CN110668669B - Mud-water separation system - Google Patents
Mud-water separation system Download PDFInfo
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- CN110668669B CN110668669B CN201910920267.5A CN201910920267A CN110668669B CN 110668669 B CN110668669 B CN 110668669B CN 201910920267 A CN201910920267 A CN 201910920267A CN 110668669 B CN110668669 B CN 110668669B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- Water Supply & Treatment (AREA)
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- General Chemical & Material Sciences (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a mud-water separation system, which relates to the technical field of mud-water separation, and the technical scheme is as follows: including the dummy sump that communicates the setting in proper order, the flocculation basin, the pressure filter, be provided with first screening plant in the dummy sump, it has the delivery pump still to communicate in proper order between dummy sump and the flocculation basin, second screening plant, spiral sorting machine includes thin material export and coarse fodder export, thin material export communicates to the flocculation basin, the delivery pump pumps the mud in the dummy sump to second screening plant, large granule silt is discharged from second screening plant's first export, medium and small granule silt and water are discharged to spiral sorting machine through the second export of lower extreme, separate medium and small granule silt through spiral sorting machine, make small granule silt and water discharge to the flocculation basin. When the mud-water separation system is used, silt in the mud-water is screened layer by layer, so that the silt in the mud-water is directly graded according to sizes, middle sizes and small sizes, the silt can be graded during mud-water separation, and the mud-water separation is more convenient.
Description
Technical Field
The invention relates to the technical field of mud-water separation, in particular to a mud-water separation system.
Background
With the rapid development of national economy in coastal areas of China, the demand of living construction land is suddenly increased, so that the reclamation area is continuously enlarged, and the demand of reclamation construction in reclamation projects on sand and soil materials is increasingly increased. However, sand resources are increasingly in short supply in hydraulic fill construction.
However, a large amount of tidal marsh mud exists outside the enclosed area, which not only harms the marine ecological environment, but also causes potential safety hazards in reclamation projects. Meanwhile, dredging mud in river and channel dredging engineering cannot be effectively solved, most of the dredging mud is treated by being abandoned in land dumping areas or low-lying areas, but the land formed by the dredging mud is very weak and is difficult to develop and utilize.
Therefore, the mud-water separation technology comes into force, and the mud in the mud is extracted by separating the water in the mud, so that the mud in the mud can be reused.
For example, chinese patent No. CN105923970A discloses a mud-water separation system, which includes a mud tank for pretreating mud; the screening equipment is arranged in the slurry box and used for filtering large-particle solids in the slurry; the waste slag tank is used for storing large granular solids filtered by the screening equipment; the stirring barrel is connected with the screening equipment, receives the slurry with large granular solids filtered out, and stirs the slurry after adding the slurry treatment agent; the mud separation equipment is communicated with the stirring barrel and used for receiving the mixture of the mud and the medicament, settling the mud in the mixture and discharging the clear water on the upper layer; and the filter pressing equipment is connected behind the slurry separation equipment and is used for carrying out filter pressing on the sludge from the slurry separation equipment so as to further discharge clear water from the sludge to form a sludge cake.
When the mud-water separation system is adopted, when mud-water separation is carried out on mud with high viscosity, the mud-water separation system can not classify the mud-water due to the fact that the mud-water content in the mud is high, and the separated mud-water can be accumulated together only by the filter pressing equipment for filter pressing, and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a mud-water separation system which has the advantage that mud can be classified during mud-water separation.
In order to achieve the purpose, the invention provides the following technical scheme:
a mud-water separation system comprises a discharge pond, a flocculation tank and a filter press which are sequentially communicated, wherein a first screening device is arranged in the discharge pond, a conveying pump, a second screening device and a spiral sorting machine are sequentially communicated between the discharge pond and the flocculation tank, the spiral sorting machine comprises a fine material outlet and a coarse material outlet, and the fine material outlet is communicated to the flocculation tank; the mud in the pond of will unloading is pumped to second screening plant to the delivery pump, and large granule silt is discharged from the first export of second screening plant, and medium and small granule silt and water are discharged to spiral sorting machine through the second export of lower extreme, further separates medium and small granule silt through spiral sorting machine for small granule silt and water are discharged to the flocculation basin.
Through the technical scheme, when mud-water separation is carried out to mud as required, earlier empty mud to the pond of unloading in, then sieve the debris in mud through first screening plant in the pond of unloading, then mud after the screening passes through the delivery pump and pumps to second screening plant, sieve large granule silt and middle and small granule silt in with the mud through second screening plant, water mainly discharges to spiral classifier through the second export with middle and small granule silt this moment, then separate middle and small granule silt and fine silt through spiral classifier, make small granule silt and water discharge to the flocculation basin in through the fine material export, make small granule silt flocculate through adding the medicine stirring this moment, let in the muddy water in the flocculation basin at last the pressure filter and carry out further separation, make fine silt and water separation.
Through setting up second screening plant and helical separating centrifuge, when mud-water separation system separates silt, silt in the muddy water is through screening layer upon layer for silt in the muddy water is direct to be graded according to big-middle-sized, and thereby can carry out the classification to silt when mud-water separation, and it is more convenient to make silt separate.
Further, the coarse material outlet of the spiral sorting machine is connected to a third screening device, and the third screening device is a three-dimensional vibration screening filter.
Through the technical scheme, the three-dimensional vibrating screen is a high-precision fine powder screening machine, the working principle is that a vertical motor is used as an excitation source, eccentric heavy hammers are installed at the upper end and the lower end of the motor to convert the rotary motion of the motor into horizontal, vertical and inclined three-dimensional motion, and the motion is transmitted to a screen surface, so that silt led into a third screening device is graded again. And the three-dimensional vibrating screen also has the advantages of high efficiency and durability.
Further, first screening plant is the grid de-dirt machine, first screening plant is the slope upwards to set up towards being close to the delivery pump junction, first screening plant includes guide portion, guide portion connects and inclines to set up downwards in first screening plant's upper end setting.
Through the technical scheme, the mechanical grating dirt separator is water treatment equipment capable of continuously and automatically removing various shaped impurities in fluid, and is widely applied to production processes of urban sewage treatment industry. The equipment has the advantages of high automation degree, high separation efficiency, low power consumption, no noise and good corrosion resistance, can continuously and stably work under the unattended condition, is provided with an overload safety protection device, can automatically stop when the equipment breaks down, and can avoid overload work of the equipment. In addition, sundries can be discharged in time through the material guide part, so that the sundries can be conveniently collected in a centralized manner, and the subsequent sundries treatment is facilitated.
Furthermore, the first outlet is formed in one end, far away from the feeding hole, of the second screening device, and the second outlet is formed in the lower end face of the second screening device; the second screening device comprises a rack, a screening cylinder and a driving motor, wherein the screening cylinder is rotationally connected into the rack, the driving motor is arranged on the rack and is used for driving the screening cylinder to rotate, the screening cylinder comprises a first screening cylinder and a second screening cylinder, the first screening cylinder is close to a feed inlet of the second screening device and is rotationally connected with the rack, the second screening cylinder is communicated with the first screening cylinder and is arranged close to a first outlet, the first screening cylinder is communicated with a discharge outlet of the sewage pump, and one side, far away from the first screening cylinder, of the second screening cylinder is communicated with the first outlet; the first screen drum and the second screen drum are both provided with a plurality of screen holes; the diameter of the second screen drum is smaller than that of the first screen drum, and the lower end inner wall of the second screen drum is flush with that of the first screen drum; still be provided with the mounting panel between first sieve section of thick bamboo and the second sieve section of thick bamboo, mounting panel fixed connection is in the frame, first sieve section of thick bamboo and second sieve section of thick bamboo all rotate to be connected on the mounting panel.
Through above-mentioned technical scheme, after the delivery pump takes out mud to the second screening device, mud enters into earlier in the screening section of thick bamboo, then the rotation that copper passes through the screening section of thick bamboo sieves mud, makes silt and the water of well small granule can discharge from the second export through the sieve mesh whereabouts, and the silt of large granule can be followed first export and discharged. When silt sieves in a screening section of thick bamboo, silt is now sieved in first sieve section of thick bamboo department, as the nearly back of screening, large granule silt enters into a second sieve section of thick bamboo, the rotational speed of a second sieve section of thick bamboo is greater than first sieve section of thick bamboo setting, thereby make the second shine a big granule silt in the section of thick bamboo and can carry out further dehydration and separation, make the dehydration of large granule silt and make the attached part medium and small granule silt further separate, thereby make the impurity in the first export discharge large granule silt material still less.
Further, the one end that the mounting panel is close to a sieve section of thick bamboo is provided with the swivel becket coaxial with a sieve section of thick bamboo, the inner wall of swivel becket is contradicted a sieve section of thick bamboo and is set up a sieve section of thick bamboo passes through the swivel becket and is connected with the mounting panel rotation.
Through above-mentioned technical scheme, a first sieve section of thick bamboo passes through the rotating ring and is connected with the mounting panel rotation, and the sieve mesh is not seted up to the overlapping department of a first sieve section of thick bamboo and rotating ring usually, reduces silt and falls to influence between the two and rotate for the rotation of a first sieve section of thick bamboo and rotating ring is more stable.
Further, still be provided with drive assembly between first sieve section of thick bamboo and the second sieve section of thick bamboo, drive assembly includes coaxial fixed connection in the first ring gear of first sieve section of thick bamboo lateral wall, coaxial fixed connection in second sieve section of thick bamboo lateral wall and with the second ring gear of first ring gear meshing, the number of teeth of first ring gear is greater than the number of teeth setting of second ring gear.
Through above-mentioned technical scheme, set up drive assembly, when first sieve section of thick bamboo rotates, can drive a second sieve section of thick bamboo through drive assembly and rotate, and the number of teeth of first ring gear is greater than the number of teeth setting of second ring gear for the rotational speed of a second sieve section of thick bamboo is faster, thereby makes the dehydration effect of large granule silt in a second sieve section of thick bamboo better.
Furthermore, the outer side walls of the first screen cylinder and the second screen cylinder are respectively provided with a retaining ring, and the two retaining rings are respectively positioned on two axial sides of the transmission assembly.
Through above-mentioned technical scheme, set up and keep off the ring, two keep off the ring and can reduce the transmission clearance that silt entered into first ring gear and second ring gear for transmission assembly's operation is more stable, thereby makes holistic use more stable.
Furthermore, the screening cylinder is arranged from one end of the feeding hole to one end of the first outlet in an inclined downward mode.
Through the technical scheme, the inclined arrangement enables the discharge of the second outlet to be more stable and thorough.
Further, the bottom of the flocculation tank is connected to an inlet of a filter press through a suction pump, and the filter press is a plate-and-frame filter press.
Through above-mentioned technical scheme, the suction pump leads to from the bottom in flocculation basin for the part of containing great silt behind the flocculation in the mud that the suction pump was taken away, the clear water of upper portion can be discharged through other outlet, thereby has reduced the clear water part and has let in the filter-pressing of filter-press built-in to this part, thereby has improved the effective operating time of filter-pressing machine, makes the filter-pressing more high-efficient.
Compared with the prior art, the invention has the beneficial effects that:
(1) by arranging the second screening device and the spiral separator, when the mud-water separation system is used for separating silt, the silt in the mud-water is screened layer by layer, so that the silt in the mud-water is directly graded according to the size, the middle size and the small size, the silt can be graded during mud-water separation, and the silt is more convenient to separate;
(2) the first sieve cylinder and the second sieve cylinder are arranged, so that large-particle silt is dehydrated, and the attached small-particle silt in the part is further separated, so that the impurities in the large-particle silt discharged from the first outlet are less;
(3) through setting up drive assembly, when first sieve section of thick bamboo rotated, can drive a second sieve section of thick bamboo through drive assembly and rotate, and the number of teeth of first ring gear is greater than the number of teeth setting of second ring gear for the rotational speed of a second sieve section of thick bamboo is faster, thereby makes the dehydration effect of large granule silt in a second sieve section of thick bamboo better.
Drawings
FIG. 1 is an overall schematic view of an embodiment;
FIG. 2 is a schematic cross-sectional view of a second screening device of an embodiment;
fig. 3 is a partial structural schematic view of the second screening device of the embodiment, which is used for showing the structure of the transmission assembly.
Reference numerals: 1. a discharge pond; 2. a delivery pump; 3. a second screening device; 31. a frame; 32. a screening drum; 321. a first screen cylinder; 322. a second screen cylinder; 33. a drive motor; 4. a spiral classifier; 5. a flocculation tank; 6. a suction pump; 7. a filter press; 8. a first screening device; 9. a material guide part; 10. a feed inlet; 11. a first outlet; 12. a second outlet; 13. screening holes; 14. mounting a plate; 15. a rotating ring; 16. a transmission assembly; 161. a first ring gear; 162. a second ring gear; 17. a baffle ring; 18. a fine material outlet; 19. a coarse material outlet; 20. a third screening device.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b):
a mud-water separation system is shown in figure 1 and comprises a discharge pond 1, a delivery pump 2, a second screening device 3, a spiral sorting machine 4, a flocculation pond 5, a suction pump 6 and a filter press 7 which are sequentially communicated.
As shown in fig. 1, the discharge basin 1 is arranged in a rectangular shape, and a first screening device 8 is arranged in the discharge basin 1, and the first screening device 8 divides the discharge basin 1 into two parts, so that the mud needs to be screened by the first screening device 8 from one side to the other. First screening plant 8 is the grid de-dirt machine, and first screening plant 8 is the slope upwards to set up towards being close to the junction of delivery pump 2, and first screening plant 8 includes guide portion 9, and guide portion 9 is connected in the upper end setting of first screening plant 8 and the slope sets up downwards.
The grating de-dirt machine is a water treatment equipment which can continuously and automatically remove sundries in various shapes in fluid and is widely applied to the production process of the urban sewage treatment industry. The equipment has the advantages of high automation degree, high separation efficiency, low power consumption, no noise and good corrosion resistance, can continuously and stably work under the unattended condition, is provided with an overload safety protection device, can automatically stop when the equipment breaks down, and can avoid overload work of the equipment. In addition, sundries can be discharged in time through the material guide part 9, the centralized collection of the sundries is facilitated, and the subsequent sundries treatment is facilitated.
As shown in fig. 1, the transfer pump 2 is a sludge pump which is a transfer machine for discharging sludge having a high viscosity and concentration, and the sludge pump is generally used for transferring sludge before dehydration treatment and paper sludge, and for sludge dehydrated by the filter press 7, a rotor pump is generally used for transferring.
As shown in fig. 1 and 2, the transfer pump 2 is used to pump the slurry screened by the first screening device 8 in the discharge basin 1 into the second screening device 3. The second screening device 3 comprises a feed inlet 10, a first outlet 11 and a second outlet 12. The feed inlet 10 is communicated with the conveying pump 2, the first outlet 11 is arranged at one end, far away from the feed inlet 10, of the second screening device 3, and the second outlet 12 is arranged on the lower end face of the second screening device 3.
As shown in fig. 2 and 3, the second sieving device 3 includes a frame 31, a sieving cylinder 32 rotatably connected in the frame 31, and a driving motor 33 disposed on the frame 31. The screening cylinder 32 is arranged along the direction from one end of the feed inlet 10 to the first outlet 11, the screening cylinder 32 is arranged from one end of the feed inlet 10 to one end of the first outlet 11 in an inclined and downward manner, and the driving motor 33 is mainly used for driving the screening cylinder 32 to rotate. The screening cylinder 32 comprises a first screening cylinder 321 which is close to the feed inlet 10 of the second screening device 3 and is rotatably connected with the frame 31, and a second screening cylinder 322 which is communicated with the first screening cylinder 321 and is close to the first outlet 11. The first screen drum 321 is communicated with a discharge port of the sewage pump, and one side of the second screen drum 322, which is far away from the first screen drum 321, is communicated to the first outlet 11. A plurality of sieve meshes 13 have all been seted up to a first sieve section of thick bamboo 321 and a second sieve section of thick bamboo 322, and the diameter of a second sieve section of thick bamboo 322 is less than a first sieve section of thick bamboo 321 setting, and the lower extreme inner wall parallel and level setting of a second sieve section of thick bamboo 322 and the lower extreme inner wall of a first sieve section of thick bamboo 321.
Still be provided with mounting panel 14 between first sieve section of thick bamboo 321 and the second sieve section of thick bamboo 322, mounting panel 14 fixed connection is in frame 31, and first sieve section of thick bamboo 321 and second sieve section of thick bamboo 322 are all rotated and are connected on mounting panel 14. One end of the mounting plate 14 close to the first screen drum 321 is provided with a rotating ring 15 coaxial with the first screen drum 321, and the inner wall of the rotating ring 15 abuts against the first screen drum 321 to arrange that the first screen drum 321 is rotatably connected with the mounting plate 14 through the rotating ring 15. Normally, no openings 13 are provided at the overlapping position of the first screen cylinder 321 and the rotating ring 15. The mounting hole has been seted up to one side that the mounting panel 14 is close to second sieve section of thick bamboo 322, and the one end that first sieve section of thick bamboo 321 is close to the mounting panel 14 corresponds imbeds the mounting hole and is connected with the mounting panel 14 rotation, and the second sieve section of thick bamboo 322 does not also be provided with sieve mesh 13 with the region that the mounting panel 14 inserted in the mounting hole.
A transmission assembly 16 is further arranged between the first screen drum 321 and the second screen drum 322, and the transmission assembly 16 includes a first gear ring 161 coaxially and fixedly connected to the outer side wall of the first screen drum 321, and a second gear ring 162 coaxially and fixedly connected to the outer side wall of the second screen drum 322 and meshed with the first gear ring 161. The tooth of the first gear ring 161 is located at the inner side close to the axis of the first screen drum 321, the tooth of the second gear ring 162 is located at the outer side far from the second screen drum 322, and the number of teeth of the first gear ring 161 is greater than that of the second gear ring 162. The outer side walls of the first screen drum 321 and the second screen drum 322 are respectively provided with a baffle ring 17, and the two baffle rings 17 are respectively located at two axial sides of the transmission assembly 16.
After the transfer pump 2 pumps mud to the second screening device 3, mud enters into screening section of thick bamboo 32 earlier, then sieves mud through the rotation of screening section of thick bamboo 32, makes middle and small granule silt and water can fall and discharge from second export 12 through sieve mesh 13, and big granule silt can be discharged from first export 11. When silt is sieved in the sieving cylinder 32, silt is now sieved at the first sieving cylinder 321, and when the silt is sieved, large-particle silt enters the second sieving cylinder 322. Because transmission assembly 16's transmission effect, the rotational speed of second sieve section of thick bamboo 322 is greater than the setting of first sieve section of thick bamboo 321 to make the second shine a big granule silt in the section of thick bamboo and can carry out further dehydration and separation, make the dehydration of big granule silt and make the attached part medium and small granule silt further separate, thereby make the impurity in the big granule silt of first export 11 discharge still less.
As shown in fig. 1, the spiral classifier 4 comprises a fine outlet 18 and a coarse outlet 19, the fine outlet 18 being connected to the flocculation tank 5 and the coarse outlet 19 of the spiral classifier 4 being connected to a third screening device 20.
The spiral sorting machine 4 is a mineral separation device, which is a sorting device that depends on the liquid flow characteristics to realize the separation of minerals with different densities under the action of gravity and centrifugal force, and in the application of mud-water separation, the separation device can separate coarse mud and fine mud-water mixture according to the difference of material density, and the separation of the coarse mud and the fine mud-water mixture is realized by collecting different chutes at the bottom of the spiral sorting machine 4.
The third screening device 20 is a three-dimensional vibrating screen, which is a high-precision fine powder screening machine, and the working principle is that a vertical motor is used as an excitation source, eccentric weights are installed at the upper end and the lower end of the motor, the rotary motion of the motor is converted into horizontal, vertical and inclined three-dimensional motion, and the motion is transmitted to a screen surface, so that the silt guided into the third screening device 20 is graded again. And the three-dimensional vibrating screen has the advantages of high efficiency and durability.
As shown in FIG. 1, the suction pump 6 is also a sludge pump, an inlet end of the suction pump 6 is communicated to the bottom of the flocculation tank 5, and an outlet end of the suction pump 6 is communicated to the filter press 7. The flocculation tank 5 is mainly used for flocculating a mixture of the fine silt and the water after adding the chemicals and stirring, so that the muddy water is precipitated and layered. The filter press 7 is a plate-and-frame filter press 7, and the flocculated mud and water are subjected to filter-press separation through the plate-and-frame filter press 7.
The working principle of the embodiment is as follows:
when mud-water separation is carried out to mud, firstly, the mud is poured into the discharging pool 1, then sundries in the mud are screened through the first screening device 8 in the discharging pool 1, then the screened mud is pumped to the second screening device 3 through the mud pump, and large-particle silt and medium-small-particle silt in the mud are screened through the second screening device 3. Then large granule silt can enter into third screening plant 20 through first export 11 and carry out further fan, water and well small granule silt are arranged to spiral sorter 4 through second export 12 simultaneously, then separate well granule silt and fine silt water mixture through spiral sorter 4, make small granule silt and water arrange to the flocculation basin 5 in through thin material export 18, make small granule silt flocculate through adding the medicine stirring this moment, let in the muddy water in the flocculation basin 5 at last to the pressure filter 7 with muddy water and carry out further separation, make fine silt and separation of water. When mud-water separation system separates silt, silt in the muddy water is through screening layer upon layer for silt in the muddy water directly can be according to the size to carry out the classification, thereby can carry out the classification to silt when mud-water separation, make silt separation more convenient.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a mud-water separation system, is including unloading pond (1), flocculation basin (5), pressure filter (7) that communicate the setting in proper order, be provided with first screening plant (8), its characterized in that in unloading pond (1): a conveying pump (2), a second screening device (3) and a spiral sorting machine (4) are sequentially communicated between the discharging pool (1) and the flocculation pool (5), the spiral sorting machine (4) comprises a fine material outlet (18) and a coarse material outlet (19), and the fine material outlet (18) is communicated with the flocculation pool (5);
the conveying pump (2) pumps the slurry in the discharging pool (1) to the second screening device (3), large-particle silt is discharged from a first outlet (11) of the second screening device (3), medium and small-particle silt and water are discharged to the spiral sorting machine (4) through a second outlet (12) at the lower end, and the medium and small-particle silt is further separated through the spiral sorting machine (4), so that the small-particle silt and the water are discharged to the flocculation tank (5);
the first outlet (11) is arranged at one end, far away from the feeding hole (10), of the second screening device (3), and the second outlet (12) is arranged at the lower end face of the second screening device (3);
the second screening device (3) comprises a rack (31), a screening cylinder (32) rotationally connected in the rack (31), a driving motor (33) arranged on the rack (31) and used for driving the screening cylinder (32) to rotate, the screening cylinder (32) comprises a first screening cylinder (321) close to a feed inlet (10) of the second screening device (3) and rotationally connected with the rack (31), and a second screening cylinder (322) communicated with the first screening cylinder (321) and arranged close to the first outlet (11), the first screening cylinder (321) is communicated with a discharge outlet of the sewage pump, and one side, far away from the first screening cylinder (321), of the second screening cylinder (322) is communicated with the first outlet (11); the first screen drum (321) and the second screen drum (322) are both provided with a plurality of screen holes (13);
the diameter of the second screen drum (322) is smaller than that of the first screen drum (321), and the inner wall of the lower end of the second screen drum (322) is flush with that of the lower end of the first screen drum (321); an installation plate (14) is further arranged between the first screen drum (321) and the second screen drum (322), the installation plate (14) is fixedly connected to the rack (31), and the first screen drum (321) and the second screen drum (322) are rotatably connected to the installation plate (14);
still be provided with drive assembly (16) between first sieve section of thick bamboo (321) and second sieve section of thick bamboo (322), drive assembly (16) make the rotational speed of second sieve section of thick bamboo (322) be greater than first sieve section of thick bamboo (321) and make the dehydration of the large granule silt in second sieve section of thick bamboo (322).
2. The mud water separation system of claim 1, wherein: the coarse material outlet (19) of the spiral sorting machine (4) is connected to a third screening device (20), and the third screening device (20) is a three-dimensional vibrating screening filter.
3. The mud water separation system of claim 1, wherein: first screening plant (8) are grid sewage disposal machine, first screening plant (8) are slope upwards setting towards being close to delivery pump (2) junction, first screening plant (8) are including guide portion (9), guide portion (9) are connected in the upper end setting of first screening plant (8) and slope and are set up downwards.
4. The mud water separation system of claim 1, wherein: one end that mounting panel (14) are close to first sieve section of thick bamboo (321) is provided with swivel becket (15) coaxial with first sieve section of thick bamboo (321), the inner wall of swivel becket (15) is contradicted first sieve section of thick bamboo (321) and is set up, first sieve section of thick bamboo (321) are connected with mounting panel (14) rotation through swivel becket (15).
5. The mud water separation system of claim 1, wherein: the transmission assembly (16) comprises a first gear ring (161) which is coaxially and fixedly connected to the outer side wall of the first sieve drum (321), and a second gear ring (162) which is coaxially and fixedly connected to the outer side wall of the second sieve drum (322) and meshed with the first gear ring (161), wherein the number of teeth of the first gear ring (161) is larger than that of the second gear ring (162).
6. The mud water separation system of claim 5, wherein: the outer side walls of the first screen drum (321) and the second screen drum (322) are respectively provided with a baffle ring (17), and the two baffle rings (17) are respectively positioned on two axial sides of the transmission assembly (16).
7. The mud water separation system of claim 1, wherein: the screening cylinder (32) is arranged from one end of the feed inlet (10) to one end of the first outlet (11) in an inclined downward mode.
8. The mud water separation system of claim 1, wherein: the bottom of the flocculation tank (5) is connected to an inlet of a filter press (7) through a suction pump (6), and the filter press (7) is a plate-and-frame filter press (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920267.5A CN110668669B (en) | 2019-09-26 | 2019-09-26 | Mud-water separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920267.5A CN110668669B (en) | 2019-09-26 | 2019-09-26 | Mud-water separation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110668669A CN110668669A (en) | 2020-01-10 |
| CN110668669B true CN110668669B (en) | 2022-03-08 |
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