China is a world's most populous country and a big agricultural country. There is a saying that "no work is not rich, no agriculture is unstable, no business is not living." The agricultural issue is related to social stability and even human survival. To put it bluntly, food issues are related to social stability and even The problem of human survival, we can't live without meals for three meals a day, and we can't do without agricultural products. Even if technology is developed, the demand and demand for agricultural products will only be bigger and higher. It is a pity that the food we are eating now is getting worse and worse: the appearance is good, and it grows bigger. I don’t know, many of them are chemically processed, so they don’t look good, even harmful to the body. There are a lot of unknown and unspeakable secrets in the processing, storage and transportation links, such as adding hormones during planting, scavenging sulfur during processing, adding preservatives during storage and transportation, and so on. Now food safety has become a serious social problem, and everyone is at risk.
Agricultural products (including seafood) generally have the following characteristics:
Large water content
Meat generally reaches about 50%, and fruits and vegetables generally reach 80-90%. Buying and selling agricultural products is almost the same as buying and selling water.
Strong seasonality
The biggest problem encountered in the processing and sales of agricultural products is the very strong seasonality. Usually, more money can't be bought just outside the market (except for the greenhouse), and there is no need to send it in the fields and trees during the prosperous period.
Perishable deterioration
Most of the agricultural products will rot and deteriorate in a few days at room temperature, or reduce the nutrients, or change the color and taste. As a result, storage and transportation become a major problem for agricultural products. The cost of storage and transportation of some agricultural products is far greater than the cost of breeding.
Need post processing
Some agricultural products need to be processed after harvesting, such as tea, tobacco, rice, cotton, betel nut, vegetable oil, Chinese herbal medicine, etc.
Large production volume
Any kind of agricultural product, even if you have not used it before, in fact, its production is very very large, 100,000 tons, millions of tons, 10 million or even 10 million tons to calculate. A large amount of storage space is required. If cold storage is used, the cost is difficult for humans to bear.
In order to solve the above problems, the best way is to dry the agricultural products, reduce the water content of agricultural products, save transportation costs, greatly extend the shelf life, effectively balance supply and demand, and restrain market price fluctuations, and facilitate consumer procurement and use.
Tell everyone a phenomenon: the more developed countries and regions, the less fresh food, the more clean and dry. Therefore, drying technology and drying equipment are very important and urgent for us, but the industry has not received enough attention.
Drying is a very old and traditional craft. Even without human intervention, it relies on the sun and ventilation to achieve dryness. Because of this, it has not been paid attention to. What do you think? It’s ok to take a shower. Therefore, to this day, the drying and processing of China's agricultural products is still very backward, relying on the days to eat more, pollution processing is more. You can pay attention to the road, or the two sides of the road, the dirty ground, drying up the amount of food sent to you and me.
Many products, the sun is ok, but not the best results, no one thinks. The traditional drying is open-loop drying. Even if the weather is very good, there are problems such as dust pollution and loss of nutrients.
The bigger question is, what happens when the weather is bad?
In the past, it was divided into households. Each family had a small floor, and each family had surplus labor for the elderly and children. Now that the small-scale peasant economy has been eliminated, it is very easy for the government to call on farmers to raise seeds. The state encourages the scale-up and intensification of agricultural production, but the next problem is storage, transportation and sales. The government is powerless, and only the farmers themselves I think of it, mainly relying on drying, storage and transportation, but the dry place after large-scale intensive cultivation is a very big problem. It is impossible to distribute it to various households to go to the air. What happens when it suddenly rains? Therefore, modern drying equipment must be relied upon.
At present, the drying equipment of agricultural products is still very backward. Most of them use coal and firewood, and a small part of them use gas and electricity. The cost is very high, and sometimes it pollutes agricultural products. For example, the betel nut in Hainan Province is originally the first of the South medicines. It has the effect of preventing cancer and cancer. However, in the past few years, farmers directly burned coal or construction waste to dry betel nuts. As a result, betel nut became a carcinogenic product. After CCTV reported, it was born. The purchase price of betel nut has dropped from more than ten yuan a pound to one yuan a pound. No one wants it, and the loss of farmers in one year has reached more than 10 billion yuan. In 2013, the Hainan Agriculture Department invested 100 million yuan to subsidize the promotion of energy-saving and environmentally-friendly drying equipment based on heat pumps. It has not recovered yet, and the lessons are not deep.
Drying requires a lot of energy consumption. Dry coal burning wood is also a major contributor to environmental pollution. Now China's smog coverage area has reached more than 10%, and it is concentrated in more developed cities and even hit Japan. Therefore, it is a general trend to control high-pollution coal-fired and fire-burning drying equipment and promote green energy-saving and environmental protection equipment based on heat pumps. The state has introduced many very large subsidy policies.
The heat pump is the only device that has been discovered by humans to exceed 100% efficiency. It actually absorbs the energy in the environment without any pollution. The temperature and humidity are very convenient to control. The drying aspect has been obtained in many industries in many provinces in the south. Promotional use, hot water and floor heating have been applied to Beijing.
Agricultural products (including seafood) generally have the following characteristics:
Large water content
Meat generally reaches about 50%, and fruits and vegetables generally reach 80-90%. Buying and selling agricultural products is almost the same as buying and selling water.
Strong seasonality
The biggest problem encountered in the processing and sales of agricultural products is the very strong seasonality. Usually, more money can't be bought just outside the market (except for the greenhouse), and there is no need to send it in the fields and trees during the prosperous period.
Perishable deterioration
Most of the agricultural products will rot and deteriorate in a few days at room temperature, or reduce the nutrients, or change the color and taste. As a result, storage and transportation become a major problem for agricultural products. The cost of storage and transportation of some agricultural products is far greater than the cost of breeding.
Need post processing
Some agricultural products need to be processed after harvesting, such as tea, tobacco, rice, cotton, betel nut, vegetable oil, Chinese herbal medicine, etc.
Large production volume
Any kind of agricultural product, even if you have not used it before, in fact, its production is very very large, 100,000 tons, millions of tons, 10 million or even 10 million tons to calculate. A large amount of storage space is required. If cold storage is used, the cost is difficult for humans to bear.
In order to solve the above problems, the best way is to dry the agricultural products, reduce the water content of agricultural products, save transportation costs, greatly extend the shelf life, effectively balance supply and demand, and restrain market price fluctuations, and facilitate consumer procurement and use.
Tell everyone a phenomenon: the more developed countries and regions, the less fresh food, the more clean and dry. Therefore, drying technology and drying equipment are very important and urgent for us, but the industry has not received enough attention.
Drying is a very old and traditional craft. Even without human intervention, it relies on the sun and ventilation to achieve dryness. Because of this, it has not been paid attention to. What do you think? It’s ok to take a shower. Therefore, to this day, the drying and processing of China's agricultural products is still very backward, relying on the days to eat more, pollution processing is more. You can pay attention to the road, or the two sides of the road, the dirty ground, drying up the amount of food sent to you and me.
Many products, the sun is ok, but not the best results, no one thinks. The traditional drying is open-loop drying. Even if the weather is very good, there are problems such as dust pollution and loss of nutrients.
The bigger question is, what happens when the weather is bad?
In the past, it was divided into households. Each family had a small floor, and each family had surplus labor for the elderly and children. Now that the small-scale peasant economy has been eliminated, it is very easy for the government to call on farmers to raise seeds. The state encourages the scale-up and intensification of agricultural production, but the next problem is storage, transportation and sales. The government is powerless, and only the farmers themselves I think of it, mainly relying on drying, storage and transportation, but the dry place after large-scale intensive cultivation is a very big problem. It is impossible to distribute it to various households to go to the air. What happens when it suddenly rains? Therefore, modern drying equipment must be relied upon.
At present, the drying equipment of agricultural products is still very backward. Most of them use coal and firewood, and a small part of them use gas and electricity. The cost is very high, and sometimes it pollutes agricultural products. For example, the betel nut in Hainan Province is originally the first of the South medicines. It has the effect of preventing cancer and cancer. However, in the past few years, farmers directly burned coal or construction waste to dry betel nuts. As a result, betel nut became a carcinogenic product. After CCTV reported, it was born. The purchase price of betel nut has dropped from more than ten yuan a pound to one yuan a pound. No one wants it, and the loss of farmers in one year has reached more than 10 billion yuan. In 2013, the Hainan Agriculture Department invested 100 million yuan to subsidize the promotion of energy-saving and environmentally-friendly drying equipment based on heat pumps. It has not recovered yet, and the lessons are not deep.
Drying requires a lot of energy consumption. Dry coal burning wood is also a major contributor to environmental pollution. Now China's smog coverage area has reached more than 10%, and it is concentrated in more developed cities and even hit Japan. Therefore, it is a general trend to control high-pollution coal-fired and fire-burning drying equipment and promote green energy-saving and environmental protection equipment based on heat pumps. The state has introduced many very large subsidy policies.
The heat pump is the only device that has been discovered by humans to exceed 100% efficiency. It actually absorbs the energy in the environment without any pollution. The temperature and humidity are very convenient to control. The drying aspect has been obtained in many industries in many provinces in the south. Promotional use, hot water and floor heating have been applied to Beijing.
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