A kind of inner lining apparatus of gasification furnace burner hearth
Technical field
The utility model belongs to gasification furnace refractory liner design field, and in particular to a kind of liner of gasification furnace burner hearth
Device.
Background technology
The production of the industries such as metallurgy, building materials, chemical industry, machinery, electric power be unable to do without various thermal kiln furnaces, thermal kiln furnace with operation
Life-span and function depend on the quality and structure of furnace lining material to a great extent, therefore serve the furnace lining material of high temperature kiln
Material is to ensure above-mentioned industry operation and the essential basic material of economic development.With the rapid development of economy, resource and energy
Source also quickly consumes, and the sustainable development of social economy proposes more to the high temperature furnace lining material and its application technology that service kiln
High requirement:High temperature furnace lining material long lifespan is not required nothing more than and high temperature kiln is safe for operation, and requires that furnace lining material possesses section
The function of energy.
Refractory material is a kind of inorganic non-metallic material that refractoriness is not less than 1580 DEG C, and refractoriness refers to that refractory material is bored
Body sample is in the case of no loading, and resistance high temperature action is without softening molten Celsius temperature.Gasification process is in 1204-
1538 DEG C of range of operation, in order to prevent container casing from being contacted with high-temperature synthesis gas and ash, it is necessary to install refractory liner.
Existing gasification furnace refractory liner is due to structure design reason, often because arch roof of gasification furnace and cylinder occurs in high temperature
The refractory brick local lifetime of body contact site is shorter, the problems such as influenceing gasification furnace bulk life time, and huge economy is caused to enterprise
Loss, can also influence the production of enterprise.
The content of the invention
The utility model is in order to solve the above-mentioned technical problem, there is provided a kind of inner lining apparatus of gasification furnace burner hearth, can pass through
Change to inner lining structure improves the service life of refractory material, effectively alleviates coal slurry and air-flow washes away to refractory material,
The air-tightness of whole vault can be ensured, prevent gas blowby, the protective effect to gasification furnace can be played.
Technical scheme is used by the utility model:A kind of inner lining apparatus of gasification furnace burner hearth, inner lining apparatus are arranged on
It is resistance to including vault mouth area, the resistance to flame range of vault ball cone section, vertical furnace wall fire resisting area, cone bottom successively from top to down inside gasification furnace
Flame range and cinder notch portion;
Vault mouth area includes the first chromium aluminium zirconia block floor and the lightweight brick layer being arranged on the intraoral wall of cylinder stopcock, the first chromium aluminium
Zirconia block floor is arranged on the internal layer in vault mouth area, and lightweight brick layer is arranged on the outer layer of the first chromium aluminium zirconia block layer, vault mouth area
Middle part is provided with a through hole, and through hole inner upper is provided with the first hollow ball brick layer, mouth is provided with below hollow ball prefabricated section
Brick;
The vault ball cone resistance to flame range of section is ball pyramidal structure, is provided with four layers of refractory material, being followed successively by first from outside to inside can
The bed of material, the first cast bed of material, the first chromium steel jade brick layer and the second chromium aluminium zirconia block layer are compressed, the second chromium aluminium zirconia block layer is with being arranged on arch
The first chromium aluminium zirconia block floor in top mouth area is connected smoothly;
Vertical furnace wall fire resisting area is arranged at the vertical cylinder part of gasification furnace, is provided with four layers altogether, from outside to inside according to
Secondary is the second compressible bed of material, the second hollow ball brick layer, the second chromium steel jade brick layer and the 3rd chromium aluminium zirconia block layer, the 3rd chromium aluminium zirconia block
Layer is connected smoothly with being arranged on the second chromium aluminium zirconia block layer of the vault ball cone resistance to flame range of section, is provided with the 3rd chromium aluminium zirconia block layer
Longitudinal dilatation is stitched;
The cone resistance to flame range in bottom is arranged on gasification furnace bottom, including the second cast bed of material for being in contact with cone bottom and is arranged on cast
The 4th chromium aluminium zirconia block layer above the bed of material;
Cinder notch portion is connected with the cone resistance to flame range in bottom, and cinder notch portion is provided with the 5th chromium aluminium zirconia block layer, the 5th chromium aluminium zirconia block layer and stove
The second cast bed of material is provided between wall.
