CN104930824B - Direct flue gas veneer drying machine and drying system - Google Patents
Direct flue gas veneer drying machine and drying system Download PDFInfo
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- CN104930824B CN104930824B CN201510423879.5A CN201510423879A CN104930824B CN 104930824 B CN104930824 B CN 104930824B CN 201510423879 A CN201510423879 A CN 201510423879A CN 104930824 B CN104930824 B CN 104930824B
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Abstract
The invention provides a direct flue gas veneer drying machine. The drying machine is provided with a hot air conveying device and a drying chamber, the hot air conveying device is provided with an air supply pipe, the drying chamber, an air return pipe and an exhaust pipe, the air supply pipe is communicated with the drying chamber, and a jet nozzle of the air supply pipe is located below a board; the drying machine is further provided with an internal circulation air blast device, the internal circulation air blast device is provided with an air blower, a lower air draft pipe and an upper air jet pipe, the lower air draft pipe is communicated with the bottom of the drying chamber, an air outlet of the lower air draft pipe is connected with an air inlet of the air blower in an assembled mode, an air outlet of the air blower is connected with an air inlet of the upper air jet pipe in an assembled mode, and an air outlet of the upper air jet pipe is located above the board; the air return pipe is communicated with the bottom of the drying chamber; the exhaust pipe is arranged at the top of the drying chamber, and a lower end opening of the exhaust pipe is communicated with the top of the drying chamber. The direct flue gas veneer drying machine is utilized in a direct flue gas veneer drying system, and compared with the prior art, the board drying effect is excellent; the board can be effectively prevented from burning.
Description
Technical field
The present invention relates to veneer lumber technical field of drying, more particularly to a kind of direct flue gas veneer dryer and drying
System.
Background technology
Conventional dryer (typically indirect air drier) is situated between using the high temperature that steam boiler or heat conducting oil boiler are produced
Mass flow Jing radiator, then extract air from drying machine with high-power blower and flow through radiator and carry out heat exchange and then fill-before-fire
Plate face, this drying machine is suffered from the drawback that：(1) power consumption is big；(2) built-in temperature is not high, high humidity, low production efficiency；(3)
Boiler exhaust gas are low without being imitated using heat energy.
At present the country also has many producers to use direct air drier, and common direct air drier is using combustion
The flue gas that burning room produces is sent directly in drying machine and is dried.This drying machine is saved for heat than indirect air drier
The electric energy of exchange, while every shortcoming of conventional dryer is improved, but this drying machine has a very big problem
It is exactly the contradiction of air quantity and temperature, to make drying effect good, it usually needs substantial amounts of hot blast is sprayed onto into the plate face of plank, but mesh
The hot blast rate that front combustor is produced is not enough, prior art increase the means of air quantity be from drying machine extraction section gas to mixed
Air compartment is input into again drying machine with the hot blast mixing of combustor, although thus, air quantity increased hot blast temperature reduces, this method
Be dried tide plate can manage it, since it is desired that heat energy be not required to very high temperature less.But it is inapplicable to be dried wet plate.Publication No.
The disclosure of the invention text of CN102853641 A discloses a kind of plank and is dried roller-way kiln system and its special purpose device, with the invention
Apply for the existing drying machine for representative, its return air enters to combustor, but return air is that burned reducing air can not
Burning is supported, if come in from the enough air of outer suction, from the superpower cold wind of outer suction combustor is entered so that burning room temperature
Degree very low fuel burning is not filled part and produces black smoke, if from the lack of air of outer suction, causing the fuel combustion of combustor anoxia not
Fill part and produce poisonous CO (carbon monoxide converter) gas.Also there is the technology that wind mixed chamber is set in prior art, so have more air quantity,
It is possible damp plate is dried.But when wet plate is dried, because there are a large amount of moisture content in wet plank, need a large amount of heat energy, dryer temperature
Heat energy transmission speed is very slow when low, and production efficiency is very low.At this moment want improve production efficiency to close air returning valve, produce combustor
Raw hot blast sends into drying machine with the highest temperature, and above drying machine is the upper and lower surface spray hot blast in plank, and total wind area is:3M
2 layers=360 square metres of * 2 face * of wide * 30M length (depending on factory floor space and drying machine cost).So big wind area is big again
The air quantity that produces of combustor it is all substantially not enough.Below plank, because the hot blast wind-force for spraying upwards is small and weak, the temperature ratio of wind point is sprayed
Elsewhere temperature is not high how many in machine；On plank, downwards the hot blast of spray due to the little wind-force of its density it is weak and upwards
Distribute, to not board surface.The temperature in the whole space so in drying machine improves.Increased from combustor in machine and pass through
The vapor that the steam for coming and water evaporates are produced, so necessarily there is gas discharge in the machine of equivalent.The big temperature of discharge capacity of gas
Spend high heat energy loss big, baking temperature raises and is difficult to increase to a certain extent when so drying wet plank.This drying machine
Subject matter is that production efficiency is preferable not enough with the thermal efficiency.Therefore, for existing problems of the prior art, offer had been needed badly both
Drying effect is good, the dry technology that production efficiency and the thermal efficiency are high is particularly important.
The content of the invention
It is an object of the invention to avoid weak point of the prior art and provide a kind of both energy-conservation, drying effect it is good,
Production efficiency and the thermal efficiency are high, and the ablaze direct flue gas veneer dryer of plank can be effectively prevented again.
The purpose of the present invention is achieved through the following technical solutions：
A kind of direct flue gas veneer dryer is provided, hot-blast conveying appliance and hothouse is provided with, the hot-blast conveying appliance
Be provided with ajutage, backwind tube and outer comb, ajutage is communicated with hothouse, and the air nozzle of ajutage be located at plank position it
Under；Be additionally provided with interior circulation air-jet device, interior circulation air-jet device is provided with aerator, lower exhaust column and upper blast pipe, under take out
Airduct is connected with the bottom of hothouse, the air outlet of lower exhaust column and the air inlet assembly connection of aerator, the air-out of aerator
Mouthful with the air inlet assembly connection of upper blast pipe, the air outlet of upper blast pipe is located on plank position；Backwind tube and hothouse
Bottom connection；Outer comb is arranged at the top of hothouse, and the lower ending opening of outer comb is connected with the top of hothouse.
Preferably, the number of plies shunting of ajutage correspondence plank has the warm-air pipe of more than two, the air outlet of every warm-air pipe
It is located at respectively under the position of correspondence plank.
It is furthermore preferred that the number of upper blast pipe that interior circulation air-jet device is provided with is identical with the number of warm-air pipe, upper spray
The air outlet of airduct is located on the position of correspondence plank.
Preferably, backwind tube is equiped with heat control valve.
Preferably, ajutage, backwind tube, outer comb, lower exhaust column and upper blast pipe are equiped with Self controlling valve.
Preferably, outer comb is set to water curtain dust removing tube.
Another object of the present invention is to avoid weak point of the prior art and to provide a kind of both drying effects good, raw
Produce efficiency high with the thermal efficiency, the ablaze direct flue gas veneer drying system of plank can be effectively prevented again.
Another object of the present invention is achieved through the following technical solutions：
A kind of direct flue gas veneer drying system is provided, including the Burning Room, wind mixed chamber and dehydrator that are sequentially communicated, drying
Machine is above-mentioned direct flue gas veneer dryer, and ajutage is connected with wind mixed chamber by aerator, and backwind tube is connected with wind mixed chamber.
Preferably, cleaner unit is provided between Burning Room and wind mixed chamber.
It is furthermore preferred that being provided with clean room between Burning Room and cleaner unit.
Preferably, Burning Room is provided with high temperature and goes out flue.
Beneficial effects of the present invention：
A kind of direct flue gas veneer dryer of the present invention, is provided with hot-blast conveying appliance and hothouse, the hot blast conveying
Device is provided with ajutage, hothouse, backwind tube and outer comb, and ajutage is communicated with hothouse, and the air nozzle position of ajutage
Under plank position；Be additionally provided with interior circulation air-jet device, interior circulation air-jet device be provided with aerator, lower exhaust column and on
Blast pipe, lower exhaust column is connected with the bottom of hothouse, the air outlet of lower exhaust column and the air inlet assembly connection of aerator, drum
The air inlet assembly connection of the air outlet of blower fan and upper blast pipe, the air outlet of upper blast pipe is located on plank position；Return air
Pipe is connected with the bottom of hothouse；Outer comb is arranged at the top of hothouse, the lower ending opening of outer comb and the top of hothouse
Connection.Compared with prior art, the present invention is double wind drying modes, and the first air-supply is the hot blast of ajutage directly by hot blast from wood
The lower section of plate sprays into, and hot blast is injected in from the bottom up plank bottom and forms high-temperature region, the second air-supply be interior circulation air-jet device from
The upper surface that the bottom drawing of hothouse passes through upper blast pipe high-pressure injection from top to bottom to plank, is arranged such with following prominent
The advantage for going out：
1st, double wind drying up and down so that plank drying effect is excellent, and production efficiency is high；
2nd, using the high-temperature gas cyclic spray inside hothouse to plank upper surface, the effectively save energy, greatly improve
Efficiency, the thermal efficiency is high；
3rd, due to invention increases interior circulation air-jet device, and the special position of lower exhaust column of interior circulation air-jet device
Put, because the molecular weight of predominant gas in air is different, density is different, and the molecular weight of such as hydrone is 18, and the molecular weight of nitrogen is
28, the molecular weight of oxygen is 32, and the molecular weight of carbon dioxide is 44, and the larger carbon dioxide of density is in the relatively low hothouse of wind speed
Inside there is a sedimentation effect, hothouse bottom silicon dioxide concentration of carbon highest, the lower exhaust column of interior circulation air-jet device is from the bottom of hothouse
Portion's convulsion is blasted in hothouse again by upper blast pipe from top so that the carbon dioxide of hothouse bottom is repeated continuously
Remain in and be dried interior, arrange outside the indoor most water vapour of drying, nitrogen and oxygen, improve the dense of Carbon Dioxide in Air
Degree so that hothouse forms the environment of anoxia, to be prevented effectively from prior art and reach uniform temperature plank easily when being dried interior
The situation of fire.Meanwhile, reduce and be dried interior vapour content（Reduce water vapor pressure）It is more beneficial for moisture evaporation.Compared to existing
There is backwind tube in technology to connect with the top of hothouse or outer comb, the backwind tube of the present invention is connected with the bottom of hothouse,
When the hot blast of hothouse is reclaimed, the carbon dioxide priority reclamation of hothouse bottom is to wind mixed chamber, it is ensured that be dried indoor two
Carbonoxide accounts for ratio big absolutely, and this arranges progress and is conducive to present invention solution prior art plank incendive in dry run
Technical problem.Jing test of many times of the present invention, the effect for preventing plank from burning is very good, even if reaching the temperature of the plate face carbonization of plank
Degree, plank still will not burn.
Description of the drawings
Using accompanying drawing, the present invention will be further described, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the structural representation of one embodiment of the hot air delivery system of the direct flue gas veneer dryer of the present invention
Figure.
Fig. 2 is another angle knot of one embodiment of the hot air delivery system of the direct flue gas veneer dryer of the present invention
Structure schematic diagram.
Fig. 3 is the structural representation of one embodiment of the interior circulation air-jet device of the direct flue gas veneer dryer of the present invention
Figure.
Fig. 4 is the spray wind drying plank schematic diagram of the direct flue gas veneer dryer of the present invention.
Fig. 5 is the structural representation of another embodiment of the hot air delivery system of the direct flue gas veneer dryer of the present invention
Figure.
Fig. 6 is that the structure of another embodiment of the interior circulation air-jet device of the direct flue gas veneer dryer of the present invention is shown
It is intended to.
Fig. 7 is the overall structure diagram of one embodiment of the direct flue gas veneer dryer of the present invention.
Fig. 8 is the overall structure diagram of one embodiment of the direct flue gas veneer drying system of the present invention.
Include in Fig. 1 to Fig. 8：
1 --- ajutage, 101 --- warm-air pipe,
2 --- hothouse, 3 --- backwind tube, 4 --- outer combs,
5 --- interior circulation air-jet device,
501 --- aerator, 502 --- lower exhaust column, 503 --- upper blast pipes,
6 --- --- cleaner unit, 8 --- clean room, 9 --- the Burning Room, 10 --- planks of wind mixed chamber, 7.
Specific embodiment
With the following Examples the invention will be further described.
Embodiment 1
A kind of direct flue gas veneer dryer of the present invention is provided with hot-blast conveying appliance, hothouse 2 and interior circulation spray wind
Device 5, using double wind drying modes, not only the drying effect of plank is excellent, and the effectively save energy, improves efficiency.
Referring to Fig. 1 and Fig. 2, hot-blast conveying appliance is provided with ajutage 1, the backwind tube 3 of hothouse 2 and outer comb 4, ajutage
1 communicates with hothouse 2, and the air nozzle of ajutage 1 is located under plank position, and backwind tube 3 is connected with the bottom of hothouse 2.
The air nozzle of the ajutage 1 of hot-blast conveying appliance is located under plank position, and the hot blast for being sprays from plank bottom up, hot blast
Temperature height is concentrated in plank plate bottom, forms high-temperature region, rapid draing plank.Drying is exactly in fact to make water evaporates in plank.
Affecting the condition of water evaporates has：（1）The temperature of water, the high evaporation of temperature is fast.（2）The air velocity of water surface, air velocity is fast
Evaporation is fast.（3）Water vapor pressure around water（Saturated vapor pressure）, also low water evaporates are also fast for water vapor pressure.By institute
There is high-temperature hot-air concentration to be sent to plank bottom partial zones and rest on wood or, flowing up because high-temperature gas density is low and being intercepted by plank
Plate bottom, has so built high-temperature region, and the speed of heat transfer is fast, and water evaporates are fast, improve production efficiency；Referring again to Fig. 3, by
Little in molecular weight water, gas density is low, and water vapour is taken out with many Fans in upper-part centralized in drying machine body from drying machine inner bottom part
The upper surface that the low hot blast fan high pressure of steam pressure is ejected into plank is taken, can so accelerate the water evaporates of plank, again can be by machine
Interior steam is repeatedly contacted with plank, fully carries out heat exchange, reduces bulk temperature in machine, the gas vapour content of outer row
Height, temperature is low, and reduction efflux gas take away heat energy while effectively reducing dryer inner water vapor pressure, improve thermal effect
Rate.
Interior circulation air-jet device 5, interior circulation spray wind dress are additionally provided with referring to the direct flue gas veneer dryer of Fig. 3 present invention
Put 5 and be provided with aerator 501, lower exhaust column 502 and upper blast pipe 503, lower exhaust column 502 is connected with the bottom of hothouse 2, under
The air outlet of exhaust column 502 and the air inlet assembly connection of aerator 501, the air outlet of aerator 501 and upper blast pipe 503
Air inlet assembly connection, the air outlet of upper blast pipe 503 is located on plank position；The outer comb 4 of 3 hothouse of backwind tube 2 is arranged
In the top of hothouse 2, the lower ending opening of outer comb 4 is connected with the top of hothouse 2.Referring to Fig. 4, using following in the present invention
Ring spray wind apparatus 5, can be from position of the blast pipe 503 more than plate face on the bottom drawing Jing of hothouse 2 from top to bottom by gas
Body high-pressure injection sprays hot blast cooperating so that be dried with the ajutage 1 of hot-blast conveying appliance to plank plate face from plank plate bottom
Steam in room 2 and the multiple heat exchange of plank, improve plank water evaporates, accelerate the rate of drying of plank, and greatly improve
Efficiency.
And, compared to backwind tube in prior art 3 and hothouse 2 top or outer comb 4 connect, the present invention's returns
Airduct 3 is connected with the bottom of hothouse 2, and when the hot blast of hothouse 2 is reclaimed, the carbon dioxide of the bottom of hothouse 2 is preferential
It is recovered to after wind mixed chamber 6 mixes with the flue gas of burning acquisition and is delivered to hothouse 2 again, it is ensured that carbon dioxide is accounted for absolutely in hothouse 2
Big ratio, this arranges progress and is conducive to the present invention to solve prior art plank incendive technical problem in dry run.
Simultaneously as invention increases interior circulation air-jet device 5, the lower exhaust column 502 of interior circulation air-jet device 5 is from hothouse 2
Bottom drawing is blasted in hothouse 2 again by upper blast pipe 503 from top so that the carbon dioxide of the bottom of hothouse 2 is not
Repeat to remain in hothouse 2 disconnectedly, arrange outside most water vapour, nitrogen and oxygen in hothouse 2, improve dioxy in air
Change the concentration of carbon, so that hothouse 2 forms the atmosphere of anoxia, be prevented effectively from prior art and reach one in hothouse 2
The fire-hazardous situation of constant temperature degree plank.Jing test of many times of the present invention, the effect for preventing plank from burning is very good, even if reaching plank
Plate face carbonization temperature, plank still will not burn.
Embodiment 2
Referring to Fig. 5 to Fig. 7, the main technical schemes of the present embodiment are substantially the same manner as Example 1, do not make in the present embodiment
The feature of explanation, using the explanation in embodiment 1, here is no longer repeated.The layer of the correspondence plank of ajutage 1 of the present embodiment
The air outlet that number shunting has the warm-air pipe 101 of two, every warm-air pipe 101 is located at respectively under the position of correspondence plank, accordingly
, the number of the upper blast pipe 503 that interior circulation air-jet device 5 is provided with is identical with the number of warm-air pipe 101, upper blast pipe 503
Air outlet be located at correspondence plank position on.The direct flue gas veneer dryer of the present invention can according to actual needs arrange many
Layer veneer plank is dried simultaneously, and according to the number of plies of plank, the quantity of the warm-air pipe 101 of the shunting of ajutage 1 accordingly changes.
