CN109520900A - A kind of construction site fugitive dust monitoring method - Google Patents
A kind of construction site fugitive dust monitoring method Download PDFInfo
- Publication number
- CN109520900A CN109520900A CN201811543249.1A CN201811543249A CN109520900A CN 109520900 A CN109520900 A CN 109520900A CN 201811543249 A CN201811543249 A CN 201811543249A CN 109520900 A CN109520900 A CN 109520900A
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- main shaft
- water
- dust
- watering
- monitoring unit
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- 239000000428 dust Substances 0.000 title claims abstract description 80
- 238000012544 monitoring process Methods 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000001629 suppression Effects 0.000 claims abstract description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
Abstract
The invention discloses a kind of construction site fugitive dust monitoring methods, include the following steps: step 1: dust suppression equipment being fixed on construction area, connects to power supply dust suppression equipment, and connect the water pump in dust suppression equipment with external source；Step 2: connection power supply makes feedback of the central controller in dust suppression equipment by monitoring unit, controls motor and pump working；Dust suppression equipment includes pedestal and the main shaft that is vertically arranged, is connected with watering unit and monitoring unit on main shaft, and motor can make to sprinkle water unit and monitoring unit with the rotation of main shaft axle center, and the water pump unit that can make to sprinkle water is sprayed water；Step 3: infrared remote receiver judges whether to receive the signal of infrared transmitter sending every time t.Energy real-time monitoring of the present invention realizes Self-watering by central controller, the fugitive dust index of construction site is effectively reduced.
Description
Technical field
The present invention relates to environment-friendly engineering technical fields, and in particular to a kind of construction site fugitive dust monitoring method.
Background technique
Green construction has become current construction enterprises to one of the emphasis of construction site management, construction site dust controlling,
It is the most important thing of green construction.Fugitive dust is controlled, the monitoring and control method that must have just had.Construction site is raised
The control method of dirt has very much, such as increases hardening area and spray sprinkler.It is seldom for the monitoring method of fugitive dust, only
It is monitored using special instruments such as the model 5030 for the surveying PM2.5 or fh 62c-14 for surveying PM10.However, these professions are set
Standby unsuitable construction site, it is first expensive, moreover lack real-time and linkage, it can not monitor for a long time, it is even more impossible to
It is used in combination with spraying equal dust suppression equipments.
Summary of the invention
The main purpose of the present invention is to provide a kind of construction site fugitive dust monitoring method, real-time monitoring is controlled by center
Device processed realizes Self-watering, and the fugitive dust index of construction site is effectively reduced.
To achieve the above objectives, the technical solution adopted by the present invention are as follows: include the following steps:
Step 1: dust suppression equipment is fixed on construction area, connects to power supply dust suppression equipment, and is made in dust suppression equipment
Water pump connect with external source；Since dust suppression equipment occupied area is smaller, can applied according to the watering area of dust suppression equipment
Multiple dust suppression equipments are arranged in interval in the domain of work area, improve dust suppression efficiency.
Step 2: connection power supply makes feedback of the central controller in dust suppression equipment by monitoring unit, controls motor
And pump working；Dust suppression equipment includes pedestal and the main shaft that is vertically arranged, and watering unit and monitoring unit are connected on main shaft,
Motor can make watering unit and monitoring unit with the rotation of main shaft axle center, and water pump can make unit water spray of sprinkling water；Watering unit
When rotation, water moves out under the influence of centrifugal force, can increase dust suppression area.
Step 3: monitoring unit includes the infrared remote receiver and infrared transmitter being oppositely arranged, infrared remote receiver with it is infrared
Horizontal perforative dust-collecting cavity is equipped between transmitter, the draught area of the air inlet of dust-collecting cavity is greater than air outlet；Infrared remote receiver
Judge whether to receive the signal of infrared transmitter sending every time t；When fugitive dust density is larger, it can diffuse and raise in dust-collecting cavity
Dirt, interference infrared remote receiver receive signal.The fugitive dust density of monitoring unit monitoring can only judge whether it is rough more than one
Range can satisfy the use of construction site although being unable to monitor out accurate numerical value.
