CN117285208A - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
- Publication number
- CN117285208A CN117285208A CN202311577425.4A CN202311577425A CN117285208A CN 117285208 A CN117285208 A CN 117285208A CN 202311577425 A CN202311577425 A CN 202311577425A CN 117285208 A CN117285208 A CN 117285208A
- Authority
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- China
- Prior art keywords
- tank
- treatment system
- wastewater
- wastewater treatment
- flocculation
- Prior art date
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- 239000010865 sewage Substances 0.000 title claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000005189 flocculation Methods 0.000 claims abstract description 29
- 230000016615 flocculation Effects 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 239000010802 sludge Substances 0.000 claims abstract description 20
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims abstract description 7
- 150000002500 ions Chemical class 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 65
- 238000006386 neutralization reaction Methods 0.000 claims description 25
- 230000009467 reduction Effects 0.000 claims description 23
- 238000005303 weighing Methods 0.000 claims description 23
- 239000003814 drug Substances 0.000 claims description 22
- 238000004065 wastewater treatment Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 20
- 238000005345 coagulation Methods 0.000 claims description 12
- 230000015271 coagulation Effects 0.000 claims description 12
- 238000005325 percolation Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 9
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 8
- 239000000920 calcium hydroxide Substances 0.000 claims description 8
- 239000000701 coagulant Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 claims description 4
- 229910001453 nickel ion Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000001556 precipitation Methods 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 239000002562 thickening agent Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005507 spraying 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/126—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using drum filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention provides a sewage treatment system, which relates to the technical field of water treatment and comprises a wastewater tank, wherein the wastewater tank is arranged underground; the reaction assembly is positioned above the wastewater tank and is used for reducing harmful ions in the wastewater; the sedimentation component is positioned between the wastewater tank and the reaction component and comprises a sedimentation tank which is in butt joint with the reaction component; the sedimentation tank is also connected with the sand filter and the sludge concentrator respectively and is used for separating clear water from the mixture; the sludge concentrator is also connected with a filter press and is used for accelerating the mud-water separation in the mixture. By arranging the sewage treatment system in a multi-layer structure, not only can the space be effectively saved, but also the height difference can be reasonably utilized to effectively assist the sewage treatment; wherein the reaction component is located the top of precipitation component, after wastewater flocculation is accomplished, can effectively utilize the difference in height to carry out natural emission, avoid the water pump to discharge and can lead to the flocculation thing that has flocculated into large granule thing to be smashed the problem.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a sewage treatment system.
Background
Sewage is a generic term for water discharged during production and life activities; the sewage produced in different environments contains different harmful ions.
As the defects of conventional spraying emerge, electrophoresis starts to become more and more popular, but the following sewage problems come up; the sewage generated by electrophoresis contains a large amount of nickel, phosphorus, ammonia nitrogen, COD and the like; therefore, the problem of how to treat the electrophoretic sewage rapidly and efficiently needs to be solved.
Disclosure of Invention
In view of the above-described drawbacks or deficiencies of the prior art, it is desirable to provide a wastewater treatment system.
The invention provides a sewage treatment system, which comprises
The wastewater pool is arranged underground and is used for collecting production wastewater in a centralized manner;
the reaction assembly is positioned above the wastewater pool and is used for reducing harmful ions in wastewater;
a sedimentation assembly positioned between the wastewater tank and the reaction assembly, comprising a settling tank in butt joint with the reaction assembly;
the sedimentation tank is also connected with the sand filter and the sludge concentrator respectively and is used for separating clear water from the mixture;
the sludge concentrator is also connected with a filter press and is used for accelerating the mud-water separation in the mixture.
Further, the method comprises the steps of,
the reaction assembly comprises a reduction tank connected with the wastewater tank;
the top of the reduction tank is provided with a dosing mechanism for throwing in a specified medicament, and the inside of the reduction tank is provided with a stirring mechanism for accelerating the mixing of the medicament and the wastewater;
the medicine adding mechanism is internally added with a vein breaker for reducing complex nickel ions in the wastewater.
Further, the method comprises the steps of,
the reaction assembly further includes a neutralization tank;
the output end of the reduction tank is connected with the input end of the neutralization tank;
the top of the neutralization tank is provided with the dosing mechanism, and the stirring mechanism is arranged in the neutralization tank;
calcium hydroxide is added in the dosing mechanism and used for adjusting the PH value of the wastewater to 9-10.
Further, the method comprises the steps of,
a flocculation mechanism is also arranged between the neutralization tank and the sedimentation tank;
the flocculation mechanism comprises a coagulation aiding tank and a flocculation tank;
the coagulation assisting tank is positioned between the flocculation tank and the neutralization tank, coagulant assisting is added through the dosing mechanism, and mixing is accelerated through the stirring mechanism.
Further, the method comprises the steps of,
the input end of the flocculation tank is connected with the coagulation aiding tank, and the bottom of the flocculation tank is provided with a discharge port;
the discharge port is positioned above the sedimentation tank, and an electromagnetic valve for controlling on-off is arranged at the end part of the discharge port;
the flocculation tank is used for adding flocculant through the dosing mechanism, and mixing is accelerated through the stirring mechanism.
Further, the method comprises the steps of,
the dosing mechanism comprises a hopper and a weighing platform;
a feeding pipe is arranged at the bottom of the hopper, and a screw rod capable of rotating relatively is arranged in the hopper and used for feeding the medicament to the weighing platform;
the screw is driven by a servo motor and is linked with the weighing platform for controlling the dosage of the medicament.
Further, the method comprises the steps of,
the weighing platform is also provided with a turning plate;
the turning plate is hinged on the weighing platform, a receiving groove is arranged in the middle of the turning plate corresponding to the feeding pipe, and a bending part is arranged on one side far away from the hinge;
the bending part is lifted by the air cylinder and used for driving the turning plate to rotate relatively.
Further, the method comprises the steps of,
the sludge concentrator comprises a barrel body;
the bottom of the barrel body is provided with uniformly arranged percolation mechanisms for separating solid from liquid;
the percolation mechanism comprises an outer sleeve fixedly arranged on the barrel body and a filter screen sleeve coaxial with the outer sleeve.
Further, the method comprises the steps of,
one end of the filter screen sleeve is arranged on the barrel body, and the other end of the filter screen sleeve is connected with the outer sleeve through the base;
the outer ring of the base is in threaded connection with the outer sleeve, and a matched annular groove is formed in the middle of the base corresponding to the end part of the filter screen sleeve.
Further, the method comprises the steps of,
the barrel body is provided with a through hole corresponding to the filter screen sleeve, and the diameter of the through hole is matched with that of the filter screen sleeve;
the filter screen sleeve is provided with a through hole, and one end of the filter screen sleeve, which is close to the through hole, is also provided with a relatively rotatable impeller for pressurizing the inside of the filter screen sleeve;
the impeller is arranged on the rotating shaft and driven by a motor;
the motor is fixedly arranged on the base.
The invention has the advantages and positive effects that:
according to the technical scheme, the sewage treatment system is of a multi-layer structure, so that space can be effectively saved, and the sewage treatment can be effectively assisted by reasonably utilizing the height difference; wherein the reaction component is located the top of precipitation component, after wastewater flocculation is accomplished, can effectively utilize the difference in height to carry out natural emission, avoid the water pump to discharge and can lead to the flocculation thing that has flocculated into large granule thing to be smashed the problem.
Furthermore, the output end of the settling tank is sequentially connected with the sludge thickener and the filter press, so that the solid-liquid separation speed of the mixture can be effectively increased.
Drawings
FIG. 1 is a schematic diagram of a sewage treatment system according to the present invention;
FIG. 2 is a schematic diagram of a sludge thickener of a sewage treatment system according to the present invention;
fig. 3 is a schematic structural view of a dosing mechanism of the sewage treatment system provided by the invention.
The text labels in the figures are expressed as: 100-a wastewater pool; 200-settling tanks; 210-sand filter; 220-sludge concentrator; 221-barrel body; 222-coat; 223-a filter screen sleeve; 224-base; 225-an impeller; 226-a motor; 230-a filter press; 300-a reduction tank; 310-neutralization tank; 320-a coagulation aiding tank; 330-flocculation tank; 400-hopper; 410-a weighing station; 420-feeding pipe; 421-screw; 430-turning plate; 431-receiving groove; 440-cylinder; 450-springs; 500-stirring mechanism.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
Referring to fig. 1 to 3, the present embodiment provides a sewage treatment system, which includes a wastewater tank 100, wherein the wastewater tank 100 is disposed underground for collecting production wastewater in a concentrated manner; a reaction assembly located above the wastewater tank 100 for reducing harmful ions in the wastewater; a settling assembly, which is positioned between the wastewater tank 100 and the reaction assembly, and includes a settling tank 200 that is in butt joint with the reaction assembly; the settling tank 200 is also connected with a sand filter 210 and a sludge thickener 220, respectively, for separating clean water from the mixture; the sludge concentrator 220 is also connected to a filter press 230 for accelerating the separation of sludge from water in the mixture.
In this embodiment, the wastewater tank 100 is disposed under the ground of the wastewater treatment plant, and is used for collecting wastewater generated during production; the sewage treatment workshop is of a two-layer structure, and a reaction component connected with the wastewater tank 100 is arranged in the second layer of the sewage treatment workshop and is used for reducing harmful ions in wastewater; and the first layer is internally provided with a precipitation component connected with the reaction component for carrying out solid-liquid separation on the reacted wastewater.
In this embodiment, the sedimentation assembly includes a sedimentation tank 200 located at a first layer of the sewage treatment plant, for performing sedimentation separation on the reacted wastewater, and meanwhile, the output end of the sedimentation assembly is respectively connected with a sand filter 210 and a sludge thickener 220, for separating the primarily separated clean water and the mixture; wherein the clean water passing through the sand filter 210 enters the water reservoir to be continuously put into use, and the mixture entering the sludge thickener 220 is further extruded to form mud cakes and clean water; wherein clear water enters the water storage tank, and mud cakes are transported to a designated position for special treatment.
In a preferred embodiment, the reaction assembly includes a reduction tank 300 connected to the wastewater tank 100; the top of the reduction tank 300 is provided with a dosing mechanism for throwing a specified medicament, and the inside is provided with a stirring mechanism 500 for accelerating the mixing of the medicament and the wastewater; the medicine adding mechanism is internally added with a vein breaker for reducing complex nickel ions in the wastewater.
In this embodiment, the reduction tank 300 is located on the second floor of the sewage treatment plant and is connected with the wastewater tank 100 through a water pump; the water pump is controlled by the processor, and when the water level in the reduction tank 300 reaches the designated position, the water pump stops storing water, otherwise, when the water level in the reduction tank 300 is discharged to the designated position, the water pump automatically stores water.
In this embodiment, the dosing mechanism is located at the top of the reduction tank 300, and when the water storage in the reduction tank 300 is completed, a corresponding dose of the decomplexing agent is added, so as to reduce the complex nickel ions in the waste water.
In this embodiment, the reduction tank 300 is further provided with a stirring mechanism 500, and the stirring mechanism 500 is also controlled by the processor, and when the dosing mechanism inputs the medicament, the stirring mechanism 500 is started and operated for a set period of time, so as to accelerate the mixing of the medicament and the wastewater.
In a preferred embodiment, the reaction assembly further comprises a neutralization tank 310; the output end of the reduction tank 300 is connected with the input end of the neutralization tank 310; the top of the neutralization tank 310 is provided with a dosing mechanism, and the inside is provided with a stirring mechanism 500; calcium hydroxide is added in the dosing mechanism and used for adjusting the PH value of the wastewater to 9-10.
In this embodiment, the output end of the reduction tank 300 is connected with the neutralization tank 310 through a water pump; the water pump is in signal connection with the processor; when the reduction tank 300 completes the stirring reduction, the water pump is started, thereby transferring the reacted wastewater into the neutralization tank 310.
In this embodiment, the reduction tank 300 may be configured to adjust the PH of the wastewater to 9.5 by adding calcium hydroxide to the wastewater through the dosing mechanism; meanwhile, the stirring mechanism 500 in the reduction tank 300 also rotates synchronously to accelerate the mixing of the chemical and the wastewater.
In this embodiment, a PH detection sensor is further disposed in the neutralization tank 310; the PH detection sensor is in signal connection with the processor; when the neutralization tank 310 is completely filled, the processor can obtain the initial PH value of the wastewater through the PH detection sensor, and then the processor can control the dosing mechanism to add the first specified amount of calcium hydroxide into the neutralization tank 310; after the PH value of the wastewater is stabilized again with the lapse of time, the processor calculates the dosage of the calcium hydroxide required for adjusting the PH value of the wastewater to 9.5 according to the dosage of the calcium hydroxide added for the first time and the variation of the PH value, and the dosage of the calcium hydroxide is added again through the dosing mechanism.
In a preferred embodiment, a flocculation mechanism is also provided between the neutralization tank 310 and the settling tank 200; the flocculation mechanism includes a coagulation aid tank 320 and a flocculation tank 330; the coagulation aiding tank 320 is located between the flocculation tank 330 and the neutralization tank 310, and coagulant aid is added by a dosing mechanism, and mixing is accelerated by a stirring mechanism 500.
In this embodiment, the wastewater is further flocculated after being neutralized in the neutralization tank 310; the flocculation process is completed in the coagulation aiding tank 320 and the flocculation tank 330 respectively; wherein the coagulation aid tank 320 is connected between the neutralization tank 310 and the flocculation tank 330 by a water pump.
In this embodiment, the coagulant aid tank 320 is also provided with a dosing mechanism for adding coagulant aid into the coagulant aid tank 320; meanwhile, the stirring mechanism 500 is also arranged in the coagulation aiding tank 320, so that the mixing of the coagulant aid and the wastewater can be effectively accelerated.
In a preferred embodiment, the flocculation tank 330 has an input end connected to the coagulation-promoting tank 320 and a discharge port at the bottom; the discharge port is positioned above the sedimentation tank 200, and the end part is provided with an electromagnetic valve for controlling on-off; flocculation tank 330 adds a flocculant through a dosing mechanism and accelerates mixing through stirring mechanism 500.
In this embodiment, the output end of the flocculation tank 330 is located at the bottom, and the internal wastewater is discharged automatically through the discharge port, so as to avoid the flocculated substances which are flocculated into large particles from being broken; meanwhile, the discharge port is controlled to be on-off through the electromagnetic valve, so that the discharge port can be connected with a processor through signals, and then is linked with the dosing mechanism and the stirring mechanism 500.
In a preferred embodiment, the dosing mechanism includes a hopper 400 and a weighing station 410; a feeding pipe 420 is arranged at the bottom of the hopper 400, and a screw 421 capable of rotating relatively is arranged in the hopper for feeding the medicament to the weighing platform 410; screw 421 is driven by a servo motor and is linked with weighing table 410 for controlling the dosage of the medicament.
In this embodiment, the hopper 400 is fixedly installed on the installation sleeve so as to be connected with the corresponding reaction tank; the weighing table 410 is mounted in the mounting sleeve by a support frame for weighing the medicament discharged from the hopper 400.
In this embodiment, the output end of the hopper 400 is located at the bottom, and a feeding pipe 420 is correspondingly installed; the feeding pipe 420 has an axis perpendicular to the axis of the hopper 400, and the medicine in the hopper 400 can be fed to the weighing table 410 by the screw 421 inside.
In this embodiment, the screw 421 is driven by a servo motor; the servo motor and the weighing platform 410 are respectively connected with the processor; when the weight of the medicament on the weighing platform 410 reaches a set value, the servo motor stops rotating.
In a preferred embodiment, the weighing station 410 is further provided with a flap 430; the turning plate 430 is hinged on the weighing platform 410, a receiving groove 431 is arranged in the middle of the turning plate corresponding to the feeding pipe 420, and a bending part is arranged on one side far away from the hinge; the bending part is lifted up by the air cylinder 440 to drive the turning plate 430 to rotate relatively.
In this embodiment, the turning plate 430 is hinged on the weighing platform 410, and a receiving groove 431 is disposed in the middle of the turning plate corresponding to the output end of the feeding tube 420, for accommodating the medicament discharged from the feeding tube 420.
In this embodiment, a bending portion is further disposed on one side of the flap 430 away from the hinge shaft; meanwhile, the two sides of the weighing platform 410 on the mounting sleeve are respectively provided with an air cylinder 440 and a spring 450; the air cylinder 440 is positioned at one side of the turning plate 430 far away from the hinge shaft, and abuts against the bending part after extending, and the turning plate 430 is driven to rotate relatively by impacting the bending part; the spring 450 is located at a side of the turning plate 430 far away from the air cylinder 440, and the turning plate 430 can not only throw out all the medicines in the receiving groove 431, but also reset the turning plate 430 by using a repulsive force by striking with the spring 450.
In a preferred embodiment, sludge concentrator 220 includes a tank 221; the bottom of the barrel 221 is provided with a uniformly arranged percolation mechanism for separating solid and liquid; the percolation mechanism comprises an outer jacket 222 fixedly mounted on the tub 221 and a filter jacket 223 coaxial with the outer jacket 222.
In this embodiment, the sludge thickener 220 is connected to the settling tank 200 through a sludge pump, and includes a tub 221 and a percolation mechanism; the number of the percolation mechanisms comprises a plurality of percolation mechanisms which are uniformly distributed at the bottom of the barrel 221 and used for carrying out solid-liquid separation on the flocculated sediment.
In this embodiment, the percolation mechanism comprises an outer jacket 222 and a filter jacket 223, which are coaxial; one end of the outer sleeve 222 is fixedly mounted on the tub 221, and forms an interlayer with the screen cover 223.
In a preferred embodiment, a filter mesh cover 223 is mounted on the tub 221 at one end and is connected to the outer jacket 222 at one end by a base 224; the outer ring of the base 224 is in threaded connection with the outer sleeve 222, and a matched annular groove is arranged at the middle part corresponding to the end part of the filter screen sleeve 223.
In this embodiment, a base 224 is screwed to one end of the base 224 away from the barrel 221; the middle of the base 224 is provided with an annular groove corresponding to the end of the filter screen sleeve 223, so as to be abutted with the end of the filter screen sleeve 223, thereby fixing the filter screen sleeve 223.
In this embodiment, the end of the filter screen cover 223 far away from the base 224 may be selectively and fixedly mounted on the barrel 221, or may be selectively abutted against the end of the barrel 221; when the connection is selected, a matching connection groove is required to be arranged at the bottom of the barrel 221 corresponding to the filter screen sleeve 223.
In a preferred embodiment, the barrel 221 is provided with a through hole corresponding to the filter screen cover 223, and the diameter of the through hole is matched with that of the filter screen cover 223; the end of the filter screen cover 223 near the through hole is also provided with a relatively rotatable impeller 225 for pressurizing the inside of the filter screen cover 223; the impeller 225 is mounted on the shaft and driven by a motor 226; the motor 226 is fixedly mounted to the base 224.
In this embodiment, a through hole coaxial with the filter screen cover 223 is provided at the bottom of the barrel 221, so that the mixture can enter the filter screen cover 223; meanwhile, the end of the filter cover 223 near the through hole is provided with a relatively rotatable impeller 225, and the purpose of pressurization is achieved by rotation, so that the mixture is subjected to solid-liquid separation through the filter cover.
In this embodiment, the impeller 225 is mounted on a rotating shaft, one end of the rotating shaft is rotatably mounted at the through hole through a mounting frame, and one end of the rotating shaft penetrates through the base 224 and is driven by a motor 226.
In this embodiment, after the mixture is initially treated by the percolation mechanism, the sediment after the initial dehydration is discharged by opening the base 224; the discharged precipitate is transferred to the filter press 230 by a conveyor belt, thereby performing final mud-water separation.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (10)
1. A sewage treatment system, comprising
The wastewater tank (100) is arranged underground and is used for collecting production wastewater in a concentrated manner;
the reaction assembly is positioned above the wastewater tank (100) and is used for reducing harmful ions in wastewater;
a sedimentation assembly located between the wastewater tank (100) and the reaction assembly, comprising a settling tank (200) interfacing with the reaction assembly;
the sedimentation tank (200) is also respectively connected with a sand filter (210) and a sludge concentrator (220) and is used for separating clear water and a mixture;
the sludge concentrator (220) is also connected to a filter press (230) for accelerating the separation of sludge from water in the mixture.
2. The wastewater treatment system of claim 1, wherein the wastewater treatment system comprises a wastewater treatment system,
the reaction assembly includes a reduction tank (300) connected to the wastewater tank (100);
the top of the reduction tank (300) is provided with a dosing mechanism for throwing in a specified medicament, and the inside of the reduction tank is provided with a stirring mechanism (500) for accelerating the mixing of the medicament and the wastewater;
the medicine adding mechanism is internally added with a vein breaker for reducing complex nickel ions in the wastewater.
3. The wastewater treatment system of claim 2, wherein the wastewater treatment system comprises a wastewater treatment system,
the reaction assembly further includes a neutralization tank (310);
the output end of the reduction tank (300) is connected with the input end of the neutralization tank (310);
the top of the neutralization tank (310) is provided with the dosing mechanism, and the stirring mechanism (500) is arranged inside the neutralization tank;
calcium hydroxide is added in the dosing mechanism and used for adjusting the PH value of the wastewater to 9-10.
4. A sewage treatment system according to claim 3, wherein,
a flocculation mechanism is also arranged between the neutralization tank (310) and the sedimentation tank (200);
the flocculation mechanism comprises a coagulation aiding tank (320) and a flocculation tank (330);
the coagulation assisting tank (320) is positioned between the flocculation tank (330) and the neutralization tank (310), coagulant assisting is added through the dosing mechanism, and mixing is accelerated through the stirring mechanism (500).
5. The wastewater treatment system according to claim 4, wherein,
the input end of the flocculation tank (330) is connected with the coagulation aiding tank (320), and the bottom of the flocculation tank is provided with a discharge port;
the discharge port is positioned above the sedimentation tank (200), and an electromagnetic valve for controlling on-off is arranged at the end part of the discharge port;
the flocculation tank (330) adds flocculant through the dosing mechanism, and the mixing is accelerated through the stirring mechanism (500).
6. The wastewater treatment system according to claim 5, wherein,
the dosing mechanism comprises a hopper (400) and a weighing platform (410);
a feeding pipe (420) is arranged at the bottom of the hopper (400), and a screw (421) capable of rotating relatively is arranged in the hopper and used for feeding the medicament to the weighing platform (410);
the screw (421) is driven by a servo motor, is linked with the weighing table (410) and is used for controlling the dosage of the medicament.
7. The wastewater treatment system of claim 6, wherein the wastewater treatment system comprises a wastewater treatment system,
the weighing platform (410) is also provided with a turning plate (430);
the turning plate (430) is hinged on the weighing platform (410), a receiving groove (431) is arranged in the middle of the turning plate corresponding to the feeding pipe (420), and a bending part is arranged on one side far away from the hinge;
the bending part is lifted up through an air cylinder (440) and used for driving the turning plate (430) to rotate relatively.
8. The wastewater treatment system of claim 1, wherein the wastewater treatment system comprises a wastewater treatment system,
the sludge concentrator (220) comprises a barrel (221);
the bottom of the barrel body (221) is provided with a percolation mechanism which is uniformly distributed and is used for separating solid from liquid;
the percolation mechanism comprises an outer sleeve (222) fixedly arranged on the barrel body (221) and a filter screen sleeve (223) coaxial with the outer sleeve (222).
9. The wastewater treatment system of claim 8, wherein the wastewater treatment system comprises a wastewater treatment system,
one end of the filter screen sleeve (223) is arranged on the barrel body (221), and the other end is connected with the outer sleeve (222) through the base (224);
the outer ring of the base (224) is in threaded connection with the outer sleeve (222), and a matched annular groove is formed in the middle of the base, corresponding to the end part of the filter screen sleeve (223).
10. The wastewater treatment system of claim 9, wherein the wastewater treatment system comprises a wastewater treatment system,
the barrel body (221) is provided with a through hole corresponding to the filter screen sleeve (223), and the diameter of the through hole is matched with that of the filter screen sleeve (223);
one end of the filter screen sleeve (223) close to the through hole is also provided with a relatively rotatable impeller (225) for pressurizing the inside of the filter screen sleeve (223);
the impeller (225) is arranged on the rotating shaft and driven by a motor (226);
the motor (226) is fixedly mounted on the base (224).
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| CN202311577425.4A CN117285208B (en) | 2023-11-24 | 2023-11-24 | Sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311577425.4A CN117285208B (en) | 2023-11-24 | 2023-11-24 | Sewage treatment system |
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| CN117285208A true CN117285208A (en) | 2023-12-26 |
| CN117285208B CN117285208B (en) | 2024-02-06 |
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|---|---|---|---|---|
| CN103086539A (en) * | 2013-01-21 | 2013-05-08 | 北京市环境保护科学研究院 | Solid-liquid separating device and method of concentrated liquid waste from banknote printing wiping |
| JP2013255904A (en) * | 2012-06-14 | 2013-12-26 | Nippon Solid Co Ltd | Transverse flow sedimentation basin |
| CN214915559U (en) * | 2020-12-18 | 2021-11-30 | 山西禾木生物科技有限公司 | Feed additive mixes feed proportioning system |
| CN115448570A (en) * | 2022-09-13 | 2022-12-09 | 温州市环境发展有限公司 | Fly ash leachate sludge treatment system |
| CN218910103U (en) * | 2022-12-20 | 2023-04-25 | 内蒙古滟晴环境技术有限公司 | Chemical precipitation adsorption device for treating high fluoride wastewater |
| CN116606033A (en) * | 2023-06-28 | 2023-08-18 | 厦门瑞京金属制品有限公司 | Electroplating sewage treatment system |
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2023
- 2023-11-24 CN CN202311577425.4A patent/CN117285208B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013255904A (en) * | 2012-06-14 | 2013-12-26 | Nippon Solid Co Ltd | Transverse flow sedimentation basin |
| CN103086539A (en) * | 2013-01-21 | 2013-05-08 | 北京市环境保护科学研究院 | Solid-liquid separating device and method of concentrated liquid waste from banknote printing wiping |
| CN214915559U (en) * | 2020-12-18 | 2021-11-30 | 山西禾木生物科技有限公司 | Feed additive mixes feed proportioning system |
| CN115448570A (en) * | 2022-09-13 | 2022-12-09 | 温州市环境发展有限公司 | Fly ash leachate sludge treatment system |
| CN218910103U (en) * | 2022-12-20 | 2023-04-25 | 内蒙古滟晴环境技术有限公司 | Chemical precipitation adsorption device for treating high fluoride wastewater |
| CN116606033A (en) * | 2023-06-28 | 2023-08-18 | 厦门瑞京金属制品有限公司 | Electroplating sewage treatment system |
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