CN112028295A - High-concentration organic wastewater treatment device - Google Patents
High-concentration organic wastewater treatment device Download PDFInfo
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- CN112028295A CN112028295A CN202010696650.XA CN202010696650A CN112028295A CN 112028295 A CN112028295 A CN 112028295A CN 202010696650 A CN202010696650 A CN 202010696650A CN 112028295 A CN112028295 A CN 112028295A
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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- Organic Chemistry (AREA)
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Abstract
The invention relates to a high-concentration organic wastewater treatment device, which comprises a dilution tank (1), a carbon washing tower (2), an oxidation tower (3), a secondary carbon washing tower (4) and a resin adsorption tank (5) which are connected in sequence, wherein a spray pipe (7), a powder blowing device (8), a vibration plate (9) and a sieve plate (10) are arranged in the carbon washing tower (2); an oxidizing liquid sprayer (11) and a rotary spraying pipe (12) are arranged in the oxidation tower (3), one end of the rotary spraying pipe (12) is connected with a rotary motor (13), and a group of spraying ports (14) are arranged on the rotary spraying pipe; the secondary carbon washing tower (4) is internally provided with a water distribution pipe (15) and a coal powder adsorption plate (16), and the bottom of the resin adsorption tank (5) is provided with a water outlet (5 a). The invention has the advantages that the traditional activated carbon can be replaced to purify the wastewater, the cost is reduced, and simultaneously the wastewater can be purified after layer-by-layer filtration and contact reaction, the peculiar smell is eliminated, and the treatment effect is improved.
Description
Technical Field
The invention relates to the technical field of wastewater treatment equipment, in particular to a high-concentration organic wastewater treatment device.
Background
The high-concentration organic wastewater mainly has the following characteristics:
(1) high concentration of organic matter: COD is generally more than 2000mg/L, some is even as high as tens of thousands or even hundreds of thousands, relatively speaking, BOD is lower, and the ratio of BOD to COD of a lot of waste water is less than 0.3;
(2) the components are complex: the organic matters in the toxic wastewater are mostly aromatic compounds and heterocyclic compounds, and also contain sulfides, nitrides, heavy metals and toxic organic matters;
(3) high color and peculiar smell: some waste water emits pungent and foul odor, which causes adverse effects on the surrounding environment;
(4) the fertilizer has strong acid and strong alkalinity, so that the receiving water body is anoxic and even anaerobic, and most aquatic organisms die.
At present, the mode of treating high-concentration organic wastewater is single, the treatment effect is limited, the cost of adsorbing by using activated carbon is high, and the application range is small.
Disclosure of Invention
The invention aims to solve the problems of single treatment mode, poor effect and high cost of the existing high-concentration organic wastewater, and provides a high-concentration organic wastewater treatment device which can replace the traditional activated carbon to purify the wastewater, reduce the cost, purify the wastewater after layer-by-layer filtration and contact reaction, eliminate peculiar smell and improve the treatment effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-concentration organic wastewater treatment device comprises a dilution tank, wherein the dilution tank is connected with a carbon washing tower through a first water inlet pipe, the top of the carbon washing tower is provided with a group of spray pipes connected with the first water inlet pipe, two sides of the carbon washing tower, which are right opposite to the lower part of the spray pipes, are provided with a pair of powder blowing devices, each powder blowing device comprises a pulverized coal bin connected to the side wall of the carbon washing tower and a blower connected with the pulverized coal bin, the granularity of pulverized coal in the pulverized coal bin is less than 50 mu m, the blowing direction of the blower faces to the inside of the carbon washing tower, the middle part of the carbon washing tower is provided with a group of inclined vibration plates, the two vibration plates are mutually staggered and respectively connected to two sides of the carbon washing tower, and the lower part of the carbon washing tower is connected with a screen plate for intercepting adsorbed pulverized coal and filtering adsorbed wastewater to the bottom of the carbon washing tower;
the bottom of the carbon washing tower is connected with an oxidation tower through a second water inlet pipe, the top of the oxidation tower is provided with a group of oxidation liquid sprayers, the middle of the oxidation tower is provided with a group of rotary spraying pipes, one end of each rotary spraying pipe is connected with the second water inlet pipe, the other end of each rotary spraying pipe is connected with a rotary motor connected to the outer wall of the oxidation tower, and the rotary spraying pipes are provided with a group of uniform spraying openings so as to ensure that the wastewater is in contact reaction with the oxidation liquid sprayed from the top more uniformly in the rotary spraying process;
the bottom of the oxidation tower is connected with a secondary carbon washing tower through a third water inlet pipe, the upper part of the secondary carbon washing tower is provided with a group of water distribution pipes connected with the third water inlet pipe, the middle part of the secondary carbon washing tower is provided with a group of coal dust adsorption plates which are parallel up and down, and the coal dust adsorption plates are wave-shaped filter plates for increasing the area of coal dust and improving the adsorption effect;
the bottom of the secondary carbon washing tower is connected with a resin adsorption tank through a fourth water inlet pipe, and the bottom of the resin adsorption tank is provided with a water outlet connected with the next process;
all be equipped with a suction pump on first inlet tube, second inlet tube, third inlet tube and the fourth inlet tube to the top of the tower that is used for taking out the waste water at the bottom of the tower to next treating column.
Further, the angle alpha between the vibration plate and the horizontal direction is 30 degrees.
Furthermore, the included angle beta between the sieve plate and the horizontal direction is 30-45 degrees, an ash outlet is arranged on the side wall of the carbon washing tower which is right opposite to the lowest position of the sieve plate, and the ash outlet is connected with a combustion furnace through a pipeline so as to recycle the adsorbed coal powder.
Furthermore, a mixed reagent of hydrogen peroxide and ferrous ions is adopted in the oxidizing liquid sprayer.
Furthermore, one side of the secondary carbon washing tower, which is opposite to the coal dust adsorption plate, is provided with a cleaning port, and the cleaning port is connected with a combustion furnace through a pipeline so as to be used for replacing new coal dust and recycling old coal dust.
Compared with the prior art, the invention has the advantages that:
(1) fine-grained coal dust is blown into the carbon washing tower by a blowing method in the carbon washing tower, so that the coal dust is more fully and uniformly contacted with the wastewater, and the adsorption efficiency and the purification effect are improved;
(2) the combined application of the vibrating plates prolongs the contact time and the path of the coal powder and the wastewater, and further enhances the contact reaction time and the treatment effect of the coal powder and the wastewater;
(3) the wastewater is sprayed out of the oxidation tower in a rotary spraying mode, so that the distribution uniformity of the wastewater in the oxidation tower is improved, and the wastewater is better in contact reaction with an oxidizing solution;
(4) the traditional adsorption tank adopts activated carbon, and the invention adopts resin for adsorption, so that the invention has wide practical range, is not influenced by inorganic salt in the wastewater, has good adsorption effect, easy elution and regeneration and stable performance;
(5) the coal powder absorbed in the carbon washing tower and the secondary carbon washing tower can be conveyed to a combustion furnace for recycling, so that the high-efficiency circulation is realized, and the environment is protected.
Drawings
FIG. 1 is a schematic view showing the construction of a high concentration organic wastewater treatment apparatus according to the present invention.
Detailed Description
Example 1
In order to make the present invention more clear, a high concentration organic wastewater treatment apparatus according to the present invention will be further described with reference to the accompanying drawings, and the specific examples described herein are only for illustrating the present invention and are not intended to limit the present invention.
As shown in fig. 1, a high concentration organic wastewater treatment device comprises a dilution tank 1, and is characterized in that:
the diluting pool 1 is connected with a carbon washing tower 2 through a first water inlet pipe 17, the top of the carbon washing tower 2 is provided with a group of spray pipes 7 connected with the first water inlet pipe 17, a pair of powder blowing devices 8 are arranged on two sides of the carbon washing tower 2 which are right opposite to the lower part of the spray pipes 7, each powder blowing device 8 comprises a coal powder bin 8b connected to the side wall of the carbon washing tower 2 and a blower 8a connected with the coal powder bin 8b, the granularity of coal powder in the coal powder bin 8b is below 50 mu m, and the blowing direction of the blower 8a is arranged towards the inside of the carbon washing tower 2;
a group of inclined vibration plates 9 are arranged in the middle of the carbon washing tower 2, the included angle alpha between each vibration plate 9 and the horizontal direction is 30 degrees, two connected vibration plates 9 are mutually staggered and are respectively connected to the two sides of the carbon washing tower 2, and the lower part of the carbon washing tower 2 is connected with a screen plate 10 for intercepting the adsorbed coal dust and filtering the adsorbed wastewater to the bottom of the carbon washing tower;
an included angle beta between the sieve plate 10 and the horizontal direction is 30-45 degrees, an ash outlet 2a is arranged on the side wall of the carbon washing tower 2 which is right opposite to the lowest position of the sieve plate 10, and the ash outlet 2a is connected with a combustion furnace 6 through a pipeline so as to recycle the adsorbed coal powder.
The bottom of the carbon washing tower 2 is connected with an oxidation tower 3 through a second water inlet pipe 18, the top of the oxidation tower 3 is provided with a group of oxidation liquid sprayers 11, the middle part of the oxidation tower 3 is provided with a group of rotary spray pipes 12, and a mixed reagent of hydrogen peroxide and ferrous ions is adopted in the oxidation liquid sprayers 11;
one end of each rotary spraying pipe 12 is connected with a second water inlet pipe 18, the other end of each rotary spraying pipe is connected with a rotary motor 13 connected to the outer wall of the oxidation tower 3, and a group of uniform spraying openings 14 are formed in each rotary spraying pipe 12 to ensure that wastewater is more uniformly contacted and reacted with oxidation liquid sprayed from the top in the rotary spraying process.
The bottom of the oxidation tower 3 is connected with a secondary carbon washing tower 4 through a third water inlet pipe 19, the upper part of the secondary carbon washing tower 4 is provided with a group of water distribution pipes 15 connected with the third water inlet pipe 19, the middle part is provided with a group of coal dust adsorption plates 16 which are parallel up and down, and the coal dust adsorption plates 16 are wave-shaped filter plates for increasing the area of coal dust and improving the adsorption effect;
one side of the secondary carbon washing tower 4, which is opposite to the coal dust adsorption plate 16, is provided with a cleaning port 4a, and the cleaning ports 4a are connected with the combustion furnace 6 through pipelines so as to be used for replacing new coal dust and recycling old coal dust;
the bottom of the secondary carbon washing tower 4 is connected with a resin adsorption tank 5 through a fourth water inlet pipe 20, and the bottom of the resin adsorption tank 5 is provided with a water outlet 5a connected with the next process;
and the first water inlet pipe 17, the second water inlet pipe 18, the third water inlet pipe 19 and the fourth water inlet pipe 20 are all provided with a water suction pump 21 for pumping the wastewater at the bottom of the tower to the top of the next treatment tower.
In the invention, wastewater firstly enters a dilution tank 1 for dilution, then is pumped into a spray pipe 7 of a carbon washing tower 2 by a water pump 21 for spraying, and simultaneously a blower 8a blows coal powder in a coal powder bin 8b to the wastewater, the coal powder is fully mixed and contacted with the wastewater in the air, then the wastewater falls onto a vibration plate 9 below the blower for further adsorption and contact, the adsorbed coal powder is discharged to a combustion furnace 6 for combustion, the treated wastewater falls into the bottom of the carbon washing tower 2 and is pumped into an oxidation tower 3, the wastewater is rotationally sprayed out by a rotary spray pipe 12 and is contacted with an oxidation liquid for oxidation reaction, the oxidized wastewater enters a secondary carbon washing tower 4, is adsorbed and filtered by the coal powder layer by layer in the tower, finally is discharged into a resin adsorption tank 5 from the bottom of the tower, and is discharged after treatment.
The wastewater treatment device can enable the wastewater to be in contact reaction with various adsorbents and oxidizing liquid more fully and uniformly, improve the adsorption efficiency and the purification effect, simultaneously convey the adsorbed coal powder to a combustion furnace for recycling, save the environment and expand the application range of the resin adsorbent without being influenced by inorganic salt in the wastewater, and has good adsorption effect, easy elution and regeneration and stable performance.
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 (5)
1. The utility model provides a high concentration organic waste water treatment device, includes dilution pond (1), its characterized in that:
the diluting tank (1) is connected with a carbon washing tower (2) through a first water inlet pipe (17), the top of the carbon washing tower (2) is provided with a group of spray pipes (7) connected with the first water inlet pipe (17), two sides of the carbon washing tower (2) facing the lower part of the spray pipes (7) are provided with a pair of powder blowing devices (8), each powder blowing device (8) comprises a pulverized coal bin (8 b) connected to the side wall of the carbon washing tower (2) and a blower (8 a) connected with the pulverized coal bin (8 b), the particle size of pulverized coal in the pulverized coal bin (8 b) is less than 50 mu m, and the blowing direction of the blower (8 a) faces the inside of the carbon washing tower (2);
a group of inclined vibration plates (9) are arranged in the middle of the carbon washing tower (2), two vibration plates (9) are connected in a staggered manner and are respectively connected to two sides of the carbon washing tower (2), and the lower part of the carbon washing tower (2) is connected with a screen plate (10);
the bottom of the carbon washing tower (2) is connected with an oxidation tower (3) through a second water inlet pipe (18), the top of the oxidation tower (3) is provided with a group of oxidation liquid sprayers (11), the middle part of the oxidation tower is provided with a group of rotary spraying pipes (12), one end of each rotary spraying pipe (12) is connected with the second water inlet pipe (18), the other end of each rotary spraying pipe is connected with a rotary motor (13) connected to the outer wall of the oxidation tower (3), and the rotary spraying pipes (12) are provided with a group of uniform spraying openings (14);
the bottom of the oxidation tower (3) is connected with a secondary carbon washing tower (4) through a third water inlet pipe (19), the upper part of the secondary carbon washing tower (4) is provided with a group of water distribution pipes (15) connected with the third water inlet pipe (19), the middle part of the secondary carbon washing tower is provided with a group of coal dust adsorption plates (16) which are parallel up and down, and the coal dust adsorption plates (16) are wave-shaped filter plates;
the bottom of the secondary carbon washing tower (4) is connected with a resin adsorption tank (5) through a fourth water inlet pipe (20), and the bottom of the resin adsorption tank (5) is provided with a water outlet (5 a);
and the first water inlet pipe (17), the second water inlet pipe (18), the third water inlet pipe (19) and the fourth water inlet pipe (20) are all provided with a water suction pump (21).
2. The apparatus for treating high concentration organic wastewater according to claim 1, wherein:
the included angle alpha between the vibration plate (9) and the horizontal direction is 30 degrees.
3. The apparatus for treating high concentration organic wastewater according to claim 1 or 2, characterized in that:
the included angle beta between the sieve plate (10) and the horizontal direction is 30-45 degrees, an ash outlet (2 a) is arranged on the side wall of the carbon washing tower (2) which is right opposite to the lowest part of the sieve plate (10), and the ash outlet (2 a) is connected with a combustion furnace (6) through a pipeline.
4. The apparatus for treating high concentration organic wastewater according to claim 1 or 2, characterized in that:
the mixed reagent of hydrogen peroxide and ferrous ions is adopted in the oxidizing liquid sprayer (11).
5. The apparatus for treating high concentration organic wastewater according to claim 1 or 2, characterized in that:
one side of the secondary carbon washing tower (4) which is opposite to the coal dust adsorption plate (16) is provided with a cleaning opening (4 a), and the cleaning opening (4 a) is connected with a combustion furnace (6) through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010696650.XA CN112028295B (en) | 2020-07-20 | 2020-07-20 | High-concentration organic wastewater treatment device |
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| CN202010696650.XA CN112028295B (en) | 2020-07-20 | 2020-07-20 | High-concentration organic wastewater treatment device |
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| CN112028295A true CN112028295A (en) | 2020-12-04 |
| CN112028295B CN112028295B (en) | 2023-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114716106A (en) * | 2022-04-14 | 2022-07-08 | 浙江晶立捷环境科技有限公司 | Ginseng filtrate wastewater treatment method and implementation system |
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| CN104030523A (en) * | 2014-05-30 | 2014-09-10 | 石家庄德正环保科技有限公司 | Deep treatment method of coking wastewater |
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| CN107010780A (en) * | 2017-03-16 | 2017-08-04 | 浙江水利水电学院 | A kind of purification method of urban rainwater and its hydraulic jump formula filter used |
| CN206570120U (en) * | 2017-02-13 | 2017-10-20 | 吉林省水文水资源局（吉林省水环境监测中心） | A kind of high concentrated organic wastewater processing unit |
| CN209501254U (en) * | 2018-12-18 | 2019-10-18 | 江苏省环境科学研究院 | A kind of device improving the continuous adsorption desorption heat energy utilization of active carbon |
| CN110540328A (en) * | 2019-07-30 | 2019-12-06 | 张家港市大新污水处理有限公司 | Organic wastewater and sewage treatment equipment and sewage treatment method |
-
2020
- 2020-07-20 CN CN202010696650.XA patent/CN112028295B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030523A (en) * | 2014-05-30 | 2014-09-10 | 石家庄德正环保科技有限公司 | Deep treatment method of coking wastewater |
| CN204939022U (en) * | 2015-08-28 | 2016-01-06 | 浙江爱科乐环保有限公司 | A kind for the treatment of unit of high concentrated organic wastewater |
| CN206570120U (en) * | 2017-02-13 | 2017-10-20 | 吉林省水文水资源局（吉林省水环境监测中心） | A kind of high concentrated organic wastewater processing unit |
| CN107010780A (en) * | 2017-03-16 | 2017-08-04 | 浙江水利水电学院 | A kind of purification method of urban rainwater and its hydraulic jump formula filter used |
| CN209501254U (en) * | 2018-12-18 | 2019-10-18 | 江苏省环境科学研究院 | A kind of device improving the continuous adsorption desorption heat energy utilization of active carbon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114716106A (en) * | 2022-04-14 | 2022-07-08 | 浙江晶立捷环境科技有限公司 | Ginseng filtrate wastewater treatment method and implementation system |
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