Agricultural wholesale market, farmer's market, large-scale shopping malls and supermarkets are large households of garbage. Every day, in the process of batching fruits and vegetables, a large amount of fruit and vegetable waste such as melon peel and rotten leaves can be produced. Due to its high organic content, high water content and low impurities, it poses challenges for the treatment of fruit and vegetable waste. How do the major agricultural market in Shenzhen handle fruit and vegetable waste? A few days ago, the second stop of the “Citizens Watching Domestic Waste Classification†activity went into the Fruit and Vegetable Waste Treatment Center of the Futian Agricultural Market to explore the processing of fruit and vegetable waste.
10 barrels of fruit and vegetable waste after processing 1 barrel
The fruit and vegetable waste treatment center of Futian Agricultural Market is close to the market. Once you get to the door, you can see a small fruit and vegetable waste treatment equipment. At the scene, the public saw that after sorting fruits and vegetables manually, a kind of fruit and vegetable garbage was collected into a large green garbage bin. The robot arm put the garbage into the machine. After crushing the crusher, it was continuously pressed, and the squeezed sewage was discharged through the sewage pipe. To the sewage treatment plant, the secondary treatment is carried out, and the treated garbage becomes a dry fiber residue. Since the amount of residue is small and the utilization value is low, it is directly put into the garbage station and enters the landfill.
The technician Wang Yongbiao explained that after a pile of fruit and vegetable waste has been treated by the fruit and vegetable processing equipment, the final moisture content of the material is less than 53%, and the amount can be reduced by more than 85%, and the remaining residue is directly thrown into the trash can. The processing point began trial operation in early August this year, with a daily processing capacity of nearly 40 tons. “Based on the amount of garbage in the barrel, almost 10 barrels of garbage are disposed of.â€
The Futian Agricultural Batch Fruit and Vegetable Waste Treatment Center began to collect the fruits and vegetables residues in the agricultural market at 3 am every day, and ended at 8:00 in the morning. The garbage in the agricultural market was pulled by a whole vehicle to the fruit and vegetable processing point. Wang Yongbiao said that when it was not bright every day, the staff went into the agricultural market to collect fruit and vegetable waste and transported it back to the processing center to start sorting. The machine starts working at 8 am and works seven or eight hours a day.
Most of the fruit and vegetable waste in the Fukuda agricultural market is the residual fruits and vegetables that have been discarded due to crushing during transportation. At present, the fruit and vegetable waste produced in the agricultural batch market needs to be sorted twice to be placed in the processing equipment. The second sorting requires technicians to do it themselves. Because traders are always accustomed to put other garbage into the trash can, and do-it-yourself sorting can ensure that there is no other kind of garbage mixed in the trash can to ensure that it is all fruit and vegetable waste, so as to improve the efficiency of processing and processing of the equipment.
According to reports, at present, this machine handles a wide variety of fruits and vegetables, including cabbage, cabbage and other vegetables, such as apple, peach, grape and other fruit waste, and can also handle peanuts, rice, soybeans and other grains. Garbage can even handle meat waste such as minced meat, fish bones and broken bones.
Biogas generated after fruit and vegetable waste treatment can also generate electricity
It is understood that the fruit and vegetable waste treatment equipment is suitable for garbage generated in agricultural batch markets, fruit and vegetable production bases, etc., and the residues after comprehensive treatment are more easily transported and utilized. Its role is mainly reflected in four aspects, which can achieve waste reduction, high moisture content of fruits and vegetables, and reduce the amount of water after dehydration; it can also reduce the production of odor and reduce the amount of waste from fruits and vegetables. Through the crushing and pressing process, the water content of the garbage is greatly reduced, and the odor generated by the garbage fermentation is reduced to a large extent. At the same time, the leachate is reduced, and after the fruit and vegetable waste is pressed and dehydrated, most of the slurry is left in the transfer station for centralized treatment. It can improve the social and environmental benefits; finally, it can achieve the effect of resource utilization. The solid residue obtained after the treatment of fruit and vegetable waste can be used for secondary use, such as organic fertilizer substrate and biomass fuel, thereby realizing the recycling of fruit and vegetable waste and conserving resources. And energy.
For example, in the Longgang District Fruit and Vegetable Waste Treatment Point, the average daily processing capacity of the fruit and vegetable waste in the agricultural market in Longgang District is 90 tons. The final use of fruit and vegetable waste is slightly different from that used in the Futian Agricultural Market. Here, the fruit and vegetable waste is made into a slurry through a pretreatment system, and sent to an anaerobic fermentation system to generate biogas, wherein the biogas slurry is centrifugally dehydrated, and the sewage is sent to a sewage treatment station for treatment to discharge the standard, and the biogas residue is used for making the biogas fertilizer. The moisture content of the biogas residue is less than 80%, and the waste of fruit and vegetable waste is reduced by more than 90%. Among them, the biogas obtained after the treatment is used for power generation, and the biogas residue can be used for secondary use as an organic fertilizer, thereby realizing the resource utilization of fruit and vegetable waste, saving resources and energy.
Fruit and vegetable waste treatment has covered more than 290 farmer's market
At present, Shenzhen is establishing a recycling system for “fruit and vegetable waste†in the market. There are two main ways to recycle fruit and vegetable waste. One is to arrange a small processor to treat the fruit and vegetable waste produced by the farmer's market and its surrounding shopping malls and supermarkets, and to decompose the composted products for use in farm fruits and vegetables. Planting; another way is to include it in the kitchen garbage collection and handling system in the jurisdiction, such as the Pinghu Haijixing Agricultural Batch Market in Longgang District and the fruit and vegetable waste in the Buji Agricultural Market in Luohu District. In the first half of 2018, the city completed 21 fruit and vegetable waste disposal points, covering more than 290 agricultural approval markets and farmer's markets. The cumulative recycling of fruit and vegetable waste was 30,600 tons, with an average daily handling of 169 tons.
The second stop
Futian Agricultural Market Fruit and Vegetable Waste Treatment Center
Treatment target: fruit and vegetable waste
Treatment: press dehydration
Processing capacity: 169 tons / day
Stone of other mountains
Japan
In Japan, the treatment of fruit and vegetable waste is more commercialized. Some enterprises use the technology to make dyes and reuse them through special techniques to develop the secondary use value of fruit and vegetable waste. Some enterprises also collect discarded vegetables and make them with fresh garbage disposal machines. Fertilizers, then added directly to the vegetable seeds, the purchaser only needs to bury the seed bag directly into the soil to grow the fruit.
Australia
In Australia, companies convert fruits and vegetables into usable water, which produces up to 800 litres of water per ton of fruit. By collecting and filtering unwanted liquefied substances such as oranges, carrots, beetroots and olives, they end up with a fruity scented beverage and put it on the market.
Netherlands
In the Netherlands, “fruit leather†is made from the remaining fruits and vegetables in the food market, and rotten fruits and vegetables are made into extensible leather-like fabrics and are planned to be put on the market.
10 barrels of fruit and vegetable waste after processing 1 barrel
The fruit and vegetable waste treatment center of Futian Agricultural Market is close to the market. Once you get to the door, you can see a small fruit and vegetable waste treatment equipment. At the scene, the public saw that after sorting fruits and vegetables manually, a kind of fruit and vegetable garbage was collected into a large green garbage bin. The robot arm put the garbage into the machine. After crushing the crusher, it was continuously pressed, and the squeezed sewage was discharged through the sewage pipe. To the sewage treatment plant, the secondary treatment is carried out, and the treated garbage becomes a dry fiber residue. Since the amount of residue is small and the utilization value is low, it is directly put into the garbage station and enters the landfill.
The technician Wang Yongbiao explained that after a pile of fruit and vegetable waste has been treated by the fruit and vegetable processing equipment, the final moisture content of the material is less than 53%, and the amount can be reduced by more than 85%, and the remaining residue is directly thrown into the trash can. The processing point began trial operation in early August this year, with a daily processing capacity of nearly 40 tons. “Based on the amount of garbage in the barrel, almost 10 barrels of garbage are disposed of.â€
The Futian Agricultural Batch Fruit and Vegetable Waste Treatment Center began to collect the fruits and vegetables residues in the agricultural market at 3 am every day, and ended at 8:00 in the morning. The garbage in the agricultural market was pulled by a whole vehicle to the fruit and vegetable processing point. Wang Yongbiao said that when it was not bright every day, the staff went into the agricultural market to collect fruit and vegetable waste and transported it back to the processing center to start sorting. The machine starts working at 8 am and works seven or eight hours a day.
Most of the fruit and vegetable waste in the Fukuda agricultural market is the residual fruits and vegetables that have been discarded due to crushing during transportation. At present, the fruit and vegetable waste produced in the agricultural batch market needs to be sorted twice to be placed in the processing equipment. The second sorting requires technicians to do it themselves. Because traders are always accustomed to put other garbage into the trash can, and do-it-yourself sorting can ensure that there is no other kind of garbage mixed in the trash can to ensure that it is all fruit and vegetable waste, so as to improve the efficiency of processing and processing of the equipment.
According to reports, at present, this machine handles a wide variety of fruits and vegetables, including cabbage, cabbage and other vegetables, such as apple, peach, grape and other fruit waste, and can also handle peanuts, rice, soybeans and other grains. Garbage can even handle meat waste such as minced meat, fish bones and broken bones.
Biogas generated after fruit and vegetable waste treatment can also generate electricity
It is understood that the fruit and vegetable waste treatment equipment is suitable for garbage generated in agricultural batch markets, fruit and vegetable production bases, etc., and the residues after comprehensive treatment are more easily transported and utilized. Its role is mainly reflected in four aspects, which can achieve waste reduction, high moisture content of fruits and vegetables, and reduce the amount of water after dehydration; it can also reduce the production of odor and reduce the amount of waste from fruits and vegetables. Through the crushing and pressing process, the water content of the garbage is greatly reduced, and the odor generated by the garbage fermentation is reduced to a large extent. At the same time, the leachate is reduced, and after the fruit and vegetable waste is pressed and dehydrated, most of the slurry is left in the transfer station for centralized treatment. It can improve the social and environmental benefits; finally, it can achieve the effect of resource utilization. The solid residue obtained after the treatment of fruit and vegetable waste can be used for secondary use, such as organic fertilizer substrate and biomass fuel, thereby realizing the recycling of fruit and vegetable waste and conserving resources. And energy.
For example, in the Longgang District Fruit and Vegetable Waste Treatment Point, the average daily processing capacity of the fruit and vegetable waste in the agricultural market in Longgang District is 90 tons. The final use of fruit and vegetable waste is slightly different from that used in the Futian Agricultural Market. Here, the fruit and vegetable waste is made into a slurry through a pretreatment system, and sent to an anaerobic fermentation system to generate biogas, wherein the biogas slurry is centrifugally dehydrated, and the sewage is sent to a sewage treatment station for treatment to discharge the standard, and the biogas residue is used for making the biogas fertilizer. The moisture content of the biogas residue is less than 80%, and the waste of fruit and vegetable waste is reduced by more than 90%. Among them, the biogas obtained after the treatment is used for power generation, and the biogas residue can be used for secondary use as an organic fertilizer, thereby realizing the resource utilization of fruit and vegetable waste, saving resources and energy.
Fruit and vegetable waste treatment has covered more than 290 farmer's market
At present, Shenzhen is establishing a recycling system for “fruit and vegetable waste†in the market. There are two main ways to recycle fruit and vegetable waste. One is to arrange a small processor to treat the fruit and vegetable waste produced by the farmer's market and its surrounding shopping malls and supermarkets, and to decompose the composted products for use in farm fruits and vegetables. Planting; another way is to include it in the kitchen garbage collection and handling system in the jurisdiction, such as the Pinghu Haijixing Agricultural Batch Market in Longgang District and the fruit and vegetable waste in the Buji Agricultural Market in Luohu District. In the first half of 2018, the city completed 21 fruit and vegetable waste disposal points, covering more than 290 agricultural approval markets and farmer's markets. The cumulative recycling of fruit and vegetable waste was 30,600 tons, with an average daily handling of 169 tons.
The second stop
Futian Agricultural Market Fruit and Vegetable Waste Treatment Center
Treatment target: fruit and vegetable waste
Treatment: press dehydration
Processing capacity: 169 tons / day
Stone of other mountains
Japan
In Japan, the treatment of fruit and vegetable waste is more commercialized. Some enterprises use the technology to make dyes and reuse them through special techniques to develop the secondary use value of fruit and vegetable waste. Some enterprises also collect discarded vegetables and make them with fresh garbage disposal machines. Fertilizers, then added directly to the vegetable seeds, the purchaser only needs to bury the seed bag directly into the soil to grow the fruit.
Australia
In Australia, companies convert fruits and vegetables into usable water, which produces up to 800 litres of water per ton of fruit. By collecting and filtering unwanted liquefied substances such as oranges, carrots, beetroots and olives, they end up with a fruity scented beverage and put it on the market.
Netherlands
In the Netherlands, “fruit leather†is made from the remaining fruits and vegetables in the food market, and rotten fruits and vegetables are made into extensible leather-like fabrics and are planned to be put on the market.
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