CN117049650A - Industrial wastewater treatment equipment - Google Patents
Industrial wastewater treatment equipment Download PDFInfo
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- CN117049650A CN117049650A CN202311112457.7A CN202311112457A CN117049650A CN 117049650 A CN117049650 A CN 117049650A CN 202311112457 A CN202311112457 A CN 202311112457A CN 117049650 A CN117049650 A CN 117049650A
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- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 30
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 238000007664 blowing Methods 0.000 claims abstract description 56
- 238000000926 separation method Methods 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 30
- 239000002351 wastewater Substances 0.000 claims abstract description 28
- 238000007667 floating Methods 0.000 claims abstract description 24
- 239000010865 sewage Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000004581 coalescence Methods 0.000 claims abstract description 6
- 235000019198 oils Nutrition 0.000 claims description 141
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 14
- 239000004519 grease Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000005119 centrifugation Methods 0.000 claims description 6
- 235000019476 oil-water mixture Nutrition 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses industrial wastewater treatment equipment, which relates to the technical field of wastewater treatment and comprises a treatment cylinder, wherein a water inlet pipe and a water outlet pipe are arranged on the treatment cylinder, and the industrial wastewater treatment equipment further comprises: the centrifugal component is arranged in the treatment cylinder and is used for stirring the wastewater in the treatment cylinder to form vortex; the oil suction assembly is used for sucking and separating an oil layer in the center of the vortex; and the air blowing component is used for blowing air bubbles from the lower part of the sewage, and simultaneously blowing part of the oil sucked by the oil suction component from the lower part of the sewage, so that the blown oil and the air bubbles form a gas-liquid mixture. According to the invention, air is blown in from the lower part of sewage through the air blowing component, and part of oil sucked by the oil sucking component is blown out together, so that a larger gas-liquid mixture is formed, and in the floating process, tiny oil in water is adsorbed by utilizing the phenomenon of coalescence of oil drops, so that larger oil drops are formed, thereby accelerating the floating of suspended small oil, further achieving the effect of accelerating the oil-liquid separation rate of waste water, and improving the working efficiency.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to industrial wastewater treatment equipment.
Background
Among industrial waste water, heavy metal waste water is one of the most serious industrial waste water with the greatest environmental pollution and the greatest harm to human beings, and the heavy metal in the treated water is lower than the emission standard to be discharged or recycled.
In the traditional oil-water separation process, the gravity method is mainly adopted for separation, namely, the waste water is kept still, so that oil in the waste water floats to the water surface, the oil-water is layered and is convenient to separate, but the mode gradually cannot meet the treatment requirements of modern industry due to the defects of low separation speed, large equipment volume and the like.
Therefore, chinese patent publication No. CN116216846B discloses an oil-water separator for purifying industrial wastewater, which adopts an automatic oil suction and continuous positive pressure oil discharge mode, so that the oil in the separation tank can be conveniently discharged in time, the oil in the wastewater and on the water surface can be adsorbed by the rotation of the annular oil suction film and carried with the rotation of the oil, and when the oil rotates to a plurality of oil suction hole positions at the bottom of the oil collection tank, the adhered oil is sucked out, thereby achieving the purpose of oil-water separation;
however, due to the limitation of the range of the annular oil-absorbing film, grease in the sewage at the edge can not be absorbed in time, or the sewage needs to float up to the water surface by utilizing the buoyancy effect, and the floating speed of small grease suspended in the sewage is slower, so that the integral separation speed is influenced.
Disclosure of Invention
The invention aims to provide industrial wastewater treatment equipment which has the effects of accelerating the floating of suspended small grease, further accelerating the wastewater oil-liquid separation rate and improving the working efficiency, and solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the industrial wastewater treatment equipment comprises a treatment cylinder, wherein a water inlet pipe and a water outlet pipe are arranged on the treatment cylinder, and the industrial wastewater treatment equipment further comprises:
the centrifugal component is arranged in the treatment cylinder and is used for stirring the wastewater in the treatment cylinder to form vortex;
the oil suction assembly is used for sucking and separating an oil layer in the center of the vortex;
and the air blowing component is used for blowing air bubbles from the lower part of the sewage, and simultaneously blowing part of the oil sucked by the oil suction component from the lower part of the sewage, so that the blown oil and the air bubbles form a gas-liquid mixture.
Preferably, the centrifugal component comprises a vertical rod which is arranged at the inner top of the treatment cylinder and can rotate, a stirring rod is integrally formed at the bottom end of the vertical rod, and the vertical rod and the treatment cylinder are coaxially arranged.
Preferably, the oil suction assembly comprises a round drum fixed at the top of the treatment cylinder, the round drum and the treatment cylinder are eccentrically arranged, the top end of the vertical rod penetrates into the round drum and is fixedly provided with an exchange box, the top of the exchange box is fixedly provided with a rotating shaft coaxially arranged with the vertical rod, the top of the round drum is provided with a motor for driving the rotating shaft to rotate, the inner wall of the exchange box is provided with a piston block capable of sliding reciprocally, the outer wall of one side of the exchange box is provided with a liquid outlet capable of enabling liquid to be extruded out of the exchange box unidirectionally, the inside of the vertical rod is provided with an oil suction channel, the oil suction channel is communicated with the piston block, an inlet of the oil suction channel is formed in the outer wall of the vertical rod close to the top end and is positioned below the central liquid level of the vortex, and the oil suction channel is internally provided with a one-way valve for enabling liquid to be sucked into the exchange box unidirectionally;
an annular groove is formed in the connecting surface of the round drum and the treatment cylinder, and a filter layer for filtering oil is arranged in the annular groove.
Preferably, the air blowing component comprises an air blowing channel arranged in the vertical rod, the air blowing channel extends into the stirring rod, a plurality of air nozzles communicated with the air blowing channel are arranged at the top of the stirring rod, a one-way valve which only enables air or liquid to flow in one way into the stirring rod is arranged in the air blowing channel, and an air inlet which enables air in the circular drum to be sucked into the exchange box in one way is arranged on the outer wall of the exchange box far away from the liquid outlet;
the internal portion that the montant is close to the exchange box has seted up the circular slot, and the circular slot internal rotation is installed and is switched the wheel, switch the passageway has been seted up along the diameter direction to the inside of switching the wheel, works as the piston piece slides when switching the wheel, can drive the switching wheel and rotate, makes oil absorption passageway or the inside intercommunication of gas blowing passageway and exchange box.
Preferably, cheng Tuopan is fixed on the outer wall of the vertical rod, the top surface of Cheng Tuopan is concave, an oil suction passage is formed in the top of Cheng Tuopan, the oil suction passage is communicated with the oil suction passage, and when water in the treatment cylinder is in a vortex shape, the liquid level in the center of the vortex is submerged by Cheng Tuopan.
Preferably, the center of the piston block is provided with a through hole which is horizontally arranged, a sliding rod is fixed in the through hole, two ends of the sliding rod respectively penetrate out of two side walls of the exchange box, a roller is rotatably arranged at the two ends of the sliding rod, when the exchange box rotates, the roller is contacted with or separated from the inner wall of the circular drum, a cleaning brush is coaxially fixed below the roller, and the cleaning brush is contacted with the filter layer.
Preferably, the filter layer is composed of an activated carbon layer and a filter membrane, and the activated carbon layer is powdery activated carbon.
Preferably, still include detection component, detection component includes vertical slidable mounting at the cover dish of montant outer wall, just the cover dish is located Cheng Tuo dish's top, the bottom surface of cover dish is established to the protrusion form, and with Cheng Tuopan's top concave surface looks adaptation, the whistle hole has been seted up to the inside of cover dish, and whistle hole is corresponding with the export of oil absorption passageway, the both sides of cover dish are all fixed with the kicking block that extends to vortex edge through the dead lever.
Preferably, the device further comprises a detection assembly, wherein the detection assembly comprises an annular lamp arranged at the inner top of the treatment cylinder, and an image collector is further arranged at the inner top of the treatment cylinder.
A wastewater treatment method using the industrial wastewater treatment apparatus, comprising the steps of:
s1, after industrial wastewater is injected into a treatment cylinder from a water inlet pipe, the water inlet pipe is sealed;
s2, starting a motor at the top of the drum, driving the exchange box and the vertical rod to rotate together by the motor through a rotating shaft, stirring the wastewater in the treatment cylinder under stirring of the stirring rod, and increasing the separation effect caused by the difference of oil-water density under the action of centrifugation, thereby facilitating the acceleration of oil-water separation;
s3, when the exchange box rotates, the piston block also slides reciprocally in the exchange box under the drive of an external mechanism, and when the piston block slides in the direction away from the liquid outlet, the piston block drives the switching wheel to rotate, so that the switching channel is communicated with the oil suction channel, the oil-water mixed liquid in the center of the vortex is sucked through the oil suction channel by utilizing negative pressure generated in the exchange box, then the mixed liquid in the exchange box is extruded into the drum through the liquid outlet when the piston block slides in a resetting way, so that the oil is filtered out through the filter layer, and water flows into the treatment cylinder again, so that the oil suction process and the oil-water separation process are completed;
s4, sucking air from the other side of the exchange box through an air inlet while resetting and sliding the piston block, and when the piston block drives the switching wheel to rotate so that the switching channel is communicated with the blowing channel, extruding the air in the exchange box into the stirring rod from the blowing channel and spraying the air from the air spraying port when the piston block moves reversely again, simultaneously extruding the residual oil-water mixed liquid in the switching channel from the air spraying port together, mixing the extruded air with oil drops to form a larger gas-liquid mixture, and adsorbing tiny oil in water by utilizing the phenomenon of coalescence of the oil drops in the process of floating to form larger oil drops, thereby accelerating the floating of the suspended oil and completing the air blowing process;
s5, continuously sliding the piston block in the exchange box in a reciprocating manner, so that the oil suction process and the air blowing process are continuously and alternately performed until the oil on the surface of the wastewater is completely sucked out, and the oil is not remained in the switching channel, so that the oil separation process is completed.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, air is blown in from the lower part of sewage through the air blowing component, and part of oil sucked by the oil sucking component is blown out together, so that a larger gas-liquid mixture is formed, and in the floating process, tiny oil in water is adsorbed by utilizing the phenomenon of coalescence of oil drops, so that larger oil drops are formed, thereby accelerating the floating of suspended small oil, further achieving the effect of accelerating the oil-liquid separation rate of waste water, and improving the working efficiency.
Drawings
FIG. 1 is a front view of a treatment canister according to the present invention;
FIG. 2 is a schematic perspective view of a treatment canister according to the present invention;
FIG. 3 is a front cross-sectional view and a partial enlarged view of the treatment canister of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 in accordance with the present invention;
FIG. 5 is a cut-away perspective view and partial enlarged view of the view of FIG. 3 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;
FIG. 8 is a partial cross-sectional view of a sensing assembly according to a second embodiment of the present invention;
fig. 9 is a cross-sectional view taken along line C-C of fig. 8 in accordance with the present invention.
In the figure: 1. a treatment cylinder; 2. a water inlet pipe; 3. a water outlet pipe; 4. a round drum; 5. a rotating shaft; 6. a switching box; 7. a piston block; 8. a slide bar; 9. a vertical rod; 10. a switching wheel; 11. switching channels; 12. an oil suction passage; 13. a blowing channel; 14. a stirring rod; 15. an air jet; 16. a liquid outlet; 17. an air inlet; 18. a roller; 19. a cleaning brush; 20. an activated carbon layer; 21. a filtering membrane; 22. a filter screen; 23. cheng Tuopan; 24. an oil suction passage; 25. a cover plate; 26. a fixed rod; 27. a floating block; 28. a ring lamp; 29. an image collector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one;
referring to fig. 1 to 7, the present invention provides a technical solution: the industrial wastewater treatment equipment comprises a treatment cylinder 1, wherein a water inlet pipe 2 and a water outlet pipe 3 are arranged on the treatment cylinder 1, and the industrial wastewater treatment equipment further comprises:
a centrifugal component arranged in the treatment cylinder 1 and used for stirring the wastewater in the treatment cylinder 1 to form vortex;
the oil suction assembly is used for sucking and separating an oil layer in the center of the vortex;
and the air blowing component is used for blowing air bubbles from the lower part of the sewage, and simultaneously blowing part of the oil sucked by the oil suction component from the lower part of the sewage, so that the blown oil and the air bubbles form a gas-liquid mixture.
When the treatment equipment is used, after industrial wastewater is injected into the treatment cylinder 1 from the water inlet pipe 2, the water inlet pipe 2 is sealed, and then the wastewater in the treatment cylinder 1 is stirred by using the centrifugal component to form a vortex shape with high edge and low center, and the separation effect caused by the difference of oil-water density is increased under the action of centrifugation, so that the oil-water separation is conveniently accelerated, and the floating oil on the surface can gather towards the middle due to the low center, and the oil layer in the center of the vortex is sucked out by using the oil suction component so as to achieve the purpose of oil-water separation;
in order to further accelerate the floating of the suspended small grease in the sewage, air is blown in from the lower part of the sewage through the air blowing component, and meanwhile, part of the oil sucked out by the oil sucking component is blown out together, so that a larger gas-liquid mixture is formed, and in the floating process, the tiny grease in the water is adsorbed by utilizing the phenomenon that oil drops gather to form larger oil drops, so that the floating of the suspended small grease is accelerated, the effect of accelerating the oil-liquid separation rate of the waste water is achieved, and the working efficiency is improved.
In one of the preferred embodiments, the centrifugal assembly comprises a vertical rod 9 which is mounted at the inner top of the treatment cylinder 1 and can rotate, a stirring rod 14 is integrally formed at the bottom end of the vertical rod 9, and the vertical rod 9 and the treatment cylinder 1 are coaxially arranged.
The centrifugal component adopts a mode that the central vertical rod 9 rotates to drive the stirring rod 14 to rotate to stir, so that the contact surface between the centrifugal component and liquid level grease can be reduced as much as possible, and excessive grease is prevented from being attached to the centrifugal component in the centrifugal process.
In one preferred embodiment, the oil absorbing assembly comprises a round drum 4 fixed at the top of the treatment cylinder 1, wherein the round drum 4 and the treatment cylinder 1 are eccentrically arranged, the top end of a vertical rod 9 penetrates into the round drum 4 and is fixedly provided with an exchange box 6, the top of the exchange box 6 is fixedly provided with a rotating shaft 5 coaxially arranged with the vertical rod 9, the top of the round drum 4 is provided with a motor for driving the rotating shaft 5 to rotate, the inner wall of the exchange box 6 is provided with a piston block 7 capable of sliding back and forth, the outer wall of one side of the exchange box 6 is provided with a liquid outlet 16 capable of enabling liquid to be extruded out of the exchange box 6 in one direction, the inner part of the vertical rod 9 is provided with an oil absorbing channel 12, the oil absorbing channel 12 is communicated with the piston block 7, the inlet of the oil absorbing channel 12 is formed in the outer wall of the vertical rod 9 close to the top end and is positioned below the central liquid level of the vortex, and a one-way valve for enabling liquid to be sucked into the exchange box 6 in one direction is arranged in the oil absorbing channel 12;
the connection surface of the round drum 4 and the treatment cylinder 1 is provided with an annular groove, and a filter layer for filtering oil is arranged in the annular groove.
The oil absorption assembly can be specifically seen in fig. 3 and 4, when in centrifugation, a motor at the top of the circular drum 4 drives the exchange box 6 and the vertical rod 9 to rotate together through the rotating shaft 5, and the purpose of sewage centrifugation is achieved under the stirring of the stirring rod 14;
meanwhile, when the exchange box 6 rotates, the piston block 7 is driven by an external mechanism to slide back and forth in the exchange box 6, negative pressure generated in the exchange box 6 sucks oil-water mixed liquid in the center of a vortex through the oil suction channel 12 when the piston block slides in a direction away from the liquid outlet 16, then the mixed liquid in the exchange box 6 is extruded into the drum 4 through the liquid outlet 16 when the piston block 7 slides in a resetting manner, so that oil is filtered out through a filter layer, water flows into the treatment cylinder 1 again, the oil suction process and the oil-water separation process are completed, and the filtration of oil-water separation is accelerated;
and along with the oil liquid in the center of the vortex is extracted, the oil liquid on the top surface of the vortex can gradually transfer to the center, so that the oil-water mixed liquid can be conveniently extracted again.
In one preferred embodiment, the air blowing component comprises an air blowing channel 13 arranged in the vertical rod 9, the air blowing channel 13 extends into the stirring rod 14, a plurality of air nozzles 15 communicated with the air blowing channel 13 are arranged at the top of the stirring rod 14, a one-way valve which can only enable air or liquid to flow unidirectionally into the stirring rod 14 is arranged in the air blowing channel 13, and an air inlet 17 which can enable air in the round drum 4 to be unidirectionally sucked into the exchange box 6 is arranged on the outer wall of the exchange box 6 far away from the liquid outlet 16;
the inside that montant 9 is close to exchange box 6 has offered the circular slot, and the circular slot internal rotation is installed and is switched the wheel 10, and switching wheel 10's inside has been offered along the diameter direction and has been switched passageway 11, and when piston piece 7 slides through switching wheel 10, can drive switching wheel 10 and rotate, makes oil absorption passageway 12 or air blowing passageway 13 and exchange box 6's inside intercommunication.
The air blowing component can specifically refer to fig. 3 and 4, in the process of reciprocating sliding of the piston block 7, when the piston block 7 slides in a direction away from the liquid outlet 16, the piston block 7 contacts and drives the switching wheel 10 to rotate, so that the switching channel 11 is communicated with the oil suction channel 12, and the oil suction process is completed;
when the piston block 7 slides in the direction approaching to the liquid outlet 16, the piston block 7 contacts again and drives the switching wheel 10 to rotate, the switching channel 11 is communicated with the blowing channel 13, meanwhile, air in the round drum 4 is sucked into the exchange box 6 from the air inlet 17, and when the piston block 7 slides in the direction far away from the liquid outlet 16 again, before the piston block 7 drives the switching wheel 10 to rotate, part of air in the exchange box 6 is extruded into the blowing channel 13 by the piston block 7, and is extruded from the air nozzle 15 at the top of the stirring rod 14, so that the air blowing process is completed;
it is noted that, since the oil-water mixture in the oil absorption process remains in the switching channel 11, after the switching wheel 10 rotates and switches, the oil-water mixture remaining in the switching wheel enters the air blowing channel 13 and is extruded from the air nozzle 15 together with the air blowing, and when the air blowing is performed, the oil and the air form the gas-liquid mixture, and in the floating process, the tiny oil in the water is absorbed by utilizing the coalescence of the oil drops to form larger oil drops, so that the floating of the suspended oil is accelerated, and the separation rate of the oil and the water is accelerated;
as can be seen from the foregoing, the oil-water mixture sucked into the drum 4 needs to be filtered by the filter layer, and the filtering speed is relatively slow relative to the extracting speed, so that the liquid level of the oil-water mixture in the treatment cylinder 1 is reduced after a period of time of extraction, and the oil floating on the waste water is also predicted to be completely extracted until the inlet of the oil suction channel 12 is exposed above the liquid level, at this time, the oil suction channel 12 cannot continuously suck the waste water again, and the waste water is not remained in the switching channel 11, so that the oil-water separation process of the waste water is completed.
In one preferred embodiment, cheng Tuopan is fixed on the outer wall of the vertical rod 9, the top surface of the tray 23 is concave, the oil suction passage 24 is formed at the top of the Cheng Tuo tray 23, and the oil suction passage 24 is communicated with the oil suction passage 12, when the water in the treatment cylinder 1 is in a vortex shape, the liquid level in the center of the vortex submerges Cheng Tuopan 23.
In order to further ensure that the floating oil is sucked in the oil suction process, the Cheng Tuopan is arranged, so that the oil in the center of the vortex can be positioned in the concave surface at the top of Cheng Tuopan, and meanwhile, the oil suction passage 24 arranged upwards is also convenient for extracting the oil-water mixture in the concave surface.
In one of the preferred embodiments, a driving mode of reciprocating sliding of the piston block 7 in the exchange box 6 is provided, and specific reference can be made to fig. 6-7;
the center of the piston block 7 is provided with a through hole which is horizontally arranged, a sliding rod 8 is fixed in the through hole, two ends of the sliding rod 8 respectively penetrate out of two side walls of the exchange box 6, a roller 18 is rotatably arranged, when the exchange box 6 rotates, the roller 18 is contacted with or separated from the inner wall of the round drum 4, a cleaning brush 19 is coaxially fixed below the roller 18, and the cleaning brush 19 is contacted with the filter layer.
When the exchange box 6 rotates, the sliding rod 8 is driven to rotate together, the rollers 18 at the two ends of the sliding rod 8 roll along the inner wall of the round drum 4, and the vertical rods 9 and the round drum 4 are eccentrically arranged, so that the sliding rod 8 drives the piston block 7 to reciprocate in the exchange box 6 along with the rotation of the exchange box 6, and the oil absorption process and the air blowing process are achieved.
When the roller 18 contacts with the inner wall of the drum 4 and rolls, the roller drives the coaxially fixed cleaning brush 19 to rotate together, and the surface of the filter layer is scratched to reduce the blocking degree of the filter layer.
In one of the preferred embodiments, the filter layer is composed of an activated carbon layer 20 and a filter membrane 21, and the activated carbon layer 20 is powdered activated carbon.
The oil and water can be separated through the filtering membrane 21, and meanwhile, the powdery activated carbon can also adsorb some tiny impurities and peculiar smell in the sewage.
In one of the preferred embodiments, the device further comprises a detection assembly, the detection assembly comprises a cover plate 25 vertically and slidably mounted on the outer wall of the vertical rod 9, the cover plate 25 is located above the Cheng Tuo plate 23, the bottom surface of the cover plate 25 is arranged to be convex and is matched with the concave surface of the top of the Cheng Tuo plate 23, whistle holes are formed in the cover plate 25 and correspond to the outlet of the oil suction passage 24, and floating blocks 27 extending to the vortex edge are fixed on two sides of the cover plate 25 through fixing rods 26.
By arranging the detection assembly, the separation process of the floating oil can be monitored, in particular, the residual amount of the waste water is estimated, as can be known from the prior art, in the oil absorption process of the waste water, the filtering speed is smaller than the pumping speed, so that the waste water in the treatment cylinder 1 gradually decreases to reduce the liquid level, the floating block 27 drives the cover plate 25 to move downwards along with the reduction of the liquid level through the fixed rod 26 until the cover plate 25 is attached to the concave surface at the top of the Cheng Tuo plate 23, the extracted amount of the waste water in the treatment cylinder 1 reaches a preset value at the moment, the separation degree of the oil water is estimated, and when the cover plate 25 is attached to the Cheng Tuopan, the air in the treatment cylinder 1 is sucked from the whistle hole when the oil absorption channel 12 is pumped again, thereby generating a warning whistle, further reminding workers of the progress of the separation process, and the oil-water separation degree can be estimated and detected through the amount of the waste water in the treatment cylinder 1, so that the detection effect is achieved.
Embodiment two is substantially the same as embodiment one, except that a second detection assembly embodiment is provided, as shown in fig. 8-9;
also included is a detection assembly comprising a ring light 28 mounted on the inside top of the treatment canister 1, and an image collector 29 is also mounted on the inside top of the treatment canister 1.
Since the oil stains float on the waste water and reflect different colors or shadow portions under the irradiation of light, the separation degree of the oil and water can be more intuitively detected by the irradiation of the ring light 28 and the image capturing of the image collector 29.
In one of the preferred embodiments, the inner walls of the switching channel 11, the oil suction channel 12 and the air blowing channel 13 are provided with oleophobic layers.
The oil-repellent layer can reduce the residue of oil stains, and can be arranged in the exchange box 6 and on the surfaces of other structures contacted with oil water.
In one of the preferred embodiments, the inner wall of the treatment canister 1 is also provided with a filter screen 22 for filtering the contaminated water.
Because air is blown into the sewage in the air blowing process, and oxygen in the air is easy to react with heavy metal ions in the sewage to produce sediment, the sediment can be primarily filtered by the filter screen 22 when the sewage is discharged out of the treatment cylinder 1.
A wastewater treatment method using an industrial wastewater treatment facility, comprising the steps of:
s1, after industrial wastewater is injected into a treatment cylinder 1 from a water inlet pipe 2, the water inlet pipe 2 is sealed;
s2, starting a motor at the top of the drum 4, driving the exchange box 6 and the vertical rod 9 to rotate together by the motor through the rotating shaft 5, stirring the wastewater in the treatment cylinder 1 under the stirring of the stirring rod 14, and increasing the separation effect caused by the difference of oil-water density under the action of centrifugation, thereby facilitating the acceleration of oil-water separation;
s3, when the exchange box 6 rotates, the piston block 7 also slides reciprocally in the exchange box 6 under the drive of an external mechanism, and when the piston block 7 slides in a direction away from the liquid outlet 16, the piston block 7 drives the switching wheel 10 to rotate, so that the switching channel 11 is communicated with the oil suction channel 12, oil-water mixed liquid at the center of a vortex is sucked through the oil suction channel 12 by utilizing negative pressure generated in the exchange box 6, then when the piston block 7 slides in a resetting manner, the mixed liquid in the exchange box 6 is extruded into the circular drum 4 through the liquid outlet 16, oil is filtered out through the filter layer, and water flows into the treatment cylinder 1 again, so that the oil suction process and the oil-water separation process are completed;
s4, sucking air from the other side of the exchange box 6 through an air inlet 17 while resetting and sliding the piston block 7, and driving the switching wheel 10 to rotate by the piston block 7, so that after the switching channel 11 is communicated with the blowing channel 13, extruding the air in the exchange box 6 into the stirring rod 14 from the blowing channel 13 and spraying out from the air spraying port 15 when the piston block 7 moves reversely again, simultaneously extruding the oil-water mixed liquid remained in the switching channel 11 from the air spraying port 15 together, mixing the extruded air with oil drops to form a larger air-liquid mixture, and adsorbing tiny grease in water by utilizing the phenomenon of coalescence of the oil drops in the floating process to form larger oil drops, thereby accelerating the floating of the suspended grease and finishing the air blowing process;
s5, along with the continuous reciprocating sliding of the piston block 7 in the exchange box 6, the oil suction process and the air blowing process are continuously and alternately carried out until the oil on the surface of the wastewater is completely sucked out, and the oil is not remained in the switching channel 11, so that the oil separation process is completed.
The standard components used in the present embodiment may be purchased directly from the market, and the nonstandard structural components according to the descriptions of the specification and the drawings may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that the specific description will not be made here.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The industrial wastewater treatment equipment comprises a treatment cylinder (1), wherein a water inlet pipe (2) and a water outlet pipe (3) are arranged on the treatment cylinder (1), and the industrial wastewater treatment equipment is characterized by further comprising:
a centrifugal component arranged in the treatment cylinder (1) and used for stirring the wastewater in the treatment cylinder (1) to form a vortex;
the oil suction assembly is used for sucking and separating an oil layer in the center of the vortex;
and the air blowing component is used for blowing air bubbles from the lower part of the sewage, and simultaneously blowing part of the oil sucked by the oil suction component from the lower part of the sewage, so that the blown oil and the air bubbles form a gas-liquid mixture.
2. The industrial wastewater treatment apparatus according to claim 1, wherein: the centrifugal component comprises a vertical rod (9) which is arranged at the inner top of the treatment cylinder (1) and can rotate, a stirring rod (14) is integrally formed at the bottom end of the vertical rod (9), and the vertical rod (9) and the treatment cylinder (1) are coaxially arranged.
3. An industrial wastewater treatment plant according to claim 2, characterized in that: the oil suction assembly comprises a round drum (4) fixed at the top of a treatment cylinder (1), the round drum (4) and the treatment cylinder (1) are eccentrically arranged, the top end of a vertical rod (9) penetrates into the round drum (4) and is fixedly provided with an exchange box (6), a rotating shaft (5) coaxially arranged with the vertical rod (9) is fixedly arranged at the top of the exchange box (6), a motor for driving the rotating shaft (5) to rotate is arranged at the top of the round drum (4), a piston block (7) capable of sliding back and forth is arranged on the inner wall of the exchange box (6), a liquid outlet (16) capable of enabling liquid to be extruded out of the exchange box (6) in a unidirectional mode is formed in the outer wall of one side of the exchange box (6), an oil suction channel (12) is formed in the inner side of the vertical rod (9), the oil suction channel (12) is communicated with the piston block (7), an inlet opening is formed in the outer wall of the vertical rod (9) close to the top end and is located below the central liquid level, and a one-way valve capable of enabling liquid to be sucked into the exchange box (6) in a unidirectional mode is arranged in the oil suction channel (12).
An annular groove is formed in the connecting surface of the round drum (4) and the treatment cylinder (1), and a filter layer for filtering oil is arranged in the annular groove.
4. An industrial wastewater treatment plant according to claim 3, characterized in that: the air blowing assembly comprises an air blowing channel (13) arranged in a vertical rod (9), the air blowing channel (13) extends into a stirring rod (14), a plurality of air nozzles (15) communicated with the air blowing channel (13) are formed in the top of the stirring rod (14), a one-way valve which can only enable air or liquid to flow in one way into the stirring rod (14) is arranged in the air blowing channel (13), and an air inlet (17) which can enable air in the round drum (4) to be sucked in one way into the exchange box (6) is formed in the outer wall of the exchange box (6) far away from a liquid outlet (16);
the inside that montant (9) are close to exchange case (6) has seted up the circular slot, and the circular slot internal rotation is installed and is switched round (10), switch passageway (11) have been seted up along the diameter direction to the inside of switching round (10), works as piston piece (7) slip is through switching round (10), can drive switching round (10) rotation, makes oil absorption passageway (12) or the inside intercommunication of blowing passageway (13) and exchange case (6).
5. An industrial wastewater treatment plant according to claim 3, characterized in that: the outer wall of the vertical rod (9) is fixedly provided with a Cheng Tuopan (23), the top surface of the Cheng Tuopan (23) is provided with an inward concave shape, the top of the Cheng Tuopan (23) is provided with an oil suction passage (24), the oil suction passage (24) is communicated with the oil suction passage (12), and when water in the treatment cylinder (1) is in a vortex shape, the liquid level in the center of the vortex is submerged with the Cheng Tuopan (23).
6. An industrial wastewater treatment plant according to claim 3, characterized in that: the center of piston piece (7) has seted up the through-hole that the level set up, and the through-hole internal fixation has slide bar (8), the both ends of slide bar (8) are worn out from the both sides wall of trading box (6) respectively, and rotate and install gyro wheel (18), works as when trading box (6) rotate, gyro wheel (18) contact or break away from with the inner wall of drum (4), the below of gyro wheel (18) still coaxial fixed with cleaning brush (19), just cleaning brush (19) contact with the filter layer.
7. An industrial wastewater treatment plant according to claim 3, characterized in that: the filter layer consists of an active carbon layer (20) and a filter membrane (21), and the active carbon layer (20) adopts powdery active carbon.
8. An industrial wastewater treatment plant according to claim 3, characterized in that: still include detection component, detection component includes vertical slidable mounting at covering disk (25) of montant (9) outer wall, just covering disk (25) are located the top of Cheng Tuopan (23), the bottom surface of covering disk (25) is established to the protrusion form, and with the top concave surface looks adaptation of Cheng Tuopan (23), whistle hole has been seted up to the inside of covering disk (25), and whistle hole is corresponding with the export of oil absorption passageway (24), both sides of covering disk (25) are all fixed with through dead lever (26) and extend to vortex edge's kicking block (27).
9. An industrial wastewater treatment plant according to claim 3, characterized in that: the device also comprises a detection assembly, wherein the detection assembly comprises an annular lamp (28) arranged at the inner top of the processing barrel (1), and an image collector (29) is further arranged at the inner top of the processing barrel (1).
10. A wastewater treatment method using the industrial wastewater treatment apparatus according to any one of claims 4 to 9, characterized in that: the method comprises the following steps:
s1, after industrial wastewater is injected into a treatment cylinder (1) from a water inlet pipe (2), the water inlet pipe (2) is sealed;
s2, starting a motor at the top of the drum (4), driving the exchange box (6) and the vertical rod (9) to rotate together by the motor through the rotating shaft (5), stirring the wastewater in the treatment cylinder (1) under the stirring of the stirring rod (14) and forming a vortex shape with high edge and low center, and increasing the separation effect caused by the difference of oil-water density under the action of centrifugation, so that the oil-water separation is conveniently accelerated;
s3, when the exchange box (6) rotates, the piston block (7) is driven by an external mechanism to slide back and forth in the exchange box (6), and when the piston block slides in a direction away from the liquid outlet (16), the piston block (7) drives the switching wheel (10) to rotate, so that the switching channel (11) is communicated with the oil suction channel (12), oil-water mixed liquid at the center of a vortex is sucked through the oil suction channel (12) by utilizing negative pressure generated in the exchange box (6), and then when the piston block (7) slides in a resetting mode, the mixed liquid in the exchange box (6) is extruded into the drum (4) through the liquid outlet (16), oil is filtered out through the filter layer, and water flows into the treatment cylinder (1) again to finish the oil suction process and the oil-water separation process;
s4, sucking air from the other side of the exchange box (6) through an air inlet (17) while resetting and sliding the piston block (7), and driving the switching wheel (10) to rotate by the piston block (7), so that when the piston block (7) moves reversely again after the switching channel (11) is communicated with the air blowing channel (13), extruding the air in the exchange box (6) into the stirring rod (14) from the air blowing channel (13) and spraying the air from the air spraying opening (15), simultaneously extruding the residual oil-water mixture in the switching channel (11) from the air spraying opening (15) together, mixing the extruded air with oil drops to form a larger air-liquid mixture, and adsorbing tiny grease in water by utilizing the phenomenon of coalescence of the oil drops in the process of floating to form larger oil drops, so that the floating of the suspended grease is accelerated, and the air blowing process is completed;
s5, continuously sliding in the exchange box (6) along with the piston block (7) in a reciprocating manner, so that the oil suction process and the air blowing process are continuously and alternately carried out until the oil on the surface of the wastewater is completely sucked out, and the oil is not remained in the switching channel (11) any more, so that the oil separation process is completed.
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| CN202311112457.7A CN117049650A (en) | 2023-08-31 | 2023-08-31 | Industrial wastewater treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311112457.7A CN117049650A (en) | 2023-08-31 | 2023-08-31 | Industrial wastewater treatment equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117699908A (en) * | 2024-02-05 | 2024-03-15 | 山东天弘化学有限公司 | Chemical wastewater safety treatment device and treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117699908A (en) * | 2024-02-05 | 2024-03-15 | 山东天弘化学有限公司 | Chemical wastewater safety treatment device and treatment method |
| CN117699908B (en) * | 2024-02-05 | 2024-04-16 | 山东天弘化学有限公司 | Chemical wastewater safety treatment device and treatment method |
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