CN201569250U - Novel energy-saving silica-gel dryer - Google Patents
Novel energy-saving silica-gel dryer Download PDFInfo
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- CN201569250U CN201569250U CN 200920297978 CN200920297978U CN201569250U CN 201569250 U CN201569250 U CN 201569250U CN 200920297978 CN200920297978 CN 200920297978 CN 200920297978 U CN200920297978 U CN 200920297978U CN 201569250 U CN201569250 U CN 201569250U
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Abstract
The utility model relates to a novel energy-saving silica-gel dryer which can dry silica-gel fast and efficiently and can improve the thermal efficiency of drying from 35% at the present to about 50%. The dryer comprises at least one superheat steam drying unit and at least one hot air drying unit. After going through raising-speed drying and constant-speed drying through the superheat steam drying unit, materials are sent into the hot air drying unit, and the materials needs can be obtained after the drying of the hot air drying unit. The utility model adopts the technology of superheat steam-hot air combined multi-stage silica-gel drying. The first three stages adopt superheat steam drying, the first stage is mainly for completing the raising-speed drying; and the second and the third are respectively used for completing the constant-speed drying at corresponding temperatures. The silica-gel drying rate is high, the possibility of breaking and cracking is little, the excellent porous structural characteristics can be maintained, the drying quality is high, and the fourth stage of hot air drying can keep at higher drying rate. The superheat steam-hot air combined multi-stage silica-gel drying technology has good silica-gel drying quality and high rate, and the energy-saving and emission reduction effects of a closed drying circulation system are remarkable.
Description
Technical field
The utility model relates to a kind of novel silica gel energy-saving drying device.
Background technology
Silica gel is by silicic acid gel mSiO
2NH
2The porous mass that varies in size that O suitably dewaters and forms, water-containing column generally adopts three kinds of method dryings: tunnel drying, spray-drying or supercritical fluid drying.For spherical silica gel, manufacturer generally adopts hot blast (130 ~ 150 ℃) to carry out tunnel drying, and heated-air drying silica gel is easily dry and cracked, and the loose structure of silica gel is damaged, and drying quality is low, has serious quality problems.In addition, dried tail gas directly enters atmosphere, and energy consumption is big and cause certain pollution.
The utility model content
The purpose of this utility model provides a kind of novel silica gel energy-saving drying device exactly for addressing the above problem, and it is dry silica gel quickly and efficiently, and dry heat efficient is brought up to about 50% by present 35%.
For achieving the above object, the utility model adopts following technical scheme:
A kind of novel silica gel energy-saving drying device, it comprises at least one superheat steam drying unit and at least one heated-air drying unit, material is sent into the heated-air drying unit after finishing raising speed drying and constant rate of drying by the superheat steam drying unit, obtains required material after the heated-air drying unit drying.
Described superheated steam unit has three, and they connect to form three grades of superheat steam drying sections successively.
Described superheated steam unit comprises fluidized bed dryer, and steam inlet tube is connected with fluidized bed dryer by steam heater, and the tail gas of fluidized bed dryer divides two-way, and one the tunnel passes through filter behind cyclone separator, send into steam heater by blower fan then; The heat exchanger in the heated-air drying unit is then sent on another road; The charging aperture and the discharging opening of each fluidized bed dryer are end to end.
Described steam inlet tube is provided with the temperature autocontrol valve.
Be provided with pressure controller between described fluidized bed dryer two-way tail gas.
Described heated-air drying unit comprises fluidized bed dryer, is connected with heat exchanger from the tail gas of superheat steam drying unit and new wind, and new wind heating is wherein afterwards passed through filter, blower fan is connected with steam heater, and steam heater is connected with steam inlet tube.
Drying process of the present utility model, it adopts superheated steam---the method for hot air combined multilevel drying silica gel, and promptly first three level adopts superheat steam drying, and the fourth stage adopts heated-air drying, and detailed process is:
1) in first order dry run, superheated steam is sent into steam heater through blower fan, and heat temperature raising to 180 is ℃ laggard goes into fluidisation bed dryer dry silica gel, finishes the raising speed drying stage; Cyclone separator leaches the feed separation that superheated steam carries, and enters blower fan through filter and finishes a circulation;
2) silica gel after the end of raising speed dry run, is transferred to second and third grade drying system successively in first order drying system; The same first order of second and third grade drying cycles process, superheated steam is respectively 140 ℃ and 160 ℃ through heated temperatures, and silica gel constant rate of drying process is transferred to fourth stage dry run after finishing;
3) in the fourth stage hot-air drying process, the allowance steam of first three grade by heat exchanger to new wind preheating, emptying after new wind enters the drier dry silica gel and finishes by blower fan after the preheating after steam heater is heated to 150 ℃.
Described first three grade drying cycles is provided with pressure controller, and the moisture evaporation loop pressure of silica gel increases to setting value back opening pressure controller and gets rid of the excessive water steam, and allowance steam is sent into fourth stage heated-air drying unit.
The utility model adopts the mode of hierarchical composition dry silica gel, and first three grade adopts the superheat steam drying of specified temp respectively, and the fourth stage adopts heated-air drying.Adopt superheat steam drying silica dehydrator quality better, thermal efficiency height, energy-saving effect significantly and superheated steam have the effect of sterilization; When first three grade superheat steam drying silica gel when constant speed drying section finishes, silica gel is transferred to adopt hot blast to continue in the fourth stage hothouse dry, this moment, the silica gel moisture content was lower, not easy to crack, can guarantee the quality of silica gel and can continue to keep higher rate of drying.Superheated steam-hot air blowing grading combination drying system rate of drying is fast, and silica gel quality height and effects of energy saving and emission reduction are remarkable.
Advantage of the present utility model is, superheated steam-hot air blowing grading combination drying system can ensure the drying quality of silica gel, rate of drying is faster than single heated-air drying speed, and superheat steam drying silica gel has the sterilization effect simultaneously, is applicable to the drier of silica gel as food and medicine.The steam of allowance is in order to the circulating air in the heating fourth stage drying in the steam drying simultaneously, and this process energy consumption is low, and has reduced the pollution to environment.
Description of drawings
Fig. 1 is the process chart that utilizes superheated steam one hot air combined drying system dry silica gel.
Among Fig. 1: 1-fluidized bed dryer, 2-pressure controller, 3-cyclone separator, 4-filter, 5-blower fan, 6-temperature autocontrol valve, 7-steam heater, 8-heat exchanger.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1: it comprises that to three superheat steam drying unit and a heated-air drying unit material is sent into the heated-air drying unit after raising speed drying and constant rate of drying are finished in three superheat steam drying unit, obtain required material after the heated-air drying unit drying.
Each superheated steam unit comprises fluidized bed dryer 1, steam inlet tube is connected with fluidized bed dryer 1 by steam heater 7, the tail gas of fluidized bed dryer 1 divides two-way, and one the tunnel passes through filter 4 behind cyclone separator 3, send into steam heater 7 by blower fan 5 then; The heat exchanger 8 in the heated-air drying unit is then sent on another road; The charging aperture and the discharging opening of each fluidized bed dryer 1 are end to end.On steam inlet tube, be provided with temperature autocontrol valve 6.Be provided with pressure controller 2 between fluidized bed dryer 1 two-way tail gas.
The heated-air drying unit also comprises fluidized bed dryer 1, tail gas and new wind from the superheat steam drying unit are connected with heat exchanger 8, new wind heating back wherein is connected with steam heater 7 by filter 4, blower fan 5, steam heater 7 is connected with steam inlet tube, is provided with temperature autocontrol valve 6 on steam inlet tube.
Technical process of the present utility model is: first three level adopts superheated steam, and the fourth stage adopts hot blast.In first order dry run, superheated steam is sent into steam heater 7 through blower fan 5, steam heater 7 is connected with steam inlet tube, on steam inlet tube, be provided with temperature autocontrol valve 6, superheated steam is heated and is warming up to 180 ℃ and laggardly goes into fluidisation bed dryer 1 dry silica gel, cyclone separator 3 leaches the feed separation that superheated steam carries, and enters blower fan 5 through filter 4 and finishes a circulation.After silica gel raising speed dry run in first order drying system finishes, be transferred to successively second and third, the level Four drying system.The same first order of second and third grade drying cycles process, superheated steam is respectively 140 ℃ and 160 ℃ through heated temperatures, and for second and third grade drying process, the constant rate of drying process of silica gel is transferred to the next stage dry run after finishing.
First three grade drying cycles is provided with pressure controller 2, the moisture evaporation loop pressure of silica gel increases to setting value back opening pressure controller and gets rid of the excessive water steam, the allowance steam new wind of heat exchanger 8 preheatings of flowing through, utilize new wind after blower fan 5 filters preheating and filter 4 to feed steam heater 7 heating and obtain 150 ℃, hot blast enters fluidized bed dryer 1 dry silica gel finish after emptying.
Claims (6)
1. novel silica gel energy-saving drying device, it is characterized in that, it comprises at least one superheat steam drying unit and at least one heated-air drying unit, material is sent into the heated-air drying unit after finishing raising speed drying and constant rate of drying by the superheat steam drying unit, obtains required material after the heated-air drying unit drying.
2. novel silica gel energy-saving drying device as claimed in claim 1 is characterized in that, described superheated steam unit has three, and they connect to form three grades of superheat steam drying sections successively.
3. novel silica gel energy-saving drying device as claimed in claim 1 or 2, it is characterized in that, described superheated steam unit comprises fluidized bed dryer, steam inlet tube is connected with fluidized bed dryer by steam heater, the tail gas of fluidized bed dryer divides two-way, one the tunnel passes through filter behind cyclone separator, send into steam heater by blower fan then; The heat exchanger in the heated-air drying unit is then sent on another road; The charging aperture and the discharging opening of each fluidized bed dryer are end to end.
4. novel silica gel energy-saving drying device as claimed in claim 3 is characterized in that described steam inlet tube is provided with the temperature autocontrol valve.
5. novel silica gel energy-saving drying device as claimed in claim 3 is characterized in that, is provided with pressure controller between described fluidized bed dryer two-way tail gas.
6. novel silica gel energy-saving drying device as claimed in claim 1, it is characterized in that, described heated-air drying unit comprises fluidized bed dryer, tail gas and new wind from the superheat steam drying unit are connected with heat exchanger, new wind heating back wherein is connected with steam heater by filter, blower fan, and steam heater is connected with steam inlet tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920297978 CN201569250U (en) | 2009-12-25 | 2009-12-25 | Novel energy-saving silica-gel dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920297978 CN201569250U (en) | 2009-12-25 | 2009-12-25 | Novel energy-saving silica-gel dryer |
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| Publication Number | Publication Date |
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| CN201569250U true CN201569250U (en) | 2010-09-01 |
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ID=42661540
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920297978 Expired - Lifetime CN201569250U (en) | 2009-12-25 | 2009-12-25 | Novel energy-saving silica-gel dryer |
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| CN (1) | CN201569250U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410705A (en) * | 2011-11-22 | 2012-04-11 | 北京神雾环境能源科技集团股份有限公司 | Multistage continuous overheated steam drying system and method of low-rank coal |
| CN104776686A (en) * | 2015-04-07 | 2015-07-15 | 华中科技大学 | Fluidized bed grading and drying device applicable to high-moisture and large-grain-size low-rank coal |
| CN105546950A (en) * | 2016-02-18 | 2016-05-04 | 唐山市宏林硅胶有限公司 | Continuous drying system for silica gel production |
| CN112369631A (en) * | 2020-11-23 | 2021-02-19 | 宜春职业技术学院 | A circulating drying equipment for domestic fungus |
-
2009
- 2009-12-25 CN CN 200920297978 patent/CN201569250U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410705A (en) * | 2011-11-22 | 2012-04-11 | 北京神雾环境能源科技集团股份有限公司 | Multistage continuous overheated steam drying system and method of low-rank coal |
| CN104776686A (en) * | 2015-04-07 | 2015-07-15 | 华中科技大学 | Fluidized bed grading and drying device applicable to high-moisture and large-grain-size low-rank coal |
| CN105546950A (en) * | 2016-02-18 | 2016-05-04 | 唐山市宏林硅胶有限公司 | Continuous drying system for silica gel production |
| CN105546950B (en) * | 2016-02-18 | 2018-07-10 | 唐山市宏林硅胶有限公司 | For the continuous drying system of silica gel production |
| CN112369631A (en) * | 2020-11-23 | 2021-02-19 | 宜春职业技术学院 | A circulating drying equipment for domestic fungus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG TIANLI DRYING CO., LTD. Free format text: FORMER NAME: TIANLI DRYING EQUIPMENT CO., LTD., SHANDONG |
|
| CP03 | Change of name, title or address |
Address after: 250101, Shandong Province, Ji'nan hi tech Zone, No. 554 Feng Feng Road, environmental science and Technology Park, building 8, Feng Feng building, room 230 Patentee after: Shandong Tianli Drying Co., Ltd. Address before: Three Cun Cai Shi Zhen Xi Cai Shi Licheng District 250103 Shandong city of Ji'nan province No. 403 Patentee before: Tianli Drying Equipment Co., Ltd., Shandong |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |
|
| CX01 | Expiry of patent term |