CN102001801B - Technology for ultrasonic atomization treatment of overflow water of biochemical environmental-friendly toilet - Google Patents

Technology for ultrasonic atomization treatment of overflow water of biochemical environmental-friendly toilet Download PDF

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Publication number
CN102001801B
CN102001801B CN 201010612351 CN201010612351A CN102001801B CN 102001801 B CN102001801 B CN 102001801B CN 201010612351 CN201010612351 CN 201010612351 CN 201010612351 A CN201010612351 A CN 201010612351A CN 102001801 B CN102001801 B CN 102001801B
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water
ultrasonic atomization
biochemical
overflow
overflow water
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CN 201010612351
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CN102001801A (en
Inventor
毋瑾超
骆根火
夏小明
骆小路
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SHANGHAI SENHE ENVIRONMENTAL TECHNOLOGY Co Ltd
Second Institute of Oceanography SOA
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SHANGHAI SENHE ENVIRONMENTAL TECHNOLOGY Co Ltd
Second Institute of Oceanography SOA
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Abstract

The invention relates to a technology for ultrasonic atomization treatment of overflow water of a biochemical environmental-friendly toilet. In the technology for the ultrasonic atomization treatment of the overflow water of the biochemical environmental-friendly toilet, an MBR (Membrane Biological Reactor) membrane assembly, a three-stage water treater, a disinfection tank, an atomization distribution box and an ultrasonic atomization box are sequentially arranged, and the overflow water is treated by the following processes of: (1) firstly, pumping the overflow water into an MBR pool, filtering the overflow water with the MBR membrane assembly to obtain high-quality outflow water, and periodically discharging excess sludge back to the inside of a biochemical box; (2) leading the outflow water in the step (1) to enter the three-stage water treater; (3) leading the outflow water in the step (2) to enter the disinfection tank for disinfection treatment; and (4) leading the outflow water in the step (3) to enter the ultrasonic atomization box, atomizing the outflow water into micro particles of 1-3mum, and discharging into the air for mixing and dispersion. By discharging the overflow water in an atomization way by virtue of an ultrasonic principle, the invention is free from the influences of terrains, climates and supporting facilities, is an all-around biochemical environmental-friendly toilet treatment terminal, and has the characteristics of convenience, rapidness, no secondary pollution and the like.

Description

A kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet
Technical field
The present invention relates to a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet, can be widely used in field of environment protection.
Background technology
The enhancing of Along with people's environmental consciousness and government are to the attention of environmental protection cause, and biochemical environment protection water closet industry gets into the fast-developing phase, and all kinds of relevant green technologies continue to bring out.Biochemical environment protection water closet be with traditional O the novel treatment fecal sewage technology of biochemical process and the film MBR treatment process perfect adaptation of current popular, it mainly utilizes the superior microorganism sewage of degrading fully, and handles further purification through film; Product is gas, water and a small amount of residue, and gas is nontoxic discharging after purifying, and residue can be used as fertilizer; Be characterized in that degradation speed is fast; Complete decomposition has pollution-freely, need not characteristics such as pipe network input.
The green technology of biochemical environment protection water closet is primarily aimed at water saving and reduces discharging two aspects, and water saving does not belong to the main scope that the present invention relates to, and will not give unnecessary details here.Reducing discharging mainly is to reduce sewage discharge, is the subject matter that the present invention is directed to.Biochemical environment protection water closet sewage belongs to a kind of of sewage; So present biochemical environment protection water closet sewage disposal technology is to develop from water technology; The technology kind totally can be divided into two kinds of biochemical process and physico-chemical process; Perhaps both reduce the sewage discharge purpose also with reaching the purification sanitary wastewater through wherein a kind of method of independent use.But above treatment technology has just reduced the discharging of pollutent; WWT is become reuse water; Water purification after the processing reaches middle water reuse standard; Except that major part is used for biochemical environment protection water closet itself recycles once more, remain still that water needs discharging in the small portion, be referred to as overflow water for this small portion water industry.Overflow water can reach the reuse water standard under the situation preferably in the biochemical environment protection water closet system handles of foam microorganisms; Stable effluent quality; Aquifer yield is less relatively, but overflow water needs long-term discharging, is the problem that must face during all biochemical environment protection water closets use.
In the industry the overflow water treating method is mainly contained three kinds at present: the one, reuse once more stores overflow water as landscape water or cleaning water; The 2nd, utilize sewer line to enter sewage work; The 3rd, adopt the soil permeability method to handle under the situation that partial condition allows.Biochemical environment protection water closet is followed the people activity venue and is placed, so biochemical environment protection water closet environment for use is very complicated, and above three kinds of ways are higher to biochemical environment protection water closet environment fitness, so there is significant disadvantages separately.
The most frequently used in the existing overflow water solution is to enter sewage work through sewer line; This method is because of having relatively high expectations to municipal Infrastructure; Strictness has limited biochemical environment protection water closet place to use, mainly is applicable to the city, then need lay sewer line for comparatively remote using like regions such as junction, town and country, rural area, scenic spot, island; So increase biochemical environment protection water closet construction cost, yet needed long-term payment WWT expense simultaneously.What secondly use always is the soil permeability method, and water inserts 50cm depths, the face of land through pipeline again, utilizes the purification function of soil self to get into ground water regime in water purification back again; This is the simplest treating method, and the comparatively difficulty but this way operates receives soil property, the influence of the overflow water yield easily; If simultaneously biochemical environment protection water closet is on the hard face of land as actually operating will be difficult more on concrete, harbour, the stone mountain, scenic spot the time; And in the soil of sewage treating processes, if process parameters design is improper, along with the growth of system operation time; The rate of permeation of soil will descend gradually, and the hole latch up phenomenon can occur.Many researchs prove that all microbial process is an important reasons that causes the soil pores to be stopped up.Many scholar's research such as Baveye show; Produce a large amount of extracellular polymeric and microbial film in the microbial metabolism; Especially in anaerobic environment, intermediate products such as polysaccharide that has little time to decompose and protein stop up the soil active porosity, make soil permeability reduce.At last a kind of is that overflow water is stored, and irrigates or cleaning water as view then, and this method must just in time have this kind party in request practicable near the lavatory, and this situation occupation proportion is minimum in all lavatories.
Summary of the invention
The present invention is exactly in order to overcome the prior art deficiency; A kind of overflow water ultrasonic atomization treatment process that provides; Through the UW principle with the overflow water atomizing discharge; Not influenced by landform, weather, auxiliary facility, is omnibearing biochemical environment protection water closet processing terminal, and has characteristics such as convenient, fast, non-secondary pollution.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet; It is characterized in that comprising the MBR membrane module that sets gradually, three grades of water treating devices, sterilization pool, atomizing distributor box and ultrasonic atomization casees, and the overflow water that adopts the biochemical case of the biochemical environment protection water closet of following flow processing to discharge:
The overflow water of 1) earlier biochemical case being discharged stores; Through the liquidometer that connect to be provided with and lift pump quantitatively with in the overflow water suction MBR pond; The MBR membrane module of overflow water in the MBR pond filters; Obtain high-quality water outlet, and excess sludge is returned row's pump through the excess sludge in the MBR pond regularly return and be discharged in the biochemical case, with concentration of activated sludge and sludge age in the control MBR pond;
2) water outlet with step 1) gets into three grades of water treating devices again; The first step is removed in the water with 5 μ mPPF polypropylene fibre filter cores and is reached a material material greater than 5 μ m sestons, the clarification water source, and heterochromatic peculiar smell in the sticking bar-shaped active carbon filter core planar water is pressed with 5 μ mCTO in the second stage; It is organic to remove part; Inorganic impurity, and the chlorine residue in the active adsorption water improve the quality of water; The third stage is with 0.1 μ mCF total silicon algae micropore ceramic filter element, removes in the water intestinal bacteria, Salmonellas, golden staphylococci, Pseudomonas aeruginosa and mould pathogenic bacterium greater than 0.1 μ m;
3) with step 2) water outlet get into the sterilization pool disinfection again, adopt the Youxiaolin sterilization in the sterilization pool, so far, overflow water reaches reclaimed water standard (CJ/48-1999);
4) the atomizing distributor box is introduced in the water outlet of step 3); Automatically control entering ultrasonic atomization case through connecting the liquid level equilibrium meter, the SV that are provided with again; Water level in the control ultrasonic atomization case reaches the optimum position; Overflow water gets into and to reach certain water level behind the ultrasonic atomization case and trigger the casing interoceptor automatically and start ultrasonic atomization equipment, and liquid mist is changed into the molecule of 1-3 μ m, through blower fan mist is entered to mix in the air by fog output hole and dissipates.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet is characterized in that said MBR pond, three grades of water treating devices, sterilization pool, atomizing distributor box and the equal circuits of ultrasonic atomization case are connected to the PLC unit.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet is characterized in that being provided with in the said PLC unit override protection module and temperature protection module.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet; It is characterized in that said MBR membrane module is equipped with purging system; The one, be used for membrane module air water vibration on every side, keep the film cleaning surfaces, the 2nd, for biology provides degraded needed oxygen.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet is characterized in that said atomizing distributor box is equipped with two cover ultrasonic atomization casees, through time circulator control, one after the other work.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet, what it is characterized in that said blower fan employing is aerofoil fan.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet is characterized in that said MBR pond, three grades of water treating devices, sterilization pool, atomizing distributor box and ultrasonic atomization casees and the setting of PLC controller integral.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet is characterized in that water outlet is pumped in three grades of water treating devices through going out water pump in the step 1).
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet is characterized in that the piezoelectric ceramics that said ultrasonic atomization equipment is equipped with for the ultrasonic atomization case, and is connected in the oscillatory circuit of piezoelectric ceramics.
Described a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet is characterized in that the gas blower that said purging system is equipped with for the MBR membrane module.
Present technique is as the terminal of biochemical environment protection water closet treatment system, in conjunction with MBR technology and ultrasonic technology, carries out liquid state after overflow water purified once more and transfers the gasiform morphological transformation to, and then reach thorough nothing discharging through blower fan and air mixed.Compared with prior art, the present invention has following characteristics:
1. utilize ultrasonic atomization technique that liquid transition is gas, can be melt into fast in the air, thoroughly reach non-pollutant discharge, no overflow water discharge function.
2. UW overflow water atomization technique can not pollute peripheral soil, water body, air.
3. utilize advanced MBR treatment process to the overflow water purifying treatment, make that the gas after the atomizing can not pollute air.
4. integral structure can be built in the biochemical environment protection water closet system, has reduced floor space and biochemical environment protection water closet later maintenance debugging cost.
5. supporting setting does not require integral structure to biochemical environment protection water closet periphery, and environmental compatibility is strong.
6. whole-course automation control, regular job is safeguarded simple.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure, 1, biochemical case; 2, MBR membrane module; 3, go out water pump; 4, gas blower; 5, excess sludge returns row's pump; 6, MBR pond; 7, three grades of water treating devices; 8, sterilization pool; 9, atomizing distributor box; 10, fog output hole; 11, ultrasonic atomization case; 12, PLC unit.
Embodiment
Below in conjunction with Figure of description the present invention is described further:
As shown in Figure 1; Originally the overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet; MBR membrane module that employing sets gradually 2, three grades of equipment such as water treating device 7, sterilization pool 8, atomizing distributor box 9 and ultrasonic atomization case 11 are handled overflow water, and flow process is following:
The overflow water of 1) earlier biochemical case 1 being discharged stores, and through connecting the liquidometer that is provided with and lift pump quantitatively with in the overflow water suction MBR pond 6, the MBR membrane module 2 of overflow water in MBR pond 6 filters; The realization liquid dung separates, and on the one hand, film has been held back the mikrobe in the reaction tank; Make the big increase of activated sludge concentration in the pond, reach very high level, make the biochemical reaction of degradation of sewage carry out more thoroughly more rapidly; On the other hand; Because the high filtering precision of film has guaranteed that water outlet is as clear as crystal, obtains high-quality water outlet.
In this step, the also supporting systems such as water outlet, backwash, cleaning, purging that are provided with of said MBR membrane module 2, the purging in the film district (aeration) has two purposes; The one, be used for membrane module air water vibration on every side, keep the film cleaning surfaces, the 2nd, for biology provides degraded needed oxygen; Through the efficient crown_interception of film, all bacteriums and suspended substance are all dammed in the aeration tank, can the effectively catching nitrifier; Nitration reaction is carried out smoothly, effectively remove ammonia nitrogen; Simultaneously can hold back the larger molecular organics that is difficult to degrade, prolong its residence time in reactor drum, make it to be degraded to greatest extent.Like Fig. 1, purging system comprises the gas blower 4 that MBR membrane module 2 is equipped with.
In this step, excess sludge returns row's pump 5 regular returning through the excess sludge in the MBR pond 6 and is discharged in the biochemical case 1, with concentration of activated sludge and sludge age in the control MBR pond 6.
2) water outlet with step 1) is pumped in three grades of water treating devices 7 through going out water pump 3; The first step is removed in the water with 5 μ mPPF polypropylene fibre filter cores and is reached a material material greater than 5 μ m sestons, the clarification water source, and heterochromatic peculiar smell in the sticking bar-shaped active carbon filter core planar water is pressed with 5 μ mCTO in the second stage; It is organic to remove part; Inorganic impurity, and the chlorine residue in the active adsorption water improve the quality of water; The third stage is with 0.1 μ mCF total silicon algae micropore ceramic filter element, removes in the water intestinal bacteria, Salmonellas, golden staphylococci, Pseudomonas aeruginosa and mould pathogenic bacterium greater than 0.1 μ m;
3) for guaranteeing the water quality after water treating device filters, with step 2) water outlet get into sterilization pool 8 disinfections again, adopt the Youxiaolin sterilization in the sterilization pool 8, so far, overflow water reaches reclaimed water standard (CJ/48-1999);
4) atomizing distributor box 9 is introduced in the water outlet of step 3); Automatically control entering ultrasonic atomization case 11 through connecting the liquid level equilibrium meter, the SV that are provided with again; Water level in the control ultrasonic atomization case 11 reaches the optimum position; Reach certain water level behind the overflow water entering ultrasonic atomization case 11 and trigger casing interoceptor startup ultrasonic atomization device start automatically; Liquid mist is changed into the molecule of 1-3 μ m, and ultrasonic atomization case 11 is provided with aerofoil fan and fog output hole 10, through blower fan mist is entered to mix in the air by fog output hole 10 and dissipates.
In this step; Said ultrasonic atomization equipment is the piezoelectric ceramics that ultrasonic atomization case 11 is equipped with; And be connected in the oscillatory circuit of piezoelectric ceramics; Its principle is to utilize the intrinsic ultra-sonic oscillation characteristics of piezoelectric ceramics, produces resonance through certain oscillatory circuit means and piezoelectric ceramics natural mode shape, just can directly the liquid mist that contacts with piezoelectric ceramics be changed into the molecule of 1-3 μ m.
Owing to can produce big heat during UW work, the too high meeting of temperature influence the work-ing life of ultrasonic atomization core, so in this step, said atomizing distributor box 9 is equipped with two cover ultrasonic atomization casees 11, through time circulator control, one after the other work.
In the technology of the present invention; MBR pond 6, three grades of water treating devices 7, sterilization pool 8, atomizing distributor box 9 and ultrasonic atomization casees 11 etc. all circuit are connected to PLC unit 12; The whole PLC system that adopts of whole overflow water ultrasonic atomization treatment system; ASIC micro computer fully automatic operation, and integrated setting, and in said PLC unit 12, be provided with override protection module and temperature protection module simultaneously.

Claims (10)

1. overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet; It is characterized in that comprising the MBR membrane module (2), three grades of water treating devices (7), sterilization pool (8), atomizing distributor box (9) and the ultrasonic atomization case (11) that set gradually, and the overflow water that adopts the biochemical biochemical case of environment protection water closet of following flow processing (1) to discharge:
The overflow water of 1) earlier biochemical case (1) being discharged stores; Through the liquidometer that connect to be provided with and lift pump quantitatively with in the overflow water suction MBR pond (6); The MBR membrane module (2) of overflow water in MBR pond (6) filters; Obtain high-quality water outlet, and excess sludge is returned row's pump (5) through the excess sludge in MBR pond (6) regularly return and be discharged in the biochemical case (1), with control interior concentration of activated sludge in MBR pond (6) and sludge age;
2) water outlet with step 1) gets into three grades of water treating devices (7) again; The first step is removed in the water with 5 μ mPPF polypropylene fibre filter cores and is reached a material material greater than 5 μ m sestons, the clarification water source, and heterochromatic peculiar smell in the sticking bar-shaped active carbon filter core planar water is pressed with 5 μ mCTO in the second stage; It is organic to remove part; Inorganic impurity, and the chlorine residue in the active adsorption water improve the quality of water; The third stage is with 0.1 μ mCF total silicon algae micropore ceramic filter element, removes in the water intestinal bacteria, Salmonellas, golden staphylococci, Pseudomonas aeruginosa and mould pathogenic bacterium greater than 0.1 μ m;
3) with step 2) water outlet get into sterilization pool (8) disinfection again, adopt the Youxiaolin sterilization in the sterilization pool (8), so far, overflow water reaches reclaimed water standard (CJ/48-1999);
4) atomizing distributor box (9) is introduced in the water outlet of step 3); Automatically control entering ultrasonic atomization case (11) through connecting the liquid level equilibrium meter, the SV that are provided with again; Water level in the control ultrasonic atomization case (11) reaches the optimum position; Reach certain water level behind the overflow water entering ultrasonic atomization case (11) and trigger casing interoceptor startup ultrasonic atomization equipment automatically; Liquid mist is changed into the molecule of 1-3 μ m, through blower fan mist is entered to mix in the air by fog output hole (10) and dissipate.
2. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 1 is characterized in that the equal circuit of said MBR pond (6), three grades of water treating devices (7), sterilization pool (8), atomizing distributor box (9) and ultrasonic atomization case (11) is connected to PLC unit (12).
3. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 2 is characterized in that being provided with in the said PLC unit (12) override protection module and temperature protection module.
4. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 1; It is characterized in that said MBR membrane module (2) is equipped with purging system; The one, be used for membrane module air water vibration on every side; Keep the film cleaning surfaces, the 2nd, for biology provides degraded needed oxygen.
5. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 1 is characterized in that said atomizing distributor box (9) is equipped with two cover ultrasonic atomization casees (11), through time circulator control, one after the other work.
6. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 1, what it is characterized in that said blower fan employing is aerofoil fan.
7. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 2 is characterized in that said MBR pond (6), three grades of water treating devices (7), sterilization pool (8), atomizing distributor box (9) and ultrasonic atomization case (11) and PLC unit (12) integrated setting.
8. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 1 is characterized in that water outlet is pumped in three grades of water treating devices (7) through going out water pump (3) in the step 1).
9. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 1; It is characterized in that said ultrasonic atomization equipment is the piezoelectric ceramics that ultrasonic atomization case (11) is equipped with, and be connected in the oscillatory circuit of piezoelectric ceramics.
10. a kind of overflow water ultrasonic atomization treatment process that is used for biochemical environment protection water closet as claimed in claim 4 is characterized in that said purging system is the gas blower (4) that MBR membrane module (2) is equipped with.
CN 201010612351 2010-12-30 2010-12-30 Technology for ultrasonic atomization treatment of overflow water of biochemical environmental-friendly toilet Expired - Fee Related CN102001801B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2562149B2 (en) * 1987-09-18 1996-12-11 郁夫 丸岡 Purification device
CN1443507A (en) * 2003-04-19 2003-09-24 陈云祖 Water-saving ecological closet
CN1657449A (en) * 2004-02-16 2005-08-24 北京兰利东方科技有限公司 Sewage treatment system for public lavatory
CN2737781Y (en) * 2004-04-30 2005-11-02 陈子续 Intelligent environment protection ecological lavatory
US7371323B1 (en) * 2004-08-11 2008-05-13 Spielman Rick B System and method for reducing wastewater contaminants
CN201350030Y (en) * 2009-01-08 2009-11-25 深圳市坤道科技有限公司 Foaming microbe ecological flushing-free toilet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2562149B2 (en) * 1987-09-18 1996-12-11 郁夫 丸岡 Purification device
CN1443507A (en) * 2003-04-19 2003-09-24 陈云祖 Water-saving ecological closet
CN1657449A (en) * 2004-02-16 2005-08-24 北京兰利东方科技有限公司 Sewage treatment system for public lavatory
CN2737781Y (en) * 2004-04-30 2005-11-02 陈子续 Intelligent environment protection ecological lavatory
US7371323B1 (en) * 2004-08-11 2008-05-13 Spielman Rick B System and method for reducing wastewater contaminants
CN201350030Y (en) * 2009-01-08 2009-11-25 深圳市坤道科技有限公司 Foaming microbe ecological flushing-free toilet

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