CN110848151B - Gas isothermal compression device and compression method thereof - Google Patents
Gas isothermal compression device and compression method thereof Download PDFInfo
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- 238000007906 compression Methods 0.000 title claims abstract description 145
- 230000006835 compression Effects 0.000 title claims abstract description 134
- 238000000034 method Methods 0.000 title claims description 11
- 239000007788 liquid Substances 0.000 claims abstract description 134
- 230000009471 action Effects 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/18—Centrifugal pumps characterised by use of centrifugal force of liquids entrained in pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
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Abstract
The invention is suitable for the technical field of compressors, and provides a gas isothermal compression device which comprises a heat exchanger, a liquid circulation system connected with the heat exchanger and a pump body connected with the liquid circulation system, wherein the heat exchanger comprises a plurality of spiral radiators, a centrifugal device is sleeved outside the spiral radiators, the spiral radiators and the centrifugal device have opposite rotating directions, each spiral radiator comprises an air inlet channel and a compression medium channel, the two channels are arranged in a spiral manner, and the tail ends of the two channels are connected; the liquid circulation system comprises a conveying pipeline, a valve and a circulation medium positioned in the conveying pipeline, the circulation medium comprises gas to be compressed and compressed medium liquid, and the gas to be compressed and the compressed medium liquid respectively correspond to the air inlet channel and the compressed medium channel. Therefore, the invention does not need the intervention of other machines, overcomes the liquid viscous force and the friction force when separating gas and liquid and mixing, and improves the compression efficiency and the compression quality.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a gas isothermal compression device and a compression method thereof.
Background
The working principle of the air compressor is as follows: after the driving machine is started, the crankshaft of the compressor is driven to rotate through the triangular adhesive tape and is converted into a piston to reciprocate in the cylinder through the crank rod mechanism. When the piston moves from the cover side to the shaft, the volume of the cylinder is increased, the pressure in the cylinder is lower than the atmospheric pressure, and outside air enters the cylinder through the filter and the air suction valve; when the pressure reaches a certain value, the exhaust valve is pushed open, and the compressed air enters the air storage tank through the pipeline, so that the compressor works repeatedly and continuously, the compressed air is conveyed into the air storage tank, the pressure in the tank is gradually increased, and the required compressed air is obtained. Isothermal compression is the process in which the temperature of the gas remains constant during compression. In the ideal case, this can be seen as a reversible compression process. The engineering treatment is that a water cooling system is added into a compressor, compressed high-temperature gas passes through cooling water to take away compression heat to the cooling water, and the entropy change of the gas is small in isothermal compression, which is the most critical step of gas refrigeration and liquefaction. The power of compressor among the prior art mainly adopts the power of direct transmission, adopts solid and solid cooperation to form the compression chamber simultaneously, has lubricated and sealed problem to make the compression process have the compactness low, and the low inconvenient part of compression efficiency.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present invention provides an isothermal gas compression apparatus and a compression method thereof, which can improve compression quality and compression efficiency.
In order to achieve the purpose, the invention provides a gas isothermal compression device, which comprises a heat exchanger, a liquid circulation system connected with the heat exchanger and a pump body connected with the liquid circulation system, wherein the heat exchanger comprises a plurality of spiral radiators, a centrifugal device is sleeved outside the spiral radiators, the spiral radiators and the centrifugal device have opposite rotating directions, the spiral radiators comprise air inlet channels and compression medium channels, the two channels are arranged in a spiral manner, and the tail ends of the two channels are connected; the liquid circulation system comprises a conveying pipeline, a valve and a circulation medium positioned in the conveying pipeline, wherein the circulation medium comprises gas to be compressed and compressed medium liquid, and the gas to be compressed and the compressed medium liquid respectively correspond to the air inlet channel and the compressed medium channel.
According to the gas isothermal compression device, the heat exchanger is further connected with a heat engine and a heat pump, the heat engine comprises a heat engine taking a high-temperature heat source as a power source and a heat engine taking a low-temperature heat source as a power source, and the heat pump comprises a refrigerating pump, a heating pump or a hybrid pump.
According to the gas isothermal compression device, the number of the spiral radiators is three, and the spiral radiators are annularly arranged around the axis of the centrifugal device.
According to the gas isothermal compression device, the centrifugal device is provided with the rotating shaft, and the spiral radiator is annularly arranged by taking the rotating shaft as a center.
According to the gas isothermal compression device, the compressed medium liquid is far away from the rotating shaft under the action of the centrifugal device, and gas in the compressor is blocked to form a compression cavity.
According to the gas isothermal compression device, the compressed medium liquid separates the gas to be compressed, so that a pressure difference is formed between two ends of the gas to be compressed, a liquid level difference is formed, and the liquid level difference and the gas to be compressed form dynamic balance under the action of the centrifugal device.
According to the gas isothermal compression device, the pump body comprises at least two driving pumps and at least two driven pumps, the pump bodies are gear pumps, and the pump bodies are connected with a power device for providing power for the rotation of the spiral plate radiator.
According to the gas isothermal compression device, the side surface of the compression medium channel is closed, the side surface of the air inlet channel is communicated, and the direction of gas to be compressed is axial.
According to the gas isothermal compression device, the spiral radiator is provided with a plurality of layers, the spiral outer diameter of the spiral radiator is equal to the inner diameter of the spiral, and the tail end of the spiral radiator is provided with the auxiliary fins.
The method for realizing gas compression of the gas isothermal compression device comprises the following steps:
s1: the isothermal compressor is formed by combining three annularly arranged spiral plate radiators and a centrifugal device sleeved with the three spiral plate radiators, the centrifugal device realizes revolution by taking a rotating shaft as a center while the spiral plate radiators rotate, and the rotation direction is opposite to the revolution direction;
s2: when the compressed medium liquid passes through the inlet of the radiator, the compressed medium liquid flows into the compressed medium channel, is gathered at the end, far away from the center of the revolution, of the spiral plate radiator under the action of centrifugal force, and cuts off gas in the isothermal compressor to form a compression cavity;
s3: when the spiral plate radiator rotates, the compressed medium liquid still flows to and gathers at the end far away from the center of a circle of revolution under the action of centrifugal force, and the volume of the compression cavity is reduced by force, the gas in the compression cavity has contact area with the inner surface of the heat exchanger, and the heat generated by compression can be taken away by cooling air through the heat exchanger or stored in the specific heat capacity of the material of the heat exchanger, and when the compressed medium liquid flows through, the heat generated by compression is transferred to the compressed medium liquid by the high heat exchange rate of solid to liquid;
s4: after the spiral plate radiators rotate for a circle, a second part of compressed medium liquid flows into the compressed medium channel, and so on, when one part of compressed medium liquid is gathered at the position of each layer of spiral plate radiators far away from the end of the revolution circle center, a working form is formed;
s5: the compressed medium liquid divides the gas to be compressed, the air pressure of each layer is different, pressure difference is formed at two ends of the compressed medium liquid, and liquid level difference is caused, the liquid level difference and the air pressure difference in the compression cavity form dynamic balance under the action of centrifugal force, the total pressure of the system is equal to the sum of the pressure difference provided by each layer of liquid level difference, the pressure difference provided by each layer of liquid level difference is the revolution linear velocity, the liquid amount and the clearance ratio of the compression cavity, the compressed medium liquid and the compressed gas entering the center of the spiral plate radiator when the working forms are repeated and maintained laterally flow out through a sliding seal, under the action of revolution centrifugal force, the gas and the liquid are separated, the gas flows to the next working procedure, and the liquid flows to the far-end of the revolution;
s6: in order to balance the gas pressure difference and the centrifugal force, two pump bodies, namely an active pump and a passive pump, are additionally arranged in the liquid pipeline, and the pump bodies are gear pumps which are connected with a power device for providing power for the rotation of the spiral plate radiator;
s7: the heat exchanger in a centrifugal state and containing compressed medium liquid is taken as a main part, the centrifugal force of the liquid is used as a medium for applying force to gas through a compression cavity formed by the liquid and the heat exchanger to assist heat exchange, the compression force is transferred by the movement of the heat exchanger, the heat exchange area in the compression process is greatly increased, and the approximately isothermal compression and isothermal expansion of the gas are completed.
The invention provides a gas isothermal compression device, which comprises a heat exchanger, a liquid circulation system connected with the heat exchanger and a pump body connected with the liquid circulation system, wherein the heat exchanger comprises a plurality of spiral radiators, a centrifugal device is sleeved outside the spiral radiators, the spiral radiators and the centrifugal device have opposite rotating directions, each spiral radiator comprises an air inlet channel and a compression medium channel, the two channels are arranged in a spiral manner, the tail ends of the two channels are connected, and the spiral radiator structures connected with the tail ends are utilized to realize the isolation of flowing gas to be compressed and compression medium liquid, so that a compression cavity and a liquid level difference are realized under the action of the centrifugal device, the equal-ratio compression is realized, and the compression quality and the compression efficiency are improved; the liquid circulation system comprises a conveying pipeline, a valve and a circulation medium located in the conveying pipeline, the circulation medium comprises gas to be compressed and compression medium liquid, the gas to be compressed and the compression medium liquid respectively correspond to the air inlet channel and the compression medium channel, the liquid circulation system is used for carrying out effective circulation pushing on the gas to be compressed and the compression medium liquid, isothermal gas compression is further achieved, work consumed by liquid viscous force is overcome, and compression quality and compression efficiency are improved. The invention has the beneficial effects that: under the lower cost, the available heat exchange area in the compression process is greatly enlarged, so that the compression process can be finished in the heat exchanger, the compression efficiency and the overall compactness, timeliness and practicability are improved, the structure is simple, and the processing and manufacturing difficulty is low. In addition, the heat dissipation area in the gas compression process is greatly increased, the timeliness of isothermal compression is improved, the isothermal compression is approximately realized, and meanwhile, the gas runs reversely and can be used as an isothermal expansion device of a heating and cold source heat engine. The gas isothermal compression is finished efficiently and with low consumption by only overcoming the viscous force of liquid flowing through a heat exchanger and the friction force during gas-liquid separation after the compression is finished without the intervention of other machines except the necessary work of the compressed gas and the necessary temperature difference of heat exchange.
Drawings
FIG. 1 is a schematic view of the construction of a spiral radiator and centrifugal device according to the present invention;
FIG. 2 is a schematic view showing the structure of the liquid level difference according to the present invention;
FIG. 3 is a schematic view of the operation of the adiabatic compressor of the present invention;
FIG. 4 is another schematic view of the liquid level difference in the present invention
FIG. 5 is a schematic view of a liquid level difference structure of a plurality of spiral radiators in the present invention;
FIG. 6 is a schematic view of the spiral radiator of the present invention;
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1 to 6, the invention provides a gas isothermal compression device, which comprises a heat exchanger, a liquid circulation system connected with the heat exchanger and a pump body connected with the liquid circulation system, wherein the heat exchanger comprises a plurality of spiral radiators, a centrifugal device is sleeved outside the spiral radiators, the spiral radiators and the centrifugal device have opposite rotating directions, each spiral radiator comprises an air inlet channel and a compression medium channel, the two channels are spirally arranged, the tail ends of the two channels are connected, and the spiral radiator structures connected with the tail ends are utilized to isolate gas to be compressed and compression medium liquid flowing through the spiral radiators, so that a compression cavity and a liquid level difference are realized under the action of the centrifugal device, and the compression quality and the compression efficiency are improved; the liquid circulation system comprises a conveying pipeline, a valve and a circulation medium located in the conveying pipeline, the circulation medium comprises gas to be compressed and compression medium liquid, the gas to be compressed and the compression medium liquid respectively correspond to the air inlet channel and the compression medium channel, the liquid circulation system is used for carrying out effective circulation pushing on the gas to be compressed and the compression medium liquid, isothermal gas compression is further achieved, work consumed by liquid viscous force is overcome, and compression quality and compression efficiency are improved.
Preferably, the heat exchanger of the invention is further connected with a heat engine and a heat pump, the heat engine comprises a heat engine using a high-temperature heat source as a power source and a heat engine using a low-temperature heat source as a power source, the heat pump comprises a refrigeration pump, a heating pump or a mixed pump, and the heat exchangers or heat engines in different combination forms are utilized to realize effective compression of gas to be compressed and compression medium liquid, so that the compression quality and the compression efficiency are realized. The low-temperature heat source refers to a cold source lower than the ambient temperature, and does not refer to a low-grade heat source.
In addition, three spiral radiators are arranged and are annularly arranged by the axis of the centrifugal device, so that the compression quality and the tightness in the compression process are ensured, and the compression efficiency is further improved.
Furthermore, the compressed medium liquid is far away from the rotating shaft under the action of the centrifugal device, the gas in the compressor is isolated to form a compression cavity, and the gas to be compressed is isolated through the compression cavity, so that the subsequent effective matching with the compressed medium liquid is realized, and the working efficiency and the working quality are improved.
Preferably, the compressed medium liquid separates the gas to be compressed, so that a pressure difference is formed between two ends of the gas to be compressed, a liquid level difference is caused, the liquid level difference and the gas to be compressed form dynamic balance under the action of the centrifugal device, and the liquid level difference with the dynamic balance and the gas to be compressed are utilized to realize effective compression, so that the compression quality and the compression efficiency are improved.
A method for realizing gas compression by using a gas isothermal compression device comprises the following steps:
s1: the isothermal compressor is formed by combining three annularly arranged spiral plate radiators and a centrifugal device sleeved with the three spiral plate radiators, the centrifugal device realizes revolution by taking a rotating shaft as a center while the spiral plate radiators rotate, and the rotation direction is opposite to the revolution direction;
s2: when the compressed medium liquid passes through the inlet of the radiator, the compressed medium liquid flows into the compressed medium channel, is gathered at the end, far away from the center of the revolution, of the spiral plate radiator under the action of centrifugal force, and cuts off gas in the isothermal compressor to form a compression cavity;
s3: when the spiral plate radiator rotates, the compressed medium liquid still flows to and gathers at the end far away from the center of a circle of revolution under the action of centrifugal force, and the volume of the compression cavity is reduced by force, the gas in the compression cavity has contact area with the inner surface of the heat exchanger, and the heat generated by compression can be taken away by cooling air through the heat exchanger or stored in the specific heat capacity of the material of the heat exchanger, and when the compressed medium liquid flows through, the heat generated by compression is transferred to the compressed medium liquid by the high heat exchange rate of solid to liquid;
s4: after the spiral plate radiators rotate for a circle, a second part of compressed medium liquid flows into the compressed medium channel, and so on, when one part of compressed medium liquid is gathered at the position of each layer of spiral plate radiators far away from the end of the revolution circle center, a working form is formed;
s5: the compressed medium liquid divides the gas to be compressed, the air pressure of each layer is different, pressure difference is formed at two ends of the compressed medium liquid, and liquid level difference is caused, the liquid level difference and the air pressure difference in the compression cavity form dynamic balance under the action of centrifugal force, the total pressure of the system is equal to the sum of the pressure difference provided by each layer of liquid level difference, the pressure difference provided by each layer of liquid level difference is the revolution linear velocity, the liquid amount and the clearance ratio of the compression cavity, the compressed medium liquid and the compressed gas entering the center of the spiral plate radiator when the working forms are repeated and maintained laterally flow out through a sliding seal, under the action of revolution centrifugal force, the gas and the liquid are separated, the gas flows to the next working procedure, and the liquid flows to the far-end of the revolution;
s6: in order to balance the gas pressure difference and the centrifugal force, two pump bodies, namely an active pump and a passive pump, are additionally arranged in the liquid pipeline, and the pump bodies are gear pumps which are connected with a power device for providing power for the rotation of the spiral plate radiator;
s7: the heat exchanger in a centrifugal state and containing compressed medium liquid is taken as a main part, the centrifugal force of the liquid is used as a medium for applying force to gas through a compression cavity formed by the liquid and the heat exchanger to assist heat exchange, the compression force is transferred by the movement of the heat exchanger, the heat exchange area in the compression process is greatly increased, and the approximately isothermal compression and isothermal expansion of the gas are completed.
The centrifugal device is provided with a rotating shaft, and the spiral radiator is annularly arranged by taking the rotating shaft as a center. The pump body includes at least two, is initiative pump and passive pump respectively, just the pump body is the gear pump, the power device that the pump body coupling provides power for the rotation of spiral plate radiator also can adopt a gear pump and the combination of spiral plate radiator to form the linkage, and the gear pump atress work does not need power, only needs to transmit the spiral plate radiator to power, makes its realization rotation. The side surface of the compressed medium channel is closed, the side surface of the air inlet channel is communicated, the direction of the gas to be compressed is axial, the spiral radiator is provided with a plurality of layers, the spiral outer diameter of the spiral radiator is equal to the inner diameter of the spiral, the tail end of the spiral radiator is provided with an auxiliary fin to increase the system pressure, heat is transferred to the compressed liquid by depending on the solid-liquid heat conduction of the compressed liquid and the material of the radiator, and the auxiliary radiator is arranged at the rear section after the compression is finished to solve the problems that less heat is generated at the initial section of the compression, the contact heat dissipation area is the largest on the contrary, the heat generated at the final section is large, the heat dissipation area.
In conclusion, the invention provides a gas isothermal compression device, which comprises a heat exchanger, a liquid circulation system connected with the heat exchanger and a pump body connected with the liquid circulation system, wherein the heat exchanger comprises a plurality of spiral radiators, a centrifugal device is sleeved outside the spiral radiators, the spiral radiators and the centrifugal device have opposite rotating directions, each spiral radiator comprises an air inlet channel and a compression medium channel, the two channels are spirally arranged, and the tail ends of the two channels are connected; the liquid circulation system comprises a conveying pipeline, a valve and a circulation medium located in the conveying pipeline, the circulation medium comprises gas to be compressed and compression medium liquid, the gas to be compressed and the compression medium liquid respectively correspond to the air inlet channel and the compression medium channel, the liquid circulation system is used for carrying out effective circulation pushing on the gas to be compressed and the compression medium liquid, isothermal gas compression is further achieved, work consumed by liquid viscous force is overcome, and compression quality and compression efficiency are improved. The invention has the beneficial effects that: under the lower cost, the available heat exchange area in the compression process is greatly enlarged, so that the compression process can be finished in the heat exchanger, the compression efficiency and the overall compactness, timeliness and practicability are improved, the structure is simple, and the processing and manufacturing difficulty is low.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A gas isothermal compression device is characterized by comprising a heat exchanger, a liquid circulation system connected with the heat exchanger and a pump body connected with the liquid circulation system, wherein the heat exchanger comprises a plurality of spiral radiators, a centrifugal device is sleeved outside the spiral radiators, the spiral radiators and the centrifugal device have opposite rotating directions, each spiral radiator comprises an air inlet channel and a compression medium channel, the two channels are arranged in a spiral mode, and the tail ends of the two channels are connected;
liquid circulation system includes pipeline, valve and the circulation medium that is located pipeline, the circulation medium is including treating compressed gas and compressed medium liquid, just treat that compressed gas and compressed medium liquid correspond inlet air channel and compressed medium passageway respectively, compressed medium passageway side is sealed, the inlet air channel side link up, treat that the compressed gas direction is the axial, the spiral radiator has a plurality of layers, just the spiral radiator spiral external diameter equals spiral internal diameter, the spiral radiator end has auxiliary fin.
2. The gas isothermal compression device according to claim 1, wherein the heat exchanger is further connected with a heat engine and a heat pump, the heat engine comprises a heat engine using a high-temperature heat source as a power source and a heat engine using a low-temperature heat source as a power source, and the heat pump comprises a refrigeration pump, a heating pump or a hybrid pump.
3. An isothermal gas compression device according to claim 1, wherein said spiral radiators are three and are arranged around the axis of the centrifugal device.
4. The isothermal gas compression device of claim 3, wherein the centrifugal device is provided with a rotating shaft, and the spiral heat sink is annularly arranged around the rotating shaft.
5. The gas isothermal compression device according to claim 4, wherein the compression medium liquid is far away from the rotating shaft under the action of the centrifugal device and blocks gas inside the compressor to form a compression cavity.
6. A gas isothermal compression device according to claim 5, wherein the compression medium liquid separates the gas to be compressed to form a pressure difference between two ends thereof, so as to form a liquid level difference, and the liquid level difference is dynamically balanced with the gas to be compressed under the action of the centrifugal device.
7. The gas isothermal compression device of claim 1, wherein the pump body comprises at least two, respectively an active pump and a passive pump, and the pump body is a gear pump, and the pump body is connected to a power device for providing power for the rotation of the spiral plate heat sink.
8. A method for realizing gas compression by using the gas isothermal compression device as claimed in any one of claims 1-7, characterized by comprising the following steps:
s1: the isothermal compressor is formed by combining three annularly arranged spiral plate radiators and a centrifugal device sleeved with the three spiral plate radiators, the centrifugal device realizes revolution by taking a rotating shaft as a center while the spiral plate radiators rotate, and the rotation direction is opposite to the revolution direction;
s2: when the compressed medium liquid passes through the inlet of the radiator, the compressed medium liquid flows into the compressed medium channel, is gathered at the end, far away from the center of the revolution, of the spiral plate radiator under the action of centrifugal force, and cuts off gas in the isothermal compressor to form a compression cavity;
s3: when the spiral plate radiator rotates, the compressed medium liquid still flows to and gathers at the end far away from the center of a circle of revolution under the action of centrifugal force, and the volume of the compression cavity is reduced by force, the gas in the compression cavity has contact area with the inner surface of the heat exchanger, and the heat generated by compression can be taken away by cooling air through the heat exchanger or stored in the specific heat capacity of the material of the heat exchanger, and when the compressed medium liquid flows through, the heat generated by compression is transferred to the compressed medium liquid by the high heat exchange rate of solid to liquid;
s4: after the spiral plate radiators rotate for a circle, a second part of compressed medium liquid flows into the compressed medium channel, and so on, when one part of compressed medium liquid is gathered at the position of each layer of spiral plate radiators far away from the end of the revolution circle center, a working form is formed;
s5: the compressed medium liquid divides the gas to be compressed, the air pressure of each layer is different, pressure difference is formed at two ends of the compressed medium liquid, and liquid level difference is caused, the liquid level difference and the air pressure difference in the compression cavity form dynamic balance under the action of centrifugal force, the total pressure of the system is equal to the sum of the pressure difference provided by each layer of liquid level difference, the pressure difference provided by each layer of liquid level difference is the revolution linear velocity, the liquid amount and the clearance ratio of the compression cavity, the compressed medium liquid and the compressed gas entering the center of the spiral plate radiator when the working forms are repeated and maintained laterally flow out through a sliding seal, under the action of revolution centrifugal force, the gas and the liquid are separated, the gas flows to the next working procedure, and the liquid flows to the far-end of the revolution;
s6: in order to balance the gas pressure difference and the centrifugal force, two pump bodies, namely an active pump and a passive pump, are additionally arranged in the liquid pipeline, and the pump bodies are gear pumps which are connected with a power device for providing power for the rotation of the spiral plate radiator;
s7: the heat exchanger in a centrifugal state and containing compressed medium liquid is taken as a main part, the centrifugal force of the liquid is used as a medium for applying force to gas through a compression cavity formed by the liquid and the heat exchanger to assist heat exchange, the compression force is transferred by the movement of the heat exchanger, the heat exchange area in the compression process is greatly increased, and the approximately isothermal compression and isothermal expansion of the gas are completed.
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CN85104859A (en) * | 1985-06-25 | 1987-01-07 | 英国古尼瓦克有限公司 | Pump |
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CN209523895U (en) * | 2019-03-08 | 2019-10-22 | 武汉瑞气节能环保科技有限公司 | Isothermal compressor |
CN110195704A (en) * | 2019-06-13 | 2019-09-03 | 科希曼电器有限公司 | Radiator for helical-lobe compressor |
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