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Liquid material feeding metering apparatus

A technology for metering devices and liquid materials, applied in measuring devices, weighing equipment for automatic feeding/discharging, weighing, etc., can solve the problems of large errors in metering principles and inaccurate weighing, and improve accuracy , to ensure the effect of continuity

Inactive Publication Date: 2016-04-13
WUXI KING CONTROL INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large measurement error of the existing floor scales, about ±200 kg, the weighing is relatively inaccurate

Method used

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  • Liquid material feeding metering apparatus
  • Liquid material feeding metering apparatus

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Experimental program
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Embodiment Construction

[0014] The present invention will be further described below in conjunction with specific drawings.

[0015] like Figure 1 ~ Figure 2 As shown: the liquid material feeding and metering device includes a storage tank 1, a first centrifugal pump 2, a first platform scale 3-1, a second platform scale 3-2, a first two-stage pneumatic ball valve 4-1, The second two-stage pneumatic ball valve 4-1, the first manual ball valve 5-1, the second manual ball valve 5-2, the first pneumatic ball valve 6-1, the second pneumatic ball valve 6-2, the second centrifugal pump 7, Tank truck 8, first metering tank 9-1, second metering tank 9-2, first feed pipe 10-1, second feed pipe 10-2, first discharge pipe 11-1, second discharge pipe Pipeline 11-2 et al.

[0016] like figure 1 , figure 2 As shown, the liquid material feeding metering device of the present invention comprises a first platform scale 3-1 and a second platform scale 3-2, and first platform scales 3-1 and second platform scales...

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Abstract

The invention relates to a liquid material feeding metering apparatus. The liquid material feeding metering apparatus is characterized by comprising at least two platform scales, each platform scale is provided with a metering tank, the upper portion of each metering tank is provided with a feeding pipeline, and the bottom of each metering tank is provided with a discharging pipeline; and the feeding pipeline of each metering tank is provided with a feeding valve, and the discharging pipeline of each metering tank is provided with a discharging valve. The feeding valve of the feeding pipeline of at least one metering tank is at a closed state yet the discharging valve of the discharging pipeline of the at least one metering tank is at an open state; and at the same time, the feeding valve of the feeding pipeline of the at least one metering tank is at an open state yet the discharging valve of the discharging pipeline of the at least one metering tank is at a closed state. According to the invention, feeding continuity can be guaranteed, and the metering accuracy is improved; and the whole process employs automatic control.

Description

technical field [0001] The invention relates to a liquid material feeding and metering device, in particular to a liquid material feeding and metering device (such as an oil tank truck and other feeding and metering device), which belongs to the technical field of conveying and metering devices. Background technique [0002] The prior art has the drawback of relatively large metering errors in the feeding of oil tank trucks. In the prior art, during the feeding process of the tank car, the tare weight of the tank car is usually first weighed on the ground scale, and then weighed after the tank car is filled with raw materials. After the tare is removed, the actual material weight is obtained. Because the measurement principle error of the existing ground scale is relatively large, about ± 200 kilograms, thereby weighing is comparatively inaccurate. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and ...

Claims

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Application Information

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IPC IPC(8): G01G13/02G01G17/04
CPCG01G13/02G01G17/04
Inventor 吴云水
Owner WUXI KING CONTROL INSTR
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