CN108443110A - A kind of piston apparatus for realizing the expansion of gas isotherm compression - Google Patents
A kind of piston apparatus for realizing the expansion of gas isotherm compression Download PDFInfo
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- CN108443110A CN108443110A CN201810066678.8A CN201810066678A CN108443110A CN 108443110 A CN108443110 A CN 108443110A CN 201810066678 A CN201810066678 A CN 201810066678A CN 108443110 A CN108443110 A CN 108443110A
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- Prior art keywords
- gas
- piston
- liquid
- chamber
- liquid chamber
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Classifications
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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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B31/00—Component parts, details, or accessories not provided for in, or of interest apart from, other groups
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
Abstract
The invention discloses a kind of piston apparatus that realizing the expansion of gas isotherm compression for belonging to gas isotherm compression expansion technique field, including:Piston cylinder, piston, liquid chamber, gas chamber, tablet, power-equipment, piston rod, gas injection line and gas discharge line, piston cylinder is separated into liquid chamber and gas chamber's two parts by its middle plateform, liquid is contained in liquid chamber, piston lever linkage piston up-down realizes gas compression or expansion, in operational process, under liquid flow, gas moves upwards, using gas-liquid mixed, temperature control of the liquid to gas is realized;For the present apparatus while stabilizing gas temperature change, dramatic temperature changes the damage and harm to equipment when solving gas scaling, while also reducing to energy storage device hardware requirement;And the present apparatus has the characteristics that install on the spot, the heat exchange between gas and liquid is abundant, energy utilization efficiency is high.
Description
Patent field
The invention belongs to gas isotherm compression expansion technique fields, more particularly to a kind of to realize what gas isotherm compression expanded
Piston apparatus.
Background technology
Energy storage technology has been considered as the important component during operation of power networks, wherein compressed-air energy storage application more
Extensively.But compressed-air energy storage has some limitations, the major defect of conventional compression air energy storage be usually with combustion gas wheel
Machine coordinates, and needs to consume combustion gas, generation environment pollution is easily revealed, and energy density is low, and when air compression, expansion, temperature change
Acutely, larger to the injury of equipment, cause cost of overhaul height.
In recent years, liquid piston is applied in compressed-air energy storage by existing research, solves compressed-air energy storage institute band
The problem of environmental pollution come, but air compression or expansion process are mostly adiabatic or free wxpansion process, and temperature change is violent, generates
Heat is not easy to maintain, and compressed air potential energy cannot be fully utilized, and energy storage utilization ratio is low.
In domestic and international existing liquid piston, the liquid chamber without liquid storage in plunger shaft, and the device without vapor liquid heat exchange.
Its drawback is that gas scaling process is mostly adiabatic, free wxpansion process so that the compressed air efficiency that releases energy is low.
There are low temperature when thermal loss and expansion release energy to cause pressure rapid during due to traditional gas compressed energy-storage
Decline the big problem of energy loss, so present invention aims at using the big principle of specific heat of liquid, temperature control realized to gas,
It realizes the expansion of gas isotherm compression, improves energy conversion efficiency, it is excessive with heat energy loss of the solution when gas compression expands
Problem.
Invention content
For problem stated in the background, the present invention proposes a kind of piston for realizing the expansion of gas isotherm compression
Device, which is characterized in that including:Open piston cylinder, piston, liquid chamber, gas chamber, tablet, power-equipment, piston
Bar, first gas flow in pipes and first gas discharge line;Wherein piston is installed in open piston cylinder, and piston is in opening
Vertical sliding above and below open end inside formula piston cylinder;Piston passes through the reversible generator outside piston rod and open piston cylinder
Equipment is connected, and wherein reversible generator equipment is to realize gas compression or the energy conversion of expansion;Piston and open work
It is fully sealed between plug cylinder;Sieve pore is provided on tablet;
When the opening of open piston cylinder is under, the piston wall level of tablet and open piston cylinder is affixed and is located at
Between the blind end and piston of open piston cylinder, liquid chamber is located at the top of the blind end of open piston cylinder, by tablet and
The space that open piston cylinder surrounds is liquid chamber, first gas discharge line and external gas of the liquid chamber by top
Body discharge line is connected;The space that tablet, piston and open piston cylinder are surrounded at this time is gas chamber, and the gas chamber
It is connected with extraneous gas flow in pipes by the first gas flow in pipes at top;
When the opening of open piston cylinder towards it is upper when, piston is the hollow piston that lower end opens, and flatbed horizontal is fixed in
The lower section of piston, and tablet and the space that piston surrounds are a liquid chamber, the first gas which passes through top
Discharge line is connected with extraneous gas discharge line, and the liquid chamber is slided in open piston cylinder vertically together with piston
It is dynamic;The space that the blind end of piston and open piston cylinder surrounds at this time is gas chamber, and the gas chamber passes through bottom
First gas flow in pipes is connected with extraneous gas flow in pipes.
A kind of piston apparatus for realizing the expansion of gas isotherm compression, which is characterized in that including:Hermetic seal piston cylinder, length
Bar piston, upper liquid chamber, central liquid chamber, central gas chamber, lower gas chamber, upper flat plate, middle part tablet,
Process for long piston rod, second gas discharge line, third gas discharge line, second gas flow in pipes and third gas injection pipe
Road;The hollow stock piston of lower end opening is wherein installed, stock piston is in sealing piston cylinder in freedom in sealing piston cylinder
Lower slider;Process for long piston rod is fixed in the top of stock piston and is connected with the power-equipment outside sealing piston cylinder, wherein power
Equipment is to realize gas compression or the energy conversion of expansion;
Middle part flatbed horizontal is fixed in the bottom of hollow stock piston, during stock piston is with the space that middle part tablet surrounds
Portion's liquid chamber;Central liquid chamber is by being installed on the third gas discharge line at the top of it and extraneous gas discharge line phase
Even;
The horizontal affixed and top positioned at hermetic seal piston cylinder of the piston wall of upper flat plate and hermetic seal piston cylinder with
Between piston;The space surrounded at the top of upper flat plate and sealing piston cylinder is upper liquid chamber, and upper liquid chamber passes through
The second gas discharge line at the top of it is installed on extraneous gas discharge line to be connected;
It is central gas positioned at stock upper piston area and by the space that stock piston, sealing piston cylinder and upper flat plate surround
Chamber, central gas chamber are connected by second gas flow in pipes with extraneous gas flow in pipes;
It is lower gas chamber, lower part positioned at stock piston lower portion and by the space that stock piston and sealing piston cylinder surround
Gas chamber by third gas flow in pipes be connected with extraneous gas flow in pipes;
It is all provided with sieve pore on upper flat plate and middle part tablet.
It is described to realize that the energy conversion of gas compression or expansion is linear motor, linear electric generator, crank motor, song
Handle generator or hydraulic test.
The tablet, the upper flat plate or the middle part tablet are set as one or more layers, when being set as at least two
The tablet of layer, upper flat plate or when the tablet of middle part, at least two layers of tablet, upper flat plate or middle part tablet make gas with bubble shape
During formula enters liquid chamber, the heat exchange between gas and liquid is more abundant.
Filler is filled in the liquid chamber, the upper liquid chamber or the central liquid chamber, when the gas
Body comes into full contact with the liquid in filler when entering each liquid chamber and mixes, and realizes that the caloic of gas-liquid exchanges.
The top in sub-sieve hole is equipped with sparger in the middle part of the sieve pore, and sparger enables gas enter liquid in the form of bubbles
When chamber, the heat exchange between gas and liquid is more abundant, and the sparger is bubble-cap or float valve.
A kind of continuous compression process of piston apparatus that realizing the expansion of gas isotherm compression, starts in continuous compression process
Before, second gas flow in pipes and third gas flow in pipes are first passed through into extraneous gas flow in pipes and low-pressure gas tank phase
Even, second gas discharge line and third gas discharge line are connected by extraneous gas discharge line with high-pressure gas tank;
It is characterized in that, continuous compression process is:
Step 1a, in the initial state, preset full temperature control liquid in upper liquid chamber and central liquid chamber, and stock
Piston is located at a high position;
Step 2a, it in first segment compression process, first opens second gas flow in pipes and injects low-pressure gas, while stock
Piston is moved downward by reversible generator equipment belt is dynamic, the low-pressure gas of lower gas chamber is compressed, in first segment compression process
In, gas is entered across sieve pore in central liquid chamber, while the indoor liquid of central liquid chamber passes through in the tablet of middle part
Sieve pore falls, and carries out gas-liquid mixed and completes caloic exchange, to realize temperature control i.e. gas isotherm compression of the liquid to gas;It waits for
After gas compression to pressure identical as high-pressure gas tank, stock piston stops and opens third gas discharge line, stock piston
Continue to move downward, high pressure gas is discharged by third gas discharge line, while liquid is returned by the sieve pore in the tablet of middle part
To central liquid chamber;
Step 3a, second segment compression process is carried out, third gas flow in pipes is opened, closes second gas flow in pipes,
Power-equipment drives stock piston upwards compressed gas, and in compression process, gas enters upper liquid across sieve pore
In chamber, while the indoor liquid of upper liquid chamber is fallen by sieve pore, is carried out gas-liquid mixed and is completed caloic exchange, to real
Temperature control, that is, gas isotherm compression of the existing liquid to gas;
Step 4a, after gas compression to pressure identical as high-pressure gas tank, the second gas is opened in stock piston stop motion
Body discharge line, stock piston continue up, and the indoor high pressure gas of upper liquid chamber is discharged by second gas at this time
Pipeline is discharged, while liquid returns to upper liquid chamber by the sieve pore in upper flat plate;Last stock piston is back to a high position, and
Second gas discharge line is closed, step 1a is returned to, is recycled into next continuous compression.
A kind of continuous compression process of piston apparatus that realizing the expansion of gas isotherm compression, starts in continuous expansion process
Before, second gas flow in pipes and third gas flow in pipes are first passed through into extraneous gas flow in pipes and high-pressure gas tank phase
Even, second gas discharge line and third gas discharge line are connected by extraneous gas discharge line with low-pressure gas tank;
Continuously expansion process is:
Step 1b, when original state, preset full temperature control liquid in upper liquid chamber and central liquid chamber, and stock is lived
Plug is located at a high position;
Step 2b, in first segment expansion process, opening third gas flow in pipes and second gas flow in pipes, and from
Second gas flow in pipes injects high pressure gas, and piston moves downward for stock in injection process, is then turned off second gas injection
Pipeline, gas expansion for doing work, driving stock, piston moves downward, completes energy conversion;In first segment expansion process, gas is worn
It crosses the sieve pore in upper flat plate to enter in upper liquid chamber, while the indoor liquid of upper liquid chamber passes through in upper flat plate
Sieve pore fall, carry out gas-liquid mixed simultaneously complete caloic exchange, to realize temperature control i.e. gas isothermal expansion of the liquid to gas;
After gas expansion to pressure identical as low-pressure gas tank, stock piston stops and opens second gas discharge line;Carry out the
Two sections of expansion processes,
Step 3b, in second segment expansion process, open third gas flow in pipes inject high pressure gas, stock piston to
Upper movement is then turned off third gas flow in pipes, and gas expansion for doing work drives stock piston upwards, completes energy and turns
It changes;In expansion process, central gas chamber and the indoor low-pressure gas of upper liquid chamber are arranged by second gas discharge line
Go out, liquid returns to upper liquid chamber by the sieve pore in upper flat plate;The indoor gas of lower gas chamber passes through middle part tablet
In sieve pore enter in central liquid chamber, while the indoor liquid of central liquid chamber passes through under the sieve pore in the tablet of middle part
It falls, carry out gas-liquid mixed and completes caloic exchange, to realize temperature control i.e. gas isothermal expansion of the liquid to gas;Wait for that gas is swollen
Swollen to after pressure identical as low-pressure gas tank, stock piston stops, and returns to step 1b, into next continuous expansion cycles.
The beneficial benefit of the present invention includes the following aspects:
(1) present invention is transformed conventional compression air energy storage technology, in carrying out gas compression or expansion process, gas
Liquid mixes, and using the big feature of specific heat of liquid, stabilizing gas temperature change improves utilizing for energy in compressed air and imitates
Rate.Dramatic temperature changes the damage and harm to equipment when stabilizing gas temperature change solves gas scaling, while also reducing
To energy storage device hardware requirement.
(2) present invention adds the tablet with sieve pore and bubble-cap float valve in piston apparatus, promotes gas and liquid
Sufficient heat exchange is carried out, temperature control is conducive to, isothermal scaling is realized, improves energy utilization efficiency.
(3) present invention is expanded using the isotherm compression of gas, can realize potential energy and other shapes by potential energy converter device
Conversion between the energy of formula.
(4) present invention can install on the spot, do not need specific geographical conditions, reduce construction cost and difficulty.
Description of the drawings
Fig. 1 is a kind of sectional view of piston apparatus embodiment 1 that realizing the expansion of gas isotherm compression of the present invention;
Fig. 2 is the sectional view of the embodiment of the present invention 2;
Fig. 3 is the sectional view of the embodiment of the present invention 3;
In figure:The open piston cylinders of 11-, 12- pistons, 13- liquid chambers, 14- gas chamber, 15- tablets, 16- power
Equipment, 1201- piston rods, 1301- first gas discharge line, 1401- first gas flow in pipes, 1501- sieve pores, 1502-
Sparger, 21- sealing pistons cylinder, 22- stocks piston, 231- upper liquids chamber, 232- central liquids chamber, the middle parts 241-
Gas chamber, 242- lower gas chamber, 251- upper flat plates, the middle parts 252- tablet, 2201- process for long piston rod, 23101- second
Gas outlet pipe road, 23201- third gas discharge line, 24101- second gas flow in pipes and 24201- third gas note
Enter pipeline.
Specific implementation mode
Below in conjunction with the accompanying drawings, it elaborates to embodiment.
In the embodiment of the present invention 1 as shown in Figure 1, the present apparatus includes:Open piston cylinder 11, piston 12, liquid chamber
13, gas chamber 14, tablet 15, power-equipment 16, piston rod 1201, first gas flow in pipes 1401 and first gas discharge
Pipeline 1301;Wherein for the opening of open piston cylinder 11 towards lower and vertical placement, piston 12 is installed on open piston cylinder 11
It is interior, the vertical sliding above and below the open end inside open piston cylinder 11 of piston 12;Piston 12 is by piston rod 1201 and opens
Reversible generator equipment 16 outside formula piston cylinder 11 is connected, and wherein reversible generator equipment 16 is to realize gas compression or expansion
Energy conversion M/G;It is fully sealed between piston 12 and open piston cylinder 11;
The horizontal affixed and blind end positioned at open piston cylinder 11 of the piston wall of tablet 15 and open piston cylinder 11 with
Between piston 12, sieve pore 1501 is provided on tablet 15, the top of part sieve pore 1501 is equipped with sparger 1502, sparger
1502 enable gas in the form of bubbles enter liquid chamber when, the heat exchange between gas and liquid is more abundant;Tablet 15, piston
12 and the space that is surrounded of open piston cylinder 11 be gas chamber 14, and the gas chamber 14 passes through the first gas at top and notes
Enter pipeline 1401 with extraneous gas flow in pipes to be connected;Sparger 1502 is bubble-cap or float valve;
Liquid chamber 13 is located at the top of the blind end of open piston cylinder 11, is surrounded by tablet 15 and open piston cylinder 11
Space be liquid chamber 13, liquid chamber 13 passes through the first gas discharge line 1301 at top and extraneous gas discharge line
It is connected;Temperature control liquid is filled in liquid chamber 13;Liquid chamber 13 is located at the top of gas chamber 14, convenient for liquid fall with
Gas mixing;Temperature control liquid in liquid chamber 13 can by 1301 injections in the gas outlet pipe road that is communicated with liquid chamber 13,
It can be poured out from first gas discharge line 1301 when being replaced;Filler can be filled in liquid chamber 13, work as gas
It comes into full contact with and mixes with the liquid in filler when into liquid chamber 13 filled with filler, realize that the caloic of gas-liquid exchanges;Liquid
The temperature control liquid filled in fluid chamber 13 is needed to carry out more by 1301 injection in the gas outlet pipe road that communicates with liquid chamber 13
It is poured out from first gas discharge line 1301 when changing;
The equipment that realization gas compression or the energy of expansion are converted is linear motor, linear electric generator, crank motor, crank
Generator, hydraulic test or other hydraulic pressure relevant devices are, it can be achieved that gas compression or the conversion of the energy of expansion;
Tablet 15 is set as one or more layers, and when being set as at least two layers of tablet 15, at least two layers of tablet 15 makes
During gas enters liquid chamber in the form of bubbles, the heat exchange between gas and liquid is more abundant;
Before the compression process of embodiment 1 starts, first gas flow in pipes 1401 is first passed through into extraneous gas flow in pipes
It is connected with low-pressure gas tank, first gas discharge line 1301 is connected by extraneous gas discharge line with high-pressure gas tank;
The compression process of embodiment 1 is:Preset full liquid and piston 12 is located at a high position in liquid chamber 13 when original state;
First gas flow in pipes 1401 is first opened when compression and injects air or low-pressure gas, while piston 12 moves downward, and waits for gas
After the completion of injection, 12 stop motion of piston and closing first gas flow in pipes 1401;Subsequent reversible generator equipment 16 drives
Piston 12 moves upwards compressed gas, and in the compression process that piston 12 moves upwards, gas passes through sieve pore 1501 upward
Liquid chamber 13 moves, while liquid is fallen by sieve pore 1501, carries out gas-liquid mixed and completes caloic exchange, to realize liquid
Temperature control, that is, gas isotherm compression of the body to gas;After gas compression to pressure identical as high-pressure gas tank, piston stop motion,
First gas discharge line 1301 is opened, while piston 12 continues up, high pressure gas passes through first gas discharge line
1301 discharges, liquid returns to liquid chamber 13 by the sieve pore 1501 in tablet 15, finally after piston 12 returns to a high position, closes
First gas discharge line 1301, compression process terminate device and return to original state.
Before the expansion process of embodiment 1 starts, first gas flow in pipes 1401 is first passed through into extraneous gas flow in pipes
It is connected with high-pressure gas tank, first gas discharge line 1301 is connected by extraneous gas discharge line with low-pressure gas tank;
The expansion process of embodiment 1 is:Preset full liquid in liquid chamber 13 when original state, and piston is located at a high position;
First gas flow in pipes 1401 is first opened when expansion and injects high pressure gas, and piston 12 moves downward while gas expands
Complete energy conversion;In expansion process, gas passes through the liquid chamber 13 of sieve pore 1501 upward to move, while liquid passes through
Sieve pore 1501 falls, and carries out gas-liquid mixed and completes caloic exchange, to realize that liquid is swollen to the i.e. gas isothermal of temperature control of gas
It is swollen;After gas expansion to pressure identical as low-pressure gas tank, piston stop motion;First gas flow in pipes is closed, is opened
First gas discharge line 1301, while piston 12 moves upwards, this stage low-pressure gas passes through first gas discharge line
1301 discharges, and liquid returns to liquid chamber 13 by the sieve pore 1501 in tablet 15;Finally when piston 12 returns to a high position, close
First gas discharge line 1301 is closed, expansion process terminates device and returns to original state.
In the embodiment of the present invention 2 as shown in Figure 2, the present apparatus includes:Open piston cylinder 11, piston 12, liquid chamber
13, gas chamber 14, tablet 15, power-equipment 16, piston rod 1201, first gas flow in pipes 1401 and first gas discharge
Pipeline 1301;Wherein for the opening of open piston cylinder 11 towards upper and vertical placement, piston 12 is installed on open piston cylinder 11
It is interior, the vertical sliding above and below the open end inside open piston cylinder 11 of piston 12;Piston 12 is by piston rod 1201 and opens
Reversible generator equipment 16 outside formula piston cylinder 11 is connected, and wherein reversible generator equipment 16 is to realize gas compression or expansion
Energy conversion M/G;It is fully sealed between piston 12 and open piston cylinder 11;Realize that the energy of gas compression or expansion turns
Exchange device be linear motor, linear electric generator, crank motor, crank generator, hydraulic test or other hydraulic pressure relevant devices, can
Realize the energy conversion of gas compression or expansion;
Piston 12 is the hollow piston that lower end opens, and 15 level of tablet is fixed in the lower section of piston 12, and tablet 15 and work
12 space that surrounds of plug is a liquid chamber 13, the liquid chamber 13 by the first gas discharge line 1301 at top with it is outer
Portion gas outlet pipe road is connected, and the liquid chamber 13 is with the vertical sliding in open piston cylinder 11 together of piston 12;Liquid
Temperature control liquid is filled in chamber 13;Liquid chamber 13 is located at the top of gas chamber 14, convenient for temperature control liquid whereabouts and gas
Mixing;Filler can be filled in liquid chamber 13, the liquid when gas enters the liquid chamber 13 filled with filler and in filler
Body comes into full contact with mixing, realizes that the caloic of gas-liquid exchanges;The temperature control liquid filled in liquid chamber 13 by with 13 phase of liquid chamber
1301 injection, is poured out when being replaced from first gas discharge line 1301 in logical gas outlet pipe road;
The space that the blind end of piston 12 and open piston cylinder 11 surrounds at this time is gas chamber 14, and gas chamber 14
It is connected with extraneous gas flow in pipes by the first gas flow in pipes 1401 of bottom, sieve pore 1501, portion is provided on tablet 15
The top in sub-sieve hole 1501 is equipped with sparger 1502, when sparger 1502 enables gas enter liquid chamber in the form of bubbles,
Heat exchange between gas and liquid is more abundant;Sparger 1502 is bubble-cap or float valve;
Before the compression process of embodiment 2 starts, first gas flow in pipes 1401 is first passed through into extraneous gas flow in pipes
It is connected with low-pressure gas tank, first gas discharge line 1301 is connected by extraneous gas discharge line with high-pressure gas tank;
The compression process of embodiment 2 is:Preset full liquid in liquid chamber 13 when original state, and piston is located at low level;
First gas flow in pipes 1401 is first opened in compression process and injects air or low-pressure gas, while piston 12 moves upwards,
After the completion of waiting for gas injection, piston 12 stops and closes first gas flow in pipes 1401;Subsequent power-equipment 16 is with piston
12 move downward compressed gas, and in compression process, gas passes through the liquid chamber 13 of sieve pore 1501 upward to move, while liquid
Liquid in fluid chamber 13 is fallen by sieve pore 1501, is carried out gas-liquid mixed and is completed caloic exchange, to realize liquid to gas
The temperature control of body, that is, gas isotherm compression;After gas compression to after pressure identical as high-pressure gas tank, piston stop motion opens the
One gas outlet pipe road 1301, piston 12 continue to move downward, and the high pressure gas in liquid chamber 13 passes through first gas at this time
Discharge line 1301 is discharged, while liquid returns to liquid chamber 13 by the sieve pore 1501 in tablet 15;Last piston 12 is back to
Low level, and first gas discharge line 1301 is closed, compression process terminates device and returns to original state.
Before the expansion process of embodiment 2 starts, first gas flow in pipes 1401 is first passed through into extraneous gas flow in pipes
It is connected with high-pressure gas tank, first gas discharge line 1301 is connected by extraneous gas discharge line with low-pressure gas tank;
The expansion process of embodiment 2 is:Preset full liquid in original state liquid chamber 13, and piston is located at a high position;It is swollen
First gas flow in pipes 1401 is first opened when swollen and injects high pressure gas, and piston 12 has moved upwards while gas expands
It is converted at energy;In expansion process, gas passes through the liquid chamber 13 of sieve pore 1501 upward to move, while liquid chamber 13
Interior liquid is fallen by sieve pore 1501, is carried out gas-liquid mixed and is completed caloic exchange, to realize temperature control of the liquid to gas
That is gas isothermal expansion;After gas expansion to pressure identical as low-pressure gas tank, piston stop motion;Close first gas note
Enter pipeline, opens first gas discharge line 1301, while piston 12 moves downward, this stage low-pressure gas passes through first gas
Discharge line 1301 is discharged, and liquid returns to liquid chamber 13 by the sieve pore 1501 in tablet 15;Finally when piston 12 returns to
When high-order, first gas discharge line 1301 is closed, expansion process terminates device and returns to original state.
In the embodiment of the present invention 3 as shown in Figure 3, the present apparatus includes:Hermetic seal piston cylinder 21, stock piston 22, on
Portion's liquid chamber 231, central liquid chamber 232, central gas chamber 241, lower gas chamber 242, upper flat plate 251, in
Portion's tablet 252, process for long piston rod 2201, second gas discharge line 23101, third gas discharge line 23201, second gas note
Enter pipeline 24101 and third gas flow in pipes 24201;The hollow stock of lower end opening is wherein installed in sealing piston cylinder 21
Piston 22, stock piston 22 in sealing piston cylinder 21 in freely sliding up and down;Process for long piston rod 2201 is fixed in stock piston 22
Top and it is connected with the power-equipment 16 outside sealing piston cylinder 21, wherein power-equipment 16 is to realize gas compression or expansion
Energy conversion;
Tablet 252 level in middle part is fixed in the bottom of hollow stock piston 22, and stock piston 22 is surrounded with middle part tablet 252
Space be central liquid chamber 232;Central liquid chamber 232 passes through the third gas discharge line that is installed at the top of it
23201 are connected with extraneous gas discharge line;
Upper flat plate 251 and the piston wall of hermetic seal piston cylinder 21 are horizontal affixed and positioned at hermetic seal piston cylinder 21
Between top and piston 12;The space that the top of upper flat plate 251 and sealing piston cylinder 21 surrounds is upper liquid chamber 231,
Upper liquid chamber 231 is connected by being installed on the second gas discharge line 23101 at the top of it with extraneous gas discharge line;
It is filled with temperature control liquid in upper liquid chamber 231 and central liquid chamber 232;
Positioned at 22 top of stock piston and the space that is surrounded by stock piston 22, sealing piston cylinder 21 and upper flat plate 251
For central gas chamber 241, central gas chamber 241 passes through second gas flow in pipes 24101 and extraneous gas flow in pipes
It is connected;
It is lower gas chamber positioned at 22 lower part of stock piston and by the space that stock piston 22 and sealing piston cylinder 21 surround
Room 242, lower gas chamber 242 by third gas flow in pipes 24201 be connected with extraneous gas flow in pipes;
Sieve pore 1501 is all provided in upper flat plate 251 and middle part tablet 252, and the top of part sieve pore 1501 is equipped with blistering
Device 1502, when sparger 1502 enables gas enter liquid chamber in the form of bubbles, the heat exchange between gas and liquid is more
It is abundant;Sparger 1502 is bubble-cap or float valve;
The equipment that realization gas compression or the energy of expansion are converted is linear motor, linear electric generator, crank motor, crank
Generator, hydraulic test or other hydraulic pressure relevant devices are, it can be achieved that gas compression or the conversion of the energy of expansion;
Upper flat plate 251 and middle part tablet 252 are set as one or more layers, when being set as at least two layers of upper flat plate
251 or when the tablet 252 of middle part, at least two layers of upper flat plate 251 or middle part tablet 252 make gas enter liquid in the form of bubbles
During chamber, the heat exchange between gas and liquid is more abundant;Upper liquid chamber 231 and central liquid chamber 232
In be filled with filler, come into full contact with and mix with the liquid in filler when the gas enters each liquid chamber, realize gas-liquid
Caloic exchanges.
Before the continuous compression process of embodiment 3 starts, first by second gas flow in pipes 24101 and third gas injection pipe
Road 24201 is connected by extraneous gas flow in pipes with low-pressure gas tank, by second gas discharge line 23101 and third gas
Discharge line 23201 is connected by extraneous gas discharge line with high-pressure gas tank;
The continuous compression process of embodiment 3 is:When original state in upper liquid chamber 231 and central liquid chamber 232
Preset full temperature control liquid, and piston is located at a high position;24101 note of second gas flow in pipes is first opened in first segment compression process
Enter air or low-pressure gas, while stock piston 22 is moved downward by the drive of reversible generator equipment 16, compresses lower gas chamber
The low-pressure gas of room 242, in first segment compression process, gas passes through the sieve pore 1501 in middle part tablet 252 to enter middle part
In liquid chamber 232, while the liquid in central liquid chamber 232 is fallen by the sieve pore 1501 in middle part tablet 252, is carried out
Gas-liquid mixed simultaneously completes caloic exchange, to realize temperature control i.e. gas isotherm compression of the liquid to gas;Wait for gas compression to
After the identical pressure of high-pressure gas tank, stock piston 22 stops and opens third gas discharge line 23201, and stock piston 22 continues
It moves downward, high pressure gas is discharged by third gas discharge line 23201, while liquid passes through the sieve in middle part tablet 252
Hole 1501 returns to central liquid chamber 232.Second segment compression process is then carried out, third gas flow in pipes 24201 is opened, is closed
Second gas flow in pipes 24101 is closed, power-equipment 16 drives stock piston 22 to move upwards compressed gas, in compression process
In, gas is entered across sieve pore 1501 in upper liquid chamber 231, while the liquid in upper liquid chamber 231 passes through sieve
Hole 1501 falls, and carries out gas-liquid mixed and completes caloic exchange, to realize temperature control i.e. gas isotherm compression of the liquid to gas;
After gas compression to pressure identical as high-pressure gas tank, second gas discharge line 23101 is opened in piston stop motion, long
Bar piston 22 continues up, and the high pressure gas in upper liquid chamber 231 passes through second gas discharge line 23101 at this time
Discharge, while liquid returns to upper liquid chamber 231 by the sieve pore 1501 in upper flat plate 251;Last stock piston 22
It is back to a high position, and closes second gas discharge line 23101, compression process terminates device and returns to original state, and entrance is next
Continuous compression recycles.
Before the expansion process of embodiment 3 starts, first by second gas flow in pipes 24101 and third gas flow in pipes
24201 are connected by extraneous gas flow in pipes with high-pressure gas tank, and second gas discharge line 23101 and third gas are arranged
Go out pipeline 23201 by extraneous gas discharge line to be connected with low-pressure gas tank;
The continuous expansion process of embodiment 3 is:When original state in upper liquid chamber 231 and central liquid chamber 232
Preset full temperature control liquid, and piston is located at a high position;In first segment expansion process, 24201 He of third gas flow in pipes is opened
Second gas flow in pipes 24101, and high pressure gas is injected from second gas flow in pipes 24101, stock is lived in injection process
Plug 22 moves downward, after injecting a certain amount of high pressure gas, closing second gas flow in pipes 24101, and gas expansion for doing work,
It drives stock piston 22 to move downward, completes energy conversion;In first segment expansion process, gas passes through in upper flat plate 251
Sieve pore 1501 enter in upper liquid chamber 231, while the liquid in upper liquid chamber 231 passes through upper flat plate 251
In sieve pore 1501 fall, carry out gas-liquid mixed simultaneously complete caloic exchange, to realize temperature control i.e. gas etc. of the liquid to gas
Temperature expansion;After gas expansion to pressure identical as low-pressure gas tank, stock piston 22 stops and opens second gas discharge pipe
Road 23101;Carry out second segment expansion process, open third gas flow in pipes 24201 and inject high pressure gas, stock piston 22 to
Upper movement closes third gas flow in pipes 24201 after injecting a certain amount of high pressure gas, and gas expansion for doing work drives length
Bar piston 22 moves upwards, and completes energy conversion;In expansion process, in central gas chamber 241 and upper liquid chamber 231
Low-pressure gas be discharged by second gas discharge line 23101, liquid is returned to by the sieve pore 1501 in upper flat plate 251
Upper liquid chamber 231;Gas in lower gas chamber 242 passes through the sieve pore 1501 in middle part tablet 252 to enter middle part
In liquid chamber 232, while the liquid in central liquid chamber 232 is fallen by the sieve pore 1501 in middle part tablet 252, is carried out
Gas-liquid mixed simultaneously completes caloic exchange, to realize temperature control i.e. gas isothermal expansion of the liquid to gas;Wait for gas expansion to
After the identical pressure of low-pressure gas tank, stock piston 22 stops, and expansion process terminates device and returns to original state, into next company
Continuous expansion cycles.
Claims (8)
1. a kind of piston apparatus for realizing the expansion of gas isotherm compression, which is characterized in that including:Open piston cylinder (11) is lived
Fill in (12), liquid chamber (13), gas chamber (14), tablet (15), power-equipment (16), piston rod (1201), first gas
Flow in pipes (1401) and first gas discharge line (1301);Wherein piston (12) is installed in open piston cylinder (11),
Piston (12) vertical sliding above and below the internal open end of open piston cylinder (11);Piston (12) by piston rod (1201) with
The external reversible generator equipment (16) of open piston cylinder (11) is connected, and wherein reversible generator equipment (16) is to realize gas
The energy conversion of compression or expansion;It is fully sealed between piston (12) and open piston cylinder (11);Tablet is provided on (15)
Sieve pore (1501);
When the opening of open piston cylinder (11) is under, tablet (15) and the piston wall level of open piston cylinder (11) are solid
It connects and between the blind end and piston (12) of open piston cylinder (11), liquid chamber (13) is located at open piston cylinder
(11) it is liquid chamber (13), the liquid by the space that tablet (15) and open piston cylinder (11) surround at the top of blind end
Chamber (13) is connected by the first gas discharge line (1301) at top with extraneous gas discharge line;At this time tablet (15),
The space that piston (12) and open piston cylinder (11) are surrounded is gas chamber (14), and the gas chamber (14) passes through top
First gas flow in pipes (1401) be connected with extraneous gas flow in pipes;
When the opening of open piston cylinder (11) towards it is upper when, piston (12) be lower end open hollow piston, tablet (15) water
The flat lower section for being fixed in piston (12), and tablet (15) and the space that piston (12) surrounds are a liquid chamber (13), the liquid
Fluid chamber (13) is connected by the first gas discharge line (1301) at top with extraneous gas discharge line, and the liquid chamber
(13) with piston (12) together in open piston cylinder (11) interior vertical sliding;Piston (12) and open piston cylinder (11) at this time
The space that surrounds of blind end be gas chamber (14), and the first gas flow in pipes that the gas chamber (14) passes through bottom
(1401) it is connected with extraneous gas flow in pipes.
2. a kind of piston apparatus for realizing the expansion of gas isotherm compression, which is characterized in that including:Hermetic seal piston cylinder (21),
Stock piston (22), upper liquid chamber (231), central liquid chamber (232), central gas chamber (241), lower gas chamber
Room (242), upper flat plate (251), middle part tablet (252), process for long piston rod (2201), second gas discharge line (23101),
Three gas outlet pipe roads (23201), second gas flow in pipes (24101) and third gas flow in pipes (24201);It is wherein close
The hollow stock piston (22) of lower end opening is installed, stock piston (22) is in sealing piston cylinder (21) in envelope piston cylinder (21)
Freely slide up and down;Process for long piston rod (2201) be fixed in the top of stock piston (22) and with external dynamic of sealing piston cylinder (21)
Power equipment (16) is connected, and wherein power-equipment (16) is to realize gas compression or the energy conversion of expansion;
Middle part tablet (252) level is fixed in the bottom of hollow stock piston (22), stock piston (22) and middle part tablet (252)
The space surrounded is central liquid chamber (232);Central liquid chamber (232) is discharged by being installed on the third gas at the top of it
Pipeline (23201) is connected with extraneous gas discharge line;
The piston wall of upper flat plate (251) and hermetic seal piston cylinder (21) is horizontal affixed and is located at hermetic seal piston cylinder (21)
Top and piston (12) between;The space surrounded at the top of upper flat plate (251) and sealing piston cylinder (21) is upper liquid
Chamber (231), upper liquid chamber (231) is by being installed on the second gas discharge line (23101) at the top of it and external gas
Body discharge line is connected;
It is surrounded positioned at stock piston (22) top and by stock piston (22), sealing piston cylinder (21) and upper flat plate (251)
Space is central gas chamber (241), and central gas chamber (241) passes through second gas flow in pipes (24101) and external gas
Body flow in pipes is connected;
It is lower gas positioned at stock piston (22) lower part and by the space that stock piston (22) and sealing piston cylinder (21) surround
Chamber (242), lower gas chamber (242) by third gas flow in pipes (24201) and extraneous gas flow in pipes phase
Even;
It is all provided with sieve pore (1501) on upper flat plate (251) and middle part tablet (252).
3. a kind of piston apparatus for realizing the expansion of gas isotherm compression according to one of claims 1 or 2, feature exist
In described to realize that the energy conversion of gas compression or expansion is linear motor, linear electric generator, crank motor, crank hair
Motor or hydraulic test.
4. a kind of piston apparatus for realizing the expansion of gas isotherm compression according to one of claims 1 or 2, feature exist
It is set as one or more layers in, the tablet (15), the upper flat plate (251) or the middle part tablet (252), works as setting
When being at least two layers of tablet (15), upper flat plate (251) or middle part tablet (252), at least two layers of tablet (15), upper flat
During plate (251) or middle part tablet (252) make gas enter liquid chamber in the form of bubbles, the heat between gas and liquid
It exchanges more abundant.
5. a kind of piston apparatus for realizing the expansion of gas isotherm compression according to one of claims 1 or 2, feature exist
In, filler is filled in the liquid chamber (13), the upper liquid chamber (231) or the central liquid chamber (232),
It comes into full contact with and mixes with the liquid in filler when the gas enters each liquid chamber, realize that the caloic of gas-liquid exchanges.
6. a kind of piston apparatus for realizing the expansion of gas isotherm compression according to one of claims 1 or 2, feature exist
In the top of sub-sieve hole (1501) is equipped with sparger (1502) in the middle part of the sieve pore (1501), and sparger (1502) enables gas
When body enters liquid chamber in the form of bubbles, the heat exchange between gas and liquid is more abundant, the sparger (1502)
For bubble-cap or float valve.
7. a kind of continuous compression process of piston apparatus for realizing the expansion of gas isotherm compression according to claim 2,
Before continuous compression process starts, first second gas flow in pipes (24101) and third gas flow in pipes (24201) are passed through outer
Portion's gas injection line is connected with low-pressure gas tank, by second gas discharge line (23101) and third gas discharge line
(23201) it is connected with high-pressure gas tank by extraneous gas discharge line;It is characterized in that, continuous compression process is:
Step 1a, in the initial state, preset full temperature control liquid in upper liquid chamber (231) and central liquid chamber (232),
And stock piston (22) is located at a high position;
Step 2a, it in first segment compression process, first opens second gas flow in pipes (24101) and injects low-pressure gas, simultaneously
Stock piston (22) is moved downward by reversible generator equipment (16) drive, the low-pressure gas of compression lower gas chamber (242),
In first segment compression process, gas is entered across sieve pore (1501) in central liquid chamber (232), while central liquid chamber
Liquid in room (232) is fallen by the sieve pore (1501) in middle part tablet (252), is carried out gas-liquid mixed and is completed caloic friendship
It changes, to realize temperature control i.e. gas isotherm compression of the liquid to gas;After gas compression to pressure identical as high-pressure gas tank,
Stock piston (22) stops and opens third gas discharge line (23201), and stock piston (22) continues to move downward, high pressure gas
Body is discharged by third gas discharge line (23201), while liquid is returned to by the sieve pore (1501) in middle part tablet (252)
Central liquid chamber (232);
Step 3a, second segment compression process is carried out, third gas flow in pipes (24201) is opened, closes second gas injection pipe
Road (24101), power-equipment (16) drive stock piston (22) to move upwards compressed gas, and in compression process, gas passes through
Sieve pore (1501) enters in upper liquid chamber (231), while the liquid in upper liquid chamber (231) passes through sieve pore
(1501) it falls, carry out gas-liquid mixed and completes caloic exchange, to realize temperature control i.e. gas isotherm compression of the liquid to gas;
Step 4a, after gas compression to pressure identical as high-pressure gas tank, the second gas is opened in stock piston (22) stop motion
Body discharge line (23101), stock piston (22) continue up, at this time the high pressure gas in upper liquid chamber (231)
It is discharged by second gas discharge line (23101), while liquid is returned to by the sieve pore (1501) in upper flat plate (251)
Portion's liquid chamber (231);Last stock piston (22) is back to a high position, and closes second gas discharge line (23101), returns to step
Rapid 1a, it is recycled into next continuous compression.
8. a kind of continuous expansion process of piston apparatus that realizing the expansion of gas isotherm compression, before continuous expansion process starts,
First second gas flow in pipes and third gas flow in pipes are connected by extraneous gas flow in pipes with high-pressure gas tank, it will
Second gas discharge line and third gas discharge line are connected by extraneous gas discharge line with low-pressure gas tank;Its feature
It is, continuous expansion process is:
Step 1b, when original state, preset full temperature control liquid in upper liquid chamber and central liquid chamber, and stock piston position
In a high position;
Step 2b, third gas flow in pipes and second gas flow in pipes are opened in first segment expansion process, and from second
Gas injection line injects high pressure gas, and piston moves downward for stock in injection process, is then turned off second gas flow in pipes,
Gas expansion for doing work, driving stock, piston moves downward, completes energy conversion;In first segment expansion process, gas passes through upper
Sieve pore on portion's tablet enters in upper liquid chamber, while the indoor liquid of upper liquid chamber passes through the sieve in upper flat plate
Hole falls, and carries out gas-liquid mixed and completes caloic exchange, to realize temperature control i.e. gas isothermal expansion of the liquid to gas;Wait for gas
After body is expanded to pressure identical as low-pressure gas tank, stock piston stops and opens second gas discharge line;Carry out second segment
Expansion process,
Step 3b, it in second segment expansion process, opens third gas flow in pipes and injects high pressure gas, stock piston is transported upwards
It is dynamic, it is then turned off third gas flow in pipes, gas expansion for doing work drives stock piston upwards, completes energy conversion;
In expansion process, central gas chamber and the indoor low-pressure gas of upper liquid chamber are discharged by second gas discharge line, liquid
Body returns to upper liquid chamber by the sieve pore in upper flat plate;The indoor gas of lower gas chamber passes through the sieve in the tablet of middle part
Hole enters in central liquid chamber, while the indoor liquid of central liquid chamber is fallen by the sieve pore in the tablet of middle part, carries out
Gas-liquid mixed simultaneously completes caloic exchange, to realize temperature control i.e. gas isothermal expansion of the liquid to gas;Wait for gas expansion to
After the identical pressure of low-pressure gas tank, stock piston stops, and returns to step 1b, into next continuous expansion cycles.
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