CN115196816A - Environment-friendly public toilet system device - Google Patents
Environment-friendly public toilet system device Download PDFInfo
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- CN115196816A CN115196816A CN202210623694.9A CN202210623694A CN115196816A CN 115196816 A CN115196816 A CN 115196816A CN 202210623694 A CN202210623694 A CN 202210623694A CN 115196816 A CN115196816 A CN 115196816A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 217
- 238000011010 flushing procedure Methods 0.000 claims abstract description 100
- 239000010865 sewage Substances 0.000 claims abstract description 90
- 238000011282 treatment Methods 0.000 claims abstract description 57
- 238000000926 separation method Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 230000003750 conditioning effect Effects 0.000 claims abstract description 23
- 230000015556 catabolic process Effects 0.000 claims abstract description 17
- 238000006731 degradation reaction Methods 0.000 claims abstract description 17
- 230000001502 supplementing effect Effects 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 9
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000008213 purified water Substances 0.000 claims abstract description 3
- 230000003647 oxidation Effects 0.000 claims description 36
- 238000007254 oxidation reaction Methods 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 19
- 239000003344 environmental pollutant Substances 0.000 claims description 12
- 231100000719 pollutant Toxicity 0.000 claims description 12
- 239000008394 flocculating agent Substances 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 8
- 239000003124 biologic agent Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 6
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 6
- 238000004332 deodorization Methods 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 230000002550 fecal effect Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 230000000844 anti-bacterial effect Effects 0.000 claims description 3
- 239000003899 bactericide agent Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 238000000909 electrodialysis Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000011221 initial treatment Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 238000001728 nano-filtration Methods 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 238000005373 pervaporation Methods 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000000108 ultra-filtration Methods 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- -1 alkalis Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46176—Galvanic cells
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
-
- 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
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F2307/00—Location of water treatment or water treatment device
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses an environment-friendly public toilet system device, which comprises a public toilet building main body, a toilet, a main sewer pipeline, a solid-liquid separation device, a conditioning device, a sewage treatment device and a reuse water device, wherein excrement sewage is collected to the main sewer pipeline positioned at the lower part of the toilet by the toilet, flows to the solid-liquid separation device from the main sewer pipeline for precipitation and anaerobic degradation, solid substances are periodically discharged, the sewage enters the conditioning device for conditioning components, the outlet water of the conditioning device is connected with the sewage treatment device through a pipeline and enters the reuse water device after being treated by the sewage treatment device, and the reuse water device can further purify the water quality and reuse the purified water for flushing the toilet, and incremental water is transported outside or used for supplementing water to peripheral plants. The invention has good water-saving and odor-resistant performance, can carry out deep purification treatment on the excrement and sewage, can recycle the treated water, can repeatedly utilize water resources while greatly reducing the water consumption of public toilets, does not pollute the environment, and plays a good role in protecting the ecological environment.
Description
Technical Field
The invention relates to the technical field of environment-friendly public toilet system devices, in particular to an environment-friendly public toilet system device.
Background
The ecological toilet can be generally divided into a circulating water-flushing toilet and a water-flushing-free toilet. The circulating water flushing type toilet utilizes the domesticated active strains to decompose, deodorize and purify excrement, and then the generated water is used for flushing the toilet, so that the existing circulating water flushing type toilet has poor water-saving performance and bad deodorization effect. The water-free flushing toilet is mainly a waterless packing type toilet, namely, excrement is directly packed into a special plastic bag and then packed and intensively cleaned.
Therefore, the invention provides the environment-friendly public toilet system device which has good water-saving and odor-resistant performance, can carry out deep purification treatment on excrement and sewage and can recycle the treated water.
Disclosure of Invention
The invention aims to provide an environment-friendly public toilet which can greatly reduce water consumption, enables water resources to be recycled and has a good protection effect on the ecological environment. The invention has good water-saving and odor-resistant performance, can carry out deep purification treatment on the excrement and sewage, can recycle the treated water, can repeatedly utilize water resources while greatly reducing the water consumption of public toilets, does not pollute the environment, has good ecological environment protection performance, and is suitable for being popularized and used as an environment-friendly public toilet device facility.
In order to achieve the purpose, the invention adopts the following technical scheme:
an environment-friendly public toilet system device is characterized in that the environment-friendly public toilet device comprises a public toilet building main body, a toilet stool, a sewer main pipeline, a solid-liquid separation device, a conditioning device, a sewage treatment device and a reuse water device, wherein the public toilet building main body can be an assembly type building main body;
the excrement sewage is collected by the toilet and then discharged to a main sewer pipe located in the underground layer of the assembled building main body, and automatically flows into a solid-liquid separation device through the main sewer pipe, the solid-liquid separation device carries out anaerobic degradation on the excrement sewage, and solid substances are discharged periodically after precipitation, so that the excrement sewage is subjected to primary treatment; the effluent of the solid-liquid separation device enters a tempering device through a sewage connecting pipeline to adjust the components of the sewage;
the sewage with the components adjusted by the hardening and tempering device automatically flows into a sewage treatment device, and the water body treated by the sewage treatment device is lifted by a pump in the sewage treatment device to enter a reuse water device;
the reuse water device is connected with a water receiver in the toilet control box through a pipeline assembly with a switch valve, the reuse water device can purify a water body and reuse the purified water for flushing the toilet, and incremental water generated by the device system can be periodically transported outside or used for irrigating plants through an external pipeline;
through the solid-liquid separation device, the conditioning device, the sewage treatment device and the reuse water device, the deep purification treatment can be carried out on the excrement and sewage, the treated water can be recycled, and the water consumption of public toilets can be greatly reduced while the water resource can be reused.
The toilet and the main sewer pipe are arranged in the public toilet building main body, when the public toilet building main body is of an assembly type building main body structure, the assembly type building main body is provided with a ground toilet area and a main sewer pipe installation area in the underground layer, and the ground toilet area is provided with an equipment room;
the toilet is arranged in a ground toilet area, the solid-liquid separation device, the conditioning device and the sewage treatment device are buried behind the fabricated building, the reuse water device is arranged in an equipment room of the ground toilet area, and the height of the underground layer arranged below the ground of the fabricated building main body can be 50-150 cm.
The environment-friendly public toilet system device is characterized in that the whole main sewer line is positioned at the underground layer of the assembly type building main body, the elevation of the main sewer line is 20-100 cm below the ground of the assembly type building main body, and the gradient of the main sewer line is not less than 1%;
the upper end of the main sewer pipeline is provided with a flushing interface, the flushing interface is connected with the outlet end of a flushing pump, the inlet end of the flushing pump is connected with a reuse water device through a pipeline with a switch valve, and the main sewer pipeline is flushed by the flushing pump at irregular large flow, so that the clogging of the main sewer pipeline can be avoided.
The above-mentioned environmental protection type public toilet system device, wherein the toilet bowl can be one or a combination of more than one of a traditional water flush urinal, a traditional water flush squatting pan, a traditional water flush toilet bowl, a vacuum urinal, a vacuum squatting pan and a vacuum toilet bowl;
the toilet bowl can be a vacuum toilet bowl which consists of a toilet bowl part and a gas-water control system, wherein the toilet bowl part comprises a closing type toilet bowl, a drain valve, a flushing water nozzle, a flushing water storage supercharging device and a vacuum device, and the closing type toilet bowl can be one or more of a urinal, a squatting pan and a toilet bowl;
the bottom of the vacuum toilet is connected with a section of hard pipe through a rubber right-angle elbow, the length of the hard pipe is not less than 20cm, the tail end of the hard pipe is provided with a vacuum device, the vacuum device is connected with compressed air, and negative pressure is formed in the hard pipe through rapid airflow generated by the compressed air; when a flushing button of the vacuum toilet is pressed, a vacuum device of the vacuum toilet is started, negative pressure can be formed in a hard pipe at the bottom of the vacuum toilet, then a blow-down valve is opened, excrement and sewage are sucked into a sewer main pipe, meanwhile flushing water nozzles are distributed around the upper part of a closed toilet, the flushing water nozzles are driven by a flushing water storage supercharging device, the flushing water nozzles spray water to flush the toilet, a toilet part of the vacuum toilet can save water and generate negative pressure suction, and the vacuum toilet is good in deodorization effect;
the gas-water control system comprises a flushing button, a filtering and pressure regulating valve, an electromagnetic valve, a control system parameter setting device and a flushing water storage pressurizing device, wherein a control program system is arranged in the control system parameter setting device, and can control and regulate flushing time (time setting range is 0-10 s), vacuum device inflation time (time setting range is 0-10 s), blowdown valve opening time (time setting range is 0-10 s) and interval time (time setting range is 0-5 s) between the vacuum device inflation and the blowdown valve opening; the filtering and pressure regulating valve is arranged on a compressed air pipeline connected with the vacuum toilet, the air pressure range in the compressed air pipeline is 0.25-0.4 Mpa, and the filtering and pressure regulating valve can filter and regulate the pressure of compressed air entering the flushing water storage pressurizing device, the vacuum device and the blow-down valve;
the flushing button can be connected with the control system parameter setting device, and a vacuum device, a flushing water storage pressurizing device, an electromagnetic valve and a blow-down valve are started through a program set by the control system parameter setting device to complete a toilet flushing process;
the flushing water storage supercharging device is connected with a water outlet pipe of the reuse water device and a compressed air pipeline provided with a filtering pressure regulating valve, and the water pressure in the flushing water storage supercharging device can be regulated through the filtering pressure regulating valve.
The solid-liquid separation device can be of a buried structure, the retention time of the excrement and sewage in the solid-liquid separation device is not less than 24 hours, and meanwhile, one or more than one of a biological microbial agent and a flocculating agent can be added into the solid-liquid separation device, so that the degradation rate of pollutants in the excrement and sewage and the precipitation separation effect of solid impurities are improved.
The utility model provides an foretell public latrine system device, wherein, the quenching and tempering device can adjust the component in the sewage, the quenching and tempering device can be one or more composite set among ozone catalytic oxidation device, the little electrolytic device of iron carbon, electro-catalytic oxidation device, fenton oxidation device, the ultraviolet irradiation device, and the quenching and tempering device can reduce the pollutant concentration that solid-liquid separation goes out the aquatic, improves the biochemical degradation effect of pollutant.
The environment-friendly public toilet system device can be of a buried structure, and the retention time of sewage in the sewage treatment device is not less than 15 hours, so that the sewage treatment effect is good;
the sewage treatment device can contain one or more than one combination of anaerobic, anoxic and aerobic biochemical treatment units, one or more than one combination of biological agents, flocculating agents and carbon sources can be added into the biochemical unit of the sewage treatment device, the rapid growth and reproduction of microorganisms in excrement and sewage can be promoted, the pollutant degradation and solid-liquid separation effects are improved, and water treated by the sewage treatment device is pumped and lifted into a reuse water device in an equipment room.
The above-mentioned environment-friendly public toilet system device, wherein, the reuse water device is composed of one or more of a water tank, a membrane unit, an advanced oxidation unit, and a dosing unit;
the membrane unit can be one or more of ultrafiltration, nanofiltration, reverse osmosis, pervaporation, membrane distillation and electrodialysis;
the advanced oxidation unit can be one or more of ozone catalytic oxidation, iron-carbon micro-electrolysis, electrocatalytic oxidation, fenton oxidation and ultraviolet light degradation;
one or more of a biological agent, a flocculating agent, an acid, an alkali, a bactericide and an oxidant can be added into the dosing unit;
when the reuse water device consists of a water tank, a membrane unit, an advanced oxidation unit and a dosing unit, a water outlet of the water tank is connected with a water inlet of the advanced oxidation unit, a water outlet of the advanced oxidation unit is connected with a water inlet of the membrane unit, effluent of the membrane unit is reused for flushing a toilet or supplementing water for peripheral plants, and the dosing unit is connected with the membrane unit and the advanced oxidation unit through pipelines;
the reuse water device is also provided with an external water supplementing interface and a reuse water interface with a switch valve, the external water supplementing interface can be connected with an external water supply facility through a pipeline to supplement water into the water tank, and the return water interface with the switch valve can be connected with the toilet through a pipeline, so that the treated water can be reused for flushing the toilet.
Compared with the prior art, the invention provides an environment-friendly public toilet system device, which has the following beneficial effects:
1. the environment-friendly public toilet system device adopts multi-stage water treatment technologies such as a solid-liquid separation device, a conditioning device, a sewage treatment device and a reuse water device to carry out deep purification treatment on the excrement and sewage, and the treated water is connected with a toilet stool through a pipeline assembly with a switch valve and is used for flushing the toilet stool and is not directly discharged outside. The environment-friendly public toilet system device has good overall water-saving effect, can greatly reduce the water consumption of public toilets and can recycle water resources; the solid-liquid separation device is used for carrying out preliminary degradation, solid sundries and liquid precipitation separation on the fecal sewage, the quantity of excrement needing to be cleared is reduced, only the solid residues need to be cleared regularly in the subsequent actual use, the fecal sewage clearing cost and frequency can be reduced, and secondary pollution caused by leakage in the process of clearing the excrement is avoided;
the public toilet system device can be used for selecting and matching the forms of different toilets, the process types of the conditioning device and the sewage treatment device, the process combination mode of the reuse water device and the types of the chemicals added by the chemical adding unit according to different use conditions and actual needs, so that the public toilet system device is ensured to be more in line with the actual use requirements.
Drawings
FIG. 1 is a schematic view of the overall process of an environmental protection type public toilet system device according to the present invention;
FIG. 2 is a schematic diagram of the spatial arrangement of the public toilet building main body, the toilet, the main sewer pipe, the solid-liquid separation device, the conditioning device, the sewage treatment device and the reuse water device of the environment-friendly public toilet system device provided by the invention;
FIG. 3 is a schematic view showing the connection between the overall structure of a vacuum toilet and a gas-water control system when the toilet in the environment-friendly public toilet system device provided by the present invention is a vacuum toilet;
fig. 4 is a schematic view showing that when the toilet in the environment-friendly public toilet system device provided by the invention is a vacuum toilet, the control system panel of the vacuum toilet is embedded on the wall of the ground toilet adjacent to the toilet.
In the remark figures: 1. a closed-type toilet; 2. a toilet flushing water nozzle; 3. a blowoff valve; 4. a rubber elbow bend; 5. a vacuum device; 6. a hard pipe section; 7. a wash water storage pressurizing device; 8. a control system parameter setting device; 9. an air source branching unit; 10. filtering the pressure regulating valve; 11. an electromagnetic valve; 12. a flush button; 13. a gas-water control system panel; 14. air water control system panel cabinet door.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "rear", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Example 1:
referring to fig. 1, 2, 3 and 4, an environment-friendly public toilet system device is characterized in that the environment-friendly public toilet device comprises a public toilet building main body, a toilet, a sewer main pipe, a solid-liquid separation device, a conditioning device, a sewage treatment device and a reuse water device, wherein the public toilet building main body can be an assembled building main body;
the excrement sewage is collected by the toilet and then discharged to a main sewer pipe located in the underground layer of the main body of the fabricated building, and automatically flows into a solid-liquid separation device through the main sewer pipe, the solid-liquid separation device carries out anaerobic degradation on the excrement sewage, and solid substances are periodically discharged after precipitation, so that the excrement sewage is subjected to primary treatment; the effluent of the solid-liquid separation device enters a conditioning device through a sewage connecting pipeline to adjust the components of the sewage;
the sewage with the components adjusted by the hardening and tempering device automatically flows into a sewage treatment device, and the water body treated by the sewage treatment device is lifted by a pump in the sewage treatment device to enter a reuse water device;
the reuse water device is connected with a water receiver in the toilet control box through a pipeline assembly with a switch valve, the reuse water device can purify water and use the purified reuse water for flushing the toilet, and incremental water generated by the device system can be periodically transported outside or used for irrigating plants through an external pipeline;
through the solid-liquid separation device, the conditioning device, the sewage treatment device and the reuse water device, the deep purification treatment can be carried out on the excrement and sewage, the treated water can be recycled, and the water consumption of public toilets can be greatly reduced while the water resource can be reused;
the toilet and the sewer main pipeline are arranged in the public toilet building main body, when the public toilet building main body is of an assembly type building main body structure, the assembly type building main body is provided with a ground toilet area and an underground layer sewer main pipeline installation area, and the ground toilet area is provided with an equipment room;
the toilet is arranged in a ground toilet area, the solid-liquid separation device, the conditioning device and the sewage treatment device are buried behind the fabricated building, the reuse water device is arranged in an equipment room of the ground toilet area, the assembled building body is arranged in a ground layer below the ground, and the layer height range can be 50-150 cm;
the main sewer line is integrally positioned at the underground layer of the assembly type building main body, the elevation of the main sewer line is 20-100 cm below the ground of the assembly type building main body, and the gradient of the main sewer line is not less than 1%;
the upper end part of the main sewer pipe is provided with a flushing interface, the flushing interface is connected with the outlet end of a flushing pump, the inlet end of the flushing pump is connected with a reuse water device through a pipeline with a switch valve, and the main sewer pipe is flushed by the flushing pump at irregular large flow, so that the clogging of the main sewer pipe can be avoided;
the toilet can be one or more of a traditional water-flushing urinal, a traditional water-flushing squatting pan, a traditional water-flushing toilet bowl, a vacuum urinal, a vacuum squatting pan and a vacuum toilet bowl;
the toilet bowl can be a vacuum toilet bowl, the vacuum toilet bowl consists of a toilet bowl part and a gas-water control system, the toilet bowl part comprises a closing type toilet bowl, a blowdown valve, a flushing water nozzle, a flushing water storage supercharging device and a vacuum device, and the closing type toilet bowl can be one or more of a urinal, a squatting pan and a toilet bowl;
the bottom of the vacuum toilet is connected with a section of hard pipe through a rubber right-angle elbow, the length of the hard pipe is not less than 20cm, the tail end of the hard pipe is provided with a vacuum device, the vacuum device is connected with compressed air, and negative pressure is formed in the hard pipe through rapid airflow generated by the compressed air; when a flushing button of the vacuum toilet is pressed, a vacuum device of the vacuum toilet is started, negative pressure can be formed in a hard pipe at the bottom of the vacuum toilet, then a blow-down valve is opened, excrement and sewage are sucked into a sewer main pipe, meanwhile flushing water nozzles are distributed around the upper part of a closed toilet, the flushing water nozzles are driven by a flushing water storage supercharging device, the flushing water nozzles spray water to flush the toilet, a toilet part of the vacuum toilet can save water and generate negative pressure suction, and the vacuum toilet is good in deodorization effect;
the air-water control system comprises a flushing button, a filtering and pressure regulating valve, an electromagnetic valve, a control system parameter setting device and a flushing water storage supercharging device, wherein a control program system is arranged in the control system parameter setting device, and can control and regulate flushing time (time setting range is 0-10 s), vacuum device inflation time (time setting range is 0-10 s), blowdown valve opening time (time setting range is 0-10 s) and interval time (time setting range is 0-5 s) between the vacuum device inflation and the blowdown valve opening; the filtering and pressure regulating valve is arranged on a compressed air pipeline connected with the vacuum toilet, the air pressure range in the compressed air pipeline is 0.25-0.4 Mpa, and the filtering and pressure regulating valve can filter and regulate the pressure of compressed air entering the flushing water storage pressurizing device, the vacuum device and the blow-down valve;
the flushing button can be connected with the control system parameter setting device, and a vacuum device, a flushing water storage pressurizing device, an electromagnetic valve and a blow-down valve are started through a program set by the control system parameter setting device to complete a toilet flushing process;
the flushing water storage supercharging device is connected with a water outlet pipe of the reuse water device and a compressed air pipeline provided with a filtering and pressure regulating valve, and the water pressure in the flushing water storage supercharging device can be regulated through the filtering and pressure regulating valve;
the solid-liquid separation device can be of a buried structure, the retention time of the excrement and sewage in the solid-liquid separation device is not less than 24 hours, and meanwhile, one or more than one of a biological microbial agent and a flocculating agent can be added into the solid-liquid separation device, so that the degradation rate of pollutants in the excrement and sewage and the precipitation separation effect of solid impurities are improved;
the conditioning device can adjust components in the sewage, the conditioning device can be one or more of an ozone catalytic oxidation device, an iron-carbon micro-electrolysis device, an electrocatalytic oxidation device, a Fenton oxidation device and an ultraviolet irradiation device, and the conditioning device can reduce the concentration of pollutants in the water discharged from the solid-liquid separation device and improve the biochemical degradation effect of the pollutants;
the sewage treatment device can be of a buried structure, and the retention time of sewage in the sewage treatment device is not less than 15 hours, so that the sewage treatment effect is good;
the sewage treatment device can comprise one or more of anaerobic treatment units, anoxic treatment units and aerobic treatment units, one or more of biological agents, flocculating agents and carbon sources can be added into the biochemical units of the sewage treatment device, a biochemical area in the sewage treatment device can promote the rapid growth and propagation of microorganisms in the excrement and sewage, the pollutant degradation and solid-liquid separation effects are improved, and water treated by the sewage treatment device is pumped and lifted into a reuse water device in the equipment room;
the reuse water device consists of one or more than one of a water tank, a membrane unit, an advanced oxidation unit and a dosing unit;
the membrane unit can be one or more of ultrafiltration, nanofiltration, reverse osmosis, pervaporation, membrane distillation and electrodialysis;
the advanced oxidation unit can be one or more of ozone catalytic oxidation, iron-carbon micro-electrolysis, electrocatalytic oxidation, fenton oxidation and ultraviolet light degradation;
one or more of biological agents, flocculating agents, acids, alkalis, bactericides and oxidizing agents can be added into the dosing unit;
when the reuse water device consists of a water tank, a membrane unit, an advanced oxidation unit and a dosing unit, the water outlet of the water tank is connected with the water inlet of the advanced oxidation unit, the water outlet of the advanced oxidation unit is connected with the water inlet of the membrane unit, the effluent of the membrane unit is reused for flushing a toilet or supplementing water for peripheral plants, and the dosing unit is connected with the membrane unit and the advanced oxidation unit through pipelines;
the reuse water device is also provided with an external water supplementing interface and a reuse water interface with a switch valve, the external water supplementing interface can be connected with an external water supply facility through a pipeline to supplement water into the water tank, and the return water interface with the switch valve can be connected with the toilet through the pipeline, so that the treated reuse water can be reused for flushing the toilet.
Example 2:
referring to fig. 3 and 4, the embodiment 1 is taken as the basic, except that, in order to improve the overall deodorization performance of the toilet apparatus and the cleaning effect of the recycled water flushing toilet, the toilet may be a vacuum toilet, which is composed of a closed-type toilet 1, a toilet flushing water nozzle 2, a blowoff valve 3, a rubber right-angle elbow 4, a vacuum device 5, a hard pipe segment 6, a flushing water storage pressurizing device 7, a control system parameter setting device 8, an air source branching unit 9, a filtering and pressure regulating valve 10, an electromagnetic valve 11, and a flushing button 12;
the periphery of the upper part of the inner wall of the vacuum toilet 1 is distributed with toilet flushing water nozzles 2, the bottom of the toilet is connected with a blow-down valve 3, the blow-down valve 3 is connected with a hard pipe 6 through a rubber right-angle elbow 4, and the steering of the rubber right-angle elbow 4 can be flexibly adjusted according to actual needs; the length of the hard pipe section 6 is not less than 20cm, the tail end of the hard pipe is connected with a vacuum device, and the vacuum device is connected with a compressed air pipeline;
the air-water control system 13 can be embedded in a wall or a dado, the water outlet of a reuse water device in the control system is connected with a flushing water storage supercharging device 7, the flushing water storage supercharging device 7 is communicated with a toilet flushing water nozzle 2 through a pipeline connected with an electromagnetic valve 11, and compressed air is connected with an air source branching unit 9 through a filtering and pressure regulating valve 10; the filtering and pressure regulating valve 10 can filter the delivered compressed air, and can regulate the compressed air according to the differential pressure required by the arrangement of different toilet pipelines, so that the pipelines are protected from gas overflow due to too high pressure, and the normal use function is not influenced due to too low pressure; wherein, the part A in the figure 3 is connected with the reuse water device through an external reuse water pipeline, the part B in the figure 3 is connected with an external compressed air supply device through a compressed air pipeline, and the air pressure range in the compressed air pipeline is 0.25-0.4 Mpa; in FIG. 3, the position C is connected with a main sewer pipe through a sewage discharge pipe;
the air source branching unit 9 is used for distributing compressed air into three paths, one path of compressed air is supplied to the blow-down valve 3, and the opening and closing of the blow-down valve 3 are controlled; one path is supplied to a vacuum device 5 and is used for generating negative pressure in the hard pipe section 6; one path of the water is supplied to a flushing water storage pressurizing device 7 and is used for enhancing the pressure of flushing water, so that the flushing effect is improved, and meanwhile, the flushing water quantity can be saved;
the control system panel 13 can be embedded in a wall body of a ground toilet close to the toilet, a control system panel cabinet door 14 is provided with a flushing button 12, the flushing button 12 can control whether the vacuum toilet works, the flushing button 12 is connected with a control system parameter setting device in the control system panel 13, the control system parameter setting device can write a control program, and the control program can set flushing time (time setting range of 0-10 s), vacuum device inflation time (time setting range of 0-10 s), blowdown valve opening time (time setting range of 0-10 s) and interval time (time setting range of 0-5 s) between the vacuum device inflation and the blowdown valve opening.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. An environment-friendly public toilet system device is characterized in that the environment-friendly public toilet device comprises a public toilet building main body, a toilet, a sewer main pipeline, a solid-liquid separation device, a conditioning device, a sewage treatment device and a reuse water device;
the public toilet building main body can be an assembly type building main body, wherein excrement sewage is collected by a toilet and then discharged to a main sewer pipe located in the underground layer of the assembly type building main body, and automatically flows into a solid-liquid separation device through the main sewer pipe, the solid-liquid separation device carries out anaerobic degradation on the excrement sewage, solid substances are discharged periodically after precipitation, and the excrement sewage is subjected to primary treatment; the effluent of the solid-liquid separation device enters a tempering device through a sewage connecting pipeline to adjust the components of the sewage;
the sewage with the components adjusted by the hardening and tempering device automatically flows into a sewage treatment device, and the water body treated by the sewage treatment device is lifted by a pump in the sewage treatment device to enter a reuse water device;
the reuse water device is connected with a water storage device in the toilet control box through a pipeline assembly with a switch valve, the reuse water device can purify a water body and reuse the purified water for flushing a toilet, and incremental water generated by the device system can be periodically transported outside or used for irrigating plants through an external pipeline;
through the solid-liquid separation device, the conditioning device, the sewage treatment device and the reuse water device, the deep purification treatment can be carried out on the excrement and sewage, the treated water can be recycled, and the water consumption of public toilets can be greatly reduced while the water resource can be reused.
2. The environment-friendly public toilet system device according to claim 1, wherein the toilet and the main sewer line are arranged in a public toilet building main body, when the public toilet building main body is a fabricated building main body structure, the fabricated building main body has a ground toilet area and a main sewer line installation area in the underground layer, and the ground toilet area has an equipment room;
the toilet is arranged in a ground toilet area, the solid-liquid separation device, the conditioning device and the sewage treatment device are buried behind the fabricated building, the reuse water device is arranged in an equipment room of the ground toilet area, and the height of the underground layer arranged below the ground of the fabricated building main body can be 50-150 cm.
3. The environment-friendly public toilet system device according to claim 1, wherein the main sewer line is located in the underground floor of the prefabricated building body as a whole, the elevation of the main sewer line is 20-100 cm below the ground of the prefabricated building body, and the gradient of the main sewer line is not less than 1%;
the upper end of the main sewer pipeline is provided with a flushing interface, the flushing interface is connected with the outlet end of a flushing pump, the inlet end of the flushing pump is connected with a reuse water device through a pipeline with a switch valve, and the main sewer pipeline is flushed by the flushing pump at irregular large flow, so that the clogging of the main sewer pipeline can be avoided.
4. The environment-friendly public toilet system device according to claim 1, wherein the toilet can be one or a combination of more than one of a traditional water flush urinal, a traditional water flush squatting pan, a traditional water flush toilet bowl, a vacuum urinal, a vacuum squatting pan and a vacuum toilet bowl;
the toilet bowl can be a vacuum toilet bowl, the vacuum toilet bowl consists of a toilet bowl part and a gas-water control system, the toilet bowl part comprises a closing type toilet bowl, a blowdown valve, a flushing water nozzle, a flushing water storage supercharging device and a vacuum device, and the closing type toilet bowl can be one or more of a urinal, a squatting pan and a toilet bowl;
the bottom of the vacuum toilet is connected with a section of hard pipe through a rubber right-angle elbow, the length of the hard pipe is not less than 20cm, the tail end of the hard pipe is provided with a vacuum device, the vacuum device is connected with compressed air, and negative pressure is formed in the hard pipe through rapid airflow generated by the compressed air; when a flushing button of the vacuum toilet is pressed, a vacuum device of the vacuum toilet is started, negative pressure can be formed in a hard pipe at the bottom of the vacuum toilet, then a blow-down valve is opened, excrement and sewage are sucked into a sewer main pipe, meanwhile flushing water nozzles are distributed around the upper part of a closed toilet, the flushing water nozzles are driven by a flushing water storage supercharging device, the flushing water nozzles spray water to flush the toilet, a toilet part of the vacuum toilet can save water and generate negative pressure suction, and the vacuum toilet is good in deodorization effect;
the air-water control system comprises a flushing button, a filtering and pressure regulating valve, an electromagnetic valve, a control system parameter setting device and a flushing water storage supercharging device, wherein a control program system is arranged in the control system parameter setting device, can control and regulate flushing time, vacuum device inflation time, blowdown valve opening time and interval time between vacuum device inflation and blowdown valve opening, can control and regulate flushing time to be 0-10 s, can control and regulate vacuum device inflation time to be 0-10 s, can control and regulate blowdown valve opening time to be 0-10 s, and can control and regulate interval time between vacuum device inflation and blowdown valve opening to be 0-10 s; the filtering and pressure regulating valve is arranged on a compressed air pipeline connected with the vacuum toilet, the air pressure range in the compressed air pipeline is 0.25-0.4 Mpa, and the filtering and pressure regulating valve can filter and regulate the pressure of compressed air entering the flushing water storage supercharging device, the vacuum device and the blow-down valve;
the flushing button can be connected with the control system parameter setting device, and a vacuum device, a flushing water storage pressurizing device, an electromagnetic valve and a blow-down valve are started through a program set by the control system parameter setting device to complete a toilet flushing process;
the flushing water storage supercharging device is connected with a water outlet pipe of the reuse water device and a compressed air pipeline provided with a filtering pressure regulating valve, and the water pressure in the flushing water storage supercharging device can be regulated through the filtering pressure regulating valve.
5. The environment-friendly public toilet system device according to claim 1, wherein the solid-liquid separation device can be a buried structure, the retention time of the fecal sewage in the solid-liquid separation device is not less than 24 hours, and one or more than one combination of a biological agent and a flocculating agent can be added into the solid-liquid separation device, so that the degradation rate of pollutants in the fecal sewage and the precipitation separation effect of solid impurities are improved.
6. The environment-friendly public toilet system device according to claim 1, wherein the conditioning device can adjust the components in the sewage, the conditioning device can be one or more of an ozone catalytic oxidation device, an iron-carbon micro-electrolysis device, an electrocatalytic oxidation device, a Fenton oxidation device and an ultraviolet irradiation device, and the conditioning device can reduce the concentration of pollutants in the effluent of the solid-liquid separation device and improve the biochemical degradation effect of the pollutants.
7. The environment-friendly public toilet system device according to claim 1, wherein the sewage treatment device can be a buried structure, and the retention time of sewage in the sewage treatment device is not less than 15 hours, so that the sewage treatment effect is good;
the sewage treatment device can contain one or more of anaerobic treatment units, anoxic treatment units and aerobic treatment units, one or more of biological agents, flocculating agents and carbon sources can be added into the biochemical units in the sewage treatment device, the rapid growth and propagation of microorganisms in excrement and sewage can be promoted, the pollutant degradation and solid-liquid separation effects are improved, and water treated by the sewage treatment device is pumped and lifted into a reuse water device in an equipment room.
8. The environment-friendly public toilet system device according to claim 1, wherein the reuse water device is composed of one or more of a water tank, a membrane unit, an advanced oxidation unit and a dosing unit;
the membrane unit can be one or more of ultrafiltration, nanofiltration, reverse osmosis, pervaporation, membrane distillation and electrodialysis;
the advanced oxidation unit can be one or more of ozone catalytic oxidation, iron-carbon micro-electrolysis, electrocatalytic oxidation, fenton oxidation and ultraviolet light degradation;
one or more of a biological agent, a flocculating agent, an acid, an alkali, a bactericide and an oxidant can be added into the dosing unit;
when the reuse water device consists of a water tank, a membrane unit, an advanced oxidation unit and a dosing unit, a water outlet of the water tank is connected with a water inlet of the advanced oxidation unit, a water outlet of the advanced oxidation unit is connected with a water inlet of the membrane unit, effluent of the membrane unit is reused for flushing a toilet or supplementing water for peripheral plants, and the dosing unit is connected with the membrane unit and the advanced oxidation unit through pipelines;
the reuse water device is also provided with an external water supplementing interface and a reuse water interface with a switch valve, the external water supplementing interface can be connected with an external water supply facility through a pipeline to supplement water into the water tank, and the reuse water interface with the switch valve can be connected with the toilet through the pipeline, so that the treated water can be reused for flushing the toilet.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006239626A (en) * | 2005-03-04 | 2006-09-14 | Mitsubishi Heavy Ind Ltd | Treatment method of waste and treatment apparatus |
CN202831147U (en) * | 2012-10-19 | 2013-03-27 | 上海华杰生态环境工程有限公司 | Vacuum suction type environment-friendly mobile toilet |
CN205347138U (en) * | 2016-01-07 | 2016-06-29 | 成都友益佳环保设备工程有限公司 | Little biological purification system of energy -concerving and environment -protective type |
CN207749023U (en) * | 2017-12-11 | 2018-08-21 | 利乐生态环保工程(北京)有限公司 | Biological treatment anhydrous type environment protection water closet and its liquid discharges processing system |
CN210177636U (en) * | 2019-04-12 | 2020-03-24 | 广州市欧派卫浴有限公司 | Toilet for bathroom cabinet |
CN212403869U (en) * | 2020-05-28 | 2021-01-26 | 四川绿华宏远环保科技有限公司 | Closed circulation sewage treatment device for toilet |
CN212828382U (en) * | 2020-08-11 | 2021-03-30 | 无锡万里实业集团有限公司 | Vacuum excrement collecting system |
-
2022
- 2022-06-02 CN CN202210623694.9A patent/CN115196816A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006239626A (en) * | 2005-03-04 | 2006-09-14 | Mitsubishi Heavy Ind Ltd | Treatment method of waste and treatment apparatus |
CN202831147U (en) * | 2012-10-19 | 2013-03-27 | 上海华杰生态环境工程有限公司 | Vacuum suction type environment-friendly mobile toilet |
CN205347138U (en) * | 2016-01-07 | 2016-06-29 | 成都友益佳环保设备工程有限公司 | Little biological purification system of energy -concerving and environment -protective type |
CN207749023U (en) * | 2017-12-11 | 2018-08-21 | 利乐生态环保工程(北京)有限公司 | Biological treatment anhydrous type environment protection water closet and its liquid discharges processing system |
CN210177636U (en) * | 2019-04-12 | 2020-03-24 | 广州市欧派卫浴有限公司 | Toilet for bathroom cabinet |
CN212403869U (en) * | 2020-05-28 | 2021-01-26 | 四川绿华宏远环保科技有限公司 | Closed circulation sewage treatment device for toilet |
CN212828382U (en) * | 2020-08-11 | 2021-03-30 | 无锡万里实业集团有限公司 | Vacuum excrement collecting system |
Non-Patent Citations (1)
Title |
---|
郭冰等: "《物业设备设施维护与管理》", vol. 2014, 北京:中国财富出版社, pages: 112 - 113 * |
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Application publication date: 20221018 |