CN209685518U - Multifunctional integral sewage processor - Google Patents

Abstract

The utility model discloses a kind of Multifunctional integral sewage processors, the apparatus for treating sewage has used for reference opel oxidation ditch, vertical sedimentation tank and the design feature of biochemical treatment, combine the process characteristic of flocculation, hydrolysis, membrane bioreactor and filtering, it is designed as round pillar integrated steel body structure, inside sets inner cylinder, middle cylinder and outer cylinder.Be seven areas according to its processing technological flow and function division: flocculation sedimentation area, hydrolysis acidification area, oily foam remove area, anoxic zone, biomembrane reaction area, adsorption filtration area and clear water zone, realize the unattended operation being effectively treated and PLC is automatically controlled to different industries, different type sewage, it can also be divided into automatic running according to investment amount and intelligent control is run, it is 250 ton/days that all-in-one processor, which handles largest sewage,.

Description

Multifunctional integrated sewage processor

technical field

The utility model belongs to the technical field of sewage treatment equipment, and in particular relates to a multifunctional integrated sewage processor, which can be applied to the comprehensive treatment of various industrial sewage such as urban sewage, rural environment continuous sewage, and small and medium-sized hospital sewage.

Background technique

Building an ecological civilization, optimizing the water resource environment, saving water resources and reducing the discharge of sewage pollutants is an important decision of the country. Large and medium-sized industrial enterprises and cities above the county level have built relatively complete sewage treatment facilities, but towns, rural areas, and some small industrial enterprises have not built sewage treatment facilities due to various factors. Even if some places and units have built sewage treatment facilities, due to the large number of treatment facilities and structures, the operation is inconvenient, coupled with the inertia of personnel management, the facilities cannot operate normally, resulting in waste of material and financial resources.

In the context of this environmental protection technology, in view of the problems of many process units, equipment, structures and troublesome operation in the current sewage treatment facilities, it is intended to optimize and integrate various processes suitable for the above sewage treatment, The multi-functional integrated sewage treatment equipment is designed to achieve the purpose of stable and reliable treatment, economical and effective investment, energy saving and consumption reduction, and simple operation under the premise of achieving sewage treatment and discharge standards, forming a multi-functional integration with PLC automatic control and unattended operation Chemical sewage treatment machine.

Contents of the invention

The technical problem solved by the utility model is to provide a multifunctional integrated sewage processor with simple structure and reasonable design. The process characteristics of flocculation, hydrolysis, membrane bioreactor and filtration are designed as a circular column-type integrated steel structure with inner cylinder, middle cylinder and outer cylinder. According to its treatment process and function, it is divided into seven areas: flocculation sedimentation area, hydrolysis acidification area, oil foam removal area, anoxic area, biofilm reaction area, adsorption filtration area and clear water area, which realizes different industries and different types The effective treatment of sewage and the unattended operation of PLC automatic control can also be divided into automatic operation and intelligent control operation according to the investment amount. The maximum sewage treatment scale of a single processor is 250 tons/day.

In order to solve the above technical problems, the utility model adopts the following technical scheme. The multifunctional integrated sewage processor is characterized in that it includes a circular column type integrated steel body structure, and is equipped with an inner cylinder, a middle cylinder and an outer cylinder, wherein the inner cylinder is composed of The grille is divided into a hydrolytic acidification area and a flocculation sedimentation area distributed up and down. The upper part of the flocculation sedimentation area is provided with a vertical guide tube connected to the water inlet pipe, and the lower part of the guide tube is provided with a conical guide plate. There is a mud outlet on the side wall of the cylinder, and the hydrolysis and acidification area is filled with fillers. The filler is attached with hydrolysis and acidification bacteria to improve the biodegradability of the sewage. The sewage overflowing through the hydrolysis and acidification area enters the anoxic area of the middle cylinder for In the process of denitrification to remove nitrate nitrogen and some organic matter in the sewage, an oil foam removal area is set above the hydrolysis acidification area and the anoxic area, which is used to collect the oil and foam remaining on the surface through the oil foam tank and pass through the oil foam outlet cycle The sewage that passes through the anoxic zone of the middle cylinder flows sequentially through the aeration zone, biofilm reaction zone, adsorption filtration zone and clean water zone in the outer cylinder. The aeration zone is equipped with an aerator connected to the air inlet of the filter material. , the side wall of the outer cylinder at the bottom of the aeration area is provided with a mud discharge port, the biofilm reaction area is distributed with biological fillers, the adsorption filtration area is distributed with filter materials, and the top of the outer cylinder is provided with a water outlet, which passes through the overflow baffle. The water plate is connected with the clear water area, and the inside of the water outlet tank is divided into a slag discharge area and a water outlet area by an overflow partition.

