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An automatic control method for conveying and storing waste incineration fly ash
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A waste incineration fly ash and fly ash technology, which is applied in the field of machinery, can solve the problems of reducing production efficiency, taking up operator time, and low degree of automation, achieving the effects of reducing frequent operations, liberating labor, and improving work efficiency
Active Publication Date: 2021-07-30
BMEI
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[0003] Fly ash transportation generally adopts two methods: mechanical transportation and pneumatic transportation. Pneumatic transportation is very mature in the technology of fly ash transportation in coal-fired power plants. However, due to the different chemical composition of fly ash in waste incineration power plants There are also differences in physical characteristics. The use of exactly the same pneumatic conveying equipment and system cannot effectively meet the requirements for fly ash conveying. Therefore, waste incineration power plants mainly adopt the mechanical conveying method of scraper conveyor and bucket elevator. The mechanical conveying method consists of scraper conveyor, Reversing valve, collection scraper machine, bucket elevator, warehouse roof screw
[0004] Fly ash conveying machinery and equipment are generally installed independently, independently debugged, and operated manually alone. Because there are many devices and the operation is relatively complicated, it takes a lot of time for the operator to start and stop the system, and when the equipment fails and the material level of the fly ash bin When it is high, automatic judgment cannot be realized, and the degree of automation is low, thereby reducing production efficiency and high fault tolerance rate
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Embodiment 1
[0062] Embodiment 1: as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 and Figure 7 As shown, an automatic control method for conveying and storing waste incineration fly ash includes an automatic start control step and an automatic stop control step.
[0063] The automatic start control step first needs to make a logical judgment of the start conditions. There are four start conditions, starting condition 1 to condition 4, corresponding to the 1# line conveying, the fly ash enters the A fly ash bin 11; the 1# line conveys, the fly ash Enter B fly ash bin 12;
[0064] 2# line conveying, fly ash enters A fly ash bin 11; 2# line conveys, fly ash enters B fly ash bin 12;
[0065] Realize the actions of the corresponding sequence control process according to the judgment result.
[0066] It is judged as the start condition 1, the 1# line is conveyed, the fly ash enters the A fly ash bin 11, it is necessary to turn forward to start the A bin top screw 9...
Embodiment 2
[0076] Embodiment 2: as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 and Figure 7 As shown, an automatic control method for the transportation and storage of waste incineration fly ash, the technical problem to be solved is the automatic control method for the transportation and storage of fly ash produced by waste incineration, so that the automatic start and stop of fly ash transportation and storage equipment can be realized. Reduce personnel operations and improve production efficiency.
[0077] An automatic control method for conveying and storing waste incineration fly ash, including a control method of one-key sequential start and one-key sequential stop.
[0078] Start in sequence with one key, first judge the starting conditions, execute the corresponding judgment logic from starting conditions 1 to 4, select 1# line or 2# line, A fly ash bin 11 or B fly ash bin 12, output the judgment result, according to the judgment As a result, the st...
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Abstract
The invention relates to an automatic control method for conveying and storing waste incinerationfly ash, which belongs to the field of mechanical technology. Automatically start the control steps, automatically judge the conditions, select the corresponding equipment according to the judgment results to start sequentially from front to back, and use the delay between equipment in combination with operating experience. Automatic stop control steps, the equipment is stopped sequentially from back to front, and the delay between equipment is adopted in combination with operating experience; automatic start and automatic stop adopt a one-button operation strategy, through intelligent judgment, automatic control of equipment start and stop, improve production efficiency; through equipment The start-stop sequence and delay control strategy avoid the problem of ash blocking and material jam, and enhance the stability of the system.
Description
technical field [0001] The invention relates to an automatic control method for conveying and storing waste incinerationfly ash, which belongs to the technical field of machinery. Background technique [0002] Waste incinerationfly ash refers to the residue collected in the flue gas purification system of waste incineration plants, generally including reaction tower fly ash and dust collector fly ash, which contains flue ash, added lime and activated carbon. As a substance with high specific surface area, waste incineration fly ash not only enriches a large amount of toxic heavy metals such as mercury, lead and cadmium, but also enriches a large amount of dioxins. It is a kind of heavy metalhazard and environmental persistence. Double-material hazardous waste with organic toxicity and hazard characteristics is extremely harmful to human health and the ecological environment. [0003] Fly ash transportation generally adopts two methods: mechanical transportation and pneum...
Claims
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Application Information
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