CN216382634U - Wear-resistant corrosion-resistant gate valve special for high-temperature viscous medium - Google Patents
Wear-resistant corrosion-resistant gate valve special for high-temperature viscous medium Download PDFInfo
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- CN216382634U CN216382634U CN202122514189.4U CN202122514189U CN216382634U CN 216382634 U CN216382634 U CN 216382634U CN 202122514189 U CN202122514189 U CN 202122514189U CN 216382634 U CN216382634 U CN 216382634U
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Abstract
The utility model provides a special wear-resistant corrosion-resistant gate valve for high-temperature viscous media, which comprises a valve body, an installation valve cover, a valve neck, a packing gland, a connecting pipe, a connecting flange, a sealing gasket, a conducting pipeline and a hand wheel, wherein: the mounting valve cover is mounted above the valve body through bolts, the valve neck is welded above the mounting valve cover, and the packing gland is mounted above the valve neck through bolts; the connecting pipes are welded at two ends of the valve body, the connecting flanges are welded at one ends of the connecting pipes, and the sealing gasket is pressed between the connecting flanges and is installed through bolts; the conducting pipeline is welded on the surface of the connecting flange, and the hand wheel is embedded in the packing gland. The valve body, the connecting pipe and the sealing gasket are arranged, so that the sealing performance is strong, and the valve body is not easy to corrode.
Description
Technical Field
The utility model belongs to the technical field of gate valves, and particularly relates to a wear-resistant corrosion-resistant gate valve special for a high-temperature viscous medium.
Background
The gate valve is a shutter plate, the moving direction of which is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, but cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.
When the gate valve is closed, the sealing surface can be sealed only by medium pressure, namely, the sealing surface of the gate plate is pressed to the valve seat on the other side by the medium pressure to ensure the sealing of the sealing surface, namely, the gate valve is self-sealed. Most gate valves adopt forced sealing, namely when the valve is closed, the gate plate is forced to press towards the valve seat by means of external force so as to ensure the sealing performance of the sealing surface, but the existing gate valves still have the problems of poor sealing performance and easy corrosion.
Therefore, the utility model of the wear-resistant corrosion-resistant gate valve special for the high-temperature viscous medium is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a special wear-resistant corrosion-resistant gate valve for a high-temperature viscous medium, which aims to solve the problems that the existing gate valve is poor in sealing performance and easy to corrode. The utility model provides a special wear-resisting corrosion-resistant gate valve of thick medium of high temperature, includes the valve body, installs the valve gap, the valve neck, gland, and the connecting pipe, flange, sealed the pad, leads to pipeline and hand wheel, wherein: the mounting valve cover is mounted above the valve body through bolts, the valve neck is welded above the mounting valve cover, and the packing gland is mounted above the valve neck through bolts; the connecting pipes are welded at two ends of the valve body, the connecting flanges are welded at one ends of the connecting pipes, and the sealing gasket is pressed between the connecting flanges and is installed through bolts; the conducting pipeline is welded on the surface of the connecting flange, and the hand wheel is embedded in the packing gland.
The valve body comprises a supporting shell, a valve plate, a valve rod and a driving thread, the valve plate is embedded in the supporting shell, and the valve rod is installed in the valve plate through the driving thread; the driving thread is arranged on the surface of the valve rod, and the valve rod is connected with the hand wheel.
The connecting pipe comprises a supporting pipe, an outer side protective layer, a reinforcing rib and an inner protective layer, wherein the outer side protective layer is wrapped on the outer side of the supporting pipe, and the reinforcing rib is embedded in the supporting pipe; the inner protective layer is bonded to the inner surface of the support tube.
The valve body adopts a stainless steel metal shell, a corrosion-resistant layer supported by polytetrafluoroethylene is bonded inside the valve body, and a slot consistent with the valve plate is formed inside the valve body; the inside fluting of valve body can make the valve plate carry out ascending removal in its inside vertical direction, is favorable to opening and closing work through its inside valve plate, and the leakproofness is good, prevents that the condition of leaking from appearing by the material of cutting off, also can prevent that this department from leading to being corroded because of contacting the viscous medium often.
The connecting pipe is made of stainless steel metal plates, the outer protective layer inside the connecting pipe is made of a protective shell supported by carbon fiber columns, and the reinforcing ribs inside the connecting pipe are made of a plurality of parallel carbon steel metal rods; the inside anticorrosive coating that connecting pipe inside adopted polytetrafluoroethylene to support is favorable to supplying the thick medium of one end from its inside process, and can prevent that the thick medium of long-time contact from leading to being corroded, can prevent through its inside strengthening rib that the connecting pipe from buckling because of external force appears leading to, can prevent through its inside outside inoxidizing coating that external sharp thing from causing the injury to the connecting pipe.
