CN106428912B - A kind of water tank and its production technology - Google Patents

A kind of water tank and its production technology Download PDF

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Publication number
CN106428912B
CN106428912B CN201610889731.5A CN201610889731A CN106428912B CN 106428912 B CN106428912 B CN 106428912B CN 201610889731 A CN201610889731 A CN 201610889731A CN 106428912 B CN106428912 B CN 106428912B
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China
Prior art keywords
water tank
side wall
pedestal
production technology
epoxy resin
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CN201610889731.5A
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Chinese (zh)
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CN106428912A (en
Inventor
赵玉侠
施银峰
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NANTONG BAOTIAN PACKING MACHINERY CO Ltd
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Individual
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Priority to CN201810553736.XA priority Critical patent/CN109021767B/en
Priority to CN201810553756.7A priority patent/CN108706192B/en
Priority to CN201610889731.5A priority patent/CN106428912B/en
Publication of CN106428912A publication Critical patent/CN106428912A/en
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Publication of CN106428912B publication Critical patent/CN106428912B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/34Coverings or external coatings
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03Powdery paints
    • C09D5/033Powdery paints characterised by the additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2244Oxides; Hydroxides of metals of zirconium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a kind of water tank and its production technologies, and including pedestal and the side wall being set on the base, the sidewall upper is equipped with water tank cover;The circular base upper surface edge is equipped with annular lug, and the annular lug is equipped with the annular groove being used for side wall bottom end plugged and fixed;Seal washer, the annular groove edge of opening and sidewall weld are provided between the annular groove and side wall bottom end, the side wall is equipped with inlet and outlet;The pedestal, side wall, water tank top surface are coated with anticorrosion epoxy resin layer.By using water tank described herein, seal washer is also provided with other than being welded and fixed between side wall and pedestal, it can prevent the generation of drainage, tank surface coats anticorrosion epoxy resin layer simultaneously, play hair corrosiveness well, the safety for improving service life and using.

Description

A kind of water tank and its production technology
Technical field
The present invention relates to a kind of water tank and its production technologies.
Background technology
It is well known that existing water-storing tank largely employs the babinet of steel to improve intensity, but the case of steel Body easily causes to corrode in external environment, and reduces the service life.Be particularly in water tank upper end cover be easiest to it is rotten Erosion, using security issues can be caused for the other water tank of some food grades.The bottom of water tank due to bearing larger hydraulic pressure, Drainage is be easy to cause, the prior art is badly in need of a kind of water tank and its production technology with preferable anti-corrosion function.
Invention content
It is an object of the invention to overcome defect in the prior art, a kind of water with preferable anti-corrosion function is provided Case and its production technology.
To achieve the above object, the technical scheme is that providing a kind of water tank, including pedestal and it is arranged on pedestal On side wall, the sidewall upper be equipped with water tank cover;The pedestal is rounded, and the circular base upper surface edge is equipped with Annular lug, the annular lug are equipped with the annular groove being used for side wall bottom end plugged and fixed;The annular groove and side Seal washer, the annular groove edge of opening and sidewall weld are provided between wall bottom end, the side wall is equipped with water inlet And water outlet;The pedestal, side wall, water tank top surface are coated with anticorrosion epoxy resin layer.
By using water tank described herein, it is also provided with other than being welded and fixed between side wall and pedestal Seal washer can prevent the generation of drainage, while tank surface coats anticorrosion epoxy resin layer, play very well Hair corrosiveness, the safety for improving service life and using.
As preference, the pedestal, side wall, water tank cover are carbon steel material.Such material can reduce cost.
As preference, the water tank cover is circle, the water tank cover is equipped with axial through-hole, in the through-hole Filled with inorganic high-temp glue, the inorganic high-temp glue upper and lower ends are Nian Jie with anticorrosion epoxy resin layer.Such design can be with The anticorrosion epoxy resin layer white silk of water tank cover upper and lower ends is improved into an entirety by its adhesion-tight degree by through-hole, Prevent it from coming off.
As preference, the position of annular groove edge of opening and sidewall weld includes the interior welding position being located in side wall With the external welding position outside side wall.Such design can improve bonding strength, can also improve closed intensity.
A kind of production technology of water tank, the production technology of the water tank are the production technologies of water tank described in claim 4, Its production technology includes the following steps:
1), pedestal and side wall connection, the pedestal cast and sidewall surfaces are cleaned, coated in seal washer appearance resistance to High-temperature seal adhesive, and the seal washer for being coated with refractory seals glue is placed on annular groove bottom;By side wall bottom end and ring Connected in star grafting and crush seal washer position pedestal and side wall and fixed;Interior welding position and external welding position are carried out Welding, above-mentioned welding are welded using semi-automatic carbon-dioxide arc welding bonding machine;
2), weld inspection, weld seam is tested using heads for crank detection of ultrasonic bonding lines instrument, detect weld seam inside whether have split Line, be mingled with, stomata, slag inclusion, lack of penetration and incomplete fusion defect, should be up to state standards;The pressure vessel of whole ultrasonic examinations I grade of qualification of butt weld, II grade of qualification of pressure vessel butt weld of local ultrasound wave inspection;
3), pressure testing examine, sidewall upper is sealed, applies two atmospheric pressure into side wall with air pump, by side wall and pedestal It is immersed in water;Water temperature is gradient to 40 DEG C from -40 DEG C, it is each at two end point temperatures to stop 10 minutes, find no bubble It is considered as qualification;
4), water tank cover pretreatment, to water tank cover carry out trepanning, formed through-hole;And water tank top surface is determined Etch pit is formed to corrosion and in water tank top surface;
5), ultrasonic cleaning, by step 3)The side wall and pedestal and step 4 of middle test passes)It is middle to pre-process what is finished Water tank cover is immersed in cleaning solution, ultrasonic power density 0.35w/cm2, scavenging period 5-10min, hot wind after cleaning Drying;
6), coating epoxy resin layer, by side wall and pedestal and water tank cover in the model that preheating temperature is 180-200 DEG C Lower preheating 10 minutes is enclosed, inorganic high-temp glue is filled into through-hole, epoxy resin is passed through into dip-coating, showering or electrostatic spraying Mode coats to steel body surface and forms epoxy resin layer;
7), curing, by step 6)In workpiece after 180 degree -220 spends high-temperature baking about 15 minutes melting levelling and then Curing.
The anti-corruption of side wall and pedestal and water tank cover can be greatly improved by using production technology described herein Corrosion energy, the erosion of the strong adhesive force of epoxy resin, effectively resistance external substance.Babinet can be improved by ultrasonic cleaning to apply Cleannes before covering, so as to improve the adhesive force of epoxy resin and metal surface, the preheating of certain time can also improve coating Effect.
As preference, the step 6)The raw material of the epoxy resin layer spraying of middle coating is epoxy powder coating, Spraying method is electrostatic spraying, and the parts by weight of epoxy powder coating constitutive material are:Thermosetting acrylic resin 43, ureaformaldehyde Resin 26, E-44 epoxy resin 58, sepiolite powder 33, active powdered carbon 7, zirconium oxide 7, methenamine 4,9 and of sodium lignin sulfonate Film forming agent 7.Epoxy powder in the application is employed using thermosetting acrylic resin as primary raw material, and first choice improves powder The attachment degree at end, there is good mechanical strength and electric insulating quality, and hygienic environment-protecting;Zirconium oxide and film forming agent are added to simultaneously, Enhance the Combination between each raw material, while improve the surface levelling of powdery paints, there is high gloss retention, improve powder painting The dicoration of material.
As preference, step 5)In cleaning solution constituent be:Fatty alcohol polyoxyethylene ether 6%, coconut oil alkanol acyl Amine 9%, triethanolamine oleate 3%, monoethanolamine 9%, benzotriazole 1%, EDTA- disodiums 2% and water 70%.Such cleaning solution is clear It is best to wash effect, with ultrasonic waveform into the stronger combined type cleaning of cleaning ability, by the greasy dirt of steel body surface, grease, salinity, impure The chlorination iron tramp generated in substance and its water tank cover preprocessing process.
As preference, step 4)In directional etching realized by directional etching membrane module, the directional etching film Component includes compound membrane body, and the composite membrane body forms the corrosion bag for accommodating water tank cover, and the corrosion bag is equipped with opening, The opening is equipped with sealing strip;The compound membrane body includes outer layer membrane body and the internal layer membrane body with outer membrane bluk recombination, described interior Tunic body surface face is equipped with foam, has hydrochloric acid solution in the foam, one-way sucting valve is additionally provided on the compound membrane body;
Directional etching step includes the following steps:Water tank cover is put into corrosion bag, passes through the sealing strip of opening by a Opening is sealed;B, the evacuating air that vaccum-pumping equipment is connect with one-way sucting valve and will be corroded in bag, stops vacuumizing;C, Foam is squeezed by external force and is ruptured so that hydrochloric acid solution in foam and water tank cover carbon steel haptoreaction simultaneously generate corrosion Hole;Sealing strip is dismantled and takes out water tank cover by d, then carries out subsequent ultrasonic cleaning again.
Such forms of corrosion, has discharged the influence of other extraneous gases and impurity, and reaction becomes controllable;Inner layer film simultaneously The foam position in body surface face can realize just genuine directional etching by reasonably designing;Pass through the steel part after directional etching Surface generates etch pit, and steel part attaching surface product is increased in subsequent spraying, improves adhesion-tight degree.
As preference, the sealing strip includes strip and the card slot with strip cooperation, the strip and card slot are set respectively It puts on two layers of compound membrane body of opening.Such design is conducive to disassembling section.
As preference, step 6)In spraying is compensated to etch pit.Such design is conducive to be formed in steel piece surface Relatively smooth even curface.
The advantages of the present invention are:By using water tank described herein, between side wall and pedestal Seal washer is also provided with other than being welded and fixed, the generation of drainage can be prevented, while tank surface sprays Anticorrosion epoxy resin layer plays hair corrosiveness well, the safety that improves service life and use;By making Side wall and pedestal and the corrosion resistance of water tank cover, asphalt mixtures modified by epoxy resin can be greatly improved with production technology described herein The strong adhesive force of fat effectively resists the erosion of external substance.Cleannes before babinet coating can be improved by ultrasonic cleaning, So as to improve the adhesive force of epoxy resin and metal surface, the preheating of certain time can also improve coating effect.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Structure enlargement diagram at A in this Fig. 1 of Fig. 2;
Structure enlargement diagram at B in this Fig. 1 of Fig. 3;
Fig. 4 is directional etching membrane module structure schematic diagram of the present invention;
Fig. 5 is anti-fake two-dimension code figure of the present invention into structure diagram;
Fig. 6 supplements plate structure schematic diagram of impressing for the present invention.
In figure:1st, pedestal;2nd, side wall;3rd, water tank cover;4th, annular lug;5th, annular groove;6th, seal washer;7th, it intakes Mouthful;8th, water outlet;9th, through-hole;10th, anticorrosion epoxy resin layer;11st, inorganic high-temp glue;12nd, interior welding position;13rd, external welding Position;14th, outer layer membrane body;15th, internal layer membrane body;17th, sealing strip;18th, one-way sucting valve;19th, foam;20th, strip;21st, card slot; 30th, anti-fake two-dimension code base map;31st, plate of impressing is supplemented;32nd, convex block of impressing is supplemented;33rd, anti-fake two-dimension code figure;34th, posting;35、 Frame;36th, supplemental information.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is further described.Following embodiment is only For clearly illustrating technical scheme of the present invention, and it is not intended to limit the protection scope of the present invention and limits the scope of the invention.
As shown in figs 1 to 6, a kind of water tank, including pedestal 1 and the side wall 2 being arranged on pedestal 1,2 upper end of side wall Equipped with water tank cover 3;The pedestal 1 is rounded, and circular 1 top surface edge of pedestal is equipped with annular lug 4, the annular Convex block 4 is equipped with the annular groove 5 being used for 2 bottom end plugged and fixed of side wall;The annular groove 5 and side wall are set between 2 bottom end Seal washer 6 is equipped with, 5 edge of opening of annular groove is welded with side wall 2, and the side wall 2 is equipped with water inlet 7 and water outlet 8;The pedestal 1, side wall 2,3 surface of water tank cover are coated with anticorrosion epoxy resin layer 10.
The pedestal 1, side wall 2, water tank cover 3 are carbon steel material.
The water tank cover 3 is circle, and the water tank cover 3 is equipped with axial through-hole 9, is filled in the through-hole 9 Inorganic high-temp glue 11,11 upper and lower ends of inorganic high-temp glue are be bonded with anticorrosion epoxy resin layer 10.
5 edge of opening of annular groove includes the interior welding position 12 being located in side wall 2 and side wall with the position that side wall 2 welds External welding position 13 outside 2.
A kind of production technology of water tank, the production technology of the water tank are the production technologies of water tank described in claim 4, Its production technology includes the following steps:
1), pedestal 1 and side wall 2 connection, by 2 surface cleaning of the pedestal 1 cast and side wall, in 6 appearance of seal washer Refractory seals glue is coated, and the seal washer 6 for being coated with refractory seals glue is placed on 5 bottom of annular groove;By side wall 2 Bottom end and 5 grafting of annular groove and crush seal washer 6, position and fix to pedestal 1 and side wall 2;By interior 12 He of welding position External welding position 13 is welded, and above-mentioned welding is welded using semi-automatic carbon-dioxide arc welding bonding machine;
2), weld inspection, weld seam is tested using heads for crank detection of ultrasonic bonding lines instrument, detect weld seam inside whether have split Line, be mingled with, stomata, slag inclusion, lack of penetration and incomplete fusion defect, should be up to state standards;The pressure vessel of whole ultrasonic examinations I grade of qualification of butt weld, II grade of qualification of pressure vessel butt weld of local ultrasound wave inspection;
3), pressure testing examine, by 2 upper end of side wall seal, apply two atmospheric pressure into side wall 2 with air pump, by side wall 2 and bottom Seat 1 is immersed in water;Water temperature is gradient to 40 DEG C from -40 DEG C, it is each at two end point temperatures to stop 10 minutes, find no gas Bubble is considered as qualification;
4), water tank cover 3 pre-process, to water tank cover 3 carry out trepanning, formed through-hole 9;And by 3 surface of water tank cover into Row directional etching simultaneously forms etch pit on 3 surface of water tank cover;
5), ultrasonic cleaning, by step 3)The side wall 2 and pedestal 1 and step 4 of middle test passes)Middle pretreatment finishes Water tank cover 3 immerse cleaning solution in, ultrasonic power density 0.35w/cm2, scavenging period 5-10min, after cleaning Hot-air seasoning;
6), coating epoxy resin layer, in preheating temperature be 180-200 DEG C by side wall 2 and pedestal 1 and water tank cover 3 It is preheated 10 minutes under range, inorganic high-temp glue 11 is filled into through-hole 9, epoxy resin is passed through into dip-coating, showering or electrostatic The mode of spraying coats to steel body surface and forms epoxy resin layer;Wherein step 6)Middle 11 each component of inorganic high-temp glue used and Parts by weight are:MgO5 parts, ZnO5 parts, Zr022 parts, A12031 part, 0.2 part of sodium hydroxide, 2 parts of boric acid, 0.08 part of thickener, two 0.2 part of iron oxide.Such component is more environmentally friendly, and high temperature resistant is up to 2000 DEG C or more.
7), curing, by step 6)In workpiece after 180 degree -220 spends high-temperature baking about 15 minutes melting levelling and then Curing.
The step 6)The raw material of the epoxy resin layer spraying of middle coating is epoxy powder coating, and spraying method is quiet Electrospray, the parts by weight of epoxy powder coating constitutive material are:Thermosetting acrylic resin 43, Lauxite 26, E-44 Epoxy resin 58, sepiolite powder 33, active powdered carbon 7, zirconium oxide 7, methenamine 4, sodium lignin sulfonate 9 and film forming agent 7.
Step 5)In cleaning solution constituent be:Fatty alcohol polyoxyethylene ether 6%, coconut oil alkanolamide 9%, oleic acid three Ethanol amine 3%, monoethanolamine 9%, benzotriazole 1%, EDTA- disodiums 2% and water 70%.
Step 4)In directional etching realized by directional etching membrane module, the directional etching membrane module include it is compound Membrane body, the composite membrane body form the corrosion bag for accommodating water tank cover 3, and the corrosion bag is equipped with opening, the opening Equipped with sealing strip 17;The compound membrane body includes outer layer membrane body 14 and the internal layer membrane body 15 with outer membrane bluk recombination, the inner layer film 15 surface of body is equipped with foam 19, has hydrochloric acid solution in the foam 19, one-way sucting valve 18 is additionally provided on the compound membrane body;
Directional etching step includes the following steps:Water tank cover 3 is put into corrosion bag, passes through the sealing strip of opening by a 17 seal opening;B, the evacuating air that vaccum-pumping equipment is connect with one-way sucting valve 18 and will be corroded in bag stop taking out true It is empty;Foam 19 is squeezed rupture by c by external force so that hydrochloric acid solution and 3 carbon steel haptoreaction of water tank cover in foam 19 are simultaneously Generate etch pit;Sealing strip 17 is dismantled and takes out water tank cover 3 by d, then carries out subsequent ultrasonic cleaning again.
Step 4)In outer layer membrane body 14 for PE outer membranes, thickness 0.3mm, internal layer membrane body 15 is PE inner membrances, and thickness is 0.1mm, 19 wall thickness of foam of the foam 19 are 0.05 ~ 0.1mm, and single 19 volume of foam is 0.01 ~ 0.04ml, institute It is 5% ~ 15% to state hydrochloric acid solution mass fraction;The directional etching time is 10 seconds to 60 seconds.
The sealing strip 17 includes strip 20 and the card slot 21 coordinated with strip 20, and the strip 20 and card slot 21 are set respectively It puts on two layers of compound membrane body of opening.
Step 6)In spraying is compensated to etch pit.
As a kind of optimization, in order to improve the antifalse effect of water tank(Existing product is easily prevented from after putting goods on the market, In order to avoid being imitated), equipped with anti-fake component, the anti-fake component includes anti-fake two-dimension code base map 30 and supplements the water tank It impresses plate 31, supplement plate 31 of impressing is equipped with supplement and impresses convex block 32, and the supplement is impressed plate 31 and anti-fake two-dimension code bottom Figure 30 cooperations are when impressing, and supplemental information 36 is impressed on anti-fake two-dimension code base map 30 and forms anti-fake two by supplement convex block 32 of impressing Tie up code Figure 33.30 outer rim of anti-fake two-dimension code base map is equipped with posting 34, described to supplement impress 31 outer rim of plate and posting 34 Cooperation positioning, the supplement impresses 31 bottom of plate equipped with the frame 35 identical with convex block thickness of impressing, convenient for the stability impressed. 30 Quick Response Code of anti-fake two-dimension code base map is matrix arrangement, is composed of multiple black information points, and centre is also distributed with Blank spot, the supplemental information 36 impresses one or more information point forms new information combination on blank spot, so as to Change 2 D code information.Quick Response Code is arranged for signal in Fig. 5, not practical Quick Response Code arrangement mode.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as the protection domain of invention.

Claims (9)

1. a kind of production technology of water tank, it is characterised in that:The production technology includes the following steps:
1), pedestal and side wall connection, the pedestal cast and sidewall surfaces are cleaned, high temperature resistant is coated in seal washer appearance Fluid sealant, and the seal washer for being coated with refractory seals glue is placed on annular groove bottom;Side wall bottom end and annular is recessed Slot grafting and crush seal washer position pedestal and side wall and fixed;Interior welding position and external welding position are welded, Above-mentioned welding is welded using semi-automatic carbon-dioxide arc welding bonding machine;
2), weld inspection, weld seam is tested using heads for crank detection of ultrasonic bonding lines instrument, detect weld seam inside whether have crackle, Be mingled with, stomata, slag inclusion, lack of penetration and incomplete fusion defect, should be up to state standards;The pressure vessel docking of whole ultrasonic examinations I grade of qualification of weld seam, II grade of qualification of pressure vessel butt weld of local ultrasound wave inspection;
3), pressure testing examine, sidewall upper is sealed, applies two atmospheric pressure into side wall with air pump, by side wall and pedestal submergence Yu Shuizhong;Water temperature is gradient to 40 DEG C from -40 DEG C, it is each at two end point temperatures to stop 10 minutes, it finds no bubble and is considered as It is qualified;
4), water tank cover pretreatment, to water tank cover carry out trepanning, formed through-hole;And water tank top surface is oriented corruption It loses and forms etch pit in water tank top surface, directional etching is realized by directional etching membrane module, the directional etching film Component includes compound membrane body, and the composite membrane body forms the corrosion bag for accommodating water tank cover, and the corrosion bag is equipped with opening, The opening is equipped with sealing strip;The compound membrane body includes outer layer membrane body and the internal layer membrane body with outer membrane bluk recombination, described interior Tunic body surface face is equipped with foam, has hydrochloric acid solution in the foam, one-way sucting valve is additionally provided on the compound membrane body;
Directional etching step includes the following steps:Water tank cover is put into corrosion bag, will be opened by the sealing strip of opening by a Mouth sealing;B, the evacuating air that vaccum-pumping equipment is connect with one-way sucting valve and will be corroded in bag, stops vacuumizing;C passes through External force, which squeezes foam, to be ruptured so that hydrochloric acid solution in foam and water tank cover carbon steel haptoreaction simultaneously generate etch pit;D, Sealing strip is dismantled and takes out water tank cover, then carries out subsequent ultrasonic cleaning again;
5), ultrasonic cleaning, by step 3)The side wall and pedestal and step 4 of middle test passes)It is middle to pre-process the water tank finished Cover is immersed in cleaning solution, ultrasonic power density 0.35w/cm2, scavenging period 5-10min, and hot wind dries after cleaning It is dry;
6), coating epoxy resin layer, by side wall and pedestal and water tank cover in the case where preheating temperature is 180-200 DEG C of range Preheating 10 minutes, inorganic high-temp glue is filled into through-hole, by epoxy resin by way of dip-coating, showering or electrostatic spraying Coating to steel body surface forms epoxy resin layer;
7), curing, by step 6)In workpiece after 180 degree -220 spends high-temperature baking about 15 minutes melting levelling and then solid Change.
2. the production technology of water tank as described in claim 1, it is characterised in that:The step 6)The epoxy resin layer of middle coating The raw material of spraying is epoxy powder coating, and spraying method is electrostatic spraying, the weight of epoxy powder coating constitutive material Measuring part is:Thermosetting acrylic resin 43, Lauxite 26, E-44 epoxy resin 58, sepiolite powder 33, active powdered carbon 7, oxidation Zirconium 7, methenamine 4, sodium lignin sulfonate 9 and film forming agent 7.
3. the production technology of water tank as claimed in claim 2, it is characterised in that:Step 5)In cleaning solution constituent be: Fatty alcohol polyoxyethylene ether 6%, coconut oil alkanolamide 9%, triethanolamine oleate 3%, monoethanolamine 9%, benzotriazole 1%, EDTA- disodiums 2% and water 70%.
4. the production technology of water tank as described in claim 1, it is characterised in that:The sealing strip includes strip and matches with strip The card slot of conjunction, the strip and card slot are separately positioned on two layers of compound membrane body of opening.
5. the production technology of water tank as claimed in claim 3, it is characterised in that:Step 6)In spray is compensated to etch pit It applies.
6. the production technology of water tank as described in claim 1, it is characterised in that:The water tank includes pedestal and is arranged on pedestal On side wall, the sidewall upper be equipped with water tank cover;The pedestal is rounded, and the circular base upper surface edge is equipped with Annular lug, the annular lug are equipped with the annular groove being used for side wall bottom end plugged and fixed;The annular groove and side Seal washer, the annular groove edge of opening and sidewall weld are provided between wall bottom end, the side wall is equipped with water inlet And water outlet;The pedestal, side wall, water tank top surface are coated with anticorrosion epoxy resin layer.
7. the production technology of water tank as claimed in claim 5, it is characterised in that:The pedestal, side wall, water tank cover are carbon Steel material.
8. the production technology of water tank as claimed in claims 6 or 7, it is characterised in that:The water tank cover is equipped with axial Through-hole, the through-hole is interior to be filled with inorganic high-temp glue, and the inorganic high-temp glue upper and lower ends are Nian Jie with anticorrosion epoxy resin layer.
9. such as the production technology of water tank described in claim 5 or 6, it is characterised in that:The annular groove edge of opening and side The position of wall welding includes the interior welding position being located in side wall and the external welding position outside side wall.
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