CN105588421B - A kind of tunnel type drying device - Google Patents

A kind of tunnel type drying device Download PDF

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Publication number
CN105588421B
CN105588421B CN201610120307.4A CN201610120307A CN105588421B CN 105588421 B CN105588421 B CN 105588421B CN 201610120307 A CN201610120307 A CN 201610120307A CN 105588421 B CN105588421 B CN 105588421B
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CN
China
Prior art keywords
shaft
screw feeder
air
tunnel
shell
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Application number
CN201610120307.4A
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Chinese (zh)
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CN105588421A (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 CN201610120307.4A priority Critical patent/CN105588421B/en
Publication of CN105588421A publication Critical patent/CN105588421A/en
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Publication of CN105588421B publication Critical patent/CN105588421B/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
    • F26B25/02Applications of driving mechanisms, not covered by another subclass
    • 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

Abstract

A kind of tunnel type drying device, 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, respectively there is rotational support unit in the rear and front end of shaft, there is hollow shaft body in shaft, there is spaced wind distributing hole on the wall body of hollow axle body;Shell is the cylindrical structure of front and back perforation, and space, which is constituted, in the cylinder of shell air-dries tunnel, helps on the wall body for air-drying tunnel and turns over rib, and there is conveying mouth access in the front for air-drying tunnel, and the rear portion for air-drying tunnel has discharge port to pick out;In air-drying tunnel, the rotational support unit of screw feeder shaft rear and front end is separately mounted to the cylinder both ends of shell, has air duct access in screw feeder shaft rear end for screw feeder setting.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

A kind of tunnel type drying device

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 drying device of the invention, including shaft, helical stir plate and shell, it is characterized in that by shaft and spiral shell Line stirs board group into screw feeder 4, and respectively there is rotational support component in the rear and front end of shaft, has hollow shaft body 4-3 in shaft, in hollow axle body There is spaced wind distributing hole on the wall body of 4-3, helical stirs plate 4-2 and is looped around outside the wall body of hollow axle body 4-3 in a spiral manner There are drive joint 4-7 in side, the front end of shaft, and there is air inlet in the rear end of shaft;Shell 3 is the cylindrical structure of front and back perforation, shell Space, which is constituted, in the cylinder of body 3 air-dries tunnel 3-5, has helping for genesis analysis to turn over rib 3- on the wall body for air-drying tunnel 3-5 2, helping and turning over rib 3-2 is two or more, and there is conveying mouth 3-1 access in the front for air-drying tunnel 3-5, and the rear portion for air-drying tunnel 3-5 has Discharge port 3-4 is picked out;Screw feeder 4 is arranged in air-dried tunnel 3-5, and the rotational support component of 4 shaft rear and front end of screw feeder is pacified respectively Mounted in the cylinder both ends of shell 3, there is the access of air duct 7 on the rotational support component of 4 shaft rear end of screw feeder, air duct 7 is logical The air inlet for crossing 4 shaft rear end of screw feeder is communicated to the interior space of hollow axle body 4-3.

In the present invention, spindle nose 4-6 before having between the drive joint 4-7 and hollow axle body 4-3 of 4 shaft front end of screw feeder is stirred The rotational support component of imperial 4 shaft front ends includes the preceding spindle nose 4-6 of 4 shaft of front end 12, fore bearing 17 and screw feeder, and 4 turns of screw feeder The preceding spindle nose 4-6 of axis is mounted in fore bearing 17, and fore bearing 17 is mounted on the center of front end 12, and front end 12 is mounted on shell 3 cylinder front end;There is rear spindle nose 4-4 in the rear end of 4 shaft of screw feeder, and the rotational support component of 4 shaft rear end of screw feeder includes rear end First 5, the rear spindle nose 4-4 of the rear spindle nose 4-4 of 4 shaft of rear bearing 6 and screw feeder, 4 shaft of screw feeder are mounted in rear bearing 6, rear bearing 6 It is mounted in follower head 5, follower head 5 is mounted on the cylinder rear end of shell 3;There is tuyere 4- on the hollow axle body 4-3 of screw feeder 4 1 picks out, and tuyere 4-1 is the narrowed conical structure in outlet, and tuyere 4-1 is communicated to the interior sky of hollow axle body 4-3 by wind distributing hole Between;Helical is stirred plate 4-2 and is connected on the wall body of hollow axle body 4-3 with welding manner;There is chain on the drive joint 4-7 of screw feeder 4 Wheel 15;Air hose 18 is pulled out above the conveying mouth 3-1 for air-drying the front tunnel 3-5, air hose 18 is pulled out and doubles as conveying channel and air-exhausting duct, There is the access of hopper 19 on pulling out air hose 18.

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, then hot wind passes through each wind distributing hole and tuyere 4-1 from the interior space that the shaft rear end of screw feeder 4 enters hollow axle body 4-3 It permeates into the air-dried tunnel 3-5 in shell 3;Driving motor rotates sprocket wheel 15 with chain transmission mode, to drive screw feeder 4 The screw feeder 4 of rotation, rotation is conveyed material from front end toward rear end, and during conveying, helical stirs plate 4-2 and stirs material It mixes, turns over rib 3-2 due to helping on the wall body for air-drying tunnel 3-5, rib 3-2 progress will be turned over relatively with helping when screw feeder 4 rotates Movement, keeps material turning loose, is conducive to material and comes into full contact with hot wind, bake out moisture, then moisture is taken away by hot wind, is made Material is easier to be dried.The hot wind is generated by system waste heat or is generated using solar energy.Agriculture and forestry organic waste material or house refuse After being dried, gasification furnace is sent by gasification reaction and is converted into synthesis gas, synthesis gas makees clean fuel and utilizes or make chemical industry Raw material utilizes.

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 3-5, and hot wind is stirred plate 4-2 and helped and turned over rib 3-2 by center disperse in helical Under mated condition, make the hot wind of material loosening be easier to penetrate among material, be stirred by material, dead angle will not be generated, Therefore, drying efficiency 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 sky by wind distributing hole The interior space of mandrel body 4-3, avoids rubbish material from blocking wind distributing hole, and tuyere 4-1 is higher by the tube wall of hollow axle body 4-3, tuyere 4-1 To export narrowed conical structure, the bore in exit is less than the diameter in air duct in tuyere 4-1, and the exit of tuyere 4-1 is stopped Incessantly sundries is stayed, therefore, the outlet of tuyere 4-1, which narrows conical structure, to be had the characteristics that be not easy to plug;Air-drying tunnel 3-5's Setting, which helps, on wall body turns over rib 3-2, is without the use of splash bar, keeps screw feeder structure simple, its helical stirs plate 4-2 when screw feeder 4 rotates Rib 3-2 progress relative motion is turned over helping, promotes material overturning to roll, is easy material loose.

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 drying device of the invention.

Fig. 2 is the local structural graph of tunnel type drying device of the invention.

Fig. 3 is the A-A sectional view of Fig. 1.

In figure: 1. materials, 2. draw gas, and 3. shells, 3-1. conveying mouth, 3-2., which is helped, turns over rib, mounting flange after 3-3., 3-4. discharge port, 3-5. air-dry tunnel, mounting flange before 3-6., 4. screw feeders, 4-1. tuyere, and 4-2. helical stirs plate, and 4-3. is hollow Axle body, spindle nose after 4-4., 4-5. air compartment, spindle nose before 4-6., 4-7. drive joint, 5. follower heads, 6. rear bearings, 7. air ducts, 7-1. connecting flange, 8. hot winds install bolt after 9., fastening bolt after 10., 11. thermal currents, 12. front ends, fasten before 13. Bolt, installs bolt before 14., 15. sprocket wheels, 16. bearing covers, 17. fore bearings, and 18. pull out air hose, and 18-1. pulls out wind channel, and 19. Hopper, 19-1. feed inlet.

Specific embodiment

In 1 Fig. 1 of embodiment and embodiment shown in Fig. 2, tunnel type drying device mainly by screw feeder 4, shell 3 and pulls out wind Pipe 18 forms, wherein screw feeder 4 stirs plate by shaft and helical and constitutes, and successively has drive joint 4-7, front axle in shaft from the front to the back Head 4-6, hollow axle body 4-3 and rear spindle nose 4-4, helical stir plate 4-2 and are looped around outside the wall body of hollow axle body 4-3 in a spiral manner Side, helical are stirred plate 4-2 and are connected on the wall body of hollow axle body 4-3 with welding manner, and the interior space of hollow axle body 4-3 constitutes air compartment The air inlet of 4-5, air compartment 4-5 are made of the center rear spindle nose 4-4 axially through mouth, between having on the wall body of hollow axle body 4-3 Every the wind distributing hole of setting, wind distributing hole and helical stir the setting of plate 4-2 staggered positions, have tuyere 4- on the hollow axle body 4-3 of screw feeder 4 1 picks out, and tuyere 4-1 is the narrowed conical structure in outlet, and tuyere 4-1 is communicated to the interior sky of hollow axle body 4-3 by wind distributing hole Between;Shell 3 is the cylindrical structure of front and back perforation, and space, which is constituted, in the cylinder of shell 3 air-dries tunnel 3-5, in air-dried tunnel There is helping for four genesis analysis to turn over rib 3-2 on the wall body of 3-5, there is conveying mouth 3-1 access in the front for air-drying tunnel 3-5, air-dries The rear portion of tunnel 3-5 has discharge port 3-4 to pick out;Screw feeder 4 is arranged in air-dried tunnel 3-5, and the rear and front end of 4 shaft of screw feeder respectively has Rotational support component, before the rotational support component of 4 shaft front end of screw feeder includes 4 shaft of front end 12, fore bearing 17 and screw feeder The preceding spindle nose 4-6 of spindle nose 4-6,4 shaft of screw feeder are mounted in fore bearing 17, and fore bearing 17 is mounted on the center of front end 12, preceding End 12 is mounted on the cylinder front end of shell 3;The rotational support component of 4 shaft rear end of screw feeder includes follower head 5, rear bearing 6 It is mounted in rear bearing 6 with the rear spindle nose 4-4 of the rear spindle nose 4-4 of 4 shaft of screw feeder, 4 shaft of screw feeder, rear bearing 6 is mounted on rear end In first 5, follower head 5 is mounted on the cylinder rear end of shell 3;There is air duct 7 on the rotational support component of 4 shaft rear end of screw feeder Access, air duct 7 are communicated to the interior space of hollow axle body 4-3 by the air inlet of 4 shaft rear end of screw feeder;In the transmission of screw feeder 4 There is sprocket wheel 15 on connector 4-7;Air hose 18 is pulled out above the conveying mouth 3-1 for air-drying the front tunnel 3-5, pulls out air hose 18 as conveying Channel and air-exhausting duct have the access of hopper 19 on pulling out air hose 18.

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 is from the interior space that the shaft rear end of screw feeder 4 enters hollow axle body 4-3, then more by each wind distributing hole and tuyere 4-1 It is scattered in the air-dried tunnel 3-5 in shell 3;Driving motor rotates sprocket wheel 15 with chain transmission mode, to drive 4 turns of screw feeder Dynamic, the screw feeder 4 of rotation is conveyed material from front end toward rear end, and during conveying, helical stirs plate 4-2 and stirs material Mix, screw feeder 4 rotate when with help turn over rib 3-2 carry out relative motion, keep material turning loose, material is sufficiently connect with hot wind Touching, bakes out moisture, dries material.Hot wind containing moisture is drawn by pulling out air hose 18, through dehydration, deodorization and sterilization heel row Enter atmosphere.Agriculture and forestry organic waste material or house refuse are sent into gasification furnace by gasification reaction and are converted into synthesis gas, close after being dried Make clean fuel at gas and utilizes or make industrial chemicals utilization.In the present embodiment, hot wind by gasification system in process of production more than Heat is generated or is generated using solar energy.

Claims (4)

1. a kind of tunnel type drying device is related to pre-processing device early period of biomass fuel, including shaft, helical stir plate and shell Body, it is characterized in that stir board group at screw feeder (4) by shaft and helical, respectively there is a rotational support component in the rear and front end of shaft, in shaft There is hollow shaft body (4-3), there is spaced wind distributing hole on the wall body of hollow axle body (4-3), in the hollow axle body of screw feeder (4) Tuyere (4-1) is set on (4-3), tuyere (4-1) is made to be communicated to the interior space of hollow axle body (4-3), tuyere (4- by wind distributing hole 1) it is higher by the tube wall of hollow axle body (4-3), tuyere (4-1) is the narrowed conical structure in outlet, and the bore in exit is less than wind The diameter in the interior air duct mouth (4-1), the outlet of tuyere (4-1), which narrows conical structure, to be had the characteristics that be not easy to plug;Helical stirs plate (4-2) is looped around in a spiral manner on the outside of the wall body of hollow axle body (4-3), and the front end of shaft has drive joint (4-7), shaft There is air inlet in rear end;Shell (3) is the cylindrical structure of front and back perforation, and space, which is constituted, in the cylinder of shell (3) air-dries tunnel (3-5), air-dry tunnel (3-5) wall body on there is helping for genesis analysis to turn over rib (3-2), help turn over rib (3-2) be two with On, screw feeder (4) rotate when with help turn over rib (3-2) carry out relative motion, keep material turning loose, air-dry tunnel (3-5) before There is conveying mouth (3-1) access in portion, and the rear portion for air-drying tunnel (3-5) has discharge port (3-4) to pick out;Screw feeder (4) is arranged in air-dried tunnel In road (3-5), the rotational support component of screw feeder (4) shaft rear and front end is separately mounted to the cylinder both ends of shell (3), stirring Have air duct (7) access on the rotational support component of imperial (4) shaft rear end, air duct (7) by screw feeder (4) shaft rear end into Air port is communicated to the interior space of hollow axle body (4-3);Air hose is pulled out above the conveying mouth (3-1) for air-drying the front tunnel (3-5) (18), air hose (18) are pulled out as conveying channel and air-exhausting duct, there is hopper (19) access on pulling out air hose (18).
2. a kind of tunnel type drying device according to claim 1, it is characterized in that the transmission in screw feeder (4) shaft front end connects Have preceding spindle nose (4-6) between head (4-7) and hollow axle body (4-3), the rotational support component of screw feeder (4) shaft front end includes front end The preceding spindle nose (4-6) of head (12), fore bearing (17) and screw feeder (4) shaft, before the preceding spindle nose (4-6) of screw feeder (4) shaft is mounted on In bearing (17), fore bearing (17) is mounted on the center of front end (12), before front end (12) is mounted on the cylinder of shell (3) End;The rear end of screw feeder (4) shaft has rear spindle nose (4-4), the rotational support component of screw feeder (4) shaft rear end include follower head (5), The rear spindle nose (4-4) of the rear spindle nose (4-4) of rear bearing (6) and screw feeder (4) shaft, screw feeder (4) shaft is mounted on rear bearing (6) In, rear bearing (6) is mounted in follower head (5), and follower head (5) is mounted on the cylinder rear end of shell (3).
3. a kind of tunnel type drying device according to claim 1 is connected it is characterized in that helical stirs plate (4-2) with welding manner It connects on the wall body of hollow axle body (4-3).
4. a kind of tunnel type drying device according to claim 1, it is characterized in that the drive joint (4-7) in screw feeder (4) On have sprocket wheel (15).
CN201610120307.4A 2016-03-04 2016-03-04 A kind of tunnel type drying device CN105588421B (en)

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CN201610120307.4A CN105588421B (en) 2016-03-04 2016-03-04 A kind of tunnel type drying device

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Application Number Priority Date Filing Date Title
CN201610120307.4A CN105588421B (en) 2016-03-04 2016-03-04 A kind of tunnel type drying device

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CN105588421B true CN105588421B (en) 2019-04-09

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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
CN109028905A (en) * 2018-07-09 2018-12-18 芜湖喜源味食品有限公司 A kind of continuous drying apparatus to food processing

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