CN102927803A - Wood chip drying device - Google Patents

Wood chip drying device Download PDF

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Publication number
CN102927803A
CN102927803A CN2012104499077A CN201210449907A CN102927803A CN 102927803 A CN102927803 A CN 102927803A CN 2012104499077 A CN2012104499077 A CN 2012104499077A CN 201210449907 A CN201210449907 A CN 201210449907A CN 102927803 A CN102927803 A CN 102927803A
Authority
CN
China
Prior art keywords
air heat
pipeline
wood chip
drying
boiler
Prior art date
Application number
CN2012104499077A
Other languages
Chinese (zh)
Other versions
CN102927803B (en
Inventor
林坤钟
Original Assignee
江苏福通木业有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江苏福通木业有限公司 filed Critical 江苏福通木业有限公司
Priority to CN201210449907.7A priority Critical patent/CN102927803B/en
Publication of CN102927803A publication Critical patent/CN102927803A/en
Application granted granted Critical
Publication of CN102927803B publication Critical patent/CN102927803B/en

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Abstract

The invention discloses a wood chip drying device which comprises a boiler (1), a tail gas pipe (1a) is arranged on the boiler (1), and a water dust scrubber (2) is arranged on the tail end of tail gas pipe (1a). The wood chip drying device further comprises a dirt catcher (3) which is communicated with the tail gas pipe (1a). The wood chip drying device further comprises an air heating chamber (5) which is provided with an air heat exchanger (6) communicated with the dirt catcher (3) inside. A draught fan (9) is arranged outside the air heating chamber (5), and an air outlet pipe (9a) extends into the air heating chamber (5). The wood chip drying device further comprises a drying channel (10), wherein the drying channel (10) is communicated with the air heating chamber (5), and a through pipe line (11) above the drying channel (10) is communicated with the air heating chamber (5). The air heat exchanger (6) is also communicated with the steam outlet of the boiler (1), an electrically operated valve (16a) is arranged on a communicating pipe (16), and the electrically operated valve (16a) is in communication with a temperature sensor (15). The wood chip drying device is energy-saving and environment-friendly, and reduces producing cost greatly, and meanwhile drying effect is good.

Description

The wood chip drying unit
Technical field
The invention belongs to the timber processing apparatus field, relate in particular to a kind of device that veneer is dried.
Background technology
Plank passes through the trigger squeeze compaction moulding by the multi-layer thin wood chip usually.Moisture content to used veneer has strict control requirement, in process of production, need to carry out drying and dewatering to veneer and process.Traditional mode has the natural drying dehydration, although this dewatering type is both economical and convenient.But be difficult for to hold the degree of airing, often can cause wood chip transition dehydration to cause embrittlement and the problem such as crooked of wood chip, have a strong impact on the quality of final products; Natural drying is limited by the factor of weather simultaneously; As just can not carry out the airing dehydration to wood chip when running into rainy weather, the integral production progress is impacted.Although present most of enterprise has extensively used boiler plant that wood chip is carried out drying and processing, existing most of plant energy consumption is larger, is difficult for holding simultaneously the degree of control oven dry.
Summary of the invention
Purpose of the present invention is the shortcoming that overcomes prior art, provides a kind of simple and reasonable, and efficient energy-saving can be controlled the drying unit of wood chip oven dry degree simultaneously.
For solving the problems of the technologies described above, concrete technical scheme of the present invention is as follows:
A kind of wood chip drying unit comprises a boiler, on the described boiler exhaust pipe is arranged, and described exhaust pipe end is provided with water dust scrubber; It is characterized in that:
Also comprise a deduster, described deduster communicates with described exhaust pipe by pipeline;
Also comprise an air heat room, described air heat is provided with air heat exchanger in the room;
Described air heat exchanger import is connected with deduster by pipeline, and the outlet of described air heat exchanger is connected by on pipeline and the described boiler exhaust gas pipeline; Be provided with an active plugboard at described exhaust pipe, between described pipeline of dust collector and air heat exchanger outlet conduit;
One blower fan is arranged on outside the air heat room, and described blower fan wind pipe extends in the described air heat room;
Also comprise drying channel, described drying channel communicates with described air heat room, and described drying channel is provided with is convenient to material inlet and the outlet of opening and sealing, and is provided with the residual air outlet at drying channel above near import department; Described residual air outlet is communicated with described air heat room by pipeline; Be provided with exhaust blower at described pipeline;
Be provided with the wood chip moving assemly line in the described drying channel, described moving assemly line comprises that some wood chips carry dolly, in drying channel inside the lift-launch vehicle guide is set, the chain by chain wheel drive with the direction along ng a path setting, be provided with a series of ground slide block on the chain surface, be provided with block in corresponding position, described dolly bottom;
In the air heat room, be provided with a temperature sensor; Described air heat exchanger is double-deck thermal medium interchanger; Described air heat exchanger also links to each other with described Boiler Steam outlet by pipeline, is provided with electrically operated valve at described pipeline, and described electrically operated valve and described temperature sensor communicate.
Further, described vehicle guide is 1 ° ~ 5 ° along the drying channel material inlet to the downward-sloping certain angle range of tilt angles of outlet.
The invention has the advantages that: utilize boiler exhaust gas to dry, rationally abundant utilize the energy, greatly reduce the production cost of enterprise; The automaticity of this device is higher simultaneously, can control the oven dry degree of wood chip, has stronger practicality.
Description of drawings
Fig. 1 is the structural representation of integral body of the present invention.
Fig. 2 is that wood chip dolly of the present invention drives schematic diagram.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Shown in Fig. 1 and 2, the present invention includes a boiler 1, on the described boiler 1 exhaust pipe 1a is arranged, described exhaust pipe 1a end is provided with water dust scrubber 2; Also comprise a deduster 3, described deduster 3 communicates with described exhaust pipe 1a by pipeline 4; At exhaust pipe one active plugboard 1c is set, also comprises an air heat room 5, be provided with air heat exchanger 6 in the described air heat room 5; Described air heat exchanger 6 imports are connected with deduster 3 by pipeline 7, and described air heat exchanger 6 outlets are connected by pipeline 8 described boiler exhaust gas pipeline 1a; Be provided with an active plugboard 1c at described exhaust pipe 1a, between described pipeline of dust collector 4 and heat exchanger outlet pipeline 8; One blower fan 9 is arranged on outside the air heat room 5, and described blower fan wind pipe 9a extends in the described air heat room 5; Also comprise drying channel 10, described drying channel 10 communicates with described air heat room 5, and described drying channel is provided with to be convenient to the material inlet 10a that opens and seal and to export 10b, is provided with the residual air outlet above drying channel 10 close mouthful 10a places; Described residual air outlet is communicated with described air heat room 5 by pipeline 11; Be provided with exhaust blower 11a at described pipeline 11; Be provided with the wood chip moving assemly line in the described drying channel 10, described moving assemly line comprises that some wood chips carry dolly 12, at the inner lift-launch vehicle guide 13 that arranges of drying channel, the chain 14 by chain wheel drive with the direction along ng a path setting, be provided with a series of ground slide block 14a on chain 14 surfaces, be provided with block 12a in corresponding position, described dolly 12 bottoms; In air heat room 5, be provided with a temperature sensor 15; Described air heat exchanger 5 is double-deck thermal medium interchanger; Described air heat exchanger 5 also links to each other with described boiler 1 steam (vapor) outlet by pipeline 16, is provided with electrically operated valve 16a at described pipeline 16, and described electrically operated valve 16a and described temperature sensor 15 communicate.
Specific works flow process of the present invention is as follows: the boiler exhaust gas with heat and dust is upwards discharged through boiler exhaust gas pipeline 1a, because pipeline 4 communicates with exhaust pipe 1a, so tail gas enters dedusting in the deduster 3.Removing tail gas behind some dust enters in the air heat exchanger 6 in the air heat room, be arranged on the air-blowing in the air heat room 5 of the outer air blast 9 in air heat room 5, gas has certain temperature after blowing to heat exchanger 6, and hot gas flows to 10 pairs of wood chips of drying channel and dries.Drying channel 10 is provided with to be convenient to the wood chip import 10a that can open and seal and to export 1b; Carry the dolly 12 of wood chip in entrance 10a enters drying channel 10, by the baffle plate 12a on the slide block 14a effect dolly on the chain 14, it is mobile to outlet 10b place to drive dolly 12, it is mobile for dolly 12 is convenient to, track 13 has certain angle of inclination downwards, and range of tilt angles is 1 ° ~ 5 °.Hot gas flows to drying channel import 10a place gradually simultaneously, the temperature of hot gas reduces gradually, be provided with residual air outlet at drying channel 10 this moment, be communicated in air heat room 5 by pipeline 11, the residual air that will still have a heat by exhaust blower 11a is incorporated into that air heat room 5 is interior have been realized recyclingly, has greatly saved the energy.Boiler exhaust gas through air heat exchanger 6 condensations is incorporated into by pipeline 8 in the boiler exhaust gas pipeline 1a through water dust scrubber 2 discharges again; Protected environment.The openings of sizes that can regulate simultaneously the active plugboard 1b on the exhaust pipe is regulated the temperature in the air heat room 5.When the opening minimum is that tail gas is when all entering heat exchanger 6, when temperature sensor 15 temperature sensors are still inadequate, this moment, electrically operated valve 16a opened, and Boiler Steam enters through pipeline 16 that double-deck air heat exchanger 6 is interior mends the temperature rise temperature to reach requirement to air heat room 5.
The present invention is simple and reasonable, takes full advantage of boiler exhaust gas wood chip is carried out drying and dewatering, has stronger economy, has saved the production cost of enterprise; Possess simultaneously certain automation, can hold the degree of dewatered drying; The last tail gas impurity of discharging of this device is less simultaneously, has the feature of environmental protection.

Claims (2)

1. a wood chip drying unit comprises a boiler (1), and exhaust pipe (1a) is arranged on the described boiler, and described exhaust pipe (1a) end is provided with water dust scrubber (2); It is characterized in that:
Also comprise a deduster (3), described deduster (3) communicates with described exhaust pipe (1a) by pipeline (4);
Also comprise an air heat room (5), be provided with air heat exchanger (6) in the described air heat room (5);
Described air heat exchanger (6) import is connected with deduster (3) by pipeline (7), and described air heat exchanger (6) outlet is connected with described boiler exhaust gas pipeline (1a) by pipeline (8); Be provided with an active plugboard (1b) at described exhaust pipe (1a), be positioned between described pipeline (4) and the pipeline (8);
One blower fan (9) is arranged on outside the air heat room (5), and described blower fan (9) wind pipe (9a) extends in the described air heat room (5);
Also comprise drying channel (10), described drying channel (10) communicates with described air heat room (5), be provided with and be convenient to the material inlet (10a) of opening and sealing and export (10b), be provided with the residual air outlet in the top that drying channel (10) is located near import (10a); Described residual air outlet is communicated with described air heat room (5) by pipeline (11); Be provided with exhaust blower (11a) at described pipeline (11);
Described drying channel is provided with the wood chip moving assemly line in (10), described moving assemly line comprises that some wood chips carry dolly (12), at the inner lift-launch vehicle guide (13) that arranges of drying channel, with the chain by chain wheel drive (14) that arranges along guide rail (13) direction, be provided with a series of ground slide block (14a) on chain (14) surface, be provided with block (12a) in corresponding position, described dolly (12) bottom;
In air heat room (5), be provided with a temperature sensor (15); Described air heat exchanger (6) is double-deck thermal medium interchanger; Described air heat exchanger (6) also links to each other with described boiler (1) steam (vapor) outlet by pipeline (16), is provided with electrically operated valve (16a) at described pipeline (16), and described electrically operated valve (16a) communicates with described temperature sensor (15).
2. wood chip drying unit according to claim 1 is characterized in that: described vehicle guide (13) is 1 ° ~ 5 ° along drying channel material inlet (10a) to outlet (10b) downward-sloping certain angle range of tilt angles.
CN201210449907.7A 2012-11-12 2012-11-12 Wood chip drying device CN102927803B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210449907.7A CN102927803B (en) 2012-11-12 2012-11-12 Wood chip drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210449907.7A CN102927803B (en) 2012-11-12 2012-11-12 Wood chip drying device

Publications (2)

Publication Number Publication Date
CN102927803A true CN102927803A (en) 2013-02-13
CN102927803B CN102927803B (en) 2015-02-04

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152772A (en) * 2016-08-29 2016-11-23 广西横县威林木材市场投资有限公司 A kind of single case rail mounted wood single-plate drying device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002372308A (en) * 2001-06-19 2002-12-26 Hosoyama Nekki Kk Indirect type hot-air generator
JP2004242701A (en) * 2003-02-10 2004-09-02 Home Dry:Kk Hot air drier
CN2795763Y (en) * 2005-01-28 2006-07-12 夏银增 Device for drying timber by using boiler waste heat
CN1844816A (en) * 2006-04-28 2006-10-11 河南黄河林业股份有限公司 Drying stove
CN101210773A (en) * 2006-12-29 2008-07-02 河南农业大学 Dry system for drying grain
CN201264606Y (en) * 2008-08-01 2009-07-01 山西东方智能物流股份有限公司 Self-traction conveyor of trolley
CN101482363A (en) * 2009-02-06 2009-07-15 南京大学 Biomass gas and exhaust heat combination type materiel drying system
CN201322523Y (en) * 2008-12-25 2009-10-07 吴联平 Boiler tail gas heat recovery device for drying mosquito incenses
CN201684712U (en) * 2010-05-26 2010-12-29 浙江华立涂装设备有限公司 Spraying drying furnace
CN201964722U (en) * 2011-02-22 2011-09-07 新疆农业科学院农业机械化研究所 Solar energy and air stove combined drying equipment

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002372308A (en) * 2001-06-19 2002-12-26 Hosoyama Nekki Kk Indirect type hot-air generator
JP2004242701A (en) * 2003-02-10 2004-09-02 Home Dry:Kk Hot air drier
CN2795763Y (en) * 2005-01-28 2006-07-12 夏银增 Device for drying timber by using boiler waste heat
CN1844816A (en) * 2006-04-28 2006-10-11 河南黄河林业股份有限公司 Drying stove
CN101210773A (en) * 2006-12-29 2008-07-02 河南农业大学 Dry system for drying grain
CN201264606Y (en) * 2008-08-01 2009-07-01 山西东方智能物流股份有限公司 Self-traction conveyor of trolley
CN201322523Y (en) * 2008-12-25 2009-10-07 吴联平 Boiler tail gas heat recovery device for drying mosquito incenses
CN101482363A (en) * 2009-02-06 2009-07-15 南京大学 Biomass gas and exhaust heat combination type materiel drying system
CN201684712U (en) * 2010-05-26 2010-12-29 浙江华立涂装设备有限公司 Spraying drying furnace
CN201964722U (en) * 2011-02-22 2011-09-07 新疆农业科学院农业机械化研究所 Solar energy and air stove combined drying equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152772A (en) * 2016-08-29 2016-11-23 广西横县威林木材市场投资有限公司 A kind of single case rail mounted wood single-plate drying device

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