A method of domestic sewage and garbage collection and treatment based on decompression discharge technology

A technology for domestic sewage and garbage collection, applied in biological water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. Deal with high cost and high water content

Inactive Publication Date: 2011-12-21
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of the above sewage garbage collection and treatment methods include: (1) The water consumption is relatively large; due to the gravity discharge, the pollutants need to be washed with a large amount of water. Taking the toilet as an example, the current water consumption for flushing the toilet is about 6 liters; ( 2) The cost of sewage treatment is high, and it is difficult to recycle useful substances; all kinds of sewage are mixed together and discharged. In order to meet the requirements of discharge standards, they usually need to be treated by secondary biochemical and other sewage treatment processes. The cost of sewage treatment is high. The laundry and bathing sewage will dilute feces and kitchen waste, making it difficult to recycle useful substances su...

Method used

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  • A method of domestic sewage and garbage collection and treatment based on decompression discharge technology
  • A method of domestic sewage and garbage collection and treatment based on decompression discharge technology

Examples

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Effect test

Embodiment 1

[0022] Example 1: There are 30 households in a certain village, and 50 decompression toilets and 30 decompression waste collectors are installed. All decompression fronts are driven by a vacuum pump station (one vacuum pump is used and the other is standby), and the decompression black water is collected. The terminal is in the form of biogas fermentation, which has the functions of storage and biogas fermentation. The village selects a large farmer to operate and manage the system, and the electricity fee for the vacuum pump station is also borne by the large farmer. The generated biogas slurry and biogas residue are regularly discharged from the biogas tank for fertilization of the farmland of the large farmer, and the biogas generated Also for their family use. Each household collects and treats gray water separately, and the way of gray water treatment is to build artificial wetlands in private plots in front of and behind residential buildings. The method of the inventio...

Embodiment 2

[0023]Embodiment 2: There are 5,000 residents in a market town, and there are office buildings, schools, hospitals, restaurants and other service facilities, and there is no other industrial wastewater. A total of 30 decompression black water collection pumping stations and terminals have been set up in the market town, and an organic fertilizer plant has been built at the same time. The black water from each decompression black water collection terminal is regularly transported by tanker to the organic fertilizer plant for processing. The organic fertilizer factory also collects manure from nearby pig farms and chicken farms, and collects and processes some straw and other organic waste. The organic fertilizer factory mainly uses biogas fermentation and composting technology. The biogas produced is used by a public bathroom, and the liquid organic fertilizer and solid organic fertilizer produced are used by the adjacent 10,000-mu organic agricultural production base. Accord...

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Abstract

A method for collecting and treating domestic sewage and garbage based on decompression discharge technology, including a gray water collection front end, a gray water treatment unit, a decompression black water collection front end, a decompression black water collection pipeline system, a decompression black water collection terminal, For the black water transfer unit and the organic fertilizer plant, the gray water enters the gray water treatment unit through the front end of the collection, and is discharged or reused after being treated according to the requirements of the effluent water quality. The front section of the collection, the decompression black water collection pipeline system enters the decompression black water collection terminal, enters the organic fertilizer plant through the black water transfer unit, and becomes organic fertilizer through the treatment of the organic fertilizer plant for use in the planting industry.

Description

1. Technical field [0001] The invention belongs to the technical category of sewage garbage collection and treatment, and in particular relates to a method for separately collecting and treating sewage generated in daily life such as laundry and bathing, feces, kitchen waste and the like by using a decompression discharge technology. 2. Technical background [0002] Common domestic sewage waste is usually collected and treated separately. The collection of domestic sewage is based on the principle of gravity discharge. All kinds of sewage are mixed together and enter the sewer system. After pretreatment in the septic tank, they are lifted into the sewage treatment plant through pumping stations for treatment. The septic tank sediment needs to be cleaned out regularly. Domestic waste is basically collected and transported manually, and then disposed of through harmless means such as landfill and incineration. The main disadvantages of the above sewage garbage collection and ...

Claims

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Application Information

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IPC IPC(8): C05F15/00C02F3/32C02F3/34C02F3/12C02F9/14C12M1/107
CPCY02E50/343Y02E50/30Y02W10/10Y02W30/40
Inventor 范彬
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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