CN109569908A - Urban road dust suppression spray head - Google Patents
Urban road dust suppression spray head Download PDFInfo
- Publication number
- CN109569908A CN109569908A CN201910117947.3A CN201910117947A CN109569908A CN 109569908 A CN109569908 A CN 109569908A CN 201910117947 A CN201910117947 A CN 201910117947A CN 109569908 A CN109569908 A CN 109569908A
- Authority
- CN
- China
- Prior art keywords
- water spraying
- hole
- pipe
- ring
- spray head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 54
- 239000000428 dust Substances 0.000 title claims abstract description 38
- 230000001629 suppression Effects 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000005507 spraying Methods 0.000 claims abstract description 99
- 238000010586 diagram Methods 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 239000010949 copper Substances 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 238000010348 incorporation Methods 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 229940070527 tourmaline Drugs 0.000 description 2
- 229910052613 tourmaline Inorganic materials 0.000 description 2
- 239000011032 tourmaline Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- -1 Copper Pot Chemical compound 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010019345 Heat stroke Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
Landscapes
- Nozzles (AREA)
Abstract
The present invention discloses a kind of urban road dust suppression spray head comprising ring pipe and S-shaped pipe, the ring pipe are rounded or oval；S-shaped pipe is arranged in the inner ring of ring pipe, and the both ends of S-shaped pipe are connected to the inner ring of ring pipe respectively, forms with ring pipe like Eight-Diagram shape；Spray head water inlet is provided in the middle part of S-shaped pipe；Hole for water spraying is provided on the tube wall of the outer ring of ring pipe.This urban road dust suppression spray head has self-cleaning function, avoids blocking.
Description
Technical field
The present invention relates to the technical field of sprinkling apparatus, specifically a kind of urban road dust suppression spray heads.
Technical background
With the continuous improvement of China's economic level, the step of Process of Urbanization Construction is accelerated year by year, and the road in city is increasingly
It is more, however urban road, the especially urban road in the area of drought are caused on ground due to passing through for vehicle
Dust drives in wind-force and other drives are flown upward and enter atmosphere, causes open contact scar, is always suspension in surrounding air
The important component of grain object, has seriously affected the health and trip of resident and road user.It is also to generate haze sky
The main cause of gas.The improvement of haze weather has become the most important thing of Environmental Protection in China field improvement, the following dust suppression dedusting
Equipment is come into being.The spraying droplet absorption that haze particle is generated through dust suppression vehicle in air, forms the bigger droplet of diameter,
Under the action of gravity, ground is dropped to, so that the aerial haze particle that suspends is reduced, to realize the mist in purification air
Haze effect.Dust suppression vehicle is to be applied to spray deinsectization field spraying machine from script to undergo technological transformation and generate, and increases its power
And range can meet the needs of city is except haze.
The country occurs at the beginning of haze weather occurs mainly in last month of spring in winter at present and time of the year when autumn changes into winter, having for haze weather are obvious
Timeliness, therefore the dust suppression vehicle of only simple function is obviously impracticable.Current existing multi-functional dust suppression vehicle is substantially a machine
It is multi-purpose, it, can be with when not needing except haze comprising different function such as low pressure watering, atomizing de-dusting and reducing temperature of heatstroke prevention on dust suppression vehicle
The function of serving as city sprinkling truck, when summer, city temperature was too high, dust suppression vehicle can reduce city by spray sprinkler in city again
Area's temperature greatly improves the utilization rate of equipment.
However there are many shortcomings on traditional sprinkling truck, such as the sprinkling truck speed of service is slow, with urban road wagon flow
Speed difference is big, and the principle for running and controlling with urban traffic flow mutually conflicts, and seriously blocks the traffic, there are security risks, and drop
Low road passage capability.For another example the high pressure of sprinkling truck hydraulic giant and spray speed are also made troubles and security risk for pedestrian.And it uses
The mode flexibility on sprinkling truck is poor, and scheduling and work are time-consuming more, not only waste water resource, but also other energy such as waste fuel oil
Source all causes different degrees of waste to human resources and material resources, and effect is poor, cannot be as needed, at any time
It is controlled everywhere, can not increasingly adapt to the fast pace of people's modern life, therefore, need a kind of new urban road
Dust Improvement means, can energy saving manpower and material resources, and be able to carry out the intelligence system of leaning on, improve the regulation effect of fugitive dust, in consideration of it,
People install spray head on road lamp frame, utilize spray head automatic spray dust suppression.However dust is more in the environment of urban road,
Spray head pause influences to spray work in use, spray head is easily caused to block.
Summary of the invention
The object of the present invention is to provide one kind to have self-cleaning function, avoids the urban road dust suppression spray head of blocking.
The technical solution adopted by the present invention are as follows:
A kind of urban road dust suppression spray head comprising ring pipe and S-shaped pipe, the ring pipe are rounded or oval；S-shaped pipe
It is arranged in the inner ring of ring pipe, the both ends of S-shaped pipe are connected to the inner ring of ring pipe respectively, are formed with ring pipe like Eight-Diagram
Shape；Spray head water inlet is provided in the middle part of S-shaped pipe；Hole for water spraying is provided on the tube wall of the outer ring of ring pipe.Spray water is from S-shaped pipe
The water inlet at middle part enters, and enters in ring pipe to S-shaped pipe both ends, and shower water can mutually hit disturbance in pipe, is avoided that
Or sundries accumulation is reduced, avoid spray head from blocking.
Preferred: the hole for water spraying is divided into thick hole for water spraying, middle hole for water spraying and thin hole for water spraying, and hole for water spraying is arranged in ring pipe
Outer ring tube wall on, and be arranged in the vertical centerline of ring pipe cross section in the region at 45-180 degree angle, it is thick to spray water
Hole is located in the region at 45-90 degree angle, and middle hole for water spraying is located in the region at 90-135 degree angle, and thin hole for water spraying is located at 135-180 degree
In the region at angle；The aperture of thick hole for water spraying is greater than the aperture of middle hole for water spraying, and the aperture of middle hole for water spraying is greater than thin hole for water spraying.Hole for water spraying
Inside offer the helicla flute of one or more.The street lamp distance of urban road is 25-30 meters, therefore the aperture of thick hole for water spraying is generally
8-10 millimeters, the aperture of middle hole for water spraying is generally 5-6 millimeters, and the aperture of thin hole for water spraying is generally 2-3 millimeters.
It is preferred: the ball that more diameters are greater than thick hole for water spraying is placed in the ring pipe.
The material of the ball is metal, stone material, plastics or rubber, or is made of their composite material.Described
The material of ball is metal, stone material, plastics or rubber, or is made of their composite material.It can also be polished by tourmaline.
Dust suppression spray head breeds bacterium in order to prevent, and the dust suppression head body and ball can also use copper metal or table
Face copper facing or nonmetallic incorporation copper powder are made.Copper ball can be directly used in ball, can also be done using nonmetallic incorporation copper powder
At, or using coating of the surface coating with copper powder.Coating can be made into using high molecular material incorporation copper powder.
Specific embodiment is copper facing after carrying out the dust suppression spray head of metal body, if it is dust suppression spray head be plastics or
Composite material is made into, and copper powder can be mixed in recombination process.Dust suppression head body is ring pipe and S-shaped pipe.
Ancient Times in China has saying as " water of Copper Pot will not be smelly ", so ancient times and modern some daily necessities are all liked
It is made of metallic copper, such as Copper Pot, copper dish, copper bowl, copper chopsticks, copper clip, the copper core of tap, copper handle etc..Modern section
It learns after study, the effect of the copper of discovery is that micro copper plays antibacterial and sterilizing function, after mainly copper touches bacterium,
So that bacterial outer membrane outer membrane rupture;Copper surface action later destroys the organized enzyme of bacterium, then carefully in the broken hole on bacterial outer membrane
Bacterium will be unable to breathing, feed, digestion and generating energy makes cell lose necessary nutriment (albumen) and moisture, finally withers
Contracting, so " water of Copper Pot will not be smelly ", so dust suppression head body and ball can also use copper metal or copper coating or non-
Metal incorporation copper powder enables to the component on the road of city to be not easy to be contaminated by bacterial the water mist of ejection and cause to pedestrian
Harm, and be not easy to get rusty.
Compared with prior art, present invention substantive distinguishing features outstanding and significant progress are:
1, urban road dust suppression spray head of the invention includes ring pipe and S-shaped pipe, and the ring pipe is rounded or oval；S
Shape pipe is arranged in the inner ring of ring pipe, and the both ends of S-shaped pipe are connected to the inner ring of ring pipe respectively, forms with ring pipe like Eight Diagrams
Figure shape；Spray head water inlet is provided in the middle part of S-shaped pipe；Hole for water spraying is provided on the tube wall of the outer ring of ring pipe.Spray water is from S-shaped
Water inlet in the middle part of pipe enters, and enters in ring pipe to S-shaped pipe both ends, and shower water can mutually hit disturbance in pipe, can keep away
Exempt from or reduce sundries accumulation, spray head is avoided to block.
2, the hole for water spraying of spray head is divided into thick hole for water spraying, middle hole for water spraying and thin hole for water spraying, and the outer of ring pipe is arranged in hole for water spraying
On the tube wall of circle, and being arranged in is in hole location of slightly spraying water in the region at 45-180 degree angle with the vertical centerline of ring pipe cross section
In in the region at 45-90 degree angle, middle hole for water spraying is located in the region at 90-135 degree angle, and thin hole for water spraying is located at 135-180 degree angle
In region；The aperture of thick hole for water spraying is greater than the aperture of middle hole for water spraying, and the aperture of middle hole for water spraying is greater than thin hole for water spraying.It is opened in hole for water spraying
Equipped with the helicla flute of one or more.The street lamp distance of urban road is 25-30 meters, therefore the aperture of thick hole for water spraying is generally 8-10
Millimeter, the aperture of middle hole for water spraying are generally 5-6 millimeters, and the aperture of thin hole for water spraying is generally 2-3 millimeters.Spray head is sprayed using this structure
Spill the space between water energy two road lamp frames of covering that range is wide, and the spray head on two road lamp frames sprays out.
3, the ball that more diameters are greater than thick hole for water spraying is placed in the ring pipe of spray head of the present invention, since the thrust of water is rolled
Pearl is flowed in ring pipe, after being avoided that or reducing annular in-tube fouling, blocks hole for water spraying, influences the work of spray head, and ball
Diameter be greater than thick hole for water spraying, avoid ball from water jet be discharged.
4, ball copper coating also has certain effect to antibacterial and sterilizing, reduces the bacterium bred in pipe by spray to sky
In gas, and ball can be polished with tourmaline, and the electronics generated by the friction of water flow can generate a certain amount of anion
Water.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of urban road dust suppression spray head；
Fig. 2 is schematic diagram in A-A direction in Fig. 1；
Fig. 3 is the partial enlarged view of Fig. 2；
The title of serial number in figure are as follows:
12, ring pipe, 13, spray head water inlet, 14, S-shaped pipe, 15, hole for water spraying, 16, thick hole for water spraying, 17, middle hole for water spraying, 18, thin
Hole for water spraying.
Specific embodiment
For the more detailed introduction present invention, below with reference to embodiment, this spray head is described further.
Embodiment 1
A kind of urban road dust suppression spray head comprising ring pipe 12 and S-shaped pipe 14, the ring pipe 12 are rounded or oval
Shape；S-shaped pipe 14 is arranged in the inner ring of ring pipe 12, and the both ends of S-shaped pipe 14 are connected to the inner ring of ring pipe 12 respectively, with annular
Pipe 12 is formed like Eight-Diagram shape；The middle part of S-shaped pipe 14 is provided with spray head water inlet 13；It is arranged on the tube wall of the outer ring of ring pipe 12
There is hole for water spraying 15.
Embodiment 2
A kind of urban road dust suppression spray head comprising ring pipe 12 and S-shaped pipe 14, the ring pipe 12 are rounded or oval
Shape；S-shaped pipe 14 is arranged in the inner ring of ring pipe 12, and the both ends of S-shaped pipe 14 are connected to the inner ring of ring pipe 12 respectively, with annular
Pipe 12 is formed like Eight-Diagram shape；The middle part of S-shaped pipe 14 is provided with spray head water inlet 13；It is arranged on the tube wall of the outer ring of ring pipe 12
There is hole for water spraying 15.
The hole for water spraying 15, which divides, to be arranged for thick hole for water spraying 16, middle hole for water spraying 17 and thin hole for water spraying 18, hole for water spraying 15 in ring
On the tube wall of the outer ring of shape pipe 12, and the region with the vertical centerline of 12 cross section of ring pipe in 45-180 degree angle is set
Interior, thick hole for water spraying 16 is located in the region at 45-90 degree angle, and middle hole for water spraying 17 is located in the region at 90-135 degree angle, thin hole for water spraying
18 are located in the region at 135-180 degree angle；The aperture of thick hole for water spraying 16 is greater than the aperture of middle hole for water spraying 17, the hole of middle hole for water spraying 17
Diameter is greater than thin hole for water spraying 18.
Embodiment 3
A kind of urban road dust suppression spray head comprising ring pipe 12 and S-shaped pipe 14, the ring pipe 12 are rounded or oval
Shape；S-shaped pipe 14 is arranged in the inner ring of ring pipe 12, and the both ends of S-shaped pipe 14 are connected to the inner ring of ring pipe 12 respectively, with annular
Pipe 12 is formed like Eight-Diagram shape；The middle part of S-shaped pipe 14 is provided with spray head water inlet 13；It is arranged on the tube wall of the outer ring of ring pipe 12
There is hole for water spraying 15.
The hole for water spraying 15, which divides, to be arranged for thick hole for water spraying 16, middle hole for water spraying 17 and thin hole for water spraying 18, hole for water spraying 15 in ring
On the tube wall of the outer ring of shape pipe 12, and the region with the vertical centerline of 12 cross section of ring pipe in 45-180 degree angle is set
Interior, thick hole for water spraying 16 is located in the region at 45-90 degree angle, and middle hole for water spraying 17 is located in the region at 90-135 degree angle, thin hole for water spraying
18 are located in the region at 135-180 degree angle；The aperture of thick hole for water spraying 16 is greater than the aperture of middle hole for water spraying 17, the hole of middle hole for water spraying 17
Diameter is greater than thin hole for water spraying 18.
The ball that more diameters are greater than thick hole for water spraying 16 is placed in the ring pipe 12.The material of the ball is
Metal, stone material, plastics or rubber, or be made of their composite material.The ball copper coating.
Embodiment 4
A kind of urban road dust suppression spray head comprising ring pipe 12 and S-shaped pipe 14, the ring pipe 12 are rounded or oval
Shape；S-shaped pipe 14 is arranged in the inner ring of ring pipe 12, and the both ends of S-shaped pipe 14 are connected to the inner ring of ring pipe 12 respectively, with annular
Pipe 12 is formed like Eight-Diagram shape；The middle part of S-shaped pipe 14 is provided with spray head water inlet 13；It is arranged on the tube wall of the outer ring of ring pipe 12
There is hole for water spraying 15.
The hole for water spraying 15, which divides, to be arranged for thick hole for water spraying 16, middle hole for water spraying 17 and thin hole for water spraying 18, hole for water spraying 15 in ring
On the tube wall of the outer ring of shape pipe 12, and the region with the vertical centerline of 12 cross section of ring pipe in 45-180 degree angle is set
Interior, thick hole for water spraying 16 is located in the region at 45-90 degree angle, and middle hole for water spraying 17 is located in the region at 90-135 degree angle, thin hole for water spraying
18 are located in the region at 135-180 degree angle；The aperture of thick hole for water spraying 16 is greater than the aperture of middle hole for water spraying 17, the hole of middle hole for water spraying 17
Diameter is greater than thin hole for water spraying 18.
The ball that more diameters are greater than thick hole for water spraying 16 is placed in the ring pipe 12.The material of the ball is
Metal, stone material, plastics or rubber, or be made of their composite material.The ball routinely makes plastic bead technique
It is made, when non-condensing, surface is stained with copper powder, makes ball surface with copper powder.Or copper powder is added in mixing process and mixes together
Refining, is then being made ball.
The above description is not a limitation of the present invention, and the present invention is also not limited to examples detailed above, the art it is general
Logical technical staff, within the essential scope of the present invention, the variations, modifications, additions or substitutions made all should belong to guarantor of the invention
Protect range.
Claims (6)
1. a kind of urban road dust suppression spray head, it is characterised in that: including ring pipe (12) and S-shaped pipe (14), the ring pipe
(12) rounded or oval；S-shaped pipe (14) be arranged in the inner ring of ring pipe (12), the both ends of S-shaped pipe (14) respectively with ring
The inner ring of shape pipe (12) is connected to, and is formed with ring pipe (12) like Eight-Diagram shape；S-shaped pipe is provided with spray head water inlet in the middle part of (14)
(13)；Hole for water spraying (15) are provided on the tube wall of the outer ring of ring pipe (12).
2. urban road dust suppression spray head according to claim 1, it is characterised in that: the hole for water spraying (15) is divided into thick spray
Water hole (16), middle hole for water spraying (17) and thin hole for water spraying (18), hole for water spraying (15) are arranged on the tube wall of the outer ring of ring pipe (12),
And setting, in the region for being in 45-180 degree angle with the vertical centerline of ring pipe (12) cross section, thick hole for water spraying (16) is located at
In the region at 45-90 degree angle, middle hole for water spraying (17) is located in the region at 90-135 degree angle, and thin hole for water spraying (18) is located at 135-180
It spends in the region at angle；The aperture of thick hole for water spraying (16) is greater than the aperture of middle hole for water spraying (17), and the aperture of middle hole for water spraying (17) is greater than
Thin hole for water spraying (18).
3. urban road dust suppression spray head according to claim 2, it is characterised in that: be placed in the ring pipe (12)
More diameters are greater than the ball of thick hole for water spraying (16).
4. urban road dust suppression spray head according to claim 3, it is characterised in that: the material of the ball be metal,
Stone material, plastics or rubber, or be made of their composite material.
5. urban road dust suppression spray head according to claim 1, it is characterised in that: the dust suppression head body uses copper
Metal or copper coating or nonmetallic incorporation copper powder are made.
6. urban road dust suppression spray head according to claim 3, it is characterised in that: the ball copper coating or incorporation
Copper powder is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117947.3A CN109569908A (en) | 2019-02-15 | 2019-02-15 | Urban road dust suppression spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117947.3A CN109569908A (en) | 2019-02-15 | 2019-02-15 | Urban road dust suppression spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109569908A true CN109569908A (en) | 2019-04-05 |
Family
ID=65918801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910117947.3A Pending CN109569908A (en) | 2019-02-15 | 2019-02-15 | Urban road dust suppression spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109569908A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050011652A1 (en) * | 2003-07-17 | 2005-01-20 | Jinsong Hua | Spray head and nozzle arrangement for fire suppression |
| CN206092861U (en) * | 2016-08-31 | 2017-04-12 | 新昌县诚昌机械有限公司 | Torque converter shell |
| CN206139364U (en) * | 2016-08-30 | 2017-05-03 | 张家港市华义化工有限公司 | Shower head for chemical industry |
| CN106954523A (en) * | 2017-03-28 | 2017-07-18 | 济南元发信息科技有限公司 | Rainer |
| CN209663531U (en) * | 2019-02-15 | 2019-11-22 | 邓小健 | Urban road dust suppression spray head |
-
2019
- 2019-02-15 CN CN201910117947.3A patent/CN109569908A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050011652A1 (en) * | 2003-07-17 | 2005-01-20 | Jinsong Hua | Spray head and nozzle arrangement for fire suppression |
| CN206139364U (en) * | 2016-08-30 | 2017-05-03 | 张家港市华义化工有限公司 | Shower head for chemical industry |
| CN206092861U (en) * | 2016-08-31 | 2017-04-12 | 新昌县诚昌机械有限公司 | Torque converter shell |
| CN106954523A (en) * | 2017-03-28 | 2017-07-18 | 济南元发信息科技有限公司 | Rainer |
| CN209663531U (en) * | 2019-02-15 | 2019-11-22 | 邓小健 | Urban road dust suppression spray head |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200907 Address after: Room 602, No. 11 Yat-sen North Road, Gangbei District, Guigang City, Guangxi Zhuang Autonomous Region Applicant after: Deng Xiaojian Applicant after: Wu Fubing Address before: Room 602, No. 11 Yat-sen North Road, Gangbei District, Guigang City, Guangxi Zhuang Autonomous Region Applicant before: Deng Xiaojian |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |