CN209839161U - Descending off-line valve capable of automatically adjusting opening degree - Google Patents
Descending off-line valve capable of automatically adjusting opening degree Download PDFInfo
- Publication number
- CN209839161U CN209839161U CN201920376077.7U CN201920376077U CN209839161U CN 209839161 U CN209839161 U CN 209839161U CN 201920376077 U CN201920376077 U CN 201920376077U CN 209839161 U CN209839161 U CN 209839161U
- Authority
- CN
- China
- Prior art keywords
- valve plate
- valve
- conversion device
- energy conversion
- line
- 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
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to a descending type off-line valve capable of automatically adjusting the opening degree, which comprises an energy conversion device; an end cover of the energy conversion device is fixed on a top plate of the upper box body; a piston is arranged in a cavity of the energy conversion device; a valve plate main shaft lifting rod penetrates through the energy conversion device; the valve plate main shaft lifting rod is in threaded connection with the piston; one end of the valve plate main shaft lifting rod is fixedly connected with a valve plate adjusting driving device, and the other end of the valve plate main shaft lifting rod is connected with a valve plate adjusting shaft rod; the valve plate adjusting shaft rod is arranged in a valve plate main shaft lifting rod of the hollow cylinder; one end of the valve plate adjusting shaft lever is connected with the off-line valve plate; the diameter of the bottom surface of the off-line valve plate is larger than the diameter of a valve port formed in the bottom plate of the upper box body and is the same as the diameter of the valve port formed in the bottom plate of the upper box body; the power line of the linear displacement sensor is connected to the valve plate adjusting and driving device, and the output line of the linear displacement sensor is connected to the moving end of the energy conversion device. The utility model is widely applicable to smoke dust control in the fields of metallurgy, electric power, chemical industry, construction and the like.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field, in particular to but decline formula off-line valve of automatically regulated degree of opening.
Background
Because the pulse-jet cloth bag type dust collector has high dust removal efficiency which is more than or equal to 99.5 percent, compact structure, small occupied area, long service life of the filter bag, stable and reliable operation and capability of ensuring that the emission concentration is maintained in a lower state, the pulse-jet cloth bag type dust collector is widely adopted at present.
The off-line valve of the existing pulse blowing bag type dust collector has the following defects:
1. the off-line valves used by the existing multi-chamber pulse-jet bag-type dust collector cannot effectively automatically adjust the opening degree of the valves, and the pressure difference of each chamber of the dust collector cannot realize the automatic balance adjustment function, so that the resistance of each chamber of the multi-chamber pulse-jet bag-type dust collector is unbalanced, the full play of dust removal efficiency of each chamber of the pulse-jet bag-type dust collector cannot be ensured, and the ultralow emission requirement cannot be stably and reliably met.
2. In addition, most of off-line valves used in the prior multi-chamber pulse blowing bag-type dust collector are pneumatic lifting off-line valves. For example, publication No. CN204745946U entitled "mounting structure of cylinder and off-line valve of bag-type dust collector" discloses that since the off-line valve plate and the sealing ring on the connecting rod at the lower part of the cylinder are mounted at the lower side of the air outlet steel plate of the dust collector chamber, the assembly of the off-line valve plate and the sealing ring is lifted upwards by the connecting rod under the action of the cylinder for sealing. The valve plate is arranged at the front end of the air outlet of the valve, namely when the off-line valve is opened, the valve plate needs to be lifted upwards, once an air source for driving the valve is absent or an electromagnetic valve for driving the air source fails and the air source for keeping the valve plate in a lifting opening state is absent, the valve plate can fall down and close the off-line valve under the action of gravity, so that a dust remover box body can bear overhigh negative pressure, and the dust remover shell is flattened by suction and deformed to cause equipment damage.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model discloses a but decline formula off-line valve of automatically regulated degree of opening.
The utility model discloses the technical scheme who adopts as follows:
a descending off-line valve capable of automatically adjusting opening degree comprises an energy conversion device; an end cover of the energy conversion device is fixed on a top plate of the upper box body; a piston is arranged in a cavity of the energy conversion device; a valve plate main shaft lifting rod penetrates through the energy conversion device; the valve plate main shaft lifting rod is in threaded connection with the piston; one end of the valve plate main shaft lifting rod is fixedly connected with a valve plate adjusting driving device, and the other end of the valve plate main shaft lifting rod is connected with a valve plate adjusting shaft rod; the valve plate adjusting shaft rod is arranged in a valve plate main shaft lifting rod of the hollow cylinder; one end of the valve plate adjusting shaft lever is connected with the off-line valve plate; the diameter of the bottom surface of the off-line valve plate is larger than that of a valve port formed in the bottom plate of the upper box body; a cavity between the top plate of the upper box body and the bottom plate of the upper box body is a dust remover air purifying chamber; a dust-containing air chamber and an air outlet duct are arranged below the bottom plate of the upper box body; and a power line of the linear displacement sensor is connected to the valve plate adjusting and driving device, and an output line of the linear displacement sensor is connected to a moving end of the energy conversion device.
The method is further characterized in that: the energy conversion device is a driving cylinder or an oil cylinder and converts heat energy or hydraulic energy into mechanical energy.
The method is further characterized in that: one end of the valve plate main shaft lifting rod penetrates through an upper inlet hole of the energy conversion device, and the other end of the valve plate main shaft lifting rod penetrates through a lower inlet hole of the energy conversion device.
The method is further characterized in that: the upper inlet hole is an air inlet hole or an oil inlet hole; the lower inlet hole is an air outlet hole or an oil outlet hole.
The method is further characterized in that: the valve plate of the off-line valve is a cone.
The method is further characterized in that: the valve plate adjusting and driving device is driven by kinetic energy input of the valve plate adjusting and driving device.
The utility model has the advantages as follows:
1. an adjusting driving device capable of adjusting the opening degree of a valve is additionally arranged on an off-line valve of the pulse blowing bag type dust collector, so that the function of adjusting the opening degree of the off-line valve is added on the basis of realizing the opening and closing functions of the off-line valve.
2. The valve plate opening mode for starting the off-line valve is changed from a lifting opening mode to a descending opening mode, so that the off-line valve is effectively closed quickly and opened slowly, and the opening degree of the off-line valve can be adjusted.
3. The functions of quick closing and slow opening of the off-line valve are realized, and the opening degree of the off-line valve can be adjusted.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the off-line valve of the present invention in a fully open state.
Fig. 3 is a schematic view of the off-line valve of the present invention in a closed state.
In the figure: 1. an offline valve plate; 2. a valve port; 3. a valve plate adjusting shaft lever; 4. a valve plate spindle lift rod; 5. an energy conversion device; 6. a piston; 7. a linear displacement sensor; 8. a valve plate adjustment drive; 9. the valve plate adjusts the kinetic energy input of the drive unit; 10. an upper inlet hole; 11. a lower inlet hole; 12. a top plate of the upper box body; 13. a dust collector air purifying chamber; 14. an upper box body bottom plate; 15. a dust-containing gas chamber; 16. an air outlet duct.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
Fig. 1 is a schematic view of the present invention. As shown in fig. 1, a descent type off-line valve, which can automatically adjust the opening degree, includes a power conversion device 5. The energy conversion device 5 is a driving cylinder or oil cylinder and converts heat energy or hydraulic energy into mechanical energy.
The end cap of the energy conversion device 5 is fixed to the upper case top plate 12. A piston 6 is arranged in the cavity of the energy conversion device 5. The energy conversion device 5 is internally provided with a valve plate main shaft lifting rod 4 in a penetrating way. One end of the valve plate spindle lifting rod 4 passes through an upper inlet hole 10 of the energy conversion device 5, and the other end of the valve plate spindle lifting rod 4 passes through a lower inlet hole 11 of the energy conversion device 5. The upper inlet hole 10 is an air inlet hole or an oil inlet hole. The lower inlet hole 11 is an air outlet hole or an oil outlet hole. In this embodiment, the energy conversion device 5 is a driving cylinder, so the upper inlet hole 10 is an air inlet hole, and the lower inlet hole 11 is an air outlet hole.
The valve plate spindle lifting rod 4 is in threaded connection with the piston 6. One end of the valve plate main shaft lifting rod 4 is fixedly connected with a valve plate adjusting driving device 8, and the other end of the valve plate main shaft lifting rod 4 is connected with a valve plate adjusting shaft rod 3. The valve plate adjusting shaft 3 is mounted in a hollow cylindrical valve plate spindle lifting rod 4. One end of the valve plate adjusting shaft lever 3 is connected with the offline valve plate 1. Preferably, the off-line valve plate 1 is a cone, and the strength is higher than that of the existing flat plate type valve plate structure.
The diameter of the bottom surface of the valve plate 1 of the off-line valve is larger than that of the valve port 2 arranged on the bottom plate 14 of the upper box body. The cavity between the top plate 12 of the upper box body and the bottom plate 14 of the upper box body is a dust remover air purifying chamber 13. A dust-containing air chamber 15 and an air outlet duct 16 are arranged below the bottom plate 14 of the upper box body.
The power line of the linear displacement sensor 7 is connected to the valve plate adjusting and driving device 8, and the output line of the linear displacement sensor 7 is connected to the moving end of the energy conversion device 5. The valve plate actuating drive 8 is driven by a valve plate actuating drive kinetic energy input 9. The linear displacement sensor 7 monitors the linear mechanical displacement of the off-line valve plate 1, i.e. the linear displacement sensor 7 monitors the rising or falling of the off-line valve plate 1. In this embodiment, the linear displacement sensor 7 is a cylinder displacement sensor of model MPS-C, provides different stroke ranges, ensures high-precision stroke measurement by combining analog output, four programmable switch points built in the sensor, and IO-Link communication, and can be directly and quickly installed on the energy conversion device 5.
Fig. 2 is a schematic view of the off-line valve of the present invention in a fully open state. As shown in fig. 2, when the main valve plate lifting rod 4 descends to the lowest point, the valve plate adjusting and driving device 8 drives the valve plate adjusting shaft rod 3 to drive the off-line valve plate 1 to move up and down to adjust the valve opening state.
Fig. 3 is a schematic view of the off-line valve of the present invention in a closed state. As shown in fig. 3, when the valve plate main lifting rod 4 rises to the highest point, the valve plate adjusting and driving device 8 drives the valve plate adjusting shaft rod 3 to drive the offline valve plate 1 to descend to gradually open the offline valve.
Use energy conversion device 5 as the driving cylinder for the example, the utility model discloses an operation mode as follows:
the valve plate 1 is arranged in an air outlet duct 16 at the lower part of the valve port 2, the valve plate 1 is lifted upwards to close the off-line valve, and the valve plate 1 is lowered downwards to open the off-line valve. The upper portion of valve plate 1 is connected valve plate adjusting shaft 3, and valve plate adjusting shaft 3 sets up in valve plate owner promotes axostylus axostyle 4. The valve plate main lifting shaft 4 passes through an energy conversion device 5 which drives the lifting or lowering thereof. The two ends of the valve plate main lifting shaft lever 4 pass through an upper inlet hole 10 and a lower inlet hole 11 respectively. Compressed air enters the upper inlet hole 10, and compressed air exits the lower inlet hole 11. The piston 6 is forced to drive the valve plate main lifting shaft lever 4 to drive the valve plate adjusting shaft lever 3, the valve plate 1 and the valve plate adjusting and driving device 8 to ascend or descend.
The valve plate adjusting and driving device 8 is fixed on the upper portion of the valve plate main lifting shaft rod 4, the valve plate adjusting and driving device 8 drives the valve plate adjusting shaft rod 3 to drive the valve plate 1 to ascend or descend through kinetic energy input 9 of the valve plate adjusting and driving device, and the opening degree of an off-line valve is adjusted. The linear displacement sensor 7 monitors the amount of displacement of the rise or fall of the off-line valve plate 1.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (6)
1. The utility model provides a but decline formula off-line valve of automatically regulated opening degree which characterized in that: comprises an energy conversion device (5); an end cover of the energy conversion device (5) is fixed on a top plate (12) of the upper box body; a piston (6) is arranged in a cavity of the energy conversion device (5); a valve plate main shaft lifting rod (4) is installed in the energy conversion device (5) in a penetrating manner; the valve plate main shaft lifting rod (4) is in threaded connection with the piston (6); one end of the valve plate main shaft lifting rod (4) is fixedly connected with a valve plate adjusting driving device (8), and the other end of the valve plate main shaft lifting rod (4) is connected with a valve plate adjusting shaft lever (3); the valve plate adjusting shaft lever (3) is arranged in a valve plate main shaft lifting rod (4) of the hollow cylinder; one end of the valve plate adjusting shaft lever (3) is connected with the off-line valve plate (1); the diameter of the bottom surface of the off-line valve plate (1) is larger than that of a valve port (2) arranged on the upper box body bottom plate (14); a cavity between the top plate (12) of the upper box body and the bottom plate (14) of the upper box body is a dust remover air purifying chamber (13); a dust-containing air chamber (15) and an air outlet duct (16) are arranged below the upper box body bottom plate (14); and a power line of the linear displacement sensor (7) is connected to the valve plate adjusting and driving device (8), and an output line of the linear displacement sensor (7) is connected to a moving end of the energy conversion device (5).
2. The automatically adjustable opening drop off-line valve of claim 1 wherein: the energy conversion device (5) is a driving cylinder or an oil cylinder and converts heat energy or hydraulic energy into mechanical energy.
3. The automatically adjustable opening drop off-line valve of claim 1 wherein: one end of the valve plate main shaft lifting rod (4) penetrates through an upper inlet hole (10) of the energy conversion device (5), and the other end of the valve plate main shaft lifting rod (4) penetrates through a lower inlet hole (11) of the energy conversion device (5).
4. A drop off-line valve with automatically adjustable opening according to claim 3, wherein: the upper inlet hole (10) is an air inlet hole or an oil inlet hole; the lower inlet hole (11) is an air outlet hole or an oil outlet hole.
5. The automatically adjustable opening drop off-line valve of claim 1 wherein: the valve plate (1) of the off-line valve is a cone.
6. The automatically adjustable opening drop off-line valve of claim 1 wherein: the valve plate adjusting and driving device (8) is driven by kinetic energy input (9) of the valve plate adjusting and driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376077.7U CN209839161U (en) | 2019-03-22 | 2019-03-22 | Descending off-line valve capable of automatically adjusting opening degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376077.7U CN209839161U (en) | 2019-03-22 | 2019-03-22 | Descending off-line valve capable of automatically adjusting opening degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839161U true CN209839161U (en) | 2019-12-24 |
Family
ID=68907559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920376077.7U Active CN209839161U (en) | 2019-03-22 | 2019-03-22 | Descending off-line valve capable of automatically adjusting opening degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869490A (en) * | 2019-03-22 | 2019-06-11 | 无锡红旗除尘设备有限公司 | A kind of descending manner Off-line valve automatically adjusting opening degree |
-
2019
- 2019-03-22 CN CN201920376077.7U patent/CN209839161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869490A (en) * | 2019-03-22 | 2019-06-11 | 无锡红旗除尘设备有限公司 | A kind of descending manner Off-line valve automatically adjusting opening degree |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209839161U (en) | Descending off-line valve capable of automatically adjusting opening degree | |
| KR100578033B1 (en) | Apparatus for operating water gate | |
| CN201840954U (en) | Self-locking-type lift valve for pulse bag dust collector | |
| CN109869490A (en) | A kind of descending manner Off-line valve automatically adjusting opening degree | |
| CN111298534A (en) | Bag collector blowback ash removal device | |
| CN2484506Y (en) | Cooking-fume exhauster with lifting device | |
| CN202355961U (en) | Lift valve device for dust remover | |
| CN102489090B (en) | Lifting valve device for dust collector | |
| CN201087102Y (en) | Pneumatic elevator | |
| CN210980769U (en) | Vacuum smelting furnace convenient to open bell in location | |
| CN219452562U (en) | Multi-stage balance cylinder control device | |
| CN204185176U (en) | Single-acting hydraulic top | |
| CN205956082U (en) | High efficiency hydraulic ram | |
| CN209828487U (en) | Atmosphere back-blowing bag type dust collector with mechanical ash removal mechanism | |
| CN105905778B (en) | The application method of fast release device | |
| CN2542820Y (en) | Power slips | |
| CN217148472U (en) | Transfer device | |
| CN220415857U (en) | Single-proportion double-control mechanism | |
| CN212091335U (en) | Bag collector blowback ash removal device | |
| CN2650855Y (en) | By-pass flue gas zero leakage apparatus | |
| CN217842202U (en) | Buffering hydraulic cylinder | |
| CN214036340U (en) | Hydraulic cylinder with adjustable limiting function | |
| CN211362311U (en) | Sucker type manipulator | |
| CN216788811U (en) | Air blower air duct lifting device | |
| CN209651111U (en) | Garbage compression transfer station hydraulic variable flow control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |