CN213018919U

CN213018919U - Coal gas pressure guiding device

Info

Publication number: CN213018919U
Application number: CN202021067732.XU
Authority: CN
Inventors: 王建平
Original assignee: Shanxi Jianlong Industrial Co Ltd
Current assignee: Shanxi Jianlong Industrial Co Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-04-20
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a coal gas draws pressure device, including jar type air chamber, other fixedly connected with connecting pipe is equallyd divide to the both sides outer wall of jar type air chamber, the last fixed surface of jar type air chamber is connected with and is reversed swept the takeover, two of the front side outer wall fixedly connected with of jar type air chamber draw the pipe, two draw the same coal gas main line of the equal fixedly connected with in bottom of pipe, the lower fixed surface of jar type air chamber is connected with the flowing back takeover, the lower surface of coal gas main line is equipped with the bottom plate, the bottom plate all is equipped with same clamp with coal gas main line outer wall, the front side outer wall of clamp is equipped with adjusting bolt. The utility model relates to a simply, convenient operation can make things convenient for flowing back and blowdown to jar type air chamber space increase can reduce the blowdown, move back liquid cycle etc..

Description

Coal gas pressure guiding device

Technical Field

The utility model relates to the technical field, especially, relate to a coal gas draws pressure equipment and puts.

Background

At present, most of iron and steel enterprises, coal chemical enterprises and the like use blast furnace gas, converter gas and coke oven gas, and a plurality of detections such as pressure detection, partial flow detection (direct pressure measurement), online analysis and the like of a gas system exist, and equipment process data acquisition, control and equipment process operation state judgment are required to be carried out online, the pressure detection, the partial flow detection (direct pressure measurement), the online analysis and the like of the gas system at present are generally designed to carry out welded steel pipe short connection within a 90-degree range formed by 45-degree included angles at two sides above a main pipeline for pressure measurement, then a straight-through middle joint is connected with an internal thread ball valve, a welding pressure measurement and pressure introduction mode of a pressure guide pipe is carried out after the ball valve, and under normal conditions, except that a flowmeter selects a forming complete equipment to be directly installed on the main pipeline and is connected with equipment of the pressure guide device, The partial flow and online analysis pressure taking mode generally adopts a direct welding pressure taking mode or an annular pressure taking mode, and at the present stage, iron and steel enterprises, coal chemical enterprises and the like still contain water, oil stains, dust residues and other micro particles after dust removal and purification equipment facilities use blast furnace gas, converter gas and coke oven gas. And pressure on the main pipeline is measured, and direct pressure measurement or annular pressure measurement selected for partial flow pressure measurement has the phenomena of pressure guide pipe blockage, liquid containing and the like, so that the detection transmitter often has the phenomena of drifting, data misalignment, large data fluctuation and the like, which cannot reflect normal production process parameters, the maintenance period becomes shorter and shorter, the equipment maintenance amount is increased, the instrument difficult problems such as spare part and material consumption increase and the like are caused, and the misalignment failure of partial data can cause influence on the normal operation of the production process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a coal gas pressure guiding device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a coal gas draws pressure device, includes jar type air chamber, the both sides outer wall of jar type air chamber is equallyd divide do not fixedly connected with connecting pipe, the last fixed surface of jar type air chamber is connected with anti-sweeping the takeover, two of jar type air chamber's front side outer wall fixedly connected with draws and presses the pipe, two the same coal gas main line of the equal fixedly connected with in bottom that draws and presses the pipe, the lower fixed surface of jar type air chamber is connected with the flowing back takeover, the lower surface of coal gas main line is equipped with the bottom plate, the bottom plate all is equipped with same clamp with coal gas main line outer wall, the front side outer wall of clamp is equipped with adjusting.

Preferably, the outer wall of the pressure guide pipe is provided with a first stop valve.

Preferably, the outer wall of the back purge connecting pipe is provided with a second stop valve.

Preferably, the bottom end of the liquid discharge connecting pipe is provided with a drain valve.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the tank type air chamber is added behind the pressure-leading pipe of the main gas pipeline, and the problems of inaccurate collected data such as dust, liquid, pressure fluctuation, etc. of the gas, large fluctuation and short maintenance time, etc. are solved by adding the methods of back-purging the connecting pipe, liquid-discharging the connecting pipe and changing the position of the pressure-leading interface, when the gas enters the tank type air chamber from the main pipeline through the pressure-leading pipe and is then drawn out from the tank type air chamber, the pressure fluctuation of the main pipeline is firstly stabilized, the pressure fluctuation in the pressure-leading pipe is detected, the formed data fluctuation change and frequency are all stabilized, the outlet direction of the pressure-leading pipe from the tank type air chamber is changed and is drawn out from the upper side surface of the tank type air chamber, the pressure-taking air chamber with dust and liquid to the transmitter can be reduced, the blockage of the transmitter, the zero point after the liquid taking and the range deviation are reduced, the service life of the transmitter is prolonged, and related problems such as a back-blowing pipeline and a sewage discharge interface are solved, and the back-blowing pipe is arranged at the top, so that a back-blowing outlet short pipe can be used for back-blowing dirty dust and liquid; the flowing back takeover is installed in the bottom, and the pipe diameter is greater than and gets the pressure pipe, can make things convenient for flowing back and blowdown like this to jar type air chamber space increases, can reduce blowdown, moves back liquid cycle etc..

Drawings

Fig. 1 is a schematic structural view of a gas pressure-inducing device provided by the present invention;

fig. 2 is a schematic view of the hoop structure of the gas pressure-inducing device of the present invention.

In the figure: 1 can type air chamber, 2 pressure pipe, 3 anti-sweep takeover, 4 pressure pipes, 5 coal gas main lines, 6 flowing back takeover, 7 first stop valves, 8 second stop valves, 9 flowing back valves, 10 bottom plates, 11 clamp hoops, 12 adjusting bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a coal gas pressure guiding device comprises a tank-shaped air chamber 1, wherein the outer walls of two sides of the tank-shaped air chamber 1 are respectively and fixedly connected with a pressure guiding pipe 2, the upper surface of the tank-shaped air chamber 1 is fixedly connected with a reverse purging connecting pipe 3, the outer wall of the front side of the tank-shaped air chamber 1 is fixedly connected with two pressure guiding pipes 4, the bottom ends of the two pressure guiding pipes 4 are respectively and fixedly connected with a same coal gas main pipeline 5, the lower surface of the tank-shaped air chamber 1 is fixedly connected with a liquid discharging connecting pipe 6, the lower surface of the coal gas main pipeline 5 is provided with a bottom plate 10, the bottom plate 10 and the outer wall of the coal gas main pipeline 5 are respectively provided.

The outer wall of the pressure guide pipe 2 is provided with a first stop valve 7, the outer wall of the back flushing sweeping connecting pipe 3 is provided with a second stop valve 8, and the bottom end of the liquid drainage connecting pipe 6 is provided with a liquid drainage valve 9.

The working principle is as follows: when the utility model is used, the tank type air chamber 1 is added behind the pressure-leading pipe 2 of the main gas pipeline, and the problems of inaccurate collected data such as dust, liquid, pressure fluctuation, etc., large fluctuation, short maintenance time, etc. of instruments are solved by adding the reverse purging connecting pipe, the liquid-discharging connecting pipe 6, and changing the position of the pressure-leading interface, etc. when the gas enters the tank type air chamber 1 from the main pipeline 5 through the pressure-leading pipe 2, and then is drawn out from the tank type air chamber 1, the pressure fluctuation of the main pipeline is firstly stabilized, the pressure fluctuation in the pressure-leading pipe is caused to be detected, the data fluctuation change and frequency formed by the pressure fluctuation are all stable, secondly, the outlet direction of the pressure-leading pipe 2 from the tank type air chamber 1 is changed, the pressure-taking air chamber from the upper side surface of the tank type air chamber 1 can reduce the dust, the liquid-leading to the transmitter, the zero point blockage of the transmitter, the maintenance workload is reduced, the service life of the transmitter is prolonged, and related problems such as a back-blowing pipeline and a sewage discharge interface are increased, the back-blowing pipe is arranged at the top, and not only can the back-blowing outlet short pipe be arranged, but also the back-blowing of dirty dust and liquid can be realized; the flowing back takeover is installed in the bottom, and the pipe diameter is greater than and gets the pressure pipe, can make things convenient for flowing back and blowdown like this to jar type air chamber space increases, can reduce blowdown, moves back liquid cycle etc..

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a coal gas draws pressure device, includes jar type air chamber (1), its characterized in that, the both sides outer wall of jar type air chamber (1) is equallyd divide respectively fixedly connected with connecting pipe (2), the last fixed surface of jar type air chamber (1) is connected with anti-sweeping takeover (3), the front side outer wall fixedly connected with two of jar type air chamber (1) draws pressure pipe (4), two the equal fixedly connected with same coal gas main line (5) in bottom that draws pressure pipe (4), the lower fixed surface of jar type air chamber (1) is connected with flowing back takeover (6), the lower surface of coal gas main line (5) is equipped with bottom plate (10), bottom plate (10) and coal gas main line (5) outer wall all are equipped with same clamp (11), the front side outer wall of clamp (11) is equipped with adjusting bolt (12).

2. The gas pressure-leading device according to claim 1, characterized in that the outer wall of the pressure-leading pipe (2) is provided with a first stop valve (7).

3. The gas pressure guiding device as claimed in claim 1, wherein the outer wall of the back purge connection pipe (3) is provided with a second stop valve (8).

4. The gas pressure-leading device as claimed in claim 1, wherein the bottom end of the liquid-discharging connecting pipe (6) is provided with a blowoff valve (9).