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Kitchen garbage pyrohydrolysis device and method

A kitchen waste and thermal hydrolysis technology, which is applied to chemical instruments and methods, transportation and packaging, and solid waste removal, can solve the problems of low steam recycling rate, high hidden dangers in production safety, and low waste disposal efficiency. Achieve the effects of improving production efficiency, facilitating automated production, and overcoming sequential batch production

Pending Publication Date: 2022-05-31
北京洁绿环境科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This production method has cumbersome control procedures, low steam recovery utilization rate, high safety hazards, intermittent sequence batch production mode, and low waste disposal efficiency

Method used

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  • Kitchen garbage pyrohydrolysis device and method

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Effect test

Embodiment approach

[0040] According to an embodiment of the present invention, the device further includes a balance tank, the balance tank includes two air inlets, the two air inlets are respectively opened to the feed balance section and the discharge balance section The balance tank is a steel pressure vessel, the balance tank is provided with a pressure relief port, and the pressure in the tank rises after being connected with the feed and discharge balance sections, and the pressure is released to normal through the pressure relief port before the next connection. pressure; preferably, the volume of the balance tank is 10 times or more the volume of the feed balance section.

[0041] According to an embodiment of the present invention, the feed balance section is connected to the feed port of the thermal hydrolysis tank through a first on-off valve; the feed balance section is connected to the thermal hydrolysis tank through a first stop valve connection, the first shut-off valve is configu...

Embodiment

[0088] The materials, reagents, etc. used in the following examples can be obtained from commercial sources unless otherwise specified.

[0089] example figure 1 As shown, a kitchen waste continuous thermal hydrolysis device provided by the present invention includes a feed conveyor 1, a feed storage section 6, a feed balance section 7, a horizontal thermal hydrolysis tank 11, an outlet Material balance section 13, material discharge storage section 15, discharge conveyor 17 and balance tank 4.

[0090] A screw conveying device is provided inside the horizontal thermal hydrolysis tank 11 . The top of the horizontal thermal hydrolysis tank 11 is provided with a feed port and a communication port communicating with the feed storage section 6 and the feed balance section 7 . The bottom of the horizontal thermal hydrolysis tank 11 is provided with several discharge ports and steam inlets 12 . The conveying channel from the feed conveyor 1 to the feed port of the horizontal ther...

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Abstract

The invention relates to a kitchen garbage thermal hydrolysis device and method. The device comprises a feeding balance section which is configured to receive materials and control the pressure in the feeding balance section to be a required value; a feeding port of the pyrohydrolysis tank is in on-off controllable connection with the feeding balance section, a discharging port of the pyrohydrolysis tank is in on-off controllable connection with the discharging balance section, and the pyrohydrolysis tank is configured to perform constant-pressure pyrolysis work; and the discharging balance section is configured to receive the pyrolyzed materials in the pyrohydrolysis tank and can control the pressure in the discharging balance section to be a required value. According to the scheme, the garbage can be pretreated in a continuous thermal hydrolysis mode, the defects of sequencing batch production are overcome, automatic production is facilitated, and the production efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of solid waste treatment, in particular to a kitchen waste thermal hydrolysis device and method. Background technique [0002] Kitchen waste is an important part of domestic waste, including food residues generated in residents' lives and fruit and vegetable waste from farmers' markets. Kitchen waste has the characteristics of high moisture content, high organic matter content, high salt content and easy corruption. It contains a large number of pathogenic microorganisms such as Salmonella and Staphylococcus aureus, and also breeds pests such as flies and mosquitoes, which seriously affects the health of residents. and environmental hygiene. Then kitchen waste is rich in organic matter and has great potential for resource utilization. The resource utilization of kitchen waste is not only an important way to improve the recycling rate of domestic waste in my country, but also an important way to assist my c...

Claims

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Application Information

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IPC IPC(8): B09B3/40B09B101/70
Inventor 陆鹏赵凤秋蒋宝辉王昆明吴福祥居玉坤苏迎于海龙刘欢贾志刚
Owner 北京洁绿环境科技股份有限公司
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