CN108569745B - Blue algae toxin processing device and blue algae processing device - Google Patents
Blue algae toxin processing device and blue algae processing device Download PDFInfo
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- CN108569745B CN108569745B CN201810672792.5A CN201810672792A CN108569745B CN 108569745 B CN108569745 B CN 108569745B CN 201810672792 A CN201810672792 A CN 201810672792A CN 108569745 B CN108569745 B CN 108569745B
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- 241000195493 Cryptophyta Species 0.000 title claims abstract description 111
- 239000003053 toxin Substances 0.000 title claims abstract description 83
- 231100000765 toxin Toxicity 0.000 title claims abstract description 83
- 238000012545 processing Methods 0.000 title description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims abstract description 77
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 63
- 241000192700 Cyanobacteria Species 0.000 claims abstract description 56
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 44
- 239000001301 oxygen Substances 0.000 claims abstract description 44
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims description 180
- 238000005507 spraying Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 14
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- 230000003247 decreasing effect Effects 0.000 claims description 5
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- 230000008859 change Effects 0.000 description 10
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- 230000036541 health Effects 0.000 description 8
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- SRUWWOSWHXIIIA-UKPGNTDSSA-N Cyanoginosin Chemical compound N1C(=O)[C@H](CCCN=C(N)N)NC(=O)[C@@H](C)[C@H](C(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](C)NC(=O)C(=C)N(C)C(=O)CC[C@H](C(O)=O)N(C)C(=O)[C@@H](C)[C@@H]1\C=C\C(\C)=C\[C@H](C)[C@@H](O)CC1=CC=CC=C1 SRUWWOSWHXIIIA-UKPGNTDSSA-N 0.000 description 7
- 108010067094 microcystin Proteins 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
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Classifications
-
- 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
- C02F1/325—Irradiation devices or lamp constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/2366—Parts; Accessories
- B01F23/2368—Mixing receptacles, e.g. tanks, vessels or reactors, being completely closed, e.g. hermetically closed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
- B01F23/237613—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- 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
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to a cyanobacteria toxin treatment device which comprises a reaction chamber and an ozone generator, wherein a water inlet pipe and a water outlet pipe which are communicated with the reaction chamber are arranged on the reaction chamber, an ultraviolet lamp is arranged in the reaction chamber, and an ozone inlet pipe for conveying ozone into the reaction chamber and an oxygen inlet pipe for conveying oxygen into the ozone generator are arranged on the ozone generator. The blue algae toxin treatment device treats blue algae toxin by ultraviolet lamp and ozone, and has the advantages of low treatment cost, low energy consumption, large treatment water quantity, small secondary pollution, strong applicability, stable and reliable treatment effect, simple operation and maintenance and mature process. The invention also relates to a blue algae treatment device, which solves the technical problem of poor blue algae treatment effect in the prior art.
Description
Technical Field
The invention relates to the technical field of blue algae treatment, in particular to a blue algae toxin treatment device and a blue algae treatment device.
Background
At present, water eutrophication gradually becomes a serious environmental problem affecting the life of society, and can cause water quality deterioration and destroy ecological environment. The blue algae bloom is a typical characteristic of an eutrophic water body, when the blue algae is treated by the existing domestic and foreign algae removal technology, the cell wall of the blue algae bloom is generally broken, when the blue algae bloom is in contact with toxin, the toxin cannot be treated, the cell wall of the blue algae bloom can cause toxin (such as microcystin) in the blue algae bloom to flow out, the toxin is dissolved in water to cause secondary pollution of the water body, hidden danger is brought to human health, and meanwhile, after the toxin in the blue algae bloom is released, the toxin is dissolved in the water to decompose and decompose quickly, and the decomposition and proliferation are quickened, so that cancerogenic substances are generated, and the water body emits foreign odor to pollute the environment.
For example, in the ultrasonic dispersion device, blue algae is treated by breaking up the cell walls of blue algae cells by ultrasonic waves, so that the cell walls of the blue algae cells become empty shells, toxic substances are dissociated in water, no effective measures are taken to eliminate toxins, secondary pollution of water is caused, and hidden danger is brought to human health. In addition, the blue algae treatment effect of the existing blue algae treatment device is poor.
Disclosure of Invention
The invention aims to provide a cyanobacteria toxin treatment device, which solves the technical problem that cyanobacteria toxin cannot be eliminated in the prior art.
The technical problems of the invention are mainly solved by the following technical proposal: the blue algae toxin treatment device comprises a reaction chamber and an ozone generator, wherein a water inlet pipe and a water outlet pipe which are communicated with the reaction chamber are arranged on the reaction chamber, an ultraviolet lamp is arranged in the reaction chamber, and an ozone inlet pipe for conveying ozone into the reaction chamber and an oxygen inlet pipe for conveying oxygen into the ozone generator are arranged on the ozone generator.
In practical application, the liquid treated by the existing blue algae treatment device is introduced into the reaction chamber through the water inlet pipe, then irradiated by the ultraviolet lamp, so that endotoxin dissolved in the liquid is eliminated, meanwhile, the ozone generator converts oxygen into ozone, and the ozone is introduced into the reaction chamber to form micro bubbles, namely nano bubbles, so that negative pressure is generated and mixed with the liquid, the effect of treating blue algae toxin is achieved, the toxin is prevented from being dissolved in water, secondary pollution to water is avoided, and hidden danger is brought to human health. In addition, the blue algae toxin treatment device treats blue algae toxin by ultraviolet lamp and ozone, and has the advantages of low treatment cost, low energy consumption, large treatment water quantity, small secondary pollution, strong applicability, stable and reliable treatment effect, simple operation and maintenance and mature process.
Wherein, the interface of ozone ingress pipe and reaction chamber is equipped with two or more, and ozone ingress pipe runs through the reaction chamber, and stretches into the reaction chamber. The ultraviolet lamp can be a built-in battery or a led lamp externally connected with a power supply, and a transparent waterproof sleeve can be covered outside the ultraviolet lamp. The arrangement of the transparent waterproof sleeve can improve the durability of the ultraviolet lamp tube when the ultraviolet lamp tube is directly used underwater and the service life of the blue algae toxin treatment device.
Preferably, the reaction chamber is cylindrical, and comprises a left cylinder body and a right end cover, wherein the side surface of the left cylinder body is provided with an opening, and the right end cover and the left cylinder body form a closed container when being covered on the left cylinder body.
Wherein the left barrel and the right end cap are detachably connected, including but not limited to bolted connection. The reaction chamber is cylindrical, so that the material is simple in structure and convenient to process, the reaction chamber is cylindrical, the capability of passing water in unit time is larger, and the pipe wall of the reaction chamber is uniformly stressed and is not easy to deform.
Preferably, the ultraviolet lamp comprises an ultraviolet bulb and an ultraviolet tube, the ultraviolet bulb is arranged on the inner wall of the reaction chamber, a fixing support rod is convexly arranged on the right end cover, and the ultraviolet tube is arranged on the fixing support rod.
In addition, the fixed support rod and the right end cover are coaxially arranged. Wherein the ultraviolet lamp is a low-pressure lamp, and the effect of treating cyanobacteria toxin is best when the ultraviolet exposure is 1000mJ/cm 2.
The ultraviolet lamp includes ultraviolet bulb and ultraviolet tube, and the ultraviolet bulb is equipped with two or more and becomes the interval setting each other, and evenly distributed on the inner wall of reaction chamber, and the axis of ultraviolet bulb becomes perpendicular setting with the reaction chamber, and ultraviolet tube is equipped with two or more and becomes the interval setting each other, and evenly distributed on fixed branch, and the axis of ultraviolet tube and the coaxial setting of reaction chamber for the liquid through the reaction chamber can both obtain abundant processing, avoids omitting, causes water secondary pollution, makes it bring hidden danger for human health.
Preferably, the oxygen inlet pipe comprises a first oxygen inlet pipe communicated with the outside of the reaction chamber and a second oxygen inlet pipe communicated with the reaction chamber, the second oxygen inlet pipe penetrates through the side wall of the left cylinder body and is close to the right end cover, the ozone inlet pipe penetrates through the left end wall of the left cylinder body and is opposite to the right end cover, and the ozone inlet pipe is positioned below the second oxygen inlet pipe.
In practical application, the ozone is changed into oxygen after reaction in the reaction chamber, and then returned to the ozone generator through the second oxygen inlet pipe, and then the ozone generator converts the oxygen into ozone, and the ozone is continuously sent into the reaction chamber through the ozone inlet pipe to treat cyanobacteria toxin. The second oxygen ingress pipe runs through the side wall of the left barrel and is close to the right end cover, the ozone ingress pipe runs through the left end wall of the left barrel and is opposite to the right end cover, and the ozone ingress pipe is positioned below the second oxygen ingress pipe, so that the distance difference and the height difference between the second oxygen ingress pipe and the ozone ingress pipe and between the reaction chamber and the interface are ensured, the backflow of oxygen is facilitated, and ozone is prevented from directly flowing back into the ozone generator.
In addition, the water inlet pipe is provided with an electromagnetic valve for regulating and controlling the flow rate of liquid in the water inlet pipe, and the water outlet pipe is provided with a water discharge valve. The water inlet pipe is provided with a pipeline velocimeter for monitoring the flow rate of the liquid in the water inlet pipe.
The blue algae toxin treatment device can be matched with other blue algae treatment equipment for use, but the liquid flow rate after being treated by the other blue algae treatment equipment is larger, the flow rate is faster, and the blue algae toxin treatment device needs a slower flow rate, so that the sufficient irradiation time of ultraviolet rays is ensured, and the toxin can be completely eliminated, and the blue algae toxin treatment device is used for regulating and controlling the flow rate and the flow rate of the liquid in the water inlet pipe by arranging the electromagnetic valve, so that the speed reduction effect is achieved, and the treatment effect is better. The water discharge valve on the water outlet pipe can be controlled to switch so as to adapt to the actual liquid treatment process, for example, the water outlet pipe is closed to lengthen the treatment time of the ultraviolet blue algae toxin, or the water outlet pipe is opened to accelerate the treatment of the ultraviolet blue algae toxin. The setting of pipeline velocimeter for the velocity of flow of liquid in the real-time supervision inlet tube to convert it into the solenoid valve on the signal of telecommunication feed back locates the inlet tube, by the velocity of flow of solenoid valve automatically regulated inlet tube internal liquid, avoid the inlet tube internal liquid velocity of flow too fast, make the abundant irradiation time of ultraviolet ray not enough, the treatment effect is not good.
The invention also aims to provide a blue algae treatment device to solve the technical problem of poor blue algae treatment effect in the prior art.
The technical problems of the invention are mainly solved by the following technical proposal: the blue algae treatment device comprises a pressurized turbulent flow mixing device and the blue algae toxin treatment device, wherein the pressurized turbulent flow mixing device comprises a column casing with two closed ends, a pressurizing pump, a liquid suction pipe and a liquid outlet pipe, the liquid suction pipe and the liquid outlet pipe are arranged on the pressurizing pump, a hollow pipe communicated with the inner cavity of the column casing is arranged in the column casing, a nozzle capable of spraying the inner surface of the column casing is arranged on the hollow pipe, one end of the column casing is connected with the liquid outlet pipe, an output pipe is arranged at the other end of the column casing, and the output pipe is connected with the water inlet pipe through a connecting pipe.
The invention connects the pressurized turbulent flow mixing device and the cyanobacteria toxin treatment device through the connecting pipe for cooperation, firstly adopts turbulent flow to treat cyanobacteria, and then effectively treats cyanobacteria toxin, so that the cyanobacteria treatment effect is better, and the treatment effect is stable and reliable.
The nozzle can be a through hole or a pipe orifice protruding from the hollow pipe. The hollow tube is communicated with the inner cavity of the column casing, namely, an opening is arranged on the hollow tube, and liquid in the column casing can enter the hollow tube through the opening. The openings may be through holes or open at the ends of the hollow tube.
When the liquid is actually treated, the liquid to be treated enters a pressurizing pump through a liquid suction pipe to be pressurized, and then is sent into a column casing through a liquid outlet pipe; the pressurized liquid flows in the cylinder, and is sprayed to the inner surface of the cylinder through the hollow pipe and the nozzle to form turbulence. The pressurized liquid forms turbulence, the internal impact force is smaller than the impact force formed by spraying, when the treated liquid is sprayed to the inner surface of the column casing through the nozzle to generate a certain collision, the treated liquid is dispersed and converged to form new turbulence, and the new turbulence is continuously formed by spraying to the inner surface of the column casing through the hollow pipe through the nozzle, and the circulation flow is repeated, so that a stable and continuous impact force is generated to the treated liquid, the population cells can be separated to a certain extent, and the pressurized turbulence mixing device is adopted to stably and continuously change the population cells such as blue algae into dispersed single cells through turbulence, thereby effectively controlling the water quality disasters of the population bursts such as blue algae bloom. The impact force generated by turbulent flow is stable and continuous, the impact on the cell wall of the blue-green algae cell is small and continuous, the integrity of the cell wall of the blue-green algae cell can be ensured to a certain extent, and the outflow of toxin in the blue-green algae cell is avoided.
In addition, the microcystis has a cell structure of a population surrounded by a polysaccharide mucosa, and has a gas vesicle inside. Therefore, compared with other algae, the microcystis has better capability of avoiding animal predation of plankton, photosynthesis and carbonic acid absorption, and the device can destroy polysaccharide mucous membrane, so that the microcystis can be eaten by plankton such as daphnia, and meanwhile, gas vesicles which are in charge of surface layer movement are destroyed, thus avoiding surface layer floating and bottom layer movement of the microcystis, and further eliminating photosynthesis and carbon dioxide absorption functions of surface layer floating. Eliminating the nutrient salt absorbing capacity of the bottom layer after the bottom layer moves, and further eliminating the nutrient salt absorbing capacity based on the horizontal moving capacity of the blowing stream after the surface layer moves.
Preferably, the water inlet pipe is located below the output pipe, two or more than two cyanobacteria toxin treatment devices are arranged, the adjacent cyanobacteria toxin treatment devices are connected with the water outlet pipe through the water inlet pipe, and the cyanobacteria toxin treatment devices are arranged at equal heights.
The water inlet pipe is positioned below the output pipe, namely the pressurized turbulent flow mixing device and the cyanobacteria toxin treatment device have a certain height difference, and the pressurized turbulent flow mixing device is higher than the cyanobacteria toxin treatment device, so that the cyanobacteria treatment effect is better. And then, through a plurality of equal-height cyanobacteria toxin treatment devices, the cyanobacteria toxin can be completely removed, omission is avoided, secondary pollution to the water body is caused, and hidden danger is brought to human health.
Preferably, the column casing is divided into a left cavity and a right cavity by a partition plate, the left cavity is connected with the liquid outlet pipe, the right cavity is communicated with the output pipe, one end of the hollow pipe is provided with an opening, the other end of the hollow pipe is provided with a closed opening, the hollow pipe penetrates through the partition plate, the opening end of the hollow pipe is communicated with the left cavity, a discharge pipe is arranged below the left cavity, a discharge pipe valve is arranged on the discharge pipe, and the output pipe is provided with an output pipe valve.
At this time, the left chamber is used as a first reaction chamber, the right chamber is used as a second reaction chamber, and the column casing is divided into two communicated reaction chambers, so that not only are the population cells in the treated liquid fully and comprehensively dispersed, but also the dispersing effect can be enhanced. One end of the hollow tube is provided with an opening, the other end of the hollow tube is provided with a closed opening, the hollow tube penetrates through the partition plate, the opening end of the hollow tube is communicated with the left cavity, the closed end of the hollow tube is positioned in the right cavity, liquid in the left cavity enters the hollow tube through the opening end of the hollow tube, and as the other end of the hollow tube is provided with the closed opening, liquid in the hollow tube can only be sprayed on the inner surface of the column casing through the nozzle, so that the spraying force is increased, and the scattering effect can be enhanced.
The left cavity is provided with a discharge pipe below, and due to the action of centrifugal force, some solids with certain weight are separated from turbulent flow and discharged from the discharge pipe, so that the solids in the processed liquid can be primarily filtered for primarily discharging waste, and a certain purifying effect is achieved. Wherein the discharge tube is normally closed. The output pipe valve and the discharge pipe valve can be controlled to switch so as to adapt to the actual liquid treatment process. The output pipe can be also provided with a pressure regulating valve so as to control the flow rate of the liquid flowing into the cyanobacteria toxin treatment device.
Preferably, the nozzle is arranged in the right cavity, the nozzle is provided with two or more than two nozzles, the nozzles are uniformly distributed on the outer wall of the hollow pipe, the nozzle housing is provided with a mixing pipeline capable of spraying to the inner surface of the column casing, the mixing pipeline is provided with a pipe penetrating through the outer wall of the column casing, one end of the pipe is communicated with the mixing pipeline, and the other end of the pipe is communicated to the outer side of the column casing.
In practical application, air outside the column casing can enter the column casing through the inlet pipe due to pressure difference between the inside and the outside of the column casing. The liquid to be treated is sprayed to the inner surface of the cylinder through the nozzle, and the liquid to be treated stays in the mixing pipeline for a short time because the mixing pipeline is covered outside the nozzle, and air is sent into the mixing pipeline through the inlet pipe at the moment and is uniformly mixed with the liquid to be treated instantly under the action of pressure. At the same time, air enters the mixing pipeline to form bubbles and negative pressure naturally forms, so that the pressure in the column casing is changed. Therefore, the pressure value in the column casing can be changed by regulating and controlling the introduction of air, so that the pressurizing or depressurizing effect is caused, and the treatment effect of blue algae is promoted. The electromagnetic valve can be arranged on the inlet pipe for regulating the air introduction, or measures such as changing the flow rate of the air, changing the inner diameter of the inlet pipe, changing the pressure value in the storage chamber, or changing the pressure value of the pressurizing pump can be started from regulating the size of bubbles formed by the air in the storage chamber entering the mixing pipeline. Experiments show that the blue algae treatment effect is best when the pressure reduction effect is caused by the introduction of the regulated air. This is because blue algae itself is liable to break in the negative pressure.
The two or more nozzles are arranged, so that turbulence formed by spraying the nozzles is more chaotic, and the treatment effect of the invention is promoted; the nozzle is arranged in the right cavity, the mixing pipeline is covered outside the nozzle, and then turbulent flow is formed in the right cavity, and the right cavity can regulate and control the pressure change of the right cavity by regulating and controlling the air introduction through the inlet pipe arranged on the mixing pipeline, so that the pressurizing or depressurizing effect is caused, and the treatment effect of the invention is promoted.
The number of the nozzles is at least 8, and the nozzles are uniformly distributed on the outer wall of the hollow tube, so that the nozzles in the right chamber are ensured to spray towards the inner surface of the column casing along the four directions of up, down, left and right, so that the turbulence in the left chamber and the right chamber is more chaotic and fills the column casing, and the invention can more fully and comprehensively scatter the population cells in the treated liquid.
In addition, the length of the left chamber can be set smaller than that of the right chamber, and the left chamber is used as the first reaction chamber for initially filtering the solid in the processed liquid and can be mixed with the gas introduced into the gas storage chamber. The right chamber serves as a second reaction chamber, and continuously guides water flow through 16 nozzles to form turbulence, so that the population cells in the treated liquid are fully and comprehensively dispersed.
Preferably, the device further comprises a left end cover, the left end cover is arranged at the left end of the left cavity and enables the left cavity to be arranged in a closed mode, at least two guide plates which are arranged at intervals on the inner wall of the column casing are arranged on the left end cover in a protruding mode, the guide plates are distributed in a circumferential array mode by taking the axis of the left end cover as a matrix line, one guide plate is arranged below the liquid outlet pipe and is inclined towards the liquid outlet pipe, one end of each guide plate is fixedly connected with the left end cover, and the other end of each guide plate abuts against the partition plate.
Wherein the left end cap is detachably connected to the left chamber, including but not limited to a bolted connection. The hollow pipe in the left cavity can be provided with a nozzle or not provided with a nozzle, and under the condition that the nozzle is not provided, liquid to be treated in the left cavity can be drained through the guide plate. The inclination angle of the deflector, namely the angle formed by the deflector and the axis of the liquid outlet pipe is between 10 degrees and 75 degrees, wherein the effect of 30 degrees to 45 degrees is better.
In practical application, the liquid to be treated sucked from the booster pump is led in from the liquid outlet pipe, the liquid to be treated is firstly beaten on the guide plate arranged at the pipe orifice of the liquid outlet pipe, then flows along the inner wall of the column casing, is beaten on the next guide plate, continuously flows along the inner wall of the column casing, and the liquid to be treated circularly flows to enable the pressure to continuously change, and then enters the right chamber through the hollow pipe. The deflector is arranged below the liquid outlet pipe and is obliquely arranged towards the liquid outlet pipe, namely negative pressure is formed at the pipe orifice of the liquid outlet pipe, which is beneficial to the flow of the treated liquid and the rupture of blue algae cells. The flow guide plates are distributed in a circumferential array by taking the axis of the left end cover as an array line, so that the inclination angle of the flow guide plates is changed continuously, the pressure value in the column casing is changed, the pressurizing or depressurizing effect is caused, the collision point of blue algae is increased, and the blue algae cells are broken, so that the treatment effect of the invention is promoted.
One end of the guide plate is fixedly connected with the left end cover, and the other end of the guide plate is propped against the partition plate, so that the flow path of the liquid to be treated is reduced, the liquid to be treated can only flow along the inner wall of the column casing, namely continuous pressure change is generated through the guide of the guide plate, and the treatment effect of the invention is promoted.
Preferably, the device further comprises a vent pipe and an air storage chamber, wherein the vent pipe penetrates through the outer wall of the left cavity, one end of the vent pipe is close to the pipe orifice of the liquid outlet pipe, and the other end of the vent pipe is connected with the air storage chamber.
The air in the air storage chamber enters the left cavity through the vent pipe to form negative pressure, so that blue algae cells are easy to break, one end of the vent pipe is close to the pipe orifice of the liquid outlet pipe, namely, the air led in by the vent pipe and the liquid led in by the liquid outlet pipe are relatively close in distance and can be led in the guide plate, so that the air and the liquid to be treated are mixed, the dissolved oxygen value of the liquid to be treated is improved, the change of the pressure value is increased, and the liquid treatment of the invention is facilitated.
Preferably, the mixing pipe is arranged on the outer wall of the hollow pipe in a protruding manner, and the mixing pipe and the nozzle are arranged coaxially.
The mixing pipeline is arranged on the outer wall of the hollow pipe in a protruding mode, the structure is simple, the manufacturing is convenient, the reaction time of liquid or gas in the storage chamber and the liquid to be processed can be prolonged, and the processing effect is better. The mixing pipe and the nozzle are coaxially arranged, namely, the liquid can be uniformly filled in the mixing pipe when being sprayed out from the nozzle, so that the liquid or gas introduced by the inlet pipe can uniformly react with the liquid to be treated, and the treatment effect is better. The height of the mixing conduit may be greater than the height of the nozzle so that the mixing conduit is filled while turbulence is being sprayed through the nozzle toward the inner surface of the barrel. The nozzle can be arranged on the outer wall of the hollow pipe in a protruding mode, and can be flush with the outer wall of the hollow pipe.
Preferably, the nozzles are convexly arranged on the outer wall of the hollow tube, the inner diameters of the nozzles are gradually decreased along the axis of the nozzles, and the nozzles are uniformly distributed on the outer wall of the hollow tube.
The nozzle is arranged on the outer wall of the hollow tube in a protruding mode, the inner diameter of the nozzle is gradually decreased along the axis of the nozzle, namely the section of the nozzle can be in a protruding semicircular cone shape or a reverse T shape. The inner diameter of the nozzle is gradually reduced along the spraying direction, so that the circulation channel in the nozzle is gradually narrowed, the treated liquid can be given a certain impact force, the spraying force is higher, and the formed turbulent flow has an impact force, so that the invention can scatter the cells more forcefully.
Preferably, the hollow tube and the column casing are coaxially arranged, and the axis of the nozzle is perpendicular to the hollow tube.
The hollow tube and the column casing are coaxially arranged, and the axis of the nozzle is perpendicular to the hollow tube, so that the treated liquid passes through the nozzle and is vertically sprayed on the inner surface of the column casing, the reaction force direction of the treated liquid on the inner surface of the column casing is the same as the flowing direction of the treated liquid, the impact force on the treated liquid is the greatest, and the treated liquid can break up the group cells more quickly and fully.
Preferably, the axes of the liquid outlet pipe, the output pipe and the discharge pipe are all perpendicular to the column casing.
The liquid outlet pipe and the column casing are arranged vertically, so that when the treated liquid enters the column casing through the liquid outlet pipe after being pressurized, the flowing direction is the same as the direction of the liquid outlet pipe, and unnecessary collision between the treated liquid and the inner wall of the liquid outlet pipe is avoided, so that certain pressure is released, the waste of resources is caused, and the liquid treatment effect is poor. The output pipe and the discharge pipe are used for discharging solid or treated liquid from the column casing by utilizing centrifugal force, the axes of the output pipe and the discharge pipe are perpendicular to the column casing, so that the flowing direction of the solid or treated liquid coincides with the direction of the force, and the flowing speed of the solid or treated liquid is accelerated.
Preferably, the liquid outlet pipe is provided with a hydraulic gauge, and the outer wall of the right cavity is provided with a barometer.
The hydraulic gauge and the barometer can be used for measuring the pressure value in the column casing in real time, so that the balance of the internal pressure and the external pressure can be maintained in time, explosion of the column casing is avoided, and the service life of the invention is prolonged. In addition, due to the action of internal and external pressure, the column casing material needs to pay attention to the pressure resistance of the material, including but not limited to stainless steel.
Preferably, the pressure in the column casing is kept between 0.1MPa and 10 MPa.
The pressure in the cylinder is not a fixed value and will vary with the flow of liquid. The pressure in the column casing is kept between 0.1MPa and 10MPa, and at the moment, the invention breaks up the group cells into individual cells and simultaneously has insufficient integrity protection force on cell walls, so that the cell walls can be broken. Therefore, the invention can be applied to the damage of the bloom formed by the blue algae in groups and the damage of the red tide formed by the flagella of protozoa under the pressure value range. In addition, the method can be suitable for occasions in which the cell walls are broken in cosmetics or medicines to enhance the absorption effect of human bodies. Wherein, according to experimental data, when the pressure in the column casing is kept between 0.3MPa and 0.5MPa, the invention breaks up the population cells into individual cells and simultaneously keeps the integrity of the cell walls. Therefore, when the invention is applied to blue algae treatment under the pressure value range, not only the mucosa which promotes blue algae clusters is destroyed, so that the blue algae clusters are dispersed to solve the water bloom hazard and improve the water quality, but also the cell walls of the blue algae can be reserved, the blue algae can still be used as food for aquatic animals, the biological chain is restored, the ecological system reaches a new balance, and the ecological system is prevented from being hit by excessive treatment of the blue algae. Furthermore, the cell wall of the blue algae is not broken, so that toxin (such as microcystin) in the cells of the blue algae can be prevented from flowing out, and secondary pollution to water body is avoided. Therefore, the invention can select whether to break the cell wall or not by regulating the pressure value in the column casing, has good maneuverability and can be flexibly applied to different occasions.
Compared with the prior art, the invention has the advantages of effectively controlling water quality disasters of cyanobacteria bloom and other group outbreaks, effectively eliminating toxins and avoiding secondary pollution of water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a cyanobacterial toxin treatment device of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the cyanobacteria toxin treatment device according to the present invention;
FIG. 3 is a cross-sectional view of a first embodiment of the cyanobacteria treatment device of the present invention;
FIG. 4 is a cross-sectional view of a second embodiment of the cyanobacteria treatment device of the present invention;
FIG. 5 is a cross-sectional view of another embodiment of the cyanobacteria treatment device of the present invention;
FIG. 6 is a schematic diagram showing the internal structure of a right chamber of a pressurized turbulent mixing device according to a first embodiment of the cyanobacteria treatment device of the present invention;
FIG. 7 is a schematic view showing the internal structure of a left chamber of a pressurized turbulent mixing device according to a first embodiment of the blue algae treatment apparatus of the present invention.
Reference numerals:
1-a booster pump; 11-pipette; 12-a liquid outlet pipe;
13-a hydraulic gauge; 2-a column casing; 21-a partition panel;
22-left chamber; 23-right chamber; 24-barometer;
25-left end cap; 251-deflector; 26-a breather pipe;
27-an air storage chamber; 3-hollow tubes; 31-nozzles;
32-mixing pipes; 33-feeding the pipe; 34-a storage compartment;
4-an output tube; 41-outlet pipe valve; 5-a discharge pipe;
51-a discharge pipe valve; 6-a reaction chamber; 61-water inlet pipe;
611-solenoid valve; 612-a pipeline velocimeter; 62-a water outlet pipe;
621-a water outlet pipe valve; 63-left cylinder; 64-right end cap;
65-fixing the supporting rod; 7-an ozone generator; 71-ozone inlet pipe;
72-oxygen inlet pipe; 721-a first oxygen inlet pipe; 722-a second oxygen inlet pipe;
8-ultraviolet lamp; 81-ultraviolet bulb; 82-ultraviolet lamp tube;
9-connecting pipe.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiment one of the cyanobacteria toxin treatment device:
referring to fig. 1 and 2, a cyanobacteria toxin treatment device comprises a reaction chamber 6 and an ozone generator 7, wherein a water inlet pipe 61 and a water outlet pipe 62 which are communicated with the reaction chamber 6 are arranged on the reaction chamber 6, an ultraviolet lamp 8 is arranged in the reaction chamber 6, and an ozone inlet pipe 71 for conveying ozone into the reaction chamber 6 and an oxygen inlet pipe 72 for conveying oxygen into the ozone generator 7 are arranged on the ozone generator 7.
In practical application, the liquid treated by the existing blue algae treatment device is introduced into the reaction chamber through the water inlet pipe, then irradiated by the ultraviolet lamp, so that endotoxin dissolved in the liquid is eliminated, meanwhile, the ozone generator converts oxygen into ozone, and the ozone is introduced into the reaction chamber to form micro bubbles, namely nano bubbles, so that negative pressure is generated and mixed with the liquid, the effect of treating blue algae toxin is achieved, the toxin is prevented from being dissolved in water, secondary pollution to water is avoided, and hidden danger is brought to human health. In addition, the blue algae toxin treatment device treats blue algae toxin by ultraviolet lamp and ozone, and has the advantages of low treatment cost, low energy consumption, large treatment water quantity, small secondary pollution, strong applicability, stable and reliable treatment effect, simple operation and maintenance and mature process.
Wherein, the interface of ozone ingress pipe and reaction chamber is equipped with two or more, and ozone ingress pipe runs through the reaction chamber, and stretches into the reaction chamber. The ultraviolet lamp can be a built-in battery or a led lamp externally connected with a power supply, and a transparent waterproof sleeve can be covered outside the ultraviolet lamp. The arrangement of the transparent waterproof sleeve can improve the durability of the ultraviolet lamp tube when the ultraviolet lamp tube is directly used underwater and the service life of the blue algae toxin treatment device.
Referring to fig. 1, the reaction chamber 6 is cylindrical, and the reaction chamber 6 includes a left cylinder 63 and a right cap 64 with an opening on a side surface, and the right cap 64 can form a closed container with the left cylinder 63 when being covered on the left cylinder 63.
Wherein the left barrel and the right end cap are detachably connected, including but not limited to bolted connection. The reaction chamber is cylindrical, so that the material is simple in structure and convenient to process, the reaction chamber is cylindrical, the capability of passing water in unit time is larger, and the pipe wall of the reaction chamber is uniformly stressed and is not easy to deform.
Referring to fig. 1 and 2, the ultraviolet lamp 8 includes an ultraviolet bulb 81 and an ultraviolet tube 82, the ultraviolet bulb 81 is disposed on the inner wall of the reaction chamber 6, the right end cover 64 is provided with a fixing support rod 65 in a protruding manner, and the ultraviolet tube 82 is disposed on the fixing support rod 65.
In addition, the fixed support rod and the right end cover are coaxially arranged. Wherein the ultraviolet lamp is a low-pressure lamp, and the effect of treating cyanobacteria toxin is best when the ultraviolet exposure is 1000mJ/cm 2.
The ultraviolet lamp includes ultraviolet bulb and ultraviolet tube, and the ultraviolet bulb is equipped with two or more and becomes the interval setting each other, and evenly distributed on the inner wall of reaction chamber, and the axis of ultraviolet bulb becomes perpendicular setting with the reaction chamber, and ultraviolet tube is equipped with two or more and becomes the interval setting each other, and evenly distributed on fixed branch, and the axis of ultraviolet tube and the coaxial setting of reaction chamber for the liquid through the reaction chamber can both obtain abundant processing, avoids omitting, causes water secondary pollution, makes it bring hidden danger for human health.
Referring to fig. 1, the oxygen introduction tube 72 includes a first oxygen introduction tube 721 communicating with the outside of the reaction chamber 6 and a second oxygen introduction tube 722 communicating with the reaction chamber 6, the second oxygen introduction tube 722 penetrating the side wall of the left cylinder 63 and being close to the right cap 64, and the ozone introduction tube 71 penetrating the left end wall of the left cylinder 63 and being disposed opposite to the right cap 64, the ozone introduction tube 71 being located below the second oxygen introduction tube 722.
In practical application, the ozone is changed into oxygen after reaction in the reaction chamber, and then returned to the ozone generator through the second oxygen inlet pipe, and then the ozone generator converts the oxygen into ozone, and the ozone is continuously sent into the reaction chamber through the ozone inlet pipe to treat cyanobacteria toxin. The second oxygen ingress pipe runs through the side wall of the left barrel and is close to the right end cover, the ozone ingress pipe runs through the left end wall of the left barrel and is opposite to the right end cover, and the ozone ingress pipe is positioned below the second oxygen ingress pipe, so that the distance difference and the height difference between the second oxygen ingress pipe and the ozone ingress pipe and between the reaction chamber and the interface are ensured, the backflow of oxygen is facilitated, and ozone is prevented from directly flowing back into the ozone generator.
In addition, the water inlet pipe 61 is provided with a solenoid valve 611 for regulating the flow rate of the liquid in the water inlet pipe 61, and the water outlet pipe 62 is provided with a water discharge valve 621. The inlet pipe 61 is provided with a pipe velocimeter 612 for monitoring the flow rate of the liquid in the inlet pipe 61.
The blue algae toxin treatment device can be matched with other blue algae treatment equipment for use, but the liquid flow rate after being treated by the other blue algae treatment equipment is larger, the flow rate is faster, and the blue algae toxin treatment device needs a slower flow rate, so that the sufficient irradiation time of ultraviolet rays is ensured, and the toxin can be completely eliminated, and the blue algae toxin treatment device is used for regulating and controlling the flow rate and the flow rate of the liquid in the water inlet pipe by arranging the electromagnetic valve, so that the speed reduction effect is achieved, and the treatment effect is better. The water discharge valve on the water outlet pipe can be controlled to switch so as to adapt to the actual liquid treatment process, for example, the water outlet pipe is closed to lengthen the treatment time of the ultraviolet blue algae toxin, or the water outlet pipe is opened to accelerate the treatment of the ultraviolet blue algae toxin. The setting of pipeline velocimeter for the velocity of flow of liquid in the real-time supervision inlet tube to convert it into the solenoid valve on the signal of telecommunication feed back locates the inlet tube, by the velocity of flow of solenoid valve automatically regulated inlet tube internal liquid, avoid the inlet tube internal liquid velocity of flow too fast, make the abundant irradiation time of ultraviolet ray not enough, the treatment effect is not good.
Embodiment one of the blue algae treatment apparatus:
Referring to fig. 3, 5 and 6, a blue algae treatment device comprises a pressurized turbulent flow mixing device, wherein the pressurized turbulent flow mixing device comprises a cylindrical shell 2 with two closed ends, a pressurized pump 1, a liquid suction pipe 11 arranged on the pressurized pump 1 and a liquid outlet pipe 12, a hollow pipe 3 communicated with the inner cavity of the cylindrical shell 2 is arranged in the cylindrical shell 2, a nozzle 31 capable of spraying the inner surface of the cylindrical shell 2 is arranged on the hollow pipe 3, one end of the cylindrical shell 2 is connected with the liquid outlet pipe 12, an output pipe 4 is arranged on the other end of the cylindrical shell 2, and the output pipe 4 is connected with a water inlet pipe 61 through a connecting pipe 9.
The invention connects the pressurized turbulent flow mixing device and the cyanobacteria toxin treatment device through the connecting pipe for cooperation, firstly adopts turbulent flow to treat cyanobacteria, and then effectively treats cyanobacteria toxin, so that the cyanobacteria treatment effect is better, and the treatment effect is stable and reliable.
