CN203904288U - Furnace body structure of pressurized gasification furnace - Google Patents
Furnace body structure of pressurized gasification furnace Download PDFInfo
- Publication number
- CN203904288U CN203904288U CN201420356000.0U CN201420356000U CN203904288U CN 203904288 U CN203904288 U CN 203904288U CN 201420356000 U CN201420356000 U CN 201420356000U CN 203904288 U CN203904288 U CN 203904288U
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- furnace
- brick
- tubular body
- refractory
- 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 - Lifetime
Links
- 238000002309 gasification Methods 0.000 title claims abstract description 20
- 239000011449 brick Substances 0.000 claims abstract description 73
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract 3
- 239000003245 coal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 239000010431 corundum Substances 0.000 description 5
- 229910052593 corundum Inorganic materials 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003818 cinder Substances 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to a furnace body structure of a pressurized gasification furnace. The furnace body structure is provided with a vertical outer tubular body, wherein an inner tubular body is arranged in the outer tubular body, and boiler water is fully filled between the inner tubular body and the outer tubular body; a titanium alloy steel plate gas barrier layer and a refractory and heat-insulating brick layer are arranged on the internal wall of the inner tubular body, the refractory and heat-insulating brick layer is formed through laying a plurality of rectangular buckle refractory bricks, a cylindrical lug is arranged on at least one side of the four sides of each rectangular buckle refractory brick, a cylindrical groove is formed in the other side, symmetrical to the corresponding cylindrical lug, of each rectangular buckle refractory brick, and the cylindrical lugs and the cylindrical grooves are matched. According to the furnace body structure, the refractory and heat-insulating brick layer is wear-resistant, corrosion-resistant and high-temperature resistant, and the titanium alloy steel plate gas barrier layer is resistant to acid/base, so that the corrosion to the inner tubular body caused by corrosive gases is avoided.
Description
Technical field
The utility model relates to a kind of furnace binding of pressurized-gasification furnace, belongs to coal water slurry gasification technical field.Titanium alloy plate vapour barrier and refratory insulating brick layer are set on the inwall of the inner barrel in this body of heater; On a limit of refractory brick, cylinder shape flange is set, cylinder connected in star is set on another limit.
Background technology
In prior art, the cleaning of coal is the key subjects in energy and environment protection field, the world today with efficient utilization, is also one of gordian technique of Chinese national economy sustainable development.Gasification is primary energy source to be changed into the main path of clean secondary energy.For this reason, Chinese patent 200510111484.8 discloses a kind of multi-nozzle coal water slurry or powder coal gasification furnace, comprise vaporizer and scrubbing-cooling chamber, vaporizer comprises cylindrical shell, technique nozzle box and the technique nozzle of inner lining refractory block, technique nozzle box is uniform along housing periphery, technique nozzle is mechanically arranged in technique nozzle box, and gasification cinder notch is arranged on vaporizer bottom; Scrubbing-cooling chamber is arranged on vaporizer bottom, and scrubbing-cooling chamber comprises lower cinder notch, and gas exit is arranged on the top of scrubbing-cooling chamber, and technique nozzle is downward-sloping; Lower cinder notch has two at least; In refratory insulating brick layer, establish brick-supporting rack.The advantage of this patent is uniformity of temperature profile in stove, and efficiency of carbon conversion more than 98%, is particularly suitable for the extensive coal gasification production technique of 3000 tons one 5000 tons of day processing, can be used for the fields such as methyl alcohol, synthetic ammonia, IGCC generating.Refratory insulating brick layer is the important component part of coal water slurry pressurized gasifier liner, requires to have good normal temperature strength, hot strength, thermal shock resistance and wear resistance.Along with the progress of Coal Chemical Industry water coal slurry pressure gasification technology, vapourizing furnace volume is increasing, working pressure is more and more higher, day coal feeding amount is increasing, and body of heater is had higher requirement.Therefore, a kind of furnace binding of new pressurized-gasification furnace need to be proposed.
