CN111439896A - A sewage treatment device and method thereof - Google Patents

Abstract

The invention discloses a sewage treatment device, belonging to the technical field of sewage treatment, comprising a sedimentation tank, a filter box, an anaerobic tank, an aerobic tank and a water purification tank. The water outlet is connected to the anaerobic tank, the anaerobic tank is connected to the aerobic tank, and the aerobic tank is connected to the clean water tank; a water pump is connected between the sedimentation tank and the filter box, and the water pipe at the inlet end of the water pump extends into the In the upper part of the sedimentation tank, the present invention also adopts multiple filtration methods to improve the treatment effect, the steps are simple and easy to operate, and the cost is reduced, and the motor drives the rotating shaft to rotate to drive the scraper and the brush to clean the sediment deposited on the bottom of the tank. The box is kept clean, and it is convenient and quick to clean the deposited dirt. On the other hand, the motor drives the rotating shaft to rotate, thereby driving the stirring plate to stir the sewage and the flocculant to speed up the reaction, speed up the reaction rate, and improve the efficiency of sewage treatment and purification.

Description

A sewage treatment device and method thereof

technical field

The invention belongs to the technical field of sewage treatment, and in particular relates to a sewage treatment device and a method thereof.

Background technique

During the processing of glutinous rice flour, sewage will be generated. If these sewage is not treated, it will be directly discharged into the river, which will pollute the environment. The traditional industrial sewage treatment is expensive and complicated.

SUMMARY OF THE INVENTION

The invention provides a sewage treatment device and a method thereof, which have the characteristics of good sewage treatment effect and cost reduction.

In order to achieve the above purpose, the present invention provides the following technical solutions: a sewage treatment device, comprising a sedimentation tank, a filter tank, an anaerobic tank, an aerobic tank and a water purification tank, the sedimentation tank is communicated with the water inlet of the filter tank, and the The water outlet of the filter box is communicated with the anaerobic pool, the anaerobic pool is communicated with the aerobic pool, and the aerobic pool is communicated with the purification pool.

A water pump is connected between the sedimentation tank and the filter box, the water pipe of the inlet end of the water pump extends into the upper part of the sedimentation tank, and the water pipe of the outlet end of the water pump is connected to the water inlet of the filter box.

Preferably, the bottom of the filter box is set in a cone shape, the left side wall of the filter box is provided with a water inlet pipe, the water inlet pipe is connected with the water pipe at the outlet end of the water pump, and the right side wall of the filter box is provided with a flocculation pipe The agent inlet, the inner center of the filter box is provided with a rotating shaft, the lower end of the rotating shaft is provided with a scraper, the scraper is arranged in a "V" shape, and the lower end surface of the scraper is provided with a brush, The upper end of the rotating shaft penetrates the filter box and is connected with the motor output end, the bottom end of the right side wall of the filter box is provided with a water outlet pipe, the bottom of the filter box is provided with an outlet pipe, and the water outlet pipe extends into the anaerobic In the tank, the lower end of the filter box is provided with feet.

Preferably, a fixing frame is arranged outside the motor, a fixing plate is arranged at the lower end of the fixing frame, an electric push rod is arranged at the lower end of the fixing plate, and the lower end of the electric push rod is fixed on the top surface of the filter box, The surface of the rotating shaft is provided with a stirring plate.

Preferably, a limit ring plate is arranged inside the filter box, and an adsorption net cylinder is arranged in the limit ring plate.

Preferably, a sludge pump is connected to the lower port of the outlet pipe.

A sewage treatment method, which specifically includes the following steps:

Step 1, collecting sewage into a sedimentation tank for preliminary filtration;

Step 2, the sewage after preliminary filtration is subjected to secondary filtration treatment through a filter box;

In step 3, the sewage treated in step 2 is passed through an anaerobic tank, and is hydrolyzed and differentiated by anaerobic bacteria to degrade macromolecular organic matter into small molecular substances, so as to further purify the sewage.

In step 4, the sewage treated in step 3 is passed through the aerobic pond, and the organic matter is degraded into inorganic matter by aerobic bacteria to realize the purification of the sewage, and the purified water is introduced into the water purification pond.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention also adopts the method of multiple filtration to improve the treatment effect, the steps are simple and easy to operate, the cost is reduced, and it is suitable for promotion.

