CN210945252U - Sewage treatment device - Google Patents

Abstract

The utility model relates to the field of sewage treatment, in particular to a sewage treatment device. It includes a water quality adjustment tank, anoxic tank, aerobic tank and a ceramic membrane tank that are connected in sequence, the water quality adjustment tank is connected with a water inlet pipe, the water quality adjustment tank is provided with a suspended biological filler, and the ceramic membrane tank is provided with There is a mud-water separation component, and the mud-water separation component is respectively connected with a sludge pool and a clean water pool, the clean water pool is provided with a water outlet pipe, and the water quality adjustment pool is provided with a lift pump, and the water outlet of the lift pump is connected to the water outlet. The hypoxia pool is connected. A lift pump is installed in the water quality adjustment tank, and the adjusted water is transported to the anoxic tank through the lift pump, and the reaction of hydrolysis, acidification and denitrification to remove total nitrogen occurs in the anoxic tank. Adjust the setting of the tank, suspend the biological filler in the adjustment tank, and pretreat the influent water quality.

Description

A sewage treatment device

technical field

The utility model relates to the field of sewage treatment, in particular to a sewage treatment device.

Background technique

At present, as of 2015, my country has a rural population of 607.6 million, distributed in more than 2.7 million natural villages, and produces about 10 billion tons of sewage every year. Due to the problems of imperfect plant and network construction and low level in the construction of rural sewage treatment facilities, the rural sewage treatment rate is less than 10%, and most of the sewage is still discharged arbitrarily without treatment. The main problems existing in rural sewage treatment at present:

(1) There is a lack of technology suitable for rural sewage treatment. Basically, it is designed according to the technical route of municipal sewage, with high investment and operation costs and high operation and maintenance requirements.

(2) The market of rural sewage treatment technology is chaotic, and the sewage treatment technology that does not meet the standard or has complicated management is flooding the rural sewage treatment market.

(3) The quantity and quality of sewage in rural areas fluctuate greatly, which seriously affects the efficiency of rural sewage treatment and often exceeds the standard.

(4) The MBR membrane bioreactor technology has been applied to the rural sewage treatment process with its excellent treatment effect and effluent quality. However, since all organic membranes are currently used, hollow fiber membranes are usually used, and in rural areas due to If the pretreatment is not in place, it is easy to cause a large amount of suspended solids to enter the biochemical system, thus affecting the processing efficiency of the hollow fiber membrane, and even causing the fiber membrane to be broken and blocked, which also causes the stable processing efficiency of the MBR system.

Utility model content

The technical problem to be solved by the utility model is to provide a sewage treatment device to solve the problem of poor sewage treatment effect.

The technical solution of the utility model to solve the above-mentioned technical problems is as follows: a sewage treatment device, comprising a water quality adjustment tank, anoxic tank, an aerobic tank and a ceramic membrane tank connected in sequence, wherein the water quality adjustment tank is connected with a water inlet pipe, so The water quality adjustment tank is provided with a suspended biological filler, the ceramic membrane tank is provided with a mud-water separation component, and the mud-water separation component is respectively connected with a sludge pool and a clean water pool, and a water outlet pipe is arranged on the clean water pool, and the A lift pump is arranged inside the water quality adjustment tank, and the water outlet of the lift pump is communicated with the anoxic tank.

Further, it also includes an oxygen aeration component, which is arranged in the aerobic tank and the ceramic membrane tank.

Further, the aeration assembly includes a blower and a plurality of aeration heads, the air outlet of the blower is connected with the plurality of the aeration heads through pipelines, and the plurality of the aeration heads are distributed and arranged in the aerobic pool with the ceramic membrane pool inside.

Further, an artificial grill is arranged between the water quality adjustment tank and the water inlet pipe.

Further, a mudguard component is provided at the connection position of the aerobic pool and the ceramic membrane pool, the water inlet of the mudguard component is communicated with the aerobic pool, and the water outlet of the mudguard component is connected to the ceramic membrane. The tanks are connected, and the sludge pipes on the fender components are respectively connected to the anoxic tank and the sludge tank.

Further, both the water inlet of the aerobic pool and the water inlet of the mud retaining member are provided with flow regulating valves.

Further, the mud-water separation assembly includes a ceramic membrane group and a self-priming pump, the ceramic membrane group is connected with the water inlet of the self-priming pump through a pipeline, and the water outlet of the self-priming pump is communicated with the clean water tank.

Further, it also includes a backwash pump, the water inlet of the backwash pump is communicated with the clean water tank, and the water outlet of the backwash pump is communicated with the ceramic membrane group.

The utility model provides a sewage treatment device, which comprises a water quality adjustment tank, an anoxic tank, an aerobic tank and a ceramic membrane tank which are connected in sequence. The ceramic membrane tank is provided with a mud-water separation component, and the mud-water separation component is respectively connected with a sludge tank and a clear water tank, the clear water tank is provided with a water outlet pipe, and the water quality adjustment tank is provided with a lift pump , the water outlet of the lift pump is communicated with the anoxic pool. In this way, the sewage enters the water quality adjustment tank, and the water quality and quantity of the sewage are adjusted uniformly. In the adjustment tank, there is a suspended biological filler, and the filler is rich in microbial flora, which can oxidize and remove the pollutants in the sewage. The main function of the adjustment tank is to set the characteristics of large changes in the quality and quantity of sewage in rural areas; a lift pump is installed in the water quality adjustment tank, and the adjusted water is transported to the anoxic tank through the lift pump, where hydrolysis, acidification and denitrification occur in the anoxic tank. Reaction to remove total nitrogen. Adjust the setting of the tank, suspend the biological filler in the adjustment tank, and pretreat the influent water quality.

Description of drawings

FIG. 1 is a schematic structural diagram of a sewage treatment device of the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Water inlet pipe, 2. Artificial grill, 3. Water quality adjustment tank, 4. Suspended biological filler, 5. Anoxic tank, 6. Aerobic tank, 7. Ceramic membrane tank, 8. Slurry separation component, 801, Ceramic membrane group, 802, self-priming pump, 803, backwash pump, 9, lift pump, 10, blower, 11, aeration head, 12, sludge tank, 13, clean water tank, 14, mudguard parts, 15, Flow regulating valve, 16, outlet pipe.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", etc. is based on The orientation or positional relationship shown in the accompanying drawings is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood To limit the utility model.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figure 1, the utility model provides a sewage treatment device, comprising a water quality adjustment tank 3, anoxic tank 5, an aerobic tank 6 and a ceramic membrane tank 7 that are connected in sequence, and the water quality adjustment tank 3 is connected with an inlet The water pipe 1, the water quality adjustment tank 3 is provided with a suspended biological filler 4, the ceramic membrane tank 7 is provided with a mud-water separation component 8, and the mud-water separation component 8 is respectively connected with a sludge tank 12 and a clean water tank 13, The clear water tank 13 is provided with a water outlet pipe 16 , the water quality adjustment tank 3 is provided with a lift pump 9 , and the water outlet of the lift pump 9 communicates with the anoxic tank 5 . In this way, the sewage enters the water quality adjustment tank 3, and the water quality and quantity of the sewage are adjusted uniformly. A suspended biological filler 4 is arranged in the adjustment tank, and the filler has abundant microbial flora, which can oxidize and remove the pollutants in the sewage. The main function of the water quality adjustment tank 3 is to set the characteristics of large changes in the quality and quantity of sewage in rural areas; a lift pump 9 is set in the water quality adjustment tank 3, and the adjusted water is transported to the anoxic tank 5 through the lift pump 9. The reaction of hydrolysis, acidification and denitrification to remove total nitrogen occurs in pool 5. Adjust the setting of the tank, suspend the biological filler in the adjustment tank, and pretreat the influent water quality.

The sewage treatment device of the present invention, as shown in FIG. 1 , on the basis of the technical solution described above, may also include an oxygen aeration assembly, which is arranged in the aerobic tank 6 and the ceramic membrane tank. within 7. A further preferred technical solution is: the aeration assembly includes a blower 10 and a plurality of aeration heads 11, the air outlet of the blower 10 is connected with the plurality of aeration heads 11 through pipelines, and a plurality of the aeration heads 11 are connected. The gas heads 11 are distributed and arranged inside the aerobic tank 6 and the ceramic membrane tank 7 . In this way, the anoxic tank 5 and the aerobic tank 6 are set according to the aeration conditions, and the adjustment weir is used between the anoxic tank 5 and the aerobic tank 6 to adjust the height to adjust the amount of the aerobic tank 6 returning to the anoxic tank 5, eliminating the need for The traditional return water pump is used, which reduces the power consumption of the system.

The sewage treatment device of the present invention, as shown in FIG. 1 , can also be based on the technical solution described above: an artificial grill 2 is arranged between the water quality adjustment tank 3 and the water inlet pipe 1 . In this way, the large impurities in the sewage are first removed through the artificial grid 2. The aperture of the artificial grid 2 is less than 5mm, and the sewage enters the water quality adjustment tank 3 to uniformly adjust the quality and quantity of the sewage.

The sewage treatment device of the present invention, as shown in FIG. 1, can also be based on the technical solution described above: a mudguard 14 is provided at the connection position of the aerobic tank 6 and the ceramic membrane tank 7, so the The water inlet of the mudguard 14 is communicated with the aerobic pool 6, the water outlet of the mudguard 14 is communicated with the ceramic membrane pool 7, and the sludge pipes on the mudguard 14 are respectively connected to the Anoxic tank 5 and sludge tank 12. A further preferred technical solution is: both the water inlet of the aerobic pool 6 and the water inlet of the mudguard member 14 are provided with a flow regulating valve 15 . In this way, after passing through the anoxic tank 5, the sewage enters the aerobic tank 6 from the bottom hole, the aeration head 11 is provided in the aerobic tank 6, and the oxygen is transported through the blower 10, and the microorganisms in the aerobic tank 6 meet the aerobic conditions. Removal of pollutants and nitrification to remove ammonia nitrogen in wastewater. Due to the aeration effect of the blower 10 in the aerobic tank 6, the water level is raised compared with the water level in the front anoxic tank 5, and is returned to the anoxic tank 5 by gravity through the flow regulating valve 15, and enters the sump through another section of the flow regulating valve 15; A mudguard 14 is provided in the water collecting tank, and the bottom of the sludge sedimentation is partially returned to the anoxic tank 5 through the pipeline, and the other part is returned to the sludge tank 12 for precipitation, and the sewage in the collecting tank enters the subsequent ceramic membrane tank 7 through the pipeline.

The sewage treatment device of the present invention, as shown in FIG. 1 , on the basis of the technical solution described above, can also be: the mud-water separation assembly 8 includes a ceramic membrane group 801 and a self-priming pump 802 , and the ceramic membrane group 801 It is connected with the water inlet of the self-priming pump 802 through a pipeline, and the water outlet of the self-priming pump 802 is communicated with the clean water pool 13 . A further preferred technical solution is: further comprising a backwash pump 803 , the water inlet of the backwash pump 803 is communicated with the clean water tank 13 , and the water outlet of the backwash pump 803 is communicated with the ceramic membrane group 801 . In this way, a mud-water separation component 8 is arranged in the sump, a part of the sludge sedimentation bottom is returned to the anoxic tank 5 through the pipeline, and the other part is returned to the sludge tank 12 for precipitation, and the sewage in the sump enters the subsequent ceramic membrane tank 7 through the pipeline. . A ceramic membrane is installed in the ceramic membrane tank 7 to separate the sewage and the sludge brought from the sump, and further remove the sludge and suspended solids in the sewage. The clean water is sucked by the self-priming pump 802 and filtered through the ceramic membrane before entering the In the clean water tank 13, after a period of time, in order to keep the ceramic membrane from being blocked, the backwash pump 803 sucks the clean water in the clean water tank 13 to backwash the ceramic membrane. If the membrane is seriously blocked, it can also be cleaned with medicine. When cleaning the medicine, you only need to pour the medicine directly into the clear water tank 13, and configure it into a certain concentration of medicine to soak the membrane with the medicine; the excess sludge generated by the system is discharged through the sludge. The pipe enters the sludge tank 12, and the supernatant liquid of the sludge tank 12 is returned to the anoxic tank 5 through the supernatant liquid return pipe for further processing.

After the sewage is treated, it can be directly hit to the level of regeneration and reuse. It can be used as landscape water, road sprinkler, public toilet flushing, land irrigation, etc.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (8)

1. A sewage treatment device is characterized in that: including water quality adjusting tank (3), oxygen deficiency pond (5), good oxygen pond (6) and ceramic membrane pond (7) that communicate in proper order, water quality adjusting tank (3) intercommunication is provided with inlet tube (1), water quality adjusting tank (3) inside is provided with suspension type biofilm carrier (4), ceramic membrane pond (7) are provided with mud-water separation subassembly (8), mud-water separation subassembly (8) communicate respectively and are provided with sludge impoundment (12) and clean water basin (13), be provided with outlet pipe (16) on clean water basin (13), water quality adjusting tank (3) inside is provided with elevator pump (9), the outlet of elevator pump (9) with oxygen deficiency pond (5) intercommunication.

2. The sewage treatment apparatus of claim 1, wherein: the device also comprises an oxygen aeration component, wherein the oxygen aeration component is arranged in the aerobic tank (6) and the ceramic membrane tank (7).

3. The sewage treatment apparatus according to claim 2, wherein: the oxygen aeration assembly comprises an air blower (10) and a plurality of aeration heads (11), wherein an air outlet of the air blower (10) is connected with the plurality of aeration heads (11) through pipelines, and the plurality of aeration heads (11) are distributed in the aerobic tank (6) and the ceramic membrane tank (7).

4. The sewage treatment apparatus of claim 1, wherein: an artificial grid (2) is arranged between the water quality adjusting tank (3) and the water inlet pipe (1).

5. The sewage treatment apparatus of claim 1, wherein: the good oxygen pond (6) with ceramic membrane pond (7) hookup location is provided with fender mud part (14), the water inlet that keeps off mud part (14) with good oxygen pond (6) intercommunication, the delivery port that keeps off mud part (14) with ceramic membrane pond (7) intercommunication, the sludge pipe on fender mud part (14) communicates respectively oxygen deficiency pond (5) and sludge impoundment (12).

6. The sewage treatment apparatus of claim 5, wherein: and flow regulating valves (15) are arranged at the water inlet of the aerobic tank (6) and the water inlet of the mud blocking part (14).

7. The sewage treatment apparatus of claim 1, wherein: mud-water separation subassembly (8) include ceramic membrane group (801) and self priming pump (802), ceramic membrane group (801) with the water inlet of self priming pump (802) passes through the tube coupling, the delivery port of self priming pump (802) with clean water basin (13) intercommunication.

8. The sewage treatment apparatus of claim 7, wherein: the ceramic membrane water separator further comprises a backwashing pump (803), the water inlet of the backwashing pump (803) is communicated with the clean water tank (13), and the water outlet of the backwashing pump (803) is communicated with the ceramic membrane group (801).

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