CN201173662Y - High pressure flash evaporation spray drying device - Google Patents
High pressure flash evaporation spray drying device Download PDFInfo
- Publication number
- CN201173662Y CN201173662Y CNU2008200659362U CN200820065936U CN201173662Y CN 201173662 Y CN201173662 Y CN 201173662Y CN U2008200659362 U CNU2008200659362 U CN U2008200659362U CN 200820065936 U CN200820065936 U CN 200820065936U CN 201173662 Y CN201173662 Y CN 201173662Y
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- heater
- drying
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- surface condenser
- pipeline
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Abstract
A high-pressure flash distillation spray drying device belongs to drying equipment, and mainly comprises a material preheating tank which is connected with a material conveying pump by a connecting pipeline; the material conveying pump is connected with a flash distillation heater; the flash distillation heater is connected with a nozzle by a pipeline; the nozzle is arranged in a drying tower; the upper part opening of the drying tower is connected with an induced draught fan through the connecting pipeline, and the induced draught fan is connected with an eluant gas regeneration system; the eluant gas regeneration system comprises a surface condenser, a heater connected with the surface condenser and a filter connected with the heater; a compressor and an expansion valve are connected between the surface condenser and the heater; the eluant gas regeneration system is connected with a cyclonic material collector which is connected with a material discharge port at the lower part of the drying tower by a pipeline. The drying device has the advantages of low energy consumption and little emission of dust, and can be applied to dry materials with high viscosity such as Chinese traditional medical concrete products.
Description
Technical field
The utility model relates to a kind of spray-drying installation, particularly a kind of spray-drying installation that adopts high pressure flash.
Background technology
Existing spray-drying installation is owing to be to carry out drying from the outside, and the volume of material can dwindle, and is higher with respect to the linear velocity that the expansion drying mode is sprayed, and before the material bone dry, is easy to generate the phenomenon of sticking wall, the yield that influence is dry.Or the volume of increase drying tower, increased the investment of equipment, owing to will strengthen air output, cause energy resource consumption also can increase simultaneously; Existing spray-drying installation is because air draft is directly to enter the particulate that contains solvent vapo(u)r and dry material in atmosphere and the air draft, filter bag is stopped up in dewfall or volatilization easily, general cleaner is difficult to solve, there is not any good solution at present, adopt the dedusting of screen collector and bubble dust collector better, but can be transformed into the pollution of water by atmosphere pollution, difficulty of governance is big; Existing spray-drying installation is because viscosity can't dry can only adopt the method for diluted material to reach the spray atomization effect of requirement too greatly, and making output reduce energy resource consumption also increases accordingly to some extent.
Summary of the invention
The purpose of this utility model will provide a kind of minimizing energy resource consumption exactly, can not produce wall sticking phenomenon, carries out spray-dired high pressure flash spray-drying installation applicable to the big material of viscosity.
The purpose of this utility model is achieved in that a kind of high pressure flash spray-drying installation, material preheating can 1 is connected with material-handling pump 4 by connecting line, it is characterized in that: material-handling pump 4 is connected with flash heater 7, flash heater 7 is connected with nozzle 9 by pipeline, nozzle 9 places in the drying tower 8, drying tower 8 upper openings are connected with air-introduced machine 2 by connecting line, and air-introduced machine 2 is connected with the carrier gas regenerative system; The carrier gas regenerative system comprises surface condenser 11, heater 12 that is connected with surface condenser 11 and the filter 6 that is connected with heater 12, also is provided with compressor 3 and expansion valve 5 between surface condenser 11 and the heater 12; The carrier gas regenerative system is connected with whirlwind collector 10, and whirlwind collector 10 is connected with drying tower 8 bottom discharging openings by pipeline.Filter 6 is the filter of charged auxiliary heating.Nozzle 9 is nozzles of belt switch control and insulation.
High pressure flash spray-drying installation provided by the utility model compared with prior art, has following advantage:
1. because the instantaneous expansion evaporation when pressure reduces suddenly of the solvent in the material, the volume of material expands rapidly: the linear velocity of material temperature and material ejection reduces fast, the distance that material sprays in the process of drying is shorter, can reduce the volume of drying tower, save equipment investment, also can effectively avoid the phenomenon of sticking wall.
2. because damp and hot exchange is just carried out in the material and the carrier gas that are dried, thereby the temperature of drying reduces greatly, and can effectively utilize the energy, energy consumption is about 1/3rd of other spray-drying installations.And the mode that can adopt heat pump is dried and is heated carrier gas, thereby further reduces energy resource consumption, reduces dry cost.
3. because closed cycle institute might produce the place of dust is little negative pressure operation the pollution of atmospheric environment is reduced solvent adsorption or the dissolving that in the air draft of whirlwind collector back micro-dust can quilt be condensed in surface-cooler greatly, can not cause the obstruction of surface condenser.Can effectively recycle, improve the yield of raw material, and not need the cleaner of outfit usually.
4. what adopt is the high-pressure fog mode, and the material that is dried can have higher viscosity to be specially adapted to the difficult dry material such as the product of Chinese medical concrete class.
Description of drawings
Below in conjunction with drawings and Examples the utility model is done a step explanation.
Fig. 1 is a fundamental diagram of the present utility model.
The specific embodiment
The utility model adopts following structure: a kind of high pressure flash spray-drying installation, material preheating can 1 is connected with material-handling pump 4 by connecting line, material-handling pump 4 is connected with flash heater 7, flash heater 7 is connected with nozzle 9 by pipeline, nozzle 9 places in the drying tower 8, drying tower 8 upper openings are connected with air-introduced machine 2 by connecting line, and air-introduced machine 2 is connected with the carrier gas regenerative system; The carrier gas regenerative system comprises surface condenser 11, heater 12 that is connected with surface condenser 11 and the filter 6 that is connected with heater 12, also is provided with compressor 3 and expansion valve 5 between surface condenser 11 and the heater 12; The carrier gas regenerative system is connected with whirlwind collector 10, and whirlwind collector 10 is connected with drying tower 8 bottom discharging openings by pipeline.Filter 6 is the filter of charged auxiliary heating.Nozzle 9 is nozzles of belt switch control and insulation.
