Method for septic tank desilting

Abstract

The invention discloses a method for septic tank desilting. According to the method for septic tank desilting, a special vehicle used for septic tank desilting or / and a moveable container is / are utilized, the caking dirt in liquid dung in a septic tank is crushed in the vicinity of the toilet septic tank, desilting is conducted on the septic tank, the liquid dung is subjected to purification up-to-standard treatment and on-site discharging, solid faeces dirt separated from the liquid dung is collected or stored and transported, and harmless treatment and resource utilization of the septic tank are implemented.

Description

technical field [0001] The invention relates to a method for desilting a septic tank; specifically, a special vehicle equipped with a septic tank desilting equipment and / or a mobile container equipped with a septic tank desilting equipment are used to transport the septic tank The process of crushing solid waste in the tank, purifying wastewater, separating solid and liquid, removing or collecting solid waste in the septic tank, and continuously dredging the dung water in the septic tank belongs to the field of environmental protection technology; Background technique [0002] At present, residential quarters in cities and towns in China are equipped with public toilets and septic tanks. The surface of the feces in the septic tanks often agglomerates. At present, the feces in the septic tanks of public toilets in large and medium-sized cities mainly rely on traditional fecal suction trucks with only a single transportation function to regularly pump out the feces and transpo...

AI Technical Summary

Problems solved by technology

[0002] At present, residential quarters in cities and towns in China are equipped with public toilets and septic tanks. The surface of the feces in the septic tanks often agglomerates. At present, the feces in the septic tanks of public toilets in large and medium-sized cities mainly rely on traditional fecal suction trucks with only a single transportation function to regularly pump out the feces and transport the feces to the outskirts of the city for sewage treatment. If the solid feces are separated from the feces, the percentage of organic matter in the feces can be effectively reduced, which is conducive to reducing the cost of sewage treatment plants for the purification of feces; many urban and rural toilet septic tanks are The excrement and suction trucks do not treat the excrement water after collection, but transport it to remote pits for landfill or discharge anywhere, which seriously pollutes the environment; the excrement water contains a large number of parasites, germs, and harmful substances, and the odor pollutes the environment, especially , feces produce odor and "running, ground, and leakage" phenomena during transportation, causing serious pollution to the environment; transporting urban manure to sewage treatment plants on the outskirts of the city will increase a lot of transportation costs; especially , collect solid human manure in septic tanks and transform them into high-quality pollution-free organic fertilizer products, develop vegetable or crop planting in ecological agriculture, reduce the market supply of synthetic fertilizers, promote and strengthen ecological vegetable planting or ecological agriculture It is of great significance to improve the economic benefits of toilet septic tank treatment;

[0003] There have been many reports on the car for manure water treatment, and the inventor disclosed in the authorized announcement number CN203438914U "Integrated Manure Water Purification and Treatment Car" that "separate the feces solids and waste water in the manure water and adopt the aerobic MBR process The biochemical treatment method has three functions such as waste water purification standard treatment and excrement storage and transportation; the practice shows that there are the following problems: first, the equipment investment of the solid-liquid separation method of the screw-propelled screen filter is large, the equipment occupies a large space, and the equipment Heavy, separated or collected solid waste (such as paper, cloth, sanitary napkins, etc.) needs to be transported to the landfill for secondary treatment, and the treatment cost is high; the second is the purification treatment of feces It needs to carry out aerobic biochemical treatment (BMR process) in the range of 20-30 ℃. The purification treatment of manure takes a long time, especially in the cold winter season when the atmospheric temperature is low, the effect of biochemical treatment of manure purification is poor, and a large amount of heat needs to be supplemented. ,high cost;

[0004] In CN 202865093 U "Multifunctional Waste Quick Treatment Machine", CN 102674592 B "Full Automatic Sewage, Sludge, Excrement Rapid Treatment System", and CN201593015U "Vehicle-mounted Septic Tank Waste Recovery and Treatment Device", it is disclosed that the use of rotating The advanced filter drum equipment filters or separates solid-liquid solids from the collected dung water. The filter drum equipment has a large volume, a large floor space and a large space, and the equipment is heavy; especially for the separated or collected solid dirt. (such as paper, cloth, sanitary napkins, etc.) cannot be directly used as fertilizer, and need to be transported to the landfill for secondary treatment, which increases the comprehensive cost and equipment investment of septic tank purification treatment;

[0005] By searching and consulting a large number of documents, magazines, books, CDs, patents, ... and other materials at home and abroad, it has not been found at home and abroad that the use of "a special vehicle for septic tank dredging and / or "Mobile cargo box" to break the agglomerated solid dirt (such as paper, cloth, sanitary napkins, lumpy dirt... etc.) in the septic tank of the toilet Carry out solid-liquid separation, remove solid pollution in dung water, collect or store and transport solid fecal waste separated from dung water, purify and meet standards for the separated dung water, and report on on-site discharge;

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