CN108545825B

CN108545825B - Biological biofilm culturing optical treatment combined filler for sewage treatment

Info

Publication number: CN108545825B
Application number: CN201810431258.5A
Authority: CN
Inventors: 于振海; 刘佳
Original assignee: Foshan Shunde Yuanqing Purification Material Co ltd
Current assignee: Foshan Shunde Yuanqing Purification Material Co.,Ltd.
Priority date: 2018-05-08
Filing date: 2018-05-08
Publication date: 2020-09-29
Anticipated expiration: 2038-05-08
Also published as: CN108545825A

Abstract

The invention discloses a biological biofilm culturing optical treatment combined filler for sewage treatment, belonging to the technical field of water pollution prevention and control equipment, and the biological biofilm culturing optical treatment combined filler for sewage treatment comprises a main connecting rod, wherein the outer side of the main connecting rod is provided with an inner fixing ring, a plurality of evenly distributed biofilm culturing rods are fixedly connected between the inner fixing ring and the main connecting rod, the outer side of the inner fixing ring is provided with an outer fixing ring, a plurality of evenly distributed connecting rods are fixedly connected between the inner fixing ring and the outer fixing ring, the connecting rod is fixedly connected with a plurality of evenly distributed hydroformylation fibers, the inner part of the main connecting rod is provided with a first through hole, the inner part of the first through hole is fixedly connected with a main optical fiber, the main optical fiber penetrates through the main connecting rod, the inner part of the biofilm culturing rod is provided with a second through hole, the inner part of the second through hole is fixedly connected with an auxiliary optical, the energy is saved, and the film hanging speed under the low-temperature condition is favorably improved.

Description

Biological biofilm culturing optical treatment combined filler for sewage treatment

Technical Field

The invention relates to the technical field of water pollution prevention and control equipment, in particular to a biological biofilm culturing light treatment combined filler for sewage treatment.

Background

The biological film-hanging combined filler is developed on the basis of soft filler and semi-soft filler, and has the advantages of both them, and its structure is characterized by that the plastic disk is changed into double-ring large plastic ring, and the hydroformylation fibre or polyester fibre is pressed on the ring of the ring, so that the fibre bundle is uniformly distributed, and its inner ring is made up by using snowflake-like plastic branch, so that it not only can be used for hanging film, but also can effectively cut bubble, and can raise transfer rate and utilization rate of oxygen, and can fully exchange water-gas biological film, so that the organic matter in the water can be effectively treated Combined packing, braid packing or carbon fiber packing.

Aerobic bacteria in the biological membrane are mainly nitrifying bacteria, the influence of illumination on the aerobic bacteria and the anaerobic bacteria is small, and the influence of illumination on the normal propagation and survival of the bacteria can be reduced through the adjustment of technicians on light.

The existing biofilm culturing combined filler generally has no device for light treatment, bacteria for sewage treatment can have enough activity within a certain temperature range, the suitable temperature range of aerobic microorganisms is 10-35 ℃, the water temperature has great influence on the growth and nitrification rate of nitrobacteria, the suitable growth temperature of most of the nitrobacteria is 25-30 ℃, the growth of the nitrobacteria is slowed down when the temperature is lower than 25 ℃ or higher than 30 ℃, the growth and nitrification of the nitrobacteria below 10 ℃ is obviously slowed down, and the propagation and biofilm culturing of the bacteria for sewage treatment are not facilitated under a certain low-temperature environment.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a biofilm light treatment combined filler for sewage treatment, which can realize the light transmission easily through an optical fiber, can carry out light treatment on a biofilm only by inputting a light source to one end of the optical fiber, is beneficial to improving the biofilm speed and the bacteria reproduction under the low temperature condition, does not need to heat the whole biochemical pool, and saves energy.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A biofilm culturing optical treatment combined filler for sewage treatment comprises a main connecting rod, wherein an inner fixing ring is arranged on the outer side of the main connecting rod, a plurality of uniformly distributed biofilm culturing rods are fixedly connected between the inner fixing ring and the main connecting rod, an outer fixing ring is arranged on the outer side of the inner fixing ring, a plurality of uniformly distributed connecting rods are fixedly connected between the inner fixing ring and the outer fixing ring, a plurality of uniformly distributed hydroformylation fibers are fixedly connected onto the connecting rods, a first through hole is formed in the main connecting rod, a main optical fiber is fixedly connected into the first through hole and penetrates through the main connecting rod, a second through hole is formed in the biofilm culturing rods, an auxiliary optical fiber is fixedly connected into the second through hole, the first through hole and the second through hole are mutually communicated, the auxiliary optical fiber is fixedly connected with the main optical fiber, a plurality of uniformly distributed optical fiber rods are fixedly connected onto the auxiliary optical fiber, one end of each of the plurality of optical fiber rods penetrates through the film hanging rod and is positioned on the outer side of the film hanging rod, one end of each optical fiber rod positioned on the outer side of the film hanging rod is fixedly connected with a reticular ball, one end of the reticular ball far away from the optical fiber rod is fixedly connected with a reticular tube, one end of the reticular tube far away from the reticular ball is fixedly connected with a second nano sterilization filter screen, a first nano sterilizing filter screen is fixedly connected on the inner wall of the reticular tube, an anaerobic bacteria layer is hung between the reticular ball and the membrane hanging rod, an aerobic bacteria layer is hung between the optical fiber rod and the nano sterilizing sleeve, the upper end of the main connecting rod is fixedly connected with a first light inlet fiber and a second light inlet fiber, first advance optical fiber upper end and be connected with warm light source, the second advances optical fiber's upper end and is connected with ultraviolet light source, and it can realize easily utilizing the supplementary biofilm formation of light treatment, does benefit to the speed that improves the biofilm formation under the low temperature condition.

