Quick-release lift valve for small RTO

Abstract

The utility model discloses a quick-release lift valve for a small RTO, which relates to the technical field of lift valve equipment and comprises a valve seat, a valve plate, an air cylinder, an air cylinder welding flange and an air cylinder fixing flange. A shaft of the lifting valve is omitted and replaced by a shaft of the air cylinder; the through groove of the cylinder welding flange is larger than the valve plate, and when disassembly is needed, the first bolt can be loosened, and the whole lifting valve is pulled out of the shell and maintained outside; most of the parts used by the utility model are standard parts, so that the number of steps needing lathe metal machining is small, and the production and manufacturing are simple; when the lift valve is disassembled, the cylinder fixing flange and the cylinder welding flange can be disassembled and separated only by screwing the first bolt, the guide rod and the valve seat can be disassembled and separated only by screwing the guide rod, and then the lift valve can be disassembled from the RTO pipeline integrally, so that the lift valve is convenient and rapid to operate and high in practicability. And dismounting operation in the pipeline is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of poppet valve equipment, specifically to a kind of for small RTO quick-release type poppet valve. BACKGROUND

[0002] Cylinder poppet valve, also known as poppet valve, sometimes also called cone valve, mushroom valve, mushroom valve, poppet valve runs in valve guide; RTO waste gas treatment equipment is a kind of equipment for efficiently treating organic waste gas and volatile organic compounds (VOCs), which decomposes waste gas by high-temperature oxidation, and converts it into harmless substances such as carbon dioxide and water vapor, while realizing the recycling of energy.

[0003] The patent (CN220910477U) discloses a poppet valve, which comprises a box body, a wind channel opening is arranged at the bottom of the box body, guide rods are arranged around the wind channel opening, the two ends of the guide rods penetrate through the box body and are fixed by fastening nuts; a cylinder is installed at the top of the box body, the piston rod of the cylinder penetrates through the box body and is connected to a connecting rod, the lower end of the connecting rod is connected to a poppet valve plate, a sleeve opening is arranged around the poppet valve plate, each sleeve opening is sleeved on the corresponding guide rod, and a sleeve is arranged on the side of the connecting rod; an electric telescopic rod is arranged on the side wall of the box body, the piston rod end of the electric telescopic rod penetrates through the side wall of the box body and is placed in the box body, and the size of the piston rod of the electric telescopic rod matches the sleeve; the poppet valve is simple in structure and novel in design, and the piston rod of the electric telescopic rod can be inserted into the sleeve to lock the poppet valve, which can effectively prevent the poppet valve plate from falling due to insufficient cylinder pressure, and the poppet valve can be locked or unlocked at will by controlling the extension and retraction of the electric telescopic rod.

[0004] The poppet valve in the above patent document and the conventional poppet valve need to be accessed from the maintenance door during installation and maintenance, and need to be installed and maintained inside the pipeline, but the internal space of the small poppet valve is limited, and a person cannot enter; in some industries, such as the feed industry, the amount of organic waste gas is relatively small, about 1000 standard liters / hour, at this time, the RTO is designed to be relatively small, and the internal space is limited, especially the installation and disassembly of the poppet valve are more prominent; the existing similar scheme is to use a butterfly valve, but the sealing performance of the butterfly valve is not enough, and the RTO treatment efficiency cannot meet the requirements. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of for small RTO quick-release type poppet valve to solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model provides technical scheme as follows: A kind of quick-release type poppet valve for small RTO, including valve seat, valve plate, cylinder, cylinder welding flange, cylinder fixed flange, the valve seat and cylinder welding flange are fixedly connected with pipeline respectively, the cylinder is fixedly connected with cylinder fixed flange, the output shaft of the cylinder is fixedly connected with valve plate, flange sealing gasket is equipped between the cylinder welding flange and cylinder fixed flange, the cylinder welding flange surface is provided with through slot matched with valve plate.

[0007] Further, the valve plate surface is slidably provided with a plurality of guide rods, one end of the guide rod extends to the outside of the cylinder fixed flange.

[0008] Further, the valve seat surface is provided with a plurality of fixed nuts, the end of the guide rod away from the cylinder fixed flange is threadedly connected with the fixed nut.

[0009] Further, the end of the guide rod away from the fixed nut is provided with a one-way notch, the surface of the cylinder fixed flange is provided with a mounting hole matched with the guide rod, and the inner wall of the mounting hole is provided with a sealing washer.

[0010] Further, the output shaft of the cylinder is fixedly connected with the valve plate through a connecting disc, and the connecting disc is fixedly connected with the valve plate through a plurality of second bolts.

[0011] Further, the second bolts are fixed by steel wires.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a valve seat, a valve plate, a cylinder, a cylinder welding flange and a cylinder fixed flange, which can ensure the directionality and concentricity between the valve seat and the valve plate; the utility model discloses a poppet valve, which uses the shaft of the cylinder instead of the shaft of the poppet valve; the through slot of the cylinder welding flange is larger than the valve plate, so that when disassembly is required, the first bolts can be loosened, the poppet valve can be pulled out of the shell as a whole, and maintenance can be carried out outside; the valve plate and the valve seat are standard flanges and blind plates, which have sufficient strength and surface flatness and can ensure the sealing property when closed; most of the parts used in the utility model are standard parts, and the number of lathe machining steps is small, so that production and manufacturing are simple; when the poppet valve is disassembled, the cylinder fixed flange and the cylinder welding flange can be disassembled and separated only by loosening the first bolts, the guide rod and the valve seat can be disassembled and separated only by loosening the guide rod, and then the poppet valve can be disassembled from the RTO pipeline as a whole, so that the operation is convenient and fast, and disassembly operation in the pipeline is not required. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the present application and form a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0015] Figure 1 is a structural schematic view of the whole of the present application;

[0016] Figure 2 is a structural schematic view of the valve seat, the valve plate and the cylinder fixing flange of the present application;

[0017] Figure 3 is a structural schematic view of the valve plate and the cylinder fixing flange of the present application;

[0018] Figure 4 is a structural schematic view of the cylinder fixing flange, the first bolt and the guide rod of the present application;

[0019] Figure 5 is a structural schematic view of the cylinder welding flange, the valve plate and the guide rod of the present application;

[0020] In the drawings: 1, valve seat; 2, valve plate; 3, one-letter slot; 4, guide rod; 5, cylinder welding flange; 6, fixing nut; 7, connecting disc; 8, steel wire; 9, cylinder fixing flange; 10, flange sealing gasket; 12, first bolt; 13, second bolt; 14, cylinder. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in 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.

[0022] Please refer to Figures 1-5 The present application provides a technical scheme: a small RTO quick-release type rising valve, comprising a valve seat 1, a valve plate 2, a cylinder 14, a cylinder welding flange 5, a cylinder fixing flange 9, the valve seat 1 and the cylinder welding flange 5 are fixedly connected with a pipeline respectively, the cylinder 14 is fixedly connected with the cylinder fixing flange 9, an output shaft of the cylinder 14 is fixedly connected with the valve plate 2, a flange sealing gasket 10 is arranged between the cylinder welding flange 5 and the cylinder fixing flange 9, the cylinder fixing flange 9 is fixedly connected with the cylinder welding flange 5 through a plurality of first bolts 12, and a through slot matched with the valve plate 2 is formed in the surface of the cylinder welding flange 5.

[0023] In one embodiment, the valve plate 2 surface slidingly penetrates a plurality of guide rods 4, one end of the guide rod 4 extends to the outside of the cylinder fixing flange 9, the valve seat 1 surface is provided with a plurality of fixed nuts 6, the guide rod 4 away from the cylinder fixing flange 9 one end is screwed with the fixed nut 6; the guide rod 4 guides and supports the valve plate 2, ensures the stability of the valve plate 2 movement, when installing, the guide rod 4 passes through the cylinder fixing flange 9 and the valve plate 2, the guide rod 4 one end is screwed with the fixed nut 6 on the valve seat 1, the valve plate 2 and the valve seat 1 are centered, ensure the stability and sealing performance of the valve plate 2 and the valve seat 1 when connecting; when disassembling, the guide rod 4 can be disassembled by screwing outward.

[0024] In one embodiment, the guide rod 4 away from the fixed nut 6 one end is provided with a one-shaped notch 3, the cylinder fixing flange 9 surface is provided with an installation hole matched with the guide rod 4, the inner wall of the installation hole is provided with a sealing washer, the one-shaped notch 3 facilitates the assembly and disassembly operation of the guide rod 4, the installation hole is provided for the guide rod 4 to pass through, and the sealing washer seals the guide rod 4 and the cylinder fixing flange 9, ensuring the sealing performance of the lift valve.

[0025] In one embodiment, the output shaft of the cylinder 14 and the valve plate 2 are fixedly connected through the connecting disc 7, the connecting disc 7 and the valve plate 2 are fixedly connected through a plurality of second bolts 13, the second bolts 13 are fixedly connected through the steel wire 8, the connecting disc 7 fixedly connects the output shaft of the cylinder 14 and the valve plate 2 together, the second bolt 13 is a hole bolt, the steel wire 8 passes through the hole bolt, and several bolts are connected together to prevent loosening.

[0026] The working principle of the utility model is:

[0027] Refer to the description attached Figures 1-5The utility model discloses a valve seat 1, valve plate 2, air cylinder 14, air cylinder welding flange 5, air cylinder fixed flange 9 are set up, air cylinder 14 is fixed to air cylinder fixed flange 9 through inside bolt, air cylinder fixed flange 9 is connected to the outside flange plate of air cylinder welding flange 5 through first bolt 12, and air cylinder welding flange 5 is welded on the pipeline;Leader 4 passes through air cylinder fixed flange 9, valve plate 2 from the outside, then is screwed to the fixed nut 6 of valve seat 1, and leader 4 can guarantee the directionality and concentricity between valve seat 1 and valve plate 2;The outside of leader 4 is a slot 3, and the inside is the external thread matched with fixed nut 6, and the outside can be disassembled with a straight awl;Each flange has four fluorine sealing washer and carries out the sealing, the utility model discloses the shaft of lift valve is saved, and the shaft of air cylinder 14 is replaced;The through slot of air cylinder welding flange 5 is greater than valve plate 2, when needing to disassemble, can loosen first bolt 12, and the lift valve is pulled out the shell as a whole, and is maintained in the outside, and valve plate 2 and valve seat 1 are standard flange and blind plate, and the strength and surface flatness are enough good, can guarantee the leakproofness when closing, the utility model discloses the parts used are mostly standard parts, and the steps of needing lathe gold processing are few, and the production and manufacturing are simple;

[0028] The utility model discloses the main components of lift valve: air cylinder 14, valve shaft (the utility model uses the shaft of air cylinder itself to replace), valve plate 2 etc. can be installed outside, and the whole is inserted into the pipeline, and the valve seat 1 and air cylinder welding flange 5 in the pipeline are welded in advance, after air cylinder fixed flange 9 and air cylinder welding flange 5 are aligned and contact, valve plate 2 is located in the pipeline inside at this moment, leader 4 supports valve plate 2, leader 4 is tightened, and leader 4 is fixedly connected with fixed nut 6 on valve seat 1 through screw thread, then first bolt 12 is tightened, and air cylinder fixed flange 9 and air cylinder welding flange 5 can be fixedly connected together, complete the whole installation operation to lift valve, and through first bolt 12 and leader 4, lift valve can be installed as a whole, when lift valve is disassembled, only need to turn first bolt 12, and the disassembly separation operation of air cylinder fixed flange 9 and air cylinder welding flange 5 can be realized, only need to turn leader 4, and the disassembly separation operation of leader 4 and valve seat 1 can be realized, then lift valve can be disassembled from RTO pipeline as a whole, convenient and fast operation, need not carry out the disassembly operation in the pipeline inside, and the installation and disassembly of bolt can use electric wrench operation.

[0029] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has been described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A small RTO quick-release type poppet valve comprising a valve seat (1), a valve plate (2), a cylinder (14), a cylinder welding flange (5), a cylinder fixing flange (9), characterized in that: The valve seat (1) and the cylinder welding flange (5) are fixedly connected with pipelines respectively, the cylinder (14) is fixedly connected with the cylinder fixed flange (9), the output shaft of the cylinder (14) is fixedly connected with the valve plate (2), the flange sealing gasket (10) is arranged between the cylinder welding flange (5) and the cylinder fixed flange (9), the cylinder fixed flange (9) is fixedly connected with the cylinder welding flange (5) through a plurality of first bolts (12), and the cylinder welding flange (5) is provided with a through groove matched with the valve plate (2) on the surface.

2. A fast-disassembly poppet valve for a small RTO according to claim 1, characterized in that: A plurality of guide rods (4) are arranged on the surface of the valve plate (2) and slide through the valve plate (2), and one end of the guide rod (4) extends to the outside of the cylinder fixed flange (9).

3. A fast-disassembly poppet valve for a small RTO according to claim 2, characterized in that: A plurality of fixed nuts (6) are arranged on the surface of the valve seat (1), and the end, away from the cylinder fixed flange (9), of the guide rod (4) is threadedly connected with the fixed nut (6).

4. A fast-disassembly poppet valve for a small RTO according to claim 3, characterized in that: The end, away from the fixed nut (6), of the guide rod (4) is provided with a one-shaped notch (3), the surface of the cylinder fixed flange (9) is provided with an installation hole matched with the guide rod (4), and a sealing washer is arranged on the inner wall of the installation hole.

5. A fast-disassembly poppet valve for a small RTO according to claim 1, characterized in that: The output shaft of the cylinder (14) is fixedly connected with the valve plate (2) through a connecting disc (7), and the connecting disc (7) is fixedly connected with the valve plate (2) through a plurality of second bolts (13).

6. A fast-disassembly poppet valve for a small RTO according to claim 5, characterized in that: The second bolts (13) are fixedly connected through steel wires (8).

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