CN107585896B - Solid impurity sewage treatment device and method - Google Patents
Solid impurity sewage treatment device and method Download PDFInfo
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- CN107585896B CN107585896B CN201710975444.0A CN201710975444A CN107585896B CN 107585896 B CN107585896 B CN 107585896B CN 201710975444 A CN201710975444 A CN 201710975444A CN 107585896 B CN107585896 B CN 107585896B
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- 239000010865 sewage Substances 0.000 title claims abstract description 226
- 239000012535 impurity Substances 0.000 title claims abstract description 96
- 239000007787 solid Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 239000010802 sludge Substances 0.000 claims abstract description 68
- 230000008569 process Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 2
- 239000000126 substance Substances 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000000053 physical method Methods 0.000 description 4
- 238000005842 biochemical reaction Methods 0.000 description 3
- 238000010170 biological method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a solid impurity sewage treatment device and method. Solves the problems of large quantity of equipment, complex method and large energy consumption in the prior sewage treatment. The solid impurity sewage treatment device comprises a base, a settling kettle, a sewage guide pipe, a clear water outlet pipe and a sludge outlet, the device is simple in structure, clear in clear water and sewage pipelines, and sewage treatment can be completed by only one device. According to the solid impurity sewage treatment method, the solid impurity sewage treatment device is utilized, the sludge layer settled at the bottom of the settling kettle is used as a sewage filtering medium, the settling speed of sewage in the settling kettle and the clear water outlet speed are controlled to be balanced by adjusting the sewage injection speed, only one device is needed in the sewage treatment process, no chemical substance is needed to be added, and the method is environment-friendly, energy-saving and environment-friendly. The solid impurity sewage treatment device and the method can be used for treating sewage containing insoluble solid impurities.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a solid impurity sewage treatment device and a solid impurity sewage treatment method.
Background
The sewage treatment refers to a process of purifying sewage in order to make the sewage reach the water body discharge standard or meet the water quality requirement for reuse. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
The sewage treatment can be divided into a physical method, a biological method and a chemical method according to the functions of the sewage treatment. (1) Physical method: mainly utilizes physical action to separate non-soluble substances in the sewage, and does not change chemical properties in the treatment process. Gravity separation, centrifugal separation, reverse osmosis, air flotation, etc. are commonly used. The physical method is simple and economical in treating the structure, and is used for the conditions of large water body capacity, strong self-purification capacity and low requirement on sewage treatment degree. (2) The biological method comprises the following steps: by utilizing the metabolism function of microorganisms, the organic matters in a dissolved or colloidal state in the sewage are decomposed and oxidized into stable inorganic substances, so that the sewage is purified. Commonly used are an activated sludge process and a biofilm process. The biological method has higher treatment degree than the physical method. (3) The chemical method comprises the following steps: the method is a method for treating or recovering dissolved substances or colloidal substances of sewage by utilizing chemical reaction, and is mainly used for industrial wastewater. As the method, coagulation, neutralization, redox, ion exchange, etc. are generally used. The chemical treatment method has good treatment effect and high cost, is mainly used for effluent after biochemical treatment and further treatment, and improves the effluent quality.
The sewage treatment equipment mainly comprises a centrifuge, a sludge dewatering machine, an aerator, a micro-filter, an air flotation machine and an ozone generator, in the existing sewage treatment equipment, a plurality of pieces of equipment are commonly used in a combined way, and the sewage treatment needs a series of equipment, so that the process is complicated. For sewage containing single impurity, the combined sewage treatment equipment has high cost and large energy consumption.
Chinese patent publication No. CN103420483B discloses a sequencing batch sewage treatment apparatus, which comprises a biochemical reaction tank and a plurality of sedimentation tanks, wherein the biochemical reaction tank is divided into an anaerobic zone, an anoxic zone and an aerobic zone, an aeration device and a flow impeller are arranged at the bottom of the biochemical reaction tank, and the sewage treatment apparatus continuously feeds water and intermittently discharges water. The sewage treatment device comprises a plurality of treatment devices, water pipes and pipelines are mixed, the sewage treatment cost is high, the sewage treatment efficiency is not ideal, and the sewage treatment device is not suitable for treating sewage with single impurity types.
Chinese patent publication No. CN104445680B discloses a sewage treatment apparatus, which comprises a sewage lift pump, a debris filter screen, a sedimentation treatment tank, and a sewage purification tank. The sewage treatment device relates to 4 treatment devices, has high sewage treatment cost and large energy consumption, and is not suitable for treating sewage with single impurity type.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a solid impurity sewage treatment device under the condition that the types of impurities contained in sewage are single, particularly solid impurities, the solid impurity sewage treatment device can be used in parallel, and the method for treating sewage by using the device is simple.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a solid impurity sewage treatment device comprises a base, a settling kettle, a sewage guide pipe, a clear water outlet pipe and a sludge outlet, wherein the upper part of the settling kettle is a cylinder, the lower part of the settling kettle is a cone, the top end of the settling kettle is provided with a circular groove, the bottom of the circular groove is provided with a plurality of round holes, one end of the sewage guide pipe is hermetically connected with the round hole at the bottom of the circular groove, the other end of the sewage guide pipe extends to the joint of the upper part and the lower part of the settling kettle, the sewage guide pipe is fixed on the wall surface of the settling kettle, the clear water outlet pipe comprises a vertical upper part and a horizontal lower part, the upper end of the vertical upper part is a clear water inlet, one end of the horizontal lower part is a clear water outlet, the other end of the horizontal lower part is sealed, the, the horizontal lower part of the clear water outlet pipe is fixed below an annular groove of the settling kettle, a clear water outlet of the clear water outlet pipe extends out of the settling kettle, the sludge discharge port is formed in the bottom of the settling kettle, and the settling kettle is installed on the base. The whole process of sewage treatment of the solid impurity sewage treatment device is completed in the settling kettle, only one treatment device is involved in the whole process, the solid impurity sewage treatment work can be completed only by one step, and the sewage treatment cost can be reduced; solid impurity sewage treatment plant, its sewage honeycomb duct and clear water outlet pipe pipeline are simple clear, can not cause the confusion.
The clear water inlet is higher than the bottom surface of the annular groove. Can ensure that the discharged clear water meets the requirement of the discharged water quality.
The pipe diameter of clear water outlet pipe is greater than the pipe diameter of sewage honeycomb duct. Ensures that the sewage treatment efficiency of the solid impurity sewage treatment device is higher on the basis that the discharged clear water meets the discharge requirement.
The bottom of the cylinder of the settling kettle is provided with a transparent observation window, and the half height of the cylinder of the settling kettle is provided with the transparent observation window. The sludge amount in the solid impurity sewage treatment device can be observed through the transparent observation window so as to carry out the next sewage treatment work.
And a workbench which has the same height as the solid impurity sewage treatment device is arranged beside the solid impurity sewage treatment device. The arrangement of the workbench can facilitate observation of the sewage treatment condition in the solid impurity sewage treatment device.
The upper part, the middle part and the lower part of the solid impurity sewage treatment device are respectively provided with 2 lifting lugs. Because of solid impurity sewage treatment plant is bulky, the installation is dismantled the degree of difficulty greatly, and the setting of lug makes things convenient for solid impurity sewage treatment plant's installation to dismantle.
A solid impurity sewage treatment method utilizes a solid impurity sewage treatment device, and comprises the following steps:
step 1: injecting sewage into the annular groove, adjusting the sewage injection speed to enable the liquid level in the annular groove to be lower than the top of the annular groove, enabling the sewage to flow into the settling kettle along the sewage guide pipe, and stopping injecting the sewage when the height of the sewage in the settling kettle is two centimeters away from the horizontal lower part of the clear water outlet pipe;
step 2: standing the sewage in the step 1 for 24-48 hours to enable the sludge in the sewage to be completely settled to the bottom of a settling kettle to form a sludge layer, wherein clear water is arranged above the sludge layer, whether the sludge overflows the bottom of a sewage flow guide pipe is checked through a transparent observation window at the bottom end of a cylinder of the settling kettle, if the thickness of the sludge layer is not enough, clear water in the settling kettle is drained, the sewage is injected according to the step 1, and the standing is carried out for 24-48 hours until the sludge overflows the bottom of the sewage flow guide pipe;
and step 3: injecting sewage into the annular groove, wherein solid impurities in the sewage are filtered by a sludge layer which is used for filtering impurities in the solid impurity sewage, the impurities in the solid impurity sewage are left in the sludge layer, the filtered water passes through the sludge layer from bottom to top and then gradually rises to a clear water inlet, and the filtered water gradually settles by gravity in the process of rising to the clear water inlet, the closer the water is to the clear water inlet, the clearer the water reaching the clear water inlet is clear water which can reach the standard discharge, when the liquid level in the settling kettle is higher than the clear water inlet of the clear water outlet pipe, the clear water flows into the clear water outlet pipe and flows out to the clear water outlet, the injection speed of the sewage is adjusted to ensure that the settling speed of the sewage and the water outlet speed of the clear water are balanced, the sewage is continuously injected, the sludge in the settling kettle is continuously accumulated, and a transparent observation window at the half height of a cylinder at the upper part of the settling kettle is observed, stopping injecting the sewage when the sludge is found;
and 4, step 4: when sludge overflows the transparent observation window at the half height of the upper cylinder of the settling kettle, opening a sludge discharge port, discharging the sludge through the sludge discharge port, observing the transparent observation window at the bottom end of the cylinder of the settling kettle, and when a sludge layer falls to the transparent observation window at the bottom end of the cylinder of the settling kettle, closing the sludge discharge port;
and 5: and (5) repeating the step (3) and the step (4) to treat the solid impurity sewage.
According to the solid impurity sewage treatment method, a sludge layer is formed at the bottom of the settling kettle by utilizing sludge settled in sewage to filter sewage flowing in the rear part, the settling speed of the sewage in the settling kettle and the water outlet speed of clear water are controlled to be balanced by adjusting the sewage injection speed, no chemical substance is required to be added in the sewage treatment process, and the method is green, energy-saving and environment-friendly.
The solid impurity sewage treatment method is characterized in that a plurality of solid impurity sewage treatment devices are connected in parallel for use. By using the sewage treatment device in parallel, the sewage treatment capacity can be increased.
According to the solid impurity sewage treatment method, the solid impurity sewage treatment device is cleaned once every quarter. Regularly wash solid class impurity sewage treatment plant, improve sewage treatment efficiency.
Compared with the prior art, the invention has the following advantages and effects: the whole process of sewage treatment of the solid impurity sewage treatment device is completed in the settling kettle, only one treatment device is involved in the whole process, the solid impurity sewage treatment can be completed in one step, and the sewage treatment cost can be greatly reduced; solid impurity sewage treatment plant, its sewage honeycomb duct and clear water outlet pipe pipeline are simple clear, can not cause the confusion. According to the solid impurity sewage treatment method, the solid impurity sewage treatment device is utilized, a sludge layer is formed on the bottom of the settling kettle by sludge settled in sewage, so that sewage flowing in the settling kettle can be filtered, the settling speed of the sewage in the settling kettle and the water outlet speed of clean water are controlled to be balanced by adjusting the sewage injection speed, no chemical substance is required to be added in the sewage treatment process, and the solid impurity sewage treatment method is environment-friendly, energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic structural view of a solid impurity sewage treatment apparatus according to the present invention.
FIG. 2 is a schematic view showing the direction of water flow in the sewage treatment of the solid impurity sewage treatment apparatus of the present invention.
In the figure, 1 is the base, 2 is the setting kettle, 3 is the sewage honeycomb duct, 4 is the clear water outlet pipe, 5 is the silt discharge port, 6 is the ring channel, 7 is the round hole, 8 is transparent observation window, 9 is the workstation, 10 is the lug, 11 is the clear water entry, 12 is the clear water export, 13 is the sewage flow direction, 14 is the clear water flow direction.
Detailed Description
The technical solutions of the present invention are further specifically described below by way of embodiments with reference to the drawings, and the following embodiments are illustrative of the present invention and the present invention is not limited to the following embodiments.
Examples are given.
Referring to fig. 1 and 2, the invention discloses a solid impurity sewage treatment device, which comprises a base 1, a settling kettle 2, a sewage guide pipe 3, a clear water outlet pipe 4 and a sludge outlet 5, wherein the upper part of the settling kettle 2 is a cylinder, the lower part of the settling kettle 2 is a cone, the top end of the settling kettle 2 is provided with an annular groove 6, the bottom of the annular groove 6 is provided with a plurality of round holes 7, one end of the sewage guide pipe 3 is hermetically connected with the round holes 7 at the bottom of the annular groove 6, the other end of the sewage guide pipe 3 extends to the joint of the upper part and the lower part of the settling kettle 2, the sewage guide pipe 3 is fixed on the wall surface of the settling kettle 2, the clear water outlet pipe 4 comprises a vertical upper part and a horizontal lower part, the upper end of the vertical upper part is a clear water inlet 11, one end of, the height of clear water entry 11 is less than the top of ring channel 6, the vertical upper portion and the horizontal lower part intercommunication of clear water outlet pipe 4, the horizontal lower part of clear water outlet pipe 4 is fixed in under the ring channel 6 of settling kettle 2, clear water outlet 12 of clear water outlet pipe 4 extends outside settling kettle 2, silt discharge port 5 sets up in settling kettle 2 bottom, settling kettle 2 installs on base 1. The whole process of the solid impurity sewage treatment device is completed in the settling kettle 2, and the whole process only relates to one treatment device, so that the sewage treatment cost can be greatly reduced; the solid impurity sewage treatment device has simple and clear sewage guide pipe 3 and clear water outlet pipe 4 pipelines, and can not cause confusion.
In this embodiment, the height of the clean water inlet 11 is higher than the bottom surface of the annular groove 6. Can ensure that the discharged clear water meets the requirement of the discharged water quality.
In this embodiment, the pipe diameter of the clean water outlet pipe 4 is larger than that of the sewage guide pipe 3. Ensures that the sewage treatment efficiency of the solid impurity sewage treatment device is higher on the basis that the discharged clear water meets the discharge requirement.
In this embodiment, the bottom end of the cylinder of the settling kettle 2 is provided with a transparent observation window 8. The setting of transparent observation window 8 conveniently looks over the position of silt in settling tank 2 to carry out next sewage treatment work.
In this embodiment, a transparent observation window 8 is disposed at a position of one-half height of the cylinder of the settling tank 2. The setting of transparent observation window 8 conveniently looks over the position of silt in settling tank 2 to carry out next sewage treatment work.
In this embodiment, a workbench 9 having the same height as the solid impurity sewage treatment device is disposed beside the solid impurity sewage treatment device. The working table 9 is arranged, so that the sewage treatment condition in the solid impurity sewage treatment device can be monitored conveniently.
In this embodiment, the upper, middle and lower parts of the solid impurity sewage treatment device are respectively provided with 2 lifting lugs 10. Because of solid impurity sewage treatment plant is bulky, the installation is dismantled the degree of difficulty greatly, and the setting of lug 10 makes things convenient for solid impurity sewage treatment plant's installation to dismantle.
The invention also discloses a solid impurity sewage treatment method, which comprises the following steps:
step 1: injecting sewage into the annular groove 6, adjusting the sewage injection speed to enable the liquid level in the annular groove 6 to be lower than the top of the annular groove 6, enabling the sewage to flow into the settling kettle 2 along the sewage guide pipe 3, and stopping injecting the sewage when the height of the sewage in the settling kettle 2 is two centimeters away from the horizontal lower part of the clear water outlet pipe 4;
step 2: standing the sewage in the step 1 for 24-48 hours to enable the sludge in the sewage to be completely settled to the bottom of the settling kettle 2 to form a sludge layer, wherein clear water is arranged above the sludge layer, whether the sludge overflows the bottom of the sewage guide pipe 3 is checked through a transparent observation window 8 at the bottom end of a cylinder of the settling kettle 2, if the thickness of the sludge layer is not enough, the clear water in the settling kettle 2 is drained, the sewage is injected according to the step 1, and the standing is carried out for 24-48 hours until the sludge overflows the bottom of the sewage guide pipe 3;
and step 3: injecting sewage into the annular groove 6, wherein solid impurities in the sewage are filtered by a sludge layer which is used for filtering impurities in the solid impurity sewage, the impurities in the solid impurity sewage are left in the sludge layer, the filtered water passes through the sludge layer from bottom to top and then gradually rises to the clear water inlet 11, on the other hand, the water filtered from the sludge layer gradually settles with the impurities in the process of rising to the clear water inlet 11 due to gravity, the closer water to the clear water inlet 11 is the clearer water, the clearer water reaching the clear water inlet 11 is clear water which can reach the standard discharge, when the liquid level in the settling kettle 2 is higher than the clear water inlet 11 of the clear water outlet pipe 4, the clear water flows into the clear water outlet pipe 4 and flows out to the clear water outlet 12, the injection speed of the sewage is adjusted to ensure that the settling speed of the sewage and the water outlet speed of the clear water are balanced, continuously injecting the sewage, and continuously accumulating sludge in the settling kettle 2, observing a transparent observation window 8 at the position of half height of the cylinder at the upper part of the settling kettle 2, and stopping injecting sewage when finding sludge;
and 4, step 4: when sludge overflows the transparent observation window 8 at the half height of the upper cylinder of the settling kettle 2, opening the sludge discharge port 5, discharging the sludge through the sludge discharge port 5, observing the transparent observation window 8 at the bottom end of the cylinder of the settling kettle 2, and when a sludge layer falls to the transparent observation window 8 at the bottom end of the cylinder of the settling kettle 2, closing the sludge discharge port 5;
and 5: and (5) repeating the step (3) and the step (4) to treat the solid impurity sewage.
According to the solid impurity sewage treatment method, a sludge layer is formed at the bottom of the settling kettle 2 by utilizing sludge settled in sewage to filter sewage flowing in the rear part, the settling speed of the sewage in the settling kettle 2 and the water outlet speed of clear water are controlled to be balanced by adjusting the sewage injection speed, no chemical substance is required to be added in the sewage treatment process, and the method is green, energy-saving and environment-friendly.
In this embodiment, the solid impurity sewage treatment method is implemented by connecting a plurality of solid impurity sewage treatment apparatuses in parallel according to the amount of sewage to be treated. By using the sewage treatment device in parallel, the sewage treatment capacity can be increased.
In the solid impurity sewage treatment method in this embodiment, the solid impurity sewage treatment apparatus is cleaned once every quarter. Regularly wash solid class impurity sewage treatment plant, improve sewage treatment efficiency.
In addition, it should be noted that the shapes of the components, the names of the components, and the like of the specific embodiments described in the present specification may be different, and the above description is only an illustration of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a solid impurity sewage treatment plant, includes base, settling kettle, sewage honeycomb duct and clear water outlet pipe, its characterized in that: the upper part of the settling kettle is a cylinder, the lower part of the settling kettle is a cone, the top end of the settling kettle is provided with an annular groove, the bottom of the annular groove is provided with a plurality of round holes, one end of a sewage guide pipe is hermetically connected with the round hole at the bottom of the annular groove, the other end of the sewage guide pipe extends to the joint of the upper part and the lower part of the settling kettle, the sewage guide pipe is fixed on the wall surface of the settling kettle, the clear water outlet pipe comprises a vertical upper part and a horizontal lower part, the upper end of the vertical upper part is a clear water inlet, one end of the horizontal lower part is a clear water outlet, the other end of the horizontal lower part is sealed, the height of the clear water inlet is lower than the top of the annular groove, the vertical upper part of the clear water outlet pipe is communicated with the horizontal lower, the solid impurity sewage treatment device further comprises a sludge discharge port, wherein the sludge discharge port is formed in the bottom of the settling kettle, and the settling kettle is installed on the base.
2. The solid impurity sewage treatment plant according to claim 1, wherein: the clear water inlet is higher than the bottom surface of the annular groove.
3. The solid impurity sewage treatment plant according to claim 1, wherein: the pipe diameter of clear water outlet pipe is greater than the pipe diameter of sewage honeycomb duct.
4. The solid impurity sewage treatment plant according to claim 1, wherein: transparent observation windows are arranged at the bottom end of the cylinder of the settling kettle and at the position of one-half height of the cylinder of the settling kettle.
5. The solid impurity sewage treatment plant according to claim 1, wherein: and a workbench which has the same height as the solid impurity sewage treatment device is arranged beside the solid impurity sewage treatment device.
6. The solid impurity sewage treatment plant according to claim 1, wherein: the upper part, the middle part and the lower part of the solid impurity sewage treatment device are respectively provided with 2 lifting lugs.
7. A solid impurity sewage treatment method, characterized in that, the solid impurity sewage treatment device of any claim 1 to 6 is used, the solid impurity sewage treatment method comprises the following steps:
step 1: injecting sewage into the annular groove, adjusting the sewage injection speed to enable the liquid level in the annular groove to be lower than the top of the annular groove, enabling the sewage to flow into the settling kettle along the sewage guide pipe, and stopping injecting the sewage when the height of the sewage in the settling kettle is two centimeters away from the horizontal lower part of the clear water outlet pipe;
step 2: standing the sewage in the step 1 for 24-48 hours to enable the sludge in the sewage to be completely settled to the bottom of a settling kettle to form a sludge layer, wherein clear water is arranged above the sludge layer, whether the sludge overflows the bottom of a sewage flow guide pipe is checked through a transparent observation window at the bottom end of a cylinder of the settling kettle, if the thickness of the sludge layer is not enough, clear water in the settling kettle is drained, the sewage is injected according to the step 1, and the standing is carried out for 24-48 hours until the sludge overflows the bottom of the sewage flow guide pipe;
and step 3: injecting sewage into the annular groove, wherein solid impurities in the sewage are filtered by a sludge layer which is used for filtering impurities in the solid impurity sewage, the impurities in the solid impurity sewage are left in the sludge layer, the filtered water passes through the sludge layer from bottom to top and then gradually rises to a clear water inlet, and the filtered water gradually settles by gravity in the process of rising to the clear water inlet, the closer the water is to the clear water inlet, the clearer the water reaching the clear water inlet is clear water which can reach the standard discharge, when the liquid level in the settling kettle is higher than the clear water inlet of the clear water outlet pipe, the clear water flows into the clear water outlet pipe and flows out to the clear water outlet, the injection speed of the sewage is adjusted to ensure that the settling speed of the sewage and the water outlet speed of the clear water are balanced, the sewage is continuously injected, the sludge in the settling kettle is continuously accumulated, and a transparent observation window at the half height of a cylinder at the upper part of the settling kettle is observed, stopping injecting the sewage when the sludge is found;
and 4, step 4: when sludge overflows the transparent observation window at the half height of the upper cylinder of the settling kettle, opening a sludge discharge port, discharging the sludge through the sludge discharge port, observing the transparent observation window at the bottom end of the cylinder of the settling kettle, and when a sludge layer falls to the transparent observation window at the bottom end of the cylinder of the settling kettle, closing the sludge discharge port;
and 5: and (5) repeating the step (3) and the step (4) to treat the solid impurity sewage.
8. The method of claim 7, wherein a plurality of solid impurity wastewater treatment apparatuses are used in parallel.
9. The method of claim 7, wherein the solid impurity wastewater treatment facility is cleaned once per quarter.
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| CN201710975444.0A CN107585896B (en) | 2017-10-19 | 2017-10-19 | Solid impurity sewage treatment device and method |
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| CN201710975444.0A CN107585896B (en) | 2017-10-19 | 2017-10-19 | Solid impurity sewage treatment device and method |
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| CN107585896A CN107585896A (en) | 2018-01-16 |
| CN107585896B true CN107585896B (en) | 2020-07-24 |
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| CN111097207A (en) * | 2020-03-07 | 2020-05-05 | 杭州富阳伟文环保科技有限公司 | Sludge sand setting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2256422Y (en) * | 1996-04-12 | 1997-06-18 | 国家海洋局海洋环境保护研究所 | Mixing and agglutinating settling waste water treating equipment |
| EP1882508A3 (en) * | 2006-07-28 | 2008-04-23 | Oekag Wassertechnik (Schweiz) AG | Method and device for cleaning wastewater polluted with coarse, fine and very fine material and a filter for filtering wastewater polluted with coarse, fine and very fine material |
| CN201793438U (en) * | 2010-07-27 | 2011-04-13 | 江苏省纯江环保科技有限公司 | High-turbidity water purifier |
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- 2017-10-19 CN CN201710975444.0A patent/CN107585896B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2256422Y (en) * | 1996-04-12 | 1997-06-18 | 国家海洋局海洋环境保护研究所 | Mixing and agglutinating settling waste water treating equipment |
| EP1882508A3 (en) * | 2006-07-28 | 2008-04-23 | Oekag Wassertechnik (Schweiz) AG | Method and device for cleaning wastewater polluted with coarse, fine and very fine material and a filter for filtering wastewater polluted with coarse, fine and very fine material |
| CN201793438U (en) * | 2010-07-27 | 2011-04-13 | 江苏省纯江环保科技有限公司 | High-turbidity water purifier |
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