CN105500219B - A kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing method - Google Patents
A kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing method Download PDFInfo
- Publication number
- CN105500219B CN105500219B CN201511011571.6A CN201511011571A CN105500219B CN 105500219 B CN105500219 B CN 105500219B CN 201511011571 A CN201511011571 A CN 201511011571A CN 105500219 B CN105500219 B CN 105500219B
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- Prior art keywords
- water
- air
- abrasive
- gas
- control valve
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
- B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
- B24C7/0061—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
- B24C7/0076—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier the blasting medium being a liquid stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of pneumatic water mist rust-removing paint-removing device, including air supply system and feeding system；Air supply system includes air source generator, gas conditioner and gas control water pump；Feeding system includes abrasive can, diaphragm valve, mixing bunker and sand-blasting gun.Rust-removing paint-removing method is to be supplied by air supply system to gas control water pump and mixing bunker, and gas control water pump is input to after water is pressurized in abrasive can, and the mortar in abrasive can is mixed in mixing bunker with compressed air to be sprayed through sand-blasting gun.The present invention overcomes dust polluting environment in dry blasting operating type, the defects of damaging health；Overcome high-pressure water pressure vulnerable part, price height leads to the defects of maintaining is of high cost, and water consumption is big, and efficiency is low；It overcomes metal work surface and is susceptible to the phenomenon that reprocessing.Overcome the defects of returning rust again soon after the derusting of abrasive water jet Flow Technique；The defects of being difficult to adjust compressed air pressure size is overcome, the present invention can adjust the rotating speed of gas control water pump.
Description
Technical field
The present invention relates to rust-removing paint-removing field, more particularly to a kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing side
Method.
Background technology
Shipbuilding industry derusting engineering is repaiied both at home and abroad has used dry blasting, shot peening technology.Dry blast-cleaning technology
A large amount of dust and noise are generated during operation, environment is seriously polluted, endangers the health of operating personnel.For meet the requirement of environmental protection, state
It is inside and outside that high-pressure water has been used to derust.Compared with dry blasting, high-pressure water rust removalling equipment has higher pressure, dangerous
Greatly；Vulnerable part, price height cause maintaining of high cost；Water consumption is big, and efficiency is low；Metal work surface, which is susceptible to, reprocesses now
As.
With the development of abrasive water jet Flow Technique, the Water jet equipment for the purpose of derusting can be at low pressures
Derusting, but because this method using water as medium, can return rust, constrain grinding material water jet rust removing technology again soon after derusting
Development.
Invention content
The technical problems to be solved by the invention are to provide a kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing method,
The defects of overcoming dust polluting environment in dry blasting operating type, damaging health；Overcome high-pressure water pressure rapid wear
Part, price height lead to the defects of maintaining is of high cost, and water consumption is big, and efficiency is low；It overcomes metal work surface and is susceptible to and return
The phenomenon that repairing.Overcome the defects of returning rust again soon after the derusting of abrasive water jet Flow Technique；It overcomes and is difficult to adjust compression sky
The defects of atmospheric pressure size, the present invention can adjust the rotating speed of gas control water pump.
Solving the technical solution of above-mentioned technical problem is：A kind of pneumatic water mist rust-removing paint-removing device, including air supply system and
Feeding system；The air supply system includes air source generator, gas conditioner and gas control water pump, air source generator and passes through gas
Adjuster is connected on gas control water pump, and gas conditioner has output terminal, is equipped between air source generator and gas conditioner
Air pressure regulator；Pump speed control valve is equipped between gas conditioner and gas control water pump；The feeding system include abrasive can,
Diaphragm valve, mixing bunker and sand-blasting gun, the input terminal of abrasive can are connected on gas control water pump, and the output terminal of abrasive can connects through diaphragm valve
It is connected on mixing bunker, the output terminal connection of mixing bunker and gas conditioner, sand-blasting gun is connected to by high-pressure rubber pipe on mixing bunker.
Further, air gauge is equipped between air pressure regulator and gas conditioner；It is equipped on gas conditioner tight
Anxious stop botton；Air control switch is equipped between gas conditioner and mixing bunker.
Further, the input terminal of gas control water pump is connected with water tank；It is connected in turn between gas control water pump and abrasive can
Water control valve and water pressure gauge.
Further, abrasive material speed governing valve is parallel between the input terminal of abrasive can and output terminal.
Further, it is parallel with washing control valve between the input terminal of abrasive can and the output terminal of diaphragm valve.
Further, Switch of spray pistol is equipped between mixing bunker and sand-blasting gun.
A kind of pneumatic water mist rust-removing paint-removing method adds in abrasive material for abrasive can manually, seals abrasive can；Then start air source
Generator, the compressed air that air source generator generates enter startup gas control water in gas control water pump all the way after gas conditioner
Pump, enters in mixing bunker all the way；The gas control water pump of startup makes water enter abrasive can；Abrasive material in abrasive can is mixed to form with water
Mortar, the mortar in abrasive can are entered under the action of diaphragm valve in mixing bunker, and the mortar through diaphragm valve enters with another way
Compressed air mixed in mixing bunker, mortar through high-pressure rubber pipe by compressed air from sand-blasting gun project.
Further, air pressure regulator and air gauge are equipped with successively between air source generator and gas conditioner；In gas
Pump speed control valve is equipped between body adjuster and gas control water pump；Emergency stop button is equipped on gas conditioner；In gas tune
It saves and air control switch is equipped between device and mixing bunker；The pressure of compressed air is controlled by air pressure regulator, and is shown on air gauge
Show；Gas control water pump water quantity sucked is controlled by pump speed control valve；Emergency stop button is in case of emergency being pressed, is stopping gas
Source generator stops all devices operation；After the completion of operation, the compression being fed to by air control switch cut-out in mixing bunker is empty
Gas.
Further, abrasive material speed governing valve is parallel between the input terminal of abrasive can and output terminal；By adjusting abrasive material tune
Fast valve adjusts the flow velocity of mortar using water jet.
Further, it is parallel with washing control valve between the input terminal of abrasive can and the output terminal of diaphragm valve；Connect punching
Control valve is washed, water jet is made to clean mixing bunker and sand-blasting gun.
The beneficial effects of the invention are as follows：
1st, it in operation of the present invention, using big operating pressure as dry blasting, i.e., less than 0.8MPa, can reach
Sa2.5 grades of hull-rust extraction standard calling hierarchies, rust cleaning efficiency are not less than dry blasting, and amount of abrasive used is well below dry blasting.
Overcome high-pressure water pressure vulnerable part, the defects of price height causes maintaining of high cost.
2nd, it can optimize empty gas and water and the ratio of abrasive material using fluid dynamics techniques in the present invention, go out the degree of lip-rounding at sand-blasting gun
It into water mists water cover, can reduce by 99% floating dust, overcome dust polluting environment in dry blasting operating type, damage health
The defects of.Overcome the defects of water consumption is big, and efficiency is low.
4th, the existing dry blasting gas supply air source generator of shipyard can be utilized in operation of the present invention, without being supplied in repeat buying
Gas and supply equipment, reduce cost.
5th, the present invention cuts off sand supplying after derusting, and washing and cleaning operation is carried out using water and compressed air.
6th, the present invention cuts off sand supplying and water supply, carries out drying operation using compressed air, prevent from reprocessing after derusting.
7th, the sealing that the control valve in the present invention, gas control water pump, abrasive material fill is all using pneumatic control, without it is external other
Power source can work in rainy day and high humidity environment.
8th, air pressure regulator can control the pressure of compressed air in main steam line.Gas control water is controlled by pump speed control valve
The rotating speed of pump, so as to achieve the purpose that adjust water quantity sucked.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1st, air source generator 2, air pressure regulator 3, pressure gauge 4, emergency stop button 5, gas conditioner
6th, pump speed control valve 7, gas control water pump 8, abrasive material speed governing valve 9, water control valve 10, washing control valve 11, pressure
Table 12, abrasive can 13, air control switch 14, diaphragm valve 15, mixing bunker 16, Switch of spray pistol 17, sand-blasting gun 18,
Water tank
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, a kind of pneumatic water mist rust-removing paint-removing device includes air supply system and feeding system.
The air supply system includes air source generator 1, air pressure regulator 2, air gauge 3, gas conditioner 5, water pump tune
Fast valve 6, gas control water pump 7 and air control switch 13.The output terminal of air source generator 1 is connected to air pressure regulator by main steam line
2 input terminal, the output terminal of air pressure regulator 2 are connect by main steam line with air gauge 3, and air gauge 3 passes through main air supply pipe
Road is connect with the input terminal of gas conditioner 5, and an output terminal of gas conditioner 5 passes through first point of steam line and pump speed control
The input terminal connection of valve 6, the output terminal of pump speed control valve 6 are connect by first point of steam line with gas control water pump 7, gas regulation
Another output terminal of device 5 is connect by second point of steam line with air control switch 13, and air control switch 13 is connect with mixing bunker.In gas
Emergency stop button 4 is installed on body adjuster 5.
The feeding system includes water tank 18, water control valve 9, water pressure gauge 11, abrasive can 12, diaphragm valve 14, mixing
Storehouse 16, sand-blasting gun 17, abrasive material speed governing valve 8 and washing control valve 10.Sebific duct, gas are connected between gas control water pump 7 and water tank 18
The output terminal of control water pump 7 is connect by sebific duct with the input terminal of water control valve 9, and the output terminal of water control valve 9 passes through sebific duct
It is connect with water pressure gauge 11, water pressure gauge 11 is connect by sebific duct with the input terminal of abrasive can 12, and the output terminal of abrasive can 12 passes through glue
Pipe is connect with diaphragm valve 14, and diaphragm valve 14 is connect by sebific duct with mixing bunker 16, and mixing bunker 16 is opened by high-pressure rubber pipe and spray gun
16 connections are closed, Switch of spray pistol 16 is connect by high-pressure rubber pipe with sand-blasting gun 17, in input terminal and the abrasive can 12 of water control valve 9
Output terminal between be parallel with abrasive material speed governing valve 8, it is in parallel between the input terminal of water control valve 9 and the output terminal of diaphragm valve 14
There is washing control valve 10.
Pneumatically the rust-removing paint-removing method of water mist rust-removing paint-removing device is：Before starting air source generator 1, add manually for abrasive can
Enter abrasive material, seal abrasive can.Start air source generator 1, the compressed air that air source generator 1 generates is by air pressure regulator 2, gas
Pressure table 3 enters gas conditioner 5, and the compressed air in gas conditioner 5 enters gas control water pump through pump speed control valve 6 all the way
7, another way compressed air is entered in mixing bunker 15.By comperssed air starting gas control water pump 7, gas control water pump 7 makes water tank 18
In water enter abrasive can 12 through water control valve 9 and water pressure gauge 10, pass through pump speed control valve 6 and gas control water pump 7 controlled to aspirate water
Amount.Mortar in abrasive can 12 is entered under the action of diaphragm valve 14 in mixing bunker 15, the mortar through diaphragm valve 14 with it is another
The compressed air that road enters is mixed in the mixing bunker 15, and mortar is projected by compressed air from sand-blasting gun 17 through high-pressure rubber pipe.
Air pressure regulator 2 can control the pressure of compressed air in main steam line, and be shown on air gauge 3.Water control
Valve 9 processed shows for adjusting the water and hydraulic pressure that enter in abrasive can 12 on water pressure gauge 11.By adjusting abrasive material speed governing
Valve 8 adjusts the flow velocity of mortar using water jet.After the completion of operation, entered in mixing bunker 15 by the cut-out of air control switch 13
Compressed air, connect washing control valve 10, water jet is made to clean mixing bunker 15 and sand-blasting gun 17.Switch of spray pistol 16 can
Beat opening/closing sand-blasting gun 17.Emergency stop button 4 can be in case of emergency being pressed, is cutting off air source, is stopping all devices and makees
Industry.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of pneumatic water mist rust-removing paint-removing device, including air supply system and feeding system, it is characterised in that：The gas supply system
System includes air source generator (1), air pressure regulator (2), air gauge (3), gas conditioner (5), pump speed control valve (6), gas control
Water pump (7) and air control switch (13)；The output terminal of air source generator (1) is connected to air pressure regulator (2) by main steam line
Input terminal, the output terminal of air pressure regulator (2) connect by main steam line with air gauge (3), and air gauge (3) passes through main confession
Feed channel is connect with the input terminal of gas conditioner (5), an output terminal of gas conditioner (5) by first point of steam line with
The input terminal connection of pump speed control valve (6), the output terminal of pump speed control valve (6) pass through first point of steam line and gas control water pump
(7) it connects, another output terminal of gas conditioner (5) is connect by second point of steam line with air control switch (13), and gas control is opened
(13) are closed to connect with mixing bunker；Emergency stop button (4) is installed on gas conditioner (5)；The feeding system includes
Water tank (18), water control valve (9), water pressure gauge (11), abrasive can (12), diaphragm valve (14), mixing bunker (15), sand-blasting gun
(17), abrasive material speed governing valve (8) and washing control valve (10)；Sebific duct, gas control are connected between gas control water pump (7) and water tank (18)
The output terminal of water pump (7) is connect by sebific duct with the input terminal of water control valve (9), and the output terminal of water control valve (9) passes through
Sebific duct is connect with water pressure gauge (11), and water pressure gauge (11) is connect by sebific duct with the input terminal of abrasive can (12), abrasive can (12)
Output terminal is connect by sebific duct with diaphragm valve (14), and diaphragm valve (14) is connect by sebific duct with mixing bunker (15), mixing bunker (15
) connect by high-pressure rubber pipe with Switch of spray pistol (16), Switch of spray pistol (16) is connect by high-pressure rubber pipe with sand-blasting gun (17), in water
Abrasive material speed governing valve (8) is parallel between the input terminal of control valve (9) and the output terminal of abrasive can (12), in water control valve
(9) washing control valve (10) is parallel between input terminal and the output terminal of diaphragm valve (14).
A kind of 2. pneumatic water mist rust-removing paint-removing method, it is characterised in that：Before starting air source generator (1), add manually for abrasive can
Enter abrasive material, seal abrasive can；Start air source generator (1), the compressed air that air source generator (1) generates passes through air pressure regulator
(2), air gauge (3) enters gas conditioner (5), and the compressed air in gas conditioner (5) is all the way through pump speed control valve (6)
Gas control water pump (7) is entered, another way compressed air is entered in mixing bunker (15)；Pass through comperssed air starting gas control water pump
(7), gas control water pump (7) makes the water in water tank (18) enter abrasive can (12) through water control valve (9) and water pressure gauge 10, passes through water
It pumps speed governing valve (6) and controls gas control water pump (7) water quantity sucked；Mortar in abrasive can (12) enters under the action of diaphragm valve (14)
In to mixing bunker (15), the mortar through diaphragm valve (14) is mixed with the compressed air that another way enters in mixing bunker (15), sand
Slurry is through high-pressure rubber pipe injection from sand-blasting gun (17) by compressed air；Air pressure regulator (2) can control to be compressed in main steam line
The pressure of air, and shown on air gauge (3)；Water control valve (9) enters the water in abrasive can (12) for adjusting
And hydraulic pressure, and shown on water pressure gauge (11)；By adjusting abrasive material speed governing valve (8), the flow velocity of mortar is adjusted using water jet；
After the completion of operation, the compressed air in mixing bunker (15) is entered by air control switch (13) cut-out, connects washing control valve
(10), water jet is made to clean mixing bunker (15) and sand-blasting gun (17)；Switch of spray pistol (16) can open or close sand-blasting gun
(17)；Emergency stop button (4) can be in case of emergency being pressed, is cutting off air source, is stopping all devices operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011571.6A CN105500219B (en) | 2015-12-30 | 2015-12-30 | A kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011571.6A CN105500219B (en) | 2015-12-30 | 2015-12-30 | A kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105500219A CN105500219A (en) | 2016-04-20 |
| CN105500219B true CN105500219B (en) | 2018-06-19 |
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| CN201511011571.6A Active CN105500219B (en) | 2015-12-30 | 2015-12-30 | A kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing method |
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| CN (1) | CN105500219B (en) |
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| CN108747848B (en) * | 2018-05-09 | 2024-02-06 | 中船澄西船舶修造有限公司 | Control system of double-gun water mist sand blasting machine |
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| CN110682216B (en) * | 2019-10-31 | 2024-04-16 | 太原中金天威不锈钢管股份有限公司 | Seamless stainless steel tube purging method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038425A (en) * | 1988-06-18 | 1990-01-03 | 刁卫建 | Electric composite cleaner for drawing |
| JPH09225830A (en) * | 1996-02-14 | 1997-09-02 | Nippon Avionics Co Ltd | Surface dleaning method and device |
| CN2363835Y (en) * | 1999-02-26 | 2000-02-16 | 范晴 | Metal surface cleaning machine |
| CN1748940A (en) * | 2005-09-22 | 2006-03-22 | 刘毅 | Axial sucking type dustless sand blasting gun |
| CN102166733A (en) * | 2011-01-06 | 2011-08-31 | 徐州中矿永宏科技有限公司 | Portable abrasive water jet cutting machine used in coal mine |
| CN103273428A (en) * | 2013-04-16 | 2013-09-04 | 浙江山海机械有限公司 | Portable air-water-based lossless sand-blasting environmentally-friendly cleaning machine |
| CN103447971A (en) * | 2013-09-12 | 2013-12-18 | 厦门四缘环保技术有限公司 | Sand sprayer |
-
2015
- 2015-12-30 CN CN201511011571.6A patent/CN105500219B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038425A (en) * | 1988-06-18 | 1990-01-03 | 刁卫建 | Electric composite cleaner for drawing |
| JPH09225830A (en) * | 1996-02-14 | 1997-09-02 | Nippon Avionics Co Ltd | Surface dleaning method and device |
| CN2363835Y (en) * | 1999-02-26 | 2000-02-16 | 范晴 | Metal surface cleaning machine |
| CN1748940A (en) * | 2005-09-22 | 2006-03-22 | 刘毅 | Axial sucking type dustless sand blasting gun |
| CN102166733A (en) * | 2011-01-06 | 2011-08-31 | 徐州中矿永宏科技有限公司 | Portable abrasive water jet cutting machine used in coal mine |
| CN103273428A (en) * | 2013-04-16 | 2013-09-04 | 浙江山海机械有限公司 | Portable air-water-based lossless sand-blasting environmentally-friendly cleaning machine |
| CN103447971A (en) * | 2013-09-12 | 2013-12-18 | 厦门四缘环保技术有限公司 | Sand sprayer |
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| CN105500219A (en) | 2016-04-20 |
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Address after: 510220, Guangzhou, Guangdong Province, Binjiang Road, No. 308, south side, building 26, Haizhuqu District Applicant after: COSCO Guangzhou Marine Shipping Engineering Co., Ltd. Address before: 510220, Guangzhou, Guangdong Province, Binjiang Road, No. 308, south side, building 26, Haizhuqu District Applicant before: GUANGZHOU MARITIME SHIP ENGINEERING MANAGEMENT CO., LTD. |
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