CN105627722B - Tunnel-type hot air drier - Google Patents

Tunnel-type hot air drier Download PDF

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Publication number
CN105627722B
CN105627722B CN201610120305.5A CN201610120305A CN105627722B CN 105627722 B CN105627722 B CN 105627722B CN 201610120305 A CN201610120305 A CN 201610120305A CN 105627722 B CN105627722 B CN 105627722B
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CN
China
Prior art keywords
air
tunnel
screw feeder
hollow axle
shell
Prior art date
Application number
CN201610120305.5A
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Chinese (zh)
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CN105627722A (en
Inventor
吴水仙
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衢州市煜鑫农产品加工技术开发有限公司
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Priority to CN201610120305.5A priority Critical patent/CN105627722B/en
Publication of CN105627722A publication Critical patent/CN105627722A/en
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Publication of CN105627722B publication Critical patent/CN105627722B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/18Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
    • F26B17/20Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04Agitating, stirring, or scraping devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/02Biomass, e.g. waste vegetative matter, straw

Abstract

A kind of tunnel-type hot air drier, it is related to pre-processing device early period of biomass fuel, plate and shell are stirred including shaft, helical, board group is stirred into screw feeder by shaft and helical, shaft successively has drive joint, preceding spindle nose, hollow axle body and rear spindle nose from the front to the back, there is spaced wind distributing hole on the wall body of hollow axle body, helical stirs plate and is looped around on the outside of the wall body of hollow axle body in a spiral manner;Shell is the cylindrical structure of front and back perforation, space, which is constituted, in the cylinder of shell air-dries tunnel, there is helping for genesis analysis to turn over rib on the wall body for air-drying tunnel, which there is hopper access in the front for air-drying tunnel and pulls out air hose, to be picked out, and the rear portion for air-drying tunnel has discharge port to pick out;Screw feeder setting has air duct access in air-drying tunnel on follower head.The present invention applies in the preposition pretreatment process of agriculture and forestry organic waste material or domestic garbage gasification system, and hot wind is easier to penetrate among material by center disperse, is conducive to material and comes into full contact with hot wind, and material is made to be easier to be dried.

Description

Tunnel-type hot air drier

Technical field

The present invention relates to pre-processing devices early period of biomass fuel, are related specifically to the drying device of biomass fuel.

Background technique

Biomass fuel includes house refuse, agricultural wastes, forestry waste, timber residual processing object, water plant And energy-source plant.China's biomass resource is very rich, but cannot efficiently use, and has large quantities of stalks quilt in the form of burning the grass on waste land every year It incinerates, not only waste of resource, but also destroys ecological environment, large area, which is burnt the grass on waste land, will cause haze.House refuse is with state, China The continuous expansion of people's expanding economy and city size and increase sharply, currently, China handles house refuse mainly using landfill Method and incineration method, landfill method processing house refuse not only need to occupy a large amount of soil, waste of resource, and be easy contaminated land and Underground water;Domestic waste is handled using incineration method, house refuse is utilized as fuel, can accomplish minimizing, Recycling treatment house refuse, but waste incineration must discharge flue gas, pollute environment, contain carcinogenic violent in toxicity in flue gas Dioxin will accumulate in the environment, threaten people's health.

When agriculture and forestry organic waste material or house refuse are handled by gasification-liquefaction technology, it is converted into clean secondary energy Source can obtain dual beneficial effect, first is that can solve problem of environmental pollution, second is that can reduce to petroleum coal resources Dependence.But agriculture and forestry organic waste material or the moisture content of house refuse height, calorific value are low, so that processing cost greatly improves.Existing rubbish Rubbish power generation by waste combustion factory is that rubbish is stored certain time in storage is cheated to the preposition processing of garbage fuel, by compressing and sending out naturally Ferment effect, to reduce the water content of rubbish, the garbage fuel through handling in this way can't be utilized as the raw material of gasification furnace.

Summary of the invention

The present invention is to provide for a kind of heated-air drying equipment, agriculture and forestry organic waste material or house refuse is carried out efficient drying, greatly Width reduces water content, improves calorific value, is allowed to meet the ingredient requirement of gasification furnace, produces the synthesis gas of high-quality, to realize true Pollution-free and energy processing house refuse and agriculture and forestry organic waste material in positive meaning.

