CN216630356U - Detection system - Google Patents

Abstract

The utility model provides a detection system. The detection system comprises: the mixed gas pretreatment assembly comprises a cache structure, a filtering assembly and a heating device which are sequentially arranged, wherein the cache structure is used for storing mixed gas; a separation assembly located downstream of the mixed gas pretreatment assembly and including a gas membrane mount comprising a plurality of gas membrane mounts; the detection assembly comprises a first detection device and a second detection device, wherein the first detection device is positioned between the separation assembly and the mixed gas pretreatment assembly and is used for detecting at least one of the air pressure, the temperature and the flow of the mixed gas; the second detection device is positioned at the downstream of the separation assembly and is used for detecting at least one of the gas pressure, the temperature, the flow and the component content of the separated gas; wherein, along the flow direction of the gas in the detection system, at least two gas film installation parts are arranged in parallel. The utility model solves the problem of low detection efficiency of the detection system in the prior art.

Description

Detection system

Technical Field

The utility model relates to the technical field of gas separation, in particular to a detection system.

Background

At present, the gas membrane separation process has wide prospects in the aspects of preparation of industrial product gas, comprehensive utilization of waste gas and environmental protection. Specifically, the principle of the gas membrane separation process is to separate different gases through different permeation rates of the membrane wall under the action of partial pressure difference between two sides of the membrane by utilizing different dissolution diffusion rates of each gas component in the membrane material. Among them, a performance parameter of the gas membrane (such as separation efficiency) is generally measured using a measuring system.

However, in the prior art, the detection system can only detect the separation efficiency of a single gas membrane, which results in low detection efficiency of the detection system, long detection time and increased labor intensity of workers.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a detection system to solve the problem that the detection system in the prior art is low in detection efficiency.

In order to achieve the above object, the present invention provides a detection system for detecting a performance parameter of a gas film, the detection system comprising: the mixed gas pretreatment assembly comprises a cache structure, a filtering assembly and a heating device which are sequentially arranged, wherein the cache structure is used for storing mixed gas; the separation assembly is positioned at the downstream of the mixed gas pretreatment assembly and comprises a gas film mounting seat, and the gas film mounting seat comprises a plurality of gas film mounting parts; the detection assembly comprises a first detection device and a second detection device, wherein the first detection device is positioned between the separation assembly and the mixed gas pretreatment assembly and is used for detecting at least one of the air pressure, the temperature and the flow of the mixed gas; the second detection device is positioned at the downstream of the separation assembly and is used for detecting at least one of the gas pressure, the temperature, the flow and the component content of the separated gas; wherein, along the flow direction of the gas in the detection system, at least two gas film installation parts are arranged in parallel.

Further, each gas film mounting portion includes: a first branch pipe; and a second branch pipe detachably connected to the first branch pipe, the first branch pipe communicating with the second branch pipe through a gas film mounted on the gas film mounting part when the first branch pipe and the second branch pipe are in a detached state.

Further, each gas film mounting portion further includes: a first gas film connection portion provided on the first branch pipe; and/or a second gas film connection provided on the second branch pipe.

Further, the first branch pipe is one; or the number of the first branch pipes is multiple, and the multiple first branch pipes are arranged at intervals along the flow direction of the gas in the detection system; and/or one second branch pipe; or the number of the second branch pipes is multiple, and the multiple second branch pipes are arranged at intervals along the flowing direction of the gas in the detection system.

Further, the first branch pipe is made of rubber or silica gel; and/or the second branch tube is made of rubber or silicone.

Further, the detection system comprises: the two ends of the first main pipe are respectively communicated with the mixed gas pretreatment assembly and the plurality of first branch pipes, and the first detection device is arranged on the first main pipe; and one end of the second main pipe is communicated with the plurality of second branch pipes, and the second detection device is arranged on the second main pipe.

Further, the mixed gas pretreatment module further comprises: the first end of the first main pipe is provided with a gas inlet, and the second end of the first main pipe is communicated with the first main pipe; and the vacuumizing device is arranged on the third main pipe and is used for vacuumizing the third main pipe.

Further, the mixed gas pretreatment module further comprises: the gas-water separator is arranged on the third main pipe and is positioned between the cache structure and the filtering assembly so as to adjust the flow or flow velocity of the mixed gas in the first main pipe; and/or the drying machine is arranged on the third main pipe and is positioned between the buffer structure and the filtering component so as to be used for adsorbing liquid in the mixed gas.

Further, the detection system further comprises: the long-pending dirty box, long-pending dirty box and buffer memory structure and filter assembly all communicate to the buffer memory is located the impurity of buffer memory structure and filter assembly.

Further, the first detecting device includes a first flow meter for detecting a flow rate of the mixed gas located in the first header pipe; the detection system further comprises: the discharge regulating valve is arranged on the first main pipe and is positioned between the mixed gas pretreatment assembly and the separation assembly, so as to be used for regulating the detection value of the first flowmeter; and/or the second detection device comprises a second flow meter for detecting the flow or velocity of the gas located in the second header, the detection system further comprising: and the one-way valve is arranged on the second main pipe, and the conduction direction of the one-way valve is consistent with the flow direction of gas in the detection system.

By applying the technical scheme of the utility model, the first detection device is positioned at the upstream of the separation assembly along the flow direction of the gas in the detection system and is used for detecting at least one of the gas pressure, the temperature and the flow rate of the mixed gas. The second detection device is positioned at the downstream of the separation assembly and used for detecting at least one of the gas pressure, the temperature, the flow and the component content of the separated gas, so that the separation efficiency of the gas membrane can be obtained by comparing the detection values of the first detection device and the second detection device. Like this, because two at least gas membrane installation departments set up side by side, and the at least two gas membranes that correspond the setting with two at least gas membrane installation departments are used for separating different gases in the mist respectively, then detecting system includes two kinds of gas membranes at least to make detecting system can detect the separation efficiency of two kinds of at least gas membranes simultaneously, and then promoted detecting system's detection efficiency, shortened and detected consuming time, also reduced staff's intensity of labour, solved the lower problem of detecting system's detection efficiency among the prior art.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of the detection system according to the utility model.

Wherein the figures include the following reference numerals:

10. a gas film; 20. a cache structure; 30. a filter assembly; 31. a first filter structure; 32. a second filter structure; 33. a third filter structure; 34. a fourth filter structure; 40. a heating device; 50. a separation assembly; 51. a gas film mounting section; 511. a first branch pipe; 512. a second branch pipe; 60. a first detection device; 61. a first flow meter; 70. a second detection device; 71. a second flow meter; 72. a gas component content analyzer; 73. a pressure regulating valve; 81. a first manifold; 82. a second manifold; 83. a third header pipe; 90. a vacuum pumping device; 100. a gas-water separator; 110. a dryer; 120. a dirt accumulation box body; 130. a discharge capacity regulating valve; 140. a one-way valve; 150. a temperature sensor; 160. a buffer tank; 170. and a control module.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the detection efficiency of a detection system in the prior art is low, the application provides the detection system.

As shown in FIG. 1, the detection system is used to detect performance parameters of the gas membrane 10 and includes a mixed gas pretreatment module, a separation module 50, and a detection module. The mixed gas pretreatment assembly comprises a cache structure 20, a filtering assembly 30 and a heating device 40 which are sequentially arranged, wherein the cache structure 20 is used for storing mixed gas. The separation assembly 50 is located downstream of the mixed gas pretreatment assembly, and the separation assembly 50 includes a gas membrane mount including a plurality of gas membrane mounts 51. The detection assembly comprises a first detection device 60 and a second detection device 70, wherein the first detection device 60 is positioned between the separation assembly 50 and the mixed gas pretreatment assembly and is used for detecting at least one of the gas pressure, the temperature and the flow rate of the mixed gas. A second sensing device 70 is located downstream of the separation assembly 50 for sensing at least one of gas pressure, temperature, flow rate and component content of the gas after separation is complete. At least two gas film mounting portions 51 are provided in parallel to detect the flow direction of gas in the system.

With the solution of the present embodiment, the first detecting device 60 is located at the upstream of the separating assembly 50 along the flow direction of the gas in the detecting system, so as to detect at least one of the gas pressure, the temperature and the flow rate of the mixed gas. The second detecting device 70 is located at the downstream of the separating assembly 50, and is used for detecting at least one of the gas pressure, the temperature, the flow rate and the component content of the gas after the separation is completed, so that the separation efficiency of the gas membrane 10 can be obtained by comparing the detection values of the first detecting device 60 and the second detecting device 70. Like this, because at least two gas membrane installation departments 51 set up side by side, and the at least two gas membranes 10 that correspond the setting with at least two gas membrane installation departments 51 are used for separating different gases in the gas mixture respectively, then detecting system includes two kinds of gas membranes 10 at least to make detecting system can detect the separation efficiency of two kinds of at least gas membranes 10 simultaneously, and then promoted detecting system's detection efficiency, shortened and detected consuming time, also reduced staff's intensity of labour, the lower problem of detecting efficiency of detecting system among the prior art has been solved.

In the present embodiment, at least two gas film mounting portions 51 arranged in parallel mount gas films 10 for separating different gases in the mixed gas, that is, at least two gas films 10 arranged in parallel separate different gases in the mixed gas.

In this embodiment, the mixed gas pretreatment module is used to remove solid particles such as water and oil from the mixed gas, and can also heat the mixed gas to make the mixed gas reach an optimal film-entering state.

In the present application, the parallel arrangement means that the gas flows in the respective gas films are arranged in parallel.

Alternatively, separation assembly 50 is used for H₂/N₂、O₂/N₂、CO/H₂、CO²/CH₄And the separation of various gases.

In the present embodiment, the heating device 40 is used to heat the mixed gas to a suitable membrane feeding state, and the separation assembly 50 is capable of separating the product gas. The detection assembly is used for detecting the pressure, the temperature and the flow rate before and after the membrane, and workers can obtain the proportion of each gas in the mixed gas through component content analysis.

Optionally, the heating device 40 is a water bath heater to make the mixed gas reach the required temperature of 25-35 ℃ for entering the film.

As shown in fig. 1, the filter assembly 30 includes a first filter structure 31, a second filter structure 32, a third filter structure 33 and a fourth filter structure 34, which are sequentially disposed. Wherein the dryer 110 is located between the first filter structure 31 and the second filter structure 32.

Alternatively, all the gas membranes 10 are arranged side by side; or, at least two gas membranes 10 are arranged in series and are respectively used for separating different gases in the mixed gas; alternatively, at least two gas membranes 10 are arranged in series and are each used to separate the same gas in a mixed gas. Thus, the arrangement makes the layout of the gas film 10 more flexible, so as to meet different use requirements and working conditions and improve the processing flexibility of workers.

In the present embodiment, there are three gas membranes 10, and the three gas membranes 10 are all arranged in parallel, two gas membranes 10 are used for separating different gases in the mixed gas, and two gas membranes 10 are used for separating the same gas in the mixed gas.

The number of the gas membranes 10 is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, the gas membranes 10 are two, or four, or five, or more.

As shown in fig. 1, each gas film 10 is tubular, and the extending direction of the gas film 10 coincides with the flow direction of the gas in the detection system. Each gas film mounting part 51 includes a first branch pipe 511 and a second branch pipe 512. Wherein the second branch pipe 512 is detachably connected to the first branch pipe 511, and the first branch pipe 511 communicates with the second branch pipe 512 through the gas film 10 mounted on the gas film mounting part 51 when the first branch pipe 511 and the second branch pipe 512 are in a detached state. Wherein both ends of each gas membrane 10 are respectively communicated with the corresponding first branch pipe 511 and second branch pipe 512. Thus, the above arrangement makes the gas membranes 10 and the gas membrane mounting portion 51 easier and simpler to mount and dismount, and reduces the difficulty of mounting and dismounting. At the same time, the above arrangement ensures that the gas film 10 can communicate with the gas film mounting portion 51, and the mixed gas enters the gas film 10 through the gas film mounting portion 51.

In the present embodiment, the gas film mounting part 51 has a first state in which each first branch pipe 511 and its corresponding second branch pipe 512 are communicated with each other and a second state in which each first branch pipe 511 and its corresponding second branch pipe 512 are disconnected from each other, and each first branch pipe 511 is in the second state when each gas film 10 is installed in the detection system.

Optionally, one first branch 511; or, there are a plurality of first branch pipes 511, and the plurality of first branch pipes 511 are arranged at intervals along the flow direction of the gas in the detection system; and/or one second branch 512; alternatively, there are a plurality of second branch pipes 512, and the plurality of second branch pipes 512 are arranged at intervals along the flow direction of the gas in the detection system. Therefore, the number of the first branch pipes 511 and the second branch pipes 512 can be flexibly selected by the arrangement, so that different use requirements and working conditions can be met, and the processing flexibility of workers can be improved.

Specifically, the number of the first branch pipes 511 is three, the number of the second branch pipes 512 is three, the three first branch pipes 511 are provided in one-to-one correspondence with the three gas membranes 10, and the three first branch pipes 511 are provided in one-to-one correspondence with the three second branch pipes 512. In this way, during the operation of the detection system, the mixed gas flowing into the separation assembly 50 is divided into three paths and enters the three gas membranes 10, and each gas membrane 10 separates corresponding gas in the mixed gas, so as to obtain the separation efficiency of each gas membrane 10 through the detection results of the first detection device 60 and the second detection device 70.

Optionally, each gas film mounting part 51 further includes a first gas film connection part provided on the first branch pipe 511; and/or, each gas film mounting part 51 further comprises a second gas film connection part provided on the second branch pipe 512. In this way, the gas film 10 is connected with the branch pipe through the gas film connecting part, so that the gas film 10 and the branch pipe are easier and simpler to disassemble and assemble, the disassembling and assembling difficulty is reduced, the gas film 10 is simpler to replace, and the replacing difficulty is reduced.

In the present embodiment, each gas film mounting part 51 further includes a first gas film connection part and a second gas film connection part, the first gas film connection part being provided on the first branch pipe 511, and the second gas film connection part being provided on the second branch pipe 512. In this way, the gas film 10 is connected to the first branch pipe 511 through the first gas film connection portion and to the second branch pipe 512 through the second gas film connection portion, so that the gas film 10 is more easily and conveniently disassembled and assembled from the first branch pipe 511 and the second branch pipe 512, the disassembling and assembling difficulty is reduced, the replacement of the gas film 10 is more conveniently performed, and the replacement difficulty is reduced.

In this embodiment, the first gas film connection portion is a transition joint or a quick joint, and the second gas film connection portion is a transition joint or a quick joint, so that the first gas film connection portion and the second gas film connection portion can be more easily and conveniently assembled and disassembled with the gas film 10.

Alternatively, the first branch tube 511 is made of rubber or silicone; and/or the second branch 512 is made of rubber or silicone. Thus, the arrangement enables the first branch pipe 511 and/or the second branch pipe 512 to be of a flexible structure, on one hand, the gas membrane 10 and the first branch pipe 511 and/or the second branch pipe 512 can be conveniently disassembled and assembled, and the disassembling and assembling difficulty of workers is reduced; on the other hand, the gas film mounting part 51 can mount gas films 10 with different lengths and specifications, and the universality of the gas film mounting part 51 is improved.

As shown in fig. 1, the detection system includes a first manifold 81 and a second manifold 82. Wherein, both ends of the first header pipe 81 are respectively communicated with the mixed gas pretreatment module and the plurality of first branch pipes 511, and the first detecting device 60 is disposed on the first header pipe 81. One end of the second manifold 82 communicates with the plurality of second branch pipes 512, and the second detecting device 70 is provided on the second manifold 82. Like this, the aforesaid sets up the flow smoothness nature that has promoted the interior mist of detecting system, and then has promoted detecting system's detection reliability.

Specifically, an installation area for installing the gas membrane 10 is formed between the plurality of first branch pipes 511 and the plurality of second branch pipes 512, each of the first branch pipes 511 is connected into the detection system through the first header pipe 81, and each of the second branch pipes 512 is connected into the detection system through the second header pipe 82, so that the mixed gas in the detection system can be ensured to flow smoothly.

As shown in FIG. 1, the mixed gas pretreatment module further includes a third manifold 83 and a vacuum extractor 90. The buffer structure 20, the filter assembly 30 and the heating device 40 are all disposed on the third manifold 83, a first end of the third manifold 83 is an air inlet, and a second end of the third manifold 83 is communicated with the first manifold 81. A vacuum evacuation device 90 is provided on the third manifold 83 for evacuating the third manifold 83. In this way, before the detection system detects the separation efficiency of the gas membrane 10, the vacuum extractor 90 is started, and the vacuum extractor 90 performs a vacuum extraction operation on the detection system until the vacuum degree in the detection system is zero, so as to start detecting the separation efficiency of the gas membrane 10. Compared with the prior art that the detection system needs to continuously operate for a period of time to empty the air in the pipeline to judge the separated purity according to the display parameters of the flowmeter, the monitoring system in the embodiment only needs to start the vacuumizing device 90, so that the operation difficulty of workers is reduced.

Specifically, the vacuum pumping device 90 is disposed near the gas inlet for performing the vacuum pumping operation on the first manifold 81, the second manifold 82, and the third manifold 83, and the detection of the separation efficiency of the gas membrane 10 is not started until the vacuum degree in the detection system is zero. The heating device 40 is used to heat the mixed gas in the third manifold 83.

In this embodiment, the gas inlet is in communication with a gas source system for providing a mixed gas to the detection system. Optionally, the air supply system is a compressor, or an air compressor, or a gas station, etc.

As shown in FIG. 1, the mixed gas pretreatment module further includes a gas-water separator 100. Wherein, the gas-water separator 100 is disposed on the third main pipe 83 and between the buffer structure 20 and the filtering assembly 30 for separating gas and liquid in the mixed gas. In this way, the gas-water separator 100 is used for separating the liquid and the gas in the mixed gas to ensure that the gas enters into each main pipe, and the liquid is prevented from flowing in the detection system to influence the detection precision of the detection system.

As shown in fig. 1, the mixed gas pretreatment module further includes a dryer 110. The dryer 110 is disposed on the third main pipe 83 and between the buffer structure 20 and the filter assembly 30, so as to adsorb liquid in the mixed gas. In this way, the dryer 110 is located downstream of the gas-water separator 100, and further adsorbs the liquid mixed in the mixed gas, thereby preventing the liquid from flowing in the detection system and affecting the detection accuracy of the detection system.

As shown in fig. 1, the detection system further includes a contamination tank 120. Wherein, the pollutant accumulation box body 120 is communicated with both the buffer structure 20 and the filtering component 30 to buffer the sewage or impurities in the buffer structure 20 and the filtering component 30. Thus, the dirt accumulation box 120 is used for collecting and buffering the accumulated sewage or impurities in the buffer structure 20 and the filtering component 30, so as to prevent the other structures of the detection system from being broken down due to the flowing of the sewage or impurities in the detection system along with the mixed gas, and further improve the operation reliability of the detection system.

As shown in fig. 1, the detection system further includes a temperature sensor 150 and a buffer tank 160. During the heating of the mixed gas by the heating device 40, the temperature sensor 150 is used for detecting the temperature of the mixed gas in the third manifold 83 to ensure that the gas membrane 10 is in the rated operation condition for gas separation. The buffer tank 160 is located between the heating device 40 and the separating assembly 50, so as to buffer the mixed gas after the filtering, drying and heating are completed, thereby avoiding the repeated loading of the gas source system and improving the operating efficiency of the detection system.

As shown in fig. 1, the first detecting device 60 includes a first flow meter 61, and the first flow meter 61 is configured to detect a flow rate of the mixed gas located in the first header 81. The detection system further comprises a displacement regulating valve 130. Wherein the displacement regulating valve 130 is disposed on the first manifold 81 between the mixed gas pretreatment module and the separation module 50 for adjusting the flow rate of the mixed gas in the first manifold 81. Thus, the arrangement ensures that the detection system can meet the rated working condition requirement of the gas film 10, and further improves the detection precision of the detection system on the separation efficiency of the gas film 10. Meanwhile, in the operation process of the detection system, a worker can adjust the gas supply parameters of the gas source system according to the detection value of the first flowmeter 61 to ensure that the gas membranes 10 can be separated normally.

In this embodiment, the first detecting means 60 further includes first temperature detecting means for detecting the temperature of the mixed gas located in the first header 81.

As shown in fig. 1, the second sensing device 70 includes a second flow meter 71, the second flow meter 71 being adapted to sense the flow or velocity of the gas in the second manifold 82, and the sensing system further includes a check valve 140. Wherein, the check valve 140 is disposed on the second manifold 82, and the conducting direction of the check valve 140 is the same as the flowing direction of the gas in the detection system. In this way, the above-mentioned setting of the check valve 140 can prevent the product gas from flowing back to affect the detection accuracy and detection efficiency of the detection system, and the staff can adjust the gas supply parameters of the gas source system according to the detection value of the second flowmeter 71 to ensure that the gas membrane 10 can be separated normally.

As shown in fig. 1, the second detection device 70 further includes a gas component content analyzer 72 and a pressure regulating valve 73. The gas component content analyzer 72 is configured to display the content of each component in the separated gas, and the pressure regulating valve 73 is configured to adjust the flow rate or flow velocity of the gas in the second header pipe 82, so as to adjust the gas pressure in the second header pipe 82.

Optionally, the gas component content analyzer 72 includes a nitrogen flow meter and/or an oxygen analyzer.

As shown in fig. 1, the second sensing device 70 further comprises a second temperature sensing device for sensing the temperature of the gas located in the second manifold 82.

As shown in fig. 1, the detection system further includes a control module 170, the control module 170 is connected to both the displacement regulating valve 130 and the pressure regulating valve 73, and the pressure and the flow of the air source system are regulated by the displacement regulating valve 130 and the pressure regulating valve 73, so as to meet the rated working condition of the gas membrane 10. In this way, the control module 170 detects and collects the detection values of the first detection device 60 and the second detection device 70, and performs corresponding data processing and calculation, so as to obtain the separation efficiency, the yield of qualified product gas, the highest nitrogen purity and other relevant performance parameters of each gas membrane 10 under different pressures and different temperatures, and automatically draw a performance detection curve and a test report. The CPU can automatically send out control instructions according to the input requirement of the set test point data according to the test requirement of different working pressure points and temperature points needing data acquisition, so as to achieve the working conditions required by the test through automatically adjusting the rotating speed of the motor, the opening degrees of the pressure regulating valve 73 and the displacement regulating valve 130 and the like in an automatic control mode.

Specifically, the working principle of the detection system is as follows:

supplying power to the detection system, connecting and communicating each first branch pipe 511 and the corresponding second branch pipe 512, starting the vacuumizing device 90 and the displacement regulating valve 130, pumping out the gas in the first main pipe 81, the second main pipe 82 and the third main pipe 83 by the vacuumizing device 90, observing the control frequency parameter display of the detection system by a worker, and controlling the vacuumizing device 90 to stop running when the vacuum degree value is zero. Then, the gas membrane 10 is mounted on the gas membrane mounting part 51, the heating device 40 is started to preheat, the discharge capacity regulating valve 130 is closed, the flow rate, the pressure and the temperature value are set, the detection system automatically operates, and the temperature, the pressure and the separation efficiency of the detection system with the highest performance are obtained according to the pre-membrane data operation (the detection value of the first detection device 60) and the post-membrane data operation (the detection value of the second detection device 70).

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the first detection device is located upstream of the separation assembly in a flow direction of the gas within the detection system for detecting at least one of a pressure, a temperature, and a flow rate of the mixed gas. The second detection device is positioned at the downstream of the separation assembly and used for detecting at least one of the gas pressure, the temperature, the flow and the component content of the separated gas, so that the separation efficiency of the gas membrane can be obtained by comparing the detection values of the first detection device and the second detection device. Like this, because two at least gas membrane installation departments set up side by side, and the at least two gas membranes that correspond the setting with two at least gas membrane installation departments are used for separating different gases in the mist respectively, then detecting system includes two kinds of gas membranes at least to make detecting system can detect the separation efficiency of two kinds of at least gas membranes simultaneously, and then promoted detecting system's detection efficiency, shortened and detected consuming time, also reduced staff's intensity of labour, solved the lower problem of detecting system's detection efficiency among the prior art.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An inspection system for inspecting a performance parameter of a gas film (10), the inspection system comprising:

the mixed gas pretreatment assembly comprises a buffer structure (20), a filtering assembly (30) and a heating device (40) which are arranged in sequence, wherein the buffer structure (20) is used for storing mixed gas;

a separation assembly (50) downstream of the mixed gas pre-treatment assembly, the separation assembly (50) comprising a gas membrane mount comprising a plurality of gas membrane mounts (51);

a detection assembly comprising a first detection device (60) and a second detection device (70), the first detection device (60) being located between the separation assembly (50) and the mixed gas pretreatment assembly for detecting at least one of a gas pressure, a temperature and a flow rate of the mixed gas; the second detection device (70) is positioned at the downstream of the separation assembly (50) and is used for detecting at least one of the gas pressure, the temperature, the flow rate and the component content of the gas after the separation is finished;

wherein at least two gas film mounting parts (51) are arranged in parallel along the flow direction of the gas in the detection system.

2. The detection system according to claim 1, wherein each of the gas film mounting portions (51) includes:

a first branch pipe (511);

and a second branch pipe 512 detachably connected to the first branch pipe 511, wherein the first branch pipe 511 communicates with the second branch pipe 512 through a gas film 10 attached to the gas film attaching part 51 when the first branch pipe 511 and the second branch pipe 512 are detached from each other.

3. The detection system according to claim 2, wherein each of the gas film mounting portions (51) further includes:

a first gas film connection portion provided on the first branch pipe (511); and/or the presence of a gas in the gas,

a second gas film connection provided on the second branch pipe (512).

4. The detection system of claim 3,

-said first branch (511) is one; or, the number of the first branch pipes (511) is multiple, and the multiple first branch pipes (511) are arranged at intervals along the flow direction of the gas in the detection system; and/or the presence of a gas in the gas,

one second branch pipe (512); or the number of the second branch pipes (512) is multiple, and the second branch pipes (512) are arranged at intervals along the flow direction of the gas in the detection system.

5. A detection system according to claim 2, characterized in that said first branch duct (511) is made of rubber or silicone; and/or the second branch pipe (512) is made of rubber or silicon rubber.

6. The detection system according to claim 2, characterized in that it comprises:

a first header pipe (81), both ends of the first header pipe (81) are respectively communicated with the mixed gas pretreatment module and the plurality of first branch pipes (511), and the first detection device (60) is arranged on the first header pipe (81);

a second header pipe (82), one end of the second header pipe (82) is communicated with the plurality of second branch pipes (512), and the second detection device (70) is arranged on the second header pipe (82).

7. The detection system of claim 6, wherein the mixed gas pre-processing assembly further comprises:

the buffer structure (20), the filtering component (30) and the heating device (40) are all arranged on the third main pipe (83), the first end of the third main pipe (83) is an air inlet, and the second end of the third main pipe (83) is communicated with the first main pipe (81);

a vacuum device (90), wherein the vacuum device (90) is arranged on the third manifold (83) and is used for vacuumizing the third manifold (83).

8. The detection system of claim 7, wherein the mixed gas pre-processing assembly further comprises:

the gas-water separator (100) is arranged on the third main pipe (83) and positioned between the buffer structure (20) and the filtering assembly (30) and is used for separating gas and liquid in the mixed gas; and/or the presence of a gas in the gas,

a dryer (110), the dryer (110) being disposed on the third manifold (83) and between the buffer structure (20) and the filter assembly (30) for adsorbing liquid within the mixed gas.

9. The detection system of claim 1, further comprising:

the pollutant accumulation box body (120), the pollutant accumulation box body (120) with the buffer structure (20) and the filtering component (30) are all communicated, so that impurities in the buffer structure (20) and the filtering component (30) can be buffered.

10. The detection system of claim 6,

the first detection device (60) comprises a first flow meter (61), and the first flow meter (61) is used for detecting the flow or flow rate of the mixed gas in the first header pipe (81); the detection system further comprises:

a displacement regulating valve (130), the displacement regulating valve (130) being disposed on the first manifold (81) between the mixed gas pre-treatment assembly and the separation assembly (50) for regulating a flow rate of the mixed gas within the first manifold (81); and/or the presence of a gas in the gas,

the second detection device (70) comprises a second flow meter (71), the second flow meter (71) being adapted to detect a flow or flow rate of the gas located in the second manifold (82), the detection system further comprising:

and the check valve (140) is arranged on the second main pipe (82), and the conduction direction of the check valve (140) is consistent with the flow direction of gas in the detection system.

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