Automatic and accurate water adding device of pelletizer
A ball making machine, automatic technology, applied in non-electric variable control, instrument, program control in sequence/logic controller, etc., can solve the problems of easy interference, high operation requirements, threat to the health of operators, etc. Accurate, low skill requirements
Pending Publication Date: 2017-09-29
JIANGSU PROVINCE METALLURGICAL DESIGN INST
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AI Technical Summary
Problems solved by technology
The material entering the pelletizer is powder, and the working environment on site is harsh, with great dust and noise, threatening the health of operators
[0005] (2) Inaccurate control of water addition
The valve opening is manually adjusted by the operator, and there is no detection method for the amount of water added
[0006] (3) High operating requirements
[0007] (4) Easy to interfere
Method used
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Embodiment Construction
[0020] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0021] Such as figure 2 As shown, an automatic and precise water adding device for a pelletizing machine of the present invention includes a PLC control system, an outlet moisture meter 1, a water adding pipeline 2, a flow meter 3, an electric regulating valve 4, a water inlet 5, a feed moisture meter 9, A first manual valve 10 , a second manual valve 11 , a bypass pipe 12 and a third manual valve 13 . The flow meter 3, the electric control valve 4 and the water inlet 5 are sequentially connected through the water supply pipeline 2, and the PLC control system is connected with the outlet moisture meter 1, the flow meter 3, the electric control valve 4 and the feed moisture meter 9 respectively. The number of water inlets 5 in the present invention is 4 to 8, and each water inlet 5 is equally spaced, which is convenient for uniform water addi...
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The present invention discloses an automatic and accurate water adding device of a pelletizer. The device comprises: a PLC control system, an outlet moisture analyzer located at the material outlet of a pelletizer, and a flowmeter, an electric control valve and at least one water adding port which are connected in order through a water adding pipeline, and the PLC control system is connected with the outlet moisture analyzer, the flowmeter and the electric control valve; the outlet moisture analyzer is configured to detect the moisture value of balling at the material outlet of the pelletizer and transmit the current balling moisture signals to the PLC control system, the flowmeter is configured to detect the water flow in the pipeline and transmit the current flow signals to the PLC control system, and the electric control valve is configured to transmit the current valve opening feedback signals to the PLC control system and output the valve opening feedback signals to control the electric control valve. The automatic and accurate water adding device of the pelletizer realizes that the electric control valve can perform automatic adjustment of opening according to the effect of the pelletizer to accurate add water, and the automatic and accurate water adding device of the pelletizer has low skill requirements for operators, and is suitable for batch production.
Description
technical field [0001] The invention relates to a water adding device for a pelletizing machine, in particular to an automatic and precise water adding device for a pelletizing machine. Background technique [0002] In the current engineering projects, pelletizers are generally used to pelletize the materials transported by the tape machine. In order to ensure the effect of pelletizing, an appropriate amount of production water should be added during the pelletizing process, and the amount of water added should be adjusted according to the appropriate water content of raw pellets. Take control. [0003] Existing technologies such as figure 1 As shown, a manual valve is set on the water adding device, and an operator is arranged beside the water adding device, and the opening degree of the manual valve is adjusted by the operator. On-site operators are required to observe the pelletizing effect of the pelletizing machine, and manually adjust the opening of the manual valve ...
Claims
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IPC IPC(8): G05B19/05G05D22/02
CPCG05B19/058G05B2219/163G05D22/02
Inventor 王政宋虓海王彩莲
Owner JIANGSU PROVINCE METALLURGICAL DESIGN INST