CN212775634U - Special two-way soft sealing flange butterfly valve of sea water - Google Patents
Special two-way soft sealing flange butterfly valve of sea water Download PDFInfo
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- CN212775634U CN212775634U CN202021624124.4U CN202021624124U CN212775634U CN 212775634 U CN212775634 U CN 212775634U CN 202021624124 U CN202021624124 U CN 202021624124U CN 212775634 U CN212775634 U CN 212775634U
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Abstract
The utility model relates to a special two-way soft sealing flange butterfly valve of sea water, including valve body and valve plate, the interior external surface of valve body all is provided with anti-corrosion coating, the inside seal face welding of valve body has sealed piece, the one end that the valve plate is close to sealed piece is provided with rubber seal, rubber seal's side is provided with the clamping ring, the thread groove has all been seted up at one side both ends that the valve plate is close to sealed piece, be provided with corresponding fixing bolt in the thread groove, fixing bolt run through the clamping ring and with thread groove threaded connection, rubber seal passes through the clamping ring and fixes on the valve plate. The utility model discloses a department welding seal piece at the sealed face of valve body to at sealed inboard fixed rubber seal of clamping ring that uses of face, can play the double-deck sealed effect of valve body, and set up the modified epoxy coating of thick liquid type, can effectively strengthen corrosion resistance, increase the life of valve.
Description
Technical Field
The utility model belongs to the technical field of the flange butterfly valve, concretely relates to special two-way soft sealing flange butterfly valve of sea water.
Background
The butterfly valve is a regulating valve with a relatively simple structure, and is generally mainly used for cutting off or throttling various types of fluids such as water, various corrosive media, slurry, oil, liquid metal and the like in a pipeline. On the sea water medium pipeline of trades such as petroleum, chemical industry, electric power, sea water desalination, the butterfly valve that usually uses is the central line lining rubber butterfly valve, nevertheless because long-term use in corrosive fluids, valve body itself can receive the corruption and influence life to long-time corruption also can lead to the inside leakproofness variation of valve body, the phenomenon that takes place the infiltration, influences the use.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and providing a special bidirectional soft sealing flange butterfly valve for seawater, which has good sealing effect, high corrosion resistance and long service life.
The utility model adopts the technical proposal that: a bidirectional soft sealing flange butterfly valve special for seawater comprises a valve body and a valve plate, wherein the valve plate is positioned inside the valve body, an upper valve rod and a lower valve rod are installed inside the valve body, bolts are arranged at the lower end of the upper valve rod and the upper end of the lower valve rod respectively, the upper valve rod and the lower valve rod are connected with the valve plate through corresponding bolts respectively, a driving device is installed at the upper part of the valve body, a hand wheel is installed on the side surface of the driving device, the upper end of the upper valve rod is in transmission connection with the driving device, the lower end of the lower valve rod is installed in the valve body through a bearing, a sealing base is fixedly installed at the bottom end of the valve body, a left cavity and a right cavity are arranged inside the valve body, and;
the utility model discloses a valve, including valve plate, sealing layer, clamping ring, valve plate, sealing layer, valve plate, sealing ring, clamping ring, thread groove, fixing bolt, sealing ring passes through the clamping ring and fixes on the valve plate, the interior external surface of valve body all is provided with anti-corrosion coating, the sealed face welding of inside of valve body has the sealing layer, the one end that the valve plate is close to the sealing layer is provided with rubber seal, rubber seal's side is provided with the clamping ring, the thread groove has all been seted up at one side.
Preferably, the anti-corrosion layer is a thick paste type modified epoxy resin coating, and the thickness of the anti-corrosion layer is not less than 350 microns.
Preferably, the sealing layer is an ER2209 type duplex stainless steel layer.
Preferably, the valve plate and the valve body are both designed by adopting nichrome nodular cast iron.
Preferably, the valve plate is a double-plate truss flow-through valve plate.
Preferably, the output shaft of the hand wheel is connected with the upper end of the upper valve rod through a driving device.
The utility model has the advantages that: the utility model discloses a sealing face department welding seal layer at the valve body to at the inboard fixed rubber seal of clamping ring that uses of sealed face, can play the double-deck sealed effect of valve body, the sealed effect of reinforcing, and adopt ER2209 type duplex stainless steel sealing layer and set up thick liquid type modified epoxy coating at the valve body internal and external surface, can effectively strengthen the corrosion resistance of valve body itself and sealed face department, prevent because the phenomenon that the corruption leads to the leakproofness variation and the infiltration appears, increase the life of valve.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. the valve comprises a valve body 2, a valve plate 3, an upper valve rod 4, a lower valve rod 5, a bolt 6, a driving device 7, a hand wheel 8, a sealing base 9, a left chamber 10, a right chamber 11, an anti-corrosion layer 12, a sealing layer 13, a rubber sealing ring 14, a pressing ring 15, a thread groove 16 and a fixing bolt.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention, and are specifically described below with reference to the embodiments.
Example 1
As shown in fig. 1 and 2, the utility model discloses a valve body 1 and valve plate 2, valve plate 2 is located the inside of valve body 1, the internally mounted of valve body 1 has upper valve rod 3 and lower valve rod 4, the lower extreme of upper valve rod 3 and the upper end of lower valve rod 4 all are provided with bolt 5, upper valve rod 3 and lower valve rod 4 are connected with valve plate 2 through corresponding bolt 5 respectively, drive arrangement 6 is installed on the upper portion of valve body 1, the side of drive arrangement 6 is installed with hand wheel 7, the upper end of upper valve rod 3 is connected with drive arrangement 6 in the transmission, the lower extreme of lower valve rod 4 is installed in valve body 1 through the bearing, the bottom fixed mounting of valve body 1 has sealing base 8, the inside left cavity 9 and the right cavity 10 that are provided with of valve body 1, left cavity 9 and right cavity 10 are located the both sides of valve plate 2 respectively;
the utility model discloses a valve plate, including valve body 1, valve plate 2, sealing layer 12, clamping ring 15, fixing bolt 16 runs through clamping ring 14 and 15 threaded connection with the thread groove, sealing layer 13 passes through clamping ring 14 to be fixed on valve plate 2, and the sealing layer 11 is connected to the inside and outside surface of valve body 1, the inside seal face welding of valve body 1 has sealing layer 12, the one end that valve plate 2 is close to sealing layer 12 is provided with rubber seal 13, rubber seal 13's side is provided with clamping ring 14, thread groove 15 has all been seted up at one side both ends that valve plate 2 is close to sealing layer 12.
When the special bidirectional soft sealing flange butterfly valve is used, the hand wheel 7 is rotated, the upper valve rod 3 is driven to rotate by 90 degrees through the driving device 6 to open and close the valve, various types of fluids such as water, various corrosive media, slurry, oil, liquid metal and the like can pass through the pipeline, the sealing layer 12 is welded at the sealing surface of the valve body 1, the rubber sealing ring 13 is fixed on the inner side of the sealing surface through the pressing ring 14, the double-layer sealing effect on the valve body 1 can be achieved, the sealing effect is enhanced, the anti-corrosion layer 11 is arranged on the inner surface and the outer surface of the valve body 1, the corrosion resistance of the valve body 1 and the corrosion resistance of the sealing surface can be effectively enhanced, the phenomenon that water seepage occurs due to the fact that the sealing performance is poor caused by.
Example 2
As shown in fig. 1 and 2, the utility model discloses a valve body 1 and valve plate 2, valve plate 2 is located the inside of valve body 1, the internally mounted of valve body 1 has upper valve rod 3 and lower valve rod 4, the lower extreme of upper valve rod 3 and the upper end of lower valve rod 4 all are provided with bolt 5, upper valve rod 3 and lower valve rod 4 are connected with valve plate 2 through corresponding bolt 5 respectively, drive arrangement 6 is installed on the upper portion of valve body 1, the side of drive arrangement 6 is installed with hand wheel 7, the upper end of upper valve rod 3 is connected with drive arrangement 6 in the transmission, the lower extreme of lower valve rod 4 is installed in valve body 1 through the bearing, the bottom fixed mounting of valve body 1 has sealing base 8, the inside left cavity 9 and the right cavity 10 that are provided with of valve body 1, left cavity 9 and right cavity 10 are located the both sides of valve plate 2 respectively;
the utility model discloses a valve plate, including valve body 1, valve plate 2, sealing layer 12, clamping ring 15, fixing bolt 16 runs through clamping ring 14 and 15 threaded connection with the thread groove, sealing layer 13 passes through clamping ring 14 to be fixed on valve plate 2, and the sealing layer 11 is connected to the inside and outside surface of valve body 1, the inside seal face welding of valve body 1 has sealing layer 12, the one end that valve plate 2 is close to sealing layer 12 is provided with rubber seal 13, rubber seal 13's side is provided with clamping ring 14, thread groove 15 has all been seted up at one side both ends that valve plate 2 is close to sealing layer 12.