The nozzle can be a through hole or a pipe orifice protruding from the hollow pipe. The hollow tube is communicated with the inner cavity of the column casing, namely, an opening is arranged on the hollow tube, and liquid in the column casing can enter the hollow tube through the opening. The openings may be through holes or open at the ends of the hollow tube.
When the liquid is actually treated, the liquid to be treated enters a pressurizing pump through a liquid suction pipe to be pressurized, and then is sent into a column casing through a liquid outlet pipe; the pressurized liquid flows in the cylinder, and is sprayed to the inner surface of the cylinder through the hollow pipe and the nozzle to form turbulence. The pressurized liquid forms turbulence, the internal impact force is smaller than the impact force formed by spraying, when the treated liquid is sprayed to the inner surface of the column casing through the nozzle to generate a certain collision, the treated liquid is dispersed and converged to form new turbulence, and the new turbulence is continuously formed by spraying to the inner surface of the column casing through the hollow pipe through the nozzle, and the circulation flow is repeated, so that a stable and continuous impact force is generated to the treated liquid, the population cells can be separated to a certain extent, and the pressurized turbulence mixing device is adopted to stably and continuously change the population cells such as blue algae into dispersed single cells through turbulence, thereby effectively controlling the water quality disasters of the population bursts such as blue algae bloom. The impact force generated by turbulent flow is stable and continuous, the impact on the cell wall of the blue-green algae cell is small and continuous, the integrity of the cell wall of the blue-green algae cell can be ensured to a certain extent, and the outflow of toxin in the blue-green algae cell is avoided.
In addition, the microcystis has a cell structure of a population surrounded by a polysaccharide mucosa, and has a gas vesicle inside. Therefore, compared with other algae, the microcystis has better capability of avoiding animal predation of plankton, photosynthesis and carbonic acid absorption, and the device can destroy polysaccharide mucous membrane, so that the microcystis can be eaten by plankton such as daphnia, and meanwhile, gas vesicles which are in charge of surface layer movement are destroyed, thus avoiding surface layer floating and bottom layer movement of the microcystis, and further eliminating photosynthesis and carbon dioxide absorption functions of surface layer floating. Eliminating the nutrient salt absorbing capacity of the bottom layer after the bottom layer moves, and further eliminating the nutrient salt absorbing capacity based on the horizontal moving capacity of the blowing stream after the surface layer moves.
Referring to fig. 5, the water inlet pipe 61 is located below the output pipe 4, two or more than two cyanobacteria toxin treatment devices are provided, and adjacent cyanobacteria toxin treatment devices are connected through the water inlet pipe 61 and the water outlet pipe 62, and each cyanobacteria toxin treatment device is arranged at equal height.
The water inlet pipe is positioned below the output pipe, namely the pressurized turbulent flow mixing device and the cyanobacteria toxin treatment device have a certain height difference, and the pressurized turbulent flow mixing device is higher than the cyanobacteria toxin treatment device, so that the cyanobacteria treatment effect is better. And then, through a plurality of equal-height cyanobacteria toxin treatment devices, the cyanobacteria toxin can be completely removed, omission is avoided, secondary pollution to the water body is caused, and hidden danger is brought to human health.
Referring to fig. 3, 5 and 6, the column casing 2 is divided into a left chamber 22 and a right chamber 23 by the partition plate 21, the left chamber 22 is connected with the liquid outlet pipe 12, the right chamber 23 is communicated with the output pipe 4, one end of the hollow pipe 3 is arranged in an opening manner, the other end of the hollow pipe 3 is arranged in a closed manner, the hollow pipe 3 penetrates through the partition plate 21, and the opening end of the hollow pipe 3 is communicated with the left chamber 22. A discharge pipe 5 is provided below the left chamber 22, a discharge pipe valve 51 is provided on the discharge pipe 5, and a discharge pipe valve 41 is provided on the discharge pipe 4.
At this time, the left chamber is used as a first reaction chamber, the right chamber is used as a second reaction chamber, and the column casing is divided into two communicated reaction chambers, so that not only are the population cells in the treated liquid fully and comprehensively dispersed, but also the dispersing effect can be enhanced. One end of the hollow tube is provided with an opening, the other end of the hollow tube is provided with a closed opening, the hollow tube penetrates through the partition plate, the opening end of the hollow tube is communicated with the left cavity, the closed end of the hollow tube is positioned in the right cavity, liquid in the left cavity enters the hollow tube through the opening end of the hollow tube, and as the other end of the hollow tube is provided with the closed opening, liquid in the hollow tube can only be sprayed on the inner surface of the column casing through the nozzle, so that the spraying force is increased, and the scattering effect can be enhanced.
The left cavity is provided with a discharge pipe below, and due to the action of centrifugal force, some solids with certain weight are separated from turbulent flow and discharged from the discharge pipe, so that the solids in the processed liquid can be primarily filtered for primarily discharging waste, and a certain purifying effect is achieved. Wherein the discharge tube is normally closed. The output pipe valve and the discharge pipe valve can be controlled to switch so as to adapt to the actual liquid treatment process. The output pipe can be also provided with a pressure regulating valve so as to control the flow rate of the liquid flowing into the cyanobacteria toxin treatment device.
As shown in fig. 3, 5 and 6, the nozzles 31 are provided with two or more than two nozzles 31, and the nozzles 31 are uniformly distributed on the outer wall of the hollow tube 3. The nozzle 31 is arranged in the right chamber 23, a mixing pipeline 32 capable of spraying to the inner surface of the column casing 2 is arranged outside the nozzle 31, a feed pipe 33 penetrating through the outer wall of the column casing 2 is arranged on the mixing pipeline 32, one end of the feed pipe 33 is communicated with the mixing pipeline 32, and the other end of the feed pipe is led to the outer side of the column casing.
Wherein one end of the inlet pipe 33 is communicated with the mixing pipe 32, and the other end thereof can be connected with a storage chamber 34.
In practical application, air outside the column casing can enter the column casing through the inlet pipe due to pressure difference between the inside and the outside of the column casing. The liquid to be treated is sprayed to the inner surface of the cylinder through the nozzle, and the liquid to be treated stays in the mixing pipeline for a short time because the mixing pipeline is covered outside the nozzle, and air is sent into the mixing pipeline through the inlet pipe at the moment and is uniformly mixed with the liquid to be treated instantly under the action of pressure. At the same time, air enters the mixing pipeline to form bubbles and negative pressure naturally forms, so that the pressure in the column casing is changed. Therefore, the pressure value in the column casing can be changed by regulating and controlling the introduction of air, so that the pressurizing or depressurizing effect is caused, and the treatment effect of blue algae is promoted. The electromagnetic valve can be arranged on the inlet pipe for regulating the air introduction, or measures such as changing the flow rate of the air, changing the inner diameter of the inlet pipe, changing the pressure value in the storage chamber, or changing the pressure value of the pressurizing pump can be started from regulating the size of bubbles formed by the air in the storage chamber entering the mixing pipeline. Experiments show that the blue algae treatment effect is best when the pressure reduction effect is caused by the introduction of the regulated air. This is because blue algae itself is liable to break in the negative pressure.
The two or more nozzles are arranged, so that turbulence formed by spraying the nozzles is more chaotic, and the treatment effect of the invention is promoted; the nozzle is arranged in the right cavity, the mixing pipeline is covered outside the nozzle, and then turbulent flow is formed in the right cavity, and the right cavity can regulate and control the pressure change of the right cavity by regulating and controlling the air introduction through the inlet pipe arranged on the mixing pipeline, so that the pressurizing or depressurizing effect is caused, and the treatment effect of the invention is promoted.
The number of the nozzles is at least 8, and the nozzles are uniformly distributed on the outer wall of the hollow tube, so that the nozzles in the right chamber are ensured to spray towards the inner surface of the column casing along the four directions of up, down, left and right, so that the turbulence in the left chamber and the right chamber is more chaotic and fills the column casing, and the invention can more fully and comprehensively scatter the population cells in the treated liquid.
In addition, the length of the left chamber can be set smaller than that of the right chamber, and the left chamber is used as the first reaction chamber for initially filtering the solid in the processed liquid and can be mixed with the gas introduced into the gas storage chamber. The right chamber serves as a second reaction chamber, and continuously guides water flow through 16 nozzles to form turbulence, so that the population cells in the treated liquid are fully and comprehensively dispersed.
Referring to fig. 3 and 6, the nozzle 31 is protruding on the outer wall of the hollow tube 3, and the inner diameter of the nozzle 31 is gradually decreasing along the axis of the nozzle 31.
The nozzle is arranged on the outer wall of the hollow tube in a protruding mode, the inner diameter of the nozzle is gradually decreased along the axis of the nozzle, namely the section of the nozzle can be in a protruding semicircular cone shape or a reverse T shape. The inner diameter of the nozzle is gradually reduced along the spraying direction, so that the circulation channel in the nozzle is gradually narrowed, the treated liquid can be given a certain impact force, the spraying force is higher, and the formed turbulent flow has an impact force, so that the invention can scatter the cells more forcefully. The two or more nozzles are arranged, so that turbulence formed by spraying the nozzles is more chaotic, and the treatment effect of the invention is promoted.
Referring to fig. 3 and 6, the hollow tube 3 and the column casing 2 are coaxially arranged, and the axis of the nozzle 31 is perpendicular to the hollow tube 3.
The hollow tube and the column casing are coaxially arranged, and the axis of the nozzle is perpendicular to the hollow tube, so that the treated liquid is vertically sprayed on the inner surface of the left cavity through the nozzle, the reaction force direction of the treated liquid on the inner surface of the column casing is the same as the flowing direction of the treated liquid, the impact force on the treated liquid is the greatest, and the treated liquid can break up the group cells more quickly and fully.
Referring to fig. 3 and 6, the axes of the liquid outlet pipe 12, the liquid outlet pipe 4 and the liquid outlet pipe 5 are all perpendicular to the column casing 2.
The liquid outlet pipe and the column casing are arranged vertically, so that when the treated liquid enters the column casing through the liquid outlet pipe after being pressurized, the flowing direction is the same as the direction of the liquid outlet pipe, and unnecessary collision between the treated liquid and the inner wall of the liquid outlet pipe is avoided, so that certain pressure is released, the waste of resources is caused, and the liquid treatment effect is poor. The output pipe and the discharge pipe are used for discharging solid or treated liquid from the column casing by utilizing centrifugal force, the axes of the output pipe and the discharge pipe are perpendicular to the column casing, so that the flowing direction of the solid or treated liquid coincides with the direction of the force, and the flowing speed of the solid or treated liquid is accelerated.
Referring to fig. 3, the liquid outlet pipe 12 is provided with a hydraulic gauge 13, and the outer wall of the right chamber 23 is provided with a barometer 24.
The hydraulic gauge and the barometer can be used for measuring the pressure value in the column casing in real time, so that the balance of the internal pressure and the external pressure can be maintained in time, explosion of the column casing is avoided, and the service life of the invention is prolonged. In addition, due to the action of internal and external pressure, the column casing material needs to pay attention to the pressure resistance of the material, including but not limited to stainless steel.
See fig. 3, the pressure in the cylinder 2 is maintained between 0.1MPa and 10 MPa.
The pressure in the cylinder is not a fixed value and will vary with the flow of liquid. The pressure in the column casing is kept between 0.1MPa and 10MPa, and at the moment, the invention breaks up the group cells into individual cells and simultaneously has insufficient integrity protection force on cell walls, so that the cell walls can be broken. Therefore, the invention can be applied to the damage of the bloom formed by the blue algae in groups and the damage of the red tide formed by the flagella of protozoa under the pressure value range. In addition, the method can be suitable for occasions in which the cell walls are broken in cosmetics or medicines to enhance the absorption effect of human bodies. Wherein, according to experimental data, when the pressure in the column casing is kept between 0.3MPa and 0.5MPa, the invention breaks up the population cells into individual cells and simultaneously keeps the integrity of the cell walls. Therefore, when the invention is applied to blue algae treatment under the pressure value range, not only the mucosa which promotes blue algae clusters is destroyed, so that the blue algae clusters are dispersed to solve the water bloom hazard and improve the water quality, but also the cell walls of the blue algae can be reserved, the blue algae can still be used as food for aquatic animals, the biological chain is restored, the ecological system reaches a new balance, and the ecological system is prevented from being hit by excessive treatment of the blue algae. Furthermore, the cell wall of the blue algae is not broken, so that toxin (such as microcystin) in the cells of the blue algae can be prevented from flowing out, and secondary pollution to water body is avoided. Therefore, the invention can select whether to break the cell wall or not by regulating the pressure value in the column casing, has good maneuverability and can be flexibly applied to different occasions. For example, when the blue algae is toxic, the pressurized turbulent flow mixing device can not destroy the cell wall of the blue algae cells so that the blue algae cells can be ingested by plankton such as daphnia, and when the blue algae is nontoxic, the pressurized turbulent flow mixing device can destroy the cell wall of the blue algae cells so that the blue algae cells can be ingested by plankton such as daphnia, thereby saving energy. Whether the invention damages the cell wall of the blue algae cells is realized by regulating and controlling the pressure value in the column casing. The regulation of the pressure value in the cylinder can be realized by regulating the pressure value of the pressurizing pump and regulating the introduction of air.
The following table is a statistical table of experimental results of the blue algae treatment device according to the embodiment of the present invention, namely, the pressurized turbulent mixing device for treating blue algae-containing liquid under a pressure value of 0.4 MPa:
the following table is a statistical table of experimental results of the treatment of cyanobacterial toxins, i.e., microcystins, according to the present invention:
Description of the table above: raw water reaches the field blue algae, namely the microcystis to proliferate, and blue algae toxins, namely the microcystis toxins, are also increased; the jet impact device, namely the existing blue algae treatment device, can reduce a part of blue algae toxins, namely microcystins by the impact force of the pressurized raw water striking the impact plate after being jetted; the pressurizing turbulence mixing device is used for introducing and mixing pressurized turbulence air to cause repeated pressurizing and depressurizing processes, so that cyanobacteria toxins, namely microcystin, are reduced, and the cyanobacteria toxins are reduced by half after standing for three days in the field; by adopting the blue algae treatment device, the microcystin is reduced to one fifth after the treatment due to the irradiation treatment of micro bubbles generated by ozone and ultraviolet lamps, and the microcystin disappears below the quantitative limit after the microcystin stands for 3 days in the field.
Second embodiment of blue algae treatment apparatus:
Referring to fig. 5 and 7, the device further includes a left end cover 25, the left end cover 25 is disposed at the left end of the left chamber 22 and enables the left chamber 22 to be disposed in a closed manner, at least two flow guide plates 251 disposed at intervals with the inner wall of the column casing 2 are disposed on the left end cover 25 in a protruding manner, the flow guide plates 251 are distributed in a circumferential array by taking the axis of the left end cover 25 as a matrix line, wherein one flow guide plate 251 is disposed below the liquid outlet pipe 12 and is disposed in an inclined manner towards the liquid outlet pipe 12. One end of the deflector 251 is fixedly connected with the left end cover 25, and the other end abuts against the partition plate 21. And the air storage chamber 27 and the air vent 26 penetrate through the outer wall of the left chamber 22, one end of the air vent 26 is close to the orifice of the liquid outlet pipe 12, and the other end of the air vent is connected with the air storage chamber 27. The rest is the same as the first embodiment of the blue algae treatment device.
Wherein the left end cap is detachably connected to the left chamber, including but not limited to a bolted connection. The hollow pipe in the left cavity can be provided with a nozzle or not provided with a nozzle, and under the condition that the nozzle is not provided, liquid to be treated in the left cavity can be drained through the guide plate. The inclination angle of the deflector, namely the angle formed by the deflector and the axis of the liquid outlet pipe is between 10 degrees and 75 degrees, wherein the effect of 30 degrees to 45 degrees is better.
In practical application, the liquid to be treated sucked from the booster pump is led in from the liquid outlet pipe, the liquid to be treated is firstly beaten on the guide plate arranged at the pipe orifice of the liquid outlet pipe, then flows along the inner wall of the column casing, is beaten on the next guide plate, continuously flows along the inner wall of the column casing, and the liquid to be treated circularly flows to enable the pressure to continuously change, and then enters the right chamber through the hollow pipe. The deflector is arranged below the liquid outlet pipe and is obliquely arranged towards the liquid outlet pipe, namely negative pressure is formed at the pipe orifice of the liquid outlet pipe, which is beneficial to the flow of the treated liquid and the rupture of blue algae cells. The flow guide plates are distributed in a circumferential array by taking the axis of the left end cover as an array line, so that the inclination angle of the flow guide plates is changed continuously, the pressure value in the column casing is changed, the pressurizing or depressurizing effect is caused, the collision point of blue algae is increased, and the blue algae cells are broken, so that the treatment effect of the invention is promoted.
One end of the guide plate is fixedly connected with the left end cover, and the other end of the guide plate is propped against the partition plate, so that the flow path of the liquid to be treated is reduced, the liquid to be treated can only flow along the inner wall of the column casing, namely continuous pressure change is generated through the guide of the guide plate, and the treatment effect of the invention is promoted. The air in the air storage chamber enters the left cavity through the vent pipe to form negative pressure, so that blue algae cells are easy to break, one end of the vent pipe is close to the pipe orifice of the liquid outlet pipe, namely, the air led in by the vent pipe and the liquid led in by the liquid outlet pipe are relatively close in distance and can be led in the guide plate, so that the air and the liquid to be treated are mixed, the dissolved oxygen value of the liquid to be treated is improved, the change of the pressure value is increased, and the liquid treatment of the invention is facilitated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. A blue algae treatment device is characterized in that: the device comprises a pressurized turbulent flow mixing device and a cyanobacteria toxin treatment device, wherein the pressurized turbulent flow mixing device comprises a column casing with two closed ends, a pressurizing pump, a liquid suction pipe and a liquid outlet pipe, wherein the liquid suction pipe and the liquid outlet pipe are arranged on the pressurizing pump;
The cyanobacteria toxin treatment device comprises: the device comprises a reaction chamber and an ozone generator, wherein a water inlet pipe and a water outlet pipe which are communicated with the reaction chamber are arranged on the reaction chamber, an ultraviolet lamp is arranged in the reaction chamber, and an ozone inlet pipe for conveying ozone into the reaction chamber and an oxygen inlet pipe for conveying oxygen into the ozone generator are arranged on the ozone generator;
The reaction chamber is cylindrical and comprises a left cylinder body and a right end cover, the side surfaces of the left cylinder body and the right end cover are arranged in an opening way, and the right end cover and the left cylinder body can form a closed container when being covered on the left cylinder body;
The oxygen ingress pipe comprises a first oxygen ingress pipe communicated with the outside of the reaction chamber and a second oxygen ingress pipe communicated with the reaction chamber, the second oxygen ingress pipe penetrates through the side wall of the left cylinder body and is close to the right end cover, the ozone ingress pipe penetrates through the left end wall of the left cylinder body and is opposite to the right end cover, and the ozone ingress pipe is positioned below the second oxygen ingress pipe;
The water inlet pipe is positioned below the output pipe, two or more than two cyanobacteria toxin treatment devices are arranged, the adjacent cyanobacteria toxin treatment devices are connected with the water outlet pipe through the water inlet pipe, and the cyanobacteria toxin treatment devices are arranged at equal heights;
The column casing is divided into a left cavity and a right cavity by a partition plate, the left cavity is connected with the liquid outlet pipe, the right cavity is communicated with the output pipe, one end of the hollow pipe is provided with an opening, the other end of the hollow pipe is provided with a closed opening, the hollow pipe penetrates through the partition plate, the opening end of the hollow pipe is communicated with the left cavity, a discharge pipe is arranged below the left cavity, a discharge pipe valve is arranged on the discharge pipe, and the output pipe is provided with an output pipe valve;
The spray nozzles are arranged in the right cavity, the spray nozzles are arranged in two or more than two, the spray nozzles are uniformly distributed on the outer wall of the hollow pipe, the spray nozzle outer cover is provided with a mixing pipeline capable of spraying to the inner surface of the column casing, the mixing pipeline is provided with a pipe penetrating through the outer wall of the column casing, one end of the pipe is communicated with the mixing pipeline, and the other end of the pipe is communicated with the outer side of the column casing;
The nozzle is arranged on the outer wall of the hollow tube in a protruding mode, the inner diameter of the nozzle is gradually decreased along the axis of the nozzle, and the section of the nozzle is in an upward protruding semicircular conical shape or a reverse T-shaped shape.
2. The cyanobacteria treatment device of claim 1, wherein: the novel air conditioner comprises a column casing, and is characterized by further comprising a left end cover, wherein the left end cover is arranged at the left end of the left cavity and enables the left cavity to be arranged in a closed mode, at least two guide plates which are arranged at intervals on the inner wall of the column casing are convexly arranged on the left end cover, the guide plates are distributed in a circumferential array mode by taking the axis of the left end cover as a matrix line, one guide plate is arranged below the liquid outlet pipe and faces the liquid outlet pipe to be arranged in an inclined mode, one end of each guide plate is fixedly connected with the left end cover, and the other end of each guide plate abuts against the partition plate.
3. The cyanobacteria treatment device of claim 2, wherein: the liquid outlet pipe is connected with the liquid storage chamber, and the liquid outlet pipe is connected with the liquid storage chamber.
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| CN201810672792.5A CN108569745B (en) | 2018-06-26 | 2018-06-26 | Blue algae toxin processing device and blue algae processing device |
| PCT/CN2019/092697 WO2020001419A1 (en) | 2018-06-26 | 2019-06-25 | Pressurized turbulent mixing device, liquid treatment method, cyanobacteria treatment device and cyanobacteria treatment method |
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| CN201810672792.5A CN108569745B (en) | 2018-06-26 | 2018-06-26 | Blue algae toxin processing device and blue algae processing device |
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| WO2020001419A1 (en) * | 2018-06-26 | 2020-01-02 | 温州大学 | Pressurized turbulent mixing device, liquid treatment method, cyanobacteria treatment device and cyanobacteria treatment method |
| CN110451705B (en) * | 2019-09-17 | 2020-10-13 | 山东大学 | Self-positioning algal bloom water body collecting and ultraviolet inactivation reoxygenation algae control device and method |
| CN110589909A (en) * | 2019-09-30 | 2019-12-20 | 浙江海洋大学 | Method for collecting and treating water bloom of near-shore blue algae |
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