CN204485551U - One is multi-functional penetrates mist dust-falling mechanism - Google Patents
One is multi-functional penetrates mist dust-falling mechanism Download PDFInfo
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- CN204485551U CN204485551U CN201520114152.4U CN201520114152U CN204485551U CN 204485551 U CN204485551 U CN 204485551U CN 201520114152 U CN201520114152 U CN 201520114152U CN 204485551 U CN204485551 U CN 204485551U
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Abstract
The utility model relates to a kind of multi-functionally penetrates mist dust-falling mechanism, and include blast system, the power source (motor or hydraulic motor) that described blast system is rotated by current collector, air duct, spray canister, impeller, impeller forms; Described current collector and air duct, the connection of air duct and spray canister adopts Flange joint, and installing/dismounting is all very convenient.Described multi-functional mist dust-falling mechanism of penetrating adopts blocking design, and unit both can closely combine together, and also according to user's requirement or actual conditions, the unit had can be set to other place, flexible combination, realizes a tractor serves several purposes.
Description
Technical field
The utility model relates to a kind of spraying machine, relates to more specifically a kind of multi-functionally penetrating mist dust-falling mechanism, belongs to atomizing de-dusting air cleaning facility technical field.
Background technology
Along with carrying forward vigorously of China's process of industrialization, the exploitation of various large surface mine, the increase of port and pier open storage ground increases, large-scale metallurgical enterprise, the increase of chemical enterprise emission, the removal in city etc., the particularly swift and violent growth of motor vehicle, air pollution is day by day serious, pollutes this type of, and most effective method penetrates mist depositing dust exactly at present.And when we are employing blocking design, each unit can closely combine together, also can as required the unit had be founded a room in the strange land, can clear water be sprayed, also can spray the solution that with the addition of solvable additive, a kind of plant extraction liquid of acquisition national patent of my company's development can be sprayed especially, to harmful substance successfuls such as elimination PM2.5, be applicable to any region of air-polluting, good depositing dust can have been reached and to purify air effect, become the multi-functional of a kind of excellent performance and penetrate mist dust-falling mechanism.
Summary of the invention
The purpose of this utility model is to overcome prior art deficiency, provides very strong multi-functional of a kind of adaptability to penetrate mist dust-falling mechanism.
The purpose of this utility model is realized by following technical proposal: multi-functional mist dust-falling mechanism of penetrating includes blast system (1), rotating seat (2), gear slew gear (3), base (4), hydraulic lifting system (5), liquid-way system (6) and electric control box (7), described multi-functional mist dust-falling mechanism of penetrating is provided with base (4), base (4) is provided with gear slew gear (3), gear slew gear (3) is installed rotating seat (2), rotating seat (2) is upper is blast system (1); Described blast system (1) is made up of current collector, air duct, spray canister, impeller and power source/motor; It is inner that current collector is contained in air duct one end, spray canister is contained in air duct other end end, end socket is equipped with in current collector front portion, end socket can play guide functions, current collector afterbody dress protective cover, and protective cover can prevent foreign matter from entering blower fan, radially arrange in air duct and be evenly distributed with several pieces stators, the outer end of stator is welded on air duct inwall, and the inner of stator is welded on stator cylinder, and there is the ring flange for installing power source stator cylinder one end; Spray canister is built with starting taper; Impeller is that power source drives by a jetting type axial flow blower/motor; Impeller is contained on power source output shaft, and this output shaft is coaxial with air duct center line; Current collector and air duct, air duct and spray canister all adopt Flange joint; Solid and reliable, convenient disassembly; Described air duct is provided with lifting eye.Described stator, guide plate, starting taper, impeller are all through aerodynamic optimization design, and make air quantity, blast, flow velocity reach best of breed, jet length greatly improves; Described air duct is provided with lifting eye.
Described rotating seat (2) is provided with electric rotating machine, and the pinion on it rotates around gear slew gear (3), and driven rotary seat (2) rotates, thus realizes the left rotation and right rotation of blast system (1); Described rotating seat (2) is provided with travel switch, can realize rotating seat (2) left and right 320o and rotate, and any position can stop within the scope of this; Described rotating seat (2) is provided with hydraulic jack, the piston of hydraulic jack is connected with blast system (1), promote piston by the fuel feeding of hydraulic system (5) and move the pitching up and down realizing blast system (1), its angle is-15o-45o, and any position can stop within the scope of this; Described hydraulic system (5) is provided with hydraulic lock.
