CN110092435B - Microwave-ultraviolet cooperated organic wastewater treatment system - Google Patents
Microwave-ultraviolet cooperated organic wastewater treatment system Download PDFInfo
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- CN110092435B CN110092435B CN201910477243.7A CN201910477243A CN110092435B CN 110092435 B CN110092435 B CN 110092435B CN 201910477243 A CN201910477243 A CN 201910477243A CN 110092435 B CN110092435 B CN 110092435B
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 66
- 239000002351 wastewater Substances 0.000 claims abstract description 89
- 230000005855 radiation Effects 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000002195 synergetic effect Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/302—Treatment of water, waste water, or sewage by irradiation with microwaves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3227—Units with two or more lamps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a microwave-ultraviolet synergistic organic wastewater treatment system which comprises a microwave radiator, a wastewater treatment device, ultraviolet radiation and a stirrer and a microwave electrodeless ultraviolet lamp, wherein the microwave radiator consists of a microwave radiation cavity and a waveguide tube, the wastewater treatment device consists of a wastewater outlet, a water baffle, a wastewater treatment tank and a wastewater inlet, the ultraviolet radiation and the stirrer consist of a rotating shaft, a disc, a microwave electrodeless ultraviolet lamp sleeve and a buffer cushion, the microwave electrodeless ultraviolet lamp is arranged in the microwave electrodeless ultraviolet lamp sleeve, the ultraviolet radiation and the stirrer are arranged in the wastewater treatment tank, and the wastewater treatment device is fixed in the microwave radiation cavity through the wastewater outlet and the wastewater inlet. The system utilizes the ultraviolet radiation and the stirrer to ensure that the wastewater uniformly receives the microwaves and the ultraviolet radiation, has high energy utilization rate and good wastewater treatment effect, and also has the wastewater disinfection function.
Description
Technical Field
The invention relates to an organic wastewater treatment system, in particular to a microwave-ultraviolet cooperative organic wastewater treatment system.
Background
The microwave has certain organic wastewater treatment capacity, and can be used in combination with other organic wastewater treatment methods. Research shows that the treatment of wastewater by microwaves mainly comprises two aspects of thermal effect and non-thermal effect. The thermal effect means that microwave energy is converted into waste water in the form of heat energy, so that the temperature of the waste water is increased, and the degradation rate of pollutants is accelerated; the non-thermal effect means that microwave radiation weakens the valence bond of the organic molecules and reduces the degradation activation energy of pollutants.
For the thermal effect of microwaves, the existing disputes mainly have two aspects: on one hand, the energy consumption is higher, and the loss caused by the energy consumption can not be compensated for by accelerating the degradation rate of pollutants; on the other hand, the discharged wastewater can cause the thermal pollution of the receiving water body due to higher temperature. To solve the above problems, scholars have made many studies, and one of the more sophisticated methods is to use a microwave electrodeless ultraviolet lamp that can be lighted and generate ultraviolet light under microwave radiation. In actual operation, the microwave can be contacted with the microwave electrodeless ultraviolet lamp to convert part of microwave energy into ultraviolet energy, so that the proportion of the microwave energy absorbed by the wastewater is reduced. This reduces the waste water temperature while ensuring that a portion of the microwave energy is absorbed by the waste water without excessively affecting the non-thermal effects of the microwaves. As the ultraviolet light has higher frequency than the microwaves, the energy of the ultraviolet light is stronger, and the valence bond of organic molecules can be opened, so that organic pollutants can be effectively degraded. Therefore, the ultraviolet radiation and the microwave non-thermal effect are matched, so that the treatment effect of the organic wastewater can be greatly improved.
The influence of the nature of the wastewater on the propagation of both in the wastewater is considered when introducing both microwave radiation and ultraviolet radiation. For microwaves, as the wastewater absorbs the microwaves, the microwaves can generate a certain penetration depth in the wastewater, and the wastewater beyond the penetration depth cannot receive microwave radiation; for ultraviolet light, some wastewater has poor light transmittance, and the transmission of ultraviolet light in the wastewater can be seriously weakened. Therefore, effective measures should be taken to enable the wastewater to receive microwave radiation and ultraviolet radiation uniformly at the same time.
Disclosure of Invention
The invention aims to provide an effective microwave-ultraviolet synergistic organic wastewater treatment system, which can realize effective conversion of microwave energy to ultraviolet energy and uniform reception of wastewater to microwave and ultraviolet light, thereby realizing triple aims of avoiding heat pollution of a receiving water body, reducing energy consumption and improving organic wastewater treatment efficiency.
The invention aims at realizing the following technical scheme:
the microwave-ultraviolet synergistic organic wastewater treatment system comprises a microwave radiator 1, a wastewater treatment device 2, ultraviolet radiation and a stirrer 3 and a microwave electrodeless ultraviolet lamp 4, wherein the microwave radiator 1 consists of a microwave radiation cavity 1-1 and two waveguides 1-2, the wastewater treatment device 2 consists of a wastewater outlet 2-1, a water baffle 2-2, a wastewater treatment tank 2-3 and a wastewater inlet 2-4, the ultraviolet radiation and the stirrer 3 consists of a rotating shaft 3-1, a disc 3-2, a microwave electrodeless ultraviolet lamp sleeve 3-3 and a buffer cushion 3-4, the microwave electrodeless ultraviolet lamp 4 is arranged in the microwave electrodeless ultraviolet lamp sleeve 3-3, the ultraviolet radiation and the stirrer 3 are arranged in the wastewater treatment tank 2-3, and the wastewater treatment device 2 is fixed in the microwave radiation cavity 1-1 through the wastewater outlet 2-1 and the wastewater inlet 2-4.
According to the technical scheme provided by the invention, the microwave-ultraviolet synergistic organic wastewater treatment system provided by the embodiment of the invention can effectively convert microwave energy into ultraviolet light energy by enabling microwave radiation to be in contact with the microwave electrodeless ultraviolet lamp, and reduces the absorption of wastewater to microwaves while not influencing the non-thermal effect of the microwaves excessively; through ultraviolet radiation and rotation of the stirrer 3, the microwave electrodeless ultraviolet lamp sleeve can generate disturbance effect on the wastewater, and the wastewater is promoted to flow in the wastewater treatment tank 2-3 in a rotating way. The system can obviously reduce the temperature of the wastewater outlet and avoid heat pollution to the receiving water body; can make the waste water receive microwave radiation and ultraviolet radiation uniformly at the same time, and has good waste water treatment effect. In addition, it is worth mentioning that the system also has an additional sterilizing effect on the organic wastewater due to the irradiation of ultraviolet light.
Drawings
FIG. 1 is a top view of a microwave-ultraviolet cooperative organic wastewater treatment system provided by an embodiment of the invention;
FIG. 2 is a cross-sectional view of a microwave-ultraviolet cooperative organic wastewater treatment system 1-1 according to an embodiment of the present invention;
FIG. 3 is a top view of a microwave radiator of a microwave-ultraviolet cooperative organic wastewater treatment system according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a microwave radiator 2-2 of a microwave-ultraviolet cooperative organic wastewater treatment system according to an embodiment of the present invention;
FIG. 5 is a top view of a wastewater treatment apparatus of a microwave-ultraviolet co-organic wastewater treatment system according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a wastewater treatment plant 3-3 of a microwave-ultraviolet co-organic wastewater treatment system according to an embodiment of the present invention;
FIG. 7 is a top view of ultraviolet radiation and agitator of a microwave-ultraviolet co-organic wastewater treatment system according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of the ultraviolet radiation and stirrer 4-4 of the microwave-ultraviolet synergistic organic wastewater treatment system provided by the embodiment of the invention;
FIG. 9 is a front view of a microwave electrodeless ultraviolet lamp of a microwave-ultraviolet cooperative organic wastewater treatment system provided by an embodiment of the invention;
FIG. 10 is a schematic illustration (1) of a microwave-ultraviolet cooperative organic wastewater treatment system according to an embodiment of the present invention;
FIG. 11 is a schematic illustration (2) of a microwave-ultraviolet cooperative organic wastewater treatment system according to an embodiment of the present invention;
FIG. 12 is a schematic illustration (3) of a microwave-ultraviolet co-organic wastewater treatment system according to an embodiment of the present invention.
In the figure:
1-a microwave radiator; 2-a wastewater treatment device; 3-ultraviolet radiation and stirrer; 4-a microwave electrodeless ultraviolet lamp; 1-1-a microwave radiation cavity; 1-2-waveguide; 2-1-a waste water outlet; 2-2-water baffle; 2-3-a wastewater treatment tank; 2-4-wastewater inlet; 3-1-rotating shaft; 3-2-discs; 3-3-microwave electrodeless ultraviolet lamp sleeve; 3-4-cushioning pad; the rotation axis of the M-rotation shaft; an axis of the N-wastewater treatment tank.
Detailed Description
Embodiments of the present invention will be described in further detail below. What is not described in detail in the embodiments of the present invention belongs to the prior art known to those skilled in the art.
The preferred embodiment of the microwave-ultraviolet cooperative organic wastewater treatment system of the present invention is shown in fig. 1 to 12:
the microwave electrodeless ultraviolet lamp comprises a microwave radiator 1, a wastewater treatment device 2, ultraviolet radiation and a stirrer 3 and a microwave electrodeless ultraviolet lamp 4, wherein the microwave radiator 1 consists of a microwave radiation cavity 1-1 and a waveguide tube 1-2, the wastewater treatment device 2 consists of a wastewater outlet 2-1, a water baffle 2-2, a wastewater treatment tank 2-3 and a wastewater inlet 2-4, the ultraviolet radiation and stirrer 3 consists of a rotating shaft 3-1, a disc 3-2, a microwave electrodeless ultraviolet lamp housing 3-3 and a buffer pad 3-4, the microwave electrodeless ultraviolet lamp 4 is arranged in the microwave electrodeless ultraviolet lamp housing 3-3, the ultraviolet radiation and the stirrer 3 are arranged in the wastewater treatment tank 2-3, and the wastewater treatment device 2 is fixed in the microwave radiation cavity 1-1 through the wastewater outlet 2-1 and the wastewater inlet 2-4.
The geometric center connecting line of the two wave guide tubes 1-2 is perpendicular to the cross section of any wave guide tube 1-2, the length of the exposed part of the microwave electrodeless ultraviolet lamp 4 is L after the microwave electrodeless ultraviolet lamp 4 is inserted into the microwave electrodeless ultraviolet lamp sleeve 3-3, and the horizontal plane of the geometric center connecting line of the two wave guide tubes 1-2 just equally divides the exposed part of the microwave electrodeless ultraviolet lamp 4 into two sections, namely L 1 ＝L/2。
The cross section of the wastewater inlet 2-4 and the wastewater outlet 2-1 are circular rings, the inner diameters of the circular rings are the same, and the axis of the wastewater inlet 2-4 and the axis of the wastewater outlet 2-1 are on the same vertical plane.
The water baffle 2-2 is arranged at one end of the wastewater outlet 2-1, which is communicated with the wastewater treatment tank 2-3, the ultraviolet radiation and the stirrer 3 rotate anticlockwise by taking the rotating shaft 3-1 as an axle center, the rotation angular velocity omega is 10-500 revolutions per minute, and the diameter of the cross section of the rotating shaft 3-1 is 2-5 cm.
The bottom of the microwave electrodeless ultraviolet lamp housing 3-3 is provided with the cushion pad 3-4.
Diameter d of the microwave electrodeless ultraviolet lamp 4 1 The diameter R of the lamp sleeve 3-3 of the microwave electrodeless ultraviolet lamp 1 The ratio is 0.99, the diameter R of the microwave electrodeless ultraviolet lamp housing is 3-3 1 Minimum 2.1cm.
The microwave electrodeless ultraviolet lamp sleeves 3-3 are distributed in a plurality of circular rings, the circular rings have the same circle center, and the circle center distance d of the cross section of each two adjacent microwave electrodeless ultraviolet lamp sleeves 3-3 on any circular ring 2 Are all equal to or not less than 2R 1 The difference d between the radii of any two adjacent circular rings 3 Are all equal to or not less than 3R 1 。
Minimum said ring diameter R 2 The ratio of the diameter of the cross section of the rotating shaft 3-1 is not less than 5.
Maximum diameter R of the circular ring 3 The absolute value of the difference from the diameter R of the disk 3-2 is not less than 3R 1 。
The circle center of the circular ring is simultaneously arranged on the rotation axis M of the rotation shaft 3-1 and the axis N of the wastewater treatment tank 2-3.
According to the microwave-ultraviolet synergistic organic wastewater treatment system, wastewater is enabled to flow in a wastewater treatment tank in a rotating way through the rotation of ultraviolet radiation and the stirrer, so that the wastewater can fully receive microwaves and ultraviolet radiation, and the influence of the microwave absorption characteristic and the light transmittance of the wastewater on the wastewater treatment effect is reduced; through setting up the breakwater, make waste water can steadily flow in exit as far as possible, the rivers state can not receive the rotatory influence of flowing of waste water.
Specific examples:
as shown in fig. 1-12, the microwave radiator 1, the waste water treater 2, the ultraviolet radiation and stirrer 3 and the microwave electrodeless ultraviolet lamp 4, wherein the microwave radiator 1 consists of a microwave radiation cavity 1-1 and a waveguide tube 1-2, the waste water treater 2 consists of a waste water outlet 2-1, a water baffle 2-2, a waste water treatment tank 2-3 and a waste water inlet 2-4, the ultraviolet radiation and stirrer 3 consists of a rotating shaft 3-1, a disc 3-2, a microwave electrodeless ultraviolet lamp sleeve 3-3 and a buffer cushion 3-4, the microwave electrodeless ultraviolet lamp 4 is arranged in the microwave electrodeless ultraviolet lamp sleeve 3-3, the ultraviolet radiation and the stirrer 3 are arranged in the waste water treatment tank 2-3, and the waste water treater 2 is fixed in the microwave radiation cavity 1-1 through the waste water outlet 2-1 and the waste water inlet 2-4. The system reduces the absorption ratio of the wastewater to microwaves by adding the microwave electrodeless ultraviolet lamp, and strengthens the treatment effect of the wastewater by utilizing the combined action of the microwaves and ultraviolet light; by promoting the rotational flow of the wastewater, the wastewater can receive microwave and ultraviolet radiation uniformly at the same time.
The geometric center connecting line of the two wave guide tubes 1-2 is perpendicular to the cross section of any wave guide tube 1-2, the length of the exposed part of the microwave electrodeless ultraviolet lamp 4 is L after the microwave electrodeless ultraviolet lamp 4 is inserted into the microwave electrodeless ultraviolet lamp sleeve 3-3, and the horizontal plane of the geometric center connecting line of the two wave guide tubes 1-2 just equally divides the exposed part of the microwave electrodeless ultraviolet lamp 4 into two sections, namely L 1 =l/2. By adopting the structure, microwaves can be uniformly radiated in the microwave radiator, and meanwhile, the microwaves can be firstly contacted with the microwave electrodeless ultraviolet lamp and lightened, so that the microwave energy is firstly converted into ultraviolet energy, and the absorption proportion of wastewater to the microwaves is reduced. Preferably, l=11 cm.
The cross section of the wastewater inlet 2-4 and the wastewater outlet 2-1 are circular rings, the inner diameters of the circular rings are the same, and the axis of the wastewater inlet 2-4 and the axis of the wastewater outlet 2-1 are on the same vertical plane. By adopting the structure, the flow rate of the wastewater is the same in the process of entering and exiting the wastewater processor, and various technical operations on the wastewater inlet and the wastewater outlet are convenient.
The water baffle 2-2 is arranged at one end of the wastewater outlet 2-1, which is communicated with the wastewater treatment tank 2-3, the ultraviolet radiation and the stirrer 3 rotate anticlockwise by taking the rotating shaft 3-1 as an axle center, the rotation angular velocity omega is 10-500 revolutions per minute, and the diameter of the cross section of the rotating shaft 3-1 is 2-5 cm. By means of ultraviolet radiation and the anticlockwise rotation of the stirrer 3, the wastewater can also flow anticlockwise, as shown in fig. 5, due to the existence of the water baffle 2-2, the wastewater cannot be directly discharged from the wastewater outlet 2-1 in the rotation process, and the water baffle 2-2 is bypassed, so that disturbance of the wastewater at the wastewater outlet 2-1 is greatly reduced, and influence on various detection devices at the wastewater outlet is reduced; the cross section diameter of the rotating shaft 3-1 is limited to reserve as much space as possible under the condition of ensuring the strength of the rotating shaft, so that as many microwave electrodeless ultraviolet lamp sleeves as possible can be arranged. Preferably, the rotation angular velocity ω is 100 revolutions per minute, and the cross-sectional diameter of the rotation shaft 3-1 is 2.5cm.
The bottom of the microwave electrodeless ultraviolet lamp housing 3-3 is provided with the cushion pad 3-4. By adopting the structure, the impact of the bottom of the lamp sleeve on the ultraviolet lamp in the process of filling the microwave electrodeless ultraviolet lamp 4 can be effectively reduced, and the possibility of crushing the ultraviolet lamp is greatly reduced.
Diameter d of the microwave electrodeless ultraviolet lamp 4 1 The diameter R of the lamp sleeve 3-3 of the microwave electrodeless ultraviolet lamp 1 The ratio was 0.99. By adopting the structure, the microwave electrodeless ultraviolet lamp can be smoothly inserted into the microwave electrodeless ultraviolet lamp housing 3-3, and the ultraviolet radiation and the stirrer 3 are ensured not to cause severe collision between the ultraviolet lamp and the lamp housing because of overlarge gap between the ultraviolet lamp and the lamp housing in the rotating process.
The diameter R of the microwave electrodeless ultraviolet lamp housing is 3-3 1 Minimum 2.1cm. The minimum value of the diameter of the microwave electrodeless ultraviolet lamp sleeve 3-3 is limited, so that the minimum diameter of the microwave electrodeless ultraviolet lamp is ensured, and the microwave electrodeless ultraviolet lamp can be smoothly lightened under the radiation of microwaves. Preferably, the diameter R of the microwave electrodeless ultraviolet lamp housing is 3-3 1 2.53cm.
The microwave electrodeless ultraviolet lamp sleeves 3-3 are distributed in a plurality of circular rings, the circular rings have the same circle center, and the circle center distance d of the cross section of each two adjacent microwave electrodeless ultraviolet lamp sleeves 3-3 on any circular ring 2 Are all equal to or not less than 2R 1 The difference d between the radii of any two adjacent circular rings 3 Are all equal to or not less than 3R 1 . By adopting the structure, the microwave electrodeless ultraviolet lamp housing 3-3 can be led to have a certain degreeIs regularly distributed, and ensures the uniformity of stirring the wastewater. Preferably d 2 Is 5.06cm, d 3 7.59cm.
Minimum said ring diameter R 2 The ratio of the diameter of the cross section of the rotating shaft 3-1 is not less than 5. By adopting the structure, the diameter of the smallest circular ring is not too small, thereby ensuring the effective stirring effect on the wastewater in the center of the wastewater treatment tank.
Maximum diameter R of the circular ring 3 The absolute value of the difference from the diameter R of the disk 3-2 is not less than 3R 1 . By adopting the structure, the diameter of the largest circular ring is limited, and the tangency between the outer edge of the microwave electrodeless ultraviolet lamp housing 3-3 and the outer edge of the disc 3-2 is avoided.
The circle center of the circular ring is simultaneously arranged on the rotation axis M of the rotation shaft 3-1 and the axis N of the wastewater treatment tank 2-3. By adopting the structure, the waste water can uniformly rotate and flow in the waste water treatment tank 2-3 by taking the axis of the rotating shaft 3-1 as the center in the process of driving the whole ultraviolet radiation and the stirrer to rotate, so that the waste water can uniformly receive the double radiation of the microwave and the ultraviolet radiation as far as possible.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (1)
1. The microwave-ultraviolet synergistic organic wastewater treatment system is characterized by comprising a microwave radiator, a wastewater treatment device, ultraviolet radiation and a stirrer and a microwave electrodeless ultraviolet lamp, wherein the microwave radiator consists of a microwave radiation cavity and two waveguides, the wastewater treatment device consists of a wastewater outlet, a water baffle, a wastewater treatment tank and a wastewater inlet, the ultraviolet radiation and the stirrer consist of a rotating shaft, a disc, a microwave electrodeless ultraviolet lamp sleeve and a buffer cushion, the microwave electrodeless ultraviolet lamp is arranged in the microwave electrodeless ultraviolet lamp sleeve, the ultraviolet radiation and the stirrer are arranged in the wastewater treatment tank, and the wastewater treatment device is fixed in the microwave radiation cavity through the wastewater outlet and the wastewater inlet;
the geometric center connecting line of the two wave guide tubes is perpendicular to the cross section of any wave guide tube, the length of the exposed part of the microwave electrodeless ultraviolet lamp is L after the microwave electrodeless ultraviolet lamp is inserted into the lamp sleeve of the microwave electrodeless ultraviolet lamp, and the horizontal plane of the geometric center connecting line of the two wave guide tubes just equally divides the exposed part of the microwave electrodeless ultraviolet lamp into two sections, namely L 1 ＝L/2；
The cross sections of the wastewater inlet and the wastewater outlet are circular rings, the inner diameters of the circular rings are the same, and the axis of the wastewater inlet and the axis of the wastewater outlet are on the same vertical plane;
the water baffle is arranged at one end of the waste water outlet, which is communicated with the waste water treatment tank, the ultraviolet radiation and the stirrer rotate around the rotating shaft in the anticlockwise direction, the rotation angular speed omega is 10-500 revolutions per minute, and the diameter of the cross section of the rotating shaft is 2-5 cm;
the buffer cushion is arranged at the bottom of the microwave electrodeless ultraviolet lamp housing;
diameter d of the microwave electrodeless ultraviolet lamp 1 Diameter R of lamp sleeve of the microwave electrodeless ultraviolet lamp 1 The ratio is 0.99, the diameter R of the microwave electrodeless ultraviolet lamp housing 1 Minimum 2.1cm;
the microwave electrodeless ultraviolet lamp sleeve is distributed in a plurality of circular rings, the circular rings have the same circle center, and the circle center distance d of the cross sections of the adjacent two microwave electrodeless ultraviolet lamp sleeves on any circular ring 2 Are all equal to or not less than 2R 1 The difference d between the radii of any two adjacent circular rings 3 Are all equal to or not less than 3R 1 ；
Minimum said ring diameter R 2 A ratio to the cross-sectional diameter of the rotating shaft is not less than 5;
maximum diameter R of the circular ring 3 The absolute value of the difference from the diameter R of the disk is not less than 3R 1 ；
The circle center of the circular ring is simultaneously arranged on the rotation axis M of the rotating shaft and the axis N of the wastewater treatment tank.
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