CN106865640B - Method for improving transparency of landscape water body and water quality purification system - Google Patents
Method for improving transparency of landscape water body and water quality purification system Download PDFInfo
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- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/345—Biological treatment of water, waste water, or sewage characterised by the microorganisms used for biological oxidation or reduction of sulfur compounds
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- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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Abstract
The invention discloses a method for improving the transparency of a landscape water body, which comprises the following steps: preparing coagulant mixed liquor and potassium permanganate compound mixed liquor; the two mixed liquids are added into the purified water area through a transfusion pipeline. The invention discloses a water quality purification system for improving the transparency of a landscape water body, which comprises a controller, a coagulant medicine box, a potassium permanganate compound medicine box, a coagulant stirrer, a potassium permanganate compound stirrer, a metering pump, a regulating valve, a liquid conveying pipe, a nozzle, a water taking pump, a filter, a water taking pipe, a circulating pump, a circulating pipe and a sulfur bacterium microorganism hanging bag, wherein all devices are matched with one another to form an automatic control closed circulation water quality purification system. The invention purifies the polluted landscape water body by using the coagulant mixed liquid and the potassium permanganate compound mixed liquid, can coagulate suspended matters and killed algae in the water body, and then settles, thereby improving the transparency of the landscape water body and establishing a good ecological system of the water body.
Description
Technical Field
The invention relates to a water quality purification method and a water quality purification system, in particular to a method for improving the transparency of a landscape water body and a water quality purification system.
Background
Closed water areas such as residential landscape water bodies, parent water pools, golf water pools, park artificial lakes, natural lakes and the like cause eutrophication of water bodies due to possible reasons such as convergence of domestic wastewater, surface water, agricultural runoff water, accumulation of dead plants (such as fallen leaves and hay), animal corpses and the like with nutritive salts, and metabolism of algae (photosynthesis converts carbon dioxide and water in the air into substances required for growth of algae, and the substances can enter the water bodies as incremental nutritive substances when the algae die), so that water bodies are eutrophicated, the more the nutritive substances are accumulated, the more algae, suspended matters and colloids are heavier, the lower the transparency is, the water quality becomes more and more dirty, and finally serious environmental problems are caused.
In order to remove substances such as algae, suspended matters, colloid and the like, reduce nutritive salt of a water body, improve the transparency of the water body and solve the problem of water quality pollution, a great number of water treatment technologies are developed on the market. For example, a filtering device is used for removing non-aqueous substances such as algae, suspended substances, colloids and the like by a physical method by adopting a reverse osmosis membrane, and the method is not suitable for the treatment of large-area water areas due to the cost and the efficiency; in addition, a plant method is adopted, submerged plants are planted at the bottom of a lake, nutrient salts in a water body are absorbed by the submerged plants, then the plants are harvested manually, and the purpose of removing nutrient substances out of the water body is achieved, and the later maintenance of the method is more; the transparency of the water body can also be improved by adding sterilization and algae-killing medicines into the water body, such as copper sulfate, herbicide and the like or by using an ozone and ultraviolet lamp algae-killing sterilization mode, but the medicines can kill fishes in the water body and even destroy an ecosystem, and the ozone or ultraviolet lamp can destroy the ecosystem and has higher cost; although the treatment method of only adding the microorganisms is beneficial to the establishment of ecological environment, the method has no treatment effect on the algae, but can cause the algae to further grow, simultaneously, the microorganisms lack implantation carriers and are difficult to play, and if the added aerobic microorganisms are added, the microorganisms cannot survive under the anoxic condition.
Therefore, the water transparency can be improved without destroying the precursors of the ecological balance of the water body, the maintenance is less, the cost is low, and the water purification method and the water purification system are ideal choices in the aspect of water landscape water treatment.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a method for improving the transparency of a landscape water body and a water purification system, which can improve the transparency of the water body without destroying the ecological balance of the water body, and which can be maintained at a low cost with less maintenance.
The invention realizes the purpose through the following technical scheme:
a method for improving the transparency of landscape water bodies comprises the following steps:
(1) preparing coagulant mixed liquor and potassium permanganate compound mixed liquor;
(2) the coagulant mixed liquor and the potassium permanganate compound mixed liquor are added into the purified water area through a transfusion pipeline.
Preferably, in the step (1), the water used for preparing the coagulant mixed liquor and the potassium permanganate complex mixed liquor is taken from the water of the purified water area in the step (2) and is filtered or not filtered according to whether particle impurities exist in the water.
Preferably, the coagulant in the coagulant mixed solution is one or a combination of aluminum salt coagulant, iron salt coagulant and cation synthetic macromolecular flocculant.
Preferably, in the step (1), a microbial liquid is added when the coagulant mixed solution is prepared, wherein the microbial liquid is a sulfur bacterial liquid and/or a bacillus bacterial liquid.
Preferably, the preparation method of the potassium permanganate complex in the potassium permanganate complex mixed solution is as follows:
(5.1) dissolving potassium permanganate in water, and then adding nano-scale montmorillonite powder;
(5.2) fully stirring the solution, and filtering out montmorillonite powder;
and (5.3) drying the filtered montmorillonite powder to obtain the potassium permanganate compound.
Further, in order to improve the purification effect, in the step (2), coagulant mixed liquor and potassium permanganate compound mixed liquor are added into the purified water area through a transfusion pipeline in a repeated adding mode, and the specific method comprises the following steps: adding coagulant mixed liquor for a period of time, then adding potassium permanganate compound mixed liquor for a period of time, then adding the mixture for a period of time, and repeating the process in this way.
Further, in order to improve the purification effect, in the step (2), a circulating flow mode is adopted to feed the coagulant mixed liquor and the potassium permanganate compound mixed liquor into the purified water area through a transfusion pipeline, and the specific method is as follows: the solution in the liquid conveying pipeline and the water sucked from the water area to be purified through the water pump are fully mixed to form mixed liquid, and then the mixed liquid is sprayed to the water area to be purified through the nozzle at high pressure.
Further, in order to improve the spraying atomization effect, air is sucked and mixed with the mixed liquid in the process of spraying the mixed liquid at high pressure through the nozzle.
Furthermore, in order to improve the purification effect, in the step (2), the water area to be purified is purified by adopting sulfur bacteria.
A water quality purification system for improving the transparency of landscape water by adopting the method comprises a controller, a coagulant agent box, a potassium permanganate compound agent box, a coagulant agent stirrer, a potassium permanganate compound stirrer, a metering pump, a regulating valve, a perfusion tube, a nozzle, a water taking pump, a filter, a water taking pipe, a circulating pump, a circulating pipe and a sulfur bacterium microorganism hanging bag, wherein coagulant agent mixed liquid is filled in the coagulant agent box, potassium permanganate compound mixed liquid is filled in the potassium permanganate compound agent box, the coagulant agent stirrer is arranged in the coagulant agent box and used for stirring the coagulant agent mixed liquid, the potassium permanganate compound stirrer is arranged in the potassium permanganate compound agent box and used for stirring the potassium permanganate compound mixed liquid, a water inlet of the coagulant agent box and a water inlet of the potassium permanganate compound agent box are both connected with a water outlet of the water taking, the water inlet of the water taking pump is connected with the filter in series through the water taking pipe and then is communicated with a purified water area, the liquid outlet of the coagulant agent box and the liquid outlet of the potassium permanganate compound medicine box are both connected with the liquid inlet of the metering pump, the liquid outlet of the metering pump is connected with the liquid inlet of the nozzle after being connected with the regulating valve in series through the liquid conveying pipe, the air inlet port of the nozzle is connected with one end of an air inlet pipe, the other end of the air inlet pipe is suspended, the water inlet of the nozzle is connected with the water outlet of the circulating pump, the water inlet of the circulating pump is communicated with the purified water area through the circulating pipe, the liquid outlet of the nozzle is positioned in or above the purified water area, and the sulfur bacterium microorganism hanging bag filled with sulfur bacterium liquid is hung in the purified; be equipped with coagulant level sensor in the coagulant medical kit, be equipped with potassium permanganate complex level sensor in the potassium permanganate complex medical kit, coagulant level sensor's signal output part with potassium permanganate complex level sensor's signal output part respectively with the signal input part of controller is connected, the control output part of controller respectively with the control input part of coagulant agitator the control input part of potassium permanganate complex agitator the control input part of metering pump the control input part of water intaking pump with the control input part of circulation pump corresponds the connection.
The invention has the beneficial effects that:
the invention purifies the polluted landscape water body by using the coagulant mixed liquid and the potassium permanganate compound mixed liquid, can coagulate suspended matters and killed algae in the water body, and then settle, thereby improving the transparency of the landscape water body and establishing a good ecological system of the water body; ammonia nitrogen in the water body can be further decomposed through microorganisms, and the transparency of the water body is further improved; the water purification system forms a closed circulation system by recycling the water resource of the purified water area as the water source of the dissolved medicine box without other water resources, and forms an automatic control system by utilizing the controller and related equipment, thereby establishing a water body microorganism self-cleaning ecological system and achieving the purposes of long-term clear water quality and no peculiar color or smell.
Drawings
FIG. 1 is a schematic view of the overall structure of a water purification system for improving the transparency of a landscape water body according to the present invention;
FIG. 2 is a schematic view of the structure of the nozzle of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
for the convenience of understanding, the structure of the water quality purification system for improving the transparency of the landscape water body is specifically described below, and then the method for improving the transparency of the landscape water body is specifically described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the water purification system for improving the transparency of landscape water according to the present invention comprises a controller 11, a coagulant tank 21, a potassium permanganate complex tank 23, a coagulant mixer 22, a potassium permanganate complex mixer 24, a metering pump 25, a regulating valve 26, a perfusion tube 27, a nozzle 29, a water intake pump 31, a filter 32, a water intake pipe 33, a circulation pump 41, a circulation pipe 42 and a sulfur bacteria microorganism hanging bag 51, wherein a coagulant mixed liquid is contained in the coagulant tank 21, a potassium permanganate complex mixed liquid is contained in the potassium permanganate complex tank 23, the coagulant mixer 22 is placed in the coagulant tank 21 and used for stirring the coagulant mixed liquid, the potassium permanganate complex mixer 24 is placed in the potassium permanganate complex tank 23 and used for stirring the potassium permanganate complex mixed liquid, a water inlet of the coagulant tank 21 and a water inlet of the potassium permanganate complex tank 23 are both connected to a water outlet of, the water inlet of the water taking pump 31 is connected with the filter 32 in series through the water taking pipe 33 and then communicated with the purified water area 61, the liquid outlet of the coagulant agent medicine box 21 and the liquid outlet of the potassium permanganate compound medicine box 23 are both connected with the liquid inlet of the metering pump 25, the liquid outlet of the metering pump 25 is connected with the liquid inlet 29a of the nozzle 29 after being connected with the regulating valve 26 in series through the liquid conveying pipe 27, the nozzle 29 is provided with a liquid inlet 29a and an air inlet interface 29c, a water inlet 29b and a liquid outlet 29d, wherein an air inlet port 29c of the nozzle 29 is connected with one end of an air inlet pipe 28, the other end of the air inlet pipe 28 is suspended, a water inlet 29b of the nozzle 29 is connected with a water outlet of a circulating pump 41, a water inlet of the circulating pump 41 is communicated and connected with a purified water area 61 through a circulating pipe 42, the liquid outlet 29d of the nozzle 29 is positioned in or above the purified water area 61, and a sulfur bacterium microorganism hanging bag 51 filled with sulfur bacterium liquid is hung in the purified water area 61; a coagulant liquid level sensor (not shown in the figure, but easy to understand, and conventional liquid level sensor interface is adopted) is arranged in the coagulant medicine box 21, a potassium permanganate compound liquid level sensor (not shown in the figure, but easy to understand, and conventional liquid level sensor interface is adopted) is arranged in the potassium permanganate compound medicine box 23, a signal output end of the coagulant liquid level sensor and a signal output end of the potassium permanganate compound liquid level sensor are respectively connected with a signal input end of the controller 11, and a control output end of the controller 11 is respectively and correspondingly connected with a control input end of the coagulant stirrer 22, a control input end of the potassium permanganate compound stirrer 24, a control input end of the metering pump 25, a control input end of the water taking pump 31 and a control.
