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Multi-tube burner

A burner and air pipe technology, applied in burners, gas fuel burners, combustion methods, etc., can solve the problems that have not yet occurred, and achieve the effect of increasing the area, high heat transfer efficiency, and conducive to automatic ignition

Active Publication Date: 2013-08-21
HENAN DRAGON INTO COAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many heating methods for the rotary kiln body, among which setting the burner in the kiln body is one of them. The burners on the kiln body are common, heat storage type, heat storage radiation type, but they are set in the rotary kiln And the burner is arranged parallel to the axis of the kiln, the combustion flame gas does not directly contact the heated object in the kiln body, the heat energy is conducted and radiated to the heated object through the heating tube, and the multi-tube burner structure for heating it is also realized. did not appear

Method used

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Comparison scheme
Effect test

Embodiment 1

[0013] Such as figure 1 Shown: a multi-tube burner, arranged in the kiln body, including a plurality of air pipes 2 arranged in parallel and gas pipes 3 arranged in the air pipes 2, between the plurality of air pipes 2, the air pipes 2 and A process support pipe 1 is arranged between the kiln bodies, and a gas-air mixed flow mechanism 5 is arranged at the outlet end of the gas pipe 3, and a mixed flow area 6 is formed in the air pipe 2 near the outlet end of the gas pipe 3. An ignition detection mechanism 4 is provided, and the ignition detection mechanism 4 extends from the outside of the air pipe into the mixed flow area 6 in the air pipe. The gas pipe 3 extending into the air pipe 2 extends into the air pipe 2 through the process support pipe 1 . The ignition detection mechanism 4 provided in the mixed flow area 6 protrudes out of the kiln body through the process support pipe 1 . A sealing flange 7 is arranged on the process support pipe 1 .

Embodiment 2

[0015] Such as figure 1 Shown: a multi-tube burner, set in the kiln body, including multiple air pipes 2 arranged in parallel and gas pipes 3 extending into the air pipes 2, between the multiple air pipes 2, the air pipes 2 and the A process support pipe 1 is arranged between the kiln bodies, and a gas-air mixed flow mechanism 5 is arranged at the outlet end of the gas pipe 3, and a mixed flow area 6 is formed in the air pipe 2 near the outlet end of the gas pipe 3. An ignition detection mechanism 4 is provided, and the ignition detection mechanism 4 extends from the outside of the air pipe into the mixed flow area 6 in the air pipe. The ignition detection mechanism 4 provided in the mixed flow area 6 protrudes out of the kiln body through the process support pipe 1 . A sealing flange 7 is arranged on the process support pipe 1 .

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Abstract

The invention discloses a multi-tube burner which is arranged in a rotary kiln body and comprises multiple air tubes arranged in parallel and gas tubes arranged in the air tubes or extended in the air tubes, wherein process support tubes are arranged among the multiple air tubes as well as between the air tubes and the kiln body, the outlet end of each gas tube is provided with a gas-air flow mixing mechanism, a flow mixing region is formed in the vicinity of the outlet end of the gas tube in the air tube, and the flow mixing region is provided with an ignition detection mechanism. By radially arranging multiple multi-tube burners in the kiln body along the inner side of the kiln wall towards the center line of the kiln, the invention has the following beneficial effect: the multi-tube burners and multiple rows of heating tubes effectively increase the area for heat transfer by contact and radiation of materials, thereby achieving high heat transfer efficiency.

Description

technical field [0001] The invention belongs to the technical field of burner equipment in a rotary furnace body, and in particular relates to a multi-tube burner. Background technique [0002] At present, rotary kiln equipment is still a large-scale equipment that must be relied on in industrial production. In many production industries such as building materials, metallurgy, chemical industry, and environmental protection, rotary equipment is widely used for mechanical, physical or chemical treatment of solid materials. There are many heating methods for the rotary kiln body, among which setting the burner in the kiln body is one of them. The burners on the kiln body are common, heat storage type, heat storage radiation type, but they are set in the rotary kiln And the burner is arranged parallel to the axis of the kiln, the combustion flame gas does not directly contact the heated object in the kiln body, the heat energy is conducted and radiated to the heated object thro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B7/34F23D14/62
Inventor 朱书成曹国超王希彬
Owner HENAN DRAGON INTO COAL TECH CO LTD