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Remote control converter wet spraying process method and device

A technology of wet gunning and flow control device, applied in the direction of manufacturing converters, lining repair, etc., can solve problems such as long distances in industrial applications, and achieve the effects of being conducive to environmental protection, dense materials, and shortening operation time.

Inactive Publication Date: 2012-01-18
北京联合荣大工程材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technology is still in the stage of equipment and process improvement in China, and there is still a long way to go before realizing industrial application.

Method used

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  • Remote control converter wet spraying process method and device
  • Remote control converter wet spraying process method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A remote control converter wet gunning device, the water supply device 8 transports the water source through the pipeline and connects the self-flowing material delivery device 3;

[0030] The water supply device 8 is connected to the flow control device 9 through a pipeline, and the flow control device 9 is connected to the stirring device 1 through a pipeline, and the feeding nozzle of the stirring device 1 is aligned with the feeding device 2;

[0031] The coagulant adding device 6 sends the coagulant to the second flow control device through the combined pipeline 7; the second flow control device sends the coagulant to the self-flowing material delivery device 3 through the pipeline;

[0032] The high-pressure gas is connected to the feeding device 2 through the intake pipe 10, and the material in the feeding device 2 is transferred to the self-flowing material conveying device 3 through the pipeline;

[0033] The self-flowing material conveying device 3 is connecte...

Embodiment 2

[0055] A remote control injection repair device of the present invention mainly includes a continuous stirring device, a water pump unit device, a self-flowing material conveying device, a conveying pipeline, a coagulant adding device, and a spray gun operating device, and the spray material with good fluidity that has been stirred with water Continuously convey and spray to the position where the furnace lining needs to be repaired.

[0056] The specific features of the present invention are that the continuous stirring device uses a continuous mixer, the flow of water is automatically controlled, the dry material transportation and wet mixing are carried out continuously and without interruption, and the movement and rotation of the gunning vehicle and the spray gun can be operated by remote control.

[0057] One end of the delivery pipeline is connected to the high-pressure air source, and the other end is connected to the spray gun; the accelerator is introduced near the sp...

Embodiment 3

[0059] A remote-controlled converter wet gunning device, using a jet repairing device, including a continuous stirring device, a self-flowing material distribution device, a material delivery pipeline, a water-cooled spray gun with a remote control device, an accelerator delivery pump, a metering device and pipelines. The injection material with good fluidity that has been stirred with water is transported and injected to the position where the furnace lining needs to be repaired.

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Abstract

The invention relates to a remote control converter wet spraying process method and a remote control converter wet spraying device. A continuous mixer is adopted to stir a material by adding water in advance; the stirred material is high in fluidity; the material continuously enters a self-flow material distribution device, then is uniformly conveyed into a material conveying pipeline by the distribution device, and is blown out by a high-pressure gas; one end of the conveying pipeline is connected with a high-pressure gas supply, and the other end of the conveying pipeline is connected with a spray gun; an accelerating agent is introduced from a part close to the spray gun; the forward movement, the backward movement and the rotation of the spray gun and the forward movement, the backward movement and the steering of a spray repair vehicle can be finished by remote operation; and a water-cooled protector is arranged outside the spray gun to prevent the spray gun from being damaged by high temperature. Compared with the prior art, by using the method and the device, the operating time is shortened by at least 20 percent, and unexpected losses of materials can be reduced; moreover, the method and the device are favorable for environmental protection of operation regions, and are particularly suitable for maintenance repair of the converter.

Description

technical field [0001] The invention relates to a remote control converter wet gunning process method and device, belonging to the technical field of thermal processing. Background technique [0002] In order to prolong the service life of the converter, the converter has been gunned for nearly 50 years, and the gunning technology has been continuously improved in practice. The gunning method has successively appeared the traditional wet method, dry method, semi-dry method and flame gunning method. [0003] The traditional wet gunning technology, due to the high moisture content of the gunning slurry, not only damages the hot brick lining, but also causes high porosity, low strength, and poor slag resistance of the gunning layer due to the rapid volatilization of water, and has basically been replaced by semi-dry gunning technology. law to replace. At present, domestic converter gunning is mostly semi-dry gunning, which is simple in equipment and easy to operate, but becau...

Claims

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Application Information

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IPC IPC(8): F27D1/16C21C5/46
Inventor 章荣会邓乐锐
Owner 北京联合荣大工程材料股份有限公司
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