CN2844811Y - Special atomizing drier for particle protective slag - Google Patents
Special atomizing drier for particle protective slag Download PDFInfo
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- CN2844811Y CN2844811Y CN 200520036257 CN200520036257U CN2844811Y CN 2844811 Y CN2844811 Y CN 2844811Y CN 200520036257 CN200520036257 CN 200520036257 CN 200520036257 U CN200520036257 U CN 200520036257U CN 2844811 Y CN2844811 Y CN 2844811Y
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Abstract
The utility model relates to a drying apparatus, particularly an atomizing drying device for particle protective slag. The special atomizing drying device for particle protective slag comprises a combustion furnace for combusting coal, a hot air transport pipeline, a hot air distributing device, an inner swirl type pressure nozzle, a drying tower, a material sucking cover, a gravity valve, a cooling bed, a multiple cyclone, a pressure type atomizing pump, a low speed stirrer and a feeding pump. The upper part of the tower of the atomizing drying device uses the upper taper structure to solve the problems that paste is sprayed on the top or is stuck with the wall. A hot air distributing system of the atomizing drying tower is good for the full mix of the hot air and material fog in the drying tower, and the heat exchange is sufficient and timely. A vibration cooling bed is arranged to solve the difficulties that the higher product temperature brings the convenience to the package, and the breakage of product particles after dryness can be avoided. The atomizing drying device for particle protective slag can produce hollow particle protective slag to completely satisfy a requirement of continuous casting production.
Description
Technical field
The utility model relates to a kind of drying equipment, particularly relates to a kind of spray-drying installation that is used for the granulation covering slag.
Background technology
The hollow bead covering slag is a kind of important auxiliary material in the continuous casting steel machine industry; it can prevent that molten steel is by secondary oxidation; absorption molten steel surface field trash is eliminated molten steel meniscus place because of S, O element caused mold liquid level slag group and casting billet surface and subcrack and pore.But also have lubricated, heat insulation, insulation effect, help molten steel to crystallize into ingot.And the covering slag that is applied to continuous casting production the earliest is the powdery slag of mechanical type, because dust pollution is big, and layering easily in transportation and the storage, thereby replaced by the synthetic covering slag of graininess gradually.But synthetic particle is a full particle, and burn-off rate is slow, and particle diameter is inhomogeneous, influences the quality of steel, and the steel cost is increased.The hollow bead covering slag has overcome the defective of the above-mentioned type product, and becomes continuous casting steel covering slag new development trend gradually.
Traditional covering slag production technology is to mix through oven drying after the various raw material pulverizing, and the covering slag of making is a powdery, can't granulation, and product easily absorbs water, and easily layering makes uneven components in transportation.
The utility model content
The technical problems to be solved in the utility model is to overcome prior art to have deficiency, provides a kind of drying, two operations of granulation are combined, and moment is finished the special-purpose spray-drying installation of granulation covering slag of dry run after the pressure atomization granulation.
The special-purpose spray-drying installation of the utility model granulation covering slag comprises coal combustion furnace, the hot blast conveying pipe road, hot-air distributor, interior whirlpool formula drive nozzle, drying tower, the suction cover, weight valve, cold bed, multiple cyclone, the pressure type atomizer pump, low-speed mixer, feeding engine, described interior whirlpool formula drive nozzle is by nozzle carrier, be arranged on the O RunddichtringO in the nozzle nut groove, be arranged on the mist material distributor on nozzle carrier top, be arranged on the distributor bottom above the distributor, be arranged on the vortex board above the distributor bottom, the jet orifice plate and the nozzle nut that are arranged on the nozzle nut bottom are formed;
Described hot-air distributor is tower logarithm spiral hot-air distributor, and by the tower logarithm helical structure of bilayer, by constituting gas distribution chamber between per two spiral blades of logarithm, its pedestal is fixed on the drying tower top;
Described drying tower top structure is set to 30 degree angle upper cone structures;
Described cold bed is arranged on suction cover and weight valve lower end.
The special-purpose spray-drying installation of the utility model granulation covering slag compared with prior art has following beneficial effect: the utility model spray drying device is bigger than normal than conventional drying tower in the size of spray drying tower, the upper cone structure is adopted on tower body top simultaneously, solved the problem of slip spray top and sticking wall, the hot blast distribution system of spray drying tower adopts tower logarithm spiral hot-air distributor, the material mist that is beneficial to drying tower inside fully mixes with hot blast, and heat exchange is fully timely; In addition, supporting to be provided with vibration cooling bed in lower end product rewinding place of dry tower body suction cover 7, solved because the higher difficulty of bringing to packing of dry back product temperature, also avoids destroying the particle of dry back product.Product particle covering slag by the production of the utility model spray-drying installation has good heat insulating ability, and mobile strong, composition is even, no dust pollution; And the hollow bead covering slag that the spray-drying installation that uses the special use of the utility model granulation covering slag is produced can satisfy the needs that continuous casting is produced fully.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 is the spray-drying installation process flow diagram of the utility model granulation covering slag special use;
Fig. 2 is the spray-drying installation hot-air distributor plan structure schematic diagram of the utility model granulation covering slag special use;
Fig. 3 is the spray-drying installation hot-air distributor left side TV structure schematic diagram of the utility model granulation covering slag special use;
Fig. 4 is the spray-drying installation pressure nozzle assembly structure schematic diagram of the utility model granulation covering slag special use;
Fig. 5 is the spray-drying installation pressure nozzle nozzle carrier structural representation of the utility model granulation covering slag special use;
Fig. 6 is the spray-drying installation pressure nozzle distributor master TV structure schematic diagram of the utility model granulation covering slag special use;
Fig. 7 is the spray-drying installation pressure nozzle pressure nozzle vortex board plan structure schematic diagram of the utility model granulation covering slag special use;
Fig. 8 is the spray-drying installation power spray nozzle plate plan structure schematic diagram of the utility model granulation covering slag special use;
Fig. 9 is the spray-drying installation pressure nozzle nozzle nut master TV structure schematic diagram of the utility model granulation covering slag special use;
Figure 10 is the spray-drying installation cold bed master TV structure schematic diagram of the utility model granulation covering slag special use;
Figure 11 is the spray-drying installation cold bed plan structure schematic diagram of the utility model granulation covering slag special use;
Figure 12 is the spray-drying installation cold bed left side TV structure schematic diagram of the utility model granulation covering slag special use.
Wherein: 1, be coal combustion furnace; 2, be the hot blast conveying pipe road; 3, be peep hole; 4, be hot-air distributor; 5, be interior whirlpool formula drive nozzle; 6, be drying tower; 7, be the suction cover; 8, be weight valve; 9, be cold bed; 10, be multiple cyclone; 11, be the pressure type atomizer pump; 12, be piping filter; 13, be low-speed mixer; 14, be vibration filters; 15, be feeding engine; 16, be ball mill; 17, be conveying worm; 18, be spray; 19, be feed bin; 20, be air-introduced machine; 21, be draft regulator; 22, be shower; 23, be the spiral blade of hot-air distributor logarithm; 24, be the hot-air distributor gas distribution chamber; 25, be the air channel; 26, be pedestal; 27, be pad; 28, be the spray gun joint; 29, be nozzle carrier; 30, be the O RunddichtringO; 31, be nozzle nut; 32, be distributor; 33, be distributor bottom; 34, be vortex board; 35, be jet orifice plate; 36, be pad; 37, be screen pack; 38, be the material cooling bath; 39, be spring seat board; 40, be spring; 41, be underframe; 42, be bearing support; 43, be vibrating motor; 44, vibrating motor seat board; 45, be the cold bed water inlet pipe; 46, be the cold bed outlet pipe.
The specific embodiment
Below in conjunction with drawings and Examples technical solutions of the utility model are further described.
The special-purpose spray-drying installation of the utility model granulation covering slag comprises coal combustion furnace 1, hot blast conveying pipe road 2, hot-air distributor 4, interior whirlpool formula drive nozzle 5, drying tower 6, suction cover 7, weight valve 8, cold bed 9, multiple cyclone 10, pressure type atomizer pump 11, low-speed mixer 13, feeding engine 15 is formed, and described interior whirlpool formula drive nozzle 5 is by nozzle carrier 29, be arranged on the O RunddichtringO 30 in nozzle nut 31 grooves, be arranged on the distributor 32 on nozzle carrier 29 tops, be arranged on the distributor bottom 33 above the distributor 32, be arranged on the vortex board 34 above the distributor bottom 33, the jet orifice plate 35 and the nozzle nut 31 that are arranged on nozzle nut 31 bottoms are formed;
Described hot-air distributor 4 is the hot-air distributor of double-deck tower logarithm helical structure, and double-deck by constituting gas distribution chamber 24 between the spiral blade 23 of per two logarithms, its pedestal 26 is fixed on the top of drying tower 6 upper cone structures; The air channel 25 of pedestal 26 centre bores for communicating with hot blast distribution cavity 24;
Described drying tower top structure is set to 30 degree angle upper cone structures;
Described cold bed 9 is arranged on suction cover 7 and weight valve 8 lower ends.
Described cold bed 9 is made up of bearing support 42, spring seat board 39, spring 40, screen pack 37, material cooling bath 38, vibrating motor 43; Spring seat board 39 is arranged on the side of underframe 41, and underframe 41 has two, is arranged on the both ends of bearing support 42; Screen pack 37 is arranged on material cooling bath 38 leading sections, and material cooling bath 38 is arranged on the bearing support 42 by its length direction; Vibrating motor 43 is two, is separately fixed at both sides, bearing support 42 middle part by vibrating motor seat board 43.
Show that as Fig. 1 the version at dry tower body top adopts the upper cone structure at 30 degree angles, can prevent the covering slag slip spray top that proportion is bigger.
As shown in Figure 2, described hot-air distributor 4 is the hot-air distributor of double-deck tower logarithm helical structure, and double-deck by constituting gas distribution chamber 24 between the spiral blade 23 of per two logarithms, its pedestal 26 is fixed on the top of drying tower 6 upper cone structures; Pedestal 26 centre bores revolve the air channel 25 that chamber 24 communicates for distributing with hot blast;
As Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, for can satisfying the needs of slurry granulation atomizing, interior whirlpool formula drive nozzle 5 by nozzle carrier 29, be arranged on O RunddichtringO 30 in nozzle nut 31 grooves, be arranged on distributor 32 in the nozzle carrier 29 top grooves, be arranged on the distributor bottom 33 above the distributor 32, vortex board 34, the jet orifice plate 35 that is arranged on nozzle nut 31 bottoms and the nozzle nuts 31 that are arranged on above the distributor bottom 33 are formed.Nozzle carrier 29 upper end outer circumference surfaces are provided with one section external screw thread; Distributor 32 is placed in the groove at nozzle carrier 29 tops, distributor bottom 33 is placed on the upper end of distributor 32, vortex board 34 is placed on the upper end of distributor bottom 33, and jet orifice plate 35 is placed on the upper end of vortex board 34, again at upper ends one pad 36 of jet orifice plate 35; The endoporus lower end of nozzle nut 31 is provided with an annular groove, the endoporus stage casing is provided with one section internal thread, O RunddichtringO 30 is placed in the annular groove of nozzle nut 31, the screw thread of nozzle nut 31 with nozzle carrier 29 screwed, promptly finished the assembling of interior whirlpool formula drive nozzle 5.During use,, can carry out the atomizing of slip with the pipe joint 28 of atomizer pump shown in Figure 1 11 and being threaded of nozzle carrier 29 lower ends.
As Fig. 1, Fig. 9, Figure 10, shown in Figure 11, described cold bed 9 is arranged on the lower end of suction cover 7 and weight valve 8; Described cold bed 9 is made up of bearing support 42, spring seat board 39, spring 40, screen pack 37, material cooling bath 38, vibrating motor 37; Spring seat board 39 has four, is arranged on the side bearing leg of underframe 41; Underframe 41 has two, is arranged on the both ends of bearing support 42; Screen pack 37 is arranged on material cooling bath 38 leading sections, and material cooling bath 38 is arranged on the bearing support 42 by its length direction; Vibrating motor 43 is two, is separately fixed at both sides, bearing support 42 middle part by vibrating motor seat board 44.Both ends in material cooling bath 38 1 sides are provided with water inlet pipe 45 and outlet pipe 46 respectively.
The utility model is work like this: be atomized material and transfer out from feed bin 19 by conveying worm 17,19 mouthfuls of places of feed bin through spray 18 send into ball mill 16 ball millings after, sending into vibration filters 14 by feeding engine 15 filters, delivering to piping filter 12 after low-speed mixer 13 stirs filters, after atomizer pump 11 atomizing, be connected the ejection that just can in drying tower 6, make progress of the slip after the atomizing with the lance tube that is arranged on dry tower body lower end by the carrier pipe joint.
Hot blast is delivered to cat head by hot blast conveying pipe road 2 and is connected with hot-air distributor 4 by producing in the coal combustion furnace 1.Hot blast through hot-air distributor 4 pedestal circumference leave the air channel 26 that communicates with hot blast distribution cavity 24 enter between the spiral blade 23 of logarithm constitute gas distribution chamber 24 after, spraying in the shape of a spiral by hot-air distributor 4, shape moves downward, and the slip of atomizing sprays from bottom to top by spray gun 5, the slurry atomization drop is fully contacted in tower with hot-air, guarantee that drop has enough time of staying in drying tower 6, to reach the purpose of wink-dry.
Dried material is funnel shaped lower cone because of deadweight drops to, discharge by the weight valve 8 in lower cone exit.Therefore the temperature of charge the time is higher; material is fallen the front end of cold bed 9; move to the back-end and cool off through vibrating motor 43 vibrations from material cooling bath 38 front ends, the atomization drying work that packaging bags is promptly finished the special-purpose spray-drying installation of the utility model granulation covering slag is advanced at 38 back outlet places at the material cooling bath.
Claims (2)
1, the special-purpose spray-drying installation of a kind of granulation covering slag; comprise coal combustion furnace (1), hot blast conveying pipe road (2), hot-air distributor (4), interior whirlpool formula drive nozzle (5), drying tower (6), suction cover (7), weight valve (8), cold bed (9), multiple cyclone (10), pressure type atomizer pump (11), low-speed mixer (13), feeding engine (15) composition, it is characterized in that:
A) in described whirlpool formula drive nozzle (5) by nozzle carrier (29), be arranged on O RunddichtringO (30) in nozzle nut (31) groove, be arranged on nozzle carrier (29) top distributor (32), be arranged on distributor bottom (33) above the distributor (32), be arranged on vortex board (34) above the distributor bottom (33), the jet orifice plate (35) and the nozzle nut (31) that are arranged on nozzle nut (31) bottom form;
B) described hot-air distributor (4) is the hot-air distributor of double-deck tower logarithm helical structure, and double-deck by constituting gas distribution chamber (24) between per two spiral blades of logarithm (23), its pedestal (26) is fixed on the top of drying tower (6) upper cone structure; Pedestal (26) centre bore revolves the air channel (25) that chamber (24) communicates for distributing with hot blast;
C) described drying tower top structure is set to 30 degree angle upper cone structures;
E) described cold bed (9) is arranged on suction cover (7) and weight valve (8) lower end.
2, the special-purpose spray-drying installation of granulation covering slag according to claim 1 is characterized in that: described cold bed (9) is made up of bearing support (42), spring seat board (39), spring (40), screen pack (37), material cooling bath (38), vibrating motor (43); Spring seat board (39) is arranged on the side of underframe (41), and underframe (41) has two, is arranged on the both ends of bearing support (42); Screen pack (37) is arranged on material cooling bath (38) leading section, and material cooling bath (38) is arranged on the bearing support (42) by its length direction; Vibrating motor (43) is two, is separately fixed at both sides, bearing support (42) middle part by vibrating motor seat board (44); Be respectively equipped with water inlet pipe (45) and outlet pipe (46) in material cooling bath (38) rear and front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036257 CN2844811Y (en) | 2005-11-21 | 2005-11-21 | Special atomizing drier for particle protective slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036257 CN2844811Y (en) | 2005-11-21 | 2005-11-21 | Special atomizing drier for particle protective slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2844811Y true CN2844811Y (en) | 2006-12-06 |
Family
ID=37486758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520036257 Expired - Fee Related CN2844811Y (en) | 2005-11-21 | 2005-11-21 | Special atomizing drier for particle protective slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2844811Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106942769A (en) * | 2017-03-24 | 2017-07-14 | 陕西瑞之源农牧科技有限公司 | A kind of feed Hollow Compound particulate vector production system and production method |
| CN107586900A (en) * | 2017-08-22 | 2018-01-16 | 上海驰春节能科技有限公司 | A kind of method and device of spray-granulated molten blast furnace slag |
-
2005
- 2005-11-21 CN CN 200520036257 patent/CN2844811Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106942769A (en) * | 2017-03-24 | 2017-07-14 | 陕西瑞之源农牧科技有限公司 | A kind of feed Hollow Compound particulate vector production system and production method |
| CN106942769B (en) * | 2017-03-24 | 2023-04-11 | 陕西瑞之源农牧科技有限公司 | Production system and production method of hollow composite particle carrier for feed |
| CN107586900A (en) * | 2017-08-22 | 2018-01-16 | 上海驰春节能科技有限公司 | A kind of method and device of spray-granulated molten blast furnace slag |
| CN107586900B (en) * | 2017-08-22 | 2019-03-29 | 上海驰春节能科技有限公司 | A kind of method and device of spray-granulated molten blast furnace slag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |