CN202720218U - Verification device of flue gas emission continuous monitoring system - Google Patents
Verification device of flue gas emission continuous monitoring system Download PDFInfo
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- CN202720218U CN202720218U CN 201220277495 CN201220277495U CN202720218U CN 202720218 U CN202720218 U CN 202720218U CN 201220277495 CN201220277495 CN 201220277495 CN 201220277495 U CN201220277495 U CN 201220277495U CN 202720218 U CN202720218 U CN 202720218U
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- flue gas
- monitoring system
- continuous monitoring
- calibrating installation
- sampling
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Abstract
The utility model provides a verification device of a flue gas emission continuous monitoring system. The verification device of the flue gas emission continuous monitoring system comprises a gas bottle which contains standard gas, a sampling gun which is provided with a heating resistance wire, a sampling pipe, a flue gas preprocessing device, a flue gas analysis meter, a cooling machine which is provided with a water storage bottle, and a power source box. The sampling gun is connected with one end of the sampling pipe, the other end of the sampling pipe is connected with a gas inlet of the flue gas preprocessing device, a gas outlet of the flue gas preprocessing device is connected with a gas inlet of the flue gas analysis meter of the verification device, the cooling machine is arranged on the tail portion of the sampling gun, and the power source box supplies power for the heating resistance wire and the cooling machine. The verification device of the flue gas emission continuous monitoring system has the advantages of being small in size, good in portable performance, stable and reliable in performance, and strong in operability, achieving portable on-site verification, and effectively evaluating monitoring results of the flue gas emission continuous monitoring system.
Description
[technical field]
The utility model relates to a kind of calibrating installation of flue gas discharge continuous monitoring system.
[background technology]
" flue gas discharge continuous monitoring system " (being called for short CEMS) is a kind of by sampling, analysis mode or direct metering system, measure the equipment of the pollutant levels such as sulfur dioxide in flue gas, oxides of nitrogen and oxygen level, be widely used in industries such as power plant, metallurgy, mining and metallurgy, petrochemical industry, environmental monitorings.For promoting the emission reduction work of the total amount of pollutant, environment protection, each relevant enterprise are using online boiler smoke discharging continuous monitor system, and this system replaces the monitoring mode of artificial continuous sampling, has improved promptness and the accuracy of flue gas data monitoring.
But because the complicacy of monitoring " object environment ", high dirt, high humidity, high pollution, the erosion of the easy contaminated thing of flue gas discharge continuous monitoring system, infringement, make the measurement result data produce deviation, shorten the serviceable life of monitoring system, affect accuracy, the validity of online monitoring data, this just causes there is not comparability between testing result, and supervision department can't directly adopt Monitoring Data to carry out the evaluation of discharge of pollutant sources level.Therefore, need comprehensive, the objective Quantitative Evaluation of carrying out flue gas discharge continuous monitoring system badly, to ensure accuracy, the validity of online monitoring data.
But so far, China there is no perfect flue gas discharge continuous monitoring system measurement and examination method, and corresponding standard verification apparatus, makes the measurement verification of existing flue gas discharge continuous monitoring system lack science, effective technical support.
Because lack the calibration method of flue gas discharge continuous monitoring system, existing calibration method can only be with reference to the flue gas analyzer calibration method, the method is only examined and determine and is estimated the flue gas analyzer in the CEMS system; And CEMS is a centralized procurement sample probe, sample lines, the integral body of pretreatment system and analyser and data analysis system, except analyser, the situation of other parts in the system can directly exert an influence to the flue gas on-line analysis accuracy, the error of bringing can not be ignored (such as the obstruction of sampling discussion, the breakage of sample lines, can the fault of pretreatment system etc. can directly affect sample gas keep its concentration preferably when arriving analyser, the meter characteristics such as component, even can't arrive smoothly analyser), therefore, the analyser of metering performance only investigate to(for) the metering performance evaluation of CEMS obviously can't satisfy the measuring requirement of on-line monitoring system, should take into full account from whole angle the actual operating state of whole system.In addition; because the calibrating of the instrument in the flue gas analyzer calibration method is only applicable to test; and flue gas discharge continuous monitoring system is installed on smoke pollution source emission scene; the thief hatch installation position sets high, environment is abominable; be not equipped with the site safety protective gear, testing staff's personal safety lacks necessary protection.
For guaranteeing accuracy and the validity of CEMS system data, strengthen the law enforcement dynamics of China's smoke pollution source emission monitoring, it is significant to set up flue gas discharge continuous monitoring system calibration method and standard verification apparatus.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of calibrating installation of flue gas discharge continuous monitoring system, it satisfies the requirement that the flue gas discharge continuous monitoring system globality is estimated, not only the analyser of tested flue gas discharge continuous monitoring system carried out measurement verification, also by calibrating installation and by check system scene discharging flue gas is carried out synchronized sampling and analysis, realization is to comprehensive, objective, efficient, the portable on-site proving of flue gas discharge continuous monitoring system, and necessary personnel safety guard's apparatus is provided.
The utility model solves the problems of the technologies described above by the following technical programs:
The calibrating installation of flue gas discharge continuous monitoring system, comprise the gas cylinder that calibrating gas is housed, described calibrating gas is used for the analyser of tested flue gas discharge continuous monitoring system is examined and determine, described calibrating installation also comprises: one is provided with the sampling gun of resistive heater, one sampling pipe, one Flue Gas Pretreatment Device, one flue gas analyzer, one is provided with refrigerator and a power pack of water-storing bottle, described sampling gun connects an end of described sampling pipe, the other end of described sampling pipe connects the air intake opening of described Flue Gas Pretreatment Device, the gas outlet of described pretreatment unit is connected to the air intake opening of the flue gas analyzer of described calibrating installation by pipeline, described refrigerator is located at the afterbody of described sampling gun, and described power pack is described resistive heater and the power supply of described refrigerator.
Further, the utility model also comprises a folding go-cart, the flue gas analyzer of described Flue Gas Pretreatment Device and calibrating installation is located in the described go-cart, the bottom of described go-cart is provided with brake castor, when go-cart is braked, can prevent the go-cart slip, guarantee that the flue gas analyzer of Flue Gas Pretreatment Device and calibrating installation is parked firmly, safety.
Further, the utility model also comprises a dampening assembly, and described dampening assembly is rubber blanket, and described dampening assembly is fixed in the below of the flue gas analyzer of the below of Flue Gas Pretreatment Device and calibrating installation.
Further, the utility model also comprises safety appliance, comprises safety helmet, securing band, mouth mask, first aid box, protective clothing and protective footwear, the effective guarantee personal security.
Further, the flue gas analyzer of described calibrating installation is for adopting the analyser of infrared gas, described Flue Gas Pretreatment Device is for adopting the Flue Gas Pretreatment Device of teflon filtering membrane, the sampling head length of described sampling gun is 1.5 meters, described resistive heater is surrounded on the centre of described sampling head double-level-metal sleeve, and described sampling pipe is the teflon sampling pipe.
Further, described refrigerator is air-cooled refrigerator, and the fan by air-cooled refrigerator and heat radiator fully freeze to the flue gas through the sampling gun heating, make water vapor condensation, and are collected into described water-storing bottle, and cryogenic temperature can reach-4 ℃.
Further, described power pack connects the 220V input power, and output 24V direct supply is powered to the resistive heater of described refrigerator and sampling gun.
The utlity model has following advantage: the utility model has been set up a cover flue gas discharge continuous monitoring system calibrating installation, not only the analyser in the tested flue gas discharge continuous monitoring system is carried out measurement verification, also by the utility model flue gas discharge continuous monitoring system calibrating installation with by check system scene discharging flue gas is carried out synchronized sampling and analysis, realized comprehensive, objective, efficient, the portable on-site proving to flue gas discharge continuous monitoring system, the monitoring result of effective evaluation flue gas discharge continuous monitoring system, and necessary personnel safety guard's apparatus is provided.The little good portability of the utility model calibrating installation volume, stable and reliable for performance, workable.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structural representation of the calibrating installation of the utility model flue gas discharge continuous monitoring system.
[embodiment]
See also shown in Figure 1ly, the utility model embodiment is described in detail.Fig. 1 be need to prove: in the practice of construction process, the diameter of chimney generally all reaches five or six meters, and sampling gun is with regard to 1.5 meters, about 0.5 meter of equipment.
The calibrating installation of flue gas discharge continuous monitoring system, comprise the gas cylinder 1 that calibrating gas is housed, described calibrating gas is used for the analyser (not shown) of tested flue gas discharge continuous monitoring system is examined and determine, described calibrating installation also comprises: one is provided with the sampling gun 2 of resistive heater, one sampling pipe 3, one Flue Gas Pretreatment Device 4, one flue gas analyzer 5, one is provided with refrigerator 6 and a power pack 7 of water-storing bottle 61, described sampling gun 2 connects an end of described sampling pipe 3, the other end of described sampling pipe 3 connects the air intake opening of described Flue Gas Pretreatment Device 4, the gas outlet of described pretreatment unit 4 is connected to the air intake opening of the flue gas analyzer 5 of described calibrating installation by pipeline, described refrigerator 6 is located at the afterbody of described sampling gun 2, described power pack 7 connects the 220V input power, and output 24V direct supply is powered to the resistive heater of described refrigerator 6 and sampling gun 2.Described power pack 7 generally is positioned over chimney and reserves near the platform of thief hatch.
Calibrating gas in the described gas cylinder 1 adopts sulphuric dioxide, oxides of nitrogen standard substance in the nitrogen of the variable concentrations with national standard material certificate number, and as the high pure nitrogen of zero gas, in order to the first flue gas analyzer is examined and determine.
The flue gas analyzer 5 of described calibrating installation can be measured the sulphuric dioxide in the flue gas, oxides of nitrogen, oxygen concentration for adopting the analyser of infrared gas, and gaseous contaminant is measured the error of indication less than ± 5%; The oxygen measurement error of indication is less than ± 2%; The linear error of gaseous contamination substrate concentration indicating value is no more than minimum range full scale ± 1% in seven days; The linear error of oxygen concentration indicating value is no more than minimum range full scale ± 0.5% in seven days.
Described Flue Gas Pretreatment Device 4 has wet, gas penetration potential, waterproof for adopting the Flue Gas Pretreatment Device of teflon filtering membrane, effectively stops particle to 0.5 μ m, and aqueous vapor does not enter in the analyser main frame, prevents that it is to the infringement of instrument.
The sampling head length of described sampling gun 2 is 1.5 meters, and the resistive heater of described sampling gun 2 is surrounded on the centre of the double-level-metal sleeve of described sampling head.
Described sampling pipe 3 is the teflon sampling pipe, and it is nonhygroscopic, does not fire, and to oxygen, the equal stabilizer pole of ultraviolet ray, has excellent weatherability, high temperature resistant, corrosion-resistant, the sticking aqueous vapor of inner wall smooth, does not adsorb SO
2Etc. advantage.
Described refrigerator 6 is air-cooled refrigerator, fan and heat radiator by air-cooled refrigerator fully freeze to the flue gas through sampling gun 2 heating, make water vapor condensation, and be collected into described water-storing bottle 61, cryogenic temperature reaches-4 ℃, flue gas through sampling gun 2 heating fully can be freezed, make water vapor condensation, and be collected in the water-storing bottle 61 and get rid of through peristaltic pump; Flue gas drying degree after refrigeration is high, can effectively prevent from condensing when water vapor in the flue gas from transmitting in sampling pipe 3 and to SO
2The absorption that produces.
The utility model also comprises a folding go-cart 8, a dampening assembly 9 and safety appliance (not shown).The flue gas analyzer 5 of described Flue Gas Pretreatment Device 4 and calibrating installation is located in the described go-cart 8, stainless steel material is adopted in described go-cart 8, has corrosion resistance, the bottom of described go-cart 8 is provided with brake castor 81, when go-cart 8 is braked, can prevent go-cart 8 slips, guarantee that the flue gas analyzer 5 of Flue Gas Pretreatment Device 4 and calibrating installation is parked firmly, safety.Described go-cart 8 is stainless steel, and is corrosion-resistant.
Described dampening assembly 9 is rubber blanket, and described dampening assembly 9 is fixed in the below of the flue gas analyzer 5 of the below of Flue Gas Pretreatment Device 4 and calibrating installation.
Described safety appliance (not shown) comprises safety helmet, securing band, mouth mask, first aid box, protective clothing and protective footwear, the effective guarantee personal security.
The principle of work of the calibrating installation of the utility model flue gas discharge continuous monitoring system is:
Step 1: adopt calibrating gas that the first flue gas analyzer in the flue gas discharge continuous monitoring system is examined and determine, judge whether the metering performance of the gas composition detection analysis assembly of tested flue gas discharge continuous monitoring system meets the requirements, it is prior art;
Step 2: the gas outlet of described Flue Gas Pretreatment Device 4 is connected to the air intake opening of the flue gas analyzer 5 of described calibrating installation by pipeline, the air intake opening of described Flue Gas Pretreatment Device 4 connects an end of sampling pipe 3, connect the power supply of the flue gas analyzer 5 of Flue Gas Pretreatment Device 4 and calibrating installation, preheating 20 minutes;
Step 3, the sampling head of described sampling gun 2 is put into the thief hatch that tested flue gas discharge continuous monitoring system is reserved, and carry out sealing, the periphery of described sampling head 2 is surrounded with resistive heater; The smoke gas flow that extracts from thief hatch makes the water vapor that contains the flue gas noncondensing through heating when sampling head, thereby can greatly reduce the absorption to SO2;
Step 4, sampling gun 2 being connected the other end of described sampling pipe 3, and at the afterbody of sampling gun 2 described refrigerator 6 is set, be that described resistive heater and described refrigerator 6 are powered plugged box 7 power supplys by described power pack 7;
The flow control valve of step 5, the described Flue Gas Pretreatment Device 4 of adjusting, the flow that flowmeter is shown is 1L;
Step 6, read each concentration of component value of flue gas on the first flue gas analyzer of data on the flue gas analyzer 5 of calibrating installation and tested flue gas discharge continuous monitoring system synchronously, and record, realize the synchrodata comparison.
The utility model has been set up a cover flue gas discharge continuous monitoring system calibrating installation, not only the analyser in the tested flue gas discharge continuous monitoring system is carried out measurement verification, also by the utility model flue gas discharge continuous monitoring system calibrating installation with by check system scene discharging flue gas is carried out synchronized sampling and analysis, realized comprehensive, objective, efficient, the portable on-site proving to flue gas discharge continuous monitoring system, the monitoring result of effective evaluation flue gas discharge continuous monitoring system, and necessary personnel safety guard's apparatus is provided.The little good portability of the utility model calibrating installation volume, stable and reliable for performance, workable; Objective, all sidedly tested flue gas discharge continuous monitoring system is estimated.
Although more than described embodiment of the present utility model; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present utility model; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present utility model, all should be encompassed in the scope that claim of the present utility model protects.
Claims (7)
1. the calibrating installation of flue gas discharge continuous monitoring system, comprise the gas cylinder that calibrating gas is housed, it is characterized in that: described calibrating installation comprises that also one is provided with the sampling gun of resistive heater, one sampling pipe, one Flue Gas Pretreatment Device, one flue gas analyzer, one is provided with refrigerator and a power pack of water-storing bottle, described sampling gun connects an end of described sampling pipe, the other end of described sampling pipe connects the air intake opening of described Flue Gas Pretreatment Device, the gas outlet of described pretreatment unit is connected to the air intake opening of the flue gas analyzer of described calibrating installation by pipeline, described refrigerator is located at the afterbody of described sampling gun, and described power pack is described resistive heater and the power supply of described refrigerator.
2. the calibrating installation of flue gas discharge continuous monitoring system according to claim 1, it is characterized in that: also comprise a folding go-cart, the flue gas analyzer of described Flue Gas Pretreatment Device and calibrating installation is located in the described go-cart, and the bottom of described go-cart is provided with brake castor.
3. the calibrating installation of flue gas discharge continuous monitoring system according to claim 2, it is characterized in that: also comprise a dampening assembly, described dampening assembly is rubber blanket, and described dampening assembly is fixed in the below of the flue gas analyzer of the below of Flue Gas Pretreatment Device and calibrating installation.
4. the calibrating installation of flue gas discharge continuous monitoring system according to claim 1 is characterized in that: also comprise safety appliance, comprise safety helmet, securing band, mouth mask, first aid box, protective clothing and protective footwear.
5. the calibrating installation of flue gas discharge continuous monitoring system according to claim 1, it is characterized in that: the flue gas analyzer of described calibrating installation is for adopting the analyser of infrared gas, described Flue Gas Pretreatment Device is for adopting the Flue Gas Pretreatment Device of teflon filtering membrane, the sampling head length of described sampling gun is 1.5 meters, described resistive heater is surrounded on the centre of the double-level-metal sleeve of described sampling head, and described sampling pipe is the teflon sampling pipe.
6. the calibrating installation of flue gas discharge continuous monitoring system according to claim 1, it is characterized in that: described refrigerator is air-cooled refrigerator, fan and heat radiator by air-cooled refrigerator fully freeze to the flue gas through the sampling gun heating, make water vapor condensation, and are collected into described water-storing bottle.
7. the calibrating installation of flue gas discharge continuous monitoring system according to claim 1, it is characterized in that: described power pack connects the 220V input power, and output 24V direct supply is powered to the resistive heater of described refrigerator and sampling gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277495 CN202720218U (en) | 2012-06-13 | 2012-06-13 | Verification device of flue gas emission continuous monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277495 CN202720218U (en) | 2012-06-13 | 2012-06-13 | Verification device of flue gas emission continuous monitoring system |
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| Publication Number | Publication Date |
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| CN202720218U true CN202720218U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220277495 Expired - Lifetime CN202720218U (en) | 2012-06-13 | 2012-06-13 | Verification device of flue gas emission continuous monitoring system |
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| CN (1) | CN202720218U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721791A (en) * | 2012-06-13 | 2012-10-10 | 福建省计量科学研究院 | Verifying method and verifying device for flue gas emission continuous monitoring system |
| CN103759985A (en) * | 2014-02-17 | 2014-04-30 | 国家电网公司 | Continuous type method for measuring velocity of flue gas and sampling particulate matters |
| CN104374874A (en) * | 2014-10-13 | 2015-02-25 | 贵州电力试验研究院 | Method for correcting online monitoring data of flue gas desulfurization device |
-
2012
- 2012-06-13 CN CN 201220277495 patent/CN202720218U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721791A (en) * | 2012-06-13 | 2012-10-10 | 福建省计量科学研究院 | Verifying method and verifying device for flue gas emission continuous monitoring system |
| CN102721791B (en) * | 2012-06-13 | 2015-10-21 | 福建省计量科学研究院 | The calibration method of flue gas discharge continuous monitoring system and calibrating installation |
| CN103759985A (en) * | 2014-02-17 | 2014-04-30 | 国家电网公司 | Continuous type method for measuring velocity of flue gas and sampling particulate matters |
| CN104374874A (en) * | 2014-10-13 | 2015-02-25 | 贵州电力试验研究院 | Method for correcting online monitoring data of flue gas desulfurization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20151021 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |