CN109320041B - Slurry treatment system - Google Patents
Slurry treatment system Download PDFInfo
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- CN109320041B CN109320041B CN201811227948.5A CN201811227948A CN109320041B CN 109320041 B CN109320041 B CN 109320041B CN 201811227948 A CN201811227948 A CN 201811227948A CN 109320041 B CN109320041 B CN 109320041B
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- slurry
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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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Abstract
A mud treatment system comprises a liquid collecting tank, a conveying pipeline, a centrifugal machine motor, a control valve, a mixing drum, a flocculating agent pump, a mud tank, a mixing drum motor, a conveying belt, a mud inlet pipe, a discharge valve and a bracket; the centrifugal machine comprises a first arc, a second arc, a third arc, a connecting section, an outer wall, a middle wall, an inner wall, a scraper rod, a scraper, a multifunctional groove, an outer maintenance disc, an inner maintenance disc, a liquid discharge purging port, a liquid discharge pipe top wall, a liquid discharge pipe, an auxiliary purging port and a mud discharge grid; the slurry pump conveys the slurry in the slurry pool to the mixing cylinder, the flocculating agent pump conveys the flocculating agent to the mixing cylinder, the mixing cylinder motor drives the blades in the mixing cylinder to stir, a control valve is connected between the mixing cylinder and the centrifugal machine, the slurry enters the centrifugal machine through the slurry inlet pipe, the liquid discharged by the centrifugal machine enters the liquid collecting tank through the conveying pipeline, and the slurry discharged by the centrifugal machine falls on the conveying belt through the discharge valve; the mud processing system also includes a controller.
Description
Technical Field
The invention relates to the field related to slurry treatment, in particular to a slurry treatment system.
Background
Along with the development of science and technology and the development of economy, the using amount of the slurry is larger and larger, the slurry in cities mainly comes from building engineering slurry, municipal sludge and river silt at present, along with the continuous acceleration of the urbanization process, the construction of various projects such as high-rise buildings, super high-rise buildings, subways, high-speed roads, large bridges and the like is more and more, and the generating amount of the slurry is also larger and more. At present, the treatment modes of the slurry mainly comprise the following steps: 1) The method is that the slurry generated on site is directly lifted into the slurry vehicle by a slurry pump, and the slurry is transported to an idle site outside the suburb of the city by the slurry vehicle for natural drying; 2) The method comprises the steps of (1) carrying out on-site precipitation drying, wherein a precipitation tank is required to be built on a construction site, and the generated slurry is discharged into the precipitation tank for natural precipitation and drying; 3) And (4) performing centrifugal dehydration, namely dehydrating the building slurry by adopting a centrifugal machine.
"centrifugal dewatering" for mode 3. In actual use, there are the following problems.
1. The outer cylinder of the centrifuge in the prior art needs to be large in size because the outer cylinder contains relatively solid mud parts and needs to discharge the mud parts, space is wasted, but the diameter of the outer cylinder cannot be reduced, and the problem is caused because the outer cylinder cannot contain a large number of mud parts enough after being reduced.
2. The centrifuge in the prior art is lack of maintenance means, only a part of the centrifuge can be cleaned during cleaning, and cleaning dead corners exist.
3. The centrifuge in the prior art is provided with a liquid discharge pipe or a liquid collection pipe on one part, the liquid discharge pipe or the liquid collection pipe is often exposed in a roller and is subjected to centrifugal particle washing, and when stones exist in slurry, the liquid discharge pipe is easy to rotate and damage; the solution to this is often to increase the hardness of the material of the drain pipe, which however increases the costs.
4. The discharge valve is arranged below the centrifuge in the prior art, but the discharge valve is directly impacted by centrifugal materials and is easy to loosen or even damage after a long time.
5. After the centrifuge in the prior art is used for a long time, the accumulated materials are difficult to clean, and the materials cannot be cleaned even if the water impacts.
6. In the slurry treatment system in the prior art, the slurry is always randomly discharged onto the conveyer belt during conveying of the conveyer belt, and the random discharged slurry cannot be controlled and is difficult to collect.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problem is as follows: a mud treatment system comprises a liquid collecting tank, a conveying pipeline, a centrifugal machine motor, a control valve, a mixing drum, a flocculating agent pump, a mud tank, a mixing drum motor, a conveying belt, a mud inlet pipe, a discharge valve and a bracket; the centrifugal machine comprises a first arc, a second arc, a third arc, a connecting section, an outer wall, a middle wall, an inner wall, a scraper rod, a scraper, a multifunctional groove, an outer maintenance disc, an inner maintenance disc, a liquid discharge purging port, a liquid discharge pipe top wall, a liquid discharge pipe, an auxiliary purging port and a mud discharge grid; the slurry pump conveys slurry in the slurry pool to the mixing drum, the flocculant pump conveys a flocculant to the mixing drum, a motor of the mixing drum drives blades in the mixing drum to stir, a control valve is connected between the mixing drum and the centrifugal machine, the slurry enters the centrifugal machine through a slurry inlet pipe, liquid discharged by the centrifugal machine enters a liquid collecting tank through a conveying pipeline, and the slurry discharged by the centrifugal machine falls on a conveying belt through a discharge valve; the mud processing system further comprises a controller;
the centrifugal machine and the discharge valve are fixed on the support, the centrifugal machine comprises an inner barrel and an outer barrel, the outer barrel comprises a first arc, a second arc, a third arc and a connecting section, two ends of the first arc are respectively connected with the second arc and the third arc through the connecting section, the radius of the first arc is larger than that of the second arc, the radius of the first arc is larger than that of the third arc, the radii of the second arc and the third arc are the same, a closing-in is formed downwards, the diameter of the closing-in is equal to that of an opening of the support, and the connecting section is not bent; a scraper bar and a scraper are arranged between the inner cylinder and the outer cylinder, the scraper bar is connected to the inner cylinder, and the sum of the lengths of the scraper bar and the scraper is equal to the distance from the second arc and the third arc to the inner cylinder and is smaller than the distance from the connecting section and the first arc to the inner cylinder; the inner cylinder comprises an outer wall, a middle wall and an inner wall, the distance between the outer wall and the middle wall is greater than the distance between the inner wall and the middle wall, one part of the liquid discharge pipe is arranged between the inner wall and the middle wall, and the other part of the liquid discharge pipe is arranged between the outer wall and the middle wall; a gap is reserved between the liquid discharge pipe and the outer wall, a liquid discharge pipe top wall facing inwards in the radial direction is arranged on the liquid discharge pipe, the liquid discharge pipe top wall is exposed outside the inner wall, and the liquid discharge pipe top wall is made of a metal material; the inner wall is a filter layer, and the filtered liquid enters the liquid discharge pipe through small holes in the pipe wall of the liquid discharge pipe; the outer wall, the middle wall and the inner wall are provided with mud discharge grids which divide the space between the outer wall and the middle wall into a plurality of sub-cavities;
one end of the inner cylinder is provided with an outer maintenance disc and an inner maintenance disc, the outer maintenance disc is provided with multifunctional grooves, the inner maintenance disc is provided with liquid drainage purging ports, the position of each liquid drainage purging port corresponds to one end of each sub-cavity, and the number of the multifunctional grooves corresponds to the number of the liquid drainage purging ports; the inner maintenance disc is also provided with an auxiliary blowing port, the position of the auxiliary blowing port corresponds to the position between the inner wall and the middle wall, and the multifunctional groove alternately corresponds to the liquid discharge blowing port and the auxiliary blowing port through the rotation of the outer maintenance disc; the discharge valve includes first cylinder, first flashboard, holds mud arc wall, second flashboard, second cylinder, main part wall, and the mud part that centrifuge threw out falls hold on the mud arc wall, through arc wall uninstallation impact energy and make mud smoothly slide to the main part wall by holding mud arc wall on, first cylinder is in the upper end drive first flashboard that holds mud arc wall, the second cylinder drives the second flashboard in the upper end of main part wall.
Preferably, the number of the liquid discharge purging ports is four.
Preferably, an opening is formed in the inner cylinder and connected with a mud inlet pipe.
Preferably, the control valve is an electrically operated valve.
Preferably, the first cylinder and the second cylinder are driven by a first stepping motor and a second stepping motor.
Preferably, the filter layer is a filter cloth.
Preferably, the first cylinder is fixed to the bracket.
Preferably, the second cylinder is fixed to the body wall.
Preferably, a turbidity meter is arranged beside the liquid discharge purging port.
Preferably, the end of the conveying belt is provided with a collecting container.
The invention has the beneficial effects that:
1. aiming at the 1 st point of the background technology, the design of the multi-section centrifuge outer barrel is adopted, so that a sufficient size for containing the mud part is reserved, the volume space is saved, meanwhile, the distance between the centrifuge inner barrel and the discharge valve is close, mud in a larger radiation range can directly enter the discharge valve, the situation that the mud falls into the outer barrel and then falls into the discharge valve is avoided, the steps are saved, and the mud material accumulation and solidification in the outer barrel are avoided.
2. Aiming at the 2 nd point of the background technology, the scheme that the multifunctional groove is communicated with the liquid discharge purging port and the auxiliary purging port alternately is adopted, and alternation is realized through the relative rotation of the outer maintenance disc and the inner maintenance disc.
3. In the 3 rd point proposed by the background technology, the design of three layers of inner cylinder walls is adopted, and a liquid discharge pipe is buried between the three layers of walls for discharging liquid.
4. To the 4 th point that the background art provided, design the mud wall and the main part wall of holding of discharge valve, unload centrifugal energy through holding the mud wall for the blanking is more steady, and discharge valve life is longer.
5. Aiming at the 5 th point of the background technology, a scraper and a connecting rod are additionally arranged and are designed between an inner barrel and an outer barrel, so that more precise and efficient material cleaning is provided.
6. To the 6 th point that the background art provided, during operating condition, at first open first flashboard, close the second flashboard for mud gets rid of on bearing mud arc wall, and piles up in the second flashboard top, alleviates the blanking through accumulational mud and strikes, then opens the second flashboard for mud falls down, makes the more steady weight of blanking controllable, and discharge valve life is longer, and more importantly is because save blanking together after a period of time, makes the blanking relatively concentrated, is convenient for collect at the conveyer belt end.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
FIG. 1 is a schematic view of the centrifuge and discharge valve of the present invention in its entirety.
FIG. 2 is a cross-sectional view of the centrifuge bowl of the present invention.
FIG. 3 is a front view of the centrifuge bowl of the present invention.
FIG. 4 is an overall view of the mud treatment system of the present invention.
In the figures, the reference numerals are as follows:
1. the device comprises a first arc 2, a second arc 3, a third arc 4, a connecting section 5, an outer wall 6, a middle wall 7, an inner wall 8, a scraper rod 9, a scraper 10, a support 11, a first air cylinder 12, a first gate plate 13, a mud bearing arc-shaped wall 14, a second gate plate 15, a second air cylinder 16, a main body wall 17, a multifunctional tank 18, an outer maintenance disc 19, an inner maintenance disc 20, a liquid discharge purging opening 21, a liquid discharge pipe top wall 22, a liquid discharge pipe 23, an auxiliary purging opening 24, a mud discharge grid 25, a liquid collection box 26, a conveying pipeline 27, a centrifuge 28, a centrifuge motor 29, a control valve 30, a mixing cylinder 31, a flocculant pump 32, a slurry pump 33, a slurry pool 34, a mixing cylinder motor 35, a conveying belt 36, a slurry inlet pipe 37 and a discharge valve.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in the figure: a mud treatment system comprises a liquid collecting tank, a conveying pipeline, a centrifugal machine motor, a control valve, a mixing drum, a flocculating agent pump, a mud tank, a mixing drum motor, a conveying belt, a mud inlet pipe, a discharge valve and a bracket; the centrifugal machine comprises a first arc, a second arc, a third arc, a connecting section, an outer wall, a middle wall, an inner wall, a scraper rod, a scraper, a multifunctional groove, an outer maintenance disc, an inner maintenance disc, a liquid discharge purging port, a liquid discharge pipe top wall, a liquid discharge pipe, an auxiliary purging port and a mud discharge grid; the slurry pump conveys the slurry in the slurry pool to the mixing cylinder, the flocculating agent pump conveys the flocculating agent to the mixing cylinder, the mixing cylinder motor drives the blades in the mixing cylinder to stir, a control valve is connected between the mixing cylinder and the centrifugal machine, the slurry enters the centrifugal machine through the slurry inlet pipe, the liquid discharged by the centrifugal machine enters the liquid collecting tank through the conveying pipeline, and the slurry discharged by the centrifugal machine falls on the conveying belt through the discharge valve; the mud processing system further includes a controller;
as shown in the figure: the centrifugal machine and the discharge valve are fixed on the support, the centrifugal machine comprises an inner barrel and an outer barrel, the outer barrel comprises a first arc, a second arc, a third arc and a connecting section, two ends of the first arc are respectively connected with the second arc and the third arc through the connecting section, the radius of the first arc is larger than that of the second arc, the radius of the first arc is larger than that of the third arc, the radii of the second arc and the third arc are the same, a closing-in is formed downwards, the diameter of the closing-in is equal to that of an opening of the support, and the connecting section is not bent; a scraper bar and a scraper are arranged between the inner cylinder and the outer cylinder, the scraper bar is connected to the inner cylinder, and the sum of the lengths of the scraper bar and the scraper is equal to the distance from the second arc and the third arc to the inner cylinder and is less than the distance from the connecting section and the first arc to the inner cylinder;
as shown in the figure: the inner cylinder comprises an outer wall, a middle wall and an inner wall, the distance between the outer wall and the middle wall is greater than the distance between the inner wall and the middle wall, one part of the liquid discharge pipe is arranged between the inner wall and the middle wall, and the other part of the liquid discharge pipe is arranged between the outer wall and the middle wall; a gap is reserved between the liquid discharge pipe and the outer wall, the liquid discharge pipe is provided with a liquid discharge pipe top wall which faces inwards in the radial direction, the liquid discharge pipe top wall is exposed outside the inner wall, and the liquid discharge pipe top wall is made of a metal material; the inner wall is a filter layer, and the filtered liquid enters the liquid discharge pipe through small holes in the pipe wall of the liquid discharge pipe; the outer wall, the middle wall and the inner wall are provided with mud discharge grids which divide the space between the outer wall and the middle wall into a plurality of sub-cavities; one end of the inner cylinder is provided with an outer maintenance disc and an inner maintenance disc, the outer maintenance disc is provided with multifunctional grooves, the inner maintenance disc is provided with liquid drainage purging ports, the positions of the liquid drainage purging ports correspond to one end of each sub-cavity, and the number of the multifunctional grooves corresponds to the number of the liquid drainage purging ports; the inner maintenance disc is also provided with an auxiliary purging port, the auxiliary purging port is positioned between the inner wall and the middle wall, and the multifunctional groove alternately corresponds to the liquid discharge purging port and the auxiliary purging port through the rotation of the outer maintenance disc;
as shown in the figure: the discharge valve includes first cylinder, first flashboard, holds mud arc wall, second flashboard, second cylinder, main part wall, and the mud part that centrifuge thrown away falls on holding mud arc wall, through arc wall uninstallation impact energy and make mud smoothly slide to the main part wall by holding mud arc wall, first cylinder is in holding the first flashboard of the upper end drive of mud arc wall, the second cylinder is in the upper end drive second flashboard of main part wall. The number of the liquid discharge purging ports is four. An opening is arranged in the inner cylinder and connected with a mud inlet pipe. The control valve is an electric valve. And the driving of the first cylinder and the second cylinder is changed into the driving of a first stepping motor and a second stepping motor. The filter layer is filter cloth. The first cylinder is fixed on the bracket. The second cylinder is fixed to the main body wall. And a turbidity meter is arranged beside the liquid discharge purging port. And a collecting container is arranged at the tail end of the conveying belt.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A mud treatment system comprises a liquid collecting tank, a conveying pipeline, a centrifugal machine motor, a control valve, a mixing drum, a flocculating agent pump, a mud tank, a mixing drum motor, a conveying belt, a mud inlet pipe, a discharge valve and a bracket; the centrifugal machine comprises a first arc, a second arc, a third arc, a connecting section, an outer wall, a middle wall, an inner wall, a scraper rod, a scraper, a multifunctional groove, an outer maintenance disc, an inner maintenance disc, a liquid discharge purging port, a liquid discharge pipe top wall, a liquid discharge pipe, an auxiliary purging port and a mud discharge grid;
the method is characterized in that: the slurry pump conveys the slurry in the slurry pool to the mixing cylinder, the flocculating agent pump conveys the flocculating agent to the mixing cylinder, the mixing cylinder motor drives the blades in the mixing cylinder to stir, a control valve is connected between the mixing cylinder and the centrifugal machine, the slurry enters the centrifugal machine through the slurry inlet pipe, the liquid discharged by the centrifugal machine enters the liquid collecting tank through the conveying pipeline, and the slurry discharged by the centrifugal machine falls on the conveying belt through the discharge valve; the mud processing system further comprises a controller;
the centrifugal machine and the discharge valve are fixed on the support, the centrifugal machine comprises an inner barrel and an outer barrel, the outer barrel comprises a first arc, a second arc, a third arc and a connecting section, two ends of the first arc are respectively connected with the second arc and the third arc through the connecting section, the radius of the first arc is larger than that of the second arc, the radius of the first arc is larger than that of the third arc, the radii of the second arc and the third arc are the same, a closing-in is formed downwards, the diameter of the closing-in is equal to that of an opening of the support, and the connecting section is not bent; a scraper bar and a scraper are arranged between the inner cylinder and the outer cylinder, the scraper bar is connected to the inner cylinder, and the sum of the lengths of the scraper bar and the scraper is equal to the distance from the second arc and the third arc to the inner cylinder and is less than the distance from the connecting section and the first arc to the inner cylinder;
the inner cylinder comprises an outer wall, a middle wall and an inner wall, the distance between the outer wall and the middle wall is greater than the distance between the inner wall and the middle wall, one part of the liquid discharge pipe is arranged between the inner wall and the middle wall, and the other part of the liquid discharge pipe is arranged between the outer wall and the middle wall; a gap is reserved between the liquid discharge pipe and the outer wall, the liquid discharge pipe is provided with a liquid discharge pipe top wall which faces inwards in the radial direction, the liquid discharge pipe top wall is exposed outside the inner wall, and the liquid discharge pipe top wall is made of a metal material; the inner wall is a filter layer, and the filtered liquid enters the liquid discharge pipe through small holes in the pipe wall of the liquid discharge pipe; the outer wall, the middle wall and the inner wall are provided with mud discharge grids which divide the space between the outer wall and the middle wall into a plurality of sub-cavities;
one end of the inner cylinder is provided with an outer maintenance disc and an inner maintenance disc, the outer maintenance disc is provided with multifunctional grooves, the inner maintenance disc is provided with liquid drainage purging ports, the positions of the liquid drainage purging ports correspond to one end of each sub-cavity, and the number of the multifunctional grooves corresponds to the number of the liquid drainage purging ports; the inner maintenance disc is also provided with an auxiliary purging port, the auxiliary purging port is positioned between the inner wall and the middle wall, and the multifunctional groove alternately corresponds to the liquid discharge purging port and the auxiliary purging port through the rotation of the outer maintenance disc;
the discharge valve includes first cylinder, first flashboard, holds mud arc wall, second flashboard, second cylinder, main part wall, and the mud part that centrifuge thrown away falls on holding mud arc wall, through arc wall uninstallation impact energy and make mud smoothly slide to the main part wall by holding mud arc wall, first cylinder is in holding the first flashboard of the upper end drive of mud arc wall, the second cylinder is in the upper end drive second flashboard of main part wall.
2. A slurry treatment system according to claim 1, wherein: the number of the liquid discharge purging ports is four.
3. A slurry treatment system according to claim 1, wherein: an opening is arranged in the inner cylinder and connected with a mud inlet pipe.
4. A slurry treatment system according to claim 1, wherein: the control valve is an electric valve.
5. A slurry treatment system according to claim 1, wherein: and the first cylinder and the second cylinder are driven by a first stepping motor and a second stepping motor.
6. A slurry treatment system according to claim 1, wherein: the filter layer is filter cloth.
7. A slurry treatment system according to claim 1, wherein: the first cylinder is fixed on the bracket.
8. A slurry treatment system according to claim 1, wherein: the second cylinder is fixed on the main body wall.
9. A slurry treatment system according to claim 1, wherein: and a turbidity meter is arranged beside the liquid discharge purging port.
10. A slurry treatment system according to claim 1, wherein: and a collecting container is arranged at the tail end of the conveying belt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227948.5A CN109320041B (en) | 2018-10-22 | 2018-10-22 | Slurry treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227948.5A CN109320041B (en) | 2018-10-22 | 2018-10-22 | Slurry treatment system |
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| CN109320041A CN109320041A (en) | 2019-02-12 |
| CN109320041B true CN109320041B (en) | 2023-04-18 |
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| CN114477711B (en) * | 2022-03-03 | 2023-06-30 | 中铁五局集团第一工程有限责任公司 | Sludge treatment system |
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