CN217273556U

CN217273556U - Connecting pipeline of gas drainer

Info

Publication number: CN217273556U
Application number: CN202221051560.6U
Authority: CN
Inventors: 杨猛; 任春颖
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-23
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a connecting pipeline of a gas drainer, which relates to the technical field of gas drainage and aims to solve the problem that corrosive impurities in gas easily corrode the drainer and a pipeline; the utility model comprises a gas pipeline and a gas drainer, wherein a water collecting and dirt collecting funnel is arranged at the lower end of a drainage and dirt discharge port of the gas pipeline, a dirt discharge baffle is arranged above the water collecting and dirt collecting funnel, a horizontal baffle is positioned at the upper end of a vertical baffle and is close to one side of the incoming direction of gas, a flow guide frame is arranged in the gas pipeline, and the inclined direction of an inclined plate faces to the lower part of the horizontal baffle; the middle part of the drainage and sewage discharge pipeline is provided with a section of U-shaped sewage discharge groove, a water and sewage collecting pit is arranged below the U-shaped sewage discharge groove, the lower end of the U-shaped sewage discharge groove is opened and is provided with a sewage discharge pipe communicated into the water and sewage collecting pit, and one end of the U-shaped sewage discharge groove, which is far away from the gas pipeline, is fixedly provided with a conical filter; the utility model can reduce the corrosion of the coal gas drainer and the pipeline and prolong the service life.

Description

Connecting pipeline of gas drainer

Technical Field

The utility model relates to a coal gas drainage technical field specifically is a connecting line of coal gas drainer.

Background

In metallurgical enterprises, in the processes of iron making, steel making, coking, steel rolling and the like, a large amount of gas, including blast furnace gas, converter gas and coke oven gas, needs to be recovered and used. Various gas pipelines form an intricate and complex gas pipe network system. Generally, a gas drainer is required to be arranged at intervals of a certain distance for draining condensed water of the gas pipeline;

as disclosed in the utility model with publication number CN215411417U and name a multi-stage horizontal gas drainer, the gas drainer generally comprises an inlet drain pipe, a drainer cylinder, an outlet pipe, a drain outlet, a gas outlet, etc. which are communicated with a gas pipeline; however, as the coal gas contains various impurities which are easy to escape along with the coal gas and do not enter the drainer, after the pipeline system runs for a long time, various corrosive media are accumulated at the bottom of the coal gas pipeline, which are easy to corrode and puncture the pipeline and influence the service life of the coal gas pipeline; the existing anti-breakdown drainer mainly aims at the improvement of the aspect of pressure breakdown water seal, for example, the utility model patent with the publication number of CN213872233U and the name of overpressure protection anti-breakdown device of water seal gas drainer can prevent a large amount of gas leakage due to breakdown water seal, but does not consider the corrosion problem of impurities in the gas; in the invention patent with the publication number of CN107504373B and the name of a series-connection type gas drainer and an anti-corrosion method thereof, a method for adding an anti-corrosion layer on the inner surface of the gas drainer is disclosed, which eliminates the dead angle of the anti-corrosion layer, but the method not only increases the difficulty degree of maintenance, but also greatly improves the equipment cost, simultaneously causes the difficulty of ensuring the tightness due to too many connection points, and the like, and can not improve the impurity discharge efficiency. Therefore, a connection pipe of a gas drainer is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connecting line of coal gas drainer to solve the problem that the corrosive impurity in the coal gas corrodes drainer and pipeline easily.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting pipeline of a gas drainer comprises a gas pipeline and the gas drainer, wherein a drainage and sewage discharge port at the lower end of the gas pipeline is communicated with a water inlet of the gas drainer through a drainage and sewage discharge pipeline, a water collecting and sewage collecting funnel is arranged at the lower end of the drainage and sewage discharge port of the gas pipeline, a sewage discharge baffle plate is arranged above the drainage and sewage discharge port, the upper end of the sewage discharge baffle plate extends into the gas pipeline, the lower end of the sewage discharge baffle plate extends into the water collecting and sewage collecting funnel, the two sides of the sewage discharge baffle plate are closely connected with the inner wall of the gas pipeline and the inner wall of the water collecting and sewage collecting funnel, the sewage discharge baffle plate consists of a horizontal baffle plate and a vertical baffle plate, the horizontal baffle plate is positioned at one side, close to the gas incoming direction, of the water collecting and sewage collecting funnel, in the gas pipeline, a flow guide frame is arranged at one side, close to the gas incoming direction, a plurality of inclined plates are fixedly arranged in parallel from top to bottom in the gas pipeline, and the inclined directions of the inclined plates face the lower part of the horizontal baffle plate; the middle part of the drainage and sewage discharge pipeline is provided with a section of U-shaped sewage discharge groove, a water and sewage collecting pit is arranged below the U-shaped sewage discharge groove, the lower end of the U-shaped sewage discharge groove is provided with an opening, a sewage discharge pipe is communicated into the water and sewage collecting pit, and a conical filter is fixedly arranged at one end, far away from the gas pipeline, of the U-shaped sewage discharge groove.

Preferably, drainage sewage pipes still includes two straight tubes and an inverted U type connecting pipe, and wherein first straight tube is connected at the dirty funnel lower extreme of catchment collection, and the both ends in U type blowdown groove all are provided with dismantlement flange, and the entry end is through dismantling flange mounting in first straight tube lower extreme department, and the exit end is dismantled the flange mounting through another and is in the one end of inverted U type connecting pipe, and the other end of inverted U type connecting pipe is connected to the water inlet of coal gas drainer through second straight tube.

Preferably, the conical head of the conical filter is mounted upwardly.

Preferably, a drain valve is installed at the upper part of the drain pipe for periodically opening the drain.

Preferably, the gas drainer is arranged at one side of the water and dirt collecting pit, and a water outlet pipe of the gas drainer is communicated with the water and dirt collecting pit.

Compared with the prior art, the beneficial effects of the utility model are that:

the connecting pipeline of the coal gas drainer is used for blocking water and impurities in coal gas flow by arranging the flow guide frame and the drainage and pollution discharge baffle plate, collecting the blocked water and impurities by the water collecting and pollution discharge hopper, thereby improving the drainage efficiency of the water and impurities, reducing the accumulation of corrosive impurities and water in a coal gas pipeline and prolonging the service life of the coal gas pipeline, the lower part of the drainage and pollution discharge pipeline is provided with the U-shaped pollution discharge groove, one end of the U-shaped pollution discharge groove is provided with the conical filter, the bottom of the U-shaped pollution discharge groove is provided with the pollution discharge pipe, the pollution discharge valve is arranged on the pollution discharge pipe, the dual functions of drainage and pollution discharge are achieved, as the corrosive impurities can be retained in the U-shaped pollution discharge groove by the conical filter, only the U-shaped pollution discharge groove needs to be replaced when overhauling, the service life of the coal gas drainer can be greatly prolonged, in addition, as the impurities and condensed water flow downwards when the U-shaped pollution discharge groove discharges, the scouring function is also applied to the bottom of the U-shaped pollution discharge groove, can slow down the corrosion and prolong the service life of the U-shaped sewage draining groove.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a sewage discharge baffle plate; 2. a water and sewage collecting funnel; 3. a drainage and pollution discharge pipeline; 4. a gas drainer; 5. a U-shaped sewage draining groove; 6. a conical filter; 7. disassembling the flange; 8. a water and dirt collecting pit; 9. and (4) a flow guide frame.

Detailed Description

As shown in figure 1, a connecting pipeline of a gas drainer comprises a gas pipeline and the gas drainer 4, a drainage and sewage outlet at the lower end of the gas pipeline is communicated with a water inlet of the gas drainer 4 through a drainage and sewage pipeline 3, a water and sewage collecting funnel 2 is arranged at the lower end of the drainage and sewage outlet of the gas pipeline, a sewage baffle plate 1 is arranged above the drainage and sewage outlet, the upper end of the sewage baffle plate 1 extends into the gas pipeline, the lower end of the sewage baffle plate extends into the water and sewage collecting funnel 2, two sides of the sewage baffle plate 1 are closely connected with the inner wall of the gas pipeline and the inner wall of the water and sewage collecting funnel 2, the sewage baffle plate 1 consists of a horizontal baffle plate and a vertical baffle plate, wherein the horizontal baffle plate is arranged at one side of the upper end of the vertical baffle plate, which is close to the gas incoming direction, a flow guide frame 9 is arranged at one side of the water and sewage collecting funnel 2, which is close to the gas incoming direction, a plurality of inclined plates are fixedly arranged in parallel from top to bottom in the gas pipeline, the inclined direction of the inclined plate faces the lower part of the horizontal baffle; the middle part of drainage sewage pipes 3 is equipped with one section U type blowdown groove 5, its below is equipped with catchment collection sump 8, the lower extreme opening of U type blowdown groove 5 is equipped with the blow-off pipe and leads to in catchment collection sump 8, it is used for regularly opening the blowdown to preferably install the blowoff valve on the upper portion of blow-off pipe, in addition, coal gas drainer 4 can set up in one side of catchment collection sump 8 nearby, its outlet pipe communicates to catchment collection sump 8 in, the one end fixed mounting that coal gas pipeline was kept away from in U type blowdown groove 5 has conical filter 6, conical filter 6's conical head should upwards install, it causes the jam to reduce the comdenstion water at the middle part gathering.

