CN117069221A - Sewage treatment device and treatment method for heavy metal pollution - Google Patents
Sewage treatment device and treatment method for heavy metal pollution Download PDFInfo
- Publication number
- CN117069221A CN117069221A CN202311211155.5A CN202311211155A CN117069221A CN 117069221 A CN117069221 A CN 117069221A CN 202311211155 A CN202311211155 A CN 202311211155A CN 117069221 A CN117069221 A CN 117069221A
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- Prior art keywords
- fixedly connected
- tank body
- sewage
- heavy metal
- conveying pipe
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- 239000010865 sewage Substances 0.000 title claims abstract description 85
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 9
- 239000003814 drug Substances 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 241000237983 Trochidae Species 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 32
- 239000013049 sediment Substances 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 10
- 229940079593 drug Drugs 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000003311 flocculating effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 244000309464 bull Species 0.000 abstract 1
- 238000005189 flocculation Methods 0.000 description 12
- 230000016615 flocculation Effects 0.000 description 12
- 238000007790 scraping Methods 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
Abstract
The application relates to the technical field of sewage treatment and discloses a sewage treatment device for heavy metal pollution, which comprises a tank body, wherein a bottom shell is fixedly connected to the bottom of the tank body, a motor is fixedly connected to the inner bottom wall of the bottom shell, a transmission rod is fixedly connected to the output end of the motor, a spiral filter screen is fixedly connected to the periphery of the transmission rod, a conveying pipe is fixedly connected to the middle side of the inside of the tank body, a water inlet pipe is arranged on one side of the tank body, a water outlet pipe is arranged on the other side of the tank body, a top shell is fixedly connected to the top of the tank body, and a cleaning assembly is arranged in the top shell. Through the cooperation of transfer line, spiral filter screen, sleeve pipe, boss, scraper blade, sleeve pipe, bull stick, helical blade, gear and annular tooth for the sewage treatment plant that is used for heavy metal pollution can separate silt and sewage in the sewage the first time, when guaranteeing to follow-up the processing heavy metal that adds the medicine and remain, can improve the utilization ratio of medicament, quickens the efficiency that the reaction was flocculated.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a sewage treatment device and a treatment method for heavy metal pollution.
Background
In industrial production, a large amount of wastewater is generated, and the wastewater generally contains a large amount of heavy metal substances, and if the wastewater is directly discharged, the heavy metal substances in the wastewater can cause great damage and pollution to the environment, so that the heavy metal substances in the wastewater need to be removed by using wastewater treatment equipment, and the wastewater discharge can be ensured to meet the standard.
At present, most of sewage treatment equipment is not efficient enough in removing heavy metal substances in sewage due to the fact that a large amount of impurities such as silt are contained in the sewage, and the efficiency of removing the heavy metal substances in the sewage due to the fact that more impurities are caused by the chemical adding reaction.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a sewage treatment device and a treatment method for heavy metal pollution, which solve the problem that the efficiency of removing heavy metal by reaction is not high enough due to more impurities when heavy metal substances in sewage are removed by dosing reaction because a great amount of sediment and other magazines are also contained in the sewage in the prior art.
In order to achieve the above purpose, the application is realized by the following technical scheme: the utility model provides a sewage treatment plant for heavy metal pollution, includes the jar body, jar body bottom fixedly connected with drain pan, diapire fixedly connected with motor in the drain pan, motor output fixedly connected with transfer line, transfer line periphery fixedly connected with spiral filter screen, jar inside mid-side fixedly connected with conveyer pipe, the inlet tube is installed to jar body one side, the outlet pipe is installed to jar body opposite side, jar body top fixedly connected with top shell, top shell internally mounted has the clearance subassembly, conveying assembly is installed in the top shell outside, jar internally mounted has the extrusion subassembly, top shell top fixedly connected with dosing tank, dosing tank top fixedly connected with dosing hopper, dosing tank internally mounted has the stirring subassembly, dosing tank installs in the outside and adds the medicine subassembly.
Preferably, the water inlet pipe is Zhou Guanchuan outside the tank body and is arranged inside the conveying pipe, the outer side of the spiral filter screen is attached to the inner wall of the conveying pipe, a fixing frame is fixedly connected to the outer side of the motor, and the fixing frame is fixedly connected to the bottom of the tank body.
Preferably, the cleaning assembly comprises a boss and three scrapers, the bottom of the boss is fixedly connected to the middle side of the top of the tank body, and the inner side of the scrapers is fixedly connected to the top of the periphery of the transmission rod.
Preferably, the top end of the spiral filter screen penetrates through the boss, the bottom of the scraping plate is attached to the top of the boss, and the bottom of the scraping plate is attached to the top of the tank body.
Preferably, the conveying assembly comprises a sleeve and annular teeth, the sleeve is fixedly connected to the outer side of the top shell, a rotating rod is rotatably connected to the inner portion of the sleeve, a spiral blade is fixedly connected to the outer periphery of the rotating rod, the rotating rod is close to one end of the transmission rod, a gear is fixedly connected to the end of the transmission rod, the middle portion of the annular teeth is fixedly connected to the outer Zhou Dingduan of the transmission rod, the annular teeth are meshed with the gear, a support is rotatably connected to one side of the outer periphery of the rotating rod, and the top of the support is fixedly connected to the inner top wall of the top shell.
Preferably, the extrusion assembly comprises two reciprocating screws, a driving gear, a top notch and a bottom notch, wherein the two reciprocating screws are respectively connected to two sides of the bottom wall in the tank body in a rotating mode, a fixing plate is connected to the top end of each reciprocating screw in a rotating mode, the fixing plate is fixedly connected between the inner wall of the tank body and the outer side of the conveying pipe, the bottom end of each reciprocating screw penetrates through the tank body and is fixedly connected with a driven gear, the middle part of each driving gear is fixedly connected with the outer Zhou Deduan of the transmission rod, the driving gear is meshed with the driven gear, the outer side of each reciprocating screw is in threaded connection with the extrusion plate, the top notch is formed in the middle of the conveying pipe, the top notch is located at the bottom of the fixing plate, a filtering check valve is mounted in the inner portion of the top notch, and the bottom notch is formed in the outer bottom of the periphery of the conveying pipe.
Preferably, the stirring assembly comprises a rotary table, the middle part of the rotary table is fixedly connected with the top end of the transmission rod, and one side of the top of the rotary table is fixedly connected with a stirring shaft.
Preferably, the dosing assembly comprises a cylinder body, the cylinder body is fixedly connected with the outside of the dosing box, a piston is slidably connected in the cylinder body, a movable rod is fixedly connected in the middle of the piston, one end of the movable rod penetrates through the cylinder body and is fixedly connected with a frame, one side, away from the dosing box, of the cylinder body is fixedly connected with two check valves I which are vertically distributed, one of the check valves I is fixedly connected with a dosing pipe, the bottom end of the dosing pipe is fixedly connected with a second check valve, the other top end of the check valve I is fixedly connected with a dosing pipe, and the bottom end of the dosing pipe is communicated with the inside of the dosing box.
Preferably, the inner side of the frame is slidably connected to the bottom of the periphery of the stirring shaft, and the second check valve is fixedly connected to one side of the inside of the fixing plate.
The application method of the sewage treatment device for heavy metal pollution comprises the following steps:
step one, heavy metal sewage enters the tank body from a water inlet pipe and flows into the conveying pipe, then a motor is started to drive a transmission rod and a spiral filter screen to rotate, so that the sewage entering the conveying pipe can be filtered by the spiral filter screen, sediment is separated and conveyed upwards, the sediment slides from the middle part of a boss to a slope of the boss, and finally the sediment falls on the top of the tank body;
step two, the scraper is driven to rotate along with the rotation of the transmission rod to scrape sediment falling on the tops of the tank body and the boss, the sediment is enabled to approach the inner wall of the top shell and enter the inside of the sleeve through the action of centrifugal force, and meanwhile the transmission rod drives the annular teeth to rotate, so that the annular teeth drive the rotating rod and the spiral blades to rotate through the gears, and the sediment entering the inside of the sleeve is conveyed outwards and separated;
step three, adding the medicament into the medicament adding box from the medicament adding hopper, driving the rotary table to rotate by the transmission rod, further driving the stirring shaft to circularly move, fully and uniformly mixing the medicament and water, driving the frame to continuously reciprocate by the movement of the stirring shaft, continuously reciprocating the movable rod in the cylinder body, sucking the mixed medicament in the medicament adding box into the cylinder body, pushing and compressing the mixed medicament into the medicament inlet pipe by the piston, and finally spraying the mixed medicament into the tank body from the second one-way valve to be in contact with the sewage, so as to react with heavy metal substances, and generate flocculation;
step four, along with the rotation of transfer line, the drive gear can rotate through the synchronous drive reciprocating screw of two driven gears, make two reciprocating screw rotations can drive the stripper plate and upwards move, sewage can follow the top breach on the conveyer pipe and constantly flow into the internal portion of jar on the stripper plate this moment, along with the stripper plate upwards move, sewage can be lifted and surging into the conveyer pipe inside again from the top breach, and the sewage of conveyer pipe inside can get into the bottom of stripper plate this moment, make the sewage of refluence into the conveyer pipe inside circulate, and the heavy metal flocculation thing that produces can be driven by the spiral filter screen upwards get into inside the top shell, afterwards reciprocating screw can drive the stripper plate slowly move down, the stripper plate can extrude the sewage of bottom this moment, press into the conveyer pipe inside from the bottom breach through the effect of pressure, the water stream is wrapped up with the flocculation thing and gets into the conveyer pipe inside, and upwards carry by the spiral filter screen, when the inside liquid level of conveyer pipe reaches top breach department, can flow out again and fall on the stripper plate from the top breach, the flocculation thing can be upwards carried this moment, thereby discharge device inside.
The application provides a sewage treatment device and a treatment method for heavy metal pollution. The beneficial effects are as follows:
1. according to the application, through the cooperation of the motor, the transmission rod, the spiral filter screen, the sleeve, the boss, the scraping plate, the sleeve, the rotating rod, the spiral blade, the gear and the annular teeth, the sewage treatment device for heavy metal pollution can separate sediment and sewage in the sewage for the first time, so that the utilization rate of a medicament can be improved and the reaction flocculation efficiency can be accelerated when heavy metal residues are treated by adding medicaments in the follow-up process.
2. According to the application, through the cooperation of the dosing box, the rotary table, the stirring shaft, the dosing hopper, the piston, the movable rod, the frame, the first check valve, the dosing pipe, the second check valve and the dosing pipe, the sewage treatment device for heavy metal pollution can continuously carry out dosing treatment along with the operation of the device, and medicines are intermittently injected into the device, so that the medicines are utilized to the maximum extent, and waste is avoided.
3. According to the application, through the cooperation of the top notch, the bottom notch, the fixed plate, the reciprocating screw, the driven gear, the driving gear and the extrusion plate, the sewage treatment device for heavy metal pollution can continuously discharge flocculate generated by the reaction out of the device and collect the flocculate. The subsequent recycling is convenient, and the cost is reduced.
Drawings
FIG. 1 is a perspective view of the present application;
FIG. 2 is a cross-sectional view of a can of the present application;
FIG. 3 is a schematic view of the structure of the reciprocating screw of the present application;
FIG. 4 is a schematic view of the internal structure of the sleeve according to the present application;
FIG. 5 is a schematic view of the ring gear structure of the present application;
FIG. 6 is a schematic view of the internal structure of the cylinder according to the present application;
FIG. 7 is an enlarged view of FIG. 3 at A;
fig. 8 is an enlarged view at B in fig. 3.
Wherein, 1, the tank body; 2. a bottom case; 3. a motor; 4. a transmission rod; 5. a spiral filter screen; 6. a delivery tube; 7. a water inlet pipe; 8. a water outlet pipe; 9. a top shell; 10. a boss; 11. a scraper; 12. a sleeve; 13. a rotating rod; 14. a helical blade; 15. a gear; 16. annular teeth; 17. a bracket; 18. a top notch; 19. a bottom notch; 20. a fixing plate; 21. a reciprocating screw; 22. a driven gear; 23. a drive gear; 24. an extrusion plate; 25. a dosing box; 26. a turntable; 27. a stirring shaft; 28. a medicine adding hopper; 29. a piston; 30. a movable rod; 31. a frame; 32. a first check valve; 33. a medicine inlet pipe; 34. a second check valve; 35. a drug sucking tube; 36. a fixing frame; 37. a cylinder body.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples:
referring to fig. 1-8, an embodiment of the application provides a sewage treatment device for heavy metal pollution, which comprises a tank 1, wherein the tank 1 is used for temporarily storing heavy metal sewage with treatment, and the total amount of sewage entering the tank 1 is controlled by a liquid level switch arranged in the tank 1. Meanwhile, the whole device can be installed in a buried installation mode, so that the occupied area is reduced. Tank body 1 bottom fixedly connected with drain pan 2, bottom fixedly connected with motor 3 in the drain pan 2, motor 3 regard as whole sewage treatment plant's power take off source, protect it through motor 3 for tank body 1 can not cause the influence to motor 3 when burying underground. The motor 3 output fixedly connected with transfer line 4, transfer line 4 periphery fixedly connected with spiral filter screen 5, tank body 1 inside mid-side fixedly connected with conveyer pipe 6, inlet tube 7 is installed to tank body 1 one side, heavy metal sewage gets into tank body 1 inside from inlet tube 7, and flow into conveyer pipe 6 inside, then start motor 3 drive transfer line 4 and spiral filter screen 5 rotation for the sewage that gets into inside conveyer pipe 6 can be filtered by spiral filter screen 5, with silt separation and upwards transport, tank body 1 opposite side installs outlet pipe 8, open the solenoid valve on the outlet pipe 8, alright discharge equipment with the sewage that tank body 1 inside was handled. Tank body 1 top fixedly connected with top shell 9, top shell 9 internally mounted have the clearance subassembly, can clear up silt and the flocculation thing that come on carrying through the clearance subassembly. And a conveying assembly is arranged on the outer side of the top shell 9, and cleaned sediment and flocculate are conveyed out of the device through the conveying assembly and are collected and stored. Tank body 1 internally mounted has extrusion subassembly, makes the flocculation thing that the reaction produced can circulate constantly get into inside conveyer pipe 6 through extrusion subassembly's operation, and then is constantly carried out the device by spiral filter screen 5, avoids the flocculation thing to push inside the device, influences follow-up reaction efficiency. The top shell 9 top fixedly connected with dosing tank 25, dosing tank 25 top fixedly connected with dosing hopper 28, dosing tank 25 internally mounted have stirring subassembly, add inside dosing tank 25 back with medicament and water, stirring subassembly can be fully mixed evenly medicament and water fast, guarantees that the medicament in the spraying device can be dispersed in the first time and react with the heavy metal material in the sewage. The dosing assembly is installed in the dosing tank 25 outside, and dosing assembly can be incessantly intermittent type nature to jar internal portion interpolation medicament of body 1, guarantees that the medicament can react with sewage fast after getting into jar internal portion 1, avoids once only adding too much medicament, leads to the extravagant condition to appear in the medicament.
The periphery of the water inlet pipe 7 penetrates through the tank body 1 and is arranged inside the conveying pipe 6, so that sewage can directly enter the conveying pipe 6. The outside of the spiral filter screen 5 is attached to the inner wall of the conveying pipe 6, and the separated sediment or the entering flocculating material is continuously conveyed upwards through the rotation of the spiral filter screen 5. The fixed frame 36 is fixedly connected to the outer side of the motor 3, the fixed frame 36 is fixedly connected to the bottom of the tank body 1, the stability of the motor 3 is further improved through the fixed frame 36, and the motor 3 can normally and stably run.
The cleaning assembly comprises a boss 10 and three scraping plates 11, wherein the bottom of the boss 10 is fixedly connected to the middle side of the top of the tank body 1, the inner side of the scraping plates 11 is fixedly connected to the top of the periphery of the transmission rod 4, sewage entering the conveying pipe 6 is filtered by the spiral filter screen 5, sediment is separated and conveyed upwards, the sediment slides from the middle of the boss 10 to a slope of the boss 10, and finally the sediment falls on the top of the tank body 1. Along with the rotation of the transmission rod 4, the scraping plate 11 is driven to rotate to scrape sediment falling on the tops of the tank body 1 and the boss 10, and the sediment is enabled to approach the inner wall of the top shell 9 through the action of centrifugal force.
The boss 10 is run through on spiral filter screen 5 top for spiral filter screen 5 can directly carry silt or flocculation thing to the top of boss 10, makes silt and flocculation thing can follow the slope at boss 10 top landing to jar body 1. The bottom of the scraping plate 11 is attached to the top of the boss 10, and the bottom of the scraping plate 11 is attached to the top of the tank body 1, so that the rotating scraping plate 11 can continuously push sediment, and the sediment and flocculating matters are forced to be close to the inner wall of the top shell 9 under the action of centrifugal force.
The conveying assembly comprises a sleeve 12 and annular teeth 16, wherein the sleeve 12 is fixedly connected to the outer side of a top shell 9, a rotating rod 13 is rotatably connected to the inner side of the sleeve 12, a helical blade 14 is fixedly connected to the periphery of the rotating rod 13, one end, close to a transmission rod 4, of the rotating rod 13 is fixedly connected with a gear 15, the middle part of the annular teeth 16 is fixedly connected to the outer side Zhou Dingduan of the transmission rod 4, the annular teeth 16 are meshed with the gear 15, sediment can approach the inner wall of the top shell 9 through the action of centrifugal force and enter the sleeve 12, meanwhile, the transmission rod 4 can drive the annular teeth 16 to rotate, and then the annular teeth 16 drive the rotating rod 13 and the helical blade 14 to rotate through the gear 15, so that the sediment entering the inner side of the sleeve 12 is conveyed and separated outwards. The sediment and flocs then move inside the casing 12 to the end and are discharged from the discharge opening of the end and fall into the interior of the installed collection equipment. Collecting and treating the flocculate and sediment, thereby extracting the flocculate for recycling. One side of the periphery of the rotating rod 13, which is close to the transmission rod 4, is rotationally connected with a bracket 17, the top of the bracket 17 is fixedly connected with the inner top wall of the top shell 9, and the periphery of the sleeve 12 is supported by the bracket 17, so that stable meshing transmission between the gear 15 and the annular teeth 16 is ensured.
The extrusion subassembly includes two reciprocating screw 21, driving gear 23, top breach 18 and bottom breach 19, and two reciprocating screw 21 rotate respectively and connect in jar body 1 interior bottom both sides, and two reciprocating screw 21 are symmetrical distribution in jar body 1 inside, and reciprocating screw 21 top rotates and is connected with fixed plate 20, installs liquid level switch on the fixed plate 20, when the water level in jar body 1 is about to reach the height of fixed plate 20, just can close the water inlet electromagnetic valve on the inlet tube 7. The fixed plate 20 is fixedly connected between the inner wall of the tank body 1 and the outer side of the conveying pipe 6, so that two reciprocating screw rods 21 can be supported through the tank body 1 and the fixed plate 20, and stable rotation of the reciprocating screw rods is ensured. The bottom end of the reciprocating screw 21 penetrates through the tank 1 and is fixedly connected with the driven gear 22, the middle part of the driving gear 23 is fixedly connected with the outer Zhou Deduan of the transmission rod 4, the driving gear 23 is meshed with the driven gear 22, the driving gear 23 is driven to rotate through the rotation of the transmission rod 4, and then the two driven gears 22 can synchronously drive the reciprocating screw 21 to rotate. The outer side of the reciprocating screw 21 is in threaded connection with an extrusion plate 24, and the extrusion plate 24 is driven to continuously and slowly reciprocate up and down by the rotation of the reciprocating screw 21. The top breach 18 is offered at conveyer pipe 6 middle part, and top breach 18 is located fixed plate 20 bottom, and top breach 18 internally mounted has the filtration check valve for when the inside sewage of conveyer pipe 6 outwards flows from top breach 18, through the effect of filtration check valve, guarantee that sewage can circulate to the upper portion of stripper plate 24 again, and the flocculation thing can be continued to carry upwards by spiral filter screen 5. Meanwhile, when the extruding plate 24 moves upwards, sewage and flocculate can directly wash away the filter screen valve core in the filter check valve under the action of water pressure, so that the flocculate is pressed into the conveying pipe 6 and conveyed upwards by the spiral filter screen 5 for separation. The bottom notch 19 is formed at the bottom of the periphery of the conveying pipe 6. Along with the rotation of the transmission rod 4, the driving gear 23 synchronously drives the reciprocating screw 21 to rotate through the two driven gears 22, so that the reciprocating screw 21 rotates to drive the extrusion plate 24 to move upwards, sewage continuously flows into the tank body 1 from the top notch 18 on the conveying pipe 6 and falls on the extrusion plate 24, along with the upward movement of the extrusion plate 24, the sewage can be lifted and is flushed into the conveying pipe 6 again from the top notch 18, at the moment, the sewage in the conveying pipe 6 enters the bottom of the extrusion plate 24 from the bottom notch 19, the sewage flowing back into the conveying pipe 6 circulates, and the heavy metal floccule generated at the moment can be driven by the spiral filter screen 5 to upwards enter the top shell 9, then the reciprocating screw 21 can drive the extrusion plate 24 to slowly move downwards, at the moment, the extrusion plate 24 can extrude the sewage at the bottom, the sewage is pressed into the conveying pipe 6 from the bottom notch 19 through the action of pressure, the water flows into the conveying pipe 6 and is upwards conveyed by the spiral filter screen 5, and when the liquid level in the conveying pipe 6 reaches the top notch 18, the sewage can flow out of the extrusion plate 18 again and falls into the top notch 24, and most of the floccule can be discharged upwards, and the floccule is discharged upwards.
The stirring assembly comprises a rotary table 26, the middle part of the rotary table 26 is fixedly connected to the top end of a transmission rod 4, a stirring shaft 27 is fixedly connected to one side of the top of the rotary table 26, a medicament is added into a medicament adding box 25 from a medicament adding hopper 28, the rotary table 26 is driven to rotate by the transmission rod 4, and then the stirring shaft 27 is driven to circularly move so as to fully and uniformly mix the medicament and water.
The dosing assembly comprises a cylinder 37, the cylinder 37 is fixedly connected to the outer side of a dosing tank 25, a piston 29 is slidably connected to the inside of the cylinder 37, a movable rod 30 is fixedly connected to the middle of the piston 29, one end of the movable rod 30 penetrates through the cylinder 37 and is fixedly connected with a frame 31, one side, away from the dosing tank 25, of the cylinder 37 is fixedly connected with two check valves 32 which are vertically distributed, the middle of one check valve 32 is fixedly connected with a dosing tube 33, the bottom end of the dosing tube 33 is fixedly connected with a check valve II 34, and the frame 31 is driven to continuously reciprocate through the movement of a stirring shaft 27, so that the movable rod 30 continuously reciprocates inside the cylinder 37. The top end of the other one-way valve I32 is fixedly connected with a medicine sucking pipe 35, the bottom end of the medicine sucking pipe 35 is communicated with the inside of the medicine adding box 25, through the cooperation of the two one-way valves I32 and the piston 29, the mixed medicine in the medicine adding box 25 is sucked into the cylinder 37 along with the continuous reciprocating movement of the piston 29, then pushed and compressed by the piston 29 to enter the medicine inlet pipe 33, and finally sprayed into the tank 1 from the one-way valve II 34 to be contacted with sewage to react with heavy metal substances, so that flocculate is generated.
The inside sliding connection of frame 31 is in (mixing) shaft 27 periphery bottom for (mixing) shaft 27 also can drive the operation of dosing subassembly when carrying out circular motion stirring mix water and medicament. The second check valve 34 is fixedly connected to one side of the inside of the fixed plate 20, and the second check valve 34 ensures that the medicament can be directly added into the lower part of the fixed plate 20, and meanwhile, the sewage is not pressed into the medicine inlet tube 33 due to the upward movement of the extruding plate 24.
The application method of the sewage treatment device for heavy metal pollution comprises the following steps:
step one, heavy metal sewage enters the tank body 1 from the water inlet pipe 7 and flows into the conveying pipe 6, then the motor 3 is started to drive the transmission rod 4 and the spiral filter screen 5 to rotate, so that the sewage entering the conveying pipe 6 can be filtered by the spiral filter screen 5, sediment is separated and conveyed upwards, the sediment slides from the middle part of the boss 10 to the slope of the boss 10, and finally falls on the top of the tank body 1;
step two, the scraper 11 is driven to rotate along with the rotation of the transmission rod 4 to scrape sediment falling on the tops of the tank body 1 and the boss 10, the sediment is enabled to approach the inner wall of the top shell 9 and enter the inside of the sleeve 12 under the action of centrifugal force, and meanwhile, the transmission rod 4 drives the annular teeth 16 to rotate, so that the annular teeth 16 drive the rotating rod 13 and the helical blades 14 to rotate through the gear 15, and the sediment entering the inside of the sleeve 12 is conveyed outwards and separated;
step three, simultaneously adding the medicament into the medicament adding box 25 from the medicament adding hopper 28, driving the rotary table 26 to rotate by the transmission rod 4, driving the stirring shaft 27 to circularly move, fully uniformly mixing the medicament and water, driving the frame 31 to continuously reciprocate by the movement of the stirring shaft 27, continuously reciprocating the movable rod 30 in the cylinder 37, sucking the mixed medicament in the medicament adding box 25 into the cylinder 37, pushing and compressing the mixed medicament into the medicament inlet pipe 33 by the piston 29, finally spraying the mixed medicament into the tank 1 from the check valve II 34 to be contacted with sewage, reacting with heavy metal substances, and generating flocculation;
step four, along with the rotation of the transmission rod 4, the driving gear 23 synchronously drives the reciprocating screw 21 to rotate through the two driven gears 22, so that the two reciprocating screw 21 rotates to drive the extrusion plate 24 to move upwards, sewage continuously flows into the tank body 1 from the top notch 18 on the conveying pipe 6 and falls on the extrusion plate 24, along with the upward movement of the extrusion plate 24, sewage can be lifted and gushed into the conveying pipe 6 again from the top notch 18, sewage in the conveying pipe 6 enters the bottom of the extrusion plate 24 from the bottom notch 19 at the moment, sewage flowing back into the conveying pipe 6 circulates, heavy metal flocculate generated at the moment can be driven by the spiral filter screen 5 to upwards enter the top shell 9, then the reciprocating screw 21 can drive the extrusion plate 24 to slowly move downwards, the extrusion plate 24 can extrude the sewage at the bottom at the moment, the moment is pressed into the conveying pipe 6 from the bottom notch 19 through the action of the pressure, the sewage is wrapped with the flocculate and conveyed upwards by the spiral filter screen 5, and flows out of the top notch 18 and falls on the conveying pipe 6 again when reaching the top notch 18 in the conveying pipe 6, and the flocculate is discharged out of the device upwards.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a sewage treatment plant for heavy metal pollution, includes a tank body (1), a serial communication port, tank body (1) bottom fixedly connected with drain pan (2), bottom fixedly connected with motor (3) in drain pan (2), motor (3) output fixedly connected with transfer line (4), transfer line (4) periphery fixedly connected with spiral screen (5), side fixedly connected with conveyer pipe (6) in tank body (1) inside, inlet tube (7) are installed to tank body (1) one side, outlet pipe (8) are installed to tank body (1) opposite side, tank body (1) top fixedly connected with top shell (9), top shell (9) internally mounted has clearance subassembly, top shell (9) outside is installed and is carried the subassembly, tank body (1) internally mounted has extrusion subassembly, top shell (9) top fixedly connected with medicine adding box (25), medicine adding box (25) top fixedly connected with medicine adding hopper (28), medicine adding box (25) internally mounted has stirring subassembly, medicine adding box (25) installs the outside and adds the subassembly.
2. The sewage treatment device for heavy metal pollution according to claim 1, wherein the water inlet pipe (7) is Zhou Guanchuan outside the tank body (1) and is arranged inside the conveying pipe (6), the outer side of the spiral filter screen (5) is attached to the inner wall of the conveying pipe (6), a fixing frame (36) is fixedly connected to the outer side of the motor (3), and the fixing frame (36) is fixedly connected to the bottom of the tank body (1).
3. The sewage treatment device for heavy metal pollution according to claim 1, wherein the cleaning assembly comprises a boss (10) and three scrapers (11), the bottom of the boss (10) is fixedly connected to the middle side of the top of the tank body (1), and the inner side of the scrapers (11) is fixedly connected to the top of the periphery of the transmission rod (4).
4. A sewage treatment device for heavy metal pollution according to claims 1 and 3, wherein the top end of the spiral filter screen (5) penetrates through the boss (10), the bottom of the scraper blade (11) is attached to the top of the boss (10), and the bottom of the scraper blade (11) is attached to the top of the tank (1).
5. The sewage treatment device for heavy metal pollution according to claim 1, wherein the conveying assembly comprises a sleeve (12) and annular teeth (16), the sleeve (12) is fixedly connected to the outer side of the top shell (9), a rotating rod (13) is rotatably connected to the inner side of the sleeve (12), a helical blade (14) is fixedly connected to the periphery of the rotating rod (13), a gear (15) is fixedly connected to one end, close to the transmission rod (4), of the rotating rod (13), the middle part of the annular teeth (16) is fixedly connected to the outer side Zhou Dingduan of the transmission rod (4), the annular teeth (16) are meshed with the gear (15), a support (17) is rotatably connected to one side, close to the transmission rod (4), of the periphery of the rotating rod (13), and the top of the support (17) is fixedly connected to the inner top wall of the top shell (9).
6. The sewage treatment device for heavy metal pollution according to claim 1, wherein the extrusion assembly comprises two reciprocating screws (21), a driving gear (23), a top notch (18) and a bottom notch (19), the two reciprocating screws (21) are respectively connected to two sides of the inner bottom wall of the tank body (1) in a rotating mode, a fixing plate (20) is connected to the top end of each reciprocating screw (21) in a rotating mode, the fixing plate (20) is fixedly connected between the inner wall of the tank body (1) and the outer side of the conveying pipe (6), the bottom end of each reciprocating screw (21) penetrates through the tank body (1) and is fixedly connected with a driven gear (22), the middle of the driving gear (23) is fixedly connected to the outer side Zhou Deduan of the transmission rod (4), the driving gear (23) is meshed with the driven gear (22), the outer side of each reciprocating screw (21) is in threaded connection with an extrusion plate (24), the top notch (18) is formed in the middle of the conveying pipe (6), the top notch (18) is located at the bottom of the fixing plate (20), the bottom of the filtering valve (19) is formed in the periphery of the bottom of the conveying pipe.
7. The sewage treatment device for heavy metal pollution according to claim 1, wherein the stirring assembly comprises a rotary table (26), the middle part of the rotary table (26) is fixedly connected to the top end of the transmission rod (4), and a stirring shaft (27) is fixedly connected to one side of the top of the rotary table (26).
8. The sewage treatment device for heavy metal pollution according to claim 1, wherein the dosing assembly comprises a cylinder body (37), the cylinder body (37) is fixedly connected to the outer side of the dosing tank (25), a piston (29) is slidably connected to the inside of the cylinder body (37), a movable rod (30) is fixedly connected to the middle of the piston (29), one end of the movable rod (30) penetrates through the cylinder body (37) and is fixedly connected with a frame (31), one side, away from the dosing tank (25), of the cylinder body (37) is fixedly connected with two vertically distributed one-way valves (32), one of the one-way valves (32) is fixedly connected with a dosing pipe (33), the bottom end of the dosing pipe (33) is fixedly connected with a one-way valve two (34), the top end of the other one-way valve one (32) is fixedly connected with a drug suction pipe (35), and the bottom end of the drug suction pipe (35) is communicated with the inside of the dosing tank (25).
9. A sewage treatment device for heavy metal pollution according to claims 6, 7 and 8, wherein the inner side of the frame (31) is slidably connected to the bottom of the periphery of the stirring shaft (27), and the second check valve (34) is fixedly connected to one side of the inside of the fixed plate (20).
10. A method of using a sewage treatment plant for heavy metal pollution according to any one of claims 1 to 9, comprising the steps of:
step one, heavy metal sewage enters the tank body (1) from a water inlet pipe (7) and flows into a conveying pipe (6), then a motor (3) is started to drive a transmission rod (4) and a spiral filter screen (5) to rotate, so that the sewage entering the conveying pipe (6) can be filtered by the spiral filter screen (5), sediment is separated and conveyed upwards, the sediment slides from the middle part of a boss (10) to a slope of the boss (10), and finally falls on the top of the tank body (1);
step two, the scraper (11) is driven to rotate along with the rotation of the transmission rod (4) to scrape sediment falling on the tops of the tank body (1) and the boss (10), the sediment is enabled to approach to the inner wall of the top shell (9) and enter the inside of the sleeve (12) under the action of centrifugal force, meanwhile, the transmission rod (4) drives the annular teeth (16) to rotate, and then the annular teeth (16) drive the rotating rod (13) and the helical blades (14) to rotate through the gear (15), so that the sediment entering the inside of the sleeve (12) is conveyed outwards and separated;
step three, simultaneously adding the medicament into the medicament adding box (25) from the medicament adding hopper (28), driving the rotary table (26) to rotate by the transmission rod (4), driving the stirring shaft (27) to circularly move, fully uniformly mixing the medicament and water, driving the frame (31) to continuously reciprocate through the movement of the stirring shaft (27), continuously reciprocating the movable rod (30) in the cylinder (37), sucking the mixed medicament in the medicament adding box (25) into the cylinder (37), pushing and compressing the mixed medicament into the medicament inlet pipe (33) by the piston (29), and finally spraying the mixed medicament into the tank (1) from the second one-way valve (34) to be contacted with sewage, and reacting with heavy metal substances to generate flocculating matters;
step four, along with the rotation of the transmission rod (4), the driving gear (23) synchronously drives the reciprocating screw rods (21) to rotate through the two driven gears (22), so that the two reciprocating screw rods (21) rotate to drive the extrusion plate (24) to move upwards, sewage continuously flows into the tank body (1) from the top notch (18) on the conveying pipe (6) to fall on the extrusion plate (24), along with the upward movement of the extrusion plate (24), the sewage can be lifted and flow into the conveying pipe (6) again from the top notch (18), at the moment, the sewage in the conveying pipe (6) enters the bottom of the extrusion plate (24) from the bottom notch (19), so that the sewage flowing back into the conveying pipe (6) circulates, and heavy metal flocculate generated at the moment can be driven by the spiral filter screen (5) to move upwards into the top shell (9), then the reciprocating screw filter screen (21) can drive the extrusion plate (24) to slowly move downwards, the sewage at the bottom can be extruded by the extrusion plate (24), the effect of the overpressure presses the sewage into the conveying pipe (6) from the bottom notch (19) to flow into the conveying pipe (6) from the bottom notch (18) to flow out of the top notch (18) from the top notch (18) when the sewage flows into the top notch (18) and flows out of the spiral filter screen (6) from the top notch (18) to the top of the conveying pipe (6) again, at this point, most of the flocs will be transported upward and thus out of the device.
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| CN202311211155.5A CN117069221A (en) | 2023-09-19 | 2023-09-19 | Sewage treatment device and treatment method for heavy metal pollution |
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| CN202311211155.5A CN117069221A (en) | 2023-09-19 | 2023-09-19 | Sewage treatment device and treatment method for heavy metal pollution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117303674A (en) * | 2023-11-28 | 2023-12-29 | 山西省城乡规划设计研究院有限公司 | Energy-saving environment-friendly industrial sewage treatment device |
| CN117401791A (en) * | 2023-12-13 | 2024-01-16 | 陕西永明煤矿有限公司 | Coal slime water treatment device for coal processing and application method thereof |
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2023
- 2023-09-19 CN CN202311211155.5A patent/CN117069221A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117303674A (en) * | 2023-11-28 | 2023-12-29 | 山西省城乡规划设计研究院有限公司 | Energy-saving environment-friendly industrial sewage treatment device |
| CN117303674B (en) * | 2023-11-28 | 2024-02-06 | 山西省城乡规划设计研究院有限公司 | Energy-saving environment-friendly industrial sewage treatment device |
| CN117401791A (en) * | 2023-12-13 | 2024-01-16 | 陕西永明煤矿有限公司 | Coal slime water treatment device for coal processing and application method thereof |
| CN117401791B (en) * | 2023-12-13 | 2024-03-08 | 陕西永明煤矿有限公司 | Coal slime water treatment device for coal processing and application method thereof |
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