CN201785189U - Fuel gasifying furnace - Google Patents
Fuel gasifying furnace Download PDFInfo
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- CN201785189U CN201785189U CN2010202508260U CN201020250826U CN201785189U CN 201785189 U CN201785189 U CN 201785189U CN 2010202508260 U CN2010202508260 U CN 2010202508260U CN 201020250826 U CN201020250826 U CN 201020250826U CN 201785189 U CN201785189 U CN 201785189U
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Abstract
The utility model relates to a device used for production equipment in the petrochemical industry, in particular to a fuel gasifying furnace which is characterized in that a furnace lining of a gasifying furnace barrel is provided with a zirconic fiber blanket layer, a light high-aluminum heat-insulating brick layer, a zirconic ceramic fiber paper layer and a highly pure low-silicon corundum brick layer in sequence from a shell, wherein the highly pure low-silicon corundum brick layer is used as the fire surface of the gasifying furnace. The fuel gasifying furnace has the benefits of improving the sealing performance of the lining of the fire surface, enhancing the sealing property and heat insulating property of the lining of the heat insulating layer, reducing the temperature of the furnace wall, eliminating the axial and radial thermal expansion stress inside the linings, avoiding friction shearing force caused by different thermal expansion rates, enabling all the linings to expand independently and freely without limit, greatly reducing damage to the furnace lining, reducing fall-off of the linings, maintaining the temperature of the furnace wall below 150 DEG C, not causing blowby or leakage of gas, greatly improving the operating environment, guaranteeing safe production, enabling the life cycle to be long, reducing the overhauling cost and maintenance cost, and remarkably improving the productivity.
Description
Technical field
The utility model relates to a kind of petrochemical production device equipment.
Background technology
The synthetic gas device adopts Xie Er residual oil pressures partially oxidation gas-making process technology, produces with CO and H
2Unstripped gas for main component.This unstripped gas can be used as the raw material that oxo-synthesis gas becomes fourth octanol products production after desulfurization, decarburization; This with CO and H
2Be the unstripped gas of main component, through in, low temperature shift, secondary decarburization, methanation, cobalt molybdenum hydrogenation process produce hydrogen, as the raw material of Ammonia Production device etc., it is of many uses.Vapourizing furnace is one of key equipment in the synthetic gas device.Yet, because the lining technology of vapourizing furnace and application refractory materials existing problems cause the furnace wall temperature superelevation, can reach more than 230 ℃, the stove brick lining comes off easily in addition, causes the liner gas blowby, the stop production to overhaul of having to influences device and normally moves, also owing to relate to CO and H
2This inflammable and explosive medium, how the safety in production of assurance device is essential.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of new texture fuel-oil gasification is provided.
A kind of fuel-oil gasification, it is characterized in that: vapourizing furnace cylindrical shell position furnace lining, begin to count from housing, be arranged in order, the metal shell internal surface be provided with contain zirconium tapetum fibrosum layer, lightweight high-alumina insulated brick layer, contain the zircon ceramic fiber paper, light-weight mullite heat insulation brick layer, contain zircon ceramic fiber paper, high-purity low silicon corundum brick layer; High-purity low silicon corundum brick layer is as the side towards the fire of vapourizing furnace; The arch crown part furnace lining of upper cover begins to count from housing, be arranged in order, the metal shell internal surface be provided with contain zircon ceramic fiber LIFT, dilatation joint, light-weight mullite heat insulation brick layer, contain the zircon ceramic fiber paper, high-purity low silicon corundum brick layer.
Advantage of the present utility model is: 1, at the cylindrical shell position, between high-purity low silicon corundum brick layer of side towards the fire and the light-weight mullite heat insulation brick layer, leave the gap between light-weight mullite heat insulation brick layer and the lightweight high-alumina insulated brick layer, the centre is provided with and contains the zircon ceramic fiber paper, effect:
1) sealing property of raising side towards the fire furnace lining strengthens the sealing of thermofin furnace lining, heat-insulating property, reduces furnace wall temperature;
2) eliminate the axial and radial thermal expansion stress of vapourizing furnace lining, prevent to make each layer lining not be subjected to restrict each other independence and freedom and expand because of the different friction shearing forces that produce of thermal expansion rates.Side towards the fire high-purity corundum brick is to the damage of thermofin light-weight mullite heat insulation brick in the time of can greatly being reduced in longitudinal dilatation.
2, in the vault part, high-purity low silicon corundum brick layer of side towards the fire and light-weight mullite heat insulation brick interlayer leave the gap, are provided with to contain the zirconium fiber paper; Light-weight mullite heat insulation brick layer and contain and leave the dilatation joint of widening gradually from bottom to top between the zirconium fibre castable; Its effect is identical with the result at cylindrical shell position, respond well.
3, arch crown part, outermost layer insulated lining adopt and contain the zirconium fibre castable: this kind material plasticity-is good, can absorb the whole axial expansion crimp of cylindrical shell.
The furnace wall temperature of this fuel-oil gasification can maintain below 150 ℃, does not produce gas blowby, leakage, and operating environment is greatly improved, production safety is secure, the life cycle lengthening, and the repair and maintenance expense reduces, and quality product is guaranteed, and the throughput of device significantly improves.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model shell portion structural representation.
Fig. 3 is the utility model arch crown part structural representation.
Have among the figure that supporting leg 1, lining 2, housing 3, upper cover 4, nozzle take over 5, hanger 6, instrument mouth 7, pneumatic outlet 8, lower cover 9, manhole 10, contain zirconium tapetum fibrosum layer 11, lightweight high-alumina insulated brick layer 12, contain zircon ceramic fiber paper 13, light-weight mullite heat insulation brick layer 14, high-purity low silicon corundum brick layer 15, contain zirconium fiber LIFT 16, dilatation joint 17.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is made detailed description further.
Certain large-scale synthetic gas device, designed capacity production of synthetic gas 11884m that makes a living
3/ h, hydrogen 11548m
3/ h.This device adopts Xie Er residual oil pressures partially oxidation gas-making process, production is the unstripped gas of main component with CO and H2, wherein partial raw gas is after desulfurization, decarburization, be sent to butyl octanol unit as synthetic gas, another part unstripped gas again through in, after the low temperature shift, secondary decarburization, methanation, cobalt molybdenum hydrogenation technique process, produce hydrogen, send into plant area's hydrogen pipe network.
Temperature is 1350 ℃～1400 ℃ in the vapourizing furnace, and operating pressure 3MPa～4MPa, medium have fuel oil, oxygen, steam, CO, H
2, inflammable and explosive, case material is Q345R, inner lining refractory.
1. cylindrical shell position furnace lining structure outwards is arranged in order from the lining:
The first layer, the refractory brick of vapourizing furnace side towards the fire are alumina content greater than 99% high-purity low silicon corundum brick layer 15, and thickness is 170mm～200mm;
The second layer contains zircon ceramic fiber paper 13, and thickness is 3mm～5mm;
The 3rd layer, light-weight mullite heat insulation brick layer 14, thickness are 120mm～130mm;
The 4th layer, contain zircon ceramic fiber paper 13, thickness is 3mm～5mm;
Layer 5, lightweight high-alumina insulated brick layer 12, thickness are 100mm～120mm;
Layer 6 contains zirconium tapetum fibrosum layer 11, and thickness is 20mm～30mm.
2. arch crown part furnace lining structure outwards is arranged in order from the lining:
The first layer, high-purity low silicon corundum brick layer 15, thickness is 190mm～200mm;
The second layer contains zircon ceramic fiber paper 13, and thickness is 5mm～15mm;
The 3rd layer, light-weight mullite heat insulation brick layer 14, thickness are 120mm～130mm;
The 4th layer, leave the dilatation joint 17 that 10mm～70mm widens from bottom to top gradually, the low temperature combustiblematerials is filled out in the shop, reserves the cylindrical shell integral shaft to the expansion space;
Layer 5, outermost layer are filled and are contained the zircon ceramic fibre castable, or contain zircon ceramic fiber LIFT 16, and thickness is 10mm～70mm.
3, furnace bottom position furnace lining structure is identical with cylindrical shell position furnace lining structure.
In vapourizing furnace intensification or temperature-fall period, be subjected to material with heat conducting different, its temperature rate of each of vapourizing furnace layer lining, thermal expansion rates difference, constraint suffered in the thermal walking process takes place is also different with resistance, will make between brick and the brick relative displacement takes place.This relative displacement meeting produces the friction shearing force on the displacement surface of brick and brick, handle bad meeting and cause refractory brick to produce surface crack, causes lining to come off, and produces the body of heater gas-blowing phenomenon, can make body of heater surface overtemperature.The utility model has highly application value aspect this type of technical barrier of solution significant contribution being arranged.
Claims (6)
1. fuel-oil gasification, comprise housing (3), it is characterized in that, vapourizing furnace cylindrical shell position furnace lining, begin to count from housing, be arranged in order, the metal shell internal surface be provided with contain zirconium tapetum fibrosum layer (11), lightweight high-alumina insulated brick layer (12), contain zircon ceramic fiber paper (13), light-weight mullite heat insulation brick layer (14), contain zircon ceramic ply of paper (13), high-purity low silicon corundum brick layer (15); High-purity low silicon corundum brick layer (15) is as the side towards the fire of vapourizing furnace; The arch crown part of upper cover (4), its furnace lining begins to count from housing, be arranged in order, the metal shell internal surface is provided with zircon ceramic fiber LIFT (16), dilatation joint (17), light-weight mullite heat insulation brick layer (14), contains zircon ceramic fiber paper (13), high-purity low silicon corundum brick layer (15).
2. according to the described a kind of fuel-oil gasification of claim 1, it is characterized in that the high-purity low silicon corundum brick layer in described cylindrical shell position (15), its thickness are 170mm～200mm.
3. according to the described a kind of fuel-oil gasification of claim 1, it is characterized in that described cylindrical shell position light-weight mullite heat insulation brick layer (14), its thickness are 120mm～130mm.
4. according to the described a kind of fuel-oil gasification of claim 1, it is characterized in that described cylindrical shell position lightweight high-alumina insulated brick layer (12), its thickness are 100mm～120mm.
5. according to the described a kind of fuel-oil gasification of claim 1, it is characterized in that described arch crown part is provided with between high-purity low silicon corundum brick layer of side towards the fire (15) and the light-weight mullite heat insulation brick layer (14) and contains zirconium fiber paper (13), contain zirconium fiber paper (13), thickness is 5mm～15mm.
6. according to the described a kind of fuel-oil gasification of claim 1, it is characterized in that, described arch crown part, leave the gap between upper cover (4) and the light-weight mullite heat insulation brick layer (14), be provided with dilatation joint (17), the low temperature combustiblematerials is filled out in shop in it, is provided with between dilatation joint (17) and the upper cover (4) to contain zircon ceramic fiber LIFT (16), and its thickness is 10mm～70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202508260U CN201785189U (en) | 2010-07-05 | 2010-07-05 | Fuel gasifying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202508260U CN201785189U (en) | 2010-07-05 | 2010-07-05 | Fuel gasifying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201785189U true CN201785189U (en) | 2011-04-06 |
Family
ID=43817164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202508260U Expired - Fee Related CN201785189U (en) | 2010-07-05 | 2010-07-05 | Fuel gasifying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201785189U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221289A (en) * | 2011-05-26 | 2011-10-19 | 醴陵友立特种陶瓷有限公司 | Rotary kiln |
| CN103937555A (en) * | 2014-04-30 | 2014-07-23 | 华东理工大学 | Single-nozzle water-coal-slurry entrained-flow bed gasifier and gasification method of same |
| CN115014086A (en) * | 2022-05-31 | 2022-09-06 | 西安交通大学 | System and method for preparing ceramsite by adopting waste fly ash in waste incineration power plant |
-
2010
- 2010-07-05 CN CN2010202508260U patent/CN201785189U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221289A (en) * | 2011-05-26 | 2011-10-19 | 醴陵友立特种陶瓷有限公司 | Rotary kiln |
| CN102221289B (en) * | 2011-05-26 | 2013-04-24 | 醴陵友立特种陶瓷有限公司 | Rotary kiln |
| CN103937555A (en) * | 2014-04-30 | 2014-07-23 | 华东理工大学 | Single-nozzle water-coal-slurry entrained-flow bed gasifier and gasification method of same |
| CN115014086A (en) * | 2022-05-31 | 2022-09-06 | 西安交通大学 | System and method for preparing ceramsite by adopting waste fly ash in waste incineration power plant |
| CN115014086B (en) * | 2022-05-31 | 2023-07-14 | 西安交通大学 | System and method for preparing ceramsite by adopting garbage fly ash in garbage incineration power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130705 |