2. The present invention performs secondary filtration through the filter box, and the motor drives the rotating shaft to rotate to drive the scraper and the brush to clean the deposited dirt deposited at the bottom of the box, so that the box is kept clean, and the cleaning of the deposited dirt is convenient and quick. On the other hand, the motor drives the rotating shaft to rotate, thereby driving the stirring plate to stir to accelerate the reaction between the sewage and the flocculant, speeding up the reaction rate, thereby improving the efficiency of sewage treatment and purification.

Description of drawings

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

Figure 2 is a schematic structural diagram of the filter box of the present invention.

3 is a schematic cross-sectional view of an adsorption mesh cylinder of the present invention.

In the figure: 1, sedimentation tank; 2, water pump; 3, filter box; 31, brush; 32, scraper; 33, adsorption net cylinder; 34, limit ring plate; 35, water inlet pipe; 36, fixed plate; 37, electric motor; 38, fixing frame; 39, rotating shaft; 310, electric push rod; 311, flocculant inlet; 312, stirring plate; 313, water outlet pipe; 314, foot; 315, outlet pipe; 316, sludge pump 4. Anaerobic pool; 5. Aerobic pool; 6. Purifying pool.

Detailed ways

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

1-3, the present invention provides the following technical solutions: a sewage treatment device, comprising a sedimentation tank 1, a filter box 3, an anaerobic tank 4, an aerobic tank 5 and a water purification tank 6, and the sedimentation tank 1 communicates with the filter tank The water inlet of 3, the water outlet of the filter box 3 is connected to the anaerobic tank 4, the anaerobic tank 4 is connected to the aerobic tank 5, and the aerobic tank 5 is connected to the clean water tank 6; , the water pipe of the inlet end of the water pump 2 extends into the upper part of the sedimentation tank 1, and the water pipe of the outlet end of the water pump 2 is connected to the water inlet of the filter box 3.

In this embodiment, the bottom of the filter box 3 is set in a conical shape, the left side wall of the filter box 3 is provided with a water inlet pipe 35, the water inlet pipe 35 is connected with the water pipe at the outlet end of the water pump 2, and the right side wall of the filter box 3 is provided with a flocculation pipe 35. The agent inlet 311, the inner center of the filter box 3 is provided with a rotating shaft 39, the lower end of the rotating shaft 39 is provided with a scraper 32, the scraper 32 is arranged in a "V" shape, and the lower end surface of the scraper 32 is provided with a brush 31, The upper end of the rotating shaft 39 penetrates the filter box 3 and is connected with the output end of the motor 37. The bottom end of the right side wall of the filter box 3 is provided with a water outlet pipe 313, and the bottom of the filter box 3 is provided with an outlet pipe 315, and the water outlet pipe 313 extends into the anaerobic In the pool 4, the lower end of the filter box 3 is provided with a foot 314, and the lower port of the outlet pipe 315 is connected with a sludge pump 316, which is convenient for absorbing the water with precipitated dirt during later cleaning; in order to improve its purification effect, the filter box 3 A limit ring plate 34 is arranged inside the limit ring plate 34, and an adsorption net cylinder 33 is arranged in the limit ring plate 34, so that the impurities in the sewage are absorbed.

Further, the outside of the motor 37 is provided with a fixing frame 38, the lower end of the fixing frame 38 is provided with a fixing plate 36, the lower end of the fixing plate 36 is provided with an electric push rod 310, and the lower end of the electric push rod 310 is fixed on the top surface of the filter box 3, The surface of the rotating shaft 39 is provided with a stirring plate 312; the fixed plate 36 is moved up and down by the electric push rod 310, thereby controlling the lifting and lowering of the motor 37 and the rotating shaft 39, so that the rotating shaft 39 can drive the stirring plate 312 to stir, and can drive the scraper 32 And the brush 31 cleans the deposited dirt accumulated at the bottom of the filter box 3 to make it clean.

When the filter box 3 is in use, the sewage enters the filter box 3 from the water inlet pipe 35, and the flocculant is input from the flocculant inlet 311. The flocculant can be selected from aluminum sulfate or aluminum chloride. At this time, the rotating shaft 39 does not descend, and the motor 37 is started. , the motor 37 drives the rotating shaft 39 to rotate, and the rotating shaft 39 drives the stirring plate 312 to stir to make the sewage react with the flocculant to speed up the reaction rate, and then turn off the motor 37 after stirring. The impurities are condensed into large particles and deposited at the bottom of the filter box 3, and then the sewage is further filtered through the adsorption net cylinder 33, which can effectively ensure the treatment and filtering effect of the sewage; Then, the fixed plate 36 is driven to descend by the electric push rod 310, thereby controlling the descending of the rotating shaft 39, and turning on the motor 37, so that the rotating shaft 39 rotates to drive the scraper 32 and the brush 31 to clean the deposited dirt deposited at the bottom of the filter box 3. , make it clean, ensure the filtering effect, open the outlet pipe 316, and make the sludge pump 315 suck and discharge it.

A sewage treatment method, which specifically includes the following steps:

Step 1, collecting sewage into sedimentation tank 1 for preliminary filtration;

Step 2, the sewage after preliminary filtration is subjected to secondary filtration treatment through filter box 3;

In step 3, the sewage treated in step 2 passes through the anaerobic tank 4, and is hydrolyzed and differentiated by anaerobic bacteria, and the macromolecular organic matter is degraded into small molecular substances, so that the sewage is further purified.

In step 4, the sewage treated in step 3 is passed through the aerobic tank 5, and the organic substances are degraded into inorganic substances by aerobic bacteria to realize the purification of sewage, and the purified water is introduced into the purification tank 6.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A sewage treatment plant, comprising a sedimentation tank (1), a filter box (3), an anaerobic tank (4), an aerobic tank (5) and a water purification tank (6), characterized in that: the sedimentation tank (1) The water inlet of the filter box (3) is communicated, the water outlet of the filter box (3) is communicated with the anaerobic pool (4), and the anaerobic pool (4) is communicated with the aerobic pool (5). The oxygen pool (5) is communicated with the clean water pool (6). 2. A sewage treatment device and method thereof according to claim 1, characterized in that: a water pump (2) is connected between the sedimentation tank (1) and the filter box (3), and the water pump (2) The water pipe at the inlet end of the pump extends into the upper part of the sedimentation tank (1), and the water pipe at the outlet end of the water pump (2) is connected to the water inlet of the filter box (3). 3. A sewage treatment device and method thereof according to claim 2, characterized in that: the bottom of the filter box (3) is provided with a conical shape, and the left side wall of the filter box (3) is provided with an inlet A water pipe (35), the water inlet pipe (35) communicates with the water pipe at the outlet end of the water pump (2), the right side wall of the filter box (3) is provided with a flocculant inlet (311), and the filter box (3) A rotary shaft (39) is provided at the inner center of the rotary shaft (39), and a scraper (32) is provided at the lower end of the rotary shaft (39), and the scraper (32) is arranged in a "V" shape, and the scraper (32) A brush (31) is arranged on the lower end surface of the filter box (31), the upper end of the rotating shaft (39) penetrates the filter box (3) and is connected with the output end of the motor (37), and the bottom end of the right side wall of the filter box (3) is provided with There is a water outlet pipe (313), the water outlet pipe (313) extends into the anaerobic tank (4), the bottom of the filter box (3) is provided with an outlet pipe (315), and the lower end of the filter box (3) is provided with an outlet pipe (315). Feet (314) are provided. 4. A sewage treatment device and method thereof according to claim 3, characterized in that: a fixing frame (38) is arranged outside the motor (37), and a fixing frame (38) is arranged at the lower end of the fixing frame (38). A plate (36), the lower end of the fixed plate (36) is provided with an electric push rod (310), the lower end of the electric push rod (310) is fixed on the top surface of the filter box (3), the rotating shaft (39) A stirring plate (312) is provided on the surface of the . 5. A sewage treatment device and method thereof according to claim 3, characterized in that: a limit ring plate (34) is arranged inside the filter box (3), and a limit ring plate (34) is arranged inside the filter box (3). An adsorption mesh cylinder (33) is provided. 6. A sewage treatment device and method thereof according to claim 3, wherein a sludge pump (316) is connected to the lower port of the outlet pipe (315). 7. A sewage treatment method, using a sewage treatment device according to claims 1 to 6, specifically comprising the following steps: Step 1, collecting sewage into sedimentation tank 1 for preliminary filtration; Step 2, the sewage after preliminary filtration is subjected to secondary filtration treatment through filter box 3; In step 3, the sewage treated in step 2 passes through the anaerobic tank 4, and is hydrolyzed and differentiated by anaerobic bacteria, and the macromolecular organic matter is degraded into small molecular substances, so that the sewage is further purified. In step 4, the sewage treated in step 3 is passed through the aerobic tank 5, and the organic matter is degraded into inorganic substances by aerobic bacteria to realize the purification of the sewage, and the purified water is introduced into the water purification tank 6.

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