CN104084262A - Gasifier large-channel slag crusher - Google Patents
Gasifier large-channel slag crusher Download PDFInfo
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- CN104084262A CN104084262A CN201410322012.6A CN201410322012A CN104084262A CN 104084262 A CN104084262 A CN 104084262A CN 201410322012 A CN201410322012 A CN 201410322012A CN 104084262 A CN104084262 A CN 104084262A
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- slag
- main shaft
- tooth plate
- fixed tooth
- crusher
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Abstract
The invention relates to a gasifier large-channel slag crusher. The gasifier large-channel slag crusher comprises a high-pressure resistant vertical large-channel cylindrical pressure bearing shell and a conical collection hopper which is located at the lower part of the shell, wherein a slag inlet is formed at the upper end of the shell; a slag outlet is formed at the bottom of the conical collection hopper; a gear hobbing slag crushing device is arranged in the shell; a separation screen is arranged above the gear hobbing slag crushing device; a falling channel for separated slag is reserved between the inner wall of the shell and the gear hobbing slag crushing device; the slag crushing device comprises a fixed tooth plate and main shaft crushing teeth which are meshed with the fixed tooth plate at intervals; a main shaft of the main shaft crushing teeth is arranged on the shell through bearing pedestals at two ends and a main shaft sealing component and connected with a main shaft driving mechanism; the fixed tooth plate is connected with a fixed tooth plate withdraw mechanism. The gasifier large-channel slag crusher is capable of satisfying the requirements on high pressure bearing capacity, high temperature resistance and high crushing strength, and has the advantages of excellent sealing property, small maintenance amount and the like.
Description
Technical field
The invention belongs to slag crusher technical field, be specifically related to a kind of Coal Chemical Industry industry gasification furnace that is applied to and export matching used major path slag crusher.
Background technology
In Coal Chemical Industry industry, about the key equipment in coal gasifying process, be gasification furnace, gasification furnace body is a kind of fin panel casing reactor, is arranged on a pressure vessel inside.Fin panel casing reactor inner surface is provided with a kind of ceramic fire resistant lining material of heat conduction.During gasifier operation, on ceramic fire resistant lining material surface, form certain thickness ash bed.This ash bed can cover the inner surface of furnace wall, and solidifies rapidly due to heat conductivility good between ceramic fire resistant lining and water-cooling wall.Curing ash bed can be protected gasification furnace wall, the slag that prevents from forming when furnace wall is subject to coal gasification corrosion, and slag moves down along furnace wall, and the slag-drip opening by bottom drops in slag bath.
Coal gasification course is a high-temperature high-pressure chemical course of reaction, and gasification temperature generally reaches 1400～1600 ℃, and pressure generally need arrive 8MPa left and right.After gasification reaction, remaining coal residue is cooled to 200 ℃ of left and right under the effect of water Quench, and has doped ceramics refractory liner, shows as high temperature, high pressure, highly corrosive ash aqueous mixtures, and the high hardness material fragmentation being wherein mingled with is difficulty quite.
The general following several form deslagginves of existing gasification furnace:
A. adopt be directly dumped into slag ladle and carry out pressure release after deslagging to subordinate's conveying equipment, clinker does not carry out fragmentation greatly, easily affects subordinate's conveying equipment safe operation;
B. employing enters conventional slag crusher and carries out fragmentation after being directly dumped into slag ladle and carrying out pressure release, and large clinker is directly dumped into slag ladle makes slag ladle easily stifled;
C. adopt and under gasification furnace, connect common horizontal slag crusher and carry out disintegrating slag.Horizontal slag crusher has upper lower flange and circular cylindrical shell and disintegrating slag system.Upper inlet flange connects gasification furnace outlet, and lower outlet(discharge) flange connects slag ladle, and centre is disintegrating slag system, and clinker carries out fragmentation and is transported in slag ladle after entering slag crusher.In the middle of this type of slag crusher, disintegrating slag system bulk is larger, causes sealing area larger, leaks serious, and maintenance is large, easily causes system-down accident.
Summary of the invention
The object of the invention is to solve above-mentioned technical problem and provide a kind of Coal Chemical Industry industry gasification furnace that is applied to export matching used major path slag crusher.
For achieving the above object, the present invention adopts following technical scheme:
A kind of gasification furnace major path slag crusher, comprise high voltage bearing vertical major path pressure-bearing shell cylindraceous and the taper aggregate bin that is positioned at described lower housing portion, described housing upper end has slag inlet, described taper aggregate bin bottom has slag notch, in described housing, be provided with gear hobbing disintegrating slag device, separating sieve is established in described gear hobbing disintegrating slag device top, between described inner walls and described gear hobbing disintegrating slag device, be reserved with the whereabouts passage of the slag charge sub-electing, described gear hobbing disintegrating slag device comprises fixed tooth plate and the main shaft crushing teeth meshing with described fixed tooth plate interval, the main shaft of described main shaft crushing teeth is by two end axles bearing, main shaft seal assembly is installed on described housing, and connect main shaft drives mechanism, described fixed tooth plate is connected and fixed tooth plate and moves back gear mechanism.
The inwall of described housing is formed with wear resistant alloy material layer by pyrolytic coating technique.
Described separating sieve is pyramidal structure.
Described slag inlet is provided with slag input flange, and described slag notch is provided with the flange of slagging tap, and the internal diameter of described slag input flange is less than the internal diameter of described housing.
Described main shaft drives mechanism comprises reductor, hydraulic motor and Hydraulic Station, and described reductor connects described main shaft.
Described main shaft crushing teeth and described main shaft are for removably connecting.
The bottom of described housing is provided with walking mechanism.
Gasification furnace major path slag crusher of the present invention is by adopting above technical scheme; not only effectively realize disintegrating slag fast broken fast row's needs; can effectively prevent that slag charge from stopping up, the middle disintegrating slag system bulk that has solved existing horizontal disintegrating slag facility is larger, causes sealing area larger simultaneously; leak serious; maintenance is large, easily causes the technical problem of system-down accident, can meet the requirement of high pressure-bearing, high-temperature resistant, high breaking strength; there is sealing excellent, the advantage such as maintenance is little simultaneously.
Accompanying drawing explanation
Figure 1 shows that the profile schematic diagram of the gasification furnace major path slag crusher that the embodiment of the present invention provides;
The master who Figure 2 shows that the gasification furnace major path slag crusher that the embodiment of the present invention provides looks schematic diagram;
Schematic diagram is looked on a left side that Figure 3 shows that the gasification furnace major path slag crusher that the embodiment of the present invention provides;
Figure 4 shows that the schematic top plan view of the gasification furnace major path slag crusher that the embodiment of the present invention provides;
In figure: slag tap flange, 5 walking mechanisms, 6 bearing blocks, 7 main shaft seal assemblies, 8 separating sieves, 9 main shaft crushing teeths, 10 main shafts, 11 reductors, 12 hydraulic motors, 13 fixed tooth plates, 14 fixed tooth plates of 1 slag input flange, 2 pressure-bearing shells, 3 aggregate bins, 4 moves back gear mechanism, 15 deflectors.
The specific embodiment
Below, in conjunction with example, substantive distinguishing features of the present invention and advantage are further described, but the present invention is not limited to listed embodiment.
Refer to shown in Fig. 1 ~ 4, a kind of gasification furnace major path slag crusher, comprise vertical major path pressure-bearing shell 2 cylindraceous and the taper aggregate bin 3 that is positioned at described lower housing portion, described housing upper end has slag inlet, described taper aggregate bin bottom has slag notch, in described housing, be provided with gear hobbing disintegrating slag device, separating sieve 8 is established in described gear hobbing disintegrating slag device top, enters the clinker water mixture of slag crusher for sorting; Between described inner walls and described disintegrating slag device, be reserved with the whereabouts passage of the slag charge sub-electing, described disintegrating slag device comprises fixed tooth plate 13 and the main shaft crushing teeth 9 meshing with described fixed tooth plate 13 intervals, the main shaft 10 of described main shaft crushing teeth 9 is installed on described housing by bearing block 6, the main shaft seal assembly 7 at two ends, and connecting main shaft drives mechanism, described fixed tooth plate 12 is connected and fixed tooth plate and moves back gear mechanism 14.
It should be noted that, disintegrating slag device of the present invention is installed on the centre position of described housing, outer ring is the whereabouts passage of the small particles material that filtered out by separating sieve 8, bulky grain is selected rear inflow disintegrating slag device by separating sieve 8 and is carried out flowing in taper aggregate bin 3 after fragmentation, and small particles material directly flows in taper aggregate bin 4 and can realize and break soon soon arrange via described whereabouts passage.
Described housing, main shaft crushing teeth can adopt high-intensity alloy material to make, described shroud press force container rules design, can bear high pressure, described main shaft crushing teeth is at broken interlock position---crown, adopted overlaying welding technique of carbide alloy, make its requirement that reaches 200Mpa pressure, guarantee equipment durability.The inwall of described housing is formed with wear resistant alloy material layer by pyrolytic coating technique, can allow device interior bear high grindability material and pass through.
After material enters, by separating sieve, carry out material screening, large granular materials enters gear hobbing disintegrating slag device, and small particles material and buck, without fragmentation, directly directly enter slag ladle through taper aggregate bin.Slag crusher of the present invention can also be when stifled slag automatic rollback fixed tooth plate, open passage and allow the large clinker taper aggregate bin that goes downstream enter slag ladle, prevent that whole equipment from stopping up and shutting down.
The present invention adopts the combining form of major path housing cylindraceous, taper aggregate bin, meet the harsh technical requirements of gasified boiler system, major path form meets normal space for maintenance and device interior installing space and the through-flow needs of lime-ash of equipment, and taper aggregate bin can meet its needs of collecting lime-ash.
As another embodiment, described fixed tooth plate moves back gear mechanism 14 and comprises that the 143(of executing agency is as being hydraulic cylinder or similar driving mechanism), by executing agency's seat 142, be installed on described housing, described executing agency 143 is connected with described fixed tooth plate 13 by driving connecting rod 142 connection a plate 140, connecting plate 140, described fixed tooth plate 12 is installed in described housing by fixed tooth plate axle 144, under the driving of this driving connecting rod 142, and can be around described fixed tooth plate axle 144 rotations.
Needing fixed tooth plate to move back under the situation of tooth, fixed tooth plate, under executing agency drives, outwards moves to, as shown in Figure 3, making has had certain space between crushing teeth and fixed tooth plate, can allow bulk material gravity flow and under, can not get lodged in main shaft top and cause putty.
As another embodiment, described separating sieve is pyramidal structure, and large mouthful upwards, and osculum is installed on described housing internal upper part downwards, is connected with described slag inlet.
As another embodiment, described slag inlet is provided with slag input flange 1, and described slag notch is provided with the flange 4 of slagging tap, and the internal diameter of described slag input flange is less than the internal diameter of described housing.By this slag input flange, can join with the inlet flange of gasification furnace, the flange of slagging tap can be connected with the flange of slag ladle, guaranteed the firm and sealing connecting, it is smooth and easy that the internal diameter that the internal diameter of described slag input flange is less than described housing can guarantee that material enters housing effectively, prevents the generation of clogging.
As another embodiment, described main shaft drives mechanism comprises reductor 11, hydraulic motor 12 and Hydraulic Station, and described reductor connects described main shaft.The hydraulic motor that the rotation of main shaft relies on is through the reductor rear drive of slowing down, and hydraulic motor fuel feeding relies on Hydraulic Station system to supply with pressure oil, and Hydraulic Station relies on driven by motor plunger displacement pump that high-pressure oil is provided.Under the hydraulic oil effect providing at Hydraulic Station, hydraulic motor 12 rotates and slows down and drive main shaft 10 rotations through reductor 11, main shaft 10 drives crushing teeth 9 rotations of installing on main shaft, and main shaft crushing teeth 9 and fixed teeth 13 intervals engagements, realize the lower fragmentation of clinker interlock extruding and meet the requirements of granularity.
As another embodiment, the opposite side of described fixed tooth plate 13 is provided with deflector 15, for material being imported to the aggregate bin 3 of taper.
As another embodiment, described main shaft crushing teeth and described main shaft are for removably connecting, and the parts such as described main shaft, main shaft crushing teeth, fixed tooth plate are installed effectively simple, and dismounting is quick and convenient, fast changeable.
Whole system running is as follows: gasified boiler system connects with slag crusher by suction flange, clinker water mixture enters slag crusher through suction flange, under the effect of separating sieve, the gravity flow of granule and buck and under by separating sieve, directly fall into taper aggregate bin and go downstream and by the flange of slagging tap, arrive the slag ladle of subordinate, bulk slag has been fallen crushing teeth and fixed teeth engagement place, by main shaft, rotarily drive crushing teeth and fixed teeth broken and meet the requirements of granularity under high pressure interlock extruding, material after fragmentation enters taper aggregate bin and goes downstream, by slagging tap, flange arrives slag ladle.
When having, material strength is too high cannot be pulverized, or crushing teeth and fixed tooth plate occur damaging and cannot pulverize time or during other fault, fixed tooth plate moves back after gear mechanism automatically detects fixed tooth plate is retreated, and is convenient to exit certain space and allows large granular materials directly by slag crusher, not affect gasification furnace equipment to move.
As another embodiment, the outside below of described housing is provided with walking mechanism.Described walking mechanism in the bottom of described housing, can be to adopt road wheel by erection of frames, or slider track etc., can be slag crusher of the present invention while needing off-line maintenance, can allow fast slag crusher carry out off-line maintenance.
By upper with technical scheme, can find out, gasification furnace major path slag crusher of the present invention has anti-blockage function, can guarantee breaking soon soon arranging of slag charge, prevent that slag charge from stopping up, guaranteed the normal deslagging needs of gasification furnace, with the requirement that can meet high pressure-bearing, high-temperature resistant, high breaking strength, and it is excellent to have sealing, the advantage such as maintenance is little.
Although with reference to a plurality of explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.
More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (7)
1. a gasification furnace major path slag crusher, it is characterized in that, comprise high voltage bearing vertical major path pressure-bearing shell cylindraceous and the taper aggregate bin that is positioned at described lower housing portion, described housing upper end has slag inlet, described taper aggregate bin bottom has slag notch, in described housing, be provided with gear hobbing disintegrating slag device, separating sieve is established in described gear hobbing disintegrating slag device top, between described inner walls and described gear hobbing disintegrating slag device, be reserved with the whereabouts passage of the slag charge sub-electing, described disintegrating slag device comprises fixed tooth plate and the main shaft crushing teeth meshing with described fixed tooth plate interval, the main shaft of described main shaft crushing teeth is by two end axles bearing, main shaft seal assembly is installed on described housing, and connect main shaft drives mechanism, described fixed tooth plate is connected and fixed tooth plate and moves back gear mechanism.
2. gasification furnace major path slag crusher as claimed in claim 1, is characterized in that, the inwall of described housing is formed with wear resistant alloy material layer by pyrolytic coating technique.
3. the gasification furnace major path slag crusher as described in claim 1 or 2, is characterized in that, described separating sieve is pyramidal structure.
4. gasification furnace major path slag crusher as claimed in claim 3, is characterized in that, described slag inlet is provided with slag input flange, and described slag notch is provided with the flange of slagging tap, and the internal diameter of described slag input flange is less than the internal diameter of described housing.
5. gasification furnace major path slag crusher as claimed in claim 4, is characterized in that, described main shaft drives mechanism comprises reductor, hydraulic motor and Hydraulic Station, and described reductor connects described main shaft.
6. gasification furnace major path slag crusher as claimed in claim 5, is characterized in that, described main shaft crushing teeth and described main shaft are for removably connecting.
7. the gasification furnace major path slag crusher as described in claim 1 ~ 6 any one, is characterized in that, the bottom of described housing is provided with walking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322012.6A CN104084262A (en) | 2014-07-08 | 2014-07-08 | Gasifier large-channel slag crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322012.6A CN104084262A (en) | 2014-07-08 | 2014-07-08 | Gasifier large-channel slag crusher |
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| CN104084262A true CN104084262A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410322012.6A Pending CN104084262A (en) | 2014-07-08 | 2014-07-08 | Gasifier large-channel slag crusher |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883418A (en) * | 2016-03-04 | 2018-11-23 | 三菱日立电力系统株式会社 | Slag crusher |
| CN109127046A (en) * | 2018-09-13 | 2019-01-04 | 白银有色集团股份有限公司 | A kind of major diameter high-temperature pipe dirt block crushing device |
Citations (6)
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| CN2296767Y (en) * | 1997-08-29 | 1998-11-11 | 李朝建 | Superfine crusher |
| CN2743354Y (en) * | 2004-10-14 | 2005-11-30 | 武汉三联节能环保工程有限公司 | Slag breaking device of coal pressurized gasification furnace |
| CN201189472Y (en) * | 2008-04-18 | 2009-02-04 | 王庆辉 | Hammering-sheet type disintegrator |
| JP2011088092A (en) * | 2009-10-23 | 2011-05-06 | Hitachi Constr Mach Co Ltd | Crusher |
| CN202131288U (en) * | 2011-06-07 | 2012-02-01 | 上海锅炉厂有限公司 | Slag discharge device of gasification furnace |
| CN203972022U (en) * | 2014-07-08 | 2014-12-03 | 青岛松灵电力环保设备有限公司 | A kind of gasification furnace major path slag crusher |
-
2014
- 2014-07-08 CN CN201410322012.6A patent/CN104084262A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296767Y (en) * | 1997-08-29 | 1998-11-11 | 李朝建 | Superfine crusher |
| CN2743354Y (en) * | 2004-10-14 | 2005-11-30 | 武汉三联节能环保工程有限公司 | Slag breaking device of coal pressurized gasification furnace |
| CN201189472Y (en) * | 2008-04-18 | 2009-02-04 | 王庆辉 | Hammering-sheet type disintegrator |
| JP2011088092A (en) * | 2009-10-23 | 2011-05-06 | Hitachi Constr Mach Co Ltd | Crusher |
| CN202131288U (en) * | 2011-06-07 | 2012-02-01 | 上海锅炉厂有限公司 | Slag discharge device of gasification furnace |
| CN203972022U (en) * | 2014-07-08 | 2014-12-03 | 青岛松灵电力环保设备有限公司 | A kind of gasification furnace major path slag crusher |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883418A (en) * | 2016-03-04 | 2018-11-23 | 三菱日立电力系统株式会社 | Slag crusher |
| CN109127046A (en) * | 2018-09-13 | 2019-01-04 | 白银有色集团股份有限公司 | A kind of major diameter high-temperature pipe dirt block crushing device |
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Application publication date: 20141008 |