CN108117237A - A kind of sanitary sewage disposal environmental protecting device - Google Patents

Abstract

The invention discloses an environmental protection device for domestic sewage treatment. The sewage treatment device of the invention can quickly realize the sewage treatment of a family or a certain building, the treatment is fast, the cost of sewage treatment is low, and the recycling of water in the family or a building can be realized. , the treatment device of the present invention first increases oxygen through the oxygen-increasing mixing tank, and the stirring blade can also realize preliminary crushing of individual large-particle organic matter, enter the crushing filter cartridge, and crush the organic matter into fine structures, and then enter the Each nitrification treatment tank uses bacteria such as nitrifying bacteria on the porous ring in the nitrification treatment tank to process organic matter, and then uses the bottom filter to filter to ensure water quality. In the present invention, the design of the porous ring structure is reasonable. The oxygen of the bacteria ensures the circulation effect, the crushing cylinder has a good crushing effect, and the required treatment substances can be added to the feeding joint according to the actual water quality to ensure the quality of the treated water.

Description

An environmental protection device for domestic sewage treatment

technical field

The invention relates to an environmental protection device for domestic sewage treatment, belonging to the technical field of domestic sewage treatment equipment.

Background technique

The scarcity of water resources is a phenomenon of scarcity of water resources. Because the total amount of water on the earth is fixed, the total amount of drinking fresh water is even less. As the utilization and unreasonable waste become more and more severe, the problem of water resource shortage becomes more and more obvious. In order to solve the problem of lack of water resources, reasonable reuse of domestic sewage plays an extremely important role in the utilization of water resources. In addition, if domestic sewage is discharged without restraint, it will not only cause waste of water resources, but also cause environmental pollution. At present, as people pay more and more attention to environmental protection, people pay more and more attention to domestic sewage treatment.

The current domestic sewage treatment is generally concentrated in sewage treatment plants, which generally use large-scale sewage treatment devices. This treatment method needs to concentrate domestic sewage into sewage treatment plants, and the sewage will lead to serious deterioration of water quality after a long time, and the cost of sewage treatment is high. Therefore, how to design a sewage treatment device used in a family or a building, so as to meet the occasions where the water quality in the family or building is not high, plays an extremely important role in environmental protection.

In view of the above problems, the present invention provides an environmental protection device for domestic sewage treatment, which improves the sewage treatment effect and the environmental protection performance.

Contents of the invention

In order to achieve the above object, the present invention provides the following technical solutions: an environmental protection device for domestic sewage treatment, which is characterized in that it includes a sedimentation tank, an aeration mixing tank, a treatment tank, an outlet pipe and a clear water tank, and the sedimentation tank is connected by sewage The pipe is connected to the sewage discharge device, the water outlet of the sedimentation tank is connected to the aeration mixing tank through a connecting pipe, the water outlet of the aeration mixing tank is connected to the treatment tank through a connecting pipe, and the treatment tank treats The finished water is connected to the clear water pool through the outlet pipe, wherein the treatment tank is provided with a crushing filter cartridge, a plurality of nitrification treatment tanks and a bottom filter adsorption device, and a plurality of the nitrification treatment tanks are arranged in parallel in the On the water outlet pipe of the pulverizing filter cartridge, the water outlets of each of the nitrification treatment tanks are connected to the bottom filter adsorption device.

Further, preferably, the crushing filter cartridge is arranged horizontally at the inner upper end of the treatment box, a plurality of the nitrification treatment tanks are vertically arranged below the crushing filter cartridge in parallel, and the bottom filter adsorption device is arranged on The bottom of the disposal box.

Further, as a preference, at least one layer of filter screen is provided in the sedimentation tank, the water outlet end of the sewage connecting pipe is located under the filter screen, and the port of the connecting pipe connected to the water outlet of the sedimentation tank is located in the filter screen. Above the net, a water pump is provided on the connecting pipe between the sedimentation tank and the aeration stirring tank.

Further, as a preference, the inside of the aeration stirring tank is coiled with an air outlet coil, and the air outlet coil is densely provided with fine pores for gas to flow out, and the air outlet coil is connected to an external air blowing pump. A stirring shaft is also arranged in the aeration mixing tank, and the stirring shaft is driven to rotate by a stirring driver. At least an upper stirring blade, a middle stirring blade and a lower stirring blade are arranged on the stirring shaft, and the upper stirring blade is responsible for aeration The water in the stirring tank is stirred upwards, the middle stirring blade is responsible for stirring the water in the oxygen increasing stirring tank to the side wall of the oxygen increasing stirring tank, and the lower stirring blade is responsible for stirring the water in the oxygen increasing stirring tank downward.

Further, as a preference, a plurality of porous rings are arranged in each of the nitrification treatment tanks, the porous rings have a cylindrical ring structure, the center of the porous rings is a central hole, and fine holes are densely arranged on the porous rings. Holes, tooth holes are provided on the outer peripheral side wall of the porous ring, and adjacent tooth holes are separated by connecting teeth.

Further, as a preference, the crushing filter cartridge is a long cylindrical structure, the inlet and outlet ends of the crushing filter cartridge are detachably connected and provided with a water inlet cover and a water outlet cover, and the water inlet cover or the water outlet cover is provided with Paddle, the crushing filter cartridge is provided with at least one feeding joint extending along its radial direction, the inner sleeve of the crushing filter cartridge is coaxially provided with an inner sleeve, and the inner sleeve is detachably installed with Porous hard pulverized cotton, the two ends of the inner casing are respectively connected with the water inlet hole of the water inlet cover and the water outlet hole of the water outlet cover.

Further, preferably, there are 2-4 feeding joints.

Further, preferably, the cross section of the inner sleeve is a quincunx structure.

Further, preferably, the bottom filter adsorption device includes a sand filter layer, a sponge layer, an activated carbon adsorption layer and an ultrafiltration membrane arranged in sequence from top to bottom, and the ultrafiltration membrane is a tapered structure with a small lower end.

Compared with prior art, the beneficial effect of the present invention is:

The sewage treatment device of the present invention is simple and reliable, can quickly realize the sewage treatment of a family or a certain building, the treatment is rapid, the cost of sewage treatment is low, and the water recycling in the family or building is realized. The aeration mixing tank can increase the oxygen of the sewage, and the mixing blade can also realize the preliminary crushing of individual large-particle organic matter, and then enter the crushing filter cartridge to crush the organic matter into fine structures, and then enter each nitrification treatment tank. Bacteria such as nitrifying bacteria on the porous ring in the nitrification treatment tank process organic matter, and then use bottom filter to filter to ensure water quality. In the present invention, the design of the porous ring structure is reasonable, which ensures the oxygen of various bacteria and The circulation effect is guaranteed. In addition, the crushing cylinder has a good crushing effect, and the required treatment substances can also be added to the feeding joint according to the actual water quality to ensure the quality of the treated water.

Description of drawings

Fig. 1 is the structural representation of a kind of domestic sewage treatment environmental protection device of the present invention;

Fig. 2 is a structural schematic diagram of an aeration stirring assembly of an environmental protection device for domestic sewage treatment in the present invention;

Fig. 3 is a schematic diagram of the porous ring structure of an environmental protection device for domestic sewage treatment in the present invention;

Fig. 4 is a structural schematic diagram of a crushing and filtering assembly of an environmental protection device for domestic sewage treatment in the present invention;

Among them, 1. Sedimentation tank, 2. Aeration mixing tank, 3. Treatment box, 4. Outlet pipe, 5. Clear water tank, 6. Filter screen, 7. Sewage connecting pipe, 8. Water pump, 9. Connecting pipe, 10 , stirring drive, 11, air outlet coil, 12, blowing pump, 13, crushing filter cartridge, 14, feeding joint, 15, nitrification treatment tank, 16, sand filter layer, 17, sponge layer, 18, activated carbon adsorption layer, 19 , ultrafiltration membrane, 20, middle stirring blade, 21, lower stirring blade, 22, porous ring, 23, fine hole, 24, central hole, 25, connecting teeth, 26, tooth hole, 27, water inlet cover, 28, Paddle, 29, porous hard pulverized cotton, 30, inner casing.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-4, the present invention provides a technical solution: an environmental protection device for domestic sewage treatment, which is characterized in that it includes a sedimentation tank 1, an aeration mixing tank 2, a treatment tank 3, an outlet pipe 4 and a clear water tank 5 , the sedimentation tank 1 is connected to the sewage discharge device through a sewage connecting pipe 7, the water outlet of the sedimentation tank 1 is connected to the aeration mixing tank 2 through a connection pipe 9, and the water outlet of the aeration mixing tank 2 is passed through The connecting pipe is connected to the treatment tank 3, and the water treated by the treatment tank 3 is connected to the clear water pool 5 through the outlet pipe 4, wherein the treatment tank 3 is provided with a crushing filter cartridge 13, a plurality of A nitrification treatment tank 15 and a bottom filter adsorption device, a plurality of the nitrification treatment tanks 15 are arranged in parallel on the outlet pipe of the crushing filter cartridge, and the water outlets of each of the nitrification treatment tanks 15 are connected to the bottom filter adsorption device superior.

In this embodiment, the crushing filter cartridge 13 is horizontally arranged at the inner upper end of the treatment box, and a plurality of nitrification treatment tanks 15 are vertically arranged below the crushing filter cartridge 13 in parallel, and the bottom filter The adsorption device is arranged at the bottom of the treatment box. At least one layer of filter screen 6 is arranged in the sedimentation tank, the water outlet end of the sewage connecting pipe is located below the filter screen 6, and the port of the connecting pipe connected with the water outlet of the sedimentation tank is located at the bottom of the filter screen 6 Above, a water pump 8 is provided on the connecting pipe between the sedimentation tank 1 and the aeration stirring tank 2 .

As a preferred embodiment, the inside of the oxygen-increasing stirring tank is coiled with an air outlet coil 11, and the air outlet coil 11 is densely provided with fine pores for gas to flow out. 12 connection, the aeration mixing tank is also provided with a stirring shaft, the stirring shaft is driven to rotate by the stirring driver, the stirring shaft is at least provided with an upper stirring blade, a middle stirring blade 20 and a lower stirring blade 21, the The upper stirring blade is responsible for stirring the water in the aeration mixing tank upwards, the middle stirring blade 20 is responsible for stirring the water in the aeration mixing tank to the side wall of the aeration mixing tank, and the lower stirring blade 21 is responsible for agitating the water in the aeration mixing tank. The water in the mixing tank is stirred downwards.

As shown in Figure 3, a plurality of porous rings 22 are arranged in each of the nitrification treatment tanks, and the porous rings 22 are cylindrical ring structures, and the center of the porous rings 22 is a central hole 24. Fine holes 23 are densely arranged, tooth holes 26 are arranged on the outer peripheral side wall of the porous ring 22 , and adjacent tooth holes 26 are separated by connecting teeth 25 .

As shown in Figure 4, the crushing filter cartridge is a long cylindrical structure, and the detachable connection between the inlet and outlet ends of the crushing filter cartridge 13 is provided with a water inlet cover 27 and a water outlet cover, and the water inlet cover or the water outlet cover Paddle 28 is arranged on it, and at least one feeding joint 14 extending along its radial direction is arranged on the crushing filter cartridge 13, and an inner casing 30 is coaxially sleeved in the crushing filter cartridge, and the inner casing Porous hard pulverized cotton 29 is detachably installed in 30, and the two ends of the inner casing 30 are respectively connected with the water inlet hole of the water inlet cover and the water outlet hole of the water outlet cover.

In this embodiment, there are three feeding joints, and substances such as pH adjusting reagents and adsorbents can be added to each feeding joint.

In order to increase the cross-sectional area of the filter, the cross-section of the inner sleeve is a quincunx structure. The bottom filter adsorption device includes a sand filter layer 16, a sponge layer 17, an activated carbon adsorption layer 18 and an ultrafiltration membrane 19 arranged in sequence from top to bottom, and the ultrafiltration membrane 19 is a tapered structure with a small lower end.

The sewage treatment device of the present invention is simple and reliable, can quickly realize the sewage treatment of a family or a certain building, the treatment is rapid, the cost of sewage treatment is low, and the water recycling in the family or building is realized. The aeration mixing tank can increase the oxygen of the sewage, and the mixing blade can also realize the preliminary crushing of individual large-particle organic matter, and then enter the crushing filter cartridge to crush the organic matter into fine structures, and then enter each nitrification treatment tank. Bacteria such as nitrifying bacteria on the porous ring in the nitrification treatment tank process organic matter, and then use bottom filter to filter to ensure water quality. In the present invention, the design of the porous ring structure is reasonable, which ensures the oxygen of various bacteria and The circulation effect is guaranteed. In addition, the crushing cylinder has a good crushing effect, and the required treatment substances can also be added to the feeding joint according to the actual water quality to ensure the quality of the treated water.

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

Claims (8)

1. a kind of sanitary sewage disposal environmental protecting device, which is characterized in that it includes sedimentation basin, oxygenation agitator tank, treatment box, water outlet Pipe and clear water reserviors, the sedimentation basin are connected to sewage discharger by sewage connecting tube, and the water outlet of the sedimentation basin passes through Connecting tube is connected to the oxygenation agitator tank, and the water outlet of the oxygenation agitator tank is connected to the treatment box by connecting tube, Treated that water is connected to the clear water reserviors by the outlet pipe for the treatment box, wherein, it is provided with powder in the treatment box Broken cartridge filter, multiple nitrification processing tanks and bottom filter adsorbent equipment, multiple nitrification processing tanks are arranged in parallel in the crushing On the outlet pipe of cartridge filter, the water outlet of each nitrification processing tank is connected on the bottom filter adsorbent equipment.

2. a kind of sanitary sewage disposal environmental protecting device according to claim 1, it is characterised in that：The crushing cartridge filter water The flat inner upper end for being arranged on the treatment box, multiple nitrification processing tanks it is parallel be vertically arranged in the crushing cartridge filter Lower section, bottom filter adsorbent equipment is arranged on the bottom of the treatment box.

3. a kind of sanitary sewage disposal environmental protecting device according to claim 2, it is characterised in that：It is set in the sedimentation basin There is at least one layer of strainer, the water outlet of the sewage connecting tube is located at the lower section of the strainer, and the water outlet with the sedimentation basin connects The port of the connecting tube connect is located at the top of the strainer, is set in the connecting tube between the sedimentation basin and the oxygenation agitator tank It is equipped with water pump.

4. a kind of sanitary sewage disposal environmental protecting device according to claim 3, it is characterised in that：The oxygenation agitator tank Inner disk is provided around out gas coil pipe, it is described go out gas coil pipe on the intensive fine pore for being provided with supplied gas outflow, the outlet Coil pipe is connected with external blower pump, agitating shaft is additionally provided in the oxygenation agitator tank, the agitating shaft is by stirring driver Driving rotates, and is responsible on the agitating shaft at least provided with upper paddle, intermediate agitation leaf and lower paddle, the upper paddle Water in oxygenation agitator tank is stirred upwards, the intermediate agitation leaf is responsible for the water in oxygenation agitator tank to oxygenation agitator tank Side wall stirs, and the lower paddle is responsible for stirring the water in oxygenation agitator tank downwards.

5. a kind of sanitary sewage disposal environmental protecting device according to claim 4, it is characterised in that：Each nitrification processing It is enumerated in tank and is provided with multiple porous rings, the porous ring is cylindrical ring structure, and centered on the center of the porous ring hole, institute State it is intensive in porous ring be provided with pore, be provided with perforation on the excircle side wall of the porous ring, between adjacent perforation by Tooth connection is spaced apart.

6. a kind of sanitary sewage disposal environmental protecting device according to claim 5, it is characterised in that：It is described crushing cartridge filter be Long cylindrical structure, it is described crush cartridge filter disengaging both ends be removably connected with into water cover and outflow cover for water, it is described into Blade is provided on water cover or outflow cover for water, being provided at least one charging radially extended along it on the crushing cartridge filter connects Head, coaxial sleeve is equipped with interior sheath body in the crushing cartridge filter, and porous hard is removably equiped in the interior sheath body and crushes cotton, The both ends of the interior sheath body are connected respectively with the apopore into the inlet opening of water cover, outflow cover for water.

7. a kind of sanitary sewage disposal environmental protecting device according to claim 6, it is characterised in that：The charging connector is 2- 4.

8. a kind of sanitary sewage disposal environmental protecting device according to claim 6, it is characterised in that：The interior sheath body it is transversal Face is plum-shaped structure.