CN101036977B - Electric ballasting rust remover on the inner wall of pipeline - Google Patents

Electric ballasting rust remover on the inner wall of pipeline Download PDF

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Publication number
CN101036977B
CN101036977B CN2007101078499A CN200710107849A CN101036977B CN 101036977 B CN101036977 B CN 101036977B CN 2007101078499 A CN2007101078499 A CN 2007101078499A CN 200710107849 A CN200710107849 A CN 200710107849A CN 101036977 B CN101036977 B CN 101036977B
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CN
China
Prior art keywords
sand
system
ball blast
car rack
sealing
Prior art date
Application number
CN2007101078499A
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Chinese (zh)
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CN101036977A (en
Inventor
张景远
张国祯
李群智
刘霞
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张景远
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Application filed by 张景远 filed Critical 张景远
Priority to CN2007101078499A priority Critical patent/CN101036977B/en
Publication of CN101036977A publication Critical patent/CN101036977A/en
Application granted granted Critical
Publication of CN101036977B publication Critical patent/CN101036977B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00Abrasive blasting machines or devices; Plants
    • B24C3/32Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
    • B24C3/325Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08Methods 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
    • B24C1/086Descaling; Removing coating films

Abstract

The invention discloses an electric impeller blasting deruster of pipe internal wall, using over all structure of electromechanical integration operating dolly type, which includes five portions of a walking system, a sealing system, an impeller blasting system, a sand sweeping system and a dedusting system, and is a special machine for automatic derusting of self sealing, self sand sweeping and self supplying sand steel tube internal wall. Comparing to prior art at home and abroad, main advantages of the deruster are that it changes the history of single establishing the derusting line for former impeller blasting deruster, and the invention can complete on-line derusting operation mating with various anti-corrosive operations, also can use alone for derusting on-scene construction, capable of realizing cycle use by adding sand at one time, with good effect and quick speed of derusting, good sealing and without environmental pollution, and the machine per se has compact structure, convenient and flexible conveying and operating, and low cost, capable of greatly reducing operation cost of derustering for steel pipe internal wall.

Description

A kind of inner-walls of duct electric ballasting rust remover

Technical field

The present invention relates to technical finesse field, metal surface, be particularly related to a kind of inner-walls of duct electric ballasting rust remover, it mainly is the surface treatment operation that the inner surface of the pipeline-shaped object of the inner surface to pipeline-shaped object, especially rigid material is removed attachments such as corrosion, greasy dirt and earth.

Background technology

Pipeline such as steel pipe, cast iron pipe is used very extensive in the technical fields such as oil, chemical industry, plumbing, power station, papermaking, leather, ventilation and withdrawing corrosive gas chimney of China, but steel pipe, cast iron pipe are the good conductor of electricity, in storage, use, can produce the local cell reaction because of chemistry, electrochemical effect, very easily get rusty in the surface, pumped (conveying) medium is tended to produce pollution, thereby, often need carry out special antirust, processing of rust removing to its surface; In the past the steel conduit inwall is eliminated rust operation the time, the ballasting rust remover of use needs to set up separately the rust cleaning production line, equipment needs independent for the sand device, return a large amount of annexes such as sand device, can't use separately, the rust cleaning efficiency of operation is on the low side, and this body structure is huge, carrying and operation are all very loaded down with trivial details, cost an arm and a leg, for a long time, in steel conduit being carried out inwall rust cleaning operation, wasted great amount of manpower, material resources and financial resources.

Therefore, need a kind of compact equipment, reasonable, install simple, carrying and flexible operation, the operation pipe is big through scope, and rust cleaning speed is effective soon, the good seal non-environmental-pollution, simple for sand, the disposable sand that supplies can recycle and cheap automation equipment.

Summary of the invention

The invention provides a kind of inner-walls of duct electric ballasting rust remover, can changing in the past, ballasting rust remover needs the history of foundation rust cleaning line separately, it can cooperate with various corrosion prevention operations finishes online rust cleaning operation, also can use separately, is used for the site operation rust cleaning, can realize that the disposable sand that adds recycles, it is effective soon to remove embroidery speed, good seal non-environmental-pollution, and the advantages of compact and light structure of facility own, carrying and flexible and convenient operation, cost of manufacture is low.

For solving the problems of the technologies described above, the invention provides a kind of inner-walls of duct electric ballasting rust remover, comprise running gear, sealing system, ball blast system, return sand system and dust pelletizing system.

Described inner-walls of duct electric ballasting rust remover may further include purging system, and described purging system can comprise blowing passage steel plate; Described running gear may further include car rack, and an end of described blowing passage steel plate can be soldered to described car rack front end bottom side, becomes an inclination angle with level.

Described running gear can comprise car rack, traction guide rod, dolly universal wheel and carrying suspension ring; Sealing system can comprise cover wire sealing ring brush, steel wire of internal layer sealing ring brush, dolly sealing offset plate, return little steel disc of sand and shot blast room outer casing; The ball blast system can comprise ball blast power motor, ramming head, ball blast casing, ball blast casing backplate and ball blast casing fixation steel plate; Go back to the sand system and can comprise that rotatory sealing is returned the sand roller, returns sand roller chain, returned sand roller power motor, ramming head returns sand screw feeder, screw feeder power motor and ramming head and returns the sand steel plate; Dust pelletizing system can comprise shot blast room dedusting fan, dedust air duct, dedust power motor and dedusting fan sand stop cover.

Each system of described inner-walls of duct electric ballasting rust remover can directly or indirectly be installed on the car rack of running gear, constitutes self sealss in the complete pipeline, returns removing automatically of sand, confession sand certainly and embroider operating trolley; Wherein, the traction guide rod in the running gear can be positioned at the front end of car rack, and the dolly universal wheel can be installed on the inclined-plane, both sides of car rack middle and lower part, and the carrying suspension ring can be welded on the ball blast casing.

The car rack of described running gear may further include curved plate, has two groups respectively in the front-end and back-end of car rack; The cover wire sealing ring brush and the steel wire of internal layer sealing ring brush of described sealing system can respectively be welded with one group on the curved plate top at car rack two ends, dolly sealing offset plate can respectively be welded with one group equally, be positioned at the oblique upper of the car rack of running gear, two ends are welded to respectively on the curved plate at car rack two ends.

The ball blast power motor of described ball blast system can be positioned at the car rack front end of running gear, the rear end of traction guide rod, the ball blast casing can be positioned at the car rack middle part, the ball blast box house is provided with ball blast casing backplate and ramming head successively, ball blast casing outside weldings ball blast casing fixation steel plate, the other end of ball blast casing fixation steel plate are welded on the adhesive tape fixation steel plate of dolly sealing offset plate.

The sand roller is returned in the rotatory sealing of described time sand system can be provided with two groups, be installed in respectively between car rack both sides and the shot blast room outer casing, return sand roller power motor and return sand roller chain all at the front end of the car rack of running gear, the oblique upper of ball blast power motor, returning sand roller power motor returns the sand roller with rotatory sealing and is connected by returning sand roller chain, ramming head returns the sand steel plate has two groups respectively in the front and rear part of car rack, two ends are welded to the ramming head casing outside respectively, the curved plate bottom side of car rack, ramming head returns the sand screw feeder below car rack inside and ramming head casing, and the screw feeder power motor is installed in bottom, car rack rear end.

The shot blast room dedusting fan of described dust pelletizing system can be positioned at the rear end of car rack, the top of screw feeder power motor, dedust air duct is installed in shot blast room dedusting fan right side, the dedust power motor is positioned on the shot blast room dedusting fan outboard end, and the dedusting fan sand stop cover is positioned at the curved plate below of shot blast room dedusting fan medial end, car rack; One end of the blowing passage steel plate of purging system is welded to car rack front end bottom side, becomes an inclination angle with level.

Dolly universal wheel in the described running gear may further include holddown spring, set bolt and universal wheel, holddown spring makes each universal wheel press simultaneously on inner-walls of duct and can roll flexibly, simultaneously sealing system can be pressed on inner-walls of duct all the time, can regulate the operating radius of operating trolley by regulating holddown spring and set bolt, adapt to the steel conduit of different inner diameters; In the cover wire sealing ring brush of described sealing system and steel wire of internal layer sealing ring are brushed and are, the wire brush of outer two-layer circular shape, the centre has the circular arc of suitable space and cover wire sealing ring brush to be greater than the circular arc of steel wire of internal layer sealing ring brush, dolly sealing offset plate and steel wire of internal layer sealing ring are brushed into the end position that brush near the steel wire of internal layer sealing ring at car rack two ends 90 ° and end, returning the little steel disc of sand is the little steel disc of arc, one end is near the inboard of cover wire sealing ring brush, and an end is between dolly sealing offset plate end and steel wire of internal layer sealing ring brush end.

The ball blast casing backplate of described ball blast system can be for being close to four block plates of four vertical planes of ball blast box inside; The blowing passage steel plate of described purging system can be the interior steel plate that the blowing passage is arranged; The sand roller is returned in the rotatory sealing of described time sand system can be round-shaped wire brush; Described ramming head returns the sand steel plate can be two groups of curved plates that tilt; Ramming head returns the screw feeder blade that can be provided with positive and negative two kinds of directions on the axle that stirs of sand screw feeder; The dedusting fan sand stop cover of described dust pelletizing system can be for by connecing one group of parallel and have the inclined steel plate in space to form each other cover body at a face down bonding again after the welding of three block plates of the left and right sides and top.

The present invention compares with prior-art devices, its outstanding advantage is: the automaticity height, changed the history that ballasting rust remover in the past needs to set up separately the rust cleaning line, and it can cooperate with various corrosion prevention operations finish online rust cleaning operation, also can use separately, be used for the site operation rust cleaning; Facility itself have self sealss, return sand, functions such as confession sand etc. certainly, can recycle for the simple and disposable sand that adds of sand, the good seal non-environmental-pollution, it is effective soon to remove embroidery speed, and the operation pipe is big through scope, and the compact conformation of facility own, install simple, carrying and flexible and convenient operation, cost of manufacture is low, reduces the operating cost of steel conduit inwall rust cleaning greatly.

Description of drawings

Fig. 1 is the overall structure principle front perspective view of the embodiment of the invention.

Fig. 2 is the overall structure principle rear perspective view of the embodiment of the invention.

Fig. 3 is the overall structure stereogram of the embodiment of the invention.

Fig. 4 returns sand screw feeder front view for the ramming head of the embodiment of the invention.

Fig. 5 is the dolly universal wheel stereogram of the embodiment of the invention.

Fig. 6 is the dolly sealing offset plate stereogram of the embodiment of the invention.

The specific embodiment

As shown in Figure 1 and Figure 2, be respectively the overall structure principle front perspective view and the rear perspective view of the embodiment of the invention.Wherein, the running gear of present embodiment inner-walls of duct electric ballasting rust remover mainly comprises traction guide rod 1, dolly universal wheel 21, car rack 22; Sealing system mainly comprises cover wire sealing ring brush 4, steel wire of internal layer sealing ring brush 5, time little steel disc 14 of sand, dolly sealing offset plate 17, shot blast room outer casing 19; The ball blast system mainly comprises ball blast power motor 2, ball blast casing fixation steel plate 6, ball blast casing 7, ball blast casing backplate 8, ramming head 9; Go back to the sand system and comprise back that mainly sand roller power motor 3, ramming head return sand steel plate 10, rotatory sealing and return sand roller 18, time sand roller chain 20, screw feeder power motor 24, ramming head and return sand screw feeder 40; Dust pelletizing system mainly comprises dedust air duct 11, dedust power motor 12, shot blast room dedusting fan 13, dedusting fan sand stop cover 16.The also further purging system of inner-walls of duct electric ballasting rust remover in the present embodiment, purging system mainly comprises blowing passage steel plate 23.

In the present embodiment, the inner-walls of duct electric ballasting rust remover also has curved plate 15 and carrying suspension ring 39.

Sealing system, ball blast system, go back to the sand system and dust pelletizing system all directly or indirectly is installed on the car rack 22 of running gear, constitutes self sealss in the complete pipeline, return sand, confession sand certainly remove the embroidery operating trolley automatically; Traction guide rod 1 in the running gear is positioned at the front end of car rack 22, and dolly universal wheel 21 is installed on the inclined-plane, both sides of car rack 22 middle and lower parts; The cover wire sealing ring of sealing system brush 4 and steel wire of internal layer sealing ring brush 5 respectively are welded with one group on curved plate 15 tops at car rack 22 two ends, dolly sealing offset plate 17 also has two groups, oblique upper at car rack 22, two ends are welded to respectively on the curved plate 15 at car rack 22 two ends, return the little steel disc 14 of sand and have four, be welded on the outside, end of dolly sealing offset plate 17 respectively, the inboard of cover wire sealing ring brush 4, shot blast room outer casing 19 respectively is welded with one group in the both sides of car rack 22, and the end is near the end of the cover wire sealing ring brush 4 at car rack 22 two ends; The ball blast power motor 2 of ball blast system is installed in the back of car rack 22 front ends, traction guide rod 1, ball blast casing 7 is at car rack 22 middle parts, ball blast casing 22 inside have ball blast casing backplate 8 and ramming head 9 successively, ball blast casing 7 outside weldings ball blast casing fixation steel plates 6, the other end of ball blast casing fixation steel plate 6 are welded on the adhesive tape fixation steel plate 29 of dolly sealing offset plate 17; Sand roller 18 is returned in the rotatory sealing of going back to the sand system has two groups to be installed in respectively between car rack 22 both sides and the shot blast room outer casing 19, return sand roller power motor 3 and return sand roller chain 20 all at the front end of car rack 22, the oblique upper of ball blast power motor 2, returning sand roller power motor 3 returns sand roller 18 with rotatory sealing and is connected by returning sand roller chain 20, ramming head returns sand steel plate 10 has two groups respectively in the front and rear part of car rack 22, two ends are welded to ramming head casing 7 outsides respectively, curved plate 15 bottom sides of car rack 22, ramming head returns sand screw feeder 40 in car rack 22 inside, ramming head casing 7 belows, screw feeder power motor 24 are installed in bottom, car rack 22 rear ends; The shot blast room dedusting fan 13 of dust pelletizing system is positioned at the rear end of car rack 22, the top of screw feeder power motor, dedust air duct 11 is installed in shot blast room dedusting fan 13 right sides, dedust power motor 12 is installed in shot blast room dedusting fan 13 ends, and dedusting fan sand stop cover 16 is installed in curved plate 15 belows of shot blast room dedusting fan 13 medial ends, car rack; One end of the blowing passage steel plate 23 of purging system is welded to car rack 22 front end bottom sides, becomes an oblique angle with level.

As shown in Figure 3, be the overall structure stereogram of the embodiment of the invention.In the present embodiment, the inner-walls of duct electric ballasting rust remover also has traction steel pipe 25, external dust cleaning mechanism 34, outside steel sand recovering mechanism 35, steel pipe transmission device 36, guiding device 37, guiding steel pipe 38 on the whole.

Present embodiment inner-walls of duct electric ballasting rust remover when pipeline eliminates rust, at first will draw steel pipe 25 and traction guide rod 1 externally the effect of power drive down to remove and embroider machine operation dolly integral body and do moving of horizontal direction; Steel pipe 31 can move in the rotation of original place rotation or horizontal direction under the drive of steel pipe transmission device 36; When steel pipe 31 when rotating in the original place under the drive of steel pipe transmission device 36, enter steel pipe 31 except that embroidering the guiding steel pipe 38 of machine operation dolly from guiding device 37, move to the other end of steel pipe 31 along horizontal direction, enter the guiding steel pipe of the other end, be moved horizontally in the other direction the guiding steel pipe of initial end again, by moving back and forth for several times to steel pipe 31 operation that eliminates rust; When the rotation of making horizontal direction when steel pipe 31 under the drive of steel pipe transmission device 37 moves back and forth, guiding steel pipe and steel pipe are simultaneously, rotation is moved in the same way, removing embroidery machine operation dolly can move horizontally as you were or in the other direction, operation process is identical with first kind of process, thereby finishes the rust cleaning operation to steel pipe 31.

Traction steel pipe 25 is that the cross section is square, circular or polygonal hollow structure steel conduit, and an end is connected with traction guide rod 1, and the other end connects external impetus, mainly plays auxiliary traction rust cleaning operating trolley and moves; Because centre be empty,, do not protect them fragile and outward appearance is neatly not in disorder so the tube connector of the power line of all power motors of rust cleaning operating trolley and blowing passage steel plate 23 and its wind regime can also be accommodated in middlely.

Guiding steel pipe 38 is that the cross section is circular hollow steel tube, is placed in guiding device 37 inside, when the rust cleaning operating trolley is not worked, can park the rust cleaning operating trolley in the guiding steel pipe 38; During the work of rust cleaning operating trolley, guiding steel pipe 38 plays a transition role, and operation completely also can be eliminated rust in the end that makes the rust cleaning operating trolley can enter steel pipe 31 and assurance steel pipe 31 stably.

In cover wire sealing ring brush 4 and steel wire of internal layer sealing ring brush 5 be, the wire brush of outer two-layer circular shape, the centre has the circular arc of suitable space and cover wire sealing ring brush 4 to be greater than the circular arc of steel wire of internal layer sealing ring brush 5, dolly sealing offset plate 17 is brushed 5 end position near the steel wire of internal layer sealing ring at car rack 22 two ends respectively with 5 one-tenth 90 ° on steel wire of internal layer sealing ring brush and end, returning the little steel disc 14 of sand is the little steel disc of arc, one end is near example in the cover wire sealing ring brush 4, one end is brushed between 5 the end with the steel wire of internal layer sealing ring in the end of dolly sealing offset plate 17, in feasible the falling into, a small amount of steel sand between the cover wire sealing ring brush can in time be back in car rack 22 chambeies, thereby makes dolly have the three-dimensional self sealss system of a cover.

Ball blast casing backplate 8 is four block plates of being close to inboard four vertical planes of ball blast casing 7 respectively, avoids the impact of high speed steel sand and damages with protection ball blast casing 7, and ball blast casing backplate 8 uses a period of times and can change after damaging.

Rotatory sealing is returned sand roller 18 and is round-shaped wire brush, can reach back sideway swivel in car rack 22 under the drive of sand roller chain 20 returning sand roller power motor 3, make to fall into a small amount of steel sand that dolly seals outside the offset plate 17, the cover wire sealing ring at car rack 22 two ends is brushed 4 inboards and be back in car rack 22 chambeies; It is two groups of curved plates that tilt that ramming head returns sand steel plate 10, and the steel sand between the dolly sealing offset plate 17 of the steel wire of internal layer sealing ring brush 4 that falls into car rack 22 two ends and car rack 22 both sides is back in car rack 22 chambeies; Ramming head returns the screw feeder blade 33 that positive and negative two kinds of directions are arranged on the axle 32 that stirs of sand screw feeder 40, making that ramming head returns sand screw feeder 40 can be under the drive of screw feeder power motor 24, the steel sand at car rack 22 inner two ends at the uniform velocity constantly is transported to the bottom of ramming head 9, thereby make dolly have a cover three-dimensional go back to sand, confession sand system certainly, guarantee the steel sand supply of ramming head 9.

Dedusting fan sand stop cover 16 is by connecing one group of parallel and have the inclined steel plate in space to form each other cover body at a face down bonding again after the welding of three block plates of the left and right sides and top; its opposite side is welded to car rack 22 inboards, the outside, shot blast room dedusting fan 13 ends; can protect shot blast room dedusting fan 13 to avoid sucking steel sand and damage, and not hinder shot blast room dedusting fan 13 to suck dusts, gas etc.

Blowing passage steel plate 23 has the steel plate of blowing passage in being, during dolly rust cleaning operation, connect wind regime, can the minute quantity steel sand of steel pipe 31 bottoms and the rear end that dust blows to car rack 22 will be fallen into, along with moving of dolly, enter external dust cleaning mechanism 34 and outside steel sand recovering mechanism 35 respectively until blowing out steel pipe 31.

Carrying suspension ring 39 are welded on the ball blast casing 7, make the carrying of dolly convenient flexibly.

As shown in Figure 4, the ramming head for the embodiment of the invention returns sand screw feeder front view.Ramming head among the figure returns sand screw feeder 40 and comprises and stir axle 32 and screw feeder blade 33.In the present embodiment, sand roller 18 is returned in the rotatory sealing of going back to the sand system has two groups to be installed in respectively between car rack 22 both sides and the shot blast room outer casing 19, return sand roller power motor 3 and return sand roller chain 20 all at the front end of car rack 22, the oblique upper of ball blast power motor 2, returning sand roller power motor 3 returns sand roller 18 with rotatory sealing and is connected by returning sand roller chain 20, ramming head returns sand steel plate 10 has two groups respectively in the front and rear part of car rack 22, two ends are welded to ramming head casing 7 outsides respectively, curved plate 15 bottom sides of car rack 22, ramming head returns sand screw feeder 40 in car rack 22 inside, ramming head casing 7 belows, screw feeder power motor 24 are installed in bottom, car rack 22 rear ends; The shot blast room dedusting fan 13 of dust pelletizing system is positioned at the rear end of car rack 22, the top of screw feeder power motor 24, and dedust air duct 11 is installed in shot blast room dedusting fan 13 right sides.

As shown in Figure 5, be the dolly universal wheel stereogram of the embodiment of the invention.Dolly universal wheel 21 comprises holddown spring 26, set bolt 27 and universal wheel wheel body 28 among the figure, holddown spring 26 makes each universal wheel wheel body 28 press simultaneously on steel pipe 31 inwalls and can roll flexibly, simultaneously also make sealing system can press all the time on steel pipe 31 inwalls, can regulate the operating radius of operating trolley by regulating holddown spring 26 and set bolt 27, adapt to the steel conduit of different inner diameters.

The height adjustment range of holddown spring is 100mm~500mm, can make the operating trolley of different sizes according to the caliber scope demand of actual engineering, satisfies the rust cleaning operation of different pipelines in the engineering.

As shown in Figure 6, the dolly for the embodiment of the invention seals the offset plate stereogram.Dolly sealing offset plate among the figure comprises adhesive tape fixation steel plate 29 and adhesive tape 30, the ball blast power motor of ball blast system is positioned at the car rack front end of running gear, the rear end of traction guide rod, the ball blast casing is positioned at the car rack middle part, the ball blast box house is provided with ball blast casing backplate and ramming head successively, ball blast casing outside weldings ball blast casing fixation steel plate, the other end of ball blast casing fixation steel plate are welded on the adhesive tape fixation steel plate of dolly sealing offset plate.

Claims (1)

1. an inner-walls of duct electric ballasting rust remover is characterized in that, comprises running gear, sealing system, ball blast system, returns sand system, dust pelletizing system and purging system, and described purging system comprises blowing passage steel plate; Described running gear comprises car rack, traction guide rod, dolly universal wheel and carrying suspension ring; One end of described blowing passage steel plate is welded to described car rack front end bottom side, becomes an inclination angle with level; Sealing system comprises cover wire sealing ring brush, steel wire of internal layer sealing ring brush, dolly sealing offset plate, returns little steel disc of sand and shot blast room outer casing; The ball blast system comprises ball blast power motor, ramming head, ball blast casing, ball blast casing backplate and ball blast casing fixation steel plate; Go back to the sand system and comprise that rotatory sealing is returned the sand roller, returns sand roller chain, returned sand roller power motor, ramming head returns sand screw feeder, screw feeder power motor and ramming head and returns the sand steel plate; Dust pelletizing system comprises shot blast room dedusting fan, dedust air duct, dedust power motor and dedusting fan sand stop cover; Each system of described inner-walls of duct electric ballasting rust remover all directly or indirectly is installed on the car rack of running gear, constitutes self sealss in the complete pipeline, returns the automatic rust-removing operating trolley of sand, confession sand certainly; Wherein, the traction guide rod in the running gear is positioned at the front end of car rack, and the dolly universal wheel is installed on the inclined-plane, both sides of car rack middle and lower part, and the carrying suspension ring are welded on the ball blast casing.
CN2007101078499A 2007-05-21 2007-05-21 Electric ballasting rust remover on the inner wall of pipeline CN101036977B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007101078499A CN101036977B (en) 2007-05-21 2007-05-21 Electric ballasting rust remover on the inner wall of pipeline

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Application Number Priority Date Filing Date Title
CN2007101078499A CN101036977B (en) 2007-05-21 2007-05-21 Electric ballasting rust remover on the inner wall of pipeline

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CN101036977A CN101036977A (en) 2007-09-19
CN101036977B true CN101036977B (en) 2010-10-13

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CN101664902B (en) * 2009-09-08 2011-04-13 满城县永红铸造机械有限公司 Shot blasting machine for outer wall of steel tube
CN102335883B (en) * 2011-08-31 2013-09-04 中国海洋石油总公司 Hydraulic motor-driven inside-shot-blasting and descaling device for steel pipelines
CN106239167B (en) * 2016-07-16 2018-06-19 广东顺恒鑫柴油发电机股份有限公司 A kind of diesel pipeline inner wall integral intelligent processing equipment
CN106482574A (en) * 2016-10-16 2017-03-08 合肥太通制冷科技有限公司 A kind of wire-tube evaporator removal of residue method
CN107791152B (en) * 2017-05-11 2019-05-21 湖南六建机电安装有限责任公司 A kind of semi-automatic live derusting by sandblasting method
CN108214319A (en) * 2018-01-18 2018-06-29 段建英 Shot-peening wall derusting device in a kind of self-propelled major diameter metal pipeline

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CH642294A5 (en) * 1980-01-10 1984-04-13 Marco Darani Process and apparatus for the anti-corrosion treatment of the inner surface of a tubular hollow body
CH656330A5 (en) * 1982-07-07 1986-06-30 Marco Darani Device for corrosion-protective treatment
US4557079A (en) * 1984-06-22 1985-12-10 Empire Abrasive Equipment Corporation Spin blaster
US5081800A (en) * 1988-10-25 1992-01-21 Heinrich Schlick Gmbh Vehicular device designed to operate in enclosed canals
EP0438837A2 (en) * 1989-11-30 1991-07-31 MANNESMANN Aktiengesellschaft Device for blasting the inside of a pipe
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