Integrated sewage treatment device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an integrated sewage treatment device which comprises a water inlet pipe, a sewage treatment area and an equipment area, the sewage treatment area comprises a pre-aeration adjusting area, an anaerobic area, an aerobic area, a settling area and an artificial wetland area which are sequentially arranged and communicated according to a sewage treatment flow; a first aeration device is further arranged in the pre-aeration adjusting area, a second aeration device is arranged at the bottom of the aerobic area, and a third aeration device is arranged at the bottom of the artificial wetland area; fillers are arranged in the pre-aeration adjusting region, the anaerobic region, the aerobic region and the artificial wetland region; and the first aeration device is circularly started and stopped, so that anaerobic and aerobic environments alternately appear in the pre-aeration adjusting region, anaerobic microorganisms and aerobic microorganisms alternately act to remove organic matters in the sewage, and suspended matters and nitrogen and phosphorus contents of effluent are further reduced through the adsorption action of the filler in the artificial wetland region, so that a guarantee is provided for the standard reaching of water quality.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an integrated sewage treatment device. Background Art

[0002] With the rapid development of my country's economy and the acceleration of urbanization, the use of water resources and sewage treatment issues have become increasingly prominent. In order to solve this problem, integrated sewage treatment devices have come into being. Integrated sewage treatment devices refer to the integration of multiple operations such as pretreatment, biochemical treatment, and deep treatment in the sewage treatment process into a compact device, and the full treatment of sewage is achieved through an automatic control system. This device has the advantages of small footprint, short construction period, low investment cost, and simple operation and maintenance. It is particularly suitable for decentralized sewage treatment scenarios such as urban communities, towns, and rural areas.

[0003] However, due to the limited treatment capacity of the integrated sewage treatment device, the sewage treatment effect is easily affected by factors such as the influent water quality and the sewage treatment volume, which causes problems such as poor stability of sewage treatment effluent and substandard water quality after treatment. Utility Model Content

[0004] The purpose of the utility model is to provide an integrated sewage treatment device, which effectively solves the problems of poor treatment capacity, poor stability of sewage treatment effluent and substandard water quality of the treated water in the existing integrated sewage treatment device.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an integrated sewage treatment device, which includes: a water inlet pipe, a sewage treatment area and an equipment area;

[0006] The sewage treatment area includes a pre-aeration adjustment area, an anaerobic area, an aerobic area, a sedimentation area and an artificial wetland area which are arranged in sequence and connected according to the sewage treatment process;

[0007] A grille and a first water inlet are provided inside the pre-aeration adjustment zone, the first water inlet is provided on the upper part of the side wall of the pre-aeration adjustment zone, one end of the water inlet pipe is connected to the first water inlet, and the grille cover is provided on the first water inlet to remove impurities in the sewage;

[0008] A first aeration device is also provided inside the pre-aeration adjustment zone, a second aeration device is provided at the bottom of the aerobic zone, and a third aeration device is provided at the bottom of the artificial wetland zone;

[0009] The interiors of the pre-aeration adjustment zone, the anaerobic zone, the aerobic zone and the artificial wetland zone are all provided with fillers;

[0010] The equipment area includes a blower and an electric control machine, the air duct of the blower is respectively connected to the first aeration device, the second aeration device and the third aeration device, and the electric control machine is electrically connected to the blower, the first aeration device, the second aeration device and the third aeration device.

[0011] Furthermore, a first drainage hole is provided at the upper portion of the side wall connecting the pre-aeration adjustment zone and the anaerobic zone, and the pre-aeration adjustment zone also includes a water pump, a lifting pipe and a first liquid level gauge;

[0012] The water pump is arranged at the bottom of the pre-aeration adjustment zone, one end of the lifting pipe is connected to the water pump, and the other end is connected to the first drainage hole, so as to transport the sewage from the pre-aeration adjustment zone to the anaerobic zone;

[0013] The first liquid level meter is arranged on the top of the inner wall of the pre-aeration adjustment zone and is electrically connected to the water pump.

[0014] Furthermore, a second drainage hole is provided at the lower part of the side wall connecting the anaerobic zone and the aerobic zone, for discharging the water treated in the anaerobic zone into the aerobic zone;

[0015] A third drainage hole is provided at the upper part of the side wall connecting the aerobic zone and the sedimentation zone, for discharging the water treated in the aerobic zone into the sedimentation zone;

[0016] A fourth drainage hole is provided on the upper portion of the side wall connecting the sedimentation area and the artificial wetland area, for draining water from the sedimentation area into the artificial wetland area.

[0017] Further, the aerobic zone includes a first reflux pump, a first reflux pipe and a second liquid level meter;

[0018] The first reflux pump is arranged at the bottom of the aerobic zone, one end of the first reflux pipe is connected to the first reflux pump, and the other end is connected to the anaerobic zone; the first reflux pipe is used to transport the water treated in the aerobic zone to the anaerobic zone;

[0019] The second liquid level meter is arranged on the top of the inner wall of the aerobic zone and is electrically connected to the first reflux pump.

[0020] Further, the sedimentation zone includes a second reflux pump, a second reflux pipe and a third liquid level gauge;

[0021] The second reflux pump is arranged at the bottom of the sedimentation zone, one end of the second reflux pipe is connected to the second reflux pump, and the other end is connected to the anaerobic zone, and the second reflux pipe is used to transport the sludge to the anaerobic zone;

[0022] The third liquid level gauge is arranged on the top of the inner wall of the sedimentation zone and is electrically connected to the second reflux pump.

[0023] Furthermore, the artificial wetland area is arranged above the equipment area.

[0024] Furthermore, the riser and the first return pipe are both provided with a flow monitoring device and a control valve.

[0025] Furthermore, the second reflux pipe is provided with a flow monitoring device and a control valve.

[0026] Furthermore, it also includes a drainage system, and the drainage system is arranged in the equipment area;

[0027] The drainage system includes a drainage pipe and a disinfection device;

[0028] A fifth drainage hole is arranged on the upper part of the side wall connecting the artificial wetland area and the equipment area, and the fifth drainage hole is connected to the drainage pipe. The disinfection device is used to disinfect the water in the drainage pipe.

[0029] Furthermore, inspection holes are arranged on the upper parts of the pre-aeration adjustment zone, the anaerobic zone, the aerobic zone, the sedimentation zone and the equipment zone.

[0030] The utility model provides an integrated sewage treatment device for pre-aeration treatment. Compared with the prior art, its beneficial effects are:

[0031] A first aeration device and a filler are arranged in the pre-aeration adjustment zone, and the first aeration device is started to oxygenate the pre-aeration adjustment zone, so that the oxygen content is increased, and the pre-aeration adjustment zone is transformed into an aerobic environment, and the aerobic microorganisms in the sewage perform aerobic respiration to decompose organic matter into inorganic matter, and the first aeration device is closed, and aeration stops. Since the aerobic microorganisms in the water need oxygen to breathe, the oxygen content decreases rapidly, and the pre-aeration adjustment zone is transformed into an anaerobic environment, and the anaerobic microorganisms are active to remove organic matter in the sewage, and the first aeration device is started and closed cyclically, so that the anaerobic environment and the aerobic environment in the pre-aeration adjustment zone are alternately The anaerobic and aerobic microorganisms in the water act alternately to remove organic matter in the sewage, and biochemical treatment is achieved in the pre-aeration adjustment zone, thereby effectively utilizing the volume of the pre-aeration adjustment zone, improving the treatment efficiency, and reducing the load on the subsequent biochemical system; in addition, the artificial wetland area is provided with fillers, and the adsorption of the fillers can further reduce the suspended solids and nitrogen and phosphorus content of the effluent, and a third aeration device is arranged at the bottom of the artificial wetland area. The third aeration device aerates and flushes the water to clean up the blockage in the filler, ensuring the normal operation of the filler, providing a guarantee for the water quality to meet the standards, and thus effectively solving the problems of poor effluent stability and substandard water quality after treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1It is a structural schematic diagram of an integrated sewage treatment device provided in an embodiment of the utility model.

