CN212222885U - Coke oven gas filter - Google Patents
Coke oven gas filter Download PDFInfo
- Publication number
- CN212222885U CN212222885U CN202020258667.2U CN202020258667U CN212222885U CN 212222885 U CN212222885 U CN 212222885U CN 202020258667 U CN202020258667 U CN 202020258667U CN 212222885 U CN212222885 U CN 212222885U
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- outer sleeve
- coke oven
- circuit board
- cold air
- gas circuit
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Abstract
The utility model relates to the technical field of filtering devices, in particular to a coke oven gas filter, which is characterized by comprising an outer sleeve, an upper gas circuit board, a lower gas circuit board and an inner pipe, wherein the outer sleeve is welded and sealed with the upper gas circuit board and the lower gas circuit board; the wall of the outer sleeve is provided with a cold air inlet and a cold air outlet, and the cold air inlet is connected with the vortex refrigerator; the two ends of the outer sleeve are provided with an upper reducing diameter and a lower reducing diameter, and a stainless steel wire mesh is arranged in the upper reducing diameter. The utility model discloses novel structure, it is convenient to maintain, inner tube matrix overall arrangement, sample gas reposition of redundant personnel can the rapid filtration tar, gets rid of moisture, reduces pretreatment systems's maintenance volume.
Description
Technical Field
The utility model relates to a filter equipment technical field especially relates to a coke oven gas tar filter.
Background
At present, a large amount of harmful gas with high concentration and high temperature is discharged by a coke oven in operation, main pollutants are tar, naphthalene, dust and the like, the pollutants pollute the environment and are harmful to human health, and in order to meet the requirement of environmental protection, a gas analyzer for on-line monitoring, such as an oxygen analyzer and the like, is arranged in the operation process; the front end of the analyzer is provided with a pretreatment system for removing substances which are unfavorable for analysis in the coal gas.
At present, coke oven gas and saturated steam are mixed by adopting a jet pump and then introduced into a washing tank, and are washed by fresh water, cooled and filtered to remove macromolecular impurities so as to remove naphthalene and tar in the gas, and then the water and particulate matters in the gas are removed by a gas-liquid separator and a filter, and finally the gas enters an analyzer for analysis.
By using a pretreatment system adopting an injection mode of an injection pump, sample gas can contain trace saturated water, and water vapor can be brought into an analyzer, so that precision parts are damaged, and the precision is reduced; and the steam enters the water and can take away saturated oxygen, and when the oxygen analyzer is used, the sample gas contains additional oxygen, so that the measurement error is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coke oven gas filter uses direct cooling and filler filtration, and the mode of reposition of redundant personnel effectively gets rid of materials such as tar, naphthalene, steam in the coke oven gas, makes the appearance gas that gets into the analysis appearance dry, has the accuracy to the protection analysis appearance is more accurate to the composition analysis of appearance gas.
In order to solve the problem existing in the background art, the utility model adopts the following technical scheme: the coke oven gas filter is characterized by comprising an outer sleeve, an upper gas circuit board, a lower gas circuit board and an inner pipe, wherein the outer sleeve is welded and sealed with the upper gas circuit board and the lower gas circuit board; the wall of the outer sleeve is provided with a cold air inlet and a cold air outlet, and the cold air inlet is connected with the vortex refrigerator; the two ends of the outer sleeve are provided with an upper reducing diameter and a lower reducing diameter, and a stainless steel wire mesh is arranged in the upper reducing diameter.
Preferably, the upper end of the outer sleeve is provided with a temperature bulb for measuring temperature, the temperature bulb is connected with a temperature regulating valve, the inlet of the temperature regulating valve is connected with compressed air, and the outlet of the temperature regulating valve is connected with a vortex refrigerator.
Preferably, the upper reducing and the lower reducing are respectively welded with the upper flange and the lower flange.
Preferably, the upper flange is fastened with the butt flange through a metal graphite pad and a stainless steel bolt.
Preferably, the butt flange is provided with a threaded port for butt joint with the pretreatment pipeline.
Preferably, the cold air outlet is connected with a threaded joint to lead out cold air.
Preferably, the inner tubes are arranged in a matrix.
The inner tube of the utility model forms an airflow cavity by passing the upper and lower gas circuit boards and the outer sleeve, and the air conditioning reduces the temperature of the coke oven gas in the inner tube by the cavity and condenses the water vapor in the coke oven gas. The stainless steel wire mesh is filled in the upper reducing pipe, tar is filtered, and the maintenance, cleaning and replacement are convenient. The outer sleeve upper end is equipped with the bulb of temperature measurement, and through the temperature of bulb response, gives temperature signal transmission for temperature regulating valve, and the air input of compressed air is controlled to the automatically regulated valve aperture, and vortex refrigerator's air output is controlled by temperature regulating valve.
The utility model discloses novel structure, it is convenient to maintain, inner tube matrix overall arrangement, sample gas reposition of redundant personnel can the rapid filtration tar, gets rid of moisture, reduces pretreatment systems's maintenance volume.
Drawings
FIG. 1 is a schematic structural diagram of a coke oven gas filter according to an embodiment of the present invention.
In the figure, (1), a butt flange; (2) an upper flange; (3) reducing; (4) stainless steel wire mesh; (5) an outer sleeve; (6) an inner tube; (7) a cold air outlet; (8) a gas circuit board; (9) a lower flange; (10) a temperature regulating valve; (11) a vortex refrigerator; (12) and a thermal bulb; (13) and a metal graphite pad.
FIG. 2 is a schematic view of the position of the sample gas inlet of the inner tube shown in FIG. 1.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and drawings.
Examples
Referring to the attached figure 1, the coke oven gas filter mainly comprises an outer sleeve (5), an upper gas circuit board (8), a lower gas circuit board (8) and an inner pipe (6), wherein the outer sleeve (5) is welded and sealed with the upper gas circuit board and the lower gas circuit board (8), the inner pipe (6) penetrates through the upper gas circuit board and the lower gas circuit board (8), and an airflow cavity is formed between the inner pipe (6) and the wall of the outer sleeve (5); the wall of the outer sleeve (5) is provided with a cold air inlet and a cold air outlet (7), and the cold air inlet is connected with a vortex refrigerator (11); the two ends of the outer sleeve (5) are provided with an upper reducing diameter and a lower reducing diameter, and a stainless steel wire mesh (4) is arranged in the upper reducing diameter.
In the embodiment, referring to fig. 1, mainly includes: the outer sleeve (5) and the upper and lower gas circuit boards (8) are sealed by welding; the wall of the outer sleeve (5) is provided with a cold air inlet and a cold air outlet (7), the inlet is connected with the outlet of the vortex refrigerator (11), and the cold air outlet (7) is connected with a threaded joint to lead out cold air; the inner tube (6) penetrates through the upper and lower gas circuit boards (8) and the outer sleeve (5) to form a gas flow cavity, and cold gas passes through the cavity to reduce the temperature of the coke oven gas in the inner tube (6) and condense water vapor in the coke oven gas; the upper and lower reducing holes (3) are welded at the two ends of the outer sleeve (5), and the upper and lower reducing holes (3) are respectively welded with the upper flange (2) and the lower flange (9); the upper reducing (3) is filled with a stainless steel wire mesh (4) to filter tar, so that the maintenance, cleaning and replacement are convenient; the upper flange (2), the butt flange (1) and the metal graphite pad (13) are fastened and sealed by stainless steel bolts; the butt flange (1) is provided with a threaded port and is butted with the pretreatment pipeline; the upper end of the outer sleeve (5) is provided with a temperature measuring bulb (12) which transmits a temperature signal to the temperature regulating valve (10) to control the air inflow of the compressed air; the thermal bulb (12) is connected with the temperature regulating valve (10); the inlet of the temperature regulating valve (10) is connected with compressed air, and the opening of the temperature regulating valve (10) is automatically regulated through the temperature sensed by the thermal bulb (12) to control the air inflow of the compressed air; the outlet of the temperature regulating valve (10) is connected with a vortex refrigerator (11); the vortex refrigerator (11) is connected with the outer sleeve (5) through a cold air inlet, and the air outlet quantity of the vortex refrigerator (11) is controlled by the temperature regulating valve (10).
In the example, referring to fig. 2, the inner tubes (6) are arranged in a matrix.
The utility model discloses novel structure, it is convenient to maintain, inner tube matrix overall arrangement, sample gas reposition of redundant personnel can the rapid filtration tar, gets rid of moisture, reduces pretreatment systems's maintenance volume.
Claims (7)
1. A coke oven gas filter is characterized by comprising an outer sleeve, an upper gas circuit board, a lower gas circuit board and an inner pipe, wherein the outer sleeve is welded and sealed with the upper gas circuit board and the lower gas circuit board; the wall of the outer sleeve is provided with a cold air inlet and a cold air outlet, and the cold air inlet is connected with the vortex refrigerator; the two ends of the outer sleeve are provided with an upper reducing diameter and a lower reducing diameter, and a stainless steel wire mesh is arranged in the upper reducing diameter.
2. The coke oven gas filter of claim 1, wherein the upper end of the outer sleeve is provided with a temperature measuring bulb, the temperature measuring bulb is connected with a temperature regulating valve, the inlet of the temperature regulating valve is connected with compressed air, and the outlet of the temperature regulating valve is connected with a vortex refrigerator.
3. The coke oven gas filter of claim 1, wherein the upper and lower reducing diameters are welded to the upper and lower flanges, respectively.
4. The coke oven gas filter of claim 3, wherein the upper flange is fastened to the docking flange by a metal graphite gasket and stainless steel bolts.
5. The coke oven gas filter of claim 4, wherein the docking flange is threaded to dock with a pre-treatment line.
6. The coke oven gas filter of claim 1, wherein the cold air outlet is connected to a threaded connector.
7. The coke oven gas filter of claim 1, wherein the inner tubes are arranged in a matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258667.2U CN212222885U (en) | 2020-03-05 | 2020-03-05 | Coke oven gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258667.2U CN212222885U (en) | 2020-03-05 | 2020-03-05 | Coke oven gas filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212222885U true CN212222885U (en) | 2020-12-25 |
Family
ID=73912897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258667.2U Active CN212222885U (en) | 2020-03-05 | 2020-03-05 | Coke oven gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212222885U (en) |
-
2020
- 2020-03-05 CN CN202020258667.2U patent/CN212222885U/en active Active
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