Operation principle of the present utility model is as follows:
Contain the material of solvent such as the Chinese Angelica blood replonishing cream of extract moisture content about 40%, carrying out preheating through preheating can 1 delivers to material flash heater 7 by high-pressure material delivery pump 4 again and further heats and carry out accurately temperature control, make solvent be in hypersaturated state, guarantee that the solvent in the material can not vaporize, high pressure nozzle 9 by belt switch and insulation sprays into drying tower 8.Because the unexpected reduction of pressure, the supersaturation material that contains solvent discharges a large amount of solvent vapo(u)rs at flash evapn, and at this moment material is almost dry.Drying tower 8 is sent into the extremely low carrier gas of relative humidity by the carrier gas regenerative system simultaneously, the carrier gas regenerative system is made up of the filter 6 of surface condenser 11, heat exchanger 12, charged auxiliary heating, electric control expansion valve 5, compressor 3 etc., be sprayed into tiny particulate owing to contain the material of solvent, it is doubly a lot of that surface area is increased, the carrier gas that relative humidity is extremely low and almost dry material fully mixes, shearing, convection current, form strong damp and hot exchange, thereby reach quick-drying purpose.The solvent vapo(u)r that contains the material flash distillation generation of solvent is taken away by the extremely low carrier gas of relative humidity.The material that is dried is brought whirlwind collector 10 into by carrier gas and is carried out feed separation, dried material enters the rewinding bucket, the carrier gas that contains solvent vapo(u)r is separated from whirlwind collector 10, enter the carrier gas regenerative system, solvent vapo(u)r in the carrier gas is condensed in surface condenser 12 outside the liquid discharge system, and can recycling.Carrier gas enters heat exchanger 6 absorption heat rising temperature more then, and reduces the relative humidity of carrier gas.Heater by charged auxiliary heating when temperature can not satisfy technological requirement heats to satisfy process conditions, enters drying tower 8 circularly by carrier gas air-introduced machine 2 again and recycles.
The purpose that has the insulation nozzle 9 of switch control is to guarantee material vaporization caking and blocking pipeline and carry out normal switch control in pipeline under unusual situation.
Claims (3)
1, a kind of high pressure flash spray-drying installation, material preheating can (1) is connected with material-handling pump (4) by connecting line, it is characterized in that: material-handling pump (4) is connected with flash heater (7), flash heater (7) is connected with nozzle (9) by pipeline, nozzle (9) places in the drying tower (8), drying tower (8) upper opening is connected with air-introduced machine (2) by connecting line, and air-introduced machine (2) is connected with the carrier gas regenerative system; The carrier gas regenerative system comprises surface condenser (11), heater (12) that is connected with surface condenser (11) and the filter (6) that is connected with heater (12), also is provided with compressor (3) and expansion valve (5) between surface condenser (11) and the heater (12); The carrier gas regenerative system is connected with whirlwind collector (10), and whirlwind collector (10) is connected with drying tower (8) bottom discharging opening by pipeline.
2, high pressure flash spray-drying installation according to claim 1 is characterized in that: filter (6) is the filter of charged auxiliary heating.
3, high pressure flash spray-drying installation according to claim 1 is characterized in that: nozzle (9) is the nozzle of belt switch control and insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200659362U CN201173662Y (en) | 2008-03-07 | 2008-03-07 | High pressure flash evaporation spray drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200659362U CN201173662Y (en) | 2008-03-07 | 2008-03-07 | High pressure flash evaporation spray drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173662Y true CN201173662Y (en) | 2008-12-31 |
Family
ID=40200787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200659362U Expired - Fee Related CN201173662Y (en) | 2008-03-07 | 2008-03-07 | High pressure flash evaporation spray drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173662Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949635A (en) * | 2010-09-26 | 2011-01-19 | 常州力马干燥工程有限公司 | Closed cycle spray drying and solvent recovery system |
| CN102294124A (en) * | 2010-06-23 | 2011-12-28 | 中国科学院工程热物理研究所 | Spray drying method and device based on absorption heat pipe |
| CN103884172A (en) * | 2012-12-19 | 2014-06-25 | 南通富尔生物制品有限公司 | Spray drying tower |
| CN106268198A (en) * | 2016-07-27 | 2017-01-04 | 山东大学 | A kind of desulfurization fume dehumidifying and water reclamation system and method |
-
2008
- 2008-03-07 CN CNU2008200659362U patent/CN201173662Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294124A (en) * | 2010-06-23 | 2011-12-28 | 中国科学院工程热物理研究所 | Spray drying method and device based on absorption heat pipe |
| CN102294124B (en) * | 2010-06-23 | 2013-06-05 | 中国科学院工程热物理研究所 | Spray drying method and device based on absorption heat pipe |
| CN101949635A (en) * | 2010-09-26 | 2011-01-19 | 常州力马干燥工程有限公司 | Closed cycle spray drying and solvent recovery system |
| CN101949635B (en) * | 2010-09-26 | 2012-02-22 | 常州力马干燥工程有限公司 | Closed cycle spray drying and solvent recovery system |
| CN103884172A (en) * | 2012-12-19 | 2014-06-25 | 南通富尔生物制品有限公司 | Spray drying tower |
| CN106268198A (en) * | 2016-07-27 | 2017-01-04 | 山东大学 | A kind of desulfurization fume dehumidifying and water reclamation system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20140307 |