CN106440664B - Desiccator suitable for high viscosity fermented feed - Google Patents
Desiccator suitable for high viscosity fermented feed Download PDFInfo
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- CN106440664B CN106440664B CN201610889631.2A CN201610889631A CN106440664B CN 106440664 B CN106440664 B CN 106440664B CN 201610889631 A CN201610889631 A CN 201610889631A CN 106440664 B CN106440664 B CN 106440664B
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- dry material
- conveyor
- discharging conveyor
- inlet channel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/082—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed arrangements of devices for distributing fluidising gas, e.g. grids, nozzles
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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
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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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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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
- F26B25/04—Agitating, stirring, or scraping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/02—Biomass, e.g. waste vegetative matter, straw
Abstract
The invention discloses a dryer suitable for high-viscosity fermented feed, which comprises a feeder, a drying chamber, an air inlet channel, a cyclone separator, a finished product storage bin, a ventilating pore plate, a stirring shaft, a semi-dry material discharging conveyor, a fan and a finished product discharging machine, wherein the semi-dry material discharging conveyor is arranged on the lower surface of the ventilating pore plate, the semi-dry material discharging conveyor and the stirring shaft vertically penetrate through the air inlet channel, and the orthographic projection coverage area of the part, penetrating through the air inlet channel, of a conveyor cylinder body of the semi-dry material discharging conveyor on the ventilating pore plate is directly communicated with the drying chamber and is hermetically isolated from the air inlet channel. The invention can solve the problems of wall sticking, caking, difficult cleaning of equipment and the like caused by high viscosity and easy agglomeration of the high-viscosity fermented feed.
Description
Technical Field
The invention relates to drying equipment, belongs to the field of machinery, and particularly relates to a drying machine suitable for high-viscosity fermented feed.
Background
In the production of solid-state fermented feed, because a large amount of bacterial liquid is inoculated on a fermentation substrate, the water content of the fermented feed is very high after the solid-state fermentation is finished, and is generally 35-45%. In the process of solid state fermentation for a plurality of days, the materials are soaked by abundant free water for a long time, the materials can be softened and expanded and can generate certain viscosity, meanwhile, after the materials are subjected to microbial fermentation treatment, macromolecular protein is degraded, a plurality of metabolites are generated by microbial growth and metabolism, and the like, and the viscosity of the materials can be further increased in the process of the microorganisms participating in material conversion. Different material compositions and different microbial bacterium combinations are fermented to produce fermented feed, sometimes the produced wet fermented feed has larger viscosity ratio, and the high-viscosity fermented feed such as drying treatment is relatively difficult.
When the high-viscosity fermented feed just enters the conventional drying equipment, due to the characteristics of low temperature, high moisture content, high viscosity, large material granularity and the like, the flowability of the material in the drying equipment is poor, the material is easy to agglomerate and block, so that the material is adhered to the inner wall of the drying equipment drying chamber to cause local overheating of the material, uneven heating is caused, and the drying efficiency is low. Excessive drying will destroy the nutrient content of fermented feed, and the condition that the material scabbed will be formed to the drying chamber inner wall of drying equipment simultaneously, and this will hinder the operation of the inside transmission part of equipment, need the inside manual material of clearing up the scabbed of artifical drilling equipment after the production shut down, and the clearance degree of difficulty is very big.
Disclosure of Invention
The invention aims to solve the problems of wall sticking, caking, difficult cleaning of equipment and the like caused by high viscosity of high-viscosity fermented feed and easy agglomeration, and provides a drying machine suitable for the high-viscosity fermented feed.
The invention is realized by the following technical scheme:
the utility model provides a desiccator suitable for high viscosity fermented feed, includes the charging means, the drying chamber, inlet air passageway, cyclone, finished product storage bin, ventilative orifice plate, the (mixing) shaft, half-dry material discharge conveyor, fan, finished product discharge machine, half-dry material discharge conveyor installs the lower surface at ventilative orifice plate, and half-dry material discharge conveyor is the perpendicular through inlet air passageway with the (mixing) shaft, half-dry material discharge conveyor runs through the orthographic projection coverage area of the conveyer barrel part of inlet air passageway on ventilative orifice plate and directly communicates with each other and be airtight separation with inlet air passageway with the drying chamber.
As an improvement, set up the groove that gathers materials in the inside below of inlet air channel, gather materials groove bottom installation material and retrieve the conveyer, this material is retrieved the discharge gate of conveyer and is outside the desiccator, and this material retrieves the discharge gate installation air seal machinery of conveyer.
As an improvement, the semi-dry material discharging conveyor is a full-face spiral conveyor.
As an improvement, the semi-dry material discharging conveyor is arranged on one side close to the finished product storage bin.
As an improvement, the semi-dry material discharging conveyor is controlled by frequency conversion.
