CN219326657U

CN219326657U - Anaerobic reactor for municipal sewage

Info

Publication number: CN219326657U
Application number: CN202320224725.3U
Authority: CN
Inventors: 郭力中; 王小利; 丁玉祥; 张新芳; 王小娟
Original assignee: Henan Ditian Construction Co ltd
Current assignee: Henan Ditian Construction Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-07-11
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to an anaerobic reactor for municipal sewage, which belongs to the technical field of sewage treatment and comprises a reactor body with a barrel-shaped structure with an opening at the top; the cover body is used for providing a closed treatment space for anaerobic treatment; the rotating frame is rotatably arranged in the reactor body, and a biological reaction membrane for treating sewage is arranged on the rotating frame; the driving mechanism is used for driving the rotating frame to rotate within a certain range, so that the sludge accumulated on the biological reaction membrane is unloaded, and the biological reaction membrane can be recycled; the aeration mechanism is used for conveying the sludge at the bottom end inside the reactor body upwards to the biological reaction membrane for treatment, and unloading the sludge accumulated on the biological reaction membrane through the driving mechanism after the treatment is finished; the utility model is beneficial to prolonging the service life of the biological reaction membrane, and the arrangement of the aeration mechanism can enable sewage and sludge to be treated more fully so as to achieve good water treatment effect.

Description

Anaerobic reactor for municipal sewage

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to an anaerobic reactor for municipal sewage.

Background

Along with the rapid development of the urban process, more and more sewage is generated in daily life, however, water resources are seriously in shortage for our country, so that reasonable treatment of sewage generated by various channels and application to reasonable places are needed;

in general, anaerobic treatment is required when sewage is treated, and sewage and sludge in a reactor are required to be subjected to anaerobic reaction under the action of anaerobic bacteria during anaerobic treatment so as to achieve a good sewage treatment effect.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the anaerobic reactor for municipal sewage, which is favorable for prolonging the service life of a biological reaction membrane, and meanwhile, the arrangement of the aeration mechanism can enable sewage and sludge to be treated more fully so as to achieve a good water treatment effect.

The technical scheme of the utility model is as follows:

an anaerobic reactor for municipal sewage, which comprises a reactor body with a barrel-shaped structure with an open top, and is used for providing a containing space for anaerobic treatment of sewage; the cover body is in sealing connection with the top opening of the reactor body and is used for providing a closed treatment space for anaerobic treatment; the rotating frame is rotatably arranged in the reactor body, and a biological reaction membrane for treating sewage is arranged on the rotating frame; the driving mechanism is arranged on the outer wall of the reactor body and used for driving the rotating frame to rotate within a certain range so as to unload the sludge accumulated on the biological reaction membrane, so that the biological reaction membrane can be recycled; the aeration mechanism is arranged at the bottom end inside the reactor body and is used for conveying the sludge positioned at the bottom end inside the reactor body upwards to the biological reaction membrane for treatment, and the sludge accumulated on the biological reaction membrane is unloaded through the driving mechanism after the treatment is finished.

Further, the rotating frame is divided into an upper layer and a lower layer, each layer is provided with two layers, and the side wall of the reactor body is rotatably provided with a shaft rod fixedly connected with the rotating frame and driven to rotate by the driving mechanism.

Further, the driving mechanism comprises a telescopic cylinder arranged on the outer wall of the reactor body, a rack is slidably arranged on the outer wall of the reactor body, a driving gear is arranged at one end of the shaft rod extending out of the outer side of the reactor body, and a transition gear meshed with the driving gear and the rack is rotatably arranged on the outer wall of the reactor body.

Further, the outer wall of the reactor body is provided with a guide rail positioned below the telescopic cylinder along the vertical direction, a T-shaped groove is formed in the guide rail, and one side of the rack, facing the guide rail, is provided with a T-shaped sliding block matched with the T-shaped groove.

Further, a water inlet, a sludge discharge port and an air inlet are formed in the lower end of the reactor body, a water outlet is formed in the upper end of the reactor body, and an air outlet for discharging and collecting gas generated by the internal treatment of the reactor body is formed in the cover body.

Further, the aeration mechanism comprises a plurality of aeration discs arranged at the lower end inside the reactor body, and the aeration discs are communicated with each other through pipelines and the air inlet.

Further, an inclined guide surface is provided at the inner bottom of the reactor body.

Further, a heating body is arranged on the outer wall of the reactor body, and a heat insulating body is arranged on the periphery of the heating body.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the aeration mechanism can enable sludge at the lower end inside the reactor body to rise to the biological reaction membrane for membrane treatment, when the sludge is treated, the sludge on the biological reaction membrane can be unloaded to the lower end inside the reactor body through the driving mechanism for discharge, so that the service life of the biological reaction membrane is prolonged, and meanwhile, the sewage and the sludge can be treated more fully by the arrangement of the aeration mechanism, so that a good water treatment effect is achieved.

In a word, the utility model is beneficial to prolonging the service life of the biological reaction membrane, and the setting of the aeration mechanism can make sewage and sludge be treated more fully so as to achieve good water treatment effect.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a schematic cross-sectional view taken along line A-A of fig. 2.

Fig. 4 is a partially enlarged schematic view of the portion B in fig. 3.

Fig. 5 is a schematic partial cross-sectional view of the present utility model.

In the figure, 10, a reactor body, 11, an inclined guide surface, 12, a heating body, 13, a heat insulating body, 20, a cover body, 30, a rotating frame, 31, a biological reaction membrane, 32, a shaft rod, 321, a driving gear, 40, a driving mechanism, 41, a telescopic cylinder, 42, a rack, 421, a T-shaped slide block, 43, a transition gear, 44, a guide rail, 441, a T-shaped groove, 50, an aeration mechanism, 51, an aeration disc, 60, a water inlet, 70, a sludge discharge port, 80, a water outlet, 90, an exhaust port, 100 and an air inlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, an anaerobic reactor for municipal sewage comprises a reactor body 10 having a tub-like structure with an open top for providing a receiving space for anaerobic treatment of sewage and capable of providing an appropriate treatment temperature for sewage in the reactor body 10; a cover body 20 is arranged at the opening at the upper end of the reactor body 10, and the cover body 20 is in sealing connection with the opening at the top of the reactor body 10 and is used for providing a closed treatment space for anaerobic treatment; a rotating frame 30 rotatably provided in the reactor body 10, a biological reaction membrane 31 for treating sewage being provided on the rotating frame 30; the driving mechanism 40 is arranged on the outer wall of the reactor body 10 and is used for driving the rotating frame 30 to rotate within a certain range, so as to unload the sludge stored on the biological reaction membrane 31, thereby being convenient for recycling the biological reaction membrane 31; the aeration mechanism 50 is arranged at the bottom end inside the reactor body 10 and is used for conveying the sludge at the bottom end inside the reactor body 10 upwards to the biological reaction membrane 31 for treatment, and unloading the sludge accumulated on the biological reaction membrane 31 through the driving mechanism 40 after the treatment is finished; a water inlet 60, a sludge discharge port 70 and an air inlet 100 are provided at the lower end of the reactor body 10, a water outlet 80 is provided at the upper end of the reactor body 10, and an air outlet 90 for discharging and collecting the gas generated by the treatment in the reactor body 10 is provided on the cover 20.

In this embodiment, as shown in fig. 1, 2 and 5, the rotating frame 30 is divided into four layers, i.e., two layers, and a shaft lever 32 fixedly connected to the rotating frame 30 is rotatably provided on the side wall of the reactor body 10, and the shaft lever 32 is driven to rotate by a driving mechanism 40.

In this embodiment, as shown in fig. 1, 2, 4 and 5, the driving mechanism 40 includes a telescopic cylinder 41 disposed on an outer wall of the reactor body 10, a rack 42 slidably disposed on the outer wall of the reactor body 10, the rack 42 drives the telescopic cylinder 41 to slide up and down on the outer wall of the reactor body 10, a driving gear 321 is disposed at an end of the shaft 32 extending out of the reactor body 10, a transition gear 43 engaged with the driving gear 321 and the rack 42 is rotatably disposed at an outer wall of the reactor body 10, teeth are disposed at both sides of the rack 42 so that the rotating frames 30 at both sides of the rack 42 can rotate simultaneously when the rack 42 moves up and down, and the extending and retracting of the telescopic end of the telescopic cylinder 41 drives the rack 42 to move up and down, thereby driving the transition gear 43 to rotate, so as to realize simultaneous rotation of the rotating frames 30 in the reactor body 10;

the outer wall of the reactor body 10 is provided with a guide rail 44 positioned below the telescopic cylinder 41 along the vertical direction, the guide rail 44 is provided with a T-shaped groove 441, one side of the rack 42, which faces the guide rail 44, is provided with a T-shaped slide block 421 matched with the T-shaped groove 441, and then the rack 42 can stably slide on the guide rail 44 under the action of the telescopic cylinder 41.

In this embodiment, as shown in fig. 1 to 5, the aeration mechanism 50 includes a plurality of aeration discs 51 disposed at the lower end of the inner portion of the reactor body 10, the aeration discs 51 are communicated with each other by a pipe and are communicated with the air inlet 100, when the sewage to be treated is conveyed into the reactor body 10 through the water inlet 60, the sewage level in the reactor body 10 is slowly raised from bottom to top, some sludge in the sewage can be deposited at the bottom in the reactor body 10 so that the part of sludge can not be sufficiently treated by the biological reaction membrane 31, therefore, in order to better treat the part of sludge, the sludge at the bottom in the reactor body 10 needs to be firstly lifted to the biological reaction membrane 31 through the aeration mechanism 50 after the rotating frame 30 is rotated by 60 ° -70 ° with respect to the vertical direction by the driving mechanism 40, and when the sewage at the inner portion of the biological reaction membrane 31 is treated, the rotating frame 30 is rotated to a vertical state by the driving mechanism 40, so that the sludge at the biological reaction membrane 31 can be slowly discharged to the inner bottom of the reactor body 10, and when the sludge at the inner bottom of the reactor body 10 is stored in a certain amount, the sludge can be discharged out of the reactor body 10 through the sludge outlet 70;

in order to allow a better collection of sludge in the reactor body 10, an inclined guide surface 11 may be provided at the bottom of the reactor body 10.

In order to maintain the sewage and sludge in the reactor body 10 to be treated well, a heating body 12 may be provided on the outer wall of the reactor body 10, and a heat insulator 13 may be provided on the outer circumference of the heating body 12, so that the sewage in the reactor body 10 can be maintained at a proper temperature.

The specific working principle is as follows: the heating body 12 is firstly opened to enable the temperature in the reactor body 10 to rise to a proper temperature, then sewage to be treated enters the reactor body 10 through the water inlet 60 under the action of the water pump and keeps the temperature in the reactor body 10 in a proper state, then the sewage liquid level in the reactor body 10 slowly rises from bottom to top, some sludge in the sewage can be deposited at the inner bottom of the reactor body 10, then the rotating frame 30 is rotated by the driving mechanism 40 to form an included angle of 60-70 degrees with the vertical direction, then the sludge at the inner bottom of the reactor body 10 is lifted to the biological reaction membrane 31 by the aeration mechanism 50, after the biological reaction membrane 31 is treated for a period of time, the rotating frame 30 is rotated to be in a vertical state by the driving mechanism 40, so that the sludge on the biological reaction membrane 31 can be slowly discharged to the inner bottom of the reactor body 10, a certain amount of useful gas can be generated after the sewage is treated, at the moment, the gas can be collected and stored through the gas treatment and reused, and when the sludge at the inner bottom of the reactor body 10 is stored to a certain amount, the sludge can be discharged out of the reactor 10 through the sludge outlet 70.

Claims

1. An anaerobic reactor for municipal wastewater, comprising:

a reactor body (10) having a barrel-shaped structure with an open top for providing a receiving space for anaerobic treatment of sewage;

the cover body (20), the top opening of the cover body (20) and the reactor body (10) are connected in a sealing way, and are used for providing a closed treatment space for anaerobic treatment;

a rotating frame (30) rotatably arranged in the reactor body (10), wherein a biological reaction membrane (31) for treating sewage is arranged on the rotating frame (30);

the driving mechanism (40) is arranged on the outer wall of the reactor body (10) and is used for driving the rotating frame (30) to rotate within a certain range so as to unload the sludge accumulated on the biological reaction membrane (31) to facilitate the recycling of the biological reaction membrane (31);

the aeration mechanism (50) is arranged at the bottom end inside the reactor body (10) and is used for conveying the sludge positioned at the bottom end inside the reactor body (10) upwards to the biological reaction membrane (31) for treatment, and unloading the sludge stored on the biological reaction membrane (31) through the driving mechanism (40) after the treatment is finished.

2. An anaerobic reactor for municipal sewage according to claim 1, wherein: the rotating frame (30) is divided into an upper layer and a lower layer, each layer is provided with two layers, and a shaft lever (32) which is fixedly connected with the rotating frame (30) and drives the rotating frame to rotate through the driving mechanism (40) is rotationally arranged on the side wall of the reactor body (10).

3. An anaerobic reactor for municipal sewage according to claim 2, wherein: the driving mechanism (40) comprises a telescopic cylinder (41) arranged on the outer wall of the reactor body (10), a rack (42) arranged on the outer wall of the reactor body (10) in a sliding manner, a driving gear (321) arranged at one end of the shaft rod (32) extending out of the outer side of the reactor body (10), and a transition gear (43) meshed with the driving gear (321) and the rack (42) at the same time and arranged on the outer wall of the reactor body (10) in a rotating manner.

4. An anaerobic reactor for municipal sewage according to claim 3, wherein: the outer wall of the reactor body (10) is provided with a guide rail (44) positioned below the telescopic cylinder (41) along the vertical direction, a T-shaped groove (441) is formed in the guide rail (44), and one side of the rack (42) facing the guide rail (44) is provided with a T-shaped sliding block (421) matched with the T-shaped groove (441).

5. An anaerobic reactor for municipal sewage according to claim 1, wherein: the reactor comprises a reactor body (10), and is characterized in that a water inlet (60), a sludge discharge port (70) and an air inlet (100) are formed in the lower end of the reactor body (10), a water outlet (80) is formed in the upper end of the reactor body (10), and an air outlet (90) for discharging and collecting gas generated in the reactor body (10) is formed in a cover body (20).

6. An anaerobic reactor for municipal sewage according to claim 5, wherein: the aeration mechanism (50) comprises a plurality of aeration discs (51) arranged at the lower end inside the reactor body (10), and the aeration discs (51) are communicated with each other through pipelines and are communicated with the air inlet (100).

7. An anaerobic reactor for municipal sewage according to claim 1, wherein: an inclined guide surface (11) is provided at the bottom of the reactor body (10).

8. An anaerobic reactor for municipal sewage according to claim 1, wherein: a heating body (12) is arranged on the outer wall of the reactor body (10), and a heat preservation body (13) is arranged on the periphery of the heating body (12).