The sealing gasket is a disc-shaped rubber sheet, the diameter of the sealing gasket is larger than that of the connecting flange, and a circular through hole is formed in the middle of the sealing gasket; the sealing pad is clamped inside the connecting flange, so that the connection between the sealing pad and the conduction pipeline is more compact, and the phenomenon that a viscous medium inside the sealing pad is seeped outwards from the sealing pad due to a gap is prevented.
Compared with the prior art, the utility model has the following beneficial effects:
1. the valve body is favorable for opening and closing through the valve plate in the valve body, has good sealing performance, prevents the leakage of the intercepted substances, and can prevent the parts from being corroded due to the contact of viscous media.
2. The arrangement of the connecting pipe is beneficial to the viscous medium at one end to pass through the connecting pipe, corrosion caused by long-time contact with the viscous medium can be prevented, the connecting pipe can be prevented from being bent due to external force by the aid of the reinforcing ribs in the connecting pipe, and the connecting pipe can be prevented from being damaged by external sharp objects by the aid of the outer protective layer in the connecting pipe.
3. The sealing gasket is arranged, so that the connection between the conduction pipe and the conduction pipe is more compact, and the phenomenon that the viscous medium in the conduction pipe seeps outwards from the conduction pipe due to the occurrence of gaps is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the valve body of the present invention.
Fig. 3 is a schematic structural view of the connecting tube of the present invention.
In the figure:
1-valve body, 11-support shell, 12-valve plate, 13-valve rod, 14-drive thread, 2-installation valve cover, 3-valve neck, 4-packing gland, 5-connecting pipe, 51-supporting pipe, 52-outer side protective layer, 53-reinforcing rib, 54-inner protective layer, 6-connecting flange, 7-sealing gasket, 8-conducting pipeline and 9-hand wheel.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1 to 3.
The utility model provides a special wear-resistant corrosion-resistant gate valve for high-temperature viscous media, which comprises a valve body 1, an installation valve cover 2, a valve neck 3, a packing gland 4, a connecting pipe 5, a connecting flange 6, a sealing gasket 7, a conducting pipeline 8 and a hand wheel 9, wherein: the mounting valve cover 2 is mounted above the valve body 1 through bolts, the valve neck 3 is welded above the mounting valve cover 2, and the packing gland 4 is mounted above the valve neck 3 through bolts; the connecting pipe 5 is welded at two ends of the valve body 1, the connecting flange 6 is welded at one end of the connecting pipe 5, and the sealing gasket 7 is pressed between the connecting flanges 6 and is installed through bolts; the conducting pipeline 8 is welded on the surface of the connecting flange 6, and the hand wheel 9 is embedded in the packing gland 4.
The valve body 1 comprises a supporting shell 11, a valve plate 12, a valve rod 13 and a driving thread 14, wherein the valve plate 12 is embedded in the supporting shell 11, and the valve rod 13 is installed in the valve plate 12 through the driving thread 14; the drive screw 14 is arranged on the surface of the valve rod 13, and the valve rod 13 is connected with the hand wheel 9.
The connecting pipe 5 comprises a supporting pipe 51, an outer protective layer 52, a reinforcing rib 53 and an inner protective layer 54, wherein the outer protective layer 52 is wrapped on the outer side of the supporting pipe 51, and the reinforcing rib 53 is embedded in the supporting pipe 51; the inner shield layer 54 is bonded to the inner surface of the support tube 51.
The utility model provides a special wear-resistant corrosion-resistant gate valve for high-temperature viscous media, wherein a valve body 1 adopts a stainless steel metal shell, a corrosion-resistant layer supported by polytetrafluoroethylene is bonded inside the valve body 1, and a slot consistent with a valve plate 12 is arranged inside the valve body 1; the valve plate 12 can move vertically in the valve body 1 by the groove in the valve body, the valve plate 12 in the valve body is favorable for opening and closing, the sealing performance is good, the leakage of the intercepted substances is prevented, and the corrosion of the position caused by contacting viscous media frequently can also be prevented; the valve cover 2 is arranged for closing an opening at the upper end of the valve body 1; the valve neck 3 is used for accommodating a valve rod 13; the connecting pipe 5 is made of a stainless steel metal plate, the outer protective layer 52 in the connecting pipe 5 is a protective shell supported by carbon fiber columns, and the reinforcing ribs 53 in the connecting pipe 5 are made of a plurality of parallel carbon steel metal rods; the inner protective layer 54 in the connecting pipe 5 is a corrosion-resistant layer supported by polytetrafluoroethylene, so that a viscous medium at one end can pass through the connecting pipe, corrosion caused by long-time contact with the viscous medium can be prevented, the connecting pipe 5 can be prevented from being bent due to external force by the aid of the reinforcing ribs 53 in the connecting pipe, and the connecting pipe 5 can be prevented from being damaged by external sharp objects by the aid of the outer protective layer 52 in the connecting pipe; the connecting flange 6 is used for connecting with a pipeline; the sealing gasket 7 is a disc-shaped rubber sheet, the diameter of the sealing gasket 7 is larger than that of the connecting flange 6, and a circular through hole is formed in the middle of the sealing gasket 7; the sealing gasket 7 is clamped inside the connecting flange 6, so that the connection between the conduction pipe 8 and the sealing gasket is more compact, and the phenomenon that a viscous medium inside the conduction pipe is seeped outwards from a gap is prevented; the conducting pipeline 8 is used for guiding viscous media; the hand wheel 9 is used for controlling the opening and closing of the valve plate 12 through rotation.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
1. The utility model provides a special wear-resisting corrosion-resistant gate valve of high temperature viscous medium which characterized in that: including valve body (1), installation valve gap (2), valve neck (3), gland (4), connecting pipe (5), flange (6), sealed pad (7), pipeline (8) and hand wheel (9) lead to, wherein: the mounting valve cover (2) is mounted above the valve body (1) through bolts, the valve neck (3) is welded above the mounting valve cover (2), and the packing gland (4) is mounted above the valve neck (3) through bolts; the connecting pipe (5) is welded at two ends of the valve body (1), the connecting flange (6) is welded at one end of the connecting pipe (5), and the sealing gasket (7) is pressed between the connecting flanges (6) and is installed through bolts; the conducting pipeline (8) is welded on the surface of the connecting flange (6), and the hand wheel (9) is embedded in the packing gland (4).
2. The special wear-resistant corrosion-resistant gate valve for the high-temperature viscous medium as claimed in claim 1, wherein: the valve body (1) comprises a supporting shell (11), a valve plate (12), a valve rod (13) and a driving thread (14), the valve plate (12) is embedded in the supporting shell (11), and the valve rod (13) is installed in the valve plate (12) through the driving thread (14); the driving thread (14) is arranged on the surface of the valve rod (13), and the valve rod (13) is connected with the hand wheel (9).
3. The special wear-resistant corrosion-resistant gate valve for the high-temperature viscous medium as claimed in claim 1, wherein: the connecting pipe (5) comprises a supporting pipe (51), an outer side protective layer (52), a reinforcing rib (53) and an inner protective layer (54), the outer side protective layer (52) is wrapped on the outer side of the supporting pipe (51), and the reinforcing rib (53) is embedded in the supporting pipe (51); the inner protective layer (54) is bonded to the inner surface of the support tube (51).
4. The special wear-resistant corrosion-resistant gate valve for the high-temperature viscous medium as claimed in claim 1, wherein: the valve body (1) adopts a stainless steel metal shell, a corrosion-resistant layer supported by polytetrafluoroethylene is bonded inside the valve body (1), and a slot consistent with the valve plate (12) is formed inside the valve body (1); the valve body (1) is internally provided with a groove so that the valve plate (12) can move in the vertical direction in the valve body.
5. The special wear-resistant corrosion-resistant gate valve for the high-temperature viscous medium as claimed in claim 1, wherein: the connecting pipe (5) is made of a stainless steel metal plate, the outer protective layer (52) in the connecting pipe (5) is a protective shell supported by a carbon fiber column, and the reinforcing ribs (53) in the connecting pipe (5) are made of a plurality of parallel carbon steel metal rods; the inner protective layer (54) in the connecting pipe (5) is a corrosion-resistant layer supported by polytetrafluoroethylene.
6. The special wear-resistant corrosion-resistant gate valve for the high-temperature viscous medium as claimed in claim 1, wherein: the sealing gasket (7) is a disc-shaped rubber sheet, the diameter of the sealing gasket (7) is larger than that of the connecting flange (6), and a circular through hole is formed in the middle of the sealing gasket (7); the sealing gasket (7) is clamped inside by the connecting flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514189.4U CN216382634U (en) | 2021-10-19 | 2021-10-19 | Wear-resistant corrosion-resistant gate valve special for high-temperature viscous medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514189.4U CN216382634U (en) | 2021-10-19 | 2021-10-19 | Wear-resistant corrosion-resistant gate valve special for high-temperature viscous medium |
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| Publication Number | Publication Date |
|---|---|
| CN216382634U true CN216382634U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122514189.4U Active CN216382634U (en) | 2021-10-19 | 2021-10-19 | Wear-resistant corrosion-resistant gate valve special for high-temperature viscous medium |
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| CN (1) | CN216382634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117570216A (en) * | 2023-12-21 | 2024-02-20 | 凯斯通阀门有限公司 | Special valve for hydrogen fluoride |
-
2021
- 2021-10-19 CN CN202122514189.4U patent/CN216382634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117570216A (en) * | 2023-12-21 | 2024-02-20 | 凯斯通阀门有限公司 | Special valve for hydrogen fluoride |
| CN117570216B (en) * | 2023-12-21 | 2024-04-12 | 凯斯通阀门有限公司 | Special valve for hydrogen fluoride |
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