CN212269780U

CN212269780U - Immobilized biological aerated filter treatment equipment

Info

Publication number: CN212269780U
Application number: CN202020242520.4U
Authority: CN
Inventors: 邹道锋; 庄智满; 卢文彬
Original assignee: Fujian Zhongyuan Environmental Protection Technology Co ltd
Current assignee: Fujian Zhongyuan Environmental Protection Technology Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2021-01-01
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses an immobilized biological aerated filter treatment device in the technical field of sewage treatment, which comprises a sedimentation tank, a filtration tank and a detection tank, wherein a water distributor is positioned inside the filtration tank, a first immobilized microorganism carrier is arranged below the water distributor, immobilized microorganisms are arranged on the first immobilized microorganism carrier, a liquid distributor, a second immobilized microorganism carrier and an aeration pipe are sequentially arranged below the first immobilized microorganism carrier, a water pump, an ammonia nitrogen determinator and a liquid level controller are arranged in the detection tank, a controller is arranged outside the detection tank, the water pump is connected with a return pipe, the other end of the return pipe extends to the upper part of the first immobilized microorganism carrier, the side wall of the detection tank is provided with a water outlet pipe, and a flow control valve is arranged on the water outlet pipe, the utility model provides an immobilized biological aerated filter treatment device which carries out sedimentation treatment on sewage first to ensure the sewage treatment speed and the sewage treatment effect, through immobilized microorganism and aeration treatment to purify sewage comprehensively and effectively, secondary backflow filtration is effectively reduced, and filtration efficiency is greatly improved.

Description

Immobilized biological aerated filter treatment equipment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an immobilized biological aerated filter treatment device.

Background

The biological aerated filter is a new process integrating biological oxidation and suspended solid interception, can be used for water eutrophication treatment, and can be widely applied to treatment of high-concentration wastewater such as urban pretreatment water, community domestic pretreatment water, domestic miscellaneous drainage, food processing wastewater, brewing, papermaking and the like, reclaimed water treatment and the like.

To this end, the person skilled in the relevant art improves this, for example, chinese patent application No. CN201620945692.1 discloses "a return flow system for immobilized microorganism aerated biological filter", which is characterized by the following technical features: "a fixed microorganism biological aerated filter return-flow system, including inlet tube, backflow tank and outlet pipe, the backflow tank divides into reaction tank and detection tank, and the reaction tank bottom is provided with the aeration pipe, and the top of aeration pipe is provided with the fixed microorganism carrier, is provided with the fixed microorganism on the fixed microorganism carrier, is provided with water pump, ammonia nitrogen determinator and liquid level controller in the detection tank, though the utility model discloses a real-time detection is carried out to ammonia nitrogen detector, utilizes the water pump to flow back again the sewage that detects unqualified and purifies to improve the treatment effeciency of sewage, but the technical scheme in this application document still has the shortcoming, if do not deposit the preliminary treatment to sewage in the backflow tank, if suspended particles or other impurity in the sewage get into the reaction tank, probably block up the aeration pipe, influence sewage treatment speed and effect; the sewage treatment in the reaction tank is single, the effective contact between the sewage and the filter layer cannot be guaranteed, the filtration is not thorough, the times of secondary reflux are increased, and the purification efficiency is low.

Based on this, the utility model designs an immobilized biological aerated filter treatment equipment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an immobilized biological aerated filter treatment equipment to solve the above problems.

In order to achieve the above object, the utility model provides a following technical scheme: an immobilized biological aerated filter treatment equipment comprises a sedimentation tank, a filtering tank and a detection tank, wherein the sedimentation tank is sequentially connected with a first power pump and a water distributor through a guide pipe, the water distributor is positioned in the filtering tank, a first immobilized microorganism carrier is arranged below the water distributor, immobilized microorganisms are arranged on the first immobilized microorganism carrier, a liquid distributor and a second immobilized microorganism carrier are sequentially arranged below the first immobilized microorganism carrier, the second immobilized microorganism carrier is consistent with the first immobilized microorganism carrier, an aeration pipe is arranged below the second immobilized microorganism carrier, a second overflow port is arranged at the top of the filtering tank, the second overflow port is connected with a second power pump through a guide pipe and then extends into the detection tank, a water pump, an ammonia nitrogen determinator and a liquid level controller are arranged in the detection tank, the detection pond outside is equipped with the controller, the water pump is connected with the back flow, the other end of back flow extends to the top of first immobilized microorganism carrier, the lateral wall of detection pond is provided with the outlet pipe, be equipped with flow control valve on the outlet pipe.

Preferably, one side of the bottom of the sedimentation tank is provided with a water inlet pipe, a plurality of inclined plates are arranged in the sedimentation tank, a first overflow port is arranged at the top of the sedimentation tank, and the first overflow port is connected with a first power pump through a conduit.

Preferably, a plurality of densely distributed exhaust ports are arranged on the aeration pipe, and one end of the aeration pipe is connected with a fan.

Preferably, two blocking plates are arranged below the aeration pipe, and the blocking plates are respectively fixed on two sides of the filtering tank and are not butted with each other.

Preferably, the controller is connected between the water pump and the ammonia nitrogen measuring instrument.

Preferably, the liquid level controller is located below the water outlet pipe and connected with the flow control valve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structural design, the sedimentation tank is arranged to firstly carry out sedimentation and filtration treatment on the sewage, so as to avoid solid suspended matters and other impurities in the sewage from blocking the water distributor and the aeration pipe, and ensure the sewage treatment speed and the sewage treatment effect; in the filtering tank, sewage is uniformly distributed by the water distributor and the liquid distributor in sequence, so that the contact area between the sewage and immobilized microorganisms and carriers thereof is greatly increased, the sewage forms circulation after aeration, organic matters, ammonia nitrogen and the like in the sewage can be fully removed under the strong oxidative decomposition of the microorganisms and the adsorption action of the carriers, the sewage is comprehensively and effectively purified, secondary backflow filtration is effectively reduced, and the filtration efficiency is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a sedimentation tank, 2-a filtration tank, 3-a detection tank, 4-a conduit, 5-a first power pump, 6-a water distributor, 7-a first immobilized microorganism carrier, 8-a liquid distributor, 9-a second immobilized microorganism carrier, 10-an aeration pipe, 11-a second overflow port, 12-a second power pump, 13-a water pump, 14-an ammonia nitrogen determinator, 15-a liquid level controller, 16-a controller, 17-a return pipe, 18-a water outlet pipe, 19-a flow control valve, 20-a water inlet pipe, 21-an inclined plate, 22-a first overflow port, 23-an exhaust port, 24-a fan and 25-a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: an immobilized biological aerated filter treatment device comprises a sedimentation tank 1, a filter tank 2 and a detection tank 3, wherein the sedimentation tank 1 is sequentially connected with a first power pump 5 and a water distributor 6 through a conduit 4, the water distributor 6 is positioned in the filter tank 2, a first immobilized microorganism carrier 7 is arranged below the water distributor 6, immobilized microorganisms are arranged on the first immobilized microorganism carrier 7, a liquid distributor 8 and a second immobilized microorganism carrier 9 are sequentially arranged below the first immobilized microorganism carrier 7, the second immobilized microorganism carrier 9 is consistent with the first immobilized microorganism carrier 7, an aeration pipe 10 is arranged below the second immobilized microorganism carrier 9, a second overflow port 11 is arranged at the top of the filter tank 2, the second overflow port 11 is connected with a second power pump 12 through the conduit 4 and then extends into the detection tank 3, a water pump 13, an ammonia nitrogen determinator 14 and a liquid level controller 15 are arranged in the detection tank 3, the outer side of the detection pool 3 is provided with a controller 16, the water pump 13 is connected with a return pipe 17, the other end of the return pipe 17 extends to the upper part of the first immobilized microorganism carrier 7, the side wall of the detection pool 3 is provided with a water outlet pipe 18, and the water outlet pipe 18 is provided with a flow control valve 19.

Wherein, bottom one side of sedimentation tank 1 is equipped with inlet tube 20, its inside is equipped with a plurality of swash plates 21, and the top is equipped with first overflow mouth 22, first overflow mouth 22 passes through pipe 4 and is connected with first power pump 5, swash plate 21 becomes 45 ~ 60 installations with the horizontal plane, both increased the area of deposiing, also shorten the settling time, it is better to make the precipitation effect, be provided with a plurality of densely distributed gas vents 23 on the aeration pipe 10, the one end of aeration pipe is connected with fan 24, the below of aeration pipe 10 is provided with two bafflers 25, bafflers 25 fix respectively in the both sides of filtering ponds 2, and each other not butt joint, bafflers 25 can prevent sedimentary impurity upwards refluence, pollute second immobilized microorganism carrier 9, controller 16 connects between water pump 13 and ammonia nitrogen apparatus 14, liquid level controller 15 is located the below of outlet pipe 18, and link to each other with flow control valve 19.

One specific application of this embodiment is: when sewage is treated, the water inlet pipe 20 is opened, the sewage enters the sedimentation tank 1, after standing, suspended solids and other impurities in the sewage are accumulated at the bottom of the sedimentation tank 1, the sewage enters the first overflow port 22 from a channel between the inclined plates 21, the first power pump 5 is opened, the sewage enters the filter tank 2, meanwhile, the fan 24 is opened, air is aerated from the plurality of exhaust ports 23 from bottom to top, the sewage is uniformly distributed by the water distributor 6, flows through the first immobilized microorganism carrier 7 and then enters the second immobilized microorganism carrier 9 through the liquid distributor 8, so that the contact area between the sewage and the immobilized microorganism and the carriers thereof can be increased, the sewage forms circulation after aeration, organic matters, ammonia nitrogen and the like in the sewage can be fully removed under the strong oxidative decomposition of the microorganism and the adsorption effect of the carriers, and the sewage is effectively and comprehensively purified, after the sewage is purified, the sewage rises from the bottom of the filtering tank 2 from bottom to top, the baffle plate 25 can prevent deposited impurities from flowing backwards upwards to pollute the second immobilized microorganism carrier 9, when the sewage reaches the second overflow port 11, the second power pump 12 is started to convey the purified sewage into the detecting tank 3, the ammonia nitrogen content in the sewage is detected by the ammonia nitrogen determinator 14 in the detecting tank 3, if the sewage is unqualified, the controller 16 controls the water pump 13 to return the sewage to the top of the filtering tank 2 through the return pipe 17 for secondary filtering treatment, the qualified sewage is detected to be accumulated in the detecting tank 3, and when the liquid level controller 15 detects that the liquid level exceeds the set liquid level, the liquid level controller 15 controls the flow control valve 19 on the water outlet pipe 18 to increase the flow of the water outlet pipe 18 and accelerate the water outlet speed, so that the whole equipment runs at a high speed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an immobilized biological aerated filter treatment equipment, includes sedimentation tank (1), filtering ponds (2) and detection pond (3), its characterized in that: the sedimentation tank (1) is sequentially connected with a first power pump (5) and a water distributor (6) through a guide pipe (4), the water distributor (6) is positioned inside the filtering tank (2), a first immobilized microorganism carrier (7) is arranged below the water distributor (6), immobilized microorganisms are arranged on the first immobilized microorganism carrier (7), a liquid distributor (8) and a second immobilized microorganism carrier (9) are sequentially arranged below the first immobilized microorganism carrier, the second immobilized microorganism carrier (9) is consistent with the first immobilized microorganism carrier (7), an aeration pipe (10) is arranged below the second immobilized microorganism carrier (9), a second overflow port (11) is arranged at the top of the filtering tank (2), and the second overflow port (11) is connected with a second power pump (12) through the guide pipe (4) and then extends into the detecting tank (3), be equipped with water pump (13), ammonia nitrogen apparatus (14) and liquid level controller (15) in detection pond (3), detection pond (3) outside is equipped with controller (16), water pump (13) are connected with back flow (17), the other end of back flow (17) extends to the top of first immobilized microorganism carrier (7), the lateral wall that detects pond (3) is provided with outlet pipe (18), be equipped with flow control valve (19) on outlet pipe (18).

2. An immobilized biological aerated filter treatment apparatus according to claim 1, wherein: one side of the bottom of the sedimentation tank (1) is provided with a water inlet pipe (20), a plurality of inclined plates (21) are arranged in the sedimentation tank, a first overflow port (22) is arranged at the top of the sedimentation tank, and the first overflow port (22) is connected with a first power pump (5) through a conduit (4).

3. An immobilized biological aerated filter treatment apparatus according to claim 1, wherein: a plurality of densely distributed exhaust ports (23) are arranged on the aeration pipe (10), and one end of the aeration pipe is connected with a fan (24).

4. An immobilized biological aerated filter treatment apparatus according to claim 1, wherein: two blocking plates (25) are arranged below the aeration pipe (10), and the blocking plates (25) are respectively fixed on two sides of the filtering tank (2) and are not mutually butted.

5. An immobilized biological aerated filter treatment apparatus according to claim 1, wherein: the controller (16) is connected between the water pump (13) and the ammonia nitrogen measuring instrument (14).

6. An immobilized biological aerated filter treatment apparatus according to claim 1, wherein: the liquid level controller (15) is positioned below the water outlet pipe (18) and is connected with the flow control valve (19).