CN105363231B - It can prevent catalyst from gluing the centrifugal spray drying device of wall - Google Patents
It can prevent catalyst from gluing the centrifugal spray drying device of wall Download PDFInfo
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- CN105363231B CN105363231B CN201510842151.6A CN201510842151A CN105363231B CN 105363231 B CN105363231 B CN 105363231B CN 201510842151 A CN201510842151 A CN 201510842151A CN 105363231 B CN105363231 B CN 105363231B
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- 239000003054 catalyst Substances 0.000 title claims abstract description 27
- 238000004026 adhesive bonding Methods 0.000 title claims abstract description 10
- 238000001694 spray drying Methods 0.000 title claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 92
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 20
- 238000000889 atomisation Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 10
- 230000002209 hydrophobic effect Effects 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009690 centrifugal atomisation Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
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- 241001640558 Cotoneaster horizontalis Species 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
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- 239000002912 waste gas Substances 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention relates to a kind of centrifugal spray drying device for preventing catalyst from gluing wall, including centrifugal drying tower, feeding device, heater, cool down blanking device, dedusting emptier and intelligent control box, spiral case hot-air distributor and frequency conversion centrifugal atomizer are provided with the middle part of the tower top of drying tower, heater connects the air inlet of spiral case hot-air distributor by hot air duct, cool down the bottom that blanking device is arranged on drying tower, cloth envelop collector room is provided with the tower internal upper part side wall of drying tower, the bottom of cloth envelop collector room is open, the outside of drying tower is provided with a cooling sandwith layer, intelligent control box connects frequency conversion centrifugal atomizer by wire, dehvery pump, heater, cool down blanking device, exhaust fan, air-introduced machine and electric butterfly valve, the running parameter of whole drying device is accurately controlled.The device rate of drying is fast, stabilization simple to operate, and material wall sticking phenomenon hardly occurs, and effectively increases the quality of catalyst drying and the continuity of drying process.
Description
Technical field
The present invention relates to catalyst preparation technical field, and in particular to a kind of catalyst is dry and the spray drying of granulation fills
Put, more particularly to a kind of centrifugal spray drying that can effectively prevent catalyst feed from wall sticking phenomenon occurring in drying tower dress
Put.
Background technology
Catalyst has irreplaceable status in modern chemical industry, there are about 80% chemical reaction and catalyst
In the presence of relevant.Existing catalyst is mostly nanoscale or micron-sized granular powder, Presence of an interface tension force between particle and solution,
Particle aggregation is easily produced, therefore during solution reaction prepares catalyst powder, drying is extremely critical process.Spray
It is that a kind of most common dry technology for liquid being dried to powder-product, its operation principle are in chemical engineering industry that mist, which is dried,：With
Material is sprayed into droplet dispersion in hot-air by the method for spraying, and material and hot-air are mutual in a manner of cocurrent, adverse current or mixed flow
It is in contact, moisture is evaporated rapidly, reaches dry purpose.Using this drying means, concentration, filtering can be saved, crushed
Operated Deng unit, and drying time short (general drying time is 5~30s), the active ingredient to dried material destroy less.But
Be existing catalyst drying device during being spray-dried, often occur by dry material adhering to drying tower
Phenomenon on inwall, because viscous wall material is relatively difficult to be taken out of drying tower in time, so as to cause adhesion material to burn or the shadow that goes bad
Ring the quality of catalyst powder；In order to improve the quality of product, the viscous wall material in drying tower is removed, it has to which midway stops dry
It is dry, operation cycle length is in turn resulted in, production efficiency is low, continuous operation is difficult.
The content of the invention
The present invention is exactly for technical problem present in prior art, there is provided a kind of centrifugation for preventing catalyst from gluing wall
Spray-drying installation, the device overall construction design is ingenious, and automaticity is high, can effectively avoid dry catalyst in drying tower
The interior phenomenon that viscous wall occurs, improve the quality of finished catalyst.
To achieve these goals, the technical solution adopted by the present invention is a kind of centrifugation for preventing catalyst from gluing wall spray
Mist drying device, including the centrifugal drying tower of vertical upper cylinder and lower circular cone composite construction, feeding device, heater, cooling
Blanking device, dedusting emptier and intelligent control box, be provided with the middle part of the tower top of drying tower spiral case hot-air distributor and frequency conversion from
Heart atomizer, the upper wind deflector of the spiral case hot-air distributor and lower wind deflector are arranged in cone, the upper wind deflector with
The angle of cone axis is 25~30 °, and the angle of lower wind deflector and cone axis is 0 °, and the quantity of upper wind deflector is lower wind-guiding
Twice of plate quantity, so enabling to hot blast to enter in drying tower can be uniformly distributed and ensure that hot blast rotates, from
And extend hot blast and the time of contact being atomized between feed liquid, promote hot blast and the heat and mass being atomized between feed liquid complete in Best Times
Into, effectively avoid wet stock glue wall phenomenon occur.The nozzle of the frequency conversion centrifugal atomizer passes through spiral case hot-air distributor
Cone is extended to inside drying tower；The length that the cone of the spiral case hot-air distributor is stretched into drying tower is 100~200mm,
The length that the nozzle of the frequency conversion centrifugal atomizer is stretched into drying tower is 200~250mm, can so prevent that being atomized feed liquid exists
Dry column overhead because too high hot blast temperature cause it is over-drying form coke powder.
The front end of the heater is provided with air cleaner, and air passes through air-supply after air cleaner filtering
Machine is delivered to and forms hot blast in electric heater after heating, and helically state enters drying to hot blast after the distribution of spiral case hot-air distributor
In tower and the atomization feed liquid with being sprayed from the nozzle of frequency conversion centrifugal atomizer carries out hot exchanging with matter.The covering radius of hot blast
Larger and distribution is more uniform, can substantially effectively be combined with atomization feed liquid, rapidly be evaporated the moisture being atomized in feed liquid.It is described
The air inlet of spiral case hot-air distributor is provided with EAT sensor, and leaving air temp is provided with the air outlet of spiral case hot-air distributor
Sensor, the electric heater are provided with temperature controller, EAT sensor, leaving air temp sensor and temperature controller
It is connected by wire with intelligent control box, and then accomplishes the drying temperature in accurate control drying tower, is improved catalyst and dry
Effect.The material-storage jar of the feeding device is connected to the charging aperture of frequency conversion centrifugal atomizer by dehvery pump, dehvery pump with
Feeding pipe between frequency conversion centrifugal atomizer is provided with filter, for the crude fibre in filter material and bulky grain debris,
To prevent the distributing device of feed blocking frequency conversion centrifugal atomizer and atomizing disk passage, so that material shape leaves mist into droplet
The moment for changing disk just forms uniform atomization feed liquid, improves catalyst powder or granulation uniformity.The heater passes through heat
Wind pipeline connects the air inlet of spiral case hot-air distributor, and the cooling blanking device is arranged on the bottom of drying tower and gone out with drying tower
Material mouth connects, and the dedusting emptier includes the dust removing purifier and exhaust fan being connected, the dust removing purifier connection
The evacuation port of drying tower；Cloth envelop collector room is provided with the tower internal upper part side wall of drying tower, drying tower evacuation port is opened in cloth bag
In the side wall of filter chamber, the bottom of cloth envelop collector room is open, and multiple dismountable cloth bags are provided with cloth envelop collector room
Filter；The outside of the drying tower is provided with a cooling sandwith layer, and open up on the cooling sandwith layer at tower top one it is cold
Wind air-vent, the cold wind air-vent connects air-introduced machine by cold air duct, and electric butterfly valve is provided with cold air duct；The intelligence
Energy control cabinet passes through wire and connects frequency conversion centrifugal atomizer, dehvery pump, heater, cooling blanking device, exhaust fan, air-introduced machine
And electric butterfly valve, the running parameter of whole drying device is accurately controlled.The ingenious practicality of the whole Technical Design,
Control and manage convenient for production, can effectively avoid material from gluing the phenomenon of wall, catalyst powder purity after drying is high, quality
It is good.
Wherein, the dehvery pump uses membrane pump, and ball face sealing, sealing are used between the valve seat and valve ball of the membrane pump
Can be good, and the uniformity into material in frequency conversion centrifugal atomizer has been effectively ensured, it is continuous so as to improve charging rate and charging
Property.
The dry inner wall of tower and the inside and outside wall of cloth envelop collector room are provided with a floor hydrophobic layer, the contact of hydrophobic layer
Angle is more than 90 °；The material selection polytetrafluoroethylene (PTFE) of the hydrophobic layer is made, drying temperature is 0~250 in its tolerable tower
℃。
The frequency conversion centrifugal atomizer uses associated mode high speed centrifugal atomization device, and the nozzle of the frequency conversion centrifugal atomizer is adopted
It is made of thyrite, due to the material with high temperature resistant, to acid-alkali salt with good corrosion resistance and well
Chemical stability the advantages that so that nozzle operation have in drying tower environment relatively low wear rate and it is good chemically
Can, so as to improve the service life of frequency conversion centrifugal atomizer, the uniformity coefficient of atomization feed liquid has also been effectively ensured.And it is atomized
Variable-frequency motor on device is directly connected to by shaft coupling and the rotary shaft on atomizing disk top, so as to effectively avoid atomizing disk from revolving
The phenomenon to be deflected during turning, so as to ensure that the nozzle of atomizing disk bottom does not shift, is effectively avoided because of nozzle
Tilt and caused local material wall sticking phenomenon.And shaft coupling is fixedly mounted on atomizing disk top, atomizing disk by bearing block
Substantially influence not vibrated in rotary shaft rotation process, the phenomenon that material glues wall is further avoided the occurrence of.
Relative to prior art, advantages of the present invention is as follows, 1) overall construction design of this drying device is ingenious, dismounting group
Convenient maintenance and replacement is filled, cost is relatively low and rate of drying is fast, and feed liquid surface area after atomization greatly increases, the wink in hot-air flow
Between can evaporate 95% to 99% moisture content, completing the dry time only needs more than ten seconds to arrive several tens of seconds, is catalyzed through drying gained
Epigranular, good fluidity, the dissolubility of agent powder be good and product purity is high, quality is good；2) stabilization simple to operate of the device,
Drying temperature, feed rate, discharge velocity, intake air temperature, air outlet temperature only need to be pre-set in intelligent control box
Deng the Drying Technology Parameter of correlation, whole device enters the state automatically continuously to work after start, and whole drying process is by intelligence
Control cabinet carries out full-automatic centralized Control, and control and management are convenient, effectively reduce the labor intensity of operating personnel；3) centrifuging
Cloth envelop collector room is set in drying tower, effectively prevent the rewinding dust arrester being arranged in the past outside drying tower to drying tower
The influence of interior dry gas stream, so that it is guaranteed that atomization feed liquid dries abundant degree in tower, and material wall sticking phenomenon is avoided to occur；Together
When cloth envelop collector room in set the recyclable attritive powder being entrained by the flow of air of cloth envelop collector, and reclaim after powder due to
The powder that the effect of self gravitation falls to the cone bottom discharge mouth of drying tower and fallen after drying again is discharged outside tower together,
Waste gas by exhaust fan after evacuation port removing dust clarifier dust separation by being discharged into air；4) as a result of air-supply uniformity
The good frequency conversion centrifugal atomizer of good spiral case hot-air distributor and atomizing effect, in addition on drying tower inner wall of tower liner contact
The setting of cooling sandwith layer on hydrophobic layer and outer wall of the angle more than 90 °, when carrying out catalyst drying process using this drying device
Material wall sticking phenomenon hardly occurs, effectively increases the quality of catalyst drying and the continuity of drying process, significantly
The economic benefit of enterprise is added while improving drying efficiency.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural representation of spiral case hot-air distributor of the present invention.
Fig. 3 is the structural representation of frequency conversion centrifugal atomizer of the present invention.
In figure：1- centrifugal drying towers, 2- frequency conversion centrifugal atomizers, 3- spiral case hot-air distributors, 4- material-storage jars, 5- conveyings
Pump, 6- filters, 7- cooling blanking devices, 8- pressure fan, 9- air cleaners, 10- electric heaters, 11- cloth envelop collectors room,
12- cloth envelop collectors, 13- dust removing purifiers, 14- exhaust fans, 15- intelligent control box, 16- air-introduced machines, 17- electric butterfly valves,
18- air inlets, the upper wind deflectors of 19-, 20- cones, wind deflector under 21-, 22- conical shells, 23- air outlets, 24- variable-frequency motors, 25- connection
Axle device, 26- bearing blocks, 27- rotary shafts, 28- atomizing disks, 29- cooling sandwith layers.
Embodiment
In order to deepen the understanding of the present invention and understanding, the invention will be further described below in conjunction with the accompanying drawings and introduces.
Embodiment 1：Such as Fig. 1-Fig. 3, a kind of centrifugal spray drying device for preventing catalyst from gluing wall, including it is vertical on
The centrifugal drying tower 1 of cylinder and lower circular cone composite construction, feeding device, heater, cooling blanking device 7, dedusting emptier
With intelligent control box 15, spiral case hot-air distributor 3 and frequency conversion centrifugal atomizer 2, the snail are provided with the middle part of the tower top of drying tower 1
The upper wind deflector 19 of shell hot-air distributor 3 and lower wind deflector 21 are arranged in cone 20, the upper wind deflector 19 and cone 20
The angle of axis is 25~30 °, and the angle of lower wind deflector 21 and the axis of cone 20 is 0 °, and the quantity of upper wind deflector 19 be under lead
Twice of the quantity of aerofoil 21, so enabling to hot blast to enter in drying tower 1 can be uniformly distributed and ensure that hot blast does rotation fortune
It is dynamic, so as to the time of contact for extending hot blast and being atomized between feed liquid, promote hot blast and the heat and mass being atomized between feed liquid when optimal
Interior completion, effectively avoid wet stock from gluing the phenomenon of wall and occur.The nozzle of the frequency conversion centrifugal atomizer 2 divides through spiral case hot blast
The cone 20 of orchestration 3 is extended to inside drying tower 1；The material-storage jar 4 of the feeding device is connected to frequency conversion by dehvery pump 5 and centrifuged
The charging aperture of atomizer 2, the heater connects the air inlet 18 of spiral case hot-air distributor 3 by hot air duct, described cold
But blanking device 7 is arranged on the bottom of drying tower 1 and connected with the discharging opening of drying tower 1, and the dedusting emptier includes being connected
Dust removing purifier 13 and exhaust fan 14, the dust removing purifier 13 connects the evacuation port of drying tower 1；The heater
Front end is provided with air cleaner 9, and air is delivered in electric heater 10 after the air cleaner 9 filtering by pressure fan 8
Form hot blast after heating, hot blast after the distribution of spiral case hot-air distributor 3 helically state enter in drying tower 1 and with from frequency conversion
The atomization feed liquid progress heat sprayed in the nozzle of centrifugal atomizer 2 exchanges with matter.The covering radius of hot blast it is larger and distribution compared with
To be uniform, it can substantially effectively be combined with atomization feed liquid, be rapidly evaporated the moisture being atomized in feed liquid.The spiral case hot blast distribution
The air inlet 18 of device 3 is provided with EAT sensor, is sensed in the air outlet 23 of spiral case hot-air distributor 3 provided with leaving air temp
Device, the electric heater 10 are provided with temperature controller, and EAT sensor, leaving air temp sensor and temperature controller are equal
It is connected by wire with intelligent control box 15, and then accomplishes the drying temperature in accurate control drying tower 1, is improved catalyst and dry
Effect.Cloth envelop collector room 11 is provided with the tower internal upper part side wall of drying tower 1, the evacuation port of drying tower 1 is opened in Bag filter
In the side wall of device room 11, the bottom of cloth envelop collector room 11 is open, and multiple dismountable cloth are provided with cloth envelop collector room 11
Bag type filter 12；The outside of the drying tower 1 is provided with a cooling sandwith layer 29, and is opened on the cooling sandwith layer 29 at tower top
If a cold wind air-vent, the cold wind air-vent connects air-introduced machine 16 by cold air duct, and provided with electronic on cold air duct
Butterfly valve 17；The intelligent control box 15 connects frequency conversion centrifugal atomizer 2, dehvery pump 5, heater, cooling blanking by wire
Device 7, exhaust fan 14, air-introduced machine 16 and electric butterfly valve 17, the running parameter of whole drying device is accurately controlled.It is described
The whole ingenious practicality of Technical Design, controls and manages convenient for production, can effectively avoid material from gluing the phenomenon of wall, through drying
Catalyst powder purity afterwards is high, quality better.
Filter 6 is provided with feeding pipe between dehvery pump 5 and frequency conversion centrifugal atomizer 2, in filter material
Crude fibre and bulky grain debris, to prevent the distributing device of feed blocking frequency conversion centrifugal atomizer 2 and the passage of atomizing disk 28, so as to
So that material shape into droplet and moment for leaving atomizing disk 28 just forms uniform atomization feed liquid, improve catalyst powder or particle
The uniformity.
The dehvery pump 5 uses membrane pump, and ball face sealing, sealing property are used between the valve seat and valve ball of the membrane pump
It is good, and the uniformity into material in frequency conversion centrifugal atomizer 2 has been effectively ensured, it is continuous so as to improve charging rate and charging
Property.
The length that the cone 20 of the spiral case hot-air distributor 3 is stretched into drying tower 1 is 100~200mm, the frequency conversion from
The length that the nozzle of heart atomizer 2 is stretched into drying tower 1 is 200~250mm, can so prevent from being atomized feed liquid in drying tower 1
Tower top because too high hot blast temperature cause it is over-drying form coke powder.
The inwall of drying tower 1 and the inside and outside wall of cloth envelop collector room 11 are provided with a floor hydrophobic layer, described in making
The material selection polytetrafluoroethylene (PTFE) of hydrophobic layer, drying temperature is 0~250 DEG C in its tolerable tower.
The frequency conversion centrifugal atomizer 2 uses associated mode high speed centrifugal atomization device, and the variable-frequency motor 24 on atomizer passes through
Shaft coupling 25 and the rotary shaft 27 on the top of atomizing disk 28 are directly connected to, so as to effectively avoid atomizing disk 28 from being sent out in rotary course
The phenomenon of raw deflection, so as to ensure that the nozzle of the bottom of atomizing disk 28 does not shift, effectively avoids producing because of nozzle inclination
Raw local material wall sticking phenomenon.And shaft coupling 25 is fixedly mounted on the top of atomizing disk 28, atomizing disk 28 by bearing block 26
Substantially not vibrated influence in the rotation process of rotary shaft 27, the phenomenon that material glues wall is further avoided the occurrence of.
The nozzle of the frequency conversion centrifugal atomizer 2 is made of thyrite, due to the material have high temperature resistant,
There is good corrosion resistance and good chemical stability to acid-alkali salt so that nozzle operation is in the ring of drying tower 1
There is relatively low wear rate and good chemical property in border, so as to improve the service life of frequency conversion centrifugal atomizer 2, also have
Effect ensure that the uniformity coefficient of atomization feed liquid.
It should be noted that above-described embodiment, is not used for limiting protection scope of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or replacement each fall within the scope that the claims in the present invention are protected.
Claims (1)
- A kind of 1. centrifugal spray drying device for preventing catalyst from gluing wall, it is characterised in that：Including vertical upper cylinder and lower circle Centrifugal drying tower, feeding device, heater, cooling blanking device, dedusting emptier and the intelligent control box of composite construction are bored, Spiral case hot-air distributor and frequency conversion centrifugal atomizer are provided with the middle part of the tower top of drying tower, is led on the spiral case hot-air distributor Aerofoil and lower wind deflector are arranged in the cone of spiral case hot-air distributor, and the angle of the upper wind deflector and cone axis is 25 ~30 °, the angle of lower wind deflector and cone axis is 0 °, and the quantity of upper wind deflector is twice of lower wind deflector quantity, described The cone of the nozzle of frequency conversion centrifugal atomizer through spiral case hot-air distributor is extended to inside drying tower；The spiral case hot blast distribution The length that the cone of device is stretched into drying tower is 100~200mm, and the nozzle of the frequency conversion centrifugal atomizer is stretched into drying tower Length is 200~250mm, and the material-storage jar of the feeding device is connected to the charging aperture of frequency conversion centrifugal atomizer by dehvery pump, And filter is provided with the feeding pipe between dehvery pump and frequency conversion centrifugal atomizer, the dehvery pump uses membrane pump, should Ball face sealing is used between the valve seat and valve ball of membrane pump, the heater connects spiral case hot-air distributor by hot air duct Air inlet, the cooling blanking device is arranged on the bottom of drying tower and connects with drying tower discharging opening, dedusting emptying dress Put dust removing purifier and exhaust fan including being connected, the evacuation port of the dust removing purifier connection drying tower；The heating The front end of device is provided with air cleaner, and air is delivered in electric heater after air cleaner filtering by pressure fan Form hot blast after heating, hot blast after the distribution of spiral case hot-air distributor helically state enter in drying tower and with from frequency conversion from The atomization feed liquid progress heat sprayed in the nozzle of heart atomizer exchanges with matter；The frequency conversion centrifugal atomizer is high using associated mode Fast centrifugal atomizer, the nozzle of frequency conversion centrifugal atomizer are made of thyrite, and the variable-frequency motor on atomizer leads to Cross shaft coupling and the rotary shaft on atomizing disk top is directly connected to, and shaft coupling is fixedly mounted on atomizing disk by bearing block Portion；The air inlet of the spiral case hot-air distributor is provided with EAT sensor, is provided with the air outlet of spiral case hot-air distributor Leaving air temp sensor, the electric heater are provided with temperature controller, EAT sensor, leaving air temp sensor and temperature Degree controller is connected by wire with intelligent control box；Cloth envelop collector room is provided with the tower internal upper part side wall of drying tower, is done Dry tower evacuation port is opened in the side wall of cloth envelop collector room, and the bottom of cloth envelop collector room is open, in cloth envelop collector room Provided with multiple dismountable cloth envelop collectors；One is equipped with the dry inner wall of tower and the inside and outside wall of cloth envelop collector room Layer hydrophobic layer, and the hydrophobic layer is made from polytetrafluoroethylmaterial material, the contact angle of hydrophobic layer is more than 90 °；The drying tower Outside be provided with a cooling sandwith layer, and a cold wind air-vent is opened up on the cooling sandwith layer at tower top, the cold wind draws Air port connects air-introduced machine by cold air duct, and electric butterfly valve is provided with cold air duct；The intelligent control box passes through wire Frequency conversion centrifugal atomizer, dehvery pump, heater, cooling blanking device, exhaust fan, air-introduced machine and electric butterfly valve are connected, to whole The running parameter of individual drying device is accurately controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510842151.6A CN105363231B (en) | 2015-11-28 | 2015-11-28 | It can prevent catalyst from gluing the centrifugal spray drying device of wall |
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| CN201510842151.6A CN105363231B (en) | 2015-11-28 | 2015-11-28 | It can prevent catalyst from gluing the centrifugal spray drying device of wall |
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| CN105363231A CN105363231A (en) | 2016-03-02 |
| CN105363231B true CN105363231B (en) | 2018-04-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106766818B (en) * | 2017-01-10 | 2023-06-16 | 楚雄医药高等专科学校 | Energy-saving efficient airflow dryer for Yi medicine extracts and drying method thereof |
| CN106732173A (en) * | 2017-01-11 | 2017-05-31 | 陆文光 | Anti- molten atomizing granulating and drying machine and its method of work |
| CN108096863A (en) * | 2017-12-28 | 2018-06-01 | 无锡市桑莱特干燥设备有限公司 | A kind of spray dryer using magnetic suspension atomizer |
| CN110812866A (en) * | 2019-11-14 | 2020-02-21 | 佛山市和利环保科技有限公司 | Spray drier |
| CN112619190B (en) * | 2020-12-09 | 2022-04-19 | 加沃农(江苏)农业科技有限公司 | Spray drying equipment for fertilizer production and fertilizer production method |
| CN114504834B (en) * | 2022-02-24 | 2023-03-07 | 华夏生生药业(北京)有限公司 | Calcium gluconate solution purification equipment and process thereof |
| CN114768277B (en) * | 2022-04-29 | 2023-09-05 | 湖南东健药业有限公司 | Spray drying system for traditional Chinese medicine preparation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096537A (en) * | 1990-06-28 | 1992-03-17 | Henningsen Foods, Inc. | Tower spray dryer with hot and cool air supply |
| CN200982804Y (en) * | 2006-12-25 | 2007-11-28 | 四川省德阳市生化制品有限公司 | Forced cooling spraying drying device |
| CN201906472U (en) * | 2010-12-22 | 2011-07-27 | 山东省鲁洲食品集团有限公司 | Spray drying device for sugar alcohol materials |
| CN202015505U (en) * | 2011-03-21 | 2011-10-26 | 浙江盛汇化工有限公司 | Reverse blowing spray drying system |
| CN203494185U (en) * | 2013-09-11 | 2014-03-26 | 青州隆贝生物科技有限公司 | Centrifugal spray dryer |
| CN203724791U (en) * | 2013-12-13 | 2014-07-23 | 无锡市富超喷雾干燥机械有限公司 | Multi-stage spray dryer with internal cloth bag |
| CN104399263B (en) * | 2014-11-29 | 2016-07-20 | 南京威安新材料科技有限公司 | A kind of solid catalyst atomization drying system being easy to clean |
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