CN114763289A - New rural domestic sewage treatment system - Google Patents
New rural domestic sewage treatment system Download PDFInfo
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Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/957—Apparatus therefor using two or more serially arranged devices
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/989—Flow sheets for biological or biochemical treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- 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
-
- 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
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Water Supply & Treatment (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a new rural domestic sewage treatment system, which relates to the technical field of rural sewage treatment and comprises a plurality of sewage pipelines, a solid-liquid separator, a biomass treatment device, a flow dividing device, an aerobic processor, an anaerobic processor and a clarification processor. The new rural domestic sewage treatment system and the treatment method fully utilize rural crop straws and solid in domestic sewage as biomass, can fully utilize biomass energy, realize the recovery and utilization of the biomass, realize the shunting and storage of sewage with different pH values, store in a plurality of storage areas, and improve the speed of matching acid-base solution into neutral solution.
Description
Technical Field
The invention relates to the technical field of rural sewage treatment, in particular to a new rural domestic sewage treatment system.
Background
Along with the development of industrial and agricultural production in China, the population grows, and the problem of environmental pollution is increasingly serious. At present, most domestic sewage in rural areas of China is directly discharged without any sewage collection and treatment, so that pollution to ponds and rivers is caused, the living environment of villagers is influenced, and the health of farmers is seriously threatened. Along with the change of agricultural life style, the improvement of living environment requirements and the attention to self health, the strengthening of sewage discharge collection and treatment construction work in rural areas is an important content for strengthening infrastructure construction and promoting village and town construction work in new rural construction, is also the most urgent, urgent and outstanding problem to be solved in the current rural human living environment improvement work, and has important practical significance.
The rural domestic sewage is mainly characterized in that: mainly uses waste water from rice washing, vegetable washing, showering and toilet washing; contains high human and animal excrement and urine components, and has high nitrogen and phosphorus contents, especially phosphorus contents; the water quality is stable, but the color is turbid, has foul smell due to deep cutting, and is slightly alkaline; generally, the feed additive does not contain toxic substances and contains a large amount of bacteria, viruses and parasitic ova. A large amount of crop straws are stored in rural areas, the straws are burned and returned to the field traditionally to serve as fertilizer, air pollution can be caused, the straws are smashed and directly returned to the field, the straws are rotted slowly, the field cultivation in the next year is inconvenient, and plant diseases and insect pests are increased.
A rural domestic sewage treatment system in the prior art is mainly a device for treating sewage by using a biological digestion method, and mainly comprises a water inlet well and an adjusting tank, wherein after entering the water inlet well, sewage is conveyed into the adjusting tank through a grating and a lifting pump, and then air is introduced through an aeration pipe for aerobic biological treatment, a large amount of carbon sources are consumed during treatment of the device, a large amount of nutrient elements in the domestic sewage are wasted, and feces are subjected to the aerobic biological treatment again, so that the operation load of the sewage treatment device is increased, a large amount of energy is wasted, a large amount of sludge is generated, the storage space and the cleaning workload are increased, and the rural straws of crops cannot be well fully utilized; domestic sewage with different pH values is intensively discharged to a sewage treatment tank, so that various kinds of sewage are centralized together, and the complexity and the inefficiency of sewage treatment are increased.
Disclosure of Invention
An object of the application is to provide a new rural domestic sewage treatment system and processing method, rural sewage treatment is effectual, abundant utilization rural crop straw and the solid in the domestic sewage as the living beings, make biomass fertilizer, can make full use of biomass energy, realize the recovery and the utilization of living beings, the realization is deposited the sewage reposition of redundant personnel of different pH values, and according to acidity and basicity different value, deposit in a plurality of districts of depositing, the appropriate amount disposes into neutral liquid, it is more accurate to the acid-base reposition of redundant personnel, improve the speed that acid-base solution cooperates into neutral solution, the complexity and the inefficiency of strengthening sewage treatment together have been avoided various sewage to concentrate on.
In order to achieve the above purpose, the present application provides the following technical solutions: a new rural domestic sewage treatment system comprises a plurality of sewage pipelines, a solid-liquid separator, a biomass treatment device, a flow dividing device, an aerobic processor, an anaerobic processor and a clarification processor; the sewage pipelines are connected with the solid-liquid separator, and the solid-liquid separator is used for separating solid and liquid in sewage; the biomass processing device is used for preparing biomass fertilizer from the separated solid and crop straws; the shunting device is used for measuring the pH value of the separated liquid, separately storing the separated liquid according to different measured pH values and adjusting the pH value of the liquid; the aerobic processor is used for liquid aerobic decomposition treatment, and the anaerobic processor is used for liquid anaerobic treatment after aerobic decomposition; the clarifying processor is used for separating liquid sludge and liquid after anaerobic decomposition, and the separated sludge is conveyed to the biomass processing device.
Preferably, biomass processing apparatus includes drying-machine, rubbing crusher, crop straw conveyer, fermentation chamber, fertilizer packaging machine, the drying-machine is used for the solid after the separation to dry, the crop straw conveyer is used for the crop straw to carry, the rubbing crusher is used for the solid of drying and the crop straw is smashed, the fermentation chamber is used for the solid after smashing and the crop straw fermentation generates biomass fertilizer, fertilizer packaging machine packs biomass fertilizer, the clarification treater with biomass processing apparatus is connected.
Preferably, the biomass processing apparatus further comprises a deodorizer for deodorizing solids within the dryer.
Preferably, a first stirring assembly is arranged in the dryer and is used for stirring the solid.
Preferably, a second stirring assembly is arranged in the pulverizer and used for mixing the pulverized solid and the crop straws.
Preferably, the clarification processor comprises a solid-liquid separator and a sterilizer, wherein the solid-liquid separator is used for carrying out solid-liquid separation on the liquid after anaerobic treatment, the sterilizer is used for sterilizing the separated liquid, and the conveyor is used for conveying sludge into the dryer.
Preferably, the flow dividing device comprises a liquid pH value detector, the liquid pH value detector is respectively connected with an acidic liquid storage chamber, an alkaline liquid storage chamber and a neutral liquid storage chamber, the acidic liquid storage chamber and the alkaline liquid storage chamber are respectively connected with an acid-base neutralizer through pipelines, and the acid-base neutralizer is connected with the neutral liquid storage chamber.
Preferably, the acidic liquid storage chamber includes a plurality of acidic liquid storage areas for storing liquids with different acidity, the alkaline liquid storage chamber includes a plurality of alkaline liquid storage areas for storing liquids with different alkalinity, the acid-base neutralizer is provided with a ph meter, a proper amount of the acidic liquid storage chamber is configured into neutral liquid according to the liquids with different acidity and the liquids with different alkalinity, the neutral liquid storage chamber is provided with a liquid level sensor for monitoring the liquid level of the neutral liquid in the neutral liquid storage chamber, and when the liquid level reaches a set value, the liquid pump delivers the liquid in the neutral liquid storage chamber into the aerobic processor.
Preferably, a biogas collecting and storing device is arranged on one side of the anaerobic processor and used for collecting biogas generated by decomposition, and water quality monitors are arranged in the aerobic processor and the anaerobic processor and used for monitoring water quality.
The application also discloses a treatment method of the new rural domestic sewage treatment system, which comprises the following steps:
a, step a: the plurality of sewage pipelines are respectively communicated with the toilet sewage pipe, the bathing sewage pipe and the kitchen sewage pipe;
step b: when one sewage pipeline valve is opened, the other two pipeline valves are closed, and sewage in the sewage pipeline with the opened valve flows into the solid separator;
step b 1: adding a flocculating agent into the solid separator to enable the flocculated organic matters and the suspended inorganic matters to form a floccule, and separating liquid from solid by using a solid-liquid separator;
step b 2: conveying the solid garbage into a dryer for moisture treatment, and deodorizing the solid garbage in the dryer;
step b 3: after treatment, conveying the solid garbage into a crusher for crushing, conveying crop straws into the crusher for crushing through a crop straw conveyor, and fully mixing the crushed crop straws with the solid garbage;
step b 4: conveying the mixed biomass to a fermentation chamber for fermentation;
step b 5: air-drying the fermented biomass again, and finally conveying the fermented biomass to a fertilizer packaging machine for bagging;
step c: b, according to the liquid obtained in the step b, the separated liquid enters a liquid pH value tester for pH value measurement;
Step c 1: the liquid after the measurement of the pH value flows to an acidic liquid storage chamber, an alkaline liquid storage chamber and a neutral liquid storage chamber respectively;
step c 2: the liquid in the neutral liquid storage chamber flows into the aerobic processor for aerobic decomposition treatment;
step c 11: according to the step c1, matching the liquid in the alkaline liquid storage chamber and the liquid in the acidic liquid storage chamber into neutral liquid in the acid-base neutralizer according to the proportion, and allowing the matched liquid to flow into the neutral liquid storage chamber in the step c 2;
step c 3: flowing the liquid subjected to aerobic decomposition into an anaerobic treatment device for anaerobic decomposition treatment;
step c 31: the biogas generated in the anaerobic treatment process flows to a biogas collecting and storing device to be collected
Step c 4: the liquid decomposed in the anaerobic processor flows into a clarification treatment chamber to be separated into sludge and liquid, and the separated liquid is disinfected;
step c 5: and c, conveying the sludge in the step c4 to a step b2 for drying treatment, and conveying the sterilized liquid into a water storage tank.
In conclusion, the technical effects and advantages of the invention are as follows:
1. the biomass fermentation device is reasonable in structure, the dryer dries solids, the deodorizer deodorizes the solids, the first stirring assembly stirs the solids, fully mixes the deodorizer with the solids and accelerates drying of the solids, the dried solids are conveyed into the crusher to be crushed, the crop straw conveyor conveys crop straws into the crusher to be crushed, the crushed solids and the straws are fully stirred and mixed by the second stirring assembly to form a biomass raw material, the biomass raw material is conveyed into the fermentation chamber to be fermented, seedling burning caused when the biomass raw material is directly used as a fertilizer is avoided, the fermented biomass raw material is conveyed into the fertilizer packaging machine to be packaged for planting fertilizers and improving land in rural areas, the separated sludge is conveyed into the dryer to be dried to manufacture the biomass fertilizer, and compared with the traditional straw burning method, The application makes full use of crop straws in rural areas and solid in domestic sewage to prepare biomass fertilizer, can make full use of biomass energy, and realizes recovery and utilization of biomass;
2. In the invention, a plurality of sewage pipelines are respectively communicated with a toilet sewage pipe, a bathing sewage pipe and a kitchen sewage pipe, each sewage pipe is controlled to be opened and closed by a control valve, when a valve on one sewage pipe is opened, valves on the other two sewage pipes are closed, a liquid pH value measurer measures the pH value of liquid, and the liquid is respectively injected into an acidic liquid storage chamber, an alkaline liquid storage chamber and a neutral liquid storage chamber according to the pH value difference of the liquid, the acidic liquid storage chamber comprises a plurality of acidic liquid storage areas for storing liquids with different acidity, the alkaline liquid storage chamber comprises a plurality of alkaline liquid storage areas for storing liquids with different alkalinity, a pH value tester is arranged on the acid-alkali neutralizer, a proper amount of neutral liquid is prepared according to the liquids with different acidity and different pH values, the flow distribution is more accurate, the speed of matching acid and alkali solution into neutral solution is increased, and the complexity and the inefficiency of sewage treatment which are increased by centralizing various kinds of sewage are avoided;
3. in the invention, the aerobic processor carries out aerobic decomposition treatment on the neutral solution, the liquid after the aerobic treatment is injected into the anaerobic processor for anaerobic decomposition, and the marsh gas in the decomposition process flows into the marsh gas collecting and storing device for people to use, so that the sewage is subjected to aerobic and anaerobic decomposition fully, and the sewage treatment effect is improved;
Based on the method, the biomass fertilizer is prepared by fully utilizing crop straws in rural areas and solids in domestic sewage as biomass, biomass energy can be fully utilized, the biomass is recycled and utilized, the sewage with different pH values is stored in a plurality of storage areas according to different acidity and alkalinity values, the pH value neutralizer is provided with a pH value tester, a proper amount of neutral liquid is prepared according to the liquid with different acidity and the liquid with different alkalinity, the acid-base shunting is more accurate, the speed of matching the acid-base solution into the neutral solution is increased, the complexity and the inefficiency of sewage treatment caused by the concentration of various kinds of sewage are avoided, and the sewage treatment effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a new rural domestic sewage treatment system;
FIG. 2 is a schematic view of a new rural domestic sewage treatment system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to fig. 1-2, a new rural domestic sewage treatment system comprises a plurality of sewage pipes, a solid-liquid separator, a biomass treatment device, a flow dividing device, an aerobic treatment device, an anaerobic treatment device, and a clarification treatment device, wherein the plurality of sewage pipes are respectively connected with a toilet sewage pipe, a bath sewage pipe and a kitchen sewage pipe, and each pipe is provided with a control valve;
the sewage pipelines are connected with a solid-liquid separator, and the solid-liquid separator is used for separating solid and liquid in sewage;
the biomass processing device is used for preparing biomass fertilizer from the separated solid and crop straws;
the shunting device is used for measuring the pH value of the separated liquid, separately storing the separated liquid according to different measured pH values and adjusting the pH value of the liquid;
The aerobic processor is used for liquid aerobic decomposition treatment, and the anaerobic processor is used for liquid anaerobic treatment after aerobic decomposition;
the clarifying processor is used for separating liquid sludge and liquid after anaerobic decomposition, and the separated sludge is conveyed to the biomass processing device.
As an implementation manner in this embodiment, the biomass processing apparatus includes a dryer, a crusher, a crop straw conveyor, a fermentation chamber, and a fertilizer packaging machine, the dryer is used for drying separated solids, the crop straw conveyor is used for conveying crop straws, the crusher is used for crushing dried solids and crop straws, the fermentation chamber is used for fermenting the crushed solids and the crop straws to generate biomass fertilizer, the fertilizer packaging machine packs the biomass fertilizer, the clarification processor is connected with the biomass processing apparatus, the biomass processing apparatus further includes a deodorizer, the deodorizer is used for deodorizing solids in the dryer, the deodorizer can be a blower in the prior art to suck air and absorb odor of gas through activated carbon, a first stirring assembly is arranged in the dryer, the first stirring assembly stirs the solids to dry the solids more uniformly, improve the stoving speed, be provided with the second stirring subassembly in the rubbing crusher, the second stirring subassembly is used for kibbling solid and crop straw to mix, the misce bene, and first stirring subassembly and second stirring subassembly constitute by motor and puddler, are provided with the dispersion hole on the puddler on the first stirring subassembly for the dispersion deodorant, make the deodorant fully mix with the solid.
In this embodiment, the clarification processor includes a solid-liquid separator for performing solid-liquid separation on the liquid after the anaerobic treatment, a sterilizer for sterilizing the separated liquid, and a conveyor for conveying the sludge into the dryer.
As an implementation manner in this embodiment, the flow dividing device includes a liquid ph value detector, the liquid ph value detector is connected to an acidic liquid storage chamber, an alkaline liquid storage chamber, and a neutral liquid storage chamber respectively, the acidic liquid storage chamber and the alkaline liquid storage chamber are connected to an acid-base neutralizer through pipelines respectively, and the acid-base neutralizer is connected to the neutral liquid storage chamber.
In this embodiment, the sour liquid storage room includes that a plurality of acidic liquids deposit the district, a liquid for depositing different acidity, alkaline liquid storage room includes that a plurality of alkaline liquids deposit the district, a liquid for depositing different basicities, the acid-base neutralizer is provided with the pH value tester, according to the liquid of the different liquid of acidity and the different liquid of basicity, configure into neutral liquid in a suitable amount, be provided with level sensor in the neutral liquid storage room, a liquid level for monitoring the neutral liquid in the neutral liquid storage room, when the liquid level reaches the set value, the liquid pump carries the liquid in the neutral liquid storage room to in the aerobic treatment ware.
In the embodiment, a biogas collecting and storing device is arranged on one side of the anaerobic processor and used for collecting biogas generated by decomposition, and water quality monitors are arranged in the aerobic processor and the anaerobic processor and used for monitoring the water quality.
The working principle of the new rural domestic sewage treatment system in the embodiment is as follows:
firstly, a plurality of sewage pipelines are respectively communicated with a toilet sewage pipe, a bathing sewage pipe and a kitchen sewage pipe, and each sewage pipe is controlled to be opened and closed through a control valve;
the dryer dries solids, the deodorizer deodorizes the solids simultaneously, the first stirring assembly stirs the solids, the deodorant is fully mixed with the solids, the solids are accelerated to be dried, the dried solids are conveyed into the crusher to be crushed, the crop straw is conveyed into the crusher to be crushed by the crop straw conveyor, the crushed solids and the straws are fully stirred and mixed through the second stirring assembly to form biomass raw materials, the biomass raw materials are conveyed into the fermentation chamber to be fermented, the phenomenon that the biomass raw materials are directly used as fertilizers to cause seedling burning is avoided, the fermented biomass raw materials are conveyed into a fertilizer packaging machine to be packaged, and the fertilizer is used for planting fertilizers in rural areas and improving land;
The liquid pH value measurer measures the pH value of liquid, the liquid is respectively injected into an acidic liquid storage chamber, an alkaline liquid storage chamber and a neutral liquid storage chamber according to different pH values of the liquid, the acidic liquid storage chamber comprises a plurality of acidic liquid storage areas for storing the liquid with different pH values, the alkaline liquid storage chamber comprises a plurality of alkaline liquid storage areas for storing the liquid with different pH values, the pH value neutralizer is provided with a pH value tester, the liquid with different pH values and the liquid with different pH values are properly configured into the neutral liquid, the acid-base shunting is more accurate, the speed of the acid-base solution to be matched into the neutral solution is increased, the matched neutral solution is injected into the neutral liquid storage chamber, a liquid level sensor is arranged in the neutral liquid storage chamber for monitoring the liquid level of the neutral liquid in the neutral liquid storage chamber, when the liquid level reaches a set value, liquid in the neutral liquid storage chamber is conveyed to the aerobic treatment device by the liquid pump, the aerobic treatment device carries out aerobic decomposition treatment on the neutral solution, the liquid after the aerobic treatment is injected into the anaerobic treatment device to carry out anaerobic decomposition, biogas in the decomposition process flows into the biogas collection storage device to be used by people, the liquid after the anaerobic decomposition flows into the clarification treatment device, sludge and liquid separation is carried out, the separated sludge is conveyed into the drying machine to be dried to manufacture biomass fertilizer, the separated liquid is scattered into a disinfectant through the disinfection machine to be disinfected, the disinfected liquid flows into the water storage tank to be used for crop irrigation or other purposes.
The application also discloses a treatment method of the new rural domestic sewage treatment system, which comprises the following steps:
step a: the plurality of sewage pipelines are respectively communicated with the toilet sewage pipe, the bathing sewage pipe and the kitchen sewage pipe;
step b: when one sewage pipeline valve is opened, the other two pipeline valves are closed, and sewage in the sewage pipeline with the opened valve flows into the solid separator;
step b 1: adding a flocculating agent into the solid separator to enable the flocculated organic matters and the suspended inorganic matters to form a floccule, and separating liquid from solid by using a solid-liquid separator;
step b 2: conveying the solid garbage into a dryer for moisture treatment, and deodorizing the solid garbage in the dryer;
step b 3: after treatment, conveying the solid garbage into a crusher for crushing, conveying crop straws into the crusher for crushing through a crop straw conveyor, and fully mixing the crushed crop straws with the solid garbage;
step b 4: conveying the mixed biomass to a fermentation chamber for fermentation;
step b 5: after fermentation, the biomass is air-dried again and finally conveyed to a fertilizer packaging machine for bagging;
step c: b, according to the liquid obtained in the step b, the separated liquid enters a liquid pH value tester for pH value measurement;
Step c 1: the liquid after the measurement of the pH value flows to an acidic liquid storage chamber, an alkaline liquid storage chamber and a neutral liquid storage chamber respectively;
step c 2: the liquid in the neutral liquid storage chamber flows into the aerobic processor for aerobic decomposition treatment;
step c 11: according to the step c1, matching the liquid in the alkaline liquid storage chamber and the liquid in the acidic liquid storage chamber into neutral liquid in the acid-base neutralizer in proportion, and allowing the matched liquid to flow into the neutral liquid storage chamber in the step c 2;
step c 3: flowing the liquid subjected to aerobic decomposition into an anaerobic treatment device for anaerobic decomposition treatment;
step c 31: biogas generated in the anaerobic treatment process flows to a biogas collecting and storing device to be collected;
step c 4: and (3) enabling the liquid decomposed in the anaerobic treatment device to flow into a clarification treatment chamber for sludge and liquid separation, and disinfecting the separated liquid.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A new rural domestic sewage treatment system is characterized by comprising a plurality of sewage pipelines, a solid-liquid separator, a biomass treatment device, a flow dividing device, an aerobic processor, an anaerobic processor and a clarification processor;
the sewage pipelines are connected with the solid-liquid separator, and the solid-liquid separator is used for separating solid and liquid in sewage;
the biomass processing device is used for preparing biomass fertilizer from the separated solid and crop straws;
the shunting device is used for measuring the pH value of the separated liquid, separately storing the separated liquid according to different measured pH values and adjusting the pH value of the liquid;
the aerobic processor is used for liquid aerobic decomposition treatment, and the anaerobic processor is used for liquid anaerobic treatment after aerobic decomposition;
the clarification processor is used for separating liquid sludge and liquid after anaerobic decomposition, and the separated sludge is conveyed to the biomass processing device.
2. The system for treating the domestic sewage in the new countryside according to claim 1, characterized in that: biomass processing apparatus includes drying-machine, rubbing crusher, crop straw conveyer, fermentation chamber, fertilizer packaging machine, the drying-machine is used for the solid stoving after the separation, the crop straw conveyer is used for the crop straw to carry, the rubbing crusher is used for the solid of stoving and the crop straw is smashed, the fermentation chamber is used for the solid after smashing and the crop straw fermentation generates biomass fertilizer, fertilizer packaging machine packs biomass fertilizer, the clarification treater with biomass processing apparatus is connected.
3. The system for treating the domestic sewage in the new rural area according to claim 2, wherein: the biomass processing apparatus further includes a deodorizer for deodorizing solids within the dryer.
4. The system for treating the domestic sewage in the new rural area according to claim 2, wherein: a first stirring assembly is arranged in the dryer and is used for stirring solids.
5. The system for treating the domestic sewage in the new rural area according to claim 2, wherein: a second stirring assembly is arranged in the pulverizer and used for mixing the pulverized solid and the crop straws.
6. The system for treating the domestic sewage in the new rural area according to claim 2, wherein: the clarification processor comprises a solid-liquid separator and a sterilizer, wherein the solid-liquid separator is used for carrying out solid-liquid separation on the liquid after anaerobic treatment, the sterilizer is used for sterilizing the separated liquid, and the conveyor is used for conveying sludge into the dryer.
7. The system for treating the domestic sewage in the new rural area according to claim 1, wherein: the flow dividing device comprises a liquid pH value detector, the liquid pH value detector is respectively connected with an acidic liquid storage chamber, an alkaline liquid storage chamber and a neutral liquid storage chamber, the acidic liquid storage chamber and the alkaline liquid storage chamber are respectively connected with an acid-base neutralizer through pipelines, and the acid-base neutralizer is connected with the neutral liquid storage chamber.
8. The system for treating the domestic sewage in the new countryside according to claim 7, characterized in that: the acid liquid storage chamber comprises a plurality of acid liquid storage areas for storing liquids with different acidity, the alkaline liquid storage chamber comprises a plurality of alkaline liquid storage areas for storing liquids with different alkalinity, the acid-base neutralizer is provided with a pH value tester and is properly configured into neutral liquid according to the liquids with different acidity and the liquids with different alkalinity, the neutral liquid storage chamber is internally provided with a liquid level sensor for monitoring the liquid level of the neutral liquid in the neutral liquid storage chamber, and when the liquid level reaches a set value, the liquid pump conveys the liquid in the neutral liquid storage chamber into the aerobic processor.
9. The system for treating the domestic sewage in the new countryside according to claim 7, characterized in that: and a biogas collecting and storing device is arranged on one side of the anaerobic processor and used for collecting biogas generated by decomposition, and water quality monitors are arranged in the aerobic processor and the anaerobic processor and used for monitoring the water quality.
10. A treatment method of a new rural domestic sewage treatment system is characterized by comprising the following steps:
A, step a: the plurality of sewage pipelines are respectively communicated with the toilet sewage pipe, the bathing sewage pipe and the kitchen sewage pipe;
step b: when one sewage pipeline valve is opened, the other two pipeline valves are closed, and sewage in the sewage pipeline with the opened valve flows into the solid separator;
step b 1: adding a flocculating agent into the solid separator to enable the flocculated organic matters and the suspended inorganic matters to form a floccule, and separating liquid from solid by using a solid-liquid separator;
step b 2: conveying the solid garbage into a dryer for moisture treatment, and deodorizing the solid garbage in the dryer;
step b 3: after treatment, conveying the solid garbage into a crusher for crushing, conveying crop straws into the crusher for crushing through a crop straw conveyor, and fully mixing the crushed crop straws with the solid garbage;
step b 4: conveying the mixed biomass to a fermentation chamber for fermentation;
step b 5: air-drying the fermented biomass again, and finally conveying the fermented biomass to a fertilizer packaging machine for bagging;
step c: b, according to the liquid obtained in the step b, the separated liquid enters a liquid pH value tester for pH value measurement;
step c 1: the liquid after the measurement of the pH value flows to an acidic liquid storage chamber, an alkaline liquid storage chamber and a neutral liquid storage chamber respectively;
Step c 2: the liquid in the neutral liquid storage chamber flows into the aerobic processor for aerobic decomposition treatment;
step c 11: according to the step c1, matching the liquid in the alkaline liquid storage chamber and the liquid in the acidic liquid storage chamber into neutral liquid in the acid-base neutralizer in proportion, and allowing the matched liquid to flow into the neutral liquid storage chamber in the step c 2;
step c 3: flowing the liquid after aerobic decomposition into an anaerobic processor for anaerobic decomposition treatment;
step c 31: biogas generated in the anaerobic treatment process flows to a biogas collection storage device to be collected;
step c 4: the liquid decomposed in the anaerobic processor flows into a clarification treatment chamber to be separated into sludge and liquid, and the separated liquid is disinfected;
step c 5: and c, conveying the sludge in the step c4 to a step b2 for drying treatment, and conveying the sterilized liquid into a water storage tank.
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