With reference to fig. 1 and 2, the method for improving the transparency of the landscape water body according to the present invention comprises the following steps:
(1) preparing coagulant mixed liquor and potassium permanganate compound mixed liquor; wherein, the water used for preparing the coagulant mixed liquor and the potassium permanganate compound mixed liquor is taken from the water in the purified water area 61 in the step (2) and the particulate impurities are filtered by a filter, if the particulate impurities do not exist, the particulate impurities are not filtered, and the purpose of removing the particulate matters is to prevent the pipeline from being blocked or the metering pump 25 from being damaged when the solution is output; the coagulant in the coagulant mixed solution is one or a plurality of compositions of aluminum salt coagulant, iron salt coagulant and cation synthetic macromolecular flocculant, other coagulants can be selected, the dosage of the coagulant in each day is determined according to the volume of the purified water area 61 and is about 0.01g to 0.5g/t.d, and the concentration of the coagulant in each time can be very low because the system is a closed water area and is continuously added; when the coagulant is stirred, adding a microbial liquid which is a sulfur liquid and/or a bacillus liquid, wherein the bacillus is preferably anaerobic or facultative bacillus; the preparation method of the potassium permanganate compound in the potassium permanganate compound mixed solution comprises the following steps:
(5.1) dissolving potassium permanganate in water, and then adding nano-scale montmorillonite powder;
(5.2) fully stirring the solution, and filtering out montmorillonite powder;
(5.3) drying the filtered montmorillonite powder to obtain a potassium permanganate compound;
(2) the coagulant mixed liquor and the potassium permanganate compound mixed liquor are added into the purified water area 61 through a transfusion pipeline in a mode of repeated adding and circulation; the specific method for repeated addition is as follows: adding coagulant mixed liquor for a period of time, then adding potassium permanganate compound mixed liquor for a period of time, then adding the coagulant mixed liquor for a period of time, and repeating the process continuously; the specific method of circulation mode is as follows: the solution in the liquid conveying pipeline is sucked into the metering pump 25, is fully mixed with the water sucked from the purified water area 61 through the circulating pump 41 to form mixed liquid, then is sprayed into the purified water area 61 through the nozzle 29 at high pressure, and air is sucked into the mixed liquid through the air inlet pipe 28 and is mixed with the mixed liquid in the process of spraying the mixed liquid through the nozzle 29 at high pressure, so that the mixed liquid can be conveyed to a remote water area, and the water pump used by the circulating pump 4 can be an onshore pump and a submersible pump, preferably a submersible pump; the water area 61 to be purified is also purified by sulfur bacteria in the sulfur bacteria microorganism hanging bag 51.
The potassium permanganate compound mixed solution has the following effects: on one hand, the coagulation aid effect of potassium permanganate can be utilized, and on the other hand, the potassium permanganate has strong oxidizing property and can kill algae and reduce ammonia nitrogen. Montmorillonite in the potassium permanganate compound can slowly release potassium permanganate, so that the algae killing effect is improved; the montmorillonite particles are preferably nano-sized, have good dispersibility and suspension property, are beneficial to interacting with a coagulant and improving the coagulation effect; montmorillonite is also very beneficial to the implantation of microorganisms thereon, and the efficiency of the microorganisms is improved. In the potassium permanganate complex, the potassium permanganate content is preferably 0.5%; the dosage of the potassium permanganate compound is preferably 0.1-0.5 g/t.d.
The above repeated addition is more preferably in the following manner: 1. adding coagulant for 30-50 minutes, and adding potassium permanganate compound for 30-50 minutes and 4-10 minutes at intervals of 5-10 minutes at intervals of 2-10 minutes. The above steps 1 to 4 are repeated.
The coagulant and the potassium permanganate compound are added through a metering pump 25, one metering pump 25 can be added to one dissolving medicine box, and the solutions of the two medicine boxes can be added through one metering pump 25 to reduce the cost or the equipment volume.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (7)
1. A method for improving the transparency of landscape water bodies is characterized by comprising the following steps: the method comprises the following steps:
(1) preparing coagulant mixed liquor and potassium permanganate compound mixed liquor;
(2) the coagulant mixed solution and the potassium permanganate compound mixed solution are added into a purified water area through a transfusion pipeline;
in the step (1), adding a microbial liquid when preparing coagulant mixed liquid, wherein the microbial liquid is sulfur bacterial liquid and/or bacillus bacterial liquid;
the preparation method of the potassium permanganate compound in the potassium permanganate compound mixed solution comprises the following steps:
(5.1) dissolving potassium permanganate in water, and then adding nano-scale montmorillonite powder;
(5.2) fully stirring the solution, and filtering out montmorillonite powder;
(5.3) drying the filtered montmorillonite powder to obtain a potassium permanganate compound;
in the step (2), coagulant mixed liquor and potassium permanganate compound mixed liquor are added into the purified water area through a transfusion pipeline in a repeated adding mode, and the specific method is as follows: adding coagulant mixed liquor for a period of time, then adding potassium permanganate compound mixed liquor for a period of time, then adding the mixture for a period of time, and repeating the process in this way.
