CN219062487U - High-temperature ultrahigh-pressure gate valve - Google Patents
High-temperature ultrahigh-pressure gate valve Download PDFInfo
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- CN219062487U CN219062487U CN202223376831.8U CN202223376831U CN219062487U CN 219062487 U CN219062487 U CN 219062487U CN 202223376831 U CN202223376831 U CN 202223376831U CN 219062487 U CN219062487 U CN 219062487U
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Abstract
The utility model discloses a high-temperature ultrahigh-pressure gate valve, which belongs to the technical field of valves and comprises a valve body and a gate sealing assembly, wherein the gate sealing assembly is axially reciprocated on the inner wall of the valve body, valve seats for matching with the on-off control of the gate separating assembly are arranged on the two sides of the gate separating assembly in a fitting manner, a valve core is arranged at the top end of the valve body, a valve rod for controlling the gate sealing assembly to lift is penetrated and slid on the inner wall of the valve core, and a filling assembly is arranged on the inner wall of the valve core. The gate valve of this scheme is that electric actuator drives, namely the valve of driver, self sealss, butt welding connected mode, two flashboard structures, is one kind and is as the headstock gear of switch-on or cut-off medium, generally does not used as regulation and throttle, and clockwise rotation valve rod, flashboard descends, seals the sealed face of floodgate subassembly and two disk seats and coincide, then for closing, otherwise for opening, and whole characteristics are that high temperature high pressure environment uses, possess unique self sealss design, and the pressure is higher, and is sealed more reliable.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a high-temperature ultrahigh-pressure gate valve.
Background
The station valve is also called a valve special for a power station, and is mainly suitable for pipelines of various systems of a thermal power station to cut off or connect pipeline media. Suitable medium: non-corrosive media such as water, steam, and the like. Because the special performance and technical characteristics and working conditions enable the product to also form the characteristics that other products cannot be replaced, based on the characteristics, the gate valve used in the high-pressure and high-temperature state is provided.
The present utility model has been made in view of this.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
high temperature ultra-high pressure gate valve, comprising:
and a valve body.
And a gate sealing assembly.
The valve sealing assembly is located on the inner wall of the valve body and axially reciprocates, and valve seats for matching with on-off control of the valve opening assembly are arranged on two sides of the valve opening assembly in an attached mode.
And a valve core.
The valve core is arranged at the top end of the valve body, and the inner wall of the valve core penetrates through and slides to form a valve rod for controlling the lifting of the gate sealing assembly.
And (5) filling the assembly.
The filling assembly is positioned on the inner wall of the valve core and is tightly attached to the surface of the valve rod.
As a further aspect of the utility model: the upper surface of valve body fixedly connected with support, the upper surface of support installs the driver that is used for driving the valve rod and goes up and down.
As a further aspect of the utility model: the surface of case and valve body inner wall from bottom to top laminate jointly has self-tightening graphite and graphite clamping ring in proper order, the upper surface of graphite clamping ring is provided with the spacing six open-loops of valve body inner wall block, the baffle circle that is used for holding six open-loops is installed at the top of valve body, the fixed surface of case is connected with the bolt seat.
As a further aspect of the utility model: the filling assembly comprises a spacer ring, a bottom pad and fillers, wherein the spacer ring is positioned on the inner wall of the valve core, the bottom pad is positioned at the bottom of the inner wall of the valve core, a plurality of fillers are arranged on the bottom pad, and a plurality of spacer rings are uniformly arranged between the fillers.
As a further aspect of the utility model: the surface of the valve rod slides and is used for holding the pressure sleeve of the filling assembly, the surface of the valve rod also slides and is used for holding the pressing plate of the pressure sleeve, and the surface of the bolt seat is movably connected with a movable joint bolt for adjusting the pressure of the pressing plate.
As a further aspect of the utility model: the surface threads of the bolt seat penetrate through a plurality of bolts used for pressing the baffle ring, and a cavity is formed in the inner wall of the valve body.
As a further aspect of the utility model: the gate sealing assembly comprises a gate frame fixed at the bottom end of a valve rod, two gate plates are arranged on two sides of the gate frame, a top center for supporting and holding is arranged between the two gate plates, an upper positioning claw for fixing the tops of the two gate plates is installed on the top thread of the gate frame, and a lower positioning claw for fixing the bottoms of the two gate plates is fixed on the bottom of the gate frame through screws.
As a further aspect of the utility model: the top of support is provided with the supporting component who is used for the valve rod to support, the supporting component includes the thread bush with valve rod screw thread fit, the surface of thread bush is installed at the top of support through a plurality of bearings rotation, and the top of support is fixed with the gland that is used for holding the bearing.
The beneficial effects are that:
the gate valve of this scheme is that electric actuator drives, namely the valve of driver, self sealss, butt welding connected mode, two flashboard structures, is one kind and is as the headstock gear of switch-on or cut-off medium, generally does not used as regulation and throttle, and clockwise rotation valve rod, flashboard descends, seals the sealed face of floodgate subassembly and two disk seats and coincide, then for closing, otherwise for opening, and whole characteristics are that high temperature high pressure environment uses, possess unique self sealss design, and the pressure is higher, and is sealed more reliable.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the valve core of the present utility model;
FIG. 3 is a schematic view of an explosion structure of the shutter assembly of the present utility model.
In the figure: 1. a valve body; 2. a bracket; 3. a driver; 4. a support assembly; 41. a bearing gland; 42. a support bearing; 43. a valve stem nut; 5. a valve stem; 6. a filling assembly; 61. a spacer ring; 62. a bottom pad; 63. a filler; 7. a valve core; 8. a gate sealing assembly; 81. a brake frame; 82. a flashboard; 83. top center; 84. a lower positioning claw; 85. an upper positioning claw; 9. a valve seat; 10. a baffle ring; 11. a bolt seat; 12. a sixth ring opening; 13. a graphite pressing ring; 14. self-tightening graphite; 15. pressing the sleeve; 16. a pressing plate; 17. a swing bolt; 18. a cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
As shown in fig. 1 to 3, the high temperature ultra-high pressure gate valve includes:
a valve body 1.
And a gate closing assembly 8.
The gate sealing assembly 8 is positioned on the inner wall of the valve body 1 and axially reciprocates, and valve seats 9 for matching with the on-off control of the gate separating assembly are arranged on the two sides of the gate separating assembly in a fitting mode.
And a valve core 7.
The valve core 7 is arranged at the top end of the valve body 1, and the valve rod 5 for controlling the valve sealing assembly 8 to ascend and descend is penetrated and slid on the inner wall of the valve core 7.
And a filling assembly 6.
The packing assembly 6 is located on the inner wall of the valve core 7 and closely fits the surface of the valve stem 5.
The valve is an electric actuator driven, self-sealing and butt welding connection mode with a double flashboard 82 structure with a nominal diameter of 100mm and a nominal pressure of P55170V, is an opening and closing device used as a medium for switching on or off, and is generally not used for adjusting and throttling. The valve rod 5 is rotated clockwise, the flashboard 82 descends, and the sealing surfaces are matched, so that the valve rod is closed; otherwise, the method is started.
The main components of the valve body 1 are the valve body 1, the flashboard 82, the valve core 7, the valve rod 5 and the bracket 2, wherein the five components are made of 20CrMoV in JB/T9625-1999 technical Condition of pressure-bearing cast steel for boiler pipeline accessories, and the valve body 1 is a casting which is widely applied to working conditions below 540 ℃; important steel casting materials such as high and medium pressure cylinder bodies, nozzles, valve casings, steam chambers and the like in the turbine power generation equipment have higher lasting strength and heat strength performance; and can also be used as pipeline accessories such as main steam bent pipes of thermal power plants.
The sealing pair of the valve is advanced and reasonable, the sealing surfaces of the flashboard 82 and the valve seat 9 are formed by overlaying Stellite cobalt-based hard alloy with different hardness, and the valve has good wear resistance, high temperature resistance, scratch resistance and long service life.
Specifically, as shown in fig. 1, the upper surface of the valve body 1 is fixedly connected with a bracket 2, and the upper surface of the bracket 2 is provided with a driver 3 for driving the valve rod 5 to lift.
By providing the support 2, the support 2 serves as a support for the actuator 3 and as a protection for the operating state of the valve rod 5.
Specifically, as shown in fig. 2, the surface of the valve core 7 and the inner wall of the valve body 1 are sequentially and jointly attached with self-tightening graphite 14 and a graphite pressing ring 13 from bottom to top, the upper surface of the graphite pressing ring 13 is provided with a six-open ring 12 for limiting the clamping of the inner wall of the valve body 1, the top of the valve body 1 is provided with a baffle ring 10 for pressing the six-open ring 12, and the surface of the valve core 7 is fixedly connected with a bolt seat 11.
Through setting up self-tightening graphite 14, self-tightening graphite 14 is located the surface of case 7, makes it can keep case 7 in stable sealed state under the extrusion of graphite clamping ring 13, through setting up six open rings 12, six open rings 12 can block into in the valve body 1, keeps spacingly, makes its baffle circle 10 and the cooperation of case 7 realize fixed.
Specifically, as shown in fig. 2, the filling assembly 6 includes a spacer ring 61 located on the inner wall of the valve core 7, a bottom pad 62 and a filler 63, the bottom pad 62 is located at the bottom of the inner wall of the valve core 7, a plurality of fillers 63 are disposed on the bottom pad, and a plurality of spacer rings 61 are uniformly disposed between the fillers 63.
Through setting up the spacer ring 61, the spacer ring 61 can separate the filler 63, makes it can keep stable sealing state, and the bottom pad 62 of bottom can play the effect of bottom of the pocket simultaneously, reduces the wearing and tearing of bottom, improves bottom leakproofness.
Specifically, as shown in fig. 1, the surface of the valve rod 5 slides with a pressing sleeve 15 for pressing the filling assembly 6, the surface of the valve rod 5 also slides with a pressing plate 16 for pressing the pressing sleeve 15, and the surface of the bolt seat 11 is movably connected with a movable joint bolt 17 for adjusting the pressure of the pressing plate 16.
By providing the press jacket 15, the press jacket 15 can keep applying pressure to the packing assembly 6 and keep the packing assembly in stable fit with the valve rod 5, and by providing the press plate 16, the press plate 16 can keep applying pressure to the press jacket 15 through the cooperation of the swing bolts 17.
Specifically, as shown in fig. 2, the surface threads of the bolt seat 11 penetrate through a plurality of screws for pressing the baffle ring 10, and a cavity 18 is formed in the inner wall of the valve body 1.
By providing the screw, the screw is screwed on the surface of the screw seat 11, so that it can keep a downward pressure against the apron 10, and the apron 10 and the valve core 7 form a clamping pressure towards the six open rings 12.
Specifically, as shown in fig. 3, the gate sealing assembly 8 includes a gate frame 81 fixed at the bottom end of the valve rod 5, two gate plates 82 are provided at both sides of the gate frame 81, a top center 83 for supporting and holding is commonly provided between the two gate plates 82, an upper positioning claw 85 for fixing the tops of the two gate plates 82 is screwed on the top of the gate frame 81, and a lower positioning claw 84 for fixing the bottoms of the two gate plates 82 is screwed on the bottom of the gate frame 81.
Through setting up flashboard 82, flashboard 82 is the slope setting, can realize fine sealed effect between with disk seat 9, combines inside top heart 83 to support, keeps it to be in stable sealed state, and when one side pressure increased, the valve plate of one side is through top heart 83 with the effect of strength to the opposite side, makes its more inseparable maintenance closed state.
Specifically, as shown in fig. 1, the top of the support 2 is provided with a support component 4 for supporting the valve rod 5, the support component 4 comprises a threaded sleeve in threaded fit with the valve rod 5, the surface of the threaded sleeve is rotatably mounted at the top of the support 2 through a plurality of bearings, and the top of the support 2 is fixed with a gland for holding the bearings.
By providing the support assembly 4, the support assembly 4 enables the height of its valve stem 5 to be varied as it is rotated by the actuator 3.
In summary, the valve provided by the scheme can be used for pipelines in industries such as petroleum, chemical industry, electric power, metallurgy, sugar production, pharmacy, urban construction and the like, is designed and manufactured by adopting the international advanced standard and the national latest standard, is manufactured by adopting the advanced process and the tooling, is flexible to open and close, is reliable to seal, has no internal leakage and external leakage, and has long service life, and the international advanced level is reached.
Working principle:
when the valve is used, the driver 3 drives the threaded sleeve to rotate in the bearing, so that the valve rod 5 moves up and down axially in the valve core 7 and the filling assembly 6 under the threaded fit of the threaded sleeve and the valve rod 5, the gate sealing assembly 8 synchronously ascends and descends at the moment, and the gate plate 82 is separated from the corresponding valve seat 9 and enters the cavity 18.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.
Claims (8)
1. High temperature superhigh pressure gate valve, its characterized in that includes:
a valve body (1);
a shutter assembly (8);
the gate sealing assembly (8) is positioned on the inner wall of the valve body (1) and axially reciprocates, and valve seats (9) for matching with the on-off control of the gate separating assembly are arranged on the two sides of the gate separating assembly in a fitting manner;
a valve core (7);
the valve core (7) is arranged at the top end of the valve body (1), and a valve rod (5) for controlling the lifting of the gate sealing assembly (8) is penetrated and slid on the inner wall of the valve core (7);
a filling assembly (6);
the filling assembly (6) is positioned on the inner wall of the valve core (7) and is tightly attached to the surface of the valve rod (5).
2. The high-temperature and ultra-high-pressure gate valve according to claim 1, wherein a bracket (2) is fixedly connected to the upper surface of the valve body (1), and a driver (3) for driving the valve rod (5) to lift is mounted on the upper surface of the bracket (2).
3. The high-temperature ultrahigh-pressure gate valve according to claim 1, wherein the surface of the valve core (7) and the inner wall of the valve body (1) are sequentially and jointly attached with self-tightening graphite (14) and a graphite pressing ring (13) from bottom to top, the upper surface of the graphite pressing ring (13) is provided with a six-open ring (12) which is used for limiting the clamping of the inner wall of the valve body (1), the top of the valve body (1) is provided with a baffle ring (10) for clamping the six-open ring (12), and the surface of the valve core (7) is fixedly connected with a bolt seat (11).
4. The high-temperature and ultra-high-pressure gate valve according to claim 2, wherein the filling assembly (6) comprises a spacer ring (61) positioned on the inner wall of the valve core (7), a bottom pad (62) and fillers (63), the bottom pad (62) is positioned at the bottom of the inner wall of the valve core (7), a plurality of fillers (63) are arranged on the bottom, and a plurality of spacer rings (61) are uniformly arranged among the fillers (63).
5. A high temperature ultra high pressure gate valve according to claim 3, wherein the surface of the valve rod (5) is provided with a pressing sleeve (15) for pressing the filling assembly (6), the surface of the valve rod (5) is also provided with a pressing plate (16) for pressing the pressing sleeve (15), and the surface of the bolt seat (11) is movably connected with a movable joint bolt (17) for adjusting the pressure of the pressing plate (16).
6. The high-temperature ultra-high-pressure gate valve according to claim 5, wherein a plurality of screws for pressing the baffle ring (10) are penetrated through the surface threads of the bolt seat (11), and a cavity (18) is formed in the inner wall of the valve body (1).
7. The high-temperature ultra-high-pressure gate valve according to claim 1, wherein the gate sealing assembly (8) comprises a gate frame (81) fixed at the bottom end of the valve rod (5), two gate plates (82) are arranged on two sides of the gate frame (81), a top core (83) for supporting and holding is jointly arranged between the two gate plates (82), an upper positioning claw (85) for fixing the tops of the two gate plates (82) is arranged on the top thread of the gate frame (81), and a lower positioning claw (84) for fixing the bottoms of the two gate plates (82) is fixed on the bottom of the gate frame (81) through screws.
8. The high-temperature and ultra-high-pressure gate valve according to claim 2, wherein a supporting component (4) for supporting a valve rod (5) is arranged at the top end of the support (2), the supporting component (4) comprises a threaded sleeve in threaded fit with the valve rod (5), the surface of the threaded sleeve is rotatably arranged at the top of the support (2) through a plurality of bearings, and a gland for pressing the bearings is fixed at the top of the support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223376831.8U CN219062487U (en) | 2022-12-14 | 2022-12-14 | High-temperature ultrahigh-pressure gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223376831.8U CN219062487U (en) | 2022-12-14 | 2022-12-14 | High-temperature ultrahigh-pressure gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062487U true CN219062487U (en) | 2023-05-23 |
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ID=86368871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223376831.8U Active CN219062487U (en) | 2022-12-14 | 2022-12-14 | High-temperature ultrahigh-pressure gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062487U (en) |
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2022
- 2022-12-14 CN CN202223376831.8U patent/CN219062487U/en active Active
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