CN105036455A - Refined cotton wastewater treatment system - Google Patents
Refined cotton wastewater treatment system Download PDFInfo
- Publication number
- CN105036455A CN105036455A CN201510324377.7A CN201510324377A CN105036455A CN 105036455 A CN105036455 A CN 105036455A CN 201510324377 A CN201510324377 A CN 201510324377A CN 105036455 A CN105036455 A CN 105036455A
- Authority
- CN
- China
- Prior art keywords
- water
- tank
- section
- anoxic
- aeration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Physical Water Treatments (AREA)
Abstract
The invention relates to a refined cotton wastewater treatment system which comprises a wastewater regulating tank, a reinforced floatation tank, an ozone oxidation coagulative precipitation tank, a flow deflection filler-type anoxic-anaerobic reaction tank, an aerobic contact oxidation tank, a secondary precipitation tank, a decolorization tank and a sand filter, wherein the reinforced floatation tank is sequentially provided with a silt region, a mixing region and a separation region from bottom to top; the ozone oxidation coagulative precipitation tank comprises an aeration mixing region and a precipitation region; the flow deflection filler-type anoxic-anaerobic reaction tank comprises a facultative anaerobic section, an anoxic section and an anaerobic section which are divided by deflector plates; the aerobic contact oxidation tank is provided with a water inlet pipe, a water distribution pyrometric cone and an aeration control system; wastewater enters the reinforced floatation tank via the regulating tank to remove scum and then enters the ozone oxidation coagulative precipitation tank, so that pollutants can oxidated, decomposed and precipitated; and the wastewater enters the flow deflection filler-type anoxic-anaerobic reaction tank and aerobic contact oxidation tank to be subjected to anoxic, anaerobic and aerobic reactions, and is precipitated, decolorized, filtered and finally discharged after reaching the standard.
Description
Technical field
The present invention relates to technical field of waste water processing, be specifically related to a kind of purified cotton Waste Water Treatment.
Background technology
Purified cotton waste water washes rinse water primarily of black digestion liquid, slightly, fine purifiation rinse water three strands of waste water are formed, and containing impurity such as a large amount of linterss in waste water, linters belongs to lignin material.Purified cotton waste water is strong basicity, brown color, its biochemical oxygen demand (BOD) (BOD) and chemical oxygen demand (COD) (COD) all higher, complicated component, biodegradability is poor, brings very large difficulty to purified cotton wastewater treatment.
Most purified cotton manufacturing enterprise when processing purified cotton waste water with reference to the method for other papermaking enterprise wastewater process in mid section, main employing materialization and the biochemical treatment process combined, its coagulation adopts grid, equalizing tank, mainly removes waste water suspension, and regulating water quality, the water yield; Biochemical treatment adopts acidication and contact oxidation technology usually.
Refined Cotton Wastewater Treatment does not also have extremely successful precedent at home, therefore, is badly in need of seeking a kind of reliable, stable treatment process and method, carries out process up to standard to purified cotton waste water.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve the difficult problem in above-mentioned purified cotton wastewater treatment, the invention provides a kind of purified cotton Waste Water Treatment.
The technical solution adopted for the present invention to solve the technical problems is: a kind of purified cotton Waste Water Treatment, comprises wastewater equalization pond, strengthening air flotation pool, ozone oxidation coagulative precipitation tank, baffling filler formula anoxic anaerobic reation pool, aerobic contact oxidation pond, second pond, decolouring pond and sand filter; Described wastewater equalization pond, strengthening air flotation pool, ozone oxidation coagulative precipitation tank, baffling filler formula anoxic anaerobic reation pool, aerobic contact oxidation pond, second pond, decolouring pond are communicated with successively with sand filter.
Described wastewater equalization pond comprises water inlet pipe and rising pipe, for regulating water quality and the water yield of purified cotton waste water.
Described strengthening air flotation pool comprises water inlet pipe and the rising pipe for discharging the rear water of process, and described strengthening air flotation pool is followed successively by silt particle district, mixing zone and disengaging zone from bottom to up; Described disengaging zone comprises catchment area and is positioned at Nei Jizha district, catchment area; Be provided with aeration plate between the silt particle district of described strengthening air flotation pool and mixing zone, the top of described aeration plate is provided with water distribution branch pipe, and described water distribution branch pipe connects water inlet pipe, and described aeration plate is connected with the blower fan outside strengthening air flotation pool by aeration tube; Triphase separator is provided with in described disengaging zone, described triphase separator comprise flow deflector and be positioned at below flow deflector with flow deflector with the use of triangle guide ring, described triangle guide ring is arranged on the inwall of strengthening air flotation pool, the top of described flow deflector is identical with the shape of disengaging zone, the bottom of described flow deflector is horn-like, and the internal diameter of the bottom of described flow deflector is greater than the internal diameter of triangle guide ring; The top of described disengaging zone outer wall is provided with overfalling weir, and described overfalling weir is connected with rising pipe; Described Ji Zhaqu is laid with dreg scraper and scum silica frost groove; When waste water overflows from the bottom up, water enters the bottom of flow deflector together with scum silica frost by triangle guide ring, and scum silica frost continues up to enter Ji Zhaqu, and water enters catchment area by the gap between flow deflector and triangle guide ring; In order to the better effects if of wastewater treatment, described water distribution branch pipe is arranged to concentric circles or cross shape, water distribution branch pipe has horizontal radiation water outlet; Further, described aeration plate is the pore type aeration plate being evenly provided with micropore; Due to water, sedimentary density difference, realize being separated under triphase separator effect; In order to discharge the throw out after process, bottom described strengthening air flotation pool, be provided with sediment discharge valve.
The rising pipe of described strengthening air flotation pool is communicated with the water inlet pipe of ozone oxidation coagulative precipitation tank.
Described ozone oxidation coagulative precipitation tank comprises aeration mixing zone and settling region, ozonation aerated dish is provided with bottom aeration mixing zone, the top of described ozonation aerated dish is provided with water distribution branch pipe, described water distribution branch pipe connects water inlet pipe, described ozonation aerated dish is connected with the blower fan outside ozone oxidation coagulative precipitation tank by aeration tube, blower and pipeline is communicated with ozonizer; Baffle plate is provided with in described settling region, the inwall of this baffle plate and settling tank forms the waste water runner entering settling region as waste water, the exit of settling region is provided with triphase separator, the outlet top of settling region is provided with overfalling weir, the tapered structure of settling region bottom design, is provided with mud valve bottom settling region; Described middle and upper part, aeration mixing zone is provided with liquid add-on system.
Described baffling filler formula anoxic anaerobic reation pool comprises the double oxygen section, anoxic section and the anaerobism section that are separated into by traverse baffle, described double oxygen section head end is provided with the water inlet pipe for feeding waste water, oxygen section end of holding concurrently is communicated with anoxic section head end, anoxic section end is communicated with anaerobism section head end, the bottom of described anoxic section and anaerobism section water inlet side traverse baffle is provided with the corner of 45 degree, the shock action produced when entering to avoid current, thus the effect playing buffering current and water distribution uniformity; Anaerobism section end is provided with triphase separator and overfalling weir, and overfalling weir connects rising pipe; Described double oxygen section, anoxic section and the tapered structure of anaerobism section bottom design, pyramidal structure connects mud discharging valve; The double oxygen section of described baffling filler formula anoxic anaerobic reation pool, anoxic section and anaerobism section upper cover design coning structure, conical structure top is all provided with independently methane waste product effuser.All filler is provided with in described double oxygen section, anoxic section and anaerobism section.
In described aerobic contact oxidation pond, middle and lower part is provided with water inlet pipe, and described water inlet pipe bottom is provided with water distribution pyrometric cone; Described water distribution pyrometric cone bottom is provided with aeration regulator control system, and described aeration regulator control system comprises aeration plate, gas blower and dissolved oxygen sensing regulation device; Further, described aeration plate is the pore type aeration plate being evenly provided with micropore, described aeration plate connects gas blower by aeration tube, gas blower is arranged on outside aerobic contact oxidation pond, top, the waste water underwater in aerobic contact oxidation pond arrange dissolved oxygen sensing regulation device, and described dissolved oxygen sensing regulation device is according to the work of oxygen capacity regulation and control gas blower; Described aerobic contact oxidation pond is built-in with filler; The water outlet in described aerobic contact oxidation pond is laid with overflow weir.
The rising pipe in described aerobic contact oxidation pond connects second pond, and be provided with sludge recirculation system bottom second pond, a part of sludge reflux is to baffling filler formula anoxic anaerobic reation pool.
Water after sedimentation in secondary sedimentation tank process enters decolouring pond and sand filter through overflow weir, qualified discharge after filtering.
Adopt above-mentioned purified cotton Waste Water Treatment to carry out a method for wastewater treatment, there are following steps:
1. purified cotton waste water enters wastewater equalization pond regulating water quality and the water yield by water inlet pipe.
2. then waste water enters the middle and lower part of strengthening air flotation pool disengaging zone by water inlet pipe; The aeration plate be arranged in below strengthening air flotation pool water inlet pipe produces a large amount of tiny bubble makes the solids of waste water produce friction, removes other pollutents on solids; The tiny bubble that aeration plate produces and supernatant adhere to and form mixture and rise under buoyancy, under the effect of strengthening air flotation pool disengaging zone triphase separator, mixture rises to Ji Zhaqu, and under the effect of dreg scraper, scum silica frost enters scum silica frost groove and cleaned outward transport; Throw out sinks to the silt particle district of strengthening air flotation pool bottom under gravity, is discharged by the sediment discharge valve bottom strengthening air flotation pool; Water after separating treatment enters strengthening air flotation pool catchment area under the effect of strengthening air flotation pool three-phase separation area flow deflector, is communicated with the water inlet pipe of ozone oxidation coagulative precipitation tank by overfalling weir, rising pipe and pipe connecting.
3. waste water enters the middle and lower part of ozone oxidation coagulative precipitation tank by the water inlet pipe of ozone oxidation coagulative precipitation tank and water distribution branch pipe; The ozonation aerated dish be arranged in below ozone oxidation coagulative precipitation tank water distribution branch pipe produces a large amount of tiny bubble makes the solids of waste water rub further, macromolecular substance in waste water is oxidized to the small-molecule substance being easy to absorb and adsorb simultaneously, enter settling region after waste water after oxygenolysis mixes with coagulating agent, the triphase separator of settling region realizes mud-water separation; Mud sinks to the bottom of ozone oxidation coagulative precipitation tank settling region under gravity, is discharged by the mud valve of bottom; Waste water is communicated with the water inlet pipe of baffling filler formula anoxic anaerobic reation pool by overfalling weir, rising pipe with pipe connecting.
4. waste water enters the bottom of baffling filler formula anoxic anaerobic reation pool by the hold concurrently water inlet pipe of oxygen section of baffling filler formula anoxic anaerobic reation pool; Waste water advances up and down along traverse baffle after entering baffling filler formula anoxic anaerobic reation pool, successively by the Sludge Bed of each reaction chamber of hold concurrently oxygen section, anoxic section and anaerobism section, mud in reaction tank moves along with the upper current downflow of waste water and the effect of biogas rising, the settlement action of the barrier effect of traverse baffle and mud self makes again the flow velocity of mud reduce, therefore a large amount of mud is all trapped within reaction tank, and the microorganism in reaction tank fully contacts with the organism in waste water.Hydrolysis of organic matter in waste water is organic acid by the heterotrophic bacterium of the amphimicrobe of oxygen section, anoxic section and the anaerobism section held concurrently, and make larger molecular organics be decomposed into small organic molecule, insoluble organism changes into dissolved organic matter.
5. the waste water after anaerobic reaction realizes the separation of mud, water, methane gas at the triphase separator that anaerobism section end is provided with, mud sinks to the bottom of baffling filler formula anoxic anaerobic reation pool under gravity, and unnecessary mud is discharged by the mud discharging valve of bottom; The methane waste product that baffling filler formula anoxic anaerobic reation pool produces collects discharge by reaction tank top effuser; Waste water after process is communicated with the water inlet pipe in aerobic contact oxidation pond by overfalling weir, rising pipe with pipe connecting.
6. waste water enters the middle and lower part in aerobic contact oxidation pond by water inlet pipe, water distribution uniformity under the effect of water distribution pyrometric cone, described aeration plate is the pore type aeration plate being evenly provided with micropore, produce a large amount of microbubbles, described dissolved oxygen sensing regulation device is according to the work of oxygen capacity regulation and control gas blower, guarantee that the dissolved oxygen in the water of aerobic contact oxidation pond is greater than 2mg/L, the waste water after process is flowed out by overflow weir and rising pipe.
7. the rising pipe in aerobic contact oxidation pond connects the water distributor of second pond, and the precipitating sludge part sludge reflux of second pond is to baffling filler formula anoxic anaerobic reation pool, and a part is as excess sludge.
8. the water after sedimentation in secondary sedimentation tank process enters decolouring pond and sand filter through overflow weir, qualified discharge after filtering.
9. transport outward after strengthening the excess sludge dehydration of air flotation pool, ozone oxidation coagulative precipitation tank, baffling filler formula anoxic anaerobic reation pool, second pond discharge.
The invention has the beneficial effects as follows: structure of the present invention is simple, and cost is lower, has reasonable depth effect, convenient management to purified cotton wastewater treatment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of embodiment of the present invention strengthening air flotation pool.
In Fig. 1: 1. strengthen air flotation pool, 1-1. strengthens air flotation pool water inlet pipe, 1-2. silt particle district, 1-3. mixing zone, 1-4. catchment area, 1-5. Ji Zhaqu, 1-6. strengthens air flotation pool aeration plate, 1-7. strengthens air flotation pool water distribution branch pipe, 1-8. gas blower and gas meter, and 1-9. strengthens air flotation pool triphase separator, 1-10. overfalling weir, 1-11. dreg scraper, 1-12. scum silica frost groove, 1-13. sediment discharge valve.
Fig. 2 is the structural representation of embodiment of the present invention ozone oxidation coagulative precipitation tank.
In Fig. 2: 2. ozone oxidation coagulative precipitation tank, 2-1. aeration mixing zone, 2-2. settling region, the ozonation aerated dish of 2-3., 2-4. water distribution branch pipe, 2-5. water inlet pipe, 2-6. ozone gas blower and gas meter, 2-7. ozonizer, 2-8. baffle plate, 2-9. ozone oxidation coagulative precipitation tank triphase separator, 2-10. ozone oxidation coagulative precipitation tank overfalling weir, 2-11. mud valve, 2-12. liquid add-on system.
Fig. 3 is the structural representation of embodiment of the present invention baffling filler formula anoxic anaerobic reation pool.
In Fig. 3: 3. baffling filler formula anoxic anaerobic reation pool, 3-1. traverse baffle, 3-2. holds concurrently oxygen section, 3-3. anoxic section, 3-4. anaerobism section, 3-5. baffling filler formula anoxic anaerobic reation pool water inlet pipe, 3-6. baffling filler formula anoxic anaerobic reation pool triphase separator, 3-7. baffling filler formula anoxic anaerobic reation pool overfalling weir, 3-8. mud discharging valve, 3-9. upper cover, 3-10. effuser, 3-11. filler.
Fig. 4 is the structural representation in embodiment of the present invention aerobic contact oxidation pond.
In Fig. 4: 4. aerobic contact oxidation pond, 4-1. aerobic contact oxidation pond water inlet pipe, 4-2. water distribution pyrometric cone, 4-3. aeration regulator control system, 4-4. filler, 4-5. aerobic contact oxidation pond overflow weir.
Fig. 5 is the process flow sheet of the embodiment of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment
As shown in Fig. 1 ~ Fig. 5, a kind of purified cotton Waste Water Treatment of the present invention, comprises wastewater equalization pond, strengthening air flotation pool 1, ozone oxidation coagulative precipitation tank 2, baffling filler formula anoxic anaerobic reation pool 3, aerobic contact oxidation pond 4, second pond, decolouring pond and sand filter; Described wastewater equalization pond, strengthening air flotation pool 1, ozone oxidation coagulative precipitation tank 2, baffling filler formula anoxic anaerobic reation pool 3, aerobic contact oxidation pond 4, second pond, decolouring pond are communicated with successively with sand filter.
Described wastewater equalization pond comprises water inlet pipe and rising pipe, for regulating water quality and the water yield of purified cotton waste water.
Described strengthening air flotation pool 1 comprises water inlet pipe 1-1 and the rising pipe for discharging the rear water of process, and described strengthening air flotation pool is followed successively by silt particle district 1-2, mixing zone 1-3 and disengaging zone from bottom to up; Described disengaging zone comprises catchment area 1-4 and is positioned at Nei Jizha district, catchment area 1-5; Aeration plate 1-6 is provided with between the silt particle district 1-2 of described strengthening air flotation pool and mixing zone 1-3, the top of described aeration plate is provided with water distribution branch pipe 1-7, described water distribution branch pipe connects water inlet pipe 1-1, and described aeration plate 1-6 is connected with the blower fan 1-8 outside strengthening air flotation pool by aeration tube.Triphase separator 1-9 is provided with in described disengaging zone, described triphase separator 1-9 comprise flow deflector and be positioned at below flow deflector with flow deflector with the use of triangle guide ring, described triangle guide ring is arranged on the inwall of strengthening air flotation pool, the top of described flow deflector is identical with the shape of disengaging zone, the bottom of described flow deflector is horn-like, and the internal diameter of the bottom of described flow deflector is greater than the internal diameter of triangle guide ring; The top of described disengaging zone outer wall is provided with overfalling weir 1-10, and described overfalling weir 1-10 is connected with rising pipe; Described Ji Zha district 1-5 is laid with dreg scraper 1-11 and scum silica frost groove 1-12; When waste water overflows from the bottom up, water enters the bottom of flow deflector together with scum silica frost by triangle guide ring, and scum silica frost continues up to enter Ji Zha district 1-5, and water enters catchment area 1-4 by the gap between flow deflector and triangle guide ring; In order to the better effects if of wastewater treatment, described water distribution branch pipe 1-7 is arranged to concentric circles or cross shape, water distribution branch pipe has horizontal radiation water outlet; Further, described aeration plate is the pore type aeration plate being evenly provided with micropore; Due to water, sedimentary density difference, realize being separated under triphase separator effect; In order to discharge the throw out after process, bottom described strengthening air flotation pool, be provided with sediment discharge valve 1-13.
The rising pipe of described strengthening air flotation pool 1 is communicated with the water inlet pipe 2-5 of ozone oxidation coagulative precipitation tank 2.
Described ozone oxidation coagulative precipitation tank 2 comprises aeration mixing zone 2-1 and settling region 2-2, ozonation aerated dish 2-3 is provided with bottom aeration mixing zone, the top of described ozonation aerated dish is provided with water distribution branch pipe 2-4, described water distribution branch pipe 2-4 connects water inlet pipe 2-5, described ozonation aerated dish 2-3 is connected with the blower fan outside ozone oxidation coagulative precipitation tank by aeration tube, blower and pipeline is communicated with ozonizer 2-7; Baffle plate 2-8 is provided with in described settling region, the inwall of this baffle plate and settling tank forms the waste water runner entering settling region as waste water, the exit of settling region is provided with triphase separator 2-9, the outlet top of settling region is provided with overfalling weir 2-10, the tapered structure of settling region bottom design, bottom settling region, be provided with mud valve 2-11, described middle and upper part, aeration mixing zone is provided with liquid add-on system 2-12.
Described baffling filler formula anoxic anaerobic reation pool 3 comprises the double oxygen section 3-2, anoxic section 3-3 and the anaerobism section 3-4 that are separated into by traverse baffle 3-1, described double oxygen section 3-2 head end is provided with the water inlet pipe 3-5 for feeding waste water, oxygen section 3-2 end of holding concurrently is communicated with anoxic section 3-3 head end, anoxic section 3-3 end is communicated with anaerobism section 3-4 head end, the bottom of described anoxic section 3-3 and anaerobism section 3-4 water inlet side traverse baffle is provided with the corner of 45 degree, the shock action produced when entering to avoid current, thus the effect playing buffering current and water distribution uniformity; Anaerobism section 3-4 end is provided with triphase separator 3-6 and overfalling weir 3-7, and overfalling weir 3-7 connects rising pipe; Described double oxygen section 3-2, anoxic section 3-3 and the tapered structure of anaerobism section 3-4 bottom design, pyramidal structure connects mud discharging valve 3-8; The upper cover 3-9 of the double oxygen section of described baffling filler formula anoxic anaerobic reation pool, anoxic section and anaerobism section is designed to conical structure, and conical structure top is all provided with independently methane waste product effuser 3-10; Filler 3-11 is all provided with in described double oxygen section, anoxic section and anaerobism section.
In described aerobic contact oxidation pond 4, middle and lower part is provided with water inlet pipe 4-1, and described water inlet pipe 4-1 bottom is provided with water distribution pyrometric cone 4-2; Described water distribution pyrometric cone 4-2 bottom is provided with aeration regulator control system 4-3, and described aeration regulator control system 4-3 comprises aeration plate, gas blower and dissolved oxygen sensing regulation device; Further, described aeration plate is the pore type aeration plate being evenly provided with micropore.Described aeration plate connects gas blower by aeration tube, gas blower is arranged on outside aerobic contact oxidation pond, top, the waste water underwater in aerobic contact oxidation pond arrange dissolved oxygen sensing regulation device, and described dissolved oxygen sensing regulation device is according to the work of oxygen capacity regulation and control gas blower; Described aerobic contact oxidation pond is built-in with filler 4-4; The exit in described aerobic contact oxidation pond is laid with overflow weir 4-5.
The rising pipe in described aerobic contact oxidation pond 4 connects second pond, and be provided with sludge recirculation system bottom second pond, a part of sludge reflux is in baffling filler formula anoxic anaerobic reation pool 3, and a part is excess sludge.
Water after sedimentation in secondary sedimentation tank process enters decolouring pond and sand filter through overflow weir, qualified discharge after filtering.
Adopt above-mentioned purified cotton Waste Water Treatment to carry out a method for wastewater treatment, there are following steps:
1. purified cotton waste water enters wastewater equalization pond regulating water quality and the water yield by water inlet pipe.
2. then waste water enters the middle and lower part of strengthening air flotation pool disengaging zone by water inlet pipe 1-1; The aeration plate 1-6 be arranged in below strengthening air flotation pool water inlet pipe produces a large amount of tiny bubble makes the solids of waste water produce friction, removes other pollutents on solids; The tiny bubble that aeration plate 1-6 produces and supernatant adhere to and form mixture and rise under buoyancy, under the effect of strengthening air flotation pool triphase separator 1-9, mixture rises to Ji Zha district 1-5, and under the effect of dreg scraper 1-11, scum silica frost enters scum silica frost groove 1-12 and cleaned outward transport; Throw out sinks to the silt particle district 1-2 of strengthening air flotation pool bottom under gravity, is discharged by the sediment discharge valve 1-13 bottom strengthening air flotation pool; Water after separating treatment enters strengthening air flotation pool catchment area 1-4 under the effect of strengthening air flotation pool three-phase separation area flow deflector, is communicated with the water inlet pipe 2-5 of ozone oxidation coagulative precipitation tank by overfalling weir 1-10, rising pipe and pipe connecting.
3. waste water enters the middle and lower part of ozone oxidation coagulative precipitation tank 2 by ozone oxidation coagulative precipitation tank water inlet pipe 2-5 and water distribution branch pipe 2-4; The ozonation aerated dish 2-3 be arranged in below ozone oxidation coagulative precipitation tank water distribution branch pipe produces a large amount of tiny bubble makes the solids of waste water rub further, macromolecular substance in waste water is oxidized to the small-molecule substance being easy to absorb and adsorb simultaneously, enter settling region after waste water after oxygenolysis mixes with coagulating agent, the triphase separator 2-9 of settling region realizes mud-water separation; Mud sinks to the bottom of ozone oxidation coagulative precipitation tank settling region 2-2 under gravity, is discharged by the mud valve 2-11 of bottom; Waste water is communicated with the water inlet pipe 3-5 of baffling filler formula anoxic anaerobic reation pool by overfalling weir 2-10, rising pipe with pipe connecting.
4. waste water enters the bottom of baffling filler formula anoxic anaerobic reation pool 3 by the hold concurrently water inlet pipe 3-5 of oxygen section of baffling filler formula anoxic anaerobic reation pool; Waste water advances up and down along traverse baffle after entering baffling filler formula anoxic anaerobic reation pool, successively by the Sludge Bed of each reaction chamber of hold concurrently oxygen section 3-2, anoxic section 3-3 and anaerobism section 3-4, mud in reaction tank moves along with the upper current downflow of waste water and the effect of biogas rising, the settlement action of the barrier effect of traverse baffle and mud self makes again the flow velocity of mud reduce, therefore a large amount of mud is all trapped within reaction tank, and the microorganism in reaction tank fully contacts with the organism in waste water.Hydrolysis of organic matter in waste water is organic acid by the double amphimicrobe of oxygen section 3-2, the heterotrophic bacterium of anoxic section 3-3 and anaerobism section 3-4, and make larger molecular organics be decomposed into small organic molecule, insoluble organism changes into dissolved organic matter.
5. the waste water after anaerobic reaction realizes the separation of mud, water, methane gas at the triphase separator 3-6 that anaerobism section 3-4 end is provided with, mud sinks to the bottom of baffling filler formula anoxic anaerobic reation pool under gravity, and unnecessary mud is discharged by the mud discharging valve 3-8 of bottom; The methane waste product that baffling filler formula anoxic anaerobic reation pool produces collects discharge by reaction tank top effuser 3-10; Waste water is communicated with the water inlet pipe 4-1 in aerobic contact oxidation pond by overfalling weir, rising pipe with pipe connecting.
6. waste water enters the middle and lower part in aerobic contact oxidation pond 4 by water inlet pipe 4-1, water distribution uniformity under the effect of water distribution pyrometric cone 4-2, described aeration plate produces a large amount of microbubbles, described dissolved oxygen sensing regulation device is according to the work of oxygen capacity regulation and control gas blower, guarantee that the dissolved oxygen in the water of aerobic contact oxidation pond is greater than 2mg/L, the waste water after process is flowed out by overflow weir 4-5 and rising pipe.
7. the rising pipe in aerobic contact oxidation pond connects the water distributor of second pond, and the precipitating sludge part sludge reflux of second pond is in baffling filler formula anoxic anaerobic reation pool 3, and a part is as excess sludge.
8. the water after sedimentation in secondary sedimentation tank process enters decolouring pond and sand filter through overflow weir, qualified discharge after filtering.
9. transport outward after strengthening the excess sludge dehydration of air flotation pool 1, ozone oxidation coagulative precipitation tank 2, baffling filler formula anoxic anaerobic reation pool 3, second pond discharge.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the scope not departing from this invention technological thought.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (1)
1. a purified cotton Waste Water Treatment, is characterized in that: comprise wastewater equalization pond, strengthening air flotation pool (1), ozone oxidation coagulative precipitation tank (2), baffling filler formula anoxic anaerobic reation pool (3), aerobic contact oxidation pond (4), second pond, decolouring pond and sand filter;
Described equalizing tank comprises water inlet pipe and rising pipe, for regulating water quality and the water yield of purified cotton waste water;
Described strengthening air flotation pool (1) comprises water inlet pipe (1-1) and the rising pipe for discharging the rear water of process, and described strengthening air flotation pool is followed successively by silt particle district (1-2), mixing zone (1-3) and disengaging zone from bottom to up; Described disengaging zone comprises catchment area (1-4) and is positioned at Nei Jizha district, catchment area (1-5); Aeration plate (1-6) is provided with between the silt particle district (1-2) of described strengthening air flotation pool and mixing zone (1-3), the top of described aeration plate is provided with water distribution branch pipe (1-7), described water distribution branch pipe connects water inlet pipe (1-1), and described aeration plate (1-6) is connected with the blower fan outside strengthening air flotation pool by aeration tube; Triphase separator (1-9) is provided with in described disengaging zone, described triphase separator (1-9) comprise flow deflector and be positioned at below flow deflector with flow deflector with the use of triangle guide ring, described triangle guide ring is arranged on the inwall of strengthening air flotation pool, the top of described flow deflector is identical with the shape of disengaging zone, the bottom of described flow deflector is horn-like, and the internal diameter of the bottom of described flow deflector is greater than the internal diameter of triangle guide ring; The top of described disengaging zone outer wall is provided with overfalling weir (1-10), and described overfalling weir (1-10) is connected with rising pipe; Described Ji Zhaqu (1-5) is laid with dreg scraper (1-11) and scum silica frost groove (1-12); When waste water overflows from the bottom up, water enters the bottom of flow deflector together with scum silica frost by triangle guide ring, and scum silica frost continues up to enter Ji Zhaqu (1-5), and water enters catchment area (1-4) by the gap between flow deflector and triangle guide ring; In order to the better effects if of wastewater treatment, described water distribution branch pipe (1-7) is arranged to concentric circles or cross shape, water distribution branch pipe has horizontal radiation water outlet; Further, described aeration plate is the pore type aeration plate being evenly provided with micropore; Due to water, sedimentary density difference, realize being separated under triphase separator effect; In order to discharge the throw out after process, bottom described strengthening air flotation pool, be provided with sediment discharge valve (1-13);
Described ozone oxidation coagulative precipitation tank (2) comprises aeration mixing zone (2-1) and settling region (2-2), ozonation aerated dish (2-3) is provided with bottom aeration mixing zone, the top of described ozonation aerated dish is provided with water distribution branch pipe (2-4), described water distribution branch pipe (2-4) connects water inlet pipe (2-5), described ozonation aerated dish (2-3) is connected with the blower fan outside ozone oxidation coagulative precipitation tank by aeration tube, blower and pipeline is communicated with ozonizer (2-7); Baffle plate (2-8) is provided with in described settling region, the inwall of this baffle plate and settling tank forms the waste water runner entering settling region as waste water, the exit of settling region is provided with triphase separator (2-9), the outlet top of settling region is provided with overfalling weir (2-10), the tapered structure of settling region bottom design, bottom settling region, be provided with mud valve (2-11), described middle and upper part, aeration mixing zone is provided with liquid add-on system (2-12);
Described baffling filler formula anoxic anaerobic reation pool (3) comprise be separated into by traverse baffle (3-1) double oxygen section (3-2), anoxic section (3-3) and anaerobism section (3-4), described double oxygen section (3-2) head end is provided with the water inlet pipe (3-5) for feeding waste water, oxygen section (3-2) end of holding concurrently is communicated with anoxic section (3-3) head end, and anoxic section (3-3) end is communicated with anaerobism section (3-4) head end; The bottom of the water inlet side traverse baffle of described anoxic section (3-3) and anaerobism section (3-4) is provided with the corner of 45 degree, the shock action produced when entering to avoid current, thus the effect playing buffering current and water distribution uniformity; Anaerobism section (3-4) end is provided with triphase separator (3-6) and overfalling weir (3-7), and overfalling weir (3-7) connects rising pipe; Described double oxygen section (3-2), anoxic section (3-3) and the tapered structure of anaerobism section (3-4) bottom design, pyramidal structure connects mud discharging valve (3-8); The upper cover (3-9) of the double oxygen section of described baffling filler formula anoxic anaerobic reation pool, anoxic section and anaerobism section is designed to conical structure, conical structure top is all provided with methane waste product effuser (3-10), is all provided with filler (3-11) in described double oxygen section, anoxic section and anaerobism section;
The interior middle and lower part of described aerobic contact oxidation pond (4) is provided with water inlet pipe (4-1), and described water inlet pipe (4-1) bottom is provided with water distribution pyrometric cone (4-2); Described water distribution pyrometric cone (4-2) bottom is provided with aeration regulator control system (4-3), and described aeration regulator control system (4-3) comprises aeration plate, gas blower and dissolved oxygen sensing regulation device; Further, described aeration plate is the pore type aeration plate being evenly provided with micropore; Described aeration plate connects gas blower by aeration tube, gas blower is arranged on outside aerobic contact oxidation pond, top, the waste water underwater in aerobic contact oxidation pond arrange dissolved oxygen sensing regulation device, and described dissolved oxygen sensing regulation device is according to the work of oxygen capacity regulation and control gas blower; Described aerobic contact oxidation pond is built-in with filler (4-4); The exit in described aerobic contact oxidation pond is laid with overflow weir (4-5);
The rising pipe of described aerobic contact oxidation pond (4) connects second pond, and be provided with sludge recirculation system bottom second pond, a part of sludge reflux is to baffling filler formula anoxic anaerobic reation pool (3);
Water after sedimentation in secondary sedimentation tank process enters decolouring pond and sand filter through overflow weir, qualified discharge after filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324377.7A CN105036455A (en) | 2015-06-13 | 2015-06-13 | Refined cotton wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324377.7A CN105036455A (en) | 2015-06-13 | 2015-06-13 | Refined cotton wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105036455A true CN105036455A (en) | 2015-11-11 |
Family
ID=54443505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510324377.7A Pending CN105036455A (en) | 2015-06-13 | 2015-06-13 | Refined cotton wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105036455A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823749A (en) * | 2017-03-18 | 2017-06-13 | 湖北金汉江精制棉有限公司 | A kind of purified cotton cooking black liquor treatment method |
| CN108947147A (en) * | 2018-08-30 | 2018-12-07 | 常州大学 | A kind of DMF advanced waste treatment apparatus |
| CN109133510A (en) * | 2018-09-06 | 2019-01-04 | 常州大学 | High concentration garlic wastewater processing unit |
| CN109133526A (en) * | 2018-09-25 | 2019-01-04 | 常州大学 | A kind of phenol resin production waste water processing unit |
| CN110255696A (en) * | 2019-07-23 | 2019-09-20 | 大连民族大学 | A kind of system using remaining alkali Heat Treatment purified cotton black liquor |
| CN112960847A (en) * | 2021-01-28 | 2021-06-15 | 常州大学 | Integrated wood cooking wastewater treatment device and method |
| CN116655183A (en) * | 2023-07-05 | 2023-08-29 | 贵州大学 | Acid mine wastewater treatment device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100462943B1 (en) * | 2002-10-07 | 2004-12-23 | 주식회사 아이이아이 | The Waste disposal system |
| CN104445836A (en) * | 2014-12-26 | 2015-03-25 | 常州大学 | High-concentration asphalt waste water treatment method and device |
| CN104529092A (en) * | 2015-01-08 | 2015-04-22 | 常州大学 | Acrylic fiber waste water treatment system |
| CN104529090A (en) * | 2015-01-06 | 2015-04-22 | 常州大学 | Paper-making waste water deep processing system |
-
2015
- 2015-06-13 CN CN201510324377.7A patent/CN105036455A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100462943B1 (en) * | 2002-10-07 | 2004-12-23 | 주식회사 아이이아이 | The Waste disposal system |
| CN104445836A (en) * | 2014-12-26 | 2015-03-25 | 常州大学 | High-concentration asphalt waste water treatment method and device |
| CN104529090A (en) * | 2015-01-06 | 2015-04-22 | 常州大学 | Paper-making waste water deep processing system |
| CN104529092A (en) * | 2015-01-08 | 2015-04-22 | 常州大学 | Acrylic fiber waste water treatment system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823749A (en) * | 2017-03-18 | 2017-06-13 | 湖北金汉江精制棉有限公司 | A kind of purified cotton cooking black liquor treatment method |
| CN108947147A (en) * | 2018-08-30 | 2018-12-07 | 常州大学 | A kind of DMF advanced waste treatment apparatus |
| CN109133510A (en) * | 2018-09-06 | 2019-01-04 | 常州大学 | High concentration garlic wastewater processing unit |
| CN109133526A (en) * | 2018-09-25 | 2019-01-04 | 常州大学 | A kind of phenol resin production waste water processing unit |
| CN110255696A (en) * | 2019-07-23 | 2019-09-20 | 大连民族大学 | A kind of system using remaining alkali Heat Treatment purified cotton black liquor |
| CN110255696B (en) * | 2019-07-23 | 2022-05-10 | 大连民族大学 | System for utilize surplus alkali waste heat treatment refined cotton black liquid |
| CN112960847A (en) * | 2021-01-28 | 2021-06-15 | 常州大学 | Integrated wood cooking wastewater treatment device and method |
| CN116655183A (en) * | 2023-07-05 | 2023-08-29 | 贵州大学 | Acid mine wastewater treatment device |
| CN116655183B (en) * | 2023-07-05 | 2024-02-27 | 贵州大学 | Acid mine wastewater treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104529092B (en) | A kind of Nitrilon waste water treatment system | |
| CN104986919A (en) | Wastewater advanced treatment system for corn processing | |
| CN105036455A (en) | Refined cotton wastewater treatment system | |
| CN104773919B (en) | A kind of pharmacy waste water advanced treatment system | |
| CN104743742A (en) | Chemimechanical pulp wastewater treatment system | |
| CN104787966A (en) | System for treating waste water and odor from waste oil recycling and processing | |
| CN104787972B (en) | A kind of coking of coal Waste Water Treatment | |
| CN104743745B (en) | A kind of garlic wastewater advanced treatment system | |
| CN105645681A (en) | Dyeing wastewater advanced treatment device | |
| CN104817234B (en) | High concentration wire drawing lubricant Waste Water Treatment | |
| CN105036469A (en) | Advanced treatment system for dye wastewater | |
| CN104529090A (en) | Paper-making waste water deep processing system | |
| CN105084658A (en) | Waste water treatment system for water-based ink | |
| CN104787970A (en) | Salicylic acid waste water treatment system | |
| CN105130116A (en) | Wheat processing waste water treatment system | |
| CN105036485A (en) | Refuse leachate treatment system | |
| CN109133510A (en) | High concentration garlic wastewater processing unit | |
| CN105110560A (en) | Zero-discharge dyeing wastewater treatment system | |
| CN104817229A (en) | Bamboo product waste water treatment system | |
| CN105152477A (en) | Rice winery wastewater treatment system | |
| CN106630393A (en) | Unattended IFAS or MBBR sewage treatment integrated equipment and system | |
| CN105601041A (en) | Advanced treatment device for oil refining wastewater | |
| CN104671614B (en) | A kind of phosphorous treatment method of printing and dying wastewater and device | |
| CN208949075U (en) | Novel anaerobic reactor | |
| CN104787968B (en) | Chlortetracycline wastewater processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |
|
| WD01 | Invention patent application deemed withdrawn after publication |