CN201304389Y - Spraying equipment used for corrosion protection of inner wall of steel pipe - Google Patents
Spraying equipment used for corrosion protection of inner wall of steel pipe Download PDFInfo
- Publication number
- CN201304389Y CN201304389Y CNU2008201677809U CN200820167780U CN201304389Y CN 201304389 Y CN201304389 Y CN 201304389Y CN U2008201677809 U CNU2008201677809 U CN U2008201677809U CN 200820167780 U CN200820167780 U CN 200820167780U CN 201304389 Y CN201304389 Y CN 201304389Y
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- steel pipe
- gun
- barral
- spraying equipment
- spray gun
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to equipment which sprays the inner wall of a steel pipe for corrosion protection, in particular to spraying equipment used for corrosion protection of the inner wall of the steel pipe. The spraying equipment comprises a steel pipe inner spray carriage (1) with a powder box (17), a spray gun (23), a transfer device (3) used for relocating the steel pipe, a heating device (2) and a powder recoverer, wherein, a circulating cooling water system is arranged in a barrel (18) of the spray gun, the transfer device (3) for the relocation of the steel pipe is arranged below the barrel (18), the heating device (2) is arranged behind a nozzle (13), and the powder recoverer is arranged at the front end of the nozzle (13). The spraying equipment used for protecting the inner wall of the steel pipe against corrosion can not only utilize the spray gun for fully automatic anti-corrosion spray on the inner wall of a steel pipe with large diameter and length, but also be used in the manufacture of large steel pipes with sprayed inner walls. Meanwhile, the spraying equipment has the advantages of convenient operation and high security.
Description
Technical field
The utility model relates to and a kind of steel pipe is carried out the inner wall anti-corrosive equipment spraying, relates in particular to a kind of steel pipe big to diameter, that length is long and carries out the inner wall anti-corrosive equipment spraying.
Background technology
Large-scale steel pipe plays important effect in pipeline is carried, but the etching problem of steel pipe affects the service life of steel pipe always.At present the method that steel pipe is carried out inner wall anti-corrosive generally has two kinds.A kind of is to adopt to soak the technology of moulding, the steel pipe that will need exactly to apply enters baking oven and carries out preheating, then the steel pipe after the preheating is sling rapidly by level, insert fast in the deep-wall type fluid bed, make the sticking steel tube surface of applying after heating of powder, then again with the quick pull-up of steel pipe, and make steel pipe horizontal positioned once more, enter the powder curing baking oven, make powder curing after, the following part of cooling again.Employing soaks to mould needs to dig deep-well in the factory building, the top of factory building also will install additional and promote driving, need carry out special transformation to factory building, be restricted also many, therefore processing diameter of steel tube≤φ 300mm usually, the length≤6m of steel pipe.Soak and mould technology a link is arranged is that horizontal steel tube is converted to vertically, convert vertical steel pipe to level again after having soaked, the operation that this process need is artificial because the steel pipe temperature is very high, is easy to generate security incident.Another is to adopt the spray gun spraying coating process, adopts spray gun that the inwall of steel pipe is carried out spray coating powder paint and carries out anticorrosion.When carrying out inner-wall spraying, need earlier steel pipe to be heated, utilize spray gun that inwall is sprayed then, steel pipe length than being easier to operation, just is difficult to operation when long general surpassing of steel pipe length more in short-term more than 3 meters, the critical technological point of this method is that temperature is very high in the steel pipe, generally all surpass 200 ℃, spray gun placed in the steel pipe of high temperature for a long time when steel pipe length was longer, and spray gun at all can't operate as normal, and the tube cell in the shower nozzle of spray gun, barral of a gun and the barral of a gun all damages because of high temperature easily.
Summary of the invention
Goal of the invention of the present utility model is in order to solve the defective that existing steel pipe inner wall anti-corrosive production exists, to provide a kind of and utilize spray gun its inwall to be carried out the spraying equipment of anti-corrosion spray to the long steel pipe of the big length of diameter.
In order to realize above-mentioned purpose, the utility model has adopted following technical scheme:
A kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive comprises the interior spray of steel pipe dolly, the spray gun of band powder case, the transmitting device that is used for mobile steel pipe, heater, Powder Recovery device; Spray gun is made of the barral of a gun of shower nozzle and horizontally set, and shower nozzle is arranged on the front end of barral of a gun, and the rear end of barral of a gun connects spray dolly in the steel pipe; Be provided with recirculating cooling water system in the barral of a gun, recirculating cooling water system comprises temperature drop pipe and backwater outlet, and the delivery port of described temperature drop pipe is arranged on the front end of barral of a gun; The transmitting device that is used for mobile steel pipe is arranged on the barral of a gun below, and heater is arranged on the rear of shower nozzle, and the Powder Recovery device is arranged on the front end of shower nozzle.
As preferably, the delivery port of described temperature drop pipe is a three-way pipe, the position of the inlet of temperature drop pipe and backwater outlet all is arranged on the rear end of barral of a gun, the cooling water that enters temperature drop pipe enters from the rear end, three-way pipe water outlet by the barral of a gun front end, from the backwater outlet water outlet of barral of a gun rear end, make cooling water that a circulation trickling process from front end to tail end be arranged at last, guaranteed cooling effect.
As preferably, also be provided with lifting platform, the fixedly connected lifting platform in the rear end of barral of a gun on the spray dolly in the steel pipe.Be convenient to adjust the height of spray gun to adapt to the processing of different-diameter steel pipe.
As preferably, the Powder Recovery device is made of fixedly recover and mobile recover, and shower nozzle is arranged on fixedly in the recover during initial position; Move recover during spraying and be arranged on the steel pipe leading section outside of shower nozzle front end, fixedly recover and mobile recover can reclaim the powder that is not sprayed on the steel pipe, and what not only guaranteed pipe inner-wall spraying evenly but also timely reclaimed the powder that sprays, and recycled.
As preferably, the transmitting device of mobile steel pipe is many conveyers, and adopts spiral transmission to move, and spray gun maintains static, the steel pipe spiral advance guaranteed spraying evenly.
As preferably, be enclosed with rubber sleeve on the roller of conveyer, and be the high-temperature resistant rubber cover near the rubber sleeve on the conveyer of heater, be the rub resistance rubber sleeve away from the rubber sleeve on the conveyer of heater.The high-temperature resistant rubber cover can prevent that rubber sleeve from because of the steel pipe of contact high temperature damages, specifically being that rubber sleeve high temperature dissolves and sticks to the anticorrosive quality that steel pipe influences steel pipe, and the rub resistance rubber sleeve can effectively prolong the service life of rubber sleeve.
As preferably, spray gun is provided with support wheel in the pipe that highly can regulate, and the outer end of support wheel is used to connect the steel pipe inwall in the pipe, and support wheel is used to support spray gun in the pipe.
As preferably, heater is an intermediate frequency heater.
As preferably, also comprise the spray gun bracket system, the spray gun bracket system is made of spray gun carriage dolly and support bar, the same moved further of spray gun carriage dolly and steel pipe; The support bar bottom is fixed on the spray gun carriage dolly, and the top connects barral of a gun, support bar next-door neighbour steel pipe afterbody, and the effect of spray gun bracket system is to be that barral of a gun provides support when support wheel and steel pipe in the pipe of spray gun break away from.
Because adopted a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive of above-mentioned technical scheme, whole inner-wall spraying process all is automation mechanized operation, security is good.The use of spraying equipment does not have specific (special) requirements to factory building, and the diameter of steel pipe is with respect to existing can do bigger, and length is also longer, the diameter of general steel pipe can be accomplished φ 76～φ 1200mm, length can be accomplished 3～13.5m, low cost of manufacture, and the working ability of product is strong.Especially steel pipe is very high by temperature in the heater heating steel pipe, and this recirculating cooling water system plays the effect of water-cooled, and the delivery port of temperature drop pipe is arranged on the front end of barral of a gun; Effectively reduce the temperature of barral of a gun and shower nozzle, guaranteed that spray gun can use normally in the steel pipe of high temperature.In sum, this spraying equipment that is used for the steel pipe inner wall anti-corrosive can utilize spray gun that its inwall is carried out full-automatic anti-corrosion spray to the long steel pipe of the big length of diameter, can produce large-scale inner-wall spraying steel pipe, has easy to operate, safe advantage simultaneously.
Description of drawings
Fig. 1: example structure schematic diagram of the present utility model.
Fig. 2: spraying equipment original state partial schematic diagram among the embodiment of the present utility model.
Fig. 3: the generalized section of barral of a gun among the utility model embodiment.
The specific embodiment
1-3 makes a detailed explanation the specific embodiment of the present invention below in conjunction with accompanying drawing.
A kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive as Figure 1-3 is made of spray dolly 1, spray gun 23, the transmitting device 3 that is used for mobile steel pipe, heater 2, Powder Recovery device and spray gun bracket system 7 in the steel pipe of band powder case 17.Spray gun 23 is made of the barral of a gun 18 of shower nozzle 13 and horizontally set, be provided with recirculating cooling water system in the barral of a gun 18, recirculating cooling water system comprises temperature drop pipe 22 and backwater outlet 21, the delivery port 20 of temperature drop pipe 22 is arranged on the front end of barral of a gun 18, the delivery port 20 of temperature drop pipe 22 is three-way pipes, the inlet of temperature drop pipe 22 and backwater outlet 21 are arranged on the rear end of barral of a gun 18, the cooling water that enters temperature drop pipe 22 enters from the rear end, three-way pipe water outlet by barral of a gun 18 front ends, backwater from barral of a gun 18 rear ends exports 21 water outlets at last, make cooling water that a circulation trickling process from front end to tail end be arranged, guaranteed cooling effect.Shower nozzle 13 is connected the front end of barral of a gun 18.This structure not only can reduce the temperature of barral of a gun 18 inside and outside walls, also can reduce the temperature of tube cells in the barral of a gun 18, and delivery port 20 front end that is arranged on barral of a gun 18 also can reduce the temperature of shower nozzle 13 near shower nozzle 13 places simultaneously.The rear end of barral of a gun 18 connects spray dolly 1 in the steel pipe, and 1 also is provided with lifting platform 16, the fixedly connected lifting platform 16 in the rear end of barral of a gun 18 on the interior spray of the steel pipe dolly.Spray gun is provided with support wheel 14 in the pipe that highly can regulate, and the outer end of support wheel 14 is used to connect steel pipe 15 inwalls in the pipe.The Powder Recovery device is made of fixedly recover 4 and mobile recover 5, and shower nozzle 13 is arranged on fixedly in the recover 4 during start, moves the steel pipe 15 leading sections outside that recover 5 is arranged on shower nozzle 13 front ends during inner-wall spraying, mobile recover 5 and steel pipe 15 same moved further.The transmitting device 3 that is used for mobile steel pipe is arranged on barral of a gun 18 belows, and heater 2 is arranged on the rear of shower nozzle 13.Spray gun bracket system 7 is made of spray gun carriage dolly 71 and support bar 72, spray gun carriage dolly 71 and steel pipe 15 same moved further.Support bar 72 bottoms are fixed on the spray gun carriage dolly 71, and the top connects barral of a gun 18, support bar 72 next-door neighbour's steel pipes 15 afterbodys.
The transmitting device 3 of above-mentioned mobile steel pipe is many conveyers, and adopt spiral transmission to move, be enclosed with rubber sleeve 31 on the roller of conveyer, and near the rubber sleeve 31 on the conveyer of heater 2 is the high-temperature resistant rubber cover, is rub resistance rubber sleeve 32 away from the rubber sleeve on the conveyer of heater 2 31.Above-mentioned heater 2 is intermediate frequency heaters.
The course of work is as follows:
One, behind the steel pipe 15 process sandblast ball blast pretreatment procedures, transfers on the conveyer 3 with driving;
Two, according to the diameter of steel pipe 15, with the height of lifting platform 16 adjustment gun shots, open the recirculated cooling water in the barral of a gun, next start spray dolly 1 in the steel pipe, make barral of a gun 18 smoothly by steel pipe 15, the spray gun meal outlet stops when arriving the position of fixed recover 4 automatically;
Three, open fixed recover 4 successively, spray gun, intermediate frequency electric heater unit 2, according to the powder outlet quantity of visual observation adjustment spray gun, it is up to standard detecting steel pipe 15 surface temperatures, is generally 250 ℃.After just continuous, start steel pipe conveyer 3, make steel pipe 15 spiral being fed forward, carry out interior spraying operation, when the meal outlet of interior spray-painting gun enters steel pipe 15 inside, fixedly recover 4 cuts out automatically, open mobile recover 5 simultaneously, the suction powder mouth of mobile recover 5 and the front end of steel pipe 15 keep the distance of 300mm, with steel pipe 15 advanced in unison, with steel pipe 15 synchronous spray gun carriage dollies 71 in addition forward, when support wheel in the pipe of spray gun 14 breaks away from steel pipe 15, be that barral of a gun 18 provides support.Near the rubber sleeve of the roller outer wrapping of three groups of conveyers 3 intermediate frequency heater 2,9 is that heatproof reaches 280 ℃ high-temperature resistant rubber, and what remaining roller wrapped up is wear-resisting wiping rubber sleeve.Adopt the technology of such thermal spraying, the powder coating thickness can reach 120 μ m～300 μ m.After spraying is finished in the steel pipe 15, spray dolly 1 in the steel pipe, spray gun carriage dolly 71, the portable device 5 that reclaims is all got back to initial position, so cycling.
The foregoing description only is a this patent embodiment preferably, and the structure that all employing the technical program are described, feature and the variation on its spiritual principle, modification all belong to the protection domain of this patent.
Claims (9)
1. a spraying equipment that is used for the steel pipe inner wall anti-corrosive is characterized in that comprising the interior spray of steel pipe dolly (1), the spray gun (23) of band powder case (17), the transmitting device (3) that is used for mobile steel pipe, heater (2) and Powder Recovery device; Spray gun (23) is made of the barral of a gun (18) of shower nozzle (13) and horizontally set, and shower nozzle (13) is connected the front end of barral of a gun (18), and the rear end of barral of a gun (18) connects spray dolly (1) in the steel pipe; Barral of a gun is provided with recirculating cooling water system in (18), and recirculating cooling water system comprises temperature drop pipe (22) and backwater outlet (21), and the delivery port (20) of described temperature drop pipe (22) is arranged on the front end of barral of a gun (18); The transmitting device (3) that is used for mobile steel pipe is arranged on barral of a gun (18) below, and heater (2) is arranged on the rear of shower nozzle (13), and the Powder Recovery device is arranged on the front end of shower nozzle (13).
2. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 1, the delivery port (20) that it is characterized in that described temperature drop pipe (22) is a three-way pipe, and the position of the inlet of temperature drop pipe (22) and backwater outlet (21) all is arranged on the rear end of barral of a gun (18).
3. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 1 and 2 is characterized in that (1) also is provided with lifting platform (16), the fixedly connected lifting platform in rear end (16) of barral of a gun (18) on the interior spray of the steel pipe dolly.
4. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 1 and 2 is characterized in that the Powder Recovery device is made of fixedly recover (4) and mobile recover (5), and shower nozzle during initial position (13) is arranged on fixedly recover interior (4); Move steel pipe (15) the leading section outside, mobile recover (5) and the same moved further of steel pipe (15) that recover (5) is arranged on the front end of shower nozzle (13) during spraying.
5. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 1 and 2 is characterized in that the transmitting device (3) of mobile steel pipe is many conveyers, and adopts spiral transmission to move.
6. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 5, it is characterized in that being enclosed with rubber sleeve (31) on the roller of conveyer, and near the rubber sleeve (31) on the conveyer of heater (2) is the high-temperature resistant rubber cover, is rub resistance rubber sleeve (32) away from the rubber sleeve (31) on heater (2) conveyer.
7. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 1 and 2 is characterized in that spray gun is provided with support wheel (14) in the pipe that highly can regulate, and the outer end of support wheel (14) is used to connect steel pipe (15) inwall in the pipe.
8. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 1 and 2 is characterized in that heater (2) is an intermediate frequency heater.
9. a kind of spraying equipment that is used for the steel pipe inner wall anti-corrosive according to claim 1 and 2, it is characterized in that also comprising spray gun bracket system (7), spray gun bracket system (7) is made of spray gun carriage dolly (71) and support bar (72), spray gun carriage dolly (71) and the same moved further of steel pipe (15); Support bar (72) bottom is fixed on the spray gun carriage dolly (71), and the top connects barral of a gun (18), support bar (72) next-door neighbour steel pipe (15) afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201677809U CN201304389Y (en) | 2008-11-24 | 2008-11-24 | Spraying equipment used for corrosion protection of inner wall of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201677809U CN201304389Y (en) | 2008-11-24 | 2008-11-24 | Spraying equipment used for corrosion protection of inner wall of steel pipe |
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| Publication Number | Publication Date |
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| CN201304389Y true CN201304389Y (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201677809U Expired - Fee Related CN201304389Y (en) | 2008-11-24 | 2008-11-24 | Spraying equipment used for corrosion protection of inner wall of steel pipe |
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| CN (1) | CN201304389Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920239A (en) * | 2010-07-13 | 2010-12-22 | 上海沪能防腐隔热工程技术有限公司 | Paint spraying machine for inner wall of steel pipe |
| CN102688835A (en) * | 2012-06-21 | 2012-09-26 | 浙江华立涂装设备有限公司 | Spraying machine in fire-fighting bottle |
| CN103846193A (en) * | 2014-03-12 | 2014-06-11 | 宁波科鑫腐蚀控制工程有限公司 | Side shifting type spraying mechanism and method for internal coating of anticorrosion steel pipe |
| CN104338660A (en) * | 2013-07-26 | 2015-02-11 | 青岛大仓管道防腐保温器材有限公司 | Patch coater of antiseptic powder in steel pipe |
| CN106217916A (en) * | 2016-08-05 | 2016-12-14 | 四川比耐斯管业有限公司 | The manufacture system of a kind of composite steel tube and manufacture method thereof |
| CN112371457A (en) * | 2020-11-20 | 2021-02-19 | 无锡麦格拉斯新材料有限公司 | Automatic production line for spraying flexible microcrystalline glass on inner wall of metal straight pipe |
| CN117066063A (en) * | 2023-09-06 | 2023-11-17 | 台玻悦达汽车玻璃有限公司 | Glass powder spraying device for automobile glass production |
-
2008
- 2008-11-24 CN CNU2008201677809U patent/CN201304389Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920239A (en) * | 2010-07-13 | 2010-12-22 | 上海沪能防腐隔热工程技术有限公司 | Paint spraying machine for inner wall of steel pipe |
| CN102688835A (en) * | 2012-06-21 | 2012-09-26 | 浙江华立涂装设备有限公司 | Spraying machine in fire-fighting bottle |
| CN104338660A (en) * | 2013-07-26 | 2015-02-11 | 青岛大仓管道防腐保温器材有限公司 | Patch coater of antiseptic powder in steel pipe |
| CN103846193A (en) * | 2014-03-12 | 2014-06-11 | 宁波科鑫腐蚀控制工程有限公司 | Side shifting type spraying mechanism and method for internal coating of anticorrosion steel pipe |
| CN103846193B (en) * | 2014-03-12 | 2016-05-25 | 宁波科鑫腐蚀控制工程有限公司 | The internally coated side shifting type spray body of anti-corrosive steel tube and spraying method |
| CN106217916A (en) * | 2016-08-05 | 2016-12-14 | 四川比耐斯管业有限公司 | The manufacture system of a kind of composite steel tube and manufacture method thereof |
| CN112371457A (en) * | 2020-11-20 | 2021-02-19 | 无锡麦格拉斯新材料有限公司 | Automatic production line for spraying flexible microcrystalline glass on inner wall of metal straight pipe |
| CN117066063A (en) * | 2023-09-06 | 2023-11-17 | 台玻悦达汽车玻璃有限公司 | Glass powder spraying device for automobile glass production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANHUA CHEMICAL MACHINERY + AUTOMATION RESEARCH I |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qiao Junping Inventor after: Han Yong Inventor after: Zhang Yonghong Inventor after: Lv Jianli Inventor after: Jin Yueqiang Inventor after: He Jilong Inventor before: Lv Jianli Inventor before: Jin Yueqiang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LV JIANLI JIN YUEQIANG TO: QIAO JUNPING HAN YONG ZHANG YONGHONG LV JIANLI JIN YUEQIANG HE JILONG |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101025 Address after: 313200 Zhejiang province Deqing County Wukang Unshu Road No. 596 Co-patentee after: Tianhua Chemical Machinery & Automation Research Inst. Patentee after: Zhejiang Huali Coating Equipment Co., Ltd. Address before: 313200 Zhejiang province Deqing County Wukang Unshu Road No. 596 Patentee before: Zhejiang Huali Coating Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20161124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |