CN216191793U

CN216191793U - System for be used for handling fecal sewage

Info

Publication number: CN216191793U
Application number: CN202122826048.6U
Authority: CN
Inventors: 姚惠华
Original assignee: Yaoshun Shanghai Environmental Protection Technology Co ltd
Current assignee: Yaoshun Shanghai Environmental Protection Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-05
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a system for treating fecal sewage, which comprises a sewage primary treatment device, a steam stripping device, a microorganism treatment device, an active carbon treatment device, an MBR (membrane bioreactor) membrane treatment device and an ozone treatment device; the inlet of the microbial treatment device is connected with the outlet of the primary sewage treatment device, and the outlet of the microbial treatment device is connected with the inlet of the activated carbon treatment device; the outlet of the active carbon treatment device is connected with the inlet of the MBR membrane treatment device; the outlet of the MBR membrane treatment device is connected with the inlet of the ozone treatment device. The utility model provides a system for treating fecal sewage, which has the advantages of simple structure, small equipment occupied area, short sewage treatment time and high sewage treatment efficiency.

Description

System for be used for handling fecal sewage

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a system for treating fecal sewage.

Background

Fecal sewage refers to the washing water excreted by residents in life, which is defined as domestic sewage containing fecal matter, such as toilet water in a toilet. The fecal sewage is typically high concentration organic sewage, and the basic task of fecal sewage treatment is to remove various organic substances therein. In addition, the water quality BO of excrement and urine sewage of the excrement collector in the closed toilet of the steamship and passenger trainD₅The concentration is generally 2000-4500 mg/L, COD_CrThe ammonia nitrogen concentration is 5000-8000 mg/L, the ammonia nitrogen concentration is 800-1300 mg/L, the suspended substance SS is 650-1500 mg/L, and from the view of the operation condition of independent treatment, the treatment process is complex, the operation condition is poor, the ammonia nitrogen concentration of effluent is high, and the standard discharge can not be realized. At present, a treatment device for fecal sewage mainly adopts a biological treatment method, which utilizes the life activities of microorganisms to degrade organic matters in a dissolved state or a colloidal state in the sewage, thereby purifying the sewage.

In conclusion, the existing sewage purification equipment has the defects of large occupied area, strict requirement on temperature, long treatment time and low sewage treatment efficiency, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

To this end, the present invention provides a system for treating fecal sewage.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides a system for treating fecal sewage, which comprises a sewage primary treatment device, a steam stripping device, a microorganism treatment device, an active carbon treatment device, an MBR (membrane bioreactor) membrane treatment device and an ozone treatment device;

the inlet of the microbial treatment device is connected with the outlet of the primary sewage treatment device, and the outlet of the microbial treatment device is connected with the inlet of the activated carbon treatment device;

the outlet of the active carbon treatment device is connected with the inlet of the MBR membrane treatment device;

the outlet of the MBR membrane treatment device is connected with the inlet of the ozone treatment device;

the system also comprises a sewage collecting device and a clear water storing device, wherein the sewage collecting device is connected with the sewage primary treatment device, and an inlet of the clear water storing device is connected with an outlet of the ozone treatment device.

In one embodiment of the present invention, the primary sewage treatment apparatus is provided with a grating for filtering and pulverizing solid waste in a sewage flow direction.

In one embodiment of the utility model, an aeration pipe is arranged in the stripping device, and the aeration pipe is connected with an aeration pump.

In one embodiment of the utility model, a perforated plate for carrying microorganisms is provided in the microorganism processing apparatus.

In one embodiment of the utility model, a porous partition plate for bearing activated carbon and a buffer plate are arranged in the activated carbon treatment device.

In one embodiment of the utility model, the MBR membrane treatment device is also connected with a sodium hypochlorite storage device.

In one embodiment of the present invention, the microbial treatment device, the MBR membrane treatment device, and the ozone generator are respectively connected to a gas supply device.

In one embodiment of the utility model, the stripping device, the microbial treatment device, the activated carbon treatment device, the MBR membrane treatment device, the ozone treatment device and the clear water storage device are all connected with the emergency outlet through pipelines.

The utility model has the following advantages:

the utility model provides a system for treating fecal sewage, which has the advantages of simple structure, small equipment occupied area, short sewage treatment time and high sewage treatment efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic structural view of a system for treating fecal sewage according to an embodiment of the present invention;

FIG. 2 is a schematic view of a treatment process of a system for treating fecal sewage according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an activated carbon treatment apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a microbial treatment apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a decoloring column according to an embodiment of the present invention;

in the figure: 100-a sewage primary treatment device; 101-a grid; 110-self-priming pump; 120-an aeration pump; 130-circulation pump; 140-a discharge pump; 150-a pipeline pump; 200-a stripping unit; 300-a microbial treatment apparatus; 310-a perforated plate; 400-an activated carbon treatment device; 410-a porous separator; 420-a buffer plate; 500-MBR treatment device; 600-a decolorizing column; 700-clear water storage means; 710-a sewage collection device; 720-clear water collecting device; 730-a sodium hypochlorite storage device; 740-grinding pump.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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.

As shown in fig. 1 and 2, an embodiment of the present invention provides a system for treating fecal sewage, which includes a primary sewage treatment device 100, a stripping device 200, a microbial treatment device 300, an activated carbon treatment device 400, an MBR membrane treatment device 500, and an ozone treatment device; the inlet of the microbial treatment device 300 is connected with the outlet of the primary sewage treatment device 100, and the outlet of the microbial treatment device 300 is connected with the inlet of the activated carbon treatment device 400; the outlet of the activated carbon treatment device 400 is connected with the inlet of the MBR membrane treatment device 500; the outlet of the MBR membrane treatment device 500 is connected to the inlet of the ozone treatment device. The primary sewage treatment apparatus 100 is provided with a grating 101 for filtering and pulverizing solid waste in the sewage flow direction, and the grating 101 can further filter or pulverize the solid waste in the sewage. The stripping device 200 is provided with an aeration pipe therein, which is connected to the aeration pump 120, and the sewage can be stripped by the aeration pipe and the aeration pump 120. The microorganism treatment device 300 is provided with a porous plate 310 for bearing microorganisms, and the microorganisms on the porous plate 310 can treat the sewage to reduce the COD of the sewage. The system for treating fecal sewage further comprises a sewage collecting device 710, a clear water storing device 700 and a clear water collecting device 720, wherein the sewage collecting device 710 is connected with the sewage primary treatment device 100, the inlet of the clear water storing device 700 is connected with the outlet of the ozone treatment device, and the inlet of the clear water collecting device 720 is connected with the outlet of the clear water storing device 700. The fresh water collection device 720 may further be used for washing, toilet water, etc.

As shown in fig. 3, a porous partition 410 and a buffer plate 420 for bearing activated carbon are disposed in the activated carbon treatment apparatus 400, and sewage entering the activated carbon treatment apparatus 400 is firstly adsorbed by the activated carbon, and purified by adsorption, and then flows onto the buffer plate 420 and enters the bottom of the activated carbon treatment apparatus 400. Still be equipped with the crushing pump between sewage collection device 710 and sewage primary treatment unit 100, the crushing pump is used for smashing the solid waste in the sewage, between microbial treatment device 300 and active carbon treatment device 400, between active carbon treatment device 400 and MBR membrane treatment device 500, be equipped with self priming pump 110 between MBR membrane treatment device 500 and the ozone treatment device, self priming pump 110 can shift the sewage of handling between adjacent device, be equipped with discharge pump 140 between ozone treatment device and clear water storage device 700, carry the clear water storage device 700 through discharge pump 140 with sewage after the ozone treatment device is handled and store.

The system for treating fecal sewage of the present invention further comprises a control device, the control device is respectively connected with the primary sewage treatment device 100, the stripping device 200, the microorganism treatment device 300, the activated carbon treatment device 400, the MBR membrane treatment device 500, the ozone treatment device, the self-priming pump 110, the pipeline pump 150, etc. in a control manner, and the control device can open and close each device, so that the whole sewage treatment process is controllable.

As shown in fig. 4, the microorganism treatment device 300, the MBR membrane treatment device 500 and the ozone generator are respectively connected to a gas supply device, the gas supply device can provide oxygen for microorganism fermentation, and the MBR membrane treatment device 500 provides gas for sewage treatment and provides oxygen for the ozone generator.

As shown in fig. 5, the ozone treatment device includes an ozone generator and a decoloring column 600, the ozone generator is connected to the decoloring column, and ozone generated by the ozone generator is introduced into the sewage in the decoloring column 600 to sterilize the sewage. The decoloring column 600 is a cuboid structure, and an ultraviolet sterilizing lamp is further arranged in the decoloring column 600 and can further sterilize the sewage.

The steam stripping device 200, the microorganism treatment device 300, the activated carbon treatment device 400, the MBR membrane treatment device 500, the ozone treatment device and the clear water storage device 700 are all connected with an emergency outlet through a pipeline provided with a pipeline pump 150, and valves are arranged on the pipelines connected with the steam stripping device 200, the microorganism treatment device 300, the activated carbon treatment device 400, the MBR membrane treatment device 500, the ozone treatment device and the clear water storage device 700, and when any one of the devices fails, sewage in the device can be discharged from the emergency outlet through the pipeline pump 150 by opening the corresponding valve. MBR membrane treatment device 500 still is connected with sodium hypochlorite storage device 730, adds sodium hypochlorite to MBR membrane treatment device 500 in through sodium hypochlorite storage device 730, and further carries out disinfection treatment to waste water, is provided with sodium hypochlorite at sodium hypochlorite storage device and MBR membrane treatment device and throws feeder apparatus, should throw feeder apparatus and for example can set up to control flap or throw and add pump etc..

The working principle of the system for treating the fecal sewage comprises the following steps:

the system for treating the fecal sewage further comprises a control device which collects the fecal sewage and the like through a sewage collection device 710, the sewage in the sewage collection device 710 fully crushes the solid waste through a crushing pump, the sewage is subjected to primary treatment, the sewage after the primary treatment enters a sewage primary treatment device 100, and the sewage is further subjected to filtration and crushing treatment on the solid waste in the primary treatment device under the action of a grid 101. The wastewater treated by the primary wastewater treatment device 100 enters the steam stripping device 200 in an overflow mode, the wastewater is aerated under the action of the aeration pump 120 and the aeration pipe in the steam stripping device 200 to carry out aeration steam stripping treatment on the wastewater, the wastewater treated by steam stripping enters the microbial treatment device 300, the COD value of the wastewater can be greatly reduced by the wastewater treated by the microbial treatment device 300, the treated wastewater further enters the activated carbon treatment device 400 to further carry out filtration treatment on the wastewater, the filtered wastewater enters the MBR treatment device, the treated wastewater further enters the decoloring column of the ozone treatment device to be further subjected to ozone oxidation and ultraviolet sterilization treatment, the wastewater after ozone oxidation and sterilization treatment is changed into clear water, the clear water enters the clear water storage device 700 and further enters the clear water collection device 720, can be used as further washing water.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. A system for treating fecal sewage is characterized by comprising a sewage primary treatment device, a stripping device, a microorganism treatment device, an active carbon treatment device, an MBR membrane treatment device and an ozone treatment device;

2. The system for treating fecal sewage according to claim 1,

and a grid for filtering and crushing solid wastes is arranged in the sewage primary treatment device in the sewage flowing direction.

3. The system for treating fecal sewage according to claim 1,

an aeration pipe is arranged in the stripping device and is connected with an aeration pump.

4. The system for treating fecal sewage according to claim 1,

a porous plate for bearing microorganisms is arranged in the microorganism processing device.

5. The system for treating fecal sewage according to claim 1,

and a porous partition plate for bearing the active carbon and a buffer plate are arranged in the active carbon treatment device.

6. The system for treating fecal sewage according to claim 1,

the MBR membrane treatment device is also connected with a sodium hypochlorite storage device.

7. The system for treating fecal sewage according to claim 1,

the microorganism treatment device, the MBR membrane treatment device and the ozone generator are respectively connected with the gas supply device.

8. The system for treating fecal sewage according to claim 1,

the steam stripping device, the microorganism treatment device, the active carbon treatment device, the MBR membrane treatment device, the ozone treatment device and the clear water storage device are all connected with the emergency outlet through pipelines.