CN201818816U - Pendulous ceramic gate valve - Google Patents
Pendulous ceramic gate valve Download PDFInfo
- Publication number
- CN201818816U CN201818816U CN2010205114627U CN201020511462U CN201818816U CN 201818816 U CN201818816 U CN 201818816U CN 2010205114627 U CN2010205114627 U CN 2010205114627U CN 201020511462 U CN201020511462 U CN 201020511462U CN 201818816 U CN201818816 U CN 201818816U
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- valve
- pendulum
- gate valve
- type ceramic
- ceramic gate
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Abstract
The technical scheme of the application provides a pendulous ceramic gate valve. The pendulous ceramic gate valve comprises a valve body, a gate segment body and a valve cap, wherein the gate segment body adopts a swinging opening and closing structure, namely, a mounting hole is formed in the wall of valve body, a swinging shaft is mounted in a matched manner, a swinging arm is perpendicularly fixed at one end of swinging shaft positioned in the inner chamber of the valve body, the other end of the swinging arm is fixedly connected with the gate segment body or hinged with the center of the bottom of the gate segment body, a swinging rod is perpendicularly fixed at one end of the swinging shaft positioned on the outer side of the valve body, at the same time, an air cylinder is fixed on the valve body or the valve cap, and the tail end of the piston rod of the air cylinder is hinged with that of the swinging rod.
Description
Technical field
The utility model relates to a kind of power plant or steel mill's electric power is carried the ceramic gate valve of pulverized fuel ash system, particularly relates to a kind of pendulum-type ceramic gate valve.
Background technique
It is a very important field that the strength of granule is carried.For example the heat power plant boiler flying dust is after capturing, and the method that generally adopts negative pressure or malleation strength to carry is delivered to grey storehouse.Strength is carried and is gone up the metal valve that uses, its valve flashboard and valve seat are steel structure, and because of the impact and the valve opening and closing motion friction of the media particle that is subjected to high-speed motion, sealing station will soon wear and tear and lose efficacy in conveying, therefore life of valve is very short, and waste and loss are serious.Existing gate valve is in opening-closing process, and conveyance conduit and valve pocket are communicated with, and causes valve pocket inside especially easily to be stopped up by the media particle deposition bottom, makes valve be difficult to close or be difficult to and closes fully, influences the normal switching of system and the reliability of operation.In addition, because of the wearing and tearing of dust granule, sealing surface easily leaks, to making these valves need often to change.The gate valve that chemical plant and natural-gas transfer pipeline use, because of the corrosive action of chemical substance, these valves are also often scrapped because of the sealing surface burn into leaks.Do sealing surface with stupalith, can improve the reliability and the working life of above-mentioned valve.
Summary of the invention
The purpose of this utility model is to overcome deficiency and the defective that prior art exists, and a kind of pendulum-type ceramic gate valve is provided.
The technical solution of the utility model is a kind of pendulum-type ceramic gate valve, comprise valve body, the flashboard body, valve gap, described flashboard body adopts the opening-closing structure that can swing, promptly on valve body wall, be provided with mounting hole and mate balance staff is installed, the end vertical fixing that this balance staff is positioned at body cavity has a swing arm, the other end of this swing arm is fixedlyed connected with the flashboard body, perhaps hinged with flashboard body bottom centre, the end vertical fixing that described balance staff is positioned at the valve body outside has a fork, is fixed with cylinder simultaneously on described valve body or valve gap, and the piston-rod end of this cylinder and described fork end are hinged.
In described swing arm, also be provided with the supporting structure that can be supported on body cavity and can be slidingly matched with the valve body madial wall.
Described supporting structure is by supporting sleeve, supporting plate, and hexagon socket head cap screw is connected with valve gap, and supporting plate and fork are slidingly matched as swinging guide rails.
One end of described swing arm is provided with the blind hole sleeve pipe and also is provided with inner sleeve or the outer sleeve that mates with this sleeve pipe at middle part, flashboard body lower end, and in two sleeve pipes spring is installed.
Described body cavity is an approximate cone structure wide at the top and narrow at the bottom.
The supporting surface of flashboard body is sphere or approximate spheric structure.
Between described valve gap and valve body, also be fixed with valve seat.
On flashboard body end face, be fixed with sealing plate.
Also be fixed with Stuffing box on the valve gap mounting hole, the Stuffing box middle part is provided with the balance staff mounting hole, and the valve gap upper surface is fixed in this Stuffing box lower end, the upper end is provided with filler chamber, is provided with Gland in this filler chamber upper end.
Between described balance staff and the valve gap mounting hole, between balance staff and Stuffing box mounting hole, axle sleeve is housed.
The utility model is applicable to that electric power conveying pulverized fuel ash system of power plant makes control valve usefulness, also is applicable to the conveying of solids such as steel mill's metallurgy, mine, cement industry, granule materials.
Pendulum-type ceramic wear-resisting gate valve adopts Y-TZP complex phase toughening ceramic to make the sealing friction pair, and wear resistance is strong, good airproof performance, and it is little to start load, long service life.Because valve pocket adopts cone-like structure, following grey smoothness should not be stopped up cavity, so this valve does not have the bite phenomenon.The flashboard supporting surface is a spheroidal structure, and flashboard produces from the change of team sealing surface is produced the grinding and polishing effect during valve opening and closing.Therefore improved sealing effect again.The cylinder valve rod should not wear and tear durable in use.The durability of valve derives from the design of its innovation and selects the high-toughness wear-resistant pottery for use.Valve cylinder carrying magnetic sensor or install additional, but display switch position near switch.
The utility model pendulum-type pottery gate valve is vertically installed, for the usefulness of standard-sized sheet, complete shut-down various kinds of equipment, pipeline.In view of the complexity of strength delivery of particulate material material system condition condition, thus normal the inspection, in case pinpoint the problems, in time handle, guarantee safe operation.
Description of drawings
Figure l is the utility model pendulum-type pottery gate valve cross-sectional view;
Fig. 2 is the plan structure schematic representation of Fig. 1.
Embodiment
Embodiment one: referring to Fig. 1, Fig. 2, number in the figure 1 is a valve body, 2 is supporting plate, 3 is hexagon socket head cap screw, and 4 is interior hexagonal awl end Cock screw, and 5 is flat key, 6 is spring, and 7 are swing arm, and 8 is spring seat, 9 is pad, and 10 is the flashboard body, and 11 is the flashboard sealing plate, 12 is valve seat, and 13 is valve gap, and 14 is supporting sleeve, 15 is axle sleeve, and 16 is the Gask-O-Seal in square cross section, and 17 is hexagon head bolt, 18 is Stuffing box, and 19 is filler, and 20 is hexagon head bolt (Full Thread FT), 21 is Gland, and 22 is balance staff, and 23 is flat key, 24 is fork, and 25 is Allen bolt, and 26 is the upper end import, 27 are lower end outlet, 28,29 are bearing pin, and 30 is forked (or Y shape) joint, 31 is piston rod, 32 is cylinder, and 33 is air cylinder base, and 34 is fixing bolt (hex head bolt).Embodiment is a kind of pendulum-type ceramic gate valve, is applicable to that electric power conveying pulverized fuel ash system of power plant makes control valve usefulness, also is applicable to the conveying of solids such as steel mill's metallurgy, mine, cement industry, granule materials.Comprise valve body 1, this body cavity is an approximate cone structure wide at the top and narrow at the bottom.Also be fixed with valve seat between valve gap 13 and the valve body, the supporting surface of flashboard body 10 is sphere or approximate spheric structure.
The flashboard body adopts the opening-closing structure that can swing, promptly on valve gap, be provided with mounting hole and mate balance staff 22 is installed, the end vertical fixing that this balance staff 22 is positioned at body cavity has a swing arm 7(to fix by flat key 5 and screw 4), the other end 7 of this swing arm 7 is hinged with flashboard body bottom centre, particularly, one end of described swing arm 7 is provided with the blind hole sleeve pipe and also is provided with inner sleeve or the outer sleeve (spring seat) that mates with this sleeve pipe at middle part, flashboard body lower end, and in two sleeve pipes spring is installed.
Described balance staff be positioned at the valve body outside an end vertical fixing one fork 24 is arranged, on described valve body or valve gap, be fixed with cylinder 32 simultaneously, the piston rod of this cylinder 31 is terminal terminal hinged with described fork 24 by a forked connecting rod 30.
In described swing arm 7, also be provided with the supporting structure that can be supported on body cavity and can be slidingly matched with the valve body madial wall.Described supporting structure is to be provided with through hole in swing arm, construction bolt 3 in the through hole, the bolt the other end nut support cover 14 that is threaded, and these nut support 14 covers are slidingly matched with the valve body madial wall.
On flashboard body end face, be fixed with sealing plate 11.
On the valve gap mounting hole, also be fixed with Stuffing box 18, the Stuffing box middle part is provided with the balance staff mounting hole, the balance staff mounting hole bore that valve gap upper surface, upper end are fixed in this Stuffing box lower end increases formation filler chamber, fills filler 19 and be provided with Gland 21 in the top in this filler chamber.
Between described balance staff 22 and the valve gap mounting hole, perhaps between balance staff and Stuffing box mounting hole, axle sleeve 15 is housed.
The pneumatic pendulum-type valve of present embodiment is that strength drives valve.Valve open when cylinder piston rod stretches out, pipeline is connected; Otherwise, then close pipeline operation medium.Cylinder operation pressure 0.4～0.8Mpa.
The characteristics of present embodiment are that flashboard and valve seat all adopt wear-resistant ceramic to make, and wear-resistant, high temperature resistant, anticorrosive, characteristics such as sizing are not arranged.The design of valve pocket cone structure, material should not stop up cavity by smoothness, the bite phenomenon can not occur in the valve running.The vertical installation, the dismounting maintenance is very convenient.The flashboard supporting surface is a spheroidal structure, and flashboard produces rotation during valve opening and closing, can produce the grinding and polishing effect to sealing surface.
