CN106065204B - A kind of energy-saving industrial furnace - Google Patents
A kind of energy-saving industrial furnace Download PDFInfo
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- CN106065204B CN106065204B CN201610407355.1A CN201610407355A CN106065204B CN 106065204 B CN106065204 B CN 106065204B CN 201610407355 A CN201610407355 A CN 201610407355A CN 106065204 B CN106065204 B CN 106065204B
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- 239000011248 coating agent Substances 0.000 claims abstract description 131
- 238000000576 coating method Methods 0.000 claims abstract description 131
- 238000009413 insulation Methods 0.000 claims abstract description 49
- 230000005855 radiation Effects 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 22
- 239000002086 nanomaterial Substances 0.000 claims abstract description 5
- 239000011449 brick Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 70
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 63
- 235000012216 bentonite Nutrition 0.000 claims description 32
- 239000000440 bentonite Substances 0.000 claims description 28
- 229910000278 bentonite Inorganic materials 0.000 claims description 28
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 28
- 239000002270 dispersing agent Substances 0.000 claims description 27
- 239000000499 gel Substances 0.000 claims description 25
- 239000013530 defoamer Substances 0.000 claims description 24
- 239000002562 thickening agent Substances 0.000 claims description 24
- 239000000080 wetting agent Substances 0.000 claims description 24
- 239000000377 silicon dioxide Substances 0.000 claims description 23
- 239000000919 ceramic Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 239000005995 Aluminium silicate Substances 0.000 claims description 16
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 16
- 235000012211 aluminium silicate Nutrition 0.000 claims description 16
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 16
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical class [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims description 15
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 14
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 11
- 229910052726 zirconium Inorganic materials 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- 239000004113 Sepiolite Substances 0.000 claims description 8
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 8
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 8
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- 229960004643 cupric oxide Drugs 0.000 claims description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 8
- UWXJKSWTTNLDIF-UHFFFAOYSA-N ethyne;yttrium Chemical compound [Y].[C-]#[C] UWXJKSWTTNLDIF-UHFFFAOYSA-N 0.000 claims description 8
- 239000010881 fly ash Substances 0.000 claims description 8
- 229910052746 lanthanum Inorganic materials 0.000 claims description 8
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 8
- 239000010445 mica Substances 0.000 claims description 8
- 229910052618 mica group Inorganic materials 0.000 claims description 8
- 239000004005 microsphere Substances 0.000 claims description 8
- 235000019353 potassium silicate Nutrition 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- 229910052624 sepiolite Inorganic materials 0.000 claims description 8
- 235000019355 sepiolite Nutrition 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims description 8
- 229910021342 tungsten silicide Inorganic materials 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 7
- 239000003643 water by type Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims description 2
- -1 boron carbides Chemical class 0.000 claims description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 2
- 229910021343 molybdenum disilicide Inorganic materials 0.000 claims description 2
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 239000008367 deionised water Substances 0.000 description 22
- 229910021641 deionized water Inorganic materials 0.000 description 22
- 239000003292 glue Substances 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 6
- 229910052580 B4C Inorganic materials 0.000 description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 229910007948 ZrB2 Inorganic materials 0.000 description 6
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 6
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 description 6
- 239000010941 cobalt Substances 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004965 Silica aerogel Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical class CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
- F27D1/0033—Linings or walls comprising heat shields, e.g. heat shieldsd
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paints Or Removers (AREA)
- Ceramic Products (AREA)
Abstract
The present invention discloses a kind of energy-saving industrial furnace, including furnace foundation body, and the furnace foundation body uses heat resistance fiber, refractory brick or micro Nano material；The outer wall of the furnace foundation body is coated with combination type heat insulating coating, and the inwall of furnace foundation body is coated with infra-red radiation energy-saving coating；The combination type heat insulating coating includes the inside holding coating, middle heat insulation coating and external thermal insulation coating for being arranged in order coating from inside to outside；The power-saving technology of radiant heat transfer combination thermodynamics insulation is strengthened in present invention application, that is the infrared high radiotechnology of high temperature resistant infrared energy-conserving coating, the connected applications of the thermal insulation technology of combination type heat insulating coating, efficiency of utilization can effectively be carried, have the characteristics that good energy-conserving effect, usage time are long, extend body of heater service life, while produce environmental protection effect.
Description
Technical field
The present invention relates to a kind of energy-saving industrial furnace.
Background technology
Industrial furnace is the highly energy-consuming equipment in numerous energy consumption equipments, its energy consumption account for enterprise's energy consumption 10%~
70%, some is even more more.By taking electronics industry stove as an example, its energy consumption accounts for the 30% of electronics industry energy consumption；Ceramics,
The stove energy consumption of glass production enterprise, the 50% of enterprise's energy consumption is accounted for, some even more highs.
Due to being influenceed by factors such as product processes, organization of production, stove construction, stove matrix materials, industrial furnace
Efficiency of utilization it is relatively low.If the plate glass stove thermal efficiency is 36% or so, the thermal efficiency of tunnel cave is also only 25%
~30%, the heat loss of kiln car accounts for 30%, and kiln body radiates 8%~10%.Therefore, the energy-conservation for how lifting industrial furnace is dived
Power is permanent important topic.
The content of the invention
It is an object of the invention to provide a kind of energy-saving industrial furnace, the furnace foundation body of the stove can reduce from stove to
The heat of the outer heat conduction loss of stove, and efficiency of utilization can be improved.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of energy-saving industrial furnace, including furnace foundation body, furnace foundation body use heat resistance fiber, refractory brick or micro Nano material；
The outer wall of the furnace foundation body is coated with combination type heat insulating coating, and the inwall of furnace foundation body is coated with infra-red radiation energy-saving coating；It is described
Combination type heat insulating coating includes the inside holding coating, middle heat insulation coating and external thermal insulation coating for being arranged in order coating from inside to outside；
Inside holding coating is based on weight/mass percentage composition, including following composition：10~38% fly ash floats, 7~24% oxidations
Zirconium aeroge, 11~23% kaolin, 5~13% bentonites, 3~12% sepiolite fibres, 9~20% zirconium colloidal sols, 0.5~2% disperse
Agent, 0.2~2% coalescents, 0.5~1% wetting agent, 0.2~1% thickener, 0.5~1% defoamer；8~15% deionized waters；
Middle heat insulation coating is based on weight/mass percentage composition, including following composition：11~32% hollow ceramic microspheres, 8~23% oxygen
Change aluminium aeroge, 9~21% mica powders, 6~14% bentonites, 4~14% ceramic fibres, 8~18% Alumina gels, 0.5~2% disperse
Agent, 0.2~2% coalescents, 0.5~1.5% wetting agent, 0.1~2% thickener, 0.5~1.5% defoamer；7~15% deionizations
Water；
External thermal insulation coating is based on weight/mass percentage composition, including following composition：8~35% hollow glass micropearls, 3~18% oxidations
Silica aerogel, 6~20% talcum powder, 0.5~8% bentonite, 3~10% quartz fibres, 4~16% Ludox, 5~9% di(2-ethylhexyl)phosphates
Hydrogen aluminium, 3~6% waterglass, 0.5~3% dispersant, 0.1~2% coalescents, 0.5~2% wetting agent, 0.1~3% thickener,
0.1~3% defoamer and 5~12% deionized waters；
The infra-red radiation energy-saving coating is based on weight/mass percentage composition, including following composition：3~8% Al adulterate SiC and C
Adulterate SiO2Compound material, 2~6% silicon borides, 2~5% titanium borides, 2~4% lanthanum borides, 3~7% boron carbides, 5~13% carbonization
Silicon, 1~3% yttrium carbide, 1~5% molybdenum disilicide, 1~5% tungsten silicide, 3~9% zirconium diborides, 4~16% silica, 2~5% oxygen
Change iron, 1~3% cupric oxide, 1~5% manganese oxide, 1~3% chromium oxide, 1~3% cobalt oxide, 1~7% kaolin, 2~8% boron glasses
Powder, 1~5% bentonite, 4~18% Ludox, 2~7% Alumina gels, 1~5% aluminium dihydrogen phosphate, 1~2% dispersant, 5~11% are gone
Ionized water.
Above-mentioned all coating materials are made according to respective ratio is well mixed.
The inside holding coating can 1700 DEG C of heatproof, middle heat insulation coating can 1100 DEG C of heatproof, external thermal insulation coating can
600 DEG C of heatproof, realize the insulation of different levels, different temperatures section.
Further, the thickness of the infra-red radiation energy-saving coating is 0.1~3.6mm.
Further, the thickness of the combination type heat insulating coating is 0.6~32mm, wherein the thickness of inside holding coating, in
The thickness of heat insulation coating and external thermal insulation coating is 0.2~15mm.
The invention has the advantages that the power-saving technology of radiant heat transfer combination thermodynamics insulation, bag are strengthened in application
Include the infrared high radiotechnology of wall high temperature resistant infrared radiating coating in furnace foundation body, furnace foundation external wall combination type heat insulating coating
Thermal insulation technology, coating can be attached to the inwall and outer wall of furnace foundation body for a long time, have and save, do not fall off, not ftractureing, improving production
Quality, it is environmentally friendly the features such as；Furnace foundation external wall combination type heat insulating coating, passes through interior, domestic and abroad different levels, different temperatures section
Heat insulation coating, effectively by furnace foundation body from being preferably minimized to outside stove by the heat of heat conduction loss in stove；Wall in furnace foundation body
With the high temperature resistant infrared radiating coating of micro nano structure, the structure of densification is formed in stove inwall, and effectively penetrate into furnace foundation body
In material, at high temperature with infrared high radiant rate, it will can be obstructed by radiations heat energy and furnace outer wall that stove inwall is radiated in stove
The heat transfer heat returned, effective re-radiation is to the product in stove；Thus substantially increase efficiency of utilization.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the enlarged partial sectional view of the present invention.
Embodiment
Embodiment one
With reference to shown in Fig. 1 and Fig. 2, the present invention provides a kind of energy-saving industrial furnace, including furnace foundation body 2, inside furnace foundation body 2
For burner hearth 1, furnace foundation body 2 is using heat resistance fiber, refractory brick or micro Nano material；The outer wall of the furnace foundation body 2 is coated with combined type
Heat insulation coating 4, the inwall of furnace foundation body 2 are coated with infra-red radiation energy-saving coating 3；The combination type heat insulating coating 4 is included by introversion
The outer inside holding coating 6 for being arranged in order coating, middle heat insulation coating 7 and external thermal insulation coating 8；
Inside holding coating 6 is based on weight/mass percentage composition, including following composition：24% fly ash float, 15% zirconium oxide airsetting
Glue, 16% kaolin, 9% bentonite, 8% sepiolite fibre, 11% zirconium colloidal sol, 0.5% dispersant, 0.5% coalescents, 1% wetting
Agent, 1% thickener, 1% defoamer and 13% deionized water；
Middle heat insulation coating 7 is based on weight/mass percentage composition, including following composition：13% hollow ceramic microspheres, 15% aluminum oxide gas
Gel, 21% mica powder, 6% bentonite, 9% ceramic fibre, 17% Alumina gel, 1% dispersant, 2% coalescents, 1.5% wetting agent,
1% thickener, 0.5% defoamer and 13% deionized water；
External thermal insulation coating 8 is based on weight/mass percentage composition, including following composition：22% hollow glass micropearl, 17% silica gas
Gel, 13% talcum powder, 3% bentonite, 6% quartz fibre, 16% Ludox, 8% aluminium dihydrogen phosphate, 5% waterglass, 1.5% disperse
Agent, 1% coalescents, 0.5% wetting agent, 1% thickener, 1% defoamer and 5% deionized water；
Infra-red radiation energy-saving coating 3 is based on weight/mass percentage composition, including following composition：8% Al adulterates SiC and C and adulterated
SiO2Compound material, 4% silicon boride, 3% titanium boride, 2% lanthanum boride, 4% boron carbide, 6% carborundum, 1% yttrium carbide, 1% 2 silication
Molybdenum, 1% tungsten silicide, 4% zirconium diboride, 16% silica, 2% iron oxide, 2% cupric oxide, 3% manganese oxide, 1% chromium oxide, 1% oxidation
Cobalt, 3% kaolin, 5% boron glass powder, 4% bentonite, 15% Ludox, 3% Alumina gel, 2% aluminium dihydrogen phosphate, 2% dispersant and 7%
Deionized water.The average grain diameter of the composition of infra-red radiation energy-saving coating 3 is below 0.5 μm.
Above-mentioned all coating materials are made according to respective ratio is well mixed, and stove is sprayed at brush or machine after being made
The inside and outside wall of kiln matrix 2.
The thickness of inside holding coating 6 is 0.2mm, the thickness of middle heat insulation coating 7 is 0.2mm, and the thickness of external thermal insulation coating 8 is
0.2mm；The thickness of infra-red radiation energy-saving coating 3 is 1mm.
Through experiment, the stove inwall high temperature resistant infrared radiating coating of the present embodiment radiance in 1500 DEG C of operating temperatures is
0.95, the thermal conductivity of furnace outer wall combination type heat insulating coating is 0.032 W/ (m K).
Embodiment two
The present embodiment is identical with the basic structure of embodiment one, and difference is：
Inside holding coating 6 is based on weight/mass percentage composition, including following composition：17% fly ash float, 19% zirconium oxide airsetting
Glue, 17% kaolin, 5% bentonite, 5% sepiolite fibre, 18% zirconium colloidal sol, 0.5% dispersant, 2% coalescents, 0.5% wetting
Agent, 0.5% thickener, 0.5% defoamer and 15% deionized water；
Middle heat insulation coating 7 is based on weight/mass percentage composition, including following composition：19% hollow ceramic microspheres, 16% aluminum oxide gas
Gel, 13% mica powder, 10% bentonite, 10% ceramic fibre, 16% Alumina gel, 0.5% dispersant, 1% coalescents, 0.5% wetting
Agent, 2% thickener, 1% defoamer and 11% deionized water；
External thermal insulation coating 8 is based on weight/mass percentage composition, including following composition：17% hollow glass micropearl, 16% silica gas
Gel, 18% talcum powder, 3.4% bentonite, 9% quartz fibre, 8% Ludox, 7% aluminium dihydrogen phosphate, 6% waterglass, 0.5% disperse
Agent, 0.1% coalescents, 1% wetting agent, 1.5% thickener, 1.5% defoamer and 11% deionized water；
Infra-red radiation energy-saving coating 3 is based on weight/mass percentage composition, including following composition：5% Al adulterates SiC and C and adulterated
SiO2Compound material, 5% silicon boride, 2% titanium boride, 2% lanthanum boride, 5% boron carbide, 7% carborundum, 3% yttrium carbide, 5% 2 silication
Molybdenum, 5% tungsten silicide, 5% zirconium diboride, 10% silica, 5% iron oxide, 2% cupric oxide, 3% manganese oxide, 1% chromium oxide, 1% oxidation
Cobalt, 2% kaolin, 2% boron glass powder, 1% bentonite, 11% Ludox, 3% Alumina gel, 1% aluminium dihydrogen phosphate, 2% dispersant and 11%
Deionized water.The average grain diameter of the composition of infra-red radiation energy-saving coating 3 is below 1 μm.
Above-mentioned all coating materials are made according to respective ratio is well mixed, and stove is sprayed at brush or machine after being made
The inside and outside wall of kiln matrix 2.
The thickness of inside holding coating 6 is 15mm, the thickness of middle heat insulation coating 7 is 2mm, and the thickness of external thermal insulation coating 8 is
15mm；The thickness of infra-red radiation energy-saving coating 3 is 3.6mm.
Through experiment, the stove inwall high temperature resistant infrared radiating coating of the present embodiment radiance in 1700 DEG C of operating temperatures is
0.96, the thermal conductivity of furnace outer wall combination type heat insulating coating is 0.028 W/ (m K).
Embodiment three
The present embodiment is identical with the basic structure of embodiment one, and difference is：
Inside holding coating 6 is based on weight/mass percentage composition, including following composition：10% fly ash float, 24% zirconium oxide airsetting
Glue, 23% kaolin, 5% bentonite, 6% sepiolite fibre, 20% zirconium colloidal sol, 2% dispersant, 0.2% coalescents, 0.6% wetting
Agent, 0.2% thickener, 1% defoamer and 8% deionized water；
Middle heat insulation coating 7 is based on weight/mass percentage composition, including following composition：11% hollow ceramic microspheres, 14% aluminum oxide gas
Gel, 19% mica powder, 10% bentonite, 14% ceramic fibre, 18% Alumina gel, 2% dispersant, 2% coalescents, 1% wetting agent,
0.5% thickener, 1.5% defoamer and 7% deionized water；
External thermal insulation coating 8 is based on weight/mass percentage composition, including following composition：8% hollow glass micropearl, 18% silica airsetting
Glue, 20% talcum powder, 8% bentonite, 3% quartz fibre, 15% Ludox, 9% aluminium dihydrogen phosphate, 3% waterglass, 1% dispersant, 1%
Coalescents, 0.5% wetting agent, 3% thickener, 2% defoamer and 8.5% deionized water；
Infra-red radiation energy-saving coating 3 is based on weight/mass percentage composition, including following composition：6% Al adulterates SiC and C and adulterated
SiO2Compound material, 6% silicon boride, 5% titanium boride, 4% lanthanum boride, 3% boron carbide, 5% carborundum, 2% yttrium carbide, 1% 2 silication
Molybdenum, 3% tungsten silicide, 5% zirconium diboride, 13% silica, 4% iron oxide, 1% cupric oxide, 1% manganese oxide, 1% chromium oxide, 1% oxidation
Cobalt, 2% kaolin, 4% boron glass powder, 3% bentonite, 18% Ludox, 3% Alumina gel, 3% aluminium dihydrogen phosphate, 1% dispersant and 5%
Deionized water.The average grain diameter of the composition of infra-red radiation energy-saving coating 3 is below 0.5 μm.
Above-mentioned all coating materials are made according to respective ratio is well mixed, and stove is sprayed at brush or machine after being made
The inside and outside wall of kiln matrix 2.
The thickness of inside holding coating 6 is 1mm, the thickness of middle heat insulation coating 7 is 15mm, and the thickness of external thermal insulation coating 8 is
0.3mm；The thickness of infra-red radiation energy-saving coating 3 is 0.3mm.
Through experiment, the stove inwall high temperature resistant infrared radiating coating of the present embodiment radiance in 1500 DEG C of operating temperatures is
0.89, the thermal conductivity of furnace outer wall combination type heat insulating coating is 0.030 W/ (m K).
Example IV
The present embodiment is identical with the basic structure of embodiment one, and difference is：
Inside holding coating 6 is based on weight/mass percentage composition, including following composition：38% fly ash float, 7% zirconium oxide airsetting
Glue, 12% kaolin, 13% bentonite, 3% sepiolite fibre, 9% zirconium colloidal sol, 2% dispersant, 1% coalescents, 1% wetting agent, 1%
Thickener, 1% defoamer and 12% deionized water；
Middle heat insulation coating 7 is based on weight/mass percentage composition, including following composition：22% hollow ceramic microspheres, 8% aluminum oxide airsetting
Glue, 15% mica powder, 14% bentonite, 12% ceramic fibre, 8% Alumina gel, 1% dispersant, 0.2% coalescents, 1.3% wetting agent,
2% thickener, 1.5% defoamer and 15% deionized water；
External thermal insulation coating 8 is based on weight/mass percentage composition, including following composition：30% hollow glass micropearl, 3% silica airsetting
Glue, 10% talcum powder, 7% bentonite, 8% quartz fibre, 14% Ludox, 5% aluminium dihydrogen phosphate, 4% waterglass, 0.5% dispersant,
0.5% coalescents, 2% wetting agent, 1% thickener, 3% defoamer and 12% deionized water；
Infra-red radiation energy-saving coating 3 is based on weight/mass percentage composition, including following composition：5% Al adulterates SiC and C and adulterated
SiO2Compound material, 5% silicon boride, 4% titanium boride, 3% lanthanum boride, 7% boron carbide, 8% carborundum, 3% yttrium carbide, 3% 2 silication
Molybdenum, 5% tungsten silicide, 7% zirconium diboride, 11% silica, 3% iron oxide, 2% cupric oxide, 5% manganese oxide, 2% chromium oxide, 2% oxidation
Cobalt, 1% kaolin, 2% boron glass powder, 2% bentonite, 4% Ludox, 7% Alumina gel, 1% aluminium dihydrogen phosphate, 1% dispersant and 7% are gone
Ionized water.The average grain diameter of the composition of infra-red radiation energy-saving coating 3 is below 0.5 μm.
Above-mentioned all coating materials are made according to respective ratio is well mixed, and stove is sprayed at brush or machine after being made
The inside and outside wall of kiln matrix 2.
The thickness of inside holding coating 6 is 7.6mm, the thickness of middle heat insulation coating 7 is 0.2mm, and the thickness of external thermal insulation coating 8 is
0.2mm；The thickness of infra-red radiation energy-saving coating 3 is 1.8mm.
Through experiment, the stove inwall high temperature resistant infrared radiating coating of the present embodiment radiance in 1700 DEG C of operating temperatures is
0.94, the thermal conductivity of furnace outer wall combination type heat insulating coating is 0.031 W/ (m K).
Embodiment five
The present embodiment is identical with the basic structure of embodiment one, and difference is：
Inside holding coating 6 is based on weight/mass percentage composition, including following composition：12% fly ash float, 23% zirconium oxide airsetting
Glue, 21% kaolin, 6% bentonite, 12% sepiolite fibre, 13% zirconium colloidal sol, 0.5% dispersant, 1% coalescents, 0.5% wetting
Agent, 1% thickener, 1% defoamer and 9% deionized water；
Middle heat insulation coating 7 is based on weight/mass percentage composition, including following composition：32% hollow ceramic microspheres, 9% aluminum oxide airsetting
Glue, 9% mica powder, 13% bentonite, 4% ceramic fibre, 13% Alumina gel, 1.9% dispersant, 2% coalescents, 1% wetting agent,
0.1% thickener, 1% defoamer and 14% deionized water；
External thermal insulation coating 8 is based on weight/mass percentage composition, including following composition：35% hollow glass micropearl, 7% silica airsetting
Glue, 6% talcum powder, 4% bentonite, 10% quartz fibre, 4% Ludox, 9% aluminium dihydrogen phosphate, 5% waterglass, 3% dispersant, 2% one-tenth
Film auxiliary agent, 2% wetting agent, 2% thickener, 1% defoamer and 10% deionized water；
Infra-red radiation energy-saving coating 3 is based on weight/mass percentage composition, including following composition：7% Al adulterates SiC and C and adulterated
SiO2Compound material, 2% silicon boride, 3% titanium boride, 3% lanthanum boride, 6% boron carbide, 9% carborundum, 2% yttrium carbide, 2% 2 silication
Molybdenum, 2% tungsten silicide, 4% zirconium diboride, 4% silica, 3% iron oxide, 3% cupric oxide, 2% manganese oxide, 2% chromium oxide, 1% oxidation
Cobalt, 7% kaolin, 8% boron glass powder, 4% bentonite, 13% Ludox, 2% Alumina gel, 2% aluminium dihydrogen phosphate, 1% dispersant and 8%
Deionized water.The average grain diameter of the composition of infra-red radiation energy-saving coating 3 is below 0.3 μm.
Above-mentioned all coating materials are made according to respective ratio is well mixed, and stove is sprayed at brush or machine after being made
The inside and outside wall of kiln matrix 2.
The thickness of inside holding coating 6 is 5.4mm, the thickness of middle heat insulation coating 7 is 10mm, and the thickness of external thermal insulation coating 8 is
7.6mm；The thickness of infra-red radiation energy-saving coating 3 is 0.1mm.
Through experiment, the stove inwall high temperature resistant infrared radiating coating of the present embodiment radiance in 1600 DEG C of operating temperatures is
0.86, the thermal conductivity of furnace outer wall combination type heat insulating coating is 0.029W/ (m K).
Embodiment six
The present embodiment is identical with the basic structure of embodiment one, and difference is：
Inside holding coating 6 is based on weight/mass percentage composition, including following composition：27% fly ash float, 10% zirconium oxide airsetting
Glue, 11% kaolin, 11% bentonite, 7% sepiolite fibre, 15% zirconium colloidal sol, 1% dispersant, 1% coalescents, 1% wetting agent, 1%
Thickener, 1% defoamer and 14% deionized water；
Middle heat insulation coating 7 is based on weight/mass percentage composition, including following composition：25% hollow ceramic microspheres, 23% aluminum oxide gas
Gel, 10% mica powder, 8% bentonite, 7% ceramic fibre, 15% Alumina gel, 1% dispersant, 0.5% coalescents, 0.5% wetting
Agent, 0.5% thickener, 0.5% defoamer and 9% deionized water；
External thermal insulation coating 8 is based on weight/mass percentage composition, including following composition：26% hollow glass micropearl, 10% silica gas
Gel, 17% talcum powder, 0.5% bentonite, 9% quartz fibre, 10% Ludox, 9% aluminium dihydrogen phosphate, 6% waterglass, 3% disperse
Agent, 0.3% coalescents, 1% wetting agent, 0.1% thickener, 0.1% defoamer and 7% deionized water；
Infra-red radiation energy-saving coating 3 is based on weight/mass percentage composition, including following composition：3% Al adulterates SiC and C and adulterated
SiO2Compound material, 3% silicon boride, 4% titanium boride, 3% lanthanum boride, 5% boron carbide, 13% carborundum, 3% yttrium carbide, 3% 2 silication
Molybdenum, 3% tungsten silicide, 8% zirconium diboride, 4% silica, 5% iron oxide, 2% cupric oxide, 1% manganese oxide, 3% chromium oxide, 3% oxidation
Cobalt, 2% kaolin, 2% boron glass powder, 5% bentonite, 9% Ludox, 5% Alumina gel, 5% aluminium dihydrogen phosphate, 1% dispersant and 5% are gone
Ionized water.The average grain diameter of the composition of infra-red radiation energy-saving coating 3 is below 0.2 μm.
Above-mentioned all coating materials are made according to respective ratio is well mixed, and stove is sprayed at brush or machine after being made
The inside and outside wall of kiln matrix 2.
The thickness of inside holding coating 6 is 4.4mm, the thickness of middle heat insulation coating 7 is 7.6mm, and the thickness of external thermal insulation coating 8 is
8mm；The thickness of infra-red radiation energy-saving coating 3 is 2.5mm.
Through experiment, the stove inwall high temperature resistant infrared radiating coating of the present embodiment radiance in 1600 DEG C of operating temperatures is
0.92, the thermal conductivity of furnace outer wall combination type heat insulating coating is 0.030W/ (m K).
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention；Appoint
What those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solution of the present invention, or are revised as the equivalent reality of equivalent variations
Apply example.Therefore, every content without departing from technical solution of the present invention, the technical spirit according to the present invention are done to above example
Any simple modification, equivalent substitution, equivalence changes and modification, still fall within the range of technical solution of the present invention protects.
Claims (3)
1. a kind of energy-saving industrial furnace, including furnace foundation body, it is characterised in that the furnace foundation body is using heat resistance fiber, refractory brick
Or micro Nano material；The outer wall of the furnace foundation body is coated with combination type heat insulating coating, and the inwall of furnace foundation body is coated with infra-red radiation
Energy-saving coating；The combination type heat insulating coating include be arranged in order from inside to outside the inside holding coating of coating, middle heat insulation coating with
External thermal insulation coating；
Inside holding coating is based on weight/mass percentage composition, including following composition：10~38% fly ash floats, 7~24% zirconium oxide gas
Gel, 11~23% kaolin, 5~13% bentonites, 3~12% sepiolite fibres, 9~20% zirconium colloidal sols, 0.5~2% dispersant,
0.2~2% coalescents, 0.5~1% wetting agent, 0.2~1% thickener, 0.5~1% defoamer；8~15% deionized waters；
Middle heat insulation coating is based on weight/mass percentage composition, including following composition：11~32% hollow ceramic microspheres, 8~23% aluminum oxide
Aeroge, 9~21% mica powders, 6~14% bentonites, 4~14% ceramic fibres, 8~18% Alumina gels, 0.5~2% dispersant,
0.2~2% coalescents, 0.5~1.5% wetting agent, 0.1~2% thickener, 0.5~1.5% defoamer；7~15% deionized waters；
External thermal insulation coating is based on weight/mass percentage composition, including following composition：8~35% hollow glass micropearls, 3~18% silica gas
Gel, 6~20% talcum powder, 0.5~8% bentonite, 3~10% quartz fibres, 4~16% Ludox, 5~9% aluminium dihydrogen phosphates,
3~6% waterglass, 0.5~3% dispersant, 0.1~2% coalescents, 0.5~2% wetting agent, 0.1~3% thickener, 0.1~
3% defoamer and 5~12% deionized waters；
The infra-red radiation energy-saving coating is based on weight/mass percentage composition, including following composition：3~8% Al adulterate SiC and C and adulterated
SiO2Compound material, 2~6% silicon borides, 2~5% titanium borides, 2~4% lanthanum borides, 3~7% boron carbides, 5~13% carborundum, 1~
3% yttrium carbide, 1~5% molybdenum disilicide, 1~5% tungsten silicide, 3~9% zirconium diborides, 4~16% silica, 2~5% iron oxide, 1
~3% cupric oxide, 1~5% manganese oxide, 1~3% chromium oxide, 1~3% cobalt oxide, 1~7% kaolin, 2~8% boron glass powder, 1~
5% bentonite, 4~18% Ludox, 2~7% Alumina gels, 1~5% aluminium dihydrogen phosphate, 1~2% dispersant, 5~11% deionized waters；
Above-mentioned all coating materials are made according to respective ratio is well mixed.
2. a kind of energy-saving industrial furnace according to claim 1, it is characterised in that the infra-red radiation energy-saving coating
Thickness is 0.1~3.6mm.
A kind of 3. energy-saving industrial furnace according to claim 1 or 2, it is characterised in that the combination type heat insulating coating
Thickness be 0.6~32mm, wherein the thickness of inside holding coating, the thickness of middle heat insulation coating and external thermal insulation coating be 0.2~
15mm。
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| CN109678538B (en) * | 2019-01-28 | 2021-11-26 | 深圳市凯盛科技工程有限公司 | Anti-aging agent for high-temperature-resistant infrared coating and preparation method thereof |
| CN110028308B (en) * | 2019-05-22 | 2021-09-10 | 厦门博赢技术开发有限公司克拉玛依分公司 | Ceramic heat-insulating composite material and preparation method and application thereof |
| CN110105043B (en) * | 2019-05-24 | 2021-09-10 | 厦门博赢技术开发有限公司克拉玛依分公司 | Nano ceramic composite heat-insulation steam-injection boiler tube clamp protection device and preparation method thereof |
| CN112251052A (en) * | 2020-10-27 | 2021-01-22 | 上海载坤环保新材料科技有限公司 | High-temperature-resistant heat-preservation dry powder functional film |
| CN113999024A (en) * | 2021-10-18 | 2022-02-01 | 江苏骏威特新材料科技有限公司 | Preparation method of light-weight infrared radiation energy-saving coke oven door prefabricated part |
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Effective date of registration: 20240723 Address after: 518054 5th floor, east block, Yihai Plaza, Chuangye Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kaisheng Technology Engineering Co.,Ltd. Country or region after: China Patentee after: China Triumph International Engineering Co.,Ltd. Patentee after: China Building Materials Glass New Materials Research Institute Group Co.,Ltd. Address before: 518054 5 / F, east block, beiyihai Plaza, Chuangye Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Kaisheng Technology Engineering Co.,Ltd. Country or region before: China Patentee before: China Triumph International Engineering Co.,Ltd. |