CN112363549A

CN112363549A - Pressure-adjustable device for pressure container and implementation method thereof

Info

Publication number: CN112363549A
Application number: CN202011198532.2A
Authority: CN
Inventors: 苏丽霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-02-12

Abstract

The invention discloses a pressure adjustable device for a pressure container, and also discloses an implementation method of the pressure adjustable device for the pressure container, which comprises a container bearing mechanism and a pressure adjusting mechanism, wherein one end of the container bearing mechanism is connected with the pressure adjusting mechanism, the device can utilize a pressure measuring probe to monitor the pressure in a tank body in real time, transmit a pressure value to a control box for analysis and processing, synchronously open a first electromagnetic valve and a hydraulic oil cylinder if the pressure is judged to exceed or be lower than a preset parameter, drive a cylinder rod to push an extrusion piston to move upwards or downwards through the hydraulic oil cylinder, thereby reducing or increasing the pressure at the bottom of an inner cavity of an upper pressure cylinder, transmit air flow in the tank body to the upper pressure cylinder through a pressure pipeline for pressure relief or transmit the air flow in the upper pressure cylinder to the tank body through the pressure pipeline for pressure boost, compared with a common pressure container, which can conveniently use the motion state of the extruding piston to adjust the pressure value in the container.

Description

Pressure-adjustable device for pressure container and implementation method thereof

Technical Field

The invention relates to the technical field of pressure containers, in particular to a pressure-adjustable device for a pressure container and an implementation method thereof.

Background

A pressure vessel is a closed vessel that can withstand pressure. The pressure container has wide application range, and has important position and function in many departments of industry, civil use, military industry and the like and many fields of scientific research. Among them, the pressure vessels used in the petrochemical industry alone account for about 50% of the total number of pressure vessels, in order to be used in the chemical industry and the petrochemical industry at most. The pressure container is mainly used for the technical processes of heat transfer, mass transfer, reaction and the like, and storing and transporting gas or liquefied gas with pressure in the fields of chemical industry and petrochemical industry; it is also widely used in other industrial and domestic applications, such as air compressors. Auxiliary machines (such as a cooler, a buffer, an oil-water separator, a gas tank, an evaporator, and a liquid coolant tank) of various special compressors and refrigeration compressors belong to pressure vessels.

The pressure of the existing pressure container can not be adjusted generally, the pressure adjusting mode is single, the use requirement can not be met, the pressure detection direction is fixed, and the safety factor is low when the pressure detection device is used.

Aiming at the problems, the invention provides a pressure-adjustable device for a pressure container and an implementation method thereof, and the pressure-adjustable device has the advantages of convenience in pressure adjustment, more flexible pressure detection direction, higher safety coefficient in use and the like.

Disclosure of Invention

The invention aims to provide a pressure adjustable device for a pressure container and an implementation method thereof, wherein a pressure measuring probe on a sensing structure is used for monitoring the pressure in a tank body in real time, the pressure value is transmitted to a control box for analysis and processing, if the pressure exceeds a preset parameter, a first electromagnetic valve and a hydraulic oil cylinder are synchronously opened, a cylinder rod is driven by the hydraulic oil cylinder to push an extrusion piston to move upwards, so that the pressure at the bottom of an inner cavity of an upper pressure cylinder is reduced, air flow in the tank body is conveyed into the upper pressure cylinder through a pressure pipeline for pressure relief, when the pressure value in the tank body is consistent with the preset parameter, the first electromagnetic valve and the hydraulic oil cylinder are synchronously closed to stop the operation of the extrusion piston, if the pressure is judged to be lower than the preset parameter, the first electromagnetic valve and the hydraulic oil cylinder are synchronously opened, the cylinder rod is driven by the hydraulic oil cylinder to push, thereby make and press section of thick bamboo inner chamber bottom pressure to on will press the air current in the section of thick bamboo to carry the jar body through the pressure pipeline and carry out the pressure boost, treat that the internal pressure value of jar is unanimous with predetermined parameter, close first solenoid valve and hydraulic cylinder in step, make its stop work, it has pressure adjustment convenience, pressure detection position comparatively nimble and when using factor of safety advantage such as higher, can solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the invention provides the following technical scheme: a pressure adjustable device for a pressure container comprises a container bearing mechanism and a pressure adjusting mechanism, wherein one end of the container bearing mechanism is connected with the pressure adjusting mechanism, the container bearing mechanism comprises a pressure container body, a bearing cabinet and a control box, the bearing cabinet is installed at the bottom end of the pressure container body, rollers are arranged at the bottom end of the bearing cabinet, the control box is fixedly arranged on the outer wall of one side of the bearing cabinet, a sensing structure is installed on the upper end face of the pressure container body, the bottom end of the sensing structure extends into an inner cavity of the pressure container body, a driving lifting assembly is screwed on the outer wall of the pressure container body, the pressure container body is respectively composed of a tank cover and a tank body, and one end of the tank body is connected with the pressure;

the pressure adjusting mechanism comprises a pressure adjusting cylinder and a pressure relief structure, the pressure adjusting cylinder is composed of an upper pressure cylinder, a diffusion screw cylinder and a pressure transmission pipe, one end of the upper pressure cylinder is communicated with the inner cavity of the tank body through a pressure pipeline, a first electromagnetic valve is further arranged on the outer side of the pressure pipeline, the first electromagnetic valve is electrically connected with a control box, and the outer side of the pressure adjusting cylinder is connected with the pressure relief structure.

Further, the sensing structure includes gear motor, the bull stick, first sleeve and second sleeve, gear motor's top is provided with the pilot lamp, gear motor's outer wall surface mounting has the display screen, gear motor's output is provided with the bull stick, the bottom of bull stick stretches into in the inner chamber of the jar body, and the outer wall of bull stick has cup jointed first sleeve and second sleeve along the circumferencial direction in proper order, be provided with the thermoscope on the first telescopic outer wall, and the joint has miniature cylinder on one side outer wall of second sleeve, miniature cylinder's bottom is provided with the push rod, and the bottom of push rod installs the pressure measurement probe, the pressure measurement probe is a model number PT 124G/B's pressure sensor.

Further, the drive rises the subassembly and includes arc locating piece, cylinder and locating plate, and fastener joint cover is passed through to the inboard of arc locating piece, and the cylinder output is provided with the movable rod, and the arc locating piece is connected on the top of movable rod, and the inboard of cylinder has set firmly the reinforcing plate, and the locating plate is connected to the one end of reinforcing plate, and the inboard spiro union of locating plate is on the outer wall of the jar body.

Furthermore, a diffusion screw cylinder is installed at the bottom end of the upper pressure cylinder, one end of the upper pressure cylinder is communicated with the pressure transmission pipe, the other end of the pressure transmission pipe is communicated with the diffusion screw cylinder, a hydraulic oil cylinder is arranged at the upper end of the upper pressure cylinder, a cylinder rod is arranged at the output end of the hydraulic oil cylinder, an extrusion piston is installed at the bottom end of the cylinder rod, and the extrusion piston is located in an inner cavity of the upper pressure cylinder.

Further, the bottom end of the inner wall of one side, close to the pressure pipeline, of the upper pressure cylinder is provided with a through pipe, one end of the through pipe is communicated with the pressure pipeline, the upper end of the inner cavity of the diffusion screw cylinder is provided with a second electromagnetic valve, the outer wall of the pressure transmission pipe is respectively provided with two sets of third electromagnetic valves in the vertical direction, a pressure inlet pipe is arranged between the third electromagnetic valves, and the second electromagnetic valves and the third electromagnetic valves are electrically connected with a control box.

Further, the pressure release structure includes pressure release pipe and locating rack, and the one end intercommunication diffusion spiral shell section of thick bamboo of pressure release pipe and its other end connect the locating rack, and the pump is installed to the bottom of pressure release pipe, and the outside of locating rack is provided with a plurality of groups of outlet ducts, and the inboard intercommunication pressure release pipe of outlet duct.

Furthermore, an explosion-proof motor is fixedly arranged on the outer wall of one side, away from the bearing cabinet, of the positioning frame, the output end of the explosion-proof motor is provided with a driving shaft, the other end of the driving shaft is connected with a rotating shaft piece, a plurality of groups of baffles are arranged in the inner cavity of the positioning frame, one end of each baffle is connected with the rotating shaft piece, and the other end of each baffle is connected with the inner wall of the positioning frame through a rotating column.

Further, the maximum rotation angle of the baffle is 90 degrees, and no gap exists between the adjacent baffles when the baffles are positioned at the same horizontal position.

The invention provides another technical scheme that: the implementation method of the pressure-adjustable device for the pressure container comprises the following steps:

s1: monitoring the pressure in the tank body in real time by using a pressure measuring probe on the sensing structure, transmitting the pressure value to a control box for analysis and processing, and synchronously opening a first electromagnetic valve and a hydraulic oil cylinder if the pressure exceeds a preset parameter;

s2: the hydraulic oil cylinder drives the cylinder rod to push the extrusion piston to move upwards, so that the pressure at the bottom of the inner cavity of the upper pressure cylinder is reduced, the air flow in the tank body is conveyed into the upper pressure cylinder through a pressure pipeline to be decompressed, and when the pressure value in the tank body is consistent with a preset parameter, the first electromagnetic valve and the hydraulic oil cylinder are synchronously closed to stop working;

s3: if the pressure is judged to be lower than the preset parameter, the first electromagnetic valve and the hydraulic oil cylinder are synchronously opened;

s4: the hydraulic oil cylinder is used for driving the cylinder rod to push the extrusion piston to move downwards, so that the pressure at the bottom of the inner cavity of the upper pressing cylinder rises, the air flow in the upper pressing cylinder is conveyed into the tank body through a pressure pipeline to be pressurized, and when the pressure value in the tank body is consistent with preset parameters, the first electromagnetic valve and the hydraulic oil cylinder are synchronously closed to stop working.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a pressure adjustable device for a pressure container and an implementation method thereof, wherein one end of an upper pressure cylinder is communicated with an inner cavity of a tank body through a pressure pipeline, a hydraulic oil cylinder is arranged at the upper end of the upper pressure cylinder, so that the device can utilize a pressure measuring probe on a sensing structure to monitor the pressure in the tank body in real time, and transmit a pressure value to a control box for analysis and processing, if the pressure exceeds or is lower than a preset parameter, a first electromagnetic valve and the hydraulic oil cylinder are synchronously opened, a cylinder rod is driven by the hydraulic oil cylinder to push an extrusion piston to move upwards or downwards, so that the pressure at the bottom of the inner cavity of the upper pressure cylinder is reduced or increased, and air flow in the tank body is conveyed into the upper pressure cylinder through a pressure pipeline to be decompressed or conveyed into the tank body through the pressure pipeline to be boosted, compared with a common pressure container, the pressure adjustable device can conveniently utilize the motion state of the extrusion piston to adjust the pressure value in the container and and (4) using the demand.

2. The invention provides a pressure adjustable device for a pressure container and an implementation method thereof, wherein one end of an upper pressure cylinder is communicated with a pressure transmission pipe, the other end of the pressure transmission pipe is communicated with a diffusion screw cylinder, the outer side of a pressure adjusting cylinder is connected with a pressure relief structure, so that when the pressure in a tank body is adjusted by utilizing the motion state of an extrusion piston, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve can be synchronously opened, an external booster pump is connected with a pressure input pipe, the pressure transmission pipe is utilized to transmit pressure to the inner cavity of the upper pressure cylinder, simultaneously, air flow in the upper pressure cylinder is transmitted into the tank body through a pressure pipeline to realize synchronous pressurization, when the pressure in the tank body exceeds a preset parameter, the first electromagnetic valve, the second electromagnetic valve and the pressure extraction pump are opened, and the air flow in the upper pressure cylinder is discharged out of the device through the pressure release pipe and an air outlet pipe, the negative pressure is realized in the upper pressure cylinder, the air flow in the tank body is conveyed into the upper pressure cylinder through the pressure pipeline to be decompressed, and meanwhile, the explosion-proof motor can be used for driving the baffle to rotate by a certain angle, so that the contact area between the baffle and the positioning frame is changed, and the air output and the pressure release speed can also be indirectly controlled.

3. The invention provides a pressure adjustable device for a pressure container and an implementation method thereof, wherein a sensing structure is arranged on the upper end surface of a pressure container body, the bottom end of the sensing structure extends into the inner cavity of the pressure container body, the temperature and the pressure in the tank body can be detected by the temperature detector and the pressure measuring probe, the vertical position of the pressure measuring probe can be changed by driving the push rod through the micro cylinder, the detection angle of the pressure measuring probe can be conveniently adjusted by driving the rotating rod through the speed reducing motor, thereby being beneficial to monitoring the pressure of different parts in the tank body and sending the pressure data to the control box for monitoring and processing in real time, if the pressure value in the tank body exceeds or is lower than the preset parameter value, then utilize the pilot lamp to carry out the early warning, and can understand the pressure distribution condition in the jar body better, the pressure detection position is comparatively nimble, and application safety factor is also higher.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pressure-adjustable device for a pressure vessel according to the present invention;

FIG. 2 is a schematic structural view of a container support mechanism of the pressure container with the pressure adjusting device according to the present invention;

FIG. 3 is a schematic diagram of a sensing structure of the pressure-adjustable device for a pressure container according to the present invention;

FIG. 4 is a schematic diagram illustrating the upward movement of the squeeze piston of the pressure regulating device for a pressure container according to the present invention;

FIG. 5 is a schematic view of a downward movement state of a pressing piston of the pressure container with the pressure adjusting device according to the present invention;

FIG. 6 is a schematic view of a pressure relief structure of the pressure adjustable device for a pressure vessel according to the present invention;

FIG. 7 is a front view of the internal structure of the pressure relief structure of the pressure regulating device for a pressure container according to the present invention;

FIG. 8 is a schematic diagram of a driving and lifting assembly of the pressure-adjustable device for a pressure vessel according to the present invention.

In the figure: 1. a container carrying mechanism; 11. a pressure vessel body; 111. a sensing structure; 1111. a reduction motor; 11111. an indicator light; 11112. a display screen; 1112. a rotating rod; 1113. a first sleeve; 11131. a temperature detector; 1114. a second sleeve; 11141. a micro cylinder; 11142. a push rod; 11143. a pressure measuring probe; 112. driving the lift assembly; 1121. an arc-shaped positioning block; 11211. a fastener; 1122. a cylinder; 11221. a movable rod; 11222. a reinforcing plate; 1123. positioning a plate; 113. a can lid; 114. a tank body; 12. a load bearing cabinet; 121. a roller; 13. a control box; 2. a pressure adjustment mechanism; 21. a pressure regulating cylinder; 211. pressing the cylinder upwards; 2111. a pressure line; 21111. a first electromagnetic valve; 2112. a hydraulic cylinder; 21121. a cylinder rod; 21122. a squeeze piston; 2113. pipe passing; 212. a diffusion screw cylinder; 2121. a second electromagnetic valve; 213. a pressure transmitting pipe; 2131. a third electromagnetic valve; 2132. a pressure inlet pipe; 22. a pressure relief structure; 221. a pressure relief pipe; 2211. a pumping pump; 222. a positioning frame; 2221. an air outlet pipe; 2222. an explosion-proof motor; 22221. a drive shaft; 22222. a shaft member; 2223. a baffle plate; 22231. and (4) rotating the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 8, a pressure adjustable device for a pressure container includes a container carrying mechanism 1 and a pressure adjusting mechanism 2, one end of the container carrying mechanism 1 is connected with the pressure adjusting mechanism 2, the container carrying mechanism 1 includes a pressure container body 11, a carrying cabinet 12 and a control box 13, the carrying cabinet 12 is installed at the bottom end of the pressure container body 11, rollers 121 are installed at the bottom end of the carrying cabinet 12, the control box 13 is fixedly installed on the outer wall of one side of the carrying cabinet 12, a sensing structure 111 is installed on the upper end face of the pressure container body 11, the bottom end of the sensing structure 111 extends into the inner cavity of the pressure container body 11, a driving and lifting assembly 112 is screwed on the outer wall of the pressure container body 11, the pressure container body 11 is respectively composed of a tank cover 113 and a tank body 114, and one end of the tank body 114 is connected with the pressure adjusting mechanism; the driving and lifting assembly 112 comprises an arc-shaped positioning block 1121, an air cylinder 1122 and a positioning plate 1123, the inner side of the arc-shaped positioning block 1121 is clamped with the tank cover 113 through a clamping piece 11211, the output end of the air cylinder 1122 is provided with a movable rod 11221, the top end of the movable rod 11221 is connected with the arc-shaped positioning block 1121, the inner side of the air cylinder 1122 is fixedly provided with a reinforcing plate 11222, one end of the reinforcing plate 11222 is connected with the positioning plate 1123, and the inner side of the positioning plate 1123 is screwed on the outer.

Referring to fig. 1 and 4-7, a pressure adjusting mechanism 2 of a pressure vessel includes a pressure adjusting cylinder 21 and a pressure relief structure 22, the pressure adjusting cylinder 21 is composed of an upper pressure cylinder 211, a diffusion screw cylinder 212 and a pressure pipe 213, one end of the upper pressure cylinder 211 is connected to an inner cavity of a tank 114 through a pressure pipeline 2111, a first electromagnetic valve 21111 is further disposed outside the pressure pipeline 2111, the first electromagnetic valve 21111 is electrically connected to a control box 13, and the pressure relief structure 22 is connected to an outside of the pressure adjusting cylinder 21, so that the pressure value in the vessel can be adjusted by using a motion state of a squeezing piston 21122, and when the pressure in the tank 114 is lower than a predetermined parameter, the first electromagnetic valve 21111, a second electromagnetic valve 2121 and a third electromagnetic valve 2131 are synchronously opened, an external booster pump is connected to the pressure pipe 2112, the pressure pipe 213 is used to press the inner cavity of the pressure cylinder 211, meanwhile, the air flow in the upper pressure cylinder 211 is conveyed into the tank body 114 through the pressure pipeline 2111 to realize synchronous pressurization, when the pressure in the tank body 114 exceeds a preset parameter, the first electromagnetic valve 21111, the second electromagnetic valve 2121 and the pressure extraction pump 2211 are opened, the air flow in the upper pressure cylinder 211 is exhausted out of the device through the pressure relief pipe 221 and the air outlet pipe 2221, negative pressure is realized in the upper pressure cylinder 211, the air flow in the tank body 114 is conveyed into the upper pressure cylinder 211 through the pressure pipeline 2111 to be relieved, meanwhile, the explosion-proof motor 2222 can be used for driving the baffle 2223 to rotate for a certain angle, so that the contact area between the baffle 2223 and the positioning frame 222 is changed, and the air outlet amount and the pressure relief speed can be indirectly controlled; a diffusion screw tube 212 is arranged at the bottom end of the upper pressure tube 211, one end of the upper pressure tube 211 is communicated with a pressure transmission tube 213, the other end of the pressure transmission tube 213 is communicated with the diffusion screw tube 212, a hydraulic oil cylinder 2112 is arranged at the upper end of the upper pressure tube 211, a cylinder rod 21121 is arranged at the output end of the hydraulic oil cylinder 2112, a squeezing piston 21122 is arranged at the bottom end of the cylinder rod 21121, the squeezing piston 21122 is positioned in the inner cavity of the upper pressure tube 211, so that the device can utilize a pressure measurement probe 11143 on the sensing structure 111 to monitor the pressure in the tank body 114 in real time, and transmit a pressure value to the control box 13 for analysis and processing, if the pressure exceeds or is lower than a preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously opened, the cylinder rod 21121 is driven by the hydraulic oil cylinder 2112 to push the squeezing piston 21122 to move upwards or downwards, so that the pressure at the bottom of the inner cavity of the upper pressure tube 211 is reduced or increased, and the air flow in the The passage 2111 is conveyed into the tank body 114 to realize pressurization, compared with a common pressure container, the pressure value in the container can be adjusted by conveniently utilizing the motion state of the extrusion piston 21122, and the use requirement can be better met; a through pipe 2113 is arranged at the bottom end of the inner wall of one side of the upper pressure cylinder 211 close to the pressure pipeline 2111, one end of the through pipe 2113 is communicated with the pressure pipeline 2111, a second electromagnetic valve 2121 is arranged at the upper end of the inner cavity of the diffusion screw cylinder 212, two groups of third electromagnetic valves 2131 are respectively arranged on the outer wall of the pressure transmission pipe 213 along the vertical direction, a pressure inlet pipe 2132 is arranged between the third electromagnetic valves 2131, and the second electromagnetic valve 2121 and the third electromagnetic valves 2131 are both electrically connected with the control box 13; the pressure relief structure 22 comprises a pressure relief pipe 221 and a positioning frame 222, one end of the pressure relief pipe 221 is communicated with the inner cavity of the diffusion screw cylinder 212, the other end of the pressure relief pipe 221 is connected with the positioning frame 222, a pumping pump 2211 is installed at the bottom end of the pressure relief pipe 221, a plurality of groups of air outlet pipes 2221 are arranged on the outer side of the positioning frame 222, and the inner sides of the air outlet pipes 2221 are communicated with the pressure relief pipe 221; an explosion-proof motor 2222 is fixedly arranged on the outer wall of one side of the positioning frame 222, which is far away from the bearing cabinet 12, the output end of the explosion-proof motor 2222 is provided with a driving shaft 22221, the other end of the driving shaft 22221 is connected with a rotating shaft 22222, a plurality of groups of baffles 2223 are arranged in the inner cavity of the positioning frame 222, one end of each baffle 2223 is connected with the rotating shaft 22222, and the other end of each baffle 2223 is connected with the inner wall of the positioning frame 222 through a rotating; the maximum rotation angle of the baffles 2223 is 90 degrees, and there is no gap between adjacent baffles 2223 when they are at the same horizontal position.

Referring to fig. 2-3, a pressure adjustable device for a pressure container, a sensing structure 111 includes a decelerating motor 1111, a rotating rod 1112, a first sleeve 1113 and a second sleeve 1114, an indicator 11111 is disposed at a top end of the decelerating motor 1111, a display 11112 is mounted on an outer wall surface of the decelerating motor 1111, the rotating rod 1112 is disposed at an output end of the decelerating motor 1111, a bottom end of the rotating rod 1112 extends into an inner cavity of the tank 114, the first sleeve 1113 and the second sleeve 1114 are sequentially sleeved on an outer wall of the rotating rod 1112 along a circumferential direction, a temperature detector 11131 is disposed on the outer wall of the first sleeve 1113, a micro cylinder 11141 is clamped on an outer wall of one side of the second sleeve 1114, a push rod 11142 is disposed at a bottom end of the micro cylinder 11141, a pressure measuring probe 11143 is mounted at a bottom end of the push rod 11142, the pressure measuring probe 11143 is a PT124G/B pressure sensor, such that when the temperature and the pressure in the tank 114 are detected by the temperature detector 11131 and the pressure measuring probe 11143, can also change the vertical position of pressure measurement probe 11143 through miniature cylinder 11141 drive push rod 11142, and utilize gear motor 1111 drive bull stick 1112 to conveniently adjust the detection angle of pressure measurement probe 11143, thereby be favorable to carrying out pressure monitoring to different positions in the jar body 114, and send pressure data in real time for control box 13 and monitor and handle, if the pressure value in the jar body 114 exceeds or is less than when predetermined parameter value, then utilize pilot lamp 11111 to carry out the early warning, and can know the pressure distribution condition in the jar body 114 better, the pressure detection position is comparatively nimble, and use factor of safety is also higher.

In order to better demonstrate the implementation process of the pressure-adjustable device for pressure vessels, the present embodiment now proposes an implementation method of the pressure-adjustable device for pressure vessels, comprising the following steps:

the method comprises the following steps: the pressure in the tank body 114 is monitored in real time by using the pressure measuring probe 11143 on the sensing structure 111, the pressure value is transmitted to the control box 13 for analysis and processing, and if the pressure exceeds a preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously opened;

step two: the hydraulic oil cylinder 2112 drives the cylinder rod 21121 to push the extrusion piston 21122 to move upwards, so that the pressure at the bottom of the inner cavity of the upper pressure cylinder 211 is reduced, the air flow in the tank body 114 is conveyed into the upper pressure cylinder 211 through the pressure pipeline 2111 to be decompressed, and when the pressure value in the tank body 114 is consistent with a preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously closed to stop working;

step three: if the pressure is lower than the preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously opened;

step four: the hydraulic oil cylinder 2112 is used for driving the cylinder rod 21121 to push the extrusion piston 21122 to move downwards, so that the pressure at the bottom of the inner cavity of the upper pressure cylinder 211 is increased, the air flow in the upper pressure cylinder 211 is conveyed into the tank body 114 through the pressure pipeline 2111 for pressurization, and when the pressure value in the tank body 114 is consistent with a preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously closed to stop working.

The working principle is as follows: the pressure in the tank body 114 is monitored in real time by using a pressure measuring probe 11143 on the sensing structure 111, and the pressure value is transmitted to the control box 13 for analysis and processing, if the pressure exceeds a preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously opened, the cylinder rod 21121 is driven by the hydraulic oil cylinder 2112 to push the extrusion piston 21122 to move upwards, so that the pressure at the bottom of the inner cavity of the upper pressure cylinder 211 is reduced, the air flow in the tank body 114 is conveyed into the upper pressure cylinder 211 through the pressure pipeline 2111 to be decompressed, when the pressure value in the tank body 114 is consistent with the preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously closed to stop working, if the pressure is judged to be lower than the preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously opened, the cylinder rod 21121 is driven by the hydraulic oil cylinder 2112 to push the extrusion piston 21122 to move downwards, so that the pressure at the bottom, and the air flow in the upper pressure cylinder 211 is conveyed into the tank body 114 through the pressure pipeline 2111 for pressurization, and when the pressure value in the tank body 114 is consistent with a preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously closed to stop working.

In summary, the following steps: the invention provides a pressure adjustable device for a pressure container and an implementation method thereof, wherein a bearing cabinet 12 is arranged at the bottom end of a pressure container body 11, a roller 121 is arranged at the bottom end of the bearing cabinet 12, a control box 13 is fixedly arranged on the outer wall of one side of the bearing cabinet 12, a sensing structure 111 is arranged on the upper end surface of the pressure container body 11, the bottom end of the sensing structure 111 extends into an inner cavity of the pressure container body 11, a driving and lifting assembly 112 is screwed on the outer wall of the pressure container body 11, so that when a temperature measurer 11131 and a pressure measuring probe 11143 are used for detecting the temperature and the pressure in a tank body 114, a push rod 11142 can be driven by a micro cylinder 11141 to change the vertical direction of the pressure measuring probe 11143, a reducing motor 1111 is used for driving a rotating rod 1112 to conveniently adjust the detection angle of the pressure measuring probe 11143, thereby being beneficial to monitoring the pressure of different parts in the tank body 114 and sending pressure data to the control box 13 for, if the pressure value in the tank 114 exceeds or is lower than the preset parameter value, an early warning is performed by using an indicator lamp 11111, the pressure distribution condition in the tank 114 can be better known, the pressure detection direction is flexible, and the safety factor of use is high, one end of the tank 114 is connected with a pressure adjusting mechanism 2, one end of an upper pressing cylinder 211 is communicated with the inner cavity of the tank 114 through a pressure pipeline 2111, a first electromagnetic valve 21111 is further arranged outside the pressure pipeline 2111, and a hydraulic oil cylinder 2112 is arranged at the upper end of the upper pressing cylinder 211, so that the device can monitor the pressure in the tank 114 in real time by using a pressure measuring probe 11143 on a sensing structure 111 and transmit the pressure value to a control box 13 for analysis and processing, if the pressure exceeds or is lower than the preset parameter, the first electromagnetic valve 21111 and the hydraulic oil cylinder 2112 are synchronously opened, a cylinder rod 21121 is driven by the hydraulic oil cylinder 2112 to push an extrusion piston 21122 to move, so as to make the bottom pressure of the inner cavity of the upper pressure cylinder 211 decrease or increase, and convey the air current in the tank body 114 to the upper pressure cylinder 211 through the pressure pipe 2111 for pressure relief, or convey the air current in the upper pressure cylinder 211 to the tank body 114 through the pressure pipe 2111 for pressure boost, compared with the general pressure container, it can conveniently utilize the motion state of the extrusion piston 21122 to adjust the pressure value in the container and can also meet the use requirement, one end of the upper pressure cylinder 211 is communicated with the pressure pipe 213, the other end of the pressure pipe 213 is communicated with the diffusion screw barrel 212, and the outside of the pressure adjusting cylinder 21 is connected with the pressure relief structure 22, so that the pressure value in the container is adjusted by utilizing the motion state of the extrusion piston 21122, and when the pressure in the tank body 114 is lower than the predetermined parameter, the first electromagnetic valve 21111, the second electromagnetic valve 2121 and the third electromagnetic valve 2131 are synchronously opened, and the booster pump is externally connected to the pressure pipe 2132, the pressure is transmitted to the inner cavity of the upper pressure cylinder 211 by using the pressure transmission pipe 213, and simultaneously the air flow in the upper pressure cylinder 211 is transmitted to the tank body 114 through the pressure pipeline 2111 to realize synchronous pressurization, when the pressure in the tank body 114 exceeds a predetermined parameter, the first electromagnetic valve 21111, the second electromagnetic valve 2121 and the pressure pumping pump 2211 are opened, the air flow in the upper pressure cylinder 211 is discharged out of the device through the pressure release pipe 221 and the air outlet pipe 2221, negative pressure is realized in the upper pressure cylinder 211, the air flow in the tank body 114 is transmitted to the upper pressure cylinder 211 through the pressure pipeline 2111 to be decompressed, and meanwhile, the baffle 2223 can be driven by the explosion-proof motor 2222 to rotate by a certain angle, so that the contact area between the baffle 2223 and the positioning frame 222 is changed, and the air output and the speed can be indirectly controlled.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a pressure-adjustable device for pressure vessel, includes that container bears mechanism (1) and pressure adjustment mechanism (2), and the one end that container bore mechanism (1) is connected with pressure adjustment mechanism (2), its characterized in that: the container bearing mechanism (1) comprises a pressure container body (11), a bearing cabinet (12) and a control box (13), wherein the bearing cabinet (12) is installed at the bottom end of the pressure container body (11), rollers (121) are arranged at the bottom end of the bearing cabinet (12), the control box (13) is fixedly arranged on the outer wall of one side of the bearing cabinet (12), a sensing structure (111) is installed on the upper end face of the pressure container body (11), the bottom end of the sensing structure (111) extends into an inner cavity of the pressure container body (11), a driving lifting assembly (112) is screwed on the outer wall of the pressure container body (11), the pressure container body (11) is respectively composed of a tank cover (113) and a tank body (114), and one end of the tank body (114) is connected with a pressure adjusting mechanism (2);

pressure adjustment mechanism (2) are including pressure adjustment section of thick bamboo (21) and pressure release structure (22), pressure adjustment section of thick bamboo (21) are by last pressure section of thick bamboo (211), diffusion spiral shell section of thick bamboo (212) and defeated pressure pipe (213) are constituteed, go up the inner chamber that pressure section of thick bamboo (211) passed through pressure channel (2111) intercommunication jar body (114), and the outside of pressure channel (2111) still is provided with first solenoid valve (21111), first solenoid valve (21111) electric connection control box (13), and the outside of pressure adjustment section of thick bamboo (21) is connected with pressure release structure (22).

2. A pressure-adjustable device for a pressure vessel as defined in claim 1, wherein: the sensing structure (111) comprises a speed reducing motor (1111), a rotating rod (1112), a first sleeve (1113) and a second sleeve (1114), an indicator lamp (11111) is arranged at the top end of the speed reducing motor (1111), a display screen (11112) is arranged on the surface of the outer wall of the speed reducing motor (1111), the rotating rod (1112) is arranged at the output end of the speed reducing motor (1111), the bottom end of the rotating rod (1112) extends into the inner cavity of the tank body (114), and the outer wall of the rotating rod (1112) is sleeved with a first sleeve (1113) and a second sleeve (1114) in sequence along the circumferential direction, the outer wall of the first sleeve (1113) is provided with a temperature detector (11131), and the outer wall of one side of the second sleeve (1114) is clamped with a micro cylinder (11141), the bottom end of the micro cylinder (11141) is provided with a push rod (11142), and the bottom end of the push rod (11142) is provided with a pressure measuring probe (11143), and the pressure measuring probe (11143) is a pressure sensor of a model PT 124G/B.

3. A pressure-adjustable device for a pressure vessel as defined in claim 1, wherein: the drive lifting assembly (112) comprises an arc-shaped positioning block (1121), an air cylinder (1122) and a positioning plate (1123), the inner side of the arc-shaped positioning block (1121) is connected with a tank cover (113) in a clamping mode through a clamping piece (11211), the output end of the air cylinder (1122) is provided with a movable rod (11221), the top end of the movable rod (11221) is connected with the arc-shaped positioning block (1121), the inner side of the air cylinder (1122) is fixedly provided with a reinforcing plate (11222), one end of the reinforcing plate (11222) is connected with the positioning plate (1123), and the inner side of the positioning plate (1123) is in threaded connection.

4. A pressure-adjustable device for a pressure vessel as defined in claim 1, wherein: the bottom end of the upper pressure cylinder (211) is provided with a diffusion screw cylinder (212), one end of the upper pressure cylinder (211) is communicated with the pressure transmission pipe (213), the other end of the pressure transmission pipe (213) is communicated with the diffusion screw cylinder (212), the upper end of the upper pressure cylinder (211) is provided with a hydraulic oil cylinder (2112), the output end of the hydraulic oil cylinder (2112) is provided with a cylinder rod (21121), the bottom end of the cylinder rod (21121) is provided with an extrusion piston (21122), and the extrusion piston (21122) is positioned in the inner cavity of the upper pressure cylinder (211).

5. A pressure-adjustable device for a pressure vessel as defined in claim 1, wherein: go up pressure section of thick bamboo (211) and be close to one side inner wall bottom of pressure conduit (2111) and be provided with siphunculus (2113), the one end intercommunication pressure conduit (2111) of siphunculus (2113), and second solenoid valve (2121) are installed to the inner chamber upper end of diffusion spiral shell section of thick bamboo (212), the outer wall of defeated pressure pipe (213) is provided with two sets of third solenoid valve (2131) respectively along the vertical direction, be provided with between third solenoid valve (2131) and advance and press pipe (2132), and second solenoid valve (2121) and the equal electric connection control box (13) of third solenoid valve (2131).

6. A pressure-adjustable device for a pressure vessel as defined in claim 1, wherein: the pressure relief structure (22) comprises a pressure relief pipe (221) and a positioning frame (222), one end of the pressure relief pipe (221) is communicated with the inner cavity of the diffusion screw cylinder (212) and the other end of the pressure relief pipe is connected with the positioning frame (222), a pumping pump (2211) is installed at the bottom end of the pressure relief pipe (221), a plurality of groups of air outlet pipes (2221) are arranged on the outer side of the positioning frame (222), and the inner side of each air outlet pipe (2221) is communicated with the pressure relief pipe (221).

7. A pressure-adjustable device for a pressure vessel as defined in claim 6, wherein: an explosion-proof motor (2222) is fixedly arranged on the outer wall of one side, away from the bearing cabinet (12), of the positioning frame (222), a driving shaft (22221) is arranged at the output end of the explosion-proof motor (2222), the other end of the driving shaft (22221) is connected with a rotating shaft piece (22222), a plurality of groups of baffles (2223) are arranged in the inner cavity of the positioning frame (222), one end of each baffle (2223) is connected with the rotating shaft piece (22222), and the other end of each baffle is connected with the inner wall of the positioning frame (222) through a rotating column (22231).

8. A pressure-adjustable device for a pressure vessel as defined in claim 7, wherein: the maximum rotation angle of the baffle plates (2223) is 90 degrees, and no gap exists between the adjacent baffle plates (2223) when the baffle plates are in the same horizontal position.

9. A method for implementing a device for regulating the pressure for a pressurized container according to any one of claims 1 to 8, comprising the following steps:

s1: the pressure in the tank body (114) is monitored in real time by using a pressure measuring probe (11143) on the sensing structure (111), a pressure value is transmitted to the control box (13) for analysis and processing, and if the pressure exceeds a preset parameter, the first electromagnetic valve (21111) and the hydraulic oil cylinder (2112) are synchronously opened;

s2: the hydraulic oil cylinder (2112) drives a cylinder rod (21121) to push an extrusion piston (21122) to move upwards, so that the pressure at the bottom of the inner cavity of the upper pressure cylinder (211) is reduced, air in the tank body (114) is conveyed into the upper pressure cylinder (211) through a pressure pipeline (2111) to be decompressed, and when the pressure value in the tank body (114) is consistent with a preset parameter, a first electromagnetic valve (21111) and the hydraulic oil cylinder (2112) are synchronously closed to stop working;

s3: if the pressure is judged to be lower than the preset parameter, a first electromagnetic valve (21111) and a hydraulic oil cylinder (2112) are synchronously opened;

s4: the hydraulic oil cylinder (2112) is used for driving a cylinder rod (21121) to push the extrusion piston (21122) to move downwards, so that the pressure at the bottom of the inner cavity of the upper pressure cylinder (211) is increased, air in the upper pressure cylinder (211) is conveyed into the tank body (114) through the pressure pipeline (2111) to be pressurized, and when the pressure value in the tank body (114) is consistent with preset parameters, the first electromagnetic valve (21111) and the hydraulic oil cylinder (2112) are synchronously closed to stop working.