CN108626458A - Combustion gas filter device - Google Patents
Combustion gas filter device Download PDFInfo
- Publication number
- CN108626458A CN108626458A CN201810574593.0A CN201810574593A CN108626458A CN 108626458 A CN108626458 A CN 108626458A CN 201810574593 A CN201810574593 A CN 201810574593A CN 108626458 A CN108626458 A CN 108626458A
- Authority
- CN
- China
- Prior art keywords
- inlet channel
- filtration core
- filter
- combustion gas
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- 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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
This application discloses a kind of combustion gas filter devices, including：There is air inlet and gas outlet, valve body to have fillter section, have inlet channel, the opening of the second end face fillter section of inlet channel in valve body for valve body, valve body；Filtration core is detachably arranged in the second end of inlet channel, and filtration core coordinates with inlet channel sealing, and the filter chamber of filtration core is connected to inlet channel；Valve deck is detachably arranged on fillter section, fillter section and valve deck screw-thread fit, and the inner face and filtration core of valve deck are against the gas come out from filtration core passes through gas outlet exits valve body.The application fillter section and valve deck screw-thread fit, this fit system facilitate the dismounting of valve deck；Filtration core coordinates with inlet channel sealing, and the inner face of valve deck and filtration core against, this structure can ensure the reliability of filtration core and the sealing of inlet channel second end, effectively prevent gas without filter chamber, be directly discharged by the gap between filtration channel and filtration core.
Description
Technical field
The present invention relates to filter plants, and in particular to combustion gas filter device.
Background technology
Combustion gas filter device is a kind of indispensable device of the tubing of pumped (conveying) medium.A kind of existing combustion gas filtering
Device includes air inlet and gas outlet, and filtration is provided between air inlet and gas outlet, and filtration includes two filterings
Piece and the filter cotton being clipped among two filters are first pacified filtration by installing port when combustion gas filter device is installed
On the tube body of combustion gas filter device, then installing port is sealed up by plate end cap.The knot of existing combustion gas filter device
Structure, poor filtration effect, the impurity such as particle easily through the gap between filtration and tube body, in addition, end cap dismounting also compared with
For inconvenience, end cap can just be removed by needing to dismantle multiple screws, the replacement of filtration or be safeguarded very inconvenient.
Invention content
The present invention is in view of the above-mentioned problems, overcome at least one deficiency, it is proposed that a kind of combustion gas filter device.
The technical solution adopted by the present invention is as follows：
A kind of combustion gas filter device, including：
There is air inlet and gas outlet, the side wall of valve body to have fillter section, have inlet channel in valve body for valve body, valve body,
The first end of inlet channel is the air inlet of valve body, the opening of fillter section described in the second end face of inlet channel；
Filtration core is detachably arranged in the second end of the inlet channel, and filtration core coordinates with inlet channel sealing, mistake
The filter chamber of filter core is connected to inlet channel；
Valve deck is detachably arranged on the fillter section, the fillter section and valve deck screw-thread fit, the inner face of valve deck
With the filtration core against the gas come out from filtration core passes through the gas outlet exits valve body.
The combustion gas filter device operation principle of the application is as follows：Combustion gas enters the inlet channel of valve body by air inlet, so
The filter chamber for entering filtration core from the second end of inlet channel afterwards, is discharged after filtration core impurity screening, eventually by gas outlet
Exits valve body.
Fillter section and valve deck screw-thread fit, this fit system facilitate the dismounting of valve deck, to facilitate the maintenance of filtration core
(cleaning is replaced)；The sealing of filtration core and inlet channel coordinates, and the inner face of valve deck and the filtration core are against this structure
The reliability that can ensure filtration core and the sealing of inlet channel second end, effectively prevent gas without filter chamber, directly passes through
Gap discharge between filtration channel and filtration core.
In a wherein embodiment of the invention, the filtration core includes：
The side wall of the filter house of the tubular of both ends open, filter house has filter hole；
Hollow interconnecting piece, is fixed on the first end of the filter house, and the second end of the interconnecting piece and inlet channel is close
Envelope cooperation；
Butting section is fixed on the second end of the filter house, for sealing the second end of filter house, makes gas can only be from
The hole of filter house is discharged, the inner face of the butting section and valve deck against.
The space that filter house, interconnecting piece and butting section surround be filter chamber, by be arranged interconnecting piece facilitate filtration core with into
The cooperation in gas channel, the portion of being positioned against can seal the second end of filter house, make gas that can only be discharged from the hole of filter house,
Gap that will not be between butting section and valve deck is discharged, and filter effect is effectively ensured.The inner face of butting section and valve deck against this
Kind structure can facilitate filtration core stress, to which the sealing cooperation of filtration core and inlet channel be effectively ensured.
When practice, interconnecting piece and butting section can be fixed on by various process means on filter house, for example be passed through
Welding, pressing etc. mode.
In a wherein embodiment of the invention, the filter house is netted filtering portion.Netted filtering portion, filter effect compared with
It is good.
In a wherein embodiment of the invention, filter screen includes internal layer and outer layer, and the area of the filter hole of internal layer is more than outer
The area of the filter hole of layer.
Filter screen is two layers inside and outside by being arranged, and can not only increase the structural strength of filter screen, and slightly mistake may be implemented
Filter and essence filtering double-filtration.Wherein, outer filter hole area is small, main filtration；Internal layer mainly plays a supportive role,
The active force that valve deck applies it can be sustained to make filter house overall structure more by force.
In a wherein embodiment of the invention, internal layer and the uniform tubular structure of outer layer, internal layer mutually recline with outer layer.
In a wherein embodiment of the invention, the interconnecting piece has first part and a second part, first part it is outer
Diameter is more than the outer diameter of second part, has first step, the first part and filter house between first part and second part
Fixed, the second part is tubular structure, and the second part is for the interior second end port for being inserted in inlet channel.
When practice, it is preferred that butting section is lid-like, and butting section has the side wall of part-structure and filter house to match
It closes.Coordinate in conjunction with the side wall of first part and filter house, this structure of interconnecting piece and butting section can play filter house reinforcement
Effect, to which when butting section is pressurized, filter house is unlikely to deform.
In a wherein embodiment of the invention, there is mounting portion, the inlet channel to be arranged in mounting portion in the valve body；
Gask-O-Seal, described Gask-O-Seal one end and mounting portion are cased with outside the second part against the other end and first step
Against.
The mounting portion of valve body and valve body is the entity structure to form inlet channel.Inlet channel setting described in the application
On mounting portion, inlet channel is not limited to completely on mounting portion, and can also refer to inlet channel has part to be located at mounting portion
On.
It can ensure the sealing matching relationship of interconnecting piece and mounting portion by the way that Gask-O-Seal is arranged, inlet channel is made to come out
Gas can fully enter (i.e. filter chamber) inside filtration core.The close of interconnecting piece and filtration channel is realized by Gask-O-Seal
Envelope cooperation.
In a wherein embodiment of the invention, the one end of the second part far from first part has anti-decylization.
Setting anti-decylization can be prevented when dismantling filtration core, and annular sealing ring is easy to be detached from from second part.
In a wherein embodiment of the invention, the filter house, interconnecting piece and butting section are stainless steel.Stainless steel
Material Strength is high, and facilitates repeated washing, and service life is high.
Further include the sealing ring being arranged between valve deck and fillter section in a wherein embodiment of the invention.
In a wherein embodiment of the invention, the valve deck has an external screw thread, valve deck lateral wall also have spacing ring and
Annular mounting groove, the annular mounting groove are mounted on adjacent to the spacing ring, the sealing ring in annular mounting groove；The filtering
There is section internal thread, fillter section tip inside wall to have ring-shaped step；The external screw thread and screw-internal thread fit, the sealing ring exist
It is sealed against with ring-shaped step under the action of spacing ring.
In this way, can ensure valve deck and fillter section sealing cooperation reliability, it effectively prevent gas leakage.
The beneficial effects of the invention are as follows：Fillter section and valve deck screw-thread fit, this fit system facilitate the dismounting of valve deck, from
And facilitate the maintenance of filtration core (cleaning is replaced)；The sealing of filtration core and inlet channel coordinates, and the inner face of valve deck with it is described
Filtration core is against this structure can ensure the reliability of filtration core and the sealing of inlet channel second end, effectively prevent gas not
By filter chamber, directly it is discharged by the gap between filtration channel and filtration core.
Description of the drawings：
Fig. 1 is the structural schematic diagram of combustion gas filter device of the present invention；
Fig. 2 is the vertical view of combustion gas filter device of the present invention；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the structural schematic diagram of filtration core；
Fig. 5 is the structural schematic diagram of another angle of filtration core；
Fig. 6 is the explosive view of combustion gas filter device of the present invention.
1, valve body；2, valve deck；3, filtration core；4, air inlet；5, gas outlet；6, inlet channel；7, the second of inlet channel
End；8, mounting portion；9, filter chamber；10, Gask-O-Seal；11, second part；12, first step；13, first part；14, even
Socket part；15, filter house；16, butting section；17, filter hole；18, the inner face of valve deck；19, fillter section；20, sealing ring；21, it limits
Position ring；22, annular mounting groove；23, external screw thread；24, ring-shaped step；25, internal thread.
Specific implementation mode：
With reference to each attached drawing, the present invention is described in detail.
As shown in Figure 1,2 and 3, a kind of combustion gas filter device, including：
There is air inlet 4 and gas outlet 5, the side wall of valve body 1 to have fillter section 19 for valve body 1, valve body 1, have in valve body 1 into
Gas channel 6, the first end of inlet channel 6 are the air inlet 4 of valve body 1, and the 7 face fillter section 19 of second end of inlet channel is opened
Mouthful；
Filtration core 3 is detachably arranged in the second end 7 of inlet channel, and filtration core 3 coordinates with the sealing of inlet channel 6, mistake
The filter chamber 9 of filter core 3 is connected to inlet channel 6；
Valve deck 2 is detachably arranged on fillter section 19,2 screw-thread fit of fillter section 19 and valve deck, the inner face of valve deck 2
18 with filtration core 3 against, from filtration core 3 come out gas pass through 5 exits valve body 1 of gas outlet.
The combustion gas filter device operation principle of the application is as follows：Combustion gas enters the inlet channel 6 of valve body 1 by air inlet 4,
Then the filter chamber 9 for entering filtration core 3 from the second end of inlet channel 7, is discharged after 3 impurity screening of filtration core, eventually by
5 exits valve body 1 of gas outlet.
2 screw-thread fit of fillter section 19 and valve deck, this fit system facilitate the dismounting of valve deck 2, to facilitate filtration core 3
It safeguards (cleaning is replaced)；The sealing of filtration core 3 and inlet channel 6 coordinates, and the inner face 18 of valve deck 2 and filtration core 3 against this
Kind of structure can ensure the reliability of filtration core 3 and the sealing of 6 second end of inlet channel, effectively prevent gas without filter chamber 9,
Directly it is discharged by the gap between filtration channel and filtration core 3.
In the application, the opening of the 7 face fillter section 19 of second end of inlet channel includes two kinds of situations, and one is this implementations
Shown in Fig. 3 and 6 of example, the second end 7 of inlet channel is located inside fillter section 19, and another kind is that the second end 7 of inlet channel is worn
The opening for going out fillter section 19 may be otherwise the opening for the 7 face fillter section 19 of second end for being interpreted as inlet channel.
As shown in Fig. 3,4 and 5, in this present embodiment, filtration core 3 includes：
The side wall of the filter house 15 of the tubular of both ends open, filter house 15 has filter hole 17；
Hollow interconnecting piece 14, is fixed on the first end of filter house 15, and interconnecting piece 14 and the second end 7 of inlet channel seal
Cooperation；
Butting section 16 is fixed on the second end of filter house 15, for sealing the second end of filter house 15, makes gas can only
Be discharged from the hole of filter house 15, the inner face 18 of butting section 16 and valve deck 2 against.
The space that filter house 15, interconnecting piece 14 and butting section 16 surround is filter chamber 9, is facilitated by the way that interconnecting piece 14 is arranged
The cooperation of filter core 3 and inlet channel 6, the second end of filter house 15 can be sealed by being positioned against portion 16, make gas can only be from mistake
The hole in filter portion 15 is discharged, and gap that will not be between butting section 16 and valve deck 2 is discharged, and filter effect is effectively ensured.Butting section
16 with the inner face 18 of valve deck 2 against this structure can facilitate 3 stress of filtration core, to which filtration core 3 and air inlet be effectively ensured
The sealing in channel 6 coordinates.
When practice, interconnecting piece 14 and butting section 16 can be fixed on by various process means on filter house 15, than
Such as pass through welding, pressing etc. mode.
As shown in Figures 4 and 5, in this present embodiment, filter house 15 is netted filtering portion 15.Netted filtering portion 15, filtering effect
Fruit is preferable.
In other embodiment, filter screen includes internal layer and outer layer, and the area of the filter hole 17 of internal layer is more than the mistake of outer layer
The area of filter opening 17.Filter screen is two layers inside and outside by being arranged, and can not only increase the structural strength of filter screen, and may be implemented
Coarse filtration and essence filtering double-filtration.Wherein, 17 area of outer filter hole is small, main filtration；Internal layer mainly plays branch
Support acts on, and the active force that valve deck 2 applies it can be sustained to make 15 overall structure of filter house more by force.Internal layer and outer layer are equal
Even tubular structure, internal layer and outer layer mutually recline.
As shown in figure 5, in this present embodiment, interconnecting piece 14 has first part 13 and second part 11, first part 13
Outer diameter be more than second part 11 outer diameter, between first part 13 and second part 11 have first step 12, first part
13 fix with filter house 15, and second part 11 is tubular structure, and second part 11 is for interior 7 end of second end for being inserted in inlet channel
Mouthful.
When practice, it is preferred that butting section 16 is lid-like, and there is the side of part-structure and filter house 15 in butting section 16
Wall coordinates.Coordinate in conjunction with the side wall of first part 13 and filter house 15, interconnecting piece 14 and 16 this structure of butting section can be to mistakes
Booster action is played in filter portion 15, to which when butting section 16 is pressurized, filter house 15 is unlikely to deform.
As shown in figs. 3 and 6, in this present embodiment, there is mounting portion 8, inlet channel 6 to be arranged in valve body 1 in mounting portion 8；
Gask-O-Seal 10,10 one end of Gask-O-Seal and mounting portion 8 are cased with outside second part 11 against the other end and first step 12
Against.
The mounting portion 8 of valve body 1 and valve body 1 is the entity structure to form inlet channel 6.Inlet channel described in the application
6 are arranged on mounting portion 8, are not limited to inlet channel 6 completely on mounting portion 8, and can also refer to inlet channel 6 has part position
In on mounting portion 8.
It can ensure the sealing matching relationship of interconnecting piece 14 and mounting portion 8 by the way that Gask-O-Seal 10 is arranged, keep air inlet logical
The gas that road 6 comes out can fully enter 3 inside (i.e. filter chamber 9) of filtration core.Interconnecting piece 14 is realized by Gask-O-Seal 10
Sealing with filtration channel coordinates.
In other embodiment, the one end of second part 11 far from first part 13 has anti-decylization.Anti-decylization energy is set
It enough prevents when dismantling filtration core 3, annular sealing ring is easy to be detached from from second part 11.
In this present embodiment, filter house 15, interconnecting piece 14 and butting section 16 are stainless steel.Stainless steel intensity
Height, and facilitate repeated washing, service life is high.
As shown in figs. 3 and 6, in this present embodiment, further include the sealing ring 20 being arranged between valve deck 2 and fillter section 19.
As shown in figs. 3 and 6, in this present embodiment, there is valve deck 2 external screw thread 23,2 lateral wall of valve deck also to have spacing ring 21
And annular mounting groove 22, annular mounting groove 22 are mounted on adjacent to spacing ring 21, sealing ring 20 in annular mounting groove 22；Fillter section
19 there is internal thread 25,19 tip inside wall of fillter section to have ring-shaped step 24；External screw thread 23 coordinates with internal thread 25, sealing ring
20 seal against under the action of spacing ring 21 with ring-shaped step 24.In this way, can ensure that valve deck 2 is sealed with fillter section 19
Coordinate reliability, effectively prevent gas leakage.
It these are only the preferred embodiment of the present invention, not thereby limit the scope of patent protection of the present invention, every fortune
The equivalent structure transformation made by description of the invention and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain includes similarly within the scope of the present invention.
Claims (10)
1. a kind of combustion gas filter device, which is characterized in that including：
There is air inlet and gas outlet, the side wall of valve body to have fillter section, have inlet channel, air inlet in valve body for valve body, valve body
The first end in channel is the air inlet of valve body, the opening of fillter section described in the second end face of inlet channel；
Filtration core is detachably arranged in the second end of the inlet channel, and filtration core coordinates with inlet channel sealing, filtration core
Filter chamber be connected to inlet channel；
Valve deck is detachably arranged on the fillter section, the fillter section and valve deck screw-thread fit, the inner face of valve deck and institute
Filtration core is stated against the gas come out from filtration core passes through the gas outlet exits valve body.
2. combustion gas filter device as described in claim 1, which is characterized in that the filtration core includes：
The side wall of the filter house of the tubular of both ends open, filter house has filter hole；
Hollow interconnecting piece, is fixed on the first end of the filter house, and the second end sealing of the interconnecting piece and inlet channel is matched
It closes；
Butting section is fixed on the second end of the filter house, for sealing the second end of filter house, makes gas can only be from filtering
The hole in portion is discharged, the inner face of the butting section and valve deck against.
3. combustion gas filter device as claimed in claim 2, which is characterized in that the filter house is netted filtering portion.
4. combustion gas filter device as claimed in claim 3, which is characterized in that filter screen includes internal layer and outer layer, the mistake of internal layer
The area of filter opening is more than the area of the filter hole of outer layer.
5. combustion gas filter device as claimed in claim 2, which is characterized in that the interconnecting piece has first part and second
Point, the outer diameter of first part is more than the outer diameter of second part, has first step between first part and second part, and described the
A part is fixed with filter house, and the second part is tubular structure, the second part be used in be inserted in the of inlet channel
Two ends port.
6. combustion gas filter device as claimed in claim 5, which is characterized in that have mounting portion, the air inlet in the valve body
Channel is arranged in mounting portion；Be cased with Gask-O-Seal outside the second part, described Gask-O-Seal one end and mounting portion against,
The other end and first step against.
7. combustion gas filter device as claimed in claim 6, which is characterized in that the one end of the second part far from first part
With anti-decylization.
8. combustion gas filter device as claimed in claim 2, which is characterized in that the filter house, interconnecting piece and butting section are
Stainless steel.
9. combustion gas filter device as described in claim 1, which is characterized in that further include being arranged between valve deck and fillter section
Sealing ring.
10. combustion gas filter device as claimed in claim 9, which is characterized in that the valve deck has external screw thread, valve deck lateral wall
Also there is spacing ring and annular mounting groove, the annular mounting groove to be mounted on annular adjacent to the spacing ring, the sealing ring
In mounting groove；There is the fillter section internal thread, fillter section tip inside wall to have ring-shaped step；The external screw thread and internal thread
Cooperation, the sealing ring seal against under the action of spacing ring with ring-shaped step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574593.0A CN108626458A (en) | 2018-06-06 | 2018-06-06 | Combustion gas filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574593.0A CN108626458A (en) | 2018-06-06 | 2018-06-06 | Combustion gas filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108626458A true CN108626458A (en) | 2018-10-09 |
Family
ID=63691027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810574593.0A Pending CN108626458A (en) | 2018-06-06 | 2018-06-06 | Combustion gas filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626458A (en) |
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|---|---|---|---|---|
| CN2568273Y (en) * | 2002-07-25 | 2003-08-27 | 陈云斌 | Water purifying filter net |
| CN2743014Y (en) * | 2004-07-15 | 2005-11-30 | 大港油田集团有限责任公司 | Fast opening type pipe line filter |
| CN101227961A (en) * | 2005-07-22 | 2008-07-23 | Ufi过滤股份公司 | Filter device for oil filtration |
| CN201921585U (en) * | 2011-01-19 | 2011-08-10 | 台州双林阀门制造有限公司 | Filter valve |
| CN202188178U (en) * | 2011-07-18 | 2012-04-11 | 浙江盾安阀门有限公司 | Filtering check valve |
| CN103307352A (en) * | 2013-06-28 | 2013-09-18 | 台州阿尔法阀门有限公司 | Filter valve |
| CN204592548U (en) * | 2015-02-11 | 2015-08-26 | 泉州市东绿环保科技有限公司 | There is the water tap filtering water route |
| CN206103564U (en) * | 2016-09-26 | 2017-04-19 | 成都凯远流体控制工程有限公司 | High temperature gas filter |
| CN206434945U (en) * | 2017-01-06 | 2017-08-25 | 浙江汇丰阀门有限公司 | A kind of two-in-one strainer valve of Double-level Reticulated |
| CN207122631U (en) * | 2017-07-10 | 2018-03-20 | 玉环县传业阀门有限公司 | A kind of Filtering ball valve |
| CN207126270U (en) * | 2017-06-29 | 2018-03-23 | 杭州梦利达实业有限公司 | Gas filter |
| CN208535264U (en) * | 2018-06-06 | 2019-02-22 | 浙江盾运实业有限公司 | Combustion gas filter device |
-
2018
- 2018-06-06 CN CN201810574593.0A patent/CN108626458A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2568273Y (en) * | 2002-07-25 | 2003-08-27 | 陈云斌 | Water purifying filter net |
| CN2743014Y (en) * | 2004-07-15 | 2005-11-30 | 大港油田集团有限责任公司 | Fast opening type pipe line filter |
| CN101227961A (en) * | 2005-07-22 | 2008-07-23 | Ufi过滤股份公司 | Filter device for oil filtration |
| CN201921585U (en) * | 2011-01-19 | 2011-08-10 | 台州双林阀门制造有限公司 | Filter valve |
| CN202188178U (en) * | 2011-07-18 | 2012-04-11 | 浙江盾安阀门有限公司 | Filtering check valve |
| CN103307352A (en) * | 2013-06-28 | 2013-09-18 | 台州阿尔法阀门有限公司 | Filter valve |
| CN204592548U (en) * | 2015-02-11 | 2015-08-26 | 泉州市东绿环保科技有限公司 | There is the water tap filtering water route |
| CN206103564U (en) * | 2016-09-26 | 2017-04-19 | 成都凯远流体控制工程有限公司 | High temperature gas filter |
| CN206434945U (en) * | 2017-01-06 | 2017-08-25 | 浙江汇丰阀门有限公司 | A kind of two-in-one strainer valve of Double-level Reticulated |
| CN207126270U (en) * | 2017-06-29 | 2018-03-23 | 杭州梦利达实业有限公司 | Gas filter |
| CN207122631U (en) * | 2017-07-10 | 2018-03-20 | 玉环县传业阀门有限公司 | A kind of Filtering ball valve |
| CN208535264U (en) * | 2018-06-06 | 2019-02-22 | 浙江盾运实业有限公司 | Combustion gas filter device |
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