CN212584959U - Prevent low temperature corrosion's burning furnace brickwork structure of burning - Google Patents
Prevent low temperature corrosion's burning furnace brickwork structure of burning Download PDFInfo
- Publication number
- CN212584959U CN212584959U CN202021057172.XU CN202021057172U CN212584959U CN 212584959 U CN212584959 U CN 212584959U CN 202021057172 U CN202021057172 U CN 202021057172U CN 212584959 U CN212584959 U CN 212584959U
- Authority
- CN
- China
- Prior art keywords
- layer
- incinerator
- temperature corrosion
- interlayer
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 30
- 238000005260 corrosion Methods 0.000 title claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 99
- 239000011229 interlayer Substances 0.000 claims abstract description 29
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 21
- 239000010431 corundum Substances 0.000 claims abstract description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- 239000011449 brick Substances 0.000 claims abstract description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 10
- 239000011651 chromium Substances 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000010455 vermiculite Substances 0.000 claims description 3
- 229910052902 vermiculite Inorganic materials 0.000 claims description 3
- 235000019354 vermiculite Nutrition 0.000 claims description 3
- 239000012615 aggregate Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000005995 Aluminium silicate Substances 0.000 abstract description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract description 2
- 235000012211 aluminium silicate Nutrition 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 239000002912 waste gas Substances 0.000 description 6
- 239000002920 hazardous waste Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides a prevent incinerator brickwork structure of low temperature corrosion, includes incinerator inner liner structure (110) and sandwich structure (111), incinerator inner liner structure (110) is chromium corundum brick layer (102), low silicon high alumina heat-resistant castable layer (103), thermal-insulated castable layer (104) and aluminium silicate ceramic fiber blanket layer (105) from inside to outside in proper order, sandwich structure (111) include bearing layer, air interlayer (107) and inoxidizing coating, the bearing layer is located the outside of heat-insulating layer in incinerator inner liner structure (110), air interlayer (107) are located between bearing layer and the inoxidizing coating, air interlayer (107) top and bottom and atmosphere intercommunication, cold air flows in from air interlayer (107) bottom, and the top flows out, lasts the cooling to the bearing layer. The incinerator wall has scientific and reasonable composition of each layer, is economic and feasible in material selection, can effectively prevent low-temperature corrosion of the incinerator, and is beneficial to wide popularization.
Description
Technical Field
The utility model relates to an burn burning furnace brickwork technical field, concretely relates to prevent burning furnace brickwork structure of low temperature corrosion.
Background
The resource endowment characteristics of 'rich coal, lack of oil and little gas' in China determine that the coal-based synthesis has a wide market, and EG serving as an important chemical raw material has great market demand. The EG process made from coal can generate a plurality of waste gases and waste liquid, the components are complex, the waste liquid is treated as hazardous waste according to the regulations of hazardous waste identification standard inflammability (GB5085.4) and hazardous waste identification standard general rules (GB5085.7), and the hazardous waste incineration harmless treatment is required according to the regulations of hazardous waste incineration pollution control standard (GB 18484-2001).
Organic pollutants in waste gas and waste liquid can be converted into CO2 and H2O during combustion, most burners adopt steam atomization, and in addition, the waste gas and the waste liquid carry moisture, and the three cause the flue gas to inevitably contain steam with higher concentration. If the wall temperature of the incinerator wall is lower than the dew point, acidic substances in the waste gas and the waste liquid are dissolved in water drops to form acid, and the incinerator wall is corroded, namely low-temperature corrosion (also called dew point corrosion). The low-temperature corrosion can greatly shorten the service life of the incinerator, and seriously threatens the operation safety, so the development of a technology which can be applied to the field of waste gas and liquid incineration of the coal-to-EG process and can effectively prevent the low-temperature corrosion is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses according to the characteristics of low temperature corrosion, designed and to have been applied to the coal system EG waste gas liquid and burnt the furnace wall structure that prevents low temperature corrosion, can effectively prevent to burn burning furnace low temperature corrosion.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a prevent burning furnace brickwork structure of low temperature corruption, is including burning furnace liner structure and sandwich structure, sandwich structure is located and burns the furnace liner structure outside, it includes chromium corundum brick layer and heat preservation to burn burning furnace liner structure, chromium corundum brick level is in burning furnace liner structure's inboard, the heat preservation is equipped with low-silicon high-alumina heat-resistant castable layer, heat insulation castable layer and aluminium silicate ceramic fiber blanket layer from inside to outside in proper order, sandwich structure includes bearing layer, air interlayer and inoxidizing coating, the bearing layer is arranged in burning furnace liner structure's the outside on heat preservation layer, air interlayer is located in the middle of bearing layer and inoxidizing coating, air interlayer top and bottom and atmosphere intercommunication, cold air flow in from air interlayer bottom, and the top flows, lasts the cooling to the bearing layer. The lining structure and the sandwich structure of the incinerator are scientific and reasonable in composition and complementary in advantages, corrosion, thermal shock and scouring of acidic substances and salts can be effectively inhibited, the service life of the lining is guaranteed, and the outer wall temperature of the steel shell can be guaranteed to be 150 ℃, so that the problem of low-temperature corrosion of the steel shell in the incinerator is solved.
Further, the low-silicon high-aluminum heat-resistant castable layer comprises low-silicon compact fused white corundum, alumina micropowder alpha-A, active alumina rho-A and nano-grade ZrO2The additive, pure calcium aluminate cement and the electric melting white corundum. Preferably, the mass content of the components is that the low-silicon compact fused white corundum accounts for 40-70%, the alpha-A content of the alumina micropowder is about 3%, the rho-A content of the active alumina is about 4.5%, and the nano-ZrO content of the alumina micropowder is about 4.5%2About 4.5 percent, about 6 percent of additive, about 5.5 percent of pure calcium aluminate cement and about 21 percent of electric melting white corundum. Low silicon highThe aluminum heat-resistant castable has high density and low porosity; the high-temperature volume stability is good, and the strength is 3-5 times of that of the traditional refractory castable.
In the incinerator wall structure, the heat insulation castable layer comprises refractory lightweight aggregate, powder, a bonding agent or an additive. Preferably, the refractory lightweight aggregate comprises one or more of expanded perlite, expanded vermiculite, ceramsite and hollow alumina spheres. The heat-insulating castable has the characteristics of low heat conductivity, difficult generation of cracks after casting and forming, excellent heat-insulating performance, economical material selection and lower manufacturing cost.
According to the incinerator wall structure, the bearing layer in the sandwich structure is a steel shell layer and is used as the body of the incinerator to mainly play a role in supporting and bearing.
The incinerator wall structure as described above, said protective layer comprising a corrugated sheet layer, being mounted on the outermost layer of the wall structure. A relatively closed space is formed, so that the incinerator steel shell layer can be prevented from being directly contacted with rainwater, and the external corrosion can be weakened.
The steel shell sandwich structure has the important significance that the temperature of the inner wall of the steel shell of the incinerator can be higher than the dew point of smoke gas to avoid low-temperature corrosion, and scalding maintenance and inspection personnel can be avoided. The steel shell sandwich structure is another important structural measure for ensuring the service life and operational safety of the incinerator in addition to the lining structure of the incinerator.
The lateral wall of the incinerator with the furnace wall structure is radiated by two modes:
one is as follows: the inner cavity of the incinerator sequentially penetrates through a chromium corundum brick layer, a low-silicon high-aluminum heat-resistant castable layer, a heat-insulating castable layer, an aluminum silicate ceramic fiber blanket layer, a steel shell layer, an air interlayer and a corrugated plate layer and finally reaches the outside of the incinerator;
the second step is as follows: in the first mode, after heat reaches the air interlayer from the inner cavity of the incinerator, the heat finally reaches the outside of the incinerator through natural flowing air by taking air as a carrier.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses burn burning furnace brickwork structure, each layer constitutes scientific and reasonable, and the advantage is complementary, can prevent effectively to burn burning furnace low temperature corrosion, and the weakening corrodes outward, can prolong equipment life.
2. The utility model discloses burn burning furnace brickwork structure, each layer material selection is economical feasible, and the cost is lower, can use the environmental protection material that the discarded object was recycled, environmental protection safety.
