CN103567876A - High-pressure water sandblasting device for both inner surface and outer surface of steel pipe - Google Patents
High-pressure water sandblasting device for both inner surface and outer surface of steel pipe Download PDFInfo
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- CN103567876A CN103567876A CN201210260876.0A CN201210260876A CN103567876A CN 103567876 A CN103567876 A CN 103567876A CN 201210260876 A CN201210260876 A CN 201210260876A CN 103567876 A CN103567876 A CN 103567876A
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Abstract
The invention provides a high-pressure water sandblasting device for both the inner surface and the outer surface of a steel pipe. The device comprises a steel pipe rotating mechanism, a spray gun travelling mechanism, a high-pressure water mechanism, a sand circulating mechanism, a water circulating mechanism and a spray gun mechanism. The steel pipe is erected on the steel pipe rotating mechanism; the spray gun mechanism is mounted on the spray gun travelling mechanism; the high-pressure water mechanism is connected with the spray gun mechanism through a high-pressure water pipeline; the sand circulating mechanism is connected with the spray gun mechanism through a sand supply pipeline; and the water inlet end of the water circulating mechanism is connected with the sand circulating mechanism through a water inlet pipeline, and the water outlet end of the water circulating mechanism is connected with the high-pressure water mechanism through a water outlet pipeline. According to the invention, high-pressure water flow drives sand to move at a high speed, and oxide scales, paint films, oil stains, carbides and deposits on the surface of the steel pipe can be lashed, peeled and stripped via kinetic energy of water and sand and falls off from the surface of the steel pipe, thereby realizing surface cleaning; furthermore, roughness of the surfaces of the steel pipe is controlled by regulating water pressure, the rotation speed of the steel pipe, the travelling speed of the spray gun and the particle size of sand; cleaning efficiency of the high-pressure water sandblasting device is at least two times that of a compressed air sand blasting device.
Description
Technical field
The present invention relates to surface processing equipment, relate in particular to the inside and outside surface high pressure water of a kind of steel pipe abrasive blast equipment.
Background technology
Before steel pipe application, all to carry out necessary surface cleaning, be used for improving the adhesive force of coating, prevent coating shedding, extend the protection cycle, thereby extend the service life of steel pipe.
The steel tube surface Removal Technology and the equipment that use at present mainly comprise following several:
1, compressed air sandblast technology and equipment, efficiency is higher, can obtain the surface roughness of requirement, but power consumption is large, and elimination of dust contamination investment is large, administers bad meeting and causes serious air pollution, and big and medium-sized cities are being limited to use.
2, soak cleaning technology and equipment, efficiency is high, but cleaning liquid pollutes rear quality, can not be guaranteed, there is no surface roughness, sewage disposal system is complicated, and investment cost is large, administer meeting out of control severe contamination water source, along with the raising of environmental requirement, use is few at present.
3, water under high pressure Removal Technology and equipment, water circulation is used, and there is no environmental pollution, but cleaning efficiency is low, there is no surface roughness, and equipment operating cost is high.
4, high pressure liquid sandblast equipment, has overcome the shortcoming of above-mentioned various removing surfaces, has efficiency high, pollution-free, the surface roughness that can obtain wanting, and equipment investment is little, the feature that operating cost is low.。
Summary of the invention
Object of the present invention, exactly in order to provide the inside and outside surface high pressure water of a kind of steel pipe abrasive blast equipment.
In order to achieve the above object, the present invention has adopted following technical scheme: the inside and outside surface high pressure water of a kind of steel pipe abrasive blast equipment, comprises steel pipe rotary mechanism, spray gun walking mechanism, water under high pressure mechanism, sand cycling mechanism, water circulation mechanism and spray gun mechanism; Described steel pipe frame is located in steel pipe rotary mechanism, spray gun mechanism is arranged in spray gun walking mechanism, water under high pressure mechanism is connected with spray gun mechanism by water under high pressure pipeline, sand cycling mechanism is by being connected with spray gun mechanism for sandpipe road, the water inlet end of water circulation mechanism is connected with sand cycling mechanism by inlet pipeline, and water side is connected with water under high pressure mechanism by outlet pipeline.
Described steel pipe rotary mechanism comprises variable-frequency motor, reductor and rotation running roller, and reductor is connected with variable-frequency motor transmission, and rotation running roller is connected with speed reducer drive, and described steel pipe frame is located on rotation running roller.
Described spray gun walking mechanism comprises variable-frequency motor, walking dolly and track, and walking dolly sets up in orbit and is connected with variable-frequency motor transmission, and variable-frequency motor drives walking dolly to do in orbit straight reciprocating motion; Described spray gun mechanism is arranged on walking dolly.
Described water under high pressure mechanism comprises frequency conversion high-pressure hydraulic pump and water under high pressure pipeline, and the water inlet of frequency conversion high-pressure hydraulic pump connects water circulation mechanism, and delivery port connects water under high pressure pipeline, and water under high pressure pipeline connects spray gun mechanism.
Described sand cycling mechanism comprise receive sand launder, carry sand device, sand streaming tank and for sandpipe, receive the sand water that sand launder is arranged on the place ahead collection ejection of spray gun mechanism, one end of carrying sand device is connected with the bottom of receiving sand launder, the other end is connected with sand streaming tank, and sand streaming tank is by being connected with spray gun mechanism for sandpipe.
Described water circulation mechanism comprises settling tank, water circulating pump, filter and elevated tank, the import of settling tank is connected with sand cycling mechanism, and the import of water circulating pump connects settling tank, and outlet connects filter, the outlet of filter connects elevated tank, and the outlet of elevated tank connects water under high pressure mechanism.
Described spray gun mechanism comprises blast nozzle, high-pressure water pipe, quicksand pipe and explosion stack, explosion stack is arranged in spray gun walking mechanism, high-pressure water pipe and confession sandpipe are arranged in explosion stack side by side, blast nozzle is arranged on high-pressure water pipe and supplies the port of export of sandpipe, the entrance point of high-pressure water pipe connects water under high pressure pipeline, and the entrance point of quicksand pipe connects for sandpipe road.
The inside and outside surface high pressure water of steel pipe of the present invention abrasive blast equipment has little, the economical operation of investment, efficiency is high, labor strength is low, low-carbon environment-friendly, surface cleanness are good, the regulatable feature of surface roughness; The present invention can clear up diameter range Φ 15～Φ 2500mm, the steel pipe of length range 0.25m～15m; Surface after present device is processed, carry out application after adhesive force high, coating life is long, has good barrier propterty, product quality is high.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the Structure and Process schematic diagram of the inside and outside surface high pressure water of steel pipe of the present invention abrasive blast equipment.
The specific embodiment
Referring to Fig. 1, Fig. 2, the inside and outside surface high pressure water of steel pipe of the present invention abrasive blast equipment, comprises steel pipe rotary mechanism 1, spray gun walking mechanism 2, water under high pressure mechanism 3, sand cycling mechanism 4, water circulation mechanism 5, spray gun mechanism 6 and steel pipe feed mechanism 7.The steel pipe 8 of being supplied with by steel pipe feed mechanism 7 is erected in steel pipe rotary mechanism 1, spray gun mechanism 6 is arranged in spray gun walking mechanism 2, water under high pressure mechanism 3 is connected with spray gun mechanism 6 by water under high pressure pipeline 32, sand cycling mechanism 4 is by being connected with spray gun mechanism 6 for sandpipe road 44, the water inlet end of water circulation mechanism 5 is connected with sand cycling mechanism 4 by inlet pipeline 55, and water side is connected by outlet pipeline 56Yu water under high pressure mechanism 3.
Cooperation is referring to Fig. 2, steel pipe rotary mechanism 1 in the present invention comprises variable-frequency motor 11, reductor (out not shown) and rotation running roller 12, reductor is connected with variable-frequency motor 11 transmissions, and rotation running roller 12 is connected with speed reducer drive, and described steel pipe 8 is erected on rotation running roller 12.The rotary speed of steel pipe is regulated by variable-frequency motor, can be within the scope of 10～120r/min step-less adjustment.
Cooperation is referring to Fig. 2, spray gun walking mechanism 2 in the present invention comprises variable-frequency motor 21, walking dolly 22 and track 23, walking dolly 22 is erected on track 23 and with variable-frequency motor 21 transmissions and is connected, and variable-frequency motor drives walking dolly to do in orbit straight reciprocating motion; Movement velocity regulates with variable-frequency motor, and scanning frequency regulates according to the complexity of caliber and cleaning, its speed can be within the scope of 0.5～10m/min step-less adjustment.The range ability of dolly, can be adjusted with collision block and travel switch location according to pipe range within the scope of 1～15m.Whole spray gun mechanism 6 is fixed on walking dolly, to managing inside and outside wall, carries out blasting treatment simultaneously, also can only spray inner surface or only spray outer surface.
Cooperation is referring to Fig. 2, and the water under high pressure mechanism 3 in the present invention comprises frequency conversion high-pressure hydraulic pump 31 and water under high pressure pipeline 32, and the water inlet of frequency conversion high-pressure hydraulic pump 31 connects water circulation mechanism 5, and delivery port connects water under high pressure pipeline 32, and water under high pressure pipeline 32 connects spray gun mechanism 6.With frequency conversion high-pressure hydraulic pump regulation output pressure, its pressure can be within the scope of 20～70Mpa step-less adjustment, control valve regulates single rifle head flow in the scope of 15～60L/min.
Cooperation is referring to Fig. 2, sand cycling mechanism 4 in the present invention comprise receive sand launder 41, carry sand device 42, sand streaming tank 43 and for sandpipe 44, receive the sand water that sand launder 41 is arranged on the place ahead collection ejection of spray gun mechanism 6, one end of carrying sand device 42 is connected with the bottom of receiving sand launder 41, the other end is connected with sand streaming tank 43, and sand streaming tank 43 is by being connected with spray gun mechanism 6 for sandpipe 44.Receiving sand launder is collected together the sand of ejection, iron scale, impurity are removed with screen pack and magnetic roller, fine sand overflows to water circulation mechanism, at the bottom of the sand can be recycled sinks to and receives sand launder, by carrying sand device, mention in sand streaming tank, water suspends sand, then by delivering to spray gun mechanism for sandpipe, can supply sand to the blast nozzle of 20m distance.Sand can be river sand, quartz sand, brown corundum.
Cooperation is referring to Fig. 2, water circulation mechanism 5 in the present invention comprises settling tank 51, water circulating pump 52, filter 53 and elevated tank 54, the import of settling tank 51 is connected with sand cycling mechanism 4, the import of water circulating pump 52 connects settling tank 51, outlet connects filter 53, the outlet of filter 53 connects elevated tank 54, and the outlet of elevated tank 54 connects water under high pressure mechanism 3.Thicker silt is removed at settling tank, and thinner silt and dirt leach at filter, and filtering accuracy is generally 5 μ m.Water circulating pump is sent water to filter from settling tank and then by pipeline and valve, is delivered to elevated tank, uses valve regulated quantity of circulating water.
Cooperation is referring to Fig. 2, spray gun mechanism 6 in the present invention comprises blast nozzle 61, high-pressure water pipe 62, quicksand pipe 63 and explosion stack 64, explosion stack 64 is arranged in spray gun walking mechanism 2, high-pressure water pipe 62 and confession sandpipe 63 are arranged in explosion stack 61 side by side, blast nozzle 61 is arranged on high-pressure water pipe and supplies the port of export of sandpipe, the entrance point of high-pressure water pipe connects water under high pressure pipeline 32, and the entrance point of quicksand pipe connects for sandpipe road 44.Water in high-pressure water pipe, sprays by the water spray aperture in blast nozzle, produces its venturi action during ejection, at sand inlet, forms siphon negative pressure, and the sand that fluidisation is good is delivered to blast nozzle by quicksand pipe.In order to prevent that high-pressure water pipe explosion from causing personal injury, quicksand pipe and high-pressure water pipe are contained in a thicker explosion stack.
Cooperation is referring to Fig. 2, steel pipe feed mechanism 7 in the present invention turns over pipe device 72, lower pipe by pallet 71, upper pipe and turns over pipe device 73 and form, the steel pipe of depositing on pallet turns over pipe device 72 by upper pipe and serves steel pipe rotary mechanism 1, and the steel pipe of having cleared up turns over pipe device 73 by lower pipe and delivers to cleaning finished product pallet.According to the quantity of sandblast mechanism, turn over pipe device and can roll up simultaneously or turn down one to six roots of sensation steel pipe.
The present invention adopts with High-Pressure Water, drive sand high-speed motion, produce higher kinetic energy, utilize kinetic energy impact, backing-off cutting, the sled of water and sand to shell oxide skin, coat of paint, greasy dirt, carbide, the attachment on body surface, it is come off from body surface, reach surface cleaning, its efficiency is more than the twice of compressed air sandblast; Regulate hydraulic pressure, the rotary speed of pipe, the particle diameter of the speed of travel of rifle, sand carrys out the roughness of control valve surface; After sand mixes with water, be fed to jet blower and accelerate ejection, the ash effect of flutterring of damp sand and water makes sandblast process free from dust, and Sha Heshui recycles environmentally safe; The operation of steel pipe, sand, water is all completed by mechanical mechanism, and labor strength is low.
Claims (7)
1. the inside and outside surface high pressure water of a steel pipe abrasive blast equipment, is characterized in that: comprise steel pipe rotary mechanism, spray gun walking mechanism, water under high pressure mechanism, sand cycling mechanism, water circulation mechanism and spray gun mechanism; Described steel pipe frame is located in steel pipe rotary mechanism, spray gun mechanism is arranged in spray gun walking mechanism, water under high pressure mechanism is connected with spray gun mechanism by water under high pressure pipeline, sand cycling mechanism is by being connected with spray gun mechanism for sandpipe road, the water inlet end of water circulation mechanism is connected with sand cycling mechanism by inlet pipeline, and water side is connected with water under high pressure mechanism by outlet pipeline.
2. the inside and outside surface high pressure water of steel pipe according to claim 1 abrasive blast equipment, it is characterized in that: described steel pipe rotary mechanism comprises variable-frequency motor, reductor and rotation running roller, reductor is connected with variable-frequency motor transmission, rotation running roller is connected with speed reducer drive, and described steel pipe frame is located on rotation running roller.
3. the inside and outside surface high pressure water of steel pipe according to claim 1 abrasive blast equipment, it is characterized in that: described spray gun walking mechanism comprises variable-frequency motor, walking dolly and track, walking dolly sets up in orbit and is connected with variable-frequency motor transmission, and variable-frequency motor drives walking dolly to do in orbit straight reciprocating motion; Described spray gun mechanism is arranged on walking dolly.
4. the inside and outside surface high pressure water of steel pipe according to claim 1 abrasive blast equipment, it is characterized in that: described water under high pressure mechanism comprises frequency conversion high-pressure hydraulic pump and water under high pressure pipeline, the water inlet of frequency conversion high-pressure hydraulic pump connects water circulation mechanism, delivery port connects water under high pressure pipeline, and water under high pressure pipeline connects spray gun mechanism.
5. the inside and outside surface high pressure water of steel pipe according to claim 1 abrasive blast equipment, it is characterized in that: described sand cycling mechanism comprise receive sand launder, carry sand device, sand streaming tank and for sandpipe, receive the sand water that sand launder is arranged on the place ahead collection ejection of spray gun mechanism, one end of carrying sand device is connected with the bottom of receiving sand launder, the other end is connected with sand streaming tank, and sand streaming tank is by being connected with spray gun mechanism for sandpipe.
6. the inside and outside surface high pressure water of steel pipe according to claim 1 abrasive blast equipment, it is characterized in that: described water circulation mechanism comprises settling tank, water circulating pump, filter and elevated tank, the import of settling tank is connected with sand cycling mechanism, the import of water circulating pump connects settling tank, outlet connects filter, the outlet of filter connects elevated tank, and the outlet of elevated tank connects water under high pressure mechanism.
7. the inside and outside surface high pressure water of steel pipe according to claim 1 abrasive blast equipment, it is characterized in that: described spray gun mechanism comprises blast nozzle, high-pressure water pipe, quicksand pipe and explosion stack, explosion stack is arranged in spray gun walking mechanism, high-pressure water pipe and confession sandpipe are arranged in explosion stack side by side, blast nozzle is arranged on high-pressure water pipe and supplies the port of export of sandpipe, the entrance point of high-pressure water pipe connects water under high pressure pipeline, and the entrance point of quicksand pipe connects for sandpipe road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210260876.0A CN103567876A (en) | 2012-07-25 | 2012-07-25 | High-pressure water sandblasting device for both inner surface and outer surface of steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210260876.0A CN103567876A (en) | 2012-07-25 | 2012-07-25 | High-pressure water sandblasting device for both inner surface and outer surface of steel pipe |
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| CN103567876A true CN103567876A (en) | 2014-02-12 |
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| CN201210260876.0A Pending CN103567876A (en) | 2012-07-25 | 2012-07-25 | High-pressure water sandblasting device for both inner surface and outer surface of steel pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984659A (en) * | 2017-05-24 | 2017-07-28 | 山东汇通工业制造有限公司 | A kind of equipment for seamless steel pipe internal cooling |
| CN110181412A (en) * | 2019-06-28 | 2019-08-30 | 蓝色海洋（天津）工程技术有限公司 | A kind of shell dress formula environment-friendly type superficial treatment system |
| CN112936111A (en) * | 2021-02-21 | 2021-06-11 | 余杰 | Rusty pipeline sand blasting device with recovery function and double-sided sand blasting function |
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| US1774703A (en) * | 1927-04-06 | 1930-09-02 | Charles A Dreisbach | Sand-blast device |
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| JPH02262962A (en) * | 1989-03-31 | 1990-10-25 | Shibaura Eng Works Co Ltd | Cylindrical inner face grinding device |
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| CN101633154A (en) * | 2009-08-05 | 2010-01-27 | 长沙矿冶研究院 | Online high-pressure water jet sand blasting surface cleaning system |
| CN202271281U (en) * | 2011-10-11 | 2012-06-13 | 浙江中达特钢股份有限公司 | Sand blasting device for outer surface of steel pipe |
| CN202763689U (en) * | 2012-07-25 | 2013-03-06 | 上海图博可特石油管道涂层有限公司 | High-pressure water sand blasting equipment for both inner surface and outer surface of steel pipe |
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| US1774703A (en) * | 1927-04-06 | 1930-09-02 | Charles A Dreisbach | Sand-blast device |
| US4337632A (en) * | 1980-06-12 | 1982-07-06 | Rockwell International Corporation | Leaf spring stress peening method and apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984659A (en) * | 2017-05-24 | 2017-07-28 | 山东汇通工业制造有限公司 | A kind of equipment for seamless steel pipe internal cooling |
| CN110181412A (en) * | 2019-06-28 | 2019-08-30 | 蓝色海洋（天津）工程技术有限公司 | A kind of shell dress formula environment-friendly type superficial treatment system |
| CN110181412B (en) * | 2019-06-28 | 2024-06-04 | 蓝色海洋（天津）工程技术有限公司 | Shell-mounted environment-friendly surface treatment system |
| CN112936111A (en) * | 2021-02-21 | 2021-06-11 | 余杰 | Rusty pipeline sand blasting device with recovery function and double-sided sand blasting function |
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Application publication date: 20140212 |