CN110790444A - Magnetic sedimentation tank for sewage purification and purification method thereof - Google Patents
Magnetic sedimentation tank for sewage purification and purification method thereof Download PDFInfo
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- CN110790444A CN110790444A CN201911042985.3A CN201911042985A CN110790444A CN 110790444 A CN110790444 A CN 110790444A CN 201911042985 A CN201911042985 A CN 201911042985A CN 110790444 A CN110790444 A CN 110790444A
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/484—Treatment of water, waste water, or sewage with magnetic or electric fields using electromagnets
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
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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
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/48—Devices for applying magnetic or electric fields
- C02F2201/483—Devices for applying magnetic or electric fields using coils
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a magnetic sedimentation tank for sewage purification, which comprises a closed box body (1), wherein the lower part of the box body (1) is provided with a dosing mixing bin (2), the dosing mixing bin (2) is connected with an electromagnetic reaction bin (4), the electromagnetic reaction bin (5) is connected with a chemical reaction bin (7), the lower part of the chemical reaction bin (7) is connected with a sewage water distributor (8) and a sewage diverter (9), and an inverted cone-shaped sludge settling chamber (10) is arranged below the sewage diverter (9); the lower end of the sludge outlet pipe (11) is arranged at the bottom of the sludge settling chamber (10), and the upper end of the sludge outlet pipe is connected with a sludge discharge port (12) at the upper part of the box body (1); a circle of overflow groove (13) is connected to the side wall of the box body (1), and the overflow groove (13) is connected with a clean water port (14) on the side wall of the box body (1). The invention has the advantages of integration of multiple functions, floor area saving, investment cost saving, simplicity, high efficiency, higher settling speed, better treatment effect and smoother sludge discharge.
Description
Technical Field
The invention relates to the technical field of sewage purification equipment, in particular to a magnetic sedimentation tank for sewage purification and a purification method thereof.
Background
At present, a sewage purification treatment device generally comprises a stirring tank, a sedimentation tank, a hydrolysis acidification tank, an aerobic tank, an air floatation machine and other equipment, occupies a large area, can complete final purification treatment by sequentially carrying out sterilization, oxidation reduction, decolorization, COD reduction, air floatation solid-liquid separation and other processes, is complex and complicated, and increases investment cost and operation cost.
Meanwhile, in the existing sewage purification device, the sewage sedimentation speed is low, the treatment effect is relatively poor, the mud-water separation is not thorough, the water content of the discharged mud is high, and the cost of the subsequent filter pressing treatment is greatly increased; in order to improve the solid-liquid separation effect, the mixing and stirring of the liquid medicine and the wastewater are generally carried out by adopting a mechanical mode, and in addition, a mud scraper is also adopted to treat sludge deposition, so that the energy consumption is increased, and the equipment also occupies the installation space.
Disclosure of Invention
The invention aims to solve the problems of low sewage settling speed, complex working procedures and poor purification effect of the existing sewage purification treatment device, and provides a magnetic sedimentation tank for sewage purification, which can accelerate the sewage settling speed, improve the purification efficiency, save the investment cost and the operation cost, save energy and protect environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a magnetic sedimentation tank for sewage purification comprises a closed box body, wherein the lower part of the box body is provided with a dosing mixing bin, the dosing mixing bin is connected with an electromagnetic reaction bin through a water inlet pipe, and a group of electromagnetic generators are arranged in the electromagnetic reaction bin and are used for performing electromagnetic treatment on sewage;
the electromagnetic reaction bin is connected with a chemical reaction bin through a water outlet pipe, the lower part of the chemical reaction bin is connected with a sewage distributor, a sewage splitter is arranged in a box body right opposite to the lower part of the sewage distributor, and an inverted cone-shaped sludge settling chamber is arranged below the sewage splitter and used for settling sludge after chemical reaction;
the box body is also internally provided with a sludge outlet pipe, the lower end of the sludge outlet pipe is arranged at the bottom of the sludge settling chamber, and the upper end of the sludge outlet pipe is connected with a sludge discharge port at the upper part of the box body so as to discharge settled sludge upwards along the sludge outlet pipe;
the side wall of the box body above the sludge discharge port is connected with a circle of overflow groove, and the side wall of the box body at one side of the overflow groove is provided with a clear water port for discharging clear water which passes through the overflow groove after rising.
Further, the electromagnetic generator is a set of electromagnetic coils.
Furthermore, an unpowered mixing device is arranged in the chemical reaction bin and is used for fully mixing the sewage and the chemical agents.
Furthermore, an automatic drain valve is arranged between the overflow groove and the clear water port.
Furthermore, an automatic sludge discharge valve is arranged between the sludge outlet pipe and the sludge discharge port.
In order to further achieve the purpose of the invention, the invention also provides a magnetic precipitation method for sewage purification, which comprises the following specific steps:
(1) introducing the sewage to be treated into a dosing mixing bin to be mixed with the medicines;
(2) the mixed sewage enters an electromagnetic reaction bin through a water inlet pipe and is subjected to electromagnetic reaction under the action of an electromagnetic generator;
(3) the sewage after the electromagnetization enters the chemical reaction bin from the top through the water outlet pipe, reacts with the medicament in the chemical reaction bin to generate flocculation precipitation, and is subjected to sterilization, oxidation reduction, decoloration, COD reduction and air flotation solid-liquid separation;
(4) the sewage after the chemical reaction flows downwards along the chemical reaction bin, the area of a water flow passage is gradually increased after passing through the sewage water distributor and the sewage flow divider, the water flow is gradually slowed down, and the magnetized, flocculated and precipitated sewage is subjected to mud-water separation under the action of gravity;
(5) the sludge is settled in a sludge settling chamber below, clear water floats on the upper layer, and rises along the box body along with the increase of the treatment capacity, and the gravity of the clear water generates high pressure on the sludge settled at the bottom, so that the sludge is pressed into the sludge outlet pipe and is discharged upwards along the sludge outlet pipe through the sludge discharge port;
(6) the clean water which gradually rises reaches the overflow groove and is discharged through the clean water port of the overflow groove.
According to the technical scheme, the electromagnetic reaction bin and the chemical reaction bin are used for magnetizing and chemically treating the sewage to replace a traditional mixing sedimentation tank and an air floatation tank, so that energy is saved, the magnetized sewage is high in sedimentation speed and good in sedimentation effect, the requirements of sterilization, oxidation reduction, decoloration, COD reduction and air floatation solid-liquid separation can be met, multiple functions are integrated, and the cost and the occupied area are saved.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic sedimentation tank for sewage purification according to the present invention.
Detailed Description
Example 1
In order to make the present invention more clear, a magnetic sedimentation tank for sewage purification and a purification method thereof according to the present invention will be further described with reference to the accompanying drawings, and the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
As shown in fig. 1, a magnetic sedimentation tank for sewage purification comprises a closed box body 1, and is characterized in that:
the lower part of the box body 1 is provided with a dosing mixing bin 2, the dosing mixing bin 2 is connected with an electromagnetic reaction bin 4 through a water inlet pipe 3, and a group of electromagnetic generators 5 are arranged in the electromagnetic reaction bin 4 and used for electromagnetically magnetizing sewage;
the electromagnetic reaction bin 4 is connected with a vertical chemical reaction bin 7 through a water outlet pipe 6, and an unpowered mixing device 15 is arranged in the chemical reaction bin 7 and used for fully mixing sewage and chemical agents;
the lower part of the chemical reaction bin 7 is connected with a sewage distributor 8, a sewage splitter 9 is connected in the box body 1 which is right opposite to the lower part of the sewage distributor 8, and an inverted cone-shaped sludge settling chamber 10 is arranged below the sewage splitter 9 and used for settling sludge after chemical reaction;
a sludge outlet pipe 11 is also arranged in the box body 1, the lower end of the sludge outlet pipe 11 is arranged at the bottom of the sludge settling chamber 10, and the upper end of the sludge outlet pipe is connected with a sludge discharge port 12 at the upper part of the box body 1 so as to discharge settled sludge upwards along the sludge outlet pipe;
a circle of overflow groove 13 is connected on the side wall of the box body 1 above the sludge discharge port 12, and a clear water port 14 is arranged on the side wall of the box body 1 at one side of the overflow groove 13 and used for discharging clear water which passes through the overflow groove after rising.
The electromagnetic generator 5 is a group of electromagnetic coils connected with a voltage-stabilizing direct-current power supply.
An automatic drain valve is arranged between the overflow groove 13 and the clear water port 14, an automatic mud valve is arranged between the mud outlet pipe 11 and the mud outlet 12, the automatic drain valve adopts a caliber of DN 100-200, and the automatic mud valve adopts a caliber of DN 100.
The magnetic precipitation method for purifying sewage by using the device comprises the following specific steps:
(1) introducing the sewage to be treated into a dosing mixing bin 2 to be mixed with the medicines;
(2) the mixed sewage enters an electromagnetic reaction bin 4 through a water inlet pipe 3 and is subjected to electromagnetic reaction under the action of an electromagnetic generator 5;
(3) the sewage after the electromagnetization enters a chemical reaction bin 7 from the top through a water outlet pipe 6, reacts with a medicament in the chemical reaction bin 7 under the action of an unpowered mixing device 15 to generate flocculation precipitation, and is subjected to sterilization, oxidation reduction, decoloration, COD reduction and air flotation solid-liquid separation;
(4) the sewage after the chemical reaction flows downwards along the chemical reaction bin 7, after passing through the sewage water distributor 8 and the sewage flow divider 9, the area of a water flow passage is gradually increased, the water flow is gradually slowed down, and the sewage subjected to the magnetized flocculation precipitation is subjected to mud-water separation under the action of gravity;
(5) the sludge is settled in the sludge settling chamber 10 at the lower part, the clear water floats on the upper layer, along with the increase of the treatment capacity, the clear water rises along the box body 1, and the gravity of the clear water generates high pressure to the sludge settled at the bottom, so that the sludge is pressed into the sludge outlet pipe 11 and is upwards discharged from the sludge outlet 12 along the sludge outlet pipe 11;
(6) the clean water gradually rising up reaches the overflow launder 13 and is discharged through the clean water port 14 of the overflow launder 13.
In the invention, the electromagnetic reaction bin forms an electromagnetic field through the direct-current power supply, sewage passes through the electromagnetic reaction bin to perform a magnetization reaction in the electromagnetic field, the sewage is easier to flocculate and precipitate after being magnetized, pollutants are flocculated, gathered and magnetized, the sludge precipitation speed of the magnetization flocculation is high, and the sludge is automatically discharged through the sludge discharge valve after being settled to the bottom of the equipment; the sewage purification device provided by the invention integrates multiple functions of a traditional stirring tank, a flocculation sedimentation tank, decoloration and the like, greatly saves the occupied area and the investment cost, is simple and efficient, has shorter retention time, better treatment effect and smoother sludge discharge.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a magnetization sedimentation tank for sewage purification, includes confined box (1), its characterized in that:
the lower part of the box body (1) is provided with a dosing mixing bin (2), the dosing mixing bin (2) is connected with an electromagnetic reaction bin (4) through a water inlet pipe (3), and a group of electromagnetic generators (5) are arranged in the electromagnetic reaction bin (4);
the electromagnetic reaction bin (5) is connected with a chemical reaction bin (7) vertically arranged in the box body (1) through a water outlet pipe (6), the lower part of the chemical reaction bin (7) is connected with a sewage distributor (8), a sewage flow divider (9) is arranged in the box body (1) which is right opposite to the lower part of the sewage distributor (8), and an inverted cone-shaped sludge settling chamber (10) is arranged below the sewage flow divider (9);
a sludge outlet pipe (11) is also arranged in the box body (1), the lower end of the sludge outlet pipe (11) is arranged at the bottom of the sludge settling chamber (10), and the upper end of the sludge outlet pipe is connected with a sludge discharge port (12) at the upper part of the box body (1);
a circle of overflow groove (13) is connected on the side wall of the box body (1) above the sludge discharge port (12), and the overflow groove (13) is connected with a clean water port (14) on the side wall of the box body (1).
2. The magnetic sedimentation tank for sewage purification according to claim 1, wherein:
the electromagnetic generator (5) is a group of electromagnetic coils.
3. The magnetic sedimentation tank for wastewater purification according to claim 1 or 2, wherein:
an unpowered mixing device (15) is arranged in the chemical reaction bin (7).
4. The magnetic sedimentation tank for wastewater purification according to claim 1 or 2, wherein:
an automatic drain valve is arranged between the overflow groove (13) and the clear water port (14).
5. The magnetic sedimentation tank for wastewater purification according to claim 1 or 2, wherein:
an automatic sludge discharge valve is arranged between the sludge outlet pipe (11) and the sludge discharge port (12).
6. The method for purifying the sewage in the magnetized sedimentation tank as claimed in claim 1, which comprises the following steps:
the method comprises the following steps: introducing the sewage to be treated into a dosing mixing bin (2) to be mixed with the medicines;
step two: the mixed sewage enters an electromagnetic reaction bin (4) through a water inlet pipe (3) and is subjected to electromagnetic reaction under the action of an electromagnetic generator (5);
step three: the sewage after the electromagnetization enters the chemical reaction bin (7) from the top through the water outlet pipe (6) and reacts with the medicament in the chemical reaction bin (7) to generate flocculation precipitation;
step four: after the sewage after the chemical reaction downwards passes through a sewage water distributor (8) and a sewage flow divider (9), the sewage after the magnetic flocculation precipitation is subjected to mud-water separation under the action of gravity;
step five: the sludge is settled in a sludge settling chamber (10) at the lower part, and the high pressure generated by the clear water presses the sludge into a sludge outlet pipe (11) and is discharged from a sludge discharge port (12) upwards along the sludge outlet pipe (11);
step six: the clean water rises along the box body (1) to reach the overflow trough (13) and is discharged through a clean water port (14) of the overflow trough (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911042985.3A CN110790444A (en) | 2019-10-30 | 2019-10-30 | Magnetic sedimentation tank for sewage purification and purification method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911042985.3A CN110790444A (en) | 2019-10-30 | 2019-10-30 | Magnetic sedimentation tank for sewage purification and purification method thereof |
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| Publication Number | Publication Date |
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| CN110790444A true CN110790444A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911042985.3A Pending CN110790444A (en) | 2019-10-30 | 2019-10-30 | Magnetic sedimentation tank for sewage purification and purification method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732168A (en) * | 2020-07-07 | 2020-10-02 | 恩曼技术（北京）有限公司 | Heavy nuclear high-density sewage purification method and device thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201890792U (en) * | 2010-11-18 | 2011-07-06 | 中冶东方工程技术有限公司上海分公司 | Chemical-magnetism reactive precipitation apparatus |
| CN207227201U (en) * | 2017-09-25 | 2018-04-13 | 云南曲靖呈钢钢铁（集团）有限公司 | A kind of sewage disposal system of smelting iron and steel factory |
-
2019
- 2019-10-30 CN CN201911042985.3A patent/CN110790444A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201890792U (en) * | 2010-11-18 | 2011-07-06 | 中冶东方工程技术有限公司上海分公司 | Chemical-magnetism reactive precipitation apparatus |
| CN207227201U (en) * | 2017-09-25 | 2018-04-13 | 云南曲靖呈钢钢铁（集团）有限公司 | A kind of sewage disposal system of smelting iron and steel factory |
Non-Patent Citations (1)
| Title |
|---|
| 全国爱国卫生运动委员会办公室: "《中国农村给水工程施工技术手册》", 31 January 1990, 北京：农村读物出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732168A (en) * | 2020-07-07 | 2020-10-02 | 恩曼技术（北京）有限公司 | Heavy nuclear high-density sewage purification method and device thereof |
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Application publication date: 20200214 |
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