Please provide a methanol train unloading plan
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For unloading methanol by train, 60 tank cars with a capacity of 90 cubic meters each are used; 30 tank cars are unloaded on each side. A submersible pump is employed for this unloading process. However, hydraulic transmission oil might contaminate the methanol. On the other hand, using vacuum pumps to transfer the liquid presents the problem that it is difficult to maintain an adequate vacuum level due to potential leaks in the seals. We kindly ask experienced experts to provide suggestions regarding this unloading method. If there are any users with similar experience, please share their information. Thank you!
Our company’s SP double-acting contactless vane pump can be used, eliminating the need for a submersible pump. Moreover, regarding the removal of methanol, our company has had such cases before
Combine a vacuum pump with a centrifugal pump: Step 1. First, install a vacuum pump on-site and attach a buffer tank to prevent materials from entering the vacuum pump directly； 2. Insert the robotic arm’s hose into the train tank car, turn on the vacuum pump to remove the air from inside the hose, thereby filling the hose with the material ； 3 Install a centrifugal pump 2# caozhangxu
The maximum capacity of liquid tank trucks these days is 90 cubic meters. What model are they? Are there any photos? Please share them.
We recommend electric submersible pumps! The green-label submersible pumps produced by Tianjin Jiama Machinery Factory, which are specifically designed for unloading oil from train tank cars, have now been put into production and use. The YQYB explosion-proof electric dipstick submersible pump, with its impeller submerged in the medium, does not require priming during liquid discharge compared to pumps with other designs; there is also no risk of vacuum formation at its inlet. As a result, when transporting the medium, the pump operates in a delivery mode rather than a suction mode, the medium does not vaporize, cavitation is less likely to occur, and there is no risk of air blockage in the system. 1. It operates very smoothly during use, with noise levels comparable to those of explosion-proof motors of the same power ； 2. There is no self-priming process; oil is discharged as soon as power is applied, which completely solves the problems associated with oil discharge and transfer at high temperatures, enabling oil discharge around the clock ； 3. No oil vapor is generated during unloading and transferring of oil, which reduces oil losses, eliminates safety hazards, and prevents environmental pollution as well. 4. The use has raised the installation position of the main unloading pump in the oil depot, leveling out the depot area. The layout of the oil depot is more aesthetically pleasing and easier to use. 5. A reliable bearing structure effectively enhances the reliability and service life of the bearings, eliminating them as vulnerable components; thus, no maintenance is required throughout the specified service life of the pump. 6. Easy to install. For the YQYB explosion-proof electric dipstick submersible pump, it can be installed at the oil tank manhole cover ； For the YQYB series of pumps, by making slight modifications to the existing dip pipe head (shortening the dip pipe according to the pump height) and making minor adjustments to the dip pipe spring (counterweight), the explosion-proof submersible light oil pump can be quickly and firmly installed at the dip pipe head. 7. When the pump stops automatically after oil unloading is complete, the limited amount of oil remaining at the bottom of the tank **reduces the time required for cleaning the tank using a truck
Reply to 1# crane_max: Electric submersible pump with a crane-type hose, explosion-proof for Zone 0; completely pollution-free and safe. Contact via QQ at 364753555 for further discussion