Summary of the Technical Exchange Section on Boiler and Industrial Furnace Technologies (II) – Boilers and Furnace Water

This post was last edited by als2008 on 2009-12-12 at 21:16. Posts related to boilers or boiler feed pumps on the second floor: 1. Main parameters of boilers; 2. A0479/A0479M-05: Stainless steel and heat-resistant steel bars and profiles for boilers and pressure vessels; 3. What kinds of fuel can be used in oil-fired boilers? 4 Questions regarding the oil used in fuel boilers and the location of the oil tanks 5 Excessively high flue gas temperature in boilers 6 Hazards of low water temperature in boiler deaerators 7 Inquiry about the heat treatment of WB36 boiler tubes 8 [Exam Question 032] Basic questions on boilers ... 1 2 3 9 Why is it necessary to disengage the local dual-color water level gauge when a boiler undergoes a superpressure hydrostatic test? 10. When the operating pressure of the boiler is above 3.8 Mpa, what multiple of this operating pressure should the operating pressure of the safety valve be? 11. When coking occurs in the boiler and positive pressure appears in the furnace, why does the water level drop? 12 What are the testing standards for coal used in chain-type boilers, as specified in GB/T18342-2009? 13 What cooling methods should be employed after coking occurs in circulating fluidized bed boilers? 14 What type of steam trap expansion vessel should be used for high-pressure boilers operating at 9.8 MPa? 15 What is the desulfurization efficiency of circulating fluidized bed boilers? 16 What are the issues related to fluctuations in the rotation speed of hydraulic couplings in boilers? 17 How is the steam generation rate per unit of standard coal calculated for circulating fluidized bed boilers? 18 What are the recommendations for the operation of boiler intake and exhaust air? 19 Application of data from cold-test of circulating fluidized bed boilers? 20 Metallography of Boiler 16Mng 21 Operating procedures for the safe operation of boilers 22 Recovery and utilization of waste steam from continuous exhaust vaporization in boilers 23 Representation methods for double-pressure waste heat boilers 24 [Question 031] Basic questions on boilers ... 1 2 25 Measuring the liquid level in waste heat boilers. . 26. Xiaoshuo signed a contract with Harbin Boiler Factory today; I’d like to know about the current situation of that company... 1 2 27. Can direct-fired engines replace boilers? 28. Modifications to boiler fuel nozzles. 29. Can heat transfer oil boilers be designed to operate at atmospheric pressure? 30. Tasks involved in the maintenance of coal powder boilers. 31. Problems with dry quenching boilers. 32. ASME training materials: ASME Boiler and Pressure Vessel Code. 33. Information regarding boiler gaskets. 34. When adjusting the pH of boiler feed water, is ammonia or sodium hydroxide better? 35. Setting the relief valve pressure for 75t/h circulating fluidized bed boilers. 36. Problems related to steam production in boilers. 37. Comparison of the advantages and disadvantages of chain grate boilers and circulating fluidized bed boilers. 38. Issues related to boiler installation contracts. 39. Problems with boiler lifting rods. 40. Which manufacturers produce waste heat boilers used in the 500,000-ton ammonia synthesis process? 41. What are the causes of vibration in the drum of catalytic waste heat boilers? 42 【Question 030】Basic questions on boilers ... 1 2 3 43 Internal leakage in the tubes of waste heat boilers 44 The impact of tar produced by combustion on boilers 45 Data sheets for waste heat boilers 46 Physical and chemical testing of boilers and containers 47 Shutdown maintenance of boilers? 48 【Question 029】Basic questions on boilers ... 1 2 3 4 5 49 Why do 75t/h circulating fluidized bed boilers use two cyclones? 50 The air volume required for gas-fired boilers. 51 Does poor gas-liquid separation in the boiler drum affect the quality of our steam? 52 The drain temperature in convective tube bundle boilers. 53 Can equipment used for sulfuric acid production by the sulfur process be modified to use circulating fluidized bed boilers? 54 Control and management of welding quality in boilers and pressure vessels. 55 Boilers using coke oven gas. 56 What are the regulations regarding the CL- content in boiler feedwater? 57 Manufacturers of waste heat boilers used in the production of synthetic ammonia via natural gas steam reforming. 58 Please provide the “Standard Methods for Thermal Calculation of Boiler Units”, version 98. 59 Those whose companies have hydrogen boiler systems, please come here. 60 Issues related to steam head loss in high-pressure boilers and steam turbine generators. 61 Blockage in boiler economizers. 62 Regular drainage from boilers and cleaning of level gauges. 63 Methods for treating water used in boiler systems to remove hardness. 64 Dear specialists, how is this kind of coking issue typically handled in boilers? 65 Issues related to the cleaning of boiler flues 66 What are the different methods of dust removal from boilers? 67 What measures do power plants take to maintain the proper temperature of boiler feedwater? 68 Lectures on Safety Technologies (Boilers, Pressure Vessels) 69 Technical Documents for the Tendering of Installation of 2×240Th Circulating Fluidized Bed Boilers and 25Mw Steam Turbine Generators 70 False liquid level in waste heat boilers 71 Measures for the Supervision and Management of Boilers and Pressure Vessels at Inlets and Outlets.doc 72 Can the use of high-pressure heaters improve boiler efficiency? 73 What is the purpose of opening the exhaust valve to the atmosphere and the superheater drain valve during boiler startup? Why is the bed temperature of the return feeder in a 74 75t/h circulating fluidized bed boiler higher than that of the furnace bed? What are the dangers of burning like this? 75 How to fix flames coming from the boiler smoke pipes? 76 Flow meter for 6-ton hot water boilers 77 Can heating be achieved using only a heat pump without a boiler? 78 Is the boiler pressure parameter gauge pressure or absolute pressure? 79 Who can provide a boiler firing plan? 80 I would like to ask you about circulating fluidized bed boilers. 81 What is the method for dealing with water shortage in boilers? 82 Is there a large difference in air volume for the boilers? After frequency conversion of the 83,300 MW boiler induced draft fan motor, the temperature of the motor bearings increased abnormally, and the motor experienced frequent abnormal surging phenomena. 84 The role of sodium phosphate in deoxygenated water for medium-pressure boilers 85 Boiler corrosion prevention 86 Feeding methods for boilers burning biomass and coal 87 What systems are included in the mechanical design of high-temperature and high-pressure boilers equipped with condensing steam turbine generators? 88 Types of steam boilers and their detailed design specifications 89 CAD layout diagram of a 75t/h circulating fluidized bed boiler 90 Acceptance criteria for the flatness of the heating surfaces in a 75t/h circulating fluidized bed boiler 91 [Question 028] Basic questions about boilers... 1 2 3 4 5 92 Please help identify the causes of blockages in boiler return conveyors 93 Boiler chemical dosing system 94 Under what circumstances is it necessary to closely monitor changes in steam temperature and pressure in a boiler? 95 Is there a distinction between the boiler specialization and the heating furnace specialization in the stoker examination? 96 【Question 023】Basic boiler questions ... 1 2 3 4 5 97 CFD simulation calculations for biomass boilers 98 Which type of dust collector is more suitable for coal-fired boilers at present? 99 【Question 027】Basic boiler questions ... 1 2 3 4 100 How to determine the pressure and temperature behind the dual valves in a boiler’s emergency drain pipe? 101 What are the differences between the superheaters in waste heat boilers and those in ordinary coal-fired boilers? 102 How to determine the flow rate of exhaust pipes and exhaust silencers on boiler drums and superheaters. 103 Can a vacuum deaerator be used to treat the make-up water in waste heat boilers? 104 The feasibility of converting coal-fired boilers into gas-fired boilers. 105 [Question 024] Basic boiler questions... 1 2 3 4 106 What do those working with boilers and pressure vessels think about their salaries, and what level is considered appropriate? 107 Thermal expansion of insulated cyclone separators in CFB boilers. 108 Parameters of various auxiliary equipment in 300MW double-extraction unit boilers. 109 Measurement of the differential pressure in the boiler furnace. 110 Measurement of the differential pressure in the boiler furnace. 111 [Question 026] Basic boiler questions... 1 2 3 4 5 112 The functions of primary fans and secondary fans in coal-fired boiler systems. 113 Commissioning of the thermal control system for a 260t circulating fluidized bed boiler. 114 Automatic regulation of boiler feedwater. 115 Connection diagram between high-pressure boilers and VHE704. 116 Boiler design documents. 117 Where can I rent mobile boilers? 118 How can one get approval from the safety supervision agency and the fire department when building a gas-fired boiler? 119 What causes mud to accumulate on the inner wall of the boiler chimney? 120 Operating Procedures for Sulfuric Acid Boilers 121 Can boiler rooms and storage tanks be considered as a combined unit? 122 Cleaning solutions for power station boilers 123 Exploring energy-saving measures for industrial boilers 124 [Question 025] Basic questions on boilers ... 1 2 3 125 Circulating fluidized bed primary and secondary boiler systems!!!! 126 A harsh noise is produced when opening the boiler feedwater valve 127 Issues related to hydrostatic testing of the boiler system in hydrogen production units 128 Flue gas desulfurization in coking plant waste heat boilers 129 Regarding the categories of boilers! ! 130 May I ask whether the steam generated by a 16KW electric heating boiler (at 1 kilogram of pressure) can drive a generator? 131 How can a steam boiler be descaled online? 132 What is the expansion phenomenon that occurs during the startup of a DC boiler? 133 What should be done when reignition takes place in the boiler’s rear flue? 134: Which parts of the tubular air preheater in coal-fired boilers are most prone to wear? 135: Classification of boilers. 136: When a boiler stops burning suddenly during normal operation, from which aspects do operators determine that the burning has stopped? 137 Application of composite acid cleaning processes in supercritical once-through boilers 138 Preliminary discussion on the forms, mechanisms of wear, and preventive measures for CFB boilers 139 Influence of circulating ash volume and return air pressure on boiler combustion 140 Research on wear prevention measures for circulating fluidized bed boilers 141 Questions and answers for boiler and pressure vessel welder examinations 142 Equipment and operation of circulating fluidized bed boilers 143 Does anyone know about emergency response drills for boilers related to waste management? 144 High flue gas temperature in heavy oil boilers 145 Boiler make-up water 146 Which is more advantageous, vacuum boilers or atmospheric pressure boilers, for heating purposes? 147 Why does scaling in boilers mainly occur on the fire-facing side of the water wall? 148 Boiler feed pump 149 What is the acceptable conductivity level of boiler feed water after reverse osmosis treatment? 150 The exhaust temperature of the steam boiler is high, and the air excess coefficient does not meet the requirements. 151 Is it common to use a low-level gauge to measure the water level in the drum during the start-up and shutdown of the boiler? 152 Boiler-related technical terms 153 In coal-fired boilers, are environmental protection and energy conservation consistent with each other? 154 Temperature of the heat exchange tubes in waste heat boilers 155 What tasks should the deputy production manager of a boiler company carry out? 156 How can a new type of environmentally friendly and energy-saving boiler equipped with a clean combustion device for coal-fired boilers prevent smoke and dust from escaping from the burner when coal is added? 157 Hydrogen fluoride and waste heat boilers 158 What are the characteristics of the new type of environmentally friendly and energy-saving boiler that uses clean combustion devices in coal-fired boilers? 159 Why is it necessary to develop devices for clean combustion in coal-fired boilers? 160 What are the symptoms of damaged boiler superheater tubes and how to deal with them? 161 Installation construction plan for boilers and auxiliary equipment 162 For the design of the desulfurization tower behind the exhaust fan, please contact me; the contractor must have experience with 130t/h CFB boilers. 163 [Question 022] Boiler foundation-related questions... 1 2 3 4 164 What is the acceptable hardness level of the water quality used as feedwater for power plant boilers? 165 Design specifications for steam boilers 166 Boiler renovation – a green approach to achieving energy savings and emission reduction 167 Issues related to regular drainage from boilers 168 Regulations and standards concerning special equipment such as boilers and pressure vessels! ! ! 169 What are the most common accidents that can occur during boiler operation? 170 Supply of dust collectors for ceramic factories in Dongguan, desulfurization and dust removal equipment for hardware factories, and boiler dust removal equipment. 171 Seeking diagrams and process plans for oil ignition piping systems for 75 tons/hour sulfurized bed boilers. 172 Discussion on modifying CFB boilers to use low-calorific-value fuels. 173 Is there any use for liquefied gas in circulating fluidized bed boilers? 174 Electrical construction drawings for 20-ton hot water boilers 175 Adding alkali during the boiling process of waste heat boilers 176 Startup plan for the new 75T coal-fired boiler? 177 Among all the heat losses of boilers, which one is the greatest? 178 Boiler Emergency Plan: Urgent! Urgent! 179 Control of water softening in boilers 180 For hot water boilers used for heating, what types of scale removers and scale preventatives are available? 181 Treatment of boiler slag 182 How to treat flue gas containing CO in catalytic waste heat boilers? 183 Problems associated with converting fuel boilers into gas boilers 184 When the air supply to the boiler increases, the amount of flue gas also increases; the flow velocity of the flue gas rises and its temperature goes up. How does the heat absorbed by the superheater change? 185 There is an urgent need for Professor De Dufu’s book on boilers. 186 How can quality be ensured when building boiler chimneys? 187 I’m not sure whether SolidWorks or ANSYS is a better software for boiler design analysis. 188 Consultation on non-pressure boilers (atmospheric pressure boilers). 189 [Question 021] Basic questions about boilers... 1 2 3 190 Regarding the materials used for waste heat boilers and drum boilers. 191 How should the lugs of horizontal boilers be designed? 192 There is Xi’an Jiaotong University; those who have Professor Che Defu’s book on boilers can reply in the reward section. 193 How to stop the steam turbine (which drives the boiler feed pump). 194 Waste gas, waste water, and waste solid treatment boilers. 195 Fine screens used for coal processing in circulating fluidized bed (CFB) boilers. 196 Common problems and operational solutions for 300MW CFB boilers. 197 The impact of changes in the particle size distribution of coal on the combustibility of boiler fly ash. 198 A brief discussion on the installation of boiler fans. 199 Professional supply of boiler and container plates made from various materials in Wugang. 200 What type of steel is used for the steel pipes in various parts of steam boilers? 201 Are there any circulating fluidized bed boilers that can burn straw along with waste? 202 I’m seeking help from experts: who can upload the technical specifications for boilers that use gas as a fuel? 203 [Question 020] Basic questions about boilers... 1 2 3 204 Why is it necessary to reduce the air supply to the boiler when starting up the coal grinding system, and why does it need to be increased when shutting down the system? 205 What is the impact of the conventional properties of coal on the operation of boilers? 206 Suggestions for operational adjustments to ensure combustion stability in circulating fluidized bed boilers 207 Analysis of the bed temperature control system and parameter optimization for 450t/h circulating fluidized bed boilers 208 Operational experience with using Shenhua coal in 440T/H CFB circulating fluidized bed boilers 209 Horizontal internal combustion fully automatic gas steam boilers 211 What is the function of the boiler feed water pump and mechanical seal water? What should the temperature be set at? What are the hazards of being too high? 212 Calculations regarding coal savings in boilers 213 Design codes for boiler rooms: GB50041－92 214 Request: Forms for the acceptance of steam boilers 215 Calorific value of biomass fuels used in circulating fluidized bed boilers 216 Working principle of boiler deaerators 217 If the operating pressure of a boiler is 0.8 Mpa, how should the setting pressures for the two safety valves be determined? How to conduct emission tests? 218 The influence of bed material particle size on the startup of circulating fluidized bed boilers 219 Construction and commissioning of a 135MW circulating fluidized bed boiler 220 Analysis and handling of the bed-turnover accident in a 300MW circulating fluidized bed boiler 221 Experience in operating 2×440t/h circulating fluidized bed boilers 222 Exploration of methods for predicting boiler failures 223 After the boiler or steam turbine generator trips. . . 224 Price of ash recovery for power station boilers 225 Fuel and gas boilers 226 Drawings for 15-ton boilers 227 What media is used for boiler pickling? 228 Question Bank for Obtaining Certificates as Welders for Boilers, Pressure Vessels, and Pressure Pipelines * 229 [Question 019] Basic Questions on Boilers ... 1 2 3 230 A Brief Discussion on the Automatic Thermal Combustion Control in Industrial Steam Boilers 231 Boilers 232 Questions Regarding Boilers 233 What are the symptoms of blockage in the fine powder separator of coal-fired boilers, and what are the solutions? 234 How to handle a boiler fire? 235 Causes of boiler deflagration and preventive measures? 236 Why is the water level in the drum based on the local gauge and the electric contact level gauge during the initial startup of the boiler? 237 Does an increase in the boiler’s circulation water volume lead to a decrease or an increase in the return water temperature? 238 Why does corrosion occur inside the boiler chimney? 239 Questions regarding the selection of boiler feed water pumps 240 Issues related to boiler slag removers 241 [Question 018] Basic questions on boilers ... 1 2 3 4 5 242 Problems with multi-stage pumps in boilers 243 Are there safety discharge devices on vacuum boilers? 244 Plans and effects of alkali boiling for boilers 245 Boiler flowchart 246 What issues should be considered when connecting boilers together? 247 What is the sequence for calibrating the safety door of a boiler? 248 What regular tasks need to be carried out during the startup of a boiler? 249 Circulating fluidized bed boilers 250 What can be used to measure the negative pressure in the boiler furnace, the oxygen content in the flue gases, and the pressure in the steam drum? 251 Structure of vertical tube waste heat boilers 252 What are the causes of boiler scaling? 253 Principle of 300MW circulating fluidized bed boilers 254 Factors affecting the bed temperature of boilers 255 What is everyone’s opinion on the future of the boiler industry? 256 Basic knowledge on boiler softening, descaling, and scale prevention 257 Why is passivation necessary after boiler pickling? 258 Questions regarding boiler specifications 259 How to improve the net efficiency of a boiler? 260 Discussion on the limestone desulfurization process in circulating fluidized bed boilers 261 Feasibility study report on water-coal slurry boilers 262 On oil-saving technologies for large-scale thermal power plant boilers 263 Issues related to boiler coking in power plants 264 Analysis of the causes of burner damage and erosion in boilers and corresponding solutions 265 How false liquid levels occur in boilers 266 Problems associated with boiler anodes 267 What impact does the volatile content of coal have on boiler combustion? 268 Technical specifications for waste incineration boilers 269 Parameters of boiler feed water 270 What is the purpose of silica removal from boilers? 271 Location of air intake for waste heat boilers 272 [Question 017] Basic questions on boilers ... 1 2 3 273 How to determine boiler dust removal techniques? 274 What are the conditions for paralleling boilers? 275 Discussion on the long-term operation of circulating fluidized bed boilers 276 Structure of gas generation waste heat boilers 277 Issues related to the combustion technology of low-volatility coal and W-type flame boilers 278 Discussion on metal corrosion in horizontal quick-installation boilers 279 Analysis of positive-pressure combustion in boilers 280 ASME Boiler and Pressure Vessel Code II – Materials (2007 edition) 281 Calculation of boiler thermal efficiency 282 Feasibility analysis of comprehensive desulfurization processes for CFB boilers 283 Discussion on the development prospects of small and medium-sized gas boilers 284 Issues to be considered in the treatment of water used as make-up water in power plant boilers 285 Modification of the ignition system in circulating fluidized bed boilers 286 Problems related to oxygen content in direct-fire boilers? 287 Some pictures of the boiler in the darkness 288 What is the behavior when the boiler’s MFT mechanism activates? Which devices are activated as a result of this mechanism? 289 What is the purpose of warming up the boiler, and what are the methods for doing so? 290 Basic knowledge of boilers 291 Is it necessary to install an explosion-proof door on the chimney of fuel and gas boilers? 292 [Question 016] Basic questions about boilers... 1 2 3 293 General technical requirements for atmospheric pressure hot water boilers according to JB/T7985 294 When enhancing the combustion in a boiler, should the air supply be increased first or the fuel supply? 295 Steam pipeline systems for medium-temperature and medium-pressure boilers 296 What are the heat losses in boilers? 