CN107285572B - Biochemical pool - Google Patents
Biochemical pool Download PDFInfo
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- CN107285572B CN107285572B CN201710662388.5A CN201710662388A CN107285572B CN 107285572 B CN107285572 B CN 107285572B CN 201710662388 A CN201710662388 A CN 201710662388A CN 107285572 B CN107285572 B CN 107285572B
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- C02F3/28—Anaerobic digestion processes
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a biochemical tank, which is internally provided with a water inlet pipe, a sedimentation chamber, a flow regulating chamber, a conveying pipe, a biochemical chamber and an outflow pipe which are communicated with each other in sequence, and is also provided with a back flushing device, wherein the back flushing device comprises a flushing water pipe and a flushing chamber; a filter screen is arranged in the sedimentation chamber, the biochemical chamber comprises a packing device, an aeration device and a foam remover, the packing device comprises a packing ring, a stainless steel pipe and a fixed rod, two ends of the fixed rod are arranged on the wall of the biochemical tank, the stainless steel pipe is fixedly provided with the packing ring, and the stainless steel pipe is detachably connected to the fixed rod; the stainless steel pipe is of a hollow structure, the flushing water pipe is arranged in the stainless steel pipe, the water pipe is provided with a spray header, the stainless steel pipe is provided with a water outlet, and the spray header on the water pipe corresponds to the water outlet. The invention has the advantages that the filler is convenient to clean, and the phenomena of winding, agglomeration, fracture and the like are not easy to occur; the biochemical tank has the advantages of good biochemical effect, simple operation, strong practicability and the like.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to a biochemical tank.
Background
The biochemical tank provides a time-programmed sewage treatment rather than a space-programmed sewage treatment that is continuously provided. The biochemical tank system does not need a primary sedimentation tank, a secondary sedimentation tank and a sludge reflux system, and is ideal in static sedimentation and good in separation effect. Can be applied to chemical industry, petroleum, electric power, steel, textile, printing and dyeing, transportation, storage, food brewing, fermentation, water treatment, sea water desalination and the like.
The main structure of the biochemical pool is as follows: the tank is internally provided with a water inlet pipe, a sedimentation chamber, a flow regulating chamber, a conveying pipe, a biochemical chamber and an outflow pipe. The working principle is as follows: the waste water enters from the air inlet pipe, enters into the flow regulating chamber after settling in the settling chamber to regulate the flow, is transmitted to the biochemical chamber by the transmission pipe, and flows out of the biochemical tank through the outflow pipe after aerobic/anaerobic biochemical treatment, aeration, settling and defoaming in the biochemical chamber to complete the biochemical treatment of the waste water. Wherein the inside of the biochemical chamber is provided with a filler, the bottom is provided with an aeration device, and the top is provided with a foam remover, so as to complete the biochemical reaction. The top of the filler is hung on the fixed rod by adopting a steel rope, and the bottom of the filler is not fixed and is vertically arranged in the biochemical chamber.
The existing biochemical pool has the following problems in the use process: 1. the filler needs to be cleaned regularly, but the cleaning of the filler in the existing design is troublesome, the filler is obviously easy to break by directly flushing with a high-pressure water pump, and the filler is obviously troublesome to detach for cleaning; 2. when the conveying pipe conveys the wastewater to the biochemical chamber, the bundle-shaped filler in the biochemical chamber can generate phenomena of fiber bundle winding, agglomeration, breakage and the like under hydraulic impact, the hydraulic load and the aeration intensity can be properly reduced to solve the problems, broken steel ropes can be timely replaced, the problems of hydraulic negative pressure and the aeration intensity are reduced, but the water inflow of the wastewater is reduced, and the operation time is prolonged.
Disclosure of Invention
In order to solve the problems, the invention discloses a biochemical pool.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a water inlet pipe, a sedimentation chamber, a flow regulating chamber, a conveying pipe, a biochemical chamber and an outflow pipe which are communicated with each other are sequentially arranged in the biochemical tank, the biochemical tank is also provided with a back flushing device, and the back flushing device comprises a flushing water pipe and a flushing chamber connected with the flushing water pipe; the biochemical chamber comprises a packing device arranged in the biochemical chamber, an aeration device arranged at the bottom and a foam remover arranged at the top, wherein the packing device comprises a packing ring, a stainless steel pipe and a fixed rod, two ends of the fixed rod are arranged on the wall of the biochemical tank, the stainless steel pipe is fixedly provided with the packing ring, and the stainless steel pipe is detachably connected to the fixed rod; the stainless steel pipe is of a hollow structure, the flushing water pipe is arranged in the stainless steel pipe, a spray header is arranged on the water pipe, a water outlet is arranged on the stainless steel pipe, and the spray header on the water pipe corresponds to the water outlet in position.
Furthermore, the biochemical pool comprises at least two biochemical chambers which are sequentially connected in series and communicated, each biochemical chamber is connected with a conveying pipe and an outflow pipe, and a control valve is arranged on the conveying pipe. The biochemical chambers are divided into small biochemical chambers which are connected in series, so that waste water can sequentially pass through each biochemical chamber to realize serial biochemical treatment, and the control valve of the conveying pipe connected with the previous biochemical chamber can be closed according to the actual waste water amount to reduce the size of the biochemical tank, reasonably carry out biochemical treatment, clean the biochemical tank arranged in front, and realize cleaning under the condition of no need of stopping operation.
Further, the biochemical chamber is one or two of an aerobic biochemical chamber and an anaerobic biochemical chamber.
Further, the biochemical pool comprises two anaerobic biochemical chambers and four aerobic biochemical chambers which are sequentially connected.
Furthermore, a sedimentation tank is arranged at the bottom of the biochemical chamber. Can directly settle the sediment generated in the biochemical chamber, and prevent the sediment from entering the outflow pipe.
Furthermore, the water inlet end of the biochemical chamber is provided with a pretreatment chamber, a prefill is arranged in the pretreatment chamber, the water outlet end of the pretreatment chamber is provided with a water outlet net, and the water outlet net is in a grid structure.
The working principle of the invention is as follows: when the wastewater enters from the water inlet pipe, the wastewater is firstly settled in the settling chamber, the settled wastewater enters into the flow regulating chamber, the flow of the wastewater entering into the biochemical chamber is regulated, the wastewater is transmitted into the biochemical tank from the transmission pipe, and after biochemical treatment is carried out in the biochemical tank, the wastewater flows out from the outflow pipe. A filter screen is arranged on one side of the sedimentation chamber, and can filter fine particles, so that the sedimentation effect is optimized; the waste water is transmitted to a pretreatment chamber of the biochemical chamber through a transmission pipe after filtration, the pretreatment chamber is internally provided with a prefill, the prefill in the pretreatment chamber can monitor biochemical conditions and is convenient to debug, the seasoning can be pulled out of the water surface to check the growth conditions of biochemical films in daily use, a water outlet net is arranged at the water outlet end of the pretreatment chamber, the impact of excessive water outlet pressure on the prefill at the front end of the biochemical chamber can be avoided, the water outlet net is equivalent to a water distribution plate, and the water outlet state of the water outlet end of the pretreatment chamber is uniformly distributed; then enter the pretreatment chamber, can judge biochemically in advance in the pretreatment chamber, the foam remover can clear off the white foam that biochemical reaction produced, the aeration equipment aerates, the filler device can form the biochemical membrane to carry on biochemistry reaction, wherein the stainless steel tube of the filler device is inside to be hollow structure, install the flushing device in the hollow and carry on the filler device again, because must wash the filler device after using for a period of time, otherwise influence biochemical effect and speed, the flushing device of the improvement of the invention washes fast, effectual and labour saving and time saving, reduce the intensity of labour, can realize the automatic flushing. The stainless steel pipe and the water pipe have good fixing effect, and the phenomenon of winding and agglomeration among fillers can be avoided.
In summary, the invention has the advantages that: 1. the filling material is convenient to clean, the operation is simple, and the time and the labor are saved; and the filler is not easy to damage; 2. the bundle-shaped filler in the biochemical chamber is not easy to generate phenomena of winding, agglomeration, fracture and the like, and the normal biochemical reaction of the biochemical chamber is not influenced; 3. the biochemical tank disclosed by the invention has the advantages of good biochemical effect, simplicity in operation, strong practicability and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram showing the internal structure of a biochemical chamber according to embodiment 1 of the present invention;
FIG. 3 is a block diagram of a wastewater treatment process of the present invention;
FIG. 4 is a diagram showing the construction of 6 biochemical chambers according to the first embodiment 2 of the present invention;
FIG. 5 is a diagram showing the construction of 6 biochemical chambers according to the second embodiment 2 of the present invention.
Wherein: a water inlet pipe 1, a sedimentation chamber 2, a flow regulating chamber 3, a conveying pipe 4, a control valve 41, a biochemical chamber 5, a first anaerobic biochemical chamber 501, a second anaerobic biochemical chamber 502, a third aerobic biochemical chamber 503, a fourth aerobic biochemical chamber 504, a fifth aerobic biochemical chamber 505, a sixth aerobic biochemical chamber 506, a packing device 51, a packing ring 511, a stainless steel pipe 512, a fixing rod 513, an aeration device 52, a demister 53, an outflow pipe 6, a filter screen 21, a pretreatment chamber 7, a prefill 71, a water outlet net 72, a back flushing device 8, a flushing water pipe 81, a flushing chamber 82 and a spray head 83.
