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Directly-heated type electric heating vertical kiln furnace

An electric heating and direct heating technology, applied in electric furnace heating, vertical furnace, lighting and heating equipment, etc., can solve the problems of low heating efficiency and complex furnace structure, improve heating efficiency and production efficiency, shorten heating time, the effect of improving the overall thermal efficiency

Pending Publication Date: 2020-10-30
马鞍山中科冶金材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a direct heating type electric heating shaft kiln to solve the problems of low heating efficiency and complex kiln structure in the prior art

Method used

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  • Directly-heated type electric heating vertical kiln furnace
  • Directly-heated type electric heating vertical kiln furnace
  • Directly-heated type electric heating vertical kiln furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] The hearth is square (such as figure 2 Shown) direct heating electric heating shaft kiln, including: furnace body shell 1, furnace body insulation layer 2, high temperature resistant insulation partition 3, power supply protection lining 4, temperature measurement control system 9, high temperature wear-resistant lining Plate 5, high temperature heat-resistant electrode system 10, furnace body feeding system 8 and furnace body discharging system 6.

[0068] Wherein, the high temperature and heat resistant electrodes in the high temperature and heat resistant electrode system 10 are composed of a set of positive electrodes and a set of negative electrodes. The power supply is connected to the high-temperature heat-resistant electrode through the protection channel provided on the furnace body, and the two ends of the electrode are connected to the power cable. When working, the power supply current passes through the transformer, the cable, the positive end of the high...

Embodiment 2

[0070] The hearth is rectangular (such as image 3 Shown) direct heating electric heating shaft kiln, including: furnace body shell 1, furnace body heat insulation layer 2, high temperature resistant insulation partition 3, power supply protection lining 4, temperature measurement control system 9, high temperature wear-resistant lining Plate 5, high temperature heat-resistant electrode system 10, furnace body feeding system 8 and furnace body discharging system 6.

[0071] The high temperature and heat resistant electrodes in the high temperature and heat resistant electrode system 10 consist of a set of positive electrodes and a set of negative electrodes. The power supply is connected to the high-temperature heat-resistant electrode through the protection channel provided on the furnace body, and the two ends of the electrode are connected to the power cable. When working, the power supply current passes through the transformer, the cable, the positive end of the high-temp...

Embodiment 3

[0073] The hearth is round (such as Figure 4 Shown) direct heating electric heating shaft kiln, including: furnace body shell 1, furnace body heat insulation layer 2, high temperature resistant insulation partition 3, power supply protection lining 4, temperature measurement control system 9, high temperature wear-resistant lining Plate 5, high temperature heat-resistant electrode system 10, furnace body feeding system 8 and furnace body discharging system 6.

[0074] The high temperature and heat resistant electrodes in the high temperature and heat resistant electrode system 10 consist of a set of positive electrodes and a set of negative electrodes. The power supply is connected to the high-temperature heat-resistant electrode through the protection channel provided on the furnace body, and the two ends of the electrode are connected to the power cable. When working, the power supply current passes through the transformer, the cable, the positive end of the high-temperatu...

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Abstract

The invention relates to a directly-heated type electric heating vertical kiln furnace. The directly-heated type electric heating vertical kiln furnace comprises a furnace body, a power supply systemand a high-temperature heat-resisting electrode system. The high-temperature heat-resisting electrode system and a to-be-heated material form an electric current loop. When an electric current passesthrough the to-be-heated material, the to-be-heated material can be self-heated due to the resistance value of the to-be-heated material. Due to the fact that the high-temperature heat-resisting electrode system and the to-be-heated material form the electric current loop, after the electric current passes through the to-be-heated material, the to-be-heated material can be self-heated due to the resistance value of the to-be-heated material so that the self-heating requirement of the material can be met, the combined heat efficiency of electric heating is effectively improved, and heating efficiency and production efficiency are improved while material heating time is shortened.

Description

technical field [0001] The invention relates to the field of electric heating furnaces, in particular to a direct heating type electric heating shaft kiln. Background technique [0002] Shaft furnace (kiln) is one of the kilns used for heating materials in metallurgy, chemical industry, construction and other industries. Its heating method is divided into external heating and internal heating according to the heating position of the heat source. [0003] Among them, the externally heated shaft kiln generally uses metal materials for the furnace body to transfer heat, but the metal materials are easily oxidized and damaged due to long-term heating and heat transfer. The heating temperature of the external heating method is limited by the metal material of the furnace body. Generally, the maximum operating temperature is low (usually less than 950°C), and the thermal efficiency of heat transfer through the furnace body is also very low, so the shaft furnace of the external hea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B1/10F27B1/28F27B1/22F27D11/10
CPCF27B1/10F27B1/22F27B1/28F27D11/10
Inventor 陈漪恺陈来祥
Owner 马鞍山中科冶金材料科技有限公司