Be additionally provided with four resistance to flame ranges of burner nozzle around the vertical furnace wall fire resisting area, the side towards the fire of the resistance to flame range of burner nozzle and
Back sheet is the 6th chromium aluminium zirconia block layer, and outer layer is arranged to the 3rd chromium steel jade brick layer, and the purpose so set is to utilize the 3rd chromium steel
The characteristics of wearability of beautiful brick layer is good, the service life of high-abrasive material is improved when carrying out filler, avoid producing abrasion.
The mouth brick is chromium aluminium zirconium prefabricated section, and mouth brick is with tapered plug type structure, so both facilitates mouth
The taking-up of brick is advantageous to seal again, can effectively prevent gas-blowing phenomenon.
Brick-supporting rack and gusset are provided with the vertical furnace wall fire resisting area, refractory fibre is coated with around brick-supporting rack and gusset
Material layer, the purpose so set are can to facilitate longitudinal bulk expansion of cylinder side towards the fire brick, effectively alleviate longitudinal stress,
Meanwhile it can also facilitate the replacing of fire proof material brick.
The resistance to flame range of thermocouple is additionally provided with the vertical furnace wall fire resisting area, the resistance to flame range of thermocouple includes resistance to prevent bottom
The elongated elliptical aperture refractory brick that thermal expansion produces shearing to thermocouple is produced under fiery material at high temperature, inside elongated elliptical aperture refractory brick
The promising mullite fiber blanket for preventing gas blowby is set, to solve the problems, such as the easy overtemperature of probe zone box hat.
The first hollow ball brick layer and the second hollow ball brick layer are alumina bubble brick.
The first chromium aluminium zirconia block layer, the second chromium aluminium zirconia block layer, the 3rd chromium aluminium zirconia block layer, the 4th chromium aluminium zirconia block layer, the 5th
Chromium aluminium zirconia block layer and the 6th chromium aluminium zirconia block layer are Cr90 chromium aluminium zirconia blocks, and are side towards the fire brick.
The first chromium steel jade brick layer and the second chromium steel jade brick layer are Cr12 chromium steel jade bricks.
First cast bed of material and the second cast bed of material are Cr12 chromium steel jade pouring materials.
The inner lining apparatus of this gasification furnace burner hearth, the vault ball cone resistance to flame range of section use four layers of design structure of ball taper, ball cone
Shape structure construction is convenient, and masonry quality is secure, and wherein the second chromium aluminium zirconia block layer of side towards the fire layer is gasified using current multiinjector
The best thickening type design of stove practical effect, it can effectively extend the service life of the vault ball cone resistance to flame range of section, and by second
Chromium aluminium zirconia block layer is built by laying bricks or stones with the first chromium steel jade brick layer fissure of displacement, can preferably ensure the airtight of the whole vault ball cone resistance to flame range of section
Property, gas blowby is prevented, vault mouth area uses the mouth brick with tapered plug type structure, has not only facilitated and has taken out but also be advantageous to close
Envelope, effectively prevents gas blowby, the refractory brick of vault mouth area bottom is widened, because being the thinnest part in vault mouth area herein, is again
Shell cover weld, prevents housing from focus occur.
The vault mouth area include be arranged on the intraoral wall of cylinder stopcock on the first chromium aluminium zirconia block floor and lightweight brick layer, first
Chromium aluminium zirconia block floor is arranged on the internal layer in vault mouth area, and lightweight brick layer is arranged on the outer layer of the first chromium aluminium zirconia block layer, vault mouth
A through hole is provided with the middle part of area, through hole inner upper is provided with the first hollow ball brick layer, is provided with below hollow ball prefabricated section
Mouth brick;The purpose so set is:This structure can effectively reduce the temperature of external shell, and to longitudinal thermal stress and
The thermal expansion of refractory material longitudinal direction is buffered under high temperature.
The vault ball cone resistance to flame range of section is ball pyramidal structure, is provided with four layers of refractory material, is followed successively by the from outside to inside
The one compressible bed of material, the first cast bed of material, the first chromium steel jade brick layer and the second chromium aluminium zirconia block layer, the second chromium aluminium zirconia block layer is with setting
The first chromium aluminium zirconia block floor in vault mouth area is connected smoothly;The purpose so set is:It is whole using the first cast bed of material
Body is strong and can improve air-tightness and erosion resistant advantage, after being used in the second chromium aluminium zirconia block layer and the first chromium steel jade brick layer
Portion plays to improve the security and stability in service life and prevents the purpose that local gas blowby causes housing overtemperature and protective housing,
The first compressible bed of material is buffering in box hat inwall and absorb fire proofed wood under vault refractory material longitudinal direction thermal stress and high temperature
The thermal expansion of material.
The vertical furnace wall fire resisting area is arranged at the vertical cylinder part of gasification furnace, four layers is provided with altogether, by outer
Inside it is followed successively by the second compressible bed of material, the second hollow ball brick layer, the second chromium steel jade brick layer and the 3rd chromium aluminium zirconia block layer, the 3rd chromium aluminium
Zirconia block layer is connected smoothly with being arranged on the second chromium aluminium zirconia block layer of the vault ball cone resistance to flame range of section, is set on the 3rd chromium aluminium zirconia block layer
It is equipped with longitudinal dilatation seam;The purpose so set is:Absorb the refractory material longitudinal direction thermal stress and high temperature in vertical furnace wall fire resisting area
The thermal expansion of lower refractory material.
The cone resistance to flame range in bottom is arranged on gasification furnace bottom, including the second cast bed of material for being in contact with cone bottom and is arranged on
The 4th chromium aluminium zirconia block layer above cast bed of material;The purpose so set is:The cone resistance to flame range in bottom is reative cell base assemblies, is used for
Slag/carbon is collected, while forms synthesis gas and is recycled in reative cell, the position use environment is more harsh, not only at high temperature
The impact for bearing flame still suffers from washing away and corroding for molten slag, and refractory damage is mainly that mechanism is molten slag
Wash away and corrode, thus it is good in the cone chromium aluminium zirconia block layer of bottom coal face configuration the 4th, bottom non-working surface configuration high intensity, erosion resisting
Bulk density >=2.95g/cm3, Cr2O3+Al2O3 >=92%, the second cast bed of material of Cr2O3 >=12%, have stronger anti-
Slag corrosion and more preferable volume stability, it is indeformable under high temperature, it is more beneficial for improving the overall air-tightness and peace of gasification furnace
Overall coefficient.
The cinder notch portion is connected with the cone resistance to flame range in bottom, and cinder notch portion is provided with the 5th chromium aluminium zirconia block layer, the 5th chromium aluminium zirconia block layer
The second cast bed of material is provided between furnace wall;The purpose so set is:Cinder notch portion is slag and high-temperature gas discharge burning
The neck region of room, slag notch brick are washed erosion particularly severity, and protection cone bottom position is more beneficial for using the second cast bed of material
The box hat part such as brick-supporting rack.
The beneficial effects of the utility model:The technical program provides a kind of inner lining apparatus of gasification furnace burner hearth, and it designs knot
Structure is simple, scientific and reasonable, easy to use;The purpose expanded production can be realized under conditions of gasification furnace is not increased, meanwhile, also can
Enough solve that refractory brick local lifetime is short and influence the bottleneck problem of gasification furnace bulk life time, both improved the construction effect of inner lining apparatus
Rate, the quality of masonry can be also improved, advantageously reduces maintenance cost, improve the economic benefit of enterprise.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is vault mouth area partial enlarged view of the present utility model;
Fig. 3 is that vault ball of the present utility model bores the section partial enlarged view of resistance to flame range;
Fig. 4 is vertical furnace wall fire resisting area of the present utility model;
Fig. 5 is the resistance to flame range in cone bottom of the present utility model and cinder notch portion fire resisting plot structure figure;
Fig. 6 is the burner nozzle partial enlarged view of resistance to flame range of the present utility model;
Fig. 7 is the thermocouple partial enlarged view of resistance to flame range of the present utility model;
Fig. 8 is the partial enlarged view in vertical furnace wall fire resisting area of the present utility model.
Marked in figure:1st, vault mouth area;101st, the first chromium aluminium zirconia block layer;102nd, lightweight brick layer;103rd, the first hollow ball
Brick layer;104th, mouth brick;
2nd, the vault ball cone resistance to flame range of section;201st, the first compressible bed of material;202nd, the first cast bed of material;203rd, the first chromium steel is beautiful
Brick layer;204th, the second chromium aluminium zirconia block layer;
3rd, vertical furnace wall fire resisting area;301st, the second compressible bed of material;302nd, the second hollow ball brick layer;303rd, the second chromium steel is beautiful
Brick layer;304th, the 3rd chromium aluminium zirconia block layer;305th, dilatation joint;306th, brick-supporting rack;307th, gusset;
4th, the resistance to flame range in bottom is bored;401st, the second cast bed of material;402nd, the 4th chromium aluminium zirconia block layer;
5th, cinder notch portion;501st, the 5th chromium aluminium zirconia block layer;
6th, the resistance to flame range of burner nozzle;601st, the 6th chromium aluminium zirconia block layer;602nd, the 3rd chromium steel jade brick layer;
7th, the resistance to flame range of thermocouple;701st, elongated elliptical aperture refractory brick;702nd, mullite fiber blanket.
Embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
As illustrated, a kind of inner lining apparatus of gasification furnace burner hearth, inner lining apparatus are arranged on inside gasification furnace, from top to down according to
It is secondary to bore the resistance to flame range 2 of section, vertical furnace wall fire resisting area 3, the resistance to flame range 4 in cone bottom and cinder notch portion 5 including vault mouth area 1, vault ball;
Vault mouth area 1 includes the first chromium aluminium zirconia block floor 101 and the lightweight brick layer 102 being arranged on the intraoral wall of cylinder stopcock,
First chromium aluminium zirconia block floor 101 is arranged on the internal layer in vault mouth area 1, and lightweight brick layer 102 is arranged on the first chromium aluminium zirconia block layer 101
Outer layer, the middle part in vault mouth area 1 are provided with a through hole, and through hole inner upper is provided with the first hollow ball brick layer 103, hollow ball
Mouth brick 104 is provided with below prefabricated section;
The vault ball cone resistance to flame range 2 of section is ball pyramidal structure, is provided with four layers of refractory material, being followed successively by first from outside to inside can
Compress the bed of material 201, the first cast bed of material 202, the first chromium steel jade brick layer 203 and the second chromium aluminium zirconia block layer 204, the second chromium aluminium zirconia block
Floor 204 is connected smoothly with being arranged on the first chromium aluminium zirconia block floor 101 in vault mouth area 1;
Vertical furnace wall fire resisting area 3 is arranged at the vertical cylinder part of gasification furnace, is provided with four layers altogether, from outside to inside according to
Secondary is the second compressible bed of material 301, the second hollow ball brick layer 302, the second chromium steel jade brick layer 303 and the 3rd chromium aluminium zirconia block layer 304,
3rd chromium aluminium zirconia block layer 304 is connected smoothly with being arranged on the second chromium aluminium zirconia block layer 204 of the vault ball cone resistance to flame range 2 of section, the
Longitudinal dilatation seam 305 is provided with three chromium aluminium zirconia block layers 304;
The cone resistance to flame range 4 in bottom is arranged on gasification furnace bottom, including the second cast bed of material 401 for being in contact with cone bottom and is arranged on
The 4th chromium aluminium zirconia block layer 402 above cast bed of material;
Cinder notch portion 5 is connected with the cone resistance to flame range 4 in bottom, and cinder notch portion 5 is provided with the 5th chromium aluminium zirconia block layer 501, the 5th chromium aluminium zirconia block
The second cast bed of material 401 is provided between layer 501 and furnace wall.
