CN211924930U - Special disc valve for gas stove - Google Patents
Special disc valve for gas stove Download PDFInfo
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- CN211924930U CN211924930U CN202020279171.3U CN202020279171U CN211924930U CN 211924930 U CN211924930 U CN 211924930U CN 202020279171 U CN202020279171 U CN 202020279171U CN 211924930 U CN211924930 U CN 211924930U
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- disc valve
- valve plate
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- rocker arm
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Abstract
The utility model discloses a special disc valve for a gas stove, which comprises a valve seat, a shell and a top valve, wherein through holes for enabling coal to fall are arranged in the valve seat, the shell and the top valve in a penetrating way; the disc valve plate is connected and provided with a driving mechanism which is used for driving the linkage structure to move so as to realize the overturning action of the disc valve plate and further control whether the disc valve is opened, and the controlled end of the driving mechanism is connected with a DCS (distributed control system) controller which is used for controlling the overall action of the disc valve. The utility model discloses reduced the holistic occupation space of device widely, mounting height is lower, and is lower to the factory building altitude requirement, has saved the high space, and the design is simple compact, and is sealed effectual.
Description
Technical Field
The utility model relates to a sealing valve technical field, more specifically relates to a special disc valve of gas stove.
Background
The automatic coke feeder for gas producer is a common equipment for producing chemical fertilizer, and its function is to automatically feed coke (coking coal) to gas producer. The coke feeder is used on the gas furnace, which is beneficial to stabilizing the furnace condition, improving the gas forming amount of a single furnace and reducing the labor intensity of workers.
The distributing device in the existing coke feeder of the gas furnace is generally provided with a seat plate valve on the side wall in a connecting way, and then is provided with a gate valve in a communicating way on the seat plate valve so as to fall the coal material. However, the volume of the seat plate valve is usually slightly smaller than that of the distributor, and the occupied space is larger, so that the whole occupied space of the equipment is larger, and the requirement on the height of a plant is larger. And the discharge hole path from the gate valve to the seat plate valve is longer, which affects the blanking speed of the coal material and is easy to cause material blockage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a special disc valve for a gas furnace is provided to solve the problem that the whole occupation space that the seat plate valve occupied in the current gas furnace coke feeder is great and leads to equipment is great, influence the unloading speed of coal charge, the easy problem of card material phenomenon appears, with practice thrift equipment occupation space, avoid appearing card material phenomenon.
In order to solve the technical problem, the utility model adopts the following technical proposal.
The special disc valve for the gas furnace comprises a valve seat, a shell integrally fixed on the top end face of the valve seat and a top valve detachably arranged at the top end of the shell, wherein through holes for enabling coal materials to fall are formed in the valve seat, the shell and the top valve in a penetrating mode; the disc valve plate is connected and provided with a driving mechanism which is used for driving the linkage structure to move so as to realize the overturning action of the disc valve plate and further control whether the disc valve is opened, and the controlled end of the driving mechanism is connected with a DCS (distributed control system) controller which is used for controlling the overall action of the disc valve.
According to the technical scheme, the linkage structure comprises a disc valve plate pin shaft vertically and fixedly arranged in the middle of the disc valve plate, a large rocker arm vertically fixed with the disc valve plate pin shaft and positioned below the disc valve plate, a large shaft vertically fixed with the large rocker arm and arranged on the shell through a bearing, and a small rocker arm vertically fixed with the large shaft and parallel to the large rocker arm, wherein one end of the small rocker arm which is not fixed with the large shaft is hinged with a hinge base.
According to the technical scheme, the right end of the large rocker arm is fixedly nested on the disc valve plate pin shaft through a first connecting sleeve, and the left end of the large rocker arm is fixedly nested on the large shaft through a second connecting sleeve.
According to the technical scheme, the left end of the small rocker arm is fixed with one end, extending out of the shell, of the large shaft through the hoop, and the right end of the small rocker arm is hinged with the hinge base through the connecting pin.
According to the technical scheme, the driving mechanism comprises a hydraulic oil cylinder with a piston rod end fixed with the hinged base, an electromagnetic valve is arranged on an oil conveying pipeline of the hydraulic oil cylinder, and a controlled end of the electromagnetic valve is connected to an output end of the DCS controller.
Further optimize technical scheme, the through-hole is including seting up the bell mouth in the top valve and seting up in disk seat and casing and the internal diameter is greater than the bottom through-hole of the biggest internal diameter of bell mouth, and the disc valve plate sets up in the bottom through-hole.
Further optimize technical scheme, be provided with between overhead valve and the disc valve plate and be used for making the disc valve plate have sealed effect and can be convenient for the disc valve plate to overturn and can reduce the transition seal structure of disc valve plate wearing and tearing.
Further optimize technical scheme, transition seal structure sets up to circular-arc sealed protruding and fixed the setting on the disc valve plate and with the sealed closing plate that the protruding contacts including setting up in disc valve plate bottom and lateral wall.
The technical scheme is further optimized, the sealing protrusion is a hard alloy stainless steel sealing protrusion, and the sealing plate is a hard alloy stainless steel sealing plate.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model discloses a sealed mode that sets up disc valve plate, disc valve plate and set up actuating mechanism through linkage structure connection in the casing has reduced the holistic occupation space of device widely, and the mounting height is lower, and is lower to the high requirement of factory building, has saved high space, and the design is simple compact, and is sealed effectual.
The utility model discloses a drive mechanism drives the linkage structure motion, and then drives the mode of disc valve plate action, and is little to the wearing and tearing of disc valve plate, has reduced the maintenance number of times, has shortened maintenance duration, and the whole maintenance cycle of equipment increases, and is low to the requirement of coal type, is applicable to multiple stove type.
The utility model discloses the transition seal structure who sets up between overhead valve and disc valve plate makes the disc valve plate have sealed effect to the disc valve plate that can be convenient for overturns, has guaranteed the difficult emergence wearing and tearing of disc valve plate effectively.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a partial cross-sectional view of a top view of the present invention;
fig. 3 is a schematic structural diagram of the present invention during actual installation.
Wherein: 1. valve seat, 2, casing, 3, little rocking arm, 4, big axle, 5, big rocking arm, 6, articulated seat, 7, clamp, 8, sealed arch, 9, bearing, 10, first adapter sleeve, 11, second adapter sleeve, 12, disc valve plate round pin axle, 13, disc valve plate, 14, through-hole, 141, bell mouth, 142, bottom through-hole, 15, top valve, 16, closing plate, 17, push-pull valve, 18, distributing device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A special disc valve for a gas stove is shown in figures 1 to 3 and comprises a valve seat 1, a shell 2, a top valve 15, a disc valve plate 13, a linkage structure, a driving mechanism and a DCS controller.
The housing 2 is integrally fixed to the top end surface of the valve seat 1. The top valve 15 is detachably arranged at the top end of the shell 2, and the top valve 15 and the shell 2 are positioned through screws.
Through holes 14 are formed through the valve seat 1, the shell 2 and the top valve 15 and used for enabling coal to fall. The through hole 14 includes a tapered hole 141 and a bottom through hole 142. A tapered bore 141 opens into the top valve 15. The bottom through hole 142 is opened in the valve seat 1 and the housing 2, and the inner diameter is larger than the maximum inner diameter of the tapered hole 141, and the disc valve plate 13 is disposed in the bottom through hole 142.
The valve seat 1 and the disc valve plate 13 are made of steel casting materials, and corrosion-resistant and scouring-resistant materials are added into the steel casting materials.
The disc valve plate 13 is hermetically arranged in the shell 2 and used for controlling whether the through hole 14 is opened or not, the disc valve plate 13 is connected with a driving mechanism through a linkage structure, and the driving mechanism is used for driving the linkage structure to move so as to realize the overturning action of the disc valve plate 13 and further control whether the disc valve is opened or not. The controlled end of the driving mechanism is connected to the output end of the DCS controller, and the DCS controller is used for controlling the whole action of the disc valve.
The linkage structure comprises a disc valve plate pin shaft 12, a large rocker arm 5, a large shaft 4 and a small rocker arm 3. The disc valve plate pin shaft 12 is vertically and fixedly arranged in the middle of the disc valve plate 13. The large rocker arm 5 is vertically fixed with a disc valve plate pin shaft 12 and is positioned below a disc valve plate 13. The large shaft 4 is vertically fixed with the large rocker arm 5 and is arranged on the housing 2 through a bearing 9. The cost is reduced in the form of a single bearing, and leakage points are reduced, so that the bearing is convenient to maintain. The small rocker arm 3 is fixed perpendicularly to the large shaft 4 and parallel to the large rocker arm 5. One end of the small rocker arm 3 which is not fixed with the large shaft 4 is hinged with a hinge seat 6.
The disc valve plate pin shaft 12 is made of high-carbon stainless steel, and can meet the requirements of corrosion resistance, scouring resistance and mechanical strength.
The right end of the large rocker arm 5 is fixedly nested on the disc valve plate pin shaft 12 through a first connecting sleeve 10, and the left end of the large rocker arm 5 is fixedly nested on the large shaft 4 through a second connecting sleeve 11.
The left end of the small rocker arm 3 is fixed with one end of the large shaft 4 extending out of the shell 2 through a hoop 7, and the right end of the small rocker arm 3 is hinged with the hinge base 6 through a connecting pin.
The driving mechanism comprises a hydraulic oil cylinder with a piston rod end fixed with the hinge seat 6, an electromagnetic valve is arranged on an oil pipeline of the hydraulic oil cylinder, and the controlled end of the electromagnetic valve is connected with the output end of the DCS controller.
Be provided with transition seal structure between top valve 15 and disc valve plate 13, transition seal structure is used for making disc valve plate 13 have sealed effect to can be convenient for disc valve plate 13 and overturn, and can reduce disc valve plate 13 wearing and tearing.
The transitional sealing structure comprises a sealing bulge 8 and a sealing plate 16. Sealed protruding 8 sets up in 13 bottoms of disc valve plate, and the lateral wall sets up to circular-arc, and sealed protruding 8 is the sealed arch of carbide stainless steel, through the finish machining, makes its sealed effect better, and corrosion-resistant, the resistance to scouring performance is stronger. The sealing plate 16 is fixedly arranged on the disc valve plate 13 and is contacted with the sealing bulge 8. The sealing plate 16 is a hard alloy stainless steel sealing plate, and is fine machined, so that the sealing effect is better, and the corrosion resistance and the scouring resistance are stronger.
The sealing bulge 8 and the sealing plate 16 are in a linear sealing mode, and the sealing effect is good.
The utility model discloses when using, at first install this device in the feed inlet department of distributing device, install the push-pull valve in the top of bell mouth 141 again, combine figure 3 to show.
Firstly, the disk valve is opened, and the gate valve 17 is opened to feed coal into the distributor 18 after 3 seconds. (the coal feeding amount is determined by controlling the opening time of the gate valve 17 through the DCS controller)
Then, the gate valve 17 was closed, and the disk valve was closed after 3 seconds. Coal is first stored in the coal holding bucket of the distributor 18.
And finally, opening the distributor 18 to feed the coal into the hearth of the gas furnace after the disk valve is closed for 5 seconds.
The working principle of the utility model is as follows.
When the disc valve plate 13 needs to be opened for blanking, the DCS controller controls the electromagnetic valve to be powered on, the piston rod of the hydraulic oil cylinder is controlled to extend, the piston rod of the hydraulic oil cylinder pushes the small rocker arm 3 hinged with the hydraulic oil cylinder to rotate, and then the large shaft 4 is driven to rotate, so that the large shaft 4 drives the large rocker arm 5 fixedly nested with the large shaft to rotate, the large rocker arm 5 rotates to drive the disc valve plate pin shaft 12 fixedly nested with the large shaft and the disc valve plate 13 fixed with the disc valve plate pin shaft 12 to rotate, and the disc valve plate 13 is opened.
Similarly, when the disc valve plate 13 needs to be closed, the DCS controller controls the electromagnetic valve to be powered off.
Claims (9)
1. The special disk valve for the gas stove is characterized in that: the coal material dropping valve comprises a valve seat (1), a shell (2) integrally fixed on the top end face of the valve seat (1) and a top valve (15) detachably arranged at the top end of the shell (2), wherein a through hole (14) for enabling coal material to drop is formed in the valve seat (1), the shell (2) and the top valve (15) in a penetrating mode; the disc valve plate (13) used for controlling whether the through hole (14) is opened or not is arranged in the shell (2) in a sealing mode, the disc valve plate (13) is connected and provided with a driving mechanism used for driving the linkage structure to move so as to realize the overturning action of the disc valve plate (13) and further control whether the disc valve is opened or not through the linkage structure, and the controlled end of the driving mechanism is connected with a DCS (distributed control system) controller used for controlling the overall action of the disc valve.
2. The disc valve special for the gas stove according to claim 1, wherein: the linkage structure comprises a disc valve plate pin shaft (12) vertically and fixedly arranged in the middle of a disc valve plate (13), a large rocker arm (5) vertically fixed with the disc valve plate pin shaft (12) and positioned below the disc valve plate (13), a large shaft (4) vertically fixed with the large rocker arm (5) and arranged on the shell (2) through a bearing (9), and a small rocker arm (3) vertically fixed with the large shaft (4) and parallel to the large rocker arm (5), wherein one end of the small rocker arm (3) which is not fixed with the large shaft (4) is hinged with a hinge base (6).
3. The disc valve special for the gas stove according to claim 2, wherein: the right end of the large rocker arm (5) is fixedly nested on the disc valve plate pin shaft (12) through a first connecting sleeve (10), and the left end of the large rocker arm (5) is fixedly nested on the large shaft (4) through a second connecting sleeve (11).
4. The disc valve special for the gas stove according to claim 2, wherein: the left end of the small rocker arm (3) is fixed with one end of the large shaft (4) extending out of the shell (2) through a hoop (7), and the right end of the small rocker arm (3) is hinged with the hinged seat (6) through a connecting pin.
5. The disc valve special for the gas stove according to claim 2, wherein: the driving mechanism comprises a hydraulic oil cylinder with a piston rod end fixed with a hinge seat (6), an electromagnetic valve is arranged on an oil conveying pipeline of the hydraulic oil cylinder, and a controlled end of the electromagnetic valve is connected to the output end of the DCS controller.
6. The disc valve special for the gas stove according to claim 1, wherein: the through hole (14) comprises a conical hole (141) formed in the top valve (15) and a bottom through hole (142) formed in the valve seat (1) and the shell (2) and having an inner diameter larger than the maximum inner diameter of the conical hole (141), and the disc valve plate (13) is arranged in the bottom through hole (142).
7. The disc valve special for the gas stove according to claim 6, wherein: a transition sealing structure used for enabling the disc valve plate (13) to have a sealing effect, facilitating the disc valve plate (13) to turn over and reducing the abrasion of the disc valve plate (13) is arranged between the top valve (15) and the disc valve plate (13).
8. The disc valve special for the gas stove according to claim 7, wherein: the transition sealing structure comprises a sealing bulge (8) which is arranged at the bottom end of the disc valve plate (13) and the outer side wall of which is arc-shaped, and a sealing plate (16) which is fixedly arranged on the disc valve plate (13) and is in contact with the sealing bulge (8).
9. The disc valve special for the gas stove according to claim 8, wherein: the sealing bulge (8) is a hard alloy stainless steel sealing bulge, and the sealing plate (16) is a hard alloy stainless steel sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279171.3U CN211924930U (en) | 2020-03-09 | 2020-03-09 | Special disc valve for gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279171.3U CN211924930U (en) | 2020-03-09 | 2020-03-09 | Special disc valve for gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924930U true CN211924930U (en) | 2020-11-13 |
Family
ID=73346490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020279171.3U Active CN211924930U (en) | 2020-03-09 | 2020-03-09 | Special disc valve for gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924930U (en) |
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2020
- 2020-03-09 CN CN202020279171.3U patent/CN211924930U/en active Active
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