For better effect, the anti-corrosion layer 11 is a thick paste type modified epoxy resin coating, and the thickness of the anti-corrosion layer is not less than 350 μm, so that the valve body 1 has high corrosion resistance.
For better effect, the sealing layer 12 is an ER2209 type duplex stainless steel layer and has good corrosion resistance.
For better effect, valve plate 2 and valve body 1 all adopt nichrome nodular cast iron to design and form, and firm and corrosion resistance is good.
For better effect, the valve plate 2 is a double-flat plate truss flow-through valve plate.
For better effect, the output shaft of the hand wheel 7 is connected with the upper end of the upper valve rod 3 through the driving device 6, the hand wheel 7 is used for controlling the driving device 6 to rotate, and the opening and closing of the valve are realized by driving the upper valve rod 3 to rotate by 90 degrees through the driving device 6.
When the bidirectional soft sealing flange butterfly valve is used, the hand wheel 7 is rotated, the upper valve rod 3 is driven to rotate by 90 degrees through the driving device 6 to open and close the valve, various types of fluids such as water, various corrosive media, slurry, oil, liquid metal and the like can pass through the pipeline, the sealing layer 12 is welded at the sealing surface of the valve body 1, the rubber sealing ring 13 is fixed on the inner side of the sealing surface through the pressing ring 14, the double-layer sealing effect on the valve body 1 can be achieved, the sealing effect is enhanced, the ER2209 type double-phase stainless steel sealing layer 12 is adopted, the thick slurry type modified epoxy resin coating is arranged on the inner surface and the outer surface of the valve body 1, the corrosion resistance of the valve body 1 and the corrosion resistance of the sealing surface can be effectively enhanced, the phenomenon of water seepage caused by poor sealing performance due to fluid corrosion is prevented.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a special two-way soft sealing flange butterfly valve of sea water, includes valve body and valve plate, the valve plate is located the inside of valve body, its characterized in that: an upper valve rod and a lower valve rod are arranged inside the valve body, bolts are arranged at the lower end of the upper valve rod and the upper end of the lower valve rod, the upper valve rod and the lower valve rod are respectively connected with a valve plate through corresponding bolts, a driving device is arranged at the upper part of the valve body, a hand wheel is arranged on the side surface of the driving device, the upper end of the upper valve rod is in transmission connection with the driving device, the lower end of the lower valve rod is arranged in the valve body through a bearing, a sealing base is fixedly arranged at the bottom end of the valve body, a left cavity and a right cavity are arranged inside the valve body, and the left cavity and the right cavity are respectively;
the utility model discloses a valve, including valve plate, sealing layer, clamping ring, valve plate, sealing layer, valve plate, sealing ring, clamping ring, thread groove, fixing bolt, sealing ring passes through the clamping ring and fixes on the valve plate, the interior external surface of valve body all is provided with anti-corrosion coating, the sealed face welding of inside of valve body has the sealing layer, the one end that the valve plate is close to the sealing layer is provided with rubber seal, rubber seal's side is provided with the clamping ring, the thread groove has all been seted up at one side.
2. The seawater special bidirectional soft sealing flange butterfly valve according to claim 1, characterized in that: the anti-corrosion layer is a thick paste type modified epoxy resin coating, and the thickness of the anti-corrosion layer is not less than 350 mu m.
3. The seawater special bidirectional soft sealing flange butterfly valve according to claim 1, characterized in that: the sealing layer is an ER2209 type duplex stainless steel layer.
4. The seawater special bidirectional soft sealing flange butterfly valve according to claim 1, characterized in that: the valve plate and the valve body are both designed by adopting nichrome nodular cast iron.
5. The seawater special bidirectional soft sealing flange butterfly valve according to claim 1, characterized in that: the valve plate is a double-flat-plate truss flow-through valve plate.
6. The seawater special bidirectional soft sealing flange butterfly valve according to claim 1, characterized in that: and an output shaft of the hand wheel is connected with the upper end of the upper valve rod through a driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021624124.4U CN212775634U (en) | 2020-08-07 | 2020-08-07 | Special two-way soft sealing flange butterfly valve of sea water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021624124.4U CN212775634U (en) | 2020-08-07 | 2020-08-07 | Special two-way soft sealing flange butterfly valve of sea water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212775634U true CN212775634U (en) | 2021-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021624124.4U Active CN212775634U (en) | 2020-08-07 | 2020-08-07 | Special two-way soft sealing flange butterfly valve of sea water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212775634U (en) |
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2020
- 2020-08-07 CN CN202021624124.4U patent/CN212775634U/en active Active
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