CN207067152U - A kind of portable SCR denitration system flue gas analysis device - Google Patents
A kind of portable SCR denitration system flue gas analysis device Download PDFInfo
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- CN207067152U CN207067152U CN201720867974.9U CN201720867974U CN207067152U CN 207067152 U CN207067152 U CN 207067152U CN 201720867974 U CN201720867974 U CN 201720867974U CN 207067152 U CN207067152 U CN 207067152U
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Abstract
The utility model discloses a kind of portable SCR denitration system flue gas analysis device, include the moving cart of at least three layers interlayer（1）, the moving cart（1）Interlayer on be placed with high-temperature flue gas analysis system respectively（2）, purging and calibration system（3）With high temperature pretreatment system（4）, the high-temperature flue gas analysis system（2）, purging and calibration system（3）With high temperature pretreatment system（4）Respectively with data collection and transmission（5）It is electrically connected, the high temperature pretreatment system（4）Smoke inlet be connected with the outlet flue of SCR denitration system, the high temperature pretreatment system（4）Outlet flue and high-temperature flue gas analysis system（2）It is connected, the purging and calibration system（3）With high temperature pretreatment system（4）It is connected.The utility model is moved easily, and response is rapid fast, fast reaction and can complete to test.
Description
Technical field
A kind of portable SCR denitration system flue gas analysis device is the utility model is related to, belongs to field of environment engineering technology.
Background technology
The coal-fired power station boiler in China is largely furnished with low-NO_x combustion technology, but is only capable of reaching medium denitration level, full
The increasingly strict discharged nitrous oxides requirement of foot.Therefore, as a kind of efficient gas denitrifying technology-selective catalysis also
Former method（SCR）Technique starts to introduce China, selective catalytic reduction（SCR）Denitration process is nitrogen oxides and spray in flue gas
Enter the ammonia of flue, harmless N is generated in the presence of catalyst2And H2O.Catalyst performance directly influences flue gas NOxWhether
Qualified discharge, it is related to NH3Escapement ratio it is whether exceeded.Contain in fire coal boiler fume and easily combined to form on a small quantity with water vapour
The SO of sulfuric acid vapor3Gas, the adiabatic condensation temperature of sulfureous in flue gas acid vapor are referred to as acid dew point, and sulfuric acid vapor is less than acid dew point in wall temperature
Heating surface on condense and can cause heavy corrosion phenomenon, this is referred to as dew point acid corrosion, acid dew-point temperature and SO in flue gas3Content into
Direct ratio, need to improve constantly the exhaust gas temperature of boiler to avoid acid dew piont corrosion phenomenon from corroding equipment, but so easily cause heat
The waste of energy, therefore monitor SO in flue gas3Content there is vital effect.
However, in the market SO in flue gas can not be measured after SCR denitration well3、NH3Instrument, mainly due to
SO3Easily and H2O、NH3Reaction produces ammonium hydrogen sulfate, and SO3、NH3Adsorbed on pipeline it is relatively more, so as to cause measuring instrumentss
The shortcomings of measurement error is big, service life is short.Therefore at present mainly or to sample manually, then pass through chemical titration or ion color
Spectrometer analyzes SO3、NH3Amount, this measurement daily to operating personnel causes very big workload, and sampling can be because manually
Different operating personnel and cause different sampling errors.Therefore the utility model provides a kind of portable SCR denitration system cigarette
Qi leel analysis apparatus, the device include high temperature sampling line, high temperature pretreatment system, high-temperature flue gas analysis system, vent gas treatment system
System, data collection and transmission, whole process high-temperature heating insulation ensure that flue gas whole process without cold spot, will not produce more than 191 DEG C
The products such as ammonium hydrogen sulfate, and the system whole process sampling line is reasonable in design, length is short, reduces SO3、NH3Loss Rate.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of portable SCR denitration system flue gas analysis device,
The whole high-temperature heating insulation of the device, ensures that flue gas whole process without cold spot, will not produce the products such as ammonium hydrogen sulfate, and the device can
It is mobile, it is easy to use；Further, the utility model whole process sampling line is reasonable in design, length is short, and movement is convenient, reduces
SO3、NH3Loss Rate.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of portable SCR denitration system flue gas analysis device, include the moving cart of at least three layers interlayer, the shifting
High-temperature flue gas analysis system, purging and calibration system and high temperature pretreatment system are placed with respectively on the interlayer of dynamic dolly, it is described
High-temperature flue gas analysis system, purging and calibration system and high temperature pretreatment system respectively with data collection and transmission electricity phase
Even, the smoke inlet of the high temperature pretreatment system is connected with the outlet flue of SCR denitration system, and the high temperature pretreatment system goes out
Mouth is connected with high-temperature flue gas analysis system, and the purging and calibration system are connected with high temperature pretreatment system.
The high temperature pretreatment system by first filter, second temperature sensor, high temperature pneumatic operated valve, pressure sensor,
High temperature samples pump, check valve and the second filter are sequentially connected in series, smoke inlet and the high temperature probe tube of the first filter
The outlet flue of line is connected, and the smoke inlet of the high temperature sampling line is connected with the outlet flue of the SCR denitration system, the high temperature
Sampling line is connected with the first temperature sensor；The outlet flue of second filter enters with the high-temperature flue gas analysis system
Mouth is connected.
The purging and calibration system include the first heater strip, the first magnetic valve, high-temperature solenoid valve, the second heater strip, the
Two magnetic valves, hand-operated direction valve, calibrate gas cylinders group, oil water separator, the second pressure regulator valve, the first pressure regulator valve, manual ball valve and blow
Scavenging bottle；First heater strip and the first magnetic valve are series between the second temperature sensor and the first pressure regulator valve, institute
State the first pressure regulator valve with the purging gas cylinder to be connected, be provided with the pipeline between first pressure regulator valve and the purging gas cylinder
The manual ball valve；The high-temperature solenoid valve is series between the high temperature pneumatic operated valve and the first pressure regulator valve；Second heating
Silk, second solenoid valve and hand-operated direction valve are series between the check valve and the first pressure regulator valve, the calibrating gas bottle group connection
In the 3rd end of the hand-operated direction valve；The oil water separator and the second pressure regulator valve are series at first pressure regulator valve and high temperature
Between the blow valve port of the flue gas analyzer of flue gas analysis system.
The high-temperature flue gas analysis system includes the first needle-valve flowmeter, the second needle-valve flowmeter, lambda sensor, the 3rd temperature
Spend sensor and flue gas analyzer；The first needle-valve flowmeter, the second needle-valve flowmeter are parallel to second filter
At outlet flue, the first needle-valve flowmeter is connected with lambda sensor, the lambda sensor and flue gas analyzer with the number
It is electrically connected according to collection with analysis system, the second needle-valve flowmeter is connected by heating pipeline with the flue gas analyzer, institute
State and the three-temperature sensor is installed on heating pipeline.
The outlet flue of the lambda sensor is connected with the outlet flue of the flue gas analyzer with exhaust treatment system.
The exhaust treatment system includes 3 absorption bottles, and alkaline solution, second suction are placed in first absorption bottle
Receive to be placed in hydrogen peroxide, the 3rd absorption bottle in bottle and drier is placed.
The data collection and transmission includes PLC, A/D modular converter, PC and power supply；First TEMP
Device, second temperature sensor, three-temperature sensor, pressure sensor, the first magnetic valve, high-temperature solenoid valve, second solenoid valve,
Lambda sensor, flue gas analyzer are connected with the PLC respectively, and the A/D modular converters are used to convert analog signals into number
Word signal, it is then communicated to PC and is shown, stored.
The length of the high temperature sampling line is at least 1m, and the liner material of the high temperature sampling line is stainless steel
Polished in SS316L, EP level, heater wire is wound outside liner and does heat-insulation layer, first temperature is added between liner and heat-insulation layer
Sensor, first temperature sensor and second temperature sensor are K-type thermocouple.
The calibration gas cylinders group is by NO calibrating gas bottles, SO2Calibrating gas bottle, SO3Calibrating gas bottle and NH3Calibrating gas bottle forms；Institute
It is the liquid nitrogen container for being positioned over the moving cart top to state purging gas cylinder, purge gass N2。
The lambda sensor samples zirconia oxygen analyzer, measurement range 0 ~ 25%；The flue gas analyzer uses Fu MKS
The infrared flue gas analyzer of vertical leaf, its air chamber can be heated to 191 DEG C.
A kind of portable SCR denitration system flue gas analysis device provided by the utility model, has the advantages that：
1. the utility model can be suitably used for current denitrating catalyst lab scale, pilot scale, full-scale performance detection platform measuring point, pot
The status requirements such as stove power plant, are moved easily, and response is rapid fast, and fast reaction and can complete to test, and test data can store.
2. the utility model is using high-temperature heating and Insulation, equipment whole process without cold spot, complete equipment heating-up temperature >=
191℃.SO can be achieved3、NH3Deng the on-line monitoring of gas, reduce SO3、NH3Loss Rate.
3. purging of the present utility model is preheated with calibration system using heater strip to gas and calibration gas, temperature is avoided
Difference produces condensation and temperature fluctuation.
4. the utility model design is simple, you can with the operation of intelligence control system, can manually adjust again, practicality
By force, and it is applied to laboratory and on-the-spot test, is easy to promote.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model high temperature pretreatment system, purging and the knot of calibration system and high-temperature flue gas analysis system
Structure schematic diagram.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 1 ~ Fig. 2, a kind of portable SCR denitration system flue gas analysis device, by high temperature sampling line 48, high temperature
Pretreatment system 4, purging and calibration system 3, high-temperature flue gas analysis system 2, exhaust treatment system 6, moving cart 1, data are adopted
Collection forms with analysis system 5.Wherein：The length of high temperature sampling line 48 is 1m, and the liner material of high temperature sampling line 48 is not
Polished in rust steel SS316L, EP level, heater wire is wound outside liner and does heat-insulation layer, the first temperature is added between liner and heat-insulation layer
Sensor 49, the first temperature sensor 49 are K-type thermocouple, to measure the temperature of heater wire, warm temperature can to 250 DEG C, and
Heating-up temperature is adjustable, and can be accomplished by managing outer temperature by≤40 DEG C.
High temperature pretreatment system 4 is by first filter 41, second temperature sensor 42, high temperature pneumatic operated valve 43, pressure sensing
Device 44, high temperature samples pump 45, the filter 47 of check valve 46 and second are sequentially connected in series, wherein：First filter 41 is stainless
Steel filter, material be SS316L materials, ceramic element, filtration grade 0.1um, and first filter 41 can 390 DEG C of heatproof, its
Main function is the fine particle in filtering flue gas.Second temperature sensor 42 is K-type thermocouple, and it act as measuring high temperature
The flue-gas temperature of the porch of pretreatment system 4.High temperature pneumatic operated valve 43 needs heatproof to reach 390 DEG C, and it act as controlling the logical of gas circuit
It is disconnected.The air pressure for acting as measuring gas circuit of pressure sensor 44, when gas circuit air pressure superpressure, data collection and transmission 5 will
Provide alarm signal.High temperature samples pump 45 uses anti-corrosion pump diaphragm, and sampling flow 11L/min, it is act as reacting furnace or cigarette
Flue gas in road is pumped into high temperature pretreatment system 4.The reverse flow for acting as preventing flue gas of check valve 46.Second filter 47
For stainless steel filter, material is SS316L materials, and ceramic element, filtration grade 0.1um, it primarily serves the work of secondary filtration
With.High temperature pretreatment system 4 act as without cold spot to protect the flue gas progress filtration treatment containing impurity, its whole high temperature
Demonstrate,prove the SO in flue gas3、H2O、NH3Do not reacted Deng material, adsorptivity is preferably minimized, and reduces SO3、NH3Loss Rate.
Purging and calibration system 3 by the first heater strip 31, the first magnetic valve 32, high-temperature solenoid valve 33, the second heater strip 34,
Second solenoid valve 35, hand-operated direction valve 36, calibration gas cylinders group 37, oil water separator 38, the second pressure regulator valve 39, the first pressure regulator valve
310th, manual ball valve 311 and purging gas cylinder 312 form.Wherein the first heater strip 31, the first magnetic valve 32 are series at second temperature
Between the pressure regulator valve 310 of sensor 42 and first, the first heater strip 31 act as heating and blowing gas N2, prevent cold and hot gas junction
Condensation is produced, while ensures the stability of the flue-gas temperature in high temperature pretreatment system 4.First magnetic valve 32 is act as
The break-make of gas circuit is controlled, and the first magnetic valve 32 is connected with the PLC in data collection and transmission 5.First heater strip 31 and
The gas circuit that first magnetic valve 32 is formed, it act as purging the pipeline in high temperature pretreatment system 4, prevents pipeline absorption from causing to block up
Plug.High-temperature solenoid valve 33 is series between the pressure regulator valve 310 of high temperature pneumatic operated valve 43 and first, and it act as the break-make for controlling purge gass
So as to control the switch of high temperature pneumatic operated valve 43.
Second heater strip 34, second solenoid valve 35, hand-operated direction valve 36 be series at the pressure regulator valve 310 of check valve 46 and first it
Between, calibrating gas bottle group 37 is connected to the 3rd end of hand-operated direction valve 36.Second heater strip 34 is act as the standard of the pipeline
Gas heats, and prevents to condense, and second solenoid valve 35 act as cut-offfing for control gas circuit, and hand-operated direction valve 36 act as cutting
The opening and closing of gas cylinder and control Standard Gases in the quasi- gas cylinders group 37 of dehorn, calibrating gas bottle group 37 is by NO calibrating gas bottles, SO2Standard Gases
Bottle, SO3Calibrating gas bottle, NH3Calibrating gas bottle forms, to calibrate flue gas analyzer 25.
Oil water separator 38, the second pressure regulator valve 39 be series at the first pressure regulator valve 310 and flue gas analyzer 25 blow valve port it
Between, oil water separator 38 is used to purify purge gass N2, make it more clean, to ensure the accuracy of flue gas analyzer 25, second adjusts
Pressure valve 39 act as adjusting the gas pressure of the gas circuit and controls the break-make of the gas circuit.First pressure regulator valve 310, manual ball valve
311st, purging gas cylinder 312 is sequentially connected in series, and the first pressure regulator valve 310 is used to adjust the pressure that purging gas cylinder 312 is worked off one's feeling vent one's spleen, manual ball valve
311 are used to control the break-make for purging gas cylinder 312, are high-purity N in purging gas cylinder 3122。
High-temperature flue gas analysis system 2 is by the first needle-valve flowmeter 21, the second needle-valve flowmeter 22, lambda sensor the 23, the 3rd
Temperature sensor 24 and flue gas analyzer 25 form.Wherein：First needle-valve flowmeter 21, the second needle-valve flowmeter 22 are parallel to
The port of export of tow filtrator 47, the first needle-valve flowmeter 21 are connected with lambda sensor 23；Second needle-valve flowmeter 22 passes through heating
Pipeline 26 is connected with flue gas analyzer 25, and heats and three-temperature sensor 24 is provided with pipeline 26, and heating pipeline 26 can add
For heat at 191-196 DEG C, three-temperature sensor 24 uses K-type thermocouple.First needle-valve flowmeter 21, the second needle-valve flowmeter 22
Material is SS316L, can high temperature resistant, its act as adjust gas circuit flue gas flow size.Lambda sensor 23 samples zirconium oxide oxygen
Analyzer, measurement range 0-25%, for measuring the oxygen content in flue gas.Flue gas analyzer 25 uses MKS fourier infrared flue gases
Analyzer, its air chamber can be heated to 191 DEG C, have both ensured the accuracy of measurement, prevented the crystals such as ammonium hydrogen sulfate again, and
MKS fourier infrareds flue gas analyzer uses the liquid nitrogen type of cooling so that instrument has fast sensitive and fast-response speed.
Exhaust treatment system 6 is made up of absorption bottle group, and absorption bottle group is made up of 3 absorption bottles, is put in first absorption bottle
What is put is alkaline solution, is placed in second absorption bottle in hydrogen peroxide, the 3rd absorption bottle and drier is placed.
For moving cart 1 as shown in figure 1, moving cart 1 shares three layers of interlayer, first layer places MKS fourier infrared flue gases
The device of analyzer, second layer installation purging and calibration system 3, third layer installation high temperature pretreatment system 4, in moving cart 1
Top installation PC 51, and liquid nitrogen container, liquid nitrogen container gives MKS fourier infrareds flue gas analyzer to provide liquid nitrogen.Moving cart 1
Detachable for aluminium alloy extrusions, safety glass cabinet door, cabinet side and back, aluminium alloy moving cart bottom of cabinet bulk installs 4
The high-quality damping universal wheels of diameter 80-100mm, wherein 2 strap brake functions, the overall dimensions of dolly for 600W × 700D ×
1000Hmm。
Data collection and transmission 5 is made up of PLC, A/D modular converter, PC 51, power supply.Wherein the first TEMP
Device 49, second temperature sensor 42, three-temperature sensor 24, pressure sensor 44, the first magnetic valve 32, high-temperature solenoid valve
33rd, second solenoid valve 35, lambda sensor 23, flue gas analyzer 25 are connected with PLC respectively, and A/D modular converters are used for processing will
The analog signals such as temperature are converted into data signal, are then communicated to PC 51 and are shown, stored.
High temperature in the present embodiment refers both to >=191 DEG C of temperature.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. portable SCR denitration system flue gas analysis device, it is characterised in that：Movement including at least three layers interlayer is small Car（1）, the moving cart（1）Interlayer on be placed with high-temperature flue gas analysis system respectively（2）, purging and calibration system（3） With high temperature pretreatment system（4）, the high-temperature flue gas analysis system（2）, purging and calibration system（3）With high temperature pretreatment system （4）Respectively with data collection and transmission（5）It is electrically connected, the high temperature pretreatment system（4）Smoke inlet and SCR denitration system The outlet flue of system is connected, the high temperature pretreatment system（4）Outlet flue and high-temperature flue gas analysis system（2）It is connected, it is described to blow Sweep and calibration system（3）With high temperature pretreatment system（4）It is connected.
- A kind of 2. portable SCR denitration system flue gas analysis device according to claim 1, it is characterised in that：The height Warm pretreatment system（4）By first filter（41）, second temperature sensor（42）, high temperature pneumatic operated valve（43）, pressure sensor （44）, high temperature samples pump（45）, check valve（46）With the second filter（47）It is sequentially connected in series, the first filter（41） Smoke inlet and high temperature sampling line（48）Outlet flue be connected, the high temperature sampling line（48）Smoke inlet and the SCR The outlet flue of denitrating system is connected, the high temperature sampling line（48）With the first temperature sensor（49）It is connected；Second mistake Filter（47）Outlet flue and the high-temperature flue gas analysis system（2）Smoke inlet be connected.
- A kind of 3. portable SCR denitration system flue gas analysis device according to claim 2, it is characterised in that：It is described to blow Sweep and calibration system（3）Including the first heater strip（31）, the first magnetic valve（32）, high-temperature solenoid valve（33）, the second heater strip （34）, second solenoid valve（35）, hand-operated direction valve（36）, calibration gas cylinders group（37）, oil water separator（38）, the second pressure regulator valve （39）, the first pressure regulator valve（310）, manual ball valve（311）With purging gas cylinder（312）；First heater strip（31）With the first electricity Magnet valve（32）It is series at the second temperature sensor（42）With the first pressure regulator valve（310）Between, first pressure regulator valve（310） With the purging gas cylinder（312）It is connected, first pressure regulator valve（310）With the purging gas cylinder（312）Between pipeline on set It is equipped with the manual ball valve（311）；The high-temperature solenoid valve（33）It is series at the high temperature pneumatic operated valve（43）With the first pressure regulator valve （310）Between；Second heater strip（34）, second solenoid valve（35）And hand-operated direction valve（36）It is series at the check valve （46）With the first pressure regulator valve（310）Between, calibrating gas bottle group（37）It is connected to the hand-operated direction valve（36）The 3rd end；It is described Oil water separator（38）With the second pressure regulator valve（39）It is series at first pressure regulator valve（310）And high-temperature flue gas analysis system（2） Flue gas analyzer（25）Blow valve port between.
- A kind of 4. portable SCR denitration system flue gas analysis device according to claim 3, it is characterised in that：The height Warm flue gas analysis system（2）Including the first needle-valve flowmeter（21）, the second needle-valve flowmeter（22）, lambda sensor（23）, the 3rd Temperature sensor（24）And flue gas analyzer（25）；The first needle-valve flowmeter（21）, the second needle-valve flowmeter（22）It is in parallel In second filter（47）Outlet flue at, the first needle-valve flowmeter（21）With lambda sensor（23）Series connection, it is described Lambda sensor（23）And flue gas analyzer（25）With the data collection and transmission（5）It is electrically connected, second needle-valve Flowmeter（22）By heating pipeline（26）With the flue gas analyzer（25）Series connection, the heating pipeline（26）Upper installation is State three-temperature sensor（24）.
- A kind of 5. portable SCR denitration system flue gas analysis device according to claim 4, it is characterised in that：The oxygen Sensor（23）Outlet flue and the flue gas analyzer（25）Outlet flue and exhaust treatment system（6）It is connected.
- A kind of 6. portable SCR denitration system flue gas analysis device according to claim 5, it is characterised in that：The tail Gas processing system（6）Including 3 absorption bottles, alkaline solution is placed in first absorption bottle, is placed in second absorption bottle Be that drier is placed in hydrogen peroxide, the 3rd absorption bottle.
- A kind of 7. portable SCR denitration system flue gas analysis device according to claim 5, it is characterised in that：The number According to collection and analysis system（5）Including PLC, A/D modular converter, PC（51）And power supply；First temperature sensor（49）、 Second temperature sensor（42）, three-temperature sensor（24）, pressure sensor（44）, the first magnetic valve（32）, high-temperature electromagnetic Valve（33）, second solenoid valve（35）, lambda sensor（23）, flue gas analyzer（25）It is connected respectively with the PLC, the A/D Modular converter is used to convert analog signals into data signal, is then communicated to PC（51）Shown, stored.
- A kind of 8. portable SCR denitration system flue gas analysis device according to claim 2, it is characterised in that：The height Warm sampling line（48）Length be at least 1m, the high temperature sampling line（48）Liner material be stainless steel SS316L, EP Polished in grade, heater wire is wound outside liner and does heat-insulation layer, first temperature sensor is added between liner and heat-insulation layer （49）, first temperature sensor（49）And second temperature sensor（42）It is K-type thermocouple.
- A kind of 9. portable SCR denitration system flue gas analysis device according to claim 3, it is characterised in that：The school Quasi- gas cylinders group（37）By NO calibrating gas bottles, SO2Calibrating gas bottle, SO3Calibrating gas bottle and NH3Calibrating gas bottle forms；The purging gas cylinder （312）To be positioned over the moving cart（1）The liquid nitrogen container on top, purge gass N2。
- A kind of 10. portable SCR denitration system flue gas analysis device according to claim 4, it is characterised in that：The oxygen Sensor（23）Sample zirconia oxygen analyzer, measurement range 0 ~ 25%；The flue gas analyzer（25）It is red using MKS Fouriers Outer flue gas analyzer, its air chamber can be heated to 191 DEG C.
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| CN201720867974.9U CN207067152U (en) | 2017-07-18 | 2017-07-18 | A kind of portable SCR denitration system flue gas analysis device |
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| CN201720867974.9U CN207067152U (en) | 2017-07-18 | 2017-07-18 | A kind of portable SCR denitration system flue gas analysis device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387606A (en) * | 2018-11-27 | 2019-02-26 | 清华大学盐城环境工程技术研发中心 | A kind of SCR denitration full-scale performance evaluation system |
| CN110907386A (en) * | 2019-11-28 | 2020-03-24 | 光钙(上海)高科技有限公司 | Multi-component gas analysis system and method for waste incineration power plant |
| CN112946205A (en) * | 2021-04-27 | 2021-06-11 | 南京呈禾信息科技有限公司 | Portable low-adsorption high-temperature pretreatment device |
| CN115201422A (en) * | 2022-07-25 | 2022-10-18 | 青岛航空技术研究院 | Mobile type aircraft engine multi-state tail gas analysis device and data acquisition method thereof |
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2017
- 2017-07-18 CN CN201720867974.9U patent/CN207067152U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387606A (en) * | 2018-11-27 | 2019-02-26 | 清华大学盐城环境工程技术研发中心 | A kind of SCR denitration full-scale performance evaluation system |
| CN110907386A (en) * | 2019-11-28 | 2020-03-24 | 光钙(上海)高科技有限公司 | Multi-component gas analysis system and method for waste incineration power plant |
| CN112946205A (en) * | 2021-04-27 | 2021-06-11 | 南京呈禾信息科技有限公司 | Portable low-adsorption high-temperature pretreatment device |
| CN115201422A (en) * | 2022-07-25 | 2022-10-18 | 青岛航空技术研究院 | Mobile type aircraft engine multi-state tail gas analysis device and data acquisition method thereof |
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