CN111333292A - Rural excrement recovery ecological integrated treatment method - Google Patents
Rural excrement recovery ecological integrated treatment method Download PDFInfo
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- CN111333292A CN111333292A CN201911281717.7A CN201911281717A CN111333292A CN 111333292 A CN111333292 A CN 111333292A CN 201911281717 A CN201911281717 A CN 201911281717A CN 111333292 A CN111333292 A CN 111333292A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K11/00—Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/005—Black water originating from toilets
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The ecological integrated recovery and treatment method of the rural excrement comprises the following steps: (1) collecting excrement from each household in rural areas and concentrating the excrement into a village public toilet transformed into a standardized treatment substation, (2) carrying out solid-liquid separation in the treatment substation, carrying out liquid flocculation on the separated liquid, carrying out biochemical conversion on the excrement by using the separated solid and liquid flocculated precipitate, carrying out biological treatment on the excrement, and purifying and discharging the liquid after flocculation treatment; (3) concentrating the solid products after biochemical conversion into a total processing center for processing feed additives and organic fertilizer products, and purifying and discharging liquid products; (4) and (4) performing seed worm culture and functional strain culture required by biological treatment in the main treatment center. The feces and sewage ecological integrated solution can be called as the 'toilet revolution' of rural dry toilets, not only can solve the problem of environmental pollution, but also can make full use of resources, effectively changes the existing waste treatment mode and realizes sustainable utilization of resources.
Description
Technical Field
The invention relates to a method for treating feces in rural toilets, belonging to the field of ecological environment.
Background
In addition to the material demand, people are increasingly pursuing a situation where people and nature coexist harmoniously, and the harmony and balance are broken by environmental pollution and ecological destruction. Besides the accepted industrial production of the largest pollution source, the proportion of human domestic garbage and excrement pollution is increased year by year, and if effective measures are not taken for comprehensive treatment, the living space of human beings is directly aggravated.
Especially in rural environment, due to the limited economic level and the limited conditions, no matter the family or public toilet is mainly dry toilet at present, taking a typical Beijing suburb village and town as an example, 10000 users of resident population account for more than 2 ten thousand, if each person excretes 1.5kg of excrement every day, the excrement produced in one day is about 30 tons. On the one hand, it causes considerable pressure on the environment and on the other hand it is a waste of resources. In addition, fecal pollution caused by the breeding industry needs to be solved urgently.
But at present, the treatment of the toilet and the breeding manure is only the development of individual technology, and has no feasible scheme aiming at the systematization of the actual environment in rural areas, and the efficiency and the benefit are both low, for example, the biological fertilizer conversion of the manure is influenced by the conditions and weather, such as the freezing in winter, and the treatment scale is limited; the methane conversion which is developed as a key point for many years is complex in technology, and the product is not combustible and safe, so that the method is not beneficial to popularization. There is therefore currently no way to form a scalable and sustainable industrial chain.
Disclosure of Invention
In order to solve the problems, the invention aims at the problem of biotransformation of domestic waste and excrement, develops and utilizes the waste as a resource, aims to realize zero emission of the waste, has long-term strategic significance on ecological protection and development and utilization of biomass energy, is very suitable for the current situation of domestic and rural areas at present, and is beneficial to popularization and development.
The technical scheme of the invention is as follows:
the rural excrement and sewage ecological integrated recovery treatment method is characterized by comprising the following steps:
(1) collecting the excrement from each household or farm in the countryside and concentrating the excrement to a village public toilet transformed into a standardized treatment substation,
(2) carrying out solid-liquid separation in the treatment substation, carrying out liquid flocculation on the separated liquid, carrying out biochemical conversion on the excrement by using the separated solid and the precipitate of the liquid flocculation together, carrying out biological treatment on the excrement, and purifying and discharging the liquid after the flocculation treatment;
(3) concentrating the solid products after biochemical conversion into a total processing center for processing feed additives and organic fertilizer products, and purifying and discharging liquid products;
(4) and (4) performing seed worm culture and functional strain culture required by biological treatment in the main treatment center.
The dry toilet is preferably transformed into an automatic packing toilet for every family in rural areas, excrement at each time is automatically packed and stored through a storage bag, then the excrement is put into a storage box, and the excrement is regularly collected and collected to the public toilet.
It is further preferred that the toilet is a portable toilet.
Preferably, the rural dry latrine is subjected to hydration transformation, a hot water system is arranged, and hot water is used for flushing and collecting in winter.
Preferably, the septic tank is added with deodorant biological bacteria for deodorization.
The preferred seed insect for biological treatment is water .
It is further preferred that said water matures into pupae during the biochemical conversion of feces, and said pupae are collectively transported to a general processing center for post-baking, dry-crushing and processing into animal protein feed supplement.
The preferable functional strain used for the biological treatment is a microbial original inoculum formed by compounding one or more microorganisms with strong decomposability in the genera of acetobacter, escherichia coli, thiopasteuria, lactobacillus, micrococcus, flavobacterium, saccharomyces, albur, nitrobacter, nitrosobacteria, photosynthetic bacteria and the like. The domestication and amplification of the microorganism can be further carried out.
Preferably, a built-in electromagnetic heating device may be used in the substation and the hot water system, and includes a circulation liquid container, an electromagnetic heating coil and a power supply line, the circulation liquid container has a through hole penetrating through the pipeline and is formed into a container of a sealed structure after penetrating through the pipeline, and circulation liquid is stored in the circulation liquid container, the electromagnetic heating coil is built in the circulation liquid container and is wound around an outer surface of the pipeline positioned at an inner portion of the circulation liquid container, the electromagnetic heating coil is connected to the power supply line, circulation liquid in the circulation liquid container is communicated and isolated from circulation liquid in the pipeline through on-off control, and the electromagnetic heating coil heats circulation liquid in the pipeline and directly or indirectly heats circulation liquid stored in the circulation liquid container.
The invention has the following technical effects:
the feces and sewage ecological integrated solution can be called as the 'toilet revolution' of rural dry toilets, not only can solve the problem of environmental pollution, but also can make full use of resources, effectively changes the existing waste treatment mode, solves the pollution problem in the agricultural production and development by means of circular economy, changes waste into valuable, produces high-quality animal high-protein feed and multifunctional microbial fertilizer, realizes the sustainable utilization of resources, removes the negative influence of feces accumulation on the livestock breeding industry, enables the animal breeding industry to enter a good cycle, continuously creates value, and more powerfully promotes the development of social economy.
The invention creatively establishes a treatment substation in a local area, such as a public toilet in each village, firstly preliminarily concentrates the excrement of each household or farm into the public toilet, and then carries out solid-liquid separation and biological treatment on the excrement. The conversion of wastes by using lower animals gradually becomes a trend in recent years, the conversion rate of livestock and poultry manure is up to more than 70 percent by using beneficial insects, and the beneficial insects can partially replace fish meal to be used as protein feed for aquaculture or livestock breeding. A large number of studies prove that the technology has low cost and good effect, and passes strict animal feed tests and safety tests. The invention realizes biochemical transformation by using organisms such as water and various microorganisms, then concentrates the treated materials to a total treatment center arranged in a town, for example, pupas after the manure is matured are prepared into animal protein feed additives in the total treatment center, and the other about 30 percent of residues become organic fertilizers for further sale to realize commodity income. In addition, the master station also carries out uniform seed worm culture and strain culture, the cultured worm boxes and strains are distributed to the substations, and the worm pupas and the treatment residues which are mature in the substations are returned to the master station for treatment, so that circulation is formed. The invention forms an ecological treatment chain for dry toilets of farmers, public toilet substations in local areas and main stations in large areas, improves the efficiency, reduces the treatment cost and is convenient to popularize. Wherein the treatment technology adopts the existing mature technology.
The dry latrine of each household can still be the current mode, but for convenience of concentration, the dry latrine of each household can be preferably subjected to drought chemical treatment or hydration treatment.
Drought ization is direct processing promptly, reforms transform peasant household's lavatory into the toilet to set up to arrange the excrement at every turn and accomodate through accomodating the bag, can adopt automatic packing closestool, the disposal bag is opened when sitting down, and the encapsulation of getting up after one's life uses the closestool to beat once and wraps, then puts into and accomodates the case, regularly collects the public lavatory substation of concentrating on every village. Further preferably, the movable toilet can be reformed into a movable toilet, and is more suitable for the conditions of the old in rural areas.
Hydration is still collected for current dry latrine, but aiming at the condition that the treatment chain is interrupted because the rural latrine in the north is easy to freeze and can not be collected, each household is provided with a solar device for saving electric energy, and hot water is collected after being flushed by hot water each time or is pumped when excrement is pumped. Further preferably, in order to prevent odor diffusion caused by hot water washing, biological bacteria can be added for deodorization, and in addition, the deodorant can be used for deodorization in summer.
In addition, when the current public latrine branch station is reformed transform, need increase the septic tank and be used for holding concentrated excrement to and set up solar heating device, be used for preventing to freeze the processing chain that causes and break off winter equally, guarantee to handle the temperature of environment. It is particularly preferred to utilize the electromagnetic heating system of the previously issued patent (patent No. ZL 201510890713.4). An important brake for various developments in rural areas at the present stage is that the electric load is insufficient, and is limited by the economic development of rural areas, the electric load of each rural area is very limited, for example, if an air source heat pump which is widely applied at present is utilized, the electric power capacity increase must be carried out by reporting to the upper administrative department. The load reporting and capacity increasing in villages not only consumes time and labor, but also needs a large amount of funds, and the ordinary natural villages cannot easily bear the load. The photomagnetic heating solar system can perfectly realize the public toilet reconstruction task under the current stage electric load due to low power consumption, and provides enough heat source for the treatment of feces in winter.
In conclusion, the invention carries out the 'toilet revolution' in rural areas, and forms an ecological treatment chain by establishing a uniformly planned collection treatment branch plant and a rural-township treatment main plant which take a rural public toilet as a center, so that the 'rural toilet construction standardization, management standardization, operation and maintenance marketization' can be realized, the environmental pollution problem can be solved, the resources can be fully utilized, the existing waste treatment mode can be effectively transformed, the pollution problem in agricultural production and development is solved by means of circular economy, waste is changed into wealth, high-quality animal high-protein feed and multifunctional microbial fertilizer are produced, the sustainable utilization of the resources is realized, the negative influence of excrement accumulation on the ecological environment is eliminated, the ecological environment is enabled to enter a virtuous circle, the value is continuously created, and the development of social economy is more powerfully promoted.
Drawings
FIG. 1 is a flow chart of a method of an embodiment of the present invention;
FIG. 2 is a diagram illustrating a distribution example of a public toilet treatment substation;
FIG. 3 is a schematic structural diagram of a built-in electromagnetic heating furnace according to an embodiment of the present invention.
Detailed Description
For a better understanding of the present invention, the following further explains the present invention in conjunction with the embodiments and the accompanying drawings.
Examples
The embodiment is a trial point of a rural toilet feces ecological integrated recovery treatment method performed in a big Chinese town in a valley region, as shown in fig. 1, and comprises the following steps:
(1) collecting feces from dry latrine of peasant households in a natural village in a town, concentrating the feces into a village-level public latrine transformed into a standardized treatment substation,
Wherein, carry out the drought transformation to the drought lavatory, set up to automatic packing closestool, carry out automatic packing through accomodating the bag with excrement at every turn and accomodate, then put into the containing box, collect the car through unified environmental protection and regularly carry out odorless and collect and transport public lavatory realizes tasteless collection. Preferably, the automatic packing closestool can be set as a movable closestool convenient for the old people to use according to the requirement.
According to the desire of farmers, the original dry latrine can be still adopted, but the electromagnetic heating system is provided for facilitating hot water flushing and recycling when the dry latrine is frozen in winter.
The village-level public toilet is reformed as shown in figure 2, and comprises a septic tank with an enlarged toilet area and an ecological treatment area, wherein the ecological treatment area comprises a solid tank and a liquid tank.
(2) Carrying out solid-liquid separation in a septic tank of the public toilet, carrying out liquid flocculation on the separated liquid in a liquid tank, carrying out biochemical conversion on excrement in a solid tank by using flocculated sediment of the separated solid and the liquid, wherein the biochemical conversion on the excrement is carried out by treating with water , and purifying and discharging the liquid after the flocculation treatment;
the electromagnetic heating system is adopted to provide a heat-preservation heating and water heating system for the whole process of a treatment plant, so that the public toilet reaches the standards of four-season use, hot water supply, cleanness and sanitation.
(3) And (3) concentrating the solid products after biochemical conversion into a total processing center for processing feed additives and organic fertilizer products, wherein the water is matured into pupas in the biochemical conversion process of excrement, the pupas are conveyed to the total processing center in a centralized manner and then dried and crushed to be processed into animal protein feed additives, about 30 percent of other residues become organic fertilizers, and the liquid products are purified and discharged.
(4) And (4) performing seed worm culture and functional strain culture required by biological treatment in the main treatment center.
Wherein, the biochemical treatment, the water , the culture of microorganism and other single technologies are all the existing mature technologies.
The deodorization biological bacteria added into the rural toilet manure pit can be lactobacillus and Streptococcus thermophilus.
The functional strain used in the biological treatment can be a microbial original inoculum formed by compounding one or more microorganisms with strong decomposability in the genera of acetobacter, escherichia coli, thiopasteuria, lactobacillus, micrococcus, flavobacterium, saccharomyces, albur, nitrobacter, nitrosobacteria, photosynthetic bacteria and the like. The domestication and amplification of the microorganism can be further carried out.
The electromagnetic heating system adopts a built-in electromagnetic heating device, as shown in fig. 3, which is used for heating circulating liquid in a pipeline, and comprises a circulating liquid container 14, an electromagnetic heating coil 13 and a power supply line 16, wherein the circulating liquid container 14 adopts a heat-insulating tank body with a single-layer sealing structure, a single-layer or double-layer shape structure which is suitable for the practical application and space can be selected, stainless steel materials or other rigid materials meeting the GMP standard requirements are generally adopted, the outer surface of the heat-insulating tank body can be coated with heat-insulating materials, the circulating liquid container 14 is provided with a through hole penetrating through the pipeline 5, the circulating liquid container 14 forms the heat-insulating tank body with a sealing structure after penetrating through the pipeline 5, circulating liquid is stored in the circulating liquid container 14, the electromagnetic heating coil 13 is built in the circulating liquid container 14 and is wound on the outer surface of the pipeline 5 positioned at the inner part of the, the electromagnetic heating coil 13 is connected with the power line 5, the power line 16 is led out of the circulating liquid container 14, and the current provided by the power storage and generation manager is externally connected. The electromagnetic heating device is communicated with a common waterway system or a radiator and the like for use.
The 'toilet revolution' test scheme in the Dahuashan embodiment obtains a set of feasible and effective technologies, the primary products are produced by the branch plants through the establishment of the uniformly planned collection and treatment with village public toilets as the center, the high-end products which can be sold are produced by the rural-scale treatment main plants, an ecological treatment chain is formed, and the organic combination of beneficial insect culture and microbial fermentation is realized. The method can solve the problems of high risk, time and energy consumption, long period, large occupied area and low relative output in the current fecal treatment, can increase the production added value of animal husbandry, and deeply excavates the modern breeding industry. The method brings great social and economic benefits to agricultural sustainable development, agricultural product yield and quality improvement and environmental pollution treatment in China.
Benefit analysis of this embodiment:
the development of novel animal protein feed can relieve the shortage of current protein resources and improve the utilization quality of the protein resources; the development of the biological fertilizer is a strategic demand for guaranteeing the food safety in China, is an effective way for improving the agricultural ecological environment in China and promoting the sustainable development of agriculture, is a requirement for improving the international competitiveness of agricultural products and promoting the international trade development in China, can solve a plurality of negative effects caused by the long-term use of the chemical fertilizer, such as environmental pollution, soil degradation, agricultural product quality reduction and the like, can solve the problems of environmental pollution and food pollution, can greatly improve the competitiveness of agricultural products in the international market in China, and is an effective way and a method for getting rid of the export dilemma of agricultural products in China. The market prospect of the development and application of the technology and the complete equipment is not self-evident, and must bring profound social significance. The method for producing the high-protein feed and the microbial fertilizer by using the livestock and poultry manure as the main raw material has the advantages of low cost, good effect, high safety and strong economic feasibility.
High-quality animal high-protein feed and multifunctional microbial fertilizer are produced by using insect transformed excrement, so that the sustainable utilization of environment and resources is realized, and the economic benefit is considerable. Every 1000 tons of excrement is converted, the conversion rate is 50%, 500 tons of insects can be produced, the nymph is 70% in water content, 150 tons of insect powder can be produced, the crude protein content of the insect powder is about 65%, and the fat content is 10-12%. Comparing the market sale price of the imported fish meal of 8000 yuan/ton, the sale price of the insect protein per ton is calculated to be about 5000 yuan, and after 1000 tons of excrement are converted into the insect protein, the sale income is 75 ten thousand yuan. By means of the residual 50% of the residues after insect conversion, and by means of phosphate and potassium dissolving and growth promoting microbial fermentation, about 400 tons of multifunctional microbial fertilizer can be obtained, and according to the biological fertilizer of 1000 yuan/ton, 40 ten thousand yuan can be obtained. If 1000 tons of excrement are integrally converted, 115 ten thousand yuan of economic benefit can be obtained.
In the biotransformation process, the drying procedure is reduced, the production line combination technology of insects and microorganisms is utilized, the labor input is reduced, the heat energy generated in the fermentation process can be utilized to provide the growth requirement of insects, the cost for treating 1000 tons of excrement is 30 ten thousand yuan calculated according to the 300 yuan of the cost for comprehensively treating each ton of excrement, the profit can be obtained by 85 ten thousand yuan, and the comprehensive economic benefit is higher than that of the traditional treatment mode.
According to the incomplete statistics of big huashan towns, 10000 residents account for more than 2 million people in total, if each person excretes 1.5kg of excrement every day, the quantity of excrement generated in one day is about 30 tons, after the ecological integration solution is adopted, the possible benefit generated every day is about 3.4 ten thousand yuan calculated according to the single natural village test point scheme of the embodiment, and the economic benefit of more than 1200 ten thousand yuan can be realized all year round.
Claims (10)
1. The rural excrement and sewage ecological integrated recovery treatment method is characterized by comprising the following steps:
(1) collecting the excrement from households or farms in rural areas and concentrating the excrement into village public toilets transformed into standard treatment substations,
(2) carrying out solid-liquid separation in the treatment substation, carrying out liquid flocculation on the separated liquid, carrying out biochemical conversion on excrement by using the flocculated precipitate of the separated solid and the liquid, carrying out biological treatment on the excrement, and purifying and discharging the liquid after the flocculation treatment;
(3) concentrating the solid products after biochemical conversion into a total processing center for processing feed additives and organic fertilizer products, and purifying and discharging liquid products;
(4) and (4) performing seed worm culture and functional strain culture required by biological treatment in the main treatment center.
2. The method of claim 1, wherein the dry toilet in each household in the countryside is transformed into an automatic packing toilet, and the excrement is automatically packed and stored in a storage bag, and then is put into a storage box and is periodically collected and collected to the public toilet.
3. The method of claim 2, wherein the toilet is a portable toilet.
4. The method according to claim 1, wherein the rural dry latrine is subjected to hydration transformation, a hot water system is arranged, and hot water is used for flushing and collecting in winter.
5. The method of claim 4, wherein the septic tank is deodorized by adding a deodorizing bio-fungus.
6. The method of claim 1, wherein the seed insect used in the biological treatment is water .
7. The method of claim 6, wherein said water is matured into pupae during fecal biochemical conversion, said pupae are collectively transported to a central processing center and processed into animal protein feed supplement by drying, crushing.
8. The method according to claim 1, wherein the biological treatment employs one or more functional strains selected from the group consisting of Acetobacter, Escherichia, Thiobacillus, Lactobacillus, Micrococcus, Flavobacterium, Saccharomyces, albothionibacterium, Nitrosum, and photosynthetic bacteria.
9. The method according to claim 1, wherein a built-in electromagnetic heating device is used in the substation, and comprises a circulation liquid container, an electromagnetic heating coil and a power supply line, wherein the circulation liquid container is provided with a through hole penetrating through the pipeline and is formed into a container with a sealed structure after penetrating through the pipeline, circulation liquid is stored in the circulation liquid container, the electromagnetic heating coil is arranged in the circulation liquid container and is wound on the outer surface of the pipeline positioned in the inner part of the circulation liquid container, the electromagnetic heating coil is connected with the power supply line, the circulation liquid in the circulation liquid container is communicated and isolated with the circulation liquid in the pipeline through switch control, and the electromagnetic heating coil heats the circulation liquid in the pipeline and directly or indirectly heats the circulation liquid stored in the circulation liquid container.
10. The method as claimed in claim 4, wherein the hot water system employs a built-in electromagnetic heating apparatus including a circulation liquid container, an electromagnetic heating coil and a power supply line, the circulation liquid container has a through hole passing through the pipe and is formed into a container of a sealed structure after passing through the pipe, and the circulation liquid is stored in the circulation liquid container, the electromagnetic heating coil is built in the circulation liquid container and wound on an outer surface of the pipe at an inner portion of the circulation liquid container, the electromagnetic heating coil is connected to the power supply line, the circulation liquid in the circulation liquid container is communicated and isolated with the circulation liquid in the pipe by on-off control, and the electromagnetic heating coil heats the circulation liquid in the pipe and directly or indirectly heats the circulation liquid stored in the circulation liquid container.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563244A (en) * | 2014-12-30 | 2015-04-29 | 西安洁姆环保科技有限责任公司 | Ecological and environmental friendly toilet |
| CN105392223A (en) * | 2015-12-07 | 2016-03-09 | 汪沛 | Built-in type electromagnetic heating apparatus and heating method |
| CN110304790A (en) * | 2019-06-25 | 2019-10-08 | 周鼎力 | A kind of method of vehicle-mounted lavatory waste purified treatment |
-
2019
- 2019-12-13 CN CN201911281717.7A patent/CN111333292A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563244A (en) * | 2014-12-30 | 2015-04-29 | 西安洁姆环保科技有限责任公司 | Ecological and environmental friendly toilet |
| CN105392223A (en) * | 2015-12-07 | 2016-03-09 | 汪沛 | Built-in type electromagnetic heating apparatus and heating method |
| CN110304790A (en) * | 2019-06-25 | 2019-10-08 | 周鼎力 | A kind of method of vehicle-mounted lavatory waste purified treatment |
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