297 What are the discharge criteria for the water in the boiler drum? 298 Are there any real photos of waste heat boilers? 299 Is it still required to install a water injector when installing steam boilers nowadays? 300 Control of water level during boiler drying-out. 301 Urgent help: Determining the tonnage of a boiler. 302 [Question 015] Basic questions about boilers... 1 2 3 4 303 Boiler explosion relief valves. 304 Are there any standards for flue gas emissions from fuel and gas boilers? 305 In waste-to-energy plants, does one boiler correspond to one chimney, or can multiple boilers share one chimney? 306 How is the fuel system in waste-to-energy plants routed to the boilers? 307 What are the main reasons for thermal imbalances in a boiler’s heating surfaces? 308 Questions regarding new boilers. 309 Request for advice: Boiler heat balance testing. 310 Who has the regulations TSG ZC0001-2008 on the use of steel plates (strips) for manufacturing boilers and pressure vessels? 311 To which journals should papers on energy savings and emission reduction in waste-to-energy boilers be submitted? 312 [Question 013] Basic questions about boilers... 1 2 3 313 Request for information on the control method of the boiler feed pump recirculation valve. 314 Are the thermal calculations for waste-to-energy boilers and those for coal-fired boilers based on the same standards? 315 [Question 014] Basic questions about boilers... 1 2 3 4 316 [Question 012] Basic questions about boilers... 1 2 3 4 317 Issues related to the proportion of non-destructive testing for boilers. 318 [Question 006] Basic questions about boilers... 1 2 319 What is the typical efficiency of modern boilers? 320 Safety valves for low-pressure boilers. 321 What systems need to be designed for the boiler in thermal power plant design? 322 What are the main aspects of internal and external inspections of boilers? 323 【Question 005】Basic boiler questions ... 1 2 324 【Question 011】Basic boiler questions ... 1 2 3 325 Issues related to boiler PID parameters 326 What is the pressure range for the boiler’s burners? 327 How to clean blocked fire tubes in a boiler? 328 Application of waste heat boilers in smelting furnaces 329 Professional installation plan for boilers 330 Seeking help regarding problems with high-pressure boiler pipes 331 [Question 010] Basic questions on boilers ... 1 2 3 332 Reasons for positive pressure in boiler flues 333 Chinese-English glossary of boiler terms 334 What is the boiler maintenance procedure? 335 Biomass power generation boiler technology 336 How to address the problem of salt and scale formation inside and outside the pipes when using continuous boiler discharge 337 Why can’t the boiler’s water intake volume be matched with the steam production volume? 338 In the various main heating surfaces of a boiler, how does heat transfer take place from the flue gases to the working fluid? 339 In which locations must emergency lighting be installed in a boiler room? 340 Load control rates for fluidized bed boilers and coal powder boilers 341 How do waste heat boilers remove iron ions? 342 Analysis of the reasons for slag formation in waste heat boilers 343 Seeking the \"Technical Guidelines for Wet Flue Gas Desulfurization in Small Industrial Boilers/Furnaces\" and the \"Specifications for the Management and Acceptance of Desulfurization Facilities\" 344 Corrosion prevention in hot water boiler heating systems? 345 What are the economic indicators related to thermal efficiency during boiler operation? How are these economic indicators calculated? 346 I’m looking for the book “Boiler Operation Operator”. 347 How to choose a hot water boiler? 348 What are the effects when a boiler operates under conditions other than those designed for? 349 What impacts does a change in boiler load have on the fuel consumption, radiant heat transfer within the boiler, and convective heat transfer? High-temperature corrosion of 350 boiler? 351 I’m looking for the book “Practical Handbook of Industrial Boilers”. 352 What are the parameters of a boiler during its firing-up process? 353 What are the hazards of not boiling a boiler before use? 354 Operating procedures for boiler flushing 355 What are the key items to check after the boiler flushing is completed? 356 Cogeneration using boilers 357 Inquiry regarding the combustion index of heavy oil boilers 358 How to calculate the slag discharge rate of boilers? 