CN204265713U - A kind of for coke oven sample gas pre-processing device - Google Patents
A kind of for coke oven sample gas pre-processing device Download PDFInfo
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- CN204265713U CN204265713U CN201420676603.9U CN201420676603U CN204265713U CN 204265713 U CN204265713 U CN 204265713U CN 201420676603 U CN201420676603 U CN 201420676603U CN 204265713 U CN204265713 U CN 204265713U
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- filter tank
- sample gas
- processing device
- coke oven
- gas pre
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Abstract
A kind of coke oven sample gas pre-processing device that is used for comprises front-end sampling pipeline 1, Combined water cleaning of evaporator 3, water washed filter tank 4, vapor jet pump 5, filtering net 6, organic hold-up vessel 7, Windspout freezer 8, modular filter tank 9, blow-off line 11.The beneficial effects of the utility model are to ensure that continuous sampling.Sample devices can be made to avoid the corrosion of hydrogen sulfide, decrease the aqueous vapor in sample gas simultaneously, the minimizing of aqueous vapor is conducive to improving computational accuracy.
Description
Technical field
The present invention relates to coke oven security technology area, specifically a kind of for coke oven sample gas pre-processing device.
Background technology
In the recovery of coke-oven plant's coke(oven)gas and scavenging process, oxygen level is an important Con trolling index.Containing the high viscosities such as a large amount of tar, naphthalene, easily crystalline material in coke-oven gas, high pressure static electricity is needed to remove defocused could again utilization.Before entering electric tar, in coal gas, oxygen content must be analyzed continuously, and its Con trolling index is: O2 content > 0.8% alarm, sends stopping signal and cut off electric tar power supply during O2 content > 1.0%.
And existing sample devices and analytical procedure have the following disadvantages:
1. cannot effectively sample gas coal-tar middle oil mist in place to go to be on the impact of sample devices, tar is easily crystallization at low temperatures.Easily block gas sampling pipeline after crystallization, thus block continuous sampling.
2. cannot effectively in the sample gas of place to go naphthalene on the impact of sample devices, naphthalene condensation Crystallization Plugging gas sample pipe in gas sample, thus block continuous sampling.
3. in gas sample, hydrogen sulfide is on the impact of sample devices, and the hydrogen sulfide in gas sample is the material be very harmful to, and has strong corrodibility to metal, and in equipment, metal section can corrode embrittlement, come off, damage because of hydrogen sulfide etc.
4. the interfering factors impact of moisture in gas sample, after coking coal washing, sample air humidity degree is comparatively large, can carry secretly a part of small liquid mist (free-water) can not separated fall.Cause water-content in gas sample non-constant, interference is produced to component to be measured.Bring additive error.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of for coke oven sample gas pre-processing device, determines that sample devices pipeline easily blocks, sample devices is easily corroded, moisture content is higher in sample gas problem to separate prior art.
The technical scheme of technical solution problem of the present invention is:
A kind of coke oven sample gas pre-processing device that is used for comprises front-end sampling pipeline, Combined water cleaning of evaporator, water washed filter tank, vapor jet pump, filtering net, organic hold-up vessel, Windspout freezer, modular filter tank.
The outlet of front-end sampling pipeline converges to vapo(u)r blasting pump outlet, vapo(u)r blasting pump outlet is connected with water washed filter tank by pipeline, water washed filter tank is positioned at bottom Combined water cleaning of evaporator, Combined water cleaning of evaporator top is connected with organic hold-up vessel bottom by pipeline, organic hold-up vessel top is connected with modular filter tank bottom by pipeline, and modular filter tank top is connected with Windspout freezer entrance.
Be provided with filtering net in front-end sampling pipeline, washing filtering tank deck wall and side wall upper part are evenly distributed with through hole, are provided with hydrogen sulfide filtering layer in modular filter tank.
Bottom Combined water cleaning of evaporator, bottom organic hold-up vessel, modular filter pot bottom is connected with blow-off line respectively.
Combined water cleaning of evaporator is inner, is provided with Fine spray shower nozzle, the water inlet pipe of Fine spray shower nozzle is provided with water cooler on water washed filter tank.
The sidewall of Combined water cleaning of evaporator is connected with overflow spout.
Be provided with tar settler bottom Combined water cleaning of evaporator, tar settler is communicated with blow-off line.
The top of organic hold-up vessel is provided with funnel, and filler neck part is provided with seal valve.
The top of modular filter tank is provided with anti-blowpipe, and anti-blowpipe is provided with seal valve.
Modular filter pot bottom is connected with solution storage tanks, and solution storage tanks is communicated with blow-off line.
Also be provided with activated carbon granule filtering layer in modular filter tank, activated carbon granule filtering layer is positioned at the below of hydrogen sulfide filtering layer.
Windspout freezer outlet is connected with ultramicropore fabric filter element pipe.
Beneficial effect of the present invention is:
1. the filtering net liquid state tar fog that can be mingled with in sampling by filtration gas, Combined water cleaning of evaporator can remove tar gas all in sample gas, filtering net and Combined water cleaning of evaporator cooperatively interact, all tar material are filtered, make the unimpeded of gas sampling pipeline, thus ensure that continuous sampling;
2. Combined water cleaning of evaporator can the naphthalene of part in sampling by filtration gas, has to absorb and dissolves remaining naphthalene, make the unimpeded of gas sampling pipeline, thus ensure that continuous sampling in organic hold-up vessel;
3. the hydrogen sulfide filtering layer in modular filter tank can hydrogen sulfide in sampling by filtration gas, and the activated carbon granule filtering layer in modular filter tank can absorb the aqueous vapor be mingled with in sample gas.Modular filter tank not only makes sample devices avoid the corrosion of hydrogen sulfide, decreases the aqueous vapor in sample gas simultaneously, and the minimizing of aqueous vapor is conducive to improving computational accuracy;
4. Windspout freezer can absorb remaining aqueous vapor in sample gas, and the minimizing of aqueous vapor is conducive to improving computational accuracy;
5. ultramicropore fabric filter element pipe can filter other micro substances, is conducive to improving computational accuracy.
Accompanying drawing explanation
Fig. 1 is structure of the present invention intention.
Description of reference numerals: 1 front-end sampling pipeline, 2 tar settlers, 3 Combined water cleaning of evaporators, 4 water washed filter tanks, 5 vapor jet pumps, 6 filtering nets, 7 organic hold-up vessels, 8 Windspout freezers, 9 modular filter tanks, 10 solution storage tanks, 11 blow-off lines, 12 coking coal process duct, 13 Fine spray shower nozzles, 14 water coolers, 15 funnels, 16 overflow spouts, 17 blowback pipelines, 18 ultramicropore fabric filter element pipes.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of coke oven sample gas pre-processing device that is used for comprises front-end sampling pipeline 1, Combined water cleaning of evaporator 3, water washed filter tank 4, vapor jet pump 5, filtering net 6, organic hold-up vessel 7, Windspout freezer 8, modular filter tank 9, blow-off line 11.
Be provided with filtering net 6 in front-end sampling pipeline 1, the outlet of front-end sampling pipeline 1 and the outlet of vapor jet pump 5 converge.The outlet of vapor jet pump 5 is connected with the water washed filter tank 4 installed in Combined water cleaning of evaporator 3 by pipeline, Combined water cleaning of evaporator 3 top is connected with organic hold-up vessel 7 bottom by the valvular pipeline of band, organic hold-up vessel 7 top is connected with modular filter tank 9 bottom by the valvular pipeline of band, modular filter tank 9 top is connected with Windspout freezer 8 entrance, the outlet of Windspout freezer 8 is connected with ultramicropore fabric filter element pipe 18, and ultramicropore fabric filter element pipe 18 leads to Analytical equipment.
On Combined water cleaning of evaporator 3 inner bottom surface, back-off has water washed filter tank 4, and the top of water washed filter tank 4 is provided with Fine spray shower nozzle 13, and the water inlet pipe of Fine spray shower nozzle 13 is connected with water cooler 14 by the valvular pipeline of band.Water washed filter tank 4 roof and side wall upper part are evenly distributed with through hole.On Combined water cleaning of evaporator 3 sidewall, position, distance bottom surface 3/4 is provided with overflow spout 16, when Fine spray shower nozzle 13 spray water exceed Combined water cleaning of evaporator 3 tank body height 3/4 time, unnecessary water will be flowed out by overflow spout 16.The part that the water washed filter tank 4 in Combined water cleaning of evaporator 3 bottom surface covers is provided with opening, opening is connected with there being tar settler 2 by pipeline, be connected with blow-off line 11 by the valvular pipeline of band bottom tar settler 2, valve is opened when safeguarding, closes during filtering gas.
Organic hold-up vessel 7 top is provided with funnel 15, and funnel 15 neck is provided with seal valve, and seal valve can prevent gas in filtration procedure from leaking from funnel 15.Being opened when safeguarding by the valvular pipeline of the band valve that is connected with blow-off line 11 bottom organic hold-up vessel 7, closing during filtering gas.Organic hold-up vessel 7 is equipped with Level Detection pipe.
Be provided with hydrogen sulfide filtering layer and activated carbon granule filtering layer in modular filter tank 9, activated carbon granule filtering layer is positioned at the below of hydrogen sulfide filtering layer.Hydrogen sulfide filtering layer does not contact with activated carbon granule filtering layer position.Space is left above hydrogen sulfide filtering layer and between modular filter tank 9 end face.Space is left below activated carbon granule filtering layer and between the bottom surface of modular filter tank 9.Modular filter tank 9 top is provided with anti-blowpipe 17, and anti-blowpipe 17 installs sealed valve.Modular filter tank 9 bottom is connected with solution storage tanks 10 by pipeline, and be connected with blow-off line 11 by the valvular pipeline of band bottom solution storage tanks 10, valve is opened when safeguarding, closes during filtering gas.
Before using, load distilled water by Combined water cleaning of evaporator 3, distilled water will not have the top of water washed filter tank 4.In organic hold-up vessel 7, add diesel oil by funnel 15, diesel oil is no more than organic hold-up vessel 7 volume 90% at the most.
During use, open Fine spray shower nozzle 13 and the valve on water cooler 14 connecting tube, start Windspout freezer 8.
When safeguarding, close Fine spray shower nozzle 13 and the valve on water cooler 14 connecting tube, open the valve between tar settler 2 and blow-off line 11, the valve between organic hold-up vessel 7 and blow-off line 11, the valve between solution storage tanks 10 and blow-off line 11, open the valve on anti-blowpipe 17, and gas blower is connected with anti-blowpipe 17, the residue being attached to hydrogen sulfide filtering layer and activated carbon granule filtering layer can blow to modular filter tank 9 by gas blower.Dirt in tar settler 2, organic hold-up vessel 7, solution storage tanks 10 can be got rid of by blow-off line 11.
Tar settler 2, organic hold-up vessel 7, solution storage tanks 10, overflow spout 16 can connect same blow-off line, also may correspond to separately independently blow-off line.In order to simplified apparatus structure, can adopt a pipeline blowdown, when handled sample gas can be too much, when equipment meets larger, matters adopt separate blow-off line blowdown.
Claims (10)
1. for a coke oven sample gas pre-processing device, it is characterized in that: this equipment comprises front-end sampling pipeline (1), Combined water cleaning of evaporator (3), water washed filter tank (4), vapor jet pump (5), filtering net (6), organic hold-up vessel (7), Windspout freezer (8), modular filter tank (9), the outlet of described front-end sampling pipeline (1) and the outlet of described vapor jet pump (5) converge, the outlet of described vapor jet pump (5) is connected with described water washed filter tank (4) by pipeline, described water washed filter tank (4) is positioned at described Combined water cleaning of evaporator (3) bottom, described Combined water cleaning of evaporator (3) top is connected with described organic hold-up vessel (7) bottom by pipeline, described organic hold-up vessel (7) top is connected with described modular filter tank (9) bottom by pipeline, described modular filter tank (9) top is connected with described Windspout freezer (8) entrance, be provided with described filtering net (6) in described front-end sampling pipeline (1), described water washed filter tank (4) roof and side wall upper part are evenly distributed with through hole, are provided with hydrogen sulfide filtering layer in described modular filter tank (9).
2. one according to claim 1 is used for coke oven sample gas pre-processing device, it is characterized in that: described Combined water cleaning of evaporator (3) bottom, organic hold-up vessel (7) bottom and modular filter tank (9) bottom are connected with blow-off line (11) respectively.
3. one according to claim 1 and 2 is used for coke oven sample gas pre-processing device, it is characterized in that: in described Combined water cleaning of evaporator (3), the top of water washed filter tank (4) is provided with Fine spray shower nozzle (13), the water inlet pipe of described Fine spray shower nozzle (13) is provided with water cooler (14).
4. one according to claim 3 is used for coke oven sample gas pre-processing device, it is characterized in that: the sidewall of described Combined water cleaning of evaporator (3) is connected with overflow spout (16).
5. one according to claim 1 and 2 is used for coke oven sample gas pre-processing device, it is characterized in that: described Combined water cleaning of evaporator (3) bottom is provided with tar settler (2), and described tar settler (2) is communicated with blow-off line (11).
6. one according to claim 1 and 2 is used for coke oven sample gas pre-processing device, it is characterized in that: the top of described organic hold-up vessel (7) is provided with funnel (15), and described funnel (15) neck is provided with seal valve.
7. one according to claim 1 and 2 is used for coke oven sample gas pre-processing device, it is characterized in that: the top of described modular filter tank (9) is provided with anti-blowpipe (18), and described anti-blowpipe (18) is provided with seal valve.
8. one according to claim 1 and 2 is used for coke oven sample gas pre-processing device, it is characterized in that: described modular filter tank (9) bottom is connected with solution storage tanks (10), and described solution storage tanks (10) is communicated with blow-off line (11).
9. one according to claim 1 and 2 is used for coke oven sample gas pre-processing device, it is characterized in that: be also provided with activated carbon granule filtering layer in described modular filter tank (9), described activated carbon granule filtering layer is positioned at the below of described hydrogen sulfide filtering layer.
10. one according to claim 1 is used for coke oven sample gas pre-processing device, it is characterized in that: the outlet of described Windspout freezer (8) connects a ultramicropore fabric filter element pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676603.9U CN204265713U (en) | 2014-11-13 | 2014-11-13 | A kind of for coke oven sample gas pre-processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676603.9U CN204265713U (en) | 2014-11-13 | 2014-11-13 | A kind of for coke oven sample gas pre-processing device |
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| Publication Number | Publication Date |
|---|---|
| CN204265713U true CN204265713U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420676603.9U Expired - Fee Related CN204265713U (en) | 2014-11-13 | 2014-11-13 | A kind of for coke oven sample gas pre-processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403699A (en) * | 2014-11-13 | 2015-03-11 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Coke oven sampling gas pretreatment device |
| CN105241729A (en) * | 2015-10-28 | 2016-01-13 | 武汉四方光电科技有限公司 | Device and method for gas analysis pretreatment |
-
2014
- 2014-11-13 CN CN201420676603.9U patent/CN204265713U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403699A (en) * | 2014-11-13 | 2015-03-11 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Coke oven sampling gas pretreatment device |
| CN104403699B (en) * | 2014-11-13 | 2017-03-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | One kind is used for coke oven sample gas pre-processing device |
| CN105241729A (en) * | 2015-10-28 | 2016-01-13 | 武汉四方光电科技有限公司 | Device and method for gas analysis pretreatment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20151113 |
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| EXPY | Termination of patent right or utility model |