CN112756121A - Water jet rust removal cleaning gun capable of forming gradient coating - Google Patents
Water jet rust removal cleaning gun capable of forming gradient coating Download PDFInfo
- Publication number
- CN112756121A CN112756121A CN202011397436.0A CN202011397436A CN112756121A CN 112756121 A CN112756121 A CN 112756121A CN 202011397436 A CN202011397436 A CN 202011397436A CN 112756121 A CN112756121 A CN 112756121A
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- Prior art keywords
- nozzles
- cross spray
- cleaning gun
- spray rod
- cross
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
- B05B3/0418—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
- B05B3/0422—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements
- B05B3/0427—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements the outlet elements being directly attached to the rotor or being an integral part of it
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- Nozzles (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a water jet rust removing cleaning gun capable of forming a gradient coating, which comprises a cleaning gun, wherein a cross spray rod on the cleaning gun is provided with corresponding nozzle holes, nozzles at the outermost periphery of the cross spray rod are outwards arranged at an angle of 15-45 degrees along the original direction, other nozzles are vertically and eccentrically arranged, high-pressure water enters the cross spray rod through a rotating body and is jetted out from the nozzles to achieve the purpose of cleaning and rust removing, the asymmetric and eccentric arrangement of the nozzles can drive the cross spray rod to rotate automatically, the vertical hitting force of the jet flow at the middle area of the rust removing of the cleaning gun is the largest, the rust removing at the middle area is complete, the cleaning gun can drive the cross spray rod to rotate automatically without additional work, the nozzles in the cross spray rod are vertically arranged, the nozzles at the outermost layer are outwards arranged, the hitting forces applied to the center and the outer layer are different, a certain pressure difference is formed, the rust, the tangential force of the jet flow can be enlarged, and the jet flow cleaning area is enlarged.
Description
Technical Field
The invention relates to the technical field of ship cleaning and rust removal, in particular to a water jet rust removal cleaning gun capable of forming a gradient coating.
Background
The ship and ocean engineering equipment are in service in a high-salt and oxygen-enriched corrosion environment for a long time, the corrosion problem is always an important factor influencing the service life of the ship, and protective coating is an important protection measure for preventing steel from controlling corrosion. The rust removal of the ship is the first step of ship repair coating construction, and the coating can achieve the expected protection effect only by carrying out good pretreatment on the surface of the ship body. In the prior art, a cleaning gun uniformly cleans a rust layer and a primer of a rust removing area according to the same pressure, and when a region with few rust layers is encountered, a good paint part of an outer layer area is easily damaged, so that the cost of secondary coating is increased; further, in the case of secondary coating of the primer, the primer cannot be applied to the outermost paint layer, which would result in poor adhesion of the coating.
Disclosure of Invention
The invention aims to provide a cleaning gun with corresponding nozzle holes on a cross spray rod, wherein nozzles at the outermost periphery of the cross spray rod are arranged at an angle of 15-45 degrees outwards along the original direction, other nozzles are vertically and eccentrically arranged, high-pressure water enters the cross spray rod through a rotating body and is ejected by the nozzles to achieve the purposes of cleaning and derusting, the asymmetric and eccentric arrangement of the nozzles can drive the cross spray rod to rotate automatically, the jet flow vertical hitting force in the middle area of the cleaning gun derusting at the moment is the largest, the middle area of the cleaning gun derusting is completely derusting, the cleaning gun can drive the cross spray rod to rotate automatically without additional work, the nozzles in the cross spray rod are vertically arranged, the outermost nozzles are outwards arranged, so that the hitting forces borne by the center and the outer layer are different, a certain pressure difference is formed, the middle area of the cleaning gun can be completely removed by rust, the original good, to solve the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can form slope coating water jet rust cleaning gun, includes the cleaning gun, be equipped with central rotator on the cleaning gun, central rotator is close to the below and is equipped with the cross spray lance, and the below central authorities of cross spray lance are equipped with the nozzle, be equipped with hexagon bolt between nozzle and the cross spray lance, the bilateral symmetry of nozzle is equipped with the protection casing, the cooperation installation between protection casing and cross spray lance, the nozzle.
Preferably, four nozzles are respectively arranged on two sides of one rod in the cross spray rod, three nozzles are arranged on the other rod, the outermost nozzles of the cross spray rod are arranged at 15-45 degrees outwards along the original direction, and the other nozzles on the cross spray rod are vertically arranged eccentrically.
Preferably, the cross spray rod is provided with a through hole in the internal flow passage, and one side of the cross spray rod is provided with a plug which is arranged behind the through hole in the internal flow passage of the cross spray rod.
Preferably, a clamping ring pressure plate is arranged on a rotating shaft at the bottom of the central rotating body, and a water retaining plate is arranged outside the clamping ring pressure plate.
Preferably, the angle adjustment range of the flow channel in the vertical direction is 0-10 degrees.
Preferably, the novel paint mist recycling device comprises the following steps:
A. the nozzles at the outermost periphery of the cross spray bars on the cross spray bars are arranged outwards at 15-45 degrees along the original direction, other nozzles are vertically and eccentrically arranged, and high-pressure water enters the cross spray bars through the rotating bodies and is emitted by the nozzles;
B. the jet flow vertical hitting force in the middle area of the cleaning gun for removing rust is maximum, and the middle area can completely remove rust;
C. the peripheral nozzles in the outer layer area spray water backwards, the spraying target distance is increased, and the jet flow hitting force is divided into vertical action and tangential action.
Compared with the prior art, the invention has the beneficial effects that:
(1) the cleaning gun is rotatably provided with a central rotating body, and high-pressure water enters the cross spray rod through the rotating body and is sprayed out from the nozzle to achieve the purposes of cleaning and derusting;
(2) this cleaning gun can drive cross spray lance autogyration, need not extra work, the perpendicular installation of the inside nozzle of cross spray lance, outermost nozzle is outwards installed, change efflux strike angle, make the center different with the hitting power that the skin received, form certain pressure differential, can guarantee that middle zone corrosion can be clear away completely, can guarantee again that the original good priming paint of outer zone is not destroyed, can enlarge efflux tangential force, increase efflux washing area, the original good priming paint of outer zone can remain, reduce secondary application cost, improve the coating cohesion.
Drawings
FIG. 1 is a schematic view of a cleaning gun according to the present invention;
FIG. 2 is a schematic view of the cross-spray bar of the present invention;
FIG. 3 is a cross-sectional view of the cross spray bar of the present invention;
fig. 4 is a schematic view of a rotary nine-way structure according to the present invention.
In the figure: 1. a central rotating body; 2. a snap ring platen; 3. a plug; 4. a hexagon bolt; 5. a nozzle; 6. a protective cover; 7. a cross-shaped spray rod; 8. a water retaining disc; 9. a connector; 10. A flow channel; 11. a runner connector; 12. cleaning a gun; 13. rotating the nine-way pipe; 14. a nozzle connector; 15. a central rotating body; 16. a high-pressure water connector; 17. a nozzle connector; 18. and a flow passage.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a water jet rust removing cleaning gun capable of forming a slope coating,
in the case of the example 1, the following examples are given,
be equipped with central rotator 1 on the washing gun 12 central rotator 1 is close to the below and is equipped with cross spray lance 7, and the below central authorities of cross spray lance 7 are equipped with nozzle 5, are equipped with hexagon bolt 4 between nozzle 5 and the cross spray lance 7, and the bilateral symmetry of nozzle 5 is equipped with protection casing 6, and the cooperation installation between protection casing 6 and cross spray lance 7, the nozzle 5.
In the case of the example 2, the following examples are given,
be equipped with central rotator 1 on washing rifle 12 central rotator 1 is close to the below and is equipped with cross spray lance 7, the below central authorities of cross spray lance 7 are equipped with nozzle 5, be equipped with hexagon bolt 4 between nozzle 5 and the cross spray lance 7, the bilateral symmetry of nozzle 5 is equipped with protection casing 6, protection casing 6 and cross spray lance 7, the cooperation installation between the nozzle 5, the inside of washing rifle 12 is equipped with rotatory nine logical 13, the inside central authorities of rotatory nine logical 13 are equipped with nozzle connection head 14, the outside of nozzle connection head 14 is equipped with central rotator 15, central rotator 15 is regular octagon, the inside of central rotator 15 is the equal angle and is equipped with runner 18, the angle control range of runner 18 in vertical direction is 0-10, the angle change nozzle 5 spray's scope through adjusting runner 18, the one end and the nozzle connection head 14 of runner 18 are connected, the other end of runner 18 is equipped with, the high-pressure water connection 16 is provided with a nozzle inside.
Four nozzles are respectively arranged on two sides of one rod in the cross spray rod 7, three nozzles are arranged on the other rod, the outermost nozzles of the cross spray rod 7 are arranged at 15-45 degrees outwards along the original direction, other nozzles 5 on the cross spray rod 7 are vertically and eccentrically arranged, the cleaning gun 12 is rotatably provided with a central rotating body 1, and high-pressure water enters the cross spray rod 7 through the central rotating body 1 and is ejected from the nozzles 5 to achieve the purposes of cleaning and derusting.
The asymmetric eccentric arrangement of nozzle 5 can drive cross spray lance 7 autogyration, and the perpendicular hitting power of regional efflux is the biggest in the middle of 12 derusting cleaning guns this moment, and the regional rust removals of middle is complete, and outer region is because outside nozzle outwards installs, and the efflux hitting power that receives divide into vertical and tangential action, and the hitting power reduces, and the efflux washs the area increase, and outer regional original good priming paint can remain, reduces secondary application cost, improves the coating cohesion.
A through hole is formed in the inner flow channel of the cross spray rod 7, a plug 3 is arranged on one side of the cross spray rod 7, the plug 3 is arranged behind the through hole of the inner flow channel of the cross spray rod 7, a clamping ring pressure plate 2 is arranged on a rotating shaft at the bottom of the central rotating body 1, and a water retaining plate 8 is arranged outside the clamping ring pressure plate 2.
The outermost nozzles of the cross spray bar 7 on the cross spray bar 7 are arranged at 15-45 degrees outwards along the original direction, other nozzles are vertically and eccentrically arranged, high-pressure water enters the cross spray bar 7 through the rotating body and is jetted out by the nozzles, the vertical hitting force of jet flow in the middle area for rust removal of the cleaning gun is the largest, the rust removal of the middle area is complete, the peripheral nozzles in the outer area jet water backwards, the jet target distance is increased, and the hit force of the jet flow is divided into vertical action and tangential action.
This cleaning gun 12 can drive cross spray lance 7 autogyration, need not extra work, and 5 perpendicular installations of the inside nozzle of cross spray lance, outermost nozzle are outwards installed, and the hitting power that makes the center receive is different with the skin, forms certain pressure differential, can guarantee that middle zone corrosion can obtain clearing away completely, can guarantee again that the original good priming paint of outer zone is not destroyed, can enlarge efflux tangential force, increase efflux washing area, the original good priming paint of outer zone can remain.
When the jet flow vertically acts on the surface of an object at the speed ue, the jet flow hitting force calculation formula is as follows:
f-jet hitting power in the formula
x/d-ratio of jet target distance to nozzle radius
ρ 1-Density of Water
When the jet impacts the object at an angle, the striking force of the jet perpendicular to the surface of the object is
Fsin theta
Theta-angle of incidence of jet impinging on the surface of an object
The formula shows that the jet speed and the diameter of the nozzle are almost determined when the pressure and the flow of the nozzle are constant, and the jet impact force can be reduced only by adjusting the target distance and the incident angle, so that the gradient coating with the primer is cleaned. Therefore this patent reaches the effect of wasing domatic coating through adjustment nozzle angle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A can form slope coating water jet rust cleaning gun, includes cleaning gun (12), its characterized in that: be equipped with central rotator (1) on washing rifle (12) central rotator (1) is close to the below and is equipped with cross spray lance (7), and the below central authorities of cross spray lance (7) are equipped with nozzle (5), be equipped with hexagon bolt (4) between nozzle (5) and cross spray lance (7), the bilateral symmetry of nozzle (5) is equipped with protection casing (6), the cooperation installation between protection casing (6) and cross spray lance (7), nozzle (5).
2. A slope coating formable water jet rust cleaning gun as claimed in claim 1, wherein: four nozzles are respectively arranged on two sides of one rod in the cross spray rod (7), three nozzles are arranged on the other rod, the nozzles on the outermost periphery of the cross spray rod (7) are arranged outwards at an angle of 15-45 degrees along the original direction, and the other nozzles on the cross spray rod (7) are vertically and eccentrically arranged.
3. A slope coating formable water jet rust cleaning gun as claimed in claim 1, wherein: a through hole is formed in the internal flow channel of the cross spray rod (7), a plug (3) is arranged on one side of the cross spray rod (7), and the plug (3) is arranged behind the through hole of the internal flow channel of the cross spray rod (7).
4. A slope coating formable water jet rust cleaning gun as claimed in claim 1, wherein: a clamping ring pressure plate (2) is arranged on a rotating shaft at the bottom of the central rotating body (1), and a water retaining plate (8) is arranged outside the clamping ring pressure plate (2).
5. A slope coating formable water jet rust cleaning gun as claimed in claim 1, wherein: the angle adjusting range of the flow channel (18) in the vertical direction is 0-10 degrees.
6. The implementation of claim 1 said novel paint mist recovery device, the method of use of which comprises the steps of:
A. the nozzles at the outermost periphery of the cross spray bar (7) on the cross spray bar (7) are arranged outwards at 15-45 degrees along the original direction, other nozzles are vertically and eccentrically arranged, and high-pressure water enters the cross spray bar (7) through the rotating body and is emitted by the nozzles;
B. the jet flow vertical hitting force in the middle area of the cleaning gun for removing rust is maximum, and the middle area can completely remove rust;
C. the peripheral nozzles in the outer layer area spray water backwards, the spraying target distance is increased, and the jet flow hitting force is divided into vertical action and tangential action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397436.0A CN112756121A (en) | 2020-12-04 | 2020-12-04 | Water jet rust removal cleaning gun capable of forming gradient coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397436.0A CN112756121A (en) | 2020-12-04 | 2020-12-04 | Water jet rust removal cleaning gun capable of forming gradient coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112756121A true CN112756121A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397436.0A Pending CN112756121A (en) | 2020-12-04 | 2020-12-04 | Water jet rust removal cleaning gun capable of forming gradient coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112756121A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695098A (en) * | 2021-09-26 | 2021-11-26 | 浙江澎湃智能装备有限公司 | Rotary 18-nozzle jet flow cross-shaped spray head |
| CN113798074A (en) * | 2021-09-16 | 2021-12-17 | 辽宁忠旺机械设备制造有限公司 | Self-rotating cleaning spray disc for aluminum template |
-
2020
- 2020-12-04 CN CN202011397436.0A patent/CN112756121A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798074A (en) * | 2021-09-16 | 2021-12-17 | 辽宁忠旺机械设备制造有限公司 | Self-rotating cleaning spray disc for aluminum template |
| CN113695098A (en) * | 2021-09-26 | 2021-11-26 | 浙江澎湃智能装备有限公司 | Rotary 18-nozzle jet flow cross-shaped spray head |
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Application publication date: 20210507 |
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| RJ01 | Rejection of invention patent application after publication |