CN217996925U - Integrated sewage treatment device - Google Patents

Abstract

The application discloses an integrated sewage treatment device, including: a treatment tank, the treatment tank is provided with a water inlet, the water inlet is connected to a sedimentation tank, the sedimentation tank is connected to a liquid inlet pipe, the liquid inlet pipe is connected to a flocculant tank, and the sedimentation tank The bottom is connected with a water outlet pipe, and the bottom of the water outlet pipe is provided with a first-level filter plate. The first-level filter plate is connected with a first-level mud outlet. The bottom of the first-level filter plate is connected with a first-level water guide plate. There is a secondary filter plate under the primary filter plate, the secondary filter plate is connected to the secondary mud outlet, the secondary filter plate is connected to the secondary water guide plate, and the four walls of the secondary filter plate are connected to the secondary baffle plate. A third-stage filter plate is arranged below the second-stage filter plate, and a third-stage mud outlet is connected to the third-stage filter plate, and a third-stage water guide plate is connected to the bottom of the third-stage filter plate. The entire sewage treatment process is carried out in the treatment tank, and multi-stage treatment is used to achieve the purpose of purification. The purified sewage can be used in other fields, with a small footprint and obvious purification effect.

Description

An integrated sewage treatment device

technical field

The application relates to the field of water treatment, in particular to integrated sewage treatment.

Background technique

A large amount of sewage will be produced during the steel refining process. Industrial sewage carries a large amount of harmful substances, and direct discharge will cause serious pollution. Therefore, water treatment is required after industrial sewage is produced. The treated sewage can be used in other fields, but The current sewage treatment usually has problems such as large floor area and poor treatment effect during the treatment process. In view of the above problems, an integrated sewage treatment device is now designed. The entire sewage treatment process is carried out in the treatment tank, and multi-stage treatment is adopted. For purification purposes, the purified sewage can be used in other fields, with a small footprint and obvious purification effects.

Utility model content

The application provides an integrated sewage treatment device. The entire sewage treatment process is carried out in a treatment tank, and multi-stage treatment is used to achieve the purpose of purification. The purified sewage can be used in other fields, and the floor space is small and the purification effect is obvious.

The application provides an integrated sewage treatment device, including: a treatment tank, the treatment tank is provided with a water inlet, the water inlet is connected to a sedimentation tank, the sedimentation tank is connected to a liquid inlet pipe, and the liquid inlet pipe is connected to a flocculant tank, There is an outlet pipe connected to the bottom of the sedimentation tank, and a first-stage filter plate is installed under the outlet pipe. The first-stage filter plate is connected to a first-stage mud outlet, and the bottom of the first-stage filter plate is connected to a first-stage water guide plate. plate, a secondary filter plate is set under the primary filter plate, the secondary filter plate is connected with a secondary mud outlet, the secondary filter plate is connected with a secondary water guide plate, and the four walls of the secondary filter plate are connected There is a secondary baffle plate, and a third-stage filter plate is installed under the secondary filter plate. The third-stage filter plate is connected to a third-stage mud outlet, and the bottom of the third-stage filter plate is connected to a third-stage water guide plate. There are three-stage baffles, four-stage filter plates are installed under the third-stage filter plates, four-stage mud outlets are connected to the fourth-stage filter plates, four-stage water guide plates are connected under the fourth-stage filter plates, and four-stage filter plates are connected to four walls There are four-stage baffles, and a fifth-stage filter plate is arranged below the fourth-stage filter plate. The wall is connected with five-level baffles, the fifth-level water guide plate is connected with a water outlet, the first-level mud outlet, the second-level mud outlet, the third-level mud outlet, the fourth-level mud outlet, and the fifth-level mud outlet are connected with the same A mud ditch.

Further, the treatment tank is provided with a backwash mechanism.

Further, the primary filter plate filler is fiber ball filter material.

Further, the filling material of the secondary filter plate is fly ash ceramsite.

Further, the packing material of the fourth-stage filter plate is natural zeolite.

