CN100475728C - Integral synchronous denitrification dephosphorizing bioreactor - Google Patents
Integral synchronous denitrification dephosphorizing bioreactor Download PDFInfo
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- CN100475728C CN100475728C CNB2007100513303A CN200710051330A CN100475728C CN 100475728 C CN100475728 C CN 100475728C CN B2007100513303 A CNB2007100513303 A CN B2007100513303A CN 200710051330 A CN200710051330 A CN 200710051330A CN 100475728 C CN100475728 C CN 100475728C
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Abstract
The invention discloses an integral synchronous denitrifying dephosphorizing biological reactor in the effluent processing domain, which comprises the following parts: reacting area, outlet oxygen-supplementing area, physiochemical reacting area, sludge draining area, sediment area and three-phase separator, wherein the inner cylinder is set in the outer cylinder as biochemical reacting area; the sandwich layer between inner and outer cylinders is separated by four vertical boards, which divides the space into water oxygen compensating area, physiochemical reacting area, sludge draining area and sediment area; the biochemical reacting area consists of aerating-typed shock wave mass transfer device and stirring typed shock wave mass transfer device; when the total phosphor density of inlet is more than 4mg/L, the sludge inlet reacting area forces to remove phosphor, which enters into biochemical reacting area to dispose further; when the total phosphor density of inlet is less than 4mg/L, the effluent enters into biochemical area directly.
Description
Technical field
The invention belongs to waste disposal plant, be specifically related to a kind of integral synchronous denitrification dephosphorizing bioreactor.
Background technology
Biological carbon and phosphorous removal system requirements anaerobism, anoxic and aerobic environment alternate run can be realized.Traditional bio-denitrifying sewage dephosphorization apparatus can be divided into two classes:
One class device is to utilize spatial sequence operation, promptly creates aerobic, anoxic and anaerobic environment with a plurality of reactors on spatial sequence, and the oxygen excess absorption thereby the anaerobism release of finishing nitrification and denitrification and phosphorus is become reconciled reaches the purpose of biological carbon and phosphorous removal.The advantage of spatial sequence is that the arrangement of a plurality of reactors can strengthen Elementary Function, has stable denitrogenation dephosphorizing effect; Shortcoming is preposition anaerobic pond and second pond need be set separately, can't avoid increasing the complicacy of system, and has increased mud backflow and nitrification liquid backflow energy consumption, and seasonal adaptation is relatively poor.
Another kind of device is to utilize time series operation, realizes the intermittent aeration denitrogenation dephosphorizing in single pond: create aerobic, anoxic and anaerobic environment on time series, reach the purpose of denitrogenation dephosphorizing.The problem that time series exists need to be many group alternate runs, and single pond intermittent water inflow, intermittent drainage need to be equipped with expensive change water level and go out wetting system, and capacity utilization is low, lness ratio of plant is high.And its aerator mainly adopts the microporous diaphragm aerating apparatus, and there is easily obstruction, easily aging in the diaphragm type aerating apparatus, and needs the corresponding whipping device of configuration can guarantee that mud is in suspended state, so operation and maintenance cost is higher.
At present, the Continuous Flow intermittent aeration carries out the integrated oxidation ditch of denitrogenation dephosphorizing, basically realized the unification of time series and spatial sequence, can obtain metastable denitrification effect, but this device is arranged on the settling region in the gallery reaction zone and settling region mutual interference mutually, inevitably can influence the fluidised form of main reaction gallery, and not can solve the problem of settling region solid-liquid gas three phase separation, it is bigger to cause delivery turbidity influenced by the denitrification aerogenesis, influences deposition efficiency.And limit deeply in oxidated ditch pond, and floor space is bigger, because its aerator adopts surface aerating machine or brush aeration, and oxygen transfer rate is lower, energy consumption is higher simultaneously.
Summary of the invention
The invention provides a kind of integral synchronous denitrification dephosphorizing bioreactor, overcome the deficiencies in the prior art part, realize permanent water level, the water of being back to back, automatic sludge returning, improve system's anti impulsion load ability, reach efficient low-consume denitrogenation dephosphorizing purpose.
A kind of integral synchronous denitrification dephosphorizing bioreactor of the present invention is divided into biochemical reaction zone, water outlet oxygenating district, physical reaction district, sludge discharging area, settling region and triphase separator six parts on the function, it is characterized in that:
(A) urceolus closed bottom is provided with inner core in it, be biochemical reaction zone in the inner core, and biochemical water inlet pipe passes the through biochemical reaction zone central authorities of urceolus and inner core top; Interlayer between urceolus and the inner core is separated by 4 risers successively: be water outlet oxygenating district between the starting stave and second riser, be the physical reaction district between second riser and the 3rd riser, being sludge discharging area between the 3rd riser and the 4th riser, is the settling region between the 4th riser and the starting stave; The inner core middle and lower part is provided with half blow-down pipe, passes the urceolus UNICOM external world, settling region; The inner core bottom has spoil disposal seam, UNICOM's sludge discharging area;
(B) part of the top of urceolus except that water outlet oxygenating district and physical reaction district is equipped with V-notch weir; The urceolus top outer is provided with the top tube, and tube top, top is concordant with the inner core top, and the top tube bottom is dull and stereotyped by annular to be connected with the outside, top of urceolus, forms mill weir; The urceolus top of settling region and water outlet oxygenating district part is lower than the inner core top; The urceolus top of other parts is concordant with the inner core top;
(C) the water outlet oxygenating district top starting stave and the second riser top are higher than V-notch weir, and top, corresponding urceolus top tube lower rim is equipped with upflow tube; Bottom, water outlet oxygenating district is connected with rising pipe;
(D) the 3rd riser top, physical reaction district is lower than V-notch weir, and bottom, physical reaction district is connected with the materialization water inlet pipe;
(E) the sludge discharging area upper space is equipped with the waveform precipitation inclined plate, and the 4th riser top is concordant with the inner core top; Between the 3rd riser and the 4th riser flow-stopping plate is set, its upper end is concordant with the inner core top, and the lower end is concordant with waveform precipitation inclined plate bottom, is water entry between flow-stopping plate and the 3rd riser; Axial ventpipe bottom is positioned at the sludge discharging area bottom, and the top communicates with atmosphere, and shore pipe one end links to each other with ventpipe, and the other end passes the UNICOM external world, urceolus middle and lower part of sludge discharging area;
(F) the waveform precipitation inclined plate is equipped with on top, settling region; The bottom of settling region is a triphase separator, and it constitutes: have venting hole in the inner core middle and lower part, be close to the top joint skirt shape swash plate of venting hole; Have a circle backflow seam at interior tube bottom, lower edge that being close to the seam that refluxes connects the shape of falling skirt swash plate; The shape of falling skirt swash plate and backflow are sewed between the edge, all have spacing between skirt shape swash plate and the shape of falling the skirt swash plate;
(G) be that biochemical reaction zone is equipped with aeration type mass transfer by shock wave device and stirring-type mass transfer by shock wave device in the inner core, aeration type mass transfer by shock wave device comprises perpendicular shock mass transfer device (26), submersible sewage pump (27), air suction pipe (28), last trunnion (29), following trunnion (30), vertical pressure pipe (32) and horizontal pressure pipe (33), perpendicular shock mass transfer device (26) is vertical to be installed, trunnion (30) is equipped with down on the top in turn, last trunnion (29), an air suction pipe (28) respectively is equipped with in last trunnion (29) both sides, and last trunnion (29) links to each other with submersible sewage pump (27) by horizontal pressure pipe (33) and vertical pressure pipe (32); Stirring-type mass transfer by shock wave device comprises horizontal mass transfer by shock wave device (34), submersible sewage pump (27), left trunnion (35), right trunnion (36), upward pressure pipe (37), presses down solenoid (38), horizontal mass transfer by shock wave device (34) level is installed, the water outlet place is horizontally installed with right trunnion (36), left trunnion (35) in turn, left trunnion (35) by press down solenoid (38), upward pressure pipe (37) links to each other with submersible sewage pump (27).
