CN112049971B - Water hammer preventing air valve capable of being automatically cleaned and using method thereof - Google Patents
Water hammer preventing air valve capable of being automatically cleaned and using method thereof Download PDFInfo
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- CN112049971B CN112049971B CN202010952637.6A CN202010952637A CN112049971B CN 112049971 B CN112049971 B CN 112049971B CN 202010952637 A CN202010952637 A CN 202010952637A CN 112049971 B CN112049971 B CN 112049971B
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- cavity
- filter screen
- curved surface
- air valve
- seat
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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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
- F16K24/042—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float
- F16K24/044—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float the float being rigidly connected to the valve element, the assembly of float and valve element following a substantially translational movement when actuated, e.g. also for actuating a pilot valve
- F16K24/046—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float the float being rigidly connected to the valve element, the assembly of float and valve element following a substantially translational movement when actuated, e.g. also for actuating a pilot valve the assembly of float and valve element being a single spherical element
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention belongs to the technical field of valves of water pipelines, and particularly relates to a water hammer prevention air valve capable of being automatically cleaned and a using method thereof. The automatic-cleaning water hammer prevention air valve comprises a valve seat, wherein an exhaust seat is arranged above the valve seat, a valve cover is arranged above the exhaust seat, a cavity I penetrating through two ends is arranged in the valve seat, a cavity II penetrating through two ends is arranged in the exhaust seat, and the cavity I is communicated with the cavity II; the bottom of the cavity I is provided with a filter screen, a sliding rod which penetrates through the cavity I and extends into the cavity II is arranged in the cavity I, a main floating curved surface is sleeved on the sliding rod, a plurality of buoyancy blocks are arranged on the lower portion of the main floating curved surface, and sliding grooves are formed between every two adjacent buoyancy blocks; the sliding groove is internally provided with an auxiliary floating ball in a sliding manner, and the bottom of the auxiliary floating ball is connected with a filter screen cleaning rod corresponding to the meshes of the filter screen. The invention can realize the cleaning of the filter screen at any time, effectively avoid blockage and prolong the service life of the air valve.
Description
Technical Field
The invention belongs to the technical field of valves of water delivery pipelines, and particularly relates to a water hammer preventing air valve capable of being automatically cleaned and a using method thereof.
Background
In long distance raceway, the phenomenon of height fluctuation can appear according to the relief in the design of pipeline circuit, in order to guarantee security, the stability that the pipeline supplied water, we can install the water hammer air valve in the district that needs according to actual need usually, and the water hammer air valve can be according to the inside behavior of pipeline, and automatic exhausting is with breathing in, maintains the inside atmospheric pressure balance of pipeline.
In prior art, the function singleness of water hammer air valve to the operating mode district that some quality of water are complicated, the aquatic mixes leaf, pasture and water, all kinds of artificial floating garbage and blocks up the entry of water hammer air valve extremely easily, can not frequent take apart the air valve and clear up the filter screen in the reality. Therefore, an air valve with a cleaning function is urgently needed.
Disclosure of Invention
Aiming at the problems, the invention provides the water hammer prevention air valve capable of automatically cleaning, and the water hammer prevention air valve can realize the cleaning of the filter screen at any time, effectively avoid blockage and prolong the service life of the air valve.
The invention mainly adopts the following technical scheme: a waterproof hammer air valve capable of being automatically cleaned comprises a valve seat, wherein an exhaust seat is arranged above the valve seat, a valve cover is arranged above the exhaust seat, a cavity I penetrating through two ends is arranged in the valve seat, a cavity II penetrating through two ends is arranged in the exhaust seat, and the cavity I is communicated with the cavity II; the bottom of the cavity I is provided with a filter screen, a sliding rod which penetrates through the cavity I and extends into the cavity II is arranged in the cavity I, a main floating curved surface is sleeved on the sliding rod, a plurality of buoyancy blocks are arranged on the lower portion of the main floating curved surface, and sliding grooves are formed between every two adjacent buoyancy blocks; the sliding groove is internally provided with an auxiliary floating ball in a sliding manner, and the bottom of the auxiliary floating ball is connected with a filter screen cleaning rod corresponding to the meshes of the filter screen.
A sealing ring is arranged between the exhaust seat and the valve seat, and a sealing gasket is arranged between the exhaust seat and the main floating curved surface.
And a protective filter screen is arranged in the cavity II.
And the exhaust seat is provided with a ventilation inclined hole communicated with the cavity I.
The inner diameter of the lower part of the cavity I is smaller than that of the upper part of the cavity I, and the main floating curved surface is matched with the inner diameter of the lower part of the cavity I.
The outer diameter of the main floating curved surface is smaller than the inner diameter of the cavity II.
The inside of the sliding rod is provided with a cavity III, and a floating block sliding along the cavity III is arranged inside the sliding rod; the sliding rod is sequentially provided with an air vent, a micro-exhaust hole and a balance hole from top to bottom, and the air vent is communicated with the protective filter screen through a channel; and a stop block is fixedly arranged in the cavity III and is positioned above the micro exhaust hole.
The invention also provides a water hammer-proof exhaust method in the use process of the pipeline, the water hammer-proof air valve capable of being automatically cleaned is adopted, when the water hammer-proof air valve is used, the water hammer-proof air valve capable of being automatically cleaned is fixed on the pipeline through bolts, the filter screen is directly contacted with the conveying liquid, and the conveying liquid enters the air valve through the filter screen. The method comprises the following specific steps:
(1) the pipeline enters a water filling and air exhausting state from an initial state, the volume of gas in the fluid is large, no liquid exists in the whole air valve, the main floating curved surface and the buoyancy block are at the bottom due to gravity, the main floating curved surface is separated from the sealing gasket, and a large amount of gas is exhausted to the atmosphere from a gap between the main floating curved surface and the sealing gasket through the protective filter screen and the air-permeable inclined hole;
(2) along with the discharge of gas, when fluid enters the valve body through the filter screen, the main floating curved surface and the buoyancy block rise under the action of buoyancy, the main floating curved surface is sealed with the sealing gasket, and the water hammer prevention air valve is sealed;
(3) after the water hammer air valve is sealed, if only a small amount of gas exists in the fluid, the change of the water level is not large, at the moment, the main floating curved surface and the buoyancy block cannot be changed because the buoyancy is still larger than the gravity, but the floating block descends along with the change of the water level, the floating block descends, the micro exhaust hole is opened, and the redundant small amount of gas enters the protective filter screen through the micro exhaust hole, the vent hole and the channel and then is exhausted to the atmosphere.
According to the invention, as the liquid level rises and falls continuously, the auxiliary floating ball rises and falls continuously along with the liquid level, the filter screen cleaning rod connected with the auxiliary floating ball rises and falls along with the auxiliary floating ball, and the lower end of the filter screen cleaning rod can clean the holes of the filter screen continuously.
In conclusion, the automatic cleaning device is ingenious in structure, automatic cleaning of the filter screen is achieved along with the change of the water level in the valve, blockage is effectively avoided, and the service life of the air valve is prolonged.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the main floating curved surface and buoyancy block of the present invention;
FIG. 3 is a schematic view of the structure of the auxiliary floating ball and the filter screen cleaning rod of the present invention;
in the figure: 1. the device comprises an auxiliary floating ball, 2, a sealing gasket, 3, a stop block, 4, a valve seat, 5, an exhaust seat, 6, a protective filter screen, 7, a ventilation inclined hole, 8, a main floating curved surface, 9, a sealing ring, 10, a buoyancy block, 11, a floating block, 12, a balance hole, 13, a sliding rod, 14, a filter screen, 15, a valve cover, 16, a filter screen cleaning rod, 17, a micro exhaust hole, 19, cavities I and 20, cavities II and 21, cavities III and 22, an air vent, 23, a channel, 24, a guide column, 25 and a guide rail.
Detailed Description
A waterproof hammer air valve capable of being automatically cleaned comprises a valve seat 4, an exhaust seat 5 is arranged above the valve seat 4, a valve cover 15 is arranged above the exhaust seat 5, a cavity II20 penetrating through two ends is arranged in the valve seat 4, a cavity I19 penetrating through two ends is arranged in the exhaust seat 5, and the cavity I19 is communicated with the cavity II 20; a filter screen 14 is arranged at the bottom of the cavity II20, a sliding rod 13 which penetrates through the cavity II 8932 and extends into the cavity I19 is arranged in the cavity II20, a main floating curved surface 8 is sleeved on the sliding rod 13, a plurality of buoyancy blocks 10 are arranged at the lower part of the main floating curved surface 8, and sliding grooves are formed between the adjacent buoyancy blocks 10; the sliding groove is internally and slidably connected with an auxiliary floating ball 1, and the bottom of the auxiliary floating ball 1 is connected with a filter screen cleaning rod 16 corresponding to the meshes of the filter screen 14. The auxiliary floating ball 1 and the filter screen cleaning rod 16 are connected in a conventional mode. The sliding groove and the auxiliary floating ball 1 can adopt a conventional sliding connection mode, for example, a guide post 24 is arranged on the auxiliary floating ball 1, a guide rail 25 matched with the guide post 24 is arranged in the sliding groove, and the auxiliary floating ball moves up and down along the guide rail under the action of the guide post.
A sealing ring 9 is arranged between the exhaust seat 5 and the valve seat 4, and a sealing gasket 2 is arranged between the exhaust seat 5 and the main floating curved surface 8.
A protective filter screen 6 is arranged in the cavity I19.
The exhaust seat 1 is provided with a ventilation inclined hole 7 communicated with the cavity I19.
The cavity I19 has a lower inner diameter smaller than the upper inner diameter, and the main floating curved surface 8 is matched with the lower inner diameter of the cavity I19.
The outer diameter of the main floating curved surface 8 is smaller than the inner diameter of the cavity II 20.
The inside of the sliding rod 13 is provided with a cavity III21, and the inside of the sliding rod 13 is provided with a slider 11 sliding along the cavity III 21; the sliding rod 13 is sequentially provided with vent holes 22, micro exhaust holes 17 and balance holes 12 from top to bottom, and the vent holes 22 are communicated with the protective filter screen 6 through channels 23; a stop block 3 is fixedly arranged in the cavity III21, and the stop block 3 is positioned above the micro exhaust hole 17.
The waterproof hammer air valve capable of being automatically cleaned is adopted, and the method comprises the following specific steps:
(1) the pipeline enters a water filling and air exhausting state from an initial state, the volume of gas in the fluid is large, no liquid exists in the whole air valve, the main floating curved surface and the buoyancy block are at the bottom due to gravity, the main floating curved surface is separated from the sealing gasket, and a large amount of gas is exhausted to the atmosphere from a gap between the main floating curved surface and the sealing gasket through the protective filter screen and the air-permeable inclined hole;
(2) along with the discharge of gas, when fluid enters the valve body through the filter screen, the main floating curved surface and the buoyancy block rise under the action of buoyancy, the main floating curved surface is sealed with the sealing gasket, and the water hammer prevention air valve is sealed;
(3) after the water hammer air valve is sealed, if only a small amount of gas exists in the fluid, the change of the water level is not large, at the moment, the main floating curved surface and the buoyancy block cannot be changed because the buoyancy is still larger than the gravity, but the floating block descends along with the change of the water level, the floating block descends, the micro exhaust hole is opened, and the redundant small amount of gas enters the protective filter screen through the micro exhaust hole, the vent hole and the channel and then is exhausted to the atmosphere.
Claims (7)
1. The waterproof hammer air valve capable of being automatically cleaned comprises a valve seat (4), wherein an exhaust seat (5) is arranged above the valve seat (4), and a valve cover (15) is arranged above the exhaust seat (5), and is characterized in that a cavity II (20) penetrating through two ends is arranged in the valve seat (4), a cavity I (19) penetrating through two ends is arranged in the exhaust seat (5), and the cavity I (19) is communicated with the cavity II (20); a filter screen (14) is arranged at the bottom of the cavity II (20), a sliding rod (13) which penetrates through the cavity II (20) and extends into the cavity I (19) is arranged in the cavity II (20), a main floating curved surface (8) is sleeved on the sliding rod (13), a plurality of buoyancy blocks (10) are arranged at the lower part of the main floating curved surface (8), and a sliding groove is formed between every two adjacent buoyancy blocks (10); an auxiliary floating ball (1) is connected in the sliding groove in a sliding manner, and the bottom of the auxiliary floating ball (1) is connected with a filter screen cleaning rod (16) corresponding to the meshes of the filter screen (14);
a cavity III (21) is formed in the sliding rod (13), and a floating block (11) sliding along the cavity III (21) is arranged in the sliding rod (13); the sliding rod (13) is sequentially provided with vent holes (22), micro exhaust holes (17) and balance holes (12) from top to bottom, and the vent holes (22) are communicated with the protective filter screen (6) through channels (23); a check block (3) is fixedly arranged in the cavity III (21), and the check block (3) is positioned above the micro exhaust hole (17).
2. An automatically cleanable air valve against water hammer according to claim 1, characterized in that a sealing ring (9) is provided between the exhaust seat (5) and the valve seat (4), and a sealing gasket (2) is provided between the exhaust seat (5) and the main floating curved surface (8).
3. An automatically cleanable water hammer proof air valve according to claim 2, wherein a protective screen (6) is provided in the cavity I (19).
4. An automatically cleanable air valve against water hammer according to claim 3, characterized in that said exhaust seat (5) is provided with an air-permeable inclined hole (7) communicating with the cavity I (19).
5. An automatically cleanable ram-proof air valve according to claim 4, wherein the lower inner diameter of the cavity I (19) is smaller than the upper inner diameter, and the primary floating curve (8) is fitted to the lower inner diameter of the cavity I (19).
6. An automatically cleanable water hammer preventing air valve according to claim 5, wherein the outer diameter of the main floating curved surface (8) is smaller than the inner diameter of the cavity II (20).
7. A method for using the automatically cleanable water hammer air valve, which comprises the steps of:
(1) the pipeline enters a water filling and air exhausting state from an initial state, the volume of gas in the fluid is large, no liquid exists in the whole air valve, the main floating curved surface and the buoyancy block are at the bottom due to gravity, the main floating curved surface is separated from the sealing gasket, and a large amount of gas is exhausted to the atmosphere from a gap between the main floating curved surface and the sealing gasket through the protective filter screen and the air-permeable inclined hole;
(2) along with the discharge of gas, when fluid enters the valve body through the filter screen, the main floating curved surface and the buoyancy block rise under the action of buoyancy, the main floating curved surface is sealed with the sealing gasket, and the water hammer prevention air valve is sealed;
(3) after the water hammer air valve is sealed, if only a small amount of air exists in the fluid, the change of the water level is not large, at the moment, the main floating curved surface and the buoyancy block cannot be changed because the buoyancy is still larger than the gravity, but the floating block descends along with the change of the water level, the floating block descends, the micro exhaust hole is opened, and the redundant small amount of air enters the protective filter screen through the micro exhaust hole, the vent hole and the channel and then is exhausted to the atmosphere;
in the steps, the auxiliary floating ball continuously rises and falls along with the continuous rising and falling of the liquid level, the filter screen cleaning rod connected with the auxiliary floating ball rises and falls along with the auxiliary floating ball, and the lower end of the filter screen cleaning rod continuously cleans holes of the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952637.6A CN112049971B (en) | 2020-09-11 | 2020-09-11 | Water hammer preventing air valve capable of being automatically cleaned and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952637.6A CN112049971B (en) | 2020-09-11 | 2020-09-11 | Water hammer preventing air valve capable of being automatically cleaned and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112049971A CN112049971A (en) | 2020-12-08 |
| CN112049971B true CN112049971B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010952637.6A Active CN112049971B (en) | 2020-09-11 | 2020-09-11 | Water hammer preventing air valve capable of being automatically cleaned and using method thereof |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8689815B2 (en) * | 2011-10-12 | 2014-04-08 | Bermad Cs Ltd. | Air release vent valve |
| US10100935B2 (en) * | 2015-09-11 | 2018-10-16 | Mueller International, Llc | Air valve seat and land |
| CN107278808A (en) * | 2017-06-08 | 2017-10-24 | 防城港市长歧水利管理所 | A kind of irrigation and water conservancy is irrigated and uses anti-blocking pipeline |
| CN110319225A (en) * | 2018-03-30 | 2019-10-11 | 卢星霖 | Dual-valve body exhaust core pipe valve |
| CN208878011U (en) * | 2018-09-27 | 2019-05-21 | 中节能水务工程有限公司 | A kind of Industrial Waste Water Treatments pond high efficiency filter sewage disposal apparatus |
| CN209900793U (en) * | 2019-01-31 | 2020-01-07 | 汪国峰 | A hydrophobic means for hydraulic engineering |
| CN110792813B (en) * | 2019-12-03 | 2024-11-01 | 上海冠龙阀门节能设备股份有限公司 | Antifreezing exhaust valve |
| CN211288949U (en) * | 2019-12-18 | 2020-08-18 | 博纳斯威阀门股份有限公司 | Full runner air valve for sewage |
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2020
- 2020-09-11 CN CN202010952637.6A patent/CN112049971B/en active Active
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| CN112049971A (en) | 2020-12-08 |
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