CN209696544U - A kind of environmental protection construction cleaner - Google Patents
A kind of environmental protection construction cleaner Download PDFInfo
- Publication number
- CN209696544U CN209696544U CN201822083903.7U CN201822083903U CN209696544U CN 209696544 U CN209696544 U CN 209696544U CN 201822083903 U CN201822083903 U CN 201822083903U CN 209696544 U CN209696544 U CN 209696544U
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- Prior art keywords
- air duct
- scissor
- water
- electric pushrod
- motion bar
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Abstract
The utility model discloses a kind of environmental protection construction cleaners, its structure includes water tank, water inlet, control panel, observation window, pulley, air duct, water jet, water pump, drinking-water pipe, blower, power supply line, lifting platform and fixed device, by the way that lifting platform is arranged, it drives threaded rod to rotate in the forward direction by motor the distance between the first motion bar and the second motion bar is adjusted, to adjust the flexible of the first scissor and the second scissor, and then the height of air duct, reach and air duct height is adjusted, convenient for being dusted to eminence, the beneficial effect tentatively degraded to dust, by the way that fixed device is arranged, it is connect by portal frame with air duct and is fixed through two sides rotating device, electric pushrod is fixed through link block and air duct, lift adjustment is carried out through control panel control electric pushrod convenient for adjusting air duct spray angle, reach to the external world Dust carries out comprehensive efficient degradation, and preventing construction personnel from sucking a large amount of dust influences the beneficial effect of health.
Description
Technical field
The utility model relates to dedusting technology fields, and in particular to a kind of environmental protection construction cleaner.
Background technique
Construction refers to the production activity of engineering construction implementation phase, is the building course of all kinds of buildings, can also be with
It says it is various lines on design drawing, in specified place, becomes process in kind.It includes basic engineering construction, master
Body structure construction, roof construction, decorative engineering construction etc..Having a large amount of dust on the building site of construction is that can not keep away
Exempt from, and live for a long time on-site there is presently no research and development cleaner workpeople, then can suck a large amount of dust, thus
Influence work, have the shortcomings that huge injury to the health of workpeople, thus need to research and develop one kind can dedusting, to improve work
Efficiency, reduction are to the construction protection dust-extraction unit of body harm, and with the development of modern dedusting technology, environmental protection construction is used
Cleaner has also obtained technological improvement, but the prior art: height adjustment can not be carried out to cleaner is convenient for extraneous dedusting,
And cleaner further can not be dusted the external world into angular adjustment.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of environmental protection construction cleaner, to solve that dedusting can not be set
The standby height adjustment that carries out is convenient for extraneous dedusting, and can not further be removed into angular adjustment to the external world to cleaner
The problem of dirt, reaches and carries out efficient degradation to external dust, and preventing construction personnel from sucking a large amount of dust influences having for health
Beneficial effect.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of environmental protection constructions to be set with dedusting
It is standby, including water tank, water inlet, control panel, observation window, pulley, air duct, water jet, water pump, drinking-water pipe, blower, power supply
Line, lifting platform and fixed device, the water tank middle top right side carries out grafting with water inlet, and is provided at the top of water inlet
Sealing cover, water tank front end right side central carry out be bonded, water tank front end left side central portion and observation with control panel
Window is welded, and observation window is transparent, and the water tank is bolted by surrounding frame and bottom end pulley, and sliding
There are four wheel is respectively provided with, the water tank top left hand is welded with lifting platform, and lifting platform is square-shaped, the lifting platform
Top is bolted with fixed device, and the fixed device inside top is bolted with air duct, and air duct is in circle
Cone cell, the air duct right side is provided with water jet, and is provided with water ring on the inside of water jet, and the water tank inside top passes through
Fixed plate is bolted with water pump, and the water pump carries out grafting, a left side on the inside of the air duct by top drinking-water pipe and air duct
End is welded with blower, carries out grafting with power supply line on the left of the water tank front center, the lifting platform is by pedestal, first
Scissor, the second scissor, the first motion bar, the second motion bar, motor, top plate, sliding slot and slide bar composition, the pan frontward end two sides
It is rotatablely connected with the first scissor by strut, the base rear end two sides carry out rotation company by strut with the second scissor
It connects, is bolted in the middle part of the first scissor right end with the first motion bar front end, it is living with second in the middle part of first scissor left end
Lever front end is bolted, and two sides are rotatablely connected with top plate by strut at the top of first scissor, second scissor
It is rotatablely connected with the first motion bar by strut in the middle part of right end, is passed through in the middle part of second scissor left end with the second motion bar
Strut is rotatablely connected, and two sides are rotatablely connected with top plate by strut at the top of second scissor, first activity
Bar middle-end is mutually inserted with motor right end, and the second motion bar middle-end is mutually inserted with motor left end, and the slide bar passes through the right side
Sideslip bar is slidably connected with pedestal, and pedestal bottom end surrounding is welded with water tank, and the fixed device is by terminal pad, dragon
Door frame, support rod, electric pushrod, link block and rotating device composition, the terminal pad top is welded with portal frame, described
Left and right ends are welded with support rod on the inside of portal frame, and support rod is put in 45 degree, in the middle part of the portal frame and electric
Dynamic push rod is welded, and the electric pushrod top is welded with link block, is provided at left and right sides of the portal frame top
Rotating device, the electric pushrod are welded by top and link block and air duct, the water pump, blower, motor and electronic
Push rod is electrically connected with control panel, and the control panel is electrically connected with power supply line.
Further, the control panel surface is provided with 9 control buttons, and control button respectively with water pump, wind
Mechanical, electrical machine and electric pushrod are electrically connected.
Further, the observation window is in rectangular shape, and observation window surface middle part is provided with graduated scale.
Further, the pedestal and top plate are in rectangular shape, and base bottom and top plate bottom are provided with one layer and prevent
Protection pad.
Further, the portal frame is in the font of falling C, and left and right ends are provided with rotating device at the top of portal frame, and
Rotating device is in rounded shape.
Further, the electric pushrod is put in 45 degree of inclinations, and is provided in the middle part of electric pushrod top and link block
Lock.
Further, the blower surrounding is provided with by 4 set squares, and triangle plate surface is provided with fixing groove.
Further, the motor model is Y-160M motor.
Further, the Model of pump is 50GW25-10-1.5 water pump.
Further, the blower model FT-020B blower.
Further, the electric pushrod model is ANT-26 electric pushrod.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1), to solve the problems, such as that can not carry out height adjustment to cleaner is convenient for extraneous dedusting, by the way that lifting platform is arranged,
It drives threaded rod to rotate in the forward direction by motor the distance between the first motion bar and the second motion bar is adjusted, to adjust
Flexible, and then the height of air duct of first scissor and the second scissor, reaches and air duct height is adjusted, convenient for carrying out to eminence
Dedusting, the beneficial effect tentatively degraded to dust.
2), to solve the problems, such as not being convenient for further being dusted the external world into angular adjustment to cleaner, pass through
Fixed device is set, is connect by portal frame with air duct and is fixed through two sides rotating device, electric pushrod is solid through link block and air duct
It is fixed, lift adjustment is carried out convenient for adjusting air duct spray angle through control panel control electric pushrod, reaches and external dust is carried out
Comprehensive efficient degradation, preventing construction personnel from sucking a large amount of dust influences the beneficial effect of health.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the water tank schematic diagram of internal structure of the utility model；
Fig. 3 is the air duct side structure schematic view of the utility model；
Fig. 4 is the lifting platform structural schematic diagram of the utility model；
Fig. 5 is the fixture structure schematic diagram of the utility model；
In figure: water tank -1, water inlet -2, control panel -3, observation window -4, pulley -5, lifting platform -6, fixed device -
7, air duct -8, water jet -9, water pump -10, drinking-water pipe -11, blower -12, power supply line -13, pedestal -61, the first scissor -62,
Two scissors -63, the first motion bar -64, the second motion bar -65, motor -66, top plate -67, sliding slot -68, slide bar -69, terminal pad -
71, portal frame -72, support rod -73, electric pushrod -74, link block -75, rotating device -76.
Specific embodiment
In the technical program:
Lifting platform 6, fixed device 7, pedestal 61, the first scissor 62, the second scissor 63, first the 64, second activity of motion bar
Bar 65, motor 66, top plate 67, sliding slot 68, slide bar 69, terminal pad 71, portal frame 72, support rod 73, electric pushrod 74, link block
75 and rotating device 76 be that the utility model contains the innovative component of essence.
Water tank 1, water inlet 2, control panel 3, observation window 4, pulley 5, air duct 8, water jet 9, water pump 10, drinking-water pipe
11, blower 12 and power supply line 13 are to realize the essential connectivity component of technical solutions of the utility model.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, the utility model provides a kind of environmental protection construction cleaner: including
Water tank 1, water inlet 2, control panel 3, observation window 4, pulley 5, air duct 8, water jet 9, water pump 10, drinking-water pipe 11, blower 12,
Power supply line 13, lifting platform 6 and fixed device 7,1 middle top of water tank right side carries out grafting with water inlet 2, and water inlet 2 pushes up
Portion is provided with sealing cover, and 1 front end right side central of water tank carries out be bonded, 1 front end left side central portion of water tank and sight with control panel 3
It surveys window 4 to be welded, and observation window 4 is transparent, water tank 1 is bolted by surrounding frame with bottom end pulley 5, and
There are four pulley 5 is respectively provided with, 1 top left hand of water tank is welded with lifting platform 6, and lifting platform 6 is square-shaped, lifting platform 6
Top is bolted with fixed device 7, and fixed 7 inside top of device is bolted with air duct 8, and air duct 8 is in circle
Cone cell is provided with water jet 9 on the right side of air duct 8, and is provided with water ring on the inside of water jet 9, and 1 inside top of water tank passes through fixation
Plate is bolted with water pump 10, and water pump 10 carries out grafting by top drinking-water pipe 11 and air duct 8,8 inside left-end of air duct with
Blower 12 is welded, and carries out grafting with power supply line 13 on the left of 1 front center of water tank, lifting platform 6 is by pedestal 61, the first scissor
62, the second scissor 63, the first motion bar 64, the second motion bar 65, motor 66, top plate 67, sliding slot 68 and slide bar 69 form, pedestal
61 front ends two sides are rotatablely connected with the first scissor 62 by strut, and 61 rear end sides of pedestal and the second scissor 63 pass through strut
It is rotatablely connected, is bolted in the middle part of 62 right end of the first scissor with 64 front end of the first motion bar, in the middle part of 62 left end of the first scissor
It being bolted with 65 front end of the second motion bar, 62 top two sides of the first scissor are rotatablely connected with top plate 67 by strut, the
It is rotatablely connected with the first motion bar 64 by strut in the middle part of two scissors, 63 right end, it is living with second in the middle part of 63 left end of the second scissor
Lever 65 is rotatablely connected by strut, and 63 top two sides of the second scissor are rotatablely connected with top plate 67 by strut, the
One motion bar, 64 middle-end is mutually inserted with 66 right end of motor, and 65 middle-end of the second motion bar is mutually inserted with 66 left end of motor, slide bar
69 are slidably connected by right-side slide bar 69 with pedestal 61, and 61 bottom end surrounding of pedestal is welded with water tank 1, fixed device
7 are made of terminal pad 71, portal frame 72, support rod 73, electric pushrod 74, link block 75 and rotating device 76, and terminal pad 71 is pushed up
Portion is welded with portal frame 72, and 72 inside left and right ends of portal frame are welded with support rod 73, and support rod 73 is in 40
Five degree are put, and 72 middle part of portal frame is welded with electric pushrod 74, and 74 top of electric pushrod is welded with link block 75, dragon
Rotating device 76 is provided at left and right sides of 72 top of door frame, electric pushrod 74 is welded by top with link block 75 and air duct 8
It connects, water pump 10, blower 12, motor 66 and electric pushrod 74 are electrically connected with control panel 3, control panel 3 and power supply line
13 are electrically connected.
Wherein, 3 surface of control panel is provided with 9 control buttons, and control button respectively with water pump 10, blower
12, motor 66 and electric pushrod 74 are electrically connected, and are conducive to the energization connection of equipment.
Wherein, the observation window 4 is in rectangular shape, and 4 surface middle part of observation window is provided with graduated scale, be conducive to using
Person observes inside water.
Wherein, the pedestal 61 and top plate 67 are in rectangular shape, and 61 bottom of pedestal and 67 bottom of top plate are provided with one
Layer protective pad is beneficial to prevent equipment and generates impression.
Wherein, the portal frame 72 is in the font of falling C, and 72 top left and right ends of portal frame are provided with rotating device 76,
And rotating device 76 is in rounded shape, is conducive to the angular adjustment of equipment.
Wherein, the electric pushrod 74 is put in 45 degree of inclinations, and is arranged in the middle part of 74 top of electric pushrod and link block 75
There is lock, is conducive to further adjust equipment angle.
Wherein, 12 surrounding of blower is provided with by 4 set squares, and triangle plate surface is provided with fixing groove, is conducive to
Blower 12 connect regulation with air duct 8.
Wherein, the 66 model Y-160M motor of motor, stabilization of speed.
Wherein, the 10 model 50GW25-10-1.5 water pump of water pump, pump speeds are fast.
Wherein, the 12 model FT-020B blower of blower, wind-force is big, efficiently.
Wherein, the 74 model ANT-26 electric pushrod of electric pushrod, lifting are stablized.
Lifting platform 6 described in this patent is a kind of vertical hoisting machinery for transporting people or object, is also referred in factory, automated warehouse
Etc. vertical transport is carried out in logistics systems equipment, various plane conveying equipments are often also equipped on lifting platform, as different height
The attachment device for spending pipeline generally uses hydraulic-driven, therefore claims hydraulic elevator platform, except the cargo conveying as different height
Outside, it is widely used in the operations such as the installation, maintenance in high-altitude, the characteristics of lifting platform is freely lifted has been widely used in municipal administration at present
Maintenance, harbour, logistics center's cargo transport, building decoration etc. are mounted with that automobile chassis, storage battery chassis etc. can freely walk,
Working depth space also changes, have it is light-weight, walk, electrically activate certainly, from supporting leg, easy to operate, work surface is big, can be across
Obstacle-overpass carries out 360 degree of high altitude operation etc. and rotates freely advantage.
Working principle: environmental protection construction cleaner is moved to appropriate location by bottom pulley 5 first, by power supply line
13, which connect equipment running with the external world, provides sufficient kinetic energy, injects water appropriate in water tank 1 by water inlet 2 through observation window 4
Pay attention to water position, blower 12 is then controlled by control button in pressing control panel 3 and is rotated, by pressing control panel 3
Interior control water pump 10, which extracts the wind-force that water source is generated into air duct 8 through the rotation of blower 12 in water tank 1 through drinking-water pipe 11, causes water
Through water jet 9 ejection the external world is dusted, when external dust is drifted it is excessively high when need to adjust 8 height of air duct when, by being provided with
Lifting platform 6 controls motor 66 by control button in pressing control panel 3 and rotates clockwise, and slide bar 67 is connect with sliding slot 66 to be made
The distance between first scissor 62 and the second scissor 63 become smaller, so that the first motion bar 64 and the second motion bar 65 be made to stretch, make
Top plate 67 increases, and air duct 8 is driven to increase, and controls motor 66 by control button in pressing control panel 3 and rotates clockwise the inverse time
Needle rotation, slide bar 67 connect with sliding slot 66, and adjusting the distance between the first scissor 62 and the second scissor 63 is made to become larger, to make the
One motion bar 64 and the compression of the second motion bar 65, decline top plate 67, drive air duct 8 to decline, reach and adjust to air duct height
Section, convenient for being dusted to eminence, the beneficial effect tentatively degraded to dust, when need to 8 spray angle of air duct carry out
When adjusting, by the way that fixed device 7 is arranged, electric pushrod fixed through two sides rotating device 76 is connect with air duct 8 by portal frame 72
74 is fixed through link block 75 and air duct 8, controls 74 inside motor of electric pushrod through control panel 3 and carries out rotating forward drive screw rod
Rise convenient for adjusting the upward spray angle of air duct 8, it is anti-to control the progress of 74 inside motor of electric pushrod through control panel 3
It drives screw rod to carry out decline convenient for adjusting the downward spray angle of air duct 8 to rotating, reaches comprehensive to external dust progress
Efficient degradation, preventing construction personnel from sucking a large amount of dust influences the beneficial effect of health.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of environmental protection construction cleaner, including water tank (1), water inlet (2), control panel (3), observation window (4), cunning
Take turns (5), air duct (8), water jet (9), water pump (10), drinking-water pipe (11), blower (12) and power supply line (13), it is characterised in that:
It further include lifting platform (6) and fixed device (7), water tank (1) the middle top right side and water inlet (2) progress grafting, and
Be provided with sealing cover at the top of water inlet (2), water tank (1) the front end right side central carried out with control panel (3) it is be bonded, it is described
Water tank (1) front end left side central portion is welded with observation window (4), and observation window (4) is transparent, and the water tank (1) is logical
It crosses surrounding frame to be bolted with bottom end pulley (5), and there are four pulley (5) is respectively provided with, water tank (1) top is left
Side is welded with lifting platform (6), and lifting platform (6) is square-shaped, is carried out at the top of the lifting platform (6) with fixed device (7)
It is bolted, fixed device (7) inside top is bolted with air duct (8), and air duct (8) is in coniform, described
It is provided with water jet (9) on the right side of air duct (8), and is provided with water ring, water tank (1) inside top on the inside of water jet (9)
It is bolted by fixed plate and water pump (10), the water pump (10) is carried out by top drinking-water pipe (11) and air duct (8)
Grafting, air duct (8) inside left-end are welded with blower (12), water tank (1) the front center left side and power supply line
(13) grafting is carried out, the lifting platform (6) is by pedestal (61), the first scissor (62), the second scissor (63), the first motion bar
(64), the second motion bar (65), motor (66), top plate (67), sliding slot (68) and slide bar (69) composition, pedestal (61) front end
Two sides are rotatablely connected with the first scissor (62) by strut, and pedestal (61) rear end sides pass through with the second scissor (63)
Strut is rotatablely connected, and is bolted in the middle part of the first scissor (62) right end with the first motion bar (64) front end, and described the
It is bolted in the middle part of one scissor (62) left end with the second motion bar (65) front end, two sides and top plate at the top of first scissor (62)
(67) it is rotatablely connected by strut, is carried out with the first motion bar (64) by strut in the middle part of the second scissor (63) right end
Rotation connection is rotatablely connected in the middle part of the second scissor (63) left end by strut with the second motion bar (65), and described the
Two sides are rotatablely connected with top plate (67) by strut at the top of two scissors (63), the first motion bar (64) middle-end and motor
(66) right end is mutually inserted, and the second motion bar (65) middle-end is mutually inserted with motor (66) left end, and the slide bar (69) is logical
It crosses right-side slide bar (69) to be slidably connected with pedestal (61), pedestal (61) bottom end surrounding is welded with water tank (1), described
Fixed device (7) are filled by terminal pad (71), portal frame (72), support rod (73), electric pushrod (74), link block (75) and rotation
(76) composition is set, is welded at the top of the terminal pad (71) with portal frame (72), left and right ends on the inside of the portal frame (72)
It is welded with support rod (73), and support rod (73) is put in 45 degree, portal frame (72) middle part and electric pushrod
(74) it is welded, electric pushrod (74) top is welded with link block (75), described portal frame (72) top or so
Two sides are provided with rotating device (76), and the electric pushrod (74) is welded by top with link block (75) and air duct (8),
The water pump (10), blower (12), motor (66) and electric pushrod (74) are electrically connected with control panel (3), the control
Panel (3) processed is electrically connected with power supply line (13).
2. a kind of environmental protection construction cleaner according to claim 1, it is characterised in that: control panel (3) table
Face is provided with 9 control buttons, and control button respectively with water pump (10), blower (12), motor (66) and electric pushrod
(74) it is electrically connected.
3. a kind of environmental protection construction cleaner according to claim 1, it is characterised in that: the observation window (4) is in length
Square shape, and observation window (4) surface middle part is provided with graduated scale.
4. a kind of environmental protection construction cleaner according to claim 1, it is characterised in that: the pedestal (61) and top plate
(67) in rectangular shape, and pedestal (61) bottom and top plate (67) bottom are provided with one layer of protective pad.
5. a kind of environmental protection construction cleaner according to claim 1, it is characterised in that: the portal frame (72) is in
C font, and left and right ends are provided with rotating device (76) at the top of portal frame (72), and rotating device (76) is in rounded shape.
6. a kind of environmental protection construction cleaner according to claim 1, it is characterised in that: the electric pushrod (74) is in
45 degree of inclinations are put, and are provided with lock in the middle part of electric pushrod (74) top and link block (75).
7. a kind of environmental protection construction cleaner according to claim 1, it is characterised in that: blower (12) surrounding is set
It is equipped with by 4 set squares, and triangle plate surface is provided with fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083903.7U CN209696544U (en) | 2018-12-12 | 2018-12-12 | A kind of environmental protection construction cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083903.7U CN209696544U (en) | 2018-12-12 | 2018-12-12 | A kind of environmental protection construction cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209696544U true CN209696544U (en) | 2019-11-29 |
Family
ID=68636288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822083903.7U Expired - Fee Related CN209696544U (en) | 2018-12-12 | 2018-12-12 | A kind of environmental protection construction cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209696544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022191788A1 (en) | 2021-03-09 | 2022-09-15 | Enveks Pazarlama Toz İndi̇rgeme Si̇stemleri̇ Li̇mi̇ted Şi̇rketi̇ | Smart dust suppression system that sprays atomized water through a fan |
| CN115671930A (en) * | 2022-10-17 | 2023-02-03 | 四川轻化工大学 | Water-saving dust collector for highway construction |
-
2018
- 2018-12-12 CN CN201822083903.7U patent/CN209696544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022191788A1 (en) | 2021-03-09 | 2022-09-15 | Enveks Pazarlama Toz İndi̇rgeme Si̇stemleri̇ Li̇mi̇ted Şi̇rketi̇ | Smart dust suppression system that sprays atomized water through a fan |
| EP4301490A4 (en) * | 2021-03-09 | 2024-04-03 | Enveks Toz Kontrol Teknolojileri Sanayi Ve Ticaret Anonim Sirketi | Smart dust suppression system that sprays atomized water through a fan |
| CN115671930A (en) * | 2022-10-17 | 2023-02-03 | 四川轻化工大学 | Water-saving dust collector for highway construction |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20201212 |