CN112081730A - Pressurized gas booster pump - Google Patents

Pressurized gas booster pump Download PDF

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Publication number
CN112081730A
CN112081730A CN202011100926.XA CN202011100926A CN112081730A CN 112081730 A CN112081730 A CN 112081730A CN 202011100926 A CN202011100926 A CN 202011100926A CN 112081730 A CN112081730 A CN 112081730A
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CN
China
Prior art keywords
storage cavity
gas
pressure
liquid
booster pump
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
CN202011100926.XA
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Chinese (zh)
Inventor
潘海新
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.)
Chongqing Xintou Technology Co ltd
Original Assignee
Chongqing Xintou Technology 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
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Priority to CN202011100926.XA priority Critical patent/CN112081730A/en
Publication of CN112081730A publication Critical patent/CN112081730A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06—Pumps having fluid drive
    • F04B43/067—Pumps having fluid drive the fluid being actuated directly by a piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/103—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber
    • F04B9/107—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring
    • F04B9/1073—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring with actuation in the other direction by gravity

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention discloses a pressurized gas booster pump, which comprises a boosting cavity, wherein a liquid storage cavity and a gas storage cavity which are independent from each other and have variable volumes are arranged in the boosting cavity, pressurized gas with initial pressure of P1 is filled in the gas storage cavity, a counterweight object is arranged in the liquid storage cavity, the counterweight object generates pressure of P2 to the gas storage cavity, and P1 is more than P2; the gas storage cavity is compressed by utilizing the pressure gas pressure and the liquid working medium pressure, so that the gas in the gas storage cavity can be subjected to the sum of the pressure of the counterweight object and the pressure of the input pressure gas to form a voltage doubling relation, the purpose of pressurizing and storing energy is achieved, the whole structure is simple, the manufacturing cost is low, the high efficiency of the booster pump is realized, the insertion loss is low, and the input pressure gas is low.

Description

Pressurized gas booster pump
Technical Field
The invention relates to the technical field of pneumatic control engineering, in particular to a pressurized gas booster pump.
Background
The gas pressurization generally adopts a booster pump for pressurization, wherein the working principle of the traditional booster pump is as follows: compressed air is used as a power source, and is pushed and converted into high-pressure gas with a small piston area according to the low pressure of a large-area piston; the pressure rise ratio is the ratio of the areas of the pistons, which determines the magnitude of the output pressure. The structure has higher precision requirement on the piston cylinder, higher manufacturing cost, serious energy waste of half of gas source which is wasted once the piston reciprocates, higher energy consumption and poor economical efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a pressurized gas booster pump to improve the compression efficiency and reduce the energy consumption of compressed gas.
In order to achieve the above object, the present invention provides a pressurized gas booster pump, comprising a pressurizing chamber, wherein the pressurizing chamber has a liquid storage cavity and a gas storage cavity with independent and variable volumes, the gas storage cavity is filled with a pressurized gas with an initial pressure of P1, the liquid storage cavity has a weight object, the weight object generates a pressure of P2 on the gas storage cavity, wherein P1 > P2; when the liquid surface on the top of the object is balanced in the liquid storage cavity under the action of the input pressure gas, the gas in the gas storage cavity can be subjected to the sum of the two pressures of the pressure of the liquid working medium and the pressure of the input pressure gas to form a pressure-multiplying relation, so that the purpose of pressurizing and storing energy is achieved.
An air inlet pipe and an emptying pipe are respectively communicated with the liquid storage cavity, the first air inlet pipe is connected with a first valve, and the emptying pipe is connected with a second valve; with gas storage chamber intercommunication has second intake pipe and air-supply pipe, connect one-way check valve on second intake pipe and the air-supply pipe respectively, first intake pipe and second intake pipe all communicate with the atmospheric pressure source that produces atmospheric pressure and be P1 to be full of in first intake pipe and the second intake pipe and have the gas that atmospheric pressure is P1.
Preferably, a blocking part is arranged between the liquid storage cavity and the gas storage cavity, so that the liquid storage cavity is positioned above the gas storage cavity.
Preferably, the top and the upper part of the liquid storage cavity are respectively connected with a first liquid level sensor and a second liquid level sensor.
Preferably, the first liquid level sensor and the second liquid level sensor are also electrically connected with a controller, and the controller controls the opening/closing of the first valve and the second valve.
Preferably, the barrier comprises a bladder or piston or diaphragm.
Preferably, the liquid storage cavity is a telescopic cavity, a liquid injection hole is processed at the top of the liquid storage cavity, and the liquid injection hole is communicated with the liquid storage cavity.
Preferably, the first valve and the second valve are both solenoid valves or electrically operated valves.
Preferably, the counterweight object comprises a liquid working medium or a counterweight block.
The invention has the beneficial effects that: the invention makes the gas in the gas storage cavity be subject to the sum of the pressure of the counterweight object and the pressure of the input pressure gas under the action of the input pressure gas to form a pressure-multiplying relation, thereby achieving the purpose of pressurizing and storing energy, and the invention has the advantages of simple integral structure, low manufacturing cost, high efficiency of the booster pump, low insertion loss and low input pressure gas (the driving gas of the traditional booster pump is generally more than or equal to 0.1Mpa of gauge pressure).
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow chart illustrating a pressurized gas booster pump according to an embodiment of the present invention;
FIG. 2 is a flow chart of a pressurized gas booster pump according to another embodiment of the present invention;
FIG. 3 is a flow chart illustrating a pressurized gas booster pump according to yet another embodiment of the present invention;
FIG. 4 is a flow chart illustrating a pressurized gas booster pump according to still another embodiment of the present invention;
FIG. 5 is a flow chart illustrating a pressurized gas booster pump according to still another embodiment of the present invention.
In the attached drawings, a first air inlet pipe 1, a second air inlet pipe 2, an emptying pipe 3, a first valve 4, a second valve 5, a one-way check valve 6, a U-shaped cavity 7, an air conveying pipe 8, a three-way pipe fitting 9, an injection hole 10, a first liquid level sensor 11, a second liquid level sensor 12, an adjusting joint 13, a liquid storage cavity 14, an air storage cavity 15, a diaphragm 16, an air bag 16 ', a piston 16', a balancing weight 17 and a connecting rod 18.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
One embodiment of the present invention is: a pressurized gas booster pump comprises a booster chamber, wherein a liquid storage cavity 14 and a gas storage cavity 15 which are independent and have variable volumes are arranged in the booster chamber, the gas storage cavity 15 is filled with pressurized gas with initial pressure P1, the liquid storage cavity 14 is internally provided with a liquid working medium, the liquid working medium generates pressure P2 to the gas storage cavity 15, and P1 is more than P2; when the liquid surface on the top of the liquid working medium in the liquid storage cavity 14 acted by the input pressure gas is in the liquid surface, the gas in the gas storage cavity 15 can be acted by the sum of the two pressures of the pressure of the liquid working medium and the pressure of the input pressure gas to form a pressure doubling relation, and the purpose of pressurizing and storing energy is achieved.
An air inlet pipe and an emptying pipe 3 are respectively communicated with the liquid storage cavity 14, the first air inlet pipe 1 is connected with a first valve 4, and the emptying pipe 3 is connected with a second valve 5; with gas storage chamber 15 intercommunication has second intake pipe 2 and gas-supply pipe 8, connect one-way check valve 6 on second intake pipe 2 and the gas-supply pipe 8 respectively, first intake pipe 1 and second intake pipe 2 all communicate for the atmospheric pressure source of P1 with the production atmospheric pressure to make and be full of the gas that has atmospheric pressure for P1 in first intake pipe 1 and the second intake pipe 2, the top and the upper portion of stock solution chamber 14 are connected with first level sensor and second level sensor 12 respectively, first level sensor with second level sensor 12 still electricity is connected with a controller, controller control the opening/closing of first valve 4 and second valve 5.
Example 1
As shown in fig. 1, a pressurized gas booster pump comprises a U-shaped pressurizing chamber which can be adjusted in a telescopic manner, wherein an adjusting part adopts an existing adjusting joint 13, the adjusting joint 13 is used for performing telescopic adjustment, and a liquid working medium is filled in the pressurizing chamber; a first air inlet pipe 1 and a second air inlet pipe 2 are respectively connected and communicated with two ports of the U-shaped cavity 7, an emptying pipe 3 is connected with the first air inlet pipe 1 in parallel, a first valve 4 and a second valve 5 are respectively connected onto the first air inlet pipe 1 and the emptying pipe 3, the first valve 4 and the second valve 5 are both electromagnetic valves, a three-way pipe 9 is connected onto the second air inlet pipe 2, the second air inlet pipe 2 and the air inlet pipe 8 are respectively communicated with the U-shaped cavity 7 through the three-way pipe 9, one-way check valves 6 are respectively connected onto the air inlet pipe 8 and the second air inlet pipe 2, and the opening pressure of the one-way check valve 6 on the air inlet pipe 8 is greater than the air inlet pressure of the one-way check valve 6 on the air inlet pipe; wherein the top of the UU-shaped cavity 7 connected with one end of the first pipe fitting is respectively connected with a first liquid level sensor and a liquid injection hole, a second liquid level sensor 12 is further arranged in the U-shaped cavity 7, the two sensors are respectively electrically connected with a controller, and the controller controls the opening and closing of the first valve 4 and the second valve 5.
