CN202101931U - Flue gas extraction and analysis device adopting hot method - Google Patents
Flue gas extraction and analysis device adopting hot method Download PDFInfo
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- CN202101931U CN202101931U CN2011202096443U CN201120209644U CN202101931U CN 202101931 U CN202101931 U CN 202101931U CN 2011202096443 U CN2011202096443 U CN 2011202096443U CN 201120209644 U CN201120209644 U CN 201120209644U CN 202101931 U CN202101931 U CN 202101931U
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Abstract
The utility model discloses a flue gas extraction and analysis device adopting a hot method, which has small measuring error, high reliability, convenience in maintenance, and excellent system expansibility. Aiming to solve the technical problems, the device provided by the utility model adopts the technical scheme that a tracing pipe, a filter, a three-way valve, a measurement pool and a high-temperature extraction pump are connected in a matched manner sequentially, wherein one port of the three-way valve is connected with a backblowing gas source; a calibration gas source is connected between the three-way valve and the gas pipe of the measurement pool; a micro differential pressure flowmeter is connected between the inlet and the outlet of the measurement pool; a light source and a detector are arranged on two sides of the measurement pool correspondingly; the filter, the three-way valve, the measurement pool and the high-temperature extraction pump are placed in a high-temperature heat tracing area; and the light source, the detector, the backblowing gas source, and the calibration gas source are placed in an ordinary-temperature area.
Description
Technical field
Utility model relates to a kind of smoke pollution source emission continuous monitor system.
Background technology
In recent years, along with the continuous development of industrial technology, the pollution of industrial gaseous waste also more and more causes environmentalist's attention, and the fume emission monitoring technology develops rapidly thereupon.The common methods of smoke pollution source emission continuous monitoring is an in-situ method; Infrared (or ultraviolet) light source, detecting device correspondence are installed on the chimney wall; The light that infrared (or ultraviolet) light source sends by tested gas institute attenuation by absorption in the chimney after; Get into detecting device,, can calculate sulphuric dioxide, oxides of nitrogen, concentration of oxygen in the tested gas through arithmetic analysis.This method exists following not enough: 1) demarcate trouble; 2) the monitoring system expansion is relatively poor; 3) measuring accuracy is low; Problem such as 4) maintenance workload is big.
The utility model content
The technical matters that the utility model will solve provides that a kind of measuring error is little, reliability is high, easy to maintenance, hot method fume extraction analytical equipment that system's expansion is good
For addressing the above problem; The technical scheme that the utility model adopts comprises trace pipe, filtrator, T-valve, measuring cell and the high temperature aspiration pump that cooperation successively links to each other; Said T-valve one port connects the blowback source of the gas; Connect between said T-valve and the measuring cell tracheae and demarcate source of the gas, connect the elementary errors pressure type flowmeter between said measuring cell is gone into/exported, said measuring cell both sides correspondence is provided with light source and detecting device; Said filtrator, T-valve, measuring cell and high temperature aspiration pump place high temperature companion hot-zone, and said light source, detecting device, blowback source of the gas and demarcation source of the gas place the normal temperature district.
Described hot method fume extraction analytical equipment is characterized in that said T-valve is the electric three-way ball valve.
Described hot method fume extraction analytical equipment is characterized in that said high temperature aspiration pump is high temperature resistant membrane pump, High-temperature Magnetic Pump or jetting pump.
Described hot method fume extraction analytical equipment is characterized in that said light source is ultraviolet xenon lamp or infrared light supply, and said detecting device is fiber spectrometer or pyroelectric sensor.
How the hot method fume extraction analytical equipment of such scheme has beneficial effect:
1, overall flow paths is in the high temperature companion thermal region, can guarantee that the aqueous vapor in the flue gas can not be condensed, and avoids condensate water to absorb sulfur in smoke, cause the sulphuric dioxide measurement result inaccurate, and the flow path device produces corrosion;
2, tested gas is to filter the back through filtrator to measure, can avoid because dust causes the measurement result fluctuation, and to the pollution of optical lens;
3, can realize the automatic calibration that in-situ method can't be realized, the measurement result that causes of avoiding drifting about is forbidden;
4, adopt the elementary errors pressure type flowmeter, the pressure differential through two ends, measurement gas chamber can calculate flow velocity, in the time of can avoiding adopting conventional suspended body flowmeter, and the problem that flowmeter is damaged by high temperature, corrosive gas.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the structural representation of the utility model.
Embodiment
As shown in Figure 1, a kind of hot method fume extraction analytical equipment of the utility model comprises cooperating trace pipe 4, filtrator 1, T-valve 2, measuring cell 3 and the high temperature aspiration pump 5 that links to each other successively.T-valve 2 one ports connect blowback source of the gas 8 (the long-term continuous working of the general processing of fume extraction and analytical equipment; Therefore, dust in flue gas is understood blocking filter 1 over time; Through switch three-way valve 2; And carry out blowback through 8 pairs of filtrators of blowback source of the gas 1 and trace pipe 4, dust is blown off, guarantee that gas circuit is unimpeded).(fume extraction and analytical equipment are after operation a period of time to connect demarcation source of the gas 9 between T-valve 2 and measuring cell 3 tracheaes; Light source 6 may drift about with detecting device 7; Close automatically controlled T-valve 2; Control is demarcated source of the gas 9 and is fed calibrating gas to measuring cell 3 then, can realize fume extraction and analytical equipment are demarcated.), (elementary errors pressure type flowmeter 11 is used to monitor the flow velocity of tested gas in the measuring cell 3, if flow velocity is slack-off, filtrator 1 blocked or high temperature aspiration pump 5 inefficacies is described to connect elementary errors pressure type flowmeter 11 between measuring cell 3 is gone into/exported.), measuring cell 3 both sides correspondences are provided with light source 6 and detecting device 7, and filtrator 1, T-valve 2, measuring cell 3 and high temperature aspiration pump 5 place high temperature companion hot-zone 10, said light source 6, detecting device 7, blowback source of the gas 8 and demarcate source of the gas 9 and place normal temperature district 12.Said high temperature companion hot-zone 10 forms through heating chamber is set with normal temperature district 12, forms high temperature companion hot-zone in the heating chamber, is outward the normal temperature district.
As the preferred version of the utility model, said T-valve 2 is the electric three-way ball valve, has reliability height, high temperature resistant and advantage that corrosion resistance is strong; Said high temperature aspiration pump 5 is high temperature resistant membrane pump, High-temperature Magnetic Pump or jetting pump; Has the advantage stable, high temperature resistant and that corrosion resistance is strong of bleeding; Said light source 6 is ultraviolet xenon lamp or infrared light supply; Said detecting device 7 is fiber spectrometer or pyroelectric sensor, has the advantage that the life-span is long, detectability is strong.
Principle of work: contain the aqueous vapor of high concentration in the high-temperature gas in smoke pollution source usually, under the effect of high temperature aspiration pump 5, flue gas is via trace pipe 4, filtrator 1, T-valve 2, measuring cell 3,5 emptyings of high temperature aspiration pump; The light that light source 6 sends gets into measuring cell 3, after the gas in the measured pond 3 partially absorbs via the optical lens in measuring cell 3 left sides; Optical lens by measuring cell 3 right sides passes; Get into detecting device 7, detecting device 7 can calculate the concentration of tested gas through after light intensity is analyzed.
Claims (4)
1. hot method fume extraction analytical equipment; It is characterized in that this device comprises trace pipe (4), filtrator (1), T-valve (2), measuring cell (3) and high temperature aspiration pump (5) that cooperation successively links to each other; Said T-valve (2) one ports connect blowback source of the gas (8); Connect between said T-valve (2) and measuring cell (3) tracheae and demarcate source of the gas (9); Between going into/export, said measuring cell (3) connects elementary errors pressure type flowmeter (11); Said measuring cell (3) both sides correspondence is provided with light source (6) and detecting device (7), and said filtrator (1), T-valve (2), measuring cell (3) and high temperature aspiration pump (5) place high temperature companion hot-zone (10), and said light source (6), detecting device (7), blowback source of the gas (8) and demarcation source of the gas (9) place normal temperature district (12).
2. hot method fume extraction analytical equipment according to claim 1 is characterized in that said T-valve (2) is the electric three-way ball valve.
3. hot method fume extraction analytical equipment according to claim 1 is characterized in that said high temperature aspiration pump (5) is high temperature resistant membrane pump, High-temperature Magnetic Pump or jetting pump.
4. hot method fume extraction analytical equipment according to claim 1 is characterized in that said light source (6) is ultraviolet xenon lamp or infrared light supply, and said detecting device (7) is fiber spectrometer or pyroelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202096443U CN202101931U (en) | 2011-06-21 | 2011-06-21 | Flue gas extraction and analysis device adopting hot method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202096443U CN202101931U (en) | 2011-06-21 | 2011-06-21 | Flue gas extraction and analysis device adopting hot method |
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| CN202101931U true CN202101931U (en) | 2012-01-04 |
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| CN2011202096443U Expired - Lifetime CN202101931U (en) | 2011-06-21 | 2011-06-21 | Flue gas extraction and analysis device adopting hot method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091285A (en) * | 2012-12-29 | 2013-05-08 | 聚光科技(杭州)股份有限公司 | Laser gas analysis device and method |
| CN103439161A (en) * | 2013-08-27 | 2013-12-11 | 中绿环保科技股份有限公司 | In-place laser gas analysis instrument |
| CN103543121A (en) * | 2013-10-11 | 2014-01-29 | 皖江新兴产业技术发展中心 | Device and method for on-line calibration on high-temperature flue gas infrared spectrum measurement system |
| CN104048995A (en) * | 2013-03-13 | 2014-09-17 | 罗斯蒙德分析公司 | Diffuser diagnostic for in-situ flue gas measurement device |
| CN106645003A (en) * | 2016-09-30 | 2017-05-10 | 长沙开元仪器股份有限公司 | Infrared sulfur tester capable of avoiding air chamber pollution |
| CN108426817A (en) * | 2018-05-08 | 2018-08-21 | 宁夏锦汇源化工有限公司 | The system and method for continuous detection gas concentration under high concentrate dust environment |
| 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 |
| CN114199815A (en) * | 2020-09-17 | 2022-03-18 | 北京乐氏联创科技有限公司 | High-temperature infrared flue gas analysis method |
-
2011
- 2011-06-21 CN CN2011202096443U patent/CN202101931U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091285A (en) * | 2012-12-29 | 2013-05-08 | 聚光科技(杭州)股份有限公司 | Laser gas analysis device and method |
| CN104048995A (en) * | 2013-03-13 | 2014-09-17 | 罗斯蒙德分析公司 | Diffuser diagnostic for in-situ flue gas measurement device |
| CN103439161A (en) * | 2013-08-27 | 2013-12-11 | 中绿环保科技股份有限公司 | In-place laser gas analysis instrument |
| CN103439161B (en) * | 2013-08-27 | 2016-08-10 | 中绿环保科技股份有限公司 | Formula laser gas analyzer in place |
| CN103543121A (en) * | 2013-10-11 | 2014-01-29 | 皖江新兴产业技术发展中心 | Device and method for on-line calibration on high-temperature flue gas infrared spectrum measurement system |
| CN103543121B (en) * | 2013-10-11 | 2016-02-24 | 皖江新兴产业技术发展中心 | A kind of high-temperature flue gas infrared spectra measuring system on-line calibration apparatus and method |
| CN106645003A (en) * | 2016-09-30 | 2017-05-10 | 长沙开元仪器股份有限公司 | Infrared sulfur tester capable of avoiding air chamber pollution |
| CN106645003B (en) * | 2016-09-30 | 2019-06-07 | 长沙开元仪器股份有限公司 | A kind of infrared sulfur measuring instrument for avoiding gas chamber from polluting |
| CN108426817A (en) * | 2018-05-08 | 2018-08-21 | 宁夏锦汇源化工有限公司 | The system and method for continuous detection gas concentration under high concentrate dust environment |
| 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 |
| CN114199815A (en) * | 2020-09-17 | 2022-03-18 | 北京乐氏联创科技有限公司 | High-temperature infrared flue gas analysis method |
| CN114199815B (en) * | 2020-09-17 | 2023-12-19 | 北京乐氏联创科技有限公司 | High-temperature infrared flue gas analysis 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 |
Granted publication date: 20120104 |
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| CX01 | Expiry of patent term |