CN115636503B - Sewage treatment method and device based on activated sludge process - Google Patents
Sewage treatment method and device based on activated sludge process Download PDFInfo
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- CN115636503B CN115636503B CN202211670861.1A CN202211670861A CN115636503B CN 115636503 B CN115636503 B CN 115636503B CN 202211670861 A CN202211670861 A CN 202211670861A CN 115636503 B CN115636503 B CN 115636503B
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Abstract
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method and a sewage treatment device based on an activated sludge method, which comprise a circular reservoir and a water inlet pipe communicated with the reservoir, wherein the inner side of the reservoir is fixedly connected with an inner cylinder, the inner side of the inner cylinder is provided with a floating cone in a sliding manner, the centers of the reservoir, the inner cylinder and the floating cone are concentric, the top end of the inner cylinder is provided with first water inlet grooves which are uniformly arranged, the top end of the floating cone is provided with second water inlet grooves which are uniformly arranged, the first water inlet grooves and the second water inlet grooves are inclined towards the counterclockwise direction, and the inner side of the bottom end of the reservoir is fixedly connected with a water outlet pipe; when the device is used, sewage enters the inner side of the reservoir through the water inlet pipe at a stable flow speed, firstly enters between the reservoir and the inner cylinder, and after the sewage reaches the top end of the inner cylinder, the sewage enters the inner side of the inner cylinder through the first water inlet groove and then enters the inner side of the floating cone through the second water inlet groove.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method and a sewage treatment device based on an activated sludge process.
Background
The aerobic activated sludge process is to decompose organic matters in sewage by aerobic bacteria with activated sludge as a main part, thereby realizing good treatment of pollution. The activated sludge is a visible flocculent microorganism which is composed of a plurality of types of microorganisms in the current industrial wastewater, and is mainly composed of aerobic microorganisms, wherein the bacteria in the microorganisms have the largest quantity and comprise mould, actinomycetes, saccharomycetes and the like, and the bacteria coexist in the sludge to form a more balanced ecosystem environment. In the application process, the method mainly utilizes the microorganisms to decompose and adsorb phenol and cyanide in the industrial wastewater, and decomposes organic matters in the wastewater into water and carbon dioxide through chemical action, thereby realizing the treatment of the wastewater.
For sewage with excessive CODcr, the problem of acidity and high oil content sometimes exists, under normal treatment conditions, activated sludge can generate larger extinction reaction, so that the effective strain loss rate is higher, the treatment effect cannot reach the expectation, and the acid-base value is controlled to be 7.0-8.0, so that the better sewage treatment effect can be obtained, and the sewage with excessive CODcr is required to be pretreated according to the condition; the presence of oil in oily wastewater is referred to as floating oil or emulsified oil, and thus, the oil is not only present on the surface of water, and thus, it is difficult to perform a sufficient continuous removal method.
Therefore, a sewage treatment method and a sewage treatment device based on the activated sludge process are provided for solving the problems.
Disclosure of Invention
The invention aims to provide a sewage treatment method and a sewage treatment device based on an activated sludge method, which aim to solve the problem that in the treatment process of sewage with excessive CODcr, in the prior art, in the normal treatment condition of acidic and high-oil-content sewage, activated sludge can generate a larger extinction reaction, so that the effective strain loss rate is higher, and the treatment effect is not expected, so that the sewage with excessive CODcr needs to be pretreated.
In order to achieve the purpose, the invention provides the following technical scheme:
a sewage treatment device based on an activated sludge process comprises a circular water storage tank and a water inlet pipe communicated with the water storage tank, wherein the inner side of the water storage tank is fixedly connected with an inner cylinder, a floating cone is arranged on the inner side of the inner cylinder in a sliding manner, the centers of the water storage tank, the inner cylinder and the floating cone are concentric, a first water inlet groove is uniformly formed in the top end of the inner cylinder, a second water inlet groove is uniformly formed in the top end of the floating cone, the first water inlet groove and the second water inlet groove are inclined towards the anticlockwise direction, and a drain pipe is fixedly connected to the inner side of the bottom end of the water storage tank;
under the arrangement, when the water drainage device is used, sewage enters the inner side of the water storage tank through the water inlet pipe at a stable flow speed, firstly enters between the water storage tank and the inner cylinder, enters the inner side of the inner cylinder through the first water inlet groove after reaching the top end of the inner cylinder, then enters the inner side of the floating cone through the second water inlet groove, passes through the inner side surface of the floating cone and finally enters the inner side of the water drainage pipe through the inner pipe to realize water drainage; when in use, the height of the second water inlet groove is lower than that of the first water inlet groove;
in the process, because the first water inlet groove and the second water inlet groove are inclined towards the anticlockwise direction, sewage can generate anticlockwise rotating eddy current on the inner side of the inner cylinder through the first water inlet groove and the second water inlet groove, the sewage can rotate and descend on the inner side of the floating cone, the contact time and the contact area between the sewage and the inner side of the floating cone are increased through rotation, and the activated carbon beads are arranged on the inner side of the floating cone, so that the contact time between the sewage and the activated carbon beads is prolonged, and the oil is adsorbed by utilizing the porous structure of the activated carbon beads, so that the oil removing effect is increased;
meanwhile, the activated carbon beads are arranged on the inner side of the spiral conveying pipe, the spiral conveying pipe is spirally arranged on the inner side surface of the floating cone and also rotates anticlockwise to descend, the spiral conveying pipe forms a flow channel on the inner side surface of the floating cone, and sewage passes through the flow channel and fully contacts with the activated carbon beads on the inner side surface of the floating cone through the meshed spiral conveying pipe, so that the oil removing effect is further improved;
float the inboard fixed surface of awl and be connected with spiral delivery pipe, spiral delivery pipe spirals and descends, spiral delivery pipe forms flow path at the inboard surface that floats the awl, spiral delivery pipe is netted setting, spiral delivery pipe bottom is provided with the opening, spiral delivery pipe's bottom exit is provided with the mouth of tightening, spiral delivery pipe's inboard slip is provided with the activated carbon pearl, the bottom intercommunication that floats the awl has the inner tube, the outside of inner tube and the inboard sliding connection of drain pipe.
Under the arrangement, a tightening opening is formed in the outlet at the bottom end of the spiral conveying pipe, the tightening opening is made of elastic materials, and resistance can be added to discharging of the activated carbon beads at the bottom end of the spiral conveying pipe through the tightening opening, so that the activated carbon beads are prevented from being discharged too fast, and can fully work until the adsorption effect is lost;
the sliding sequence of the activated carbon beads in the spiral conveying pipe is from top to bottom, the arrangement can ensure that the activated carbon beads can be fully used and discharged after being used;
the outer side of the inner pipe is in sliding connection with the inner side of the drain pipe, so that the height of the floating cone can be adjusted, and the sewage in the inner cylinder can be completely discharged conveniently;
according to the invention, the arranged inner cylinder is convenient for sewage to form a counterclockwise rotating vortex, and can intercept precipitates in the sewage between the reservoir and the inner cylinder to play a role in collecting garbage;
further, the bottom intercommunication of inlet tube has the distributive pipe, the bottom of distributive pipe is linked together with the inboard of cistern, the inboard fixed connection of inlet tube has the inclined plane to face the filter screen of distributive pipe, the filter screen sets up the top right side at the distributive pipe.
Under the arrangement, the bottom end of the water inlet pipe is communicated with the water diversion pipe, the inner side of the water inlet pipe is fixedly connected with the filter screen with the inclined surface facing the water diversion pipe, part of sewage in the water inlet pipe enters the inner side of the water storage tank from the water diversion pipe, and the other part of sewage enters the inner side of the mixing ring after penetrating through the filter screen from the water inlet pipe;
after a part of sewage enters the inner side of the mixing ring, the sewage is mixed with the medicinal powder discharged from the bottom end of the discharge pipe to adjust the pH value of the sewage, the pH value before the sewage is obtained through prior measurement, the flow of the water inlet pipe is also fixed, the required addition amount of the medicinal powder can be obtained through calculation, the spiral conveying rod is driven to rotate through the first motor, and stable quantitative discharging can be realized through the mode of adding the medicinal powder through the rotation of the spiral conveying rod; the quantitative discharging is realized by controlling the rotating speed of the spiral conveying rod;
the spiral conveying rod rotates to realize discharging, flake caustic soda enters the inner side of the mixing ring through the discharging pipe, and is discharged between the water storage tank and the inner barrel from the bottom end of the mixing ring after being premixed at the inner side of the mixing ring to realize adjustment of the pH value of sewage;
further, the inboard fixedly connected with of cistern mixes the material ring, it sets up the play water end downside at the inlet tube to mix the material ring, the bottom inboard of mixing the material ring is provided with the export, the inboard fixedly connected with connecting rod of export, the bottom fixedly connected with extension spring of connecting rod, the bottom fixedly connected with marble of extension spring, the marble can upwards plug up the export.
In order to realize uniform input of the medicine amount, the bottom end of the mixing ring is provided with a plurality of uniform outlets, the outlets are blocked by the tension springs and the marbles, when the water level in the mixing ring rises to enable the water pressure to rise, the medicine liquid for mixing the medicine powder can overcome the tension force of the tension springs to open the outlets and realize discharging, and the arrangement can realize synchronous discharging of the outlets; the effect of adding and mixing the medicines is increased under the coordination of the vortex at the inner side of the inner cylinder;
further, the top fixedly connected with support frame of cistern, the alkali case of top fixedly connected with piece of support frame, the inboard intercommunication in bottom of the alkali case of piece has the discharging pipe, the bottom export setting of discharging pipe is inboard at the top of mixing ring, there is the rake on the discharging pipe, the rake internal rotation of discharging pipe is provided with the auger delivery pole, the first motor of outside fixedly connected with of discharging pipe, the output of first motor and the one end fixed connection of auger delivery pole.
Under the arrangement, the rotation of the first motor can drive the spiral conveying rod to rotate, and the rotation of the spiral conveying rod can output the medicine in the caustic soda slicing box;
further, the inboard fixedly connected with vortex post of mixing ring, the toper form that vortex post is narrow about wide is seted up on the vortex post and is used for increasing the turbulent recess.
Under the arrangement, water can be discharged after the water level in the mixing ring reaches the high position of the mixing ring, under the condition, sewage can flow in the inner side of the mixing ring after falling into the mixing ring, and passes through the plurality of turbulence columns, the arrangement of the conical shape with the wide upper part and the narrow lower part on the turbulence columns can increase the uniformity degree of the sewage in the vertical direction in the mixing ring, the grooves uniformly arranged on the turbulence columns can increase the turbulence when the mixture of the sewage and the medicinal powder flows in the mixing ring, and the mixing effect of the medicinal powder and the sewage is further increased;
further, the top fixedly connected with two spacing pieces of symmetry of support frame, the inboard sliding connection of spacing piece has the carousel, the inboard screwed connection of carousel has the screw rod, the bottom and the superficial awl fixed connection of screw rod, the outside fixedly connected with stopper of screw rod, the inboard sliding connection with the outside of support frame of stopper.
Furthermore, the top fixedly connected with ring gear of carousel, the outside fixedly connected with second motor of support frame, the terminal fixedly connected with gear of main shaft of second motor, the outside of gear meshes with the outside of ring gear mutually.
Under the arrangement, the height of the floating cone can be adjusted in a mode that the second motor drives the gear to rotate, the gear rotates to drive the gear ring to rotate, the gear ring rotates to drive the turntable to rotate, the rotation of the turntable forces the screw to move up and down, and the upward or downward movement of the screw can drive the floating cone to move up or down, so that the height of the floating cone is adjusted; the limiting block is arranged for preventing the screw from rotating along with the rotation of the turntable;
further, the inboard fixedly connected with gag lever post in bottom of cistern, the outside sliding connection of gag lever post has the kicking block, the kicking block is crescent form setting, the top fixedly connected with laser range finder of kicking block, the top fixedly connected with roof of cistern, laser range finder's output direction is corresponding with the bottom of roof.
Under the arrangement, the water level in the inner barrel can be monitored and acquired, the inner barrel is provided with the limiting rod, the outer side of the limiting rod is provided with the floating block which can move up and down along with the water level, the floating block is provided with the laser range finder, the laser range finder can acquire the distance between the laser range finder and the top plate, and the water level data in the inner barrel is acquired by reading parameters on the laser range finder; the height position of the floating cone is adjusted, wherein the floating block is arranged in a crescent shape, so that the resistance of the floating block to water flowing in the inner cylinder in an anticlockwise rotating manner can be reduced, and the influence of the floating block on sewage eddy is reduced;
further, the outside fixedly connected with active carbon pearl case of screw rod, the bottom and the top of auger delivery pipe of active carbon pearl case are linked together, the inboard fixedly connected with electric putter of active carbon pearl case, electric putter's bottom fixedly connected with clamp plate, the clamp plate can be downwards with the active carbon pearl spiral delivery pipe of impressing, the active carbon pearl slightly is less than auger delivery pipe's inboard diameter.
Under the arrangement, the feeding and the replacement of the activated carbon beads in the spiral conveying pipe can be realized by controlling the extension and retraction of the electric push rod, the adsorption effect of the activated carbon beads in the spiral conveying pipe is maintained, when the electric push rod is pressed downwards, the pressing plate is squeezed into the inner side of the top end of the spiral conveying pipe, new activated carbon beads are fed in, the activated carbon beads at the bottom end are ejected out of a tightening opening and are discharged along with sewage, when the electric push rod moves upwards, the activated carbon beads at the bottom end of the pressing plate are supplemented from one side, the bottom end of the pressing plate can be arranged in a concave shape, the activated carbon beads are prevented from moving towards one side when being pressed downwards, and the arrangement that the diameter of the activated carbon beads is slightly smaller than the diameter of the inner side of the spiral conveying pipe is used for increasing the stability of the activated carbon beads during cyclic updating.
A method for using a sewage treatment device based on an activated sludge process comprises the following steps;
step a, enabling sewage to enter the inner side of the reservoir at a stable flow rate through the water inlet pipe, and enabling the sewage to generate an anticlockwise rotating vortex on the inner side of the inner cylinder through the first water inlet groove and the second water inlet groove;
b, driving a spiral conveying rod to rotate through a first motor, enabling flake caustic soda to enter the inner side of a mixing ring through a discharge pipe, pre-mixing the flake caustic soda in the inner side of the mixing ring, and discharging the flake caustic soda to a position between a reservoir and an inner barrel from the bottom end of the mixing ring to adjust the pH value of sewage;
c, feeding and replacing the activated carbon beads in the spiral conveying pipe by controlling the stretching of the electric push rod, and maintaining the adsorption effect of the activated carbon beads in the spiral conveying pipe;
d, monitoring the water level in the inner cylinder by arranging a laser range finder on the floating block;
and e, the second motor drives the gear to rotate, the gear rotates to drive the toothed ring to rotate, the toothed ring rotates to drive the rotary table to rotate, the rotary table rotates to force the screw rod to move up and down, and the upward or downward movement of the screw rod can drive the floating cone to move up or down, so that the height of the floating cone is adjusted.
Compared with the prior art, the invention has the beneficial effects that:
1. when the sewage treatment device based on the activated sludge method is used, sewage enters the inner side of the water storage tank through the water inlet pipe at a stable flow speed, firstly enters between the water storage tank and the inner cylinder, enters the inner side of the inner cylinder through the first water inlet groove after reaching the top end of the inner cylinder, then enters the inner side of the floating cone through the second water inlet groove, and finally enters the inner side of the water drainage pipe through the inner pipe after passing through the inner side surface of the floating cone to realize water drainage; when in use, the height of the second water inlet groove is lower than that of the first water inlet groove; in the process, because the first water inlet tank and the second water inlet tank are inclined towards the anticlockwise direction, sewage can generate anticlockwise rotating vortex on the inner side of the inner barrel through the first water inlet tank and the second water inlet tank, the sewage can rotate and descend on the inner side of the floating cone, the contact time and the contact area between the sewage and the inner side of the floating cone are increased through rotation, and the activated carbon beads are arranged on the inner side of the floating cone, so that the contact time between the sewage and the activated carbon beads is prolonged, and the oil is adsorbed by utilizing the porous structure of the activated carbon beads, so that the oil removing effect is increased;
2. according to the sewage treatment device based on the activated sludge method, the activated carbon beads are arranged on the inner side of the spiral conveying pipe, the spiral conveying pipe is spirally arranged on the inner side surface of the floating cone and also rotates anticlockwise to descend, the spiral conveying pipe forms a flow channel on the inner side surface of the floating cone, and sewage can fully contact with the activated carbon beads on the inner side surface of the floating cone through the meshed spiral conveying pipe when passing through the flow channel, so that the oil removing effect is further improved;
3. according to the sewage treatment device based on the activated sludge method, the outlet at the bottom end of the spiral conveying pipe is provided with the tightening port, the tightening port is made of elastic materials, resistance can be added to discharging of activated carbon beads at the bottom end of the spiral conveying pipe through the tightening port, the activated carbon beads are prevented from being discharged too fast, and the activated carbon beads can fully work until the adsorption effect is lost; the sliding sequence of the activated carbon beads in the spiral conveying pipe is from top to bottom, the activated carbon beads can be fully used by the arrangement, and the activated carbon beads are discharged after being used;
3. according to the sewage treatment device based on the activated sludge method, the inner cylinder is arranged, on one hand, sewage can conveniently form an anticlockwise rotating vortex, on the other hand, sediment in the sewage can be intercepted between the water storage tank and the inner cylinder, and the function of collecting garbage is achieved;
4. according to the sewage treatment device based on the activated sludge method, the bottom end of a water inlet pipe is communicated with a water diversion pipe, the inner side of the water inlet pipe is fixedly connected with a filter screen with an inclined surface facing the water diversion pipe, a part of sewage in the water inlet pipe enters the inner side of a reservoir from the water diversion pipe, a part of sewage in the water inlet pipe enters the inner side of a mixing ring after penetrating through the filter screen from the water inlet pipe, the filter screen is arranged in an inclined manner, and the inclined surface faces the water diversion pipe, so that solid garbage can be prevented from being accumulated at the inclined surface, and the garbage can enter the inner side of the reservoir from the water diversion pipe;
5. according to the sewage treatment device based on the activated sludge method, after a part of sewage enters the inner side of the mixing ring, the sewage is mixed with the medicinal powder discharged from the bottom end of the discharge pipe to adjust the pH value of the sewage, the pH value before the sewage is obtained through previous measurement, the flow of the water inlet pipe is fixed, the required medicinal powder addition amount can be obtained through calculation, the spiral conveying rod is driven to rotate through the first motor, and stable quantitative discharging can be realized through the mode that the medicinal powder is added through the rotation of the spiral conveying rod; the quantitative discharging is realized by controlling the rotating speed of the spiral conveying rod; the spiral conveying rod rotates to realize discharging, flake caustic soda enters the inner side of the mixing ring through the discharging pipe, and is discharged between the water storage tank and the inner barrel from the bottom end of the mixing ring after being premixed at the inner side of the mixing ring to realize adjustment of the pH value of sewage;
6. according to the sewage treatment device based on the activated sludge method, in order to realize uniform input of the dosage, the bottom end of the mixing ring is provided with a plurality of uniform outlets, the outlets are shielded by the tension springs and the marble, when the water level in the mixing ring rises to enable the water pressure to rise, the liquid medicine for mixing the medicine powder can overcome the tension force of the tension springs to open the outlets and realize discharging, and the arrangement can realize synchronous discharging of the outlets; the effect of adding and mixing the medicines is increased under the coordination of the vortex at the inner side of the inner cylinder;
7. according to the sewage treatment device based on the activated sludge method, water can be discharged after the water level in the mixing ring reaches the high position of the mixing ring, under the condition, sewage can flow in the mixing ring after falling into the mixing ring, and passes through the plurality of turbulence columns, the arrangement of the conical shape with the wide upper part and the narrow lower part on the turbulence columns can increase the uniformity degree of the sewage in the vertical direction in the mixing ring, the grooves uniformly arranged on the turbulence columns can increase the turbulence when the mixture of the sewage and the medicinal powder flows in the mixing ring, and the mixing effect of the medicinal powder and the sewage is further increased;
8. the sewage treatment device based on the activated sludge process can monitor and acquire the water level in the inner cylinder, is provided with the limiting rod, the outer side of the limiting rod is provided with the floating block which can move up and down along with the water level, the floating block is provided with the laser range finder, the laser range finder can obtain the distance between the laser range finder and the top plate, and the water level data in the inner cylinder is obtained by reading the parameters on the laser range finder; the height position of the floating cone is adjusted, wherein the floating block is arranged in a crescent shape, so that the resistance of the floating block to water flowing in the inner cylinder in an anticlockwise rotating manner can be reduced, and the influence of the floating block on sewage eddy is reduced;
9. the invention relates to a sewage treatment device based on an activated sludge method, which can realize the feeding and replacement of activated carbon beads in a spiral conveying pipe by controlling the expansion and contraction of an electric push rod, maintain the adsorption effect of the activated carbon beads in the spiral conveying pipe, when the electric push rod is pressed down, a press plate is extruded into the inner side of the top end of the spiral conveying pipe, new activated carbon beads are fed, an activated carbon bead ejection tightening opening at the bottom end is discharged along with sewage, when the electric push rod moves upwards, the activated carbon beads at the bottom end of the press plate are supplemented by one side, the bottom end of the press plate can be provided with an inward concave shape, the activated carbon beads are prevented from moving to one side when being pressed down, and the arrangement that the activated carbon beads are slightly smaller than the inner diameter of the spiral conveying pipe is used for increasing the stability of the activated carbon beads during cyclic update.
Drawings
FIG. 1 is a schematic view of the overall appearance mounting structure of the present invention;
FIG. 2 is a schematic view of a mounting structure at a top view of the floating cone of the present invention;
FIG. 3 is a schematic view of the external installation structure of the floating cone of the present invention;
FIG. 4 is a schematic view of the external structure of the spiral conveying pipe of the invention;
FIG. 5 is a schematic view of a sectional mounting structure at the floating cone of the present invention;
FIG. 6 is a schematic view of the mounting structure of FIG. 5 of the present invention at C;
fig. 7 is a schematic view of the top mounting arrangement at the reservoir and inner cartridge of the present invention;
FIG. 8 is a schematic view of the internal installation structure of the activated carbon bead box of the present invention;
FIG. 9 is a schematic view of the internal cross-sectional mounting structure at the mixing ring of the present invention;
FIG. 10 is a schematic view of the mounting arrangement of FIG. 9 at A in accordance with the present invention;
FIG. 11 is a schematic view of the mounting structure at the screw feed rod of the present invention;
fig. 12 is a schematic view of an overall sectional mounting structure of the interior of the water reservoir of the present invention;
FIG. 13 is a schematic view of the mounting structure at the floating block of the present invention;
FIG. 14 is a schematic view of the structure of the turbulence column of the present invention;
FIG. 15 is a schematic view of the mounting structure of FIG. 12 at B in accordance with the present invention;
fig. 16 is a schematic view of a top-down mounting structure of the turbulence column in the mixing ring.
In the figure: 1. a reservoir; 2. a water inlet pipe; 2a, a filter screen; 3. a water diversion pipe; 4. a first motor; 5. a support frame; 6. a flake caustic box; 7. a discharge pipe; 8. a limiting block; 9. a screw; 10. a turntable; 11. a toothed ring; 12. a gear; 13. a second motor; 14. a limiting sheet; 15. an activated carbon bead box; 16. floating cones; 17. an inner barrel; 18. a drain pipe; 19. a first water inlet tank; 20. a spiral conveying pipe; 21. tightening the opening; 22. a marble; 23. a connecting rod; 24. a tension spring; 25. a second water inlet tank; 26. activated carbon beads; 27. an inner tube; 28. a turbulence column; 29. floating blocks; 30. a mixing ring; 31. a laser range finder; 32. a limiting rod; 33. a groove; 34. a top plate; 35. a flow channel; 36. an electric push rod; 37. pressing a plate; 38. a screw conveying rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-12, the present invention provides a technical solution:
a sewage treatment device based on an activated sludge method comprises a circular water storage tank 1 and a water inlet pipe 2 communicated with the water storage tank 1, wherein the inner side of the water storage tank 1 is fixedly connected with an inner cylinder 17, the inner side of the inner cylinder 17 is provided with a floating cone 16 in a sliding manner, the centers of the water storage tank 1, the inner cylinder 17 and the floating cone 16 are concentric, the top end of the inner cylinder 17 is provided with first water inlet grooves 19 which are uniformly arranged, the top end of the floating cone 16 is provided with second water inlet grooves 25 which are uniformly arranged, the first water inlet grooves 19 and the second water inlet grooves 25 are both inclined towards the counterclockwise direction, and the inner side of the bottom end of the water storage tank 1 is fixedly connected with a water outlet pipe 18;
under the arrangement, when the invention is used, sewage enters the inner side of the reservoir 1 through the water inlet pipe 2 at a stable flow speed, firstly enters between the reservoir 1 and the inner cylinder 17, enters the inner side of the inner cylinder 17 through the first water inlet groove 19 after reaching the top end of the inner cylinder 17, then enters the inner side of the floating cone 16 through the second water inlet groove 25, and finally enters the inner side of the drain pipe 18 through the inner pipe 27 to realize drainage after passing through the inner side surface of the floating cone 16; when in use, the height of the second water inlet groove 25 is lower than that of the first water inlet groove 19;
in the process, because the first water inlet groove 19 and the second water inlet groove 25 are both inclined towards the counterclockwise direction, sewage can generate a counterclockwise rotating vortex on the inner side of the inner cylinder 17 through the first water inlet groove 19 and the second water inlet groove 25, the sewage can rotate and descend on the inner side of the floating cone 16, the contact time and the contact area between the sewage and the inner side of the floating cone 16 are increased through rotation, and the activated carbon beads 26 are arranged on the inner side of the floating cone 16, so that the contact time between the sewage and the activated carbon beads 26 is prolonged, and the oil is adsorbed by utilizing the porous structure of the activated carbon beads 26, so that the effect of increasing the oil removal effect is achieved;
meanwhile, the activated carbon beads 26 are arranged on the inner side of the spiral conveying pipe 20, the spiral conveying pipe 20 is spirally arranged on the inner side surface of the floating cone 16, the spiral conveying pipe 20 also rotates anticlockwise and descends, the spiral conveying pipe 20 forms a flow channel 35 on the inner side surface of the floating cone 16, and sewage passes through the flow channel 35 and fully contacts with the activated carbon beads 26 on the inner side surface of the floating cone 16 through the net-shaped spiral conveying pipe 20, so that the oil removing effect is further increased;
the inside fixed surface of superficial awl 16 is connected with spiral delivery pipe 20, spiral delivery pipe 20 spirals and descends, spiral delivery pipe 20 forms flow channel 35 at the inside surface of superficial awl 16, spiral delivery pipe 20 is netted setting, spiral delivery pipe 20 bottom is provided with the opening, the bottom exit of spiral delivery pipe 20 is provided with the mouth of tightening 21, spiral delivery pipe 20's inboard slides and is provided with activated carbon pearl 26, the bottom intercommunication of superficial awl 16 has inner tube 27, the outside of inner tube 27 and the inboard sliding connection of drain pipe 18.
Under the above arrangement, the outlet at the bottom end of the spiral conveying pipe 20 is provided with the tightening port 21, the tightening port 21 is made of an elastic material, and the arrangement of the tightening port 21 can increase a resistance to the discharging of the activated carbon beads 26 at the bottom end of the spiral conveying pipe 20, so as to prevent the activated carbon beads 26 from falling too fast, so that the activated carbon beads 26 can fully work until the adsorption effect is lost;
the sliding sequence of the activated carbon beads 26 in the spiral conveying pipe 20 is from top to bottom, and the arrangement enables the activated carbon beads 26 to be fully used and discharged after being used;
the outer side of the inner pipe 27 is slidably connected with the inner side of the drain pipe 18, so that the height of the floating cone 16 can be adjusted, and the sewage in the inner cylinder 17 can be completely discharged conveniently;
in the invention, the arranged inner cylinder 17 is convenient for sewage to form a counterclockwise rotating vortex on one hand, and can intercept sediments in the sewage between the reservoir 1 and the inner cylinder 17 on the other hand, thereby playing a role in collecting garbage;
example 2
This embodiment is a further improvement of embodiment 1, please refer to fig. 1-12,
the bottom intercommunication of inlet tube 2 has distributive pipe 3, and the bottom of distributive pipe 3 is linked together with the inboard of cistern 1, and the inboard fixed connection of inlet tube 2 has the inclined plane to face filter screen 2a of distributive pipe 3, and filter screen 2a sets up the top right side at distributive pipe 3.
Under the arrangement, the bottom end of the water inlet pipe 2 is communicated with the water diversion pipe 3, the inner side of the water inlet pipe 2 is fixedly connected with the filter screen 2a of which the inclined surface faces the water diversion pipe 3, a part of sewage in the water inlet pipe 2 enters the inner side of the water storage tank 1 from the water diversion pipe 3, a part of sewage penetrates through the filter screen 2a from the water inlet pipe 2 and then enters the inner side of the mixing ring 30, the filter screen 2a is obliquely arranged, and the inclined surface faces the water diversion pipe 3, so that solid garbage can be prevented from being accumulated at the position, and the garbage enters the inner side of the water storage tank 1 from the water diversion pipe 3;
after a part of sewage enters the inner side of the material mixing ring 30, the sewage is mixed with the medicinal powder discharged from the bottom end of the discharge pipe 7 to adjust the pH value of the sewage, the pH value before the sewage is obtained through measurement in advance, the flow of the water inlet pipe 2 is also fixed, the required medicinal powder addition amount can be obtained through calculation, the first motor 4 drives the spiral conveying rod 38 to rotate, and stable quantitative discharge can be realized through the manner that the medicinal powder is added through the rotation of the spiral conveying rod 38; the quantitative discharging is realized by controlling the rotating speed of the spiral conveying rod 38;
the spiral conveying rod 38 rotates to realize discharging, the flake caustic soda enters the inner side of the mixing ring 30 through the discharging pipe 7, and is discharged to a position between the reservoir 1 and the inner barrel 17 from the bottom end of the mixing ring 30 after being pre-mixed at the inner side of the mixing ring 30 to realize adjustment of the pH value of the sewage;
example 3
This embodiment is a further improvement of embodiment 1, please refer to fig. 1-12,
further, the inboard fixedly connected with of cistern 1 mixes material ring 30, and mixing ring 30 sets up the play water end downside at inlet tube 2, and mixing ring 30's bottom inboard is provided with the export, the inboard fixedly connected with connecting rod 23 of export, the bottom fixedly connected with extension spring 24 of connecting rod 23, the bottom fixedly connected with marble 22 of extension spring 24, marble 22 can upwards block up the export.
In order to realize uniform input of the medicine amount, the bottom end of the mixing ring 30 is provided with a plurality of uniform outlets, the outlets are shielded by the tension spring 24 and the marble 22, when the water level in the mixing ring 30 rises to enable the water pressure to rise, the medicine liquid for mixing the medicine powder can overcome the tension of the tension spring 24 to open the outlets and realize discharging, and the arrangement can realize synchronous discharging of the outlets; and the effect of adding and mixing the medicine is increased under the coordination of the vortex at the inner side of the inner cylinder 17;
further, the top fixedly connected with support frame 5 of cistern 1, the top fixedly connected with piece alkali case 6 of support frame 5, the inboard intercommunication in bottom of piece alkali case 6 has discharging pipe 7, the bottom export setting of discharging pipe 7 is inboard at the top of compounding ring 30, there is the rake on the discharging pipe 7, the rake internal rotation of discharging pipe 7 is provided with auger delivery pole 38, the first motor 4 of outside fixedly connected with of discharging pipe 7, the output of first motor 4 and the one end fixed connection of auger delivery pole 38.
Under the above setting, the rotation of the first motor 4 will drive the screw conveying rod 38 to rotate, and the rotation of the screw conveying rod 38 will output the medicine in the caustic soda flake box 6;
example 4
This embodiment is a further improvement of embodiment 1, please refer to fig. 1-12 and 16,
further, the inner side of the mixing ring 30 is fixedly connected with a turbulence column 28, the turbulence column 28 is in a conical shape with a wide upper part and a narrow lower part, and a groove 33 for increasing turbulence is formed in the turbulence column 28.
Under the above arrangement, since the water level in the mixing ring 30 reaches the high position of the mixing ring 30, the water is discharged, in this case, the sewage falls into the mixing ring 30 and flows inside the mixing ring 30, and passes through the plurality of turbulence columns 28, the arrangement of the cone-shaped structure with wide upper part and narrow lower part of the turbulence columns 28 can increase the uniformity of the sewage in the mixing ring 30 in the vertical direction, and the grooves 33 uniformly arranged on the turbulence columns 28 can increase the turbulence of the mixture of the sewage and the medicine powder when the mixture flows in the mixing ring 30, thereby further increasing the mixing effect of the medicine powder and the sewage;
example 5
This embodiment is a further improvement of embodiment 1, please refer to fig. 1-12,
further, the top end of the support frame 5 is fixedly connected with two symmetrical limiting pieces 14, the inner side of each limiting piece 14 is connected with a turntable 10 in a sliding mode, the inner side of each turntable 10 is spirally connected with a screw rod 9, the bottom end of each screw rod 9 is fixedly connected with a floating cone 16, the outer side of each screw rod 9 is fixedly connected with a limiting block 8, and the inner side of each limiting block 8 is connected with the outer side of the support frame 5 in a sliding mode.
Further, a gear ring 11 is fixedly connected to the top end of the rotary table 10, a second motor 13 is fixedly connected to the outer side of the support frame 5, a gear 12 is fixedly connected to the tail end of a main shaft of the second motor 13, and the outer side of the gear 12 is meshed with the outer side of the gear ring 11.
Under the above setting, the height of the floating cone 16 can be adjusted by the present invention, and the adjustment mode is that the second motor 13 drives the gear 12 to rotate, the rotation of the gear 12 drives the toothed ring 11 to rotate, the rotation of the toothed ring 11 drives the rotary table 10 to rotate, the rotation of the rotary table 10 forces the screw rod 9 to move up and down, the upward or downward movement of the screw rod 9 can drive the floating cone 16 to move up or down, so as to adjust the height of the floating cone 16; the limiting block 8 is arranged for preventing the screw 9 from rotating along with the rotation of the turntable 10;
example 6
This embodiment is a further improvement of embodiment 1, please refer to fig. 1-16,
the inboard fixedly connected with gag lever post 32 in bottom of cistern 1, the outside sliding connection of gag lever post 32 has floating block 29, and floating block 29 is crescent setting, and the top fixedly connected with laser range finder 31 of floating block 29, the top fixedly connected with roof 34 of cistern 1, the output direction of laser range finder 31 is corresponding with the bottom of roof 34.
Under the arrangement, the invention can realize the monitoring and acquisition of the water level in the inner cylinder 17, the invention is provided with a limiting rod 32, the outer side of the limiting rod 32 is provided with a floating block 29 which can move up and down along with the water level, the floating block 29 is provided with a laser range finder 31, the laser range finder 31 can obtain the distance between the laser range finder 31 and a top plate 34, and the water level data in the inner cylinder 17 can be obtained by reading the parameters on the laser range finder 31; the height position of the floating cone 16 is adjusted, wherein the floating block 29 is arranged in a crescent shape, so that the resistance of the floating block 29 to water flowing in the inner cylinder 17 in a counterclockwise rotating manner can be reduced, and the influence of the floating block 29 on sewage eddy is reduced;
example 7
This embodiment is a further improvement of embodiment 1, please refer to fig. 1-12,
the outside fixedly connected with activated carbon pearl case 15 of screw rod 9, the bottom of activated carbon pearl case 15 is linked together with spiral delivery pipe 20's top, activated carbon pearl case 15's inboard fixedly connected with electric putter 36, electric putter 36's bottom fixedly connected with clamp plate 37, clamp plate 37 can be downwards with activated carbon pearl 26 the spiral delivery pipe 20 of impressing, activated carbon pearl 26 slightly is less than spiral delivery pipe 20's inboard diameter.
Under the above arrangement, the present invention can realize the discharging and replacement of the activated carbon beads 26 in the spiral conveying pipe 20 by controlling the extension and retraction of the electric push rod 36, and maintain the adsorption effect of the activated carbon beads 26 in the spiral conveying pipe 20, when the electric push rod 36 is pressed down, the press plate 37 is squeezed into the inside of the top end of the spiral conveying pipe 20, and new activated carbon beads 26 are fed in, the activated carbon beads 26 at the bottom end are pushed out of the tightening port 21 and discharged with sewage, when the electric push rod 36 moves upward, the activated carbon beads 26 at the bottom end of the press plate 37 are supplemented from one side, the bottom end of the press plate 37 can be provided with an inward concave shape, so as to prevent the activated carbon beads 26 from moving to one side when pressed down, and the diameter of the activated carbon beads 26 is slightly smaller than the inside diameter of the spiral conveying pipe 20, so as to increase the stability of the activated carbon beads 26 when the activated carbon beads are circularly updated.
The invention also discloses a use method of the sewage treatment device based on the activated sludge process, which comprises the following steps of;
step a, enabling sewage to enter the inner side of the reservoir 1 through the water inlet pipe 2 at a stable flow speed, and enabling the sewage to generate a counterclockwise rotating vortex on the inner side of the inner cylinder 17 through the first water inlet groove 19 and the second water inlet groove 25;
b, driving a spiral conveying rod 38 to rotate through a first motor 4, enabling the caustic soda flakes to enter the inner side of the mixing ring 30 through a discharge pipe 7, pre-mixing the caustic soda flakes in the inner side of the mixing ring 30, and discharging the caustic soda flakes to a position between the reservoir 1 and the inner barrel 17 from the bottom end of the mixing ring 30 to adjust the pH value of the sewage;
c, feeding and replacing the activated carbon beads 26 in the spiral conveying pipe 20 by controlling the stretching of the electric push rod 36, and maintaining the adsorption effect of the activated carbon beads 26 in the spiral conveying pipe 20;
d, monitoring the water level in the inner cylinder 17 by arranging the laser range finder 31 on the floating block 29;
and e, the second motor 13 drives the gear 12 to rotate, the gear 12 rotates to drive the gear ring 11 to rotate, the gear ring 11 rotates to drive the turntable 10 to rotate, the rotation of the turntable 10 forces the screw 9 to move up and down, and the upward or downward movement of the screw 9 can drive the floating cone 16 to move up or down, so that the height of the floating cone 16 is adjusted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 utility model provides a sewage treatment plant based on activated sludge process, includes inlet tube (2) that circular cistern (1) and cistern (1) are linked together, its characterized in that: the inner side of the water storage tank (1) is fixedly connected with an inner barrel (17), a floating cone (16) is arranged on the inner side of the inner barrel (17) in a sliding mode, the centers of the water storage tank (1), the inner barrel (17) and the floating cone (16) are concentric, first water inlet grooves (19) are uniformly formed in the top end of the inner barrel (17), second water inlet grooves (25) are uniformly formed in the top end of the floating cone (16), the first water inlet grooves (19) and the second water inlet grooves (25) incline towards the counterclockwise direction, and a drain pipe (18) is fixedly connected to the inner side of the bottom end of the water storage tank (1);
float inboard fixed surface who bores (16) and be connected with spiral delivery pipe (20), spiral delivery pipe (20) spiral and descend, spiral delivery pipe (20) form flow channel (35) at the inboard surface that floats bores (16), spiral delivery pipe (20) are netted setting, spiral delivery pipe (20) bottom is provided with the opening, the bottom exit of spiral delivery pipe (20) is provided with tightens up mouth (21), the inboard slip of spiral delivery pipe (20) is provided with activated carbon pearl (26), the bottom intercommunication that floats bores (16) has inner tube (27), the outside of inner tube (27) and the inboard sliding connection of drain pipe (18).
2. The sewage treatment apparatus based on the activated sludge process according to claim 1, wherein: the bottom intercommunication of inlet tube (2) has distributive pipe (3), the bottom of distributive pipe (3) is linked together with the inboard of cistern (1), the inboard fixed connection of inlet tube (2) has filter screen (2 a) of inclined plane orientation distributive pipe (3), filter screen (2 a) set up the top right side at distributive pipe (3).
3. The sewage treatment apparatus based on the activated sludge process according to claim 2, wherein: the inboard fixedly connected with of cistern (1) mixes material ring (30), mix material ring (30) set up the play water end downside at inlet tube (2), the bottom inboard of mixing material ring (30) is provided with the export, the inboard fixedly connected with connecting rod (23) of export, the bottom fixedly connected with extension spring (24) of connecting rod (23), the bottom fixedly connected with marble (22) of extension spring (24), marble (22) can upwards be blockked up the export.
4. The sewage treatment apparatus based on the activated sludge process according to claim 3, wherein: the top fixedly connected with support frame (5) of cistern (1), the alkaline case of top fixedly connected with piece (6) of support frame (5), the inboard intercommunication in bottom of the alkaline case of piece (6) has discharging pipe (7), the bottom export setting of discharging pipe (7) is inboard in the top of compounding ring (30), there is the rake on discharging pipe (7), the rake of discharging pipe (7) is provided with spiral conveying pole (38), the first motor of outside fixedly connected with (4) of discharging pipe (7), the output of first motor (4) and the one end fixed connection of spiral conveying pole (38).
5. The sewage treatment apparatus based on the activated sludge process according to claim 4, wherein: the inner side of the mixing ring (30) is fixedly connected with a turbulence column (28), the turbulence column (28) is in a conical shape with a wide upper part and a narrow lower part, and a groove (33) for increasing turbulence is formed in the turbulence column (28).
6. The sewage treatment apparatus based on the activated sludge process according to any one of claims 4 to 5, wherein: spacing piece (14) of two symmetries of top fixedly connected with of support frame (5), the inboard sliding connection of spacing piece (14) has carousel (10), the inboard screwed connection of carousel (10) has screw rod (9), the bottom and the superficial awl (16) fixed connection of screw rod (9), the outside fixedly connected with stopper (8) of screw rod (9), the inboard outside sliding connection with support frame (5) of stopper (8).
7. The sewage treatment apparatus based on the activated sludge process according to claim 6, wherein: the top fixedly connected with ring gear (11) of carousel (10), the outside fixedly connected with second motor (13) of support frame (5), the terminal fixedly connected with gear (12) of main shaft of second motor (13), the outside of gear (12) meshes with the outside of ring gear (11) mutually.
8. The sewage treatment apparatus based on the activated sludge process according to claim 7, wherein: the inboard fixedly connected with gag lever post (32) in bottom of cistern (1), the outside sliding connection of gag lever post (32) has floating block (29), floating block (29) are the setting of crescent, the top fixedly connected with laser range finder (31) of floating block (29), the top fixedly connected with roof (34) of cistern (1), the output direction of laser range finder (31) is corresponding with the bottom of roof (34).
9. The sewage treatment apparatus based on the activated sludge process according to claim 8, wherein: the outside fixedly connected with activated carbon pearl case (15) of screw rod (9), the bottom of activated carbon pearl case (15) is linked together with the top of auger delivery pipe (20), the inboard fixedly connected with electric putter (36) of activated carbon pearl case (15), the bottom fixedly connected with clamp plate (37) of electric putter (36), spiral delivery pipe (20) can be impressed activated carbon pearl (26) downwards in clamp plate (37), activated carbon pearl (26) slightly is less than the inboard diameter of auger delivery pipe (20).
10. A method for using the sewage treatment apparatus based on the activated sludge process according to claim 9, characterized in that: the method comprises the following steps of;
step a, enabling sewage to enter the inner side of the reservoir (1) through the water inlet pipe (2) at a stable flow rate, and enabling the sewage to generate a counterclockwise rotating vortex in the inner side of the inner cylinder (17) through the first water inlet groove (19) and the second water inlet groove (25);
b, driving a spiral conveying rod (38) to rotate through a first motor (4), enabling caustic soda flakes to enter the inner side of a mixing ring (30) through a discharge pipe (7), pre-mixing the caustic soda flakes at the inner side of the mixing ring (30), and discharging the caustic soda flakes to a position between a reservoir (1) and an inner barrel (17) from the bottom end of the mixing ring (30) to adjust the pH value of the sewage;
c, feeding and replacing the activated carbon beads (26) in the spiral conveying pipe (20) by controlling the stretching of the electric push rod (36), and maintaining the adsorption effect of the activated carbon beads (26) in the spiral conveying pipe (20);
d, monitoring the water level in the inner cylinder (17) by arranging a laser range finder (31) on the floating block (29);
and e, the second motor (13) drives the gear (12) to rotate, the gear (12) rotates to drive the toothed ring (11) to rotate, the toothed ring (11) rotates to drive the turntable (10) to rotate, the rotation of the turntable (10) forces the screw rod (9) to move up and down, and the upward or downward movement of the screw rod (9) can drive the floating cone (16) to move up or down, so that the height of the floating cone (16) is adjusted.
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