CN218058594U - Intensive biological method sewage treatment device - Google Patents
Intensive biological method sewage treatment device Download PDFInfo
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- CN218058594U CN218058594U CN202221321641.3U CN202221321641U CN218058594U CN 218058594 U CN218058594 U CN 218058594U CN 202221321641 U CN202221321641 U CN 202221321641U CN 218058594 U CN218058594 U CN 218058594U
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- 239000010865 sewage Substances 0.000 title claims abstract description 50
- 238000010170 biological method Methods 0.000 title abstract description 4
- 239000010802 sludge Substances 0.000 claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 238000004062 sedimentation Methods 0.000 claims abstract description 52
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 238000005273 aeration Methods 0.000 claims description 40
- 238000010992 reflux Methods 0.000 claims description 14
- 238000011001 backwashing Methods 0.000 claims description 13
- 244000005700 microbiome Species 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 239000003344 environmental pollutant Substances 0.000 claims description 8
- 231100000719 pollutant Toxicity 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 208000027418 Wounds and injury Diseases 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 4
- 208000014674 injury Diseases 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 230000000593 degrading effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000000746 purification Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to an intensive biological method sewage treatment device, include: an anaerobic tank, an aerobic tank, a sedimentation tank, an MBR tank and a device room; a first water passing pipe is arranged on the outer wall of the anaerobic tank; a second water passing pipe is arranged on the outer wall of the aerobic tank; an overflow hole is formed in the outer wall of the sedimentation tank, and a water outlet weir is arranged in the sedimentation tank; a water inlet is formed in the anaerobic tank; a first sludge discharge valve is arranged on the outer wall of the sedimentation tank; an MBR membrane reactor is arranged in the middle area of the MBR tank, and a water outlet is formed in the area above the MBR tank; a blower and a controller are arranged in the equipment room; the air outlet of the blower is communicated with the air inlet of the MBR membrane reactor; the controller is electrically connected with the blower; the utility model discloses can subtract the time and the expense of exempting from secondary installation, take air-blower and electric cabinet certainly, reduce the construction and the investment of equipment room.
Description
Technical Field
The utility model relates to a sewage treatment device technical field, more specifically say, it relates to an intensive biological method sewage treatment device.
Background
The sewage treatment industry in China is rapidly advanced, the whole development is in a rapid growth period, and the method mainly shows that the sewage treatment capacity is rapidly expanded, the sewage treatment rate is stably improved, the sewage treatment capacity is rapidly increased and the like. However, the situation of sewage treatment construction in China is still severe, and particularly, the sewage treatment rate of county cities and towns is low because sewage treatment equipment needs to be installed for the second time, and a large amount of installation time and cost are consumed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intensive biological sewage treatment device, can reduce and exempt from the time and the expense of secondary installation, from taking air-blower and controller, reduce the construction and the investment of equipment room.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an intensive biological sewage treatment plant comprising: the device comprises an anaerobic tank, an aerobic tank, a sedimentation tank, an MBR tank and a device room, wherein the anaerobic tank is used for primarily degrading macromolecular pollutants in sewage, the aerobic tank is arranged on the left side of the anaerobic tank and is used for further decomposing the molecular pollutants treated by the anaerobic tank, the sedimentation tank is arranged on the left side of the aerobic tank and is used for separating sludge from water treated by the aerobic tank, the MBR tank is arranged on the left side of the sedimentation tank and is used for removing nitrogen and phosphorus from the sewage treated by the sedimentation tank, and the device room is arranged on the left side of the MBR tank; a first water passing pipe communicated with the aerobic tank is arranged on the outer wall of the anaerobic tank; a second water pipe communicated with the sedimentation tank is arranged on the outer wall of the aerobic tank; an overflow hole which is communicated with the MBR tank is formed in the outer wall of the sedimentation tank, and an effluent weir which overflows sewage to the overflow hole is arranged in the sedimentation tank; a water inlet is formed in the anaerobic tank; a first sludge discharge valve is arranged on the outer wall of the sedimentation tank; an MBR membrane reactor is arranged in the middle area of the MBR tank, and a water outlet is formed in the upper area of the MBR tank; a blower and a controller are arranged in the equipment room; the air outlet of the blower is communicated with the air inlet of the MBR membrane reactor; the controller is electrically connected with the blower.
