CN1712646A - Lake purification system for controlling algae growth effectively and method thereof - Google Patents
Lake purification system for controlling algae growth effectively and method thereof Download PDFInfo
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- CN1712646A CN1712646A CNA200510085559XA CN200510085559A CN1712646A CN 1712646 A CN1712646 A CN 1712646A CN A200510085559X A CNA200510085559X A CN A200510085559XA CN 200510085559 A CN200510085559 A CN 200510085559A CN 1712646 A CN1712646 A CN 1712646A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention is about a system unit for treating the lake water and controlling the growth of the alga. The unit includes the inlet pool, the discharge bay and the filter layer. The method is to adjust the pH using the CO2 to inhibit the growth of the alga. The unit has the high overflow and stable structure.
Description
Technical field
The present invention relates to a kind ofly purify lake water, effectively control the system unit and the usage of algal grown in the water.
Background technology
Water is Source of life, is the primary condition that the mankind depend on for existence, is the valuable source of socio-economic development.On June 5th, 2003, the 31st World Environment Day, United Nations Environment Programme is defined as theme " water-human life's direct bearing ".The people of whole world concern for the environment invest sight the close relationship of " people and water ".
China's water resource per capita is one of 13 minimum in the world countries.In 660 cities above county level, the whole nation, shortage of water resources more than 400 city just arranged.
The lake is maximum fresh water watering, but the lake that present China is in different eutrophic states is up to 85%, and lake eutrophication especially blue-green alga bloom breaks out, and has aggravated the situation of China's water quality lack of water, threaten drinking water supply, seriously restricted China's economic construction and social development.
Eutrophication is a global difficult problem, is presented as that mainly indexs such as the central nitrogen of water body, phosphorus are higher, and it can cause water body variations such as transparency reduces, the unusual breeding of algae to occur, influences the ecological environment of water body, and finally influences the survival in lake.
On " the Hangzhou environmental aspect communique in 2002 " of Hangzhou issue, description to West Lake water quality is: " lake region, West Lake water quality is overall to keep stable; many indexs such as permanganate index, total phosphorus reach four class water quality standard; but that lake region total nitrogen, chlorophyll a exceed standard is heavier, still is in eutrophic state.Article 4, go into streams, lake water quality and be and surpass five classes, the water quality index lifting appears alternatively.Index exceeding standard such as total nitrogen, excrement colibacillus group is serious.Though cut dirt, draw water distribution and other a series of comprehensive improvement measures through bed mud dredging, ring lake, delayed the process of lake water eutrophication, West Lake water quality is not seen the trend that is clearly better yet.”
Taihu Lake is a jewel that is embedded on the Yangtze River Delta, is the symbol in the beautiful south of the River.More than 3,000 ten thousand residents along the lake are many to be the drinking water source with the TAIHU LAKE, and wherein the life in Suzhou, two cities, Wuxi, industrial water 80% are taken from Taihu Lake, but Taihu Lake of today water quality obviously descends.Country makes a decision sincerely for smelting reason Taihu Lake, wishes to develop the new and high technology of administering the TAIHU LAKE environment by implementing a kind of like this act of state of major scientific and technological project, sets up and pollutes the control demonstration project, for China's lake water environment treatment provides scientific basis.For this reason, the owner of the Department of Science and Technology and corresponding establishment-Wuxi City Taihu Lake lake treatment Co., Ltd has organized more than 200 expert of domestic more than 30 tame scientific research institutions, institution of higher learning to tackle key problems jointly by bid, plan every performance assessment criteria, really explore a new mechanism, new model for China's lake water environment treatment with the time finished item in about 3 years.
In Dian Chi, Kunming, Yunnan Province, contaminated lake water is pitch-dark rancid, and is nauseating.Be listed in the whole nation " three rivers, three lakes " in Dian Chi improvement and administer one of emphasis, dropped into more than 30 hundred million of pollution treatment funds and finished after the phase I improvement, still have thick blue-green algae to float on the surface in the water of Dian Chi, the smell of lake water still makes us suffocating.
Unquestionable, purification lake water also is used, and concerning us, is an extremely urgent and problem demanding prompt solution.
Application number is that " 03123273.6 ", denomination of invention are the application for a patent for invention of " the underground water converter that is used for integrated water route ", the pH value that available carbon dioxide changes lake water is proposed, to stop the growth of lake water green algae, promote the growth of diatom, but disclosed application documents do not illustrate how to implement.
Summary of the invention
The purpose of this invention is to provide and a kind ofly purify lake water, effectively control the system unit and the usage of algal grown in the water.
System unit of the present invention comprises:
Intake pool 1, by the discharge bay 2 that is connected with intake pool 1 of water inlet webmaster 8;
Intake pool 1 top is provided with a gas, water mixing device 5 and is fixed on water pump water pipe 3 and air inlet pipe 4 in the gas, water mixing device 5;
Be provided with filtration beds in the discharge bay 2, filtration beds is arranged with following order from top to bottom: coarse filtration material layer 11 → middle filtering material layer 12 → thin filtering material layer 13 → middle filtering material layer 14 → coarse filtration material layer 15;
In the filtration beds of discharge bay 2 bottoms, be provided with into water webmaster 8; Hole 6, one ends that water inlet webmaster 8 passes the discharge bay pool wall enter in the intake pool 1, and intake pool 1 is connected with discharge bay 2; The part of water inlet webmaster 8 in discharge bay is furnished with hole 18, port sealing on the tube wall;
In the filtration beds of discharge bay 2 the superiors, be provided with water outlet webmaster 9, be evenly equipped with hole on the tube wall of water outlet webmaster 9; The both sides port all seals;
On the top filtration beds of discharge bay 2, cover a sealing plate 17, water pump water pipe 10 passes sealing plate 17, is connected with water outlet webmaster 9;
On the inwall of discharge bay 2, the corresponding deflector 7 that is provided with each filtration beds.
But square, cuboid, semicircular body, cone or the prismatoid of the shape lower openings of gas, water mixing device 5, it is fixed on the wall of intake pool and opening is buckled in the water down.
Water pump water pipe 3 and air inlet pipe are fixed in gas, the water mixing device 5 by fixing card 20, and the outlet of water pump water pipe 3 is provided with spray equipment 19.
Be separated by with comb net 16 between each filtration beds, the filtering material of different layers can not mixed mutually.
Filtering material can be quartz sand, magnetic iron ore, manganese sand, haydite, shell, active carbon, zeolite, medical stone, fibrous nodules, stone, sand, glass; Filtering material in the thin filtering material layer can also be screen cloth, screen pack, filter paper, guipure, nonwoven, filter cloth.
Filtering material particle size diameter in the coarse filtration material layer is 2-20cm; Filtering material in the middle filtering material layer is the 2-100 order; Filtering material is the 40-500 order in the thin filtering material layer.
Filtering material particle size diameter in the coarse filtration material layer is preferably the 2-4 centimetre; Filtering material in the middle filtering material layer is preferably the 30-80 order; Filtering material in the thin filtering material layer is preferably the 150-200 order.
For a change filter effect in carse, medium and small each filtering material layer, can be separated into multilayer with the comb net respectively again, can be divided into the 2-10 layer.
The diameter of hole is 1-3cm on the water-in and water-out webmaster wall.
Deflector is arranged on around the inwall of discharge bay, and its shape is identical with the shape of discharge bay inside and outside wall, and width is equal to or greater than 1 centimetre, and thickness is 0.1-3 centimetre; Be located in the middle filtering material of each filtration beds.
On the discharge bay lateral wall, be provided with preformed hole with respect to each filtration beds, the hole is provided with seal cover.
When purifying lake water, with in the gas of water pump by water pump water pipe 3 suction intake pools 1 top, the water mixing device 5, the mist supercharging with CO2 or CO2 and O2 simultaneously also enters in gas, the water mixing device 5 by air inlet pipe 4 with lake water, and water carries out pressure with gas to be mixed; The amount of control water and gas transfers to 4-7 with the pH value of entering lake water, is preferably 5.0-6;
The lake water that regulates pH value enters the discharge bay 2 that is negative pressure state by water inlet webmaster 8; Water enters behind the discharge bay 2 and flows upward fast, through carse, medium and small, in, the coarse filtration material layer is purified, pump from the water pump water pipe 10 that is connected with water outlet webmaster 9 at last.
When the filtering material in the filtration beds in the lake water disinfection process, when having a certain amount of dirt, can in intake pool under the anhydrous state, water be entered from discharge bay, filtration beds is carried out backwash, dirt takes out after being rushed in intake pool.Also can open the seal cover 21 of discharge bay outside pool wall, filtering material is taken out, clean or change the back and fill.
According to the needs of water amount, can set up a plurality of system units of the present invention.
Can select metal (as iron plate), plastics, glass, cement etc. for use into and out of the pond material therefor in the system unit of the present invention.
Carbon dioxide of the present invention can be used industrial waste gas.
Among the present invention, the mode that water enters can enter or build the pool wall that is lower than the pool outer water plane with water pump flows into water naturally; The mode that gas enters can supercharging enters or transforms natures by other states and enters (solid-state or liquid convert gaseous).
Filtration beds of the present invention can increase the number of plies as required, and principle is that the filter grain granularity of filtering layer puts in order is from big to small earlier, more from small to large, can be arranged as thick, thin, thick; Thick slightly,, in thin, thin, in thin, in thick, thick; Thick slightly,, in thin, thin, in thin, thin, in thin, in thick, thick or the like.Carse, medium and small, in, thick granularity structure arranged.
Contaminated lake water pH value increases to 8-9, and we find the pH value of lake water was adjusted to less than 7 o'clock, can stop the growth of indigo plant, green alga, and the growth of suitable diatom.So the present invention adopts CO2 to regulate pH value and arrives less than 7; Make lake water after the purification be unfavorable for the growth of indigo plant, green alga; The present invention is provided with deflector at the discharge bay inwall, has prevented the effluent short circuit; Being added with the net of combing between each filtration beds and isolating, having stoped flowing mutually and passing through of different grain size sand between each filtering layer, stone, making the native system Stability Analysis of Structures, can recycle, and make native system backwash easily, the dirt that stays when regularly taking filtered water away; Utilize uniform pertusate webmaster on the tube wall that is embedded in the coarse filtration layer when water inlet of the present invention and water outlet, improved water amount greatly.
The present invention has overcome existing shortcoming in the prior art, the concrete advantage applies of the present invention following several aspect:
Structural safety of the present invention is stable, is separated by with the comb net between the filtration beds, and large tracts of land is used for a long time; Structure of the present invention helps backwash, so the dirt that stays during cleaning water rapidly and thoroughly; The present invention utilizes gas, water mixing device input carbon dioxide to be dissolved in contaminated lake water, contains the growth of blue-green alge by the pH value of regulating water; Filtration beds of the present invention at first is set to the coarse filtration material layer, makes to enter the discharge bay rapid stream by intake pool and obtain shunting decompression at the coarse filtration layer, and pressure is evenly distributed on the every bit of filtering material, has avoided the partial penetration short-circuit state; The water-in and water-out webmaster that the present invention utilizes in the filtration beds and buried can be quicker, and water conservancy diversion makes water pass through filtration beds uniformly, and the pressure balance of filtration beds every bit; Structure of the present invention can be regulated the number of filtration beds, the big flood and the number of system unit as required, reaches the size of filtering material order number, particle; Because of being negative pressure state in the exhalant canal, improved water amount greatly; Therefore structure of the present invention can build bigger or littler group of system, parallel operation because the deflector on the pool wall is embedded in the middle of the filtration beds.Cost of the present invention is low, and project organization is convenient to later maintenance, has significantly reduced wasting of resources problem.
Description of drawings
Fig. 1: a kind of purification lake water, effectively control system unit schematic diagram 1 intake pool 2 discharge baies 3 water pump water pipes 4 air inlet pipe 5 gas of algal grown in the water, on the water mixing device 6 discharge bay pool walls with the corresponding hole of water inlet webmaster 7 deflectors 8 water inlet webmasters 9 water outlet webmasters 10 water pump water pipes 11 coarse filtration material layers 12 in filtering material layer 15 coarse filtration material layers 16 comb nets 17 sealing plates 18 holes 19 spray equipments 20 fixing 21 seal covers that block in the filtering material layer 13 thin filtering material layers 14
Fig. 2: on the pertusate water outlet pool wall schematic diagram 7 deflectors 6 discharge bay pool walls with water inlet webmaster corresponding hole
Fig. 3: discharge bay inwall schematic diagram 7 deflectors
Fig. 4: water inlet webmaster signal Figure 18 hole
Set forth the specific embodiment of the invention below in conjunction with accompanying drawing.
The specific embodiment
In following examples, it is 1 centimetre iron plate that intake pool, discharge bay, deflector, sealing plate, gas, water mixing device material therefor are the thickness of making waterproofing work, and the water-in and water-out webmaster is an iron pipe.
The connection of parts described in following examples is carried out with solder technology commonly used.
In following examples, the quantity that is provided with of water-in and water-out webmaster equates.
Embodiment one
At southwest, limit, Dian Chi bank, build 10 system units of the present invention as shown in Figure 1.
Each system unit intake pool 1, discharge bay 2 be that 4 meters, floor space are 4 meters * 12 meters deeply;
3 meters, intake pool 1 top are fixed with as shown in Figure 4 gas, water mixing device 5, and Open Side Down and be positioned at below the liquid level for gas, water mixing device 5, and its specification is a square, and 1.5 meters of the length of sides are high 80 centimetres.
Each filtration beds height equates that height overall is 1.5 meters, fills filtering material to be: coarse filtration material layer 11,15 is that the haydite of 2cm-4cm, middle filtering material layer 12,14 are granularity 170 purpose river sands for granularity 40 purpose river sands, thin filtering material layer 13 for particle size diameter; Be stamped sealing plate 17 on the uppermost filtration beds;
Water inlet webmaster 8 has four respectively, also is embedded in respectively in the coarse filtration material layer 11,15 with water outlet webmaster 9, and the water-in and water-out webmaster is the iron pipe of diameter 20cm, gets out the hole of 1 centimetre of diameter on the pipe, and the hole spacing is 5 centimetres;
The water pump water pipe passes sealing plate and is connected with the water outlet webmaster is corresponding, and for sealing discharge bay fully, water pump water pipe and sealing plate connected mode are seal weldings;
The lower end of discharge bay and intake pool adjacent wall on average has the hole 6 of 20.5 centimetres of 4 diameters, and is corresponding with water inlet webmaster 8 nozzle diameter sizes and webmaster quantity.
When purifying lake water, lake water is entered in the gas, water mixing device 5 of intake pool 1 top by water pump water pipe 3 with water pump, the mist supercharging with CO2 or CO2 and O2 simultaneously also enters gas, water mixing device 5 by air inlet pipe 4, carries out pressure and mixes; Fixing card 20 is fixed on water pump water pipe 3 and air inlet pipe 4 in gas, the water mixing device 5, regulates the pH value of water by the control water and the inflow of carbon dioxide, and pressure carbon dioxide is that 10PMa imports, and lake water is 40 cubic metres of flows per hour.
The lake water that regulates pH value enters the discharge bay 2 that is negative pressure state by water inlet webmaster 8; Water enters behind the discharge bay 2 and flows upward fast, through thick 11, in 12, thin by 13, in 14, coarse filtration material layer 15 is purified, pump by water pump water pipe 10 at last.
In the present embodiment, the CO2 that one ton of water needs 1 kilogram of purity 96% produces a kiloton clear water daily, and the pH value that purifies back water is 6, has avoided the breeding of blue-green algae in water, plants planting submerged plant, has recovered the ecology of Dian Chi.
Embodiment two
At southwest, limit, Dian Chi bank, build 10 system units of the present invention as shown in Figure 1.
Each system unit intake pool 1, discharge bay 2 be that 4 meters, floor space are 7 meters * 9 meters deeply;
2 meters, intake pool 1 top are fixed with gas, water mixing device 5, and Open Side Down and be positioned at below the liquid level for gas, water mixing device, and its specification is semicircle, one meter in diameter;
Each filtration beds height does not wait, respectively 0.5 meter on coarse filtration layer, 0.2 meter of middle filtration beds, 0.25 meter of thin filtration beds;
The filling filtering material is: coarse filtration material layer 11,15 is that the haydite of 3-5cm, middle filtering material layer 12,14 are granularity 180 purpose river sands for granularity 50 purpose river sands, thin filtering material layer 13 for particle size diameter;
Be stamped sealing plate 17 on the uppermost filtration beds, for sealing discharge bay fully, with water pump water pipe 10 connected modes are seal weldings;
Water inlet webmaster 8 is respectively equipped with 6 with water outlet webmaster 9, and is embedded in respectively in the coarse filtration material layer, and the water-in and water-out webmaster is the iron pipe of diameter 30cm, gets out the hole 18 of 1.5 centimetres of diameters on the pipe, and the hole spacing is 9 centimetres,
The lower end of discharge bay and intake pool adjacent wall on average has the hole 6 of 30.5 centimetres of 6 diameters, and is corresponding with water inlet webmaster nozzle diameter size and webmaster quantity.
With the lake water of required purification with water pump per hour 55 tons suck in aqueous vapor, the water mixing device, simultaneously with carbon dioxide by being pressurized to 10PMa, also enter in gas, the water mixing device, gas mixes in gas, water mixing device internal pressure with water, regulates the pH value of water by the inflow of control water and carbon dioxide.
In the present embodiment, one ton of water needs 1.1 kilograms of purity 92% left and right sides CO2, produces about 1300 tons of clear water daily, and the pH value that purifies back water is 5.3, avoids the breeding of blue-green algae in water, plants planting submerged plant, has recovered the ecology of Dian Chi.
Embodiment three
At southwest, limit, Dian Chi bank, build 10 system units of the present invention as shown in Figure 1.
Each system unit intake pool 1, discharge bay 2 be that 4 meters, floor space are 4 meters * 10 meters deeply;
0.5 meter, intake pool 1 top is fixed with gas, water mixing device 5, and Open Side Down and be positioned at below the liquid level for gas, water mixing device 5, and it is trapezoidal, 1.5 meters of bottom side lengths, 1 meter of the last length of side, high 75 centimetres.
Each filtration beds height is respectively: coarse filtration material layer 11,15 is that 40 centimetres, middle filtering material layer 12,14 are that 15 centimetres, thin filtering material layer 13 are 12 centimetres;
The filling filtering material is: coarse filtration material layer 11,15 is granularity 150 purpose river sands for the haydite of particle size diameter 5cm-8cm, middle filtering material layer 12,14 for granularity 30 purpose river sands, thin filtering material layer 13;
Water inlet webmaster 8, water outlet webmaster 9 are embedded in respectively in the coarse filtration material layer 11,15, and the water-in and water-out webmaster is the iron pipe of diameter 15cm, gets out the hole 18 of 1.2 centimetres of diameters on the pipe, and the hole spacing is 8 centimetres;
The lower end of discharge bay 2 and intake pool 1 adjacent wall on average has the hole 6 of 15.5 centimetres of 4 diameters, and is corresponding with water inlet webmaster 8 nozzle diameter sizes and webmaster quantity.
With the lake water of required purification with water pump per hour 25 tons suck in aqueous vapor, the water mixing device 5, simultaneously with carbon dioxide by being pressurized to 4PMa, also enter in gas, the water mixing device, gas mixes in gas, water mixing device internal pressure with water, regulates the pH value of water by the inflow of control water and carbon dioxide.
In the present embodiment, the CO2 that one ton of water needs 1.5 kilograms of purity 80% produces 600 tons of clear water daily, and the pH value that purifies back water is 6.7, has avoided the breeding of blue-green algae in water, plants planting submerged plant, has recovered the ecology of Dian Chi.
Embodiment four
Build 10 system units of the present invention on the limit, Dian Chi.
