CN209759242U - Multistage sewage treatment plant - Google Patents

Abstract

The utility model discloses a multi-stage sewage treatment device, which comprises a purification box and an aeration box. The aeration box is fixed on the top of one side of the inner wall of the purification box by screws, and one side of the top inner wall of the aeration box is fixed by screws. There is a baffle, the bottom outer wall of the baffle on both sides and the bottom inner wall of the aeration box are fixed with a filter screen by screws, and the bottom inner wall of the baffle is provided with a slide chute, and the inner wall of the slide chute is slidably connected with A slide plate, and the top outer wall of the slide plate is fixed with a piston by screws, the bottom outer wall of the piston and the bottom inner wall of the baffle are welded with return springs, and the top inner wall of the piston is fixed with an iron core by screws. The utility model helps to speed up the degradation rate of aerobic microorganisms in the sewage, and performs primary purification treatment on the sewage, which helps to accelerate the chemical reaction efficiency and further purify the sewage. Through multiple purifications, the sewage purification effect can be effectively guaranteed, and the filter screen can be effectively avoided. And the clogging of the filter cartridge affects the sewage purification efficiency.

Description

A multi-stage sewage treatment device

technical field

The utility model relates to the technical field of sewage treatment devices, in particular to a multi-stage sewage treatment device.

Background technique

In recent years, environmental protection issues around the world have become increasingly prominent. With the increasing awareness of environmental protection, water environment issues have also received more and more attention. Therefore, effective sewage recycling has become an important research topic for countries all over the world.

The sewage treatment process generally includes physical, chemical and biological methods. The physical process is to separate and recover the suspended pollutants in the sewage. The chemical process is to separate and recover the dissolved and colloidal pollutants in the sewage through chemical reactions. To convert them into harmless substances, the existing sewage treatment devices are generally equipped with multi-stage reaction tanks, and the sewage is left in each reaction tank for a long time, so that impurities are precipitated or the sewage is fully chemically reacted, and the sewage treatment efficiency is low.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a multi-stage sewage treatment device.

In order to achieve the above object, the utility model adopts the following technical solutions:

A multi-stage sewage treatment device, including a purification box and an aeration box, the aeration box is fixed on the top of one side of the inner wall of the purification box by screws, and a baffle is fixed on the top inner wall of the aeration box by screws, so Both sides of the bottom outer wall of the baffle and the bottom inner wall of the aeration box are fixed with filter screens by screws, and the bottom inner wall of the baffle is provided with a slide chute, and the inner wall of the slide chute is slidably connected with a slide plate, and the slide plate The top outer wall is fixed with a piston by screws, the bottom outer wall of the piston and the bottom inner wall of the baffle are welded with return springs, and the top inner wall of the piston is fixed with an iron core by screws, and the top inner wall of the aeration box is provided with an aeration mechanism, and the top of one side of the outer wall of the aeration box and the bottom of one side of the outer wall of the purification box are equipped with a circulation mechanism, so that the middle part of one side of the inner wall of the purification box is welded with a partition plate, and the partition plate divides the purification box into chemical For the reaction chamber and the physical filter chamber, a flow hole is opened on the bottom outer wall of the partition plate, and a flow pipe is inserted into the inner wall of the flow hole.

Preferably, the aeration mechanism includes an air pump and an aeration tube, and the air pump is fixed to the top outer wall of the aeration box by screws, one end of the outer wall of the aeration tube is inserted into the inner wall of the air outlet of the air pump, and one side of the outer wall of the aeration tube There is an air outlet at the bottom, a sewage outlet is opened on one side of the outer wall of the bottom of the aeration box, and a sewage pipe is plugged into the inner wall of the sewage outlet.

Preferably, the circulation mechanism includes a circulating water pump and a circulating pipe, and the circulating water pump is fixed to the bottom of one side of the outer wall of the purification box through screws, and the top of one side of the outer wall of the aeration box has a water inlet, and the inner wall of the water inlet is plugged with an inlet. The water pipe, the inner wall of one side of the water inlet pipe and the water outlet end of the circulating water pump are all plugged with the same circulation pipe.

Preferably, the top outer wall of the purification box and the top outer wall of the partition plate are provided with support shaft installation holes, and the inner walls of the two support shaft installation holes are connected with support shafts through bearings, and the top of the outer wall of one side of the support shaft and The bottom is respectively fixed with a stirring rod and a cleaning brush by screws, the top outer wall of the purification box is fixed with a drive motor by screws, and the output shaft of the drive motor is fixed on the outer wall of one end of the support shaft through a coupling.

Preferably, the top of one side of the inner wall of the purification box is fixed with a guide ring by screws, and the bottom inner wall of the purification box is welded with a fixed pipe, and the outer wall of the top of the fixed pipe and the bottom outer wall of the guide ring are fixed with the same filter cartridge by screws , the inner wall of the fixed pipe is threadedly connected with a sealing plug.

Preferably, one side of the top outer wall and the bottom of one outer wall of the purification box are respectively provided with a dosing port and a water outlet, and the inner wall of the dosing port and the inner wall of the water outlet are respectively inserted with a dosing pipe and a water outlet pipe.

Preferably, the bottom outer wall of the sliding plate is fixed with a sealing strip by screws, and the cross section of the sealing strip is a triangular structure, and the bottoms of the outer walls on both sides of the sliding plate are welded with scrapers.

Preferably, the top inner wall of the baffle is fixed with an electromagnet by screws, and the electromagnet, circulating water pump, driving motor and air pump are all connected to a switch through a wire, and the switch is connected to a power supply through a wire.

Compared with the prior art, the utility model provides a multi-stage sewage treatment device, which has the following beneficial effects:

1. The multi-stage sewage treatment device, through the set air pump and aeration pipe, after the sewage enters the interior of the aeration box, oxygen is sent to the interior of the sewage through the air pump and aeration pipe, which can fully oxidize the sewage and help to speed up the sewage treatment process. The degradation rate of medium aerobic microorganisms is used to carry out primary purification treatment of sewage.

2. The multi-stage sewage treatment device, through the set chemical reaction chamber, dosing pipe and stirring rod, the aerated sewage enters the chemical reaction chamber, and chemical drugs are added through the dosing pipe, and the sewage is treated twice by chemical reaction. For purification treatment, start the drive motor to drive the stirring rod to rotate and mix sewage and medicine, which helps to speed up the chemical reaction efficiency and further purify sewage.

3. The multi-stage sewage treatment device, through the set guide ring and filter cartridge, the chemically reacted sewage passes through the flow pipe, flows into the filter cartridge along the guide ring, and uses the filter cartridge to perform physical filtration to remove impurities in the sewage. The sewage is purified, and the sewage purification effect can be effectively guaranteed through multiple purifications.

4. The multi-stage sewage treatment device, through the set scraper and cleaning brush, drives the scraper to move when the sliding plate moves up and down, which can scrape off the dirt on the outer wall of the filter screen, which helps to ensure the circulation effect of the filter screen. When the support shaft rotates Drive the cleaning brush to rotate and brush to remove impurities on the inner wall of the filter cartridge, which helps to ensure the filtration efficiency of the filter cartridge, and effectively prevents the blockage of the filter screen and filter cartridge from affecting the sewage purification efficiency.

The parts not involved in the device are the same as the prior art or can be realized by adopting the prior art. The utility model can effectively guarantee the sewage purification effect through multiple purifications.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of a kind of multistage sewage treatment device that the utility model proposes;

Fig. 2 is a schematic diagram of the main structure of a multi-stage sewage treatment device proposed by the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of a multi-stage sewage treatment device baffle plate proposed by the utility model.

In the figure: 1-aeration box, 2-water inlet pipe, 3-aeration pipe, 4-circulation pipe, 5-drainage pipe, 6-circulation water pump, 7-fixing pipe, 8-sealing plug, 9-filter cartridge, 10-Water outlet pipe, 11-Cleaning brush, 12-Guiding ring, 13-Partition plate, 14-Stirring rod, 15-Support shaft, 16-Dosing pipe, 17-Drive motor, 18-Baffle plate, 19-Air pump , 20-observation board, 21-cleaning box, 22-electromagnet, 23-slide plate, 24-screen filter, 25-return spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Referring to Figures 1-3, a multi-stage sewage treatment device includes a purification box 21 and an aeration box 1. The aeration box 1 is fixed on the top of the inner wall of one side of the purification box 21 by screws, and the top inner wall of the aeration box 1 is The side is fixed with a baffle 18 by screws, and both sides of the bottom outer wall of the baffle 18 and the bottom inner wall of the aeration box 1 are fixed with a filter screen 24 by screws, and the bottom inner wall of the baffle 18 has a slide chute, and the slide chute The inner wall of the slide plate 23 is slidably connected with a slide plate 23, and the top outer wall of the slide plate 23 is fixed with a piston, the bottom outer wall of the piston and the bottom inner wall of the baffle plate 18 are welded with a back-moving spring 25, and the top inner wall of the piston is fixed with an iron core by screws. The top inner wall of the aeration box 1 is provided with an aeration mechanism, and the top of one side of the outer wall of the aeration box 1 and the bottom of one side of the outer wall of the purification box 21 are all provided with a circulation mechanism, so that the middle part of the side inner wall of the purification box 21 is welded with The partition plate 13 divides the purification box 21 into a chemical reaction chamber and a physical filter chamber. The outer wall of the bottom of the partition plate 13 has a flow hole, and the inner wall of the flow hole is inserted with a flow pipe.

In the utility model, the aeration mechanism includes an air pump 19 and an aeration pipe 3, and the air pump 19 is fixed on the top outer wall of the aeration box 1 by screws, and the outer wall of one end of the aeration pipe 3 is inserted into the inner wall of the air outlet of the air pump 19. There is an air outlet at the bottom of one side of the outer wall of the trachea 3 , and a sewage outlet is provided at one side of the bottom outer wall of the aeration box 1 , and a sewage pipe 5 is plugged into the inner wall of the sewage outlet.

In the utility model, the circulation mechanism includes a circulating water pump 6 and a circulating pipe 4, and the circulating water pump 6 is fixed on the bottom of one side of the outer wall of the purification box 21 by screws, and the top of the side of the outer wall of the aeration box 1 has a water inlet, and the water inlet A water inlet pipe 2 is inserted into the inner wall, and the same circulation pipe 4 is inserted into the inner wall of one side of the water inlet pipe 2 and the water outlet end of the circulating water pump 6 .

In the utility model, the top outer wall of the purification box 21 and the top outer wall of the partition plate 13 are provided with support shaft mounting holes, and the inner walls of the two support shaft mounting holes are connected with the support shaft 15 through bearings, and one of the support shafts 15 The top and bottom of the side outer wall are respectively fixed with stirring rod 14 and cleaning brush 11 by screws, and the top outer wall of the purification box 21 is fixed with drive motor 17 by screws, and the output shaft of drive motor 17 is fixed on the outer wall of one end of support shaft 15 by a coupling.

In the utility model, the top of one side inner wall of the purification box 21 is fixed with a guide ring 12 by screws, and the bottom inner wall of the purification box 21 is welded with a fixed tube 7, and the top outer wall of the fixed tube 7 and the bottom outer wall of the guide ring 12 are all screwed. The same filter cartridge 9 is fixed, and the inwall of the fixed pipe 7 is threadedly connected with a sealing plug 8, and the rotating sealing plug 8 is convenient to discharge the dirt inside the filter cartridge 9 by the fixed pipe 7.

In the utility model, one side of the top outer wall of the purification box 21 and the bottom of the outer wall of one side are respectively provided with a dosing port and a water outlet, and the inner wall of the dosing port and the inner wall of the water outlet are inserted with a dosing pipe 16 and a water outlet pipe respectively. 10.

In the utility model, the outer wall of the bottom of the slide plate 23 is fixed with a sealing strip by screws, and the cross-section of the sealing strip is a triangular structure. The bottoms of the outer walls on both sides of the slide plate 23 are welded with scrapers. When the slide plate 23 moves up and down, it drives the scraper to move. The dirt on the outer wall of the filter screen 24 can be scraped off, which helps to ensure the circulation effect of the filter screen 24 .

In the utility model, the top inner wall of baffle plate 18 is fixed with electromagnet 22 by screw, and electromagnet 22, circulating water pump 6, driving motor 17 and air pump 19 are all connected with switch by wire, and switch is connected with power supply by wire.

Working principle: After the sewage enters the interior of the aeration box 1 through the water inlet pipe 2, oxygen is sent into the interior of the sewage through the air pump 19 and the aeration pipe 3 to oxidize the sewage, accelerate the degradation rate of aerobic microorganisms in the sewage, and energize the electromagnet 22, Under the action of magnetic force, the sliding plate 23 is driven upwards, the sewage is filtered by the filter screen 24 and enters the interior of the purification box 21, the aerated sewage enters the chemical reaction chamber, and chemical drugs are added through the dosing pipe 16, and the driving motor 17 is started to drive the stirring rod 14 Rotate and mix the sewage and medicine, and use the chemical reaction to carry out secondary purification treatment on the sewage. The sewage through the chemical reaction flows through the flow pipe and flows into the filter cartridge 9 along the guide ring 12, and the impurities in the sewage are filtered through the filter cartridge 9. When the sewage When the purification effect is unsatisfactory, start the water pump 6 to drive the purified water to re-enter the inside of the aeration box 1 for further purification treatment.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (8)

1. A multi-stage sewage treatment device, comprising a purification box (21) and an aeration box (1), characterized in that the aeration box (1) is fixed to the top of one side of the inner wall of the purification box (21) by screws , and one side of the top inner wall of the aeration box (1) is fixed with a baffle (18) by screws, and both sides of the bottom outer wall of the baffle (18) and the bottom inner wall of the aeration box (1) are fixed with screws filter screen (24), and the bottom inner wall of the baffle plate (18) is provided with a slide chute, the inner wall of the slide chute is slidably connected with a slide plate (23), and the top outer wall of the slide plate (23) is fixed with a piston by screws, The bottom outer wall of the piston and the bottom inner wall of the baffle (18) are welded with a return spring (25), and the top inner wall of the piston is fixed with an iron core by screws, and the top inner wall of the aeration box (1) is provided with an aeration spring (25). Air mechanism, and the top of one side of the outer wall of the aeration box (1) and the bottom of one side of the outer wall of the purification box (21) are equipped with a circulation mechanism, so that the middle part of the inner wall of one side of the purification box (21) is welded with a partition plate ( 13), and the partition plate (13) divides the purification box (21) into a chemical reaction chamber and a physical filter chamber, the outer wall of the bottom of the partition plate (13) has a flow hole, and the inner wall of the flow hole is plugged with Flow tube. 2. A multi-stage sewage treatment device according to claim 1, characterized in that the aeration mechanism includes an air pump (19) and an aeration pipe (3), and the air pump (19) is fixed to the aeration pipe by screws The outer wall of the top of the box (1), the outer wall of one end of the aeration pipe (3) is inserted into the inner wall of the air outlet of the air pump (19), and the bottom of the outer wall of one side of the aeration pipe (3) has an air outlet, and the aeration box (1 ) is provided with a sewage outlet on one side of the bottom outer wall, and a sewage pipe (5) is plugged into the inner wall of the sewage outlet. 3. A multi-stage sewage treatment device according to claim 2, characterized in that the circulation mechanism includes a circulating water pump (6) and a circulating pipe (4), and the circulating water pump (6) is fixed to the purification box by screws The bottom of one side of the outer wall of (21) and the top of the side of the aeration box (1) have a water inlet, the inner wall of the water inlet is plugged with the water inlet pipe (2), the inner wall of one side of the water inlet pipe (2) and the circulating water pump The water outlets of (6) are all plugged with the same circulation pipe (4). 4. A multi-stage sewage treatment device according to claim 3, characterized in that, the top outer wall of the purification box (21) and the top outer wall of the partition plate (13) are provided with support shaft installation holes, and The inner walls of the two support shaft mounting holes are connected with a support shaft (15) through bearings, and the top and bottom of one side of the outer wall of the support shaft (15) are respectively fixed with a stirring rod (14) and a cleaning brush (11) by screws. The top outer wall of (21) is fixed with driving motor (17) by screw, and the output shaft of driving motor (17) is fixed on the outer wall of one end of support shaft (15) by coupling. 5. A multi-stage sewage treatment device according to claim 4, characterized in that, the top of the inner wall of one side of the purification box (21) is fixed with a guide ring (12) by screws, and the purification box (21) The bottom inner wall is welded with a fixed tube (7), the top outer wall of the fixed tube (7) and the bottom outer wall of the guide ring (12) are fixed with the same filter cartridge (9) by screws, and the inner wall of the fixed tube (7) is connected by threads There is a sealing plug (8). 6. A multi-stage sewage treatment device according to claim 5, characterized in that, one side of the top outer wall and the bottom of one side outer wall of the purification box (21) are respectively provided with a dosing port and a water outlet, and A medicine feeding pipe (16) and a water outlet pipe (10) are plugged into the inner wall of the medicine port and the water outlet respectively. 7. A multi-stage sewage treatment device according to claim 6, characterized in that the outer wall of the bottom of the sliding plate (23) is fixed with a sealing strip by screws, and the cross section of the sealing strip is a triangular structure, the sliding plate (23) ) are welded with scrapers at the bottom of both sides of the outer wall. 8. A multi-stage sewage treatment device according to claim 7, characterized in that, the top inner wall of the baffle (18) is fixed with an electromagnet (22) by screws, and the electromagnet (22), the circulating water pump (6), the driving motor (17) and the air pump (19) are all connected with a switch by a wire, and the switch is connected with a power supply by a wire.