CN113429085A - Sewage treatment system for pull arm vehicle-mounted mobile toilet and water recycling method - Google Patents
Sewage treatment system for pull arm vehicle-mounted mobile toilet and water recycling method Download PDFInfo
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- CN113429085A CN113429085A CN202110889850.1A CN202110889850A CN113429085A CN 113429085 A CN113429085 A CN 113429085A CN 202110889850 A CN202110889850 A CN 202110889850A CN 113429085 A CN113429085 A CN 113429085A
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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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B1/042—Details thereof, e.g. valves or pumps
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- 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
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F3/28—Anaerobic digestion processes
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/30—Relating to industrial water supply, e.g. used for cooling
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Abstract
The invention discloses a sewage treatment system and a water recycling method for a pull arm vehicle-mounted mobile toilet, wherein the sewage treatment system sequentially comprises a pull arm vehicle-mounted mobile toilet sewage storage pool, an anaerobic storage degradation pool, a sewage filtering area, a microbial degradation pool, an ozone disinfection and sterilization pool and a purified water storage tank; according to the sewage treatment system configured for the draw arm vehicle-mounted mobile toilet, the degradation and treatment of sewage can be realized through the degradation of microorganisms and an ozone sterilization technology, and the sludge generated at the bottom of the anaerobic storage degradation tank and the microbial degradation tank can be removed in the degradation process through the arrangement of the bottom sludge removing mechanism, so that the characteristics of excrement accumulation and sewage discharge difficulty are avoided, the treated purified water is fully recycled, precious water resources are saved, the environmental protection concept is fully revealed, and the sewage treatment system is favorable for being popularized and used in the draw arm vehicle-mounted mobile toilet.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment system and a water recycling method for a pull arm vehicle-mounted mobile toilet.
Background
The portable lavatory is so named because of its portability, which is an opposite advantage to the conventional stationary lavatory, compared to the conventional lavatory. Along with the acceleration of the economic construction process and the increase of the civilization degree of China, the application of the mobile toilet is more and more extensive. The wastewater generated in the mobile toilet is difficult to discharge into a municipal pipe network due to the factors such as dispersibility and independence, the sewage in the toilet is directly discharged if not treated, the bad influence on the surrounding environment is caused, and the development of the mobile toilet is always limited by the sewage problem of the mobile toilet.
Anaerobic biological treatment is adopted at the present stage, and the anaerobic biological treatment is a process of decomposing organic matters in sewage or sludge by utilizing anaerobic microorganisms under the combined action of a plurality of microorganisms under an anaerobic condition and generating final products such as methane, carbon dioxide and the like. Under the condition of no oxygenation, anaerobic bacteria and facultative (aerobic and anaerobic) bacteria degrade organic pollutants, namely anaerobic digestion or fermentation, and decomposed products mainly comprise methane, a small amount of sludge and macromolecular organic matters; the existing mobile toilet sewage treatment system does not relate to the treatment of substances, sludge, impurities, macromolecular organic matters and harmful substances in water, and if the substances are not treated, the following effects are caused, and 1, the water taking of the mobile toilet is difficult; 2. the problems of blockage of a sewer pipeline and a circulating water pipeline and the like are caused; 3. the environment is not protected, and the environment around the mobile toilet is easily polluted; 4. the water quality of the circulating water source is difficult to reach the standard, and more harmful substances exist, so that the mobile toilet is difficult to popularize and use on a large scale due to the problems.
Disclosure of Invention
The invention provides a sewage treatment system and a water recycling method for a pull arm vehicle-mounted mobile toilet, which are used for solving the technical problems that sewage and sludge are difficult to treat and recycle, the conversion effect is poor, the environmental protection effect is poor and the like in the use process of the mobile toilet in the prior art. The sewage treatment system and the water recycling method for the pull arm vehicle-mounted mobile toilet enable sewage and sludge generated by the mobile toilet to be treated in an environment-friendly manner, and have the characteristics of energy conservation, recycling, good treatment effect and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a sewage treatment system and a water recycling method for a pull arm vehicle-mounted mobile toilet comprise the pull arm vehicle-mounted mobile toilet, wherein the pull arm vehicle-mounted mobile toilet is internally provided with the sewage treatment system, and the sewage treatment system sequentially comprises a pull arm vehicle-mounted mobile toilet sewage storage pool, an anaerobic storage degradation pool, a sewage filtering area, a microbial degradation pool, an ozone disinfection and sterilization pool and a purified water storage tank; the sewage storage pool, the anaerobic storage degradation pool, the sewage filtering area, the microbial degradation pool, the ozone sterilization and disinfection pool and the purified water storage tank of the vehicle-mounted mobile toilet are sequentially communicated;
the sewage storage tank of the pull arm vehicle-mounted mobile toilet is used for receiving and storing sewage generated by the pull arm vehicle-mounted mobile toilet during working, anaerobic bacteria can be added into the anaerobic storage degradation tank for anaerobic bacteria degradation of the sewage, the sewage filtering area is used for solid-liquid separation treatment of the sewage, aerobic bacteria can be added into the microbial degradation tank for aerobic bacteria degradation of the sewage, the ozone disinfection and sterilization tank is used for mixing ozone input tank with the sewage through an external ozone generator and a conduit to perform ozone disinfection treatment on the degraded sewage, the purified water storage tank is used for storing purified water, and a sediment removing mechanism is arranged at the bottom of the microbial degradation tank.
Preferably, the bottom mud removing mechanism comprises a bottom mud collecting bin and a bottom mud treating bin which are arranged at the bottom of the microbial degradation pool;
the bottom mud collecting bin is arranged above the bottom mud treating bin, a through type arrangement is arranged between the top of the bottom mud collecting bin and the bottom of the microbial degradation pool, a centrifugal extraction pump is installed in the bottom mud collecting bin, a pressing plate is arranged in an inner cavity of the bottom mud collecting bin, the pressing plate is arranged in an inclined shape, the end part of the pressing plate is movably connected with the bottom mud collecting bin through a pin shaft, a balancing weight is fixedly installed on the end face, away from the pin shaft, of the pressing plate, a steel wire is installed on the pressing plate, and at least two steel wire winding guide wheels are fixedly installed at the top of the bottom mud collecting bin;
through holes with trapezoidal sections are transversely arranged below the bottom mud collecting bin in an equally-divided manner, and the bottom mud collecting bin is communicated with the bottom mud treatment bin through the through holes;
the bottom sludge treatment bin is transversely cylindrical, spiral blades matched with the inner cavity of the bin body are installed in the bottom sludge treatment bin, the sludge discharge end of the bottom sludge treatment bin is communicated with communicating pipes which are installed oppositely up and down, and the tail ends of the communicating pipes are communicated with the sludge concentration tank;
and a combustion chamber is arranged at the lower part of the inner cavity of the sludge concentration tank, and a combustion gas pipeline of the combustion chamber is communicated with external heat supply combustion gas. Through the setting of bed mud clearance mechanism, can realize storing degradation pond, microbial degradation pond to the anaerobism, the shortcoming that the silt that its bottom of pool produced is difficult to get rid of, can convenient and fast with bed mud discharge anaerobism storage degradation pond, microbial degradation pond, do benefit to subsequent degradation operation, and the exhaust bed mud can carry out the concentration and the stoving in sludge concentration pond for organic fertilizer.
Preferably, the sewage filtering area comprises a sewage filtering tank and a solid-liquid separation tank, a filter cartridge water inlet pipe is arranged between the sewage filtering tank and the solid-liquid separation tank, the horizontal height of the sewage filtering tank is higher than that of the solid-liquid separation tank in the vehicle-mounted mobile toilet, the water inlet end of the filter cartridge water inlet pipe is communicated with the inner cavity at the bottom of the sewage filtering tank, the water outlet end of the filter cartridge water inlet pipe is communicated with a filter cartridge in the solid-liquid separation tank, a negative pressure pump is further arranged in the inner cavity of the solid-liquid separation tank, and the negative pressure pump is arranged outside the filter cartridge;
the sewage filtering tank is internally provided with a guide plate and a pull-out filtering grid, the guide plate is arranged above the pull-out filtering grid in a downward inclined manner and is arranged below the water inlet of the sewage filtering tank, filtering holes with the diameter of less than 5mm are arranged on the bottom wall of the pull-out filtering grid in an array manner, and the side wall of the pull-out filtering grid is hermetically connected with the sewage filtering tank;
the filter cartridge mainly comprises a first cylindrical filter cartridge and a second filter screen cylinder in a hopper shape, the first filter cartridge is arranged above the second filter screen cylinder, the water outlet end of the water inlet pipe of the filter cartridge extends into the first filter cartridge, and the mesh number of the first filter cartridge and the second filter screen cylinder in the hopper shape is 2-5 meshes. Through the setting of sewage filtering area, can realize carrying out the separation operation of sewage, filth to the sewage after the anaerobic degradation, be favorable to further degradation and the operation of disinfecting of follow-up microbial degradation pond, ozone disinfection and sterilization pond.
Preferably, the horizontal height of the bottom of the microbial degradation tank in the pull arm vehicle-mounted mobile toilet is lower than that of the anaerobic storage degradation tank, and the height difference between the microbial degradation tank and the anaerobic storage degradation tank is not less than 30 CM. The bottom sludge conveying work of the bottom sludge removing mechanism is facilitated by the height difference arrangement of the microbial degradation tank and the anaerobic storage degradation tank. Preferably, fixed mounting has the gliding slider of pull on the lateral wall of pull formula filtration net, the terminal integrated into one piece of pull formula filtration net has the joint to be in the lug of sewage filtering ponds inner wall, and fixed mounting has the pull rod on one side outer wall that the lug was kept away from to pull formula filtration net, on the lateral wall and the top surface of pull formula filtration net, with sealed mounting groove has been seted up to the junction of sewage filtering ponds, sealed the pad mounting groove in install sealed the pad. Through the installation of pull formula filtration net, can realize carrying out the artificial operation of getting rid of pull to debris under filtering.
Preferably, the bottom of the second filter screen cylinder is provided with a solid discharge pipe, the tail end of the solid discharge pipe extends out of the vehicle-mounted mobile toilet, and the outer wall of the solid discharge pipe is provided with a valve body. Through the installation of the solid discharge pipe and the valve body, the dirt in the filter cylinder can be removed.
Preferably, the sediment removal mechanism is set as a centrifugal extraction pump, the bottom of the anaerobic storage degradation tank is communicated with the bottom of the microbial degradation tank through a pipeline, and the centrifugal extraction pump is arranged at the discharge end of the side wall of the bottom of the microbial degradation tank. Through establishing sediment clearance mechanism into centrifugal extraction pump, and the level setting in anaerobism storage degradation pond and microbial degradation pond, can directly absorb the sediment through the negative pressure, reject outside the pond, more high-efficient.
Preferably, the bottom of the anaerobic storage degradation tank and the bottom of the microbial degradation tank are arranged at the same horizontal height. The structure height is reasonably arranged.
Preferably, the connecting pipes among the sewage storage pool, the anaerobic storage degradation pool, the sewage filtering area, the microbial degradation pool, the ozone sterilization and disinfection pool and the purified water storage tank of the mobile toilet are all provided with electromagnetic valves. The whole system for treating the sewage of the mobile toilet is convenient to control through the installation of the electromagnetic valve.
Preferably, the method also comprises the following using steps:
s101, sewage enters, and the pull arm vehicle-mounted mobile toilet sewage storage tank is used for receiving and storing sewage generated by the pull arm vehicle-mounted mobile toilet during working and discharging the sewage into the anaerobic storage degradation tank through the control of the pump body and the electromagnetic valve;
s102, anaerobic degradation treatment, namely adding anaerobic bacteria into an anaerobic storage degradation pool for anaerobic bacteria degradation of the sewage, wherein the degradation time is 12-48h, and the degraded sewage can be transmitted to a sewage filtering area;
s103, filtering sewage; firstly, sewage is discharged into a sewage filtering tank, filtering holes of a pull-type filtering grid in the sewage filtering tank can intercept and remove large-particle suspended matters with the diameter larger than 5mm, the sewage is filtered into a filter cylinder in a solid-liquid separation tank through the sewage filtering tank, the first filter cylinder and a second filter cylinder in an inverted hopper shape can realize one-step separation operation on the sewage,
meanwhile, the pull-out type filtering mesh can be pulled out in the mobile toilet to remove the filtered dirt, and a valve body on a solid discharge pipe below the filter cartridge can be opened to discharge the fine dirt in the filter cartridge;
s104, degrading the sewage by microorganisms, adding aerobic bacteria into a microbial degradation tank for degrading the aerobic bacteria in the sewage, wherein the degradation time is 12-48h, and the degraded sewage can be transmitted to an ozone disinfection and sterilization tank;
s105, ozone sterilization and disinfection, wherein the ozone sterilization and disinfection tank can receive ozone gas emitted by an external ozone generator, and the ozone is input into the ozone sterilization and disinfection tank through a conduit to be mixed with sewage so as to carry out ozone sterilization treatment on the degraded sewage;
s106, storing and circularly processing the purified water, wherein the electrolyzed water can be discharged into a purified water storage box through a pipeline, and the purified water after sewage treatment is stored or circularly used;
s107, removing sludge; the centrifugal pump in the bottom sludge removing mechanism can be opened to remove the sludge generated in the anaerobic storage degradation tank and the microbial degradation tank in the degradation process and discharge the sludge to the vehicle-mounted mobile toilet. The whole operation steps are simple and convenient, the sewage treatment circulation is reliable, and the accumulation of excrement and the difficult treatment of sewage discharge are avoided.
Compared with the prior art, the invention has the beneficial effects that: according to the sewage treatment system configured for the pull arm vehicle-mounted mobile toilet, degradation and treatment of sewage can be realized through microbial degradation and ozone sterilization technologies, sludge generated at the bottom of the anaerobic storage degradation tank and the microbial degradation tank can be removed in the degradation process through the arrangement of the bottom sludge removal mechanism, environment pollution and pipeline blockage are avoided, the subsequent degradation effect is improved, the separation operation of sewage and dirt on the degraded sewage can be realized through the arrangement of the sewage filtering area, and the further degradation and sterilization operation of the subsequent microbial degradation tank and the ozone sterilization tank is facilitated. Make sewage treatment circulation reliable, avoided faecal piling up and the difficult characteristics of handling of the emission of sewage for the water purification after handling carries out abundant cyclic recycle, practices thrift valuable water resource, and the environmental protection theory is fully revealed, is favorable to using widely in the on-vehicle portable lavatory of single arm-drag.
Drawings
FIG. 1 is a schematic view of a sewage treatment system of a portable lavatory mounted on a truck in accordance with the present invention;
FIG. 2 is a flow chart of the method for using the sewage treatment system of the mobile toilet with the pull arm;
FIG. 3 is a schematic view showing the construction of a sewage treatment system of the arm-pulling vehicle-mounted portable lavatory according to the present invention;
FIG. 4 is a schematic structural view of a sediment removal mechanism 1 in the portable lavatory according to the embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the sewage filtering section according to the present invention;
FIG. 6 is a schematic structural view of the pull-out type filtering mesh in the sewage filtering area according to the present invention;
FIG. 7 is a schematic structural view of the solid-liquid separation tank with the filter cartridge of the present invention folded;
FIG. 8 is a schematic structural view of the sediment removal mechanism in the embodiment 2 of the mobile toilet with a pull arm of the invention.
Reference numbers in the figures: 1. a sewage storage pool of the pull arm vehicle-mounted mobile toilet; 2. an anaerobic storage degradation tank; 3. a sewage filtering area; 31. a sewage filtering tank; 32. a solid-liquid separation tank; 311. a baffle; 312. a pull-out type filtering grid; 3121. a slider; 3122. a gasket mounting groove; 3123. a pull rod; 3124. a filtration pore; 3125. a bump; 321. a filter cartridge; 3211. a first filter cartridge; 3212. a second screen cylinder; 3213. a solids discharge pipe; 3214. a valve body; 3215. a water inlet pipe of the filter cartridge; 322. a negative pressure pump; 4. a microbial degradation tank; 5. an ozone disinfection and sterilization pool; 6. a purified water storage tank; 7. a bottom mud removal mechanism; 71. a bottom mud collecting bin; 72. a bottom mud treatment bin; 721. a helical blade; 73. a communicating pipe; 74. a through hole; 711. a centrifugal pump; 712. pressing a plate; 713. a steel wire; 714. a guide wheel; 715. a balancing weight; 75. a sludge concentration tank; 76. a combustion chamber.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1: referring to fig. 1-7, the present invention provides a technical solution: the sewage treatment system sequentially comprises a sewage storage pool 1, an anaerobic storage degradation pool 2, a sewage filtering area 3, a microbial degradation pool 4, an ozone disinfection and sterilization pool 5 and a purified water storage tank 6 of the pull arm vehicle-mounted mobile toilet; the sewage storage tank 1, the anaerobic storage degradation tank 2, the sewage filtering area 3, the microbial degradation tank 4, the ozone disinfection and sterilization tank 5 and the purified water storage tank 6 of the vehicle-mounted mobile toilet are sequentially communicated; the sewage storage tank 1 of the pull arm vehicle-mounted mobile toilet is used for receiving and storing sewage generated by the pull arm vehicle-mounted mobile toilet during working, anaerobic bacteria can be added into the anaerobic storage degradation tank 2 for degrading the sewage by anaerobic bacteria, the sewage filtering area 3 is used for carrying out solid-liquid separation treatment on the sewage, the sludge amount generated when the aerobic biological treatment system treats 1kg of COD is 250-600 g, and the sludge amount generated when the anaerobic biological treatment system treats 1kg of COD is 20-180 g. The system comprises a sewage storage tank 1 of the pull arm vehicle-mounted mobile toilet, an anaerobic storage degradation tank 2, a sewage filtering area 3, a sewage microorganism aerobic bacteria degradation area 4, an ozone sterilization disinfection tank 5 and a water purification storage tank 6 in sequence, wherein a water source after sewage treatment is stored in the water purification storage tank 6 and is used for flushing a circulating toilet of the pull arm vehicle-mounted mobile toilet.
According to the sewage treatment system configured for the pull arm vehicle-mounted mobile toilet, the sewage generated by the mobile toilet is subjected to degradation of anaerobic microorganisms, filtration of the sewage, degradation of aerobic microorganisms and an ozone sterilization technology, so that a water source reaching the environmental protection standard can be recycled, the problem that water used in the mobile toilet is difficult to use is solved, the environment around the mobile toilet is not environment-friendly and is easy to pollute, the quality of the recycled water source is difficult to reach the standard, and more harmful substances exist, so that the vehicle-mounted mobile toilet can be popularized and used on a large scale.
Furthermore, all install the solenoid valve on the connecting pipe between mobile toilet sewage storage pond 1, anaerobism storage degradation pond 2, sewage filtering area 3, microbial degradation pond 4, ozone disinfection and sterilization pond 5 and the water purification storage box 6, through the installation of solenoid valve to this mobile toilet sewage treatment's entire system is convenient for control.
Specifically, the bottom sludge removing mechanism 7 comprises a bottom sludge collecting bin 71 and a bottom sludge treating bin 72 which are arranged at the bottom of the microbial degradation tank 4; the bottom mud collecting bin 71 is arranged above the bottom mud treating bin 72, a through type arrangement is arranged between the top of the bottom mud collecting bin 71 and the bottom of the microbial degradation pool 4, a centrifugal extraction pump 711 is installed in the bottom mud collecting bin 71, a pressing plate 712 is arranged in an inner cavity of the bottom mud collecting bin 71, the pressing plate 712 is arranged in an inclined shape, the end part of the pressing plate 712 is movably connected with the bottom mud collecting bin 71 through a pin shaft, a balancing weight 715 is fixedly installed on the end surface, far away from the pin shaft, of the pressing plate 712, the pressing plate 712 can facilitate the bottom mud to enter the bottom mud treating bin 72 through a through hole 74 through the balancing weight 715, a steel wire 713 is installed on the pressing plate 712, the steel wire 713 can be driven through a driving motor, and at least two steel wires 713 are fixedly installed at the top of the bottom mud collecting bin 71 to wind the guide wheels 714; through holes 74 with trapezoidal cross sections are transversely arranged below the bottom mud collecting bin 71 in an equally-divided manner, and the bottom mud collecting bin 71 is communicated with the bottom mud treating bin 72 through the through holes 74; the bottom sludge treatment bin 72 is transversely cylindrical, spiral blades 721 matched with the inner cavity of the bin body are installed in the bottom sludge treatment bin 72, the spiral blades 721 rotate in the bottom sludge treatment bin 72 and can compress and transport bottom sludge, the sludge discharge end of the bottom sludge treatment bin 72 is communicated with communicating pipes 73 which are installed oppositely up and down, the tail end of each communicating pipe 56 is communicated with the sludge concentration tank 75, and the bottom sludge can pass through the communicating pipes 73 to the sludge concentration tank 75; the inner chamber lower part of sludge concentration tank 75 is equipped with combustion chamber 76, the outside heat supply combustion gas of combustion gas pipeline switch-on of combustion chamber 76, setting through bed mud clearance mechanism 7, can realize degrading the pond 2 to anaerobic storage, microbial degradation pond 4 is at the degradation in-process, the shortcoming that the silt that its bottom of pool produced is difficult to get rid of, can convenient and fast with bed mud discharge anaerobic storage degradation pond 2, microbial degradation pond 4, be favorable to subsequent degradation operation, and the exhaust bed mud can carry out the concentration and the stoving of sludge concentration tank 75, be used for the organic fertilizer.
Further, the bottom level of the microbial degradation pool 4 in the vehicle-mounted mobile toilet with the pull arm is lower than the anaerobic storage degradation pool 2, the height difference between the microbial degradation pool 4 and the anaerobic storage degradation pool 2 is not less than 30CM, and the bottom sludge conveying work of the bottom sludge removing mechanism 7 is facilitated through the height difference between the microbial degradation pool 4 and the anaerobic storage degradation pool 3.
Specifically, the sewage filtering zone 3 comprises a sewage filtering tank 31 and a solid-liquid separation tank 32, a filter cartridge water inlet pipe 3215 is arranged between the sewage filtering tank 31 and the solid-liquid separation tank 32, the horizontal height of the sewage filtering tank 31 is higher than that of the solid-liquid separation tank 32 in the vehicle-mounted mobile toilet, the water inlet end of the filter cartridge water inlet pipe 3215 is communicated with the inner cavity at the bottom of the sewage filtering tank 31, the water outlet end of the filter cartridge water inlet pipe 3215 is communicated with a filter cartridge 321 in the solid-liquid separation tank 32, a negative pressure pump 322 is further arranged in the inner cavity of the solid-liquid separation tank 32, and the negative pressure pump 322 is arranged outside the; a guide plate 311 and a pull-out type filtering grid 312 are arranged in the sewage filtering tank 31, the guide plate 311 is arranged above the pull-out type filtering grid 312 in a downward inclined manner and is arranged below the water inlet of the sewage filtering tank 31, filtering holes 3124 with the diameter of less than 5mm are arranged on the bottom wall of the pull-out type filtering grid 312 in an array manner, and the side wall of the pull-out type filtering grid 312 is in sealed connection with the sewage filtering tank 31; the filter cylinder 321 mainly comprises a first cylindrical filter cylinder 3211 and a hopper-shaped second filter screen cylinder 3212, the first filter cylinder 3211 is installed above the second filter screen cylinder 3212, the water outlet end of the filter cylinder water inlet pipe 3215 extends into the first filter cylinder 3211, the mesh number of the first filter cylinder 3211 and the hopper-shaped second filter screen cylinder 3212 is 2-5 meshes, and the sewage and dirt separation operation can be performed on the anaerobically degraded sewage through the arrangement of the sewage filtering area 3, which is beneficial to the further degradation and sterilization operation of the subsequent microbial degradation tank 4 and the ozone sterilization tank 5.
Further, a sliding block 3121 for drawing and sliding is fixedly installed on the side wall of the drawing type filtering grid 312, a projection 3125 clamped on the inner wall of the sewage filtering tank 31 is integrally formed at the tail end of the drawing type filtering grid 312, a pull rod 3123 is fixedly installed on the outer wall of one side of the drawing type filtering grid 312 far away from the projection 3125, a sealing gasket installation groove 3122 is opened at the joint with the sewage filtering tank 31 on the side wall and the top surface of the drawing type filtering grid 312, a sealing gasket is installed in the sealing gasket installation groove 3122, and through installation of the drawing type filtering grid 312, manual drawing and removing operation of filtered impurities can be realized; meanwhile, a solid discharge pipe 3213 is installed at the bottom of the second filter screen cylinder 3212, the end of the solid discharge pipe 3213 extends out of the vehicle-mounted mobile toilet, and a valve body 3214 is installed on the outer wall of the solid discharge pipe 3213, so that the operation of removing dirt in the filter cylinder can be realized by installing the solid discharge pipe and the valve body.
