CN110947532B - Vortex excitation nozzle with elastic vibrating piece cavity - Google Patents
Vortex excitation nozzle with elastic vibrating piece cavity Download PDFInfo
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- CN110947532B CN110947532B CN201911133955.3A CN201911133955A CN110947532B CN 110947532 B CN110947532 B CN 110947532B CN 201911133955 A CN201911133955 A CN 201911133955A CN 110947532 B CN110947532 B CN 110947532B
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- piece
- phase inlet
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- nozzle
- cavity
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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
- B05B1/3415—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 swirl imparting inserts upstream of the swirl 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
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
Abstract
The invention belongs to the technical field of spray dust suppression, and discloses a vortex excitation nozzle with an elastic vibrating piece cavity, which comprises a liquid-phase inlet piece, an ejection piece, a nozzle core and an elastic vibrating sheet, wherein the liquid-phase inlet cavity penetrating through the liquid-phase inlet piece is arranged at the center of the liquid-phase inlet piece, the liquid-phase inlet cavity comprises a cylindrical cavity part, a contraction part and an outlet part which are sequentially arranged from top to bottom, and the nozzle core is arranged in the cylindrical cavity part in the liquid-phase inlet cavity; a throat-shaped nozzle is arranged in the center of the ejection part; the liquid phase inlet piece and the ejection piece are fixedly connected together; the elastic vibration sheet is arranged between the liquid phase inlet piece and the ejection piece, and a through hole is formed in the center of the elastic vibration sheet; the liquid phase inlet piece and the central position of the ejection piece are respectively provided with a vortex groove above and below the elastic vibration sheet, the diameter of the vortex groove is 2-3 times of the inner diameter of the throat-shaped nozzle, and the height of the vortex groove is 0.5-2.5 times of the inner diameter of the throat-shaped nozzle. The atomizing device has a good atomizing effect and can be widely applied to the technical field of spraying dust settling.
Description
Technical Field
The invention belongs to the technical field of spray dust reduction, and particularly relates to a vortex excitation nozzle with an elastic vibrating piece cavity for underground coal dust treatment of a coal mine.
Background
The dust pollution is the main pollution in coal mine production, and as the main links of coal mine underground coal mining, tunneling, transshipment, transportation and the like can cause the pollution of coal dust to air, the underground ventilation condition is poor, the working space is narrow, the concentration of the coal dust in the underground air can be very high, and the high-concentration coal dust has great influence on the human health and the safety of the coal mine production. Atomizing nozzle is one of coal mine dust fall's key technology, and the good or bad direct influence dust fall efficiency of its structure, prior art's atomizing nozzle's atomizing effect is relatively poor, and it has the problem that the atomizing particle size is thick, the even degree of droplet distribution is low. Therefore, in order to improve the effect of dust pollution treatment in the underground coal mine, the uniform and tiny fog drops are required to be sprayed, so that the dust fall effect and efficiency are improved.
Disclosure of Invention
The invention overcomes the defects of the prior art, and solves the technical problems that: the vortex excitation nozzle with the elastic vibrating piece cavity is good in atomization effect.
In order to solve the technical problems, the invention adopts the technical scheme that: a vortex excitation nozzle with an elastic vibrating piece cavity comprises a liquid phase inlet piece, an ejection piece, a nozzle core and an elastic vibrating sheet, wherein a liquid phase inlet cavity penetrating through the liquid phase inlet piece is formed in the center of the liquid phase inlet piece, the liquid phase inlet cavity comprises a cylindrical cavity part, a contraction part and an outlet part which are sequentially arranged from top to bottom, and the nozzle core is arranged in the cylindrical cavity part in the liquid phase inlet cavity; a throat-shaped nozzle is arranged in the center of the ejection part; the liquid phase inlet piece is fixedly connected with the ejection piece; the elastic vibration sheet is arranged between the liquid phase inlet piece and the ejection piece, and a through hole is formed in the center of the elastic vibration sheet; the central axes of the liquid phase inlet piece, the spraying piece and the elastic vibrating sheet are superposed; the liquid phase inlet piece and the liquid phase outlet piece are respectively provided with a vortex groove at the center position above and below the elastic vibration sheet, the diameter of the vortex groove is 2-3 times of the inner diameter of the throat-shaped nozzle, and the height of the vortex groove is 0.5-2.5 times of the inner diameter of the throat-shaped nozzle (6).
The nozzle core includes central riser and two swash plates that are located central riser bilateral intersection symmetry and set up, the top of central riser is the cusp shape of symmetry, the lateral surface curvature radius of swash plate equals the internal diameter of the cylindrical cavity portion of liquid phase inlet, be provided with square notch on the swash plate.
The elastic vibration slice is characterized in that a plurality of petal parts are symmetrically arranged on the periphery of a central through hole of the elastic vibration slice, the petal parts are oval, and the size of the petal parts along the radial direction of the central through hole is 0.5-1 time of that of the vortex groove.
The inner diameter of the throat-shaped nozzle ranges from 0.5 mm to 1.5mm, the outlet diffusion angle a ranges from 10 degrees to 30 degrees, and the height of the liquid phase inlet cavity is 5-10 times of the inner diameter of the throat-shaped nozzle.
The liquid phase inlet piece bottom is provided with the boss, and the boss periphery is provided with the external screw thread, blowout piece top center be provided with boss complex recess, the recess inner wall be provided with external screw thread complex internal thread, the liquid phase inlet piece with still be provided with the sealing washer between the blowout piece.
Compared with the prior art, the invention has the following beneficial effects: the novel vortex-excited downward-spraying atomizing nozzle with the elastic vibrating piece cavity has good atomizing and spraying effects, wherein liquid passes through the spiral nozzle core to enable the liquid speed to be increased sharply, and primary atomization is realized through the rotational flow and shearing action; the middle vortex groove and the elastic vibrating piece generate larger crushing and breaking effects on the liquid, and secondary atomization is generated. The two atomization processes make the liquid spray into working environment. The two-time atomization enables the liquid to be sprayed into a working environment in a mist shape, the atomization angle can reach 30-80 degrees, and the atomization particle size can be as low as dozens of microns.
Specifically, the present invention has the following advantages:
1. the nozzle has a large spraying range, the spiral nozzle core and the vortex excitation atomization structure promote the shearing and crushing of liquid, the atomization degree of the liquid is higher, and the distribution range is wider;
2. the invention has simple and efficient structure, no complex component in the liquid vortex cavity, difficult blockage and low production cost;
3. the invention has no moving part, long service life of the nozzle and convenient use and maintenance.
Drawings
FIG. 1 is a schematic structural view of a vortex excitation nozzle having an elastomeric diaphragm cavity in accordance with the present invention;
FIG. 2 is a schematic structural view of a spiral nozzle core;
FIG. 3 is a schematic perspective view of a spiral nozzle core;
FIG. 4 is a schematic view of a liquid phase inlet piece;
FIG. 5 is a schematic view of the structure of an elastic vibration sheet;
FIG. 6 is a schematic view of the structure of the spouting member;
fig. 7 is a schematic diagram of a dimensional structure of an embodiment of the invention.
In the figure, 1, a liquid phase inlet piece, 2, a nozzle core, 3, a vortex groove, 4, an elastic vibration sheet, 5, a spraying piece, 6, a throat-shaped nozzle, 7, a central vertical plate, 8, an inclined plate, 9, a notch, 10, a petal part, 11, a boss and 12, grooves are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a vortex excitation nozzle with an elastic diaphragm cavity, including a liquid phase inlet piece 1, an ejection piece 5, a nozzle core 2 and an elastic vibration sheet 4, where the liquid phase inlet piece 1 is provided with a liquid phase inlet cavity at the center, the liquid phase inlet cavity includes a cylindrical cavity portion, a contraction portion and an outlet portion, which are sequentially arranged from top to bottom, and the nozzle core 2 is arranged in the cylindrical cavity portion in the liquid phase inlet cavity; the center of the ejection piece 5 is provided with a throat-shaped nozzle 6; the liquid phase inlet piece 1 and the ejection piece 5 are fixedly connected together; the elastic vibration sheet 4 is arranged between the liquid phase inlet piece 1 and the ejection piece 5, and a through hole is formed in the center of the elastic vibration sheet; the central axes of the liquid phase inlet piece 1, the ejecting piece 5 and the elastic vibrating sheet 4 are superposed; the liquid phase inlet piece 1 and the ejecting piece 5 are respectively provided with a vortex groove 3 at the center position above and below the elastic vibration sheet 4, the diameter D3 of the vortex groove 3 is 2-3 times of the inner diameter of the throat-shaped nozzle 6, and the height H is 0.5-2.5 times of the inner diameter of the throat-shaped nozzle 6.
Specifically, as shown in fig. 1, in this embodiment, a boss 11 is disposed at the bottom of the liquid phase inlet 1, an external thread is disposed on the periphery of the boss 11, a groove 12 matched with the boss 11 is disposed at the center of the top of the ejection member 5, an internal thread matched with the external thread is disposed on the inner wall of the groove 12, and a sealing ring is further disposed between the liquid phase inlet 1 and the ejection member 5. The sealing ring is positioned outside the boss 11 and can play a role in preventing water leakage.
Specifically, as shown in fig. 2 to 3, the nozzle core 2 includes a central riser 7 and two inclined plates 8 symmetrically disposed on both sides of the central riser 7 in a crossed manner, the top of the central riser 7 is in a symmetrical pointed shape, the outer side curvature radius D2 of each inclined plate 8 is equal to the inner diameter D1 of the cylindrical cavity of the liquid phase inlet 1, and the inclined plates are provided with square notches 9.
Specifically, as shown in fig. 4, a plurality of petal sections 10 are symmetrically provided in the axial direction on the outer periphery of the central through hole of the elastic vibrating sheet 4, the petal sections 10 are elliptical, and the dimension D4 in the radial direction of the central through hole is 0.5 to 1 time the inner diameter D of the throat-shaped spout 6. The aperture size of the central through hole of the elastic vibration sheet 4 changes along with the diameter change of the vortex groove 3, and can be specifically equal to the diameter of the vortex groove 3.
Specifically, in the embodiment of the invention, the inner diameter D of the throat-shaped nozzle 6 ranges from 0.5 mm to 1.5mm, and the outlet diffusion angle a ranges from 10 degrees to 30 degrees.
In the embodiment, the liquid phase inlet piece 1 can be machined by adopting a raw material with a circular shape, and one or more vortex-excited downward-spraying atomizing nozzles with elastic vibrating sheet cavities are arranged at the top of the fixed bed reactor in a welding mode; when the number is more than one, the reactor is symmetrically distributed along the straight line.
The vortex-excited downward-spraying atomizing nozzle with the elastic vibrating piece cavity is mainly applied to the region with concentrated coal dust distribution under the coal mine. Through elastic vibration thin slice with the vortex groove effectively equalling the back to liquid, spray the coal dust distribution region in the pit uniformly, improve holistic dust fall efficiency, the dust fall is with low costs, adopt welded connected mode and integrated into one piece processing simultaneously can effectively prevent to reveal, has increased the security of dust fall.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The vortex excitation nozzle with the elastic vibrating piece cavity is characterized by comprising a liquid phase inlet piece (1), an ejection piece (5), a nozzle core (2) and an elastic vibrating sheet (4), wherein the liquid phase inlet cavity penetrating through the liquid phase inlet piece (1) is arranged in the center of the liquid phase inlet piece (1), the liquid phase inlet cavity comprises a cylindrical cavity part, a contraction part and an outlet part which are sequentially arranged from top to bottom, and the nozzle core (2) is arranged in the cylindrical cavity part in the liquid phase inlet cavity; a throat-shaped nozzle (6) is arranged in the center of the ejection piece (5); the liquid phase inlet piece (1) is fixedly connected with the ejection piece (5); the elastic vibration sheet (4) is arranged between the liquid phase inlet piece (1) and the ejection piece (5), and a through hole is formed in the center of the elastic vibration sheet; the central axes of the liquid phase inlet piece (1), the ejecting piece (5) and the elastic vibrating sheet (4) are superposed; the liquid phase inlet piece (1) and the ejecting piece (5) are respectively provided with a vortex groove (3) at the central position above and below the elastic vibration sheet (4), the diameter of the vortex groove (3) is 2-3 times of the inner diameter of the throat-shaped nozzle (6), and the height of the vortex groove is 0.5-2.5 times of the inner diameter of the throat-shaped nozzle (6); the elastic vibration thin sheet is characterized in that a plurality of petal parts (10) are symmetrically arranged on the periphery of a central through hole of the elastic vibration thin sheet (4) in the axis direction, the petal parts (10) are oval, and the size of the petal parts in the radial direction of the central through hole is 0.5-1 time of the diameter of the vortex groove (3).