359 Boiling of waste heat boilers 360 [Question 009] Basic questions on boilers 361 How can scaling in the first waste heat boiler be effectively addressed? 362 What are the requirements regarding the embedded pipes for thermal systems in boiler foundations? 363 Questions regarding the startup of boiler feed pumps? 364 What safety issues should be considered in boiler production? 365 The hazards of boiler tube failures to the system 366 How can small boilers achieve efficient and low-cost desulfurization? 367 Determine the manufacturing processes for the main pressure-bearing components of water-tube boilers. 368 [Question 008] Basic questions on boilers... 1 2 369 Issues related to the monitoring of the water level in boiler drums. 370 Locate the book titled “Small Fuel and Gas Boilers”. 371 Can the steam produced after vacuuming with a steam jet pump be condensed and reused in the boiler? 372 Under what conditions can false water levels occur during boiler operation? 373 Photos of waste heat boilers on site 374 2007 ASME Boiler and Pressure Vessel Code (English version) for sharing 375 2007 ASME Boiler and Pressure Vessel Code (English version) for sharing 376 Startup procedures and precautions for boiler steam-driven feed pumps! 377 Why is it not advisable to open or close the desuperheating water valves widely during the operation of a boiler, and why should those valves not be closed completely? 378 Can 70t/h and 130t/h circulating fluidized bed boilers burn coal gangue? What’s the price? 379 Characteristics of steam boilers 380 Survey on the use of boiler expansion indicators 381 Number of I/O points in the BMS control system for HRSG boilers 382 Diagram of the boiler main steam system (animation) 383 What equipment is available in an industrial boiler room? 384 How much hydrogen is consumed per cubic meter of steam generated when a hydrogen boiler is operating normally? 385 Ingredients required for starting up a hydrogen boiler for the initial heating process. 386 Conversion between the evaporation capacity and thermal power (MW) of steam boilers. 387 Practical manual on energy-saving diagnosis, maintenance, and information management in modern urban heating system design, as well as guidelines for boiler selection and bidding. 388 GB50273-2009 Code for construction and acceptance of boiler installation projects (draft for comments; revision of GB50273-1998). 389 Request for a book titled “Principles and Design of New-Type Shell Boilers”. 390 Interlock control scheme for 75t/h circulating fluidized bed boilers. 391 Is it necessary to install compensators at the inlet and outlet of fans in power plant boiler systems? 392 Issues related to the joining of boiler downcomers. 393 [Question 007] Basic questions about boilers... 1 2 394 Seeking advice from chemical engineering experts regarding the conversion relationships between boiler steam output, power generation, and fuel consumption. 395 Flue gas desulfurization in boilers. 396 How to calculate the water supply volume and head of a boiler feed pump. 397 Catalytic waste heat boilers. 398 [Book] Practical energy-saving techniques for coal-fired industrial boilers. 399 Boiler operation and accident handling by Xin Hongxiang, 2004. 400 How to address the issues related to expansion tanks when the height of the boiler room frame is insufficient. 401 Boiler economizers (basic knowledge explanation). 402 Which pipes in a boiler are involved in radiation heat transfer and which are involved in convection heat transfer? 403 What is the boiler steel consumption rate? What factors are related to it? 404 Latest emission standards for SO2 in boiler flue gases 405 What are the procedures for registering the use of boilers? 406 Development of fire-tube boilers 407 Discussion on steam-driven feedwater pumps for boilers 408 Basic knowledge regarding boiler usage 409 Latest emission standards for SO2 in boiler exhaust gases 410 How are the amounts of waste residues and dust generated by coal-water slurry boilers typically determined? 411 How to calculate the resistance in the boiler economizer and water supply pipes? 412 What type of boiler is suitable for using biomass solid fuels for heating or power generation? 413: Request for information on the principle and structure of the boiler’s four-tube leakage detection device. 414: What is the full name of B-MCR (Boiler Maximum Continuous Output condition)? 415: Feasibility study for boiler flue gas desulfurization. 416: What are the precautions to be taken when using a gas generation jacketed boiler after it runs out of water? 417 【Exam Question 004】Basic questions on boilers ... 1 2 418 Boiler air preheaters (basic knowledge explanation) 419 Energy-saving measures and upgrades for boilers 420 【Exam Question 003】Basic questions on boilers 421 Feasibility study on boiler flue gas desulfurization 422 Gas production in front of the furnace for use as boiler fuel 423 Regarding openings in boiler feed pipes 424 Methods for boiler flue gas desulfurization 425 Physicochemical inspectors for boilers 426 Honeywell Automation Control Systems Group—tank heating combustion systems, boiler energy-saving upgrade systems 427 【Exam Question 002】Basic questions on boilers ... 1 2 428 What structural components are common to both water-tube boilers and fire-tube boilers? 429 What are the differences between boilers in waste-to-energy plants that burn waste alone and those that burn both waste and coal? 430 Ageing and impact effects on boiler materials. 431 What causes water to leak from the expansion tank in the piping system of a atmospheric-pressure boiler room when the circulation pump starts? 432 What is the main mode of heat transfer for the bent tubes in the external flue box of a vertical bent-tube boiler? 433 Prove the effectiveness of liquid boiler desulfurizing agents? 434 Which manufacturer produces boilers that are of better quality? 435 Principles for selecting fuel and gas boilers 436 Energy consumption indicators for boiler systems 437 [Question 001] Basic questions about boilers ... 1 2 438 Issues related to the use of small boilers for starting up projects in the northwestern coal chemical industry 439 Recombustion in the boiler’s exhaust flue 440 What is the approximate price of thermal deaerators suitable for 15-ton boilers? 441 Boiler full of water 442 Discussion on repair issues of heat pipe boilers 443 Does anyone know the operating characteristics of pure flue gas waste heat boilers? 444 Gas boilers 445 On the installation of boiler fans 446 Chemical dosing systems for waste heat boilers 447 500 questions on boiler operation, by Zhou Yishu, 1983 448 Boilers that burn wood chips 449 Black smoke emitted due to incomplete combustion in boilers 450 Economic analysis of the operation of circulating fluidized bed boilers 451 Who can explain the process of analyzing dissolved oxygen in boiler feedwater? 452 Inquiry regarding the flue gas dew point of 300MW boilers 453 What is a corner tube boiler? 454 What are the different combustion methods used in boilers? 455 Analysis method for the moisture content in mortar samples after boiler drying 456 Can boiler operators retire early? 457 Why is segmented air supply required during combustion in chain grate and reciprocating grate boilers? How is the air volume distributed among various sections? 458 [Books] Safety of Boilers and Pressure Vessels 459 Can the latent heat of water vapor in the flue of coal-fired boilers be utilized? Why is the 460 boiler emitting ash? 461 I am a boiler operator. 462 What are the requirements for automated control in gas boilers? 463 Differences between circulating fluidized bed boilers and pulverized coal boilers 464 Introduction to boiler combustion equipment 465 Issues related to boilers 466 A problem with a boiler downcomer 467 How to select the burner type for each boiler model 468 Boiler desulfurization 469 Corrosion failure of boiler pressure vessels and protection techniques 470 Analysis of the effects of boiler modifications 471 Boiler safety techniques 472 Is X-ray inspection required for the installation of steam boiler pipes? 473 Problems with boiler feed water 474 Can galvanized steel pipes be used instead of ordinary welded steel pipes in the installation of atmospheric pressure hot water boiler pipelines? 475 Simulation of circulating fluidized bed boilers 476 Issues with the operation of two boilers? 477 Screw slag extractor for 4t boilers. 478 Heat recovery from flue gas in catalytic units (waste heat boilers); what are the negative effects of soot blowing in these boilers on the units? 479 What are the factors that affect the quality of steam produced by boilers? What countermeasures should be taken? 480 Comparison of biomass gasification power generation systems with direct combustion boiler power generation and diesel power generation 481 Procedure for restarting heat transfer oil boilers 482 Bolloré industrial boiler design calculation software 483 External beds and high-temperature superheaters in boilers December 12, 2009, Alaysha

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