CN206618245U - A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer - Google Patents
A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer Download PDFInfo
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- CN206618245U CN206618245U CN201720022783.2U CN201720022783U CN206618245U CN 206618245 U CN206618245 U CN 206618245U CN 201720022783 U CN201720022783 U CN 201720022783U CN 206618245 U CN206618245 U CN 206618245U
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Abstract
The utility model discloses a kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer, including air blower, heater, airflow drying tube, feeding device, cyclone separator, air-introduced machine, the pneumatic conveying drying pipe outer wall is provided with cooling jacket, the cooling jacket top is provided with air-cooled air outlet and bottom is provided with air-cooled air inlet, the air outlet passing ratio control valve of the air blower respectively with air-cooled air inlet, the air inlet connection of heater, the air inlet of the heater also connects air-cooled air outlet, the gas outlet of the heater successively with airflow drying tube, cyclone separator, air-introduced machine is connected, the bottom of the cyclone separator is provided with discharge valve, feeding device is located at the air inlet top of airflow drying tube.The utility model has the characteristics of simple and reliable for structure, drying tube is difficult bonding, flow is short, rate of drying is fast, energy consumption is low.
Description
Technical field
The utility model belongs to technical field of chemical, and in particular to one kind has simple and reliable for structure, drying tube not
Easy bonding, Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer that flow is short, rate of drying is fast, energy consumption is low.
Background technology
Pneumatic conveyer dryer is material formation is fluidized state using swiftly flowing air-flow and material is realized in flow process
A kind of dry drying equipment, due to heat transfer coefficient is high, heat transfer area is big, drying time is short the features such as, be widely used in
The chemical industries such as pharmacy, plastics, chemical fertilizer.Pneumatic conveyer dryer hold pureed, granular or bulk wet stock send into thermal current with
Cocurrent formation fluidisation state, the height of materials of fluidisation state is scattered in the gas flow, and heat and exchange of moisture are rapidly carried out between gas,
Moisture fast vaporizing in material, moisture is taken away after gas solid separation by blower fan, and material is collected in aggregate bin after gas solid separation
It is interior.Pneumatic conveying drying is one kind of convective drying, and the drying of wet stock is made up of heat transfer and two processes of mass transfer.Work as wet stock
When being in contact with hot-air, dried medium transfers thermal energy to wet stock surface, and the inside of material is transferred to by surface, and this is one
Individual heat transfer process.At the same time, the moisture in wet stock is diffused into surface of material inside material with liquid or gaseous state, by
Surface of material is diffused into air by air film, and this is a mass transport process.
Drying is the important step in Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract production, directly affects the energy of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract production
Consumption and quality.For thermal sensitivity, volatile Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract, how to retain having for drug extract to the full extent
While imitating composition, it is its difficult point that can fast and efficiently dry again.The drying process of wet stock is considered as a kind of unbound water
The drying of part, that is, undergo the different control stages of " surface vaporization " and " diffusion inside ".
Improve airflow drying tube intake air temperature, it is possible to increase heat transfer temperature difference, be conducive to improving the thermal efficiency and dry tenacity.Cause
This, the drying of wet stock typically uses the thermal current of higher temperature.In existing dry technology, Pneumatic drying device is either straight
The tube wall of tubular type or pulsed is directly exposed to air or outsourcing insulation material, due to the conduction and heat radiation of high temperature gas flow, makes
It is higher into drying process tube wall temperature.Due to the easy viscosity flow of part Yi nationality, distributed over Yunnan, Sichuan and Guizhou drug extract high temperature, in the drying process, Yi nationality, distributed over Yunnan, Sichuan and Guizhou's medicine
The particle of extract directly contacts with the tube wall of airflow drying tube and falls and contacted with high temperature tube wall along tube wall, Yi nationality, distributed over Yunnan, Sichuan and Guizhou's medicine
Extract particles can soften as viscous state, be bonded on tube wall, so as to influence drying effect, and imitate the work of airflow drying tube
Rate is reduced, energy consumption increase.For solve tube wall adhesion the problem of, also have using input be less than extract viscous state temperature air-flow come
Dry, but not only the thermal efficiency is low, and also dry tenacity is small, production capacity is low.
Utility model content
It is short, dry that the purpose of this utility model is that there is offer one kind simple and reliable for structure, drying tube to be difficult bonding, flow
Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer that dry speed is fast, energy consumption is low.
What the purpose of this utility model was realized in：Including air blower, heater, airflow drying tube, feeding device, rotation
Wind separator, air-introduced machine, the pneumatic conveying drying pipe outer wall are provided with cooling jacket, the cooling jacket top be provided with it is air-cooled go out
Air port and bottom are provided with air-cooled air inlet, the air outlet passing ratio control valve of the air blower respectively with air-cooled air inlet,
The air inlet connection of heater, the air inlet of the heater also connects air-cooled air outlet, and the gas outlet of the heater is successively
Connected with airflow drying tube, cyclone separator, air-introduced machine, the bottom of the cyclone separator is provided with discharge valve, the charging
Device is arranged at the air inlet top of airflow drying tube.
The utility model has the advantages that compared with prior art：
1st, cooling jacket is set in pneumatic conveying drying pipe outer wall, tube wall temperature is adjusted by air cooling, temperature-sensitive can be prevented effectively from
Property, Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract of easy viscosity flow stick at tube wall and influence the drying effect of pneumatic conveyer dryer, be conducive to improve air-flow do
The drying efficiency and reduction energy consumption and maintenance cost of dry device.
2nd, blower export air quantity is allocated with proportional control valve, so that the temperature of tube wall is controlled, can be according to need
The hot air temperature into drying tube is adjusted flexibly, reaches that expansion pneumatic conveyer dryer of the present utility model is carried to Yi nationality, distributed over Yunnan, Sichuan and Guizhou's medicine
Take accommodation and the Mass adjust- ment flexibility of thing output.
3rd, the air-flow heated by cooling jacket is fed directly into proportional control valve after the cold airflow of heater mixes again
In heater heating, energy consumption can be effectively reduced.
4th, it is simple in construction compared to water-cooling jacket and reliable using air-cooled cooling jacket, without demineralized water and scale removal
Complex maintenance requirement, use cost is low, maintenance is easy.
5th, for non-heat-sensitive, be difficult Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract of viscosity flow, air blower can be made by adjusting proportional control valve
Air-out is all directly entered heater, and cooling jacket forms hollow or even vacuum state, it is to avoid dries tubular heat and scatters and disappears, that is, carries
The thermal efficiency that height is dried, can improve the flexibility of drier again.
Therefore, the utility model have simple and reliable for structure, drying tube be difficult bonding, flow is short, rate of drying is fast, energy consumption
Low the characteristics of.
Brief description of the drawings
Fig. 1 is one of pneumatic conveyer dryer schematic diagram of the utility model；
Fig. 2 is the two of the pneumatic conveyer dryer schematic diagram of the utility model；
In figure：1- air blowers, 2- heaters, 3- airflow drying tubes, 4- feeding devices, 401- loading hoppers, 5- cyclonic separations
Device, 6- air-introduced machines, 7- cooling jackets, the air-cooled air outlets of 701-, the air-cooled air inlets of 702-, the air-cooled passages of 703-, the control of 8- ratios
Valve, 9- discharge valves, 10- preheaters, 11- cyclone dryers, 12- filters, 13- sack cleaners；
S100- feeds, S200- air inlets, S300- pneumatic conveying dryings, S400- gas solid separations.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples, but not in any way to this practicality
Any changes and modifications that are new to be any limitation as, being made based on the utility model training centre, belong to protection model of the present utility model
Enclose.
As illustrated in fig. 1 and 2, Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer of the utility model include air blower 1,
Heater 2, airflow drying tube 3, feeding device 4, cyclone separator 5, air-introduced machine 6, the outer wall of airflow drying tube 3 are provided with cold
But chuck 7, the top of cooling jacket 7 is provided with air-cooled air outlet 701 and bottom is provided with air-cooled air inlet 702, the drum
Air inlet of the air outlet passing ratio control valve 8 of blower fan 1 respectively with air-cooled air inlet 702, heater 2 is connected, the heating
The air inlet of device 2 also connects air-cooled air outlet 701, the gas outlet of the heater 2 successively with airflow drying tube 3, cyclonic separation
Device 5, air-introduced machine 6 are connected, and the bottom of the cyclone separator 5 is provided with discharge valve 9, and the feeding device 4 is arranged at air-flow and done
The air inlet top of dry pipe 3.
The airflow drying tube 3 is straight pipe type airflow drying tube or impulse pneumatic drying pipe, and the cooling jacket 7 is set
The pipe in the middle part of impulse pneumatic drying pipe is arranged in the middle part and/or bottom of straight pipe type airflow drying tube, or cooling jacket 7
The outer wall of changeover portion in footpath expanding reach and/or total length.
Packed air-cooled passage 703 is set between the outer wall of airflow drying tube 3 and cooling jacket 7.
The air-cooled passage 703 is single channel or multichannel spiral duct.
Preheater 10, entrance and the ratio control of the preheater 10 are provided between the proportional control valve 8 and heater 2
Valve 8 is directly connected and exported and connected with the air inlet of heater 2, the hot wind inlet of the preheater 10 and the air-out of air-introduced machine 6
Mouth connection.
Cyclone dryer 11 or flowing drier are provided between the airflow drying tube 3 and cyclone separator 5.
Sack cleaner 13 or wet scrubber, or cyclonic separation are provided between the cyclone separator 5 and air-introduced machine 6
Device 5 is the cyclone separator composition of two-stage series connection or plural serial stage.
The heater 2 is steam heater or electrical auxiliary heater.
The discharge valve 9 is flapper.
The preheater 10 is heat exchange of heat pipe or finned tube exchanger.
The air inlet of the air blower 1 is provided with filter.
The relative humidity of fresh air in the utility model into air blower 1 is 70 ~ 85%, into airflow drying tube 3
Hot air temperature is 160 ~ 175 DEG C, and the hot and humid gas temperature of airflow drying tube 3 is 75 ~ 85 DEG C.
The inner wall temperature of airflow drying tube 3 of the cooling jacket 7 is not higher than 150 DEG C.
Utility model works principle and the course of work：
The utility model sets cooling jacket by the outer wall in airflow drying tube, and tube wall temperature is adjusted by air cooling,
Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract high temperature can be prevented effectively to stick at tube wall and influence the drying effect of pneumatic conveyer dryer, be conducive to improving air-flow
The drying efficiency and reduction energy consumption and maintenance cost of drier；And cooling jacket heating air-flow again with proportional control valve
It is fed directly into after the mixing of the cold airflow of heater in heater heating, can effectively reduces energy consumption；Passing ratio control valve is come pair
Blower export air quantity is allocated, so as to control the temperature of tube wall, the heat into drying tube can be adjusted flexibly as needed
Air themperature, reaches that expansion the utility model is different with to quality requirement to the accommodation of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract output
Adjust flexibility；It is simple in construction compared to water-cooling jacket and reliable using air-cooled cooling jacket, and without demineralized water and scale removal
Complex maintenance requirement, use cost is low, maintenance is easy.Further, airflow drying tube is straight pipe type airflow drying tube or pulse
Formula airflow drying tube, cooling jacket is arranged at the middle part and/or bottom of straight pipe type airflow drying tube, or cooling jacket is arranged at
The outer wall of changeover portion in caliber expanding reach and/or total length in the middle part of impulse pneumatic drying pipe；Using impulse pneumatic drying pipe,
Drying efficiency is high compared with straight pipe type airflow drier；In addition, cooling jacket be arranged at the middle part of straight pipe type airflow drying tube and/or under
Portion, can control the tube wall temperature upper sector of airflow drying tube, so that being prevented effectively from Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract sticks at tube wall
Meanwhile, the scope of cooling jacket is effectively reduced, the complexity of structure is reduced and mitigates later maintenance difficulty；Cooling jacket is set
The outer wall of changeover portion in caliber expanding reach and/or total length in the middle part of impulse pneumatic drying pipe is placed in, equally Yi nationality is being prevented effectively from
While race's drug extract sticks at tube wall, the advantage of pulsed drying tube can be played again, and can similarly reduce structure
Complexity and mitigation later maintenance difficulty.Packed wind is further set between pneumatic conveying drying pipe outer wall and cooling jacket
Cold passage, air-cooled passage is single channel or multichannel helical duct；While cooling jacket structure is simplified, air-flow can be improved and done
The temperature homogeneity of dry tube wall, not only improves the drying homogeneity of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract in drying tube, and can have
Effect avoids Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract in tube wall local bonding.Preheating is further provided between proportional control valve and heater
Device, the entrance of preheater is directly connected and exported with proportional control valve and connected with the air inlet of heater, and the hot blast of preheater enters
Mouth is connected with the air outlet of air-introduced machine；By drawing the preheated device preheated air of waste gas, later stage heater can be effectively reduced
Energy consumption, the energy consumption for improving whole pneumatic conveyer dryer utilizes level.In summary, the utility model has simple and reliable for structure, dry
The characteristics of dry pipe is difficult bonding, flow is short, rate of drying is fast, energy consumption is low.
Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract wet stock in loading hopper 401 sends into straight pipe type airflow drying tube by screw feeder 4
3；Relative humidity sends into proportional control valve 8 by filter 12 for 80 ~ 85% fresh air through air blower 1, according to pneumatic conveying drying
The temperature of the tube wall measurement of pipe 3, adjusts proportional control valve 8, and the cooling for being arranged at the bottom of straight pipe type airflow drying tube 3 with inflow is pressed from both sides
The Boiler pressure control tube wall temperature of set 7 is not higher than 150 DEG C, and the preheated air for then discharging cooling jacket 7 and proportional control valve 8 are straight
The cold air mixing of releasing is connect, feeding heater 2 is heated to after 165 ~ 170 DEG C entering airflow drying tube 3 from bottom；Into air-flow
Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract wet stock cocurrent that the hot-air of drying tube 3 is sent into feeding device 4, hot-air is taken away Yi nationality, distributed over Yunnan, Sichuan and Guizhou's medicine and carried
The steam for taking thing wet stock to evaporate, dried Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract powder with absorbing and cooling temperature to 75 ~ 80 DEG C damp-heat
Body takes away airflow drying tube 3；The hot and humid gas containing dust that airflow drying tube 3 is discharged are after the gas solid separation of cyclone separator 5, the Yi nationality, distributed over Yunnan, Sichuan and Guizhou
Drug extract powder is discharged by the discharge valve 9 of bottom, the pure air that dusty gas is obtained after sack cleaner dedusting by
Air-introduced machine 6 is outwards discharged.
Claims (7)
1. a kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer, it is characterised in that including air blower（1）, heater（2）、
Airflow drying tube（3）, feeding device（4）, cyclone separator（5）, air-introduced machine（6）, the airflow drying tube（3）Outer wall is provided with
Cooling jacket（7）, the cooling jacket（7）Top is provided with air-cooled air outlet（701）And bottom is provided with air-cooled air inlet
（702）, the air blower（1）Air outlet passing ratio control valve（8）Respectively with air-cooled air inlet（702）, heater（2）'s
Air inlet is connected, the heater（2）Air inlet also connect air-cooled air outlet（701）, the heater（2）Gas outlet according to
Secondary and airflow drying tube（3）, cyclone separator（5）, air-introduced machine（6）Connection, the cyclone separator（5）Bottom be provided with and unload
Expect valve（9）, the feeding device（4）It is arranged at airflow drying tube（3）Air inlet top.
2. Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer according to claim 1, it is characterised in that the air-flow is done
Dry pipe（3）For straight pipe type airflow drying tube or impulse pneumatic drying pipe, the cooling jacket（7）Straight pipe type airflow is arranged to do
The middle part and/or bottom of dry pipe, or cooling jacket（7）Be arranged at caliber expanding reach in the middle part of impulse pneumatic drying pipe and/
Or in total length changeover portion outer wall.
3. Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer according to claim 2, it is characterised in that the air-flow is done
Dry pipe（3）Outer wall and cooling jacket（7）Between Packed air-cooled passage is set（703）.
4. Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer according to claim 3, it is characterised in that described air-cooled logical
Road（703）For single channel or multichannel spiral duct.
5. Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer according to claim 1,2,3 or 4, it is characterised in that described
Proportional control valve（8）With heater（2）Between be provided with preheater（10）, the preheater（10）Entrance and proportional control valve
（8）Directly connect and export and heater（2）Air inlet connection, the preheater（10）Hot wind inlet and air-introduced machine（6）
Air outlet connection.
6. Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer according to claim 5, it is characterised in that the air-flow is done
Dry pipe（3）With cyclone separator（5）Between be provided with cyclone dryer（11）Or flowing drier.
7. Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer according to claim 6, it is characterised in that the whirlwind point
From device（5）With air-introduced machine（6）Between be provided with sack cleaner or wet scrubber, or cyclone separator（5）For two-stage series connection
Or the cyclone separator composition of plural serial stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720022783.2U CN206618245U (en) | 2017-01-10 | 2017-01-10 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720022783.2U CN206618245U (en) | 2017-01-10 | 2017-01-10 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer |
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| Publication Number | Publication Date |
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| CN206618245U true CN206618245U (en) | 2017-11-07 |
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| CN201720022783.2U Active CN206618245U (en) | 2017-01-10 | 2017-01-10 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766818A (en) * | 2017-01-10 | 2017-05-31 | 楚雄医药高等专科学校 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer and its drying means |
| CN107990689A (en) * | 2017-12-22 | 2018-05-04 | 深圳市泽源能源股份有限公司 | Turbulent eddy flow negative pressure drying machine |
| CN109163513A (en) * | 2018-09-17 | 2019-01-08 | 李亿明 | A kind of air-dried room of ceramic packing |
| CN110940166A (en) * | 2019-12-16 | 2020-03-31 | 株洲蓝海包装有限公司 | Raw material drying device is used in production of solid toilet cleaner |
-
2017
- 2017-01-10 CN CN201720022783.2U patent/CN206618245U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766818A (en) * | 2017-01-10 | 2017-05-31 | 楚雄医药高等专科学校 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer and its drying means |
| CN107990689A (en) * | 2017-12-22 | 2018-05-04 | 深圳市泽源能源股份有限公司 | Turbulent eddy flow negative pressure drying machine |
| CN109163513A (en) * | 2018-09-17 | 2019-01-08 | 李亿明 | A kind of air-dried room of ceramic packing |
| CN110940166A (en) * | 2019-12-16 | 2020-03-31 | 株洲蓝海包装有限公司 | Raw material drying device is used in production of solid toilet cleaner |
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