CN205797601U - Be applicable to large length-diameter ratio boiler pipe inner wall coating spraying device - Google Patents

Be applicable to large length-diameter ratio boiler pipe inner wall coating spraying device Download PDF

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Publication number
CN205797601U
CN205797601U CN201620721196.8U CN201620721196U CN205797601U CN 205797601 U CN205797601 U CN 205797601U CN 201620721196 U CN201620721196 U CN 201620721196U CN 205797601 U CN205797601 U CN 205797601U
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China
Prior art keywords
boiler tube
applicable
big
wall paint
ratio
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Active
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CN201620721196.8U
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Chinese (zh)
Inventor
黄锦阳
鲁金涛
杨珍
周永莉
党莹樱
严靖博
尹宏飞
赵新宝
袁勇
谷月峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Thermal Power Research Institute Co Ltd
Huaneng Power International Inc
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Xian Thermal Power Research Institute Co Ltd
Huaneng Power International Inc
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Priority to CN201620721196.8U priority Critical patent/CN205797601U/en
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Abstract

The utility model discloses a large length-diameter ratio boiler pipe inner wall coating spraying device, which is suitable for the large length-diameter ratio boiler pipe inner wall coating spraying device and comprises a workbench, wherein one end of the workbench is provided with a traction device, the other end of the workbench is provided with a bracket, the workbench is provided with a plurality of guide rails for supporting a boiler pipe and a supporting system with adjustable height, the guide rails are provided with a control cabinet for limiting, and the control cabinet is connected with the traction device; the control cabinet is connected with a boiler pipe, a spray gun for spraying is arranged in the boiler pipe, and the tail of the spray gun is positioned on the support. The utility model discloses can satisfy and preheat the limit and carry out the coating spraying to big length to diameter ratio boiler pipeline under all kinds of atmosphere environment, the spraying is efficient, and the spraying layer is even, and the coating of preserving is difficult for rotten and spraying high quality under the special condition.

Description

One is applicable to big L/D ratio boiler tube inner-wall paint spray equipment
Technical field
This utility model belongs to surface spraying technical field, relates to a kind of pipe surface spray equipment, particularly relates to one It is applicable to big L/D ratio boiler tubing inner-wall paint spray equipment.
Background technology
The etching problem of metallic conduit has become and has had a strong impact on its service life, production safety and business economic cost Restraining factors, the aseptic technic of pipeline becomes as one of way solving these problems;The method master that general pipeline corrosion protection uses The techniques such as coating to be had, leaching are moulded, plating, for large-sized boiler pipeline, spraying is one of method the most easily and effectively, i.e. Various coating, paint, even dry powder etc. are sprayed onto pipe surface and form corrosion resistance protective layer;But for the boiler of big L/D ratio For pipeline, the method for outer wall spraying is a lot, but how by these spray paintings to inner-walls of duct by be one the most thorny Problem.
At present, the Apparatus and method for of pipe inner-wall spraying is the most single, and existing major part inner wall spraying device is only Can process relatively short metallic conduit, very small amount equipment can process the pipeline that draw ratio is bigger, and be all at normal temperatures, air In carry out and spray efficiency is relatively low, coating is uneven, spraying effect difference etc.;It is directed to some spraying conditions requirements higher, has For the coating of property, need just can carry out under different temperatures and different atmosphere environment;Therefore, common spraying equipment This particular/special requirement cannot be met.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, it is provided that one is applicable to big L/D ratio pot Boiler tube inner-wall paint spray equipment, this device can meet the even application of big L/D ratio boiler tubing inner-wall paint, and gained sprays Layer thickness is uniform, and spray efficiency is high, and coating quality is good.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that:
A kind of applicable big L/D ratio boiler tube inner-wall paint spray equipment, including workbench, one end of workbench is provided with Traction apparatus, the other end of workbench is provided with support, workbench is provided with guide rail some for support pot boiler tube and height The support system that degree can regulate, guide rail is provided with for spacing switch board, and switch board is connected with traction apparatus;Control Cabinet processed is connected with boiler tube, is provided for the spray gun of spraying in boiler tube, and the afterbody of spray gun is positioned on support.
Being provided with scroll chuck on described switch board sidewall, boiler tube one end is fixed on scroll chuck.
The most embedded multiple metal balls that can roll in described some support system upper ends.
Described some support systems are equidistantly distributed.
The heating system for boiler tube being heated and height can regulate it is additionally provided with on described workbench.
Described cradle top is provided with the many groups of double folder rods for clamping spray gun afterbody.
Described internal stent is provided with the precision electric motor for regulating the height organizing double nip rolls more.
Described boiler tube a size of 2m≤L≤50m, 30mm≤Φ≤150mm, wherein L is length of tube, and Φ is pipe external diameter.
Being provided with gas outlet near the shower nozzle of described spray gun, spray gun connects gas feeding duct and paint delivery tube Road.
Described guide rail is double Pneumatic guide rail;Described boiler tube is horizontally disposed with, and spray gun afterbody is the level of state.
Compared with prior art, this utility model have the advantages that this utility model by arranging workbench, Arranging guide rail and traction apparatus on workbench, boiler tube is arranged in the support system that height can regulate, and switch board is in traction Boiler tube can be driven under the effect of device to move horizontally, so make this utility model be applicable to big L/D ratio boiler inner wall The spraying of coating.This apparatus structure is simple, and improves spray efficiency.The thickness of coating layer sprayed is uniform, production efficiency Height, paint loss is few, convenient and simple for operation.
Further, the most fixing some support systems corresponding with scroll chuck in this utility model, it is high Spending adjustable, sprayable length is at the big L/D ratio boiler tube that 2m~50m, caliber are 30mm~150mm, and it is right to be positioned at scroll chuck The heating system that end is fixed can spray on preheating limit in limit in spraying process, is inserted simultaneously near the spray gun rifle head within boiler tube Gas outlet all kinds of atmospheres such as reproducibility, oxidisability, inertia can be provided, meet the spray strip of various special coating with this Part.
Further, guide rail is provided with switch board, in switch board, is provided with limit control system, in traction apparatus and control The parameters such as cabinet processed arrange improper in the case of, equipment work is automatically stopped to limit point, maximizes guarantee personnel and equipment Safety.The thickness of coating layer that this device is sprayed is uniform, production efficiency is high, and paint loss is few, convenient and simple for operation, for Perishable special coating can protect it from rotten under different atmosphere environment thus ensure the effectiveness of sprayed coating.
Further, the most embedded multiple metal balls that can roll in some support system upper ends, in pipeline advance process For rolling friction between middle boiler tube and metal ball, resistance is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is enlarged drawing at A in Fig. 1;
Fig. 3 is enlarged drawing at B in Fig. 1;
In Fig. 1,1 for traction apparatus, 2 be workbench, 3 for heating system, 4 for guide rail, 5 for switch board, 6 be three-jaw card Dish, 7 be support system, 8 for double nip rolls, 9 for gas feeding duct, 10 for coating input channel, 11 for spray gun, 12 for Frame, 13 it is boiler tube.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail:
With reference to Fig. 1, a kind of big L/D ratio boiler tube inner-wall paint spray equipment described in the utility model, including workbench 2, switch board 5, scroll chuck 6, traction apparatus 1, guide rail 4, heating system 3, many group double nip rolls 8, support 12, high-speed rotary Spray gun 11 and some support systems 7, the most embedded multiple metal balls in each support system 7 upper end and height adjustable;The one of workbench 2 End is provided with traction apparatus 1, and left half section surface of workbench 2 is fixed with double Pneumatic guide rail 4.
See Fig. 2, guide rail 4 be fixed with switch board 5, and on the right side of switch board, be fixed with scroll chuck 6, switch board 5 with Traction apparatus 1 is connected, and at the uniform velocity can move along guide rail 4 under the effect of traction apparatus 1.
Seeing Fig. 3, some support systems 7 are fixed on right half section surface of workbench 2, and are equidistantly distributed, near three Dog chuck 6 right-hand member is fixed with heating system 3, and boiler tube 13 1 is disconnected to be fixed on scroll chuck 6, by propping up after heating system 3 Support system 7 is propped and is the level of state, and workbench 2 end is fixed with support 12, and support 12 top is provided with the double folder rod 8 of many groups, Support 12 is internally provided with precision electric motor, the height of the double nip rolls 8 of many groups of precision electric motor scalable, and high-speed rotary spray gun 11 is inserted Entering boiler tubing 13 internal, spray gun afterbody keeps level organize under the effect of double folder rod 8 more.
It should be noted that the most fixing some support system 7 height adjustable, corresponding with scroll chuck 6, can spray The boiler tube size being coated with: 2m≤L≤50m, 30mm≤Φ≤150mm (wherein L is length of tube, and Φ is pipe external diameter);High speed rotating Formula spray gun 11 inserts inside boiler tube, rifle head high speed rotating, is provided with gas outlet, gas and coating and is inputted by gas near rifle head Pipeline 9 and paint delivery tube road 10 provide;The gas outlet being provided with near high-speed rotary spray gun 11 rifle head, can be in boiler tube There is provided and carry out spray painting work under reproducibility environment, oxidative environment and inert gas environment;Fix on the right side of scroll chuck 6 There is heating system 3;Heating system 3 level height is adjustable, open-type multistage temperature control structure in employing;Boiler tubing is at atmosphere protection The most online the pre-heat treatment carries out rotation limit, limit protrusive kinetic spray simultaneously;At support system 7 upper end and boiler tubing contact point Being provided with and can roll metal ball, boiler tubing is rolling friction during advancing, and resistance is little.
Specific works process of the present utility model is:
Open multistage temperature control heating system 3 upper cover, the boiler tube 13 of big L/D ratio is passed and by a head clamping in three-jaw On chuck 6, the height of regulation support system 7 makes pipeline 13 be in level simultaneously, covers heating system 3 upper cover;Will be at a high speed Rotation spray lance 11 inserts boiler tube 13 inside after the double nip rolls 8 of many groups, the precision internally installed by controlling support 12 The motor regulation height organizing double nip rolls 8 makes high-speed rotary spray gun 11 fix spray gun after being in boiler tube 13 center more; Rotary speed and the step rate of boiler tube are set on switch board 5 and traction apparatus 1 according to different draw ratio boiler tubes, Different temperatures section is set in multistage temperature control heating system 3 according to different coating properties and carries out the pre-heat treatment, pass through gas simultaneously Input channel 9 is passed through noble gas to high speed rotation spray lance, is then entered pot by the venthole on high-speed rotary spray gun surface Boiler tube 13 is internal, forms inert environments;After ventilation 5min, system 3 temperature to be heated reaches preset temperature, opens high-speed rotary Spray gun 11, the coating inputted from coating input channel 10 is thrown away at a high speed in high-speed rotation by high-speed rotary spray gun rifle head Being sprayed onto inner-walls of duct, meanwhile open switch board 5 and the start button of traction apparatus 1, whole spraying process is started working.Spray After painting terminates, closing spray gun, switch board 5 and traction apparatus 1 will be automatically stopped according to pre-set parameter.

Claims (10)

1. one kind is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that include workbench (2), work One end of platform is provided with traction apparatus (1), and the other end of workbench (2) is provided with support (12), workbench (2) is provided with and leads Rail (4) is some for support pot boiler tube (13) and the support system (7) that can regulate of height, guide rail (4) is provided with for Spacing switch board (5), and switch board (5) is connected with traction apparatus (1);Switch board (5) is connected with boiler tube (13), boiler Being provided for the spray gun (11) of spraying in pipe (13), the afterbody of spray gun is positioned on support (12).
One the most according to claim 1 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that Being provided with scroll chuck (6) on described switch board sidewall, boiler tube (13) one end is fixed on scroll chuck (6).
One the most according to claim 1 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that The most embedded multiple metal balls that can roll in described some support systems (7) upper end.
4. being applicable to big L/D ratio boiler tube inner-wall paint spray equipment according to the one described in claim 1 or 3, its feature exists In, described some support systems (7) are equidistantly distributed.
One the most according to claim 1 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that The heating system (3) for boiler tube (13) being heated and height can regulate it is additionally provided with on described workbench (2).
One the most according to claim 1 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that Described support (12) top is provided with the many groups of double nip rolls (8) for clamping spray gun (11) afterbody.
One the most according to claim 6 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that Described support (12) is internally provided with the precision electric motor for regulating the height organizing double nip rolls (8) more.
One the most according to claim 1 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that Described boiler tube (13) a size of 2m≤L≤50m, 30mm≤Φ≤150mm, wherein L is length of tube, and Φ is pipe external diameter.
One the most according to claim 1 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, it is characterised in that Being provided with gas outlet near the shower nozzle of described spray gun (11), spray gun (11) connects gas feeding duct (9) and coating conveying Pipeline (10).
One the most according to claim 1 is applicable to big L/D ratio boiler tube inner-wall paint spray equipment, and its feature exists In, described guide rail (4) is double Pneumatic guide rail;Described boiler tube (13) is horizontally disposed with, and spray gun (11) afterbody is the level of state.
CN201620721196.8U 2016-07-08 2016-07-08 Be applicable to large length-diameter ratio boiler pipe inner wall coating spraying device Active CN205797601U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620721196.8U CN205797601U (en) 2016-07-08 2016-07-08 Be applicable to large length-diameter ratio boiler pipe inner wall coating spraying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620721196.8U CN205797601U (en) 2016-07-08 2016-07-08 Be applicable to large length-diameter ratio boiler pipe inner wall coating spraying device

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111068990A (en) * 2020-01-03 2020-04-28 山东尚核电力科技有限公司 Inside and outside plastic-coated steel pipe production system
CN114453202A (en) * 2022-01-19 2022-05-10 武汉材料保护研究所有限公司 Pipeline inner wall coating device suitable for liquid coating
CN115323310A (en) * 2022-08-18 2022-11-11 江苏金色工业炉股份有限公司 Application method of anti-seepage nitrogen coating

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111068990A (en) * 2020-01-03 2020-04-28 山东尚核电力科技有限公司 Inside and outside plastic-coated steel pipe production system
CN111068990B (en) * 2020-01-03 2020-09-18 山东尚核电力科技有限公司 Inside and outside plastic-coated steel pipe production system
CN114453202A (en) * 2022-01-19 2022-05-10 武汉材料保护研究所有限公司 Pipeline inner wall coating device suitable for liquid coating
CN115323310A (en) * 2022-08-18 2022-11-11 江苏金色工业炉股份有限公司 Application method of anti-seepage nitrogen coating
CN115323310B (en) * 2022-08-18 2023-07-04 江苏金色工业炉股份有限公司 Application method of anti-nitrogen coating

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