Membrane assembly performance detection device for industrial flue gas carbon capture

Abstract

The utility model provides a membrane component performance detection device for industrial flue gas carbon capture, and relates to the technical field of membrane component detection for carbon capture. A membrane assembly performance detection device for industrial flue gas carbon capture comprises a compressor, a first detection pipeline and a membrane assembly which are communicated in sequence, the first detection pipeline is provided with a gas inlet sampling port, the membrane assembly is communicated with a permeation pipe and a retentate pipe, the permeation pipe is provided with a permeation gas sampling port, and the retentate pipe is provided with a retentate gas sampling port. The system further comprises a flue gas cooler and an industrial flue gas pretreatment assembly which are communicated in sequence, the industrial flue gas pretreatment assembly is communicated with a compressor, a flue gas heat exchanger and a gas-liquid separator are arranged between the compressor and the first detection pipeline, and the industrial flue gas pretreatment assembly is used for adjusting the concentration of pollutants in industrial flue gas. According to the detection device, the industrial flue gas is matched with the combined filter, so that the performance of the membrane component in the actual industrial flue gas separation process can be better reflected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the membrane module detection technical field of carbon capture, specifically, relate to a kind of membrane module performance detection device of industrial flue gas carbon capture. BACKGROUND

[0002] Membrane carbon capture technology is a method for realizing the effective separation and capture of carbon dioxide in gas mixture using specific membrane materials. Membrane module is the place where CO2 separation is realized, and its separation performance determines the efficiency of carbon capture. To ensure that the membrane module can achieve the expected separation effect in actual application, membrane module separation performance detection is a very critical link, which can ensure the quality and performance of the membrane module. Most of the current membrane module detection systems use self-configured CO2 / N2 binary component mixed gas as gas source, without considering the pollution and influence of complex components of industrial flue gas on the membrane.

[0003] Patent CN107789991A discloses a detection device and method for detecting the permeation performance of a preferential organic gas separation membrane, which uses carbon dioxide-nitrogen as raw gas to test the permeation performance of the membrane to carbon dioxide. This invention is suitable for laboratory-level small membrane module detection, but it is not suitable for membrane module detection in industrial flue gas carbon capture with complex components and large gas flow. Patent CN202387380U discloses a device for testing industrial membrane modules, which solves the problems of large gas flow and difficulty in gas chromatography detection of industrial membrane modules. However, the gas source still uses artificial gas mixing, which has shortcomings in testing industrial flue gas and does not consider the influence of complex components of industrial gas on membrane performance. Industrial flue gas contains a large amount of impurities, which can pollute the membrane and affect the subsequent measurement results, i.e., repeated testing and utilization of the membrane cannot be realized. Utility model content

[0004] The utility model discloses in order to solve the problem of not being applicable to industrial flue gas in the detection device of membrane module of carbon capture at present stage, provide a kind of membrane module performance detection device of industrial flue gas carbon capture.

[0005] The embodiment of the utility model is realized as follows:

[0006] A kind of membrane module performance detection device of industrial flue gas carbon capture, including sequentially communicated compressor, first detection pipeline and membrane module, first detection pipeline is equipped with air inlet sampling port, membrane module is communicated with permeation tube and percolation tube, permeation tube is equipped with permeation gas sampling port, percolation tube is equipped with percolation gas sampling port, still include sequentially communicated flue gas cooler and industrial flue gas pretreatment component, industrial flue gas pretreatment component is communicated in compressor, above-mentioned compressor and above-mentioned first detection pipeline between are equipped with flue gas heat exchanger and gas-liquid separator, above-mentioned industrial flue gas pretreatment component is used to adjust the concentration of pollutant in industrial flue gas.

[0007] Compared with a traditional detection device or detection system, the test gas of the detection device directly uses industrial flue gas, and the industrial flue gas is subjected to filtering, compression, condensation and the like, so that the performance test of the membrane assembly under different pressure, temperature, pollutant concentration and the like conditions is met, and compared with the detection of simulating the actual flue gas by manually preparing the gas at the present stage, the application considers the influence of the complex components of the actual industrial gas on the membrane separation performance, the performance of the membrane assembly for the industrial actual flue gas separation process can be better reflected, and the detection function is better.

[0008] In some technical solutions of the utility model, the above-mentioned flue gas pretreatment assembly includes a first pipeline, a combined filter and a second pipeline which are sequentially communicated, the first pipeline is communicated with the flue gas cooler, the second pipeline is communicated with the compressor, the first pipeline is provided with a filter air inlet valve, a third pipeline is communicated at a position between the above-mentioned flue gas cooler and the above-mentioned filter air inlet valve in the first pipeline, the other end of the third pipeline is communicated with the second pipeline, and the third pipeline is provided with a bypass valve.

[0009] This design can meet the test of the membrane assembly under flue gas with different concentrations of pollutants, thereby improving the test dimension of the membrane assembly test and making the measured data more accurate.

[0010] In some technical solutions of the utility model, a second pipeline is communicated between the above-mentioned combined filter and the above-mentioned compressor, and the second pipeline is provided with a flue gas sampling port.

[0011] The flue gas sampling port can monitor the composition and concentration of flue gas at the outlet of the combined filter, so that personnel can better master the filtering condition of the combined filter.

[0012] In some technical solutions of the utility model, the above-mentioned combined filter includes a first filter for filtering SO X , a second filter for filtering NO y , and a third filter for filtering particulate matter; wherein x is 1 or 2, and y is 1 or 2.

[0013] The design can well filter the industrial flue gas.

[0014] In some technical solutions of the utility model, the above-mentioned first filter is a first ceramic catalytic filter or a first activated carbon filter, the above-mentioned second filter is a second ceramic catalytic filter or a second activated carbon filter, and the above-mentioned third filter is a ceramic filter or a third activated carbon filter; the first ceramic catalytic filter is provided with a desulfurization catalyst, and the second ceramic catalytic filter is provided with a denitration catalyst.

[0015] This design provides more model options for users, so that personnel can replace according to the actual situation.

[0016] In some technical schemes of the utility model, the outer side of the first detection pipeline is provided with electric heat tracing.

[0017] In this design, the personnel opens the electric heat tracing according to the detected data, and the electric heat tracing arranged on the pipeline can prevent the phenomenon that the flue gas is affected by the heat dissipation of the pipeline and the external environment and reduces the phenomenon that the flue gas temperature is reduced, thereby reducing the phenomenon that the saturated water is condensed and separated out due to the temperature reduction of the flue gas, and reducing the test error caused by the condensation and separation out.

[0018] In some technical schemes of the utility model, the outer side of the first detection pipeline is provided with electric heat tracing.

[0019] The heat preservation layer can alleviate the phenomenon that the flue gas is affected by the heat dissipation of the pipeline and the external environment.

[0020] In some technical schemes of the utility model, the cleaning pipeline is further provided with a nitrogen gas source communicated with one end of the cleaning pipeline and the membrane module communicated with the other end of the cleaning pipeline for cleaning the membrane module, and the cleaning pipeline is provided with a nitrogen gas purging valve.

[0021] The nitrogen gas purging helps to remove harmful substances on the surface of the membrane, reduces the damage and aging of the membrane, prolongs the service life of the membrane, and can improve the accuracy and reliability of experimental data.

[0022] In some technical schemes of the utility model, the first detection pipeline is provided with an inlet pressure gauge, the permeation pipe is sequentially provided with a permeation gas pressure gauge, a permeation gas flow meter and a vacuum pump, and the permeation residue pipe is provided with a permeation residue gas pressure gauge.

[0023] This design can effectively and quickly improve the pressure difference between the two sides of the membrane wire, control the test pressure ratio of the two sides of the membrane, and promote the separation of CO2 from the flue gas.

[0024] In some technical schemes of the utility model, the permeation residue pipe is provided with a back pressure valve.

[0025] The permeation residue gas pipeline is provided with a back pressure valve, so that the pressure of the permeation residue gas pipeline is stable, and the fluctuation of the permeation residue gas flow and pressure is reduced.

[0026] Compared with the prior art, the embodiments of the utility model have at least the following advantages or beneficial effects: the device is provided with a flue gas cooler, a compressor, a flue gas heat exchanger, a gas-liquid separator and a membrane module, and is further provided with an industrial flue gas pretreatment assembly, which, compared with the traditional configuration of a gas source plus a single filter, can realize the adjustment of flue gas parameters to meet the performance detection of the membrane module under different conditions, and can better reflect the performance of the membrane module in the industrial actual flue gas separation process. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is a schematic view of the membrane module performance detection device for industrial flue gas carbon capture according to an embodiment of the present application;

[0028] Fig. 2 It is a schematic view of the combined filter in the membrane module performance detection device for industrial flue gas carbon capture according to an embodiment of the present application;

[0029] Fig. 3 It is a structural schematic view of the membrane module in the membrane module performance detection device for industrial flue gas carbon capture according to an embodiment of the present application.

[0030] Icon: 1-flue gas cooler, 2-flue gas thermometer, 3-filter air inlet valve, 4-bypass valve, 5-combined filter, 6-flue gas sampling port, 7-compressor, 8-flue gas heat exchanger, 9-gas-liquid separator, 10-air inlet pressure gauge, 11-air inlet thermometer, 12-air inlet hygrometer, 13-air inlet flowmeter, 14-air inlet sampling port, 15-membrane module, 16-permeate gas pressure gauge, 17-permeate gas flowmeter, 18-back pressure valve, 19-vacuum pump, 20-permeate gas sampling port, 21-retentate gas pressure gauge, 22-retentate gas sampling port, 23-nitrogen purge valve, 24-first detection pipeline, 25-permeation tube, 26-retention tube, 27-first filter, 28-second filter, 29-third filter, 30-first pipeline, 31-second pipeline, 32-third pipeline, 33-electric heat tracing, 34-cleaning pipeline, 35-condensate water discharge port, 36-membrane filament, 37-housing, 38-thermal insulation layer. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0033] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] In the description of the utility model, it needs to be explained that if the position relationship indicated by the terms "inner", "outer" and the like appears, it is based on the position relationship shown in the drawings or the position relationship when the utility model product is usually placed, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the utility model.

[0035] In the description of the utility model, it also needs to be explained that unless otherwise explicitly specified and limited, if the terms "set", "install", "configure" and "connect" appear, they should be understood broadly, for example, they can be fixedly connected, or they can be detachably connected, or integrally connected; they can be mechanically connected, or they can be electrically connected; they can be directly connected, or they can be indirectly connected through an intermediate medium; they can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] Embodiment

[0037] Please refer to Figs. 1-3 A kind of membrane module performance detection device for industrial flue gas carbon capture, including sequentially communicated compressor 7, first detection pipeline 24 and membrane module 15, first detection pipeline 24 is equipped with gas sampling port 14, membrane module 15 is communicated with permeation tube 25 and retentate tube 26, permeation tube 25 is equipped with permeation gas sampling port 20, retentate tube 26 is equipped with retentate gas sampling port 22, it further includes sequentially communicated flue gas cooler 1 and industrial flue gas pretreatment assembly, industrial flue gas pretreatment assembly is communicated in compressor 7, gas-liquid separator 9 and flue gas heat exchanger 8 are equipped between above-mentioned compressor 7 and above-mentioned first detection pipeline 24, above-mentioned industrial flue gas pretreatment assembly is used to adjust the concentration of pollutant in industrial flue gas.

[0038] The principle of the detection device: first detection pipeline 24 includes inlet pressure gauge 10, inlet thermometer 11, inlet hygrometer 12, inlet flowmeter 13;Above-mentioned membrane module 15 includes membrane filament 36 and shell 37 with inner cavity, membrane filament 36 is arranged in shell 37 and divides the inner cavity to form inlet cavity and permeation cavity, above-mentioned first detection pipeline 24 and above-mentioned retentate tube 26 are all communicated in inlet cavity of shell 37, permeation tube 25 is communicated in permeation cavity of shell 37;Gas-liquid separator 9 is equipped with condensate water discharge port 35, for discharging separated condensate water;Raw gas is industrial flue gas, when needing to carry out membrane module 15 detection, first raw gas is led out from flue port to the detection device, flue gas is first passed through flue gas cooler 1, flue gas cooler 1 reduces the temperature of flue gas to below 50 DEG C, and then the cooled flue gas enters industrial flue gas pretreatment assembly, pollutant such as SOX , NO y and the concentration of particulate matter are adjusted by the industrial flue gas pretreatment assembly, and then the flue gas passes through the compressor 7 and is pressurized to 1-5 bar (A) (this step is to increase the pressure difference on both sides of the membrane of the membrane assembly 15 to be detected), and then passes through the flue gas heat exchanger 8 to cool the flue gas outlet of the compressor 7 to the test temperature of the membrane assembly 15, while condensing the water vapor in the flue gas. After the flue gas is cooled, it enters the gas-liquid separator 9, and the condensed water in the flue gas is discharged through the condensed water discharge port 35. At this point, the pretreatment operation of cooling, filtering, compressing, cooling and separating the flue gas is completed.

[0039] Before the flue gas enters the membrane assembly 15, the pressure, temperature, humidity and flow data of the flue gas at this point are recorded by the inlet pressure gauge 10, the inlet thermometer 11, the inlet hygrometer 12 and the inlet flowmeter 13 of the first detection pipeline 24, and the composition and concentration of the inlet gas are monitored from the inlet sampling port 14. Subsequently, the membrane assembly 15 enriches CO2 in the flue gas to the permeate gas end, the permeate gas flows into the permeate tube 25, and the permeate gas is sampled from the permeate gas sampling port 20 to monitor the composition and concentration of the permeate gas. The gas that does not pass through the membrane filament 36 flows to the retentate gas end, and the retentate gas flows into the retentate tube 26, and the retentate gas is sampled from the retentate gas sampling port 22 to analyze the composition and concentration of the retentate gas. The key parameters such as CO2 permeation rate and CO2 purity are calculated by the data of the raw material gas at the inlet sampling port 14, the permeate gas at the permeate gas sampling port 20 and the retentate gas at the retentate gas sampling port 22, and the detection is completed.

[0040] In the above design, compared with the traditional detection device or detection system, the test gas of the detection device directly uses industrial flue gas, and the industrial flue gas is subjected to cooling, filtering, compression, condensation and other operations to meet the performance test of the membrane assembly 15 under different pressure, temperature, pollutant concentration and other conditions. Compared with the current detection by manually preparing gas to simulate actual flue gas, the present application considers the influence of complex components of actual industrial gas on the membrane separation performance, which can better reflect the performance of the membrane assembly 15 for industrial actual flue gas separation process, and better play the role of detection. It is worth noting that a flue gas thermometer 2 is arranged between the flue gas cooler 1 and the combined filter 5. The flue gas cooler 1 is preferably selected to be a flue gas cooler 1 equipped with a control system and an automatic adjusting device. In order to prevent the high flue gas temperature from having adverse effects on the combined filter 5 and the compressor 7, the flue gas is first cooled to below 50°C by the flue gas cooler 1, and the flue gas thermometer 2 can detect the temperature of the flue gas entering the compressor 7; the cooling medium of the flue gas heat exchanger 8 is cooling water.

[0041] As a preferred embodiment, the flue gas pretreatment assembly comprises a first pipeline 30, a combined filter 5 and a second pipeline 31 connected in sequence, the first pipeline 30 is connected to the flue gas cooler 1, the second pipeline 31 is connected to the compressor 7, the first pipeline 30 is provided with a filter inlet valve 3, and a third pipeline 32 is connected at a position between the flue gas cooler 1 and the filter inlet valve 3 in the first pipeline 30, the other end of the third pipeline 32 is connected to the second pipeline 31, and the third pipeline 32 is provided with a bypass valve 4.

[0042] In the above embodiment, when it is necessary to know the influence of the original industrial flue gas without removing SO X , NO y and particulate matter on the membrane module 15, the filter inlet valve 3 can be closed and the bypass valve 4 can be opened for module testing; alternatively, the filter inlet valve 3 and the bypass valve 4 can be opened at the same time, the amount of flue gas entering the combined filter 5 can be adjusted by adjusting the opening degree of the filter inlet valve 3 and the bypass valve 4, and the pollutant concentration in the flue gas entering the membrane module 15 can be adjusted to a certain degree of adjustability to meet the testing of the membrane module 15 under flue gas with different concentrations of pollutants, thereby improving the testing dimension of the membrane module 15 and making the measured data more accurate.

[0043] As a preferred embodiment, the second pipeline 31 is provided with a flue gas sampling port 6.

[0044] In the above embodiment, the addition of the flue gas sampling port 6 can monitor the composition and concentration of the flue gas at the outlet of the combined filter 5, so that personnel can better understand the filtering condition of the combined filter 5.

[0045] As a preferred embodiment, the combined filter 5 comprises a first filter 27 for filtering SO X , a second filter 28 for filtering NO y and a third filter 29 for filtering particulate matter; wherein x is 1 or 2, and y is 1 or 2.

[0046] In the above embodiment, the first filter 27, the second filter 28 and the third filter 29 are connected in series, and the industrial flue gas generally contains a certain concentration of SO X、 , NO y and particulate matter, and this design can well filter the industrial flue gas. As a preferred embodiment, the first filter 27 is a first ceramic catalytic filter or a first activated carbon filter, the second filter 28 is a second ceramic catalytic filter or a second activated carbon filter, and the third filter 29 is a ceramic filter or a third activated carbon filter; the first ceramic catalytic filter is provided with a desulfurization catalyst, and the second ceramic catalytic filter is provided with a denitration catalyst.

[0047] In the above embodiment, the ceramic filter can achieve high-efficiency dust removal, but needs to be cleaned regularly, the third activated carbon filter has relatively short service life and needs to be replaced regularly; the ceramic catalytic filter is coated with a catalyst for removing pollutants on the surface of the ceramic filter element, wherein the desulfurization catalyst can be lime, bicarbonate, etc.; the denitration catalyst, such as urea, NH3, etc.; the ceramic catalytic filter has excellent filtering performance and catalytic properties, and is strong in corrosion resistance, long in service life, and very energy-saving and environmentally friendly; this design provides users with more model options, facilitating personnel to replace according to actual conditions.

[0048] As a relatively preferred embodiment, the first detection pipeline 24 is provided with an electric heating tape 33 outside.

[0049] In the above embodiment, the electric heating tape 33 is preferably arranged at a position where the first detection pipeline 24 is located between the inlet gas humidity meter 12 and the membrane module 15; the electric heating tape 33 is a heating method that converts electric energy into heat energy, and achieves the purposes of heating and heat preservation by installing the electric heating tape 33 on the surface or inside of a specific object; the electric heating tape 33 can increase the flue gas temperature by 1-2℃, so that the relative humidity of the flue gas changes in the range of 90%-100%; the inlet gas pressure gauge 10, the inlet gas thermometer 11, the inlet gas humidity meter 12 and the inlet gas flow meter 13 on the first detection pipeline 24 detect the pressure, temperature, humidity and flow of the gas entering the membrane module 15, and personnel turn on the electric heating tape 33 according to the detected data; the electric heating tape 33 arranged on the pipeline can prevent the flue gas from being affected by the heat dissipation of the pipeline and the external environment, reduce the phenomenon of flue gas temperature reduction, and further reduce the condensation and precipitation of the saturated water caused by the temperature reduction of the flue gas, thereby reducing the test error caused by the subsequent condensation and precipitation.

[0050] As a relatively preferred embodiment, the first detection pipeline 24 is wrapped with a heat preservation layer 38 outside.

[0051] In the above embodiment, the heat preservation layer 38 can prevent the flue gas from being affected by the heat dissipation of the pipeline and the external environment, reduce the phenomenon of flue gas temperature reduction, and further reduce the condensation and precipitation of the saturated water caused by the temperature reduction of the flue gas, thereby reducing the test error caused by the subsequent condensation and precipitation.

[0052] As a relatively preferred embodiment, a cleaning pipeline 34 is further included, one end of the cleaning pipeline 34 is connected with a nitrogen gas source, the other end is connected with the membrane module 15 for cleaning the membrane module 15, and the cleaning pipeline 34 is provided with a nitrogen purging valve 23.

[0053] In the above embodiment, the membrane module 15 includes the membrane filaments 36 and the shell 37 with an inner cavity, the membrane filaments 36 are arranged in the shell 37 to divide the inner cavity into the inlet cavity and the permeation cavity, the first detection pipeline 24, the retentate pipeline 26 and the cleaning pipeline 34 are communicated with the inlet cavity of the shell 37, the permeation pipeline 25 is communicated with the permeation cavity of the shell 37, the cleaning pipeline is communicated with the nitrogen source, and the cleaning pipeline 34 is provided with the nitrogen purge valve 23; after the detection of the membrane separation performance is completed, the feeding of the raw material gas is stopped, the nitrogen purge valve 23 is opened to start the feeding of the nitrogen to purge the membrane module 15, the nitrogen is purged to restore the separation performance of the membrane module 15 and prepare for the repeated test of the separation performance of the membrane module 15; in addition, the nitrogen purge can also help to remove the harmful substances on the membrane surface, reduce the damage and aging of the membrane, prolong the service life of the membrane, and improve the accuracy and reliability of the experimental data.

[0054] As a preferred embodiment, the first detection pipeline 24 is provided with the inlet pressure gauge 10, the permeation pipeline 25 is sequentially provided with the permeation gas pressure gauge 16, the permeation gas flow meter 17 and the vacuum pump 19, and the retentate pipeline 26 is provided with the retentate gas pressure gauge 21.

[0055] In the above embodiment, the vacuum pump 19 performs vacuumization on the permeation gas, and under the joint action of the compressor 7 and the vacuum pump 19, the separation performance detection of the membrane module 15 can be realized under the pressure ratio of 2-50 between the inlet cavity and the permeation cavity of the membrane module 15, and this design can effectively and quickly increase the pressure difference between the two sides of the membrane filaments 36, control the test pressure ratio between the two sides of the membrane, and promote the separation of CO2 from the flue gas.

[0056] As a preferred embodiment, the retentate pipeline 26 is provided with the back pressure valve 18.

[0057] In the above embodiment, the retentate gas pipeline is provided with the back pressure valve 18, so that the pressure of the retentate gas pipeline is stable, and the fluctuation of the retentate gas flow and pressure is reduced.

[0058] In summary, the embodiment of the utility model provides a kind of membrane module performance detection device for industrial flue gas carbon capture, uses industrial flue gas as gas source, the provided operation of cooling, filtering, compressing, cooling and liquid separation before flue gas enters membrane module 15, can realize adjusting flue gas parameter to meet the performance detection of membrane module 15 under different conditions, and test gas directly uses industrial flue gas, more can reflect the performance of membrane module 15 for industrial actual flue gas separation process, better detect membrane module 15, and detection result is also more comprehensive and accurate.

[0059] The above merely is preferred embodiment of the present utility model, and is not for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A kind of membrane module performance detection device of industrial flue gas carbon capture, comprising compressor (7) in order, first detection pipeline (24) and membrane module (15), first detection pipeline (24) gas sampling port (14), membrane module (15) is connected with permeation tube (25) and retentate pipe (26), permeation tube (25) is equipped with permeation gas sampling port (20), retentate pipe (26) is equipped with retentate gas sampling port (22), it is characterized in that, The flue gas cooler (1) and the industrial flue gas pretreatment assembly are sequentially connected, the industrial flue gas pretreatment assembly is communicated with the compressor (7), the flue gas heat exchanger (8) and the gas-liquid separator (9) are arranged between the compressor (7) and the first detection pipeline, and the industrial flue gas pretreatment assembly is used for adjusting the concentration of pollutants in the industrial flue gas.

2. The device for detecting the performance of a membrane module for carbon capture from industrial flue gas according to claim 1, characterized in that, The flue gas pretreatment assembly comprises a first pipeline (30), a combined filter (5) and a second pipeline (31) which are sequentially connected, the first pipeline (30) is communicated with the flue gas cooler (1), the second pipeline (31) is communicated with the compressor (7), the first pipeline (30) is provided with a filter air inlet valve (3), a third pipeline (32) is communicated between the flue gas cooler (1) and the filter air inlet valve (3) in the first pipeline (30), and the other end of the third pipeline is communicated with the second pipeline (31); and the third pipeline (32) is provided with a bypass valve (4).

3. The device for detecting the performance of a membrane module for industrial flue gas carbon capture according to claim 2, characterized in that, The second pipeline (31) is provided with a flue gas sampling port (6).

4. The device for detecting the performance of a membrane module for industrial flue gas carbon capture according to claim 2, characterized in that, The combined filter (5) comprises a first filter (27) for filtering SO X x, a second filter (28) for filtering NO y y, and a third filter (29) for filtering particulate matter; wherein x is 1 or 2, and y is 1 or 2.

5. The device for detecting the performance of a membrane module for industrial flue gas carbon capture according to claim 4, characterized in that, The first filter (27) is a first ceramic catalytic filter or a first activated carbon filter, the second filter (28) is a second ceramic catalytic filter or a second activated carbon filter, the third filter (29) is a ceramic filter or a third activated carbon filter, and the first ceramic catalytic filter is provided with a desulfurization catalyst, and the second ceramic catalytic filter is provided with a denitration catalyst.

6. The device for detecting the performance of a membrane module for industrial flue gas carbon capture according to claim 1, characterized in that, The first detection pipeline (24) is provided with an electric heat tracing (33) outside.

7. The device for detecting the performance of a membrane module for carbon capture from industrial flue gas according to claim 1 or 6, characterized in that, The first detection pipeline (24) is wrapped with a heat preservation layer (38) outside.

8. The device for detecting the performance of a membrane module for industrial flue gas carbon capture according to claim 1, characterized in that, A cleaning pipeline (34) is further arranged, one end of the cleaning pipeline (34) is communicated with a nitrogen gas source, the other end of the cleaning pipeline (34) is communicated with the membrane assembly (15) for cleaning the membrane assembly (15), and the cleaning pipeline (34) is provided with a nitrogen purging valve (23).

9. The device for detecting the performance of a membrane module for industrial flue gas carbon capture according to claim 1, characterized in that, The permeation pipe (25) is sequentially provided with a permeation gas pressure gauge (16), a permeation gas flow meter (17) and a vacuum pump (19), and the retentate pipe (26) is provided with a retentate gas pressure gauge (21).

10. The device for detecting the performance of a membrane module for industrial flue gas carbon capture according to claim 9, characterized in that, The retentate pipe (26) is provided with a back pressure valve (18).

Images