In a preferred embodiment, drainage sewage pipes 3 still includes two straight tubes and a type of falling U connecting pipe, wherein 2 lower extremes at catchment dirt-collecting funnel are connected to first straight tube, the both ends of U type blowdown groove 5 all are provided with dismantlement flange 7, the entry end is installed in first straight tube lower extreme department through dismantling flange 7, the one end at the type of falling U connecting pipe is installed through another dismantlement flange 7 to the exit end, the other end of type of falling U connecting pipe is connected to the water inlet of coal gas drainer 4 through second straight tube, under this kind of connected mode, coal gas piping's water and the direct entering U type blowdown groove 5 that impurity did not hinder, can the at utmost reduce the corruption to other departments.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. A connecting pipeline of a gas drainer is characterized in that: comprises a gas pipeline and a gas drainer (4), wherein a drainage and sewage outlet at the lower end of the gas pipeline is communicated with a water inlet of the gas drainer (4) through a drainage and sewage pipeline (3), a water collecting and sewage collecting funnel (2) is arranged at the lower end of the drainage and sewage outlet of the gas pipeline, a sewage baffle plate (1) is arranged above the drainage and sewage outlet, the upper end of the sewage baffle plate (1) extends into the gas pipeline, the lower end of the sewage baffle plate extends into the water collecting and sewage collecting funnel (2), the two sides of the sewage baffle plate (1) are tightly connected with the inner wall of the gas pipeline and the inner wall of the water collecting and sewage collecting funnel (2), the sewage baffle plate (1) consists of a horizontal baffle plate and a vertical baffle plate, the horizontal baffle plate is positioned at one side of the upper end of the vertical baffle plate, which is close to the gas incoming direction, a flow guide frame (9) is arranged at one side of the water collecting and sewage collecting funnel (2) close to the gas incoming direction in the gas pipeline, and a plurality of inclined plates are fixedly arranged in parallel from top to bottom in the gas pipeline, the inclined direction of the inclined plate faces the lower part of the horizontal baffle; the middle part of drainage blowdown pipeline (3) is equipped with one section U type blowdown groove (5), and its below is equipped with catchment collection dirty hole (8), and the lower extreme opening of U type blowdown groove (5) is equipped with the blow-off pipe and leads to in catchment collection dirty hole (8), and the one end fixed mounting that coal gas pipeline was kept away from in U type blowdown groove (5) has conical filter (6).

2. The connecting line of a gas drainer as claimed in claim 1, wherein: drainage sewage pipes (3) still include two straight tubes and a type of falling U connecting pipe, and wherein first straight tube is connected at catchment dirt collection funnel (2) lower extreme, and the both ends of U type blowdown groove (5) all are provided with dismantlement flange (7), and the entry end is installed at first straight tube lower extreme department through dismantling flange (7), and the exit end is installed in the one end of type of falling U connecting pipe through another dismantlement flange (7), and the other end of the type of falling U connecting pipe is connected to the water inlet of coal gas drainer (4) through two straight tubes of second.

3. The connecting line of a gas drainer as claimed in claim 1, wherein: the conical head of the conical filter (6) is upwards installed.

4. The connecting line of a gas drainer as claimed in claim 1, wherein: and a drain valve is arranged at the upper part of the drain pipe and is used for opening the drain periodically.

5. The connecting line of a gas drainer as claimed in claim 1, wherein: the coal gas drainer (4) is arranged at one side of the water and dirt collecting pit (8), and a water outlet pipe of the coal gas drainer is communicated with the water and dirt collecting pit (8).