2. The method for improving the transparency of the landscape water body according to claim 1, wherein: in the step (1), the water for preparing the coagulant mixed liquor and the potassium permanganate compound mixed liquor is taken from the water in the purified water area in the step (2) and is filtered or not filtered according to whether particle impurities exist in the water.
3. The method for improving the transparency of the landscape water body according to claim 1, wherein: the coagulant in the coagulant mixed solution is one or a combination of an aluminum salt coagulant, an iron salt coagulant and a cation synthetic macromolecular flocculant.
4. The method for improving the transparency of the landscape water body according to claim 1, wherein: in the step (2), coagulant mixed liquor and potassium permanganate compound mixed liquor are added into a purified water area through a transfusion pipeline in a circulation mode, and the specific method is as follows: the solution in the liquid conveying pipeline and the water sucked from the water area to be purified through the water pump are fully mixed to form mixed liquid, and then the mixed liquid is sprayed to the water area to be purified through the nozzle at high pressure.
5. The method for improving the transparency of the landscape water body according to claim 4, wherein: the air is also sucked and mixed with the mixed liquid in the process of spraying the mixed liquid through the nozzle at high pressure.
6. The method for improving the transparency of the landscape water body according to claim 1, wherein: and (2) purifying the water area to be purified by adopting laetiporus sulphureus.
7. A water purification system for improving the transparency of a landscape water body by using the method of any one of claims 1 to 6, characterized in that: comprises a controller, a coagulant medicine box, a potassium permanganate compound medicine box, a coagulant stirrer, a potassium permanganate compound stirrer, a metering pump, a regulating valve, a perfusion tube, a nozzle, a water taking pump, a filter, a water taking pipe, a circulation pump, a circulation tube and a sulfur bacterium microorganism hanging bag, wherein coagulant mixed liquid is filled in the coagulant medicine box, potassium permanganate compound mixed liquid is filled in the potassium permanganate compound medicine box, the coagulant stirrer is arranged in the coagulant medicine box and used for stirring the coagulant mixed liquid, the potassium permanganate compound stirrer is arranged in the potassium permanganate compound medicine box and used for stirring the potassium permanganate compound mixed liquid, a water inlet of the coagulant medicine box and a water inlet of the potassium permanganate compound medicine box are both connected with a water outlet of the water taking pump, a water inlet of the water taking pump is communicated with a purified water area after being connected with the filter in series through, the liquid outlet of the coagulant agent box and the liquid outlet of the potassium permanganate compound medicine box are both connected with the liquid inlet of the metering pump, the liquid outlet of the metering pump is connected with the liquid inlet of the nozzle after being connected with the regulating valve in series through the liquid conveying pipe, the air inlet port of the nozzle is connected with one end of an air inlet pipe, the other end of the air inlet pipe is suspended, the water inlet of the nozzle is connected with the water outlet of the circulating pump, the water inlet of the circulating pump is communicated and connected with the purified water area through the circulating pipe, the liquid outlet of the nozzle is positioned in or above the purified water area, and the sulfur bacterium microorganism hanging bag filled with sulfur bacterium liquid is hung in the purified water area; be equipped with coagulant level sensor in the coagulant medical kit, be equipped with potassium permanganate complex level sensor in the potassium permanganate complex medical kit, coagulant level sensor's signal output part with potassium permanganate complex level sensor's signal output part respectively with the signal input part of controller is connected, the control output part of controller respectively with the control input part of coagulant agitator the control input part of potassium permanganate complex agitator the control input part of metering pump the control input part of water intaking pump with the control input part of circulation pump corresponds the connection.
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| CN112499895A (en) * | 2020-11-20 | 2021-03-16 | 佛山市三水雄鹰铝表面技术创新中心有限公司 | Circulation system for repairing closed landscape water body by using ammonium vanadium recovered from anodic oxidation waste acid |
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| CN102008937A (en) * | 2010-09-30 | 2011-04-13 | 西北师范大学 | Permanganate/montmorillonite nano composite material as well as preparation method and application thereof |
| CN102701345A (en) * | 2012-05-21 | 2012-10-03 | 中国科学院生态环境研究中心 | Preoxidation-coagulation algae removing method based on in-situ generation of double coagulants |
| CN205380002U (en) * | 2015-12-30 | 2016-07-13 | 天津市雷鸣生态科技有限公司 | Medicament sprinkler is administered in river lake |
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