CN116066569B - Dry-stretch-break integrated valve, and use method and application thereof - Google Patents

Dry-stretch-break integrated valve, and use method and application thereof Download PDF

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Publication number
CN116066569B
CN116066569B CN202211623197.5A CN202211623197A CN116066569B CN 116066569 B CN116066569 B CN 116066569B CN 202211623197 A CN202211623197 A CN 202211623197A CN 116066569 B CN116066569 B CN 116066569B
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China
Prior art keywords
valve
dry
breaking
break
cavity
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CN202211623197.5A
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Chinese (zh)
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CN116066569A (en
Inventor
徐徐
王强
王君
陈跃
张俊远
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Zhangjiagang Furui Valve Co ltd
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Zhangjiagang Furui Valve Co ltd
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Priority to CN202211623197.5A priority Critical patent/CN116066569B/en
Publication of CN116066569A publication Critical patent/CN116066569A/en
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Publication of CN116066569B publication Critical patent/CN116066569B/en
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Classifications

    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B67D7/3281—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/44—Filling nozzles automatically closing
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/184—Combined check valves and actuated valves
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
    • 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
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The application discloses a dry-stretch-breaking integrated valve, a using method and application thereof, and relates to the technical field of valves. The dry-break integrated valve comprises an upper valve body and a lower valve body, wherein the upper valve body is provided with a first valve cavity and a second valve cavity, and the lower valve body is provided with a third valve cavity: the first valve cavity is a dry breaking part, and the second valve cavity and the third valve cavity form a stretch breaking part. According to the application, the dry break valve and the stretch break valve are combined into a whole, so that zero leakage in the medium filling process and after the medium is broken can be realized, the effect of the stretch break valve can be achieved, the medium leakage is effectively prevented, and the occurrence of safety accidents is avoided.

Description

Dry-stretch-break integrated valve, and use method and application thereof
Technical Field
The application relates to the technical field of valves, in particular to a dry-stretch-breaking integrated valve, and a use method and application thereof.
Background
The fluid loading and unloading arm is mainly used for loading and unloading fluid media in petrochemical industry, and mainly comprises a liquid phase arm and a gas phase arm, and when the fluid media are loaded and unloaded, a quick connector is generally adopted to connect the tank wagon and the loading and unloading arm. The existing quick connector has poor sealing effect, and can not realize the sealing of a valve after the connector is disconnected, residual liquid is easy to drop out, and the safety of a pipeline on a loading and unloading site is influenced. For this reason, there are also solutions in the prior art that use dry joints.
In addition, generally install the snap valve on fluid loading and unloading arm, snap valve can break away from rapidly when taking place the tank wagon swift current car or other emergency, makes the tank wagon can in time leave the scene, avoids the emergence of more serious accident. For example, the Chinese patent of the utility model, which is announced as CN215479693U, discloses a novel ultralow temperature loading arm, after all manual valves on the loading arm are removed, the tail end of an outer telescopic arm adopts a dry type quick connector, and a male head at the tail part of a tank car is quickly butted through a first fastening rod and a second fastening rod of a gas phase dry type quick connector and a liquid phase dry type quick connector, so that the working efficiency of installation and disassembly is improved. Meanwhile, a gas-phase breaking valve and a liquid-phase breaking valve are also arranged to improve the current safety performance of fluid loading and unloading. However, the load of the loading arm is increased by simultaneously installing the dry quick connector and the snap valve on the loading arm, and a plurality of leakage points exist in the connection of the valves, so that improvement is needed.
Disclosure of Invention
The application aims to provide a dry-break integrated valve, a use method and an application thereof, and the dry-break valve and the break valve are combined into a whole, so that zero leakage in and after medium filling can be realized, the effect of the break valve can be achieved, medium leakage can be effectively prevented, and safety accidents can be avoided.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme: the dry-stretch-breaking integrated valve comprises an upper valve body and a lower valve body, wherein the upper valve body is provided with a first valve cavity and a second valve cavity, and the lower valve body is provided with a third valve cavity: the first valve cavity is a dry breaking part, and the second valve cavity and the third valve cavity form a stretch breaking part; wherein:
The dry break portion includes: the valve core is a hollow shell, a roller groove is formed in the valve core, and the roller groove is obliquely upwards arranged; the valve seat is arranged in the valve core; the roller assembly is arranged in the roller groove; the valve clack is arranged above the valve seat and is connected with the roller component;
The stretch breaking portion includes: the upper one-way valve is arranged in the valve cavity II; the lower one-way valve is arranged in the valve cavity III; the upper mounting ring is arranged at the lower end part of the upper valve body; the lower mounting ring is arranged at the upper end part of the lower valve body, and the upper mounting ring and the lower mounting ring are fixedly connected through breaking bolts.
In the technical scheme, the embodiment of the application combines the dry break valve and the stretch break valve into a whole, so that the safety and reliability are realized after the valve is connected with the tank wagon, and zero leakage in the medium filling process and after the medium filling process and the stretch break valve are realized; on the other hand, when the dangerous tank wagon needs to leave quickly and is not as fast as the disconnection pipeline or the operation error of the tank wagon, under the condition that the pipeline is not disconnected in advance and the tank wagon starts to leave, the tank wagon is automatically disconnected after the stress reaches a certain value, and the two ends of the valve are automatically closed and sealed, so that the safety problem of on-site pipeline leakage is solved.
Further, according to an embodiment of the present application, the roller grooves are provided with two and symmetrically arranged on the valve core.
Further, according to an embodiment of the present application, the roller assembly includes a pair of rollers, a connecting shaft, and a connecting plate, the connecting plate is connected to the valve flap, an upper end of the connecting plate is disposed in the valve seat, and a shaft sleeve is disposed between the connecting plate and the valve seat.
Further, according to the embodiment of the application, a first baffle ring is arranged below the valve seat, the first baffle ring is fixed on the inner wall of the valve core, a wave spring and a gasket are arranged below the first baffle ring, and the wave spring and the gasket are sleeved outside the connecting plate; an energy storage ring I is arranged between the baffle ring I and the valve seat.
Further, according to the embodiment of the application, a valve cover is arranged at the upper end part of the upper valve body, the valve cover is sleeved on the peripheries of the upper valve body and the valve core, and steel balls are arranged at the contact positions of the valve cover, the valve core and the upper valve body; an energy storage ring II is arranged between the valve cover and the valve core.
Further, according to an embodiment of the present application, a hand wheel is disposed on the outer side of the valve core, and the hand wheel is used for rotating the valve core.
Further, according to an embodiment of the present application, a hydraulic wheel is disposed outside the valve core, and the hydraulic wheel is used for rotating the valve core.
Further, according to the embodiment of the application, the upper one-way valve comprises an upper supporting frame, an upper valve clack and an upper valve seat, wherein the supporting frame is fixed on the inner wall of the upper valve body, the upper valve clack is installed on the upper supporting frame, the upper springs are sleeved on the outer circumferences of the upper valve clack and the upper supporting frame, and the upper valve seat is fixed on the inner circumference of the lower port of the upper valve body.
In order to achieve the above purpose, the embodiment of the application also discloses a use method of the dry-break integrated valve, which comprises the following steps:
And (3) dry breaking: the valve core is rotated, the roller assembly rolls up and down in the roller groove, the roller assembly drives the valve clack to move up and down, the valve clack is attached to the valve seat, the dry-stretch-breaking integrated valve is in a closed state, and then the connection between the loading arm and the tank wagon is released;
breaking: when the tensile force applied to the breaking bolt exceeds a threshold value, the breaking bolt breaks to separate the upper check valve from the lower check valve, and the upper check valve and the lower check valve are closed.
In order to achieve the above purpose, the embodiment of the application also discloses application of the dry-break integrated valve on a loading and unloading arm.
Compared with the prior art, the application has the following beneficial effects: according to the application, the dry break valve and the stretch break valve are integrated, so that the valve is safe and reliable after being connected with the tank wagon, and zero leakage in the medium filling process and after being disconnected is realized; on the other hand, when the dangerous tank wagon needs to leave quickly and is not as fast as the disconnection pipeline or the operation error of the tank wagon, under the condition that the pipeline is not disconnected in advance and the tank wagon starts to leave, the tank wagon is automatically disconnected after the stress reaches a certain value, and the two ends of the valve are automatically closed and sealed, so that the safety problem of on-site pipeline leakage is solved. Furthermore, the two valves are combined, so that the overall size and weight of the valve are greatly reduced, the manual operation load is reduced, the valve is used for loading and unloading operation of the loading and unloading arm, and the service life of a spring in a spring cylinder of the loading and unloading arm can be prolonged due to the reduction of the weight of the valve. Meanwhile, the valve adopts an integrated structure, so that the trouble of flange and flange connection is avoided, and meanwhile, one leakage point is reduced.
Drawings
The application will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a dry break integral valve according to the present application.
Fig. 2 is a schematic structural view of the dry break.
Fig. 3 is a schematic view of the appearance of the valve element in the dry break.
Fig. 4 is an expanded view of the valve core and the roller groove.
FIG. 5 is a schematic diagram of the sealing of the upper and lower flaps to the valve seat assembly in the snap-apart portion.
In the accompanying drawings
1. Upper valve body 2, lower valve body 3, separating ring
4. Bearing 5, valve core 6 and roller groove
7. Roller 8, connecting shaft 9 and connecting plate
10. Valve seat 11, valve clack 12, shaft sleeve
13. First gasket 14, first baffle ring 15 and first energy storage ring
16. Valve cover 17, energy storage ring two 18 and energy storage ring three
19. Baffle ring II 20, steel ball 21 and wave spring
22. Washer 23, cotter pin 24, pin shaft
25. Upper support 26, upper valve clack 27, upper spring
28. Upper valve seat 29, sealing ring 30 and gasket II
31. Spring energy storage sealing ring 32, upper mounting ring 33 and lower mounting ring
34. Breaking bolt 35, nut
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
[ Example 1]
As shown in fig. 1-5, the application discloses a dry-stretch-breaking integrated valve, which comprises an upper valve body 1 and a lower valve body 2, wherein a separation ring 3 is arranged in the middle of the upper valve body 1 to separate the upper valve body 1 into a first valve cavity and a second valve cavity, the lower valve body 2 is provided with a third valve cavity, the first valve cavity is a dry-break part, and the second valve cavity and the third valve cavity form a stretch-break part. According to the application, the dry break valve and the stretch break valve are integrated, so that the valve is safe and reliable after being connected with the tank wagon, and zero leakage in the medium filling process and after being disconnected is realized; on the other hand, when the dangerous tank wagon needs to leave quickly and is not as fast as the disconnection pipeline or the operation error of the tank wagon, under the condition that the pipeline is not disconnected in advance and the tank wagon starts to leave, the tank wagon is automatically disconnected after the stress reaches a certain value, and the two ends of the valve are automatically closed and sealed, so that the safety problem of on-site pipeline leakage is solved.
Specifically, the dry-break part comprises a valve core 5, the valve core 5 is arranged above the separation ring 3, the lower part of the valve core 5 is arranged in the valve cavity I, the upper part of the valve core 5 extends out of the valve cavity I, the valve core 5 can freely rotate in the valve cavity I, and a bearing 4 is arranged between the valve core 5 and the valve cavity I (namely, the upper valve body 1) so as to facilitate the rotation of the valve core 5. The valve core 5 is a hollow cylindrical shell, the valve core 5 is provided with two roller grooves 6, and the two roller grooves 6 are symmetrically arranged. The shape of the roller groove 6 is shown in fig. 4, and is inclined in a form of a sub-type. The roller assembly is arranged in the roller groove 6 and comprises a pair of rollers 7, a connecting shaft 8 and a connecting plate 9, the pair of rollers 7 are correspondingly arranged in the roller groove 6, the connecting shaft 8 is used for connecting the rollers 7, the connecting plate 9 is vertically fixed on the connecting shaft 8, and the connecting plate 9 is arranged inside the valve core 5. A valve seat 10 and a valve clack 11 are also arranged in the valve core 5, the valve seat 10 is fixed on the inner wall of the valve core 5, and the valve clack 11 is arranged above the valve seat 11 and is fixedly connected with the end part of the connecting plate 9. When the valve core 5 is rotated, the roller component rolls up and down in the roller groove 6, and the roller component drives the valve clack 11 to move up and down, so that the valve clack 11 is separated from and attached to the valve seat 10, and further, the opening and sealing of the dry break part are realized.
Further, a sleeve 12 is provided between the connection plate 9 and the valve seat 10, since the upper end of the connection plate 9 is provided in the valve seat 10, and the sleeve 12 is provided to facilitate the up-and-down movement of the connection plate 9 and reduce wear. The position where the valve clack 11 and the valve seat 10 are attached is provided with a first gasket 13 for reducing the abrasion between the valve clack 11 and the valve seat 10. The lower part of the valve clack 11 is provided with a first baffle ring 14, the first baffle ring 14 is fixed on the inner wall of the valve core 5, and an energy storage ring 15 is arranged between the first baffle ring 14 and the valve clack 11. A wave spring 21 and a washer 22 are arranged below the first baffle ring 14, and the wave spring 21 and the washer 22 are sleeved on the periphery of the connecting plate 9. The valve core 5 and the connecting plate 9 are connected by a cotter pin 23, and the cotter pin 23 is fixed by a pin shaft 14.
In addition, a valve cover 16 is fixedly arranged at the upper end part of the upper valve body 1, and the valve cover 16 is sleeved on the outer circumferences of the upper valve body 1 and the valve core 5 and is used for reinforcing the sealing between the upper end opening of the upper valve body 1 and the valve core 5. Meanwhile, in order to ensure the rotation of the valve core 5, a steel ball 20 is arranged at the contact position of the valve cover 16, the valve core 5 and the upper valve body 1. An energy storage ring II 17 is arranged on the joint surface of the valve cover 16 and the valve core 5. Further, an energy storage ring III 18 and a baffle ring II 19 are arranged below the upper end opening of the upper valve body.
The breaking part comprises an upper one-way valve and a lower one-way valve which are respectively arranged in the valve cavity II and the valve cavity I. The lower tip of last valve body 1 is provided with collar 32, and the upper end of lower valve body 2 is provided with collar 33 down, and upper collar 32 and collar 33 set up relatively down, are provided with the arch on the collar 32, are provided with the draw-in groove on the collar 33 down, and the arch is installed in the draw-in groove, is provided with the gasket III between arch and the draw-in groove. The upper mounting ring 32 and the lower mounting ring 33 are fixedly connected by a breaking bolt 34, and the breaking bolt 34 is fixed by a nut 35. In use, when the tension experienced by the snap bolt 34 exceeds a threshold, the snap bolt 34 breaks causing the upper and lower mounting rings 32, 33 to separate, and the upper and lower check valves to close.
Further, the upper check valve comprises an upper supporting frame 25, an upper valve clack 26 and an upper valve seat 28, wherein the upper supporting frame 25 is fixed on the inner wall of the upper valve body 1 (valve cavity II), the upper valve clack 26 is arranged on the upper supporting frame 25, an upper spring 27 is sleeved on the outer circumferences of the upper valve clack 26 and the upper supporting frame 25, the upper valve seat 28 is fixed on the inner circumference of the lower port of the upper valve body 1, and a gasket II 30 is arranged between the upper valve seat 28 and the upper valve body 1. The lower check valve is also symmetrically provided with a lower support frame, a lower valve clack, a lower valve seat and a lower spring, when the two check valves are installed together, the upper valve seat is attached to the lower valve seat and is provided with a spring energy storage sealing ring 31 to ensure the sealing of the valve body, the upper valve clack is abutted against the lower valve clack, the upper valve clack is separated from the upper valve seat and is compressed by the upper spring, and the lower valve clack is separated from the lower valve seat and is compressed by the lower spring. When the upper mounting ring 32 and the lower mounting ring 33 are separated, the upper valve clack and the lower valve clack are also separated at the same time, the upper spring and the lower spring are reset, the upper valve clack is pushed to be attached to the upper valve seat, and the lower valve clack is attached to the lower valve seat, so that the closing of the two one-way valves is realized. A sealing ring 29 is arranged on the joint surface of the upper valve seat and the upper valve clack.
[ Example 2]
The embodiment discloses a method for using a dry-break integrated valve, which comprises the following steps after the dry-break integrated valve is applied to a loading arm:
And (3) dry breaking: the valve core is rotated, the roller assembly rolls up and down in the roller groove, the roller assembly drives the valve clack to move up and down, the valve clack is attached to the valve seat, the dry-stretch-breaking integrated valve is in a closed state, and then the connection between the loading arm and the tank wagon is released;
breaking: when the tensile force applied to the breaking bolt exceeds a threshold value, the breaking bolt breaks to separate the upper check valve from the lower check valve, and the upper check valve and the lower check valve are closed.
[ Example 3]
On the basis of the above embodiment, this embodiment further includes: a hand wheel is arranged on the outer side of the valve core and is used for rotating the valve core.
[ Example 4]
On the basis of the above embodiment, this embodiment further includes: the outside of the valve core is provided with a liquid wheel which is used for rotating the valve core.
While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.

Claims (10)

1. The dry-stretch-breaking integrated valve is characterized by comprising an upper valve body and a lower valve body, wherein the upper valve body is provided with a first valve cavity and a second valve cavity, and the lower valve body is provided with a third valve cavity: the first valve cavity is a dry breaking part, and the second valve cavity and the third valve cavity form a stretch breaking part; wherein:
The dry break portion includes:
the valve core is a hollow shell, a roller groove is formed in the valve core, and the roller groove is obliquely upwards arranged;
The valve seat is arranged in the valve core;
the roller assembly is arranged in the roller groove;
the valve clack is arranged above the valve seat and is connected with the roller component;
The stretch breaking portion includes:
The upper one-way valve is arranged in the valve cavity II;
The lower one-way valve is arranged in the valve cavity III;
The upper mounting ring is arranged at the lower end part of the upper valve body;
The lower mounting ring is arranged at the upper end part of the lower valve body, and the upper mounting ring and the lower mounting ring are fixedly connected through breaking bolts.
2. The dry break integral valve according to claim 1, wherein the roller groove has two and is symmetrically disposed on the spool.
3. The dry break integrated valve according to claim 1, wherein the roller assembly comprises a pair of rollers, a connecting shaft and a connecting plate, the connecting plate is connected with the valve clack, the upper end of the connecting plate is arranged in the valve seat, and a shaft sleeve is arranged between the connecting plate and the valve seat.
4. The dry-break integrated valve according to claim 3, wherein a first baffle ring is arranged below the valve seat, the first baffle ring is fixed on the inner wall of the valve core, a wave spring and a gasket are arranged below the baffle ring, and the wave spring and the gasket are sleeved outside the connecting plate; an energy storage ring I is arranged between the baffle ring I and the valve seat.
5. The dry-break integrated valve according to claim 1, wherein a valve cover is arranged at the upper end part of the upper valve body, the valve cover is sleeved on the peripheries of the upper valve body and the valve core, and steel balls are arranged at contact positions of the valve cover, the valve core and the upper valve body; an energy storage ring II is arranged between the valve cover and the valve core.
6. The dry break integral valve according to claim 1, wherein a hand wheel is provided outside the valve spool, the hand wheel being used to rotate the valve spool.
7. The dry break integral valve according to claim 1, wherein a liquid wheel is provided outside the valve core, the liquid wheel being used to rotate the valve core.
8. The dry-break integrated valve according to claim 1, wherein the upper check valve comprises an upper support frame, an upper valve clack and an upper valve seat, the upper support frame is fixed on the inner wall of the upper valve body, the upper valve clack is mounted on the upper support frame, the upper valve clack and the upper support frame are sleeved with an upper spring at the periphery, and the upper valve seat is fixed on the inner periphery of the lower port of the upper valve body.
9. The method of using a dry break integrated valve as claimed in claim 1, comprising the steps of:
And (3) dry breaking: the valve core is rotated, the roller assembly rolls up and down in the roller groove, the roller assembly drives the valve clack to move up and down, the valve clack is attached to the valve seat, the dry-stretch-breaking integrated valve is in a closed state, and then the connection between the loading arm and the tank wagon is released;
breaking: when the tensile force applied to the breaking bolt exceeds a threshold value, the breaking bolt breaks to separate the upper check valve from the lower check valve, and the upper check valve and the lower check valve are closed.
10. Use of a dry break integral valve as claimed in claim 1 on a handling arm.
CN202211623197.5A 2022-12-16 2022-12-16 Dry-stretch-break integrated valve, and use method and application thereof Active CN116066569B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211623197.5A CN116066569B (en) 2022-12-16 2022-12-16 Dry-stretch-break integrated valve, and use method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211623197.5A CN116066569B (en) 2022-12-16 2022-12-16 Dry-stretch-break integrated valve, and use method and application thereof

Publications (2)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999567A (en) * 1975-07-07 1976-12-28 Milwaukee Valve Company, Inc. Tank truck safety valve
GB8708655D0 (en) * 1987-04-10 1987-05-13 Compair Power Tools Ltd Safety valve
CN201779323U (en) * 2010-09-27 2011-03-30 重庆四联油气设备制造有限公司 Liquefied natural gas (LNG) dispenser release coupler
CN203230910U (en) * 2013-05-07 2013-10-09 连云港同春石化设备有限公司 Low-temperature break away coupling valve
CN203784410U (en) * 2014-04-03 2014-08-20 重庆耐德工业股份有限公司 Abruption valve
CN104696564A (en) * 2015-03-16 2015-06-10 张家港富瑞特种装备股份有限公司 Low temperature breaking valve
CN208311590U (en) * 2018-06-04 2019-01-01 连云港远洋流体装卸设备有限公司 Safety protective Pull breaking ualve
CN208619791U (en) * 2018-08-29 2019-03-19 山西德盈新能源科技有限公司 A kind of LNG dispenser Pull breaking ualve
CN110159823A (en) * 2019-05-24 2019-08-23 安徽江淮汽车集团股份有限公司 A kind of valve rod driving mechanism and exhaust gas recirculation valve
CN217634093U (en) * 2022-05-25 2022-10-21 广东泰恩流体控制设备有限公司 Explosion-proof breaking valve

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999567A (en) * 1975-07-07 1976-12-28 Milwaukee Valve Company, Inc. Tank truck safety valve
GB8708655D0 (en) * 1987-04-10 1987-05-13 Compair Power Tools Ltd Safety valve
CN201779323U (en) * 2010-09-27 2011-03-30 重庆四联油气设备制造有限公司 Liquefied natural gas (LNG) dispenser release coupler
CN203230910U (en) * 2013-05-07 2013-10-09 连云港同春石化设备有限公司 Low-temperature break away coupling valve
CN203784410U (en) * 2014-04-03 2014-08-20 重庆耐德工业股份有限公司 Abruption valve
CN104696564A (en) * 2015-03-16 2015-06-10 张家港富瑞特种装备股份有限公司 Low temperature breaking valve
CN208311590U (en) * 2018-06-04 2019-01-01 连云港远洋流体装卸设备有限公司 Safety protective Pull breaking ualve
CN208619791U (en) * 2018-08-29 2019-03-19 山西德盈新能源科技有限公司 A kind of LNG dispenser Pull breaking ualve
CN110159823A (en) * 2019-05-24 2019-08-23 安徽江淮汽车集团股份有限公司 A kind of valve rod driving mechanism and exhaust gas recirculation valve
CN217634093U (en) * 2022-05-25 2022-10-21 广东泰恩流体控制设备有限公司 Explosion-proof breaking valve

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