CN212778466U - Mesh belt type wood board drying furnace - Google Patents

Abstract

The utility model relates to the field of drying furnaces, in particular to a mesh belt type wood drying furnace, which comprises a furnace body, a conveying device, an electric heating wire, a hot air device and an electric control temperature control device, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the furnace body, a moisture discharging port is arranged at the upper end of the furnace body, the conveying device comprises a cycloidal needle speed reducer, a chain, a driving sprocket and a conveying device, the conveying device comprises a driven sprocket, a mesh belt driving wheel device, a mesh belt tensioning wheel device and a mesh belt, and the cycloidal needle speed reducer is arranged at the upper; the board is conveyed to the mesh belt type board drying furnace feeding port through manual or mechanical handles, the conveying device is utilized, the mesh belt continuously conveys the board into the furnace body, the running speed of the mesh belt can be controlled through controlling the speed of the cycloid needle speed reducer, and therefore the accurate time for drying the control board in the furnace body can facilitate manual placement of the board and taking out of the board, the accurate time for drying the control board can reduce the complexity of operation.

Description

Mesh belt type wood board drying furnace

Technical Field

The utility model belongs to the technical field of the drying furnace and specifically relates to a mesh belt plank drying furnace is related to.

Background

The wood board is an important material used in home decoration and furniture, the moisture control of the wood board is needed in the use process of the wood board, the moisture drying is needed in the moisture control process of the wood board, the better drying is needed in the moisture control process, the safety of the wood board is guaranteed by drying, the wood board cannot be baked by naked flame, and the quality of the wood board is guaranteed.

At the present stage, in the wood board drying process, the drying efficiency is low, damage is caused in the wood board drying process, heat is directly discharged, resources are wasted, the environment is polluted, and the operation efficiency is low; in order to solve this problem, the prior art proposes a board drying oven as described in the publication "CN 210180030U", through which efficient drying of boards can be achieved, but the problems of complex operation and structure are existed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

The mesh belt type wood board drying furnace comprises a furnace body, a conveying device, an electric heating wire, a hot air device and an electric control temperature control device, wherein a feeding port and a discharging port are respectively arranged at two ends of the furnace body, a moisture discharging port is arranged at the upper end of the furnace body, the conveying device comprises a cycloidal needle speed reducer, a chain, a driving sprocket and a conveying device, the conveying device comprises a driven sprocket, a mesh belt driving wheel device, a mesh belt tensioning wheel device and a mesh belt, the cycloidal needle speed reducer is arranged at the upper end of the furnace body, the mesh belt driving wheel device and the mesh belt tensioning wheel device are respectively and movably arranged in the furnace body and close to the feeding port and the discharging port, the mesh belt is in transmission connection with the mesh belt driving wheel device and the mesh belt tensioning wheel device, the driven sprocket is; the electric heating wire is arranged in the furnace body, the hot air device comprises a heat exchanger, a burner, a blower and a main air pipe, the heat exchanger and the blower are respectively connected with the heat exchanger, the outlet of the heat exchanger is connected with one end of the main air pipe, and the other end of the main air pipe is connected into the furnace body; the electric control temperature control device comprises a PLC (programmable logic controller), a touch control screen, a temperature sensor and a variable frequency speed regulator, wherein the PLC is respectively electrically connected with the touch control screen, the temperature sensor and the variable frequency speed regulator, the temperature sensor is installed inside the furnace body, and the variable frequency speed regulator is respectively electrically connected with the air blower and the cycloidal needle speed reducer.

Preferably, a plurality of conveying devices are arranged, are arranged in a layered and staggered manner and are in transmission connection through chains; the hot air device further comprises a wind distribution pipe, the wind distribution pipe is connected to the main wind pipe, a plurality of ventilation openings are formed in the wind distribution pipe, and each air inlet corresponds to the lower end of the mesh belt of each conveying device.

Preferably, the temperature-sensing ware includes upper segment temperature-sensing ware, middle zone temperature-sensing ware and lower zone temperature-sensing ware, and hot air device detects control through upper segment temperature-sensing ware and middle zone temperature-sensing ware, and electric heating wire detects control through lower zone temperature-sensing ware.

Preferably, the two sides of the furnace body are respectively provided with a heat insulation door, and the heat insulation doors are provided with door locks.

Preferably, a return air pipe is connected between the heat exchanger and the blower.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the wood plate is manually or mechanically conveyed to a feeding port of the mesh belt type wood plate drying furnace, the wood plate is continuously conveyed into the furnace body by a mesh belt by utilizing a conveying device, and the running speed of the mesh belt can be controlled by controlling the speed of a cycloidal needle speed reducer, so that the time for drying the wood plate in the furnace body is accurately controlled, the wood plate can be conveniently placed and taken out manually, the time for drying the wood plate can be accurately controlled, and the complexity of operation is reduced;

2) the hot air device carries out wind heating on the air provided by the air blower in the heat exchanger through the burner, then the air is sent into the furnace body through the main air pipe to supply heat, and hot air is sprayed on the wood plate;

3) the vapor of air-dry in-process discharges along the hydrofuge mouth, thereby the staff can carry out rational processing to exhaust vapor through pipe connection hydrofuge mouth, simple structure not only, and the hydrofuge effect is also obvious.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial sectional view of the present invention.

Fig. 3 is a block diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a mesh belt 27 type wood drying oven includes an oven body 10, a conveying device 20, an electric heating wire 30, a hot air device 40 and an electric control temperature control device, wherein both ends of the oven body 10 are respectively provided with a feeding port and a discharging port, the upper end of the oven body 10 is provided with a moisture discharging port 11, the conveying device 20 includes a cycloidal pin reducer 21, a chain 22, a driving sprocket 23 and a conveying device, the conveying device includes a driven sprocket 24, a mesh belt 27 driving wheel 25, a mesh belt 27 tensioning wheel 26 and a mesh belt 27, the cycloidal pin reducer 21 is installed at the upper end of the oven body 10, the mesh belt 27 driving wheel 25 and the mesh belt 27 tensioning wheel 26 are respectively movably installed inside the oven body 10 at positions close to the feeding port and the discharging port, the mesh belt 27 is drivingly connected to the mesh belt 27 driving wheel 25 and the mesh belt, the driving chain wheel 23 is in power connection with the cycloidal pin speed reducer 21, and the chain 22 is in transmission connection between the two driving chain wheels 23 and the driven chain wheel 24; the electric heating wire 30 is arranged inside the furnace body 10, the hot air device 40 comprises a heat exchanger 41, a burner 42, a blower 43 and a main air pipe 44, the heat exchanger 41 and the blower 43 are respectively connected with the heat exchanger 41, the outlet of the heat exchanger 41 is connected with one end of the main air pipe 44, and the other end of the main air pipe 44 is connected inside the furnace body 10; the electric control temperature control device comprises a PLC (programmable logic controller) 51, a touch control screen 52, a temperature sensor 53 and a variable frequency speed regulator 54, wherein the PLC 51 is respectively and electrically connected with the touch control screen 52, the temperature sensor 53 and the variable frequency speed regulator 54, the temperature sensor 53 is arranged in the furnace body 10, and the variable frequency speed regulator 54 is respectively and electrically connected with the blower 43 and the cycloidal needle speed reducer 21.

In the technical means, the wood plate is manually or mechanically conveyed to the feeding port of the mesh belt 27 type wood plate drying furnace, the conveying device 20 is utilized, the wood plate is uninterruptedly conveyed into the furnace body 10 by the mesh belt 27, and the running speed of the mesh belt 27 can be controlled by controlling the speed of the cycloid pin speed reducer 21, so that the time for drying the wood plate in the furnace body 10 is accurately controlled, the wood plate can be conveniently placed and taken out manually, the time for drying the wood plate can be accurately controlled, and the operation complexity is reduced;

the hot air device 40 heats the air provided by the air blower 43 in the heat exchanger 41 through the burner 42, then the air is sent into the furnace body 10 through the main air pipe 44 to supply heat, the hot air is sprayed on the wood board, and then the electric heating wire 30 is used for double heating, because the mesh belt 27 is adopted, the wood board shielding area is reduced, the wood board can be uniformly heated, and the air drying efficiency is improved;

the vapor of air-dry in-process discharges along hydrofuge mouth 11, thereby the staff can carry out reasonable processing to exhaust vapor through pipe connection hydrofuge mouth 11, simple structure not only, and the hydrofuge effect is also obvious.

As further shown in fig. 2, a plurality of conveying devices are arranged, and are arranged in a staggered manner in a layered manner, and are in transmission connection through a chain 22; the hot air device 40 further comprises an air distributing pipe 45, the air distributing pipe 45 is connected to the main air pipe 44, a plurality of ventilation openings 46 are formed in the air distributing pipe 45, and each air inlet corresponds to the lower end of the mesh belt 27 of each conveying device; through setting up a plurality of conveyer in order to realize driving a plurality of planks and air-dry, through the design of dividing wind pipe 45, utilize vent 46 to up spray hot-blast spraying to the plank heating in guipure 27 below to the plank on realizing every layer of conveyer can both carry out thermally equivalent.

As further shown in fig. 3, the temperature sensor 53 includes an upper area temperature sensor 531, a middle area temperature sensor 532 and a lower area temperature sensor 533, the hot air device 40 is controlled by the upper area temperature sensor 531 and the middle area temperature sensor 532, and the electric heating wire 30 is controlled by the lower area temperature sensor 533. Set up electric heating wire 30, electric heating wire 30 establishes in the stove bottom, and lower district temperature-sensing ware 533 opens electric heating wire 30 through induction drive at low temperature, for furnace body 10 is inside to provide preheating and thermally equivalent's effect.

Further as shown in fig. 1-2, two sides of the furnace body 10 are respectively provided with a heat insulation door 12, and the heat insulation door 12 is provided with a door lock 13; the heat insulation door 12 is arranged, so that the maintenance and cleaning operations of the furnace body 10 can be conveniently carried out by staff.

As further shown in fig. 1, a return air pipe 47 is connected between the heat exchanger 41 and the blower 43; the wind-heat efficiency can be improved by adopting the return air pipe 47.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1. The mesh-belt type wood board drying furnace is characterized by comprising a furnace body, a conveying device, an electric heating wire, a hot air device and an electric control temperature control device, wherein a feeding port and a discharging port are respectively arranged at two ends of the furnace body, a moisture discharging port is arranged at the upper end of the furnace body, the conveying device comprises a cycloidal needle speed reducer, the device comprises a chain, a driving sprocket and a conveying device, wherein the conveying device comprises a driven sprocket, a mesh belt driving wheel device, a mesh belt tensioning wheel device and a mesh belt, a cycloidal pin speed reducer is arranged at the upper end of a furnace body, the mesh belt driving wheel device and the mesh belt tensioning wheel device are respectively and movably arranged at positions close to a feeding port and a discharging port in the furnace body, the mesh belt is in transmission connection with the mesh belt driving wheel device and the mesh belt tensioning wheel device, the driven sprocket is axially arranged on the mesh belt driving wheel device, the driving sprocket is in power connection with the cycloidal pin speed reducer; the electric heating wire is arranged in the furnace body, the hot air device comprises a heat exchanger, a burner, a blower and a main air pipe, the heat exchanger and the blower are respectively connected with the heat exchanger, the outlet of the heat exchanger is connected with one end of the main air pipe, and the other end of the main air pipe is connected into the furnace body; the electric control temperature control device comprises a PLC (programmable logic controller), a touch control screen, a temperature sensor and a variable frequency speed regulator, wherein the PLC is respectively electrically connected with the touch control screen, the temperature sensor and the variable frequency speed regulator, the temperature sensor is installed inside the furnace body, and the variable frequency speed regulator is respectively electrically connected with the air blower and the cycloidal needle speed reducer.

2. The mesh-belt wood board drying oven according to claim 1, wherein a plurality of conveying devices are arranged, the plurality of conveying devices are arranged in a staggered manner in a layered manner, and the plurality of conveying devices are in transmission connection through a chain; the hot air device further comprises a wind distribution pipe, the wind distribution pipe is connected to the main wind pipe, a plurality of ventilation openings are formed in the wind distribution pipe, and each air inlet corresponds to the lower end of the mesh belt of each conveying device.

3. The mesh-belt wood board drying oven according to claim 1, wherein the temperature sensors include an upper zone temperature sensor, a middle zone temperature sensor and a lower zone temperature sensor, the hot air device is controlled by the upper zone temperature sensor and the middle zone temperature sensor, and the electric heating wire is controlled by the lower zone temperature sensor.

4. The mesh-belt wood board drying furnace as claimed in claim 1, wherein the furnace body is provided with heat insulation doors on both sides thereof, and the heat insulation doors are provided with door locks.

5. The mesh-belt wood board drying oven according to claim 1, wherein a return air pipe is further connected between the heat exchanger and the blower.

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