Be additionally provided with the resistance to flame range 6 of four burner nozzles around vertical furnace wall fire resisting area 3, the side towards the fire of the resistance to flame range 6 of burner nozzle and
Back sheet is the 6th chromium aluminium zirconia block layer 601, and outer layer is arranged to the 3rd chromium steel jade brick layer 602, and the purpose so set is to utilize the
The characteristics of wearability of three chromium steel jade brick layer 602 is good, the service life of high-abrasive material is improved when carrying out filler, avoid producing mill
Damage.
Mouth brick 104 is chromium aluminium zirconium prefabricated section, and mouth brick 104 is with tapered plug type structure, so both facilitates plug
The taking-up of mouth brick 104 is advantageous to seal again, can effectively prevent gas-blowing phenomenon.
Brick-supporting rack 306 and gusset 307 are provided with vertical furnace wall fire resisting area 3, brick-supporting rack 306 coats with the surrounding of gusset 307
There is refractory fibrous material layer, the purpose so set is can to facilitate longitudinal bulk expansion of cylinder side towards the fire brick, effective slow
Longitudinal stress is solved, meanwhile, it can also facilitate the replacing of fire proof material brick.It is resistance to that thermocouple is additionally provided with vertical furnace wall fire resisting area 3
Flame range 7, the resistance to flame range 7 of thermocouple are included to produce the length that thermal expansion produces shearing to thermocouple under prevention bottom refractory material high temperature
Shape elliptical aperture refractory brick 701, elongated elliptical aperture refractory brick 701 are internally provided with to prevent the mullite fiber blanket 702 of gas blowby, are used
To solve the problems, such as the easy overtemperature of probe zone box hat.First hollow ball brick layer 103 and the second hollow ball brick layer 302 are aluminum oxide
Hollow ball brick.
First chromium aluminium zirconia block layer 101, the second chromium aluminium zirconia block layer 204, the 3rd chromium aluminium zirconia block layer 304, the 4th chromium aluminium zirconia block layer
402nd, the 5th chromium aluminium zirconia block layer 501 and the 6th chromium aluminium zirconia block layer 601 are Cr90 chromium aluminium zirconia blocks, and are side towards the fire brick.
First chromium steel jade brick layer 203 and the second chromium steel jade brick layer 303 are Cr12 chromium steel jade bricks.
First cast bed of material 202 and the second cast bed of material 401 are Cr12 chromium steel jade pouring materials.
The inner lining apparatus of this gasification furnace burner hearth, the resistance to flame range 2 of vault ball cone section use ball four layers of design structure of taper, ball cone
Shape structure construction is convenient, and masonry quality is secure, and wherein the second chromium aluminium zirconia block layer 204 of side towards the fire layer uses current multiinjector gas
Change the best thickening type design of stove practical effect, can effectively extend the service life of the vault ball cone resistance to flame range 2 of section, and by the
Two chromium aluminium zirconia block layers 204 are built by laying bricks or stones with the fissure of displacement of the first chromium steel jade brick layer 203, can preferably ensure the whole vault ball cone resistance to flame range of section
2 air-tightness, gas blowby is prevented, vault mouth area 1 uses the mouth brick 104 with tapered plug type structure, has both facilitated and has taken out
Be advantageous to seal again, effectively prevent gas blowby, the refractory brick of the bottom of vault mouth area 1 is widened, because being herein vault mouth area 1
Thinnest part, it is shell cover weld again, prevents housing from focus occur.