Waste gas horizontal pushing valve based on RTO

Abstract

The utility model discloses an RTO-based waste gas horizontal push valve, which comprises an exhaust pipe and a cylinder, one end of the exhaust pipe is fixedly connected with a first valve plate, one end of a piston rod of the cylinder is fixedly connected with an extension rod, the circumferential outer wall of the extension rod is fixedly connected with a plurality of sliders, an air hole is arranged in the extension rod, and the first valve plate is fixedly connected with the air hole. One end of the extension rod is fixedly connected with a pressure relief cylinder, the air hole is communicated with the pressure relief cylinder, two second through holes are formed in the circumference of the pressure relief cylinder, the circumferential outer wall of the extension rod is slidably sleeved with a second valve plate, one side of the second valve plate is fixedly connected with a sliding cylinder, the sliding cylinder slides on the circumferential outer wall of the pressure relief cylinder, and the sliding cylinder is connected with an exhaust pipe in an inserted mode. The extension rod and the pressure relief barrel are pulled back under the driving of contraction of the air cylinder, so that the second through hole and the first through hole coincide, external air is conveyed into the pressure relief barrel through the air hole and then conveyed into the exhaust pipe through the first through hole and the second through hole, air pressure is balanced, and opening of the bench press valve is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing valves, in particular to an exhaust gas horizontal push valve based on RTO. Background Art

[0002] A regenerative thermal oxidizer is a highly efficient organic waste gas treatment device. Compared with traditional catalytic combustion and direct combustion thermal oxidizers, it has the characteristics of high thermal efficiency, low operating cost, and the ability to treat large-volume and low-concentration waste gas.

[0003] After the existing regenerative thermal oxidizer is used, the temperature in the combustion chamber drops, the air pressure decreases, and a negative pressure phenomenon appears inside. However, the existing horizontal push valve lacks an air pressure balance mechanism, resulting in the horizontal push valve being difficult to open. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defect that the existing horizontal push valve lacks an air pressure balance mechanism and is difficult to open after a negative pressure appears inside the incinerator in the prior art, and to propose an exhaust gas horizontal push valve based on RTO.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An exhaust gas horizontal push valve based on RTO includes an exhaust pipe and a cylinder. One end of the exhaust pipe is fixedly connected with a first valve plate. One end of the piston rod of the cylinder is fixedly connected with an extension rod. A plurality of sliders are fixedly connected to the circumferential outer wall of the extension rod. An air hole is provided inside the extension rod. One end of the extension rod is fixedly connected with a pressure relief cylinder. The air hole is communicated with the pressure relief cylinder. Two second through holes are provided on the circumference of the pressure relief cylinder. A second valve plate is slidably sleeved on the circumferential outer wall of the extension rod. One side of the second valve plate is fixedly connected with a sliding cylinder. The sliding cylinder slides on the circumferential outer wall of the pressure relief cylinder. The sliding cylinder is inserted into the exhaust pipe. A plurality of first through holes are provided on the circumference of the sliding cylinder. A plurality of sliding grooves are provided on the circumferential inner wall of the sliding cylinder. The sliders slide in the sliding grooves.

[0007] Further, a plurality of first sealing teeth are fixedly connected to one side of the first valve plate.

[0008] Further, a plurality of second sealing teeth are fixedly connected to one side of the second valve plate. The plurality of second sealing teeth are inserted into the plurality of first sealing teeth in an alternating manner.

[0009] Further, a third through hole is provided at one end of the sliding cylinder.

[0010] Further, a sealing ring is clamped at one end of the pressure relief cylinder.

[0011] Further, one end of the air hole passes through the top of the extension rod, and the other end of the air hole passes through one end of the extension rod.

[0012] The beneficial effects of the utility model are:

[0013] 1. By pulling back the extension rod and the pressure relief cylinder driven by the contraction of the cylinder, the second through hole is overlapped with the first through hole, and the outside air is transported from the air hole to the pressure relief cylinder, and then from the first through hole and the second through hole to the exhaust pipe, thereby balancing the air pressure and facilitating the opening of the bench press valve.

[0014] 2. By extending the rod under the drive of the cylinder to move, the second valve plate is driven to move toward the first valve plate, so that the second sealing teeth are staggered and inserted with the first sealing teeth for easy use by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of an RTO-based exhaust gas bench-press valve proposed by the utility model;

[0016] Figure 2 It is a partial cross-sectional structural schematic diagram of an RTO-based exhaust gas bench-press valve proposed by the utility model;

[0017] Figure 3 It is a cross-sectional structural schematic diagram of a first working state of an RTO-based exhaust gas bench-press valve proposed by the utility model;

[0018] Figure 4 This is a schematic cross-sectional structural diagram of a second working state of an RTO-based exhaust gas bench press valve proposed by the utility model.

[0019] In the figure: 1, exhaust pipe; 2, first valve plate; 3, second valve plate; 4, slide cylinder; 5, first through hole; 6, slide groove; 7, extension rod; 8, pressure relief cylinder; 9, second through hole; 10, slider; 11, air hole; 12, cylinder; 13, first sealing tooth; 14, second sealing tooth; 15, third through hole; 16, sealing ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figures 1 - 4, An RTO-based waste gas push valve, comprising an exhaust pipe 1 and a cylinder 12. One end of the exhaust pipe 1 is welded with a first valve plate 2. One end of the piston rod of the cylinder 12 is fixed with an extension rod 7 by bolts. A plurality of sliders 10 are welded on the circumferential outer wall of the extension rod 7. An air hole 11 is provided in the extension rod 7. One end of the extension rod 7 is welded with a pressure relief cylinder 8. The air hole 11 is communicated with the pressure relief cylinder 8. Two second through holes 9 are provided on the circumference of the pressure relief cylinder 8. A second valve plate 3 is slidably sleeved on the circumferential outer wall of the extension rod 7. One side of the second valve plate 3 is welded with a sliding cylinder 4. The sliding cylinder 4 slides on the circumferential outer wall of the pressure relief cylinder 8. The sliding cylinder 4 is inserted into the exhaust pipe 1. A plurality of first through holes 5 are provided on the circumference of the sliding cylinder 4. Driven by the contraction of the cylinder 12, the extension rod 7 and the pressure relief cylinder 8 are pulled back, so that the second through hole 9 coincides with the first through hole 5. The outside air is input into the pressure relief cylinder 8 from the air hole 11, and then input into the exhaust pipe 1 from the first through hole 5 and the second through hole 9, so as to balance the air pressure. A plurality of sliding grooves 6 are provided on the inner circumferential wall of the sliding cylinder 4. The sliders 10 slide in the sliding grooves 6.

[0022] A plurality of first sealing teeth 13 are welded on one side of the first valve plate 2. A plurality of second sealing teeth 14 are welded on one side of the second valve plate 3. The plurality of second sealing teeth 14 and the plurality of first sealing teeth 13 are alternately inserted. Sealing is carried out by the alternate insertion of the second sealing teeth 14 and the first sealing teeth 13. A third through hole 15 is provided at one end of the sliding cylinder 4. A sealing ring 16 is clamped at one end of the pressure relief cylinder 8. Sealing is carried out between the pressure relief cylinder 8 and the sliding cylinder 4 through the sealing ring 16. One end of the air hole 11 passes through the top of the extension rod 7, and the other end of the air hole 11 passes through one end of the extension rod 7.

[0023] Working principle: During use, driven by the cylinder 12, the extension rod 7 moves, thereby driving the second valve plate 3 to move towards the first valve plate 2, and further enabling the second sealing teeth 14 and the first sealing teeth 13 to be alternately inserted. The cylinder 12 continues to stretch, causing the slider 10 to move in the sliding groove 6, thereby driving the pressure relief cylinder 8 to move in the sliding cylinder 4, and further blocking the first through hole 5 and the third through hole 15 for sealing;

[0024] When a negative pressure situation occurs, driven by the contraction of the cylinder 12, the extension rod 7 and the pressure relief cylinder 8 are pulled back, so that the second through hole 9 coincides with the first through hole 5. The outside air is input into the pressure relief cylinder 8 from the air hole 11, and then input into the exhaust pipe 1 from the first through hole 5, the second through hole 9 and the third through hole 15, so as to balance the air pressure.

[0025] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An exhaust gas bench-press valve based on RTO, comprising an exhaust pipe (1) and a cylinder (12), characterized in that: One end of the exhaust pipe (1) is fixedly connected to a first valve plate (2), one end of the piston rod of the cylinder (12) is fixedly connected to a protruding rod (7), a plurality of sliders (10) are fixedly connected to the circumferential outer wall of the protruding rod (7), an air hole (11) is provided in the protruding rod (7), one end of the protruding rod (7) is fixedly connected to a pressure relief cylinder (8), the air hole (11) is communicated with the pressure relief cylinder (8), the circumference of the pressure relief cylinder (8) is provided with two second through holes (9), the circumference of the protruding rod (7) is slidably sleeved with a second valve plate (3), one side of the second valve plate (3) is fixedly connected to a slide cylinder (4), the slide cylinder (4) slides on the circumferential outer wall of the pressure relief cylinder (8), the slide cylinder (4) is plugged into the exhaust pipe (1), the circumference of the slide cylinder (4) is provided with a plurality of first through holes (5), the circumference of the slide cylinder (4) is provided with a plurality of slide grooves (6), and the sliders (10) slide in the slide grooves (6).

2. The RTO-based exhaust gas bench-press valve according to claim 1, characterized in that: A plurality of first sealing teeth (13) are fixedly connected to one side of the first valve plate (2).

3. The RTO-based exhaust gas bench-press valve according to claim 1, characterized in that: A plurality of second sealing teeth (14) are fixedly connected to one side of the second valve plate (3), and the plurality of second sealing teeth (14) are staggeredly plugged into the plurality of first sealing teeth (13).

4. The RTO-based exhaust gas bench-press valve according to claim 1, characterized in that: A third through hole (15) is provided at one end of the slide cylinder (4).

5. The RTO-based exhaust gas bench-press valve according to claim 1, characterized in that: A sealing ring (16) is clamped on one end of the pressure relief cylinder (8).

6. The RTO-based exhaust gas bench-press valve according to claim 1, characterized in that: One end of the air hole (11) passes through the top of the extension rod (7), and the other end of the air hole (11) passes through one end of the extension rod (7).

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