CN211971888U

CN211971888U - Bioreactor for removing organic matters and ammonia nitrogen in wastewater by using multiple media

Info

Publication number: CN211971888U
Application number: CN202020288204.0U
Authority: CN
Inventors: 戴居良; 陈逸雯; 杨婉茜; 党凯华
Original assignee: Guangzhou New Energy Water Treatment Co ltd
Current assignee: Guangzhou New Energy Water Treatment Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-20
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a multi-medium bioreactor for removing organic matters and ammonia nitrogen in wastewater, which comprises a biological reaction chamber, an aeration pipe layer, a cobble layer, a cave pore layer and a flexible packing layer, wherein the aeration pipe layer, the cobble layer, the cave pore layer and the flexible packing layer are positioned in the biological reaction chamber; the aeration pipe layer is positioned below the water inlet at the bottom of the biological reaction cavity, and the cobble layer, the cave pore layer and the flexible filler layer are arranged from bottom to top; the top of the flexible filler layer is a water outlet of the biological reaction cavity, and the flexible filler in the flexible filler layer is suspended at the top of the biological reaction cavity. Utility model's multi-media gets rid of bioreactor design scientific and reasonable of organic matter and ammonia nitrogen in waste water, it is single to improve traditional bioreactor and adhere to the hotbed, and is unfavorable to cultivateing microorganism advantage bacterial, will pack the cave hotbed, and the hotbed advantage fully combines with the flexible filler, makes different microorganism respectively have suitable existence separately and breeds the hotbed, improves bioreactor reaction, makes out water quality of water improve and stable.

Description

Bioreactor for removing organic matters and ammonia nitrogen in wastewater by using multiple media

Technical Field

The utility model relates to a water treatment technical field, concretely relates to improve bioreactor reaction effect, make play water quality of water improve and stable multimedium get rid of the bioreactor of organic matter and ammonia nitrogen in the waste water.

Background

In the prior art, the bioreactor adopts a single filler, only depends on a single function, and attaches and breeds microorganisms, which are both deficient in terms of the quantity and activity of the bred microorganisms. When the ammonia nitrogen content of organic matters in the wastewater fluctuates greatly, the two indexes in the effluent fluctuate due to the quantity and activity of microorganisms, and the effluent substandard rate is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve bioreactor reaction, make play water quality of water improve and stable multimedium get rid of the bioreactor of organic matter and ammonia nitrogen in the waste water.

In order to overcome the defects in the prior art, the utility model adopts the following technical scheme:

a multi-medium bioreactor for removing organic matters and ammonia nitrogen in wastewater comprises a biological reaction chamber, an aeration pipe layer, a cobble layer, a cave pore layer and a flexible filler layer, wherein the aeration pipe layer, the cobble layer, the cave pore layer and the flexible filler layer are positioned in the biological reaction chamber; the aeration pipe layer is positioned below the water inlet at the bottom of the biological reaction cavity, and the cobble layer, the cave pore layer and the flexible filler layer are arranged from bottom to top; the top of the flexible filler layer is a water outlet of the biological reaction cavity, and the flexible filler in the flexible filler layer is suspended at the top of the biological reaction cavity.

Further, the flexible filler in the flexible filler layer includes, but is not limited to, a ribbon-shaped flexible filler, a tree-shaped flexible filler, a snowflake-shaped flexible filler, and a sawtooth-shaped flexible filler.

Further, the hole pore layer is an integral module formed by ceramic particles or activated carbon.

Furthermore, the bioreactor for removing organic matters and ammonia nitrogen in wastewater by using the multi-media also comprises an aeration fan, a water inlet mechanism and a water production tank, wherein the aeration fan is connected with an aeration pipe of the aeration pipe layer, the water inlet mechanism is connected with a water inlet at the bottom of the biological reaction containing cavity, and the water production tank is connected with a water outlet of the biological reaction containing cavity.

Furthermore, the water inlet mechanism is provided with a wastewater collection box, a lifting pump and a control box, one end of the lifting pump is connected with the wastewater collection box, and the other end of the lifting pump is connected with a water inlet at the bottom of the biological reaction cavity; the lift pump and the aeration fan are respectively connected with the control box.

