CN106756978A - A kind of manufacture method of orientation silicon steel and the spraying method of orientation silicon steel magnesium oxide coating - Google Patents
A kind of manufacture method of orientation silicon steel and the spraying method of orientation silicon steel magnesium oxide coating Download PDFInfo
- Publication number
- CN106756978A CN106756978A CN201611153875.0A CN201611153875A CN106756978A CN 106756978 A CN106756978 A CN 106756978A CN 201611153875 A CN201611153875 A CN 201611153875A CN 106756978 A CN106756978 A CN 106756978A
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- China
- Prior art keywords
- top board
- silicon steel
- magnesium oxide
- oxide coating
- spraying
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- 238000000576 coating method Methods 0.000 title claims abstract description 104
- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 100
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000011248 coating agent Substances 0.000 title claims abstract description 81
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 78
- 238000005507 spraying Methods 0.000 title claims abstract description 77
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 52
- 238000001035 drying Methods 0.000 claims abstract description 20
- 238000000137 annealing Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010422 painting Methods 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect 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
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 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
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 230000007306 turnover Effects 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 the manufacture method and the spraying method of orientation silicon steel magnesium oxide coating of a kind of orientation silicon steel, belong to metallurgical technology technical field.The manufacture method of real orientation silicon steel of the invention includes：Before silicon steel sheet enters drying oven, the spraying coating process of orientation silicon steel magnesium oxide coating can be carried out, in the spraying of orientation silicon steel magnesium oxide coating, silicon steel sheet can be placed in the spray booth for installing and running constant temperature and humidity machine group, the operation of constant temperature and humidity unit, spray booth can be made has the constant-temperature constant-humidity environment for being adapted to magnesium oxide coating spraying, then the spraying coating process of the magnesium oxide coating of silicon steel sheet is completed in spray booth, temperature and humidity of the magnesium oxide coating in spraying can so be controlled, there is larger amplitude of variation in moisture content after avoiding magnesium oxide coating from spraying, entering in drying oven by the silicon steel sheet of the spraying coating process for completing magnesium oxide coating carries out high-temperature annealing process, to ensure the quality of production of follow-up silicon steel sheet bottom.
Description
Technical field
The present invention relates to metallurgical technology technical field, the manufacture method and orientation silicon steel oxygen of more particularly to a kind of orientation silicon steel
Change the spraying method of magnesium coating.
Background technology
Orientation silicon steel is the important Antaciron that one kind is applied to transformer (iron core) manufacturing, is to make transformer etc.
The primary raw material of power equipment.
In order to be able to the demand in the physical property for reaching power equipment, silicon steel sheet can be existed 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, there is sintering phenomenon to prevent silicon steel sheet, lead to
Magnesia (MgO) was often 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, and silicon steel sheet is ensured as the high annealing barrier in silicon steel sheet making
Product quality.
Realize it is of the invention during, it is found by the applicant that having the following disadvantages in the prior art：
The magnesium oxide coating on the surface of silicon steel sheet is coated on, free water is excluded substantially after kiln dried, but water of constitution
〔Mg(OH)2) but bring into drying oven.When stove heat is dried, water of constitution can release moisture, moisture if do not excluded in low temperature, then
Silicon steel sheet surface oxidation can be made, it is impossible to form good bottom, " dew is brilliant " or " paint face " phenomenon occur, influence silicon steel sheet bottom matter
Amount.Therefore, the moisture content of the magnesium oxide coating on reduction silicon steel sheet surface before silicon steel sheet enters drying oven as far as possible is needed.It is existing
In technology, silicon steel sheet is typically carried out in the spraying of the magnesium oxide coating before entering drying oven under uncertain environment, is easily received
The extraneous factors such as weather, season are disturbed, and the moisture content after spraying magnesium oxide coating has larger amplitude of variation, and then influences
The quality of production of follow-up silicon steel sheet bottom.
The content of the invention
In order to solve in the prior art because the spraying coating process of the magnesium oxide coating of silicon steel sheet is carried out under uncertain environment,
Influence the problem of the quality of production of follow-up silicon steel sheet bottom, the embodiment of the invention provides a kind of orientation silicon steel manufacture method and
The spraying method of orientation silicon steel magnesium oxide coating.The technical scheme is as follows：
A kind of manufacture method of orientation silicon steel, including：
Before silicon steel sheet enters drying oven, silicon steel sheet is placed in spray booth, the indoor location and operation of spraying has
Constant temperature and humidity unit, the operation of the constant temperature and humidity unit makes the spray booth have the constant temperature for being adapted to magnesium oxide coating spraying
Constant humidity environment；
The spraying coating process of the magnesium oxide coating of silicon steel sheet is completed in the spray booth；
The silicon steel sheet of spraying coating process of magnesium oxide coating is completed into carrying out high-temperature annealing process in drying oven.
A kind of spraying method of orientation silicon steel magnesium oxide coating, including：
Before silicon steel sheet enters drying oven, silicon steel sheet is placed in spray booth, the indoor location and operation of spraying has
Constant temperature and humidity unit, the operation of the constant temperature and humidity unit makes the spray booth have the constant temperature for being adapted to magnesium oxide coating spraying
Constant humidity environment；
The spraying coating 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, humidity≤
40%.
Further, the spray booth includes square side wall and cover plate, the open top of the square side wall, the cover plate
Lid is located at the top open part of the square side wall.
In the embodiment of the present invention, the square side wall includes the first side plate, that head and the tail are sequentially connected and vertically set
Two side plates, the 3rd side plate and the 4th side plate, first side plate and the 3rd side plate are oppositely arranged, second side plate and institute
The 4th side plate is stated to be oppositely arranged；
The cover plate includes the first top board and the second top board, and first top board and second top board include along first
First side and the 3rd side that direction is oppositely arranged, and the second side that is 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 board is relative higher than the first side of first top board relative to the height on ground
In the height on ground, the height first side higher than second top board of the second side relative to ground of second top board
Relative to the height on ground；
The first side of first top board is overlapped on the top of first side plate, the second side of first top board
Second side with second top board links together, and the second side of second top board is overlapped on the 3rd side plate
Top；
The second side of the second side of first top board and second top board flushes setting, first top board
The second side of second side and second top board is overlapped on the top of second side plate；
The four side of first top board and the four side of second top board flush setting, first top board
The four side of four side and second top board is overlapped on the top of the 4th side plate.
Further, first top board and the V-shaped arrangement of second top board or arc arrangement.
A kind of implementation of the embodiment of the present invention is：First top board and the V-shaped arrangement of the second top board, it is described
Angle between first top board and second top board is 120 °~160 °.
A kind of implementation of the embodiment of the present invention is：First top board and the curved arrangement of the second top board, institute
It is 120 °~160 ° to state the central angle between the first top board and second top board.
Further, the first side of first top board extends in the top outer of first side plate, described second
The first side of top board extends in the top outer of the 3rd side plate, and the outer wall of first side plate and the 3rd side plate is equal
Multiple water receiving pipes are vertically provided with equal intervals.
Further, the inwall of first side plate, second side plate, the 3rd 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 increases successively from top to bottom, institute
The one end for stating water receiving tank is arranged in the spray booth, the one end of the other end less than the water receiving tank of the water receiving tank, described
The other end of water receiving tank stretches out the spray booth.
The beneficial effect that the technical scheme of the embodiment of the present invention is brought is：
The manufacture method of the orientation silicon steel disclosed in the embodiment of the present invention, before silicon steel sheet enters drying oven, can be taken
To the spraying coating process of silicon-steel magnesium oxide coating, in the spraying of orientation silicon steel magnesium oxide coating, silicon steel sheet can be placed on installation
And operation has in the spray booth of constant temperature and humidity machine group, the operation of constant temperature and humidity unit can have spray booth and be adapted to magnesia
The constant-temperature constant-humidity environment of coating spraying, the spraying coating process of the magnesium oxide coating of silicon steel sheet is then completed in spray booth, so can be with
Temperature and humidity of the control magnesium oxide coating in spraying, it is to avoid larger change occurs in the moisture content after magnesium oxide coating spraying
Entering in drying oven by amplitude, the silicon steel sheet of the spraying coating process for completing magnesium oxide coating carries out high-temperature annealing process, to ensure
The quality of production of follow-up silicon steel sheet bottom.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the schematic flow sheet of the manufacture method of orientation silicon steel provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the spraying method of orientation silicon steel magnesium oxide coating provided in an embodiment of the present invention；
Fig. 3 is the structural representation 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 board 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 in the spraying method that the embodiment of the present invention is used and the spray that is used before
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 accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of manufacture method of orientation silicon steel.Fig. 1 is orientation provided in an embodiment of the present invention
The schematic flow sheet of the manufacture method of silicon steel, referring to Fig. 1, the manufacture method includes：
S1：Before silicon steel sheet enters drying oven, silicon steel sheet is placed in spray booth, sprays indoor location and run persevering
Constant temperature and humidity unit, the operation of constant temperature and humidity unit makes spray booth have the constant-temperature constant-humidity environment for being adapted to magnesium oxide coating spraying；
S2：The spraying coating process of the magnesium oxide coating of silicon steel sheet is completed in spray booth；
S3：The silicon steel sheet of spraying coating process of magnesium oxide coating is completed into carrying out high-temperature annealing process in drying oven.
The embodiment of the present invention additionally provides a kind of spraying method of orientation silicon steel magnesium oxide coating.Fig. 2 is implementation of the present invention
The schematic flow sheet of the spraying method of the orientation silicon steel magnesium oxide coating that example is provided, referring to Fig. 2, the spraying method includes：
S1：Before silicon steel sheet enters drying oven, silicon steel sheet is placed in spray booth, sprays indoor location and run persevering
Constant temperature and humidity unit, the operation of constant temperature and humidity unit makes spray booth have the constant-temperature constant-humidity environment for being adapted to magnesium oxide coating spraying；
S2：The spraying coating process of the magnesium oxide coating of silicon steel sheet is completed in spray booth.
The manufacture method of the orientation silicon steel disclosed in the embodiment of the present invention, before silicon steel sheet enters drying oven, can be taken
To the spraying coating process of silicon-steel magnesium oxide coating, in the spraying of orientation silicon steel magnesium oxide coating, silicon steel sheet can be placed on installation
And operation has in the spray booth of constant temperature and humidity machine group, the operation of constant temperature and humidity unit can have spray booth and be adapted to magnesia
The constant-temperature constant-humidity environment of coating spraying, the spraying coating process of the magnesium oxide coating of silicon steel sheet is then completed in spray booth, so can be with
Temperature and humidity of the control magnesium oxide coating in spraying, it is to avoid larger change occurs in the moisture content after magnesium oxide coating spraying
Entering in drying oven by amplitude, the silicon steel sheet of the spraying coating process for completing magnesium oxide coating carries out high-temperature annealing process, to ensure
The quality of production of follow-up silicon steel sheet bottom.
In the embodiment of the present invention, constant temperature and humidity unit be mainly orientation silicon steel magnesium oxide coating provided in spraying it is suitable and
The humidity and temperature of stabilization, the unit that can be commonly used using in the market.
In the embodiment of the present invention, the constant-temperature constant-humidity environment with the spraying of suitable magnesium oxide coating includes：Temperature≤10 DEG C, it is wet
Degree≤40%, to guarantee to produce the silicon steel sheet bottom for conforming to quality requirements.
Fig. 3 is the structural representation 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, with reference to Fig. 3 and Fig. 4, in the embodiment of the present invention, spray booth can include square side wall a and cover plate b, square side wall a's
Open top, cover plate b lids are located at the top open part of square side wall a.
In the embodiment of the present invention, square side wall a can include head and the tail be sequentially connected and vertically set the first side plate 1,
Second side plate 2, the 3rd side plate 3 and the 4th side plate 4, the first side plate 1 and the 3rd 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, the 3rd side plate 3 and the 4th side plate 4 surround an open-topped square knot
Structure.
Cover plate b lids in the embodiment of the present invention are located at the top open part of above-mentioned direction structure, and cover plate b can include the
One top board 5 and the second top board 6, second top board the first top board 5 and the second top board 6 include be oppositely arranged in the first direction first
Side and the 3rd side, and the second side that is oppositely arranged in a second direction and four side, first direction and second direction
It is vertically arranged.
The second side of the first top board 5 of the embodiment of the present invention is higher than the first of the first top board 5 relative to the height on ground
Relative to the height on ground, the second side of the second top board is higher than the first side of the second top board 6 relative to the height on ground for side
While relative to the height on ground.
The first side of the first top board 5 of the embodiment of the present invention is overlapped on the top of the first side plate 1, the of the first top board 5
The second side of dual side-edge and the second top board 6 links together, and the second side of the second top board 6 is overlapped on the top of the 3rd side plate 3
Portion.
The second side of the first top board 5 of the embodiment of the present invention and the second side of the second top board 6 flush setting, the first top
The second side of the second side of plate 5 and the second top board 6 is overlapped on the top of the second side plate 2.
The four side of the first top board 5 and the four side of the second top board 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 board 6 is overlapped on the top of the 4th side plate 4.
By said structure, it is known that the top board of the spray booth in the embodiment of the present invention is a knot that middle part is high, both sides are low
Structure, center of the moisture convergence that can be so produced when magnesium oxide coating is sprayed at the top of spray booth, and along the first top
The top board 6 of plate 5 and second is flowed down, it is to avoid steam is directly dropped on the silicon steel sheet for being sprayed into the globule, influence silicon steel sheet
The coating quality of magnesium oxide coating.
In order to preferably discharge steam, the first top board 5 and the second top board 6 in the embodiment of the present invention can with V-shaped arrangement,
First top board 5 and the second top board 6 for the angle between straight line based plate, and the first top board 5 and the second top board 6 can for 120 °~
160°。
First top board 5 and the second top board 6 of the embodiment of the present invention curved can also arrange (with reference to Fig. 5), the first top board 5
And the second central angle between top board 6 is 120 °~160 °.
In the embodiment of the present invention, the second side of the second side of the first top board 5 and the second top board 6 can be integrated in one
Rise, to ensure the structural strength of spray booth.
In the embodiment of the present invention, the first side of the first top board 5 can extend in the top outer of the first side plate 1, first
The outer wall of side plate 1 is vertically provided with multiple water receiving pipes 7 at equal intervals, and the steam discharged from the first top board 5 can be by water receiving
Pipe 7 is discharged.
Equally, in the embodiment of the present invention, the first side of the second top board 6 can extend in the top outer of the 3rd side plate 3,
The outer wall of the 3rd side plate 3 is also vertically provided with multiple water receiving pipes 7 at equal intervals, and the steam discharged from the second top board 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, with reference to Fig. 6, in the embodiment of the present invention, first
The inwall of side plate 1, the second side plate 2, the 3rd side plate 3 and the 4th side plate 4 can be provided with multiple and be in tilted layout in the same direction
Water receiving tank 8, the groove width of multiple water receiving tanks 8 increases successively from top to bottom, and one end of water receiving tank 8 is arranged in spray booth, water receiving
The other end of groove 8 is less 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, the second side
Steam on plate 2, the 3rd side plate 3 and the 4th side plate 4 can focus on water receiving tank 8, and incline direction along water receiving tank 8 is emitted into
Spraying is outdoor, to ensure that spray booth has suitable temperature and humidity.
In the embodiment of the present invention, the square side wall a and cover plate b for constituting spray booth can be made up of cold storage plate construction, side
The thickness of shape side wall a and cover plate b need to be not less than 150mm, and the thickness of each cold storage plate is not less than 0.4mm.
With reference to Fig. 3, in the embodiment of the present invention, an inlet/outlet 9, the turnover are provided with the square 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 dorsad drying oven sets the second side plate 2
Put.
With reference to Fig. 3 and Fig. 4, the embodiment of the present invention can be provided with two materials mouthful on the second side plate 2 and the 4th side plate 4
11, a conveyer belt for conveying silicon steel sheet is provided between two material inlets.
With reference to Fig. 3, the embodiment of the present invention can be provided with a spraying in the first side plate 1 near the position of the second side plate 2
The entrance 12 of machine.When magnesium oxide coating spraying is carried out to silicon steel sheet, the output section of flush coater enters into spraying by entrance 12
Interior, and positioned at the surface of conveyer belt, streamlined completes the spraying coating process of magnesium oxide coating.
The spraying coating process of magnesium oxide coating is coated by double-roller type coating machine, and the double-roller type coating machine includes
Upper coating roller, lower coating roller, pallet, magnesia apply liquid circulating device and magnesia are applied the magnesia painting in liquid circulating device
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
Entered into pallet after masking liquid overflow, the lower coating roller carries out the painting of silicon steel sheet lower surface using the magnesia masking liquid in pallet
Cover.
Fig. 7 is the moisture content of magnesium oxide coating in the spraying method that the embodiment of the present invention is used and the spray that is used before
The contrast effect figure of the moisture content of magnesium oxide coating in coating method, from figure 7 it can be seen that used using the embodiment of the present invention
The moisture content of the magnesium oxide coating that spraying method is carried out is significantly reduced, and amplitude of variation is smaller, can more ensure silicon steel sheet bottom
The quality of production of layer.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of manufacture method of orientation silicon steel, it is characterised in that including：
Silicon steel sheet enter drying oven before, silicon steel sheet is placed in spray booth, it is described spraying indoor location and run have constant temperature
Constant humidity unit, the operation of the constant temperature and humidity unit makes the spray booth have the constant temperature and humidity for being adapted to magnesium oxide coating spraying
Environment；
The spraying coating process of the magnesium oxide coating of silicon steel sheet is completed in the spray booth；
The silicon steel sheet of spraying coating process of magnesium oxide coating is completed into carrying out high-temperature annealing process in drying oven.
2. a kind of spraying method of orientation silicon steel magnesium oxide coating, it is characterised in that including：
Silicon steel sheet enter drying oven before, silicon steel sheet is placed in spray booth, it is described spraying indoor location and run have constant temperature
Constant humidity unit, the operation of the constant temperature and humidity unit makes the spray booth have the constant temperature and humidity for being adapted to magnesium oxide coating spraying
Environment；
The spraying coating process of the magnesium oxide coating of silicon steel sheet is completed in the spray booth.
3. the spraying method of a kind of orientation silicon steel magnesium oxide coating according to claim 2, it is characterised in that described to be adapted to
The constant-temperature constant-humidity environment of magnesium oxide coating spraying includes：Temperature≤10 DEG C, humidity≤40%.
4. a kind of spraying method of orientation silicon steel magnesium oxide coating according to claim 2, it is characterised in that the spraying
Room includes cover plate and square side wall, and the open top of the square side wall, the cover plate lid is located at the top of the square side wall
At opening.
5. the spraying method of a kind of orientation silicon steel magnesium oxide coating according to claim 4, it is characterised in that
The square side wall includes the first side plate, the second side plate, the 3rd side plate and that head and the tail are sequentially connected and vertically set
Four side plates, first side plate and the 3rd side plate are oppositely arranged, and second side plate and the 4th side plate are oppositely arranged；
The cover plate includes the first top board and the second top board, and first top board and second top board are included in the first direction
The first side and the 3rd side being oppositely arranged, and the second side that is 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 board relative to ground height higher than first top board first side relative to ground
The height in face, the second side of second top board is relative higher than the first side of second top board relative to the height on ground
In the height on ground；
The first side of first top board is overlapped on the top of first side plate, the second side of first top board and institute
The second side for stating the second top board links together, and the second side of second top board is overlapped on the top of the 3rd side plate
Portion；
The second side of the second side of first top board and second top board flushes setting, the second of first top board
The second side of side and second top board is overlapped on the top of second side plate；
The four side of first top board and the four side of second top board flush setting, the 4th of first top board the
The four side of side and second top board is overlapped on the top of the 4th side plate.
6. the spraying method of a kind of orientation silicon steel magnesium oxide coating according to claim 5, it is characterised in that described first
Top board and the V-shaped arrangement of second top board or curved arrangement.
7. the spraying method of a kind of orientation silicon steel magnesium oxide coating according to claim 6, it is characterised in that described first
Top board and the V-shaped arrangement of the second top board, the angle between first top board and second top board is 120 °~160 °.
8. the spraying method of a kind of orientation silicon steel magnesium oxide coating according to claim 6, it is characterised in that described first
Top board and the curved arrangement of the second top board, central angle between first top board and second top board for 120 °~
160°。
9. the spraying method of a kind of orientation silicon steel magnesium oxide coating according to claim 5, it is characterised in that described first
The first side of top board extends in the top outer of first side plate, and the first side of second top board extends in described
The outer wall of the top outer of three side plates, first side plate and the 3rd side plate is vertically provided with multiple water receivings at equal intervals
Pipe.
10. the spraying method of a kind of orientation silicon steel magnesium oxide coating according to claim 5, it is characterised in that described
The inwall of side plate, second side plate, the 3rd side plate and the 4th side plate is provided with multiple and inclines in the same direction
The water receiving tank tiltedly arranged, the groove width of multiple water receiving tanks increases successively from top to bottom, and one end of the water receiving tank is arranged on institute
State in spray booth, the one end of the other end less than the water receiving tank of the water receiving tank, the other end of the water receiving tank stretches out described
Spray booth.
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| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109055920A (en) * | 2018-08-31 | 2018-12-21 | 北京曙光航空电气有限责任公司 | A kind of preparation and application of magnesia film masking liquid |
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| CN201658956U (en) * | 2009-12-22 | 2010-12-01 | 鞍钢股份有限公司 | Mixing device of MgO coating liquid of orientation silicon steel decarbonization annealed wire |
| 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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| 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 of MgO coating liquid of orientation silicon steel decarbonization annealed wire |
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| CN109055920A (en) * | 2018-08-31 | 2018-12-21 | 北京曙光航空电气有限责任公司 | A kind of preparation and application of magnesia film masking liquid |
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| CN106756978B (en) | 2019-07-12 |
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