CN111547944A - Sewage multiple treatment device - Google Patents
Sewage multiple treatment device Download PDFInfo
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- CN111547944A CN111547944A CN202010406872.3A CN202010406872A CN111547944A CN 111547944 A CN111547944 A CN 111547944A CN 202010406872 A CN202010406872 A CN 202010406872A CN 111547944 A CN111547944 A CN 111547944A
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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
- C02F1/24—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
- C02F1/28—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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal 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
- C02F3/00—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a sewage multiple treatment device, which comprises an air dissolving device, a separation device, an adsorption device and an oxidation device which are arranged in sequence. The setting dissolves gas device and separator and can realize getting rid of to the particulate matter impurity in the sewage, then gets into adsorption equipment in getting rid of the sewage behind the particulate matter impurity, utilizes adsorption material to carry out physical adsorption with the heavy metal in the sewage and gets rid of, utilizes the oxidation biomembrane to carry out degradation treatment to the organic waste in the sewage through oxidation unit at last.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage multiple treatment device.
Background
With the acceleration of urbanization and the rapid development of industry and agriculture, most cities in China have serious water pollution problems. A large amount of untreated municipal waste, industrial wastewater, domestic sewage and atmospheric sediment are continuously discharged into a water body, so that the content of suspended matters and sediments in the water body is rapidly increased, the water body pollution becomes a global environmental pollution problem, and the treatment of the polluted water body is urgent.
In order to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, the sewage needs to be subjected to treatment and the like, and the treatment is generally called sewage treatment. The sewage treatment process in the prior art is single, different treatment equipment is required to be matched according to the types of pollutants in the sewage in the treatment process for multiple treatment, the adaptability of the sewage treatment process is poor, and the treatment efficiency is low.
Disclosure of Invention
The embodiment of the invention aims to: the utility model provides a sewage multiple treatment device, it can effectual completion to the processing of sewage to the suitability is strong.
In order to achieve the purpose, the invention adopts the following technical scheme:
provided is a sewage multi-treatment apparatus including:
the air dissolving device comprises an air dissolving chamber and an air dissolving pump, the air dissolving chamber is connected with an external sewage pipeline, and the air dissolving pump is connected with the air dissolving chamber through a pipeline;
the separation device comprises a separation chamber and a separation part, the separation chamber is connected with a water outlet of the dissolved air chamber through a first pipeline, and the separation part is arranged in the separation chamber and used for removing suspended matters formed after dissolved air floatation treatment;
the adsorption device comprises an adsorption chamber, the adsorption chamber is connected with the water outlet of the separation chamber through a second pipeline, and an adsorption material for adsorbing heavy metal is filled in the adsorption chamber;
and the oxidation device comprises an oxidation chamber, the oxidation chamber is connected with the water outlet of the adsorption chamber through a third pipeline, and an oxidation biomembrane filter material is arranged in the oxidation chamber.
As a preferable technical scheme of the invention, the separation chamber comprises a buffer pool, a separation pool and a water outlet pool which are sequentially arranged, a buffer structure is arranged in the buffer pool, and the separation component is arranged in the separation pool.
As a preferred aspect of the present invention, the separation member includes:
the partition plate is arranged in the separation tank in a direction perpendicular to the flowing direction of the sewage, and the top of the partition plate is arranged at an interval with the top of the separation tank so that the spaces on two sides of the partition plate are communicated with the upper space of the partition plate;
the first baffle and the partition plate form an included angle and are arranged on one side of the partition plate close to the gas dissolving chamber, and the horizontal height of the first end of the first baffle, which is far away from the partition plate, is greater than the height of the partition plate;
the second baffle plate is arranged on one side, close to the oxidation chamber, of the top of the separation pool, the second baffle plate extends to one side, close to the oxidation chamber, of the partition plate, the horizontal height, far away from the second end of the top of the separation pool, of the second baffle plate is smaller than the horizontal height of the first end, and the second end and the first baffle plate are arranged at intervals.
As a preferable technical solution of the present invention, a filter screen is disposed between the second end and the first baffle.
As a preferable technical solution of the present invention, the buffer structure is a plurality of buffer plates arranged in an array along a flowing direction of the sewage in the buffer tank, and heights of the buffer plates are gradually increased from a side close to the gas dissolving chamber to a side far from the gas dissolving chamber.
As a preferable technical scheme of the invention, the height of the buffer plate at one side far away from the gas dissolving chamber is higher than the water outlet of the buffer pool.
As a preferred technical scheme of the present invention, the water outlet tank is provided with a water outlet pipe corresponding to the water outlet, one end of the water outlet pipe is connected to the water outlet of the water outlet tank, the other end of the water outlet pipe is connected to the second pipeline, and one end of the water outlet pipe, which is far away from the water outlet tank, is higher than the water outlet of the water outlet tank.
In a preferred embodiment of the present invention, a PH adjusting device is further disposed between the oxidation chamber and the adsorption chamber.
In a preferred embodiment of the present invention, a feeding device is further disposed in front of the dissolved air chamber for feeding a flocculating agent and/or a foaming agent into the sewage.
In a preferred embodiment of the present invention, the adsorbent is sepiolite or an organosilicon material filled in the adsorption chamber.
The invention has the beneficial effects that: in the embodiment of the invention, the air dissolving device and the separating device are arranged to remove particulate impurities in sewage, then the sewage after the particulate impurities are removed enters the adsorption device, heavy metals in the sewage are physically adsorbed and removed by utilizing the adsorption material, and finally, the organic waste in the sewage is degraded by utilizing the oxidation biomembrane through the oxidation device. The pollutants in the sewage are removed in a multi-stage targeted manner, so that the normal work of all stages of treatment devices can be ensured, and the treatment sequence of the gas dissolving device, the separating device, the adsorption device and the oxidation device can avoid the influence of different pollutants in the sewage on the subsequent treatment devices and avoid the need of independently setting corresponding pretreatment devices aiming at each treatment device.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
FIG. 1 is a schematic view of a sewage multi-treatment apparatus according to an embodiment of the present invention.
In the figure:
1. a delivery device; 2. a gas dissolving device; 21. a gas dissolving chamber; 22. a dissolved air pump; 3. a separation device; 31. a buffer pool; 32. a separation tank; 33. a water outlet pool; 331. a water outlet pipe; 34. a buffer structure; 351. a partition plate; 352. a first baffle plate; 353. a second baffle; 4. an adsorption device; 41. an adsorption chamber; 42. adsorbing material; 5. a pH adjusting device; 6. an oxidation unit; 61. an oxidation chamber; 62. oxidizing the biomembrane filter material; 7. and (4) a precipitation device.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, in this embodiment, the sewage multi-treatment apparatus of the present invention includes an air dissolving device 2, a separation device 3, an adsorption device 4, and an oxidation device 6, which are sequentially disposed.
The air dissolving device 2 comprises an air dissolving chamber 21 and an air dissolving pump 22, the air dissolving chamber 21 is connected with an external sewage pipeline, and the air dissolving pump 22 is connected with the air dissolving chamber 21 through a pipeline. The sewage inlet of the dissolved air chamber 21 is arranged at a position close to the bottom, the water inlet of the dissolved air pump 22 is connected with the bottom of the dissolved air chamber 21 through a pipeline, and the water outlet of the dissolved air pump 22 is connected to the bottom of the dissolved air chamber 21. The sewage flows out from the bottom of the dissolved air chamber 21, enters the dissolved air pump 22 for dissolved air floatation treatment, flows out from the water outlet of the dissolved air pump 22, and enters the dissolved air chamber 21 from the top of the dissolved air chamber 21.
Through the above arrangement, sewage flows in from the bottom of the dissolved air chamber 21, enters the dissolved air pump 22 through the pipeline communicated with the dissolved air pump 22 at the bottom for dissolved air floatation treatment, dissolves a large amount of micro bubbles in the sewage, then is injected back into the dissolved air chamber 21 from the top of the dissolved air tank through the pipeline, and finally overflows into the next-stage separation device 3 through the water outlet of the dissolved air tank. Because a large amount of micro-fine bubbles are dissolved in the sewage re-injected into the dissolved air chamber 21, the sewage is injected into the dissolved air chamber 21 from the top of the dissolved air pool, so that the bubble content in the upper half part of the dissolved air chamber 21 can be further improved, and the dissolved air flotation effect is further improved.
The basic principle of the air flotation technology is to introduce air into water to generate a large amount of micro bubbles in the water, and to adhere impurity particles to the bubbles, a floating body with specific gravity smaller than that of the water can be formed and floats up to the water surface, so that the water purification method for separating impurities is obtained. The inlet water of the air floatation process is generally added with a flocculating agent to form a flocculating constituent, a network structure filled with water is formed in the water, the sedimentation speed of the network structure is slow, the specific gravity of the flocculating constituent attached with a certain amount of micro bubbles is smaller than that of the water, the floating speed of the flocculating constituent is much higher than the sinking speed of the original flocculating constituent, and therefore, the air floatation method is probably shortened compared with the solid-liquid separation time of the sedimentation method.
The separation device 3 comprises a separation chamber and a separation part, the separation chamber is connected with a water outlet of the dissolved air chamber 21 through a first pipeline, and the separation part is arranged in the separation chamber and used for removing suspended matters formed after dissolved air floatation treatment. By providing the separation member in the separation chamber, particulate matter impurities suspended on the upper layer of the sewage can be separated from the sewage by adhering to the surface of the fine bubbles in the air dissolution chamber 21, thereby removing the particulate matter impurities in the sewage.
The adsorption device 4 comprises an adsorption chamber 41, the adsorption chamber 41 is connected with the water outlet of the separation chamber through a second pipeline, and an adsorption material 42 for adsorbing heavy metal is filled in the adsorption chamber 41. Through set up the adsorbing material 42 that can adsorb heavy metal in adsorption chamber 41, can realize adsorbing the heavy metal pollutant in the sewage after getting rid of particulate matter impurity and get rid of. Meanwhile, as the particulate impurities are removed in the gas dissolving device 2 and the separating device 3, the influence of the stagnation of the particulate matters in the sewage on the surface of the adsorbing material 42 on the adsorption efficiency of the adsorbing material 42 on the heavy metal pollutants can be effectively avoided.
In an embodiment of the present invention, the heavy metal adsorbing material 42 may be sepiolite or an organic silicon material.
The oxidation device 6 comprises an oxidation chamber 61, the oxidation chamber 61 is connected with the water outlet of the adsorption chamber 41 through a third pipeline, and an oxidation biomembrane filter material 62 is arranged in the oxidation chamber 61. The oxidation biological membrane filter material 62 is used for carrying out oxidative degradation on organic waste in sewage to remove particulate matter impurities and heavy metal pollutants, and the organic waste in the sewage can be effectively removed. And the particulate matter impurities and heavy metal pollutants in the sewage are removed through the gas dissolving device 2, the separating device 3 and the adsorption device 4, so that the influence on the treatment efficiency of the oxidation biomembrane filter material 62 caused by the fact that the pollutants harmful to the oxidation biomembrane filter material 62 in the sewage enter the oxidation chamber 61 can be effectively avoided.
In the embodiment of the invention, the gas dissolving device 2 and the separation device 3 are arranged to remove particulate impurities in the sewage, then the sewage from which the particulate impurities are removed enters the adsorption device 4, the adsorption material 42 is used to physically adsorb and remove heavy metals in the sewage, and finally the oxidation device 6 is used to degrade organic wastes in the sewage by using the oxidation biomembrane. The pollutants in the sewage are removed in a multi-stage targeted manner, so that the normal work of all stages of treatment devices can be ensured, and the treatment sequence of the gas dissolving device 2, the separating device 3, the adsorption device 4 and the oxidation device 6 can avoid the influence of different pollutants in the sewage on the subsequent treatment devices and avoid the need of independently setting corresponding pretreatment devices aiming at each treatment device.
In the embodiment of the invention, the separation chamber comprises a buffer tank 31, a separation tank 32 and a water outlet tank 33 which are arranged in sequence, a buffer structure 34 is arranged in the buffer tank 31, and the separation component is arranged in the separation tank 32. Through set up the multistage function pond in the separator chamber, play different effects in a plurality of function ponds respectively, effectual assurance is to the effect of getting rid of the particulate matter impurity in the sewage after dissolving gas air supporting and handling.
Specifically, in buffer tank 31, can cushion the deceleration to the sewage that flows into from dissolving in the gas pond and handle, avoid sewage too fast when flowing into separation tank 32 for the microbubble in the sewage can not in time adsorb the come-up with particulate matter impurity, thereby guarantees that particulate matter impurity can suspend in the upper strata of sewage, and then is detached by the separator in subsequent separation tank 32.
As shown in part in the separation apparatus 3 of fig. 1, the separation means described in the embodiment of the present invention includes a partition 351, a first barrier 352, and a second barrier 353. Wherein, the partition 351 is arranged in the separation tank 32 perpendicular to the flowing direction of the sewage, and the top of the partition 351 is arranged at an interval with the top of the separation tank 32, so that the spaces at both sides of the partition 351 are communicated by the upper space of the partition 351; the first baffle 352 and the partition 351 form an included angle and are arranged on one side of the partition 351 close to the gas dissolving chamber 21, and the horizontal height of the first end of the first baffle 352 far away from the partition 351 is greater than the height of the partition 351; the second baffle 353 is arranged at one side of the top of the separation cell 32 close to the oxidation chamber 61, the second baffle 353 extends from one side of the partition 351 close to the oxidation chamber 61 to one side of the partition 351 close to the gas dissolving chamber 21, the horizontal height of the second end of the second baffle 353 far away from the top of the separation cell 32 is smaller than that of the first end, and the second end and the first baffle 352 are arranged at intervals.
The separation chamber is divided into left and right parts by the partition 351, and the left and right separation chambers are communicated with each other through a space above the partition 351. The first baffle 352 is provided in the left separation chamber, and the first baffle 352 is fixed to the partition 351 so as to be oriented to the left, so that fine bubbles formed by the dissolved air flotation process can be collected in the upper left portion of the left separation chamber and then continuously rise. Then the sewage flows through the second baffle 353, and one end of the second baffle 353 close to the first baffle 352 is lower than the first baffle 352, so that the micro-bubbles passing through the first baffle 352 cannot pass through the second baffle 353 lower than the first baffle 352, and therefore the micro-bubbles are blocked at the left side of the second baffle 353 and cannot enter a right-side separation chamber through a space between the first baffle 352 and the second baffle 353, and therefore, the suspended particulate impurities in the sewage after dissolved air flotation treatment can be separated from the sewage. Through the pure passive mechanical structure of the simple partition plate 351, the first baffle 352 and the second baffle 353, suspended particulate impurities in sewage after dissolved air floatation treatment can be conveniently separated from the sewage, and the consumption of resources is reduced.
Further, still be provided with the filter equipment on the separating chamber, will be taken away from sewage by the suspended particles impurity of second baffle 353 separation in the separating chamber of left side, avoid the accumulation of a large amount of suspended particles impurity to make the suspended particles impurity in the separating chamber of left side cross second baffle 353 and enter into in the remaining processing apparatus of right side separating chamber and follow-up connection.
In a preferred embodiment, a filter screen is disposed between the second end and the first baffle 352. Through setting up the filter screen at the vacancy between first baffle 352 and second baffle 353, can further guarantee that the suspended particles impurity in the left side separating chamber can't enter into the right side separating chamber, further guarantee the effect of getting rid of particulate matter impurity.
In the embodiment of the present invention, the buffer structure 34 is a plurality of buffer plates arranged in the buffer pool 31 in an array along the flowing direction of the sewage, the heights of the buffer plates are gradually increased from one side close to the gas dissolving chamber 21 to one side far from the gas dissolving chamber 21, and the height of the buffer plate at one side far from the gas dissolving chamber 21 is higher than the water outlet of the buffer pool 31. Set up a plurality of buffer boards through the flow direction array along sewage in buffer pool 31, can realize the multistage buffering to sewage, avoid sewage flow velocity too fast in separator 3 to the unable come-up separation's of suspended particles impurity problem that leads to.
In the embodiment of the present invention, the water outlet tank 33 is provided with a water outlet pipe 331 corresponding to the water outlet, one end of the water outlet pipe 331 is connected to the water outlet of the water outlet tank 33, the other end is connected to the second pipeline, and the end of the water outlet pipe 331 away from the water outlet tank 33 is higher than the height of the water outlet tank 33. The water outlet pipe 331 with the water outlet end higher than the water outlet is arranged at the water outlet of the water outlet pool 33, so that the liquid level in the water outlet pool 33 can be ensured to be higher than the water outlet all the time, and suspended particulate impurities possibly existing in sewage are further prevented from entering the water outlet pipe 331 and entering the next-stage treatment device.
In the embodiment of the present invention, a PH adjusting device 5 is further provided between the oxidation chamber 61 and the adsorption chamber 41. Specifically, pH adjusting device 5 includes equalizing basin and dosing pump, adds the dosing pump and adds the pH regulating solution in to the equalizing basin, realizes the pH adjustment to sewage to make the PH of sewage be fit for the biological oxidation degradation concentration of oxidation biomembrane.
In the embodiment of the invention, a feeding device 1 is further arranged in front of the dissolved air chamber 21 and used for feeding flocculating agent and/or foaming agent into the sewage. Through set up before dissolved air chamber 21 and put in device 1 and carry out the input of flocculating agent and/or foaming agent, can effectually guarantee that the particle matter impurity flocculation in the sewage forms the flocculating constituent that the proportion is less than the proportion of water to and make sewage more easy formation microbubble under the effect of dissolved air pump 22.
In an alternative embodiment of the present invention, a precipitation device 7 is further disposed after the oxidation device 6 for precipitating and discharging the biodegradable wastewater. The sedimentation tank comprises a sedimentation tank and a third baffle, wherein the third baffle is positioned in the middle of the sedimentation tank and divides the sedimentation tank into a left part and a right part, the third baffle is arranged at an interval with the bottom of the sedimentation tank, the left side and the right side of the sedimentation tank are communicated by the bottom of the third baffle, a water inlet and a water outlet of the sedimentation tank are both positioned close to the top, and the water inlet and the water outlet are respectively positioned on the left side and the right side of the sedimentation tank.
In the embodiment of the present invention, the gas dissolving chamber 21, the separation chamber, the adsorption chamber 41, the oxidation chamber 61, the buffer tank 31, the separation tank 32, the water outlet tank 33, and the like are only terms for easy distinction, and any corresponding sewage container may be used as long as the functions mentioned in the embodiment of the present invention can be achieved.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A sewage multi-treatment device is characterized by comprising:
the air dissolving device comprises an air dissolving chamber and an air dissolving pump, the air dissolving chamber is connected with an external sewage pipeline, and the air dissolving pump is connected with the air dissolving chamber through a pipeline;
the separation device comprises a separation chamber and a separation part, the separation chamber is connected with a water outlet of the dissolved air chamber through a first pipeline, and the separation part is arranged in the separation chamber and used for removing suspended matters formed after dissolved air floatation treatment;
the adsorption device comprises an adsorption chamber, the adsorption chamber is connected with the water outlet of the separation chamber through a second pipeline, and an adsorption material for adsorbing heavy metal is filled in the adsorption chamber;
and the oxidation device comprises an oxidation chamber, the oxidation chamber is connected with the water outlet of the adsorption chamber through a third pipeline, and an oxidation biomembrane filter material is arranged in the oxidation chamber.
2. The sewage multi-treatment device according to claim 1, wherein the separation chamber comprises a buffer tank, a separation tank and a water outlet tank which are arranged in sequence, a buffer structure is arranged in the buffer tank, and the separation component is arranged in the separation tank.
3. The sewage multiprocessing apparatus according to claim 2, wherein said separating means comprises:
the partition plate is arranged in the separation tank in a direction perpendicular to the flowing direction of the sewage, and the top of the partition plate is arranged at an interval with the top of the separation tank so that the spaces on two sides of the partition plate are communicated with the upper space of the partition plate;
the first baffle and the partition plate form an included angle and are arranged on one side of the partition plate close to the gas dissolving chamber, and the horizontal height of the first end of the first baffle, which is far away from the partition plate, is greater than the height of the partition plate;
the second baffle plate is arranged on one side, close to the oxidation chamber, of the top of the separation pool, the second baffle plate extends to one side, close to the oxidation chamber, of the partition plate, the horizontal height, far away from the second end of the top of the separation pool, of the second baffle plate is smaller than the horizontal height of the first end, and the second end and the first baffle plate are arranged at intervals.
4. The multiple sewage treatment apparatus of claim 3 wherein a filter screen is disposed between the second end and the first baffle.
5. The sewage multiprocessing apparatus according to claim 2, wherein the buffering structure is a plurality of buffering plates arranged in the buffering tank along the flowing direction of the sewage, and the heights of the buffering plates increase from a side close to the gas dissolving chamber to a side far from the gas dissolving chamber.
6. The sewage multiprocessing apparatus according to claim 5, wherein the height of the buffer plate on the side away from the aeration chamber is higher than the water outlet of the buffer tank.
7. The sewage multi-treatment device according to claim 2, wherein the water outlet tank is provided with a water outlet pipe corresponding to the water outlet, one end of the water outlet pipe is connected with the water outlet of the water outlet tank, the other end of the water outlet pipe is connected with the second pipeline, and one end of the water outlet pipe, which is far away from the water outlet tank, is higher than the water outlet of the water outlet tank.
8. The sewage multiprocessing apparatus according to claim 1, further comprising a PH adjusting means between the oxidation chamber and the adsorption chamber.
9. The sewage multiprocessing apparatus according to claim 1, further comprising a feeding device before the dissolved air chamber for feeding a flocculant and/or a foaming agent into the sewage.
10. The sewage multi-treatment apparatus according to claim 9, wherein the adsorbent is sepiolite or an organosilicon material filled in the adsorption chamber.
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| CN202010406872.3A CN111547944A (en) | 2020-05-14 | 2020-05-14 | Sewage multiple treatment device |
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Application publication date: 20200818 |