CN111649141A - Novel slag collecting butterfly valve - Google Patents
Novel slag collecting butterfly valve Download PDFInfo
- Publication number
- CN111649141A CN111649141A CN202010660240.XA CN202010660240A CN111649141A CN 111649141 A CN111649141 A CN 111649141A CN 202010660240 A CN202010660240 A CN 202010660240A CN 111649141 A CN111649141 A CN 111649141A
- Authority
- CN
- China
- Prior art keywords
- valve
- liquid outlet
- butterfly
- butterfly plate
- 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.)
- Granted
Links
- 239000002893 slag Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims description 44
- 239000007787 solid Substances 0.000 abstract description 16
- 238000011010 flushing procedure Methods 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012459 cleaning agent Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 9
- 238000000746 purification Methods 0.000 description 6
- 238000011001 backwashing Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
-
- 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
-
- 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)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a novel slag collecting butterfly valve which comprises a driving device, a liquid outlet device, a valve body, a valve rod and a butterfly plate, wherein the driving device, the liquid outlet device, the valve body, the valve rod and the butterfly plate are sequentially connected; the butterfly plate is provided with a shaft sleeve, the valve rod transversely penetrates through the liquid outlet device and the shaft sleeve and is connected with the driving device, a filter screen is arranged on the butterfly plate, the valve body is provided with an inflating nozzle and a sealing ring communicated with the inflating nozzle, and the sealing ring is arranged on the inner wall of the valve body. The butterfly plate is of a hollow structure and is provided with a cavity, and the filter screen comprises three filter layers which are stacked in sequence. Three filter layers with different filter precisions on the slag collecting butterfly valve can ensure that water flows out quickly and simultaneously realize solid particle recovery; the valve rod and the butterfly plate with the hollow structure can not only discharge water, but also be used for providing a channel of high-pressure gas or high-pressure cleaning agent for back flushing or back flushing; the valve body inner wall is equipped with inflatable sealing washer, can aerify the use after the butterfly plate is closed, keeps good leakproofness, and the durability is stronger.
Description
Technical Field
The invention relates to the technical field of butterfly valve valves, in particular to a novel slag collecting butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The bottom of the filtering equipment is generally provided with a butterfly valve, and after the filtering equipment completes the filtering and separating task, the butterfly valve is opened to discharge solid impurities or slurry intercepted in the filtering equipment. For some filters with special requirements, the slurry in the filter needs to be collected intensively.
At present, the most common means is to press the trapped fluid after filtration and then recover solid particles, so that not only multiple devices are required to operate simultaneously to cause resource waste, but also technical personnel are required to maintain each device simultaneously, which wastes time and labor. If reform transform the butterfly valve of filter bottom, utilize the butterfly valve to accomplish the sediment function of collection, realize that the solid is retrieved not only can save the equipment quantity, can also accomplish simultaneously on a machine and filter the separation and the solid task of retrieving.
In view of the above, there is a need for an improved butterfly valve in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a novel slag collecting butterfly valve, wherein a filter screen is fixed on a butterfly plate and used for filtering water in slag slurry and supporting the slag slurry, the butterfly plate and a valve rod are both of a hollow structure and can be used for circulating liquid, and the butterfly plate and the filter screen on the butterfly plate can be subjected to back flushing or back flushing through the hollow structure so as to be convenient for recovering solid particles, so that the filter screen can be repeatedly used.
In order to achieve the purpose, the invention provides a novel slag collecting butterfly valve which comprises a driving device, a liquid outlet device, a valve body, a valve rod and a butterfly plate which are sequentially connected; the butterfly plate is provided with a shaft sleeve, the valve rod transversely penetrates through the liquid outlet device and the shaft sleeve and is connected with the driving device, a filter screen is arranged on the butterfly plate, the valve body is provided with an inflating nozzle and a sealing ring communicated with the inflating nozzle, and the sealing ring is arranged on the inner wall of the valve body.
In some embodiments, the butterfly plate is a hollow structure and is formed with a cavity, and the filter screen comprises a first filter layer, a second filter layer and a third filter layer which are sequentially stacked.
In some embodiments, the first filtration layer has a filtration precision of 0.01mm to 1mm, and the second filtration layer has a filtration precision of 1mm to 5 mm; the filtering precision of the third filtering layer is 0.001 mm-0.01 mm.
In some embodiments, the valve rod is a hollow structure with two closed end faces, the valve rod is provided with a plurality of liquid inlets, and the liquid inlets are communicated with the cavity.
In some embodiments, the boss apex is located on an extended face of the upper surface of the filter screen.
In some embodiments, the liquid outlet device comprises a bearing seat, a bearing matched with the bearing seat, and a liquid outlet pipe communicated with the bearing seat; the bearing is matched with the valve rod, the bearing seat is provided with a closed cavity, the liquid outlet pipe is communicated with the closed cavity, the valve rod is further provided with a liquid outlet hole, the liquid outlet hole is communicated with the closed cavity, and the two ends of the bearing seat are respectively provided with the bearing.
In some embodiments, the liquid outlet means is disposed intermediate the drive means and the valve body.
In some embodiments, the sealing ring is made of an elastic air bag and is used for sealing the disc plate and the valve body after being inflated.
Compared with the prior art, the invention has the beneficial effects that: (1) the filter screen is fixed on the butterfly plate, so that the slurry can be supported, large slurry solids are prevented from being accumulated on one side of the butterfly plate, the stress of the butterfly plate is prevented from being influenced, and the slag collection is realized; (2) three filter layers with different filter precisions can ensure that the water flows out quickly and simultaneously realize the recovery of solid particles; (3) the valve rod and the butterfly plate with the hollow structure can not only discharge water, but also be used for providing a channel of high-pressure gas or high-pressure cleaning agent for back flushing or back flushing, and the butterfly valve is compact in overall structure and convenient to install; (4) the valve body inner wall is equipped with inflatable sealing washer, can aerify the use after the butterfly plate is closed, keeps good leakproofness, and the durability is stronger.
Drawings
FIG. 1 is a schematic view of a slag collection butterfly valve shown in embodiment 1 of the invention;
FIG. 2 is a schematic view of a liquid outlet device shown in embodiment 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of a butterfly plate according to the present invention;
FIG. 4 is a schematic view of a slag collection butterfly valve shown in embodiment 2 of the invention;
fig. 5 is a schematic view of a liquid outlet device in embodiment 2 of the present invention.
Description of reference numerals: 1. a hand wheel; 2. a drive device; 3. a liquid outlet device; 31. a bearing; 32. a bearing seat; 33. sealing the cavity; 4. a liquid outlet pipe; 5. a valve body; 6. a shaft sleeve; 7. a butterfly plate; 8. a filter screen; 81. a first filter layer; 82. a second filter layer; 83. a third filter layer; 9. a bolt; 10. a seal ring; 11. an air charging nozzle; 12. a valve stem; 121. a liquid outlet hole; 122. and (4) a liquid inlet.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Example 1
As shown in fig. 1-3, a novel slag collecting butterfly valve comprises a driving device 2, a liquid outlet device 3, a valve body 5, a valve rod 12 and a butterfly plate 7 which are connected in sequence; the butterfly plate 7 is equipped with axle sleeve 6, valve rod 12 crosses liquid device 3 and axle sleeve 6 and is connected with drive arrangement 2, be provided with filter screen 8 on the butterfly plate 7, be equipped with charging connector 11 and the sealing washer 10 with charging connector 11 intercommunication on the valve body 5, sealing washer 10 arranges on the 5 inner walls of valve body, filter screen 8 sets up and meets sediment thick liquid one side at butterfly plate 7.
In this embodiment, the liquid outlet device 3 is arranged between the driving device 2 and the valve body 5, and in other embodiments, the liquid outlet devices 3 may be arranged at the bottom of the valve body 5 and between the valve body 5 and the driving device 2, one is used for liquid outlet, and the other is used for back flushing or back washing.
The valve rod 12 is of a hollow structure with two closed end faces, the valve rod 12 is provided with a plurality of liquid inlets 122, the butterfly plate 7 is of a hollow structure and is formed with a cavity, and the liquid inlets 122 are communicated with the cavity. The top point of the shaft sleeve 6 is positioned on the extension surface of the upper surface of the filter screen 8.
The liquid outlet device 3 comprises a bearing seat 32, a bearing 31 matched with the bearing seat 32 and a liquid outlet pipe 4 communicated with the bearing seat 32; bearing 31 and the cooperation of valve rod 12, bearing frame 32 is formed with airtight cavity 33, drain pipe 4 and airtight cavity 33 intercommunication, liquid hole 121 has still been seted up on valve rod 12, liquid hole 121 and airtight cavity 33 intercommunication, bearing frame 32 both ends all are equipped with bearing 31.
When the butterfly valve is used specifically, the hand wheel 1 is rotated to drive the gear in the driving device 2 to rotate, and the meshing of the gear drives the valve rod 12 to rotate, so that the butterfly plate 7 is driven to rotate around the valve rod 12 to open and close the butterfly valve. The driving device 2 is a manual device and is driven by the hand wheel 1, and in other embodiments, the driving device 2 can be designed to be in an electric mode, so that the hand wheel 1 is omitted.
The sealing ring 10 is made of an elastic air bag and is used for sealing the disc plate 7 and the valve body 5 after being inflated. When the butterfly valve is opened, the sealing ring 10 is deflated, and then the butterfly plate 7 is opened.
In a typical filter or other purification apparatus, the side on which the filter screen 8 is disposed faces the inside of the filter or other purification apparatus, and meets slurry in the filter or other purification apparatus. The filter net 8 comprises a first filter layer 81, a second filter layer 82 and a third filter layer 83 which are stacked in sequence.
The filtering precision of the first filtering layer 81 is 0.01mm, and the filtering precision of the second filtering layer 82 is 1 mm; the filtering precision of the third filtering layer 83 is 0.001 mm. The second filtering layer 82 has filtering precision larger than that of the first filtering layer 81, can quickly discharge moisture, slightly larger solids are concentrated on the first filtering layer 81, fine solids are concentrated on the third filtering layer 83, large-particle solids on the first filtering layer 81 are collected by a scraper, and small-particle solids in the third filtering layer 83 are collected by blowback.
In the embodiment, the shaft sleeve 6 is fixed by the bolt 9 and the butterfly plate 7, and both ends of the shaft sleeve 6 are also provided with a bearing and a bearing seat.
The liquid outlet pipe 4 can not only discharge liquid, but also be communicated with a high-pressure gas pipe or a cleaning tank with a high-pressure cleaning agent for back flushing or back washing.
Example 2
As shown in fig. 3-5, a novel slag-collecting butterfly valve comprises a driving device 2, a liquid outlet device 3, a valve body 5, a valve rod 12 and a butterfly plate 7 which are connected in sequence; the butterfly plate 7 is equipped with axle sleeve 6, valve rod 12 crosses liquid device 3 and axle sleeve 6 and is connected with drive arrangement 2, be provided with filter screen 8 on the butterfly plate 7, be equipped with charging connector 11 and the sealing washer 10 with charging connector 11 intercommunication on the valve body 5, sealing washer 10 arranges on the 5 inner walls of valve body, filter screen 8 sets up and meets sediment thick liquid one side at butterfly plate 7.
The liquid outlet device 3 is arranged at the bottom of the valve body 5.
The valve rod 12 is of a hollow structure with two closed end faces, the valve rod 12 is provided with a plurality of liquid inlets 122, the butterfly plate 7 is of a hollow structure and is formed with a cavity, and the liquid inlets 122 are communicated with the cavity. The top point of the shaft sleeve 6 is positioned on the extension surface of the upper surface of the filter screen 8.
The liquid outlet device 3 comprises a bearing seat 32, a bearing 31 matched with the bearing seat 32 and a liquid outlet pipe 4 communicated with the bearing seat 32; bearing 31 and the cooperation of valve rod 12, bearing frame 32 is formed with airtight cavity 33, drain pipe 4 and airtight cavity 33 intercommunication, liquid hole 121 has still been seted up on valve rod 12, liquid hole 121 and airtight cavity 33 intercommunication, bearing frame 32 both ends all are equipped with bearing 31.
When the butterfly valve is used specifically, a gear in the driving device 2 is driven to rotate through a motor, and the meshing of the gear drives the valve rod 12 to rotate, so that the butterfly plate 7 is driven to rotate around the valve rod 12 to open and close the butterfly valve. The driving device 2 of the embodiment is in an electric mode, and the hand wheel 1 in embodiment 1 is omitted.
The sealing ring 10 is made of an elastic air bag and is used for sealing the disc plate 7 and the valve body 5 after being inflated. When the butterfly valve is opened, the sealing ring 10 is deflated, and then the butterfly plate 7 is opened.
In a typical filter or other purification apparatus, the side on which the filter screen 8 is disposed faces the inside of the filter or other purification apparatus, and meets slurry in the filter or other purification apparatus. The filter net 8 comprises a first filter layer 81, a second filter layer 82 and a third filter layer 83 which are stacked in sequence.
The filtering precision of the first filtering layer 81 is 1mm, and the filtering precision of the second filtering layer 82 is 5 mm; the filtering precision of the third filtering layer 83 is 0.01 mm. The second filtering layer 82 has filtering precision larger than that of the first filtering layer 81, can quickly discharge moisture, slightly larger solids are concentrated on the first filtering layer 81, fine solids are concentrated on the third filtering layer 83, large-particle solids on the first filtering layer 81 are collected by a scraper, and small-particle solids in the third filtering layer 83 are collected by blowback.
In the embodiment, the shaft sleeve 6 is fixed by the bolt 9 and the butterfly plate 7, and both ends of the shaft sleeve 6 are also provided with a bearing and a bearing seat.
The liquid outlet pipe 4 can not only discharge liquid, but also be communicated with a high-pressure gas pipe or a cleaning tank with a high-pressure cleaning agent for back flushing or back washing.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A novel slag collecting butterfly valve is characterized by comprising a driving device, a liquid outlet device, a valve body, a valve rod and a butterfly plate which are connected in sequence; the butterfly plate is provided with a shaft sleeve, the valve rod transversely penetrates through the liquid outlet device and the shaft sleeve and is connected with the driving device, a filter screen is arranged on the butterfly plate, the valve body is provided with an inflating nozzle and a sealing ring communicated with the inflating nozzle, and the sealing ring is arranged on the inner wall of the valve body.
2. The novel slag collecting butterfly valve according to claim 1, wherein the butterfly plate is hollow and forms a cavity, and the filter screen comprises a first filter layer, a second filter layer and a third filter layer which are stacked in sequence.
3. The novel slag collecting butterfly valve according to claim 2, wherein the filtering precision of the first filtering layer is 0.01 mm-1 mm, and the filtering precision of the second filtering layer is 1 mm-5 mm; the filtering precision of the third filtering layer is 0.001 mm-0.01 mm.
4. The novel slag collecting butterfly valve as claimed in claim 2, wherein the valve rod is a hollow structure with two closed end faces, the valve rod is provided with a plurality of liquid inlets, and the liquid inlets are communicated with the cavity.
5. The novel slag trap butterfly valve of claim 1, wherein the apex of the sleeve is located on an extended surface of the upper surface of the filter screen.
6. The novel slag collecting butterfly valve as claimed in claim 1, wherein the liquid outlet device comprises a bearing seat, a bearing matched with the bearing seat, and a liquid outlet pipe communicated with the bearing seat; the bearing is matched with the valve rod, the bearing seat is provided with a closed cavity, the liquid outlet pipe is communicated with the closed cavity, the valve rod is further provided with a liquid outlet hole, the liquid outlet hole is communicated with the closed cavity, and the two ends of the bearing seat are respectively provided with the bearing.
7. The novel slag collecting butterfly valve as claimed in claim 1, wherein the liquid outlet device is arranged between the driving device and the valve body.
