CN210163211U - Biological sewage treatment device - Google Patents

Abstract

The application provides a biological sewage treatment device, including a jar body, set up the drive arrangement at jar body top, set up the water inlet in jar body top one side, set up the edulcoration device on jar internal upper portion, set up the annular slab in edulcoration device below, set up the drain in the annular slab top, set up biological treatment device and dissolved oxygen device on the annular slab to and set up the outlet in jar body bottom. The device is provided with the impurity removal device, so that larger solid impurities in the sewage can be filtered, and the subsequent treatment of the sewage is facilitated; the biological treatment device is arranged, wherein the cylindrical frame body is connected with the lower end of the rotating shaft, the rotating shaft drives the biological treatment device to rotate, the contact area of the biological treatment device and sewage and the sewage treatment efficiency are greatly improved under the action of centrifugal force and water flow, and the using amount of microorganisms is reduced; the oxygen dissolving device is arranged, so that the dissolved oxygen content in the sewage is greatly improved, the activity of aerobic microorganisms is improved, and the sewage treatment efficiency and treatment effect are further improved.

Description

Biological sewage treatment device

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a biological sewage treatment device.

Background

The biological sewage treatment is to decompose and purify organic pollutants in sewage by microorganisms, and in the treatment process, microorganism strains are usually cultured to be attached to a filter disc or a filter material, then sewage is introduced into the filter material or the filter disc, and the sewage is filtered by the decomposition and purification of the microorganisms.

The existing microorganism sewage treatment tank generally adopts the following structure that the tank comprises a tank body, wherein the upper part of the tank body is provided with a water inlet pipe, the bottom of the tank body is provided with a water outlet, a plurality of microorganism carrier filler filter layers are arranged in the tank body from top to bottom, when in sewage treatment, sewage flows through the microorganism carrier filler filter layers from top to bottom in sequence and then is discharged from the water outlet, the utilization rate of each microorganism carrier filler filter layer is lower, the using amount of microorganisms is large, and the cost is high; simultaneously, when handling, the oxygen content of treatment chamber inside is lower to lead to the oxygen content in the sewage lower, can't effectively improve good oxygen microorganism activity, and then influenced the sewage treatment effect.

Therefore, in view of the above situation, there is an urgent need to develop a biological sewage treatment apparatus to overcome the shortcomings in the current practical applications.

Disclosure of Invention

The present application provides a biological sewage treatment apparatus for solving the above-mentioned technical problems.

The technical scheme adopted by the application is as follows: a biological sewage treatment device is characterized by comprising a tank body, a driving device arranged at the top of the tank body, a water inlet arranged at one side of the top of the tank body, an impurity removal device arranged at the upper part in the tank body, an annular plate arranged below the impurity removal device, a sewage discharge outlet arranged above the annular plate, a biological treatment device and an oxygen dissolving device arranged on the annular plate, and a water outlet arranged at the bottom of the tank body;

the driving device comprises a driving motor arranged at the top of the tank body and a rotating shaft arranged in the tank body and connected with the output end of the driving motor; the impurity removing device comprises an annular groove arranged on the inner wall of the tank body, a filter screen arranged on the annular groove, a cleaning brush arranged on the filter screen and one end of the cleaning brush is fixed on the rotating shaft, and a plurality of impurity removing ports arranged on the outer side of the tank body, wherein the impurity removing ports are communicated with the annular groove; the biological treatment device comprises a cylindrical frame body with a downward opening, microbial fillers arranged in the cylindrical frame body and a filter cylinder with a downward opening arranged on the inner side of the annular plate, the cylindrical frame body comprises an outer cylinder body and an inner cylinder body which are of a net structure, the microbial fillers are arranged between the outer cylinder body and the inner cylinder body, and the lower end of the rotating shaft penetrates through the filter screen and is connected with the upper part of the cylindrical frame body; the oxygen dissolving device comprises an oxygen increasing device, a first gas pipe, an oxygen increasing adjusting piece, a second gas pipe and an annular oxygen increasing pipe, wherein the oxygen increasing device is arranged on the outer side of the tank body and is communicated with one side of the oxygen increasing adjusting piece arranged on the tank body through the first gas pipe, the other side of the oxygen increasing adjusting piece is communicated with the upper end of the second gas pipe, the second gas pipe is arranged in the side wall of the tank body, the lower end of the second gas pipe is connected with the annular oxygen increasing pipe arranged on the annular plate, and the annular oxygen increasing pipe is arranged on the outer side of the cylindrical support body.

Furthermore, the biological treatment device also comprises a guide sliding structure, the guide sliding structure comprises an annular base arranged on the annular plate, an annular groove arranged on the base and an annular guide sliding block arranged below the cylindrical support body and matched with the annular groove, and a through hole is formed in the annular base.

Furthermore, a plurality of stirring rods are arranged on the outer side of the cylindrical frame body.

Further, the cartridge filter includes netted barrel and sets up the non-woven fabrics filter screen in the netted barrel outside.

Further, oxygenation regulating part includes box, horizontal baffle, vertical baffle, connecting rod, pinion rack, vertical mount, rotatory pole and the gear of twisting, horizontal baffle sets up in the box and cuts apart into box and lower box with the box, vertical baffle sets up at horizontal baffle middle part and passes horizontal baffle slip setting in the box down, the vertical baffle both sides of box are linked together with first gas-supply pipe and second gas-supply pipe respectively down, vertical baffle top is equipped with the connecting rod, the connecting rod upper end is passed the box roof and is linked to each other with the pinion rack, vertical mount sets up on box upper portion, the pinion rack slides and sets up on vertical mount, rotatory pole that twists is rotatory to be set up on vertical mount, rotatory pole that twists is equipped with the gear with pinion rack engaged with.

The application has the advantages and positive effects that: the biological sewage treatment device is provided with the impurity removal device, so that large solid impurities in sewage can be preliminarily filtered, and the subsequent treatment of the sewage is facilitated; a biological treatment device is arranged below the impurity removal device, a cylindrical frame body of the biological treatment device is connected with the lower end of a rotating shaft, the rotating shaft drives the biological treatment device to rotate, and under the action of centrifugal force and water flow, the contact area of the biological treatment device and sewage and the sewage treatment efficiency are greatly improved, the using amount of microorganisms is reduced, and the cost is reduced; through being equipped with dissolved oxygen device, improved the dissolved oxygen volume in the pending sewage greatly, improved good oxygen microorganism activity, further improved sewage treatment efficiency and treatment effect.

In addition to the technical problems addressed by the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the present application, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a biological sewage treatment apparatus provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a driving device provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an impurity removal device provided in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a biological treatment apparatus provided in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of an oxygen dissolving device provided in an embodiment of the present application;

FIG. 6 is a structural diagram of a slide guide structure provided in an embodiment of the present application;

FIG. 7 is a schematic view of a stir bar provided by an embodiment of the present application;

FIG. 8 is a schematic view of a filter cartridge according to an embodiment of the present disclosure;

fig. 9 is a schematic structural view of an oxygen increasing adjusting member provided in the embodiment of the present application.

In the figure: 1, a tank body; 2 a driving device; 210 driving a motor; 220 a rotating shaft; 3, a water inlet; 4, an impurity removing device; 410 an annular groove; 420, a filter screen; 430 cleaning brush; 440 impurity removal ports; 5, a ring-shaped plate; 6, a sewage draining outlet; 7 a biological treatment device; 710 a cylindrical frame body; 711 outer cylinder body; 712 an inner cylinder; 713 stirring rods; 720 microbial filler; 730, a filter cartridge; 731 a mesh cylinder; 732 nonwoven screens; 740 a slide guide structure; 741 an annular base; 741a through hole; 742 an annular groove; 743 a slip ring; 8, an oxygen dissolving device; 810 an oxygenator; 820 a first air delivery conduit; 830 oxygenation adjusting pieces; 831a box body; 831a, loading the box body; 831b lower box body; 832 horizontal partitions; 833 vertical separators; 834 a connecting rod; 835 toothed plate; 836 vertical fixing rack; 837 rotating the screw rod; 838 gear; 840 a second gas delivery conduit; 850 ring-shaped oxygenation tubes; 9 Water outlet

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, 2, 3, 4 and 5, a biological sewage treatment device comprises a tank body 1, a driving device 2 arranged at the top of the tank body 1, a water inlet 3 arranged at one side of the top of the tank body 1, an impurity removing device 4 arranged at the upper part in the tank body 1, an annular plate 5 arranged below the impurity removing device 4, a sewage outlet 6 arranged above the annular plate 5, a biological treatment device 7 and an oxygen dissolving device 8 arranged on the annular plate 5, and a water outlet 9 arranged at the bottom of the tank body 1;

the driving device 2 comprises a driving motor 210 arranged at the top of the tank body 1 and a rotating shaft 220 arranged in the tank body 1 and connected with the output end of the driving motor 210; the impurity removing device 4 comprises an annular groove 410 arranged on the inner wall of the tank body 1, a filter screen 420 arranged on the annular groove 410, a cleaning brush 430 arranged on the filter screen 420 and having one end fixed on the rotating shaft 220, and a plurality of impurity removing ports 440 arranged on the outer side of the tank body 1, wherein the impurity removing ports 440 are communicated with the annular groove 410; the biological treatment device 7 comprises a cylindrical frame body 710 with a downward opening, microbial fillers 720 arranged in the cylindrical frame body 710 and a filter cylinder 730 with a downward opening arranged on the inner side of the annular plate 5, wherein the cylindrical frame body 710 comprises an outer cylinder 711 and an inner cylinder 712 which are of a net structure, the microbial fillers 720 are arranged between the outer cylinder 711 and the inner cylinder 712, and the lower end of the rotating shaft 220 passes through the filter screen 420 and is connected with the upper part of the cylindrical frame body 710; the oxygen dissolving device 8 comprises an oxygen increasing device 810, a first air conveying pipe 820, an oxygen increasing adjusting piece 830, a second air conveying pipe 840 and an annular oxygen increasing pipe 850, wherein the oxygen increasing device 810 is arranged on the outer side of the tank body 1 and is communicated with one side of the oxygen increasing adjusting piece 830 arranged on the tank body 1 through the first air conveying pipe 820, the other side of the oxygen increasing adjusting piece 830 is communicated with the upper end of the second air conveying pipe 840, the second air conveying pipe 840 is arranged in the side wall of the tank body 1, the lower end of the second air conveying pipe is connected with the annular oxygen increasing pipe 850 arranged on the annular plate 5, and the annular oxygen increasing pipe 850 is arranged on the outer side of the cylindrical frame body 710.

In the embodiment, the driving motor 210 is fixed in the middle of the top of the tank body 1, the output end is connected with the rotating shaft 220 in the tank body 1, the water inlet 3 is arranged at one side of the driving motor 210 at the top of the tank body 1, the impurity removing device 4 is arranged below the water inlet 3 in the tank body 1, the impurity removing device 4 comprises an annular groove 410, a filter screen 420, a cleaning brush 430 and a plurality of impurity removing openings 440, the annular groove 410 is fixedly arranged on the inner wall of the tank body 1, the filter screen 420 is arranged at one side of the annular groove 410 close to the axis of the tank body 1, the lower end of the rotating shaft 220 penetrates through the filter screen 420, the cleaning brush 430 is arranged at the upper part of the filter screen 420, one end of the cleaning brush 430 is fixed on the rotating shaft 220, during operation, the filter screen 420 performs primary treatment on sewage, larger solid impurities in the sewage are filtered, the rotating shaft, a plurality of impurity removing openings 440 are formed outside the tank body 1, and the impurity removing openings 440 are communicated with the annular groove 410, so that impurities can be conveniently cleaned; the biological treatment device 7 is arranged below the impurity removing device 4, the biological treatment device 7 comprises a cylindrical frame body 710 with a downward opening, microbial fillers 720 arranged in the cylindrical frame body 710 and a filter cylinder 730 arranged on the inner side of the annular plate 5 and with a downward opening, the cylindrical frame body 710 comprises an outer cylinder body 711 and an inner cylinder body 712 which are of a net structure, the microbial fillers 720 are arranged between the outer cylinder body 711 and the inner cylinder body 712, the rotating shaft 220 is fixedly connected with the upper part of the cylindrical frame body 710, and the cylindrical frame body 710 can rotate along with the rotating shaft 220. During operation, the rotating shaft 220 drives the biological treatment device 7 to rotate, so that under the action of centrifugal force and water flow, the contact area between the biological treatment device 7 and sewage and the sewage treatment efficiency are greatly improved, the using amount of microorganisms is reduced, and the cost is reduced. In the embodiment, an oxygen dissolving device 8 is provided, in the oxygen dissolving device 8, an oxygen increasing device 810 is connected with one side of an oxygen increasing adjusting piece 830 arranged on a tank body 1 through a first air pipe 820, the other side of the oxygen increasing adjusting piece 830 is communicated with the upper end of a second air pipe 840, the second air pipe 840 is arranged in the side wall of the tank body 1, the lower end of the second air pipe 840 is connected with an annular oxygen increasing pipe 850 arranged on an annular plate 5, and when the oxygen dissolving device 8 works, oxygen can be input into the tank body 1 through the oxygen increasing device 810; the dissolved oxygen volume in the pending sewage is greatly improved, and then the aerobic microbial activity is improved, simultaneously, sewage treatment efficiency and treatment effect have further been improved, in this embodiment, be equipped with oxygenation regulating part 830, can adjust the volume that oxygen got into jar body 1 as required, improved the device's range of application greatly.

