CN112194238A - Broken system of ozone bubble - Google Patents
Broken system of ozone bubble Download PDFInfo
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- CN112194238A CN112194238A CN202011070739.1A CN202011070739A CN112194238A CN 112194238 A CN112194238 A CN 112194238A CN 202011070739 A CN202011070739 A CN 202011070739A CN 112194238 A CN112194238 A CN 112194238A
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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Abstract
The invention discloses an ozone bubble crushing system, which comprises: the device comprises a wastewater reactor, wherein a catalyst bed layer is arranged in the wastewater reactor; the circulating pump is arranged outside the wastewater reactor, and the water inlet end of the circulating pump is connected with the position, close to the top end, of the side wall of the wastewater reactor through a pipeline; the bubble breakers are arranged in the wastewater reactor and are positioned below the catalyst bed layer, one inlet end of each bubble breaker is connected with the water outlet end of the circulating pump through a water outlet pipeline, and the other inlet end of each bubble breaker is connected with the ozone gas pipeline; and the static mixers are uniformly connected to the outlet end of the bubble breaker. The invention fully considers the density of the catalyst and the structure of the catalyst bed layer, reasonably arranges the static mixer at the outlet end of the bubble breaker, reduces the distance between the bubble breaker and the bottom end of the wastewater reactor, realizes the uniform distribution of bubbles in the ozone oxidation wastewater reaction system, and is beneficial to the fluidization of the catalyst.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an ozone bubble crushing system.
Background
With the increasing development of the industry, the yield of sewage is increased dramatically year by year. Meanwhile, the complicated sewage components make the traditional sewage treatment process difficult to meet the requirements of people on water quality, and some toxic and harmful substances in the water body are difficult to effectively remove. As an effective means for complex component water, the advanced oxidation method is widely popularized and applied by the characteristic of efficiently and quickly improving water quality. Wherein, the catalytic ozonation technology has the advantages of common advanced oxidation technology, and has the characteristics of stable effect, no need of secondary treatment, simple process operation and the like.
The traditional bubble breaker for the heterogeneous ozone oxidation wastewater only realizes ozone bubble supply without considering the density of the catalyst and the structure of a catalyst bed layer, and the parameters can obviously influence the fluidization state of the catalyst, so that the gas-liquid-solid mass transfer in the oxidation reaction process can be influenced. In addition, the distance between the bubble breaker and the bottom of the reactor is large in engineering application, and the broken bubbles are reunited in the steam-water conveying process of the long pipeline due to the mode of connecting and supplying air through the long pipeline.
Therefore, how to design an ozone bubble breaking system, which effectively realizes the breaking of bubbles in wastewater and improves the wastewater treatment effect is a problem which needs to be solved urgently at present.
Disclosure of Invention
In order to solve the technical problem, the invention discloses an ozone bubble crushing system, which fully considers the density of a catalyst and the structure of a catalyst bed layer, and a static mixer is reasonably arranged at the outlet end of a bubble crusher, so that the distance between the bubble crusher and the bottom end of a wastewater reactor is reduced, the uniform distribution of bubbles in an ozone oxidation wastewater reaction system is realized, and the fluidization of the catalyst is facilitated; it includes:
the device comprises a wastewater reactor, wherein a catalyst bed layer is arranged in the wastewater reactor;
the circulating pump is arranged outside the wastewater reactor, and the water inlet end of the circulating pump is connected with the position, close to the top end, of the side wall of the wastewater reactor through a pipeline;
a plurality of bubble breakers which are arranged in the wastewater reactor and are positioned below the catalyst bed layer, wherein one inlet end of each bubble breaker is connected with the water outlet end of the circulating pump through a water outlet pipeline, and the other inlet end of each bubble breaker is connected with an ozone gas pipeline;
and the static mixers are uniformly connected to the outlet end of the bubble breaker.
Preferably, the circulation pump is any one of a centrifugal pump and a dissolved air pump.
Preferably, the bubble breakers adopt a hydraulic cutting breaking mode, and the number of the bubble breakers is 2-10.
Preferably, the static mixer is arranged obliquely to the bubble breaker and the angle is set to 60 ° to 120 °.
Preferably, each bubble breaker is provided with 4-6 static mixers, and the length of a connecting pipeline between each static mixer and the bubble breaker is 0.1-0.2 m.
Preferably, the bubble breaker is vertically arranged downwards, the distance between the bubble breaker and the bottom of the wastewater reactor is 0.3-1.0 m, and the distance between the bubble breaker and the catalyst bed layer is 0.5-0.8 m.
Preferably, the number n of bubble breakers, the static mixer and bubble breaker angles
And the number m of static mixers prepared by a bubble breaker, and the calculation method comprises the following steps:
wherein alpha is a constant and ranges from 0.8 to 1.2; beta is a constant, and the range of beta is 0.6-1.2; gamma is a constant in the range of 0.9 to 1.2; s1Is the cross-sectional area of the wastewater reactor in m2；S2Is the cross-sectional area of the bottom of the single bubble breaker in m2；ρSIs the ozone catalyst density in kg/m3；ρLDensity of waste water in kg/m3(ii) a u is the wastewater ascending flow velocity in the wastewater reactor, and the unit is m/s; d is the particle size of the ozone catalyst and is expressed in m; s3Is the cross-sectional area of the static mixer in m2(ii) a n is the number of bubble breakers, and is an integer;
the angle formed by the static mixer and the bubble breaker is measured in degrees; and m is the number of static mixers prepared by one bubble breaker and is an integer.
Preferably, the bubble breaker includes a premixing device installed at an inner top end of the bubble breaker and connected to the water outlet pipe and the ozone gas pipe, the premixing device including:
a first housing connected to the bubble breaker tip, and both the first housing tip and the side end are connected to the bubble breaker inner wall;
the water inlet is formed in the top end of the first shell and is connected with the water outlet pipeline;
the air inlet is arranged at the side end of the first shell and is connected with the ozone gas pipeline;
the first motor is connected to the top end of the inner wall of the first shell;
the guide seat is fixedly connected to the center of the top end of the inner wall of the first shell;
one end of the fixture block is connected inside the guide seat in a sliding mode, the other end of the fixture block extends out of the guide seat, and a wedge-shaped surface is arranged at one end, extending out of the guide seat, of the fixture block;
the spring is arranged in the guide seat and is connected between the fixture block and the guide seat in an abutting mode;
one end of the connecting rod is fixedly connected to the outer side of the clamping block, and the other end of the connecting rod is connected with the output end of the first motor through a nut and a screw which are connected in a matched mode;
the fixing groove is connected to the bottom end of the first shell, a wedge-shaped opening is formed in the bottom end of the fixing groove, and the fixing groove is clamped with the clamping block;
the clamping ring is annularly arranged at the bottom end of the fixed groove;
a clamping groove is formed in one end, close to the bottom of the fixed groove, of the water outlet pipe, the water outlet pipe is clamped with the clamping ring, and one end, far away from the bottom of the fixed groove, of the water outlet pipe is communicated with the bubble breaking inner cavity of the bubble breaker;
the flexible block is arranged between the water outlet pipe and the fixing groove;
the end cover is in threaded connection with the outer circle of the water outlet pipe, the end cover is connected to the bottom end of the first shell through screws, and the water outlet pipe penetrates through the end cover.
Preferably, the premixing device further comprises an ozone flow regulating device installed inside the first housing, the ozone flow regulating device comprising:
the second shell is connected to the inner side end of the first shell, and the inlet end of the second shell is connected with the air inlet;
the two first baffle plates are fixedly connected to one end, close to the air inlet, of the inner wall of the second shell;
the two second baffles are rotatably connected to one end, far away from the air inlet, of the inner wall of the second shell, and the side ends of the second baffles are tensioned through springs and clamped with the first baffles;
the second motor is arranged on the outer side of the second shell;
the first gear is arranged outside the second shell and is connected with the output end of the second motor;
the second gear is arranged outside the second shell and is in meshed connection with the first gear;
the cam is mounted inside the second shell and is coaxially arranged with the second gear, and the cam is in abutting connection with the second baffle;
and the three air outlets are formed in one end, far away from the air inlet, of the second shell and are respectively communicated with each space formed by dividing the second baffle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the premixing device of the present invention;
FIG. 3 is a schematic structural view of an ozone flow regulating device according to the present invention;
fig. 4 is a schematic view of the adjustment state of the second baffle of the ozone flow regulator of the present invention.
In the figure: 1. a circulation pump; 2. a bubble breaker; 3. a static mixer; 4. a water outlet pipeline; 5. an ozone gas pipe; 6. a wastewater reactor; 7. a catalyst bed layer; 8. a premixing device; 81. a first housing; 82. a water inlet; 83. an air inlet; 84. a first motor; 85. a guide seat; 86. a clamping block; 87. a spring; 88. a connecting rod; 89. fixing grooves; 810. a snap ring; 811. a water outlet pipe; 812. a flexible block; 813. an end cap; 814. an ozone flow regulating device; 815. a second housing; 816. a first baffle plate; 817. a second baffle; 818. a second motor; 819. a first gear; 820. a second gear; 821. a cam; 822. and an air outlet.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention will be further described with reference to the accompanying drawings.
The device comprises a wastewater reactor 6, wherein a catalyst bed layer 7 is arranged in the wastewater reactor 6;
the circulating pump 1 is arranged outside the wastewater reactor 6, and the water inlet end of the circulating pump 1 is connected with the position, close to the top end, of the side wall of the wastewater reactor 6 through a pipeline;
a plurality of bubble breakers 2, a plurality of bubble breakers 2 are arranged in the waste water reactor 6 and are positioned below the catalyst bed layer 7, one inlet end of each bubble breaker 2 is connected with the water outlet end of the circulating pump 1 through a water outlet pipeline 4, and the other inlet end of each bubble breaker 2 is connected with an ozone gas pipeline 5;
and the static mixers 3 are uniformly connected with the outlet end of the bubble crusher 2.
The working principle and the beneficial effects of the invention are as follows:
the invention provides an ozone bubble breaking system, when in use, ozone is uniformly conveyed into a bubble breaker 2 through an ozone gas pipeline 5, wastewater in a wastewater reactor 6 is catalyzed by a catalyst bed layer 7 and then is mixed in the wastewater in a fluidized state, the wastewater is circulated from the top end to the bottom end of the wastewater reactor 6 under the action of a circulating pump 1, the wastewater is conveyed into the bubble breaker 2 close to the bottom end of the wastewater reactor 6, the wastewater and the ozone are fully mixed in the bubble breaker 2 and then undergo bubble breaking, a static mixer 3 is arranged according to the structural size and catalyst parameters, and a mixed solution of the wastewater and the ozone is conveyed into the wastewater outside the bubble breaker 2 through the static mixer 3 and is fully mixed with the wastewater.
The invention fully considers the density of the catalyst and the structure of the catalyst bed layer, reasonably arranges the static mixer 3 at the outlet end of the bubble breaker 2, reduces the distance between the bubble breaker 2 and the bottom end of the wastewater reactor 6, realizes the uniform distribution of bubbles in the ozone oxidation wastewater reaction system, and is beneficial to the fluidization of the catalyst.
In one embodiment, the circulation pump 1 is any one of a centrifugal pump and a dissolved air pump.
The working principle and the beneficial effects of the technical scheme are as follows:
the centrifugal pump works by utilizing the rotation of an impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are required to be filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion, is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of a volute-shaped pump shell; the suction inlet of the dissolved air pump can suck air by utilizing the negative pressure effect, and the liquid and the air are mixed and stirred by the pump impeller rotating at high speed without adopting an air compressor and an atmospheric ejector. The circulating pump 1 adopts either one of the two to realize the circulation of the wastewater, and after the wastewater passes through the catalyst bed layer 7, the catalyst is mixed into the wastewater and returns to the bottom end of the wastewater reactor 6 again through the circulating pump 1, so that the mixed wastewater containing the catalyst is fully mixed with the original wastewater.
In one embodiment, the bubble breakers 2 adopt a hydraulic cutting breaking mode, and the number of the bubble breakers 2 is set to be 2-10.
The working principle and the beneficial effects of the technical scheme are as follows:
In one embodiment, the static mixer 3 is arranged obliquely to the bubble breaker 2 and is angled at an angle of 60 ° to 120 °.
The working principle and the beneficial effects of the technical scheme are as follows:
In one embodiment, 4 to 6 static mixers 3 are provided for each bubble breaker 2, and the length of the connecting pipeline between the static mixer 3 and the bubble breaker 2 is 0.1 to 0.2 m.
The working principle and the beneficial effects of the technical scheme are as follows:
4 ~ 6 static mixer 3 evenly connect in the exit end of bubble breaker 2 is discharged ozone and waste water mixed liquid all around, improves the unit emission of mixed liquid, enlarges the discharge area, effectively improves the mixing uniformity of mixed liquid and waste water reactor 3 interior waste water, improves the ozone mixing rate, simultaneously static mixer 3 with 2 connecting tubes of bubble breaker are shorter, shorten transfer path, prevent that the bubble from producing again.
In one embodiment, the bubble breaker 2 is arranged vertically downward, and the distance between the bubble breaker 2 and the bottom of the wastewater reactor 6 is 0.3-1.0 m, and the distance between the bubble breaker 2 and the catalyst bed 7 is 0.5-0.8 m.
The working principle and the beneficial effects of the technical scheme are as follows:
In one embodiment, the number n of bubble breakers 2, static mixer 3 and bubble breaker 2 are at an angle
And a number m of static mixers 3 provided with a bubble breaker 2, calculated by:
wherein alpha is a constant and ranges from 0.8 to 1.2; beta is a constant, and the range of beta is 0.6-1.2; gamma is a constant in the range of 0.9 to 1.2; s1Is the cross-sectional area of the wastewater reactor 6 in m2；S2Is the cross-sectional area of the bottom of the single bubble breaker 2 and has the unit of m2；ρSThe density of the ozone catalyst is the density of the ozone catalyst,unit is kg/m3；ρLDensity of waste water in kg/m3(ii) a u is the wastewater ascending flow velocity in the wastewater reactor 6, and the unit is m/s; d is the particle size of the ozone catalyst and is expressed in m; s3Is the cross-sectional area of the static mixer 3 in m2(ii) a n is the number of the bubble breakers 2 and is an integer;
is the angle formed by the static mixer 3 and the bubble breaker 2, and the unit is degree; m is the number of static mixers 3 for one bubble breaker 2, and is an integer.
The working principle and the beneficial effects of the technical scheme are as follows:
the bubble breakers 2 are uniformly arranged in the wastewater reactor 6, so the number of the bubble breakers 2 is calculated according to the sectional area of the wastewater reactor 6 and the sectional area of the bottom of a single bubble breaker 2, the static mixer 3 is uniformly arranged at the outlet end of the bubble breaker 2, so the static mixer 3 is calculated according to the sectional area of the static mixer 3 and the sectional area of the bottom of the single bubble breaker 2, and the angle between the static mixer 3 and the bubble breaker 2 is related to the parameters such as the density and the particle size of the ozone catalyst. The ozone bubble crushing system abandons the design method in the prior art which is completely based on empirical parameters and formulas in relevant manual specifications, comprehensively considers the density of the catalyst and the influence of the structure of the catalyst bed layer on the fluidization state of the catalyst, and realizes the optimized design of the ozone bubble crushing system.
As shown in FIG. 2, in one embodiment, the bubble breaker 2 comprises a premixing device 8, the premixing device 8 is installed at the top end of the inside of the bubble breaker 2 and is connected with the water outlet pipe 4 and the ozone gas pipe 5, the premixing device 8 comprises:
a first housing 81, the first housing 81 being attached to the top end of the bubble breaker 2, and the top end and the side end of the first housing 81 being attached to the inner wall of the bubble breaker 2;
the water inlet 82 is arranged at the top end of the first shell 81, and the water inlet 82 is connected with the water outlet pipeline 4;
an air inlet 83, wherein the air inlet 83 is arranged at the side end of the first shell 81 and is connected with the ozone gas pipeline 5;
a first motor 84, wherein the first motor 84 is connected to the top end of the inner wall of the first shell 81;
the guide seat 85 is fixedly connected to the center of the top end of the inner wall of the first shell 81;
one end of the fixture block 86 is slidably connected to the inside of the guide seat 85, the other end of the fixture block 86 extends out of the guide seat 85, and a wedge-shaped surface is arranged at one end of the fixture block 86 extending out of the guide seat 85;
the spring 87 is installed inside the guide seat 85, and the spring 87 is in interference connection between the fixture block 86 and the guide seat 85;
one end of the connecting rod 88 is fixedly connected to the outer side of the clamping block 86, and the other end of the connecting rod 88 is connected with the output end of the first motor 84 through a nut and a screw which are connected in a matched manner;
the fixing groove 89 is connected to the bottom end of the first shell 81, a wedge-shaped opening is formed in the bottom end of the fixing groove 89, and the fixing groove 89 is clamped with the fixture block 86;
the snap ring 810 is annularly arranged at the groove bottom end of the fixing groove 89;
a clamping groove is formed in one end, close to the groove bottom of the fixing groove 89, of the water outlet pipe 811, the water outlet pipe 811 is clamped with the clamping ring 810, and one end, far away from the groove bottom of the fixing groove 89, of the water outlet pipe 811 is communicated with the inner cavity of the bubble breaker 2;
a flexible block 812, the flexible block 812 being installed between the outlet pipe 811 and the fixing groove 89;
and the end cover 813 is in threaded connection with the outer circle of the water outlet pipe 811, the end cover 813 is connected to the bottom end of the first shell 81 through screws, and the water outlet pipe 811 is arranged through the end cover 813.