Summary of the invention
The purpose of this utility model is to provide a kind of furnace binding of pressurized-gasification furnace, body of heater of the present utility model is bilayer structure, titanium alloy plate vapour barrier and refratory insulating brick layer are set on the inwall of its inner barrel, refratory insulating brick layer of the present utility model is wear-resisting, anti-corrosion, high temperature resistant, vapour barrier is high temperature resistant, acid and alkali-resistance, the erosion of isolated etchant gas to inner barrel.
The purpose of this utility model is realized by following technical proposals: a kind of furnace binding of pressurized-gasification furnace, there is a vertical outer cylinder body, and in described outer cylinder body, inner barrel is set, between described inner barrel and described outer cylinder body, be full of feedwater; Titanium alloy plate vapour barrier and refratory insulating brick layer are set on the inwall of described inner barrel, described refratory insulating brick layer is tiled and is formed by polylith rectangle snap close refractory brick, in four limits of described rectangle snap close refractory brick, at least one limit, cylinder shape flange is set, with on another symmetrical limit of this cylinder shape flange, cylinder connected in star is set, cylinder shape flange and cylinder connected in star match.
The utility model compared with the prior art tool has the following advantages:
1, the rectangle snap close refractory brick in refratory insulating brick layer of the present utility model has feature wear-resisting, anti-corrosion, high temperature resistant, that shaking property of heat is good, buckle structure between brick and brick has strengthened the intensity of furnace lining integral body, and solved the furnace lining problem that easily comes off, greatly improve body of heater work-ing life and security.
2, titanium alloy plate vapour barrier of the present utility model has high temperature resistant, acid-alkali-corrosive-resisting performance, and the snap close sealed structure of brick between brick is combined vapour barrier and greatly improved that body of heater is high temperature resistant, acid and alkali-resistance, the performance that corrosion-resistant gas corrodes.
3, between the adjacent rectangle snap close refractory brick in refratory insulating brick layer of the present utility model, form line contact, strengthened the stopping property of refratory insulating brick layer, the cylinder shape flange on rectangle snap close refractory brick and cylinder connected in star structure can effectively absorb the volumetric expansion of brick body, the deflections such as bending of brick body.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is body of heater of the present utility model longitudinal section schematic diagram;
Fig. 2 is body of heater partial enlarged drawing of the present utility model;
Fig. 3 is rectangle snap close refractory brick contour structures schematic diagram of the present utility model;
Fig. 4 is rectangle snap close refractory brick vertical view;
Fig. 5 is rectangle snap close refractory brick left view.
Embodiment
Embodiment mono-:
Referring to Fig. 1 to Fig. 5 (Fig. 2 is the A bilge construction enlarged view of Fig. 1), the furnace binding of pressurized-gasification furnace of the present utility model, there is a vertical outer cylinder body 1, inner barrel 2 is set in described outer cylinder body, between described inner barrel and described outer cylinder body, be full of feedwater 3; Titanium alloy plate vapour barrier 5 and refratory insulating brick layer 4 are set on the inwall of described inner barrel, described refratory insulating brick layer is tiled and is formed by polylith rectangle snap close refractory brick 400, in four limits of described rectangle snap close refractory brick, at least one limit, cylinder shape flange 401 is set, with on another symmetrical limit of this cylinder shape flange, cylinder connected in star 402 is set, cylinder shape flange and cylinder connected in star match.
In an embodiment of the present utility model, the body of heater height of pressurized-gasification furnace is 13 meters, 4 meters of its diameters, working pressure 3Mpa.Described rectangle snap close refractory brick is toughened zirconium oxide brick; The raw materials used weight ratio of described toughened zirconium oxide brick is:
Aluminum oxide 50-95;
Zirconium white 50-5;
Stablizer 2-5;
The radius distance value of the cylinder shape flange arranging on described rectangle snap close refractory brick is less than the radius distance value of described cylinder connected in star.
Aluminum oxide in raw materials used adopts salic >=99%, and mean particle size is less than 2 μ m, the aluminum oxide powder that firing temperature is 1700 ℃.
Zirconium white in raw materials used adopts containing zirconium white >=99%, and mean particle size is less than 2 μ m, the zirconia powder that firing temperature is 1700 ℃.
Described stablizer is a kind of in the calcium oxide of market sale or calcium, magnesium, yttrium oxide.
The raw materials used preferred weight ratio of described toughened zirconium oxide brick is:
Aluminum oxide 50;
Zirconium white 50;
Stablizer 2.
In the present embodiment, long 200 millimeters, wide 200 millimeters, thick 50 millimeters of rectangle snap close refractory brick (be not limited only to aforementioned physical dimension in practical application, can select physical dimension conventional or that meet national standard); Referring to Fig. 3, Fig. 4, Fig. 5, on two adjacent brick limits, (top margin and the left side) arranges elongated cylinder shape flange, and the radius of cylinder shape flange is 25 millimeters; On two adjacent brick limits, elongated cylinder connected in star is set in addition, the radius of cylinder connected in star is 30 millimeters.While adopting this refractory brick to build by laying refratory insulating brick layer, every brick surrounding has the adjacent brick in four of upper and lower, left and right, the top cylinder shape flange that is positioned at adjacent bricks below embeds the cylinder connected in star of the bottom that is positioned at adjacent bricks above, forms the snap close of brick between brick and is combined; The mode of left neighbour's brick and right neighbour's brick combination as hereinbefore, is not repeated in this description.Because the radius distance value of (being positioned at rectangle snap close refractory brick below) cylinder shape flange is less than the radius distance value of described (being positioned at rectangle snap close refractory brick above) cylinder connected in star, between upper and lower two bricks, form linear sealed structure (be line contact between two bricks, thereby combination closely); In the present embodiment, the buckle structure between brick and brick has strengthened the intensity of furnace lining side towards the fire, and has solved the furnace lining problem that easily comes off, and greatly improves body of heater work-ing life and security.Cylinder shape flange on rectangle snap close refractory brick and cylinder connected in star structure can effectively absorb the volumetric expansion of brick body, the deflections such as bending of brick body.In the present embodiment, the thickness of described titanium alloy plate vapour barrier is 0.2-0.5 millimeter, on the surface of described titanium alloy plate vapour barrier, is provided with high temperature insulation coating.High temperature resistant, acid-alkali-corrosive-resisting performance that titanium alloy plate vapour barrier has, the snap close sealed structure of brick between brick is combined above-mentioned vapour barrier and greatly improved that body of heater is high temperature resistant, acid and alkali-resistance, the performance that corrosion-resistant gas corrodes.In the present embodiment, between rectangle snap close refractory brick and titanium alloy plate vapour barrier, adopt ZS-1071 type high temperature resistant inorganic tackiness agent to fix, between the adjacent rectangle snap close refractory brick in four blocks of upper and lower, left and right, also adopt ZS-1071 type high temperature resistant inorganic tackiness agent to fix, ZS-1071 high temperature resistant inorganic tackiness agent is the independent studies exploitation of Beijing will Sheng Weihua company, the product that has own intellecture property, use temperature reaches 1800 ℃.
In the present embodiment, the titanium alloy plate chemical composition in described titanium alloy plate vapour barrier comprises titanium and the inevitable impurity element of Al, Sn, zr, Mo, five kinds of elements of Si and surplus; On described titanium alloy plate surface, be provided with high temperature insulation coating.Chemical composition and the weight percent of the coating that high temperature insulation coating adopts are: Al 5.3%-6.0%; Sn 3.7%-4.0%; Zr 3.3% one 3.4%; Mo 0.3-0.7%; Si 0.3%-0.4%; Nb 0.3%-0.4%; Ta 0.3%-0.9%; C 0.036%-0.05%; Fe≤0.07%; O≤0.1%; Surplus is titanium and other inevitable impurity.
