CN107470080B - A kind of application method of metal tube hot spraying device - Google Patents
A kind of application method of metal tube hot spraying device Download PDFInfo
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- CN107470080B CN107470080B CN201710957926.3A CN201710957926A CN107470080B CN 107470080 B CN107470080 B CN 107470080B CN 201710957926 A CN201710957926 A CN 201710957926A CN 107470080 B CN107470080 B CN 107470080B
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- metal tube
- heating furnace
- furnace
- heating
- strut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
- B05D3/0236—Pretreatment, e.g. heating the substrate with ovens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Coating By Spraying Or Casting (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Spray Control Apparatus (AREA)
Abstract
The present invention discloses a kind of application method of metal tube hot spraying device, belongs to the hot spraying technical field of metallic heat exchanging tube.The present invention includes the following steps, step (1): opening rotating mechanism makes strut remain a constant speed rotation；Step (2): metal tube is integrally heated；Step (3): metal tube surface is sprayed-on upper bottom coating to the other end from one end；Step (4): the furnace temperature that single heating furnace is arranged is bottom material sintering curing temperature；Step (5): metal tube is integrally heated；Step (6): as the average rate of single heating furnace is mobile, metal tube surface is sprayed-on coating above to the other end from one end；Step (7): the cylinder-shaped burner hearth on single heating furnace covers metal tube completely, integrally heats to metal tube；Step (8): furnace cooling is carried out to metal tube.The present invention easily can carry out whole heating to metal tube, improve the service life of metal tube surface coating in actual use.
Description
Present patent application is for application No. is 2016101080712 divisional application, the applyings date of original application
Are as follows: 2016-02-26, invention and created name are as follows: a kind of metal tube hot spraying device.
Technical field
The present invention relates to a kind of metal tube spray equipments, more specifically to a kind of metal tube hot spraying device
Application method belongs to the hot spraying technical field of metallic heat exchanging tube.
Background technique
Metallic heat exchanging tube (light pipe, finned tube etc.) is to strengthen residual heat and energy in steel industry to utilize, carry out depth waste heat time
The important heat exchanger assembly received, the quality of metallic heat exchanging tube quality directly affect the heat transfer effect of heat exchanger and making for heat exchanger
Use the service life.Heat exchanger is primarily present metallic heat exchanging tube superficial dust during recycling low-temperature flue gas or coal gas waste heat, glues at present
Knot and etching problem, by taking the recycling of certain Blast Furnace Gas of Iron & Steel Plants waste heat as an example, the temperature generated from blast furnace is 300 DEG C or so of coal
Gas carries out wet dedusting after TRT differential pressure power generation, then enter heat exchange of heat pipe carry out low temperature exhaust heat recycling, moisture-laden gas into
After entering heat exchanger, as temperature reduces, the water in coal gas is constantly precipitated and bonds the dust not eliminated in coal gas and is attached to together
Metal heat-exchange pipe surface, metal heat-exchange pipe surface is in wet environment at this time, and the corruption such as chlorine element contained in blast furnace gas
Erosion ingredient exists in condensed water in the form of an ion, heavy corrosion can be generated to metal heat-exchange pipe surface, while tar bonding can be tight
Ghost image rings the heat exchange efficiency of metallic heat exchanging tube.
In the prior art, metal heat-exchange pipe surface is reduced in metal heat-exchange pipe surface sprayed coating frequently with spray equipment
Dust stratification, bonding and etching problem have related art scheme in the prior art wherein for the spray equipment of metallic heat exchanging tube
It is open, such as patent publication No.: 101773891 A of CN, publication date: on July 14th, 2010, invention and created name are as follows: small-bore gold
Belong to inside pipe wall spray equipment and spraying process, this application discloses a kind of inner walls of small-caliber metallic spray equipment and spraying works
Skill, the inner walls of small-caliber metallic spray equipment of this application include the spray that can be protruded into inner walls of small-caliber metallic and be sprayed
Rifle moves the mobile device of small-caliber metallic, and the heating device of local heating can be carried out to small-caliber metallic；This application
Case also discloses a kind of method using this spray equipment spraying inner walls of small-caliber metallic, the steps include: a. by spray gun pipette tips
It protrudes into metal tube；B., the metal tube to be sprayed is placed in the heating position of heating device；C., movement is installed on metal tube
It is dynamic that device be displaced it can along the heating part of heating device；D. start heating device, pass through spray gun pair while moving metal tube
Inner wall of the pipe is sprayed.The advantages of this application, is: can simultaneously by Electrostatic Absorption and heat absorption in the way of to osculum
Caliber metal tubes inner wall is sprayed, and heating position is metal tube part to guarantee that spraying position is controllable and easy to operate.But
There is also following shortcomings for above-mentioned application case: this application using being carried out to metal tube by the way of local heating sprays again, though
Coating poor flatness so easy to operate, but being easy to cause metal tube surface to spray, finally substantially reduces metal tube surface coating
Service life in actual use.
Summary of the invention
1. technical problems to be solved by the inivention
It is a primary object of the present invention to overcome the shortcomings of that existing metal tube surface coating service life is shorter, one is provided
The application method of kind metal tube hot spraying device easily can carry out whole heating to metal tube, improve metal tube surface
The service life of coating in actual use.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
Metal tube hot spraying device of the invention, including rotating mechanism, heating mechanism, spraying mechanism, mobile mechanism, bottom
Seat and strut；
The pedestal is equipped with track, and the heating mechanism is mounted on the track of pedestal, and heating mechanism is equipped with spraying
Mechanism, the mobile mechanism is for driving heating mechanism to slide on the track of pedestal；The strut passes through heating mechanism, strut
Both ends connect with the rotating mechanism, metal tube is cased on strut.
Further improved as metal tube hot spraying device of the invention, the rotating mechanism include left support,
Right support, left-handed shaft, dextral shaft and rotating electric machine, left support and right support are symmetrically distributed in the both ends of pedestal, left branch
The upper end of frame, the upper end of right support are the card slot that bearing is fixed with inside one, which includes the lower bayonet slot being detachably connected
With upper card slot；Left-handed shaft is installed, left-handed shaft is connected by one end of clamping device and strut on the bearing of left support upper end
It connects, dextral shaft is installed on the bearing of right support upper end, dextral shaft is connected by the other end of clamping device and strut；Institute
The output shaft for stating rotating electric machine is connect with left-handed shaft or dextral shaft.
It is further improved as metal tube hot spraying device of the invention, the heating mechanism includes one or one
A above heating furnace being arranged in series, each heating furnace bottom are equipped with the movable pulley matched with pedestal upper rail, Mei Gejia
Hot stove top is equipped with heating furnace handle, and the cylindrical furnace for penetrating through inside heating furnace in the horizontal direction is equipped on each heating furnace
Thorax, uniform winding has resistance wire on the inner wall of the cylindrical shape burner hearth, and the outer wall of cylinder-shaped burner hearth wraps up heat-preservation cotton；The strut according to
The secondary cylinder-shaped burner hearth on each heating furnace, the central axes of strut and the central axes of burner hearth cylinder-shaped on each heating furnace are equal
It is overlapped.
It is further improved as metal tube hot spraying device of the invention, the heating mechanism includes a heating
Furnace, a heating furnace are single heating furnace, and the spraying mechanism includes folding rack, spray gun presss from both sides and single spraying rifle, on single heating furnace
Side is fixed with folding rack close to one end of metal tube, and spray gun folder, the single spraying rifle are fixed on the free end of the folding rack
It is mounted on the spray gun folder of folding rack.
It is further improved as metal tube hot spraying device of the invention, the heating mechanism includes three series connection
The heating furnace of setting, three heating furnaces being arranged in series from close to metal tube one end to far from metal tube one end direction according to
Secondary is 1# heating furnace, 2# heating furnace, 3# heating furnace, and the spraying mechanism includes folding rack, spray gun folder and spray gun, 1# heating furnace
It is respectively and fixedly provided with folding rack with one end above 2# heating furnace far from metal tube, is respectively and fixedly provided on the free end of each fold bracket
Spray gun folder, the spray gun include bottom material spray gun and fabric spray gun, and bottom material spray gun is mounted on the folder of the spray gun above 1# heating furnace, face
Material spray gun is mounted on the folder of the spray gun above 2# heating furnace.
It is further improved as metal tube hot spraying device of the invention, the mobile mechanism includes mobile motor
And chain, be respectively and fixedly provided with a mobile motor on each heating furnace, the output shaft of each mobile motor pass through chain with it is corresponding
Heat the movable pulley connection of furnace bottom.
It is further improved as metal tube hot spraying device of the invention, the clamping device includes two difference
It is mounted on left-handed shaft, scroll chuck or axle sleeve on dextral shaft, location hole radially, the positioning are opened up on the axle sleeve
Screw is installed in hole.
It is further improved as metal tube hot spraying device of the invention, further includes temperature control box and motor control
Case, the temperature control box are connected by Heating Furnace Control line with the wire interface on each heating furnace, each wire interface with it is corresponding
The resistance wire wound on cylinder-shaped inboard wall of burner hearth is connected；The motor control box is connected by mobile motor control line and mobile motor
It connects, motor control box is connect by rotating electric machine control line with rotating electric machine.
The application method of metal tube hot spraying device of the invention, includes the following steps,
Step (1): opening rotating mechanism makes strut remain a constant speed rotation, and the furnace temperature that single heating furnace is arranged is base material treatment temperature
60~120 DEG C of degree；
Single heating furnace: being shifted to the metal tube being cased on strut by step (2), until the cylinder-shaped burner hearth on single heating furnace is complete
Metal tube is covered entirely, 8~20min is integrally heated to metal tube；
Step (3): mobile list heating furnace average rate leaves metal tube, exposes cylinder-shaped burner hearth to metal tube, by single spraying rifle pair
Metalloid pipe, as the average rate of single heating furnace is mobile, metal tube surface is sprayed-on upper bottom coating to the other end from one end；
Step (4): the furnace temperature that single heating furnace is arranged is 120~180 DEG C of bottom material sintering curing temperature；
Single heating furnace: being shifted to the metal tube being cased on strut by step (5), until the cylinder-shaped burner hearth on single heating furnace is complete
Metal tube is covered entirely, 10~20min is integrally heated to metal tube；
Step (6): mobile list heating furnace average rate leaves metal tube, exposes cylinder-shaped burner hearth to metal tube, by single spraying rifle pair
Metalloid pipe, as the average rate of single heating furnace is mobile, metal tube surface is sprayed-on coating above to the other end from one end；
Step (7): the furnace temperature that single heating furnace is arranged is 300~400 DEG C of fabric sintering curing temperature, and single heating furnace is shifted to
The metal tube being cased on strut integrally heats metal tube until the cylinder-shaped burner hearth on single heating furnace covers metal tube completely
30~45min；
Step (8): closing single heating furnace and rotating mechanism, carries out furnace cooling to metal tube.
The application method of metal tube hot spraying device of the invention, includes the following steps,
Step (1): opening rotating mechanism makes strut remain a constant speed rotation, and the furnace temperature of 1# heating furnace is arranged as base material treatment temperature
60~120 DEG C of degree, the furnace temperature that 2# heating furnace is arranged are 120~180 DEG C of bottom material sintering curing temperature, the furnace temperature that 3# heating furnace is arranged
It is 300~400 DEG C of fabric sintering curing temperature；
1# heating furnace: being shifted to the metal tube being cased on strut by step (2), until the cylinder-shaped burner hearth on 1# heating furnace is complete
Metal tube is covered entirely, 8~20min is integrally heated to metal tube；
Step (3): mobile 1# heating furnace average rate leaves metal tube, exposes cylinder-shaped burner hearth to metal tube, by bottom material spray gun
It is directed at metal tube, at the uniform velocity moving for 1# heating furnace, metal tube surface is sprayed-on upper bottom coating to the other end from one end；
2# heating furnace: being shifted to the metal tube being cased on strut by step (4), until the cylinder-shaped burner hearth on 2# heating furnace is complete
Metal tube is covered entirely, 10~20min is integrally heated to metal tube；
Step (5): mobile 2# heating furnace average rate leaves metal tube, exposes cylinder-shaped burner hearth to metal tube, by fabric spray gun
It is directed at metal tube, as the average rate of 2# heating furnace is mobile, metal tube surface is sprayed-on coating above to the other end from one end；
3# heating furnace: being shifted to the metal tube being cased on strut by step (6), until the cylinder-shaped burner hearth on 3# heating furnace is complete
Metal tube is covered entirely, 30~45min is integrally heated to metal tube；
Step (7): closing 1# heating furnace, 2# heating furnace, 3# heating furnace and rotating mechanism, carries out to metal tube cold with furnace
But.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result:
(1) but existing currently, corrosion resistance coating is more used in solves the problems, such as in metal tube surface corrosion
Metal tube hot spraying device is often only suitable in the single coating of metal tube surface spraying, and metal tube hot spraying of the invention
Device and its application method first heat the substrate to be sprayed, and then spray bottom material, burn later to bottom material
Knot solidification, bottom material spray fabric after solidifying levelling, are finally sintered solidification to fabric, whole process carries out automatically, is suitble to
Metal tube surface sprays duplex coating.
(2) in metal tube hot spraying device of the invention, perforation heating in the horizontal direction is equipped on each heating furnace
The structure of the cylinder-shaped burner hearth of furnace interior, the cylindrical shape burner hearth and metal tube is adapted, and heating efficiency is higher, can be easily right
Metal tube carries out whole heating, improves the service life of metal tube surface coating in actual use, and due to cylindrical furnace
Thorax only extends in the horizontal direction, greatly reduces the size of heating furnace in vertical direction, has saved cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the metal tube hot spraying device of embodiment 1；
Fig. 2 is the structural schematic diagram of 1# heating furnace in embodiment 1；
Fig. 3 is the structural schematic diagram of left support in embodiment 1；
Fig. 4 is in embodiment 1 using the structural schematic diagram of the fixed metal tube of scroll chuck；
Fig. 5 is in embodiment 3 using axle sleeve and the structural schematic diagram of the fixed metal tube of screw；
Fig. 6 is the structural schematic diagram of the metal tube hot spraying device of embodiment 4.
Label declaration in schematic diagram: 1, pedestal；2, left support；201, lower bayonet slot；202, upper card slot；3, left-handed shaft；
4, bearing；5, single heating furnace；501, heating furnace handle；502, cylinder-shaped burner hearth；503, resistance wire；504, movable pulley；505, it leads
Line interface；6, mobile motor；7, chain；8, folding rack；9, spray gun presss from both sides；10, single spraying rifle；11, metal tube；12, dextral shaft；
13, rotating electric machine；14, right support；15, temperature control box；1501, Heating Furnace Control line；16, motor control box；1601, mobile motor
Control line；1602, rotating electric machine control line；17, scroll chuck；18, axle sleeve；19, screw；20,1# heating furnace；21,2# is heated
Furnace；22,3# heating furnace；23, bottom material spray gun；24, fabric spray gun.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1~4, the metal tube hot spraying device of the present embodiment, including rotating mechanism, heating mechanism, flush coater
Structure, mobile mechanism, pedestal 1 and strut；Pedestal 1 is used to support a whole set of metal tube hot spraying device, and pedestal 1 is equipped with track,
The track is used for the movement of heating furnace；Heating mechanism is mounted on the track of pedestal 1, and heating mechanism is equipped with spraying mechanism, is moved
Motivation structure is for driving heating mechanism to slide on the track of pedestal 1；Strut passes through heating mechanism, the both ends of strut and whirler
Structure connects, and is cased with metal tube 11 on strut.In specific the present embodiment, rotating mechanism includes left support 2, right support 14, anticlockwise
Axis 3, dextral shaft 12 and rotating electric machine 13, left support 2 and right support 14 are symmetrically distributed in the both ends of pedestal 1, left support 2
Upper end, right support 14 upper end be the card slot that bearing 4 is fixed with inside one, which includes the lower bayonet slot being detachably connected
201 and upper card slot 202, specifically, lower bayonet slot 201 and upper card slot 202 can mutually be fastened, so that forming one therebetween
A cylindrical cavity in order to fixation of the bearing 4 on card slot, is removed；Anticlockwise is installed on the bearing 4 of 2 upper end of left support
Axis 3, left-handed shaft 3 are connected by the left end of clamping device and strut, are equipped with dextral shaft on the bearing 4 of 14 upper end of right support
12, dextral shaft 12 is connected by the right end of clamping device and strut, and in specific the present embodiment, clamping device includes two difference
It is mounted on that left-handed shaft 3, (in the present embodiment, strut is hollow circular-tube, two three-jaw cards to the scroll chuck 17 on dextral shaft 12
Disk 17 is anti-dog chuck, which fix power by strut outward inside strut, can more stably and firmly be consolidated
Determine strut, metal tube 11 is finally enabled to rotate along the central axes of itself, guarantees coating in the uniform spray on 11 surface of metal tube
Apply), i.e., the right end of left-handed shaft 3 is equipped with scroll chuck 17, the left end of the fixed strut of the scroll chuck 17, dextral shaft 12
Left end is equally equipped with scroll chuck 17, the right end of the fixed strut of the scroll chuck 17, can be by strut by scroll chuck 17
It conveniently and efficiently installs/removes on rotating mechanism；The output shaft of rotating electric machine 13 is connect with dextral shaft 12, passes through electric rotating
Machine 13 is able to drive strut and remains a constant speed rotation, that is, the metal tube 11 covered on strut is allowed to remain a constant speed rotation.Mobile mechanism's packet
Mobile motor 6 and chain 7 are included, a mobile motor 6 is respectively and fixedly provided on each heating furnace, the output shaft of each mobile motor 6 is equal
It is connected by chain 7 with the movable pulley 504 of corresponding heating furnace bottom, heating furnace is able to drive in pedestal 1 by mobile motor 6
Average rate is mobile on track；In the present embodiment, mobile motor 6 and rotating electric machine 13 are variable-frequency motor, can be controlled as needed
11 rotation speed of heating furnace movement speed and metal tube.
Heating mechanism includes the heating furnace that one or more are arranged in series, which is used for whole heating metal pipe
11, each heating furnace bottom is equipped with the movable pulley 504 matched with the upper rail of pedestal 1, and each heating furnace top, which is equipped with, to be added
Hot stove handle 501, it is convenient to move heating furnace when needed；It is equipped on each heating furnace and penetrates through inside heating furnace in the horizontal direction
Cylinder-shaped burner hearth 502, uniform winding has resistance wire 503 on the inner wall of the cylindrical shape burner hearth 502, plays the cylinder-shaped burner hearth of heating
The effect of 502 internal metal tubes 11, the outer wall of cylinder-shaped burner hearth 502 wrap up heat-preservation cotton, play to inside cylinder-shaped burner hearth 502 into
The effect of row heat preservation；Strut sequentially passes through the cylinder-shaped burner hearth 502 on each heating furnace, the central axes of strut and each heating furnace
The central axes of upper cylindrical shape burner hearth 502 are overlapped.In specific the present embodiment, heating mechanism includes a heating furnace, this adds
Hot stove is single heating furnace 5, and spraying mechanism includes folding rack 8, spray gun folder 9 and single spraying rifle 10, and the right end of single 5 top of heating furnace is solid
Surely there is folding rack 8, spray gun folder 9 is fixed on the free end of the folding rack 8, single spraying rifle 10 is mounted on the spray of folding rack 8
On rifle folder 9, single spraying rifle 10 can adapt to the spray of different coating for spraying non-viscous paint, spray angle and injection pressure adjustable
It applies and requires.
The metal tube hot spraying device of the present embodiment further includes temperature control box 15 and motor control box 16, and temperature control box 15 passes through
Heating Furnace Control line 1501 is connected with the wire interface 505 on each heating furnace, each wire interface 505 and corresponding cylindrical furnace
The resistance wire 503 wound on 502 inner wall of thorax is connected, and heating furnace heats the metal tube 11 being cased on strut, temperature control box for whole
15 are mainly used for controlling the heating temperature of heating furnace.Motor control box 16 passes through mobile motor control line 1601 and mobile motor 6
Connection, motor control box 16 are connect by rotating electric machine control line 1602 with rotating electric machine 13, and motor control box 16 is for controlling
Mobile motor 6 and rotating electric machine 13 can control the start and stop, positive and negative rotation and revolving speed of two motors.
The application method of the metal tube hot spraying device of the present embodiment, includes the following steps,
Step (1): opening the rotating mechanism switch of rotating electric machine 13 (open) makes the strut rotation that remains a constant speed (allow gold
Belong to pipe 11 to remain a constant speed rotation status, ensure that metal tube 11 is cooled uniformly, spray), the furnace temperature of setting list heating furnace 5 is
Base material treatment temperature 60 C；
Single heating furnace 5: by the driving of mobile motor 6, being shifted to the metal tube 11 being cased on strut by step (2), until
Cylinder-shaped burner hearth 502 on single heating furnace 5 covers metal tube 11 completely, and heating 8min whole to metal tube 11 reaches to substrate
The purpose of preheating；
Step (3): mobile list 5 average rate of heating furnace leaves metal tube 11, exposes cylinder-shaped burner hearth 502 to metal tube 11, will
Single spraying rifle 10 is directed at metal tube 11, and at the uniform velocity moving for single heating furnace 5,11 surface of metal tube is sprayed-on from right end to left end
Upper bottom coating；
Step (4): the furnace temperature that single heating furnace 5 is arranged is 120 DEG C of bottom material sintering curing temperature；
Single heating furnace 5: being shifted to the metal tube 11 being cased on strut by step (5), until the cylindrical furnace on single heating furnace 5
Thorax 502 covers metal tube 11 completely, heating 10min whole to metal tube 11；
Step (6): mobile list 5 average rate of heating furnace leaves metal tube 11, exposes cylinder-shaped burner hearth 502 to metal tube 11, will
Single spraying rifle 10 is directed at metal tube 11, and at the uniform velocity moving for single heating furnace 5,11 surface of metal tube is sprayed-on from right end to left end
Coating above；
Step (7): the furnace temperature that single heating furnace 5 is arranged is 300 DEG C of fabric sintering curing temperature, and single heating furnace 5 is shifted to branch
The metal tube 11 being cased on bar, until the cylinder-shaped burner hearth 502 on single heating furnace 5 covers metal tube 11 completely, to metal tube 11
Whole heating 30min；
Step (8): single heating furnace 5, rotating mechanism are closed, metal tube 11 is carried out to cool to room temperature with the furnace；Metal tube 11
After furnace cooling, drives single heating furnace 5 to leave metal tube 11 by mobile motor 6, two scroll chucks 17 are opened, by metal tube
11 take out.
It is solved the problems, such as in metal tube surface corrosion currently, corrosion resistance coating is more used in, but existing gold
Belong to pipe hot spraying device to be often only suitable in the single coating of metal tube surface spraying, and the metal tube hot spraying of the present embodiment
Device and its application method first heat the substrate to be sprayed, and then spray bottom material, burn later to bottom material
Knot solidification, bottom material spray fabric after solidifying levelling, are finally sintered solidification to fabric, whole process carries out automatically, is suitble to
Metal tube surface sprays duplex coating, and the furnace temperature by the way that single heating furnace 5 is arranged and replacement single spraying rifle 10, also can be realized single layer
Or the spraying of layered coating.
The spraying process requirement sprayed again is first heated according to coating, metal tube needs first to be heated before spraying, but
Allow for metal tube cross section it is smaller, it is longitudinal extend longer feature, whole heat is carried out to it and then needs larger figure
Heating furnace, heating efficiency be not it is very high, in the prior art in view of the above-mentioned problems, propose to metal tube carry out local heating spray again
The mode of the mode of painting, this local heating is comparatively both economical, has saved cost.But inventor is by a large amount of
Experimental studies have found that it is smooth to carry out the coating that the mode that local heating sprays again is easy to cause metal tube surface to spray to metal tube
It is poor to spend, and finally substantially reduces the service life of metal tube surface coating in actual use.And the metal tube of the present embodiment adds
In hot spray apparatus, the cylinder-shaped burner hearth 502 for penetrating through inside heating furnace in the horizontal direction, the cylinder are equipped on each heating furnace
The structure of shape burner hearth 502 and metal tube is adapted, and heating efficiency is higher, easily can be carried out whole heating to metal tube, be mentioned
The service life of high metal pipe surface coating in actual use, and since cylinder-shaped burner hearth 502 is in the horizontal direction
Extend, greatly reduces the size of heating furnace in vertical direction, saved cost.
Metal tube is heated by the way of radiant heating in the prior art, there is a problem of one it is universal, i.e., it is golden
The heating and spraying process for belonging to pipe need substep to carry out, and metal tube takes out from heating furnace by after radiant heating, then by metal tube
It is sprayed, will lead to metal tube in this way and certain temperature drop occur in surface in spraying, metal tube surface on the one hand can be made not to be
It is sprayed at an established temperature, the temperature drop degree of another aspect metal tube surface is different, so that each position of metal tube surface
The coating quality of metal tube surface can all be reduced by setting temperature difference, above-mentioned phenomenon in spraying.And the metal tube of the present embodiment adds
The application method of hot spray apparatus, in step (3), metal tube 11 is integrally heated in step (2) first, so that metal tube 11
It is generally held in an identical temperature, as the average rate of single heating furnace 5 is mobile, cylinder-shaped burner hearth is gradually exposed in metal tube 11
502, and metal tube 11 exposes the part of cylinder-shaped burner hearth 502 and is sprayed-on bottom coating immediately, metal tube 11 does not expose cylinder
The part insulation of shape burner hearth 502, so that temperature drop when 11 surface of metal tube is sprayed-on is minimum, the spraying method of above-mentioned coating is big
The time interval of metal tube 11 heating and spraying is shortened greatly, and the entire outer surface of metal tube 11 is almost in a stationary temperature
It is sprayed-on coat (i.e. 11 surface temperature of metal tube keeps uniformity along its length), realizes metal tube 11 " while adding
The function of hot side spraying ", substantially increases the coating quality of coating；The spraying method of metal tube 11 is similarly in step (6).
It is emphasized that a heating furnace is unable to satisfy 11 entirety of metal tube and adds when the length of metal tube 11 is longer
Multiple heating furnace tandem compounds are got up to be formed an entirety with can be convenient at this time and added to metal tube 11 by the target of heat
Heat realizes the requirement that metal tube 11 integrally heats.
The metal tube hot spraying device of the present embodiment, operation and maintenance is convenient, and metal tube heating and spraying process are equal
Machinery carries out, and is influenced by operator smaller.
Embodiment 2
The application method of the metal tube hot spraying device of the present embodiment, step is substantially the same manner as Example 1, different
Place is: in step (1), the furnace temperature that single heating furnace 5 is arranged is 120 DEG C of base material treatment temperature；In step (2), to metal tube
11 whole heating 20min；In step (4), the furnace temperature that single heating furnace 5 is arranged is 180 DEG C of bottom material sintering curing temperature；Step (5)
In, heating 20min whole to metal tube 11；In step (7), the furnace temperature that single heating furnace 5 is arranged is fabric sintering curing temperature 400
DEG C, heating 45min whole to metal tube 11.
Embodiment 3
In conjunction with Fig. 5, the metal tube hot spraying device of the present embodiment, structure is substantially the same manner as Example 1, difference
It is in and includes two in: clamping device and be separately mounted to left-handed shaft 3, the axle sleeve 18 on dextral shaft 12, opened up on axle sleeve 18
Location hole radially, the positioning hole are equipped with screw 19；In the present embodiment, axle sleeve 18 and screw 19 are another fixed branch
The right end of the mode of bar, i.e., left-handed shaft 3 is equipped with axle sleeve 18, which entangles the left end of strut, and will be propped up with screw 19
The left end of bar is fixed, and the left end of dextral shaft 12 is equally equipped with axle sleeve 18, which entangles the right end of strut, and uses spiral shell
Nail 19 fixes the right end of strut；Strut can conveniently be pacified on rotating mechanism by axle sleeve 18 and screw 19
It fills/removes, and cost is relatively low for the clamping device.
Embodiment 4
In conjunction with Fig. 6, the metal tube hot spraying device of the present embodiment, structure is substantially the same manner as Example 1, difference
Be in: the metal tube hot spraying device of the present embodiment, wherein heating mechanism includes three heating furnaces being arranged in series, this three
A heating furnace being arranged in series is followed successively by 1# heating furnace from one end close to metal tube 11 to the direction far from 11 one end of metal tube
20,2# heating furnace 21,3# heating furnace 22, spraying mechanism include that folding rack 8, spray gun folder 9 and spray gun, 1# heating furnace 20 and 2# add
21 top of hot stove is respectively and fixedly provided with folding rack 8 far from one end of metal tube 11, is respectively and fixedly provided on the free end of each fold bracket 8
Spray gun folder 9, spray gun include bottom material spray gun 23 and fabric spray gun 24, and bottom material spray gun 23 is mounted on the spray gun folder of 20 top of 1# heating furnace
On 9, fabric spray gun 24 is mounted on the spray gun folder 9 of 21 top of 2# heating furnace.
The application method of the metal tube hot spraying device of the present embodiment, includes the following steps,
Step (1): opening rotating mechanism makes strut remain a constant speed rotation, and the furnace temperature of 1# heating furnace 20 is arranged as base material treatment
Temperature 60 C, the furnace temperature that 2# heating furnace 21 is arranged are 120 DEG C of bottom material sintering curing temperature, the furnace temperature of setting 3# heating furnace 22 is face
300 DEG C of sintering curing temperature of material；
1# heating furnace 20: being shifted to the metal tube 11 being cased on strut by step (2), until the cylindrical shape on 1# heating furnace 20
Burner hearth 502 covers metal tube 11 completely, heating 8min whole to metal tube 11；
Step (3): mobile 20 average rate of 1# heating furnace leaves metal tube 11, exposes cylinder-shaped burner hearth 502 to metal tube 11, will
Bottom material spray gun 23 is directed at metal tube 11, and at the uniform velocity moving for 1# heating furnace 20,11 surface of metal tube is equal from one end to the other end
It is sprayed-on bottom coating；
2# heating furnace 21: being shifted to the metal tube 11 being cased on strut by step (4), until the cylindrical shape on 2# heating furnace 21
Burner hearth 502 covers metal tube 11 completely, heating 10min whole to metal tube 11；
Step (5): mobile 21 average rate of 2# heating furnace leaves metal tube 11, exposes cylinder-shaped burner hearth 502 to metal tube 11, will
Fabric spray gun 24 is directed at metal tube 11, and at the uniform velocity moving for 2# heating furnace 21,11 surface of metal tube is equal from one end to the other end
It is sprayed-on coating above；
3# heating furnace 22: being shifted to the metal tube 11 being cased on strut by step (6), until the cylindrical shape on 3# heating furnace 22
Burner hearth 502 covers metal tube 11 completely, heating 30min whole to metal tube 11；
Step (7): closing 1# heating furnace 20,2# heating furnace 21,3# heating furnace 22 and rotating mechanism, carries out to metal tube 11
Furnace cooling.
Although realizing the function of metal tube 11 " spraying of the side Bian Jiare " in embodiment 1, every time to metal tube 11 into
After row spraying, need to reset the furnace temperature of single heating furnace 5 by certain time, therefore metal tube 11 is sprayed-on a coating
Afterwards, the coating of spraying can not be heated immediately, limits the effect of being heating and curing of coating to a certain extent；And this implementation
The metal tube hot spraying device of example includes three heating furnaces being arranged in series and two spray guns, so that metal tube 11 is sprayed in heating
Apply during formed a continuous process, i.e., metal tube 11 heating after the completion of is sprayed immediately, spraying after the completion of immediately into
On the one hand row heating, above-mentioned continuous process substantially reduce the time-consuming of the entire hot spraying process of metal tube 11, improve dress
The production efficiency set more importantly is, realizes between the spraying of metal tube 11, heating process and is closely connected, mentions significantly
The high coating quality of coating.
It is emphasized that can adaptably increase when needing to spray three layers or three layers or more of coating to metal tube 11
Add the quantity of heating furnace and the quantity of spray gun, is realized disposably with this to the target of 11 spraying multi-layer coatings of metal tube.
Embodiment 5
The application method of the metal tube hot spraying device of the present embodiment, step is substantially the same manner as Example 4, different
Place is: in step (1), the furnace temperature of setting 1# heating furnace 20 is 120 DEG C of base material treatment temperature, the furnace that 2# heating furnace 21 is arranged
Temperature is 180 DEG C of bottom material sintering curing temperature, the furnace temperature of setting 3# heating furnace 22 is 400 DEG C of fabric sintering curing temperature；Step (2)
In, heating 20min whole to metal tube 11；In step (4), heating 20min whole to metal tube 11；In step (6), to metal
The whole heating 45min of pipe 11.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (5)
1. a kind of application method of metal tube hot spraying device, it is characterised in that: the metal tube hot spraying device includes
Rotating mechanism, heating mechanism, spraying mechanism, mobile mechanism, pedestal (1) and the strut；The pedestal (1) is equipped with track,
The heating mechanism is mounted on the track of pedestal (1), and heating mechanism is equipped with spraying mechanism, and the mobile mechanism is for driving
Heating mechanism is slided on the track of pedestal (1)；The strut passes through heating mechanism, and the both ends of strut and the rotating mechanism connect
It connects, metal tube (11) is cased on strut；
The rotating mechanism includes left support (2), right support (14), left-handed shaft (3), dextral shaft (12) and rotating electric machine
(13), left support (2) and right support (14) are symmetrically distributed in the both ends of pedestal (1), the upper end of left support (2), right support
(14) upper end is the card slot that bearing (4) are fixed with inside one, which includes the lower bayonet slot (201) being detachably connected and upper
Card slot (202)；Be equipped with left-handed shaft (3) on the bearing (4) of left support (2) upper end, left-handed shaft (3) by clamping device with
One end of strut connects, and is equipped with dextral shaft (12) on the bearing (4) of right support (14) upper end, dextral shaft (12) passes through folder
The other end of tight device and strut connects；The output shaft and left-handed shaft (3) or dextral shaft (12) of the rotating electric machine (13)
Connection；
The heating mechanism includes the heating furnace that one or more are arranged in series, and each heating furnace bottom is equipped with and pedestal
(1) get on the right track the movable pulley (504) matched, and each heating furnace top is equipped with heating furnace handle (501), on each heating furnace
It is equipped with the cylinder-shaped burner hearth (502) for penetrating through inside heating furnace in the horizontal direction, it is uniform on the inner wall of the cylindrical shape burner hearth (502)
It is wound with resistance wire (503), the outer wall of cylinder-shaped burner hearth (502) wraps up heat-preservation cotton；The strut sequentially passes through each heating furnace
On cylinder-shaped burner hearth (502), the central axes of strut are overlapped with the central axes of burner hearth (502) cylinder-shaped on each heating furnace,
Include the following steps, step (1): opening rotating mechanism makes strut remain a constant speed rotation, the furnace temperature of setting list heating furnace (6)
It is 60~120 DEG C of base material treatment temperature；Single heating furnace (6): being shifted to the metal tube (11) being cased on strut by step (2), until
Cylinder-shaped burner hearth (502) on single heating furnace (5) covers metal tube (11) completely, to metal tube (11) integrally heating 8~
20min；Step (3): mobile list heating furnace (6) average rate leaves metal tube (11), exposes cylinder-shaped burner hearth to metal tube (11)
(502), single spraying rifle (10) are directed at metal tube (11), as the average rate of single heating furnace (5) is mobile, metal tube (11) surface is from one
It holds and is sprayed-on upper bottom coating to the other end；Step (4): the furnace temperature that single heating furnace (5) is arranged is bottom material sintering curing temperature
120~180 DEG C；Single heating furnace (5): being shifted to the metal tube (11) being cased on strut by step (5), until on single heating furnace (5)
Cylinder-shaped burner hearth (502) cover metal tube (11) completely, to metal tube (11) integrally heating 10~20min；Step (6): it moves
Dynamic list heating furnace (5) average rate leaves metal tube (11), exposes cylinder-shaped burner hearth (502) to metal tube (11), by single spraying rifle (10)
It is aligned metal tube (11), as the average rate of single heating furnace (5) is mobile, metal tube (11) surface is sprayed-on from one end to the other end
Coating above；Step (7): the furnace temperature that single heating furnace (5) is arranged is 300~400 DEG C of fabric sintering curing temperature, by Dan Jiare
Furnace (5) shifts to the metal tube (11) being cased on strut, until the cylinder-shaped burner hearth (502) on single heating furnace (5) covers gold completely
Belong to pipe (11), 30~45min is integrally heated to metal tube (11)；Step (8): single heating furnace (5) and rotating mechanism are closed, to gold
Belong to pipe (11) and carries out furnace cooling.
2. the application method of metal tube hot spraying device according to claim 1, it is characterised in that: the heating mechanism
Including a heating furnace, which is single heating furnace (5), and the spraying mechanism includes folding rack (8), spray gun folder
(9) and single spraying rifle (10), single heating furnace (5) top are fixed with folding rack (8) close to the one end of metal tube (11), the folding branch
Spray gun folder (9) is fixed on the free end of frame (8), the single spraying rifle (10) is mounted on the spray gun folder (9) of folding rack (8).
3. the application method of metal tube hot spraying device according to claim 1, it is characterised in that: the mobile mechanism
Including mobile motor (6) and chain (7), a mobile motor (6), each mobile motor (6) are respectively and fixedly provided on each heating furnace
Output shaft pass through chain (7) and it is corresponding heating furnace bottom movable pulley (504) connect.
4. the application method of metal tube hot spraying device according to claim 1, it is characterised in that: the clamping device
Left-handed shaft (3), scroll chuck (17) or axle sleeve (18) on dextral shaft (12), the axle sleeve are separately mounted to including two
(18) location hole radially is opened up on, which is equipped with screw (19).
5. the application method of metal tube hot spraying device according to claim 1, it is characterised in that: further include temperature control box
(15) and motor control box (16), the temperature control box (15) pass through the conducting wire on Heating Furnace Control line (1501) and each heating furnace
Interface (505) is connected, resistance wire (503) phase wound on each wire interface (505) and corresponding cylinder-shaped burner hearth (502) inner wall
Even；The motor control box (16) is connect by mobile motor control line (1601) with mobile motor (6), motor control box (16)
It is connect by rotating electric machine control line (1602) with rotating electric machine (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957926.3A CN107470080B (en) | 2016-02-26 | 2016-02-26 | A kind of application method of metal tube hot spraying device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957926.3A CN107470080B (en) | 2016-02-26 | 2016-02-26 | A kind of application method of metal tube hot spraying device |
| CN201610108071.2A CN105562262B (en) | 2016-02-26 | 2016-02-26 | A kind of metal tube hot spraying device |
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| CN201610108071.2A Division CN105562262B (en) | 2016-02-26 | 2016-02-26 | A kind of metal tube hot spraying device |
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| CN107470080A CN107470080A (en) | 2017-12-15 |
| CN107470080B true CN107470080B (en) | 2019-08-16 |
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| CN201610108071.2A Active CN105562262B (en) | 2016-02-26 | 2016-02-26 | A kind of metal tube hot spraying device |
| CN201710957926.3A Active CN107470080B (en) | 2016-02-26 | 2016-02-26 | A kind of application method of metal tube hot spraying device |
| CN201710957963.4A Active CN107755132B (en) | 2016-02-26 | 2016-02-26 | Metal pipe spraying method |
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| CN201610108071.2A Active CN105562262B (en) | 2016-02-26 | 2016-02-26 | A kind of metal tube hot spraying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105935649A (en) * | 2016-06-30 | 2016-09-14 | 苏州市永通不锈钢有限公司 | Film-coating device for inner wall of steel pipe |
| CN106622828B (en) * | 2016-12-01 | 2019-02-05 | 重庆永高塑业发展有限公司 | The spray-painting plant of tubing |
| CN107930909B (en) * | 2017-11-28 | 2019-06-04 | 重庆市合川区云天机械制造有限公司 | Device for painting for central siphon |
| CN108499814B (en) * | 2018-04-27 | 2023-08-18 | 宁夏金梯氟塑防腐设备有限公司 | Centrifugal rotary E-shaped carbon steel piece plastic lining device provided with heat preservation cover |
| CN108855693A (en) * | 2018-08-01 | 2018-11-23 | 繁昌县长城铸造厂（普通合伙） | A kind of continuity metallic conduit outer surface spray equipment |
| CN110364310B (en) * | 2019-08-06 | 2021-04-09 | 河北嘉德电力器材有限公司 | Insulated wire and preparation method and device thereof |
| CN111947503B (en) * | 2020-08-03 | 2022-03-25 | 湖北迪峰换热器股份有限公司 | Heat exchanger core group used in acid-base corrosion environment and coating method thereof |
| CN113134444A (en) * | 2021-04-26 | 2021-07-20 | 河北四伟化学工业有限公司 | Inner wall spraying device for production of main drinking water supply pipeline |
| CN113333212B (en) * | 2021-08-06 | 2021-10-26 | 南通盛世复合材料科技有限公司 | Spraying machine for glass fiber reinforced plastic storage tank |
| CN114632682A (en) * | 2022-03-11 | 2022-06-17 | 昆山优米诺金属科技有限公司 | Spray forming process for fluoropolymer coating on surface of metal part |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107470080A (en) | 2017-12-15 |
| CN105562262A (en) | 2016-05-11 |
| CN107755132B (en) | 2020-05-01 |
| CN107755132A (en) | 2018-03-06 |
| CN105562262B (en) | 2017-11-14 |
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