CN112361050B - Poppet valve with air-break protection device - Google Patents
Poppet valve with air-break protection device Download PDFInfo
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- CN112361050B CN112361050B CN202110032618.6A CN202110032618A CN112361050B CN 112361050 B CN112361050 B CN 112361050B CN 202110032618 A CN202110032618 A CN 202110032618A CN 112361050 B CN112361050 B CN 112361050B
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- fixedly connected
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- valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a poppet valve with a gas-break protection device, which comprises a valve shell and a mounting plate, wherein the mounting plate is positioned at the upper end of the valve shell and is abutted against the valve shell, the mounting plate is connected with the valve shell through four connecting mechanisms, four support columns are fixedly connected at the upper end of the mounting plate, a top plate is fixedly connected at the upper ends of the four support columns, a cylinder is arranged on the top plate, an output end of the cylinder is provided with a telescopic rod, the telescopic rod sequentially penetrates through the top plate, the mounting plate and the valve shell, one end, far away from the cylinder, of the telescopic rod is fixedly connected with a valve body, the upper end of the mounting plate is fixedly connected with two limiting plates. The valve body is reasonable in structure, the valve body can be effectively prevented from moving downwards, and workers can be reminded when the air cylinder is in an air-off state, so that the workers can deal with and process in time, and safety is guaranteed well.
Description
Technical Field
The invention relates to the technical field of poppet valves, in particular to a poppet valve with a gas-cut-off protection device.
Background
The lift valve is used as a control element of a Regenerative Thermal Oxidizer (RTO) and directly influences the normal operation of the system, the lift valve generally adopts a cylinder as a power element, so that the possibility of cylinder air-break exists, when the control cylinder of the lift valve has local air-break, a valve plate and accessories of the lift valve can fall down slowly due to the influence of gravity and close an air outlet of a dust remover, the whole dust removal system cannot be used, the operation of the whole project is influenced, and the danger of engineering equipment (such as pipeline and equipment damage caused by abnormal rise of system pressure) can also be caused. Therefore, when the RTO is in normal operation, a short-term protection device needs to be installed on the poppet valve to improve the reliability of the valve.
The existing poppet valve air-break protection device has weak protection capability and cannot well prevent the valve plate and accessories of the poppet valve from falling, so that the poppet valve with the air-break protection device is needed to improve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a poppet valve with a gas-cut-off protection device, which not only can effectively prevent a valve body from moving downwards, but also can remind workers when a gas cylinder is cut off, so that the workers can deal with and process in time, and the safety is good.
In order to achieve the purpose, the invention adopts the following technical scheme:
a poppet valve with a gas-break protection device comprises a valve shell and a mounting plate, wherein the mounting plate is positioned at the upper end of the valve shell and is abutted against the valve shell, the mounting plate is connected with the valve shell through four connecting mechanisms, four support columns are fixedly connected at the upper end of the mounting plate, a top plate is fixedly connected at the upper ends of the four support columns, a cylinder is mounted on the top plate, a telescopic rod is mounted at the output end of the cylinder, the telescopic rod sequentially penetrates through the top plate, the mounting plate and the valve shell, a valve body is fixedly connected at one end of the telescopic rod away from the cylinder, two limiting plates are fixedly connected at the upper end of the mounting plate, the upper ends of the two limiting plates are fixedly connected with the bottom of the top plate, limiting grooves are formed in the opposite surfaces of the two limiting plates, a damping plate, the utility model discloses a safety device for a vehicle, including damping plate and mounting panel, first spring of fixedly connected with between damping plate and the mounting panel, first spring housing is in the outside of telescopic link and rather than offsetting, alarm and time relay are installed to the upper end of roof, two all be equipped with alarm mechanism and stop gear on the limiting plate, alarm mechanism is connected with the alarm electricity, stop gear is connected with the time relay electricity.
Preferably, coupling mechanism is including fixing the installation piece in the valve case upper end, the mounting panel runs through from top to bottom and is equipped with the mounting groove, the installation piece runs through the mounting groove setting, just fixedly connected with rectangle frame on the mounting panel, run through in the rectangle frame be equipped with rather than sliding connection's rectangle pole, transversely run through on the installation piece be equipped with logical groove, the rectangle pole runs through logical groove setting, the other end fixedly connected with of rectangle pole draws the piece, draw fixedly connected with second spring between piece and the rectangle frame, the second spring housing is in the outside of rectangle pole and not offset rather than the outer wall.
Preferably, the pulling block is connected with the rectangular rod through welding, and the outer wall of the pulling block is provided with anti-slip threads.
Preferably, the alarm mechanism comprises a first fixing block penetrating through the limiting plate and communicated with the limiting groove, a first sliding groove opposite to the limiting groove is formed in the first fixing block, a first electric contact piece is fixedly connected to the inner wall of the first sliding groove, a trapezoidal block is connected in the first sliding groove in a sliding mode, a second electric contact piece is fixedly connected to one side, opposite to the first electric contact piece, of the trapezoidal block, the first electric contact piece is arranged opposite to the second electric contact piece, a third spring is fixedly connected between the trapezoidal block and the first sliding groove, and the third spring is sleeved outside the first electric contact piece and the second electric contact piece and does not abut against the first electric contact piece and the second electric contact piece.
Preferably, the upper end and the lower end of the two sides of the damping plate are both provided with inclined planes, and the inclined planes are matched with the trapezoidal blocks.
Preferably, stop gear is including running through the second fixed block that the limiting plate set up, the one side that the second fixed block is relative with the spacing groove is equipped with the second sliding tray, the inner wall fixedly connected with electro-magnet of second sliding tray, sliding connection has the fixture block in the second sliding tray, the one side that the fixture block is relative with the electro-magnet is equipped with the magnetic path, fixedly connected with fourth spring between fixture block and the second sliding tray, fourth spring housing is in the outside of electro-magnet and magnetic path.
Preferably, the magnetic poles of the faces of the magnetic block opposite to the electromagnet have the same polarity.
Preferably, the first electric contact and the second electric contact are electrically connected with the alarm and the time relay, and the electromagnet is electrically connected with the time relay.
Compared with the prior art, the invention has the beneficial effects that:
when the air cylinder is in gas failure, the telescopic rod and the valve body move downwards at the moment, the damping plate can be damped under the action of the first spring, so that the damping plate moves downwards slowly, when the inclined plane abuts against the trapezoidal block, the trapezoidal block drives the second electric contact piece to move towards the direction of the first electric contact piece, so that the first electric contact piece abuts against the second electric contact piece, the time relay and the alarm are powered on at the moment, the alarm does not work under the action of the time relay, the time when the damping plate passes through the trapezoidal block when the air cylinder normally works is longer than the time when the damping plate passes through the trapezoidal block when the air cylinder normally works due to the fact that the air cylinder is in gas failure, and the alarm works to give an alarm at the moment so as to remind workers;
meanwhile, the electromagnet is electrified, and because the magnetic poles of the magnetic block and the opposite side of the electromagnet have the same polarity, the magnetic block and the clamping block move, so that the clamping block slides out of the second sliding groove, the damping plate to be abutted can be supported and limited, the damping plate is not easy to move downwards, and the stability is sufficient.
In conclusion, the valve body is reasonable in structure, the valve body can be effectively prevented from moving downwards, and workers can be reminded when the air cylinder is in an air-off state, so that the workers can deal with and process in time, and safety is guaranteed well.
Drawings
FIG. 1 is a schematic structural diagram of a poppet valve with a gas cut-off protection device according to the present invention;
FIG. 2 is a schematic view of a poppet valve with a gas cut-off protection device according to the present invention at A;
FIG. 3 is a schematic structural diagram of a poppet valve with a gas cut-off protection device according to the present invention at B;
fig. 4 is a schematic structural diagram of a damping plate in a poppet valve with a gas-break protection device according to the present invention.
