阅读说明：本技术 一种脱硝催化剂性能移动试验系统及方法 (Mobile test system and method for denitration catalyst performance ) 是由 舒凯 杨世极 潘栋 徐晓涛 李淑宏 于 2021-11-10 设计创作，主要内容包括：本发明公开一种脱硝催化剂性能移动试验系统及方法,包括烟气采样模块、烟气加热及余热回收模块和多个催化剂检测模块组成,各个模块之间单独设置,且可以通过进路管道和回路管道依次连接,同时,烟气加热及余热回收模块的进路管道接入配气模块和烟气分析模块,能够对进入本系统的烟气进行分析；本系统能够拆卸组装,便于运输和携带,能够解决电厂搭建试验平台费用高的问题。(The invention discloses a denitration catalyst performance mobile test system and a denitration catalyst performance mobile test method, wherein the denitration catalyst performance mobile test system comprises a flue gas sampling module, a flue gas heating and waste heat recovery module and a plurality of catalyst detection modules, all the modules are independently arranged and can be sequentially connected through a route pipeline and a loop pipeline, and meanwhile, the route pipeline of the flue gas heating and waste heat recovery module is connected into a gas distribution module and a flue gas analysis module, so that flue gas entering the system can be analyzed; the system can be disassembled and assembled, is convenient to transport and carry, and can solve the problem that the cost of building a test platform in a power plant is high.)

1. A mobile test system for denitration catalyst performance is characterized by comprising a flue gas sampling module (1), a flue gas heating and waste heat recovery module (2), a catalyst detection module (3), a gas distribution module (4), a gas supply module (6) and a flue gas analysis module (5) which are all independently arranged;

the flue gas sampling module (1), the flue gas heating and waste heat recovery module (2) and the catalyst detection module (3) are internally provided with a route pipeline and a loop pipeline in parallel;

the flue gas heating and waste heat recovery module (2) comprises a heat exchanger (21), and a first mixer (22), a second mixer (23) and a flue gas heater (24) which are sequentially connected with an inner inlet pipeline of the heat exchanger; the hot end of the heat exchanger (21) is connected to the inlet pipeline at the upstream of the first mixer (22), and the cold end of the heat exchanger is connected to the loop pipeline of the flue gas heating and waste heat recovery module (2);

At least one catalyst detection module (3) is correspondingly cascaded on the inlet pipeline and the loop pipeline of the flue gas heating and waste heat recovery module (2) through the inlet pipeline and the loop pipeline; the inlet pipeline of the final catalyst detection module (3) is communicated with the free end of the loop pipeline to form a flue gas loop;

a first branch, a second branch and a third branch are respectively arranged on the inlet pipeline of the flue gas heating and waste heat recovery module (2), and a fourth branch is arranged on the loop pipeline; the first branch is arranged on one side of the input end of the heat exchanger (21), the second branch is arranged between the first mixer (22) and the second mixer (23), the third branch is arranged on one side of the output end of the second mixer (23), and the fourth branch and the third branch are correspondingly arranged on the loop pipeline;

the first branch and the second branch are respectively connected with the air outlet end of the air distribution module (4), and the third branch and the fourth branch are respectively connected with the sampling end of the flue gas analysis module (5);

and the air inlet end of the air distribution module (4) is connected with the air outlet end of the air supply module (6).

2. The denitration catalyst performance mobile test system according to claim 1, wherein the flue gas sampling module (1), the flue gas heating and waste heat recovery module (2), the catalyst detection module (3), the gas distribution module (4), the gas supply module (6) and the flue gas analysis module (5) each comprise a module frame for providing an installation position.

3. The mobile test system for the performance of the denitration catalyst according to claim 1, wherein the flue gas sampling module (1) comprises a filter (11), a flue gas sampling temperature sensor (13) and a flue gas sampling pressure sensor (12) which are sequentially arranged on an inner path pipeline of the flue gas sampling module;

the flue gas sampling module (1) also comprises a suction fan (14), a flue gas discharge temperature sensor (16) and a flue gas discharge pressure sensor (15) which are sequentially arranged on the inner loop pipeline.

4. The mobile test system for the performance of the denitration catalyst, according to claim 1, wherein the hot fluid in the heat exchanger (21) is hot flue gas in a pipeline of a inlet, and the cold fluid is cold flue gas in a pipeline of a loop.

