CN211398723U - Pneumatic valve emergency system - Google Patents
Pneumatic valve emergency system Download PDFInfo
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- CN211398723U CN211398723U CN201922024093.2U CN201922024093U CN211398723U CN 211398723 U CN211398723 U CN 211398723U CN 201922024093 U CN201922024093 U CN 201922024093U CN 211398723 U CN211398723 U CN 211398723U
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Abstract
The utility model discloses a pneumatic valve emergency system, which relates to the technical field of valves and comprises a valve cylinder and a three-way solenoid valve, wherein two outlet ends of the three-way solenoid valve are both connected with a conveying pipeline, and the outlet ends of the two conveying pipelines are respectively connected with two air inlets of the valve cylinder; the inlet end of the three-way electromagnetic valve is also provided with two air inlet pipelines in parallel, and the outlet ends of the two air inlet pipelines are respectively connected on the two conveying pipelines in parallel. The utility model discloses enable cylinder valve system under the condition of power supply interrupt to guaranteed the continuous stability of polycrystalline silicon production, saved repair time, improved maintenance efficiency.
Description
Technical Field
The utility model relates to the technical field of valves, particularly, relate to a pneumatic valve emergency system.
Background
In the production process of a polysilicon factory, the method can be widely applied to regulating valves and cut-off valves. The valves are provided with manual actuating mechanisms at important positions, and in places where the manual actuating mechanisms are installed, the manual actuating mechanisms are prone to rusting due to the fact that the manual actuating mechanisms are often not operated, and the manual actuating mechanisms are blocked, so that the valves cannot be normally opened and closed in emergency, certain hidden dangers are brought to safe and stable production of the process, and unnecessary troubles are brought to daily maintenance work of people.
When the above situation occurs, a technician usually uses a hose to connect one end of the hose with an air source, and the other end of the hose is connected with an air inlet on the valve cylinder, so that the valve cylinder is forced to open or close by forcing the air into the valve cylinder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic valve emergency system makes cylinder valve system under the condition of power supply interruption to guaranteed the continuous stability of polycrystalline silicon production, saved repair time, improved maintenance efficiency.
For realizing the purpose of the utility model, the technical proposal adopted is that: a pneumatic valve emergency system comprises a valve cylinder and a three-way electromagnetic valve, wherein two outlet ends of the three-way electromagnetic valve are connected with conveying pipelines, and the outlet ends of the two conveying pipelines are respectively connected with two air inlets of the valve cylinder; the inlet end of the three-way electromagnetic valve is also provided with two air inlet pipelines in parallel, and the outlet ends of the two air inlet pipelines are respectively connected on the two conveying pipelines in parallel.
Furthermore, two all install the three-way valve on the pipeline, and the exit end of two admission lines connects respectively on two three-way valves.
Furthermore, two all be provided with valve evacuation pipe on the admission line, and all install the valve exhaust-valve on two valve evacuation pipes.
Furthermore, an air source pipeline is connected and arranged at the inlet end of the three-way electromagnetic valve, and an air source storage tank is connected in parallel on the air source pipeline.
Furthermore, the inlet end of the air source pipeline is also provided with a check valve and an air source ball valve.
Further, a barometer is further installed on the air source storage tank.
Further, a gas tank emptying pipe is further installed on the gas source storage tank, and a gas tank emptying valve is further installed on the gas tank emptying pipe.
Furthermore, a pressure reducing valve is also installed at the outlet end of the air source pipeline.
The utility model has the advantages that,
the inlet ends of the three-way electromagnetic valve are connected with the two air inlet pipelines in parallel, and the outlet ends of the two air inlet pipelines are connected on the two conveying pipelines in parallel respectively, so that when the three-way electromagnetic valve is powered off, the two air inlet pipelines can normally supply air to the two conveying pipelines, the valve cylinder can be normally opened and closed, and the normal operation of a production system is ensured; meanwhile, when the valve cylinder is blocked and dead, the valve cylinder can be assisted to be overhauled through the design, so that the overhauling time is saved, and the overhauling efficiency is improved.
Through parallelly connected air supply storage tank on the air supply pipeline, when making the air supply stop for the air supply pipeline air feed, the compressed air who stores in the air supply storage tank can continue opening and closing to the valve cylinder and carry out the air feed to can normal operating under the circumstances that the air supply stopped the air feed for guaranteeing the valve cylinder, guaranteed production system normal operating, and make the continuous stability of having guaranteed production.
Drawings
Fig. 1 is a flow chart of a pneumatic valve emergency system provided by the present invention.
Reference numbers and corresponding part names in the drawings:
1. the device comprises a valve cylinder, 2, a three-way electromagnetic valve, 3, a conveying pipeline, 4, an air inlet pipeline, 5, a three-way valve, 6, a valve emptying pipe, 7, a valve emptying valve, 8, an air source pipeline, 9, an air source storage tank, 10, a check valve, 11, an air source ball valve, 12, a barometer, 13, an air tank emptying pipe, 14, an air tank emptying valve, 15 and a pressure reducing valve.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
Fig. 1 shows a pneumatic valve emergency system provided by the present invention, which includes a duct 3, and the outlet ends of two delivery pipes 3 are respectively connected to two air inlets of a valve cylinder 1; the inlet end of the three-way electromagnetic valve 2 is also provided with two air inlet pipelines 4 in parallel, and the outlet ends of the two air inlet pipelines 4 are respectively connected on the two conveying pipelines 3 in parallel.
Two pipeline 3 all is used for sending into the compressed air through three solenoid valve 2 respectively in two air inlets of two valve cylinders 1, and the compressed air that one of them air inlet got into on the valve cylinder 1 is used for driving valve cylinder 1 to open, and the compressed air that another its import got into on the valve cylinder 1 is used for driving valve cylinder 1 to close, two pipeline 3 can not carry compressed air simultaneously promptly, when one among them in two pipeline 3 carries compressed air, then another pipeline 3 stops to carry compressed air to guarantee that valve cylinder 1 opens or closes.
The two air inlet pipelines 4 are connected in parallel at the inlet end of the three-way electromagnetic valve 2, so that compressed air can enter the three-way electromagnetic valve 2 and can also enter the two air inlet pipelines 4; through parallelly connected respectively on two pipeline 3 with the exit end of two admission line 4, when making tee bend solenoid valve 2 normally open under the outage, compressed air can directly enter into pipeline 3 through two admission line 4 on, thereby guarantee that compressed air can normally enter into in the valve cylinder 1 through the air inlet on the valve cylinder 1, make valve cylinder 1 keep normally opening or close, thereby guarantee production system normal operating, and simultaneously, appear blocking when valve cylinder 1, under the dead condition of card, also can assist valve cylinder 1 to overhaul through this kind of design, save maintenance time, improve maintenance efficiency.
Two all install three-way valve 5 on the pipeline 3, and the exit end of two admission lines 4 is connected respectively on two three-way valves 5. Three-way valve 5 fixed mounting is on pipeline 3, pipeline 3's exit end and three-way valve 5 fixed connection, make pipeline 3 and inlet duct 4's junction constitute three-way structure, not only make things convenient for inlet duct 4's connection, and can effective control compressed air's flow, make compressed air can not only enter into pipeline 3 through three solenoid valve 2 in, also can directly enter into pipeline 3 through inlet duct 4 in, thereby guarantee that three solenoid valve 2 is behind the outage, valve cylinder 1 can guarantee normally to open and close.
Valve emptying pipes 6 are arranged on the two air inlet pipelines 4, and valve emptying valves 7 are arranged on the two valve emptying pipes 6; the valve emptying pipe 6 is used for discharging redundant compressed air in the valve cylinder 1, so that the valve cylinder 1 can work normally. When one of the delivery pipes 3 or the compressed air entering the delivery pipe 3 through the air inlet pipe 4 enters the valve cylinder 1, the valve cylinder 1 is opened or closed at the moment, and the redundant compressed air in the valve cylinder 1 enters the other air inlet pipe 4 through the other delivery pipe 3 and is exhausted through the valve exhaust pipe 6 on the other air inlet pipe 4, so that the valve cylinder 1 can be normally opened or closed. The valve emptying valve 7 is a ball valve, and the valve emptying pipe 6 is opened and closed through the valve emptying valve 7 to be closed, so that the compressed air is effectively prevented from being directly discharged through the valve emptying pipe 6 when the compressed air is conveyed through the air inlet pipeline 4, and the conveying of the compressed air by the air inlet pipeline 4 is ensured.
An air source pipeline 8 is connected and arranged at the inlet end of the three-way electromagnetic valve 2, and an air source storage tank 9 is connected in parallel on the air source pipeline 8. The inlet end of the air source pipeline 8 is used for being connected with air supply equipment, so that compressed air provided by the air supply equipment can enter the air inlet pipeline 4 through the air source pipeline 8 or enter the conveying pipeline 3 through the three-way electromagnetic valve 2, and the valve cylinder 1 can be normally opened or closed. The air source storage tank 9 is used for storing compressed air, so that when the air supply equipment is interrupted or stops supplying air, the air source storage tank 9 can normally provide the compressed air for the air inlet pipeline 4 or the conveying pipeline 3 through the air source pipeline 8, thereby ensuring that the valve cylinder 1 can be normally opened or closed by supplying air through the air source storage tank 9 when the air supply equipment is interrupted or stops supplying air.
The inlet end of the gas source pipeline 8 is also provided with a check valve 10 and a gas source ball valve 11; the check valve 10 can effectively prevent the compressed air entering the air inlet pipeline 4 or directly entering the conveying pipeline 3 through the three-way electromagnetic valve 2 from generating counter flow, so that the pressure of the compressed air entering the air inlet pipeline 4 or directly entering the conveying pipeline 3 through the three-way electromagnetic valve 2 is ensured; the air supply ball valve 11 is used for controlling the opening and closing of the air supply pipeline 8. Through the cooperation of check valve 10 and air supply ball valve 11, avoid when air supply tank 9 supplies air to opening or closing of valve cylinder 1, compressed air that air supply tank 9 provided directly enters into air feeder through the entrance point of air supply pipeline 8 in, effectively prevent that compressed air in air supply tank 9 from directly being emptied in transportation process.
The gas source storage tank 9 is also provided with a barometer 12, and the barometer 12 is used for monitoring the pressure in the gas source storage tank 9, so that explosion caused by overhigh pressure in the gas source storage tank 9 is effectively prevented. A gas tank emptying pipe 13 is also arranged on the gas source storage tank 9, and a gas tank emptying valve 14 is also arranged on the gas tank emptying pipe 13; by installing the gas tank emptying pipe 13 on the gas source storage tank 9, when the pressure in the gas source storage tank 9 is too high, the gas tank emptying pipe 13 can effectively empty the gas source storage tank 9, so that the gas source storage tank 9 keeps a normal pressure value; the gas tank emptying valve 14 is a ball valve, the gas tank emptying valve 14 is used for controlling opening and closing of the gas tank emptying pipe 13, when the gas source storage tank 9 needs to be emptied, the gas tank emptying valve 14 is opened, the gas tank emptying pipe 13 is opened, and when the gas pressure in the gas source storage tank 9 is normal, the gas tank emptying valve 14 is closed, and the gas tank emptying pipe 13 is closed.
The exit end of air supply pipeline 8 still installs relief pressure valve 15, relief pressure valve 15 can effectively carry out the decompression to the compressed air that air supply pipeline 8 carried, when making compressed air enter into pipeline 3 or enter into inlet duct 4 through three solenoid valve 2, compressed air keeps steady to make opening and closing of valve cylinder 1 more steady.
When the three-way electromagnetic valve 2 is not powered off and the air supply equipment supplies air normally, the air source ball valve 11 is opened, compressed air generated by the air supply equipment passes through the air source pipeline 8 and enters one of the conveying pipelines 3 through the three-way electromagnetic valve 2, and the compressed air entering the pipeline enters the valve cylinder 1 to drive the valve cylinder 1 to be opened or closed, at the moment, redundant compressed air in the valve cylinder 1 enters the air inlet pipeline 4 connected with the conveying pipeline 3 through the other conveying pipeline 3 and is emptied through the valve emptying pipe 6 on the air inlet pipeline 4, and the valve emptying valve 7 on the valve emptying pipe 6 is opened at the moment.
When the three-way electromagnetic valve 2 is powered off and the air supply equipment supplies air normally, the air source ball valve 11 is opened, compressed air generated by the air supply equipment enters one of the air inlet pipelines 4 through the air source pipeline 8, and the compressed air entering the air inlet pipeline 4 enters the conveying pipeline 3 connected with the air inlet pipeline 4 and enters the valve cylinder 1 through the conveying pipeline 3, the valve cylinder 1 is driven to be opened or closed, at the moment, redundant compressed air in the valve cylinder 1 enters the air inlet pipeline 4 connected with the conveying pipeline 3 through the other conveying pipeline 3 and is emptied through the valve emptying pipe 6 on the air inlet pipeline 4, and the valve emptying valve 7 on the valve emptying pipe 6 is opened at the moment.
When the three-way electromagnetic valve 2 is not powered off and the air supply equipment interrupts air supply, the air source ball valve 11 is closed, the air source storage tank 9 conveys compressed air into the air source pipeline 8, the compressed air entering the air source pipeline 8 enters one of the conveying pipelines 3 through the three-way electromagnetic valve 2, the compressed air entering the pipeline enters the valve cylinder 1 to drive the valve cylinder 1 to be opened or closed, at the moment, redundant compressed air in the valve cylinder 1 enters the air inlet pipeline 4 connected with the conveying pipeline 3 through the other conveying pipeline 3 and is emptied through the valve emptying pipe 6 on the air inlet pipeline 4, and at the moment, the valve emptying valve 7 on the valve emptying pipe 6 is opened.
When the three-way electromagnetic valve 2 is powered off and the air supply equipment interrupts air supply, the air source ball valve 11 is closed, the air source storage tank 9 conveys compressed air into the air source pipeline 8, the compressed air entering the air source pipeline 8 enters one of the air inlet pipelines 4 through the air source pipeline 8, the compressed air entering the air inlet pipeline 4 enters the conveying pipeline 3 connected with the air inlet pipeline 4 and enters the valve cylinder 1 through the conveying pipeline 3, the valve cylinder 1 is driven to be opened or closed, at the moment, redundant compressed air in the valve cylinder 1 enters the air inlet pipeline 4 connected with the conveying pipeline 3 through the other conveying pipeline 3 and is emptied through the valve emptying pipe 6 on the air inlet pipeline 4, and at the moment, the valve emptying valve 7 on the valve emptying pipe 6 is opened.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A pneumatic valve emergency system is characterized by comprising a valve cylinder (1) and a three-way electromagnetic valve (2), wherein two outlet ends of the three-way electromagnetic valve (2) are connected with conveying pipelines (3), and the outlet ends of the two conveying pipelines (3) are respectively connected with two air inlets of the valve cylinder (1); the inlet end of the three-way electromagnetic valve (2) is also provided with two air inlet pipelines (4) in parallel, and the outlet ends of the two air inlet pipelines (4) are respectively connected on the two conveying pipelines (3) in parallel.
2. Pneumatic valve emergency system according to claim 1, characterized in that a three-way valve (5) is mounted on both of the delivery ducts (3) and the outlet ends of the two inlet ducts (4) are connected to the two three-way valves (5), respectively.
3. Pneumatic valve emergency system according to claim 1, characterized in that a valve emptying pipe (6) is provided on both of the inlet ducts (4) and a valve emptying valve (7) is mounted on both valve emptying pipes (6).
4. A pneumatic valve emergency system according to claim 1, 2 or 3, wherein an air source pipeline (8) is connected to the inlet end of the three-way solenoid valve (2), and an air source storage tank (9) is connected in parallel to the air source pipeline (8).
5. Pneumatic valve emergency system according to claim 4, characterized in that the inlet end of the air supply duct (8) is also fitted with a non-return valve (10) and an air supply ball valve (11).
6. Pneumatic valve emergency system according to claim 4, characterized in that a barometer (12) is also mounted on the source tank (9).
7. A pneumatically operated valve emergency system according to claim 4, wherein a tank evacuation line (13) is further mounted on the source tank (9) and a tank evacuation valve (14) is further mounted on the tank evacuation line (13).
8. Pneumatic valve emergency system according to claim 4, characterized in that the outlet end of the air supply duct (8) is also fitted with a pressure relief valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024093.2U CN211398723U (en) | 2019-11-21 | 2019-11-21 | Pneumatic valve emergency system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024093.2U CN211398723U (en) | 2019-11-21 | 2019-11-21 | Pneumatic valve emergency system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398723U true CN211398723U (en) | 2020-09-01 |
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ID=72221969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922024093.2U Active CN211398723U (en) | 2019-11-21 | 2019-11-21 | Pneumatic valve emergency system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398723U (en) |
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2019
- 2019-11-21 CN CN201922024093.2U patent/CN211398723U/en active Active
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