CN220151902U - Poppet valve with double valve plate structure - Google Patents
Poppet valve with double valve plate structure Download PDFInfo
- Publication number
- CN220151902U CN220151902U CN202320640846.6U CN202320640846U CN220151902U CN 220151902 U CN220151902 U CN 220151902U CN 202320640846 U CN202320640846 U CN 202320640846U CN 220151902 U CN220151902 U CN 220151902U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- double
- sealing ring
- air chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 16
- 230000006872 improvement Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000010815 organic waste Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a lift valve with a double-valve-plate structure, which comprises a valve body, wherein a first air chamber and a second air chamber are respectively arranged at the top end and the bottom end of the valve body, the first air chamber and the second air chamber are respectively communicated with the interior of the valve body through a first sealing ring and a second sealing ring, the double-valve-plate structure is positioned in the valve body and is connected with a power output end of a lifting driving unit through a valve rod which is vertically arranged, the double-valve-plate structure moves up and down under the driving of the lifting driving unit, and the end part of the double-valve-plate structure is in contact sealing with the end face of the first sealing ring or the end face of the second sealing ring; the double-valve-plate structure comprises a first valve plate, a second valve plate and an elastic buffer gasket, wherein the first valve plate and the second valve plate are arranged at the bottom end of the valve rod side by side from top to bottom, a certain gap is formed between the first valve plate and the second valve plate, and the elastic buffer gasket is filled and arranged in the gap. The double-valve-plate structure is adopted, when the valve plate and the sealing ring contact to close the channel, the deformation of the valve plate is reduced under the condition of not influencing the leakage, and the service life of the valve plate is effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of industrial waste gas treatment equipment, in particular to a poppet valve with a double-valve plate structure.
Background
The regenerative oxidation furnace (RTO) is commonly used in the industrial organic waste gas treatment process, and the principle is that organic waste gas is heated to 760 ℃ or higher, so that organic matters in the waste gas are oxidized and decomposed into carbon dioxide and water, high-temperature gas generated by oxidation flows through a ceramic heat accumulator, the ceramic heat accumulator is heated to store heat, and a heat storage state heat storage chamber is used for preheating the organic waste gas which enters later. The regenerator is divided into two or more chambers, and each regenerator is subjected to the procedures of heat accumulation, heat release, cleaning and the like in sequence, and continuously works.
In the exhaust gas treatment system, in order to ensure that each regenerator is smoothly switched, a lifting valve is required to be used, the existing lifting valve is of a single valve plate structure, a valve plate is driven to move up and down under the pushing action of a cylinder, and the end face of the valve plate is in contact with the end face of a sealing ring for sealing or separating, so that a corresponding air channel is smoothly opened or closed, and normal switching of exhaust gas is completed.
Because current promotion valve is single valve plate structure, to the poppet valve of a business turn over two structure, need seal two exports, must produce great deflection when the valve plate closes under cylinder thrust effect, single valve plate can go out metal fatigue in long-time operation moreover, leads to the valve plate to warp, uses for a long time to lead to the valve plate sealed effect to descend, the leakage volume increases when the valve is closed, thereby leads to the tail gas after handling not up to standard.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a double-valve-plate-structure poppet valve, which adopts a double-valve-plate structure, reduces the deformation of a valve plate under the condition of not influencing the leakage amount when the valve plate is contacted with a sealing ring to close a channel, and effectively prolongs the service life of the valve plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a poppet valve with a double-valve-plate structure, which comprises a valve body, a first air chamber, a second air chamber, a first sealing ring, a second sealing ring, a lifting driving unit, a valve rod and the double-valve-plate structure, wherein the valve body is provided with a first opening;
the top end and the bottom end of the valve body are respectively provided with a first air chamber and a second air chamber, the first air chamber and the second air chamber are respectively communicated with the interior of the valve body through a first sealing ring and a second sealing ring, the double valve plate structure is positioned in the valve body and is connected with a power output end of a lifting driving unit through a valve rod which is vertically arranged, and the double valve plate structure moves up and down under the driving of the lifting driving unit, and the end part of the double valve plate structure is in contact sealing with the end face of the first sealing ring or the end face of the second sealing ring;
the double-valve-plate structure comprises a first valve plate, a second valve plate and an elastic buffer gasket, wherein the first valve plate and the second valve plate are arranged at the bottom end of the valve rod side by side from top to bottom, a certain gap is formed between the first valve plate and the second valve plate, and the elastic buffer gasket is filled and arranged in the gap.
The further improvement is that the top end of the first valve plate and the bottom end of the second valve plate are both provided with sealing gaskets.
During operation, drive valve rod and be located the first valve plate and the second valve plate reciprocates on the valve rod through promoting drive unit, when first valve plate top and first sealing ring bottom terminal surface contact compress tightly when sealed or second valve plate bottom and second sealing ring top terminal surface contact compress tightly when sealed, both contact department is through sealing gasket further sealed, has guaranteed the leakproofness after valve plate and the sealing ring contact, effectively closes the passageway, avoids gas to leak through here.
The lifting driving unit is an air cylinder and a supporting frame, the air cylinder is vertically installed at the top end of the first air chamber through the supporting frame, and the power output end of the air cylinder is vertically downwards connected with the top end of the valve rod.
In other embodiments, the lifting driving unit may also use other structural components with linear driving function in the prior art, such as an oil cylinder or an electric driving component.
The further improvement is that the first air chamber and the second air chamber are internally provided with air channels communicated with the first sealing ring and the second sealing ring, and the outer side walls of the air channels are provided with connectors communicated with the air channels.
When the device works, the connecting ports of the first air chamber and the second air chamber are respectively connected with the air inlet and outlet channels of the oxidation furnace, and the corresponding sealing rings are controlled to be in close contact with the valve plates to close the channels, so that the function of cutting off the gas circulation at the positions is achieved, and the function of changing the gas flow direction is achieved.
The further improvement is that the outer side wall of the valve body is provided with an air inlet and an air outlet, and the valve body is used for connecting the air inlet or the air outlet when in use.
A further improvement is that an access door is mounted outside both the first air chamber and the second air chamber.
Through this access door, make things convenient for the staff to overhaul in real time or observe the service behavior of inside valve body subassembly.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the double-valve plate structure is adopted to replace the existing single-valve plate structure, a certain gap is reserved between two valve plates in the double-valve plate structure, and the elastic buffer gasket is arranged in the gap, so that when the valve plates are contacted with the sealing ring to close the channel, the deformation of the valve plates is reduced under the condition that the leakage is not influenced, the service life of the valve plates is effectively prolonged, and compared with a single-valve plate lifting valve, the overall service life is increased by 2-3 times.
Drawings
The utility model will be described in further detail with reference to the drawings and the specific embodiments.
FIG. 1 is a schematic view of the overall structure of a poppet valve of a dual valve plate construction in accordance with the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
wherein, the specific reference numerals are as follows: the air conditioner comprises a first air chamber 1, a second air chamber 2, an air duct 3, a first sealing ring 4, a second sealing ring 5, a lifting driving unit 6, an air cylinder 7, a supporting frame 8, a valve body 9, a valve rod 10, a double-valve-plate structure 11, a first valve plate 12, a second valve plate 13, an elastic buffer gasket 14 and a sealing gasket 15.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
The embodiment of the utility model discloses a poppet valve with a double-valve-plate structure, which comprises a valve body 9, a first air chamber 1, a second air chamber 2, a first sealing ring 4, a second sealing ring 5, a lifting driving unit 6, a valve rod 10 and a double-valve-plate structure 11, as shown in fig. 1 and 2;
the top end and the bottom end of the valve body 9 are respectively provided with a first air chamber 1 and a second air chamber 2, the first air chamber 1 and the second air chamber 2 are respectively communicated with the inside of the valve body 9 through a first sealing ring 4 and a second sealing ring 5, a double valve plate structure 11 is positioned in the valve body 9 and is connected with the power output end of a lifting driving unit 6 through a valve rod 10 which is vertically arranged, the double valve plate structure 11 moves up and down under the driving of the lifting driving unit 6, the end parts of the double valve plate structure 11 are in contact and seal with the end surfaces of the first sealing ring 4 or the second sealing ring 5, and a gas flow channel at the position is closed, so that the function of changing the gas flow direction is realized;
the double-valve-plate structure 11 comprises a first valve plate 12, a second valve plate 13 and an elastic buffer gasket 14, wherein the first valve plate 12 and the second valve plate 13 are arranged at the bottom end of the valve rod 10 side by side up and down, a certain gap is formed between the first valve plate 12 and the second valve plate 13, and the elastic buffer gasket 14 is filled and arranged in the gap.