[0033] Figure 2 yes Figure 1 A magnified schematic diagram of area A in the middle.

[0034] In the figure, 100, integrated sewage treatment device; 1, water inlet pipe; 2, sewage treatment area; 3, equipment area; 21, pre-aeration adjustment area; 22, anaerobic area; 23, aerobic area; 24, sedimentation area; 25, artificial wetland area; 4, grille; 5, first aeration device; 6, second aeration device; 7, third aeration device; 8, filler; 9, inspection hole; 211, water pump; 212, lifting pipe; 214, first water inlet hole; 215, first drainage hole; 231, first reflux pump; 232, first reflux pipe; 241, second reflux pump; 242, second reflux pipe; 31, drainage pipe; 221, second drainage hole; 233, third drainage hole; 243, fourth drainage hole; 213, first liquid level gauge; 234, second liquid level gauge; 244, third liquid level gauge; 251, fifth drainage hole. DETAILED DESCRIPTION

[0035] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0036] like Figure 1 and Figure 2 As shown, an integrated sewage treatment device of an embodiment of the utility model comprises a water inlet pipe 1, a sewage treatment area 2 and an equipment area 3, wherein the sewage treatment area comprises a pre-aeration adjustment area 21, an anaerobic area 22, an aerobic area 23, a sedimentation area 24 and an artificial wetland area 25 which are sequentially arranged and connected according to the sewage treatment process; a grille 4 and a first water inlet hole 214 are arranged inside the pre-aeration adjustment area 21, the first water inlet hole 214 is arranged on the upper part of the side wall of the pre-aeration adjustment area 21, one end of the water inlet pipe 1 is connected to the first water inlet hole 214, and the grille 4 is covered on the first water inlet hole 214 to remove impurities in the sewage; A first aeration device 5 is also provided inside the pre-aeration adjustment zone 21, a second aeration device 6 is provided at the bottom of the aerobic zone 23, and a third aeration device 7 is provided at the bottom of the artificial wetland zone 25; fillers 8 are provided inside the pre-aeration adjustment zone 21, the anaerobic zone 22, the aerobic zone 23 and the artificial wetland zone 25; the equipment area includes a blower (not shown in the figure) and an electric control machine (not shown in the figure), the air duct of the blower is respectively connected to the first aeration device 5, the second aeration device 6 and the third aeration device 7, and the electric control machine is electrically connected to the blower, the first aeration device 5, the second aeration device 6 and the third aeration device 7.

[0037] Based on the above technical scheme, the first aeration device 5 arranged at the bottom of the pre-aeration adjustment zone 21 is cyclically opened and closed, so that aerobic and anaerobic environments appear alternately in the pre-aeration adjustment zone 21, and the sewage is biochemically treated under the action of aerobic microorganisms and anaerobic microorganisms in the sewage, that is, the biochemical treatment is carried out in the pre-aeration adjustment zone 21, and the volume of the pre-aeration adjustment zone 21 is effectively utilized, the treatment efficiency is improved, and the load of the subsequent biochemical system is reduced; the artificial wetland area 25 is provided with a filler and a third aeration device 7, the adsorption effect of the filler can further reduce the suspended matter and nitrogen and phosphorus content of the effluent, and the third aeration device 7 aerates and flushes the filler in the water, which can remove the blockage in the filler and ensure the normal operation of the filler, thereby effectively solving the problem of poor effluent stability and substandard water quality after treatment.

[0038] Furthermore, if Figure 1 and Figure 2 As shown, in order to discharge the sewage of the pre-aeration adjustment zone 21 into the anaerobic zone 22, a first drainage hole 215 is provided on the upper part of the side wall connecting the pre-aeration adjustment zone 21 and the anaerobic zone 22, and the pre-aeration adjustment zone 21 also includes a water pump 211, a lifting pipe 212 and a first liquid level gauge 213; the water pump 211 is arranged at the bottom of the pre-aeration adjustment zone 21, one end of the lifting pipe 212 is connected to the water pump 211, and the other end is connected to the first drainage hole 215, which is used to transport the sewage of the pre-aeration adjustment zone 21 to the anaerobic zone 22; the first liquid level gauge 213 is arranged on the top of the inner wall of the pre-aeration adjustment zone 21 and is electrically connected to the water pump 211. When working, the start and stop of the water pump are determined according to the liquid level information of the pre-aeration adjustment zone 21 measured by the first liquid level gauge 213, and the first liquid level gauge 213 is an ultrasonic liquid level gauge.

[0039] Furthermore, if Figure 1 and Figure 2 As shown, in order to realize the flow of sewage according to the treatment process, a second drainage hole 221 is opened at the lower part of the side wall connecting the anaerobic zone 22 and the aerobic zone 23, which is used to discharge the water treated in the anaerobic zone 22 into the aerobic zone 23; a third drainage hole 233 is opened at the upper part of the side wall connecting the aerobic zone 23 and the sedimentation zone 24, which is used to discharge the water treated in the aerobic zone 23 into the sedimentation zone 24; a fourth drainage hole 243 is opened at the upper part of the side wall connecting the sedimentation zone 24 and the artificial wetland area 25, which is used to discharge the water in the sedimentation zone 24 into the artificial wetland area 25.

[0040] Furthermore, if Figure 1 and Figure 2As shown, the water after nitrification in the aerobic zone 23 is called nitrified liquid. In order to realize the nitrified liquid in the sewage treatment process to flow back to the anaerobic zone 22, provide combined nitrogen for the denitrification reaction in the anaerobic zone 22, and then reduce the total nitrogen content in the water through the denitrification reaction in the anaerobic zone 22, the aerobic zone 23 includes a first reflux pump 231, a first reflux pipe 232 and a second liquid level meter 234; the first reflux pump 231 is arranged at the bottom of the aerobic zone 23, and the first reflux pipe 232 is provided at the bottom of the aerobic zone 23. One end is connected to the first reflux pump 231, and the other end is connected to the anaerobic zone 22; the first reflux pipe 232 is used to transport the nitrified liquid to the anaerobic zone 22; the second liquid level meter 234 is arranged on the top of the inner wall of the aerobic zone 23, and is electrically connected to the first reflux pump 231. When working, the start and stop of the first reflux pump 231 are determined according to the liquid level information of the aerobic zone 23 measured by the second liquid level meter 234. The second liquid level meter 234 is an ultrasonic liquid level meter.

[0041] Furthermore, if Figure 1 and Figure 2 As shown, in order to realize the sludge return to the anaerobic zone 22 in the sewage treatment process so as to maintain the microbial concentration in the anaerobic zone 22, the sedimentation zone 24 includes a second reflux pump 241, a second reflux pipe 242 and a third liquid level gauge 244; the second reflux pump 241 is arranged at the bottom of the sedimentation zone 24, one end of the second reflux pipe 242 is connected to the second reflux pump 241, and the other end is connected to the anaerobic zone 22, and the second reflux pipe 242 is used to transport the sludge to the anaerobic zone 22; the third liquid level gauge 244 is arranged at the top of the inner wall of the sedimentation zone 24, and is electrically connected to the second reflux pump 241. When working, the start and stop of the second reflux pump 244 is determined according to the liquid level information of the sedimentation zone 24 measured by the third liquid level gauge 244, and the third liquid level gauge 244 is an ultrasonic liquid level gauge.

[0042] Furthermore, if Figure 1 As shown, the artificial wetland area 25 is arranged above the equipment area 3, and both the artificial wetland area 25 and the equipment area 3 are located downstream of the sedimentation area 24. This structural arrangement is reasonable, making the overall structure more compact.

[0043] Furthermore, if Figure 1 and Figure 2 As shown, in order to facilitate flow control and metering of the liquid in the pipeline, the lifting pipe 212, the first return pipe 232 and the second return pipe 242 are provided with a flow monitoring device (not shown in the figure) and a control valve (not shown in the figure), the flow monitoring device is an electromagnetic flowmeter, and the control valve is a check valve and a butterfly valve.

[0044] Furthermore, the integrated sewage treatment device 100 also includes a drainage system, which is arranged in the equipment area 3, such as Figure 1 As shown, in order to disinfect and sterilize the water after sewage treatment, the drainage system includes a drain pipe 31 and a disinfection device (not shown in the figure); a fifth drain hole 251 is set on the upper part of the side wall where the artificial wetland area 25 is connected to the equipment area 3, and the fifth drain hole 251 is connected to the drain pipe 31. The disinfection device is used to disinfect the water in the drain pipe 31, and the disinfection device is an ultraviolet disinfection device.

[0045] Furthermore, if Figure 1 As shown, in order to facilitate maintenance, the pre-aeration adjustment zone 21, the anaerobic zone 22, the aerobic zone 23, the sedimentation zone 24 and the upper part of the equipment zone 3 of this embodiment are all provided with inspection holes 9, the equipment zone 3 is arranged in an L shape, and the artificial wetland area 25 is arranged on the equipment zone 3, so that the two constitute a square structure as a whole.

[0046] The working process of the utility model is as follows: sewage enters the pre-aeration adjustment zone 21 from the first water inlet hole 214 through the water inlet pipe 1, the outer cover of the first water inlet hole is provided with a grille 4 to remove large particle impurities in the sewage, the water pump 211 at the bottom of the pre-aeration adjustment zone 21 transports the sewage in the pre-aeration adjustment zone 21 from the first drainage hole 215 to the anaerobic zone 22 through the lifting pipe 212, the treated water in the anaerobic zone 22 is discharged into the aerobic zone 23 through the second drainage hole 221, the treated water in the aerobic zone 23 is discharged into the sedimentation zone 24 through the third drainage hole 233, mud and water separation is achieved in the sedimentation zone 24, the precipitated water is discharged into the artificial wetland area 25 through the fourth drainage hole 243, after being adsorbed by the filler and plants in the artificial wetland area 25, the treated water enters the drainage pipe 31 in the equipment area 3 through the fifth drainage hole 251, and is discharged after being disinfected by the disinfection device in the equipment area 3.

[0047] In summary, the embodiment of the utility model provides an integrated sewage treatment device. On the basis of setting a regulation zone, an anaerobic zone, an aerobic zone, a sedimentation zone, an artificial wetland area and an electronic control device to complete sewage treatment in the prior art, a first aeration device is set in the pre-aeration regulation zone, so that aerobic and anaerobic environments in the pre-aeration regulation zone appear alternately, and organic matter in the sewage is removed by microorganisms in the sewage to complete biochemical treatment, and the volume of the pre-aeration regulation zone is effectively utilized, thereby improving the treatment efficiency and reducing the load of the subsequent biochemical system. In addition, fillers are set in the artificial wetland area, and the adsorption effect of the fillers further reduces the suspended matter and nitrogen and phosphorus content of the effluent. In addition, a third aeration device is set at the bottom of the artificial wetland area, and the third aeration device aerates and flushes the water to clean the blockage in the filler, thereby ensuring the normal operation of the filler and providing a guarantee for the water quality to meet the standards, thereby effectively solving the problems of poor effluent stability and substandard water quality after treatment.

[0048] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An integrated sewage treatment device, characterized in that ,include: Water inlet pipes, sewage treatment areas and equipment areas; The sewage treatment area includes a pre-aeration adjustment area, an anaerobic area, an aerobic area, a sedimentation area and an artificial wetland area which are arranged in sequence and connected according to the sewage treatment process; A grille and a first water inlet are provided inside the pre-aeration adjustment zone, the first water inlet is provided on the upper part of the side wall of the pre-aeration adjustment zone, one end of the water inlet pipe is connected to the first water inlet, and the grille cover is provided on the first water inlet to remove impurities in the sewage; A first aeration device is also provided inside the pre-aeration adjustment zone, a second aeration device is provided at the bottom of the aerobic zone, and a third aeration device is provided at the bottom of the artificial wetland zone; The interiors of the pre-aeration adjustment zone, the anaerobic zone, the aerobic zone and the artificial wetland zone are all provided with fillers; The equipment area includes a blower and an electric control machine, the air duct of the blower is respectively connected to the first aeration device, the second aeration device and the third aeration device, and the electric control machine is electrically connected to the blower, the first aeration device, the second aeration device and the third aeration device.

2. The integrated sewage treatment device according to claim 1, characterized in that: A first drainage hole is provided at the upper portion of the side wall connecting the pre-aeration adjustment zone and the anaerobic zone, and the pre-aeration adjustment zone also includes a water pump, a lifting pipe and a first liquid level gauge; The water pump is arranged at the bottom of the pre-aeration adjustment zone, one end of the lifting pipe is connected to the water pump, and the other end is connected to the first drainage hole, so as to transport the sewage from the pre-aeration adjustment zone to the anaerobic zone; The first liquid level meter is arranged on the top of the inner wall of the pre-aeration adjustment zone and is electrically connected to the water pump.

3. The integrated sewage treatment device according to claim 1, characterized in that: A second drainage hole is provided at the lower part of the side wall connecting the anaerobic zone and the aerobic zone, for discharging the water treated in the anaerobic zone into the aerobic zone; A third drainage hole is provided at the upper part of the side wall connecting the aerobic zone and the sedimentation zone, for discharging the water treated in the aerobic zone into the sedimentation zone; A fourth drainage hole is provided on the upper portion of the side wall connecting the sedimentation area and the artificial wetland area, for draining water from the sedimentation area into the artificial wetland area.

4. The integrated sewage treatment device according to claim 2, characterized in that: The aerobic zone includes a first reflux pump, a first reflux pipe and a second liquid level meter; The first reflux pump is arranged at the bottom of the aerobic zone, one end of the first reflux pipe is connected to the first reflux pump, and the other end is connected to the anaerobic zone; the first reflux pipe is used to transport the water treated in the aerobic zone to the anaerobic zone; The second liquid level meter is arranged on the top of the inner wall of the aerobic zone and is electrically connected to the first reflux pump.

5. The integrated sewage treatment device according to claim 2, characterized in that: The sedimentation zone includes a second reflux pump, a second reflux pipe and a third liquid level gauge; The second reflux pump is arranged at the bottom of the sedimentation zone, one end of the second reflux pipe is connected to the second reflux pump, and the other end is connected to the anaerobic zone, and the second reflux pipe is used to transport the sludge to the anaerobic zone; The third liquid level gauge is arranged on the top of the inner wall of the sedimentation zone and is electrically connected to the second reflux pump.

6. The integrated sewage treatment device according to claim 1, characterized in that: The artificial wetland area is arranged above the equipment area.

7. The integrated sewage treatment device according to claim 4, characterized in that: The lifting pipe and the first return pipe are both provided with a flow monitoring device and a control valve.

8. The integrated sewage treatment device according to claim 5, characterized in that: The second reflux pipe is provided with a flow monitoring device and a control valve.

9. The integrated sewage treatment device according to claim 1, characterized in that: Also includes a drainage system, the drainage system is arranged in the equipment area; The drainage system includes a drainage pipe and a disinfection device; A fifth drainage hole is arranged on the upper part of the side wall connecting the artificial wetland area and the equipment area, and the fifth drainage hole is connected to the drainage pipe. The disinfection device is used to disinfect the water in the drainage pipe.

10. The integrated sewage treatment device according to claim 1, characterized in that: The upper parts of the pre-aeration adjustment area, the anaerobic area, the aerobic area, the sedimentation area and the equipment area are all provided with inspection holes.

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