CN108036632B - Composite multilayer spiral vibration countercurrent dryer - Google Patents
Composite multilayer spiral vibration countercurrent dryer Download PDFInfo
- Publication number
- CN108036632B CN108036632B CN201810026800.9A CN201810026800A CN108036632B CN 108036632 B CN108036632 B CN 108036632B CN 201810026800 A CN201810026800 A CN 201810026800A CN 108036632 B CN108036632 B CN 108036632B
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- Prior art keywords
- drying
- air inlet
- screen plate
- box body
- air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/26—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by reciprocating or oscillating conveyors propelling materials over stationary surfaces; with movement performed by reciprocating or oscillating shelves, sieves, or trays
- F26B17/266—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by reciprocating or oscillating conveyors propelling materials over stationary surfaces; with movement performed by reciprocating or oscillating shelves, sieves, or trays the materials to be dried being moved in a helical, spiral or circular path, e.g. vibrated helix
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a composite multilayer spiral vibration countercurrent dryer which comprises a plurality of drying trays, wherein the drying trays are arranged in a stacked manner to form a drying box body, the drying box body is arranged on a base, a vibrating motor is arranged in the base, the drying trays comprise a box body, a heat insulation layer, a sieve plate, a spiral sheet, a blanking port and a blanking groove, the drying tray on the top layer is provided with a feeding bin and an air outlet, the air outlet is provided with a temperature sensor, the feeding bin is provided with an automatic feeding device, the drying tray on the bottom layer is provided with an air inlet which is connected with an air inlet pipe, the air inlet pipe is internally provided with the temperature sensor, the drying tray on the bottom layer is also provided with an air outlet bin, the air inlet pipe is connected with air inlet equipment, and the air inlet equipment comprises a blower, a heater and an air filter which are sequentially arranged according to the air flow direction. The invention ensures that the materials and hot air flow reversely, has extremely high heat efficiency, improves the drying efficiency, and solves the problems of material accumulation and difficult cleaning.
Description
Technical Field
The invention relates to a compound multilayer spiral vibration countercurrent dryer, which is applicable to the technical field of drying of various pills of traditional Chinese medicines, such as honeyed pills, watered pills, concentrated pills, dripping pills and the like, the technical field of drying of granular materials in the industries of pharmacy, chemical industry, food, feed, plastics and the like, and the technical field of drying of materials in short strips, granules, blocks, spheres and the like.
Background
The vibration drier is mainly suitable for drying block-shaped and granular materials in the industries of chemical industry, pharmacy, food, grains, mineral products and the like. Screw drying equipment used in large scale at present is subject to the problem of hot air transportation, and the temperature is unstable, and hot air is easy to run off. As a result, the energy consumption is high, the thermal efficiency is low, and the environmental pollution is caused. So the disadvantages of high energy consumption, low heat efficiency, high maintenance cost and the like limit the use of the devices.
At present, the spiral drying equipment used in large scale in China is subject to unreasonable structural process and imperfect detail design, and as a result, materials in the drying equipment are easy to accumulate, so that the surface is dried and the inside contains excessive moisture, and the integral drying effect is affected. Meanwhile, the material breakage rate is high, the forming rate of the pill is poor, and the cleaning in the machine are difficult. Therefore, the defects of high material breakage rate, poor drying effect, difficult cleaning and the like limit the use of the equipment.
Therefore, it is very important to solve the problems of high heat efficiency, high temperature control, high material breakage rate, poor drying effect and difficult cleaning and maintenance in the material drying process.
Disclosure of Invention
In order to solve the problems, the invention provides a composite multilayer spiral vibration countercurrent dryer.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a combined type multilayer spiral vibration countercurrent dryer, includes a plurality of drying trays, and a plurality of drying trays range upon range of setting up constitutes the drying cabinet body, and the drying cabinet body is installed on the base, and the inside vibrating motor that is equipped with of base, and the drying tray of top layer is equipped with feeding storehouse and air outlet, and the drying tray of bottom is equipped with air intake and play feed bin.