The work operation flow of the invention is as follows:
the feeder will treat that dry wet material adds the drying chamber and spreads the ventilative orifice plate fully, because the convulsions effect of fan, introduces clean hot-blast from inlet air channel and passes the ventilative orifice plate, and hot-blast wet material of treating on the ventilative orifice plate of impact makes it present the boiling form, and the (mixing) shaft also stirs the wet material that glues and pile up together in rotating this moment, promotes the material dry even and avoids the material to aggregate the piece and produce the coking.
In the drying process, part of dust materials in the drying chamber flow into the cyclone separator along with hot air, small-particle dust materials are separated by the cyclone separator and fall into a finished product storage bin, and the hot air is pumped out of the cyclone separator by the fan and is discharged. In addition, part of the powder material with fine particle size in the drying chamber falls into the air inlet channel from the air vent of the air permeable pore plate. Every interval time in the dry production process, after the inside ejection of compact of desiccator 1 feeder was fed in raw material temporarily, only need close a fan short period, during powdery material in the inlet air duct just will fall into the material recovery conveyer through the collection effect of collecting groove this moment, opened airlock and material recovery conveyer in proper order again, the powdery material that falls into in the material recovery conveyer just is carried out the desiccator outside, collects these recovery materials. After the materials are collected, the material recovery conveyor and the air seal machine are closed, the fan is started, the collected and recovered materials are uniformly added into the feeder, the recovered materials are mixed with wet materials in the feeder, the feeder is started, the drying chamber is fed, and the drying production process is continued.
If the processed materials are sticky in the drying process, the air seal machine and the semi-dry material discharging conveyor can be started, and because the semi-dry material discharging conveyor is communicated with the drying chamber and is just below the air permeable pore plate, the semi-dry materials in the drying chamber which are not completely dried fall into a conveying cylinder of the semi-dry material discharging conveyor, are conveyed to a discharge port by the semi-dry material discharging conveyor and are discharged out of the drying machine from the air seal machine.
The discharged semi-dry material is partially reduced due to moisture, the outer surface of the material is baked by hot air to form a certain degree of scorched state, then the partially discharged semi-dry material is uniformly added into a feeder, the semi-dry material is mixed with the wet material in the feeder, a layer of semi-dry material particles with a blocking effect is adhered to the outer surface of the wet material particles, the semi-dry material plays a role in reducing the whole moisture content and the whole material viscosity of the mixed material in the mixture, the mixed material is not easy to aggregate into blocks and stick to walls in drying equipment, and finally the material is smoothly dried, smoothly and is discharged into a finished product storage bin and is discharged from a finished product discharging machine.
In the drying process, the ratio of the speed of conveying the semi-dry materials out of the conveyor to the speed of adding the semi-dry materials into the feeder can be adjusted according to the difference of the viscosity of the materials to be dried, so that the mixed materials entering the dryer are not easy to aggregate into blocks, stick to walls and are easy to dry.
The invention has the beneficial effects that:
(1) adopt half-dry material ejection of compact conveyer to follow the drying chamber and outwards roll out partial half-dry material to the drying chamber, and mix half-dry material and the viscous not dry material of drying of height and form the mixed material, half-dry material plays the effect that reduces the whole moisture content and the whole material viscidity of mixed material in the mixture, the mixed material is difficult for gathering the agglomeration and gluing the wall in drying equipment, material drying process gets up more smoothly, the dry quality of material is better, because the material is difficult for gluing the work of artifical clearance in the drying equipment that significantly reduces of wall.
(2) Can real-time automatic clearance fall into the likepowder dry material of inlet air channel in, need not artifical inside clearance of entering equipment, have the usage that reduces dry material viscidity concurrently. Powdery materials in drying equipment easily fall into an air inlet channel through air holes of an air permeable pore plate in the drying process, after production is finished, the powdery materials accumulated in the air inlet channel generally need to be manually climbed into the air inlet channel from a manhole to be cleaned and recycled, but the continuous production time is long in the production process, the powdery materials accumulated in the air inlet channel can be subjected to long-time high-temperature drying treatment, so that the powdery materials are excessively dried, nutrient components in the powdery materials are greatly damaged, the recycling value is not high, the powdery materials can only be treated as defective products, the product loss rate is increased, the powdery materials can even be spontaneously combusted, and economic loss caused by production shutdown is caused. According to the invention, the material collecting groove, the material recovery conveyor and the air seal machine are arranged at the lower part of the air inlet channel of the dryer, so that the material falling into the air inlet channel can be collected in the material collecting groove, the material in the material collecting groove can be conveyed out of the dryer by starting the material recovery conveyor and the air seal machine at any time in the production process, and the normal production is not influenced. On the other hand, because the material that will collect the recovery is added into the charging means and is mixed with not dry wet material, reduces the viscidity of misce bene, is favorable to avoiding the material to gather the agglomeration and glue the wall in drying equipment.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a sectional view a-a of fig. 1.
Fig. 6 is a partial enlarged view of M in fig. 1.
Fig. 7 is a schematic cross-sectional partial structure view of the upper and lower portions of the ventilation hole plate.
FIG. 8 is a partial top view of the interior of the cross-over air intake channel at the intersection of the conveyor and the perforated plate.
The notation in the figure is: 1-a feeder; 2-a drying chamber; 3-air inlet channel; 4-a cyclone separator; 5-finished product storage bin; 6-collecting trough; 7-a material recovery conveyor; 8-an air seal machinery; 9-a ventilation hole plate; 10-a stirring shaft; 11-a semi-dry material discharging conveyor; 12-an air seal machinery; 13-a fan; 14-finished product discharging machine.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1 to 8, a dryer suitable for high-viscosity fermented feed comprises a feeder 1, a drying chamber 2, an air inlet channel 3, a cyclone separator 4, a finished product storage bin 5, a ventilating pore plate 9, a stirring shaft 10, a semi-dry material discharging conveyor 11, a fan 13 and a finished product discharging conveyor 14, wherein the semi-dry material discharging conveyor 11 is installed on the lower surface of the ventilating pore plate 9, the semi-dry material discharging conveyor 11 and the stirring shaft 10 vertically penetrate through the air inlet channel 3, and an orthographic projection coverage area of a conveyor cylinder part of the semi-dry material discharging conveyor 11 penetrating through the air inlet channel 3 on the ventilating pore plate 9 is directly communicated with the drying chamber 2 and is hermetically isolated from the air inlet channel 3.
As an improvement, set up in the inside below of inlet air channel 3 and collect silo 6, collect silo 6 bottom installation material recovery conveyer 7, this material recovery conveyer 7's discharge gate is outside the desiccator, and this material recovery conveyer 7's discharge gate installation airlock 8.
As an improvement, the half-dry material discharging conveyor 11 is a full-face screw conveyor.
As a modification, a half-dry material discharging conveyor 11 is installed at a side close to the finished product storage bin 5.
As an improvement, the semi-dry material discharging conveyor 11 is controlled by frequency conversion.
The work operation flow of the invention is as follows:
In the drying process, part of dust materials in the drying chamber 2 flow into the cyclone separator 4 along with hot air, small-particle dust materials are separated by the cyclone separator 4 and fall into the finished product storage bin 5, and the hot air is pumped out of the cyclone separator 4 by the fan 13 and discharged. In addition, part of the fine powder material in the drying chamber 2 will fall into the air intake channel 3 from the air vents of the air-permeable pore plate 9. Every interval time in the dry production process, after the inside ejection of compact of desiccator 1 feeder is delayed reinforced, only need close 13 short periods of fan, the powdery material in inlet air channel 3 just will fall into material recovery conveyer 7 through the collection effect of collecting chute 6 this moment, open airlock 8 and material recovery conveyer 7 in proper order again, the powdery material that falls into in material recovery conveyer 7 just is carried out the desiccator outside, collects these recovery materials. After the materials are collected, the material recovery conveyor 7 and the air seal machine 8 are closed, the fan 13 is started, the collected and recovered materials are uniformly added into the feeder 1, the recovered materials are mixed with wet materials in the feeder 1, the feeder 1 is started, the drying chamber 2 is filled with materials, and the drying production process is continued.
If the processed materials are sticky in the drying process, the air seal machine 12 and the semi-dry material discharging conveyor 11 can be started, and because the semi-dry material discharging conveyor 11 is communicated with the drying chamber and is just below the air permeable hole plate 9, the materials in the semi-dry state which are not completely dried in the drying chamber fall into the conveying cylinder of the semi-dry material discharging conveyor 11, are conveyed to the discharge hole by the semi-dry material discharging conveyor 11, and are discharged out of the drying machine from the air seal machine 12.
The discharged semi-dry material is partially reduced in moisture and the outer surface of the material is baked by hot air to form a certain degree of scorched state, then the partially discharged semi-dry material is uniformly added into the feeder 1, the semi-dry material is mixed with the wet material in the feeder 1, a layer of semi-dry material particles with a barrier effect is adhered outside the wet material particles, the semi-dry material plays a role in reducing the whole moisture content and the whole material viscosity of the mixed material in the mixture, the mixed material is not easy to aggregate into blocks and stick to walls in drying equipment, and finally the material is dried smoothly and discharged into the finished product storage bin 5 smoothly and discharged from the finished product discharging machine 14.
In the drying process, the ratio of the speed of conveying the semi-dry material by the semi-dry material discharging conveyor 11 to the ratio of the semi-dry material added into the feeder 1 can be adjusted according to the difference of the viscosity of the material to be dried, so that the mixed material entering the dryer is not easy to aggregate into blocks, stick to walls and be easily dried.