The utility model discloses a multi-media gets rid of bioreactor design scientific and reasonable of organic matter and ammonia nitrogen in waste water, it is single to improve traditional bioreactor and adhere to the hotbed, unfavorable to cultivateing microorganism advantage bacterial, also unfavorable to increasing the microorganism quantity, will pack the cave hotbed, the hotbed fully combines with flexible filler hotbed advantage, make different microorganisms respectively obtain its place, have suitable existence separately and breed the hotbed, improve bioreactor reaction effect, make out water quality of water improve and stable.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive exercise according to the drawings:

FIG. 1 is a schematic view of an embodiment of a multi-media bioreactor for removing organic substances and ammonia nitrogen from wastewater according to the present invention;

FIG. 2 is a schematic diagram of the operation of a multi-media bioreactor for removing organic substances and ammonia nitrogen from wastewater;

in the drawings: 1-a biological reaction chamber; 2-an aerator pipe layer; 3-cobblestone layer; 4-a cavern pore layer; 5-a flexible filler layer; 6-aeration fan; 7-a water inlet mechanism; 8-producing a water tank; 11-a water inlet; 12-a water outlet; 71-a wastewater collection tank; 72-a lift pump; 73-control box.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, and the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

As shown in fig. 1 and 2, a multi-media bioreactor for removing organic matters and ammonia nitrogen in wastewater comprises a biological reaction chamber 1, an aeration tube layer 2, a cobblestone layer 3, a cave pore layer 4 and a flexible filler layer 5 which are positioned in the biological reaction chamber 1, wherein the biological reaction chamber 1 designed in such a way can shorten the biochemical reaction time (retention time) and reduce the volume and the floor area of the device; the cave pore filler and the flexible filler provide corresponding proper attachments for different microorganism populations, improve the microorganism reproduction rate, increase the number and enhance the activity, so that the capability of degrading organic matters and ammonia nitrogen is enhanced and stable; the aeration pipe layer 2 is positioned below a water inlet 11 at the bottom of the biological reaction containing cavity 1, and the cobble layer 3, the cave pore layer 4 and the flexible filler layer 5 are arranged from bottom to top; the top of the flexible filler layer 5 is a water outlet 12 of the biological reaction cavity 1, and the flexible filler in the flexible filler layer 5 is suspended on the top of the biological reaction cavity 1. The limited space inside the reactor is used for combining the filler, so that the organic matters in the biochemical reactor have sufficient reaction time with enough microorganisms, and the effects of removing the organic matters, the ammonia nitrogen concentration and the like are greatly improved.

Preferably, the flexible filler in the flexible filler layer 5 includes, but is not limited to, a ribbon-shaped flexible filler, a tree-shaped flexible filler, a snowflake-shaped flexible filler, and a sawtooth-shaped flexible filler. The hole pore layer 4 is an integral module formed by ceramic particles or active carbon.

The advantages of the traditional bioreactor that the attachment hotbed is single, the culture of dominant strains of microorganisms is unfavorable, and the increase of the number of microorganisms is also unfavorable are improved, the advantages of the filling cave hotbed, the surface hotbed and the flexible filling hotbed are fully combined, so that different microorganisms respectively obtain their own advantages, the respective proper living and breeding hotbed is provided, the reaction effect of the bioreactor is improved, and the quality of effluent water is improved and stable.

In some embodiments, the bioreactor for removing organic matters and ammonia nitrogen in wastewater by using multiple media further comprises an aeration fan 6, a water inlet mechanism 7 and a water production tank 8, wherein the aeration fan 6 is connected with an aeration pipe of the aeration pipe layer 2, the water inlet mechanism 7 is connected with a water inlet 11 at the bottom of the biological reaction cavity 1, and the water production tank 8 is connected with a water outlet 12 of the biological reaction cavity 1.

Specifically, the water inlet mechanism 7 is provided with a wastewater collection tank 71, a lift pump 72 and a control box 73, one end of the lift pump 72 is connected with the wastewater collection tank 71, and the other end is connected with the water inlet 11 at the bottom of the biological reaction cavity 1; the lift pump 72 and the aeration fan 6 are connected to a control box 73, respectively.

After the structure is described above, the working principle is further described:

introducing pre-screened strains into a reactor, mixing wastewater to be treated with cleaner water (such as tap water and the like) according to a certain proportion, filling the reactor, ventilating, stopping water inflow and water outflow, allowing the strains to be domesticated and propagated, wherein each filler is different in characteristics, is a proper microbial flora, is respectively provided with a hotbed, and is determined to be short in domesticating time (within a few days to a few weeks) according to the actual situation on site, and the strains can be run by water after being well propagated and adhered.

Opening a water inlet valve of the multi-medium bioreactor, starting a wastewater lifting pump 72, filling wastewater containing organic matters and ammonia nitrogen into the cavity of the multi-medium bioreactor and submerging the top of the filler, and stopping water injection when water flows out from a water outlet; dissolving screened strains for later use in water, pouring the dissolved strains into a multi-medium bioreactor, starting an aeration fan 6 to aerate and stir, mixing uniformly, stopping aeration, entering a strain acclimation period (the acclimation time is determined according to the field condition and the strain propagation condition to be observed), and intermittently aerating to promote acclimation; after the strain acclimatization is determined to be completed, a water inlet valve of the bioreactor is opened, a wastewater lifting pump 72 and an aeration fan 6 are started, and the multi-medium bioreactor is put into operation.

The wastewater containing organic matters and ammonia nitrogen is collected to a wastewater collection box 71, is injected into a biological reaction chamber 1 of the multi-medium bioreactor through a lifting pump 72, flows through an internal packing layer, and a large amount of microorganisms attached to the packing continuously perform biochemical and oxidation reactions with organic matters, ammonia nitrogen and the like in the wastewater, so that the aim of biochemically degrading the organic matters and the ammonia nitrogen is fulfilled. The effluent after biochemical degradation reaches the standard and enters a water production tank for centralized discharge or recycling. The aeration fan 6 intermittently or continuously aerates the biological reaction chamber 1 of the multi-medium bioreactor, and provides good conditions for the propagation of bacteria and microorganisms and biochemical reaction.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-medium bioreactor for removing organic matters and ammonia nitrogen in wastewater comprises a biological reaction chamber (1), an aeration pipe layer (2), a cobblestone layer (3), a cave pore layer (4) and a flexible packing layer (5) which are positioned in the biological reaction chamber (1); the method is characterized in that:

the aeration pipe layer (2) is positioned below a water inlet (11) at the bottom of the biological reaction cavity (1), and the cobble layer (3), the cave pore layer (4) and the flexible filler layer (5) are arranged from bottom to top; the top of the flexible packing layer (5) is a water outlet (12) of the biological reaction cavity (1), and the flexible packing in the flexible packing layer (5) is suspended at the top of the biological reaction cavity (1).

2. The multi-media bioreactor for removing organic matters and ammonia nitrogen in wastewater according to claim 1, characterized in that:

the flexible filler in the flexible filler layer (5) comprises but is not limited to a strip-shaped flexible filler, a tree-shaped flexible filler, a snowflake-shaped flexible filler and a sawtooth-shaped flexible filler.

3. The multi-media bioreactor for removing organic matters and ammonia nitrogen in wastewater according to claim 1, characterized in that:

the hole pore layer (4) is an integral module formed by ceramic particles or active carbon.

4. The multi-media bioreactor for removing organic matters and ammonia nitrogen in wastewater according to any one of claims 1 to 3, characterized in that:

the bioreactor for removing organic matters and ammonia nitrogen in wastewater by using the multi-media further comprises an aeration fan (6), a water inlet mechanism (7) and a water production tank (8), wherein the aeration fan (6) is connected with an aeration pipe of the aeration pipe layer (2), the water inlet mechanism (7) is connected with a water inlet (11) at the bottom of the biological reaction accommodating cavity (1), and the water production tank (8) is connected with a water outlet (12) of the biological reaction accommodating cavity (1).

5. The multi-media bioreactor for removing organic matters and ammonia nitrogen in wastewater according to claim 4, characterized in that:

the water inlet mechanism (7) is provided with a wastewater collection box (71), a lifting pump (72) and a control box (73), one end of the lifting pump (72) is connected with the wastewater collection box (71), and the other end is connected with a water inlet (11) at the bottom of the biological reaction cavity (1); the lift pump (72) and the aeration fan (6) are respectively connected with the control box (73).