CN107789913A - The air valve set of anti-cleaning function is filtered in a kind of band maintenance - Google Patents
The air valve set of anti-cleaning function is filtered in a kind of band maintenance Download PDFInfo
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- CN107789913A CN107789913A CN201711229147.8A CN201711229147A CN107789913A CN 107789913 A CN107789913 A CN 107789913A CN 201711229147 A CN201711229147 A CN 201711229147A CN 107789913 A CN107789913 A CN 107789913A
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- Prior art keywords
- air valve
- filter
- cartridge filter
- shaped pipe
- pipe fitting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0095—Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4272—Special valve constructions adapted to filters or filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The present invention relates to air valve technical field, discloses the air valve set that anti-cleaning function is filtered in a kind of band maintenance.The air valve set that anti-cleaning function is filtered in the band maintenance includes air valve, filter, first on off mechanism, second on off mechanism and T-shaped pipe fitting, the both ends of the T-shaped pipe fitting are respectively pipeline connection port and impurity sewage draining exit, the air valve is connected to the upper end of T-shaped pipe fitting, the filter is the cartridge filter of double-decker, the cartridge filter is fixed on the lower end of air valve, and length covers the valve opening of air valve, the port that the cartridge filter is used for into impurity corresponds to pipeline connection port and impurity sewage draining exit respectively, and port bore is more than the caliber of T-shaped pipe fitting, first on off mechanism is arranged on the T-shaped pipe fitting between cartridge filter and pipeline connection port, second on off mechanism is arranged on the T-shaped pipe fitting between cartridge filter and impurity sewage draining exit.
Description
Technical field
The present invention relates to air valve technical field, more particularly, to a kind of air of the anti-cleaning function of band maintenance filtering
Valve group.
Background technology
The various air valves installed on pipeline, its entrance should installation and repairing valve, for the maintenance of air valve.Maintenance
Valve generally use hand sluice valve or Hand-operated butterfly valve, but it functions only as on or off function, pipeline medium can not be carried out miscellaneous
Matter filters, and various impurity is usually contained in pipeline medium, particularly raw water operating mode, leaf, aquatic weed, various floating objects and
Discarded object is very common.Once the impurity air inlet valve in medium, the sealing of air valve lapse, cause air valve long-term
Leak, this will cause serious consequence, if installing single service valve and single filter simultaneously, air valve can be caused to install
Position is significantly increased, even if installing single filter, manual maintenance also bothers, especially in narrow and small valve well or
In the case of pipeline is above ground level, air valve is higher by pipeline certain altitude, can be brought very big difficulty to manual maintenance and
Risk.
Further, since the current in valve are larger, therefore the requirement to the filter used in valve is very high, it is necessary to take into account
Fineness and structural strength are filtered, for example with the high screen pack of filtering fineness, its intensity is easily squeezed with regard to inadequate in valve
Compressive strain, if using the screen pack of high intensity, although its intensity meets to require, its filtering fineness is low, can not meet
As this kind of valve higher to filtering requirement of air valve, thus one is generated not in filtering fine degree and filter cylinder intensity
Reconcilable contradiction, there is presently no a filter dedicated for valve.
The content of the invention
Present invention solves the technical problem that it is in view of the shortcomings of the prior art, there is provided a kind of anti-cleaning work(of band maintenance filtering
The air valve set of energy,
The purpose of the present invention is achieved through the following technical solutions：
The air valve set that anti-cleaning function is filtered in a kind of maintenance of band is provided, including air valve, filter, the first on off mechanism, the
Two on off mechanisms and T-shaped pipe fitting, the both ends of the T-shaped pipe fitting are respectively pipeline connection port and impurity sewage draining exit, the air valve
The upper end of T-shaped pipe fitting is connected to, the filter is the cartridge filter of double-decker, and the cartridge filter is fixed under air valve
End, and length covering air valve valve opening, the port that the cartridge filter is used for into impurity correspond to respectively pipeline connection port with
Impurity sewage draining exit, and port bore is more than the caliber of T-shaped pipe fitting, and first on off mechanism is arranged on cartridge filter and connected with pipeline
On T-shaped pipe fitting between interface, second on off mechanism is arranged on the T-shaped pipe fitting between cartridge filter and impurity sewage draining exit.
Air valve set of the present invention integrates air valve function, filtering and anti-cleaning function, maintenance function, using cartridge filter
As filter, cartridge filter is designed to double-decker in order to have filtering fineness and intensity concurrently, in air valve air-breathing, air-flow
It is externally entering, the impurity of cartridge filter trapped inside will leave filter bores under outside airflow function, not influence air-flow entrance；And
In air valve exhaust, cartridge filter will slow down the speed of air-flow discharge, and therefore, cartridge filter can not only stop impurity, and from knot
Help air valve to realize the fast function of inhaling slow row on structure, be advantageous to air valve and preferably play a role, in addition, being made using cartridge filter
Impact of the filter screen on cartridge filter directly facing current is also avoided that for filter, deformation is reduced and improves service life.
The present invention cuts off or connected the flow between air valve and pipeline by the first on off mechanism, with pressure so as to realize
Air valve is overhauled under state, cuts off or connect the stream between cartridge filter and impurity sewage draining exit by the second on off mechanism
Amount, realizes the anti-cleaning function to cartridge filter, and cartridge filter is repaired without artificial unloading.
Preferably, the air valve is angle-style air valve or water hammer-resistant air valve.
Preferably, for the air valve with T-shaped pipe fitting by being cast integrally formula, seamless connection sealing effectiveness is more preferable, avoids
Leak point caused by flange connection.
Preferably, the air valve is detachably connected by flange and T-shaped pipe fitting, is easy to repair and is changed.
Preferably, first on off mechanism is hand sluice valve or Hand-operated butterfly valve, and second on off mechanism is manual brake
Valve or Hand-operated butterfly valve.
Preferably, the cartridge filter is fixed on by way of screw or welding in T-shaped pipe fitting.
Preferably, the cartridge filter includes outer leaching net, Inner filter net and supporting plate, and the Inner filter net is inserted in outer leaching net, institute
The opening that supporting plate is fixed on cartridge filter both ends is stated, the Inner filter net is the square-mesh screen of stainless steel wire plain weave, described
Outer leaching net is punching stainless steel plate.
Cartridge filter is designed to double-decker by the present invention in order to have filtering fineness and intensity concurrently, and internal layer uses thin stainless steel
The Inner filter net of silk braiding, good filtration effect, but its intensity is not high, be easily crushed deformation, therefore redesigns one in outer layer
The eurypyloue orifice plate reel of punching press, because stomata is larger, the strainer filtering that filtering function compares stainless steel wire braiding is poor, still
The steel plate of punching, intensity is good, so as to have filtering fine degree and structural strength concurrently.
Preferably, the reel seam of the outer leaching net and Inner filter net staggers by 180 °, both ends alignment, is fixed by spot welding.
, can by calculating the effective discharge area of double-layer leaching net further in order to prevent that double medium filtration resistance is too big
Ensure in the case of double-layer leaching net, be effectively also greater than by area latus rectum calculating by area, the outer leaching net
Percentage sieving area is about 51.3%, and equivalent to 26 mesh/square feet made in Great Britain, the Inner filter net percentage sieving area is about
51%, 329 mesh of mesh number/square feet quite made in Great Britain.
Further, the cartridge filter is connected with reinforcement at the port of bonnet, improve cartridge filter intensity and
The steadiness being connected with T-shaped pipe fitting.
Compared with prior art, the present invention has following beneficial effect：
Air valve set of the present invention integrates air valve function, filtering and anti-cleaning function, maintenance function, sets filter can be really
Protect air valve and air valve drainage never occurs because of seal failure caused by impurity invading air valve in use, have
Beneficial to the long-term work of air valve, the flow between air valve and pipeline is cut off or connects by the first on off mechanism, so as to
Realize and air valve overhauled under band pressure condition, cut off or connected by the second on off mechanism cartridge filter and impurity sewage draining exit it
Between flow, realize the anti-cleaning function to cartridge filter, without artificial unloading repair cartridge filter.
Using cartridge filter as filter, in air valve air-breathing, air-flow is externally entering the present invention, is cut inside cartridge filter
The impurity stayed will leave filter bores under outside airflow function, not influence air-flow entrance；And in air valve exhaust, cartridge filter will
Slow down the speed of air-flow discharge, therefore, cartridge filter can not only stop impurity, and help air valve to realize that fast suction is slow from structure
The function of row, be advantageous to air valve and preferably play a role, in addition, being also avoided that using cartridge filter as filter on cartridge filter
Filter screen directly facing current impact, reduce deformation improve service life.
Cartridge filter is designed to double-decker by the present invention, and structural strength is more preferable, is unlikely to deform, and internal layer uses thin stainless steel wire
The Inner filter net good filtration effect of braiding, but its intensity is not high, be easily crushed deformation, therefore redesigns a punching press in outer layer
Eurypyloue orifice plate reel, because stomata is larger, the strainer filtering that filtering function compares stainless steel wire braiding is poor, but punching
Steel plate, intensity is good, is connected by spot welding, and in the opening spot welding fixed support plate at cartridge filter both ends, so as to have concurrently
Filter fine degree and intensity.
On-line maintenance of the present invention is simple, conveniently, it is laborsaving.Simultaneously close off the first on off mechanism and the second on off mechanism can be right
Air valve overhauled under band pressure condition, while the first on off mechanism of unlatching and the second on off mechanism can be carried out instead to cartridge filter
To cleaning, manual maintenance is avoided.
Brief description of the drawings
Fig. 1 embodiments 1 filter the air valve set structural representation of anti-cleaning function with maintenance.
The cartridge filter front view of Fig. 2 embodiments 1.
The supporting plate of Fig. 3 embodiments 1 and cartridge filter welding schematic diagram.
The outer leaching net structural representation of Fig. 4 embodiments 1.
The Inner filter net structural representation of Fig. 5 embodiments 1.
The cartridge structure schematic diagram of Fig. 6 embodiments 1.
The end structure illustration of the cartridge filter of Fig. 7 embodiments 1.
Fig. 8 embodiments 2 filter the air valve set structural representation of anti-cleaning function with maintenance.
Wherein, 1- air valves, 2-T type pipe fittings, the on off mechanisms of 3- first, the on off mechanisms of 4- second, 5- pipeline connection ports, 6-
Impurity sewage draining exit, the valve opening of 7- air valves, 10- cartridge filters, 13- pressure release plug screws, 16- supporting plates, 17- outer leaching nets, 18- is interior to be filtered
Net, the inside and outside filter screen spot welding fixing points of 19-, 20- supporting plates and barrel spot welding fixing point, 21- reinforcements, 23-T type pipe fitting grooves.
Embodiment
With reference to embodiment, the present invention is further illustrated.Wherein, being given for example only property of accompanying drawing illustrates,
What is represented is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which the reality of the present invention is better described
Example is applied, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To those skilled in the art
For, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Embodiment 1
As shown in Fig. 1~7, a kind of air valve set of the anti-cleaning function of band maintenance filtering of the present embodiment offer, including air valve 1,
Filter, the first on off mechanism 3, the second on off mechanism 4 and T-shaped pipe fitting 2, the both ends of T-shaped pipe fitting 2 are respectively pipeline connection port 5
With impurity sewage draining exit 6, pipeline connection port 5 is connected with pipeline, and impurity sewage draining exit 6 can be connected with impurity collecting pit, and air valve 1 connects
The upper end of T-shaped pipe fitting 2 is connected on, filter is the cartridge filter 10 of double-decker, and cartridge filter 10 is fixed on the lower end of air valve 1, and
And the valve opening 7 of length covering air valve, the port that cartridge filter 10 is used for into impurity correspond to pipeline connection port 5 and impurity row respectively
Dirty mouth 6, and port bore is more than the caliber of T-shaped pipe fitting 2, and the first on off mechanism 3 is arranged on cartridge filter 10 and pipeline connection port 5
Between T-shaped pipe fitting 2 on, the second on off mechanism 4 is arranged on the T-shaped pipe fitting 2 between cartridge filter 10 and impurity sewage draining exit 6.
The present embodiment air valve 1 is illustrated using water hammer-resistant air valve, and the patent applied before is specifically taken charge of using me
Numbers 201520384037.9, patent name water hammer-resistant air valve, concrete structure and effect just do not repeat one by one.Air valve 1 passes through
Flange is connected with T-shaped pipe fitting 2.
The present embodiment the first on off mechanism 3 and the second on off mechanism 4 can use hand sluice valve of the prior art, its
Structure is not just introduced specifically.
The present embodiment cartridge filter 10 is fixed on by way of screw or welding in T-shaped pipe fitting 2, it is contemplated that cartridge filter 10 is grown
The valve opening 7 of degree covering air valve, and barrel dliameter can just keep filter effect more than the pipe fitting of T-shaped pipe fitting 2, therefore in T-shaped pipe
T-shaped pipe fitting groove 23 is provided with part 2, for fixing cartridge filter 10.
As shown in Fig. 2 the present embodiment cartridge filter 10 uses double-decker, including outer leaching net 17, Inner filter net 18 and supporting plate
16, Inner filter net 18 is inserted in outer leaching net 17, and respective reel seam staggers by 180 °, and both ends alignment, inside is according to inside and outside filter screen
Spot welding fixing point 19 carries out spot welding and fixed, as shown in figure 3, the spot welding of supporting plate 16 is fixed on the opening at the both ends of cartridge filter 10, uses
In the intensity for strengthening cartridge filter 10, outer leaching net is made according to the punching stainless steel plate required shown in Fig. 4, reel in wherein outer leaching net 17
17, reel seam welds are firm, and the percentage sieving area of outer leaching net 17 is about 51.3%, equivalent to 26 mesh/square feet made in Great Britain；
Inner filter net 18 is by being illustrated in figure 5 0.4mm stainless steel wire plain weave square-mesh screens, filter pore size 1x1mm, sieving area hundred
Point rate is about 51%, 329 mesh of mesh number/square feet quite made in Great Britain, and the reel abutment joint of Inner filter net 18 answers firm welding, makes symbol
Standardization requirement.
The design principle of the present embodiment is the filtering fineness and structural strength for how taking into account filter, if necessary to full
If the requirement of sufficient fine filtering, screen pack just needs to form using very thin braided steel wire, for example, 0.4mm braided steel wire into
Cartridge filter, but the deformation that is crushed just is easy in the case that hydraulic pressure is very big in valve body, the present embodiment is smart in order to have filtering concurrently
Cartridge filter is designed to double-decker by fineness and intensity, and internal layer uses the Inner filter net of thin stainless steel wire braiding, good filtration effect, but
It is that its intensity is not high, be easily crushed deformation, therefore redesigns the eurypyloue orifice plate reel of a punching press in outer layer, due to stomata
Larger, the strainer filtering that filtering function compares stainless steel wire braiding is poor, but the steel plate of punching, and intensity is good, is connected by spot welding
Connect, and in the opening spot welding fixed support plate at cartridge filter both ends, so as to have filtering fine degree and intensity concurrently.
But easily cause that resistance is too big using double medium filtration, therefore the present embodiment is by calculating the effectively logical of double-layer leaching net
Cross area, can ensure in the case of double-layer leaching net, be effectively also greater than by area latus rectum calculating by area.
Cartridge filter is designed to double-decker by the filter that the present embodiment is used for valve, and structural strength is more preferable, is unlikely to deform,
Internal layer uses the Inner filter net good filtration effect of thin stainless steel wire braiding, but its intensity is not high, and be easily crushed deformation, therefore
Outer layer redesigns the eurypyloue orifice plate reel of a punching press, and because stomata is larger, filtering function compares the filter of stainless steel wire braiding
Net filtration is poor, but the steel plate of punching, and intensity is good, is connected by spot welding, and in the opening point solid welding at cartridge filter both ends
Supporting plate is determined, so as to have filtering fine degree and intensity concurrently.
As shown in fig. 6, the present embodiment in order to strengthen the structural strength of cartridge filter 10, is provided with the port of cartridge filter 10 and added
Strengthening tendons 21, as shown in fig. 7, in order to further improve the structural strength of cartridge filter 10, reinforcement 21 is two, is arranged to cross
Type, it can be selected as particular number and structure according to actual conditions.
The operation principle of the present embodiment is as follows：
Normal operating conditions：The first on off mechanism 3 is opened, closes the second on off mechanism 4, the normal work of air valve 1.
Inspecting state：The first on off mechanism 3 is closed, the second on off mechanism 4 is closed, air valve 1 is overhauled.
Clean and maintenance：The first on off mechanism 3 is opened, opens the second on off mechanism 4, current enter from pipeline connection port 5 successively
Enter and the impurity of cartridge filter 10 is gone out into impurity sewage draining exit 6, eventually flow to impurity collecting pit.
The present embodiment air valve set integrates air valve function, filtering and anti-cleaning function, maintenance function, sets filtering
Device can ensure that never because of seal failure caused by impurity invading air valve air valve leak occurs for air valve in use
Phenomenon, be advantageous to the long-term work of air valve, the stream between air valve and pipeline is cut off or connect by the first on off mechanism
Amount, air valve is overhauled under band pressure condition so as to realize, cartridge filter and impurity are cut off or connected by the second on off mechanism
Flow between sewage draining exit, the anti-cleaning function to cartridge filter is realized, cartridge filter is repaired without artificial unloading.
The present embodiment is using cartridge filter as filter, and in air valve air-breathing, air-flow is externally entering, inside cartridge filter
The impurity of retention will leave filter bores under outside airflow function, not influence air-flow entrance；And in air valve exhaust, cartridge filter
The speed of air-flow discharge will be slowed down, therefore, cartridge filter can not only stop impurity, and help air valve to realize fast inhale from structure
The function of slow row, is advantageous to air valve and preferably plays a role, in addition, being also avoided that cartridge filter as filter using cartridge filter
On filter screen directly facing current impact, reduce deformation improve service life.
Embodiment 2
As shown in figure 8, the present embodiment is substantially the same manner as Example 1, difference is,
Air valve 1 and T-shaped pipe fitting 2 are monoblock type, and by being cast integrally, seamless connection sealing effectiveness is more preferable, avoids flange from connecting
Caused leak point is connect, air valve body 1 uses angle-style air valve, and the patent No. applied before is specifically taken charge of using me
201520383478.7 patent name water hammer-resistant air valve, concrete structure and effect just do not repeat one by one.
Obviously, above-described embodiment is only intended to clearly illustrate technical scheme example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the field, on the basis of the above description also
It can make other changes in different forms.Any modification for being made within the spirit and principles of the invention, etc.
With replacement and improvement etc., should be included within the protection of the claims in the present invention.
Claims (10)
1. the air valve set of anti-cleaning function is filtered in a kind of band maintenance, it is characterised in that leads to including air valve, filter, first
Breaking mechanism, the second on off mechanism and T-shaped pipe fitting, the both ends of the T-shaped pipe fitting are respectively pipeline connection port and impurity sewage draining exit, institute
The upper end that air valve is connected to T-shaped pipe fitting is stated, the filter is the cartridge filter of double-decker, and the cartridge filter is fixed on air
The lower end of valve, and the valve opening of length covering air valve, the port that the cartridge filter is used for into impurity correspond to pipeline company respectively
Interface and impurity sewage draining exit, and port bore be more than T-shaped pipe fitting caliber, first on off mechanism be arranged on cartridge filter with
On T-shaped pipe fitting between pipeline connection port, second on off mechanism is arranged on the T-shaped pipe between cartridge filter and impurity sewage draining exit
On part.
2. the air valve set of anti-cleaning function is filtered with maintenance according to claim 1, it is characterised in that the air valve is
Angle-style air valve or water hammer-resistant air valve.
3. the air valve set of anti-cleaning function is filtered with maintenance according to claim 1, it is characterised in that the air valve with
T-shaped pipe fitting is by being cast integrally formula.
4. the air valve set of anti-cleaning function is filtered with maintenance according to claim 1, it is characterised in that the air valve leads to
Flange is crossed to be detachably connected with T-shaped pipe fitting.
5. the air valve set of anti-cleaning function is filtered with maintenance according to claim 1, it is characterised in that first break-make
Mechanism is hand sluice valve or Hand-operated butterfly valve, and second on off mechanism is hand sluice valve or Hand-operated butterfly valve.
6. the air valve set of anti-cleaning function is filtered with maintenance according to claim 1, it is characterised in that the cartridge filter leads to
The mode for crossing screw or welding is fixed in T-shaped pipe fitting.
7. the air valve set of anti-cleaning function is filtered with maintenance according to claim 1~6 any one, it is characterised in that
The cartridge filter includes outer leaching net, Inner filter net and supporting plate, and the Inner filter net is inserted in outer leaching net, and the supporting plate was fixed on
The opening at filter cylinder both ends, the Inner filter net are the square-mesh screen of stainless steel wire plain weave, and the outer leaching net is that punching is stainless
Steel plate.
8. the air valve set of anti-cleaning function is filtered with maintenance according to claim 7, it is characterised in that the outer leaching net and
The reel seam of Inner filter net staggers by 180 °, both ends alignment, is fixed by spot welding.
9. the air valve set of anti-cleaning function is filtered with maintenance according to claim 7, it is characterised in that the outer leaching net sieve
Facet product is 329 mesh/square feet made in Great Britain, and the Inner filter net sieving area is 26 mesh/square feet made in Great Britain.
10. the air valve set of anti-cleaning function is filtered with maintenance according to claim 7, it is characterised in that the cartridge filter
Port be additionally provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229147.8A CN107789913B (en) | 2017-11-29 | 2017-11-29 | Air valve group with overhauling, filtering and back-cleaning functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229147.8A CN107789913B (en) | 2017-11-29 | 2017-11-29 | Air valve group with overhauling, filtering and back-cleaning functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107789913A true CN107789913A (en) | 2018-03-13 |
| CN107789913B CN107789913B (en) | 2020-07-07 |
Family
ID=61537211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711229147.8A Active CN107789913B (en) | 2017-11-29 | 2017-11-29 | Air valve group with overhauling, filtering and back-cleaning functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107789913B (en) |
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| CN200988089Y (en) * | 2006-12-28 | 2007-12-12 | 中铝洛阳铜业有限公司 | Purifying filter for shape variable magnesium alloy smelting and casting |
| CN201651537U (en) * | 2010-03-25 | 2010-11-24 | 董服义 | Exhaust ball valve |
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| CN202992351U (en) * | 2012-10-10 | 2013-06-12 | 武汉大禹阀门股份有限公司 | Bridging water hammer prevention valve unit with filtering backflushing function |
| CN203115203U (en) * | 2013-02-02 | 2013-08-07 | 陈海峰 | Adjustable filtering pressure maintaining valve |
| US20140251466A1 (en) * | 2013-03-11 | 2014-09-11 | Hamilton Sundstrand Corporation | Pneumatic port shield |
| US8845895B1 (en) * | 2010-06-01 | 2014-09-30 | Mohssen Ghiassi | Reusable water bottle with integrated disposable cap and filter |
| CN204114277U (en) * | 2014-09-04 | 2015-01-21 | 宁波埃美柯铜阀门有限公司 | The combined outlet valve of band cartridge filter |
-
2017
- 2017-11-29 CN CN201711229147.8A patent/CN107789913B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200988089Y (en) * | 2006-12-28 | 2007-12-12 | 中铝洛阳铜业有限公司 | Purifying filter for shape variable magnesium alloy smelting and casting |
| US20110259445A1 (en) * | 2007-07-02 | 2011-10-27 | Grundfos Pumps Corporation | Water circulation system valve assemblies having water temperature control |
| CN201651537U (en) * | 2010-03-25 | 2010-11-24 | 董服义 | Exhaust ball valve |
| US8845895B1 (en) * | 2010-06-01 | 2014-09-30 | Mohssen Ghiassi | Reusable water bottle with integrated disposable cap and filter |
| CN202992351U (en) * | 2012-10-10 | 2013-06-12 | 武汉大禹阀门股份有限公司 | Bridging water hammer prevention valve unit with filtering backflushing function |
| CN203115203U (en) * | 2013-02-02 | 2013-08-07 | 陈海峰 | Adjustable filtering pressure maintaining valve |
| US20140251466A1 (en) * | 2013-03-11 | 2014-09-11 | Hamilton Sundstrand Corporation | Pneumatic port shield |
| CN204114277U (en) * | 2014-09-04 | 2015-01-21 | 宁波埃美柯铜阀门有限公司 | The combined outlet valve of band cartridge filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107789913B (en) | 2020-07-07 |
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Effective date of registration: 20211105 Address after: 215 Huanghe South Road, Tianyuan District, Zhuzhou City, Hunan Province, 412000 Patentee after: ZHUZHOU SOUTHERN VALVE Co.,Ltd. Patentee after: Hunan Sparton Intelligent Water System Co.,Ltd. Address before: 215 Huanghe South Road, Tianyuan District, Zhuzhou City, Hunan Province, 412000 Patentee before: ZHUZHOU SOUTHERN VALVE Co.,Ltd. |