Claims (4)
1. A desiccator suitable for high viscosity fermented feed which characterized in that: comprises a feeder, a drying chamber, an air inlet channel, a cyclone separator, a finished product storage bin, a ventilating pore plate, a stirring shaft, a semi-dry material discharging conveyor, a fan and a finished product discharging machine, wherein the semi-dry material discharging conveyor is arranged on the lower surface of the ventilating pore plate, the semi-dry material discharging conveyor and the stirring shaft vertically penetrate through an air inlet channel, the part of the semi-dry material discharging conveyor penetrating through the air inlet channel is directly communicated with the drying chamber in an orthographic projection coverage area on the air permeable pore plate and is hermetically separated from the air inlet channel, the semi-dry material discharging conveyor is used for taking out part of the semi-dry material from the drying chamber and mixing the semi-dry material with the wet material in the feeder, a material collecting groove is arranged below the inner part of the air inlet channel, a material recovery conveyor is arranged at the bottom end of the material collecting groove, the discharge port of the material recycling conveyor is arranged outside the drying machine, and the air seal machine is arranged at the discharge port of the material recycling conveyor.
2. The drying machine for highly viscous fermented feed as claimed in claim 1, wherein: the semi-dry material discharging conveyor is a full-face spiral conveyor.
3. The drying machine for highly viscous fermented feed as claimed in claim 1, wherein: the semi-dry material discharging conveyor is arranged on one side close to the finished product storage bin.
4. The drying machine for highly viscous fermented feed as claimed in claim 1, wherein: the semi-dry material discharging conveyor is controlled by frequency conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610889631.2A CN106440664B (en) | 2016-10-12 | 2016-10-12 | Desiccator suitable for high viscosity fermented feed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610889631.2A CN106440664B (en) | 2016-10-12 | 2016-10-12 | Desiccator suitable for high viscosity fermented feed |
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| CN106440664A CN106440664A (en) | 2017-02-22 |
| CN106440664B true CN106440664B (en) | 2020-07-14 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036260A (en) * | 1989-04-06 | 1989-10-11 | 中国农业机械化科学研究院 | Energy saving two-stage drying technology process |
| CN1060350A (en) * | 1990-10-05 | 1992-04-15 | 张承业 | Drying apparatus of materials with distributed hot air flow |
| CN203469968U (en) * | 2013-08-06 | 2014-03-12 | 中国华能集团清洁能源技术研究院有限公司 | Large-size fluidization drying machine |
| CN104729324A (en) * | 2015-04-09 | 2015-06-24 | 哈尔滨工业大学 | Multi-tube-bundle eddy flow tube shell and tube heat exchanger |
| CN205593305U (en) * | 2016-05-12 | 2016-09-21 | 济宁学院 | Device of microwave fluidised bed drying grain |
| CN206073571U (en) * | 2016-10-12 | 2017-04-05 | 武汉贵言机械制造有限公司 | A kind of drying machine suitable for high viscosity fermented feed |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1163815A (en) * | 1997-08-26 | 1999-03-05 | Hitachi Techno Eng Co Ltd | Treating device processed by jet burner |
| CN100496931C (en) * | 2003-04-14 | 2009-06-10 | 兰州瑞德干燥技术有限公司 | Polyvinyl alcohol two-stage drying technology |
| JP2011149657A (en) * | 2010-01-25 | 2011-08-04 | Kurimoto Ltd | Indirect heating type concentrating and drying device |
| US9321581B2 (en) * | 2012-10-12 | 2016-04-26 | Eli Lilly And Company | Process and device for delivery of fluid by chemical reaction |
| CN205474560U (en) * | 2016-04-07 | 2016-08-17 | 北京金马伦科技发展有限公司 | Dry process dust collector |
-
2016
- 2016-10-12 CN CN201610889631.2A patent/CN106440664B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036260A (en) * | 1989-04-06 | 1989-10-11 | 中国农业机械化科学研究院 | Energy saving two-stage drying technology process |
| CN1060350A (en) * | 1990-10-05 | 1992-04-15 | 张承业 | Drying apparatus of materials with distributed hot air flow |
| CN203469968U (en) * | 2013-08-06 | 2014-03-12 | 中国华能集团清洁能源技术研究院有限公司 | Large-size fluidization drying machine |
| CN104729324A (en) * | 2015-04-09 | 2015-06-24 | 哈尔滨工业大学 | Multi-tube-bundle eddy flow tube shell and tube heat exchanger |
| CN205593305U (en) * | 2016-05-12 | 2016-09-21 | 济宁学院 | Device of microwave fluidised bed drying grain |
| CN206073571U (en) * | 2016-10-12 | 2017-04-05 | 武汉贵言机械制造有限公司 | A kind of drying machine suitable for high viscosity fermented feed |
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| CN106440664A (en) | 2017-02-22 |
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