CN211235526U

CN211235526U - Nitrogen monoxide and ammonia double-gas online analyzer

Info

Publication number: CN211235526U
Application number: CN201922481103.5U
Authority: CN
Inventors: 鲍轶轮; 丁根生; 方普; 宁晓乐; 朱凯; 过俊豪; 程礼波; 元智明
Original assignee: Hangzhou Chaumet Technology Co ltd
Current assignee: Hangzhou Chaumet Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-11
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a two gaseous on-line analysis appearance of nitrogen monoxide and ammonia, including the analysis appearance main part, one side internal surface of analysis appearance main part is provided with filters relief pressure valve and opens the light source, it is located the lower extreme that filters the relief pressure valve to open the light source, the upper end internal surface of analysis appearance main part is provided with PT100, heating piece, jet pump module and gas chamber, PT100 is located one side of jet pump module, the heating piece is located one side of PT100, the gas chamber is located the lower extreme of heating piece, the rear end internal surface of analysis appearance main part is provided with spectrum appearance module, straight solenoid valve and HMI display screen, straight solenoid valve is located one side of spectrum appearance module. A two gaseous on-line analysis appearance of nitric oxide and ammonia, adopt high temperature companion's heat extraction technique, carry out continuous on-line monitoring to the pollution factor of denitration in-process, mainly be applied to numerous industrial field gas emission monitoring and process control.

Description

Nitrogen monoxide and ammonia double-gas online analyzer

Technical Field

The utility model relates to a gas emission monitoring field, in particular to nitric oxide and ammonia bipass on-line analyzer.

Background

In recent years, the economic development speed of China is rapid, the brought environmental problems are increasingly prominent, with the great improvement of the tail gas treatment technology, new problems are continuously generated in the aspects of management and technology, at present, environmental protection departments in various places also develop a plurality of relevant policies and measures aiming at the emission requirements of ammonia gas after an SCR denitration device, and the places require an ammonia escape online monitoring system installed by enterprises.

The product is executed according to the standard in JJF 1362-2012 flue gas analyzer type evaluation outline, the high-temperature heat tracing in the whole process from sampling to measurement can simultaneously analyze the concentration of NH3 and NO under the condition of not changing the components of the flue gas, and the reliability of the measured data of the instrument is improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a two gaseous on-line analysis appearance of nitric oxide and ammonia possesses measurement accuracy height, and is with low costs, and the maintenance volume is few, advantages such as good reliability can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: an online analyzer for nitric oxide and ammonia gas comprises an analyzer main body, wherein a filtering pressure reducing valve and a light-emitting power supply are arranged on the inner surface of one side of the analyzer main body, the light-emitting power supply is positioned at the lower end of the filtering pressure reducing valve, a PT100, a heating block, a jet pump module and a gas chamber are arranged on the inner surface of the upper end of the analyzer main body, the PT100 is positioned on one side of the jet pump module, the heating block is positioned on one side of the PT100, the gas chamber is positioned at the lower end of the heating block, a spectrometer module, a straight electromagnetic valve and an HMI (human machine interface) display screen are arranged on the inner surface of the rear end of the analyzer main body, the straight electromagnetic valve is positioned on one side of the spectrometer module, the HMI display screen is positioned at the lower end of the spectrometer module, a first temperature controller, a solid state relay and a second temperature controller are arranged, the second temperature controller is positioned on one side of the solid-state relay.

Preferably, an installation groove is formed between the filtering and pressure reducing valve and the analyzer body, and the outer surface of one side of the filtering and pressure reducing valve is fixedly connected with the inner surface of one side of the analyzer body through the installation groove.

Preferably, a fixing groove is formed between the jet pump module and the analyzer body, and the outer surface of one side of the jet pump module is fixedly connected with the inner surface of the upper end of the analyzer body through the fixing groove.

Preferably, the outer surface of one side of the heating block is fixedly connected with the outer surface of one side of the jet pump module through the analyzer main body, and the outer surface of one side of the PT100 is fixedly connected with the outer surface of one side of the jet pump module through the analyzer main body.

Preferably, the outer surface of one side of the filtering and pressure reducing valve is fixedly connected with the outer surface of one side of the switching-on light power supply through the analyzer main body, and the outer surface of one side of the filtering and pressure reducing valve is fixedly connected with the outer surface of one side of the solid-state relay through the analyzer main body.

(III) advantageous effects

Compared with the prior art, the utility model provides a two gaseous on-line analysis appearance of nitric oxide and ammonia possesses following beneficial effect:

1. at present, the measuring method of the domestic ammonia escape analyzer is mainly an extraction type laser method, and the extraction type laser method can only measure NH3 gas and cannot measure NO and SO2 due to the limitation of the measuring principle. The developed NO and ammonia double-gas online analysis system can detect NH3, NO and SO2, and operation cost is reduced.

2. The whole process adopts a high-temperature heat tracing mode, the jet pump is used as power, the gas enters the gas chamber after two-stage filtration, and the gas chamber has no easily damaged parts such as a condenser and a diaphragm pump, so that the gas chamber has the advantages of more stable equipment, reduced operation cost and the like.

3. The temperature and pressure measurement is added in the measuring pool, the gas pressure in the measuring pool is consistent with the gas pressure in the flue by controlling the pressure and the flow of the compressed air, and the temperature compensation function is added on the software, so that the error caused by the difference between the temperature and the pressure in the measuring pool and the temperature and the pressure in the flue is eliminated, and the measured data of the instrument is more accurate.

4. Most ammonia escape analyzers in the market at present easily cause the situation of low measurement data due to the adsorption problem of NH3, and the whole pipeline of the product developed by our company is made of 316L stainless steel, and the whole gas path is passivated before leaving the factory, so that the adsorption of NH3 is reduced, and the NH3 data measurement is more accurate.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the online analyzer for nitric oxide and ammonia gas.

Fig. 2 is a side view of the utility model of a nitric oxide and ammonia dual-gas on-line analyzer.

Fig. 3 is a front view of the online analyzer for nitric oxide and ammonia in the present invention.

In the figure: 1. an analyzer body; 2. PT 100; 3. a heating block; 4. a jet pump module; 5. a spectrometer module; 6. a straight electromagnetic valve; 7. an HMI display screen; 8. a first temperature controller; 9. a gas chamber; 10. a solid state relay; 11. a second temperature controller; 12. switching on a light power supply; 13. and (4) filtering the pressure reducing valve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, an online analyzer for nitric oxide and ammonia gas comprises an analyzer body 1, a filter pressure reducing valve 13 and a light-on power supply 12 are arranged on the inner surface of one side of the analyzer body 1, the light-on power supply 12 is arranged at the lower end of the filter pressure reducing valve 13, a PT1002, a heating block 3, a jet pump module 4 and a gas chamber 9 are arranged on the inner surface of the upper end of the analyzer body 1, the PT1002 is arranged at one side of the jet pump module 4, the heating block 3 is arranged at one side of the PT1002, the gas chamber 9 is arranged at the lower end of the heating block 3, a spectrometer module 5, a straight electromagnetic valve 6 and an HMI display screen 7 are arranged on the inner surface of the rear end of the analyzer body 1, the straight electromagnetic valve 6 is arranged at one side of the spectrometer module 5, the HMI display screen 7 is arranged at the lower end of the spectrometer module 5, a first temperature controller 8, the first temperature controller 8 is positioned at the upper end of the solid-state relay 10, and the second temperature controller 11 is positioned at one side of the solid-state relay 10.

Further, a mounting groove is formed between the filtering and pressure reducing valve 13 and the analyzer body 1, the outer surface of one side of the filtering and pressure reducing valve 13 is fixedly connected with the inner surface of one side of the analyzer body 1 through the mounting groove, and the filtering and pressure reducing valve 13 has the functions of dewatering, dust removal, pressure reduction and the like and is provided with automatic drainage.

Further, be provided with the fixed slot between jet pump module 4 and the analysis appearance main part 1, one side surface of jet pump module 4 passes through the fixed slot and is connected with the upper end internal surface fixed connection of analysis appearance main part 1, and jet pump module 4 provides negative pressure power, with the gas suction of flue gas in gas chamber 9.

Further, one side surface of the heating block 3 is fixedly connected with one side surface of the jet pump module 4 through the analyzer body 1, one side surface of the PT1002 is fixedly connected with one side surface of the jet pump module 4 through the analyzer body 1, the heating block 3 can be heated, and the PT100 can be subjected to overheat protection.

Further, the outer surface of one side of the filter pressure reducing valve 13 is fixedly connected with the outer surface of one side of the switching-on light power supply 12 through the analyzer body 1, the outer surface of one side of the filter pressure reducing valve 13 is fixedly connected with the outer surface of one side of the solid-state relay 10 through the analyzer body 1, and the switching-on light power supply 12 can provide power.

The working principle is as follows: the online analyzer for nitric oxide and ammonia gas is installed according to corresponding steps when needing to work, a mounting groove is arranged between a filtering and reducing valve 13 and an analyzer main body 1, one side outer surface of the filtering and reducing valve 13 is fixedly connected with one side inner surface of the analyzer main body 1 through the mounting groove, the filtering and reducing valve 13 has the functions of water removal, dust removal, pressure reduction and the like and is provided with automatic drainage, a fixing groove is arranged between a jet pump module 4 and the analyzer main body 1, one side outer surface of the jet pump module 4 is fixedly connected with the upper end inner surface of the analyzer main body 1 through the fixing groove, the jet pump module 4 provides negative pressure power to pump smoke into a gas chamber 9, one side outer surface of a heating block 3 is fixedly connected with one side outer surface of the jet pump module 4 through the analyzer main body 1, and one side outer surface of a PT1002 is fixedly connected with one side outer surface of the jet pump module 4, the heating block 3 can be heated, the PT100 can be subjected to overheat protection, a pipeline in the whole process adopts 316L stainless steel materials, and the whole gas circuit is passivated before leaving a factory, so that the adsorption of NH3 is reduced, and the NH3 data measurement is more accurate.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nitrogen monoxide and ammonia double-gas on-line analyzer, includes analysis appearance main part (1), its characterized in that: the utility model discloses a spectrometer, including analysis appearance main part (1), one side internal surface of analysis appearance main part (1) is provided with and filters relief pressure valve (13) and opens light power supply (12), it is located the lower extreme of filtering relief pressure valve (13) to open light power supply (12), the upper end internal surface of analysis appearance main part (1) is provided with PT100 (2), heating block (3), jet pump module (4) and gas chamber (9), PT100 (2) are located one side of jet pump module (4), heating block (3) are located one side of PT100 (2), gas chamber (9) are located the lower extreme of heating block (3), the rear end internal surface of analysis appearance main part (1) is provided with spectrum appearance module (5), straight solenoid valve (6) and HMI display screen (7), straight solenoid valve (6) are located one side of spectrum appearance module (5), HMI display screen (7) are located the lower extreme of spectrum appearance module (5), the front end internal surface of analysis appearance main part (1) is provided with temperature controller (8), The temperature controller comprises a solid-state relay (10) and a second temperature controller (11), wherein the first temperature controller (8) is located at the upper end of the solid-state relay (10), and the second temperature controller (11) is located on one side of the solid-state relay (10).

2. The on-line analyzer for nitric oxide and ammonia gas of claim 1, wherein: a mounting groove is formed between the filtering and reducing valve (13) and the analyzer body (1), and the outer surface of one side of the filtering and reducing valve (13) is fixedly connected with the inner surface of one side of the analyzer body (1) through the mounting groove.

3. The on-line analyzer for nitric oxide and ammonia gas of claim 1, wherein: a fixing groove is formed between the jet pump module (4) and the analyzer body (1), and the outer surface of one side of the jet pump module (4) is fixedly connected with the inner surface of the upper end of the analyzer body (1) through the fixing groove.

4. The on-line analyzer for nitric oxide and ammonia gas of claim 1, wherein: the outer surface of one side of heating block (3) passes through one side fixed surface of analysis appearance main part (1) and jet pump module (4) and is connected, one side outer surface of PT100 (2) passes through one side fixed surface of analysis appearance main part (1) and jet pump module (4) and is connected.

5. The on-line analyzer for nitric oxide and ammonia gas of claim 1, wherein: the outer surface of one side of the filtering and reducing valve (13) is fixedly connected with the outer surface of one side of the switching-on light power supply (12) through the analyzer body (1), and the outer surface of one side of the filtering and reducing valve (13) is fixedly connected with the outer surface of one side of the solid-state relay (10) through the analyzer body (1).