CN212883361U

CN212883361U - Novel convection circulation drying furnace

Info

Publication number: CN212883361U
Application number: CN202020649417.1U
Authority: CN
Inventors: 潘国祥
Original assignee: Yangzhou Daifa Environmental Protection Technology Co ltd
Current assignee: Yangzhou Daifa Environmental Protection Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-04-06
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a novel convection circulation drying furnace, including the furnace body, one side of furnace body is fixed to be equipped with manually to opening the door, the work piece dolly has been placed to the inside of furnace body, the fixed supporting platform that is equipped with in top of furnace body, supporting platform's top is fixed heating cabinet and the circulating fan of being equipped with respectively, circulating fan's air intake is linked together through communicating pipe with the air outlet of heating cabinet, the air intake of heating cabinet and the one end fixed connection of exhaust column, the other end of exhaust column is fixed and is equipped with a plurality of backwind pipe, circulating fan's air outlet and the one end fixed connection who goes out the tuber pipe, the other end that goes out the tuber pipe is fixed and is equipped with a plurality: the convection heating mode is adopted, the air in the furnace is led out from the upper part by the circulating fan, and is heated by the heating box and then is conveyed to the lower part of the furnace body, so that the coating on the surface of the workpiece is heated and dried, the convection circulation of hot air is realized, the heating energy is effectively utilized, and the drying effect of the workpiece is effectively improved.

Description

Novel convection circulation drying furnace

Technical Field

The utility model relates to a drying furnace, in particular to novel convection circulation drying furnace belongs to drying furnace technical field.

Background

The drying furnace is also called a hot air drying furnace, has excellent thermal insulation, heat preservation, thermal expansion, no leakage, good air tightness of the inner wall, convenient maintenance and cleaning, and no generation of dust, rust and the like. However, the current drying furnace cannot be processed and dried in a convection circulation mode, so that heat loss is caused, resources are wasted, the heating temperature cannot be accurately adjusted, and the heating effect of workpieces is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel convection current circulation drying furnace to solve the unable problem of processing the stoving that adopts the mode of convection current circulation that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel convection circulation drying furnace, includes the furnace body, one side of furnace body is fixed to be equipped with manually to opening the door, the work piece dolly has been placed to the inside of furnace body, the fixed supporting platform that is equipped with in top of furnace body, supporting platform's top is fixed heating cabinet and the circulating fan of being equipped with respectively, circulating fan's air intake is linked together through communicating pipe with the air outlet of heating cabinet, the air intake of heating cabinet and the one end fixed connection of exhaust column, the fixed a plurality of return air hose that is equipped with of the other end of exhaust column, circulating fan's air outlet and the one end fixed connection who goes out the tuber pipe, the fixed a plurality of blast pipe that is equipped with of the other end that goes out the tuber pipe, the.

As an optimal technical scheme of the utility model, the exhaust structure includes exhaust pipe, exhaust fan and connecting pipe, the fixed top that sets up in furnace body one side of exhaust pipe, the fixed gas collecting channel that is equipped with of one end of exhaust pipe, the other end of exhaust pipe and the air intake fixed connection of exhaust fan, the air outlet and the exhaust gas purification equipment of exhaust fan are linked together, the gas vent of furnace body is linked together through the inside of connecting pipe with the exhaust pipe, just the fixed solenoid valve that is equipped with in middle part of connecting pipe.

As a preferred technical scheme of the utility model, the fixed a plurality of electric heating wire that is equipped with in inside of heating cabinet, and every electric heating wire's outside is all fixed and is equipped with the insulating tube.

As an optimized technical scheme of the utility model, the gas collecting channel sets up to trapezoidal form, and the size on gas collecting channel top is less than the size of bottom.

As an optimal technical scheme of the utility model, the fixed silicon controlled rectifier temperature controller that is equipped with in middle part of furnace body opposite side, silicon controlled rectifier temperature controller's the fixed inner wall that sets up at the furnace body of test probe, just electric heating wire passes through silicon controlled rectifier temperature controller and power electric connection.

As an optimal technical scheme of the utility model, the fixed flush mounting plate that is equipped with in top of furnace body opposite side, flush mounting plate's surface is equipped with circulating fan switch, exhaust fan switch and solenoid valve switch respectively, circulating fan, exhaust fan and solenoid valve are respectively through circulating fan switch, exhaust fan switch and solenoid valve switch and power electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novel convection circulation drying furnace, which adopts a convection heating mode, leads out wind in the furnace from the upper part by a circulating fan, and sends the wind to the lower part of a furnace body after being heated by a heating box, thereby heating and drying the coating on the surface of a workpiece, realizing the convection circulation of hot wind, effectively utilizing heating energy and effectively improving the drying effect of the workpiece; the exhaust fan can discharge the waste gas in the furnace body and the overflowed waste gas into the waste gas purification equipment for purification treatment, so that the environmental pollution caused by the waste gas is prevented; the temperature inside the furnace body can be detected in real time through the set silicon controlled temperature controller, so that the heating temperature of the electric heating wire is automatically adjusted, the inside of the furnace body is heated at constant temperature all the time, and the workpiece is favorably dried.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention.

In the figure: 1. a furnace body; 2. manually opening the door; 3. a workpiece trolley; 4. a support platform; 5. a circulating fan; 6. a heating box; 7. an exhaust pipe; 8. a return air duct; 9. an air outlet pipe; 10. an air supply pipe; 11. a thyristor temperature controller; 12. an exhaust fan; 13. a connecting pipe; 14. an electromagnetic valve; 15. an exhaust duct; 16. and a gas-collecting hood.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-2, the utility model provides a novel convection circulation drying furnace, which comprises a furnace body 1, a manual split door 2 is fixedly arranged on one side of the furnace body 1, a workpiece trolley 3 is placed in the furnace body 1, a supporting platform 4 is fixedly arranged on the top end of the furnace body 1, a heating box 6 and a circulating fan 5 are respectively fixedly arranged on the top end of the supporting platform 4, an air inlet of the circulating fan 5 is communicated with an air outlet of the heating box 6 through a communicating pipe, an air inlet of the heating box 6 is fixedly connected with one end of an exhaust pipe 7, a plurality of air return pipes 8 are fixedly arranged on the other end of the exhaust pipe 7, an air outlet of the circulating fan 5 is fixedly connected with one end of an air outlet pipe 9, a plurality of air supply pipes 10 are fixedly arranged on the other end of the air outlet pipe 9, a waste discharge structure is fixedly arranged on one side of the top end of the furnace body 1, preventing the waste gas from polluting the environment.

Preferably, the waste discharge structure comprises an exhaust pipe 15, an exhaust fan 12 and a connecting pipe 13, the exhaust pipe 15 is fixedly arranged at the top end of one side of the furnace body 1, one end of the exhaust pipe 15 is fixedly provided with a gas collecting hood 16, the other end of the exhaust pipe 15 is fixedly connected with an air inlet of the exhaust fan 12, an air outlet of the exhaust fan 12 is communicated with waste gas purification equipment, an air outlet of the furnace body 1 is communicated with the inside of the exhaust pipe 15 through the connecting pipe 13, the middle part of the connecting pipe 13 is fixedly provided with an electromagnetic valve 14, waste gas in the furnace body 1 and excessive waste gas can be treated through the waste discharge structure, and environmental pollution caused by the waste gas is prevented; a plurality of electric heating wires are fixedly arranged inside the heating box 6, and an insulating pipe is fixedly arranged outside each electric heating wire to protect the electric heating wires; the gas-collecting hood 16 is in a trapezoid shape, and the size of the top end of the gas-collecting hood 16 is smaller than that of the bottom end, so that the treatment speed of overflowing waste gas can be increased; a silicon controlled temperature controller 11 is fixedly arranged in the middle of the other side of the furnace body 1, a detection probe of the silicon controlled temperature controller 11 is fixedly arranged on the inner wall of the furnace body 1, an electric heating wire is electrically connected with a power supply through the silicon controlled temperature controller 11, the silicon controlled temperature controller 11 automatically controls the electric heating wire to heat, and the silicon controlled temperature controller 11 detects the temperature in the furnace body 1 in real time to keep the heating constant; the top of the other side of the furnace body 1 is fixedly provided with a switch panel, the surface of the switch panel is respectively provided with a circulating fan switch, an exhaust fan switch and a solenoid valve switch, the circulating fan 5, the exhaust fan 12 and the solenoid valve 14 are respectively electrically connected with a power supply through the circulating fan switch, the exhaust fan switch and the solenoid valve switch, and the work of the circulating fan 5, the exhaust fan 12 and the solenoid valve 14 is conveniently controlled through the circulating fan switch, the exhaust fan switch and the solenoid valve switch.

When the convection circulation drying furnace is used, firstly, a manual split door 2 is opened, a workpiece trolley 3 is pushed out, a workpiece is hung on the workpiece trolley 3 and then pushed into a furnace body 1, the manual split door 2 is closed, then, the temperature control range of a silicon controlled temperature controller 11 is set, the silicon controlled temperature controller 11 automatically controls an electric heating wire to heat, the silicon controlled temperature controller 11 detects the temperature in the furnace body 1 in real time to enable the heating to be always at a constant temperature, a circulating fan 5 is started through a circulating fan switch, air in the furnace body 1 is pumped into a heating box 6 through a plurality of return air pipes 8, the air is sent into the bottom of the furnace body 1 through an air supply pipe 10 after being heated by the heating box 6, a coating on the surface of the workpiece is heated and dried, an exhaust fan 12 is started through an exhaust fan switch during drying, overflowed waste gas is pumped into a waste gas purification device through a gas collecting hood 16 to be purified, after drying, the electromagnetic valve 14 is opened through an electromagnetic valve switch, residual waste gas in the furnace body 1 is discharged to waste gas purification equipment through the connecting pipe 13 for purification treatment, the manual split door 2 is opened, the workpiece trolley 3 is pushed out, and the dried workpiece is taken out.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel convection circulation drying furnace comprises a furnace body (1) and is characterized in that one side of the furnace body (1) is fixedly provided with a manual split door (2), a workpiece trolley (3) is placed in the furnace body (1), a supporting platform (4) is fixedly arranged at the top end of the furnace body (1), a heating box (6) and a circulating fan (5) are fixedly arranged at the top end of the supporting platform (4) respectively, an air inlet of the circulating fan (5) is communicated with an air outlet of the heating box (6) through a communicating pipe, an air inlet of the heating box (6) is fixedly connected with one end of an exhaust pipe (7), the other end of the exhaust pipe (7) is fixedly provided with a plurality of return air pipes (8), an air outlet of the circulating fan (5) is fixedly connected with one end of an air outlet pipe (9), and the other end of the air outlet pipe (9) is fixedly provided with a plurality of air supply pipes (10), one side of the top end of the furnace body (1) is fixedly provided with a waste discharge structure.

2. The new convection circulation drying oven of claim 1, wherein: the exhaust structure includes exhaust pipe (15), exhaust fan (12) and connecting pipe (13), exhaust pipe (15) are fixed to be set up on the top of furnace body (1) one side, the fixed gas collecting channel (16) that is equipped with of one end of exhaust pipe (15), the other end of exhaust pipe (15) and the air intake fixed connection of exhaust fan (12), the air outlet and the exhaust gas purification equipment of exhaust fan (12) are linked together, the gas vent of furnace body (1) is linked together through the inside of connecting pipe (13) with exhaust pipe (15), just the middle part of connecting pipe (13) is fixed and is equipped with solenoid valve (14).

3. The new convection circulation drying oven of claim 1, wherein: the inside of heating cabinet (6) is fixed and is equipped with a plurality of electric heating wire, and every electric heating wire's outside all is fixed and is equipped with the insulating tube.

4. The new convection circulation drying oven of claim 2, wherein: the gas-collecting hood (16) is arranged in a trapezoid shape, and the size of the top end of the gas-collecting hood (16) is smaller than that of the bottom end.

5. The new convection circulation drying oven of claim 3, wherein: the middle part of furnace body (1) opposite side is fixed and is equipped with silicon controlled rectifier temperature controller (11), the fixed inner wall that sets up in furnace body (1) of test probe of silicon controlled rectifier temperature controller (11), just electric heating wire passes through silicon controlled rectifier temperature controller (11) and power electric connection.

6. The new convection circulation drying oven of claim 2, wherein: the fixed flush mounting plate that is equipped with in top of furnace body (1) opposite side, flush mounting plate's surface is equipped with circulating fan switch, exhaust fan switch and solenoid valve switch respectively, circulating fan (5), exhaust fan (12) and solenoid valve (14) are respectively through circulating fan switch, exhaust fan switch and solenoid valve switch and power electric connection.