CN101450818A - Method and equipment for processing blue algae in water body - Google Patents
Method and equipment for processing blue algae in water body Download PDFInfo
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- CN101450818A CN101450818A CNA2007101965384A CN200710196538A CN101450818A CN 101450818 A CN101450818 A CN 101450818A CN A2007101965384 A CNA2007101965384 A CN A2007101965384A CN 200710196538 A CN200710196538 A CN 200710196538A CN 101450818 A CN101450818 A CN 101450818A
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Abstract
The invention discloses a method and equipment for treating blue algae in a water body. The method comprises the steps: pumping a mixture of the blue algae and water to a pressure vessel from a water body containing the blue algae, and utilizing the positive pressure or the negative pressure to ensure that a pressure difference is formed between internal spaces and external spaces of blue alga bodies in the pressure vessel, thereby bursting the blue alga bodies under the action of the pressure difference to release internal gas nuclei. The equipment comprises the pressure vessel, a pumping device, and a discharge device, wherein the pumping device is used for pumping the mixture of the blue algae and the water into the pressure vessel from the water body containing the blue algae, thereby utilizing the positive pressure in the pressure vessel to ensure that the blue alga bodies in the pressure vessel burst to release the internal gas nuclei; and the discharge device is used for discharging the mixture of the blue algae and the water into the water body containing the blue algae. According to the method and the equipment for treating the blue algae in the water body, a physical method is adopted to remove the blue algae in the water body, and has the advantages of simple technology, low cost, high efficiency, easy implementation, and no secondary pollution to the water body.
Description
Technical field:
The present invention relates to the improvement of water pollution, especially relate to a kind of treatment process and equipment that is used for removing the blue-green algae that contains the blue-green algae water body.
Background technology:
Present domestic many waters, the trend of eutrophication has appearred in lake for example, has occurred the floating layer of algae of a large amount of greens on the water surface.Described algae is kept it by the intravital gas nuclear of gas nuclear and swims, and forms group's piece, is difficult for being preyed on by the animal algae.
Along with the corruption that swims in the blue-green algae on the water surface, can give out foul gas, severe contamination ambient air environment.Blue-green algae consumes a large amount of oxygen in the water body in death process simultaneously, and the existence of serious harm organism in water influences physical environment and ecotope.
The technology of removing blue-green algae at present has the biological removal method, chemical deposition method, strainer filtering method.Though biological removal method effect is better, the time that needs is long, manpower, and the material resources input is many, is difficult in a short time finish except that the algae task.Though and chemical deposition method can make water body become clear in a short time, the use of pharmaceutical chemicals can cause the secondary pollution of water body.As time goes on strainer filtering collects rule, and blue-green algae is adsorbed on the filter screen and loses filter effect gradually, therefore need change and clean filter screen continually, thereby need great amount of manpower, financial resources and time.
Summary of the invention:
The present invention is intended to overcome above-mentioned of the prior art to the small part shortcoming, and a kind of physics method and equipment of handling blue-green algae is provided, and method and apparatus technology of the present invention is simple, and cost is low, and the efficient height is implemented easily, can not cause secondary pollution to water body.
Correspondingly, a first aspect of the present invention proposes a kind of method that is used for handling the blue-green algae of water body, and comprising: the mixture with blue-green algae and water from contain the blue-green algae water body is pumped in the pressurized vessel; With in pressurized vessel, utilize malleation or negative pressure to make the inside and outside formation pressure difference of blue-green algae body emit inner gas nuclear so that the blue-green algae body breaks under described pressure difference effect.
Therefore, the method for the blue-green algae in the treatment in accordance with the present invention water body is broken by the pressure official post blue-green algae body in the pressurized vessel, emits inner gas nuclear, thereby loses floating capability, i.e. blue-green algae death.The method of treatment in accordance with the present invention blue-green algae, simple to operate, fast, effectively, cost is low, can not cause secondary pollution to water body.
The method of blue-green algae in the processing water body according to a first aspect of the invention further comprises discharges the mixture of break blue-green algae and water in pressurized vessel.
And then the mixture of wherein said break blue-green algae and water is discharged into described containing the blue-green algae water body in pressurized vessel, so that the blue-green algae of breaking is sunken to the bottom and/or is preyed on by the animal algae.That is to say that after handling through pressurized vessel, the blue-green algae of breaking of emitting inner gas nuclear is discharged from pressurized vessel and enters in the former water body, the corpse of the blue-green algae of breaking is deposited to water bottom with action of gravity and turns mud into or preyed on by the animal algae in the water body.
Therefore, the method for the blue-green algae in the treatment in accordance with the present invention water body can be carried out containing on the blue-green algae water body, and the blue-green algae after the processing can directly be discharged in the former water body, need not the blue-green algae after handling is transported out of former water body, further provides cost savings.
According to a first aspect of the invention, may further include the blue-green algae of breaking of discharging in pressurized vessel is pulverized.
According to a first aspect of the invention, be blue-green algae in 50 to the 200 mm depth scopes to be played on the top layer of self-contained blue-green algae water body and the mixture of water is pumped in the described pressurized vessel in the operation.
According to a first aspect of the invention, malleation or the negative pressure in the pressurized vessel is adjustable.Particularly, the value of malleation can be arranged on 0.1MPa in the scope of 2.0MPa.The absolute value of negative pressure can be arranged on 0.02MPa in the scope of 0.08MPa.Thereby malleation or the negative pressure in the pressure of pressure vessel fully broken so that guarantee the blue-green algae body as the case may be.
According to a second aspect of the invention, propose a kind of equipment that is used for handling the blue-green algae of water body, comprising: pressurized vessel; Suction unit, be used for the mixture of blue-green algae and water being pumped into the described pressurized vessel from containing the blue-green algae water body, so that in pressurized vessel, utilize malleation to make the inside and outside formation pressure difference of blue-green algae body, emit inner gas nuclear thereby the blue-green algae body breaks under described pressure difference effect; And discharge equipment, be used for the mixture of break blue-green algae and water is discharged in pressurized vessel.
According to equipment of the present invention, simple in structure, processing ease, cost is low, and is effective, and can not cause secondary pollution to water body.
And then will the break mixture of blue-green algae and water of described discharge equipment is discharged in the pressurized vessel and contains in the blue-green algae water body.
Through handling, the disruptive blue-green algae is discharged in the former water body, and the blue-green algae corpse is deposited to water bottom with action of gravity and turns mud into or preyed on by the animal algae in the water body.Need not the blue-green algae after handling is transported out of former water body, further provide cost savings.
Particularly, described discharge equipment is an emptying pump, and perhaps described discharge equipment comprises discharge outlet that is arranged on the pressurized vessel bottom and the bleed valve that is arranged on the discharge outlet place.Described suction unit is suction pump.
The equipment of blue-green algae that is used for handling water body according to second aspect present invention further comprises pressure generator, is used for producing in pressurized vessel malleation.
Pressure generator can be topping-up pump.
In addition, further comprise according to the equipment of blue-green algae that is used for handling water body of second aspect present invention being arranged on the pressure valve on the pressurized vessel and being arranged on pressure warning unit on the pressurized vessel, be used to indicate the malleation in the pressurized vessel.The value of described malleation can be at 0.1MPa in the scope of 2.0MPa.
According to embodiments of the invention, blue-green algae in 50 to the 200 mm depth scopes is played on the top layer of self-contained blue-green algae water body with described suction unit and the mixture of water is pumped in the described pressurized vessel.
In addition, further comprise shredding unit according to the equipment of blue-green algae that is used for handling water body of second aspect present invention, described shredding unit is arranged between pressurized vessel and the discharge equipment, is used to pulverize the blue-green algae of breaking of discharging in the pressurized vessel.Through pulverizing, the blue-green algae after being convenient to handle is sunken to the bottom, and has further strengthened treatment effect.
According to third aspect present invention, a kind of equipment that is used for handling the blue-green algae of water body is proposed, comprising: pressurized vessel; Pressure generator is used for producing negative pressure in described pressurized vessel; Suction unit, be used for the mixture of blue-green algae and water being pumped into the described pressurized vessel from containing the blue-green algae water body, so that in pressurized vessel, utilize negative pressure to make the inside and outside formation pressure difference of blue-green algae body, emit inner gas nuclear thereby the blue-green algae body breaks under described pressure difference effect; And discharge equipment, be used for the mixture of break blue-green algae and water is discharged in pressurized vessel.
And then will the break mixture of blue-green algae and water of described discharge equipment is discharged in the pressurized vessel and contains in the blue-green algae water body.
Particularly, described discharge equipment is an emptying pump, perhaps comprises discharge outlet that is arranged on the pressurized vessel bottom and the bleed valve that is arranged on the discharge outlet place.Described suction unit is suction pump.Described pressure generator is a drawdown pump.
