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Gas roller way kiln

A technology of roller table and kiln, which is applied in the field of sintering equipment to achieve the effects of small local temperature difference, stable product firing curve and protection of burners

Inactive Publication Date: 2015-12-30
青岛铸英特陶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using microwave heating, it is not suitable for sintering of products containing metal components, mainly relying on electric heating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The gas-fired roller kiln of this embodiment includes a kiln body, and the kiln body is divided into 21 units. The units ①-⑥ are the preheating section 1. The smoke exhaust branch pipe 12, the kiln body is provided with the smoke exhaust port connected with the smoke exhaust branch pipe 12 which is set up and down staggered; 13 is provided with exhaust fan 14;

[0024] The unit is the firing section 2, and a set of burners 21 are provided under the inner roller table of the units ⑦ and ⑧; In the unit, there are one set of burners 21 above and below the roller table 5 of each unit, a total of 8 sets; 9 sets of burners 21 are respectively connected to the PLC controller; the burners 21 are connected to the gas pipe one 22, each One side of the burner 21 is provided with a combustion-supporting air duct, and the combustion-supporting air duct is connected with the combustion-supporting fan 23;

[0025] The unit is cooling section 3, The unit is a transition unit; ...

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Abstract

The invention belongs to the technical field of sintering equipment, and relates to a gas roller way kiln. The gas roller way kiln is characterized in that first-sixth units of a kiln body are preheating sections; smoke discharging branch pipes are arranged on the top surfaces and side surfaces of the first unit, the third unit and fifth unit of the kiln body; the smoke discharging branch pipes gather at a smoke discharging main pipe; seventh-twelfth units are sintering sections; a group of burners is arranged at the lower part of the roller way inside the seventh unit and eighth unit; eight groups of burners are arranged the ninth-twelfth units; thirteenth-twenty-first units are cooling sections; the thirteenth unit is a transition unit; the fourteenth unit is a quenching unit; the fifteenth-twentieth units are temperature dropping units; natural ventilation pipes are interlacedly arranged on the left and right side walls of the fifteenth-seventieth units; hot air extraction branch pipes are arranged at the tops of the eighteenth-twentieth units; an axial flow fan is arranged on each of the two sides of the twenty-first unit; the burners are reasonably arranged and are controlled by a PLC. According to the gas roller way kiln, accuracy of temperature adjustment and control is high; natural gas is used as the fuel; the partial temperature difference inside the kiln is small; the sintering curve of a product is stable.

Description

technical field [0001] The invention belongs to the technical field of sintering equipment, and in particular relates to a gas-fired roller kiln for sintering foam ceramic filters. Background technique [0002] The firing of traditional ceramic foam filters mostly uses ordinary electric furnaces, which have relatively high power consumption, high labor intensity, environmental pollution, high reburning consumption, low thermal efficiency of kilns, and electric furnaces mainly rely on electric energy to achieve heating and burning. It is a secondary energy source, the energy consumption is too high, and the temperature control is not easy to operate, resulting in uneven internal and external temperatures of the product and low product qualification rate. [0003] The Chinese patent application with the application number 201420836612.X discloses a gas-electric hybrid roller kiln, which includes a low-temperature zone, a high-temperature zone and a cooling zone arranged in seq...

Claims

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Application Information

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IPC IPC(8): F27B9/12F27B9/36F27B9/40F27B9/30F27D17/00F23G7/06
CPCY02P10/143
Inventor 田国庆冯培敏张晓
Owner 青岛铸英特陶科技有限公司
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