By adopting the double-valve plate structure 11 to replace the existing single-valve plate structure, a certain gap is reserved between two valve plates in the double-valve plate structure 11, the gap distance can be adjusted according to the thrust of the lifting drive unit 6 and the deformation of the valve plates when the valve plates are closed, and an elastic buffer gasket 14 is arranged in the gap, so that when the valve plates are in contact with the sealing rings to close the channels, the deformation of the valve plates is reduced under the condition that the leakage is not influenced, the service life of the valve plates is effectively prolonged, and compared with a single-valve plate lifting valve, the overall service life is increased by 2-3 times.
Wherein, sealing gasket 15 is arranged at the top end of first valve plate 12 and the bottom end of second valve plate 13. During operation, the valve rod 10 and the first valve plate 12 and the second valve plate 13 which are positioned on the valve rod 10 are driven to move up and down through the lifting driving unit 6, when the top end of the first valve plate 12 is in contact with the end face of the bottom end of the first sealing ring 4 to be tightly pressed and sealed, or when the bottom end of the second valve plate 13 is in contact with the end face of the top end of the second sealing ring 5 to be tightly pressed and sealed, the contact part of the first valve plate 12 and the second valve plate is further sealed through the sealing gasket 15, the tightness of the valve plate after the valve plate is in contact with the sealing ring is ensured, the channel is effectively closed, and gas leakage is avoided through the contact part.
The lifting driving unit 6 is an air cylinder 7 and a supporting frame 8, the air cylinder 7 is vertically arranged at the top end of the first air chamber 1 through the supporting frame 8, and the power output end of the air cylinder 7 is vertically downwards connected with the top end of the valve rod 10. In other embodiments, the lifting driving unit 6 may also be other structural components with linear driving function in the prior art, such as an oil cylinder or an electric driving component.
Wherein, air flue 3 that is linked together with first sealing ring 4 and second sealing ring 5 is all formed in first air chamber 1 and the inside of second air chamber 2, and the connector that is linked together with air flue 3 is all seted up to its lateral wall. During operation, the connecting ports of the first air chamber 1 and the second air chamber 2 are respectively connected with the air inlet and outlet channels of the oxidation furnace, and the corresponding sealing rings are controlled to be in close contact with the valve plates to close the channels, so that the function of cutting off the gas circulation at the positions is achieved, and the function of changing the gas flow direction is realized.
Wherein, the outer side wall of the valve body 9 is provided with an air inlet and an air outlet, and the valve body is used for connecting with the air inlet or the air outlet when in use.
Wherein, the access door is installed to the outside of first air chamber 1 and second air chamber 2. Through this access door, make things convenient for the staff to overhaul in real time or observe the service behavior of inside valve body 9 subassembly.
In summary, the poppet valve with the double-valve-plate structure adopts the double-valve-plate structure, reduces the deformation of the valve plate under the condition of not influencing the leakage when the valve plate contacts with the sealing ring to close the channel, and effectively prolongs the service life of the valve plate.
The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.
Claims (6)
1. The poppet valve with the double-valve-plate structure is characterized by comprising a valve body, a first air chamber, a second air chamber, a first sealing ring, a second sealing ring, a lifting driving unit, a valve rod and the double-valve-plate structure;
the top end and the bottom end of the valve body are respectively provided with a first air chamber and a second air chamber, the first air chamber and the second air chamber are respectively communicated with the interior of the valve body through a first sealing ring and a second sealing ring, the double valve plate structure is positioned in the valve body and is connected with a power output end of a lifting driving unit through a valve rod which is vertically arranged, and the double valve plate structure moves up and down under the driving of the lifting driving unit, and the end part of the double valve plate structure is in contact sealing with the end face of the first sealing ring or the end face of the second sealing ring;
the double-valve-plate structure comprises a first valve plate, a second valve plate and an elastic buffer gasket, wherein the first valve plate and the second valve plate are arranged at the bottom end of the valve rod side by side from top to bottom, a certain gap is formed between the first valve plate and the second valve plate, and the elastic buffer gasket is filled and arranged in the gap.
2. The dual-valve plate structured poppet valve of claim 1, wherein both the first valve plate top end and the second valve plate bottom end are provided with sealing gaskets.
3. The poppet valve of claim 1, wherein the poppet driving unit is a cylinder and a support frame, the cylinder is vertically mounted at the top end of the first air chamber through the support frame, and a power output end of the cylinder is vertically connected to the top end of the valve rod.
4. The poppet valve of claim 1, wherein the first and second air chambers each have an air passage formed therein in communication with the first and second seal rings, and the outer side walls thereof are each provided with a connection port in communication with the air passage.
5. The poppet valve of claim 1, wherein the outer sidewall of the valve body is provided with an air inlet and an air outlet.
6. The poppet valve of the double-valve plate structure as defined in claim 1, wherein an access door is installed outside both the first and second air chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640846.6U CN220151902U (en) | 2023-03-28 | 2023-03-28 | Poppet valve with double valve plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640846.6U CN220151902U (en) | 2023-03-28 | 2023-03-28 | Poppet valve with double valve plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151902U true CN220151902U (en) | 2023-12-08 |
Family
ID=89011816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320640846.6U Active CN220151902U (en) | 2023-03-28 | 2023-03-28 | Poppet valve with double valve plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151902U (en) |
-
2023
- 2023-03-28 CN CN202320640846.6U patent/CN220151902U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201344287Y (en) | Vacuum valve of continuous evacuation device | |
| CN220151902U (en) | Poppet valve with double valve plate structure | |
| CN201884714U (en) | Airtight lift valve | |
| CN215418482U (en) | Lithium battery vacuum exhaust device | |
| CN206875956U (en) | Variable capacity bench vehicle type electrical resistance furnace | |
| CN215213435U (en) | Intelligent gas well differential valve | |
| CN217234455U (en) | Rectangular gate valve | |
| CN215566973U (en) | Reversing valve | |
| CN112857033A (en) | Roller kiln replacement chamber and air exchange system | |
| CN217130351U (en) | Gas switching poppet valve for heat accumulating type thermal oxidation furnace | |
| CN212616520U (en) | Poppet valve for exhaust gas treatment system | |
| CN219297658U (en) | Sealing structure of medium-temperature electrolytic tank | |
| CN220286521U (en) | Novel gas furnace pipeline reversing device | |
| CN209639507U (en) | A kind of displacement room being heat-treated kiln | |
| CN216666631U (en) | Stable electric valve structure of high-temperature steam box for food | |
| CN216343922U (en) | Sealing structure suitable for heat accumulating type incinerator and heat accumulating type incinerator | |
| CN220250013U (en) | Waste gas collecting box | |
| CN217463261U (en) | Double-layer air sealing structure of poppet valve, combustion chamber and heat storage oxidation device | |
| CN109357031A (en) | The Novel gate valve of gear driving | |
| CN219866335U (en) | Sealing device of poppet valve | |
| CN219368344U (en) | Kiln four-door replacement room | |
| CN113532122B (en) | Sealing furnace cover for aluminum ingot smelting furnace | |
| CN219195095U (en) | Compression sealing device of nitriding equipment | |
| CN217654348U (en) | Vertical spiral plate heat exchanger | |
| CN219606039U (en) | Air current switching valve based on RTO |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |