Sealing device of bed type RTO matching switching valve

By designing a sealing device for the switching valve of the bed-type RTO, a seal is achieved through the cooperation of springs and sealing rings, which solves the problem of valve sealing failure, improves the efficiency of waste gas treatment, reduces the risk of environmental pollution, and facilitates equipment maintenance.

CN223908966UActive Publication Date: 2026-02-13JIANGSU YUQING ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202520798256.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-13
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Existing bed-type RTO valves lack sealing devices, leading to exhaust gas leakage, affecting treatment efficiency and potentially causing environmental pollution.

Method used

A sealing device for a bed-type RTO with a switching valve was designed. The device achieves sealing by using a spring and a security ring in conjunction with the valve, telescopic cylinder, push plate, clamping strip, and clamping ring. The device is combined with a sensor to monitor valve operation and facilitates disassembly and maintenance of components.

Benefits of technology

It effectively prevents exhaust gas leakage, improves the reliability of exhaust gas sealing, facilitates equipment inspection and maintenance, and reduces the risk of environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sealing device of a bed type RTO matched switching valve, and relates to the technical field of RTO sealing. One end of the RTO pipeline is fixedly connected with valve equipment, the inner side of the RTO pipeline is respectively provided with a connecting plate and a clamping ring, the bottom end of the connecting plate is fixedly provided with a telescopic cylinder, the driving end of the telescopic cylinder is fixedly connected with a push disc, the inner side of the push disc is provided with clamping grooves which are distributed in an array mode, and the outer sides of the clamping grooves are movably connected with clamping strips; through cooperation of valve equipment, a telescopic cylinder, a push disc, a clamping strip and a clamping ring, when the clamping strip enters the clamping ring, the clamping strip firstly slides into a clamping groove, a spring is in an extruded state, then the clamping strip penetrates through the extruded spring to push the clamping strip to slide out of the clamping groove, a sliding barrel slides in a sliding groove to limit the spring, and after the clamping strip is tightly attached to the clamping ring, an encryption ring is clamped on the clamping ring. Therefore, the reinforced sealing function is achieved, waste gas leakage is prevented from polluting the environment, and the waste gas sealing reliability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to RTO sealing technical field, concretely is a kind of sealing device of bed type RTO matched switching valve. BACKGROUND

[0002] Regenerative thermal incinerator is also called: regenerative thermal oxidation furnace, is called RTO for short, RTO combustion system is a kind of high-efficiency equipment for treating organic waste gas and volatile organic compounds, its principle is that organic waste gas is heated to 760 degrees Celsius or more, and waste gas is decomposed by high-temperature oxidation, which is converted into harmless substances such as carbon dioxide and water vapor, while realizing the recycling of energy.

[0003] However, the existing bed type RTO valve lacks a sealing device to help the valve further improve the sealing effect when in use, if the valve is not sealed tightly, it will cause part of the untreated waste gas to be directly discharged into the environment, which not only reduces the treatment efficiency of waste gas, but also may pollute the environment

[0004] To solve the above problems, the inventor proposes a kind of sealing device of bed type RTO matched switching valve for solving the above problems. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of sealing device of bed type RTO matched switching valve, including RTO pipeline, one end of the RTO pipeline is fixedly connected with valve equipment, the inner side of the RTO pipeline is respectively provided with connecting plate and snap ring, the bottom end of the connecting plate is fixedly installed with telescopic cylinder, the driving end of the telescopic cylinder is fixedly connected with push disc, the inner side of the push disc is provided with array distribution's clamping groove, the outer side of the clamping groove is movably connected with clamping strip, the inner side of the clamping groove is fixedly installed with the spring of symmetrical distribution, the top of the spring is fixedly connected with corresponding clamping strip, the inner side of the clamping groove is fixedly installed with fixed cylinder in middle part, one end of the fixed cylinder is provided with sliding slot, the inner side of the sliding slot is slidably connected with sliding cylinder, one end of the sliding cylinder is fixedly connected with corresponding clamping strip, the outer surface of the snap ring is attached to the inner wall of RTO pipeline.

[0006] Preferably, the inner side of the RTO pipeline is provided with horizontal groove, the inner side of the horizontal groove is fixedly installed with the connecting column of symmetrical distribution, the outer side of the connecting column is slidably sleeved with horizontal plate, one end of the connecting plate and snap ring and horizontal plate are fixedly connected, one end of the horizontal plate is fixedly installed with connecting piece, one end of the connecting piece is screwedly installed with the bolt of symmetrical distribution, one end of the bolt is screwedly connected with RTO pipeline.

[0007] Preferably, the outer side of the push disc is fixedly sleeved with encryption ring.

[0008] Preferably, the outer side of the RTO pipeline is provided with a heat insulation sleeve.

[0009] Preferably, the top end of the valve device is fixedly provided with a sensor.

[0010] Preferably, one end of the connecting piece is fixedly provided with a pull ring.

[0011] Compared with the prior art, the beneficial effects of the utility model lie in:

[0012] 1. Through cooperation of the valve device, the telescopic cylinder, the push disc, the clamping strip and the clamping ring, when the clamping strip passes through the clamping ring, it first slides into the clamping groove, and the spring is in a squeezed state, then the clamping strip is pushed out of the clamping groove by the squeezed spring, the sliding cylinder slides in the sliding groove to limit the spring, and the encryption ring is clamped on the clamping ring after the clamping strip is tightly attached to the clamping ring, so that the reinforced sealing function is realized, waste gas leakage is prevented to cause pollution to the environment, and the waste gas sealing reliability is improved.

[0013] 2. The clamping ring and the connecting plate are installed by setting the horizontal plate into the horizontal groove and sleeving the connecting column, the horizontal plate is extracted after the bolts are disassembled, the connecting plate and the clamping ring and the plurality of components are separated from the RTO pipeline, and the plurality of components are conveniently overhauled and maintained. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0015] Fig. 1 It is a structural schematic diagram of the utility model.

[0016] Fig. 2 It is a sectional view of the RTO pipeline structure of the utility model.

[0017] Fig. 3 It is a sectional view of the push disc structure of the utility model.

[0018] In the drawing: 1, RTO pipeline; 11, valve device; 12, connecting plate; 13, telescopic cylinder; 14, clamping ring; 15, push disc; 16, clamping groove; 17, clamping strip; 18, spring; 19, fixed cylinder; 20, sliding groove; 21, sliding cylinder; 22, horizontal groove; 23, connecting column; 24, horizontal plate; 25, connecting piece; 26, bolt; 27, encryption ring; 28, heat insulation sleeve; 29, sensor; 30, pull ring. DETAILED DESCRIPTION

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example: Figs. 1-3 As shown, this utility model provides a technical solution: a sealing device for a bed-type RTO with a switching valve, including an RTO pipe 1, a valve device 11 fixedly connected to one end of the RTO pipe 1, a connecting plate 12 and a retaining ring 14 respectively provided on the inner side of the RTO pipe 1, a telescopic cylinder 13 fixedly installed at the bottom end of the connecting plate 12, a push plate 15 fixedly connected to the driving end of the telescopic cylinder 13, an array of slots 16 opened on the inner side of the push plate 15, retaining strips 17 movably connected to the outer side of each slot 16, symmetrically distributed springs 18 fixedly installed on the inner side of each slot 16, the top of each spring 18 fixedly connected to the corresponding retaining strip 17, a fixed cylinder 19 fixedly installed in the middle of the inner side of each slot 16, a sliding groove 20 opened at one end of each fixed cylinder 19, a sliding cylinder 21 slidably connected to the inner side of each sliding groove 20, one end of the sliding cylinder 21 fixedly connected to the corresponding retaining strip 17, and the outer surface of the retaining ring 14 fitting against the inner wall of the RTO pipe 1.

[0021] A transverse groove 22 is provided on the inner side of the RTO pipe 1. A symmetrically distributed connecting column 23 is fixedly installed on the inner side of the transverse groove 22. A transverse plate 24 is slidably sleeved on the outer side of the connecting column 23. One end of the connecting plate 12 and the retaining ring 14 is fixedly connected to the transverse plate 24. A connecting piece 25 is fixedly installed on one end of the transverse plate 24. A symmetrically distributed bolt 26 is threaded on one end of the connecting piece 25. One end of the bolt 26 is threadedly connected to the RTO pipe 1.

[0022] By adopting the above technical solution, the horizontal plate 24 is inserted into the horizontal groove 22 and fitted onto the connecting column 23 to facilitate the installation of the retaining ring 14 and the connecting plate 12. After removing the bolt 26, the horizontal plate 24 can be pulled out, making it easy to separate the connecting plate 12, the retaining ring 14, and multiple components from the RTO pipe 1, which facilitates the inspection and maintenance of multiple components, which is very convenient.

[0023] The outer side of the push plate 15 is fixedly fitted with a security ring 27.

[0024] By adopting the above technical solution, and by setting up the encryption ring 27, when the push plate 15 is pushed onto the retaining ring 14, the encryption ring 27 will seal the gap between the retaining ring 14 and the push plate 15 again, thereby strengthening the sealing performance.

[0025] An insulation sleeve 28 is fixedly installed on the outside of the RTO pipe 1.

[0026] By adopting the above technical scheme, the heat insulation sleeve 28 is arranged to help the RTO pipeline 1 to be heat-insulated, so that the too fast loss of gas temperature is effectively prevented.

[0027] The top end of the valve device 11 is fixedly installed with a sensor 29.

[0028] By adopting the above technical scheme, the sensor 29 is arranged to conveniently transmit the running condition of the valve device 11 to the control terminal.

[0029] One end of the connecting sheet 25 is fixedly installed with a pull ring 30.

[0030] By adopting the above technical scheme, the pull ring 30 is used to conveniently separate the horizontal plate 24 from the horizontal groove 22 and the connecting column 23.

[0031] Working principle: first, when using the device, the RTO pipeline 1 and the valve device 11 are connected with corresponding devices, and then put into use, the gas enters from the RTO pipeline 1, and then passes through the valve device 11 to go to the combustion chamber, when the gas flow reaches the standard, the valve device 11 is closed for preliminary sealing, then the telescopic cylinder 13 pushes the push disc 15 to move, the push disc 15 drives the clamping strip 17 to move through the clamping ring 14, when the clamping strip 17 passes through the clamping ring 14, it first slides into the clamping groove 16, and the spring 18 is in a squeezed state, then the clamping strip 17 is pushed out of the clamping groove 16 through the squeezed spring 18, the sliding cylinder 21 is limited in the sliding groove 20, and the clamping strip 17 is tightly attached to the clamping ring 14, so that the sealing function is strengthened, the exhaust gas leakage is prevented, the environment is prevented from being polluted, the exhaust gas sealing reliability is improved, the horizontal plate 24 is inserted into the horizontal groove 22 and is sleeved on the connecting column 23, so that the clamping ring 14 and the connecting plate 12 are conveniently installed and dismounted, the bolt 26 is dismounted, the horizontal plate 24 is pulled out, the connecting plate 12 and the clamping ring 14 and the plurality of components are separated from the RTO pipeline 1, the plurality of components are conveniently maintained and repaired, and it is very convenient.

[0032] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.

Claims

1. A sealing device for bed-type RTO package switching valve, comprising an RTO pipeline (1), characterized in that: One end of the RTO pipeline (1) is fixedly connected with valve equipment (11), the inner side of the RTO pipeline (1) is respectively provided with connecting plate (12) and snap ring (14), the bottom end of the connecting plate (12) is fixedly installed with telescopic cylinder (13), the driving end of the telescopic cylinder (13) is fixedly connected with push disc (15), the inner side of the push disc (15) is provided with array distributed clamping groove (16), the outer side of the clamping groove (16) is movably connected with clamping strip (17), the inner side of the clamping groove (16) is fixedly installed with symmetrically distributed spring (18), the top end of the spring (18) is fixedly connected with the corresponding clamping strip (17), the inner side of the clamping groove (16) is fixedly installed with fixed cylinder (19) in the middle, one end of the fixed cylinder (19) is provided with sliding groove (20), the inner side of the sliding groove (20) is movably connected with sliding cylinder (21), one end of the sliding cylinder (21) is fixedly connected with the corresponding clamping strip (17), the outer surface of the snap ring (14) is attached to the inner wall of the RTO pipeline (1).

2. A seal assembly for a bed RTO packaged switch valve as defined in claim 1, wherein, The inner side of the RTO pipeline (1) is provided with horizontal groove (22), the inner side of the horizontal groove (22) is fixedly installed with symmetrically distributed connecting column (23), the outer side of the connecting column (23) is movably sleeved with horizontal plate (24), one end of the connecting plate (12) and the snap ring (14) is fixedly connected with the horizontal plate (24), one end of the horizontal plate (24) is fixedly installed with connecting piece (25), one end of the connecting piece (25) is screwedly installed with symmetrically distributed bolts (26), one end of the bolt (26) is screwedly connected with the RTO pipeline (1).

3. A seal assembly for a bed RTO packaged switch valve as defined in claim 1, wherein, The outer side of the push disc (15) is fixedly sleeved with encryption ring (27).

4. A seal assembly for a bed RTO packaged switch valve as defined in claim 1, wherein, The outer side of the RTO pipeline (1) is fixedly sleeved with heat insulation sleeve (28).

5. A seal assembly for a bed RTO packaged switch valve as defined in claim 1, wherein, The top end of the valve equipment (11) is fixedly installed with sensor (29).

6. A seal assembly for a bed RTO packaged switch valve as defined in claim 2, wherein, One end of the connecting piece (25) is fixedly installed with pull ring (30).