CN111943389A - Domestic wastewater treatment device and method - Google Patents
Domestic wastewater treatment device and method Download PDFInfo
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- CN111943389A CN111943389A CN201910416836.2A CN201910416836A CN111943389A CN 111943389 A CN111943389 A CN 111943389A CN 201910416836 A CN201910416836 A CN 201910416836A CN 111943389 A CN111943389 A CN 111943389A
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- domestic wastewater
- separation
- wastewater treatment
- tank
- water
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a domestic wastewater treatment device and a method thereof, and the domestic wastewater treatment device comprises a separation tank, a sedimentation tank and an oxidation tank, wherein the separation tank is provided with a separation plate, a cobble layer is arranged on the lower side of the separation plate, a fine sand pile is arranged on the lower right side of the cobble layer, a separation wall is arranged on the right side of the separation tank, a filter screen is arranged on the lower side of the separation wall, a water outlet is arranged on the right side of the separation wall, a water insulation pile is arranged on the right side of the water outlet, the sedimentation tank is provided with a water inlet pipe, a sludge outlet is arranged on the lower side of the water inlet pipe, a slope is arranged on the right side of the sludge outlet, the surface of the slope is provided with a rotating wheel, the right; the domestic wastewater treatment device and the method thereof have low use cost, separate solid particles in the domestic wastewater, decompose organic matters in the domestic wastewater and kill germs in the domestic wastewater, and do not generate secondary pollution.
Description
Technical Field
The invention relates to the technical field, in particular to a domestic wastewater treatment device and a method thereof.
Background
The sewage is directly discharged without treatment, which not only influences the life of people, but also pollutes the surrounding environment, so the sewage generated in project areas is treated, and the treated effluent is used as landscape water, thereby reducing the pollution to the environment, effectively utilizing water resources and saving water sources.
Domestic wastewater refers to washing water discharged in daily life of residents, and only a small part of the wastewater is treated, and most of the wastewater is directly discharged into rivers and the like without treatment; smaller cities are more severe; excrement and the like are generally not directly discharged but have collection measures; the pollutant components in the wastewater are extremely complex and various, the purpose of complete purification cannot be achieved by any treatment method, and the treatment requirements can be met only by forming a treatment system by a plurality of methods; the existing sewage treatment device in the market is relatively complex, and the use cost and the manufacturing cost are high, so that the popularization is not facilitated.
Disclosure of Invention
Technical problem to be solved
In view of the above technical problems, an object of the present invention is to provide a domestic wastewater treatment apparatus and a method thereof, so as to solve at least one of the above problems.
(II) technical scheme
According to one aspect of the invention, the domestic wastewater treatment device comprises a separation tank, a sedimentation tank and an oxidation tank, wherein the separation tank is provided with a separation plate, a cobble layer is arranged on the lower side of the separation plate, a fine sand pile is arranged on the lower right side of the cobble layer, a separation wall is arranged on the right side of the separation tank, a filter screen is arranged on the lower side of the separation wall, a water outlet is arranged on the right side of the separation wall, a water-proof pile is arranged on the right side of the water outlet, the sedimentation tank is provided with a water inlet pipe, a sludge outlet is arranged on the lower side of the water inlet pipe, a slope is arranged on the right side of the sludge outlet, a rotating wheel is arranged on the surface of the slope, the oxidation tank is arranged on the right side of the sedimentation tank, an ozone generator.
In some embodiments, the separation plate is porous and is a ptfe material.
In some embodiments, the pebble bed is mixed with cullet.
In some embodiments, the fine sand heap is mixed with activated carbon.
In some embodiments, the water outlet is filled with fine sand and activated carbon, and the height of the filling is the same as the height of the fine sand pile.
In some embodiments, the water inlet pipe is L-shaped, and the length of the parallel part of the water inlet pipe and the sedimentation tank is larger than the diameter of the sludge outlet.
According to still another aspect of the present invention, there is provided a domestic wastewater treatment method including the steps of:
the domestic wastewater flows into a separation tank to separate large particles in the domestic wastewater, and the diameter of the large particles is more than 0.5 mm; domestic wastewater;
the domestic wastewater flows into a sedimentation tank to separate small particles and heavy metal ions in the domestic wastewater, wherein the diameter of the small particles is less than 0.5 mm;
the domestic wastewater flows into the oxidation pond to decompose organic matters in the domestic wastewater and kill germs in the domestic wastewater.
In some embodiments, the height of the domestic wastewater in the separation tank is greater than the height of the water-insulated pile.
(III) advantageous effects
According to the technical scheme, the domestic wastewater treatment device and the domestic wastewater treatment method provided by the invention have the following beneficial effects:
(1) the separation plate, the cobblestone layer, the glass slag and the fine sand pile arranged on the separation pool can separate large particles in the domestic wastewater, the fine sand pile is mixed with active carbon which can adsorb smaller particles in the domestic wastewater, the separation plate, the cobblestone layer, the glass slag, the fine sand pile and the active carbon can be repeatedly used, and the domestic wastewater filtering cost is reduced.
(2) Ozone is used as an oxidant to decompose organic matters in the domestic wastewater and kill germs in the domestic wastewater, and the ozone does not bring secondary pollution.
(3) The inlet tube is the L type, and the length of inlet tube and sedimentation tank parallel position is greater than the diameter of mud outlet, and when domestic waste water got into the sedimentation tank by the inlet tube, the torrent of production can not influence the precipitate of sedimentation tank bottom, has improved the efficiency of sediment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic flow chart of the present invention.
In the figure, 1-a separation tank, 2-a separation plate, 3-a cobble layer, 4-a fine sand pile, 5-a filter screen, 6-a separation wall, 7-a water outlet, 8-a water insulation pile, 9-a water inlet pipe, 10-a mud outlet, 11-an information processing module, 12-a slope, 13-a sedimentation tank, 14-an ozone generator, 15-an oxidation tank and 16-a water discharge pipe.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. 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.
To facilitate understanding of the present embodiment, first, a domestic wastewater treatment apparatus and a method thereof disclosed in the embodiments of the present invention will be described in detail, as shown in fig. 1, which includes a separation tank 1, a sedimentation tank 13 and an oxidation tank 15, the separation tank 1 is provided with a separation plate 2, the separation plate 2 is porous, when domestic wastewater enters a pebble layer 3 from holes of the separation plate 2, large particles are separated from the domestic wastewater by the holes, the separation plate 2 is made of teflon, is resistant to acid and alkali and corrosion, has a long service life, the underside of the separation plate 2 is provided with the pebble layer 3, the pebble layer 3 is mixed with cullet, the pebble layer 3 and the cullet separate solid particles in the domestic wastewater, the pebble layer 3 and the cullet, is low in cost and can be repeatedly used, the right underside of the pebble layer 3 is provided with a fine sand pile 4, the fine sand pile 4 is mixed with activated carbon and can adsorb smaller particles in domestic wastewater, the right side of the separation tank 1 is provided with a separation wall 6, the lower side of the separation wall 6 is provided with a filter screen 5, the right side of the separation wall 6 is provided with a water outlet 7, the water outlet 7 is filled with fine sand and activated carbon to improve the separation amount of solid particles, the filling height is the same as the height of the fine sand pile 4, so that the pressure born by the two sides of the separation wall 6 is the same, the separation wall 6 is prevented from falling down due to the fact that the pressure of the single side is large, the right side of the water outlet 7 is provided with a water insulation pile 8, the right side of the water insulation pile 8 is provided with a sedimentation tank 13, the sedimentation tank 13 is provided with a water inlet pipe 9, the lower side of the water inlet pipe 9 is provided with a sludge outlet 10, the water inlet pipe 9 is L-shaped, the length of the parallel part of the water inlet pipe 9 and the, the sedimentation efficiency is improved, the slope 12 is arranged on the right side of the sludge outlet 10, the rotating wheel 11 is arranged on the surface of the slope 12, the oxidation pond 15 is arranged on the right side of the sedimentation pond 13, the ozone generator 14 is arranged in the oxidation pond 15, and the drain pipe 16 is arranged at the bottom of the right side of the oxidation pond 15.
As shown in fig. 2, a domestic wastewater treatment method comprises the following steps:
the domestic wastewater flows into a separation tank 1 to separate large particles in the domestic wastewater, and the diameter of the large particles is more than 0.5 mm; the domestic wastewater firstly contacts the separation plate 2, the separation plate 2 is porous, when the domestic wastewater enters the cobble layer 3 from the holes of the separation plate 2, large particles are separated from the domestic wastewater by the holes, the domestic wastewater enters the cobble layer 3, the cobble layer 3 and the cullet slag separate solid particles in the domestic wastewater, the domestic wastewater enters the fine sand pile 4, the fine sand pile 4 filters the domestic wastewater, the solid particles in the domestic wastewater are separated, the fine sand pile 4 is mixed with active carbon which can adsorb smaller particles in the domestic wastewater, the domestic wastewater enters the filter screen 5, enters the water outlet 7 through the filter screen 5 and then enters the sedimentation tank 13 after passing through the water-proof pile 8, the height of the domestic wastewater in the separation tank 1 is larger than that of the water-proof pile 8, and the domestic wastewater can be ensured to pass through the water-proof pile 8.
The domestic wastewater flows into a sedimentation tank 13 to separate small particles and heavy metal ions in the domestic wastewater, wherein the diameter of the small particles is less than 0.5 mm; the precipitating agent is put into the sedimentation tank 13, the rotating wheel 11 is started to fully mix the precipitating agent with the domestic wastewater, the rotating speed of the rotating wheel 11 is reduced again, the rotating wheel 11 is enabled to slowly rotate, the generated precipitate falls onto the surface of the slope 12, the rotating wheel 11 drives the precipitate to slide from the surface of the slope 12 to the position near the sludge outlet 10, the sludge outlet 10 is opened, and the precipitate is discharged from the sludge outlet 10.
The domestic wastewater flows into the oxidation pond 15 to decompose organic matters in the domestic wastewater and kill germs in the domestic wastewater; domestic wastewater flows into the oxidation pond 15 through the slope 12, the ozone generator 14 is started, generated ozone is conveyed to the bottom of the oxidation pond 15 and is fully contacted with the domestic wastewater, the ozone decomposes organic matters in the domestic wastewater and kills germs in the domestic wastewater, and secondary pollution is avoided.
According to the technical scheme, the domestic wastewater treatment device and the method thereof provided by the invention have the following beneficial effects:
(1) according to the invention, the separation plate, the cobblestone layer, the glass slag and the fine sand pile arranged in the separation pool can separate large particles in the domestic wastewater, the fine sand pile is mixed with the active carbon and can adsorb smaller particles in the domestic wastewater, and the separation plate, the cobblestone layer, the glass slag, the fine sand pile and the active carbon can be repeatedly used for multiple times, so that the domestic wastewater filtering cost is reduced.
(2) In the invention, ozone is used as an oxidant to decompose organic matters in the domestic wastewater and kill germs in the domestic wastewater, and the ozone does not bring secondary pollution.
(3) According to the invention, the water inlet pipe is L-shaped, the length of the parallel part of the water inlet pipe and the sedimentation tank is larger than the diameter of the sludge outlet, when domestic wastewater enters the sedimentation tank from the water inlet pipe, the generated turbulent flow cannot influence sediment at the bottom of the sedimentation tank, and the sedimentation efficiency is improved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A domestic wastewater treatment device comprises a separation tank (1), a sedimentation tank (13) and an oxidation tank (15), and is characterized in that the separation tank (1) is provided with a separation plate (2), a cobble layer (3) is arranged on the lower side of the separation plate (2), a fine sand pile (4) is arranged on the lower right side of the cobble layer (3), a separation wall (6) is arranged on the right side of the separation tank (1), a filter screen (5) is arranged on the lower side of the separation wall (6), a water outlet (7) is arranged on the right side of the separation wall (6), a water insulation pile (8) is arranged on the right side of the water outlet (7), the sedimentation tank (13) is arranged on the right side of the water insulation pile (8), the sedimentation tank (13) is provided with a water inlet pipe (9), a sludge outlet (10) is arranged on the lower side of the water inlet pipe (9), a slope (12) is arranged on the right side of the, an oxidation pond (15) is arranged on the right side of the sedimentation pond (13), an ozone generator (14) is arranged on the oxidation pond (15), and a drain pipe (16) is arranged at the bottom of the right side of the oxidation pond (15).
2. The domestic wastewater treatment apparatus according to claim 1, wherein said separation plate (2) is porous and made of polytetrafluoroethylene.
3. The domestic wastewater treatment apparatus according to claim 1, wherein said cobble layer (3) is mixed with cullet.
4. The domestic wastewater treatment apparatus according to claim 1, wherein said fine sand heap (4) is mixed with activated carbon.
5. The domestic wastewater treatment apparatus according to claim 1, wherein the water outlet (7) is filled with fine sand and activated carbon at the same height as the fine sand pile (4).
6. The domestic wastewater treatment apparatus according to claim 1, wherein the inlet pipe (9) is L-shaped, and the length of the parallel portion of the inlet pipe (9) and the sedimentation tank (13) is larger than the diameter of the sludge outlet (10).
7. A domestic wastewater treatment method, based on the domestic wastewater treatment device according to claim 1, comprising the steps of:
the domestic wastewater flows into a separation tank (1) to separate large particles in the domestic wastewater, and the diameter of the large particles is more than 0.5 mm;
the domestic wastewater flows into a sedimentation tank (13) to separate small particles and heavy metal ions in the domestic wastewater, and the diameter of the small particles is less than 0.5 mm;
the domestic wastewater flows into the oxidation pond (15) to decompose organic matters in the domestic wastewater and kill germs in the domestic wastewater.
8. A domestic wastewater treatment process according to claim 7, wherein the height of the domestic wastewater in the separation tank (1) is greater than the height of the water-proof heap (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910416836.2A CN111943389A (en) | 2019-05-17 | 2019-05-17 | Domestic wastewater treatment device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910416836.2A CN111943389A (en) | 2019-05-17 | 2019-05-17 | Domestic wastewater treatment device and method |
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| CN111943389A true CN111943389A (en) | 2020-11-17 |
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| CN201910416836.2A Pending CN111943389A (en) | 2019-05-17 | 2019-05-17 | Domestic wastewater treatment device and method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692998Y (en) * | 2004-04-20 | 2005-04-20 | 中国水产科学研究院南海水产研究所 | Disposal system for cleaning circulating water of abalone breeding |
| US20090090673A1 (en) * | 2007-07-31 | 2009-04-09 | Aquafiber Technologies Corporation | Water Remediation and Biosolids Collection System and Associated Methods |
| CN104150689A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | Device and method for purifying sewage by utilizing horizontal subsurface flow constructed wetland |
| CN104150698A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | Device and method for advanced treatment of rural domestic water through M type constructed wetland |
| WO2016028719A1 (en) * | 2014-08-17 | 2016-02-25 | Henry Obermeyer | Method and apparatus for treating water in a watercourse |
| CN206008114U (en) * | 2016-07-30 | 2017-03-15 | 北京建研环保设备有限公司 | A kind of improved rectangular sedimentation tank |
| CN106966529A (en) * | 2017-05-25 | 2017-07-21 | 江苏德利泰电气有限公司 | Biochemical efficient sewage disposal device |
| CN109467221A (en) * | 2018-12-13 | 2019-03-15 | 博大绿泽生态建设集团有限公司 | A kind of environment-friendly type gardens sewage water treatment method |
-
2019
- 2019-05-17 CN CN201910416836.2A patent/CN111943389A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692998Y (en) * | 2004-04-20 | 2005-04-20 | 中国水产科学研究院南海水产研究所 | Disposal system for cleaning circulating water of abalone breeding |
| US20090090673A1 (en) * | 2007-07-31 | 2009-04-09 | Aquafiber Technologies Corporation | Water Remediation and Biosolids Collection System and Associated Methods |
| CN104150689A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | Device and method for purifying sewage by utilizing horizontal subsurface flow constructed wetland |
| CN104150698A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | Device and method for advanced treatment of rural domestic water through M type constructed wetland |
| WO2016028719A1 (en) * | 2014-08-17 | 2016-02-25 | Henry Obermeyer | Method and apparatus for treating water in a watercourse |
| CN206008114U (en) * | 2016-07-30 | 2017-03-15 | 北京建研环保设备有限公司 | A kind of improved rectangular sedimentation tank |
| CN106966529A (en) * | 2017-05-25 | 2017-07-21 | 江苏德利泰电气有限公司 | Biochemical efficient sewage disposal device |
| CN109467221A (en) * | 2018-12-13 | 2019-03-15 | 博大绿泽生态建设集团有限公司 | A kind of environment-friendly type gardens sewage water treatment method |
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Application publication date: 20201117 |