CN216997842U - ABR system of multiple spot inflow multiple spot backward flow - Google Patents
ABR system of multiple spot inflow multiple spot backward flow Download PDFInfo
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- CN216997842U CN216997842U CN202122230943.1U CN202122230943U CN216997842U CN 216997842 U CN216997842 U CN 216997842U CN 202122230943 U CN202122230943 U CN 202122230943U CN 216997842 U CN216997842 U CN 216997842U
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Abstract
A kind of multipoint water inflow multipoint backflow ABR system, including the vertical flow reactor from front to back 6 parallel connections, each vertical flow reactor includes the central cylinder located in vertical flow reactor center, annular water catch bowl located in upper portion peripheral of vertical flow reactor, connect with water inflow valve and return valve in parallel through the pipeline with the upper reaches of the central cylinder, the bottom of the vertical flow reactor is conical, the bottom connects with mud valve and mud circulation reflux pump sequentially through the pipeline, the mud circulation reflux pump of the multiple vertical flow reactors connects to their own mud reflux valves separately through the pipeline in parallel; the front annular water collecting tank in the adjacent vertical flow type reactors is communicated with the central cylinder of the back vertical flow type reactor through a communicating pipe, and the annular water collecting tank of the last vertical flow type reactor is connected with a main water outlet pipe. The utility model can effectively solve the problem that the water flow of the ABR system has dead angles, and increases the measures of multi-point water inlet and multi-point backflow, thereby having more flexible operation and more accurate control.
Description
Technical Field
An ABR system with multiple water inlets and multiple reflux points belongs to the technical field of sewage treatment.
Background
A folded plate type anaerobic reactor (ABR for short in English) system is an improved UASB technology, and the ABR technology is characterized in that an upper baffle plate and a lower baffle plate are arranged in a reactor to form compartments which are sequentially connected in series in the water flow direction, so that the microorganism populations in the reactor can be separated into acid-producing phase and methane-producing phase along different compartments in the length direction, and two-phase or multi-phase operation is carried out in a single reactor. That is, the ABR process can achieve an integrated two-phase or multi-phase treatment process within one reactor.
In structural construction, ABR is simpler than UASB, a three-phase separator with a more complex structure is not needed, the produced gas of each compartment can be collected independently to analyze the degradation effect of each compartment, the decomposition path and mechanism of microorganisms on organic matters and the types of microorganisms in the organic matters, and the produced gas in the reactor can be collected together.
The rivers are along in folded plate formula anaerobic reactor (ABR) system, and constantly the billow from top to bottom, the reactor becomes the multistage form of turning back, and highly corresponding step-down has become, has prolonged the reaction route, has increased reaction time, and like this, under the unchangeable condition of volume, the sectional area of reactor can be a little relatively, and the water distribution homogeneity has been optimized to the water velocity back that improves, and anaerobic reaction is effectual. However, the changes still cannot meet the requirements of wastewater treatment, and the requirements of polluted source water with higher and higher concentration and wastewater treatment efficiency are higher and higher. Dead angles still remain in the corners of the upper space and the lower space of the folded plate, the phenomena of incomplete reaction and few adjusting means exist, and the anaerobic reaction efficiency and the treatment result are directly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ABR system with high reaction efficiency and good treatment result and multi-point water inlet and multi-point backflow.
The utility model can effectively solve the problem that the water flow of the ABR system has dead angles, and increases the measures of multi-point water inlet and multi-point backflow, thereby having more flexible operation and more accurate control.
