CN116357756A - Novel super high pressure light structure fracturing gate valve - Google Patents
Novel super high pressure light structure fracturing gate valve Download PDFInfo
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- CN116357756A CN116357756A CN202310270088.8A CN202310270088A CN116357756A CN 116357756 A CN116357756 A CN 116357756A CN 202310270088 A CN202310270088 A CN 202310270088A CN 116357756 A CN116357756 A CN 116357756A
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- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 44
- 238000012856 packing Methods 0.000 claims abstract description 37
- 210000004907 gland Anatomy 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000003754 machining Methods 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 7
- 238000013461 design Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 206010017472 Fumbling Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
- F16K3/0236—Packings the packing being of a non-resilient material, e.g. ceramic, metal
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a novel ultrahigh-pressure light-structure fracturing gate valve which comprises a valve body, valve plates, valve seat assemblies, valve rods, valve covers, packing gland covers, bearings, valve caps, a hand wheel adapter, a hand wheel, ball screw assemblies, lip packing, bolts and nuts, metal sealing backing rings, tail rods, tail rod covers and the like, wherein the valve seat assemblies are arranged on two sides of a valve body opening, sealing surfaces of the valve seats are parallel to the opening surfaces, two ends of the valve plates are parallel to the valve seat surfaces, the metal sealing backing rings are arranged between the valve bodies and the valve covers, the valve bodies are connected with the valve covers through the bolts and the nuts, the valve rods are connected with the valve covers through the lip packing, the tail rods are sealed with the valve bodies, the packing gland covers, the bearings, the ball screw assemblies, the valve caps, the hand wheel adapter and the hand wheels are sequentially arranged at the upper ends of the valve covers, and the tail rod covers are arranged at the lower ends of the valve bodies. The novel ultrahigh-pressure light-structure fracturing gate valve is convenient to operate, reasonable in design, reliable in service life and lower in cost, and is particularly suitable for large-diameter, high-pressure and high-flow fracturing operation occasions.
Description
Technical Field
The invention relates to the field of valves for petroleum and natural gas exploitation, in particular to a novel ultrahigh pressure light-structure fracturing gate valve.
Background
The shale gas exploration and development starts from the foreign country, through years of fumbling, the natural gas is fully self-sufficient through shale gas revolution, and becomes a natural gas clean export country, the country starts later in the shale gas exploration and development field, but through the development in recent years, the technology such as shale gas geophysics, well drilling and completion, fracturing transformation and the like is mastered at present, the shale gas exploration and development technical system suitable for Chinese geological conditions is primarily formed, and the shale gas exploration and development capability of horizontal wells is provided.
In the horizontal well drilling and staged fracturing process, a plurality of valves with large drift diameters, high pressure and large flow are needed, wherein the number of the valves is the largest, so that the valves are suitable for the requirements of large drift diameters, high pressure and large flow under the fracturing working condition, various fracturing valves on the market at present have large weight, the processing and manufacturing costs are high, and in addition, great trouble is brought to the transportation and hoisting of field equipment.
Therefore, it is necessary to provide a novel ultra-high pressure lightweight fracturing gate valve to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a novel ultrahigh-pressure light-structure fracturing gate valve which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a novel super high pressure light structure fracturing gate valve, includes valve body, valve plate, disk seat subassembly, valve rod, valve gap, packing gland, bearing, valve cap, hand wheel adapter, hand wheel, ball screw subassembly, lip packing, bolt nut, metal seal backing ring, tail boom cover, the disk seat subassembly is installed in valve body open gear both sides, the valve plate is connected with tail boom, valve rod, the valve plate is installed between two disk seat subassemblies, be equipped with metal seal backing ring between valve body and the valve gap, be connected through bolt nut between valve body and the valve gap, seal through lip packing between tail boom and the valve body, packing gland, bearing, ball screw subassembly, valve cap, hand wheel adapter, hand wheel are installed in proper order to the valve cap upper end, the tail boom cover is installed to the valve body lower extreme.
Preferably, the valve seat assembly is arranged on two sides of the opening of the valve body, the sealing surface of the valve seat is parallel to the opening surface, the valve seat assembly comprises a valve seat and a valve seat sealing ring, the valve plate is connected with the tail rod and the valve rod, the valve plate is arranged between the two valve seat assemblies, and two ends of the valve plate are parallel to the valve seat surface.
Preferably, a metal sealing gasket ring is arranged between the valve body and the valve cover, the valve body is connected with the valve cover through bolts and nuts, and the metal sealing gasket ring is assisted to seal through the pretightening force of the bolts and the nuts.
Preferably, the valve rod and the valve cover are sealed by a lip packing, and the tail rod and the valve body are sealed by a lip packing.
Preferably, the metal sealing gasket ring is a double-acting metal gasket ring, and the sealing surface of the metal sealing gasket ring is a spherical plane.
Preferably, the lip packing is a multi-lip packing.
Preferably, the valve seat and the valve plate are sealed by metal to metal, a small gap is arranged between the valve seat and the valve plate, and a rectangular groove structure is adopted in a cavity of the valve body.
Preferably, the valve body and the valve cover are subjected to pre-pressing strong treatment before finish machining, corrosion-resistant alloy surfacing treatment is carried out on sealing parts of the valve body and the valve cover, and a tail rod stuffing box and a tail rod inverted sealing structure are arranged on the valve body.
Advantageous effects
Compared with the prior art, the invention provides a novel ultra-high pressure light structure fracturing gate valve, which has the following beneficial effects:
1. this novel super high pressure light structure fracturing gate valve, valve body middle chamber adopt rectangular groove structure to before finish machining, adopted the strong processing of pre-compaction, greatly reduced the wall thickness, alleviateed the weight of whole valve, practice thrift processing, manufacturing cost.
2. This novel super high pressure light structure fracturing gate valve adopts the design of little clearance between disk seat and the valve plate, disk seat and the valve body to lip packing is many lips packing, and valve body and valve gap sealing position carry out corrosion-resistant alloy build-up welding and handle, and the sand control effect of valve is better, and life is longer.
3. This novel super high pressure light structure fracturing gate valve, valve operation adopts ball screw assembly to operate to have tail-boom structure, the operating torque is littleer.
4. The novel ultrahigh pressure light-structure fracturing gate valve adopts a metal sealing backing ring as a bidirectional metal backing ring between a valve cover and a valve body, the sealing surface of the metal sealing backing ring is a spherical plane, and the backing ring is reliable in sealing and can be repeatedly disassembled and assembled for use.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the metal gasket ring of the present invention;
fig. 3 is a schematic structural view of the multi-lip packing of the present invention;
FIG. 4 is a schematic view of the structure of the cavity of the valve body of the present invention using rectangular grooves;
fig. 5 is a schematic view of the structure of the exterior of the present invention.
In the figure: 1. a valve body; 2. a valve plate; 3. a valve seat; 4. a valve stem; 5. a valve cover; 6. packing gland; 7. a bearing; 8. a valve cap; 9. a handwheel adapter; 10. a hand wheel; 11. a ball screw assembly; 12. lip-shaped packing; 13. a bolt and a nut; 14. a metal seal grommet; 15. tail rod; 16. tail boom cover.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
First embodiment:
1-5, the novel ultrahigh pressure light-structure fracturing gate valve comprises a valve body 1, a valve plate 2, a valve seat assembly 3, a valve rod 4, a valve cover 5, packing gland 6, a bearing 7, a valve cap 8, a hand wheel adapter 9, a hand wheel 10, a ball screw assembly 11, lip packing 12, a bolt nut 13, a metal sealing gasket ring 14, a tail rod 15 and a tail rod cover 16, wherein the valve seat assembly 3 is arranged on two sides of the opening of the valve body 1, the valve plate 2 is connected with the tail rod 15 and the valve rod 4, the valve plate 2 is arranged between the two valve seat assemblies 3, a metal sealing gasket ring 14 is arranged between the valve body 1 and the valve cover 5, the valve body 1 and the valve cover 5 are connected through the bolt nut 13, the tail rod 15 and the valve body 2 are sealed through the lip packing 12, the packing gland 6, the bearing 7, the ball screw assembly 11, the valve cap 8, the hand wheel adapter 9 and the hand wheel 10 are sequentially arranged at the upper end of the valve cover 5, the lower end of the valve body 1 is provided with a tail rod cover 16, the valve seat assembly 3 is arranged on two sides of the opening of the valve body 1, the valve seat sealing surface is parallel to the opening surface, the valve seat assembly 3 comprises a valve seat and a valve seat sealing ring, the valve plate 2 is connected with the tail rod 15 and the valve rod 4, the valve plate 2 is arranged between the two valve seat assemblies 3, the two ends of the valve plate 2 are parallel to the valve seat surfaces, a metal sealing gasket 14 is arranged between the valve body 1 and the valve cover 5, the valve body 1 and the valve cover 5 are connected through a bolt and nut 13 and are sealed by an auxiliary metal sealing gasket 14 through a bolt and nut pretightening force, the valve rod 4 and the valve cover 5, the tail rod 15 and the valve body 2 are sealed through a lip packing 12, the metal sealing gasket 14 is a double-acting metal gasket, the sealing surface is a spherical plane, the lip packing 12 is a multi-lip packing, the valve seat 3 and the valve plate 2, the valve seat 3 and the valve body 1 are sealed by metal to metal, the valve seat 3 and the valve body 1 are designed in a small gap, the middle cavity of the valve body 1 adopts a rectangular groove structure, the valve body 1 and the valve cover 5 are subjected to pre-pressing strong treatment before finish machining, the sealing parts of the valve body 1 and the valve cover 5 are subjected to corrosion-resistant alloy surfacing treatment, and the valve body 1 is provided with a tail rod stuffing box and a tail rod inverted sealing structure.
The cavity in valve body 1 adopts rectangular groove structure to before finish machining, has adopted pre-compaction to be strong to handle, has greatly reduced the wall thickness, has alleviateed the weight of whole valve, practices thrift processing, manufacturing cost, adopts the design of little clearance between disk seat 3 and the valve plate 2, disk seat 3 and the valve body 1, and lip packing 12 is many lip packing, and valve body 1 carries out corrosion-resistant alloy surfacing treatment with the valve gap 5 sealing position, and the sand control effect of valve is better, and life is longer, and the valve operation adopts ball screw assembly 11 to operate, and has tail boom 15 structure, and the operating torque is littleer, adopts metal seal backing ring 14 to be the metal backing ring of dual-action between valve gap 5 and the valve body 1, and its sealed face is spherical plane, and this kind backing ring seals reliably, and repeatedly dismantled and assembled and used.
Specific embodiment II:
as shown in fig. 1, the embodiment provides a novel fracturing gate valve, which comprises a valve body 1, a valve plate 2, a valve seat assembly 3, a valve rod 4, a valve cover 5, a packing gland 6, a bearing 7, a valve cap 8, a hand wheel adapter 9, a hand wheel 10, a ball screw assembly 11, a lip packing 12, a bolt and nut 13, a metal sealing backing ring 14, a tail rod 15, a tail rod cover 16 and the like.
As shown in fig. 1, this embodiment provides a novel fracturing gate valve, when the valve needs to be opened/closed, the hand wheel 10 is operated to rotate anticlockwise/clockwise, the torque of the hand wheel 10 is transmitted to the hand wheel adapter 9, the hand wheel adapter 9 drives the ball screw assembly 11, the ball screw assembly 11 converts the torque into a straight stroke motion, thereby driving the valve rod 4 and the valve plate 2 to move up and down, and opening and closing of the valve are completed, when the valve is in an open position, the valve body 1 channel, the valve plate 2 through hole and the valve seat assembly 3 through hole are communicated, and at this time, fluid can smoothly flow from the upstream to the downstream of the valve body; when the valve is in the closed position, the upstream and downstream through holes of the valve body 1 and the valve seat 3 are cut off by the valve plate 2, thereby completing the cutting off of the whole fluid.
As shown in fig. 1, the embodiment provides a novel fracturing gate valve, a valve seat assembly 3 is installed on two sides of a valve body 1 in a gear opening mode, a valve seat sealing surface is parallel to the gear opening surface, and the valve seat assembly 3 comprises a valve seat and a valve seat sealing ring; the valve plate 2 is connected with the tail rod 15 and the valve rod 4, the valve plate 2 is arranged between the two valve seat assemblies 3, two ends of the valve plate 2 are parallel to the valve seat surfaces, the valve seat 3 is sealed with the valve plate 2 by metal, the valve seat 3 is sealed with the valve body 1 by metal, the sealing performance is better, the service life is longer, meanwhile, the valve seat 3 is designed with the valve plate 2 by adopting a small gap between the valve seat 3 and the valve body 1, and the sand prevention effect is better.
As shown in fig. 1, this embodiment provides a novel fracturing gate valve, is equipped with metal seal backing ring 14 between valve body 1 and the valve gap 5, is connected through bolt nut 13 between valve body 1 and the valve gap 5, and through bolt nut pretightning force, supplementary metal seal backing ring 14 seals, and valve body 1 and valve gap 5 have adopted the strong processing of pre-compaction simultaneously before finish machining, have promoted the pressure-bearing of whole valve, fatigue resistance.
As shown in fig. 2, the embodiment provides a novel fracturing gate valve, and the lip packing 12 is a multi-lip packing, so that the sealing performance and the sand prevention performance are better.
As shown in fig. 3, the embodiment provides a novel fracturing gate valve, the metal sealing backing ring 14 is a double-acting metal backing ring, the sealing surface of the metal sealing backing ring is a spherical plane, and the backing ring can be repeatedly disassembled and assembled for use.
As shown in fig. 1 and 4, this embodiment provides a novel fracturing gate valve, and the valve body 1 is provided with a tail rod stuffing box and a tail rod reverse sealing structure, and meanwhile, the cavity of the valve body 1 adopts a rectangular groove structure, so that the weight of the whole valve is obviously reduced.
It should be noted that, the invention is a novel ultra-high pressure light structure fracturing gate valve, when the valve needs to be opened/closed, the hand wheel 10 is operated to rotate anticlockwise/clockwise, the torque of the hand wheel 10 is transmitted to the hand wheel adapter 9, the hand wheel adapter 9 drives the ball screw assembly 11, the ball screw assembly 11 converts the torque into straight stroke movement, thereby driving the valve rod 4 and the valve plate 2 to move up and down, and completing the opening and closing of the valve, when the valve is in the open position, the valve body 1 channel, the valve plate 2 through hole and the valve seat assembly 3 through hole are communicated, and at this time, the fluid can smoothly flow from the upstream to the downstream of the valve body; when the valve is in the closed position, the upstream and downstream through holes of the valve body 1 and the valve seat 3 are cut off by the valve plate 2, thereby completing the cutting off of the whole fluid.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a novel super high pressure light structure fracturing gate valve, includes valve body (1), valve plate (2), disk seat subassembly (3), valve rod (4), valve gap (5), packing gland (6), bearing (7), valve cap (8), hand wheel adapter (9), hand wheel (10), ball screw assembly (11), lip packing (12), bolt and nut (13), metal seal backing ring (14), tail boom (15), tail boom cover (16), its characterized in that: valve seat subassembly (3) are installed in valve body (1) open gear both sides, valve plate (2) are connected with tail boom (15), valve rod (4), valve plate (2) are installed between two valve seat subassemblies (3), be equipped with metal seal backing ring (14) between valve body (1) and valve gap (5), be connected through bolt and nut (13) between valve body (1) and valve gap (5), seal through lip packing (12) between tail boom (15) and valve body (2), packing gland (6), bearing (7), ball screw subassembly (11), valve cap (8), hand wheel adapter (9), hand wheel (10) are installed in proper order to valve gap (5) upper end, tail boom cover (16) are installed to valve body (1) lower extreme.
2. The novel ultra-high pressure lightweight construction fracturing gate valve of claim 1, wherein: the valve seat assembly (3) is installed in the two sides of the opening of the valve body (1), the valve seat sealing surface is parallel to the opening surface, the valve seat assembly (3) comprises a valve seat and a valve seat sealing ring, the valve plate (2) is connected with the tail rod (15) and the valve rod (4), the valve plate (2) is installed between the two valve seat assemblies (3), and the two ends of the valve plate (2) are parallel to the valve seat surface.
3. The novel ultra-high pressure lightweight construction fracturing gate valve of claim 1, wherein: a metal sealing gasket ring (14) is arranged between the valve body (1) and the valve cover (5), the valve body (1) is connected with the valve cover (5) through a bolt and a nut (13), and the metal sealing gasket ring (14) is assisted to seal through the pretightening force of the bolt and the nut.
4. The novel ultra-high pressure lightweight construction fracturing gate valve of claim 1, wherein: the valve rod (4) and the valve cover (5), and the tail rod (15) and the valve body (2) are sealed through the lip packing (12).
5. The novel ultra-high pressure lightweight construction fracturing gate valve of claim 1, wherein: the metal sealing gasket ring (14) is a double-acting metal gasket ring, and the sealing surface of the metal sealing gasket ring is a spherical plane.
6. The novel ultra-high pressure lightweight construction fracturing gate valve of claim 1, wherein: the lip packing (12) is a multi-lip packing.
7. The novel ultra-high pressure lightweight construction fracturing gate valve of claim 1, wherein: the valve seat (3) and the valve plate (2) are sealed by metal to metal, the valve seat (3) and the valve plate (2) are sealed by metal, a small gap is arranged between the valve seat (3) and the valve plate (1), and a rectangular groove structure is adopted in a cavity of the valve plate (1).
8. The novel ultra-high pressure lightweight construction fracturing gate valve of claim 1, wherein: before finish machining, the valve body (1) and the valve cover (5) are subjected to pre-pressing treatment, corrosion-resistant alloy surfacing treatment is carried out on the sealing parts of the valve body (1) and the valve cover (5), and the valve body (1) is provided with a tail rod stuffing box and a tail rod reverse sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310270088.8A CN116357756A (en) | 2023-03-20 | 2023-03-20 | Novel super high pressure light structure fracturing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310270088.8A CN116357756A (en) | 2023-03-20 | 2023-03-20 | Novel super high pressure light structure fracturing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116357756A true CN116357756A (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310270088.8A Pending CN116357756A (en) | 2023-03-20 | 2023-03-20 | Novel super high pressure light structure fracturing gate valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN116357756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119435746A (en) * | 2025-01-09 | 2025-02-14 | 烟台杰瑞石油装备技术有限公司 | Intensive lightweight gate valve structure and gate valve |
-
2023
- 2023-03-20 CN CN202310270088.8A patent/CN116357756A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119435746A (en) * | 2025-01-09 | 2025-02-14 | 烟台杰瑞石油装备技术有限公司 | Intensive lightweight gate valve structure and gate valve |
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