CN213513207U - Dewatering and pollution discharging device for blast furnace gas conveying net - Google Patents
Dewatering and pollution discharging device for blast furnace gas conveying net Download PDFInfo
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- CN213513207U CN213513207U CN202021702598.6U CN202021702598U CN213513207U CN 213513207 U CN213513207 U CN 213513207U CN 202021702598 U CN202021702598 U CN 202021702598U CN 213513207 U CN213513207 U CN 213513207U
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Abstract
A blast furnace gas conveying net dehydration blowdown apparatus, including water tank, gas line and bend; the water tank is cylindrical; the water tank is communicated between the gas pipelines; the gas pipeline at the air inlet of the water tank is communicated with the lateral upper part of the water tank through a bend pipe arranged at the radial lower part of the gas pipeline; a gas pipeline at the gas outlet of the water tank is communicated with a bent pipe which is communicated with the top of the water tank and is bent upwards; the water tank is internally communicated with a communicating pipe, one end of the communicating pipe is provided with an opening and is positioned at the lower part of the water tank, and the other end of the communicating pipe extends out of the upper part of the water tank and is communicated with a coal gas overpressure protection drainer; the bottom of the water tank is also communicated with a sewage discharge pipeline through a sewage discharge control valve. The design of the continuous downward bent pipe at the air inlet of the water tank in the gas pipeline enables the gas passing through the bent pipe to collide with the wall of the pipeline, so that the water and dirt in the gas are separated out and flow into the water tank along the pipe wall. The vertical to transverse bent pipe arranged in the gas pipeline can enable gas to collide with the pipeline wall when the gas rises, and effectively condense water remained in the gas into liquid drops.
Description
Technical Field
The utility model relates to a dewatering device, in particular to a dewatering and pollution discharging device of a blast furnace gas conveying net.
Background
Blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking production process. The blast furnace gas can be used as heating fuel for steel plants, can also be used for other purposes such as power generation and the like, and the utilization of the part of byproduct energy can not only reduce the energy consumption of enterprises, but also improve the pollution of the iron and steel enterprises to the surrounding environment. But due to the mixing of part of the residues in the coal gas, the further operation of the equipment can be influenced in the next use. Therefore, the slag is removed as much as possible during the transportation process, so that high-quality blast furnace gas can be provided for the next processing procedure. In addition, the blast furnace gas may generate moisture due to environmental changes during the transportation process of the blast furnace gas in the pipeline, so that a dehydrator needs to be additionally arranged in the middle of the pipeline for transporting the blast furnace gas, but the dehydration can be influenced by the common pipeline, so that the gas with the water which is not removed enters the next processing procedure. And the special dehydration pollution discharge device can influence the transportation of the coal gas, so that the transportation efficiency of the coal gas is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a blast furnace gas delivery network dehydration waste fitting discharging that simple structure, gas transportation efficiency is high, dehydration efficiency is high, the blowdown is effectual.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a blast furnace gas conveying net dehydration blowdown apparatus, including water tank, gas line and bend; the water tank is cylindrical; the water tank is communicated between the gas pipelines; the gas pipeline at the air inlet of the water tank is communicated with the lateral upper part of the water tank through a bend pipe arranged at the radial lower part of the gas pipeline; a gas pipeline at the gas outlet of the water tank is communicated with a bent pipe which is communicated with the top of the water tank and is bent upwards; the water tank is internally communicated with a communicating pipe, one end of the communicating pipe is provided with an opening and is positioned at the lower part of the water tank, and the other end of the communicating pipe extends out of the upper part of the water tank and is communicated with a coal gas overpressure protection drainer; the bottom of the water tank is also communicated with a sewage discharge pipeline through a sewage discharge control valve.
According to the dehydration and pollution discharge device for the blast furnace gas conveying net, the plurality of filter screens are obliquely arranged in the bent pipe at the top of the water tank.
In the dehydration and pollution discharge device for the blast furnace gas conveying net, the bottom of the water tank is conical.
In the dehydration and pollution discharge device for the blast furnace gas conveying net, the middle lower part of the water tank is also communicated with a water inlet pipe; the water inlet pipe is also provided with a water pump.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses the downward return bend design of water tank department of admitting air makes the coal gas and the pipeline wall collision through the bend in the gas pipeline to separate out moisture, the dirty sediment in the coal gas, make it flow into the water tank along the pipe wall, and flow along sewage pipes. The vertical and transverse bent pipe arranged at the gas outlet part in the gas pipeline can enable gas to collide with the pipeline wall when the gas rises, effectively condense water remained in the gas into liquid drops, and flow back to the water tank along the pipe wall. The utility model discloses still add in the straight portion intraductal filter screen of establishing of return bend that the water tank was given vent to anger, the dehydration effect of effectively having strengthened. The utility model has the characteristics of simple structure, high gas transportation efficiency, good dehydration and pollution discharge effects and the like.
And the utility model discloses still through blowdown control valve, sewage pipes, inlet tube and water pump cooperation, can utilize inlet tube and water pump to add water when the blowdown control valve is opened, in the blowdown, utilize to add water and guarantee that the water tank is sealed, moisture causes gas leakage too little when preventing the blowdown.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures denote: 1. a gas pipeline; 2. filtering with a screen; 3. a water tank; 4. a communicating pipe; 5. a coal gas overpressure protection drainer; 6. a blowdown line; 7. a blowdown control valve; 8. a water pump; 9. and (4) a water inlet pipe.
Detailed Description
Referring to fig. 1, the utility model comprises a water tank 3, a gas pipeline 1 and a bent pipe; the water tank 3 is cylindrical; the bent pipe is an angle bent pipe; the water tank 3 is communicated between the gas pipelines 1; air inlet of the water tank 3: the gas pipeline 1 is communicated with the upper side part of the water tank 3 through a bent pipe arranged downwards in the warp direction. Adopt above-mentioned structure: the coal gas in the coal gas pipeline 1 is firstly bent downwards and then bent transversely, the coal gas with moisture collides with the pipeline wall in the bent pipeline, the moisture and the dirt slag in the coal gas are condensed into liquid drops on the pipeline wall, and the liquid drops flow into the water tank 3 along the pipeline wall downwards.
Referring to the figure, the water tank 3 is given vent to anger and is located: the top of the water tank 3 is connected with a gas pipeline 1 through a bent pipe which is vertically upwards and then transversely bent. Adopt above-mentioned structure: residual water vapor and dirty slag in the coal gas are difficult to pass through after being bent upwards vertically, one part of the residual water vapor and the dirty slag fall back to the water tank 3 under the action of gravity, and the other part of the residual water vapor with the coal gas can lose moisture after colliding with the wall of the bent pipe even if the partial water vapor successfully rises to the bent part of the bent pipe.
Referring to the figure, the filter screens 2 which are obliquely arranged are arranged in the pipe of the vertical part of the bent pipe at the top of the water tank 3; the screen 2 may further help to filter moisture in the gas, and the inclined screen 2 may help liquid droplets that are condensed on the surface of the screen 2 to slide down along the screen 2 into the tank 3.
Referring to the figure, the water tank 3 of the utility model is internally communicated with a communicating pipe 4 which has an opening at one end positioned at the lower part of the water tank 3 and the other end extending out from the upper part of the water tank 3 and is communicated with a coal gas overpressure protection drainer 5; the bottom of the water tank 3 is also communicated with a sewage discharge pipeline 6 through a sewage discharge control valve 7. The gas overpressure protection drainer 5 can play the roles of draining water and sealing a pipeline, namely, the problem of gas leakage from the drainer when the water in the water tank 3 is too little can be prevented.
The utility model discloses 3 bottoms of well water tank are the toper, and the toper bottom adopts conical structure can effectively prevent that the dirty sediment from piling up in water tank 3 through blowdown control valve 7 and sewage pipes 6 intercommunication, effectively helps the dirty sediment to go out from sewage pipes 6.
The middle lower part of the middle water tank 3 of the utility model is also communicated with a water inlet pipe 9; the water inlet pipe 9 is also provided with a water pump 8. The water inlet pipe 9 and the water pump 8 can add water into the water tank 3 during pollution discharge, and the secondary guarantee effect of gas sealing is achieved.
The utility model discloses a working process: under the action of the water pump 8, the water is transported into the water tank 3 by the water inlet pipe 9, and the sealing effect is achieved. Coal gas enters from the coal gas pipeline 1, and in the continuous bent pipe, the coal gas collides with the pipe wall, so that moisture and residues are remained on the pipe wall and flow downwards along the pipe wall, and finally flow into the water tank 3. Coal gas enters from a bent pipe at the top of the water tank 3, the bent pipe is changed into a horizontal shape from vertical to upward, and a part of water is removed by the filter screen 2 after the part of the vertical bent pipe passes through the three filter screens 2. The gas becomes transverse after colliding with the pipe wall in the rising process, and residual moisture in the gas can be further removed in the collision process, so that the effect of drying the gas is achieved. And (3) opening the pollution discharge control valve 7, and discharging the sewage by the coal gas overpressure protection drainer 5. The dirty slag is discharged from a sewage discharge pipeline 6 at the lower part of the water tank 3. Meanwhile, the water inlet pipe 9 and the water pump 8 can add water into the water tank 3 during pollution discharge, and the secondary guarantee effect of gas sealing is achieved.
Claims (4)
1. The utility model provides a blast furnace gas conveying net dehydration waste fitting discharging which characterized in that: comprises a water tank (3), a gas pipeline (1) and a bent pipe; the water tank (3) is cylindrical; the water tank (3) is communicated between the gas pipelines (1); a gas pipeline (1) at the air inlet of the water tank (3) is communicated with the lateral upper part of the water tank (3) through a downward bent pipe in the radial direction; a gas pipeline (1) at the gas outlet of the water tank (3) is communicated with a bent pipe which is communicated with the top of the water tank (3) and is bent upwards; a communicating pipe (4) with one end opening positioned at the lower part of the water tank (3) and the other end extending out of the upper part of the water tank (3) and communicated with a coal gas overpressure protection drainer (5) is communicated with the water tank (3); the bottom of the water tank (3) is also communicated with a sewage discharge pipeline (6) through a sewage discharge control valve (7).
2. The blast furnace gas conveying net dewatering and pollution discharging device according to claim 1, characterized in that: a plurality of filter screens (2) are obliquely arranged in the elbow pipe at the top of the water tank (3).
3. The blast furnace gas conveying net dewatering and pollution discharging device according to claim 1, characterized in that: the bottom of the water tank (3) is conical.
4. The blast furnace gas conveying wire dewatering and blowdown device according to claim 1, 2 or 3, wherein: the middle lower part of the water tank (3) is also communicated with a water inlet pipe (9); the water inlet pipe (9) is also provided with a water pump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021702598.6U CN213513207U (en) | 2020-08-13 | 2020-08-13 | Dewatering and pollution discharging device for blast furnace gas conveying net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021702598.6U CN213513207U (en) | 2020-08-13 | 2020-08-13 | Dewatering and pollution discharging device for blast furnace gas conveying net |
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| Publication Number | Publication Date |
|---|---|
| CN213513207U true CN213513207U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021702598.6U Active CN213513207U (en) | 2020-08-13 | 2020-08-13 | Dewatering and pollution discharging device for blast furnace gas conveying net |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663502A (en) * | 2021-08-24 | 2021-11-19 | 航天环境工程有限公司 | Novel SDA reaction tower and application |
| CN114893725A (en) * | 2022-05-05 | 2022-08-12 | 中冶华天工程技术有限公司 | Novel coal gas drainage and pollution discharge pipeline system |
| CN115253566A (en) * | 2022-07-07 | 2022-11-01 | 佰利天控制设备(北京)股份有限公司 | Dehydrator drive arrangement of pipeline among blast furnace pressure regulating valves |
-
2020
- 2020-08-13 CN CN202021702598.6U patent/CN213513207U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663502A (en) * | 2021-08-24 | 2021-11-19 | 航天环境工程有限公司 | Novel SDA reaction tower and application |
| CN114893725A (en) * | 2022-05-05 | 2022-08-12 | 中冶华天工程技术有限公司 | Novel coal gas drainage and pollution discharge pipeline system |
| CN115253566A (en) * | 2022-07-07 | 2022-11-01 | 佰利天控制设备(北京)股份有限公司 | Dehydrator drive arrangement of pipeline among blast furnace pressure regulating valves |
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