WO2016165313A1 - 多级减压及微小流量雾化喷嘴 - Google Patents

多级减压及微小流量雾化喷嘴 Download PDF

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Publication number
WO2016165313A1
WO2016165313A1 PCT/CN2015/093706 CN2015093706W WO2016165313A1 WO 2016165313 A1 WO2016165313 A1 WO 2016165313A1 CN 2015093706 W CN2015093706 W CN 2015093706W WO 2016165313 A1 WO2016165313 A1 WO 2016165313A1
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WO
WIPO (PCT)
Prior art keywords
flow
nozzle
stage decompression
orifice plate
double
Prior art date
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PCT/CN2015/093706
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English (en)
French (fr)
Inventor
曹建峰
崔平
颜惠琴
梅华斌
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无锡职业技术学院
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Application filed by 无锡职业技术学院 filed Critical 无锡职业技术学院
Priority to US15/260,279 priority Critical patent/US10022735B2/en
Publication of WO2016165313A1 publication Critical patent/WO2016165313A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3442—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a cone having the same axis as the outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3426—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels emerging in the swirl chamber perpendicularly to the outlet axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening

Definitions

  • the multi-stage decompression and micro-flow atomization nozzle of the invention relates to a nozzle for converting a high-pressure medium into a low-pressure micro-atomization state and mixing with the second medium to achieve uniform mixing, and is particularly suitable for boiler high-pressure desuperheating water and Low pressure and high temperature steam mixing and desuperheating occasions.
  • An object of the present invention is to provide a multi-stage decompression and micro flow atomization nozzle for the above disadvantages. After the high-pressure medium enters the nozzle, it first passes through the flow control component at the back end of the nozzle to obtain a precise flow rate; then, after multi-angle decompression, and finally through the 20° rotation of the chamfered flow passage, and through the multi-stage decompression, the output is a low-pressure medium. Reduce the scouring of the nozzle and greatly improve the service life. The 20° rotating chamfer flow path is used to maximize the atomization effect of the outlet state.
  • the invention is a multi-functional nozzle integrated with flow control, multi-stage decompression and atomization medium.
  • a multi-stage decompression and micro-flow atomizing nozzle comprises a nozzle shell, a flow orifice plate, a multi-stage decompression sleeve and a double-cone nozzle head; an external thread at a rear end of the nozzle housing, an inner hole is arranged at the top of the nozzle housing, and Internal thread; the external thread at the rear end of the nozzle housing is connected with other equipment; the inner hole is equipped with a flow orifice plate, a multi-stage decompression sleeve and a double cone nozzle head; the flow orifice plate is installed at the rear end of the double cone nozzle, multi-stage reduction
  • the pressure sleeve is mounted on the flow orifice plate; the multi-stage pressure reduction sleeve is provided with a B flow orifice and a 20° rotary chamfer flow passage, and the 20° rotation chamfer angle refers to an angle between the flow passage axis and the vertical axis; the double cone surface
  • the rear end of the nozzle housing is threaded or otherwise connected.
  • the flow orifice plate is provided with an A flow hole, and the flow orifice plate is provided with at least three A flow holes, and the flow orifice plate determines the number of holes according to a specific flow rate, and the shape of the A flow hole may be a circle. Shape, square or other shape.
  • the multi-stage pressure reducing sleeve has a square or round hole shape or other shape flow passage at one end, and the flow area is the same as the flow area of the flow orifice plate.
  • the other end of the multi-stage decompression sleeve is a 20° rotating chamfer flow passage, and the 20° refers to an angle between the axis of the flow passage and the vertical axis, the chamfered area is the same as the flow area of the flow orifice plate, and the number of the chamfered flow passages may be 1 or more.
  • the outer diameter of the multi-stage decompression sleeve and the nozzle housing have a gap between the inner holes, and the total area of the gap is the same as the flow area of the flow orifice plate.
  • the tapered surface of the double-cone nozzle head has an angle of intersection of 140°, and the flow area of the middle hole is the same as the flow area of the flow orifice.
  • the double-cone nozzle head has a fixing hole on one end surface for tightening the thread, and the number is two or more.
  • the nozzle is fixed by screwing or welding or other connection
  • a multi-stage decompression and micro-flow atomizing nozzle is in operation, after the high-pressure medium enters the nozzle, first passes through the nozzle back-end flow orifice plate, then passes through the multi-stage decompression sleeve and multi-angle decompression, and finally passes through the 20° rotation chamfer flow.
  • the nozzle contains a flow orifice that can be replaced as needed for actual flow. After the medium is rotated by the multi-stage decompression and the 20° rotary chamfering flow path, the low-pressure atomizing medium flows out of the nozzle.
  • the invention controls the flow of the medium by adding a flow orifice plate, and the flow area of the flow orifice plate can be processed according to actual needs.
  • the multi-angle design of the multi-stage decompression sleeve ensures high pressure entry and low pressure output to ensure the service life of the nozzle to the utmost extent.
  • the 20° rotating chamfered flow channel and the 140° double-cone nozzle head allow the medium to be in a rotationally atomized state when ejected, allowing better mixing with the main material.
  • the integrated flow control component of the invention adopts multi-stage decompression, which can greatly improve the service life.
  • the 20° rotating chamfer flow channel is adopted to increase the atomization effect of the medium outlet, and it is convenient to uniformly mix with the high temperature and low pressure steam to save raw materials.
  • the invention is a multi-functional nozzle integrated with flow control, multi-stage decompression and atomization medium. All are replaceable and modular in design, eliminating the need for additional decompression or flow control components.
  • the present invention can fully satisfy the broader market demand.
  • the invention can adapt to more working situations such as turbine systems, boiler systems and other steam occasions, high and low pressure mixing of various media in practical applications. With the demand for improving energy efficiency, the present invention has broad prospects.
  • Figure 1 is a multistage decompression and micro flow atomization nozzle of the present invention
  • nozzle housing 1, nozzle housing, 2, flow orifice plate, 3, multi-stage decompression sleeve, 4, double cone nozzle head, 5, external thread of the casing, 6, A flow hole, 7, B flow hole, 8 , 20° rotating chamfered flow channel, 9, 140° double cone, 10, fixed hole,
  • a multi-stage decompression and micro flow atomization nozzle includes a nozzle housing 1, a flow orifice plate 2, a multi-stage decompression sleeve 3 and a double cone nozzle head 5; a nozzle housing 1 rear end external thread 5.
  • the top of the nozzle housing 1 is provided with an inner hole and an internal thread; the outer thread 5 of the nozzle housing 1 is connected with other equipment; the inner hole is provided with a flow orifice plate 2, a multi-stage decompression sleeve 3 and a double cone nozzle head.
  • the 20° rotation chamfer angle refers to an angle between the flow channel axis and the vertical axis; the double cone nozzle head 5 has an external thread matched with the internal thread of the top of the nozzle housing, and the double cone nozzle head 5 has a fixing hole; Tighten the other parts by tightening the threads through the fixing holes on the double-cone nozzle head 5.
  • the flow orifice plate 2 has an A flow hole 6 for controlling the flow rate; and the multi-stage decompression sleeve 3 has a B flow at one end.
  • the measuring hole 7 has the 20° rotating chamfering flow passage 8 at the other end; the double-cone nozzle head 4 has a 140° double-cone surface 9 at both ends, and a flow hole in the middle, and a fixing hole 10 for fastening is provided on one of the sections.
  • the flow orifice plate 2 is provided with an A flow hole 6 , and the flow orifice plate 2 is provided with at least three A flow holes 6 , and the flow orifice plate 2 determines the number of holes according to a specific flow rate, and the A flow hole
  • the shape of 6 can be circular, square or other shapes.
  • the A flow hole 6 on the flow orifice plate 2 is for controlling the flow rate, and the quantity and shape can be arranged according to the actual flow demand.
  • the multi-stage decompression sleeve 3 has a square or circular hole shape or other shape flow passage at one end, the flow area is the same as the flow area of the flow orifice plate, and the other end is a rotary chamfer flow passage 8, and the horizontal axis and the vertical axis are at an angle of 20 °, can also adjust the angle range according to the actual situation.
  • One end of the multi-stage decompression sleeve 3 is a 20° rotating chamfer flow passage 8, and the horizontal axis is at an angle of 20° with the vertical axis. In actual use, the rotation and the atomization can be appropriately adjusted.
  • the flow areas of the A flow hole 6, the B flow hole 7, the 20° rotation chamfer flow path 8, and the double cone nozzle head 4 should be the same.
  • the double-cone nozzle head 4 is screwed to the nozzle housing 1 and screwed by the fixing holes 10, or connected by other means such as welding.
  • the nozzle housing 1, the flow orifice plate 2, the multi-stage decompression sleeve 3, and the double-cone nozzle head 4 are formed by forging or bar processing, and the corresponding materials can be selected according to actual conditions and are not limited to a specific material.
  • a multi-stage decompression and micro-flow atomizing nozzle is in operation, the nozzle housing 1 is connected to an external device, the high-pressure medium first enters the flow orifice plate 2, and a certain number and shape of the A-flow orifice 6 are processed to obtain a required control flow. .
  • the high-pressure medium passes through the multi-stage decompression sleeve 3 and has the B flow hole 7 at one end, which acts as a first-order corner depressurization.
  • the multi-stage decompression is achieved by the 20° rotation chamfer 8 , and the angle of the rotation chamfer adopts the horizontal axis and The vertical axis is at an angle of 20° to achieve the best angle of rotation.
  • the double-cone nozzle head 4 adopts a 140° double-cone surface 9 at both ends, which facilitates the divergence of the rotating medium and achieves the best atomization effect.
  • the double-cone nozzle head 4 has an external thread that matches the internal thread of the nozzle housing 1, and the double-cone nozzle head 4 is tightened through the fixing hole 10.
  • the above embodiment shows a multi-stage decompression and micro-flow atomization nozzle, focusing on flow control, multi-stage decompression and atomization medium integrated solution nozzle.
  • the present invention is directed to a device for producing the same purpose and features of the present invention by using the present invention.
  • the multi-stage decompression and micro flow atomizing nozzle of the present invention saves cost and solves the problem that the nozzle is easily washed under high pressure conditions. Case. In the case of high-pressure medium mixing, high-pressure deceleration, and the like, the present invention embodies a completely new integrated solution.
  • the above-described embodiments are merely a specific embodiment of the present invention and should not be construed as limiting the description of the embodiments. Since a person skilled in the art can make a number of simple modifications and variations on the basis of the present invention, the present invention is not limited to the details of the structure, the operation and the description, and the equivalent modifications and equivalents are within the scope of the appended claims.

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Abstract

一种多级减压及微小流量雾化喷嘴，包括喷嘴壳体（1）、流量孔板（2）、多级减压套（3）和双锥面喷嘴头（4）；喷嘴壳体（1）后端设置壳体外螺纹（5），喷嘴壳体（1）顶部有内孔和内螺纹；壳体外螺纹（5）与其它设备连接；内孔安装有流量孔板（2）、多级减压套（3）和双锥面喷嘴头（4）；流量孔板（2）安装在喷嘴后端，多级减压套（3）安装在流量孔板（2）上；多级减压套（3）设置有B流量孔（7）和20°旋转切角流道（8）；双锥面喷嘴头（4）有外螺纹与喷嘴壳体（1）顶部内螺纹匹配，双锥面喷嘴头（4）上有固定孔，通过固定孔拧紧螺纹固定其它部件。该喷嘴用于将高压介质转换成低压微小雾化状态，与第二种介质混合，达到均匀混合的目的，也适用于锅炉高压减温水与低压高温蒸汽混合减温的场合。

Description

多级减压及微小流量雾化喷嘴 技术领域
本发明多级减压及微小流量雾化喷嘴涉及的是一种将高压介质转换成低压微小雾化状态，与第二种介质混合，达到均匀混合为目的的喷嘴，特别适用锅炉高压减温水与低压高温蒸汽混合减温场合。
背景技术
在石油、化工或钢铁等重工业中，经常会遇到介质高压迅速转化低压场合，多种介质以及辅料在低压工况下的精确混合，而且高压下的设备造价高昂，使用寿命很短。普通喷嘴在高压情况下冲刷严重而且没有控制流量等组件，需要另行匹配控制单元。
发明内容
本发明的目的是针对上述不足之处提供一种多级减压及微小流量雾化喷嘴。在高压介质进入喷嘴后首先通过喷嘴后端流量控制部件，得到精确流量；然后经过多转角减压，最后通过20°旋转切角流道，同时因经过多级减压，输出的是低压介质，减少喷嘴的冲刷，大幅提高使用寿命，采用20°旋转切角流道最大化保证出口状态的雾化效果。本发明是流量控制，多级减压以及雾化介质集成一体的多功能喷头。
一种多级减压及微小流量雾化喷嘴是通过以下技术方案实现的：
一种多级减压及微小流量雾化喷嘴包括喷嘴壳体、流量孔板、多级减压套和双锥面喷嘴头；喷嘴壳体后端外螺纹，喷嘴壳体顶部设置有内孔和内螺纹；喷嘴壳体后端外螺纹与其他设备连接；内孔安装有流量孔板、多级减压套和双锥面喷嘴头；流量孔板安装在双锥面喷嘴后端，多级减压套安装在流量孔板上；多级减压套设置有B流量孔和20°旋转切角流道，所述的20°旋转切角是指流道轴线与垂直轴线夹角；双锥面喷嘴头有外螺纹与喷嘴壳体顶部内螺纹匹配，双锥面喷嘴头上有固定孔；通过双锥面喷嘴头上固定孔拧紧螺纹固定其他部件。
所述的喷嘴壳体后端为螺纹或者其他连接方式。
所述的流量孔板上设置有A流量孔，所述的流量孔板上至少设置有3个A流量孔，所述流量孔板根据具体流量决定孔的数量，A流量孔的形状可以是圆形、方形或者其他形状。
所述的多级减压套一端是方形或圆孔形或其他形状流量通道，流通面积与流量孔板流通面积相同。
所述的多级减压套另一端是20°旋转切角流道，20°是指流道轴线与垂直轴线夹角，切角面积与流量孔板流通面积相同，切角流道数量可以是1条或者多条。
所述的多级减压套外圆与喷嘴壳体，内孔有间隙，间隙总面积与流量孔板流通面积相同。
所述的双锥面喷嘴头两端锥面为交角140°，中间孔流通面积与流量孔板流通面积相同。
所述的双锥面喷嘴头一端面有固定孔，用于拧紧螺纹，数量为2个或多个。
所述喷嘴的固定方式采用螺纹连接或者焊接或者其他连接方式
工作原理：
一种多级减压及微小流量雾化喷嘴在工作时，高压介质进入喷嘴后首先通过喷嘴后端流量孔板，然后经过多级减压套多转角减压，最后通过20°旋转切角流道，得到精确流量，同时因经过多级减压，输出的是低压介质。喷嘴含有流量孔板，可以根据实际流量需要更换。介质经过多级减压和20°旋转切角流道旋转后，在喷头流出低压的雾化介质。
发明优点：本发明通过加入流量孔板控制介质流量，流量孔板的流量面积可以根据实际需要加工。多级减压套的多转角设计保证高压进入，低压输出，最大限度的保证喷头的使用寿命。20°旋转切角流道和140°双锥面的喷嘴头，让介质在喷出时处于旋转雾化状态，与主料更好的混合。
本发明集成流量控制部件，采用多级减压，能大大提高使用寿命。同时采用20°旋转切角流道，增加介质出口雾化效果，便于和高温低压蒸汽均匀混合，节省原料。
本发明是流量控制，多级减压以及雾化介质集成一体的多功能喷头。全部采用可更换，模块化设计，无需另外增加减压或流量控制部件。随着市场对产品可控性和集成度要求的提高，本发明能充分满足更广的市场需求。本发明在实际应用中可以适应更多的工作场合比如透平系统、锅炉系统等蒸汽场合，多种介质的高、低压混合等。随着对提高能源利用率的要求，本发明具有广阔的前景。
附图说明
以下将结合附图对本发明作进一步说明：
图1是本发明一种多级减压及微小流量雾化喷嘴；
图中：1、喷嘴壳体，2、流量孔板，3、多级减压套，4、双锥面喷嘴头，5、壳体外螺纹，6、A流量孔，7、B流量孔，8、20°旋转切角流道，9、140°双锥面，10、固定孔，
具体实施方式
参照附图1，一种多级减压及微小流量雾化喷嘴包括喷嘴壳体1、流量孔板2、多级减压套3和双锥面喷嘴头5；喷嘴壳体1后端外螺纹5，喷嘴壳体1顶部设置有内孔和内螺纹；喷嘴壳体1后端外螺纹5与其他设备连接；内孔安装有流量孔板2、多级减压套3和双锥面喷嘴头5；流量孔板2安装在双锥面喷嘴5后端，多级减压套3安装在流量孔板2上；多级减压套3设置有B流量孔7和20°旋转切角流道8，所述的20°旋转切角是指流道轴线与垂直轴线夹角；双锥面喷嘴头5有外螺纹与喷嘴壳体顶部内螺纹匹配，双锥面喷嘴头5上有固定孔；通过双锥面喷嘴头5上固定孔拧紧螺纹固定其他部件。
所述的流量孔板2上有控制流量的A流量孔6；多级减压套3一端有B流 量孔7，另一端为20°旋转切角流道8；双锥面喷嘴头4两端为140°双锥面9，中间为流量孔，其中一段上有拧紧用固定孔10。
所述的流量孔板2上设置有A流量孔6，所述的流量孔板2上至少设置有3个A流量孔6，所述流量孔板2根据具体流量决定孔的数量，A流量孔6的形状可以是圆形、方形或者其他形状。
所述的流量孔板2上的A流量孔6，为控制流量，数量、形状可根据实际流量需求布置。
所述的多级减压套3一端是方形或圆孔形或其他形状流量通道，流通面积与流量孔板流通面积相同，另一端是旋转切角流道8，水平轴线与垂直轴线夹角20°，也可根据实际情况调整角度范围。
所述的多级减压套3一端是20°旋转切角流道8，水平轴线与垂直轴线夹角20°，实际运用中可根据旋转和雾化情况做出适当调整。
所述A流量孔6、B流量孔7、20°旋转切角流道8以及双锥面喷嘴头4四者的流通面积应一致。
所述的双锥面喷嘴头4与喷嘴壳体1采用螺纹连接，并采用固定孔10拧紧，或者采用焊接等其他方式连接。
所述喷嘴壳体1、流量孔板2，多级减压套3，和双锥面喷嘴头4采用锻件或者棒料加工成型，相应材质可根据实际情况选择不限于特定材质。
实施例：
一种多级减压及微小流量雾化喷嘴在工作时，喷嘴壳体1与外部设备相连，高压介质先进入流量孔板2，加工一定数量和形状的A流量孔6得到所需的控制流量。
高压介质通过多级减压套3一端为B流量孔7，起到一级转角降压的作用，在通过20°旋转切角8达到多级减压目的，旋转切角的角度采用水平轴线与垂直轴线夹角20°，以达到最佳旋转角度。
双锥面喷嘴头4采用两端为140°双锥面9，便于旋转介质发散，到达最佳雾化效果。双锥面喷嘴头4有外螺纹与喷嘴壳体1内螺纹匹配，通过固定孔10拧紧双锥面喷嘴头4。
上述实施例其展示的是一种多级减压及微小流量雾化喷嘴，注重是流量控制，多级减压以及雾化介质一体式解决喷头。本发明展示的是利用本发明生产类似以实现本发明的目的和特征的一种装置，本发明的一种多级减压及微小流量雾化喷嘴在于节约成本和解决高压工况下喷头容易冲刷的情况。在高压介质混合、高压减温等场合中经常出现，本发明体现一种全新的一体式解决思路，上述实施仅仅是本发明的一个具体表现，而不应视为收到实施例的描述限制。由于本领域技术人员可以通过本发明为基础进行很多简单的修改和变动，因此本发明将不限制具体到结构、操作和描述，类似适当修改或者等同物均在所附的权利要求范围内。

Claims (6)

  1. 一种多级减压及微小流量雾化喷嘴，其特征在于：包括喷嘴壳体、流量孔板、多级减压套和双锥面喷嘴头；喷嘴壳体后端外螺纹，喷嘴壳体顶部有内孔和内螺纹；喷嘴壳体后端外螺纹与其他设备连接；内孔安装有流量孔板、多级减压套和双锥面喷嘴头；流量孔板安装在双锥面喷嘴后端，多级减压套安装在流量孔板上；多级减压套设置有B流量孔和20°旋转切角流道；双锥面喷嘴头有外螺纹与喷嘴壳体顶部内螺纹匹配，双锥面喷嘴头上有固定孔；通过双锥面喷嘴头上固定孔拧紧螺纹固定其他部件。
  2. 根据权利要求1所述的一种多级减压及微小流量雾化喷嘴，其特征在于：所述的流量孔板上设置有A流量孔，所述的流量孔板上至少设置有3个A流量孔，所述流量孔板根据具体流量决定孔的数量，A流量孔的形状可以是圆形、方形或者其他形状。
  3. 根据权利要求1所述的一种多级减压及微小流量雾化喷嘴，其特征在于：多级减压套一端是方形或圆孔形或其他形状流量通道，流通面积与流量孔板流通面积相同，另一端是旋转切角，水平轴线与垂直轴线夹角20°，也可根据实际情况调整角度范围。
  4. 根据权利要求1所述的一种多级减压及微小流量雾化喷嘴，其特征在于：所述流量孔板、多级减压套和喷头三者的流通面积一致。
  5. 根据权利要求1所述的一种多级减压及微小流量雾化喷嘴，其特征在于：所述的双锥面喷嘴头两端为140°双锥面，中间为流量孔，其中一段上有拧紧用固定孔。
  6. 根据权利要求1所述的一种多级减压及微小流量雾化喷嘴，其特征在于：所述的双锥面喷嘴头与喷嘴壳体采用螺纹连接，并采用固定孔拧紧或者采用焊接等其他方式连接。
PCT/CN2015/093706 2015-04-16 2015-11-03 多级减压及微小流量雾化喷嘴 WO2016165313A1 (zh)

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