CN103017420B - Trickle falling film type evaporator separatory even distribution device and using method - Google Patents
Trickle falling film type evaporator separatory even distribution device and using method Download PDFInfo
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- CN103017420B CN103017420B CN201210571751.XA CN201210571751A CN103017420B CN 103017420 B CN103017420 B CN 103017420B CN 201210571751 A CN201210571751 A CN 201210571751A CN 103017420 B CN103017420 B CN 103017420B
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Abstract
The present invention relates to a kind of trickle falling film type evaporator separatory even distribution device and using method, 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, processing and assembly difficulty high, easily cause separatory uneven, cause heat transfer property to decline, efficiency reduces.Present invention employs the technical scheme of two-way two-level plane flow point liquid even distribution device, the cold-producing medium separatory uniform device be made up of rectangle housing, one-level distributing pore plate, secondary distribution orifice plate does the flowing of two-way quick plane, make cold-producing medium separatory evenly, effectively improve trickle falling film type evaporator heat transfer property and efficiency.Improve the efficiency of 15-20% 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
Technical field
The present invention relates to the evaporator in a kind of refrigeration plant, particularly relate to a kind of separatory even distribution device and using method 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 power saving features in refrigeration system, it is made up of cylinder, separatory even distribution device, steam-generating bank, support plate, two ends tube sheet, bobbin carriage, bearing and corresponding adapter, and whether the separatory wherein in separatory even distribution device is uniform by the utilization rate of the performance and steam-generating bank that directly have influence on trickle falling film type evaporator.
In trickle falling film type evaporator process of refrigerastion, the separatory of currently available technology remains the defect in following: in 1) due to trickle falling film type evaporator, the separatory of gas-liquid refrigerant mixture in separatory even distribution device is uneven, make the gasification of gas-liquid refrigerant after heat exchange insufficient, cause heat transfer property to decline; 2) form such as existing five layers of AND DEWATERING FOR ORIFICE STRUCTURE, capillary pipe structure, material filling type structure all there is complex structure in refrigerant distributor technology, seal request is high, difficulty of processing is large, cause processing cost high, uneconomical, not energy-conservation.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, a kind of simple for structure, compact, effective trickle falling film type evaporator separatory even distribution device and using method is provided to be purposes of the present invention.Technical solution of the present invention makes cold-producing medium effectively realize two-way two-level plane stream by the separatory even distribution device of trickle falling film type evaporator cylinder internal upper part, separatory evenly, and along the length of steam-generating bank and width, drip equably vertically downward and drench at all evapn tube bank outer surface, flash to hot gaseous completely, effectively improve the utilization rate of evaporator heat transfer performance and evaporation tube.Technical scheme of the present invention carrys out 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 made up of separatory uniform device 2 and the feed tube 1 that is associated, described separatory uniform device 2 be the rectangle housings 201 on a top, the plane secondary distribution orifice plate 203 of bottom form closed cross section be rectangular cavity, the length of separatory uniform device 2 and width adjust according to the different distributions of steam-generating bank, top place in separatory uniform device 2 is provided with the one-level distributing pore plate 202 of section belt inverted trapezoidal, the width of inverted trapezoidal is suitable with the external diameter of feed tube 1, 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 array that the plane of one-level distributing pore plate 202 distributes same apertures, these spray-hole aperture sums are 1.3-2.5 times of feed tube 1 latus rectum, 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, elongated hole is drenched in dripping of array that the plane of secondary distribution orifice plate 203 distributes same apertures, these drench 60-100 times that elongated hole aperture sum is feed tube 1 latus rectum, the composition of separatory even distribution device is connected with feed tube 1 by separatory uniform device 2 to communicate, inverted trapezoidal center in one-level distributing pore plate 202 is aimed at feed tube 1, and weld with separatory uniform device 2 internal perisporium and seal fixing, secondary distribution orifice plate 203 welds with separatory uniform device 2 periphery wall and seals fixing, make to form two, top and the bottom independently distribution cavity in separatory uniform device 2, top is spray chamber, bottom is a pouring chamber.
Trickle falling film type evaporator separatory even distribution device of the present invention and using method are: low-pressure gas-liquid refrigerant mixture enters the spray chamber of separatory uniform device 2 internal upper part by feed tube 1, cold-producing medium is made to do the flowing of two-way quick plane by the inverted trapezoidal in one-level distributing pore plate 202, separatory evenly, cold-producing medium enters a pouring chamber of bottom in separatory uniform device 2 through spray-hole simultaneously, cold-producing medium discharges all kinetic energy, cold-producing medium drenches by dripping in secondary distribution orifice plate 203 plane all evapn tube bank outer surface that length and the width drenched in separatory even distribution device bottom is dripped in hole vertically downward equably under gravity.
The invention has the beneficial effects as follows, this trickle falling film type evaporator separatory even distribution device have employed rectangular cold-producing medium two-way two-level plane flow assignment technology, make cold-producing medium separatory evenly, effectively improve trickle falling film type evaporator heat transfer property and efficiency.Improve 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.
Accompanying drawing explanation
The length direction cross-sectional view of Fig. 1, trickle falling film type evaporator separatory even distribution device embodiment of the present invention.
The width cross-sectional view of Fig. 2, trickle falling film type evaporator separatory even distribution device embodiment of the present invention.
In accompanying drawing, each legend marks the meaning be 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.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described:
The present embodiment is that to be applied in refrigerating capacity be 505kW to one, model is the trickle falling film type evaporator separatory even distribution device in EJM36F refrigeration air-conditioner process, it is made up of separatory uniform device 2 and the feed tube 1 that is associated, described separatory uniform device 2 is the rectangle housings 201 on a top, the plane secondary distribution orifice plate 203 of bottom form closed cross section be rectangular cavity, the length of separatory uniform device 2 is 3160mm, width is 380mm, top place in separatory uniform device 2 is provided with the one-level distributing pore plate 202 of section belt 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 top, the spray-hole of array that the plane of one-level distributing pore plate 202 distributes same apertures, these spray-hole aperture sums are 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 part, elongated hole is drenched in dripping of array that the plane of secondary distribution orifice plate 203 distributes same apertures, these drench 70 times that elongated hole aperture sum is feed tube 1 latus rectum, the structure installment that each parts be associated provide by accompanying drawing 1,2, wherein: separatory uniform device 2 and external diameter are that Ф 48mm feed tube 1 connects and communicates, inverted trapezoidal center in one-level distributing pore plate 202 is aimed at feed tube 1, and weld with separatory uniform device 2 internal perisporium and seal fixing, secondary distribution orifice plate 203 welds with separatory uniform device 2 periphery wall and seals fixing, make to form two, top and the bottom independently distribution cavity in separatory uniform device 2, top is spray chamber, bottom is a pouring chamber.
The using method of the present embodiment is: low-pressure gas-liquid refrigerant mixture enters the spray chamber of separatory uniform device 2 internal upper part by feed tube 1, cold-producing medium is made to do the flowing of two-way quick plane by the inverted trapezoidal in one-level distributing pore plate 202 or flute profile, separatory evenly, cold-producing medium enters a pouring chamber of bottom in separatory uniform device 2 through spray-hole simultaneously, cold-producing medium discharges all kinetic energy, and cold-producing medium drenches by dripping in secondary distribution orifice plate 203 plane all tube bank outer surfaces that length and the width drenched in separatory even distribution device bottom is dripped in hole vertically downward equably under gravity.
The present embodiment compact conformation, fabrication and installation are convenient, and processing cost is low, improves the efficiency of 18-23% than existing liquid distributing device.
Claims (2)
1. a trickle falling film type evaporator separatory even distribution device, it is characterized in that it is made up of separatory uniform device (2) and the feed tube (1) that is associated, described separatory uniform device (2) be the rectangle housing (201) on a top, the plane secondary distribution orifice plate (203) of bottom to form the cross section closed be rectangular cavity, length and the width of separatory uniform device (2) adjust according to the different distributions of steam-generating bank, top place in separatory uniform device (2) is provided with the one-level distributing pore plate (202) of section belt 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 array same apertures that the plane of one-level distributing pore plate (202) distributes, these spray-hole aperture sums are 1.3-2.5 times of feed tube (1) latus rectum, 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, elongated hole is drenched in dripping of array same apertures that the plane of secondary distribution orifice plate (203) distributes, these drench 60-100 times that elongated hole aperture sum is feed tube (1) latus rectum, the composition of separatory even distribution device is connected with feed tube (1) by separatory uniform device (2) to communicate, inverted trapezoidal center in one-level distributing pore plate (202) is aimed at feed tube (1), and weld with separatory uniform device (2) internal perisporium and seal fixing, secondary distribution orifice plate (203) welds with separatory uniform device (2) periphery wall and seals fixing, make to form two, top and the bottom independently distribution cavity in separatory uniform device (2), top is spray chamber, bottom is a pouring chamber.
2. the using method of the trickle falling film type evaporator separatory even distribution device of an application rights requirement described in 1, low-pressure gas-liquid refrigerant mixture enters the spray chamber of separatory uniform device (2) internal upper part by feed tube (1), cold-producing medium is made to do the flowing of two-way quick plane by the inverted trapezoidal in one-level distributing pore plate (202), separatory evenly, cold-producing medium enters a pouring chamber of bottom in separatory uniform device (2) through spray-hole simultaneously, cold-producing medium discharges all kinetic energy, cold-producing medium drenches by dripping in secondary distribution orifice plate (203) plane all evapn tube bank outer surface that length and the width drenched in separatory even distribution device bottom is dripped in hole vertically downward equably under gravity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210571751.XA CN103017420B (en) | 2012-12-26 | 2012-12-26 | Trickle falling film type evaporator separatory even distribution device and using method |
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| CN201210571751.XA CN103017420B (en) | 2012-12-26 | 2012-12-26 | Trickle falling film type evaporator separatory even distribution device and using method |
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| CN103017420B true CN103017420B (en) | 2015-08-05 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216976B (en) * | 2013-04-15 | 2015-07-29 | 美意(浙江)空调设备有限公司 | A kind of pouring liquid formula heat exchanger |
| CN103673729B (en) * | 2013-12-03 | 2016-06-29 | 上海热泰能源技术有限公司 | Labyrinth distributor |
| 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 |
| CN109185571A (en) * | 2018-09-28 | 2019-01-11 | 肖家伟 | A kind of equal press liquid current divider of multilayer |
| CN109737629A (en) * | 2019-02-26 | 2019-05-10 | 天津商业大学 | A kind of efficient low refrigerant charge free convection cooling grid of injecting type |
| CN115143662B (en) * | 2022-07-04 | 2023-09-26 | 冰山松洋制冷(大连)有限公司 | Evenly distributed liquid drip device |
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|---|---|---|---|---|
| CN101052854A (en) * | 2004-10-13 | 2007-10-10 | 约克国际公司 | Falling film evaporator |
| CN101382359A (en) * | 2008-10-07 | 2009-03-11 | 上海环球制冷设备有限公司 | Trickle falling film type evaporator device and use method |
| CN202274680U (en) * | 2011-08-18 | 2012-06-13 | 浙江盾安人工环境股份有限公司 | Improved structure of liquid distributor liquid distribution plate |
| CN203011014U (en) * | 2012-12-26 | 2013-06-19 | 上海环球制冷设备有限公司 | Dripping falling-film evaporator liquid separating and uniformly distributing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9951997B2 (en) * | 2011-02-04 | 2018-04-24 | Lockheed Martin Corporation | Staged graphite foam heat exchangers |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052854A (en) * | 2004-10-13 | 2007-10-10 | 约克国际公司 | Falling film evaporator |
| CN101382359A (en) * | 2008-10-07 | 2009-03-11 | 上海环球制冷设备有限公司 | Trickle falling film type evaporator device and use method |
| CN202274680U (en) * | 2011-08-18 | 2012-06-13 | 浙江盾安人工环境股份有限公司 | Improved structure of liquid distributor liquid distribution plate |
| CN203011014U (en) * | 2012-12-26 | 2013-06-19 | 上海环球制冷设备有限公司 | Dripping falling-film evaporator liquid separating and uniformly distributing device |
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