CN113072249A - Excrement and urine treatment system using composite material to load microorganisms and mobile toilet using same - Google Patents
Excrement and urine treatment system using composite material to load microorganisms and mobile toilet using same Download PDFInfo
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- CN113072249A CN113072249A CN202110326661.3A CN202110326661A CN113072249A CN 113072249 A CN113072249 A CN 113072249A CN 202110326661 A CN202110326661 A CN 202110326661A CN 113072249 A CN113072249 A CN 113072249A
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Images
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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D7/00—Wheeled lavatories
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/106—Carbonaceous materials
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a fecal treatment system using composite material to load microorganism and a mobile toilet using the same, comprising a water storage tank, and an aeration treatment device, an anaerobic treatment device and a sterilization and decoloration device which are sequentially communicated from upstream to downstream; the aeration treatment device is provided with a first purification treatment module; the anaerobic treatment device is provided with a second purification treatment module; the sterilization and decoloration device is used for performing sterilization, oxidation and color fading treatment on the excrement and urine sewage; the first purification treatment module and the second purification treatment module respectively comprise a plurality of layers of cedar sawdust filling layers and a plurality of layers of oyster shell filling layers; the fir chip filling layer and the oyster shell filling layer are both adsorbed with a first compound microorganism or a second compound microorganism; purified water is used for washing hands and flushing toilets. The invention also provides a mobile toilet using the fecal treatment system using the composite material to load the microorganisms, which has the advantages of no sewage and waste residue discharge, environmental protection, energy saving and low use cost.
Description
Technical Field
The invention relates to the technical field of fecal sewage treatment and mobile toilets, in particular to a fecal sewage treatment system using composite materials to load microorganisms and a mobile toilet using the same.
Background
In the prior art, external tap water is needed for washing hands and a toilet bowl during operation of the mobile toilet, and excrement sewage after washing is discharged into a city sewage discharge pipeline or collected in a waste water collecting container for secondary treatment, so that the mobile toilet has high use environment requirements, has the risk of environmental pollution caused by secondary treatment and is high in use cost.
In the environment without external water source, the used outdoor toilet or field toilet collects the excrement and urine sewage by an excrement and urine packing method, and needs to be transported to a wastewater treatment place for secondary treatment, and the hand washing water and the water for flushing the toilet bowl completely depend on the stored water of the water storage tank, so that the use is inconvenient, the risk of environmental pollution caused by secondary treatment exists, and the use cost is high.
Disclosure of Invention
The invention aims to provide a fecal treatment system using composite material loaded with microorganisms, which can continuously provide water for cleaning toilets and washing hands without an external water source.
The invention also provides a mobile toilet using the composite material microorganism-loaded excrement and urine treatment system, which is suitable for long-term use in outdoor or field anhydrous environments.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fecal treatment system using composite material to load microorganism is used for the purification treatment of fecal sewage of a mobile toilet and is characterized by comprising a water storage tank, an aeration treatment device, an anaerobic treatment device and a sterilization and decoloration device which are sequentially communicated from upstream to downstream;
the aeration treatment device is provided with a first purification treatment module; the anaerobic treatment device is provided with a second purification treatment module;
the sterilization and decoloration device is used for performing sterilization, oxidation and color fading treatment on the excrement and urine sewage;
the first purification treatment module and the second purification treatment module respectively comprise a plurality of layers of cedar sawdust filling layers and a plurality of layers of oyster shell filling layers; the oyster shell filling layers are filled between two adjacent Chinese fir sawdust filling layers;
the cedar sawdust filling layer and the oyster shell filling layer which are positioned on the first purification treatment module are both adsorbed with first compound microorganisms;
the first complex microorganism comprises one or more of bacteria or a enzyme for decomposing proteins, creatinine, urea, uric acid, chitophile, starch, and cellulose;
the fir chip filling layer and the oyster shell filling layer in the second purification treatment module are both adsorbed with second compound microorganisms;
the second complex microorganism comprises aquatic denitrifying bacteria and/or Thiobacillus denitrificans;
the fecal sewage is purified by the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device in sequence, and then is introduced into the water storage tank by microporous filtration, and the purified water in the water storage tank is used for washing hands and flushing toilets.
Preferably, the sterilization and decoloration device is provided with a decoloration processing module;
the decoloring processing module comprises a plurality of layers of cedar sawdust carbonization plates and a plurality of layers of coconut shell activated carbon filling layers; the coconut shell activated carbon filling layer is filled between the two adjacent cedar chip carbonization plates.
Preferably, a sewage collecting device, a solid-liquid separating device and a high-speed crushing device are further arranged in front of the input end of the aeration treatment device;
the fecal sewage flowing out of the toilet is guided into the sewage collecting device, the fecal sewage flowing out of the sewage collecting device is separated into sludge and dirty liquid through the solid-liquid separating device, and the sludge and the dirty liquid are respectively input into the aeration treatment device after being milled and refined by the high-speed crushing device.
Preferably, the bottom of the aeration treatment device, the bottom of the anaerobic treatment device and the bottom of the sterilization and decoloration device are respectively provided with a sewage discharge pipe communicated with the sewage collection device;
the solid sediments deposited at the bottoms of the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device are regularly guided into the sewage collection device through the sewage discharge pipe.
Specifically, the aeration treatment device further comprises an aeration pipe and an air pump;
the pipe wall of the aeration pipe is provided with a plurality of air outlet through holes, and the plurality of aeration pipes are uniformly distributed and arranged below the cedar chip filling layer at the lowest layer;
the output port of the air pump is communicated with the aeration pipe, and the input port of the air pump is communicated with the outside.
More environment-friendly, also comprises a waste gas treatment tank;
the aeration treatment device and the anaerobic treatment device are respectively provided with an input port, a discharge port and an exhaust pipe;
the peripheral edges of the plurality of fir chip filling layers positioned in the first purification treatment module and the second purification treatment module respectively abut against the peripheral edges of the aeration treatment device and the anaerobic treatment device along the horizontal direction;
the input ports of the aeration treatment device and the anaerobic treatment device are respectively positioned below the China fir sawdust filling layer of the corresponding lowest layer;
the two water outlets in the aeration treatment device and the anaerobic treatment device are respectively positioned above the fir chip filling layer at the corresponding uppermost layer;
the discharge port of the aeration treatment device is communicated with the input port of the anaerobic treatment device;
the water outlet of the anaerobic treatment device is communicated with the bottom of the sterilization and decoloration device;
the inlet ends of the two exhaust pipes are respectively communicated with the tops of the aeration treatment device and the anaerobic treatment device, and the outlet ends of the two exhaust pipes are respectively communicated with the waste gas treatment tank.
Specifically, the device also comprises a microporous filter which is arranged behind the output end of the sterilization and decoloration device;
the sterilization and decoloration device is also provided with an ultraviolet lamp, an ozone generator and a tail gas pipe;
the peripheral edges of the China fir sawdust carbonization plates in the decoloring processing module respectively abut against the peripheral edges of the sterilizing and decoloring device along the horizontal direction;
the light of the ultraviolet lamp radiates and covers the upside of the cedar chip carbonized board on the uppermost layer;
a plurality of ozone air outlets of the ozone generator are uniformly distributed and arranged below the cedar chip carbonization plate at the lowest layer;
the inlet end of the tail gas pipe is communicated with the top of the sterilization and decoloration device, and the outlet end of the tail gas pipe is communicated with the waste gas treatment tank;
purified water passes in proper order from the below the decoloration processing module the lower floor fir saw-dust carbide board, multilayer coconut husk active carbon filling layer and the superiors flow in behind the fir saw-dust carbide board microporous filter, the warp microporous filter filterable filtrating is discharged the storage water tank, the filter residue is discharged sludge collector.
Furthermore, the invention also provides a mobile toilet, which comprises the excrement treatment system using the composite material to load the microorganisms, a hand washing faucet, a toilet stool, a sewage collector, an air conditioning device and a solar power supply;
the hand washing faucet and the flushing port of the toilet are respectively communicated with the water storage tank;
introducing fecal sewage for flushing the toilet into the sewage collector;
the solar power supply provides power supply and lighting power supply for equipment needing electric power.
Preferably, the aeration treatment device and the anaerobic treatment device adjust the environmental temperature to 18-35 ℃ through the air conditioning device.
Specifically, the sewage collector is provided with a liquid level sensor, when the liquid level of the sewage collector reaches the lowest set liquid level, the liquid level sensor triggers and starts the operation of the excrement treatment system which uses the composite material to load microorganisms, and the sewage collector starts to output excrement sewage; when the highest set liquid level is reached, the liquid level sensor triggers and stops running the excrement and urine treatment system which uses the composite material to load the microorganisms, and the sewage collector stops outputting the excrement and sewage.
The invention has the beneficial effects that: the invention relates to a fecal treatment system using composite material loaded microorganism, which comprises an aeration treatment device, an anaerobic treatment device and a sterilization and decoloration device, wherein the organic and inorganic substances contained in the fecal sewage are decomposed and purified by using a first compound microorganism and a second compound microorganism which are adsorbed on a cedar sawdust filling layer and an oyster shell filling layer, the first compound microorganism comprises bacteria or enzyme capable of decomposing protein, creatinine, urea, uric acid, chitin-like, starch and cellulose, such as cellulase, amylase, proteus, bacillus megaterium, clostridium putrefaction, chitin-like, bacillus pasteurianus, urease and sarcina urealyticum, the second compound microorganism comprises aquatic denitrifying bacteria and denitrifying bacteria capable of decomposing nitrite, hydrogen sulfide and amine salt, and can effectively decompose and purify various organic and inorganic substances contained in the fecal sewage, then the purified water is sterilized, oxidized and faded by a sterilization and decoloration device, impurities contained in the purified water are separated by microporous filtration, clear and clean purified water which meets the water quality standard of domestic water can be obtained, the continuous and effective purification of the fecal sewage can be realized by circularly operating the fecal and urine treatment system using the composite material to load the microorganisms, as long as tap water is filled in the water storage tank before the fecal and urine treatment system using the composite material to load the microorganisms is used, external water sources can be not needed in subsequent operation and use, the requirements of continuously supplying hands and flushing toilets are met, and the device is suitable for outdoor mobile toilets, particularly field toilet.
The invention also provides a mobile toilet using the fecal treatment system using the composite material to load the microorganisms, which has the advantages of no sewage and waste residue discharge, environmental protection, energy saving and low use cost.
The excrement treatment system using the composite material to load the microorganisms can effectively solve the technical problem that secondary waste treatment is needed after the excrement sewage of the field toilet in the prior art is packed, so that the environmental pollution risk exists, and has the advantages of environmental protection, energy conservation and low operation and use cost.
Drawings
Fig. 1 is a schematic flow chart of the operation of the system for treating feces and urine by loading microorganisms with composite materials according to one embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solution of the present invention is further described with reference to fig. 1 and the detailed description thereof.
A fecal treatment system using composite material to load microorganism is used for the purification treatment of fecal sewage of a mobile toilet and comprises a water storage tank, an aeration treatment device, an anaerobic treatment device and a sterilization and decoloration device which are sequentially communicated from upstream to downstream;
the aeration treatment device is provided with a first purification treatment module; the anaerobic treatment device is provided with a second purification treatment module;
the sterilization and decoloration device is used for performing sterilization, oxidation and color fading treatment on the excrement and urine sewage;
the first purification treatment module and the second purification treatment module respectively comprise a plurality of layers of cedar sawdust filling layers and a plurality of layers of oyster shell filling layers; the oyster fragment filling layers are filled between two adjacent cedar chip filling layers;
the cedar sawdust filling layer and the oyster shell filling layer which are positioned on the first purification treatment module are both adsorbed with first compound microorganisms;
the first complex microorganism comprises one or more of bacteria or a enzyme for decomposing proteins, creatinine, urea, uric acid, chitophile, starch, and cellulose;
the fir chip filling layer and the oyster shell filling layer in the second purification treatment module are both adsorbed with second compound microorganisms;
the second complex microorganism comprises aquatic denitrifying bacteria and/or Thiobacillus denitrificans;
the fecal sewage is purified by the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device in sequence, and then is introduced into the water storage tank by microporous filtration, and the purified water in the water storage tank is used for washing hands and flushing toilets.
The human fecal composition includes approximately 65% moisture and 35% solids. Most of the bacteria contained in the excreted feces are dead, the solid fraction contains 2% -3% of nitrogen-containing substances such as protein, creatinine and the like, 10% -20% of inorganic salts such as calcium, iron, magnesium salts and the like, 10% -20% of unabsorbed and decomposed fat and neutral fat formed by bacteria and mucosal epithelial remnants, and also a small amount of cholesterol, purine groups and vitamins, and the solid fraction also contains a fraction of cellulose, starch, and unabsorbed digestive tract secretions such as mucus, cholesterol, mucin, digestive juice and the like. The human urine mainly comprises 92-93% of water, 1-2% of urea, 1-2% of inorganic salt and 0.2-0.5% of uric acid and creatinine.
As shown in the work flow chart of FIG. 1, the system for treating feces and urine using composite-material-supported microorganisms according to the present invention comprises an aeration treatment device, an anaerobic treatment device and a sterilization and decolorization device, wherein organic and inorganic substances contained in feces and urine wastewater are decomposed and purified by using a first composite microorganism and a second composite microorganism adsorbed to a cedar wood chip packed layer and an oyster shell packed layer, the first composite microorganism comprises bacteria or enzyme for decomposing protein, creatinine, urea, uric acid, chitin-like bacteria, starch and cellulose, such as cellulase, amylase, Proteus, Bacillus megaterium, Clostridium putrefaciens, chitin-like bacteria, Bacillus pasteurii, urease, and Bacillus urealyticum, etc., and the second composite microorganism comprises a water-borne denitrifying bacteria and Thiobacillus denitrificans having a function of decomposing nitrite, hydrogen sulfide, and amine salt, and can effectively decompose and purify various organic and inorganic substances contained in feces and urine wastewater, then the purified water is sterilized, oxidized and faded by a sterilization and decoloration device, impurities contained in the purified water are separated by microporous filtration, and the clear and clean purified water which meets the water quality standard of domestic water can be obtained.
Therefore, the excrement treatment system using the composite material to load the microorganisms has the function of circularly purifying the excrement sewage, and is suitable for outdoor mobile toilets, particularly field toilets.
The cedar wood chips have rich natural wood pores and microtubule gaps, have good adsorption and filtration properties, and have good corrosion resistance and mildew resistance after being soaked in urine; the oyster shell has natural calcium carbonate molecular gaps, also has adsorption and purification effects and corrosion resistance; the natural raw materials of the oyster shell and the cedar are rich in resources, and have better cost advantage.
The excrement treatment system using the composite material to load the microorganisms can effectively solve the technical problem that secondary waste treatment is needed after the excrement sewage of the field toilet in the prior art is packed, so that the environmental pollution risk exists, and has the advantages of environmental protection, energy conservation and low operation and use cost.
First purification treatment module and second purification treatment module set up the chinese fir sawdust filling layer of multilayer and oyster shell filling layer and adsorb respectively and have first compound microorganism and the compound microorganism of second, more be applicable to the stream of people and the great portable lavatory of use volume or field operations lavatory, can ensure that protein, creatinine, urea, uric acid, addicted to chitin, starch and cellulose that contain in the fecal sewage to and the mineral substance of nitrite and various inorganic salts obtains fully decomposing and purifying, have better purification treatment effect.
Preferably, the sterilization and decoloration device is provided with a decoloration processing module;
the decoloring processing module comprises a plurality of layers of cedar sawdust carbonization plates and a plurality of layers of coconut shell activated carbon filling layers; the coconut shell activated carbon filling layer is filled between the two adjacent cedar chip carbonization plates.
The cedar chips have rich natural wood pores and microtubule gaps, and have good adsorption and filtration properties, and the cedar chips have better sterilization and adsorption properties after carbonization treatment; the coconut shell activated carbon filling layer contains fir particles which are activated carbon particles, and the fir particles have wooden pores and microtubule gaps and also have the effects of adsorption, purification and fading of activated carbon. And the raw materials are natural and easily available, and have better cost advantage.
The purified water after aeration treatment, first composite microbial decomposition and purification, anaerobic treatment and second composite microbial decomposition and purification can form transparent and colorless purified water through the adsorption and decoloration of the China fir sawdust carbonization plate and the China fir particles which are active carbon particles, the purified water can reach the water quality standard of domestic water only through sterilization, filtration and separation of impurities contained in the purified water, and the use requirements of washing hands and flushing toilets can be met.
The adopted cedar chips are of a rolled and crushed flaky structure or have the specification and size as follows: 1mm 4mm 3mm, 2mm 5mm 3mm or 3mm 10mm 4mm, preferably 2mm 5mm 3mm, with a large surface area and rich pores; has good adsorption performance and filtering function.
The oyster shell adopted by the invention is washed by high-pressure clear water and baked at a high temperature of 300 ℃, the physical structure of the natural oyster shell ensures that the oyster shell has good adsorption capacity, pollutants can be attached to holes in the oyster shell, and the internal organization structure of the oyster shell is divided into three layers: the outermost layer is a cuticle containing conchiolin and has stronger chemical corrosion resistance; the middle is a prismatic layer, which is composed of a plurality of lime precipitates of polygonal prismatic crystals and contains a large number of holes with the diameter of 2-10 mu m; the inner layer is a pearl layer with a calcite structure, the thickness of the pearl layer can be gradually increased along with the age increase of the oyster, and the number of layers of the pearl layer is increased and the pearl layer is adjacent to the pearl layer; there are more gaps and holes between the two layers.
The coconut shell activated carbon adopted by the invention has the particle size as follows: 0.6-3.5mm, preferably 0.6-1.5mm, having a large surface area and rich pores; more preferably 0.6-0.9mm, and has excellent specific surface area.
Preferably, a sewage collecting device, a solid-liquid separating device and a high-speed crushing device are further arranged in front of the input end of the aeration treatment device;
the fecal sewage flowing out of the toilet is guided into the sewage collecting device, the fecal sewage flowing out of the sewage collecting device is separated into sludge and dirty liquid through the solid-liquid separating device, and the sludge and the dirty liquid are respectively input into the aeration treatment device after being milled and refined by the high-speed crushing device.
The sludge is milled and refined by a high-speed pulverizer, and then is further decomposed and purified by first compound microorganisms and second compound microorganisms in an aeration treatment device and an anaerobic treatment device, so that the dissolving and digesting conversion rate of the cured substances contained in the fecal sewage can be improved, the sludge of the fecal sewage treatment system using the compound material to load the microorganisms is reduced, the residue-free purification efficiency of the cured substances is improved, and the requirement of manually starting the fecal sewage treatment system using the compound material to load the microorganisms to remove the sludge or the sludge can be avoided.
Preferably, the bottom of the aeration treatment device, the bottom of the anaerobic treatment device and the bottom of the sterilization and decoloration device are respectively provided with a sewage discharge pipe communicated with the sewage collection device;
the solid sediments deposited at the bottoms of the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device are regularly guided into the sewage collection device through the sewage discharge pipe.
The valve in the blow-off pipe can be opened at regular time and closed instantly, solid precipitates at the bottoms of the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device in operation are collected to the sludge collector, and the sludge and residues are continuously degraded and digested in multiple circulation and multistage microbial decomposition reactions through high-speed crushing and cyclic treatment of the first composite microorganism and the second composite microorganism, so that the digestion and purification rate of cured substances contained in the fecal sewage can be improved, the silting of the fecal treatment system using the composite material to load the microorganisms can be further reduced, the effect of removing the sludge and the silting without manual opening can be achieved, and the cleanliness of purified water produced by the fecal treatment system using the composite material to load the microorganisms can be improved.
Preferably, the aeration treatment device further comprises an aeration pipe and an air pump;
the pipe wall of the aeration pipe is provided with a plurality of air outlet through holes, and the plurality of aeration pipes are uniformly distributed and arranged below the cedar chip filling layer at the lowest layer;
the output port of the air pump is communicated with the aeration pipe, and the input port of the air pump is communicated with the outside.
The oxygen content in the operating aeration treatment device can be increased through the aeration pipe and the air pump, so that the decomposition reaction can be more sufficient, the decomposition and purification efficiency of the fecal sewage in the first purification treatment module is improved, and the purity of the purified water output by the fecal sewage treatment system using the composite material to load microorganisms is improved.
More environment-friendly, also comprises a waste gas treatment tank;
the aeration treatment device and the anaerobic treatment device are respectively provided with an input port, a discharge port and an exhaust pipe;
the peripheral edges of the plurality of fir chip filling layers positioned in the first purification treatment module and the second purification treatment module respectively abut against the peripheral edges of the aeration treatment device and the anaerobic treatment device along the horizontal direction;
the input ports of the aeration treatment device and the anaerobic treatment device are respectively positioned below the China fir sawdust filling layer of the corresponding lowest layer;
the two water outlets in the aeration treatment device and the anaerobic treatment device are respectively positioned above the fir chip filling layer at the corresponding uppermost layer;
the discharge port of the aeration treatment device is communicated with the input port of the anaerobic treatment device;
the water outlet of the anaerobic treatment device is communicated with the bottom of the sterilization and decoloration device;
the inlet ends of the two exhaust pipes are respectively communicated with the tops of the aeration treatment device and the anaerobic treatment device, and the outlet ends of the two exhaust pipes are respectively communicated with the waste gas treatment tank.
The fecal sewage in the aeration treatment device and the anaerobic treatment device respectively passes through the cedar wood chip filling layer at the lowest part, passes through the peripheries of the oyster shell filling layers of all layers and then passes through the cedar wood chip filling layer at the upper layer of the mouth to flow out; fecal sewage passes through the inside of first purification treatment module and second purification treatment module from the below respectively and flows out again, can improve fecal sewage and the air in the first purification treatment module and the contact density of first compound microorganism, can further improve the decomposition efficiency of first purification treatment module and second purification treatment module, through the cleanliness factor of the purification water that excrement and urine processing system who loads the microorganism with combined material made is higher.
The two exhaust pipes are respectively used for conveying CO generated in the corresponding aeration treatment and anaerobic treatment processes2、NH3And NO2A part of the exhaust gas CO2、NH3And NO2The tail gas which can be used as nutrient substances and is digested and absorbed by the first microorganism and the second microorganism is sent to the waste gas treatment tank.
The purified water obtained by filtering through the microporous filter is clearer, filter residues generated by filtering the purified water through the microporous filter are discharged into the sewage collecting device, and the cleanliness of the purified water produced by the excrement and urine treatment system using the composite material loaded with the microorganisms can be improved through high-speed crushing and cyclic treatment of the first compound microorganisms and the second compound microorganisms.
Preferably, the device also comprises a microporous filter which is arranged behind the output end of the sterilization and decoloration device;
the sterilization and decoloration device is also provided with an ultraviolet lamp, an ozone generator and a tail gas pipe;
the peripheral edges of the China fir sawdust carbonization plates in the decoloring processing module respectively abut against the peripheral edges of the sterilizing and decoloring device along the horizontal direction;
the light of the ultraviolet lamp radiates and covers the upside of the cedar chip carbonized board on the uppermost layer;
a plurality of ozone air outlets of the ozone generator are uniformly distributed and arranged below the cedar chip carbonization plate at the lowest layer;
the inlet end of the tail gas pipe is communicated with the top of the sterilization and decoloration device, and the outlet end of the tail gas pipe is communicated with the waste gas treatment tank;
purified water passes in proper order from the below the decoloration processing module the lower floor fir saw-dust carbide board, multilayer coconut husk active carbon filling layer and the superiors flow in behind the fir saw-dust carbide board microporous filter, the warp microporous filter filterable filtrating is discharged the storage water tank, the filter residue is discharged sludge collector.
The ultraviolet lamp and the ozone generator can effectively kill the bacteria and the microorganisms in the purified water produced by the excrement treatment system which uses the composite material to load the microorganisms, so that the content of the bacteria and the microorganisms in the output purified water reaches the water quality standard of domestic water.
The ultraviolet lamp has a wavelength of 200-280 nm, and one ultraviolet lamp with a wavelength of 253.7nm can be used for sterilization to improve the effective rate.
The tail gas containing ozone in the tail gas of the sterilization and decoloration device is discharged into a waste gas treatment tank, and NH in the waste gas treatment tank can be oxidized3Etc. of exhaust gas, NH, which can be oxidized3The chemical reaction formula with ozone is 3O3+2NH3==N2+3H2O+3O2The environment-friendly and energy-saving treatment system is more environment-friendly, and can reduce the pollution of waste gas generated by the excrement and urine treatment system for loading microorganisms by using the composite material to the surrounding environment.
Furthermore, the invention also provides a mobile toilet, which comprises the excrement treatment system using the composite material to load the microorganisms, a hand washing faucet, a toilet stool, a sewage collector, an air conditioning device and a solar power supply;
the hand washing faucet and the flushing port of the toilet are respectively communicated with the water storage tank;
introducing fecal sewage for flushing the toilet into the sewage collector;
the solar power supply provides power supply and lighting power supply for equipment needing electric power.
As shown in figure 1, the mobile toilet of the invention can continuously use the purified water recycled by the composite material microorganism-loaded excrement treatment system to wash hands and flush toilets, does not need an external water source in operation, is more suitable for outdoor or even field use, does not discharge sewage and waste residue, has good environmental protection and energy saving performance, and has the advantage of low use cost.
Preferably, the aeration treatment device and the anaerobic treatment device adjust the environmental temperature to 18-35 ℃ through the air conditioning device.
Keeping the aeration treatment device and the anaerobic treatment device at the ambient temperature of 15-35 ℃, the first compound microorganism and the second compound microorganism can be in a good activity state, and the first compound microorganism and the second compound microorganism can be reproduced by utilizing nutrient substances and heating energy generated in the purification treatment, so that the excrement treatment system using the compound material to load the microorganism has long service life.
Specifically, the sewage collector is provided with a liquid level sensor, when the liquid level of the sewage collector reaches the lowest set liquid level, the liquid level sensor triggers and starts the operation of the excrement treatment system which uses the composite material to load microorganisms, and the sewage collector starts to output excrement sewage; when the highest set liquid level is reached, the liquid level sensor triggers and stops running the excrement and urine treatment system which uses the composite material to load the microorganisms, and the sewage collector stops outputting the excrement and sewage.
The liquid level of the sewage collector is monitored by the liquid level sensor, so that the liquid level of the sewage collector is kept between the lowest set liquid level and the highest set liquid level, the running equipment can be prevented from idle running damage, the water storage tank can be effectively kept to be supplemented with purified water in time, and the phenomenon of water supply interruption of hand washing and toilet flushing is avoided.
In summary, as shown in fig. 1, the system for treating feces and urine using composite material loaded microorganisms according to the present invention comprises an aeration treatment device, an anaerobic treatment device and a sterilization and decolorization device, wherein organic and inorganic substances contained in feces and urine wastewater are decomposed and purified by a first composite microorganism and a second composite microorganism adsorbed to a cedar wood dust filling layer and an oyster shell filling layer, the first composite microorganism comprises bacteria or enzymes capable of decomposing proteins, creatinine, urea, uric acid, chitin, starch and cellulose, such as cellulase, amylase, proteus, bacillus megaterium, putrefying clostridium, chitin-philic bacillus, pasteurella, urease and sarcina ureae, the second composite microorganism comprises water-borne denitrifying bacteria and thiobacillus denitrificans capable of decomposing nitrite, hydrogen sulfide and amine salts, and can effectively decompose and purify various organic and inorganic substances contained in feces and urine wastewater, then, the purified water is sterilized, oxidized and faded by a sterilization and decoloration device, impurities contained in the purified water are separated by microporous filtration, and clear and clean purified water which meets the water quality standard of domestic water can be obtained, the continuous and effective purification of the fecal sewage can be realized by circularly operating the fecal and urine treatment system which uses the composite material to load the microorganisms, as long as tap water is filled in the water storage tank before the fecal and urine treatment system which uses the composite material to load the microorganisms is used, external water sources can be not needed in subsequent operation and use, and the requirements of continuously supplying hands and flushing toilets are met; is suitable for outdoor mobile toilets, in particular field toilets.
The valve in the blow-off pipe can be opened at regular time and closed instantly, solid precipitates at the bottoms of the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device in operation are collected to the sludge collector, filter residues generated by the micro-porous filtration of purified water are also discharged into the sewage collection device, and the digestion and purification rate of cured substances contained in the fecal sewage can be improved through the high-speed crushing and the cyclic treatment of the first compound microorganism and the second compound microorganism, the siltation of the fecal treatment system for loading the microorganisms with the composite material can be further reduced, the effect of removing the sludge and the siltation without manual opening can be achieved, and the cleanliness of the purified water produced by the fecal treatment system for loading the microorganisms with the composite material can be improved.
The invention also provides a mobile toilet using the fecal treatment system using the composite material to load the microorganisms, and the mobile toilet has the advantages of no sewage and waste residue discharge, environmental protection and energy saving performance and low use cost.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A fecal treatment system using composite material to load microorganism is used for the purification treatment of fecal sewage of a mobile toilet and is characterized by comprising a water storage tank, an aeration treatment device, an anaerobic treatment device and a sterilization and decoloration device which are sequentially communicated from upstream to downstream;
the aeration treatment device is provided with a first purification treatment module; the anaerobic treatment device is provided with a second purification treatment module;
the sterilization and decoloration device is used for performing sterilization, oxidation and color fading treatment on the excrement and urine sewage;
the first purification treatment module and the second purification treatment module respectively comprise a plurality of layers of cedar sawdust filling layers and a plurality of layers of oyster shell filling layers; the oyster shell filling layers are filled between two adjacent Chinese fir sawdust filling layers;
the cedar sawdust filling layer and the oyster shell filling layer which are positioned on the first purification treatment module are both adsorbed with first compound microorganisms;
the first complex microorganism comprises one or more of bacteria or a enzyme for decomposing proteins, creatinine, urea, uric acid, chitophile, starch, and cellulose;
the fir chip filling layer and the oyster shell filling layer in the second purification treatment module are both adsorbed with second compound microorganisms;
the second complex microorganism comprises aquatic denitrifying bacteria and/or Thiobacillus denitrificans;
the fecal sewage is purified by the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device in sequence, and then is introduced into the water storage tank by microporous filtration, and the purified water in the water storage tank is used for washing hands and flushing toilets.
2. A system for treating excrement and urine by loading microbes with composite material according to claim 1, wherein said sterilization and decolorization means is provided with a decolorization treatment module;
the decoloring processing module comprises a plurality of layers of cedar sawdust carbonization plates and a plurality of layers of coconut shell activated carbon filling layers; the coconut shell activated carbon filling layer is filled between the two adjacent cedar chip carbonization plates.
3. A microorganism-loaded fecal treatment system according to claim 2, wherein a sewage collection device, a solid-liquid separation device and a high speed crushing device are further provided in front of the input end of the aeration treatment device;
the fecal sewage flowing out of the toilet is guided into the sewage collecting device, the fecal sewage flowing out of the sewage collecting device is separated into sludge and dirty liquid through the solid-liquid separating device, and the sludge and the dirty liquid are respectively input into the aeration treatment device after being milled and refined by the high-speed crushing device.
4. A system for treating feces and urine by using composite material loaded with microorganisms, as claimed in claim 3, wherein the bottom of the aeration treatment device, the bottom of the anaerobic treatment device and the bottom of the sterilization and decoloration device are respectively provided with a sewage discharge pipe communicated with the sewage collection device;
the solid sediments deposited at the bottoms of the aeration treatment device, the anaerobic treatment device and the sterilization and decoloration device are regularly guided into the sewage collection device through the sewage discharge pipe.
5. A system for treating manure having microorganisms supported on composite material according to claim 2, wherein the aeration treatment means further comprises an aeration tube and an air pump;
the pipe wall of the aeration pipe is provided with a plurality of air outlet through holes, and the plurality of aeration pipes are uniformly distributed and arranged below the cedar chip filling layer at the lowest layer;
the output port of the air pump is communicated with the aeration pipe, and the input port of the air pump is communicated with the outside.
6. A system for treating manure having microorganisms supported on composite materials according to claim 5, further comprising an exhaust gas treatment tank;
the aeration treatment device and the anaerobic treatment device are respectively provided with an input port, a discharge port and an exhaust pipe;
the peripheral edges of the plurality of fir chip filling layers positioned in the first purification treatment module and the second purification treatment module respectively abut against the peripheral edges of the aeration treatment device and the anaerobic treatment device along the horizontal direction;
the input ports of the aeration treatment device and the anaerobic treatment device are respectively positioned below the China fir sawdust filling layer of the corresponding lowest layer;
the two water outlets in the aeration treatment device and the anaerobic treatment device are respectively positioned above the fir chip filling layer at the corresponding uppermost layer;
the discharge port of the aeration treatment device is communicated with the input port of the anaerobic treatment device;
the water outlet of the anaerobic treatment device is communicated with the bottom of the sterilization and decoloration device;
the inlet ends of the two exhaust pipes are respectively communicated with the tops of the aeration treatment device and the anaerobic treatment device, and the outlet ends of the two exhaust pipes are respectively communicated with the waste gas treatment tank.
7. A system for treating feces and urine with microorganisms loaded by composite materials, according to claim 6, further comprising a microporous filter disposed after the output end of the sterilization and decolorization device;
the sterilization and decoloration device is also provided with an ultraviolet lamp, an ozone generator and a tail gas pipe;
the peripheral edges of the China fir sawdust carbonization plates in the decoloring processing module respectively abut against the peripheral edges of the sterilizing and decoloring device along the horizontal direction;
the light of the ultraviolet lamp radiates and covers the upside of the cedar chip carbonized board on the uppermost layer;
a plurality of ozone air outlets of the ozone generator are uniformly distributed and arranged below the cedar chip carbonization plate at the lowest layer;
the inlet end of the tail gas pipe is communicated with the top of the sterilization and decoloration device, and the outlet end of the tail gas pipe is communicated with the waste gas treatment tank;
purified water passes in proper order from the below the decoloration processing module the lower floor fir saw-dust carbide board, multilayer coconut husk active carbon filling layer and the superiors flow in behind the fir saw-dust carbide board microporous filter, the warp microporous filter filterable filtrating is discharged the storage water tank, the filter residue is discharged sludge collector.
8. A portable lavatory comprising the microorganism-loaded composite manure treatment system of any one of claims 1 to 7, a hand washing faucet, a toilet stool, a sewage collector, an air conditioning unit, and a solar power supply;
the hand washing faucet and the flushing port of the toilet are respectively communicated with the water storage tank;
introducing fecal sewage for flushing the toilet into the sewage collector;
the solar power supply provides power supply and lighting power supply for equipment needing electric power.
9. The portable lavatory according to claim 8, wherein the aeration treatment unit and the anaerobic treatment unit are adjusted to an ambient temperature of 18 to 35 ℃ by the air-conditioning unit.
10. The portable lavatory according to claim 8, wherein the sewage collector is provided with a liquid level sensor, when the liquid level of the sewage collector reaches a lowest set liquid level, the liquid level sensor triggers the operation of the microorganism-loaded fecal sewage treatment system, and the sewage collector starts to output fecal sewage; when the highest set liquid level is reached, the liquid level sensor triggers and stops running the excrement and urine treatment system which uses the composite material to load the microorganisms, and the sewage collector stops outputting the excrement and sewage.
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