In addition, further comprise according to the equipment of blue-green algae that is used for handling water body of third aspect present invention being arranged on the pressure valve on the pressurized vessel and being arranged on pressure warning unit on the pressurized vessel, be used to indicate the negative pressure in the pressurized vessel.The absolute value of described negative pressure can be at 0.02MPa in the scope of 0.08MPa.
The equipment of blue-green algae that is used for handling water body according to third aspect present invention further comprises shredding unit, and described shredding unit is arranged between pressurized vessel and the discharge equipment, is used to pulverize the blue-green algae of breaking of discharging in the pressurized vessel.
According to a forth aspect of the invention, propose a kind of equipment that is used for handling the blue-green algae of water body, comprising: pressurized vessel; Pressure generator is used for producing malleation in pressurized vessel; With the suction discharge equipment, be used for the mixture of blue-green algae and water being pumped into the described pressurized vessel from containing the blue-green algae water body, so that utilize the interior malleation of pressurized vessel to make the inside and outside formation pressure difference of the blue-green algae body in the pressurized vessel, emit inner gas nuclear thereby the blue-green algae body breaks under described pressure difference effect, and be used for the mixture of break blue-green algae and water is discharged in the pressurized vessel and contain in the blue-green algae water body.
Particularly, described suction discharge equipment is the suction emptying pump.
According to the method and apparatus that is used for handling the blue-green algae of water body of the present invention, be to adopt physical method to remove blue-green algae in the water body, technology is simple, cost is low, and the efficient height is implemented easily, there is not secondary pollution, therefore is with a wide range of applications and prospect water body.
Description of drawings
Fig. 1 is the synoptic diagram of equipment of blue-green algae that is used for handling water body of first embodiment of the invention;
Fig. 2 is the synoptic diagram of modification of equipment of blue-green algae that is used for handling water body of first embodiment of the invention;
Fig. 3 is the synoptic diagram of equipment of blue-green algae that is used for handling water body of second embodiment of the invention;
Fig. 4 is the synoptic diagram of equipment of blue-green algae that is used for handling water body of third embodiment of the invention;
Fig. 5 is the schematic flow sheet of the method for the blue-green algae in the processing water body of the embodiment of the invention; With
Fig. 6 is the schematic flow sheet of the modification of method shown in Figure 5.
Embodiment
Describe embodiments of the invention in detail below with reference to accompanying drawing, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented components identical.Be used to explain the present invention below by the embodiment that is described with reference to the drawings, described embodiment is exemplary, and can not be interpreted as limitation of the present invention.
With reference to figure 1, show the formation synoptic diagram of equipment 100 of blue-green algae that is used for handling water body of first embodiment of the invention.The equipment 100 of blue-green algae that is used for handling water body according to first embodiment of the invention comprises pressurized vessel 1, suction unit 2 and discharge equipment 3.
After in pressurized vessel 1, handling, break the mixture of blue-green algae and water by discharge equipment 3 outlet pressure containers, the mixture of blue-green algae and water of breaking can directly be discharged in the water body 8, the bottom that the corpse of blue-green algae is deposited to water body 8 with action of gravity turns mud into or is preyed on by the animal algae in the water body, therefore can not cause secondary pollution, save the work of the blue-green algae after transportation is handled simultaneously water body 8.Certainly, the blue-green algae after the processing is not limited to be discharged in the water body 8.
When the mixture of suction unit 2 suction blue-green algae and water in pressurized vessel 1, discharge equipment 3 shuts down, and the air in the pressurized vessel 1 can not discharge by discharge equipment 3, the valve of unidirectional reverse checkvalve or other types for example can be set, so that can in pressurized vessel 1, produce malleation by the mixture of suction blue-green algae and water in pressurized vessel 1 between discharge equipment 3 and pressurized vessel 1.
According to embodiments of the invention, suction unit 1 is suction pump, and discharge equipment 3 is an emptying pump.
Alternatively, discharge equipment 3 can comprise discharge outlet 3.1 that is arranged on pressurized vessel 1 bottom and the bleed valve 3.2 that is arranged on discharge outlet 3.1 places.After in pressurized vessel 1, handling blue-green algae, bleed valve 3.2 is opened, the mixture of break blue-green algae and water in the pressurized vessel 1 flows automatically in the water body 8, bleed valve 3.2 cuts out then, once more from containing the mixture of blue-green algae water body 8 inward pressure containers, 1 interior suction blue-green algae and water, thereby the water body 8 that contains blue-green algae is handled in circulation, so that remove the blue-green algae in the water body 8.As mentioned above, when the mixture of suction unit 2 suction blue-green algae and water in pressurized vessel 1, the air in the pressurized vessel 1 and the mixture of blue-green algae and water can not be discharged from bleed valve 3.2, guarantee generation malleation pressurized vessel 1 in thus.
In the example depicted in fig. 1, the equipment 100 that is used for handling the blue-green algae of water body also comprises the pressure warning unit 7 that is arranged on the pressurized vessel 1, is used to indicate the pressure in the pressurized vessel 1; With the pressure valve 5 that is arranged on the pressurized vessel 1.Pressure valve 5 can be used to control with pressure of pressure vessel 1 in positive pressure.
As mentioned above, in the embodiment show in figure 1, the malleation in the pressurized vessel 1 is by the constantly mixture of suction blue-green algae and water and formation naturally to pressurized vessel 1 in of suction unit 2.
In the example depicted in fig. 1, the equipment 100 that is used for handling the blue-green algae of water body also comprises shredding unit 9, and shredding unit 9 is arranged between pressurized vessel 1 and the discharge equipment 3, is used to pulverize the blue-green algae of breaking of discharging in the pressurized vessel.For example, after in pressurized vessel 1, handling, the mixture of broken blue-green algae and water is discharged into shredding unit 9, shredding unit 9 is pulverized by the blue-green algae of will breaking, further enhancement process effect, blue-green algae after shredding unit 9 is pulverized is discharged in the water body 8 by discharge equipment 3 with water, owing to passed through pulverizing, blue-green algae is sunken in the water body 8 easily.The form of shredding unit 9 has no particular limits, and can use any suitable shredding unit of the prior art.
Fig. 2 shows the formation synoptic diagram of modification of equipment 100 of blue-green algae that is used for handling water body according to first embodiment of the invention.In the example shown in Fig. 2, the equipment 100 that is used for handling the blue-green algae of water body also comprises pressure generator 4, is used for additionally producing in pressurized vessel 1 malleation.More specifically, pressure generator 4 can be topping-up pump, be used for by pipeline supply air in pressurized vessel 1, thus the malleation in the pressure boost container 1.
In the embodiment shown in Fig. 2, owing to set up pressure generator 4, thus can in pressurized vessel 1, form malleation quickly, and can in pressurized vessel 1, form higher malleation, thus improve treatment effect and efficient.
As mentioned above, with example class shown in Figure 1 seemingly, the mixture of suction unit 2 suction blue-green algae and water in pressurized vessel 1 and at pressure generator 4 to pressurized vessel suction air so that when increasing malleation in the pressurized vessel 1, discharge equipment 3 shuts down, and the air in the pressurized vessel 1 can not discharge by discharge equipment 3, the valve of unidirectional reverse checkvalve or other types for example can be set, so that in pressurized vessel 1, produce malleation between discharge equipment 3 and pressurized vessel 1.Other constitute with embodiment illustrated in fig. 1 similar, give unnecessary details no longer in detail here.
According to the first embodiment of the present invention, the malleation in the pressurized vessel 1 for example can be regulated in the scope of 2.0MPa at 0.1MPa, but is not limited to above-mentioned pressure range.Means as for regulating described malleation are readily appreciated that for those of ordinary skill in the art.For example, pressure valve 5 can be set at the top of pressurized vessel 1, when the pressure of pressure warning unit 7 indications was excessive, pressure valve 5 can be opened, thus the air pressure in the relief pressure container 1, and when pressure was got back to desirable value, pressure valve 5 was closed.The maximum allowable pressure of pressure valve 5 can be set, thereby when the pressure in the pressurized vessel 1 during greater than maximum allowable pressure, pressure valve 5 is opened automatically, and this moment, pressure valve 5 played the effect of safety valve.Certainly, pressure valve 5 also can manual unlocking, needs this moment operator to judge positive pressure in the pressurized vessel 1 according to the demonstration pressure of pressure warning unit 7.
Because blue-green algae generally swims in the top layer of water body 8, therefore, suction unit 2 can play the top layer of self-contained blue-green algae water body 8 blue-green algae of (the thickness H among Fig. 1-3) in the scope of 50-200 mm depth and the mixture of water is fed in the pressurized vessel 1.
In use, for example can place aboard ship according to the equipment of blue-green algae that is used for handling water body of the embodiment of the invention, so that can in water body 8, move.Certainly, described ship also can substitute with simple yoke etc.A plurality of equipment that are used for handling the blue-green algae of water body also can be set on the surface of water body 8 regularly.The equipment of blue-green algae that is used for handling water body according to the embodiment of the invention also can be arranged on the land.
Thus, simple in structure according to the equipment that is used for handling the blue-green algae of water body of the present invention, operation easily, and use physical method to handle blue-green algae, reliable for effect, and can not cause secondary pollution to water body 8.
Below with reference to Fig. 3 the equipment 100 of blue-green algae that is used for handling water body according to second embodiment of the invention is described.The equipment 100 of blue-green algae that is used for handling water body according to second embodiment of the invention comprises pressurized vessel 1; Pressure generator 4 is used for producing negative pressure in described pressurized vessel 1; Suction unit 2, be used for being pumped into the described pressurized vessel 1 from containing blue-green algae water body 8 mixtures with blue-green algae and water, so that utilize pressurized vessel 1 interior negative pressure to make the inside and outside formation pressure difference of the blue-green algae body in the pressurized vessel, emit inner gas nuclear thereby the blue-green algae body breaks under described pressure difference effect, blue-green algae loses floating capability and death; With discharge equipment 3, be used for the mixture of break blue-green algae and water is discharged in pressurized vessel 1.
Similar with first embodiment, after in pressurized vessel 1, handling, break the mixture of blue-green algae and water by discharge equipment 3 outlet pressure containers 1, the mixture of blue-green algae and water of breaking can directly be discharged in the water body 8, the bottom that the corpse of blue-green algae is deposited to water body 8 with action of gravity turns mud into or is preyed on by the animal algae in the water body, therefore can not cause secondary pollution, save the work of transporting the blue-green algae of breaking simultaneously water body 8.
Second embodiment shown in Figure 3 compares with embodiment illustrated in figures 1 and 2, so difference is producing negative pressure in pressurized vessel 1, utilize negative pressure to make the inside and outside formation pressure difference of the blue-green algae body in the pressurized vessel 1, thereby the blue-green algae body is owing to described pressure difference is broken, blue-green algae death thus.
According to being used for handling on the equipment 100 of blue-green algae of water body pressure warning unit 7 and pressure valve 5 also can be set of second embodiment, pressure warning unit 7 is used to indicate the negative pressure in the pressurized vessel 1.When the negative pressure in the pressurized vessel 1 surpassed preset value, pressure valve 5 automatic or manuals were opened, so that allow extraneous air to enter pressurized vessel 1 from pressure valve 5, reduced the negative pressure in the pressurized vessel 1.
Need to prove, when suction unit 2 in pressurized vessel 1 constantly during the mixture of suction blue-green algae and water, pressure in the pressurized vessel 1 constantly increases, promptly be tending towards forming malleation, this moment can trigger pressure producer 4, constantly from pressurized vessel 1 outside exhaust, thereby reduce pressure in the pressurized vessel 1, up to forming required negative pressure.
Alternatively, when suction unit 2 when constantly the mixture of suction blue-green algae and water, pressure pressurized vessel 1 in constantly increase in pressurized vessel 1, the air in the pressure valve 5 authorized pressure containers 1 outwards discharges, thus the interior malleation of offset pressure container 1.
When stopping the mixture of feed blue-green algae and water in pressurized vessel 1, pressure generator 4 starts, from pressurized vessel 1 outside exhaust, in pressurized vessel 1, form negative pressure, this moment, pressure valve 5 did not allow extraneous air to enter in the pressurized vessel 1, when having only the authorised pressure when the negative pressure overpressure valve 5 in the pressurized vessel 1, pressure valve 5 is just opened so that allow in the air admission pressurized vessel 1.Certainly, during from the outside exhaust of pressurized vessel 1, suction unit 2 does not allow extraneous air to enter pressurized vessel 1 by it yet, for example can between suction unit 2 and pressurized vessel 1 unidirectional reverse checkvalve etc. be set at pressure generator 4.
If it is manually operated during pressure valve 5, operating process is so, begin to open pressure valve 5, the mixture of suction blue-green algae and water in pressurized vessel 1, when stopping the mixture of feed blue-green algae and water in pressurized vessel 1, manual-lock pressure valve 5, thus restart pressure producer 4 forms negative pressure in pressurized vessel 1.
Particularly, pressure generator 4 can be drawdown pump.
According to second embodiment of the invention be used for handle water body blue-green algae equipment other formations and the operation and first embodiment similar, for example, suction unit 2 can be suction pump, discharge equipment 1 can constitute for emptying pump or by discharge outlet and bleed valve, negative pressure in the pressurized vessel 1 can be regulated in the scope of 0.08MPa at 0.02MPa, shredding unit 9 is arranged between pressurized vessel 1 and the discharge equipment 3, repeats no more here.
Below with reference to Fig. 4 the equipment 100 of blue-green algae that is used for handling water body according to third embodiment of the invention is described.
As shown in Figure 4, the equipment 100 of blue-green algae that is used for handling water body according to third embodiment of the invention comprises pressurized vessel 1, pressure generator 4, be used in pressurized vessel 1, producing malleation, with suction discharge equipment 6, be used for the mixture of blue-green algae and water being pumped into the described pressurized vessel 1 from containing the blue-green algae water body, so that utilize the interior malleation of pressurized vessel to make the inside and outside formation pressure difference of the blue-green algae body in the pressurized vessel,, the blue-green algae body emits inner gas nuclear thereby breaking under described pressure difference effect, and suction discharge equipment 6 also is used for the mixture of break blue-green algae and water is discharged in pressurized vessel 1, for example directly is discharged into described containing in the blue-green algae water body 8.
More specifically, suction discharge equipment 6 can for can be from the mixture of water body 8 suction blue-green algae and water in pressurized vessel 1 and the mixture of blue-green algae after can will handling in the pressurized vessel 1 and water be discharged into the suction emptying pump of water body 8.That is to say that the suction discharge equipment 6 among the 3rd embodiment has played the suction unit 2 among first and second embodiment and the effect of discharge equipment 3.Certainly, in the 3rd embodiment, suction discharge equipment 6 is connected to the bottom of pressurized vessel 1 by pipeline, so that the mixture of break blue-green algae and water in the pressurized vessel 1 all can be extracted out.Alternatively, suction discharge equipment 6 is connected to the top of pressurized vessel 1 by pipeline, extends to the bottom of pressurized vessel 1 again by the pipeline in the pressurized vessel 1, and this can understand easily for those of ordinary skill in the art.
Similar with first embodiment, also pressure warning unit 7 and pressure valve 5 can be set on pressurized vessel 1 according to the equipment 100 of blue-green algae that is used for handling water body of the 3rd embodiment, effect is similar with first embodiment, repeats no more here.
Below with reference to Fig. 5 the method for blue-green algae that is used for handling water body according to the embodiment of the invention is described.As shown in Figure 5, at first from contain blue-green algae water body 8, the mixture of blue-green algae and water is pumped in the pressurized vessel 1, utilize the malleation that for example in pressurized vessel 1, produces by pressure generator 4, the negative pressure of perhaps utilizing pressure generator 4 in pressurized vessel 1, to produce, make the inside and outside formation pressure difference of the blue-green algae body in the pressurized vessel, the blue-green algae body breaks under described pressure difference effect and emits inner gas nuclear, and blue-green algae loses swim function and death thus.
Then, the water of blue-green algae in pressurized vessel 1 after handling by discharge equipment outlet pressure container 1, for example is discharged in the water body 8, the corpse of blue-green algae is sunken to the bottom and/or is preyed on by the animal algae.
Then, the aforesaid operations that can circulate is removed the blue-green algae in the water body 8 thus continuously.
Alternatively, malleation in the pressurized vessel 1 or negative pressure are adjustable in 0.1MPa arrives the scope of 2.0MPa, and will be pumped in the pressurized vessel 1 from the blue-green algae in 50 to the 200 mm depth scopes of the top layer of water body 8 and the mixture of water, and reach thus and better break and suction effect.
Fig. 6 shows description another schema of method of blue-green algae that is used for handling water body according to the embodiment of the invention.Compare with flow process shown in Figure 5, flow process shown in Figure 6 has increased pulverising step, particularly, after in pressurized vessel 1, handling, broken blue-green algae and water is outlet pressure container 1 together, then, the broken blue-green algae of discharging is further pulverized, for example be discharged into then in the water body 8, the blue-green algae after this more helps handling is sunken in the water body 8.
The method according to this invention adopts the blue-green algae in the physical method removing water body, and technology is simple, and cost is low, and the efficient height is implemented easily, does not have the secondary pollution to water body, therefore has good value for applications.
Utilize the method and apparatus that is used for handling the blue-green algae of water body of the present invention to remove blue-green algae in the water body though described above, yet, for persons of ordinary skill in the art may appreciate that method and apparatus of the present invention can be used for removing other algae of water body equally.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can change that scope of the present invention is limited by claims and equivalent thereof to these embodiment.
Claims (28)
1, a kind of method that is used for handling the blue-green algae of water body is characterized in that, comprising:
Mixture with blue-green algae and water from contain the blue-green algae water body is pumped in the pressurized vessel; With
In pressurized vessel, utilize malleation or negative pressure to make the inside and outside formation pressure difference of blue-green algae body, emit inner gas nuclear so that the blue-green algae body breaks under described pressure difference effect.
2, the method that is used for handling the blue-green algae of water body according to claim 1 is characterized in that further comprise: the mixture of will break blue-green algae and water is discharged in pressurized vessel.
3, the method that is used for handling the blue-green algae of water body according to claim 2, it is characterized in that, the mixture of described break blue-green algae and water is discharged into described containing the blue-green algae water body in pressurized vessel, so that the blue-green algae of breaking is sunken to the bottom and/or is preyed on by the animal algae.
4, the method that is used for handling the blue-green algae of water body according to claim 2 is characterized in that, further comprises: the blue-green algae of breaking that will discharge in the pressurized vessel is pulverized.
5, the method that is used for handling the blue-green algae of water body according to claim 1 is characterized in that, blue-green algae in 50 to the 200 mm depth scopes is played on the top layer of self-contained blue-green algae water body and the mixture of water is pumped in the described pressurized vessel.
6, the method that is used for handling the blue-green algae of water body according to claim 1 is characterized in that, the value of described malleation at 0.1MPa in the scope of 2.0MPa.
7, the method that is used for handling the blue-green algae of water body according to claim 1 is characterized in that, the absolute value of described negative pressure at 0.02MPa in the scope of 0.08MPa.
8, a kind of equipment that is used for handling the blue-green algae of water body is characterized in that, comprising:
Pressurized vessel;
Suction unit, be used for the mixture of blue-green algae and water being pumped into the described pressurized vessel from containing the blue-green algae water body, so that in pressurized vessel, utilize malleation to make the inside and outside formation pressure difference of blue-green algae body, emit inner gas nuclear thereby the blue-green algae body breaks under described pressure difference effect; With
Discharge equipment is used for the mixture of break blue-green algae and water is discharged in pressurized vessel.
9, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that, will the break mixture of blue-green algae and water of described discharge equipment is discharged in the pressurized vessel and contains in the blue-green algae water body.
10, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that described discharge equipment is an emptying pump.
11, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that, described discharge equipment comprises discharge outlet that is arranged on the pressurized vessel bottom and the bleed valve that is arranged on the discharge outlet place.
12, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that described suction unit is suction pump.
13, according to Claim 8 each described equipment that is used for handling the blue-green algae of water body is characterized in that-12, further comprises pressure generator, is used for producing in pressurized vessel malleation.
14, the equipment that is used for handling the blue-green algae of water body according to claim 13 is characterized in that described pressure generator is a topping-up pump.
15, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that, further comprises being arranged on the pressure valve on the pressurized vessel and being arranged on pressure warning unit on the pressurized vessel, is used to indicate the malleation in the pressurized vessel.
16, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that, the value of described malleation at 0.1MPa in the scope of 2.0MPa.
17, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that, blue-green algae in 50 to the 200 mm depth scopes is played on the top layer of self-contained blue-green algae water body with described suction unit and the mixture of water is pumped in the described pressurized vessel.
18, the equipment that is used for handling the blue-green algae of water body according to claim 8 is characterized in that, further shredding unit, and described shredding unit is arranged between pressurized vessel and the discharge equipment, is used to pulverize the blue-green algae of breaking of discharging in the pressurized vessel.
19, a kind of equipment that is used for handling the blue-green algae of water body is characterized in that, comprising:
Pressurized vessel;
Pressure generator is used for producing negative pressure in described pressurized vessel;
Suction unit, be used for the mixture of blue-green algae and water being pumped into the described pressurized vessel from containing the blue-green algae water body, so that in pressurized vessel, utilize negative pressure to make the inside and outside formation pressure difference of blue-green algae body, emit inner gas nuclear thereby the blue-green algae body breaks under described pressure difference effect; With
Discharge equipment is used for the mixture of break blue-green algae and water is discharged in pressurized vessel.
20, the equipment that is used for handling the blue-green algae of water body according to claim 19 is characterized in that, will the break mixture of blue-green algae and water of described discharge equipment is discharged in the pressurized vessel and contains in the blue-green algae water body.
21, the equipment that is used for handling the blue-green algae of water body according to claim 19 it is characterized in that described discharge equipment is an emptying pump, and described suction unit is suction pump.
22, the equipment that is used for handling the blue-green algae of water body according to claim 19 is characterized in that, described discharge equipment comprises discharge outlet that is arranged on the pressurized vessel bottom and the bleed valve that is arranged on the discharge outlet place.
23, the equipment that is used for handling the blue-green algae of water body according to claim 19 is characterized in that described pressure generator is a drawdown pump.
24, the equipment that is used for handling the blue-green algae of water body according to claim 19 is characterized in that, further comprises the pressure valve that is arranged on the pressurized vessel; With the pressure warning unit that is arranged on the pressurized vessel, be used to indicate the negative pressure in the pressurized vessel.
25, the equipment that is used for handling the blue-green algae of water body according to claim 19 is characterized in that, the absolute value of described negative pressure at 0.02MPa in the scope of 0.08MPa.
26, the equipment that is used for handling the blue-green algae of water body according to claim 19 is characterized in that, further shredding unit, and described shredding unit is arranged between pressurized vessel and the discharge equipment, is used to pulverize the blue-green algae of breaking of discharging in the pressurized vessel.
27, a kind of equipment that is used for handling the blue-green algae of water body is characterized in that, comprising:
Pressurized vessel;
Pressure generator is used for producing malleation in pressurized vessel; With
The suction discharge equipment, be used for the mixture of blue-green algae and water being pumped into the described pressurized vessel from containing the blue-green algae water body, so that utilize the interior malleation of pressurized vessel to make the inside and outside formation pressure difference of the blue-green algae body in the pressurized vessel, emit inner gas nuclear thereby the blue-green algae body breaks under described pressure difference effect, and be used for the mixture of break blue-green algae and water is discharged in the pressurized vessel and contain in the blue-green algae water body.
28, the equipment that is used for handling the blue-green algae of water body according to claim 27 is characterized in that, described suction discharge equipment is the suction emptying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101965384A CN101450818A (en) | 2007-11-29 | 2007-11-29 | Method and equipment for processing blue algae in water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101965384A CN101450818A (en) | 2007-11-29 | 2007-11-29 | Method and equipment for processing blue algae in water body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101450818A true CN101450818A (en) | 2009-06-10 |
Family
ID=40733327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101965384A Pending CN101450818A (en) | 2007-11-29 | 2007-11-29 | Method and equipment for processing blue algae in water body |
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| Country | Link |
|---|---|
| CN (1) | CN101450818A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045749A (en) * | 2013-01-11 | 2013-04-17 | 湖南农业大学 | Primer and method for rapidly detecting blue-green algae generating geosmin in water |
| CN104355414A (en) * | 2014-11-28 | 2015-02-18 | 湖南农业大学 | Method for removing cyanobacterial bloom from water body by using macleaya cordata fruit pods |
| CN105271456A (en) * | 2015-11-03 | 2016-01-27 | 王志文 | Pressurization water purifying plant and purifying method thereof |
| CN106517372A (en) * | 2016-11-16 | 2017-03-22 | 无锡德林海环保科技股份有限公司 | Method for preventing and controlling large-scale blooming of blue-green algae in eutrophic water body |
-
2007
- 2007-11-29 CN CNA2007101965384A patent/CN101450818A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045749A (en) * | 2013-01-11 | 2013-04-17 | 湖南农业大学 | Primer and method for rapidly detecting blue-green algae generating geosmin in water |
| CN104355414A (en) * | 2014-11-28 | 2015-02-18 | 湖南农业大学 | Method for removing cyanobacterial bloom from water body by using macleaya cordata fruit pods |
| CN105271456A (en) * | 2015-11-03 | 2016-01-27 | 王志文 | Pressurization water purifying plant and purifying method thereof |
| CN106517372A (en) * | 2016-11-16 | 2017-03-22 | 无锡德林海环保科技股份有限公司 | Method for preventing and controlling large-scale blooming of blue-green algae in eutrophic water body |
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