CN2475476Y - Spray nozzle for sprayer - Google Patents
Spray nozzle for sprayer Download PDFInfo
- Publication number
- CN2475476Y CN2475476Y CN 01221942 CN01221942U CN2475476Y CN 2475476 Y CN2475476 Y CN 2475476Y CN 01221942 CN01221942 CN 01221942 CN 01221942 U CN01221942 U CN 01221942U CN 2475476 Y CN2475476 Y CN 2475476Y
- Authority
- CN
- China
- Prior art keywords
- nozzle
- plug
- neck
- section
- larynx neck
- 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
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Abstract
The utility model relates to a nozzle for an ejector. A neck radial dimension of present ejector nozzle is fixed and is not adjustable, therefore wasting resource. The utility model comprises a nozzle body, three through cavities of a contracting section, a neck and a divergent section are continuously opened inside the body, and a mandrel is arranged on a position which is combined with the contracting section, whose head is a cone, thus, the neck radial dimension of the ejector nozzle can be changed by moving the mandrel forward and backward, and the neck cross sectional area can be conveniently and flexibly controlled, therefore making the ejector work stably and saving the resource.
Description
The utility model relates to a kind of industrial injector nozzle, used nozzle in especially a kind of water vapour injector.
The water vapour injector generally includes nozzle, suction chamber and diffuser pipe.The effect of nozzle is the water vapour jet that the working vapor of high pressure low speed is changed into low-voltage high speed.Existing nozzle along central shaft to having the cavity that runs through.This cavity is divided into three sections, is followed successively by contraction section, larynx neck and expansion segment.Working vapor is entered by contraction section, is penetrated by expansion segment through the larynx neck again, reaches the purpose of water vapour decompressing speed-increasing.The radial dimension of this nozzle throat neck is fixing uncontrollable, and is to be directly proportional with the cross-sectional area of larynx neck and the pressure of working vapor by the water vapour mass flow of nozzle.Change if working vapor pressure produces fluctuation,, cause the injector job insecurity making water vapour mass flow that passive variation take place by nozzle, or the waste working vapor.If wish the injector working stability, will in the working steam supply system, stable-pressure device be set, constantly adjust, not only complicated operation also wastes energy on the other hand.Another problem in actual applications is, the required discharge pressure of injector before first condenser is relevant with the temperature of cooling water in first condenser.Variations in temperature at China's cooling water in summer in winter is bigger, makes its synchronous variation, then energy consumption minimum if can regulate the pressure of injector discharge.And the nozzle of existing injector can not be regulated because of larynx neck size, can only adopt this method that wastes time and energy of transposing nozzle.
The purpose of this utility model just provides a kind of injector nozzle that can regulate effective radial dimension of larynx neck.
The utility model is achieved in that a kind of injector nozzle, comprise nozzle body, have the cavity that runs through in the body vertically, this cavity is divided into three sections, and wherein contraction section and expansion segment are positioned at the two ends of cavity, and be cone, the top of two cones is relative, and mid portion is one section and is cylindrical larynx neck that three sections cavities communicate continuously, be provided with a plug in the position of matching with contraction section and larynx neck, the head of this plug is a cone.
A kind of injector nozzle, a section of described plug place with the corresponding steam lead of contraction section in, the afterbody of plug and the sealed end of steam lead are connected.This plug can be by manually or automatically regulating the position of plug head in the larynx neck.
After adopting this structure, effective radial dimension of the larynx neck of injector nozzle can be realized changing by moving forward and backward of plug, and is flexible.
Further specify the utility model below in conjunction with Figure of description, and provide embodiment.
Fig. 1 is a structural representation of the present utility model.
As shown in Figure 1, used nozzle comprises nozzle body 2 in a kind of water vapour injector.Nozzle body 2 along central shaft to having the cavity that runs through.This cavity is divided into three sections, is followed successively by contraction section 3, larynx neck 4 and expansion segment 5.Contraction section 3 and expansion segment 5 are cone, and the top of two cones is relative.The larynx neck 4 of mid portion is cylinder.Three sections cavities communicate continuously.Be provided with a plug 1 in the position of matching with contraction section 3 and larynx neck 4, the head 6 of this plug 1 is a cone.When work can be realized the variation of effective radial dimension of the larynx neck 4 of nozzle by moving forward and backward of plug 1 like this.Change when working vapor pressure produces fluctuation, can move forward and backward plug 1, change the position of head 6 in larynx neck 4 of the cone of plug 1, thereby change the cross-sectional area of larynx neck 4, make by the water vapour mass flow of nozzle constant.Equally, after the temperature of the cooling water in summer first in the winter condenser changes,, can change the pressure that injector is discharged, and need not change nozzle as long as change the cross-sectional area of larynx neck by the front and back position that changes plug 1.Adopt the nozzle of this structure can control the cross-sectional area of larynx neck easily and flexibly, make the injector working stability, and energy savings.
Claims (3)
1. injector nozzle, comprise nozzle body (2), body has the cavity that runs through in (2) vertically, and this cavity is divided into three sections, and wherein contraction section (3) and expansion segment (5) are positioned at the two ends of cavity, and be cone, the top of two cones is relative, and mid portion is one section and is cylindrical larynx neck (4) that three sections cavities communicate continuously, it is characterized in that the position of matching with contraction section (3) and larynx neck (4) is provided with a plug (1), the head (6) of this plug (1) is a cone.
2. a kind of injector nozzle as claimed in claim 1, it is characterized in that a section of described plug (1) place with the corresponding steam lead of contraction section (3) in, the afterbody of plug (1) and the sealed end of steam lead are connected.
3. a kind of injector nozzle as claimed in claim 1 is characterized in that described plug (1) can be by manually or automatically regulating the position of plug head (6) in larynx neck (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01221942 CN2475476Y (en) | 2001-04-28 | 2001-04-28 | Spray nozzle for sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01221942 CN2475476Y (en) | 2001-04-28 | 2001-04-28 | Spray nozzle for sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2475476Y true CN2475476Y (en) | 2002-02-06 |
Family
ID=33639015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01221942 Expired - Lifetime CN2475476Y (en) | 2001-04-28 | 2001-04-28 | Spray nozzle for sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2475476Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100581707C (en) * | 2007-08-16 | 2010-01-20 | 上海交通大学 | Supersonic speed nozzle for laser cutting |
| 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 |
| CN104740814A (en) * | 2015-03-27 | 2015-07-01 | 江苏金博消防器材有限公司 | Movable type foam fire-fighting equipment |
| CN105346054A (en) * | 2015-12-12 | 2016-02-24 | 浙江百纳橡塑设备有限公司 | Rubber extruding and spraying device |
| CN106670001A (en) * | 2016-09-07 | 2017-05-17 | 中国神华能源股份有限公司 | Nozzle assembly |
| CN109011261A (en) * | 2018-10-11 | 2018-12-18 | 中国民用航空总局第二研究所 | Environmentally friendly aircraft hand fire extinguisher |
-
2001
- 2001-04-28 CN CN 01221942 patent/CN2475476Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100581707C (en) * | 2007-08-16 | 2010-01-20 | 上海交通大学 | Supersonic speed nozzle for laser cutting |
| 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 |
| CN101816986B (en) * | 2010-04-27 | 2012-11-07 | 杭州华达喷射真空设备有限公司 | Adjustable ejector nozzle and method for forming jet linear fluid |
| CN104740814A (en) * | 2015-03-27 | 2015-07-01 | 江苏金博消防器材有限公司 | Movable type foam fire-fighting equipment |
| CN104740814B (en) * | 2015-03-27 | 2018-10-12 | 兴化市天东软件科技有限公司 | A kind of mobile foam fire-extinguishing apparatus |
| CN105346054A (en) * | 2015-12-12 | 2016-02-24 | 浙江百纳橡塑设备有限公司 | Rubber extruding and spraying device |
| CN106670001A (en) * | 2016-09-07 | 2017-05-17 | 中国神华能源股份有限公司 | Nozzle assembly |
| CN106670001B (en) * | 2016-09-07 | 2019-04-05 | 中国神华能源股份有限公司 | Nozzle assembly |
| CN109011261A (en) * | 2018-10-11 | 2018-12-18 | 中国民用航空总局第二研究所 | Environmentally friendly aircraft hand fire extinguisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Huada Eject Vacuum Equipment Co., Ltd. Assignor: Hu Zaiding Contract fulfillment period: 2006.4.28 to 2011.4.27 Contract record no.: 2009330000587 Denomination of utility model: Spray nozzle for sprayer Granted publication date: 20020206 License type: Exclusive license Record date: 20090410 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.4.28 TO 2011.4.27; CHANGE OF CONTRACT Name of requester: HANGZHOU HUADA SPRAYING VACUUM EQUIPMENT CO., LTD. Effective date: 20090410 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110428 Granted publication date: 20020206 |