Described integral synchronous denitrification dephosphorizing bioreactor is characterized in that: bottom, water outlet oxygenating district is the bucket that starting stave and second riser bottom surround; Bottom, physical reaction district is the bucket that second riser and the 3rd riser surround; The sludge discharging area bottom is the bucket that the 3rd riser and the 4th riser surround, and described spoil disposal seam is close to the top of bucket.
Described integral synchronous denitrification dephosphorizing bioreactor is characterized in that: the angle β of skirt shape swash plate and inner core is 30 °-45 °, and skirt shape swash plate is 5-20mm with the shape of falling skirt swash plate vertical spacing; The shape of falling skirt swash plate inclination alpha is 45 °-60 °, and it is 5-20mm that the edge spacing is sewed in the shape of falling skirt swash plate and backflow.
Described integral synchronous denitrification dephosphorizing bioreactor, the distance between plates of described waveform precipitation inclined plate can be 5-10mm, the inclination angle is 45 ° of-60 ° of degree, is supported by angle steel.
Described integral synchronous denitrification dephosphorizing bioreactor is characterized in that: described submersible sewage pump is fixed on the inner tube wall by support, and perpendicular shock mass transfer device is fixed on the interior tube end plate by support; Horizontal mass transfer by shock wave device is fixed on the interior tube end plate by support; Safety-valve is installed in vertical pressure pipe and horizontal pressure pipe joint, and safety-valve is equipped with on upward pressure pipe top, and two safety-valves all are higher than V-notch weir.
The present invention compared with prior art has following advantage:
(1) integrated structure: adopt integrated structure, physical reaction district, settling region, sludge discharging area and water outlet oxygenating district are arranged on the biochemical reaction zone periphery, biochemical reaction zone and settling region are organically combined by adopting triphase separator.
(2) single pond Continuous Flow synchronous denitrification dephosphorizing: can realize in single pond that aerobic, anoxic and anaerobism alternate run reach the synchronous denitrification dephosphorizing purpose, and can be at permanent water level water outlet, plant factor and capacity utilization height under the water inlet condition continuously.
(3) empty sequence is in conjunction with fluidised form the time: move continuously by triphase separator implementation space sequence, move continuously by mass transfer by shock wave device running status control realization time series, when aeration, be in complete admixture, during stirring between complete mixed flow and plug-flow, the quiet plug-flow state that is in when heavy.
(4) triphase separator: the mud after the mud-water separation can be back to biochemical reaction zone voluntarily, also can and send back to biochemical reaction zone with entrained gas delivery in the mud.
(5) use the mass transfer by shock wave device and realize aeration and agitating function: adopt single type equipment---aeration, stirring and quiet heavy state in the mass transfer by shock wave device realization response device.
(6) ability of regulation and control: can select optimal operating condition according to seasonal change of water quality.
Description of drawings
Fig. 1 is the plot plan of the embodiment of the invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the B-B sectional view of Fig. 1;
Fig. 5 is the C-C sectional view of Fig. 1;
Fig. 6 (a) is an aeration type mass transfer by shock wave device scheme of installation;
Fig. 6 (b) is a stirring-type mass transfer by shock wave device scheme of installation.
Embodiment
By Fig. 1～shown in Figure 6, can be divided into biochemical reaction zone, water outlet oxygenating district, physical reaction district, sludge discharging area, settling region and triphase separator six parts on the embodiments of the invention function:
(A) urceolus 2 closed bottoms are provided with inner core 3 in it, are biochemical reaction zone in the inner core 3, and biochemical water inlet pipe 21 passes urceolus 2 and the through biochemical reaction zone central authorities in inner core 3 tops; Interlayer between urceolus 2 and the inner core 3 is separated by 4 risers successively: be water outlet oxygenating district between the starting stave 5 and second riser 6, between second riser 6 and the 3rd riser 7 is the physical reaction district, between the 3rd riser 7 and the 4th riser 8 is sludge discharging area, is the settling region between the 4th riser 8 and the starting stave 5; Inner core 3 middle and lower parts are provided with half blow-down pipe 25, pass the settling region urceolus 2 UNICOM external worlds; Inner core 3 bottoms have spoil disposal seam 15, UNICOM's sludge discharging area;
(B) part of the top of urceolus 2 except that water outlet oxygenating district and physical reaction district is equipped with V-notch weir 12; Urceolus 2 top outer are provided with top tube 1, and tube 1 top in top is concordant with inner core 3 tops, and tube 1 bottom in top is connected with the outside, top of urceolus 2 by annular dull and stereotyped 4, forms mill weir; Urceolus 2 tops of settling region and water outlet oxygenating district part are lower than inner core 3 tops; Urceolus 2 tops of other parts are concordant with inner core 3 tops;
(C) water outlet oxygenating district top starting stave 5 and second riser, 6 tops are higher than V-notch weir 12, and top, corresponding urceolus 2 top tube 1 lower rim is equipped with upflow tube 19; Bottom, water outlet oxygenating district is connected with rising pipe 20; The bucket that bottom, water outlet oxygenating district can surround for starting stave 5 and second riser, 6 bottoms;
(D) the 3rd riser 7 tops in physical reaction district are lower than V-notch weir 12, and bottom, physical reaction district is connected with materialization water inlet pipe 22; The bucket that bottom, physical reaction district can surround for second riser 6 and the 3rd riser 7;
(E) it is concordant with inner core 3 tops that the sludge discharging area upper space is equipped with waveform precipitation inclined plate 13, the four risers 8 tops; Between the 3rd riser 7 and the 4th riser 8 flow-stopping plate 9 is set, its upper end is concordant with inner core 3 tops, and the lower end is concordant with waveform precipitation inclined plate 13 bottoms, is water entry between flow-stopping plate 9 and the 3rd riser 7; Axial ventpipe 24 bottoms are positioned at the sludge discharging area bottom, and the top communicates with atmosphere, and shore pipe 23 1 ends link to each other with ventpipe 24, and the other end passes the UNICOM external world, urceolus 2 middle and lower part of sludge discharging area; The bucket that the sludge discharging area bottom can surround for the 3rd riser 7 and the 4th riser 8, described spoil disposal seam 15 is close to the top of bucket.
(F) waveform precipitation inclined plate 13 is equipped with on top, settling region; The bottom of settling region is a triphase separator, and it constitutes: have venting hole 14 in inner core 3 middle and lower parts, be close to the top joint skirt shape swash plate 10 of venting hole 14; Have a circle backflow seam 16 in inner core 3 bottoms, lower edge that being close to the seam 16 that refluxes connects the shape of falling skirt swash plate 11; The shape of falling skirt swash plate 11 and backflow are sewed between the edge, all have spacing between skirt shape swash plate 10 and the shape of falling the skirt swash plate 11;
(G) be that biochemical reaction zone is equipped with aeration type mass transfer by shock wave device and stirring-type mass transfer by shock wave device in the inner core 3, aeration type mass transfer by shock wave device is connected and composed by penstock by the perpendicular shock mass transfer device 26 of vertical placement, last trunnion 29, following trunnion 30 and submersible sewage pump 27; Stirring-type mass transfer by shock wave device is connected and composed by penstock by the horizontal mass transfer by shock wave device 34 of horizontal positioned, left trunnion 35, right trunnion 36 and submersible sewage pump 27.
As shown in Figure 3, skirt shape swash plate 10 is 30 °-45 ° with the angle β of inner core 3, and skirt shape swash plate 10 is 5-20mm with the shape of falling skirt swash plate 11 vertical spacings; The shape of falling skirt swash plate 11 inclination alpha are 45 °-60 °, and the shape of falling skirt swash plate 11 is 5-20mm with the seam 16 upper limb spacings that reflux.
As shown in Figure 3-Figure 5, the distance between plates of waveform precipitation inclined plate 13 can be 5-10mm, and the inclination angle is 45 ° of-60 ° of degree, is supported by angle steel 17.
As shown in Figure 6, aeration type mass transfer by shock wave device comprises perpendicular shock mass transfer device 26, submersible sewage pump 27, air suction pipe 28, last trunnion 29, following trunnion 30, vertical pressure pipe 32 and horizontal pressure pipe 33, perpendicular shock mass transfer device 26 is vertically installed, the top is equipped with down trunnion 30 in turn, is gone up trunnion 29, and an air suction pipe 28 respectively is equipped with in last trunnion 29 both sides; Last trunnion 29 links to each other with submersible sewage pump 27 by horizontal pressure pipe 33 and vertical pressure pipe 32.Stirring-type mass transfer by shock wave device comprises horizontal mass transfer by shock wave device 34, submersible sewage pump 27, left trunnion 35, right trunnion 36, upward pressure pipe 37, presses down solenoid 38, horizontal mass transfer by shock wave device 34 levels are installed, and the water outlet place is horizontally installed with right trunnion 36, left trunnion 35 in turn; A left side trunnion 35 by press down solenoid 38, upward pressure pipe 37 links to each other with submersible sewage pump 27.
Submersible sewage pump 27 is fixed on inner core 3 walls by support 39, and perpendicular shock mass transfer device 26 is fixed on inner core 3 base plates by support 39; Horizontal mass transfer by shock wave device 34 is fixed on inner core 3 base plates by support 39; Vertical pressure pipe 32 is installed safety-valve 31 with horizontal pressure pipe 33 joints, and upward pressure pipe 37 tops are equipped with safety-valve 31, two safety-valves and all are higher than V-notch weir 12.
The present invention in scale less than 5000m
3Can adopt circular structure during/d, when scale more than or equal to 5000m
3Can adopt square configuration during/d.
The present invention can change and processing requirements according to seasonal raw water quality, and flexible controlling reactor mass transfer by shock wave device working order is adjusted operation condition:
(1) sewage disposal process selecting.
When water inlet total phosphorus concentration during greater than 4mg/L, sewage at first enters the physical reaction district by materialization water inlet pipe 22 and carries out the processing of coagulation reinforced phosphor-removing, TP concentration is reduced to below the 4mg/L, entering sludge discharging area again separates the chemical sludge that produces with sewage: chemical sludge is deposited on the bucket bottom, and the sewage after the separation then enters biochemical reaction zone through spoil disposal seam 15 and is for further processing.
When the water inlet total phosphorus concentration was less than or equal to 4mg/L, sewage directly entered biochemical reaction zone by biochemical water inlet pipe 21 and handles.
Sewage enters triphase separator after biochemical reaction zone is handled, realize that at this mud, sewage separate with gas: mud is back to biochemical reaction zone through the seam 16 that refluxes, gas is overflowed from the biochemical reaction area edge through venting hole 14, and sewage then enters the settling region and further handles.In the settling region, in the process of sewage, realize mud-water separation through waveform precipitation inclined plate 13.The settling region water outlet enters effluent weir through V-notch weir 12, compiles the back drop and enters water outlet oxygenating district, discharges reactor by rising pipe 20 at last.When the water yield is excessive, the part water outlet will be discharged reactor by upflow tube 19.
The biochemical reaction zone excess sludge enters sludge discharging area by spoil disposal seam 15.The mud of sludge discharging area enters shore pipe 23 by the static pressure sludge discharge way by ventpipe 24 bottoms, discharges reactor.When equipment overhauls in the reactor, can be by sewage in half blow-down pipe, the 25 discharging reactors.
(2) aeration type mass transfer by shock wave device and stirring-type mass transfer by shock wave device operation:
The perpendicular shock mass transfer device 26 of aeration type mass transfer by shock wave device of the present invention and stirring-type mass transfer by shock wave device and horizontal mass transfer by shock wave device 34 all adopt the two spray of the latent suction mass transfer by shock wave injector of the patent No.: ZL01252372, by different mounting means, realize aeration performance and agitating function.
When chemical oxygen demand (COD) (COD) greater than 300mg/L, and total nitrogen (TN) is during greater than 40mg/L: if total phosphorus concentration is between 2-4mg/L, operation 3-2-1 (3 hours aerations, stirred in 2 hours, 1 hour quiet heavy) operating mode; If total phosphorus concentration, moves 3-3-0 (3 hours aerations, stirring in 3 hours) operating mode less than 2mg/L;
When chemical oxygen demand (COD) (COD) greater than 300mg/L total nitrogen (TN) when being less than or equal to 40mg/L: if total phosphorus concentration is less than 2mg/L, operation 3-1-2 (3 hours aerations, stirred in 2 hours, 1 hour quiet heavy) operating mode; If total phosphorus concentration, moves 3-0-3 (3 hours aerations, 3 hours quiet sinking) operating mode at 2-4mg/L.
(COD) is less than or equal to 300mg/L when chemical oxygen demand (COD), and total nitrogen (TN) is during greater than 40mg/L: if total phosphorus concentration is less than 2mg/L, and operation 2-2-0 (2 hours aeration, stirred in 2 hours) operating mode; If total phosphorus concentration, moves 2-1-1 (2 hours aerations, stirring in 1 hour, 1 hour quiet sinking) operating mode at 2-4mg/l.
When chemical oxygen demand (COD) (COD) when being less than or equal to 300mg/L: if total nitrogen (TN) concentration between the 20-40mg/L, total phosphorus concentration between 2-4mg/L, operation 2-1-1 (2 hours aerations, stirred in 1 hour, 1 hour quiet heavy) operating mode; If total nitrogen (TN) concentration between 2-4mg/L, is moved 2-0-2 (2 hours aerations, 2 hours quiet sinking) operating mode less than 20mg/L, total phosphorus concentration; If total nitrogen (TN) concentration between 20-40mg/L, total phosphorus concentration is during less than 2mg/L, operation 2-2-2 (2 hours aerations, stirred in 2 hours, 2 hours quiet heavy) operating mode; If total nitrogen (TN) concentration is less than 20mg/L, total phosphorus concentration during less than 2mg/L, operation 1-1-1 (1 hour aeration, stirred in 1 hour, 1 hour quiet heavy) operating mode.
By adjusting reaction time and aeration ratio, can when being 0.18～0.23kWh, ton water treatment energy consumption reach chemical oxygen demand (COD) (COD) clearance 65.84%～90.10%, ammonia nitrogen (NH
3-N) clearance 65.95%～92.30%, total nitrogen (TN) clearance 44.17%～75.31%, total phosphorus (TP) clearance 57.48%～89.35% level, treat effluent can satisfy " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level B emission standard.
Effect example 1
Operational mode (aeration 2h, stirring 1 hour, quiet heavy 1h), the water inlet index: 13.30 ℃ of average water temperatures, a ton water treatment energy consumption is 0.23kWh, the average influent concentration of chemical oxygen demand (COD) (COD) is 205.45mg/L, ammonia nitrogen (NH
3-N) average influent concentration is 25.77mg/L, and the average influent concentration of total nitrogen (TN) is 28.81mg/L, and the average influent concentration of total phosphorus (TP) is 2.81mg/L, and when adopting this operational mode, chemical oxygen demand (COD) (COD) average removal rate is 78.43%, ammonia nitrogen (NH
3-N) average removal rate is 65.95%, total nitrogen (TN) average removal rate is 55.31%, and total phosphorus (TP) average removal rate 67.48%, water outlet can be satisfied " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level B emission standard.
Effect example 2
Operational mode (aeration 2h, quiet heavy 2h), water inlet index: 12.65 ℃ of average water temperatures, ton water treatment energy consumption is 0.18kWh, chemical oxygen demand (COD) (COD) 188.22mg/L of on average intaking, ammonia nitrogen (NH3-N) 15.51mg/L of on average intaking, total nitrogen (TN) 18.87mg/L of on average intaking, total phosphorus (TP) 3.33mg/L of on average intaking.Chemical oxygen demand (COD) (COD) average removal rate 79.84%, ammonia nitrogen (NH
3-N) average removal rate 66.91%, total nitrogen (TN) average removal rate 44.17%, total phosphorus (TP) average removal rate 79.35%, water outlet can be satisfied " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level B emission standard.
Claims (5)
1. an integral synchronous denitrification dephosphorizing bioreactor is divided into biochemical reaction zone, water outlet oxygenating district, physical reaction district, sludge discharging area, settling region and triphase separator six parts on the function, it is characterized in that:
(A) urceolus (2) closed bottom is provided with inner core (3) in it, is biochemical reaction zone in the inner core (3), and biochemical water inlet pipe (21) passes urceolus (2) and the through biochemical reaction zone central authorities in inner core (3) top; Interlayer between urceolus (2) and the inner core (3) is separated by 4 risers successively: be water outlet oxygenating district between starting stave (5) and second riser (6), between second riser (6) and the 3rd riser (7) is the physical reaction district, between the 3rd riser (7) and the 4th riser (8) is sludge discharging area, is the settling region between the 4th riser (8) and the starting stave (5); Inner core (3) middle and lower part is provided with half blow-down pipe (25), passes settling region urceolus (2) the UNICOM external world; Inner core (3) bottom has spoil disposal seam (15), UNICOM's sludge discharging area;
(B) part of the top of urceolus (2) except that water outlet oxygenating district and physical reaction district is equipped with V-notch weir (12); Urceolus (2) top outer is provided with top tube (1), and top tube (1) top is concordant with inner core (3) top, and top tube (1) bottom is connected with the outside, top of urceolus (2) by annular flat board (4), forms mill weir; Urceolus (2) top of settling region and water outlet oxygenating district part is lower than inner core (3) top; The urceolus of other parts (2) top is concordant with inner core (3) top;
(C) water outlet oxygenating district top starting stave (5) is higher than V-notch weir (12) with second riser (6) top, and corresponding urceolus (2) top, top tube (1) lower rim is equipped with upflow tube (19); Bottom, water outlet oxygenating district is connected with rising pipe (20);
(D) physical reaction district the 3rd riser (7) top is lower than V-notch weir (12), and bottom, physical reaction district is connected with materialization water inlet pipe (22);
(E) the sludge discharging area upper space is equipped with waveform precipitation inclined plate (13), and the 4th riser (8) top is concordant with inner core (3) top; Between the 3rd riser (7) and the 4th riser (8) flow-stopping plate (9) is set, its upper end is concordant with inner core (3) top, and the lower end is concordant with waveform precipitation inclined plate (13) bottom, is water entry between flow-stopping plate (9) and the 3rd riser (7); Axial ventpipe (24) bottom is positioned at the sludge discharging area bottom, and the top communicates with atmosphere, and shore pipe (23) one ends link to each other with ventpipe (24), and the other end passes the UNICOM external world, urceolus (2) middle and lower part of sludge discharging area;
(F) waveform precipitation inclined plate (13) is equipped with on top, settling region; The bottom of settling region is a triphase separator, and it constitutes: have venting hole (14) in inner core (3) middle and lower part, be close to the top joint skirt shape swash plate (10) of venting hole (14); Have a circle backflow seam (16) in inner core (3) bottom, the lower edge of being close to the seam (16) that refluxes connects the shape of falling skirt swash plate (11); The shape of falling skirt swash plate (11) and backflow are sewed between the edge, all have spacing between skirt shape swash plate (10) and the shape of falling the skirt swash plate (11);
(G) be that biochemical reaction zone is equipped with aeration type mass transfer by shock wave device and stirring-type mass transfer by shock wave device in the inner core (3), aeration type mass transfer by shock wave device comprises perpendicular shock mass transfer device (26), submersible sewage pump (27), air suction pipe (28), last trunnion (29), following trunnion (30), vertical pressure pipe (32) and horizontal pressure pipe (33), perpendicular shock mass transfer device (26) is vertical to be installed, trunnion (30) is equipped with down on the top in turn, last trunnion (29), an air suction pipe (28) respectively is equipped with in last trunnion (29) both sides, and last trunnion (29) links to each other with submersible sewage pump (27) by horizontal pressure pipe (33) and vertical pressure pipe (32); Stirring-type mass transfer by shock wave device comprises horizontal mass transfer by shock wave device (34), submersible sewage pump (27), left trunnion (35), right trunnion (36), upward pressure pipe (37), presses down solenoid (38), horizontal mass transfer by shock wave device (34) level is installed, the water outlet place is horizontally installed with right trunnion (36), left trunnion (35) in turn, left trunnion (35) by press down solenoid (38), upward pressure pipe (37) links to each other with submersible sewage pump (27).
2. integral synchronous denitrification dephosphorizing bioreactor as claimed in claim 1 is characterized in that: bottom, water outlet oxygenating district is the bucket that starting stave (5) surrounds bottom second riser (6); Bottom, physical reaction district is the bucket that second riser (6) and the 3rd riser (7) surround; The sludge discharging area bottom is the bucket that the 3rd riser (7) and the 4th riser (8) surround, and described spoil disposal seam (15) is close to the top of bucket.
3. integral synchronous denitrification dephosphorizing bioreactor as claimed in claim 1 or 2 is characterized in that: skirt shape swash plate (10) is 30 °-45 ° with the angle β of inner core (3), and skirt shape swash plate (10) is 5-20mm with the shape of falling skirt swash plate (11) vertical spacing; The shape of falling skirt swash plate (11) inclination alpha is 45 °-60 °, and the shape of falling skirt swash plate (11) is 5-20mm with seam (16) the upper limb spacing that refluxes.
4. integral synchronous denitrification dephosphorizing bioreactor as claimed in claim 3 is characterized in that: the distance between plates of described waveform precipitation inclined plate (13) is 5-10mm, and the inclination angle is 45 ° of-60 ° of degree, is supported by angle steel.
5. integral synchronous denitrification dephosphorizing bioreactor as claimed in claim 4 is characterized in that: described submersible sewage pump (27) is fixed on inner core (3) wall by support, and perpendicular shock mass transfer device (26) is fixed on inner core (3) base plate by support; Horizontal mass transfer by shock wave device (34) is fixed on inner core (3) base plate by support; Vertical pressure pipe (32) is installed safety-valve (31) with horizontal pressure pipe (33) joint, and safety-valve (31) is equipped with on upward pressure pipe (37) top, and two safety-valves all are higher than V-notch weir (12).
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| CNB2007100513303A CN100475728C (en) | 2007-01-22 | 2007-01-22 | Integral synchronous denitrification dephosphorizing bioreactor |
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| CN101955302A (en) * | 2010-09-29 | 2011-01-26 | 华中科技大学 | Coupling, filtering and intermediate aerating bioreactor |
| CN102001791B (en) * | 2010-11-24 | 2012-11-14 | 哈尔滨工业大学 | Urban sewage strengthening treatment method in cold area based on multi-point feed water adjustment |
| CN104386817B (en) * | 2014-11-11 | 2015-10-14 | 中国矿业大学 | A kind of strengthening mud-water separation detests/anoxic-membrane bioreactor denitrification dephosphorization technique |
| CN107540082B (en) * | 2016-06-23 | 2023-11-07 | 帕克环保技术(上海)有限公司 | Wastewater dephosphorization reaction device |
| CN109607983A (en) * | 2019-01-31 | 2019-04-12 | 四川美富特水务有限责任公司 | Aeration tank, sewage disposal system and sewage water treatment method |
| CN115340262A (en) * | 2022-08-18 | 2022-11-15 | 广州市市政工程设计研究总院有限公司 | Low-carbon sewage treatment process for reducing carbon emission |
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