Further preferably, the bottom of the inner cylinder is an inverted cone structure, and the mud outlet is arranged on the side wall of the inner cylinder where the sludge collects in the middle of the inverted cone.

The treatment process of the multifunctional integrated sewage processor described in the utility model is characterized in that the specific steps are as follows: first, the sewage enters the diversion cylinder through the water inlet pipe, and the sewage is evenly distributed in the inner cylinder through the deflector plate, and the sewage is distributed in the flocculation and sedimentation area. Precipitation removes pollutants, and the precipitated sludge is discharged from the sludge outlet. After passing through the flocculation and sedimentation area, the sewage rises to the hydrolysis and acidification area. Suspended matter, and play a buffering role in the sedimentation flocculation area and biochemical treatment area, the overflow of sewage from the hydrolysis and acidification area enters the anoxic area of the middle tube, and is used for denitrification to remove nitrate nitrogen and some organic matter in the sewage, further improving For the biodegradability of sewage, there is an oil foam removal area on the upper part of the hydrolytic acidification area and the anoxic area, which is used to collect the oil and foam remaining on the surface through the oil foam tank and discharge it periodically and regularly through the oil foam outlet. The sewage in the oxygen zone flows sequentially through the aeration zone, biofilm reaction zone, adsorption filter zone and clean water zone in the outer cylinder and enters the effluent tank through the overflow barrier, and in the biofilm reaction zone, the biofilm grows on the filler. The combination of aerobic oxidation and anoxic denitrification removes the pollutants in the sewage, and the suspended solids are filtered through the filter material to meet the requirements of the effluent standard. The sediment in the effluent tank is discharged from the slag discharge port, and the clear water in the effluent tank is discharged from the water outlet.

Compared with the prior art, the utility model has the following advantages:

1. The integrated cylindrical rigid structure of the whole machine is beautiful and tidy, which eliminates the messy phenomenon of the sewage treatment site;

2. The treatment process of the whole machine is perfect, covering almost all conventional sewage treatment processes, so it can treat sewage from urban, rural, different industries and different types of industrial enterprises;

3. The operation of the whole machine is automatically controlled by PLC, which is easy to operate and does not require manual supervision;

4. The whole machine occupies a small area, has a strong ability to remove pollutants, and operates stably and reliably;

5. The investment of the whole machine is relatively small, the energy consumption is relatively small, and the operating cost is relatively low.

Description of drawings

Fig. 1 is a schematic structural view of the multifunctional integrated sewage processor of the present invention;

Fig. 2 is a sewage treatment flow diagram of the multifunctional integrated sewage processor of the present invention.

In the figure: 1-flocculation sedimentation area, 2-hydrolysis acidification area, 3-oil foam removal area, 4-anoxic area, 5-biofilm reaction area, 6-adsorption filtration area, 7-clear water area, 8-inlet pipe , 9- deflector cylinder, 10- deflector, 11- mud outlet, 12- filler, 13- oil foam tank, 14- oil foam outlet, 15- aerator, 16- biological filler, 17- filter material Air inlet, 18-mud discharge port, 19-filter material, 20-overflow baffle, 21-water outlet, 22-water outlet, 23-slag discharge port.

Detailed ways

The technical scheme of the utility model is described in detail in conjunction with the accompanying drawings. As shown in Figure 1, the multi-functional integrated sewage processor includes a circular column-type integrated steel body structure, and an inner cylinder, a middle cylinder and an outer cylinder are arranged inside, wherein the inner cylinder The cylinder is divided into a hydrolytic acidification zone 2 and a flocculation sedimentation zone 1 distributed up and down by a grid. The upper part of the flocculation sedimentation zone 1 is provided with a vertical guide tube 9 connected to the water inlet pipe 8, and the lower part of the guide tube 9 is provided with a conical guide tube. A plate 10, a mud outlet 11 is provided on the side wall of the inner cylinder at the lower part of the flocculation and sedimentation zone 1, and a filler 12 is filled in the hydrolysis and acidification zone 2, and the filler 12 is attached with hydrolysis and acidification bacteria to improve the biodegradability of sewage. The overflow of the sewage in the acidification zone 2 enters the anoxic zone 4 of the middle cylinder, which is used for denitrification to remove nitrate nitrogen and some organic matter in the sewage. The upper part of the hydrolytic acidification zone 2 and the anoxic zone 4 is provided with an oil foam removal zone 3, which is used to The oil and foam remaining on the surface are collected through the oil foam tank 13 and discharged periodically and regularly through the oil foam outlet 14, and the sewage passing through the anoxic zone 4 of the middle cylinder flows through the aeration zone and the biofilm reaction zone 5 in the outer cylinder in sequence , Adsorption filter area 6 and clear water area 7, aeration area is provided with the aerator 15 that links to each other with filter material air inlet 17, and the outer cylinder side wall at the bottom of the aeration area is provided with mud outlet 18, biofilm reaction area 5 Biological fillers 16 are distributed, filter material 19 is distributed in the adsorption filter area 6, and a water outlet tank 21 is provided on the top of the outer cylinder. The flow partition is divided into a slag discharge area and a water outlet area. A slag outlet 23 is provided at the bottom of the water outlet tank 21 in the slag discharge area, and a water outlet 22 is provided at the bottom of the water outlet tank 21 in the water outlet area.

1. Treatment process of multi-functional integrated sewage processor:

As shown in Figure 2, firstly, the sewage enters the diversion cylinder through the water inlet pipe, and the sewage is evenly distributed in the inner cylinder through the deflector plate, and the pollutants are precipitated and removed in the flocculation and sedimentation area, and the precipitated sludge is discharged from the mud outlet, and the sewage is flocculated and settled Then it rises to the hydrolysis and acidification zone. In the hydrolysis and acidification zone, the hydrolysis and acidification bacteria attached to the filler can improve the biodegradability of sewage, and at the same time retain the residual suspended matter, and play a buffer role in the sedimentation and flocculation zone and the biochemical treatment zone. The overflow of the sewage from the hydrolytic acidification area enters the anoxic area of the middle tube, which is used for denitrification to remove nitrate nitrogen and some organic matter in the sewage, and further improves the biodegradability of the sewage. The upper part of the hydrolytic acidification area and the anoxic area is equipped with The foam removal area is used to collect the residual oil and foam on the surface through the oil foam tank and discharge it periodically and regularly through the oil foam outlet. The sewage passing through the anoxic area of the middle cylinder flows through the aeration area in the outer cylinder and the biofilm reaction in turn. The area, adsorption filter area and clean water area enter the effluent tank through the overflow barrier. In the biofilm reaction area, the aerobic oxidation and anoxic denitrification of the biofilm attached to the filler are used to remove the pollutants in the sewage. Suspended solids are intercepted by material filtration to meet the requirements of the water outlet standard, the sediment in the water outlet is discharged from the slag discharge port, and the clear water in the water outlet is discharged from the water outlet.

For general urban and rural sewage:

The treatment process is: sedimentation and flocculation area, hydrolysis and acidification area, oil foam removal area, anoxic area, biofilm reaction area, adsorption and filtration area and clear water area;

For various industrial wastewater with moderate concentration of pollutants:

The treatment process is: flocculation sedimentation area, hydrolysis acidification area, oil foam removal area, anoxic area, biofilm reaction area, adsorption filtration area and clear water area;

For various industrial wastewater with moderate concentration of pollutants:

The treatment process is: flocculation sedimentation area, hydrolysis acidification area, oil foam removal area, anoxic area, biofilm reaction area, adsorption filtration area and clear water area.

2. Structural design

The appearance of the machine is a circular integrated design, and the interior is divided into an inner cylinder, a middle cylinder and an outer cylinder.

The outside is provided with water inlet, water outlet, mud discharge port, air inlet, manhole and observation hole.

3. The process design of the specific implementation

Flocculation and sedimentation zone 1:

The flocculation and sedimentation zone is composed of water inlet pipe 8, guide tube 9, guide plate 10 and inner tube.

Function: Remove suspended matter, insoluble COD, dissolved inorganic matter and colloidal matter in sewage by sedimentation.

Sedimentation area design: The guide tube 9 and the guide plate 10 are calculated and designed according to the amount of treated water, according to the "Water Supply and Drainage Design Manual" and "Wastewater Treatment Process Design and Calculation". The diameter of the cylinder and various parameters meet the requirements of the "GB50014-2016" standard .

For general domestic sewage, the sewage is pumped into the guide tube 9 through the water inlet pipe 8, and evenly distributed in the flocculation and sedimentation area 1 through the guide plate 10. This area can remove silt and larger solids through natural sedimentation, and discharge them through the mud outlet 11.

For industrial sewage with moderate concentration, the sewage with flocculant added (automatic dosing) is pumped into the guide tube 9 through the water inlet pipe 8 by the pump, and evenly distributed in the flocculation and sedimentation area 1 through the guide plate 10. Suspended substances, insoluble COD, dissolved inorganic substances and colloidal substances in the sewage are removed through sedimentation, and are discharged from the mud outlet 11.

For industrial sewage with high concentration and difficult treatment, the sewage with oxidant added (automatic dosing) is pumped into the guide tube 9 through the water inlet pipe 8 by the pump, and evenly distributed in the flocculation and sedimentation area 1 through the guide plate 10. After the sewage is oxidized, it can decompose the macromolecular organic matter to improve the biochemical performance of the sewage. The flocs are precipitated to remove the suspended matter, insoluble COD, dissolved inorganic matter and colloidal substances in the sewage, and are discharged from the mud outlet 11. The sedimentation time is 2 hours , the surface load is 1.5m ³ /m ² ·h.

Hydrolytic acidification zone 2:

The hydrolytic acidification zone is composed of filler 12 and its contents.

Function: Improve the biodegradability of sewage and remove residual suspended matter in sewage.

Hydrolytic acidification area: designed according to the "Technical Specifications for Hydrolytic Acidification Reactor Sewage Treatment Engineering" (HJ2047-2015) and met the requirements.

The filler chooses a combination filler with a large surface area, which has the characteristics of soft and semi-soft structure. The tow is evenly dispersed in the sewage, easy to hang and release the film, and has good adaptability to the change of sewage concentration. The residence time of the hydrolysis and acidification zone more than 2h.

Grease removal zone 3:

This area is a unique design of the equipment, which can effectively remove the residual grease and foam on the surface of the sewage after the pre-treatment. The foam outlet 14 is discharged.

Hypoxic zone 4:

Function: denitrification removes nitrate nitrogen and removes part of BOD at the same time. Further improve the biodegradability of sewage.

Design of anoxic zone: designed in accordance with "Technical Specifications for Anaerobic, Anoxic and Aerobic Activated Sludge Process Sewage Treatment Engineering" (HJ576-2010) and met the requirements.

Biofilm reaction zone 5 and adsorption filtration zone 6:

Function: Rely on the biochemical action of aerobic oxidation and anoxic denitrification of the biofilm attached to the filter material (filler) to jointly remove pollutants in sewage, and filter and intercept suspended substances to meet the requirements of effluent standards.

This zone is composed of aerator 15, biological filler 16, filter material air inlet 17, mud discharge port 18, filter material 19 and outer cylinder.

Design of biofilm membrane reaction zone: designed according to "Technical Specifications for Internal Circulation Aerobic Biological Fluidized Bed Sewage Treatment Engineering" (HJ2021-2012), "Technical Specifications for Biofilter Method Sewage Treatment Engineering" (HJ2014-2012), and various parameters It complies with the standard requirements of "Technical Specifications for Outdoor Drainage" (GB50014-2016), the volume load of biological filler is 2kgBOD/m ^3. h, the height of the filler is 3 meters, and the residence time is 3.5h.

The filter material chooses a homogeneous material with large specific surface area, strong adsorption, high porosity, appropriate density, light weight and sufficient mechanical strength. The material of the supporting layer filter material has good mechanical strength and chemical stability. Determine the height and particle size of the filler layer according to the water quality of the sewage. It complies with the requirements of the "Technical Specifications for Outdoor Drainage" (GB50014-2016), and the surface load of the filter material is 0.8m ³ /m ^2. h.

Qingshui District 7:

Function: Store the treated sewage and further clarify it, and play a role of buffering and connecting for discharge.

The clean water area is composed of a water outlet baffle groove 20, a water outlet groove 21, a water outlet 22, a slag discharge outlet 23 and an outer cylinder.

Design of clear water area: designed in accordance with "Technical Specifications for Internal Circulation Aerobic Biological Fluidized Bed Sewage Treatment Engineering" (HJ2021-2012), "Technical Specifications for Biological Filter Method Sewage Treatment Engineering" (HJ2014-2012), and the parameters conform to "Outdoor Drainage Technology "Specification" (GB50014-2016) standard requirements.

The basic principles, main features and advantages of the present utility model have been shown and described above. On the premise of not departing from the spirit and scope of the present utility model, the present utility model also has various changes and improvements, and these changes and improvements all fall into the claims. The scope of the utility model.

Claims (2)

1. The multi-functional integrated sewage processor is characterized in that it includes a circular column-type integrated steel body structure, with an inner cylinder, a middle cylinder and an outer cylinder inside, wherein the inner cylinder is divided into a hydrolytic acidification zone distributed up and down by a grille and a Flocculation and sedimentation area, the upper part of the flocculation and sedimentation area is provided with a vertical guide tube connected to the water inlet pipe, the lower part of the guide tube is provided with a conical deflector, and the lower part of the flocculation sedimentation area is provided with a mud outlet on the side wall of the inner cylinder. The acidification area is filled with fillers, and the fillers are attached with hydrolytic acidification bacteria to improve the biodegradability of sewage. The overflow of sewage from the hydrolytic acidification area enters the anoxic area of the middle tube, and is used for denitrification to remove nitrate nitrogen and Part of the organic matter, the upper part of the hydrolysis acidification zone and the anoxic zone is equipped with an oil foam removal area, which is used to collect the oil and foam remaining on the surface through the oil foam tank and periodically discharge it through the oil foam outlet, and pass through the anoxic area of the middle cylinder. Sewage flows through the aeration zone, biofilm reaction zone, adsorption filter zone and clean water zone in the outer cylinder in turn. The aeration zone is equipped with an aerator connected to the air inlet of the filter material. There is a mud discharge port, biological fillers are distributed in the biofilm reaction area, filter materials are distributed in the adsorption filtration area, and a water outlet is provided on the top of the outer cylinder. It is divided into a slag discharge area and a water outlet area by an overflow partition. A slag discharge port is provided at the bottom of the water outlet in the slag discharge area, and a water outlet is provided at the bottom of the water outlet tank in the water outlet area. 2. The multifunctional integrated sewage processor according to claim 1, characterized in that: the bottom of the inner cylinder is an inverted cone structure, and the mud outlet is arranged on the inner cylinder side of the sludge collection part in the middle of the inverted cone on the wall.