Further, the lower end of the main light guide fiber is sleeved with a photocatalyst tube, a plurality of uniformly distributed vent holes are formed in the photocatalyst tube, and titanium dioxide or a titanium dioxide compound is attached to the vent holes, so that photocatalytic water purification is easy to use at the same time.

Furthermore, the nano sterilization sleeve is sleeved on the reticular tube and is positioned at one end of the reticular tube far away from the reticular ball, the distance between the nano sterilization sleeve and the optical fiber rod is 2-3 mm, the tube wall of the nano sterilization sleeve is of a closed structure, oxygen cannot pass through the nano sterilization sleeve, the thickness of the aerobic bacterial layer is easy to control, and the aerobic bacterial layer is not easy to fall off due to over thickness.

Furthermore, the distance between the reticular ball and the film hanging rod is 3-4 mm, so that the thickness of the anaerobic bacteria layer is easy to control.

Furthermore, the distance value between the nano sterilizing sleeve and the optical fiber rod is larger than the thickness value of the aerobic bacteria layer, so that oxygen can not enter the inside of the mesh tube.

Furthermore, the outer surfaces of the optical fiber rod, the reticular ball and the reticular tube are provided with folds, and the folds can increase the contact area between the fixed tube and the biological membrane, so that the biological membrane is not easy to fall off.

Furthermore, the surface of the membrane hanging rod is rough, the rough surface is easy to improve the capturing capacity of the membrane hanging rod on microorganisms, the membrane hanging rod has stronger redistribution capacity, so that the shearing force of water flow in a biochemical pool on the biological membrane on the carrier is reduced, a favorable internal environment is provided for mixing and contacting between the microorganisms and the matrix, and the accumulation of the biological membrane on the surface of the filler is easy to promote.

Furthermore, the anti-abrasion layers are paved on the surfaces of the inner fixing ring and the outer fixing ring, so that the biological biofilm culturing optical treatment combined filler for sewage treatment is more durable.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can realize the transmission of light through the optical fiber, and the light treatment can be carried out on the biofilm by only inputting the light source to one end of the optical fiber, so that the speed of biofilm formation and the reproduction of bacteria under the low-temperature condition are favorably improved, the temperature of the whole biochemical pond is not required to be increased, and the energy is saved.

(2) The lower extreme of main optical fiber cup joints has the photocatalyst pipe, has seted up a plurality of evenly distributed's air vent on the photocatalyst pipe, is attached to the compound that has titanium dioxide or titanium dioxide on the air vent, easily uses the photocatalysis water purification simultaneously.

(3) The nano sterilizing sleeve is sleeved on the reticular tube and is positioned at one end, far away from the reticular ball, of the reticular tube, the distance between the nano sterilizing sleeve and the optical fiber rod is 2-3 mm, the tube wall of the nano sterilizing sleeve is of a closed structure, oxygen cannot pass through the nano sterilizing sleeve, the thickness of an aerobic bacterial layer is easily controlled, and the aerobic bacterial layer is not easy to fall off due to over thickness.

