CN201440118U - Gas sampling and handling device of novel coke oven - Google Patents
Gas sampling and handling device of novel coke oven Download PDFInfo
- Publication number
- CN201440118U CN201440118U CN2009201086945U CN200920108694U CN201440118U CN 201440118 U CN201440118 U CN 201440118U CN 2009201086945 U CN2009201086945 U CN 2009201086945U CN 200920108694 U CN200920108694 U CN 200920108694U CN 201440118 U CN201440118 U CN 201440118U
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- gas
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- coke oven
- sample
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- 238000005070 sampling Methods 0.000 title claims abstract description 37
- 239000000571 coke Substances 0.000 title claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 abstract description 18
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 abstract description 3
- 238000006297 dehydration reaction Methods 0.000 abstract description 3
- 239000003595 mist Substances 0.000 abstract description 3
- 239000011259 mixed solution Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 52
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a gas sampling and handling device of a novel coke oven, comprising a heated sampling probe which stretches into the coke oven gas process pipe, a sample gas transmission pipeline which is connected with the heated sampling probe, wherein, the other end of the sample gas transmission pipeline is connected with a gas sample inlet at top of a scrubber tank, and the inside of the scrubber tank is provided with scrub solution, and an inner pipe for inserting into the scrub solution is connected below the sample gas inlet, and the head of the inner pipe is provided with a gas diffusion micropore, and a sample gas outlet at top of the scrubber tank is connected with a receiving adapter of an analytical instrument through pipeline and sequentially passes through a gas-oil separator, a condenser of compressor, a dust filter, a sampling pump, and an impingement. In the gas sampling and handling device of the novel coke oven, impurities which is easy to block the gas channel is removed from extracted sample gas through the washing of organic mixed solution, and then dehydration is cooled, and clean and dry gas is obtained after precision filter and oil mist separation. And the utility model is mainly used for safety monitoring of coke oven gas recycling process in coke production, and also can be expandedly applied to gas recovery and other fields in CDQ method of metallurgical industry.
Description
Technical field
The utility model relates to a kind of sample gas sampling of online sample gas analysis system and the sampling and the treating apparatus for the treatment of apparatus, particularly a kind of coke-oven gas.
Background technology
Coke-oven gas is the secondary product of coke-oven plant in coke production, can be as the available resources in the energy-saving and emission-reduction.In to the coke-oven gas processing procedure,, must carry out on-line monitoring and control to the oxygen in the coal gas for protecting the safety of electricity shop tar device.In the present oxygen content monitoring, difficult point is the sampling and the pre-service of sample gas.Because coke-oven gas composition more complicated, obstructions of when temperature reduces, condensing of the tar in the gas, materials such as naphthalene, tar easy thickness when temperature is lower results in blockage, and naphthalene is understood the crystallization blocking pipeline 85 below spending, and causes the analytical instrument can't operate as normal.Because at present that is that all right is ripe for sample gas disposal technology, many coke-oven plants do not have the abnormal operation of monitoring equipment or monitoring equipment, thereby do not reach sample gas disposal effect, exist big potential safety hazard in process of production.
Coke-oven gas measure of oxygen content method commonly used at present has two kinds:
A kind of is the direct method of measurement (being that laser in-situ is installed method), is that measurement mechanism is directly installed on the pipeline, does not need sampling and pre-service, does not almost measure retardation time.But because the tar in the coke-oven gas compares thickness, be easy to pollute optical mirror slip, and problem that can't solve on-line calibration of original position installation, so method fails to promote the use of.
The 2nd, steam sprays sampling method, is to utilize the venturi sampling apparatus, is that power is with coal gas extraction and condensation dehydration with steam.Owing to impurity such as tar and naphthalene are not specifically removed, just it is taken away with condensate water, still can not solve blocking problem.Though so there is this type of device to use at the scene at present, but fail to solve root problem, and can not get promoting.
