CN206121980U - Modularization sprayer - Google Patents
Modularization sprayer Download PDFInfo
- Publication number
- CN206121980U CN206121980U CN201621062930.0U CN201621062930U CN206121980U CN 206121980 U CN206121980 U CN 206121980U CN 201621062930 U CN201621062930 U CN 201621062930U CN 206121980 U CN206121980 U CN 206121980U
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- modularity
- entrance
- main burner
- section
- modularization
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Abstract
The utility model discloses a modularization sprayer, including modularization main burner, the section of breathing in, modularization mixing section and adjustment mechanism, adjustment mechanism, the section of breathing in and modularization mixing section connect gradually, adjustment mechanism is including adjusting needle and entrance, the setting of modularization main burner is in the section of breathing in, the entry end joint access section of modularization main burner, the exit end is close to the entry of modularization mixing section, adjusting the needle and including main part and the needle that extends forward from the main part, the main part part periphery of adjusting the needle is equipped with the external screw thread, the entrance is hollow tubulose, and the entrance inner wall is provided with the internal thread, is connected with the matching the external screw who adjusts the setting of needle periphery, the inside cavity of modularization main burner is with the inner chamber intercommunication of entrance, the needle of adjusting the needle passes the entrance and extends to in the modularization main burner for throat's size of adjusting module ization main burner. The utility model provides an adjustment mechanism can adjust crucial position size at the sprayer during operation for the change of the size adaptation operating mode of sprayer.
Description
Technical field
This utility model belongs to refrigeration, heats technical field, more particularly to a kind of modularity ejector.
Background technology
The characteristic of pressure rise is operated when reduced pressure, flow velocity are reduced when ejector make use of rate of flow of fluid to increase.
The high temperature of ejector porch, the main flow of high pressure flow through main burner, and flow velocity is raised, and reduced pressure produces low pressure in air-breathing intracavity
Area, sucks driven fluid.Driven fluid is sufficiently mixed with main flow Jing after driving nozzle speed-raising in uiform section mixing section.
Final mixed fluid flows through diffuser, and speed is reduced, pressure rise.In whole process, ejector make use of entrance high
The potential energy of warm high-pressure fluid so that raised by the low pressure fluid pressure of injection.
Ejector freezing, heat in technology and have relatively broad application.Wherein, ejector is used in into vapor compression system
Middle replacement choke valve, can in effectively utilizes conventional refrigeration cycle cold-producing medium restriction loss, lift suction pressure of compressor, from
And compressor power consumption is reduced, lift system performance.In the technical know-how can significantly lift system COP, particularly with R744,
The working medium of the high operating pressure such as R410A, with higher application potential.
Whether the size of ejector rationally has conclusive impact to the performance quality of refrigeration system.System condition changes
When, ejector each several part size is also required to change, makes systematic function reach optimum.But injector interior flow of fluid mechanism
Complexity, is related 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, the structure design of ejector is more difficult, the result and reality of Theoretical Calculation
Border situation error is larger, it is still necessary to carry out many experiments test to determine final rational ejector geometric parameter.For this purpose, using
It is easy to change the design of emitter construction, it is significant for experiment test and the practical application of ejector system.
Utility model content
The purpose of this utility model is to provide a kind of modularity ejector, is provided just to change ejector key dimension
Profit, to save the cost of ejector system experiment test and practical application, and improves the performance of ejector system under variable working condition.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of modularity ejector, including modularity main burner, inspiratory limb, modularity mixing section and governor motion；Adjust
Mechanism, inspiratory limb and modularity mixing section are sequentially connected；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, entrance of the port of export near 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, the inner space with entrance；The pin of metering needle is extended in modularity main burner through entrance, for adjusting
The throat dimension of section modularity main burner.
Further, it is provided with polytetrafluoroethylene sealing gasket between modularity main burner and entrance.
Further, the outlet of modularity mixing section is connected with modularity diffuser；Inspiratory limb, modularity mixing section and mould
Contact surface between massing diffuser arranges polytetrafluoroethylene sealing gasket circle.
Further, some O-ring seals are provided 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
Close between section, adjusting nut is arranged in positioning section, entrance outside is provided with external screw thread, with the regulation being arranged in positioning section
Nut screw connection connects.
Further, it is used to limit the key of minimum range between modularity main burner and modularity mixing section on entrance.
Further, some O-ring seals are provided between the main part of metering needle and entrance inwall.
Further, gas access is offered on the side wall of entrance；The outlet of modularity main burner is located in inspiratory limb other
Side is provided with suction muffler.
Relative to prior art, this utility model has the advantages that：
This utility model is designed by the important feature segmentation moduleization by ejector so that the structural change of ejector is more
Plus it is convenient, in the stage of ejector system experiment test, by cooperating between disparate modules part, can realize easily
The combination of a large amount of ejector sizes, can shorten the process-cycle needed for experiment, and for experiment facility is provided.And each modular member
Design have followed that interchangeability is strong, processing is simple, save the principles of materials, and in experiment test suitable ejector size is determined
Afterwards, in mass-production stage, the time cost and monetary cost of processing can also be saved using the design.
Designed governor motion can be adjusted when ejector works to key position size in this utility model, make
The change of the size adaptation condition of ejector is obtained, performance of the ejector under refrigeration system variable working condition is lifted.
Description of the drawings
Fig. 1 is emitter construction sketch；
Fig. 2 is modularity emitter construction schematic diagram of the present utility model；
Fig. 3 is the sectional view of ejector shown in Fig. 2.
Wherein：1st, modularity main burner；2nd, inspiratory limb；3rd, modularity mixing section；4th, modularity diffuser；5th, metering needle；
6th, entrance；7th, positioning section；8th, adjusting nut；9th, key.
Specific embodiment
This utility model is described in further detail below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1, existing ejector mainly includes 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 is raised, pressure
Power is reduced, and in air-breathing intracavity low-pressure area is produced, and sucks driven fluid.Driven fluid Jing driving nozzle speed-raising after, with main flow
It is sufficiently mixed in uiform section mixing section.Final mixed fluid flows through diffuser, and speed is reduced, pressure rise.
Refer to shown in Fig. 2 and Fig. 3, a kind of modularity ejector of this utility model, including modularity main burner 1, suction
Gas section 2, modularity mixing section 3, modularity diffuser 4 and governor motion；Governor motion, inspiratory limb 2, the and of modularity mixing section 3
Modularity diffuser 4 passes sequentially through bolt and is fixedly connected；Governor motion includes metering needle 5, entrance 6, positioning section 7, regulation spiral shell
Mother 8 and key 9；Metering needle 5 includes main part and extends forwardly into the pin in modularity main burner 1, the master of metering needle 5 from main part
Body part periphery is provided with external screw thread；Entrance 6 is hollow tubular, and entrance inwall is provided with female thread, with the periphery of metering needle 5
The external screw thread of setting is connected；The main part part of metering needle 5 is leaked outside entrance 6, can be rotated and be existed for metering needle
Position in main burner 1；Multilamellar O-ring seal is provided between the main part of metering needle 5 and the inwall of entrance 6, gas leakage is prevented.
The outside of entrance 6 is provided with external screw thread, coordinates with the adjusting nut 8 being arranged in positioning section 7, and rotating adjusting nut 8 can be real
The axial movement of existing entrance 6；The outside of entrance 6 is additionally provided with the keyway for installation key 9；Installation key 9 is used in keyway
Adjusting 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；Mould
One end of massing main burner 1 is bolted to connection on entrance 6.
Polytetrafluoroethylene sealing gasket is provided between modularity main burner 1 and entrance 6；Positioning section 3, inspiratory limb 2, module
The contact surface for changing mixing section 3 and modularity diffuser 4 arranges polytetrafluoroethylene sealing gasket circle.
The groove for being easy to O-ring seal snare is provided with modularity main burner 1, O-ring seal is provided with groove, prevented
Gas leakage between modularity main burner 1 and inspiratory limb 2.
Various sizes of modularity main burner 1, modularity mixing section 3 and modularity diffuser 4 are processed, following spray is capable of achieving
The change of emitter critical size：The throat diameter of modularity main burner 1, the scaling angle of modularity main burner 1, uiform section modularity is mixed
Close the diameter of section 3, length, and the expansion angle of modularity diffuser 4；
Using designed governor motion, ejector size can be changed in refrigeration system operation.Rotation 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 is raised, reduced pressure, are inhaling
Low-pressure area is produced in gas section 2, driven fluid is sucked.Driven fluid is mixed in modularity with main flow Jing after driving nozzle speed-raising
Close and be sufficiently mixed in section 3.Final mixed fluid flows through modularity diffuser 4, and speed is reduced, pressure rise.
Tested by consulting literatures and many experiments, the throat diameter and scaling angle, module of discovery module main burner 1
The diameter and length, the main burner of modularity main burner 1 for changing mixing section 3 is exported to the entrance of modularity mixing section 3 distance and diffusion
These form parameters of section angle are larger to the performance impact of ejector, and the structure on performance of inspiratory limb 2, gas absorption spray affects
Less, therefore to modularity main burner 1, mixed modularity mixing section 3 and the part of modularity diffuser 4 three modularity is specially employed
Design, inspiratory limb 2 is then 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 diffuser 4, so that systematic function reaches optimum.
Rotate metering needle 5 and adjusting nut 8, you can change the throat diameter of modularity main burner 1 when ejector works
The entrance distance of modularity diffuser 4 is exported to modularity main burner 1, to make system COP reach maximum under variable working condition.
Claims (8)
1. a kind of modularity ejector, it is characterised in that including 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；
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), entrance of the port of export near modularity mixing section (3)；
The pin that metering needle (5) extends forward including main part and from main part, the main part portion perimeter of metering needle (5) is provided with outer
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 matched somebody with somebody
Close connection；Modularity main burner (1) inner hollow, the inner space with entrance；The pin of metering needle (5) passes through entrance (6)
In extending to modularity main burner (1), for the throat dimension of adjustment module main burner (1).
2. a kind of modularity ejector according to claim 1, it is characterised in that modularity main burner (1) and entrance
(6) polytetrafluoroethylene sealing gasket is provided between.
3. a kind of modularity ejector according to claim 1, it is characterised in that the outlet of modularity mixing section (3) connects
It is connected to modularity diffuser (4)；Contact surface between inspiratory limb (2), modularity mixing section (3) and modularity diffuser (4) sets
Put polytetrafluoroethylene sealing gasket circle.
4. a kind of modularity ejector according to claim 1, it is characterised in that modularity main burner (1) and inspiratory limb
(2) some O-ring seals are provided between inwall.
5. a kind of modularity ejector 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) and connects
Connect.
6. a kind of modularity ejector according to claim 1, it is characterised in that be used to limit module on entrance (6)
Change the key (9) of minimum range between main burner (1) and modularity mixing section (3).
7. a kind of modularity ejector according to claim 1, it is characterised in that the main part and entrance of metering needle (5)
Some O-ring seals are provided between section (6) inwall.
8. a kind of modularity ejector according to claim 1, it is characterised in that offer on the side wall of entrance (6)
Gas access；Modularity main burner (1) outlet side is located in inspiratory limb (2) and is provided with suction muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621062930.0U CN206121980U (en) | 2016-09-19 | 2016-09-19 | Modularization sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621062930.0U CN206121980U (en) | 2016-09-19 | 2016-09-19 | Modularization sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206121980U true CN206121980U (en) | 2017-04-26 |
Family
ID=58569267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621062930.0U Active CN206121980U (en) | 2016-09-19 | 2016-09-19 | Modularization sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206121980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179810A (en) * | 2016-09-19 | 2016-12-07 | 西安交通大学 | A kind of modularity ejector |
-
2016
- 2016-09-19 CN CN201621062930.0U patent/CN206121980U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179810A (en) * | 2016-09-19 | 2016-12-07 | 西安交通大学 | A kind of modularity ejector |
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