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Comprehensive pretreatment process for food waste and kitchen waste oil

A technology for catering waste and waste oil, which is applied in the recovery of fat oil/fatty acid from waste, recycling technology, and fat production, which can solve problems such as non-compliance with environmental protection concepts

Pending Publication Date: 2021-04-23
ZHENGZHOU YUNDA PAPER EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method does not conform to the concept of environmental protection under the new situation of resource utilization and harmlessness

Method used

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  • Comprehensive pretreatment process for food waste and kitchen waste oil

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Embodiment

[0052] Such as figure 1 As shown, a comprehensive pretreatment process for catering waste and kitchen waste oil, at least including the following process sections in airtight connection: material receiving and separation section, pulping section, pulp and impurity separation section, temperature adjustment and mixing section, three-phase separation section and Oil storage section.

[0053] Receiving and separating section:

[0054] A. Eliminate non-organic impurities and clean them before shipping;

[0055] Large pieces of non-organic debris are removed from the food waste and kitchen waste oil respectively, and the removed large pieces of non-organic debris are transported to the debris cleaning device, and the large pieces of non-organic debris are transported out after cleaning by the debris cleaning device.

[0056] Catering garbage is loaded from the feed port I of the 1# receiving bin, and the 1# receiving bin removes large non-organic debris first, and the removed lar...

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Abstract

The invention discloses a comprehensive pretreatment process for food waste and kitchen waste oil, which at least comprises the following process sections in closed connection: a received material separation section, a pulping section, a pulp impurity separation section, a temperature regulating and mixing section, a three-phase separation section and an oil storage section. By means of sufficient pressure pulping on solid substances and separation of non-organic impurities, organic matters are prevented from going out along with impurities, so that the outward transportation amount of the impurities is reduced. In addition, grease is easier to separate, and the grease extraction rate is increased. Chopping is not conducted in the whole process, so that non-organic matters are prevented from entering an anaerobic fermentation system in a fine manner. By means of comprehensive treatment of mutual cooperation and coexistence of the food waste and the kitchen waste oil, a pressure pulping machine, a pulp-impurity separator, a water-slag mixing tank and an industrial oil storage tank are shared, investment can be effectively reduced, the process is simplified, energy is complementarily used, resourceful treatment is better achieved, and economic, social and environmental comprehensive benefits are obtained.

Description

technical field [0001] The invention belongs to the technical field of domestic garbage treatment, and in particular relates to a comprehensive pretreatment process for dining garbage and kitchen waste oil. Background technique [0002] Catering waste refers to leftovers from restaurants, canteens and other catering industries. Its components are complex, mainly consisting of oil, water, fruit peels, vegetable leaves, rice noodles, fish, meat, bones, waste tableware, plastics, paper towels and other substances. . Kitchen waste oil mainly refers to the grease traps that come from restaurants, canteens and other catering industries, and its components are mainly grease and leftovers. Catering waste and kitchen waste oil are characterized by being extremely perishable and deteriorating, giving off foul odors, spreading bacteria and viruses, and containing various carcinogens and other harmful substances. These wastes have now clearly stipulated that it is strictly forbidden t...

Claims

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Application Information

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IPC IPC(8): C11B13/00
CPCY02W30/74
Inventor 许银川刘振中许超峰许要锋
Owner ZHENGZHOU YUNDA PAPER EQUIP
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