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How to deal with kitchen waste? Lazy people can contribute too!
Jan 25,2022
How much garbage do we produce every year? According to relevant data, in 2016, the amount of domestic garbage generated in large and medium-sized cities in my country was 188.505 million tons, and in 2019, the amount of domestic garbage generated increased to 235.602 million tons. It is estimated that in 2021, the output of domestic waste in my country will be 270.972 million tons. Compared with other countries, kitchen waste is the largest component of urban domestic waste in my country, including food waste, paper, metal, bone, wood, fabric, plastic and grease, accounting for 59%. With the enrichment of diet, the proportion of kitchen waste will be more in the future. However, compared to plastic, which accounts for only 12.1% of domestic waste and contributes 52% of electricity generation, kitchen waste does not contribute much.
The reason is that landfill is still the main method of garbage disposal in my country. As the bulk of kitchen waste, the food part accounts for 70%-90%, the moisture content accounts for more than 70%, the oil content accounts for 1%-5%, the organic matter accounts for more than 80% of the dry matter content, and crude protein accounts for about 15% of the dry matter content. %, the carbon-nitrogen ratio is generally (10:1)-(30:1). It can be seen from the data that the main characteristics of kitchen waste are that it is rich in organic matter, high in moisture content, and perishable. It is not only easy to grow pathogenic microorganisms, mycotoxins and other harmful substances. If the kitchen waste without any treatment is directly landfilled, In the process of landfilling, odor and methane or leachate are also produced to pollute the groundwater.
It is for this reason that on December 17, the National Development and Reform Commission issued the "Anti-Food Waste Work Plan". In addition to promoting food conservation, it is also required to promote the utilization of kitchen waste as a resource. For example, enterprises research and develop resource conversion technology, and relevant departments establish kitchen waste collection, delivery, and transportation systems. But the responsibility lies with everyone. Although we cannot prevent kitchen waste from entering the landfill, the small household appliances under the kitchen, the kitchen waste disposer, can do it.
In the past, the kitchen was equipped with a trash can. If one day because of slack and not throwing out the trash, the trash can will definitely emit an unpleasant odor. Especially in hot summer, if you don't take out the garbage for a day or two, it will not only produce a sour smell, but also attract small flying insects and breed bacteria. Moreover, the complexity of the garbage classification implemented has repeatedly driven many young people crazy, and the kitchen waste disposer can be installed under the kitchen sink. We pour the kitchen waste into the feeding port, and the stainless steel grinder can Through the high-speed rotation of the electrode, the food waste in the crushing chamber is crushed by the continuous impact and cutting of the cutter disc, and then discharged into the sewer. When running, turn on the faucet. When the garbage is ground into very small particles, it will be easily washed away by water.
The reason why many people struggle with whether to install a garbage disposal is because they are worried that it will waste water resources. But in fact, the amount of water consumed by the garbage disposal when running is only about one percent of the total household water consumption, which is about the same as the water used to flush the toilet once. Moreover, the garbage disposer goes down the sewer. After crushing the kitchen waste or spoiled food, they will be washed away by the water flow and sent to the wastewater treatment plant for treatment. The wastewater will be converted into clean water or fertilizer, and the moisture content of the food will also be Recaptured and processed in wastewater treatment plants, we are virtually contributing to the protection of the environment.
Moreover, with the advancement of the garbage classification policy, more and more brands have entered the garbage disposal, and its functions are also more abundant and intelligent.
For example, the entry-level garbage disposer can only be turned on manually after we pour the garbage into the grinding chamber. In some cases, we even have to stand next to it to supervise, watch it finish its work, and then manually shut down before we can rest assured. Today, some smart garbage disposals launched by enterprises have the function of automatic switching on and off. It has a built-in intelligent load detection chip, which can judge whether the grinding has been completed according to the garbage state in the grinding chamber, and avoid the waste of water and electricity due to late shutdown, save water and electricity, and the intelligent shutdown is also convenient for our use.
Of course, along with the switch, there is also automatic water control. In this regard, two technologies have been derived. One is to use a water supply device that can be connected to a faucet. It can sense the faucet and automatically discharge water when the garbage disposal is turned on. After the machine is automatically shut down, it will continue to flush the interior for a few seconds, and automatically Stop water supply. The other is to use a solenoid valve to connect a water pipe separated from the kitchen water pipe, and the other end is connected to the grinding chamber, so that after the machine is powered on, the motor runs and the water is automatically supplied. After the machine stops, the water supply will also be stopped synchronously. .
All in all, the current garbage disposal can basically achieve safe, convenient and easy cleaning. If you also want to make your own contribution to protecting the environment and disposing of kitchen waste, it is better to install a kitchen waste disposer. This may be "Technology changes life, lazy people save the world".
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