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Application of power demand side management and intelligent power monitoring technology in the food

time:2017-09-06 16:11:25source:Ziqi compressorauthor: 赵疆昆Clicks: 0
Core Tip: First, the analysis of the characteristics of electricity users in the industry Cement manufacturing under the non-metallic mineral manufacturing industry directory of cement, lime and gypsum manufacturing industry, is heavy industry, refers to

The analysis of the power consumption of industry users
The food and beverage industry in the national manufacturing industry can be divided into the agro food processing industry (including grinding grain, feed processing, vegetable oil processing, slaughtering and meat processing, fruit and vegetable processing), food manufacturing (including baking food manufacturing, convenient food manufacturing, canning etc.), beverage manufacturing industry (including the manufacture of wine, soft drinks manufacturing etc.).
The processing flow of agricultural and sideline products is mainly: raw material - slaughtering - cooling - cutting - processing - processing - Cooking - cooling - sterilization - freezing - packing - storage.
The processing and production process of fruit and vegetable can mainly include: Cleaning - pre - treatment - precooling - freezing - Tank - sealing - sterilization - Tank - storage.
The main characteristics of the industry are pipeline operation, continuous operation of refrigerating equipment, seasonal consumption of fruits and vegetables, and the demand for electricity in export-oriented and contractual period.
Classification table of user equipment in food and beverage industry
Two, industry users participating in peak power rationing ability analysis
1. the large and medium sized enterprises in this industry are basically the three class system for 24 hours, and the electricity load is relatively stable, and the difference between the peak and the low is small. Small scale enterprises based on the first class system, the general production time from 8:00 to 17:00. According to the different production situation in this industry, the production shifts will be adjusted flexibly.
2. because the industry is an important industry related to people's livelihood, generally in the net power supply situation into a serious level, the industry involved in peak power rationing.
The 3. industry emergency managing ability. Emergency case for peak power rationing, in power equipment mainly for the office, lighting, air conditioning and other non production load, cleaning, packaging and warehousing and other auxiliary production load.
The 4. industry is more suitable for participation in the stage of peak power rationing to rest, but to ensure that the freezing and storage equipment load.
Three, industry users to participate in the technical scheme of the peak power
(1) IV level participation scheme for notch grade
The 1. stage of the peak
In view of the user characteristics of the industry, it is the first to advocate saving power for users:
1) no lights are prohibited in the corridors, passages, toilets and other places with good natural lighting.
2) the lighting in the office is on one stop; the indoor temperature is higher than 30 C to open the air conditioning, the temperature setting of the air conditioning is not less than 28 degrees C.
3) reduce the standby time of office equipment: the office equipment mainly includes the computer, the printer, the fax machine, the copier and the water dispenser. After the end of the work, all electrical equipment in the office will be closed in time and the office electrical equipment is not in standby state.
4) close the landscape lighting.
2. emergency peak
During the period from 8:00 to 22:00, the non productive loads such as lighting, office air conditioning, office load and so on should be reduced. During the period of the "to" period, there will be no production load such as lighting, office air conditioning, office load and landscape lighting.
(two) notch grade III level participation scheme
The 1. stage of the peak
On the basis of implementing the IV level plan, the auxiliary production load such as production lighting, air conditioning, blower, cleaning (cleaning fan, water pump, cleaning machine, etc.), packaging and warehousing (cleaning machine, conveyor belt, packing machine, etc.) are discontinued.
2. emergency peak
On the basis of implementing the IV level plan, the auxiliary production load such as production lighting, air conditioning, blower, cleaning (cleaning fan, water pump, cleaning machine, etc.), packaging and warehousing (cleaning machine, conveyor belt, packing machine, etc.) are discontinued.
(three) notch grade II level participation scheme
The 1. stage of the peak
Based on the implementation of III scheme, to reduce or stop before treatment (sorting machine, hoisting machine, cutting machine, dicing machine, vibrating screen, processor, washing machine, conveyor belt, grinding machine etc.), processing (seasoning machine, meat grinder, filling machine, dryer, cooking machine, electric oven, crane scourer, etc.), canning sealing (coding machine, vacuum pump, sealing machine, sterilization (sterilization) circulation pump, air compressor and other production load).
2. emergency peak
Continue to execute the III level scheme.
(four) notch grade I level participation scheme
The 1. stage of the peak
Based on the implementation of II scheme, all out before treatment (sorting machine, hoisting machine, cutting machine, dicing machine, vibrating screen, processor, washing machine, conveyor belt, grinding machine etc.), processing (seasoning machine, meat grinder, filling machine, dryer, cooking machine, electric oven, crane, scourer etc.), canning sealing (coding machine, vacuum pump, sealing machine, sterilization (sterilization) circulation pump, air compressor and other production load).
2. emergency peak
Continue to execute the III level scheme.
Four, industry users participating in peak power rationing and precautions of risk
The industry in peak power rationing there is no security risk, but because of the particularity of the industry products, refrigeration equipment outage time for 1 hours, and the pipeline shutdown will cause the backlog on any process procedure of intermediate products, forcing the entire production stopped, stop production period of raw materials and intermediate products will deteriorate, which products do not meet quality standards, product obsolescence.
Therefore, the industry involved in peak power rationing, enterprises should be based on their actual situation, scientific and reasonable preparation of internal emergency plans, actively cooperate with the implementation of peak power rationing, prepared in advance, to minimize the loss.
Five, the function and application of intelligent power monitoring
5.1 project introduction
Zhengzhou top Tianjin food is a drink company built by Kangshifu holding company in Zhengzhou. The total investment of the company is $40 million, and the registered capital is $18 million. It is mainly engaged in the production and sales of Kangshifu's drink series. It has one 0.4KV distribution room and 4 transformers with single power supply. Zhengzhou top Tianjin Food Co., Ltd. and Henan power company Zhengzhou power supply company signed a power supply scheme agreement. The power supply and distribution project of the company is completely designed by the Henan Chen Yuan Power Engineering Design Co., Ltd.

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