CN111977933A - River sludge treatment system and method - Google Patents
River sludge treatment system and method Download PDFInfo
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- CN111977933A CN111977933A CN202010854755.3A CN202010854755A CN111977933A CN 111977933 A CN111977933 A CN 111977933A CN 202010854755 A CN202010854755 A CN 202010854755A CN 111977933 A CN111977933 A CN 111977933A
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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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Abstract
The invention discloses a river sludge treatment system which comprises a dredging ship, a grating machine, a dosing device, a mixing tank, a solid-liquid separator and a sedimentation tank, wherein an output pipe of the dredging ship is connected with a material inlet of the grating machine, a material outlet of the grating machine is connected with a material inlet of the mixing tank, the dosing device is connected with a dosing port of the mixing tank through a dosing pipe, the material outlet of the mixing tank is connected with the material inlet of the solid-liquid separator, the solid-liquid separator is respectively a concentration section and a squeezing section from the material inlet of the solid-liquid separator to a sludge outlet of the solid-liquid separator, a water outlet of the concentration section is arranged at the concentration section, a water outlet of the squeezing section is arranged at the squeezing section, and the water outlet of; the water outlet of the squeezing section is communicated with the mixing tank. The invention also discloses a river sludge treatment method. The dredging ship can solve the problems of narrow field space, long-distance conveying and the like, and can thoroughly separate water and mud in the mud.
Description
Technical Field
The invention relates to the field of river sludge treatment, in particular to a river sludge treatment system and method.
Background
The method has the advantages that the method has several problems in river channel dredging, firstly, greening and protective fences are arranged on the periphery of a plurality of river channels, so that the site is not provided with a fixed field for carrying out dredging operation; secondly, the sludge in the river channel is complex and is easy to block most of treatment equipment; thirdly, the mud and water of the sludge cannot be thoroughly separated.
Disclosure of Invention
The invention aims to provide a river sludge treatment system.
The invention also provides a river sludge treatment method.
The invention has the innovation point that the dredging ship can solve the problems of narrow field space, long-distance transportation and the like, and can thoroughly separate water and mud in the mud.
In order to achieve the purpose, the technical scheme of the invention is as follows: a river sludge treatment system comprises a dredging ship, a grid machine, a dosing device, a mixing tank, a solid-liquid separator and a sedimentation tank, wherein an output pipe of the dredging ship is connected with a material inlet of the grid machine, a material outlet of the grid machine is connected with a material inlet of the mixing tank, the dosing device is connected with a dosing port of the mixing tank through a dosing pipe, the material outlet of the mixing tank is connected with the material inlet of the solid-liquid separator, the solid-liquid separator is respectively a concentration section and a squeezing section from the material inlet of the solid-liquid separator to the sludge outlet of the solid-liquid separator, a water outlet of the concentration section is arranged at the concentration section, a water outlet of the squeezing section is arranged at the squeezing section, and the water outlet of; the water outlet of the squeezing section is communicated with the mixing tank. The grating machine can intercept dead branches and fallen leaves in the river, small stones, plastic bags and other sundries; the filter liquor in the squeezing section has larger dirt content, is further treated after backflow, and the filter liquor in the concentration section has smaller dirt content and is discharged after being sent to a sedimentation tank for treatment.
Furthermore, a buffer tank is arranged between the grating machine and the mixing tank, a material outlet of the grating machine is communicated with a material inlet of the buffer tank, and a material outlet of the buffer tank is communicated with a material inlet of the mixing tank through a second pipeline; a liquid level meter is arranged in the buffer tank, and an output valve is arranged on the output pipe; the water outlet of the squeezing section is communicated with the reflux port of the buffer tank. The buffer tank plays the effect of regulation, and the accessible controls the start-stop of desilting ship.
Furthermore, a sludge return pipe is also arranged on the second pipeline, a first aeration pipe is arranged at the bottom of the buffer tank, one end of the sludge return pipe is communicated with the second pipeline, and the other end of the sludge return pipe is communicated with the first aeration pipe; be equipped with a valve, No. two valves, a sludge pump, electromagnetic flowmeter on No. two pipelines, be equipped with No. three valves on the mud back flow, a valve, a sludge pump are located between the tie point of mud back flow and No. two pipelines to the buffer tank material export, and No. two valves, electromagnetic flowmeter are located between tie point of mud back flow and No. two pipelines to the mixing tank material entry. Prevent the silt in the buffer tank through mud back flow and aeration pipe No. one and subside, guarantee the stability of silt.
Further, be equipped with on the dosing pipe and add the medicine back flow, be equipped with the dosing pump on the dosing pipe, add the both ends that the medicine back flow is connected at the dosing pump, be equipped with No. four valves on adding the medicine back flow, add between the tie point of medicine back flow and dosing pipe and add the medicine pipe and set gradually No. five valves and flowmeters on the dosing pipe of medicine mouth department to the mixing tank. The dosage entering the mixing tank is accurately controlled by the reflux of the dosing reflux pipe.
Furthermore, the sedimentation tank is an inclined plate sedimentation tank, a first branch pipe and a second branch pipe are arranged on the first pipeline, an inclined plate is arranged in the sedimentation tank, a second aeration pipe is arranged below the inclined plate, a third aeration pipe is arranged at the bottom of the sedimentation tank, the first branch pipe is communicated with the second aeration pipe, and the second branch pipe is communicated with the third aeration pipe; and a sixth valve is arranged on the first branch pipe, and a seventh valve is arranged on the second branch pipe. Increase the mobility of mud through No. two aeration pipes, aerate the inclined plate sedimentation tank bottom through No. three aeration pipes, prevent that inclined plate sedimentation tank bottom from blockking up.
Further, the bottom of the sedimentation tank is communicated with a sludge inlet of the mixing tank through a sludge discharge pipe, and the sludge discharge pipe is provided with an eighth valve and a second sludge pump. And (4) continuously carrying out reflux treatment on the sludge at the bottom of the sedimentation tank so as to completely separate the sludge and water in the sludge.
Furthermore, a discharge pipe is arranged at the water outlet of the sedimentation tank, a filter is arranged on the discharge pipe, a discharge branch pipe is arranged on the discharge pipe and is positioned between the filter and the water outlet of the sedimentation tank, a ninth valve is arranged on the discharge branch pipe, a tenth valve, an eleventh valve and a filtrate pump are arranged on the discharge pipe, the tenth valve is positioned between the filter and a connection point of the discharge pipe and the discharge branch pipe, and the eleventh valve and the filtrate pump are positioned between the connection point of the discharge pipe and the discharge branch pipe and the water outlet of the sedimentation tank; the discharge branch pipe is connected with a water filling port of the dosing device. And (3) filtering and discharging part of the water in the sedimentation tank, and sending part of the water in the sedimentation tank to a dosing device to be used as dosing and supplementing water.
Further, the solid-liquid separator is a multi-stage oval-stack solid-liquid separator.
A river sludge treatment method comprises the following steps: (1) conveying river sludge to a grid machine, and enabling the sludge intercepted by the grid machine to enter a mixing tank; (2) adding a flocculating agent into the mixing tank through a dosing device, and coagulating the flocculating agent and the sludge; (3) and (3) after coagulation, the coagulated sludge enters a solid-liquid separator for separation, the separation is divided into two stages, the first stage is a concentration section, the second stage is a squeezing section, concentrated water in the concentration section is discharged after being precipitated in a sedimentation tank, squeezed water in the squeezing section flows back to a mixing tank for further separation, and mud cakes separated by the solid-liquid separator are discharged.
Further, the sludge intercepted by the grating machine in the step (1) firstly enters a buffer tank and then enters a mixing tank from the buffer tank; the squeezed water in the step (3) flows back to the buffer tank, and the sludge amount conveyed to the grating machine is adjusted according to the liquid level in the buffer tank; arranging aeration at the bottom of the buffer tank, and refluxing the sludge part conveyed to the mixing tank by the buffer tank for aeration at the bottom of the buffer tank; aerating the middle part and the bottom of the sedimentation tank by the concentrated water of the concentration section; returning the mud in the sedimentation tank to a buffer tank; and part of the effluent of the sedimentation tank flows back to the dosing device to be used as the dispensing and supplementing water, and part of the effluent is filtered by the filter and then discharged.
The invention has the beneficial effects that:
1. the dredging ship can solve the problems of narrow field space, long-distance conveying and the like, and can thoroughly separate water and mud in the mud.
2. According to the invention, the sedimentation of the silt in the buffer tank can be prevented through the sludge return pipe and the first aerator pipe, so that the stability of the silt is ensured.
3. According to the invention, the dosage entering the mixing tank is accurately controlled through the reflux of the dosing reflux pipe.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a schematic structural view of embodiment 2.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: as shown in figure 1, a river sludge treatment system comprises a dredging boat 1, a grid machine 2, a dosing device 3, a mixing tank 4, a solid-liquid separator 5 and a sedimentation tank 6, wherein an output pipe 7 of the dredging boat 1 is connected with a grid machine material inlet 2.1, a grid machine material outlet 2.2 is connected with a mixing tank material inlet 4.1, the dosing device 3 is connected with a mixing tank dosing port 4.2 through a dosing pipe 8, a dosing backflow pipe 9 is arranged on the dosing pipe 8, a dosing pump 10 is arranged on the dosing pipe 8, the dosing backflow pipe 9 is connected with two ends of the dosing pump 10, a four-number valve 11 is arranged on the dosing backflow pipe 9, a five-number valve 12 and a flowmeter 13 are sequentially arranged on the dosing pipe 8 from the connecting point of the backflow pipe 9 and the dosing pipe 8 to the mixing tank dosing port 4.2, the mixing tank material outlet 4.3 is connected with the solid-liquid separator material inlet 5.1, the solid-liquid separator 5 is a multi-stage elliptical stack solid-liquid separator 5, the solid-liquid separator 5 is divided into two sections from a material inlet 5.1 of the solid-liquid separator to a sludge outlet 5.2 of the solid-liquid separator, namely a concentration section 5.3 and a squeezing section 5.4, a concentration section water outlet 5.5 is arranged at the concentration section 5.3, a squeezing section water outlet 5.6 is arranged at the squeezing section 5.4, the squeezing section water outlet 5.6 is communicated with a mixing tank 4, the concentration section water outlet 5.5 is communicated with a sedimentation tank water inlet 6.1 through a first pipeline 14, the first pipeline 14 is provided with a first branch pipe 14.1 and a second branch pipe 14.2, the sedimentation tank 6 is an inclined plate sedimentation tank 6, an inclined plate 15 is arranged in the sedimentation tank 6, a second aeration pipe 16 is arranged below the inclined plate 15, a third aeration pipe 16.1 is arranged at the bottom of the sedimentation tank 6, the first branch pipe 14.1 is communicated with the second aeration pipe 16, and the second branch pipe 14.2 is; a sixth valve 17 is arranged on the first branch pipe 14.1, a seventh valve 18 is arranged on the second branch pipe 14.2, the bottom of the sedimentation tank 6 is communicated with a sludge inlet 4.4 of the mixing tank through a sludge discharge pipe 19, an eighth valve 20 and a second sludge pump 21 are arranged on the sludge discharge pipe 19, a discharge pipe 22 is arranged at the position of a water outlet 6.2 of the sedimentation tank, a filter 23 is arranged on the discharge pipe 22, a discharge branch pipe 24 is arranged on the discharge pipe 22, the discharge branch pipe 24 is positioned between the filter 23 and the water outlet 6.2 of the sedimentation tank, a ninth valve 25 is arranged on the discharge branch pipe 24, a tenth valve 26, an eleventh valve 27 and a filtrate pump 28 are arranged on the discharge pipe 22, the tenth valve 26 is positioned between the connection points of the filter 23 and the discharge pipe 22 and the discharge branch pipe 24, and the eleventh valve 27 and the filtrate pump 28 are positioned between the connection; the discharge branch pipe 24 is connected with a water filling port 3.1 of the dosing device.
Example 2: as shown in fig. 2, a river sludge treatment system comprises a dredging ship 1, a grid machine 2, a dosing device 3, a mixing tank 4, a solid-liquid separator 5 and a sedimentation tank 6, wherein an output pipe 7 of the dredging ship 1 is connected with a grid machine material inlet 2.1, a buffer tank 29 is arranged between the grid machine 2 and the mixing tank 4, a grid machine material outlet 2.2 is communicated with the buffer tank material inlet 29.1, and a buffer tank material outlet 29.2 is communicated with the mixing tank material inlet 4.1 through a second pipeline 30; a liquid level meter 31 is arranged in the buffer tank 29, and an output valve 32 is arranged on the output pipe 7; the solid-liquid separator 5 is a multi-stage oval solid-liquid separator 5, two sections of the solid-liquid separator 5 from a material inlet 5.1 of the solid-liquid separator to a sludge outlet 5.2 of the solid-liquid separator are respectively a concentration section 5.3 and a squeezing section 5.4, a concentration section water outlet 5.5 is arranged at the concentration section 5.3, a squeezing section water outlet 5.6 is arranged at the squeezing section 5.4, and a concentration section water outlet 5.5 is communicated with a sedimentation tank water inlet 6.1 through a first pipeline 14; a water outlet 5.5 of the squeezing section is communicated with the mixing tank 4, a water outlet 5.6 of the squeezing section is communicated with a return port 29.3 of the buffer tank, a sludge return pipe 33 is also arranged on the second pipeline 30, a first aeration pipe 34 is arranged at the bottom of the buffer tank 29, one end of the sludge return pipe 33 is communicated with the second pipeline 30, and the other end of the sludge return pipe is communicated with the first aeration pipe 34; a first valve 35, a second valve 36, a first sludge pump 37 and an electromagnetic flowmeter 38 are arranged on the second pipeline 30, a third valve 39 is arranged on the sludge return pipe 33, the first valve 35 and the first sludge pump 37 are positioned between the connecting point of the sludge return pipe 33 and the second pipeline 30 and the material outlet 29.2 of the buffer tank, and the second valve 36 and the electromagnetic flowmeter 38 are positioned between the connecting point of the sludge return pipe 33 and the second pipeline 30 and the material inlet 4.1 of the mixing tank; the chemical adding device 3 is connected with a chemical adding port 4.2 of a mixing tank through a chemical adding pipe 8, a chemical adding return pipe 9 is arranged on the chemical adding pipe 8, a chemical adding pump 10 is arranged on the chemical adding pipe 8, the chemical adding return pipe 9 is connected with two ends of the chemical adding pump 10, a four-number valve 11 is arranged on the chemical adding return pipe 9, a five-number valve 12 and a flowmeter 13 are sequentially arranged on the chemical adding pipe 8 between the connection point of the chemical adding return pipe 9 and the chemical adding pipe 8 and at the chemical adding port 4.2 of the mixing tank, a material outlet 4.3 of the mixing tank is connected with a material inlet 5.1 of a solid-liquid separator, the sedimentation tank 6 is an inclined plate sedimentation tank 6, a first branch pipe 14.1 and a second branch pipe 14.2 are arranged on a first pipeline 14, an inclined plate 15 is arranged in the sedimentation tank 6, a second aeration pipe 16 is arranged below the inclined plate 15, a third aeration pipe 16 is arranged at the bottom of the sedimentation tank 6, the first branch pipe 14; a sixth valve 17 is arranged on the first branch pipe 14.1, a seventh valve 18 is arranged on the second branch pipe 14.2, the bottom of the sedimentation tank 6 is communicated with a sludge inlet 4.4 of the mixing tank through a sludge discharge pipe 19, an eighth valve 20 and a second sludge pump 21 are arranged on the sludge discharge pipe 19, a discharge pipe 22 is arranged at the position of a water outlet 6.2 of the sedimentation tank, a filter 23 is arranged on the discharge pipe 22, a discharge branch pipe 24 is arranged on the discharge pipe 22, the discharge branch pipe 24 is positioned between the filter 23 and the water outlet 6.2 of the sedimentation tank, a ninth valve 25 is arranged on the discharge branch pipe 24, a tenth valve 26, an eleventh valve 27 and a filtrate pump 28 are arranged on the discharge pipe 22, the tenth valve 26 is positioned between the connection points of the filter 23 and the discharge pipe 22 and the discharge branch pipe 24, and the eleventh valve 27 and the filtrate pump 28 are positioned between the connection; the discharge branch pipe 24 is connected with a water filling port 3.1 of the dosing device.
Example 3: a river sludge treatment method comprises the steps of conveying river sludge to a grid machine 2, and enabling sludge intercepted by the grid machine 2 to enter a mixing tank 4; adding a flocculating agent into the mixing tank 4 through the dosing device 3, and coagulating the flocculating agent and the sludge; and the coagulated sludge enters a solid-liquid separator 5 for separation, the separation is divided into two stages, the first stage is a concentration section 5.3, the second stage is a squeezing section 5.4, concentrated water of the concentration section 5.3 is precipitated by a sedimentation tank 6 and then discharged, squeezed water of the squeezing section 5.4 flows back to a mixing tank 4 for further separation, and a mud cake separated by the solid-liquid separator 5 is discharged.
Example 4: a river channel silt processing method, convey the silt of the river channel to the grid machine 2, the silt after the grid machine 2 intercepts enters the buffer tank 29 first, regulate and have output valves 32 on the delivery pipe 7 according to the liquid level in the buffer tank 29 so as to regulate the amount of silt conveyed to the grid machine 2, enter the mixing tank 4 from the buffer tank 29; aeration is arranged at the bottom of the buffer tank 29, and the sludge part conveyed to the mixing tank 4 by the buffer tank 29 is refluxed for aeration at the bottom of the buffer tank 29; adding a flocculating agent into the mixing tank 4 through the dosing device 3, and coagulating the flocculating agent and the sludge; and (3) after coagulation, the mixed water enters a solid-liquid separator for separation 5, the separation is divided into two stages, the first stage is a concentration section 5.3, the second stage is a squeezing section 5.4, concentrated water in the concentration section 5.3 is precipitated by a sedimentation tank 6, part of effluent of the sedimentation tank 6 flows back to a dosing device 3 to be used as dosing and supplementary water, and part of effluent is filtered by a filter 23 and then is discharged. Aerating the middle part and the bottom part of the sedimentation tank 6 by the concentrated water of part of the concentration section 16, increasing and decreasing the fluidity of the sludge when aerating the middle part of the sedimentation tank 6, preventing the bottom sludge discharge pipe 19 from being blocked when aerating the bottom part of the sedimentation tank 6, and returning the sludge of the sedimentation tank 6 to the buffer tank 29; the squeezed water in the squeezing section 5.4 flows back to the buffer tank 29 for further separation, and the mud cake separated by the solid-liquid separator 5 is discharged.
The described embodiments are only some embodiments of the invention, not all 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.
Claims (10)
1. A river sludge treatment system is characterized by comprising a dredging ship, a grating machine, a dosing device, a mixing tank, a solid-liquid separator and a sedimentation tank, wherein an output pipe of the dredging ship is connected with a material inlet of the grating machine, a material outlet of the grating machine is connected with a material inlet of the mixing tank, the dosing device is connected with a dosing port of the mixing tank through a dosing pipe, the material outlet of the mixing tank is connected with the material inlet of the solid-liquid separator, the solid-liquid separator is divided into a concentration section and a squeezing section from the material inlet of the solid-liquid separator to the sludge outlet of the solid-liquid separator, the concentration section is provided with a water outlet of the concentration section, the squeezing section is provided with a water outlet of the squeezing section, and the water outlet of the; the water outlet of the squeezing section is communicated with the mixing tank.
2. The river sludge treatment system of claim 1, wherein a buffer tank is further arranged between the grid machine and the mixing tank, the grid machine material outlet is communicated with the buffer tank material inlet, and the buffer tank material outlet is communicated with the mixing tank material inlet through a second pipeline; a liquid level meter is arranged in the buffer tank, and an output valve is arranged on the output pipe; the water outlet of the squeezing section is communicated with the reflux port of the buffer tank.
3. The river sludge treatment system according to claim 2, wherein a sludge return pipe is further arranged on the second pipeline, a first aeration pipe is arranged at the bottom of the buffer tank, one end of the sludge return pipe is communicated with the second pipeline, and the other end of the sludge return pipe is communicated with the first aeration pipe; be equipped with a valve, No. two valves, a sludge pump, electromagnetic flowmeter on No. two pipelines, be equipped with No. three valves on the mud back flow, a valve, a sludge pump are located between the tie point of mud back flow and No. two pipelines to the buffer tank material export, and No. two valves, electromagnetic flowmeter are located between tie point of mud back flow and No. two pipelines to the mixing tank material entry.
4. The riverway sludge treatment system according to claim 1, wherein the dosing pipe is provided with a dosing return pipe, the dosing pipe is provided with a dosing pump, the dosing return pipe is connected to two ends of the dosing pump, the dosing return pipe is provided with four valves, and the five valves and the flowmeter are sequentially arranged on the dosing pipe from a connection point of the dosing return pipe and the dosing pipe to a dosing port of the mixing tank.
5. The river sludge treatment system according to claim 1, wherein the sedimentation tank is an inclined plate sedimentation tank, a first branch pipe and a second branch pipe are arranged on the first pipeline, an inclined plate is arranged in the sedimentation tank, a second aeration pipe is arranged below the inclined plate, a third aeration pipe is arranged at the bottom of the sedimentation tank, the first branch pipe is communicated with the second aeration pipe, and the second branch pipe is communicated with the third aeration pipe; and a sixth valve is arranged on the first branch pipe, and a seventh valve is arranged on the second branch pipe.
6. The river sludge treatment system of claim 5, wherein the bottom of the sedimentation tank is communicated with the sludge inlet of the mixing tank through a sludge discharge pipe, and the sludge discharge pipe is provided with an eighth valve and a second sludge pump.
7. The river sludge treatment system according to claim 6, wherein the outlet of the sedimentation tank is provided with a discharge pipe, the discharge pipe is provided with a filter, the discharge pipe is provided with a discharge branch pipe, the discharge branch pipe is positioned between the filter and the outlet of the sedimentation tank, the discharge branch pipe is provided with a nine-number valve, the discharge pipe is provided with a ten-number valve, an eleven-number valve and a filtrate pump, the ten-number valve is positioned between the filter and a connection point of the discharge pipe and the discharge branch pipe, and the eleven-number valve and the filtrate pump are positioned between a connection point of the discharge pipe and the discharge branch pipe and the outlet of the sedimentation tank; the discharge branch pipe is connected with a water filling port of the dosing device.
8. The river sludge treatment system of claim 1 wherein the solid-liquid separator is a multi-stage elliptical stack solid-liquid separator.
9. A river sludge treatment method is characterized by comprising the following steps:
(1) conveying river sludge to a grid machine, and enabling the sludge intercepted by the grid machine to enter a mixing tank;
(2) adding a flocculating agent into the mixing tank through a dosing device, and coagulating the flocculating agent and the sludge;
(3) and (3) after coagulation, the coagulated sludge enters a solid-liquid separator for separation, the separation is divided into two stages, the first stage is a concentration section, the second stage is a squeezing section, concentrated water in the concentration section is discharged after being precipitated in a sedimentation tank, squeezed water in the squeezing section flows back to a mixing tank for further separation, and mud cakes separated by the solid-liquid separator are discharged.
10. The method of treating river sludge according to claim 9,
the sludge intercepted by the grating machine in the step (1) firstly enters a buffer tank and then enters a mixing tank from the buffer tank;
the squeezed water in the step (3) flows back to the buffer tank, and the sludge amount conveyed to the grating machine is adjusted according to the liquid level in the buffer tank;
arranging aeration at the bottom of the buffer tank, and refluxing the sludge part conveyed to the mixing tank by the buffer tank for aeration at the bottom of the buffer tank;
aerating the middle part and the bottom of the sedimentation tank by the concentrated water of the concentration section;
returning the mud in the sedimentation tank to a buffer tank;
and part of the effluent of the sedimentation tank flows back to the dosing device to be used as the dispensing and supplementing water, and part of the effluent is filtered by the filter and then discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010854755.3A CN111977933A (en) | 2020-08-24 | 2020-08-24 | River sludge treatment system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010854755.3A CN111977933A (en) | 2020-08-24 | 2020-08-24 | River sludge treatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477519A (en) * | 2021-12-31 | 2022-05-13 | 凡贝环境科技(上海)有限公司 | Integrated sewage treatment system and application module thereof |
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- 2020-08-24 CN CN202010854755.3A patent/CN111977933A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477519A (en) * | 2021-12-31 | 2022-05-13 | 凡贝环境科技(上海)有限公司 | Integrated sewage treatment system and application module thereof |
| CN114477519B (en) * | 2021-12-31 | 2023-12-01 | 凡贝环境科技(上海)有限公司 | Integrated sewage treatment system and application module thereof |
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