Further, the filling material of the fifth-stage filter plate is an inert filter material, and biological communities grow on the surface.

Further, a conveyor belt is provided at the bottom of the mud outlet.

Further, sludge scrapers are arranged on the surface of the first-stage filter plate, the second-stage filter plate, the third-stage filter plate, the fourth-stage filter plate, and the fifth-stage filter plate.

Further, the flocculant in the flocculant tank is polyacrylamide.

It can be known from the above technical solutions that the present application provides an integrated sewage treatment device, including: a treatment tank, the treatment tank performs integrated treatment of sewage, the treatment tank is provided with a water inlet, and the water inlet is used for sewage from the outside to the treatment tank The water inlet is connected with a settling tank, and the settling tank settles the sewage and preliminarily treats it to make the sediment sink to the bottom. The settling tank is connected with a liquid inlet pipe, which is a flocculant inlet pipe, and the liquid inlet pipe is connected with a flocculation The agent tank and the flocculant tank deliver the flocculant to the sedimentation tank through the liquid inlet pipe, so that the dispersed particles flocculate into aggregates and settle to the bottom of the sedimentation tank. The bottom of the sedimentation tank is connected with an outlet pipe, which is used for the sewage output after the sedimentation tank is treated. , there is a primary filter plate under the water outlet pipe, the sewage treated by the sedimentation tank is transported to the surface of the primary filter plate for sewage treatment, the primary filter plate is connected with a primary mud outlet, and the primary mud outlet is used for the primary filter plate The sludge intercepted on the surface is output. There is a first-stage water guide plate connected under the first-stage filter plate. The first-stage water guide plate collects the dispersed water flow. The surface of the filter plate is protected to prevent the sewage from flowing out. There is a secondary filter plate under the primary filter plate. The secondary filter plate re-filters the sewage filtered by the primary filter plate. The secondary filter plate is connected to the secondary mud outlet. There is a secondary water guide plate connected to the bottom of the secondary filter plate, secondary baffles are connected to the four walls of the secondary filter plate, and the secondary mud outlet is used for the output of the sludge intercepted on the surface of the secondary filter plate. Scattered water flows together, and the secondary baffle protects the surface of the secondary filter plate to prevent the sewage from flowing out. There is a tertiary filter plate under the secondary filter plate, and the tertiary filter plate re-filters the sewage filtered by the secondary filter plate , the third-level filter plate is connected with a third-level mud outlet, the bottom of the third-level filter plate is connected with a third-level water guide plate, the four walls of the third-level filter plate are connected with a third-level baffle plate, and the third-level mud outlet is used for the third-level filter plate The sludge intercepted on the surface is output, the three-stage water guide plate collects the dispersed water flow, the three-stage baffle plate protects the surface of the three-stage filter plate to prevent the sewage from flowing out, and there is a fourth-stage filter plate under the third-stage filter plate. The filter plate re-filters the sewage filtered by the third-stage filter plate. The fourth-stage filter plate is connected to the fourth-stage mud outlet. The bottom of the fourth-stage filter plate is connected to the fourth-stage water guide plate. The fourth-stage mud outlet is used to output the sludge intercepted on the surface of the fourth-stage filter plate, the fourth-stage water guide plate collects the dispersed water flow, and the fourth-stage baffle protects the surface of the fourth-stage filter plate to prevent sewage from flowing out. There is a five-stage filter plate under the filter plate. The fifth-stage filter plate re-filters the sewage filtered by the fourth-stage filter plate. The fifth-stage filter plate is connected to the fifth-stage mud outlet. The four walls of the fifth-stage filter plate are connected with five-stage baffles, the fifth-stage mud outlet is used for the output of the sludge intercepted on the surface of the fifth-stage filter plate, the fifth-stage water guide plate collects the dispersed water, and the fifth-stage baffle The surface of the first-stage filter plate is protected to prevent sewage from flowing out. The five-stage water guide plate is connected to a water outlet. The five-stage water guide plate collects the treated final water and transports it to the connected water outlet. The final water is output through the outlet tank. For collection and reuse, the first mud outlet, the second mud outlet, the third mud outlet, the fourth mud outlet, and the fifth mud outlet are connected to the same mud outlet, and the mud outlet collects all The sludge intercepted on the surface of the filter plate is output and transported to the sludge tank for collection. The backwashing mechanism is used to backwash the entire treatment tank. After the sewage is filtered, there will be residual sludge in the filter plate, and it will be difficult to clean it frequently. If it is blocked, the filtering effect will become poor. The water flow direction of the backwashing mechanism will wash all the filter plates and other mechanisms in the treatment tank from bottom to top to ensure the filtering effect of the filter plates. The fiber ball filter material has good elasticity and does not float on the water surface. , Large pores, small water head loss, acid and alkali resistance, renewable, etc. During the filtration process, the filter layer gap gradually becomes smaller along the water flow direction, the filtration speed is fast, and the sewage interception capacity is large. The sewage is initially treated, and the fly ash Ceramsite has a large specific surface area, high surface energy, and active points such as aluminum and silicon oxides inside. It has good adsorption performance and has a strong adsorption effect on the sludge carried in sewage to achieve the purpose of sewage treatment. Activated carbon Used in conjunction with quartz sand, it has strong adsorption and has an excellent treatment effect on sewage. It is a good choice to increase filtration rate, increase water output per unit area, improve sewage interception ability and reduce cost. Natural zeolite can be used to remove pollutants in water. Phosphorus, lead, hexavalent chromium and other heavy metals can reduce the hardness of water. The zeolite after failure can be used for repeated use after concentrated brine countercurrent regeneration, which reduces the cost of sewage treatment. The fifth-stage filter plate is a biological filter plate filled with inert filter materials. The growing biological community has a good effect on sewage treatment, and can meet the most stringent environmental protection requirements in any season, and will not produce secondary pollution. As the last filtration process of the sewage treatment tank, the sludge from the surface of each filter plate will be collected in the mud ditch. The intercepted sludge is pushed to the sludge outlet, transported by the conveyor belt, and transported to the sludge tank. A scraper is set on the surface of the filter plate to push the sludge intercepted on the surface of the filter plate. Scraped into the sludge ditch, polyacrylamide, as a flocculant with good effect, can reduce or eliminate the precipitation stability and polymerization stability of dispersed particles in water, and make the dispersed particles coagulate and flocculate into aggregates to be carried in the sewage that is removed. Pollutants, with the use of sedimentation tanks, the effect is obvious.

Description of drawings

In order to illustrate the technical solution of the present application more clearly, the accompanying drawings used in the implementation cases will be briefly introduced below. Obviously, for those of ordinary skill in the art, on the premise of not paying creative labor, Additional drawings can also be derived from these drawings.

Figure 1 is a schematic diagram of the structure of the present application.

Figure 2 is a diagram of the backwash mechanism.

Graphical description:

Among them, 1- water inlet, 2- sedimentation tank, 3- liquid inlet pipe, 4- flocculant tank, 5- outlet pipe, 6- primary filter plate, 7- primary mud outlet, 8- primary water guide Plate, 9- primary baffle plate, 10- secondary filter plate, 11- secondary mud outlet, 12- secondary water guide plate, 13- secondary baffle plate, 14- tertiary filter plate, 15- tertiary Mud outlet, 16-three-stage water guide plate, 17-three-stage baffle plate, 18-four-stage filter plate, 19-four-stage mud outlet, 20-four-stage water guide plate, 21-four-stage baffle plate, 22 -Five-stage filter plate, 23-Five-stage mud outlet, 24-Five-stage water guide plate, 25-Five-stage baffle plate, 26-Outlet tank, 27-Outlet mud ditch, 28-Backwashing mechanism.

detailed description

In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

Other embodiments of the application will be readily apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any modification, use or adaptation of the application, these modifications, uses or adaptations follow the general principles of the application and include common knowledge or conventional technical means in the technical field not disclosed in the application . The specification and examples are to be considered exemplary only, with the true scope of the application indicated by the claims.

See Fig. 1, Fig. 2 known by above technical solution.

Example 1:

An integrated sewage treatment device, comprising: a treatment tank that performs integrated treatment of sewage, the treatment tank is provided with a water inlet 1, the water inlet 1 is used for transporting sewage from the outside to the treatment tank, and the water inlet 1 is connected with The sedimentation tank 2, the sedimentation tank 2 settles the sewage, and preliminarily treats it to make the sediment sink to the bottom. The sedimentation tank 2 is connected with the liquid inlet pipe 3, which is the inlet pipe of the flocculant, and the liquid inlet pipe 3 is connected with the flocculant Tank 4, the flocculant tank 4 transports the flocculant to the sedimentation tank 2 through the liquid inlet pipe 3, so that the dispersed particles flocculate into aggregates and settle to the bottom of the sedimentation tank 2, and the bottom of the sedimentation tank 2 is connected to the outlet pipe 5, which is used for After the sewage treated by the sedimentation tank 2 is output, a primary filter plate 6 is arranged under the outlet pipe 5, and the sewage treated by the sedimentation tank 2 is transported to the surface of the primary filter plate 6 for sewage treatment. The primary filter plate 6 is connected to a primary outlet The mud port 7 and the primary mud outlet 7 are used to output the sludge retained on the surface of the primary filter plate 6. The primary water guide plate 8 is connected to the bottom of the primary filter plate 6, and the primary water guide plate 8 collects the dispersed water flow. The four walls of the primary filter plate 6 are connected with a primary baffle plate 9. The primary baffle plate 9 protects the surface of the primary filter plate 6 to prevent sewage from flowing out. A secondary filter plate 10 is arranged below the primary filter plate 6. The plate 10 re-filters the sewage filtered by the primary filter plate 6, the secondary filter plate 10 is connected with a secondary mud outlet 11, the secondary filter plate 10 is connected with a secondary water guide plate 12, and the secondary filter plate 10 The four walls are connected with a secondary baffle 13, the secondary mud outlet 15 is used for the output of the sludge intercepted on the surface of the secondary filter plate 10, the secondary water guide plate 12 collects the dispersed water flow, and the secondary baffle 13 is used for the secondary The surface of the filter plate 10 is protected to prevent sewage from flowing out. A tertiary filter plate 14 is arranged below the secondary filter plate 10. The tertiary filter plate 14 re-filters the sewage filtered by the secondary filter plate 10. The tertiary filter plate 14 is connected to There are three-stage mud outlets 15, three-stage water guide plates 16 are connected to the bottom of the three-stage filter plate 14, three-stage baffles 17 are connected to the four walls of the three-stage filter plate 14, and the third-stage mud outlet 15 is used for the three-stage filter plate The sludge intercepted on the surface of 14 is output, the three-stage water guide plate 16 gathers the dispersed water flow, and the three-stage baffle plate 17 protects the surface of the three-stage filter plate 14 to prevent the sewage from flowing out. Plate 18, the fourth-stage filter plate 18 filters the sewage filtered by the third-stage filter plate 18 again, the fourth-stage filter plate 18 is connected with a fourth-stage mud outlet 19, and the bottom of the fourth-stage filter plate 18 is connected with a fourth-stage water guide plate 20 , the four walls of the four-stage filter plate 18 are connected with four-stage baffles 21, the four-stage mud outlet 19 is used for the output of the sludge intercepted on the surface of the four-stage filter plate 18, the four-stage water guide plate 20 collects the dispersed water flow, and the four-stage The baffle plate 21 protects the surface of the fourth-stage filter plate 18 to prevent sewage from flowing out. A fifth-stage filter plate 22 is arranged below the fourth-stage filter plate 18. The fifth-stage filter plate 22 re-filters the sewage filtered by the fourth-stage filter plate 18. The fifth-stage filter plate 22 is connected with a fifth-stage mud outlet 23, the bottom of the fifth-stage filter plate 22 is connected with a fifth-stage water guide plate 24, the four walls of the fifth-stage filter plate 22 are connected with a fifth-stage baffle plate 25, and the fifth-stage mud outlet 23 For the output of the sludge intercepted on the surface of the five-stage filter plate 22, the five-stage water guide plate 24 will Scattered water flow is collected, and the fifth-stage baffle plate 25 protects the surface of the fifth-stage filter plate 22 to prevent sewage from flowing out. The fifth-stage water guide plate 24 is connected to the water outlet tank 26, and the fifth-stage water guide plate 24 collects the treated final water , transported to the connected water outlet 26, and the final water output is collected and reused through the water outlet 26, the first-level mud outlet 7, the second-level mud outlet 11, the third-level mud outlet 15, and the fourth-level mud outlet 19 1. The five-level mud outlet 23 is connected with the same mud outlet ditch 27, and the mud outlet ditch 27 collects the sludge intercepted on the surface of all filter plates, outputs it, and transports it to the sludge tank for collection.

Preferably, the packing material of the primary filter plate 6 is fiber ball filter material.

The fiber ball filter material has the advantages of good elasticity, no floating on the water surface, large pores, small head loss, acid and alkali resistance, and regeneration. Large capacity, primary treatment of sewage.

Preferably, the filling material of the secondary filter plate 10 is fly ash ceramsite.

Fly ash ceramsite has a large specific surface area, high surface energy, and active points such as aluminum and silicon oxides inside, has good adsorption performance, and has a strong adsorption effect on the sludge carried in the sewage, reaching the goal of sewage treatment. Purpose. In actual use, the filling material of the third-stage filter plate 14 is activated carbon and quartz sand. The combination of activated carbon and quartz sand has strong adsorption and excellent treatment effect on sewage. It is a good choice to increase filtration rate, increase water output per unit area, improve sewage interception capacity and reduce cost.

Preferably, the packing material of the fourth-stage filter plate 18 is natural zeolite.

Natural zeolite can be used to remove heavy metals such as phosphorus, lead, and hexavalent chromium in water, and reduce the hardness of water. The expired zeolite can be reused after concentrated brine countercurrent regeneration, reducing the cost of sewage treatment.

Preferably, the filling material of the fifth-stage filter plate 22 is an inert filter material, and biological communities grow on the surface.

The fifth-stage filter plate 22 is a biological filter plate, filled with inert filter materials, and the biological community growing on the surface has a good effect on sewage treatment. It can meet the most stringent environmental protection requirements in any season, and will not produce secondary pollution. It is used as a sewage treatment tank. The last filtration process.

Preferably, a conveyor belt is provided at the bottom of the mud outlet ditch 27 .

In the mud outlet ditch 27, the sludge intercepted from the surface of each filter plate will be collected, pushed into the mud outlet ditch 27, transported by a conveyor belt, and transported to the sludge tank.

Preferably, the surfaces of the primary filter plate 6 , secondary filter plate 10 , tertiary filter plate 14 , fourth-stage filter plate 18 , and fifth-stage filter plate 22 are all provided with sludge scrapers.

A scraper is set on the surface of the filter plate to push the sludge intercepted on the surface of the filter plate, and scrape it from one end of the filter plate into the sludge ditch in the horizontal direction.

Preferably, the flocculant in the flocculant tank 4 is polyacrylamide.

As a flocculant with good effect, polyacrylamide can reduce or eliminate the precipitation stability and polymerization stability of dispersed particles in water, and make the dispersed particles coagulate and flocculate into aggregates to remove the pollutants carried in the sewage, and cooperate with the sedimentation tank Use, the effect is obvious.

Embodiment 2, see Fig. 1:

Preferably, the treatment tank is provided with a backwash mechanism 28 .

The backwashing mechanism 28 is used to backwash the entire treatment tank. After the sewage is filtered, there will be residual dirt in the filter plate. If it is not cleaned frequently, it will be blocked and the filtering effect will deteriorate. The water flow direction of the backwashing mechanism 28 is from bottom to bottom. First, flush all the filter plates and other mechanisms in the treatment tank to ensure the filtering effect of the filter plates. After the water treatment is completed, the backwash mechanism is turned on to backwash the entire device, which is more convenient and quick.

It should be understood that the present application is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The embodiments of the present application described above are not intended to limit the scope of protection of the present application.

Claims (9)

1. An integrated sewage treatment device, characterized in that, comprising: a treatment tank, the treatment tank is provided with a water inlet (1), the water inlet (1) is connected with a settling tank (2), and the settling tank (2) is connected with liquid inlet pipe (3), and described liquid inlet pipe (3) is connected with flocculant tank (4), and described settling tank (2) bottom is connected with water outlet pipe (5), and described water outlet pipe ( 5) A primary filter plate (6) is provided below, the primary filter plate (6) is connected with a primary mud outlet (7), and a primary water guide plate (8) is connected below the primary filter plate (6) , the four walls of the primary filter plate (6) are connected with a primary baffle plate (9), the secondary filter plate (10) is arranged below the primary filter plate (6), and the secondary filter plate (10) A secondary mud outlet (11) is connected, a secondary water guide plate (12) is connected below the secondary filter plate (10), and secondary baffles (12) are connected to the four walls of the secondary filter plate (10). 13), said secondary filter plate (10) is provided with a tertiary filter plate (14) below, said tertiary filter plate (14) is connected with a tertiary mud outlet (15), said tertiary filter plate ( 14) A three-stage water guide plate (16) is connected below, three-stage baffles (17) are connected to the four walls of the three-stage filter plate (14), and four-stage filter plates (17) are arranged below the three-stage filter plate (14). plate (18), the four-stage filter plate (18) is connected with a four-stage mud outlet (19), and a four-stage water guide plate (20) is connected below the four-stage filter plate (18), and the four-stage Four-stage baffles (21) are connected to the four walls of the filter plate (18), and five-stage filter plates (22) are arranged below the four-stage filter plate (18), and five-stage filter plates (22) are connected to five-stage mud outlet (23), the bottom of the five-stage filter plate (22) is connected with a five-stage water guide plate (24), and the four walls of the five-stage filter plate (22) are connected with five-stage baffle plates (25), so The five-level water guide plate (24) is connected with a water outlet (26), and the first-level mud outlet (7), the second-level mud outlet (11), the third-level mud outlet (15), and the fourth-level mud outlet Port (19), five grades of mud outlets (23) are connected with the same mud outlet ditch (27). 2. An integrated sewage treatment device according to claim 1, characterized in that the treatment tank is provided with a backwash mechanism (28). 3. An integrated sewage treatment device according to claim 1, characterized in that the filling material of the primary filter plate (6) is fiber ball filter material. 4. An integrated sewage treatment device according to claim 1, characterized in that the filling material of the secondary filter plate (10) is fly ash ceramsite. 5. An integrated sewage treatment device according to claim 1, characterized in that the packing material of the fourth-stage filter plate (18) is natural zeolite. 6. An integrated sewage treatment device according to claim 1, characterized in that, the filling material of the fifth-stage filter plate (22) is an inert filter material, and biological communities grow on the surface. 7. The integrated sewage treatment device according to claim 1, characterized in that a conveyor belt is provided at the bottom of the mud outlet ditch (27). 8. A kind of integrated sewage treatment device according to claim 1, characterized in that, the first-stage filter plate (6), the second-stage filter plate (10), the third-stage filter plate (14), the fourth-stage filter plate The surfaces of the plate (18) and the five-stage filter plate (22) are all provided with sludge scrapers. 9. An integrated sewage treatment device according to claim 1, characterized in that the flocculant in the flocculant tank (4) is polyacrylamide.

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