CN220432571U - Grind washing waste water treatment recycling system - Google Patents

Abstract

The utility model relates to the technical field of grinding and cleaning wastewater treatment, and discloses a grinding and cleaning wastewater treatment recycling system which comprises an ozone catalytic tank, a coagulation tank and an MBR (membrane bioreactor) membrane group, wherein a wastewater inlet pipe and a wastewater outlet pipe are arranged on the surface of the coagulation tank, a liquid feeding pump is arranged at the outlet end of the wastewater outlet pipe, a first liquid inlet pipe is fixedly communicated with the outlet end of the liquid feeding pump, the outlet end of the first liquid inlet pipe extends into the ozone catalytic tank, a first liquid discharge pipe is fixedly communicated with the side wall of the ozone catalytic tank, a liquid discharge pump is arranged at the outlet end of the first liquid discharge pipe, a communicating pipe is fixedly communicated with the outlet end of the liquid distribution pump, and the outlet end of the communicating pipe is communicated with the MBR membrane group; the wastewater is subjected to coagulating sedimentation through the coagulating basin, then subjected to ozone catalysis and ultraviolet sterilization through the ozone catalytic basin, finally introduced into the MBR membrane group, and completely trapped in the reactor through the high-efficiency trapping effect of the MBR membrane group, so that the complete separation of the hydraulic retention time and the solid retention time of the reactor is realized.

Description

A grinding and cleaning wastewater treatment and reuse system

Technical field

The utility model relates to the technical field of grinding and cleaning wastewater treatment, and in particular to a grinding and cleaning wastewater treatment and reuse system.

Background technique

At present, the wastewater discharged from factory production must comply with national drainage standards. However, the discharge volume from factory workshops is uneven, and the concentration of wastewater also varies. The concentration of wastewater can easily become too high in a short period of time, making treatment more complicated. Moreover, the existing wastewater treatment device structure occupies a large area. At the same time, the products of the sewage treatment process, such as sludge and waste, are directly exposed, causing secondary pollution to the environment. These products need to be processed again in a timely manner, which is time-consuming, laborious, and costly. There are three main types of pollutants in wastewater. The first category is suspended solids SS, the second category is organic pollutants (with COD and BOD as indicators), the third category is inorganic nutrients N and P, and the fourth category is total hardness, in which the removal of SS and organic matter (BOD , COD) removal effect is poor. To this end, a grinding and cleaning wastewater treatment and reuse system is proposed.

Utility model content

The purpose of this utility model is to provide a grinding and cleaning wastewater treatment and reuse system to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a grinding and cleaning wastewater treatment and reuse system, including an ozone catalytic tank, a coagulation tank and an MBR membrane group. The surface of the coagulation tank is provided with a wastewater inlet pipe and a wastewater outlet. pipe, the outlet end of the wastewater outlet pipe is provided with a liquid pump, the outlet end of the liquid pump is fixedly connected to a first liquid inlet pipe, the outlet end of the first liquid inlet pipe extends into the ozone catalytic pool, and the side wall of the ozone catalytic pool is fixedly connected to a first liquid inlet pipe. Drainage pipe, the outlet end of the first drain pipe is equipped with a drainage pump, the outlet end of the liquid preparation pump is fixedly connected with a connecting pipe, the outlet end of the connecting pipe is connected with the MBR membrane group, an aeration pump mechanism is installed inside the ozone catalytic tank, and the ozone The upper surface of the catalytic tank is equipped with a circulating sterilization mechanism.

As a preferred solution, the aeration pump structure includes an aeration pump, an air inlet pipe, an aeration pipe and an aeration hole. The side wall of the ozone catalytic tank is fixedly connected to an aeration pump, and the inlet end of the aeration pump is fixedly connected to an air inlet pipe. The air inlet pipe is connected to the external ozone unit, and the outlet end of the aeration pump is fixedly connected to an aeration pipe.

As a preferred solution, the aeration tube extends into the ozone catalytic tank, and the aeration tube is arranged in an S shape, and the surface of the aeration tube is provided with evenly arranged aeration holes.

As a preferred solution, the circulating sterilization mechanism includes a pipelined ultraviolet sterilizer, a circulating liquid inlet pipe, a circulating pump and a circulating drain pipe. The upper surface of the ozone catalytic pool is fixedly connected with a pipelined ultraviolet sterilizer and a circulating pump. The pipelined ultraviolet sterilizer The inlet end of the UV sterilizer is provided with a circulating liquid inlet pipe, and the outlet end of the pipeline type UV sterilizer is fixedly connected with a circulating liquid drain pipe.

As a preferred solution, the circulating liquid inlet pipe extends into the ozone catalytic pool through a circulating pump, and the outlet end of the circulating liquid drain pipe extends into the ozone catalytic pool.

Technical effects and advantages of this utility model:

1. Aerate ozone through an aeration pump so that ozone can be evenly aerated through the S-shaped aeration pipes. After reacting with organic matter and other pollutants in the wastewater, it can be oxidized and decomposed into carbon dioxide. (CO2), water (H2O), harmless substances, etc., using ozone's strong oxidation, disinfection, odor removal, precipitation and other characteristics to decompose, oxidize, disinfect and sterilize organic matter in wastewater, thereby improving the quality of wastewater, and runs through a circulating pump The wastewater treatment is repeatedly passed through the pipeline ultraviolet sterilizer, and the wastewater is sterilized through the pipeline ultraviolet sterilizer. The broad spectrum of ultraviolet sterilization is the highest, and it can kill almost all bacteria and viruses with high efficiency, up to 99%. -99.9% sterilization rate, which can effectively kill Escherichia coli, dysentery, Legionella, Pseudomonas aeruginosa, influenza virus, hepatitis virus, etc., so that the water can be purified, and finally passed into the MBR membrane group, through the MBR membrane group with high efficiency The interception effect completely traps microorganisms in the reactor, achieving complete separation of the reactor's hydraulic retention time and solid retention time.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Figure 2 is a schematic structural diagram of the aeration pipe of the present utility model viewed from above.

In the picture: 1. Ozone catalytic tank; 2. Coagulation tank; 3. MBR membrane group; 4. Wastewater inlet pipe; 5. Wastewater outlet pipe; 6. Liquid delivery pump; 7. First liquid inlet pipe; 8. Exposure Air pump; 9. Air inlet pipe; 10. Aeration pipe; 11. Aeration hole; 12. Pipeline UV sterilizer; 13. Circulation liquid inlet pipe; 14. Circulation pump; 15. Circulation drain pipe; 16. Chapter A drain pipe; 17, a drain pump; 18, a connecting pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

The utility model provides a grinding and cleaning wastewater treatment and reuse system as shown in Figure 1-2, including an ozone catalytic tank 1, a coagulation tank 2 and an MBR membrane group 3. A wastewater inlet pipe 4 is provided on the surface of the coagulation tank 2 and the wastewater outlet pipe 5. The outlet end of the wastewater outlet pipe 5 is provided with a liquid delivery pump 6. The outlet end of the liquid delivery pump 6 is fixedly connected with a first liquid inlet pipe 7. The outlet end of the first liquid inlet pipe 7 extends into the ozone catalytic pool 1. , a first drain pipe 16 is fixedly connected to the side wall of the ozone catalytic tank 1, a drain pump 17 is provided at the outlet end of the first drain pipe 16, a connecting pipe 18 is fixedly connected to the outlet end of the liquid preparation pump, and the outlet end of the connecting pipe 18 is connected to The MBR membrane groups 3 are connected, an aeration pump 8 is provided inside the ozone catalytic tank 1, and a circulation sterilization mechanism is provided on the upper surface of the ozone catalytic tank 1; the wastewater first passes through the coagulation tank 2 for coagulation and sedimentation, and then passes through the ozone catalytic tank 1, Ozone catalysis and ultraviolet sterilization are performed, and finally the MBR membrane group 3 is passed through. Through the efficient interception of the MBR membrane group 3, the microorganisms are completely trapped in the reactor, achieving complete separation of the reactor's hydraulic residence time and solid residence time.

In this embodiment, the aeration pump 8 includes an aeration pump 8, an air inlet pipe 9, an aeration pipe 10 and an aeration hole 11. The aeration pump 8 is fixedly connected to the side wall of the ozone catalytic tank 1. The aeration pump 8 The inlet end is fixedly connected with an air inlet pipe 9, which is connected with the external ozone unit. The outlet end of the aeration pump 8 is fixedly connected with an aeration pipe 10. The aeration pipe 10 extends into the ozone catalytic tank 1, and the aeration pipe 10 is S-shaped arrangement, the surface of the aeration tube 10 is provided with evenly arranged aeration holes 11; the ozone is aerated through the aeration pump 8, so that the ozone can be evenly aerated out through the 10 aeration tubes arranged in an S shape. , after reacting with organic matter and other pollutants in wastewater, it can be oxidized and decomposed into carbon dioxide (CO2), water (H2O), harmless substances, etc., using ozone's strong oxidation, disinfection, odor removal, precipitation and other characteristics , decompose, oxidize, and disinfect organic matter in wastewater, thereby improving the quality of wastewater.

In this embodiment, the circulating sterilization mechanism includes a pipelined ultraviolet sterilizer 12, a circulating liquid inlet pipe 13, a circulating pump 14 and a circulating liquid drain pipe 15. The upper surface of the ozone catalytic tank 1 is fixedly connected with the pipelined ultraviolet sterilizer 12 and Circulation pump 14, the inlet end of the pipeline type UV sterilizer 12 is provided with a circulation liquid inlet pipe 13, the outlet end of the pipeline type UV sterilizer 12 is fixedly connected with a circulation drain pipe 15, the circulation liquid inlet pipe 13 extends to the ozone catalysis through the circulation pump 14 In the pool 1, the outlet end of the circulating drain pipe 15 extends into the ozone catalytic pool 1; through the operation of the circulating pump 14, the wastewater treatment repeatedly passes through the pipeline ultraviolet sterilizer 12, and the wastewater is sterilized through the pipeline ultraviolet sterilizer 12. Ultraviolet sterilization It has the highest broad spectrum and can kill almost all bacteria and viruses with high efficiency, reaching a sterilization rate of 99%-99.9%. It can effectively kill Escherichia coli, dysentery, Legionella, Pseudomonas aeruginosa, Influenza virus, hepatitis virus, etc., allowing water to be purified.

Practical working principle: This utility model is a grinding and cleaning wastewater treatment and reuse system. The ozone is aerated through the aeration pump 8, so that the ozone can be evenly aerated out through 10 aeration pipes arranged in an S shape. After reacting with organic matter and other pollutants in wastewater, it can be oxidized and decomposed into carbon dioxide (CO2), water (H2O), harmless substances, etc., using ozone's strong oxidation, disinfection, odor removal, precipitation and other characteristics, The organic matter in the wastewater is decomposed, oxidized, disinfected and sterilized, thereby improving the quality of the wastewater. The circulation pump 14 is operated so that the wastewater treatment repeatedly passes through the pipeline ultraviolet sterilizer 12, and the wastewater is sterilized through the pipeline ultraviolet sterilizer 12. The broad spectrum of ultraviolet sterilization It has the highest efficiency and can kill almost all bacteria and viruses with high efficiency, reaching a sterilization rate of 99%-99.9%. It can effectively kill E. coli, dysentery, Legionella, Pseudomonas aeruginosa, and influenza. Viruses, hepatitis viruses, etc., purify the water, and finally pass into the MBR membrane group 3. Through the efficient interception of the MBR membrane group 3, the microorganisms are completely trapped in the reactor, achieving complete separation of the reactor's hydraulic retention time and solid retention time. .

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent substitutions on some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model, All should be included in the protection scope of this utility model.

Claims (5)

1. A grinding and cleaning wastewater treatment and reuse system, including an ozone catalytic tank (1), a coagulation tank (2) and an MBR membrane group (3), characterized in that: wastewater is provided on the surface of the coagulation tank (2) There is an inlet pipe (4) and a wastewater outlet pipe (5). The outlet end of the wastewater outlet pipe (5) is provided with a liquid delivery pump (6), and the outlet end of the liquid delivery pump (6) is fixedly connected with a first liquid inlet pipe (7). The outlet end of the first liquid inlet pipe (7) extends into the ozone catalytic tank (1). The side wall of the ozone catalytic tank (1) is fixedly connected with a first liquid discharge pipe (16). The outlet end of the first liquid pipe (16) A drainage pump (17) is provided, and the outlet end of the liquid preparation pump is fixedly connected to a connecting pipe (18). The outlet end of the connecting pipe (18) is connected to the MBR membrane group (3), and an aerator is provided inside the ozone catalytic tank (1). The pump (8) structure is provided with a circulating sterilization mechanism on the upper surface of the ozone catalytic pool (1). 2. A grinding and cleaning wastewater treatment and reuse system according to claim 1, characterized in that: the aeration pump (8) structure includes an aeration pump (8), an air inlet pipe (9), and an aeration pipe (10). ) and aeration holes (11), an aeration pump (8) is fixedly connected to the side wall of the ozone catalytic tank (1), and an air inlet pipe (9) is fixedly connected to the inlet end of the aeration pump (8). The air inlet pipe (9) ) is connected to the external ozone unit, and the outlet end of the aeration pump (8) is fixedly connected to an aeration pipe (10). 3. A grinding and cleaning wastewater treatment and reuse system according to claim 2, characterized in that: the aeration pipe (10) extends into the ozone catalytic tank (1), and the aeration pipe (10) is S The aeration tube (10) is provided with evenly arranged aeration holes (11) on its surface. 4. A grinding and cleaning wastewater treatment and reuse system according to claim 1, characterized in that: the circulating sterilization mechanism includes a pipeline type ultraviolet sterilizer (12), a circulating liquid inlet pipe (13), and a circulating pump (14) and a circulating drain pipe (15). A pipelined ultraviolet sterilizer (12) and a circulation pump (14) are fixedly connected to the upper surface of the ozone catalytic pool (1). The inlet end of the pipelined ultraviolet sterilizer (12) is provided with a circulation pump. The liquid inlet pipe (13) and the outlet end of the pipeline type ultraviolet sterilizer (12) are fixedly connected with a circulating liquid drain pipe (15). 5. A grinding and cleaning wastewater treatment and reuse system according to claim 4, characterized in that: the circulating liquid inlet pipe (13) extends into the ozone catalytic pool (1) through a circulating pump (14), and the circulating discharge pipe The outlet end of the liquid pipe (15) extends into the ozone catalytic tank (1).