Optionally, a first filler is arranged in the middle area of the anaerobic tank; a second filler is arranged in the middle area of the aerobic tank; and a water distribution plate is arranged in the middle area of the sedimentation tank.
Optionally, a first aerator pipe for rolling the sludge deposited below the first filler is arranged at the bottom area of the anaerobic tank; a second aeration pipe for providing sufficient oxygen for microorganisms is arranged at the bottom area of the aerobic tank; a third aeration pipe for preventing sludge from caking is arranged at the bottom area of the sedimentation tank; a fourth aeration pipe used for washing sludge attached to the surface of membrane filaments of the MBR membrane reactor is arranged in the bottom area of the MBR tank; the air inlet of the first aeration pipe, the air inlet of the second aeration pipe, the air inlet of the third aeration pipe and the air inlet of the fourth aeration pipe are communicated with the air outlet of the air blower.
Optionally, a second sludge discharge valve is arranged on the outer wall of the MBR tank.
Optionally, the method further includes: a sludge reflux pump and a sludge return pipe; a third sludge discharge valve is arranged on the outer wall of the anaerobic tank; the sludge outlet end of the first sludge discharge valve is communicated with the sludge inlet end of the sludge reflux pump; one end of the sludge return pipe is communicated with the sludge outlet end of the third sludge discharge valve, and the other end of the sludge return pipe is communicated with the sludge outlet end of the sludge return pump; a fourth sludge discharge valve for discharging sludge to a sludge drying tank is arranged on the sludge return pipe; the sludge reflux pump is electrically connected with the controller.
Optionally, a first cover plate is detachably arranged at the top of the anaerobic tank, and a second cover plate is detachably arranged at the top of the aerobic tank.
Optionally, the right side terminal surface in anaerobism pond, the left side terminal surface between the equipment all is provided with four fillets that are used for avoiding operating personnel mistake to bump the injury.
Optionally, an MBR product water pump and a backwash pump are further arranged inside the equipment room; a clear water clapboard for dividing the inner space of the MBR tank into an MBR area and a clear water area is arranged inside the MBR tank; a water inlet of the MBR water producing pump is communicated with an MBR area of the MBR tank, and a water outlet of the MBR water producing pump is communicated with a clear water area of the MBR tank; a water inlet of the backwashing pump is communicated with a clear water area of the MBR tank, and a water outlet of the backwashing pump is communicated with an MBR area of the MBR tank; the water outlet is positioned on the outer wall of the clear water area of the MBR tank; the MBR water production pump and the backwashing pump are electrically connected with the controller.
To sum up, the utility model discloses following beneficial effect has: 1) The time and the cost of secondary installation are reduced, an air blower and an electric cabinet are arranged, and the construction and the investment of an equipment room are reduced; 2) The installation is convenient, the operation is simple and convenient, and a client only needs to connect the water inlet and outlet pipeline and the main cable with the equipment; 3) Has the capability of denitrification and dephosphorization, is matched with a biological membrane and a membrane component, and ensures the biochemical effect and the treatment effect; 4) The top of the equipment is covered, so that the smell generated in the equipment is prevented from floating outwards; 5) The right angle around the equipment is changed into the fillet, avoids operating personnel mistake to bump and be injured.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a schematic diagram of the process of the present invention;
in the figure: 1. an anaerobic tank; 11. a first water passing pipe; 12. a water inlet; 13. a first filler; 14. a first aeration pipe; 15. a third sludge discharge valve; 16. a first cover plate; 2. an aerobic tank; 21. a second water passing pipe; 22. a second filler; 23. a second aerator pipe; 24. a second cover plate; 3. a sedimentation tank; 31. an overflow aperture; 32. an effluent weir; 33. a first mud valve; 34. a water distribution plate; 35. a third aeration pipe; 4. an MBR tank; 41. an MBR membrane reactor; 42. a water outlet; 43. a fourth aeration pipe; 44. a second sludge discharge valve; 45. an MBR area; 46. a clear water zone; 47. a clear water partition plate; 48. a forward nozzle; 49. a back flushing port; 5. a device room; 51. a blower; 52. a controller; 53. an MBR water production pump; 54. a backwash pump; 6. a sludge reflux pump; 7. a mud returning pipe; 71. a fourth mud valve; 8. round corners; 9. a sludge drying tank.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and similar expressions are used for illustrative purposes only and do not indicate or imply that the device or element so referred to must be oriented, constructed and operated in a specific orientation and therefore should not be construed as limiting the invention.
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides an intensive biological sewage treatment device, as shown in figures 1-2, include: the device comprises an anaerobic tank 1 for primarily degrading macromolecular pollutants in sewage, an aerobic tank 2 for further decomposing the molecular pollutants treated in the anaerobic tank 1, a sedimentation tank 3 for separating mud and water from the sewage treated in the aerobic tank 2, an MBR tank 4 for removing nitrogen and phosphorus from the sewage treated in the sedimentation tank 3 and an equipment room 5, wherein the aerobic tank 2 is arranged on the left side of the anaerobic tank 1, the sedimentation tank 3 is arranged on the left side of the aerobic tank 2, and the MBR tank 4 is arranged on the left side of the MBR tank 4; a first water passing pipe 11 communicated with the aerobic tank 2 is arranged on the outer wall of the anaerobic tank 1; a second water pipe 21 communicated with the sedimentation tank 3 is arranged on the outer wall of the aerobic tank 2; an overflow hole 31 communicated with the MBR tank 4 is formed in the outer wall of the sedimentation tank 3, and an effluent weir 32 for overflowing sewage to the overflow hole 31 is arranged in the sedimentation tank 3; a water inlet 12 is formed in the anaerobic tank 1; a first sludge discharge valve 33 is arranged on the outer wall of the sedimentation tank 3; an MBR membrane reactor 41 is arranged in the middle area of the MBR tank 4, and a water outlet 42 is arranged in the upper area of the MBR tank 4; a blower 51 and a controller 52 are provided inside the equipment room 5; the air outlet of the blower 51 is communicated with the air inlet of the MBR membrane reactor 41; the controller 52 is electrically connected to the blower 51.
In this embodiment, the controller 5 is an electric cabinet including a PLC module, and may be right in the present invention, the electric device is opened, closed, or other control functions are realized. Seen from the right end to the left end of the equipment, the anaerobic tank 1, the aerobic tank 2, the sedimentation tank 3, the MBR tank 4 and the equipment room 5 are arranged in sequence, and any adjacent components can be fixed by screws or bases to form an integral structure. A first water passing pipe 11 and a second water passing pipe 21 are arranged on the inner outer wall of the device in the length direction; the horizontal height of the first water passing pipe 11 is slightly higher than that of the second water passing pipe 21, and the first water passing pipe 11 and the second water passing pipe 21 are respectively positioned at one side and the other side of the device, so that the retention time of sewage in the aerobic tank 2 is prolonged, and the sewage treatment effect is improved; an overflow hole 31 is arranged on a common clapboard of the sedimentation tank 3 and the MBR tank 4, and the common clapboard is the outer wall of the sedimentation tank 3 and the outer wall of the MBR tank 4. The water outlet weir 32 is fixed inside the sedimentation tank 3 through screws, and the water outlet direction of the water outlet weir 32 faces the overflow hole 31. A water inlet 12 and a water outlet 42 are arranged on the other side wall of the device in the length direction, the water inlet 12 is a sewage inlet, the water outlet 42 is a purified water outlet, the water inlet 12 is arranged on the outer wall of the upper end area of the anaerobic tank 1, and the water outlet 42 is arranged on the outer wall of the upper end area of the MBR tank 4. The first sludge discharge valve 33 is installed on a side wall of the bottom of the settling tank 3. The MBR membrane reactor 41 is suspended and fixed inside the MBR tank 4. The blower 51 and the controller 52 are installed inside the equipment room 5.
The sewage treatment process comprises the following steps: sewage in the domestic sewage tank is conveyed to a water inlet 12 through a booster pump and flows into the anaerobic tank 1, macromolecular pollutants in the sewage are primarily degraded by anaerobic microorganisms, part of generated sludge and dead microorganisms are settled to the bottom of the anaerobic tank 1, and the upper-layer sewage overflows to the aerobic tank 2 through a first water passing pipe 11 under the action of a water level height difference; the molecular pollutants in the aerobic tank 2 are further degraded by aerobic microorganisms, part of the generated sludge and dead microorganisms are settled to the bottom of the aerobic tank 2, and the upper-layer sewage overflows to the sedimentation tank 3 through a second water pipe 21 under the action of the height difference of the water level; in the sedimentation tank 3, a large amount of sludge and dead microorganisms settle to the bottom of the sedimentation tank, the sludge settled to the bottom is periodically discharged into the sludge drying tank 9 through the first sludge discharge valve 33, and relatively clean sewage is obtained at the upper layer; relatively clean sewage overflows to the MBR tank 4 through the effluent weir 32 and the overflow hole 31 in sequence; in the MBR tank 4, the controller 52 controls the blower 51 to operate, air is supplied to the MBR membrane reactor 41 through an internal pipeline, nitrogen-containing substances and phosphorus-containing substances in the sewage are removed, and the relatively clean sewage at the upper layer is purified to form clear water and then is discharged from the water outlet 42.
Further, a first filler 13 is arranged in the middle area of the anaerobic tank 1; a second filler 22 is arranged in the middle area of the aerobic tank 2; a water distribution plate 34 is arranged in the middle area of the sedimentation tank 3.
As shown in fig. 1-2, the first filler 13 is fixedly placed on the material frame of the anaerobic tank 1 by utilizing the self gravity, so that the interception effect on suspended matters (sludge and dead microorganisms) is improved, and the purification speed and the purification effect on sewage are improved; the second filler 22 is fixedly arranged on the material rack of the aerobic tank 2 by utilizing the self gravity, so that the interception effect on suspended matters (sludge and dead microorganisms) is improved, and the purification speed and the purification effect on sewage are improved; the water distribution plate 34 is fixed in the middle area of the inner space of the sedimentation tank 3 by screws, so that the water flow is stable and slow, the impact on the sedimentation tank 3 is avoided, the sludge at the bottom is dispersed and floated, the water distribution plate 34 is positioned at one side (the front end of the inlet water) of the second water passing pipe 21, and the water outlet weir 32 and the overflow hole 31 are positioned at one side of the first water passing pipe 11.
Further, a first aeration pipe 14 for tumbling sludge deposited under the first packing 13 is provided in a bottom region of the anaerobic tank 1; a second aeration pipe 23 for providing sufficient oxygen for microorganisms is arranged at the bottom area of the aerobic tank 2; a third aeration pipe 35 for preventing sludge from caking is arranged at the bottom area of the sedimentation tank 3; a fourth aeration pipe 43 for washing sludge attached to the surface of membrane filaments of the MBR membrane reactor 41 is arranged at the bottom area of the MBR tank 4; the air inlet of the first aeration pipe 14, the air inlet of the second aeration pipe 23, the air inlet of the third aeration pipe 35 and the air inlet of the fourth aeration pipe 43 are all communicated with the air outlet of the blower 51.
As shown in fig. 2, the first aeration pipe 14, the second aeration pipe 23, the third aeration pipe 35, and the fourth aeration pipe 43 are sequentially fixed to the bottom area of the anaerobic tank 1, the bottom area of the aerobic tank 2, the bottom area of the sedimentation tank 3, and the bottom area of the MBR tank 4 by screws, have a certain height with their respective bottom inner walls, and are communicated with the air outlet of the blower 51 by internal pipes, and valves for adjusting the amount of air are installed on the corresponding internal pipes. Wherein the second aeration pipe 23 and the fourth aeration pipe 43 are aerated upward, and the first aeration pipe 14 and the third aeration pipe 35 are aerated downward. The first aeration pipe 14 occasionally rolls the deposited sludge through back flush aeration by adjusting a corresponding valve so as to prevent a large amount of dead sludge from being deposited at the bottom; the second aeration pipe 23 continuously aerates to provide sufficient oxygen for microbial strains so as to create an aerobic environment; the third aeration pipe 35 performs back flushing aeration to loosen the sludge structure and facilitate discharge; the fourth aeration pipe 43 continuously aerates to wash away the sludge attached to the membrane filaments, so as to prevent the sludge from blocking the membrane filaments to influence the water outlet, provide sufficient oxygen and create an aerobic environment.
Further, a second sludge discharge valve 44 is provided on an outer wall of the MBR tank 4.
As shown in fig. 2, a second sludge discharge valve 44 is installed on the side wall of the bottom of the MBR tank 4, and sludge in the MBR tank is periodically discharged to the sludge drying tank 9, wherein the sludge drying tank 9 is separately arranged according to the situation of the use site.
Further, still include: a sludge reflux pump 6 and a sludge return pipe 7; a third sludge discharge valve 15 is arranged on the outer wall of the anaerobic tank 1; the sludge outlet end of the first sludge discharge valve 33 is communicated with the sludge inlet end of the sludge reflux pump 6; one end of the sludge return pipe 7 is communicated with the sludge outlet end of the third sludge discharge valve 15, and the other end of the sludge return pipe is communicated with the sludge outlet end of the sludge return pump 6; a fourth sludge discharge valve 71 for discharging sludge to a sludge drying tank is arranged on the sludge return pipe 7; the sludge reflux pump 6 is electrically connected to the controller 52.
As shown in fig. 2, a third sludge discharge valve 15 is installed on the side wall of the bottom of the anaerobic tank 1, and a sludge outlet end (an end far away from the inner space of the anaerobic tank 1) of the third sludge discharge valve 15 is connected to a sludge outlet end of the sludge reflux pump 6 through a sludge return pipe 7; the mud outlet end (the end far away from the inner space of the sedimentation tank 3) of the first mud valve 33 is connected with the mud inlet end of the mud reflux pump 6 through an inner pipeline; a fourth sludge discharge valve 71 is arranged in the middle of the sludge return pipe 7, and the sludge in the anaerobic tank 1 and the sludge in the sedimentation tank 3 can be discharged to the sludge drying tank 9 by opening the fourth sludge discharge valve 71. The sludge return pump 6 may be installed on the outer wall of the sedimentation tank 3 or may be installed in the equipment room 5.
Since the sludge in the anaerobic tank 1 and the aerobic tank 2 is lost along with the water flow, so that the anaerobic and aerobic microorganism strains are also lost, the sludge in the sedimentation tank 3 needs to be periodically partially returned to the anaerobic tank 1 through the sludge return pump 6. However, the amount of sludge in the anaerobic tank 1 and the sedimentation tank 3 is increasing, and part of the sludge is dead microorganisms and metabolic wastes of the microorganisms, which are not beneficial to the whole biochemical system, and part of the dead sludge needs to be periodically discharged in order to ensure the stability of the system. When the sludge flows back, the fourth sludge discharge valve 71 is closed, the first sludge discharge valve 33 is opened, the third sludge discharge valve 15 is opened, the controller 52 controls the sludge reflux pump 6 to work, and partial sludge in the sedimentation tank is conveyed into the anaerobic tank 1; simultaneously opening the third sludge valve 15 and the fourth sludge valve 71 and closing the first sludge valve 33, namely, the sludge in the anaerobic tank 1 can be discharged into the sludge drying tank 9 independently; and simultaneously opening the first sludge discharge valve 33 and the fourth sludge discharge valve 71, closing the third sludge discharge valve 15, and starting the sludge reflux pump 6, so that the sludge in the sedimentation tank 3 can be discharged into the sludge drying tank 9 independently.
Further, a first cover plate 16 is detachably arranged on the top of the anaerobic tank 1, and a second cover plate 24 is detachably arranged on the top of the aerobic tank 2.
As shown in fig. 1, the first cover plate 16 is fixed on the top of the anaerobic tank 1 by a conventional snap, and is generally opened when equipment is maintained; the second cover plate 24 is fixed on the top of the aerobic tank 2 through a conventional buckle and is generally opened when equipment is maintained; the first cover plate 16 and the second cover plate 24 both prevent the peculiar smell generated in the device from floating outwards, and form an inspection opening, when maintenance personnel need to inspect the interior of the anaerobic tank 1 and the aerobic tank 2, the first cover plate 16 or the second cover plate 24 can be opened as required. Corresponding cover plates can be arranged on the tops of the sedimentation tank 3 and the MBR tank 4 as required.
Furthermore, the right end face of the anaerobic tank 1 and the left end face of the equipment room 5 are provided with four round corners 8 for avoiding mistaken collision of operators with injuries.
As shown in figure 1, the utility model discloses a structure is a cuboid on the whole, and the circular arc has all been done to eight apex angles and has been handled, forms eight fillets 8, avoids operating personnel to bump the injury by mistake in transportation or operation process.
Further, an MBR water production pump 53 and a back flush pump 54 are arranged inside the equipment room 5; a clear water partition plate 47 for dividing the inner space of the MBR tank 4 into an MBR area 45 and a clear water area 46 is arranged in the MBR tank; the water inlet of the MBR water producing pump 53 is communicated with the MBR area 45 of the MBR tank 4, and the water outlet of the MBR water producing pump 53 is communicated with the clear water area 46 of the MBR tank 4; the water inlet of the backwashing pump 54 is communicated with the clear water area 46 of the MBR tank 4, and the water outlet of the backwashing pump 54 is communicated with the MBR area 45 of the MBR tank 4; the water outlet 42 is positioned on the outer wall of the clear water area 46 of the MBR tank 4; the MBR water production pump 53 and the backwash pump 54 are electrically connected to the controller 52.
As shown in fig. 1-2, a clear water partition plate 47 is disposed in the MBR tank 4 to divide the inner space of the MBR tank 4 into an MBR area 45 and a clear water area 46, and clear water in the MBR area 45 is delivered to the clear water area 46 by an MBR water producing pump 53 and then discharged through a water outlet 42; under the control of the controller 52, the backwashing pump 54 is started at regular time to convey the clean water in the clean water area 46 to the MBR tank 4, and the membrane filaments on the MBR membrane reactor 41 are washed in the reverse direction by the clean water to dredge the membrane filaments and prevent blockage. Within the specified treatment flow rate and under the control of the controller 52, the equipment can continuously feed water (sewage) and the system can continuously discharge water (clean water). In order to make the structure of the MBR tank 4 more compact, a forward water port 48 which is simultaneously communicated with the water inlet end of an MBR water producing pump 53 and the water outlet end of a backwashing pump 54 is arranged on the outer wall of the MBR area 45, a backwashing water port 49 which is simultaneously communicated with the water outlet end of the MBR water producing pump 53 and the water inlet end of the backwashing pump 54 is arranged on the outer wall of the clear water area 46, and the MBR water producing pump 53 and the backwashing pump 54 cannot be simultaneously started under the control of the controller 5.
To sum up, the utility model discloses an intensive biological process sewage treatment device has following advantage at least: 1) The time and the cost of secondary installation are saved, the construction and the investment of an equipment room are reduced due to the blower and the electric cabinet, and a client can operate by water inlet only by connecting the water inlet and outlet pipeline and the main cable with the equipment; 2) The installation is convenient, the operation is simple and convenient, and a client only needs to connect the water inlet and outlet pipeline and the main cable with the equipment; 3) The biological membrane has denitrification and dephosphorization capability, is matched with a biological membrane and a membrane component, and ensures biochemical effect and treatment effect; 4) The top of the equipment is covered, so that the smell generated in the equipment is prevented from floating outwards; 5) The right angle around the equipment is changed into a round angle, so that the operator is prevented from being injured due to mistaken collision; 6) On the premise of ensuring the treatment process and effluent to reach the standard, the volume of each treatment process is reduced, and the overall size of the compression equipment is reduced.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An intensive biological sewage treatment device, comprising: the device comprises an anaerobic tank, an aerobic tank, a sedimentation tank, an MBR tank and a device room, wherein the anaerobic tank is used for primarily degrading macromolecular pollutants in sewage, the aerobic tank is arranged on the left side of the anaerobic tank and is used for further decomposing the molecular pollutants treated by the anaerobic tank, the sedimentation tank is arranged on the left side of the aerobic tank and is used for separating sludge from water treated by the aerobic tank, the MBR tank is arranged on the left side of the sedimentation tank and is used for removing nitrogen and phosphorus from the sewage treated by the sedimentation tank, and the device room is arranged on the left side of the MBR tank; a first water passing pipe communicated with the aerobic tank is arranged on the outer wall of the anaerobic tank; a second water pipe communicated with the sedimentation tank is arranged on the outer wall of the aerobic tank; an overflow hole communicated with the MBR tank is formed in the outer wall of the sedimentation tank, and an effluent weir for overflowing sewage to the overflow hole is arranged in the sedimentation tank; a water inlet is formed in the anaerobic tank; a first sludge discharge valve is arranged on the outer wall of the sedimentation tank; an MBR membrane reactor is arranged in the middle area of the MBR tank, and a water outlet is formed in the upper area of the MBR tank; a blower and a controller are arranged in the equipment room; the air outlet of the blower is communicated with the air inlet of the MBR membrane reactor; the controller is electrically connected with the blower.
2. The intensive biological sewage treatment plant according to claim 1, wherein a first packing is provided in a middle region of the anaerobic tank; a second filler is arranged in the middle area of the aerobic tank; and a water distribution plate is arranged in the middle area of the sedimentation tank.
3. The intensive biological sewage treatment plant according to claim 2, wherein a first aeration pipe for tumbling the sludge deposited under the first filler is provided at a bottom region of the anaerobic tank; a second aeration pipe for providing sufficient oxygen for microorganisms is arranged at the bottom area of the aerobic tank; a third aeration pipe for preventing the sludge from caking is arranged at the bottom area of the sedimentation tank; a fourth aeration pipe used for washing sludge attached to the surface of membrane filaments of the MBR membrane reactor is arranged in the bottom area of the MBR tank; the air inlet of the first aeration pipe, the air inlet of the second aeration pipe, the air inlet of the third aeration pipe and the air inlet of the fourth aeration pipe are communicated with the air outlet of the air blower.
4. The intensive biological sewage treatment plant of claim 1, wherein a second sludge discharge valve is provided on an outer wall of the MBR tank.
5. The integrated biological sewage treatment plant of claim 1, further comprising: a sludge reflux pump and a sludge return pipe; a third sludge discharge valve is arranged on the outer wall of the anaerobic tank; the sludge outlet end of the first sludge discharge valve is communicated with the sludge inlet end of the sludge reflux pump; one end of the sludge return pipe is communicated with the sludge outlet end of the third sludge discharge valve, and the other end of the sludge return pipe is communicated with the sludge outlet end of the sludge return pump; a fourth sludge discharge valve for discharging sludge to a sludge drying tank is arranged on the sludge return pipe; the sludge reflux pump is electrically connected with the controller.
6. The integrated biological sewage treatment plant of claim 1, wherein a first cover plate is detachably disposed on the top of the anaerobic tank, and a second cover plate is detachably disposed on the top of the aerobic tank.
7. The intensive biological sewage treatment equipment according to claim 1, wherein four rounded corners for avoiding accidental collision and injury of operators are arranged on the right end face of the anaerobic tank and the left end face of the equipment room.
8. The intensive biological sewage treatment plant according to claim 1, wherein an MBR water production pump and a backwash pump are further arranged inside the plant room; a clear water partition plate for dividing the inner space of the MBR tank into an MBR area and a clear water area is arranged inside the MBR tank; the water inlet of the MBR water producing pump is communicated with the MBR area of the MBR tank, and the water outlet of the MBR water producing pump is communicated with the clear water area of the MBR tank; a water inlet of the backwashing pump is communicated with a clear water area of the MBR tank, and a water outlet of the backwashing pump is communicated with an MBR area of the MBR tank; the water outlet is positioned on the outer wall of the clear water area of the MBR tank; the MBR water production pump and the backwashing pump are electrically connected with the controller.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN117800553A (en) * | 2024-02-29 | 2024-04-02 | 陕西省神木君意煤炭实业发展有限公司 | Intelligent purification system for coal mine sewage and control method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117800553A (en) * | 2024-02-29 | 2024-04-02 | 陕西省神木君意煤炭实业发展有限公司 | Intelligent purification system for coal mine sewage and control method thereof |
CN117800553B (en) * | 2024-02-29 | 2024-05-28 | 陕西省神木君意煤炭实业发展有限公司 | Intelligent purification system for coal mine sewage and control method thereof |
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