CN212620073U

CN212620073U - Air heat insulation furnace

Info

Publication number: CN212620073U
Application number: CN202021068179.1U
Authority: CN
Inventors: 查晓
Original assignee: Dongguan Thermotechnical Industry Smelting Furnace Equipment Manufacturing Co ltd
Current assignee: Dongguan Thermotechnical Industry Smelting Furnace Equipment Manufacturing Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-26
Anticipated expiration: 2030-06-11

Abstract

The utility model provides an air heat insulation furnace, which comprises a crucible arranged inside a pot body; air is filled between the crucible and the pot body; the bottom of the pot body is paved with a light insulating brick layer, and the inner wall of the pot body is provided with a heavy refractory brick layer. The utility model provides a pair of air heat-insulating furnace, present crucible furnace need a large amount of heats when smelting, and crucible furnace can't store the heat for a large amount of heat energy runs off useless, leads to needing a large amount of fuel to keep the heat, causes the extravagant problem of the energy.

Description

Air heat insulation furnace

Technical Field

The utility model relates to a technical field of crucible furnace, concretely relates to air heat-insulating furnace.

Background

The crucible furnace is the simplest smelting equipment and is mainly used for melting nonferrous metals with low melting points, such as copper, aluminum and alloys thereof. In the furnace, the alloy is melted in a crucible, heat is transferred to the furnace charge through the crucible, and the combustion products of the furnace charge are not in direct contact, so that the chemical components of the alloy are hardly influenced by furnace gas, the temperature of the alloy liquid is relatively uniform, and the metal is placed in a container named as the crucible during smelting. The crucible is placed in the stove, use diesel oil, heavy oil, coal gas or coke as fuel heating, according to different requirements, the crucible can be made of graphite, fire clay, different materials such as cast iron, the furnace body has several kinds such as pit type, fixed and rotary type, also a resistance crucible stove, general capacity is very little, it is many used for the laboratory, crucible stove simple structure, the investment is little, put into operation soon, extensively be used for in the foundry shop of middle-size and small-size nonferrous alloy processing factory and machine manufacturing factory, but present gas crucible stove needs a large amount of heats when smelting, and gas crucible stove can't store the heat, make a large amount of heat energy white run off, lead to needing a large amount of fuel to keep the heat, cause the energy waste.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing an air heat insulation furnace, present crucible furnace need a large amount of heats when smelting, and crucible furnace can't store the heat for a large amount of heat energy runs off in vain, leads to needing a large amount of fuel to keep the heat, causes the extravagant problem of the energy.

In order to achieve the purpose, the utility model provides an air heat insulation furnace, which comprises a crucible arranged inside a pot body; air is filled between the crucible and the pot body; the bottom of the pot body is paved with a light insulating brick layer, and the inner wall of the pot body is provided with a heavy refractory brick layer.

According to another embodiment of the present invention, the air heat insulation furnace further comprises a crucible base, and the crucible base is a graphite crucible base.

According to another embodiment of the present invention, the air heat insulation furnace further comprises a positioning brick layer, the positioning brick layer is disposed on the top of the pot body and is located between the crucible and the heavy refractory brick layer.

According to another embodiment of the present invention, the air heat insulation furnace further comprises refractory cotton, which is disposed on the light insulating brick layer and between the crucible and the heavy refractory brick layer; the refractory cotton is also arranged on the pot body.

According to another embodiment of the present invention, the air heat insulation furnace further comprises heat insulation cotton and a heat insulation layer, wherein the heat insulation cotton and the heat insulation layer are disposed between the heavy refractory brick layer and the inner wall of the pot body.

According to another embodiment of the present invention, a steel plate is provided on the pot body.

According to another embodiment of the present invention, the crucible is a graphite crucible.

According to another embodiment of the present invention, the air insulation furnace further comprises an air inlet and an air outlet.

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

the utility model is provided with heat insulating materials such as light insulating brick layer, heat insulating cotton, heat insulating layer and heat insulating layer, etc. inside the furnace body, and the heat insulating materials are used for heat insulation, so that the temperature of the furnace body can not be quickly dissipated; air is filled between the crucible and the pot body to support combustion; the utility model discloses be equipped with gas inlet and gas vent, can be used for connecting tail gas recoverer, realize the waste heat recovery of tail gas.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the structure of an air insulated furnace.

Detailed Description

The embodiment provides an air heat insulation furnace, as shown in fig. 1, which comprises a pot body 1, a crucible 21 arranged inside the pot body 1, a crucible base 22, a positioning brick layer 3, refractory cotton 4, heat preservation cotton 5, a heat insulation layer 6, an air inlet 7 and an air outlet 8; the crucible 21 is a graphite crucible 21; air is filled between the crucible 21 and the pot body 1; the graphite crucible 21 can play a better heat preservation effect; a light insulating brick layer 91 is laid at the bottom of the pot body 1, and a heavy refractory brick layer 92 is arranged on the inner wall of the pot body 1, so that the service life of the product is prolonged; the crucible base 22 is a graphite crucible base 22; the graphite material can play a better heat preservation effect; the positioning brick layer 3 is arranged at the top of the pot body 1 and is positioned between the crucible 21 and the heavy refractory brick layer 92, and the positioning brick layer 3 has a positioning effect; the refractory cotton 4 is arranged on the light insulating brick layer 91 and is positioned between the crucible 21 and the heavy refractory brick layer 92, and the refractory cotton 4 can improve the refractory effect and also has the heat insulating effect; the refractory cotton 4 is also arranged on the pot body 1; the heat insulation cotton 5 and the heat insulation layer 6 are arranged between the heavy refractory brick layer 92 and the inner wall of the pot body 1; the steel plate 93 is arranged on the pot body 1, the steel plate 93 can increase the hardness, the furnace body is prevented from being damaged, and the service life is prolonged.

The furnace body is internally provided with heat insulation materials such as a light heat insulation brick layer 91, heat insulation cotton 5, a heat insulation layer 6 and the like, and the heat insulation materials are utilized for heat insulation, so that the temperature of the furnace body cannot be dissipated too fast; air is filled between the crucible 21 and the pot body 1 to support combustion; this embodiment is equipped with into gas port 7 and gas vent 8, can be used for connecting tail gas recovery ware, realizes the waste heat recovery of tail gas.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the present invention, i.e. all equivalent modifications made according to the present invention should be covered by the scope of the present invention.

Claims

1. An air heat insulation furnace comprises a pot body, and is characterized in that the air heat insulation furnace comprises a crucible arranged inside the pot body; air is filled between the crucible and the pot body; the bottom of the pot body is paved with a light insulating brick layer, and the inner wall of the pot body is provided with a heavy refractory brick layer.

2. The air insulated furnace of claim 1, further comprising a crucible base, the crucible base being a graphite crucible base.

3. The air insulated furnace of claim 1, further comprising a layer of positioning bricks disposed on top of the pan body between the crucible and the layer of heavy refractory bricks.

4. The air insulated furnace of claim 1, further comprising refractory wool disposed on the layer of light-weight insulating bricks between the crucible and the layer of heavy-weight insulating bricks; the refractory cotton is also arranged on the pot body.

5. The air insulation furnace of claim 1, further comprising insulation wool and a thermal break layer, the insulation wool and the thermal break layer being disposed between the heavy firebrick layer and the inner wall of the pan body.

6. The air insulation furnace of claim 1, wherein the pan body is provided with a steel plate.

7. The air insulated furnace of claim 1, wherein the crucible is a graphite crucible.

8. The air insulated furnace of claim 1, further comprising an air inlet and an air outlet.