CN205419912U - Circulatingly oxygenate biochemical ware - Google Patents

Circulatingly oxygenate biochemical ware Download PDF

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Publication number
CN205419912U
CN205419912U CN201620279432.5U CN201620279432U CN205419912U CN 205419912 U CN205419912 U CN 205419912U CN 201620279432 U CN201620279432 U CN 201620279432U CN 205419912 U CN205419912 U CN 205419912U
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China
Prior art keywords
water
biochemical
decanting
guide plate
biochemical reaction
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Withdrawn - After Issue
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CN201620279432.5U
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Chinese (zh)
Inventor
陈传艳
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XIAMEN BAST CLEAN ENVIRONMENTAL TECHNOLOGIES CO LTD
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XIAMEN BAST CLEAN ENVIRONMENTAL TECHNOLOGIES CO LTD
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Priority to CN201620279432.5U priority Critical patent/CN205419912U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Biological Treatment Of Waste Water (AREA)

Abstract

The utility model discloses a circulatingly oxygenate biochemical ware, including biochemical reaction basin, this biochemical reaction basin is equipped with the water inlet, strains the hydrophone, blowdown mud mouth, and aeration systems has been laid to the bottom, diversion system and waffle slab has still set firmly in the biochemical reaction basin, diversion system includes unsettled guide plate of arranging and overhead guard, the guide plate arranges along the upstream and downstream direction, each two guide plate in to the guide plate each other in the face of and the two distance by last to down by closely extremely far, the overhead guard cross -section is the style of calligraphy of falling V, and the cover is detained in the guide plate top, and the top of guide plate is located the lower limb of overhead guard, waffle slab edge perpendicular to upstream and downstream direction is arranged, and the waffle slab is located the guide plate low reaches, sewage passes through the water inlet and gets into biochemical reaction basin, and aeration systems aeration, the mixed liquid that obtains stew and deposit afterwards, upper water through the waffle slab again bioflocculation through straining hydrophone discharge biochemical reaction basin. The utility model discloses a circulatingly oxygenate biochemical ware, biochemical reactions is more thorough, deposits more fully, and it is good to go out water quality of water.

Description

Circulating type oxygenation biochemical device
Technical Field
The utility model belongs to the sewage treatment field, concretely relates to circulating oxygenation biochemical ware.
Background
The conventional treatment method for rural domestic sewage at present comprises biological contact oxidation + artificial wetland, biological rotating disc + artificial wetland, trickling filter + artificial wetland, methane tank + dripping aeration + artificial wetland, Membrane Bioreactor (MBR), Biological Aerated Filter (BAF) + artificial wetland and the like. The treatment processes basically utilize the physiological characteristics of microorganisms and artificial engineering technical measures, and adopt the artificial wetland advanced treatment. The artificial wetland has large occupied area, is easily influenced by plant diseases and insect pests, has troublesome management, high labor intensity of filler regeneration and extremely unstable biochemical process of an ecological system, and causes poor operation sustainability of the process.
The Sequencing Batch Reactor (SBR) is an activated sludge sewage treatment technology which operates according to intermittent sequencing batch mode, adopts an operation mode of time division to replace an operation mode of space division, and adopts static precipitation to replace traditional dynamic precipitation. The SBR biochemical reaction tank is characterized by orderly and intermittently operating in operation, the core of the SBR technology is a completely mixed SBR biochemical reaction tank, and the tank integrates the functions of homogenization, primary sedimentation, biodegradation, secondary sedimentation and the like in a first tank and has no sludge backflow system. The SBR technology has the advantages of good purification treatment effect, good effluent quality, stable and flexible operation, short hydraulic retention time, high efficiency and organic load and toxic load impact resistance; the device has the advantages of compact arrangement, small occupied area, less treatment equipment, simple structure, low manufacturing cost and operating cost, and convenient operation, maintenance and management, and is particularly suitable for occasions with large intermittent discharge and flow change. However, the existing SBR technology does not have an advanced treatment module, the effluent generally cannot reach a primary A standard which is basically required by the effluent of a town sewage treatment plant as reuse water in the pollutant discharge standard of a GB 18918-2002 town sewage treatment plant, most of the effluent can only reach a primary B standard, and a post-treatment module is additionally arranged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a circulating oxygenation biochemical device, which has more thorough reaction and more sufficient sedimentation, and the effluent can reach the first-level A standard required by the pollutant discharge standard of GB 18918-2002 urban sewage treatment plants.
The utility model provides a technical scheme that its technical problem adopted is:
a circulating oxygenation biochemical device comprises a biochemical reaction tank, wherein the biochemical reaction tank is provided with a water inlet, a decanter for decanting water and a sludge discharge port; an aeration system is laid at the bottom of the biochemical reaction tank; a flow guide system and a grid plate are fixedly arranged in the biochemical reaction tank; the flow guide system comprises at least one pair of flow guide plates and a top cover which are arranged in a hanging manner; the guide plate is arranged along the upstream direction and the downstream direction, and the bottom end of the guide plate is positioned above the aeration system; the two guide plates in each pair of guide plates face each other and the distance between the two guide plates is from top to bottom from near to far; the top cover is in an inverted V-shaped cross section, the top cover is buckled above the guide plate, and the top end of the guide plate is positioned in the lower edge of the top cover and is not contacted with the guide plate; the grid plate is arranged along the direction perpendicular to the upstream direction and the downstream direction, and the grid plate is positioned at the downstream of the flow guide plate; sewage enters the biochemical reaction tank through the water inlet, the aeration system aerates, the obtained mixed liquid is kept stand and precipitated, and the upper layer water is discharged out of the biochemical reaction tank through the grid plate and the decanter.
In one embodiment: the included angle between the guide plate and the horizontal direction is 55-80 degrees, and particularly 55-60 degrees is preferred; the vertex angle of the inverted V-shaped top cover is 55-60 degrees, so that circulation can be guaranteed to be formed, and sludge can be prevented from being deposited on the guide plate and the top cover.
In one embodiment: two guide plates in each pair of guide plates are arranged in a mirror symmetry mode, and the symmetry axis of the two guide plates is coincident with the central axis of the top cover.
In one embodiment: the mesh aperture of net board is 5 ~ 8mm, and this aperture can guarantee to form better swirl. If the pore size is too large or too small, an optimal vortex cannot be formed, which is not favorable for flocculation and sedimentation of particles.
In one embodiment: the aeration system comprises aeration pipes and a plurality of aeration components which are communicated with each other, and the plurality of aeration components are uniformly distributed at the bottom of the biochemical reaction tank.
In one embodiment: the decanter is a downward-entering type floating barrel decanter and comprises a floating barrel, a connecting rod, a decanting water tank, a decanting water pipe and a sleeve which are arranged up and down; the buoy is of a closed hollow cylindrical structure; the water decanting tank is of a hollow cylindrical structure and is fixedly connected under the floating barrel through a connecting rod, and the notch is arranged under the water decanting tank; the water decanting pipe is vertically arranged right below the water decanting tank and is communicated with the water decanting tank; the sleeve is vertically and fixedly connected in the biochemical reaction tank, and the lower section of the decanting pipe is hermetically and slidably arranged in the upper section of the sleeve and can slide up and down relative to the sleeve; the lower end of the sleeve is communicated with the water outlet pipe.
In one embodiment: the floating barrels and the decanting tank are arranged in parallel at intervals; the water decanting tank and the water decanting pipe are matched with each other to form a T-shaped structure.
In one embodiment: and the water outlet pipe is also provided with a branch pipe for automatically discharging the initial water outlet of the decanter to the water inlet of the biochemical reaction tank.
Compared with the background technology, the technical scheme has the following advantages:
1. the oxygen is circularly charged, the biochemical reaction is thorough: under the action of the pushing and flow guiding system of aeration, the gas and the mixed liquid perform circular flow motion along the flow guiding plate so as to enable the mixed liquid and the oxygen to be in a complete state, so that the mixed liquid can be fully transferred and utilized, the utilization rate of the oxygen and the pool solution are greatly improved, and the efficiency of the microbial treatment enzymatic reaction is promoted and improved; meanwhile, the formation of hydraulic circulation has the function of activating sludge, so that the activated sludge is fully dispersed and changed into granular sludge, each granular sludge is a micro biochemical apparatus, the synchronous nitrification and denitrification and phosphorus removal functions are formed, and the biochemical reaction is more thorough; in addition, the guide plate plays a role in shallow tank separation in the mud-water separation process of the biochemical device, a large number of biological membranes are attached to the guide plate, and a high-concentration mixed liquor MLSS ecological system with symbiosis of mud membranes is formed in the system. Therefore, the utility model discloses a circulating biochemical utensil of oxygenating has sludge load height, the pond holds high-usage, the pond holds little, ecosystem equilibrium stability is good, resistant dirty thing impact property is strong, can improve biochemical ware hold advantages such as change performance. Therefore, under the same working condition, the utility model discloses can gain more abundant thorough treatment effect, reduce aeration rate and aeration number of times even and also can reach same treatment effect, realize energy saving and emission reduction.
2. And (3) secondary mud-water separation, wherein the separation is sufficient: the grid plate is arranged in the biochemical reaction tank, which plays an active synergistic effect on the formation of the precipitated flocs and the hydraulic steady flow, the water flow forms a vortex when passing through the meshes of the grid plate, small pollutant particles are flocculated and aggregated in the vortex to form large particles and are rapidly settled downwards to form secondary mud-water separation after the aeration is finished and the sedimentation layering is finished, the secondary mud-water separation can fully remove suspended matters and colloidal substances, the mud-water separation effect is enhanced, and the quality of the effluent water is better,
3. the formula of advancing is intake down, avoids the dross: the water outlet adopts a downward-entering type floating barrel decanter, and the notch is arranged right below the decanting water tank, so that floating slag, foam and the like floating on the water surface can be prevented from entering the decanter during water inlet, and the water quality of the water outlet is prevented from being polluted; meanwhile, the decanter is small in size, small in occupied space and high in decanting efficiency.
4. The utility model discloses a biochemical ware (XCSBR) is oxygenated to circulation is the improvement to current SBR technique, makes the reaction more thorough through diversion system, makes through the grid plate deposit more fully, strains the hydrophone through advancing formula flotation pontoon down and makes the play water not polluted to make play water quality of water can directly reach the one-level A standard among GB 18918-2002 town sewage treatment plant pollutant emission standard.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic top plan view of a circulating oxygenation biochemical reactor (XCSBR) of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1, focusing on the flow guide system.
FIG. 3 is a schematic cross-sectional view B-B of FIG. 1, with emphasis on showing a grid plate.
Fig. 4 is a schematic view of the section C-C of fig. 1, with emphasis on illustrating the decanter.
Fig. 5 is a schematic cross-sectional view taken along line D-D of fig. 4.
Reference numerals: the biochemical reaction tank 10, the water inlet pipe 11, the water outlet pipe 12, the branch pipe 121, the submersible pump 13, the aeration system 14, the aeration pipe 141, the aeration component 142 and the air inlet pipe 143; a flow guiding system 20, a flow guiding plate 21 and a top cover 22; a mesh plate 30; the device comprises a decanter 40, a buoy 41, a connecting rod 42, a decanting tank 43, a notch 431, a decanting pipe 44 and a sleeve 45.
Detailed Description
The following examples are intended to illustrate the invention:
referring to fig. 1 to 5, a circulating oxygenation biochemical reactor (XCSBR) includes a biochemical reaction tank 10 for performing a sewage treatment, the biochemical reaction tank having a water inlet, a decanter 40 for draining water, and a sludge discharge port; the water inlet is communicated with a water inlet pipe 11; the decanter is communicated with a water outlet pipe 12, and a branch pipe 121 for discharging the initial water outlet of the decanter 40 to the water inlet of the biochemical reaction tank 10 is additionally arranged on the water outlet pipe 12; numerical control valves are arranged on the water outlet pipe 12 and the branch pipe 121; the sludge discharge port can be provided with a submersible pump 13 for discharging water and sludge at the bottom of the biochemical reaction tank 10; the aeration system 14 is laid at the bottom of the biochemical reaction tank 10 and comprises an aeration pipe 141 and a plurality of aeration components 142 which are arranged on the aeration pipe 141 and communicated with the aeration pipe 141, the aeration pipe 141 is connected with external gas generation equipment such as a fan and the like through an air inlet pipe 143, and the plurality of aeration components 142 are uniformly distributed at the bottom of the biochemical reaction tank 10 and used for carrying out aeration treatment on sewage in the biochemical reaction tank 10;
A flow guide system 20 and a grid plate 30 are fixedly arranged in the biochemical reaction tank; wherein,
the diversion system 20 comprises a pair of diversion plates 21 and a top cover 22 which are arranged in the biochemical reaction tank in a suspended manner, for example, the diversion plates 21 and the top cover 22 are fixed on the tank wall of the biochemical reaction tank 10 through steel bars or pre-buried brackets, and the diversion plates 21 and the top cover 22 are suspended in the biochemical reaction tank 10; for convenience of description, in the embodiment, the water inlet is used as an upstream, the decanter 40 is used as a downstream, the guide plate 21 is arranged along an upstream direction and a downstream direction, that is, the plane of the guide plate 21 is arranged along the upstream direction and the downstream direction of the water flow, so as to avoid blocking the water flow, preferably, the plane of the guide plate 21 is parallel to the upstream direction and the downstream direction of the water flow, and an included angle a between the plane of the guide plate 21 and the horizontal direction is 55 to 80 degrees, preferably 55 to 60 degrees; the bottom end of the guide plate 21 is positioned above the aeration assembly 142; the two guide plates 21 are opposite to each other and arranged in mirror symmetry, and the distance between the two guide plates is from top to bottom from near to far, so that the two guide plates 21 are arranged into a structure similar to two sides of a trapezoid when seen from the side; the top cover 22 is also arranged along the upstream direction and the downstream direction of the water flow to avoid blocking the water flow, the cross section of the top cover 22 is in an inverted V shape, the central axis of the inverted V-shaped top cover 22 is overlapped with the vertical direction, the vertex angle b of the top cover 22 is 55-60 degrees, and the mirror symmetry axes of the two guide plates 21 are overlapped with the central axis of the top cover 22; the top cover 22 covers and buckles the guide plate 21, and the top end of the guide plate 21 is positioned in the lower edge of the top cover 22 and the two are not contacted with each other (as shown in fig. 2);
The deflector 21 and the top shield 22 may be made of conventional materials, such as metal, or other materials suitable for use in SBR technology.
The grid plates 30 are arranged in a direction perpendicular to the upstream and downstream directions (as shown in FIG. 3), and the grid plates 30 are located downstream of the baffle system 20; the grid plate 30 is made of metal material such as 304, and the aperture of the mesh is preferably 5-8 mm.
The utility model discloses the on-the-spot use as follows:
the XCSBR running period comprises: water intake → mixing → cyclic aeration → precipitation → decantation. The whole operation program can be manually adjusted through the prior art, such as a PLC program, and the operation time of each stage is adjusted according to the requirements of inflow water quality and outflow water quality. The method comprises the following specific steps:
water inlet and mixing stage: sewage to be treated enters the biochemical reaction tank 10 through a water inlet by a water inlet pipe 11 and is mixed with sludge in the biochemical reaction tank 10 to generate mixed liquid, denitrifying bacteria and phosphorus accumulating bacteria in the sludge are subjected to denitrification and phosphorus release under the supply of rich volatile fatty acid VFA, ADP → ADT is carried out, and meanwhile, the phosphorus accumulating bacteria absorb VFA to become PHB (poly beta-hydroxybutyrate) and store the PHB in microorganisms; after the water inlet reaches a certain water level, the water inlet is automatically stopped;
and (3) a cyclic aeration stage: after the sewage water inlet reaches a certain water level, the water inlet is automatically stopped; aeration and automatic aeration are carried out, the main functions of the cyclic aeration process are nitrification, Kjeldahl nitrogen removal and carbonization, and meanwhile, the PHB is used as a substrate by the phosphorus-accumulating bacteria for propagation (ADT → ADP). In this embodiment, the aeration component 142 is located at the bottom of the biochemical reaction tank 10, along with the progress of aeration, the gas flows upward from the bottom, the mixed liquid is stirred to flow upward, and then continuously rises along the flow guide plate surface after contacting the flow guide plate 21 until contacting the top cover 22, the moving direction of the gas and the mixed liquid is changed under the shielding of the top cover 22, and then the gas and the mixed liquid flow out from the gap between the top cover 22 and the flow guide plate 21 and flow downward along the flow guide plate 21 surface, and then return to the bottom of the biochemical reaction tank 10 and flow upward under the driving of aeration again, so that the gas and the mixed liquid perform circular flow movement along the flow guide plate 21, so that the mixed liquid and the oxygen can be sufficiently transferred and utilized, the utilization rate of the oxygen and the tank; meanwhile, the formation of hydraulic circulation has the function of activating sludge, so that the activated sludge is fully dispersed and changed into granular sludge, and each granular sludge is a miniature biochemical device, so that the reaction is more thorough;
A precipitation stage: after aeration is finished, standing and precipitating the mixed solution to form upper and lower water mud layering; at the moment, large-particle sludge is fully precipitated; a small amount of smaller particles, suspended matters and the like are also contained in the upper-layer water;
decanting stage: after the precipitation is finished, the numerical control valve is automatically opened, and the decanter 40 begins to decant water; the branch pipe 121 is opened first, the initial effluent is drained back to the water inlet of the biochemical reaction tank 10, and the water outlet pipe 12 is opened for formal drainage; in the decanting process, the upper layer water flow passes through the grid plate 30 to carry out sludge particle re-flocculation and hydraulic flow stabilization, remove suspended matters and phosphorus-rich sludge, and simultaneously carry out the stabilization and physiological conditioning of microorganisms; specifically, when water flows through the meshes of the grid plate 30, vortexes can be formed, and the small colloidal particles are strengthened to collide with each other in the vortexes and flocculate and aggregate to form large particles in the collision process; according to the stokes principle, the settling velocity of particles is in direct proportion to the square of the particle size of the particles, so that small particles are rapidly settled downwards in the process of gradually increasing the size, the secondary sedimentation can fully remove small particles and suspended matters, the sludge-water separation effect is enhanced, the effluent quality is cleaner, and the effluent can directly reach the first-level A standard in the pollutant discharge standard of the GB 18918-2002 urban sewage treatment plant; and after the decanting depth reaches a certain position, automatically closing the numerical control valve, stopping decanting, and ending one operation cycle.
In the present embodiment, the decanter 40 is a downward-entering type float decanter, as shown in fig. 4 and 5, which includes a float 41, a connecting rod 42, a downward-entering type decanting tank 43, a decanting pipe 44 and a sleeve 45 arranged up and down, and the float 41, the connecting rod 42, the decanting tank 43, the decanting pipe 44 and the sleeve 45 are located on the same vertical plane; the float 41 and the decanting tank 43 are two hollow cylindrical structures, preferably elliptical cylindrical structures, which are connected through a connecting rod 42 and arranged in parallel at intervals, but the float 41 is totally enclosed and is used for providing buoyancy for the decanter 40, so that the water can be suspended in water and can change along with the change of water level; the opening, namely a notch 431 for water inlet, is arranged at the right lower part of the water decanting tank 43; the float 41 and the water decanting tank 43 are horizontally suspended in the water, the float 41 is arranged above the water decanting tank 43; the water decanting pipe 44 is vertically arranged and fixedly connected right below the middle part of the water decanting tank 43, and the water decanting pipe 44 and the water decanting tank 43 are matched with each other to form a T-shaped structure and are communicated with each other; the sleeve 45 is vertically and fixedly connected to the wall of the biochemical reaction tank 10 through a steel bar or a pre-embedded bracket, and the lower section of the decanting pipe 44 is hermetically and slidably connected to the upper section of the sleeve 45 through a plurality of sealing rings and can slide up and down relative to the sleeve; the lower end of the sleeve 45 is communicated with the water outlet pipe 12 which is arranged obliquely.
When water is drained, the numerical control valve of the branch pipe 121 is opened firstly, and the water stored in the decanter 40 and the water discharged from the initial section of the decanter 40 are automatically drained back to the water inlet of the biochemical reaction tank 10; then the branch pipe 121 is closed, the numerical control valve of the water outlet pipe 12 is opened, and as the decanting water progresses, the upper layer water in the biochemical reaction tank 10 enters the decanting water tank 43 from the notch 431, converges into the decanting water pipe 44, and is discharged through the decanting water pipe 44, the sleeve pipe 45 and the water outlet pipe 12; as the water level gradually decreases, the float 41 moves downward along with the water level, and simultaneously drives the water decanting pipe 44 to slide downward in the sleeve 45, so that the water decanting device 40 descends along with the decrease of the water level; when the water drainage is stopped and water is re-fed, the float 41 moves upwards along with the water level as the water level gradually rises, and simultaneously drives the water decanting pipe 44 to slide upwards in the sleeve 45, so that the water decanting device 40 rises along with the rise of the water level.
The notch 431 of the water decanting tank 43 of the water decanting device 40 is arranged right below the water decanting tank 43, so that floating slag, foam and the like floating on the water surface cannot enter the water decanting device 40 when water enters, the pollution to the discharged water is avoided, and the design that a mudguard is arranged at the notch 431 can be omitted; secondly, the decanter 40 adopts a form that the decanting pipe 44 slides up and down in the sleeve 45 in a sealing way, and has the advantages of simple structure, small volume, small occupied space, compact matching of all parts, stable operation, uniform decanting speed and stable and non-fluctuating water surface; the design of the float 41 and the sliding sleeve can also ensure that the decanter 40 changes along with the change of the water level, and the water depth at the notch 431 is kept stable, so that the optimal effect of decanting is achieved, and the upper-layer water in the biochemical reaction tank 10 can be accurately discharged without stirring the sludge at the bottom layer.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims (8)

1. A circulating oxygenation biochemical device comprises a biochemical reaction tank, wherein the biochemical reaction tank is provided with a water inlet, a decanter for decanting water and a sludge discharge port; an aeration system is laid at the bottom of the biochemical reaction tank; the method is characterized in that: a flow guide system and a grid plate are fixedly arranged in the biochemical reaction tank; the flow guide system comprises at least one pair of flow guide plates and a top cover which are arranged in a hanging manner; the guide plate is arranged along the upstream direction and the downstream direction, and the bottom end of the guide plate is positioned above the aeration system; the two guide plates in each pair of guide plates face each other and the distance between the two guide plates is from top to bottom from near to far; the top cover is in an inverted V-shaped cross section, the top cover is buckled above the guide plate, and the top end of the guide plate is positioned in the lower edge of the top cover and is not contacted with the guide plate; the grid plate is arranged along the direction perpendicular to the upstream direction and the downstream direction, and the grid plate is positioned at the downstream of the flow guide plate; sewage enters the biochemical reaction tank through the water inlet, the aeration system aerates, the obtained mixed liquid is kept stand and precipitated, and the upper layer water is discharged out of the biochemical reaction tank through the grid plate and the decanter.
2. The circulating oxygenation biochemical apparatus according to claim 1, characterized in that: the included angle between the guide plate and the horizontal direction is 55-80 degrees; the apex angle of the inverted V-shaped top cover is 55-60 degrees.
3. The circulating oxygenation biochemical apparatus according to claim 1, characterized in that: two guide plates in each pair of guide plates are arranged in a mirror symmetry mode, and the symmetry axis of the two guide plates is coincident with the central axis of the top cover.
4. The circulating oxygenation biochemical apparatus according to claim 1, characterized in that: the aperture of the meshes of the grid plate is 5-8 mm.
5. The circulating oxygenation biochemical apparatus according to claim 1, characterized in that: the aeration system comprises aeration pipes and a plurality of aeration components which are communicated with each other, and the plurality of aeration components are uniformly distributed at the bottom of the biochemical reaction tank.
6. The circulating oxygenation biochemical apparatus according to claim 1, characterized in that: the decanter is a downward-entering type floating barrel decanter and comprises a floating barrel, a connecting rod, a decanting water tank, a decanting water pipe and a sleeve which are arranged up and down; the buoy is of a closed hollow cylindrical structure; the water decanting tank is of a hollow cylindrical structure and is fixedly connected under the floating barrel through a connecting rod, and the notch is arranged under the water decanting tank; the water decanting pipe is vertically arranged right below the water decanting tank and is communicated with the water decanting tank; the sleeve is vertically and fixedly connected in the biochemical reaction tank, and the lower section of the decanting pipe is hermetically and slidably arranged in the upper section of the sleeve and can slide up and down relative to the sleeve; the lower end of the sleeve is communicated with the water outlet pipe.
7. The circulating oxygenation biochemical analyzer of claim 6, wherein: the floating barrels and the decanting tank are arranged in parallel at intervals; the water decanting tank and the water decanting pipe are matched with each other to form a T-shaped structure.
8. The circulating oxygenation biochemical analyzer of claim 6, wherein: and the water outlet pipe is also provided with a branch pipe used for discharging the initial water outlet of the decanter to the water inlet of the biochemical reaction tank.
CN201620279432.5U 2016-04-06 2016-04-06 Circulatingly oxygenate biochemical ware Withdrawn - After Issue CN205419912U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668779A (en) * 2016-04-06 2016-06-15 厦门百仕洁环保科技有限公司 Circular-oxygenation biochemical device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668779A (en) * 2016-04-06 2016-06-15 厦门百仕洁环保科技有限公司 Circular-oxygenation biochemical device
CN105668779B (en) * 2016-04-06 2019-05-21 厦门百仕洁环保科技有限公司 A kind of circulating oxygenation biochemical device

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