High-temperature waste gas catalytic device

Abstract

The utility model provides a high-temperature waste gas catalytic device, which relates to the technical field of waste gas catalysis, and comprises a cooling cylinder, a flow guide pipe, a gas inlet pipe and a gas outlet pipe, the flow guide pipe is of an L-shaped structure; and a cooling circulating pipeline is further arranged in the cooling cylinder. Due to the design of the two channels, the replacement process of the device to the filter assembly is further optimized, no waste gas leakage is ensured in the whole replacement process, meanwhile, the device can still keep the continuity of catalytic work in the replacement process, the occurrence of a working blank period is avoided, and the problem that when activated carbon needs to be replaced every time, the waste gas leakage is caused is solved. The problem that the operation efficiency of the whole catalytic device is remarkably reduced due to the fact that the catalytic device enters a long non-working state, namely a working blank period, inevitably in the period of replacing activated carbon in order to ensure that waste gas cannot leak out in the replacement process, and the primary step is to cut off airflow of a waste gas channel is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas catalysis technical field especially relates to a high temperature waste gas catalytic device. BACKGROUND

[0002] A large amount of by-products will inevitably be produced in many production processes in enterprises, especially waste gas, and many waste gas components constitute serious pollution to the environment, therefore, enterprises must bear the responsibility of environmental protection in the production process, take effective measures to treat these waste gas and convert it into a material with less impact on the environment, the key to this task lies in efficient use of waste gas catalytic device, which can catalyze the chemical reaction of harmful substances in waste gas, thereby significantly reducing its negative impact on the environment.

[0003] The high temperature waste gas catalytic device currently used is generally only equipped with an activated carbon filter system in the waste gas treatment process, however, activated carbon as a consumable will gradually lose effectiveness after a certain period of use and needs to be replaced, the problem is that these activated carbon filter assemblies are often installed deep in the waste gas channel, therefore, whenever activated carbon needs to be replaced, the primary step is to shut off the gas flow of the waste gas channel to ensure that waste gas does not leak during the replacement process, this operation inevitably leads to a longer non-working state of the catalytic device during replacement of activated carbon, i.e. a working blank period, thereby significantly reducing the operating efficiency of the entire catalytic device. SUMMARY

[0004] The disclosed embodiment relates to a high temperature waste gas catalytic device, which only needs to rotate a transmission screw rod to cut off the channel matched with the filter to be replaced and simultaneously connect the channel matched with the filter to be used, facilitating workers to replace the filter, and the transmission screw rod rotation also cancels the positioning of the filter to be replaced and fixes the filter to be used, so that the double-channel design not only improves the replacement process of the filter assembly of the device, but also does not cause waste gas leakage during the replacement process, and the device can still work, without a working blank period.

[0005] The first aspect of the present disclosure provides a high-temperature exhaust gas catalytic device, which specifically comprises a cooling cylinder, a catalytic combustion cylinder and a filter box, a flow guide pipe is fixedly inserted in the cooling cylinder; the flow guide pipe is in L-shaped structure; a cooling circulation pipeline is further arranged in the cooling cylinder; a connecting pipe is fixedly installed on the left side of the catalytic combustion cylinder; a discharge pipe is fixedly installed on the top of the catalytic combustion cylinder; a filter element is inserted in the filter box; a cover plate is fixed on the top of the filter element; a jack is formed in the inner side of the cover plate; a shunt element is connected to the inner end of the flow guide pipe and the left end of the connecting pipe; the shunt passage of the shunt element is respectively connected with two filter boxes; a rotating shaft is fixedly installed at the central position in the shunt element; a ball valve in spherical structure is fixedly installed at the bottom end of the rotating shaft; the ball valve is further rotatably installed at the three-way junction of the shunt element.

[0006] In at least some embodiments,

[0007] An L-shaped through hole is formed in the ball valve; a gear A is fixedly installed on the circumferential outer wall of the rotating shaft; a support column is fixedly installed on the shunt element.

[0008] In at least some embodiments,

[0009] A sliding socket is slidingly installed on the guide rail; a plug is arranged at the front and rear ends of the sliding socket, and the positions of the plugs horizontally correspond to the positions of the jacks; a follow-up rack is fixedly installed on the top of the sliding socket.

[0010] In at least some embodiments,

[0011] When the plug at the rear side of the sliding socket is inserted into the inner side of the rear jack, the plug at the front side is separated from the inner side of the front jack; support plates are fixedly installed at the left and right ends of the support column.

[0012] In at least some embodiments,

[0013] A transmission screw is rotatably installed at the top end of the support plate; two opposite threads are formed in the transmission screw; a gear B is fixedly installed at the central position of the transmission screw.

[0014] In at least some embodiments,

[0015] The gear B is connected with the follow-up rack in meshing mode; a transmission block is installed on the transmission screw through the threads; a transmission rack is fixedly installed at the rear side of the transmission block.

[0016] In at least some embodiments,

[0017] Two transmission racks are respectively connected with two gear A in meshing connection; when the L-shaped through hole is communicated with any two channels on the flow dividing member, another channel on the flow dividing member is in closed state.

[0018] The high-temperature waste gas catalytic device has the following beneficial effects:

[0019] 1. The device can automatically position the front filter element to be used when the positioning of the used rear filter element is released, which greatly simplifies the operation process of replacing the filter element, enables the positioning of the standby filter element to be completed at the same time when the filter element to be replaced is replaced, and thus significantly improves the replacement efficiency of the filter assembly of the device.

[0020] 2. The operator only needs to rotate a single transmission screw rod to quickly cut off the channel connected with the filter element to be replaced and simultaneously establish a new channel matched with the standby filter element, which not only simplifies the operation process of the worker, but also ensures the smoothness and efficiency of the replacement process, and in the process of rotating the transmission screw rod, it automatically releases the positioning locking of the filter element to be replaced and firmly fixes the filter element to be used, the double-channel design further optimizes the replacement process of the filter assembly of the device, ensures that there is no waste gas leakage during the entire replacement process, and at the same time, the device can maintain the continuity of the catalytic work during the replacement process, avoiding the occurrence of the work blank period. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0022] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0023] In the drawings:

[0024] Figure 1 The overall structural schematic diagram of the present application is shown;

[0025] Figure 2 The overall structural schematic diagram of the present application is shown; Figure 1 The enlarged structural schematic diagram of part A of the present application is shown;

[0026] Figure 3 The top view structural schematic diagram of the present application is shown; Figure 1

[0027] Figure 4 The filter element split state structural schematic diagram of the present application is shown;

[0028] Figure 5 ​A structure diagram showing the back side passage of the flow divider of the present application in use is shown.

[0029] Figure 6 A structure diagram showing the front side passage of the flow divider of the present application in use is shown.

[0030] List of reference signs

[0031] 1, cooling cylinder; 2, flow guide pipe; 3, catalytic combustion cylinder; 4, connecting pipe; 5, exhaust pipe; 6, filter box; 7, filter; 8, cover plate; 9, jack; 10, flow divider; 11, rotating shaft; 12, ball valve; 13, L-shaped hole; 14, gear A; 15, support column; 16, guide rail; 17, sliding socket; 18, follow-up rack; 19, support plate; 20, transmission screw; 21, gear B; 22, transmission block; 23, transmission rack. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Please refer to Figures 1 to 6 :

[0034] Embodiment one

[0035] The utility model proposes a kind of high-temperature waste gas catalytic device, comprising: cooling cylinder 1, catalytic combustion cylinder 3 and filter box 6, cooling cylinder 1 is inserted and fixed with one flow guide pipe 2;Flow guide pipe 2 is L-shaped structure;The inside of cooling cylinder 1 is also provided with cooling circulation pipeline;The left side of catalytic combustion cylinder 3 is fixedly installed with connecting pipe 4;The top of catalytic combustion cylinder 3 is fixedly installed with exhaust pipe 5;Filter box 6 is inserted with filter 7 in its inside;The top of filter 7 is fixed with cover plate 8;The inside of cover plate 8 is provided with jack 9;The inner end of flow guide pipe 2 and the left end of connecting pipe 4 are all connected with a flow divider 10;The flow divider passage of flow divider 10 is connected with two filter boxes 6 respectively;Rotating shaft 11 is fixedly installed in the inside of flow divider 10 central position;The bottom end of rotating shaft 11 is fixedly installed with ball valve 12 of spherical structure;Ball valve 12 is also rotatably installed in the three-way junction of flow divider 10.

[0036] The exhaust gas is poured into the inside of the cooling cylinder 1 through the guide pipe 2, so that the cooling circulating pipeline in the inside of the cooling cylinder 1 performs cold water circulation to realize heat exchange and cooling of the high-temperature gas. Then, the exhaust gas enters the inside of the rear filter box 6 through the channel at the rear side of the left flow divider 10, so that the rear filter 7 filters the exhaust gas. Then, the exhaust gas enters the inside of the catalytic combustion cylinder 3 through the channel at the rear side of the right flow divider 10, so that the exhaust gas is subjected to catalytic combustion treatment. Finally, the treated exhaust gas is discharged through the discharge pipe 5.

[0037] In the second embodiment, the L-shaped through hole 13 is formed in the ball valve 12; the gear A 14 is fixedly installed on the circumferential outer wall of the rotating shaft 11; the support column 15 is fixedly installed on the flow divider 10; the guide rail 16 is fixedly installed at the center of the support column 15; the sliding socket 17 is slidingly installed on the guide rail 16; the sliding socket 17 is provided with a plug at the front end and the rear end; the plug is horizontally positioned corresponding to the position of the plug hole 9; and the follow-up rack 18 is fixedly installed on the top of the sliding socket 17.

[0038] When the rear filter 7 needs to be replaced, the transmission screw rod 20 is manually rotated to drive the two transmission blocks 22 and the two transmission racks 23 to slide outward, so that the two transmission racks 23 rotate the rotating shaft 11 and the ball valve 12 through the cooperation of the two gear A 14, so that the L-shaped through hole 13 is no longer communicated with the channel at the rear side of the flow divider 10, but is communicated with the channel at the front side of the flow divider 10. When the transmission screw rod 20 rotates, the transmission screw rod 20 also drives the sliding socket 17 and the plug to move forward through the cooperation of the gear B 21 and the follow-up rack 18, so that the rear plug of the sliding socket 17 is separated from the inside of the rear plug hole 9, and the front plug is inserted into the inside of the front plug hole 9. Thus, the device can automatically position the front filter 7 to be used when the rear filter 7 to be used is positioned, so that the worker can replace the filter 7.

[0039] In the third embodiment, when the plug at the rear side of the sliding socket 17 is inserted into the inside of the rear plug hole 9, the plug at the front side is separated from the inside of the front plug hole 9; the support plates 19 are fixedly installed at the left and right ends of the support column 15; the transmission screw rod 20 is rotatably installed at the top end of the support plate 19; the transmission screw rod 20 is provided with two opposite threads; the gear B 21 is fixedly installed at the center of the transmission screw rod 20; the gear B 21 is connected with the follow-up rack 18 in meshing mode; the transmission block 22 is installed on the transmission screw rod 20 through the thread; the transmission rack 23 is fixedly installed at the rear side of the transmission block 22; the two transmission racks 23 are connected with the two gear A 14 in meshing mode; and when the L-shaped through hole 13 is communicated with any two channels of the flow divider 10, the other channel of the flow divider 10 is in a closed state.

[0040] The device synchronously completes positioning of the filter to be used 7 when the filter to be replaced 7 is replaced, improves the replacement efficiency of the filter assembly of the device, and only needs to rotate a transmission screw rod 20 to cut off the channel matched with the filter to be replaced 7 and simultaneously connect the channel matched with the filter to be used 7, so that workers can replace the filter 7, and the transmission screw rod 20 also cancels the positioning of the filter to be replaced 7 and fixes the filter to be used 7 when rotating.

[0041] The working principle of the embodiment is as follows: in use, the exhaust gas is poured into the inside of the cooling cylinder 1 through the flow guide pipe 2, the cooling circulating pipeline in the inside of the cooling cylinder 1 performs cold water circulation to realize heat exchange and cooling of the high-temperature gas, the exhaust gas enters the inside of the rear filter box 6 through the channel at the rear side of the left flow divider 10, the rear filter 7 filters the exhaust gas, the exhaust gas enters the inside of the catalytic combustion cylinder 3 through the channel at the rear side of the right flow divider 10, the exhaust gas is subjected to catalytic combustion treatment, and finally the exhaust gas after treatment is discharged through the discharge pipe 5. When the rear filter 7 needs to be replaced, the transmission screw rod 20 is manually rotated, the two transmission blocks 22 and the two transmission racks 23 slide outwards under the action of the screw teeth, the two transmission racks 23 rotate under the action of the two gears A 14, the rotating shaft 11 and the ball valve 12, the L-shaped through hole 13 is no longer connected with the channel at the rear side of the flow divider 10 but connected with the channel at the front side of the flow divider 10, and under the action of the transmission screw rod 20, the sliding socket 17 and the insert piece move forward under the action of the gear B 21 and the follow-up rack 18, the rear insert piece of the sliding socket 17 is separated from the inside of the rear insert hole 9, and the front insert piece is inserted into the inside of the front insert hole 9, so that the device can automatically position the front filter to be used 7 when the rear filter to be used 7 is positioned, and workers can replace the filter 7.

[0042] In this paper, the following points need to be noted:

[0043] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0044] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0045] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A high-temperature waste gas catalytic converter, comprising: The cooling cylinder (1), catalytic combustion cylinder (3), and filter box (6) are provided. A guide pipe (2) is inserted and fixed inside the cooling cylinder (1). The guide pipe (2) has an L-shaped structure. A cooling circulation pipe is also provided inside the cooling cylinder (1). The characteristic feature is that a connecting pipe (4) is fixedly installed on the left side of the catalytic combustion cylinder (3). A discharge pipe (5) is fixedly installed on the top of the catalytic combustion cylinder (3). A filter element (7) is inserted inside the filter box (6). A filter element (7) is fixedly installed on the top of the filter element (7). Cover plate (8); the inner side of the cover plate (8) is provided with a socket (9); the inner end of the guide pipe (2) and the left end of the connecting pipe (4) are both connected to a diverter (10); the diverter channel of the diverter (10) is connected to two filter boxes (6) respectively; a rotating shaft (11) is fixedly installed in the center of the interior of the diverter (10); a ball valve (12) with a spherical structure is fixedly installed at the bottom end of the rotating shaft (11); the ball valve (12) is also rotatably installed at the three-way junction of the diverter (10).

2. The high-temperature waste gas catalytic device according to claim 1, characterized in that, The ball valve (12) has an L-shaped through hole (13); a gear A (14) is fixedly installed on the outer circumference of the rotating shaft (11); a support column (15) is fixedly installed on the flow divider (10); a guide rail (16) is fixedly installed at the center of the support column (15).

3. The high-temperature waste gas catalytic device according to claim 2, characterized in that, A sliding socket (17) is slidably installed on the guide rail (16); a plug is provided at both the front and rear ends of the sliding socket (17), and the position of the plug corresponds horizontally to the position of the socket (9); a follower rack (18) is fixedly installed on the top of the sliding socket (17).

4. The high-temperature waste gas catalytic device according to claim 3, characterized in that, When the insert on the rear side of the sliding socket (17) is inserted into the interior of the rear socket (9), the insert on the front side will disengage from the interior of the front socket (9); support plates (19) are fixedly installed on the left and right ends of the support column (15).

5. The high-temperature waste gas catalytic device according to claim 4, characterized in that, A transmission screw (20) is rotatably mounted on the top of the support plate (19); two opposite threads are provided on the transmission screw (20); a gear B (21) is fixedly mounted at the center of the transmission screw (20).

6. The high-temperature waste gas catalytic device according to claim 5, characterized in that, The gear B (21) meshes with the follower rack (18); a transmission block (22) is mounted on the transmission screw (20) through the threads; a transmission rack (23) is fixedly mounted on the rear side of the transmission block (22).

7. A high-temperature waste gas catalytic device according to claim 6, characterized in that, The two transmission racks (23) are respectively meshed with and connected to the two gears A (14); when the L through hole (13) is connected to any two channels on the diverter (10), the other channel on the diverter (10) will be closed.

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