CN108580076A - A kind of atomization nozzle and the atomization nozzle using the atomization nozzle - Google Patents
A kind of atomization nozzle and the atomization nozzle using the atomization nozzle Download PDFInfo
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- CN108580076A CN108580076A CN201810403859.5A CN201810403859A CN108580076A CN 108580076 A CN108580076 A CN 108580076A CN 201810403859 A CN201810403859 A CN 201810403859A CN 108580076 A CN108580076 A CN 108580076A
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- 238000000889 atomisation Methods 0.000 title abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 97
- 239000010410 layer Substances 0.000 claims description 13
- 239000002356 single layer Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- 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
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
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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
- 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
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber
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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
- 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
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
- B05B7/045—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber the gas and liquid flows being parallel just upstream the mixing chamber
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- Nozzles (AREA)
Abstract
本发明公开了一种内雾化喷嘴及使用该内雾化喷嘴的内雾化喷头，该内雾化喷嘴包括喷嘴本体，该喷嘴本体上设有气流通道和液体通道，气流通道与液体通道呈夹角布置，且气流通道与液体通道在内雾化喷嘴内部相交，液体通道内的液体被气流通道中的气流雾化后向外喷出。本发明待雾化液体介质在喷头内部实现雾化，能够有效减少雾化喷头外部污染对雾化效果的影响。
The invention discloses an inner atomizing nozzle and an inner atomizing nozzle using the inner atomizing nozzle. The inner atomizing nozzle includes a nozzle body, and the nozzle body is provided with an air flow channel and a liquid channel. Arranged at an included angle, and the air flow channel intersects the liquid channel inside the inner atomizing nozzle, and the liquid in the liquid channel is sprayed outward after being atomized by the air flow in the air flow channel. In the present invention, the liquid medium to be atomized is atomized inside the nozzle, which can effectively reduce the influence of the external pollution of the atomizing nozzle on the atomization effect.
Description
技术领域technical field
本发明涉及一种内雾化喷嘴及使用该内雾化喷嘴的内雾化喷头，属于流体机械领域。The invention relates to an inner atomizing nozzle and an inner atomizing nozzle using the inner atomizing nozzle, belonging to the field of fluid machinery.
背景技术Background technique
雾化喷头是一种常用流体机械设备，广泛用于液体火箭发动机点火系统、火箭发动机试验台冷却系统、发射喷水降温降噪系统、石油化工催化设备、农林灌溉系统、工业粉尘净化系统、火力发电厂脱硫除尘设备以及大气治污净化系统。Atomizing nozzle is a common fluid mechanical equipment, widely used in liquid rocket engine ignition system, rocket engine test bench cooling system, launching water spray cooling and noise reduction system, petrochemical catalytic equipment, agricultural and forestry irrigation system, industrial dust purification system, firepower Power plant desulfurization and dust removal equipment and air pollution control and purification system.
雾化喷头的雾化效率历来是火箭发动机点火系统、石油化工催化设备、脱硫除尘设备等关注的问题。雾化喷头实现原理是在待雾化介质添加特殊成份促进介质雾化。常规的雾化喷头在雾化喷头外通过高速气流对液体介质进行雾化。这种雾化喷头容易由于喷头外部污染堵塞高速气流出口，从而降低雾化效果。The atomization efficiency of atomizing nozzles has always been a concern of rocket engine ignition systems, petrochemical catalytic equipment, desulfurization and dust removal equipment, etc. The realization principle of the atomizing nozzle is to add special ingredients to the medium to be atomized to promote the atomization of the medium. The conventional atomizing nozzle atomizes the liquid medium through a high-speed airflow outside the atomizing nozzle. This kind of atomizing nozzle is easy to block the high-speed air outlet due to the external pollution of the nozzle, thereby reducing the atomization effect.
发明内容Contents of the invention
本发明的技术解决问题是：克服现有技术的不足，提供一种内雾化喷嘴及使用该内雾化喷嘴的内雾化喷头，待雾化液体介质在喷头内部实现雾化，能够有效减少雾化喷头外部污染对雾化效果的影响。The technical problem of the present invention is: to overcome the deficiencies of the prior art, to provide an inner atomizing nozzle and an inner atomizing nozzle using the inner atomizing nozzle, the liquid medium to be atomized is atomized inside the nozzle, which can effectively reduce the Influence of external pollution of atomizing nozzle on atomization effect.
本发明的技术解决方案是：一种内雾化喷嘴，包括喷嘴本体，所述喷嘴本体上设有气流通道和液体通道，所述气流通道与液体通道呈夹角布置，且气流通道与液体通道在内雾化喷嘴内部相交，液体通道内的液体被气流通道中的气流雾化后向外喷出。The technical solution of the present invention is: an internal atomization nozzle, including a nozzle body, the nozzle body is provided with an air flow channel and a liquid channel, the air flow channel and the liquid channel are arranged at an angle, and the air flow channel and the liquid channel The interior of the inner atomizing nozzle intersects, and the liquid in the liquid channel is atomized by the air flow in the air flow channel and sprayed outward.
所述液体通道设置在喷嘴本体中心位置，所述气流通道有多个，多个气流通道呈单层环形阵列或多层环形阵列布置，每层环形阵列中的气流通道均匀分布在液体通道的周边。The liquid passage is set at the center of the nozzle body, and there are multiple air passages, the multiple air passages are arranged in a single-layer annular array or a multi-layer annular array, and the air passages in each annular array are evenly distributed around the periphery of the liquid passage .
所述喷嘴本体上还设有蓄气环，所述蓄气环与气流通道连通。The nozzle body is also provided with a gas storage ring, and the gas storage ring communicates with the air flow channel.
所述气流通道设置在喷嘴本体中心位置，所述液体通道有多个，多个液体通道呈单层环形阵列或多层环形阵列布置，每层环形阵列中的液体通道均匀分布在气流通道的周边。The air flow channel is arranged at the center of the nozzle body, and there are multiple liquid channels, and the multiple liquid channels are arranged in a single-layer annular array or a multi-layer annular array, and the liquid channels in each layer of annular array are evenly distributed around the air flow channel .
所述喷嘴本体上还设有蓄液环，所述蓄液环与液体通道连通。The nozzle body is also provided with a liquid storage ring, and the liquid storage ring communicates with the liquid channel.
所述喷嘴本体包括一体成型的第一本体部和第二本体部，所述第一本体部呈圆台形，所述第二本体部呈圆柱形，第一本体部与第二本体部同轴布置。The nozzle body includes a first body part and a second body part integrally formed, the first body part is in the shape of a truncated cone, the second body part is in the shape of a cylinder, and the first body part and the second body part are coaxially arranged .
使用所述内雾化喷嘴的内雾化喷头，还包括喷头连接件和外壳，所述内雾化喷嘴通过喷头连接件连接在外壳上，所述喷头连接件上开设有气流通孔和液体通孔，所述气流通孔的一端与内雾化喷嘴上的气流通道相连通，气流通孔的另一端通过供气管件与外部气源连接，所述液体通孔的一端与内雾化喷嘴上的液体通道相连通，液体通孔的另一端通过供液管件与待雾化液体连接。The inner atomizing nozzle using the inner atomizing nozzle also includes a nozzle connector and a housing, the inner atomizing nozzle is connected to the housing through the nozzle connector, and the nozzle connector is provided with an air flow hole and a liquid passage. One end of the air flow hole is connected to the air flow channel on the inner atomizing nozzle, the other end of the air flow hole is connected to the external air source through the air supply pipe, and one end of the liquid through hole is connected to the inner atomizing nozzle. The liquid channel is connected, and the other end of the liquid through hole is connected with the liquid to be atomized through the liquid supply pipe.
与现有技术相比，本发明具有如下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
(1)本发明通过设计内雾化喷嘴，使气流通道和液体通道在喷嘴内部相交，即气流通道出口位于液体通道内或液体通道出口位于气流通道内，使得液体通道内的待雾化液体在喷嘴内部即被雾化，然后喷出，相对于传统在喷嘴外雾化的方式，有效避免了喷头外部污染堵塞高速气流出口，保证了雾化效果。(1) The present invention makes the air flow channel and the liquid channel intersect inside the nozzle by designing the inner atomizing nozzle, that is, the outlet of the air flow channel is located in the liquid channel or the outlet of the liquid channel is located in the air flow channel, so that the liquid to be atomized in the liquid channel is in the The inside of the nozzle is atomized and then sprayed out. Compared with the traditional method of atomizing outside the nozzle, it effectively avoids the external pollution of the nozzle from blocking the high-speed air outlet and ensures the atomization effect.
(2)本发明将气流通道或液体通道设置为多层环形阵列，多层次对待雾化液体进行雾化，提高了雾化效率和雾化速度，保证了液体的全面雾化。(2) In the present invention, the air flow channel or the liquid channel is arranged as a multi-layer annular array, and the liquid to be atomized is atomized in multiple layers, which improves the atomization efficiency and atomization speed, and ensures the comprehensive atomization of the liquid.
(3)本发明通过蓄气环为多层环形阵列气流通道供气，确保各个气流通道压力均匀，保证了雾化效果。(3) The present invention supplies air to the multi-layer annular array airflow channels through the gas storage ring, so as to ensure that the pressure of each airflow channel is uniform and the atomization effect is ensured.
(4)本发明通过蓄液环为多层环形阵列液体通道供气，确保各个液体通道压力均匀，保证了雾化效果。(4) The present invention supplies gas to the liquid channels of the multi-layer annular array through the liquid storage ring to ensure that the pressure of each liquid channel is uniform and the atomization effect is guaranteed.
附图说明Description of drawings
图1为本发明第一种实现方式的内雾化喷头示意图；Fig. 1 is a schematic diagram of the internal atomization nozzle of the first implementation of the present invention;
图2为本发明内雾化喷嘴的俯视图和剖视图，其中(a)为俯视图，(b)为A‐A截面剖视图，(c)为B‐B截面剖视图；Fig. 2 is a top view and a sectional view of the inner atomizing nozzle of the present invention, wherein (a) is a top view, (b) is an A-A sectional view, and (c) is a B-B sectional view;
图3为本发明高速气流与待雾化低速液体介质掺混内雾化原理图；Fig. 3 is a principle diagram of atomization in the mixing of high-speed air flow and low-speed liquid medium to be atomized in the present invention;
图4为本发明第一种实现方式的内雾化喷头示意图；Fig. 4 is a schematic diagram of the internal atomization nozzle of the first implementation of the present invention;
图5为内雾化喷头组装结构示意图；Figure 5 is a schematic diagram of the assembly structure of the inner atomizing nozzle;
图6为本发明第二种实现方式的内雾化喷嘴示意图；；Fig. 6 is a schematic diagram of the inner atomizing nozzle of the second implementation mode of the present invention;
图7为本发明第二种实现方式的内雾化喷头示意图。Fig. 7 is a schematic diagram of an inner atomizing nozzle in a second implementation manner of the present invention.
具体实施方式Detailed ways
为了克服现有常规雾化喷头在喷嘴外雾化容易堵塞而降低雾化效果的现状，本发明提出一种内雾化喷嘴，有两种实现方式，其中第一种实现方式如图1所示，包括喷嘴本体1，喷嘴本体1上设有气流通道2和液体通道3，气流通道2与液体通道3呈夹角布置，气流通道2出口位于液体通道3内，从气流通道2喷出的气流在液体通道3内将液体雾化后喷出。In order to overcome the current situation that the existing conventional atomizing nozzles are easy to block when atomizing outside the nozzle and reduce the atomization effect, the present invention proposes an internal atomizing nozzle, which has two implementation methods, and the first implementation method is shown in Figure 1 , including the nozzle body 1, the nozzle body 1 is provided with an air flow channel 2 and a liquid channel 3, the air flow channel 2 and the liquid channel 3 are arranged at an angle, the outlet of the air flow channel 2 is located in the liquid channel 3, and the air flow ejected from the air flow channel 2 The liquid is atomized in the liquid channel 3 and sprayed out.
液体通道3设置在喷嘴本体1中心位置，所述气流通道2有多个，构成单层环形阵列或多层环形阵列，每层环形阵列中的气流通道均匀分布在液体通道3的周边。The liquid passage 3 is arranged at the center of the nozzle body 1, and there are multiple air passages 2, forming a single-layer annular array or a multi-layer annular array, and the air passages in each annular array are evenly distributed around the periphery of the liquid passage 3.
喷嘴本体1上还设有蓄气环4，所述蓄气环与气流通道2连通。The nozzle body 1 is also provided with an air accumulator ring 4 , and the air accumulator ring communicates with the air flow channel 2 .
如图2所示为本发明内雾化喷嘴的俯视图和剖视图，其中(a)为俯视图，(b)为A‐A截面剖视图，(c)为B‐B截面剖视图。As shown in Figure 2, it is a top view and a cross-sectional view of the inner atomizing nozzle of the present invention, wherein (a) is a top view, (b) is a cross-sectional view of A-A, and (c) is a cross-sectional view of B-B.
如图3所述，为上述内雾化喷嘴的雾化原理图。其中11为低速液体介质，12为雾化介质，13为高速气流介质，在雾化介质的作用下，待雾化低速液体介质被高速气流介质在液体通道内雾化后喷出。As shown in FIG. 3 , it is an atomization principle diagram of the above-mentioned internal atomization nozzle. Among them, 11 is a low-speed liquid medium, 12 is an atomizing medium, and 13 is a high-speed airflow medium. Under the action of the atomizing medium, the low-speed liquid medium to be atomized is sprayed out after being atomized by the high-speed airflow medium in the liquid channel.
如图4所示，喷嘴本体1包括一体成型的第一本体部101和第二本体部102，所述第一本体部呈圆台形，第二本体部呈圆柱形，第一本体部与第二本体部同轴布置。液体通道3沿第一、二本体部的轴线布置，所述蓄气环4位于第二本体部。蓄气环4为设置在第二本体部102的环形凹槽。As shown in Figure 4, the nozzle body 1 includes an integrally formed first body part 101 and a second body part 102, the first body part is in the shape of a truncated cone, the second body part is in the shape of a cylinder, and the first body part and the second body part are The body part is coaxially arranged. The liquid channel 3 is arranged along the axes of the first and second body parts, and the gas storage ring 4 is located at the second body part. The gas storage ring 4 is an annular groove disposed on the second body part 102 .
使用所述内雾化喷嘴的内雾化喷头，包括内雾化喷嘴、喷头连接件5和外壳6，内雾化喷嘴通过喷头连接件5连接在外壳6上，喷头连接件上开设有气流通孔9和液体通孔10，所述气流通孔的一端与内雾化喷嘴上的蓄气环4相连通，气流通孔的另一端通过供气管件7与外部气源连接，液体通孔10的一端与内雾化喷嘴上的液体通道相连通，液体通孔的另一端通过供液管件8与待雾化液体连接。The inner atomizing nozzle using the inner atomizing nozzle includes an inner atomizing nozzle, a nozzle connector 5 and a housing 6, the inner atomizing nozzle is connected to the housing 6 through the nozzle connector 5, and an air flow is provided on the nozzle connector. Hole 9 and liquid through hole 10, one end of the air flow hole communicates with the gas storage ring 4 on the inner atomizing nozzle, the other end of the air flow hole is connected to the external air source through the air supply pipe 7, and the liquid through hole 10 One end of the hole communicates with the liquid channel on the inner atomizing nozzle, and the other end of the liquid through hole is connected with the liquid to be atomized through the liquid supply pipe 8.
喷头连接件5的一端设有圆形凹槽，雾化喷嘴的第二本体部102设置在所述圆形凹槽内，喷头连接件的另一端固定在外壳端口内。One end of the nozzle connector 5 is provided with a circular groove, the second body part 102 of the atomizing nozzle is disposed in the circular groove, and the other end of the nozzle connector is fixed in the port of the shell.
本发明气流通道和液体通道可以互换，因此另外一种实现方式如图6所示，喷嘴本体1上设有气流通道2和液体通道3，气流通道2与所述液体通道3呈夹角布置，液体通道3出口位于气流通道2内，从液体通道3喷出的液体被气流通道2内的气体雾化后喷出。The air flow channel and the liquid channel of the present invention can be interchanged, so another implementation is shown in Figure 6, the nozzle body 1 is provided with an air flow channel 2 and a liquid channel 3, and the air flow channel 2 and the liquid channel 3 are arranged at an angle , the outlet of the liquid channel 3 is located in the air flow channel 2, and the liquid ejected from the liquid channel 3 is sprayed after being atomized by the gas in the air flow channel 2.
气流通道2设置在喷嘴本体1中心位置，液体通道3包含多个，设置为单层环形阵列或多层环形阵列，每层环形阵列中的液体通道均匀分布在气流通道2的周边。The airflow channel 2 is set at the center of the nozzle body 1, and the liquid channel 3 consists of multiple, arranged in a single-layer annular array or a multi-layer annular array, and the liquid channels in each layer of annular array are evenly distributed around the airflow channel 2.
喷嘴本体1上还设有与液体通道3连通的蓄液环4’。蓄液环4’为设置在第二本体部102的环形凹槽。The nozzle body 1 is also provided with a liquid storage ring 4' communicating with the liquid passage 3. The liquid storage ring 4' is an annular groove arranged on the second body part 102.
此时，内雾化喷头中，喷头连接件上气流通孔9的一端与雾化喷嘴上的气流通道相连通，气流通孔的另一端通过供气管件7与外部气源连接，液体通孔10的一端与雾化喷嘴上的蓄液环4’相连通，液体通孔的另一端通过供液管件8与待雾化液体连接。如图7所示。其余设计与第一种实现方式相同。At this time, in the inner atomizing nozzle, one end of the air flow hole 9 on the nozzle connector is connected with the air flow channel on the atomizing nozzle, and the other end of the air flow hole is connected to the external air source through the air supply pipe 7, and the liquid through hole One end of 10 communicates with the liquid storage ring 4 ′ on the atomizing nozzle, and the other end of the liquid through hole is connected with the liquid to be atomized through the liquid supply pipe 8 . As shown in Figure 7. The rest of the design is the same as the first implementation.
本发明中，气流通道2和液体通道3的夹角θ满足0°<θ<120°。In the present invention, the angle θ between the air flow channel 2 and the liquid channel 3 satisfies 0°<θ<120°.
另外，高速气流可以高速、高效雾化喷头这一特性具有较宽适用范围，并不局限于附图中所示圆形喷气孔、喷液孔的具体实现方案，还可以采用方形、锥形等组合喷射方案。In addition, the high-speed airflow can atomize nozzles with high speed and high efficiency, which has a wide application range, and is not limited to the specific implementation schemes of circular air injection holes and liquid injection holes shown in the attached drawings, and square, conical, etc. Combined injection scheme.
高速气流在流动过程携带了较高能量、动量，能够高速、高效地雾化低速流动液体，本发明利用该原理匹配高速气流与待低雾化流动液体相互介入、掺温方式，同时为了克服传统雾化喷嘴缺陷，使高速气流通道与低速液体通道在喷嘴内部相交，实现在喷头内部将待雾化介质高效雾化后喷出。The high-speed airflow carries higher energy and momentum during the flow process, and can atomize the low-speed flowing liquid at high speed and efficiently. This invention uses this principle to match the high-speed airflow and the low-atomized flowing liquid to intervene and mix each other. At the same time, in order to overcome the traditional The defect of the atomizing nozzle makes the high-speed air flow channel and the low-speed liquid channel intersect inside the nozzle, so that the medium to be atomized can be sprayed out after being atomized efficiently inside the nozzle.
本发明说明书中未作详细描述的内容属本领域技术人员的公知技术。The content that is not described in detail in the description of the present invention belongs to the well-known technology of those skilled in the art.
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