8. The novel slag collecting butterfly valve as claimed in claim 1, wherein the sealing ring is made of an elastic air bag and is used for sealing the disc plate and the valve body after being inflated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660240.XA CN111649141B (en) | 2020-07-10 | 2020-07-10 | Novel slag collecting butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660240.XA CN111649141B (en) | 2020-07-10 | 2020-07-10 | Novel slag collecting butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111649141A true CN111649141A (en) | 2020-09-11 |
| CN111649141B CN111649141B (en) | 2024-08-16 |
Family
ID=72345916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010660240.XA Active CN111649141B (en) | 2020-07-10 | 2020-07-10 | Novel slag collecting butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111649141B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013242022A (en) * | 2012-05-22 | 2013-12-05 | Taiho Kogyo Co Ltd | Valve assembly |
| CN103603959A (en) * | 2013-11-30 | 2014-02-26 | 天津思容阀门有限公司 | Corrosion-resistant butterfly valve |
| CN104776232A (en) * | 2015-03-26 | 2015-07-15 | 苏州福润机械有限公司 | Solar intelligent valve for solar water heater |
| CN205689773U (en) * | 2016-06-08 | 2016-11-16 | 浙江利尔多阀门有限公司 | A kind of fluorine lining butterfly valve |
| CN106195302A (en) * | 2016-08-31 | 2016-12-07 | 山东益华燃气设备有限公司 | The slide valve that a kind of band filters |
| CN206543455U (en) * | 2017-03-15 | 2017-10-10 | 广州市佳福斯阀门制造有限公司 | Automatic backwashing filter |
| CN207848431U (en) * | 2017-11-23 | 2018-09-11 | 天津卡尔斯阀门股份有限公司 | A kind of filtering butterfly valve |
| CN210318759U (en) * | 2019-06-26 | 2020-04-14 | 铜陵市金鑫人防工程防护设备有限公司 | Manual double-connecting-rod airtight valve for civil air defense engineering |
| CN210770281U (en) * | 2019-08-12 | 2020-06-16 | 南安市丽迪家居用品有限公司 | Stainless steel butterfly valve with filtering and sterilizing functions |
| CN212509574U (en) * | 2020-07-10 | 2021-02-09 | 飞潮（无锡）过滤技术有限公司 | Novel slag collecting butterfly valve |
-
2020
- 2020-07-10 CN CN202010660240.XA patent/CN111649141B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013242022A (en) * | 2012-05-22 | 2013-12-05 | Taiho Kogyo Co Ltd | Valve assembly |
| CN103603959A (en) * | 2013-11-30 | 2014-02-26 | 天津思容阀门有限公司 | Corrosion-resistant butterfly valve |
| CN104776232A (en) * | 2015-03-26 | 2015-07-15 | 苏州福润机械有限公司 | Solar intelligent valve for solar water heater |
| CN205689773U (en) * | 2016-06-08 | 2016-11-16 | 浙江利尔多阀门有限公司 | A kind of fluorine lining butterfly valve |
| CN106195302A (en) * | 2016-08-31 | 2016-12-07 | 山东益华燃气设备有限公司 | The slide valve that a kind of band filters |
| CN206543455U (en) * | 2017-03-15 | 2017-10-10 | 广州市佳福斯阀门制造有限公司 | Automatic backwashing filter |
| CN207848431U (en) * | 2017-11-23 | 2018-09-11 | 天津卡尔斯阀门股份有限公司 | A kind of filtering butterfly valve |
| CN210318759U (en) * | 2019-06-26 | 2020-04-14 | 铜陵市金鑫人防工程防护设备有限公司 | Manual double-connecting-rod airtight valve for civil air defense engineering |
| CN210770281U (en) * | 2019-08-12 | 2020-06-16 | 南安市丽迪家居用品有限公司 | Stainless steel butterfly valve with filtering and sterilizing functions |
| CN212509574U (en) * | 2020-07-10 | 2021-02-09 | 飞潮（无锡）过滤技术有限公司 | Novel slag collecting butterfly valve |
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| Publication number | Publication date |
|---|---|
| CN111649141B (en) | 2024-08-16 |
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