CN205373352U - Convective tunnel drier - Google Patents
Convective tunnel drier Download PDFInfo
- Publication number
- CN205373352U CN205373352U CN201620162519.4U CN201620162519U CN205373352U CN 205373352 U CN205373352 U CN 205373352U CN 201620162519 U CN201620162519 U CN 201620162519U CN 205373352 U CN205373352 U CN 205373352U
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- Prior art keywords
- air
- tunnel
- screw feeder
- hollow axle
- axle body
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- Expired - Fee Related
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- Processing Of Solid Wastes (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a convective tunnel drier, relates to biomass fuel's earlier stage preprocessing equipment, stirs board and casing including pivot, spire, stirs the board by pivot and spire and forms the screw feeder, the pivot has transmission joints, preceding spindle nose, hollow axle body and a back spindle nose by preceding backward in proper order, has the cloth wind hole of interval setting on the wall body of hollow axle body, the spire stir the board with the spiral mode outside the wall body at hollow axle body, the cylinder structure that the casing link up around for, the cylinder inner space of casing constitute air -dries the tunnel, has helping of longitudinal distribution to turn over the rib on the wall body that air -dries the tunnel, and the front portion of air -drying the tunnel has the hopper to insert and pull out the tuber pipe and connect out, and the rear portion of air -drying the tunnel has the discharge gate to connect out, the screw feeder sets up in air -drying the tunnel, has supply duct to insert in that the rear end is overhead. The utility model discloses use in agriculture and forestry discarded object or domestic waste gasification system's leading pretreatment procedure, hot -blast by central disperse, change permeate the material among, be favorable to material and hot -blast abundant contact, make the material more easily by the drying.
Description
Technical field
This utility model relates to the early stage pre-processing device of biomass fuel, is related specifically to the drying device of biomass fuel.
Background technology
Biomass fuel includes house refuse, agricultural wastes, forestry waste, timber residual processing thing, water plant and energy-source plant.China's biomass resource is very abundant, but can not effectively utilize, and has large quantities of straw to be incinerated with the form of burning the grass on waste land every year, not only wastes resource, and destroys ecological environment, and large area is burnt the grass on waste land and be will result in haze.House refuse increases sharply along with development and constantly the expanding of city size of Chinese national economy, currently, China processes house refuse and mainly adopts landfill method and burning method, and landfill method processes house refuse and not only needs to take substantial amounts of soil, waste resource, and easy contaminated land and subsoil water；Burning method is adopted to process domestic waste, house refuse is utilized as fuel, minimizing, recycling treatment house refuse can be accomplished, but waste incineration must discharge flue gas, pollute environment, its flue gas will accumulate in the environment containing carcinogenic violent in toxicity two English, threaten people healthy.
When agriculture and forestry organic waste material or house refuse are processed by gasification-liquefaction technology, being converted into the secondary energy sources of cleaning, it is possible to obtain dual beneficial effect, one is to solve problem of environmental pollution, and two is to reduce the dependence to oil coal resources.But the moisture content of agriculture and forestry organic waste material or house refuse is high, calorific value is low so that processing cost is greatly improved.The preposition process of garbage fuel is that by compression and Fermentation naturally, to reduce the water content of rubbish, the garbage fuel through so processing can't utilize as the raw material of gasification furnace by rubbish storage certain time in storage hole by existing garbage incinerating power plant.
Utility model content
This utility model is to provide for a kind of hot air drying equipment, agriculture and forestry organic waste material or house refuse are carried out efficient drying, water content is greatly reduced, improves calorific value, so as to meet the ingredient requirement of gasification furnace, produce the synthesis gas of high-quality, thus realizing pollution-free and energy truly to process house refuse and agriculture and forestry organic waste material.
A kind of tunnel-type hot air exsiccator of the present utility model, plate and housing is stirred including rotating shaft, helical, it is characterized in that being stirred plate by rotating shaft and helical forms screw feeder 4, rotating shaft is by having drive joint 4-7, front spindle nose 4-6, hollow axle body 4-3 and rear spindle nose 4-4 after forward direction successively, the interior space of hollow axle body 4-3 constitutes air compartment 4-5, the air inlet of air compartment 4-5 is made up of axially through mouth rear spindle nose 4-4 center, having spaced wind distributing hole on the wall body of hollow axle body 4-3, helical stirs plate 4-2 and is looped around in a spiral manner outside the wall body of hollow axle body 4-3；Housing 3 is the cylindrical structure that front and back are through, front end 12 is had in the front end of housing 3, follower head 5 is had in the rear end of housing 3, the cylinder intracorporeal space of housing 3 constitutes air-dry tunnel 3-6, the wall body of air-dry tunnel 3-6 there is helping of genesis analysis turn over rib 3-3, helping and turning over rib 3-3 is more than two, and the front portion of air-dry tunnel 3-6 has hopper 18 to access and pull out airduct 2 to pick out, and the rear portion of air-dry tunnel 3-6 has discharging opening 3-5 to pick out；Screw feeder 4 is arranged in air-dry tunnel 3-6, the front spindle nose 4-6 of screw feeder 4 rotating shaft is arranged on the center of front end 12 by fore bearing 17, the rear spindle nose 4-4 of screw feeder 4 rotating shaft is arranged on the center of follower head 5 by rear bearing 6, follower head 5 has and accesses for airduct 8, be communicated to air compartment 4-5 by the rear spindle nose 4-4 center of screw feeder 4 axially through mouth for airduct 8.
In this utility model, having tuyere 4-1 to pick out on the hollow axle body 4-3 of screw feeder 4, tuyere 4-1 is the conical structure that outlet narrows, and tuyere 4-1 is communicated to the air compartment 4-5 in hollow axle body 4-3 by wind distributing hole；Helical stirs plate 4-2 and is connected on the wall body of hollow axle body 4-3 with welding manner；The drive joint 4-7 of screw feeder 4 has sprocket wheel 15.
Above-mentioned utility model is applied in the preposition pretreatment process of agriculture and forestry organic waste material or domestic garbage gasification system, during use, hot blast from the entering into the air compartment 4-5 in hollow axle body 4-3 axially through mouth of spindle nose 4-4 center after the rotating shaft of screw feeder 4, then passes through each wind distributing hole and in air-dry tunnel 3-6 that tuyere 4-1 permeates in housing 3；Drive motor makes sprocket wheel 15 rotate with chain transmission mode, thus driving screw feeder 4 to rotate, 4 materials of screw feeder rotated are carried from front end toward rear end, in the process of conveying, helical stirs plate 4-2 and material is stirred, rib 3-3 is turned over owing to helping on the wall body of air-dry tunnel 3-6, rib 3-3 will be turned over carry out relative motion with helping when screw feeder 4 rotates, make material turning loose, material and hot blast is conducive to be fully contacted, bake out moisture, then by hot blast moisture from pull out airduct 2 draw, make material be easier to be dried.Described hot blast is produced by system waste heat or utilizes solar energy to produce.After agriculture and forestry organic waste material or house refuse drying process, sending into gasification furnace and be converted into synthesis gas by gasification reaction, synthesis gas is made cleaning fuel utilization or does industrial chemicals utilization.
In above-mentioned utility model, on the tube wall of the hollow axle body 4-3 of screw feeder 4, distribution has wind distributing hole, hot blast is made to be distributed in air-dry tunnel 3-6 by the tuyere 4-1 on hollow axle body 4-3, hot blast, by center disperse, stirs under plate 4-2 mated condition at helical, makes the hot blast of material loosening be more easy to and penetrates among material, it is stirred by material, will not producing dead angle, therefore, drying efficiency is high；The hollow axle body 4-3 of screw feeder 4 arranges tuyere 4-1, tuyere 4-1 is made to be communicated to the interior space of hollow axle body 4-3 by wind distributing hole, avoid rubbish material blocking wind distributing hole, tuyere 4-1 exceeds the tube wall of hollow axle body 4-3, tuyere 4-1 is the conical structure that outlet narrows, and the bore in exit is less than the diameter in air channel in tuyere 4-1, and the exit of tuyere 4-1 stops incessantly foreign material, therefore, the outlet of tuyere 4-1 narrows conical structure and has the advantages that to be not easily blocked；Arranging on the wall body of air-dry tunnel 3-6 and help and turn over rib 3-3, do not need to use splash bar, make screw feeder simple in construction, when screw feeder 4 rotates, its helical stirs plate 4-2 and turns over rib 3-3 carry out relative motion with helping, and promotes materials overturning to roll, makes material easily loose；This utility model is provided separately hopper 18 in the front portion of air-dry tunnel 3-6, pulls out airduct 2, and material is directly entered air-dry tunnel 3-6 from hopper 18, makes to pull out airduct 2 air inducing resistance and reduces, so that hot blast fluent motion.
The beneficial effects of the utility model are: apply in the preposition pretreatment process of agriculture and forestry organic waste material or domestic garbage gasification system, agriculture and forestry organic waste material or house refuse are stirred mode with screw feeder in hot-air drying device be dried, make hot blast by center disperse, hot blast is more easy to and penetrates among material, be conducive to material and hot blast to be fully contacted, make material be easier to be dried.Dried to agriculture and forestry organic waste material or house refuse, improve calorific value, as the raw material production synthesis gas of gasification furnace, synthesis gas is made cleaning fuel utilization or does industrial chemicals utilization, thus realizing innoxious and energy truly to dispose agriculture and forestry organic waste material or house refuse.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of tunnel-type hot air exsiccator of the present utility model.
Fig. 2 is the A-A profile of Fig. 1.
nullIn figure: 1. draw gas，2. pull out airduct，3. housing，3-1. conveying mouth，3-2. exhaust outlet，3-3. helps and turns over rib，Mounting flange after 3-4.，3-5. discharging opening，The air-dry tunnel of 3-6.，Mounting flange before 3-7.，4. screw feeder，4-1. tuyere，4-2. helical stirs 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 head，6. rear bearing，7. hot blast，8. for airduct，8-1. adpting flange，9. bolt is installed after，10. after, fasten bolt，11. thermal current，12. front end，13. front fastening bolt，14. front installation bolt，15. sprocket wheel，16. bearing cover，17. fore bearing，18. hopper，19. material.
Detailed description of the invention
nullIn embodiment shown in embodiment 1 Fig. 1，Tunnel-type hot air exsiccator is mainly by screw feeder 4、Housing 3、Hopper 18 and pull out airduct 2 and form，Wherein，Screw feeder 4 is stirred plate by rotating shaft and helical and constitutes，Rotating shaft is by there being drive joint 4-7 after forward direction successively、Front spindle nose 4-6、Hollow axle body 4-3 and rear spindle nose 4-4，The interior space of hollow axle body 4-3 constitutes air compartment 4-5，The air inlet of air compartment 4-5 is made up of axially through mouth rear spindle nose 4-4 center，The wall body of hollow axle body 4-3 there is spaced wind distributing hole，The hollow axle body 4-3 of screw feeder 4 there is tuyere 4-1 to pick out，Tuyere 4-1 is the conical structure that outlet narrows，Tuyere 4-1 is communicated to the air compartment 4-5 in hollow axle body 4-3 by wind distributing hole，Helical stirs plate 4-2 and is looped around in a spiral manner outside the wall body of hollow axle body 4-3，Helical stirs and is attached with welding manner between the wall body of plate 4-2 and hollow axle body 4-3；Housing 3 is the cylindrical structure that front and back are through, front end 12 is had in the front end of housing 3, follower head 5 is had in the rear end of housing 3, the cylinder intracorporeal space of housing 3 constitutes air-dry tunnel 3-6, the wall body of air-dry tunnel 3-6 there is helping of four genesis analysis turn over rib 3-3, helping and turning over rib 3-3 is more than two, and the front portion of air-dry tunnel 3-6 has hopper 18 to access and pull out airduct 2 to pick out, and the rear portion of air-dry tunnel 3-6 has discharging opening 3-5 to pick out；Screw feeder 4 is arranged in air-dry tunnel 3-6, the front spindle nose 4-6 of screw feeder 4 rotating shaft is arranged on the center of front end 12 by fore bearing 17, the rear spindle nose 4-4 of screw feeder 4 rotating shaft is arranged on the center of follower head 5 by rear bearing 6, follower head 5 has and accesses for airduct 8, for airduct 8 by after screw feeder 4 spindle nose 4-4 center be communicated to air compartment 4-5 axially through mouth；The drive joint 4-7 of screw feeder 4 has sprocket wheel 15.
The present embodiment is applied in the preposition pretreatment process of agriculture and forestry organic waste material or domestic garbage gasification system, during use, hot blast from the entering into the air compartment 4-5 in hollow axle body 4-3 axially through mouth of spindle nose 4-4 center after the rotating shaft of screw feeder 4, then passes through each wind distributing hole and in air-dry tunnel 3-6 that tuyere 4-1 permeates in housing 3；Drive motor makes sprocket wheel 15 rotate with chain transmission mode, thus driving screw feeder 4 to rotate, 4 materials of screw feeder rotated are carried from front end toward rear end, and in the process of conveying, helical stirs plate 4-2 and material is stirred, rib 3-3 is turned over owing to helping on the wall body of air-dry tunnel 3-6, to turn over rib 3-3 carry out relative motion with helping when screw feeder 4 rotates, and make material turning loose, material and hot blast are fully contacted, bake out moisture, make material be dried.Hot blast containing moisture is drawn by pulling out airduct 2, enters air after dehydration, deodorization and sterilization.After agriculture and forestry organic waste material or house refuse drying process, sending into gasification furnace and be converted into synthesis gas by gasification reaction, synthesis gas is made cleaning fuel utilization or does industrial chemicals utilization.In the present embodiment, hot blast is produced by gasification system waste heat in process of production or utilizes solar energy to produce.
Claims (4)
1. a tunnel-type hot air exsiccator, including rotating shaft, helical stirs plate and housing, it is characterized in that being stirred plate by rotating shaft and helical forms screw feeder (4), rotating shaft is by there being drive joint (4-7) after forward direction successively, front spindle nose (4-6), hollow axle body (4-3) and rear spindle nose (4-4), the interior space of hollow axle body (4-3) constitutes air compartment (4-5), air inlet the constituting axially through mouth by rear spindle nose (4-4) center of air compartment (4-5), the wall body of hollow axle body (4-3) has spaced wind distributing hole, helical stirs plate (4-2) and is looped around in a spiral manner outside the wall body of hollow axle body (4-3)；Housing (3) is the through cylindrical structure in front and back, front end (12) is had in the front end of housing (3), follower head (5) is had in the rear end of housing (3), the cylinder intracorporeal space of housing (3) constitutes air-dry tunnel (3-6), the wall body of air-dry tunnel (3-6) there is helping of genesis analysis turn over rib (3-3), helping and turning over rib (3-3) is more than two, the front portion in air-dry tunnel (3-6) has hopper (18) to access and pull out airduct (2) to pick out, and the rear portion of air-dry tunnel (3-6) has discharging opening (3-5) to pick out；Screw feeder (4) is arranged in air-dry tunnel (3-6), the front spindle nose (4-6) of screw feeder (4) rotating shaft is arranged on the center of front end (12) by fore bearing (17), the rear spindle nose (4-4) of screw feeder (4) rotating shaft is arranged on the center of follower head (5) by rear bearing (6), follower head (5) has and accesses for airduct (8), be communicated to air compartment (4-5) by rear spindle nose (4-4) center of screw feeder (4) axially through mouth for airduct (8).
2. a kind of tunnel-type hot air exsiccator according to claim 1, it is characterized in that having tuyere (4-1) to pick out on the hollow axle body (4-3) of screw feeder (4), tuyere (4-1) is the conical structure that outlet narrows, and tuyere (4-1) is communicated to the air compartment 4-5 in hollow axle body (4-3) by wind distributing hole.
3. a kind of tunnel-type hot air exsiccator according to claim 1, is characterized in that helical stirs plate (4-2) and is connected on the wall body of hollow axle body (4-3) with welding manner.
4. a kind of tunnel-type hot air exsiccator according to claim 1, is characterized in that having sprocket wheel (15) on the drive joint (4-7) of screw feeder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620162519.4U CN205373352U (en) | 2016-03-04 | 2016-03-04 | Convective tunnel drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620162519.4U CN205373352U (en) | 2016-03-04 | 2016-03-04 | Convective tunnel drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205373352U true CN205373352U (en) | 2016-07-06 |
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ID=56265646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620162519.4U Expired - Fee Related CN205373352U (en) | 2016-03-04 | 2016-03-04 | Convective tunnel drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205373352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627722A (en) * | 2016-03-04 | 2016-06-01 | 衢州市煜鑫农产品加工技术开发有限公司 | Tunnel-type hot-air drier |
-
2016
- 2016-03-04 CN CN201620162519.4U patent/CN205373352U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627722A (en) * | 2016-03-04 | 2016-06-01 | 衢州市煜鑫农产品加工技术开发有限公司 | Tunnel-type hot-air drier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180304 |