CN106179810A - A kind of modularity ejector - Google Patents
A kind of modularity ejector Download PDFInfo
- Publication number
- CN106179810A CN106179810A CN201610833047.5A CN201610833047A CN106179810A CN 106179810 A CN106179810 A CN 106179810A CN 201610833047 A CN201610833047 A CN 201610833047A CN 106179810 A CN106179810 A CN 106179810A
- Authority
- CN
- China
- Prior art keywords
- modularity
- entrance
- main burner
- ejector
- metering needle
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
Abstract
The open a kind of modularity ejector of the present invention, including modularity main burner, inspiratory limb, modularity mixing section and governor motion；Governor motion, inspiratory limb and modularity mixing section are sequentially connected with；Governor motion includes metering needle and entrance；Modularity main burner is arranged in inspiratory limb；The arrival end of modularity main burner connects entrance, and the port of export is near the entrance of modularity mixing section；Metering needle includes main part and the pin extended forward from main part, and the main part portion perimeter of metering needle is provided with external screw thread；Entrance is hollow tubular, and entrance inwall is provided with female thread, and the external screw thread arranged with metering needle periphery is connected；Modularity main burner inner hollow, with the inner space of entrance；The pin of metering needle extends in modularity main burner, for the throat dimension of adjustment module main burner through entrance.Key position size can be adjusted by governor motion designed in the present invention when ejector works so that the change of the size adaptation condition of ejector.
Description
Technical field
The invention belongs to refrigeration, heat technical field, particularly to a kind of modularity ejector.
Background technology
The characteristic that when pressure reduction, flow velocity reduce when ejector make use of rate of flow of fluid to increase, pressure raises is operated.
The high temperature of ejector porch, the main flow of high pressure flow through main burner, and flow velocity raises, and pressure reduces, and produce low pressure in suction muffler
District, sucks driven fluid.Driven fluid, after driving nozzle raises speed, is sufficiently mixed in uiform section mixing section with main flow.
Final mixed fluid flows through diffuser, and speed reduces, and pressure raises.During whole, ejector make use of entrance high
The potential energy of temperature high-pressure fluid so that raised by the low pressure fluid pressure of injection.
Ejector in refrigeration, heat technology have relatively broad application.Wherein, ejector is used in steam compression system
Middle replacement choke valve, can effectively utilize the restriction loss of cold-producing medium in conventional refrigeration cycle, make suction pressure of compressor promote, from
And reduce compressor power consumption, promote systematic function.Can significantly promote system COP in this technical know-how, particularly with R744,
The working medium of the contour operating pressure of R410A, has higher application potential.
The size of ejector the most rationally has conclusive impact to the performance quality of refrigeration system.System condition changes
Time, ejector each several part size is also required to change, makes systematic function reach optimum.But injector interior fluid flow mechanism
Complexity, relates to the numerous complicated flow phenomenons such as supersonic flows, phase transformation, shock wave, two-phase fluid mixing, in ejector
The theoretical research of portion's flow phenomenon still imperfection.At present, structure design more difficulty, the result of Theoretical Calculation and the reality of ejector
Border situation error is bigger, it is still necessary to carry out great many of experiments test to determine final reasonably ejector geometric parameter.To this end, use
Being easy to change the design of emitter construction, the experiment test for ejector system is significant with actual application.
Summary of the invention
It is an object of the invention to provide a kind of modularity ejector, provide convenient for changing ejector key dimension, with
Save ejector system experiment test and the cost of actual application, and improve the performance of ejector system under variable working condition.
To achieve these goals, the technical solution used in the present invention is:
A kind of modularity ejector, including modularity main burner, inspiratory limb, modularity mixing section and governor motion；Regulation
Mechanism, inspiratory limb and modularity mixing section are sequentially connected with；Governor motion includes metering needle and entrance；Modularity main burner is arranged
In inspiratory limb；The arrival end of modularity main burner is connected on entrance, and the port of export is near the entrance of modularity mixing section；Adjust
Markingoff pin includes main part and the pin extended forward from main part, and the main part portion perimeter of metering needle is provided with external screw thread；Entrance
For hollow tubular, entrance inwall is provided with female thread, and the external screw thread arranged with metering needle periphery is connected；Modularity main jet
Mouth inner hollow, with the inner space of entrance；The pin of metering needle extends to, in modularity main burner, be used for adjusting through entrance
The throat dimension of joint modularity main burner.
Further, it is provided with polytetrafluoroethylene sealing gasket between modularity main burner and entrance.
Further, the outlet of modularity mixing section connects modularity diffusion end；Inspiratory limb, modularity mixing section and mould
Contact surface between massing diffuser arranges polytetrafluoroethylene sealing gasket circle.
Further, some O RunddichtringOs it are provided with between modularity main burner and inspiratory limb inwall.
Further, governor motion also includes positioning section and adjusting nut；Inspiratory limb is fixed on positioning section and mixes with modularity
Closing between section, adjusting nut is arranged in positioning section, is provided with external screw thread outside entrance, with the regulation being arranged in positioning section
Nut screw connection connects.
Further, for limiting the key of minimum range between modularity main burner and modularity mixing section on entrance.
Further, it is provided with some O RunddichtringOs between main part and the entrance inwall of metering needle.
Further, the sidewall of entrance offers gas access；The outlet of modularity main burner it is positioned at other in inspiratory limb
Side is provided with suction muffler.
Relative to prior art, the method have the advantages that
The present invention is by designing the important feature segmentation moduleization of ejector so that the structural change of ejector is more just
Victory, in the stage of ejector system experiment test, by cooperating between disparate modules parts, can realize a large amount of easily
The combination of ejector size, can shorten the process-cycle needed for experiment, provides convenient for experiment.And setting of each modular member
Meter all have followed the principle that interchangeability is strong, processing is simple, save materials, after experiment test determines suitable ejector size,
At mass-production stage, use the design also can save time cost and the monetary cost of processing.
Key position size can be adjusted by governor motion designed in the present invention when ejector works so that spray
The change of the size adaptation condition of emitter, promotes ejector performance under refrigeration system variable working condition.
Accompanying drawing explanation
Fig. 1 is emitter construction sketch；
Fig. 2 is the modularity emitter construction schematic diagram of the present invention；
Fig. 3 is the sectional view of ejector shown in Fig. 2.
Wherein: 1, modularity main burner；2, inspiratory limb；3, modularity mixing section；4, modularity diffuser；5, metering needle；
6, entrance；7, positioning section；8, adjusting nut；9, key.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Referring to shown in Fig. 1, existing ejector mainly comprises main burner 10, suction muffler 20, gas absorption spray 30, mixing section 40
And diffuser 50, totally 5 major parts.The high temperature of ejector porch, the main flow of high pressure flow through main burner, and flow velocity raises, pressure
Power reduces, and produces low-pressure area, suck driven fluid in suction muffler.Driven fluid is after driving nozzle raises speed, with main flow
It is sufficiently mixed in uiform section mixing section.Final mixed fluid flows through diffuser, and speed reduces, and pressure raises.
Referring to shown in Fig. 2 and Fig. 3, one modularity ejector of the present invention, including modularity main burner 1, inspiratory limb
2, modularity mixing section 3, modularity diffuser 4 and governor motion；Governor motion, inspiratory limb 2, modularity mixing section 3 and module
Change diffuser 4 and pass sequentially through the fixing connection of bolt；Governor motion includes metering needle 5, entrance 6, positioning section 7, adjusting nut 8 and
Key 9；Metering needle 5 includes main part and extends forwardly into the pin modularity main burner 1, the main part of metering needle 5 from main part
Portion perimeter is provided with external screw thread；Entrance 6 is hollow tubular, and entrance inwall is provided with female thread, arranges with metering needle 5 periphery
External screw thread be connected；The main part part of metering needle 5 is leaked outside entrance 6, it is possible to rotate for metering needle at main jet
Position in mouth 1；It is provided with multilamellar O RunddichtringO between main part and the inwall of entrance 6 of metering needle 5, prevents gas leakage.Entrance
Section 6 outside be provided with external screw thread, coordinate with the adjusting nut 8 being arranged in positioning section 7, rotate adjusting nut 8 can realize into
Moving axially of mouth section 6；The keyway for installing key 9 it is additionally provided with outside entrance 6；Keyway is installed key 9 in regulation
Nut 8 makes entrance 6 move along a straight line when rotating, and can not rotate.Inspiratory limb 2 is internally provided with modularity main burner 1；Modularity
One end of main burner 1 is bolted to connection on entrance 6.
It is provided with polytetrafluoroethylene sealing gasket between modularity main burner 1 and entrance 6；Positioning section 3, inspiratory limb 2, module
The contact surface changing mixing section 3 and modularity diffuser 4 arranges polytetrafluoroethylene sealing gasket circle.
It is provided with the groove being easy to O RunddichtringO snare on modularity main burner 1, groove is provided with O RunddichtringO, prevents
Leak gas between modularity main burner 1 and inspiratory limb 2.
Process various sizes of modularity main burner 1, modularity mixing section 3 and modularity diffuser 4, following spray can be realized
The change of emitter critical size: modularity main burner 1 throat diameter, modularity main burner 1 scale angle, uiform section modularity is mixed
Close section 3 diameter, length, and the expansion angle of modularity diffuser 4；
Governor motion designed by utilization, can change ejector size in refrigeration system is run.Rotate metering needle, can be more
Change the throat diameter of modularity main burner 1；Rotating adjusting nut, can change modularity main burner 1 and be exported to modularity mixing section 3
The distance of entrance.
The high temperature of ejector porch, the main flow of high pressure flow through modularity main burner 1, and flow velocity raises, and pressure reduces, and are inhaling
Produce low-pressure area in gas section 2, suck driven fluid.Driven fluid, after driving nozzle raises speed, mixes in modularity with main flow
It is sufficiently mixed in closing section 3.Final mixed fluid flows through modularity diffuser 4, and speed reduces, and pressure raises.
Tested with great many of experiments by consulting literatures, the throat diameter of discovery module main burner 1 and scaling angle, module
Diameter and length, modularity main burner 1 main burner of changing mixing section 3 are exported to modularity mixing section 3 entrance distance and diffusion
Section these form parameters of angle are relatively big to the performance impact of ejector, and the impact of the structure on performance of inspiratory limb 2, gas absorption spray
Not quite, therefore modularity main burner 1, mixed modularity mixing section 3 and modularity diffuser 4 three part be have employed modularity specially
Design, inspiratory limb 2 then have employed determines physical dimension design.During experiment, it is only necessary to process various sizes of modularity main burner 1, mould
Massing mixing section 3 is tested with modularity diffusion 4 sections, so that systematic function reaches optimum.
Rotate metering needle 5 and adjusting nut 8, the throat diameter of modularity main burner 1 can be changed when ejector works
It is exported to mixing section modularity 4 entrance distance, to make system COP reach maximum under variable working condition with modularity main burner 1.
Claims (8)
1. a modularity ejector, it is characterised in that include modularity main burner (1), inspiratory limb (2), modularity mixing section
And governor motion (3)；
Governor motion, inspiratory limb (2) and modularity mixing section (3) are sequentially connected with；
Governor motion includes metering needle (5) and entrance (6)；Modularity main burner (1) is arranged in inspiratory limb (2)；Modularity
The arrival end of main burner (1) is connected on entrance (6), and the port of export is near the entrance of modularity mixing section (3)；
Metering needle (5) includes main part and the pin extended forward from main part, outside the main part portion perimeter of metering needle (5) is provided with
Screw thread；Entrance (6) is hollow tubular, and entrance inwall is provided with female thread, and the external screw thread arranged with metering needle (5) periphery is joined
Close and connect；Modularity main burner (1) inner hollow, with the inner space of entrance；The pin of metering needle (5) passes entrance (6)
Extend in modularity main burner (1), for the throat dimension of adjustment module main burner (1).
A kind of modularity ejector the most according to claim 1, it is characterised in that modularity main burner (1) and entrance
(6) polytetrafluoroethylene sealing gasket it is provided with between.
A kind of modularity ejector the most according to claim 1, it is characterised in that the outlet of modularity mixing section (3) is even
It is connected to modularity diffusion end (4)；Contact surface between inspiratory limb (2), modularity mixing section (3) and modularity diffuser (4) sets
Put polytetrafluoroethylene sealing gasket circle.
A kind of modularity ejector the most according to claim 1, it is characterised in that modularity main burner (1) and inspiratory limb
(2) some O RunddichtringOs it are provided with between inwall.
A kind of modularity ejector the most according to claim 1, it is characterised in that governor motion also includes positioning section (7)
With adjusting nut (8)；Inspiratory limb (2) is fixed between positioning section (7) and modularity mixing section (3), and adjusting nut (8) is arranged at
In positioning section (7), entrance (6) outside is provided with external screw thread, coordinates with the adjusting nut (8) being arranged in positioning section (7) even
Connect.
A kind of modularity ejector the most according to claim 1, it is characterised in that entrance is used for limiting module on (6)
Change the key (9) of minimum range between main burner (1) and modularity mixing section (3).
A kind of modularity ejector the most according to claim 1, it is characterised in that the main part of metering needle (5) and entrance
It is provided with some O RunddichtringOs between section (6) inwall.
A kind of modularity ejector the most according to claim 1, it is characterised in that offer on the sidewall of entrance (6)
Gas access；It is positioned at modularity main burner (1) outlet side in inspiratory limb (2) and is provided with suction muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833047.5A CN106179810A (en) | 2016-09-19 | 2016-09-19 | A kind of modularity ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833047.5A CN106179810A (en) | 2016-09-19 | 2016-09-19 | A kind of modularity ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106179810A true CN106179810A (en) | 2016-12-07 |
Family
ID=58067187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833047.5A Pending CN106179810A (en) | 2016-09-19 | 2016-09-19 | A kind of modularity ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106179810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008154A1 (en) * | 2019-07-18 | 2021-01-21 | 中山大洋电机股份有限公司 | Ejector, and fuel cell hydrogen intake regulation and hydrogen return device applicable thereto |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377256A (en) * | 1981-06-22 | 1983-03-22 | Gusmer Corporation | Apparatus for dispensing a mixture of mutually reactive liquids |
| CN2499130Y (en) * | 2001-09-13 | 2002-07-10 | 四川省科学城高达测控公司 | Adjustable steam spray device |
| CN1776324A (en) * | 2005-12-01 | 2006-05-24 | 上海交通大学 | Two-phase flow injector replacing refrigerator throttling element |
| CN101412011A (en) * | 2008-11-07 | 2009-04-22 | 浙江大学 | Adjustable spraying apparatus |
| CN101816986A (en) * | 2010-04-27 | 2010-09-01 | 杭州华达喷射真空设备有限公司 | Adjustable ejector nozzle and method for forming jet linear fluid |
| CN102513247A (en) * | 2011-12-31 | 2012-06-27 | 中能东讯新能源科技(大连)有限公司 | Ejector with adjustable nozzle throat area |
| CN105363588A (en) * | 2014-09-01 | 2016-03-02 | 彭光前 | Novel adjustable ejector |
| CN105855084A (en) * | 2016-05-16 | 2016-08-17 | 浙江大学 | Adjustable injector |
| CN206121980U (en) * | 2016-09-19 | 2017-04-26 | 西安交通大学 | Modularization sprayer |
-
2016
- 2016-09-19 CN CN201610833047.5A patent/CN106179810A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377256A (en) * | 1981-06-22 | 1983-03-22 | Gusmer Corporation | Apparatus for dispensing a mixture of mutually reactive liquids |
| CN2499130Y (en) * | 2001-09-13 | 2002-07-10 | 四川省科学城高达测控公司 | Adjustable steam spray device |
| CN1776324A (en) * | 2005-12-01 | 2006-05-24 | 上海交通大学 | Two-phase flow injector replacing refrigerator throttling element |
| CN101412011A (en) * | 2008-11-07 | 2009-04-22 | 浙江大学 | Adjustable spraying apparatus |
| CN101816986A (en) * | 2010-04-27 | 2010-09-01 | 杭州华达喷射真空设备有限公司 | Adjustable ejector nozzle and method for forming jet linear fluid |
| CN102513247A (en) * | 2011-12-31 | 2012-06-27 | 中能东讯新能源科技(大连)有限公司 | Ejector with adjustable nozzle throat area |
| CN105363588A (en) * | 2014-09-01 | 2016-03-02 | 彭光前 | Novel adjustable ejector |
| CN105855084A (en) * | 2016-05-16 | 2016-08-17 | 浙江大学 | Adjustable injector |
| CN206121980U (en) * | 2016-09-19 | 2017-04-26 | 西安交通大学 | Modularization sprayer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008154A1 (en) * | 2019-07-18 | 2021-01-21 | 中山大洋电机股份有限公司 | Ejector, and fuel cell hydrogen intake regulation and hydrogen return device applicable thereto |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |