Lift valve device for multi-chamber RTO

By employing an elliptical sealing valve plate and PTFE gasket sealing mechanism in a multi-chamber RTO, the problems of low throughput and poor sealing performance of the lift valve device are solved, thereby increasing the intake air volume and throughput, and improving sealing performance and ease of maintenance.

CN223868548UActive Publication Date: 2026-02-03SHANGHAI YACHE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423322933.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-03
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing multi-chamber RTOs have low throughput and poor sealing performance, especially in the treatment of large air volume and high concentration of VOCs, where wear affects the sealing performance.

Method used

It adopts a non-circular sealing valve plate, preferably an elliptical sealing valve plate, and is equipped with a sealing mechanism and an auxiliary sealing mechanism. It uses PTFE gaskets for fine adjustment, and combines guide parts and drive mechanism to improve sealing performance and air intake.

Benefits of technology

It increases the air intake by about 20-25%, enhances the processing capacity, and achieves a better sealing effect through the deformation adjustment of the sealing mechanism, making it easier for later maintenance and replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lift valve device for a multi-chamber RTO, which comprises a first sealing plate, a guide piece, a sealing valve plate and a second sealing plate, and the first sealing plate is connected with the second sealing plate through the guide piece; the guide parts comprise a first guide part, a second guide part and a third guide part, and the sealing valve plate is installed on the third guide part; the sealing valve plate is a non-circular sealing valve plate, and a first protruding part and a second protruding part are arranged on the sealing valve plate in a surrounding mode; and a sealing mechanism is arranged in a gap between the first lug boss and the second lug boss. The non-circular sealing valve plate, especially the oval sealing valve plate, is adopted, so that the air inlet amount is increased, and the handling capacity is further improved; the sealing mechanism and the auxiliary sealing mechanism are polytetrafluoroethylene gaskets and are high in plasticity, fine adjustment can be achieved through deformation when the sealing valve plate and the first sealing plate which are uneven in action are matched, and the good sealing effect is achieved.
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Description

Technical Field

[0001] This utility model relates to a lift valve, and more particularly to a lift valve device for a multi-chamber RTO. Background Technology

[0002] Regenerative Thermal Oxidizer (RTO) is also known as a regenerative thermal oxidizer.

[0003] In regenerative thermal oxidizing combustion systems (RTOs) with large air volumes and high concentrations of VOCs, especially in multi-chamber RTOs, the size and sealing performance of the lift valves within the RTO's internal structure, which handle large air volumes and high concentrations of VOCs, determine the VOCs treatment capacity and effectiveness. Currently, conventional lift valves typically use circular air inlets and are all hard metal seals, which, over time, experience wear and tear, affecting their sealing performance. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a lift valve device for a multi-chamber RTO, which solves the problems of low throughput and poor sealing performance.

[0005] The technical problem to be solved by this utility model is achieved by the following technical solution:

[0006] This utility model provides a lift valve device for a multi-chamber RTO, comprising a first sealing plate, a guide member, a sealing valve plate, and a second sealing plate, wherein...

[0007] The first sealing plate and the second sealing plate are connected by the guide member;

[0008] The guide component includes a first guide component, a second guide component, and a third guide component, wherein,

[0009] The sealing valve plate is mounted on the third guide member;

[0010] The sealing valve plate is a non-circular sealing valve plate, wherein,

[0011] The sealing valve plate is provided with a first protrusion and a second protrusion around it;

[0012] A sealing mechanism is provided in the gap between the first protrusion and the second protrusion.

[0013] As a preferred embodiment of this invention, an auxiliary sealing mechanism is provided at the bottom of the first sealing plate, wherein...

[0014] The auxiliary sealing mechanism corresponds to the sealing mechanism.

[0015] As a preferred technical solution of this utility model

[0016] The sealing valve plate is an elliptical sealing valve plate.

[0017] As a preferred embodiment of this invention, the sealing mechanism and / or the auxiliary sealing mechanism include a PTFE gasket.

[0018] In a preferred embodiment of this invention, the first sealing plate and the second sealing plate are connected by a second guide member, wherein...

[0019] The third guide member connects the second sealing plate and the first guide member;

[0020] The first guide member is installed at the top of the first sealing plate.

[0021] As a preferred embodiment of this invention, a drive mechanism is also included, wherein...

[0022] The main shaft of the drive mechanism is connected to the sealing valve plate.

[0023] As a preferred embodiment of this invention, the drive mechanism has a housing.