Described multi-functional mist dust-falling mechanism of penetrating is provided with liquid-way system (6), and liquid-way system (6) is made up of atomizer, water ring, pipe-line system and high pressure liquid pump; The hard tube part of described atomizer, water ring, pipe-line system all adopts high-quality stainless steel, high pressure liquid pump is multistage stainless steel liquid pump, the hose segment of pipe-line system adopts high-pressure hose, pressure-bearing is not less than 10MPa, liquid-way system (6) can use clear water, also can adapt to the solution adding solvable additive; Described high pressure liquid pump can be driven by motor or by fluid motor-driven; Described atomizer is through minute design, and the droplet of ejection is minimum is several microns; Described liquid-way system (6) is provided with liquid inlet electromagnetic valve, strainer valve, tapping ball valve and swivel joint.
Described multi-functional mist dust-falling mechanism of penetrating is provided with electric control box (7), and described electric control box (7) is connected with all power units by circuit, realizes the control to all electrical equipments; Electric control box (7) is provided with remote-receiver, can receive the wireless signal that hand-held remote controller is launched, and realizes the multi-functional remote pilot penetrating mist dust-falling mechanism; Described electric control box (7) is powered by utility grid or by diesel-electric set electric supply.
Described multi-functional mist dust-falling mechanism of penetrating adopts blocking design, unit both can closely combine together, also according to user's requirement or actual conditions, the unit had can be set to other local placement, realize a tractor serves several purposes, the unit even had can be cancelled, as long as be built on the rock, just can save base (4), gear slew gear (3) is directly fixed on basis.
The utility model technical essential is that the power source (motor or hydraulic motor) that described blast system is rotated by current collector, air duct, spray canister, impeller, impeller forms; Described current collector is provided with end socket, and its afterbody is provided with protective cover; Described air duct has radially been evenly arranged several pieces stators, and stator outer end is welded with air duct inwall and is connected as a single entity, and inner also the employing with stator cylinder of stator is welded to connect, and there is ring flange stator cylinder one end, its endoporus and air duct central axis coaxial; Described spray canister is furnished with starting taper along spray canister central axis, and starting taper and spray canister are connected as a single entity by several pieces guide plates be radially evenly arranged, guide plate and starting taper, and guide plate and spray canister all adopt and be welded to connect; Described current collector and air duct, the connection of air duct and spray canister adopts Flange joint, and installing/dismounting is all very convenient.Described multi-functional mist dust-falling mechanism of penetrating adopts blocking design, and unit both can closely combine together, and also according to user's requirement or actual conditions, the unit had can be set to other place, flexible combination, realizes a tractor serves several purposes.
The multi-functional mist dust-falling mechanism of penetrating of the utility model adopts blocking design, unit establishes one's own system, and both can closely combine together, also according to user's requirement or actual conditions, the unit had can be set to other place, realize a tractor serves several purposes, the unit even had can be cancelled.Such as: as long as be built on the rock, just can save base, gear slew gear is directly fixed on basis; For tower-type, lift we the Hydraulic Station of electric control box, liquid pump, even hydraulic system can be removed to ground.
Accompanying drawing explanation
Fig. 1 is the multi-functional structural representation penetrating mist dust-falling mechanism of the utility model.
Detailed description of the invention
The multi-functional mist dust-falling mechanism of penetrating of the utility model includes blast system, rotating seat, gear slew gear, base, hydraulic lifting system, liquid-way system, electric control box.Its blast system is made up of current collector, air duct, spray canister, impeller, power source; Described current collector is provided with end socket, and can play good guide functions to air-flow, its afterbody is provided with protection network, foreign matter can be stoped to enter air duct, play a protective role to equipment, can ensure personal safety again simultaneously; Radially be furnished with several pieces stators equally distributed in described air duct, stator outer end is welded on air duct inwall, and the inner is welded on stator cylinder, and there is the ring flange for installing power source stator cylinder one end; Described ring flange central axis is coaxial with air duct, the optional motor of power source or hydraulic motor (fixed, tower-type, lift, towed general employing motor, vehicular can adopt motor, also hydraulic motor can be adopted, hydraulic motor takes from the power drive of automotive transmission by power takeoff, and described ring flange is different according to the difference of power source used); Be provided with starting taper in described spray canister, radial several pieces guide plates equally distributed, guide plate is welded on starting taper and spray canister inwall respectively; Described current collector and air duct, air duct and spray canister all adopt Flange joint, solid and reliable, convenient disassembly; Described stator, guide plate, starting taper, impeller are all through aerodynamic optimization design, and make air quantity, blast, flow velocity reach best of breed, jet length greatly improves; Described air duct is provided with lifting eye, is convenient to installing/dismounting.
Above-mentioned multi-functional mist dust-falling mechanism of penetrating is provided with base, and base below four sides all has installing hole, and being convenient to its installation, base being provided with gear slew gear, rotating seat installed by gear slew gear, rotating seat is blast system; Described rotating seat is provided with electric rotating machine, and the pinion on it rotates around gear slew gear, and driven rotary seat rotates, thus realizes the left rotation and right rotation of blast system; Described rotating seat is provided with travel switch, can realize rotating seat left and right 320o and rotate, and any position can stop within the scope of this.
The piston of two hydraulic jacks that above-mentioned rotating seat is installed is connected with blast system, and promote piston by the fuel feeding of hydraulic system and move the pitching up and down realizing blast system, its angle is-15o-45o, and any position can stop within the scope of this; Described hydraulic system is provided with hydraulic lock, can ensure the safety of hydraulic system further.
Liquid-way system is made up of atomizer, water ring, pipe-line system, high pressure liquid pump; The hard tube part of described atomizer, water ring, pipe-line system all adopts high-quality stainless steel, high pressure liquid pump is that (fixed, tower-type, lift, towed general employing motor drive vertical pump to multistage stainless steel liquid pump, and vehicular generally adopts horizontal pump, its type of drive has motor driving or power takeoff to take from the power drive of automobile gearbox), the hose segment of pipe-line system adopts high-pressure hose, pressure-bearing is not less than 10MP, this liquid-way system can use clear water, also can adapt to the solution adding solvable additive; A kind of plant extraction liquid of acquisition national patent of my company's development can be sprayed especially, this plant extraction liquid particle is tiny, surface area is larger, have extremely strong biologically active, droplet floats in the air, catches absorption PM2.5, SO2, oxynitrides, nitrate, heavy metal ion etc. very competent, droplet and the mutual adsorpting aggregation of nuisance, finally drop to ground, reach splendid dust-laying effect; Described atomizer is through minute design, and the droplet of ejection is minimum is several microns; Described liquid-way system is provided with liquid inlet electromagnetic valve, strainer valve, tapping ball valve, swivel joint.
Liquid inlet electromagnetic valve controls entering and ending of liquid; Strainer valve can filter fine particle thing, prevents the blocking of shower nozzle, and its valve body is provided with plug, can unload easily, cleaned filter screen; Tapping ball valve can bleed off the remaining liq of liquid-way system easily, prevent temperature lower than during 0o Celsius to the damage of liquid-way system; Swivel joint can prevent the distortion of pipeline when rotating seat left rotation and right rotation.
The circuit of described electric control box is connected with all power units, realizes the control to all electrical equipments; Described electric control box is provided with remote-receiver, can receive the wireless signal that hand-held remote controller is launched, and realizes the remote pilot this being penetrated to mist dust-falling mechanism; Described electric control box can be powered by utility grid, also can by diesel-electric set electric supply.
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
embodiment 1: basis is multi-functional penetrates mist dust-falling mechanism, and its part has blast system 1, rotating seat 2, gear slew gear 3, base 4, hydraulic lifting system 5, liquid-way system 6, electric control box 7; Described blast system (1) is made up of current collector, air duct, spray canister, impeller and power source/motor; It is inner that current collector is contained in air duct one end, spray canister is contained in air duct other end end, end socket is equipped with in current collector front portion, end socket can play guide functions, current collector afterbody dress protective cover, and protective cover can prevent foreign matter from entering blower fan, radially arrange in air duct and be evenly distributed with several pieces stators, the outer end of stator is welded on air duct inwall, and the inner of stator is welded on stator cylinder, and there is the ring flange for installing power source stator cylinder one end; Spray canister is built with starting taper; Impeller is that power source drives by a jetting type axial flow blower/motor; Impeller is contained on power source output shaft, and this output shaft is coaxial with air duct center line; Current collector and air duct, air duct and spray canister all adopt Flange joint; Described air duct is provided with lifting eye.The optional motor of power source or hydraulic motor (fixed, tower-type, lift, towed general employing motor, vehicular can adopt motor, also hydraulic motor can be adopted, hydraulic motor takes from the power drive of automotive transmission by power takeoff, and described ring flange designs respectively according to the difference of power source used); Be provided with starting taper in described spray canister, radial several pieces guide plates equally distributed, guide plate is welded on starting taper outer wall and spray canister inwall respectively; Described current collector and air duct, air duct and spray canister all adopt Flange joint, solid and reliable, convenient disassembly; Described stator, guide plate, starting taper, impeller are all through aerodynamic optimization design, and make air quantity, blast, flow velocity reach best of breed, jet length greatly improves; Described air duct is provided with lifting eye, is convenient to installing/dismounting; Described motor can adopt VFC; The rotating speed of described hydraulic motor is controlled by gas; Above-mentioned multi-functional mist dust-falling mechanism of penetrating is provided with base 4, and base 4 being provided with gear slew gear 3, gear slew gear 3 being installed rotating seat 2, rotating seat 2 is blast system 1; Described rotating seat 2 is provided with electric rotating machine, and this motor speed is very low, and moment of torsion is very large, and the pinion on it rotates around gear slew gear 3, and driven rotary seat 2 rotates, thus realizes the left rotation and right rotation of blast system 1; Described rotating seat 2 is provided with travel switch, and gear slew gear 3 is provided with block, can realize rotating seat about 2 320o and rotate (being set as each 90o around when dispatching from the factory), and any position can stop within the scope of this; Described rotating seat 2 is provided with two hydraulic jacks, the piston of hydraulic jack is connected with blast system 1, promotes piston and moves, realize the pitching up and down of blast system 1 by the fuel feeding of hydraulic system 5, its angle is-15o-45o, and any position can stop within the scope of this; Described hydraulic system 5 is provided with hydraulic lock, improves the security of hydraulic system further; Above-mentioned liquid-way system 6 is made up of atomizer, water ring, pipe-line system, high pressure liquid pump; The hard tube part of described atomizer, water ring, pipe-line system all adopts high-quality stainless steel, high pressure liquid pump is that (fixed, tower-type, lift, towed general employing motor drive vertical pump to multistage stainless steel liquid pump, and vehicular generally adopts horizontal pump, its type of drive has motor driving or power takeoff to take from the power drive of automobile gearbox), the hose segment of pipe-line system adopts high-pressure hose, pressure-bearing is not less than 10MP, this liquid-way system can use clear water, also can adapt to the solution adding solvable additive; A kind of plant extraction liquid of acquisition national patent of my company's development can be sprayed especially, this plant extraction liquid particle is tiny, surface area is larger, have extremely strong biologically active, droplet floats in the air, catches absorption PM2.5, SO2, oxynitrides, nitrate, heavy metal ion etc. very competent, droplet and the mutual adsorpting aggregation of nuisance, finally drop to ground, reach splendid dust-laying effect; Described atomizer is through minute design, and the droplet of ejection is minimum is only several microns, and droplet blowing through blast system 1, the further refinement of droplet degree, floating apart from farther, aloft the time of staying is longer, can adsorb more multi-pollutant; Described liquid-way system 6 is provided with liquid inlet electromagnetic valve, strainer valve, tapping ball valve, swivel joint (being high-quality stainless steel).Liquid inlet electromagnetic valve controls entering and ending of liquid; Strainer valve can filter fine particle thing, prevents the blocking of shower nozzle, and its valve body is provided with plug, can unload easily, cleaned filter screen; Tapping ball valve can bleed off the remaining liq of liquid-way system 6 easily, prevent temperature lower than during 0o Celsius to the damage of liquid-way system 6; Swivel joint can prevent the distortion of pipeline when rotating seat 2 left rotation and right rotation; Above-mentioned electric control box 7 is connected with all power units by circuit, realizes the control to all power units; Described electric control box 7 is provided with remote-receiver, can receive the wireless signal that hand-held remote controller is launched, and realizes the remote pilot this being penetrated to mist dust-falling mechanism; Described electric control box 7 can be powered by utility grid, also can by diesel-electric set electric supply (being generally used for vehicular).
Above-mentioned multi-functional mist dust-falling mechanism design concept of penetrating is advanced, employing blocking designs, unit establishes one's own system, both can closely combine together, also according to user's requirement or actual conditions, the unit had can be set to other place, realize a tractor serves several purposes, some unit even can be cancelled according to actual service condition.
The multi-functional technical essential of penetrating mist dust-falling mechanism of the utility model includes blast system, and the power source (motor or hydraulic motor) that described blast system is rotated by current collector, air duct, spray canister, impeller, impeller forms; Described current collector is provided with end socket, and its afterbody is provided with protective cover; Described air duct has radially been evenly arranged several pieces stators, and stator outer end is welded with air duct inwall and is connected as a single entity, and inner also the employing with stator cylinder of stator is welded to connect, and there is ring flange stator cylinder one end, its endoporus and air duct central axis coaxial; Described spray canister is furnished with starting taper along spray canister central axis, and starting taper and spray canister are connected as a single entity by several pieces guide plates be radially evenly arranged, guide plate and starting taper, and guide plate and spray canister all adopt and be welded to connect; Described current collector and air duct, the connection of air duct and spray canister adopts Flange joint, and installing/dismounting is all very convenient.Described blast system is placed on rotating seat; Gear slew gear is provided with bottom described rotating seat; Described gear slew gear is fixed on the base of its bottom; Described rotating seat is provided with electric rotating machine; Described rotating seat is provided with the hydraulic jack that same blast system is connected; The multi-functional mist dust-falling mechanism of penetrating of described one is provided with liquid-way system, and this liquid-way system is made up of atomizer, water ring, pipe-line system, high pressure liquid pump; The hard tube part of described atomizer, water ring, pipe-line system all adopts high-quality stainless steel, and high pressure liquid pump is multistage stainless steel liquid pump, high pressure liquid pump discrete and horizontal two kinds, and power is motor or hydraulic motor; The hose segment of pipe-line system adopts high-pressure hose, and pressure-bearing is not less than 10MP, and this liquid-way system can use clear water, also can adapt to the solution adding solvable additive; Described atomizer is through minute design, and the droplet of ejection is minimum is tens microns; Described stator, guide plate, starting taper, impeller are all through aerodynamic optimization design, and make air quantity, blast, flow velocity reach optimum proportioning, make the further refinement of the droplet of ejection, the distance of injection improves further; Described blast system can turn round left and right, turns round realization by rotating seat around gear rotation mechanism; Described blast system can pitching up and down, is realized by the oil cylinder pushing piston movement of hydraulic system; Described multi-functional mist dust-falling mechanism of penetrating is provided with electric control box, realizes the control to all electrical equipments; Described electric control box is provided with remote-receiver, can receive the wireless signal that hand-held remote controller is launched, and realizes the remote pilot this being penetrated to mist dust-falling mechanism; Described multi-functional mist dust-falling mechanism of penetrating adopts blocking design, and unit both can closely combine together, and also according to user's requirement or actual conditions, the unit had can be set to other place, flexible combination, realizes a tractor serves several purposes.
Claims (5)
1. multi-functionally penetrate mist dust-falling mechanism for one kind, it is characterized in that mechanism includes blast system (1), rotating seat (2), gear slew gear (3), base (4), hydraulic lifting system (5), liquid-way system (6) and electric control box (7), described multi-functional mist dust-falling mechanism of penetrating is provided with base (4), base (4) is provided with gear slew gear (3), gear slew gear (3) is installed rotating seat (2), rotating seat (2) is upper is blast system (1); Described blast system (1) is made up of current collector, air duct, spray canister, impeller and power source/motor; It is inner that current collector is contained in air duct one end, spray canister is contained in air duct other end end, end socket is equipped with in current collector front portion, end socket can play guide functions, current collector afterbody dress protective cover, and protective cover can prevent foreign matter from entering blower fan, radially arrange in air duct and be evenly distributed with several pieces stators, the outer end of stator is welded on air duct inwall, and the inner of stator is welded on stator cylinder, and there is the ring flange for installing power source stator cylinder one end; Spray canister is built with starting taper; Impeller is that power source drives by a jetting type axial flow blower/motor; Impeller is contained on power source output shaft, and this output shaft is coaxial with air duct center line; Current collector and air duct, air duct and spray canister all adopt Flange joint; Described air duct is provided with lifting eye.
