Emulsion concentration online monitoring and proportioning system
An emulsion and concentration technology, which is applied in the direction of mixer accessories, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as difficulty in ensuring concentration accuracy, inability to dynamically adjust emulsion concentration, and lack of fine-tuning
Active Publication Date: 2019-08-16
BEIJING HUAHAI MACHINERY
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Problems solved by technology
[0004] Disadvantages: It is impossible to dynamically adjust the concentration of the emulsion in the system, and it does not have the function of online monitoring of the concentration. The concentration can only be monitored manually and the proportional valve needs to be adjusted frequently
[0006] Disadvantage: The reading of the concentration sensor is only displayed and not involved in the control, so it is still impossible to dynamically adjust the emulsion concentration in the entire system
Since the flow rate of the water inlet is an extremely unstable value, and the corresponding emulsified oil pump is a quantitative pump, it is difficult to guarantee the accuracy of the concentration of the emulsified liquid coming out of the mixer, let alone the possibility of fine-tuning. To achieve the purpose of unattended
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[0026] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0027] Such as figure 1 As shown, an emulsion online monitoring and proportioning system provided by the present invention includes: an emulsified oil tank 1, a mixed liquid tank 2, an emulsified oil tank liquid level sensor 3, a liquid tank liquid level sensor 4, an emulsified oil pump group 5, and an emulsified oil flow sensor 6 , the first emulsified oil solenoid valve 7.1, the second emulsified oil solenoid valve 7.2, the third emulsified oil solenoid valve 7.3, the water inlet solenoid valve 8, the water inlet flow meter 9, the emulsion delivery pump 10, the emulsion concentration sensor 11, emulsification Fuel tank liquid level display window 12.1, mixing liquid level display window 12.2, emulsified oil tank air ...
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The invention relates to an emulsion concentration online monitoring and proportioning system, and relates to the technical field of automatic coal mining. The whole system is controlled by PLC in a proportioning control box. Through an emulsified oil flow meter and an inlet water flow meter, the inlet water amount and inlet oil amount of the system can be precisely measured; the emulsion concentration of an emulsion box of a pump station is controlled at the source; through the online monitoring function of an emulsion concentration sensor, the emulsion concentrations of a liquid mixing box and the emulsion box of the pump station can be known in real time; the data is transmitted to the proportioning control box in real time, and the PLC in the proportioning control box can slightly adjust the emulsion concentration by controlling the amount of water injected into the liquid mixing box and amount of emulsified oil injected into the emulsion box, based on calculation and comparison.
Description
technical field [0001] The invention relates to the technical field of automatic coal mining, in particular to an emulsion concentration online monitoring ratio system. Background technique [0002] At present, there are generally two types of emulsion concentration monitoring and proportioning systems used in underground coal mines: [0003] Mechanical proportioning system: The main part of the system is a proportional valve, which connects water and emulsified oil to the proportional valve, and controls the flow of water and emulsified oil by adjusting the proportional valve. [0004] Disadvantages: It is impossible to dynamically adjust the concentration of the emulsion in the system, and it does not have the function of online concentration monitoring. It can only monitor the concentration manually and needs to adjust the proportional valve frequently. Since the flow rate of the incoming water is extremely unstable, the concentration of the emulsion prepared by the prop...
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IPC IPC(8): B01F3/08B01F15/00B01F15/04
CPCB01F23/41B01F35/2112B01F35/2206B01F35/2212B01F35/22141B01F35/2211B01F35/883
Inventor 杜建华
Owner BEIJING HUAHAI MACHINERY