CN102706039A - Absorption refrigeration generator strengthened by utilizing rotary vane and porous surface heat pipe - Google Patents
Absorption refrigeration generator strengthened by utilizing rotary vane and porous surface heat pipe Download PDFInfo
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- CN102706039A CN102706039A CN2012102197636A CN201210219763A CN102706039A CN 102706039 A CN102706039 A CN 102706039A CN 2012102197636 A CN2012102197636 A CN 2012102197636A CN 201210219763 A CN201210219763 A CN 201210219763A CN 102706039 A CN102706039 A CN 102706039A
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- absorption refrigeration
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Abstract
The invention discloses an absorption refrigeration generator strengthened by utilizing a rotary vane and a porous surface heat pipe. The absorption refrigeration generator comprises a cone-shaped reactor; a rotary-vane wheel is installed under an upper cover of the cone-shaped reactor; a liquid working medium is filled in the refrigeration generator; the rotary-vane wheel comprises a rotary vane, a rotary-vane main body and a rotary-vane main shaft; the rotary vane is connected with the rotary-vane main body through a bolt; a heat exchanger is arranged at the bottom of the cone-shaped reactor; the heat exchanger comprises an annular heat collector water tank and the porous surface heat pipe; the porous surface heat pipe is arrange at the top of the annular heat collector water tank and is communicated with the inner part of the annular heat collector water tank; a liquid working medium outlet is arranged at the bottom of the annular heat collector water tank; and a liquid working medium inlet with a round tangential is arranged on the side wall of the cone-shaped reactor. The technical measurement provided by the invention is simple, convenient and easy to implement, has low cost and can be applicable to absorption refrigeration driven by low-quality heat sources such as solar energy, waste hot water, terrestrial heat, and tidal energy.
Description
Technical field
The present invention relates to the refrigeration system generator, specifically is a kind of blade and heat pipe intensified absorption refrigeration generator of porous surface of utilizing.
Background technology
Along with the continuous progress of society and the progressively raising of living standards of the people, people have higher requirement to quality of life.Healthy, comfortable living environment has become the application main drive that promotes refrigeration air-conditioner.At present, existing refrigeration and air-conditioning technical field generally all adopt electric energy or mechanical energy as the compression-type refrigeration that drives.Because CFCs class cold-producing medium has broken ring effect to ozone layer.The utilization of environmental protection and low-grade energy (solar energy, spent hot water, underground heat, tide energy etc.) receives the great attention of all circles.
Because solar refrigeration has advantages such as energy-saving and environmental protection, has obtained breakthrough development in field of solar energy utilization in recent years.Main two approach of solar refrigeration and air-conditioning, first utilizes the photovoltaic technology generating, promotes conventional compression refrigerating machine refrigeration with electric power, and second carries out light-Re conversion, uses hotwork to freeze as the energy.Though the former system is simple, at present the not mature enough cost of photoelectric conversion technique is high, and the latter not only can cooling, also can combine heat supply.
At present in various solar airconditioning Refrigeration Techniques, absorption refrigeration be utilize that cost is minimum, the best technology of the easiest realization industrialization of efficient.Sorption type refrigerating technology mainly contains two kinds of lithium bromide and ammoniacal liquor, is that lithium bromide is as cold-producing medium because the present solar absorption air-conditioning in the advantage market of lithium bromide each side adopts.And reach the existing Effect on Performance of solar thermal collection system own with its space-time inhomogeneities because solar energy irradiation density is low, it is extensive inadequately to cause existing market to use.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, a kind of blade and heat pipe intensified absorption refrigeration generator of porous surface of utilizing is provided, improved the utilization ratio of low-grade heat source and the refrigeration usefulness of refrigeration machine.
The present invention realizes through following technical proposals:
A kind of blade and heat pipe intensified absorption refrigeration generator of porous surface of utilizing; Comprise cone-shaped reactor; The blade wheel is installed below the cone-shaped reactor loam cake, and refrigerating generator inside is filled with liquid working substance, and said blade wheel comprises blade, blade main body and blade main shaft; Said blade is connected with the blade main body through bolt; Said cone-shaped reactor bottom is provided with heat exchanger, and said heat exchanger comprises annular heat collection water tank, porous surface heat pipe, said porous surface heat pipe be arranged at annular heat collection water tank the top and with annular heat collection water tank internal communication; The bottom of said annular heat collection water tank is provided with the liquid working substance outlet, and said cone-shaped reactor sidewall is provided with the liquid working substance import of circular tangential.The passage of said liquid working substance import is to be the circular tangential entry that shrinks, and the top of said cone-shaped reactor is provided with steam outlet.
Said porous surface heat pipe is that the heat pipe surface coverage has the inter-adhesive metallic particles layer of one deck.
The liquid level angle of the setting angle of said blade and liquid working substance is 0 °～90 °.
The top of said blade main body is positioned at 30～50mm under the liquid level of liquid working substance.
Said blade is rectangle or crescent, adopts stainless steel material.
The present invention has following advantage and effect with respect to prior art:
(1) the present invention is provided with the liquid working substance import of circular tangential in the cone-shaped reactor outside wall surface; On the blade main body, be provided with rectangle or crescent blade; Impel liquid working substance swirling motion in cone-shaped reactor, do not changing circulation pattern, guaranteeing further to have reduced the generator driven heat source temperature under the prerequisite of refrigeration usefulness; Improved the temperature difference capable of using, energy utilization rate.
(2) blade of the present invention is connected with the blade main body through bolt, does not influence the performance of whole Absorption Refrigerator because of the quality of single blade, improves the generator performance on the whole, has reduced maintenance cost simultaneously.
(3) the present invention adopts sintered type porous surface heat pipe as heat exchange element, compares with existing smooth heat pipe matrix, and the coefficient of heat transfer can improve several times, and strengthening effect is remarkable, thereby has increased the steam evaporation capacity.Improve the utilization ratio of low-quality thermal source and the refrigeration usefulness of refrigeration machine.
(4) the present invention adopts porous surface tube as heat exchange element, under the identical heat situation, has reduced heat exchanger volume greatly, makes device miniaturization practice thrift the device fabrication expense simultaneously.
(5) technological means of the present invention is simple and easy to do, and is with low cost, can be applicable in the absorption refrigeration of low-quality thermal source driving such as solar energy, spent hot water, underground heat, tide energy.
Description of drawings
The structural representation of Fig. 1 embodiment of the invention 1.
Fig. 2 is Fig. 1 blade agent structure cutaway view.
Fig. 3 is Fig. 1 blade structure vertical view.
Fig. 4 is Fig. 1 cone-shaped reactor liquid working substance import cutaway view.
Fig. 5 is Fig. 1 annular heat collection water tank vertical view.
Fig. 6 is the embodiment of the invention 2 structural representations.
Fig. 7 is Fig. 6 crescent blade structural representation.
The specific embodiment
Below in conjunction with specific embodiment the present invention is done further concrete detailed description the in detail.
Shown in Fig. 1～5; The present invention utilizes blade and the heat pipe intensified absorption refrigeration generator of porous surface, comprises cone-shaped reactor 9, and the blade wheel is installed below the cone-shaped reactor loam cake; Refrigerating generator inside is filled with liquid working substance; Said blade wheel comprises blade 1, blade main body 2 and blade main shaft 3, and said blade 1 is connected with blade main body 2 through bolt, and said cone-shaped reactor 9 bottoms are provided with heat exchanger; Said heat exchanger comprises annular heat collection water tank 7, porous surface heat pipe 6; Said porous surface heat pipe 6 be arranged at annular heat collection water tank 7 the top and with annular heat collection water tank 7 internal communication, the bottom of said annular heat collection water tank 7 is provided with liquid working substance outlet 8, said cone-shaped reactor 9 sidewalls are provided with the liquid working substance import 5 of circular tangential.
Said porous surface heat pipe 6 is that the heat pipe surface coverage has the inter-adhesive metallic particles layer of one deck.
The liquid level angle of the setting angle of said blade 1 and liquid working substance is 0 °～90 °.
The top of said blade main body 2 is positioned at 30～50mm under the liquid level of liquid working substance.
The top of cone-shaped reactor 9 is provided with steam outlet 4.
The passage of said liquid working substance import 5 is to be the circular tangential entry that shrinks.
Said blade 1 is a rectangle.
This patent is through utilizing low-grade energy as thermal source, and solar water is through porous surface heat pipe 6 phase transformation mass-and heat-transfers, and its evaporation ends absorbs heat in annular heat collection water tank 7; Simultaneously under the effect of blade wheel; Heating liquid working medium, liquid working substance reach evaporating temperature and evaporating pressure, and volatilization water becomes denseer working medium solution; Denseer working medium solution gets into absorber through liquid working substance outlet 8, and steam gets into the condenser from steam outlet 4.
After working medium solution got into from liquid working substance import 5, its velocity attitude under the effect of blade wheel, increased the working medium solution speed along the wall tangential direction of cone-shaped reactor 9 simultaneously, produces strong swirling motion.Working medium solution is along the rotation of cone-shaped reactor 9 internal faces, and working medium solution core will form the center, hole.Theoretical according to eddy flow, the reactor middle part will form low-pressure area.Working medium solution can adopt lithium-bromide solution, can know according to the lithium-bromide solution characteristic, and the occurrence temperature of lithium-bromide solution is directly proportional with pressure, thereby has effectively promoted the evaporation of working medium solution in the generator.Porous surface heat pipe 6 inserts in the annular heat-exchanging water tank 7, and its evaporation ends absorbs heat, thus through Transformation Principle at its condensation end release heat heating working medium solution.Porous surface heat pipe 6 is made forming process, at first matrix is removed surface rust and grease, is coated with the last layer binder solution then; Metal dust or metallic particles are sticked equably on matrix surface; After binding agent is air-dry, it is placed the sintering furnace sintering, through behind the certain hour; Just form the porous cover layer, obtain porous surface heat pipe 6 on matrix (metallic matrix) surface.
The superficial layer of porous surface heat pipe 6 includes more gases that adsorbing more, and liquid helps gas phase formation in the porous hole always by heating equably in the hole between metallic particles; But existing smooth heat pipe matrix bubble is colder working medium around overheating layer enters into, because cold fluid temperature is lower, its process resistance that breaks away from wall increases.Compare the coefficient of heat transfer with existing smooth heat pipe matrix and can improve several times owing to above reason porous surface heat pipe 6, strengthening effect is remarkable, thereby has increased the steam evaporation capacity.Improve the utilization ratio of low-quality thermal source and the refrigeration usefulness of refrigeration machine, this patent can be applicable in the absorption refrigeration of low-quality thermal source driving such as solar energy, spent hot water, underground heat, tide energy.
Present embodiment is except that following characteristics, and other characteristics are identical with embodiment 1.
Like Fig. 6, shown in 7, said blade 1 is a crescent.
As stated, just can realize the present invention preferably.
Claims (7)
1. one kind is utilized blade and the heat pipe intensified absorption refrigeration generator of porous surface; Comprise cone-shaped reactor; The blade wheel is installed below the cone-shaped reactor loam cake, and refrigerating generator inside is filled with liquid working substance, it is characterized in that: said blade wheel comprises blade, blade main body and blade main shaft; Said blade is connected with the blade main body through bolt; Said cone-shaped reactor bottom is provided with heat exchanger, and said heat exchanger comprises annular heat collection water tank, porous surface heat pipe, said porous surface heat pipe be arranged at annular heat collection water tank the top and with annular heat collection water tank internal communication; The bottom of said annular heat collection water tank is provided with the liquid working substance outlet, and said cone-shaped reactor sidewall is provided with the liquid working substance import of circular tangential.
2. blade and the heat pipe intensified absorption refrigeration generator of porous surface of utilizing according to claim 1 is characterized in that: said porous surface heat pipe is that the heat pipe surface coverage has the inter-adhesive metallic particles layer of one deck.
3. blade and the heat pipe intensified absorption refrigeration generator of porous surface of utilizing according to claim 1, it is characterized in that: the liquid level angle of the setting angle of said blade and liquid working substance is 0 °～90 °.
4. blade and the heat pipe intensified absorption refrigeration generator of porous surface of utilizing according to claim 1 is characterized in that: the top of said blade main body is positioned at 30～50mm under the liquid level of liquid working substance.
5. blade and the heat pipe intensified absorption refrigeration generator of porous surface of utilizing according to claim 1, it is characterized in that: the top of cone-shaped reactor is provided with steam outlet.
6. blade and the heat pipe intensified absorption refrigeration generator of porous surface of utilizing according to claim 1 is characterized in that: the passage of said liquid working substance import is to be the circular tangential entry that shrinks.
7. according to each described blade and heat pipe intensified absorption refrigeration generator of porous surface of utilizing in the claim 1～6, it is characterized in that: said blade is rectangle or crescent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102197636A CN102706039A (en) | 2012-06-28 | 2012-06-28 | Absorption refrigeration generator strengthened by utilizing rotary vane and porous surface heat pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102197636A CN102706039A (en) | 2012-06-28 | 2012-06-28 | Absorption refrigeration generator strengthened by utilizing rotary vane and porous surface heat pipe |
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| CN2012102197636A Pending CN102706039A (en) | 2012-06-28 | 2012-06-28 | Absorption refrigeration generator strengthened by utilizing rotary vane and porous surface heat pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997358A (en) * | 2012-12-03 | 2013-03-27 | 中国科学院广州能源研究所 | Non-water taking type geothermal heat pipe air-conditioning system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206457A (en) * | 1995-11-10 | 1999-01-27 | 诺丁汉大学 | Rotatable heat transfer apparatus |
| CN102384605A (en) * | 2011-10-25 | 2012-03-21 | 华南理工大学 | Ultrasonic-strengthened generator for absorption refrigerator |
| CN202692542U (en) * | 2012-06-28 | 2013-01-23 | 华南理工大学 | Absorption refrigeration generator strengthened by using rotation vanes and porous surface heat pipes |
-
2012
- 2012-06-28 CN CN2012102197636A patent/CN102706039A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206457A (en) * | 1995-11-10 | 1999-01-27 | 诺丁汉大学 | Rotatable heat transfer apparatus |
| CN102384605A (en) * | 2011-10-25 | 2012-03-21 | 华南理工大学 | Ultrasonic-strengthened generator for absorption refrigerator |
| CN202692542U (en) * | 2012-06-28 | 2013-01-23 | 华南理工大学 | Absorption refrigeration generator strengthened by using rotation vanes and porous surface heat pipes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997358A (en) * | 2012-12-03 | 2013-03-27 | 中国科学院广州能源研究所 | Non-water taking type geothermal heat pipe air-conditioning system |
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Application publication date: 20121003 |