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Coal-as-fired weighing system, weighing method and checking method

A calibration method, coal technology, applied in weighing, weighing equipment testing/calibration, measuring devices, etc., can solve problems such as inaccurate weighing of coal into the furnace, achieve good promotion space and economic benefits, simple method, The effect of high measurement accuracy

Inactive Publication Date: 2017-05-31
STATE NUCLEAR ELECTRIC POWER PLANNING DESIGN & RES INST CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0010] In order to solve the problem of inaccurate weighing of furnace coal in the prior art, the embodiment of the present invention provides a furnace coal weighing system and its weighing method and calibration method

Method used

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  • Coal-as-fired weighing system, weighing method and checking method
  • Coal-as-fired weighing system, weighing method and checking method

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Embodiment Construction

[0053] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0054] In the first aspect, the embodiment of the present invention provides a furnace coal weighing system, see figure 1 , figure 2 , the furnace coal weighing system includes: a coal trestle 7, and a belt conveyor 6 laid on the coal trestle 7; and at least two electronic belt scales sequentially arranged on the belt conveyor 6; set On the belt conveyor 6 and upstream of at least two electronic belt scales 1, 2, there is a discharger 3 with coulters, and the discharger 3 also has a downward passage arranged on the side of the belt conveyor 6 The funnel 31 of the coal trestle 7, and the coal drop pipe 32 connected with the funnel 31; when the coulter of the unloader 3 falls, the coal on the belt conveyor 6 enters the coal drop pipe 3...

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Abstract

The invention discloses a coal-as-fired weighing system, weighing method and checking method, and relates to the technical field of belt scales. The coal-as-fired weighing system comprises a coal conveyer trestle, a belt conveyer laid on the coal conveyer trestle, at least two electronic belt scales sequentially arranged on the belt conveyer, dischargers, a heavy-duty truck and an electronic truck balance, wherein each discharger provided with a coulter, a funnel and a coal drop pipe is arranged on the belt conveyer and located at the upstream of the at least two electronic belt scales, and the coulters of the dischargers descend to drive coal on the belt conveyer to enter the coal drop pipes and ascend to allow the coal to be continuously conveyed on the belt conveyer; the heavy-duty truck is arranged below the coal drop pipes, and the electronic truck balance is arranged on one side of the heavy-duty truck. The coal-as-fired weighing system has the advantages that the use amount of the coal as fired of a power plant can be reflected truthfully, and the coal-as-fired weighing system is easy to implement, promising in popularization prospect and good in economic benefit.

Description

technical field [0001] The invention relates to the technical field of belt scales, in particular to a weighing system, a weighing method and a calibration method for furnace coal. Background technique [0002] Coal is the most important fuel type in thermal power plants in my country. The coal consumption index of thermal power plants directly reflects the coal utilization rate of power plants, and is an important indicator related to the cost accounting of power plants. Therefore, accurate and accurate coal consumption indicators can truly reflect the real coal utilization and power generation costs of power plants. In actual production, the coal consumption index is closely related to the quality of the furnace coal. In other words, if you want to get an accurate coal consumption index, you must first ensure that you get an accurate amount of coal into the furnace. [0003] At present, in my country's thermal power plants, the coal into the furnace is usually weighed by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G11/16G01G11/00G01G23/01
CPCG01G11/16G01G11/006G01G23/01
Inventor 徐冬梅郝国栋樊龙黄汉根崔映红郝嘉琦
Owner STATE NUCLEAR ELECTRIC POWER PLANNING DESIGN & RES INST CO LTD
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