CN113896384A - Novel high organic waste water of high salt handles device - Google Patents
Novel high organic waste water of high salt handles device Download PDFInfo
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- CN113896384A CN113896384A CN202111515777.8A CN202111515777A CN113896384A CN 113896384 A CN113896384 A CN 113896384A CN 202111515777 A CN202111515777 A CN 202111515777A CN 113896384 A CN113896384 A CN 113896384A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
- C01D3/06—Preparation by working up brines; seawater or spent lyes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
- C02F5/06—Softening water by precipitation of the hardness using calcium compounds
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Abstract
The invention discloses a novel high-salt and high-organic wastewater treatment device, which comprises a tubular nanofiltration module for pretreating high-salt and high-organic wastewater, wherein a first discharge end of the tubular nanofiltration module is connected with an MVR evaporation module for treating permeate liquid, a first discharge port of the MVR evaporation module is connected with a solid salt separation module for treating concentrated liquid, and a second discharge port of the MVR evaporation module is connected with a first feed port of an A/O module.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a novel high-salinity high-organic wastewater treatment device.
Background
The sewage treatment method comprises the following steps: (1) a physical treatment method. Such as filtration, precipitation. (2) A physical chemical method. Such as a coagulation sedimentation method. (3) A biological treatment method. Microorganisms are used for adsorbing, decomposing and oxidizing organic matters in the sewage, and unstable organic matters are degraded into stable and harmless substances, so that the sewage is purified. The activated sludge process is one of the biological processes.
High salinity wastewater treatment has been a difficult problem in the field of wastewater treatment. The traditional high-salinity wastewater treatment method comprises the following steps: biochemical treatment, membrane treatment, evaporative concentration, etc. However, each method for treating high-salinity wastewater has defects and subsequent problems which are difficult to solve.
And (3) biochemical treatment: high salt-tolerant strains need to be cultured. High salinity wastewater generally causes the bacteria for treating the wastewater to be difficult to survive, and tap water can be added firstly or domestic sewage can be mixed, so that the concentration of the wastewater is diluted. After the concentration is diluted, the salt content of the wastewater is still very high, high-salt-tolerance strains are adopted for treatment, and the high-salt-tolerance strains can be purchased or common strains can be domesticated into the high-salt-tolerance strains, so that the cost is high, and the time and the labor are wasted. And the salt-tolerant concentration of the salt-tolerant strain is not high, so that higher high-salinity wastewater cannot be treated by a biochemical method.
Film treatment method: the membrane treatment process can achieve higher salt rejection, but the membrane life is greatly reduced due to the high salinity. Frequent replacement of the membrane core increases the operating cost, and meanwhile, the membrane can generate strong brine with about 40% of water inflow while generating clear water, so that the subsequent treatment difficulty of the strong brine is very high.
Evaporation concentration method: the evaporation method is the most traditional method for treating high-salinity wastewater, and has high water yield. But the operation cost is very high, and the over-high content of small molecular organic matters in the organic matters can be dissipated into distilled water in the evaporation process, so that the COD and ammonia nitrogen of the distilled water are increased; and also produces a large amount of strong brine. The subsequent treatment of strong brine is more difficult. In the evaporation process of high-salt and high-organic matters, the organic matters can be attached to the surface of the heat exchange tube after being concentrated, the heat exchange efficiency is reduced, the evaporation cannot be normally operated, and the cleaning difficulty of the organic matters is very high after the organic matters are attached to the heat exchange tube.
In order to overcome the problems in the prior art, a high-salinity wastewater treatment system which has the advantages of simple process chain, strong adaptability, stable system operation, low treatment cost, energy conservation and environmental protection and can be used for treating high-salinity wastewater and the concentration and purification of various high-salinity solutions is needed.
Disclosure of Invention
The invention aims to provide a novel high-salinity high-organic wastewater treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel high-salt and high-organic wastewater treatment device comprises a tubular nanofiltration module for pretreating high-salt and high-organic wastewater, wherein a first discharge end of the tubular nanofiltration module is connected with an MVR evaporation module for treating permeate liquid, a first discharge port of the MVR evaporation module is connected with a solid salt separation module for treating concentrated liquid, and a second discharge port of the MVR evaporation module is connected with a first feed port of an A/O module;
a second discharge port of the tubular nanofiltration module is connected with a dosing precipitation module for treating trapped liquid, a first discharge port of the dosing precipitation module is connected with a UASB treatment module, and a first discharge port of the UASB treatment module is connected with a second feed port of the A/O module;
the second discharge port of the dosing and precipitating module is connected with a solid-liquid centrifugal separation module for treating precipitates, the first discharge port of the solid-liquid centrifugal separation module is connected with the second feed port of the UASB treatment module, and the second discharge port of the solid-liquid centrifugal separation module is used for discharging and separating solid sludge;
the discharge end of the A/O module is connected with an MBR (membrane bioreactor) treatment module, a first discharge port of the MBR treatment module is connected with a second feed port of the solid-liquid centrifugal separation module and used for conveying surplus sludge, and a second discharge port of the MBR treatment module is used for discharging treated sewage.
As a further scheme of the invention: the dosing and precipitating module comprises a precipitating box and a plurality of supporting legs arranged at the lower end of the precipitating box, wherein the lower end of each supporting leg is provided with a supporting block, a vertical cylinder penetrates through the middle position of the upper end of the precipitating box, a caching cylinder for storing sewage is arranged in the precipitating box below the vertical cylinder, two sides of the upper end of the caching cylinder are fixedly connected with the inner wall of the precipitating box through positioning rods, the upper end of the vertical cylinder corresponds to a sewage adding port, a diversion channel for conveying sewage is arranged in the vertical cylinder, the vertical cylinder is connected with a rotary driving piece for driving the vertical cylinder to rotate, a buffering medicine box is arranged at the top in the precipitating box and rotatably sleeved outside the vertical cylinder, a left feed inlet of the buffering medicine box is connected with a feed end of a feeding pump through a conveying pipe, a feed end of the feeding pump is connected with a medicine liquid barrel, and a mixing piece for mixing medicine liquid and sewage is arranged outside the lower end of the vertical cylinder, the buffer medicine box is characterized in that a material leakage port is formed in a vertical barrel at the position of the buffer medicine box, each material leakage port is provided with a dosing branch pipe, a guide cone used for blocking water flow is arranged in the vertical barrel above the dosing branch pipes, the outer side of the lower end of the buffer medicine box is provided with a flow guide mechanism used for guiding water flow so that sewage can rotate to generate centrifugal separation, and a feeding part used for conveying sediment is arranged in the middle of the bottom of the settling tank.
As a further scheme of the invention: the feeding part comprises a pumping pump arranged at the bottom of the settling tank, the feeding end of the pumping pump corresponds to the discharge hole at the bottom of the settling tank, and the output end of the pumping pump is provided with a feeding pipe for conveying the settling material.
As a further scheme of the invention: the mixing part comprises a stirring sleeve which is sleeved on the outer side of the vertical cylinder in a sliding manner, a plurality of stirring rods are distributed on the array of the outer side of the stirring sleeve, a connecting rod is symmetrically arranged on two sides of the upper end of each stirring rod, an annular plate which is sleeved on the outer side of the vertical cylinder in a sliding manner is arranged on the upper end of each connecting rod, a rotary limiting part is arranged between each annular plate and the vertical cylinder, the upper end of each annular plate is fixedly connected with a side plate on the outer side of the vertical cylinder through a reset spring, and a polarization part which is used for driving the stirring sleeve to float up and down to improve the stirring effect is arranged inside the settling tank.
As a further scheme of the invention: and a purified water discharge pipe for discharging separated liquid is arranged on the outer side of the settling tank.
As a further scheme of the invention: the polarization piece comprises a plurality of pressing bulges distributed on the lower end surface of the annular plate in an array mode, a plurality of cross rods are distributed on the inner wall of the settling tank in an array mode, a pressing wheel is rotatably arranged at the tail end of each cross rod, and the pressing wheel corresponds to the pressing bulges in position.
As a further scheme of the invention: the water conservancy diversion mechanism includes that a plurality of array distributes at the centrifugal guide board in the buffer memory section of thick bamboo outside, centrifugal guide board is the spiral setting, and the water conservancy diversion face of centrifugal guide board is the arcwall face.
As a further scheme of the invention: an overflow notch is arranged at the upper end opening of the buffer storage cylinder where the centrifugal guide plate is located.
As a further scheme of the invention: the rotary driving part comprises a driven gear arranged on the outer side of the upper end of the vertical barrel, the driven gear is meshed with a driving gear, the driving gear is arranged at the output end of the stirring motor, and the stirring motor is arranged on the upper end face of the settling tank.
Compared with the prior art, the invention has the beneficial effects that: the invention innovatively uses tubular nanofiltration at the front end of water treatment, and performs salt separation of monovalent salt and divalent salt in advance, thereby performing effective pretreatment for subsequent separate treatment and resource utilization. Through the combined use of the salt separation and MVR evaporation of the nanofiltration membrane, monovalent sodium chloride salt in the high-salt high-organic-matter wastewater can be effectively recycled, the resource recovery can generate economic benefits, and the wastewater treatment cost is comprehensively reduced. The salt content in the high-salinity wastewater is effectively reduced by using the combination of the nanofiltration membrane and the softening by adding calcium oxide, so that the biological treatment degree is reached, and a solution is found for the high-salinity high-organic wastewater which cannot be treated originally. Through the combined use of the technologies such as membrane, evaporation, precipitation, biological treatment and the like, the high-salinity and high-organic wastewater which cannot be treated originally can be treated, and the sodium chloride in the wastewater can be effectively recycled.
Drawings
FIG. 1 is a process flow diagram of a novel high-salinity high-organic wastewater treatment device.
FIG. 2 is a schematic structural view of a medicated precipitation module according to the present invention.
FIG. 3 is a partial enlarged view of the structure A in FIG. 2 according to the present invention.
Fig. 4 is a schematic structural diagram of a buffer cylinder according to the present invention.
Wherein: the device comprises a settling tank 11, a stirring rod 12, a stirring sleeve 13, a pressing wheel 14, a medicine feeding branch pipe 15, a buffering medicine box 16, a stirring motor 17, a driving gear 18, a driven gear 19, a vertical barrel 20, a guide cone 21, a return spring 22, a conveying pipe 23, a feeding pump 24, an annular plate 25, a pressing protrusion 26, a centrifugal guide plate 27, a buffering barrel 28, a material pumping pump 29, a feeding pipe 30, a supporting block 31 and supporting legs 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, in an embodiment of the present invention, a novel high-salt and high-organic wastewater treatment apparatus includes a tubular nanofiltration module for pretreating high-salt and high-organic wastewater, a first discharge end of the tubular nanofiltration module is connected to an MVR evaporation module for treating a permeate, a first discharge port of the MVR evaporation module is connected to a solid salt separation module for treating a concentrated solution, and a second discharge port of the MVR evaporation module is connected to a first feed port of an a/O module;
a second discharge port of the tubular nanofiltration module is connected with a dosing precipitation module for treating trapped liquid, a first discharge port of the dosing precipitation module is connected with a UASB treatment module, and a first discharge port of the UASB treatment module is connected with a second feed port of the A/O module;
the second discharge port of the dosing and precipitating module is connected with a solid-liquid centrifugal separation module for treating precipitates, the first discharge port of the solid-liquid centrifugal separation module is connected with the second feed port of the UASB treatment module, and the second discharge port of the solid-liquid centrifugal separation module is used for discharging and separating solid sludge;
the discharge end of the A/O module is connected with an MBR (membrane bioreactor) treatment module, a first discharge hole of the MBR treatment module is connected with a second feed hole of the solid-liquid centrifugal separation module and is used for conveying residual sludge, and a second discharge hole of the MBR treatment module is used for discharging treated sewage;
the invention effectively solves the treatment problem of high-salt high-organic wastewater by the innovative combination of tubular nanofiltration membranes, MVR evaporation, softening precipitation and biological water treatment technologies.
The permeation liquid generated by the tubular nanofiltration membrane can enter the MVR evaporation module to be evaporated due to removal of bivalent ions such as macromolecular organic matters, calcium, magnesium and the like which are easy to scale, and in the evaporation process, the micromolecular organic matters are volatile and exist in distilled water in large quantities, so that COD (chemical oxygen demand) and ammonia nitrogen in the distilled water are still high, and the distilled water still needs to be subjected to biochemical treatment. And monovalent salt is accumulated in the concentrated solution due to evaporation and concentration until the rear end is provided with a separator for separating the monovalent salt, monovalent solid crystal salt is generated, most of the monovalent solid crystal salt is sodium chloride, and the monovalent solid crystal salt can be recycled as an industrial raw material.
The trapped liquid generated by the tubular nanofiltration module is softened by adding medicines into the concentrated liquid containing divalent ions such as sulfate radicals, calcium, magnesium and the like and high molecular organic matters, and calcium oxide is added to remove calcium and magnesium ions in the trapped liquid. Adding the trapped fluid into a sedimentation tank for sedimentation, wherein calcium and magnesium ions are used as calcium carbonate and magnesium hydroxide sediment. The supernatant after precipitation can be subjected to biochemical treatment continuously due to the removal of salt. And centrifugally separating the precipitated product to generate solid sludge.
The supernatant after the drug precipitation still contains a large amount of macromolecular organic matters and needs to enter a UASB treatment module (upflow anaerobic sludge blanket) for anaerobic treatment, and the UASB treatment module can degrade the macromolecular organic matters to shorten molecular chains, so that the subsequent aerobic treatment is easy.
Distilled water generated by evaporation contains micromolecular organic matters, and can be mixed with supernatant after sedimentation processed by the UASB processing module to enter an A/O module (anaerobic-aerobic process method) for processing, and finally, produced water can reach the discharge standard after being filtered by the MBR processing module.
The dosing and precipitating module comprises a precipitating box 11 and a plurality of supporting legs 32 arranged at the lower end of the precipitating box 11, wherein the lower end of each supporting leg 32 is provided with a supporting block 31, a vertical cylinder 20 penetrates through the middle position of the upper end of the precipitating box 11, a buffer cylinder 28 used for storing sewage is arranged in the precipitating box 11 below the vertical cylinder 20, two sides of the upper end of the buffer cylinder 28 are fixedly connected with the inner wall of the precipitating box 11 through positioning rods, the upper end of the vertical cylinder 20 corresponds to a sewage adding port, a diversion channel used for conveying sewage is arranged in the vertical cylinder 20, the vertical cylinder 20 is connected with a rotary driving piece used for driving the vertical cylinder 20 to rotate, a buffer medicine box 16 is arranged at the top in the precipitating box 11, the stirring motor 17 is rotatably sleeved outside the vertical cylinder 20, a left side feeding port of the buffer medicine box 16 is connected with a feeding end of a feeding pump 24 through a conveying pipe 23, and a feeding end of the feeding pump 24 is connected with a medicine liquid barrel, the outer side of the lower end of the vertical barrel 20 is provided with a material mixing part for mixing liquid medicine and sewage, the vertical barrel 20 where the buffer medicine box 16 is located is provided with a material leakage port, each material leakage port is provided with a medicine feeding branch pipe 15, a guide cone 21 for blocking water flow is arranged in the vertical barrel 20 above the medicine feeding branch pipes 15, the liquid medicine enters the buffer medicine box 16 along the conveying pipe 23 under the action of the conveying pipe 23, then the liquid medicine enters the vertical barrel 20 from the medicine feeding branch pipes 15, when the vertical barrel 20 rotates rapidly, the liquid medicine overflowing from the medicine feeding branch pipes 15 can be fused with the sewage in the vertical barrel 20 in an annular shape, so that preliminary mixing is completed, the outer side of the lower end of the buffer barrel 28 is provided with a flow guide mechanism for guiding the water flow to rotate the sewage to generate centrifugal separation, and a material feeding part for conveying sediments is arranged in the middle position of the bottom of the settling tank 11;
the feeding piece comprises a pumping pump 29 arranged at the bottom of the settling tank 11, the feeding end of the pumping pump 29 corresponds to the position of a discharge hole at the bottom of the settling tank 11, and the output end of the pumping pump 29 is provided with a feeding pipe 30 for conveying a sediment material, so that a primary sediment generated after material mixing can be collected at the middle position of the settling tank 11, and the feeding pipe is matched with the conveying of the pumping pump 29, so that the sediment material is conveyed away, and the difficulty of solid-liquid separation at the later stage is reduced;
a purified water discharging pipe for discharging separated liquid is arranged on the outer side of the settling tank 11;
the mixing part comprises a stirring sleeve 13 which is sleeved outside the vertical cylinder 20 in a sliding manner, a plurality of stirring rods 12 are distributed outside the stirring sleeve 13 in an array manner, two sides of the upper end of each stirring rod 12 are symmetrically provided with a connecting rod, the upper end of each connecting rod is provided with an annular plate 25 which is sleeved outside the vertical cylinder 20 in a sliding manner, a rotation limiting part is arranged between each annular plate 25 and the vertical cylinder 20, the upper end of each annular plate 25 is fixedly connected with a side plate outside the vertical cylinder 20 through a return spring 22, and a polarization part for driving the stirring sleeve 13 to float up and down to improve the stirring effect is arranged inside the settling tank 11;
the polarization piece comprises a plurality of pressing protrusions 26 distributed on the lower end face of the annular plate 25 in an array mode, a plurality of cross rods are distributed on the inner wall of the settling tank 11 in an array mode, a pressing wheel 14 is arranged at the tail end of each cross rod in a rotating mode, the pressing wheel 14 corresponds to the pressing protrusions 26 in position, when the annular plate 25 is driven to rotate by the vertical barrel 20, when the pressing protrusions 26 rotate to the pressing wheel 14, the pressing wheel 14 can generate upward acting force on the pressing protrusions 26, the annular plate 25 is pressed to move upwards, the pressing wheel 14 can be pulled to slide upwards, then the stirring sleeve 13 can move downwards under the pushing of the reset spring 22, the material mixing range can be improved, and the mixing effect of liquid medicine and sewage is further improved;
the flow guide mechanism comprises a plurality of centrifugal guide plates 27 distributed outside the buffer cylinder 28 in an array manner, the flow guide plates of the centrifugal guide plates 27 are spirally arranged, and the flow guide surfaces of the centrifugal guide plates 27 are arc surfaces, so that after the mixed sewage slides down along the centrifugal guide plates 27, the sewage is arranged at the bottom in the settling tank 11 to form a vortex structure, thereby being beneficial to centrifugal collection;
an overflow notch is arranged at the upper end opening of the buffer cylinder 28 where the centrifugal guide plate 27 is located, so that water flow is prevented from scattering;
the rotation limiting part comprises a limiting groove which is sleeved on the outer side of the vertical cylinder 20 in a sliding manner, a limiting bulge matched with the limiting groove is arranged on the inner wall of the annular plate 25, and the arrangement of the limiting bulge and the limiting groove limits the pressing wheel 14 to rotate on the vertical cylinder 20;
rotatory driving piece is including setting up the driven gear 19 in the outside of vertical section of thick bamboo 20 upper end, driven gear 19 and drive gear 18 intermeshing, drive gear 18 sets up the output at agitator motor 17, agitator motor 17 sets up at 11 up end of setting tank, drives drive gear 18 through agitator motor 17 and rotates, and drive gear 18 drives vertical section of thick bamboo 20 through driven gear 19 and rotates to mix for liquid medicine and sewage and provide power.
The working principle of the dosing precipitation module is as follows: in practical use, sewage is sent into the settling tank 11 along the vertical barrel 20, in the down-flow process of the sewage, the liquid medicine enters the administration branch pipe 15 along the buffer medicine box 16, and then is primarily mixed with the sewage, and then the primarily mixed sewage is impacted at the middle position of the bottom of the buffer barrel 28 and then is dispersed all around, so as to be further mixed, under the driving of the rotary driving piece, the vertical barrel 20 can rapidly rotate, the vertical barrel 20 drives the stirring rod 12 to circumferentially stir, so as to realize further mixing, when the annular plate 25 is driven to rotate by the vertical barrel 20, when the pressing protrusion 26 rotates to the position of the pressing wheel 14, the pressing wheel 14 can generate an upward acting force on the pressing protrusion 26, so as to press the annular plate 25 to move upward, so that the stirring sleeve 13 can be pulled to slide upward, and then under the pushing of the return spring 22, the stirring sleeve 13 can move downward, so as to improve the mixing range, the mixed effect of liquid medicine and sewage has further been improved, and along with the sewage water level rising in a buffer storage section of thick bamboo 28, sewage can spill over from a buffer storage section of thick bamboo 28 upper end mouth, and the rivers that spill over can guide when leading 27 glides along centrifugal guide, and sewage sets up the vortex structure of formation in settling tank 11 bottom to help the centrifugation to collect, send away the precipitate of intermediate position through the pay-off piece afterwards.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (9)
1. A novel high-salt and high-organic wastewater treatment device comprises a tubular nanofiltration module for pretreating high-salt and high-organic wastewater, wherein a first discharge end of the tubular nanofiltration module is connected with an MVR evaporation module for treating permeate liquid, a first discharge port of the MVR evaporation module is connected with a solid salt separation module for treating concentrated liquid, and a second discharge port of the MVR evaporation module is connected with a first feed port of an A/O module;
the device is characterized in that a second discharge port of the tubular nanofiltration module is connected with a dosing precipitation module for treating trapped liquid, a first discharge port of the dosing precipitation module is connected with a UASB (upflow anaerobic sludge blanket) treatment module, and a first discharge port of the UASB treatment module is connected with a second feed port of the A/O module;
the second discharge port of the dosing precipitation module is connected with a solid-liquid centrifugal separation module for treating precipitates, and the first discharge port of the solid-liquid centrifugal separation module is connected with the second feed port of the UASB treatment module;
the discharge end of the A/O module is connected with the MBR processing module, and a first discharge hole of the MBR processing module is connected with a second feed hole of the solid-liquid centrifugal separation module.
2. The novel high-salinity high-organic wastewater treatment device according to claim 1, wherein the dosing and precipitating module comprises a precipitating tank (11) and a plurality of supporting legs (32) arranged at the lower end of the precipitating tank, a supporting block (31) is arranged at the lower end of each supporting leg (32), a vertical cylinder (20) is arranged at the middle position of the upper end of the precipitating tank (11) in a penetrating manner, a buffer cylinder (28) for storing wastewater is arranged in the precipitating tank (11) below the vertical cylinder (20), two sides of the upper end of the buffer cylinder (28) are fixedly connected with the inner wall of the precipitating tank (11) through positioning rods, the upper end of the vertical cylinder (20) corresponds to a wastewater adding port, a diversion channel for conveying wastewater is arranged in the vertical cylinder (20), the vertical cylinder (20) is connected with a rotary driving member for driving the vertical cylinder (20) to rotate, a buffer medicine box (16) is arranged at the top in the precipitating tank (11), the buffer medicine box (16) is rotatably sleeved outside the vertical cylinder (20), a left feed inlet of the buffer medicine box (16) is connected with a feed end of a feed pump (24) through a conveying pipe (23), the feed end of the feed pump (24) is connected with the liquid medicine barrel, the outer side of the lower end of the vertical barrel (20) is provided with a mixing part for mixing liquid medicine and sewage, a material leakage opening is arranged on a vertical cylinder (20) where the buffer medicine chest (16) is positioned, each material leakage opening is provided with a medicine feeding branch pipe (15), a guide cone (21) for blocking water flow is arranged in the vertical cylinder (20) above the administration branch pipe (15), the outer side of the lower end of the buffer storage cylinder (28) is provided with a flow guide mechanism for guiding water flow to enable sewage to rotate so as to generate centrifugal separation, and a feeding piece for conveying sediments is arranged in the middle of the bottom of the settling tank (11).
3. The novel high-salinity high-organic wastewater treatment device according to claim 2, characterized in that the feeding member comprises a pumping pump (29) arranged at the bottom of the settling tank (11), the feeding end of the pumping pump (29) corresponds to the position of the bottom discharge port of the settling tank (11), and the output end of the pumping pump (29) is provided with a feeding pipe (30) for conveying the settling material.
4. The novel high-salinity high-organic wastewater treatment device according to claim 2, wherein the mixing part comprises a stirring sleeve (13) slidably sleeved on the outer side of the vertical cylinder (20), a plurality of stirring rods (12) are distributed in an array manner on the outer side of the stirring sleeve (13), a connecting rod is symmetrically arranged on two sides of the upper end of each stirring rod (12), an annular plate (25) slidably sleeved on the outer side of the vertical cylinder (20) is arranged on the upper end of each connecting rod, a rotary limiting part is arranged between each annular plate (25) and the vertical cylinder (20), the upper end of each annular plate (25) and a side plate on the outer side of the vertical cylinder (20) are fixedly connected through a return spring (22), and a polarization part for driving the stirring sleeve (13) to float up and down to improve the stirring effect is arranged inside the settling tank (11).
5. The novel high-salinity high-organic wastewater treatment device according to claim 2, characterized in that a purified water discharge pipe for discharging separated liquid is arranged outside the settling tank (11).
6. The novel high-salinity high-organic wastewater treatment device according to claim 4, wherein the polarization member comprises a plurality of pressing protrusions (26) distributed on the lower end surface of the annular plate (25) in an array manner, a plurality of cross bars are distributed on the inner wall of the settling tank (11) in an array manner, the ends of the cross bars are rotatably provided with a pressing wheel (14), and the pressing wheel (14) corresponds to the pressing protrusions (26).
7. The novel high-salinity high-organic wastewater treatment device according to claim 2, wherein the guide mechanism comprises a plurality of centrifugal guide plates (27) distributed outside the buffer storage cylinder (28) in an array manner, the guide plates of the centrifugal guide plates (27) are arranged in a spiral manner, and the guide surfaces of the centrifugal guide plates (27) are arc surfaces.
8. The novel high-salinity high-organic wastewater treatment device according to claim 7, characterized in that an overflow notch is arranged at the upper port of the buffer cylinder (28) where the centrifugal guide plate (27) is located.
9. The novel high-salinity high-organic wastewater treatment device according to claim 2, characterized in that the rotary driving member comprises a driven gear (19) arranged outside the upper end of the vertical cylinder (20), the driven gear (19) is meshed with a driving gear (18), the driving gear (18) is arranged at the output end of the stirring motor (17), and the stirring motor (17) is arranged on the upper end surface of the settling tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515777.8A CN113896384B (en) | 2021-12-13 | 2021-12-13 | High organic effluent treatment plant of high salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515777.8A CN113896384B (en) | 2021-12-13 | 2021-12-13 | High organic effluent treatment plant of high salt |
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