CN108326758B - Rotary spray head based on high-pressure sand mixing water jet technology - Google Patents
Rotary spray head based on high-pressure sand mixing water jet technology Download PDFInfo
- Publication number
- CN108326758B CN108326758B CN201810087453.0A CN201810087453A CN108326758B CN 108326758 B CN108326758 B CN 108326758B CN 201810087453 A CN201810087453 A CN 201810087453A CN 108326758 B CN108326758 B CN 108326758B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- central shaft
- sand
- mixing
- magnetic
- 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.)
- Active
Links
- 239000004576 sand Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000005516 engineering process Methods 0.000 title claims abstract description 21
- 239000007921 spray Substances 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
Abstract
The invention provides a rotary spray head based on a high-pressure sand mixing water jet technology, belonging to the technical field of high-pressure cleaning. It comprises a central shaft and a central shaft sleeve sleeved outside the central shaft, a sand inlet sleeve which is connected with the central shaft sleeve in a sealing way is sleeved outside the central shaft sleeve, the sand inlet sleeve is communicated with the central shaft sleeve, and is characterized in that, the bottom of the central shaft is rotationally connected with a rotating head which is communicated with the central shaft sleeve, at least two mixing pipes are arranged at the end part of the rotating head and are communicated with the central shaft, and an included angle between the axial lead of each mixing pipe and the axial lead of the central shaft is an acute angle. The rotating head can rotate automatically, the working surface is large, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of high-pressure cleaning, and relates to a rotary spray head based on a high-pressure sand mixing water jet technology.
Background
The high-pressure water sand mixing spray head is a key component of high-pressure water sand blasting rust removal paint removal equipment, the existing water-mixing sand spray head adopts a single mixing mode, has small spraying striking surface during operation, and has low efficiency on large-area rust and paint removal.
Disclosure of Invention
The object of the present invention is to address the above-mentioned problems, A rotary sprayer based on high-pressure sand mixing water jet technology is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a rotatory nozzle based on high pressure mixed sand water jet technique, includes the center pin to and the center axle sleeve of cover outside the center pin is established, cup jointed one outside the center pin sleeve with center axle sleeve sealing connection's sand feeding cover, sand feeding cover intercommunication center axle sleeve, its characterized in that, center pin bottom rotate and be connected with a rotating head, and this rotating head and center axle sleeve intercommunication are equipped with two at least hybrid tubes at the rotating head tip, hybrid tube intercommunication center pin, the contained angle between the axial lead of hybrid tube and the axial lead of center pin is the acute angle.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the inner diameter of the mixing pipe is reduced from one end close to the rotary head to the other end so as to form the jet orifice, and the included angle between the axial lead of the mixing pipe and the axial lead of the central shaft is 5-15 degrees.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the included angle between the axial lead of the mixing pipe and the axial lead of the central shaft is 10 degrees.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the rotary head is internally and hermetically connected with the sand suction sleeve, the sand suction sleeve is internally provided with a channel communicated with the rotary head and the mixing pipe, the side wall of the sand suction sleeve is provided with an annular water distribution groove, the bottom of the sand suction sleeve is provided with a plurality of water spray holes with two ends respectively communicated with the mixing pipe and the water distribution groove, and the water spray holes are uniformly arranged along the circumferential interval of the axial lead of the sand suction sleeve.
In the rotary spray head based on the high-pressure sand mixing water jet technology, a mandrel is inserted into the central shaft, and the mandrel is communicated with the water distribution groove.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the bottom of the mandrel is in sealing connection with the rotary head, a plurality of openings are further formed in the bottom of the mandrel, a water inlet channel which is communicated with the water distribution groove and the openings is formed in the rotary head, and a plug which is in sealing fit with the rotary head is arranged at the bottom of the mandrel.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the magnetic speed reducing assembly is sleeved outside the central shaft sleeve and is positioned between the rotary head and the sand inlet sleeve.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the magnetic speed reducing assembly comprises a magnetic sleeve sleeved outside the central shaft sleeve, the bottom of the magnetic sleeve is positioned between the rotary head and the central shaft sleeve, the top of the magnetic sleeve is provided with a bearing assembly, and the bearing assembly is sleeved with a bearing sleeve.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the magnetic speed reducing assembly further comprises a magnetic ring sleeved on the magnetic sleeve, and the magnetic ring is positioned in the bearing sleeve.
In the rotary spray head based on the high-pressure sand mixing water jet technology, the bearing assembly comprises a deep groove ball bearing and a thrust ball bearing which are sleeved outside the central shaft sleeve, a bearing gasket is arranged between the deep groove ball bearing and the thrust ball bearing, and the thrust ball bearing is connected with the magnetic sleeve.
Compared with the prior art, the invention has the advantages that:
1. the rotating head can rotate automatically, the working surface is large, and the working efficiency is improved.
2. Through the setting of sand absorbing sleeve, the mixing efficiency of high-pressure fluid and sand body improves.
3. Is especially suitable for large-area rust and paint removal operation.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic diagram of the working principle of the present invention.
In the figure, a central shaft 1, a central shaft sleeve 2, a sand feeding sleeve 3, a rotary head 4, a mixing pipe 5, an injection port 6, a sand sucking sleeve 7, a water distribution groove 8, a water spraying hole 9, a central shaft 10, an opening 11, a water inlet channel 12, a plug 13, a magnetic speed reducing assembly 14, a magnetic sleeve 15, a bearing assembly 16, a bearing sleeve 17, a magnetic ring 18, a deep groove ball bearing 19, a thrust ball bearing 20 and a bearing gasket 21.
Detailed Description
As shown in fig. 2, a rotary sprayer based on high-pressure sand mixing water jet technology comprises a central shaft 1 and a central shaft sleeve 2 sleeved outside the central shaft 1, wherein a sand inlet sleeve 3 in sealing connection with the central shaft sleeve 2 is sleeved outside the central shaft sleeve 2, the sand inlet sleeve 3 is communicated with the central shaft sleeve 2, the bottom of the central shaft 1 is rotationally connected with a rotary head 4, the rotary head 4 is communicated with the central shaft sleeve 2, at least two mixing pipes 5 are arranged at the end part of the rotary head 4, the mixing pipes 5 are communicated with the central shaft 1, and an included angle alpha between the axial lead of the mixing pipes 5 and the axial lead of the central shaft 1 is an acute angle, preferably, the included angle alpha between the axial lead of the mixing pipes 5 and the axial lead of the central shaft 1 is 5-15 degrees. More preferably, the included angle α between the axis of the mixing tube 5 and the axis of the central shaft 1 is 10 °.
Because of the angle between the axis of the mixing tube 5 and the axis of the central shaft 1, the rotary head 4 is self-rotated by the reaction force of the fluid when the fluid is injected from the mixing tube 5. In the rotating process of the rotating head 4, the jet striking surface is effectively enlarged, so that the operation is changed from point to surface, and the operation efficiency is greatly improved.
Wherein, the high pressure of the central shaft 1 is liquid, which flows into the mixing tube 5, the sand inlet sleeve 3 is filled with the materials to be mixed, and the materials flow into the mixing tube 5 from the gap between the central shaft 1 and the central shaft sleeve 2, and are mixed in the mixing tube 5.
The inner diameter of the mixing tube 5 is reduced from one end near the rotary head 4 to the other end to form the injection port 6, and the flow rate of the mixed fluid is increased.
The inside of the rotary head 4 is connected with a sand sucking sleeve 7 in a sealing manner, the sand sucking sleeve 7 is internally provided with a channel which is communicated with the rotary head 4 and the mixing pipe 5, the side wall of the sand sucking sleeve 7 is provided with an annular water distribution groove 8, the bottom of the sand sucking sleeve 7 is provided with a plurality of water spraying holes 9, the two ends of which are respectively communicated with the mixing pipe 5 and the water distribution groove 8, and the water spraying holes 9 are uniformly arranged along the circumferential interval of the axial lead of the sand sucking sleeve 7.
Preferably, the water spraying holes 9 gradually get close to the axial lead direction of the sand sucking sleeve 7 from top to bottom.
The central shaft 1 is internally provided with a central shaft 10, the central shaft 10 is communicated with the water distribution groove 8, and in the embodiment, the central shaft 10 is in clearance fit with the central shaft 1, a sealing element is not needed, and the connection is convenient.
The bottom of the mandrel 10 is in sealing connection with the rotary head 4, a plurality of openings 11 are further arranged at the bottom of the mandrel 10, a water inlet channel 12 which is communicated with the water distribution groove 8 and the openings 11 is arranged on the rotary head 4, and a plug 13 which is in sealing fit with the rotary head 4 is arranged at the bottom of the mandrel 10.
The center shaft sleeve 2 is sleeved with a magnetic speed reducing assembly 14, and the magnetic speed reducing assembly 14 is positioned between the rotating head 4 and the sand feeding sleeve 3. The magnetic reduction assembly 14 adjusts the rotational speed of the rotator head using magnetic force.
In this embodiment, the magnetic speed reducing assembly 14 includes a magnetic sleeve 15 sleeved outside the central shaft sleeve 2, the bottom of the magnetic sleeve 15 is located between the rotary head 4 and the central shaft sleeve 2, a bearing assembly 16 is arranged at the top of the magnetic sleeve 15, and a bearing sleeve 17 is sleeved outside the bearing assembly 16.
Further, the magnetic speed reducing assembly 14 further comprises a magnetic ring 18 sleeved on the magnetic sleeve 15, and the magnetic ring 18 is positioned in the bearing sleeve 17. The relative superposition position of the magnetic sleeve 15 and the magnetic ring 18 can be adjusted, and the rotating speed of the rotating head can be adjusted under the action of magnetic force.
In this embodiment, the bearing assembly 16 includes a deep groove ball bearing 19 and a thrust ball bearing 20 sleeved outside the central shaft sleeve 2, and a bearing spacer 21 is disposed between the deep groove ball bearing 19 and the thrust ball bearing 20, and the thrust ball bearing 20 is connected with the magnetic sleeve 15.
The working principle of the invention is as follows:
as shown in fig. 2 and 3, the high-pressure fluid enters from the top of the central shaft 1, the sand body enters from the sand inlet sleeve 3, the high-pressure fluid enters into the mixing pipe 5 after passing through the central shaft 1, the central shaft 10, the opening 11, the water inlet channel 12, the water distribution groove 8 and the water spraying hole 9, and negative pressure is generated at the bottom of the sand suction sleeve 7.
The sand body enters the rotary head 4 through the gap between the central shaft 1 and the central shaft sleeve 2, and under the action of negative pressure generated at the bottom of the sand suction sleeve 7, the sand body is sucked into the mixing pipe 5 to be mixed with high-pressure fluid, the mixture is sprayed out from the spraying port 6, the rotary head is rotated by the reaction force of the high-pressure fluid generated by the spraying port 6, the working surface is formed by points, and the working efficiency is greatly improved. When the central shaft moves along a straight line or a curve, the working surface also scans along the moving track of the central shaft, and the device is particularly suitable for large-area rust removal and paint removal.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the center shaft 1, the center bushing 2, the sand feeding sleeve 3, the rotary head 4, the mixing pipe 5, the injection port 6, the sand suction sleeve 7, the water distribution groove 8, the water spraying hole 9, the center shaft 10, the opening 11, the water feeding passage 12, the plug 13, the magnetic reduction assembly 14, the magnetic sleeve 15, the bearing assembly 16, the bearing sleeve 17, the magnetic ring 18, the deep groove ball bearing 19, the thrust ball bearing 20, the bearing washer 21 are used more herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the invention and should be construed in a manner consistent with their spirit and scope.
Claims (6)
1. The rotary spray head based on the high-pressure sand mixing water jet technology comprises a central shaft (1) and a central shaft sleeve (2) sleeved outside the central shaft (1), wherein a sand inlet sleeve (3) which is in sealing connection with the central shaft sleeve (2) is sleeved outside the central shaft sleeve (2), the sand inlet sleeve (3) is communicated with the central shaft sleeve (2), the rotary spray head is characterized in that a rotary head (4) is rotationally connected to the bottom of the central shaft (1), the rotary head (4) is communicated with the central shaft sleeve (2), at least two mixing pipes (5) are arranged at the end part of the rotary head (4), the mixing pipes (5) are communicated with the central shaft (1), the included angle between the axial lead of the mixing pipes (5) and the axial lead of the central shaft (1) is an acute angle,
the inside of the rotary head (4) is connected with a sand sucking sleeve (7) in a sealing way, the sand sucking sleeve (7) is internally provided with a channel which is communicated with the rotary head (4) and the mixing pipe (5), the side wall of the sand sucking sleeve (7) is provided with a circular water distribution groove (8), the bottom of the sand sucking sleeve (7) is provided with a plurality of water spraying holes (9) with two ends respectively communicated with the mixing pipe (5) and the water distribution groove (8), the water spraying holes (9) are uniformly arranged along the circumferential interval of the axial lead of the sand sucking sleeve (7),
the inner diameter of the mixing pipe (5) is reduced from one end close to the rotary head (4) to the other end so as to form an injection port (6), the included angle between the axial lead of the mixing pipe (5) and the axial lead of the central shaft (1) is 5-15 degrees,
a mandrel (10) is inserted in the central shaft (1), the mandrel (10) is communicated with the water distribution groove (8),
the bottom of the mandrel (10) is in sealing connection with the rotating head (4), a plurality of openings (11) are further formed in the bottom of the mandrel (10), a water inlet channel (12) which is communicated with the water distribution groove (8) and the openings (11) is formed in the rotating head (4), and a plug (13) which is in sealing fit with the rotating head (4) is arranged at the bottom of the mandrel (10).
2. The rotary sprayer based on the high-pressure sand-mixing water jet technology according to claim 1, characterized in that the angle between the axis of the mixing tube (5) and the axis of the central shaft (1) is 10 °.
3. The rotary sprayer based on the high-pressure sand mixing water jet technology according to claim 1, wherein the central shaft sleeve (2) is sleeved with a magnetic speed reducing assembly (14), and the magnetic speed reducing assembly (14) is positioned between the rotary head (4) and the sand inlet sleeve (3).
4. A rotary sprayer based on high-pressure sand mixing water jet technology according to claim 3, characterized in that the magnetic speed reducing assembly (14) comprises a magnetic sleeve (15) sleeved outside the central shaft sleeve (2), the bottom of the magnetic sleeve (15) is positioned between the rotary head (4) and the central shaft sleeve (2), the top of the magnetic sleeve (15) is provided with a bearing assembly (16), and the bearing assembly (16) is sleeved with a bearing sleeve (17).
5. The rotary sprayer based on the high-pressure sand mixing water jet technology according to claim 4, wherein the magnetic speed reducing assembly (14) further comprises a magnetic ring (18) sleeved on the magnetic sleeve (15), and the magnetic ring (18) is positioned in the bearing sleeve (17).
6. The rotary sprayer based on the high-pressure sand mixing water jet technology according to claim 5, wherein the bearing assembly (16) comprises a deep groove ball bearing (19) and a thrust ball bearing (20) which are sleeved outside the central shaft sleeve (2), a bearing gasket (21) is arranged between the deep groove ball bearing (19) and the thrust ball bearing (20), and the thrust ball bearing (20) is connected with the magnetic sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087453.0A CN108326758B (en) | 2018-01-30 | 2018-01-30 | Rotary spray head based on high-pressure sand mixing water jet technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087453.0A CN108326758B (en) | 2018-01-30 | 2018-01-30 | Rotary spray head based on high-pressure sand mixing water jet technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108326758A CN108326758A (en) | 2018-07-27 |
| CN108326758B true CN108326758B (en) | 2024-04-16 |
Family
ID=62926268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810087453.0A Active CN108326758B (en) | 2018-01-30 | 2018-01-30 | Rotary spray head based on high-pressure sand mixing water jet technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108326758B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216595A (en) * | 2019-07-22 | 2019-09-10 | 江苏龙冶节能科技有限公司 | A kind of suction-type rotoblast dusting device |
| CN112975755B (en) * | 2019-12-18 | 2022-05-10 | 中国石油天然气股份有限公司 | Pipeline scaler |
| CN112743460B (en) * | 2020-12-31 | 2022-04-15 | 广州大学 | Rotary nozzle for strengthening grinding processing |
| CN114017066A (en) * | 2021-11-04 | 2022-02-08 | 中煤科工集团重庆研究院有限公司 | Method for improving uniformity of guniting surface and self-rotating spray gun |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647673A (en) * | 1992-07-30 | 1994-02-22 | Daikin Ind Ltd | Abrasive nozzle device |
| JP2005131605A (en) * | 2003-10-31 | 2005-05-26 | Sugino Mach Ltd | Rotary nozzle unit of automatic revolving washing device |
| CN102166734A (en) * | 2011-02-23 | 2011-08-31 | 合肥通用机械研究院 | Rotary abrasive jet device |
| CN103072086A (en) * | 2012-12-20 | 2013-05-01 | 杭州天诚机电设备有限公司 | Method and device for swirling abrasive water jet cleaning |
| CN103419138A (en) * | 2013-08-12 | 2013-12-04 | 杭州天诚机电设备有限公司 | Multi-dimensional rotation grinding jet flow cleaning equipment and method |
| CN104923421A (en) * | 2015-05-22 | 2015-09-23 | 天津市通洁高压泵制造有限公司 | High-pressure magnetic rotary sprayer head |
| CN206763178U (en) * | 2017-04-19 | 2017-12-19 | 宋传金 | Pipe high-pressure water cleans self-rotating nozzle |
| CN206824049U (en) * | 2017-06-16 | 2018-01-02 | 台州博拓里尼机械有限公司 | self-rotating nozzle |
| CN207900952U (en) * | 2018-01-30 | 2018-09-25 | 浙江大农实业股份有限公司 | Rotating sprinkler based on high pressure mulling water-jet technology |
-
2018
- 2018-01-30 CN CN201810087453.0A patent/CN108326758B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647673A (en) * | 1992-07-30 | 1994-02-22 | Daikin Ind Ltd | Abrasive nozzle device |
| JP2005131605A (en) * | 2003-10-31 | 2005-05-26 | Sugino Mach Ltd | Rotary nozzle unit of automatic revolving washing device |
| CN102166734A (en) * | 2011-02-23 | 2011-08-31 | 合肥通用机械研究院 | Rotary abrasive jet device |
| CN103072086A (en) * | 2012-12-20 | 2013-05-01 | 杭州天诚机电设备有限公司 | Method and device for swirling abrasive water jet cleaning |
| CN103419138A (en) * | 2013-08-12 | 2013-12-04 | 杭州天诚机电设备有限公司 | Multi-dimensional rotation grinding jet flow cleaning equipment and method |
| CN104923421A (en) * | 2015-05-22 | 2015-09-23 | 天津市通洁高压泵制造有限公司 | High-pressure magnetic rotary sprayer head |
| CN206763178U (en) * | 2017-04-19 | 2017-12-19 | 宋传金 | Pipe high-pressure water cleans self-rotating nozzle |
| CN206824049U (en) * | 2017-06-16 | 2018-01-02 | 台州博拓里尼机械有限公司 | self-rotating nozzle |
| CN207900952U (en) * | 2018-01-30 | 2018-09-25 | 浙江大农实业股份有限公司 | Rotating sprinkler based on high pressure mulling water-jet technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108326758A (en) | 2018-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108326758B (en) | Rotary spray head based on high-pressure sand mixing water jet technology | |
| CN201127917Y (en) | Universal sprayer | |
| CN206454833U (en) | A kind of anti-blocking atomizer | |
| CN103736609A (en) | Rotating speed adjustable water power driving rotary spraying nozzle and speed adjusting method | |
| CN205012943U (en) | Rotatory instrument that washes of coiled tubing | |
| CN205701148U (en) | A kind of self-rotation eddy current atomization nozzle | |
| CN210259677U (en) | Unidirectional rotating spraying device for cleaning storage tank | |
| CN105727664A (en) | Low-noise long-distance mist jet dust falling equipment | |
| CN203542390U (en) | Blast nozzle for cleaning inner wall of steel pipe | |
| CN205570649U (en) | Be used for abluent high pressure water jet head of pipeline | |
| CN106694261B (en) | A kind of exterior mixing Dey-Dose holding together shape based on special-shaped gas flow hole power-assisted | |
| CN207900952U (en) | Rotating sprinkler based on high pressure mulling water-jet technology | |
| CN206366465U (en) | Planetary water spray windmill | |
| CN109604284A (en) | A kind of hydraulic inside wall of cylinder cleaner | |
| CN107876232A (en) | A kind of multiple-grooved rotating-spray mixing nozzle | |
| CN211756087U (en) | Nozzle on spray gun | |
| CN204816411U (en) | Crude oil storage tank rotary jetting formula agitator nozzle structure | |
| CN210230922U (en) | Multi-angle adjustable tank washer | |
| CN209287554U (en) | A kind of injection apparatus and sterilizing equipment decontaminating apparatus | |
| CN207793991U (en) | Flusher, dust suppression equipment and environmental sanitation vehicles | |
| CN207823233U (en) | A kind of high pressure self-rotating nozzle | |
| CN206408489U (en) | Foam asphalt generation apparatus | |
| CN111111535A (en) | Polymer mixes dissolving device for oil field | |
| CN203990991U (en) | A kind of rotary laxative sprayer unit | |
| CN205667912U (en) | A kind of three-dimensional auto-rotating spray head cleaned for liquid chemical groove tank car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |