CN204854290U - Dry kiln device - Google Patents
Dry kiln device Download PDFInfo
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- CN204854290U CN204854290U CN201420806662.3U CN201420806662U CN204854290U CN 204854290 U CN204854290 U CN 204854290U CN 201420806662 U CN201420806662 U CN 201420806662U CN 204854290 U CN204854290 U CN 204854290U
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Abstract
The utility model provides a dry kiln device, includes an organic heat carrier stove, a burner gas exhaust stacks, a multi -tube dust cleaner, a boiler induced -draft fan, a burner gas surge chamber, a plurality of stoving rooms device, there are steam generator and boiler blower in the organic heat carrier furnace zone, steam generator connects a heat supply pipeline, and this heat supply pipeline is connected to the room device of respectively drying respectively, the burner gas exit linkage of organic heat carrier stove the multi -tube dust cleaner, the multi -tube dust cleaner is connected to boiler induced -draft fan, boiler induced -draft fan's tuber pipe forms two branch roads, is connected to respectively the burner gas surge chamber with burner gas exhaust stacks, boiler induced -draft fan connects be equipped with a big air door on burner gas exhaust stacks's the tuber pipe, the burner gas surge chamber is connected to each stoving room device respectively. The utility model provides a pair of dry kiln device is with steam drying and dry common the utilization in order to improve drying efficiency and to reduce the energy consumption problem of flue gas.
Description
[technical field]
The utility model relates to dry kiln device, is applicable to the drying process of the raw materials such as timber, Chinese herbal medicine, coal briquette.
[background technology]
The way that furnace gas is directly used in dried feed has it for a long time, the brick as brickmaking enterprise is dried, ceramic raw material oven dry, barbecue, flapjack etc.; A kind of anxious formula drying machine of sudden strain of a muscle that adopts is also had also widely to apply in medium density fibre board (MDF) manufacturing enterprise for extremely incendive wood-fibred drying technology, and realize industrialization, utilize the first moisture content of wood-fibred compared with up to more than 80% to 100% nonflammable feature, be sprayed onto on heat smoke, carry out spray to a small amount of smoke spark to go out, if when also having Mars to arrive the position of drying pipeline dry fiber below, adopt the way of spray to prevent fire and occur.The bake drying treatment cycle of the raw materials such as timber, Chinese herbal medicine, coal briquette, bamboo wood was for up to more than 1 day, and what have reaches more than two weeks, very easily burns for the later stage of drying; For the drying process of the raw materials such as extremely incendive timber, Chinese herbal medicine, coal briquette, the dry kiln that production adopts is steam (deep fat) dry kiln and furnace-heated kiln, be all heated by the dry furnace air of heat exchanger indirect to need dry raw material, the two uses simultaneously sometimes.
Steam (deep fat) dry kiln is for heat carrier with steam (deep fat), by steam radiator heating indoor air, and be that drying medium carrys out dried feed with Hot wet air heating, its shortcoming is that the high-temperature furnace gas of boiler combustion is not used preferably, causes the waste of heat resource; Furnace gas, by being arranged by boiler chimney after water dust scrubber dedusting, also creates a large amount of water pollutions and air pollution outward.
Because boiler furnace gas contains a large amount of dust and Mars, need the raw material of dry process very easily to burn again and be vulnerable to pollute, usually furnace gas heat drying kiln all adopts indirect furnace heating dry now, be be fuel with wood machining residues-wood shavings, sawdust, flaw-piece, stub bar, sanding powder etc., in stove, Thorough combustion generates furnace gas.Humid air in heating kiln is added by heat exchanger, thus other raw materials needing drying to process such as heating and desiccated wood.Advantage is that furnace gas heat energy is utilized; Its shortcoming is that the furnace gas heat exchanger heat exchange thermal efficiency is low, and dry mass is poor, and arid cycle is long.
This limitation of two kinds of kilns because of equipment and irrationality of layout, cause that hear rate is large, the temperature difference is large.
Owing to there is these defects, the many methods of a large amount of researcher's utility model improve the heat utilization rate of dry kiln, as the lumber kiln patent of application number 99202300.9, the Multifunctional rapid wood-drying kiln patent of application number 200420077054.X, a kind of high-performance energy saving lumber kiln patent of application number 200410024033.6, the lumber kiln patent of application number 200710113151.8, a kind of lumber kiln patent of application number 201010119924.5, a kind of lumber kiln patent etc. of application number 201320059531.9, the all unresolved radiator of these patents and flue gas combination drying improve drying efficiency and reduce energy consumption problem.
Also large quantities of scholar and research unit angle research furnace gas (the being flue gas again) tail gas from energy plant and the utilization of waste heat tail gas is had, for the stoving process technology of article, such as application number: 201120210329.2, application (patent right) people: CHangZhou cooperative Boiler Vessel Co., Ltd, patent name: the patent of the energy centre of heat energy and electric energy provides a kind of to high-temperature steam, high-temperature flue gas carries out the energy centre of heat energy and the electric energy utilized, it can fully utilize high-temperature flue gas, economize on resources, improve fuel availability, it is connected with about hot oil furnace the output that heat supply flue gas system the third line mentions described oil oven air-introduced machine at the 6th of claim and connects a mixing chamber, mixing chamber is also connected with the flue gas output of combustion furnace, the flue gas output of mixing chamber is connected to chimney or drying equipment, and realize boiler exhaust gas temperature adjustment with temperature adjustment blower fan 20, do not study and provide the Dryly use of the method and apparatus confession article how boiler high temperature furnace gas uses.
Such as application number: 200620028761.9, apply for (patent right) people: Ren Ruiguo, Wang Qilin, patent name: a kind of hot oil furnace heat supply Wood drying apparatus, its claim is exactly a steam generator.Because heating boiler and dry kiln are the process units of timber industry indispensability.The Utilizing question of hot oil furnace furnace gas is not mentioned in its research yet.
Such as application number: 200910084710.6, apply for (patent right) people: Zhou Yucheng, patent name: a kind of method for drying wood and system, patent provides a kind of wood drying system comprising humidity generator, thermal energy recoverer, filter, reclaim the high-temp waste gas of dry kiln gas outlet, reduce thermal energy consumption.Its claim is not carried boiler furnace gas and is utilized application process.
Such as application number: 201310177371.2, apply for (patent right) people: Tianhua Institute of Chemical Machinery & Automation Co., Ltd., patent name: the fine coal coal gasification powder process of high-moisture coal and Water Sproading integrated system and method thereof, patent provides the method for the heating recycling tail gas of fine coal or other article heating, dryings.Described in its claim Part I the 7th row, sack cleaner I (2) is connected with described absorption tower (3), described surge bunker respectively; The top on absorption tower (3) is connected with carrier gas initial heat stove (4) by circulating fan (14).Described in 6th row, sack cleaner II (10) is connected with described hot-blast stove (9) by air-introduced machine (8).This project organization illustrates that large scale industry system uses process by the collocation of deduster and air-introduced machine, boiler furnace gas and industrial high temperature heat energy tail gas can be carried out fully utilizing and reduces industrial energy consumption.
Such as application number: 201020157711.7, apply for (patent right) people: Tianli Drying Equipment Co., Ltd., Shandong, patent name: a kind of Novel superheated steam drying cooling system, patent provides superheated steam drying cooling system, air and heat smoke is substituted with superheated steam, reduce drying medium flow, reduce power and volume.Its claim, the superheated steam exhaust steam of first paragraph the third line drying device is pressurizeed by pressue device after at least one-level dust arrester, and a road sends drying device back to after entering reheat machine heating; Another road is emptying, carries out waste heat recovery.Furnace gas has also carried out reuse by deduster and air-introduced machine, uses for heat exchanger 16; Furnace gas does not participate in article convection drying.
In view of this, the present inventor furthers investigate for the defect of prior art, then has this case to produce.
[summary of the invention]
Technical problem to be solved in the utility model is to provide a kind of dry kiln device, steam drying and furnace-heated is jointly utilized improve drying efficiency and reduce energy consumption problem.
The utility model is achieved in that
A kind of dry kiln device, comprises an organic heat carrier furnace, a furnace gas blowdown stack, a multi-tube dust cleaner, a boiler induced-draft fan, a furnace gas surge chamber, a plurality of baking room device;
Described organic heat carrier furnace is with steam generator and boiler blower; Described steam generator connects a heat supply pipeline, and this heat supply pipeline is connected respectively to each baking room device; The furnace gas export of described organic heat carrier furnace connects described multi-tube dust cleaner;
Described multi-tube dust cleaner is connected to described boiler induced-draft fan;
The airduct of described boiler induced-draft fan forms two branch roads, is connected respectively to described furnace gas surge chamber and described furnace gas blowdown stack; The airduct that described boiler induced-draft fan connects described furnace gas blowdown stack is provided with a large air door;
Described furnace gas surge chamber is connected respectively to each baking room device;
Described baking room device comprises a baking room, a furnace gas steam hot wind mixing chamber, a lime-ash settling tank, a steam-heating system; Described lime-ash settling tank is positioned at bottom described baking room; The baking room blower fan that described steam-heating system comprises steam radiator and is connected with described steam radiator; Described steam radiator connects described heat supply pipeline, also connects described furnace gas steam hot wind mixing chamber; Described baking room blower fan is connected to described baking room; Described furnace gas surge chamber is connected respectively to the furnace gas steam hot wind mixing chamber of each baking room device, and described furnace gas steam hot wind mixing chamber connects described lime-ash settling tank by a connector.
Further, the airduct that described furnace gas surge chamber connects described furnace gas steam hot wind mixing chamber is provided with a little air door and a little blower fan.
Further, described lime-ash settling tank top is provided with hole and is connected with described baking room, adopts support to separate in the middle part of described lime-ash settling tank.
The utility model has the advantage of: organic heat carrier furnace boiler furnace gas is by after the dedusting of multi-tube dust cleaner first and a part of Mars of removing, the wind speed that furnace gas surge chamber reduces furnace gas is sent into by boiler induced-draft fan, and carry out two road sedimentations and burning extinguishing removing Mars, again by the control of the little air door of baking room furnace gas and little blower fan, being mixed by the air of steam (deep fat) radiators heat indoor of entering that furnace gas steam hot wind mixing chamber and baking room blower fan blow to is carried out hybrid cooling and is reached operating temperature.The furnace gas hot blast of lime-ash settling tank to mixing effectively mixes, stop the quality accident because furnace gas incomplete mixing causes, presumable residual Mars in the mixing furnace gas arrived is burnt away simultaneously and extinguish removing Mars, and by the equal wind workbench of band hole, again natural subsidence is carried out to the dust in mixing furnace gas, realize the self-purification of mixing furnace gas.Realizing boiler furnace gas temperature can up to 400-450 DEG C, directly through the equal wind workbench five road dedusting gathering-device process of multi-tube dust cleaner, furnace gas surge chamber, flue gas hot blast mixing chamber, lime-ash settling tank, band hole, get rid of the dust in furnace gas and Mars, make furnace gas and Hot wet air heating mist be transformed into the raw material direct drying such as timber or bamboo wood of clean damp-heat air directly to dry kiln.Realize steam (deep fat) heating and furnace gas Hybrid Heating oven dry gas optimize further, to timber and bamboo wood, other raw material stoving, realize the recycling of boiler furnace gas resource, reduce energy resource consumption, improve the heat capacity of organic heat carrier furnace, again because furnace gas is that high temperature enters furnace gas steam (deep fat) hot blast mixing chamber and enters baking room lime-ash settling tank again, not by adding cold air cooling, make the moisture content of furnace gas lower, make Steam Heating and furnace gas gaseous mixture have more powerful drying capacity.In addition, the utilization of boiler high temperature furnace gas, lime-ash in furnace gas is by the equal wind workbench five road dedusting gathering-device process of multi-tube dust cleaner, furnace gas surge chamber, furnace gas steam hot wind mixing chamber, lime-ash settling tank, band hole, thus eliminate water dust scrubber, not only avoid the environmental pollution problem caused because of the generation of large amount of sewage, but also avoid the waste of water resource.
[accompanying drawing explanation]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structural representation of the utility model equipment.
[detailed description of the invention]
As shown in Figure 1, a kind of dry kiln device, comprises organic heat carrier furnace 1, furnace gas blowdown stack 2, multi-tube dust cleaner 3, boiler induced-draft fan 4, furnace gas surge chamber 5, a plurality of baking room device 6;
Described organic heat carrier furnace 1 is with steam generator 11 and boiler blower 12; Described steam generator 11 connects a heat supply pipeline 13, and this heat supply pipeline 13 is connected respectively to each baking room device 6; The furnace gas export 14 of described organic heat carrier furnace 1 connects described multi-tube dust cleaner 3;
Described multi-tube dust cleaner 3 is connected to described boiler induced-draft fan 4;
The airduct of described boiler induced-draft fan 4 forms two branch roads 41,42, is connected respectively to described furnace gas surge chamber 5 and described furnace gas blowdown stack 2; The airduct 42 that described boiler induced-draft fan 4 connects described furnace gas blowdown stack 2 is provided with a large air door 43;
Described furnace gas surge chamber 5 is connected respectively to each baking room device 6;
Described baking room device 6 comprises baking room 61, furnace gas steam hot wind mixing chamber 62, lime-ash settling tank 63, steam-heating system 64, blast pipe 65; Described lime-ash settling tank 63 is positioned at bottom described baking room 61; The baking room blower fan 642 that described steam-heating system 64 comprises steam radiator 641 and is connected with described steam radiator 641; Described steam radiator 641 connects described heat supply pipeline 13, also connects described furnace gas steam hot wind mixing chamber 62; Described baking room blower fan 642 is connected to described baking room; Described furnace gas surge chamber 5 is connected respectively to the furnace gas steam hot wind mixing chamber 62 of each baking room device 6, and described furnace gas steam hot wind mixing chamber 62 connects described lime-ash settling tank 63 by a connector 621.
The airduct 51 that described furnace gas surge chamber 5 connects described furnace gas steam hot wind mixing chamber 62 is provided with little air door 52 and a little blower fan 53, and airduct 51 is in the opposite of airduct 41.
The equal wind workbench 631 that described lime-ash settling tank 63 top is provided with band hole is connected with described baking room 61, adopts support 632 support the equal wind workbench of described band hole and separate lime-ash settling tank 63 in the middle part of described lime-ash settling tank 63.
During the utility model operation, the work gate 611 of baking room 61 is opened, and the little air door 52 on little airduct 51 closes, and raw material loads to push in baking room 61 and is well placed by drying process requirement by loading go-cart (not shown); Each baking room loads raw material successively and puts by drying process requirement.After end put by single baking room raw material loading, the work gate 611 of closed baking room 61, opens the little air door 52 on little airduct 51, and large air door 43 activity is to furnace gas airduct 42 sections end, to make up to 400-450 DEG C of boiler furnace gas, by after first multi-tube dust cleaner 3 dedusting, to enter furnace gas surge chamber 5.Burn when the meeting nominal situation furnace gas that produces of described organic heat carrier furnace 1 goes out boiler furnace gas export 14 in the synergy undershoot of boiler blower 12 and air-introduced machine 4 and is drawn in multi-tube dust cleaner 3.Steam generator (hot oil furnace) 11 medium gives the heat supply of steam (or deep fat) radiator 641 by heat supply pipeline 13.Furnace gas temperature can reach 400-450 DEG C.Baking room steam (deep fat) heating system 64 gives the heat supply of steam (or deep fat) radiator 641 by organic heat carrier furnace 1 steam generator (hot oil furnace) 11 by pipeline 13, baking room blower fan 642 operates, indoor circulation air in baking room 61 is heated by radiator 641, squeezes in furnace gas steam hot wind mixing chamber 62 through Hot wet air heating entrance.
Multi-tube dust cleaner 3 sucks air-introduced machine 4 after removing most dust and Mars.Be blown in furnace gas surge chamber 5 by air-introduced machine 4.During normal work, large air door 43 activity, to furnace gas airduct 42 sections end, makes furnace gas can not discharge from furnace gas blowdown stack 2.Be blown into the furnace gas in furnace gas surge chamber 5 due to the unexpected change of furnace gas flow section large, flow velocity is slack-off, extend the time of furnace gas walking, reduce the wind speed of furnace gas, the Mars coming to remain by multi-tube dust cleaner 3 burns away and extinguishes removing Mars, and carries out natural subsidence to the dust in furnace gas, fall the bottom of furnace gas surge chamber, the dust of this part is removed, can not take in dry kiln 6, realize two road lime-ash sedimentations and eliminate Mars; This process need not increase other mechanical movement expenses.Furnace gas along separate routes enters furnace gas steam hot wind mixing chamber 62 by the little air door 52 on little airduct 51 and adds Hot wet air heating with steam (deep fat) and mix, and is reduced to temperature, the humidity mist of the operating point requirement of needs.Realize internal gas mixing, furnace gas cooling is not realized by outside atmosphere, reduce the heat-energy losses of furnace gas, the residual steam heated hot blast of Mars arrived in furnace gas steam hot wind mixing chamber 62 furnace gas is broken up and burnt away simultaneously and extinguish removing Mars, and natural subsidence is forced to the dust in furnace gas, reduce Mars and dust to the injury of raw material wanting heat drying.Mist enters into lime-ash settling tank 63 by furnace gas steam (deep fat) hot blast mixing chamber 62 with lime-ash stone settling tank 63 connector 621 and mixes further, and further sedimentation lime-ash, presumable residual Mars in the mixing furnace gas arrived is burnt away and extinguishes removing Mars, and again natural subsidence is carried out to the dust in mixing furnace gas, realize the self-purification of mixing furnace gas.The gas mixed is evenly distributed in drying shed 61 by the equal wind workbench 631 of the band hole on lime-ash settling tank 63 top, makes mixing furnace gas better carry out self-purification.After baking raw material, unnecessary gas is discharged from blast pipe 65.
Baking room blower fan 642 can forward and reversely operate, and is beneficial to the raising of the raw material top dries quantity of drying shed 61 inside.
After raw material stoving terminates, the work gate 611 of baking room 61 is opened, and the little air door 53 on little airduct 51 closes, and the raw material of having dried releases baking room 61 by loading go-cart (not shown), for next group raw material is prepared, carry out raw material stoving work next time.
Described dry kiln device is also equipped with a Scinteia alarm device and a PLC device (not shown), and one group is arranged on spray equipment (not shown) in lime-ash settling tank, for controlling the operation of dry kiln device and preventing fire from occurring; Described PLC and Scinteia alarm device control program are well-known to those skilled in the art, just can realize without the need to paying creative work.
It should be noted that:
One, the effect of furnace gas surge chamber is that the cross section that furnace gas is flowed becomes suddenly large, flow velocity is slack-off, extend the time of furnace gas walking, reduce the wind speed of furnace gas, the residual Mars of being come by multi-tube dust cleaner is burnt away and extinguishes removing Mars, and natural subsidence is carried out to the dust in furnace gas, fall the bottom of furnace gas surge chamber, the dust of this part can not be taken in dry kiln.Realize two road lime-ash sedimentations and eliminate Mars; And other operating costs need not be increased.It is characterized in that: the furnace gas steam hot wind mixing chamber in two, described baking room device directly mixes boiler furnace gas and steam-heated hot blast, realize internal gas mixing, furnace gas cooling is not realized by outside atmosphere, reduce the heat-energy losses of furnace gas, the residual steam heated hot blast of Mars arrived in steam hot wind mixing chamber furnace gas is broken up and burnt away simultaneously and extinguish removing Mars, and natural subsidence is forced to the dust in furnace gas, reduce Mars and dust to the injury of raw material wanting heat drying.It is characterized in that: the furnace gas hot blast of the lime-ash settling tank in three, described baking room device to mixing effectively mixes, stop the quality accident because furnace gas incomplete mixing causes, presumable residual Mars in the mixing furnace gas arrived is burnt away simultaneously and extinguish removing Mars, and again natural subsidence is carried out to the dust in mixing furnace gas, realize the self-purification of mixing furnace gas.It is characterized in that: the equal wind workbench of four, described band hole makes mixing furnace gas evenly pass through, and makes mixing furnace gas better carry out self-purification.
Organic heat carrier furnace boiler furnace gas of the present utility model is directly by after the dedusting of multi-tube dust cleaner first and removing Mars, the wind speed that furnace gas surge chamber reduces furnace gas is sent into by boiler induced-draft fan, and carry out the sedimentation of reground grain dirt and burning extinguishing removing Mars, what enter that furnace gas steam hot wind mixing chamber blows to baking room blower fan by the little air door of baking room furnace gas again is mixed by steam (deep fat) radiators heat room air, carry out three road dust settlings and burning extinguishing removing Mars, hybrid cooling reaches the comparatively clean damp-heat air of operating temperature conversion, lime-ash settling tank mixes further again, natural subsidence lime-ash, presumable residual Mars in the mixing furnace gas arrived is burnt away again and extinguishes removing Mars, carry out four road dust settlings and burning extinguishing removing Mars, by the effect of band hole equal wind workbench cloth wind, again natural subsidence is carried out to the dust in mixing furnace gas, realize the natural purification of mixing furnace gas.Complete steam (deep fat) heating and furnace gas direct Hybrid Heating oven dry gas is optimized further, to heating such as the timber of drying shed, Chinese medicine, coal briquette, bamboo woods, realize the direct heating recycling of boiler furnace gas resource, reduce energy resource consumption, improve the heat capacity of organic heat carrier furnace, again because furnace gas is that high temperature enters furnace gas steam (deep fat) hot blast mixing chamber and enters baking room lime-ash settling tank again, not by adding cool exterior air cooling, make the moisture content of furnace gas lower, make Steam Heating and furnace gas gaseous mixture have more powerful drying capacity.In addition, the utilization of boiler high temperature furnace gas, lime-ash in furnace gas is by the equal wind workbench five road dedusting gathering-device process of multi-tube dust cleaner, furnace gas surge chamber, furnace gas steam hot wind mixing chamber, lime-ash settling tank, band hole, thus eliminate water dust scrubber, not only avoid the environmental pollution problem caused because of the generation of large amount of sewage, but also avoid the waste of water resource.
The foregoing is only better enforcement use-case of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a dry kiln device, is characterized in that: comprise an organic heat carrier furnace, a furnace gas blowdown stack, a multi-tube dust cleaner, a boiler induced-draft fan, a furnace gas surge chamber, a plurality of baking room device;
Described organic heat carrier furnace is with steam generator and boiler blower; Described steam generator connects a heat supply pipeline, and this heat supply pipeline is connected respectively to each baking room device; The furnace gas export of described organic heat carrier furnace connects described multi-tube dust cleaner;
Described multi-tube dust cleaner is connected to described boiler induced-draft fan;
The airduct of described boiler induced-draft fan forms two branch roads, is connected respectively to described furnace gas surge chamber and described furnace gas blowdown stack; The airduct that described boiler induced-draft fan connects described furnace gas blowdown stack is provided with a large air door;
Described furnace gas surge chamber is connected respectively to each baking room device;
Described baking room device comprises a baking room, a furnace gas steam hot wind mixing chamber, a lime-ash settling tank, a steam-heating system; Described lime-ash settling tank is positioned at bottom described baking room; The baking room blower fan that described steam-heating system comprises steam radiator and is connected with described steam radiator; Described steam radiator connects described heat supply pipeline, also connects described furnace gas steam hot wind mixing chamber; Described baking room blower fan is connected to described baking room; Described furnace gas surge chamber is connected respectively to the furnace gas steam hot wind mixing chamber of each baking room device, and described furnace gas steam hot wind mixing chamber connects described lime-ash settling tank by a connector.
2. a kind of dry kiln device as claimed in claim 1, is characterized in that: the airduct that described furnace gas surge chamber connects described furnace gas steam hot wind mixing chamber is provided with a little air door and a little blower fan.
3. a kind of dry kiln device as claimed in claim 1, is characterized in that: described lime-ash settling tank top is provided with hole and is connected with described baking room, and the top of described lime-ash settling tank adopts support to support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806662.3U CN204854290U (en) | 2014-12-17 | 2014-12-17 | Dry kiln device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806662.3U CN204854290U (en) | 2014-12-17 | 2014-12-17 | Dry kiln device |
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| Publication Number | Publication Date |
|---|---|
| CN204854290U true CN204854290U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420806662.3U Expired - Fee Related CN204854290U (en) | 2014-12-17 | 2014-12-17 | Dry kiln device |
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| CN (1) | CN204854290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501570A (en) * | 2014-12-17 | 2015-04-08 | 福建省永安林业(集团)股份有限公司 | Dry kiln device |
-
2014
- 2014-12-17 CN CN201420806662.3U patent/CN204854290U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501570A (en) * | 2014-12-17 | 2015-04-08 | 福建省永安林业(集团)股份有限公司 | Dry kiln device |
| CN104501570B (en) * | 2014-12-17 | 2017-01-04 | 福建省永安林业(集团)股份有限公司 | A kind of dry kiln device |
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| 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: 20151209 Termination date: 20161217 |