A new type of catalyst with multi-channel structure
By designing a multi-channel structure and heat transfer mechanism in the catalyst, the problem of incomplete redox reaction of traditional catalysts under low temperature conditions is solved, and the exhaust gas treatment efficiency is improved and harmful gases are effectively reduced.
Patent Information
- Application Number
- CN202421660667.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-15
AI Technical Summary
When the back-end temperature of traditional catalysts is low, the redox reaction is not thorough, resulting in a high content of harmful gases in the exhaust gas.
A new multi-channel structure catalyst is designed to transfer heat to the subsequent mixing chamber through the first and second thermal holes, delay the drop in the exhaust gas temperature, and to design the first and second mixing chambers, the exhaust gas is disrupted and mixed, ensuring that the harmful gases undergo more sufficient redox reaction.
It effectively improves the efficiency of exhaust gas treatment, ensures that the harmful gases in the exhaust gas react more thoroughly, and reduces the emission of harmful gases.
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Figure CN222731617U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of catalysts, in particular to a novel catalyst with a multi-channel structure. Background Art
[0002] The catalyst is an important external purification device installed in the automobile exhaust system. Its main function is to convert harmful gases in automobile exhaust, such as CO, HC and NOx, into harmless carbon dioxide, water and nitrogen through oxidation and reduction at high temperature, which can reduce pollution to the environment. However, the low temperature at the rear end of the traditional catalyst makes the oxidation-reduction reaction incomplete, resulting in a high content of harmful gases in the exhaust gas. Therefore, a new catalyst with a multi-channel structure is urgently needed to solve the above problems. Utility Model Content
[0003] The purpose of the utility model is to provide a novel catalyst with a multi-channel structure to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel catalyst with a multi-channel structure, comprising a catalyst housing, a first fixing component, a second fixing component and a third fixing component, wherein two first guide cones are symmetrically fixedly connected to one side of the first fixing component, a first catalytic body is fixedly connected to the inner side of the first fixing component, first reaction holes are uniformly penetrated through the first catalytic body, two first heat conduction holes are symmetrically penetrated through the first catalytic body, a second guide cone is fixedly connected to one side of the second fixing component, a second catalytic body is fixedly connected to the inner side of the second fixing component, second reaction holes are uniformly penetrated through the second catalytic body, a second heat conduction hole is penetrated through the middle of the second catalytic body, a third catalytic body is fixedly connected to the inner side of the third fixing component, and third reaction holes are uniformly penetrated through the third catalytic body.
[0005] Preferably, the catalyst housing comprises an air inlet chamber, a first mixing chamber and a second mixing chamber, one end of the catalyst housing is fixedly connected to an input connector, and one end of the catalyst housing away from the input connector is fixedly connected to an output connector.
[0006] Preferably, the first fixing component, the second fixing component and the third fixing component are all fixedly connected to the inner side of the catalyst housing, and the second fixing component is located between the first fixing component and the third fixing component.
[0007] Preferably, the first guide cone is located on a side of the first fixing component close to the input connector, the positions of the first guide cone match those of the first heat conducting hole, and the first guide cone is located at one end of the first heat conducting hole close to the input connector.
[0008] Preferably, the second guide cone is located on a side of the second fixing component close to the input connector, the positions of the second guide cone match those of the second heat conducting hole, and the second guide cone is located at an end of the second heat conducting hole close to the input connector.
[0009] Preferably, the air intake chamber is arranged inside the catalyst housing, and the air intake chamber is located on a side of the second fixing component close to the input connector.
[0010] Preferably, the first mixing chamber is disposed inside the catalyst housing, and the first mixing chamber is located between the first fixing component and the second fixing component.
[0011] Preferably, the second mixing chamber is disposed on the inner side of the catalyst housing, and the second mixing chamber is located between the second fixing component and the third fixing component.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The utility model uses the first heat conducting hole and the second heat conducting hole, and the catalyst can effectively transfer the heat of the intake chamber and the first mixing chamber to the subsequent mixing chamber. This heat transfer helps to maintain the temperature of the exhaust gas during the treatment process, thereby delaying the drop in the exhaust gas temperature, allowing the harmful gases in the exhaust gas to react more thoroughly. By designing the first mixing chamber and the second mixing chamber, the exhaust gas is disrupted and mixed in the two mixing chambers after being treated by the first catalytic body and the second catalytic body. This design can ensure that the harmful gases in the exhaust gas can more fully undergo redox reactions, thereby improving the exhaust gas treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the main three-dimensional structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the internal structure of the main body in the utility model;
[0016] Figure 3 It is a schematic diagram of the front structure of the main body in the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the first fixing component in the utility model;
[0018] Figure 5This is a schematic diagram of the structure of the second fixing component in the utility model;
[0019] Figure 6 This is a schematic diagram of the structure of the third fixing component in the utility model.
[0020] In the figure: 1-catalyst housing, 2-input connector, 3-output connector, 4-first fixing component, 5-second fixing component, 6-third fixing component, 7-intake chamber, 8-first mixing chamber, 9-second mixing chamber, 10-first guide cone, 11-first catalytic body, 12-first reaction hole, 13-first heat conduction hole, 14-second guide cone, 15-second catalytic body, 16-second reaction hole, 17-second heat conduction hole, 18-third catalytic body, 19-third reaction hole. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-6 The utility model provides an embodiment: a multi-channel structure novel catalyst, comprising a catalyst housing 1, a first fixing component 4, a second fixing component 5 and a third fixing component 6, wherein the first fixing component 4, the second fixing component 5 and the third fixing component 6 are all fixedly connected to the inner side of the catalyst housing 1, and the second fixing component 5 is located between the first fixing component 4 and the third fixing component 6, one side of the first fixing component 4 is symmetrically fixedly connected with two first guide cones 10, the inner side of the first fixing component 4 is fixedly connected with a first catalytic body 11, and the first catalytic body 11 is uniformly penetrated with first reaction holes 12, and the design of the first reaction holes 12 can increase the exhaust gas and the first catalyst The contact area of the main body 11 is increased, thereby enhancing the redox effect of harmful gases in the exhaust gas. Two first heat conduction holes 13 are symmetrically opened on the first catalytic main body 11. The first heat conduction holes 13 are convenient for transferring high temperature to the rear end to delay the reduction of exhaust temperature. A second guide cone 14 is fixedly connected to one side of the second fixed component 5, and a second catalytic main body 15 is fixedly connected to the inner side of the second fixed component 5. Second reaction holes 16 are evenly opened on the second catalytic main body 15, and a second heat conduction hole 17 is opened in the middle of the second catalytic main body 15. A third catalytic main body 18 is fixedly connected to the inner side of the third fixed component 6, and third reaction holes 19 are evenly opened on the third catalytic main body 18.
[0023] The catalyst housing 1 includes an air intake chamber 7, a first mixing chamber 8, and a second mixing chamber 9. One end of the catalyst housing 1 is fixedly connected to an input connector 2, and the end of the catalyst housing 1 away from the input connector 2 is fixedly connected to an output connector 3. The air intake chamber 7 is arranged inside the catalyst housing 1, and the air intake chamber 7 is located on the side of the second fixing component 5 close to the input connector 2. The first mixing chamber 8 is arranged inside the catalyst housing 1, and the first mixing chamber 8 is located between the first fixing component 4 and the second fixing component 5. The second mixing chamber 9 is arranged on the inner side of the catalyst housing 1, and the second mixing chamber 9 is located at the inner side of the catalyst housing 1. Between the second fixed component 5 and the third fixed component 6, the first mixing chamber 8 and the second mixing chamber 9 will mix and scramble the exhaust gas after being treated by the first catalytic body 11 and the second catalytic body 15, and then enter the third catalytic body 18 for treatment, so as to reduce the untreated discharge of harmful gases caused by excessive exhaust gas in the middle area, thereby making the oxidation-reduction reaction of harmful gases in the exhaust gas more complete, and the exhaust gas passing through the first heat conduction hole 13 or the second heat conduction hole 17 can be dispersed and input into the second catalytic body 15 or the third catalytic body 18 for purification treatment.
[0024] The first guide cone 10 is located on a side of the first fixed component 4 close to the input connector 2, the positions of the first guide cone 10 and the first heat conduction hole 13 match, and the first guide cone 10 is located at one end of the first heat conduction hole 13 close to the input connector 2, the second guide cone 14 is located on a side of the second fixed component 5 close to the input connector 2, the positions of the second guide cone 14 and the second heat conduction hole 17 match, and the second guide cone 14 is located at one end of the second heat conduction hole 17 close to the input connector 2, the temperature can be quickly transferred to the first mixing chamber 8 and the second mixing chamber 9 through the first heat conduction hole 13 and the second catalytic body 15, and the exhaust gas transported through the first heat conduction hole 13 or the second catalytic body 15 can be reduced by the first guide cone 10 and the second guide cone 14.
[0025] Working principle: During use, automobile exhaust gas enters the air intake chamber 7 in the catalyst housing 1 through the input connector 2, and then the exhaust gas enters the first reaction hole 12 for oxidation-reduction reaction, and then the exhaust gas passes through the first reaction hole 12 to enter the first mixing chamber 8, and the exhaust gas entering the first mixing chamber 8 through different first reaction holes 12 is mixed, and then the exhaust gas passes through the second reaction hole 16 for oxidation-reduction reaction and enters the second mixing chamber 9 for mixing, and then the mixed exhaust gas enters the third reaction hole 19 for oxidation-reduction reaction and is discharged through the output connector 3, and the exhaust gas is catalytically treated. During the reaction, the heat inside the air intake chamber 7 is transferred to the first mixing chamber 8 through the first heat conducting hole 13, and the exhaust gas transported through the first heat conducting hole 13 can be reduced by the flow conduction of the first guide cone 10. At the same time, the heat in the first mixing chamber 8 can be transferred to the second mixing chamber 9 through the second heat conducting hole 17, and the exhaust gas transported through the second heat conducting hole 17 can be reduced by the flow conduction of the second guide cone 14. Finally, the exhaust gas reaches the inside of the second mixing chamber 9 for mixing, and the heat transferred through the front end delays the decrease in the exhaust gas temperature, so that the exhaust gas reaction is more thorough and the emission of harmful gases is reduced.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A novel catalyst with a multi-channel structure, comprising a catalyst housing (1), a first fixing component (4), a second fixing component (5) and a third fixing component (6), characterized in that: Two first guide cones (10) are symmetrically fixedly connected to one side of the first fixed component (4); a first catalytic body (11) is fixedly connected to the inner side of the first fixed component (4); first reaction holes (12) are evenly penetrated through the first catalytic body (11); two first heat conduction holes (13) are symmetrically penetrated through the first catalytic body (11); a second guide cone (14) is fixedly connected to one side of the second fixed component (5); a second catalytic body (15) is fixedly connected to the inner side of the second fixed component (5); second reaction holes (16) are evenly penetrated through the second catalytic body (15); a second heat conduction hole (17) is penetrated through the middle of the second catalytic body (15); a third catalytic body (18) is fixedly connected to the inner side of the third fixed component (6); third reaction holes (19) are evenly penetrated through the third catalytic body (18).
2. The novel multi-channel catalyst according to claim 1, characterized in that: The catalyst housing (1) comprises an air intake chamber (7), a first mixing chamber (8) and a second mixing chamber (9); one end of the catalyst housing (1) is fixedly connected to an input connector (2); and one end of the catalyst housing (1) away from the input connector (2) is fixedly connected to an output connector (3).
3. The novel multi-channel catalyst according to claim 1, characterized in that: The first fixing component (4), the second fixing component (5) and the third fixing component (6) are all fixedly connected to the inner side of the catalyst housing (1), and the second fixing component (5) is located between the first fixing component (4) and the third fixing component (6).
4. The novel multi-channel catalyst according to claim 2, characterized in that: The first guide cone (10) is located on a side of the first fixing component (4) close to the input connector (2), the positions of the first guide cone (10) and the first heat conduction hole (13) match, and the first guide cone (10) is located at one end of the first heat conduction hole (13) close to the input connector (2).
5. The novel multi-channel catalyst according to claim 2, characterized in that: The second guide cone (14) is located on a side of the second fixing component (5) close to the input connector (2), the positions of the second guide cone (14) and the second heat conduction hole (17) match, and the second guide cone (14) is located at one end of the second heat conduction hole (17) close to the input connector (2).
6. The novel multi-channel catalyst according to claim 2, characterized in that: The air intake chamber (7) is arranged inside the catalyst housing (1), and the air intake chamber (7) is located on a side of the second fixing component (5) close to the input connector (2).
7. The novel multi-channel catalyst according to claim 2, characterized in that: The first mixing chamber (8) is arranged inside the catalyst housing (1), and the first mixing chamber (8) is located between the first fixing component (4) and the second fixing component (5).
8. The novel multi-channel catalyst according to claim 2, characterized in that: The second mixing chamber (9) is arranged inside the catalyst housing (1), and the second mixing chamber (9) is located between the second fixing component (5) and the third fixing component (6).