CN108529827B - Purification treatment device for domestic sewage and treatment method thereof - Google Patents

Abstract

The invention discloses a purification treatment device for domestic sewage and a treatment method thereof, the device comprises a treatment box, the top of the treatment box is fixedly welded with a sealing shell, a screw rod is rotatably connected in the sealing shell, a fixing plate is in threaded connection with the screw rod, the bottom of the fixing plate is fixedly welded with a filter plate, the area below a second partition plate is divided into an anoxic tank, an aerobic tank, a sedimentation tank, a disinfection tank and a filter tank through a plurality of first water baffles and second water baffles, an aeration disc is arranged at the bottom in the aerobic tank, and a sewage collecting tank is fixedly welded at the bottom of the sedimentation tank. The motor drives the screw rod to drive the fixed plate so as to push the filter plate to filter the sewage, and filter residues are discharged into the sewage discharge groove to be stored, secondary diffusion of sludge can be prevented under the action of the valve plate, the sludge cleaning efficiency is high, the sewage after filter pressing is finally discharged after being subjected to anoxic, aeration, sedimentation, disinfection and filtration treatment, and the sewage treatment effect is good.

Description

Purification treatment device for domestic sewage and treatment method thereof

Technical Field

The invention belongs to the technical field of sewage treatment devices, and particularly relates to a purification treatment device for domestic sewage and a treatment method thereof.

Background

At present, the purification unit of sewage is the indispensable equipment of environment-friendly society, but the purification unit of current sewage has corresponding defect, and for example some great impurity can damage interior equipment, and the disinfection effect of disinfecting is not good, and only active carbon adsorption equipment in addition, adsorption effect is ideal inadequately, can't satisfy the demand, and the water after the purification also can't know quality of water and whether reach the requirement.

For this reason, the patent of application number CN201720165882.6, it discloses a purification unit of city domestic sewage, including purification unit body, water purification district, filler and settling zone, surface mounting has transparent observation window and control panel before the purification unit body, the water purification pipe is installed to purification unit body opposite side, filler and ozone generating device are installed to purification unit body upside, and ozone generating device downside installs the ozone pipe, purification unit body internally mounted has mud filter equipment, mixed filler and biofiltration membrane, and mud filter equipment, mixed filler and biofiltration membrane separate the purification unit body for settling zone, buffer zone, disinfection district and water purification district, activated carbon adsorption equipment is installed to the inside bottom side of settling zone. The utility model discloses a magnetic particle body is adhered to the settling zone bottom, has the surperficial coarse, easily the biofilm formation, and density is close with the aqueous phase, can be fine mix the fluidization with water to energy-conservation province consumes.

However, the above solution has the following disadvantages in use: the domestic sewage contains a large amount of sediments, and the method cannot effectively discharge the sediments in the sewage treatment process and is inconvenient to use.

Disclosure of Invention

The present invention aims to provide a domestic sewage purification treatment device and a treatment method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a purification treatment device for domestic sewage comprises a treatment box, wherein the inside of the treatment box is divided into an upper area and a lower area by a second partition plate which is horizontally welded and fixed, the two ends in the treatment box are separated into a sewage discharge groove by a first clapboard fixed by welding, the top of the treatment box is fixed by welding with a sealing shell, a screw rod is rotatably connected in the sealed shell, one end of the screw rod is fixedly connected with the output end of the motor, the motor is arranged on the treatment box, the screw rod is in threaded connection with a fixed plate, the bottom of the fixed plate is welded and fixed with a filter plate, the area below the second baffle plate is divided into an anoxic tank, an aerobic tank, a sedimentation tank, a disinfection tank and a filtering tank by a plurality of first water baffle plates and second water baffle plates, an aeration disc is installed at the bottom in the aerobic tank, a dirt collecting groove is fixedly welded at the bottom of the sedimentation tank, and a disinfectant adding pipe is installed in the disinfection tank.

Preferably, the filter plate is semicircular, the filter plate is matched with the area above the second partition plate, and a water inlet pipe is arranged on one side of the treatment box.

Preferably, a sewage discharge pipe is arranged at the bottom of the sewage discharge groove.

Preferably, a through hole is formed in the first partition plate, and a valve plate is hinged to one side, located on the sewage draining groove, of the upper portion of the through hole.

Preferably, the second partition plate is provided with a communicating pipe, and the communicating pipe is communicated with the top of the anoxic tank.

Preferably, the bottom of the aeration disc is connected with an air inlet pipe.

Preferably, a first water baffle and a second water baffle are arranged on two sides of the aerobic tank and two sides of the disinfection tank, the first water baffle is located on the inner side of the second water baffle, a gap is formed in the bottom of the first water baffle, and a gap is formed in the top of the second water baffle.

Meanwhile, the invention discloses a treatment method of the purification treatment device for the domestic sewage, which comprises the following operation steps:

s1: discharging domestic sewage into an upper area inside the treatment tank from a water inlet pipe, starting a motor, driving a fixing plate by using a screw rod to drive a filter plate to filter the sewage, and discharging filter residues into a sewage discharge groove through a through hole for storage;

s2: the filtered sewage is discharged into an anoxic tank for treatment through a communicating pipe, and then is discharged into an aerobic tank, and air is blown into an aeration disc through an air inlet pipe;

s3: then, discharging the sewage into a sedimentation tank for sedimentation treatment, and concentrating the settled impurities into a sewage collection tank;

s4: then, the sewage enters a disinfection tank, hypochlorous acid disinfectant with the concentration of 10-20% is added into the disinfection tank by a disinfectant adding pipe, and the disinfection is continued for 20-30 minutes;

s5: and then discharging the sewage into a filtering tank, and discharging the sewage after filtering treatment by a filtering ceramsite layer, a non-woven fabric layer and an activated carbon layer in sequence.

The invention has the technical effects and advantages that:

the motor drives the screw rod to drive the fixed plate so as to push the filter plate to filter sewage, and filter residues are discharged into the sewage discharge groove through the through hole to be stored, secondary diffusion of sludge can be prevented under the action of the valve plate, the sludge cleaning efficiency is high, the sewage after filter pressing is finally discharged after being subjected to anoxic, aeration, sedimentation, disinfection and filtration treatment, and the sewage treatment effect is good.

Drawings

FIG. 1 is a schematic structural view of a purification treatment apparatus for domestic sewage according to the present invention;

FIG. 2 is a schematic view showing the internal structure of a purification apparatus for domestic sewage according to the present invention;

FIG. 3 is a schematic diagram of a filter plate structure of a domestic sewage purification treatment device according to the present invention;

fig. 4 is a schematic structural view of a valve plate of the domestic sewage purification treatment device.

In the figure: 1 treatment box, 2 screw rods, 3 sealing shells, 4 fixing plates, 5 motors, 6 sewage discharge tanks, 7 sewage discharge pipes, 8 first partition plates, 801 through holes, 9 valve plates, 10 filter plates, 11 communicating pipes, 12 second partition plates, 13 water inlet pipes, 14 first water baffle plates, 15 aeration plates, 16 second water baffle plates, 17 anoxic tanks, 18 aerobic tanks, 19 air inlet pipes, 20 sedimentation tanks, 21 sewage collection tanks, 22 disinfection tanks, 23 filter tanks and 24 disinfectant adding pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, a purification treatment device for domestic sewage, comprising a treatment tank 1, wherein the inside of the treatment tank 1 is divided into an upper area and a lower area by a second partition plate 12 fixed by horizontal welding, both ends of the inside of the treatment tank 1 are divided into a sewage discharge groove 6 by a first partition plate 8 fixed by welding, the top of the treatment tank 1 is fixed by welding with a sealing shell 3, a screw rod 2 is rotatably connected in the sealing shell 3, one end of the screw rod 2 is fixedly connected with the output end of a motor 5, the motor 5 is installed on the treatment tank 1, a fixing plate 4 is connected on the screw rod 2 by screw thread, a filter plate 10 is fixedly welded at the bottom of the fixing plate 4, the area below the second partition plate 12 is divided into an anoxic tank 17, an aerobic tank 18, a sedimentation tank 20, a disinfection tank 22 and a filter tank 23 by a plurality of first water baffle plates 14 and second water baffle plates, an aeration disc 15 is arranged at the bottom in the aerobic tank 18, a sewage collecting tank 21 is fixedly welded at the bottom of the sedimentation tank 20, and a disinfectant adding pipe 24 is arranged in the disinfection tank 22.

The utility model discloses a sewage treatment device, including the filter plate 10, the filter plate 10 is semicircular, the regional phase-match of filter plate 10 and second baffle 12 top, one side of handling case 1 is equipped with inlet tube 13, and filter plate 10 passes through braced frame and fixes the filter-pressing cloth on braced frame and constitutes, and when filter plate 10 removed in second baffle 12 top region, can carry out the filter-pressing to sewage, detached most solid impurity in the sewage.

The bottom of the sewage discharge groove 6 is provided with a sewage discharge pipe 7, so that sludge in the sewage discharge groove 6 can be conveniently discharged.

Be equipped with through-hole 801 on the first baffle 8, the one side that is located to let out dirty groove 6 above through-hole 801 articulates there is valve plate 9, and when filter plate 10 was close to this valve plate 9, this valve plate 9 can be pushed away by mud, and mud gets into through-hole 801 and lets out dirty groove 6, and when filter plate 10 kept away from this valve plate 9, this valve plate 9 can be automatic closed, avoids mud to cause the secondary diffusion.

The second partition plate 12 is provided with a communicating pipe 11, the communicating pipe 11 is communicated with the top of the anoxic tank 17, and an electric control valve is arranged in the communicating pipe 11, so that the control is convenient.

The bottom of the aeration disc 15 is connected with an air inlet pipe 19, and the air inlet pipe 19 is connected with a blower and can supplement air to the aeration disc 15.

The aerobic tank 18 and the disinfection tank 22 are respectively provided with a first water baffle 14 and a second water baffle 16 at two sides, the first water baffle 14 is positioned at the inner side of the second water baffle 16, a gap is arranged at the bottom of the first water baffle 14, and a gap is arranged at the top of the second water baffle 16, so that sewage can be stopped in the aerobic tank 18 and the disinfection tank 22, and oxygen can be prevented from permeating into the anoxic tank 17.

The filtering tank 23 is internally provided with a filtering ceramic particle layer, a non-woven fabric layer and an activated carbon layer from top to bottom in sequence, so that sewage can be effectively filtered.

Meanwhile, the invention discloses a treatment method of the purification treatment device for the domestic sewage, which comprises the following operation steps:

s1: discharging domestic sewage into an upper area inside the treatment tank from a water inlet pipe;

s2: the filtered sewage is discharged into an anoxic tank for treatment through a communicating pipe, and then is discharged into an aerobic tank, and air is blown into an aeration disc through an air inlet pipe;

s3: then, discharging the sewage into a sedimentation tank for sedimentation treatment, and concentrating the settled impurities into a sewage collection tank;

s4: then, the sewage enters a disinfection tank, hypochlorous acid disinfectant with the concentration of 10-20% is added into the disinfection tank by a disinfectant adding pipe, and the disinfection is continued for 20-30 minutes;

s5: and then discharging the sewage into a filtering tank, and discharging the sewage after filtering treatment by a filtering ceramsite layer, a non-woven fabric layer and an activated carbon layer in sequence.

According to the invention, the screw rod 2 is driven by the motor 5 to drive the fixing plate 4 so as to push the filter plate 10 to filter sewage, filter residues are discharged into the sewage discharge groove 6 through the through hole 801 to be stored, secondary diffusion of sludge can be prevented under the action of the valve plate 9, the sludge cleaning efficiency is high, the filter-pressed sewage is finally discharged after being subjected to anoxic, aeration, sedimentation, disinfection and filtration treatment, and the sewage treatment effect is good.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a purification unit for domestic sewage, includes treatment case (1), its characterized in that: handle case (1) inside second baffle (12) through horizontal welded fastening and be separated into two upper and lower regions, handle in case (1) both ends and be separated into through welded fastening's first baffle (8) and let out dirty groove (6), the top welded fastening who handles case (1) has seal housing (3), seal housing (3) internal rotation is connected with screw rod (2), the one end fixed connection of screw rod (2) is in the output of motor (5), motor (5) are installed on handling case (1), threaded connection has fixed plate (4) on screw rod (2), the bottom welded fastening of fixed plate (4) has filter plate (10), the region of second baffle (12) below is separated into oxygen deficiency pond (17), good oxygen pond (18), sedimentation tank (20) through a plurality of first breakwater (14) and second breakwater (16), oxygen deficiency pond (17), good oxygen pond (18), sedimentation tank (20), Disinfection pond (22) and filtering ponds (23), good oxygen pond (18) all are equipped with first breakwater (14) and second breakwater (16) with the both sides of disinfection pond (22), first breakwater (14) are located the inboard of second breakwater (16), the bottom of first breakwater (14) is equipped with the clearance, the top of second breakwater (16) is equipped with the clearance, aeration dish (15) are installed to bottom in good oxygen pond (18), the bottom welded fastening of sedimentation tank (20) has dirt collecting tank (21), install antiseptic solution addition pipe (24) in disinfection pond (22).

2. A purification treatment apparatus for domestic sewage according to claim 1, wherein: the filter plate (10) is semicircular, the filter plate (10) is matched with an area above the second partition plate (12), and a water inlet pipe (13) is arranged on one side of the treatment box (1).

3. A purification treatment apparatus for domestic sewage according to claim 1, wherein: and a sewage discharge pipe (7) is arranged at the bottom of the sewage discharge groove (6).

4. A purification treatment apparatus for domestic sewage according to claim 1, wherein: be equipped with through-hole (801) on first baffle (8), one side that is located drain groove (6) above through-hole (801) articulates there is valve plate (9).

5. A purification treatment apparatus for domestic sewage according to claim 1, wherein: the second partition plate (12) is provided with a communicating pipe (11), and the communicating pipe (11) is communicated with the top of the anoxic tank (17).

6. A purification treatment apparatus for domestic sewage according to claim 1, wherein: the bottom of the aeration disc (15) is connected with an air inlet pipe (19).

7. A treatment method of a purification treatment apparatus for domestic sewage according to claim 1, characterized in that: the method specifically comprises the following operation steps:

s1: discharging domestic sewage into an upper area inside the treatment tank from a water inlet pipe, starting a motor, driving a fixing plate by using a screw rod to drive a filter plate to filter the sewage, and discharging filter residues into a sewage discharge groove through a through hole for storage;

s2: the filtered sewage is discharged into an anoxic tank for treatment through a communicating pipe, and then is discharged into an aerobic tank, and air is blown into an aeration disc through an air inlet pipe;

s3: then, discharging the sewage into a sedimentation tank for sedimentation treatment, and concentrating the settled impurities into a sewage collection tank;

s4: then, the sewage enters a disinfection tank, hypochlorous acid disinfectant with the concentration of 10-20% is added into the disinfection tank by a disinfectant adding pipe, and the disinfection is continued for 20-30 minutes;

s5: and then discharging the sewage into a filtering tank, and discharging the sewage after filtering treatment by a filtering ceramsite layer, a non-woven fabric layer and an activated carbon layer in sequence.

Images