CN102645087B - Drying method of watertight pills - Google Patents
Drying method of watertight pills Download PDFInfo
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- CN102645087B CN102645087B CN201210153327.3A CN201210153327A CN102645087B CN 102645087 B CN102645087 B CN 102645087B CN 201210153327 A CN201210153327 A CN 201210153327A CN 102645087 B CN102645087 B CN 102645087B
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- microwave
- watertight
- fluidized bed
- fluid bed
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Abstract
The invention discloses a drying method of watertight pills. The watertight pills can be dried by using a microwave fluidized bed, the drying temperature can be preferably in the range of 50-80 DEG C, and the wind speed can be preferably in the range of 0-30 m/s. According to the method provided by the invention, the operation is simple, the energy consumption is low, the time consumption is short, the drying temperature is low, and the situation that the surfaces of the watertight pills are burnt can be avoided.
Description
Technical field
The present invention relates to a kind of drying means of watertight ball.
Background technology
At present, the watertight ball in pharmaceutical factory generally adopts oven drying, or microwave drying, and drying means exists following shortcoming: the time is long, and baking temperature is high, causes energy consumption too high; Some drugs there will be local temperature too high simultaneously, causes pill surface to occur phenomenon dry and cracked, that burn.
It is 201220174418.0 that applicant has submitted application number on April 24th, 2012 to State Intellectual Property Office, and denomination of invention is the Chinese utility model patent application of " a kind of for the dry microwave fluidized-bed equipment of solid particle ".This application discloses a kind of for the dry microwave fluidized-bed equipment of solid particle, comprises microwave drier, fluidized bed plant, air-blowing device and real time monitoring apparatus, and described fluidized bed plant is connected with air-blowing device; Fluidized bed plant is located in the cavity of microwave drier, and real time monitoring apparatus is electrically connected with microwave drier and air-blowing device respectively; Described fluidized bed plant comprises fluid bed and gas distribution grid.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide simple to operate, energy consumption is little, and consuming time short, baking temperature is low, can avoid the drying means of the watertight ball that pill surface burns.
Goal of the invention of the present invention is realized by following technical scheme:
A drying means for watertight ball, uses microwave fluid bed to be dried watertight ball first.
In above-mentioned drying means, described baking temperature is preferably 50 DEG C-80 DEG C, and wind speed is preferably 0-30m/s.
In above-mentioned drying means, the diameter of described watertight ball is at 2mm-8mm, and initial water content is 12% ~ 25%.In the time that the water content of watertight ball is 4%-9%, stop being dried, watertight ball is taken off from microwave fluid bed, obtain dried product.
In above-mentioned drying means, as preferably, described microwave fluid bed comprises microwave drier, fluidized bed plant, air-blowing device and real time monitoring apparatus, and described fluidized bed plant is connected with air-blowing device; Fluidized bed plant is located in the cavity of microwave drier, and real time monitoring apparatus is electrically connected with microwave drier and air-blowing device respectively; Described fluidized bed plant comprises fluid bed and gas distribution grid.
Compared with prior art, the present invention has following beneficial effect:
Drying means provided by the invention, simple to operate, energy consumption is little, and consuming time short, baking temperature is low, the phenomenon that can avoid pill surface to burn.
Brief description of the drawings
Fig. 1 is microwave fluidized-bed equipment structural representation of the present invention.
Fig. 2 is the hierarchy in fluid bed of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of for the dry microwave fluidized-bed equipment of solid particle, comprise microwave drier 1, fluidized bed plant 2, air-blowing device 3 and real time monitoring apparatus 4, described fluidized bed plant 2 is connected with air-blowing device 3; Fluidized bed plant 2 is located in the cavity of microwave drier 1, and real time monitoring apparatus 4 is electrically connected with microwave drier 1 and air-blowing device 3 respectively; Described fluidized bed plant 2 comprises fluid bed 21 and gas distribution grid 22.The panel of microwave drier 1 is provided with touch-screen 11.Air-blowing device 3 comprises air blast 31, relief valve 32, valve 33, airspeedometer 34.In fluid bed 21, be provided with some every dish 24.Real time monitoring apparatus 4 comprises camera and computer.The top of microwave drier 1 and side are all equipped with far infrared temperature measurement probe.Described gas distribution grid 22 is provided with 35-42 object micropore.In the cavity of described microwave drier 1, two magnetrons are equipped with in corresponding position, left and right.The microwave power of microwave drier 1 is stepless regulating, and power regulating range is 0 ~ 2000W.All there is the stainless steel orifice plate that area is equal at 23 places of distribution grid up and down of fluid bed 21.
Taking watertight ball as dry object, change microwave power, wind speed, pill quality, control cavity temperature lower than 70
oc investigates the impact of microwave fluid bed on pill rate of drying.
Embodiment 1:
The watertight ball with the good 1000g diameter 2mm of pill mechanism, product moisture content is 20%, baking temperature is controlled at 70 DEG C, put into three layers of the polytetrafluoroethylene (PTFE) of fluid bed 21 every dish (approximately 330 grams every layer), setting microwave power is 400W, control valve standard-sized sheet, now wind speed is 30m/s, first advertise 20min with the hot blast of 60 DEG C, then open microwave fluidized bed drying, be 30min drying time.Through inspection, dry products moisture is 4%.
Embodiment 2:
The watertight ball with the good 1000g diameter 5mm of pill mechanism, product moisture content is 12%, baking temperature is controlled at 80 DEG C, puts into three layers of the polytetrafluoroethylene (PTFE) of fluid bed 21 every dish (approximately 330 grams every layer), and setting microwave power is 600W, control valve standard-sized sheet, now wind speed is 25m/s, first advertises 20min with the hot blast of 70 DEG C, then uses microwave drying 5min, then open microwave fluidized bed drying, be 40min drying time.Through inspection, dry products moisture is 5%.
Embodiment 3:
The watertight ball with the good 800g diameter 6mm of pill mechanism, product moisture content is 22%, baking temperature is controlled at 80 DEG C, put into three layers of the polytetrafluoroethylene (PTFE) of fluid bed 21 every dish (approximately 400 grams every layer), setting microwave power is 800W, control valve standard-sized sheet, now wind speed is 25m/s, first use microwave drying 20min, then open microwave fluidized bed drying, be 30min drying time.Through inspection, dry products moisture is 6%.
Embodiment 4:
The watertight ball with the good 1200g diameter 3mm of pill mechanism, product moisture content is 23%, baking temperature is controlled at 60 DEG C, put into three layers of the polytetrafluoroethylene (PTFE) of fluid bed 21 every dish (approximately 400 grams every layer), setting microwave power is 800W, control valve standard-sized sheet, now wind speed is 30m/s, be 40-75min drying time.Through inspection, dry products moisture is 4.5%.
Embodiment 5:
The watertight ball with the good 900g diameter 6mm of pill mechanism, product moisture content is 22%, baking temperature is controlled at 70 DEG C, put into three layers of the polytetrafluoroethylene (PTFE) of fluid bed 21 every dish (approximately 300 grams every layer), setting microwave power is 1000W, control valve opens 1/2, and now wind speed is 30m/s, and be 50-80min drying time.Through inspection, dry products moisture is 5%.
Embodiment 6:
The watertight ball with the good 1000g diameter 8mm of pill mechanism, product moisture content is 25%, baking temperature is controlled at 50 DEG C, put into three layers of the polytetrafluoroethylene (PTFE) of fluid bed 21 every dish (approximately 330 grams every layer), setting microwave power is 900W, control valve opens 1/2, and now wind speed is 30m/s, and be 50-75min drying time.Through inspection, dry products moisture is 9%.
Claims (1)
1. a drying means for watertight ball, is characterized in that: use microwave fluid bed to be dried watertight ball; In the time that the water content of watertight ball is 4%-9%, stop being dried, watertight ball is taken off from microwave fluid bed, obtain dried product; Described baking temperature is 50 DEG C-80 DEG C, and wind speed is 0-30m/s; The diameter of described watertight ball is at 2mm-8mm, and initial water content is 12% ~ 25%; Described microwave fluid bed comprises microwave drier, fluidized bed plant, air-blowing device and real time monitoring apparatus, and described fluidized bed plant is connected with air-blowing device; Fluidized bed plant is located in the cavity of microwave drier, and real time monitoring apparatus is electrically connected with microwave drier and air-blowing device respectively; Described fluidized bed plant comprises fluid bed and gas distribution grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210153327.3A CN102645087B (en) | 2012-05-17 | 2012-05-17 | Drying method of watertight pills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210153327.3A CN102645087B (en) | 2012-05-17 | 2012-05-17 | Drying method of watertight pills |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102645087A CN102645087A (en) | 2012-08-22 |
| CN102645087B true CN102645087B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210153327.3A Active CN102645087B (en) | 2012-05-17 | 2012-05-17 | Drying method of watertight pills |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528179A (en) * | 1968-10-28 | 1970-09-15 | Cryodry Corp | Microwave fluidized bed dryer |
| CN1732042A (en) * | 2002-12-23 | 2006-02-08 | 奥托昆普技术公司 | Treatment of granular solids in an annular fluidized bed with microwaves |
| CN1846884A (en) * | 2005-04-15 | 2006-10-18 | 亨德里克斯控股公司 | Method for removing mercury from mercury pollution materials |
| CN201434562Y (en) * | 2009-08-28 | 2010-03-31 | 中山大学 | Microwave fluidized-bed equipment used for drying powder |
-
2012
- 2012-05-17 CN CN201210153327.3A patent/CN102645087B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528179A (en) * | 1968-10-28 | 1970-09-15 | Cryodry Corp | Microwave fluidized bed dryer |
| CN1732042A (en) * | 2002-12-23 | 2006-02-08 | 奥托昆普技术公司 | Treatment of granular solids in an annular fluidized bed with microwaves |
| CN1846884A (en) * | 2005-04-15 | 2006-10-18 | 亨德里克斯控股公司 | Method for removing mercury from mercury pollution materials |
| CN201434562Y (en) * | 2009-08-28 | 2010-03-31 | 中山大学 | Microwave fluidized-bed equipment used for drying powder |
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| CN102645087A (en) | 2012-08-22 |
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| C14 | Grant of patent or utility model | ||
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