CN103615827A - Injector increment injecting system - Google Patents
Injector increment injecting system Download PDFInfo
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- CN103615827A CN103615827A CN201310553990.7A CN201310553990A CN103615827A CN 103615827 A CN103615827 A CN 103615827A CN 201310553990 A CN201310553990 A CN 201310553990A CN 103615827 A CN103615827 A CN 103615827A
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- jet pump
- evaporimeter
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- entrance
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Abstract
The invention discloses an injector increment injecting system. The injector increment injecting system comprises at least two jet pumps, wherein all fluid outlets of each jet pump are sequentially connected with power fluid inlets of the jet pump; the power fluid inlet, which is positioned at the highest position, of each jet pump is a main power fluid inlet; and the fluid outlet, which is positioned at the lowest position, of each jet pump is a main fluid outlet. The injector increment injecting system is high in injection efficiency; and when the injector increment injecting system serves as a refrigeration unit, the value of COP (coefficient of performance) can be increased.
Description
Technical field
The present invention relates to refrigerating field, particularly a kind of injection increment ejection system.
Background technology
Injection refrigeration has simple in structure, low cost and other advantages, but for example, in the situation that having high voltage power fluid (steam) efficiency of traditional injection refrigerating system does not improve how many.Therefore need to invent a kind of system of utilizing high-pressure fluid source high-efficiency jet refrigeration.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the technical scheme that the present invention proposes is as follows:
A kind of injection increment ejection system, comprise at least two jet pumps, the fluid issuing of all described jet pumps is communicated with successively with motive fluid entrance, the motive fluid entrance of the described jet pump in upstream is made as motive fluid main entrance, and the fluid issuing of the described jet pump in downstream is made as fluid general export.
Described at least one, the low-pressure fluid entrance of jet pump is communicated with evaporimeter, and the bearing capacity at place, described motive fluid main entrance is greater than 0.3MPa.
The low-pressure fluid entrance of all described jet pumps is communicated with same evaporimeter.
Described injection increment ejection system also comprises the evaporimeter identical with described jet pump number, and described in each, the low-pressure fluid entrance of jet pump is communicated with a described evaporimeter.
The described evaporimeter of the described jet pump in downstream through throttling control valve or through throttle structure with and described in this described evaporimeter of the adjacent described jet pump in jet pump upstream be communicated with.
Described fluid general export is communicated with described evaporimeter through evaporimeter feed flow throttling control valve or evaporimeter feed flow throttle structure through condensate cooler again.
Described motive fluid main entrance is communicated with vapour source.
Principle of the present invention is: the fluid in the fluid issuing of the described jet pump in upstream produces ejector action another time as the motive fluid of the adjacent described jet pump in its downstream, thereby increase injection number of times, finally realize the more thoroughly utilization to the pressure energy of the motive fluid working medium in described motive fluid main entrance, improve the induction efficiency of whole system.
In the present invention, the bearing capacity at place, described motive fluid main entrance is greater than 0.3MPa, 0.4MPa, 0.5MPa, 0.6MPa, 0.7MPa, 0.8MPa, 0.9MPa, 1.0MPa, 1.1MPa, 1.2MPa, 1.3MPa, 1.4MPa, 1.5MPa, 1.6MPa, 1.7MPa, 1.8MPa, 1.9MPa or is greater than 2.0MPa.
In the present invention, the bearing capacity at the working fluid pressure in described motive fluid main entrance and place, described motive fluid main entrance matches, and the maximum pressure of the working fluid in described motive fluid main entrance reaches its bearing capacity.
In the present invention, described evaporimeter is the device that makes its internal liquid vaporization under vacuum action, and vaporescence can make temperature in described evaporimeter reduce, and therefore described evaporimeter can absorb heat, or described evaporimeter is carried out heat insulation, make its inner cryogenic fluid that low-temperature receiver is externally provided.
In the present invention, so-called " jet pump " refers to by the non-motive fluid of motive fluid injection, the device that two fluid interactions are discharged from an outlet; So-called jet pump can be gas jet pump, can be also liquid-jet pump; So-called jet pump can be traditional jet pump, can be also non-traditional jet pump.
In the present invention, so-called " traditional jet pump " refers to that the pipe that arranged by two suits forms, to inner tube, provide high voltage power fluid, inner tube high voltage power fluid sprays within the outer tube, the device that makes other fluids (fluid entering from outer tube) between inner and outer pipes move along the injection direction generation of inner tube high voltage power fluid under the acting in conjunction of inner tube high voltage power Fluid injection and outer tube; The outer tube of so-called jet pump can have reducing and expansion district, and outer tube can be made as Venturi tube, and inner tube nozzle can be made as Laval nozzle, and so-called reducing and expansion district refers to the region that in outer tube, area of section changes; Described jet pump has three interfaces at least or claims passage, i.e. motive fluid entrance, low-pressure fluid entrance and fluid issuing.
In the present invention, so-called " non-traditional jet pump " refers to that the pipe that arranged or be mutually set up in parallel by two or more mutual sheathing forms, wherein at least one pipe is communicated with kinetic current body source, and dynamafluidal the flowing in kinetic current body source can cause that the fluid in other pipes produces the device of directed flow; The pipe of so-called jet pump can have reducing and expansion district, can be made as Venturi tube, and the nozzle of pipe can be made as Laval nozzle, and so-called reducing and expansion district is the region that in vial, area of section changes; Described jet pump has three interfaces at least or claims passage, i.e. motive fluid entrance, low-pressure fluid entrance and fluid issuing; Described jet pump can comprise a plurality of motive fluid entrances, in comprising the structure of a plurality of motive fluid entrances, described motive fluid entrance can be arranged in the pipeline center district of described low-pressure fluid entrance, also can be arranged near the duct wall of described low-pressure fluid entrance, described motive fluid entrance can be also the annular spray mouth around described low-pressure fluid inlet duct wall.
In the present invention, described jet pump comprises Multi-stage jet pump, multiple jets pump and Pulsed Jet Pump etc.
In the present invention, so-called " ”,“ downstream, upstream " is that the working medium overall flow direction of take in described injection increment ejection system is reference, enter the working medium of described injection increment ejection system generally from upstream flow further downstream, working medium, after described motive fluid main entrance enters described injection increment ejection system, must be first through Zai Dao downstream, upstream in other words.
In the present invention, so-called " fluid issuing of all described jet pumps is communicated with successively with motive fluid entrance " refers to the connection of connecting of all described jet pumps, and the head and the tail of the system that series connection consists of a plurality of described jet pumps after being communicated with are no longer communicated with.
In the present invention, in the structure of " described injection increment ejection system also comprises the evaporimeter identical with described jet pump number; described in each, the low-pressure fluid entrance of jet pump is communicated with a described evaporimeter ", the corresponding described evaporimeter of jet pump described in each, described in each, the low-pressure fluid entrance of jet pump is communicated with from different described evaporimeters.
In the present invention, should, according to the known technology of refrigerating field, in necessary place, necessary parts, unit or system be set.
Beneficial effect of the present invention is as follows:
Described injection increment ejection system induction efficiency disclosed in this invention is high, while using as refrigeration unit, can improve COP value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4;
Fig. 5 is the structural representation of the embodiment of the present invention 5;
Fig. 6 is the structural representation of the embodiment of the present invention 6;
Fig. 7 is the structural representation of the embodiment of the present invention 7;
Fig. 8 is the structural representation of the embodiment of the present invention 8;
Fig. 9 is the structural representation of the embodiment of the present invention 9;
In figure:
1 jet pump, 2 motive fluid main entrances, 3 fluid general exports, 4 evaporimeters, 5 throttling control valves, 51 throttle structures, 6 condensate coolers, 7 evaporimeter feed flow throttling control valves, 71 evaporimeter feed flow throttle structures, 8 vapour sources.
The specific embodiment
Injection increment ejection system shown in Fig. 1, comprise two jet pumps 1, the fluid issuing of a described jet pump 1 is communicated with the motive fluid entrance of jet pump described in another 1, the motive fluid entrance of the described jet pump 1 in upstream is made as motive fluid main entrance 2, and the fluid issuing of the described jet pump 1 in downstream is made as fluid general export 3.
As the embodiment that can convert, described injection increment ejection system can be made as and comprise 3 or more described jet pump 1, now, the fluid issuing of all described jet pumps 1 is communicated with successively with motive fluid entrance, the motive fluid entrance of the described jet pump 1 in upstream is made as motive fluid main entrance 2, and the fluid issuing of the described jet pump 1 in downstream is made as fluid general export 3.
Injection increment ejection system shown in Fig. 2, it is on the basis of embodiment 1:
The low-pressure fluid entrance of a described jet pump 1 is communicated with evaporimeter 4, and the bearing capacity at 2 places, described motive fluid main entrance is greater than 0.3MPa.
As the embodiment that can convert, the low-pressure fluid entrance of two described jet pumps 1 can be communicated with evaporimeter 4.
As the embodiment that can convert, when described jet pump 1 is made as more than 3, appoints and to select one, two or jet pump 1 described in several, their described low-pressure fluid entrance is communicated with evaporimeter 4.
Can as required the bearing capacity at 2 places, described motive fluid main entrance be made as to be greater than 0.4MPa, 0.5 MPa, 0.6 MPa, 0.7 MPa, 0.8 MPa, 0.9 MPa, 1.0 MPa, 1.1 MPa, 1.2 MPa, 1.3 MPa, 1.4 MPa, 1.5 MPa, 1.6 MPa, 1.7 MPa, 1.8 MPa, 1.9 MPa or to be made as and be greater than 2.0 MPa.
Injection increment ejection system shown in Fig. 3, it is on the basis of embodiment 1:
The low-pressure fluid entrance of two described jet pumps 1 is all communicated with same evaporimeter 4.
As the embodiment that can convert, when described jet pump 1 is made as more than 3, the low-pressure fluid entrance of all described jet pumps 1 can all be communicated with same evaporimeter 4.
As the embodiment that can convert, when described jet pump 1 is made as more than 3, optionally select two or described in several low-pressure fluid entrance of jet pump 1 be all communicated with same evaporimeter 4.
Injection increment ejection system shown in Fig. 4, the difference of itself and embodiment 1 is:
Described injection increment ejection system comprises 3 described jet pumps 1, described injection increment ejection system also comprises and all described jet pumps 13 evaporimeters 4 one to one, and described in each, the low-pressure fluid entrance of jet pump 1 is communicated with a corresponding described evaporimeter 4.
As the embodiment that can convert, when described jet pump 1 is made as more than 2 or 4, the number of the described evaporimeter 4 that described injection increment ejection system comprises is identical with described jet pump 1 number, and described in each, the low-pressure fluid entrance of jet pump 1 is communicated with a corresponding described evaporimeter 4.
Embodiment 5
Injection increment ejection system shown in Fig. 5, it is on the basis of embodiment 4:
The described evaporimeter 4 of the described jet pump 1 in downstream through throttling control valve 5 with and described in this described evaporimeter 4 of the adjacent described jet pump 1 in jet pump 1 upstream be communicated with.
Embodiment 6
Injection increment ejection system shown in Fig. 6, the difference of itself and embodiment 5 is:
Cancel described throttling control valve 5, in same position, throttle structure 51 is set, described throttle structure 51 is basic identical with the effect of described throttling control valve 5.
In all structures that is provided with two the above evaporimeters 4 of the present invention, all can with reference to implement 5 or embodiment 6 by the described evaporimeter 4 of described jet pump 1 correspondence in downstream through throttling control valve 5 or through throttle structure 51 with and described evaporimeter 4 connections that described in this, adjacent described jet pump 1 in jet pump 1 upstream is corresponding.
Embodiment 7
Injection increment ejection system shown in Fig. 7, it is on the basis of embodiment 5:
Described fluid general export 3 is communicated with described evaporimeter 4 through evaporimeter feed flow throttling control valve 7 through condensate cooler 6 again.
Embodiment 8
Injection increment ejection system shown in Fig. 8, the difference of itself and embodiment 7 is:
Cancel described evaporimeter feed flow throttling control valve 7, in same position, evaporimeter feed flow throttle structure 71 is set, described evaporimeter feed flow throttle structure 71 is basic identical with the effect of evaporimeter feed flow throttling control valve 7.
In all structures that is provided with described evaporimeter 4 of the present invention, can reference example 7 or embodiment 8 described fluid general export 3 is communicated with described evaporimeter 4 through evaporimeter feed flow throttling control valve 7 or evaporimeter feed flow throttle structure 71 through condensate cooler 6 again.
Embodiment 9
Described injection increment ejection system shown in Fig. 9, it is on the basis of embodiment 5:
Described motive fluid main entrance 2 is communicated with vapour source 8.
In all of the embodiments of the present invention, can, with reference to the present embodiment, described motive fluid main entrance 2 be communicated with vapour source 8.
All of the embodiments of the present invention, is all optionally made as the bearing capacity at place, described motive fluid main entrance to be greater than 0.3MPa, 0.4MPa, 0.5MPa, 0.6MPa, 0.7MPa, 0.8MPa, 0.9MPa, 1.0MPa, 1.1MPa, 1.2MPa, 1.3MPa, 1.4MPa, 1.5MPa, 1.6MPa, 1.7MPa, 1.8MPa, 1.9MPa or to be greater than 2.0MPa.
Obviously, the invention is not restricted to above embodiment, according to the known technology of this area and technical scheme disclosed in this invention, can derive or association goes out many flexible programs, all these flexible programs, also should think protection scope of the present invention.
Claims (8)
1. an injection increment ejection system, it is characterized in that: comprise at least two jet pumps (1), the fluid issuing of all described jet pumps (1) is communicated with successively with motive fluid entrance, the motive fluid entrance of the described jet pump (1) in upstream is made as motive fluid main entrance (2), and the fluid issuing of the described jet pump (1) in downstream is made as fluid general export (3).
2. injection increment ejection system as claimed in claim 1, is characterized in that: the low-pressure fluid entrance of jet pump described at least one (1) is communicated with evaporimeter (4), and the bearing capacity that described motive fluid main entrance (2) is located is greater than 0.3MPa.
3. injection increment ejection system as claimed in claim 1, is characterized in that: the low-pressure fluid entrance of all described jet pumps (1) is communicated with same evaporimeter (4).
4. injection increment ejection system as claimed in claim 1, it is characterized in that: described injection increment ejection system also comprises the evaporimeter (4) identical with described jet pump (1) number, and the low-pressure fluid entrance of jet pump described in each (1) is communicated with a described evaporimeter (4).
5. injection increment ejection system as claimed in claim 4, is characterized in that: the described evaporimeter (4) of the described jet pump (1) in downstream through throttling control valve (5) or through throttle structure (51) with and described in this described evaporimeter (4) of the adjacent described jet pump (1) in jet pump (1) upstream be communicated with.
6. injection increment ejection system as described in any one in claim 2 to 5, is characterized in that: described fluid general export (3) is communicated with described evaporimeter (4) through evaporimeter feed flow throttling control valve (7) or evaporimeter feed flow throttle structure (71) through condensate cooler (6) again.
7. injection increment ejection system as described in any one in claim 1 to 5, is characterized in that: described motive fluid main entrance (2) is communicated with vapour source (8).
8. injection increment ejection system as claimed in claim 6, is characterized in that: described motive fluid main entrance (2) is communicated with vapour source (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553990.7A CN103615827B (en) | 2012-11-13 | 2013-11-08 | Injection increment ejection system |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210453018 | 2012-11-13 | ||
| CN2012104530188 | 2012-11-13 | ||
| CN201210453018.8 | 2012-11-13 | ||
| CN201210459260.6 | 2012-11-14 | ||
| CN201210459260 | 2012-11-14 | ||
| CN2012104592606 | 2012-11-14 | ||
| CN201310553990.7A CN103615827B (en) | 2012-11-13 | 2013-11-08 | Injection increment ejection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615827A true CN103615827A (en) | 2014-03-05 |
| CN103615827B CN103615827B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310553990.7A Active CN103615827B (en) | 2012-11-13 | 2013-11-08 | Injection increment ejection system |
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| CN (1) | CN103615827B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483396A (en) * | 2020-11-13 | 2022-05-13 | 纬湃汽车电子(芜湖)有限公司 | Fuel pump assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB243492A (en) * | 1924-10-14 | 1925-12-03 | James Park | Improvements in and relating to vapour compression refrigerating machinery |
| CN2182152Y (en) * | 1993-06-17 | 1994-11-09 | 清华大学 | Multi-function vacuum storing apparatus |
| CN101464069A (en) * | 2007-12-18 | 2009-06-24 | 王海 | Thermal injection and vortex flow combined air conditioner |
| CN202032802U (en) * | 2010-12-07 | 2011-11-09 | 河南科技大学 | Fluid ice preparation device |
| CN102620478A (en) * | 2012-04-16 | 2012-08-01 | 刘小江 | Method and device for improving thermal circulation efficiency |
-
2013
- 2013-11-08 CN CN201310553990.7A patent/CN103615827B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB243492A (en) * | 1924-10-14 | 1925-12-03 | James Park | Improvements in and relating to vapour compression refrigerating machinery |
| CN2182152Y (en) * | 1993-06-17 | 1994-11-09 | 清华大学 | Multi-function vacuum storing apparatus |
| CN101464069A (en) * | 2007-12-18 | 2009-06-24 | 王海 | Thermal injection and vortex flow combined air conditioner |
| CN202032802U (en) * | 2010-12-07 | 2011-11-09 | 河南科技大学 | Fluid ice preparation device |
| CN102620478A (en) * | 2012-04-16 | 2012-08-01 | 刘小江 | Method and device for improving thermal circulation efficiency |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483396A (en) * | 2020-11-13 | 2022-05-13 | 纬湃汽车电子(芜湖)有限公司 | Fuel pump assembly |
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| Publication number | Publication date |
|---|---|
| CN103615827B (en) | 2016-03-30 |
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Effective date of registration: 20200528 Address after: 215000 south of Lianyang road and east of Chang'an Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province (Science and technology entrepreneurship Park) Patentee after: Wujiang science and Technology Pioneer Park Management Service Co., Ltd Address before: 100101, Beijing, Chaoyang District Beiyuan Road, No. 168, Sheng Sheng building, 24 floor Patentee before: MOLECULE POWER BEIJING TECH Co. |
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