Hunan: Silkworm babies live in the greenhouse, and robots serve as “silkworm mothers” – see how the traditional sericulture industry “breaks out of the cocoon and is reborn”

This year’s Central Government Document No. 1 proposed to promote high-quality development of rural industries and “cultivate new rural industries and new business formats.”

Liuyang Economic Development Zone seized the opportunity of “Silkworms from East to West” and attracted businessmen from Zhejiang to establish Yashilin Cocoon Silk Biological Company, establish a modern sericulture factory, and create hundreds of billions of sericulturesilk Industry.

On March 28, the reporter followed Li Yiping, an expert from the Provincial Institute of Sericulture Science, to Yashilin Company and witnessed the traditional sericulture industry’s “rebirth” and the opening of a new model of smart sericulture.

Scene 1: Silkworm babies eat a “nutritious meal”

For thousands of years, planting mulberry and raising silkworms has been a natural practice. At Yashilin Company, the silkworm babies here eat “nutritious meals.”

Entering the factory area, three huge cylindrical silos stand tall and are particularly eye-catching. Staff told reporters that the three cylindrical silos contain soybean meal, corn, dried mulberry leaves and other raw materials, and are connected by pipelines to the processing workshop on the side, where “nutritious meals” are processed for silkworm babies every day.

Walking into the processing workshop is like entering the “central kitchen”: soybean meal, corn, dried mulberry leaves and other raw materials are crushed, weighed, proportioned, added with water, stirred evenly, and cooked for about an hour. The appearance becomes like mud and becomes A “nutritious meal” for silkworm babies.

“According to the silkworm’s appetite, make ‘nutritious meals’ every morning and evening, and process as much as you eat to ensure that every meal is fresh.” The staff pressed a button, and the automatic conveyor belt sent plates of “nutritious meals” to the silkworm’s room. For them to feast.

Every day from 7:30 to 8:00 in the morning and from 5:30 to 6:00 in the afternoon, it is the feeding time of the silkworms. According to the administrator, at most, silkworm babies eat 3,000 tons of feed a day.

“How good is the ‘appetite’ of these silkworm babies that digest 3,000 tons of feed a day?” The reporter was surprised.

Li Yiping explained that this kind of feed-eating silkworm baby was carefully selected by Yashilin Company and Shandong Agricultural University. It eats more, grows faster, spins longer silk, and has better cocoon quality. This is The power of agricultural “chips”.

In order to ensure the iterative advantages of the “chip”, Yashilin Company has carried out “production-research cooperation” with the Provincial Institute of Sericulture Science to select and breed silkworm seeds with better performance.

Scenario 2: Robot replaces “Silkworm Girl”

In the past, farm women collected mulberry and raised silkworms, and were called “silkworm mothers.” At Yashilin Company, except for the management positions which are done by humans, all the work done by “Silkworm Girl” is handed over to robots.

“The company’s silkworm house covers an area of 60 acres and has 4 floors.” Under the guidance of the staff, the reporter approached the silkworm house through a special passage.

The room where silkworm babies live is required to be a sterile environment. The reporter saw through the transparent glass that 30 layers of white plastic baskets were stacked next to each other in the silkworm room. This is the “apartment building” where silkworm babies live.

On the floor in the silkworm room, there is a QR code every few meters. The intelligent robot navigates according to the QR code and shuttles back and forth.

I saw robots moving miniature versions of silkworm-rearing “apartments” out of the grids one by one, spreading them layer by layer, and feeding them like an assembly line; each white and fat silkworm baby lay on its stomach and ate for half an hour. complete. The robots are coded layer by layer and moved into the fixed grid in the original order.

“In the entire factory, intelligent robots navigate according to the QR code to achieve precise transportation.” According to the management, the silkworm house covers an area of 60 acres and adopts a stacked breeding basket model. The density of silkworm breeding reaches 3,000 heads per square meter. It is equivalent to 5 times that of traditional artificial sericulture.

According to the process, everything from feed processing, to full-age feeding of silkworms, to automatic removal of silkworm silt, are all completed by intelligent robots.

Factory-based sericulture, with robots replacing “silkworm mothers”, allows sericulture farmers to say goodbye to hardship and fatigue, and saves labor costs by about 80%.

Scenario 3: Silkworm cocoon production increased a thousand times

Planting mulberry and raising silkworms. Most silkworm farmers raise spring silkworms, summer silkworms and autumn silkworms. In the best years, you can raise silkworms in late autumn for one more season.

In Yashilin Company, factory-based silkworm farming makes the silkworm house “like spring all year round”. Artificial feed is worry-free all year round. The growth of silkworms is no longer restricted by food rations and climate, and 10 to 12 batches can be raised in a year.

In traditional silkworm raising, the control of temperature and humidity is particularly important. If the temperature of the silkworm house is too high, water is usually sprinkled on the ground or in the air to cool it down. If the temperature is too low, use artificial heating such as coal stoves and firewood. These methods often consume a lot of manpower and material resources.

Yashilin Sericulture Factory has installed a new generation of intelligent devices. The central air-conditioning system and negative pressure fresh air system have become standard equipment in the silkworm room. On the Sericulture big data management and control platform, the operator clicks on the large screen and has a panoramic view of temperature, humidity, airflow and other conditions.

On the display screen, there are air conditioning, heating, humidification, dehumidification, ventilation, air equalization, disinfection and other items. Once the monitoring indicators are abnormal, a red alarm will be displayed. The administrator can control the parameters in place with one click on the computer according to the set parameters.

Different silkworm ages have different environmental requirements, and the temperature and humidity set in different rooms also vary.Same. According to the staff, in the most comfortable environment, the silkworms can eat well and sleep well without being disturbed by the outside world. After laying eggs, there is no need to survive the winter and they will immediately enter the “next spring”. 10 to 12 batches of silkworms can be raised in a year.

Li Yiping calculated that traditional mulberry leaf silkworm rearing counts three batches a year. Three layers of silkworm racks are set up in a one-story building. Based on 80% of the usable area, 600 silkworms can be raised per square meter. Standard factory-based sericulture can produce 12 batches a year. Each floor of a 4-story building can have 30 layers of silkworm baskets. The usable area is 100%, and 3,000 silkworms can be raised per square meter.

Based on this calculation, the cocoon output per unit land area can be increased by 1,000 times.

According to the relevant person in charge of Yashilin Company, the total investment of the project is 7 billion yuan, and the first phase of the No. 1 sericulture factory has been put into operation. This year it can produce 15,000 tons of silkworm cocoons, with an output value of nearly 1 billion yuan.

Three years later, the project will be fully put into production, with an annual production capacity of 500,000 tons of silkworm cocoons, with an output value exceeding 30 billion yuan. It will also attract upstream and downstream supporting companies to settle in the surrounding areas, creating a full industrial chain of sericulture and silk, and cultivating hundreds of billions ofIndustrial cluster.

“500,000 tons of silkworm cocoons is more than the total output of Guangxi, which currently ranks first in domestic silkworm cocoon production.” Yuan Shengyi, technical director of Yashilin Company, said with confidence that after the cocoon production capacity of Hunan Yashilin Company reaches 500,000 tons, it can be achieved The goal of “New Silk Road, starting from Changsha”.

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