CN104607377A - Metal tank for air conditioner outdoor unit and anti-corrosion treatment process of metal tank - Google Patents
Metal tank for air conditioner outdoor unit and anti-corrosion treatment process of metal tank Download PDFInfo
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- CN104607377A CN104607377A CN201510059188.1A CN201510059188A CN104607377A CN 104607377 A CN104607377 A CN 104607377A CN 201510059188 A CN201510059188 A CN 201510059188A CN 104607377 A CN104607377 A CN 104607377A
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Abstract
The invention discloses an anti-corrosion treatment process of a metal tank for an air conditioner outdoor unit and the metal tank for the air conditioner outdoor unit. The anti-corrosion treatment process includes the following steps of firstly, conducting phosphating on the outer surface of the metal tank; secondly, coating the outer surface of the metal tank with epoxy oxygen and rich zinc paint so that an epoxy oxygen and rich zinc coating can be formed; thirdly, coating the epoxy oxygen and rich zinc coating with anti-corrosion paint so that a surface anti-corrosion coating can be formed. Through the anti-corrosion treatment process, the corrosion resistance of the metal tank can be greatly improved, the service life of the metal tank can be prolonged, and maintenance expenses can be reduced for air conditioner manufacturers and users.
Description
Technical field
The present invention relates to the metal can for air-conditioner outdoor unit, also relate to the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit.
Background technology
There is the defect of corrosion-resistant in the existing metal can for air-conditioner outdoor unit.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of anticorrosion treatment technology of the metal can for air-conditioner outdoor unit.
The invention allows for a kind of metal can for air-conditioner outdoor unit.
The anticorrosion treatment technology of the metal can for air-conditioner outdoor unit of embodiment according to a first aspect of the present invention comprises the following steps: S1: carry out phosphorating treatment to the outer surface of described metal can; S2: be coated in by epoxy zinc-enriched paint on the outer surface of described metal can, to form epoxy zinc-rich coating; And S3: in described epoxy zinc-rich coating, apply anticorrosive paint to form surface anticorrosion coating.
By utilizing the anticorrosion treatment technology according to the metal can for air-conditioner outdoor unit of the embodiment of the present invention, thus greatly can improve the decay resistance of metal can, and then the service life of metal can be improved, reduce the maintenance expense of air-conditioning manufacturer, user.
In addition, the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to some embodiments of the present invention, described epoxy zinc-enriched paint comprises novolac epoxy resin, epoxy resin and zinc powder.
According to some embodiments of the present invention, described epoxy zinc-enriched paint comprises the zinc powder of the novolac epoxy resin of 1 mass parts, the epoxy resin of 1-30 mass parts and 1-25 mass parts.
According to some embodiments of the present invention, described epoxy zinc-enriched paint comprises flexibilizer further, and the mass ratio of described novolac epoxy resin and described flexibilizer is 1:0.01-1.
According to some embodiments of the present invention, the thickness of described epoxy zinc-rich coating is 40 microns-100 microns.
According to some embodiments of the present invention, described epoxy zinc-rich coating is solidified 10 minutes-15 minutes at the temperature of 150 degrees Celsius-250 degrees Celsius.
According to some embodiments of the present invention, described phosphorating treatment comprises and carries out oil removing, washing, phosphatization and drying to the outer surface of described metal can, and described epoxy zinc-rich coating applies epoxy-polyester coating or pure polyester coating.
According to some embodiments of the present invention, described metal can comprises tank body, metal tube and the gripper shoe be welded on described tank body, described tank body has flange, described metal tube is welded on described flange, crack is formed between described tank body and described gripper shoe, described anticorrosion treatment technology comprises further: at the first weld of the flange of described metal tube and described tank body and the second weld coated with resins adhesive of described gripper shoe and described tank body to form the first resin adhesive layer, the part of the part relative with described crack of described tank body and the relative with described crack of described gripper shoe applies described resin adhesive to form the second resin adhesive layer.
The metal can for air-conditioner outdoor unit of embodiment according to a second aspect of the present invention comprises: body; Epoxy zinc-rich coating, described epoxy zinc-rich coating is located on the outer surface of described body; With surface anticorrosion coating, described surface anticorrosion coating is located in described epoxy zinc-rich coating.
According to some embodiments of the present invention, described body comprises: tank body, and described tank body has flange; Metal tube, described metal tube is welded on described flange; And gripper shoe, described gripper shoe is welded on described tank body, forms crack between described tank body and described gripper shoe, and wherein said epoxy zinc-rich coating is located on the outer surface of each in described tank body, described metal tube and described gripper shoe; Described metal can comprises the first resin adhesive layer and the second resin adhesive layer further, described first resin adhesive layer is located at the first weld of described metal tube and described tank body and the second weld of described gripper shoe and described tank body, and described second resin adhesive layer is located in the part of the part relative with described crack of described tank body and the relative with described crack of described gripper shoe.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the flow chart of the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to the embodiment of the present invention;
Fig. 2 is the structural representation of the metal can for air-conditioner outdoor unit according to the embodiment of the present invention.
Reference numeral:
Metal can 1, body 10,
Tank body 101, flange 1011, metal tube 102, gripper shoe 103, first resin adhesive layer 104, second resin adhesive layer 105
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The anticorrosion treatment technology of the metal can 1 for air-conditioner outdoor unit according to the embodiment of the present invention is described with reference to the accompanying drawings.As shown in Figure 1, comprise the following steps according to the anticorrosion treatment technology of the metal can 1 for air-conditioner outdoor unit of the embodiment of the present invention:
Phosphorating treatment is carried out to the outer surface of metal can 1, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form epoxy zinc-rich coating, this epoxy zinc-rich coating applies anticorrosive paint to form surface anticorrosion coating.
This epoxy zinc-enriched paint possesses shielding action, electrochemical protection, film selfreparing and passivation.Anticorrosion treatment technology according to the metal can 1 for air-conditioner outdoor unit of the embodiment of the present invention passed through before carrying out face painting, the outer surface of metal can 1 applies epoxy zinc-enriched paint to form epoxy zinc-rich coating, and in this epoxy zinc-rich coating, carry out face painting, thus greatly can improve the decay resistance of metal can 1.
What is more important, this epoxy zinc-enriched paint and other coating can be compatible, and this epoxy zinc-rich coating has synergy with the surface anticorrosion coating be coated in above it.Specifically, this surface anticorrosion coating and this epoxy zinc-rich coating with the use of time service life be this surface anticorrosion coating be used alone time more than 1.5 times of service life.
Therefore, by utilizing the anticorrosion treatment technology according to the metal can 1 for air-conditioner outdoor unit of the embodiment of the present invention, thus greatly can improve the decay resistance of metal can 1, and then the service life of metal can 1 can be improved, reduce the maintenance expense of air-conditioning manufacturer, user.
Anticorrosion treatment technology according to the metal can 1 for air-conditioner outdoor unit of some embodiments of the present invention comprises the following steps:
First, phosphorating treatment is carried out to the outer surface of metal can 1, so that the outer surface of clean metal tank 1.Described phosphorating treatment can comprise oil removing, washing, phosphatization and drying.In other words, successively oil removing, washing, phosphatization and drying are carried out to the outer surface of metal can 1.Described phosphorating treatment can be identical with known phosphorating treatment, and have nothing to do with the inventive point of the application, therefore no longer describes in detail.
Then, by electrostatic spraying, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form epoxy zinc-rich coating.This epoxy zinc-rich coating can be solidified 10 minutes-15 minutes at the temperature of 150 degrees Celsius-250 degrees Celsius.
Advantageously, this epoxy zinc-rich coating can be solidified 13 minutes at the temperature of 200 degrees Celsius.
Finally, this epoxy zinc-rich coating applies anticorrosive paint to form surface anticorrosion coating.Wherein, the method applying anticorrosive paint in the application can be identical with the method for known coating anticorrosive paint, and have nothing to do with the inventive point of the application, therefore no longer describes in detail.Such as, apply epoxy-polyester coating or pure polyester coating by electrostatic spraying in this epoxy zinc-rich coating, namely this anticorrosive paint is epoxy-polyester coating or pure polyester coating.
This epoxy zinc-enriched paint can comprise novolac epoxy resin, epoxy resin and zinc powder.This epoxy zinc-enriched paint can be made thus to have better shielding action, electrochemical protection, film selfreparing and passivation.
Wherein, this epoxy zinc-enriched paint comprises the zinc powder of the novolac epoxy resin of 1 mass parts, the epoxy resin of 1-30 mass parts and 1-25 mass parts.
Preferably, this epoxy zinc-enriched paint comprises the zinc powder of the novolac epoxy resin of 1 mass parts, the epoxy resin of 5-25 mass parts and 5-20 mass parts.
More preferably, this epoxy zinc-enriched paint comprises the zinc powder of the novolac epoxy resin of 1 mass parts, the epoxy resin of 10-20 mass parts and 10-15 mass parts.
Most preferably, this epoxy zinc-enriched paint comprises the zinc powder of the novolac epoxy resin of 1 mass parts, the epoxy resin of 15 mass parts and 12 mass parts.
In an example of the present invention, this epoxy zinc-enriched paint comprises flexibilizer further, and the mass ratio of novolac epoxy resin and flexibilizer is 1:0.01-1.
Preferably, the mass ratio of novolac epoxy resin and flexibilizer is 1:0.1-0.5.More preferably, the mass ratio of novolac epoxy resin and flexibilizer is 1:0.2-0.4.Most preferably, the mass ratio of novolac epoxy resin and flexibilizer is 1:0.3.
Particularly, flexibilizer can be selected from carboxyl LNBR, carboxyl end of the liquid acrylonitrile-butadiene rubber, polysulfide rubber, liquid silastic, polyethers, polysulfones, polyimides, nano-calcium carbonate or nano titanium oxide.
This epoxy zinc-enriched paint can also comprise curing agent, curing accelerator, levelling agent, degasser, flow improver additive, filler etc.
The thickness of this epoxy zinc-rich coating can be 40 microns-100 microns.When guaranteeing the decay resistance of this epoxy zinc-rich coating, the preparation cost of this epoxy zinc-rich coating can be reduced thus.
Preferably, the thickness of this epoxy zinc-rich coating can be 60 microns-80 microns.More preferably, the thickness of this epoxy zinc-rich coating can be 70 microns.
As shown in Figure 2, metal can 1 can comprise tank body 101, metal tube 102 and gripper shoe 103.Tank body 101 has flange 1011, and metal tube 102 is welded on flange 1011.Gripper shoe 103 is welded on tank body 101, forms crack between tank body 101 and gripper shoe 103.
Specifically, as shown in Figure 2, tank body 101 is provided with for the through hole through metal tube 102, and flange 1011 is located at the edge of this through hole.
Find after present inventor in depth studies: the coating coverage of the second weld of the flange 1011 of tank body 101 and the first weld of metal tube 102 and tank body 101 and gripper shoe 103 is low, paint solidification process exists in liquid form, and coating cannot cover the second weld of the flange 1011 of tank body 101 and the first weld of metal tube 102 and tank body 101 and gripper shoe 103 effectively.And during electrostatic spraying, the crack between gripper shoe 103 and tank body 101 forms Faraday effect under strong electric field, and powder cannot enter into the inside of this crack, thus cause structure in this crack without coating protection, be directly exposed in air.
The second weld of the first weld of the flange 1011 of tank body 101 and metal tube 102, gripper shoe 103 and tank body 101 and the crack between gripper shoe 103 and tank body 101 is caused to become the short slab of the corrosion resistance of metal can 1 thus.Especially in the region of coastal area or heavy contamination, often there is the fault such as coating failure, tank body 101 corrosion leakage in metal can 1, causes air conditioner to lose efficacy.
In examples more of the present invention, anticorrosion treatment technology according to the metal can 1 for air-conditioner outdoor unit of the embodiment of the present invention comprises further: at the second weld coated with resins adhesive of the first weld of metal tube 102 and the flange 1011 of tank body 101 and gripper shoe 103 and tank body 101 to form the first resin adhesive layer 104, at the part coated with resins adhesive of the part relative with this crack of tank body 101 and the relative with this crack of gripper shoe 103 to form the second resin adhesive layer 105.There is the metal can 1 of the first resin adhesive layer 104 and the second resin adhesive layer 105 as shown in Figure 2.
Not only greatly can improve the decay resistance of the second weld of the flange 1011 of tank body 101 and the first weld of metal tube 102 and tank body 101 and gripper shoe 103 thus, and greatly can improve the decay resistance of the part relative with this crack of metal can 1, thus the decay resistance of metal can 1 can be improved further.
In an example of the present invention, as shown in Figure 2, first resin adhesive layer 104 covers the part of this first weld of vicinity of flange 1011 and metal tube 102, and the first resin adhesive layer 104 also covers the part of the part of this second weld of vicinity of tank body 101 and vicinity second weld of gripper shoe 103.That is, the first resin adhesive layer 104 cover on whole flange 1011, the neighboring area of this first weld and the neighboring area of this second weld.
The decay resistance of the second weld of the flange 1011 of tank body 101 and the first weld of metal tube 102 and tank body 101 and gripper shoe 103 can be improved thus further, thus the decay resistance of metal can 1 can be improved further.
As shown in Figure 2, advantageously, the second resin adhesive layer 105 is full of crack, is full of the second resin adhesive layer 105 in the crack namely between tank body 101 and gripper shoe 103.The decay resistance of the part relative with this crack of metal can 1 can be improved thus further, thus the decay resistance of metal can 1 can be improved further.
This resin adhesive comprises component A and B component, and this component A comprises resin, inorganic filler and reactive diluent.Wherein, this resin comprises at least one in novolac epoxy resin, polyurethane resin, acrylic resin and nitro compound, and this inorganic filler comprises at least one in aluminium oxide, silica white and flake asbestos, and this reactive diluent is epoxy propane butyl ether.This B component comprises polyamide-based curing agent and curing accelerator.
Specifically, this resin adhesive comprises the component A of 1-2 mass parts and the B component of 1-2 mass parts.Advantageously, this resin adhesive comprises the component A of 1 mass parts and the B component of 1 mass parts.In other words, this component A and this B component mix according to the mass ratio of 1:1.
In a concrete example of the present invention, this component A comprises the reactive diluent of the resin of 60wt%-70wt%, the inorganic filler of 20wt%-30wt% and 10wt%-20wt%.Preferably, this component A comprises the reactive diluent of the resin of 65wt%, the inorganic filler of 25wt% and 10wt%.
This B component comprises the polyamide-based curing agent of 80wt%-90wt% and the curing accelerator of 10wt%-20wt%.Preferably, this B component comprises the polyamide-based curing agent of 85wt% and the curing accelerator of 15wt%.
Present invention also offers a kind of metal can 1 for air-conditioner outdoor unit.As shown in Figure 2, body 10, epoxy zinc-rich coating (not shown) and surface anticorrosion coating (not shown) is comprised according to the metal can 1 for air-conditioner outdoor unit of the embodiment of the present invention.This epoxy zinc-rich coating is located on the outer surface of body 10, and this surface anticorrosion coating is located in this epoxy zinc-rich coating.
The metal can 1 for air-conditioner outdoor unit according to the embodiment of the present invention passes through on the outer surface of body 10, to arrange this epoxy zinc-rich coating and arrange this surface anticorrosion coating in this epoxy zinc-rich coating, thus greatly can improve the decay resistance of metal can 1, and then the service life of metal can 1 can be improved, reduce the maintenance expense of air-conditioning manufacturer, user.
Can be gas-liquid separator, filter, compressor etc. according to the metal can 1 for air-conditioner outdoor unit of the embodiment of the present invention.
As shown in Figure 2, in some embodiments of the invention, body 10 comprises tank body 101, metal tube 102, gripper shoe 103, first resin adhesive layer 104 and the second resin adhesive layer 105.Tank body 101 has flange 1011, and metal tube 102 is welded on flange 1011.Gripper shoe 103 is welded on tank body 101, forms crack between tank body 101 and gripper shoe 103.Wherein, this epoxy zinc-rich coating is located on the outer surface of each in tank body 101, metal tube 102 and gripper shoe 103.
Metal can 1 comprises the first resin adhesive layer 104 and the second resin adhesive layer 105 further, first resin adhesive layer 104 is located at first weld of metal tube 102 with tank body 101 and the second weld of gripper shoe 103 and tank body 101, and the second resin adhesive layer 105 is located in the part of the part relative with this crack of tank body 101 and the relative with this crack of gripper shoe 103.
Not only greatly can improve the decay resistance of the second weld of the flange 1011 of tank body 101 and the first weld of metal tube 102 and tank body 101 and gripper shoe 103 thus, and greatly can improve the decay resistance of the part relative with this crack of metal can 1, thus the decay resistance of metal can 1 can be improved further.
Particularly, tank body 101 can be steel tank, and metal tube 102 can be copper pipe.
Embodiment 1
Phosphorating treatment is carried out to the outer surface of metal can 1.The epoxy resin of the novolac epoxy resin of 1 mass parts, 1 mass parts and the zinc powder of 1 mass parts are mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 40 microns.Finally, this epoxy zinc-rich coating applies epoxy-polyester coating to form surface anticorrosion coating.
Embodiment 2
Phosphorating treatment is carried out to the outer surface of metal can 1.The epoxy resin of the novolac epoxy resin of 1 mass parts, 30 mass parts and the zinc powder of 25 mass parts are mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 100 microns.Finally, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Embodiment 3
Phosphorating treatment is carried out to the outer surface of metal can 1.The epoxy resin of the novolac epoxy resin of 1 mass parts, 15 mass parts and the zinc powder of 12 mass parts are mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 70 microns.Finally, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Embodiment 4
Phosphorating treatment is carried out to the outer surface of metal can 1.The flexibilizer of the epoxy resin of the novolac epoxy resin of 1 mass parts, 1 mass parts, the zinc powder of 1 mass parts and 0.01 mass parts is mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 40 microns.Finally, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Embodiment 5
Phosphorating treatment is carried out to the outer surface of metal can 1.The flexibilizer of the epoxy resin of the novolac epoxy resin of 1 mass parts, 30 mass parts, the zinc powder of 25 mass parts and 1 mass parts is mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 100 microns.Finally, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Embodiment 6
Phosphorating treatment is carried out to the outer surface of metal can 1.The flexibilizer of the epoxy resin of the novolac epoxy resin of 1 mass parts, 15 mass parts, the zinc powder of 12 mass parts and 0.3 mass parts is mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 70 microns.Finally, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Embodiment 7
Phosphorating treatment is carried out to the outer surface of metal can 1.The flexibilizer of the epoxy resin of the novolac epoxy resin of 1 mass parts, 15 mass parts, the zinc powder of 12 mass parts and 0.3 mass parts is mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 70 microns.Then, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Component A and B component are mixed, to obtain resin adhesive according to the mass ratio of 1:2.Wherein, component A comprises the epoxy propane butyl ether of the novolac epoxy resin of 60wt%, the aluminium oxide of 20wt% and 20wt%, and B component comprises the curing accelerator of the polyamide-based curing agent of 80wt% and 20wt%.
Finally, at the second weld coated with resins adhesive of the first weld of metal tube 102 and the flange 1011 of tank body 101 and gripper shoe 103 and tank body 101 to form the first resin adhesive layer 104, at the part coated with resins adhesive of the part relative with this crack of tank body 101 and the relative with this crack of gripper shoe 103 to form the second resin adhesive layer 105.
Embodiment 8
Phosphorating treatment is carried out to the outer surface of metal can 1.The flexibilizer of the epoxy resin of the novolac epoxy resin of 1 mass parts, 15 mass parts, the zinc powder of 12 mass parts and 0.3 mass parts is mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 70 microns.Then, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Component A and B component are mixed, to obtain resin adhesive according to the mass ratio of 2:1.Wherein, component A comprises the epoxy propane butyl ether of the polyurethane resin of 65wt%, the silica white of 25wt% and 10wt%, and B component comprises the curing accelerator of the polyamide-based curing agent of 90wt% and 10wt%.
Finally, at the second weld coated with resins adhesive of the first weld of metal tube 102 and the flange 1011 of tank body 101 and gripper shoe 103 and tank body 101 to form the first resin adhesive layer 104, at the part coated with resins adhesive of the part relative with this crack of tank body 101 and the relative with this crack of gripper shoe 103 to form the second resin adhesive layer 105.
Embodiment 9
Phosphorating treatment is carried out to the outer surface of metal can 1.The flexibilizer of the epoxy resin of the novolac epoxy resin of 1 mass parts, 15 mass parts, the zinc powder of 12 mass parts and 0.3 mass parts is mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 70 microns.Then, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Component A and B component are mixed, to obtain resin adhesive according to the mass ratio of 1:1.Wherein, component A comprises the epoxy propane butyl ether of the acrylic resin of 70wt%, the flake asbestos of 20wt% and 10wt%, and B component comprises the curing accelerator of the polyamide-based curing agent of 85wt% and 15wt%.
Finally, at the second weld coated with resins adhesive of the first weld of metal tube 102 and the flange 1011 of tank body 101 and gripper shoe 103 and tank body 101 to form the first resin adhesive layer 104, at the part coated with resins adhesive of the part relative with this crack of tank body 101 and the relative with this crack of gripper shoe 103 to form the second resin adhesive layer 105.
Embodiment 10
Phosphorating treatment is carried out to the outer surface of metal can 1.The flexibilizer of the epoxy resin of the novolac epoxy resin of 1 mass parts, 15 mass parts, the zinc powder of 12 mass parts and 0.3 mass parts is mixed, to obtain epoxy zinc-enriched paint.Then, epoxy zinc-enriched paint is coated on the outer surface of metal can 1, to form the epoxy zinc-rich coating that thickness is 70 microns.Then, this epoxy zinc-rich coating applies pure polyester coating to form surface anticorrosion coating.
Component A and B component are mixed, to obtain resin adhesive according to the mass ratio of 1:1.Wherein, component A comprises acrylic resin and nitro compound, the silica white of 30wt% and the epoxy propane butyl ether of flake asbestos and 10wt% of 60wt%, and B component comprises the curing accelerator of the polyamide-based curing agent of 85wt% and 15wt%.
Finally, at the second weld coated with resins adhesive of the first weld of metal tube 102 and the flange 1011 of tank body 101 and gripper shoe 103 and tank body 101 to form the first resin adhesive layer 104, at the part coated with resins adhesive of the part relative with this crack of tank body 101 and the relative with this crack of gripper shoe 103 to form the second resin adhesive layer 105.
According to GB/T 1771, the metal can 1 for air-conditioner outdoor unit that the existing metal can for air-conditioner outdoor unit and embodiment 1-10 obtain is carried out to the mensuration of paint and varnish and resistance to neutral salt spray performance.There is corrosion at 240 hours in the existing metal can for air-conditioner outdoor unit, the metal can 1 for air-conditioner outdoor unit that embodiment 1-10 obtains does not occur corrosion in test after 800 hours.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. for an anticorrosion treatment technology for the metal can of air-conditioner outdoor unit, it is characterized in that, comprise the following steps:
S1: phosphorating treatment is carried out to the outer surface of described metal can;
S2: be coated in by epoxy zinc-enriched paint on the outer surface of described metal can, to form epoxy zinc-rich coating; With
S3: apply anticorrosive paint to form surface anticorrosion coating in described epoxy zinc-rich coating.
2. the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to claim 1, is characterized in that, described epoxy zinc-enriched paint comprises novolac epoxy resin, epoxy resin and zinc powder.
3. the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to claim 2, is characterized in that, described epoxy zinc-enriched paint comprises the zinc powder of the novolac epoxy resin of 1 mass parts, the epoxy resin of 1-30 mass parts and 1-25 mass parts.
4. the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to claim 2, is characterized in that, described epoxy zinc-enriched paint comprises flexibilizer further, and the mass ratio of described novolac epoxy resin and described flexibilizer is 1:0.01-1.
5. the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to claim 1, is characterized in that, the thickness of described epoxy zinc-rich coating is 40 microns-100 microns.
6. the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to claim 1, is characterized in that, described epoxy zinc-rich coating is solidified 10 minutes-15 minutes at the temperature of 150 degrees Celsius-250 degrees Celsius.
7. the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to claim 1, it is characterized in that, described phosphorating treatment comprises and carries out oil removing, washing, phosphatization and drying to the outer surface of described metal can, and described epoxy zinc-rich coating applies epoxy-polyester coating or pure polyester coating.
8. the anticorrosion treatment technology of the metal can for air-conditioner outdoor unit according to any one of claim 1-7, it is characterized in that, the gripper shoe that described metal can comprises tank body, metal tube and is welded on described tank body, described tank body has flange, described metal tube is welded on described flange, form crack between described tank body and described gripper shoe, described anticorrosion treatment technology comprises further:
At the first weld of the flange of described metal tube and described tank body and the second weld coated with resins adhesive of described gripper shoe and described tank body to form the first resin adhesive layer, the part of the part relative with described crack of described tank body and the relative with described crack of described gripper shoe applies described resin adhesive to form the second resin adhesive layer.
9. for a metal can for air-conditioner outdoor unit, it is characterized in that, comprising:
Body;
Epoxy zinc-rich coating, described epoxy zinc-rich coating is located on the outer surface of described body; With
Surface anticorrosion coating, described surface anticorrosion coating is located in described epoxy zinc-rich coating.
10. the metal can for air-conditioner outdoor unit according to claim 9, is characterized in that, described body comprises:
Tank body, described tank body has flange;
Metal tube, described metal tube is welded on described flange; With
Gripper shoe, described gripper shoe is welded on described tank body, forms crack between described tank body and described gripper shoe, and wherein said epoxy zinc-rich coating is located on the outer surface of each in described tank body, described metal tube and described gripper shoe;
Described metal can comprises the first resin adhesive layer and the second resin adhesive layer further, described first resin adhesive layer is located at the first weld of described metal tube and described tank body and the second weld of described gripper shoe and described tank body, and described second resin adhesive layer is located in the part of the part relative with described crack of described tank body and the relative with described crack of described gripper shoe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510059188.1A CN104607377A (en) | 2015-02-04 | 2015-02-04 | Metal tank for air conditioner outdoor unit and anti-corrosion treatment process of metal tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510059188.1A CN104607377A (en) | 2015-02-04 | 2015-02-04 | Metal tank for air conditioner outdoor unit and anti-corrosion treatment process of metal tank |
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| CN104607377A true CN104607377A (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510059188.1A Pending CN104607377A (en) | 2015-02-04 | 2015-02-04 | Metal tank for air conditioner outdoor unit and anti-corrosion treatment process of metal tank |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109807047A (en) * | 2018-12-29 | 2019-05-28 | 安徽鑫铂铝业股份有限公司 | A kind of high-performance heronsbill heat radiator aluminium profile |
| CN109810668A (en) * | 2019-01-29 | 2019-05-28 | 宁波路宝科技实业集团有限公司 | A kind of polyurethane adhesive and preparation method thereof |
| CN111570237A (en) * | 2020-05-27 | 2020-08-25 | 四川金城栅栏工程有限公司 | Fence anticorrosion process and anticorrosion fence produced by same |
| CN112791924A (en) * | 2019-12-30 | 2021-05-14 | 廊坊京磁精密材料有限公司 | Surface treatment method for neodymium iron boron permanent magnet material and permanent magnet material product |
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| CN1712473A (en) * | 2004-06-24 | 2005-12-28 | 徐州正菱涂装有限公司 | Epoxy zinc-enriched antiseptic powdery paint and production thereof |
| CN102430509A (en) * | 2011-11-17 | 2012-05-02 | 中国电器科学研究院有限公司 | Coating process applying water-based paint to key components of central air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1712473A (en) * | 2004-06-24 | 2005-12-28 | 徐州正菱涂装有限公司 | Epoxy zinc-enriched antiseptic powdery paint and production thereof |
| CN102430509A (en) * | 2011-11-17 | 2012-05-02 | 中国电器科学研究院有限公司 | Coating process applying water-based paint to key components of central air conditioner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109807047A (en) * | 2018-12-29 | 2019-05-28 | 安徽鑫铂铝业股份有限公司 | A kind of high-performance heronsbill heat radiator aluminium profile |
| CN109810668A (en) * | 2019-01-29 | 2019-05-28 | 宁波路宝科技实业集团有限公司 | A kind of polyurethane adhesive and preparation method thereof |
| CN112791924A (en) * | 2019-12-30 | 2021-05-14 | 廊坊京磁精密材料有限公司 | Surface treatment method for neodymium iron boron permanent magnet material and permanent magnet material product |
| CN111570237A (en) * | 2020-05-27 | 2020-08-25 | 四川金城栅栏工程有限公司 | Fence anticorrosion process and anticorrosion fence produced by same |
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Application publication date: 20150513 |