CN101829639A - Injector with adjustable distance between nozzle and mixing chamber inlet and adjustable nozzle critical sectional area - Google Patents
Injector with adjustable distance between nozzle and mixing chamber inlet and adjustable nozzle critical sectional area Download PDFInfo
- Publication number
- CN101829639A CN101829639A CN 201010186622 CN201010186622A CN101829639A CN 101829639 A CN101829639 A CN 101829639A CN 201010186622 CN201010186622 CN 201010186622 CN 201010186622 A CN201010186622 A CN 201010186622A CN 101829639 A CN101829639 A CN 101829639A
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- nozzle
- valve body
- mixing chamber
- injector
- sleeve pipe
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Abstract
The invention discloses an injector with an adjustable distance between a nozzle and a mixing chamber inlet and an adjustable nozzle critical sectional area. The injector comprises a valve body and an injector body which is connected with the front end of the valve body and is provided with a mixing chamber and a driving fluid inlet, wherein a guide sleeve is arranged in the injector body and is communicated with an inner cavity of the valve body; a valve rod is axially arranged in the valve body and the guide sleeve; the back end of the valve body is provided with a nut; the valve rod is in threaded connection with the nut; the front end of the guide sleeve is provided with the nozzle and a valve core; the valve core is connected with the front end of the valve rod; the back end of the nozzle is connected with a sleeve provided with inside threads; the valve core is provided with a rotating wheel of which the rim is provided with outside threads; the sleeve is movably arranged in a guide groove on an inner wall of the guide sleeve through a sliding key; and the rotating wheel is connected with the sleeve through the threads. The injector has the advantages of adjustable distance between the nozzle and the mixing chamber inlet, adjustable nozzle critical sectional area, high injection efficiency, good energy-saving effect and wide application range.
Description
Technical field
The present invention relates to a kind of injector, be specifically related to the long-pending adjustable injector of a kind of nozzle and mixing chamber inlet distance and critical throat section.
Background technology
The injector of working under rigid condition has only been given play to maximum efficient at the condition of work Shi Caihui that meets design requirement.When the parameter drift-out design parameter of work, injection and fluid-mixing, if there is not artificial timely adjusting, ejector efficiency will sharply reduce.In order to improve ejector efficiency, must be adjusted.Currently used regulative mode mainly contains two kinds: a kind of is the valve of regulating on the working fluid pipeline; A kind of is the throat area that changes main jet, and this adjusting can realize by a tapered rod (pin) that extend in the nozzle.Adopting injector of a plurality of compact injectors replacement in parallel is the special case of a kind of regulative mode in back.In above-mentioned control method, the valve that turns down on the working fluid pipeline can cause restriction loss, and the acting ability of working fluid will reduce.Adopt a plurality of compact injectors method of an injector that replaces in parallel then can make device complicated.
Summary of the invention
The objective of the invention is deficiency, nozzle and the mixing chamber inlet distance and the long-pending adjustable injector of critical throat section of a kind of high efficiency, applied range, good energy-conserving effect is provided at the prior art existence.
Technical scheme of the present invention is: a kind of nozzle and mixing chamber inlet distance and the long-pending adjustable injector of critical throat section, comprise the valve body that is provided with the working fluid import and be connected with the valve body front end and be provided with the ejector body of mixing chamber and driving fluid import, it is characterized in that: be provided with fairlead in the described ejector body, fairlead and described valve body be positioned on the same axis and with the intracavity inter-connection of valve body, one valve rod axially is set in described valve body and the fairlead, the rear end of valve body is provided with nut, described valve rod is connected with nut thread, the front end of described fairlead is provided with nozzle and the spool relative with nozzle, spool is connected with the front end of valve rod, the fixedly connected sleeve pipe that has feather key and internal thread in the rear end of described nozzle, be set with screwed runner on the wheel rim on the described spool, described sleeve pipe moves by feather key in the guide groove that is arranged on the fairlead inwall, and described runner rotates to be arranged in the sleeve pipe and by screw thread and is connected with sleeve pipe; The pitch of described nut is greater than the thread pitch of sleeve pipe, and the internal thread of nut is identical with the internal thread direction of sleeve pipe.
Be provided with seal between described valve rear end inwall and the valve rod.
The rear port of described valve body is provided with seal gland.
Described seal gland is threaded with valve body.
The present invention compared with prior art has the following advantages:
(1) injector nozzle of the present invention and mixing chamber inlet distance and critical throat section are long-pending adjustable, high efficiency;
(2) applied range owing to have regulatory function, makes and can not use the occasion of injector might use injector because of not satisfying the technological parameter requirement;
(3) working fluid consumption is few, and energy-saving effect is remarkable.
Below by the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the syndeton schematic diagram of spool of the present invention, nozzle, sleeve pipe, feather key, runner and guide groove.
Description of reference numerals:
The 1-valve rod; The 2-nut; The 3-sealing gland;
The 4-seal; The 5-valve body; The 6-fairlead;
The 7-spool; The 8-nozzle; The 9-ejector body;
The import of 10-working fluid; The 11-mixing chamber; The import of 12-driving fluid;
The 13-guide groove; The 14-runner; The 15-sleeve pipe;
The 16-feather key.
The specific embodiment
As shown in Figure 1, the present invention includes the ejector body 9 that the valve body 5 that is provided with working fluid import 10 is connected with front end with valve body 5 and is provided with mixing chamber 11 and driving fluid import 12, be provided with fairlead 6 in the described ejector body 9, fairlead 6 and described valve body 5 be positioned on the same axis and with the intracavity inter-connection of valve body 5, working fluid enters fairlead 6 by the inner chamber of working fluid import 10 and valve body 5, in valve body 5 and fairlead 6, axially be provided with a valve rod 1, be provided with nut 2 in the rear end of valve body 5, valve rod 1 passes the screw of nut 2 and is connected with nut 2 by screw thread, be provided with nozzle 8 and the spool 7 relative at the front end of fairlead 6 with nozzle 8, spool 7 is connected with the front end of valve rod 1, the fixedly connected sleeve pipe 15 that has internal thread in the rear end of nozzle 8, be set with screwed runner 14 on the wheel rim on the spool 7, described sleeve pipe 15 moves in the guide groove 13 that is arranged on fairlead 6 inwalls by feather key, described runner 14 rotates to be arranged in the sleeve pipe 15 and by screw thread and is connected with sleeve pipe 15, the pitch of described nut 2 is greater than the thread pitch of sleeve pipe 15, and the internal thread of nut 2 is identical with the internal thread direction of sleeve pipe 15.
For preventing that working fluid from leaking from valve rear end, between valve body 5 rear end inwalls and valve rod 1, be provided with seal 4.
For guaranteeing that seal 4 position does not at work change, prevent that seal 4 from being come off by the rear port of valve body 5, the rear port of valve body 5 is provided with seal gland 3, and seal gland 3 and valve body 5 are by being threaded.
Claims (4)
1. the long-pending adjustable injector of nozzle and mixing chamber inlet distance and critical throat section, comprise the valve body (5) that is provided with working fluid import (10) and be connected with valve body (5) front end and be provided with the ejector body (9) of mixing chamber (11) and driving fluid import (12), it is characterized in that: be provided with fairlead (6) in the described ejector body (9), fairlead (6) and described valve body (5) be positioned on the same axis and with the intracavity inter-connection of valve body (5), in described valve body (5) and the fairlead (6) valve rod (1) is set axially, the rear end of valve body (5) is provided with nut (2), described valve rod (1) is threaded with nut (2), the front end of described fairlead (6) is provided with nozzle 8 and the spool (7) relative with nozzle 8, spool (7) is connected with the front end of valve rod (1), the fixedly connected sleeve pipe (15) that has feather key (16) and internal thread in the rear end of described nozzle (8), be set with screwed runner (14) on the wheel rim on the described spool (7), described sleeve pipe (15) moves by feather key (16) in the guide groove (13) that is arranged on fairlead (6) inwall, and described runner (14) rotates to be arranged in the sleeve pipe (15) and by screw thread and is connected with sleeve pipe (15); The pitch of described nut (2) is greater than the thread pitch of sleeve pipe (15), and the internal thread of nut (2) is identical with the internal thread direction of sleeve pipe (15).
2. nozzle according to claim 1 and mixing chamber inlet distance and the long-pending adjustable injector of critical throat section is characterized in that: be provided with seal (4) between described valve body (5) rear end inwall and the valve rod (1).
3. nozzle according to claim 2 and mixing chamber inlet distance and the long-pending adjustable injector of critical throat section, it is characterized in that: the rear port of described valve body (5) is provided with seal gland (3).
4. nozzle according to claim 3 and mixing chamber inlet distance and the long-pending adjustable injector of critical throat section, it is characterized in that: described seal gland (3) is threaded with valve body (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010186622XA CN101829639B (en) | 2010-05-28 | 2010-05-28 | Injector with adjustable distance between nozzle and mixing chamber inlet and adjustable nozzle critical sectional area |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010186622XA CN101829639B (en) | 2010-05-28 | 2010-05-28 | Injector with adjustable distance between nozzle and mixing chamber inlet and adjustable nozzle critical sectional area |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101829639A true CN101829639A (en) | 2010-09-15 |
CN101829639B CN101829639B (en) | 2012-04-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201010186622XA Expired - Fee Related CN101829639B (en) | 2010-05-28 | 2010-05-28 | Injector with adjustable distance between nozzle and mixing chamber inlet and adjustable nozzle critical sectional area |
Country Status (1)
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CN (1) | CN101829639B (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102927063A (en) * | 2012-10-16 | 2013-02-13 | 中国核电工程有限公司 | Adjustable and replaceable ejector |
CN104374110A (en) * | 2014-11-26 | 2015-02-25 | 珠海格力电器股份有限公司 | Refrigerating system and ejector thereof |
CN105134983A (en) * | 2015-09-07 | 2015-12-09 | 发基化学品(张家港)有限公司 | Valve with atomizing nozzle |
CN107115986A (en) * | 2017-06-19 | 2017-09-01 | 桂林航天工业学院 | Adjustable spraying apparatus |
CN108981223A (en) * | 2018-09-17 | 2018-12-11 | 天津商业大学 | Injection supercooling refrigeration system |
CN109701791A (en) * | 2018-12-27 | 2019-05-03 | 集美大学 | A kind of structure of adjustable injector nozzle position |
CN109869359A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Steam jet ejector |
CN109869356A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Electric steam injector |
CN113432879A (en) * | 2021-06-23 | 2021-09-24 | 中国航发沈阳发动机研究所 | Injection device |
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RU2087207C1 (en) * | 1995-08-14 | 1997-08-20 | Акционерное общество закрытого типа "ТОТЕМ" | Apparatus for applying powder coats |
RU2102160C1 (en) * | 1993-06-22 | 1998-01-20 | Сухонин Сергей Данилович | Sprayer |
US6173916B1 (en) * | 1994-12-15 | 2001-01-16 | Eco-Snow Systems, Inc. | CO2jet spray nozzles with multiple orifices |
CN1499158A (en) * | 2002-10-25 | 2004-05-26 | ��ʽ�����װ | Injector with throttle variable nozzle and injector circulation using such injector |
CN101121156A (en) * | 2006-08-07 | 2008-02-13 | 德尔菲技术公司 | High performance kinetic spray nozzle |
WO2009011342A1 (en) * | 2007-07-13 | 2009-01-22 | Kagoshima University | Spray gun and its control system |
CN201705741U (en) * | 2010-05-28 | 2011-01-12 | 杜战奇 | Sprayer capable of adjusting the distance between a nozzle and a mixing chamber inlet and the nozzle critical section |
-
2010
- 2010-05-28 CN CN201010186622XA patent/CN101829639B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2102160C1 (en) * | 1993-06-22 | 1998-01-20 | Сухонин Сергей Данилович | Sprayer |
US6173916B1 (en) * | 1994-12-15 | 2001-01-16 | Eco-Snow Systems, Inc. | CO2jet spray nozzles with multiple orifices |
RU2087207C1 (en) * | 1995-08-14 | 1997-08-20 | Акционерное общество закрытого типа "ТОТЕМ" | Apparatus for applying powder coats |
CN1499158A (en) * | 2002-10-25 | 2004-05-26 | ��ʽ�����װ | Injector with throttle variable nozzle and injector circulation using such injector |
CN101121156A (en) * | 2006-08-07 | 2008-02-13 | 德尔菲技术公司 | High performance kinetic spray nozzle |
JP2008073685A (en) * | 2006-08-07 | 2008-04-03 | Delphi Technologies Inc | High performance kinetic spray nozzle |
WO2009011342A1 (en) * | 2007-07-13 | 2009-01-22 | Kagoshima University | Spray gun and its control system |
CN201705741U (en) * | 2010-05-28 | 2011-01-12 | 杜战奇 | Sprayer capable of adjusting the distance between a nozzle and a mixing chamber inlet and the nozzle critical section |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102927063A (en) * | 2012-10-16 | 2013-02-13 | 中国核电工程有限公司 | Adjustable and replaceable ejector |
CN104374110A (en) * | 2014-11-26 | 2015-02-25 | 珠海格力电器股份有限公司 | Refrigerating system and ejector thereof |
CN105134983A (en) * | 2015-09-07 | 2015-12-09 | 发基化学品(张家港)有限公司 | Valve with atomizing nozzle |
CN107115986A (en) * | 2017-06-19 | 2017-09-01 | 桂林航天工业学院 | Adjustable spraying apparatus |
CN107115986B (en) * | 2017-06-19 | 2023-04-07 | 桂林航天工业学院 | Adjustable ejector |
CN109869359A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Steam jet ejector |
CN109869356A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Electric steam injector |
CN108981223A (en) * | 2018-09-17 | 2018-12-11 | 天津商业大学 | Injection supercooling refrigeration system |
CN109701791A (en) * | 2018-12-27 | 2019-05-03 | 集美大学 | A kind of structure of adjustable injector nozzle position |
CN113432879A (en) * | 2021-06-23 | 2021-09-24 | 中国航发沈阳发动机研究所 | Injection device |
Also Published As
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Granted publication date: 20120425 Termination date: 20210528 |