CN214611755U - High-efficiency kinetic energy activation biological oxygen supply device - Google Patents
High-efficiency kinetic energy activation biological oxygen supply device Download PDFInfo
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- CN214611755U CN214611755U CN202022258805.XU CN202022258805U CN214611755U CN 214611755 U CN214611755 U CN 214611755U CN 202022258805 U CN202022258805 U CN 202022258805U CN 214611755 U CN214611755 U CN 214611755U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
An efficient kinetic energy activated biological oxygen supply device comprises a jet aeration component and an activation gas stripping backflow component; the jet aeration component comprises a jet device, a jet aeration pipe and a jet nozzle, the jet device is arranged at the upper end of the jet aeration pipe, the jet nozzle is arranged at the lower end of the jet aeration pipe, the activation gas stripping backflow component comprises a gas-liquid separator, the water inlet of the gas-liquid separator is connected with the gas collecting hood through a gas stripping pipe, the water outlet of the gas-liquid separator is connected with a backflow pipe, the inner surface of the gas collecting hood is provided with a strain activation material layer, and the strain activation material layer is fixed on the gas collecting hood through a mesh protection plate. The utility model discloses jointly use efflux aeration and activation air stripping backward flow, utilize the oxygen suppliment aeration as air stripping power, utilize the gas collecting channel to hold back gaseous realization air stripping, spray through high-speed efflux and form strong stirring shearing through large-traffic backward flow circulation and mix, form high activity, high mass transfer efficiency's good oxygen activated sludge, reduce the environmental noise pollution, improve oxygen suppliment efficiency, save the operation energy consumption.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment equipment, in particular to a high-efficiency kinetic energy activation biological oxygen supply device.
Background
At present, the most common sewage treatment process is adopted, and a biochemical treatment process is mostly adopted. The most of the sewage biochemical treatment processes include aerobic treatment processes such as aerobic activated sludge process (complete mixing, plug flow, oxidation ditch, SBR, ICEAS, CASS, DAT-IAT, UNITANK, MSBR, AB) and aerobic biofilm process (bio-contact oxidation, biological filter, biological rotary disc, biological fluidized bed, BAF). Generally, the aerobic treatment process is provided with one or more aerobic tanks containing aerobic microorganisms. The sewage is fully contacted with the aerobic microorganisms by creating an environment which is favorable for the growth of the aerobic microorganisms in the aerobic tank, thereby realizing the purification treatment of the sewage. In order to be beneficial to sewage treatment, an aeration device and a stirring plug-flow device need to be installed in the aerobic tank, wherein the aeration device maintains certain dissolved oxygen in water so as to maintain the growth of aerobic microorganisms in the tank body, and the stirring plug-flow device can fully mix sludge, air and imported sewage in the tank body and push the sludge, the air and the imported sewage along the flow direction required by the process.
The sludge activity of the existing aerobic treatment system is general, the tank is deeply influenced by a fan aeration facility, the problems of high noise, easy blockage, low oxygen supply efficiency and high energy consumption of the aeration system also exist, and when the aeration device and the stirring plug flow part have faults, the aerobic treatment system needs to be stopped and the tank body needs to be emptied and then is maintained, so that the maintenance is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a high-efficiency kinetic energy activated biological oxygen supply device with good mass transfer effect, high oxygen supply efficiency and saved operation energy consumption, which aims at the defects of the prior art.
The utility model aims to solve the technical problem by the following technical proposal, the utility model is a high-efficiency kinetic energy activation biological oxygen supply device which is characterized in that the device comprises a jet aeration component and an activation gas stripping reflux component; the jet aeration component comprises a jet device, a jet aeration pipe and a jet nozzle, wherein the jet device is arranged at the upper end of the jet aeration pipe, and the jet nozzle is arranged at the lower end of the jet aeration pipe;
the activated gas stripping backflow component comprises a gas-liquid separator serving as a gas stripping backflow main body, a water inlet of the gas-liquid separator is connected with a gas collecting hood used for intercepting gas to realize gas stripping through a gas stripping pipe, a water outlet of the gas-liquid separator is connected with a backflow pipe, a strain activating material layer is arranged on the inner surface of the gas collecting hood and fixed on the gas collecting hood through a mesh protection plate, and the strain activating material layer is a fiber net layer internally provided with an activating material.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the top of ejector is equipped with power water inlet, and the ejector bottom is equipped with the delivery port, and ejector one side is equipped with the air inlet, delivery port and efflux aeration pipe butt joint.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the gas lift pipe is equipped with a plurality of roots, and the top and the vapour and liquid separator intercommunication of every gas lift pipe, the bottom and the gas collecting channel intercommunication of every gas lift pipe.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme the gas collecting channel base is equipped with the spacing portion that supports the mesh protection shield, and spacing portion is equipped with the round along the inner wall on gas collecting channel base, and spacing portion is the arch that sets up towards the gas collecting channel center, is equipped with the recess that is used for fixing a position the mesh protection shield base in the arch.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the mesh protection shield is equipped with the net piece, is equipped with two bracing pieces that set up along gas collecting channel circumference on the net piece at least, and the body of rod of bracing piece passes through the holding ring to be fixed on the net piece, and the both ends of bracing piece all are equipped with the screw rod, are equipped with the thread bush of adjusting bracing piece length between the screw rod, through the thread bush butt joint between the screw rod.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the holding ring is equipped with two at least, establishes the equal segmentation department at the bracing piece body of rod.
Compared with the prior art, the utility model discloses an establish efflux aeration subassembly and activation air stripping backward flow subassembly, both jointly use, utilize the efflux aeration not receive the characteristics of the dark restriction in pond, under the effect that jet nozzle high-speed jet gas water formed strong stirring shearing, form large-traffic backward flow circulation through the air stripping, cause mixed liquid and the contact of bacterial activated material, form the good oxygen granule mud of high activity, high mass transfer efficiency. The activated biological oxygen supply device of the utility model can greatly improve the sludge activity of the aerobic biochemical system; the mass transfer effect of biochemical reaction is enhanced; the biochemical system is not limited by the depth of the pool, so that the occupied area is saved; the environmental noise pollution is reduced, the oxygen supply efficiency is improved, and the operation energy consumption is saved; the system is easy to maintain and convenient to maintain.
Drawings
FIG. 1 is a block diagram of an activated biological oxygen supply according to the present invention;
FIG. 2 is a view showing the structure of a mesh protection plate;
fig. 3 is a partial structural view of the gas collecting hood limiting part.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings, so as to enable those skilled in the art to further understand the present invention, without constituting a limitation to the right of the present invention.
Referring to fig. 1-3, a high-efficiency kinetic energy activated biological oxygen supply device comprises a jet aeration component and an activation gas stripping backflow component; the jet aeration component comprises a jet device 1, a jet aeration pipe 2 and a jet nozzle 3, wherein the jet device 1 is arranged at the upper end of the jet aeration pipe 2, the jet nozzle 3 is arranged at the lower end of the jet aeration pipe 2, the top of the jet device 1 is provided with a power water inlet 4, the bottom of the jet device 1 is provided with a water outlet, one side of the jet device 1 is provided with an air inlet 5, and the water outlet is butted with the jet aeration pipe 2;
the activated gas stripping backflow component comprises a gas-liquid separator 9 serving as a gas stripping backflow main body, a water inlet of the gas-liquid separator 9 is connected with a gas collecting hood 7 used for intercepting gas to realize gas stripping through a gas stripping pipe 8, a water outlet of the gas-liquid separator 9 is connected with a backflow pipe 10, a strain activating material layer 6 is arranged on the inner surface of the gas collecting hood 7 and is a fiber net layer with an activating material arranged inside, the strain activating material layer 6 is fixed on the gas collecting hood 7 through a mesh protecting plate, the area of the mesh protecting plate is larger than or equal to that of the inner surface of the gas collecting hood, the gas collecting hood 7 is not limited to a conical hood or a cuboid hood, the gas stripping pipes 8 are symmetrically or asymmetrically arranged, the top of each gas stripping pipe 8 is communicated with the gas-liquid separator 9, and the bottom of each gas stripping pipe 8 is communicated with the gas collecting hood 7.
If the inner surface area of the gas collecting hood is not large, the gas collecting hood and the mesh protection plate both adopt metal meshes such as stainless steel meshes, and the mesh protection plate can be welded on the gas collecting hood in a welding mode; if the inner surface area of the gas-collecting hood is large and the welding mode is inconvenient to adopt, the following structure is adopted for fixing:
a limiting part 16 for supporting the mesh protection plate is arranged at the bottom edge of the gas collecting hood 7, a circle of limiting part 16 is arranged along the inner wall of the bottom edge of the gas collecting hood 7, the limiting part 16 is a bulge arranged towards the center of the gas collecting hood, and a groove 17 for positioning the bottom edge of the mesh protection plate is arranged on the bulge to prevent the mesh protection plate from shifting;
the mesh protection plate is provided with a mesh 12, at least two support rods 13 arranged along the circumferential direction of the gas collecting hood are arranged on the mesh 12, the support rods have elasticity, rod bodies of the support rods 13 are fixed on the mesh 12 through positioning rings 14, screw rods are arranged at two ends of each support rod 13, threaded sleeves 15 for adjusting the length of the support rods are arranged between the screw rods, the screw rods are in butt joint through the threaded sleeves 15, at least two positioning rings 14 are arranged at equal sections of the rod bodies of the support rods 13, meshes of the mesh protection plate are not limited to prismatic shapes or square shapes, and the sizes of the meshes are set as required; when the mesh protection plate is installed, the threaded sleeve is loosened, the mesh is coiled into a shape attached to the inner wall of the gas collecting channel, the screws at two ends of the supporting rod are butted through the threaded sleeve, the sum of the length of the threaded sleeve and the length of the supporting rod is larger than the circumference of the gas collecting channel with the plane where the supporting rod is located, and the threaded sleeve is matched with the limiting part at the bottom edge of the gas collecting channel, so that the supporting rod is expanded on the inner wall of the gas collecting channel.
The specific implementation mode is as follows: in the biochemical treatment aerobic tank, the jet aeration component provides oxygen supply aeration, the power water enters the jet device 1 through the power water inlet 4 of the jet device 1, negative pressure is formed in the ejector 1 through jet flow, air is sucked from the air inlet 5, after air and water are mixed in the ejector 1, the gas-liquid mixture is delivered to the jet flow nozzle 3 to be sprayed into the pool at high speed through the jet flow aeration pipe 2, the gas rises to drive a large amount of mud-water mixed liquor to contact with the strain activating material 6 on the gas collecting hood 7, the mud-water mixed liquor is collected by the gas collecting hood 7 and then reaches the gas-liquid separator 9 through the gas stripping pipe 8, the separated mud-water mixed liquor flows back to the bottom of the aerobic pool from the return pipe 10 communicated with the lower part of the gas-liquid separator 9 to form a strong shearing and violent stirring state under the combined action of high-speed spraying with the jet flow nozzle 3, thereby achieving the condition of generating aerobic activated sludge with high activity and high mass transfer and greatly improving the oxygen supply efficiency.
The technical key point of the high-efficiency kinetic energy activated biological oxygen supply device of the utility model is that the jet aeration is not limited by the depth of the pool; the jet nozzle is used for jetting air water at a high speed to form the characteristic of strong stirring and shearing; oxygen supply aeration is used as air stripping power; gas is intercepted by the gas-collecting hood to realize gas stripping; forming a large-flow reflux circulation through gas stripping; forming rotational flow stirring, shearing and mixing through high-flow backflow circulation; and forming a large-flow mixed liquid by gas stripping to contact with the strain activating material. The fully activated sludge is fully stirred, sheared and mixed in a biochemical pool under the action of gas, water and sludge to form aerobic granular sludge with high activity and high mass transfer efficiency. The equipment can greatly improve the sludge activity of the aerobic biochemical system; the mass transfer effect of biochemical reaction is enhanced; the biochemical system is not limited by the depth of the pool, so that the occupied area is saved; the environmental noise pollution is reduced, the oxygen supply efficiency is improved, and the operation energy consumption is saved; the system is easy to maintain and convenient to maintain.
The above embodiments are only used to clearly illustrate the technical solutions of the present invention, and the protection scope of the present invention includes but is not limited to the above embodiments, and any suitable changes or substitutions made by those skilled in the art according to the claims of the present invention and any shown technical fields should fall within the patent protection scope of the present invention.
Claims (7)
1. An efficient kinetic energy activated biological oxygen supply device is characterized in that: comprises a jet aeration component and an activation gas stripping reflux component; the jet aeration component comprises a jet device, a jet aeration pipe and a jet nozzle, wherein the jet device is arranged at the upper end of the jet aeration pipe, and the jet nozzle is arranged at the lower end of the jet aeration pipe;
the activation gas stripping backflow component comprises a gas-liquid separator serving as a gas stripping backflow main body, a water inlet of the gas-liquid separator is connected with a gas collecting hood used for intercepting gas to realize gas stripping through a gas stripping pipe, a water outlet of the gas-liquid separator is connected with a backflow pipe, a strain activation material layer is arranged on the inner surface of the gas collecting hood, and the strain activation material layer is fixed on the gas collecting hood through a mesh protection plate.
2. The efficient kinetic energy activated biological oxygen supply of claim 1 wherein: the top of the ejector is provided with a power water inlet, the bottom of the ejector is provided with a water outlet, one side of the ejector is provided with an air inlet, and the water outlet is butted with a jet aeration pipe.
3. The efficient kinetic energy activated biological oxygen supply of claim 1 wherein: the gas stripping device is characterized in that the number of the gas stripping pipes is multiple, the top of each gas stripping pipe is communicated with the gas-liquid separator, and the bottom of each gas stripping pipe is communicated with the gas collecting hood.
4. The efficient kinetic energy activated biological oxygen supply of claim 1 wherein: the bottom edge of the gas-collecting hood is provided with a limiting part for supporting the mesh protection plate, and the limiting part is provided with a circle along the inner wall of the bottom edge of the gas-collecting hood.
5. The efficient kinetic energy activated biological oxygen feeder of claim 4, wherein: the limiting part is a bulge arranged towards the center of the gas-collecting hood, and a groove used for positioning the bottom edge of the mesh protection plate is arranged on the bulge.
6. The efficient kinetic energy activated biooxygenator of claim 4 or 5 wherein: the mesh protection shield is provided with a mesh, at least two support rods arranged along the circumferential direction of the gas collecting hood are arranged on the mesh, the rod bodies of the support rods are fixed on the mesh through positioning rings, screw rods are arranged at two ends of each support rod, thread sleeves for adjusting the length of the support rods are arranged between the screw rods, and the screw rods are butted through the thread sleeves.
7. The efficient kinetic energy activated biological oxygen feeder of claim 6, wherein: the locating rings are at least two and are arranged at the equal-dividing sections of the support rod body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022258805.XU CN214611755U (en) | 2020-10-12 | 2020-10-12 | High-efficiency kinetic energy activation biological oxygen supply device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022258805.XU CN214611755U (en) | 2020-10-12 | 2020-10-12 | High-efficiency kinetic energy activation biological oxygen supply device |
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| CN214611755U true CN214611755U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385537A (en) * | 2022-08-16 | 2022-11-25 | 滁州职业技术学院 | Activation treatment equipment based on environmental engineering sludge microorganisms |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385537A (en) * | 2022-08-16 | 2022-11-25 | 滁州职业技术学院 | Activation treatment equipment based on environmental engineering sludge microorganisms |
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