CN207763436U - A kind of veneer intermittent movement heat injection formula veneer dryer - Google Patents
A kind of veneer intermittent movement heat injection formula veneer dryer Download PDFInfo
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- CN207763436U CN207763436U CN201721333388.2U CN201721333388U CN207763436U CN 207763436 U CN207763436 U CN 207763436U CN 201721333388 U CN201721333388 U CN 201721333388U CN 207763436 U CN207763436 U CN 207763436U
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- veneer
- heat injection
- pressing plate
- heat
- intermittent movement
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- 238000002347 injection Methods 0.000 title claims abstract description 120
- 239000007924 injection Substances 0.000 title claims abstract description 120
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 abstract description 48
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 239000002023 wood Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
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- 230000005855 radiation Effects 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
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- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of veneer intermittent movement heat injection formula veneer dryers, including：The frame-type babinet for being used to support installation whole device of veneer import and veneer outlet, combined type heat injection pressing plate moving up and down, fixed combined type support pressing plate, oil pressure cylinder, veneer Control System for Transmission Belt, caloic transmission heat injection control system.First, the suitable position that will wait for that dry veneer is transported between mobile heat injection pressing plate and the pressing plate of fixed support, switch is formed to open, pressing plate is closed simultaneously, therebetween by veneer clamping, heat injection system is opened at this time, by hot-air, or the groove that superheated steam passes through veneer, crack, crack, lumen, the channel that pit is constituted, it is directly injected into veneer and spreads, veneer is directly heated, compared with prior art, the thermal efficiency is high, homogeneous heating, rate of drying is fast, the dry time can not only be greatly shortened, improve the drying efficiency of veneer, and it is apparent to reduce energy consumption, veneer drying quality is also significantly improved.
Description
Technical field
The utility model is related to the processing unit (plant) technical field of timber, more particularly to a kind of drying device of wood single-plate.
Background technology
Veneer is to use peeler by rounding at certain thickness thin plate, former in order to improve the quality of rotary cut venner
Wood needs the moisture for having relatively high, and rotary cut venner is caused also to contain a certain amount of moisture；In the following process process of veneer
In, veneer contains relatively large number of moisture has large effect to product quality, therefore needs that processing is dried to veneer, with row
Except extra moisture.
Veneer drying is glued board, solid wooden compound floor base material, container bottom board, integrated timber, laminate, artificial Recombinant Wood
Etc. critical process in production processes and energy consumption is maximum, a main technique link of low output.Currently, common timber
Veneer drying method includes：Air drying method, convective drying method, heat pressing type seasoning, radiant drying method.
Air drying is that wood single-plate is placed under draughty natural environmental condition, is dried；Dry matter
The position for depending on veneer and placing, the temperature of natural environment, humidity, speed air flow are measured, list is easily caused in drying process
Moisture content is uneven in plate benging deformation, veneer, cracks, warpage.
Convective drying is that the steam generated using boiler heats air and material as heat source after heat exchange, up to tens
In the case structure of rice, it is blown into the air heated with several air blowers in parallel, forms air guided flowing, pair roller barrel
The advantages of veneer of (or guipure) transmission is dried, the equipment is that the degree of automation is higher, still, the equipment of convection type drying
Expensive, floor space is larger, high energy consumption, and drying cost is high, in terms of veneer thickness, to by the thickness requirement of dried single board
It is higher, it is all poor more than the quality of the veneer drying of 2.5mm less than the veneer of 0.5mm and thickness to thickness；It is aqueous at the beginning of the veneer
In terms of rate, veneer is easy to crack when the first moisture content of veneer is less than 55.00%, and Veneer moisture is too low after also easily causing drying, makes
Bonding quality declines, while fire easily occurring in drying process.
Hot-pressing drying is between timber is placed in hot plate, to be allowed to thermal dehydration under certain pressure conditions, be by connecing
Wood single-plate is dried in the mode for touching heat transfer；Since heating plate heat supply temperature is high, contacted closely with by bole, heat output
Greatly, wood internal can reach high temperature soon, and steam pressure is made to improve rapidly, promote wood internal moisture to external shifting
It is dynamic.But, on the one hand, due to the effect of pressure, its normal shrinkage, excessively high heat will be greater than by the contraction on dry veneer thickness
Pressure temperature and pressure can not only bring larger wood volume error, but also wood color can be made to deepen, and it is hard to generate more serious surface
Change and cracks；On the other hand, there is no exhaust passage on the heating platen of hot-pressing drying machine, when the moisture in veneer is heated to vaporization
Afterwards, vapor only relies on 4 levels of veneer and is exhausted, leaving area very little and make exhaust problem, when not being vented fully just
Release easily causes veneer and bursts；Meanwhile the equipment price of hot-pressing drying is expensive, floor space is larger, high energy consumption, drying cost
It is high.
Radiant drying is that wet stock heating is dried by way of radiation；Radiation dryer production intensity is big, if
Standby compact, using flexible.But since wood single-plate is anisotropic material, there is some difference for the moisture content of different parts,
Therefore, also different to the absorbability of radiant heat, cause the different parts temperature of the veneer heated also different, veneer drying effect
Fruit is also different, and there is the influences for reflecting, penetrating, reflect, absorbing during heating, also makes each site absorption of veneer different
Heat influences veneer drying effect, meanwhile, there is also the situations that energy expenditure is larger.
Chinese patent CN204513956U discloses a kind of vertical veneer drying machine, including heating assembly, conveying device, institute
It is the side shield connected in conveyer belt and its both sides interval to state conveying device, forms chain, wood single-plate is limited to vertical
In the chain of conveying；The heating assembly is respectively arranged in wood single-plate both sides, the heating assembly and heat source unicom,
Face wood single-plate side is provided with air pushing hole, by heat assembly generate hot wind blow to wood single-plate two front, to veneer into
Row drying；Although the drying machine can accelerate dry progress, wood single-plate vertical direction is placed, veneer is in drying machine
Interior extremely easy deformation.
Chinese patent CN105066625A discloses a kind of wood single-plate drying device, including drying shed, drier and
Haulage mechanism, the advantage described in scheme are that wood single-plate forms logical for wood single-plate in the drying process, in the middle part of hot bellows group
The transport channel crossed, two hot bellows ends being oppositely arranged are both provided with multiple jet pipes and soft briquetting, and the heat in blast pipe is empty
Gas enters in hot bellows, the hot wind that the hot-air in hot bellows comes out from jet pipe can homogeneous radiation on wood single-plate surface,
Realize heat transfer；Wood single-plate is uniformly dried by air-heater, air jet pipe, and pairs of soft briquetting and pairs of biography
It send band to keep its straight when wood single-plate transmits, wood single-plate is made not will produce flexural deformation.
Chinese patent CN203249468U discloses a kind of conduction heating Efficient Wood veneer drying device, including：Heat conduction
Oily manifold, conduction oil oil inlet bobbin carriage, S-shaped coiled radiator, door, column, conduction oil oil return bobbin carriage, conduction oil oil return manifold and top
Canopy holder, veneer is placed directly on S-shaped coiled radiator after stacking, is heated by way of heat transfer, using high-temperature heat-conductive
Oil as a heat transfer medium, conduction oil reciprocal closed circulation in pipeline.
Chinese patent CN203629237U discloses a kind of veneer dryer, including：Plane is continuously arranged alternately multiple
Heating group and multiple driving drum groups, during veneer drying, veneer is conveyed to and through fixedly secured by driving drum
Between upper and lower heating plate, simultaneously dried single board is heated by way of radiant heating.
Chinese patent CN103759505A discloses a kind of veneer drying method, including：Multiple predry veneer layers are stacked
It sets between two heating platens of hot press, two heating platens of control carry out pressurized, heated to predry veneer, when every veneer
When moisture content is all down to threshold values or less, release is taken out by dry veneer；In hot press, veneer is not flexible, cracks, after dry
Veneer quality is good.
A kind of steam discharge of the similar multi-daylight press with simultaneous close mechanism is provided in Chinese patent ZL98236861.5
The veneer dryer of Intermittent Contact formula needs to use type of respiration during veneer drying to increase water evaporation rate in veneer
Drying mode, meanwhile, using multilayered structure intermittent hot-pressing drying when, the charge and discharge operations of veneer are difficult, time-consuming and laborious, single
Plate breakage rate is very high, and veneer drying efficiency is also very low.
Provide a kind of energy-saving veneer dryer in Chinese patent ZL00216863.4, principle and content with it is above-mentioned specially
Profit is almost the same, increase only movable plug of band into discharging machine structure, although veneer pass in and out it is comparatively more convenient,
It is still very big to load and unload veneer breakage, production efficiency does not improve.
Provide a kind of single layer contact progressive plate drier in Chinese patent ZL200520120414.4, principle and
Content is also essentially the same with above-mentioned patent, only placed transport network band, such veneer drying mode in the interlayer of single drylight presses
Compared to other, have the advantages that veneer disengaging single drylight presses are more convenient and veneer breakage rate reduces, but there is also veneers
The still very low disadvantage of drying efficiency, the pressure of especially operating cylinder is very big, on the one hand to the more demanding of rack, makes system
It makes difficulty and cost all increases, on the other hand, the compression ratio of veneer increases, and the wood volume error of veneer is also larger.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of veneer intermittent movement heat injection formula veneer
It the problem of drying machine, the utility model aims to solve the problem that energy consumption in wood single-plate drying process, drying efficiency, curling, warpage, carries
For a kind of list simple in structure, easy to use, easy to operate, low energy consumption, dry mass is good, drying efficiency is high, drying cost is low
Plate drying equipment.
To achieve the goals above, the technical solution that the utility model uses includes the following contents：
A kind of veneer intermittent movement heat injection formula veneer dryer includes being used to support equipped with what veneer import and veneer exported
The frame-type babinet of installation whole device, combined type heat injection pressing plate moving up and down, fixed combined type support pressing plate, pressure
Oil cylinder, veneer Control System for Transmission Belt, caloic transmit heat injection control system；Oil pressure cylinder one end connection can move up and down
Combined type heat injection pressing plate, the other end is connected on babinet.
Combined type heat injection pressing plate moving up and down and fixed combined type support pressing plate are respectively independent, corresponding up and down, at
To being arranged, there are the channels of horizontal direction between two pressing plates, pass through with transmission for veneer heat injection, veneer interval.
Combined type heat injection pressing plate moving up and down and fixed combined type support pressing plate are at least 1 pair in babinet.
Heat injection pressing plate is that one piece of heat injection pressing plate of monoblock type is concatenated with the high temperature resistant cushion with heat injection hole, is inside equipped with
The duct of thermal medium cycle, vertical direction are provided with the heat injection through-hole of perforation, internal heat-insulated processing.
Heat injection pressing plate is by fastening positioning bolt system successively by pressing plate, heat insulation tie-plate, heat injection cavity groove frame, heat injection orifice plate string
Combined type heat injection pressing plate made of connecing, the affixed high temperature resistant cushion with heat injection hole below heat injection orifice plate.
The heat injection air cavity of horizontal direction is equipped in the heat injection pressing plate, the heat injection that vertical direction is provided on heat injection plate is logical
Hole, affixed heat safe cushion in its lower section, and it is equipped with heat injection through-hole in corresponding position.
The thickness of heat injection orifice plate is within the scope of 1mm~90mm, and the diameter in the heat injection hole on heat injection orifice plate is in 1mm~20mm models
In enclosing, the distance between heat injection hole is within the scope of 3mm~60mm.
The thickness of heat injection orifice plate is within the scope of 5mm~20mm, and the diameter in the heat injection hole on heat injection orifice plate is in 3mm~10mm models
In enclosing, the distance between heat injection hole is within the scope of 8mm~20mm.
The fixed combined type support pressing plate is the group made of pressing plate, heat insulation tie-plate, heat safe cushion concatenation
Box-like pressing plate.
Heat injection medium is hot-air or superheated steam.
Further include the caloic transmission heat injection control of the temperature, speed of thermal medium in control injection veneer, flow, relative humidity
System.
The veneer Control System for Transmission Belt is equipped with veneer conveyer belt and veneer travel switch, controls veneer transmission process
In movement and stopping.
The caloic transmission heat injection control system is equipped with thermal medium Transfer pipe and heat injection velocity of medium, flow, time
Controller.
The utility model has the following advantages and effect：First, it will wait for that dry veneer is transported to movable type by transmission device
Suitable position between heat injection heating platen and the heating platen of fixed support forms switch and opens, while two pressing plate closure functions, will
Veneer is clamped therebetween, opens heat injection system at this time, by hot-air or steam or superheated steam by the groove of veneer, split
The channel that seam, crack, lumen, pit are constituted, is directly injected into veneer and spreads, directly heated to veneer, and the thermal efficiency is high,
Homogeneous heating, rate of drying is fast, can not only greatly shorten the dry time, improves the drying efficiency of veneer, and reduce energy
Consumption is apparent, and veneer drying quality is also significantly improved.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is heat injection pore size distribution schematic diagram；
1-pressing plate；
2-heat insulation tie-plates；
3-heat injection board slot frames；
4-heat injection orifice plates；
5-heat safe cushions；
6-veneer conveyer belts；
7-travel switches；
8-heat injection through-holes；
The heat injection air cavity of 9-horizontal directions；
10-fastening positioning bolt systems；
11-thermal mediums keep the temperature conveyance conduit；
12-heat injection control systems；
13-oil pressure cylinders；
14-veneer input ports；
15-veneer delivery outlets；
16-thermal medium generators；
Heat injection through-hole on 31-cushions；
Fastening through-hole on 32-cushions；
33-cushions.
Specific implementation mode
Technical solution used by the utility model is described further in conjunction with attached drawing：A kind of veneer intermittent movement note
Hot type drying equipment, including it is used to support, loads and bears the tower structure babinet of operating pressure, above-mentioned tower structure
Babinet makes frame using the higher proximate matter of structural strength under normal circumstances, then sheet metal is enclosed on frame, forms frame
Formula structure babinet, then isothermal holding is done on it；Mobile heat injection heating platen is installed in tower structure babinet, support is fixed
Heating platen, oil pressure cylinder 13, thermal medium heat preservation conveyance conduit 11, heat injection control system 12, the mobile heat injection heating platen
It is successively to be concatenated pressing plate 1, heat insulation tie-plate 2, heat injection board slot frame 3, heat injection orifice plate 4 by fastening positioning bolt system 10,
The affixed high temperature resistant cushion 5 with heat injection hole below heat injection orifice plate 4；Top half is horizontally oriented in the combination heat injection plate
Heat injection air cavity 9, lower half portion have vertical direction heat injection through-hole 8, be aided with heat safe cushion 5 in its lower section, and right
The position answered is equipped with heat injection through-hole 8；The used thermal medium of heat injection can be hot-air or superheated steam；It is described fixed to hold
Backing pressure plate is composed of pressing plate 1, heat insulation tie-plate 2, heat safe cushion 5；Described 13 one end of oil pressure cylinder is fixed on pressure
On plate 1, the other end is fixed on the frame of frame-type babinet；Above-mentioned corresponding position installation mobile and combined heat injection pressing plate,
It is equipped with conveyer belt system between support fixed Combination formula pressing plate, travel switch system 7 is equipped in the conveyer system, works as list
Plate enters veneer dryer through veneer conveyer belt 6, veneer input port 14, when veneer is transmitted to immediately below mobile heat injection pressing plate
When, travel switch 7 starts, and veneer stops transporting, while starting oil pressure cylinder 13, and mobile heat injection heating platen moves down, and
With support Combined press plate closing, the pressure slightly larger than heat injection medium steam pressure is imposed to veneer, at this point, opening heat injection control
System 12 injects thermal medium into veneer, and the thermal medium is generated by thermal medium generator 16, keeps the temperature and conveys through thermal medium
Pipeline 11 is delivered in heat injection board slot frame 3, and the flow velocity of the thermal medium conveyed and time are controlled by heat injection control system 12, heat injection
Reach the time of setting, close heat injection system 12 and switch, while Opening pressure oil cylinder 13 moves upwards mobile heat injection heating platen,
Conveyer system travel switch 7 is opened, veneer is transmitted, while opening mobile and combined heat injection pressing plate, is heated in veneer
Moisture instant vaporization due to suffered pressure reduction, to veneer ambient enviroment loss, Veneer moisture reduces, and reaches dried single board
Purpose, be sent to outside veneer dryer via veneer delivery outlet 15.
Claims (13)
1. a kind of veneer intermittent movement heat injection formula veneer dryer, it is characterised in that：Including being equipped with veneer import and veneer outlet
Be used to support installation whole device frame-type babinet, combined type heat injection pressing plate moving up and down, fixed combined type hold
Backing pressure plate, oil pressure cylinder, veneer Control System for Transmission Belt, caloic transmit heat injection control system；Described oil pressure cylinder one end connects
Combined type heat injection pressing plate moving up and down is connect, the other end is connected on babinet.
2. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Can on move down
Dynamic combined type heat injection pressing plate and fixed combined type support pressing plate are respectively independent, corresponding up and down, are arranged in pairs, between two pressing plates
There are the channels of horizontal direction, pass through for veneer heat injection, veneer interval and transmission.
3. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Can on move down
Dynamic combined type heat injection pressing plate and fixed combined type support pressing plate are 1 pair in babinet.
4. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Heat injection pressing plate
That one piece of heat injection pressing plate of monoblock type is concatenated with the high temperature resistant cushion with heat injection hole, in the hole equipped with thermal medium cycle
Road, vertical direction are provided with the heat injection through-hole of perforation, and heat-insulated processing is done in inside.
5. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Heat injection pressing plate
It is successively to be noted combined type made of pressing plate, heat insulation tie-plate, heat injection cavity groove frame, heat injection orifice plate concatenation by fastening positioning bolt system
Heating platen, the affixed high temperature resistant cushion with heat injection hole below heat injection orifice plate.
6. special according to claim 1 or a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 5
Sign is：The heat injection air cavity of horizontal direction is equipped in the heat injection pressing plate, the heat injection that vertical direction is provided on heat injection pressing plate is logical
Hole, affixed heat safe cushion in its lower section, and it is equipped with heat injection through-hole in corresponding position.
7. special according to claim 1 or a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 5
Sign is：The thickness of heat injection orifice plate is within the scope of 1mm~90mm, and the diameter in the heat injection hole on heat injection orifice plate is in 1mm~20mm models
In enclosing, the distance between heat injection hole is within the scope of 3mm~60mm.
8. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 7, it is characterised in that：Heat injection orifice plate
Thickness within the scope of 5mm~20mm, the diameter in the heat injection hole on heat injection orifice plate is within the scope of 3mm~10mm, between heat injection hole
Distance is within the scope of 8mm~20mm.
9. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Described consolidates
Fixed combined type support pressing plate is the Combined type pressing plate made of pressing plate, heat insulation tie-plate, heat safe cushion concatenation.
10. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Heat injection is situated between
Matter is hot-air or superheated steam.
11. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Control note
Enter the caloic transmission heat injection control system of the temperature, speed of thermal medium in veneer, flow, relative humidity.
12. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Described
Veneer Control System for Transmission Belt is equipped with veneer conveyer belt and veneer travel switch, controls the movement in veneer transmission process and stops
Only.
13. a kind of veneer intermittent movement heat injection formula veneer dryer according to claim 1, it is characterised in that：Described
Caloic transmits heat injection control system and is equipped with thermal medium Transfer pipe and heat injection velocity of medium, flow, the controller of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333388.2U CN207763436U (en) | 2017-10-16 | 2017-10-16 | A kind of veneer intermittent movement heat injection formula veneer dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333388.2U CN207763436U (en) | 2017-10-16 | 2017-10-16 | A kind of veneer intermittent movement heat injection formula veneer dryer |
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| Publication Number | Publication Date |
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| CN207763436U true CN207763436U (en) | 2018-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576181A (en) * | 2017-10-16 | 2018-01-12 | 北京林业大学 | A kind of veneer intermittent movement heat injection formula veneer dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576181A (en) * | 2017-10-16 | 2018-01-12 | 北京林业大学 | A kind of veneer intermittent movement heat injection formula veneer dryer |
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Granted publication date: 20180824 |