CN106756978B - A kind of manufacturing method of orientation silicon steel and the spraying method of orientation silicon steel magnesium oxide coating - Google Patents
A kind of manufacturing method of orientation silicon steel and the spraying method of orientation silicon steel magnesium oxide coating Download PDFInfo
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- CN106756978B CN106756978B CN201611153875.0A CN201611153875A CN106756978B CN 106756978 B CN106756978 B CN 106756978B CN 201611153875 A CN201611153875 A CN 201611153875A CN 106756978 B CN106756978 B CN 106756978B
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- top plate
- silicon steel
- magnesium oxide
- plate
- oxide coating
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 94
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000000576 coating method Methods 0.000 title claims abstract description 77
- 239000011248 coating agent Substances 0.000 title claims abstract description 75
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 74
- 238000005507 spraying Methods 0.000 title claims abstract description 72
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000000137 annealing Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of manufacturing method of orientation silicon steel and the spraying methods of orientation silicon steel magnesium oxide coating, belong to metallurgical technology technical field.The manufacturing method of the orientation silicon steel of present invention reality includes: before silicon steel sheet enters drying oven, it will do it the spraying process of orientation silicon steel magnesium oxide coating, in the spraying of orientation silicon steel magnesium oxide coating, silicon steel sheet can be placed on to installation and run in the spray booth for having constant temperature and humidity unit, the operation of constant temperature and humidity unit, it can make spray booth that there is the constant-temperature constant-humidity environment for being suitble to magnesium oxide coating spraying, then the spraying process of the magnesium oxide coating of silicon steel sheet is completed in spray booth, it can control temperature and humidity of the magnesium oxide coating in spraying in this way, there is biggish amplitude of variation in moisture content after avoiding magnesium oxide coating from spraying, the silicon steel sheet for completing the spraying process of magnesium oxide coating, which can enter in drying oven, carries out high-temperature annealing process, to guarantee the quality of production of subsequent silicon steel sheet bottom.
Description
Technical field
The present invention relates to metallurgical technology technical field, in particular to the manufacturing method and orientation silicon steel oxygen of a kind of orientation silicon steel
Change the spraying method of magnesium coating.
Background technique
Orientation silicon steel is a kind of important Antaciron for being applied to transformer (iron core) manufacturing, is production transformer etc.
The primary raw material of power equipment.
The demand in physical property in order to reach power equipment can exist to silicon steel sheet in the manufacturing process of orientation silicon steel
High-temperature annealing process is carried out in drying oven.In the technical process of high annealing, sintering phenomenon occurs for silicon steel sheet in order to prevent, leads to
Magnesia (MgO) often is sprayed on the surface of silicon steel sheet before high annealing, the magnesium oxide coating after spraying can be with silicon steel
The silicon on piece surface constitutes excellent insulating film layer, the high annealing barrier in making as silicon steel sheet, to guarantee silicon steel sheet
Product quality.
In the implementation of the present invention, it is found by the applicant that following deficiency exists in the prior art:
It is coated on the magnesium oxide coating on the surface of silicon steel sheet, free water excludes substantially after kiln dried, but water of constitution
〔Mg(OH)2) but bring into drying oven.When dry stove heating, water of constitution can release moisture, and moisture in low temperature if do not excluded, then
It can make silicon steel sheet surface oxidation, good bottom cannot be formed, " dew is brilliant " or " paint face " phenomenon occur, influence silicon steel sheet bottom matter
Amount.Therefore, the moisture content that the magnesium oxide coating on silicon steel sheet surface is reduced as far as possible before silicon steel sheet enters drying oven is needed.It is existing
In technology, silicon steel sheet is usually to carry out under uncertain environment in the spraying for entering the magnesium oxide coating before drying oven, vulnerable to
The interference of the extraneous factors such as weather, season, the moisture content after spraying magnesium oxide coating has biggish amplitude of variation, and then influences
The quality of production of subsequent silicon steel sheet bottom.
Summary of the invention
In order to solve to carry out under uncertain environment because of the spraying process of the magnesium oxide coating of silicon steel sheet in the prior art,
The problem of influencing the quality of production of subsequent silicon steel sheet bottom, the embodiment of the invention provides a kind of manufacturing method of orientation silicon steel and
The spraying method of orientation silicon steel magnesium oxide coating.The technical solution is as follows:
A kind of manufacturing method of orientation silicon steel, comprising:
Before silicon steel sheet enters drying oven, silicon steel sheet is placed in spray booth, the spraying indoor location and run have
Constant temperature and humidity unit, the operation of the constant temperature and humidity unit make the spray booth have the constant temperature for being suitble to magnesium oxide coating spraying
Constant humidity environment；
The spraying process of the magnesium oxide coating of silicon steel sheet is completed in the spray booth；
The silicon steel sheet for completing the spraying process of magnesium oxide coating, which enters, carries out high-temperature annealing process in drying oven.
A kind of spraying method of orientation silicon steel magnesium oxide coating, comprising:
Before silicon steel sheet enters drying oven, silicon steel sheet is placed in spray booth, the spraying indoor location and run have
Constant temperature and humidity unit, the operation of the constant temperature and humidity unit make the spray booth have the constant temperature for being suitble to magnesium oxide coating spraying
Constant humidity environment；
The spraying process of the magnesium oxide coating of silicon steel sheet is completed in the spray booth.
Preferably, the constant-temperature constant-humidity environment of the suitable magnesium oxide coating spraying includes: temperature≤10 DEG C, and humidity≤
40%.
Further, the spray booth includes rectangular side wall and cover board, the top opening of the rectangular side wall, the cover board
Lid is located at the top open part of the rectangular side wall.
In the embodiment of the present invention, the rectangular side wall include be sequentially connected end to end in turn and be vertically arranged the first side plate,
Two side plates, third side plate and the 4th side plate, first side plate and the third side plate are oppositely arranged, second side plate and institute
The 4th side plate is stated to be oppositely arranged；
The cover board includes the first top plate and the second top plate, and first top plate and second top plate include along first
The first side and third side that direction is oppositely arranged, and the second side being oppositely arranged in a second direction and four side,
The first direction and the second direction are vertically arranged；
The second side of first top plate is opposite relative to the first side that the height on ground is higher than first top plate
Height in ground, the second side of second top plate are higher than the first side of second top plate relative to the height on ground
Height relative to ground；
The first side of first top plate is overlapped on the top of first side plate, the second side of first top plate
It links together with the second side of second top plate, the second side of second top plate is overlapped on the third side plate
Top；
The second side of first top plate and the second side of second top plate flush setting, first top plate
Second side and the second side of second top plate are overlapped on the top of second side plate；
The four side of first top plate and the four side of second top plate flush setting, first top plate
The four side of four side and second top plate is overlapped on the top of the 4th side plate.
Further, first top plate and the V-shaped arrangement of second top plate or arc arrangement.
A kind of implementation of the embodiment of the present invention are as follows: first top plate and the V-shaped arrangement of the second top plate, it is described
Angle between first top plate and second top plate is 120 °~160 °.
A kind of implementation of the embodiment of the present invention are as follows: first top plate and the arc-shaped arrangement of the second top plate, institute
Stating the central angle between the first top plate and second top plate is 120 °~160 °.
Further, the first side of first top plate extends in the top outer of first side plate, and described second
The first side of top plate extends in the top outer of the third side plate, and the outer wall of first side plate and the third side plate is equal
Vertically it is equidistantly provided with multiple water receiving pipes.
Further, the inner wall of first side plate, second side plate, the third side plate and the 4th side plate is equal
Multiple water receiving tanks being in tilted layout in the same direction are provided with, the groove width of multiple water receiving tanks is sequentially increased from top to bottom, institute
The one end for stating water receiving tank is arranged in the spray booth, and the other end of the water receiving tank is lower than one end of the water receiving tank, described
The other end of water receiving tank stretches out the spray booth.
The technical solution of the embodiment of the present invention has the benefit that
The manufacturing method of orientation silicon steel disclosed in the embodiment of the present invention will do it and take before silicon steel sheet enters drying oven
To the spraying process of silicon-steel magnesium oxide coating, in the spraying of orientation silicon steel magnesium oxide coating, silicon steel sheet can be placed on to installation
And operation has in the spray booth of constant temperature and humidity unit, the operation of constant temperature and humidity unit, and spray booth can be made to have and be suitble to magnesia
Then the constant-temperature constant-humidity environment of coating spraying completes the spraying process of the magnesium oxide coating of silicon steel sheet in spray booth, in this way can be with
Temperature and humidity of the magnesium oxide coating in spraying is controlled, biggish variation occurs in the moisture content after avoiding magnesium oxide coating from spraying
Amplitude, the silicon steel sheet for completing the spraying process of magnesium oxide coating, which can enter in drying oven, carries out high-temperature annealing process, to guarantee
The quality of production of subsequent silicon steel sheet bottom.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the flow diagram of the manufacturing method of orientation silicon steel provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of the spraying method of orientation silicon steel magnesium oxide coating provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of spray booth in the embodiment of the present invention；
Fig. 4 is the schematic rear view of spray booth in the embodiment of the present invention；
Fig. 5 is the top plate arrangement schematic diagram of spray booth in the embodiment of the present invention；
Fig. 6 is the side plate arrangement schematic diagram of spray booth in the embodiment of the present invention；
Fig. 7 is the moisture content of magnesium oxide coating and used spray before in spraying method used in the embodiment of the present invention
The contrast effect figure of the moisture content of magnesium oxide coating in coating method.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of manufacturing methods of orientation silicon steel.Fig. 1 is orientation provided in an embodiment of the present invention
The flow diagram of the manufacturing method of silicon steel, referring to Fig. 1, the manufacturing method includes:
S1: before silicon steel sheet enters drying oven, silicon steel sheet being placed in spray booth, and spraying indoor location and running has perseverance
Constant temperature and humidity unit, the operation of constant temperature and humidity unit make spray booth have the constant-temperature constant-humidity environment for being suitble to magnesium oxide coating spraying；
S2: the spraying process of the magnesium oxide coating of silicon steel sheet is completed in spray booth；
S3: the silicon steel sheet for completing the spraying process of magnesium oxide coating, which enters, carries out high-temperature annealing process in drying oven.
The embodiment of the invention also provides a kind of spraying methods of orientation silicon steel magnesium oxide coating.Fig. 2 is implementation of the present invention
The flow diagram of the spraying method for the orientation silicon steel magnesium oxide coating that example provides, referring to fig. 2, which includes:
S1: before silicon steel sheet enters drying oven, silicon steel sheet being placed in spray booth, and spraying indoor location and running has perseverance
Constant temperature and humidity unit, the operation of constant temperature and humidity unit make spray booth have the constant-temperature constant-humidity environment for being suitble to magnesium oxide coating spraying；
S2: the spraying process of the magnesium oxide coating of silicon steel sheet is completed in spray booth.
The manufacturing method of orientation silicon steel disclosed in the embodiment of the present invention will do it and take before silicon steel sheet enters drying oven
To the spraying process of silicon-steel magnesium oxide coating, in the spraying of orientation silicon steel magnesium oxide coating, silicon steel sheet can be placed on to installation
And operation has in the spray booth of constant temperature and humidity unit, the operation of constant temperature and humidity unit, and spray booth can be made to have and be suitble to magnesia
Then the constant-temperature constant-humidity environment of coating spraying completes the spraying process of the magnesium oxide coating of silicon steel sheet in spray booth, in this way can be with
Temperature and humidity of the magnesium oxide coating in spraying is controlled, biggish variation occurs in the moisture content after avoiding magnesium oxide coating from spraying
Amplitude, the silicon steel sheet for completing the spraying process of magnesium oxide coating, which can enter in drying oven, carries out high-temperature annealing process, to guarantee
The quality of production of subsequent silicon steel sheet bottom.
In the embodiment of the present invention, constant temperature and humidity unit is mainly orientation silicon steel magnesium oxide coating provided in spraying it is suitable and
Common unit in the market can be used in stable humidity and temperature.
In the embodiment of the present invention, has and the constant-temperature constant-humidity environment of magnesium oxide coating spraying is suitble to include: temperature≤10 DEG C, it is wet
Degree≤40%, to guarantee to produce the silicon steel sheet bottom to conform to quality requirements.
Fig. 3 is the structural schematic diagram of spray booth in the embodiment of the present invention, and Fig. 4 is the backsight of spray booth in the embodiment of the present invention
Schematic diagram, in conjunction with Fig. 3 and Fig. 4, in the embodiment of the present invention, spray booth may include rectangular side wall a and cover board b, rectangular side wall a's
Top opening, cover board b cover the top open part for being located at rectangular side wall a.
In the embodiment of the present invention, rectangular side wall a may include be sequentially connected end to end in turn and be vertically arranged the first side plate 1,
Second side plate 2, third side plate 3 and the 4th side plate 4, the first side plate 1 and third side plate 3 are oppositely arranged, the second side plate 2 and the 4th side
Plate 4 is oppositely arranged, and the first side plate 1, the second side plate 2, third side plate 3 and the 4th side plate 4 surround an open-topped rectangular knot
Structure.
Cover board b lid in the embodiment of the present invention is located at the top open part of above-mentioned direction structure, and cover board b may include the
One top plate 5 and the second top plate 6, second top plate the first top plate 5 and the second top plate 6 include first be oppositely arranged along first direction
Side and third side, and the second side being oppositely arranged in a second direction and four side, first direction and second direction
It is vertically arranged.
The second side of first top plate 5 of the embodiment of the present invention is higher than the first of the first top plate 5 relative to the height on ground
Height of the side relative to ground, the second side of the second top plate are higher than the first side of the second top plate 6 relative to the height on ground
While the height relative to ground.
The first side of first top plate 5 of the embodiment of the present invention is overlapped on the top of the first side plate 1, and the of the first top plate 5
The second side of dual side-edge and the second top plate 6 links together, and the second side of the second top plate 6 is overlapped on the top of third side plate 3
Portion.
The second side of first top plate 5 of the embodiment of the present invention and the second side of the second top plate 6 flush setting, the first top
The second side of plate 5 and the second side of the second top plate 6 are overlapped on the top of the second side plate 2.
The four side of the first top plate 5 and the four side of the second top plate 6 of the embodiment of the present invention flush setting, the first top
The four side of the four side of plate 5 and the second top plate 6 is overlapped on the top of the 4th side plate 4.
Pass through above structure, it is known that the top plate of the spray booth in the embodiment of the present invention is the knot that middle part is high, two sides are low
Structure, center of the moisture convergence that can be generated in this way when magnesium oxide coating sprays at the top of spray booth, and along the first top
Plate 5 and the second top plate 6 flow down, and avoid steam from directly dripping on the silicon steel sheet sprayed at droplet, influence silicon steel sheet
The coating quality of magnesium oxide coating.
In order to preferably discharge steam, the first top plate 5 and the second top plate 6 in the embodiment of the present invention V-shaped can be arranged,
First top plate 5 and the second top plate 6 are linear type plate, and the angle between the first top plate 5 and the second top plate 6 can for 120 °~
160°。
The first top plate 5 and the second top plate 6 of the embodiment of the present invention arc-shaped can also arrange (in conjunction with Fig. 5), the first top plate 5
And the second central angle between top plate 6 is 120 °~160 °.
In the embodiment of the present invention, the second side of the second side of the first top plate 5 and the second top plate 6 be can integrate one
It rises, to guarantee the structural strength of spray booth.
In the embodiment of the present invention, the first side of the first top plate 5 can extend in the top outer of the first side plate 1, and first
The outer wall of side plate 1 is vertically equidistantly provided with multiple water receiving pipes 7, and the steam being discharged from the first top plate 5 can pass through water receiving
Pipe 7 is discharged.
Equally, in the embodiment of the present invention, the first side of the second top plate 6 can extend in the top outer of third side plate 3,
The outer wall of third side plate 3 is also vertically equidistantly provided with multiple water receiving pipes 7, and the steam being discharged from the second top plate 6 can lead to
Water receiving pipe 7 is crossed to be discharged.
Fig. 6 is the side plate arrangement schematic diagram of spray booth in the embodiment of the present invention, in conjunction with Fig. 6, in the embodiment of the present invention, and first
Side plate 1, the second side plate 2, third side plate 3 and the 4th side plate 4 inner wall can be set and multiple be in tilted layout in the same direction
Water receiving tank 8, the groove width of multiple water receiving tanks 8 is sequentially increased from top to bottom, and one end of water receiving tank 8 is arranged in spray booth, water receiving
The other end of slot 8 is lower than one end of water receiving tank 8, and the other end of water receiving tank 8 stretches out spray booth, is gathered in the first side plate 1, second side
Steam on plate 2, third side plate 3 and the 4th side plate 4 can focus on water receiving tank 8, and be emitted into along the inclined direction of water receiving tank 8
Outside spray booth, to guarantee that spray booth has suitable temperature and humidity.
In the embodiment of the present invention, the rectangular side wall a and cover board b for constituting spray booth can be constructed by cold storage plate to be made, side
The thickness of shape side wall a and cover board b need to be not less than 150mm, and the thickness of each cold storage plate is not less than 0.4mm.
In conjunction with Fig. 3, in the embodiment of the present invention, an inlet/outlet 9, the disengaging are provided at the rectangular side wall a of spray booth
Door is sealed using collapsible heat insulating door curtain 10.
Specifically, the inlet/outlet 9 in the embodiment of the present invention is arranged on the second side plate 2, and the second side plate 2 is set backwards to drying oven
It sets.
In conjunction with Fig. 3 and Fig. 4, the embodiment of the present invention can be arranged there are two material mouth on the second side plate 2 and the 4th side plate 4
11, the conveyer belt of a conveying silicon steel sheet is provided between two material inlets.
In conjunction with Fig. 3, the embodiment of the present invention can be provided with a spraying close to the position of the second side plate 2 in the first side plate 1
The entrance 12 of machine.When carrying out magnesium oxide coating spraying to silicon steel sheet, the output section of flush coater enters spraying by entrance 12
Interior, and it is located at the surface of conveyer belt, streamlined completes the spraying process of magnesium oxide coating.
The spraying process of magnesium oxide coating is coated by double-roller type coating machine, which includes
The magnesia that upper coating roller, lower coating roller, pallet, magnesia apply liquid circulating device and applies magnesia in liquid circulating device applies
Liquid is sprayed to the jet pipe of silicon steel sheet upper surface；The lower coating roller is immersed in pallet, and jet pipe is ejected into the magnesia on silicon steel sheet surface
It is entered in pallet after masking liquid overflow, which carries out the painting of silicon steel sheet lower surface using the magnesia masking liquid in pallet
It covers.
Fig. 7 is the moisture content of magnesium oxide coating and used spray before in spraying method used in the embodiment of the present invention
The contrast effect figure of the moisture content of magnesium oxide coating in coating method, from figure 7 it can be seen that using used in the embodiment of the present invention
The moisture content for the magnesium oxide coating that spraying method carries out significantly reduces, and amplitude of variation is smaller, can more guarantee silicon steel sheet bottom
The quality of production of layer.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of spraying method of orientation silicon steel magnesium oxide coating characterized by comprising
Before silicon steel sheet enters drying oven, silicon steel sheet is placed in spray booth, the spraying indoor location and run have constant temperature
Constant humidity unit, the operation of the constant temperature and humidity unit make the spray booth have the constant temperature and humidity for being suitble to magnesium oxide coating spraying
The constant-temperature constant-humidity environment of environment, the suitable magnesium oxide coating spraying includes: temperature≤10 DEG C, humidity≤40%；
The spraying process of the magnesium oxide coating of silicon steel sheet is completed in the spray booth.
2. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 1, which is characterized in that the spraying
Room includes cover board and rectangular side wall, the top opening of the rectangular side wall, and the cover plate lid is located at the top of the rectangular side wall
Opening.
3. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 2, which is characterized in that
The rectangular side wall includes the first side plate, the second side plate, the third side plate and for being sequentially connected end to end in turn and being vertically arranged
Four side plates, first side plate and the third side plate are oppositely arranged, and second side plate and the 4th side plate are oppositely arranged；
The cover board includes the first top plate and the second top plate, and first top plate and second top plate include along first direction
The first side and third side being oppositely arranged, and the second side being oppositely arranged in a second direction and four side, it is described
First direction and the second direction are vertically arranged；
The second side of first top plate is higher than the first side of first top plate relative to ground relative to the height on ground
The height in face, the first side that the second side of second top plate is higher than second top plate relative to the height on ground are opposite
Height in ground；
The first side of first top plate is overlapped on the top of first side plate, the second side of first top plate and institute
The second side for stating the second top plate links together, and the second side of second top plate is overlapped on the top of the third side plate
Portion；
The second side of first top plate and the second side of second top plate flush setting, and the second of first top plate
Side and the second side of second top plate are overlapped on the top of second side plate；
The four side of first top plate and the four side of second top plate flush setting, and the 4th of first top plate the
The four side of side and second top plate is overlapped on the top of the 4th side plate.
4. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 3, which is characterized in that described first
Top plate and the V-shaped arrangement of second top plate or arc-shaped arrangement.
5. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 4, which is characterized in that described first
Top plate and the V-shaped arrangement of the second top plate, the angle between first top plate and second top plate are 120 °~160 °.
6. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 4, which is characterized in that described first
Top plate and the arc-shaped arrangement of the second top plate, central angle between first top plate and second top plate is 120 °~
160°。
7. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 3, which is characterized in that described first
The first side of top plate extends in the top outer of first side plate, and the first side of second top plate extends in described
The outer wall of the top outer of three side plates, first side plate and the third side plate is vertically equidistantly provided with multiple water receivings
Pipe.
8. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 3, which is characterized in that described first
Side plate, second side plate, the third side plate and the 4th side plate inner wall be provided with and multiple tilt in the same direction
The groove width of the water receiving tank of arrangement, multiple water receiving tanks is sequentially increased from top to bottom, and one end of the water receiving tank is arranged described
In spray booth, the other end of the water receiving tank is lower than one end of the water receiving tank, and the other end of the water receiving tank stretches out the spray
Apply room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153875.0A CN106756978B (en) | 2016-12-14 | 2016-12-14 | A kind of manufacturing method of orientation silicon steel and the spraying method of orientation silicon steel magnesium oxide coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153875.0A CN106756978B (en) | 2016-12-14 | 2016-12-14 | A kind of manufacturing method of orientation silicon steel and the spraying method of orientation silicon steel magnesium oxide coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106756978A CN106756978A (en) | 2017-05-31 |
| CN106756978B true CN106756978B (en) | 2019-07-12 |
Family
ID=58887982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611153875.0A Active CN106756978B (en) | 2016-12-14 | 2016-12-14 | A kind of manufacturing method of orientation silicon steel and the spraying method of orientation silicon steel magnesium oxide coating |
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|---|---|---|---|---|
| CN201658956U (en) * | 2009-12-22 | 2010-12-01 | 鞍钢股份有限公司 | Mixing device for MgO coating liquid of oriented silicon steel decarburization annealing line |
| CN102041367A (en) * | 2009-10-23 | 2011-05-04 | 宝山钢铁股份有限公司 | Manufacturing method of thin strip continuously cast and cold rolled non-oriented electrical steel |
| CN103691613A (en) * | 2014-01-15 | 2014-04-02 | 浙江百纳橡塑设备有限公司 | Water screen spray system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041367A (en) * | 2009-10-23 | 2011-05-04 | 宝山钢铁股份有限公司 | Manufacturing method of thin strip continuously cast and cold rolled non-oriented electrical steel |
| CN201658956U (en) * | 2009-12-22 | 2010-12-01 | 鞍钢股份有限公司 | Mixing device for MgO coating liquid of oriented silicon steel decarburization annealing line |
| CN103691613A (en) * | 2014-01-15 | 2014-04-02 | 浙江百纳橡塑设备有限公司 | Water screen spray system |
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