Embodiment two: accompanying drawing is not drawn, and content and embodiment one are basic identical, and something in common does not repeat, and different is: adopt oil hydraulic cylinder to replace the driving mechanism of cylinder as the flashboard body.
Claims (10)
1. pendulum-type ceramic gate valve, comprise valve body, the flashboard body, valve gap is characterized in that: described flashboard body adopts the opening-closing structure that can swing, promptly on valve gap, be provided with mounting hole and mate balance staff is installed, the end vertical fixing that this balance staff is positioned at body cavity has a swing arm, and the other end of this swing arm is fixedlyed connected with the flashboard body, and the end vertical fixing that described balance staff is positioned at the valve gap outside has a fork, simultaneously be fixed with cylinder on valve gap, the piston-rod end of this cylinder and described fork end are hinged.
2. pendulum-type ceramic gate valve according to claim 1 is characterized in that also being provided with the supporting structure that can be supported on body cavity and can be slidingly matched with the valve body madial wall in described swing arm.
3. pendulum-type ceramic gate valve according to claim 2 is characterized in that: supporting sleeve, and supporting plate, hexagon socket head cap screw is connected with valve gap, and supporting plate and fork are slidingly matched as swinging guide rails.
4. pendulum-type ceramic gate valve according to claim 1 is characterized in that: an end of described swing arm is provided with the blind hole sleeve pipe and also is provided with inner sleeve or the outer sleeve that mates with this sleeve pipe at middle part, flashboard body lower end, and in two sleeve pipes spring is installed.
5. pendulum-type ceramic gate valve according to claim 1 is characterized in that: described body cavity is an approximate cone structure wide at the top and narrow at the bottom.
6. pendulum-type ceramic gate valve according to claim 1 is characterized in that: the supporting surface of flashboard body is sphere or approximate spheric structure.
7. pendulum-type ceramic gate valve according to claim 1 is characterized in that: also be fixed with valve seat between described valve gap and valve body.
8. pendulum-type ceramic gate valve according to claim 7 is characterized in that: be fixed with sealing plate on flashboard body end face.
9. pendulum-type ceramic gate valve according to claim 1, it is characterized in that: on the valve gap mounting hole, also be fixed with Stuffing box, the Stuffing box middle part is provided with the balance staff mounting hole, and the valve gap upper surface is fixed in this Stuffing box lower end, the upper end is provided with filler chamber, is provided with Gland in this filler chamber upper end.
10. pendulum-type ceramic gate valve according to claim 9 is characterized in that: between described balance staff and the valve gap mounting hole, be set with axle sleeve between balance staff and Stuffing box mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205114627U CN201818816U (en) | 2010-08-31 | 2010-08-31 | Pendulous ceramic gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205114627U CN201818816U (en) | 2010-08-31 | 2010-08-31 | Pendulous ceramic gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818816U true CN201818816U (en) | 2011-05-04 |
Family
ID=43916768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205114627U Expired - Fee Related CN201818816U (en) | 2010-08-31 | 2010-08-31 | Pendulous ceramic gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818816U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511736A (en) * | 2013-09-18 | 2014-01-15 | 浙江固特气动机械有限公司 | Disk valve capable of repairing sealing performance continuously and method thereof |
| CN104964052A (en) * | 2015-07-17 | 2015-10-07 | 宁波华成阀门有限公司 | Quick-opening gate valve |
| CN105090547A (en) * | 2015-08-21 | 2015-11-25 | 四川省科能工业设备制造有限公司 | Material conveying valve with valve deck provided with valve seat protective sleeve |
| CN108331930A (en) * | 2018-04-16 | 2018-07-27 | 四川省科能工业设备制造有限公司 | Mill valve rotating assembly and containing the component without body formula material transfer valve |
-
2010
- 2010-08-31 CN CN2010205114627U patent/CN201818816U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511736A (en) * | 2013-09-18 | 2014-01-15 | 浙江固特气动机械有限公司 | Disk valve capable of repairing sealing performance continuously and method thereof |
| CN104964052A (en) * | 2015-07-17 | 2015-10-07 | 宁波华成阀门有限公司 | Quick-opening gate valve |
| CN104964052B (en) * | 2015-07-17 | 2017-06-27 | 宁波华成阀门有限公司 | One kind opens a sluice gate valve soon |
| CN105090547A (en) * | 2015-08-21 | 2015-11-25 | 四川省科能工业设备制造有限公司 | Material conveying valve with valve deck provided with valve seat protective sleeve |
| CN108331930A (en) * | 2018-04-16 | 2018-07-27 | 四川省科能工业设备制造有限公司 | Mill valve rotating assembly and containing the component without body formula material transfer valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20140831 |
|
| EXPY | Termination of patent right or utility model |