Embodiment bis-:
The present embodiment is the improvement of carrying out on the basis of embodiment mono-, and the content identical with embodiment mono-in the present embodiment, please refer to disclosed content in embodiment mono-and understand, and is not repeated in this description herein; In embodiment mono-, disclosed content also should be as the disclosed content of the present embodiment.
In actually operating, the inwall of titanium alloy plate vapour barrier and inner barrel adopts many small size rectangular steel plates by part order, to be welded on the inwall of inner barrel while installing, owing to not being a complete steel plate, and there is welding flaw, this welding flaw can cause etchant gas to leak, therefore, in the present embodiment, trapping insulation filling bed is set between the described titanium alloy plate vapour barrier in the furnace binding of described pressurized-gasification furnace and refratory insulating brick layer, and the thickness of described trapping insulation filling bed is 1-10 millimeter; (in accompanying drawing, not showing).Described trapping insulation filling bed is raw materials used comprises that particle diameter is less than chromium corundum sand, the particle diameter of 3 millimeters and is less than 200 object α-Al
20
3micro mist, particle diameter are less than 100 object quartz sands or mullite, particle diameter is less than 100 object MgO powder; The weight ratio of described raw material is:
The chromium corundum slag that chromium corundum sand used produces for producing chromium metal, pulverizes and sieves chromium corundum slag, obtains the chromium corundum sand that particle diameter is less than 5 millimeters.
The thickness of described trapping insulation filling bed is 1-10 millimeter, can need to choose arbitrarily in aforementioned range according to design.
Claims (4)
1. a furnace binding for pressurized-gasification furnace, has a vertical outer cylinder body, it is characterized in that: in described outer cylinder body, inner barrel is set, between described inner barrel and described outer cylinder body, is full of feedwater; Titanium alloy plate vapour barrier and refratory insulating brick layer are set on the inwall of described inner barrel, described refratory insulating brick layer is tiled and is formed by polylith rectangle snap close refractory brick, in four limits of described rectangle snap close refractory brick, at least one limit, cylinder shape flange is set, with on another symmetrical limit of this cylinder shape flange, cylinder connected in star is set, cylinder shape flange and cylinder connected in star match.
2. the furnace binding of pressurized-gasification furnace according to claim 1, is characterized in that: the radius distance value of the cylinder shape flange arranging on described rectangle snap close refractory brick is less than the radius distance value of described cylinder connected in star.
3. the furnace binding of pressurized-gasification furnace according to claim 2, is characterized in that: the thickness of described titanium alloy plate vapour barrier is 0.2-0.5 millimeter, on the surface of described titanium alloy plate vapour barrier, is provided with high temperature insulation coating.
4. the furnace binding of pressurized-gasification furnace according to claim 3, is characterized in that: trapping insulation filling bed is set between described titanium alloy plate vapour barrier and refratory insulating brick layer, and the thickness of described trapping insulation filling bed is 1-10 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356000.0U CN203904288U (en) | 2014-06-30 | 2014-06-30 | Furnace body structure of pressurized gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356000.0U CN203904288U (en) | 2014-06-30 | 2014-06-30 | Furnace body structure of pressurized gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203904288U true CN203904288U (en) | 2014-10-29 |
Family
ID=51778579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356000.0U Expired - Lifetime CN203904288U (en) | 2014-06-30 | 2014-06-30 | Furnace body structure of pressurized gasification furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN203904288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059694A (en) * | 2014-06-30 | 2014-09-24 | 内蒙古华星新能源有限公司 | Furnace body structure of pressurized gasifier |
-
2014
- 2014-06-30 CN CN201420356000.0U patent/CN203904288U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059694A (en) * | 2014-06-30 | 2014-09-24 | 内蒙古华星新能源有限公司 | Furnace body structure of pressurized gasifier |
| CN104059694B (en) * | 2014-06-30 | 2015-12-02 | 内蒙古华星新能源有限公司 | The furnace binding of pressurized-gasification furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |