CN201926221U - Ejector for ejection type refrigerating system - Google Patents
Ejector for ejection type refrigerating system Download PDFInfo
- Publication number
- CN201926221U CN201926221U CN2010206619421U CN201020661942U CN201926221U CN 201926221 U CN201926221 U CN 201926221U CN 2010206619421 U CN2010206619421 U CN 2010206619421U CN 201020661942 U CN201020661942 U CN 201020661942U CN 201926221 U CN201926221 U CN 201926221U
- Authority
- CN
- China
- Prior art keywords
- mixing chamber
- type refrigerating
- bearing
- rotating vane
- spray type
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an ejector for an ejection type refrigerating system. The ejector comprises an inlet bearing, a casing, an outlet bearing, a rotating blade and a rotary mixing chamber, wherein the rotary mixing chamber is installed inside the casing, the front end of the rotary mixing chamber is connected with the inlet bearing, the rear end of the rotary mixing chamber is connected with the outlet bearing, and the rotating blade is installed in a mounting groove on the inner wall of the rotary mixing chamber; and a fixing section plane of the rotating blade and the axial line of the rotary mixing chamber are parallel and coplanar, a downward sloping angle Alpha is formed between a compression section plane and the fixed section plane, and an upward sloping angle Beta is formed between a driving section plane and the fixed section plane. The mixing chamber is rotary and is provided with the rotating blade, and the rotating blade has two functions: firstly, a blade driving section drives the rotary mixing chamber to rotate under the drive of the working fluid; secondly, a blade compression section attracts the jet flow. Under the same dimensions and working conditions, the coefficient of performance (COP) can be increased by more than one time on the original basis.
Description
Technical field
The utility model relates to a kind of spray type refrigerating system, the injector of particularly a kind of spray type refrigerating system.
Background technology
Along with the aggravation of energy crisis, spray type refrigerating, absorption refrigeration etc. can utilize low-grade heat source more and more to be subject to people's attention for the refrigeration modes of driving force.Advantages such as the spray type refrigerating system is simple in structure with it, moving component is few, operating cost is low more and more are subjected to everybody favor, and are widely used in the air conditioner refrigerating field.The operational effect of conventional spray formula refrigeration system is mainly because of lower being restricted of its coefficient of performance COP, and therefore the research for spray type refrigerating extensively concentrates on the coefficient of performance COP that how to improve system.Mainly concentrate on the following aspects for the research that improves spray type refrigerating systematic function coefficient COP:
1, the research of economic benefits and social benefits jet suction type refrigeration, injection-compression-type refrigeration etc.;
2, the research of double base working medium in the spray type refrigerating system;
3, the improved research of injector self structure is as the research of nozzle arrangements, injector throat structure.
But the effect of above research is also not obvious, and the coefficient of performance COP of system is the highest to improve 50%, therefore, the improved research of injector self structure is still needed further to improve.
Summary of the invention
For solving the problems referred to above that prior art exists, the utility model will design a kind of injector that can improve the spray type refrigerating system of coefficient of performance COP.
To achieve these goals, the technical solution of the utility model is as follows: the injector of a kind of spray type refrigerating system, comprise inlet bearing, housing, outlet bearing, rotating vane and rotation mixing chamber, described inlet bearing is installed in the inboard of housing front portion by interference fit, described outlet bearing is installed in the inboard at housing rear portion by interference fit, described rotation mixing chamber is installed in the inside of housing, its front end is connected with the inlet bearing, the rear end is connected with the outlet bearing, and described rotating vane is installed in the mounting groove of rotation mixing chamber inwall; Described rotating vane comprises compression section, canned paragraph and driving section, the leading portion of rotating vane is that compression section, interlude are that canned paragraph, back segment are for driving section, the canned paragraph plane of rotating vane and the parallel and coplane of axis that rotates mixing chamber, have downtilt angles α between plane, compression section and the canned paragraph plane, have the angle of being inclined upwardly β between driving section plane and the canned paragraph plane.
Downtilt angles α described in the utility model is the 10-20 degree, and the angle that is inclined upwardly β is the 1-6 degree.
Rotating vane described in the utility model adopts the thick stainless steel substrates of 1mm to make, and the rotation mixing chamber selects for use the Teflon material to make.
Inlet bearing described in the utility model and outlet bearing are self-lubricating bearings.
Two kinds of different working medium of spray type refrigerating system's employing described in the utility model are respectively as working fluid and driving fluid; Described working fluid and driving fluid adopt latent heat ratio height, proportion than big and not miscible working medium; Described working fluid adopts HFE7300 or HFE7500, and driving fluid adopts water.
Compared with prior art, the utlity model has following beneficial effect:
1, because mixing chamber of the present utility model is rotatable and has the rotation mixing chamber of rotating vane that rotating vane can play two effects: the one, vane drive section driven rotary mixing chamber under the driving of working fluid rotates; The 2nd, the blade compresses section is entrainmented driving fluid.Its principle and turbocharger are basic identical, thereby can improve the mass ratio of induced-to-inducing air of spray type refrigerating circulation, improve the coefficient of performance COP of spray type refrigerating circulation widely.Under same size and condition of work, the coefficient of performance COP of spray type refrigerating circulation can improve more than 1 times on the original basis.
2, rotation mixing chamber inlet bearing and outlet bearing all adopt self-lubricating bearing in the utility model, can not introduce external contaminant, and be pollution-free to the injector interior fluid.
3, adopt HFE7300 and water respectively as working fluid and driving fluid, utilize this two kinds of working medium latent heats of vaporization than high, its latent heat of vaporization changes according to the temperature conditions difference to some extent than about about 30.The proportion of working fluid and driving fluid is bigger, and its proportion ratio is about 1.6～2.5, and objectionable intermingling.According to the definition of coefficient of performance COP in the spray type refrigerating system,
ω-mass ratio of induced-to-inducing air in the formula;
h
FsThe latent heat of vaporization value of-driving fluid;
h
FpThe latent heat of vaporization value of-working fluid.
By following formula as seen, in theory, the coefficient of performance COP of spray type refrigerating system can improve about 30 times.
Description of drawings
4 in the total accompanying drawing of the utility model, wherein:
Fig. 1 is the structural representation of the injector of spray type refrigerating system.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the shape schematic diagram of rotating vane of the injector of spray type refrigerating system.
Fig. 4 is the mounting plane schematic diagram of rotating vane of the injector of spray type refrigerating system.
Among the figure: 1, inlet bearing, 2, external shell, 3, the outlet bearing, 4, rotating vane, 5, the rotation mixing chamber, 6, the compression section, 7, canned paragraph, 8, drive section.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.Shown in Fig. 1-4, the injector of a kind of spray type refrigerating system, comprise inlet bearing 1, housing 2, outlet bearing 3, rotating vane 4 and rotation mixing chamber 5, described inlet bearing 1 is installed in the inboard of housing 2 front portions by interference fit, described outlet bearing 3 is installed in the inboard at housing 2 rear portions by interference fit, described rotation mixing chamber 5 is installed in the inside of housing 2, its front end is connected with inlet bearing 1, the rear end is connected with outlet bearing 3, and described rotating vane 4 is installed in the mounting groove of rotation mixing chamber 5 inwalls; Described rotating vane 4 comprises compression section 6, canned paragraph 7 and drives section 8, the leading portion of rotating vane 4 is that compression section 6, interlude are that canned paragraph 7, back segment are for driving section 8, canned paragraph 7 planes of rotating vane 4 and the parallel and coplane of axis that rotates mixing chamber 5, have downtilt angles α between 6 planes, compression section and canned paragraph 7 planes, have the angle of being inclined upwardly β between driving section 8 planes and canned paragraph 7 planes.Described downtilt angles α is the 10-20 degree, and the angle that is inclined upwardly β is the 1-6 degree.Described rotating vane 4 adopts the thick stainless steel substrates of 1mm to make, and rotation mixing chamber 5 selects for use the Teflon material to make.Described inlet bearing 1 and outlet bearing 3 are self-lubricating bearings.Two kinds of different working medium of described spray type refrigerating system's employing are respectively as working fluid and driving fluid; Described working fluid and driving fluid adopt latent heat ratio height, proportion than big and not miscible working medium; Described working fluid adopts HFE7300 or HFE7500, and driving fluid adopts water.
Operation principle of the present utility model is as follows: but rotating vane 4 separated into two parts: and the part of close outlet bearing 3 is used for driving rotation mixing chamber 5 rotates, and the part of close inlet bearing 1 is used to entrainment driving fluid.When the working fluid from nozzle acts on the part of rotating vane 4 close outlet bearings 3, because the impact of high-velocity fluid makes rotating vane 4 produce a clockwise or anticlockwise active force, the angle that concrete direction of rotation is installed according to rotating vane 4 is decided, under the driving of this active force, rotation mixing chamber 5 is according to rotating clockwise or counterclockwise, thereby rotating vane 4 can entrainment more driving fluid near the part of inlet bearings 1 on working fluid entrainments the basis of driving fluid, improve the mass ratio of induced-to-inducing air of spray type refrigerating circulation, thereby improve the coefficient of performance COP of spray type refrigerating circulation.
Claims (5)
1. the injector of a spray type refrigerating system, it is characterized in that: comprise inlet bearing (1), housing (2), outlet bearing (3), rotating vane (4) and rotation mixing chamber (5), described inlet bearing (1) is installed in the anterior inboard of housing (2) by interference fit, described outlet bearing (3) is installed in the inboard at housing (2) rear portion by interference fit, described rotation mixing chamber (5) is installed in the inside of housing (2), its front end is connected with inlet bearing (1), the rear end is connected with outlet bearing (3), and described rotating vane (4) is installed in the mounting groove of rotation mixing chamber (5) inwall; Described rotating vane (4) comprises compression section (6), canned paragraph (7) and drives section (8), the leading portion of rotating vane (4) is that compression section (6), interlude are that canned paragraph (7), back segment are for driving section (8), canned paragraph (7) plane of rotating vane (4) and the parallel and coplane of axis that rotates mixing chamber (5), have downtilt angles α between (6) plane, compression section and canned paragraph (7) plane, have the angle of being inclined upwardly β between driving section (8) plane and canned paragraph (7) plane.
2. the injector of a kind of spray type refrigerating according to claim 1 system, it is characterized in that: described downtilt angles α is the 10-20 degree, the angle that is inclined upwardly β is the 1-6 degree.
3. the injector of a kind of spray type refrigerating according to claim 1 system, it is characterized in that: described rotating vane (4) adopts the thick stainless steel substrates of 1mm to make, and rotation mixing chamber (5) selects for use the Teflon material to make.
4. the injector of a kind of spray type refrigerating according to claim 1 system, it is characterized in that: described inlet bearing (1) and outlet bearing (3) are self-lubricating bearings.
5. the injector of a kind of spray type refrigerating according to claim 1 system is characterized in that: described spray type refrigerating system adopts two kinds of different working medium respectively as working fluid and driving fluid; Described working fluid and driving fluid adopt latent heat ratio height, proportion than big and not miscible working medium; Described working fluid adopts HFE7300 or HFE7500, and driving fluid adopts water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206619421U CN201926221U (en) | 2010-12-15 | 2010-12-15 | Ejector for ejection type refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206619421U CN201926221U (en) | 2010-12-15 | 2010-12-15 | Ejector for ejection type refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926221U true CN201926221U (en) | 2011-08-10 |
Family
ID=44430067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206619421U Expired - Lifetime CN201926221U (en) | 2010-12-15 | 2010-12-15 | Ejector for ejection type refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102922A (en) * | 2010-12-15 | 2011-06-22 | 大连海事大学 | Ejector for ejecting type refrigerating system |
| CN104075509A (en) * | 2014-07-01 | 2014-10-01 | 浙江大学 | Ejector capable of automatically regulating area ratio along with generating temperature and jet type refrigerating machine |
| CN104406338A (en) * | 2014-12-10 | 2015-03-11 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Annular multi-nozzle injection structure |
-
2010
- 2010-12-15 CN CN2010206619421U patent/CN201926221U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102922A (en) * | 2010-12-15 | 2011-06-22 | 大连海事大学 | Ejector for ejecting type refrigerating system |
| CN104075509A (en) * | 2014-07-01 | 2014-10-01 | 浙江大学 | Ejector capable of automatically regulating area ratio along with generating temperature and jet type refrigerating machine |
| CN104406338A (en) * | 2014-12-10 | 2015-03-11 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Annular multi-nozzle injection structure |
| CN104406338B (en) * | 2014-12-10 | 2016-08-24 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of annular multiinjector ejection structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201696311U (en) | Centrifugal compressor with variable inlet guide vane and rotatable vane diffuser | |
| CN201926221U (en) | Ejector for ejection type refrigerating system | |
| CN102102922B (en) | Ejector for ejecting type refrigerating system | |
| CN101776087B (en) | Rotation shell pump adopting spiral labyrinth dynamic seal | |
| CN110285094B (en) | Curved sweep type blade for axial flow fan | |
| CN210769384U (en) | Centrifugal fan with cooler | |
| CN105135724A (en) | Energy-saving refrigerating unit and compression expansion module | |
| CN205243867U (en) | Vortex pump | |
| CN2926563Y (en) | Hydraulic turbine of cooling tower | |
| CN103486047A (en) | Rotary type compressor capable of being turbocharged | |
| CN205207273U (en) | Dual -air -inlet centrifugal fan | |
| CN202326326U (en) | Centrifugal compressor | |
| CN103591025B (en) | The turbo charged rotary compressor of band air-breathing | |
| CN208564969U (en) | Dry screw vacuum pump | |
| CN200989313Y (en) | Blowing machine | |
| CN2349490Y (en) | Structure improved ventilator | |
| CN209539655U (en) | A kind of two-part can be changed the guide vane structure of camber | |
| CN212202527U (en) | Turbine type air conditioner compressor | |
| CN112963977A (en) | Centrifugal compressor and water chilling unit | |
| CN201090437Y (en) | Volume type pump | |
| CN203532250U (en) | Turbo-charging type rotary compressor | |
| CN203584822U (en) | Suction turbocharging compressor | |
| CN107061309A (en) | A kind of cross flow fan | |
| CN204609948U (en) | A kind of turbogenerator turbine shaft | |
| CN209340219U (en) | Variable vaned diffuser for fuel cell compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20120530 |