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Method of realizing automatic block clearing and continuous operation of up flow type ash cabin pump

An ash bin, automatic technology, applied in the direction of combustion method, removal of solid residue, treatment of combustion products, etc., can solve problems such as blockage, achieve the effect of overcoming defects, avoiding blockage, and increasing the gas phase concentration steadily

Inactive Publication Date: 2006-08-30
李玉清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The first solution of the present invention is how to deal with the blockage problem that may occur at any time due to the change of the warehouse pressure in the production process

Method used

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  • Method of realizing automatic block clearing and continuous operation of up flow type ash cabin pump

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Embodiment Construction

[0033] With reference to the accompanying drawings, it can be clearly understood that the content of the present invention is to make a key improvement to the original upward ash bin pump structure, and on the basis of the improvement, an automatic blockage removal method in the online state is designed. On the basis of this, the automatic and continuous operation of the ascending ash bin pump has been redesigned.

[0034] The method of automatic blockage removal is realized by means of the complete set of configuration in the existing ash bin pump system, the central processor in the control circuit and the process control software stored in EEPROM. The key is:

[0035] ① An ash discharge pipe 5 is set between the main ash conveying pipe 4 and the ash storage hopper 2, and a controlled ash discharge valve 6 is set in the pipeline. ②Pressure sensors are respectively installed in the upper space of the main ash conveying pipe 4 and the chamber pump body 1. ③Standard pressure da...

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Abstract

The present invention relates to a method for making up-going lime bin pump implement automatic blockage elimination and its continuous operation. Said method is implemented by utilizing existent lime bin pump system, central processor in control circuit and process control software stored in EEPROM. It is characterized by that between main lime-conveying pipe and lime-stored tank a lime-discharging pipe and a controlled lime-discharging valve are set. Besides, it also includes the components of air inlet tube, etc. Said invention also provides the concrete steps for implement said method.

Description

technical field [0001] The invention relates to a method for realizing automatic blockage removal and continuous operation of an upward ash bin pump. Background technique [0002] A large amount of fly ash produced in the production of thermal power plants is collected by the electrostatic precipitator into the ash storage hopper, and then transported to the ash storage by the ash storage pump system. Most of the existing ash bin pump systems use upward ash bin pumps. The system structure includes a bin-type pump body. The fluidized bed structure at the bottom of the bin is connected to the compressed gas main pipe through an inlet valve. The pressurizing valve is connected with the gas distribution system. The upward-type internal ash conveying pipe is directly inserted from the top of the silo pump to the bottom of the silo and the top of the fluidized bed surface. In the prior art, the internal ash conveying pipe of the ascending-type ash silo pump communicates with the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G53/66B65G53/40B65D88/64F23J3/00
Inventor 李玉清
Owner 李玉清
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