CN215975403U - A biological filter for sewage treatment - Google Patents

Abstract

The utility model discloses a biological filter for sewage treatment, which comprises a box body, wherein a primary aerobic chamber, a buffer chamber, a primary anaerobic chamber, a secondary aerobic chamber and a secondary anaerobic chamber are sequentially arranged in the box body from left to right. The utility model drives the rotating blades to rotate through the water flow in the water inlet pipe, so as to drive the rotating rods and the stirring rods to rotate, improve the dissolved oxygen content of sewage, form a liquid level difference through the primary anaerobic chamber, the secondary aerobic chamber and the secondary anaerobic chamber, form an air cavity in the secondary aerobic chamber, enable air, sewage and aerobic microorganisms to be fully contacted in the aerobic microorganism filtering layer, improve the sewage treatment effect, and simultaneously, arrange the primary aerobic chamber, the buffer chamber, the primary anaerobic chamber, the secondary aerobic chamber, the secondary anaerobic chamber and the active carbon filtering layer to be matched for use, carry out multi-stage treatment on the sewage, adsorb the microorganisms and impurities through the active carbon filtering layer, degrade incompletely degraded substances again, and further improve the treatment effect.

Description

A biological filter for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a biological filter for sewage treatment.

Background

The biofilter used for sewage treatment generally comprises different types of reactors such as an anaerobic biofilter, an aeration biofilter, a trickling filter, an earthworm filter and the like, and the basic principle is that a certain filler is arranged in a reaction device, sewage flows into the filler through a water distribution device, and pollutants in the sewage are purified under the comprehensive action of a biofilm, protozoa and the like growing on the surface of the filler. The prior biological filter has the following problems in the using process:

1. the aeration quantity in the biological filter is uneven, so that the treatment efficiency of aerobic organisms is influenced;

2. the biological filter has poor treatment effect and low treatment efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a biological filter for sewage treatment, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a biological filter for sewage treatment, includes the box, from left to right set gradually one-level aerobic chamber, buffer chamber, one-level anaerobic chamber, second grade aerobic chamber, second grade anaerobic chamber in the box, the box rear side is provided with the aeration machine, the downside of aeration machine is provided with the connecting pipe, the end-to-end connection of connecting pipe has the air duct, the left end of air duct is connected with a plurality of first aeration pipes, and is a plurality of first aeration pipe and the good aerobic chamber intercommunication of one-level, the right-hand member of air duct is connected with a plurality of second aeration pipes, second aeration pipe and second grade aerobic chamber intercommunication, aeration machine and outside terminal control ware electric connection.

Preferably, the inlet tube is installed in the good oxygen room left side of one-level, install the support frame in the inlet tube, be provided with the dwang through the bearing on the support frame, the left end welded fastening of dwang has rotating vane, the right-hand member of dwang passes through the bearing with the good oxygen indoor wall of one-level and is connected, be provided with a plurality of puddlers on the dwang, the upside of the good oxygen indoor inlet tube of one-level is provided with two first interception net, two the inboard packing of first interception net has first good oxygen microorganism clean shot, the gap has been seted up to the upside of the good oxygen indoor first interception net of one-level.

Preferably, a plurality of second aerobic microbe hollow balls are arranged in the buffer chamber, a water outlet is formed in the right side of the buffer chamber, and a filter screen is arranged in the water outlet.

Preferably, two second intercepting nets are arranged in the primary anaerobic chamber, the inner sides of the two second intercepting nets are filled with first anaerobic microorganism hollow balls, a water guide pipe is arranged on the second intercepting net in the primary anaerobic chamber, and the water guide pipe is communicated with the secondary aerobic chamber.

Preferably, an aerobic microorganism filtering layer is arranged on the upper side of the second aeration pipe in the second-stage aerobic chamber, a plurality of water distribution pipes are arranged on the upper side of the aerobic microorganism filtering layer in the second-stage aerobic chamber, a communicating pipe is arranged between every two adjacent water distribution pipes, a plurality of nozzles are arranged on the lower side of each water distribution pipe, each water distribution pipe is communicated with one water distribution pipe, and a water outlet is formed in the right side of the second-stage aerobic chamber.

Preferably, be provided with the protection network in the second grade anaerobism room, the downside of the indoor protection network of second grade anaerobism is provided with a plurality of second anaerobism microorganism clean shot, the upside of the indoor protection network of second grade anaerobism is provided with the active carbon filter layer, the outlet pipe is installed to the upside of the indoor active carbon filter layer of second grade anaerobism.

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

1. according to the utility model, the rotating blades are driven to rotate by water flow in the water inlet pipe, so that the rotating rod and the stirring rod are driven to rotate, sewage and air sprayed by the first aeration pipe are stirred, the air is fully contacted with the sewage, the dissolved oxygen of the sewage is improved, meanwhile, a liquid level difference is formed by the primary anaerobic chamber, the secondary aerobic chamber and the secondary anaerobic chamber, an air cavity is formed in the secondary aerobic chamber, so that the air, the sewage and aerobic microorganisms are fully contacted in an aerobic microorganism filtering layer, and the sewage treatment effect is improved;

2. the utility model also provides a primary aerobic chamber, a buffer chamber, a primary anaerobic chamber, a secondary aerobic chamber, a secondary anaerobic chamber and an active carbon filter layer which are matched for use, so that the sewage is subjected to multistage treatment, microorganisms and impurities are adsorbed by the active carbon filter layer, and incompletely degraded substances are degraded again, thereby further improving the treatment effect.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a rear view of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a box body; 2. a primary aerobic chamber; 3. a buffer chamber; 4. a primary anaerobic chamber; 5. a secondary aerobic chamber; 6. a secondary anaerobic chamber; 7. an aerator; 8. a connecting pipe; 9. an air duct; 10. a first aeration pipe; 11. a second aeration pipe; 12. a water inlet pipe; 13. a support frame; 14. rotating the rod; 15. a rotating blade; 16. a stirring rod; 17. a first interception net; 18. a first hollow aerobic microbial sphere; 19. an overflow port; 20. a second aerobic microbial hollow sphere; 21. filtering with a screen; 22. a second interception net; 23. a first anaerobic microbial hollow sphere; 24. a water conduit; 25. an aerobic microorganism filter layer; 26. a water distribution pipe; 27. a communicating pipe; 28. a nozzle; 29. a water outlet; 30. a protective net; 31. a second anaerobic microbial hollow sphere; 32. an activated carbon filter layer; 33. and (5) discharging a water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

Referring to fig. 1-3, the present invention provides a technical solution: a biofilter for sewage treatment comprises a box body 1, a primary aerobic chamber 2, a buffer chamber 3, a primary anaerobic chamber 4, a secondary aerobic chamber 5 and a secondary anaerobic chamber 6 are sequentially arranged in the box body 1 from left to right, an aerator 7 is arranged on the rear side of the box body 1, a connecting pipe 8 is arranged on the lower side of the aerator 7, the tail end of the connecting pipe 8 is connected with an air duct 9, the left end of the air duct 9 is connected with a plurality of first aeration pipes 10, the plurality of first aeration pipes 10 are communicated with the primary aerobic chamber 2, the right end of the air duct 9 is connected with a plurality of second aeration pipes 11, the second aeration pipes 11 are communicated with the secondary aerobic chamber 5, and the aerator 7 is electrically connected with an external terminal controller;

a water inlet pipe 12 is installed on the left side of the primary aerobic chamber 2, a support frame 13 is installed in the water inlet pipe 12, a rotating rod 14 is arranged on the support frame 13 through a bearing, a rotating blade 15 is fixedly welded at the left end of the rotating rod 14, the right end of the rotating rod 14 is connected with the inner wall of the primary aerobic chamber 2 through a bearing, a plurality of stirring rods 16 are arranged on the rotating rod 14, two first intercepting nets 17 are arranged on the upper side of the water inlet pipe 12 in the primary aerobic chamber 2, first aerobic hollow microbe balls 18 are filled inside the two first intercepting nets 17, an overflow opening 19 is formed in the upper side of the first intercepting net 17 in the primary aerobic chamber 2, a plurality of second aerobic hollow microbe balls 20 are arranged in the buffer chamber 3, a water outlet is formed in the right side of the buffer chamber 3, a filter screen 21 is arranged in the water outlet, two second intercepting nets 22 are arranged in the primary anaerobic chamber 4, and first anaerobic hollow balls 23 are filled inside the two second intercepting nets 22, the second interception net 22 in the first-stage anaerobic chamber 4 is provided with a water guide pipe 24, the water guide pipe 24 is communicated with the second-stage aerobic chamber 5, the upper side of the second aeration pipe 11 in the second-stage aerobic chamber 5 is provided with an aerobic microorganism filtering layer 25, the upper side of the aerobic microorganism filtering layer 25 in the second-stage aerobic chamber 5 is provided with a plurality of water distribution pipes 26, a communicating pipe 27 is arranged between every two adjacent water distribution pipes 26, the lower side of each water distribution pipe 26 is provided with a plurality of nozzles 28, the water guide pipe 24 is communicated with one water distribution pipe 26, the right side of the second-stage aerobic chamber 5 is provided with a water outlet 29, a protective net 30 is arranged in the second-stage anaerobic chamber 6, the lower side of the protective net 30 in the second-stage anaerobic chamber 6 is provided with a plurality of second anaerobic microorganism hollow balls 31, the upper side of the protective net 30 in the second-stage anaerobic chamber 6 is provided with an activated carbon filtering layer 32, and the upper side of the activated carbon filtering layer 32 in the second-stage anaerobic chamber 6 is provided with a water outlet pipe 33.

The working principle is as follows: when the device is used, sewage enters the primary aerobic chamber 2 through the water inlet pipe 12, aeration is started simultaneously, the primary aerobic chamber 2 and the secondary aerobic chamber 5 are aerated, water flow in the water inlet pipe 12 drives the rotating blades 15 to rotate, so that the rotating rods 14 and the stirring rods 16 are driven to rotate, the sewage is stirred with air sprayed by the first aeration pipe 10, so that the air is fully contacted with the sewage, the dissolved oxygen amount of the sewage is improved, the sewage is subjected to aerobic treatment through the first aerobic hollow microbe ball 18, when the sewage reaches the overflow port 19 and enters the buffer chamber 3, the sewage is subjected to secondary treatment through the second aerobic hollow ball 20, the sewage enters the primary anaerobic chamber 4 through the water outlet, is subjected to anaerobic treatment through the first anaerobic hollow microbe ball 23, enters the nozzle 28 through the water guide pipe 24, the water distribution pipe 26 and the communicating pipe 27, is sprayed by the nozzle 28, is fully contacted with the air, and is fully treated through the aerobic microbe filter layer 25, reach second grade aerobic chamber 5 bottom, get into second grade anaerobic chamber 6 by delivery port 29, carry out secondary anaerobic treatment by second anaerobic microorganism clean shot 31, adsorb microorganism and impurity through active carbon filter layer 32 again, fully degrade incompletely degrading substance, improve treatment effect, sewage after the processing discharges into next process through outlet pipe 33, restrict second grade aerobic chamber 5 through outlet pipe 33, the liquid level of second grade anaerobic chamber 6, make the interior cavity air cavity that forms of second grade aerobic chamber 5, improve the aeration effect in the second grade aerobic chamber 5, and the steam generator is simple in structure, high durability and convenient use, excellent in use effect's advantage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a biological filter for sewage treatment, includes box (1), its characterized in that: the anaerobic fermentation tank is characterized in that a first-stage aerobic chamber (2), a buffer chamber (3), a first-stage anaerobic chamber (4), a second-stage aerobic chamber (5) and a second-stage anaerobic chamber (6) are sequentially arranged in the tank body (1) from left to right, an aerator (7) is arranged on the rear side of the tank body (1), a connecting pipe (8) is arranged on the lower side of the aerator (7), the tail end of the connecting pipe (8) is connected with an air guide pipe (9), the left end of the air guide pipe (9) is connected with a plurality of first aeration pipes (10) and a plurality of first aeration pipes (10) are communicated with the first-stage aerobic chamber (2), the right end of the air guide pipe (9) is connected with a plurality of second aeration pipes (11), the second aeration pipes (11) are communicated with the second-stage aerobic chamber (5), and the aerator (7) is electrically connected with an external terminal controller.

2. A biofilter for treatment of wastewater according to claim 1, wherein: inlet tube (12) are installed in one-level aerobic chamber (2) left side, be provided with support frame (13) in inlet tube (12), it is provided with dwang (14) to rotate on support frame (13), the left end fixed mounting of dwang (14) has rotating vane (15), the right-hand member and one-level aerobic chamber (2) inner wall of dwang (14) rotate to be connected, be provided with a plurality of puddlers (16) on dwang (14), the upside of inlet tube (12) is provided with two first interception net (17), two in one-level aerobic chamber (2) the inboard packing of first interception net (17) has first aerobic microorganism clean shot (18), overflow mouth (19) have been seted up to the upside of first interception net (17) in one-level aerobic chamber (2).

3. A biofilter for treatment of wastewater according to claim 1, wherein: a plurality of second aerobic microbe hollow spheres (20) are arranged in the buffer chamber (3), a water outlet is formed in the right side of the buffer chamber (3), and a filter screen (21) is arranged in the water outlet.

4. A biofilter for treatment of wastewater according to claim 1, wherein: two second intercepting nets (22) are arranged in the primary anaerobic chamber (4), the inner sides of the two second intercepting nets (22) are filled with first anaerobic microorganism hollow balls (23), a water guide pipe (24) is arranged on the second intercepting nets (22) in the primary anaerobic chamber (4), and the water guide pipe (24) is communicated with the secondary aerobic chamber (5).

5. A biofilter for treatment of sewage according to claim 4, wherein: the aerobic microorganism filtering layer (25) is arranged on the upper side of the second aeration pipe (11) in the secondary aerobic chamber (5), the plurality of water distribution pipes (26) are arranged on the upper side of the aerobic microorganism filtering layer (25) in the secondary aerobic chamber (5), a communicating pipe (27) is arranged between every two adjacent water distribution pipes (26), a plurality of nozzles (28) are arranged on the lower side of each water distribution pipe (26), the water guide pipe (24) is communicated with one water distribution pipe (26), and a water outlet (29) is formed in the right side of the secondary aerobic chamber (5).

6. A biofilter for treatment of wastewater according to claim 1, wherein: be provided with protection network (30) in second grade anaerobic chamber (6), the downside of protection network (30) in second grade anaerobic chamber (6) is provided with a plurality of second anaerobic microorganisms clean shot (31), the upside of protection network (30) in second grade anaerobic chamber (6) is provided with activated carbon filter layer (32), outlet pipe (33) are installed to the upside of activated carbon filter layer (32) in second grade anaerobic chamber (6).

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