CN106348447A - Small-size integrated sewage treatment device capable of automatically returning mixed liquor and sludge - Google Patents

Abstract

The invention discloses a small-size integrated sewage treatment device capable of automatically returning mixed liquor and sludge. The device comprises an inner drum, a horn drum, an outer drum and a horizontal separating plate, wherein the horn drum is arranged between the inner drum and the outer drum; the three drums are coaxially arranged; an annular water collecting weir is arranged at the upper part of the horn drum; the horn drum is formed into a gradually widening annular slope from top to bottom, and an annular gap is formed between the bottom end of the annular slope and the inner wall of the outer drum; an inverted trapezoidal section annular settling zone which is gradually reduced from top to bottom is arranged between the annular slope and the outer drum; the horizontal separating plate is arranged at the middle lower part of the inner drum; the chamber formed by the three drums is divided into four zones by the horizontal separating plate; and a vertical circulating flowing structure is formed by the four zones. According to the invention, the static pressure difference is formed between an annular aerobic zone and the inverted trapezoidal section annular settling zone in a vertical circulating flowing state, so that the automatic backflow of sludge can be realized, and the investment and running cost of a reflux pump can be saved; and the efficient sludge-water separation can be realized, so that the quality of domestic sewage after being treated can meet the requirements of national standards.

Description

Mixed liquor, mud can automatic back flow small-sized integrated sewage-treatment plant

Technical field

The present invention relates to sewage treatment area, specially mixed liquor, mud can be at the small-sized integrated sewage of automatic back flow Reason device.

Background technology

At present, all there is sanitary sewage disposal away from the tourist attraction in urban district, holiday village, highway rest station etc. difficult Problem because away from sewage disposal municipal administration net, grid-connected difficult, high cost, simultaneously as its day sewage quantity too low it is therefore desirable to one Plant this kind of local sewage treatment in situ, the on the spot technology of reuse and the method nearby producing.

In a kind of integrated sewage treating apparatus based on bamboo fibre filler of patent (zl201610330282.0), including envelope The shell of enclosed it is characterised in that described inside the shell by the first vertical clapboard and the second vertical clapboard be divided into horizontally according to Secondary arrangement:

Equipment installing zone, for installing aerator；

Sewage diposal area, is divided into by upper by first level waffle slab and the second horizontal net panel in described sewage diposal area The water-distributing device of external water inlet pipe, institute are set to water distribution area that is lower and sequentially connecting, packing area and aeration zone, described water distribution area State filling bamboo fibre filler in packing area, in described aeration zone, lay the aerator of external described aerator；

And the exhalant region being connected with described aeration zone, described exhalant region arranges outlet pipe.

In terms of technical standpoint, above-mentioned integrated sewage treating apparatus being processed by filler, after processing sewage Water outlet ss up to standard, but there is a problem of exceeded other effluent index more.

And a kind of sanitary sewage integrated processing system of patent (zl201520872271.6) it is characterised in that: include lattice Grid well, described grille well connects anaerobic reactor, and described anaerobic reactor connects sedimentation tank, and the sedimentation tank told connects dirty Mud sump and air-flotation system, described air-flotation system connects sludge-tank and sterilization pool, and described sterilization pool connects reuse pool, told Sedimentation tank be additionally provided with the return-flow system connecting anaerobic reactor, described air-flotation system includes flotation tank (201), is located at air supporting Water inlet pipe (202) on pond (201), is provided with above described flotation tank (201) and scrapes slag band (204), and described scrapes slag band (204) Two ends connection rotating shaft one (203) and rotating shaft two (207) respectively, described rotating shaft two (207) connects motor (211) by belt one Power transmission shaft (210), described scraping be provided with slag scraper (205) below slag band (204), described slag scraper (205) passes through belt Two (209) power transmission shafts (210) connecting motor (211), described slag scraper (205) is provided with some scrapers (206), described Flotation tank (201) bottom is provided with some air inlet pipe (214), and described air inlet pipe (214) is provided with release head.

Economically see, above-mentioned integrated apparatus presence manufactures and O＆M cost is high, biofilm efficiency is low, function list First, it is unfavorable for development and the popularization of integrated sewage treating apparatus.

In the art, the product of still also other forms, but above-mentioned two kind shape is all existed on main problem Formula, therefore, herein propose a kind of have that the Verticle circulating fluidised form having inverted trapezoidal section ring-type settling zone constructs small-sized integrated Sewage-treatment plant, this device only can meet the mixing of each functional areas on sewage treatment process by aeration input energy Energy loss required for reaction fluidised form, including the automatic back flow realizing sewage mixed liquor, is existed by Verticle circulating fluidised form simultaneously The pressure differential being formed in ring-type aerobic zone and inverted trapezoidal section ring-type settling zone mixed liquor realizes the automatic back flow of mud, saves The initial cost of mixed liquor and sludge reflux pump and operating cost；The inverted trapezoidal section circular precipitation that Verticle circulating fluidised form construction is formed The interleaved fly-back flowing that area, annular spaces water inlet upwards are formed with downward automatic back flow mud, improves sewage mixed liquor Middle sludge settling and caught efficiency by net, it is possible to achieve efficiently mud-water separation, this device processes the precipitation effluent quality of sanitary sewage Minimum can reach state " urban wastewater treatment firm pollutant emission standard " (gbt18918-2002)；And the prefabricated rate of this device More than 90% can be reached, in-site installation is simple and convenient, there is extensive market popularization value.

Content of the invention

Technical problem solved by the invention is that offer has inverted trapezoidal section ring-type settling zone and mixed liquor, mud can The small-sized integrated sewage-treatment plant of automatic back flow, to solve the shortcoming in above-mentioned background technology.

Technical problem solved by the invention employs the following technical solutions to realize: mixed liquor, mud can automatic back flows Small-sized integrated sewage-treatment plant, including inner core, cone, outer tube and horizontal baffle, described cone be arranged on inner core and Between outer tube, three coaxial installations, the volume ratio between described inner core, cone and outer tube is 1:5～9:8～15, described interior Cylinder top is less than 10～50 centimetres of cone top, and bottom is higher than 500～1200 centimetres of described outer tube bottom；Described cone top End is less than 30～100 centimetres of outer tube top, and described cone top is provided with annular water collecting dike, and described annular water collecting dike bottom is provided with The regeneration mouth of a river；It is outer with described that described cone from top to bottom forms the bottom edge that gradually wealthy ring-type is domatic and described ring-type is domatic Annular spaces are left, 35～25 centimetres of described annular spaces radial level spacing between cylinder inwall；Described ring-type is domatic and outer tube Form gradually wealthy inverted trapezoidal section ring-type settling zone from the bottom to top, described horizontal baffle is arranged in inner core inwall between inwall Bottom, its setting height(from bottom) and described inner core height ratio are in 1:1.5～2；Described horizontal baffle and its residing horizontal plane are by three Each cavity of individual cylinder composition separates circular aerobic zone a, ring-type aerobic zone b, circular anaerobic zone and ring-type anoxic zone, and above-mentioned Four areas form Verticle circulating fluidised form construction, described circle aerobic zone a, ring-type aerobic zone b, circular anaerobic zone and ring-type anoxic zone Volume ratio be 8～12:8～12:1:4～7；On described horizontal baffle equidistant offer some water distributing pores and spacing be 10～ 30 centimetres, described water distribution bore open is 1～2.5 centimetre.

In the present invention, further, described coaxial installation refers to inner core, the axis of loudspeaker barrel and an external barrel (3) overlaps and pacifies Dress, on horizontal cross-section, the center of circle of each cylinder overlaps.

In the present invention, further, the chamber being formed and inner core inwall between on the plate face of described horizontal baffle is institute State circular aerobic zone a, the chamber being formed between the inner tank theca on horizontal plane residing for described horizontal baffle and cone inwall For described ring-type aerobic zone b, under the plate face of described horizontal baffle, the chamber of formation is detested for described circle and inner core inwall between Oxygen area, the chamber that the inner tank theca under horizontal plane residing for described horizontal baffle is formed with outer tube inner wall is described ring-type anoxia Area.

In the present invention, further, described outer tube side wall middle and lower part is provided with sewage mixed liquor water inlet, and sewage mixed liquor enters The mouth of a river is connected with water inlet pipe, and water inlet pipe is installed water intaking valve, and water inlet pipe one end is passed through threeway and is connected with annular water inlet pipe, the other end Connect sewage pump；Annular water inlet pipe is located at the bottom of inner tank theca, its setting height(from bottom) and inner core height ratio in 1:1.5～2.5, Some water distribution mouths are opened up on annular water inlet pipe, the aperture of water distribution mouth is identical and 1.5～2.5 centimetres of bore, between water distribution mouth between Gradually expand in the flow direction of annular water inlet pipe along liquid away from from threeway two ends, its spacing is at 10～30 centimetres.

In the present invention, further, described outer tube side wall bottom is provided with air inlet, and air inlet is connected with air inlet pipe, air inlet Intake valve and non-return valve are installed on pipe, one end of air inlet pipe connects some aeration tubes, and the other end connects aeration pump, and aeration tube is solid It is scheduled on horizontal baffle, aeration tube uniformly opens up solarization air cap.

In the present invention, further, described outer tube side wall top is provided with recycled water outlet, recycled water outlet and regeneration Water outlet pipe connects, and recycled water outlet pipe is installed outlet valve and effusion meter, the regeneration mouth of a river in its one end and described water collecting dike Connect, the other end causes regeneration pond.

In the present invention, further, described outer tube side wall middle and upper part is provided with mud mouth, mud mouth is with discharge pipeline even Connect, discharge pipeline is installed mud valve, discharge pipeline one end is passed through threeway and is connected with annular sludge pipe, and the other end causes anaerobic tank；Ring Shape sludge pipe is located at loudspeaker drum outer wall middle and lower part, its setting height(from bottom) and cone height ratio in 1:1.5～2.5, annular mud If opening up recklessly dewatered sludge hole on pipe, the bore in mud hole is identical and 1.5～2.5 centimetres of bore, and the spacing between mud hole is from three Logical two ends gradually expand along liquid in the flow direction of annular water inlet pipe, and its spacing is between 10～30 centimetres.

In the present invention, further, described outer tube side wall top is additionally provided with overfall, and overfall is connected with overflow pipe, overflows Flow tube causes anaerobic tank.

In the present invention, further, it is additionally provided with drain in described outer tube side wall bottom, drain is connected with blow-down pipe, Atmospheric valve is installed on blow-down pipe, blow-down pipe causes anaerobic tank.

In the present invention, further, also include top cover, top cover is arranged on the top of outer tube.

In the present invention, further, sand filter can also be included, the water inlet pipe of sand filter is connected with recycled water outlet pipe, Sand filter outlet pipe is connected with regeneration pond, and described sand filter includes backwashing system.

In the present invention, further, mbr membranous system can also be included, described mbr membranous system can be directly placed at inner core Interior, the water inlet pipe of mbr membranous system is connected with recycled water outlet pipe, and the outlet pipe of mbr membranous system is connected with regeneration pond；Or institute State after mbr membranous system can be connected on described sand filtration cell system, its water inlet pipe is connected with the outlet pipe of described sand filter, and it goes out Water pipe is connected with regeneration pond；Described mbr membranous system includes backwashing system.

The present invention compares other aao technological process arrangement forms, is good in ring-type anoxic zone, circular anaerobic zone, circle It is Verticle circulating fluidised form arrangement form that oxygen area and ring-type aerobic zone employ, and only leans in the aeration process of circular aerobic zone, aeration pump The energy that compressed air is inputted meets the whole hybrid reaction fluidised form institute being inverted each functional areas on aao sewage treatment process The energy loss needing, and after compressed air enters circular aerobic zone, pressure reduces the process that volume becomes big, realizes dirty Water mixed liquid automatic back flow；Pass through Verticle circulating fluidised form in annular aerobic zone and inverted trapezoidal section ring-type settling zone mixed liquor simultaneously The pressure differential of middle formation realizes the automatic back flow of mud；Verticle circulating stream morphogenetic trapezoid cross section circular precipitation area has Annular spaces water intake mode, it is to avoid the problem of the water inlet of typical round settling zone and water outlet short stream, in mixed liquor, mud uniformly sinks Form sediment on ring-type is domatic, form inverted trapezoidal section ring-type sludge blanket drainage screen；The sewage mixed liquor of ring-type aerobic zone b is empty through ring-type Gap uniformly flows into inverted trapezoidal section ring-type settling zone bottom, subsequently again uniformly across inverted trapezoidal section ring-type sludge blanket drainage screen, It is gradually increased along the annular area on mixed liquor flow direction and is gradually lowered so that mixing flow velocity, contribute to sludge settling, mud Water separates fully；The interleaved fly-back flowing that annular spaces water inlet upwards is formed with downward returned sludge simultaneously, annular spaces Activated sludge in water inlet is intercepted by the sludge filtration of automatic back flow, realizes efficient mud-water separation further.

Beneficial effects of the present invention: one is to reduce investment outlay and operating cost；Due to achieving the automatic of mixed liquor and mud Backflow, saves mixed-liquor return pump from ring-type aerobic zone to ring-type anoxic zone, the mud from settling zone to ring-type anaerobic zone The equipment investment of reflux pump, and corresponding operating cost；Save conventional circular anoxic zone, the necessary stirring in circular anaerobic zone Equipment and corresponding operating cost；Two is to ensure precipitation effluent quality；Fully efficient mud-water separation is it is ensured that precipitate water outlet water Matter, the precipitation effluent quality of the sanitary sewage processing through apparatus of the present invention is minimum can to reach " urban wastewater treatment firm pollutant Discharge standard " (gbt18918-2002) requirement；And this device can be according to the purposes needs of recycled water, further with sand Filter system, or the higher sewage disposal system of effluent quality is further formed with mbr membranous system；Three is that the construction period is short； The material of integrated sewage treating apparatus can adopt the anti-corrosion materials or concrete etc. such as fiberglass as needed, especially with The processing of the anti-corrosion material such as fiberglass can achieve 90% prefabricated, in-site installation simple and fast when building, and can be according to sewage Process flow needs to adjust the ratio of diameter and height, and alleviation is to land seizure problem.

Brief description

Fig. 1 is the perspective view of the present invention；

Fig. 2 is the overlooking the structure diagram of the present invention；

Fig. 3 is a-a cross-sectional view in the present invention；

Fig. 4 is the positive facade structural representation of the present invention；

Fig. 5 processes the method flow diagram of sewage for the present invention.

In figure:

1. inner core；

2. cone；2-1. annular water collecting dike；2-2. regenerates the mouth of a river；2-3. ring-type is domatic；2-4. annular spaces

3. outer tube；

4. horizontal baffle；4-1. water distributing pore；

5. sewage mixed liquor water inlet；5-1. water inlet pipe；5-2. water intaking valve；5-3. annular water inlet pipe；5-4. water distribution mouth；

6. air inlet；6-1. air inlet pipe；6-2. intake valve；6-3. non-return valve；6-4. aeration tube；

7. outlet；7-1. outlet pipe；7-2. outlet valve；7-3. effusion meter；

8. mud mouth；8-1. sludge pipe；8-2. sludge valve；8-3. annular sludge pipe；8-4. mud hole；

9. overfall；9-1. overflow pipe；

10. drain；10-1. blow-down pipe；10-2. atmospheric valve；

11-1. circular precipitation area；11-2. circle aerobic zone a；11-3. ring-type aerobic zone b；11-4. circular anaerobic zone；11- 5. ring-type anoxic zone.

Specific embodiment

In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are easy to understand, tie below Conjunction is specifically illustrating, and the present invention is expanded on further.

As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, mixed liquor, mud can automatic back flow small-sized integrated sewage-treatment plant Including inner core 1, cone 2, outer tube 3, horizontal baffle 4, sewage mixed liquor water inlet 5, air inlet 6, recycled water outlet 7, dirt Mud mouth 8, overfall 9, drain 10, top cover and lagging facility, sand filter, mbr membranous system and robot control system(RCS), described cone 2 It is arranged between inner core 1 and outer tube 3, three coaxial installations, wherein inner core 1 top is less than top one segment distance of cone 2, its Bottom is higher than outer tube 3 one segment distance；The top of cone 2 is less than top one segment distance of outer tube 3, and the top of cone 2 is provided with Annular water collecting dike 2-1, annular water collecting dike 2-1 bottom is provided with regeneration mouth of a river 2-2；Described cone 2 is formed down gradually wealthy ring-type Domatic 2-3, leaves annular spaces 3-4 between ring-type domatic 2-3 bottom and the inwall of outer tube 3；The domatic 2-3 of described ring-type and outer tube Form gradually wealthy inverted trapezoidal section ring-type settling zone 11-1 from the bottom to top between 3 inwalls；Described horizontal baffle 4 is arranged on inner core 1 The middle and lower part of inwall, opens up water distributing pore 4-1 thereon；Described horizontal baffle 4 and its residing horizontal plane three cylinders are formed each Cavity separates circular aerobic zone a11-2, ring-type aerobic zone b11-3, circular anaerobic zone 11-4 and ring-type anoxic zone 11-5, and on Shu Sige area forms Verticle circulating structure；The chamber being formed and inner core 1 inwall between on the plate face of described horizontal baffle 4 is institute State circular aerobic zone a11-2, formed between inner core 1 outer wall on horizontal plane residing for described horizontal baffle 4 and cone 2 inwall Chamber be ring-type aerobic zone b11-3, under the plate face of described horizontal baffle 4 and inner core 1 inwall between formed chamber be circle Shape anaerobic zone 11-4, between the inner tank theca under horizontal plane residing for described horizontal baffle 4 and outer tube 3 inwall, the chamber of formation is Ring-type anoxic zone 11-5.Described sewage mixed liquor water inlet 5 is located at outer tube 3 side wall middle and lower part, and is connected with water inlet pipe 5-1, institute State installation water intaking valve 5-2 on water inlet pipe 5-1, water inlet pipe 5-1 one end is connected with annular water inlet pipe 5-3, and the other end connects sewage pump； Described annular water inlet pipe 5-3 is arranged on the bottom of inner core 1 side wall, opens up some water distribution mouth 5-4 thereon；Described air inlet 6 is located at Outer tube 3 lower sidewall, is connected with air inlet pipe 6-1, and described air inlet pipe 6-1 is installed intake valve 6-2 and non-return valve 6-3, its one end Connect many aeration tube 6-4, the other end connects aeration pump, described aeration tube 6-4 is fixed on horizontal baffle 4；Described recycled water Outlet 7 is arranged on outer tube 3 side wall upper part, is connected with recycled water outlet pipe 7-1, and described recycled water outlet pipe 7-1 installs out Water valve 7-2 and effusion meter 7-3, and its one end is connected with the regeneration mouth of a river 2-2 on water collecting dike 2-1, the other end causes regeneration pond. Described mud mouth 8 is arranged on outer tube 3 lower sidewall, is connected with discharge pipeline 8-1, and described discharge pipeline 8-1 installs mud valve 8-2； Described discharge pipeline 8-1 one end connects annular sludge pipe 8-3, and the other end causes anaerobic tank；Described annular sludge pipe 8-3 is arranged on loudspeaker Cylinder 2 lower sidewall, opens up mud hole 8-4 along uniform length thereon.Described overfall 9 is arranged on the top of outer tube 3, with overflow Pipe 9-1 connects, and described overflow pipe 9-1 causes anaerobic tank；Described drain 10 is arranged on the bottom of outer tube 3, with blow-down pipe 10-1 Connect, described blow-down pipe 10-1 installs atmospheric valve 10-2, described blow-down pipe 10-1 causes anaerobic tank；Described top cover is installed outside The top of cylinder 3, outdoor temperature reaches 0 DEG C to described lagging facility and following area needs to arrange in the winter time；Described sand filter includes Backwashing system, its water inlet pipe is connected with recycled water outlet pipe 7-1, and its outlet pipe is connected with regeneration pond, described sand filter bag Include backwashing system；Described mbr membranous system can be directly placed in inner core 1, and its water inlet pipe is with recycled water outlet pipe 7-1 even Connect, its outlet pipe is connected with regeneration pond；Or after described mbr membranous system can be connected on described sand filtration cell system, it enters Water pipe is connected with the outlet pipe of described sand filter, and its outlet pipe is connected with regeneration pond；Described mbr membranous system includes backwash system System；Described robot control system(RCS) can control sewage disposal process, can also form linkage with each described backwash process.

Embodiment: as shown in figure 5, sewage sends into annular water distributor 5-3 through water inlet pipe 5-1, flowed into interior by water distribution mouth 5-4 In ring-type anoxic zone 11-5 cavity between cylinder 1 and outer tube 3；The mixed liquor of described ring-type anoxic zone 11-5 flows through inner core 1 bottom Into the circular anaerobic zone 11-4 cavity under horizontal baffle 4 plate face in inner core 1；The mixed liquor of described circle anaerobic zone 11-4 Enter in the circular aerobic zone a11-2 cavity of inner core 1 top through the water distributing pore 4-1 on horizontal baffle 4, air compresses through aeration pump After be delivered to air inlet pipe 6-1 after, send to each aeration tube 6-4, compressed gas enter aerobic zone a11-2 bottom after pressure subtract Small size increases, and after intracavity mixed liquor is discharged upwards, flows into the ring-type aerobic zone b11-3 cavity between inner core 1 and cone 2 Interior, described mixed liquor acts on because of aeration, and kinetic energy increases, and flow velocity increases, and the present invention is constituted for Verticle circulating fluidised form, therefore ring Shape aerobic zone b11-3 interior part mixed liquor flows downwardly into the anoxic zone 11-5 between inner core 1 and outer tube 3, realizes mixed liquor oneself Dynamic backflow, simultaneously because its flow velocity increases, mixed liquor dynamic pressure in the b11-3 of ring-type aerobic zone increases, and static pressure reduces, aerobic in ring-type Form described differential static pressure in area b11-3 and inverted trapezoidal section ring-type settling zone two cavitys of 11-1；With constantly via water distribution mouth The increase of the mixed liquor of 5-4 input, the part mixing in the described ring-type aerobic zone b11-3 cavity after above-mentioned biochemical reaction Liquid, uniformly flows upwardly into the inverted trapezoidal section ring-type settling zone 11-1 cavity between cone 2 and outer tube 3 through annular spaces 2-4 Bottom, is gradually lowered so that mixing flow velocity due to being gradually increased along the annular area on mixed liquor flow direction, sludge settling Fully, realize efficient mud-water separation, mud therein homogeneously precipitates on annular domatic 2-3, form inverted trapezoidal section ring-type dirty Mud layer, it constitutes the drainage screen of described inverted trapezoidal section ring-type settling zone 11-1, and net is caught interception and flowed upwardly into through annular spaces 2-4 Mixed liquor in mud, muddy water separates further；Final supernatant (recycled water) is through the regeneration mouth of a river 2-2 on water collecting dike 2-1 Regeneration pond is flowed into after entering recycled water outlet pipe 7-1；Simultaneously in aerobic zone b11-3 and inverted trapezoidal section ring-type settling zone 11-1 In the presence of formed differential static pressure in two cavitys, the partial sludge in the ring-type sludge blanket of described inverted trapezoidal section is through annular spaces Continue cycling through in the ring-type anoxic zone 11-5 cavity that 2-4 is drained between inner core 1 and outer tube 3 downwards, realize mud and automatically return Stream；According to the setting of sewage disposal operation program, unnecessary mud is discharged in the form of mixed liquor, and described mixed liquor is through mud hole 8-4 enters annular sludge pipe 8-3, is finally drained in anaerobic tank by discharge pipeline 8-1, realizes excess sludge discharge；Sewage disposal is transported During row, when the liquid level of described outer tube 3 exceedes overfall 9, mixed liquor flows in overflow pipe 9-1, is ultimately discharged in anaerobic tank； When maintenance, after described atmospheric valve 10-2 opens, mixed liquor is delivered to anaerobic tank by blow-down pipe 10-1；Described Top cover is arranged on the top of outer tube 4, and outdoor temperature reaches 0 DEG C to described lagging facility and following area needs to arrange in the winter time.

In the present embodiment, when effluent quality index needs to reach requirements at the higher level, sand filter can also be included, its water inlet Pipe is connected with recycled water outlet pipe 7-1, and its outlet pipe is connected with regeneration pond；Enter the precipitation water outlet of sand filter, further While removing oil removal ss, remove cod, bod5, ss, ammonia nitrogen, total phosphorus etc. further, referred to improving and stablizing effluent quality Mark；Described sand filter includes backwashing system, to realize the purification of itself.

When effluent quality index needs to reach requirements at the higher level, mbr membranous system can also be included, mbr membranous system can be straight Connect and be placed in inner core 1, its water inlet pipe is connected with recycled water outlet pipe 7-1, its outlet pipe is connected with regeneration pond；Or it is described After mbr membranous system can be connected on described sand filtration cell system, its water inlet pipe is connected with the outlet pipe of described sand filter, its water outlet Pipe is connected with regeneration pond；Enter precipitation water outlet or the sand filter water outlet of mbr membranous system, further going oil removal ss's Meanwhile, cod, bod5, ss, ammonia nitrogen, total phosphorus etc. are removed further, to improve and to stablize effluent quality index；Described mbr membranous system Including backwashing system, to realize the purification of itself.

Also include robot control system(RCS) in the present embodiment, described robot control system(RCS) can control sewage disposal process, can also with each Described backwash process forms linkage.

The main feature of the present invention mainly has the construction that: is Verticle circulating fluidised form at 3 points, can only lean on circular aerobic zone In aeration process, the energy that aeration pump compressed air is inputted meets each function on whole inversion aao sewage treatment process The energy loss required for hybrid reaction fluidised form in area, and after compressed air enters circular aerobic zone, volumetric pressure reduces Volume becomes big process, realizes sewage mixed liquor automatic back flow, passes through Verticle circulating fluidised form simultaneously and mixes with settling zone in aerobic zone Close the automatic back flow that the pressure differential producing in liquid realizes mud, the mixing from ring-type aerobic zone to ring-type anoxic zone is saved with this Liquid reflux pump, the equipment investment of sludge reflux pump from settling zone to ring-type anaerobic zone, and corresponding operating cost；Save biography System ring-type anoxic zone, mixing plant and corresponding operating cost necessary to circular anaerobic zone；Two is Verticle circulating fluidised form construction shape The inverted trapezoidal section ring-type settling zone becoming, its annular spaces water intake mode solves the water inlet of transmission settling zone, the short flow problem of water outlet； Inverted trapezoidal cross sectional annular settling zone is gradually increased and gradually drops so that mixing flow velocity along the annular area of mixed liquor flow direction Low, contribute to sludge settling, mud-water separation is abundant；The inverted trapezoidal section ring-type sludge blanket drainage screen being formed in precipitation process, with And the interleaved fly-back flowing that annular spaces water inlet upwards is formed with downward returned sludge, can make in annular spaces water inlet Activated sludge is caught interception by the mud net of automatic back flow, realizes efficient mud-water separation further, and this device precipitates water outlet water water The minimum requirement that can reach national " urban wastewater treatment firm pollutant emission standard " (gbt18918-2002) of matter；And should Device according to the purposes needs of recycled water, further with Sand Filtration System, or further can constitute water outlet with mbr membranous system The higher sewage disposal system of water quality；Three is that the construction period is short；The material of integrated sewage treating apparatus can be adopted as needed With the anti-corrosion material such as fiberglass or concrete etc., when building especially with the processing of the anti-corrosion material such as fiberglass, can achieve 90% Prefabricated, in-site installation simple and fast, and can be alleviated according to the ratio needing adjustment diameter and height of sewage disposal flow To land seizure problem, to the tourist attraction solving away from urban district, holiday village, highway rest station, or the top grade in outer suburbs Residential quarter etc. all has the difficult problem of sanitary sewage disposal and has much dissemination.

Ultimate principle and principal character and the advantages of the present invention of the present invention, the technology of the industry have been shown and described above , it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes Change and improvement both fall within scope of the claimed invention, claimed scope by appending claims and its Equivalent thereof.

Claims (10)

1. mixed liquor, mud can automatic back flow small-sized integrated sewage-treatment plant, including inner core (1), cone (2), outer Cylinder (3) and horizontal baffle (4), is characterized in that: described cone (2) is arranged between inner core (1) and outer tube (3), and three coaxial Install, the volume ratio between described inner core (1), cone (2) and outer tube (3) is 1:5～9:8～15, described inner core (1) top Less than 10～50 centimetres of cone (2) top, bottom is higher than 500～1200 centimetres of described outer tube (3) bottom；Described cone (2) top is less than 30～100 centimetres of outer tube (3) top, and described cone (2) top is provided with annular water collecting dike (2-1), described ring Shape water collecting dike (2-1) bottom is provided with the regeneration mouth of a river (2-2)；Described cone (2) forms the domatic (2- of gradually wealthy ring-type from the bottom to top 3) and annular spaces (2-4), described ring are left between the bottom edge of described ring-type domatic (2-3) and described outer tube (3) inwall 35～25 centimetres of shape space (2-4) radial level spacing；Between described ring-type domatic (2-3) and outer tube (3) inwall from the bottom to top Form gradually wealthy inverted trapezoidal section ring-type settling zone (11-1), under described horizontal baffle (4) is arranged in inner core (1) inwall Portion, its setting height(from bottom) and described inner core height ratio are in 1:1.5～2；Described horizontal baffle (4) and its residing horizontal plane are by three Each cavity of individual cylinder composition separates circular aerobic zone a (11-2), ring-type aerobic zone b (11-3), circular anaerobic zone (11-4) With ring-type anoxic zone (11-5), and aforementioned four area formed Verticle circulating fluidised form construction, described circle aerobic zone a (11-2), ring Shape aerobic zone b (11-3), circular anaerobic zone (11-4) and ring-type anoxic zone (11-5) volume ratio for 8～12:8～12:1:4～ 7；Described horizontal baffle (4) is upper equidistant to offer some water distributing pores (4-1) and spacing is 10～30 centimetres, described water distributing pore (4-1) bore is 1～2.5 centimetre.

2. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: described coaxial installation refers to that the axis of inner core (1), cone (2) and outer tube (3) overlaps and installs, each cylinder on horizontal cross-section The center of circle overlap.

3. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: the chamber being formed and inner core (1) inwall between on the plate face of described horizontal baffle (4) is described circle aerobic zone a (11- 2), between inner core (1) outer wall on horizontal plane residing for described horizontal baffle (4) and cone (2) inwall, the chamber of formation is Described ring-type aerobic zone b (11-3), under the plate face of described horizontal baffle (4), the chamber of formation is and inner core (1) inwall between Described circle anaerobic zone (11-4), inner core (1) outer wall under horizontal plane residing for described horizontal baffle (4) and outer tube (3) inwall The chamber being formed is described ring-type anoxic zone (11-5).

4. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: described outer tube (3) side wall middle and lower part is provided with sewage mixed liquor water inlet (5), sewage mixed liquor water inlet (5) and water inlet pipe (5-1) connect, water inlet pipe (5-1) is upper to install water intaking valve (5-2), threeway and annular water inlet pipe (5- are passed through in water inlet pipe (5-1) one end 3) connect, the other end connects sewage pump；Annular water inlet pipe (5-3) is located at bottom, its setting height(from bottom) and the inner core of inner core (1) outer wall (1) height ratio, in 1:1.5～2.5, annular water inlet pipe (5-3) opens up some water distribution mouths (5-4), the hole of water distribution mouth (5-4) Footpath is identical and 1.5～2.5 centimetres of bore, and the spacing between water distribution mouth (5-4) is from threeway two ends along liquid in annular water inlet pipe (5- 3) flow direction gradually expands, and its spacing is at 10～30 centimetres.

5. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: described outer tube (3) lower sidewall is provided with air inlet (6), and air inlet (6) is connected with air inlet pipe (6-1), in air inlet pipe (6-1) Intake valve (6-2) and non-return valve (6-3) are installed, one end of air inlet pipe (6-1) connects some aeration tubes (6-4), and the other end is even Connect aeration pump, aeration tube (6-4) is fixed on horizontal baffle (4), and aeration tube (6-4) uniformly opens up solarization air cap.

6. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: described outer tube (3) side wall upper part is provided with recycled water outlet (7), recycled water outlet (7) and recycled water outlet pipe (7-1) Connect, recycled water outlet pipe (7-1) is upper to install outlet valve (7-2) and effusion meter (7-3), its one end and described water collecting dike (2-1) On the regeneration mouth of a river (2-2) connect, the other end cause regeneration pond.

7. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: described outer tube (3) side wall middle and upper part is provided with mud mouth (8), mud mouth (8) is connected with discharge pipeline (8-1), discharge pipeline (8-1) upper installation mud valve (8-2), discharge pipeline (8-1) one end is passed through threeway and is connected with annular sludge pipe (8-3), and the other end draws To anaerobic tank；Annular sludge pipe (8-3) is located at cone (2) outer wall middle and lower part, its setting height(from bottom) and cone (2) height ratio In 1:1.5～2.5, annular sludge pipe (8-3) if on open up recklessly dewatered sludge hole (8-4), the bore of mud hole (8-4) is identical and mouth 1.5～2.5 centimetres of footpath, the spacing between mud hole (8-4) is from threeway two ends along liquid in the flowing side of annular water inlet pipe (1-3) To gradually expanding, its spacing is between 10～30 centimetres.

8. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: described outer tube (3) side wall upper part is additionally provided with overfall (9), and overfall (9) is connected with overflow pipe (9-1), overflow pipe (9-1) Cause anaerobic tank.

9. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, its feature It is: be additionally provided with drain (10) in described outer tube (3) lower sidewall, drain (10) is connected with blow-down pipe (10-1), blow-down pipe (10-1) upper installation atmospheric valve (10-2), blow-down pipe (10-1) causes anaerobic tank.

10. mixed liquor according to claim 1, mud can automatic back flow small-sized integrated sewage-treatment plant, it is special Levying is: also includes top cover, top cover is arranged on the top of outer tube (3).