CN210736319U - Spiral-flow type anaerobic reactor - Google Patents
Spiral-flow type anaerobic reactor Download PDFInfo
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- CN210736319U CN210736319U CN201921630001.9U CN201921630001U CN210736319U CN 210736319 U CN210736319 U CN 210736319U CN 201921630001 U CN201921630001 U CN 201921630001U CN 210736319 U CN210736319 U CN 210736319U
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Abstract
The utility model discloses a spiral-flow type anaerobic reactor; comprises a reactor chamber body, and a gas-liquid separator and a water-sealed tank which are connected and arranged above the reactor chamber body; a three-dimensional rotational flow water distribution system, a first-stage three-phase separator, a backflow water collection system, a second-stage three-phase separator and a water outlet device are arranged in the reactor chamber from bottom to top; the reactor chamber body is also internally provided with a gas collecting system, the gas collecting system is connected with a gas inlet of the gas-liquid separator, and a separation liquid outlet of the gas-liquid separator is connected with a separation liquid return pipe arranged in the reactor chamber body; the three-dimensional rotational flow water distribution system comprises an inlet water distribution device and a backflow water distribution device arranged above the inlet water distribution device. The utility model discloses a three-dimensional whirl water distribution system, energy dissipation three-phase separator, the streamlined backward flow water-collecting device of syntropy of proprietary design found the multi-phase multi-level different characteristic's flow field in the reactor to guarantee anaerobic reaction efficiency and gas cement separation effect.
Description
Technical Field
The utility model relates to a waste water treatment technology especially relates to a spiral-flow type anaerobic reactor.
Background
Since the 70's in the 20 th century, anaerobic biological treatment of wastewater has been rapidly developed, and reactors represented by UASB, EGSB, IC, etc. have been widely used, which have the advantages of high load, less investment, less operating cost, and capability of recovering part of energy, however, in application, conventional anaerobic treatment of medium-low concentration wastewater has the problems of low ① reaction gas production, low downcomer return flow, large external return flow, high energy consumption, low ② organic load, difficulty in forming granular sludge, and easy loss of flocculent sludge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rational in infrastructure, treatment effect are good, area is little, the cost is low, operation management is convenient, be difficult for blockking up, can obviously improve the water distribution homogeneity, be applicable to waste water treatment system's Cyclone Anaerobic Reactor (CAR for short).
The purpose of the utility model is realized through the following technical scheme:
the utility model relates to a spiral-flow type anaerobic reactor, which comprises a reactor chamber body, and a gas-liquid separator 1 and a water-sealed tank 2 which are connected and arranged above the reactor chamber body; a three-dimensional rotational flow water distribution system, a separation liquid return pipe 10, a primary three-phase separator 8, a return water collection system, a secondary three-phase separator 5 and a water outlet device are arranged in the reactor chamber from bottom to top; the reactor chamber body is also internally provided with a gas collecting system which is respectively communicated with the upper sides of the first-stage three-phase separator 8 and the second-stage three-phase separator 5, the gas collecting system is connected with a gas inlet of the gas-liquid separator 1, one end of the separated liquid return pipe 10 is connected with a separated liquid outlet of the gas-liquid separator 1, and the other end extends below the first-stage three-phase separator 8; the three-dimensional rotational flow water distribution system comprises an inlet water distribution device and a backflow water distribution device arranged above the inlet water distribution device.
As an embodiment of the present invention, the water inlet and distribution device includes a water inlet pipe 13, a plurality of water inlet distribution pipes 14 connected to the water inlet pipe 13, and a plurality of annular water distribution pipes; the water inlet distribution pipes 14 are arranged at the bottom in the reactor chamber body in a crossed manner; the plurality of annular water distribution pipes are arranged at the bottom in the reactor chamber body in a concentric circle mode and are fixed and communicated with the water inlet distribution pipes 14.
As an embodiment of the present invention, there are two inlet distribution pipes 14; the number of the annular water distribution pipes is three, and the annular water distribution pipes comprise inner ring water distribution pipes, middle ring water distribution pipes and outer ring water distribution pipes which are arranged at uniform intervals. Two water inlet distribution pipes 14 are vertically and crossly arranged at the bottom in the reactor chamber body, the intersection is communicated with one end of a water inlet central pipe, and the other end of the water inlet central pipe is connected with a water inlet pipe 13.
As an embodiment of the present invention, the water inlet distribution pipe 14 and the annular water distribution pipe are perforated pipes, and spiral nozzles are disposed on the water outlets of the perforated parts.
As an embodiment of the present invention, the backflow water distribution device includes a backflow water inlet pipe 11, a backflow water distribution pipe 12 connected to the backflow water inlet pipe 11, and a plurality of annular backflow water distribution pipes; the plurality of annular backflow water distribution pipes are arranged in parallel and combined to form an inverted cone structure, and are respectively fixed and communicated with the backflow water distribution pipe 12; return water distributing pipe 12 is many and is radial arrange locate the return water distributing pipe 12 of back taper structure internal surface, and the one end of each return water distributing pipe 12 is converged the back at the summit of back taper structure and is linked together with return water inlet tube 11, and the other end is located the bottom circular cross-section of back taper structure, and the port seals.
As an embodiment of the present invention, the backflow water distribution pipe 12 and the annular backflow water distribution pipe are perforated pipes, and spiral nozzles are disposed on the outlets of the perforated holes.
As an embodiment of the utility model, the backward flow water inlet pipe 11 of backward flow water distribution device, the inlet tube 13 of the water distribution device of intaking link to each other with the frequency conversion water pump through the pipeline respectively.
As an embodiment of the present invention, the gas collecting system comprises a first gas collecting device 7 disposed above the first-stage three-phase separator 8 and a second gas collecting device 4 disposed above the second-stage three-phase separator 5; the first gas collecting device 7 and the second gas collecting device 4 are respectively connected with a gas inlet of the gas-liquid separator 1; the first gas collecting device 7 and the second gas collecting device 4 respectively comprise a gas collecting main pipe and a plurality of gas collecting branch pipes which are respectively arranged at the tops of the inclined plates of the three-phase separator; the gas collecting branch pipe is communicated with the gas collecting main pipe.
As an embodiment of the present invention, the backflow water collecting system is a cocurrent streamline backflow water collecting device disposed in parallel below the second-stage three-phase separator 5; the backflow water collecting device comprises a backflow water collecting header pipe 6 connected with an outer backflow pipe 16 and a plurality of backflow water collecting branch pipes 18, wherein the backflow water collecting branch pipes 18 are arranged on two sides of the backflow water collecting header pipe 6 at intervals, and one ends, far away from the backflow water collecting header pipe 6, of the backflow water collecting branch pipes 18 are closed ends; the other end of the outer return pipe 16 is connected with a return water inlet pipe 11 of the return water distribution device.
As an embodiment of the present invention, the water outlet device is disposed above the secondary three-phase separator, and includes a main water outlet pipe 19 and a plurality of water outlet weirs 3 disposed in parallel, the main water outlet pipe 19 is perpendicular to each water outlet weir 3 and is connected to each water outlet weir 3; the water outlet manifold 19 is connected to a water outlet pipe 15 located outside the reactor chamber.
As an embodiment of the present invention, the first-stage three-phase separator 8 and the second-stage three-phase separator 5 are surface energy dissipation type small-pitch inclined plate type three-phase separators; the inclined plate area of the surface energy dissipation type small-spacing inclined plate type three-phase separator is provided with a first inclined plate unit and a second inclined plate unit positioned above the first inclined plate unit; the first inclined plate unit comprises a plurality of first inverted V-shaped inclined plate combinations which are uniformly arranged at intervals, the first inverted V-shaped inclined plate combinations are formed by connecting the tops of two long inclined plates, and the two long inclined plates and the bottoms of the two long inclined plates are connected to form an equilateral triangle; the second inclined plate unit comprises a plurality of second inverted V-shaped inclined plate combinations which are uniformly arranged at intervals, the second inverted V-shaped inclined plate combinations are formed by connecting the tops of two short inclined plates, and the two short inclined plates and the bottoms of the two short inclined plates are connected to form an equilateral triangle; the second inverted V-shaped inclined plate combinations are respectively arranged above the two adjacent first inverted V-shaped inclined plate combinations at intervals.
As a specific embodiment of the present invention, the length of the long sloping plate in the first inverted V-shaped sloping plate combination is 1250-1450 mm, the ratio of the sloping edge to the base edge in the corresponding equilateral triangle is 27:31, and the distance between adjacent first inverted V-shaped sloping plate combinations is 400-500 mm; the length of the short inclined plate in the second inverted V-shaped inclined plate combination is 700-900 mm, the ratio of the inclined edge to the base edge in the corresponding equilateral triangle is 20:23, and the distance between the adjacent second inverted V-shaped inclined plate combinations is (490-590) × 2 mm; the top of the second inverted V-shaped inclined plate combination is 280-360 mm higher than that of the first inverted V-shaped inclined plate combination.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the application load range is wide, and the anaerobic treatment requirement of the wastewater with medium and low concentration can be met:
the CAR reactor of the utility model forms the design of a multiphase and multi-level flow field through the arrangement of a specific three-dimensional rotational flow water distribution system, a three-phase separator and a water outlet device, and can realize the full mixing and suspension of sewage and anaerobic sludge by utilizing low reflux in a rotational flow area; in the static settling zone, the surface load of the water outlet zone is basically consistent with that of the sedimentation tank through multi-stage energy dissipation, so that the loss of flocculent sludge can be reduced; thereby enabling the efficient anaerobic degradation of the medium-low concentration wastewater.
2. High sludge activity and no sludge loss:
the wastewater contains suspended inorganic substances, and the suspended inorganic substances are accumulated in a reactor with a slow flow rate such as UASB (upflow anaerobic sludge blanket) and the like, so that anaerobic sludge is gradually replaced, and finally the operation effect of the anaerobic reactor is deteriorated or even disabled. In the CAR reactor of the utility model, the inverted cone-shaped reflux water distribution pipe and the water inlet distribution pipe which are designed uniquely are combined with the spiral nozzle arranged at the water outlet on the water distribution pipe, and the variable frequency water pump provides reasonable rotational flow velocity and pulse rising flow velocity, so that the suspension state of organic sludge with high appropriate density activity can be maintained, the rising flow velocity of a water outlet area is low, granular sludge and flocculent sludge coexist in the reactor, and inorganic sludge sediments can be discharged out of the reactor from the bottom;
the total internal and external reflux amount in the reactor can be effectively controlled within a reasonable design range through a real-time monitoring and linkage control technology, the flow field in the reactor is kept stable, the multistage energy dissipation three-phase separator can effectively separate the produced gas, the rising flow rate of the effluent is basically consistent with that of a sedimentation tank, and therefore the effluent sludge is prevented from being carried and lost by the rising flow and the airflow.
3. The height-diameter ratio is moderate, the capital construction investment is saved:
the large height-diameter ratio is an important means for ensuring higher rising flow velocity in the anaerobic reactor so as to expand a bed layer, but the height-diameter ratio has an optimal solution for the reduction of occupied land and the formation cost of knots, and the cost is greatly increased due to the overhigh EGSB and IC reactors. The CAR reactor of the utility model has the volume load equivalent to the EGSB, integrates two-stage series anaerobic reaction and three-phase separation and sedimentation, has compact structure (the height-diameter ratio of the CAR reactor of the utility model is 1.5-1.8: 1), saves the occupied area, and simultaneously has lower capital investment than the EGSB and the IC.
4. High volume load rate and good degradation effect:
the CAR reactor of the utility model has low ascending flow velocity in the water outlet zone, so that granular sludge and flocculent sludge coexist in the reactor, the biomass is large, the sludge age is long, particularly, the cement is well mixed and the mass transfer effect is good because the rotational flow process is manufactured by utilizing the internal and external circulation; the flow of the rotational flow process is longer than that of the ascending flow, so that the on-way degradation effect is better; the energy dissipation type three-phase separator can absorb the surface energy of bubbles, reduce the upward flow caused by gas when the load is high, and is favorable for controlling the upward surface load when the load is high; the ascending flow rate of the water outlet zone is low, so that granular sludge and flocculent sludge coexist in the reactor, and the volume load rate is not limited by the loss of the sludge.
5. The operation stability is good:
the utility model discloses a CAR reactor is equivalent to there being two upper and lower anaerobic reactors and a sedimentation tank series operation, and subordinate's reaction zone has very high organic load factor, plays "thick" processing effect, and the load of superior reactor is low, plays "smart" processing effect. The multi-stage series treatment process has better stability than single-stage treatment, and the effluent quality is stable;
the amount of the liquid circulated inside and outside is equivalent to the reflux of the second-stage anaerobic effluent and the methanogenic sludge, the water quality of the influent water can be fully adjusted, the problems of pH value, toxicity and the like of the influent water can be buffered, the dosage of the influent water is reduced, the operation stability is improved, and the operation cost is reduced.
The control system can monitor the flow of the downcomer in real time (including the flow of the separation liquid in the separation liquid return pipe), the gas production rate (including the gas quantity of the gas collection header pipe) and the water inflow data, and adjust the external return flow rate in real time by combining the variable frequency water pump, so that the stability of an energy field and a flow field in the reactor is kept, the damage of the gas production rate and the change of the downflow caused by the change of the water quality and the water quantity condition of the inflow water to the internal energy field and the flow field is prevented, and the treatment efficiency of the system on the inflow water quality and the water.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a spiral-flow anaerobic reactor of the present invention;
FIG. 2 is a schematic sectional view of the spiral-flow anaerobic reactor of the present invention;
FIG. 3 is a schematic structural view of a backflow water collecting device in the cyclonic anaerobic reactor
FIG. 4 is a schematic structural diagram of a water outlet device in the cyclone anaerobic reactor;
wherein, 1 is vapour and liquid separator, 2 is the water seal tank, 3 is the play weir, 4 is the second gas collecting device, 5 is second grade three-phase separator, 6 is backward flow collecting main, 7 is first gas collecting device, 8 is the one-level three-phase separator, 9 is the stabilivolt, 10 is the separation liquid back flow, 11 is the backward flow inlet tube, 12 is backward flow distributing pipe, 13 is the inlet tube, 14 is the inlet distributing pipe, 15 is outlet conduit, 16 is outer back flow, 17 is the frequency conversion water pump, 18 is backward flow collecting branch pipe, 19 is the play water header.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
The utility model discloses a core technology of spiral-flow type Anaerobic Reactor (CAR is called for short for to Cyclone Anaerobic Reactor) is heterogeneous multilayer flow field design control technique, through design and regulation and control sludge granules, bubble and three alternate energy transfer modes of water and intensity, just can effectively control the interior flow field characteristic of Reactor, founds the flow field of heterogeneous multi-level different characteristics in the Reactor to guarantee Anaerobic reaction efficiency and gas cement separation effect.
Through the three-dimensional whirl water distribution system of proprietary design, energy dissipation three-phase separator, syntropy streamlined backward flow water-collecting device to rivers, granular sludge and the energy dissipation effect of energizing of producing gas (can also combine real-time flow field control system), the utility model discloses a CAR reactor is energized through the pulse, two energy dissipation type three-phase separator and two energy dissipation type three-phase separator of energizing of whirl and syntropy streamlined backward flow collector pipe's energy dissipation effect, forms four main part flow field area control in ascending whirl district, flat whirl district, ascending district and quiet heavy district from the bottom up in the reactor, and each district's distribution position, each subregion energy effect mode and flow field characteristic are shown as table 1:
TABLE 1
The design control of the multiphase flow field in the reactor is realized by the cooperation of the following special technologies and equipment:
1. the three-dimensional rotational flow water distribution technology and the device are as follows: the reverse cone-shaped backflow water distribution pipe and the water inlet distribution pipe which are specially designed are combined with a spiral nozzle arranged at a water outlet on the water distribution pipe, backflow sludge and pulse suspension sludge of a downcomer are sucked in by utilizing the pressurizing and swirling processes of water inlet and backflow water, and the complete mixing of water and sludge is finished. Compared with the conventional plane single-point or plane multipoint water distribution mode of other reactors, the cyclone water distribution system supports sludge suspension by using the flow velocity of the cyclone cross section, the required reflux quantity is greatly reduced, and therefore, the energy consumption of the reactor is relatively low. And the sludge is uniformly distributed in height, and the expansion rate of a sludge layer is high. And under the same condition, the short flow is not easy to generate by adopting the rotational flow water distribution,
2. the pulse mud screening technology and the device are as follows: the reactor of sludge is the important cause of performance decline in the inorganization and the reactor of bottom dead zone, the utility model discloses a CAR reactor utilizes return water and water inlet pressurization (through the frequency conversion water pump) to set up the pulse in the reactor bottom and enables the district, intermittent type formula is washd upward and is deposited district mud and impurity, makes the lower organic mud come-up of density add the vortex district that rises (the zone between district is enabled to advection district and whirl, for position between backward flow water distributor highest point and the backward flow inlet tube, still sedimentary inorganic mud can regularly discharge behind the pulse to reduce reactor interior dead zone volume, improve volume utilization.
3. Energy dissipation type three-phase separator: the utility model discloses a CAR reactor adopts special panel (stainless steel or steel) to combine shallow pond theory to design specific surface energy dissipation type booth apart from ramp type three-phase separator. The affinity between the surface of the special plate and the bubbles is far higher than that of the sludge, when the mixed liquid collides with the bubbles, the bubbles are easily transferred to the surface of the three-phase separator and are combined with the bubbles adsorbed on the surface in the early stage to grow; the specially designed small-spacing inclined plate increases the collision area with the mixed liquid, thereby being beneficial to energy dissipation; the upper part increases the sedimentation area of the sludge, which is beneficial to the sedimentation and backflow of the sludge.
4. Syntropy streamlined backward flow water-collecting device: the backflow water collecting device is arranged at the lower part of the secondary three-phase separator, plane multi-point type water collection is adopted, and the kinetic energy loss of backflow water can be reduced to the maximum extent by the same-direction streamline water collecting head, so that the backflow power consumption is reduced. Reducing the flow rate and surface load of the static settlement area.
5. CAR real-time monitoring and linkage control technology: the flow, the gas production and the water inflow data of the downcomer can be monitored in real time, a special CAR reactor control mathematical model is utilized, and the reflux is adjusted in real time by combining a variable frequency water pump (comprising a variable frequency water pump connected with a water inlet pipe and a variable frequency water pump connected with a reflux water inlet pipe), so that the stability of an energy field and a flow field in the reactor is kept, the damage of the gas production and the change of the downflow caused by the change of the water quality and the water amount of the influent water to the internal energy field and the flow field is prevented, and the treatment efficiency of the system on the influent water quality and the water amount fluctuation and the stability of. The functions of monitoring the flow rate, the gas production rate and the water inflow data of the downcomer in real time, regulating and controlling the variable frequency water pump and the like can be realized through a commercially available controller.
Specifically, the structure schematic diagram of the cyclonic anaerobic reactor of the present embodiment is shown in fig. 1, and the cross-sectional schematic diagram is shown in fig. 2, wherein the reactor comprises a reactor chamber body, and a gas-liquid separator 1 and a water-sealed tank 2 which are connected and arranged above the reactor chamber body; a three-dimensional rotational flow water distribution system, a first-stage three-phase separator 8, a second-stage three-phase separator 5 and a water outlet device are arranged in the reactor chamber from bottom to top; and a gas collecting system and a backflow water collecting system are also arranged in the reactor chamber body.
1) The three-dimensional rotational flow water distribution system comprises an inlet water distribution device and a return water distribution device arranged above the inlet water distribution device;
wherein, the water inlet and distribution device comprises a water inlet pipe 13, a water inlet distribution pipe 14 connected with the water inlet pipe 13 and a plurality of annular water distribution pipes (the water distribution pipes are all perforated water distribution pipes, and spiral nozzles can be arranged on the water outlets); the two water inlet distribution pipes 14 are arranged at the bottom in the reactor chamber body in a crossed manner, the crossed position is communicated with one end of a water inlet central pipe (both ends of the water inlet distribution pipes 14 are closed ends), and the other end of the water inlet central pipe is connected with a water inlet pipe 13; the annular water distribution pipes are arranged at the bottom in the reactor chamber body and are fixed and communicated with the water inlet distribution pipes 14. In this embodiment, the annular water distribution pipes include inner ring water distribution pipes, middle ring water distribution pipes and outer ring water distribution pipes which are arranged at equal intervals; the inner ring water distribution pipe is composed of a hexagon, the middle ring water distribution pipe is composed of 12-edge, and the outer ring water distribution pipe is composed of 18-edge.
The return water distribution device comprises a return water inlet pipe 11 connected with an outer return pipe 16, a return water distribution pipe 12 connected with the return water inlet pipe 11 and a plurality of annular return water distribution pipes (the water distribution pipes are all perforated water distribution pipes, and spiral nozzles can be arranged on the water outlets of the water distribution pipes); the annular backflow water distribution pipes are arranged in parallel and combined to form an inverted cone structure, namely, each annular backflow water distribution pipe is respectively positioned on the inner surface of the inverted cone structure and on a plane parallel to the circular section of the inverted cone structure; in this embodiment, the distances between the adjacent annular return water distribution pipes are equal. The plurality of annular return water distribution pipes are respectively fixed and communicated with the return water distribution pipe 12; return flow water distribution pipe 12 is many return flow water distribution pipe 12 of locating back taper structure internal surface, and the one end of each return flow water distribution pipe 12 joins through the return flow water inlet center tube and is linked together with backward flow water inlet tube 11 at the summit of back taper structure, and the other end is evenly spaced respectively and is located the bottom circular cross-section of back taper structure, and the port seals.
And a return water inlet pipe 11 of the return water distribution device is connected with a variable frequency water pump 17 through a pipeline. The water inlet pipe 13 of the water inlet and distribution device is connected with another variable frequency water pump through a pipeline.
2) The gas collecting system comprises a first gas collecting device 7 arranged above the first-stage three-phase separator 8 and a second gas collecting device 4 arranged above the second-stage three-phase separator 5; the first and second gas collecting devices 7 and 4 are connected with a gas inlet of the gas-liquid separator 1; a separation liquid outlet of the gas-liquid separator 1 is connected with a separation liquid return pipe 10; the separated liquid return pipe 10 penetrates through the second-stage three-phase separator 5 and the first-stage three-phase separator 8 and extends to a space between the first-stage three-phase separator 8 and the returned water distribution device. The separation liquid return pipe 10 is connected with the gas-liquid separator 1 through a pressure stabilizing pipe 9. The voltage stabilizing tube 9 penetrates through the secondary three-phase separator 5 and is connected to a separation liquid return pipe 10 pipeline between the primary three-phase separator 8 and the secondary three-phase separator 5.
The first and second gas collecting devices 7 and 4 respectively comprise a gas collecting main pipe and a plurality of gas collecting branch pipes which are respectively arranged at the tops of inclined plates of the three-phase separator; the gas collecting branch pipe is communicated with the gas collecting main pipe.
3) The backflow water collecting system is a homodromous streamline backflow water collecting device and is arranged below the secondary three-phase separator 5 in parallel, the structure diagram is shown in fig. 3, the backflow water collecting system comprises a backflow water collecting header pipe 6 connected with an outer backflow pipe 16 and a plurality of backflow water collecting branch pipes 18, the backflow water collecting branch pipes 18 are arranged on two sides of the backflow water collecting header pipe 6 at intervals, and one ends, far away from the backflow water collecting header pipe 6, of the backflow water collecting branch pipes 18 are closed ends; the reflux water collecting branch pipe 18 and the reflux water collecting main pipe 6 are both perforated pipes; the other end of the outer return pipe 16 is connected with a return water inlet pipe 11 of the return water distribution device.
4) The water outlet device is arranged above the secondary three-phase separator, the structure diagram of the water outlet device is shown in fig. 4, the water outlet device comprises a water outlet main pipe 19 and a plurality of water outlet weirs 3 arranged in parallel, and the water outlet main pipe 19 is perpendicular to the water outlet weirs 3 and is connected with the water outlet weirs 3; the water outlet manifold 19 is connected to a water outlet pipe 15 located outside the reactor chamber.
5) The three-phase separator comprises a first-stage three-phase separator 8 and a second-stage three-phase separator 5 which are both specially designed surface energy dissipation type small-spacing inclined plate type three-phase separators; as shown in fig. 2, the swash plate area of the surface energy dissipation type small-spacing swash plate type three-phase separator is provided with a first swash plate unit and a second swash plate unit positioned above the first swash plate unit, the first swash plate unit comprises a plurality of first inverted V-shaped swash plate combinations which are uniformly arranged at intervals, the first inverted V-shaped swash plate combinations are formed by connecting the tops of two long swash plates, the two long swash plates and the bottoms of the two long swash plates are connected to form an equilateral triangle, the length of each long swash plate is 1250-1450 mm, the ratio of the length of each long swash plate to the length of the bottom side of the equilateral triangle is 27:31, and the spacing between adjacent first inverted V-shaped swash plate combinations is 400-500 mm; the second inclined plate unit comprises a plurality of second inverted V-shaped inclined plate combinations which are uniformly arranged at intervals, the second inverted V-shaped inclined plate combinations are formed by connecting the tops of two short inclined plates, the two short inclined plates and the bottoms of the two short inclined plates are connected to form an equilateral triangle, the length of each short inclined plate is 700-900 mm, the ratio of the length of each short inclined plate to the length of the bottom side of the equilateral triangle is 20:23, and the distance between every two adjacent second inverted V-shaped inclined plate combinations is (490-590) × 2 mm; the second inverted V-shaped inclined plate combination is arranged above two adjacent first inverted V-shaped inclined plate combinations respectively, and the top of the second inverted V-shaped inclined plate combination is 280-360 mm higher than that of the first inverted V-shaped inclined plate combination.
In a specific application example of the embodiment, the reactor equipment is formed by welding stainless steel materials, the external dimension phi is 10.0 × 16.5m (effective depth 16m), and the height-diameter ratio is 1.65:1, wherein the length of a long inclined plate in the three-phase separator is 1350mm, the bottom side length of a first inverted V-shaped inclined plate combination is 1550mm, the distance between adjacent first inverted V-shaped inclined plate combinations is 450mm, the length of a short inclined plate is 800mm, the bottom side length of a second inverted V-shaped inclined plate combination is 920mm, and the top of the second inverted V-shaped inclined plate combination is 320mm higher than the top of the first inverted V-shaped inclined plate combination; handling trafficQ＝1500m3D, effective volume V1256 m3The retention time HRT is 20.10h, the COD of the inlet water is 3000mg/L, and the removal rate of the COD is 50 percent.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A cyclone type anaerobic reactor is characterized in that the reactor comprises a reactor chamber body, and a gas-liquid separator (1) and a water-sealed tank (2) which are connected and arranged above the reactor chamber body; a three-dimensional rotational flow water distribution system, a separation liquid return pipe (10), a primary three-phase separator (8), a return water collection system, a secondary three-phase separator (5) and a water outlet device are arranged in the reactor chamber from bottom to top; a gas collecting system which is respectively communicated with the upper sides of the first-stage three-phase separator (8) and the second-stage three-phase separator (5) is also arranged in the reactor chamber body, the gas collecting system is connected with a gas inlet of the gas-liquid separator (1), one end of the separation liquid return pipe (10) is connected with a separation liquid outlet of the gas-liquid separator (1), and the other end of the separation liquid return pipe extends below the first-stage three-phase separator (8); the three-dimensional rotational flow water distribution system comprises an inlet water distribution device and a backflow water distribution device arranged above the inlet water distribution device.
2. The cyclonic anaerobic reactor according to claim 1, wherein the water inlet and distribution device comprises a water inlet pipe (13), a plurality of water inlet distribution pipes (14) connected to the water inlet pipe (13), and a plurality of annular water distribution pipes; the water inlet distribution pipe (14) is arranged at the bottom in the reactor chamber body in a crossed manner; the plurality of annular water distribution pipes are arranged at the bottom in the reactor chamber body in a concentric circle mode and are fixed and communicated with the water inlet distribution pipes (14).
3. The spiral-flow anaerobic reactor according to claim 2, characterized in that the water inlet distribution pipe (14) and the annular water distribution pipe are perforated pipes, and spiral nozzles are arranged on the water outlets of the perforations.
4. The cyclonic anaerobic reactor according to claim 1, wherein the recirculation water distribution device comprises a recirculation water inlet pipe (11), a recirculation water distribution pipe (12) connected to the recirculation water inlet pipe (11), and a plurality of annular recirculation water distribution pipes; the plurality of annular backflow water distribution pipes are arranged in parallel and combined to form an inverted cone structure, and are respectively fixed and communicated with the backflow water distribution pipe (12); backflow water distribution pipe (12) are many and are radial backflow water distribution pipe (12) of arranging and locating back taper structure internal surface, and the one end of each backflow water distribution pipe (12) is joined the back at the summit of back taper structure and is linked together with backward flow water inlet tube (11), and the other end is located the bottom circular cross-section of back taper structure, and the port seals.
5. The spiral-flow anaerobic reactor according to claim 4, characterized in that the return water distribution pipe (12) and the annular return water distribution pipe are perforated pipes, and spiral nozzles are arranged on the water outlets of the perforations.
6. A spiral-flow type anaerobic reactor according to claim 2, 3, 4 or 5, characterized in that the return water inlet pipe (11) of the return water distribution device and the inlet pipe (13) of the inlet water distribution device are respectively connected with a variable frequency water pump through pipelines.
7. An anaerobic cyclonic reactor according to claim 1, wherein the gas collection system comprises a first gas collection device (7) arranged on the upper side of the primary three-phase separator (8) and a second gas collection device (4) arranged on the upper side of the secondary three-phase separator (5); the first gas collecting device (7) and the second gas collecting device (4) are respectively connected with a gas inlet of the gas-liquid separator (1); the first gas collecting device (7) and the second gas collecting device (4) respectively comprise a gas collecting main pipe and a plurality of gas collecting branch pipes which are respectively arranged at the tops of inclined plates of the three-phase separator; the gas collecting branch pipe is communicated with the gas collecting main pipe.
8. The cyclonic anaerobic reactor according to claim 1, wherein the backflow water collecting system is a cocurrent streamline backflow water collecting device arranged in parallel below the secondary three-phase separator (5); the backflow water collecting device comprises a backflow water collecting header pipe (6) connected with an outer backflow pipe (16) and a plurality of backflow water collecting branch pipes (18), wherein the backflow water collecting branch pipes (18) are arranged on two sides of the backflow water collecting header pipe (6) at intervals, and one ends, far away from the backflow water collecting header pipe (6), of the backflow water collecting branch pipes (18) are closed ends; the other end of the outer return pipe (16) is connected with a return water inlet pipe (11) of the return water distribution device.
9. A cyclonic anaerobic reactor according to claim 1, wherein the water outlet means is arranged above the secondary three-phase separator and comprises a water outlet main pipe (19) and a plurality of water outlet weirs (3) arranged in parallel, the water outlet main pipe (19) is perpendicular to the water outlet weirs (3) and is connected with the water outlet weirs (3); the water outlet main pipe (19) is connected with a water outlet pipe (15) positioned outside the reactor chamber body.
10. A cyclonic anaerobic reactor according to claim 1, wherein the primary (8) and secondary (5) three-phase separators are surface energy-dissipating, small-pitch inclined-plate type three-phase separators; the inclined plate area of the surface energy dissipation type small-spacing inclined plate type three-phase separator is provided with a first inclined plate unit and a second inclined plate unit positioned above the first inclined plate unit; the first inclined plate unit comprises a plurality of first inverted V-shaped inclined plate combinations which are uniformly arranged at intervals, the first inverted V-shaped inclined plate combinations are formed by connecting the tops of two long inclined plates, and the two long inclined plates and the bottoms of the two long inclined plates are connected to form an equilateral triangle; the second inclined plate unit comprises a plurality of second inverted V-shaped inclined plate combinations which are uniformly arranged at intervals, the second inverted V-shaped inclined plate combinations are formed by connecting the tops of two short inclined plates, and the two short inclined plates and the bottoms of the two short inclined plates are connected to form an equilateral triangle; the second inverted V-shaped inclined plate combinations are respectively arranged above the two adjacent first inverted V-shaped inclined plate combinations at intervals.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526395A (en) * | 2019-09-27 | 2019-12-03 | 浙江省环境工程有限公司 | Eddy flow anaerobic reactor for waste water treatment system |
| CN114133031A (en) * | 2021-12-30 | 2022-03-04 | 河北万生环保工程有限公司 | High-efficiency upflow anaerobic reactor |
-
2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526395A (en) * | 2019-09-27 | 2019-12-03 | 浙江省环境工程有限公司 | Eddy flow anaerobic reactor for waste water treatment system |
| CN114133031A (en) * | 2021-12-30 | 2022-03-04 | 河北万生环保工程有限公司 | High-efficiency upflow anaerobic reactor |
| CN114133031B (en) * | 2021-12-30 | 2023-09-19 | 河北万生环保工程有限公司 | High-efficiency upflow anaerobic reactor |
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