Swirling flow field denitrification reactor

Abstract

The utility model discloses a swirling flow field denitrification reactor, which relates to the technical field of environmental protection wastewater treatment, and comprises a pre-swirling flow field, which comprises a cylindrical structure at the upper part and a conical structure at the lower part, a first water inlet and a first water outlet are arranged at the upper part and the top of the pre-swirling flow field, and a first sludge discharge port is arranged at the bottom of the pre-swirling flow field; the wastewater and medicament mixing pipeline is connected with the first water inlet; the main swirling flow field comprises an upper centrifugal reaction area and a lower circulating liquid storage area, the two areas are connected through a guide cylinder, a centrifugal filler cylinder is arranged in the center of the centrifugal reaction area, the first water outlet is communicated with the centrifugal filler cylinder, and the circulating liquid storage area is provided with a second water outlet and a second sludge discharge port. Then the liquid is collected in the circulating liquid storage area, and the guide cylinder can send the liquid in the circulating liquid storage area back to the inside of the centrifugal filler cylinder again; the control unit is in control connection with each component; the reactor is high in treatment efficiency, good in water quality adaptability and convenient and flexible to operate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to environmental protection wastewater treatment technical field, more specifically, it relates to a cyclone field denitrification reactor. BACKGROUND

[0002] Desulfurization and denitration wastewater mainly contains sodium sulfite, ammonia nitrogen and other pollutants, usually, sodium sulfite in wastewater is oxidized into sodium sulfate by pre-aeration, thereby removing COD, and then ammonia nitrogen is treated by biological method.

[0003] The above process mainly has the following problems:

[0004] 1) Sodium sulfite is oxidized by air aeration, the reaction efficiency is low, and the reaction device is large in size;

[0005] 2) Although biological method removes ammonia nitrogen, the operation energy consumption is low, but due to the low removal load, the device is huge in size, and cannot adapt to the characteristics of large fluctuation of desulfurization and denitration wastewater quality. UTILITY MODEL CONTENT

[0006] The utility model aims at the deficiencies in the prior art, and provides a cyclone field denitrification reactor, a pre-cyclone field and a main cyclone field are arranged in the reactor, liquid is separated twice under the action of centrifugal force, and a centrifugal filler cylinder is arranged in the main cyclone field, so that different components in the liquid can be mixed by enhanced mass transfer, thereby effectively removing ammonia nitrogen and COD, improving treatment efficiency and water quality adaptability.

[0007] In order to realize the above object, the utility model provides a cyclone field denitrification reactor, which comprises:

[0008] The pre-cyclone field comprises a cylindrical structure at the upper part and a conical structure at the lower part, a first water inlet is arranged at the upper part of the pre-cyclone field, a first water outlet is arranged at the top of the pre-cyclone field, and a first sludge discharge port is arranged at the bottom of the pre-cyclone field;

[0009] A wastewater medicament mixing pipeline is connected with the first water inlet, and liquid in the wastewater medicament mixing pipeline enters the pre-cyclone field in a tangent direction;

[0010] The main cyclone field comprises a centrifugal reaction zone at the upper part and a circulating liquid storage zone at the lower part, the centrifugal reaction zone and the circulating liquid storage zone are connected through a flow guide cylinder, a centrifugal filler cylinder is rotationally arranged at the center of the centrifugal reaction zone, the first water outlet is communicated with the inside of the centrifugal filler cylinder through a pipeline, the circulating liquid storage zone is provided with a second water outlet and a second sludge discharge port, when the centrifugal filler cylinder operates, liquid is centrifugally thrown out of the centrifugal filler cylinder and is collected in the circulating liquid storage zone under the action of gravity, and the flow guide cylinder can send liquid in the circulating liquid storage zone back to the inside of the centrifugal filler cylinder again;

[0011] A control unit is connected with the wastewater agent mixing pipeline and the main cyclone field.

[0012] Optionally, the wastewater agent mixing pipeline comprises a water inlet pipeline and an agent mixing pipeline, the water inlet pipeline is provided with a water inlet control valve, a water inlet flow meter, a water inlet PH value measuring instrument and an ammonia nitrogen online analyzer, and the agent mixing pipeline is provided with an agent automatic control adjusting valve and an agent flow meter.

[0013] Optionally, the control unit is connected with the water inlet flow meter, the ammonia nitrogen online analyzer, the agent automatic control adjusting valve and the agent flow meter.

[0014] Optionally, the centrifugal reaction zone is a cuboid or a cylinder, and the length and the width of the centrifugal reaction zone are the same.

[0015] Optionally, a motor is arranged above the centrifugal reaction zone, the motor is connected with the top of the centrifugal filler cylinder through a transmission shaft, the bottom of the centrifugal filler cylinder is connected with the top of the flow guide cylinder through a sealing ring, and the centrifugal filler cylinder is arranged in opposite rotation with the flow guide cylinder.

[0016] Optionally, the centrifugal filler cylinder is circumferentially provided with a plurality of layers of fillers, the fillers are stainless steel wire meshes or perforated plates, a water distributor is arranged at the central axis of the centrifugal filler cylinder, and the water distributor is a perforated pipe which is correspondingly arranged with the fillers.

[0017] Optionally, a ring-shaped flusher is arranged in the centrifugal reaction zone, the ring-shaped flusher is arranged at the outer periphery of the centrifugal filler cylinder, and the ring-shaped flusher is connected with a flush water automatic control switch valve through a flush water pipe.

[0018] Optionally, the inner wall of the circulating liquid storage zone is in an arc-shaped slope structure, a hopper is arranged at the bottom of the circulating liquid storage zone, and the second water outlet is located on the upper side of the hopper.

[0019] Optionally, an air lifter is arranged at the center of the circulating liquid storage zone, the bottom of the air lifter is connected with the hopper, the top of the air lifter is arranged in the flow guide cylinder, the air lifter is connected with a blast air pipeline, and the blast air pipeline is provided with a blast air automatic control adjusting valve and a blast air flow meter.

[0020] Optionally, the flow guide cylinder is in a cylindrical shape, the bottom of the flow guide cylinder is provided with a conical flow guide plate, and the diameter and the height of the conical flow guide plate are the same.

[0021] The cyclone field denitrification reactor has the advantages that:

[0022] 1. The rotational flow field denitrification reactor integrates the removal structures of COD and ammonia nitrogen in a set of devices, has high reaction efficiency, and has small device volume and small land occupation;

[0023] 2. The rotational flow field denitrification reactor can flexibly adjust the reagent dosage and the circulation ratio according to the water quality, can cope with the fluctuation of the water quality, and realizes automatic control;

[0024] 3. The rotational flow field denitrification reactor is provided with an air lifter, centrifugal force can be generated due to the rotating centrifugal filler cylinder, vacuum suction is formed at the upper center position of the flow guide cylinder, liquid in the circulating liquid storage area is returned to the centrifugal reaction area, sodium sulfite and ammonia nitrogen in the liquid are removed through multiple times of being thrown out by the centrifugal filler cylinder.

[0025] Other features and advantages of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0026] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the several views, and wherein the same reference numbers and characters indicate similar features throughout the views.

[0027] Figure 1 A structure diagram of a rotational flow field denitrification reactor according to one embodiment of the present application is shown.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1. Pre-rotational flow field; 2. Main rotational flow field; 3. First water inlet; 4. First water outlet; 5. First sludge discharge port; 6. Flow guide cylinder; 7. Centrifugal filler cylinder; 8. Second water outlet; 9. Second sludge discharge port; 10. Water inlet pipeline; 11. Reagent mixing pipeline; 12. Water inlet control valve; 13. Water inlet flowmeter; 14. Water inlet PH value measuring instrument; 15. Ammonia nitrogen online analyzer; 16. Reagent automatic control regulating valve; 17. Reagent flowmeter; 18. Motor; 19. Transmission shaft; 20. Sealing ring; 21. Filler; 22. Water distributor; 23. Annular flusher; 24. Flush water pipe; 25. Flush water automatic control on-off valve; 26. Sludge bucket; 27. Air lifter; 28. Blast air pipeline; 29. Blast automatic control regulating valve; 30. Blast flowmeter. DETAILED DESCRIPTION

[0030] Preferred embodiments of the present application will be described in more detail below. Although the following describes preferred embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided to make the present application more thorough and complete, and to convey the scope of the present application to those skilled in the art.

[0031] The present application provides a cyclone field denitrification reactor, comprising:

[0032] The pre-cyclone field comprises a cylindrical structure at the upper portion and a conical structure at the lower portion, the upper portion of the pre-cyclone field is provided with a first water inlet, the top of the pre-cyclone field is provided with a first water outlet, and the bottom of the pre-cyclone field is provided with a first sludge outlet;

[0033] The wastewater and the medicament are mixed through the pipeline, and the liquid in the wastewater medicament mixing pipeline enters the pre-cyclone field in a tangential direction;

[0034] The main cyclone field comprises a centrifugal reaction zone at the upper portion and a circulating liquid storage zone at the lower portion, the centrifugal reaction zone and the circulating liquid storage zone are connected through a flow guide cylinder, the central portion of the centrifugal reaction zone is rotatably provided with a centrifugal filler cylinder, the first water outlet is connected to the inside of the centrifugal filler cylinder through a pipeline, the circulating liquid storage zone is provided with a second water outlet and a second sludge outlet, when the centrifugal filler cylinder operates, the liquid is centrifugally thrown out of the centrifugal filler cylinder and collected in the circulating liquid storage zone under the action of gravity, and the flow guide cylinder can send the liquid in the circulating liquid storage zone back to the inside of the centrifugal filler cylinder again;

[0035] The control unit is connected to the wastewater medicament mixing pipeline and the main cyclone field.

[0036] Specifically, the pre-cyclone field and the main cyclone field are arranged in the reactor, the wastewater and the medicament are mixed and then enter the pre-cyclone field, the liquid is centrifugally precipitated in the pre-cyclone field, and the supernatant is transported to the main cyclone field; in the main cyclone field, the liquid is thrown out to the side wall of the main cyclone field under the action of rotation of the centrifugal filler cylinder, and the liquid realizes intensified mass transfer mixing in the process of passing through the filler, so that the ammonia nitrogen and the COD are effectively removed. In addition, the flow guide cylinder is arranged in the main cyclone field, and under the action of stripping and centrifugal vacuum of the centrifugal filler cylinder, the liquid in the circulating liquid storage zone can enter the centrifugal filler cylinder again, and the process is repeated to form a large proportion of circulation.

[0037] After the wastewater and the medicament are mixed through the pipeline, the liquid enters the pre-cyclone field in a tangential direction and moves downward in a spiral shape, the suspended solids in the wastewater are thrown to the wall under the action of centrifugal force generated by the cyclone, and then the suspended solids are discharged to the first sludge outlet at the bottom of the cone. The supernatant rises to become an inner layer cyclone, and the wastewater and the medicament are fully mixed for the first time, and then the liquid is discharged from the first water outlet at the top center into the main cyclone field.

[0038] Optionally, the wastewater agent mixing pipeline comprises a water inlet pipeline and an agent mixing pipeline, the water inlet pipeline is provided with a water inlet control valve, a water inlet flow meter, a water inlet PH value measuring instrument and an ammonia nitrogen online analyzer, and the agent mixing pipeline is provided with an agent automatic control adjusting valve and an agent flow meter.

[0039] Optionally, the control unit is in control connection with the water inlet flow meter, the ammonia nitrogen online analyzer, the agent automatic control adjusting valve and the agent flow meter.

[0040] Specifically, the first water inlet of the pre-swirl field is connected with the water inlet pipeline and the agent mixing pipeline. On the water inlet pipeline, a control valve, a flow meter, a PH value measuring instrument and an ammonia nitrogen online analyzer are sequentially arranged; on the agent mixing pipeline, an automatic control adjusting valve and a flow meter are sequentially arranged. Through interlocking control of the control unit on the valve body and the flow meter, automatic adjustment of the agent dosage can be realized.

[0041] Optionally, the centrifugal reaction zone is a cuboid or a cylinder, and the length dimension and the width dimension of the centrifugal reaction zone are the same.

[0042] Optionally, a motor is arranged above the centrifugal reaction zone, the motor is connected with the top of the centrifugal filler cylinder through a transmission shaft, the bottom of the centrifugal filler cylinder is connected with the top of the flow guide cylinder through a sealing ring, and the centrifugal filler cylinder and the flow guide cylinder are arranged in opposite rotation.

[0043] Optionally, the centrifugal filler cylinder is provided with multiple layers of fillers in the circumferential direction, the fillers are stainless steel wire meshes or perforated plates, a water distributor is arranged at the central axis of the centrifugal filler cylinder, and the water distributor is a perforated pipe corresponding to the fillers.

[0044] Specifically, a centrifugal filler cylinder is arranged in the centrifugal reaction zone, the top of the centrifugal filler cylinder is connected with the transmission shaft, the lower end of the centrifugal filler cylinder is a loose end, and the lower end is connected with the top end of the flow guide cylinder through a sealing ring, so that the liquid flow direction of the centrifugal filler cylinder is from bottom to top. The fillers are arranged in a ring shape in the centrifugal filler cylinder, and the fillers are arranged in 2-4 layers. In addition to the input liquid from bottom to top through the flow guide cylinder, the centrifugal filler cylinder can also introduce the water outlet of the pre-swirl field into the centrifugal filler cylinder through the water distributor. The water distributor is a perforated pipe, multiple layers of water distribution holes are arranged, generally 4-6 layers, 2-3 holes are arranged in each layer, the distance between each layer is 100-200 mm, and the hole diameter is 5-8 mm.

[0045] The first water outlet of the pre-swirl field enters the center of the centrifugal packing cylinder through the water distributor, is forced to drive out of the cylinder under the action of centrifugal force, and then flows along the outer wall of the centrifugal reaction zone by gravity into the lower circulating liquid storage area. During the process of the liquid passing through the packing, the different components in the wastewater are mixed for enhanced mass transfer, so that the reaction occurs rapidly. Among them, the ammonia nitrogen in the desulfurization and denitrification wastewater reacts with sodium hypochlorite to generate sodium chloride, nitrogen and water; the sodium sulfite in the desulfurization and denitrification wastewater reacts with oxygen in the air to generate sodium sulfate. Thus, ammonia nitrogen and COD are effectively removed. Substrates that have not been fully reacted in the pre-swirl field enter the centrifugal reaction zone of the main swirl field, and the substrates are subjected to more intense reactions in the centrifugal reaction zone under the action of centrifugal force, thereby achieving the purposes of improving reaction efficiency, shortening reaction time, and reducing equipment volume.

[0046] Optionally, an annular flusher is arranged in the centrifugal reaction zone, and the annular flusher is arranged at the outer periphery of the centrifugal packing cylinder. The annular flusher is connected with a flush water pipe and a flush water automatic control on-off valve.

[0047] Specifically, the outer periphery of the centrifugal packing cylinder is provided with an annular flusher connected with a flush water pipe. The annular flusher can be provided with 2-3 layers and adopts a perforated pipe structure. The opening direction of the annular flusher is directed to the center, the hole spacing is 100-150 mm, and the hole diameter is 4-6 mm. The annular flusher can use industrial water or tap water to flush the clogged centrifugal packing cylinder, and realizes online automatic flushing through the timing opening and closing of the flush water automatic control on-off valve.

[0048] Optionally, the inner wall of the circulating liquid storage area is in an arc slope structure, a hopper is arranged at the bottom of the circulating liquid storage area, and the second water outlet is located on the upper side of the hopper.

[0049] Specifically, the circulating liquid storage area is provided with a second water outlet, and the desulfurization and denitrification wastewater after reaction has the COD and ammonia nitrogen removed and discharged from the second water outlet. The circulating liquid storage area adopts an arc slope structure to effectively avoid the accumulation of sludge in the corner at the bottom of the main swirl field. The bottom of the circulating liquid storage area is also provided with a hopper. After the reactor is operated for a period of time, the sludge brought in by the influent and the sludge generated by flushing the centrifugal packing cylinder will accumulate here, and finally be discharged through a sludge discharge port.

[0050] Optionally, an air lifter is arranged at the center of the circulating liquid storage area, the bottom of the air lifter is connected with the hopper, the top of the air lifter is arranged in the inside of the flow guide cylinder, the air lifter is connected with a blast air pipeline, and a blast air automatic control regulating valve and a blast air flow meter are arranged on the blast air pipeline.

[0051] Specifically, a guide cylinder is arranged at the center of the bottom of the hopper, and an air lifter is arranged in the guide cylinder, and the inlet end of the air lifter is connected with the air blowing pipeline; when the air blowing air is injected into the air lifter, the liquid level in the guide cylinder will be raised, and in addition, the centrifugal filler cylinder above the guide cylinder is rotated by the motor, so that a vacuum suction force is formed in the centrifugal filler cylinder; under the double actions of stripping and vacuum suction, the liquid in the circulating liquid storage area enters the centrifugal filler cylinder again, and then is thrown out by the centrifugal filler cylinder and flows down along the outer wall of the centrifugal reaction area to return to the circulating liquid storage area, and the cycle is repeated to form a large proportion of circulation.

[0052] Optionally, the guide cylinder is in a cylindrical shape, and a conical flow guide plate is arranged at the bottom of the guide cylinder, and the diameter size of the conical flow guide plate is the same as the height size.

[0053] Embodiment

[0054] As Figure 1 shown, the utility model provides a cyclone field denitrification reactor, including:

[0055] The pre-cyclone field 1 includes a cylindrical structure in the upper part and a conical structure in the lower part, the pre-cyclone field 1 is provided with a first water inlet 3 in the upper part, the pre-cyclone field 1 is provided with a first water outlet 4 in the top, and the pre-cyclone field 1 is provided with a first sludge discharge port 5 in the bottom.

[0056] The wastewater medicament mixing pipeline is connected with the first water inlet 3, and the liquid of the wastewater medicament mixing pipeline enters the pre-cyclone field 1 in the tangential direction.

[0057] The main cyclone field 2 includes a centrifugal reaction area in the upper part and a circulating liquid storage area in the lower part, and the centrifugal reaction area and the circulating liquid storage area are connected through a guide cylinder 6; the centrifugal reaction area is rotationally provided with a centrifugal filler cylinder 7 in the center, the first water outlet 4 is communicated with the inside of the centrifugal filler cylinder 7 through a pipeline, the circulating liquid storage area is provided with a second water outlet 8 and a second sludge discharge port 9, when the centrifugal filler cylinder 7 operates, the liquid is centrifugally thrown out from the centrifugal filler cylinder 7 and gathered in the circulating liquid storage area under the action of gravity, and the guide cylinder 6 can send the liquid in the circulating liquid storage area back to the inside of the centrifugal filler cylinder 7 again.

[0058] The control unit is connected with the wastewater medicament mixing pipeline and the main cyclone field 2.

[0059] In the embodiment, the wastewater medicament mixing pipeline includes a water inlet pipeline 10 and a medicament mixing pipeline 11, the water inlet pipeline 10 is provided with a water inlet control valve 12, a water inlet flow meter 13, a water inlet PH value measuring instrument 14 and an ammonia nitrogen online analyzer 15, and the medicament mixing pipeline 11 is provided with a medicament automatic control adjusting valve 16 and a medicament flow meter 17.

[0060] In the embodiment, the control unit is connected with the water inflow meter 13, the ammonia nitrogen on-line analyzer 15, the medicament automatic control adjusting valve 16 and the medicament flow meter 17.

[0061] In the embodiment, the centrifugal reaction zone is a cuboid or a cylinder, and the length and the width of the centrifugal reaction zone are the same.

[0062] In the embodiment, the centrifugal reaction zone is provided with a motor 18 at the top, the motor 18 is connected with the top of the centrifugal filler cylinder 7 through a transmission shaft 19, the bottom of the centrifugal filler cylinder 7 is connected with the top of the flow guide cylinder 6 through a sealing ring 20, and the centrifugal filler cylinder 7 and the flow guide cylinder 6 are arranged in opposite rotation.

[0063] In the embodiment, the centrifugal filler cylinder 7 is provided with multiple layers of fillers 21 in the circumferential direction, the fillers 21 are stainless steel wire meshes or perforated plates, a water distributor 22 is arranged at the central axis of the centrifugal filler cylinder 7, and the water distributor 22 is a perforated pipe which is arranged corresponding to the fillers 21.

[0064] In the embodiment, the centrifugal reaction zone is provided with an annular flusher 23, the annular flusher 23 is arranged at the outer periphery of the centrifugal filler cylinder 7, and the annular flusher 23 is connected with a flush water automatic control on-off valve 25 through a flush water pipe 24.

[0065] In the embodiment, the inner wall of the circulating liquid storage zone is in an arc-shaped slope structure, a hopper 26 is arranged at the bottom of the circulating liquid storage zone, and the second water outlet 8 is located at the upper side of the hopper 26.

[0066] In the embodiment, the circulating liquid storage zone is provided with an air lifter 27 at the center, the bottom of the air lifter 27 is connected with the hopper 26, the top of the air lifter 27 is arranged inside the flow guide cylinder 6, the air lifter 27 is connected with a blast air pipeline 28, and the blast air pipeline 28 is provided with a blast air automatic control adjusting valve 29 and a blast air flow meter 30.

[0067] In the embodiment, the flow guide cylinder 6 is in a cylindrical shape, and the bottom of the flow guide cylinder 6 is provided with a conical drainage plate, and the diameter and the height of the conical drainage plate are the same.

[0068] In summary, the cyclone field denitrification reactor is used in a petrochemical company, the design water inflow of the project is 100 m 3 / h.

[0069] The wastewater is mixed with sodium hypochlorite in the medicament mixing pipeline 11 before entering the pre-cyclone field 1, centrifugal separation is carried out in the pre-cyclone field 1, the supernatant obtained is introduced into the main cyclone field 2 from the first water outlet 8, the centrifugal filler cylinder 7 is driven to rotate by the motor 18, the liquid is thrown to the side wall of the main cyclone field 2 under the centrifugal action, and then flows to the circulating liquid storage area, the liquid in the circulating liquid storage area is sent back to the centrifugal filler cylinder 7 again through the stripping action of the air lift 27, and a large proportion of circulation is realized; in the process that the liquid is thrown by the centrifugal filler cylinder 7, the liquid passes through the filler 21, the mass transfer mixing is strengthened, and the ammonia nitrogen and COD in the liquid are effectively removed.

[0070] The water inlet and outlet indexes are realized: after the sewage is treated by the cyclone field denitrification reactor, the COD and ammonia nitrogen are effectively removed. The main water inlet and outlet indexes are shown in the following table:

[0071] Serial number Item Unit Import Export 1 CODcr mg / L ≤1000 ≤200 2 Ammonia nitrogen mg / L ≤100 ≤5

[0072] The above has described various embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A cyclonic flow field denitrator characterized by, The application relates to a wastewater treatment device. The pre-rotation flow field comprises an upper cylindrical structure and a lower conical structure, the upper part of the pre-rotation flow field is provided with a first water inlet, the top of the pre-rotation flow field is provided with a first water outlet, and the bottom of the pre-rotation flow field is provided with a first sludge discharge port; The wastewater agent mixing pipeline is connected with the first water inlet, and liquid in the wastewater agent mixing pipeline enters the pre-rotation flow field in a tangential direction; The main rotation flow field comprises an upper centrifugal reaction zone and a lower circulating liquid storage zone, the centrifugal reaction zone and the circulating liquid storage zone are connected through a flow guide cylinder, the central part of the centrifugal reaction zone is rotationally provided with a centrifugal filler cylinder, the first water outlet is communicated with the inside of the centrifugal filler cylinder through a pipeline, the circulating liquid storage zone is provided with a second water outlet and a second sludge discharge port, when the centrifugal filler cylinder operates, liquid is centrifugally thrown out of the centrifugal filler cylinder and gathered in the circulating liquid storage zone under the action of gravity, and the flow guide cylinder can send the liquid in the circulating liquid storage zone back to the inside of the centrifugal filler cylinder again; A control unit is connected with the wastewater agent mixing pipeline and the main rotation flow field.

2. The cyclonic flow field denitrator reactor of claim 1, wherein, The wastewater agent mixing pipeline comprises a water inlet pipeline and an agent mixing pipeline, the water inlet pipeline is provided with a water inlet control valve, a water inlet flowmeter, a water inlet PH value measuring instrument and an ammonia nitrogen online analyzer, and the agent mixing pipeline is provided with an agent automatic control adjusting valve and an agent flowmeter.

3. The cyclonic flow field denitrator reactor of claim 2, wherein, The control unit is connected with the water inlet flowmeter, the ammonia nitrogen online analyzer, the agent automatic control adjusting valve and the agent flowmeter.

4. The cyclonic flow field denitrator reactor of claim 1, wherein, The centrifugal reaction zone is a cuboid or a cylinder, and the length and the width of the centrifugal reaction zone are the same.

5. The cyclonic flow field denitrator reactor of claim 1, wherein, A motor is arranged above the centrifugal reaction zone, the motor is connected with the top of the centrifugal filler cylinder through a transmission shaft, the bottom of the centrifugal filler cylinder is connected with the top of the flow guide cylinder through a sealing ring, and the centrifugal filler cylinder is rotationally arranged opposite to the flow guide cylinder.

6. The hydrocyclone field denitrification reactor of claim 5, wherein, The centrifugal filler cylinder is circumferentially provided with multiple layers of fillers, the fillers are stainless steel wire meshes or perforated plates, a water distributor is arranged at the central axis of the centrifugal filler cylinder, the water distributor is a perforated pipe, and the perforated pipe is correspondingly arranged with the fillers.

7. The cyclonic flow field denitrator of claim 1 wherein, An annular flusher is arranged in the centrifugal reaction zone, the annular flusher is arranged at the outer periphery of the centrifugal filler cylinder, and the annular flusher is connected with a flush water automatic control switch valve through a flush water pipeline.

8. The cyclonic flow field denitrator of claim 1 wherein, The inner wall of the circulating liquid storage zone is in an arc-shaped slope structure, a sludge bucket is arranged at the bottom of the circulating liquid storage zone, and the second water outlet is located on the upper side of the sludge bucket.

9. The cyclonic flow field denitrator reactor of claim 8, wherein, An air lifter is arranged at the center of the circulating liquid storage zone, the bottom of the air lifter is connected with the sludge bucket, the top of the air lifter is arranged in the inside of the flow guide cylinder, the air lifter is connected with a blast air pipeline, and the blast air pipeline is provided with a blast air automatic control adjusting valve and a blast air flowmeter.

10. The cyclonic flow field denitrator of claim 1 wherein, The flow guide cylinder is in a cylindrical shape, the bottom of the flow guide cylinder is provided with a conical flow guide plate, and the diameter and the height of the conical flow guide plate are the same.

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