In the above embodiment, first, the first air inlet pipe 1 and the second air inlet pipe 2 are communicated through a pressurized air source with the pressure of output P1;
initially, the second valve 5 is opened, the one-way check valve 6 on the second air inlet pipe 2 is opened under the pressure of P1, so that one side of the U-shaped pipe is filled with pressurized gas with the pressure of P1 and needing to be compressed, the pressure of the pressurized gas P1 is greater than the pressure of liquid working medium (including water, oil, mercury or other liquid) P2 in the U-shaped pipe, and under the action of the second liquid level sensor 12, the controller (a PLC controller or a single chip microcomputer controller) opens the second valve 5, so that the liquid working medium rises into the U-shaped chamber 7 to empty top air;
further, when the liquid working medium rises to trigger the first liquid level sensor, the second valve 5 is closed and the first valve 4 is opened through a feedback signal of the first liquid level sensor, at the moment, the pressure gas source P1 enters the liquid level through the first gas inlet pipe 1, and at the moment, the pressure of the pressure gas on the other side of the U-shaped pipe is P3 which is P1+ P2, so that the purpose of compressing the gas is achieved.
Preferably, a barrier is provided between the reservoir 14 and the reservoir 15 such that the reservoir 14 is above the reservoir 15, the barrier comprising a balloon 16' or a piston 16 "or a diaphragm 16.
Example two
As shown in fig. 2, the difference between the first embodiment and the second embodiment is the structure of a pressurizing chamber, the pressurizing chamber includes an air bag 16 ' at the bottom and a liquid working medium filled in the pressurizing chamber, the air bag 16 ' divides the pressurizing chamber into an air storage cavity 15 and a liquid storage cavity 14, a second air inlet pipe 2 and an air delivery pipe 8 are connected in series through a tee pipe fitting 9 and communicated with the air bag 16 ', and the second air inlet pipe 2 and the air delivery pipe 8 are respectively connected with a one-way check valve 6; a first liquid level sensor and a second liquid level sensor 12 are also connected in the liquid storage cavity 14 in the same way as the liquid storage cavity 14, a first air inlet pipe 1 and an emptying pipe 3 are communicated with the liquid storage cavity 14, the emptying pipe 3 is connected to the first air inlet pipe 1 in parallel, a first valve 4 and a second valve 5 are respectively connected to the first air inlet pipe 1 and the emptying pipe 3, the first valve 4 and the second valve 5 are both electromagnetic valves or electric valves and are controlled by a controller (a PLC controller), and the first liquid level sensor and the second liquid level sensor 12 are electrically connected with the controller;
in the above embodiment, first, the first air inlet pipe 1 and the second air inlet pipe 2 are communicated through a pressurized air source with the pressure of output P1;
initially, the second valve 5 is opened, the one-way check valve 6 on the second air inlet pipe 2 is opened under the pressure of P1, so that the air bag 16 'is filled with pressurized gas with the pressure of P1 and needing to be compressed, the pressure of the pressurized gas P1 is greater than the pressure of liquid working medium (including water, oil, mercury or other liquid) P2 in the liquid storage cavity 14, under the action of the second liquid level sensor 12, the controller (PLC controller) opens the second valve 5, and the air bag 16' expands to enable the liquid working medium to rise up the liquid storage cavity 14 to shrink and achieve top air evacuation;
further, when the liquid working medium rises to trigger the first liquid level sensor, emptying is completed, the second valve 5 is closed and the first valve 4 is opened through a feedback signal of the first liquid level sensor, at the moment, the pressure gas source P1 enters the liquid level through the first gas inlet pipe 1, and at the moment, the pressure of the pressure gas is P3 which is P1+ P2, so that the purpose of compressing the gas is achieved.
EXAMPLE III
As shown in fig. 3, a pressurized gas booster pump according to the present embodiment has a structure substantially identical to that of the second embodiment, except that a diaphragm 16 is substituted for an air bag 16' and the entire compression process is the same as that of the second embodiment.
Example four
As shown in FIG. 4, a pressurized gas booster pump according to the present embodiment has a structure substantially identical to that of the second embodiment, except that a piston 16 'is substituted for an air bag 16', and the entire compression process is the same as that of the second embodiment
Preferably, the liquid storage cavity 14 is a telescopic cavity, a liquid injection hole is processed at the top of the liquid storage cavity 14, the liquid injection hole is communicated with the liquid storage cavity 14, and the liquid injection hole and the telescopic cavity are adopted, so that the liquid injection time is more convenient and faster when the liquid needs to be added, and the applicability of the invention is improved.
EXAMPLE five
As shown in FIG. 5, the invention can replace the liquid working medium with the solid counterweight 17 with certain gravity to achieve the supercharging effect, wherein the main structure comprises cylinders respectively connected with the upper part and the lower part, the cylinders are respectively provided with a piston 16", the upper piston 16" and the lower piston 16 "are connected by a connecting rod 18, the counterweight 17 is arranged on the connecting rod 18 to achieve the effect that the counterweight of the lower piston 16" is P1, so as to achieve the purpose of compressing air, and the size of P1 is adjusted by adjusting the weight of the counterweight 17, thereby improving the applicability of the device, and reducing the volume of the whole device by the counterweight;
initially, the second valve 5 is opened, the one-way check valve 6 on the second air inlet pipe 2 is opened under the pressure of P1, so that the air storage cavity 10 is filled with a pressurized gas with the pressure of P1 and needing to be compressed, the pressure of the pressurized gas P1 is greater than the pressure P2 generated by the upper counterweight 17 of the lower piston 16 ″, and under the action of the second liquid level sensor 12, the controller (a PLC controller or a single chip microcomputer controller) opens the second valve 5, so that the lower piston 16 ″ rises into the upper chamber 7 to empty air;
further, when the upper piston 16 ″ rises to trigger the first liquid level sensor 11, the first liquid level sensor 11 feeds back a signal to close the second valve 5 and open the first valve 4, at the same time, the pressurized gas source P1 enters the upper portion of the upper piston inner counter weight 17 through the first gas inlet pipe 1, and at the same time, the pressure of the pressurized gas in the lower gas storage cavity is P3 which is P1+ P2, so that the purpose of compressing the gas is achieved.
As can be seen from the above examples, the original pressure P1 can be increased by the compression according to the invention to P3 ═ P1+ P2, where P3 ≈ 1.9 times P1. Overall structure is simple, and convenient for manufacturing is with low costs, and it is few than the drive gas loss with traditional two times pressure booster pump, and the energy consumption is few, efficient.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (8)

1. A pressurized gas booster pump is characterized in that: the gas storage device comprises a pressurization cavity, wherein a liquid storage cavity and a gas storage cavity which are independent and have variable volumes are arranged in the pressurization cavity, a pressurized gas with an initial gas pressure of P1 is filled in the gas storage cavity, a counterweight object is arranged in the liquid storage cavity, the counterweight object generates a pressure of P2 on the gas storage cavity, and P1 is more than P2;
an air inlet pipe and an emptying pipe are respectively communicated with the liquid storage cavity, the first air inlet pipe is connected with a first valve, and the emptying pipe is connected with a second valve; with gas storage chamber intercommunication has second intake pipe and air-supply pipe, connect one-way check valve on second intake pipe and the air-supply pipe respectively, first intake pipe and second intake pipe all communicate with the atmospheric pressure source that produces atmospheric pressure and be P1 to be full of in first intake pipe and the second intake pipe and have the gas that atmospheric pressure is P1.
2. The pressurized gas booster pump of claim 1, wherein: a blocking part is arranged between the liquid storage cavity and the gas storage cavity, so that the liquid storage cavity is located above the gas storage cavity.
3. The pressurized gas booster pump of claim 1, wherein: the top and the upper part of the liquid storage cavity are respectively connected with a first liquid level sensor and a second liquid level sensor.
4. A pressurized gas booster pump according to claim 3, wherein: the first liquid level sensor and the second liquid level sensor are also electrically connected with a controller, and the controller controls the opening/closing of the first valve and the second valve.
5. The pressurized gas booster pump of claim 2, wherein: the barrier comprises a bladder or piston or diaphragm.
6. The pressurized gas booster pump of claim 1, wherein: the liquid storage cavity is a telescopic cavity, a liquid injection hole is processed at the top of the liquid storage cavity, and the liquid injection hole is communicated with the liquid storage cavity.
7. A pressure gas booster pump according to claim 1 or 4, wherein: the first valve and the second valve are both electromagnetic valves or electric valves.
8. The pressurized gas booster pump of claim 1, wherein: the counterweight object comprises a liquid working medium or a counterweight block.
CN202011100926.XA 2020-10-15 2020-10-15 Pressurized gas booster pump Pending CN112081730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011100926.XA CN112081730A (en) 2020-10-15 2020-10-15 Pressurized gas booster pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011100926.XA CN112081730A (en) 2020-10-15 2020-10-15 Pressurized gas booster pump

Publications (1)

Publication Number Publication Date
CN112081730A true CN112081730A (en) 2020-12-15

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ID=73730888

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011100926.XA Pending CN112081730A (en) 2020-10-15 2020-10-15 Pressurized gas booster pump

Country Status (1)

Country Link
CN (1) CN112081730A (en)

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Application publication date: 20201215

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