CN205562259U - A flue gas preprocessor for fume emission continuous monitor system - Google Patents
A flue gas preprocessor for fume emission continuous monitor system Download PDFInfo
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- CN205562259U CN205562259U CN201620282468.9U CN201620282468U CN205562259U CN 205562259 U CN205562259 U CN 205562259U CN 201620282468 U CN201620282468 U CN 201620282468U CN 205562259 U CN205562259 U CN 205562259U
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- flue gas
- filter
- monitoring system
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- preprocessor
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Abstract
The utility model discloses a flue gas preprocessor for fume emission continuous monitor system, it is including sampling pipe (1), heat tracing pipe (2), condenser (3), filter (4), adjustable rotor flow meter (5) and gas analysis appearance (6) that communicate in proper order, there is the blowback module through check valve (7) intercommunication between sampling pipe and the heat tracing pipe, the blowback module is including ball valve (8), pressure regulating filter (9), gas holder (10) and back -flushing valve (11) that communicate in proper order, back -flushing valve and check valve intercommunication. The beneficial effects of the utility model are that optimize fume emission continuous monitor system device's flue gas gas circuit flow, improve the average trouble -free operating duration of online equipment, optimized the sampling flow, optimized the calibration gas circuit, very big stability and the reliability that has improved the system.
Description
Technical field
This utility model relates to on-line monitoring system of flue gas discharge, particularly for the flue gas preprocessor of flue gas discharge continuous monitoring system.
Background technology
Along with economic fast development, China sharply increases because of coal fire discharged sulfur dioxide (SO2) and nitrogen oxides (NOx), cause serious environmental pollution, therefore country has formulated corresponding laws and regulations, enterprise's solar obligation on-line monitoring system of flue gas discharge to some fume emissions, and " extraction method " on-line monitoring system of flue gas discharge is the main flow measuring method of the employing of smoke on-line monitoring system on market.It is the instrument that exhaust gas components (SO2, NOx, flue dust) and relevant Gas Parameters are carried out on-line automatic continuous monitoring by one that this patent relates to on-line monitoring system of flue gas discharge (extraction method).Use extraction method on-line monitoring system of flue gas discharge before gas sampled is analyzed, need to go out to carry out pretreatment by the fume extraction in chimney (or flue) with by smoke sampling device, enter back into analytical tool is analyzed and measure.Traditional gas circuit design is unreasonable due to design in gas preprocessing process, such as China utility model application CN201220429542.7 discloses a kind of Multi probe sampling flue gas monitoring system, this system includes: the multiple sampling probes being arranged in flue, for being sampled the flue gas in flue；Flue gas mixing arrangement, is connected with multiple sampling probes, for converging the multi-channel flue-gas that the sampling of multiple sampling probes obtains for mixed flue gas；Sampling pump, is connected with flue gas mixing arrangement, for continuous drawing flue gas, so that the flue gas in flue is sampled by multiple sampling probe；Gas analyser, is connected with sampling pump, and for being analyzed mixed flue gas composition and content, flue gas is dehumidified by system pretreatment, dust removing effects is not fully up to expectations, and pipeline easily blocks, and sampling pump water inlet causes equipment fault, and equipment calibration easily leaks gas inaccurate.
Utility model content
The technical problems to be solved in the utility model is existing smoke sampling device gas circuit design poor effect in terms of flue gas dehumidifying, dust removing effects, pipeline easily blocks, sampling pump water inlet causes equipment fault, equipment calibration easily leaks gas inaccurate, provides a kind of flue-gas treater for flue gas discharge continuous monitoring system for this.
The technical solution of the utility model is: for the flue gas preprocessor of flue gas discharge continuous monitoring system, it includes sampling tube, heat tracing pipe, condenser, filter, adjustable rotor effusion meter and the gas analyser being sequentially communicated, it is communicated with blowback module by check valve between described sampling tube and heat tracing pipe, described blowback module includes ball valve, pressure regulation filter, air accumulator and the back-flushing valve being sequentially communicated, and described back-flushing valve connects with check valve.
The improvement of such scheme is that described heat tracing pipe includes internal standard pipe and external standard pipe, described internal standard pipe connection sampling tube and condenser, and described external standard pipe one end connects other end access with heat tracing pipe outer demarcation gas circuit.
Improving further of such scheme is to access between described condenser and adjustable rotor effusion meter to have air to demarcate gas circuit.
The further improvement of such scheme is to access between described filter and adjustable rotor effusion meter to have interior demarcation gas circuit.
The further improvement of such scheme is to access between described filter and interior demarcation gas circuit to have sampling pump, on described sampling pump and be connected to choke valve.
The filter element of filter described in such scheme is white fused alumina ceramic element.
The improvement of such scheme is that described filter is built-in with humidity alarm.
The beneficial effects of the utility model are to optimize the flue gas process of gas path of flue gas discharge continuous monitoring system equipment, improve the mean time between failures of online equipment, optimize sampling flow process, optimize calibration gas circuit, very big stability and the reliability that improve system.
Accompanying drawing explanation
Fig. 1 is this utility model schematic diagram；
In figure, 1, sampling tube, 2, heat tracing pipe, 3, condenser, 4, filter, 5, adjustable rotor effusion meter, 6, gas analyser, 7, check valve, 8, ball valve, 9, pressure regulation filter, 10, air accumulator, 11, back-flushing valve, 12, outer demarcation gas circuit, 13, air demarcate gas circuit, 14, interior demarcation gas circuit, 15, sampling pump, 16, choke valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
As shown in Figure 1, this utility model includes sampling tube 1, heat tracing pipe 2, condenser 3, filter 4, adjustable rotor effusion meter 5 and the gas analyser 6 being sequentially communicated, it is communicated with blowback module by check valve 7 between described sampling tube and heat tracing pipe, described blowback module includes ball valve 8, pressure regulation filter 9, air accumulator 10 and the back-flushing valve 11 being sequentially communicated, and described back-flushing valve connects with check valve.
Process of gas path can design level and filter according to device context applying working condition, arbitrarily add combination filter, at most can set 4 grades of filtrations, and sampling gas pretreatment efficiency is high.Filter preferably employs white fused alumina ceramic element, reusable, sets humidity alarm function in its inside, when condenser fault, and filter interior humidity detection smoke moisture automatic alarm, stop sampling pump work protection gas circuit；
Blowback module can ensure that sampler timing blowback has enough gas-way inverse blow；Blowback gas circuit controls the break-make of the sampling gas circuit of sampler by back-flushing valve, to sampler purging cleaning, to improve the high temperature life of sampler, failure rate is low by check valve.Heat tracing pipe preferably uses PTFE material double pipe structure, one tunnel is used for gas sampling i.e. external standard pipe, one tunnel is internal standard pipe surely for system exogenous QI road sign, and described internal standard pipe connection sampling tube and condenser, described external standard pipe one end connects other end access with heat tracing pipe outer demarcation gas circuit 12.Simultaneously after sampling tube blocks, exogenous QI road sign fixed tube i.e. external standard pipe may act as sampling tube sampling analysis, effectively reduces the maintenance cost of equipment.
Calibration gas is demarcated gas circuit and is comprised outer demarcation gas circuit, interior demarcation gas circuit, zero gas (air) demarcates gas circuit, access between condenser and adjustable rotor effusion meter and have air to demarcate gas circuit 13, access between filter and adjustable rotor effusion meter and have interior demarcation gas circuit 14, three kinds of gas circuits are designed with electromagnetic valve and control gas path on-off, and wherein outer demarcation gas circuit calibration enters heat tracing pipe by the outer tube of heat tracing pipe through flue gas sampler and enters back into analyser；Interior demarcation gas circuit is arranged on adjustable rotor effusion meter front end and is directly entered analyser is carried out range calibration by effusion meter regulation flow；Zero gas (air) calibration gas circuit is arranged on dirt filter front, enters analyser and carry out zero gas calibration after filtering particulate in air.
Can access sampling pump 15 between filter and interior demarcation gas circuit, sampling pump also connects a choke valve 16, in the case of sampling airway blockage is obstructed, by regulation choke valve, regulates sampling flow, reduces sampling pump sampling load, promotes sampling pump working life.
This utility model is overall process of gas path after optimizing, and improves the pretreatment efficiency of flue gas discharge continuous monitoring system, and human users safeguards simply, and air channels sampling, demarcation, blowback are more practical, effectively raise the mean free error time of equipment.
Claims (7)
1. for the flue gas preprocessor of flue gas discharge continuous monitoring system, it is characterized in that sampling tube (1), heat tracing pipe (2), condenser (3), filter (4), adjustable rotor effusion meter (5) and gas analyser (6) that it includes being sequentially communicated, it is communicated with blowback module by check valve (7) between described sampling tube and heat tracing pipe, described blowback module includes ball valve (8), pressure regulation filter (9), air accumulator (10) and the back-flushing valve (11) being sequentially communicated, and described back-flushing valve connects with check valve.
2. the flue gas preprocessor for flue gas discharge continuous monitoring system as claimed in claim 1, it is characterized in that described heat tracing pipe includes internal standard pipe and external standard pipe, described internal standard pipe connection sampling tube and condenser, described external standard pipe one end connects other end access with heat tracing pipe outer demarcation gas circuit (12).
3. the flue gas preprocessor for flue gas discharge continuous monitoring system as claimed in claim 1, it is characterized in that accessing between described condenser and adjustable rotor effusion meter has air to demarcate gas circuit (13).
4. the flue gas preprocessor for flue gas discharge continuous monitoring system as claimed in claim 1, is characterized in that accessing between described filter and adjustable rotor effusion meter have interior demarcation gas circuit (14).
5. the flue gas preprocessor for flue gas discharge continuous monitoring system as claimed in claim 4, is characterized in that accessing between described filter and interior demarcation gas circuit have sampling pump (15), on described sampling pump and be connected to choke valve (16).
6. the flue gas preprocessor for flue gas discharge continuous monitoring system as claimed in claim 1, is characterized in that the filter element of described filter is white fused alumina ceramic element.
7. the flue gas preprocessor for flue gas discharge continuous monitoring system as described in claim 1-6 is arbitrary, is characterized in that described filter is built-in with humidity alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282468.9U CN205562259U (en) | 2016-04-07 | 2016-04-07 | A flue gas preprocessor for fume emission continuous monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282468.9U CN205562259U (en) | 2016-04-07 | 2016-04-07 | A flue gas preprocessor for fume emission continuous monitor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562259U true CN205562259U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620282468.9U Expired - Fee Related CN205562259U (en) | 2016-04-07 | 2016-04-07 | A flue gas preprocessor for fume emission continuous monitor system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525890A (en) * | 2017-08-10 | 2017-12-29 | 安徽省碧水电子技术有限公司 | A kind of CEMS systems of secondary correction |
| CN107957405A (en) * | 2018-01-11 | 2018-04-24 | 太原海纳辰科仪器仪表有限公司 | A kind of portable infrared flue gas analyzer |
| CN108593820A (en) * | 2018-05-14 | 2018-09-28 | 铜陵蓝光电子科技有限公司 | A kind of stationary source volatile organic matter（VOCS）On-line monitoring system samples preprocessor |
| CN109541141A (en) * | 2018-11-27 | 2019-03-29 | 汇众翔环保科技股份有限公司 | A kind of small air mass monitoring system and analysis method |
| CN109876613A (en) * | 2019-01-23 | 2019-06-14 | 许昌许继软件技术有限公司 | Air generator |
| CN110261540A (en) * | 2019-04-01 | 2019-09-20 | 南京安荣信电子科技有限公司 | Gaseous pollutant sampling probe and its application method with motoring condition switching valve |
| CN112213405A (en) * | 2019-07-12 | 2021-01-12 | 上海博馨环境技术工程有限公司 | Compound VOCs on-line monitoring system |
| CN112611693A (en) * | 2020-11-30 | 2021-04-06 | 天津华能杨柳青热电有限责任公司 | Flue gas measurement system based on gas purification device |
-
2016
- 2016-04-07 CN CN201620282468.9U patent/CN205562259U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525890A (en) * | 2017-08-10 | 2017-12-29 | 安徽省碧水电子技术有限公司 | A kind of CEMS systems of secondary correction |
| CN107957405A (en) * | 2018-01-11 | 2018-04-24 | 太原海纳辰科仪器仪表有限公司 | A kind of portable infrared flue gas analyzer |
| CN108593820A (en) * | 2018-05-14 | 2018-09-28 | 铜陵蓝光电子科技有限公司 | A kind of stationary source volatile organic matter（VOCS）On-line monitoring system samples preprocessor |
| CN109541141A (en) * | 2018-11-27 | 2019-03-29 | 汇众翔环保科技股份有限公司 | A kind of small air mass monitoring system and analysis method |
| CN109876613A (en) * | 2019-01-23 | 2019-06-14 | 许昌许继软件技术有限公司 | Air generator |
| CN110261540A (en) * | 2019-04-01 | 2019-09-20 | 南京安荣信电子科技有限公司 | Gaseous pollutant sampling probe and its application method with motoring condition switching valve |
| CN112213405A (en) * | 2019-07-12 | 2021-01-12 | 上海博馨环境技术工程有限公司 | Compound VOCs on-line monitoring system |
| CN112611693A (en) * | 2020-11-30 | 2021-04-06 | 天津华能杨柳青热电有限责任公司 | Flue gas measurement system based on gas purification device |
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| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180407 |