CN103771669A - Composite type urban domestic sewage whole-set treatment device - Google Patents
Composite type urban domestic sewage whole-set treatment device Download PDFInfo
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- CN103771669A CN103771669A CN201410076962.5A CN201410076962A CN103771669A CN 103771669 A CN103771669 A CN 103771669A CN 201410076962 A CN201410076962 A CN 201410076962A CN 103771669 A CN103771669 A CN 103771669A
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Abstract
The invention discloses a composite type urban domestic sewage whole-set treatment device. According to the sewage treatment device disclosed by the invention, a pretreater is connected with an anaerobic reactor; the anaerobic reactor is connected with an aerobiotic reactor; the aerobiotic reactor is connected with a film reactor; the film reactor is divided into a filming reaction area and a recycling water area; treated sewage is output from an output hole of the recycling water area. According to the composite type urban domestic sewage whole-set treatment device disclosed by the invention, a film component is reacted in an anaerobic environment, so that the residual sludge amount is greatly reduced. In the anaerobic treatment process, harmful organisms such as parasite eggs in sewage and sludge can be killed, and substances which cannot be degraded through aerobic treatment can be degraded, and meanwhile through anaerobic reaction, the film component pollution can be alleviated, the energy consumption can be reduced, the sludge amount and the sludge concentration can be reduced, a conventional device for spoil disposal and phosphorous removal can be changed, and the application environment of the film component is improved.
Description
Technical field
The invention belongs to sewage treatment area, be specifically related to a kind of compound town domestic sewage set treatment device.
Background technology
Along with the development of urbanization, urban population is more and more, and the sanitary sewage that urban population produces is also more and more.Do not have treated sanitary sewage to discharge arbitrarily, can pollute physical environment.Current water body natural purification function cannot have been recovered polluted water, need to before discharge, process sanitary sewage.Town sewage processing has: the little 100～2000m3/d for the treatment of scale; Transportation, hoisting difficulty is large; Process points is disperseed, and it is difficult to collect, and pipe network investment is high; The features such as management of water adjustment.
In at present common sewage disposal, part adopts coagulation, only can remove inorganic solid particle and suspended substance, and sanitary sewage after treatment can not reach emission standard.The application of membrane bioreactor (MBR) aspect processing town domestic sewage, more and more obtains people's attention.Existing membrane bioreactor (MBR) mostly is aerobic type, and for guaranteeing the effective flushing to film, gas-water ratio reaches (15～20:1), and aeration rate is large, and energy consumption is high, to ammonia nitrogen poor processing effect, need to pass through spoil disposal dephosphorization.While meeting large gas-water ratio, the dissolving in sewage is high, causes membrane bioreactor in aerobic state.The good sample bacterium cenobium adhesive capacity that aerobic activated sludge forms is large, and concentration is large, strong to the adsorptive power of film silk, and film pollutes large.It is that gas, water are sheared flushing that film rinses usual way, and single online immersion medicine is washed.The purging method that these are traditional, all can not effectively go deep into settled layer inside, causes cleaning not thorough.
Summary of the invention
The compound town domestic sewage set treatment device of one the object of the present invention is to provide, can effectively reduce the souring that aeration forms, compound town domestic sewage set treatment device of the present invention simultaneously, membrane module is processed anaerobic reaction environment, can improve the treatment effect of membrane module.
The present invention realizes like this, a kind of compound town domestic sewage set treatment device, pretreater water outlet is connected with anaerobic reactor water inlet by the first rising pipe, anaerobic reactor water outlet is connected with aerobic reactor water inlet by the second rising pipe, aerobic reactor water outlet is connected with membrane reactor water inlet by the 3rd rising pipe, membrane reactor delivery port is exported sewage after treatment, the housing of membrane reactor divides film formation reaction district and reuse pool by division plate, the 3rd rising pipe water outlet is arranged at bottom, film reaction district, aerobic reactor top gas connects by the first pneumatic tube after gas accelerator, aeration head on the first pneumatic tube is arranged at bottom, film reaction district, first air valve one end is connected with gas blower air outlet by the 5th pneumatic tube, and the other end is connected with the gas inlet of aerobic reactor by the second pneumatic tube, second air valve one end is connected with gas blower air outlet by the 5th pneumatic tube, and the other end is connected with membrane reactor by the 4th pneumatic tube, and the aeration head that the 4th pneumatic tube arranges is downwards positioned at bottom, film reaction district, the 3rd air valve one end is connected with gas blower air outlet by the 5th pneumatic tube, and the other end is connected with membrane reactor by the 3rd pneumatic tube, and the aeration head that the 3rd pneumatic tube upwards arranges is positioned at bottom, film reaction district, film reaction arranges membrane module in district, membrane module water outlet is connected with the 4th rising pipe, the 4th rising pipe the other end is connected with the first recoil valve and the second recoil valve simultaneously, working barrel water side is connected with the first recoil valve and the 3rd recoil valve simultaneously, working barrel water intake end is connected with the second recoil valve and the 4th recoil valve simultaneously, the 3rd recoil valve connects medicated module by the 5th rising pipe, and the 4th recoil valve connects reuse pool by the 6th rising pipe, top, film reaction district arranges physics denitrogenation dephosphorizing district, and physics denitrogenation dephosphorizing district passed through the mouth of a river and is connected with reuse pool, and physics denitrogenation dephosphorizing arranges medicated module in district, and medicated module arranges alkaline dosing district, acid dosing district, oxygenant dosing district, alkalescence dosing district connects the 4th rising pipe by alkaline agent valve, and acid dosing district connects the 4th rising pipe by sour agent valve, and oxygenant dosing district connects the 4th rising pipe by oxidizer valve, top, film reaction district is connected with pretreating zone by sludge pipe, and below, reuse pool arranges mud mouth and is connected with sludge pipe by the first sludge valve, and below, film reaction district arranges mud mouth and is connected with sludge pipe by the second sludge valve.
For improving the level of automation of compound town domestic sewage set treatment device of the present invention, controller is also set in membrane reactor, membrane reactor arranges ultrasonic generator and is connected with controller signals, membrane reactor arranges dissolved oxygen analytic instrument and is connected with controller signals, and gas blower is connected with controller signals.
Discharge for convenience of the mud in compound town domestic sewage set treatment device, aerobic reactor bottom is connected with sludge pipe by the first shore pipe, and suspended substance relief outlet is connected with sludge pipe by the second shore pipe.
For increasing the processing power of compound town domestic sewage set treatment device, the membrane module in membrane reactor arranges 1-5 part, and all membrane module water outlets are connected with the 4th rising pipe.
Technique effect of the present invention:
Compound town domestic sewage set treatment device of the present invention, the device beyond pretreating zone all adopts integrated skid mounted equipment, and anaerobic reactor and aerobic reactor and membrane reactor can be chosen and concentrate or be dispersed into sled according to processing, convenient transportation and installation.
Compound town domestic sewage set treatment device of the present invention, membrane module reacts under anaerobic environment, can obviously reduce surplus sludge volume.In anaerobic treatment process, can kill the harmful organisms such as the parasitic ovum in sewage and mud, the material that degradable aerobic treatment cannot be degraded.Meanwhile, by anaerobic reaction, can slow down membrane module and pollute, reduce energy consumption, reduce sludge quantity and sludge concentration, change the prior device of spoil disposal dephosphorization, improve membrane module applied environment.
Anaerobic reactor adopts modified form upflow anaerobic sludge blanket process structure, macromole and Refractory organic compounds in degradation of sewage fast.Waste disposal plant of the present invention, anaerobic reactor adopts modified form triphase separator, strengthening mud, moisture flow, by inorganic mud with do not decompose macromole organic sludge interception completely, further decompose, finally can not decompose inorganics and be back to pretreating zone, reduce membrane module and stop up.Aerobic reactor top is provided with suspension collecting device, and foam, the suspended substance that can produce air supporting in aeration are collected, and are regularly back to the differential flow type homogeneous pond of pretreating zone by design requirements.
Accompanying drawing explanation
Fig. 1 is invention system diagram.
Fig. 2 is membrane reactor structural representation.
Fig. 3 is aerobic reactor structural representation.
Fig. 4 is anaerobic reactor structural representation.
Reference numeral: 1-sewage inlet, 2-pretreater, 301-the first rising pipe, 302-the second rising pipe, 4-membrane reactor, 401-membrane module, 402-controller, 403-ultrasonic generator, 404-dissolved oxygen analytic instrument, 405-alkalescence dosing district, the acid dosing of 406-district, 407-oxygenant dosing district, 408-physics denitrogenation dephosphorizing district, 409-oxidizer valve, 410-acid agent valve, 411-alkaline agent valve, 412-the 6th rising pipe, 501-the second shore pipe, 502-sludge pipe, 503-the first shore pipe, 6-aerobic reactor, 701-the first recoil valve, 702-the 3rd recoil valve, 703-the second recoil valve, 704-the 4th recoil valve, 705-the first sludge valve, 706-the second sludge valve, 801-the second pneumatic tube, 802-the 3rd rising pipe, 803-the first pneumatic tube, 804-the 4th pneumatic tube, 805-the 3rd pneumatic tube, 806-the 4th rising pipe, 807-the 5th rising pipe, 808-crosses the mouth of a river, 901-the first air valve, 902-the second air valve, 903-the 3rd air valve, 10-gas accelerator, 11-the 5th pneumatic tube, 12-anaerobic reactor, 13-working barrel, 14-delivery port, 15-gas blower, 16-housing, 17-division plate, 18-reuse pool, 19-film reaction district.
Embodiment
Arrive Fig. 4 in conjunction with Fig. 1, a kind of compound town domestic sewage set treatment device, pretreater 2 water outlets are connected with anaerobic reactor 12 water inlets by the first rising pipe 301, anaerobic reactor 12 water outlets are connected with aerobic reactor 6 water inlets by the second rising pipe 302, aerobic reactor 6 water outlets are connected with membrane reactor 4 water inlets by the 3rd rising pipe 802, membrane reactor 4 delivery ports 14 obtain sewage after treatment, the housing 16 of membrane reactor 4 is by 17 points of film formation reaction districts 19 of division plate and reuse pool 18, the 3rd rising pipe 802 water outlets are arranged at 19 bottoms, film reaction district, aerobic reactor 6 top gas connect by the first pneumatic tube 803 after gas accelerator 10, aeration head on the first pneumatic tube 803 is arranged at 19 bottoms, film reaction district, first air valve 901 one end are connected with gas blower 15 air outlets by the 5th pneumatic tube 11, and the other end is connected with the gas inlet of aerobic reactor 6 by the second pneumatic tube 801, second air valve 902 one end are connected with gas blower 15 air outlets by the 5th pneumatic tube 11, and the other end is connected with membrane reactor 4 by the 4th pneumatic tube 804, and the aeration head that the 4th pneumatic tube 804 arranges is downwards positioned at 19 bottoms, film reaction district, the 3rd air valve 903 one end are connected with gas blower 15 air outlets by the 5th pneumatic tube 804, and the other end is connected with membrane reactor 4 by the 3rd pneumatic tube 805, and the aeration head that the 3rd pneumatic tube 805 upwards arranges is positioned at 19 bottoms, film reaction district, the interior membrane module 401 that arranges in film reaction district 19, membrane module 401 water outlets are connected with the 4th rising pipe 806, the 4th rising pipe 806 the other ends are connected with the first recoil valve 701 and the second recoil valve 703 simultaneously, working barrel 13 water sides are connected with the first recoil valve 701 and the 3rd recoil valve 702 simultaneously, working barrel 13 water intake ends are connected with the second recoil valve 703 and the 4th recoil valve 704 simultaneously, the 3rd recoil valve 702 connects medicated module by the 5th rising pipe 807, and the 4th recoil valve 704 connects reuse pool 18 by the 6th rising pipe 412, 19 tops, film reaction district arrange physics denitrogenation dephosphorizing district 408, physics denitrogenation dephosphorizing district 408 passed through the mouth of a river 808 and was connected with reuse pool 18, the interior medicated module that arranges in physics denitrogenation dephosphorizing district 408, and medicated module arranges alkaline dosing district 405, acid dosing district 406, oxygenant dosing district 407, alkalescence dosing district 405 connects the 4th rising pipe 806 by alkaline agent valve 411, and acid dosing district 406 connects the 4th rising pipe 806 by sour agent valve 410, and oxygenant dosing district 407 connects the 4th rising pipe 806 by oxidizer valve 409, 19 tops, film reaction district are connected with pretreating zone by sludge pipe 502, and 18 belows, reuse pool arrange mud mouth and are connected with sludge pipe 502 by the first sludge valve 705, and 19 belows, film reaction district arrange mud mouth and are connected with sludge pipe 502 by the second sludge valve 706.
For improving the level of automation of compound town domestic sewage set treatment device of the present invention, controller 402 is also set in membrane reactor 4, membrane reactor 4 arranges ultrasonic generator 403 and is connected with controller 402 signals, membrane reactor 4 arranges dissolved oxygen analytic instrument 404 and is connected with controller 402 signals, and gas blower 15 is connected with controller 402 signals.
Discharge for convenience of the mud in compound town domestic sewage set treatment device, aerobic reactor 6 bottoms are connected with sludge pipe 502 by the first shore pipe 503, and suspended substance relief outlet is connected with sludge pipe 502 by the second shore pipe 501.
For increasing the processing power of compound town domestic sewage set treatment device, the arrange-part of membrane module 401 in membrane reactor 4, all membrane module 401 water outlets are connected with the 4th rising pipe 806.
In work, pending sanitary sewage is inputted from sewage inlet 1, by pretreater 2, cross the floating matter filtering in sewage, by the silt in settling bowl sedimentation sewage etc., be input to anaerobic reactor 12 water inlets through the first rising pipe 301, sewage is by after the interior anaerobic reaction of anaerobic reactor 12, from anaerobic reactor 12 water outlet outputs, input aerobic reactor 6 water inlets by the second rising pipe 302.Gas blower 15 delivery airs lead to the 5th pneumatic tube, after the first air valve 901, are connected with the gas inlet of aerobic reactor 6; Sewage reacts in aerobic reactor 6 inside, the air being consumed after oxygen by reaction is inputted membrane reactor 4 by the first pneumatic tube 803 by aerobic reactor 6 tops after gas accelerator 10, and gas accelerator 10 shears as the water to membrane module 401, gas the power rinsing.Through the reacted sewage of aerobic reactor 6, be transported to membrane reactor 4 through the 3rd rising pipe 802; Suspended substance in aerobic reactor 6, after suspension collecting device is collected, is discharged to sludge pipe 502 through the second shore pipe 501, and aerobic reactor 6 bottom precipitations are discharged to sludge pipe 502 by the first shore pipe 503.Through aerobic reactor 6 sewage after treatment, enter 19 bottoms, film reaction district in membrane reactor 4 by the 3rd rising pipe 802, the first pneumatic tube 803 is inputted, and carries out aeration through the air of aerobic reactor 6 oxygen depleted by the aeration head being connected on the first pneumatic tube 803.Sewage enters into membrane module 401 inside, membrane module 401 water outlets are connected with the 4th rising pipe 806, close the first recoil valve 701 and the 4th recoil valve 704, open the 3rd recoil valve 702 and the second recoil valve 703, when working barrel 13 is worked, water after treatment, from the 4th rising pipe 806 pump to the five rising pipes 807, the water pumping enters into reuse pool 18 from crossing the mouth of a river 808 behind physics denitrogenation dephosphorizing district 408, natural Buddhist stone is deposited in physics denitrogenation dephosphorizing district 408, the nitrogen phosphorus in planar water.Water after treatment is exported through delivery port 14 in reuse pool 18.Use after for some time, membrane module 401 may stop up, close the 3rd recoil valve 702 and the second recoil valve 703, open the first recoil valve 701 and the 4th recoil valve 704, when working barrel 13 is worked, water is recoiled to membrane module 401 inside from reuse pool 18 pumps by the 6th rising pipe 412.
Open the second air valve 902, gas blower 15 delivery airs, by the 5th pneumatic tube, to film reaction district 19 bottom aerations, prevent the sludgd deposition of film reaction district 19 bottom high densitys through the downward aeration head arranging on the second pneumatic tube 801.Open the 3rd air valve 903, gas blower 15 delivery airs are by the 5th pneumatic tube, through the aeration head that arranges on the 3rd pneumatic tube 805 to film reaction district 19 bottom aerations.Control the aperture of the second air valve 902 and the 3rd air valve 903, the aeration head air output on the first pneumatic tube 803 occupies the majority, and makes film reaction district 19 process anaerobic state.
In the time that membrane module 401 stops up, membrane module 401 water permeable abilities in film reaction district 19 weaken, and the water in film reaction district 19 is back to pretreating zone by sludge pipe 502; Open the second sludge valve 706, the mud of 19 bottoms, film reaction district is back to pretreating zone by sludge pipe 502; Open the first sludge valve 705, the mud of 18 bottoms, reuse pool is back to pretreating zone by sludge pipe 502.
The interior dissolved oxygen analytic instrument 404 that arranges in film reaction district 19, for detection of the oxygen level in anaerobic reaction district, controller 402 is controlled the aperture of the second air valve 902 and the 3rd air valve 903, makes film reaction district 19 process anaerobic state.The interior ultrasonic generator 403 that arranges in film reaction district 19, closing the 3rd recoil valve 702 and the second recoil valve 703, open the first recoil valve 701 and the 4th recoil valve 704, when water being recoiled from reuse pool 18 pumps to membrane module 401 inside when working barrel 13 is worked, controller 402 starts ultrasonic generator 403, accelerates the speed that recoils.
When membrane module 401 stops up when serious, carry out the comprehensive cleaning model of drug immersion manually or automatically, open alkaline agent valve 411, the alkaline drug joining in alkaline dosing district 405 enters membrane module 401 inside by alkaline agent valve 411; Open sour agent valve 410, the acidic drug joining in acid dosing 406th district enters into membrane module 401 inside by sour agent valve 410; Open oxidizer valve 409, the oxidant drug joining in oxygenant dosing district 407 enters into membrane module 401 inside by oxidizer valve 409; Open ultrasonic generator 403 simultaneously, increase cleaning performance.
Compound town domestic sewage set treatment device floor space of the present invention is little, and initial cost is few, and automation degree of equipment is high, installation, convenient management.Anaerobic reactor and aerobic reactor and membrane reactor can be chosen and concentrate or be dispersed into sled according to processing, and convenient transportation and installation, be more suitable for small towns, district environment for use.The town domestic sewage of compound town domestic sewage set treatment device of the present invention processing can reach GB/T18920-2002 city miscellaneous water water quality standard.
Claims (4)
1. a compound town domestic sewage set treatment device, pretreater (2) water outlet is connected with anaerobic reactor (12) water inlet by the first rising pipe (301), anaerobic reactor (12) water outlet is connected with aerobic reactor (6) water inlet by the second rising pipe (302), aerobic reactor (6) water outlet is connected with membrane reactor (4) water inlet by the 3rd rising pipe (802), membrane reactor (4) delivery port (14) is exported sewage after treatment, it is characterized in that the housing (16) of membrane reactor (4) is by division plate (17) point film formation reaction district (19) and reuse pool (18), the 3rd rising pipe (802) water outlet is arranged at bottom, film reaction district (19), aerobic reactor (6) top gas connects by the first pneumatic tube (803) after gas accelerator (10), aeration head on the first pneumatic tube (803) is arranged at bottom, film reaction district (19), the first air valve (901) one end is connected with gas blower (15) air outlet by the 5th pneumatic tube (11), and the other end is connected with the gas inlet of aerobic reactor (6) by the second pneumatic tube (801), the second air valve (902) one end is connected with gas blower (15) air outlet by the 5th pneumatic tube (11), the other end is connected with membrane reactor (4) by the 4th pneumatic tube (804), and the aeration head that the 4th pneumatic tube (804) arranges is downwards positioned at bottom, film reaction district (19), the 3rd air valve (903) one end is connected with gas blower (15) air outlet by the 5th pneumatic tube (804), the other end is connected with membrane reactor (4) by the 3rd pneumatic tube (805), and the aeration head that the 3rd pneumatic tube (805) upwards arranges is positioned at bottom, film reaction district (19), membrane module (401) is set in film reaction district (19), and membrane module (401) water outlet is connected with the 4th rising pipe (806), and the 4th rising pipe (806) the other end is connected with the first recoil valve (701) and the second recoil valve (703) simultaneously, working barrel (13) water side is connected with the first recoil valve (701) and the 3rd recoil valve (702) simultaneously, and working barrel (13) water intake end is connected with the second recoil valve (703) and the 4th recoil valve (704) simultaneously, the 3rd recoil valve (702) connects medicated module by the 5th rising pipe (807), and the 4th recoil valve (704) connects reuse pool (18) by the 6th rising pipe (412), top, film reaction district (19) arranges physics denitrogenation dephosphorizing district (408), physics denitrogenation dephosphorizing district (408) passed through the mouth of a river (808) and was connected with reuse pool (18), in physics denitrogenation dephosphorizing district (408), medicated module is set, medicated module arranges alkaline dosing district (405), acid dosing district (406), oxygenant dosing district (407), alkalescence dosing district (405) connects the 4th rising pipe (806) by alkaline agent valve (411), acid dosing district (406) connects the 4th rising pipe (806) by sour agent valve (410), and oxygenant dosing district (407) connects the 4th rising pipe (806) by oxidizer valve (409), top, film reaction district (19) is connected with pretreating zone by sludge pipe (502), below, reuse pool (18) arranges mud mouth and is connected with sludge pipe (502) by the first sludge valve (705), and film reaction district (19) below arranges mud mouth and is connected with sludge pipe (502) by the second sludge valve (706).
2. compound town domestic sewage set treatment device according to claim 1, it is characterized in that also arranging in membrane reactor (4) controller (402), membrane reactor (4) arranges ultrasonic generator (403) and is connected with controller (402) signal, membrane reactor (4) arranges dissolved oxygen analytic instrument (404) and is connected with controller (402) signal, and gas blower (15) is connected with controller (402) signal.
3. compound town domestic sewage set treatment device according to claim 2, it is characterized in that aerobic reactor (6) bottom is connected with sludge pipe (502) by the first shore pipe (503), suspended substance relief outlet is connected with sludge pipe (502) by the second shore pipe (501).
4. according to the arbitrary described compound town domestic sewage set treatment device of claim 1-3, it is characterized in that the membrane module (401) in membrane reactor (4) arranges 1-5 part, all membrane modules (401) water outlet is connected with the 4th rising pipe (806).
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| CN201410076962.5A CN103771669B (en) | 2014-03-04 | 2014-03-04 | Composite type urban domestic sewage whole-set treatment device |
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| CN102491521A (en) * | 2011-12-30 | 2012-06-13 | 哈尔滨工业大学 | Integrated sewage treatment device of membrane bioreactor and sewage treatment method |
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| CN203715457U (en) * | 2014-03-04 | 2014-07-16 | 重庆耐德机械设备有限公司 | Compound type complete treatment device for domestic sewage in cities and towns |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3210578A (en) * | 1962-01-12 | 1965-10-05 | Westinghouse Electric Corp | Multispeed motor connector |
| US6210578B1 (en) * | 1999-10-29 | 2001-04-03 | Universidad Nacional Autonoma De Mexico | Residual water treatment microplant for small flows |
| CN101186416A (en) * | 2007-12-13 | 2008-05-28 | 同济大学 | Packaging stage-type film bioreactor device for treating sewage or micro-polluted raw water |
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