CN214620506U

CN214620506U - Wood drying equipment

Info

Publication number: CN214620506U
Application number: CN202120942841.XU
Authority: CN
Inventors: 王光来
Original assignee: Xiamen Lvyuan Energy Saving Equipment Co ltd
Current assignee: Xiamen Lvyuan Energy Saving Equipment Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-05
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a timber drying equipment relates to timber production facility technical field, its technical scheme mainly includes stoving passageway and heating system, heating system is in order to be used for to the interior hot blast of heat supply of stoving passageway, the setting is dried in order to be used for to timber to the stoving passageway, the feed inlet and the discharge gate of stoving passageway all communicate the setting with external atmosphere, the stoving passageway includes high-temperature high-humidity section and the stoving section that sets gradually along material advancing direction, still be provided with the hydrofuge section that is used for detaching timber surface attached water between high-temperature high-humidity section and the stoving section. This application has the effect that improves timber drying equipment's drying efficiency.

Description

Wood drying equipment

Technical Field

The application relates to the technical field of wood production equipment, in particular to wood drying equipment.

Background

At present, in woodwork processing, metal product processing and leather goods processing, the stoving is a section of process that timber production process is very important, and the work piece can have some moisture by the way in preface technology processing procedure, especially woodwork, and the moisture content is on the high side, if not fully dry, then lead to the woodwork condition of getting damp and mildewing very easily, influence ligneous product quality, for the drying efficiency who improves all kinds of work pieces, begin to appear carrying out the drying furnace cellar for storing things that dries to timber.

Among the prior art, drying furnace cellar for storing things mainly includes stoving passageway and heating system, the both ends opening setting of stoving passageway is used in the business turn over that supplies the material, the usable overhead chain conveyer of work piece, band conveyer or shallow mode are carried, heating system is in order to be used for producing hot-blastly, heating system's air outlet and stoving passageway intercommunication to make in the hot-blastly can the conveying of heating system provides the stoving passageway, finally reach the effect of drying to the work piece of carrying in the stoving passageway.

However, in the actual production process, the inventors found that the following drawbacks exist: in the drying process of the drying furnace cellar, moisture on the wood in the drying channel is thermally evaporated to ambient gas, so that the moisture content in the gas in the drying channel is higher, the drying efficiency of the wood is lower, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve timber drying equipment's drying efficiency, this application provides a timber drying equipment.

The application provides a timber drying equipment adopts following technical scheme:

the utility model provides a timber drying equipment, includes in order to be used for carrying out the stoving passageway of drying to timber, the stoving passageway includes high-temperature high-humidity section and the stoving section that sets gradually along material advancing direction, still be provided with the wet section of row between high-temperature high-humidity section and the stoving section.

Through adopting above-mentioned technical scheme, the material gets into the high wet section of high temperature and heaies up earlier and dries, and the high wet section moisture content of high temperature is higher, consequently is provided with the wet section of row behind the high wet section of high temperature again, carries out the wet processing of row to air current and the timber that will get into next section high temperature drying district earlier through the wet section of row, reduces air current and the ligneous moisture content in the drying section, and then improves ligneous drying efficiency.

Preferably, the dehumidifying section is provided with a notch for communicating the drying channel with the outside atmosphere, the notch is located on two sides of the drying channel along the material advancing direction, and an air supply device for blowing high-pressure cooling air towards the wood direction is arranged at the notch.

Through adopting above-mentioned technical scheme, realize the hydrofuge effect through being provided with breach and air supply arrangement at the hydrofuge section. Specifically, under the drying action of hot air passing through a high-temperature high-humidity section, free water in the wood escapes to the surface of the wood to form attached water, part of the attached water is evaporated to ambient air under the action of high temperature, and part of the attached water is still remained on the surface of the wood. The air supply device is used for conveying natural air in the outside atmosphere into the drying channel at high pressure and blowing the wood, and the wood is rapidly cooled by utilizing high-speed natural air, so that the attached water on the surface of the wood is rapidly evaporated. Utilize the characteristics of breach and external intercommunication simultaneously, can discharge the high humid air current of high temperature high humidity section to external atmosphere in to reduce high humid air current and get into the stoving section, so, can high-efficiently reduce the air current and the ligneous moisture content that get into in the stoving section, further improve ligneous drying efficiency.

Preferably, the two notches are provided with air supply devices, and the two air supply devices are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, be crisscross the setting through the air supply arrangement setting with on the two breach for the air current of both sides staggers the setting, reduces the condition that both sides air supply arrangement air current offset influences the dehumidification effect.

Preferably, the two air supply devices are arranged in a staggered mode along the vertical direction.

Through adopting above-mentioned technical scheme, utilize two air supply arrangement that stagger in the height to set up can blow more abundant to the both ends of direction of height on the timber, more comprehensive drying to timber.

Preferably, the two air supply devices are arranged in a staggered mode along the material advancing direction.

By adopting the technical scheme, the air supply device is arranged to be staggered along the advancing direction of the material, so that the distance of the moisture discharging section can be prolonged, and the moisture discharging efficiency of the moisture discharging section is further improved.

Preferably, a backflow baffle plate positioned between the moisture discharging section and the drying end is further arranged in the drying channel.

Through adopting above-mentioned technical scheme, the setting of backward flow baffle gets into the stoving section with the air current that can further reduction high temperature high humidity section, further reduces the moisture content of air current in the drying end, further improves the drying efficiency of stoving section.

Preferably, the feed inlet of the drying channel is communicated with the outside atmosphere.

Through adopting above-mentioned technical scheme, through the feed inlet and the external intercommunication setting with the stoving passageway, can directly discharge the high humid air current in the high temperature high humidity section to external atmosphere, further reduce the moisture content in the high temperature high humidity section.

Preferably, still include the heating system to the hot-blast of stoving passageway, heating system includes heat transfer room, heat exchange tube and heating device, the air outlet and the stoving passageway intercommunication of heat transfer room set up, heating device burning produces steam and carries to in the heat exchange tube, the heat exchange tube sets up in the heat transfer room, the stoving section is provided with the return air inlet that sets up with the air intake intercommunication of heat transfer room.

By adopting the technical scheme, the air return opening is formed in the drying section, so that high-temperature air flow in the drying section can be recycled to the heat exchange chamber for further utilization by utilizing the air return opening, and the utilization rate of heat energy in a heat supply system is improved.

Preferably, the heat exchange chamber is further provided with an air supplementing device for supplying air into the heat exchange chamber, and the air supplementing device is communicated with the outside atmosphere.

Through adopting above-mentioned technical scheme, because the air current in the high-temperature high-humidity section is not recycle, lead to the indoor return air volume of heat transfer not enough, consequently will be provided with the air supplement device on the heat transfer room and further supply the amount of wind, improve the stability that heating system circulated air flows.

In summary, the present application includes at least one of the following beneficial technical effects:

the drying channel comprises a high-temperature high-humidity section and a drying section, the moisture discharging section is arranged between the high-temperature high-humidity section and the drying section, moisture discharging operation is carried out through the moisture discharging section, the moisture content in the drying section is reduced, and the drying efficiency of the wood drying equipment is improved;

an air return opening is formed in the drying section, and an air supplementing device is arranged in the heat exchange chamber, so that the heat utilization rate of the heating system is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a wood drying apparatus according to embodiment 1 of the present application;

fig. 2 is a schematic view of the overall structure of the wood drying apparatus according to embodiment 2 of the present application.

Reference numerals: 1. a drying channel; 11. a high-temperature and high-humidity section; 12. a drying section; 13. a moisture removal section; 2. a heating system; 21. a heat exchange chamber; 22. a heat exchange pipe; 23. a heating device; 3. a feed inlet; 4. a discharge port; 5. a notch; 6. an air supply device; 7. a reflux baffle; 8. an air return opening; 9. air supplement device.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses timber drying equipment.

Example 1:

referring to fig. 1, the wood drying equipment includes a drying channel 1 and a heat supply system 2, the heat supply system 2 is used for supplying hot air to the interior of the drying channel 1, the drying channel 1 is used for drying wood, a feed inlet 3 and a discharge outlet 4 of the drying channel 1 are communicated with the outside atmosphere, the drying channel 1 includes a high-temperature high-humidity section 11 and a drying section 12 which are sequentially arranged along the material advancing direction, and a dehumidifying section 13 for removing water attached to the surface of the wood is further arranged between the high-temperature high-humidity section 11 and the drying section 12.

Specifically, in this embodiment, the high-temperature and high-humidity section 11 has two ends sequentially arranged, the dehumidifying sections 13 are arranged between the high-temperature and high-humidity sections 11 at the two ends and between the high-temperature and high-humidity section 11 and the drying section 12, and the high-temperature heating evaporation and dehumidification effects are performed on the wood for a plurality of times through the high-temperature and high-humidity sections 11 at the two ends and the dehumidifying sections 13 at the two ends.

The dehumidification section 13 is provided with a notch 5 for communicating the drying channel 1 with the outside atmosphere, the notch 5 is located on two sides of the drying channel 1 along the material advancing direction, each notch 5 is provided with an air supply device 6 for blowing high-pressure cooling air towards the direction perpendicular to the wood conveying direction, the high-pressure cooling air in the embodiment is natural air in the outside atmosphere, and the air supply device 6 is a high-pressure fan. Because the free water in the wood escapes to the surface of the wood to form attached water under the drying action of the hot air passing through the high-temperature high-humidity section 11, part of the attached water is evaporated to the ambient air under the action of high temperature, and part of the attached water is still remained on the surface of the wood. The air supply device 6 is used for conveying natural air in the outside atmosphere into the drying channel 1 at high pressure and blowing the wood, and the wood is rapidly cooled by the natural air, so that the attached water on the surface of the wood is rapidly evaporated. Meanwhile, by utilizing the characteristic that the notch 5 is communicated with the outside, the high-humidity airflow of the high-temperature and high-humidity section 11 can be discharged to the outside atmosphere to reduce the high-humidity airflow entering the drying section 12, so that the airflow entering the drying section 12 and the moisture content of wood can be efficiently reduced, and the drying efficiency of the wood is further improved.

Further, all be provided with air supply arrangement 6 on two breachs 5 on the same hydrofuge section 13, and air supply arrangement 6 on both sides sets up along drying channel 1 direction of height is crisscross for the air current that air supply arrangement 6 on both sides produced forms crisscross setting, can carry out more comprehensive hydrofuge to ligneous each position on the one hand, and on the other hand is convenient for discharge the air current of high temperature high humidity section 11 from breach 5 on one side in addition under high velocity air's effect.

Further, in order to reduce the air flow entering the drying section 12 from the high-temperature and high-humidity section 11, a backflow baffle 7 for blocking the air flow entering the drying section 12 is arranged at the feeding end of the drying section 12, and the backflow baffle 7 is installed between the dehumidifying section 13 and the drying end in the drying channel 1.

The heating system 2 comprises a heat exchange chamber 21, a heat exchange tube 22 and a heating device 23, an air outlet of the heat exchange chamber 21 is communicated with the drying channel 1, the heating device 23 burns to generate hot air and conveys the hot air into the heat exchange tube 22, the heat exchange tube 22 is installed in the heat exchange chamber 21, the flow direction of the hot air in the heat exchange tube 22 is opposite to the flow direction of the air flow in the heat exchange chamber 21, an air return opening 8 communicated with an air inlet of the heat exchange chamber 21 is formed in the position, close to the discharging end of the drying channel 1, of the drying section 12, the moisture content in the hot air of the drying section 12 is low, the hot air can flow back into the heat exchange chamber 21 through the air return opening 8 to be reused, and the heat energy utilization rate of the heating system 2 is improved.

Further, because heating system 2 gets into the high wet section 11 of high temperature hot-blast not recycle, lead to the uneven condition of whole heating system 2's circulating air flow, consequently, will install the air supply device 9 that is used for supplying air towards in the heat transfer room 21 at the air intake of heat transfer room 21, air supply device 9 specifically sets up to the fan, air supply device 9 and external atmosphere intercommunication set up, when the return air volume in the heat transfer room 21 is not enough to maintain the demand of heating system 2 circulating air flow, will carry out the air supply operation to heat transfer room 21 through air supply device 9.

The implementation principle of the embodiment 1 is as follows: the material gets into first section high temperature high humidity section 11 from drying channel 1 feed inlet 3 and carries out first section stoving, when the material marchd the hydrofuge section 13 between first section high temperature high humidity section 11 and the second section high temperature high humidity section 11, the material carries out first hydrofuge operation, then gets into the high temperature high humidity section 11 of second section again and carries out stoving operation once more, gets into the stoving end after the stoving is accomplished and carries out the hydrofuge operation through second section hydrofuge section 13 and dries.

Example 2:

referring to fig. 2, the present embodiment is different from embodiment 1 in that two air blowing devices 6 disposed opposite to each other are disposed in a staggered manner in the material advancing direction, and the air blowing devices 6 are disposed in a staggered manner in the material advancing direction, so that the distance of the moisture removing section 13 can be extended, and the moisture removing efficiency of the moisture removing section 13 can be further improved.

The implementation principle of the embodiment 2 is as follows: the difference from the embodiment 1 is that the material passes through the blowing and dehumidifying actions of the air supply devices 6 on the two sides in sequence when the material advances to the dehumidifying section 13.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a timber drying equipment which characterized in that: including drying channel (1) in order to be used for drying timber, drying channel (1) includes high temperature high humidity section (11) and stoving section (12) that set gradually along material advancing direction, still be provided with between high temperature high humidity section (11) and stoving section (12) and arrange wet section (13).

2. The wood drying apparatus of claim 1, wherein: the dehumidifying section (13) is provided with a notch (5) for communicating the drying channel (1) with the outside atmosphere, the notch (5) is positioned on two sides of the drying channel (1) along the advancing direction of the material, and an air supply device (6) for blowing high-pressure cooling air towards the direction of the wood is arranged at the notch (5).

3. The wood drying apparatus of claim 2, wherein: two air supply devices (6) are arranged on the notches (5), and the two air supply devices (6) are arranged in a staggered mode.

4. The wood drying apparatus of claim 3, wherein: the two air supply devices (6) are arranged in a staggered mode along the vertical direction.

5. The wood drying apparatus of claim 3, wherein: the two air supply devices (6) are arranged in a staggered mode along the material advancing direction.

6. The wood drying apparatus of claim 2, wherein: and a backflow baffle (7) positioned between the moisture discharging section (13) and the drying end is also arranged in the drying channel (1).

7. The wood drying apparatus of claim 2, wherein: and the feed inlet (3) of the drying channel (1) is communicated with the outside atmosphere.

8. The wood drying apparatus of claim 1, wherein: still include heating system (2) to stoving passageway (1) hot blast, heating system (2) are including heat transfer room (21), heat exchange tube (22) and heating device (23), the air outlet and the stoving passageway (1) intercommunication setting of heat transfer room (21), heating device (23) burning produces steam and carries to in heat exchange tube (22), heat exchange tube (22) set up in heat transfer room (21), stoving section (12) are provided with return air inlet (8) that set up with the air intake intercommunication of heat transfer room (21).

9. The wood drying apparatus of claim 8, wherein: the heat exchange chamber (21) is also provided with an air supplementing device (9) used for supplying air into the heat exchange chamber (21), and the air supplementing device (9) is communicated with the outside atmosphere.