Step 4: if infrared remote receiver judgement receives signal, illustrate that the fugitive dust density in construction area is less than and face
Boundary's point feeds back to central controller, and the work of central controller controls motor encloses monitoring unit with main shaft axle center rotation n,
The motor working time is not more than t；When monitoring unit rotates, air flows to air outlet from the air inlet of dust-collecting cavity；Infrared remote receiver
Signal can be received, and there are two types of possibility, and one is fugitive dust density in region to be less than critical point, and another kind is monitoring unit place
Position is just at the less place of fugitive dust, so rotating monitoring unit, makes the fugitive dust near monitoring unit under the action of the forces of the wind
Density more evenly, and passes through dust-collecting cavity active collection fugitive dust, since air inlet is greater than air outlet, in the biggish feelings of fugitive dust density
Part fugitive dust can stay in dust-collecting cavity under condition, then directly can leave dust by air outlet in the lesser situation of fugitive dust density
Chamber makes to monitor more acurrate.
Step 5: if infrared remote receiver judgement does not receive signal, illustrate that the fugitive dust density in construction area is more than to face
Boundary's point feeds back to central controller, central controller controls motor and pump working, and operating time is not more than t, keeps watering single
First dust suppression of spraying water while rotating；Monitoring unit rotates together with, and air flows to air inlet from the air outlet of dust-collecting cavity.Due to
Air outlet is less than air inlet, blows out the fugitive dust in dust-collecting cavity convenient for air, monitoring unit is made to carry out the standard monitored next time
It is standby, avoid infrared remote receiver since the fugitive dust of long-time accumulation is in the state for not receiving signal always.Motor and plugman
The duration of work makes watering unit have the regular hour to make after work no more than the interval duration of monitoring unit monitoring fugitive dust density
Wet fugitive dust natural sedimentation, is then monitored again, more acurrate.
As an improvement, t is 10~20 minutes, n is 5~10 circles.
As an improvement, watering unit includes the second watering bar and the first watering bar, the second watering bar is horizontally fixed on main shaft
Upper end side, the second watering bar are equipped with several second nozzles sprayed water downwards；Main shaft lower end is socketed with using main shaft as axle center
Chuck, the first watering bar is horizontally fixed on chuck side, and the first watering bar is equipped with several first jets sprayed water upwards；
Chuck bottom is fixed with the secondary disk gear using main shaft as axle center, and the master shape tooth opposite with secondary disk gear is linked on main shaft
Wheel engage between main disk gear and secondary disk gear and is connected with driven wheel, and driven wheel side is equipped with fixation determining on the base
Position plate, horizontal on positioning plate to be equipped with rotatable impeller shaft, driven wheel is connected in impeller shaft；The motor being fixed in pedestal
Main shaft rotation is driven, so that the first watering bar and second be made to sprinkle water bar around main shaft reverse rotation.First watering bar and the second watering
Bar is worked in coordination watering in upper and lower ends, improves dust suppression area and efficiency；Since the first watering bar and the second watering bar are mutually opposite
To rotation, and the first watering bar is sprayed water upwards, so the fugitive dust moistened after the second watering bar watering of top will not be accumulated
On first watering bar of lower section；When the first watering bar and the second watering bar interlock, both ends are opposite to spray water, and increases dust suppression effect；
Positioning plate can also play the role of support the first watering bar.
As an improvement, monitoring unit is fixed on main shaft the side of the opposite second watering bar in end.Monitoring unit is mounted on
End not will receive the interference of the first watering bar and the second watering bar watering, avoid overweight steam that fugitive dust is made to be bonded in dust-collecting cavity
It is interior, moreover it is possible to adjust center of gravity.
As an improvement, being equipped with the intake chamber around main shaft in pedestal, external source can be pressed to intake chamber by water pump, main
A water main is equipped in axis vertically, water main bottom level is connected with the water inlet pipe for leading to intake chamber, and water inlet pipe is in master
Axis is connected to intake chamber always when rotating, and the horizontal connection of water main upper end has second sprinkler pipe for leading to second nozzle；Card
The effluent trough around main shaft is equipped in disk, the horizontal connection of water main side has the outlet pipe for leading to effluent trough, and outlet pipe exists
Main shaft is connected to effluent trough always when rotating, and the horizontal connection of effluent trough side has first sprinkler pipe for leading to first jet.
Intake chamber and effluent trough are set, makes main shaft when rotated, can be connected to always, prolong the service life without distorting water pipe also.
As an improvement, being equipped with the baffle being slidably connected in chuck between effluent trough and the first sprinkler pipe, chuck bottom end is set
There is the annular groove with positioning plate cooperation, when the first watering bar rotates, positioning plate slides in a ring groove；Baffle is equipped with and the
The throttle orifice of one sprinkler pipe cooperation, the hemispherical ends of baffle bottom can be moved in annular groove under gravity；It spills when first
When water bar is rotated to positioning plate direction, positioning plate pushes baffle to move up, and throttle orifice and the dislocation of the first sprinkler pipe, baffle make
The pipeline section product of first sprinkler pipe reduces, and increases the flow rate of water flow for leading to first jet.Since the setting of the first sprinkler pipe is the
Below two sprinkler pipes and first jet is sprayed water upwards, and wet fugitive dust may be covered on first jet, to cause to block up
Plug leads to the flow rate of water flow of first jet by positioning plate increase, can periodically dredge first jet before excessive blocking.
As an improvement, being fixedly connected with the ground pedestal, and make the positioning plate position on pedestal when fixed dust suppression equipment
Maximum side is acted in construction in construction area.It, can since the flow rate of water flow for leading to first jet at positioning Board position is larger
More efficiently to inhibit fugitive dust, so the maximum side most so as to cause fugitive dust of construction movement is arranged in.
As an improvement, being also linked with impeller in impeller shaft, impeller can drive driven wheel to rotate under the action of the wind.?
Monitoring unit rotation is driven by impeller under the action of wind-force, can more accurately monitor the fugitive dust in region, it can also be in electricity
Machine reinforces air circulation when working.
The present invention has the advantages that real-time monitoring, realizes Self-watering by central controller, it is existing that construction is effectively reduced
The fugitive dust index of field；Structure is simple, and monitoring unit is at low cost, just with popularization；The light intensity of adjusting infrared transmitter can be passed through
Density is monitored to correspond to different fugitive dusts.
Detailed description of the invention
Fig. 1 is outline flowchart of the invention；
Fig. 2 is the cross-sectional view of dust suppression equipment of the invention；
Fig. 3 is the partial enlarged view of A in the present invention；
Fig. 4 is the cross-sectional view in the direction B-B in Fig. 2；
Fig. 5 is the cross-sectional view in the direction C-C in Fig. 2；
Appended drawing reference: 1. pedestals；11. motor；12. water pump；13. intake chamber；14. positioning plate；15. driven wheel；2. main
Axis；21. water main；22. water inlet pipe；23. outlet pipe；24. the second sprinkler pipe；25. main disk gear；3. the first watering bar；
31. secondary disk gear；32. effluent trough；33. the first sprinkler pipe；34. first jet；35. annular groove；36. baffle；37. throttling
Hole；38. chuck；4. the second watering bar；41. second nozzle；5. monitoring unit；51. dust-collecting cavity；52. air outlet；53. infrared connect
Receive device；54. infrared transmitter；55. air inlet；6. impeller；61. impeller shaft.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
The present invention includes the following steps:
Step 1: dust suppression equipment is fixed on construction area, connects to power supply dust suppression equipment, and is made in dust suppression equipment
Water pump 12 connect with external source；
Step 2: connection power supply makes the central controller in dust suppression equipment pass through the feedback of monitoring unit 5, output signal
It controls motor 11 and water pump 12 works；Dust suppression equipment includes pedestal 1 and the main shaft 2 that is vertically arranged, is connected with watering on main shaft 2
Unit and monitoring unit 5, can make to sprinkle water unit and the monitoring unit 5 of motor 11 are rotated with 2 axle center of main shaft, and water pump 12 can be with
Make unit water spray of sprinkling water；
Step 3: monitoring unit 5 includes the infrared remote receiver 53 and infrared transmitter 54 being oppositely arranged, infrared remote receiver
Horizontal perforative dust-collecting cavity 51 is equipped between 53 and infrared transmitter 54, the draught area of the air inlet 55 of dust-collecting cavity 51 is greater than
Air outlet 52；Infrared remote receiver 53 judged whether to receive the signal of the sending of infrared transmitter 54 every 20 minutes；
Step 4: if the judgement of infrared remote receiver 53 receives signal, illustrate that the fugitive dust density in construction area is less than
Critical point feeds back to central controller, and central controller issues signal control motor 11 and works, and makes monitoring unit 5 with main shaft 2
For ten circle of axle center rotation, 11 revolving speed of motor is two circle per minute；When monitoring unit 5 rotates, air inlet of the air from dust-collecting cavity 51
55 flow to air outlet 52；
Step 5: if the judgement of infrared remote receiver 53 does not receive signal, illustrate that the fugitive dust density in construction area is more than
Critical point feeds back to central controller, and central controller issues signal control motor 11 and water pump 12 works, and works ten minutes,
The unit that makes to sprinkle water is sprayed water dust suppression while rotating；Monitoring unit 5 rotates together with, and air is flowed from the air outlet 52 of dust-collecting cavity 51
To air inlet 55；Watering unit stops working ten minutes later, and wet fugitive dust natural sedimentation ten minutes, interval two is ten minutes later
Infrared remote receiver 53 judges whether to receive signal again.
Specifically, watering unit includes the second watering bar 4 and the first watering bar 3, the second watering bar 4 is horizontally fixed on master
2 upper end side of axis, the second watering bar 4 are equipped with several second nozzles 41 sprayed water downwards；2 lower end of main shaft is socketed with master
Axis 2 is the chuck 38 in axle center, and the first watering bar 3 is horizontally fixed on 38 side of chuck, the first watering bar 3 be equipped with several to
The first jet 34 of upper water spray；38 bottom of chuck is fixed with the secondary disk gear 31 with main shaft 2 for axle center, is linked on main shaft 2
The main disk gear 25 opposite with secondary disk gear 31, engaged between main disk gear 25 and secondary disk gear 31 be connected with from
Driving wheel 15,15 side of driven wheel are equipped with the positioning plate 14 being fixed on pedestal 1, and level is equipped with rotatable leaf on positioning plate 14
Wheel shaft 61, driven wheel 15 are connected in impeller shaft 61；Being fixed on motor 11 in pedestal 1 drives main shaft 2 to rotate, to make the
One watering bar 3 and the second watering bar 4 are reversely rotated around main shaft 2.
Specifically, monitoring unit 5 is fixed on side of 2 upper end of main shaft with respect to the second watering bar 4.
Specifically, being equipped with the intake chamber 13 around main shaft 2 in pedestal 1, external source can be pressed to intake chamber by water pump 12
13, a water main 21 is equipped in main shaft 2 vertically, 21 bottom level of water main is connected with the water inlet for leading to intake chamber 13
Pipe 22, water inlet pipe 22 are connected to intake chamber 13 always when main shaft 2 rotates, and 21 upper end horizontal connection of water main has one to lead to
Second sprinkler pipe 24 of second nozzle 41；The effluent trough 32 around main shaft 2 is equipped in chuck 38,21 side level of water main connects
It is connected to the outlet pipe 23 for leading to effluent trough 32, outlet pipe 23 is connected to effluent trough 32 always when main shaft 2 rotates, and is discharged
32 side horizontal connection of slot has first sprinkler pipe 33 for leading to first jet 34.
Specifically, being equipped with the baffle 36 being slidably connected in chuck 38, chuck between effluent trough 32 and the first sprinkler pipe 33
38 bottom ends are equipped with the annular groove 35 cooperated with positioning plate 14, and when the first watering bar 3 rotates, positioning plate 14 is sliding in annular groove 35
It is dynamic；Baffle 36 is equipped with the throttle orifice 37 cooperated with the first sprinkler pipe 33, and the hemispherical ends of 36 bottom of baffle can be in the effect of gravity
Under be moved in annular groove 35；When the first watering bar 3 rotation to 14 direction of positioning plate, positioning plate 14 pushes baffle 36 upward
Mobile, throttle orifice 37 and the first sprinkler pipe 33 misplace, and baffle 36 reduces the pipeline section product of the first sprinkler pipe 33, increase logical
To the flow rate of water flow of first jet 34.
Specifically, being fixedly connected with the ground pedestal 1, and make the positioning plate 14 on pedestal 1 when fixed dust suppression equipment
Construction acts maximum side in construction area.
Specifically, being also linked with impeller 6 in impeller shaft 61, impeller 6 can drive driven wheel 15 to revolve under the action of the wind
Turn.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of construction site fugitive dust monitoring method, characterized by the following steps:
Step 1: being fixed on construction area for dust suppression equipment, connect to power supply dust suppression equipment, and makes the water pump in dust suppression equipment
It is connect with external source；
Step 2: connection power supply makes feedback of the central controller in dust suppression equipment by monitoring unit, controls motor and water pump
Work；Dust suppression equipment includes pedestal and the main shaft that is vertically arranged, is connected with watering unit and monitoring unit on main shaft, and motor can be with
Make watering unit and monitoring unit with the rotation of main shaft axle center, water pump can make unit water spray of sprinkling water；
Step 3: monitoring unit includes the infrared remote receiver and infrared transmitter being oppositely arranged, infrared remote receiver and infrared emission
Horizontal perforative dust-collecting cavity is equipped between device, the draught area of the air inlet of dust-collecting cavity is greater than air outlet；Infrared remote receiver every
Time t judges whether to receive the signal of infrared transmitter sending；
Step 4: if infrared remote receiver judgement receives signal, illustrating that the fugitive dust density in construction area is less than critical point,
Central controller is fed back to, the work of central controller controls motor makes monitoring unit with main shaft axle center rotation n circle, motor work
Make the time no more than t；When monitoring unit rotates, air flows to air outlet from the air inlet of dust-collecting cavity；
Step 5: if infrared remote receiver judgement does not receive signal, illustrating the fugitive dust density postcritical in construction area,
Central controller, central controller controls motor and pump working are fed back to, operating time is not more than t, is revolving watering unit
It sprays water while turning dust suppression；Monitoring unit rotates together with, and air flows to air inlet from the air outlet of dust-collecting cavity；
Wherein, watering unit includes the second watering bar and the first watering bar, and the second watering bar is horizontally fixed on main shaft upper end side,
Second watering bar is equipped with several second nozzles sprayed water downwards；Main shaft lower end is socketed with the chuck using main shaft as axle center, the
One watering bar is horizontally fixed on chuck side, and the first watering bar is equipped with several first jets sprayed water upwards；Chuck bottom
It is fixed with the secondary disk gear using main shaft as axle center, the main disk gear opposite with secondary disk gear, master are linked on main shaft
It is engaged between shape gear and secondary disk gear and is connected with driven wheel, driven wheel side is equipped with fixed positioning plate on the base, fixed
Horizontal on the plate of position to be equipped with rotatable impeller shaft, driven wheel is connected in impeller shaft；The motor being fixed in pedestal drives main shaft
Rotation, so that the first watering bar and second be made to sprinkle water bar around main shaft reverse rotation.
2. a kind of construction site fugitive dust monitoring method according to claim 1, it is characterised in that: t is 10~20 minutes, n
For 5~10 circles.
3. a kind of construction site fugitive dust monitoring method according to claim 1, it is characterised in that: monitoring unit is fixed on master
Side of the axis upper end with respect to the second watering bar.
4. a kind of construction site fugitive dust monitoring method according to claim 1, it is characterised in that: be equipped in pedestal around master
External source can be pressed to intake chamber, be equipped with a water main, water main bottom water vertically in main shaft by the intake chamber of axis, water pump
Flushconnection has the water inlet pipe for leading to intake chamber, and water inlet pipe is connected to intake chamber always when main shaft rotates, water main upper end
Horizontal connection has second sprinkler pipe for leading to second nozzle；The effluent trough around main shaft, water main side are equipped in chuck
Horizontal connection has the outlet pipe for leading to effluent trough, and outlet pipe is connected to effluent trough always when main shaft rotates, effluent trough one
Side horizontal connection has first sprinkler pipe for leading to first jet.
5. a kind of construction site fugitive dust monitoring method according to claim 4, it is characterised in that: effluent trough and the first watering
The baffle being slidably connected in chuck is equipped between pipe, chuck bottom end is equipped with the annular groove cooperated with positioning plate, the first watering bar
When rotation, positioning plate slides in a ring groove；Baffle is equipped with the throttle orifice cooperated with the first sprinkler pipe, the hemisphere of baffle bottom
End can be moved in annular groove under gravity；When the first watering bar is rotated to positioning plate direction, positioning plate pushes gear
Plate moves up, and throttle orifice and the first sprinkler pipe misplace, and baffle reduces the pipeline section product of the first sprinkler pipe, and increase leads to the
The flow rate of water flow of one nozzle.
6. a kind of construction site fugitive dust monitoring method according to claim 5, it is characterised in that: when fixed dust suppression equipment,
It is fixedly connected with the ground pedestal, and so that the positioning plate on pedestal is located at construction in construction area and acts maximum side.
7. a kind of construction site fugitive dust monitoring method according to claim 1, it is characterised in that: be also linked in impeller shaft
Impeller, impeller can drive driven wheel to rotate under the action of the wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543249.1A CN109520900B (en) | 2018-12-17 | Construction site dust monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543249.1A CN109520900B (en) | 2018-12-17 | Construction site dust monitoring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109520900A true CN109520900A (en) | 2019-03-26 |
| CN109520900B CN109520900B (en) | 2024-04-30 |
Family
ID=
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|---|---|---|---|---|
| KR101182641B1 (en) * | 2012-02-02 | 2012-09-14 | 알엔씨클린 주식회사 | Road dust cleaning equipment |
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| CN205340577U (en) * | 2016-01-26 | 2016-06-29 | 广东惠晟检验科技有限公司 | Two -way rotary spraying industrial waste gas purifier |
| CN205797530U (en) * | 2016-07-15 | 2016-12-14 | 重庆渝发建设有限公司 | A kind of dust-proof temp-lowering system |
| CN107413143A (en) * | 2017-09-15 | 2017-12-01 | 陈坚 | A kind of energy-saving environment protection intelligent tower crane high-altitude spray dust system |
| CN107930394A (en) * | 2018-01-15 | 2018-04-20 | 成都蒲江珂贤科技有限公司 | A kind of environmental protection air filtration evolution device |
| CN207307601U (en) * | 2017-09-22 | 2018-05-04 | 扬州嘉明环保科技有限公司 | A kind of fume desulfurizing tower |
| CN208043119U (en) * | 2018-04-16 | 2018-11-02 | 广西越知网络股份有限公司 | A kind of multifunctional intelligent airborne dust noise monitor acquisition system |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101182641B1 (en) * | 2012-02-02 | 2012-09-14 | 알엔씨클린 주식회사 | Road dust cleaning equipment |
| CN105046889A (en) * | 2015-08-07 | 2015-11-11 | 山西四建集团有限公司 | Construction site dust real time monitoring alarming linkage device |
| CN205340577U (en) * | 2016-01-26 | 2016-06-29 | 广东惠晟检验科技有限公司 | Two -way rotary spraying industrial waste gas purifier |
| CN205797530U (en) * | 2016-07-15 | 2016-12-14 | 重庆渝发建设有限公司 | A kind of dust-proof temp-lowering system |
| CN107413143A (en) * | 2017-09-15 | 2017-12-01 | 陈坚 | A kind of energy-saving environment protection intelligent tower crane high-altitude spray dust system |
| CN207307601U (en) * | 2017-09-22 | 2018-05-04 | 扬州嘉明环保科技有限公司 | A kind of fume desulfurizing tower |
| CN107930394A (en) * | 2018-01-15 | 2018-04-20 | 成都蒲江珂贤科技有限公司 | A kind of environmental protection air filtration evolution device |
| CN208043119U (en) * | 2018-04-16 | 2018-11-02 | 广西越知网络股份有限公司 | A kind of multifunctional intelligent airborne dust noise monitor acquisition system |
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