CN220268506U - Three-way ash conveying ball valve - Google Patents
Three-way ash conveying ball valve Download PDFInfo
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- CN220268506U CN220268506U CN202321580001.9U CN202321580001U CN220268506U CN 220268506 U CN220268506 U CN 220268506U CN 202321580001 U CN202321580001 U CN 202321580001U CN 220268506 U CN220268506 U CN 220268506U
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a three-way ash conveying ball valve, which comprises a valve body, a ball body, a valve rod, a valve cover and a transmission device, wherein the valve body is provided with an inlet channel and two outlet channels to form a three-way structure, and a ball body mounting port is arranged in the vertical direction of the intersection point of the central lines of the inlet channel and the two outlet channels of the valve body; the method is characterized in that: the inlet channel and the two outlet channels of the valve body form a Y-shaped structure, and angles between the center line of the inlet channel and the center lines of the two outlet channels are 135 degrees respectively; the valve body inlet channel and the two outlet channels are respectively embedded with a valve seat with a spherical sealing surface identical to the spherical valve cavity; the ball body is provided with a flow passage with the same diameter as the valve seat, and an angle of 135 degrees is arranged between the center line of an inlet and an outlet of the flow passage; the valve body is provided with a spherical valve cavity, the inner wall of the spherical valve cavity is in dynamic sealing fit with the surface of the sphere by adopting spray hard alloy grinding, and the valve cavity has no medium accumulation space, so that powder or ash is prevented from accumulating in the valve cavity to abrade the spherical surface. Has the advantages of reliable sealing performance, long service life and the like.
Description
Technical Field
The utility model belongs to the field of valves, and particularly relates to a three-way ball valve. The utility model is suitable for the ash material and powder medium pipelines in the fields of coal chemical industry, electric power, metallurgy, cement and the like.
Background
The traditional three-way ball valve is generally composed of a valve body, a ball body, a valve rod and a valve cover, wherein the valve body is composed of an inlet channel and two outlet channels, and valve seats matched with the ball surface of the ball body are respectively arranged between the inlet channel and the valve cavity and between the inlet channel and the valve cavity. The main disadvantages of the existing products are: when the valve cavity is used in the working condition of ash or powder media, the ash or powder media accumulated in the valve cavity easily abrade the surface of the ball body and the sealing surface of the valve seat, so that the sealing performance is affected, and the service life of the product is very short.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the three-way ash conveying ball valve which has the advantages of no medium accumulation space in the inner cavity of the valve body, capability of greatly reducing the abrasion of powder or ash medium to the sealing surfaces of the ball body and the valve seat, reliable sealing performance and long service life of products.
The technical scheme of the utility model is as follows:
a three-way ash conveying ball valve comprises a valve body, a ball body, a valve rod, a valve cover and a transmission device, wherein the valve body is provided with an inlet channel and two outlet channels to form a three-way structure, a ball body mounting port is arranged in the vertical direction of the intersection point of the central lines of the inlet channel and the two outlet channels of the valve body, and the valve cover is fixedly and hermetically arranged on the ball body mounting port; the method is characterized in that: the inlet channel and the two outlet channels of the valve body form a Y-shaped structure, and angles between the center line of the inlet channel and the center lines of the two outlet channels are 135 degrees respectively; the valve body is provided with a spherical valve cavity, and the inner wall of the spherical valve cavity is ground by adopting spray cemented carbide to form dynamic sealing fit with the surface of the sphere; the valve body inlet channel and the two outlet channels are respectively embedded with a valve seat with a spherical sealing surface identical to the spherical valve cavity; the ball body is provided with a flow passage with the same diameter as the valve seat, and an angle of 135 degrees is arranged between the center line of an inlet and an outlet of the flow passage; the valve rod and the ball body adopt an integrated structure, and the upper end of the valve rod is connected with the transmission device.
Preferably, the lower end of the valve cover is provided with a spherical curved surface matched with the sphere, and the spherical curved surface, the spherical valve cavity and the sealing surface of the valve seat form a spherical inner cavity matched with the surface of the sphere in a dynamic sealing way.
Preferably, the valve seat is mounted in the inlet channel and the two outlet channels respectively by connecting pipes, and a flexible ring and a compression ring are arranged between the valve seat and the flange end faces of the connecting pipes.
Compared with the prior art, the utility model has the beneficial effects that: the valve body is provided with a spherical valve cavity in movable sealing fit with the sphere, the valve cavity has no medium accumulation space, the abrasion of the spherical surface caused by accumulation of powder or ash in the valve cavity is avoided, and the valve has the advantages of reliable sealing performance, long service life and the like.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1 valve body, 2 spheroids, 3 import passageways, 4 connecting pipes, 5 clamping rings, 6 flexible rings, 7 disk seats, 8 first outlet passageways, 9 second outlet passageways.
Description of the embodiments
The three-way ash conveying ball valve shown in fig. 1 comprises a valve body 1, a ball body 2, a valve rod, a valve cover and a transmission device, wherein the valve body 1 is provided with an inlet channel 3, a first outlet channel 8 and a second outlet channel 9 to form a three-way structure, a ball body mounting opening is formed in the vertical direction of the intersection point of the central lines of the inlet channel 3, the first outlet channel 8 and the second outlet channel 9, the ball body 2 is arranged in the inner cavity of the valve body 1 from the ball body mounting opening, the valve cover is fixedly and hermetically arranged on the ball body mounting opening, and a sealing device and an anti-knocking device are arranged between the valve cover and the valve rod; the method is characterized in that: the angle between the center line of the inlet channel 3 of the valve body 1 and the center line of the first outlet channel 8 and the center line of the second outlet channel 9 is 135 degrees; the inner cavity of the valve body 1 is provided with a spherical valve cavity, and the inner wall of the spherical valve cavity is ground by adopting spray hard alloy to form dynamic sealing fit with the surface of the sphere 2, so that no gap exists between the inner cavity of the valve body 1 and the spherical surface of the sphere 2, the accumulation and abrasion of media in the inner cavity of the valve body 1 are avoided, the sealing reliability is improved, and the service life of a product is prolonged; the inlet channel 3 of the valve body 1, the first outlet channel 8 and the second outlet channel 9 are respectively embedded with a valve seat 7 with a spherical sealing surface with the same curved surface as the spherical valve cavity, namely the spherical sealing surface of the valve seat 7 and the spherical valve cavity of the valve body 1 have the same spherical diameter, and form a spherical inner cavity; the ball body 2 is provided with a flow passage with the same diameter as the valve seat 7, and an angle of 135 degrees is arranged between the center line of the inlet and the center line of the flow passage; the valve rod adopts an integrated structure with the sphere 2, and the upper end of the valve rod is connected with a transmission device, when the transmission device drives the valve rod and the sphere 2 to rotate anticlockwise to a limiting position, the inlet channel 3 is communicated with the first outlet channel 8, and when the transmission device rotates clockwise to the limiting position, the inlet channel 3 is communicated with the second outlet channel 9.
The lower end of the valve cover is provided with a spherical curved surface matched with the ball body 2, and the spherical curved surface, the spherical valve cavity and the sealing surface of the valve seat form a spherical inner cavity matched with the surface of the ball body 2 in a dynamic sealing way, so that the valve cover and the inner cavity of the valve body 1 form an integral spherical cavity matched with the ball body 2, and a medium is prevented from leaking into a gap between the valve cover and the ball body 2 through between the valve seat 7 and the ball body 2.
The valve seat 7 is arranged in the inlet channel 3, the first outlet channel 8 and the second outlet channel 9 by adopting the connecting pipe 4, a flexible circular ring 6 and a compression ring 5 are arranged between the valve seat 7 and the flange end face of the connecting pipe 4, the flexible circular ring 6 is positioned between the valve seat 7 and the compression ring 5, and the sealing surface of the valve seat 7 is elastically pressed and contacted with the surface of the sphere 2.
Claims (3)
1. The three-way ash conveying ball valve comprises a valve body (1), a ball body (2), a valve rod, a valve cover and a transmission device, wherein the valve body (1) is provided with an inlet channel (3), a first outlet channel (8) and a second outlet channel (9) to form a three-way structure, a ball body mounting port is arranged in the vertical direction of the intersection point of the central lines of the inlet channel (3), the first outlet channel (8) and the second outlet channel (9), and the valve cover is fixedly and hermetically mounted on the ball body mounting port; the method is characterized in that: the angle between the center line of the inlet channel (3) of the valve body (1) and the center line of the first outlet channel (8) and the center line of the second outlet channel (9) is 135 degrees; the inner cavity of the valve body (1) is provided with a spherical valve cavity, and the inner wall of the spherical valve cavity is ground by adopting spray cemented carbide to form dynamic seal fit with the surface of the sphere (2); the inlet channel (3), the first outlet channel (8) and the second outlet channel (9) are respectively embedded with a spherical sealing surface valve seat (7) with the same curved surface as the spherical valve cavity; the ball body (2) is provided with a flow passage with the same diameter as the valve seat (7), and an angle of 135 degrees is arranged between the inlet and outlet central lines of the flow passage; the valve rod and the ball body (2) adopt an integrated structure, and the upper end of the valve rod is connected with the transmission device.
2. The three-way ash conveying ball valve according to claim 1, wherein: the lower end of the valve cover is provided with a spherical curved surface matched with the ball body (2), and the spherical curved surface, a spherical valve cavity of the valve body (1) and a sealing surface of the valve seat (7) form a spherical inner cavity matched with the surface of the ball body (2) in a dynamic sealing way.
3. The three-way ash-conveying ball valve according to claim 1 or 2, characterized in that: the valve seat (7) is arranged in the inlet channel (3), the first outlet channel (8) and the second outlet channel (9) by adopting the connecting pipe (4), and a flexible circular ring (6) and a compression ring (5) are arranged between the valve seat (7) and the flange end face of the connecting pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580001.9U CN220268506U (en) | 2023-06-20 | 2023-06-20 | Three-way ash conveying ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321580001.9U CN220268506U (en) | 2023-06-20 | 2023-06-20 | Three-way ash conveying ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268506U true CN220268506U (en) | 2023-12-29 |
Family
ID=89318788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321580001.9U Active CN220268506U (en) | 2023-06-20 | 2023-06-20 | Three-way ash conveying ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268506U (en) |
-
2023
- 2023-06-20 CN CN202321580001.9U patent/CN220268506U/en active Active
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