(4) The distance between the reticular ball and the film hanging rod is 3-4 mm, and the thickness of the anaerobic bacteria layer is easy to control.

(5) The distance value between the nano sterilizing sleeve and the optical fiber rod is larger than the thickness value of the aerobic bacteria layer, so that oxygen can not enter the inside of the reticular tube.

(6) The outer surfaces of the optical fiber rod, the reticular ball and the reticular tube are all provided with folds, and the folds can increase the contact area between the fixed tube and the biological membrane, so that the biological membrane is not easy to fall off.

(7) The surface of the film hanging rod is rough, the rough surface is easy to improve the capability of the film hanging rod for capturing microorganisms, the strong redistribution capability is realized, the shearing force of water flow in the biochemical pond on the biological film on the carrier is reduced, a favorable internal environment is provided for the mixing and the contact between the microorganisms and the matrix, and the accumulation of the biological film on the surface of the filler is easy to promote.

(8) The anti-abrasion layers are paved on the surfaces of the inner fixing ring and the outer fixing ring, so that the biological biofilm light treatment combined filler for sewage treatment is more durable.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a top view of the present invention;

FIG. 5 is a front view of the main connecting rod portion of the present invention;

fig. 6 is a schematic structural diagram of the breathable net of the invention.

The reference numbers in the figures illustrate:

the device comprises a main connecting rod 1, an inner fixing ring 2, an outer fixing ring 3, a connecting rod 4, a membrane hanging rod 5, a main light guide fiber 6, a hydroformylation fiber 7, a first light inlet fiber 8, a warm light source 9, a second light inlet fiber 10, an ultraviolet light source 11, a photocatalyst tube 12, an air vent 13, an auxiliary light guide fiber 14, a light guide fiber rod 15, a reticular ball 16, a reticular tube 17, a first nano sterilization filter screen 18, a second nano sterilization filter screen 19, a nano sterilization sleeve 20, an anaerobic bacteria layer 21, an aerobic bacteria layer 22 and an oxygen permeation screen 23.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a biological biofilm culturing optical treatment combined filler for sewage treatment comprises a main connecting rod 1, an inner fixing ring 2 is arranged on the outer side of the main connecting rod 1, a plurality of uniformly distributed biofilm culturing rods 5 are welded between the inner fixing ring 2 and the main connecting rod 1, an outer fixing ring 3 is arranged on the outer side of the inner fixing ring 2, a plurality of uniformly distributed connecting rods 4 are welded between the inner fixing ring 2 and the outer fixing ring 3, a plurality of uniformly distributed hydroformylation fibers 7 are fixedly connected to the connecting rods 4, a first through hole is formed in the main connecting rod 1, a main optical fiber 6 is fixedly connected to the first through hole, the main optical fiber 6 penetrates through the main connecting rod 1, a second through hole is formed in the biofilm culturing rods 5, an auxiliary optical fiber 14 is fixedly connected to the second through hole, the first through hole is communicated with the second through hole, and the auxiliary optical fiber 14 is fixedly connected with the main optical fiber 6, a plurality of evenly distributed optical fiber rods 15 are fixedly connected to the auxiliary optical fiber 14, one ends of the optical fiber rods 15 penetrate through the film hanging rod 5 and are located on the outer side of the film hanging rod 5, a first light inlet fiber 8 and a second light inlet fiber 10 are fixedly connected to the upper end of the main connecting rod 1, a warm light source 9 is connected to the upper end of the first light inlet fiber 8, the warm light source 9 can adopt an LED light source for emitting warm light, an ultraviolet light source 11 is connected to the upper end of the second light inlet fiber 10, a photocatalyst tube 12 is sleeved at the lower end of the main optical fiber 6, a plurality of evenly distributed air vents 13 are formed in the photocatalyst tube 12, titanium dioxide or a titanium dioxide compound is attached to the air vents 13, and photocatalytic water purification is easy to use.

