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Connected two-way pressure stabilizing water seal device and operation method

A technology of water sealing device and bidirectional voltage stabilization, applied in the directions of packaging, transportation and packaging, large containers, etc., can solve problems such as increased electrical loss, explosion accidents, waste of water resources, etc., to avoid liquid loss and prevent fire hazards. , the effect of saving water resources

Active Publication Date: 2019-11-15
一重集团大连工程建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a sealing plate in the middle of the water-sealed tank body, which divides the tank body into upper and lower chambers. When the pressure fluctuates, the water in the upper chamber flows into the lower chamber and overflows to the water outlet through the lower chamber. Timely and frequent replenishment of fresh water, wasting water resources
When the pressure breaks and the fresh water is not replenished in time, the flammable gas in the tank will come into contact with the air, causing an explosion accident
[0004] CN201404750Y discloses a method in which two water-sealed tanks are connected in parallel to a storage tank that needs to be stabilized, which solves the defect in CN2730762Y that a single water-sealed tank is prone to failure, resulting in device shutdown or safety accidents
However, this method increases equipment investment, and does not fundamentally change the shortcoming that this kind of water-sealed tank is prone to failure
[0005] CN204485595U discloses a kind of water-seal tank bottom blowdown valve and the method that the overflow outlet is connected with the water pump for recycling, which solves the problem of waste of water resources
However, the operation of the pump intensifies the frequency of pressure fluctuations in the storage tank, increases power loss, and increases costs

Method used

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  • Connected two-way pressure stabilizing water seal device and operation method

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:

[0024] The connected two-way pressure stabilizing water seal device includes a built-in liquid storage chamber partition 12 and a transition chamber partition 13 to divide it into a left liquid storage chamber 8, a transition chamber 10 and a right liquid storage chamber 9, A liquid level gauge port L4 is provided on the outer upper part of the left liquid storage chamber 8, a liquid level gauge port L3 is provided on the outer lower part, an atmospheric vent 1 is provided on the upper part of the left liquid storage chamber 8, and the transition chamber 10 The upper part is provided with a gas inlet 2, the upper part of the right liquid storage chamber 9 is provided with a liquid inlet 3, and the upper part of the right liquid storage chamber 9 is provided with a liquid level gauge port L2 at the same height as the liquid level gauge port L4, and the rig...

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Abstract

The invention relates to a communicating-type bidirectional pressure-stabilization water seal device and an operation method. The water seal device is divided into a left liquid storage cavity, a transition cavity and a right liquid storage cavity by a liquid storage cavity partition plate and a transition cavity partition plate which are internally arranged, wherein an atmospheric flow opening isformed in the upper part of the left liquid storage cavity, a liquid inlet is formed in the upper part of the right liquid storage cavity, and a liquid outlet and a drain outlet are formed in the middle lower part of the right liquid storage cavity; when the pressure of the right liquid storage cavity is increased, the water in the cavity can be automatically stored in the left liquid storage cavity, and a constant positive pressure is maintained; and when the pressure of the right liquid storage cavity is reduced, the water in the left liquid storage cavity can be automatically stored in theright side liquid storage cavity, and a certain negative pressure is maintained. The problem that the safety is poor due to the fact that the gas pressure in a closed system is changed in two directions is solved; and the defect that due to failure of a conventional overflow type water seal device caused by frequent pressure fluctuation, device production halt or safety accidents are caused is overcome. The communicating-type bidirectional pressure-stabilization water seal device has the characteristics of being simple in structure, safe and stable, low in cost, convenient to operate and capable of saving water resources.

Description

Technical field: [0001] The invention relates to a water-sealed bidirectional voltage stabilizing device and a working method, in particular to a water-sealed bidirectional stabilizing device and working method for sulfur-containing sewage in petroleum refining. Background technique: [0002] In the petrochemical industry, a large amount of sulfur-containing sewage produced by units such as hydrocracking and delayed coking needs to be settled in an atmospheric acidic water tank before entering the sour water stripping unit for advanced treatment. If the storage tank is sealed If it is not good, it will cause toxic volatile gas to be discharged into the atmosphere, causing serious air pollution and personnel poisoning, and even the mixture of light hydrocarbon components and combustible gas with air can cause explosion accidents. In order to avoid the phenomenon of toxic and harmful gas emission or the tank being pumped out due to factors such as temperature difference, inlet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D90/22
CPCB65D90/22
Inventor 刘万祝褚宏达董方亮梁新文
Owner 一重集团大连工程建设有限公司
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