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CN-224224962-U - Tank car chemical conveying pipeline structure

CN224224962UCN 224224962 UCN224224962 UCN 224224962UCN-224224962-U

Abstract

The utility model discloses a tank car chemical conveying pipeline structure, which relates to the technical field of chemical conveying pipelines and comprises a tank car unloading area, a tank car exhaust tank, a sampling box, a nitrogen conveying end, a pure water conveying end, a pipeline exhaust end, a tank car exhaust end, a liquid discharging end, a main body flowing pipeline and a storage tank, wherein by arranging the tank car interface equipment exhaust and the tank car exhaust independent exhaust pipeline, acid gas is prevented from backflushing into the equipment during tank car exhaust; the method comprises the steps of designing a communication pipe at the air end and the liquid end, designing a pneumatic switch valve on the communication pipe to detect the tightness of an interface of the interface before pressurization, designing a flow limiting ring at the joint of nitrogen and an exhaust pipe to prevent a large amount of acid gas from backflushing into equipment connected with exhaust air when the tank wagon is exhausted, designing a high-efficiency filter, designing a tank wagon interface door sensor, and automatically opening the high-efficiency filter when the tank wagon interface door is opened.

Inventors

  • TAN LINGHUA

Assignees

  • 浙江东开半导体科技有限公司

Dates

Publication Date
20260512
Application Date
20250211

Claims (9)

  1. 1. The utility model provides a tank wagon chemicals conveying pipeline structure, its characterized in that, including tank wagon uninstallation region, tank wagon exhaust tank, sampling box, nitrogen gas conveying end and pure water conveying end, pipeline exhaust end and tank wagon exhaust end, flowing exhaust end, main part flow pipeline, holding vessel, the tank wagon exhaust tank with tank wagon exhaust end direct communication, tank wagon is equipped with the tank wagon in the tank wagon uninstallation region, be equipped with first manual valve and second manual valve on the tank wagon, be equipped with in the tank wagon uninstallation region with the tank wagon gas end connecting pipe of first manual valve intercommunication, still be equipped with the tank wagon liquid end connecting pipe of second manual valve intercommunication in the tank wagon uninstallation region, the nitrogen gas conveying end is equipped with first nitrogen pipeline and second nitrogen pipeline, second nitrogen pipeline and main part flow pipeline upper end intercommunication, main part flow pipeline lower extreme with tank wagon gas end connecting pipe intercommunication, main part flow pipeline with be equipped with a switching valve between the second nitrogen pipeline, main part flow pipeline with be equipped with between the tank wagon liquid end switching valve and the tank wagon exhaust pipeline.
  2. 2. The tank car chemical conveying pipeline structure according to claim 1, wherein the tank car unloading area is a surrounding sealing area, the tank car unloading area is surrounded by side walls in an omnibearing manner, the tank car unloading area is provided with a door, and a door sensor and a high-efficiency filter are further arranged in the tank car unloading area.
  3. 3. A tank work conveying pipe structure according to claim 2, wherein said door sensor controls said high efficiency filter.
  4. 4. The tank car chemical conveying pipeline structure according to claim 1, wherein the exhaust tank pipeline is provided with a second switching valve and a flow limiting ring.
  5. 5. A tank car chemical delivery pipe structure according to claim 1, wherein the first nitrogen pipe extends into the tank car unloading zone, and a nitrogen gun is provided at the end of the first nitrogen pipe in the tank car unloading zone.
  6. 6. The tank car chemical conveying pipeline structure according to claim 1, wherein the pure water conveying end is provided with two branch pipelines, namely a first pure water pipeline and a second pure water pipeline, the first pure water pipeline extends into the tank car unloading area, and a pure water gun is arranged at the end part of the first pure water pipeline in the tank car unloading area.
  7. 7. The tank car chemical conveying pipe structure according to claim 6, wherein the second pure water pipe is communicated with the sampling box.
  8. 8. The tank car chemical conveying pipeline structure according to claim 1, wherein the storage tank is communicated with the tank car liquid end connecting pipe through a storage tank pipeline, the storage tank pipeline and the main body flow pipeline share the same pipeline at a part communicated with the tank car liquid end connecting pipe, and a fifth switch valve is arranged between the storage tank pipeline and the main body flow pipeline.
  9. 9. The tank car chemical conveying pipeline structure according to claim 8, wherein a sampling pipeline communicated with the sampling box is arranged on the storage tank pipeline, and a fourth switching valve is arranged on the sampling pipeline.

Description

Tank car chemical conveying pipeline structure Technical Field The utility model relates to the technical field of chemical conveying pipelines, in particular to a tank car chemical conveying pipeline structure. Background Chemical product factories on the market all use chemicals of various properties to produce, but the chemicals as raw and other materials need to be prepared and stored as conventional materials before using, and some liquid chemicals need to be stored in the storage tank before using, and direct calling is convenient during use, and liquid chemicals adopt the tank wagon to transport when transporting, but when the tank wagon carries the chemicals of transportation to the storage tank, current tank wagon transportation structure often accompanies the sour gas backward flow, the liquid end is connected the tightness inadequately, connect the tank wagon does not have clean environment, transmission efficiency low grade problem. Disclosure of utility model The utility model aims to solve the technical problems that the tank car chemical conveying pipeline structure solves the problems that the tank car conveying structure has acid gas backflow, a liquid end cannot detect connection tightness, a connecting tank car has no clean environment, the conveying efficiency is low and the like. Technical proposal In order to solve the problems, the technical scheme provided by the utility model is as follows: The utility model provides a tank wagon chemicals conveying pipeline structure, includes tank wagon uninstallation region, tank wagon exhaust tank, sampling box, nitrogen gas conveying end and pure water conveying end, pipeline exhaust end and tank wagon exhaust end, flowing back end, main part flow pipeline, holding vessel, the tank wagon exhaust tank with tank wagon exhaust end direct communication, tank wagon is contained in the tank wagon uninstallation region, be equipped with first manual valve and second manual valve on the tank wagon, be equipped with in the tank wagon uninstallation region with the tank wagon gas end connecting pipe of first manual valve intercommunication, still be equipped with the tank wagon liquid end connecting pipe of second manual valve intercommunication in the tank wagon uninstallation region, the nitrogen gas conveying end is equipped with first nitrogen gas pipeline and second nitrogen gas pipeline, second nitrogen gas pipeline and main part flow pipeline upper end intercommunication, main part flow pipeline lower extreme with tank wagon gas end connecting pipe intercommunication, be equipped with a switching valve between main part flow pipeline and the second nitrogen gas pipeline, be equipped with No. switch valve between the tank wagon liquid end connecting pipe, still be equipped with No. three switching valve between the tank wagon liquid end connecting pipe, the tank wagon flow pipeline has the exhaust tank wagon intercommunication. Further, the first manual valve is located on the tank car roof and the second manual valve is located on the tank car side. Further, the tank car unloading area is a surrounding type sealing area, the tank car unloading area is surrounded by the side wall in an omnibearing manner, the tank car unloading area is provided with a door, and the tank car unloading area is also internally provided with a door sensor and a high-efficiency filter. Further, the door sensor controls the high efficiency filter. Further, a second switch valve and a flow limiting ring are arranged on the exhaust tank pipeline. Further, the first nitrogen pipe extends into the tank car unloading area, and a nitrogen gun is arranged at the end of the first nitrogen pipe in the tank car unloading area. Further, the pure water conveying end is provided with two branch pipelines, namely a first pure water pipeline and a second pure water pipeline, the first pure water pipeline extends into a forklift area, and a pure water gun is arranged at the end part of the first pure water pipeline in the tank car unloading area. Further, the second pure water pipe is communicated with the sampling box. Further, the storage tank is communicated with the tank car liquid end connecting pipe through a storage tank pipeline, the storage tank pipeline and the main body flow pipeline share the same pipeline at the part communicated with the tank car liquid end connecting pipe, and a fifth switch valve is arranged between the storage pipeline and the main body flow pipeline. Further, a sampling pipeline communicated with the sampling box is arranged on the storage tank pipeline, and a fourth switching valve is arranged on the sampling pipeline. Advantageous effects Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: The technical scheme includes that independent exhaust pipelines for exhaust of tank wagon interface equipment and exhaust of the tank wagon are arranged, acid gas is prevented from backflushing into