CN112880234A - Heat utilization system - Google Patents
Heat utilization system Download PDFInfo
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- CN112880234A CN112880234A CN202110088664.8A CN202110088664A CN112880234A CN 112880234 A CN112880234 A CN 112880234A CN 202110088664 A CN202110088664 A CN 202110088664A CN 112880234 A CN112880234 A CN 112880234A
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- working medium
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- heat utilization
- utilization system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/005—Machines, plants or systems, using particular sources of energy using solar energy in compression type systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to the technical field of heat exchange, and particularly relates to a heat utilization system. Aiming at the defect that the oil return is difficult due to the fact that working media of a liquid storage tank of the existing heat utilization system go up and down, the invention adopts the following technical scheme: the utility model provides a heat utilization system, includes the heat utilization system who communicates compressor, condenser, liquid storage pot, throttle part, evaporimeter in proper order through circulating line, be equipped with working medium and lubricating oil in the circulating line, the liquid storage pot includes: a can body; a first working medium pipe; a second working medium tube; the first working medium pipe and the second working medium pipe extend into the tank body from bottom to top, the first working medium pipe and the second working medium pipe are sealed with the tank body, and oil return holes are formed in the side walls of the first working medium pipe and the second working medium pipe. The heat utilization system of the invention has the advantages that: and lubricating oil can smoothly return to the compressor during cold and hot running of the system, so that the good running of the compressor is ensured.
Description
Technical Field
The invention belongs to the technical field of solar heat utilization, and particularly relates to a heat utilization system.
Background
The existing heat utilization system, such as a solar energy heteromultimeric heat utilization system, comprises a heat utilization system which is sequentially communicated with a compressor, a condenser, a liquid storage tank, a throttling component and an evaporator through a circulating pipeline, wherein working media and lubricating oil flow through the circulating pipeline. The liquid storage tank is usually arranged between a condenser and a throttling part of an air conditioner or a heat pump, and the liquid storage tank is mainly used for storing excessive liquid in a system and realizing the liquid sealing function, so that the maximum liquid purity of working media entering the throttling part from the liquid storage tank is ensured. The evaporator includes a heat collection plate.
In the existing liquid storage tank, an inlet and an outlet of the existing liquid storage tank are both arranged at the top of the liquid storage tank, namely working media go up and down. For guaranteeing the lubrication, the lubricating oil has been mixed in the working medium, oil and working medium are in the state of dissolving mutually, along with working medium temperature, ambient temperature's decline, the solubility of oil can reduce by a wide margin, working medium can the fluid separation, the density of lubricating oil is greater than the working medium, sink naturally after receiving the influence of gravity, the lubricating oil deposit is in the bottom of liquid storage pot, pile up in the jar body for a long time, it is comparatively difficult to lead to the oil return, the oil return is not smooth will lead to the system to lack oil, lack oil leads to the unable normal work of compressor, entire system is in the paralysis.
In addition, the heat collecting plate also has the problem of poor oil return. The problem of unsmooth oil return of the heat-collecting plate is more prominent under the working condition environment temperature of-30 ℃ to-10 ℃.
Disclosure of Invention
The invention provides a heat utilization system aiming at the defect that oil return is difficult due to the fact that working media of a liquid storage tank of the existing heat utilization system go up and out, and oil return is stable while smooth circulation of the working media is ensured.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a heat utilization system, includes compressor, condenser, liquid storage pot, throttle part, the evaporimeter that communicates in proper order through circulating line, be equipped with working medium and lubricating oil in the circulating line, the liquid storage pot includes:
a can body;
a first working medium pipe;
a second working medium tube;
the first working medium pipe and the second working medium pipe extend into the tank body from bottom to top, the first working medium pipe and the second working medium pipe are sealed with the tank body, and oil return holes are formed in the side walls of the first working medium pipe and the second working medium pipe.
As an improvement, the first working medium pipe and the second working medium pipe are both vertically arranged.
As an improvement, the first working medium pipe and the second working medium pipe are equal in height.
As an improvement, the first working medium pipe and the second working medium pipe are the same.
As an improvement, working medium enters the tank body from the first working medium pipe and flows out of the tank body from the second working medium pipe, or the working medium enters the tank body from the second working medium pipe and flows out of the tank body from the first working medium pipe. Namely, the liquid storage tank is a bidirectional liquid storage tank and can be used in a heating and refrigerating system.
As an improvement, the oil return hole is arranged close to the bottom of the tank body, so that oil accumulation at the bottom of the tank body is prevented.
As the improvement, the oil return holes are uniformly distributed in the circumferential direction.
As a refinement, the height of the first working medium tube in the tank body is 1/4 to 1/2 of the tank body internal height.
As a refinement, the distance between the first working medium tube and the second working medium tube is 1/4 to 3/4 of the tank body inner diameter.
As an improvement, the evaporator comprises a heat collecting plate, the heat collecting plate comprises a panel body, the panel body comprises a working medium flow passage, a working medium inlet, a working medium outlet and an oil return pipe, the working medium inlet, the working medium outlet and the oil return pipe are respectively connected with the working medium flow passage, the working medium flow passage is criss-cross and forms an evaporation area, the working medium inlet and the working medium outlet are respectively located on two sides of the top of the evaporation area, and the oil return pipe is located at the bottom of the evaporation area.
The further preferable scheme of the invention is as follows: the oil return pipe is provided with two flow-limiting necking ports for preventing the system from sucking out liquid working media due to overlarge suction force, so that the compressor is prevented from being impacted by liquid.
The further preferable scheme of the invention is as follows: and a liquid inlet shunting area for shunting liquid inlet is further arranged between the working medium inlet and the evaporation area, and the liquid inlet shunting area is formed by latticed working medium flow channels.
The further preferable scheme of the invention is as follows: and a gaseous communication area used for guiding gaseous working media to the working medium outlet is arranged between the working medium outlet and the evaporation area, the gaseous communication area is formed by latticed working medium flow channels, and the gaseous communication area penetrates through the evaporation area from top to bottom.
According to the scheme, the evaporated gaseous working medium is guided to the working medium outlet through the gaseous communication area.
The further preferable scheme of the invention is as follows: the working medium outlet is connected with an air return main flow passage, and the tail end of the air return main flow passage is intersected with the tail end of the oil return pipe.
The further preferable scheme of the invention is as follows: the evaporation area is internally provided with a flow extending part used for conveying liquid working medium in the horizontal direction, the flow extending part is positioned below the working medium inlet and extends from the working medium inlet side to the working medium outlet side to form a flow extending area.
By arranging the plurality of extension flow areas, the sinking speed of the working medium under the action of gravity is slowed down, and the working medium diffusion space is enlarged, so that the liquid working medium can be fully evaporated.
The further preferable scheme of the invention is as follows: the extension flow areas are provided with a plurality of layers from top to bottom, and a flow equalizing part facilitating uniform diffusion of liquid working media is arranged between every two adjacent extension flow areas.
The lower part of the flow extension area is provided with a flow equalizing area, so that the liquid working medium can be uniformly diffused to two ends, and the temperature balance of each part is ensured.
The further preferable scheme of the invention is as follows: the length of the panel body in the horizontal direction is greater than or equal to the length of the panel body in the vertical direction; the working medium flow passage in the evaporation area comprises a transverse flow passage and a longitudinal flow passage, wherein the transverse flow passage and the longitudinal flow passage are intersected and the intersection is in a T shape.
The further preferable scheme of the invention is as follows: the length of the panel body in the horizontal direction is less than or equal to the length of the panel body in the vertical direction; the working medium flow passage in the evaporation area comprises a transverse flow passage and a longitudinal flow passage, wherein the transverse flow passage and the longitudinal flow passage are intersected and the intersection is in a cross shape.
The further preferable scheme of the invention is as follows: the evaporation area is also internally provided with a short-flow prevention part for preventing the liquid working medium in the working medium flow passage from directly entering the working medium outlet in a short path; the short-flow prevention part is arranged along the vertical direction.
The heat utilization system of the invention has the advantages that: through the setting of the tank structure that advances down and go out and circumference equipartition oil gallery, provide unobstructed route for jar body oil return, lubricating oil can both smoothly get back to the compressor when the cold and hot operation of system, guarantees that the compressor moves well, and this liquid storage pot simple structure, cost are low, have especially solved the difficult problem of back oil of going up out during operation on the present reservoir. Furthermore, the height of the working medium pipe is 1/4-1/2 of the internal height of the tank body, and the working medium pipe is arranged to fully cool the working medium, so that the working medium flowing into the tank body is prevented from short-circuiting and directly flowing into an outlet of the tank body; the working medium outlet is formed in the top of the heat-collecting plate evaporation area, the gaseous working medium in the gaseous communication area is timely led out, and meanwhile, the oil return pipe at the bottom of the evaporation area is provided with the flow-limiting necking, so that the liquid working medium is prevented from being sucked out, the oil return of the system is ensured to be smooth, and the utilization rate and the energy efficiency ratio are improved.
Drawings
FIG. 1 is a sectional view of a fluid reservoir tank in accordance with a first embodiment of the present invention.
Fig. 2 is a block diagram of a heat utilization system according to a first embodiment of the present invention.
Fig. 3 is a schematic structural view of a heat collecting plate of an evaporator of the heat utilization system according to the first embodiment of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of a heat collecting plate of an evaporator of a heat utilization system according to a second embodiment of the present invention.
In the figure, T, a liquid storage tank; t1, can body; t2, a first working medium tube; t3, second working medium tube; t4, oil return hole;
1. a working medium inlet;
2. liquid inlet separation area;
3. a gaseous communication zone;
4. a main air return channel;
5. an oil return pipe;
6. a gas-oil confluence pipe;
7. a working medium outlet;
8. a short flow prevention section;
9. a flow delaying part;
10. a current equalizing section;
11. and (4) flow limiting and necking.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.
Referring to fig. 1 to 5, the heat utilization system of the present invention includes a compressor, a condenser, a liquid storage tank, a throttling member, and an evaporator sequentially communicated through a circulation pipe, wherein the circulation pipe is provided with a working medium and a lubricating oil, and the liquid storage tank includes:
a can body;
a first working medium pipe;
a second working medium tube;
the first working medium pipe and the second working medium pipe extend into the tank body from bottom to top, the first working medium pipe and the second working medium pipe are sealed with the tank body, and oil return holes are formed in the side walls of the first working medium pipe and the second working medium pipe.
The heat utilization system of the invention has the advantages that: and lubricating oil can smoothly return to the compressor during cold and hot running of the system, so that the good running of the compressor is ensured. After the lubricating oil tank is used for a period of time, lubricating oil is deposited at the bottom of the tank body and is higher than the oil return hole, due to the existence of pressure difference, the oil return hole in the working medium pipe at the working medium inlet of the tank body cannot block the working medium pipe, and the lubricating oil in the working medium pipe at the working medium outlet of the tank body flows out of the tank body along with the working medium and cannot be accumulated in the tank body, so that the smooth flowing of the lubricating oil is ensured.
Referring to fig. 1 to 4, a heat utilization system according to an embodiment of the present invention includes a compressor, a condenser, a liquid storage tank T, a throttling member, and an evaporator, which are sequentially communicated through a circulation pipe, wherein a working medium and a lubricating oil are disposed in the circulation pipe, and the liquid storage tank T includes:
a tank body T1;
a first working medium tube T2;
a second working medium tube T3;
the first working medium pipe T2 and the second working medium pipe T3 extend into the tank body T1 from bottom to top, the first working medium pipe T2, the second working medium pipe T3 and the tank body T1 are sealed, and oil return holes T4 are formed in the side walls of the first working medium pipe T2 and the second working medium pipe T3.
In this embodiment, the first and second working medium tubes T2 and T3 are both vertically disposed.
In this embodiment, the first and second working medium tubes T2 and T3 have the same height.
In this embodiment, the first and second working fluid tubes T2 and T3 are identical.
In this embodiment, working fluid enters the tank body T1 from the first working fluid pipe T2 and flows out of the tank body T1 from the second working fluid pipe T3, or working fluid enters the tank body T1 from the second working fluid pipe T3 and flows out of the tank body T1 from the first working fluid pipe T2. Namely, the liquid storage tank T is a bidirectional liquid storage tank and can be used in heating and refrigerating systems.
In this embodiment, the oil return holes T4 are uniformly distributed in the circumferential direction. The size and number of oil return holes T4 can be adjusted by experiment.
In the present embodiment, the height of the first working fluid pipe T2 in the tank body T1 is 1/4 to 1/2 of the inner height of the tank body T1.
In the present embodiment, the distance between the first and second working fluid tubes T2 and T3 is 1/4 to 3/4 of the inner diameter of the tank body T1.
In this embodiment, the evaporator includes a heat collecting plate including a panel body, and a length of the panel body in a horizontal direction is longer than a length of the panel body in a vertical direction. When the panel body is used, the panel body is vertically arranged on the outer surface of a wall body or is arranged in an open-air inclined mode through a fixing frame (in addition, the panel can also be in an arc shape according to the requirement of actual conditions). The panel body is internally provided with a working medium flow passage, a working medium inlet 1, a working medium outlet 7 and an oil return pipe 5 which are respectively connected with the working medium flow passage. The working medium flow passages are criss-cross and form an evaporation area, the working medium inlet 1 and the working medium outlet 7 are respectively positioned on two sides of the top of the evaporation area, and the oil return pipe 5 is positioned at the bottom of the evaporation area. And the oil return pipe 5 is provided with a flow-limiting necking 11 for preventing the system from sucking out liquid working medium due to overlarge suction force.
Because the length of the panel in the horizontal direction is greater than that in the vertical direction, the downward flowing speed of the liquid working medium needs to be delayed, and the liquid working medium is prevented from directly flowing into the oil return pipe 5 without flowing to the working medium outlet 7 side along the horizontal direction. Specifically, the working medium flow passage of the evaporation area comprises a horizontal transverse flow passage and a vertical longitudinal flow passage, the vertical longitudinal flow passages are connected in a staggered manner, staggered branches are respectively formed on the upper side and the lower side of the transverse flow passage, so that the transverse flow passage and the longitudinal flow passage are converged mutually, and the intersection is in a T shape, thereby relatively increasing the flow path of the liquid working medium in the horizontal direction, further prolonging the time for the liquid working medium to stay in the evaporation area, fully absorbing heat in the stay time as far as possible, and improving the conversion rate of the liquid working medium into the gaseous working medium.
A liquid inlet shunting area for shunting liquid inlet is further arranged between the working medium inlet 1 and the evaporation area, and the liquid inlet shunting area is formed by latticed working medium flow passages. One side of the latticed working medium runner in the liquid inlet shunting area is communicated with the working medium inlet 1, and the other side of the latticed working medium runner is communicated with the working medium runner in the evaporation area.
A gaseous communication area 3 for guiding gaseous working media to the working media outlet 7 is further arranged between the working media outlet 7 and the evaporation area, the gaseous communication area 3 is formed by latticed working media flow channels, and the gaseous communication area 3 penetrates through the evaporation area from top to bottom.
In order to make air return smoother, the working medium outlet 7 is connected with an air return main flow passage 4, and the tail end of the air return main flow passage 4 is intersected with the tail end of the oil return pipe 5. In this embodiment, the air return main flow passage 4 adopts a longitudinal and transverse double flow passage design, so that it is ensured that there is enough flow passage area for the air to flow and the pressure is balanced, and after the tail end of the air return main flow passage 4 is intersected with the tail end of the oil return pipe 5, the air return main flow passage is connected with the air-oil converging pipe 6, so that the gaseous working medium and the lubricating oil are converged in the air-oil converging pipe and then return to the compressor of the working system where the panel body is located.
The evaporation area is internally provided with a flow extending part 9 used for conveying liquid working medium in the horizontal direction, the flow extending part 9 is positioned below the working medium inlet 1, and the working medium inlet 1 extends to the working medium outlet 7 side to form a flow extending area. Or the density of the longitudinal flow channels in the flow extending area is less than that of the longitudinal flow channels in the evaporation area.
The extension flow areas are provided with a plurality of layers from top to bottom, and a flow equalizing part 10 facilitating uniform diffusion of liquid working media is arranged between every two adjacent extension flow areas. In this embodiment, the lengths of the horizontal flow channels and the vertical flow channels around the flow equalizing portion 10 are equal, that is, the flow equalizing portion 10 is square.
The heat utilization system of the first embodiment of the invention has the beneficial effects that: redesign is carried out in the pipeline business turn over of liquid storage pot, redesign the face runner of heat gathering board, and lubricating oil can both smoothly get back to the compressor when the cold and hot operation of system, guarantees that the compressor moves well.
Example two
The heat collecting plate in the second embodiment is mainly different from the heat collecting plate in the first embodiment in that the length of the panel body in the horizontal direction is smaller than that in the vertical direction; the working medium flow passage in the evaporation area comprises a transverse flow passage and a longitudinal flow passage, wherein the transverse flow passage and the longitudinal flow passage are intersected and the intersection is in a cross shape. The transverse flow channel is intersected with the longitudinal flow channel, and the evaporation area is divided into a plurality of small grids with equal areas.
Referring to fig. 5, a short-flow prevention part 8 for preventing the liquid working medium in the working medium flow passage from directly entering the gas communication area 3 is further arranged in the evaporation area; the short-flow prevention portion 8 is provided in the vertical direction. In this embodiment, the short-flow prevention portion 8 is rectangular, and the rectangle is arranged in the vertical direction. The short flow prevention parts 8 are provided in plural, the short flow prevention parts 8 are provided in parallel, and the heights thereof are gradually decreased or increased, and the successive short flow prevention parts 8 form steps of different heights. In addition, the flow delaying part 9 is also arranged below the short-flow preventing part 8 in a certain ladder, so that the liquid working medium flowing down along the short-flow preventing part 8 can flow in the horizontal direction, a buffering effect is achieved, the direct filling into a working medium flow channel below is avoided, and the evaporation is fully completed in a tube pass flow channel.
In order to make the air return smoother, a working medium second outlet 71 is arranged at the middle position of one side of the evaporation area, the working medium second outlet 71 is communicated with the air return main flow passage 4, so that the gaseous working medium in the lower evaporation area can enter the air return main flow passage 4 as soon as possible, and the tail end of the air return main flow passage 4 is converged with the tail end of the oil return pipe 5. In the embodiment, the air return main flow passage 4 adopts a longitudinal flow passage design, so that the system reduces the resistance of the flow passage to do work when sucking out gaseous working media.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but is intended to cover various modifications and changes, including but not limited to the details shown in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.
Claims (10)
1. The utility model provides a heat utilization system, includes compressor, condenser, liquid storage pot, throttle part, the evaporimeter that communicates in proper order through circulating line, be equipped with working medium and lubricating oil, its characterized in that in the circulating line: the liquid storage pot includes:
a can body;
a first working medium pipe;
a second working medium tube;
the first working medium pipe and the second working medium pipe extend into the tank body from bottom to top, the first working medium pipe and the second working medium pipe are sealed with the tank body, and oil return holes are formed in the side walls of the first working medium pipe and the second working medium pipe.
2. A heat utilization system according to claim 1, wherein: the first working medium pipe and the second working medium pipe are both vertically arranged; the first working medium pipe and the second working medium pipe are equal in height; the first working medium pipe and the second working medium pipe are the same.
3. A heat utilization system according to claim 1, wherein: working medium enters the tank body from the first working medium pipe and flows out of the tank body from the second working medium pipe, or working medium enters the tank body from the second working medium pipe and flows out of the tank body from the first working medium pipe.
4. A heat utilization system according to claim 1, wherein: the oil return hole is arranged close to the bottom of the tank body; the oil return holes are uniformly distributed in the circumferential direction.
5. A heat utilization system according to claim 1, wherein: the height of the first working fluid tube in the tank body is 1/4 to 1/2 of the tank body interior height; the distance between the first working fluid pipe and the second working fluid pipe is 1/4 to 3/4 of the inner diameter of the tank body.
6. A heat utilization system according to claim 1, wherein: the evaporator comprises a heat collecting plate, the heat collecting plate comprises a panel body, the panel body comprises a working medium flow passage, a working medium inlet, a working medium outlet and an oil return pipe, the working medium inlet, the working medium outlet and the oil return pipe are respectively connected with the working medium flow passage, the working medium flow passage is criss-cross and forms an evaporation area, the working medium inlet and the working medium outlet are respectively located on two sides of the top of the evaporation area, and the oil return pipe is located at the bottom of the evaporation area.
7. A heat utilization system according to claim 6, wherein: and a liquid inlet shunting area for shunting liquid inlet is further arranged between the working medium inlet and the evaporation area, and the liquid inlet shunting area is formed by latticed working medium flow channels.
8. A heat utilization system according to claim 6, wherein: and a gaseous communication area used for guiding gaseous working media to the working medium outlet is arranged between the working medium outlet and the evaporation area, the gaseous communication area is formed by latticed working medium flow channels, and the gaseous communication area penetrates through the evaporation area from top to bottom.
9. The heat utilization system of claim 6, wherein the evaporation zone is provided with a flow extending portion for horizontally conveying the liquid working medium, the flow extending portion is located below the working medium inlet and extends from the working medium inlet to the working medium outlet to form a flow extending region.
10. The heat utilization system of claim 9, wherein the plurality of extension flow regions are arranged from top to bottom, and a flow equalizing portion for facilitating uniform diffusion of the liquid working medium is arranged between two adjacent extension flow regions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088664.8A CN112880234A (en) | 2021-01-22 | 2021-01-22 | Heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088664.8A CN112880234A (en) | 2021-01-22 | 2021-01-22 | Heat utilization system |
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|---|---|
| CN112880234A true CN112880234A (en) | 2021-06-01 |
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| CN202110088664.8A Pending CN112880234A (en) | 2021-01-22 | 2021-01-22 | Heat utilization system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389702A (en) * | 2002-07-02 | 2003-01-08 | 西安交通大学 | Heat exchanger flow circuit arranging method and device |
| CN2886491Y (en) * | 2006-03-16 | 2007-04-04 | 山东北辰集团华润换热设备有限公司 | Heat exchange plate of plate type heat exchanger |
| CN201852382U (en) * | 2010-11-16 | 2011-06-01 | Tcl空调器(中山)有限公司 | Liquid receiver structure for air conditioner |
| CN111219890A (en) * | 2020-03-10 | 2020-06-02 | 浙江柿子新能源科技有限公司 | Heat-collecting plate with liquid storage area |
| CN111219891A (en) * | 2020-03-10 | 2020-06-02 | 浙江柿子新能源科技有限公司 | Heat collecting plate with high energy efficiency ratio and stable work |
-
2021
- 2021-01-22 CN CN202110088664.8A patent/CN112880234A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389702A (en) * | 2002-07-02 | 2003-01-08 | 西安交通大学 | Heat exchanger flow circuit arranging method and device |
| CN2886491Y (en) * | 2006-03-16 | 2007-04-04 | 山东北辰集团华润换热设备有限公司 | Heat exchange plate of plate type heat exchanger |
| CN201852382U (en) * | 2010-11-16 | 2011-06-01 | Tcl空调器(中山)有限公司 | Liquid receiver structure for air conditioner |
| CN111219890A (en) * | 2020-03-10 | 2020-06-02 | 浙江柿子新能源科技有限公司 | Heat-collecting plate with liquid storage area |
| CN111219891A (en) * | 2020-03-10 | 2020-06-02 | 浙江柿子新能源科技有限公司 | Heat collecting plate with high energy efficiency ratio and stable work |
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| Title |
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| 陆亚俊: "《空调工程中的制冷技术》", 31 August 2001, 哈尔滨工程大学出版社 * |
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Application publication date: 20210601 |