The drying tray comprises a box body, an insulating layer, a screen plate, spiral sheets, a blanking port and a blanking groove, wherein the insulating layer is arranged on the side wall of the box body, the screen plate is welded at the top of the box body, the spiral sheets are arranged on the screen plate, the blanking port is arranged on the outer edge of the screen plate, the screen plate is conical, the vertex angle alpha is 170-176 degrees, a conical cap is arranged at the central position of the screen plate, a spiral track surrounded by the spiral sheets leads to the blanking port from the center of the screen plate, a blanking groove is arranged below the screen plate, the upper end of the blanking groove is communicated with the blanking port, the lower end of the blanking groove is positioned right above the central position of the screen plate of the next layer of drying tray, a temperature sensor is arranged at the air outlet, an air outlet pipe is connected with a dust remover, the dust remover is connected with an induced draft fan, an automatic feeding device is arranged in the feeding bin, the air inlet is connected with the air inlet pipe, a temperature sensor is arranged in the air inlet pipe, the drying tray at the bottom layer is also provided with an air outlet bin, and the air inlet equipment comprises a blower, a heater and an air filter which are sequentially arranged according to the air flow direction, and a drain pipe is arranged below the base.
As the preferable technical scheme, the discharging bin is connected to the side wall of the drying disc at the bottom layer, and the discharging bin is provided with an openable cleaning window.
As a preferable technical scheme, one or more movable joint mirrors are arranged outside the drying disc, so that the material can be conveniently observed and cleaned in time. All the drying discs are connected and fixed by a clamp, so that the drying discs are convenient to disassemble, wash and maintain.
As the preferable technical scheme, the base is connected with the drying box body through the supporting spring, and the periphery of the base is provided with a lifting hook so as to facilitate equipment disassembly, lifting and transportation.
The air inlet and the air outlet are respectively provided with a temperature sensor, so that the drying temperature can be controlled in real time, and the drying process of the materials is ensured to be processed according to the technological requirements. The screen plate is provided with a plurality of net-shaped small holes, and the net-shaped small holes are used for discharging hot air from the bottom to the top. The spiral sheet encloses into spiral guide rail on the sieve, and the effect is to guide the material of central point position to the blanking mouth in dry dish border outside through vibrating spiral. The material dropping groove is used for guiding the material from the material dropping opening on the side surface of the edge of the drying disc to the center position of the next layer.
The beneficial effects of the invention are as follows: wet materials are added from a top feeding bin of the dryer, then the wet materials are discharged from the bottom of the dryer, hot air enters from an air inlet at the bottom of the dryer and is discharged from the top of the dryer, and the hot air passes through the material layer for multiple times and flows reversely with the materials, so that heat exchange is sufficient, the heat efficiency is extremely high after sufficient heat penetrating and mass transferring are carried out between the materials and the hot air, and the drying efficiency is improved. In addition, the material does circular motion from top to bottom along the spiral guide rail and also jumps, so that the drying effect is improved. The loose joint sight glass can observe the drying condition of material in time, and the drying tray is detachable form and has further made things convenient for clearance and washing, makes the desiccator accord with the GMP production requirement. The sieve plate is conical, the vertex angle alpha is 170-176 degrees, and the conical cap is arranged at the central position of the sieve plate, so that the problem of material accumulation and blocking is solved, the drying effect is improved, and the drain pipe is arranged, so that the cleaning and the cleaning in the machine are easy. In addition, compared with the traditional spiral vibration drying equipment, the equipment is provided with the temperature detection sensor, and by combining a mechanical automation control technology, the power of the heater can be immediately adjusted after the temperature sensor detects that the data exceeds (is lower than) the preset drying temperature range, so that the air inlet temperature is reduced (raised).
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of a drying tray of the present invention.
Fig. 3 is a schematic view of the drying tray-mounted conical cap of the present invention.
Fig. 4 is a schematic view of a base drain pipe according to the present invention.
Fig. 5 is a schematic view of a discharge bin of the present invention.
In the figure: 1-blower, 2-heater, 3-air filter, 4-air-supply line, 5-base, 6-vibrating device, 7-drying tray, 8-automatic feeding device, 9-dust remover, 10-air-supply line, 11-induced draft fan, 12-feeding bin, 13-air outlet, 14-air inlet, 15-feed bin, 16-loose joint mirror, 17-clamp, 18-drain pipe, 19-cleaning window, 701-box, 702-heat preservation, 703-blanking port, 704-blanking groove, 705-spiral piece, 706-sieve plate, 707-conical cap.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
As shown in fig. 1, the composite multi-layer spiral vibration countercurrent dryer comprises a base 5, a vibration device 6, a drying disc 7, an automatic feeding device 8, a blower 1, an air filter 3, a heater 2, a dust remover 9, an induced draft fan 11, an air inlet pipe 4, an air outlet pipe 10 and the like. The drying box body is formed by stacking a plurality of drying trays 7, the drying box body is arranged on the base 5, the vibrating motor 6 is arranged in the base 5, and as shown in fig. 2, the drying trays 7 comprise a box body 701, a heat insulation layer 702, a screen plate 706, a spiral slice 705, a blanking port 703 and a blanking groove 704. The lateral wall of box 701 is equipped with heat preservation 702, the top welding sieve 706 of box 701 is equipped with flight 705 on the sieve 706, the sieve 706 outward flange is equipped with blanking mouth 703, the sieve 706 below is equipped with blanking groove 704, blanking groove 704 upper end intercommunication blanking mouth 703, blanking groove 704 lower extreme is located the central point put directly over the sieve 706 of next floor drying tray 7, the drying tray 7 of top layer is equipped with feeding storehouse 12 and air outlet 13, air outlet 13 connects dust remover 9, the air-out pipe 10 of dust remover 9 connects draught fan 11, provide the negative pressure through draught fan 11, take out the humid air in the drying box. The feeding bin 12 is provided with an automatic feeding device 8, a drying disc at the bottom layer is provided with an air inlet 14, the air inlet 14 is connected with an air inlet pipe 4, a temperature sensor is arranged in the air inlet pipe 4, and the drying disc at the bottom layer is also provided with a discharging bin 15. The air inlet pipe 4 is connected with air inlet equipment, and the air inlet equipment comprises a blower 1, a heater 2 and an air filter 3 which are sequentially arranged according to the air flow direction, and the air is heated by the heater 2 and filtered by the air filter 3, so that the hot air entering the drying box body is ensured to be clean.
The sieve plate 706 is conical, the vertex angle alpha is 170-176 degrees, a conical cap 707 is arranged at the center of the sieve plate 706 as shown in fig. 3, and a spiral track surrounded by the spiral sheets 705 is led to the blanking port 704 from the center of the sieve plate 3. The tapered cap 707 is installed to prevent accumulation of falling material.
As shown in fig. 4, a drain pipe 18 is installed below the base 5, and a drain outlet of the drain pipe 18 is fixed outside the base 5, so that sewage inside the equipment can be discharged in time.
As shown in fig. 5, the discharging bin 15 is connected to the side wall of the drying tray 6 at the bottom layer, and the discharging bin 15 is provided with an openable cleaning window 19, so that the dried material can be conveniently observed and cleaned.
The outside of the drying tray 7 is provided with one or more loose-joint mirrors 16. The drying discs 7 are connected and fixed by the clamp 17, so that the drying discs are convenient to disassemble, wash and maintain.
The base 5 is connected with the drying box body through the supporting spring, and the base 5 periphery is equipped with the lifting hook to facilitate equipment disassembly, lift by crane, transportation.
The simple explanation is made for the drying process of the material by the composite multilayer spiral vibration countercurrent dryer. Hot air is fed into the composite multilayer spiral vibration countercurrent dryer from the air inlet 14, passes through the holes of the screen plate 706, sequentially passes through the multilayer drying trays 7 and then is discharged through the air outlet 13, the vibration motor 6 is started, meanwhile, wet materials are thrown into the center position of the top-layer drying tray from the feeding bin 12, the wet materials move to the edge of the screen plate 706 along the spiral sheet 705 from the center under the action of exciting force, fall to the center of the screen plate 706 of the next-layer drying tray 7 through the blanking groove 704, sequentially pass through the multilayer drying trays 7 and then are discharged from the discharge hole 15, and drying is completed.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. A compound multilayer spiral vibration countercurrent dryer comprises a plurality of drying discs and is characterized in that: a plurality of drying trays are arranged in a stacked manner to form a drying box body, the drying box body is arranged on a base, a vibrating motor is arranged in the base, a feeding bin and an air outlet are arranged on the drying tray on the top layer, and an air inlet and an air outlet are arranged on the drying tray on the bottom layer; the drying tray comprises a box body, an insulating layer, a screen plate, spiral sheets, a blanking port and a blanking groove, wherein the insulating layer is arranged on the side wall of the box body, the screen plate is welded at the top of the box body, the spiral sheets are arranged on the screen plate, the blanking port is arranged on the outer edge of the screen plate, the screen plate is conical, the vertex angle alpha is 170-176 degrees, a conical cap is arranged at the central position of the screen plate, a spiral track surrounded by the spiral sheets leads to the blanking port from the center of the screen plate, a blanking groove is arranged below the screen plate, the upper end of the blanking groove is communicated with the blanking port, the lower end of the blanking groove is positioned right above the central position of the screen plate of the next layer of drying tray, a temperature sensor is arranged at the air outlet, an air outlet pipe is connected with a dust remover, the dust remover is connected with an induced draft fan, an automatic feeding device is arranged in the feeding bin, the air inlet is connected with the air inlet pipe, a temperature sensor is arranged in the air inlet pipe, the drying tray at the bottom layer is also provided with an air outlet bin, and the air inlet equipment comprises a blower, a heater and an air filter which are sequentially arranged according to the air flow direction, and a drain pipe is arranged below the base.
2. The composite multilayer spiral vibration countercurrent dryer according to claim 1, wherein: the discharging bin is connected to the side wall of the drying disc at the bottom layer, and the discharging bin is provided with an openable cleaning window.
3. The composite multilayer spiral vibration countercurrent dryer according to claim 1, wherein: the drying discs are connected and fixed by a clamp.
4. The composite multilayer spiral vibration countercurrent dryer according to claim 1, wherein: the base is connected with the drying box body through a supporting spring.
5. The composite multilayer spiral vibration countercurrent dryer according to claim 1, wherein: and a lifting hook is arranged on the periphery of the base.
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CN201810026800.9A CN108036632B (en) | 2018-01-11 | 2018-01-11 | Composite multilayer spiral vibration countercurrent dryer |
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CN201810026800.9A CN108036632B (en) | 2018-01-11 | 2018-01-11 | Composite multilayer spiral vibration countercurrent dryer |
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CN108036632A CN108036632A (en) | 2018-05-15 |
CN108036632B true CN108036632B (en) | 2024-05-07 |
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CN109282597A (en) * | 2018-11-01 | 2019-01-29 | 南京仁恒轴承滚动体有限公司 | A kind of needle roller drying device |
CN110081697B (en) * | 2019-04-19 | 2021-04-09 | 安徽云龙粮机有限公司 | Grain drying device capable of uniformly conveying air |
CN110081696A (en) * | 2019-04-19 | 2019-08-02 | 安徽云龙粮机有限公司 | A kind of grain allocates blanking drying unit |
CN110345713A (en) * | 2019-08-01 | 2019-10-18 | 江西赫柏康华制药设备有限公司 | A kind of multifunctional composite Centrifugal vibration counter current solid drying machine and method |
CN113720063A (en) * | 2021-09-16 | 2021-11-30 | 江西赫柏康华制药设备有限公司 | Method and equipment for cooling pills |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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GB335469A (en) * | 1929-12-16 | 1930-09-25 | Elmore Guy Hartwell | Centrifugal driers |
SU282150A1 (en) * | 1969-07-17 | 1985-06-23 | Ulyanov V M | Pneumatic drier for pulverulent materials |
CA2311241A1 (en) * | 1999-06-28 | 2000-12-28 | International Technology Systems, Inc. | Hot air dryer |
CN2577211Y (en) * | 2002-10-15 | 2003-10-01 | 张歌今 | Lifting type drying machine |
CN102183134A (en) * | 2011-03-08 | 2011-09-14 | 常州先锋干燥设备有限公司 | Rotary flash drying system |
CN103925784A (en) * | 2014-04-30 | 2014-07-16 | 江西中医药大学 | Multi-layer vibrating dryer |
CN207922808U (en) * | 2018-01-11 | 2018-09-28 | 江西赫柏康华制药设备有限公司 | A kind of combined type multilayer spiral vibrating counterflow drier |
-
2018
- 2018-01-11 CN CN201810026800.9A patent/CN108036632B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB335469A (en) * | 1929-12-16 | 1930-09-25 | Elmore Guy Hartwell | Centrifugal driers |
SU282150A1 (en) * | 1969-07-17 | 1985-06-23 | Ulyanov V M | Pneumatic drier for pulverulent materials |
CA2311241A1 (en) * | 1999-06-28 | 2000-12-28 | International Technology Systems, Inc. | Hot air dryer |
CN2577211Y (en) * | 2002-10-15 | 2003-10-01 | 张歌今 | Lifting type drying machine |
CN102183134A (en) * | 2011-03-08 | 2011-09-14 | 常州先锋干燥设备有限公司 | Rotary flash drying system |
CN103925784A (en) * | 2014-04-30 | 2014-07-16 | 江西中医药大学 | Multi-layer vibrating dryer |
CN207922808U (en) * | 2018-01-11 | 2018-09-28 | 江西赫柏康华制药设备有限公司 | A kind of combined type multilayer spiral vibrating counterflow drier |
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