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Valve opening degree feedback device of tertiary-air duct high-temperature gate valve of rotary cement kiln

A valve opening feedback, cement rotary kiln technology, applied in valve devices, engine components, mechanical equipment, etc., can solve problems such as inability to perform remote control, and achieve low-cost effects

Inactive Publication Date: 2014-10-01
WEIDUN CEMENT GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problem that the high-temperature gate valve of the tertiary air duct of the existing cement rotary kiln cannot be remotely controlled, and to provide a valve opening feedback device for the high-temperature gate valve of the tertiary air duct of the cement rotary kiln

Method used

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  • Valve opening degree feedback device of tertiary-air duct high-temperature gate valve of rotary cement kiln
  • Valve opening degree feedback device of tertiary-air duct high-temperature gate valve of rotary cement kiln

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Embodiment Construction

[0009] Such as figure 1 with figure 2 As shown, the feedback device for the valve opening of the high-temperature gate valve of the cement rotary kiln tertiary air duct in this embodiment includes a stainless steel shell and a magnet, and a scale line for the valve opening is set on the metal shell. It includes a temperature transmitter 1 with a graduation number of PT100, 11 series resistors 3 and 11 reed switches 2, the resistance of the first resistance of the 11 series resistors 3 matches the range of the temperature transmitter, and the graduation One end of the temperature transmitter 1, numbered PT100, is connected to the 24V DC power supply, the other end of the temperature transmitter 1 is connected to one end of the first resistor of 11 series resistors 3, and the series connection point of each two resistors 3 is connected to a dry reed switch 2, the other end of the last resistor is connected to one end of the last reed switch 2, the other end of 11 reed switches...

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Abstract

The invention belongs to the technical field of valve opening degree feedback devices, in particular to a valve opening degree feedback device of a tertiary-air duct high-temperature gate valve of a rotary cement kiln. The valve opening degree feedback device of the tertiary-air duct high-temperature gate valve of the rotary cement kiln mainly solves the technical problem that an existing tertiary-air duct high-temperature gate valve of the rotary cement kiln is incapable of performing long-range control. The valve opening degree feedback device of the tertiary-air duct high-temperature gate valve of the rotary cement kiln comprises a metal shell and a magnet and further comprises a temperature transmission, n serial resistors and n reed pipes, wherein the metal shell is provided with valve opening degree scales, and the magnet is arranged on the tertiary-air duct high-temperature gate valve. The valve opening degree feedback device of the tertiary-air duct high-temperature gate valve of the rotary cement kiln is capable of performing the long-range control for the tertiary-air duct high-temperature gate valve of the rotary cement kiln, is low in cost and is suitable for various bad working conditions.

Description

technical field [0001] The invention belongs to the technical field of a valve opening degree feedback device, and in particular relates to a valve opening degree feedback device for a high-temperature gate valve of a tertiary air duct of a cement rotary kiln. Background technique [0002] Due to the high temperature, heavy weight and harsh use environment of the high temperature gate valve of the tertiary air duct of the cement rotary kiln, most of the domestic manufacturers currently use the positive and negative motors and on-site mechanical instructions to adjust the opening of the valve plate. Remote operation is extremely inconvenient. Therefore, the existing high-temperature gate valve of the tertiary air duct has the technical problem of being unable to remotely control the opening of the valve. Contents of the invention [0003] The purpose of the present invention is to solve the technical problem that the existing cement rotary kiln tertiary air duct high tempe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K37/00
CPCF16K37/0083
Inventor 支俊秉吉云云
Owner WEIDUN CEMENT GRP
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