2. according to claim 1ly multi-functionally penetrate mist dust-falling mechanism, it is characterized in that: described rotating seat (2) is provided with electric rotating machine, pinion on it rotates around gear slew gear (3), and driven rotary seat (2) rotates, thus realizes the left rotation and right rotation of blast system (1); Described rotating seat (2) is provided with travel switch, realizes swivel base (2) left and right 320o and rotates and any position can stop within the scope of this; Described rotating seat (2) is provided with hydraulic jack, the piston of hydraulic jack is connected with blast system (1), promote piston by the fuel feeding of hydraulic system (5) to move up and down, realize the nutation of facing upward of blast system (1), its nutation angular range of facing upward is-15o-45o, and any position can stop within the scope of this; Hydraulic system (5) is provided with hydraulic lock.
3. according to claim 1ly multi-functionally penetrate mist dust-falling mechanism, it is characterized in that: described multi-functional mist dust-falling mechanism of penetrating is provided with liquid-way system (6), and liquid-way system (6) is made up of atomizer, water ring and pipe-line system and high pressure liquid pump; High pressure liquid pump is multistage stainless steel liquid pump, and the hose segment of pipe-line system adopts high-pressure hose, and pressure-bearing is not less than 10MPa, and liquid-way system (6) uses clear water or is added with the solution of solvable additive; Described high pressure liquid pump can be driven by motor or by fluid motor-driven; The droplet of described atomizer ejection is minimum is several microns; Described liquid-way system (6) is provided with liquid inlet electromagnetic valve, strainer valve, tapping ball valve and swivel joint.
4. according to claim 1ly multi-functionally penetrate mist dust-falling mechanism, it is characterized in that: described multi-functional mist dust-falling mechanism of penetrating is provided with electric control box (7), described electric control box (7) is connected with whole power unit by circuit, realizes the control to whole electrical equipment; Electric control box (7) is provided with remote-receiver, can receive the wireless signal that hand-held remote controller is launched, and realizes the multi-functional remote pilot penetrating mist dust-falling mechanism; Described electric control box (7) is powered by utility grid or by diesel-electric set electric supply.
5. multi-functional mist dust-falling mechanism of penetrating according to claim 1 is characterized in that: described multi-functional mist dust-falling mechanism of penetrating adopts blocking design, unit both can closely combine together, also according to user's requirement or actual conditions, the unit had can be set to other local placement.
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| CN201520114152.4U CN204485551U (en) | 2015-02-17 | 2015-02-17 | One is multi-functional penetrates mist dust-falling mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709957A (en) * | 2016-04-18 | 2016-06-29 | 昆明奥图环保设备股份有限公司 | Atomizing system of mist spraying dust reducing equipment |
| CN107916952A (en) * | 2017-11-20 | 2018-04-17 | 河北科技大学 | A kind of mobile tunnel explosion dust-extraction unit |
| CN108325302A (en) * | 2018-01-31 | 2018-07-27 | 青岛理工大学 | Dust collector for mine mining |
| CN110354608A (en) * | 2019-07-04 | 2019-10-22 | 杨晓鑫 | A kind of pressed brick powder environmental-friendly dust suppression equipment |
| CN111939692A (en) * | 2020-07-28 | 2020-11-17 | 肖春莲 | Dust device of building engineering |
| WO2021212552A1 (en) * | 2020-04-24 | 2021-10-28 | 国云顺成环保工程(云南)有限公司 | Rain spraying machine with disinfection and sterilization functions |
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2015
- 2015-02-17 CN CN201520114152.4U patent/CN204485551U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709957A (en) * | 2016-04-18 | 2016-06-29 | 昆明奥图环保设备股份有限公司 | Atomizing system of mist spraying dust reducing equipment |
| CN107916952A (en) * | 2017-11-20 | 2018-04-17 | 河北科技大学 | A kind of mobile tunnel explosion dust-extraction unit |
| CN108325302A (en) * | 2018-01-31 | 2018-07-27 | 青岛理工大学 | Dust collector for mine mining |
| CN110354608A (en) * | 2019-07-04 | 2019-10-22 | 杨晓鑫 | A kind of pressed brick powder environmental-friendly dust suppression equipment |
| WO2021212552A1 (en) * | 2020-04-24 | 2021-10-28 | 国云顺成环保工程(云南)有限公司 | Rain spraying machine with disinfection and sterilization functions |
| CN111939692A (en) * | 2020-07-28 | 2020-11-17 | 肖春莲 | Dust device of building engineering |
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