Referring to fig. 3, one end of the optical fiber rod 15 located outside the membrane hanging rod 5 is fixedly connected with a mesh ball 16, one end of the mesh ball 16 away from the optical fiber rod 15 is fixedly connected with a mesh pipe 17, one end of the mesh pipe 17 away from the mesh ball 16 is fixedly connected with a second nano sterilization filter screen 19, the inner wall of the mesh pipe 17 is fixedly connected with a first nano sterilization filter screen 18, the nano structures of the first nano sterilization filter screen 18 and the second nano sterilization filter screen 19 have sterilization effects and can prevent bacteria from being attached and blocked, a nano sterilization sleeve 20 is sleeved on the mesh pipe 17, the nano sterilization sleeve 20 is located at one end of the mesh pipe 17 away from the mesh ball 16, the distance between the nano sterilization sleeve 20 and the optical fiber rod 15 is 2-3 mm, 2-3 mm is a preferred thickness of the aerobic bacteria layer 22, and 2-3 mm thickness can enable the aerobic bacteria layer 22 to play a role for a long time and not to easily fall off, the wall of the nano sterilizing sleeve 20 is of a closed structure, oxygen cannot pass through the nano sterilizing sleeve, the thickness of the aerobic bacteria layer 22 is easy to control, the biomembrane of the anaerobic bacteria layer 21 is not easy to fall off due to excessive thickness, the distance between the net-shaped ball 16 and the membrane hanging rod 5 is 3-4 mm, 3-4 mm is the better thickness of the anaerobic bacteria layer 21, the anaerobic bacteria layer 21 can play a role for a long time and is not easy to fall off due to the 3-4 mm thickness, the thickness of the anaerobic bacteria layer 21 is easy to control, the distance value between the nano sterilizing sleeve 20 and the optical fiber rod 15 is larger than the thickness value of the aerobic bacteria layer 22, oxygen cannot be influenced to enter the inside of the net-shaped pipe 17, wrinkles are arranged on the outer surfaces of the optical fiber rod 15, the net-shaped ball 16 and the net-shaped pipe 17, and can increase the contact area between the fixing.

Referring to fig. 2, an anaerobic bacteria layer 21 is hung between the net-shaped ball 16 and the membrane hanging rod 5, an aerobic bacteria layer 22 is hung between the optical fiber rod 15 and the nano sterilization casing 20, and the aerobic bacteria layer 22 can be nitrifying bacteria.

Referring to fig. 5, the surface of the biofilm culturing rod 5 is rough, which is easy to improve the microorganism capturing ability of the biofilm culturing rod 5, and has stronger redistribution ability to reduce the shearing force of the water flow in the biochemical pool to the biofilm on the carrier, and simultaneously provides a favorable internal environment for the mixing and contact between the microorganism and the substrate, which is easy to promote the accumulation of the biofilm on the surface of the filler, and the anti-abrasion layers are laid on the surfaces of the inner fixing ring 2 and the outer fixing ring 3, so that the biofilm culturing light treatment combined filler for sewage treatment is more durable.

Referring to fig. 6, oxygen permeable nets 23 are laid on the surface of the mesh-shaped ball 16 and the surface of the mesh-shaped pipe 17 not covered by the nano sterilizing casing 20, and an anticorrosive layer is coated on the oxygen permeable nets 23, so that the oxygen passing through is not affected, and the mesh-shaped pipe 17 and the mesh-shaped ball 16 are not easily corroded by the products decomposed by bacteria.

The biological biofilm culturing optical treatment combined filler for sewage treatment is filled in a biochemical pool, a warm light source 9 can be started, technicians can debug the light of the warm light source 9 according to conditions, the influence of illumination on the normal propagation and survival of bacteria can be reduced, the light can sequentially pass through the first light inlet fiber 8, the main light guide fiber 6 and the auxiliary light guide fiber 14 for conduction, finally reaches the light guide fiber rod 15, and radiates certain light and heat through the light guide fiber rod 15, when the temperature is lower, the temperature near the biofilm culturing rod 5 can be raised by the light radiated by the warm light source 9, the biofilm culturing of organisms is facilitated, the propagation of the bacteria in the anaerobic bacteria layer 21 and the aerobic bacteria layer 22 is facilitated, after the biofilm culturing is successful, the aeration is carried out in the biochemical pool, the oxygen can be radiated into the aerobic bacteria layer 22 through the reticular tube 17 and the reticular ball 16 and the reticular tube 17, the oxygen can be easily provided for the aerobic bacteria in the aerobic bacteria layer 22, do benefit to reproduction and the existence of bacterium in the good oxygen fungus layer 22, and the optical fiber stick 15 is located the inside of biomembrane, light and heat that the optical fiber stick 15 was dispersed are difficult to be broken away by the sewage in the biochemical pond, need not heat whole biochemical pond and also can reach good biofilm formation and sewage treatment's effect, great saving the energy, do benefit to the environmental protection, when needs are cleared up biofilm formation, can open ultraviolet light source 11 when opening warm light source 9, the ultraviolet ray has the effect of disinfecting, warm light source 9 can improve the temperature when ultraviolet sterilization, do benefit to the speed of disinfecting with higher speed, do benefit to comparatively convenient clearance biofilm formation and bacterium.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a biofilm light treatment combination filler for sewage treatment, includes main connecting rod (1), the outside of main connecting rod (1) is equipped with interior solid fixed ring (2), fixedly connected with a plurality of evenly distributed's biofilm rod (5) between interior solid fixed ring (2) and main connecting rod (1), the outside of interior solid fixed ring (2) is equipped with outer solid fixed ring (3), a plurality of evenly distributed's of fixedly connected with connecting rod (4) between interior solid fixed ring (2) and outer solid fixed ring (3), a plurality of evenly distributed's of fixedly connected with hydroformylation fibre (7), its characterized in that on connecting rod (4): the film hanging device is characterized in that a first through hole is formed in the main connecting rod (1), a main optical fiber (6) is fixedly connected in the first through hole, the main optical fiber (6) penetrates through the main connecting rod (1), a second through hole is formed in the film hanging rod (5), an auxiliary optical fiber (14) is fixedly connected in the second through hole, the first through hole is communicated with the second through hole, the auxiliary optical fiber (14) is fixedly connected with the main optical fiber (6), a plurality of uniformly distributed optical fiber rods (15) are fixedly connected to the auxiliary optical fiber (14), one ends of the optical fiber rods (15) penetrate through the film hanging rod (5) and are located on the outer side of the film hanging rod (5), one ends of the optical fiber rods (15) located on the outer side of the film hanging rod (5) are fixedly connected with meshed balls (16), one ends, far away from the optical fiber rods (15), of the meshed balls (16) are fixedly connected with meshed pipes (17), the one end fixedly connected with second nanometer that netted ball (16) was kept away from in netted pipe (17) filter screen (19) that disinfects, fixedly connected with first nanometer on the inner wall of netted pipe (17) filter screen (18) that disinfects, it has anaerobe layer (21) to hang between netted ball (16) and the biofilm formation pole (5), it has aerobic fungus layer (22) to hang between optical fiber stick (15) and the nanometer sleeve pipe (20) that disinfects, the upper end fixedly connected with of main connecting rod (1) advances optical fiber (8) and second and advances optical fiber (10), first advance optical fiber (8) upper end and be connected with warm light source (9), the upper end that the second advances optical fiber (10) is connected with ultraviolet ray light source (11), the lower extreme of main optical fiber (6) is cup jointed photocatalyst pipe (12), photocatalyst pipe (12) are last to be seted up a plurality of evenly distributed's air vent (13), the vent holes (13) are attached with titanium dioxide or a titanium dioxide compound.

2. The biofilm culturing light treatment combined filler for sewage treatment according to claim 1, wherein: the nano sterilizing sleeve (20) is sleeved on the reticular tube (17), the nano sterilizing sleeve (20) is positioned at one end, far away from the reticular ball (16), of the reticular tube (17), and the distance between the nano sterilizing sleeve (20) and the optical fiber rod (15) is 2-3 mm.

3. The biofilm culturing light treatment combined filler for sewage treatment according to claim 1, wherein: the distance between the reticular ball (16) and the film hanging rod (5) is 3-4 mm.

4. The biofilm culturing light treatment combined filler for sewage treatment according to claim 2, wherein: the distance value between the nano sterilizing sleeve (20) and the optical fiber rod (15) is larger than the thickness value of the aerobic bacteria layer (22).

5. The biofilm culturing light treatment combined filler for sewage treatment according to claim 1, wherein: the outer surfaces of the optical fiber rod (15), the reticular ball (16) and the reticular tube (17) are all provided with folds.

6. The biofilm culturing light treatment combined filler for sewage treatment according to claim 1, wherein: the surface of the film hanging rod (5) is a rough surface.

7. The biofilm culturing light treatment combined filler for sewage treatment according to claim 1, wherein: and the surfaces of the inner fixing ring (2) and the outer fixing ring (3) are respectively paved with an anti-abrasion layer.