[Special Inspection of the Ministry of Emergency Response 2022] 17-Anhui provincial-level random inspections of 18 chemical companies found nearly 170 hidden dangers!

Anhui Wanwei High-tech Materials Co., Ltd. (1) Hidden hazard issues in production safety 1. General hidden hazard issues (1) The major hazard source assessment report is not stamped and the major hazard source files are incomplete. (2) The infinite height sign of the pipe gallery above the fire escape on the east side of the 1# and 2# tank groups. (3) The explosion-proof casing of some cables in the 3# tank group is damaged, and the cable casing of the second-layer regulating valve in the polymerization process is loose. (4) Verify whether there is a one-way valve before the nitrogen system enters each device. (5) The SIS system verification report and the grading report are compiled by the same unit and compiler. The third party is being contacted for rectification and has not yet been completed. (6) The control system plan has been prepared, but it has not been reviewed and released, and it has not yet been completed. 2. There are no major hidden dangers. (2) Fire safety hazards 1. General hidden dangers The automatic fire alarm system in the factory has replaced its main engine, and the coding work has not yet been completed. 2. No major hidden dangers

Anhui Tianchen Chemical Co., Ltd. (1) Hidden hazards in production safety 1. General hidden hazards (1) Video surveillance of acetylene gas tanks and VCM tank areas cannot fully cover it. It is recommended that video surveillance be installed at the water seal overflow ports of vinyl chloride and acetylene gas tanks. (2) Cable sleeves are loose in many places in the VCM tank area. (3) The on-site magnetic flap level gauge of the VCM storage tank displays incorrectly. (4) The records of detection, alarm and disposal of flammable and toxic gases are incomplete and inconsistent with the disposal procedures. (5) The control system plan is being prepared and has not yet been completed. (6) The evaluation report and assessment records of the performance evaluation report of the person responsible for guarantee are being improved but have not yet been completed. (7) A random inspection found that there were differences between the special operations promised by the company on June 20 and the actual performance. 2. No major hidden dangers (2) Fire safety hazards 1. General hidden dangers The control valve of the fixed cooling water system in the VCM tank area has been replaced, and the remote transmission control has not yet been connected. 2. No major hidden dangers

Anhui Haihua Technology Group Co., Ltd. (1) Hidden hazards in production safety 1. General hidden hazards (1) A chlorine gas detector should be added to the second-floor platform of the liquid chlorine unloading truck, and the range of the chlorine gas detector on the second floor of the chlorinated toluene workshop should be changed to 0~10ppm. (2) The backup wiring port of the lighting distribution box on the first floor of the chlorinated toluene workshop is not blocked properly, and some motor grounding wires are thin. (3) Check the change record on January 10, 2022, which involves the addition of a pressure relief pipe between the chlorine buffer tank and the chlorine vaporization pressure tank. There is no construction and installation pressure test record of this pipeline, and it should be identified whether it is a pressure pipeline. (4) The temperature and pressure low alarm values ​​DCS of the isobutylene storage tank are inconsistent with the operating procedures. The operating procedures should be revised. ； The alarm value in some DCS alarm value lists in the operating procedures is the same as the lower limit of the measurement range, which is unreasonable. (5) The temperature of the vaporization and pressurized tank used for unloading liquid chlorine trucks should be set with a high temperature alarm, and the temperature should not exceed 40°C. 2. There are no major hidden dangers. (2) Fire safety hazards 1. General hidden dangers (1) The fire ring in some installation areas has not been formed, and some circular fire lanes do not meet the specification requirements (the road width should not be less than 6 meters, and the clearance height should not be less than 5 meters). (2) The filtration and anti-freezing measures for water quality in outdoor open-air fire pools do not meet the specification requirements. (3) The fire control room in the large control room is unattended. (4) The fire control cabinet, fire power supply monitoring system and fire telephone are damaged. 2. No major hidden dangers

Anhui Jinma Rubber Additives Co., Ltd. (1) Hidden hazards in production safety 1. General hidden hazards (1) There is a chlorine gas detector in the liquid chlorine storage that does not meet the specification requirements. (2) There is no procedure for removing the SIS interlock circulating water pressure interlock ； DCS interlock should be displayed on the DCS screen. (3) There is only one 10 kV power supply, please check whether the design unit can meet the requirements. (4) There is no regular rehydration operation system for the accidental chlorine absorption liquid ferrous chloride. (5) The inspection records of the technical person in charge and the person in charge of operations of major hazardous sources are too simple, and "yes" and "no" should not be used. The inspection results should be recorded in detail. (6) The neutralization pool outside the workshop has a closed chlorine discharge analyzer and liquid chlorine equipment discharge into the neutralization pool. There should be a regular inspection system and records for the pH value of the liquid in the pool. (7) It is recommended to conduct item-by-item inspections in accordance with the "Notice on Carrying out a "Look Back" on the Implementation of Safety Risk Investigation and Rectification of Liquid Chlorine Production Enterprises" issued by the Ministry of Emergency Management on June 28, 2022. Such as gasification pressure interlocking feed valve, gasification temperature interlocking heating steam valve, regular inspection and maintenance records of chlorine cylinder lifting equipment, etc. 2. No major hidden dangers

(2) Hidden fire safety hazards 1. General hidden hazards (1) There is no water in indoor fire hydrants. (2) The fire resistance level of the fire water pump room does not meet the requirements of the specification. The fire water pump is in disrepair, has serious corrosion, and the nameplate is worn. It does not meet the relevant requirements for the electric pump as the main pump and the diesel pump as the backup pump. (3) The fire pool does not meet the specification requirements. (4) The settings of factories and warehouses do not meet the regulatory requirements. (5) There is a power failure in the regional control cabinet. 2. No major hidden dangers

Bengbu Oil Depot of Sinopec Anhui Petroleum Branch (1) Hidden hazards in production safety 1. General hidden hazards (1) No safety requirement specifications have been prepared and no SIL verification has been conducted. (2) Verify whether the emergency shut-off valve wiring backup port is blocked in compliance with the specification requirements, and the emergency shut-off valve handwheel should be listed and managed. (3) Check the shift handover record at "8:50 on June 27, 2022" and record that "the power went out at 15:54, the emergency plan was activated, and the oil and gas recovery inlet valve was closed." There is no record of opening the valve again in the subsequent shift records. (4) Improve the management of quarterly and weekly inspection records and signatures of the technical person in charge of major hazard sources and the person in charge of operations, and it is recommended that the water level of each water sealing well in the tank area be included in the inspection. 2. There are no major hidden dangers. (2) Fire safety hazards 1. General hidden dangers (1) The inspection report of fire protection facilities is not comprehensive and does not involve the content of fixed fire cooling water. (2) The anti-freezing measures for fire water storage tanks are unknown, and there is no liquid level display device on site. (3) It is recommended to carry out building fire protection maintenance by hiring a third party or a registered fire engineer or a person with corresponding fire protection professional qualifications. 2. No major hidden dangers

Anhui Jinmei Zhongneng Chemical Co., Ltd. (1) Hidden hazards in production safety 1. General hidden hazards (1) The combustible gas alarm signal is not in accordance with the current* * The relevant provisions of the standard are integrated into fire control positions. (2) The pressure high alarm (2.5MPa) and high-high interlock (2.8MPa) settings of the 1# and 2# liquid ammonia spherical tanks exceed the equipment design pressure (2.45MPa). (3) The operating procedures for low temperature and low alarm setting values ​​of 1#-4# liquid ammonia spherical tanks are inconsistent with DCS. 2. There are no major hidden dangers. (2) Fire safety hazards 1. General hidden dangers (1) The fire pump room should be equipped with rat screens and water screens. (2) The diesel pump should be equipped with an independent oil storage room and facilities to prevent oil from leaking. (3) The fire control room should be set up on the ground floor and have an exit that can lead directly to the outdoors. 2. No major hidden dangers

Fuyang Hangmo Technology New Materials (Fuyang) Co., Ltd. (1) Hidden hazard issues in production safety 1. General hidden hazard issues (1) Failure to comply with the "Notice of the Ministry of Emergency Management on the Comprehensive Implementation of the Safety Risk Research and Commitment Announcement System for Hazardous Chemical Enterprises" (Emergency [Emergency] 2018〕No. 74), a total of 4 times of hot work (Level 2), 4 times of temporary power use, 1 operation at height, and 1 operation in restricted space were carried out from June 24 to July 1, 2022, none of which were included in the safety commitment. (2) The enterprise’s Level 2 Hot Work Ticket on July 1, 2022 (No.: YT-DH2022070101) involves gas welding, and safety measures have not been confirmed. (3) Check the compliance of power supply according to Wan'an (2017) No. 2 document. (4) The control room ESD switch and on-site ESD switch are not visible in the tank farm interlocking picture. (5) Some instruments are not grounded ； Some explosion-proof sealing joint threads do not match ； The spare wiring ports of some instruments are not blocked as per regulations ； Some solenoid valve wiring explosion-proof seals are not standardized. (6) The cut-off valve handwheel should be listed and managed ； Some shut-off valves have a solenoid valve on standby and should be verified ； The position of the ESD switch in the loading and unloading area does not meet the requirements. (7) Improve the quarterly and weekly inspection records of the technical person in charge and the person in charge of the operation of the methanol formaldehyde tank area with major hazardous sources. The inspection record of the person in charge of the operation should include the process operation parameters of the tank area and the bottom of the floating plate, and the inspection record of the person in charge of the operation should be signed. (8) The gas-phase methanol unloaded from the methanol truck is returned to the gas-phase space at the top of the methanol storage tank. No design changes or risk analysis have been seen. ； The gas phase venting at the top of the methanol storage tank was changed from one pipeline to two, and there was no design change. (9) The LZV valve that closes to the liquid workshop is missing in the low-low liquid level interlock diagram of the methanol storage tank. (10) The operating procedures for the methanol-formaldehyde tank area should be improved in accordance with the relevant operating procedures preparation requirements in AQ/T 3034-2010, Emergency (2019) No. 78 "Hidden Hazard Checklist" and Work Safety Supervisor No. 3 (2013) No. 88. (11) The calibration label of the combustible gas detector next to the V6407 west feed inlet is valid until June 27, 2022. Please verify the validity period. 2. No major hidden dangers

(2) Fire safety hazards 1. General hazards (1) The emergency plan drill is a mere formality, with no photos and no effect evaluation. (2) The diesel generator of the fire pump room has a large diesel reserve, so an independent oil storage room should be set up, and dry sand should be placed in the protective embankment. (3) The fire telephone number in the fire pump room was tested, but no one answered it. (4) The liquid workshop is a three-story Category A factory building. The closed stairwell uses top-hung windows, which should be changed to bottom-hung, flat opening, or devices such as sliding braces that can fix the opening angle of 70 degrees. 2. No major hidden dangers

Anhui Haide Chemical Technology Co., Ltd. (1) Hidden hazards in production safety 1. General hidden hazards (1) Video surveillance in the spherical tank area cannot fully cover. (2) The sleeve of the remote pressure transmission cable in the horizontal tank area partially fell off. (3) There is no anti-static jumper on the instrument flange in the spherical tank area and horizontal tank area. (4) The spray water pipe valve in the spherical tank area is marked "normally open" and is closed on site. (5) The DCS display threshold of the V2104 tank in the control room is inconsistent with the process card control value. (6) There are two combustible gas detection and alarm devices in the spherical tank area showing malfunctions. (7) The person responsible for the warranty of major hazardous sources in the Phase III tank farm has changed, but the warranty sign has not been updated. (8) The GDS layout diagram of the phase III tank farm control room is not on the wall. (9) Climbing workers have arranged for 6 people to register at Ma'anshan Jinling Training School on June 7, 2022, but have not yet obtained the training certificate. (10) The columns in the Phase III tank farm are severely corroded and have no fireproof coating. ； The fireproof coating of the second phase 2 billiard tank pillar is being rectified and has not yet been completed. (11) The steam condensation valve in the inner floating roof tank area keeps flowing out water, causing water accumulation on the ground of the tank area, which should be directed to the ditch in the tank area. 2. There are no major hidden dangers. (2) Fire safety hazards 1. General hidden dangers The maintenance work of fire protection facilities is not carried out normally. 2. No major hidden dangers