Tail gas degradation effect testing device
By designing a test device for exhaust gas degradation effect of multi-reaction chambers and diverting components, the problems of frequent sample replacement and reduced sealing effect in the prior art are solved, and efficient and accurate exhaust gas detection is achieved.
Patent Information
- Application Number
- CN202422150438.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-03
AI Technical Summary
In the prior art, when detecting the degradation effect of photocatalysts on exhaust gas, it is necessary to frequently open the container to replace the sample, which is troublesome and can easily lead to a reduction in the sealing effect, affecting the accuracy of detection.
A exhaust gas degradation effect testing device is designed, including multiple reaction chambers and shunt components arranged side by side, allowing multiple detection samples to be tested simultaneously, and the connection between the exhaust tank and exhaust analyzer and the different reaction chambers is quickly switched through the rotary shunt component, simplifying operation and improving detection efficiency.
The detection process is realized without frequent opening of containers and replacing samples, which simplifies operations, improves detection efficiency, and effectively prevents exhaust gas from rushing, ensuring the accuracy of the test.
Smart Images
Figure CN223022083U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of testing equipment, and particularly relates to a device for testing the tail gas degradation effect. Background Art
[0002] Currently, the most widely used toxic gas purification material for the exterior of automobiles is photocatalytic material. The photocatalysis technology is a photochemical reaction under the action of a catalyst, which is the integration of a photoreaction and a chemical reaction. Therefore, light and a catalyst are two necessary conditions for carrying out the photocatalytic reaction. Among them, the photocatalyst itself does not participate in the chemical reaction, but under the excitation of photons, it plays a role in catalyzing and accelerating the chemical reaction.
[0003] In the existing method for detecting the tail gas degradation effect of a photocatalyst, a through groove is used to place the test sample in a sealed container. An air inlet is opened at one end of the container, and an air outlet is opened at the other end. The air inlet is connected to a tail gas bottle, and the air outlet is connected to a detection device. After the tail gas is degraded and reacted, the tail gas is pumped into the detection device for detection to judge the gas content. When studying the tail gas degradation effect of a photocatalytic composite material, multiple groups of tests are usually required for comparison. In the prior art, when conducting the test, after each sample is tested, the container needs to be opened to replace the test sample. If there are many samples in the same group of tests, the container needs to be opened and closed frequently, which is not only troublesome to operate but also likely to reduce the sealing effect of the container.
[0004] In view of this, the inventor of the present invention has conducted in-depth research on the above-mentioned defects in the prior art, and thus this case has been created. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a device for testing the tail gas degradation effect, which can simultaneously test multiple test samples, without the need to frequently open the container to replace the test sample, simplifies the operation, and improves the detection efficiency.
[0006] To achieve the above technical purpose, the technical solution adopted by the utility model is as follows:
[0007] An exhaust gas degradation effect testing device, comprising a detection box body for placing a detection sample, a box cover, an exhaust gas box located on one side of the detection box body, and an exhaust gas analyzer located on the other side of the detection box body. A fluorescent lamp is provided on the box cover, and a plurality of reaction chambers arranged side by side are provided in the detection box body; on both sides of the detection box body, there are respectively provided shunt components connected to the exhaust gas box and the exhaust gas analyzer, and the other ends of the shunt components are respectively communicated with a plurality of reaction chambers; the shunt component includes a connecting column fixedly penetrating through the side wall of the detection box body, a shunt sleeve rotatably connected to one end of the connecting column, and a connecting head rotatably connected to the shunt sleeve. A plurality of air channels are formed on the connecting column, and the axes of the plurality of air channels are parallel to the axis of the connecting column. A baffle is provided in the shunt sleeve, and a through hole is formed on the baffle. One end of the shunt sleeve is rotatably connected to the side of the connecting column away from the detection box body, and the other end is rotatably connected to the connecting head; the plurality of air channels are respectively communicated with the reaction chambers through first connecting hoses; the connecting head in the shunt component close to the exhaust gas box side is communicated with the exhaust gas box through a second connecting hose, and the connecting head in the shunt component close to the exhaust gas analyzer side is communicated with the exhaust gas analyzer through a third connecting hose.
[0008] Further, a plurality of anti-slip lines are formed on the outer side wall of the shunt sleeve. When rotating and adjusting the shunt sleeve, it is easier to rotate the shunt sleeve through the anti-slip lines.
[0009] Further, corresponding partition grooves are also provided on the box cover and are respectively corresponding to the reaction chambers. A sealing rubber strip is formed at the bottom of the partition groove, and a sealing groove for cooperating with the sealing rubber strip is formed at the top of the reaction chamber; there are a plurality of fluorescent lamps, which are respectively installed in the partition grooves. Each reaction chamber is separately sealed by using the sealing rubber strip, and during the detection, it can effectively prevent the exhaust gas from flowing into other reaction chambers, affecting the accuracy of the test.
[0010] Further, a plurality of positioning holes are formed at the top of the detection box body, and positioning columns for cooperating with the positioning holes are formed at the bottom of the box cover. By using the cooperation of the positioning holes and the positioning columns, when closing the box cover, the cooperation between the sealing rubber strip and the sealing groove can be made more precise.
[0011] Further, it further includes an exhaust gas recovery assembly; the exhaust gas recovery assembly includes a recovery box, a converging mechanism arranged on the box cover, and a fourth connecting hose connecting the recovery box and the converging mechanism; a plurality of exhaust pipes respectively communicating with the partition grooves are formed on the top of the box cover; the converging mechanism includes a converging box, a connecting pipe located at the bottom of the converging box, a blocking plate located inside the converging box, and a spring connecting the top of the blocking plate and the inner top wall of the converging box; the connecting pipe communicates with the converging box, the blocking plate is located on the top of the connecting pipe, and the connecting pipe is slidably sleeved on the exhaust pipe, and a thimble capable of jacking up the blocking plate upward is arranged on the top of the exhaust pipe. After the test is completed, the box cover needs to be opened, and before opening, the residual exhaust gas in the detection box body is absorbed by the exhaust gas recovery box.
[0012] After adopting the above structure, a tail gas degradation effect testing device related to the present utility model sets a plurality of reaction chambers in the detection box body, and different detection samples are simultaneously placed into the plurality of reaction chambers. During detection, the exhaust gas is introduced into different reaction chambers for detection through the shunt assembly. After each detection sample in a reaction chamber is detected, the shunt sleeves on the two shunt assemblies can be directly rotated to connect the exhaust gas box and the exhaust gas analyzer to the next reaction chamber. In this way, the next sample can be quickly detected, making the operation simpler and the detection efficiency higher. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present utility model can be further illustrated by the non-limiting embodiments given in the drawings;
[0014] Figure 1 is a schematic structural diagram of the present utility model;
[0015] Figure 2 is a schematic structural diagram of another angle of the present utility model;
[0016] Figure 3 is a schematic internal structure diagram of the detection box body in the present utility model;
[0017] Figure 4 is a schematic structural diagram of the shunt assembly in the present utility model;
[0018] Figure 5 is Figure 4 exploded view of;
[0019] Figure 6 is a schematic structural diagram of the box cover in the present utility model;
[0020] Figure 7 is a schematic internal structure diagram of the box cover in the present utility model;
[0021] Figure 8 is a schematic cross-sectional view of the converging mechanism and the box cover in the present utility model.
[0022] Descriptions of the main component symbols are as follows: detection box body 1, reaction chamber 11, sealing groove 111, positioning hole 12, box cover 2, partition groove 21, sealing strip 211, positioning post 22, exhaust pipe 23, thimble 231, tail gas box 3, tail gas analyzer 4, fluorescent lamp 5, shunt assembly 6, connecting post 61, air duct 611, shunt sleeve 62, baffle 621, perforation 622, anti-slip pattern 623, connector 63, first connecting hose 64, second connecting hose 65, third connecting hose 66, tail gas recovery assembly 7, recovery box 71, converging mechanism 72, converging box 721, connecting pipe 722, blocking plate 723, spring 724, fourth connecting hose 73. Specific implementation manners
[0023] The present utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that in the description of the drawings or the specification, similar or identical parts are denoted by the same reference numerals, and the implementation manners not shown or described in the drawings are forms known to those of ordinary skill in the art. In addition, the directional terms mentioned in the embodiments, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc., are only references to the directions of the drawings and are not used to limit the protection scope of the present utility model.
