CN116906815A - Pressure control device in container - Google Patents

Pressure control device in container Download PDF

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Publication number
CN116906815A
CN116906815A CN202310834184.0A CN202310834184A CN116906815A CN 116906815 A CN116906815 A CN 116906815A CN 202310834184 A CN202310834184 A CN 202310834184A CN 116906815 A CN116906815 A CN 116906815A
Authority
CN
China
Prior art keywords
container
shell
piston
pressure control
control device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310834184.0A
Other languages
Chinese (zh)
Inventor
姜志敏
展康华
吕榕桢
刘一庆
王福亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Pengyuan Kanghua Natural Source Co ltd
Original Assignee
Qingdao Pengyuan Kanghua Natural Source Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Pengyuan Kanghua Natural Source Co ltd filed Critical Qingdao Pengyuan Kanghua Natural Source Co ltd
Priority to CN202310834184.0A priority Critical patent/CN116906815A/en
Publication of CN116906815A publication Critical patent/CN116906815A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J12/00—Pressure vessels in general
    • 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
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • F16K15/065—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring spring pulling the closure member against the seat
    • 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
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F17C13/045—Automatic change-over switching assembly for bottled gas systems with two (or more) gas containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0689—Methods for controlling or regulating

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The application discloses a pressure control device in a container, belongs to the field of pressure equipment, and solves the problems that a part of pressure control release devices in the prior art cannot be automatically operated, and are complex in structure and high in cost. In the application, the pressure control release device is matched with the air core of the second container; the pressure control release device comprises a shell, wherein the shell is internally provided with an internal cavity, and an opening communicated with the internal cavity of the shell is formed at the end part of the shell; one end of the shell far away from the opening is provided with a one-way valve component communicated with the outside of the shell; the piston slides in the inner cavity of the shell and divides the inner cavity of the shell into two independent chambers; the piston is matched with the air core of the second container and pushes the air core to open after the piston slides; the chamber in communication with the opening of the housing communicates with an interior of the container. The pressure control device for the container realizes automatic air supply control, has simple structure and lower cost, and has better use popularization.

Description

Pressure control device in container
Technical Field
The application relates to a pressure control device in a container, and belongs to the field of pressure equipment.
Background
In a liquid pressure container (such as a soda can, etc.), after discharging a liquid in the liquid pressure container, the pressure of the liquid pressure container may be reduced, thereby affecting a discharging operation of the remaining liquid in the liquid pressure container. In order to maintain the internal pressure of the liquid pressure vessel stable, the residual liquid in the liquid pressure vessel is discharged with enough pressure, and the liquid pressure vessel is supplemented with air after part of the liquid is discharged, so as to maintain the pressure in the liquid pressure vessel.
In the prior art, in order to supplement air into a liquid pressure container, a pressure control release device is installed at an air core of a high pressure air tank to control the release of air from the high pressure air tank. The partial pressure control release device needs to be externally controlled, and can not automatically supplement air when the pressure in the liquid pressure container is reduced. In addition, most of the existing pressure control release devices have complex structures, so that the cost is high, and the pressure control release devices are used as disposable articles, so that great waste is caused.
Disclosure of Invention
The application provides a pressure control device in a container, which realizes automatic air supply control, has simple structure and lower cost, and has better use popularization.
The technical scheme adopted by the application is that the pressure control device in the container comprises a first container and a second container containing high-pressure gas; the second container is placed in the first container, the second container is provided with a gas core, the second container is connected with a pressure control release device, and the pressure control release device is matched with the gas core of the second container;
the pressure control release device comprises a shell, wherein the shell is internally provided with an internal cavity, and an opening communicated with the internal cavity of the shell is formed at the end part of the shell; one end of the shell far away from the opening is provided with a one-way valve component communicated with the outside of the shell;
the shell is internally provided with a piston which slides in the inner cavity of the shell and divides the inner cavity of the shell into two independent chambers, an opening of the shell is communicated with one chamber, and the one-way valve assembly is communicated with the other chamber; the piston is matched with the air core of the second container and pushes the air core to open after the piston slides;
the chamber in communication with the opening of the housing communicates with an interior of the container.
Preferably, in the pressure control device in the container, an O-shaped sealing ring is sleeved on the side wall of the piston opposite to the inner cavity of the shell; the O-shaped sealing ring is in sliding contact with the inner side wall of the inner cavity of the shell.
Preferably, in the above container internal pressure control device, an annular step protrusion is formed on an inner side wall of the internal cavity of the housing, and the step protrusion is located between the piston and the check valve assembly and restricts movement of the piston toward the check valve assembly.
Preferably, said container internal pressure control device, the one-way valve assembly comprises a second piston;
one end of the shell, which is far away from the opening, is provided with a valve cavity, and the second piston is positioned in the valve cavity and moves in the valve cavity; the one end that the casing kept away from the opening has the through-hole with valve cavity intercommunication, and piston two sets up with the through-hole cooperation and opens the through-hole after removing.
Optimally, the pressure control device in the container is characterized in that the piston II is provided with a guide part, the guide part is a cylindrical rod, and the length extension direction of the guide part is arranged along the moving direction of the piston II;
the valve cavity is provided with a hole for the guide part to pass through, and the guide part passes through the hole; the guide part is sleeved with a spring, and the spring pushes the piston to move towards the direction of the through hole and block the through hole.
Preferably, in the pressure control device for the container, an inner cylinder is constructed on the inner wall of the shell, and the inner cylinder is matched with the through hole of the shell;
the shell is internally provided with a movable cylinder, one end of the movable cylinder is opened, and the other end of the movable cylinder is closed; the opening end of the movable cylinder is sleeved at the lower end of the inner cylinder and is fixed with the inner cylinder.
Preferably, in the container internal pressure control device, the internal cylinder body and the shell are integrally formed.
Preferably, the above-mentioned container internal pressure control device has a conduit in the container one, one end of the conduit is located in the container one, and the other end of the conduit passes through the end wall of the container one and has a valve.
Preferably, in the above container internal pressure control device, the volume ratio of the second container to the first container is 1:30-1:10, wherein the volume of the first container is 3L to 1000L.
The application has the advantages that:
according to the technical scheme, when the pressure in the first container is reduced, the pressure control release device can automatically act, the air core of the second container is opened, air is supplemented in the first container, and the pressure control release device is safe and reliable in action. The pressure control release device is simple in structure and low in cost, and can effectively reduce the use cost of the liquid pressure container.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic diagram of a connection structure between a second container and a pressure control release device according to the present application;
fig. 3 is a schematic view showing the internal structure of the pressure control release device of the present application.
Detailed Description
The technical features of the present application are further described below with reference to the accompanying drawings and the specific embodiments.
As shown in the figure, the application relates to a pressure control device in a container, which comprises a first container 1 and a second container 2 containing high-pressure gas. The second container 2 is placed in the first container 1, and the second container 2 is provided with a gas core. Vessel one 1 has a conduit 309 therein, one end of conduit 309 being located within vessel one 1 and the other end of conduit 309 passing through the end wall of vessel one 1 and having a valve 306.
In this embodiment, the volume ratio of container two 2 to container one 1 is 1:30 to 1:10, wherein the volume of container one 1 can be from 3L to 1000L.
The pressure control release device comprises a housing 301, a piston 302, an O-ring 307. The housing 301 has an internal cavity therein, an end of the housing 301 is configured with an opening communicating with the internal cavity of the housing 301, and the other end of the housing 301 remote from the open end is closed and fitted with a one-way valve assembly communicating with the exterior of the housing 301.
The second container 2 is a high-pressure gas tank, and one end of the second container 2 with a gas core is installed in the opening end of the shell 301 and fixed. The fixed connection mode of the second container 2 and the shell 301 may be threaded connection, and internal threads may be constructed in the opening of the shell 301 and external threads may be constructed at the end of the second container 2 with the air core. The fixed connection mode of the second container 2 and the shell 301 may be a snap connection, a claw may be constructed in the opening of the shell 301, a protrusion may be constructed at one end of the second container 2 with the air core, and the second container 2 and the shell 301 are fixed by matching the claw and the protrusion.
A piston 302 is mounted in the interior cavity of the housing 301, the piston 302 being pushed by air pressure to slide in the interior cavity of the housing 301.
As shown, the piston 302 divides the interior cavity of the housing 301 into two separate chambers, chamber one and chamber two, respectively.
The opening of the housing 301 communicates with the first chamber and the one-way valve assembly communicates with the second chamber. The piston 302 is matched with the air core of the second container 2 and pushes the air core to open after the piston 302 slides.
The first chamber is communicated with the interior of the first container 1 in such a way that a through hole is formed on the inner wall of the first chamber, the through hole penetrates through the side wall of the shell 301, and the first chamber is communicated with the interior of the first container 1 through the through hole.
The opposite side wall of the piston 302 and the inner cavity of the housing 301 is sleeved with an O-shaped sealing ring 307, and the O-shaped sealing ring 307 is in sliding contact with the inner side wall of the inner cavity of the housing 301.
The inner side wall of the interior cavity of the housing 301 is constructed with an annular stepped boss 308, the stepped boss 308 being located between the piston 302 and the check valve assembly and limiting movement of the piston 302 toward the check valve assembly.
In this embodiment, the second chamber has a valve cavity therein, and the second piston 303 is disposed in and moves within the valve cavity. The top wall of the second chamber is provided with a through hole, the through hole is formed in the end wall of one end, far away from the opening, of the shell 301, the through hole is communicated with the valve cavity, the second piston 303 is matched with the through hole, and the through hole is opened or closed in the moving process, so that the second chamber and the valve cavity are communicated or isolated from the interior of the first container 1.
The second piston 303 has a guide portion 3031, and as shown, the guide portion 3031 is a cylindrical rod, and a length extending direction of the guide portion 3031 is set along a moving direction of the second piston 303. The valve cavity has a hole through which the guide 3031 passes, the guide 3031 passing through the hole. The guide portion 3031 is sleeved with a spring 305, and the spring 305 provides a force for the second piston 303 to move towards the direction of the through hole.
An inner cylinder 3011 is constructed on the inner wall of the housing 301, and the inner cylinder 3011 is arranged in cooperation with a through hole of the housing 301. The casing 301 has a movable cylindrical body 3012 inside, and the movable cylindrical body 3012 is provided with an opening at one end and a closing at the other end. The opening end of the movable cylinder 3012 is sleeved at the lower end of the inner cylinder 3011 and fixed with the inner cylinder 3011.
The operating principle of the device is as follows:
after connecting the pressure release device with the container II 2, placing the pressure release device in the container I1, filling liquid into the container I1, and then inflating the container I1 to enable the internal pressure of the container I1 to reach more than 1 bar. At this time, under the pushing of the external pressure, the second piston 303 of the check valve moves toward the inner direction of the housing 301, so that the check valve is opened, the liquid or gas in the first container 1 enters the valve cavity to install how the valve cavity of the piston 3 of the check valve is communicated with the chamber 2 in the book, and is further introduced into the second chamber, so that the pressure of the second chamber is increased. Pressure p2=p1-F5/S3P 2 chamber 2 pressure, P1 container 1 pressure, spring force of F5 spring 305, cross-sectional area of S3 piston 303.
Because the interior of container 1 is in communication with chamber one, piston 302 is under upward pressure, but is trapped by step lobe 308, in a stationary state. When valve 306 is opened, the liquid in container one 1 will flow out under pressure along conduit 309. At this time, the pressure between the first chamber and the first container 1 is reduced, and when the pressure is reduced to be lower than that of the second chamber, the second piston 303 moves downward, so that the air core of the second container 2 is pressed downward, and the high-pressure air stored in the second container 2 is released, so as to continuously provide pressure for guiding out the liquid.
When valve 306 is closed and the pressure of the released gas increases to a pressure greater than the pressure of chamber two in chamber one and chamber one 1, piston 302 moves upward and no force is applied to the gas core and chamber two 2 stops releasing gas. When valve 306 is opened again, the process is repeated until all liquid is drained.
It should be understood that the above description is not intended to limit the application to the particular embodiments disclosed, but to limit the application to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by those skilled in the art without departing from the spirit and scope of the application.

Claims (9)

1. A device for controlling the pressure in a container comprises a container I (1) and a container II (2) containing high-pressure gas; the second container (2) is placed in the first container (1), the second container (2) is provided with a gas core, the second container (2) is connected with a pressure control release device, and the pressure control release device is matched with the gas core of the second container (2); the method is characterized in that:
the pressure control release device comprises a housing (301), wherein an inner cavity is formed in the housing (301), and an opening communicated with the inner cavity of the housing (301) is formed at the end part of the housing (301); one end of the shell (301) far away from the opening is provided with a one-way valve assembly communicated with the outside of the shell (301);
the shell (301) is internally provided with a piston (302), the piston (302) slides in the inner cavity of the shell (301) and divides the inner cavity of the shell (301) into two independent chambers, an opening of the shell (301) is communicated with one chamber, and the one-way valve assembly is communicated with the other chamber; the piston (302) is matched with the air core of the second container (2) and pushes the air core to open after the piston (302) slides;
the chamber communicating with the opening of the housing (301) communicates with the interior of the container one (1).
2. The in-container pressure control device according to claim 1, wherein: the side wall of the piston (302) opposite to the inner cavity of the shell (301) is sleeved with an O-shaped sealing ring (307); the O-ring (307) is in sliding contact with the inner side wall of the internal cavity of the housing (301).
3. The in-container pressure control device according to claim 1, wherein: the inner side wall of the inner cavity of the shell (301) is provided with an annular step bulge (308), and the step bulge (308) is positioned between the piston (302) and the one-way valve assembly and limits the movement of the piston (302) to the one-way valve assembly.
4. The in-container pressure control device according to claim 1, wherein: the one-way valve assembly comprises a piston two (303);
one end of the shell (301) far away from the opening is provided with a valve cavity, and the second piston (303) is positioned in the valve cavity and moves in the valve cavity; one end of the shell (301) far away from the opening is provided with a through hole communicated with the valve cavity, and the piston II (303) is matched with the through hole and opens the through hole after moving.
5. The in-container pressure control device according to claim 4, wherein: the second piston (303) is provided with a guide part (3031), the guide part (3031) is a cylindrical rod, and the length extension direction of the guide part (3031) is arranged along the moving direction of the second piston (303);
the valve cavity is provided with a hole for the guide part (3031) to pass through, and the guide part (3031) passes through the hole; the guide part (3031) is sleeved with a spring (305), and the spring (305) pushes the piston II (303) to move towards the direction of the through hole and block the through hole.
6. The in-container pressure control device according to claim 4, wherein: an inner cylinder (3011) is constructed on the inner wall of the shell (301), and the inner cylinder (3011) is matched with a through hole of the shell (301);
the shell (301) is internally provided with a movable barrel (3012), one end of the movable barrel (3012) is opened, and the other end of the movable barrel is closed; the opening end of the movable cylinder (3012) is sleeved at the lower end of the inner cylinder (3011) and is fixed with the inner cylinder (3011).
7. The in-container pressure control device according to claim 6, wherein: the inner cylinder (3011) and the shell (301) are integrally formed.
8. The in-container pressure control device according to claim 1, wherein: the container one (1) is internally provided with a conduit (309), one end of the conduit (309) is positioned in the container one (1), and the other end of the conduit (309) passes through the end wall of the container one (1) and is provided with a valve (306).
9. The in-container pressure control device according to claim 1, wherein: the volume ratio of the second container (2) to the first container (1) is 1:30-1:10, wherein the volume of the first container (1) is 3L to 1000L.
CN202310834184.0A 2023-07-07 2023-07-07 Pressure control device in container Pending CN116906815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310834184.0A CN116906815A (en) 2023-07-07 2023-07-07 Pressure control device in container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310834184.0A CN116906815A (en) 2023-07-07 2023-07-07 Pressure control device in container

Publications (1)

Publication Number Publication Date
CN116906815A true CN116906815A (en) 2023-10-20

Family

ID=88355676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310834184.0A Pending CN116906815A (en) 2023-07-07 2023-07-07 Pressure control device in container

Country Status (1)

Country Link
CN (1) CN116906815A (en)

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