2. The vortex excitation nozzle with the elastic vibrating piece cavity is characterized in that the nozzle core (2) comprises a central vertical plate (7) and two inclined plates (8) which are symmetrically arranged on two sides of the central vertical plate (7) in a crossed mode, the top of the central vertical plate (7) is in a symmetrical pointed shape, the radius of curvature of the outer side face of each inclined plate (8) is equal to the inner diameter of the cylindrical cavity part of the liquid phase inlet part (1), and a square notch (9) is formed in each inclined plate.
3. The vortex excitation nozzle with the elastic vibrating piece cavity is characterized in that the inner diameter of the throat-shaped nozzle (6) ranges from 0.5 mm to 1.5mm, the outlet diffusion angle a ranges from 10 degrees to 30 degrees, and the height of the liquid phase inlet cavity is 5-10 times of the inner diameter of the throat-shaped nozzle (6).
4. The vortex excitation nozzle with the elastic vibrating piece cavity is characterized in that a boss (11) is arranged at the bottom of the liquid phase inlet piece (1), an external thread is arranged on the periphery of the boss (11), a groove (12) matched with the boss (11) is arranged in the center of the top of the ejection piece (5), an internal thread matched with the external thread is arranged on the inner wall of the groove (12), and a sealing ring is further arranged between the liquid phase inlet piece (1) and the ejection piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133955.3A CN110947532B (en) | 2019-11-19 | 2019-11-19 | Vortex excitation nozzle with elastic vibrating piece cavity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133955.3A CN110947532B (en) | 2019-11-19 | 2019-11-19 | Vortex excitation nozzle with elastic vibrating piece cavity |
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| Publication Number | Publication Date |
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| CN110947532A CN110947532A (en) | 2020-04-03 |
| CN110947532B true CN110947532B (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911133955.3A Active CN110947532B (en) | 2019-11-19 | 2019-11-19 | Vortex excitation nozzle with elastic vibrating piece cavity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112057788A (en) * | 2020-08-05 | 2020-12-11 | 国网湖南省电力有限公司 | Wing-shaped spray head and transformer spray fire extinguishing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570860A (en) * | 1984-02-06 | 1986-02-18 | Wm. Steinen Mfg. Co. | 180° Nozzle body having a solid cone spray pattern |
| DE19723752A1 (en) * | 1997-06-06 | 1998-12-10 | Cerpraecis Anwendungen Fuer In | Swirl nozzle for fluid ejection |
| CN2367395Y (en) * | 1998-05-14 | 2000-03-08 | 重庆大学 | Atomizing water nozzle |
| CN1358957A (en) * | 2000-12-11 | 2002-07-17 | 陈鸣楼 | Vortex atomizing nozzle |
| CN102161021A (en) * | 2011-04-09 | 2011-08-24 | 太原理工大学 | An anti-blocking dustfall nozzle used in coal mine |
| CN106881214A (en) * | 2017-04-10 | 2017-06-23 | 太原理工大学 | One kind is introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle |
-
2019
- 2019-11-19 CN CN201911133955.3A patent/CN110947532B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570860A (en) * | 1984-02-06 | 1986-02-18 | Wm. Steinen Mfg. Co. | 180° Nozzle body having a solid cone spray pattern |
| DE19723752A1 (en) * | 1997-06-06 | 1998-12-10 | Cerpraecis Anwendungen Fuer In | Swirl nozzle for fluid ejection |
| CN2367395Y (en) * | 1998-05-14 | 2000-03-08 | 重庆大学 | Atomizing water nozzle |
| CN1358957A (en) * | 2000-12-11 | 2002-07-17 | 陈鸣楼 | Vortex atomizing nozzle |
| CN102161021A (en) * | 2011-04-09 | 2011-08-24 | 太原理工大学 | An anti-blocking dustfall nozzle used in coal mine |
| CN106881214A (en) * | 2017-04-10 | 2017-06-23 | 太原理工大学 | One kind is introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle |
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| CN110947532A (en) | 2020-04-03 |
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