CN2593991Y - Wood drying bath with mass inlet and outlet airflow - Google Patents
Wood drying bath with mass inlet and outlet airflow Download PDFInfo
- Publication number
- CN2593991Y CN2593991Y CN 02210434 CN02210434U CN2593991Y CN 2593991 Y CN2593991 Y CN 2593991Y CN 02210434 CN02210434 CN 02210434 CN 02210434 U CN02210434 U CN 02210434U CN 2593991 Y CN2593991 Y CN 2593991Y
- Authority
- CN
- China
- Prior art keywords
- chamber body
- wood
- drying
- entering
- exhaust
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The utility model relates to a wood drying bath with mass inlet and outlet airflow, which comprises a chamber body which is provided with an air entering and discharging channel, and a wood stack is inserted into the chamber body. A circulating air channel is arranged between the wood stack and the inner wall of the chamber body, and a blower, a heater and an air-spraying pipe are respectively arranged in the circulating air channel; the ratio of the section area of the air entering and discharging channel and the total volume of the chamber body is 0.0039-0.23. The wood drying chamber with mass inlet and outlet airflow can accelerate drying speed and can shorten drying time, and the utility model also has the advantages of energy saving and high efficiency.
Description
Technical field
The utility model relates to a kind of drying equipment, particularly a kind of hothouse that is used for desiccated wood.
Background technology
Guaranteeing to accelerate rate of drying under the prerequisite of wood drying quality, shortening drying time and realize energy-conservation, purpose efficiently, be the ideal that people are pursued for a long time always.In the process of the drying of wood, there are two factors that the moisture in the timber is moved from inside to outside, the one, utilize the moisture conductibility, promptly cause moisture gradient, make the outside moisture content of timber be lower than inner moisture content.This factor is that at present domestic and international Wood drying technique is mainly considered.The 2nd, utilize the wet conductibility of heat, promptly cause significant thermograde, make the timber temperature inside be higher than external temperature.The chamber body that manufactures and designs both at home and abroad at present and the drying means of use all fail to make full use of this factor.The reason that causes this present situation is because the hothouse intake and exhaust amount that existing design is facilitated is too little.Existing design sees also chapter 9 the 5th, six joints of national forestry institution of higher learning's teaching materials " drying of wood " book.Entering and exhaust channel basal area (the M of the hothouse of making according to this conceptual design
2) with the total measurement (volume) (M of hothouse
3) ratio be 0.0023.In homemade hothouse, chance also has the manufacturing of entering and exhaust channel basal area bigger than normal, and its above-mentioned ratio also is no more than 0.0026.Investigate in the hothouse of present import, Japan produces, and aforementioned proportion is 0.0024, and German is 0.00235, and gondola is 0.00237, and Canadian is 0.00231.
I state ratio in the use is that 0.0026 homemade hothouse carries out in the timber drying, steam processing when spray and finish, and the time marquis of cooling, even entering and exhaust channel is unlimited fully, room temperature drops to 60 ℃ by 90 ℃ also will be with 9 hours.Yi Qi sheet material is produced in the Africa that first moisture content is more than 50%, 23mm is thick be dried to moisture content 10%, be with 25 days, the power consumption of every cubic metre of sheet material of drying is 132KWh; South America that first moisture content is more than 50%, 23mm is thick is produced Mount Huang olive wood plank be dried to moisture content 10%, be with 16 days.The power consumption of dry every cubic metre of sheet material is 84KWh.The speed of such drying and higher power consumption are that the technical the subject of knowledge and the object of knowledge of active service hothouse limits.
The utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming, and a kind of quickening rate of drying is provided, and shortens drying time and energy-conservation, the amount of super large intake and exhaust efficiently wood drying kiln.
For achieving the above object, the utility model super large intake and exhaust amount wood drying kiln, comprise that the inside that is provided with entering and exhaust channel inserts the chamber body of material heap, leave the circulation air flue between material heap and the chamber body inwall, be respectively equipped with blower fan, heater and steam jet pipe in the circulation air flue, the basal area of entering and exhaust channel is 0.0039～0.23 with the ratio of the total measurement (volume) of chamber body.
The utility model super large intake and exhaust amount wood drying kiln, wherein, the basal area of described entering and exhaust channel is 0.0052～0.23 with the ratio of the total measurement (volume) of chamber body.
In timber drying, the quick derivation of timber internal moisture both can be accelerated rate of drying, can reduce the inside and outside moisture gradient of timber again, delayed the cracking and the distortion that cause owing to moisture content gradient of wood is excessive.So, steaming hyperthermic treatment when spray finishes, when beginning to lower the temperature, strengthen the intake and exhaust amount of hothouse, on the one hand the humidity of wood surface is descended as early as possible, the temperature on surface is reduced rapidly, cause significant thermograde, make full use of the wet conductibility of heat that timber contains moisture, inner moisture is derived fast.As long as grasp the time of entering and exhaust channel opening and closing, the control moisture content gradient of wood is no more than the critical point of cracking, even if entering and exhaust channel is opened greatly again, the phenomenon of timber crack also can not occur.
The utility model super large intake and exhaust amount wood drying kiln, in timber drying, can lower the temperature rapidly, so just, can make the temperature of the timber face that is dried significantly be lower than material heart temperature, give full play to the wet conductive effect of heat, the moisture of timber inside is derived fast, both can accelerate rate of drying, to shorten half drying time, can reduce the inside and outside moisture gradient of timber again, delay the cracking and the distortion that cause owing to moisture content gradient of wood is excessive, this just means, under the situation that does not increase equipment, production capacity is doubled; Be equipped with corresponding drying process again, can make power consumption reduce by 60%.
Description of drawings
Fig. 1 is the schematic diagram of the utility model end wind type super large intake and exhaust amount wood drying kiln;
Fig. 2 is the utility model schematic diagram of type super large intake and exhaust amount wood drying kiln against the wind;
Fig. 3 is the schematic diagram of the utility model crosswind type super large intake and exhaust amount wood drying kiln.
The specific embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail.
Figure 1 shows that end wind type super large intake and exhaust amount wood drying kiln, comprise chamber body 1, material heap 6 is inserted the inside of chamber body 1, leave circulation air flue 7 between material heap 6 and chamber body 1 inwall, be provided with entering and exhaust channel 2 at the top of chamber body 1, in an end circulation air flue of chamber body 1, be respectively equipped with blower fan 4, heater 8 and steam jet pipe 5, be provided with auxiliary entering and exhaust channel 3 at the top of chamber body 1.
Figure 2 shows that type super large intake and exhaust amount wood drying kiln against the wind, comprise chamber body 1, material heap 6 is inserted the inside of chamber body 1, leave circulation air flue 7 between material heap 6 and chamber body 1 inwall, original entering and exhaust channel 2 is changed into the entering and exhaust channel 9 of increasing at the top of chamber body 1, in the circulation air flue at the top of chamber body 1, be respectively equipped with blower fan 4, heater 8 and steam jet pipe 5.
Figure 3 shows that crosswind type super large intake and exhaust amount wood drying kiln, comprise chamber body 1, material heap 6 is inserted the inside of chamber body 1, leave circulation air flue 7 between material heap 6 and chamber body 1 inwall, be provided with entering and exhaust channel 2 at the top of chamber body 1, in the circulation air flue of the side of chamber body 1, be respectively equipped with blower fan 4, heater 8 and steam jet pipe 5, be provided with auxiliary entering and exhaust channel 10 at the top of chamber body 1.
Embodiment 1
An active service hothouse, entering and exhaust channel basal area (M
2) with the total measurement (volume) (M of hothouse
3) ratio be 0.0026.Carry out in the timber drying, steam processing when spray and finish, the time marquis of cooling, entering and exhaust channel is unlimited fully, and room temperature drops to 60 ℃ by 90 ℃ will be with 9 hours.Yi Qi sheet material is produced in the Africa that first moisture content is more than 50%, 23mm is thick be dried to moisture content 10%, be with 25 days, the power consumption of every cubic metre of sheet material of drying is 132KWh; South America that first moisture content is more than 50%, 23mm is thick is produced Mount Huang olive wood plank be dried to moisture content 10%, be with 16 days.The power consumption of dry every cubic metre of sheet material is 84KWh.
Above-mentioned hothouse is transformed,, seen Fig. 1, perhaps original entering and exhaust channel cross section is strengthened, see Fig. 2, make the basal area (M of entering and exhaust channel at auxiliary entering and exhaust channel 3 of its top increase
2) with the total measurement (volume) (M of hothouse
3) ratio reach 0.0039.In dry run, when needing to quicken cooling, the auxiliary exhaust passageways 3 of original exhaust passage 2 and Xin Kai is all opened wide, room temperature drops to 60 ℃ by 90 ℃ and has only used 6 hours, Yi Qi sheet material is produced in the Africa that first moisture content is more than 50%, 23mm is thick be dried to moisture content 10%, only used 18 days, the power consumption of dry every cubic metre of sheet material only is 90KWh; South America that first moisture content is more than 50%, 23mm is thick is produced Mount Huang olive wood plank be dried to moisture content 10%, only used 12 days, the power consumption of dry every cubic metre of sheet material only is 59KWh.
Embodiment 2
Experimental technique is identical with embodiment 1 with condition, and just the ratio with the basal area of entering and exhaust channel and the volume of hothouse changes 0.0052 into.Room temperature drops to 60 ℃ by 90 ℃ and has only used 3 hours, and dry same Yi Qi sheet material has only been used 12.5 days, and the power consumption of every cubic metre of sheet material only is 52.8KWh; Dry same Mount Huang olive wood plank has only been used 8 days, and the power consumption of every cubic metre of sheet material only is 33.6KWh.
Open type entirely is made on hothouse top, seen Fig. 3, make entering and exhaust channel 2 and the ratio of the basal area of the exhaust duct 10 that opens wide and the total measurement (volume) of hothouse reaches 0.23, dry condition is identical with embodiment 1 with the sheet material of drying.Room temperature drops to 60 ℃ by 90 ℃ and has only used 40 minutes, because of the drying process requirement, immediately the top, chamber of opening is closed.Dry same Yi Qi sheet material has been used 12 days, and the power consumption of every cubic metre of sheet material is 51KWh; Dry same Mount Huang olive wood plank has been used 7.6 days, and the power consumption of every cubic metre of sheet material is 31.6KWh.
By above-mentioned 3 embodiment as can be known, no matter be newly-built super large intake and exhaust amount wood drying kiln, still the active service hothouse is transformed into super large intake and exhaust amount wood drying kiln, its purpose all is in order to need to quicken cooling in timber drying, dry indoor temperature can be descended 30 ℃ within 3 hours.So just, can cause the temperature of the timber face that is dried significantly to be lower than material heart temperature, give full play to the wet conductive effect of heat, the moisture of timber inside is derived fast, both can accelerate rate of drying, the inside and outside moisture gradient of timber be can reduce again, the cracking and the distortion that cause owing to moisture content gradient of wood is excessive delayed.Also know by these 3 embodiment, with the basal area (M of hothouse entering and exhaust channel
2) with the total measurement (volume) (M of hothouse
3) ratio between existing 0.0023 to 0.0026, change 0.0039 into, promptly produce appreciable results, changing 0.0052 to 0.23 this scope into is optimum range, when newly-built or transformation wood drying kiln, just can determine the basal area of entering and exhaust channel according to this optimum ratio scope.
Adopt the utility model super large intake and exhaust amount wood drying kiln to the not transformation of co-content hothouse of active service, three kinds of structures of Fig. 1, Fig. 2, Fig. 3 all are suitable for.
For newly-built hothouse, suitable adopt Fig. 2 structure of type super large intake and exhaust amount wood drying kiln and the scheme of embodiment 2 against the wind, but this structure also can be used for holding the super large intake and exhaust amount wood drying kiln of wind type and crosswind type.
The scheme of this specification embodiment 3 only is applicable to the hothouse of little volume.
Claims (2)
1. super large intake and exhaust amount wood drying kiln, comprise that the inside that is provided with entering and exhaust channel inserts the chamber body of material heap, leave the circulation air flue between material heap and the chamber body inwall, be respectively equipped with blower fan, heater and steam jet pipe in the circulation air flue, it is characterized in that: the basal area of entering and exhaust channel is 0.0039～0.23 with the ratio of the total measurement (volume) of chamber body.
2. super large intake and exhaust amount wood drying kiln as claimed in claim 1 is characterized in that: the basal area of described entering and exhaust channel is 0.0052～0.23 with the ratio of the total measurement (volume) of chamber body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02210434 CN2593991Y (en) | 2002-02-28 | 2002-02-28 | Wood drying bath with mass inlet and outlet airflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02210434 CN2593991Y (en) | 2002-02-28 | 2002-02-28 | Wood drying bath with mass inlet and outlet airflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2593991Y true CN2593991Y (en) | 2003-12-24 |
Family
ID=33690573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02210434 Expired - Fee Related CN2593991Y (en) | 2002-02-28 | 2002-02-28 | Wood drying bath with mass inlet and outlet airflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2593991Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815115B (en) * | 2006-03-13 | 2010-05-12 | 张云辉 | Wood rapid-drying method |
| CN108955112A (en) * | 2018-07-09 | 2018-12-07 | 内蒙古农业大学 | Module combined wood drier |
-
2002
- 2002-02-28 CN CN 02210434 patent/CN2593991Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815115B (en) * | 2006-03-13 | 2010-05-12 | 张云辉 | Wood rapid-drying method |
| CN108955112A (en) * | 2018-07-09 | 2018-12-07 | 内蒙古农业大学 | Module combined wood drier |
| CN108955112B (en) * | 2018-07-09 | 2020-08-18 | 内蒙古农业大学 | Module combined wood dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1815115B (en) | Wood rapid-drying method | |
| CN101561216B (en) | Method and system for drying wood | |
| CN106766837B (en) | A kind of frequency conversion capability-variable heat pump hot air drying system control method and its control device | |
| CN107192224B (en) | The energy-efficient drying device of minute-pressure self arrangement timber and drying means | |
| CN101148054A (en) | Wood high-temperature high-pressure overheat steam drying method and its drying device | |
| CN111438780B (en) | Integrated device for drying and heat treatment of timber by superheated steam and application method | |
| CN207991205U (en) | A kind of heating drier for before product treatment | |
| CN104964527B (en) | Lumber kiln | |
| CN202254665U (en) | Normal temperature drying device with controllable drying program | |
| CN2593991Y (en) | Wood drying bath with mass inlet and outlet airflow | |
| CN201805862U (en) | Tunnel type solar drying equipment for fruits | |
| CN1169658C (en) | Steam technology for drying wood | |
| CN211510553U (en) | Closed circulating type energy-saving curing barn for curing tobacco leaves | |
| CN206235094U (en) | A kind of lumber kiln | |
| CN208336375U (en) | A kind of lead-acid accumulator humidogene plate high temperature and pressure curing and drying device | |
| CN105716373A (en) | Method for drying poplar in dry kiln and used dry kiln | |
| CN207881390U (en) | A kind of efficient energy-saving drying room of sanitary ceramic ware | |
| CN1884945A (en) | Air flow jetting type material drying machine | |
| CN206474183U (en) | The quick temperature of low dew point high/low temperature becomes case | |
| CN205580106U (en) | Preserved pork drying system | |
| CN213147177U (en) | Drying equipment for special Chinese medicine extract | |
| CN205807993U (en) | A kind of Herba Anoectochili roxburghii freeze-drying apparatus | |
| CN206399128U (en) | Grape drying plant | |
| CN206596613U (en) | A kind of program control fermentation system of tealeaves | |
| CN205655613U (en) | Air blasting drying box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031224 Termination date: 20110228 |