CN112718285A - Concentric rotary high-pressure spray gun - Google Patents
Concentric rotary high-pressure spray gun Download PDFInfo
- Publication number
- CN112718285A CN112718285A CN202011470689.6A CN202011470689A CN112718285A CN 112718285 A CN112718285 A CN 112718285A CN 202011470689 A CN202011470689 A CN 202011470689A CN 112718285 A CN112718285 A CN 112718285A
- Authority
- CN
- China
- Prior art keywords
- water
- rotary
- water inlet
- pipe
- sleeve
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a concentric rotation type high-pressure spray gun, which comprises a water-sand mixing spray head, a rotary water inlet spray pipe, a water delivery supporting pipe and a motor assembly, wherein the water-sand mixing spray head is provided with a grinding material inlet, a sand mixing chamber and a spray nozzle which are sequentially communicated; the water delivery supporting pipe is communicated with the rotary water inlet spray pipe, and the water delivery supporting pipe is movably connected with the rotary water inlet spray pipe so that the rotary water inlet spray pipe can perform autorotation motion relative to the water delivery supporting pipe. It can realize large-area and high-efficiency cleaning.
Description
Technical Field
The invention relates to the technical field of spray guns, in particular to a concentric rotary high-pressure spray gun.
Background
The high-pressure water jet cleaning equipment uses a high-pressure generating device to pressurize water, and the water reaches a water-sand mixing spray head through a certain amount of pipelines, then the high-pressure low-flow water is converted into high-pressure high-flow-rate jet, then the jet continuously acts on the cleaned surface with higher impact kinetic energy, so that scales fall off, and finally the cleaning purpose is realized.
At present, the water-sand mixing nozzle applied to the cleaning system combining the high-pressure water jet cleaning equipment and the sand blasting device mainly comprises a shell, a nozzle and a sand mixing part, wherein the nozzle and the sand mixing part are fixedly arranged in the shell, one end of the nozzle is communicated with a gun barrel with a flow channel, the other end of the nozzle is communicated with a first end of the sand mixing part, the side part of the sand mixing part is communicated with the sand blasting device, and a nozzle communicated with the outside is formed at a second end of the sand mixing part.
Disclosure of Invention
In order to overcome the disadvantages of the prior art, the invention aims to provide a concentric rotary high-pressure spray gun which can realize large-area and high-efficiency cleaning.
The purpose of the invention is realized by adopting the following technical scheme:
the concentric rotation type high-pressure spray gun comprises a water-sand mixing spray nozzle, a rotary water inlet spray pipe, a water delivery support pipe and a motor assembly, wherein the water-sand mixing spray nozzle is provided with a grinding material inlet, a sand mixing chamber and a spray nozzle which are sequentially communicated, a water outlet of the rotary water inlet spray pipe is communicated with the sand mixing chamber, a water outlet of the rotary water inlet spray pipe is opposite to a water inlet of the water-sand mixing spray nozzle, the motor assembly is in driving connection with the rotary water inlet spray pipe and is used for driving the rotary water inlet spray pipe to rotate, and the water-sand mixing spray nozzle is in linkage connection with the rotary water inlet spray pipe so that the water-sand mixing spray nozzle and the rotary water inlet spray pipe rotate together; the water delivery supporting pipe is communicated with the rotary water inlet spray pipe, and the water delivery supporting pipe is movably connected with the rotary water inlet spray pipe so that the rotary water inlet spray pipe can perform autorotation motion relative to the water delivery supporting pipe.
Further, the motor assembly comprises a motor, a driving gear in driving connection with the motor, and a driven gear in transmission connection with the driving gear, and the driven gear is coaxial and fixedly connected with the rotary water inlet spray pipe.
Further, the motor assembly further comprises a motor shell and a bearing group installed in the motor shell, the bearing group is sleeved outside the rotary water inlet spray pipe, and the motor shell is fixedly connected with the water delivery support pipe.