The technical scheme of the utility model is as follows:
a multipoint water inlet multipoint backflow ABR system comprises 6 vertical flow reactors connected in parallel from front to back, and is characterized in that each vertical flow reactor comprises a central cylinder positioned in the center of the vertical flow reactor, an annular water collecting tank is arranged at the upper part of the inner side of the wall of the vertical flow reactor, the central cylinder is inserted into the lower part of the vertical flow reactor, a water inlet valve and a sludge circulating backflow valve are connected with the upper part of the central cylinder in parallel through pipelines, the bottom of the vertical flow reactor is conical, a sludge discharge valve and a sludge circulating backflow pump are sequentially connected through the pipelines, and the sludge circulating backflow pumps of the vertical flow reactors are connected in parallel and converged through the pipelines to be connected to the sludge circulating backflow valves; the front annular water collecting tank in the adjacent vertical flow type reactors is communicated with the central cylinder of the next vertical flow type reactor through a communicating pipe, and the annular water collecting tank of the last vertical flow type reactor is connected with the main water outlet pipe.
The ABR system according to the above aspect, wherein each of two adjacent vertical flow reactors has a common reactor wall.
The ABR system with multi-point water inlet and multi-point backflow is characterized in that the water level of the annular water collecting tank of each vertical flow type reactor is sequentially reduced from front to back.
The sludge circulation reflux valve is arranged in the ABR system, wherein the number of the vertical flow reactors is 3-6.
According to the ABR system, the flow rates of the water inlet valve, the mud discharging valve and the sludge circulating return valve can be adjusted, a mathematical model is established through effective logic combination design, and the flow rates of the mathematical model are controlled by PLC programming.
The operation process of the utility model is as follows:
a multiple-point water-intake multiple-point backflow ABR system comprises a plurality of vertical flow reactors connected in parallel in sequence, wherein each vertical flow reactor is used for feeding water from a central cylinder, the central cylinder is inserted into the lower part of the reactor, after the water flows into a lower opening from an upper opening of the central cylinder and flows out, the area is enlarged, the flow speed is reduced, the water is uniformly distributed on the cross section and returns back and upwards, an annular water collecting tank is arranged on the water surface of the reactor and on the inner side of the wall of the reactor, after the water is collected, the water enters the central cylinder of the next-stage vertical flow reactor along a communicating pipe by means of water head difference, the plurality of vertical flow reactors are connected together, and the successive reaction is carried out from front to back. Wherein, total inflow can concentrate on a certain central section of thick bamboo of a plurality of vertical flow reactors and intake, also can be according to reaction conditions distribution water yield between a plurality of vertical flow reactors, and the reactor bottom is the toper, can be as the sludge bucket, and the mud after the concentration increases, through mud valve and the mud circulation backwash pump of reactor bottom, forced circulation backwash mud enters a plurality of reactor central section of thick bamboo imports.
Multiple water inlet valves (respectively controlling water inflow Q) in the whole ABR system1、Q2、Q3、……QN) A plurality of mud discharge valves (controlling the mud discharge amount P respectively)1、P2、P3……PN) A plurality of sludge circulating reflux valves (respectively controlling the reflux quantity H)1、H2、H3……HN) The flow can be controlled independently to form an ABR system which can be flexibly adjusted and accurately operated.
The utility model can effectively solve the problem that the water flow of the ABR system has dead angles, and adds the measures of multi-point water inlet and multi-point backflow, thereby having more flexible operation and more accurate control.
Drawings
FIG. 1: the ABR system consists of three vertical flow reactors connected in parallel and is provided with multi-point water inlet and multi-point reflux;
FIG. 2 is a schematic diagram: the ABR system consists of six vertical flow reactors connected in parallel and is provided with multi-point water inlet and multi-point reflux.
In the figure, the symbols are as follows:
1-an annular water collecting tank; 2-1 # reactor center barrel; 3-1 #2# reactor communicating pipe;
4-2 #3# reactor communicating pipe; 5-total water outlet pipe; 6-2 # reactor center barrel;
7-3 # reactor center barrel; 8-1 # sludge circulation reflux pump; 9-2 # sludge circulation reflux pump; 10-3 # sludge circulation reflux pump.
A 11-3 #4# reactor communicating pipe; 12-4 # reactor center barrel;
13-4 #5# reactor communicating pipe; annular water collecting tank of 14-4 # reactor;
a No. 15-5 No. 6 reactor communicating pipe; 16-5 # reactor center barrel;
17-5 # reactor annular water catch bowl; an annular water collecting tank of the 18-6 # reactor;
19-6 # reactor center barrel; 20-total water outlet pipe; 21-4 # sludge circulation reflux pump;
22-5 # sludge circulation reflux pump; 23-6 # sludge circulation reflux pump.
A multiple point inflow multiple point backflow ABR system, it is made up of multiple vertical flow reactors connected in parallel sequentially, each vertical flow reactor is from the central cylinder 2, 6, 7, 12, 16, 19 water inflow, the central cylinder is inserted to the inferior part of the reactor, after the water flows into the lower port from the central cylinder upper port and flows out, the area enlarges, the flow rate slows down, distribute evenly on the cross section, turn back and go up, on the water level of the reactor, the inboard of the wall of the vessel sets up the annular catch basin, after the water is collected, enter the central cylinder of the next vertical flow reactor along the communicating pipe 3, 4, 11, 13, 15 by the water head, multiple vertical flow reactors unite together, from front to back, the successive reaction. Wherein, the total water inflow can be concentrated in the water inflow of a certain central cylinder of the plurality of vertical flow reactors, the water quantity can also be distributed among the plurality of vertical flow reactors according to the reaction conditions, the bottom of the reactor is conical and can be used as a sludge hopper, the sludge with increased concentration enters the inlets of the central cylinders of the plurality of reactors by forced circulation and backflow of the sludge through a sludge discharge valve at the bottom of the reactor and sludge circulation and backflow pumps 8, 9, 10, 21, 22 and 23.
Detailed Description
Example 1
A kind of multipoint water inflow multipoint backflow ABR system, including 2 vertical flow reactors connected in parallel from front to back, every vertical flow reactor includes the central cylinder located in centre of vertical flow reactor, the inboard upper portion of wall of the vertical flow reactor located has annular water-collecting sumps, the central cylinder is inserted to the inferior part of the vertical flow reactor, connect with water inlet valve and mud circulation reflux valve in parallel through the pipeline with the upper reaches of the central cylinder, the bottom of the vertical flow reactor connects with mud valve and mud circulation reflux pump sequentially through the pipeline, the mud circulation reflux pump of each vertical flow reactor is connected to their own mud circulation reflux valve through the pipeline in parallel; the first annular water collecting tank in the vertical flow type reactors adjacent to each other is communicated with the central cylinder of the second vertical flow type reactor through a communicating pipe, and the annular water collecting tank of the second vertical flow type reactor is connected with the main water outlet pipe.
The flow of a water inlet valve, a mud discharging valve and a sludge circulating reflux valve in the whole ABR system can be adjusted, a mathematical model is established through effective logic combination design, and PLC programming control is used.
The system is used for treating food processing wastewater with a daily treatment capacity of 50m3The single seat phi 8000mm, effective water depth 5000mm, water inlet concentration COD 32000mg/l, SS 1200mg/l, COD 2200mg/l after ABR treatment, SS 120mg/l, removal rate not less than 90%.
Example 2
An ABR system with multiple water inlets and multiple reflux points comprises 3 vertical flow reactors (shown in figure 1) which are connected in parallel from front to back, wherein each vertical flow reactor comprises a central cylinder 2, 6 and 7 positioned in the center of the vertical flow reactor, an annular water collecting tank 1 is arranged at the upper part of the inner side of the wall of the vertical flow reactor, the central cylinder is inserted into the lower part of the vertical flow reactor, the upper part of the central cylinder 6 is connected with a water inlet valve and a sludge circulating reflux valve in parallel through pipelines, the bottom of the vertical flow reactor is sequentially connected with a sludge discharge valve and a sludge circulating reflux pump through pipelines, and the sludge circulating reflux pumps of the vertical flow reactors are connected in parallel and converged through pipelines to be connected to the respective sludge circulating reflux valves; the front annular water collecting tank in the adjacent vertical flow type reactor is communicated with the central cylinder of the back vertical flow type reactor through communicating pipes 3 and 4, and the annular water collecting tank of the last vertical flow type reactor is connected with a main water outlet pipe 5.
The flow of a water inlet valve, a mud discharging valve and a sludge circulating reflux valve in the whole ABR system can be adjusted, a mathematical model is established through effective logic combination design, and the PLC is used for programming control.
The system is used for treating wastewater of fine chemical engineering (concrete admixture) with the daily treatment capacity of 100m3The water treatment method is characterized in that the water treatment method comprises the steps of 2500 х 2500mm singly, 8600mm of effective water depth, 8000mg/l of inflow water concentration COD, 300mg/l of SS, 800mg/l of COD after ABR treatment, 40mg/l of SS and 86% or more of removal rate.
Example 3
A kind of multipoint inflow multipoint backflow ABR system, including the vertical flow reactor (as shown in figure 2) connected in parallel of 6 from front to back, each vertical flow reactor includes the central cylinder 2 located in the center of the vertical flow reactor, 6, 7, 12, 16, 19, the wall inboard upper portion located in vertical flow reactor has annular catchments troughs, the central cylinder is inserted to the inferior part of the vertical flow reactor, connect with the water inlet valve and mud circulation reflux valve in parallel through the pipeline with the upstream of the central cylinder, the bottom of the vertical flow reactor connects with mud valve and mud circulation reflux pump 8, 9, 10, 21, 22, 23 sequentially through the pipeline, the mud circulation reflux pump of each vertical flow reactor is connected in parallel and converged and connected to their own mud circulation reflux valves through the pipeline; the front annular water collecting tank in the adjacent vertical flow type reactors is communicated with the central cylinder of the next vertical flow type reactor through communicating pipes 3, 4, 11, 13 and 15, and the annular water collecting tank 18 of the last vertical flow type reactor is connected with a main water outlet pipe 20.
The flow of a water inlet valve, a mud discharging valve and a sludge circulating reflux valve in the whole ABR system can be adjusted, a mathematical model is established through effective logic combination design, and the PLC is used for programming control.
The system is used for treating pesticide wastewater with the daily treatment capacity of 200m3The single seat is 3000 х 3000mm, the effective water depth is 8500mm, the water inlet concentration COD is 15000mg/l, the SS is 300mg/l, the COD is 2000mg/l after ABR treatment, the SS is 50mg/l, and the removal rate is more than or equal to 80%.
Claims (3)
1. A multipoint water inlet multipoint backflow ABR system comprises 6 vertical flow reactors connected in parallel from front to back, and is characterized in that each vertical flow reactor comprises a central cylinder positioned in the center of the vertical flow reactor, an annular water collecting tank is arranged at the upper part of the inner side of the wall of the vertical flow reactor, the central cylinder is inserted into the lower part of the vertical flow reactor, a water inlet valve and a water return valve are connected with the upper part of the central cylinder in parallel through pipelines, the bottom of the vertical flow reactor is conical, a mud valve and a sludge circulating reflux pump are sequentially connected through the pipelines, and the sludge circulating reflux pumps of the vertical flow reactors are connected in parallel and converged and connected to the respective sludge circulating reflux valves through the pipelines; the front annular water collecting tank in the adjacent vertical flow type reactors is communicated with the central cylinder of the back vertical flow type reactor through a communicating pipe, and the annular water collecting tank of the last vertical flow type reactor is connected with a main water outlet pipe.
2. The multiple-feed multiple-reflux ABR system as set forth in claim 1 wherein each adjacent two of said vertical flow reactors have a common reactor wall.
3. The multiple inlet multiple return ABR system of any of claims 1-2, wherein the annular water collection trough of each of said vertical flow reactors decreases in water level from front to back.
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| CN202122230943.1U CN216997842U (en) | 2021-09-15 | 2021-09-15 | ABR system of multiple spot inflow multiple spot backward flow |
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| CN202122230943.1U CN216997842U (en) | 2021-09-15 | 2021-09-15 | ABR system of multiple spot inflow multiple spot backward flow |
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