Specifically, the pull arm vehicle-mounted mobile toilet sewage treatment system provided by the invention is recycled, and the method also comprises the following using steps: firstly, sewage enters, and the pull arm vehicle-mounted mobile toilet sewage storage pool 1 is used for receiving and storing sewage generated during the operation of the pull arm vehicle-mounted mobile toilet and discharging the sewage into the anaerobic storage degradation pool 2 through the control of the pump body and the electromagnetic valve; anaerobic degradation treatment is carried out again, anaerobic bacteria can be added into the anaerobic storage degradation pool 2 for anaerobic bacteria degradation of the sewage, the degradation time is 12-48h, and the degraded sewage can be transmitted into the sewage filtering area 3; then carrying out sewage filtration treatment; firstly, sewage is discharged into a sewage filtering tank 31, filtering holes 3124 of a pull-out type filtering grid 312 in the sewage filtering tank 31 can intercept and remove large-particle suspended matters with the diameter larger than 5mm, the sewage is filtered into a filtering cylinder 321 in a solid-liquid separation tank 32 through the sewage filtering tank 31, a first filtering cylinder 3211 and an inverted-bucket-shaped second filtering cylinder 3212 can realize one-step separation operation on the sewage, meanwhile, the pull-out type filtering grid 312 can be pulled out in a mobile toilet to remove filtered dirt, a valve body 3214 on a solid discharge pipe 3213 below the filtering cylinder 321 can be opened, and fine dirt in the filtering cylinder 321 is discharged; performing microbial degradation on the sewage, adding aerobic bacteria into the microbial degradation tank 4 for degrading the aerobic bacteria in the sewage for 12-48h, and transmitting the degraded sewage into the ozone disinfection and sterilization tank 5; and the ozone sterilization and disinfection tank 5 can receive ozone gas emitted by an external ozone generator, and the ozone is input into the ozone sterilization and disinfection tank 5 through a conduit to be mixed with sewage, so that the ozone has good sterilization effect, the ozone has good aerobic property, and harmful substances in the water, such as sulfur ions, nitrogen ions and the like, are removed. Carrying out ozone disinfection treatment on the degraded sewage; finally, the purified water is stored and circularly treated, the water after ozone sterilization can be discharged into a purified water storage tank 7 through a pipeline, and the purified water after sewage treatment is stored or circularly used; the vehicle-mounted mobile toilet is transported to a place far away from people, and sludge can be removed and treated; the centrifugal pump 711 in the sediment removal mechanism 7 can be opened, referring to fig. 4, the pump 711 can suck the sediment generated by the degradation of the anaerobic storage degradation tank 2 and the sewage microorganism aerobic bacteria degradation zone 4 into the sediment collection bin 71, the steel wire 713 can drive the pressing plate 712 to rotate, the pressing plate 712 is inclined in a normal state, when the sludge needs to be extruded, the pressing plate 712 can conveniently enter the sediment treatment bin 72 through the through hole 74 through the balancing weight 715, meanwhile, the spiral blades 721 in the sediment treatment bin 72 can compress and transport the sediment while rotating, the sediment is discharged into the sludge concentration tank 75, the sludge concentration and drying of the sludge concentration tank 75 can be carried out through the arrangement of the combustion chamber 76, the sludge generated in the degradation process of the anaerobic storage degradation tank 2 and the microorganism degradation tank 4 can be further removed, the vehicle-mounted mobile toilet is discharged, the whole operation steps are simple and convenient, the sewage treatment circulation is reliable, and the accumulation of excrement and the difficult treatment of sewage discharge are avoided.
Example 2: referring to fig. 8, a sewage storage tank 1, an anaerobic storage degradation tank 2, a sewage filtering area 3, a microbial degradation tank 4, an ozone sterilization and disinfection tank 5 and a purified water storage tank 6 of the pull arm vehicle-mounted mobile toilet are arranged the same as those of embodiment 1, except that a sediment removing mechanism 7 is a centrifugal type extraction pump 711, the bottoms of the anaerobic storage degradation tank 2 and the microbial degradation tank 4 are communicated through a pipeline, the centrifugal type extraction pump 711 is installed at the discharge end of the side wall of the bottom of the microbial degradation tank 4, the bottoms of the anaerobic storage degradation tank 2 and the microbial degradation tank 4 are arranged at the same horizontal height, the structural height is reasonably arranged, the sediment removing mechanism is the centrifugal type extraction pump 711, and the horizontal arrangement of the anaerobic storage degradation tank and the microbial degradation tank can directly suck sediment through negative pressure and discharge the sediment out of the tank, compared with embodiment 1, although the removal of sediment of embodiment 1 is more efficient, however, the substrate sludge generated by degradation is directly discharged outdoors, which is not environment-friendly and easily pollutes the environment around the mobile toilet, in the embodiment 1, the generated substrate sludge can be discharged into the sludge concentration tank 75, and the discharged substrate sludge can be concentrated and dried in the sludge concentration tank 75, so that the organic fertilizer is used, the environment is protected, and the sustainable development is facilitated.
According to the sewage treatment system configured for the pull arm vehicle-mounted mobile toilet, degradation and treatment of sewage can be realized through microbial degradation and ozone sterilization technologies, sludge generated at the bottom of the anaerobic storage degradation tank and the microbial degradation tank can be removed in the degradation process through the arrangement of the bottom sludge removal mechanism, environment pollution and pipeline blockage are avoided, the subsequent degradation effect is improved, the separation operation of sewage and dirt on the degraded sewage can be realized through the arrangement of the sewage filtering area, and the further degradation and sterilization operation of the subsequent microbial degradation tank and the ozone sterilization tank is facilitated. Make sewage treatment circulation reliable, avoided faecal piling up and the difficult characteristics of handling of the emission of sewage for the water purification after handling carries out abundant cyclic recycle, practices thrift valuable water resource, and the environmental protection theory is fully revealed, is favorable to using widely in the on-vehicle portable lavatory of single arm-drag.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a sewage treatment system that is used for on-vehicle removal lavatory of single arm-drag which characterized in that: the sewage treatment system comprises a draw arm vehicle-mounted mobile toilet, and the draw arm vehicle-mounted mobile toilet is internally provided with a sewage treatment system which sequentially comprises a draw arm vehicle-mounted mobile toilet sewage storage tank (1), an anaerobic storage degradation tank (2), a sewage filtering area (3), a microbial degradation tank (4), an ozone disinfection and sterilization tank (5) and a purified water storage tank (6); the sewage storage pool (1), the anaerobic storage degradation pool (2), the sewage filtering area (3), the microbial degradation pool (4), the ozone sterilization and disinfection pool (5) and the purified water storage tank (6) of the pull arm vehicle-mounted mobile toilet are sequentially communicated;
the sewage storage tank (1) of the pull arm vehicle-mounted mobile toilet is used for receiving and storing sewage generated by the pull arm vehicle-mounted mobile toilet during working, anaerobic bacteria can be added into the anaerobic storage degradation tank (2) for degrading the anaerobic bacteria of the sewage, the sewage filtering area (3) is used for performing solid-liquid separation treatment on the sewage, aerobic bacteria can be added into the microbial degradation tank (4) for degrading the aerobic bacteria of the sewage, the ozone disinfection and sterilization tank (5) is used for mixing ozone with the sewage in the ozone input tank through an external ozone generator and a conduit to perform ozone disinfection treatment on the degraded sewage, the purified water is stored in the purified water storage tank (6), and a bottom mud removing mechanism (7) is arranged at the bottom of the microbial degradation tank (4).
2. The sewage treatment system for the pull arm on-board portable lavatory according to claim 1, wherein: the bottom sludge removing mechanism (7) comprises a bottom sludge collecting bin (71) and a bottom sludge treating bin (72) which are arranged at the bottom of the microbial degradation pool (4);
the bottom mud collecting bin (71) is arranged above the bottom mud treating bin (72), a through type arrangement is arranged between the top of the bottom mud collecting bin (71) and the bottom of the microbial degradation pool (4), a centrifugal extraction pump (711) is installed in the bottom mud collecting bin (71), a pressing plate (712) is arranged in an inner cavity of the bottom mud collecting bin (71), the pressing plate (712) is obliquely arranged, the end part of the pressing plate (712) is movably connected with the bottom mud collecting bin (71) through a pin shaft, a balancing weight (715) is fixedly installed on the end face, far away from the pin shaft, of the pressing plate (712), a steel wire (713) is installed on the pressing plate (712), and at least two steel wire supply (713) winding guide wheels (714) are fixedly installed at the top of the bottom mud collecting bin (71);
through holes (74) with trapezoidal sections are transversely and equally distributed below the bottom mud collecting bin (71), and the bottom mud collecting bin (71) is communicated with the bottom mud processing bin (72) through the through holes (74);
the bottom sludge treatment bin (72) is arranged in a transverse cylindrical shape, a helical blade (721) matched with the inner cavity of the bin body is installed in the bottom sludge treatment bin (72), the sludge discharge end of the bottom sludge treatment bin (72) is communicated with a communicating pipe (73) which is installed oppositely up and down, and the tail end of the communicating pipe (73) is communicated with a sludge concentration tank (75);
and a combustion chamber (76) is arranged at the lower part of the inner cavity of the sludge concentration tank (75), and a combustion gas pipeline of the combustion chamber (76) is communicated with external heat supply combustion gas.
3. The sewage treatment system for the pull arm on-board portable lavatory according to claim 1, wherein: the sewage filtering area (3) comprises a sewage filtering tank (31) and a solid-liquid separation tank (32), a filter cartridge water inlet pipe (3215) is arranged between the sewage filtering tank (31) and the solid-liquid separation tank (32), the horizontal height of the sewage filtering tank (31) is higher than that of the solid-liquid separation tank (32) in the vehicle-mounted mobile toilet, the water inlet end of the filter cartridge water inlet pipe (3215) is communicated with the inner cavity at the bottom of the sewage filtering tank (31), the water outlet end of the filter cartridge water inlet pipe (3215) is communicated with a filter cartridge (321) in the solid-liquid separation tank (32), a negative pressure pump (322) is further installed in the inner cavity of the solid-liquid separation tank (32), and the negative pressure pump (322) is arranged outside the filter cartridge (321);
a guide plate (311) and a pull-out type filtering grid (312) are arranged in the sewage filtering tank (31), the guide plate (311) is arranged above the pull-out type filtering grid (312) in a downward inclined manner and is arranged below the water inlet of the sewage filtering tank (31), filtering holes (3124) with the diameter of less than 5mm are formed in the bottom wall of the pull-out type filtering grid (312) in an array manner, and the side wall of the pull-out type filtering grid (312) is in sealing connection with the sewage filtering tank (31);
the filter cylinder (321) mainly comprises a first cylindrical filter cylinder (3211) and a second filter screen cylinder (3212), the first filter cylinder (3211) is mounted above the second filter screen cylinder (3212), the water outlet end of the filter cylinder water inlet pipe (3215) extends into the first filter cylinder (3211), and the mesh number of the first filter cylinder (3211) and the second filter screen cylinder (3212) is 2-5 meshes.
4. The sewage treatment system for the pull arm on-board portable lavatory according to claim 2, wherein: the bottom horizontal height of the microbial degradation tank (4) in the pull arm vehicle-mounted mobile toilet is lower than that of the anaerobic storage degradation tank (2), and the height difference between the microbial degradation tank (4) and the anaerobic storage degradation tank (2) is not less than 30 CM.
5. The sewage treatment system for the pull arm on-board portable lavatory according to claim 3, wherein: fixed mounting has on the lateral wall of pull formula filtration net (312) and is used for the gliding slider of pull (3121), the end integrated into one piece of pull formula filtration net (312) has the joint to be in lug (3125) of sewage filtering ponds (31) inner wall, and pull formula filtration net (312) keep away from on one side outer wall of lug (3125) fixed mounting have pull rod (3123), on the lateral wall and the top surface of pull formula filtration net (312), with sealed packing mounting groove (3122) have been seted up to the junction of sewage filtering ponds (31), install sealed the pad in sealed packing mounting groove (3122).
6. The sewage treatment system for the pull arm on-board portable lavatory according to claim 3, wherein: a solid discharge pipe (3213) is installed at the bottom of the second filter screen cylinder (3212), the tail end of the solid discharge pipe (3213) extends out of the vehicle-mounted mobile toilet, and a valve body (3214) is installed on the outer wall of the solid discharge pipe (3213).
7. The sewage treatment system for the pull arm on-board portable lavatory according to claim 1, wherein: the bottom sludge removing mechanism (7) is set to be a centrifugal extraction pump (711), the bottoms of the anaerobic storage degradation tank (2) and the microbial degradation tank (4) are communicated through a pipeline, and the centrifugal extraction pump (711) is installed at the discharge end of the side wall of the bottom of the microbial degradation tank (4).
8. The sewage treatment system for the pull arm on-board portable lavatory according to claim 7, wherein: the bottoms of the anaerobic storage degradation tank (2) and the microbial degradation tank (4) are arranged at the same horizontal height.
9. The sewage treatment system for the pull arm on-board portable lavatory according to claim 1, wherein: electromagnetic valves are arranged on connecting pipes among the sewage storage pool (1) of the mobile toilet, the anaerobic storage degradation pool (2), the sewage filtering area (3), the microbial degradation pool (4), the ozone sterilization and disinfection pool (5) and the purified water storage tank (6).
10. The water recycling method for the sewage treatment system of the pull arm on-board portable lavatory according to any one of claims 1 to 9, wherein: the method also comprises the following using steps:
s101, sewage enters, and the pull arm vehicle-mounted mobile toilet sewage storage tank (1) is used for receiving and storing sewage generated by the pull arm vehicle-mounted mobile toilet during working and discharging the sewage into the anaerobic storage degradation tank (2) through the control of the pump body and the electromagnetic valve;
s102, anaerobic degradation treatment, namely adding anaerobic bacteria into the anaerobic storage degradation pool (2) for anaerobic bacteria degradation of the sewage, wherein the degradation time is 12-48h, and the degraded sewage can be transmitted to the sewage filtering area (3);
s103, filtering sewage; firstly, sewage is discharged into a sewage filtering tank (31), filtering holes (3124) of a drawing type filtering grid (312) in the sewage filtering tank (31) can intercept and remove large-particle suspended matters with the diameter larger than 5mm, the sewage is filtered into a filter cylinder (321) in a solid-liquid separation tank (32) through the sewage filtering tank (31), a first filter cylinder (3211) and an inverted funnel-shaped second filter cylinder (3212) can realize one-step separation operation on the sewage,
meanwhile, the pull-out type filtering mesh (312) can be pulled out in the mobile toilet to remove the filtered dirt, and a valve body (3214) on a solid discharge pipe (3213) below the filter cartridge (321) can be opened to discharge the fine dirt in the filter cartridge (321);
s104, performing microbial degradation on the sewage, namely adding aerobic bacteria into the microbial degradation tank (4) for degrading the aerobic bacteria in the sewage for 12-48h, and transmitting the degraded sewage into the ozone disinfection and sterilization tank (5);
s105, ozone sterilization and disinfection, wherein the ozone sterilization and disinfection tank (5) can receive ozone gas emitted by an external ozone generator, and the ozone is input into the ozone sterilization and disinfection tank (5) through a conduit to be mixed with sewage so as to carry out ozone sterilization treatment on the degraded sewage;
s106, storing and circularly processing the purified water, wherein the water after ozone sterilization can be discharged into a purified water storage tank (7) through a pipeline, and the purified water after sewage treatment is stored or circularly used;
s107, removing sludge; the centrifugal pump (711) in the bottom sludge removing mechanism (7) can be opened to remove the sludge generated in the degradation process of the anaerobic storage degradation tank (2) and the microbial degradation tank (4) and discharge the sludge to the vehicle-mounted mobile toilet.
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| CN114044581A (en) * | 2021-11-15 | 2022-02-15 | 李桂林 | Mobile toilet sewage treatment device |
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