A kind of tunnel-type hot air drier of the invention, including shaft, helical stir plate and shell, it is characterized in that by shaft and Helical stirs board group into screw feeder 4, and shaft successively has drive joint 4-7, preceding spindle nose 4-6, hollow axle body 4-3 and rear spindle nose from the front to the back The interior space of 4-4, hollow axle body 4-3 constitute air compartment 4-5, and the air inlet of air compartment 4-5 is by the center rear spindle nose 4-4 axially through mouth Constitute, there is spaced wind distributing hole on the wall body of hollow axle body 4-3, helical stir plate 4-2 be looped around in a spiral manner it is hollow On the outside of the wall body of axle body 4-3;Shell 3 is the cylindrical structure of front and back perforation, has front end 12 in the front end of shell 3, in shell 3 Rear end have follower head 5, in the cylinder of shell 3 space constitute air-dry tunnel 3-6, air-dry tunnel 3-6 wall body on have it is vertical Rib 3-3 is turned over to helping for distribution, helping and turning over rib 3-3 is two or more, and the front for air-drying tunnel 3-6 has hopper 18 to access and pull out wind Pipe 2 picks out, and the rear portion for air-drying tunnel 3-6 has discharge port 3-5 to pick out;Screw feeder 4 is arranged in air-dried tunnel 3-6,4 shaft of screw feeder Preceding spindle nose 4-6 is mounted on the center of front end 12 by fore bearing 17, and the rear spindle nose 4-4 of 4 shaft of screw feeder is installed by rear bearing 6 At the center of follower head 5, there are the access of air duct 8, the axis that air duct 8 passes through the center rear spindle nose 4-4 of screw feeder 4 on follower head 5 Air compartment 4-5 is communicated to openings.

In the present invention, there is tuyere 4-1 to pick out on the hollow axle body 4-3 of screw feeder 4, tuyere 4-1 is the narrowed circular cone in outlet Shape structure, tuyere 4-1 are communicated to the air compartment 4-5 in hollow axle body 4-3 by wind distributing hole;Helical is stirred plate 4-2 and is connected with welding manner It connects on the wall body of hollow axle body 4-3;There is sprocket wheel 15 on the drive joint 4-7 of screw feeder 4.

Above-mentioned invention is applied in the preposition pretreatment process of agriculture and forestry organic waste material or domestic garbage gasification system, is used When, hot wind enters in the air compartment 4-5 in hollow axle body 4-3 from the center spindle nose 4-4 after the shaft of screw feeder 4 axially through mouth, Then it is permeated into the air-dried tunnel 3-6 in shell 3 by each wind distributing hole and tuyere 4-1;Driving motor is with chain transmission mode Rotate sprocket wheel 15, so that screw feeder 4 be driven to rotate, the screw feeder 4 of rotation is conveyed material from front end toward rear end, in the process of conveying In, helical stirs plate 4-2 and is stirred to material, turns over rib 3-3 due to helping on the wall body for air-drying tunnel 3-6, screw feeder 4 rotates When will with help turn over rib 3-3 carry out relative motion, keep material turning loose, be conducive to material and come into full contact with hot wind, bake out water Point, then moisture is drawn from pulling out in air hose 2 by hot wind, material is made to be easier to be dried.The hot wind is generated by system waste heat Or it is generated using solar energy.Agriculture and forestry organic waste material or house refuse are sent into gasification furnace and are converted by gasification reaction after being dried For synthesis gas, synthesis gas makees clean fuel and utilizes or make industrial chemicals utilization.

In foregoing invention, wind distributing hole is distributed on the tube wall of the hollow axle body 4-3 of screw feeder 4, hot wind is made to pass through hollow shaft Tuyere 4-1 on body 4-3 is distributed in air-dried tunnel 3-6, and hot wind is made by center disperse in the case where helical stirs plate 4-2 mated condition The hot wind of material loosening is easier to penetrate among material, is stirred by material, will not generate dead angle, therefore, drying efficiency It is high;Tuyere 4-1 is set on the hollow axle body 4-3 of screw feeder 4, tuyere 4-1 is made to be communicated to the interior of hollow axle body 4-3 by wind distributing hole Space avoids rubbish material from blocking wind distributing hole, and tuyere 4-1 is higher by the tube wall of hollow axle body 4-3, and tuyere 4-1 is what outlet narrowed Conical structure, the bore in exit are less than the diameter in air duct in tuyere 4-1, and the exit of tuyere 4-1, which stops, does not live sundries, because This, the outlet of tuyere 4-1, which narrows conical structure, to be had the characteristics that be not easy to plug;It is arranged on the wall body for air-drying tunnel 3-6 and helps Rib 3-3 is turned over, is without the use of splash bar, keeps screw feeder structure simple, its helical, which stirs plate 4-2 and helps, when screw feeder 4 rotates turns over rib 3-3 Relative motion is carried out, material overturning is promoted to roll, is easy material loose;The present invention is separately set in the front for air-drying tunnel 3-6 It sets hopper 18, pull out air hose 2, material is directly entered air-dried tunnel 3-6 from hopper 18, makes to pull out the reduction of 2 air inducing resistance of air hose, so that Hot wind fluent motion.

The beneficial effects of the present invention are: being answered in the preposition pretreatment process of agriculture and forestry organic waste material or domestic garbage gasification system With, agriculture and forestry organic waste material or house refuse in hot-air drying device with screw feeder agitation mode be dried, make hot wind by center Disperse, hot wind are easier to penetrate among material, are conducive to material and come into full contact with hot wind, and material is made to be easier to be dried.Agriculture After woods waste or house refuse are dry, calorific value is improved, the raw material as gasification furnace produces synthesis gas, and synthesis gas makees clean fuel Using or make industrial chemicals utilization, to realize that innoxious and energy truly disposes agriculture and forestry organic waste material or life rubbish Rubbish.

Detailed description of the invention

Fig. 1 is a kind of structure chart of tunnel-type hot air drier of the invention.

Fig. 2 is the A-A sectional view of Fig. 1.

In figure: 1. draw gas, and 2. pull out air hose, and 3. shells, 3-1. conveying mouth, 3-2. exhaust outlet, 3-3., which is helped, turns over rib, 3- 4. mounting flange after, 3-5. discharge port, 3-6. air-dry tunnel, mounting flange before 3-7., 4. screw feeders, 4-1. tuyere, 4-2. helical Stir plate, the hollow axle body of 4-3., spindle nose after 4-4., 4-5. air compartment, spindle nose before 4-6., 4-7. drive joint, 5. follower heads, 6. rear axles It holds, 7. hot winds, 8. air ducts, 8-1. connecting flange, bolt, fastening bolt after 10., 11. thermal currents, 12. front ends is installed after 9. Head, fastening bolt before 13. install bolt before 14., 15. sprocket wheels, 16. bearing covers, 17. fore bearings, 19. materials.

Specific embodiment

In the embodiment shown in FIG. 1 of embodiment 1, tunnel-type hot air drier is mainly by screw feeder 4, shell 3, hopper 18 It is formed with air hose 2 is pulled out, wherein screw feeder 4 stirs plate by shaft and helical and constitutes, and shaft successively has drive joint 4-7, preceding from the front to the back The interior space of spindle nose 4-6, hollow axle body 4-3 and rear spindle nose 4-4, hollow axle body 4-3 constitute air compartment 4-5, the air inlet of air compartment 4-5 By being constituted axially through mouth for the center rear spindle nose 4-4, there is spaced wind distributing hole on the wall body of hollow axle body 4-3, stirring There is tuyere 4-1 to pick out on the hollow axle body 4-3 of dragon 4, tuyere 4-1 is the narrowed conical structure in outlet, and tuyere 4-1 passes through cloth wind Hole is communicated to the air compartment 4-5 in hollow axle body 4-3, and helical stirs plate 4-2 and is looped around outside the wall body of hollow axle body 4-3 in a spiral manner Side, helical are stirred between plate 4-2 and the wall body of hollow axle body 4-3 and are attached with welding manner;Shell 3 is the cylinder of front and back perforation Body structure has front end 12 in the front end of shell 3, has follower head 5 in the rear end of shell 3, and space is constituted in the cylinder of shell 3 Tunnel 3-6 is air-dried, has helping for four genesis analysis to turn over rib 3-3 on the wall body for air-drying tunnel 3-6, helping and turning over rib 3-3 is two More than root, which there is the access of hopper 18 in the front for air-drying tunnel 3-6 and pulls out air hose 2, to be picked out, and there is discharge port 3- at the rear portion for air-drying tunnel 3-6 5 pick out;Screw feeder 4 is arranged in air-dried tunnel 3-6, and the preceding spindle nose 4-6 of 4 shaft of screw feeder is mounted on front end 12 by fore bearing 17 Center, the rear spindle nose 4-4 of 4 shaft of screw feeder is mounted on the center of follower head 5 by rear bearing 6, has air duct on follower head 5 8 accesses, air duct 8 axially through mouth are communicated to air compartment 4-5 by the center spindle nose 4-4 after screw feeder 4;It is connect in the transmission of screw feeder 4 There is sprocket wheel 15 on head 4-7.

The present embodiment is applied in the preposition pretreatment process of agriculture and forestry organic waste material or domestic garbage gasification system, in use, Hot wind enters in the air compartment 4-5 in hollow axle body 4-3 from the center spindle nose 4-4 after the shaft of screw feeder 4 axially through mouth, then It is permeated into the air-dried tunnel 3-6 in shell 3 by each wind distributing hole and tuyere 4-1;Driving motor makes chain with chain transmission mode 15 rotation of wheel, so that screw feeder 4 be driven to rotate, the screw feeder 4 of rotation is conveyed material from front end toward rear end, during conveying, Helical stirs plate 4-2 and is stirred to material, rib 3-3 is turned over due to helping on the wall body for air-drying tunnel 3-6, when screw feeder 4 rotates Rib 3-3 progress relative motion will be turned over helping, and keep material turning loose, material is come into full contact with hot wind, bakes out moisture, is made Material is dried.Hot wind containing moisture is drawn by pulling out air hose 2, is discharged into atmosphere after dehydration, deodorization and sterilization.Agricultural are discarded Object or house refuse are sent into gasification furnace by gasification reaction and are converted into synthesis gas, synthesis gas makees clean fuel after being dried Using or make industrial chemicals utilization.In the present embodiment, hot wind is generated or by the waste heat of gasification system in process of production using too Sun can generate.

Claims (3)

1. a kind of tunnel-type hot air drier, be related to pre-processing device early period of biomass fuel, including shaft, helical stir plate and Shell, it is characterized in that stirring board group at screw feeder (4) by shaft and helical, shaft successively has drive joint (4-7), front axle from the front to the back The interior space of head (4-6), hollow axle body (4-3) and rear spindle nose (4-4), hollow axle body (4-3) constitutes air compartment (4-5), air compartment (4- 5) air inlet is made of the center rear spindle nose (4-4) axially through mouth, has interval to be arranged on the wall body of hollow axle body (4-3) Wind distributing hole, on the hollow axle body (4-3) of screw feeder (4) be arranged tuyere (4-1), be communicated to tuyere (4-1) by wind distributing hole The interior space of hollow axle body (4-3), tuyere (4-1) are higher by the tube wall of hollow axle body (4-3), and tuyere (4-1) is what outlet narrowed Conical structure, the bore in exit are less than the diameter in the interior air duct tuyere (4-1), and the outlet of tuyere (4-1) narrows cone knot Structure has the characteristics that be not easy to plug;Helical stirs plate (4-2) and is looped around on the outside of the wall body of hollow axle body (4-3) in a spiral manner;Shell Body (3) is the cylindrical structure of front and back perforation, has front end (12) in the front end of shell (3), has rear end in the rear end of shell (3) Head (5), space, which is constituted, in the cylinder of shell (3) air-dries tunnel (3-6), there is longitudinal point on the wall body for air-drying tunnel (3-6) Rib (3-3) is turned in helping for cloth, and helping and turning over rib (3-3) is two or more, and when screw feeder (4) rotate, its helical stirs plate (4-2) and helps It turns over rib (3-3) and carries out relative motion, material overturning is promoted to roll, be easy material loose, the front for air-drying tunnel (3-6) has Hopper (18) accesses and pulls out air hose (2) and picks out, and the rear portion for air-drying tunnel (3-6) has discharge port (3-5) to pick out;Screw feeder (4) setting In air-dried tunnel (3-6), the preceding spindle nose (4-6) of screw feeder (4) shaft is mounted in front end (12) by fore bearing (17) The heart, the rear spindle nose (4-4) of screw feeder (4) shaft are mounted on the center of follower head (5) by rear bearing (6), had on follower head (5) Air duct (8) access, air duct (8) are communicated to air compartment (4- axially through mouth by center rear spindle nose (4-4) of screw feeder (4) 5).
2. a kind of tunnel-type hot air drier according to claim 1, it is characterized in that helical stirs plate (4-2) with welding manner It is connected on the wall body of hollow axle body (4-3).
3. a kind of tunnel-type hot air drier according to claim 1, it is characterized in that in the drive joint (4- of screw feeder (4) 7) there are sprocket wheel (15) on.
CN201610120305.5A 2016-03-04 2016-03-04 Tunnel-type hot air drier CN105627722B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610120305.5A CN105627722B (en) 2016-03-04 2016-03-04 Tunnel-type hot air drier

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CN105627722A CN105627722A (en) 2016-06-01
CN105627722B true CN105627722B (en) 2019-04-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108192669B (en) * 2018-01-26 2020-09-15 浙江麦知网络科技有限公司 Biomass drying and gasifying device
DE102018122406B3 (en) * 2018-09-13 2020-01-16 Reinhard Stimmler The recycling apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2370359Y (en) * 1999-03-09 2000-03-22 张鸿飞 Turbogrid rotary drier
CN2402986Y (en) * 1999-12-09 2000-10-25 陈荣光 Drum mud dryer
JP4539329B2 (en) * 2004-12-28 2010-09-08 宣明 出張 Reduced pressure continuous pyrolysis apparatus and reduced pressure continuous pyrolysis method
CN100483056C (en) * 2007-12-28 2009-04-29 青海洁神环境能源产业有限公司 Kitchen garbage drying device and method
CN201243962Y (en) * 2008-05-23 2009-05-27 杨树成 Material cup
CN202902795U (en) * 2012-09-14 2013-04-24 安徽省淮北市农药厂 Powder drying machine
CN204255034U (en) * 2014-11-11 2015-04-08 界首市鑫豪塑胶有限公司 A kind of plastic grain drying device
CN205373352U (en) * 2016-03-04 2016-07-06 衢州市煜鑫农产品加工技术开发有限公司 Convective tunnel drier

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