CN113154724A - Falling film evaporator - Google Patents
Falling film evaporator Download PDFInfo
- Publication number
- CN113154724A CN113154724A CN202110392895.8A CN202110392895A CN113154724A CN 113154724 A CN113154724 A CN 113154724A CN 202110392895 A CN202110392895 A CN 202110392895A CN 113154724 A CN113154724 A CN 113154724A
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- heat exchange
- gas
- liquid separation
- liquid
- separation box
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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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a falling film evaporator which comprises an evaporator box body, an inner heat exchange tube and a gas-liquid separation box, wherein the evaporator box body is provided with a plurality of heat exchange tubes; a heat exchange tube group formed by a plurality of inner heat exchange tubes is arranged in the evaporator box body; the gas-liquid separation boxes are adjacently arranged on the upper sides of the heat exchange tube sets; the upper cover plate of the gas-liquid separation box is provided with an exhaust hole and a refrigerant inlet pipe, and the refrigerant inlet pipe is used for the inflow of refrigerants; the exhaust hole is used for exhausting gaseous refrigerants in the gas-liquid separation box; a bottom plate of the gas-liquid separation box is provided with a plurality of openings; and the refrigerant in the gas-liquid separation box flows to the heat exchange tube set through the opening hole to perform evaporation heat exchange. In the invention, the inner heat exchange tubes are staggered in the vertical direction, so that the utilization of the dropped refrigerant is maximized, and the liquid baffle can block the refrigerant splashed on the outer wall surface of the inner heat exchange tubes, and the refrigerant is gradually accumulated to drop on the inner heat exchange tubes at the lower parts of the liquid baffle, thereby realizing the efficient and uniform utilization of the refrigerant in the system.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a falling film evaporator for optimizing refrigerant distribution and internal heat exchange tubes.
Background
With the development of society, the consumption of resources and energy sources is increased sharply, the resource and energy source saving becomes a long-term strategy which is not neglected by the nation, the building industry is the first time, the falling film evaporator is used as an efficient and energy-saving evaporation device, the entrainment of secondary gas foam is extremely less, the quality of secondary gas condensate water is high, and the falling film evaporator is applied to multiple points in the market.
However, the existing falling film evaporator has the following problems: the operation performance of the heat exchanger mainly depends on the performance of the liquid distributor, the refrigerant on the heat exchange tubes is not uniformly distributed easily, even no refrigerant drips on part of the heat exchange tubes, the overall heat exchange efficiency of the heat exchanger is influenced, and the expected energy-saving effect cannot be achieved. In addition, the gas-liquid mixed refrigerant affects the stability and safety of the whole system. Therefore, it is an urgent task to improve the refrigerant distribution, improve the heat exchange efficiency, and improve the gas-liquid separation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a falling film evaporator for changing the heat exchange efficiency of refrigerant distribution and internal heat exchange tubes, so as to solve the potential problems of reduced heat exchange efficiency and gas-liquid separation caused by uneven refrigerant distribution.
The falling film evaporator provided by the invention comprises an evaporator box body, an inner heat exchange tube and a gas-liquid separation box;
a heat exchange tube group formed by a plurality of inner heat exchange tubes is arranged in the evaporator box body; the gas-liquid separation boxes are adjacently arranged on the upper sides of the heat exchange tube sets;
the upper cover plate of the gas-liquid separation box is provided with an exhaust hole and a refrigerant inlet pipe, and the refrigerant inlet pipe is used for the inflow of refrigerants; the exhaust hole is used for exhausting gaseous refrigerants in the gas-liquid separation box;
a bottom plate of the gas-liquid separation box is provided with a plurality of openings; and the refrigerant in the gas-liquid separation box flows to the heat exchange tube set through the opening hole to perform evaporation heat exchange.
Preferably, the evaporator tank is provided with an air outlet pipe penetrating through the wall surface, and the air outlet pipe is arranged on the upper side of the exhaust hole and used for discharging the gaseous refrigerant out of the tank.
Preferably, the gas-liquid separation box is provided with a distribution plate; the bottom plate of the distribution plate is arranged on the upper side of the bottom plate of the gas-liquid separation box, and the convex surface of the distribution plate is the upper surface of the distribution plate.
Preferably, liquid storage structures are arranged on two sides of a bottom plate of the gas-liquid separation box, and a top plate of each liquid storage structure is provided with a through hole so that liquid refrigerants can flow in conveniently.
Preferably, liquid blocking plates are arranged on two sides of the heat exchange tube set, and the upper ends of the liquid blocking plates are connected with the liquid storage structure.
Preferably, a plurality of salient points and porous film layers are arranged on the outer wall surface of the inner heat exchange tube.
Preferably, the liquid storage structure comprises a top plate and a bottom plate which are parallel to each other; a plurality of baffles which are arranged in sequence are arranged between the top plate and the bottom plate, and a gap is formed between the bottom plate and the liquid baffle.
Preferably, the lower end of the liquid baffle is provided with a hook facing the inner heat exchange tube
Preferably, the inner heat exchange tubes are staggered in the vertical direction.
Preferably, the cross section of the gas-liquid separation box is pentagonal; the convex extended edge of the distribution plate is oval, and the overall shape of the distribution plate is conical.
Compared with the prior art, the invention has the following beneficial effects:
1. the upper cover plate of the gas-liquid separation box is provided with exhaust holes and a refrigerant inlet pipe, the distribution plate bottom plate is distributed on the upper side of the gas-liquid separation box bottom plate, the surface of the gas-liquid separation box bottom plate is uniformly provided with a plurality of open holes, wherein the porous film layer smoothly and continuously covers the outer wall surface of the inner heat exchange tube, and the outer wall surface of the inner heat exchange tube is provided with a plurality of small salient points which are slightly larger than the surface area of the common inner heat exchange tube and are more favorable for heat exchange;
2. the liquid baffle plate and the liquid storage structure are arranged below the gas-liquid separation box, refrigerant can be uniformly diffused by the distributing plate through the refrigerant inlet pipe and can drop on the bottom plate of the gas-liquid separation box, liquid drops on the inner heat exchange pipe through the bottom plate due to the fact that the refrigerant is a gas-liquid mixture, gas is discharged through the exhaust holes in the gas-liquid separation box, the dropped refrigerant is utilized to the maximum due to the fact that the inner heat exchange pipes are arranged in a staggered mode in the vertical direction, the liquid baffle plate can block the refrigerant splashed on the outer wall surface of the inner heat exchange pipe, the refrigerant is gradually accumulated on the lower portion of the liquid baffle plate and drops on the inner heat exchange pipe, and the refrigerant is efficiently and uniformly utilized in the system.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a side view of the internal structure of a falling film evaporator according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of a falling film evaporator according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a distribution plate according to an embodiment of the present invention;
FIG. 4 is a top view of a distribution plate according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a liquid storage structure in an embodiment of the invention.
In the figure: 1 is an air outlet pipe; 2 is a convex surface of the distribution plate; 3 is a distribution plate bottom plate; 4 is a refrigerant inlet pipe; 5 is an upper cover plate of the gas-liquid separation box; 6 is a liquid storage structure; 7 is an evaporator box body; 8 is an inner heat exchange tube; 9 is a liquid baffle plate; 10 is a gas-liquid separation box bottom plate; 11 is an exhaust hole; 12 is a porous film layer; 41 is a baffle plate; 42 is a top plate; and 43 is a bottom plate.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Fig. 1 is a side view of an internal structure of a falling film evaporator in an embodiment of the present invention, and fig. 2 is a schematic view of an internal structure of a falling film evaporator in an embodiment of the present invention, as shown in fig. 1 and fig. 2, the falling film evaporator provided by the present invention includes an evaporator tank, an inner heat exchange tube, and a gas-liquid separation box;
a plurality of heat exchange tube groups formed by inner heat exchange tubes are arranged in the evaporator box body 7; the gas-liquid separation boxes are adjacently arranged on the upper sides of the heat exchange tube sets;
the upper cover plate 5 of the gas-liquid separation box is provided with an exhaust hole 11 and a refrigerant inlet pipe 4, and the refrigerant inlet pipe 4 is used for the inflow of refrigerants; the exhaust hole 11 is used for exhausting gaseous refrigerants in the gas-liquid separation box;
a bottom plate 10 of the gas-liquid separation box is provided with a plurality of openings; and the refrigerant in the gas-liquid separation box flows to the heat exchange tube set through the opening hole to perform evaporation heat exchange.
In the embodiment of the invention, the inner heat exchange tubes are staggered in the vertical direction. The evaporator box body is provided with an air outlet pipe 1 penetrating through the wall surface, and the air outlet pipe is arranged on the upper side of the exhaust hole 11 and used for exhausting the gaseous refrigerant out of the box body. The input end of the air outlet pipe 1 is connected with the upper end of the evaporator box body 7, and the output end of the air outlet pipe 1 is inserted into the evaporator box body 7 from the upper end of the evaporator box body 7 and is arranged on the upper side of the exhaust hole 11.
The input end of the refrigerant inlet pipe 4 is correspondingly connected with the gas-liquid separation box 10, and the output end of the refrigerant inlet pipe 4 is inserted into the gas-liquid separation box from the upper cover plate 5 of the gas-liquid separation box. The output end of the refrigerant inlet pipe 4 is vertically arranged on the upper side of the convex surface 2 of the distribution plate, the convex surface 2 of the distribution plate is arranged on the upper surface of the distribution plate bottom plate 3, and the distribution plate bottom plate 3 is arranged on the upper side of the gas-liquid separation box bottom plate 10. The material of the refrigerant inlet pipe 4 can be beryllium copper. The material of the inner heat exchange tube 8 can be beryllium bronze.
Fig. 3 is a schematic structural view of a distribution plate in an embodiment of the present invention, fig. 4 is a plan view of the distribution plate in the embodiment of the present invention, and as shown in fig. 3 and 4, the gas-liquid separation box is provided with the distribution plate; the bottom plate 3 of the distribution plate is arranged on the upper side of the bottom plate 10 of the gas-liquid separation box, and the convex surface 2 of the distribution plate is the upper surface of the distribution plate.
A plurality of openings are uniformly formed in a bottom plate 10 of the gas-liquid separation box and are arranged on the upper side of the inner heat exchange tube 8.
In the embodiment of the invention, liquid storage structures 6 are arranged on two sides of a bottom plate 10 of the gas-liquid separation box, and a top plate 42 of the liquid storage structure 6 is provided with a through hole. The plurality of inner heat exchange tubes 8 are uniformly arranged at the lower side of the gas-liquid separation box 10 in the horizontal direction and are staggered in the vertical direction.
Liquid blocking plates are arranged on two sides of the heat exchange tube set, and the upper ends of the liquid blocking plates are connected with the liquid storage structure 6
The outer wall surface of the inner heat exchange tube 8 is provided with a plurality of salient points and a porous film layer 12
FIG. 5 is a schematic view of a liquid storage structure in an embodiment of the invention, and as shown in FIG. 5, the liquid storage structure 6 includes a top plate 42 and a bottom plate 43 parallel to each other; a plurality of baffles are arranged between the top plate 42 and the bottom plate 43 in sequence, and the baffles are arranged in parallel in sequence in the horizontal direction.
A gap exists between the bottom plate 43 and the liquid baffle 9.
The lower end of the liquid baffle is provided with a hook, and the hook faces the inner heat exchange tube. The liquid baffle plates 9 are two and are arranged on the lower side of the liquid storage structure 6, the liquid baffle plates 9 are in a long strip shape in the horizontal direction, the vertical width of the liquid baffle plates is larger than the diameter of a single inner heat exchange tube 8, and the liquid baffle plates 9 can sufficiently block the refrigerant which is prevented from being sputtered out of the inner heat exchange tube 8. The upper end of the inner heat exchange tube is connected with the liquid storage structure 6, and the lower end of the inner heat exchange tube is provided with a small section of hook facing to the inner heat exchange tube side.
When the falling film evaporator in the embodiment of the invention is used, a refrigerant enters the convex surface 2 of the distribution plate through the output end of the refrigerant inlet pipe 4, passes through the open pores of the bottom plate 3 of the distribution plate through the convex surface 2 of the distribution plate, the convex surface 2 of the distribution plate and the bottom plate 3 of the distribution plate are provided with a plurality of open pores, and are vertically arranged on the upper side of the bottom plate 10 of the gas-liquid separation box,
in the refrigerant entered into gas-liquid separation box 10 from a plurality of trompils of distributing plate bottom plate 3, because the refrigerant is mostly the gas-liquid mixture, gaseous refrigerant can be discharged gradually through exhaust hole 11 on gas-liquid separation box upper cover plate 5 to in entering into evaporator box 7 through exhaust hole 11, gaseous refrigerant can be discharged through outlet duct 1, the liquid storage structure 6 is then entered into through outlet duct 1 discharge to the still unseparated gas-liquid mixture refrigerant of another part. The refrigerant and the inner heat exchange tube 8 are subjected to heat exchange evaporation, and evaporated gaseous refrigerant can enter the input end of the air outlet tube 1 through a gap between the liquid storage structure 6 and the liquid baffle plate 9 and then enter the compressor of the air conditioner from the output end of the air outlet tube 1 to be further compressed.
In the gas-liquid mixture refrigerant that still does not separate can enter into stock solution structure 6 through the through-hole on the roof 42, the liquid refrigerant in the mixture can be stored in storing structure 6, has certain gap between bottom plate 43 and the fender liquid board 9, and the liquid refrigerant of being convenient for store is along keeping off the inboard drippage of liquid board 9 on the outer wall surface of heat exchange tube 8 including. The surface of the bottom plate 43 is provided with a plurality of uniformly distributed open pores, which is beneficial for gaseous refrigerant after heat exchange and evaporation of the refrigerant and the inner heat exchange tube 8 to enter a circulating pipeline of the air conditioner through the bottom plate 43. The gas-liquid separation box bottom plate 10 is uniformly provided with a plurality of openings, and liquid refrigerants output from the distribution plate convex surfaces 2 and the distribution plate bottom plate 3 flow into the outer wall surface of the inner heat exchange tube 8 through the openings in the gas-liquid separation box bottom plate 10 so as to exchange heat.
The plurality of inner heat exchange tubes 8 are arranged in a staggered mode in the vertical direction, the surfaces of the inner heat exchange tubes are provided with porous film layers 12, redundant liquid refrigerants can flow downwards under the action of gravity and drop on the porous film layers 12 of the inner heat exchange tubes 8 on the next layer, the utilization of the dropped refrigerants is maximized, the liquid baffle plate 9 can block the refrigerants splashed on the outer wall surface of the inner heat exchange tubes 8, the refrigerants are gradually accumulated to drop on the inner heat exchange tubes 8 at the lower parts of the liquid baffle plate 9, and efficient and uniform utilization of the refrigerants in the system is achieved.
In the embodiment of the invention, the upper cover plate of the gas-liquid separation box is provided with the exhaust holes and the refrigerant inlet pipe, the distribution plate bottom plate is distributed on the upper side of the gas-liquid separation box bottom plate, the surface of the gas-liquid separation box bottom plate is uniformly provided with a plurality of openings, wherein the porous film layer smoothly and continuously covers the outer wall surface of the inner heat exchange tube, and the outer wall surface of the inner heat exchange tube is provided with a plurality of small salient points, so that the surface area is slightly larger than that of the common inner heat exchange tube, and the heat exchange is more facilitated; the liquid blocking plate and the liquid storage structure are further arranged below the gas-liquid separation box, refrigerants can be uniformly diffused by the distributing plate through the refrigerant inlet pipe and can drip on a bottom plate of the gas-liquid separation box, liquid drips on the inner heat exchange pipe through the bottom plate due to the fact that the refrigerants are gas-liquid mixtures, gas is discharged through exhaust holes in the gas-liquid separation box, the inner heat exchange pipes are arranged in a staggered mode in the vertical direction, utilization of the dripped refrigerants is maximized, the liquid blocking plate can block the refrigerants sputtered on the outer wall surface of the inner heat exchange pipe, the refrigerants are gradually accumulated on the lower portion of the liquid blocking plate and drip on the inner heat exchange pipe, and efficient and uniform utilization of the refrigerants in the system is achieved.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A falling film evaporator is characterized by comprising an evaporator box body, an inner heat exchange tube and a gas-liquid separation box;
a heat exchange tube group formed by a plurality of inner heat exchange tubes is arranged in the evaporator box body; the gas-liquid separation boxes are adjacently arranged on the upper sides of the heat exchange tube sets;
the upper cover plate of the gas-liquid separation box is provided with an exhaust hole and a refrigerant inlet pipe, and the refrigerant inlet pipe is used for the inflow of refrigerants; the exhaust hole is used for exhausting gaseous refrigerants in the gas-liquid separation box;
a bottom plate of the gas-liquid separation box is provided with a plurality of openings; and the refrigerant in the gas-liquid separation box flows to the heat exchange tube set through the opening hole to perform evaporation heat exchange.
2. The falling film evaporator according to claim 1, wherein the evaporator tank is provided with an outlet pipe penetrating the wall surface, the outlet pipe being provided at an upper side of the exhaust hole for discharging the gaseous refrigerant out of the tank.
3. The falling film evaporator according to claim 1, wherein the vapor-liquid separation box is provided with a distribution plate; the bottom plate of the distribution plate is arranged on the upper side of the bottom plate of the gas-liquid separation box, and the convex surface of the distribution plate is the upper surface of the distribution plate.
4. The falling film evaporator according to claim 1, wherein liquid storage structures are arranged on two sides of a bottom plate of the gas-liquid separation box, and through holes are arranged on a top plate of the liquid storage structures so as to facilitate liquid refrigerant to flow in.
5. The falling film evaporator according to claim 4, wherein liquid baffles are arranged on both sides of the heat exchange tube set, and the upper ends of the liquid baffles are connected with the liquid storage structure.
6. The falling film evaporator of claim 1, wherein the outer wall surface of the inner heat exchange tubes has a plurality of raised points and a porous film layer.
7. The falling film evaporator according to claim 1, wherein the liquid storage structure comprises a top plate and a bottom plate parallel to each other; a plurality of baffles which are arranged in sequence are arranged between the top plate and the bottom plate, and a gap is formed between the bottom plate and the liquid baffle.
8. The falling film evaporator according to claim 5, wherein the lower end of the liquid baffle is provided with a hook facing the inner heat exchange tube.
9. The falling film evaporator according to claim 1, wherein the inner heat exchange tubes are staggered in a vertical direction.
10. The falling film evaporator according to claim 3, wherein the gas-liquid separation box is pentagonal in cross-section; the convex extended edge of the distribution plate is oval, and the overall shape of the distribution plate is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392895.8A CN113154724A (en) | 2021-04-13 | 2021-04-13 | Falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392895.8A CN113154724A (en) | 2021-04-13 | 2021-04-13 | Falling film evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN113154724A true CN113154724A (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110392895.8A Pending CN113154724A (en) | 2021-04-13 | 2021-04-13 | Falling film evaporator |
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| Country | Link |
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| CN (1) | CN113154724A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468336A (en) * | 2022-09-07 | 2022-12-13 | 南通美吉乐制冷设备有限公司 | High-efficiency temperature-control water chilling unit turbulent flow single-system tube shell dry evaporator |
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| US20160084520A1 (en) * | 2013-05-08 | 2016-03-24 | Mitsubishi Electric Corporation | Indoor unit for air-conditioning apparatus, and air-conditioning apparatus |
| EP3537066A1 (en) * | 2016-11-02 | 2019-09-11 | Gree Electric Appliances, Inc. of Zhuhai | Vapour-liquid filter mesh, heat exchanger and air conditioner |
| CN111397256A (en) * | 2020-04-08 | 2020-07-10 | 南京天加环境科技有限公司 | Refrigerant distribution structure of falling film evaporator |
| CN211345943U (en) * | 2019-12-10 | 2020-08-25 | 珠海格力电器股份有限公司 | Liquid distributor, falling film heat exchanger and air conditioner |
| CN212205161U (en) * | 2020-04-08 | 2020-12-22 | 南京天加环境科技有限公司 | Refrigerant distribution structure of falling film evaporator |
| CN112212545A (en) * | 2020-10-23 | 2021-01-12 | 珠海格力电器股份有限公司 | Liquid homogenizing device, liquid distributing device, falling film heat exchanger and air conditioning unit |
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2021
- 2021-04-13 CN CN202110392895.8A patent/CN113154724A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160084520A1 (en) * | 2013-05-08 | 2016-03-24 | Mitsubishi Electric Corporation | Indoor unit for air-conditioning apparatus, and air-conditioning apparatus |
| EP3537066A1 (en) * | 2016-11-02 | 2019-09-11 | Gree Electric Appliances, Inc. of Zhuhai | Vapour-liquid filter mesh, heat exchanger and air conditioner |
| CN211345943U (en) * | 2019-12-10 | 2020-08-25 | 珠海格力电器股份有限公司 | Liquid distributor, falling film heat exchanger and air conditioner |
| CN111397256A (en) * | 2020-04-08 | 2020-07-10 | 南京天加环境科技有限公司 | Refrigerant distribution structure of falling film evaporator |
| CN212205161U (en) * | 2020-04-08 | 2020-12-22 | 南京天加环境科技有限公司 | Refrigerant distribution structure of falling film evaporator |
| CN112212545A (en) * | 2020-10-23 | 2021-01-12 | 珠海格力电器股份有限公司 | Liquid homogenizing device, liquid distributing device, falling film heat exchanger and air conditioning unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468336A (en) * | 2022-09-07 | 2022-12-13 | 南通美吉乐制冷设备有限公司 | High-efficiency temperature-control water chilling unit turbulent flow single-system tube shell dry evaporator |
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Application publication date: 20210723 |