[0024] The beneficial effects of this utility model are as follows: The non-circular sealing valve plate, especially the elliptical sealing valve plate, adopted by this utility model increases the air intake volume, thereby increasing the processing capacity; the sealing mechanism and the auxiliary sealing mechanism are made of PTFE gaskets, which have strong plasticity. When the sealing valve plate with uneven movement cooperates with the first sealing plate, it can rely on deformation to achieve fine adjustment and achieve a better sealing effect; the separate design of the lifting valve sealing valve plate, main shaft and guide can be used for later maintenance and replacement. Attached Figure Description

[0025] Figure 1 This is one of the structural schematic diagrams of this utility model;

[0026] Figure 2 This is the second structural schematic diagram of the present invention;

[0027] Figure 3 This is the third structural schematic diagram of the present invention;

[0028] Figure 4 This is the fourth structural schematic diagram of the present invention;

[0029] Figure 5 This is the fifth structural schematic diagram of the present invention;

[0030] Figure 6 This is the sixth structural schematic diagram of the present invention;

[0031] In the figure: 1. First sealing plate; 11. Auxiliary sealing mechanism; 21. First guide; 22. Second guide; 23. Third guide; 3. Sealing valve plate; 31. First protrusion; 32. Second protrusion; 33. Sealing mechanism; 4. Second sealing plate; 5. Main shaft; 6. Drive mechanism; 61. Housing. Detailed Implementation

[0032] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0033] Example

[0034] like Figure 1-6 As shown, this embodiment provides a lift valve device for a multi-chamber RTO, including a first sealing plate 1, a guide member, a sealing valve plate 3, and a second sealing plate 4. The first sealing plate 1 and the second sealing plate 4 are connected by the guide member, specifically, the guide member includes a first guide member 21, a second guide member 22, and a third guide member 23. The sealing valve plate 3 is mounted on the third guide member 23. The first sealing plate 1 and the second sealing plate 4 are connected by the second guide member 22. The third guide member 23 connects the second sealing plate 4 and the first guide member 21. The first guide member 21 is mounted on the top of the first sealing plate 1. It also includes a drive mechanism 6 for driving the sealing valve plate 3 to move. The main shaft 5 of the drive mechanism 6 is connected to the sealing valve plate 3. The drive mechanism 6 has a housing 61.

[0035] The sealing valve plate 3 is non-circular, and has a first protrusion 31 and a second protrusion 32 arranged around it. A sealing mechanism 33 is provided in the gap between the first protrusion 31 and the second protrusion 32. An auxiliary sealing mechanism 11 is provided at the bottom of the first sealing plate 1, corresponding to the sealing mechanism 33. Preferably, in this embodiment, the sealing mechanism 33 and / or the auxiliary sealing mechanism 11 include a PTFE gasket, which can achieve fine-tuning and a better sealing effect by deformation when the sealing valve plate and the first sealing plate cooperate with uneven movement.

[0036] Preferably, the sealing valve plate 3 is an elliptical sealing valve plate 3, which increases the air intake volume and gain by about 20-25% compared to a circular sealing valve plate 3, thereby increasing the processing capacity.

[0037] Specifically, this embodiment uses an elliptical sealing valve plate 3, which significantly improves the air intake and processing capacity; moreover, the sealing mechanism and auxiliary sealing mechanism are made of PTFE gaskets, which are highly malleable. When the sealing valve plate with uneven movement cooperates with the first sealing plate, it can rely on deformation to achieve fine adjustment and achieve a better sealing effect.

[0038] The non-circular sealing valve plate, especially the elliptical sealing valve plate, used in this utility model increases the air intake volume by about 20-25%, thereby increasing the throughput. The sealing mechanism and auxiliary sealing mechanism are made of PTFE gaskets, which are highly malleable. When the sealing valve plate with uneven movement cooperates with the first sealing plate, it can rely on deformation to achieve fine adjustment and achieve a better sealing effect. The separate design of the lifting valve sealing valve plate, main shaft and guide can be used for later maintenance and replacement.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of this utility model. All such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A lift valve device for a multi-chamber RTO, characterized in that, It includes a first sealing plate (1), a guide member, a sealing valve plate (3), and a second sealing plate (4), wherein, The first sealing plate (1) and the second sealing plate (4) are connected by the guide member; The guide includes a first guide (21), a second guide (22), and a third guide (23), wherein, The sealing valve plate (3) is mounted on the third guide member (23); The sealing valve plate (3) is a non-circular sealing valve plate (3), wherein, The sealing valve plate (3) is provided with a first protrusion (31) and a second protrusion (32) around it. A sealing mechanism (33) is provided in the gap between the first protrusion (31) and the second protrusion (32).

2. The lift valve device for a multi-chamber RTO according to claim 1, characterized in that, An auxiliary sealing mechanism (11) is provided at the bottom of the first sealing plate (1), wherein, The auxiliary sealing mechanism (11) corresponds to the sealing mechanism (33).

3. A lift valve device for a multi-chamber RTO according to claim 1 or 2, characterized in that, The sealing valve plate (3) is an elliptical sealing valve plate (3).

4. A lift valve device for a multi-chamber RTO according to claim 2, characterized in that, The sealing mechanism (33) and / or the auxiliary sealing mechanism (11) include a PTFE gasket.

5. A lift valve device for a multi-chamber RTO according to claim 4, characterized in that, The first sealing plate (1) and the second sealing plate (4) are connected by a second guide member (22), wherein, The third guide (23) connects the second sealing plate (4) and the first guide (21); The first guide (21) is installed on the top of the first sealing plate (1).

6. A lift valve device for a multi-chamber RTO according to claim 1, characterized in that, It also includes a drive mechanism (6), wherein, The main shaft (5) of the drive mechanism (6) is connected to the sealing valve plate (3).

7. A lift valve device for a multi-chamber RTO according to claim 6, characterized in that, The drive mechanism (6) has a housing (61).