CN101596385B - Ventilator filtering screen coated with ceramic and manufacturing method thereof - Google Patents
Ventilator filtering screen coated with ceramic and manufacturing method thereof Download PDFInfo
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- CN101596385B CN101596385B CN2008101280201A CN200810128020A CN101596385B CN 101596385 B CN101596385 B CN 101596385B CN 2008101280201 A CN2008101280201 A CN 2008101280201A CN 200810128020 A CN200810128020 A CN 200810128020A CN 101596385 B CN101596385 B CN 101596385B
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- 238000001914 filtration Methods 0.000 title claims abstract description 47
- 239000000919 ceramic Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000000576 coating method Methods 0.000 claims abstract description 32
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- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/36—Kitchen hoods
Abstract
The present invention relates to a ventilator filtering screen coated with ceramic and a manufacturing method thereof, and especially to the ventilator filtering screen which has a material surface of the ventilator filtering screen coated with ceramic thereby not only can easily remove the deposit of the acid-decayed and deteriorated edible oil vapor for sustaining a clean state for a long time but also obtain an effect that the coating is non-combustible or hard-combustible and can restrain the generation of noxious gas when the hot vapor from fire disaster or high-temperature environment passes through the ventilator filtering screen.
Description
Technical field
The present invention relates to a kind of ventilator filtering screen and manufacture method thereof, relate in particular to the ventilator filtering screen and the manufacture method thereof that the material surface of ventilator filtering screen coating functionality ceramic layer are had following effect, promptly (1) improves washing performance effectively, thereby the attachment of the steam of the edible oil that can easily become sour to heating and go bad washs and removes, with the clean state of long term maintenance; (2) owing to strengthened washing fastness, can more or not be coated in the situation that filming of smoke exhaust ventilator is stripped from because of the surface is scratched distortion, variable color, cracking (be full of cracks) phenomenon that reduces gloss or generation screen pack thereby often wash yet; (3) when the heat steam of breaking out of fire or high temperature passes through ventilator filtering screen, film to have and do not fire or difficult effect of firing, also can suppress the generation of toxic gas simultaneously.
Background technology
Usually, the main material of ventilator filtering screen is metal and alloys thereof such as aluminium, stainless steel, copper, titanium; Perhaps be ceramic materials such as glass, pottery, refractory body; Perhaps be thermoplastic resins (thermoplastic resin) such as polyethylene (PE), polypropylene (PP), polystyrene (PS), polymethyl methacrylate (PMMA), polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), PET resin, ABS resin; And thermosetting resin (thermosettingresin) such as polyvinyl acetate (PVAC), unsaturated polyester (UP) (UP), polyurethane (PUR), phenolic resins (PF), Lauxite (UF), melmac (MF), epoxy resin; With the engineering plastics of combined fiberglass, glass powder, ceramic fibre, ceramic powders (example: the PBT of hybrid glass powder in PET) etc. in order to improve thermal performance, mechanical performance and on thermoplastic resin or thermosetting resin.
But aforesaid existing metal, pottery or plastics are material, perhaps are purpose and there is following shortcoming in the ventilator filtering screen that applies powder coating, organic coating thereon with the decoration.
First: the ventilator filtering screen that directly bears at least 80～200 ℃ heat or bear heat indirectly by the oil on the steam, water vapour, burning gases etc. is As time goes on because of being attached the oil piled up and the pollutant of burning gases, phenomenons such as variable color, decolouring, carbonization take place, and have problems such as the aeration of ventilator filtering screen and filter effect reduction.Be attached pollutant at screen pack in the combination of screen pack surface chemistry, therefore also be difficult to clean with washing agent and brush.
Second: when screen pack uses plastic material, because its shortcoming, promptly because low (the pencil hardness 3B～2H) of case hardness, along with frequent washing ventilator filtering screen, scratch phenomenon and reduce gloss on its surface, and be easy to, thereby distortion, variable color, the cracking phenomenons such as (be full of cracks) of generation screen pack by benzene, toluene, acetone and other organic solvent dissolving, swelling.And, under the situation to described metal, ceramic or plastic material coating powder coating, organic coating, the pollutant of organic coating film and oil also can not only be not easy washing because of chemical bond, and when washing the phenomenon that scratches and film and be stripped from takes place easily, therefore, reduce the functional result of ventilator filtering screen.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is to provide a kind of ventilator filtering screen with following effect, promptly to the material surface coated with ceramic of ventilator filtering screen and improve washing fastness effectively, and can easily remove the attachment that heats the edible oil steam that becomes sour and go bad and keep clean state for a long time by washing, and not only do not fire or the effect of difficult combustion, and can suppress the generation of toxic gas when the heat steam of flame or high temperature makes during through ventilator filtering screen to film to have.
To achieve these goals, the ventilator filtering screen of coated with ceramic provided by the present invention comprises: the material layers with certain area and thickness; The surface-treated layer on described material layers surface; Ceramic coating on the described surface-treated layer.
At this moment, described ceramic coating comprises: percentage by weight is 40%～74% silica (SiO
2), described 40%～74% for the percentage by weight of ceramic coating composition be 100% o'clock relative value; Percentage by weight is the inorganic oxide that 25%～59% inorganic filling material and inorganic pigment are formed, described 25%～59% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
It is 1%～7% organic principle that described ceramic coating also comprises percentage by weight, described 1%～7% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
And the coating thickness that is coated in the ceramic coating of described surface-treated layer is 0.1～100 micron.
The manufacture method of the ventilator filtering screen of ceramic coating provided by the present invention comprises step: material surface treatment step (S1) forms the surface-treated layer on certain ventilator filtering screen surface; Drying and preheating step (S2) are carrying out carrying out preheating before drying and the coating to described material surface processing layer; Ceramic coating forms step (S3), and ceramic coating is carried out on the surface of described surface-treated layer; Drying and cure step (S4), dry and hardened 6 minutes～15 minutes under the temperature of normal temperature～250 ℃, so that coated solvent evaporates of filming and hardened coating film.
At this moment, forming the formed described pottery of step (S3) at ceramic coating is coated with and comprises: percentage by weight is 40%～74% silica (SiO
2), described 40%～74% for the percentage by weight of ceramic coating composition be 100% o'clock relative value; Percentage by weight is the inorganic oxide that 25%～59% inorganic filling material and inorganic pigment are formed, described 25%～59% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
And, also comprise percentage by weight in the described ceramic coating and be 1%～7% organic principle, described 1%～7% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
Screen pack provided by the present invention has following advantage.
First: as mentioned above, coating than general material or coating thereon has excellent washing performance and excellent hear resistance, scratch resistance, high rigidity, also can keep beautiful appearance thereby be exposed under the environment of abominable external environment condition or higher temperature, improve the quality of product.
Second: stain resistance, solvent resistance excellence, therefore be not easy attaching oil or pollutant, and clean with wet towel easily, can do not dissolved, thereby pollutant and the contaminated oil that can utilize the very strong organic solvent of water or neutral detergent or dissolubility easily only will adhere to are removed by any solvent (Solvent).
The the 3rd: than the method for organic coatings such as coating fluorine, epoxy, propylene, polyurethane, be not easy to be scratched, again can be not burned because of ceramic coating, thereby when being coated in metal and ceramic material surface, have the characteristics of not firing, when being coated in frosting, have difficult combustion characteristics, from but be beneficial to environmental protection.
Description of drawings
Fig. 1 is the cutaway view of expression according to the section of the ventilator filtering screen of coated with ceramic provided by the present invention;
The cutaway view that Fig. 2 comprises the thin portion section of ceramic coating for the structure chart and the expression of the ventilator filtering screen of coated with ceramic provided by the present invention;
Fig. 3 is the figure that finishes of the ventilator filtering screen that forms ceramic coating provided by the present invention;
Fig. 4 is the flow chart of the manufacture process of the ceramic coating of expression ventilator filtering screen provided by the present invention.
The main symbol description of accompanying drawing: 1 is ceramic coating, and 2 is surface-treated layer, and 3 is material layers, and 4 is the smoke exhaust ventilator main body, and 5 is the smoke exhaust ventilator exhaust outlet, and 6 is ventilator filtering screen.
The specific embodiment
Below, describe embodiments of the invention in detail with reference to accompanying drawing.
Fig. 1 is the cutaway view of expression according to the section of the ventilator filtering screen of ceramic coating provided by the present invention, and Fig. 2 comprises the structure chart of smoke exhaust ventilator of ventilator filtering screen of ceramic coating provided by the present invention and the cutaway view that expression comprises the thin portion section of ceramic coating.Ventilator filtering screen of the present invention comprises: form the material layers 3 of the main body of ventilator filtering screen, the surface-treated layer 2 above the described material layers 3, be coated in the ceramic coating 1 on the described surface-treated layer 2.The main material of ventilator filtering screen is metal and alloys thereof such as aluminium, stainless steel, copper, titanium; Perhaps be ceramic materials such as glass, pottery, refractory body; Perhaps be thermoplastic resins (thermoplastic resin) such as polyethylene (PE), polypropylene (PP), polystyrene (PS), polymethyl methacrylate (PMMA), polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), PET resin, ABS resin; And thermosetting resin (thermosetting resin) such as polyvinyl acetate (PVAC), unsaturated polyester (UP) (UP), polyurethane (PUR), phenolic resins (PF), Lauxite (UF), melmac (MF), epoxy resin; With combined fiberglass, glass powder in order to improve thermal performance, mechanical performance and on thermoplastic resin or thermosetting resin, the engineering plastics of ceramic fibre, ceramic powders (example: the PBT of hybrid glass powder in PET) etc.; And simultaneously these materials more than a kind or 2 kinds are used through die casting, extruding, bending, injection moulding, joint, combination.
For the material layers 3 of adhering to described ventilator filtering screen forms surface-treated layer 2 with ceramic coating 1.The processing method of surface-treated layer 2 comprises according to the characteristic of material: mechanicalness surface treatment (grinding, sandblast, blast cleaning, dry ice blasting), physical chemistry surface treatment (wash, dissolve, prime, gold-plated, CVD, PVD) and chemistry surface treatment methods such as (anodic oxide coating, flame, ozone, medicine, UV, radioactive ray, discharges).
Below, describe the method that forms the mechanicalness surface-treated layer in detail.Grinding refers to and utilizes sand paper, grinding stone, metal brush etc. material surface to be processed into the method for the concave-convex surface shape of hachureization, swingization (vibration) form.Sandblast refers to and utilizes compressed air to make the surface treatment of material become concavo-convex method ceramic particles such as the diamond dust of 10～200 order sizes, aluminium oxide.Blast cleaning refer to utilizes compressed air to make the surface treatment of material become concavo-convex method on glass microballoon, ceramic powder, the stainless steel powder equal sphere particle of 10～200 order sizes.And dry ice blasting refer to utilizes compressed air to make the surface of material form concavo-convex method the dry ice sheet of 10～200 order sizes.
Below, describe the method that forms the physical chemistry surface-treated layer in detail.Washing refers to and utilizes alkaline detergent, neutral detergent, non-solubility organic solvent, distilled water to remove the pollution of frosting and the method for material surface being carried out activate.Dissolving refers to the method that makes plastic material surface dissolution or swelling as organic solvents such as BTX (benzene,toluene,xylene), hexane, ketone (acetone, MEK, MIBK) 2-methoxypropanol of utilizing.Priming refers to for surface-treated layer and ceramic coating form chemical bond power, use allyl resin, epoxy resin, silane coupler and be bonded together with material surface, and form can with the method for the chemically combined active layer of ceramic coating.Processing methods such as gold plating method has that electric gold-plated, chemical gilding, fusion are gold-plated, vacuum metallizing, infiltration are gold-plated, preparation of ion plated gold, and form the reactive metal epithelium that can combine with ceramic coating at material surface.CVD and PVD refer to the method for chemistry, physics and have the method for the reactive metal or the reactive metal oxides of adhesion for material surface evaporation and ceramic coating.
Below, describe the method that forms the chemistry surface-treated layer in detail.Anodic oxide coating refers to the state that is immersed in aluminium and aluminium alloy in the acid solution (sulfuric acid, hydrofluoric acid) or is immersed in acid solution (sulfuric acid, hydrofluoric acid) and connects power supply (direct current or interchange) down, thereby forms the method for aluminium oxide epithelium (anodic oxide coating, electrochemical aluminium (alumite), anodic oxidation) layer on aluminium and aluminum alloy material surface.Flame refers to the flame of moment contact high temperature and makes the part burning (CO of stable plastics organic high molecular polymer
2, H
2O, NO
3) get up, thereby the frosting layer of formation activate.Ozone refers to the ozone (O with strong oxidizing property
3) contact frosting and oxidation (CO
2) stable organic polymer carbon, thereby form by the method for the frosting layer of activate.Medicine refers to mistake mangaic acid (K
2CrO
7-H
2SO
4Systems etc.) medicine is contacted with nonpolarity plastic material surface, thereby forms the method for polar layer (CO base, OH base, alkyl sulfate etc.) on the plastic material surface.UV refers to and utilizes ultraviolet ray that organic decomposition is destroyed the carbon key on plastic material surface and form by the method for the frosting layer of activate.The radiation exposure that radioactive ray refer to α, β, γ line decomposes molecular link to the plastic material surface, thereby obtains by the method for the frosting layer of activate.Charging method has plasma processing and Corona discharge Treatment method, the activity of the molecule that utilizes electronics, ion, free radical, excitation state of referring to etc. form the method for polar layer on the plastic material surface.
The surface treatment method of described surface-treated layer is most of material surface processing method for knowing altogether, and the method for formation surface-treated layer of the present invention is not limited to said method.
In the present invention, ceramic coating as the core is the transparent, coloured of 0.1～100 micron thickness or the coloured ceramic coating with metallicity of metal-like, and has functional characteristics such as available multiple color decoration, stain resistance, washing fastness, solvent resistance, wearability, anti-rotten property, flame resistance, scratch resistance.
The main component of ceramic coating is by silica (SiO
2), material such as other inorganic oxides forms, and the content of silica is more than 40% after converting with the ceramic coating composition, the content of other inorganic oxides is more than 25% after converting with the ceramic coating composition, and comprises the organic principle smaller or equal to 7%.
Described other inorganic oxides refer to inorganic filling material and inorganic pigment, and the transition metal oxide of this inorganic pigment various color by the distinctness that forms ceramic coating is formed.
Inorganic filling material comprises aluminium oxide (Al
2O
3), silica (SiO
2), zirconia (ZrO
3), zircon (SiZrO
4), talcum etc.
In described other inorganic oxides, the average grain diameter that the inorganic pigment refer to multiple color is extensively sold in market is pigment such as pearlescent pigment such as the inorganic pigment, mica-titanium oxide base of transition metal oxides system such as 0.03～20 micron titanium oxide, zinc oxide, iron oxide, cobalt oxide, chromium oxide.
The percentage by weight of described organic principle is smaller or equal to 7%.The organic principle of filming comprises: be included in unvaporized alcohols under unreacted alkoxyl, drying and the hardening state of the organic group that organoalkoxysilane comprised, organoalkoxysilane and quaalkane oxosilane in filming.
The organic group of organoalkoxysilane is with general formula R Si (OR ')
3The R (carbon unit subnumber is 1～8 organic group) of the organoalkoxysilane of (in the formula: R represents that carbon unit subnumber is that 1～8 organic group, R ' expression carbon number are that 1～5 alkyl or carbon number are 1～4 acyl group) expression, described organic group are through hydrolysis, drying and harden and also can not burn.The object lesson of the organic group of this organoalkoxysilane has methyl, ethyl, n-propyl group, i-propyl group, γ-chloropropyl, vinyl, 3.3.3-trifluoro propyl, γ-glycidoxy propyl group (glycidoxypropyl), γ-methacryloxypropyl (methacryloxypropyl), γ-sulfydryl propyl group (mercaptopropyl), phenyl, γ-aminopropyl, 3.4-epoxycyclohexyl ethyl etc.
The alkoxyl of hydrolysis does not comprise: with general formula R Si (OR ')
3The alkoxyl and the OR ' (R ' expression carbon number is 1～5 alkyl) of the organoalkoxysilane that (in the formula: R represents that carbon unit subnumber is that 1～8 organic group, R ' expression carbon number are that 1～5 alkyl or carbon number are 1～4 acyl group) represented; With general formula (OR ")
3Si-(OSi)
n(OR ")
2n+1(in the formula: R " be the alkyl of carbon number 1～5 or be the acyl group of carbon number 1～4, n=1,2,3 ... n) alkoxyl of Biao Shi quaalkane oxosilane and be the alkyl of carbon number 1～5 with OR " (R ") expression be specially methoxyl group, ethyoxyl etc.
Unvaporized alcohols has the hydrolysis of inorganic bonding agent organoalkoxysilane and quaalkane oxosilane and the product of methyl alcohol of generating, ethanol etc. under drying and the sclerosis situation, also have methyl alcohol that the dispersion medium as the inorganic bonding agent colloidal oxide uses, ethanol, isopropyl alcohol etc., also comprise the solvent of the alcohols that adds artificially that forms ceramic coating of the present invention.
As the percentage by weight of the organic principle of described ceramic coating composition above 7% o'clock, the hear resistance of ceramic coating, the decline of anti-rotten property, produce toxic gas when contact high temperature or breaking out of fire, film burned and combine with the pollutant that adheres to, washing performance descends, thereby, show as the characteristic of organic coating on the contrary than the characteristic of the rerum natura of filming of hear resistance ceramic coating.
The coating method of ceramic coating has spraying, roller coat, dip-coating (dip-coating), flow coat methods such as (flow coating), the coating method of this ceramic coating is to be generally the applying coating method of knowing altogether, and the present invention does not only limit and forms ceramic coating of the present invention with described coating method.
Ventilator filtering screen with coated with ceramic provided by the present invention of this cross-section structure is finished through following manufacturing step.
Fig. 4 comprises step: the material surface treatment step (S1) that forms the surface-treated layer on certain ventilator filtering screen surface for the flow chart of the manufacturing step of the ceramic coating of expression ventilator filtering screen provided by the present invention; In the drying and preheating step (S2) of described material surface processing layer being carried out carry out preheating before drying and the coating; Described surface treatment laminar surface is carried out the step (S3) of ceramic coating; In order to volatilize coated solvent of filming and hardened coating film under the temperature of normal temperature～250 ℃ the dry and step (S4) of hardening 6 minutes～15 minutes.
At this, described ceramic coating has the effect that prevents the pollution that caused because of the oiliness thing, it is not dissolved in trichloro-ethylene (TCE), MEK (MEK), acetone, dimethyl formamide any solvents (Solvent) such as (DMF), and forms the ceramic coating of features such as having the pencil hardness 5H that films is above, stain resistance, flame resistance, super anti-rotten property, solvent resistance, avirulence.
Table one is right＜screen pack 1〉and＜screen pack 2 the result that compares of rerum natura,＜screen pack 1〉be after the smoke exhaust ventilator that aluminum alloy plate materials carries out ultra tiny boring processing is handled through anodic oxide coating with screen pack, apply the ventilator filtering screen of ceramic coating of the present invention at its surface-treated layer, and＜screen pack 2〉be that aluminum alloy plate materials is carried out the screen pack of the smoke exhaust ventilator of ultra tiny boring processing with coating powder coating on the screen pack.Table two is right＜screen packs 3〉and＜screen pack 4 the result that compares of rerum natura,＜screen pack 3〉be to stainless steel (STS-304) hole the smoke exhaust ventilator of processing with screen pack through after the blasting treatment, apply the ventilator filtering screen of ceramic coating of the present invention at its surface-treated layer, and＜screen pack 4〉be the untreated smoke exhaust ventilator screen pack that stainless steel (STS-304) is holed and do not applied after the processing.
Table one rerum natura relatively
Table two rerum natura relatively
1. pencil hardness: utilize pencil scratching tester to mark 10mm, survey repeatedly 5 times with this with the power of 1kgf (9.8N) and the speed of 1cm/sec.
2. tack: cling the quantity of the chessboard of not being stripped from when peeling off then with adhesive tape after making 100 chessboards with interval 1mm.
3, hear resistance: after 200 ℃ of heating 24 hours, the be full of cracks of filming, whether peel off reach material variable color whether.
4. hear resistance: after 350 ℃ of heating 6 hours, the be full of cracks of filming, whether peel off reach material variable color whether.
5. wearability: CS-17 (emery wheel a kind of) is applied 9.8N (1kgf), and rotation 500 is calculated reduction after changeing.
6. stain resistance I: salad oil and carbon (salad oil: carbon=100: 1 weight ratios) mix the back and use its contaminated surface, place and to wash with water afterwards in 72 hours.
7. stain resistance II: with the salad oil contaminated surface that becomes sour, cool off after under 60 ℃ of temperature, keeping 24 hours, can wash with water.
8. stain resistance III: use the salad oil contaminated surface, under 230 ℃ of temperature, keep 6 hours after cooling, and can judge with the washing of liquid neutral detergent.
9. solvent resistance: be immersed in TCE (trichloro-ethylene), the acetone solvent after 72 hours, swelling, whether peel off.
Table three is that the ventilator filtering screen that is formed with ceramic coating of the present invention is an object, the result of the dissolution test of making according to the test method of stable Room bulletin 98-60 number " the benchmark specification of utensil and container package " of Korean foods pharmaceuticals.
The dissolution test result of the ceramic coating of table three ventilator filtering screen
The ventilator filtering screen of above-described coated with ceramic of the present invention can be applicable to following field.
(1) is used in kitchen appliance inside/outside decorative materials such as the smoke exhaust ventilator of the electric equipment products of utilizing electric or coal gas and kitchen Wall board;
(2) the inside and outside ornament materials of coal gas that uses in the field that cooking food, small powder class, oils etc. are splashed easily and electric cookware, heater housing, air conditioner shell;
The screen pack of the fume hood of pollutants such as the burning gases of the edible oil that produces when (3) reclaiming heating cooking, the heating steam of edible oil, water vapour, air conditioner, pipeline, fan.
Claims (5)
1. the ventilator filtering screen of a coated with ceramic is characterized in that comprising:
Material layers with certain area and thickness;
The surface-treated layer on described material layers surface;
Ceramic coating on the described surface-treated layer,
Described ceramic coating comprises: percentage by weight is 40%～74% silica (SiO
2), described 40%～74% for the percentage by weight of ceramic coating composition be 100% o'clock relative value; Percentage by weight is the inorganic oxide that 25%～59% inorganic filling material and inorganic pigment are formed, described 25%～59% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
2. the ventilator filtering screen of coated with ceramic according to claim 1, it is characterized in that it is 1%～7% organic principle that described ceramic coating also comprises percentage by weight, described 1%～7% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
3. the ventilator filtering screen of coated with ceramic according to claim 1 and 2, the coating thickness that it is characterized in that being coated in the ceramic coating of described surface-treated layer is 0.1～100 micron.
4. the manufacture method of the ventilator filtering screen of a coated with ceramic is characterized in that comprising step:
The material surface treatment step forms the surface-treated layer on certain ventilator filtering screen surface;
Drying and preheating step are carrying out carrying out preheating before drying and the coating to described material surface processing layer;
Ceramic coating forms step, and ceramic coating is carried out on the surface of described surface-treated layer;
Drying and cure step, dry and hardened 6 minutes～15 minutes under the temperature of normal temperature～250 ℃, so that coated solvent evaporates of filming and hardened coating film,
Forming the formed ceramic coating of step at ceramic coating comprises: percentage by weight is 40%～74% silica (SiO
2), described 40%～74% for the percentage by weight of ceramic coating composition be 100% o'clock relative value; Percentage by weight is the inorganic oxide that 25%～59% inorganic filling material and inorganic pigment are formed, described 25%～59% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
5. the manufacture method of the ventilator filtering screen of coated with ceramic according to claim 4, it is characterized in that forming the formed described ceramic coating of step at ceramic coating, also to comprise percentage by weight be 1%～7% organic principle, described 1%～7% for the percentage by weight of ceramic coating composition be 100% o'clock relative value.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2008-0007238 | 2008-06-02 | ||
| KR2020080007238 | 2008-06-02 | ||
| KR2020080007238U KR20090012442U (en) | 2008-06-02 | 2008-06-02 | The hood filter instrument possessing ceramic coating and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101596385A CN101596385A (en) | 2009-12-09 |
| CN101596385B true CN101596385B (en) | 2011-11-16 |
Family
ID=41418092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101280201A Active CN101596385B (en) | 2008-06-02 | 2008-07-09 | Ventilator filtering screen coated with ceramic and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20090012442U (en) |
| CN (1) | CN101596385B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006432A (en) * | 2014-05-19 | 2014-08-27 | 华南理工大学 | Centralized cooking oil fume treating and recycling system |
| TWI610643B (en) * | 2017-04-25 | 2018-01-11 | Lu Yi Teng | Spout filter |
| WO2023136458A1 (en) * | 2022-01-14 | 2023-07-20 | 삼성전자주식회사 | Coating filter and hood to which same is applied |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157929A (en) * | 1976-06-17 | 1979-06-12 | Sulzer Brothers Limited | Method of making a porous dimensionally stable heat-resistant and corrosion-resistant plate-like structure |
| CN2375895Y (en) * | 1999-05-26 | 2000-04-26 | 刘恩华 | Cooking fume remover capable of automatic cleaning |
| CN2459569Y (en) * | 2000-12-30 | 2001-11-14 | 石磊 | Split exhauster |
| CN2511896Y (en) * | 2001-08-14 | 2002-09-18 | 林官宝 | Series connected cooker hood |
-
2008
- 2008-06-02 KR KR2020080007238U patent/KR20090012442U/en not_active Application Discontinuation
- 2008-07-09 CN CN2008101280201A patent/CN101596385B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157929A (en) * | 1976-06-17 | 1979-06-12 | Sulzer Brothers Limited | Method of making a porous dimensionally stable heat-resistant and corrosion-resistant plate-like structure |
| CN2375895Y (en) * | 1999-05-26 | 2000-04-26 | 刘恩华 | Cooking fume remover capable of automatic cleaning |
| CN2459569Y (en) * | 2000-12-30 | 2001-11-14 | 石磊 | Split exhauster |
| CN2511896Y (en) * | 2001-08-14 | 2002-09-18 | 林官宝 | Series connected cooker hood |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9-72588A 1997.03.18 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101596385A (en) | 2009-12-09 |
| KR20090012442U (en) | 2009-12-07 |
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