CN113856371B - Energy-saving spraying device for fog gun machine - Google Patents
Energy-saving spraying device for fog gun machine Download PDFInfo
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- CN113856371B CN113856371B CN202111059369.6A CN202111059369A CN113856371B CN 113856371 B CN113856371 B CN 113856371B CN 202111059369 A CN202111059369 A CN 202111059369A CN 113856371 B CN113856371 B CN 113856371B
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- mist
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of dust removal and environmental protection, and discloses an energy-saving spraying device for a fog gun machine. According to the invention, the mist flow is prevented from diffusing outwards by blocking the air flow, the mist flow is fully mixed with the air flow, the utilization rate of the mist flow is improved, the high-speed air flow generated by the axial fan is limited and split by arranging the first exhaust pipe, the effect of fully utilizing the air flow is achieved, the atomizing range of the mist gun machine is effectively enlarged, the second exhaust pipe, the mist suction pipe and the recovery chamber are arranged, the second exhaust pipe generates an outward suction force on small mist drops in the inner cavity of the recovery chamber and is mixed with the air flow and is sprayed outwards along with the air flow, so that the utilization effect of water resources is improved, and the phenomenon that the small mist drops are converged into water drops in a crossing way is effectively prevented.
Description
Technical Field
The invention relates to the technical field of dust removal and environmental protection, in particular to an energy-saving spraying device for a fog gun machine.
Background
The fog gun machine is simple in structure, convenient to use and effective in dedusting equipment, and after the fog gun machine atomizes high-pressure water through the atomizing nozzle, the high-speed air flow is blown to the direction of the atomizing nozzle by the axial fan, and fog drops are driven to be sprayed to a far distance through the air flow, so that the effect of dust fall on an external environment is achieved.
The spraying device of the existing fog gun machine mainly comprises an atomization spray head mechanism, wherein the atomization spray head is generally arranged at the edge of a gun tube and is in circular uniform distribution, the spray head is generally arranged as a circular spray nozzle, the cross section of sprayed fog flow is circular, when the atomization spray head sprays outwards, a water mist crossing area exists, water drops are easily formed in the area, the water drops are overweight and directly fall down, so that water resources are wasted, in addition, when an axial fan blows high-speed air flow, the air flow can only act on one side of the fog flow, the utilization rate of the fog flow is low, the high-speed air flow consumes too much, the energy consumption of the fan is too high, and the energy waste is caused.
Disclosure of Invention
Aiming at the defects of the prior fog gun machine in the use process, the invention provides an energy-saving spraying device for the fog gun machine, which has the advantages of preventing fog flow from generating a water mist crossing area, reducing the waste of water resources, enhancing the mixing of wind flow and fog flow and improving the utilization rate, and solves the technical problems in the prior art.
The invention provides the following technical scheme: the utility model provides an energy-saving atomizer for fog gun machine, includes the barrel, the inner chamber movable mounting of barrel has axial fan, fixed axostylus axostyle has been cup jointed in the middle part fixed of axial fan, the one end outside fixed mounting of fixed axostylus axostyle has the second blast pipe, the outside fixedly connected with fog suction pipe of second blast pipe, the one end fixed mounting of fog suction pipe has the recovery room chamber, recovery mouth has been seted up to the both sides surface of retrieving the room chamber, the one end fixed mounting of retrieving the room chamber has the closing plate, the inner chamber fixed mounting of closing plate has first blast pipe, the inner chamber middle part fixed mounting of first blast pipe has atomizer, the one end fixed mounting of atomizer has the outside water tank pipe that is located the barrel.
Preferably, the shape of the second exhaust pipe is annular, and the connection parts of the second exhaust pipe and the mist absorbing pipe are communicated with each other.
Preferably, the shape of the recycling chamber is horizontal at the upper end and the lower end, the two sides of the recycling chamber are round and concave inwards, the arc radian of the concave inwards is consistent with the arc radian of the outer part of the first exhaust pipe, the inner cavity of the recycling chamber is in a hollow state, and the surface of the inner cavity of the recycling chamber is provided with a waterproof film.
Preferably, the opening shape of the recovery port is rectangular, and the position of the recovery port on the outer surface of the recovery chamber is located at the intersection point of the airflow and the mist flow edge.
Preferably, the first exhaust pipe is in a C-shaped cylinder, and one end of the air outlet of the first exhaust pipe is positioned at a horizontal position forming an included angle of thirty degrees with the edge of the mist flow range sprayed by the atomization nozzle.
The invention has the following beneficial effects:
1. according to the invention, the first exhaust pipe is arranged to enable the air flow to be in a surrounding shape, the air flow is horizontally sprayed outwards, the range of the mist flow sprayed by the atomizing nozzle is conical, namely, the cross section of the mist flow is circular, the air flow is horizontally blocked from being spread outwards, the mist flow is horizontally blocked, the mist flow is enabled to flow at a high speed, the flow speed of the mist flow is lower than the air flow speed, the mist drops in the annular air flow are gradually mixed towards the air flow due to pressure difference, the blocked mist flow moves towards the horizontal direction, and gradually moves forwards.
2. The invention limits and divides the high-speed air flow generated by the axial fan by arranging the first exhaust pipe, achieves the effect of fully utilizing the air flow, avoids waste caused by outward gushing of a large amount of air flow, and also avoids overhigh energy consumption of the fan caused by overlarge air quantity.
3. According to the invention, the second exhaust pipe, the mist absorbing pipe and the recovery chamber are arranged, when the airflow is utilized to block the mist flow from diffusing, the gas mist collides with the intersection point of the airflow and the mist flow, the impacted mist drops outwards generate a collapse phenomenon based on the intersection point, when the mist drops secondarily collapse and generate the collapse phenomenon, the mist drops enter the inner cavity of the recovery chamber, the inner cavity of the second exhaust pipe forms negative pressure due to the fact that high-speed airflow is outwards sprayed out through the second exhaust pipe, the second exhaust pipe generates outwards suction force on the small mist drops in the inner cavity of the recovery chamber through the mist absorbing pipe, the mist flows into the inner cavity of the second exhaust pipe, is mixed with the airflow and is outwards sprayed along with the airflow for environmental dust removal, so that the utilization effect of water resources is improved, and the phenomenon that the small mist drops are crossly converged into water drops is effectively prevented.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional side view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional top view of the structure of the present invention.
In the figure: 1. a cylinder; 2. an axial fan; 3. fixing the shaft lever; 4. a second exhaust pipe; 5. a mist absorbing pipe; 6. recovering the chamber; 7. recovering the mouth; 8. a sealing plate; 9. a first exhaust pipe; 10. an atomizing nozzle; 11. a water tank pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, an energy-saving spraying device for a fog gun machine comprises a barrel 1, an axial fan 2 is movably arranged in an inner cavity of the barrel 1, a fixed shaft 3 is fixedly sleeved in the middle of the axial fan 2, a second exhaust pipe 4 is fixedly arranged outside one end of the fixed shaft 3, a fog suction pipe 5 is fixedly connected outside the second exhaust pipe 4, a recovery chamber 6 is fixedly arranged at one end of the fog suction pipe 5, when fog drops are secondarily broken, the fog drops enter the inner cavity of the recovery chamber 6, part of high-speed airflow is sprayed outwards through the second exhaust pipe 4, according to the principle of high flow speed and high pressure, the inner cavity of the second exhaust pipe 4 forms negative pressure, small fog drops, namely fog drops, in the inner cavity of the recovery chamber 6 are fixedly sleeved through the fog suction pipe 5, so that the fog drops flow into the inner cavity of the second exhaust pipe 4, are mixed with the airflow and are sprayed outwards along with the airflow, the fog drops are used for environmental dust removal, the utilization effect of water resources can be improved, and the fog drops are effectively prevented from being crossed and converged into the inner cavity 9 of the first exhaust pipe 8, the inner cavity 9 is fixedly provided with the outer side of the fixed end of the sealing plate 10, the inner cavity 10 is fixedly provided with the sealing plate 10, and the inner cavity of the sealing plate 10 is fixedly arranged at the outer side of the inner cavity of the first end of the recovery chamber 8, and the sealing plate 10 is fixedly arranged at the inner cavity of the sealing plate 8, and the sealing plate is arranged.
Referring to fig. 1-2, the second exhaust pipe 4 is in a circular shape, and the connection portion of the second exhaust pipe 4 and the mist absorbing pipe 5 is penetrated.
Referring to fig. 1-3, the shape of the recycling chamber 6 is shown in the drawing, the upper and lower ends of the recycling chamber are horizontal, the two sides of the recycling chamber are round and concave inwards, the arc of the concave inwards is consistent with the arc of the outer part of the first exhaust pipe 9, the inner cavity of the recycling chamber 6 is hollow, the inner cavity surface of the recycling chamber 6 is provided with a waterproof membrane, and by arranging the waterproof membrane, when small mist drops after secondary rupture enter the inner cavity of the recycling chamber 6, the mist drops are prevented from penetrating and staying on the inner cavity surface of the recycling chamber 6, thereby being beneficial to the absorption and reutilization effects of the mist drops in the inner cavity of the recycling chamber 6 by the subsequent second exhaust pipe 4.
Referring to fig. 2, the opening of the recovery opening 7 is rectangular, the position of the recovery opening 7 on the outer surface of the recovery chamber 6 is located at the intersection point of the airflow and the edge of the mist flow, when the airflow is utilized to block the mist flow from diffusing, the airflow and the mist flow have an intersection point, the intersection point has an aerosol collision, the mist flow cannot break the airflow due to the higher airflow velocity, the mist flow velocity of the mist flow is lower than that of the airflow, the mist at the intersection point is secondarily broken under the influence of the impact force, the impacted mist drops generate a collapse phenomenon outwards at the intersection point, and the movement direction of the collapsed small mist drops is located at the position of the opening of the recovery opening 7, so that the small mist drops can pass through the recovery opening 7 and enter the inner cavity of the recovery chamber 6.
Referring to fig. 1-2, the first exhaust pipe 9 is in a C-shaped cylinder, one end of the air outlet of the first exhaust pipe 9 is located at a horizontal position forming an included angle of thirty degrees with the edge of the mist flow range sprayed by the atomizer 10, and by arranging the first exhaust pipe 9, when the high-speed air flow is blown out by the axial fan 2, part of the air flow flows into the internal channels of the first exhaust pipe 9 respectively, so that the air flow is sprayed outwards in a circular ring shape, the mist flow sprayed by the atomizer 10 is conical, i.e. the mist flow cross section of the air flow is circular, when the annular air flow is sprayed horizontally, the annular air flow is located at a horizontal position forming an included angle of thirty degrees with the edge of the mist flow range sprayed by the atomizer 10, the annular air flow is in a horizontal direction, the mist flow is blocked from continuing to be sprayed outwards, and according to the principle of high pressure intensity of bernoulli flow, the mist drops inside the annular air flow gradually approach and merge, and the blocked mist flow gradually becomes horizontal forward, so that the mist flow is prevented from spreading outwards due to the blocking of the air flow, and water drop is prevented from generating cross-flow with adjacent mist flow, so that water resource waste is formed.
Meanwhile, the airflow wraps the fog flow, the fog flow is actively mixed with the airflow, the airflow is driven forward, the mixing effect of the airflow and the fog flow is effectively enhanced, the utilization rate of the fog flow is improved, the redundant airflow is prevented from being wasted by shaping and splitting the airflow, the effect of fully utilizing the airflow is achieved, the energy consumption of a fan is also avoided to be too high, the energy waste is caused, the cross section through which the airflow flows is reduced far, the outlet flow velocity of the airflow is larger, the initial velocity of the airflow is larger, the kinetic energy is larger, the range of the airflow is increased according to the kinetic energy theorem, and the nebulizable range of the fog gun machine is effectively enlarged.
The working principle of the using method of the invention is as follows:
when the environment is required to be dedusted, the cylinder 1 is adjusted to a proper orientation according to the environment required to be dedusted, after the cylinder 1 is adjusted, the axial fan 2 is started to start generating high-speed air flow, and meanwhile, the existing water pump is started to start the atomization nozzle 10 to spray mist drops outwards.
When the axial fan 2 blows out high-speed air flow, a part of air flows to the inner channel of the first exhaust pipe 9, the other part flows to the inner cavity channel of the second exhaust pipe 4, and both air flows are ejected outwards in a circular ring shape, when the annular air flow in the first exhaust pipe 9 is ejected horizontally, the air outlet end of the first exhaust pipe 9 is positioned at the edge of the mist flow range ejected by the atomizing nozzle 10 and forms a thirty-degree included angle with the horizontal position, the mist flow which is outwards diffused in a conical shape is blocked by the annular air flow which is horizontally surrounded and cannot be outwards diffused any more, meanwhile, the mist drops in the annular air flow are close to the annular air flow and are driven by the air flow to move forwards horizontally and are sprayed to the external environment due to the pressure difference, and dust fall work is carried out.
When the airflow blocks fog drops at the intersection of the airflow and the fog flow and is influenced by impact force, a collapse phenomenon is generated, the collapsed small fog drops move towards the opening direction of the recovery opening 7, the small fog drops enter the inner cavity of the recovery chamber 6 through the recovery opening 7, when the fog drops enter the inner cavity of the recovery chamber 6, partial high-speed airflow is sprayed outwards through the second exhaust pipe 4, negative pressure is formed in the inner cavity of the second exhaust pipe 4, suction is generated on the small fog drops in the inner cavity of the recovery chamber 6 through the fog suction pipe 5, and the fog drops flow to the inner cavity of the second exhaust pipe 4, are mixed with the airflow and are sprayed outwards along with the airflow for environmental dust removal.
When the environmental dust removal is not needed, the axial fan 2 and the atomizing nozzle 10 are turned off.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides an energy-saving atomizer for fog gun machine, includes barrel (1), its characterized in that: the inner cavity of the cylinder body (1) is movably provided with an axial fan (2), the middle part of the axial fan (2) is fixedly sleeved with a fixed shaft lever (3), one end of the fixed shaft lever (3) is fixedly provided with a second exhaust pipe (4), the outer part of the second exhaust pipe (4) is fixedly connected with a mist suction pipe (5), one end of the mist suction pipe (5) is fixedly provided with a recovery chamber (6), the outer surfaces of two sides of the recovery chamber (6) are provided with recovery ports (7), one end of the recovery chamber (6) is fixedly provided with a sealing plate (8), the inner cavity of the sealing plate (8) is fixedly provided with a first exhaust pipe (9), the middle part of the inner cavity of the first exhaust pipe (9) is fixedly provided with an atomization nozzle (10), one end of the atomization nozzle (10) is fixedly provided with a water tank pipe (11) positioned outside the cylinder body (1), the opening of the recovery ports (7) is rectangular, and the positions of the recovery ports (7) at the positions of the intersections of airflow and mist flow edges are positioned at the positions of the recovery chamber (6);
the first exhaust pipe (9) is in a C-shaped cylinder, and one end of the first exhaust pipe (9) for exhausting air is positioned at a horizontal position forming an included angle of thirty degrees with the edge of the mist flow range sprayed by the atomizing nozzle (10);
the shape of the second exhaust pipe (4) is annular, and the connection parts of the second exhaust pipe (4) and the mist absorbing pipe (5) are communicated with each other.
2. The energy-saving spraying device for a fog gun machine according to claim 1, wherein: the shape of retrieving between chamber (6), its upper and lower both ends are the horizontality, and its both sides are circular inwards sunken, and inwards sunken circular arc radian is unanimous with the outside circular arc radian of first blast pipe (9), retrieve the inner chamber of chamber (6) and be the cavity state, and retrieve the inner chamber surface of chamber (6) and be equipped with the water proof membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059369.6A CN113856371B (en) | 2021-09-10 | 2021-09-10 | Energy-saving spraying device for fog gun machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059369.6A CN113856371B (en) | 2021-09-10 | 2021-09-10 | Energy-saving spraying device for fog gun machine |
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| Publication Number | Publication Date |
|---|---|
| CN113856371A CN113856371A (en) | 2021-12-31 |
| CN113856371B true CN113856371B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111059369.6A Active CN113856371B (en) | 2021-09-10 | 2021-09-10 | Energy-saving spraying device for fog gun machine |
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| CN (1) | CN113856371B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115970422B (en) * | 2023-03-09 | 2023-08-22 | 国家卫生健康委职业安全卫生研究中心(国家卫生健康委煤炭工业职业医学研究中心) | Building site dust fall spray set |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6241809B1 (en) * | 1999-09-20 | 2001-06-05 | Dan Hopkins | Apparatus and method for liquid scrubbing contaminants from a gas flow |
| CN2640611Y (en) * | 2003-03-10 | 2004-09-15 | 山东泰山能源有限责任公司翟镇煤矿 | High pressure airflow injection spraying dust removing appts. |
| KR20070018496A (en) * | 2005-08-10 | 2007-02-14 | 주식회사 포스코 | A reclaimer for preventing dust dispersing |
| CN106341987B (en) * | 2009-12-31 | 2014-02-12 | 中国船舶重工集团公司第七一八研究所 | Venturi nozzle |
| CN111085361A (en) * | 2019-12-25 | 2020-05-01 | 龙敏 | Spraying mechanism of fog gun machine |
| CN111408222A (en) * | 2020-04-22 | 2020-07-14 | 宜昌市凯诺电气有限公司 | Multi-degree-of-freedom fog gun spraying device |
| CN112999804A (en) * | 2021-03-23 | 2021-06-22 | 李燕遵 | Fog gun machine for dust fall of urban atmospheric environment |
-
2021
- 2021-09-10 CN CN202111059369.6A patent/CN113856371B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6241809B1 (en) * | 1999-09-20 | 2001-06-05 | Dan Hopkins | Apparatus and method for liquid scrubbing contaminants from a gas flow |
| CN2640611Y (en) * | 2003-03-10 | 2004-09-15 | 山东泰山能源有限责任公司翟镇煤矿 | High pressure airflow injection spraying dust removing appts. |
| KR20070018496A (en) * | 2005-08-10 | 2007-02-14 | 주식회사 포스코 | A reclaimer for preventing dust dispersing |
| CN106341987B (en) * | 2009-12-31 | 2014-02-12 | 中国船舶重工集团公司第七一八研究所 | Venturi nozzle |
| CN111085361A (en) * | 2019-12-25 | 2020-05-01 | 龙敏 | Spraying mechanism of fog gun machine |
| CN111408222A (en) * | 2020-04-22 | 2020-07-14 | 宜昌市凯诺电气有限公司 | Multi-degree-of-freedom fog gun spraying device |
| CN112999804A (en) * | 2021-03-23 | 2021-06-22 | 李燕遵 | Fog gun machine for dust fall of urban atmospheric environment |
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| CN113856371A (en) | 2021-12-31 |
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Effective date of registration: 20230705 Address after: 833599 Bogdar Town, Wenquan County, Bortala Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region Applicant after: Xinjiang Longquan Construction Group Co.,Ltd. Address before: No. 148, Chaosi administrative village, Helou office, Mudan District, Heze City, Shandong Province Applicant before: Chao Zhi |
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