CN203396763U - Performance evaluation device for mercury removal adsorbent - Google Patents
Performance evaluation device for mercury removal adsorbent Download PDFInfo
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- CN203396763U CN203396763U CN201320366296.XU CN201320366296U CN203396763U CN 203396763 U CN203396763 U CN 203396763U CN 201320366296 U CN201320366296 U CN 201320366296U CN 203396763 U CN203396763 U CN 203396763U
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- evaluating performance
- demercuration adsorbent
- adsorbent device
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Abstract
The utility model discloses a performance evaluation device for a mercury removal adsorbent. The device comprises a gas distribution unit, a reaction unit, a detection unit and a tail gas treatment unit, wherein the gas distribution unit and the detection unit are connected with the reaction unit through a pipeline respectively; the tail gas treatment unit is connected with the detection unit through a pipeline. According to the evaluation device, each unit is reasonable in design, and the gas distribution unit can be used for well simulating the flue gas condition on the spot so that the performance of the prepared mercury removal adsorbent can be conveniently and rapidly detected.
Description
Technical field
The utility model relates to chemisorption purification techniques field, particularly relates to a kind of demercuration adsorbent device for evaluating performance.
Background technology
The anthropogenic discharge of mercury comprises combustion of fossil fuel, waste incineration, metal smelt, cement industry and vehicle exhaust etc.In China, coal-burning power plant and metallurgical industry are maximum mercury emissions sources.Coal is as the main primary energy of China, and consumption is large and be the trend of cumulative year after year, and therefore coal-fired mercury pollution is controlled very important.
Demercuration adsorbent is a kind of porous material, and the absorption that is widely used in Mercury In Coal Combustion Flue Gas is reclaimed.Very active to the research of demercuration adsorbent both at home and abroad, in research process, need the various performances of demercuration adsorbent to evaluate, such as: demercuration rate, denitration rate etc.The existing evaluation major part to demercuration adsorbent is all to carry out at coal fired plant scene, complicated operation, and process is long, and efficiency is low.Boiler flue complex structure, gas componant alters a great deal, and the selection of the position of different sampling spots, the acquisition method of gaseous sample and analytical instrument experimental technique all can affect measurement result.Adopt unified test condition to weigh the adsorption effect of different mercury absorbents necessary.
Utility model content
Based on this, the purpose of this utility model be to provide a kind of efficiently, demercuration adsorbent device for evaluating performance easily.
Concrete technical scheme is as follows:
A kind of demercuration adsorbent device for evaluating performance, comprise distribution unit, reaction member, detecting unit and tail gas treating unit, described distribution unit is connected with reaction member by pipeline respectively with detecting unit, and described tail gas treating unit is connected with detecting unit by pipeline.
Therein in an embodiment, described distribution unit comprises mercury vapour generator, steam evaporator and for the gas cylinder of simulated flue gas.This distribution unit can simulate scene smoke condition
In an embodiment, described reacton is fixed bed reactors therein, and described fixed bed reactors are divided into preheating section and conversion zone.There is the situation of same flow section excessive temperature differentials in preheating section, also plays the effect in Liao Hunqi pond in the time of can avoiding heating.
In an embodiment, described detecting unit is mercury vapor analyzer therein.
In an embodiment, described tail gas treating unit is activated charcoal tourie therein.Can effectively avoid secondary pollution.
In an embodiment, be also provided with a by-pass unit between described distribution unit and described reaction member therein, described by-pass unit is connected with the second activated charcoal tourie, can be used for testing the mercury concentration that front calibration debugging mercury vapour generator produces.
In an embodiment, the material of described pipeline is teflon or quartz therein.Adopt teflon or the quartzy interference to experiment that can avoid rubber and metal.
The beneficial effects of the utility model:
1) each Unit Design of demercuration adsorbent device for evaluating performance of the present utility model is reasonable, and the smoke condition that wherein distribution unit can simulate scene, can carry out Performance Detection to the demercuration adsorbent preparing quickly and easily.
2) the utility model demercuration adsorbent device for evaluating performance adopts the Cavkit10.534 nonvalent mercury generator of Britain PS Analytical company, and the nonvalent mercury concentration conditions scope of generation is very large and degree of regulation is high.
3) all pipelines adopt polytetrafluoro or quartzy pipeline, and have 100 ℃ of above companion's heat, and mercury is not easy to attach on pipeline, and experimental result error is very little.
4) fixed bed reactors are divided into preheating section and conversion zone.There is the situation of same flow section excessive temperature differentials in preheating section, also plays the effect in Liao Hunqi pond in the time of can avoiding heating.
5) tail gas absorptive unit adopts charcoal canister, can effectively avoid secondary pollution.
Accompanying drawing explanation
Fig. 1 is the device for evaluating performance figure of the utility model demercuration adsorbent.
Description of reference numerals:
10, distribution unit; 20, reaction member; 30, detecting unit; 40, tail gas treating unit; 50, by-pass unit; 101, mercury vapour generator; 102, steam evaporator; 103, balance; 104, gas cylinder; 201, fixed bed reactors; 301, mercury vapor analyzer; 401, the first activated charcoal tourie; 501, the second activated charcoal tourie.
Embodiment
With reference to figure 1, a kind of demercuration adsorbent device for evaluating performance of the utility model, comprise distribution unit 10, reaction member 20, detecting unit 30 and tail gas treating unit 40, described distribution unit 10 is connected with reaction member 20 by pipeline respectively with detecting unit 30, and described tail gas treating unit 50 is connected with detecting unit 30 by pipeline.
Described distribution unit 10 comprises mercury vapour generator 101, steam evaporator 102 and for the gas cylinder 104 of simulated flue gas.Described reacton 20 is fixed bed reactors 201, and described fixed bed reactors are divided into preheating section and conversion zone.Described detecting unit 30 is mercury vapor analyzer 301.Described tail gas treating unit 40 is the first activated charcoal tourie 401.Between described distribution unit and described reaction member, be also provided with a by-pass unit 50, described by-pass unit 50 is connected with the second activated charcoal tourie 501.
The material of described pipeline is teflon or quartz.
Experiment is used the RA915 mercury vapor analyzer of Lumex company as gaseous state nonvalent mercury analyser.The Cavkit10.534 nonvalent mercury generator of the Britain PS Analytical company that the generation of nonvalent mercury is used, the Hovacal steam generator of German IAS company is used in the generation of water vapor.The measurement of adsorbent solid mercury adopts Lumex RA915M solid mercury vapor analyzer.
The step that employing the utility model demercuration adsorbent device for evaluating performance carries out benchmark test is as follows:
(1) before experiment, according to the order of deionized water, 10%wt nitric acid, deionized water, the adsorbent stay pipe in fixed bed reactors is cleaned 3 times, finally with absolute ethyl alcohol, wash 1 time.Logical pure nitrogen gas purges the residual gas in reactor clean.
(2) by the quartz fibre filter membrane pad that meets quartz sand sieve plate size on sieve plate.Get 0.5g adsorbent to be measured and evenly mix with 5g40～60 object silica sand, put on the fixture bed experiment platform adsorbent bracing frame shown in Fig. 1 and test.Described silica sand is the pure silica sand through washing, red fuming nitric acid (RFNA) immersion and 500 ℃ of calcinings.
(3) adsorbent stay pipe is arranged on fixed bed reactors, reactor outlet pipeline and Lumex RA915M mercury vapor analyzer are connected, close all gas and detect all companion's heat and all open, wait for the adsorbent bed temperature of reaction that rises to.
(4), after preheating, pass into the nitrogen of 2L/min, detection system impermeability.
(5) before each experiment, Lumex mercury vapor analyzer is carried out to Zero calibration, the flow that regulates airshed need to feed to experiment.The in the situation that of bypass nonvalent mercury steam, open the nitrogen that connects mercury source and steam evaporator, the peristaltic pump of opening Hovacal steam evaporator regulates to water speed.Setting entrance total mercury concentration is 20～40 μ g/m
3, the total tolerance of simulated flue gas is 2L/min, wherein contains 500ppmSO
2, 300ppmNO, 12.6ppmHCl, 6%O
2, 12%CO
2, 8%H
2o, all the other use N
2balance.Temperature of reaction is 140 ℃.
Etc. (6) after 5 minutes, all flows reach stable, and the nonvalent mercury steam of bypass is passed in reactor, start timing, and experimental period is 1 hour.
Above-mentioned demercuration adsorbent device for evaluating performance tool has the following advantages:
1) each Unit Design of demercuration adsorbent device for evaluating performance of the present utility model is reasonable, and the smoke condition that wherein distribution unit can simulate scene, can carry out Performance Detection to the demercuration adsorbent preparing quickly and easily.
2) the utility model demercuration adsorbent device for evaluating performance adopts the Cavkit10.534 nonvalent mercury generator of Britain PS Analytical company, and the nonvalent mercury concentration conditions scope of generation is very large and degree of regulation is high.
3) all pipelines adopt polytetrafluoro or quartzy pipeline, and have 100 ℃ of above companion's heat, and mercury is not easy to attach on pipeline, and experimental result error is very little.
4) fixed bed reactors are divided into preheating section and conversion zone.There is the situation of same flow section excessive temperature differentials in preheating section, also plays the effect in Liao Hunqi pond in the time of can avoiding heating.
5) tail gas absorptive unit adopts activated charcoal tourie tank, can effectively avoid secondary pollution.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a demercuration adsorbent device for evaluating performance, it is characterized in that, comprise distribution unit, reaction member, detecting unit and tail gas treating unit, described distribution unit is connected with reaction member by pipeline respectively with detecting unit, and described tail gas treating unit is connected with detecting unit by pipeline.
2. demercuration adsorbent device for evaluating performance according to claim 1, is characterized in that, described distribution unit comprises mercury vapour generator, steam evaporator and for the gas cylinder of simulated flue gas.
3. demercuration adsorbent device for evaluating performance according to claim 1, is characterized in that, described reacton is fixed bed reactors, and described fixed bed reactors are divided into preheating section and conversion zone.
4. demercuration adsorbent device for evaluating performance according to claim 1, is characterized in that, described detecting unit is mercury vapor analyzer.
5. demercuration adsorbent device for evaluating performance according to claim 1, is characterized in that, described tail gas treating unit is the first activated charcoal tourie.
6. according to the demercuration adsorbent device for evaluating performance described in claim 1-5 any one, it is characterized in that, between described distribution unit and described reaction member, be also provided with a by-pass unit, described by-pass unit is connected with the second activated charcoal tourie.
7. according to the demercuration adsorbent device for evaluating performance described in claim 1-5 any one, it is characterized in that, the material of described pipeline is teflon or quartz.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320366296.XU CN203396763U (en) | 2013-06-24 | 2013-06-24 | Performance evaluation device for mercury removal adsorbent |
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|---|---|---|---|
| CN201320366296.XU CN203396763U (en) | 2013-06-24 | 2013-06-24 | Performance evaluation device for mercury removal adsorbent |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983748A (en) * | 2014-06-05 | 2014-08-13 | 北京国电清新环保技术股份有限公司 | Method and device for testing active coke desulfurization and denitration performance characterization |
| CN104076123A (en) * | 2014-06-03 | 2014-10-01 | 广东电网公司电力科学研究院 | Experiment system for researching release characteristic of mercury in mixed combustion smoke of sludge and coal |
| CN104459031A (en) * | 2014-10-24 | 2015-03-25 | 无锡雪浪环境科技股份有限公司 | Test device for testing smoke purifying property of adsorption material |
| CN107045001A (en) * | 2017-01-09 | 2017-08-15 | 天津大学 | A kind of device for measuring carbon dioxide adsorption heat |
| CN107308807A (en) * | 2017-05-03 | 2017-11-03 | 辽宁石油化工大学 | A kind of experimental provision for simulating industrial smoke dry desulfurization |
| CN108107161A (en) * | 2017-12-27 | 2018-06-01 | 中国科学院北京综合研究中心 | Evaluate the device of oxidation state mercury sorbing material performance |
| CN108469481A (en) * | 2018-03-21 | 2018-08-31 | 广东电网有限责任公司电力科学研究院 | A kind of test method and test device of performance of the adsorbent |
| CN109061033A (en) * | 2018-07-10 | 2018-12-21 | 华电电力科学研究院有限公司 | SCR denitration demercuration integration catalyst integrated experiment device and test method |
| CN109060591A (en) * | 2018-07-12 | 2018-12-21 | 天津大学 | A kind of evaluating apparatus and evaluation method for escaping gas performance of the adsorbent |
| CN109387465A (en) * | 2018-11-09 | 2019-02-26 | 上海电力学院 | A kind of experiment porch for simulating coal-fired plant flue gas pollutant removing |
| CN109425566A (en) * | 2017-08-21 | 2019-03-05 | 中科京投环境科技江苏有限公司 | A kind of performance test methods of mercury adsorbent material |
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2013
- 2013-06-24 CN CN201320366296.XU patent/CN203396763U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076123A (en) * | 2014-06-03 | 2014-10-01 | 广东电网公司电力科学研究院 | Experiment system for researching release characteristic of mercury in mixed combustion smoke of sludge and coal |
| CN103983748A (en) * | 2014-06-05 | 2014-08-13 | 北京国电清新环保技术股份有限公司 | Method and device for testing active coke desulfurization and denitration performance characterization |
| CN103983748B (en) * | 2014-06-05 | 2016-03-09 | 北京清新环境技术股份有限公司 | A kind of active coke desulphurizing denitration performance characterization test method and device thereof |
| CN104459031A (en) * | 2014-10-24 | 2015-03-25 | 无锡雪浪环境科技股份有限公司 | Test device for testing smoke purifying property of adsorption material |
| CN107045001A (en) * | 2017-01-09 | 2017-08-15 | 天津大学 | A kind of device for measuring carbon dioxide adsorption heat |
| CN107308807A (en) * | 2017-05-03 | 2017-11-03 | 辽宁石油化工大学 | A kind of experimental provision for simulating industrial smoke dry desulfurization |
| CN109425566A (en) * | 2017-08-21 | 2019-03-05 | 中科京投环境科技江苏有限公司 | A kind of performance test methods of mercury adsorbent material |
| CN108107161A (en) * | 2017-12-27 | 2018-06-01 | 中国科学院北京综合研究中心 | Evaluate the device of oxidation state mercury sorbing material performance |
| CN108469481A (en) * | 2018-03-21 | 2018-08-31 | 广东电网有限责任公司电力科学研究院 | A kind of test method and test device of performance of the adsorbent |
| CN109061033A (en) * | 2018-07-10 | 2018-12-21 | 华电电力科学研究院有限公司 | SCR denitration demercuration integration catalyst integrated experiment device and test method |
| CN109060591A (en) * | 2018-07-12 | 2018-12-21 | 天津大学 | A kind of evaluating apparatus and evaluation method for escaping gas performance of the adsorbent |
| CN109387465A (en) * | 2018-11-09 | 2019-02-26 | 上海电力学院 | A kind of experiment porch for simulating coal-fired plant flue gas pollutant removing |
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