CN210070581U

CN210070581U - Energy-saving external temperature control industrial electric furnace

Info

Publication number: CN210070581U
Application number: CN201920897192.9U
Authority: CN
Inventors: 李博洋; 李加泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-02-14
Anticipated expiration: 2029-06-14

Abstract

The utility model relates to the technical field of industrial electric furnace temperature control, in particular to an energy-saving external temperature control industrial electric furnace, which solves the defects that the heat preservation consumes a large amount of electric power in the production process of the existing industrial electric furnace and the production efficiency is low due to natural cooling, and comprises a furnace body, a heat exchange tank and a pump body, wherein the upper part and the lower part of the furnace body are respectively provided with a furnace flange plate, high-temperature waste gas generated in the furnace is led into a coil pipe wound outside the furnace body through a heat preservation conduit, so that the high-temperature gas forms a heat preservation layer for the furnace body through the coil pipe, the rapid temperature drop in the furnace body caused by the discharge of the high-temperature gas can be greatly reduced, the production electricity is effectively saved, when the furnace body needs to be cooled, electromagnetic valves on the heat preservation conduit and an exhaust pipe are closed, electromagnetic valves on an outlet pipe and a return, thereby effectively improving the cooling efficiency.

Description

Energy-saving external temperature control industrial electric furnace

Technical Field

The utility model relates to an industrial electric stove accuse temperature technical field especially relates to an energy-saving outside accuse temperature industrial electric stove.

Background

The industrial electric furnace is a device for converting electric energy into heat to heat a workpiece or a material, and when the electric furnace is used for drying and heating powdery raw materials or the workpiece can generate waste gas in the heating process, the waste gas needs to be discharged through an exhaust device, and the temperature is reduced through a heat exchanger.

A large amount of heats in the industrial electric furnace can be taken away to waste gas discharge this time, make the interior temperature of industrial electric furnace descend, reach the heating condition of work piece or material, need continue to supply power to change heat, and waste gas discharge is a process that lasts, therefore just can waste a large amount of electric quantities at every turn heating, the cost of production has been improved, and simultaneously, need cool down to inside work piece or material after the industrial electric furnace heating finishes, because the furnace body is great, the natural cooling time reaches two to three days, lead to furnace body production efficiency not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the heat preservation consumes a large amount of electric power in the production process of the existing industrial electric furnace and the natural cooling causes the defect of low production efficiency, and providing the energy-saving external temperature control industrial electric furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an energy-saving outside accuse temperature industrial electric stove, includes the furnace body, exchanges heat jar and the pump body, the last lower part of furnace body all is provided with the stove flange dish, and the upper end of furnace body is connected with the bell through the stove flange dish, top one side of bell is connected with the heat preservation pipe, and bottom one side of furnace body is connected with the blast pipe, the solenoid valve is all installed to the inside of heat preservation pipe and blast pipe, and the skin weld of furnace body has the iron net, the outside of iron net is around being equipped with the coil pipe, the outside of coil pipe still is provided with soft heated board, the inside and outside spraying of soft heated board has first spreading layer and second spreading layer respectively, and first spreading layer parcel is in the outside.

Preferably, one end of the coil pipe is connected with one end of the heat-preservation conduit through a flange, and the other end of the coil pipe is connected with the exhaust pipe through a flange.

Preferably, one side of the exhaust pipe is connected with a return pipe, one end of the return pipe extends to the inner side of the top of the heat exchange tank, and an electromagnetic valve is further mounted inside the return pipe.

Preferably, one side of the bottom of the heat exchange tank is connected with a water inlet pipe, and the other end of the water inlet pipe is connected with the water inlet end of the pump body.

Preferably, the water outlet end of the pump body is connected with a water outlet pipe, the other end of the pump body is connected with one side of the heat preservation guide pipe, and an electromagnetic valve is further installed inside the water outlet pipe.

Preferably, the material of soft heated board is XPS, the material of first rubber coating layer is heat conduction silica gel, the material of second rubber coating layer is inorganic high temperature resistant glue.

The utility model has the advantages that:

1. high-temperature waste gas generated in the furnace is guided into the coil pipe wound outside the furnace body through the heat-insulating guide pipe, so that high-heat gas passes through the coil pipe to form a heat-insulating layer for the furnace body, the temperature in the furnace body caused by the discharge of the high-heat gas can be greatly reduced, and the production power is effectively saved.

2. The outside welding iron net at the furnace body, the fastness of effectual increase furnace body to the outside through the first rubber coating layer of spraying make the heat of coil pipe better exchange in with the furnace body, around establishing soft heated board in the outside on first rubber coating layer, and fix the parcel through the second rubber coating layer, realize heat retaining function.

3. When the furnace body needs to be cooled down, the electromagnetic valves on the heat-insulating guide pipe and the exhaust pipe are closed, the electromagnetic valves on the water outlet pipe and the return pipe are opened, the pump body is started to lead water in the heat exchange tank to be led into the coil pipe, and then the water is drawn back into the heat exchange tank to rapidly take away heat in the furnace body, so that the efficiency of the furnace body during cooling is effectively improved.

Drawings

FIG. 1 is a schematic structural view of an energy-saving external temperature-controlled industrial electric furnace according to the present invention;

fig. 2 is a partial sectional structural view at a in fig. 1.

In the figure: the furnace comprises a furnace body 1, a furnace cover 2, a heat exchange tank 3, a pump body 4, a heat preservation guide pipe 5, a water outlet pipe 6, a water inlet pipe 7, an exhaust pipe 8, a return pipe 9, an iron net 10, a first glue coating layer 11, a coil pipe 12, a soft heat preservation plate 13 and a second glue coating layer 14.

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.

Referring to fig. 1-2, an energy-saving external temperature control industrial electric furnace comprises a furnace body 1, a heat exchange tank 3 and a pump body 4, wherein furnace flanges are arranged on the upper and lower parts of the furnace body 1, the upper end of the furnace body 1 is connected with a furnace cover 2 through the furnace flanges, a heat insulation conduit 5 is connected to one side of the top of the furnace cover 2, an exhaust pipe 8 is connected to one side of the bottom of the furnace body 1, electromagnetic valves are respectively arranged inside the heat insulation conduit 5 and the exhaust pipe 8, an iron net 10 is welded on the surface of the furnace body 1, a coil pipe 12 is wound on the outer side of the iron net 10, a soft heat insulation plate 13 is further arranged on the outer side of the coil pipe 12, a first glue coating layer 11 and a second glue coating layer 14 are respectively sprayed on the inner;

one end of coil pipe 12 and heat preservation pipe 5's one end flange joint, the other end and the 8 flange joint of blast pipe of coil pipe 12, one side of blast pipe 8 is connected with back flow 9, the one end of back flow 9 extends to the top inboard of heat transfer jar 3, the solenoid valve is still installed to the inside of back flow 9, bottom one side of heat transfer jar 3 is connected with into water pipe 7, the other end of inlet tube 7 is connected with the end of intaking of the pump body 4, the play water end of the pump body 4 is connected with outlet pipe 6, its other end is connected with one side of heat preservation pipe 5, the solenoid valve is still installed to the inside of outlet pipe 6, the material of soft insulation board 13 is XPS, the material of first rubber coating 11 is heat conduction silica gel, the material of.

In this embodiment, the heat preservation pipe 5 is connected to bell 2 one side at furnace body 1 top, through heat preservation pipe 5 with the leading-in coil pipe 12 of winding establishing in the furnace body 1 outside of the high temperature waste gas that 1 produced in the stove for high hot gas passes through coil pipe 12 and forms the heat preservation for furnace body 1, the high hot gas that can significantly reduce discharges the interior temperature of furnace body 1 that leads to and descends rapidly, the effectual electricity consumption of having practiced thrift the production.

At furnace body 1's outside welding iron mesh 10, effectual increase furnace body 1's fastness to exchange in the outside of iron mesh 10 through the better and furnace body 1 of the first rubber coating layer 11 heat that makes coil pipe 12 of spraying, around establishing soft insulation board 13 in the outside of first rubber coating layer 11, and fix the parcel through second rubber coating layer 14, realize heat retaining function.

Concatenate back flow 9 and outlet pipe 6 respectively in one side of volleyball pipe 8 and heat preservation pipe 5, the other end of back flow 9 extends to in the heat transfer jar 3, and connect inlet tube 7 in the bottom of heat transfer jar 3, the end of intaking of the other end connection pump body 4 that makes the inlet tube, the other end of outlet pipe 6 is connected with the play water end of the pump body 4, when needs cool down to furnace body 1, close the solenoid valve on heat preservation pipe 5 and the blast pipe 8, and open the solenoid valve on outlet pipe 6 and the back flow 9, start the leading-in coil pipe 12 of water in the pump body 4 messenger heat transfer jar 3, take back in the heat transfer jar 3 again, take away the heat in the furnace body 1 rapidly, thereby efficiency when effectual improvement is cooled down.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An energy-saving external temperature control industrial electric furnace comprises a furnace body (1), a heat exchange tank (3) and a pump body (4), it is characterized in that furnace flange discs are arranged at the upper part and the lower part of the furnace body (1), the upper end of the furnace body (1) is connected with a furnace cover (2) through the furnace flange discs, one side of the top of the furnace cover (2) is connected with a heat-preservation conduit (5), one side of the bottom of the furnace body (1) is connected with an exhaust pipe (8), electromagnetic valves are respectively arranged inside the heat-insulating guide pipe (5) and the exhaust pipe (8), an iron net (10) is welded on the surface of the furnace body (1), a coil pipe (12) is wound on the outer side of the iron net (10), a soft heat insulation plate (13) is further arranged on the outer side of the coil pipe (12), the soft heat-insulation board is characterized in that a first glue coating layer (11) and a second glue coating layer (14) are respectively sprayed inside and outside the soft heat-insulation board (13), and the first glue coating layer (11) is wrapped outside the coil pipe (12).

2. An energy-saving external temperature-control industrial electric furnace according to claim 1, characterized in that one end of the coil (12) is flanged with one end of the heat-preservation conduit (5), and the other end of the coil (12) is flanged with the exhaust pipe (8).

3. The energy-saving external temperature control industrial electric furnace according to claim 1, wherein a return pipe (9) is connected to one side of the exhaust pipe (8), one end of the return pipe (9) extends to the inner side of the top of the heat exchange tank (3), and a solenoid valve is further installed inside the return pipe (9).

4. The energy-saving external temperature control industrial electric furnace according to claim 1, wherein one side of the bottom of the heat exchange tank (3) is connected with a water inlet pipe (7), and the other end of the water inlet pipe (7) is connected with the water inlet end of the pump body (4).

5. The energy-saving external temperature control industrial electric furnace according to claim 1, wherein the water outlet end of the pump body (4) is connected with a water outlet pipe (6), the other end of the pump body is connected with one side of the heat preservation conduit (5), and an electromagnetic valve is further installed inside the water outlet pipe (6).

6. The energy-saving external temperature-control industrial electric furnace according to claim 1, wherein the soft heat-insulating board (13) is made of XPS, the first glue-coated layer (11) is made of heat-conducting silica gel, and the second glue-coated layer (14) is made of inorganic high-temperature-resistant glue.