CN110902748A - Organic wastewater treatment method - Google Patents
Organic wastewater treatment method Download PDFInfo
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- CN110902748A CN110902748A CN201911219491.8A CN201911219491A CN110902748A CN 110902748 A CN110902748 A CN 110902748A CN 201911219491 A CN201911219491 A CN 201911219491A CN 110902748 A CN110902748 A CN 110902748A
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- rotating wheel
- organic wastewater
- box body
- liquid level
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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
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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
- 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
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses an organic wastewater treatment method, which comprises the following steps: step 1, introducing organic wastewater into an all-in-one machine; the integrated machine comprises a box body, a rotating wheel shaft, a power system, a transmission system and a microwave generator, wherein the rotating wheel is provided with an adsorbent; the requirements for the amount of organic wastewater introduced into the tank are: one part of the rotating wheel is positioned below the liquid level of the organic wastewater, and the other part of the rotating wheel is positioned above the liquid level of the organic wastewater; step 2, starting a power system, enabling the part of the rotating wheel below the liquid level to be in contact with and adsorbed by the organic wastewater, and enabling the part of the rotating wheel above the liquid level to be subjected to desorption pyrolysis under microwave radiation; and 3, discharging the organic wastewater treated in the step 2 from a water outlet. The invention desorbs and decomposes organic matters through continuous rotation of the rotating wheel and microwave irradiation, and the three steps are synchronously completed in the integrated machine, thereby simplifying the procedure, reducing the investment of equipment and engineering, improving the treatment efficiency and reducing the operation cost.
Description
Technical Field
The invention relates to equipment for treating organic wastewater, in particular to an organic wastewater treatment method.
Background
The adsorption method is one of effective measures for treating low-concentration organic wastewater difficult to degrade. The traditional adsorption method is to utilize the organic matters in the adsorbent to adsorb the water to achieve the purpose of water treatment, the adsorption must be stopped when the organic matters in the adsorbent reach a certain degree (nearly saturated state), then the adsorbed organic matters are regenerated and desorbed by adding other chemical salts or heated to desorb the organic matters in the adsorbent or blow off the organic matters in the adsorbent by using steam, and the desorbed organic matters are decomposed by other physical or chemical methods. In the treatment method, other chemical substances are required to be added to generate new pollutants or the technical route is long, if adsorption and desorption are carried out simultaneously, three sets of equipment for adsorption, desorption and decomposition are required (if the adsorption and desorption are carried out in the same equipment, the adsorption is stopped after a period of time, and then the desorption procedure is switched, so that water treatment cannot be continuously operated), if two sets of the same equipment are alternately operated, three sets of equipment are required, the operation process is complex, the occupied area is large, the equipment investment is high, the energy consumption is high, and the operation cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an organic wastewater treatment method, which is characterized in that organic wastewater is introduced into an all-in-one machine, then the all-in-one machine is controlled to continuously rotate and perform microwave irradiation through a rotating wheel, when an adsorbent enters water, the adsorption process is performed, when the adsorbent is separated from water, organic matters in the adsorbent are desorbed and decomposed by microwave heating, and the three steps are synchronously completed in the all-in-one machine, so that the program is simplified, the equipment and engineering investment is reduced, the treatment efficiency is improved, and the operation cost is reduced.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for treating organic wastewater is characterized by comprising the following steps: the method comprises the following steps:
step 1, introducing organic wastewater into an all-in-one machine;
the all-in-one machine comprises a box body, a rotating wheel shaft, a power system, a transmission system and a microwave generator, wherein the box body is provided with a water inlet and a water outlet; the organic wastewater is introduced into the box body from the water inlet, and the requirement of the amount of the organic wastewater introduced into the box body is as follows: one part of the rotating wheel is positioned below the liquid level of the organic wastewater, and the other part of the rotating wheel is positioned above the liquid level of the organic wastewater; the microwave generator is arranged above the rotating wheel, and the part above the liquid level of the organic wastewater is radiated by the microwaves generated by the microwave generator;
and 3, discharging the organic wastewater treated in the step 2 from a water outlet.
And one half of the rotating wheel is positioned above the liquid level of the organic wastewater, and the other half of the rotating wheel is positioned below the organic wastewater.
The rotating wheels are multiple and are arranged on a rotating wheel shaft.
The water inlet is arranged on the box body and is higher than the water outlet.
The lower edge of the water inlet is slightly higher than the central axis of the rotating wheel, and the lower edge of the water inlet is as high as the central axis of the rotating wheel.
The transmission system comprises a motor, a power system and a transmission wheel, wherein the transmission wheel is arranged on the box body through a bearing, the power system is a motor, the belt is sleeved on an output shaft of the motor and the transmission wheel, and the transmission wheel is sleeved on the transmission wheel shaft.
The box body is also provided with an exhaust port, and the water vapor and the carbon dioxide generated in the step 2 are exhausted from the exhaust port.
The microwave generator is arranged at the top of the box body, and microwaves generated by the microwave generator can be radiated to all the rotating wheels.
The rotating wheel comprises a rotating wheel body, and an adsorbent is arranged on the circumferential surface of the rotating wheel body; or the rotating wheel is an adsorbent rotating wheel made of adsorbent.
The invention has the beneficial effects that:
the invention comprises a box body, a rotating wheel shaft, a power system, a transmission system and a microwave generator, wherein a water inlet and a water outlet are arranged on the box body, the rotating wheel is arranged on the box body through the rotating wheel shaft, the rotating wheel shaft is connected with the transmission system, the power system drives the transmission system, the transmission system drives the rotating wheel shaft to rotate in the box body, the rotating wheel shaft drives the rotating wheel to rotate, an adsorbent is arranged on the rotating wheel, when the device works, one part of the rotating wheel is positioned below the liquid level of organic wastewater, the other part of the rotating wheel is positioned above the liquid level of the organic wastewater, the microwave generator is arranged above the rotating. Organic wastewater to be treated is sent into the box body from the water inlet through a pump (not included in the integrated machine); the organic wastewater submerges a part of the rotating wheel, the adsorbent on the rotating wheel below the liquid level of the organic wastewater is contacted with the organic wastewater, organic pollutants in the organic wastewater are removed from the water by the adsorption of the adsorbent, and the treated water overflows from the water outlet and is discharged; the power system drives the transmission system to rotate the rotating wheel; the adsorbent adsorbed with organic pollutants leaves the microwave heating radiated by the water surface microwave generator to be desorbed and decomposed, the organic matters are decomposed into carbon dioxide, water and corresponding salt, the carbon dioxide and water vapor are discharged into the atmosphere, and the salt is dissolved into the water body when the adsorbent is converted back into water. The adsorption, desorption and thermal decomposition are continuously carried out along with the continuous rotation of the rotating wheel, and the rotating speed of the rotating wheel and the flow rate of inlet and outlet water are adjusted according to the initial concentration of CODcr in water and the target value of treated water to realize the standard discharge of CODcr in water.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the overall structure of the present invention;
in the attached drawing, the device comprises a box body 1, a box body 2, a water inlet 3, a water outlet 4, a rotating wheel shaft 5, a rotating wheel 6, a motor 7, a belt 8, a driving wheel 9 and a microwave generator.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
The invention provides an organic wastewater treatment method, which comprises three steps,
step 1 is to introduce organic wastewater into an all-in-one machine, wherein the all-in-one machine is designed by the inventor and has a special structure, and as shown in fig. 1, the structure of the all-in-one machine is as follows:
comprises a box body 1, and a water inlet 2, a water outlet 3 and an exhaust port (not shown in the figure) are arranged on the box body. The box body is internally provided with a rotating wheel shaft 4, more than one rotating wheel 5 is arranged on the rotating wheel shaft 4, and the rotating wheel 5 is provided with an adsorbent (such as a boiling carbon adsorbent) or is directly made of the adsorbent to form the rotating wheel 5. A microwave generator 9 is arranged at the top of the box body, and the installation position ensures that the microwave generated by the microwave generator can radiate the whole rotating wheel. The rotating wheel is arranged at a position that a part of the rotating wheel is positioned below the liquid level of the organic wastewater, and a part of the rotating wheel is positioned above the liquid level, preferably a half of the rotating wheel is positioned above the liquid level and a half of the rotating wheel is positioned below the liquid level. The rotating wheel shaft is matched with the transmission system through the power system, the power system drives the rotating wheel shaft to rotate, the purpose that the adsorption-desorption-thermal decomposition action is continuously carried out can be realized through the rotation of the rotating wheel shaft, the organic wastewater can be continuously treated, the adsorption is not required to be stopped after the adsorption is saturated, and the treatment efficiency can be improved. The principle of the invention is as follows: organic wastewater to be treated is sent into the box body from the water inlet through a pump (not included in the integrated machine); the organic wastewater submerges a part of the rotating wheel, the adsorbent on the rotating wheel below the liquid level of the organic wastewater is contacted with the organic wastewater, organic pollutants in the organic wastewater are removed from the water by the adsorption of the adsorbent, and the treated water overflows from the water outlet and is discharged; the power system drives the transmission system to rotate the rotating wheel; the adsorbent adsorbed with organic pollutants leaves the microwave heating radiated by the water surface microwave generator to be desorbed and decomposed, the organic matters are decomposed into carbon dioxide, water and corresponding salt, the carbon dioxide and water vapor are discharged into the atmosphere from the exhaust port, and the salt is dissolved into the water body when the adsorbent is rotated back into the water. The adsorption, desorption and thermal decomposition are continuously carried out along with the continuous rotation of the rotating wheel, and the rotating speed of the rotating wheel and the flow rate of inlet and outlet water are adjusted according to the initial concentration of CODcr in water and the target value of treated water to realize the standard discharge of CODcr in water.
and 3, discharging the organic wastewater treated in the step 2 from a water outlet.
As shown in fig. 1, the power system is a motor 6 and is installed at the top of the box body, the transmission system is a belt 7 and a transmission wheel 8, the transmission wheel 8 is sleeved on the rotating wheel shaft 4, one end of the belt is sleeved on an output shaft of the motor 6, and the other end of the belt is sleeved on the transmission wheel 8, so that the rotating action of the rotating wheel shaft is realized. Of course, the transmission system can also be used for gear pair transmission.
The water inlet 2 is arranged on the box body 1 and is higher than the water outlet 3. The purpose is to ensure that the whole runner is not submerged by the organic waste water.
The lower edge of the water inlet 2 is slightly higher than the central axis of the rotating wheel, and the lower edge of the water inlet is as high as the central axis of the rotating wheel.
The rotating wheel shaft 4 is arranged on the box body 1 through a bearing. The rotating wheel shaft can rotate.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. A method for treating organic wastewater is characterized by comprising the following steps: the method comprises the following steps:
step 1, introducing organic wastewater into an all-in-one machine;
the all-in-one machine comprises a box body, a rotating wheel shaft, a power system, a transmission system and a microwave generator, wherein the box body is provided with a water inlet and a water outlet; the organic wastewater is introduced into the box body from the water inlet, and the requirement of the amount of the organic wastewater introduced into the box body is as follows: one part of the rotating wheel is positioned below the liquid level of the organic wastewater, and the other part of the rotating wheel is positioned above the liquid level of the organic wastewater; the microwave generator is arranged above the rotating wheel, and the part above the liquid level of the organic wastewater is radiated by the microwaves generated by the microwave generator;
step 2, starting a power system, wherein the power system drives a transmission system, the transmission system drives a rotating wheel shaft to rotate in a box body, the rotating wheel shaft drives a rotating wheel to rotate, the part of the rotating wheel below the liquid level is in contact with and adsorbed by the organic wastewater, and the part of the rotating wheel above the liquid level is subjected to desorption pyrolysis under the microwave radiation generated by a microwave generator;
and 3, discharging the organic wastewater treated in the step 2 from a water outlet.
2. The method for treating organic wastewater according to claim 1, wherein: and one half of the rotating wheel is positioned above the liquid level of the organic wastewater, and the other half of the rotating wheel is positioned below the organic wastewater.
3. The method for treating organic wastewater according to claim 1, wherein: the rotating wheels are multiple and are arranged on a rotating wheel shaft.
4. The method for treating organic wastewater according to claim 1, wherein: the water inlet is arranged on the box body and is higher than the water outlet.
5. The method according to claim 5, wherein: the lower edge of the water inlet is slightly higher than the central axis of the rotating wheel, and the lower edge of the water inlet is as high as the central axis of the rotating wheel.
6. The method for treating organic wastewater according to claim 1, wherein: the transmission system comprises a motor, a power system and a transmission wheel, wherein the transmission wheel is arranged on the box body through a bearing, the power system is a motor, the belt is sleeved on an output shaft of the motor and the transmission wheel, and the transmission wheel is sleeved on the transmission wheel shaft.
7. The method for treating organic wastewater according to claim 1, wherein: the box body is also provided with an exhaust port, and the water vapor and the carbon dioxide generated in the step 2 are exhausted from the exhaust port.
8. The method for treating organic wastewater according to claim 1, wherein: the microwave generator is arranged at the top of the box body, and microwaves generated by the microwave generator can be radiated to all the rotating wheels.
9. The method for treating organic wastewater according to claim 1, wherein: the rotating wheel comprises a rotating wheel body, and an adsorbent is arranged on the circumferential surface of the rotating wheel body; or the rotating wheel is an adsorbent rotating wheel made of adsorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911219491.8A CN110902748A (en) | 2019-12-03 | 2019-12-03 | Organic wastewater treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911219491.8A CN110902748A (en) | 2019-12-03 | 2019-12-03 | Organic wastewater treatment method |
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| CN110902748A true CN110902748A (en) | 2020-03-24 |
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| CN201911219491.8A Pending CN110902748A (en) | 2019-12-03 | 2019-12-03 | Organic wastewater treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031168A (en) * | 2021-11-22 | 2022-02-11 | 山东省科学院能源研究所 | Method and device for continuously treating high-concentration organic wastewater by using multistage rotating wheel |
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2019
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| KR20010035430A (en) * | 2001-02-13 | 2001-05-07 | 김용훈 | Apparatus for sorting contaminants and food waste having physical and chemical treatment functions |
| CN101580287A (en) * | 2009-06-12 | 2009-11-18 | 东北电力大学 | Rotary-type photocatalysed or adsorptive reactor |
| CN104096450A (en) * | 2013-04-07 | 2014-10-15 | 王汉培 | Efficient rotating wheel adsorption device for waste gas treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031168A (en) * | 2021-11-22 | 2022-02-11 | 山东省科学院能源研究所 | Method and device for continuously treating high-concentration organic wastewater by using multistage rotating wheel |
| CN114031168B (en) * | 2021-11-22 | 2024-01-12 | 山东省科学院能源研究所 | Method and device for continuously treating high-concentration organic wastewater by multistage rotating wheels |
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