Catalytic combustion filter device

Abstract

The utility model aims to provide a catalytic combustion filtering device which comprises a box body and two shunting assemblies, a partition plate is arranged in the box body and divides the box body into two cavities, each cavity is internally provided with a filter plate and two shunting assemblies, the two shunting assemblies are both arranged on the box body, and the two shunting assemblies are arranged on the box body. The two flow dividing assemblies are used for closing or opening the two cavities correspondingly, each flow dividing assembly comprises a telescopic part and two baffles, the telescopic parts are arranged on the box body, the two baffles are arranged at the two ends of the box body in a sliding mode correspondingly, the two baffles are both connected with a driving shaft of the telescopic parts, and the telescopic parts are used for driving the two baffles to be inserted into the box body. The two baffles are connected with the two ends of the partition plate correspondingly, one cavity is closed, and therefore the catalytic combustion equipment can be cleaned without stopping running, and the use efficiency of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a catalytic combustion filter device. Background Art

[0002] In the current fields of industrial production and environmental protection, waste gas treatment is a crucial task. With the rapid development of industry, the waste gas generated in various production processes poses a serious threat to the environment and human health. Catalytic combustion, as an efficient waste gas treatment technology, has been widely applied. In catalytic combustion equipment, a dry filter plays a key pretreatment role. It can filter out the particulate matter in the waste gas in advance to prevent the particulate matter from clogging the catalyst bed of the catalytic combustion equipment and reducing the activity and service life of the catalyst. However, after long-term filtration, a large amount of particulate matter will be adsorbed on the filter plate inside the dry filter, reducing the filtration effect of the dry filter. This requires cleaning the filter plate inside the dry filter.

[0003] However, the existing dry filters have the following problems in actual use: When cleaning the particulate matter on the filter plate of the existing dry filter, the dry filter needs to be stopped to clean its interior. Since the dry filter is a pretreatment device in the whole catalytic combustion equipment, when the dry filter stops running, other devices of the catalytic combustion equipment also need to stop running, which reduces the working efficiency of the catalytic combustion equipment. In view of this, the catalytic combustion filter device of this application is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a catalytic combustion filter device that can be cleaned without stopping operation.

[0005] The purpose of the utility model is achieved by the following technical solutions:

[0006] A catalytic combustion filter device, comprising:

[0007] A box body, a partition is arranged inside the box body, the partition divides the box body into two chambers, and a filter plate is respectively arranged in each chamber; and

[0008] Two shunt components, both of the two shunt components are arranged on the box body, the two shunt components are used to respectively seal or open the two chambers, the shunt component includes a telescopic member and two baffle plates, the telescopic member is arranged on the box body, the two baffle plates are respectively slidably arranged at both ends of the box body, and both of the two baffle plates are connected to the driving shaft of the telescopic member. When the telescopic member is used to drive the two baffle plates to insert into the box body, the two baffle plates are respectively connected to both ends of the partition, so that one of the chambers is sealed.

[0009] Optionally, the telescopic member includes a first air cylinder and a second air cylinder. Both the first air cylinder and the second air cylinder are arranged on the box body, and the driving shafts of the first air cylinder and the second air cylinder are respectively connected to the two baffles.

[0010] Optionally, there are two first air cylinders, and the two first air cylinders are respectively located on the upper and lower side surfaces of the box body.

[0011] Optionally, the catalytic combustion filtering device further includes two sleeves, and the two sleeves are respectively arranged at both ends of the box body, and both ends of the partition board respectively extend into the two sleeves.

[0012] Optionally, a sliding groove is formed in the sleeve, and the baffle is slidably arranged in the sliding groove.

[0013] Optionally, one side wing plate is respectively arranged on both sides of the sleeve, and the two side wing plates are used to respectively support one of the baffles in the two flow dividing components.

[0014] Optionally, a guiding groove is formed in the side wing plate, and the guiding groove is communicated with the sliding groove, so that the baffle slides back and forth between the guiding groove and the sliding groove.

[0015] Optionally, a sliding hole is formed in the guiding groove, a convex column is arranged on the baffle, and the convex column passes through the sliding hole and is connected to the driving shaft of the first air cylinder.

[0016] Optionally, an operation hole is formed in the inner side wall of the chamber, a door plate is rotatably arranged at a position of the box body close to the operation hole, and the door plate is used to seal or open the chamber.

[0017] Optionally, a sealing strip is arranged on the door plate, and the sealing strip is located on the side surface of the door plate facing the chamber.

[0018] Compared with the prior art, the present utility model has at least the following advantages:

[0019] In the catalytic combustion filtering device of the present utility model, the telescopic member drives the two baffles to slide close to or away from the partition board, so as to seal or open one of the chambers by the two partition boards, so that when one of the chambers is being cleaned, the other chamber can still continue to operate, enabling the catalytic combustion device to complete the cleaning work without stopping operation, thereby improving the use efficiency of the catalytic combustion device. Description of the Drawings

[0020] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.

[0021] Figure 1 Schematic structural diagram of the installation position of the catalytic combustion filtration device according to an embodiment of the present utility model;

[0022] Figure 2 Schematic structural diagram of the catalytic combustion filtration device according to an embodiment of the present utility model;

[0023] Figure 3 Schematic right view structural diagram of the catalytic combustion filtration device according to an embodiment of the present utility model;

[0024] Figure 4 Schematic sectional view structural diagram of the top view of the catalytic combustion filtration device according to an embodiment of the present utility model;

[0025] Figure 5 Schematic sectional view structural diagram of the common sealed chamber of the first baffle and the second baffle according to an embodiment of the present utility model;

[0026] Figure 6 Schematic structural diagram of the door panel in the open state according to an embodiment of the present utility model.

[0027] Explanation of reference numerals:

[0028] 1. Catalytic combustion filtration device; 10. Box body; 20. Shunt assembly; 11. Partition board; 12. Filter plate; 13. Chamber; 14. Door panel; 21. First cylinder; 22. Second cylinder; 23. First baffle; 24. Second baffle; 25. Third baffle; 26. Fourth baffle; 27. Sleeve; 271. Slide groove; 272. Flanking plate; 2721. Guide groove; 141. Sealing strip. Detailed implementation manners

[0029] To facilitate the understanding of the present utility model, the following will describe the present utility model more comprehensively with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings.

[0030] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0032] In the embodiments of the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific situations.

[0033] As Figures 4 to 5 shown, in one embodiment, a catalytic combustion filtration device 1 includes a box body 10 and two shunt components 20. A partition 11 is provided inside the box body 10, and the partition 11 divides the box body 10 into two chambers 13. A filter plate 12 is respectively arranged in each chamber 13. The two shunt components 20 are both arranged on the box body 10, and the two shunt components 20 are used to respectively seal or open the two chambers 13.

[0034] It should be noted that an air inlet and an air outlet are respectively opened at the opposite ends of the box body 10, and both the air inlet and the air outlet are communicated with the two chambers 13. Further, a plurality of filter plates 12 are arranged in both chambers 13, each filter plate 12 tends to be a wavy structure, and each filter plate 12 is arranged along the vertical direction. Further, the two shunt components 20 are both arranged inside the box body 10, and the two shunt components are respectively located at the air inlet and the air outlet, so that the two shunt components 20 respectively seal or open the two chambers 13.

[0035] As Figures 2 to 6As shown, in one embodiment, the flow splitting assembly 20 includes a telescopic member and two baffles. The telescopic member is disposed on the cabinet 10. The two baffles are respectively slidably disposed at two ends of the cabinet 10, and both baffles are connected to the drive shaft of the telescopic member. When the telescopic member is used to drive the two baffles to insert into the cabinet 10, the two baffles are respectively connected to two ends of the partition 11, so that one of the chambers 13 is sealed.

[0036] It should be noted that there are two flow splitting assemblies 20, and each flow splitting assembly 20 includes two baffles. For the convenience of description, the two baffles on one flow splitting assembly 20 are respectively defined as the first baffle 23 and the second baffle 24, and the two baffles on the other flow splitting assembly 20 are respectively defined as the third baffle 25 and the fourth baffle 26. The first baffle 23 and the third baffle 25 are both slidably disposed at one end of the air inlet of the cabinet 10, and the second baffle 24 and the fourth baffle 26 are both slidably disposed at one end of the air outlet of the cabinet 10. Since the partition 11 divides the cabinet 10 into two chambers 13, and both ends of the two chambers 13 are communicated with the air inlet and the air outlet, the first baffle 23 and the third baffle 25 can jointly slide to seal one end of the two chambers 13, and the second baffle 24 and the fourth baffle 26 can jointly slide to seal the other end of the two chambers 13. In this way, the first baffle and the second baffle 24 of one flow splitting assembly 20 jointly seal two ends of one of the chambers 13, and the third baffle 25 and the fourth baffle 26 of the other flow splitting assembly 20 jointly seal two ends of the other chamber 13.

[0037] As Figures 1 to 6 As shown, in one embodiment, one end of the catalytic combustion filtration device 1 is connected to the catalytic combustion device, and the other end of the catalytic combustion device is connected to the air inlet pipe, so that the first baffle 23 and the second baffle 24 respectively seal or open the air inlet and the air outlet of one of the chambers 13, and the third baffle 25 and the fourth baffle 26 can open or seal the other chamber 13. In this way, when one of the chambers 13 is being cleaned, the other chamber 13 is respectively kept in communication with the air inlet pipe and the catalytic combustion device.

[0038] It should be noted that since the waste gas enters the catalytic combustion device after passing through the box body 10 through the air inlet pipe for filtration, there is a flowing air current in the box body 10. In this way, when the air current cleans the dust on the filter plate 12 during the flowing process, the dust will fall off from the filter plate 12 and enter the catalytic combustion device along with the air current, thus affecting the waste gas treatment effect of the catalytic combustion device. And to make there be no flowing waste gas in the box body 10, the catalytic combustion device needs to be stopped, which also reduces the usage efficiency of the catalytic combustion device. Therefore, when the filter plate 12 in the box body 10 needs to be cleaned, for example, the air inlet and outlet of the chamber 13 to be cleaned are sealed by the first baffle 23 and the second baffle 24 to make it in a static state without air flow passing through, so as to facilitate cleaning the dust on the filter plate 12 in the chamber 13. At this time, the air inlet and outlet of the other chamber 13 are not sealed by the third baffle 25 and the fourth baffle 26, so that the waste gas can enter the catalytic combustion device after being filtered by the filter plate 12 in the other chamber 13, so as to keep the catalytic combustion device running continuously. After the filter plate 12 in one of the chambers 13 is cleaned, the first baffle 23 and the second baffle 24 are opened simultaneously for the cleaned chamber 13, so that the cleaned chamber 13 is respectively communicated with the air inlet pipe and the catalytic combustion device. At this time, the third baffle 25 and the fourth baffle 26 are closed to seal the other chamber 13, so that the other chamber 13 is in a static state without flowing air current, so as to facilitate cleaning the dust on the filter plate 12 in the other chamber 13. In this way, the two chambers 13 in the box body 10 can be alternately closed to clean the filter plate 12 in the box body 10 without stopping the operation of the catalytic combustion device, thereby improving the usage efficiency of the catalytic combustion device.

[0039] As Figures 1 to 3 , Figure 6 shown, in one embodiment, the retracting member includes a first cylinder 21 and a second cylinder 22. The first cylinder 21 and the second cylinder 22 are both arranged on the box body 10, and the driving shafts of the first cylinder 21 and the second cylinder 22 are respectively connected to two baffles.

[0040] It should be noted that the driving shaft of the first cylinder 21 is connected to one end of the first baffle 23, and the driving shaft of the second cylinder 22 is connected to one end of the second baffle 24, so that the first cylinder 21 and the second cylinder 22 respectively drive the first baffle 23 and the second baffle 24 to slide to seal or open one of the chambers 13.

[0041] In one embodiment, two first cylinders 21 are provided. The two first cylinders 21 are respectively located on the upper and lower side surfaces of the box body 10, and the driving shafts of the two first cylinders 21 are both connected to the two ends of the first baffle 23. The driving shaft of the second cylinder 22 is connected to the second baffle 24, so that the two first cylinders 21 and the second cylinder 22 respectively drive the first baffle 23 and the second baffle 24 to slide and seal or open one of the chambers 13.

[0042] In one embodiment, two second cylinders 22 are provided. The two second cylinders 22 are respectively located on the upper and lower side surfaces of the box body 10, and the driving shafts of the two second cylinders 22 are both connected to the two ends of the second baffle 24. The driving shaft of the first cylinder 21 is connected to the first baffle 23, so that the two second cylinders 22 and the first cylinder 21 respectively drive the second baffle 24 and the first baffle 23 to slide and seal or open one of the chambers 13.

[0043] In one embodiment, two first cylinders 21 and two second cylinders 22 are provided. The two first cylinders 21 and the two second cylinders 22 are respectively located on the upper and lower side surfaces of the box body 10, and the driving shafts of the two first cylinders 21 are both connected to the two ends of the first baffle 23. The driving shafts of the two second cylinders 22 are both connected to the two ends of the second baffle 24, so that the two first cylinders 21 and the two second cylinders 22 respectively drive the first baffle 23 and the second baffle 24 to slide and seal one of the chambers 13.

[0044] As Figures 1 to 6 shown, in one embodiment, the catalytic combustion filtration device 1 further includes two sleeves 27. The two sleeves 27 are respectively arranged at the two ends of the box body 10, and the two ends of the partition 11 respectively extend into the two sleeves 27.

[0045] It should be noted that the two sleeves 27 are respectively located at the air inlet and the air outlet on the box body 10, and the two sleeves 27 are both communicated with the air inlet and the air outlet. The two ends of the partition 11 respectively extend into the two sleeves 27, so that two inlets are formed in the sleeve 27 at the air inlet, and two outlets are formed in the sleeve 27 at the air outlet. Further, the first baffle 23 and the third baffle 25 are located in one of the two sleeves 27, and the second baffle 24 and the fourth baffle 26 are located in the other of the two sleeves 27. Since the two ends of the partition 11 are located in the two sleeves 27, the first baffle 23 and the second baffle 24 can slide close to or away from the two ends of the partition 11, so that the first baffle 23 and the second baffle 24 can seal or open one of the chambers 13, and the third baffle 25 and the fourth baffle 26 can also slide close to or away from the two ends of the partition 11, so that the third baffle 25 and the fourth baffle 26 seal the other chamber 13.

[0046] As Figure 2 、Figures 4 to 5 As shown, in one embodiment, a chute 271 is formed in the sleeve 27, and the baffle is slidably disposed in the chute 271.

[0047] It should be noted that chutes 271 are formed on the two inner side walls of the two sleeves 27 facing each other, and both chutes 271 extend from both sides of the sleeve 27 to the partition 11. The first baffle 23 and the third baffle 25 are both slidably disposed in the chute 271 of one of the sleeves 27, and the second baffle 24 and the fourth baffle 26 are both slidably disposed in the chute 271 of the other sleeve 27. In this way, the first baffle 23 and the second baffle 24 slide close to or away from the partition 11 along the chute 271 respectively, so that the first baffle 23 and the second baffle 24 jointly seal or open one of the chambers 13. At the same time, the third baffle 25 and the fourth baffle 26 can also slide close to or away from the partition 11 along the chute 271, so that the third baffle 25 and the fourth baffle 26 jointly seal or open the other chamber 13.

[0048] It should be noted that through holes are formed on the two opposite side surfaces of the two sleeves 27. The first baffle 23 and the third baffle 25 both pass through the two through holes on one of the sleeves 27 and slide in the two chutes 271 respectively. At the same time, the second baffle 24 and the third baffle 25 also both pass through the two through holes on the other sleeve 27 and slide in the other two chutes 271 respectively.

[0049] As Figures 2 to 6 shown, in one embodiment, one side wing plate 272 is respectively disposed on both sides of the sleeve 27, and the two side wing plates 272 are used to respectively support one baffle in the two flow splitting assemblies 20.

[0050] It should be noted that both sleeves 27 are provided with side wing plates 272, and each sleeve 27 is provided with four side wing plates 272, which are respectively located on the outer side walls of both sides of the sleeve 27, so that the cross section of each sleeve 27 is in the shape of an "I" character. In this way, the side wing plates 272 on one side of the two sleeves 27 respectively support a baffle in the two flow diversion components 20. For the convenience of description, the two sleeves 27 are respectively defined as the first sleeve 27 and the second sleeve 27, and the two sides of the sleeve 27 are respectively defined as the left side and the right side. Specifically, the side wing plate 27 on the left side of the first sleeve 27 2 supports the first baffle 23, the side wing plate 272 on the right side of the first sleeve 27 supports the third baffle 25, the side wing plate 272 on the left side of the second sleeve 27 supports the second baffle 24, and the side wing plate 272 on the right side of the second sleeve 27 supports the fourth baffle 26. In this way, the two baffles on the two flow-dividing components 20 are both located in the two sleeves 27. Since the two sleeves 27 are respectively located at the air inlet and the air outlet at both ends of the box body 10, one flow-dividing component 20 can close or open one of the chambers 13, and the other flow-dividing component 20 can close or open the other chamber 13. Further, the four side wing plates 272 are respectively located on the outer side walls on both sides of the sleeve 27, and two are provided on each side, and the baffle slides between the two side wing plates 272.

[0051] like Figures 2 to 6 As shown, in one embodiment, a guide groove 2721 is formed on the side wing plate 272 , and the guide groove 2721 is connected to the slide groove 271 , so that the baffle plate can slide back and forth between the guide groove 2721 and the slide groove 271 .

[0052] It should be noted that each side wing plate 272 is provided with a guide groove 2721, each guide groove 2721 corresponds to each slide groove 271 one by one, and each guide groove 2721 is connected to each slide groove 271, so that the baffle can slide back and forth between the guide groove 2721 and the slide groove 271, so that each baffle slides away from the partition 11, and each baffle stops on each side wing plate 272. When it is necessary to seal one of the chambers 13, each baffle slides from the guide groove 2721 on each side wing plate 272 to each slide groove 271, thereby sealing one of the chambers 13.

[0053] like Figures 1 to 2 , Figure 6As shown, in one embodiment, a sliding hole is formed in the guiding groove 2721, and the sliding hole penetrates through the entire side wing plate 272. A convex post is provided on the baffle plate, and the convex post passes through the sliding hole and is connected to the driving shaft of the first cylinder 21. Specifically, convex posts are provided at both ends of the first baffle plate 23, and the two convex posts respectively pass through the through holes on the side wing plates 272 at both ends of the baffle plate and are connected to the driving shaft of the first cylinder 21. Since there are two first cylinders 21, and the two first cylinders 21 are respectively arranged on the upper and lower side surfaces of the sleeve 27, the two convex posts can be respectively connected to the driving shafts of the two first cylinders 21 in a one-to-one correspondence, so that the two first cylinders 21 jointly drive the first baffle plate 23 to slide closer to or away from the partition plate 11. Further, the connection modes of the two second cylinders 22 and the two first cylinders 21 are the same, so that the two second cylinders 22 jointly drive the second baffle plate 24 to slide, and thus the other telescopic member will respectively drive the third baffle plate 25 and the fourth baffle plate 26 to slide.

[0054] As Figure 6 shown, in one embodiment, an operation hole is formed in the inner side wall of the chamber 13, and a door plate 14 is rotatably provided at a position of the box body 10 close to the operation hole. The door plate 14 is used to seal or open the chamber 13.

[0055] It should be noted that operation holes are formed on one side surface of each of the two chambers 13, so that an operator can clean the filter plate 12 in the chamber 13 through the operation holes. A door plate 14 is rotatably provided at a position of the box body 10 close to the operation hole, and a sealing strip 141 is provided on the door plate 14. The sealing strip 141 is located on the side surface of the door plate 14 facing the chamber 13, so that the door plate 14 seals the chamber 13, and the gas in the chamber 13 cannot leak. Further, when it is necessary to clean the filter plate 12 in the chamber 13, the door plate 14 can be opened to clean the filter plate 12 in the chamber 13, and after the cleaning is completed, the door plate 14 can be closed to re-seal the chamber 13. In this way, the catalytic combustion filtering device 1 of the present application can be cleaned without stopping the operation of the catalytic combustion equipment, so as to improve the use efficiency.

[0056] The above embodiments only represent several embodiments of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A catalytic combustion filtration device for connecting with a catalytic combustion equipment, characterized in that, Comprising: A box body, a partition is arranged inside the box body, the partition divides the box body into two chambers, and a filter plate is respectively arranged in each chamber; And Two shunt components, both of the two shunt components are arranged on the box body, the two shunt components are used to respectively seal or open the two chambers, the shunt component includes a telescopic member and two baffle plates, the telescopic member is arranged on the box body, the two baffle plates are respectively slidably arranged at both ends of the box body, and both of the two baffle plates are connected to the driving shaft of the telescopic member. When the telescopic member is used to drive the two baffle plates to insert into the box body, the two baffle plates are respectively connected to both ends of the partition, so that one of the chambers is sealed.

2. The catalytic combustion filtration device according to claim 1, characterized in that, The telescopic member includes a first air cylinder and a second air cylinder, both the first air cylinder and the second air cylinder are arranged on the box body, and the driving shafts of the first air cylinder and the second air cylinder are respectively connected to the two baffle plates.

3. The catalytic combustion filtration device according to claim 2, wherein There are two first air cylinders, and the two first air cylinders are respectively located on the upper and lower side surfaces of the box body.

4. The catalytic combustion filtration device according to claim 3, characterized in that, The catalytic combustion filtering device further includes two sleeves, the two sleeves are respectively arranged at both ends of the box body, and both ends of the partition respectively extend into the two sleeves.

5. The catalytic combustion filtration device according to claim 4, characterized in that, A sliding groove is opened in the sleeve, and the baffle plate is slidably arranged in the sliding groove.

6. The catalytic combustion filtration device according to claim 5, wherein One side wing plate is respectively arranged on both sides of the sleeve, and the two side wing plates are used to respectively support one baffle plate in the two shunt components.

7. The catalytic combustion filtration device according to claim 6, characterized in that A guiding groove is opened on the side wing plate, and the guiding groove is communicated with the sliding groove, so that the baffle plate reciprocally slides between the guiding groove and the sliding groove.

8. The catalytic combustion filtration device according to claim 7, wherein A sliding hole is opened on the guiding groove, a convex column is arranged on the baffle plate, and the convex column passes through the sliding hole and is connected to the driving shaft of the first air cylinder.

9. The catalytic combustion filtration device according to claim 1, wherein An operation hole is opened on the inner side wall of the chamber, a door plate is rotatably arranged at a position of the box body close to the operation hole, and the door plate is used to seal or open the chamber.

10. The catalytic combustion filtration device according to claim 9, characterized in that, A sealing strip is arranged on the door plate, and the sealing strip is located on the side surface of the door plate facing the chamber.

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