CN205156509U - Rotatory flash drying system of combined thermal transmission formula - Google Patents
Rotatory flash drying system of combined thermal transmission formula Download PDFInfo
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- CN205156509U CN205156509U CN201520870813.6U CN201520870813U CN205156509U CN 205156509 U CN205156509 U CN 205156509U CN 201520870813 U CN201520870813 U CN 201520870813U CN 205156509 U CN205156509 U CN 205156509U
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Abstract
The utility model relates to a rotatory flash drying system of combined thermal transmission formula, material feeding equipment that hot -blast equipment that the hot -blast import that sets up including rotatory flash drying machine, with rotatory flash drying machine lower extreme side is connected, the matter entrance who sets up with rotatory flash drying machine middle part side are connected and the gas material splitter that is connected with air outlet that rotatory flash drying machine upper end side set up, the heating jacket of the outside setting of the dry section lateral wall at rotatory flash drying machine middle part, the utility model discloses a compound conduction method of conduction - convection current is reformed transform into with the heat transfer mode of rotatory flash drying built -in by the convection type conduction to the improvement of pairing rotation flash drying system, improves the heat transfer efficiency of dry material in -process, reduces the equipment energy consumption, improves powder drying efficiency, reduces the equipment operation cost.
Description
Technical field
The utility model belongs to dry materials technical field, is specifically related to a kind of complex heat transfer formula rotary flash drying system.
Background technology
Spin Flash Dryer is a kind of drying equipment dry technology and fluidization technology are comprehensively integrated released abroad the eighties in 20th century, which overcome the shortcoming that drying equipment energy resource consumption is large and fluidized bed drying is uneven, the chief of both collection, becomes the desirable drying equipment with the feature such as efficient, energy-conservation, quick.
Rotatingandflashstreamingdrier integrates novel continuous drying equipment that is dry, that pulverize, sieve, is specially adapted to the oven dry of filter cake shape, cream pasty state, sposh pasty material.Wet stock is only 5 ~ 8 seconds in the drying tower inner drying time, moisture flash evapn.
In recent years along with powder industry development rapidly and scale is also larger, thus higher demand is proposed to the production capacity of drying system, and large-scale Rotatingandflashstreamingdrier is also rarely found at present, the maximum model of current domestic flash distillation is also only serial to SZ-18 (diameter 1800mm) type, because be subject to the restriction of many factors.Such as hot air source problem, solution has two kinds: one to be increase heat exchange area usually, and this will cause equipment volume huge; Another kind method improves hot blast wind-warm syndrome, but be subject to the impact of material factor.
Along with the raising of product yield and production capacity, equipment is constantly to maximization series development, and the hot blast air quantity also corresponding raising needed for output increases, causes specification of equipment increasing, required power of motor is larger, air-out volume increases, and its follow-up cleaner specification increases, and deduster model is larger, power of motor increases, cause production cost to increase, and efficiency of dust collection is lower, causes environmental pollution.
In recent years, the producer of production Thermal Equipment have developed the hot-blast stove of 500 DEG C of wind-warm syndrome, but one-time investment is larger.These methods can meet the demand of large-scale production, but from reduction energy consumption and one-time investment, reduce the aspects such as floor space and need exploitation further and research.
Utility model content
The utility model technical issues that need to address are to provide a kind of complex heat transfer formula rotary flash drying system, improve the thermal conduction rate in dry materials process, reduce equipment energy consumption, improve powder drying efficiency, reduce equipment operation cost.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
Complex heat transfer formula rotary flash drying system, the Conveyance equipment comprising Rotatingandflashstreamingdrier, the blast heater be connected with the hot wind inlet that Rotatingandflashstreamingdrier lower end side is arranged, the material feeding equipment be connected with the material inlet that side in the middle part of Rotatingandflashstreamingdrier is arranged and be connected with the air outlet that Rotatingandflashstreamingdrier upper side is arranged, the heating jacket of the arranged outside of the dryer section sidewall in the middle part of described Rotatingandflashstreamingdrier.
The further improvement of technical solutions of the utility model is: described hot wind inlet is connected with the hot-air distributor be arranged on outside the fluidisation section of Rotatingandflashstreamingdrier lower end, and the hot blast in described hot-air distributor enters fluidisation section by the air intake slit arranged between fluidisation section sidewall and edge, back taper bottom surface with tangential direction.
The further improvement of technical solutions of the utility model is: the height of described air intake slit is 5 ~ 40mm, and described air intake slit is arrange continuously.
The further improvement of technical solutions of the utility model is: described heating jacket is the one in conventional jacket, half-pipe jacket, outer disk pipe clamp cover, inner coil pipe chuck, honeycomb cone chuck, Honeycomb neck chuck, and the heat medium in described heating jacket is conduction oil or steam.
The further improvement of technical solutions of the utility model is: the middle part of the fluidisation section of described Rotatingandflashstreamingdrier is arranged agitator and is connected with the drive unit being arranged on back taper subjacent by shaft.
The further improvement of technical solutions of the utility model is: between dryer section and segregation section, arrange clasfficiator in described Rotatingandflashstreamingdrier chamber.
The further improvement of technical solutions of the utility model is: described blast heater includes the air blast that air port arranges air cleaner and the air heater be arranged between blower outlet and hot wind inlet.
The further improvement of technical solutions of the utility model is: described material feeding equipment comprises the screw feeder be connected with material inlet.
The further improvement of technical solutions of the utility model is: described Conveyance equipment comprises the two-stage separator and air-introduced machine that are connected to and air outlet is made up of cyclone dust collectors and sack cleaner.
Owing to have employed technique scheme, the technological progress acquired by the utility model is:
The utility model is by the improvement to rotary flash drying system, mainly the heat transfer type in Rotatingandflashstreamingdrier is conducted by convection and be transformed into the compound conduction pattern of conduction-convection, improve the heat transfer efficiency in dry materials process, reduce equipment energy consumption, improve powder drying efficiency, reduce equipment operation cost.
The utility model, by reducing the hot blast air quantity required for dried material at drying machine dryer section shell increase heating jacket, reduces Rotatingandflashstreamingdrier device diameters, reduces plant capacity, reduce the specification of follow-up Conveyance equipment.Solve tradition and only reach raising drying efficiency and the bottleneck problem that faces by improving device diameters or improving hot blast temperature.
The treating capacity of drying system of the present utility model is higher than existing conventional equipment.The utility model makes that the hot blast air quantity required for dried material reduces, device diameters reduces, power of motor reduces, the thermal efficiency improves.Hot blast air quantity reduce after, air-out volume reduce, will make follow-up Conveyance equipment as: cyclone dust collectors, bag consider deduster process air quantity reduce, needed for equipment specification reduce, efficiency of dust collection increase, whole system cost of investment and operating cost reduce all greatly.
The bottom surface of Rotatingandflashstreamingdrier fluidisation section of the present utility model arranges inverted pyramidal structures, hot blast is with in the circular hot-air distributor being distributed in fluidisation section periphery, hot blast enters fluidisation section from air intake slit with tangential direction and forms rotation wind field, and the size of air intake slit is the major parameter directly affecting drying machine working condition.Be provided with agitator in fluidisation section, be used for fragmentation, mixed material, hot blast and material are fully contacted and ensures particle in the hothouse high-temperature region time of staying for the shortest.Material prolongs inner outer spiral with the hot blast tangentially to enter to rotate the mode risen, and during via dryer section, material and by sidewall and heating jacket heat exchange acutely, can greatly reduce hot blast consumption.Clasfficiator above dryer section, under making particle more greatly, also not have dry feed separation gear, to proceed drying, thus ensures that product granularity is qualified.
Rotatingandflashstreamingdrier interior lower end of the present utility model arranges agitator, material can fully and hot air by mixer after entering flash dryer inside, reach the drying effect of material at short notice, flash dryer inside of the present utility model is positioned at dryer section top end and is provided with clasfficiator, can make particle more greatly, also do not reach drying effect feed separation gear under, proceed drying, thus ensure that product granularity is qualified.
The utility model is by reasonable computation and arrange drying operation parameter, by conservative control baking temperature, and wind speed, air quantity, broken speed, enough quality and drying efficiencies ensureing the product that drying goes out preferably.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model;
Fig. 2 is the structural representation of Rotatingandflashstreamingdrier of the present utility model;
Wherein, 1, Rotatingandflashstreamingdrier, 1-1, hot wind inlet, 1-2, material inlet, 1-3, air outlet, 1-4, dryer section, 1-5, fluidisation section, 1-6, segregation section, 2, heating jacket, 3, hot-air distributor, 3-1, air intake slit, 4, agitator, 4-1, drive unit, 5, clasfficiator, 6, air blast, 6-1, air cleaner, 7, air heater, 8, screw feeder, 9, cyclone dust collectors, 10, sack cleaner, 11, air-introduced machine.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details.Following examples propose as an example, not as the unique restriction to this utility model.
Complex heat transfer formula rotary flash drying system of the present utility model, comprise Rotatingandflashstreamingdrier 1, blast heater, material feeding equipment and Conveyance equipment, blast heater is as one of thermal source, for whole drying system provides hot blast, blast heater is connected with the hot wind inlet 1-1 on Rotatingandflashstreamingdrier 1, material feeding equipment is connected with the material inlet 1-2 on Rotatingandflashstreamingdrier 1, Conveyance equipment is separated with air dried material, and Conveyance equipment is connected with the air outlet 1-3 on Rotatingandflashstreamingdrier 1.Concrete structure as shown in Figure 1.
Rotatingandflashstreamingdrier 1 of the present utility model is core structure, is divided into fluidisation section 1-5, dryer section 1-4, segregation section 1-6 from down to up, and the bottom of Rotatingandflashstreamingdrier 1 is back taper bottom surface, and top is plane or arc top surface.Fluidisation section 1-5 is positioned at the lower end of Rotatingandflashstreamingdrier 1, fluidisation section 1-5 arranged outside hot-air distributor 3, the air intake slit 3-1 arranged between fluidisation section 1-5 sidewall and edge, back taper bottom surface, hot-air distributor 3 is arranged hot-wind inlet 1-1, the hot blast in hot-air distributor 3 is entered into by hot-wind inlet 1-1, after hot-air distributor 3 homogenizing, enter fluidisation section 1-5 by air intake slit 3-1 with sidewall tangential direction and also form rotation wind field.The height of air intake slit 3-1 of the present utility model is 5 ~ 30mm, and air intake slit 3-1 is arranged for being interrupted.
The middle part of the fluidisation section 1-5 of Rotatingandflashstreamingdrier 1 of the present utility model arranges agitator 4, and agitator 4 is connected with the drive unit 4-1 being arranged on back taper subjacent by shaft.Material enters in Rotatingandflashstreamingdrier 1 by material inlet 1-2, gravitate drops in fluidisation section 1-5, pulverized by agitator 4, the material after pulverizing is heated by hot blast, and the rotation wind field that material and hot blast are formed rises to dryer section 1-4 along the barrel of Rotatingandflashstreamingdrier 1.
The heating jacket 2 of the arranged outside of the dryer section 1-4 sidewall in the middle part of Rotatingandflashstreamingdrier 1 of the present utility model, heating jacket 2 couples of dryer section 1-4 heat simultaneously.Heating jacket 2 is the one in conventional jacket, half-pipe jacket, outer disk pipe clamp cover, inner coil pipe chuck, honeycomb cone chuck, Honeycomb neck chuck, and the heat medium in heating jacket 2 is conduction oil or steam.Heating jacket 2 also can be electrical heating chuck.Heating jacket 2 couples of dryer section 1-4 heat, and can carry out post bake to the material risen.
Be positioned at for arrange clasfficiator 5 between segregation section 1-6, dryer section 1-4 and segregation section 1-6 above dryer section 1-4 in Rotatingandflashstreamingdrier 1 chamber of the present utility model, clasfficiator 5 is for having the steel-wire screen of sieve aperture.
Blast heater of the present utility model comprises air blast 6 and air heater 7, and the air intake vent of air blast 6 arranges air cleaner 6-1, between the air outlet that air heater 7 is arranged on air blast 6 and hot wind inlet 1-1.
Material feeding equipment of the present utility model comprises screw feeder 8, and screw feeder 8 is connected with material inlet 1-2.
Conveyance equipment of the present utility model comprises cyclone dust collectors 9, sack cleaner 10 and air-introduced machine 11, cyclone dust collectors 9 and sack cleaner 10 to be connected on air outlet 1-3 and the two-stage separator of composition, and the air after being separated is drawn Conveyance equipment by air-introduced machine 11.
In rotary flash drying system of the present utility model, the flow direction of air and material is: air is undertaken entering air blast 6 after filtration by air cleaner 6-1 early stage, air after filtration by air blast 6 air outlet can be continual and steady the heater 7 that enters heat, the air that temperature after heating reaches 50 DEG C ~ 500 DEG C enters hot-air distributor 3 from the hot wind inlet 1-1 of Rotatingandflashstreamingdrier 1 bottom, hot-air carries out homogenizing in hot-air distributor 3, and entering fluidisation section 1-5 by air intake slit 3-1, the hot blast entering fluidisation section 1-5 is formed and rotates wind field.
Rotatingandflashstreamingdrier 1 material inlet 1-2 is connected with screw feeder 8, sustainable interpolation to Rotatingandflashstreamingdrier 1 inside needs the dry material processed, material contacts with the hot blast tangentially entered after material inlet 1-2 enters Rotatingandflashstreamingdrier 1, because the comparatively large comparatively wet material of Action of Gravity Field falls to bottom Rotatingandflashstreamingdrier 1, by Mechanical Crushing under agitator 4 acts on.
Hot blast is with the material generation heat exchange that enters and upwards enter dryer section 1-4 with material, and carries out post bake at dryer section 1-4 by heating jacket.Material is violent with heating jacket 2 heat exchange in Rotatingandflashstreamingdrier 1, can greatly reduce hot blast consumption, and under equal requirement, drying equipment diameter can be made to diminish after reducing hot blast air quantity, follow-up cleaner specification diminishes, and can effectively reduce overall cost of investment.
After drying section 1-4 heats, the material that moisture content is lower and granularity is less rises in the lump with swirling eddy, clasfficiator 5 to Rotatingandflashstreamingdrier 1 dryer section 1-4 top carries out gas solid separation, clasfficiator 5 can be larger by particle, under also there is no dry feed separation gear, to proceed drying, particulate dust after drying has processed and hot-air enter cyclone dust collectors 9 by air outlet, cyclone dust collectors 9 make dust-contained airflow rotate, by means of centrifugal force grit be separated from air-flow and trap in wall, particulate dust is made to fall into ash bucket by Action of Gravity Field, the material that primary collection drying completes, cyclone dust collectors 9 upper opening connects sack cleaner 10 by pipeline, the part dust collected without cyclone dust collectors 9 enters sack cleaner 10 with air-flow, after dusty gas enters sack cleaner 10, particle is large, heavy dust, because the effect of gravity settles down, fall into ash bucket, containing the gas compared with fine dusts when by filtrate, dust is by detention, gas is purified, the particulate dust that detention is got off is by carrying out ash bucket collection, the recovery of twice material improves organic efficiency, the air-introduced machine 11 that air after purification is arranged by bag type dust remover roof is discharged, reduce the discharge of waste gas, environmental protection more.
A use-case of the present utility model is that material to be dried is lump material, parameter of materials: bulk density 600Kg/m
3, treating capacity 4500Kg/h, the moisture 0.7Kg/Kg of material, the moisture 0.1Kg/Kg of product, feed temperature 20 DEG C, dump temperature 80 DEG C.In setting heating jacket 2, conduction oil pressure is 0.4Mpa, temperature 280 DEG C.Set temperature of outgoing air 100 DEG C, to air temperature 400 DEG C, void tower wind speed 4m/s.Drying operation is carried out by setup parameter.
Claims (9)
1. complex heat transfer formula rotary flash drying system, comprise Rotatingandflashstreamingdrier (1), the blast heater that the hot wind inlet (1-1) arranged with Rotatingandflashstreamingdrier (1) lower end side is connected, the material feeding equipment that the material inlet (1-2) arranged with side, Rotatingandflashstreamingdrier (1) middle part is connected and the Conveyance equipment be connected with the air outlet (1-3) that Rotatingandflashstreamingdrier (1) upper side is arranged, it is characterized in that: the heating jacket (2) of the arranged outside of dryer section (1-4) sidewall at described Rotatingandflashstreamingdrier (1) middle part.
2. complex heat transfer formula rotary flash drying system according to claim 1, it is characterized in that: described hot wind inlet (1-1) is connected with the hot-air distributor (3) being arranged on outside, Rotatingandflashstreamingdrier (1) lower end fluidisation section (1-5), and the hot blast in described hot-air distributor (3) enters fluidisation section (1-5) by the air intake slit (3-1) arranged between fluidisation section (1-5) sidewall and edge, back taper bottom surface with tangential direction.
3. complex heat transfer formula rotary flash drying system according to claim 2, is characterized in that: the height of described air intake slit (3-1) is 5 ~ 40mm, and described air intake slit (3-1) is arrange continuously.
4. the complex heat transfer formula rotary flash drying system according to any one of claim 1 ~ 3, it is characterized in that: described heating jacket (2) is conventional jacket, one in half-pipe jacket, outer disk pipe clamp cover, inner coil pipe chuck, honeycomb cone chuck, Honeycomb neck chuck, and the heat medium in described heating jacket (2) is conduction oil or steam.
5. complex heat transfer formula rotary flash drying system according to claim 4, is characterized in that: the middle part of the fluidisation section (1-5) of described Rotatingandflashstreamingdrier (1) is arranged agitator (4) and is connected with the drive unit (4-1) being arranged on back taper subjacent by shaft.
6. complex heat transfer formula rotary flash drying system according to claim 4, is characterized in that: be positioned in described Rotatingandflashstreamingdrier (1) chamber between dryer section (1-4) and segregation section (1-6) and arrange clasfficiator (5).
7. complex heat transfer formula rotary flash drying system according to claim 1, is characterized in that: described blast heater includes the air blast (6) that air port arranges air cleaner (6-1) and the air heater (7) be arranged between air blast (6) air outlet and hot wind inlet (1-1).
8. complex heat transfer formula rotary flash drying system according to claim 1, is characterized in that: described material feeding equipment comprises the screw feeder (8) be connected with material inlet (1-2).
9. complex heat transfer formula rotary flash drying system according to claim 1, is characterized in that: described Conveyance equipment comprises the two-stage separator and air-introduced machine (11) that are connected to and air outlet (1-3) is made up of cyclone dust collectors (9) and sack cleaner (10).
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| CN201520870813.6U CN205156509U (en) | 2015-11-04 | 2015-11-04 | Rotatory flash drying system of combined thermal transmission formula |
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| CN201520870813.6U CN205156509U (en) | 2015-11-04 | 2015-11-04 | Rotatory flash drying system of combined thermal transmission formula |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107152844A (en) * | 2017-07-04 | 2017-09-12 | 江西升华新材料有限公司 | Drying machine and material handling system |
| CN107436085A (en) * | 2017-09-14 | 2017-12-05 | 无锡市强力干燥设备厂 | Spiral pneumatic drier |
| CN107462051A (en) * | 2017-09-19 | 2017-12-12 | 江苏省范群干燥设备厂有限公司 | It is a kind of to separate the controllable starch drying equipment of fineness |
| CN110407429A (en) * | 2019-08-27 | 2019-11-05 | 第一环保（深圳）股份有限公司 | A kind of quick anhydration system of low energy consumption wet stock and method |
| CN110470119A (en) * | 2019-09-25 | 2019-11-19 | 河南科技大学 | A kind of admission gear for molybdenum concentrate flash dryer |
| CN111023750A (en) * | 2019-11-19 | 2020-04-17 | 杭州利源化工有限公司 | Cotton dryer |
| CN112197511A (en) * | 2020-10-23 | 2021-01-08 | 重庆聚狮新材料科技有限公司 | Polyphenylene sulfide drying process and system |
| CN112742049A (en) * | 2019-10-30 | 2021-05-04 | 中国石油化工股份有限公司 | Rotary flash dryer |
| CN112944807A (en) * | 2021-02-07 | 2021-06-11 | 浙江龙源四方机械设备制造有限公司 | Flash evaporation drying method of fish meal |
| CN113188292A (en) * | 2021-04-21 | 2021-07-30 | 中国恩菲工程技术有限公司 | Continuous treatment system and method for wet basic magnesium carbonate material |
| CN114455545A (en) * | 2020-11-10 | 2022-05-10 | 山东天力能源股份有限公司 | Equipment and process for finely drying calcium bleaching powder |
| CN115060065A (en) * | 2022-07-11 | 2022-09-16 | 四川龙锦宇科技有限公司 | Movable biomass vortex oscillation compound drying device system and application thereof |
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2015
- 2015-11-04 CN CN201520870813.6U patent/CN205156509U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152844A (en) * | 2017-07-04 | 2017-09-12 | 江西升华新材料有限公司 | Drying machine and material handling system |
| CN107436085A (en) * | 2017-09-14 | 2017-12-05 | 无锡市强力干燥设备厂 | Spiral pneumatic drier |
| CN107462051A (en) * | 2017-09-19 | 2017-12-12 | 江苏省范群干燥设备厂有限公司 | It is a kind of to separate the controllable starch drying equipment of fineness |
| CN110407429B (en) * | 2019-08-27 | 2023-11-24 | 第一环保（深圳）股份有限公司 | Low-energy-consumption wet material rapid drying system and method |
| CN110407429A (en) * | 2019-08-27 | 2019-11-05 | 第一环保（深圳）股份有限公司 | A kind of quick anhydration system of low energy consumption wet stock and method |
| CN110470119A (en) * | 2019-09-25 | 2019-11-19 | 河南科技大学 | A kind of admission gear for molybdenum concentrate flash dryer |
| CN112742049A (en) * | 2019-10-30 | 2021-05-04 | 中国石油化工股份有限公司 | Rotary flash dryer |
| CN111023750A (en) * | 2019-11-19 | 2020-04-17 | 杭州利源化工有限公司 | Cotton dryer |
| CN112197511A (en) * | 2020-10-23 | 2021-01-08 | 重庆聚狮新材料科技有限公司 | Polyphenylene sulfide drying process and system |
| CN114455545A (en) * | 2020-11-10 | 2022-05-10 | 山东天力能源股份有限公司 | Equipment and process for finely drying calcium bleaching powder |
| CN112944807A (en) * | 2021-02-07 | 2021-06-11 | 浙江龙源四方机械设备制造有限公司 | Flash evaporation drying method of fish meal |
| CN113188292A (en) * | 2021-04-21 | 2021-07-30 | 中国恩菲工程技术有限公司 | Continuous treatment system and method for wet basic magnesium carbonate material |
| CN115060065A (en) * | 2022-07-11 | 2022-09-16 | 四川龙锦宇科技有限公司 | Movable biomass vortex oscillation compound drying device system and application thereof |
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