CN106288728A - A kind of bagasse Pneumatic drying device - Google Patents

A kind of bagasse Pneumatic drying device Download PDF

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Publication number
CN106288728A
CN106288728A CN201610641670.0A CN201610641670A CN106288728A CN 106288728 A CN106288728 A CN 106288728A CN 201610641670 A CN201610641670 A CN 201610641670A CN 106288728 A CN106288728 A CN 106288728A
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CN
China
Prior art keywords
bagasse
flue gas
airflow
pipe
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610641670.0A
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Chinese (zh)
Inventor
钮德明
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Individual
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Individual
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Filing date
Publication date
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Priority to CN201610641670.0A priority Critical patent/CN106288728A/en
Publication of CN106288728A publication Critical patent/CN106288728A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
    • F26B17/105—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis the shaft or duct, e.g. its axis, being other than straight, i.e. curved, zig-zag, closed-loop, spiral
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • 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
    • F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2201/00—Pretreatment of solid fuel
    • F23K2201/20—Drying
    • 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

A kind of bagasse Pneumatic drying device, it is made up of flue gas inlet tube, airflow-distribution board, bagasse feeding machine, airflow drying tube, bagasse discharge machine, bagasse outlet, flue gas collection cone, cyclone separator, it is characterized in that: flue gas inlet tube is connected with boiler flue trachea；Equipped with airflow-distribution board below the left pipe of airflow drying tube；Bagasse feeding machine is installed above airflow-distribution board；Machine is discharged equipped with bagasse below the right pipe of airflow drying tube；Equipped with flue gas collection cone below the right pipe of airflow drying tube；Flue gas collection cone is connected with the tangential entry pipe of cyclone separator；The flue gas outlet pipe of cyclone separator is connected with boiler flue trachea；The bottom of cyclone separator is provided with slag-drip opening.It has drying efficiency height, simple in construction, reliable operation, the advantage such as easy for installation.

Description

A kind of bagasse Pneumatic drying device
Technical field
The present invention relates to boiler and use preprocessing process and the equipment of biomass fuel, specifically a kind of bagasse pneumatic conveying drying Device.
Background technology
Guangxi is as the largest province of whole nation cane sugar manufacture, 104, existing sugar refinery.The main dynamics equipment in sugar refinery is pot Stove, there are about 290, nearly all with bagasse as fuel.Owing to the combustion technology of bagasse stove falls behind, bagasse water content is big, and bagasse fires Burning not exclusively, the thermal efficiency of boiler is on the low side.Trace it to its cause, mainly have a following two problem:
1. longer due to sugarcane fiber, and be the most mutually wound around, the distribution in stove is the most uneven, directly contributes the burning of bagasse Uneven；
2. the water content of bagasse is big, and typically about 50%, the strong influence temperature of burner hearth, is also bagasse incomplete combustion Main cause.
In order to solve the problems referred to above, a lot of people are finding the new method being dried bagasse, make a general survey of domestic cane sugar manufacture enterprise It is dried the method that the method for bagasse mainly uses mechanical agitation flue gas fluidized drying, owing to sugarcane fiber is longer and the most mutual Being wound around, the drying effect of bagasse is not fine, never application.
Relevant open source literature reports the new method that some bagasses are dried, and does not finds that other open source literature has been reported Road one bagasse Pneumatic drying device.
Summary of the invention
It is an object of the invention to provide the moisture of a kind of rapid evaporation bagasse, promote the temperature of bagasse, simple in construction, investment The bagasse pretreatment special equipment saved, specifically a kind of bagasse Pneumatic drying device.
The present invention is achieved in that and bagasse is made long fibre and the separating treatment of sugarcane marrow, long fibre part before it is dried Paper making raw material is done in packing, and after sugarcane marrow is pulverized, its length is less than 6mm, does boiler oil；Additionally use bagasse Pneumatic drying device pair Bagasse after pulverizing is made drying and dewatering and is processed, it is desirable to reduce to 25%-40% from water content 50%.
Above-mentioned a kind of bagasse Pneumatic drying device is done by flue gas inlet tube, airflow-distribution board, bagasse feeding machine, air-flow Dry pipe, bagasse discharge machine, bagasse outlet, flue gas collection cone, cyclone separator composition, it is characterized in that: flue gas inlet tube It is connected with boiler flue trachea；Equipped with airflow-distribution board below the left pipe of airflow drying tube；Install above airflow-distribution board Bagasse feeding machine；Machine is discharged equipped with bagasse below the right pipe of airflow drying tube；Equipped with cigarette below the right pipe of airflow drying tube Road gas collection cone；Flue gas collection cone is connected with the tangential entry pipe of cyclone separator；The flue gas outlet pipe of cyclone separator It is connected with boiler flue trachea；The bottom of cyclone separator is provided with slag-drip opening.
The bagasse of the bagasse feeding machine conveying of above-mentioned a kind of bagasse Pneumatic drying device is the sugarcane marrow after pulverizing, and it is long Degree is within 6mm, and its function is to make bagasse send into airflow drying tube continually, and does not allow flue gas spill.
The flue gas outlet of the flue gas collection cone of above-mentioned a kind of bagasse Pneumatic drying device makes the gas slag of blind shaped Isolating construction, it is ensured that bagasse is dirty along wall, and flue gas flows into cyclone separator from gap.
The blade that the bagasse of above-mentioned a kind of bagasse Pneumatic drying device discharges machine is little with the gap that shell stays, to ensure cigarette Road gas is not discharged machine from bagasse and is spilt.
The operation principle of the present invention is: bagasse long fibre to be made and the separating treatment of sugarcane marrow, long fibre part Paper making raw material is done in packing, and sugarcane marrow does boiler oil after pulverizing.During operation, the high-temperature flue gas from boiler passes through air flow method Plate, forms the flue gas stream in equal stringing in airflow drying tube, and above airflow-distribution board, the bagasse feeding machine of installing is the most not Disconnected will pulverize after bagasse send into airflow drying tube, bagasse is dispelled picking-up by flue gas stream, and bagasse is suspended in flue gas stream uniformly In with flue-gas flow, in airflow drying tube, the flue gas of high temperature is sufficiently mixed with bagasse, and now, the heat of flue gas passes Passing bagasse, the moisture in bagasse is evaporated and is entered in flue gas, and result is that bagasse is dried and heats up, and last bagasse enters Enter the bagasse below the right pipe of airflow drying tube and discharge machine, be discharged to bagasse and enter on stove conveyer；Meanwhile, flue gas enters pneumatic conveying drying Flue gas collection cone below the right pipe of pipe, subsequently into cyclone separator, due to flue gas high speed rotating in cyclone separator, The bagasse carried secretly in flue gas, under centrifugal action, adherent falls, and flue gas goes out from center bank of tubes, reenters boiler smoke The opposite side of road trachea.
The invention have the advantage that
(1) drying efficiency is high: the bagasse after the flue gas of high temperature and pulverizing is sufficiently mixed, and the heat of flue gas passes to bagasse, Moisture in bagasse is evaporated and is entered in flue gas, and result is that bagasse is dried rapidly and heats up.
(2) simple in construction, reliable operation: itself do not have moving component, simple in construction, it is not necessary to maintenance, reliable operation.
(3) easy for installation: bagasse Pneumatic drying device is lightweight, it is simple to install.
Accompanying drawing explanation
Fig. 1 is the structure schematic front view of the present invention a kind of bagasse Pneumatic drying device.
As it is shown in figure 1, a kind of bagasse Pneumatic drying device is by flue gas inlet tube 1, airflow-distribution board 2, bagasse feeding machine 3, airflow drying tube 4, bagasse discharge machine 5, bagasse outlet 6, flue gas collection cone 7, cyclone separator 8 form.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is elaborated.
As shown in Figure 1 in the structure schematic front view of the present invention it can be seen that, a kind of bagasse Pneumatic drying device is by flue gas Inlet tube 1, airflow-distribution board 2, bagasse feeding machine 3, airflow drying tube 4, bagasse discharge machine 5, bagasse outlet 6, flue gas receipts Collection cone 7, cyclone separator 8 form, and wherein flue gas inlet tube 1 is connected with boiler flue trachea；Left pipe at airflow drying tube 4 Lower section is equipped with airflow-distribution board 2；Bagasse feeding machine 3 is installed above airflow-distribution board 2；Below the right pipe of airflow drying tube 4 Machine 5 is discharged equipped with bagasse；Equipped with flue gas collection cone 7 below the right pipe of airflow drying tube 4；Flue gas collection cone 7 and whirlwind The tangential entry pipe of separator 8 connects；The flue gas outlet pipe of cyclone separator 8 is connected with boiler flue trachea；Cyclonic separation The bottom of device 8 is provided with slag-drip opening.
During operation, the flue gas from boiler passes through airflow-distribution board 2, is formed in equal stringing in airflow drying tube 4 Flue gas stream, the bagasse after the bagasse feeding machine 3 of installing will be pulverized endlessly above airflow-distribution board 2 sends into pneumatic conveying drying Pipe 4, bagasse is dispelled picking-up by flue gas stream, and bagasse is suspended in flue gas stream with flue-gas flow uniformly, at airflow drying tube 4 In, the flue gas of high temperature with pulverizing after bagasse be sufficiently mixed, now, the heat of flue gas passes to bagasse, the water in bagasse Dividing and evaporated and enter in flue gas, result is that bagasse is dried and heats up, and last bagasse enters under the right pipe of airflow drying tube 4 The bagasse of side discharges machine 5, is discharged to bagasse and enters on stove conveyer；Meanwhile, flue gas enters the flue below the right pipe of airflow drying tube 4 Gas collection cone 7, subsequently into cyclone separator 8, due to flue gas high speed rotating in cyclone separator 8, carries secretly in flue gas Bagasse under centrifugal action, adherent fall, and flue gas go out from center bank of tubes, reenters boiler flue trachea another Side.

Claims (4)

1. a bagasse Pneumatic drying device is by flue gas inlet tube (1), airflow-distribution board (2), bagasse feeding machine (3), air-flow Drying tube (4), bagasse discharge machine (5), bagasse outlet (6), flue gas collection cone (7), cyclone separator (8) composition, and it is special Levy and be: flue gas inlet tube (1) is connected with boiler flue trachea；Equipped with air flow method below the left pipe of airflow drying tube (4) Plate (2)；At airflow-distribution board (2) top installing bagasse feeding machine (3)；Equipped with bagasse below the right pipe of airflow drying tube (4) Discharge machine (5)；Equipped with flue gas collection cone (7) below the right pipe of airflow drying tube (4)；Flue gas collection cone (7) and whirlwind The tangential entry pipe of separator (8) connects；The flue gas outlet pipe of cyclone separator (8) is connected with boiler flue trachea；Whirlwind The bottom of separator (8) is provided with slag-drip opening.
A kind of bagasse Pneumatic drying device the most according to claim 1, it is characterised in that: bagasse feeding machine (3) carries Bagasse is the sugarcane marrow after pulverizing, and its length is within 6mm, and its function is to make bagasse send into airflow drying tube continually, And do not allow flue gas spill.
A kind of bagasse Pneumatic drying device the most according to claim 1, it is characterised in that: the cigarette of flue gas collection cone (7) The gas-slag separation structure of blind shaped is made in road gas outlet, it is ensured that bagasse is dirty along wall, and flue gas flows into whirlwind from gap Separator.
A kind of bagasse Pneumatic drying device the most according to claim 1, it is characterised in that: bagasse discharges the blade of machine (5) Little with the gap that shell stays, to ensure that flue gas is not discharged machine from bagasse and spilt.
CN201610641670.0A 2016-08-08 2016-08-08 A kind of bagasse Pneumatic drying device Pending CN106288728A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610641670.0A CN106288728A (en) 2016-08-08 2016-08-08 A kind of bagasse Pneumatic drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610641670.0A CN106288728A (en) 2016-08-08 2016-08-08 A kind of bagasse Pneumatic drying device

Publications (1)

Publication Number Publication Date
CN106288728A true CN106288728A (en) 2017-01-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107314618A (en) * 2017-06-01 2017-11-03 梁树钦 A kind of bagasse drying device
CN107513396A (en) * 2017-08-31 2017-12-26 榆林煤化工产业促进中心 A kind of fine coal drying oven dried based on packed bed and drying device and technique based on the drying oven

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2357301Y (en) * 1998-12-22 2000-01-05 钟其 Whirlwind drier
CN2546825Y (en) * 2002-06-11 2003-04-23 杜献军 High-efficiency energy-saving dryer
KR20050061355A (en) * 2003-12-16 2005-06-22 아무콘가부시끼가이샤 Drying device
CN1986472A (en) * 2006-12-12 2007-06-27 广西贵糖（集团）股份有限公司 Process of producing cement with papermaking white clay as material
CN201032326Y (en) * 2007-04-16 2008-03-05 黄桂忠 Tail smoke suspension type bagasse drying tower
CN201087934Y (en) * 2007-02-06 2008-07-16 深圳职业技术学院 Automatic generation device for scheduling command ticket of intelligent power installation based on primary station-substation mode
CN102401546A (en) * 2010-09-07 2012-04-04 南宁天胜科技有限责任公司 Drying process of bagasse charged to boiler
US20150017594A1 (en) * 2013-07-09 2015-01-15 David Wilson Burning apparatus for a solid wood fueled process heating system
US20150113825A1 (en) * 2013-10-25 2015-04-30 Richard Goulet Drying cabinet for clothing and sports equipment

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2357301Y (en) * 1998-12-22 2000-01-05 钟其 Whirlwind drier
CN2546825Y (en) * 2002-06-11 2003-04-23 杜献军 High-efficiency energy-saving dryer
KR20050061355A (en) * 2003-12-16 2005-06-22 아무콘가부시끼가이샤 Drying device
CN1986472A (en) * 2006-12-12 2007-06-27 广西贵糖（集团）股份有限公司 Process of producing cement with papermaking white clay as material
CN201087934Y (en) * 2007-02-06 2008-07-16 深圳职业技术学院 Automatic generation device for scheduling command ticket of intelligent power installation based on primary station-substation mode
CN201032326Y (en) * 2007-04-16 2008-03-05 黄桂忠 Tail smoke suspension type bagasse drying tower
CN102401546A (en) * 2010-09-07 2012-04-04 南宁天胜科技有限责任公司 Drying process of bagasse charged to boiler
US20150017594A1 (en) * 2013-07-09 2015-01-15 David Wilson Burning apparatus for a solid wood fueled process heating system
US20150113825A1 (en) * 2013-10-25 2015-04-30 Richard Goulet Drying cabinet for clothing and sports equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107314618A (en) * 2017-06-01 2017-11-03 梁树钦 A kind of bagasse drying device
CN107513396A (en) * 2017-08-31 2017-12-26 榆林煤化工产业促进中心 A kind of fine coal drying oven dried based on packed bed and drying device and technique based on the drying oven

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SE01 Entry into force of request for substantive examination
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Application publication date: 20170104