CN112028295B - High-concentration organic wastewater treatment device - Google Patents
High-concentration organic wastewater treatment device Download PDFInfo
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- CN112028295B CN112028295B CN202010696650.XA CN202010696650A CN112028295B CN 112028295 B CN112028295 B CN 112028295B CN 202010696650 A CN202010696650 A CN 202010696650A CN 112028295 B CN112028295 B CN 112028295B
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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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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 sequentially connected, 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 spray pipe (12) are arranged in the oxidizing tower (3), one end of the rotary spray pipe (12) is connected with a rotary motor (13), and a group of spray openings (14) are formed in the rotary motor; a water distribution pipe (15) and a pulverized coal adsorption plate (16) are arranged in the secondary carbon washing tower (4), and a water outlet (5 a) is arranged at the bottom of the resin adsorption tank (5). The invention has the advantages that the invention can replace the traditional activated carbon to carry out purification treatment on the wastewater, reduce the cost, and simultaneously can ensure that the wastewater is purer after layer-by-layer filtration and contact reaction, eliminate peculiar smell and improve the treatment effect.
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) The concentration of the organic matters is high: COD is generally above 2000mg/L, some are even tens of thousands or hundreds of thousands, compared with the BOD, the BOD of many waste water is lower, and the ratio of BOD to COD is less than 0.3;
(2) The components are complex: the toxic waste water contains most organic matters such as aromatic compounds and heterocyclic compounds, sulfides, nitrides, heavy metals and toxic organic matters;
(3) High chroma and peculiar smell: some waste water gives off pungent malodor, and causes adverse effects on the surrounding environment;
(4) The strong acid and the strong alkalinity can cause the receiving water body to be anoxic and even anaerobic, and most water organisms die.
At present, the mode of treating high-concentration organic wastewater is single, the treatment effect is limited, the cost of utilizing activated carbon to adsorb is high, and the application range is small.
Disclosure of Invention
The invention aims to solve the problems of single mode, poor effect and high cost of the existing high-concentration organic wastewater treatment, and provides the high-concentration organic wastewater treatment device which can replace the traditional activated carbon to carry out purification treatment on wastewater, reduce the cost, and simultaneously can ensure that the wastewater is purer after being subjected to layer-by-layer filtration and contact reaction, eliminate peculiar smell and improve the treatment effect.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the 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, a group of spray pipes connected with the first water inlet pipe are arranged at the top of the carbon washing tower, a pair of powder blowing devices are arranged at two sides of the carbon washing tower opposite to the lower part of the spray pipes, each powder blowing device comprises a coal powder bin connected to the side wall of the carbon washing tower and a blower connected with the coal powder bin, the granularity of coal powder in the coal powder bin is less than 50 mu m, the blowing direction of the blower is towards the inside of the carbon washing tower, a group of inclined vibrating plates are arranged at the middle part of the carbon washing tower, the two vibrating plates connected with each other are staggered with each other and are respectively connected to two sides of the carbon washing tower, and one sieve plate is connected to the lower part of the carbon washing tower so as to intercept absorbed coal powder and filter the absorbed 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, a group of oxidation liquid sprayers are arranged at the top of the oxidation tower, a group of rotary spray pipes are arranged in the middle of the oxidation tower, one end of each rotary spray pipe is connected with the second water inlet pipe, the other end of each rotary spray pipe is connected with a rotary motor connected with the outer wall of the oxidation tower, and a group of uniform spray openings are arranged on the rotary spray pipes so as to ensure that waste water is more uniformly contacted and reacted with oxidation liquid sprayed from the top 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 wavy filter plates so as to be used for increasing the coal dust area 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 procedure;
and the first water inlet pipe, the second water inlet pipe, the third water inlet pipe and the fourth water inlet pipe are respectively provided with a water suction pump for pumping the wastewater at the bottom of the tower to the top of the next treatment tower.
Further, the included angle alpha between the vibration plate and the horizontal direction is 30 degrees.
Further, the included angle beta between the sieve plate and the horizontal direction is 30-45 degrees, and an ash outlet is formed in the side wall of the carbon washing tower, which is opposite to the lowest part of the sieve plate, and the ash outlet is connected with a combustion furnace through a pipeline so as to be used for recycling the absorbed coal dust.
Further, a mixed reagent of hydrogen peroxide and ferrous ions is adopted in the oxidation liquid sprayer.
Further, a cleaning opening is arranged on one side of the secondary carbon scrubber facing the pulverized coal adsorption plate, and the cleaning opening is connected with a combustion furnace through a pipeline so as to be used for replacing new pulverized coal and recycling old pulverized coal.
Compared with the prior art, the invention has the following advantages:
(1) The fine-grained coal powder is blown into the carbon washing tower by adopting a blowing method, so that the contact between the coal powder and the wastewater is more sufficient and uniform, and the adsorption efficiency and the purification effect are improved;
(2) The combined application of the vibrating plates prolongs the contact time and the contact distance between the coal dust and the wastewater, and further enhances the contact reaction time and the treatment effect of the coal dust and the wastewater;
(3) The waste water is sprayed out in the oxidation tower in a rotary spraying mode, so that the distribution uniformity of the waste water in the oxidation tower is improved, and the waste water better contacts and reacts with the oxidizing liquid;
(4) The traditional adsorption tank adopts activated carbon, and the invention adopts resin for adsorption, has wide practical range, is not influenced by inorganic salt in wastewater, has good adsorption effect, easy elution and regeneration and stable performance;
(5) The coal dust absorbed in the carbon washing tower and the secondary carbon washing tower can be conveyed to a combustion furnace for recycling, and the coal dust recycling device is efficient, cyclic and environment-friendly.
Drawings
FIG. 1 is a schematic diagram of a high concentration organic wastewater treatment device according to the present invention.
Detailed Description
Example 1
In order that the invention may be more readily understood, a high concentration organic wastewater treatment plant according to the invention will be further described with reference to the accompanying drawings, wherein the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
As shown in fig. 1, a high-concentration organic wastewater treatment device comprises a dilution tank 1, and is characterized in that:
the dilution tank 1 is connected with a carbon washing tower 2 through a first water inlet pipe 17, a group of spray pipes 7 connected with the first water inlet pipe 17 are arranged at the top of the carbon washing tower 2, a pair of powder blowing devices 8 are arranged on two sides of the carbon washing tower 2 which are right below the spray pipes 7, the powder blowing devices 8 comprise 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 less than 50 mu m, and the blowing direction of the blower 8a is arranged towards the inside of the carbon washing tower 2;
the middle part of the carbon washing tower 2 is provided with a group of inclined vibrating plates 9, the included angle alpha between the vibrating plates 9 and the horizontal direction is 30 degrees, the two vibrating plates 9 are mutually staggered and connected with each other, the two vibrating plates are respectively connected with 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 absorbed coal dust and filtering the absorbed wastewater to the bottom of the carbon washing tower;
the included angle beta between the sieve plate 10 and the horizontal direction is 30-45 degrees, and an ash outlet 2a is arranged on the side wall of the carbon washing tower 2 which is opposite to the lowest part of the sieve plate 10, and the ash outlet 2a is connected with a combustion furnace 6 through a pipeline so as to be used for recycling the absorbed coal dust.
The bottom of the carbon washing tower 2 is connected with an oxidation tower 3 through a second water inlet pipe 18, a group of oxidation liquid sprayers 11 are arranged at the top of the oxidation tower 3, a group of rotary spray pipes 12 are arranged in the middle of the oxidation tower, and a mixed reagent of hydrogen peroxide and ferrous ions is adopted in the oxidation liquid sprayers 11;
one end of each rotary spray pipe 12 is connected with a second water inlet pipe 18, the other end is connected with a rotary motor 13 connected to the outer wall of the oxidation tower 3, and a group of uniform spray openings 14 are formed in the rotary spray pipes 12 so as to ensure that waste water is more uniformly contacted and reacted with oxidizing liquid sprayed from the top in the rotary spray process.
The bottom of the oxidation tower 3 is connected with a secondary carbon washing tower 4 through a third water inlet pipe 19, a group of water distribution pipes 15 connected with the third water inlet pipe 19 are arranged at the upper part of the secondary carbon washing tower 4, a group of coal dust adsorption plates 16 which are parallel up and down are arranged at the middle part of the secondary carbon washing tower, and the coal dust adsorption plates 16 are wavy filter plates so as to be used for increasing the coal dust area and improving the adsorption effect;
one side of the secondary carbon washing tower 4 opposite to the pulverized coal adsorption plate 16 is provided with a cleaning port 4a, and the cleaning port 4a is connected with the combustion furnace 6 through a pipeline for replacing new pulverized coal and recycling old pulverized coal;
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 working procedure;
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 respectively 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, meanwhile, a blower 8a blows coal dust in a coal dust bin 8b to the wastewater, the coal dust is fully mixed and contacted with the wastewater in the air, then falls onto a vibration plate 9 below for further adsorption contact, the adsorbed coal dust 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 oxidation reaction is carried out by rotating and spraying through a rotary spray pipe 12, the oxidized wastewater enters a secondary carbon washing tower 4, the layer-by-layer coal dust in the tower is adsorbed and filtered, and finally is discharged from the bottom of the tower to a resin adsorption tank 5 for treatment and then is discharged.
The waste water treatment device can lead the waste water to be in contact reaction with various adsorbents and oxidizing liquid more fully and uniformly, improves the adsorption efficiency and the purification effect, simultaneously conveys the adsorbed coal dust to a combustion furnace for recycling, saves the energy and protects the environment, and the resin adsorbent can enlarge the application range of the resin adsorbent, is not influenced by inorganic salt in the waste water, has good adsorption effect, easy elution and regeneration and stable performance.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (5)
1. The utility model provides a high concentration organic wastewater treatment device, includes dilution tank (1), its characterized in that:
the dilution tank (1) is connected with a carbon washing tower (2) through a first water inlet pipe (17), a group of spray pipes (7) connected with the first water inlet pipe (17) are arranged at the top of the carbon washing tower (2), 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 sides of the spray pipes (7), the powder blowing devices (8) comprise a coal powder bin (8 b) connected to the side wall of the carbon washing tower (2) and a blower (8 a) connected with the coal powder bin (8 b), the granularity of coal powder in the coal powder bin (8 b) is less than 50 mu m, and the blowing direction of the blower (8 a) is arranged towards the inside of the carbon washing tower (2);
the middle part of the carbon washing tower (2) is provided with a group of inclined vibrating plates (9), the two vibrating plates (9) are connected in a staggered way, the two vibrating plates 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), a group of oxidation liquid sprayers (11) are arranged at the top of the oxidation tower (3), a group of rotary spray pipes (12) are arranged in the middle of the oxidation tower, one end of each rotary spray pipe (12) is connected with the second water inlet pipe (18), the other end of each rotary spray pipe is connected with a rotary motor (13) connected to the outer wall of the oxidation tower (3), and a group of uniform spray openings (14) are formed in the rotary spray pipes (12);
the bottom of the oxidation tower (3) is connected with a secondary carbon washing tower (4) through a third water inlet pipe (19), a group of water distribution pipes (15) connected with the third water inlet pipe (19) are arranged at the upper part of the secondary carbon washing tower (4), a group of coal dust adsorption plates (16) which are parallel up and down are arranged at the middle part of the secondary carbon washing tower, 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);
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 respectively provided with a water suction pump (21).
2. The high-concentration organic wastewater treatment device according to claim 1, wherein:
the included angle alpha between the vibration plate (9) and the horizontal direction is 30 degrees.
3. The high-concentration organic wastewater treatment apparatus according to claim 1 or 2, wherein:
the included angle beta between the sieve plate (10) and the horizontal direction is 30-45 degrees, and an ash outlet (2 a) is arranged on the side wall of the carbon washing tower (2) which faces 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 high-concentration organic wastewater treatment apparatus according to claim 1 or 2, wherein:
the oxidation liquid sprayer (11) is internally provided with a mixed reagent of hydrogen peroxide and ferrous ions.
5. The high-concentration organic wastewater treatment apparatus according to claim 1 or 2, wherein:
one side of the secondary carbon washing tower (4) which is opposite to the pulverized coal 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 CN112028295A (en) | 2020-12-04 |
| CN112028295B true CN112028295B (en) | 2023-04-21 |
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| CN114716106B (en) * | 2022-04-14 | 2023-04-07 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104030523B (en) * | 2014-05-30 | 2015-09-23 | 石家庄开发区德赛化工有限公司 | A kind of deep treatment method of coking chemical waste water |
| 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 |
| CN107010780B (en) * | 2017-03-16 | 2019-12-06 | 浙江水利水电学院 | urban rainwater purification method and hydraulic filter used by same |
| 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 |
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