As shown in fig. 6, in a preferred embodiment, the biological treatment apparatus 7 further includes a sliding guide structure 740, the sliding guide structure 740 includes an annular base 741 disposed on the annular plate 5, an annular groove 742 disposed on the base, and a sliding guide ring 743 disposed below the cylindrical frame body 710 and engaged with the annular groove 742, and the annular base 741 is provided with a through hole 741 a.

In this embodiment, the sliding guide structure 740 is a supporting sliding guide structure 740 of the biological treatment device 7, the annular base 741 is disposed on the annular plate 5, the annular groove 742 is disposed on the annular base 741, and the sliding guide ring 743 is fixed at the circumferential end of the lower portion of the cylindrical frame body 710 and is matched with the annular groove 742, so that the stability of the biological treatment device 7 during rotation is greatly improved; the through hole 741a is arranged below the annular base 741, so that the inside and the outside of the cylindrical frame body 710 can simultaneously treat sewage conveniently, the utilization rate of the microbial filler 720 is greatly improved, and the sewage treatment efficiency is improved.

As shown in fig. 7, in a preferred embodiment, a plurality of stirring rods 713 are disposed outside the cylindrical frame body 710.

In this embodiment, the cylindrical frame body 710 is provided with a plurality of stirring rods 713 on the outer side, and during operation, the stirring rods 713 stir the sewage to be treated along with the rotation of the biological treatment device 7, so that the fluidity of the sewage is improved, the contact between the microbial filler 720 and the sewage is further improved, and the sewage treatment efficiency by the microbes is further improved.

As shown in fig. 8, in a preferred embodiment, the filter cartridge 730 includes a mesh cylinder 731, and a non-woven fabric filter 732 disposed outside the mesh cylinder 731. In this embodiment, the filter cartridge 730 includes a net-shaped cylinder 731 and a non-woven fabric filter 732, the non-woven fabric filter 732 is disposed outside the net-shaped cylinder 731, and the non-woven fabric filter 732 can block off metabolites generated by microorganisms on the microorganism packing 720, thereby greatly improving the effect of sewage treatment of the biological sewage apparatus.

As shown in fig. 9, in a preferred embodiment, the aeration adjusting member 830 includes a box 831, a horizontal partition 832, a vertical partition 833, a connecting rod 834, a toothed plate 835, a vertical fixing frame 836, a rotating screw rod 837 and a gear 838, the horizontal partition 832 is disposed in the box 831 and divides the box 831 into an upper box 831a and a lower box 831b, the vertical partition 833 is disposed in the middle of the horizontal partition 832 and slidably disposed in the lower box 831b through the horizontal partition 832, two sides of the vertical partition 833 of the lower box 831b are respectively communicated with a first air pipe 820 and a second air pipe 840, the connecting rod 834 is disposed above the vertical partition 833, the upper end of the connecting rod 834 passes through the top wall of the box 831 to be connected with the toothed plate 835, the vertical fixing frame 836 is slidably disposed on the vertical fixing frame 836, the rotating screw rod 837 is rotatably disposed on the vertical fixing frame 836, the rotary screw 837 is provided with a gear 838 which is engaged with the toothed plate 835.

In this embodiment, the horizontal partition 832 divides the box 831 into an upper box 831a and a lower box 831b, the vertical partition 833 passes through the middle of the horizontal partition 832 and is slidably disposed in the lower box 831b, the vertical partition 833 can divide the lower box 831b into two chambers with good sealing performance, and the first air pipe 820 and the second air pipe 840 are respectively communicated with the chambers at two sides of the partition; in this embodiment, vertical baffle 833 upper portion is equipped with connecting rod 834, the connecting rod 834 upper end is passed the box 831 top and is linked to each other with pinion rack 835, box 831 upper portion is equipped with vertical mount 836, pinion rack 835 slides and sets up on vertical mount 836, rotatory tightening rod 837 is rotatory to be set up on vertical mount 836, be equipped with the gear 838 with pinion rack 835 meshing on the rotatory tightening rod 837, in operation, can lift or descend vertical baffle 833 through rotatory tightening rod 837 of operation, and then the volume of the control oxygen entering jar body 1, the range of application of the device has been improved greatly.

The embodiments of the present application have been described in detail, but the description is only for the preferred embodiments of the present application and should not be construed as limiting the scope of the application. All equivalent changes and modifications made within the scope of the present application shall fall within the scope of the present application.

Claims (5)

1. A biological sewage treatment device is characterized by comprising a tank body (1), a driving device (2) arranged at the top of the tank body (1), a water inlet (3) arranged at one side of the top of the tank body (1), an impurity removal device (4) arranged at the upper part in the tank body (1), an annular plate (5) arranged below the impurity removal device (4), a sewage outlet (6) arranged above the annular plate (5), a biological treatment device (7) and an oxygen dissolving device (8) arranged on the annular plate (5), and a water outlet (9) arranged at the bottom of the tank body (1);

the driving device (2) comprises a driving motor (210) arranged at the top of the tank body (1) and a rotating shaft (220) arranged in the tank body (1) and connected with the output end of the driving motor (210); the impurity removing device (4) comprises an annular groove (410) arranged on the inner wall of the tank body (1), a filter screen (420) arranged on the annular groove (410), a cleaning brush (430) arranged on the filter screen (420) and one end of the cleaning brush is fixed on the rotating shaft (220), and a plurality of impurity removing openings (440) arranged on the outer side of the tank body (1), wherein the impurity removing openings (440) are communicated with the annular groove (410); the biological treatment device (7) comprises a cylindrical frame body (710) with a downward opening, microbial fillers (720) arranged in the cylindrical frame body (710) and a filter cartridge (730) arranged on the inner side of the annular plate (5) with a downward opening, wherein the cylindrical frame body (710) comprises an outer cylinder body (711) and an inner cylinder body (712) which are of a net structure, the microbial fillers (720) are arranged between the outer cylinder body (711) and the inner cylinder body (712), and the lower end of the rotating shaft (220) penetrates through the filter screen (420) and is connected with the upper part of the cylindrical frame body (710); the oxygen dissolving device (8) comprises an oxygen increasing device (810), a first air conveying pipe (820), an oxygen increasing adjusting piece (830), a second air conveying pipe (840) and an annular oxygen increasing pipe (850), wherein the oxygen increasing device (810) is arranged on the outer side of the tank body (1) and communicated with one side of the oxygen increasing adjusting piece (830) arranged on the tank body (1) through the first air conveying pipe (820), the other side of the oxygen increasing adjusting piece (830) is communicated with the upper end of the second air conveying pipe (840), the second air conveying pipe (840) is arranged in the side wall of the tank body (1), the lower end of the second air conveying pipe is connected with the annular oxygen increasing pipe (850) arranged on the annular plate (5), and the annular oxygen increasing pipe (850) is arranged on the outer side of the cylindrical frame body (710).

2. The biological wastewater treatment apparatus according to claim 1, wherein the biological wastewater treatment apparatus (7) further comprises a sliding guide structure (740), the sliding guide structure (740) comprises an annular base (741) disposed on the annular plate (5), an annular groove (742) disposed on the annular base (741), and a sliding guide ring (743) disposed below the cylindrical frame body (710) and engaged with the annular groove (742), and the annular base (741) is provided with a plurality of through holes (741 a).

3. The biological sewage treatment apparatus according to claim 2, wherein a plurality of stirring rods (713) are provided outside the cylindrical frame body (710).

4. The biological wastewater treatment apparatus according to claim 3, wherein the filter cartridge (730) includes a mesh cylinder (731), and a non-woven fabric filter (732) disposed outside the mesh cylinder (731).

5. The biological sewage treatment device according to claim 4, wherein the aeration adjusting member (830) comprises a box body (831), a horizontal partition plate (832), a vertical partition plate (833), a connecting rod (834), a toothed plate (835), a vertical fixing frame (836), a rotary screw rod (837) and a gear (838), the horizontal partition plate (832) is arranged in the box body (831) and divides the box body (831) into an upper box body (831a) and a lower box body (831b), the vertical partition plate (833) is arranged in the middle of the horizontal partition plate (832) and slides through the horizontal partition plate (832) in the lower box body (831b), two sides of the vertical partition plate (833) of the lower box body (831b) are respectively communicated with the first air pipe (820) and the second air pipe (840), the connecting rod (833) is arranged above the vertical partition plate (833), the upper end of the connecting rod (834) passes through the top wall of the box body (831) and is connected with the toothed plate (835), the vertical fixing frame (836) is arranged on the upper portion of the box body (831), the toothed plate (835) is slidably arranged on the vertical fixing frame (836), the rotating screwing rod (837) is rotatably arranged on the vertical fixing frame (836), and a gear (838) meshed with the toothed plate (835) is arranged on the rotating screwing rod (837).

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