CN203011014U - Dripping falling-film evaporator liquid separating and uniformly distributing device - Google Patents
Dripping falling-film evaporator liquid separating and uniformly distributing device Download PDFInfo
- Publication number
- CN203011014U CN203011014U CN 201220725858 CN201220725858U CN203011014U CN 203011014 U CN203011014 U CN 203011014U CN 201220725858 CN201220725858 CN 201220725858 CN 201220725858 U CN201220725858 U CN 201220725858U CN 203011014 U CN203011014 U CN 203011014U
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- Prior art keywords
- separatory
- uniform device
- liquid separating
- pore plate
- uniformly distributing
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- 239000011552 falling film Substances 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 46
- 239000011148 porous material Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 6
- 210000000664 rectum Anatomy 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a dripping falling-film evaporator liquid separating and uniformly distributing device. Existing refrigerant distributor technologies in forms of five-layer pore plate structures, capillary structures, packing structures and the like all have defects of complex structure, high processing and assembling difficulty, proneness to nonuniform liquid separation, and thereby lower heat transmission performance and lower energy efficiency. The technical scheme of a two-way secondary planar flow liquid separating and uniformly distributing device includes that the device is composed of a liquid separating and uniformly distributing machine and a liquid ingoing pipe connected with the machine, the liquid separating and uniformly distributing machine is a closed rectangular-section cavity formed by an upper rectangular shell and a lower planar secondary distributing pore plate, the length and the width of the liquid separating and uniformly distributing machine are adjusted according to different distribution of evaporating pipe bundles, a primary distributing pore plate with an inverted trapezoidal section is arranged on the upper portion in the liquid separating and uniformly distributing machine, and multiple groups of spray holes with same aperture are distributed on the plane of the primary distributing pore plate. The dripping falling-film evaporator liquid separating and uniformly distributing device is an energy-saving device compact in structure, convenient to manufacture and mount and low in processing cost.
Description
Technical field
The utility model relates to the evaporator in a kind of refrigeration plant, particularly relates to a kind of separatory even distribution device of trickle falling film type evaporator.
Background technology
Refrigeration air-conditioner is widely used in daily life.Cylindric trickle falling film type evaporator is the main energy-conservation parts in refrigeration system, it is comprised of cylinder, separatory even distribution device, steam-generating bank, support plate, two ends tube sheet, bobbin carriage, bearing and corresponding the adapter, and wherein whether the separatory in the separatory even distribution device is uniform will directly have influence on the performance of trickle falling film type evaporator and the utilization rate of steam-generating bank.
In the trickle falling film type evaporator process of refrigerastion, the separatory of prior art remains the defective aspect following at present: 1) because the separatory of gas-liquid refrigerant mixture in the separatory even distribution device in trickle falling film type evaporator is inhomogeneous, make the gas-liquid cold-producing medium insufficient through the gasification after heat exchange, cause heat transfer property to descend; 2) all there is complex structure in the refrigerant distributor technology of the forms such as existing five layers of AND DEWATERING FOR ORIFICE STRUCTURE, capillary pipe structure, material filling type structure, seal request is high, difficulty of processing is large, causes processing cost high, and is uneconomical, not energy-conservation.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, it is the purpose of this utility model place that a kind of simple for structure, compact, effective trickle falling film type evaporator separatory even distribution device is provided.Technical solutions of the utility model are that the separatory even distribution device by trickle falling film type evaporator cylinder internal upper part makes cold-producing medium effectively realize two-way two-level plane stream, separatory is more even, and along length and the width of steam-generating bank, drip equably vertically downward and drench at all evapn tube bank outer surface, flash to hot gaseous fully, effectively improved the utilization rate of evaporimeter heat transfer property and evaporation tube.the technical solution of the utility model is come specific implementation by following technical measures, a kind of trickle falling film type evaporator separatory even distribution device, it is characterized in that it is comprised of separatory uniform device 2 and the feed tube 1 that is associated, the cross section that the rectangle housing 201 that described separatory uniform device 2 is a top, the plane secondary distribution orifice plate 203 of bottom form sealing is rectangular cavity, the length of separatory uniform device 2 and width are adjusted according to the different distributions of steam-generating bank, place, top in separatory uniform device 2 is provided with the one-level distributing pore plate 202 of cross section band inverted trapezoidal, the external diameter of the width of inverted trapezoidal and feed tube 1 is suitable, the degree of depth is 15mm-25mm, one-level distributing pore plate 202 is 3mm-10mm with the spacing of separatory uniform device 2 inner tops, the spray-hole of distribution array same apertures on the plane of one-level distributing pore plate 202, these spray-holes aperture sum be feed tube 1 latus rectum 1.3-2.5 doubly, one-level distributing pore plate 202 is 18mm-35mm with the spacing of the secondary distribution orifice plate 203 of separatory uniform device inner bottom part, on the plane of secondary distribution orifice plate 203, dripping of distribution array same apertures drenched slotted hole, these drench slotted hole aperture sum be feed tube 1 latus rectum 60-100 doubly, the composition of separatory even distribution device is separatory uniform device 2 to be connected with feed tube 1 communicate, inverted trapezoidal center on one-level distributing pore plate 202 is aimed at feed tube 1, and weld and seal fixing with separatory uniform device 2 internal perisporiums, secondary distribution orifice plate 203 welds and seals fixing with separatory uniform device 2 periphery walls, make independently distribution cavity of two of the interior formation of separatory uniform device 2 top and the bottom, top is that the chamber is drenched for dripping in spray chamber, bottom.
the utility model trickle falling film type evaporator separatory even distribution device and using method are: the low-pressure gas-liquid refrigerant mixture is entered the spray chamber of separatory uniform device 2 internal upper parts by feed tube 1, making cold-producing medium make two-way quick plane by the inverted trapezoidal on one-level distributing pore plate 202 flows, separatory is more even, simultaneously cold-producing medium enters dripping of separatory uniform device 2 interior bottoms through spray-hole and drenches the chamber, cold-producing medium discharges all kinetic energy, cold-producing medium drenches the hole by dripping on secondary distribution orifice plate 203 planes and drips equably vertically downward and drench at the length of separatory even distribution device bottom and all evapn tube bank outer surface of width under Action of Gravity Field.
The beneficial effects of the utility model are that this trickle falling film type evaporator separatory even distribution device has adopted the two-way two-level plane stream of rectangular cold-producing medium distribution technology, makes the cold-producing medium separatory more even, has effectively improved trickle falling film type evaporator heat transfer property and efficiency.Having improved the efficiency of 18-23% than existing liquid distributing device, is a kind of compact conformation, and fabrication and installation are convenient, the energy saver that processing cost is low.
Description of drawings
The length direction cross-sectional view of Fig. 1, the utility model trickle falling film type evaporator separatory even distribution device.
The width cross-sectional view of Fig. 2, the utility model trickle falling film type evaporator separatory even distribution device.
The meaning that in accompanying drawing, each legend mark is expressed as follows respectively:
1----feed tube, 2----separatory uniform device, 201----rectangle housing, 202----one-level distributing pore plate, 203----secondary distribution orifice plate.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
the present embodiment is that a kind of refrigerating capacity that is applied in is 505kW, model is the trickle falling film type evaporator separatory even distribution device in EJM36F refrigeration air-conditioner process, it is comprised of separatory uniform device 2 and the feed tube 1 that is associated, and the cross section that the rectangle housing 201 that described separatory uniform device 2 is a top, the plane secondary distribution orifice plate 203 of bottom form sealing is rectangular cavity, the length of separatory uniform device 2 is that 3160mm, width are 380mm, place, top in separatory uniform device 2 is provided with the one-level distributing pore plate 202 of cross section band inverted trapezoidal, the width of inverted trapezoidal is 50mm, the degree of depth is 18mm, one-level distributing pore plate 202 is 5mm with the spacing of separatory uniform device 2 inner tops, the spray-hole of distribution array same apertures on the plane of one-level distributing pore plate 202, these spray-holes aperture sum is 2 times of feed tube 1 latus rectum, one-level distributing pore plate 202 is 28mm with the spacing of the secondary distribution orifice plate 203 of separatory uniform device 2 inner bottom parts, on the plane of secondary distribution orifice plate 203, dripping of distribution array same apertures drenched slotted hole, these drench slotted hole aperture sum is 70 times of feed tube 1 latus rectum, each parts that are associated install by the structure that accompanying drawing 1,2 provides, wherein: separatory uniform device 2 is that 1 connection of Ф 48mm feed tube communicates with external diameter, inverted trapezoidal center on one-level distributing pore plate 202 is aimed at feed tube 1, and weld and seal fixing with separatory uniform device 2 internal perisporiums, secondary distribution orifice plate 203 welds and seals fixing with separatory uniform device 2 periphery walls, make independently distribution cavity of two of the interior formation of separatory uniform device 2 top and the bottom, top is that the chamber is drenched for dripping in spray chamber, bottom.
The using method of the present embodiment is: the low-pressure gas-liquid refrigerant mixture is entered the spray chamber of separatory uniform device 2 internal upper parts by feed tube 1, making cold-producing medium make two-way quick plane by the inverted trapezoidal on one-level distributing pore plate 202 flows, separatory is more even, simultaneously cold-producing medium enters dripping of separatory uniform device 2 interior bottoms through spray-hole and drenches the chamber, cold-producing medium discharges all kinetic energy, and cold-producing medium drenches the hole by dripping on secondary distribution orifice plate 203 planes and drips equably vertically downward and drench at the length of separatory even distribution device bottom and all tube bank outer surfaces of width under Action of Gravity Field.
The present embodiment compact conformation, fabrication and installation are convenient, and processing cost is low, has improved the efficiency of 18-23% than existing liquid distributing device.
Claims (1)
1. trickle falling film type evaporator separatory even distribution device, it is characterized in that it is comprised of separatory uniform device (2) and the feed tube (1) that is associated, described separatory uniform device (2) is that the cross section that the plane secondary distribution orifice plate (203) of rectangle housing (201), the bottom on a top forms sealing is rectangular cavity, length and the width of separatory uniform device (2) are adjusted according to the different distributions of steam-generating bank, place, top in separatory uniform device (2) is provided with the one-level distributing pore plate (202) of cross section band inverted trapezoidal, the external diameter of the width of inverted trapezoidal and feed tube (1) is suitable, the degree of depth is 15mm-25mm, one-level distributing pore plate (202) is 3mm-10mm with the spacing of separatory uniform device (2) inner top, the spray-hole of distribution array same apertures on the plane of one-level distributing pore plate (202), these spray-holes aperture sum be feed tube (1) latus rectum 1.3-2.5 doubly, one-level distributing pore plate (202) is 18mm-35mm with the spacing of the secondary distribution orifice plate (203) of separatory uniform device inner bottom part, on the plane of secondary distribution orifice plate (203), dripping of distribution array same apertures drenched slotted hole, these drench slotted hole aperture sum be feed tube (1) latus rectum 60-100 doubly, the composition of separatory even distribution device is separatory uniform device (2) to be connected with feed tube (1) communicate, inverted trapezoidal center on one-level distributing pore plate (202) is aimed at feed tube (1), and weld and seal fixing with separatory uniform device (2) internal perisporium, secondary distribution orifice plate (203) welds and seals fixing with separatory uniform device (2) periphery wall, make to form independently distribution cavity of two of top and the bottom in separatory uniform device (2), top is that the chamber is drenched for dripping in spray chamber, bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725858 CN203011014U (en) | 2012-12-26 | 2012-12-26 | Dripping falling-film evaporator liquid separating and uniformly distributing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725858 CN203011014U (en) | 2012-12-26 | 2012-12-26 | Dripping falling-film evaporator liquid separating and uniformly distributing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011014U true CN203011014U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725858 Withdrawn - After Issue CN203011014U (en) | 2012-12-26 | 2012-12-26 | Dripping falling-film evaporator liquid separating and uniformly distributing device |
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| CN (1) | CN203011014U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017420A (en) * | 2012-12-26 | 2013-04-03 | 上海环球制冷设备有限公司 | Liquid-separating uniform-distributing device of trickling film-falling type evaporator and using method thereof |
| CN106568242A (en) * | 2016-11-02 | 2017-04-19 | 西安交通大学 | Liquid film distributor for multi-row horizontal pipe bundles |
| CN105783347B (en) * | 2014-12-16 | 2018-07-27 | 约克（无锡）空调冷冻设备有限公司 | Downward film evaporator refrigerant distributor |
| CN112050500A (en) * | 2020-09-25 | 2020-12-08 | 浙江国祥股份有限公司 | Dripping type evaporator |
| WO2025204161A1 (en) * | 2024-03-25 | 2025-10-02 | 三菱重工サーマルシステムズ株式会社 | Evaporator |
-
2012
- 2012-12-26 CN CN 201220725858 patent/CN203011014U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017420A (en) * | 2012-12-26 | 2013-04-03 | 上海环球制冷设备有限公司 | Liquid-separating uniform-distributing device of trickling film-falling type evaporator and using method thereof |
| CN103017420B (en) * | 2012-12-26 | 2015-08-05 | 上海环球制冷设备有限公司 | Trickle falling film type evaporator separatory even distribution device and using method |
| CN105783347B (en) * | 2014-12-16 | 2018-07-27 | 约克（无锡）空调冷冻设备有限公司 | Downward film evaporator refrigerant distributor |
| CN106568242A (en) * | 2016-11-02 | 2017-04-19 | 西安交通大学 | Liquid film distributor for multi-row horizontal pipe bundles |
| CN112050500A (en) * | 2020-09-25 | 2020-12-08 | 浙江国祥股份有限公司 | Dripping type evaporator |
| WO2025204161A1 (en) * | 2024-03-25 | 2025-10-02 | 三菱重工サーマルシステムズ株式会社 | Evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |