CN207299621U - A kind of liquid distributor and falling film evaporator - Google Patents
A kind of liquid distributor and falling film evaporator Download PDFInfo
- Publication number
- CN207299621U CN207299621U CN201721146102.XU CN201721146102U CN207299621U CN 207299621 U CN207299621 U CN 207299621U CN 201721146102 U CN201721146102 U CN 201721146102U CN 207299621 U CN207299621 U CN 207299621U
- Authority
- CN
- China
- Prior art keywords
- liquid
- distribution plate
- buffering
- liquid distribution
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
It the utility model is related to a kind of liquid distributor and falling film evaporator, it is characterised in that：Including the upper cover plate equipped with inlet tube, inlet tube bottom part is set through upper cover plate, the inlet tube bottom is equipped between the buffering communicated therewith, top is equipped between liquid collecting between the buffering, inside bottom between liquid collecting hole and buffering by connecting between liquid collecting, outside side wall is equipped with fluid hole between buffering, lower part is equipped with primary liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate successively between the buffering, liquid distributing hole is equipped with primary liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate, screen layer is additionally provided between intermediate liquid distribution plate and terminal liquid distribution plate；The structure design of the utility model is reasonable, can be evenly distributed by refrigerant liquid, ensure that each evaporation tube can all participate in conducting heat, prevent the generation of heat exchanger tube " main pipe " phenomenon, the heat transfer coefficient of falling film evaporator is substantially increased, while also improves the Energy Efficiency Ratio of refrigeration unit.
Description
Technical field
It the utility model is related to central air conditioning technical group field, more particularly to a kind of liquid distributor and falling film evaporator.
Background technology
Evaporator is one of main equipment in refrigeration system, mainly there is flooded evaporator, dry evaporator and falling liquid film
Because heat transfer coefficient is high, the advantages such as refrigerant charge is low extensively should for formula evaporator three types, wherein downward film evaporator
With.Liquid distributor is the core component in downward film evaporator, its uniform cloth liquid energy power directly affects the bulking property of falling film evaporator
Energy.
Design at present to falling film evaporator liquid distributor is of all kinds, and since its working mechanism is complicated, refrigerant distributes not
Uniformly, it is impossible to ensure that every evaporation tube can participate in exchanging heat completely, be easy to cause the generation of part " main pipe " phenomenon so that refrigeration
The Energy Efficiency Ratio of unit is relatively low.
The content of the invention
In order to solve deficiency of the prior art, the purpose of this utility model is to provide a kind of liquid distributor and falling film evaporation
Device, by optimizing the structure of existing liquid distributor, reaches the evenly distributed effect of refrigerant.
Technical solution is used by the utility model solves its technical problem：
A kind of liquid distributor, it is characterised in that：Including the upper cover plate equipped with inlet tube, inlet tube bottom part passes through upper cover plate
Set, the inlet tube bottom is equipped between the buffering communicated therewith, and top is equipped between liquid collecting between the buffering, inner side bottom between liquid collecting
Portion between liquid collecting hole and buffering by connecting, and outside side wall is equipped with fluid hole between buffering, and lower part is equipped with just successively between the buffering
Level liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate, are equipped with cloth liquid on primary liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate
Hole, screen layer is additionally provided between intermediate liquid distribution plate and terminal liquid distribution plate.
The liquid distributing hole is round hole or elongate aperture.
Liquid distributing hole on the primary liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate is dislocatedly distributed.
Spacing between the upper cover plate and terminal liquid distribution plate of the liquid distributor is 80-150mm.
It is internal between the liquid collecting to be additionally provided with buffer board, between liquid collecting hole and fluid hole of the buffer board positioned at liquid collecting between, buffer
Plate genesis analysis, top surface connects between its top and liquid collecting, is equipped with passage gaps between its bottom and liquid collecting between bottom surface.
The screen layer is made of at least two layers of stainless steel mesh.
The liquid bath with setting of outwards arching upward is additionally provided with the inner wall bottom surface of the terminal liquid distribution plate, liquid bath bottom is equipped with institute
Liquid distributing hole is stated, liquid distributing hole is uniformly distributed along liquid bath length direction；The liquid bath depth is between 3-10mm.
The liquid bath is distributed along terminal liquid distribution plate length direction, liquid bath length and heat exchanger tube tube bank length match and both it
Between be correspondingly arranged on longitudinal direction, and the spacing of adjacent liquid bath is matched with heat exchanger tube tube bank.
Outer wall is made of lower distribution plate between the buffering, and outer wall is made of upper distribution plate between liquid collecting, lower distribution plate, upper distribution
Plate, upper cover plate, buffer board, primary liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate pass through sheet metal worker by 1-5mm sheet metals
Skill machine-shaping.
A kind of falling film evaporator, it includes the liquid distributor that any technical solution of the utility model is provided.
In conclusion the beneficial effects of the utility model are：It is reasonable in design, refrigerant liquid can be distributed equal
It is even, ensure that each evaporation tube can all participate in conducting heat, prevent the generation of heat exchanger tube " main pipe " phenomenon, substantially increase falling liquid film
The heat transfer coefficient of evaporator, while also improve the Energy Efficiency Ratio of refrigeration unit.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the partial enlargement structural representation of A in Fig. 1.
Fig. 3 is the structure diagram of terminal liquid distribution plate.
Fig. 4 is the partial enlargement structural representation of B in Fig. 3.
Fig. 5 is the dimensional structure diagram of terminal liquid distribution plate.
Fig. 6 is the partial enlargement structural representation of C in Fig. 5.
In figure, 1- inlet tubes, 2- buffer boards, 3- upper cover plates, the upper distribution plates of 4-, 5- lower distribution plates, 6- primary liquid distribution plates, 7-
Intermediate liquid distribution plate, 8- screen layers, 9- terminal liquid distribution plates, between 10- is buffered, between 11- liquid collectings, 12- liquid baths 12.
Embodiment
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
As shown in Figures 1 to 6：A kind of liquid distributor, including the upper cover plate 3 equipped with inlet tube 1,1 bottom part of inlet tube are worn
Upper cover plate 3 to be crossed to set, raise up setting in the middle part of upper cover plate 3, and 1 bottom of inlet tube is equipped with 10 between the buffering communicated therewith,
10 outer walls are made of lower distribution plate 5 between buffering, and 10 tops are equipped with 11 between liquid collecting between the buffering, and 11 outer walls are by upper distribution between liquid collecting
Plate 4 is formed, and 11 inside bottoms are connected by between liquid collecting hole and buffering 10 between liquid collecting, and 10 outside side walls are equipped with out liquid between buffering
Hole, refrigerant from inlet tube 1 enter buffering between 10, enter back into 11 between liquid collecting, then between liquid collecting 11 fluid hole uniform flow
Go out, realize the primary treatment of refrigerant；
Be additionally provided with buffer board 2 inside 11 between the liquid collecting, buffer board 2 between liquid collecting 11 liquid collecting hole and fluid hole it
Between, 2 genesis analysis of buffer board, 11 top surfaces connect between its top and liquid collecting, are equipped with circulation between its bottom and liquid collecting between 11 bottom surfaces
Gap, make between liquid collecting 11 refrigerant need to from buffer board 2 through circulation, 11 between liquid collecting in form reciprocating circulation path, carry
High refrigerant buffering effect；
Wherein upper distribution plate 4 and 2 top of buffer board are connected fixation, lower distribution plate 5 and upper distribution plate 4 with upper cover plate 3 respectively
Connection is fixed.
10 lower parts are equipped with primary liquid distribution plate 6, intermediate liquid distribution plate 7 and terminal liquid distribution plate 9, primary cloth liquid successively between the buffering
Liquid distributing hole is equipped with plate 6, intermediate liquid distribution plate 7 and terminal liquid distribution plate 9, and the liquid distributing hole on different liquid distribution plates is dislocatedly distributed, in
Screen layer is additionally provided between level liquid distribution plate 7 and terminal liquid distribution plate 9, screen layer is made of 3-5 layers of stainless steel mesh；
The primary liquid distribution plate 6, intermediate liquid distribution plate 7 and terminal liquid distribution plate 9 are the U-shaped structure of opening up setting, just
Turnover panel is equipped with the outside of the end of level liquid distribution plate 6, intermediate liquid distribution plate 7 and terminal liquid distribution plate 9 and is connected fixation with upper cover plate 3.
Spacing between the upper cover plate 3 and terminal liquid distribution plate 9 of the liquid distributor is 80-150mm, effectively controls liquid distributor
Volume, easy to be assembled in falling film evaporator.
The liquid bath 12 with setting of outwards arching upward, 12 depth of liquid bath are additionally provided with the inner wall bottom surface of the terminal liquid distribution plate 9
Between 3-10mm, 12 bottom of liquid bath is equipped with the liquid distributing hole, and liquid distributing hole is uniformly distributed along 12 length direction of liquid bath, the liquid bath
12 are distributed along 9 length direction of terminal liquid distribution plate, and 12 length of liquid bath and heat exchanger tube tube bank length match and between the two longitudinally Shang pair
It should set, and the spacing of adjacent liquid bath 12 is matched with heat exchanger tube tube bank.
Special-shaped liquid distributing hole structure is combined into by liquid bath 12 and liquid distributing hole, can prevent from falling when refrigerant liquid from flowing out
Hook slides, it is ensured that the liquid refrigerant flow down is uniformly dropped on heat exchanger tube, and makes the whole length direction of heat exchanger tube uniform
Wetting, participates in heat exchange comprehensively.
The lower distribution plate 5, upper distribution plate 4, upper cover plate 3, buffer board 2, primary liquid distribution plate 6, intermediate liquid distribution plate 7 and terminal
Liquid distribution plate 9 passes through sheet metal process machine-shaping by 1-5mm sheet metals.
The course of work of this liquid distributor is：Refrigerant liquid from inlet tube 1 enter liquid distributor buffering between 10, by between buffering
10 uniformly enter 11 between liquid collecting by the liquid collecting hole of 11 bottom plates between liquid collecting, when between liquid collecting 11 refrigerant liquid level reaches two
On side panel during fluid hole, refrigerant liquid uniformly flow to primary liquid distribution plate 6, carries out primary distribution, then by intermediate liquid distribution plate 7
And after screen layer 8 further distributes, the liquid bath 12 on incoming terminal liquid distribution plate 9, finally flows through the liquid distributing hole in liquid bath 12, uniformly
Drop onto on heat exchanger tube, form liquid film and carry out heat exchange with the refrigerating medium in heat exchanger tube.
A kind of falling film evaporator, including above-mentioned liquid distributor, falling film evaporator have the technical characteristic of above-mentioned liquid distributor, so that
Improve the performance of falling film evaporator.
The foregoing is merely the preferred embodiments of the utility model, as long as realizing the utility model with essentially identical means
Purpose technical solution, belong within the scope of protection of the utility model.
Claims (10)
- A kind of 1. liquid distributor, it is characterised in that：Including the upper cover plate equipped with inlet tube, inlet tube bottom part is set through upper cover plate Put, the inlet tube bottom is equipped between the buffering communicated therewith, and top is equipped between liquid collecting between the buffering, inside bottom between liquid collecting By being connected between liquid collecting hole and buffering, outside side wall is equipped with fluid hole between buffering, and lower part is equipped with primary successively between the buffering Liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate, are equipped with cloth liquid on primary liquid distribution plate, intermediate liquid distribution plate and terminal liquid distribution plate Hole, screen layer is additionally provided between intermediate liquid distribution plate and terminal liquid distribution plate.
- A kind of 2. liquid distributor according to claim 1, it is characterised in that：The liquid distributing hole is round hole or elongate aperture.
- A kind of 3. liquid distributor according to claim 1, it is characterised in that：The primary liquid distribution plate, intermediate liquid distribution plate and end Liquid distributing hole on the liquid distribution plate of end is dislocatedly distributed.
- A kind of 4. liquid distributor according to claim 1, it is characterised in that：The upper cover plate of the liquid distributor and terminal cloth liquid Spacing between plate is 80-150mm.
- A kind of 5. liquid distributor according to claim 1, it is characterised in that：It is internal between the liquid collecting to be additionally provided with buffer board, delay Between liquid collecting hole and fluid hole of the punching between liquid collecting, buffer board genesis analysis, top surface connects between its top and liquid collecting, its bottom Between end and liquid collecting passage gaps are equipped between bottom surface.
- A kind of 6. liquid distributor according to claim 1, it is characterised in that：The screen layer is by least two layers of stainless steel mesh Composition.
- A kind of 7. liquid distributor according to claim 1, it is characterised in that：Also set on the inner wall bottom surface of the terminal liquid distribution plate There is the liquid bath with setting of outwards arching upward, liquid bath bottom is equipped with the liquid distributing hole, and liquid distributing hole is uniformly distributed along liquid bath length direction；The liquid bath depth is between 3-10mm.
- A kind of 8. liquid distributor according to claim 7, it is characterised in that：The liquid bath divides along terminal liquid distribution plate length direction Cloth, liquid bath length is matched with heat exchanger tube tube bank length and is correspondingly arranged between the two on longitudinal direction, and the spacing of adjacent liquid bath is with changing Heat pipe tube bank matching.
- A kind of 9. liquid distributor according to claim 1, it is characterised in that：Outer wall is made of lower distribution plate between the buffering, Outer wall is made of upper distribution plate between liquid collecting, lower distribution plate, upper distribution plate, upper cover plate, buffer board, primary liquid distribution plate, intermediate cloth liquid Plate and terminal liquid distribution plate pass through sheet metal process machine-shaping by 1-5mm sheet metals.
- A kind of 10. falling film evaporator, it is characterised in that：The falling film evaporator is included described in claim 1-9 any one Liquid distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146102.XU CN207299621U (en) | 2017-09-08 | 2017-09-08 | A kind of liquid distributor and falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146102.XU CN207299621U (en) | 2017-09-08 | 2017-09-08 | A kind of liquid distributor and falling film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207299621U true CN207299621U (en) | 2018-05-01 |
Family
ID=62446547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721146102.XU Active CN207299621U (en) | 2017-09-08 | 2017-09-08 | A kind of liquid distributor and falling film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207299621U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826765A (en) * | 2018-08-22 | 2018-11-16 | 珠海格力电器股份有限公司 | Liquid distributor, downward film evaporator and air-conditioning |
| CN108917232A (en) * | 2018-08-03 | 2018-11-30 | 珠海格力电器股份有限公司 | Liquid distributor, heat exchanger and air-conditioner set |
| CN112944747A (en) * | 2019-12-10 | 2021-06-11 | 珠海格力电器股份有限公司 | Liquid distributor, falling film type heat exchanger and air conditioner |
| CN112944745A (en) * | 2019-12-10 | 2021-06-11 | 珠海格力电器股份有限公司 | Liquid distributor, falling film type heat exchanger and air conditioner |
| CN113970198A (en) * | 2021-12-27 | 2022-01-25 | 顿汉布什(中国)工业有限公司 | Distributor for falling film evaporator of low-pressure refrigeration system |
-
2017
- 2017-09-08 CN CN201721146102.XU patent/CN207299621U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917232A (en) * | 2018-08-03 | 2018-11-30 | 珠海格力电器股份有限公司 | Liquid distributor, heat exchanger and air-conditioner set |
| WO2020024513A1 (en) * | 2018-08-03 | 2020-02-06 | 珠海格力电器股份有限公司 | Liquid arrangement device, heat exchanger and air conditioning unit |
| CN108826765A (en) * | 2018-08-22 | 2018-11-16 | 珠海格力电器股份有限公司 | Liquid distributor, downward film evaporator and air-conditioning |
| CN112944747A (en) * | 2019-12-10 | 2021-06-11 | 珠海格力电器股份有限公司 | Liquid distributor, falling film type heat exchanger and air conditioner |
| CN112944745A (en) * | 2019-12-10 | 2021-06-11 | 珠海格力电器股份有限公司 | Liquid distributor, falling film type heat exchanger and air conditioner |
| CN113970198A (en) * | 2021-12-27 | 2022-01-25 | 顿汉布什(中国)工业有限公司 | Distributor for falling film evaporator of low-pressure refrigeration system |
| CN113970198B (en) * | 2021-12-27 | 2022-03-18 | 顿汉布什(中国)工业有限公司 | Distributor for falling film evaporator of low-pressure refrigeration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207299621U (en) | A kind of liquid distributor and falling film evaporator | |
| CN103727707A (en) | Full-falling-film evaporator with double refrigerant distribution devices | |
| CN202792697U (en) | Parallel flow heat exchanger | |
| CN104457034B (en) | Parallel-flow heat exchanger and air conditioner | |
| CN201297808Y (en) | Flow equalization device for air conditioner refrigerant | |
| WO2021228101A1 (en) | Cascade evaporation-condensation heat exchanger | |
| WO2023082700A1 (en) | Heat exchanger and air conditioning unit | |
| CN202792702U (en) | Air conditioner and parallel flow heat exchanger thereof | |
| CN202993924U (en) | Microchannel heat exchanger | |
| CN104315893A (en) | Heat exchanger | |
| CN105783347B (en) | Downward film evaporator refrigerant distributor | |
| CN104214995A (en) | Immersed film type heat exchanger | |
| CN203758089U (en) | Micro-channel heat exchanger and air conditioner with micro-channel heat exchanger | |
| CN203642561U (en) | Parallel-flow heat exchanger with two rows of flat tubes and air-conditioner device provided with parallel-flow heat exchanger | |
| CN103697631A (en) | Parallel flow heat exchanger with double-row flat tubes and air-conditioning device with heat exchanger | |
| CN204100650U (en) | Parallel-flow heat exchanger and air-conditioner | |
| CN105466254A (en) | Heat exchanger | |
| CN203249442U (en) | Novel sleeve evaporative condenser | |
| CN204555744U (en) | Parallel-flow heat exchanger and air-conditioner | |
| CN204301560U (en) | A kind of heat-exchanging component, radiation air-conditioner heat exchanger plates and radiation air-conditioner | |
| CN201917264U (en) | Liquid distribution plate of full-liquid evaporator | |
| CN104406332A (en) | Parallel flow heat exchanger and air conditioner | |
| CN205279532U (en) | Microchannel heat exchanger and air conditioner | |
| CN204227760U (en) | Parallel-flow heat exchanger and air-conditioner | |
| CN201387251Y (en) | Evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |