CN209778592U - water treatment bioreactor - Google Patents
water treatment bioreactor Download PDFInfo
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- CN209778592U CN209778592U CN201920403177.4U CN201920403177U CN209778592U CN 209778592 U CN209778592 U CN 209778592U CN 201920403177 U CN201920403177 U CN 201920403177U CN 209778592 U CN209778592 U CN 209778592U
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Abstract
The utility model provides a water treatment bioreactor relates to water treatment facilities technical field, has solved the relatively poor technical problem of sewage treatment effect who exists among the prior art, including anaerobic jar, anoxic tank, aerobic tank, sedimentation tank and sand filtering pond, wherein: the anaerobic tank, the anoxic tank and the aerobic tank are sequentially sleeved from inside to outside, the aerobic tank is communicated with the sedimentation tank, and the sedimentation tank is used for sedimentation of sewage; the sand filter tank is communicated with the sedimentation tank, a sand filter layer is arranged in the sand filter tank, and the sand filter layer can filter suspended matters in sewage to be treated; the utility model discloses, after carrying out nitrogen and phosphorus removal to sewage through anaerobic jar, oxygen deficiency jar and good oxygen pond, deposit earlier, the back filters, can effectively filter the particulate matter in the sewage, and the sewage treatment effect is showing.
Description
Technical Field
The utility model relates to the technical field of water treatment equipment, concretely relates to water treatment bioreactor.
background
For rural areas and remote areas, large-scale sewage treatment plants cannot be built due to problems of capital, construction, management and the like, so that sewage is treated by using medium-sized and small-sized sewage treatment equipment, and the treatment effect of the sewage is affected by factors such as more suspended matters contained in the sewage or uneven water distribution of the existing medium-sized and small-sized equipment for treating the sewage by using an AAO (anaerobic anoxic-oxic) process.
the AAO integrated wastewater treatment device disclosed by Chinese patent documents comprises an AAO reactor and a sedimentation integrated tank, wherein the AAO reactor comprises an anaerobic tank, a first water pump, an anoxic tank, a second water pump, an aerobic tank and a third water pump; the device drives sewage through the cooperation of first water pump, second water pump and third water pump and flows, carries out nitrogen and phosphorus removal to sewage through anaerobism pond, oxygen deficiency pond and good oxygen pond, deposits through the integrative pond of sediment again to accomplish the processing of sewage.
The applicant has found, in comparison with the prior art, that at least the following technical problems exist:
1. The device just carries out sewage discharge through the sediment of sedimentation tank after nitrogen and phosphorus removal, contains more suspended solid in the sewage to influence the treatment effect of sewage.
2. The device drives sewage to flow through the water pump, and denitrification and dephosphorization are carried out through the anaerobic tank, the anoxic tank and the aerobic tank in sequence, and in the sewage treatment process, the water distribution is uneven, so that the sewage treatment effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water treatment bioreactor to solve the technical problem of poor sewage treatment effect of the water treatment reactor in the prior art; the utility model provides a plurality of technical effects that the preferred technical scheme in a plurality of technical schemes can produce (the backwash basin supplyes the flush water, the backwash water pump provides the washing power, the backwash pipeline transports and outputs the backwash water to wash the bottom of the sand filter layer, can effectively ensure the long-term maintenance of the filtering effect of the sand filter layer, the formation of the sewage self-circulation loop can play the effect of uniform water distribution, the water inlet joint is obliquely arranged relative to the tank wall of the anaerobic tank, the sewage in the anaerobic tank can flow in a self-whirling way, so that the sewage distribution in the anaerobic tank is more uniform, the guide weir plate is obliquely arranged, the sewage in the anaerobic tank can flow in a self-whirling way, so that the sewage distribution in the anaerobic tank is more uniform, the air stripping reflux device can reflux the sludge in the sedimentation tank, when the water level reaches the first effluent weir, the sewage can flow to the second aerobic tank, when the water level reaches the, sewage can flow to the sand filter; aerators are arranged in the first aerobic tank and the second aerobic tank, so that oxygen is provided, and sewage flow is promoted; the sewage self-circulation loop and the sewage self-swirling flow do not need a reflux pump and a stirring device on the premise of ensuring uniform water distribution, thereby simplifying the structure, saving energy, saving cost and the like); see below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
The utility model provides a pair of water treatment bioreactor, including anaerobic jar, anoxic tank, good oxygen pond, sedimentation tank and sand filtering pond, wherein: the anaerobic tank, the anoxic tank and the aerobic tank are sequentially sleeved from inside to outside, the aerobic tank is communicated with the sedimentation tank, and the sedimentation tank is used for sedimentation of sewage; the sand filter is communicated with the sedimentation tank, a sand filter layer is arranged in the sand filter, and the sand filter layer can filter suspended matters to be treated in sewage.
Preferably, the lower end of the sand filtering layer is provided with a back washing pipeline, the water treatment bioreactor further comprises a back washing tank, a back washing water pump is arranged in the back washing tank, and the back washing water pump is connected with the back washing pipeline.
Preferably, the aerobic tank includes a first aerobic tank and a second aerobic tank, the anaerobic tank, the anoxic tank and the first aerobic tank are sequentially sleeved from inside to outside, wherein: the anaerobic tank is connected with a water inlet device and communicated with the anoxic tank; a backflow port is formed in the wall of the anoxic tank, a first water outlet is formed in the lower portion of the wall of the anoxic tank, and sewage circulates through the anoxic tank, the first water outlet, the first aerobic pool and the backflow port to form a sewage self-circulation loop; the second aerobic tank is communicated with the sedimentation tank.
preferably, the water inlet device comprises a first water inlet pipe and a water inlet joint, the anaerobic tank comprises a tank body, wherein: the water inlet connector is arranged in the anaerobic tank and is connected with the first water inlet pipe, and the water inlet connector is obliquely arranged relative to the tank wall of the anaerobic tank; the tank body is provided with a conical part, and the inner diameter of the conical part is gradually reduced from top to bottom.
Preferably, the anaerobic tank is connected with a return pipe, the outlet end of the return pipe is connected with a return water outlet connector, the return water outlet connector is obliquely arranged relative to the tank wall of the anaerobic tank, and the oblique direction of the return water outlet connector is the same as that of the water inlet connector and is the same clockwise direction with the axis of the tank body as the central line.
preferably, the jar body still includes the post portion, the post portion sets up the pyramis upside, the second delivery port has been seted up to the post portion, be located on the outer wall of anaerobic jar the position of second delivery port with be located on the outer wall of anoxic jar the position of backward flow mouth all is provided with the direction weir plate, the incline direction of direction weir plate with water supply connector's incline direction is the same, all uses jar body axis is the same hour hand direction of central line.
Preferably, the inlet end of the return pipe is arranged in the sedimentation tank and communicated with the sedimentation tank, and the sedimentation tank is internally provided with a gas stripping reflux device which is connected with the return pipe.
Preferably, the first aerobic tank is provided with a first effluent weir, and the second aerobic tank is communicated with the first aerobic tank through the first effluent weir.
Preferably, the sedimentation tank intercommunication is provided with the second inlet tube, the sedimentation tank is provided with the second weir that goes out, wherein: the second inlet tube sets up in the second aerobic tank, the entrance point of sedimentation tank passes through the second inlet tube with the second aerobic tank intercommunication, the exit end of sedimentation tank passes through the second play weir with the sand filter links to each other.
Preferably, the first aerobic tank and the second aerobic tank are both provided with aerators, and the number of the aerators is at least two.
The utility model provides a pair of water treatment bioreactor has following beneficial effect at least:
The anaerobic tank, the anoxic tank and the aerobic tank are sequentially sleeved from inside to outside, and on one hand, the anaerobic tank, the anoxic tank and the aerobic tank can perform nitrogen and phosphorus removal on sewage, and on the other hand, the anaerobic tank, the anoxic tank and the aerobic tank are sequentially sleeved from inside to outside, so that land resources can be saved; the aerobic tank is communicated with the sedimentation tank, the sedimentation tank is used for sedimentation of sewage, and the sewage after nitrogen and phosphorus removal can be sedimentated after entering the sedimentation tank, so that the sewage treatment effect is improved; the sand filter tank is communicated with the sedimentation tank, a sand filter layer is arranged in the sand filter tank, and the sand filter layer can filter suspended matters in sewage to be treated, so that the sewage treatment effect is further improved; the utility model discloses, after to sewage nitrogen and phosphorus removal, earlier through deposiing, filter again, can effectively clear up the suspended solid in the sewage, improve the treatment effect of sewage.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural view of the anaerobic tank of the present invention;
FIG. 4 is a schematic structural view of a guide weir plate on the anaerobic tank of the utility model;
FIG. 5 is a schematic view of the structure of the anoxic tank of the present invention;
FIG. 6 is a schematic view of the structure of a guide weir plate on the anoxic tank of the present invention;
FIG. 7 is a schematic view of the water outlet switch of the present invention;
FIG. 8 is a schematic view of the self-circulation loop of sewage water of the present invention;
Fig. 9 is a schematic view of the self-refluxing principle of the present invention.
Reference numerals
1-anaerobic jar; 11-a cone part; 12-a pillar portion; 121-a second water outlet; 2-a water inlet device; 21-a first water inlet pipe; 22-water inlet joint; 3-an anoxic tank; 31-reflux port; 32-a first water outlet; 4-an aerobic tank; 41-a first aerobic tank; 411-a first effluent weir; 42-a second aerobic tank; 5-a sedimentation tank; 51-a second inlet pipe; 52-gas stripping reflux unit; 53-a second effluent weir; 6-a sand filter; 61-sand filter layer; 7-backwashing pool; 71-backwashing water pump; 8-equipment room; 9-a return pipe; 91-refluxing water outlet joint; 100-an aerator; 101-a water outlet switch; 1011-an adjusting plate; 1012-threaded fasteners; 1013-long round holes; 102-a guide weir plate; 103-a deflector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a water treatment bioreactor, like figure 1 the utility model discloses the structure schematic diagram and figure 2 the utility model discloses overlook the sketch map and show, including anaerobic jar 1, anoxic jar 3, aerobic tank 4, sedimentation tank 5 and sand filtering pond 6, wherein: the anaerobic tank 1, the anoxic tank 3 and the aerobic tank 4 are sequentially sleeved from inside to outside, the aerobic tank 4 is communicated with the sedimentation tank 5, and the sedimentation tank 5 is used for sedimentation of sewage; the sand filter 6 is communicated with the sedimentation tank 5, a sand filter layer 61 is arranged in the sand filter 6, the sand filter layer 61 comprises a quartz sand filter layer, and the sand filter layer 61 can filter suspended matters in sewage to be treated.
During the use, sewage promotes through hoisting device after fully adjusting stable quality of water in the equalizing basin water treatment bioreactor, sewage in proper order after anaerobism pond 1, oxygen deficiency pond 3, good oxygen pond 4 and sedimentation tank 5, flows to sand filter 6, after sand filter layer 61 filters, sewage discharge, the utility model discloses, carry out nitrogen and phosphorus removal through anaerobism pond 1, oxygen deficiency pond 3 and good oxygen pond 4 to sewage, later earlier through deposiing, again through filtering, can effectively filter the suspended solid in the sewage, sewage treatment effect is showing.
As an optional implementation mode, as shown in fig. 1, the anaerobic tank 1 and the anoxic tank 3 are coaxially arranged and are arranged in the aerobic tank 4, and the aerobic tank 4, the sedimentation tank 5 and the sand filter 6 are all rectangular tanks and are integrally arranged, so that the occupied area can be effectively saved on the basis of ensuring the sewage treatment effect.
as an alternative embodiment, as shown in fig. 1 and fig. 2, a back washing pipeline is arranged at the lower end of the sand filtering layer 61, the water treatment bioreactor further comprises a back washing tank 7, a back washing water pump 71 is arranged in the back washing tank 7, and the back washing water pump 71 is connected with the back washing pipeline; the backwashing pipeline is used for conveying the washing water under the action of the backwashing water pump 71, so that the washing water is sprayed to the bottom of the sand filtering layer 61 from the washing head, and backwashing is periodically carried out on the sand filtering layer 61 in a timed, quantitative and periodic manner, so that the filtering effect of the sand filtering layer 61 can be maintained for a long time, and the sewage treatment effect is improved; and a siphon breaking device is arranged on the backwashing pipeline and can effectively prevent water in the backwashing pipeline from flowing back.
As an optional implementation manner, as shown in fig. 1, fig. 2, fig. 5, the structural schematic diagram of the anoxic tank of the present invention and fig. 8, the schematic diagram of the sewage self-circulation loop of the present invention shows, the aerobic tank 4 includes a first aerobic tank 41 and a second aerobic tank 42, and the anaerobic tank 1, the anoxic tank 3 and the first aerobic tank 41 are sequentially sleeved from inside to outside, wherein: the anaerobic tank 1 is connected with the water inlet device 2, and the anaerobic tank 1 is communicated with the anoxic tank 3; the tank wall of the anoxic tank 3 is provided with at least two return ports 31, all the return ports 31 are located at the same height, all the return ports 31 are circumferentially distributed on the tank wall of the anoxic tank 3, the lower part of the tank wall of the anoxic tank 3 is provided with at least two first water outlets 32, all the first water outlets 32 are located at the same height, the first water outlets 32 are arranged right below the return ports 31 and circumferentially distributed on the tank wall of the anoxic tank 3, and sewage circulates through the anoxic tank 3, the first water outlets 32, the first aerobic tank 41 and the return ports 31 to form a sewage self-circulation loop; the second aerobic tank 42 is communicated with the sedimentation tank 5; when in use, sewage flows into the anaerobic tank 1 from the water inlet device 2, flows into the anoxic tank 3 through the first water outlet 32, then one part of the sewage in the anoxic tank 3 flows into the first aerobic tank 41, and the other part of the sewage flows back into the anoxic tank 3 through the return port 31 to form a sewage self-circulation loop; the sewage self-circulation loop can be formed without using a reflux pump, so that the structure is simplified, the energy consumption is reduced and the cost is saved on the basis of ensuring uniform water distribution.
As an optional implementation manner, as shown in fig. 5 and fig. 6, the position of the backflow port 31 is provided with a water outlet switch 101, the water outlet switch 101 includes an adjusting plate 1011 and a threaded fastener 1012, the adjusting plate 1011 is provided with a long circular hole 1013, the threaded fastener 1012 includes a stud and a nut, one end of the stud is screwed on the outer wall thread of the anaerobic tank 3, the other end of the stud passes through the long circular hole 1012 and is connected with the nut by screw thread, the nut is loosened, the adjusting plate 1011 can slide up and down relative to the stud, the nut is screwed, the relative position of the adjusting plate 1011 relative to the stud can be locked, so as to lock the flow area of the backflow port 31, and further control the water flow, and the positions of the first water outlet 32 and the second water outlet 121 are both provided with the water outlet switch 101.
as optional embodiment, like fig. 2, fig. 3 the utility model discloses anaerobic jar schematic structure and fig. 9 the utility model discloses from the principle schematic diagram that circles round, water installations 2 includes first inlet tube 21 and water supply connector 22, and anaerobic jar 1 includes the jar body, wherein: the water inlet joint 22 is arranged in the anaerobic tank 1 and is connected with the first water inlet pipe 21, and the water inlet joint 22 is obliquely arranged relative to the tank wall of the anaerobic tank 1; the tank body is provided with a conical part 11, and the inner diameter of the conical part 11 is gradually reduced from top to bottom; the water inlet joint 22 is obliquely arranged and matched with the cone part 11, so that sewage in the anaerobic tank 1 can realize self-convolution flow without stirring by a stirring device, and the structure is simplified and energy is saved on the basis of ensuring uniform water distribution; the internal first support that is provided with of jar, first inlet tube 21 pass through ferrule demountable installation on the first support, preferably, first inlet tube 21 and water supply connector 22 set up to the multiunit, and about the axis circumference of the jar body distributes, and a plurality of water supply connector 22's export direction is the same, is all with jar body axis is the same hour hand direction of central line.
As a preferred embodiment, as shown in fig. 2, the aperture of the water inlet joint 22 decreases sequentially along the water outlet direction, and the water inlet joint adopts a shrinking connection arrangement, so that under the condition of a certain flow rate, the flow rate of the sewage in the water outlet process can be effectively transited and increased through the sequential decrease of the aperture; is beneficial to the formation of the sewage self-convolution flow in the anaerobic tank 1.
As an alternative embodiment, as shown in fig. 2, a return pipe 9 is connected to the anaerobic tank 1, an outlet end of the return pipe 9 is connected to a return water outlet joint 91, the return water outlet joint 91 is inclined relative to the tank wall of the anaerobic tank 1, and the inclination direction of the return water outlet joint 91 is the same as the inclination direction of the water inlet joint 22, and both are the same clockwise direction with the tank axis as the center line; the inner wall of the tank body is connected with a second support, and the return pipe 9 is detachably arranged on the second support through a pipe hoop.
as an alternative embodiment, as shown in fig. 2, a water outlet pipe is arranged on the anaerobic tank 1 at a position below the cone portion 11, the water outlet pipe is connected with a valve through the cone portion 11, the valve is in a closed state in a normal state, and when the residual sewage in the anaerobic tank 1 needs to be drained, the valve is opened.
As an optional embodiment, as shown in fig. 3 and 5, the tank further includes a column part 12, the column part 12 is disposed on the upper side of the tapered part 11, the column part 12 is provided with second water outlets 121, the number of the second water outlets 121 is at least two, all the second water outlets 121 are circumferentially distributed on the tank wall of the anaerobic tank 1, all the second water outlets 121 are located at the same height, and preferably, the height of the second water outlets 121 is the same as the height of the backflow port 31; the position of the second water outlet 121 on the outer wall of the anaerobic tank 1 and the position of the reflux port 31 on the outer wall of the anoxic tank 3 are both provided with a guide weir plate 102, and the inclination directions of the guide weir plates 102 are the same as the inclination direction of the water inlet joint 22 and are the same clockwise direction with the axis of the tank body as the central line; as shown in fig. 4, the guiding weir plate 102 of the anaerobic tank of the present invention includes a first plate and a second plate, the first plate is disposed on one side of the backflow port 31 and is inclined relative to the outer wall of the anaerobic tank 1, the first plate is disposed in the tangential direction of the anaerobic tank 1, the second plate is disposed under the backflow port 31 and is vertically connected to the first plate, and the first plate and the second plate are L-shaped; as shown in fig. 6, the guiding weir plate structure of the anoxic tank of the present invention is schematically illustrated, the guiding weir plate 102 is disposed on the inner wall of the anoxic tank 2; the guide weir plate 102 plays a role in guiding flow, and is matched with the water inlet joint 42 and the backflow water outlet joint 91, so that sewage in the anaerobic tank 1 and the anoxic tank 3 can flow in a self-revolving manner, and the sewage flows in the same direction, namely clockwise or anticlockwise.
As an optional implementation manner, as shown in fig. 5, a flow guide plate 103 is disposed on an inner wall of the anoxic tank 3 at a position of the first water outlet 103, the flow guide plate 3 is disposed in an inclined manner with respect to the inner wall of the anoxic tank 3, the flow guide plate 3 includes a third plate body and a fourth plate body, the third plate body is disposed on one side of the first water outlet 103 and is arranged in an inclined manner with respect to the tank wall of the anoxic tank 3, the third plate body is disposed in a tangential direction of the anoxic tank 3, the fourth plate body is disposed on an upper side of the first water outlet 103 and is vertically connected with the third plate body, the third plate body and the fourth plate body are L-shaped, and the flow guide plate 3 can perform a flow guiding function; in the sewage in the first good oxygen pond 41 can flow into anoxic tank 3 through guide plate 103's guide effect tangential, guide plate 3 and direction weir plate 102 mutually support, make the sewage in the anoxic tank 3 flow that circles round on the one hand, and the flow direction is the same with the flow direction that circles round of sewage in anaerobic tank 1, and on the other hand cooperates out water switch 101, can adjust the dwell time of sewage in anoxic tank 3 to guarantee the degree of consistency of sewage.
As an alternative embodiment, as shown in fig. 2, the inlet end of the return pipe 9 is disposed in the sedimentation tank 5 and is communicated with the sedimentation tank 5, a gas stripping reflux device 52 is disposed in the sedimentation tank 5, the gas stripping reflux device 52 is connected with the return pipe 9, the gas stripping reflux device 52 can enable sludge in the sedimentation tank 5 to flow back to the anaerobic tank 1 from the return pipe 9, and the sewage treatment effect is further improved; optionally, the air stripping reflux device 52 comprises an air supply device and an air pipe, an air outlet of the air pipe is arranged in the water inlet of the reflux pipe 9, and an air outlet is vertically arranged upwards in the section of the reflux pipe 9 above the sewage liquid level.
as an alternative embodiment, as shown in fig. 2, the first aerobic tank 41 is provided with a first effluent weir 411, the second aerobic tank 42 is communicated with the first aerobic tank 41 through the first effluent weir 411, the first effluent weir 411 is provided as a triangular overflow weir, the triangular overflow weir comprises a triangular weir plate and a water distribution tank, the triangular weir plate is annularly arranged in the inner wall of the first aerobic tank 41, the water distribution tank is arranged between the triangular weir plate and the inner wall of the first aerobic tank 41, the water distribution tank is communicated with a water discharge pipe, the outlet end of the water discharge pipe is arranged at the bottom of the second aerobic tank 42, when the water level rises to the triangular weir plate, sewage can flow into the water distribution tank from the triangular weir port and then flow into the second aerobic tank 42 through the water discharge pipe.
As an alternative embodiment, as shown in fig. 2, the sedimentation tank 5 is provided with a second water inlet pipe 51, and the sedimentation tank 5 is provided with a second effluent weir 53, wherein: the second water inlet pipe 51 is arranged in the second aerobic tank 42, the inlet end of the sedimentation tank 5 is communicated with the second aerobic tank 42 through the second water inlet pipe 51, the outlet end of the sedimentation tank 5 is connected with the sand filter 6 through the second water outlet weir 53, one side of the second water outlet weir 53 is communicated with the second water inlet pipe 51, the other side of the second water outlet weir 53 is provided with an overflow weir plate, when the water level rises to the overflow weir plate, sewage can flow into the sand filter 6 from a weir port, preferably, as shown in fig. 1, the second water outlet weir 53 has the same structure as the first water outlet weir 411, and sewage in the sedimentation tank 5 flows into the sand filter 6 through the second water outlet weir 53; be provided with the baffle in the sedimentation tank 5, the baffle separates sedimentation tank 5 for two sedimentation districts, and second inlet tube 51 sets up to two, and two second inlet tubes 51 link to each other with two sedimentation districts respectively.
As an alternative embodiment, as shown in fig. 2, the first aerobic tank 41 and the second aerobic tank 42 are provided with at least two aerators 100, the aeration ports of the aerators 100 are arranged upward, the number of the aerators 100 is multiple and divided into two groups, one group of aerators is arranged in the first aerobic tank 41, two groups of aerators are arranged in the second aerobic tank 42, a first air pipe is arranged in the first aerobic tank 41, the first air pipe is arranged around the anoxic tank 3, one group of aerators is uniformly distributed on the first air pipe, a second air pipe is arranged in the second aerobic tank 42, the second air pipe comprises branched pipes arranged in parallel, and two groups of aerators are uniformly distributed on the branched pipes; the aerator 100 is arranged to provide oxygen to the aerobic tank 4 on one hand and has a gas stripping function to promote the flow of sewage on the other hand.
as an alternative embodiment, as shown in fig. 1 and 2, the water treatment bioreactor further comprises an equipment room 8, and an electric control box is arranged in the equipment room 8 and can control the back washing water pump 71 to be turned on or off.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a water treatment bioreactor which characterized in that, includes anaerobic jar (1), anoxic tank (3), aerobic tank (4), sedimentation tank (5) and sand filtering pond (6), wherein:
The anaerobic tank (1), the anoxic tank (3) and the aerobic tank (4) are sequentially sleeved from inside to outside, the aerobic tank (4) is communicated with the sedimentation tank (5), and the sedimentation tank (5) is used for sedimentation of sewage;
The sand filter (6) is communicated with the sedimentation tank (5), a sand filter layer (61) is arranged in the sand filter (6), and the sand filter layer (61) can filter suspended matters to be treated in sewage.
2. The water treatment bioreactor according to claim 1, wherein a back flush pipeline is arranged at the lower end of the sand filtering layer (61), the water treatment bioreactor further comprises a back flush tank (7), a back flush water pump (71) is arranged in the back flush tank (7), and the back flush water pump (71) is connected with the back flush pipeline.
3. The water treatment bioreactor according to claim 1, wherein the aerobic tank (4) comprises a first aerobic tank (41) and a second aerobic tank (42), and the anaerobic tank (1), the anoxic tank (3) and the first aerobic tank (41) are sequentially sleeved from inside to outside, wherein:
The anaerobic tank (1) is connected with a water inlet device (2), and the anaerobic tank (1) is communicated with the anoxic tank (3);
a return opening (31) is formed in the wall of the anoxic tank (3), a first water outlet (32) is formed in the lower portion of the wall of the anoxic tank (3), and sewage circulates through the anoxic tank (3), the first water outlet (32), the first aerobic tank (41) and the return opening (31) to form a sewage self-circulation loop;
The second aerobic tank (42) is communicated with the sedimentation tank (5).
4. A water treatment bioreactor according to claim 3, wherein the water inlet means (2) comprises a first water inlet pipe (21) and a water inlet joint (22), the anaerobic tank (1) comprises a tank body, wherein:
The water inlet connector (22) is arranged in the anaerobic tank (1) and is connected with the first water inlet pipe (21), and the water inlet connector (22) is obliquely arranged relative to the tank wall of the anaerobic tank (1);
The tank body is provided with a conical part (11), and the inner diameter of the conical part (11) is gradually reduced from top to bottom.
5. The bioreactor for water treatment according to claim 4, characterized in that a return pipe (9) is connected to the anaerobic tank (1), the outlet end of the return pipe (9) is connected to a return water outlet connector (91), the return water outlet connector (91) is inclined relative to the tank wall of the anaerobic tank (1), and the inclination direction of the return water outlet connector (91) is the same as the inclination direction of the water inlet connector (22) and is the same clockwise direction with the tank axis as the center line.
6. the bioreactor for treating water according to claim 5, wherein the tank further comprises a column part (12), the column part (12) is arranged on the upper side of the cone part (11), the column part (12) is provided with a second water outlet (121), a guide weir plate (102) is arranged on the outer wall of the anaerobic tank (1) at the position of the second water outlet (121) and the outer wall of the anoxic tank (3) at the position of the backflow port (31), the inclination directions of the guide weir plate (102) are the same as the inclination direction of the water inlet joint (22), and are the same clockwise direction taking the axis of the tank as the central line.
7. The bioreactor for water treatment according to claim 5, characterized in that the inlet end of the return pipe (9) is arranged in the sedimentation tank (5) and is communicated with the sedimentation tank (5), and a gas stripping reflux device (52) is arranged in the sedimentation tank (5), and the gas stripping reflux device (52) is connected with the return pipe (9).
8. A water treatment bioreactor according to claim 3, wherein the first aerobic tank (41) is provided with a first effluent weir (411), and the second aerobic tank (42) is in communication with the first aerobic tank (41) through the first effluent weir (411).
9. a water treatment bioreactor according to claim 3, wherein the sedimentation tank (5) is provided with a second inlet pipe (51) in communication therewith, and the sedimentation tank (5) is provided with a second outlet weir (53), wherein:
The second inlet tube (51) is arranged in the second aerobic tank (42), the inlet end of the sedimentation tank (5) is communicated with the second aerobic tank (42) through the second inlet tube (51), and the outlet end of the sedimentation tank (5) is connected with the sand filter (6) through the second effluent weir (53).
10. the water treatment bioreactor according to claim 3, wherein each of the first aerobic tank (41) and the second aerobic tank (42) is provided with an aerator (100), and the number of the aerators (100) is at least two.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185068A (en) * | 2021-06-10 | 2021-07-30 | 桂林理工大学 | Combined type organic wastewater treatment system |
| CN115072941A (en) * | 2022-07-21 | 2022-09-20 | 深圳永清水务有限责任公司北京分公司 | Biological electrochemical device for treating high-salinity wastewater |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185068A (en) * | 2021-06-10 | 2021-07-30 | 桂林理工大学 | Combined type organic wastewater treatment system |
| CN115072941A (en) * | 2022-07-21 | 2022-09-20 | 深圳永清水务有限责任公司北京分公司 | Biological electrochemical device for treating high-salinity wastewater |
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