The utility model content
The utility model provides sampling of a kind of novel coke oven gas and treating apparatus, the sampling and the handling problem that solve sample gas in the coke-oven gas measure of oxygen content, and impurity easily stops up and can not make the problem of analytical instrument operate as normal.
The technical scheme that its technical matters that solves the utility model adopts is:
This novel coke oven gas sampling and treating apparatus, it is characterized in that: this device comprises the heating sampling probe that stretches into coke-oven gas process pipe inside, and the heating sample gas transfer line that sampling probe connected, the sample gas transfer line other end is connected with the sample gas inlet at volume tank top, cleansing solution is equipped with in volume tank inside, and below sample gas inlet, be connected with the interior pipe that inserts cleansing solution, interior tube head has the gaseous diffusion micropore, the outlet of the sample gas at volume tank top again by pipeline successively through oil-gas separator, the compressor condenser, dust filter unit, sampling pump, impingement is taken over analytical instrument and is linked to each other;
The sewage draining exit of described volume tank bottom is connected with Drainage tank through blowoff valve, and the fluid infusion mouth at volume tank top links to each other for additional mouthful through make-up valve and cleansing solution;
Described compressor condenser bottom is connected with freeing port through water tank;
Pipeline between described sampling pump and the impingement also is connected with bypass branch, and is connected with drain through the flowmeter on the bypass branch.
The gaseous diffusion micro-pore diameter of tube head can be below 1mm in described.
The beneficial effects of the utility model are as follows:
The sample gas that the utility model is come extraction deviates to be easy to stop up the impurity of gas circuit through the washing of organic mixed solution, cooled dehydrated then, and secondary filter, mist of oil become the gas of clean dried after separating, thereby satisfy the demand of analytical instrument.Extraction process adopts heating sampling probe and sample gas transfer line, and enter cleansing solution irritate before whole process carry out heating and protection, can prevent from that temperature is low excessively to result in blockage.The gas that feeds cleansing solution adopts the mode of micropore bubbling, allows sample gas fully contact with liquid, to remove impurity as far as possible.Draw by experiment, pore size just can reach good clean result in 1mm.The volume tank top also is reserved with fluid infusion mouth and sewage draining exit, and conveniently replaced liquid also can make sample gas enter scrubber and can keep constant temperature.Sample gas after the processing is through condenser dehydration and de-oiling, and the filtration of process accurate filter, after the oil mist trapping device is removed the oily vapour of volatileness, enters analyser to avoid the cleansing solution volatile matter.
The utility model is mainly used in the coke production coke-oven gas and utilizes the process safe monitoring again, also can expand the fields such as coal-gas recovering that are applied in the metallurgy industry dry coke quenching method.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of volume tank.
Reference numeral: 1-heats sampling probe, 2-sample gas transfer line, the 3-volume tank, the 4-cleansing solution, 5-sample gas inlet, 6-fluid infusion mouth, the 7-make-up valve, the 8-cleansing solution replenishes mouth, the outlet of 9-sample gas, the 10-oil-gas separator, 11-compressor condenser, the 12-dust filter unit, the 13-sampling pump, the 14-impingement, the 15-analytical instrument is taken over, the 16-water tank, the 17-freeing port, the 18-flowmeter, the 19-drain, the 20-blowoff valve, the 21-Drainage tank, the 22-sewage draining exit, pipe in the 23-, 24-coke-oven gas process pipe.
Embodiment
Embodiment is referring to shown in Figure 1, this novel coke oven gas sampling and treating apparatus, comprise the heating sampling probe 1 that stretches into coke-oven gas process pipe 24 inside, and the heating sample gas transfer line 2 that sampling probe connected, heating sampling probe and sample gas transfer line constant temperature 120 degree, and the temperature that the sample gas of heating enters before the volume tank still will remain on more than 100 degree, to prevent the dead angle, prevents that partial condensation from stopping up and influence the use of whole device.Avoid mounted valve, joint, reducing etc. to be easy to generate the element of vapour lock at the heating sampling probe to the heating pipeline between the volume tank as far as possible, keep the smoothness of gas circuit.The sample gas transfer line other end is connected with the sample gas inlet 5 at volume tank top, the sample gas outlet 9 at volume tank top is taken over 15 through oil-gas separator 10, compressor condenser 11, dust filter unit 12, sampling pump 13, impingement 14 with analytical instrument successively by pipeline again and is linked to each other, the sewage draining exit 22 of volume tank bottom is connected with Drainage tank 21 through blowoff valve 20, and the fluid infusion mouth 6 at volume tank top links to each other for additional mouthful 8 through make-up valve 7 and cleansing solution.
Described compressor condenser 11 bottoms are connected with freeing port 17 through water tank 16.
Pipeline between described sampling pump 13 and the impingement 14 also is connected with bypass branch, and is connected with drain 19 through the flowmeter 18 on the bypass branch.
Referring to shown in Figure 2, cleansing solution 4 is equipped with in volume tank 3 inside, is connected with the interior pipe 23 that inserts cleansing solution below sample gas inlet, and interior tube head has the following gaseous diffusion micropore of diameter 1mm.
The volume of volume tank is unsuitable excessive, greatly not only takes up room very much, and liquid also can cause the hysteresis in sampling time when discontented.Volume tank will have fluid infusion mouth and sewage draining exit, so that online replacing cleansing solution and do not influence measurement result.Owing to there is sampling pump to extract in the single unit system, only need open fluid infusion mouth valve when changing cleansing solution can direct suction.
The composition of cleansing solution can be kerosene+washing oil, and its proportioning is 3: 1.Because the washing oil main application is materials such as dissolving benzene and naphthalene, and kerosene has the effect of dilution dissolving to tar, do not contain the material that benzene, naphthalene, tar etc. are easy to stop up gas circuit so advance this, in the operation of following one cooled dehydrated, can avoid the blockage problem that produces owing to the cooling of sample gas by the sample gas behind the cleansing solution.
According to site test results, under the situation of sample gas sample flow at 1-5L/min, the cleansing solution replacement cycle of about 5L is about 15-20 days.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (2)
1. a novel coke oven gas is sampled and treating apparatus, it is characterized in that: this system comprises the heating sampling probe (1) that stretches into coke-oven gas process pipe (24) inside, and the heating sample gas transfer line (2) that sampling probe connected, the sample gas transfer line other end is connected with the sample gas inlet (5) at volume tank top, cleansing solution (4) is equipped with in volume tank (3) inside, and below sample gas inlet, be connected with the interior pipe (23) that inserts cleansing solution, interior tube head has the gaseous diffusion micropore, the sample gas at volume tank top outlet (9) again by pipeline successively through oil-gas separator (10), compressor condenser (11), dust filter unit (12), sampling pump (13), impingement (14) is taken over (15) with analytical instrument and is linked to each other;
The sewage draining exit (22) of described volume tank bottom is connected with Drainage tank (21) through blowoff valve (20), and the fluid infusion mouth (6) at volume tank top replenishes mouthful (8) through make-up valve (7) and cleansing solution and links to each other;
Described compressor condenser (11) bottom is connected with freeing port (17) through water tank (16);
Pipeline between described sampling pump and the impingement also is connected with bypass branch, and is connected with drain (19) through the flowmeter (18) on the bypass branch.
2. novel coke oven gas sampling according to claim 1 and treating apparatus, it is characterized in that: the gaseous diffusion micro-pore diameter of tube head is below 1mm in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201086945U CN201440118U (en) | 2009-06-03 | 2009-06-03 | Gas sampling and handling device of novel coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201086945U CN201440118U (en) | 2009-06-03 | 2009-06-03 | Gas sampling and handling device of novel coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440118U true CN201440118U (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201086945U Expired - Lifetime CN201440118U (en) | 2009-06-03 | 2009-06-03 | Gas sampling and handling device of novel coke oven |
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| Country | Link |
|---|---|
| CN (1) | CN201440118U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706712A (en) * | 2012-06-15 | 2012-10-03 | 智胜化工股份有限公司 | Method and device for absorbing preposed heat tracing ammonia of ammonia desulphurization smoke gas emission monitoring and analyzing mechanism |
| CN103123308A (en) * | 2011-11-18 | 2013-05-29 | 佛山市南华仪器股份有限公司 | Preposed sample gas treatment device of hot-air heating type diesel vehicle discharged sewage analyzer |
| CN103471877A (en) * | 2013-09-29 | 2013-12-25 | 中国寰球工程公司 | System for sampling and component analysis of natural gas generated after absorption tower deacidification |
| 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 |
| CN104713764A (en) * | 2015-04-09 | 2015-06-17 | 新兴铸管股份有限公司 | Drainage device of converter gas analyzer |
| CN105203355A (en) * | 2014-06-24 | 2015-12-30 | 上海宝钢化工有限公司 | Coke oven gas sampling device and method |
| CN106190338A (en) * | 2016-08-26 | 2016-12-07 | 王小龙 | A kind of chemical industry source of the gas washing refrigerating plant |
| CN107063755A (en) * | 2017-05-29 | 2017-08-18 | 四川沃洛佳科技有限公司 | A kind of unmanned plane water sampling method |
| RU2635611C2 (en) * | 2012-01-27 | 2017-11-14 | ЭсДжиЭс НОРТ АМЕРИКА ИНК. | Composite sampling of fluid mediums |
| CN110018038A (en) * | 2019-05-22 | 2019-07-16 | 湖南千盟智能信息技术有限公司 | A kind of coke-stove gas ammonia on-line analysis pretreatment system and its application method |
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2009
- 2009-06-03 CN CN2009201086945U patent/CN201440118U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123308A (en) * | 2011-11-18 | 2013-05-29 | 佛山市南华仪器股份有限公司 | Preposed sample gas treatment device of hot-air heating type diesel vehicle discharged sewage analyzer |
| CN103123308B (en) * | 2011-11-18 | 2015-04-01 | 佛山市南华仪器股份有限公司 | Preposed sample gas treatment device of hot-air heating type diesel vehicle discharged sewage analyzer |
| RU2635611C2 (en) * | 2012-01-27 | 2017-11-14 | ЭсДжиЭс НОРТ АМЕРИКА ИНК. | Composite sampling of fluid mediums |
| CN102706712A (en) * | 2012-06-15 | 2012-10-03 | 智胜化工股份有限公司 | Method and device for absorbing preposed heat tracing ammonia of ammonia desulphurization smoke gas emission monitoring and analyzing mechanism |
| CN103471877B (en) * | 2013-09-29 | 2016-09-28 | 中国寰球工程公司 | Natural gas sampling after the deacidification of a kind of absorption tower and component analysis system |
| CN103471877A (en) * | 2013-09-29 | 2013-12-25 | 中国寰球工程公司 | System for sampling and component analysis of natural gas generated after absorption tower deacidification |
| CN105203355A (en) * | 2014-06-24 | 2015-12-30 | 上海宝钢化工有限公司 | Coke oven gas sampling device and method |
| 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 |
| CN104713764A (en) * | 2015-04-09 | 2015-06-17 | 新兴铸管股份有限公司 | Drainage device of converter gas analyzer |
| CN106190338A (en) * | 2016-08-26 | 2016-12-07 | 王小龙 | A kind of chemical industry source of the gas washing refrigerating plant |
| CN107063755A (en) * | 2017-05-29 | 2017-08-18 | 四川沃洛佳科技有限公司 | A kind of unmanned plane water sampling method |
| CN107063755B (en) * | 2017-05-29 | 2023-05-05 | 四川沃洛佳科技有限公司 | Unmanned aerial vehicle water sample collection method |
| CN110018038A (en) * | 2019-05-22 | 2019-07-16 | 湖南千盟智能信息技术有限公司 | A kind of coke-stove gas ammonia on-line analysis pretreatment system and its application method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |