CN204265460U - A kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace - Google Patents
A kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace Download PDFInfo
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- CN204265460U CN204265460U CN201420600427.0U CN201420600427U CN204265460U CN 204265460 U CN204265460 U CN 204265460U CN 201420600427 U CN201420600427 U CN 201420600427U CN 204265460 U CN204265460 U CN 204265460U
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- heater
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- 238000009835 boiling Methods 0.000 title claims abstract description 24
- 230000007797 corrosion Effects 0.000 claims abstract description 54
- 238000005260 corrosion Methods 0.000 claims abstract description 54
- 239000011449 brick Substances 0.000 claims abstract description 48
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 46
- 238000004321 preservation Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 25
- 239000003755 preservative agent Substances 0.000 claims abstract description 23
- 230000002335 preservative effect Effects 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 6
- 235000013312 flour Nutrition 0.000 claims abstract description 6
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 6
- 239000011734 sodium Substances 0.000 claims abstract description 6
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000004873 anchoring Methods 0.000 claims description 30
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 241000935974 Paralichthys dentatus Species 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 10
- 239000003546 flue gas Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000003245 working effect Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 12
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 9
- 239000000460 chlorine Substances 0.000 description 9
- 229910052801 chlorine Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005660 chlorination reaction Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000007865 diluting Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical group [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model provides a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace, comprise housing, be provided with multiple installation component in this inner walls, along housing axial direction due, in inner walls and on installation component, be coated with the preservative coat that water glass, diabase flour and sodium silicofluoride are made; This preservative coat is provided with heat-insulation and heat-preservation pouring layer, and all installation components are all affixed with this heat-insulation and heat-preservation pouring layer, and the surface adhesion of heat-insulation and heat-preservation pouring layer has the heat-insulating wall of being built by laying bricks or stones by diatomite brick; The inwall of heat-insulating wall is stained with fire-resistant protection against corrosion pouring layer, the surface adhesion of fire-resistant protection against corrosion pouring layer has by non-burning brick fire-resistant corrosion-resistant wall of building by laying bricks or stones.The utility model can improve work-ing life and the turnaround of body of heater, reduces production cost, prevents flue gas from revealing contaminate environment, ensures the Working environment of factory and the safety of workman.
Description
Technical field
The utility model belongs to titanium tetrachloride production technical field, relates to a kind of chlorination furnace body of heater, is specifically related to a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace.
Background technology
The chlorination reaction occurred in boiling chloridizing furnace is, titanium slag or rutile to be reduced and katalysis issues biochemical reaction at activated carbon with chlorine at a certain temperature, generates titanium tetrachloride smoke and other products.In fluidizing chlorination, the carburizing chlorination reaction of titanium slag or rutile is thermopositive reaction, the reaction heat of generation just can be leaned on to carry out, and the type of furnace more easily reaches reaction heat temperature more greatly when temperature reaches the reaction of temperature of reaction post chlorization.In actual production, along with the maximization of boiling chloridizing furnace, its corrosion speed is also in quickening, and just there will be body of heater after being corroded once flame retardant coating and to bore a hole the phenomenon of smoldering, serious also can cause great environmental and security incident.Boiling section is the principal reaction section of chlorination furnace, temperatures as high more than 1000 DEG C, and material constantly overturns formation boiling-like in this section, and very serious to washing away of flame retardant coating, therefore boiling section is the most easily corroded.Simultaneously chlorination reaction is higher to temperature requirement, and temperature is more high to be more conducive to reaction and to carry out, but high-temperature chlorine gas corrosion is comparatively strong, the anticorrosion and heat insulation outbalance that just seems of boiling section.At present, the body of heater of boiling chloridizing furnace only adopts refractory castable, and refractory castable main component is calcium oxide, magnesium oxide at high temperature can react with chlorine, although resistance to elevated temperatures is better but high temperature resistant chlorine corrosion and sweep of gases effect is poor, after damaging appears in the cast bed of material, whole body of heater just needs overhaul, cause production operational availability lower, maintenance difficulty is large; How to improve corrosion-resistant, resistance to erosion and the high thermal resistance of inner lining of furnace, reasonable employment refractory materials, thus obtain longer furnace li` and the turnaround has become technical problem urgently to be resolved hurrily in fluidizing chlorination technique.
Utility model content
The purpose of this utility model is the corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace providing a kind of work-ing life and turnaround length for the deficiencies in the prior art, thus reduces costs, and prevents the generation of surrounding material and security incident.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace, comprise housing, be provided with multiple installation component in this inner walls, along housing axial direction due, in inner walls and on installation component, be coated with the preservative coat that water glass, diabase flour and sodium silicofluoride are made; This preservative coat is provided with heat-insulation and heat-preservation pouring layer, and all installation components are all affixed with this heat-insulation and heat-preservation pouring layer, and the surface adhesion of heat-insulation and heat-preservation pouring layer has the heat-insulating wall of being built by laying bricks or stones by diatomite brick; The inwall of heat-insulating wall is stained with fire-resistant protection against corrosion pouring layer, the surface adhesion of fire-resistant protection against corrosion pouring layer has by non-burning brick fire-resistant corrosion-resistant wall of building by laying bricks or stones.
Further, described each installation component is all made up of multiple anchoring piece, and the multiple anchoring pieces in each installation component are uniform is fixed in the circumferentially same of inner walls.
Further, described anchoring piece adopts diameter to be 10 ㎜, and length is that the reinforcing bar of 100 ㎜ is made, and the distance in same installation component between adjacent two anchoring pieces is 300 ㎜, anchor pole and the housing of anchoring piece are affixed, and the anchor fluke of anchoring piece is towards the center of inner walls circumference.
Further, described heat-insulation and heat-preservation pouring layer is built by high-strength light mould material and is formed.
Further, described fire-resistant protection against corrosion pouring layer is built by High-Alumina Low Cement Castable and is formed.
Further, after described inner walls process, reach derusting grade St2 and surface roughness Ra 12.5 ~ Ra6.3.
Further, described heat-insulating wall is built tackiness agent used by laying bricks or stones to comprise massfraction is the diatomite in powder of 70% and the fireclay of 30%.
Further, tackiness agent used built by laying bricks or stones by described fire-resistant corrosion-resistant wall is High-Alumina refractory mortar.
The beneficial effects of the utility model are:
Mechanical rust removal after the foreign material such as the overlap that the weld of the utility model body of heater to inner walls weld and anchoring piece and housing is left over, ensure that cleanliness factor and the roughness of inner walls and anchoring piece, ensures that preservative coat can firmly adhere to, inner walls and installation component are coated with preservative coat, prevent flue gas corrosion housing and anchoring piece, and preservative coat brushes 5 layers successively, thus form the preservative coat of 5 mm thick, prevent preservative coat from not planning a successor, the utility model by heat-insulation and heat-preservation pouring layer and housing Joint, thus strengthens the steadiness of body of heater by anchoring piece, prevents adding thermal expansion and heat-insulation and heat-preservation pouring layer and housing are come off, body of heater is damaged, flue gas leakage, contaminate environment, preservative coat is built one deck heat-insulation and heat-preservation pouring layer, play the object of heat-insulation and heat-preservation, ensure temperature of reaction, simultaneously, prevent the too high housing that makes of heat from expanding, destroy preservative coat, and heat-insulation and heat-preservation pouring layer be integrated build shaping, formed material can be made up and form the imprecise situation of brickwork joint when building by laying bricks or stones, thus cause flue gas to penetrate into outer wall by brickwork joint causing leakage accident, heat-insulating wall has been built by laying bricks or stones on the surface of heat-insulation and heat-preservation pouring layer, the object of heat-insulation and heat-preservation can be played further, ensure temperature of reaction, simultaneously, because heat-insulation and heat-preservation pouring layer forms by building, its shock resistance is poor, therefore build one deck heat-insulating wall by laying bricks or stones on the surface of heat-insulation and heat-preservation pouring layer, because heat-insulating wall is built by laying bricks or stones by piecemeal to form, bonding crack can play anti-effect of expanding with heat and contract with cold when in-furnace temperature change is comparatively violent, strengthen its shock resistance, prevent heat from rising and destroy heat-insulation and heat-preservation pouring layer, heat-insulation and heat-preservation pouring layer and heat-insulating wall cooperatively interact, while ensureing heat-insulation and heat-preservation, increase its shock resistance, thus ensure the work-ing life of body of heater, the inwall of heat-insulating wall has been built fire-resistant protection against corrosion pouring layer, it is high temperature resistant, and chlorine corrosion is better, this fire-resistant protection against corrosion pouring layer formed by integrally casting is shaping, can prevent shaping fire-resistant impregnating material from forming brickwork joint imprecision when building by laying bricks or stones, thus cause chlorine to penetrate into by brickwork joint the generation that outer wall causes leakage accident, fire-resistant corrosion-resistant wall is built by laying bricks or stones on the surface of fire-resistant protection against corrosion pouring layer, the effect of high temperature resistant chlorine corrosion can be played further, simultaneously, because fire-resistant protection against corrosion pouring layer forms by building, its shock resistance is poor, therefore build one deck fire-resistant corrosion-resistant wall by laying bricks or stones on the surface of fire-resistant protection against corrosion pouring layer, because fire-resistant corrosion-resistant wall is built by laying bricks or stones by piecemeal to form, bonding crack can play anti-effect of expanding with heat and contract with cold when in-furnace temperature change is comparatively violent, strengthen its shock resistance, thus ensure the work-ing life of body of heater further.
Of the present utility modelly be provided with fire-resistant corrosion-resistant wall, fire-resistant protection against corrosion pouring layer, heat-insulating wall, heat-insulation and heat-preservation pouring layer, preservative coat from inside to outside successively, fire-resistant corrosion-resistant wall and fire-resistant protection against corrosion pouring layer cooperatively interact, washing away of material and flame can be resisted, simultaneously, to flue gas, there is erosion resistance, can flue gas be enclosed in body of heater, prevent flue gas from leaking out corrosion heat-insulating wall and heat-insulation and heat-preservation pouring layer, then prevent flue gas from destroying heat-insulating wall and heat-insulation and heat-preservation pouring layer; Heat-insulating wall and heat-insulation and heat-preservation pouring layer cooperatively interact, play the effect of heat-insulation and heat-preservation, ensure the temperature of reaction in body of heater, thus speed of response is accelerated, reduce production cost, simultaneously, heat-insulating wall and heat-insulation and heat-preservation pouring layer by heat accumulation in body of heater, make the temperature outside body of heater not high, thus prevent housing high temperature deformation, then because housing distortion causes preservative coat to damage.Fire-resistant corrosion-resistant wall of the present utility model, fire-resistant protection against corrosion pouring layer, heat-insulating wall, heat-insulation and heat-preservation pouring layer and preservative coat cooperatively interact, complement each other, thus improve work-ing life and the turnaround of body of heater, reduce production cost, prevent flue gas from revealing contaminate environment, ensure the Working environment of factory and the safety of workman.
In the utility model, preservative coat is by the water glass of 47.6%, the diabase flour of 47.6%, and the sodium silicofluoride mixed diluting of 4.8% is made, and can effectively play the object preventing chlorine corrosion; Heat-insulation and heat-preservation pouring layer is built by high-strength light mould material and is formed, and can play insulation effect preferably, prevents the heat loss of body of heater, meanwhile, can also play the temperature that heat-blocking action effectively can reduce operating environment around; Heat-insulating wall is built by laying bricks or stones by diatomite brick and is formed, diatomite brick has good insulation effect, and hot-face temperature can be born be about 1000 DEG C, and to build heat-insulating wall tackiness agent used by laying bricks or stones be the diatomite in powder of 70% and the fireclay of 30%, diatomite in powder and fireclay also have high thermal resistance and heat retaining property, thus it is firmer to make heat-insulating wall build by laying bricks or stones, heat-insulation and heat-preservation is better; Fire-resistant protection against corrosion pouring layer is built by High-Alumina Low Cement Castable and is formed, the aluminium sesquioxide that High-Alumina Low Cement Castable comprises the at high temperature more difficult reaction with chlorine, well can play fire-resistant etch-proof effect, thus can available protecting heat-insulating wall and heat-insulation and heat-preservation pouring layer, prevent heat-insulating wall and heat-insulation and heat-preservation pouring layer by high-temperature chlorine gas corrosion; Fire-resistant corrosion-resistant wall is formed by non-burning brick building by laying bricks or stones, non-burning brick middle comprised aluminium sesquioxide and the silicon-dioxide at high temperature more difficult reaction with chlorine, well can play fire-resistant etch-proof effect, fire-resistant corrosion-resistant wall builds by laying bricks or stones to form, and when keeping in repair, only needs again to build by laying bricks or stones, reduce maintenance difficulty and cost, and shorten servicing time, and to build fire-resistant corrosion-resistant wall tackiness agent used by laying bricks or stones be High-Alumina refractory mortar, also has good fire-resistant etch-proof effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is vertical cross-sectional of the present utility model.
In figure: 1. the fire-resistant protection against corrosion pouring layer 5. fire-resistant corrosion-resistant wall of housing 2. heat-insulation and heat-preservation pouring layer 3. heat-insulating wall 4..
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
In order to overcome the deficiencies in the prior art, the utility model provides a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace as shown in the figure, comprise housing 1, on this housing 1 inwall, housing axial direction due is provided with multiple installation component, each installation component is all made up of multiple anchoring piece, and the multiple anchoring pieces in each installation component are uniform is fixed in the circumferentially same of inner walls; Described anchoring piece adopts diameter to be 10 ㎜, and length is that the reinforcing bar of 100 ㎜ is made, and the distance in same installation component between adjacent two anchoring pieces is 300 ㎜, the anchor pole of anchoring piece and housing consolidation, and the anchor fluke of anchoring piece is towards the center of inner walls circumference.Be coated with that massfraction is the water glass of 47.6% on housing 1 inwall and on installation component, preservative coat that the diabase flour of 47.6% and 4.8% sodium silicofluoride are made; This preservative coat is provided with heat-insulation and heat-preservation pouring layer 2, and this heat-insulation and heat-preservation pouring layer 2 is built by high-strength light mould material and formed, and the physical and chemical index of this high-strength light mould material performs by the regulation of trade mark NF-40 in metallurgy industry standard YB369-63; The surface adhesion of heat-insulation and heat-preservation pouring layer 2 has the heat-insulating wall 3 of being built by laying bricks or stones by diatomite brick, and building heat-insulating wall tackiness agent used by laying bricks or stones is be that the diatomite in powder of 70% and the fireclay mixed diluting of 30% form by massfraction; All installation components are all affixed with heat-insulation and heat-preservation pouring layer 2; The inwall of heat-insulating wall 3 is stained with fire-resistant protection against corrosion pouring layer 4, fire-resistant protection against corrosion pouring layer 4 is built by High-Alumina Low Cement Castable and is formed; The surface adhesion of fire-resistant protection against corrosion pouring layer 4 has by non-burning brick fire-resistant corrosion-resistant wall 5 of building by laying bricks or stones, and building fire-resistant corrosion-resistant wall 5 tackiness agent used by laying bricks or stones is High-Alumina refractory mortar.
The making of the corrosion-and high-temp-resistant body of heater of the utility model boiling chloridizing furnace:
A. be 10 ㎜ with diameter, length is that anchoring piece made by the reinforcing bar of 100 ㎜, multiple anchoring piece is fixed in inner walls, multiple installation component perpendicular to inner walls axis is formed in inner walls, same installation component is made up of several anchoring pieces, the anchor pole of anchoring piece and inner walls consolidation, the distance in same installation component between adjacent two anchoring pieces is 300 ㎜.
Mechanical rust removal after the foreign material such as the overlap that the weld that b. inner walls weld and anchoring piece and housing are polished in cutting is left over, after making inner walls process, reaches derusting grade St2 and surface roughness Ra 12.5 ~ Ra6.3;
C. be the water glass of 47.6% by massfraction, the diabase flour of 47.6%, the sodium silicofluoride of 4.8%, after proportioning dilution, evenly brushing forms preservative coat in the junction of inner walls, anchoring piece surface and housing and anchoring piece; Brush 5 layers, and the brushing second layer after current one deck drying, the thickness of every layer is 1mm;
D. after preservative coat drying, this preservative coat is provided with heat-insulation and heat-preservation pouring layer, before building, by shell dimension support template, high-strength light mould material is cast in template and preservative coat chien shih its build and be formed into the thick heat-insulation and heat-preservation pouring layer of 115 ㎜, and should overall sequential production, ramming even, and ensure that shank member is fixed in heat-insulation and heat-preservation pouring layer, the demoulding after 24 hours, curing temperature is 15 ~ 25 DEG C, maintenance 7 days;
E. the thick heat-insulating wall of 114 ㎜ is built by laying bricks or stones on the surface of heat-insulation and heat-preservation pouring layer, this heat-insulating wall is built by laying bricks or stones by diatomite brick and is formed, and to build heat-insulating wall tackiness agent used by laying bricks or stones be that the diatomite in powder of 70% and the fireclay mixed diluting of 30% form by massfraction, the thickness of the binder layer that this tackiness agent is formed is 3 ㎜, curing temperature is 15 ~ 25 DEG C, maintenance 3 days;
F. on the inwall of heat-insulating wall, fire-resistant protection against corrosion pouring layer is stained with, before building, by shell dimension support template, High-Alumina Low Cement Castable is cast in template and heat-insulating wall chien shih its build the thick fire-resistant protection against corrosion pouring layer of formation 252 ㎜, and answer overall sequential production, ramming even, the demoulding after 24 hours, curing temperature is 15 ~ 25 DEG C, maintenance 7 days;
G. the thick fire-resistant corrosion-resistant wall of 300 ㎜ is built by laying bricks or stones on the surface of fire-resistant protection against corrosion pouring layer, this fire-resistant corrosion-resistant wall is formed by non-burning brick building by laying bricks or stones, and to build fire-resistant corrosion-resistant wall tackiness agent used by laying bricks or stones be High-Alumina refractory mortar, the physical and chemical index of this High-Alumina refractory mortar performs by the regulation of trade mark LF-60 in GB GB2994-82, and the thickness of the binder layer that this tackiness agent is formed is 3 ㎜; Curing temperature is 15 ~ 25 DEG C, maintenance 3 days;
H. body of heater is toasted, from 20 DEG C, body of heater is toasted, raised temperature per hour 20 DEG C, temperature is elevated to 100 DEG C, 200 DEG C, when 300 DEG C, constant temperature toasts 4 hours, temperature is elevated to 400 DEG C, 480 DEG C, when 560 DEG C, constant temperature toasts 5 hours, temperature is elevated to 620 DEG C, 680 DEG C, when 740 DEG C, constant temperature toasts 6 hours, temperature is elevated to 780 DEG C, 820 DEG C, when 860 DEG C, constant temperature toasts 7 hours, temperature is elevated to 880 DEG C, 900 DEG C, when 920 DEG C, constant temperature toasts 8 hours, temperature is elevated to 940 DEG C, 960 DEG C, when 980 DEG C, constant temperature toasts 9 hours, when temperature is elevated to 1000 DEG C, constant temperature toasts 10 hours, toast complete, thus the corrosion-and high-temp-resistant body of heater made for boiling chloridizing furnace.
Through test, the turnaround of the corrosion-and high-temp-resistant body of heater of this boiling chloridizing furnace is 1 year, and the turnaround of the corrosion-and high-temp-resistant body of heater of existing boiling chloridizing furnace is 60 days, and maintenance difficulty is large, and the time is long, and the utility model easily overhauls and time-consuming short; The utility model can improve work-ing life and the turnaround of body of heater, reduces production cost, prevents flue gas from revealing contaminate environment, ensures the Working environment of factory and the safety of workman.
Claims (7)
1. the corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace, comprise housing, it is characterized in that: in this inner walls, along housing axial direction due, be provided with multiple installation component, in inner walls and on installation component, be coated with the preservative coat that water glass, diabase flour and sodium silicofluoride are made; This preservative coat is provided with heat-insulation and heat-preservation pouring layer, and all installation components are all affixed with this heat-insulation and heat-preservation pouring layer, and the surface adhesion of heat-insulation and heat-preservation pouring layer has the heat-insulating wall of being built by laying bricks or stones by diatomite brick; The inwall of heat-insulating wall is stained with fire-resistant protection against corrosion pouring layer, the surface adhesion of fire-resistant protection against corrosion pouring layer has by non-burning brick fire-resistant corrosion-resistant wall of building by laying bricks or stones.
2. a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace according to claim 1, it is characterized in that: described each installation component is all made up of multiple anchoring piece, the multiple anchoring pieces in each installation component are uniform is fixed in the circumferentially same of inner walls.
3. a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace according to claim 2, it is characterized in that: described anchoring piece adopts diameter to be 10 ㎜, length is that the reinforcing bar of 100 ㎜ is made, distance in same installation component between adjacent two anchoring pieces is 300 ㎜, anchor pole and the housing of anchoring piece are affixed, and the anchor fluke of anchoring piece is towards the center of inner walls circumference.
4. a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace according to claim 1, is characterized in that: described heat-insulation and heat-preservation pouring layer is built by high-strength light mould material and formed.
5. a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace according to claim 1, is characterized in that: described fire-resistant protection against corrosion pouring layer is built by High-Alumina Low Cement Castable and formed.
6. a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace according to claim 1, is characterized in that: after described inner walls process, reaches derusting grade St2 and surface roughness Ra 12.5 ~ Ra6.3.
7. a kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace according to claim 1, is characterized in that: tackiness agent used built by laying bricks or stones by described fire-resistant corrosion-resistant wall is High-Alumina refractory mortar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600427.0U CN204265460U (en) | 2014-10-17 | 2014-10-17 | A kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600427.0U CN204265460U (en) | 2014-10-17 | 2014-10-17 | A kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace |
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| CN204265460U true CN204265460U (en) | 2015-04-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310465A (en) * | 2014-10-17 | 2015-01-28 | 金川集团股份有限公司 | High-temperature-resistant corrosion-resistant furnace body for fluidizing chlorination furnace and manufacturing method of high-temperature-resistant corrosion-resistant furnace body |
| CN114426309A (en) * | 2022-02-17 | 2022-05-03 | 沈阳鑫博工业技术股份有限公司 | Boiling heating method and boiling heating furnace for preparing zirconium tetrachloride |
-
2014
- 2014-10-17 CN CN201420600427.0U patent/CN204265460U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310465A (en) * | 2014-10-17 | 2015-01-28 | 金川集团股份有限公司 | High-temperature-resistant corrosion-resistant furnace body for fluidizing chlorination furnace and manufacturing method of high-temperature-resistant corrosion-resistant furnace body |
| CN104310465B (en) * | 2014-10-17 | 2016-03-02 | 金川集团股份有限公司 | A kind of corrosion-and high-temp-resistant body of heater for boiling chloridizing furnace and preparation method thereof |
| CN114426309A (en) * | 2022-02-17 | 2022-05-03 | 沈阳鑫博工业技术股份有限公司 | Boiling heating method and boiling heating furnace for preparing zirconium tetrachloride |
| CN114426309B (en) * | 2022-02-17 | 2024-02-02 | 沈阳鑫博工业技术股份有限公司 | Boiling heating method for preparing zirconium tetrachloride and boiling heating furnace |
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