The working principle and the beneficial effects of the technical scheme are as follows:
ozone is entered into the first housing 81 through the air inlet 83, circulating wastewater is entered into the first housing 81 through the water inlet 82, the ozone and the circulating wastewater are mixed inside the first housing 81, the latch 86 is tightly engaged with the fixing groove 89 by the spring 87, and when the bubble breaker 2 is started, the first motor 84 is started to drive the guide holder 85 to move away from the fixing groove 89, thereby driving the fixture block 86 to be disconnected from the fixing groove 89, the mixed liquid flows out through the water outlet pipe 811 to carry out next-step bubble breaking, the snap ring 810 ensures that the installation position of the water outlet pipe 811 is accurate, meanwhile, the mixed liquid is prevented from flowing out, the flexible block 812 is sleeved outside the water outlet pipe 811, the water outlet pipe 811 is compressed and buffered in the water outlet process, so that the phenomenon that the thread on the outer side of the water outlet pipe 811 loses efficacy and falls off due to overlarge water pressure is prevented.
The premixing device 8 realizes premixing of ozone and circulating wastewater before bubble breaking, ensures that the ozone is fully fused in the circulating wastewater, prevents the ozone from generating large bubbles in the wastewater to be gathered, prevents partial large bubbles from being directly discharged without breaking, and effectively improves the bubble breaking effect.
As shown in fig. 3 and 4, in an embodiment, the premixing device 8 further includes an ozone flow regulating device 814, the ozone flow regulating device 814 is installed inside the first housing 81, and the ozone flow regulating device 814 includes:
a second housing 815, wherein the second housing 815 is connected to the inner side end of the first housing 81, and the inlet end of the second housing 815 is connected to the air inlet 83;
the two first baffles 816 are fixedly connected to one end of the inner wall of the second shell 815 close to the air inlet 83;
two second baffle plates 817 are rotatably connected to one end of the inner wall of the second shell 815, which is far away from the air inlet 83, and the side ends of the second baffle plates 817 are tensioned by springs and clamped with the first baffle plates 816;
a second motor 818, wherein the second motor 818 is installed outside the second housing 815;
a first gear 819, where the first gear 819 is mounted outside the second housing 815 and connected with the output end of the second motor 818;
a second gear 820, wherein the second gear 820 is installed outside the second housing 815 and is in meshing connection with the first gear 819;
a cam 821, the cam 821 being installed inside the second housing 815 and being coaxially disposed with the second gear 820, the cam 821 being in interference connection with the second stopper 817;
and the three air outlets 822 are formed in one end of the second casing 815 far away from the air inlet 83, and the three air outlets 822 are respectively communicated with each space formed by dividing the second baffle 817.
The working principle and the beneficial effects of the technical scheme are as follows:
ozone enters the second housing 815 through the air inlet 83, is transmitted through a gap between the two first baffles 816, the second motor 818 is started, the second motor 818 drives the first gear 819 to rotate, so that the second gear 820 is driven to rotate, the cam 821 is coaxially arranged with the second gear 820, therefore, the cam 821 and the second gear 819 rotate synchronously, the cam 821 is in contact with the second baffle 817 and drives the second baffle 817 to rotate, and relative angle and opening and closing adjustment between the second baffle 817 and the first baffle 816 are achieved, so that the flow direction of the ozone is changed.
The ozone flow adjusting device 814 adjusts the angle of the second baffle 817 to adjust the flow direction of ozone, prevent ozone from gathering at the outlet, and effectively disperse ozone into wastewater, meanwhile, because the ozone gas pipeline 5 is divided into a plurality of branches which are arranged in parallel, the branch at the rear end and the front end have pressure difference and flow difference, and the ozone flow adjusting device 814 is adjusted differently to achieve uniform mixing of ozone, and ensure consistent bubble crushing effect of each bubble crusher 2.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. An ozone bubble breakup system, comprising:
the device comprises a waste water reactor (6), wherein a catalyst bed layer (7) is arranged in the waste water reactor (6);
the circulating pump (1), the circulating pump (1) is arranged outside the wastewater reactor (6), and the water inlet end of the circulating pump (1) is connected with the position, close to the top end, of the side wall of the wastewater reactor (6) through a pipeline;
a plurality of bubble breakers (2), a plurality of bubble breakers (2) are arranged in the wastewater reactor (6) and are positioned below the catalyst bed layer (7), one inlet end of each bubble breaker (2) is connected with the water outlet end of the circulating pump (1) through a water outlet pipeline (4), and the other inlet end of each bubble breaker (2) is connected with an ozone gas pipeline (5);
the static mixers (3) are uniformly connected to the outlet end of the bubble crusher (2).
2. The ozone bubble breaking system according to claim 1, wherein the circulating pump (1) is any one of a centrifugal pump and a dissolved air pump.
3. The ozone bubble breaking system according to claim 1, wherein the bubble breakers (2) adopt a hydraulic cutting breaking mode, and the number of the bubble breakers (2) is set to be 2-10.
4. An ozone bubble breaking system according to claim 1, characterized in that the static mixer (3) is arranged obliquely to the bubble breaker (2) and at an angle of 60 ° to 120 °.
5. An ozone gas bubble breaking system according to claim 1, wherein 4-6 static mixers (3) are provided for each bubble breaker (2), and the length of the connecting pipeline between the static mixer (3) and the bubble breaker (2) is 0.1-0.2 m.
6. An ozone gas bubble breaking system according to claim 1, wherein said bubble breaker (2) is arranged vertically downward, and the distance between said bubble breaker (2) and the bottom of said wastewater reactor (6) is 0.3 to 1.0m, and the distance between said bubble breaker (2) and said catalyst bed (7) is set to 0.5 to 0.8 m.
7. An ozone bubble breakup system according to claim 1, characterized in that the number n of bubble breakers (2), the angle of static mixer (3) to bubble breaker (2) is such that
And a bubble breaker (2) and the number m of static mixers (3) are calculated by the following method:
wherein alpha is a constant and ranges from 0.8 to 1.2; beta is a constant, and the range of beta is 0.6-1.2; gamma is a constant in the range of 0.9 to 1.2; s1Is the cross-sectional area of the wastewater reactor (6) in m2；S2Is a singleThe cross section area of the bottom of the bubble breaker (2) is m2；ρSIs the ozone catalyst density in kg/m3；ρLDensity of waste water in kg/m3(ii) a u is the wastewater ascending flow speed in the wastewater reactor (6) and the unit is m/s; d is the particle size of the ozone catalyst and is expressed in m; s3Is the cross-sectional area of the static mixer (3) in m2(ii) a n is the number of the bubble breakers (2) and is an integer;
the angle formed by the static mixer (3) and the bubble breaker (2) is measured in degrees; m is the number of static mixers (3) prepared by one bubble breaker (2), and is an integer.
8. An ozone bubble breaking system according to claim 1, wherein the bubble breaker (2) comprises a premixing device (8), said premixing device (8) being mounted at the top inside the bubble breaker (2) and being connected to the water outlet conduit (4) and the ozone gas conduit (5), said premixing device (8) comprising:
a first housing (81), wherein the first housing (81) is connected to the top end of the bubble breaker (2), and the top end and the side end of the first housing (81) are connected with the inner wall of the bubble breaker (2);
the water inlet (82) is formed in the top end of the first shell (81), and the water inlet (82) is connected with the water outlet pipeline (4);
an air inlet (83), wherein the air inlet (83) is arranged at the side end of the first shell (81) and is connected with the ozone gas pipeline (5);
the first motor (84), the first motor (84) is connected to the top end of the inner wall of the first shell (81);
the guide seat (85) is fixedly connected to the center of the top end of the inner wall of the first shell (81);
one end of the clamping block (86) is slidably connected inside the guide seat (85), the other end of the clamping block (86) extends out of the guide seat (85), and a wedge-shaped surface is arranged at one end, extending out of the guide seat (85), of the clamping block (86);
the spring (87) is installed inside the guide seat (85), and is in interference connection between the fixture block (86) and the guide seat (85);
one end of the connecting rod (88) is fixedly connected to the outer side of the clamping block (86), and the other end of the connecting rod (88) is connected with the output end of the first motor (84) through a nut and a screw which are connected in a matched mode;
the fixing groove (89) is connected to the bottom end of the first shell (81), a wedge-shaped opening is formed in the bottom end of the fixing groove (89), and the fixing groove (89) is clamped with the clamping block (86);
the clamping ring (810) is annularly arranged at the groove bottom end of the fixing groove (89);
a clamping groove is formed in one end, close to the groove bottom of the fixing groove (89), of the water outlet pipe (811), the water outlet pipe (811) is clamped with the clamping ring (810), and one end, far away from the groove bottom of the fixing groove (89), of the water outlet pipe (811) is communicated with the inner cavity of the bubble breaker (2);
a flexible block (812), the flexible block (812) being installed between the water outlet pipe (811) and a fixing groove (89);
the end cover (813), end cover (813) with outlet pipe (811) excircle threaded connection, and end cover (813) pass through the screw connection in first casing (81) bottom, outlet pipe (811) wear to establish the setting of end cover (813).
9. An ozone bubble breaking system according to claim 8, wherein said premixing device (8) further comprises an ozone flow regulating device (814), said ozone flow regulating device (814) being mounted inside said first casing (81), said ozone flow regulating device (814) comprising:
a second housing (815), wherein the second housing (815) is connected to the inner side end of the first housing (81), and the inlet end of the second housing (815) is connected to the air inlet (83);
the two first baffles (816) are fixedly connected to one end, close to the air inlet (83), of the inner wall of the second shell (815);
the two second baffle plates (817) are rotatably connected to one end, far away from the air inlet (83), of the inner wall of the second shell (815), and the side end of each second baffle plate (817) is tensioned through a spring and clamped with the corresponding first baffle plate (816);
a second motor (818), the second motor (818) being mounted outside the second housing (815);
a first gear (819), the first gear (819) being mounted outside the second housing (815) and connected to an output of the second motor (818);
a second gear (820), the second gear (820) being mounted outside the second housing (815) and being in meshing connection with the first gear (819);
a cam (821), wherein the cam (821) is installed inside the second shell (815) and is coaxially arranged with the second gear (820), and the cam (821) is in interference connection with the second baffle (817);
and the three air outlets (822) are formed in one end, far away from the air inlet (83), of the second shell (815), and the three air outlets (822) are respectively communicated with each space formed by dividing the second baffle (817).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011070739.1A CN112194238B (en) | 2020-10-09 | 2020-10-09 | Broken system of ozone bubble |
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| CN202011070739.1A CN112194238B (en) | 2020-10-09 | 2020-10-09 | Broken system of ozone bubble |
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| CN112194238B CN112194238B (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800712A (en) * | 2021-09-06 | 2021-12-17 | 江苏南大华兴环保科技股份公司 | High-salt nitrogen-containing organic wastewater recycling and safe discharging integrated equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689481A (en) * | 2018-08-14 | 2018-10-23 | 嘉诚环保工程有限公司 | Ozone microbubble catalytic oxidizing equipment and its application |
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2020
- 2020-10-09 CN CN202011070739.1A patent/CN112194238B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689481A (en) * | 2018-08-14 | 2018-10-23 | 嘉诚环保工程有限公司 | Ozone microbubble catalytic oxidizing equipment and its application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800712A (en) * | 2021-09-06 | 2021-12-17 | 江苏南大华兴环保科技股份公司 | High-salt nitrogen-containing organic wastewater recycling and safe discharging integrated equipment |
| CN113800712B (en) * | 2021-09-06 | 2022-07-26 | 江苏南大华兴环保科技股份公司 | High-salt nitrogen-containing organic wastewater recycling and safe discharging integrated equipment |
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| CN112194238B (en) | 2021-08-13 |
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Denomination of invention: An ozone bubble breaking system Effective date of registration: 20230227 Granted publication date: 20210813 Pledgee: Bank of Jiangsu Co.,Ltd. Yancheng branch Pledgor: JIANGSU NANDA HUAXING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023320000109 |
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