In the figure: 1 valve case, 2 mounting panels, 3 telescopic links, 4 valve bodies, 5 support columns, 6 roof, 7 time relay, 8 cylinders, 9 alarms, 10 limiting plates, 11 spacing grooves, 12 damping plates, 13 first springs, 14 trapezoidal blocks, 15 first electric contact pieces, 16 second electric contact pieces, 17 third springs, 18 second fixed blocks, 19 second sliding grooves, 20 electromagnets, 21 fourth springs, 22 magnetic blocks, 23 clamping blocks, 24 mounting grooves, 25 mounting blocks, 26 through grooves, 27 rectangular frames, 28 rectangular rods, 29 pulling blocks, 30 second springs, 31 inclined planes, 32 first fixed blocks, 33 first sliding grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-4, a poppet valve with protection device blows off, including valve case 1 and mounting panel 2, mounting panel 2 is located the upper end of valve case 1 and offsets with it, mounting panel 2 is connected with valve case 1 through four coupling mechanism, coupling mechanism is including fixing the installation piece 25 in valve case 1 upper end, the mounting panel 2 runs through from top to bottom and is equipped with mounting groove 24, installation piece 25 runs through the mounting groove 24 setting, and fixedly connected with rectangle frame 27 on the mounting panel 2, run through being equipped with in the rectangle frame 27 rather than sliding connection's rectangle pole 28, transversely run through being equipped with logical groove 26 on the installation piece 25, rectangle pole 28 runs through logical groove 26 setting, the other end fixedly connected with of rectangle pole 28 draws the piece 29, draw fixedly connected with second spring 30 between piece 29 and the rectangle frame 27, second spring 30 cover is in the outside of rectangle pole 28 and not offset with its outer wall.
Specifically, when separating mounting panel 2 and valve casing 1, the staff pulling draws piece 29, draws piece 29 to be connected with rectangular rod 28 through the welding, and draws the outer wall of piece 29 to be equipped with anti-skidding line, so make things convenient for the staff pulling to draw piece 29, draw piece 29 to remove and drive rectangular rod 28 and remove, rectangular rod 28 removes and can break away from logical groove 26, so installation piece 25 is no longer spacing, thereby can make installation piece 25 break away from mounting groove 24, so realize mounting panel 2 and valve casing 1's separation.
Four support columns 5 of upper end fixedly connected with of mounting panel 2, four support column 5's upper end fixedly connected with roof 6, install cylinder 8 on roof 6, telescopic link 3 is installed to the output of cylinder 8, and telescopic link 3 runs through roof 6, mounting panel 2 and valve case 1 setting in proper order, all runs through on roof 6, mounting panel 2 and the valve case 1 and is equipped with the cell body, then telescopic link 3 runs through the cell body setting.
The valve body 4 is fixedly connected to one end, away from the air cylinder 8, of the telescopic rod 3, the two limiting plates 10 are fixedly connected to the upper end of the mounting plate 2, the upper ends of the two limiting plates 10 are fixedly connected to the bottom of the top plate 6, limiting grooves 11 are formed in the opposite surfaces of the two limiting plates 10, damping plates 12 are connected to the two limiting grooves 11 in a sliding mode, the telescopic rod 3 penetrates through the damping plates 12 and is fixedly connected with the damping plates 12, inclined surfaces 31 are arranged at the upper end and the lower end of the two sides of each damping plate 12, and the inclined surfaces 31; the first spring 13 is fixedly connected between the damping plate 12 and the mounting plate 2, the first spring 13 is sleeved outside the telescopic rod 3 and does not abut against the telescopic rod, and the damping plate 12 can be supported through the first spring 13.
An alarm 9 and a time relay 7 are mounted at the upper end of the top plate 6, an alarm mechanism and a limiting mechanism are arranged on each of the two limiting plates 10, the alarm mechanism is electrically connected with the alarm 9, and the limiting mechanism is electrically connected with the time relay 7; the first electric contact piece 15 and the second electric contact piece 16 are electrically connected with the alarm 9 and the time relay 7, and the electromagnet 20 is electrically connected with the time relay 7.
The alarm mechanism comprises a first fixing block 32 which penetrates through the limiting plate 10 and is communicated with the limiting groove 11, a first sliding groove 33 opposite to the limiting groove 11 is arranged on the first fixing block 32, a first electric contact piece 15 is fixedly connected to the inner wall of the first sliding groove 33, a trapezoidal block 14 is slidably connected in the first sliding groove 33, a second electric contact piece 16 is fixedly connected to one side, opposite to the first electric contact piece 15, of the trapezoidal block 14, the first electric contact piece 15 is opposite to the second electric contact piece 16, a third spring 17 is fixedly connected between the trapezoidal block 14 and the first sliding groove 33, and the third spring 17 is sleeved outside the first electric contact piece 15 and the second electric contact piece 16 and does not abut against the first electric contact piece 15 and the second electric contact piece 16.
