CN203582744U - FA (Fly Ash) drying, grinding and calcining system - Google Patents
FA (Fly Ash) drying, grinding and calcining system Download PDFInfo
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- CN203582744U CN203582744U CN201320751399.8U CN201320751399U CN203582744U CN 203582744 U CN203582744 U CN 203582744U CN 201320751399 U CN201320751399 U CN 201320751399U CN 203582744 U CN203582744 U CN 203582744U
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- 238000000227 grinding Methods 0.000 title claims abstract description 45
- 238000001354 calcination Methods 0.000 title claims abstract description 34
- 238000001035 drying Methods 0.000 title abstract description 8
- 239000010881 fly ash Substances 0.000 title abstract 14
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000011507 gypsum plaster Substances 0.000 claims description 32
- 238000010298 pulverizing process Methods 0.000 claims description 23
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 16
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 10
- 238000009837 dry grinding Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 239000003034 coal gas Substances 0.000 claims description 2
- 229910052602 gypsum Inorganic materials 0.000 abstract description 50
- 239000010440 gypsum Substances 0.000 abstract description 50
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000008187 granular material Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 241000251131 Sphyrna Species 0.000 abstract 1
- 235000019580 granularity Nutrition 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000013467 fragmentation Methods 0.000 description 7
- 238000006062 fragmentation reaction Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to an FA (Fly Ash) drying, grinding and calcining system, which is applied to the production of Beta building gypsum powder. The FA drying, grinding and calcining system is characterized in that the smashing, the grinding, the drying and the calcination of the gypsum are simultaneously carried out and finished by using a FA hammer grinder (22). The feed port (5) and the discharge port (11) of the FA hammer grinder (22) are respectively formed in two sides of the grinder body of the FA hammer grinder (22) and are positioned above a grinding bin of the FA hammer grinder (22). The hot airflow of the heat, dried and calcined gypsum and gypsum granule blocks simultaneously enter the FA hammer grinder (22) from the feed port (5) of the FA hammer grinder (22); the gypsum is smashed and ground through a hammer head of the FA hammer grinder (22) as well as is dried and calcined under the action of the hot airflow, thereby directly generating the Beta building gypsum powder. A disc rotating wheel (9) and a rotating shaft sleeve (10) of the FA hammer grinder (22) are of a combined body of two parts, which is convenient for the convenient replacement of hammer heads (7) in different specifications, thereby meeting the requirement of the FA drying, grinding and calcining system for treating different granularities and different minerals.
Description
Technical field
This patent relates to a kind of building cementing material, the production technology and equipments of β building gypsum plaster especially, this system plaster of Paris is produced in fragmentation, grinding, dry, the calcining of gypsum concentrate on an operation, on FA tup pulverizer, carry out simultaneously and complete.
Background technology
β gypsum (CaSO
41/2H
2o) architectural be broad-spectrum inorganic gel material of construction, be by plaster stone (CaSO
42H
2o) through fragmentation, grinding, dry, calcination process, generate.In calcination process, simultaneous generation chemical reaction, gypsum is sloughed free-water and partial crystallization water, generates β building gypsum plaster.Be that chemical molecular formula is from plaster stone (CaSO
42H
2o) change β plaster of Paris (CaSO into
41/2H
2o).
Produce the dry kiln of β building gypsum plaster, main dry kiln has FC stove, kiln, fluidized-bed etc. at present, wherein with FC stove, produces β building gypsum plaster steady quality, applies comparatively extensive.
In the production technique of traditional β building gypsum plaster, the fragmentation of gypsum, grinding, each technique of drying and calcining contact each other, and when a certain operation goes wrong, whole production process will be paralysed, and normal production is forced to stop.
For the fragmentation of gypsum, its water content has impact to the running of crusher.The wet gypsum material of the one-tenth pasty state that water capacity is larger, can not directly be broken, must obtain first or outdoor airing dry at kiln and slough moisture, until moisture can enter crusher in crushing after qualified, and be that qualified granularity can enter pulverizer grinding through crusher in crushing, in pulverizer again grinding to qualified fineness, just can enter dry kiln calcining, there is again chemical reaction, thereby remove free-water and partial crystallization water, generate qualified β building gypsum plaster.
In the fragmentation of producing at present plaster of Paris, grinding, drying and calcining process, each technique cooperatively interacts and holds in the mouth grounding requirement is very strict, has larger operation easier and workload in production.Production process of every minimizing in the production of building gypsum plaster, can reduce the difficulty and the workload that in gypsum production, correspondingly operate.Production process ground reduces simultaneously, more can increase persistence and the stability of building gypsum plaster production process.Production technique ground reduces directly makes production unit and production site be saved, and can reduce the scale of investment that plaster of Paris is produced, and the subsequent production cost of plaster of Paris is minimized.
For improving building gypsum plaster ground productivity effect, seek the efficient production technique of building gypsum plaster, the utility model proposes the novel process that plaster of Paris is produced, the dry grinding calcination system of FA of plaster of Paris.
summary of the invention
The dry grinding calcination system of FA of the present utility model takes gypsum pulverizing, grinding, dry, calcining process carry out simultaneously and complete at FA tup pulverizer, producing building β terra alba no longer needs special-purpose gypsum crusher, terra alba grinding machine and calcining kiln, it is characterized in that:
The blast inlet of coal gas hot-blast stove is connected with the air outlet of gas blower, and heat outlet is connected with the opening for feed of FA tup pulverizer;
The blast inlet of steam heater is connected with the air outlet of gas blower, and heat outlet is connected with the opening for feed of FA tup pulverizer;
The opening for feed of anti-blocking feeder is connected with the rotary conveyor discharge port of feeding machine, and discharge port is connected with the opening for feed of FA tup pulverizer;
The discharge port of FA tup pulverizer is connected with the opening for feed of powder separating machine, and powder separating machine (has two discharge ports, is connected respectively with the opening for feed of gas-solid separator and the opening for feed of FA tup pulverizer;
The connected lock wind dumper in gas-solid separator bottom is connected with rotary conveyor, and top outlet is connected with the blast inlet of sack cleaner;
Top outlet and barometric damper, main induced draft fan, the aiutage of sack cleaner are connected together by pipeline, and its connected lock wind dumper in bottom is connected with rotary conveyor; Chapelet underfeed end is connected with rotary conveyor discharge end, and top discharge end is connected with finished bin.
FA tup pulverizer is the nucleus equipment of the dry grinding calcination system of FA, and gypsum particle completes pulverizing, grinding, calcination process in FA tup pulverizer, and concurrent biochemical transformation, directly generates β building gypsum plaster.
Structure and the principle of work of FA tup pulverizer are such, and there are two material mouthful FA tup pulverizer top, and one is opening for feed, is the admission port of hot blast and blocky-shaped particle gypsum.Another is discharge port, is the outlet of β building gypsum plaster and high humidity hot blast.
In the pulverizing bin of FA tup pulverizer, there is tup rotating disk.Tup rotating disk is the molectron of disk rotary wheel and tup, is to be fixed on FA tup pulverizer rotation axis by rotating shaft axle sleeve by several pieces round turntables, between round turntable, by tup union lever, is connected with movable tup.Rotation axis is connected on pulverizer housing outer bearing carrier and belt pulley through the bearing of FA tup pulverizer housing.
Tup rotating disk is to be fixed on rotation axis by rotating shaft axle sleeve by several pieces round turntables, and rotating disk is fixed on the position of rotation axis and can adjusts, and the quantity that rotating disk is fixed on rotation axis can be adjusted.Between two disk edges, by screw rod, be connected with mobilizable tup, tup can be movable with respect to round turntable, and tup carries out circumference rotation with rotating disk, to entering constantly block gypsum or the particle gypsum of pulverizing bin, pulverizes and grinding.Adjust to tup quantity, specification size, width dimensions and the position of tup on rotating disk, correspondingly adjust the disk rotary wheel and the rotating shaft axle sleeve that are fixed on the different size in rotating shaft and realize.The conversion quantity of tup and the different size of tup, regulate different grain size and output gypsum and pulverize and grinding.
FA tup pulverizer housing is divided into upper and lower two portions, between upper-lower casing adjoining edge, with bolt, connect, upper housing can be opened easily, for disk rotary wheel and rotating shaft axle sleeve ground easy to adjust, disk rotary wheel and rotating shaft axle sleeve are crossed to the center of circle and be divided into impartial two parts, there is bulge loop at disk rotary wheel axle center hole place, and bulge loop is concentric with rotation axis, bulge loop internal diameter is consistent with rotation axis external diameter, and two portions axle center hole of disk rotary wheel equalization is close on card rotation axis.
Rotating shaft sleeve diameter is consistent with the external diameter of disk rotary wheel bulge loop, and the bulge loop external diameter of the internal diameter of rotating shaft axle sleeve and disk rotary wheel is close to, and disk rotary wheel and rotation axis are fixed together, and between disk rotary wheel and rotation axis, by inserting the metallic bond of keyway, fixes.Rotating shaft axle sleeve is crossed the center of circle and is divided into impartial two portions, and the both sides of rotating shaft axle sleeve semicircumference surface of separation external diameter are radially extended and are connected with rectangular parallelepiped web plate, on rectangular parallelepiped web plate, are evenly equipped with through hole, and screw rod can link together two portions rotating shaft axle sleeve through through hole.
Two portions of rotating shaft axle sleeve equalization be close to again disk rotary wheel bulge loop on, on the through hole of rotating shaft axle sleeve rectangular parallelepiped web plate, be connected with screw rod, two portions rotating shaft axle sleeve is fixed together, and rotating shaft axle sleeve, disk rotary wheel and rotating shaft just connect into an integral body like this.
Blocky-shaped particle gypsum and thermal source directly enter pulverizer from FA tup pulverizer opening for feed.Thermal source is process coal or electrically heated hot blast.
Thermal source and gypsum enter in the pulverizing bin of FA tup pulverizer simultaneously, the tup of circumference rotation continues to pulverize to entering gypsum material in FA tup pulverizer, gypsum particle can be full of and be dispersed in pulverizing bin fully, the hot blast that makes to enter in pulverizing bin can carry out continuous contact with gypsum material very effectively, gypsum is dried and calcined gypsum efficiently, and concurrent biochemical variation structurally generates β plaster of Paris.Moisture in gypsum material is under the effect of thermal source, and volatilization becomes high warm moisture and is discharged from pulverizing bin from FA tup pulverizer.
Gypsum is broken, grinding, dry carry out in FA tup pulverizer pulverizing bin with the calcining while, after having generated qualified β building gypsum plaster, because granularity has diminished, moisture content has reduced, and quality has lightened, by controlling hot gas flow air pressure, what make qualified β building gypsum plaster is taken out of FA tup pulverizer discharge port, through powder separating machine, at gas-solid separator, sinks, by worm conveyor, be admitted to finished bin and store.
FA tup pulverizer discharge port, in the upper end of pulverizing bin, has formed the effectively monitoring to qualified product simultaneously.Only be broken become with grinding granularity little, sloughed free-water and part-structure crystal water by hot gas flow is dry, quality lightens, performance reaches qualified gypsum powder grain material, could be taken out of pulverizer pulverizing bin discharge port by hot air flow.Particle is large, and moisture is large, substandard product, and resistance is larger, can not be taken away by hot gas flow, just continue to be limited in grinding cabin, continue by grinding, be dried, after there is altered chemical structure, until performance is qualified, then by hot gas flow, taken out of the discharge port of FA tup pulverizer pulverizing bin.
Gypsum particle has been taken out of FA tup pulverizer by hot blast, enters next powder separating machine equipment, selects powder operation.By hot blast, taken out of in the gypsum particle of FA tup pulverizer, the defective coarse grain gypsum particle mixing and the gypsum particle of not sloughing part-structure crystal water, difference because of gravity, again through the final control of powder separating machine and examination, continued to return FA tup pulverizer, partial crystallization water is sloughed in grinding continuation calcining again, becomes qualified β plaster of Paris, the β building gypsum plaster that has ensured like this acceptable quality and granularity just can enter next equipment gas-solid separator, carries out gas-solid wind from operation.
Enter the β building gypsum plaster of gas-solid separator under action of gravity, be deposited on the bottom of gas-solid separator equipment, through lock wind discharge valve, β building gypsum plaster is discharged on worm conveyor, is sent to β building gypsum plaster finished bin.
The fine powder of hot moisture and gypsum is discharged through gas-solid separator top, enters bagroom, and the terra alba of fine particles is stopped by cloth bag, be collected in the below of bag-type dust gas, through lock wind discharge valve, be discharged on worm conveyor, deliver to β building gypsum plaster finished bin.Hot moisture is by cloth bag, under induced draft fan effect, through aiutage by discharged to sky.
accompanying drawing explanation
Fig. 1 is the structure iron of FA tup pulverizer
It in Fig. 2, is rotation axis, disk rotary wheel and the stereographic map that is connected of rotating shaft axle sleeve
Fig. 3 is the dry grinding calcination system process flow diagram of FA
In described figure: 1-FA tup pulverizer underframe 2-support of bearing 3-water-cooling bearing block
4-FA tup pulverizer rotating shaft 5-opening for feed 6-FA tup pulverizer housing 7-tup
8-tup connecting screw rod 9-disk rotary wheel 10-rotating shaft axle sleeve 11-discharge port
12-belt pulley 13-pulverizing bin 14-bulge loop 15-key 16-disk rotary wheel through hole
17-rotating shaft axle sleeve through hole 18-gas blower 19-steam heater 20-gas blower
The anti-blocking feeder 24-of 21 Coalhotairfurnace 22-FA tup pulverizer 23-feeding bin
25-powder separating machine 26-gas-solid separator 27-lock wind discharge valve 28-worm conveyor
29-sack cleaner 30-lock wind discharge valve 31-chapelet
32-finished bin 33-barometric damper 34-main induced draft fan 35-aiutage.
embodiment
Fig. 1 is the structural representation of FA tup pulverizer.
FA tup pulverizer housing 6 is comprised of upper and lower two portions, between two portions, with bolt, connects, and opening for feed 5 and discharge port 11 have formed the monnolithic case of FA tup pulverizer.In FA tup pulverizer housing 6, be pulverizing bin 13, in pulverizing bin 13, have FA tup pulverizer rotation axis 4, disk rotary wheel 9, tup 7, rotating shaft axle sleeve 10 etc.On disk rotary wheel 9, have through hole 16, tup union lever 8, through the through hole 16 of disk rotary wheel 9, is connected to 9 of two disk rotary wheels by tup 7, and circumference rotating disk 9 is fixed on FA tup pulverizer rotation axis 4 by rotating shaft axle sleeve 10.
1 is that FA tup pulverizer underframe, 2 is that the support of bearing, 3 is that water-cooling bearing block, 12 is the belt pulley on FA tup pulverizer rotation axis 4.
In order to adapt to varigrained fragmentation, change easily the tup 7 of different size, thereby the spacing of two disk rotary wheels 9 will adjust, like this disk rotary wheel 9 and rotating shaft axle sleeve 10 are made to two portions molectron, be convenient to actually operating and maintenance.
It in Fig. 2, is rotation axis 4, disk rotary wheel 9 and the stereographic map that is connected of rotating shaft axle sleeve 10.
The disk rotary wheel 9 of FA tup pulverizer is combined by two portions, has central shaft hole and central shaft hole both sides respectively to have bulge loop 14, and disk rotary wheel central shaft hole diameter is consistent with rotation axis 4 diameters, and disk rotary wheel 9 central shaft hole circumference have two keyways up and down.Rotation axis 4 has keyway, and two portions disk rotary wheel central shaft hole is stuck on rotation axis 4, by keyway 15, disk rotary wheel and rotation axis is located.
The surface of separation both sides of rotating shaft axle sleeve 10 semicircumference external diameters are radially extended and are connected with rectangular parallelepiped web plate, on rectangular parallelepiped web plate, be evenly equipped with through hole 17, screw rod can link together two portions rotating shaft axle sleeve 10 through through hole 17, and rotating shaft 4 and disk rotary wheel 9 are fixedly connected into integral body.
Like this, the rotation of rotation axis 4, drives disk rotary wheel 9 to rotate, thereby band is automatically connected between two disk rotary wheels the rotation of 9 tup 7, and 7 pairs of plaster blocks of tup carry out impact grinding and grinding.
In FA tup pulverizer when work,, first driven by motor belt pulley 12 rotates, and drives the FA tup pulverizer main shaft 4 on water-cooling bearing block 3 to rotate, and drives disk rotary wheel 9 to synchronize rotation with tup 7.The block granule materials of gypsum that enters FA tup pulverizer from opening for feed 5, under the shock action constantly of tup 7, is able to fragmentation, grinding, and carries out heat exchange under the effect of hot gas flow, is dried and calcining.Until be broken with grinding to qualified granularity, and drying and calcining is qualified β building gypsum plaster, under the effect of air-flow, taken out of FA tup pulverizer enter follow-up powder separating machine and gas-solid separator from discharge port 11.Underproof material, can not be taken out of by hot gas flow, continues to be broken, grinding, dry, calcining at FA tup pulverizer.
When FA tup pulverizer runs well, the heat that the lasting high speed rotating of FA tup pulverizer rotating shaft 4 and axle sleeve produce, and the high temperature hot gas entering in FA tup pulverizer flows and indirectly heat exchange of rotating shaft, all can cause rotating shaft 4 to there is higher temperature, can have a strong impact on grinding machine and run well.The effect of water-cooling bearing block 3 is exactly to keep the operating temperature of pulverizer rotating shaft 4 constant, and assurance rotating shaft 4 is turned round with normal temperature.
Disk rotary wheel 9 is fixed in FA tup pulverizer rotating shaft 4 by rotating shaft axle sleeve 10, under FA tup pulverizer rotating shaft 4 drives, rotates.At disk rotary wheel 9 circumferential edges, be connected with movable tup 7, disk rotary wheel 9 ground rotate, and 7 pairs of gypsum blocky-shaped particles of tup of drive activity carry out crushing and grinding.For adapting to the crushing and grinding of different grain size gypsum, the diameter specifications of disk rotary wheel 9 has size.Disk rotary wheel diameter hour, can make pulverizing bin 13 can have the larger space that obtains, and is suitable for the crushing and grinding of macrobead gypsum.When disk rotary wheel diameter is larger, pulverizing bin 13 spaces diminish, and are more suitable for the crushing and grinding of small-particle gypsum.
Rotating shaft axle sleeve 10 is that disk rotary wheel 9 is connected and is fixed together with FA tup pulverizer rotating shaft 4.Rotating shaft axle sleeve 10 has different specifications, adopt the rotating shaft axle sleeve 10 of different size, the spacing that can make to be connected 9 of two adjacent disk rotary wheels in rotating shaft 4 is different, by tup union lever 8 be connected on disk rotary wheel tup specification adjusted, be convenient to FA tup pulverizer and process varigrained gypsum material.
FA tup pulverizer is for the effect of gypsum crushing and grinding, and the effect of tup 7 is very important.Replacing width differs, and the tup 7 that model differs reaches FA tup pulverizer to adapt to different grain size scope gypsum ground crushing and grinding demand, improves crushing and grinding benefit and output simultaneously.
For the quantity adjustment of same specification tup 7, the quantity of the tup 7 connecting on 9 tup union levers 8 of changeable two wheel disc flywheel realizes, and object is that FA grinding machine crushing and grinding ability can effectively must be improved.
Opening for feed and the discharge port of the pulverizing bin of FA tup pulverizer, all higher than the pulverizing bin of FA tup pulverizer, and opening for feed and discharge port are all upward.This structure, is first convenient to charging, and the block granule materials of gypsum, directly from charging 5, is dropped into pulverizing bin 11, can not cause charging and stop up; Discharge port 11, higher than pulverizing bin, is convenient to control the gypsum particulate that only has release mesh, could be taken out of pulverizing bin 13 by wind-force, and this is the unique texture of FA tup pulverizer.
Fig. 3 is the dry required subsidiary engine of grinding calcination system of FA and detailed workflow diagram.
In the dry grinding calcination system of FA, comprise that in all devices such as heat resource equipment, FA tup pulverizer, anti-blocking feeding valve, powder separating machine, main induced draft fan and gas-solid separator, FA tup pulverizer is nucleus equipment.
The technique that the dry grinding calcination system of FA is detailed is as follows:
First, open main induced draft fan 34, through barometric damper 33, regulate air quantity.The effect of main induced draft fan 34 makes FA xeraphium grinding system present negative pressure running Working environment.Heat source produces two approach, and one is the heat generating through steam heater 19, via gas blower 18, is blown into FA tup pulverizer 22.Another is the heat generating through Coalhotairfurnace 21, via the combustion-supporting FA tup pulverizer that enters of gas blower 20.
Open other equipment, blocky-shaped particle gypsum is carried by rotary conveyor from feeding machine 24 again, through anti-blocking feeder 23, enters FA tup pulverizer 22.Hot gas flow is under the effect of air blast and negative pressure, also enter FA tup pulverizer 22 with blocky-shaped particle gypsum simultaneously, the block granule materials of gypsum is broken, grinding, dry, calcining, directly generates β building gypsum plaster, and the discharge port of being taken out of FA tup pulverizer 22 by air-flow enters powder separating machine 25.
Enter the terra alba of powder separating machine 25, more further obtain classification examination, qualified β building gypsum plaster is inhaled into gas-solid separator 26.The underproof coarse particles mixing and the large terra alba of water content, sort and returned to back FA tup pulverizer 22 through powder separating machine 25 and regrind, be dried and calcining.
At gas-solid separator 26, be deposited on the terra alba of separator bottom, locked wind dumper 27 to unload to rotary conveyor 28, and then be transported to chapelet 31, then it is stand-by through chapelet 14, to deliver to finished bin 32.
Gypsum dust and hot moisture that granularity is small enter sack cleaner 29 from gas-solid separator 26, and hot wet gas current passes cloth bag, through barometric damper 33, and main induced draft fan 34, emptying from aiutage 35.
The gypsum dust being stopped by cloth bag, heavy collection is in the bottom of sack cleaner 29, unloads to rotary conveyor 28 and is delivered to chapelet 31, then through chapelet 31, deliver to finished bin 32 and store stand-by through lock wind dumper 30.
Claims (5)
1.FA is dried grinding calcination system, is applied to β plaster of Paris and produces, and it is characterized in that:
The blast inlet of coal gas hot-blast stove (21) is connected with the air outlet of gas blower (20), and heat outlet is connected with the opening for feed of FA tup pulverizer (22);
The blast inlet of steam heater (19) is connected with the air outlet of gas blower (18), and heat outlet is connected with the opening for feed of FA tup pulverizer (22);
The opening for feed of anti-blocking feeder (23) is connected with the rotary conveyor discharge port of feeding machine (24), and discharge port is connected with the opening for feed of FA tup pulverizer (22);
The discharge port of FA tup pulverizer (22) is connected with the opening for feed of powder separating machine (25), and powder separating machine (25) has two discharge ports, is connected respectively with the opening for feed of gas-solid separator (26) and the opening for feed of FA tup pulverizer (22);
The connected lock wind dumper (27) in gas-solid separator (26) bottom is connected with rotary conveyor (28), and top outlet is connected with the blast inlet of sack cleaner (29);
(35 are connected together by pipeline, and its connected lock wind dumper (30) in bottom is connected with rotary conveyor (28) with barometric damper (33), main induced draft fan (34), aiutage in the top outlet of sack cleaner (29); Chapelet (31) underfeed end is connected with rotary conveyor (28) discharge end, and top discharge end is connected with finished bin (32).
2. the dry grinding calcination system of FA according to claim 1, is characterized in that FA tup pulverizer (22) opening for feed (5) and discharge port (11), is positioned at the fuselage both sides of FA tup pulverizer, the pulverizing bin top in FA tup pulverizer (22).
3. FA according to claim 1 is dried grinding calcination system, the disk rotary wheel (9) that it is characterized in that FA tup pulverizer (22) is divided into impartial two parts in the center of circle excessively, there is bulge loop (14) at disk rotary wheel (9) axle center hole place, bulge loop (14) is concentric with rotation axis (4), bulge loop (14) internal diameter is consistent with rotation axis (4) external diameter, and bulge loop (14) is affixed and is connected with rotation axis (4).
4. FA according to claim 1 is dried grinding calcination system, the rotating shaft axle sleeve (10) that it is characterized in that FA tup pulverizer (22) is divided into impartial two portions in the center of circle excessively, the both sides of rotating shaft axle sleeve (10) surface of separation semicircumference external diameter are radially extended and are connected with rectangular parallelepiped web plate, are evenly equipped with through hole (17) on rectangular parallelepiped web plate.
5. FA according to claim 1 is dried grinding calcination system, rotating shaft axle sleeve (10) internal diameter that it is characterized in that FA tup pulverizer (22) is consistent with the external diameter of the bulge loop (14) of disk rotary wheel (9), bulge loop (14) external diameter of the internal diameter of rotating shaft axle sleeve (10) and disk rotary wheel (9) is close to, bolt, through the through hole (17) of rotating shaft axle sleeve (10) web plate, is fixed together disk rotary wheel (9) and rotation axis (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751399.8U CN203582744U (en) | 2013-11-25 | 2013-11-25 | FA (Fly Ash) drying, grinding and calcining system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751399.8U CN203582744U (en) | 2013-11-25 | 2013-11-25 | FA (Fly Ash) drying, grinding and calcining system |
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|---|---|
| CN203582744U true CN203582744U (en) | 2014-05-07 |
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ID=50580694
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| CN201320751399.8U Expired - Fee Related CN203582744U (en) | 2013-11-25 | 2013-11-25 | FA (Fly Ash) drying, grinding and calcining system |
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Cited By (5)
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| CN103071570A (en) * | 2013-01-18 | 2013-05-01 | 杨建川 | Grinding chamber device of deflagration machine |
| CN104003636A (en) * | 2014-06-12 | 2014-08-27 | 安玉奎 | Gypsum processing system |
| CN104279570A (en) * | 2014-10-20 | 2015-01-14 | 北京建筑材料科学研究总院有限公司 | Kiln feeding system for directly injecting refuse-derived fuel into cement kiln |
| CN110451831A (en) * | 2019-08-28 | 2019-11-15 | 绵竹市恒远环保科技有限公司 | Building gypsum plaster calcine technology and device |
| CN112694904A (en) * | 2020-11-05 | 2021-04-23 | 北票北塔油页岩综合开发利用有限公司 | Apparatus and method for treating oil shale |
-
2013
- 2013-11-25 CN CN201320751399.8U patent/CN203582744U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071570A (en) * | 2013-01-18 | 2013-05-01 | 杨建川 | Grinding chamber device of deflagration machine |
| CN103071570B (en) * | 2013-01-18 | 2015-04-01 | 杨建川 | Grinding chamber device of deflagration machine |
| CN104003636A (en) * | 2014-06-12 | 2014-08-27 | 安玉奎 | Gypsum processing system |
| CN104279570A (en) * | 2014-10-20 | 2015-01-14 | 北京建筑材料科学研究总院有限公司 | Kiln feeding system for directly injecting refuse-derived fuel into cement kiln |
| CN104279570B (en) * | 2014-10-20 | 2016-05-11 | 北京建筑材料科学研究总院有限公司 | A kind of directly by the kiln system that enters of garbage fuel injected water stall |
| CN110451831A (en) * | 2019-08-28 | 2019-11-15 | 绵竹市恒远环保科技有限公司 | Building gypsum plaster calcine technology and device |
| CN110451831B (en) * | 2019-08-28 | 2021-12-14 | 绵竹市恒远环保科技有限公司 | Building gypsum powder calcining process and device |
| CN112694904A (en) * | 2020-11-05 | 2021-04-23 | 北票北塔油页岩综合开发利用有限公司 | Apparatus and method for treating oil shale |
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