CN217303383U

CN217303383U - Hot air generator for bamboo drying kiln

Info

Publication number: CN217303383U
Application number: CN202220868454.0U
Authority: CN
Inventors: 覃健林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-26
Anticipated expiration: 2032-04-14

Abstract

The utility model provides a hot-blast generator for bamboo timber drying kiln, including the kiln body that is used for forming the stoving cavity, the kiln position is equipped with hot-blast generator with stoving cavity intercommunication department in inlet air channel, the one end that inlet air channel is close to the discharge gate be equipped with the through-hole of stoving cavity intercommunication, hot-blast generator installs in through-hole department, and hot-blast generator transversely installs in through-hole department. Through transversely installing hot-blast generator in the kiln body, make its produced hot-blast direct blow to the hot-blast collection and distribution intracavity of the kiln body, can not lead to the heat loss, more can not cause the influence to kiln body inner wall and the condition that kiln body inner wall spalling damaged appears, and with the hot-blast generator after transversely installing, can arrange the ponding in the steam circulation pipe in the drain pipe through the pressure of steam input, and the water level of drain pipe highly is less than the pipeline height of steam circulation pipe, avoid in the drain pipe water to flow backward into in the steam circulation pipe, not only improved hot-blast generator's heating effect, energy loss has also been reduced, and is very practical.

Description

Hot air generator for bamboo drying kiln

Technical Field

The utility model relates to a bamboo timber drying kiln, in particular to hot-blast generator of bamboo timber drying kiln.

Background

At present, a hot air generator in a traditional bamboo drying kiln is vertically arranged in an air inlet pipeline, so that hot air generated by the hot air generator can be directly blown on the inner wall of a kiln body and then guided into a drying cavity of the kiln body, the temperature of the hot air formed by the hot air generator is high and can reach about 60 ℃, the hot air is blown on the peripheral inner walls of the kiln body for a long time, the heat loss is serious, and the inner walls of the kiln body are easily cracked due to drying, so that the kiln body is damaged, and the service life of the kiln body is influenced; at present, a hot air generator in the traditional technology basically adopts a steam heating or electric heating mode for heating, the electric heating mode is too high in energy consumption, and an electric heating part is easy to damage because equipment needs to work for a long time.

SUMMERY OF THE UTILITY MODEL

Not enough to current technique, the utility model provides a hot-blast generator for bamboo timber drying kiln.

In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides a hot-blast generator for bamboo timber drying kiln, is including the kiln body that is used for forming the stoving cavity, kiln body one end has the hydrofuge feed inlet, and the other end has the discharge gate, and discharge gate department is equipped with the kiln door, the kiln position is equipped with air intake and inferior hydrofuge mouth in hydrofuge feed inlet one end, the kiln internal interlayer that is used for separating air inlet channel with the stoving cavity that has of having, be equipped with the fan that drives the air current and flow in the air inlet channel, the kiln position is equipped with hot-blast generator with stoving cavity intercommunication department in air inlet channel, air inlet channel one end that is close to the discharge gate be equipped with the through-hole that communicates with the stoving cavity, hot-blast generator installs in through-hole department, and hot-blast generator transversely installs in through-hole department.

The hot air generator comprises an installation frame and a steam circulation pipe arranged in the installation frame, wherein one end of the steam circulation pipe is communicated with a steam injection pipe, and the other end of the steam circulation pipe is communicated with a drain pipe through a self-control valve and/or a manual control valve.

The hot-blast generator include two sets of installation frames from top to bottom at least, and every group installation frame has two rows of steam circulation pipes at least, just loop through the intercommunication return bend between two rows of steam circulation pipes and communicate into a complete steam runner, be equipped with automatic control valve and/or manual valve on the steam circulation pipe upper end mouth of pipe of lower floor's installation frame and the orificial intercommunication pipeline of steam circulation pipe lower extreme of upper strata installation frame.

The two rows of steam through pipes are arranged in a staggered mode.

The surface of the steam through pipe is provided with radiating fins.

The level of the upper steam circulation pipe is higher than that of the drain pipe or the level of the communication pipeline is higher than that of the drain pipe.

The drain pipe is arranged in the kiln body and is positioned between the fan and the hot air generator.

The utility model has the advantages that: the utility model provides a hot-blast generator for bamboo timber drying chamber, through transversely installing hot-blast generator in the kiln, make its produced hot-blast direct blow to the internal hot-blast collection and distribution intracavity of kiln, can not cause the influence and the condition that kiln internal wall season crack damaged appears to kiln internal wall, and with the horizontal installation back of hot-blast generator, pressure through steam input can be arranged the intraductal ponding of steam flow to the drain pipe in, and the water level of drain pipe highly is less than the pipeline height of steam flow pipe, it pours into steam flow pipe into backward to avoid the water in the drain pipe in, hot-blast generator's heating effect has not only been improved, energy loss has also been reduced, and is very practical.

Drawings

FIG. 1 is a schematic view of the kiln structure of the present invention;

FIG. 2 is a schematic structural view of a hot air generator according to the present invention;

FIG. 3 is a schematic view of the structure of the hot air generator and the drain pipe of the present invention;

fig. 4 is a schematic view of the position of the drain pipe according to the present invention.

Detailed Description

As shown in fig. 1 to 4, a hot air generator 8 for a bamboo drying kiln comprises a kiln body 1 for forming a drying chamber, wherein one end of the kiln body 1 is provided with a moisture discharging feed port 2, the moisture discharging feed port 2 plays a role of feeding and also plays a role of discharging hot and wet air flow, the moisture discharging feed port 2 is used for feeding in the whole, and the upper half part of the moisture discharging feed port is used for discharging the hot and wet air flow; the other end is provided with a discharge port 3, a kiln door 31 is arranged at the discharge port 3, an air inlet 4 and a secondary moisture discharge port 5 are arranged at one end of the kiln body 1, which is positioned at the moisture discharge feed port 2, the secondary moisture discharge port 5 is a secondary moisture discharge port and plays a role of auxiliary moisture discharge, and the primary moisture discharge port and the secondary moisture discharge port are the upper half part of the moisture discharge feed port 2 and mainly perform moisture discharge by the upper half part of the moisture discharge feed port 2; kiln body 1 in have and be used for separating the interlayer 6 of inlet air duct a with the stoving cavity, be equipped with the fan 7 that drives the air current and flow in the inlet air duct a, kiln body 1 is located inlet air duct a and stoving cavity intercommunication department and is equipped with hot-blast generator 8, inlet air duct a be close to the one end of discharge gate 3 and be equipped with the through-hole with the stoving cavity intercommunication, hot-blast generator 8 is installed in through-hole department, and hot-blast generator 8 transversely installs in through-hole department, in traditional stoving kiln, hot-blast generator 8 is vertical to be installed in inlet air duct a, can directly blow on kiln body 1 inner wall all around after hot-blast generator 8 heats the cold air current on, because hot-blast temperature is higher, in the long term, can lead to kiln body 1 inner wall to take place the desiccation, cause the damage to kiln body 1, influence the life and the maintenance cost of kiln body 1.

The hot air generator 8 comprises an installation frame 81 and a steam through pipe 82 arranged in the installation frame 81, one end of the steam through pipe 82 is communicated with a steam injection pipe 83, the other end of the steam through pipe 82 is communicated with a water discharge pipe 86 through an automatic control valve 84 and/or a manual control valve 85, the installation frame 81 is fixed in the kiln body 1, the steam through pipe 82 is fixed in the installation frame 81, cold air outside the pipeline is contacted and liquefied in the pipeline after steam is injected to form accumulated water, and the accumulated water is discharged into the water discharge pipe 86 through the automatic control valve 84 or the manual control valve 85.

The hot air generator 8 at least comprises an upper group of mounting frames 81 and a lower group of mounting frames 81, each group of mounting frames 81 is provided with at least two rows of steam through pipes 82, the two rows of steam through pipes 82 are sequentially communicated with each other through a communication elbow pipe to form a complete steam flow channel, a communication pipeline between an upper end pipe orifice of the steam through pipe 82 of the lower layer of mounting frame 81 and a lower end pipe orifice of the steam through pipe 82 of the upper layer of mounting frame 81 is provided with a self-control valve 84 and/or a manual control valve 85, in short, the steam through pipe 82 is a continuously bent pipeline, the length of the steam through pipe is increased for multiple times through bending, so that the contact area between the steam through pipe 82 of the upper layer of mounting frame 81 and the airflow is increased, the heating effect is improved, in the embodiment, the self-control valve 84 and the manual control valve 85 are installed together, and when the self-control valve 84 fails, the manual control valve 85 can control the water drainage.

The two rows of steam circulation pipes 82 are arranged in a staggered mode, the two rows of steam circulation pipes 82 are formed by continuously bending and arranging one steam circulation pipe 82, and the staggered arrangement is also used for improving the contact surface with air flow and improving the heating effect.

The surface of the steam through pipe 82 is provided with the cooling fins 821, and the cooling fins 821 are added on the surface of the steam through pipe 82 to increase the contact area between the steam through pipe 82 and the air flow, so as to further improve the heating effect.

The level of the upper steam through pipe 82 is higher than that of the drain pipe 86 or the level of the communication pipeline is higher than that of the drain pipe 86, and the level of the drain pipe 86 is lower than the pipeline height of the steam through pipe 82, so that water in the drain pipe 86 can be prevented from flowing backwards into the steam through pipe 82, or a check valve is arranged between the drain pipe 86 and the steam through pipe 82, and water in the drain pipe 86 is prevented from flowing backwards.

The drain pipe 86 is arranged at a position between the fan 7 and the hot air generator 8 in the kiln body 1, and the drain pipe 86 is arranged at the position, so that the two benefits are achieved, firstly, the temperature of the drain pipe 86 can be utilized to heat air flow, and secondly, the temperature of the drain pipe 86 can be reduced through air flow, so that the temperature of discharged water is lower.

The utility model has the advantages that: the utility model provides a hot-blast generator for bamboo timber drying chamber, through transversely installing hot-blast generator in the kiln body, make the hot-blast collection and distribution intracavity of the kiln body that directly blows to of its produced, can not cause the heat loss, can not cause the influence to kiln internal wall and the condition that kiln internal wall spalling damaged appears, and transversely install the back with hot-blast generator, can arrange the intraductal ponding of steam circulation in the drain pipe through the pressure of steam input, and the water level of drain pipe highly is less than the pipeline height of steam circulation pipe, it pours into steam circulation pipe into to avoid the water in the drain pipe backward, the heating effect of hot-blast generator has not only been improved, energy loss has also been reduced, and is very practical.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a hot-blast generator for bamboo timber drying kiln, is including the kiln body that is used for forming the stoving cavity, kiln body one end has the hydrofuge feed inlet, and the other end has the discharge gate, and discharge gate department is equipped with the kiln door, kiln body position is equipped with air intake and inferior hydrofuge mouth in hydrofuge feed inlet one end, the kiln in physically have and be used for separating air inlet channel's interlayer with the stoving cavity, be equipped with the fan that drives the air current and flow in the air inlet channel, kiln body position is equipped with hot-blast generator with stoving cavity intercommunication department, its characterized in that, air inlet channel be close to the one end of discharge gate and be equipped with the through-hole that communicates with the stoving cavity, hot-blast generator installs in through-hole department, and hot-blast generator transversely installs in through-hole department.

2. The hot air generator for the bamboo drying kiln as claimed in claim 1, wherein the hot air generator comprises a mounting frame, and a steam circulation pipe arranged in the mounting frame, one end of the steam circulation pipe is communicated with the steam injection pipe, and the other end of the steam circulation pipe is communicated with the drain pipe through an automatic control valve and/or a manual control valve.

3. The hot air generator as claimed in claim 2, wherein the hot air generator comprises at least two sets of upper and lower mounting frames, each set of mounting frame has at least two rows of steam flow pipes, and the two rows of steam flow pipes are sequentially communicated with each other through a communication elbow pipe to form a complete steam flow channel, and a communication pipe between an upper end pipe orifice of the steam flow pipe of the lower mounting frame and a lower end pipe orifice of the steam flow pipe of the upper mounting frame is provided with a self-control valve and/or a manual control valve.

4. The hot air generator for the bamboo drying kiln as claimed in claim 3, wherein the two rows of steam circulation pipes are arranged in a staggered manner.

5. The hot air generator for the bamboo drying kiln as claimed in any one of claims 2 to 4, wherein the surface of the steam through pipe is provided with cooling fins.

6. The hot air generator for the bamboo drying kiln as claimed in claim 3, wherein the upper steam circulation pipe is higher than the drain pipe or the connecting pipe is higher than the drain pipe.

7. The hot air generator for the bamboo drying kiln as claimed in claim 2, wherein the drain pipe is provided in the kiln body at a position between the fan and the hot air generator.