The limiting mechanism comprises a second fixing block 18 penetrating through the limiting plate 10, a second sliding groove 19 is formed in one surface, opposite to the limiting groove 11, of the second fixing block 18, an electromagnet 20 is fixedly connected to the inner wall of the second sliding groove 19, a clamping block 23 is connected in the second sliding groove 19 in a sliding mode, a magnetic block 22 is arranged on one surface, opposite to the electromagnet 20, of the clamping block 23, a fourth spring 21 is fixedly connected between the clamping block 23 and the second sliding groove 19, and the fourth spring 21 is sleeved outside the electromagnet 20 and the magnetic block 22; the magnetic pole of the magnetic block 22 opposite to the electromagnet 20 has the same polarity.
In the invention, when the air cylinder 8 is cut off, the telescopic rod 3 and the valve body 4 move downwards at the moment, the damping plate 12 can be damped under the action of the first spring 13, so that the damping plate 12 moves downwards slowly, when the inclined surface 31 abuts against the trapezoidal block 14, the trapezoidal block 14 drives the second electric contact piece 16 to move towards the direction of the first electric contact piece 15, so that the first electric contact piece 15 abuts against the second electric contact piece 16, the time relay 7 and the alarm 9 are powered on at the moment, under the action of the time relay 7, the alarm 9 does not work, because the air cylinder 8 is cut off, the time when the damping plate 12 passes over the trapezoidal block 14 when the air cylinder 8 works normally is longer than the time when the damping plate 12 passes over the trapezoidal block 14 when the air cylinder 8 works normally, and the alarm 9 works to give an alarm at the moment, to remind the staff;
meanwhile, the electromagnet 20 is electrified, and because the magnetic poles of the magnetic block 22 and the opposite side of the electromagnet 20 have the same polarity, the magnetic block 22 and the fixture block 23 move, so that the fixture block 23 slides out of the second sliding groove 19, the damping plate 12 to be abutted can be supported and limited, the damping plate is not easy to move downwards, and the stability is sufficient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The lifting valve with the gas cutoff protection device comprises a valve shell (1) and a mounting plate (2), and is characterized in that the mounting plate (2) is located at the upper end of the valve shell (1) and is abutted against the valve shell, the mounting plate (2) is connected with the valve shell (1) through four connecting mechanisms, four supporting columns (5) and four supporting columns (5) are fixedly connected at the upper end of each supporting column (5), a top plate (6) is fixedly connected at the upper end of each supporting column (5), a cylinder (8) is installed on each top plate (6), a telescopic rod (3) is installed at the output end of each cylinder (8), the telescopic rod (3) sequentially penetrates through the top plate (6), the mounting plate (2) and the valve shell (1) and is arranged, a valve body (4) is fixedly connected at one end, far away from the cylinder (8), of each telescopic rod (3), the upper ends of the two limiting plates (10) are fixedly connected with the bottom of the top plate (6), one side, opposite to the two limiting plates (10), of each limiting plate is provided with a limiting groove (11), the two limiting grooves (11) are connected with a damping plate (12) in a sliding mode, the telescopic rod (3) penetrates through the damping plate (12) and is fixedly connected with the damping plate, a first spring (13) is fixedly connected between the damping plate (12) and the mounting plate (2), the first spring (13) is sleeved outside the telescopic rod (3) and does not abut against the telescopic rod, an alarm (9) and a time relay (7) are mounted at the upper end of the top plate (6), an alarm mechanism and a limiting mechanism are arranged on each limiting plate (10), the alarm mechanism is electrically connected with the alarm (9), and the limiting mechanism is electrically connected with the time relay (7);
the connecting mechanism comprises an installation block (25) fixed to the upper end of the valve shell (1), an installation groove (24) is formed in the installation plate (2) in a vertical penetrating mode, the installation block (25) penetrates through the installation groove (24) and is arranged, a rectangular frame (27) is fixedly connected to the installation plate (2), a rectangular rod (28) is arranged in the rectangular frame (27) in a penetrating mode and is connected with the rectangular rod in a sliding mode, a through groove (26) is formed in the installation block (25) in a transverse penetrating mode, the rectangular rod (28) penetrates through the through groove (26) and is arranged, the other end of the rectangular rod (28) is fixedly connected with a pull block (29), a second spring (30) is fixedly connected between the pull block (29) and the rectangular frame (27), and the second spring (30) is sleeved outside the rectangular rod (28) and does not abut against.
2. A poppet valve with a gas-break protection according to claim 1, characterized in that the pull block (29) is connected to the rectangular rod (28) by welding and the outer wall of the pull block (29) is provided with anti-slip threads.
3. A poppet valve with a gas shut-off protection device as claimed in claim 1, the alarm mechanism comprises a first fixing block (32) which penetrates through the limiting plate (10) and is communicated with the limiting groove (11), a first sliding groove (33) opposite to the limiting groove (11) is arranged on the first fixing block (32), the inner wall of the first sliding groove (33) is fixedly connected with a first electric contact piece (15), a trapezoidal block (14) is connected in the first sliding groove (33) in a sliding way, a second electric contact piece (16) is fixedly connected on one surface of the trapezoidal block (14) opposite to the first electric contact piece (15), the first electric contact piece (15) and the second electric contact piece (16) are arranged oppositely, and a third spring (17) is fixedly connected between the trapezoidal block (14) and the first sliding groove (33), the third spring (17) is sleeved outside the first electric contact piece (15) and the second electric contact piece (16) and does not abut against the first electric contact piece and the second electric contact piece.
4. A poppet valve with a gas-break protection device according to claim 3, characterized in that the damping plate (12) is provided with inclined planes (31) at the upper and lower ends of both sides, and the inclined planes (31) are matched with the trapezoidal blocks (14).
5. The poppet valve with the gas-break protection device of claim 4, characterized in that, stop gear includes the second fixed block (18) that runs through limiting plate (10) and set up, the second fixed block (18) is equipped with second sliding tray (19) with the relative one side of spacing groove (11), the inner wall fixedly connected with electro-magnet (20) of second sliding tray (19), sliding connection has fixture block (23) in second sliding tray (19), the one side that fixture block (23) and electro-magnet (20) are relative is equipped with magnetic path (22), fixedly connected with fourth spring (21) between fixture block (23) and second sliding tray (19), fourth spring (21) cover is in the outside of electro-magnet (20) and magnetic path (22).
6. A poppet valve with a gas-break protection device according to claim 5, characterized in that the magnetic pole of the face of the magnet (22) opposite to the electromagnet (20) has the same polarity.
7. A poppet valve with a gas-break protection according to claim 6, characterized in that the first electric contact (15) and the second electric contact (16) are electrically connected to the alarm (9) and the time relay (7), and the electromagnet (20) is electrically connected to the time relay (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032618.6A CN112361050B (en) | 2021-01-12 | 2021-01-12 | Poppet valve with air-break protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032618.6A CN112361050B (en) | 2021-01-12 | 2021-01-12 | Poppet valve with air-break protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112361050A CN112361050A (en) | 2021-02-12 |
| CN112361050B true CN112361050B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110032618.6A Active CN112361050B (en) | 2021-01-12 | 2021-01-12 | Poppet valve with air-break protection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112361050B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596881B (en) * | 2022-12-15 | 2023-03-28 | 博鼎精工智能科技(山东)有限公司 | Poppet valve with air-break protection device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3228731A (en) * | 1962-04-23 | 1966-01-11 | Bendix Westinghouse Automotive | Variable pressure ratio valve |
| CN102418807A (en) * | 2011-09-28 | 2012-04-18 | 科林环保装备股份有限公司 | Poppet valve with air cutting-off protection device |
| CN104019278B (en) * | 2014-05-23 | 2016-08-31 | 武汉船用机械有限责任公司 | The on-line measuring device of a kind of emergency shutdown system valve and emergency shutdown system |
| CN107035874B (en) * | 2017-05-31 | 2019-02-22 | 朱书红 | A kind of sealing valve |
| CN211976055U (en) * | 2020-04-28 | 2020-11-20 | 安徽一本环保科技有限公司 | Burn burning furnace poppet valve with protection mechanism breaks gas |
| CN211975894U (en) * | 2020-10-10 | 2020-11-20 | 上海睿筑环境科技有限公司 | Poppet valve with air-break protection device |
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2021
- 2021-01-12 CN CN202110032618.6A patent/CN112361050B/en active Active
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| CN112361050A (en) | 2021-02-12 |
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Effective date of registration: 20221220 Address after: No. 111, Caoli Road, Fengjing Town, Jinshan District, Shanghai, 201500 Patentee after: Shanghai Yaao Valve Co.,Ltd. Address before: No.6888, Jiankang East Street, Yongchun community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee before: Shandong daoyongsheng Information Technology Co.,Ltd. |