CN102847486B - Spray granulation fluidized drying system - Google Patents
Spray granulation fluidized drying system Download PDFInfo
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- CN102847486B CN102847486B CN201210113084.0A CN201210113084A CN102847486B CN 102847486 B CN102847486 B CN 102847486B CN 201210113084 A CN201210113084 A CN 201210113084A CN 102847486 B CN102847486 B CN 102847486B
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- 238000001035 drying Methods 0.000 title claims abstract description 24
- 239000007921 spray Substances 0.000 title claims abstract description 17
- 238000005469 granulation Methods 0.000 title abstract description 14
- 230000003179 granulation Effects 0.000 title abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 19
- 238000001694 spray drying Methods 0.000 claims abstract description 14
- 238000009826 distribution Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 20
- 239000002245 particle Substances 0.000 abstract description 10
- 239000011230 binding agent Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000010419 fine particle Substances 0.000 abstract 1
- 238000009835 boiling Methods 0.000 description 25
- 239000004744 fabric Substances 0.000 description 11
- 239000008188 pellet Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000007599 discharging Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000012216 screening Methods 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- -1 dry Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a spray granulation fluidized drying system, comprising a centrifugal spray drying tower, wherein the centrifugal spray drying tower comprises a tower top, a tower body and a tapered tower bottom which have an upper and lower sealing connection in order; the center of the tower top is provided with an atomizer, and a pressure spray nozzle for spraying dry powder upwards is arranged in the spray drying tower and under the atomizer. According to the invention, by adopting the mode of spraying downwards from the top and spraying upwards from the bottom, relative to the upward spraying, the downward spraying is suitable for further fining fog drips and increasing the fog drip density to guarantee the full and high density contact between the fog drips and dry powder; in advance, in the descending process of the fog drips, fine particles in the fog drips rapidly become sticky semi-wet state and bonds with oncoming dry powder to form particles with low humidity, thus granulation and drying can be realized without a binder.
Description
Technical field
The present invention relates to the technical field of drying equipment, specifically a kind of spraying granulation fluidized drying system.
Background technology
Existing Spray Grain-make Drier is widely used in the industries such as chemical industry, medicine, food, for the preparation of tablet, electuary, capsule, instant food, beverage particles, slow-releasing granules, chemical granule etc.
The technological process of existing Spray Grain-make Drier is generally: the heating of air heater via is laggard enters fluid bed bottom, through distribution grid, contacts with material, makes material be fluidization.The good binding agent of mother liquor is delivered to respectively atomizer by compression pump, coats fluidized particles surface so that particle bonds mutually after atomization, and through fluidisation constantly, coating, dry, particle is grown up gradually, discharges after reaching desired granularity from discharging port of fluidized bed.
The dry technological process of another kind of spraying granulation is: droplet and hot-air are worked in the mode of mixed flow, hot-air is to enter in tower by the hot-air distributor on top cover, hot-air distributor produces one downward streamline air draught, and droplet sprays into thermal air current from bottom to top.Droplet is spherical because surface tension effects forms, and simultaneously because droplet has very large surface area, wherein the rapid evaporation drying of moisture, forms dry spheric granules powder and finally shrink.
Above-mentioned the deficiencies in the prior art part is: in the dry droplet of spraying granulation, must contain binding agent, otherwise cannot granulate.And use binding agent makes production cost higher on the one hand, binding agent tends to affect product quality on the other hand.
How by a kind of be suitable for efficient granulate dry, without the spraying granulation drying system that uses binding agent, be the technical barrier of this area.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of simple in structure, be suitable for efficient granulate dry, without the spraying granulation fluidized drying system of using binding agent.
For solving the problems of the technologies described above, spraying granulation fluidized drying system provided by the invention, it comprises Centrafugal spray drying tower 1, this spray drying tower 1 comprises at the bottom of tower top 1.1, tower body 1.2 and the taper tower that upper-lower seal successively connects 1.3; It is characterized in that: tower top 1.1 bottom center are provided with atomizer 1.4, in this spray drying tower 1 and under described atomizer 1.4, be provided with the pressure nozzle 1.5 for the spray powder that makes progress, this pressure nozzle 1.5 is connected with dry powder powder feed system.
Described tower top 1.1 is provided with minute vane 1.6 being connected with hot-air system, and on tower top 1.1 bottom surfaces, annular is evenly distributed with a plurality of hot blast shower nozzles 1.7 that are connected with minute vane 1.6, and each hot blast shower nozzle 1.7 is suitable for the output hot blast tangent with the inwall of barrel-type tower body 1.2.During work, the multiply hot blast of each hot blast shower nozzle 1.7 outputs is downward along the spiral inner wall of tower body 1.2, it is descending and contact, be bonded to plastochondria with dry powder particle that multiply whirlwind carries droplet, make plastochondria described in multiply whirlwind there is longer dry trip simultaneously, guaranteed the drying effect to described plastochondria.
Described hot blast shower nozzle 1.7 comprises: the conical shell that top is connected with described minute vane 1.6, on the bottom nozzle 1.7.0 of this conical shell, be evenly distributed with a plurality of parallel wind direction blade 1.7.1, the two ends central authorities of each wind direction blade 1.7.1 are provided with rotating shaft 1.7.2, and the outer end of this rotating shaft 1.7.2 is rotatably assorted with the shaft seat 1.7.3 being located on the bottom nozzle 1.7.0 of described conical shell; The same lateral edges of each wind direction blade 1.7.1 and the wind direction of an axial distribution are controlled cable and are fixedly linked, and are provided with the hollow connecting rod 1.7.4 being sheathed on described wind direction control cable between adjacent wind direction blade 1.7.1; Wind direction is controlled the two ends of cable and is extended described conical shell and be connected with a pair of wind direction adjusting handle 1.7.8 that is located at tower top 1.1 tops respectively, this is a pair of coordinated type handwheel to wind direction adjusting handle 1.7.8, for wind direction described in folding and unfolding respectively control cable and control described each wind direction blade 1.7.1 towards, and then adjusting wind direction, make hot blast shower nozzle 1.7 hot blasts of output and the inwall of barrel-type tower body 1.2 tangent.After each wind direction blade 1.7.1 regulates and puts in place, described a pair of handwheel adopts position-limit mechanism to fix.
Described hot blast shower nozzle 1.7 is provided with volume damper 1.8 with the body that minute vane 1.6 is connected, and for making the air output of each hot blast shower nozzle 1.7 identical, so that the whirlwind air quantity of each hot blast shower nozzle output is basically identical, and then makes granulation effect basically identical.
The both sides that described wind direction is controlled cable are distributed with this wind direction and control the assist with cable that cable is parallel and be fixedly linked with the same lateral edges of each wind direction blade 1.7.1, so that each wind direction blade 1.7.1 keeping parallelism.In this assist with cable, be arranged with the hollow connecting rod 1.7.4 between adjacent wind direction blade 1.7.1, the length of each hollow connecting rod 1.7.4 is consistent with the spacing of described adjacent wind direction blade 1.7.1, to play a supporting role, and prevent wind direction blade 1.7.1 distortion.
Described pressure nozzle 1.5 comprises one, and to be sphere, arc angle be that the air-flow that dusts of 120 °-130 ° divides sheet 1.5.1, this air-flow that dusts divides and on sheet 1.5.1, is evenly equipped with flour opening 1.5.0, the center line axial distribution of each flour opening 1.5.0, so that the dry powder of ejection evenly scatters in all angles that make progress.
Described hot-air system comprises spray air heat exchanger 5, and this spray air heat exchanger 5 comprises: the heat exchange unit 5.1 that multilayer upper-lower seal connects and the preheating unit 5.2 that is sealedly attached to heat exchange unit 5.1 belows of bottom; This preheating unit 5.2 comprises the multilayer that upper-lower seal connects; The bottom air intake vent of the preheating unit 5.2 in the bottom is connected with the air outlet of spraying air blast 24, and the top outlet inlet of the heat exchange unit 5.1 of top layer is connected with the air intake vent of described minute vane 1.6 through electric heater 10, the first high temperature high efficiency particulate air filter 9 successively.The air inlet of described air blast 24 is connected with the first first medium effeciency filter 23.
The thermal medium entrance of each heat exchange unit 5.1 is connected with saturated steam carrier pipe, the thermal medium outlet of each heat exchange unit 5.1 is connected with the thermal medium entrance of each preheating unit 5.2 by after a steam trap 11, the thermal medium outlet output condensed water of each preheating unit 5.2, this condensed water is sent back to boiler, regenerates the described saturated steam that is not less than 130 ℃.
During use, the saturated steam of 130 ℃ is sent into each heat exchange unit 5.1 and the superheated water of exporting 130 ℃ after gas converting heat for fluidized drying, this superheated water of 130 ℃ generates flash steam after described steam trap 11, and be the vapour-liquid admixture of 100 ℃, and send into each preheating unit 5.2 heat exchange, for fluidized drying gas described in preheating; The gas being preheated successively heats through each heat exchange unit 5.1 again, finally reaches required temperature.
In the heat transfer process of each heat exchange unit 5.1, the saturated steam of 130 ℃ is emitted covert heat in the process that is condensed into 130 ℃ of water, makes the heat exchange coil in each heat exchange unit 5.1 remain at 130 ℃; And then make fluidized drying after successively heat exchange, substantially reach 120 ℃ with gas.
The superheated water of described 130 ℃ is sent into after described steam trap 11 to each preheating unit 5.2, with fluidized drying gas described in preheating, be beneficial to raising thermal energy conversion efficiency, with energy-conservation.
At the bottom of described taper tower, 1.3 discharging opening is connected with the feeding mouth of horizontal boiling bed 7 through the first Blowing stopper 1.9, and the bed board top in horizontal boiling bed 7 is provided with electric mixing device 7.4 and dust-removal cloth-bag 7.2 successively.When the pellet aridity of some type is inadequate, horizontal boiling bed 7 is for further dry described pellet.
The method of work of above-mentioned spraying granulation fluidized drying system, it comprises: atomizer 1.4 and pressure nozzle 1.5 be the downward respectively spray powder of spraying, make progress simultaneously, a hot blast shower nozzle 1.7 is exported a blast of hot air simultaneously, multiply hot blast is downward along the spiral inner wall of tower body 1.2, it is descending and contact, be bonded to plastochondria with dry powder particle that multiply whirlwind carries droplet, and 1.3 collecting moulding pellet at the bottom of described taper tower, pellet is exported through Blowing stopper.
As the scheme of optimizing, the relative velocity of the droplet of the spacing of atomizer 1.4 and pressure nozzle 1.5, atomizer 1.4 ejections and the dry powder of pressure nozzle 1.5 ejections, is suitable for making droplet and dry powder to cross completely and makes its intersection just cover the cross section of tower body 1.2.
The technique effect that the present invention has:
(1) mode that spray downwards in employing of the present invention top, bottom makes progress spray powder, with respect to the spraying that makes progress, adopts spraying be downwards suitable for making the further refinement of droplet and increase droplet density, guarantees that droplet is abundant with dry powder, high density contacts; In addition, in the descending process of droplet, the particle fines in droplet is rapidly adhesive half wet condition and is bonded to oncoming dry powder the plastochondria that overall humidity is lower, so granulate and be dried without using binding agent just can realize.
(2) when drying system of the present invention is worked, the multiply hot blast of each hot blast shower nozzle output forms multiply whirlwind downwards along the spiral inner wall of tower body, it is descending and contact, be bonded to plastochondria with high density dry powder particle that each strand of whirlwind carries high density droplet, multiply whirlwind makes described plastochondria have longer dry trip simultaneously, has guaranteed the drying effect to described plastochondria.Multiply whirlwind plays cleaning effect to the inwall of drying tower simultaneously, prevents that material from gluing wall, coking.
(3) hot blast shower nozzle of the present invention adopt wind adjustable to shutter, guarantee the hot blast that output is tangent with the inwall of barrel-type tower body.
(4) heat exchanger of the present invention is suitable for utilizing flash steam, the hot water preheating gas to be heated that the superheated water of abundant 130 ℃ generates, and has significantly improved utilization efficiency of heat energy.
(5) in horizontal boiling bed of the present invention, be provided with agitating device, be suitable for improving drying efficiency.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of drying system of the present invention;
Fig. 2 is the partial structurtes schematic diagram of Centrafugal spray drying tower of the present invention;
Fig. 3 is the B-B profile in Fig. 2;
Fig. 4 is described hot blast shower nozzle and the local enlarged drawing thereof in Fig. 3;
Fig. 5 is the partial enlarged drawing that the air-flow that dusts of described pressure nozzle divides sheet;
Fig. 6 is horizontal boiling bed of the present invention and the cooling bed enlarged drawing of horizontal boiling;
Fig. 7 is the internal structure schematic diagram of horizontal boiling bed of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
As Fig. 1, the spraying granulation fluidized drying system of the present embodiment, it comprises: Centrafugal spray drying tower 1, this spray drying tower 1 comprises at the bottom of tower top 1.1, tower body 1.2 and the taper tower that upper-lower seal successively connects 1.3; Described tower top 1.1 is provided with minute vane 1.6 being connected with hot-air system.Described hot-air system comprises spray air heat exchanger 5, and the top outlet inlet of spray air heat exchanger 5 is connected with the air intake vent of described minute vane 1.6 through electric heater 10, the first high temperature high efficiency particulate air filter 9 successively.The bottom air intake vent of spray air heat exchanger 5 is connected with the air outlet of spraying air blast 24, and the air inlet of this air blast 24 is connected with the first first medium effeciency filter 23.
For holding the charging basket 18 of feed liquid, through Mono pump, be connected with described atomizer 1.4.
Described tower body 1.2 is jacket type structure, the top in the chuck chamber of tower body 1.2 is connected with the exhaust outlet of a cooling retaining wall blower fan 12, inwall for cooling column body 1.2, this inwall is used for and the pellet generation heat exchange that completes granulation, make the quick cooling curing of pellet, prevent sticky wall and prevent that inwall is overheated and make material generation coking.
At the bottom of described taper tower, 1.3 discharging opening is connected with the feeding mouth of horizontal boiling bed 7 through the first Blowing stopper 1.9, horizontal boiling bed 7 comprises: housing, be located at boiling bed board in this housing, for the bottom from described boiling bed board, provide the air-distribution device 7.1 of hot blast and the exhaust outlet of being located at case top, in housing, above this boiling bed board, be provided with successively electric mixing device 7.4 and dust-removal cloth-bag 7.2.The middle and upper part of interior, contiguous this housing of described housing is provided with central dividing plate, and the top margin of this central dividing plate is connected with the inner wall sealing of described housing with dual-side, described dust-removal cloth-bag 7.2 comprises a plurality of cloth bags that are distributed in these central dividing plate both sides, bottom opening in each cloth bag of described central dividing plate homonymy is fixed on a base fabric, on this base fabric, be distributed with the through hole being connected with the bottom opening of described cloth bag respectively, each base fabric is separately fixed on the support ring of the dividing plate both sides that mediate, the surrounding of each support ring is fixed with pressure bladder, each pressure bladder after inflation is suitable for making between each support ring and central dividing plate, and be sealed and matched between each support ring and the inwall of described housing, so that the ascending air in upper shell is only discharged by each cloth bag.Top in each cloth bag of described central dividing plate homonymy is connected with the piston rod of a shake cylinder, and for controlling the alternately shake of cloth bag of described central dividing plate both sides, the action of shake cylinder is controlled by PLC.Described exhaust outlet comprises and is distributed in a pair of of described central dividing plate both sides, and each exhaust outlet is provided with butterfly valve, the shake cylinder alternation of described central dividing plate both sides, and when a shake cylinder starts to move, the described butterfly valve of homonymy is closed; Simultaneously; open with the butterfly valve of another shake cylinder homonymy; to realize the continuity of the bag-type dust operation of horizontal boiling bed; make the cloth bag that is distributed in described central dividing plate both sides alternately shake, the particle adsorbing on cloth bag is shaken off to bed board; realize the recycling of fines, after horizontal boiling bed is shut down, shake again simultaneously.
The discharging opening of described horizontal boiling bed 7 is connected with the feeding mouth of a horizontal boiling cooling bed 8 through a flow control valve 7.3, the discharging opening of this horizontal boiling cooling bed 8 is connected with a screening machine 27 through the second Blowing stopper 26, the finished product pellet outlet of screening machine 27 is connected with the feeding mouth of a weighing-packaging machine 28, and the fine powder outlet of screening machine 27 is connected with Wen's feeder 22 through air conveying line.Wen's feeder 22 is adjustable Wen's feeder, and this Wen's feeder 22 is connected with the discharging opening of the first efficient cyclone separator 21 bottoms.
The hot-air inlet pipe 7.5 of described horizontal boiling bed 7 bottoms is connected with boiling air heat exchanger 35 through high temperature high efficiency particulate air filter 32; This boiling air heat exchanger 35 is identical with the structure of described spray air heat exchanger 5.
The cold wind blast pipe 8.1 of the bottom of described horizontal boiling cooling bed 8 is connected with a cooled dehumidifier unit 29 through high efficiency particulate air filter 30.
When the pellet aridity of some type of spray drying tower 1 output is inadequate, adopt the further dry described pellets of horizontal boiling bed 7.When the pellet aridity of spray drying tower 1 output is up to standard, see and omit horizontal boiling bed 7, directly adopt described horizontal boiling cooling bed 8 to carry out cooling described pellet.
At the bottom of contiguous described taper tower, the top of 1.3 discharging opening is provided with air draft pipeline 20, and air draft pipeline 20 is connected with the second efficient cyclone separator 14, spraying air-introduced machine 15 successively.The bottom discharge mouth of the first cyclone separator 14 is connected with the feeding mouth of described horizontal boiling bed 7 through a Blowing stopper.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (2)
1. a drying system, comprises Centrafugal spray drying tower, at the bottom of this spray drying tower comprises tower top, tower body and the taper tower that upper-lower seal connects successively; It is characterized in that:
Tower top bottom center is provided with atomizer, is provided with the pressure nozzle for the spray powder that makes progress in this spray drying tower and under described atomizer;
Described tower top is provided with minute vane being connected with hot-air system, and on tower top bottom surface, annular is evenly distributed with a plurality of hot blast shower nozzles that are connected with minute vane, and each hot blast shower nozzle is suitable for the output hot blast tangent with the inwall of barrel-type tower body;
Described hot blast shower nozzle comprises: the conical shell that top is connected with described minute vane, on the bottom nozzle of this conical shell, be evenly distributed with a plurality of parallel wind direction blades, the two ends central authorities of each wind direction blade are provided with rotating shaft, and the outer end of this rotating shaft is rotatably assorted with the shaft seat of being located on the bottom nozzle of described conical shell; The same lateral edges of each wind direction blade and the wind direction of an axial distribution are controlled cable and are fixedly linked, and are provided with the hollow connecting rod being sheathed on described wind direction control cable between adjacent wind direction blade; Wind direction is controlled the two ends of cable and is extended described conical shell and be connected with a pair of wind direction adjusting handle of being located at tower top top respectively, this is a pair of coordinated type handwheel to wind direction adjusting handle, for wind direction described in folding and unfolding respectively control cable and control each described wind direction blade towards, make the hot blast of hot blast shower nozzle output and the inwall of barrel-type tower body tangent;
After each described wind direction blade regulates and puts in place, described a pair of handwheel adopts position-limit mechanism to fix; Described hot blast shower nozzle is provided with volume damper with the body that minute vane is connected, for making the air output of each hot blast shower nozzle identical.
2. drying system according to claim 1, is characterized in that: the both sides that described wind direction is controlled cable are distributed with this wind direction and control the assist with cable that cable is parallel and be fixedly linked with the same lateral edges of each wind direction blade, so that each wind direction blade keeping parallelism; In this assist with cable, be arranged with the hollow connecting rod between adjacent wind direction blade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210113084.0A CN102847486B (en) | 2012-04-17 | 2012-04-17 | Spray granulation fluidized drying system |
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| CN201210113084.0A CN102847486B (en) | 2012-04-17 | 2012-04-17 | Spray granulation fluidized drying system |
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| CN102847486B true CN102847486B (en) | 2014-08-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105276952A (en) * | 2015-10-27 | 2016-01-27 | 平顶山金晶生物科技有限公司 | Drying device for soybean dietary fiber dehydration |
| CN106732173A (en) * | 2017-01-11 | 2017-05-31 | 陆文光 | Anti- molten atomizing granulating and drying machine and its method of work |
| CN108993315A (en) * | 2018-08-07 | 2018-12-14 | 山东理工大学 | A kind of biomass granulating device systems |
| CN109007726A (en) * | 2018-08-30 | 2018-12-18 | 浙江工业大学 | A kind of solid bee honey preparation process and evenly drying equipment |
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|---|---|---|---|---|
| JPH07246325A (en) * | 1994-03-09 | 1995-09-26 | Oogawara Kakoki Kk | Granulation control method in spray drying granulator |
| CN1462850A (en) * | 2003-06-16 | 2003-12-24 | 浙江大学 | Preheating type heat pump water heater using stored heat caused by phase change |
| US6745960B1 (en) * | 1999-06-07 | 2004-06-08 | Freund Industrial Co., Ltd. | Centrifugally rolling granulating device and method of treating powder and granular material using the device |
| CN101432063A (en) * | 2006-05-02 | 2009-05-13 | 尼罗有限公司 | Flocculation apparatus and method for producing flocculated particle |
| CN101721946A (en) * | 2008-10-21 | 2010-06-09 | 中国石油大学(北京) | Novel spray granulation and separation tower with centrifugal separation function |
| CN202538715U (en) * | 2012-04-17 | 2012-11-21 | 常州市宇通干燥设备有限公司 | Fluidized drying unit for spraying granulation |
-
2012
- 2012-04-17 CN CN201210113084.0A patent/CN102847486B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07246325A (en) * | 1994-03-09 | 1995-09-26 | Oogawara Kakoki Kk | Granulation control method in spray drying granulator |
| US6745960B1 (en) * | 1999-06-07 | 2004-06-08 | Freund Industrial Co., Ltd. | Centrifugally rolling granulating device and method of treating powder and granular material using the device |
| CN1462850A (en) * | 2003-06-16 | 2003-12-24 | 浙江大学 | Preheating type heat pump water heater using stored heat caused by phase change |
| CN101432063A (en) * | 2006-05-02 | 2009-05-13 | 尼罗有限公司 | Flocculation apparatus and method for producing flocculated particle |
| CN101721946A (en) * | 2008-10-21 | 2010-06-09 | 中国石油大学(北京) | Novel spray granulation and separation tower with centrifugal separation function |
| CN202538715U (en) * | 2012-04-17 | 2012-11-21 | 常州市宇通干燥设备有限公司 | Fluidized drying unit for spraying granulation |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Zheng Lu Shun Nan Cun, Wujin District of Changzhou City, Jiangsu province 213000 Applicant after: CHANGZHOU YUTONG DRYING EQUIPMENT CO., LTD. Address before: 213116, Changzhou District, Jiangsu City, Wujin Province Jiao Town, Shun Village Applicant before: Changzhou Yutong Drying Equipment Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: YUTONG DRYING EQUIPMENT CO., LTD., CHANGZHOU CITY TO: JIANGSU YUTONG DRYING ENGINEERING CO., LTD. |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Yang Inventor after: Lu Wenguang Inventor before: Lu Wenguang |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LU WENGUANG TO: GAO YANG LU WENGUANG |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 225400 Jiangsu Province, Taixing City Industrial Park Xiangrong Road No. 18 Patentee after: CHANGZHOU YUTONG DRYING EQUIPMENT CO., LTD. Address before: Zheng Lu Shun Nan Cun, Wujin District of Changzhou City, Jiangsu province 213000 Patentee before: CHANGZHOU YUTONG DRYING EQUIPMENT CO., LTD. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Zheng Lu Zhen Shun Nan Cun, Tianning District 213000 Jiangsu city of Changzhou Province Patentee after: CHANGZHOU YUTONG DRYING EQUIPMENT CO., LTD. Address before: 225400 Jiangsu Province, Taixing City Industrial Park Xiangrong Road No. 18 Patentee before: CHANGZHOU YUTONG DRYING EQUIPMENT CO., LTD. |