Furthermore, the concentric rotary high-pressure spray gun further comprises a first sealing sleeve, a first sealing ring accommodated in the first sealing sleeve and a connecting sleeve arranged in the first sealing ring, wherein the connecting sleeve is movably sleeved outside the rotary water inlet spray pipe so that the rotary water inlet spray pipe can perform autorotation motion relative to the connecting sleeve, and the water delivery support pipe is connected with the first sealing sleeve and communicated with the connecting sleeve.
Furthermore, the water-sand mixing sprayer comprises a gland, a nozzle which is fixedly connected with the gland and provided with the nozzle, a sleeve which is fixedly connected with the nozzle, and a head body which is fixedly connected with the sleeve, wherein the sleeve is sleeved outside the nozzle, the sand mixing chamber is arranged in the head body, the head body is sleeved outside the sleeve, and the nozzle is limited between the gland and the sleeve by the gland and the sleeve.
Furthermore, the water-sand mixing nozzle also comprises a threaded sleeve which is sleeved outside the nozzle body and extrudes the gland so that the gland compresses the sleeve.
Furthermore, the end part of the rotary water inlet spray pipe is in threaded connection with a pure water spray head, and the pure water spray head is positioned in the sand mulling chamber.
Furthermore, the concentric rotation type high-pressure spray gun further comprises a second sealing sleeve, the second sealing sleeve is fixedly sleeved on the periphery of the rotary water inlet spray pipe and the pure water spray head and is in threaded connection with the rotary water inlet spray pipe, the second sealing sleeve is arranged in the sand mulling chamber, and the second sealing sleeve is in sealing connection with the water-sand mixed spray head through a second sealing ring.
Further, the spout by the trumpet-shaped entry and with the rectangle export that the trumpet-shaped entry links to each other constitutes, the great one end of bore of trumpet-shaped entry with the mulling room switch-on.
Further, the axis of the abrasive inlet and the axis of the nozzle are arranged in an inclined mode, and the abrasive inlet is connected with an abrasive pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. carry out the rotation through the rotatory spray tube that intakes of motor element drive for the mixed shower nozzle of water sand that is connected with the linkage of rotatory spray tube that intakes rotates along with rotatory spray tube that intakes, the spout of rotatory spray tube that intakes promptly also carries out the rotation motion, make the spout sweep the area in the unit interval in rotatory process and can increase, spray the face and effectively enlarge promptly, can realize the large tracts of land operation, the cleaning efficiency has been improved to a great extent, under the condition that consumes energy, the manual work is the same, cost greatly reduced.
2. In addition, because the rotatory spray tube of intaking can rotate with the water sand mixture shower nozzle in step syntropy for the directionality of rotatory spray tube of intaking and water sand mixture shower nozzle keeps unanimous, thereby it is more smooth and easy to make fluidic flow, the resistance is little, the hydrodynamic energy is bigger, also effectively avoid leading to the phenomenon of efflux kinetic energy loss because of the rotatory spray tube of intaking is different with water sand mixture shower nozzle directionality, thereby guarantee to mix the shower nozzle spun efflux from water sand for high velocity of flow high pressure efflux, increase jet impact force, further improve the cleaning efficiency.
3. More importantly, the fluid passing through the rotary water inlet spray pipe and the water-sand mixing spray head rotating in the same direction in sequence can form a certain pulse effect, the impact force of the sprayed jet flow is larger, and the cleaning efficiency is higher.
4. In addition, under the effect that motor element drive rotation spray tube carries out the rotation, the mixed shower nozzle of water sand rotates along with rotation spray tube that intakes, therefore also makes spout spun efflux have certain revolving force, has improved the efflux impact force, and the cleaning efficiency is higher.
Drawings
FIG. 1 is a schematic structural view of a concentric rotary high pressure spray gun of the present invention;
FIG. 2 is a partial cross-sectional view of the concentric rotary high pressure spray gun of FIG. 1;
FIG. 3 is another partial cross-sectional view of the concentric rotary high pressure spray gun of FIG. 1.
In the figure: 1. a water-sand mixing nozzle; 11. a gland; 12. a nozzle; 13. a sleeve; 14. a head body; 141. an abrasive inlet; 142. a sand mixing chamber; 143. a spout; 1431. a trumpet-shaped inlet; 1432. a rectangular outlet; 15. a threaded sleeve; 2. rotating the water inlet spray pipe; 3. a water delivery supporting pipe; 4. a motor assembly; 41. a motor; 42. a driving gear; 43. a driven gear; 44. a motor housing; 45. a bearing set; 51. a first seal cartridge; 52. a first seal ring; 53. connecting sleeves; 6. a pure water spray head; 7. a second seal cartridge; 8. a second seal ring; 9. and (5) grinding the material pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, "vertical," "horizontal," "left," "right," and similar expressions are for purposes of illustration only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 1-3 show a concentric rotary high-pressure spray gun according to a preferred embodiment of the present invention, which comprises a water-sand mixing nozzle 1, a rotary water inlet nozzle 2, a water delivery support pipe 3 and a motor assembly 4. The water-sand mixing nozzle 1 is provided with an abrasive inlet 141, a sand mixing chamber 142 and a nozzle 143 which are sequentially communicated, a water outlet of the rotary water inlet spray pipe 2 is communicated with the sand mixing chamber 142, a water outlet of the rotary water inlet spray pipe 2 is opposite to a water inlet of the water-sand mixing nozzle 1, pure water is input through the rotary water inlet spray pipe 2, and abrasive with air is input through the abrasive inlet 141, and the three are mixed in the sand mixing chamber 142 and then sprayed out along the nozzle 143 to spray and wash a target object. The motor assembly 4 is in driving connection with the rotary water inlet spray pipe 2 and is used for driving the rotary water inlet spray pipe 2 to rotate, and the water-sand mixing spray head 1 is in linkage connection with the rotary water inlet spray pipe 2 so that the water-sand mixing spray head 1 and the rotary water inlet spray pipe 2 rotate together, namely, rotate synchronously. The water delivery support pipe 3 is communicated with the rotary water inlet spray pipe 2, and the water delivery support pipe 3 is movably connected with the rotary water inlet spray pipe 2 so that the rotary water inlet spray pipe 2 can perform self-rotation movement relative to the water delivery support pipe 3.
It can be understood that when in use, the water delivery supporting pipe 3 is communicated with a water source, pure water is input into the rotary water inlet spray pipe 2 from the water delivery supporting pipe 3, and the rotary water inlet spray pipe 2 continuously introduces the pure water into the sand mulling chamber 142; meanwhile, the abrasive with air is introduced into the sand mixing chamber 142 through the abrasive inlet 141, and the abrasive, pure water and air are mixed and sprayed out along the nozzle 143 under high pressure in the sand mixing chamber 142, so that the target object is sprayed. In addition, under the effect that motor element 4 drive rotatory spray tube 2 that intakes carries out the rotation, water sand mixes shower nozzle 1 and rotates together along with rotatory spray tube 2 that intakes, therefore also makes spout 143 spun efflux have certain revolving force, has improved the efflux impact force, and the cleaning efficiency is higher.
Obviously, drive rotatory spray tube 2 of intaking through motor element 4 and carry out the rotation, make the mixed shower nozzle 1 of water sand that is connected with the linkage of rotatory spray tube 2 of intaking rotate along with rotatory spray tube 2 of intaking, spout 143 of rotatory spray tube 2 of intaking also carries out the rotation motion promptly, make spout 143 sweep area can increase in rotatory in-process unit time, spray the face of hitting promptly and effectively enlarge, can realize the large tracts of land operation, the cleaning efficiency has been improved to a great extent, under the condition that consumes energy, the manual work is the same, cost greatly reduced. In addition, because rotatory spray tube 2 of intaking can synchronous syntropy with water sand mixing shower nozzle 1 and rotate, make the directionality of rotatory spray tube 2 of intaking and water sand mixing shower nozzle 1 keep unanimous (polarity corresponds promptly, make in proper order through rotatory spray tube 2 of intaking, the liquid of water sand mixing shower nozzle 1 forms certain pulse effect, the efflux impact force of spraying away is bigger, the cleaning efficiency is higher), thereby it is more smooth and easy to make fluidic flow, the resistance is little, the hydrodynamic performance is bigger, effectively avoid leading to the phenomenon of efflux kinetic energy loss because of rotatory spray tube 2 of intaking is different with water sand mixing shower nozzle 1 directionality, thereby guarantee to mix the efflux of shower nozzle 1 spun from water sand and be high velocity of flow high pressure jet, increase the efflux impact force, further improve cleaning efficiency. More importantly, the fluid passing through the rotating water inlet spray pipe 2 and the water-sand mixing spray head 1 rotating in the same direction can form a certain pulse effect, the impact force of the sprayed jet flow is larger, and the cleaning efficiency is higher. Among them, in particular, as an optimum structure of the ejection port 143: the nozzle 143 is composed of a trumpet-shaped inlet 1431 and a rectangular outlet 1432 connected to the trumpet-shaped inlet 1431, and one end of the trumpet-shaped inlet 1431 with a larger aperture is communicated with the sand mixing chamber 142. It should be noted that the efflux that rectangle export 1432 spun is fan-shaped efflux shape, and the hitting power is comparatively showing, but because the shape reason, the hitting area is less, has greatly restricted cleaning efficiency, mixes shower nozzle 1 on the basis of rotating together through rotatory water inlet spray pipe 2 for fan-shaped efflux shape takes place the rotation motion and forms conical efflux, thereby has solved the less problem of hitting area when water sand mixes shower nozzle 1 adopts rectangle export 1432.
As a further preferred embodiment: the motor assembly 4 comprises a motor 41, a driving gear 42 in driving connection with the motor 41, and a driven gear 43 in transmission connection with the driving gear 42, wherein the driven gear 43 is coaxial and fixedly connected with the rotary water inlet nozzle 2. It can be understood that a gear pair can be additionally arranged between the driving wheel and the driven wheel. Preferably, the motor assembly 4 further includes a motor casing 44 and a bearing set 45 installed in the motor casing 44, the bearing set 45 is sleeved outside the rotary water inlet nozzle 2, and the motor casing 44 is fixedly connected with the water delivery support pipe 3. So, can be so that the water sand mixes shower nozzle 1 and rotatory spray tube 2 synchronous revolution time more steady.
As a further preferred embodiment: the concentric rotation type high-pressure spray gun further comprises a first sealing sleeve 51, a first sealing ring 52 accommodated in the first sealing sleeve 51 and a connecting sleeve 53 arranged in the first sealing ring 52, wherein the connecting sleeve 53 is movably sleeved outside the rotary water inlet spray pipe 2 so that the rotary water inlet spray pipe 2 can perform self-rotation movement relative to the connecting sleeve 53, and the water delivery support pipe 3 is connected with the first sealing sleeve 51 and communicated with the connecting sleeve 53. In this way, the rotating water inlet pipe 2 is supported with the water delivery support pipe 3 as a static support carrier while satisfying the supply of pure water and ensuring a safe seal. In which, as a more preferred embodiment, the first sealing ring 52 is provided with a plurality of first sealing rings 52, the plurality of first sealing rings 52 are stacked and arranged next to each other in the axial direction of the first sealing ring 52, and the first sealing ring 52 is a V-shaped sealing ring, so as to greatly improve the sealing performance.
As a further preferred embodiment: the water-sand mixed spray head 1 comprises a gland 11, a nozzle 12 (namely, the spout 143 is arranged on the nozzle 12) which is fixedly connected with the gland 11 and is provided with the spout 143, a sleeve 13 fixedly connected with the nozzle 12 and a head body 14 fixedly connected with the sleeve 13, wherein the sleeve 13 is sleeved outside the nozzle 12, a sand mixing chamber 142 is arranged in the head body 14, the head body 14 is sleeved outside the sleeve 13, and the nozzle 12 is limited between the gland 11 and the sleeve 13 by the gland 11 and the sleeve 13. This arrangement facilitates the installation and removal of the nozzle 12 for ease of maintenance and for the exchange of different nozzles 12 for different jet shapes. Preferably, the water-sand mixing nozzle 1 further comprises a threaded sleeve 15, wherein the threaded sleeve 15 is sleeved outside the nozzle body 14 and extrudes the gland 11, so that the gland 11 compresses the sleeve 13.
As a further preferred embodiment: the end part of the rotary water inlet spray pipe 2 is in threaded connection with a pure water spray head 6, and the pure water spray head 6 is positioned in the sand mixing chamber 142. This arrangement also facilitates the exchange of the shape of the pure water spray head 6 to match the shape of the nozzle opening 143 of the nozzle 12 to improve the movement of the fluid, thereby enhancing the jet impact force.
As a further preferred embodiment: the concentric rotation type high-pressure spray gun further comprises a second sealing sleeve 7, the second sealing sleeve 7 is fixedly sleeved on the peripheries of the rotary water inlet spray pipe 2 and the pure water spray head 6 and is in threaded connection with the rotary water inlet spray pipe 2, the second sealing sleeve 7 is arranged in the sand mixing chamber 142, and the second sealing sleeve 7 is in sealing connection with the water-sand mixing spray head 1 through a second sealing ring 8. Set up like this to in installation and dismantlement, not only the easy access, be convenient for change the pure water shower nozzle 6 in order to change the pure water shower nozzle 6 of different delivery port shapes moreover.
As a further preferred embodiment: the axis of the abrasive inlet 141 and the axis of the nozzle 143 are arranged obliquely to each other, and the abrasive tube 9 is connected to the abrasive inlet 141.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. Concentric rotation type high-pressure spray gun, its characterized in that: the water-sand mixing sprayer comprises a water-sand mixing sprayer, a rotary water inlet spray pipe, a water delivery supporting pipe and a motor assembly, wherein the water-sand mixing sprayer is provided with a grinding material inlet, a sand mixing chamber and a spray nozzle which are sequentially communicated, a water outlet of the rotary water inlet spray pipe is communicated with the sand mixing chamber, a water outlet of the rotary water inlet spray pipe is opposite to a water inlet of the water-sand mixing sprayer, the motor assembly is in driving connection with the rotary water inlet spray pipe and is used for driving the rotary water inlet spray pipe to rotate, and the water-sand mixing sprayer is in linkage connection with the rotary water inlet spray pipe so as to enable the water-sand mixing sprayer and the rotary water inlet spray pipe to rotate together; the water delivery supporting pipe is communicated with the rotary water inlet spray pipe, and the water delivery supporting pipe is movably connected with the rotary water inlet spray pipe so that the rotary water inlet spray pipe can perform autorotation motion relative to the water delivery supporting pipe.
2. The concentric rotary high pressure spray gun of claim 1, wherein: the motor assembly comprises a motor, a driving gear and a driven gear, the driving gear is connected with the motor in a driving mode, the driven gear is connected with the driving gear in a transmission mode, and the driven gear is coaxial with and fixedly connected with the rotary water inlet spray pipe.
3. The concentric rotary high pressure spray gun of claim 2, wherein: the motor assembly further comprises a motor shell and a bearing group installed in the motor shell, the bearing group is sleeved outside the rotary water inlet spray pipe, and the motor shell is fixedly connected with the water delivery supporting pipe.
4. The concentric rotary high pressure spray gun of claim 3, wherein: the concentric rotation type high-pressure spray gun further comprises a first sealing sleeve, a first sealing ring accommodated in the first sealing sleeve and a connecting sleeve arranged in the first sealing ring, wherein the connecting sleeve is movably sleeved outside the rotary water inlet spray pipe so that the rotary water inlet spray pipe can perform autorotation motion relative to the connecting sleeve, and the water conveying support pipe is connected with the first sealing sleeve and communicated with the connecting sleeve.
5. The concentric rotary high pressure spray gun of claim 1, wherein: the water-sand mixed sprayer comprises a gland, a nozzle fixedly connected with the gland and provided with a nozzle, a sleeve fixedly connected with the nozzle, and a head body fixedly connected with the sleeve, wherein the sleeve is sleeved outside the nozzle, a sand mixing chamber is arranged in the head body, the head body is sleeved outside the sleeve, and the nozzle is limited by the gland and the sleeve between the gland and the sleeve.
6. The concentric rotary high pressure spray gun of claim 5, wherein: the water-sand mixed nozzle also comprises a threaded sleeve which is sleeved outside the nozzle body and extrudes the gland so that the gland compresses the sleeve.
7. The concentric rotary high pressure spray gun of claim 1, wherein: the end part of the rotary water inlet spray pipe is in threaded connection with a pure water spray head, and the pure water spray head is located in the sand mulling chamber.
8. The concentric rotary high pressure spray gun of claim 7, wherein: the concentric rotation type high-pressure spray gun further comprises a second sealing sleeve, the second sealing sleeve is fixedly sleeved on the periphery of the rotary water inlet spray pipe and the pure water spray head and is in threaded connection with the rotary water inlet spray pipe, the second sealing sleeve is arranged in the sand mulling chamber, and the second sealing sleeve is in sealing connection with the water-sand mixed spray head through a second sealing ring.
9. The concentric rotary high pressure spray gun of claim 1, wherein: the spout by loudspeaker form entry and with the rectangle export that loudspeaker form entry links to each other constitutes, the great one end of bore of loudspeaker form entry with the mulling room switch-on.
10. The concentric rotary high pressure spray gun of claim 1, wherein: the axis of the abrasive inlet and the axis of the nozzle are arranged in an inclined mode, and the abrasive inlet is connected with an abrasive pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470689.6A CN112718285A (en) | 2020-12-15 | 2020-12-15 | Concentric rotary high-pressure spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470689.6A CN112718285A (en) | 2020-12-15 | 2020-12-15 | Concentric rotary high-pressure spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112718285A true CN112718285A (en) | 2021-04-30 |
Family
ID=75599870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011470689.6A Pending CN112718285A (en) | 2020-12-15 | 2020-12-15 | Concentric rotary high-pressure spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112718285A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879258A (en) * | 2021-11-18 | 2022-01-04 | 苏州新联众汇信息科技有限公司 | High-efficient qxcomm technology equipment of spraying of intelligence carwash |
-
2020
- 2020-12-15 CN CN202011470689.6A patent/CN112718285A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879258A (en) * | 2021-11-18 | 2022-01-04 | 苏州新联众汇信息科技有限公司 | High-efficient qxcomm technology equipment of spraying of intelligence carwash |
| CN113879258B (en) * | 2021-11-18 | 2024-04-12 | 苏州新联众汇信息科技有限公司 | Intelligent car washing high-efficiency omni-directional spraying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102606548B (en) | Radial-flow type fluidic pressure wave supercharger | |
| CN102166734B (en) | Rotary abrasive jet device | |
| CN102773177B (en) | Rotary spraying device | |
| CN107159471A (en) | Possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction | |
| CN110281157A (en) | A kind of adjustable the Premixed Abrasive Water Jet device | |
| CN112718285A (en) | Concentric rotary high-pressure spray gun | |
| CN108326758B (en) | Rotary spray head based on high-pressure sand mixing water jet technology | |
| CN101816984A (en) | Mixed gas diffusion sprayer | |
| CN214487430U (en) | Concentric rotary high-pressure spray gun | |
| CN107825302B (en) | High-pressure water sand mixing rotary spray head | |
| CN113663546A (en) | Multistage static mixer and use method thereof | |
| CN208627600U (en) | Sandstone mixing field dust pelletizing system | |
| CN206647269U (en) | One kind centrifugation Pulsed Jet Pump | |
| CN112742618B (en) | High-pressure water jet spray gun | |
| CN106837822B (en) | Pulse jet vacuum pump with horizontal water outlet | |
| CN215197325U (en) | Water based paint sand mill | |
| CN100462149C (en) | Rotating type high-pressure airless spraying gun | |
| CN213727371U (en) | Automatic rotary reverse cleaning nozzle for airless spraying | |
| CN1025480C (en) | Spray propelling atomizer | |
| CN211303463U (en) | Bubble type atomizing spray gun nozzle | |
| CN109382350A (en) | High-pressure cleaning device | |
| CN210550502U (en) | Suction type rotary sand blasting powder spraying device | |
| CN214487429U (en) | After mix formula has water to spout sand gun | |
| CN113084716B (en) | Water sand rotary joint and sand blasting gun | |
| CN201042695Y (en) | Internal wall coating spray gun for steel tube |
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 |