CN2567510Y

CN2567510Y - Wood drying machine

Info

Publication number: CN2567510Y
Application number: CN 02272514
Authority: CN
Inventors: 梁汉华
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-15
Filing date: 2002-08-15
Publication date: 2003-08-20
Anticipated expiration: 2012-08-15

Abstract

The utility model belongs to a drying furnace, which is used for drying work of wood. The utility model is composed of a furnace wall, a combustion chamber, a furnace chamber and a chimney; a blower is installed on the top furnace of the drying furnace, and wind is blown into the furnace chamber to be heated to be transported into a drying room. The utility model is characterized in that an evaporator is also arranged in the furnace chamber, water is heated and vaporized into steam by the evaporator to be stored into a steam room, and a main steam valve is connected with the drying furnace. The utility model is the drying furnace for the wood, which can accurately control the temperature and the humidity of the wood to cause the wood to be dried.

Description

Timber drying oven

Technical field

The utility model relates to the wood processing technique field, a kind of drying oven that is used for drying of wood operation of more specifically saying so.

Background technology

At present, the hot-blast stove great majority that wood processing enterprise is used for timber stoving adopt steam boiler, but steam boiler is to dispel the heat to drying chamber by fin, perhaps more in addition blower fan dispel the backing heat radiation, the conduction of this radiating mode heat is slow, power consumption is high, complicated operation.The patent No. is that 96224740.5 " multifunction simple hot-air drying stove " is by fire door, the combustion chamber, burner hearth and chimney are formed, characteristics are burner hearth top peripheral hardware preheating chamber and preheating water tank, the top is established the plurality of rows formula and is subjected to heating pipe in the burner hearth, the entrance point of preheating chamber is associated with air blast, the exit is communicated by heating pipe with row's formula, row's formula is communicated with the air channel by the outlet of heating pipe, ducting outlet is located at bottom, chuck furnace wall, the preheating water tank is provided with sparge pipe and communicates with row's formula heat pipe, though it is slow that this has solved the heat conduction, the insufficient problem of Btu utilization, but it can not accurately stablize the quantity of control steam and hot blast, needed temperature and humidity when being difficult to the timber of unlike material dried, thereby in drying course, cause timber yielding easily, cracking does not reach best drying effect.

Goal of the invention

The purpose of this utility model is to provide a kind of can accurately control the timber drying oven that temperature and humidity is carried out kiln dried wood.

Technical scheme

For achieving the above object, the technical solution of the utility model is as follows: it is by the furnace wall, the combustion chamber, burner hearth and chimney are formed, on the combustion chamber, be provided with fire door, one blower fan is installed on the furnace roof of drying oven, have burner hearth at furnace roof, the row's of being provided with formula is subjected to heating pipe above burner hearth, row's formula is subjected to the exit of heating pipe connecting the hot blast spirality air channel of above-mentioned hearth wall, be provided with heat exchange fin in the air channel, blower fan is subjected to heating pipe to carry out becoming hot blast after the heat exchange row's formula that wind is blown in the burner hearth, hot blast continues to flow into hot blast spirality air channel and heats, deliver to the timber stoving chamber by ducting outlet afterwards, also be provided with evaporimeter in the above-mentioned burner hearth, row's formula that evaporimeter is arranged on top in the above-mentioned burner hearth is subjected to below the heating pipe, above the combustion chamber, the end that evaporimeter interts into lower furnace portion is connected with following riser, the other end passes upper furnace and is connected with vaporium by tedge, vaporium is provided with Pressure gauge, water intaking valve, stop valve and safety valve, stop valve is connected with drying oven, water flows into riser down by water intaking valve, inflow evaporator more afterwards, evaporimeter is heated and water heating is vaporized into steam stores up into vaporium, and the evaporimeter in the burner hearth can be with the form setting of horizontally-arranged or vertical setting of types.

Compared with prior art, the utlity model has following advantage: timber drying oven adopts the independent of steam and two kinds of drying functions of hot blast to be provided with, when air blasts wind passage mouth by air blast, thereafter air flows into row's formula and is subjected to heating pipe, because of being subjected to heating pipe, this row's formula crosses the burner hearth top, utilization is passed through therebetween high-temperature furnace gas and is added the hot type formula and be subjected to heating pipe, air in the pipe is heated, the air that is heated continues to flow to the spirality air channel of chuck furnace wall, because the furnace wall is under the conduction of heat of the furnace gas of flame combustion chamber, its wall temperature increases progressively from top to bottom, temperature in the spirality air channel is heated up gradually again, owing to adopt hot blast to be provided with separately, air can be regulated the temperature of air by blower fan and inner spirality air channel and heat exchange fin, thereby can more easily obtain required hot blast temperature and utilize the furnace gas heat fully; Row's formula that evaporimeter is arranged on top in the burner hearth is subjected to below the heating pipe, the combustion chamber above, the interior water of high-temperature furnace gas heating tube is therebetween passed through in the evaporimeter utilization, water is heated becomes steam, flow into vaporium behind the steam that becomes, steam in vaporium is controlled the humidity of the steam that emits by Pressure gauge and stop valve, thereby easily obtains the humidity of required steam when kiln dried wood.Can arrive the timber of the incompatible oven dry unlike material of best group of suitable steam moisture and hot blast temperature or steam and hot blast at last.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is embodiment of the present utility model.

Fig. 3 is another embodiment of the present utility model.

Fig. 4 is a vertical view of the present utility model.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

As shown in the figure, the utility model is by furnace wall 1, combustion chamber 2, burner hearth 3, form with chimney 4, on combustion chamber 2, be provided with fire door 18, one blower fan 5 is installed on the furnace roof of drying oven, have burner hearth 3 at furnace roof, the row's of being provided with formula is subjected to heating pipe 6 above burner hearth 3, row's formula is subjected to the exit of heating pipe 6 connecting the interior hot blast spirality air channel 7 of above-mentioned hearth wall, be provided with heat exchange fin 8 in the air channel 7, blower fan 5 is subjected to heating pipe 6 to carry out becoming hot blast after the heat exchange row's formula that wind is blown in the burner hearth 3, hot blast continues to flow into hot blast spirality air channel 7 and heats, deliver to the timber stoving chamber by air channel 7 outlets 17 afterwards, also be provided with evaporimeter 9 in the above-mentioned burner hearth, row's formula that evaporimeter 9 is arranged on top in the above-mentioned burner hearth 3 is subjected to below the heating pipe 6, above the combustion chamber 2, the end that evaporimeter 9 interts into burner hearth 3 bottoms is connected with following riser 10, the other end passes burner hearth 3 tops and is connected with vaporium 12 by tedge 11, vaporium 12 is provided with Pressure gauge 13, water intaking valve 14, stop valve 15 and safety valve 16, stop valve 15 is connected with drying oven, water flows into riser 10 down by water intaking valve 14, inflow evaporator 9 more afterwards, evaporimeter 9 is heated and water heating is vaporized into steam stores up into vaporium 12, and the evaporimeters 9 in the burner hearth 3 can be with the form setting of horizontally-arranged or vertical setting of types.

The course of work of the present utility model is as follows: at first timber clout or other comburant are put into the combustion chamber, light the combustion chamber afterwards, when producing hot furnace gas in the stove, start air blast air is blasted wind passage mouth, thereafter air flows into row's formula and is subjected to heating pipe, because of being subjected to heating pipe, this row's formula crosses the burner hearth top, utilization is passed through therebetween high-temperature furnace gas and is added the hot type formula and be subjected to heating pipe, air chance heat in the pipe is heated, the air that is heated continues to flow to the spirality air channel of chuck furnace wall, heat exchange fin in the spirality air channel can be heated air better, because the furnace wall is under the conduction of heat of the furnace gas of flame combustion chamber, its wall temperature increases progressively from top to bottom, and the temperature in the spirality air channel is heated up gradually again, and the hot-air after the intensification is arranged to the timber stoving room by hot-blast outlet at last; Evaporimeter is arranged on row's formula and is subjected to the below of heating pipe, the top of combustion chamber, the interior water of high-temperature furnace gas heating tube is therebetween passed through in the evaporimeter utilization, the interior water of pipe is heated becomes steam, thereafter steam flows into vaporium, steam in vaporium is controlled the humidity of the steam that emits by Pressure gauge and stop valve, adjusts required steam moisture and hot blast temperature or the incompatible kiln dried wood of both best group according to the timber of oven dry unlike material at last.

Claims

1, a kind of timber drying oven, mainly form by furnace wall, combustion chamber, burner hearth and chimney, one blower fan is installed on the furnace roof of drying oven, deliver to the timber stoving chamber after wind is blown in the burner hearth heating, it is characterized in that: also have evaporimeter in the above-mentioned burner hearth, evaporimeter is vaporized into steam with the water heating and stores up into vaporium, and stop valve is connected with drying oven.

2, timber drying oven according to claim 1 is characterized in that: described upper furnace is provided with row's formula and is subjected to heating pipe, and blower fan is blown into above-mentioned row's formula with wind and is subjected to heating pipe to carry out heat exchange.

3, timber drying oven according to claim 1 and 2 is characterized in that: above-mentioned row's formula is subjected to the exit of heating pipe also connecting the hot blast spirality air channel of above-mentioned hearth wall, is provided with heat exchange fin in the air channel.

4, timber drying oven according to claim 1 is characterized in that: above-mentioned vaporium is provided with Pressure gauge, water intaking valve, stop valve and safety valve.

5, timber drying oven according to claim 1 is characterized in that: row's formula that above-mentioned evaporimeter is arranged on top in the above-mentioned burner hearth is subjected to below the heating pipe, the combustion chamber above.

6, timber drying oven according to claim 1 is characterized in that: the end that evaporimeter interts into lower furnace portion is connected with following riser, and the evaporimeter other end passes upper furnace and is connected with vaporium by tedge.

7, timber drying oven according to claim 1 is characterized in that: the evaporimeter in the burner hearth can be set to the mode of horizontally-arranged or vertical setting of types.