5. The denitration catalyst performance mobile test system according to claim 1, wherein the catalyst detection module (3) comprises a catalyst detection box (31), a catalyst detection temperature sensor (33) and a catalyst detection pressure sensor (32) which are sequentially arranged on an inner path pipeline of the denitration catalyst performance mobile test system.

6. The mobile test system for the performance of the denitration catalyst according to claim 1, wherein the gas outlet end of the gas distribution module (4) comprises a first gas supply branch, a second gas supply branch and a third gas supply branch which are arranged in parallel;

The first air supply branch and the second air supply branch are connected into a first branch of the flue gas heating and waste heat recovery module (2) in a confluence mode, and the third air supply branch is connected into a second branch of the flue gas heating and waste heat recovery module (2);

and the first air supply branch, the second air supply branch and the third air supply branch are respectively provided with a corresponding flowmeter (41) and a corresponding valve (42).

7. The mobile denitration catalyst performance test system according to claim 1, wherein the gas supply module (6) comprises a nitric oxide gas cylinder (61), a sulfur dioxide gas cylinder (62) and an ammonia gas cylinder (63),

the gas outlet end of the gas supply module (6) comprises output ends of a nitric oxide gas cylinder (61), a sulfur dioxide gas cylinder (62) and an ammonia gas cylinder (63), and the output ends of the gas supply module are respectively connected to a first gas supply branch, a second gas supply branch and a third gas supply branch of the gas distribution module (4) in sequence.

8. The denitration catalyst performance mobile test system according to claim 1, wherein the sampling end of the flue gas analysis module (5) comprises a first flue gas analysis branch and a second flue gas analysis branch which are arranged in parallel;

the first flue gas analysis branch and the second flue gas analysis branch respectively comprise a flue gas pretreatment device (51) and a flue gas analyzer (52) which are arranged in series;

The first flue gas analysis branch is connected with a third branch of the heating and waste heat recovery system (2);

and the second flue gas analysis branch is connected with a fourth branch of the heating and waste heat recovery system (2).

9. A denitration catalyst performance movement test method is characterized in that based on any one of the denitration catalyst performance movement test systems of claims 1-8, the method comprises the following steps,

the flue gas sampling module (1), the flue gas heating and waste heat recovery module (2), the catalyst detection module (3), the gas distribution module (4), the gas supply module (6) and the flue gas analysis module (5) which are independently arranged are sequentially connected in a sealing manner to form a flue gas loop;

the real flue gas enters a route pipeline of the flue gas sampling module (1), sequentially passes through the flue gas heating and waste heat recovery module (2) and the catalyst detection module (3), and is discharged through a loop pipeline of the flue gas sampling module (1);

the flue gas analysis module (5) measures the catalytic performance data of the real flue gas, and adjusts the gas distribution module (4) according to the data to obtain simulated flue gas;

the simulated flue gas is sequentially cooled by a heat exchanger (21), mixed by a first mixer (22) and a second mixer (23) and heated by a flue gas heater (24) on an inlet pipeline of the flue gas heating and waste heat recovery module (2), the simulated flue gas is analyzed by a flue gas analysis module (5) and is simultaneously discharged to a catalyst detection module (3), and a plurality of groups of catalytic performance data are obtained.

10. The denitration catalyst performance movement test method according to claim 9, wherein the plurality of sets of catalytic performance data are different data obtained by different connection modes of the plurality of stages of catalyst detection modules (3).

Technical Field

The invention relates to a boiler test system in the thermal power industry, in particular to a mobile test system and a mobile test method for denitration catalyst performance.

Background

At present, a denitration catalyst detection/research and development test platform mainly uses N₂As the main component of the simulated smoke, NOx and NH with different concentrations are matched₃The isocompositional gas is mainly arranged in a test chamber.

However, because the coal quality condition is complex, under the conditions that high-sulfur coal is used for burning in thermal power generating units in Guizhou province of Yunnan, high-arsenic coal is used for burning in inner Mongolia regions, high-potassium high-sodium coal is used for burning in XX regions, different coal qualities and different burning modes are used, the influence difference of trace components in the flue gas on the activity of the denitration catalyst is large, and if the influence of different trace components in the flue gas on the denitration catalyst is to be researched, a sampling detection or field test platform building mode is generally adopted.

The sampling detection can be carried out when the unit is required to be stopped, and the maintenance time and plan of the power plant need to be matched, so that the time waste and the limitation are caused, and the convenience is extremely poor; the investment for building a field test platform is high, and the equipment is not movable, so that the investment waste is easily caused.

Disclosure of Invention

Aiming at the problem that the denitration catalyst detection platform in the prior art is poor in adaptability, the invention provides a denitration catalyst performance mobile test system and a denitration catalyst performance mobile test method.

The invention is realized by the following technical scheme:

a mobile test system for denitration catalyst performance comprises a flue gas sampling module, a flue gas heating and waste heat recovery module, a catalyst detection module, a gas distribution module, a gas supply module and a flue gas analysis module which are all independently arranged;

the flue gas sampling module, the flue gas heating and waste heat recovery module and the catalyst detection module are internally provided with a route pipeline and a loop pipeline in parallel;

the flue gas heating and waste heat recovery module comprises a heat exchanger, and a first mixer, a second mixer and a flue gas heater which are sequentially connected to an inner route pipeline of the heat exchanger; the hot end of the heat exchanger is connected to the inlet pipeline at the upstream of the first mixer, and the cold end of the heat exchanger is connected to the loop pipeline of the flue gas heating and waste heat recovery module;

At least one catalyst detection module is correspondingly cascaded on the inlet pipeline and the loop pipeline of the flue gas heating and waste heat recovery module through the inlet pipeline and the loop pipeline; the inlet pipeline of the final catalyst detection module is communicated with the free end of the loop pipeline to form a flue gas loop;

a first branch, a second branch and a third branch are respectively arranged on the inlet pipelines of the flue gas heating and waste heat recovery module, and a fourth branch is arranged on the loop pipeline; the first branch is arranged on one side of the input end of the heat exchanger, the second branch is arranged between the first mixer and the second mixer, the third branch is arranged on one side of the output end of the second mixer, and the fourth branch and the third branch are arranged on the loop pipeline in a position corresponding to each other;

the first branch and the second branch are respectively connected with the gas outlet end of the gas distribution module, and the third branch and the fourth branch are respectively connected with the sampling end of the smoke analysis module;

and the air inlet end of the air distribution module is connected with the air outlet end of the air supply module.

Further, the flue gas sampling module, the flue gas heating and waste heat recovery module, the catalyst detection module, the gas distribution module, the gas supply module and the flue gas analysis module all comprise module frames for providing installation positions.

Further, the flue gas sampling module comprises a filter, a flue gas sampling temperature sensor and a flue gas sampling pressure sensor which are sequentially arranged on an inner inlet pipeline of the flue gas sampling module;

the flue gas sampling module also comprises a suction fan, a flue gas discharge temperature sensor and a flue gas discharge pressure sensor which are sequentially arranged on the inner loop pipeline.

Furthermore, hot fluid in the heat exchanger is hot flue gas in the inlet pipeline, and cold fluid is cold flue gas in the return pipeline.

Further, the catalyst detection module comprises a catalyst detection box, a catalyst detection temperature sensor and a catalyst detection pressure sensor which are sequentially arranged on the inner inlet pipeline of the catalyst detection module.

Further, the air outlet end of the air distribution module comprises a first air supply branch, a second air supply branch and a third air supply branch which are arranged in parallel;

the first air supply branch and the second air supply branch are connected into a first branch of the flue gas heating and waste heat recovery module in a confluence mode, and the third air supply branch is connected into a second branch of the flue gas heating and waste heat recovery module;

and the first air supply branch, the second air supply branch and the third air supply branch are respectively provided with a corresponding flowmeter and a corresponding valve.

Further, the gas supply module comprises a nitric oxide gas cylinder, a sulfur dioxide gas cylinder and an ammonia gas cylinder,

The gas outlet end of the gas supply module comprises output ends of a nitric oxide gas cylinder, a sulfur dioxide gas cylinder and an ammonia gas cylinder, and the output ends of the gas supply module are respectively connected into a first gas supply branch, a second gas supply branch and a third gas supply branch of the gas distribution module in sequence.

Further, the sampling end of the flue gas analysis module comprises a first flue gas analysis branch and a second flue gas analysis branch which are arranged in parallel;

the first flue gas analysis branch and the second flue gas analysis branch respectively comprise a flue gas pretreatment device and a flue gas analyzer which are connected in series;

the first flue gas analysis branch is connected with a third branch of the heating and waste heat recovery system;

and the second flue gas analysis branch is connected with a fourth branch of the heating and waste heat recovery system.

A mobile test method for the performance of a denitration catalyst comprises the following steps,

the flue gas sampling module, the flue gas heating and waste heat recovery module, the catalyst detection module, the gas distribution module, the gas supply module and the flue gas analysis module which are independently arranged are sequentially connected in a sealing manner to form a flue gas loop;

the real flue gas enters a route pipeline of the flue gas sampling module, sequentially passes through the flue gas heating and waste heat recovery module and the catalyst detection module, and is discharged through a loop pipeline of the flue gas sampling module;

The flue gas analysis module measures the catalytic performance data of the real flue gas and adjusts the gas distribution module according to the data to obtain simulated flue gas;

the simulated flue gas is sequentially cooled by the heat exchanger, mixed by the first mixer and the second mixer and heated by the flue gas heater on the inlet pipeline of the flue gas heating and waste heat recovery module, and the simulated flue gas is analyzed by the flue gas analysis module and simultaneously discharged to the catalyst detection module to obtain multiple groups of catalytic performance data.

Further, the multiple groups of catalytic performance data are different data obtained by different connection modes of the catalyst detection modules of the multiple stages.

Compared with the prior art, the invention has the following beneficial technical effects:

the invention discloses a mobile test system for denitration catalyst performance, which comprises a flue gas sampling module, a flue gas heating and waste heat recovery module and a plurality of catalyst detection modules, wherein the flue gas sampling module, the flue gas heating and waste heat recovery module and the plurality of catalyst detection modules are independently arranged among the modules and can be sequentially connected through a route pipeline and a loop pipeline; the system can be disassembled and assembled, is convenient to transport and carry, and can solve the problem that the cost of building a test platform in a power plant is high.

Furthermore, the loop pipeline of the flue gas heating and waste heat recovery module stretches into the cold side of the heat exchanger to provide a cold source for the heat exchanger, so that the temperature of hot flue gas in the inlet pipeline is reduced, the energy consumption can be reduced, and the energy is saved.

The invention relates to a mobile test method for denitration catalyst performance, which comprises the steps of sealing and assembling a flue gas sampling module, a flue gas heating and waste heat recovery module and at least one catalyst detection module, collecting components of real flue gas through a flue gas analysis module, simulating the real flue gas through a gas distribution module and a gas supply module, cooling, multi-stage stirring and heating to obtain simulated flue gas, and enabling the simulated flue gas to enter the catalyst detection module to obtain a plurality of groups of catalytic performance data under the condition that a plurality of catalyst detection modules are connected; the multi-group catalyst detection module is assembled to test to obtain multi-group catalytic performance data, so that the problems of extremely poor convenience, higher investment in building a field test platform, immovable equipment and investment waste are solved.

Drawings

Fig. 1 is a schematic diagram of a mobile test system for denitration catalyst performance in an embodiment of the present invention.

In the figure: the flue gas sampling device comprises a flue gas sampling module 1, a filter 11, a flue gas sampling pressure sensor 12, a flue gas sampling temperature sensor 13, a suction fan 14, a flue gas discharge pressure sensor 15, a flue gas discharge temperature sensor 16, a flue gas heating and waste heat recovery module 2, a heat exchanger 21, a first mixer 22, a second mixer 23, a flue gas heater 24, a catalyst detection module 3, a catalyst detection box 31, a catalyst detection pressure sensor 32, a catalyst detection temperature sensor 33, a gas distribution module 4, a flowmeter 41, a valve 42, a flue gas analysis module 5, a flue gas pretreatment device 51, a flue gas analyzer 52, a gas supply module 6, a nitric oxide gas cylinder 61, a sulfur dioxide gas cylinder 62 and an ammonia gas cylinder 63.

Detailed Description

The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.

The invention discloses a mobile test system for denitration catalyst performance, which comprises a flue gas sampling module 1, a flue gas heating and waste heat recovery module 2, a catalyst detection module 3, a gas distribution module 4, a gas supply module 6 and a flue gas analysis module 5 which are all independently arranged, as shown in figure 1;

the flue gas sampling module 1, the flue gas heating and waste heat recovery module 2 and the catalyst detection module 3 are internally provided with a route pipeline and a loop pipeline in parallel;

the flue gas heating and waste heat recovery module 2 comprises a heat exchanger 21, and a first mixer 22, a second mixer 23 and a flue gas heater 24 which are sequentially connected to an inner inlet pipeline of the heat exchanger; the hot end of the heat exchanger 21 is connected to the inlet pipeline at the upstream of the first mixer 22, and the cold end of the heat exchanger is connected to the loop pipeline of the flue gas heating and waste heat recovery module 2;

at least one catalyst detection module 3 is correspondingly cascaded on the inlet pipeline and the loop pipeline of the flue gas heating and waste heat recovery module 2 through the inlet pipeline and the loop pipeline; the inlet pipeline of the final catalyst detection module 3 is communicated with the free end of the loop pipeline to form a flue gas loop;

A first branch, a second branch and a third branch are respectively arranged on the inlet pipeline of the flue gas heating and waste heat recovery module 2, and a fourth branch is arranged on the loop pipeline; the first branch is arranged on one side of the input end of the heat exchanger 21, the second branch is arranged between the first mixer 22 and the second mixer 23, the third branch is arranged on one side of the output end of the second mixer 23, and the fourth branch and the third branch are correspondingly arranged on the loop pipeline;

the first branch and the second branch are respectively connected with the air outlet end of the air distribution module 4, and the third branch and the fourth branch are respectively connected with the sampling end of the smoke analysis module 5;

and the air inlet end of the air distribution module 4 is connected with the air outlet end of the air supply module 6.

Specifically, the inlet pipeline of the flue gas sampling module 1 is used for connecting a smoke exhaust system of a power plant boiler, flue gas is connected into the system, and the loop pipeline of the flue gas sampling module is used for finally discharging the flue gas collected or simulated by the system.

Specifically, hot fluid is the hot flue gas in the inlet pipeline in the heat exchanger 21, and cold fluid is the cold flue gas of return circuit pipeline, and this structure make full use of the decline of the interior flue gas temperature of inlet pipeline and return circuit pipeline, cools down the flue gas in the inlet pipeline, can reduce the energy consumption, plays energy-conserving effect.

Specifically, the flue gas sampling module 1, the flue gas heating and waste heat recovery module 2, the catalyst detection module 3, the gas distribution module 4, the gas supply module 6 and the flue gas analysis module 5 are all connected in a sealing manner through quick interfaces.

The invention provides a preferred embodiment that the flue gas sampling module 1, the flue gas heating and waste heat recovery module 2, the catalyst detection module 3, the gas distribution module 4, the gas supply module 6 and the flue gas analysis module 5 all comprise module frames for providing installation positions, communication interfaces, display windows and connecting ports which are mutually connected with other systems are reserved on the module frames, and after the modules are transported to the site, the modules are assembled on the site to form a complete catalyst performance test system.

In another preferred embodiment provided by the invention, the flue gas sampling module 1 comprises a filter 11, a flue gas sampling temperature sensor 13 and a flue gas sampling pressure sensor 12 which are sequentially arranged on an inner inlet pipeline thereof;

flue gas sampling module 1 is still including setting gradually suction fan 14 on its inner loop pipeline, flue gas discharge temperature sensor 16 and flue gas discharge pressure sensor 15, it is concrete, suction fan 14 is used for providing flue gas entering and exhaust kinetic energy for entire system, flue gas discharge temperature sensor 16 is used for detecting the temperature of exhaust flue gas, flue gas discharge pressure sensor 15 is used for showing the pressure value of exhaust flue gas, can detect the suitability of 14 wind speed sizes of suction fan, make the flue gas can accomplish the whole process of this system along the inlet loop pipeline of this system. Specifically, the filter 11 one side of flue gas sampling module 1 still is provided with the check valve, prevents that the flue gas backward flow from causing the inaccuracy that detects the catalysis performance.

Another preferred embodiment provided by the present invention is that the catalyst detection module 3 comprises a catalyst detection box 31, a catalyst detection temperature sensor 33 and a catalyst detection pressure sensor 32 which are sequentially arranged on an inner inlet pipeline thereof, and is specifically used for carrying out catalytic reaction on components in flue gas, meanwhile, the catalyst detection module 3 can be more groups connected in series or in parallel and is used for measuring catalytic effect data of the catalyst detection module 3 under various conditions, as shown in fig. 1, the present invention provides a catalyst detection module 3 with two groups which are mutually connected in series step by step, the inlet pipeline and the free end of the loop pipeline in the last catalyst detection module 3 are mutually connected to form a flue gas loop; meanwhile, in specific implementation, a single catalyst detection module 3 may be used to detect the performance of the catalyst, or three catalyst detection modules 3 may be connected in series one after another to detect the performance of the catalyst.

Another preferred embodiment provided by the present invention is that the air outlet end of the air distribution module 4 comprises a first air supply branch, a second air supply branch and a third air supply branch which are arranged in parallel; the first air supply branch and the second air supply branch are connected into a first branch of the flue gas heating and waste heat recovery module 2 in a confluence manner, and the third air supply branch is connected into a second branch of the flue gas heating and waste heat recovery module 2; the first air supply branch, the second air supply branch and the third air supply branch are respectively provided with a corresponding flowmeter 41 and a corresponding valve 42, the flowmeter 41 can adopt an FT MCS flowmeter, and the valve 42 can adopt a 20HSK10 regulating valve, so that the gas flow of the input heating and waste heat recovery system 2 can be adjusted and monitored.

In another preferred embodiment provided by the present invention, the sampling end of the flue gas analysis module 5 includes a first flue gas analysis branch and a second flue gas analysis branch which are arranged in parallel;

the first flue gas analysis branch and the second flue gas analysis branch respectively comprise a flue gas pretreatment device 51 and a flue gas analyzer 52 which are arranged in series;

the first flue gas analysis branch is connected with a third branch of the heating and waste heat recovery system 2;

and the second flue gas analysis branch is connected with a fourth branch of the heating and waste heat recovery system 2.

Air feed module 6 includes nitric oxide cylinder 61, sulfur dioxide gas cylinder 62 and ammonia cylinder 63, and is specific, and ammonia cylinder 63 is used for configuring the reductant of required ammonia-nitrogen ratio, and the end of giving vent to anger of air feed module 6 includes the output of nitric oxide cylinder 61, sulfur dioxide gas cylinder 62 and ammonia cylinder 63, and its output corresponds first air feed branch road, second air feed branch road and the third air feed branch road of inserting distribution module 4 respectively. The existing catalyst detection system needs to detect in a laboratory, the main component of the used gas is nitrogen, the field real flue gas is simulated, the system utilizes the field actual flue gas to test to obtain the component parameters of the real flue gas, the simulated flue gas is obtained in the gas distribution module 4 and the gas supply module 6 according to the parameters, and the performance of the catalyst under the actual flue gas condition can be reflected more truly.

The invention provides a mobile test method for denitration catalyst performance, which comprises the following steps,

the flue gas sampling module 1, the flue gas heating and waste heat recovery module 2, the catalyst detection module 3, the gas distribution module 4, the gas supply module 6 and the flue gas analysis module 5 which are independently arranged are sequentially connected in a sealing manner, and a flue gas loop is formed;

the real flue gas enters a route pipeline of the flue gas sampling module 1, sequentially passes through the flue gas heating and waste heat recovery module 2 and the tail end catalyst detection module 3, and is finally discharged through a route pipeline of the flue gas sampling module 1;

the flue gas analysis module 5 measures the catalytic performance data of real flue gas, and adjusts the gas distribution module 4 to simulate the flue gas according to the data, specifically, the collected real flue gas may not reach the concentration required by the test on the concentration of some substances, so that part of the substance concentration needs to be adjusted according to the gas supply module to reach the test requirement, so the simulated flue gas mainly aims at enabling the components of the flue gas to reach the test requirement;

the simulated flue gas is sequentially cooled by the heat exchanger 21, stirred and mixed by the first mixer 22 and the second mixer 23 and heated by the flue gas heater 24 on the inlet pipeline of the flue gas heating and waste heat recovery module 2, the simulated flue gas is analyzed by the flue gas analysis module 5 and is simultaneously discharged to the catalyst detection module 3, and a plurality of groups of catalytic performance data are obtained.

The multiple groups of catalytic performance data are different data obtained by connecting the multiple catalyst detection modules 3.

By the scheme, the catalyst detection platform can be integrated into a plurality of modules, the test is carried out after the field assembly, and after the test is finished or the research is finished, each module can be separately transported to the next field for continuous use, so that the problems that the sampling detection can be carried out when a unit is stopped, the time waste and the limitation are great due to the matching of the maintenance time and the plan of a power plant are solved, and the convenience is extremely poor; the investment for building a field test platform is high, and the equipment is not movable, so that the problem of investment waste is easily caused.