Detailed Description
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention.
As shown in fig. 1, fig. 2 and fig. 3, a biochemical tank is sequentially provided with a water inlet pipe 1, a sedimentation chamber 2, a flow regulating chamber 3, a conveying pipe 4, a biochemical chamber 5 and an outflow pipe 6 which are mutually communicated, a filter screen 21 is arranged in the sedimentation chamber, a pretreatment chamber 7 is arranged at the water inlet end of the biochemical chamber, a prefill 71 is arranged in the pretreatment chamber, a water outlet net 72 is arranged at the water outlet end of the pretreatment chamber, the water outlet net is in a grid-shaped structure, one side of the water outlet net is provided with the biochemical chamber, the biochemical chamber comprises a filling device 51 arranged in the biochemical chamber, an aeration device 52 arranged at the bottom and a foam remover 53 arranged at the top, the filling device comprises a filling ring 511, a stainless steel pipe 512 and a fixing rod 513, two ends of the fixing rod are arranged on the tank wall of the biochemical tank, the stainless steel pipe is fixedly provided with the filling ring, and the stainless steel pipe is detachably connected to the fixing rod.
The biochemical tank is also provided with a back flushing device 8 which comprises a flushing water pipe 81 and a flushing chamber 82 connected with the flushing water pipe; the stainless steel pipe is of a hollow structure, the flushing water pipe is arranged in the stainless steel pipe, the water pipe is provided with a spray header 83, the stainless steel pipe is provided with a water outlet, and the spray header on the water pipe corresponds to the water outlet. The back flushing of the filling material is realized by a flushing water pipe of the back flushing device. In a specific operation, the packing rings are installed on the stainless steel pipe in a string shape, and a water outlet is arranged between the two packing rings. The number of the spray heads can be set according to actual needs.
In this embodiment, for convenience of installation, the water pipe of the flushing device includes a main pipe connected to the flushing chamber, on which the branch pipes are connected, and the branch pipes are disposed in the non-stationary steel pipe.
At the same time, the backwash assembly may be used to add medications. The required medicines are added into the flushing chamber and directly sprayed into the biochemical chamber through the back flushing device.
The material of the packing ring can be ceramic material, metal material, plastic material, etc. commonly used in the prior art. Anaerobic/aerobic bacteria will form a biochemical film on the packing ring.
The stainless steel pipe detachable connects on the dead lever, and the concrete mode that adopts in this embodiment is: a steel wire rope is arranged at the top of the non-rest steel pipe and is tied on the fixed rod; of course, in other embodiments, a more firm manner may be adopted, such as a buckle is respectively arranged on the stainless steel tube and the fixing rod, and a buckle connection is adopted; of course, other technical means commonly used in the prior art can be adopted for implementation.
In this embodiment, the bottom of the biochemical chamber is provided with a sedimentation tank. Can directly settle the sediment generated in the biochemical chamber, and prevent the sediment from entering the outflow pipe.
Example 2
In this embodiment, the biochemical chambers are divided into 6 biochemical chambers which are sequentially connected in series, one side of each biochemical chamber is connected with a conveying pipe and an outflow pipe, and a control valve 41 is arranged on the conveying pipe. In this embodiment, the 6 biochemical chambers are a first anaerobic biochemical chamber 501, a second anaerobic biochemical chamber 502, a third aerobic biochemical chamber 503, a fourth aerobic biochemical chamber 504, a fifth aerobic biochemical chamber 505, and a sixth aerobic biochemical chamber 506 in sequence. The rest of the structure is the same as in embodiment 1. Since 6 biochemical chambers are arranged in series, only the first biochemical chamber is connected with the processing chamber for saving cost. Therefore, the use frequency of the off-site biochemical chamber is highest.
The biochemical chambers are divided into small biochemical chambers which are connected in series, so that waste water can sequentially pass through each biochemical chamber to realize serial biochemical treatment, and the control valve of the conveying pipe connected with the previous biochemical chamber can be closed according to the actual waste water amount to reduce the size of the biochemical tank, reasonably carry out biochemical treatment, clean the biochemical tank arranged in front, and realize cleaning under the condition of no need of stopping operation.
If the wastewater treatment amount is small, biochemical treatment can be selectively performed without such a large biochemical chamber treatment.
The structure of 6 biochemical chambers of a biochemical tank is shown in FIG. 4, in which arrows indicate the flow direction of wastewater. In the first case, when the demand for anaerobic biochemical treatment is low: the control valve of the conveying pipe of the first anaerobic biochemical chamber, the third aerobic biochemical chamber, the fourth aerobic biochemical chamber, the fifth aerobic biochemical chamber and the sixth aerobic biochemical chamber can be closed, the control valve of the conveying pipe of the second anaerobic biochemical chamber is opened, the wastewater directly enters from the second anaerobic biochemical chamber, and the wastewater subsequently enters the third, fourth, fifth and sixth aerobic biochemical chambers for biochemical treatment due to the communication connection of the biochemical chambers, and the first anaerobic biochemical chamber is emptied; on one hand, the arrangement can reduce the working strength of the biochemical chamber and prolong the service life of the biochemical chamber; on the other hand, the first anaerobic biochemical chamber can be cleaned. And similarly, the control valve of the second anaerobic biochemical chamber can be selectively closed, so that the second anaerobic biochemical chamber is cleaned.
In another case, the structure of 6 biochemical chambers of the biochemical tank is shown in FIG. 5, in which arrows indicate the flow direction of wastewater. Second case: when anaerobic biochemical treatment is not needed, the control valves of the first anaerobic biochemical chamber and the second anaerobic biochemical chamber can be closed, and the control valves of the aerobic biochemical chambers can be selectively opened; at the moment, the third aerobic biochemical chamber is cleaned; and in the same way, the fourth and fifth aerobic biochemical chambers can be cleaned. Since the sixth aerobic biochemical chamber is positioned at the tail end, the cleaning frequency is relatively reduced, and the cleaning can only be stopped when the cleaning is needed.
Of course, according to actual needs, the biochemical chamber is one or two of an aerobic biochemical chamber and an anaerobic biochemical chamber. And the number and the types of the biochemical chambers can be set by themselves.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (6)
1. A biochemical pond, is equipped with inlet tube, sedimentation chamber, flow control room, conveyer pipe, biochemical room, the outlet pipe of intercommunication each other in the biochemical pond in proper order, its characterized in that: the biochemical tank is also provided with a back flushing device, and the back flushing device comprises a flushing water pipe and a flushing chamber connected with the flushing water pipe; the biochemical chamber comprises a filling device, an aeration device arranged at the bottom and a foam remover arranged at the top, wherein the filling device comprises a filling ring, stainless steel pipes and a fixed rod, two ends of the fixed rod are arranged on the wall of a biochemical tank, the stainless steel pipes are fixedly provided with the filling ring, and the stainless steel pipes are detachably connected to the fixed rod; the stainless steel pipe is of a hollow structure, the flushing water pipe is arranged in the stainless steel pipe, a spray header is arranged on the water pipe, a water outlet is arranged on the stainless steel pipe, and the spray header on the water pipe corresponds to the water outlet in position.
2. A biochemical cell according to claim 1, wherein: the biochemical pool comprises at least two biochemical chambers which are sequentially connected in series and communicated, each biochemical chamber is connected with a conveying pipe and an outflow pipe, and a control valve is arranged on the conveying pipe.
3. A biochemical cell according to claim 2, wherein: the biochemical chamber is one or two of an aerobic biochemical chamber and an anaerobic biochemical chamber.
4. A biochemical cell according to claim 3, wherein: the biochemical pool comprises two anaerobic biochemical chambers and four aerobic biochemical chambers which are connected in sequence.
5. A biochemical cell according to claim 1, wherein: the bottom of the biochemical chamber is provided with a sedimentation tank.
6. A biochemical cell according to claim 1, wherein: the biochemical pretreatment device is characterized in that a pretreatment chamber is arranged at the water inlet end of the biochemical chamber, a prefill is arranged in the pretreatment chamber, a water outlet net is arranged at the water outlet end of the pretreatment chamber, and the water outlet net is in a grid-shaped structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710662388.5A CN107285572B (en) | 2017-08-04 | 2017-08-04 | Biochemical pool |
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| CN201710662388.5A CN107285572B (en) | 2017-08-04 | 2017-08-04 | Biochemical pool |
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| CN107285572A CN107285572A (en) | 2017-10-24 |
| CN107285572B true CN107285572B (en) | 2023-08-08 |
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| CN115108634B (en) * | 2022-06-09 | 2023-09-26 | 同济大学建筑设计研究院(集团)有限公司 | Multi-mode self-adaptive inter-camping system and method based on computer vision and high efficiency and energy conservation |
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