CN215667858U

CN215667858U - Slag removing device for gas conveying pipeline

Info

Publication number: CN215667858U
Application number: CN202121384836.8U
Authority: CN
Inventors: 李爱国; 毛兵
Original assignee: Pangang Group Panzhihua Steel and Vanadium Co Ltd
Current assignee: Pangang Group Panzhihua Steel and Vanadium Co Ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-28
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a deslagging device, in particular discloses a deslagging device for a gas conveying pipeline, and belongs to the technical field of design and manufacture of accessories of blast furnace gas conveying equipment. The slag removing device for the gas conveying pipeline can effectively filter common solid particles such as dust, naphthalene, hydrogen sulfide, benzene and metal particles which are corroded and shed by a pipeline and fluid substances such as tar, moisture and the like in the gas. The deslagging device comprises a connecting mechanism and a deslagging separating mechanism, and the gas conveying pipeline is communicated with the deslagging separating mechanism from different directions through the connecting mechanism; the tar, the moisture and the solid particles in the conveyed coal gas are separated from the coal gas through the deslagging and separating mechanism.

Description

Slag removing device for gas conveying pipeline

Technical Field

The utility model relates to a deslagging device, in particular to a deslagging device for a gas conveying pipeline, and belongs to the technical field of design and manufacture of accessories of blast furnace gas conveying equipment.

Background

At present, gas pipelines of various large iron and steel enterprises in China generally adopt steel pipes and cast iron pipes. Because the components of the coal gas are complex and various, the coal gas contains various impurities, and in addition, due to unreasonable factors in the aspects of design, construction and the like, the inner wall of the coal gas pipeline is easy to corrode and peel off to generate metal particles; in addition, because the coal gas has the harmful characteristics of flammability, explosiveness and strong toxicity, the coal gas is easy to cause vicious accidents such as fire, explosion, personal injury and the like. The reduction of impurities in the gas has important and positive significance for the safe and stable operation of a gas pipe network. The existing gas pipeline not only causes corrosive damage to the gas pipeline due to the existence and continuous accumulation of the impurities in long-term operation, but also causes the pipeline to be blocked to cause the reduction and even the blockage of the gas flow, thereby causing the abnormity of a gas supply system and a combustion system and causing serious damage to the safety and the stability of gas transmission and use.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the slag removing device for the gas conveying pipeline can effectively filter common solid particles such as dust, naphthalene, hydrogen sulfide, benzene and metal particles which are corroded and shed by a pipeline and fluid substances such as tar, moisture and the like in the gas.

The technical scheme adopted for solving the technical problems is as follows: a deslagging device for a gas conveying pipeline comprises a connecting mechanism and a deslagging separating mechanism, wherein the gas conveying pipeline is communicated with the deslagging separating mechanism from different directions through the connecting mechanism; the tar, the moisture and the solid particles in the conveyed coal gas are separated from the coal gas through the deslagging and separating mechanism.

Furthermore, the deslagging and separating mechanism comprises an impurity separating tank, and the gas conveying pipeline is communicated with the impurity separating tank from different directions through the connecting mechanism.

The preferred mode of above-mentioned scheme is, coupling mechanism include gas input connection nest of tubes, gas output connection nest of tubes and flange gas input connection nest of tubes with flange is installed respectively to the end of gas output connection nest of tubes, gas supply line's gas output end passes through gas input connection nest of tubes along horizontal direction and impurity knockout drum intercommunication, gas supply line's gas input end pass through gas output connection nest of tubes from top and impurity knockout drum intercommunication.

Further, the impurity separation tank is in a vertically arranged cylindrical shape, and the outer side wall of the gas input connecting pipe set is communicated with the side wall of the cylindrical impurity separation tank in a tangent mode.

In a preferred aspect of the foregoing aspect, the distance from the axial center line of the gas supply connection pipe group to the top of the cylindrical impurity separation tank is less than one third of the height of the cylindrical impurity separation tank.

Further, the deslagging separation mechanism further comprises at least one group of deslagging pipes, and the deslagging pipes are connected with the cylindrical impurity separation tank from the bottom.

The preferable mode of the scheme is that the bottom of the cylindrical impurity separation tank is in an arc shape protruding outwards, and the slag discharge pipe is communicated with the arc-shaped bottom from the lowest point of the arc-shaped bottom.

Furthermore, an observation hole is arranged on the side wall of the cylindrical impurity separation tank and is sealed by a transparent plugging plate.

Furthermore, the tail ends of the gas input connecting pipe group, the gas output connecting pipe group and the slag discharge pipe are also connected with stop valves in series.

The utility model has the beneficial effects that: the slag removing device comprises a connecting mechanism and a slag removing and separating mechanism, and the gas conveying pipeline is communicated with the slag removing and separating mechanism from different directions through the connecting mechanism; then the tar, the moisture and the solid particles in the conveyed gas are separated from the gas through the deslagging separation mechanism, so that the aim of effectively filtering the common solid particles such as dust, naphthalene, hydrogen sulfide, benzene and metal particles which are corroded and shed by pipelines and the fluid substances such as the tar, the moisture and the like in the gas is fulfilled. The current situation that the gas conveying pipeline is easy to block because the gas is directly conveyed without any filtering and separating device in the prior art is changed.

Drawings

FIG. 1 is a schematic structural view of a slag removal device for a gas transmission pipeline according to the present invention;

fig. 2 is a top view of fig. 1.

Labeled as: the device comprises a connecting mechanism 1, a deslagging separation mechanism 2, a gas conveying pipeline 3, a gas input connecting pipe group 4, a gas output connecting pipe group 5, a connecting flange 6, an impurity separation tank 7, a deslagging pipe 8 and an observation hole 9.

Detailed Description

As shown in fig. 1 and 2, the utility model provides a slag removing device for a gas conveying pipeline, which can effectively filter solid particles such as dust, naphthalene, hydrogen sulfide, benzene, pipeline corrosion and metal particles and fluid substances such as tar and moisture in gas. The deslagging device comprises a connecting mechanism 1 and a deslagging separating mechanism 2, and the gas conveying pipeline 3 is communicated with the deslagging separating mechanism 2 from different directions through the connecting mechanism 1; the tar, the moisture and the solid particles in the conveyed coal gas are separated from the coal gas through the deslagging and separating mechanism 2. The slag removing device comprises a connecting mechanism and a slag removing and separating mechanism, and the gas conveying pipeline is communicated with the slag removing and separating mechanism from different directions through the connecting mechanism; then the tar, the moisture and the solid particles in the conveyed gas are separated from the gas through the deslagging separation mechanism, so that the aim of effectively filtering the common solid particles such as dust, naphthalene, hydrogen sulfide, benzene and metal particles which are corroded and shed by pipelines and the fluid substances such as the tar, the moisture and the like in the gas is fulfilled. The current situation that the gas conveying pipeline is easy to block because the gas is directly conveyed without any filtering and separating device in the prior art is changed.

In the above embodiment, in order to improve the separation effect and facilitate the connection of the gas transmission pipeline to the deslagging separating mechanism 2, the deslagging separating mechanism 2 is set to have a structure comprising an impurity separating tank 7, and the gas transmission pipeline 3 is communicated with the impurity separating tank from different directions through the connecting mechanism 1. Then will coupling mechanism 1 set to the structure that includes gas input connecting pipe group 4, gas output connecting pipe group 5 and flange 6, will be in gas input connecting pipe group 4 with flange 3 is installed respectively to the end of gas output connecting pipe group 5, the gas output of gas conveying pipeline 3 pass through gas input connecting pipe group 4 along the horizontal direction with impurity knockout drum 7 intercommunication, the gas input of gas conveying pipeline 3 pass through gas output connecting pipe group 5 from the top with impurity knockout drum 7 intercommunication. In a preferable mode, the impurity separation tank is vertically arranged in a cylindrical shape, and the outer side wall of the gas input connecting pipe group 4 is communicated with the side wall of the cylindrical impurity separation tank in a tangential manner. The distance from the axial center line of the gas input connecting pipe group 4 to the top of the cylindrical impurity separation tank is less than one third of the height of the cylindrical impurity separation tank.

Further, in order to facilitate the moisture, impurity and various particulate matters of discharge deposit filter out, the application deslag separating mechanism 2 still include at least a set of scum pipe 8, scum pipe 8 be connected with cylindric impurity knockout drum from the bottom. Then the bottom of the cylindrical impurity separation tank is designed to be an outward convex arc shape, and the slag discharge pipe 8 is communicated with the arc bottom from the lowest point of the arc bottom. And the side wall of the cylindrical impurity separation tank is further provided with an observation hole 9, and the observation hole 9 is sealed by a transparent plugging plate. Meanwhile, stop valves are connected in series at the tail ends of the gas input connecting pipe group 4, the gas output connecting pipe group 5 and the slag discharge pipe 8.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of this application make full use of gravity and centrifugal force principle, the dust in the separation gas pipeline, naphthalene, hydrogen sulfide, benzene class, pipeline corrosion drops solid particulate matter such as metal particle and tar, fluid such as moisture make it store up the container bottom, regularly clear up and discharge the impurity of bottom, just can guarantee to get into the cleanliness of production link coal gas, thereby reach the purpose that improves the security and the reliability of using coal gas, coal gas takes off sediment device by jar body, the flange, the valve, the signal pipe, the intake pipe, the outlet duct, inspection hole and closure plate etc. constitute, jar body adopts seamless steel pipe to make.

The operating principle of this application technical scheme is for cutting original gas pipeline from middle appropriate position, installs this deslag device, connects the coal gas admission pipe and gets into along jar body limit portion tangent line, and the export in the middle part of the gas outlet pipe source jar body utilizes gravity and centrifugal force principle, separates the impurity in the gas pipeline and piles up the container bottom.

Claims

1. A deslag device for gas transmission pipeline is characterized in that: the deslagging device comprises a connecting mechanism (1) and a deslagging separating mechanism (2), and the gas conveying pipeline (3) is communicated with the deslagging separating mechanism (2) from different directions through the connecting mechanism (1); the tar, the moisture and the solid particles in the conveyed coal gas are separated from the coal gas through the deslagging and separating mechanism (2).

2. The slag removal device for gas transmission pipelines according to claim 1, wherein: the deslagging separation mechanism (2) comprises an impurity separation tank (7), and the gas conveying pipeline (3) is communicated with the impurity separation tank from different directions through the connecting mechanism (1).

3. The slag removal device for gas transmission pipelines according to claim 1 or 2, wherein: coupling mechanism (1) including gas input connection nest of tubes (4), gas output connection nest of tubes (5) and flange (6) gas input connection nest of tubes (4) with flange (3) are do not installed equally to the end of gas output connection nest of tubes (5), the gas output end of gas conveying pipeline (3) passes through gas input connection nest of tubes (4) along horizontal direction and impurity knockout drum (7) intercommunication, the gas input of gas conveying pipeline (3) passes through gas output connection nest of tubes (5) from top and impurity knockout drum (7) intercommunication.

4. The slag removal device for gas transmission pipelines according to claim 3, wherein: the impurity separation tank is vertically arranged and cylindrical, and the outer side wall of the gas input connecting pipe group (4) is communicated with the side wall of the cylindrical impurity separation tank in a tangent mode.

5. The slag removal device for gas transmission pipelines according to claim 4, wherein: the distance from the axial center line of the gas input connecting pipe group (4) to the top of the cylindrical impurity separation tank is less than one third of the height of the cylindrical impurity separation tank.

6. The slag removal device for gas transmission pipelines according to claim 5, wherein: the deslagging separation mechanism (2) further comprises at least one group of deslagging pipes (8), and the deslagging pipes (8) are connected with the cylindrical impurity separation tank from the bottom.

7. The slag removal device for gas transmission pipelines of claim 6, wherein: the bottom of the cylindrical impurity separation tank is in an outward convex arc shape, and the slag discharge pipe (8) is communicated with the arc-shaped bottom from the lowest point of the arc-shaped bottom.

8. The slag removal device for gas transmission pipelines of claim 7, wherein: an observation hole (9) is also arranged on the side wall of the cylindrical impurity separation tank, and the observation hole (9) is sealed by a transparent plugging plate.

9. The slag removal device for gas transmission pipelines of claim 8, wherein: stop valves are connected in series at the tail ends of the gas input connecting pipe group (4), the gas output connecting pipe group (5) and the slag discharge pipe (8).