3. The utility model discloses burn burning furnace brickwork structure, the housing dismouting work load is little, convenient and fast, and has effectively ensured the safety of patrolling and examining, maintaining the operation.
4. The utility model discloses burn burning furnace brickwork structure, the heat is taken away to the interlayer air can flow naturally, moves energy-conservation.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
In the drawings:
fig. 1 is a schematic cross-sectional view of a longitudinal section of a furnace wall structure according to embodiment 1 of the present invention (the dimensions and proportions in the figure are used only as an illustration and are not equivalent to the optimal design parameters of the present invention or limit the design adjustment range of the present invention);
the components represented by the reference numerals in the figures are:
in the figure: the incinerator comprises an incinerator inner cavity 101, a chromium corundum brick layer 102, a low-silicon high-aluminum heat-resistant castable layer 103, a heat-insulating castable layer 104, an aluminum silicate ceramic fiber blanket layer 105, a steel shell layer 106, an air interlayer 107, a corrugated plate layer 108, an incinerator outer part 109, an incinerator lining structure 110 and a sandwich structure 111.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.
Example 1
Referring to fig. 1, the incinerator wall structure for preventing low temperature corrosion according to the present embodiment includes an incinerator lining structure 110 and a sandwich structure 111, the sandwich structure 111 is located outside the incinerator lining structure 110, the incinerator lining structure 110 includes a chromite corundum brick layer 102 and an insulating layer, and the chromite corundum brick layer 102 is located inside the incinerator lining structure 110 and directly contacts with an incinerator inner cavity 101. The chromium corundum brick has excellent thermal vibration stability and high-temperature creep property, is prepared by taking metal chromium slag as a main raw material, has low price and meets the requirement of circular economy.
Further, the heat preservation layer is provided with a low-silicon high-aluminum heat-resistant castable layer 103, a heat-insulating castable layer 104 and an aluminum silicate ceramic fiber blanket layer 105 in sequence from inside to outside, the sandwich structure 111 is divided into three layers, a steel shell layer 106, an air interlayer 107 and a corrugated plate layer 108 are arranged in sequence from inside to outside, the steel shell layer 106 is located on the outer side of the aluminum silicate ceramic fiber blanket layer 105, and the air interlayer 107 is located between the steel shell layer 106 and the corrugated plate layer 108.
In this embodiment, the low-silicon high-aluminum refractory castable layer 103 comprises low-silicon dense fused white corundum, alumina micropowder alpha-A, activated alumina rho-A and nano-grade ZrO2The additive, pure calcium aluminate cement and the electric melting white corundum. Preferably, the mass content of the components is that the low-silicon compact fused white corundum accounts for 40-70%, the alpha-A content of the alumina micropowder is about 3%, the rho-A content of the active alumina is about 4.5%, and the nano-ZrO content of the alumina micropowder is about 4.5%2About 4.5 percent, about 6 percent of additive, about 5.5 percent of pure calcium aluminate cement and about 21 percent of electric melting white corundum. The low-silicon high-aluminum heat-resistant castable has high density and low porosity; the high-temperature volume stability is good, and the strength is 3-5 times of that of the traditional refractory castable.
In this embodiment, the insulating castable layer 104 includes refractory lightweight aggregate, powder, binder, or admixture. Preferably, the refractory lightweight aggregate comprises one or more of expanded perlite, expanded vermiculite, ceramsite and hollow alumina spheres. The heat-insulating castable has the characteristics of low heat conductivity, difficult generation of cracks after casting and forming, excellent heat-insulating performance, economical material selection and lower manufacturing cost.
In the present embodiment, the outermost layer of the incinerator lining structure 110 is the aluminum silicate ceramic fiber blanket layer 105, which is corrosion resistant, has low thermal conductivity and heat capacity, and is excellent in chemical stability, thermal stability, shock resistance, tensile strength, and sound absorption.
The lining structure 110 of the incinerator is scientific and reasonable in four-layer structure and complementary in advantages, corrosion, thermal shock and scouring of acidic substances and salts can be effectively inhibited, the service life of the lining is guaranteed, and meanwhile the temperature of the outer wall of the steel shell layer 106 in the interlayer structure 111 can be guaranteed to be 150 ℃, so that the problem of low-temperature corrosion of the steel shell in the incinerator is solved.
In this embodiment, the steel casing layer 106 in the sandwich structure 111 mainly serves as a support and load-bearing body of the incinerator. The top and bottom of the air interlayer 107 are connected to the atmosphere, and an upward flowing air channel is formed between the steel shell layer 106 and the corrugated plate layer 108. When the incinerator is in operation, the steel shell layer 106 heats air in the air interlayer 107, the density of the air is reduced after the temperature of the air is increased, the air naturally rises, and therefore cold air flows in from the bottom of the air interlayer 107, flows out from the top, and is continuously cooled. The sandwich structure 111 adopts a natural air flow mode to ensure that the wall temperature of the outer side of the corrugated plate layer 108 (namely the outermost layer of the incinerator) is lower than 60 ℃, so that the maintenance is convenient.
Moreover, gas-solid natural convection heat transfer is carried out between the air in the air interlayer 107 and the incinerator steel shell layer 106, heat loss is small, the influence on the temperature of the inner wall of the incinerator steel shell layer 106 is small, the temperature of the inner wall of the incinerator steel shell layer 106 can be guaranteed to be higher than the dew point temperature of incineration smoke, corrosive ingredients in the smoke are prevented from being condensed on the inner wall surface of the steel shell layer 106, and therefore low-temperature corrosion of the inner wall of the incinerator steel shell layer 106 is avoided.
In this embodiment, the corrugated sheet layer 108 is installed on the outermost layer of the furnace wall structure to form a relatively closed space, so as to prevent the steel casing layer 106 of the incinerator from directly contacting with rainwater, and to weaken external corrosion.
The steel shell sandwich structure 111 has important significance in that the temperature of the inner wall of the incinerator steel shell layer 106 is higher than the dew point of smoke gas, low-temperature corrosion is avoided, and scalding of maintenance and inspection personnel can be avoided. The steel shell sandwich structure 111 is another important structural measure in addition to the incinerator lining structure 110 to secure the service life and operational safety of the incinerator.
The lateral wall of the incinerator with the furnace wall structure is radiated by two modes:
one is as follows: an inner cavity 101 of the incinerator sequentially penetrates through a chromium corundum brick layer 102, a low-silicon high-aluminum heat-resistant castable layer 103, a heat-insulating castable layer 104, an aluminum silicate ceramic fiber blanket layer 105, a steel shell layer 106, an air interlayer 107 and a corrugated plate layer 108, and finally reaches the outside 109 of the incinerator;
the second step is as follows: in the first mode, after the heat reaches the air interlayer 107 from the inner cavity of the incinerator, the heat reaches the outside of the incinerator through natural flowing air by taking air as a carrier.
Finally, it is to be noted that: the above embodiment is the partly reasonable mode of the utility model, the scope of protection of the utility model is not limited to the above embodiment, technical content correlation field technical personnel can understand, all according to the equivalent decoration and the modification replacement that the stove wall structure disclosed by the utility model was done, do not break away from the utility model discloses the technical connotation, and should incorporate in the scope of protection of patent.
Claims (6)
1. The incinerator furnace wall structure capable of preventing low-temperature corrosion is characterized by comprising an incinerator lining structure (110) and an interlayer structure (111), wherein the interlayer structure (111) is positioned on the outer side of the incinerator lining structure (110), the incinerator lining structure (110) comprises a chromium corundum brick layer (102) and a heat insulation layer, the heat insulation layer is sequentially provided with a low-silicon high-aluminum heat-resistant castable layer (103), a heat insulation castable layer (104) and an aluminum silicate ceramic fiber blanket layer (105) from inside to outside, the chromium corundum brick layer (102) is positioned on the inner side of the incinerator lining structure (110), the interlayer structure (111) comprises a bearing layer, an air interlayer (107) and a protective layer, the bearing layer is positioned on the outer side of the heat insulation layer in the incinerator lining structure (110), the air interlayer (107) is positioned between the bearing layer and the protective layer, and the top and the bottom of the air interlayer (107) are communicated with the atmosphere, the cold air flows in from the bottom of the air interlayer (107) and flows out from the top of the air interlayer to continuously cool the bearing layer.
2. The incinerator furnace wall structure for preventing low temperature corrosion according to claim 1, wherein said low silicon high aluminum heat resistant castable layer (103) comprises low silicon dense electro-fused white corundum, alumina micropowder α -a, activated alumina ρ -a, nano-sized ZrO2The additive, pure calcium aluminate cement and the electric melting white corundum.
3. The incinerator wall structure for preventing low temperature corrosion according to claim 1, wherein the heat insulating castable layer (104) comprises refractory lightweight aggregate, powder, binder or admixture.
4. An incinerator wall structure to prevent low temperature corrosion according to claim 3 wherein said refractory lightweight aggregate includes one or more of expanded perlite, expanded vermiculite, ceramsite and hollow alumina sphere.
5. Incinerator furnace wall construction to prevent low temperature corrosion according to claim 1 characterized by that, the bearing layer in the sandwich structure (111) is steel shell layer (106).
6. An incinerator wall structure to prevent low temperature corrosion according to claim 1, characterized in that said shielding layer comprises a corrugated sheet layer (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021057172.XU CN212584959U (en) | 2020-06-10 | 2020-06-10 | Prevent low temperature corrosion's burning furnace brickwork structure of burning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021057172.XU CN212584959U (en) | 2020-06-10 | 2020-06-10 | Prevent low temperature corrosion's burning furnace brickwork structure of burning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584959U true CN212584959U (en) | 2021-02-23 |
Family
ID=74643226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021057172.XU Expired - Fee Related CN212584959U (en) | 2020-06-10 | 2020-06-10 | Prevent low temperature corrosion's burning furnace brickwork structure of burning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212584959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185308A (en) * | 2021-04-25 | 2021-07-30 | 泰兴市恒信特种耐火材料有限公司 | Aluminum-silicon castable added with nano zirconia and preparation method thereof |
-
2020
- 2020-06-10 CN CN202021057172.XU patent/CN212584959U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185308A (en) * | 2021-04-25 | 2021-07-30 | 泰兴市恒信特种耐火材料有限公司 | Aluminum-silicon castable added with nano zirconia and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100497247C (en) | Zirconium chromium corundum honeycomb ceramic heat accumulator | |
| CN212584959U (en) | Prevent low temperature corrosion's burning furnace brickwork structure of burning | |
| IE52042B1 (en) | Insulated domestic chimney pipes | |
| CN209782669U (en) | TO burns burning furnace flame retardant coating | |
| CN202137377U (en) | Aluminium melting furnace | |
| CN106594791A (en) | Heat accumulating type heat preservation boiler | |
| CN102853661A (en) | Energy-saving and consumption-reducing biomass crucible furnace | |
| CN202109495U (en) | Incinerator special for organic fluorine waste liquid | |
| CN208333086U (en) | A kind of electric smelting method production white fused alumina dumping furnace | |
| CN105823064A (en) | Incinerator used for treating waste sulfuric acid with high salt content | |
| JP3679443B2 (en) | Unstructured refractory lining structure for chaotic cars | |
| CN200955908Y (en) | Holding furnace body | |
| CN2568984Y (en) | Energy-saving composite furnace lining for industrial boiler | |
| CN209458967U (en) | Flue and waste heat boiler | |
| CN210458039U (en) | Composite insulating brick for coke oven top | |
| CN106123601A (en) | A kind of high temperature recessed slot type combined fireproof brick and manufacture method | |
| CN208186379U (en) | It is a kind of for handling the spent acid incinerator of the sour gas containing ammonia | |
| CN201241076Y (en) | Cleaning type thermal recovery coke oven gas collecting tube | |
| CN106546098A (en) | A kind of vanadium-nitrogen alloy sintering kiln | |
| JP3679464B2 (en) | Multi-layer fireproof lining structure for chaotic cars | |
| CN212901568U (en) | Corrosion-proof chimney | |
| CN216095538U (en) | High-temperature oxidation chamber of thermal desorption equipment | |
| CN210683886U (en) | Heat-resisting heat preservation furnace body of heat treatment furnace | |
| CN208398621U (en) | A kind of high temperature resistant rotary kiln kiln body | |
| CN207619485U (en) | A kind of synthesis energy saving type steel-pushing type continuous heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |