CN101995144A - Continuous drying method and device by conveying hot air spirally - Google Patents
Continuous drying method and device by conveying hot air spirally Download PDFInfo
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- CN101995144A CN101995144A CN2009101143001A CN200910114300A CN101995144A CN 101995144 A CN101995144 A CN 101995144A CN 2009101143001 A CN2009101143001 A CN 2009101143001A CN 200910114300 A CN200910114300 A CN 200910114300A CN 101995144 A CN101995144 A CN 101995144A
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- conveying worm
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Abstract
The invention relates to a continuous drying method and a continuous drying device by conveying hot air spirally. The device consists of an air inlet tube (1), an air distribution chamber (2), a spiral conveyor (3), an air chamber (4), an exhausting tube (5), a feed hopper (12), a discharge hopper (13) and an air intake device of the spiral conveyor (3). The device is characterized in that: a certain air intake device ensures that hot air is injected into the spiral conveyor (3) from the distribution chamber (2); two ends of the spiral conveyor (3) are provided with the feed hopper (12) and the discharge hopper (13), and an opening facing upwards is formed in the center of the spiral conveyor (3); the air chamber (4) of which both the volume and projected area on the ground are greater than those of the spiral conveyor (3) is connected to the opening; and the exhausting tube (5) is arranged above the air chamber (4).
Description
Technical field
Patent of the present invention belongs to the hot blast continuous drying technical field of material, the various industrial departments of extensive use.
Background technology
The hot blast continuous drying of material is an important link in many production technologies, and dry purpose is to remove the moisture or the solvent of some raw material, semi-finished product and finished product, makes material be convenient to packing, transportation, storage, process and use.The selection of drying means and equipment all can produce very big influence to energy consumption, security and manpower and materials etc.Typical material hot blast method for continuous drying and equipment comprise chimneying drying, revolving drum drying, fluidized drying, band drier, tunnel type drying etc.Yet the dry of some material also should not adopt the legacy equipment drying.As the bagasse drying, adopt traditional fluid bed can't obtain stable bagasse fluidization, the eighties in last century is to the nineties, China's cane sugar factory once adopted the flue gas duct pneumatic conveying drying that bagasse is carried out drying, and practice shows that this technology is to energy-conservation beneficial, but safety coefficient is low, and equipment attrition is also serious; Have the revolving drum of employing method that bagasse is carried out drying abroad, but because bagasse density is less, revolving drum is little to the treating capacity of bagasse, is difficult to adapt to modern large-scale sugar refinery.Drying sludge for another example, the mud behind mechanical dehydration, moisture content are 50～80%, owing to there is certain viscosity, when adopting conventional method dry, mud will be stained with knot makes drying process be difficult to carry out at wall.
The hot blast continuous drying technology of material relates to the way of contact of hot blast and material and the conveying of material, the way of contact decision material of material and the caloic transmission efficiency and the energy consumption of hot blast, the conveying of material then determines stability, safety coefficient and the controllability of continued operation.
Summary of the invention
The purpose of patent of the present invention is to provide a kind of and adopts helical feed and stir material hot blast method for continuous drying and the device that gas-solid mixes, and has characteristics such as material wide adaptability, energy-conservation, production stability and safety coefficient height and controllability are good.
The purpose of patent of the present invention is to realize by such mode.Helical feed hot blast continuous drier of the present invention is made up of air-intake device of air inlet pipe (1), gas distributing chamber (2), conveying worm (3), feed hopper (12), discharge bucket (13), air chamber (4), blast pipe (5) and conveying worm etc.Wherein conveying worm (3) by drive unit (8), end bearing (9), have axle or Shaftless spiral blade auger (10), helicla flute (11), feed hopper (12), discharge bucket (13) etc. to form, the two ends of helicla flute (11) be the internal diameter pipe suitable with auger (10) diameter and middle be the open ports that makes progress; Connect air chamber (4) on the open ports of helicla flute (11), projected area goes up installation blast pipe (5) all greater than the enclosure space of conveying worm (3) at air chamber (4) to air chamber (4) for volume reaches over the ground; According to the characteristic of material, the air-intake device of conveying worm is for to drive pore (6) on helicla flute (11), or in the top of helicla flute (11) a plurality of downward jet pipes (7) is installed.
When implementing dry materials, material is entered conveying worm (3) and is transported to discharge bucket (13) and eliminating by auger (10) by feed hopper (12); Hot gas enters gas distributing chamber (2) by air inlet pipe (1), imports in the helicla flute (11) by air admission hole (6) or air jet pipe (7) and mixes with wet stock; Dried humid gas is got rid of from escape pipe (5) through air chamber (4).In air chamber (4), the tiny material of being carried secretly by gas of part is separated from the gas and return helicla flute (11).
In the dry run of patent of the present invention, material mixes with hot blast, except the fluidization effect to material of hot blast, is also strengthened by the stirring of helical blade.
Patent of the present invention makes up the pseudo-fluifization drying system on the conveying worm of typing, the stability of existing conveying worm mass transport, safety coefficient and controllability have the efficient caloic transmission efficiency of fluid bed again.Simultaneously, because the stirring action of auger also can be avoided the fluidised characteristic that is difficult to of heating power skewness that common fluid bed may exist and some material.
According to actual needs, patent of the present invention can implement individual layer helical feed drying or multi-layer helical is carried dry.As when adopting flue gas to carry out drying,, adopt individual layer helical feed drying device that device is simplified because flue gas is sufficient and do not consume energy, investment reduces, and because windage reduces, can reduce power consumption on the contrary.Employing adds hot-air when carrying out drying, in order to make full use of the heat of hot-air, reduces energy consumption, and it is dry then should to adopt multi-layer helical to carry.When implementing multi-layer helical conveying drying, only need the discharge bucket of upper strata conveying worm and the feed hopper of lower floor's conveying worm are connected to form hopper (14).The multi-layer helical of patent of the present invention is carried drying system to be better than traditional multicompartment fluidized bed and also is, because the two ends of the helicla flute (11) of conveying worm are pipe, input and output material has good lock airway dysfunction, thus multi-layer helical of the present invention carry drying system cross that collaborating can not appear in hopper (14) or phenomenon such as punishment in advance difficulty.
Description of drawings
Fig. 1 is the device structure schematic diagram of patent working example 1 of the present invention.
Fig. 2 is the side view of the device structure of patent working example 1 of the present invention.
Fig. 3 is patent working example 2 device structure schematic diagrames of the present invention.
Fig. 4 is the side view of the device structure of patent working example 2 of the present invention.
Fig. 5 is the structural representation of patent conveying worm of the present invention (3).
Fig. 6 is the side view of patent conveying worm of the present invention (3).
Fig. 7 is patent working example 3 device structure schematic diagrames of the present invention.
Fig. 8 is the side view of the device structure of patent working example 3 of the present invention.
The specific embodiment
Claims (4)
1. helical feed hot blast method for continuous drying and device, by air inlet pipe (1), gas distributing chamber (2), conveying worm (3), air chamber (4), blast pipe (5), feed hopper (12), the air-intake device of discharge bucket (13) and conveying worm (3) is formed, it is characterized in that making hot gas spray into conveying worm (3) from gas distributing chamber (2) by certain air-intake device, conveying worm (3) two ends are feed hopper (12) and discharge bucket (13), the centre is for open ports upwards and connect air chamber (4) on opening, projected area goes up installation blast pipe (5) all greater than the enclosure space of conveying worm (3) at air chamber (4) to air chamber (4) for volume reaches over the ground.
2. a kind of helical feed hot blast method for continuous drying according to claim 1 and device, it is characterized in that, conveying worm (3) can be separate unit conveying worm or Duo Tai conveying worm combination up and down, during many combinations, the upper strata conveying worm is installed on the open ports of helicla flute (11) of lower floor's conveying worm, and throughput direction is opposite, the feed hopper of the discharge bucket of upper strata conveying worm and lower floor's conveying worm was connected to form hopper (14), the hot gas that leaves lower floor's conveying worm sprays into the upper strata conveying worm by air-intake device, and the orlop conveying worm is connected with gas distributing chamber (2).
3. according to claim 1 and 2 described a kind of helical feed hot blast method for continuous drying and devices, it is characterized in that the platform number of conveying worm (3) is 1～20.
4. according to claim 1 and 2 described a kind of helical feed hot blast method for continuous drying and devices, it is characterized in that, the air-intake device that sprays into conveying worm (3) is to drive pore (6) on the helicla flute (11) of conveying worm (3), or in the top of helicla flute (11) a plurality of downward jet pipes (7) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101143001A CN101995144A (en) | 2009-08-11 | 2009-08-11 | Continuous drying method and device by conveying hot air spirally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101143001A CN101995144A (en) | 2009-08-11 | 2009-08-11 | Continuous drying method and device by conveying hot air spirally |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101995144A true CN101995144A (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101143001A Pending CN101995144A (en) | 2009-08-11 | 2009-08-11 | Continuous drying method and device by conveying hot air spirally |
Country Status (1)
| Country | Link |
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| CN (1) | CN101995144A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473298A (en) * | 2014-11-12 | 2015-04-01 | 江苏大学 | Algae biomass solar spiral gradual drying system and method |
| CN109186238A (en) * | 2018-09-05 | 2019-01-11 | 安徽粮友机械科技有限公司 | A kind of grain transporter |
| CN109609155A (en) * | 2019-01-11 | 2019-04-12 | 扬州工业职业技术学院 | A kind of biomass carbonated feeding device |
-
2009
- 2009-08-11 CN CN2009101143001A patent/CN101995144A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473298A (en) * | 2014-11-12 | 2015-04-01 | 江苏大学 | Algae biomass solar spiral gradual drying system and method |
| CN109186238A (en) * | 2018-09-05 | 2019-01-11 | 安徽粮友机械科技有限公司 | A kind of grain transporter |
| CN109609155A (en) * | 2019-01-11 | 2019-04-12 | 扬州工业职业技术学院 | A kind of biomass carbonated feeding device |
| CN109609155B (en) * | 2019-01-11 | 2021-03-05 | 扬州工业职业技术学院 | Biomass carbonization feeding device |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |