CN106966544B

CN106966544B - Zero-emission movable type circulating flushing ecological toilet

Info

Publication number: CN106966544B
Application number: CN201710240533.0A
Authority: CN
Inventors: 邢翔; 赵滨
Original assignee: Weihai Guangyang Environmental Protection Technology Co ltd; Shandong University
Current assignee: Weihai Guangyang Environmental Protection Technology Co ltd; Shandong University
Priority date: 2017-03-31
Filing date: 2017-04-13
Publication date: 2023-10-24
Anticipated expiration: 2037-04-13
Also published as: CN206705908U; CN106966544A

Abstract

The invention provides a zero-emission movable type circulating flushing ecological toilet, which comprises a toilet seat and a water treatment unit, wherein the water treatment unit comprises an anaerobic biological reaction tank, an aerobic biological reaction tank, a first biomass filtering reaction tank, an inorganic filtering tank, a second biomass filtering reaction tank and an active carbon filtering tank which are sequentially connected through water pipes, sewage generated by the toilet seat is discharged into the anaerobic biological reaction tank and sequentially treated by the aerobic biological reaction tank, the first biomass filtering reaction tank, the inorganic filtering tank, the second biomass filtering reaction tank and the active carbon filtering tank to obtain clean water, and at least a part of the obtained clean water is recycled as flushing water. The technical scheme adopted by the circulating flushing ecological toilet is that the biological treatment technology is used as a core, and sewage is filtered, decolored and deodorized through double treatment of a biological unit and a physical unit, so that the sewage is thoroughly purified, and the purified sewage is colorless, odorless and sterile.

Description

Zero-emission movable type circulating flushing ecological toilet

Technical Field

The invention belongs to the field of environmental protection, and particularly relates to a zero-emission movable type circulating flushing ecological toilet.

Background

With the improvement of people's environmental awareness, public toilet pollution is more and more concerned, especially the pollution of waste water from toilet flushing to natural water and environment, such as public toilet pollution in scenic spots far away from urban pipe network. On the other hand, due to the vigorous development of tourist industry, various scenic spots are difficult to enter the toilet along with the inflow of a large number of tourists, and various scenic spots cannot be built because of the special geographical positions and specific conditions and no water feeding and draining conditions. Therefore, the construction and reconstruction of the travel toilet becomes a difficult problem.

At present, the technology capable of practically solving the pollution problem and the construction problem of toilets in remote areas is not mature, the traditional sewage treatment method is adopted for treating the fecal sewage, the equipment space is huge, the construction cost is high, and the water supply pipeline and the sewer pipeline are required to be constructed.

Therefore, the person skilled in the art aims to provide a flushing ecological toilet which is free of water supply, free of emission, clean and sanitary and convenient to construct.

Disclosure of Invention

The invention aims to provide a zero-emission movable type circulating flushing ecological toilet, which solves the problems of high construction and maintenance cost and inconvenient use of the toilet in remote areas in the prior art.

The invention provides a zero-emission movable type circulating flushing ecological toilet, which comprises a toilet seat and a water treatment unit, wherein the water treatment unit comprises an anaerobic biological reaction tank, an aerobic biological reaction tank, a first biomass filtering reaction tank, an inorganic filtering tank, a second biomass filtering reaction tank and an active carbon filtering tank which are sequentially connected through water pipes, sewage generated by the toilet seat is discharged into the anaerobic biological reaction tank and sequentially treated by the aerobic biological reaction tank, the first biomass filtering reaction tank, the inorganic filtering tank, the second biomass filtering reaction tank and the active carbon filtering tank to obtain clean water, and at least a part of the obtained clean water is recycled as flushing water.

In the invention, the anaerobic biological reaction tank is connected to the upstream of the aerobic biological reaction tank, the aerobic biological reaction tank is connected to the upstream of the first biomass filtration reaction tank, the activated carbon filtration tank is connected to the downstream of the second biomass reaction tank, and the inorganic filtration tank is positioned between the first biomass filtration reaction tank and the second biomass filtration reaction tank. Sewage generated in a toilet position is subjected to anaerobic treatment in an anaerobic biological reaction tank, then enters an aerobic biological reaction tank for aeration treatment, then enters a first biological filtering reaction tank for filtering and further microbial degradation, then enters an inorganic filtering tank for filtering by using an inorganic filtering material, then enters a second biological reaction tank for filtering and further microbial degradation, finally, clean water is obtained after filtering by an active carbon filtering tank, and at least a part of the obtained clean water is recycled as toilet flushing water.

Wherein the aerobic biological reaction tank comprises an aeration device, and the aeration device is conventional in the field.

Further, the biomass filtration reaction tank (the first biomass filtration reaction tank and the second biomass filtration reaction tank) is provided for filling a biomass adsorbing material. The biomass adsorbing material is a biological adsorbing material and has the advantages of wide source, low cost and reproducibility. Preferably, the biomass adsorbing material comprises cellulose-based biomass (such as agricultural solid waste including but not limited to tea leaves, peanut shells, rice hulls, etc., forestry solid waste including but not limited to wood chips, etc.), chitin and its derivatives, chitosan and its derivatives, etc. The biomass adsorbing material not only has the function of adsorption and filtration, but also can be used as a carrier for microorganism adhesion and growth, and organic and inorganic pollutants in sewage can be further degraded by microorganisms. Preferably, the biomass adsorbing material comprises a mixture of wood chips and rice hulls; more preferably the volume ratio of wood chips to rice hulls in the biomass adsorbing material is 4-9:1; most preferably, the rice hulls are pretreated rice hulls, and the pretreatment conditions of the rice hulls are: after treatment with 1% NaOH solution at a solids to liquid ratio of about 1:10 (by weight) at 50-60 ℃ for about 2 hours, water was rinsed to neutrality.

Further, the inorganic filter tank is provided for filling the inorganic adsorption material. The inorganic adsorption material is mainly geological material (including industrial waste after mineral utilization) and comprises but is not limited to zeolite, clay, peat, fly ash and the like; one class of preferred inorganic adsorbent materials are inorganic adsorbent materials formed after mixing or sintering of various geological materials, such as the highly efficient solid filter materials for sewage treatment disclosed in patent document CN 201510808404.8.

Further, the water treatment unit further comprises a disinfection and sterilization tank, wherein the disinfection and sterilization tank is arranged between the second biomass filtering reaction tank and the active carbon filtering tank. The disinfection and sterilization tank is used for sterilizing, deodorizing and decomposing organic matters, and sewage enters the disinfection and sterilization tank for disinfection treatment after passing through the second biomass filtering reaction tank and then enters the active carbon filtering tank.

Preferably, the disinfection and sterilization tank comprises an ultraviolet ray emitting device and/or an ozone generating device.

Preferably, the sterilizing tank includes an ultraviolet ray emitting device and an ozone generating device.

Further, the circulating flushing ecological toilet also comprises a purified water storage tank. The purified water storage tank is arranged for storing purified water obtained after being filtered by the activated carbon filter tank, and the stored purified water is connected with a toilet through a water pipe.

Further, the circulating flushing ecological toilet further comprises an atomization device, the atomization device is connected with the purified water storage box through a water pipe, and purified water filtered by the activated carbon filter tank is discharged after being atomized by the atomization device. Preferably, the atomizing means comprises one or more ultrasonic atomizers.

The cyclic flushing ecological toilet disclosed by the invention combines anaerobic treatment, aerobic treatment, biomass adsorption treatment, inorganic filter material adsorption filtration and active carbon filtration, and can achieve excellent effects on treatment of COD, BOD, ammonium nitrogen and pigment. The sewage is subjected to anaerobic treatment in an anaerobic biological reaction tank, then enters an aerobic biological reaction tank for aeration treatment, then enters a first biological filtering reaction tank for filtering and further microbial degradation, then is filtered by an inorganic filter material in an inorganic filter tank, then enters a second biological reaction tank for filtering and further microbial degradation, and finally is filtered by an active carbon filter tank to obtain purified water.

The technical scheme adopted by the circulating flushing ecological toilet is that the biological treatment technology is used as the core, and sewage is filtered, decolorized, deodorized, sterilized and disinfected through double treatment of a biological unit and a physical unit, so that the sewage is thoroughly purified, and the purified sewage is colorless, odorless and sterile.

In some embodiments of the invention, the anaerobic biological reaction tank, the aerobic biological reaction tank, the first biological filtering reaction tank, the inorganic filtering tank, the second biological filtering reaction tank, the active carbon filtering tank, the purified water storage tank, the atomizing device and the like can be provided with a liquid level meter and an electric control water pump according to the requirements and are connected to a PLC (programmable logic controller) through a circuit, the whole circulating flushing ecological toilet integrally adopts a PLC control system, the microcomputer runs fully automatically and can be integrally arranged, and overload protection and temperature protection can be arranged in the PLC. The configuration of the PLC control system may be in a conventional manner known in the art. In a preferred embodiment of the invention, the cyclic flushing ecological toilet provided by the invention can be remotely managed in combination with an internet of things remote management system, for example, the cyclic flushing ecological toilet comprises the toilet, a cloud calculator and communication equipment. The communication equipment establishes communication with the cloud calculator through a wireless network or a wired network; the cloud calculator establishes communication with the toilet through a wireless network or a wired network; the cloud calculator and/or the communication device receives toilet status information or the like transmitted by the toilet and manages the toilet; in addition, the communication device controls the toilet position and the water treatment unit of the toilet via the cloud calculator, or the cloud calculator directly controls the toilet position and the water treatment unit of the toilet.

It is understood that within the scope of the present invention, the above-described technical features of the present invention and technical features specifically described below (e.g., in the examples) may be combined with each other to constitute new or preferred technical solutions. And are limited to a space, and are not described in detail herein. The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a preferred embodiment of the present invention.

Fig. 2 is a schematic view showing a part of the structure including a sterilizing tank according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural view showing a sterilizing tank according to a preferred embodiment of the present invention.

Fig. 4 is a schematic view showing a part of the construction of the preferred embodiment of the present invention including the purified water storage tank and the atomizing means.

Fig. 5 shows a schematic structural diagram of an atomizing device according to a preferred embodiment of the present invention.

Fig. 6 shows an overall architecture diagram of remote management of the internet of things according to a preferred embodiment of the present invention.

Fig. 7 is a schematic diagram of functional modules of an internet of things remote management system according to a preferred embodiment of the invention.

Detailed Description

Example 1

As shown in fig. 1, the present embodiment provides a cyclic flushing ecological toilet, which includes a toilet seat 00 and a water treatment unit 01, wherein the water treatment unit 01 includes an anaerobic biological reaction tank 11, an aerobic biological reaction tank 12, a first biomass filtration reaction tank 13, an inorganic filtration tank 14, a second biomass filtration reaction tank 15 and an activated carbon filtration tank 16, which are sequentially connected with water pipes. The sewage generated by the toilet 00 is firstly subjected to anaerobic treatment in an anaerobic biological reaction tank 11, the treated sewage is pumped into an aerobic biological reaction tank 12 by a water pump 111 for aeration treatment, then pumped into a first biological filtering reaction tank 13 by a water pump 121 for filtering and further microbial degradation, then pumped into an inorganic filtering tank 14 by a water pump 131 for filtering by an inorganic filter material, then pumped into a second biological reaction tank 15 by a water pump 141 for filtering and further microbial degradation, finally pumped into an active carbon filtering tank 16 by a water pump 151 for active carbon filtering to obtain clean water, and at least a part of the obtained clean water is recycled as toilet flushing water.

Anaerobic bioreactor tank 11 is configured for anaerobic treatment of wastewater and may be configured in a conventional manner known in the art. Anaerobic microorganisms known in the art, such as single microorganisms or complex microorganisms, may be artificially added to the anaerobic bioreactor tank 11. The sewage treated in the anaerobic reaction tank 11 is pumped into the aerobic biological reaction tank 12 by a water pump.

The aerobic biological reactor 12 is provided for aerobic treatment of sewage and may be provided in a conventional manner known in the art. For example, the aerobic biological reaction tank 12 may supply oxygen by using an aeration pump 122 to perform an aerobic reaction on the sewage to remove harmful substances such as COD and BOD in the sewage. Aeration may be performed intermittently.

The water treatment unit 01 in this embodiment includes two biomass filtration reaction tanks, namely, a first biomass filtration reaction tank 13 and a second biomass filtration reaction tank 15. The biomass filtration reaction tank is configured to be filled with a biomass adsorbing material. The biomass filtration reaction tank in the embodiment comprises a tank body and a biomass adsorption material filled in the tank body. The water from the upstream water pump can flow in from the top end of the biomass adsorbing material, and is pumped out from the downstream water pump at the bottom of the tank body after being treated by the biomass adsorbing material. The biomass adsorbing material is a biological adsorbing material and has the advantages of wide source, low cost and reproducibility. Preferably, the biomass adsorbing material comprises cellulose-based biomass (such as agricultural solid waste including but not limited to tea leaves, peanut shells, rice hulls, etc., forestry solid waste including but not limited to wood chips, etc.), chitin and its derivatives, chitosan and its derivatives, etc. The biomass adsorbing material not only has the function of adsorption and filtration, but also can be used as a carrier for microorganism adhesion and growth, and organic and inorganic pollutants in sewage can be further degraded by microorganisms. The biomass adsorbing material may be virgin, i.e., a biomass adsorbing material that has been simply crushed and not chemically treated; or may be chemically treated, such as by soaking the physically crushed biomass adsorbing material in acid and/or alkali. The biomass adsorption material not only can play a role in physical adsorption and filtration, but also can remove harmful substances such as phosphorus, ammonia nitrogen and the like in sewage by the microorganisms attached and grown on the biomass adsorption material.

The inorganic filter tank 14 is provided for filling the inorganic adsorbent material. The inorganic filter tank 14 in this embodiment includes a tank body and an inorganic adsorbent material filled in the tank body. The water from the upstream water pump can flow in from the top end of the inorganic adsorption material, and is pumped out from the downstream water pump at the bottom of the tank body after being treated by the inorganic adsorption material. The inorganic adsorption material is mainly a geological material (including industrial waste after mineral utilization), has the characteristics of porosity and porosity, can adsorb harmful substances such as ammonia, nitrogen, bacteria and the like in sewage, and can decolorize the sewage. Inorganic adsorbent materials include, but are not limited to, zeolites, clays, peat, fly ash, and the like; one class of preferred inorganic adsorbent materials are inorganic adsorbent materials formed after mixing or sintering of various geological materials, such as the highly efficient solid filter materials for sewage treatment disclosed in patent document CN 201510808404.8.

The activated carbon filter tank 16 is provided for filling with activated carbon. The activated carbon filter tank 16 in this embodiment includes a tank body and activated carbon filled in the tank body. The water from the upstream water pump can flow in from the top end of the activated carbon, and is pumped out from the downstream water pump at the bottom of the tank body after being treated by the activated carbon. Activated carbon is a conventional filter material known in the art. In the sewage treatment device, the activated carbon plays a role in removing residual pigment, and clean water is finally obtained. The obtained clean water can be directly discharged or stored.

Example 2

As shown in fig. 2, the basic structure of the cyclic flushing ecological toilet provided in this embodiment is the same as that of embodiment 1, and is different in that the water treatment unit 01 of the cyclic flushing ecological toilet further includes a disinfection and sterilization tank 17, and the disinfection and sterilization tank 17 is disposed between the second biomass filtration reaction tank 15 and the activated carbon filtration tank 16. The sterilizing tank 17 is provided for housing a sterilizing device. The water flowing out of the second biomass filtration reaction tank 15 is pumped into the disinfection and sterilization tank 17 through a water pump 151, and is pumped into the activated carbon filtration tank 16 through a water pump 171 after disinfection and sterilization.

As shown in fig. 3, the sterilizing tank 17 in this embodiment includes a sterilizing tank 172 and an equipment tank 173, and the sterilizing tank 172 is provided for holding sewage. The sterilizing device used in this embodiment includes an ultraviolet lamp (e.g., an ultraviolet water treatment sterilizing lamp) and an ozone generator. The ultraviolet lamp tube may be installed above the sterilizing tank 172 or inside the sterilizing tank 172, the ozone generator is disposed in the apparatus tank 173, and ozone produced by the ozone generator is transferred into the sterilizing tank 172 through the pipe 1731. The sewage in the sterilizing tank 172 is sterilized, deodorized and decomposed to organic matters under the catalytic oxidation of ultraviolet rays and ozone, so that the further purification of the sewage is achieved. In other embodiments, the disinfection device may use only ultraviolet lamps or ozone generators.

Example 3

As shown in fig. 4, the basic structure of the cyclic flushing ecological toilet provided in this embodiment is the same as that of embodiment 1, except that the cyclic flushing ecological toilet further includes a water purifying storage tank 18 and an atomizing device 19, the water purifying storage tank 18 is located downstream of the activated carbon filter tank 16 and is configured to store purified water, and the purified water obtained by filtering in the activated carbon filter tank 16 is pumped into the water purifying storage tank 18 by a water pump 161. The atomizing device 19 is connected to the purified water storage tank 18 through a water pipe, and when the purified water is too much, the purified water can be pumped into the atomizing device 19 through the water pump 181 and discharged after being atomized.

As shown in fig. 5, the atomizing device 19 includes a housing 191, and a plurality of ultrasonic atomizers 192 disposed inside the housing, and an air inlet 193 and an air outlet 194 are provided on the top surface of the housing 191, wherein a fan is disposed at the air inlet 193.

The atomizing device is a standby device, can use the level gauge and the solenoid valve to carry out automatic control, and when the ecological bathroom water yield of cyclic flushing reaches the overflow warning line, the atomizing device automatically operates, and the unnecessary clean water is sprayed out in an atomizing mode, so that the system is ensured not to have clear water overflow.

Example 4

The cyclic flushing ecological toilet provided by the invention can be remotely managed by combining an Internet of things remote management system, and as shown in fig. 6, the cyclic flushing ecological toilet comprises a toilet 001, a cloud calculator 002 and communication equipment 003. Communication device 003 establishes communication with cloud calculator 002 through a wireless network or a wired network; the cloud calculator 002 establishes communication with the toilet 001 through a wireless network or a wired network; the cloud calculator 002 and/or the communication device 003 receives the toilet 001 status information or the like transmitted by the toilet 001 and manages the toilet 001; in addition, the communication device 003 controls the toilet position and the water treatment unit of the toilet 001 via the cloud calculator 002, or the cloud calculator 002 directly controls the toilet position and the water treatment unit of the toilet 001.

In the present invention, the communication device 003 may be a mobile communication device or a fixed communication device (such as a desktop computer), may transmit or receive signals by way of a wired or wireless network or the like, or may process or store signals in a physical storage state such as a memory. Each communication device 003 may be an electronic apparatus comprising hardware, software, or embedded logic components, or a combination of two or more such components, and is capable of performing the appropriate functions implemented or supported by the communication device. For example, the communication device 003 may be a mobile communication device, such as a smart phone, tablet, portable email device, electronic book, handheld gaming machine and/or game controller, notebook, netbook, handheld electronic device, smart wearable device, and so forth. The present invention encompasses any suitable communication device. The communication device may enable a user using the communication device to access the network. Specifically, the communication device may include: a processing device comprising an application processing section and a radio frequency/digital signal processor; a display screen; a keypad that may include physical keys, touch keys overlaid on a display screen, or a combination thereof; a subscriber identity module card; a memory device that may include ROM, RAM, flash memory, or any combination thereof; wi-Fi and/or bluetooth interfaces; a wireless telephone interface; a power management circuit with an associated battery; a USB interface and a connector; an audio management system with associated microphone, speaker and headphone jack; and various optional accessory components such as digital cameras, global positioning systems, accelerators, and the like. In addition, various client applications or software may be installed on the communication device, which may be used to allow commands suitable for operation with other devices to be transmitted using the communication device. Such applications may be downloaded from a server and installed into the memory of the communication device or may have been previously installed on the communication device.

In the present invention, the communication device 003 is installed with a toilet user terminal management application which can help the user to realize the functions of managing the toilet 001, including but not limited to turning off or starting the water pumps, turning off or starting the sterilizing devices, turning off or starting the aerating devices, locking or opening the toilet door, etc.

In the present invention, the cloud calculator 002 is a server. The term server is understood herein to mean a service point providing a processing, database, communication facility. For example, a server may refer to a single physical processor with associated communication and data storage and database facilities, or it may refer to an aggregate of networked or aggregated processors, associated networks, and storage devices, and operate on software and one or more database systems and application software supporting services provided by the server. Servers may vary widely in configuration or performance, but servers may generally include one or more central processing units and memory. The server also includes one or more mass storage devices, one or more power supplies, one or more wired or wireless network interfaces, one or more input/output interfaces, or one or more operating systems, such as WindowsServer, macOSX, unix, linux, freeBSD, etc. In particular, the cloud computing may be a monolithic server or a decentralized server across multiple computers or computer data centers. The server may be of various types such as, but not limited to, a web server, news server, mail server, message server, advertisement server, file server, application server, interaction server, database server, or proxy server. In some embodiments, each server may include hardware, software, or embedded logic components or a combination of two or more such components for performing the appropriate functions supported by or implemented by the server. In the present invention, the server is used to provide all functions necessary to support management of the bathroom 001.

In the present invention, the wireless network encompasses any suitable wireless network, such as, but not limited to, a 4G network, a 3G network, GPRS, wi-Fi, and the like. In addition, the wireless network coupling the cloud calculator 002 and the communication device 003 and the wireless network coupling the cloud calculator 002 and the toilet 001 may be the same wireless network or different wireless networks.

Fig. 7 shows a schematic diagram of functional modules of the networked remote control toilet 001 provided in the present embodiment. As shown in fig. 7, the toilet 001 includes a CPU module 101, and a transceiver module 102, a liquid level sensor module 103, a water pump control module 104, a sterilizing device control module 105, a toilet door lock control module 106, a memory 107, an atomizing device control module 108, and a power supply module 109 that supply power to the respective modules, which are communicably connected to the CPU module 101, respectively.

The CPU module 101 is a central processing unit of the toilet 001, and performs overall control of operations and the like of each module of the toilet 001, for example, processing instructions from the cloud calculator 002, information from other modules of the toilet 001, and the like, and transmitting control instructions and the like to the other modules.

The transceiver module 102 includes, for example, an antenna, a buffer, etc. (e.g., a 4G router), and is connectable to a wireless network for transmitting and receiving information to and from external devices such as the communication device 003 and the cloud calculator 002 under the control of the CPU module 101.

The liquid level sensor module 103 may employ various sensors for detecting a liquid level, such as a liquid level meter, as long as it can detect liquid level information and provide liquid level height information to the CPU module 101.

The water pump control module 104 may be, for example, an electromagnetic valve or an electrically controlled water pump, and is used for controlling the circulation of water flow, and it is sufficient to receive and execute the instruction of opening or closing the water flow channel sent by the CPU module 101.

The sterilizing device control module 105 may control the start and stop of the sterilizing device by controlling the power supply, for example, and may be capable of receiving and executing the start or stop command sent by the CPU module 101.

The toilet door lock control module 106 may be, for example, an electromagnetic lock, etc., for controlling the opening and closing of the toilet door, and is capable of receiving and executing an instruction for opening or closing the toilet door sent by the CPU module 101, and monitoring status information (locking status, unlocking status) of the toilet door lock, and reporting the status information to the CPU module 101. For example, when the number of users (the number of times of opening and closing the toilet door) reaches a set threshold or when the equipment fails, the CPU module 101 issues an instruction to close the toilet door, so that the toilet can be prohibited from being used continuously.

The memory 107 is used to store information provided by the remaining modules (if needed) to the CPU module 101, such as the liquid level information provided by the liquid level sensor module 103 to the CPU module 101, the status information of the toilet door lock provided by the toilet door lock control module 106 to the CPU module 101, and so on.

The atomizing device control module 108 may control the start and stop of the atomizing device by controlling the power supply, and may receive and execute the start or stop command sent by the CPU module 101.

The power supply module 109 may be connected to a municipal circuit, a solar power supply, and a wind power supply, and may supply power to the above-mentioned various electronic modules. The power supply module 109 is electrically connected to the CPU module 101 to supply power to other modules via the CPU module 101, but may be directly and electrically connected to each module to supply power thereto.

The modules shown in fig. 7 may be integrated as a whole as in the following embodiments, or some of the modules may be present outside the toilet case as separate electronic devices, so long as necessary information about the CPU module 101 can be transmitted and received via necessary lines or the like.

Regarding the liquid level control, a liquid level sensor module 103 for monitoring the liquid level can be disposed inside each treatment tank (including the anaerobic biological reaction tank 11, the aerobic biological reaction tank 12, the first biological filtration reaction tank 13, the inorganic filtration tank 14, the second biological filtration reaction tank 15 and the activated carbon filtration tank 16) in the water treatment unit 01, and can detect the liquid level information and provide the liquid level information to the CPU module 101, and if the liquid level of the reaction tank exceeds a preset threshold, the CPU module 101 sends a start command to a water pump control module 104 (such as a solenoid valve or a self-priming water pump) disposed downstream of the treatment tank, and the water pump starts pumping water to the downstream reaction tank. Optionally, when the tank level is below a predetermined threshold, the CPU module 101 issues a start command to a pump control module 104 (e.g., solenoid valve or self priming pump) disposed upstream of the process tank, where the pump begins to replenish water from the upstream tank to the tank. Similarly, a liquid level sensor module 103 and a water pump control module 104 for monitoring the liquid level can be arranged inside the disinfection and sterilization tank 17, and the automatic adjustment of the water level can be realized. Specifically, a liquid level sensor module 103 and a water pump control module 104 for monitoring the liquid level are required to be arranged in the water purification storage tank 18, when the liquid level of the water purification storage tank 18 exceeds a preset threshold value, the CPU module 101 sends a starting instruction to the water pump control module 104 arranged at the downstream of the water purification storage tank 18, the water pump starts to pump water to the atomizing device 19 at the downstream, after the liquid level sensor module 103 arranged in the atomizing device 19 monitors a proper water level, the CPU module 101 sends a starting instruction to the atomizing device 19 so as to atomize and discharge redundant water, and after atomization is completed, the CPU module 101 instructs the atomizing device 19 to be closed; when the water level in the clean water tank 18 is below a predetermined threshold, the CPU module 101 issues a start command to the pump control module 104 disposed upstream of the clean water tank 18, and the pump begins to replenish water from the upstream reaction tank to the clean water tank 18.

Example 5

In this example, the sewage treatment effect of the water treatment unit of example 1 was examined, and the biomass in the biomass filtration reaction tank was screened. Toilet sewage (COD) _Cr About 8000mg/L; BOD (BOD) ₅ About 4000mg/L; SS is about 7000mg/L; ammonia nitrogen is about 600mg/L; the chromaticity is about 500), and the indexes of the primary treatment water obtained after the anaerobic biological reaction tank and the aerobic biological reaction tank are as follows: COD (chemical oxygen demand) _Cr About 600mg/L; BOD (BOD) ₅ About 500mg/L; SS is about 80mg/L; ammonia nitrogen is about 200mg/L; the chromaticity was about 300.

The inorganic adsorption material in the inorganic filter tank was a high-efficiency solid filter material for sewage treatment disclosed in patent document CN201510808404.8, and the volume was 0.5 cubic meters. And filling various biomass filter materials into the first biomass filter reaction tank and the second biomass filter reaction tank for testing, wherein the volumes of the biomass filter materials are 0.5 cubic meter. The primary treatment water is sequentially treated by a first biomass filtering reaction tank, an inorganic filtering tank and a second biomass filtering reaction tank. The test process lasts for 5 days, 4 cubic meters of sewage is treated in total, and various indexes are detected after the treatment is finished.

Wherein, the experimental group 1 uses peanut shell scraps; experimental group 2 used rice hulls; wood chips were used for experimental group 3; experiment group 4 used shrimp shell dust; experiment group 5 used crushed wood chips and rice hulls with a volume ratio of 1:1.

TABLE 1

The detection result shows that the treatment effect of using wood chips as biomass filter materials is best. However, in the subsequent experiments, when the biomass filter reaction tank is used for more than 4 months in a long-time use process, the filtering efficiency of the wood chips is reduced, sewage is easy to block, so that the sewage cannot smoothly flow through the biomass filter reaction tank, and through repeated experiments, the rice hulls with the volume of 10% -20% are added into the wood chips, so that the filtering efficiency of the wood chips can be remarkably improved, and the service life of the biomass filter reaction tank can be prolonged by more than 1 time.

Because the rice hulls are high in pigment content, the pigment can be dissolved out under the condition of long-time water soaking, the chromaticity removal effect is affected, repeated experiments show that the filtering efficiency can be improved after the rice hulls are mixed with wood chips by using a 1% NaOH solution and treating the rice hulls for about 2 hours at the solid-to-liquid ratio of about 1:10 (weight) and then flushing the rice hulls to neutrality by using clear water. Therefore, through intensive research, the biomass filler in the optimal biomass filtering reaction tank is finally obtained and is a mixed filler of wood chips and rice hulls, the volume ratio of the wood chips to the rice hulls is 4-8:1, wherein the rice hulls are treated at a solid-to-liquid ratio of about 1:10 (weight) for about 2 hours by using a 1% NaOH solution at 50-60 ℃. The improved biomass adsorption material is used for treating sewage, and COD of the treated sewage _Cr About 63mg/L; BOD (BOD) ₅ About 34mg/L; SS is about 4mg/L; ammonia nitrogen is about 8mg/L; the chromaticity was about 16. The service life of the filler in the material filtering reaction tank is prolonged by about 1.5 times. The sewage after the treatment is filtered by the active carbon in the active carbon filter tank to obtain colorless, clear and transparent purified water.

The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. The zero-emission movable type circulating flushing ecological toilet is characterized by comprising a toilet seat and a water treatment unit, wherein the water treatment unit comprises an anaerobic biological reaction tank, an aerobic biological reaction tank, a first biological filtering reaction tank, an inorganic filtering tank, a second biological filtering reaction tank and an active carbon filtering tank which are sequentially connected with water pipes, sewage generated by the toilet seat is discharged into the anaerobic biological reaction tank and sequentially passes through the aerobic biological reaction tank, the first biological filtering reaction tank, the inorganic filtering tank, the second biological filtering reaction tank and the active carbon filtering tank to be treated to obtain clean water, and at least a part of the obtained clean water is recycled as toilet flushing water; the biomass filtering reaction tank is filled with a biomass adsorption material, and the biomass adsorption material comprises a mixture of wood chips and rice hulls; the volume ratio of the wood dust to the rice husk in the biomass adsorption material is 4-9:1; the rice hull is pretreated rice hull, and the pretreatment conditions of the rice hull are as follows: 1% NaOH solution is used, and the water is washed to be neutral after being treated for 2 hours at 50-60 ℃ in a solid-to-liquid ratio of 1:10 by weight.

2. The circulating flush toilet of claim 1, wherein the biomass filter reaction tank is filled with biomass adsorbing material.

3. The cyclic flushing ecosystem of claim 1, wherein the aerobic biological reaction tank includes an aeration device.

4. The cyclic flush ecosystem of claim 1, wherein the water treatment unit further comprises a disinfection and sterilization tank disposed between the second biomass filtration reaction tank and the activated carbon filtration tank.

5. The cyclic flushing ecosystem of claim 4, wherein the sanitizing tank includes an ultraviolet emitting device and/or an ozone generating device.

6. The cycle flush toilet of claim 1, further comprising an atomizing device connected downstream of the activated carbon filter tank.

7. The circulating flush toilet of claim 6, wherein the atomizing means comprises one or more ultrasonic atomizers.

8. The circulating flush toilet of claim 1, wherein the inorganic filter tank is configured to be filled with an inorganic adsorbent material.