CN110898575A - Tower-type fog gun device - Google Patents
Tower-type fog gun device Download PDFInfo
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- CN110898575A CN110898575A CN201911154020.3A CN201911154020A CN110898575A CN 110898575 A CN110898575 A CN 110898575A CN 201911154020 A CN201911154020 A CN 201911154020A CN 110898575 A CN110898575 A CN 110898575A
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- cylinder
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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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- 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
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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
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Special Spraying Apparatus (AREA)
Abstract
一种塔式雾炮装置，属于环保领域，主要用于降尘减霾，它由基础、雾炮装置、降噪装置、支撑结构及供水系统、PLC智能控制系统、检修平台组成。雾炮装置固定在支撑结构及供水系统的顶部；降噪装置安装在雾炮装置的尾部，组成一个筒形整体；PLC智能控制系统安放在支撑结构及供水系统的顶部，雾炮设备旁；检修平台放在支撑结构及供水系统上部，检修口下；支撑结构及供水系统规定在基础上。本发明搭设一定高度，喷射距离远，雾化效果好，噪声值低。
A tower-type fog cannon device belongs to the field of environmental protection and is mainly used for dust reduction and haze reduction. The fog cannon device is fixed on the top of the support structure and the water supply system; the noise reduction device is installed at the tail of the fog cannon device to form a cylindrical whole; the PLC intelligent control system is placed on the top of the support structure and the water supply system, next to the fog cannon equipment; maintenance The platform is placed on the upper part of the support structure and water supply system, and under the inspection opening; the support structure and water supply system are specified on the basis. The invention is erected at a certain height, the spraying distance is long, the atomization effect is good, and the noise value is low.
Description
Technical Field
The invention belongs to the field of environmental protection. In particular to a tower-type fog gun device which is mainly used for reducing dust and haze.
Background
With the acceleration of the urbanization process in China, all industries in China also get rapid development, however, in all links of industrial chains such as the whole building industry, the coal industry, the urban construction, the electric power industry and the like, a lot of construction and use processes have great influence on urban air pollution, if the weather is dry and slightly windy, dust easily flies, and solid particles are generated to the environment, so that great influence is caused.
Aiming at the continuous and random dust and haze, the tower-type fog gun is provided and is mainly used in places where dust pollution needs to be treated, such as cities, construction sites, equipment use sites and the like; liquid fog dust fall, the particle concentration in the decomposition desalination air, can effectively decompose pollution particulate matter, dust etc. in the air can be carried out in haze weather, effectively alleviate the haze. The device can also be used in areas needing dust fall, such as coal yards, coal storage bins or totally enclosed coal storage places, coal logistics parks, coal centralized transportation stations, open-air coal mining and the like.
Although the range of the disclosed various fog guns is five-door, the range is mainly related to the power of a power fan, and the larger the power is, the farther the fog gun is shot, and the correspondingly generated noise is larger and larger. Especially for the use condition with the requirement of range, the noise value can reach 90-100 decibels, and the noise value greatly influences the nearby residents.
For places with high requirements, such as coal bunkers and cities, the fog gun needs to be erected at a certain height for use, and the integration of matched equipment has certain problems.
Disclosure of Invention
The tower type fog gun device provided by the invention has the advantages of long spraying distance, good atomizing effect and low noise.
A tower-type fog gun device comprises a foundation, a fog gun device, a noise reduction device, a supporting structure, a water supply system, a PLC intelligent control system and an overhaul platform.
The fog gun device is fixed on the top of the support structure and the water supply system; the noise reduction device is arranged at the tail part of the fog gun device to form a cylindrical whole; the PLC intelligent control system is arranged at the top of the support structure and the water supply system and beside the fog gun equipment; the maintenance platform is placed on the upper parts of the supporting structure and the water supply system and below the maintenance opening; the supporting structure and the water supply system are fixed on the foundation.
The fog gun device comprises a fan, a guide cylinder, an anti-blocking adjustable nozzle, a booster pump unit, an electric control cabinet, a fixed blade, a first guide cylinder, a second guide cylinder and a rotary support.
The anti-clogging adjustable nozzle is arranged at the axis position of the first guide cylinder, and the fixed blades are arranged in the first guide cylinder and divide the guide cylinder into wind tunnels with the same or different sizes; the fan is arranged in the second guide cylinder, and one end of the second guide cylinder, namely the fan air outlet, is connected with the first guide cylinder through a connecting flange and a bolt; the anti-blocking adjustable nozzle is connected with the booster pump unit through a water inlet pipe, and the booster pump unit is connected with the electric control cabinet through a booster pump power supply control line; the electric control cabinet is connected with the fan through a fan power supply control line; the guide cylinder is arranged on the rotary bracket and is controlled to rotate by a hydraulic oil cylinder of the rotary bracket.
After being pressurized to a certain pressure by a booster pump of the booster pump unit, water is conveyed into the anti-clogging adjustable nozzle through the water inlet pipe, is made into water mist through the anti-clogging adjustable nozzle and is sprayed out;
high-pressure air generated by the fan directly blows out water mist in a direct blowing mode through wind tunnels in the same area or different areas;
the booster pump unit comprises a submersible pump and a high-pressure pump, the submersible pump supplies water to the fog gun, and the high-pressure pump provides extra pressure to enable the water to form high-pressure water which is atomized after passing through the nozzle.
The electric control cabinet is internally provided with a fan switch, a high-pressure pump switch, a submersible pump switch and a hydraulic rotary control switch. Respectively controlling the components of the fog gun equipment.
The anti-blocking adjustable nozzle is arranged at the central position of the guide cylinder, the fixed blade is arranged in the guide cylinder, a wind tunnel effect can be formed, the frequency converter of the fan adjusts the air volume and the air pressure of the fan, atomized water is sprayed out through the anti-blocking adjustable nozzle by utilizing the air pressure and the air volume generated by the fan, and the water quantity can be adjusted through the nozzle. The air pressure and the air speed can be utilized to form direct blowing on the middle spray head, so that the air loss in the process is reduced; the nozzle can lengthen the jet distance through pressurization and direct blowing jet, and the jet distance can reduce the power of the fan, thereby saving the cost.
The noise reduction device is installed at the tail part of the fog gun device through a flange bolt, and the whole appearance is in a horn mouth shape.
The noise reduction device comprises a support cylinder, sound absorption cotton, a hole cylinder and a noise reduction body; the hole cylinder is in a horn shape, holes with the aperture of 6mm are uniformly distributed on the surface of the hole cylinder, the hole cylinder is arranged on the inner side of the horn-shaped supporting cylinder and is fixedly connected with the supporting cylinder, the hole cylinder is coaxial with the supporting cylinder, sound absorption cotton and hydrophobic cloth are filled between the hole cylinder and the supporting cylinder, and 3 rows of noise reduction bodies are arranged in the supporting cylinder and are welded with the inner wall of the supporting cylinder. The hydrophobic cloth wraps the sound absorption cotton.
The first row of noise reduction bodies and the second row of noise reduction bodies are staggered, and the third row of noise reduction bodies and the second row of noise reduction bodies are staggered;
a layer of damping paint is coated on the inner wall of the supporting cylinder; the flange is connected with one end with the small diameter of the supporting cylinder into a whole to be used as a connecting part with the fog gun.
The hole cylinder is bent into a horn-shaped cylinder with one thick end and the other thin end by adopting an aluminum plate with the thickness of 1.5 mm. The diameter of one end of the hole cylinder is 800mm, and the diameter of the other end of the hole cylinder is 600 mm.
The supporting cylinder is a conical cylinder made of a 4mm thin steel plate through rolling, the diameter of one end of the supporting cylinder is 800mm, and the diameter of the other end of the supporting cylinder is 1000 mmm.
The thickness of the damping paint coating is 10mm, the sound absorption cotton is glass cotton, the bulk weight is 48kg/m, the main sound absorber is arranged on the barrel wall, and the main sound absorber is arranged between the support barrel and the hole barrel;
the noise reduction body consists of a conical cylinder, a pore plate with uniformly distributed holes and sound absorption cotton, the conical cylinder and the pore plate are welded into a whole, and the aperture of the pore plate is 6 mm; sound absorption cotton is filled between the conical cylinder and the pore plate.
The supporting structure and the water supply system are integrated equipment and mainly divided into the supporting structure and the water supply system according to functions. Or comprises a supporting cylinder, a fog gun mounting base, a lower base plate base, an access hole, a water drain hole, an overflow hole, a water adding pipe, an access platform mounting base, a liquid level device and an electromagnetic valve according to the components.
The lower base plate seat is arranged on an anchor bolt reserved on the foundation and used for fixing the supporting structure; the supporting columns are welded on the lower base plate, and the formed closed space has the function of storing water; the fog gun mounting seat is welded on the top of the supporting cylinder and used for mounting a fog gun; the maintenance platform mounting seat is welded at the middle upper part of the supporting cylinder and is used for mounting the maintenance platform; the maintenance opening is arranged between the maintenance platform mounting seat and the top of the supporting cylinder and used for maintaining the condition in the supporting cylinder; the overflow port is arranged at a point below the mounting seat of the maintenance platform, and overflows from the overflow port when the water level exceeds the warning line; the water adding pipe is arranged on the vertical surface of the outer side of the supporting cylinder and is used for adding water from top to bottom; a liquid level device is arranged in the supporting cylinder, and when the water level is higher or insufficient, the liquid level device feeds back to an electromagnetic valve of the PLC cabinet to control the opening and closing of the water inlet system; the water draining opening is arranged at the bottom of the supporting cylinder and is arranged at a point on the lower bottom plate base and used for draining water, preventing freezing or overhauling.
The PLC intelligent control system is divided into two parts, namely a sensor set and PLC in-cabinet equipment integration.
The PLC cabinet is internally provided with a network transmission module DTU, a control module and a power module. The network transmission module transmits information to the server for analysis, and the control module is divided into communication, control and sensor information acquisition. The power module is weak current conversion equipment and supplies power for weak current electric equipment in the PLC cabinet.
The PLC control system can be divided into a manual mode and an automatic mode, and the control mode is selected according to needs.
The sensor comprises a wind pressure and wind speed sensor, a dust concentration meter sensor, an angle sensor, an inclination angle sensor, a hydraulic sensor, a flow sensor, a video, a humidity sensor and an equipment linkage sensor. The monitored data is transmitted back to the PLC data transmission module for analysis, and the opening and the rotation of the fog gun are controlled through the action of the control module.
The maintenance platform is a steel structure platform, a ladder stand and a protective fence. The maintenance platform is square in combination of profile steels and arranged around the fog gun. The platform is divided into two pieces for convenient transportation and maintenance, and the single piece is transported to the site and then assembled by bolts. And a grid plate is laid on the platform. The ladder stand is made of section steel into a cylindrical protection cage ladder stand, so that the ladder stand is convenient to go up and down; the guard railing is installed in the reserved holes around the maintenance platform through bolts.
The equipment is connected in a bolt assembling mode, so that the transportation is convenient, the labor cost is reduced without fire on site, the progress is accelerated, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a schematic view of a tower-type fog gun structure according to the present invention;
FIG. 2 is a schematic view of the fog gun apparatus of the present invention;
FIG. 3 is a schematic view of a noise reducing device of the present invention;
FIG. 4 is a schematic side view of a noise reducer of the present invention;
FIG. 5 is a schematic view of the support structure and water supply system of the present invention;
in the figure, 1-fog gun device, 2-noise reduction device, 3-PLC intelligent control system, 4-maintenance platform, 5-support structure and water supply system, 6-foundation, 11-fan, 12-first guide cylinder, 13-anti-clogging adjustable nozzle, 14-water inlet pipe, 15-booster pump unit, 16-booster pump power supply control line, 17-electric control cabinet, 18-fan power supply control line, 21-flange, 22-support cylinder, 23-sound absorption cotton, 24-pore plate, 25-conical or drop-shaped noise reduction body, 51-fog gun mounting seat support cylinder, 52-maintenance opening, 53-maintenance platform mounting seat, 54-overflow opening, 55-water feeding pipe, 56-lower base, and 57-water drainage opening.
Detailed Description
As shown in figure 1, the height of a platform of a tower type fog gun device in a certain project is 5 meters, the range of the tower type fog gun device is 25 meters to 120 meters, the optimal range of the fog gun is 80 meters, and the tower type fog gun device consists of a reinforced concrete foundation 6, a fog gun device 1, a noise reduction device 2 positioned at the tail part of the fog gun, a 5-meter high support structure, a water supply system 5, a PLC intelligent control system 3 and an overhaul platform 4.
The fog gun device 1 is fixed on a supporting structure and a top mounting seat of a water supply system 5; the front noise reduction of the fog gun can influence the fog feeding range, and the front end of the fog gun is provided with an object which can cause water fog to generate accumulated water when meeting the object.
The noise reduction device 2 is arranged at the tail part of the fog gun device 1 to form a cylindrical whole; the PLC intelligent control system 3 is arranged at the top of the supporting structure and the water supply system 5 and is positioned beside the fog gun device. The maintenance platform is placed on the upper parts of the supporting structure and the water supply system and below the maintenance opening; the supporting structure and the water supply system are fixed on the foundation.
As shown in fig. 2, the fog gun device 1 includes a blower 11, an anti-clogging adjustable nozzle 13, a booster pump unit 15, an electric control cabinet 17, a fixed blade, a guide cylinder 12, and a rotary support.
The anti-clogging adjustable nozzle 13 is arranged at the axis position of the guide cylinder, and the fixed blades are arranged in the guide cylinder and divide the guide cylinder into wind tunnels with the same or different sizes; the fan 11 is arranged in the guide cylinder, and one end of the guide cylinder, namely a fan air outlet, is connected with the guide cylinder through a connecting flange and a bolt; the anti-blocking adjustable nozzle 13 is connected with a booster pump unit 15 through a water inlet pipe 14, and the booster pump unit 15 is connected with an electric control cabinet 17 through a booster pump power supply control line 16; the electric control cabinet 17 is connected with the fan 11 through a fan power supply control line 18; the guide cylinder is arranged on the rotary bracket and is controlled to rotate by a hydraulic oil cylinder of the rotary bracket.
High-pressure air generated by the fan directly blows out water mist in a direct blowing mode through wind tunnels in the same area or different areas;
the booster pump unit contains immersible pump and high-pressure pump, and the immersible pump draws water from the support cylinder in and supplies water for the fog gun, belongs to low-pressure water, is not enough to satisfy fog gun range and rivers atomizing, passes through the high-pressure pump pressure boost at the in-process of carrying, and installs flow sensor on the pipeline, and monitoring rivers data pass back PLC control system, realizes automatic control.
The electric control cabinet is internally provided with a fan switch, a high-pressure pump switch, a submersible pump switch and a hydraulic rotary control switch. Respectively controlling the components of the fog gun equipment.
The anti-blocking adjustable nozzle is arranged at the central position of the guide cylinder, the fixed blade is arranged in the guide cylinder, a wind tunnel effect can be formed, the frequency converter of the fan adjusts the air volume and the air pressure of the fan, atomized water is sprayed out through the anti-blocking adjustable nozzle by utilizing the air pressure and the air volume generated by the fan, and the water quantity can be adjusted through the nozzle. The air pressure and the air speed can be utilized to form direct blowing on the middle spray head, so that the air loss in the process is reduced; the nozzle can lengthen the jet distance through pressurization and direct blowing jet, and the jet distance can reduce the power of the fan, thereby saving the cost.
As shown in fig. 3 and 4, the noise reduction device is mounted at the tail part of the fog gun device through flange bolts, and the overall appearance of the noise reduction device is a trapezoidal conical cylinder. The noise reduction device comprises a support cylinder, sound absorption cotton, a hole cylinder and a noise reduction body; the hole cylinder is a horn-shaped cylinder, holes with the aperture of 6mm are uniformly distributed on the surface of the hole cylinder, the hole cylinder is arranged on the inner side of the horn-shaped supporting cylinder and is fixedly connected with the supporting cylinder, the hole cylinder is coaxial with the supporting cylinder, sound absorption cotton and hydrophobic cloth are filled between the hole cylinder and the supporting cylinder, and 3 rows of noise reduction bodies are arranged in the supporting cylinder and are welded with the inner wall of the supporting cylinder. The hydrophobic cloth wraps the sound absorption cotton.
The first row of noise reduction bodies and the second row of noise reduction bodies are staggered, and the third row of noise reduction bodies and the second row of noise reduction bodies are staggered;
a layer of damping paint is coated on the inner wall of the supporting cylinder; the flange is connected with one end with the small diameter of the supporting cylinder into a whole to be used as a connecting part with the fog gun.
The hole cylinder is bent by an aluminum plate with the thickness of 1.5mm into a horn cylinder with the diameter of 800mm at one end and 600mm at the other end.
The support cylinder is a horn cylinder which is formed by rolling a 4mm thin steel plate and has the diameter of 800mm at one end and 1000mm at the other end.
The thickness of the damping paint coating is 10mm, the sound absorption cotton is glass cotton, the bulk weight is 48kg/m, the main sound absorber is arranged on the barrel wall, and the main sound absorber is arranged between the support barrel and the hole barrel;
the noise reduction body consists of a conical cylinder, a pore plate with uniformly distributed pores and sound absorption cotton, the conical cylinder and the pore plate are welded into a whole, and the pore diameter of the pore plate is 6 mm; sound absorption cotton is filled between the conical cylinder and the pore plate.
As shown in fig. 5, the supporting structure and the water supply system are integrated, and are mainly divided into the supporting structure and the water supply system according to functions. Or comprises a supporting cylinder, a fog gun mounting base, a lower base plate base, an access hole, a water drain hole, an overflow hole, a water adding pipe, an access platform mounting base, a liquid level device and an electromagnetic valve according to the components.
The lower base plate seat with the diameter of 1 meter is arranged on an anchor bolt reserved on the reinforced concrete foundation and used for fixing the supporting structure; the supporting cylinder with the diameter of 800mm is welded on the lower base plate, and the formed closed space has the function of storing water, the diameter of the water storage is 800mm, and the height of the water storage is 4 m; the fog gun mounting seat is folded and welded on the top of the supporting cylinder by a steel plate and is used for mounting a fog gun with a 80-meter range; the maintenance platform mounting seat is welded at the middle upper part of the support column, the mounting height is 4.2 m, and the maintenance platform mounting seat is used for mounting a square maintenance platform of 3x3 m; the access opening of 600x600mm is arranged between the access platform mounting seat and the top of the supporting cylinder and is used for accessing the conditions in the supporting cylinder, such as a liquid level gauge; the overflow port with the diameter of 89mm is 100mm below the mounting seat of the maintenance platform, and when the water level exceeds the warning line by 4.1m, the overflow port overflows; a water adding pipe with the diameter of 89mm is arranged on the vertical surface of the outer side of the supporting cylinder, and water is added from top to bottom; a liquid level device is arranged in the supporting cylinder, and when the water level is higher or insufficient, the liquid level device feeds back to an electromagnetic valve of the PLC cabinet to control the opening and closing of the water inlet system; the drain opening is 100mm above the bottom of the support cylinder and is used for draining water and preventing freezing or overhauling.
The intelligent control system comprises a sensor set and a PLC cabinet internal device integration.
The PLC cabinet is internally provided with a network transmission module DTU, a control module and a power module. The network transmission module transmits information to the server for analysis, and the control module is divided into communication, control and sensor information acquisition. The power module is weak current conversion equipment and supplies power for weak current electric equipment in the PLC cabinet.
The PLC control system can be divided into a manual mode and an automatic mode, and the control mode is selected according to needs.
The sensor comprises a wind pressure and wind speed sensor, a dust concentration meter sensor, an angle sensor, an inclination angle sensor, a hydraulic sensor, a flow sensor, a video, a humidity sensor and an equipment linkage sensor. The monitored data is transmitted back to the PLC data transmission module for analysis, and the opening and the rotation of the fog gun are controlled through the action of the control module.
The maintenance platform consists of a steel structure platform, a crawling ladder and a protective fence. The maintenance platform adopts a square platform which is formed by combining channel steel into 3x3 meters and is arranged around the fog gun. The transportation and maintenance platform is divided into two pieces of 1.5x3M for convenient transportation and maintenance, and the M16 bolt is assembled after the single piece is transported to the site. 20mm grating plates are paved on the platform. The ladder stand is made of angle steel L40x4 steel into a cylindrical cage ladder stand, so that the ladder stand can conveniently go up and down; the 1.2 m high protective fence is installed in the reserved holes around the maintenance platform through bolts. All equipment adopts the bolt pin-connected panel to connect, and convenient transportation, scene do not move the fire and reduce the cost of labor for the progress, reduce the potential safety hazard.
Claims (1)
1. A tower type fog gun device comprises a foundation, a fog gun device, a noise reduction device, a supporting structure, a water supply system, a PLC intelligent control system and an overhaul platform; the fog gun device and the PLC intelligent control system are both fixed on the top of the supporting structure and the top of the water supply system; the noise reduction device is arranged at the tail part of the fog gun device, and the maintenance platform is arranged at the upper parts of the supporting structure and the water supply system and is positioned below the maintenance opening; the supporting structure and the water supply system are fixed on the foundation;
the fog gun device comprises a fan, an anti-blocking adjustable nozzle, a booster pump unit, an electric control cabinet, a fixed blade, a guide cylinder and a rotary bracket; the anti-clogging adjustable nozzle is arranged at the axis position of the guide cylinder, and the fixed blade is arranged in the guide cylinder and divides the guide cylinder into wind tunnels with the same or different sizes; the fan is arranged at one end of the guide cylinder; the anti-blocking adjustable nozzle is connected with the booster pump unit through a water inlet pipe, and the booster pump unit is connected with the electric control cabinet through a booster pump power supply control line; the electric control cabinet is connected with the fan through a fan power supply control line; the guide cylinder is fixed on the rotary bracket;
the noise reduction device comprises a support cylinder, sound absorption cotton, a hole cylinder and a noise reduction body; the hole cylinder is horn-shaped, small holes are uniformly distributed in the surface of the hole cylinder, the hole cylinder is arranged on the inner side of the horn-shaped supporting cylinder and is fixedly connected with the supporting cylinder, the hole cylinder is coaxial with the supporting cylinder, sound absorption cotton and hydrophobic cloth are filled between the hole cylinder and the supporting cylinder, and 3 rows of noise reduction bodies are arranged in the supporting cylinder and are welded with the inner wall of the supporting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154020.3A CN110898575A (en) | 2019-11-22 | 2019-11-22 | Tower-type fog gun device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154020.3A CN110898575A (en) | 2019-11-22 | 2019-11-22 | Tower-type fog gun device |
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| Publication Number | Publication Date |
|---|---|
| CN110898575A true CN110898575A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911154020.3A Pending CN110898575A (en) | 2019-11-22 | 2019-11-22 | Tower-type fog gun device |
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| CN (1) | CN110898575A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756124A (en) * | 2020-12-30 | 2021-05-07 | 河北工业大学 | Multifunctional spraying device and use method |
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2019
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| DE102004012967A1 (en) * | 2003-06-13 | 2004-12-30 | Cft Gmbh Compact Filter Technic | Dust collector with multi-jet nozzles |
| CN2813698Y (en) * | 2005-07-19 | 2006-09-06 | 赵崇久 | Efficient noise-reducing road sound insulation screen |
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| CN112756124A (en) * | 2020-12-30 | 2021-05-07 | 河北工业大学 | Multifunctional spraying device and use method |
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Application publication date: 20200324 |