[0024] As Figures 1 to 8As shown in the figure, the present utility model relates to a device for testing the tail gas degradation effect, which includes a detection box body 1 for placing detection samples, a box cover 2, a tail gas box 3 located on one side of the detection box body 1, and a tail gas analyzer 4 located on the other side of the detection box body 1. Specifically, the tail gas analyzer 4 can adopt the Shengwei SV-5Q tail gas analyzer 4, which can simultaneously detect the concentrations of five gases, namely CO, CH, NO, CO2, and O2, with high detection accuracy, stable readings, and can extract and detect the gas concentration in the reaction chamber 11 in real time. A rotor flowmeter is provided in the tail gas box 3 to control the intake rate. A fluorescent lamp 5 is provided on the box cover 2, and a plurality of reaction chambers 11 arranged side by side are provided in the detection box body 1; both sides of the detection box body 1 are respectively provided with a shunt assembly 6 connected to the tail gas box 3 and the tail gas analyzer 4, and the other ends of the shunt assembly 6 are respectively communicated with a plurality of reaction chambers 11; the shunt assembly 6 includes a connecting column 61 fixedly penetrating through the side wall of the detection box body 1, a shunt sleeve 62 rotatably connected to one end of the connecting column 61, and a connecting head 63 rotatably connected to the shunt sleeve 62. A plurality of air channels 611 are formed on the connecting column 61, and the axes of the plurality of air channels 611 are parallel to the axis of the connecting column 61. A baffle 621 is provided in the shunt sleeve 62, and through holes 622 that can be respectively communicated with the plurality of air channels 611 are formed on the baffle 621. One end of the shunt sleeve 62 is rotatably connected to the side of the connecting column 61 away from the detection box body 1, and the other end is rotatably connected to the connecting head 63; the plurality of air channels 611 are respectively communicated with the reaction chamber 11 through a first connecting hose 64; the connecting head 63 in the shunt assembly 6 close to the tail gas box 3 is communicated with the tail gas box 3 through a second connecting hose 65, and the connecting head 63 in the shunt assembly 6 close to the tail gas analyzer 4 is communicated with the tail gas analyzer 4 through a third connecting hose 66. Specifically, an indication arrow is provided on the side of the connecting column 61 close to the shunt sleeve 62, and a label can be provided on the shunt sleeve 62. When the arrows on the two groups of shunt assemblies 6 point to the same label, it means that the tail gas box 3 and the tail gas analyzer 4 are communicated with the same reaction chamber 11, and thus the detection can be started.
[0025] Preferably, a plurality of anti-slip lines 623 are formed on the outer side wall of the shunt sleeve 62. When rotating and adjusting the shunt sleeve 62, it is easier to rotate the shunt sleeve 62 through the anti-slip lines 623.
[0026] Preferably, the box cover 2 is further provided with partition grooves 21 corresponding to the reaction chambers 11 respectively. A sealing rubber strip 211 is formed at the bottom of the partition groove 21, and a sealing groove 111 matched with the sealing rubber strip 211 is formed at the top of the reaction chamber 11; there are a plurality of fluorescent lamps 5, which are respectively installed in the partition grooves 21. Specifically, the power supply for the fluorescent lamps 5 can be provided by a storage battery. The respective reaction chambers 11 are separately sealed by the sealing rubber strip 211. During the detection, it can effectively prevent the tail gas from flowing into other reaction chambers 11 and affecting the accuracy of the test.
[0027] Preferably, a plurality of positioning holes 12 are formed at the top of the detection box body 1, and positioning columns 22 matching the positioning holes 12 are formed at the bottom of the box cover 2. By using the cooperation between the positioning holes 12 and the positioning columns 22, when the box cover 2 is closed, the cooperation between the sealing rubber strip 211 and the sealing groove 111 can be made more precise.
[0028] Preferably, it further includes an exhaust gas recovery assembly 7; the exhaust gas recovery assembly 7 includes a recovery box 71, a converging mechanism 72 arranged on the box cover 2, and a fourth connecting hose 73 connecting the recovery box 71 and the converging mechanism 72; a plurality of exhaust pipes 23 respectively communicating with the partition grooves 21 are formed at the top of the box cover 2; the converging mechanism 72 includes a converging box 721, a connecting pipe 722 located at the bottom of the converging box 721, a blocking plate 723 located inside the converging box 721, and a spring 724 connecting the top of the blocking plate 723 and the inner top wall of the converging box 721; the connecting pipe 722 communicates with the converging box 721, the blocking plate 723 is located at the top of the connecting pipe 722, and the connecting pipe 722 is slidably sleeved on the exhaust pipe 23, and a thimble 231 capable of jacking up the blocking plate 723 is arranged at the top of the exhaust pipe 23. The blocking plate 723 can be used to prevent the waste gas in the reaction chamber 11 from entering the converging box 721 through the connecting pipe 722 during the detection process and entering other reaction chambers 11 through other connecting pipes 722. After the test is completed, the box cover 2 needs to be opened. Before opening, the residual exhaust gas in the detection box body 1 is absorbed by the exhaust gas recovery box 71. During specific operation, the converging box 721 can be pressed downward to make the connecting pipe 722 slide downward, so that the thimble 231 can jack up the blocking plate 723 to open the connecting pipe 722. At this time, the waste gas is pumped into the recovery box 71 through the air pump in the recovery box 71.
[0029] The usage method of the present utility model is as follows: First, different detection samples are respectively placed into different reaction chambers 11, then the box cover 2 is covered on the detection box body 1 to seal each reaction chamber 11. Then, the two shunt assemblies 6 are adjusted to connect the tail gas box 3 and the tail gas analyzer 4 to the same reaction chamber 11. In this way, the device can be started for detection. When the detection of the sample in one reaction chamber 11 is completed, the next reaction chamber 11 is connected through the shunt assembly 6, and then the detection is continued. Finally, when all the samples are detected, the residual exhaust gas in the detection box body 1 is recovered cleanly through the exhaust gas recovery assembly 7, and then the box cover 2 can be opened.
[0030] The above has introduced in detail a tail gas degradation effect testing device provided by the present utility model. The description of the specific embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.
Claims
1. A device for testing the degradation effect of exhaust gas, comprising a test box (1) for placing a test sample, a box cover (2), an exhaust box (3) located on one side of the test box (1), and an exhaust analyzer (4) located on the other side of the test box (1), wherein a fluorescent lamp (5) is provided on the box cover (2), and the device is characterized in that: The detection box (1) is provided with a plurality of reaction chambers (11) arranged side by side; a flow diversion assembly (6) connected to the exhaust box (3) and the exhaust analyzer (4) is respectively provided on both sides of the detection box (1); the other end of the flow diversion assembly (6) is respectively communicated with the plurality of reaction chambers (11); the flow diversion assembly (6) comprises a connecting column (61) fixedly arranged on the side wall of the detection box (1), a flow diversion sleeve (62) rotatably connected to one end of the connecting column (61), and a connecting head (63) rotatably connected to the flow diversion sleeve (62); a plurality of air passages (611) are formed on the connecting column (61); the axes of the plurality of air passages (611) are parallel to the axis of the connecting column (61); A baffle (621) is provided inside the diverter sleeve (62), and a through hole (622) is formed on the baffle (621); one end of the diverter sleeve (62) is rotatably connected to the side of the connecting column (61) away from the detection box (1), and the other end is rotatably connected to the connecting head (63); the multiple air passages (611) are connected to the reaction chamber (11) through the first connecting hose (64); the connecting head (63) in the diverter assembly (6) close to the exhaust box (3) is connected to the exhaust box (3) through the second connecting hose (65), and the connecting head in the diverter assembly close to the exhaust analyzer (4) is connected to the exhaust analyzer (4) through the third connecting hose (66).
2. The exhaust gas degradation effect testing device according to claim 1, characterized in that: A plurality of anti-slip grooves (623) are formed on the outer side wall of the diverter sleeve (62).
3. The exhaust gas degradation effect testing device according to claim 2, characterized in that: The box cover (2) is also provided with separation grooves (21) respectively corresponding to the reaction chambers (11); a sealing strip (211) is formed at the bottom of the separation groove (21); and a sealing groove (111) matching the sealing strip (211) is formed at the top of the reaction chamber (11); a plurality of fluorescent lamps (5) are respectively installed in the separation grooves (21).
4. The exhaust gas degradation effect testing device according to claim 3, characterized in that: A plurality of positioning holes (12) are formed on the top of the detection box body (1), and a positioning column (22) matched with the positioning holes (12) is formed on the bottom of the box cover (2).
5. The exhaust gas degradation effect testing device according to claim 4, characterized in that: The exhaust gas recovery assembly (7) further comprises an exhaust gas recovery assembly (7); the exhaust gas recovery assembly (7) comprises a recovery box (71), a convergence mechanism (72) arranged on the box cover (2), and a fourth connecting hose (73) connecting the recovery box (71) and the convergence mechanism (72); a plurality of exhaust pipes (23) respectively connected to the separation grooves (21) are formed on the top of the box cover (2); the convergence mechanism (72) comprises a convergence box (721), a connecting pipe (722) located at the bottom of the convergence box (721), and a fourth connecting hose (73) connected to the recovery box (71). A blocking plate (723) is disposed in the convergence box (721) and a spring (724) is connected between the top of the blocking plate (723) and the top wall of the convergence box (721); the connecting pipe (722) is connected to the convergence box (721), the blocking plate (723) is located at the top of the connecting pipe (722), and the connecting pipe (722) is slidably mounted on the exhaust pipe (23); and a pin (231) is provided at the top of the exhaust pipe (23) for lifting the blocking plate upward.