CN201110701Y

CN201110701Y - Lumber kiln

Info

Publication number: CN201110701Y
Application number: CNU2007200291159U
Authority: CN
Inventors: 李祥文; 丁占科
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-12
Filing date: 2007-10-12
Publication date: 2008-09-03
Anticipated expiration: 2017-10-12

Abstract

The utility model discloses a timber drying kiln. Isolating walls are arranged between the top and the bottom inside a drying kiln, the isolating walls divide the space inside the kiln into an air heating chamber for installing a drying furnace and a timber drying chamber, the upper portion of the isolating walls is provided with an upper ventilation opening, the lower portion of the isolating walls is provided with a lower ventilation opening, a fan for blowing air from the timber drying chamber to the air heating chamber is disposed between the timber drying chamber and the air heating chamber, and an air discharge passage is arranged correspondingly to the top of the timber drying chamber. Because of being disposed at the upper ventilation opening, the fan sucks hot air from the timber drying chamber and blows the hot air in a timber heating chamber without backflow, thereby leading hot air cycle to be smooth and drying quality to be increased. An isolating wall is disposed between the air heating chamber and the timber drying chamber, thereby avoiding scorching the timber near a combustion furnace caused by excess temperature with timber away from the combustion furnace not dried, and drying timber more uniformly.

Description

Lumber kiln

Technical field

The utility model relates to a kind of drying kiln technical field, relates in particular to a kind of lumber kiln that is exclusively used in timber stoving.

Background technology

At present, known a kind of lumber kiln has independently drying chamber and heating clamber, places timber in the drying chamber, is provided with hot-air channel between drying chamber and the heating clamber, and the bottom of drying chamber is provided with steam vent.During use, place timber in drying chamber, the hot blast that heating clamber produces is introduced drying chamber by hot-air channel, owing to hot air rises naturally, and cold moisture descends, and moisture is just discharged from steam vent, and the air of heat is dried timber.The hot blast of this kiln can not circulate, and the thermal efficiency is low, has caused the timber stoving cost too high, has influenced the market competitiveness.

The utility model content

Technical problem to be solved in the utility model provides a kind of thermal efficiency height, and the lumber kiln that oven dry is even, dries quantity is good.

For solving the problems of the technologies described above, the technical solution of the utility model is: lumber kiln, in drying kiln, be provided with the divider wall that extends to the kiln wall from ground, and described divider wall is separated into kiln space hotair chamber and the timber stoving chamber that is used to install drying oven; The top of described divider wall is provided with ventilating opening, and the bottom of described divider wall is provided with down ventilating opening, and described upward ventilating opening place is provided with and is used for from the timber stoving chamber to the fan of hotair chamber blowing; The top kiln wall of described timber stoving chamber is provided with the exhaust passage.

As a kind of improvement, described divider wall comprises the upwardly extending wall from ground, is arranged at the horizontal baffle between the side kiln wall of the top of described wall and hotair chamber, and the described ventilating opening of going up is opened on the described horizontal baffle.

As a kind of improvement, described divider wall is by upwardly extending wall constitutes from ground, and described wall extends to the top kiln wall of drying kiln, and described upward ventilating opening is opened in the top of described wall.

As a kind of improvement, described wall is the body of wall that is made of heat preserving and insulating material.

As further improvement, described wall is that brick mixes wall.

Adopted technique scheme, the beneficial effects of the utility model are: lumber kiln, in drying kiln, be provided with the divider wall that extends to the kiln wall from ground, and described divider wall is separated into kiln space hotair chamber and the timber stoving chamber that is used to install drying oven; The top of described divider wall is provided with ventilating opening, and the bottom of described divider wall is provided with down ventilating opening, and described upward ventilating opening place is provided with and is used for from the timber stoving chamber to the fan of hotair chamber blowing; The top kiln wall of described timber stoving chamber is provided with the exhaust passage; Under the effect of fan, the air that temperature is lower sucks hotair chamber from the timber stoving chamber, after the hotair chamber heating, the higher air of temperature enters the timber stoving chamber from the following ventilating opening of divider wall bottom again, form the forced convertion of air, thereby improved the thermal efficiency of drying kiln.And because fan is installed in the ventilating opening place, the wind that blows out from fan is forced to enter the timber stoving chamber from following ventilating opening, can not flow backwards, and makes hot air circulation more unimpeded evenly, and dries quantity is improved.

The wall that constitutes divider wall is preferably the body of wall that is made of heat preserving and insulating material, it is too high to make zone near wall be unlikely to temperature, and it is low excessively to be unlikely to temperature away from the zone of wall, avoided near the timber of close combustion furnace burned, and also do not dry the generation of phenomenon away from the timber of combustion furnace, drying effect is more even.And, there is not other facility in that timber stoving is indoor, can hold timber to greatest extent, improved the oven dry amount of drying kiln, wall adopts brick to mix wall, when packing timber into, is not afraid of and collides with, and is not fragile.

Description of drawings

Fig. 1 is the structural representation of first kind of embodiment of the utility model;

Fig. 2 is the structural representation of second kind of embodiment of the utility model.

The specific embodiment

As shown in Figure 1 and Figure 2, lumber kiln is provided with the divider wall that extends to the kiln wall from ground in drying kiln, and described divider wall is separated into kiln space hotair chamber 1 and the timber stoving chamber 2 that is used to install drying oven; The top of described divider wall is provided with ventilating opening, and the bottom of described divider wall is provided with down ventilating opening 5, and described upward ventilating opening place is provided with and is used for from timber stoving chamber 2 to the fan 4 of hotair chamber 1 blowing; The top kiln wall of described timber stoving chamber 2 is provided with exhaust passage 6.

Described divider wall comprises the upwardly extending wall 3 from ground, is arranged at the horizontal baffle 9 between the side kiln wall of the top of described wall 3 and hotair chamber 1, and the described ventilating opening 9 of going up is opened on the described horizontal baffle 9.

Described divider wall is by upwardly extending wall 3 constitutes from ground, and described wall 3 extends to the top kiln wall of drying kiln, and described upward ventilating opening is opened in the top of described wall 3.

Described divider wall 3 is to mix wall by the brick that heat preserving and insulating material constitutes.

Because the difference of last vent position causes the installation site difference of fan 4, when fan is installed in the top of wall 3, the wind that fan 4 blows out will be blown to Yao Bishang, stop again to walk through the kiln wall to the bottom, through combustion furnace 7 heating, enter timber stoving chamber 2 by following ventilating opening 5, form circulation; In the kiln wall, the kiln wall will be taken away the part heat in wind.

When fan 4 was installed on the horizontal baffle 9, fan 4 directly blowed to combustion furnace 7 in the hotair chamber 1 with wind, after the combustion furnace heating, entered timber stoving chamber 2 from ventilating opening 5 down, formed circulation; The top that is installed in wall 3 with fan is compared, its thermal loss still less, circulating effect is better.

Be provided with combustion furnace 7 in timber stoving chamber 2, because the temperature near the combustion furnace place is higher relatively, so occur the oven dry non-uniform phenomenon easily, and divider wall existence avoided this problem, because divider wall has the heat-insulation and heat-preservation effect, so that can dry simultaneously near the timber of divider wall with away from the timber of divider wall, the oven dry that can have is inexcessive, the phenomenon that does not also have oven dry that has; And when packing timber into, also be not easy to damage.

In the process of oven dry, materials such as the moisture that is extruded from timber will enter in the circulating air, hot blast humidity is increased, and the exhaust passage 6 that is located at 2 tops, timber stoving chamber can humidity ratio is bigger hot blast discharge timber stoving chamber 2, thereby accelerate the oven dry of timber, exhaust passage 6 is provided with switching device, and the time spent does not close at ordinary times, when needs are got rid of moisture, open, arranged to close again and get final product.

Timber stoving chamber 2 is provided with thermal insulating door thermally insulated door 8.Thermal insulating door thermally insulated door 8 can open and close, thereby realizes packing into and taking out of timber.

Claims

1. lumber kiln, it is characterized in that: be provided with the divider wall that extends to the kiln wall from ground in drying kiln, described divider wall is separated into kiln space hotair chamber (1) and timber stoving chamber (2) that are used to install drying oven; The top of described divider wall is provided with ventilating opening, and the bottom of described divider wall is provided with down ventilating opening (5), and described upward ventilating opening place is provided with and is used for from timber stoving chamber (2) fan (4) to hotair chamber (1) blowing; The top kiln wall of described timber stoving chamber (2) is provided with exhaust passage (6).

2. lumber kiln as claimed in claim 1, it is characterized in that: described divider wall comprises the upwardly extending wall (3) from ground, be arranged at the horizontal baffle (9) between the side kiln wall of the top of described wall (3) and hotair chamber (1), the described ventilating opening (9) of going up is opened on the described horizontal baffle (9).

3. lumber kiln as claimed in claim 1 is characterized in that: described divider wall is by upwardly extending wall (3) constitutes from ground, and described wall (3) extends to the top kiln wall of drying kiln, and described upward ventilating opening is opened in the top of described wall (3).

4. as claim 2 or 3 described lumber kilns, it is characterized in that: described wall (3) is the body of wall that is made of heat preserving and insulating material.

5. lumber kiln as claimed in claim 4 is characterized in that: described wall (3) is that brick mixes wall.