Embodiment 3
The main technical schemes of the present embodiment are essentially identical with embodiment 1 or embodiment 2, solve in the present embodiment
The feature released, using the explanation in embodiment 1 or embodiment 2, here is no longer repeated.The backwind tube 3 of the present embodiment is filled
Heat control valve is provided with, ajutage 1, backwind tube 3, outer comb 4, lower exhaust column 502 and upper blast pipe 503 are equiped with Self controlling valve.
Embodiment 4
The main technical schemes of the present embodiment are essentially identical with embodiment 1 or embodiment 2, solve in the present embodiment
The feature released, using the explanation in embodiment 1 or embodiment 2, here is no longer repeated.The outer comb 4 of the present embodiment sets
Be set to water curtain dust removing tube, for removing discharge gas in residual dust.
Embodiment 5
The main technical schemes of the present embodiment are essentially identical with embodiment 1 or embodiment 2, solve in the present embodiment
The feature released, using the explanation in embodiment 1 or embodiment 2, here is no longer repeated.The hot blast conveying dress of the present embodiment
The backwind tube 3 put and the lower exhaust column 502 of interior circulation air-jet device 5 are communicated.
Embodiment 6
Referring to Fig. 8, a kind of direct flue gas veneer drying system of the present invention, including the Burning Room 9, clean room being sequentially communicated
8th, the direct flue gas veneer dryer of one of cleaner unit 7, wind mixed chamber 6 and above-described embodiment, ajutage passes through air blast with wind mixed chamber 6
Machine is connected, and backwind tube is connected with wind mixed chamber 6.Wherein, Burning Room 9 is provided with high temperature and goes out flue, and one extends the high-temperature time of flue gas,
Make the residual combustible in flue gas fully burn, reduce soot emission.Meanwhile, clean room 8 can extend the holdup time of flue gas, make
The particulate buildup of flue gas is agglomerating, is that dedusting below is prepared, and plays neutralization high/low temperature and energy storage effect.The present invention's is direct
Flue gas veneer drying system, not only drying effect plank 10 can be prevented well but also effectively ablaze, relative to existent technique
With prominent substantive distinguishing features and progress.
Finally it should be noted that above example is merely to illustrate technical scheme rather than to present invention protection
The restriction of scope, although being explained in detail to the present invention with reference to preferred embodiment, one of ordinary skill in the art should manage
Solution, technical scheme can be modified or equivalent, without deviating from technical solution of the present invention essence and
Scope.
Claims (10)
1. a kind of direct flue gas veneer dryer, is provided with hot-blast conveying appliance and hothouse, and the hot-blast conveying appliance is arranged
There are ajutage, backwind tube and outer comb, it is characterised in that：The ajutage is communicated with the hothouse, and the ajutage
Air nozzle is located under plank position；
Interior circulation air-jet device is additionally provided with, the interior circulation air-jet device is provided with aerator, lower exhaust column and upper blast pipe,
The lower exhaust column is connected with the bottom of the hothouse, and the air outlet of the lower exhaust column is filled with the air inlet of the aerator
With connection, the air inlet assembly connection of the air outlet of the aerator and the upper blast pipe, the air outlet of the upper blast pipe
On plank position；
The backwind tube is connected with the bottom of the hothouse；
The outer comb is arranged at the top of the hothouse, connects at the top of the lower ending opening of the outer comb and the hothouse
It is logical.
2. a kind of direct flue gas veneer dryer according to claim 1, it is characterised in that：The ajutage correspondence plank
The number of plies shunting air outlet that has the warm-air pipe of more than two, every warm-air pipe be located at respectively under the correspondingly position of plank.
3. a kind of direct flue gas veneer dryer according to claim 2, it is characterised in that：The interior circulation air-jet device
The number of the upper blast pipe being provided with is identical with the number of the warm-air pipe, and the air outlet of the upper blast pipe is located at correspondence plank
Position on.
4. a kind of direct flue gas veneer dryer according to claim 1, it is characterised in that：The backwind tube is equiped with tune
Warm valve.
5. a kind of direct flue gas veneer dryer according to claim 1, it is characterised in that：The ajutage, backwind tube,
Outer comb, lower exhaust column and upper blast pipe are equiped with Self controlling valve.
6. a kind of direct flue gas veneer dryer according to claim 1, it is characterised in that：The outer comb is set to water
Curtain dust removing tube.
7. a kind of direct flue gas veneer drying system, including the Burning Room, wind mixed chamber and dehydrator that are sequentially communicated, its feature exists
In：The dehydrator is the direct flue gas veneer dryer of claim 1 to 6 any one, the ajutage and the mixed wind
Room is connected by aerator, and the backwind tube is connected with the wind mixed chamber.
8. a kind of direct flue gas veneer drying system according to claim 7, it is characterised in that：The Burning Room with it is described
Cleaner unit is provided between wind mixed chamber.
9. a kind of direct flue gas veneer drying system according to claim 8, it is characterised in that：The Burning Room with it is described
Clean room is provided between cleaner unit.
10. a kind of direct flue gas veneer drying system according to claim 7, it is characterised in that：The Burning Room is arranged
There is high temperature to go out flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423879.5A CN104930824B (en) | 2015-07-20 | 2015-07-20 | Direct flue gas veneer drying machine and drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423879.5A CN104930824B (en) | 2015-07-20 | 2015-07-20 | Direct flue gas veneer drying machine and drying system |
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| Publication Number | Publication Date |
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| CN104930824A CN104930824A (en) | 2015-09-23 |
| CN104930824B true CN104930824B (en) | 2017-04-12 |
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ID=54118102
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510423879.5A Active CN104930824B (en) | 2015-07-20 | 2015-07-20 | Direct flue gas veneer drying machine and drying system |
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| CN2572317Y (en) * | 2002-10-14 | 2003-09-10 | 朱正平 | Three-layer belt type throug-flow dryer |
| CN201983597U (en) * | 2011-02-16 | 2011-09-21 | 常州顺昌机械科技有限公司 | Energy-saving furnace body structure |
| JP2012251734A (en) * | 2011-06-03 | 2012-12-20 | Bunshodo:Kk | Dryer of tile sheet |
| CN102853641A (en) * | 2012-10-09 | 2013-01-02 | 苏雄孟 | Wooden board drying roller kiln system and special device thereof |
| CN203419958U (en) * | 2013-06-17 | 2014-02-05 | 苏州新凌电炉有限公司 | Internal circulation air cooling device |
| CN103727769A (en) * | 2013-12-19 | 2014-04-16 | 云南中烟昆船瑞升科技有限公司 | Hot air system of reconstituted tobacco reciprocating tunnel dryer |
| DE202014009511U1 (en) * | 2014-09-04 | 2015-02-09 | Ressenig-Fahrzeugbau Gesellschaft M.B.H. | tipper |
| CN204854188U (en) * | 2015-07-20 | 2015-12-09 | 化州市中元木业有限公司 | Direct flue gas veneer dryer and drying system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6901773B2 (en) * | 2001-07-27 | 2005-06-07 | Tamglass Ltd. Oy | Semi-convective forced air system having amplified air nozzles for heating low “e” coated glass |
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2015
- 2015-07-20 CN CN201510423879.5A patent/CN104930824B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572317Y (en) * | 2002-10-14 | 2003-09-10 | 朱正平 | Three-layer belt type throug-flow dryer |
| CN201983597U (en) * | 2011-02-16 | 2011-09-21 | 常州顺昌机械科技有限公司 | Energy-saving furnace body structure |
| JP2012251734A (en) * | 2011-06-03 | 2012-12-20 | Bunshodo:Kk | Dryer of tile sheet |
| CN102853641A (en) * | 2012-10-09 | 2013-01-02 | 苏雄孟 | Wooden board drying roller kiln system and special device thereof |
| CN203419958U (en) * | 2013-06-17 | 2014-02-05 | 苏州新凌电炉有限公司 | Internal circulation air cooling device |
| CN103727769A (en) * | 2013-12-19 | 2014-04-16 | 云南中烟昆船瑞升科技有限公司 | Hot air system of reconstituted tobacco reciprocating tunnel dryer |
| DE202014009511U1 (en) * | 2014-09-04 | 2015-02-09 | Ressenig-Fahrzeugbau Gesellschaft M.B.H. | tipper |
| CN204854188U (en) * | 2015-07-20 | 2015-12-09 | 化州市中元木业有限公司 | Direct flue gas veneer dryer and drying system |
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| Publication number | Publication date |
|---|---|
| CN104930824A (en) | 2015-09-23 |
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