Each system unit intake pool 1, discharge bay 2 be that 4 meters, floor space are 10 meters * 20 meters deeply.1 meter, intake pool top is fixed with gas, water mixing device 5, and Open Side Down and be positioned at below the liquid level for gas, water mixing device 5, and it be an ellipse, and one meter in diameter is high 1 meter;
Each filtration beds height does not wait, respectively 0.6 meter on coarse filtration layer, 0.2 meter of middle filtration beds, 0.15 meter of thin filtration beds;
The filling filtering material is: coarse filtration material layer 11,15 is granularity 200 purpose river sands for the haydite of particle size diameter 4-7cm, middle filtering material layer 12,14 for granularity 70 purpose river sands, thin filtering material layer 13;
Water inlet webmaster 8, water outlet webmaster 9 are embedded in respectively in the coarse filtration material layer, and the water-in and water-out webmaster is the iron pipe of diameter 50cm, gets out the hole 18 of 2 centimetres of diameters on the pipe, and the hole spacing is 10 centimetres;
The lower end of discharge bay and intake pool adjacent wall on average has the hole 6 of 50.5 centimetres of 4 diameters, and is corresponding with water inlet webmaster nozzle diameter size and webmaster quantity.
With the lake water of required purification with water pump per hour 85 tons suck in aqueous vapor, the water mixing device 5, simultaneously with carbon dioxide by being pressurized to 15PMa, also enter in gas, the water mixing device 5, gas mixes in gas, water mixing device internal pressure with water, regulates the pH value of water by the inflow of control water and carbon dioxide.
In the present embodiment, one ton of water needs 1 kilogram of purity 95% left and right sides CO2, produces about 2000 tons of clear water daily, and the pH value that purifies back water is 5.8, avoids the breeding of blue-green algae in water, plants planting submerged plant, has recovered the ecology of Dian Chi.
Embodiment five
At southwest, limit, Dian Chi bank, build 10 system units of the present invention as shown in Figure 1.
Each system unit intake pool 1, discharge bay 2 be that 4 meters, floor space are 4 meters * 12 meters deeply;
3 meters, intake pool 1 top are fixed with as shown in Figure 4 gas, water mixing device 5, and Open Side Down and be positioned at below the liquid level for gas, water mixing device 5, and its specification is a square, and 1.5 meters of the length of sides are high 80 centimetres.
Each filtration beds height equates, height overall is 1.5 meters, fills filtering material to be: coarse filtration material layer 11,15 is that the haydite of 18cm-20cm, middle filtering material layer 12,14 are granularity 500 purpose river sands for granularity 100 purpose river sands, thin filtering material layer 13 for particle size diameter;
Be stamped sealing plate 17 on the uppermost filtration beds, for sealing discharge bay fully, with water pump water pipe connected mode be seal welding;
Water inlet webmaster 8, water outlet webmaster 9 are embedded in respectively in the coarse filtration material layer 11,15, and the water-in and water-out webmaster is the iron pipe of diameter 20cm, gets out the hole 18 of 3 centimetres of diameters on the pipe, and the hole spacing is 10 centimetres;
The lower end of the adjacent wall of discharge bay 2 and intake pool 1 on average has the hole 6 of 20.5 centimetres of 4 diameters, and is corresponding with water inlet webmaster 8 nozzle diameter sizes and webmaster quantity.
When purifying lake water, lake water is entered in the gas, water mixing device 5 of intake pool 1 top by water pump water pipe 3 with water pump, the mist supercharging with CO2 or CO2 and O2 simultaneously also enters gas, water mixing device 5 by air inlet pipe 4, carries out pressure and mixes; Regulate the pH value of water by the inflow of control water and carbon dioxide, pressure carbon dioxide is that 10PMa imports, and lake water is 40 cubic metres of flows per hour.
The lake water that regulates pH value enters the discharge bay 2 that is negative pressure state by water inlet webmaster 8; Water enters behind the discharge bay 2 and flows upward fast, through thick 11, in 12, thin by 13, in 14, coarse filtration material layer 15 is purified, pump from water outlet webmaster 9 at last.
In the present embodiment, the CO2 that one ton of water needs 1 kilogram of purity 96% produces a kiloton clear water daily, and the pH value that purifies back water is 6, has avoided the breeding of blue-green algae in water, plants planting submerged plant, has recovered the ecology of Dian Chi.
Embodiment six
At southwest, limit, Dian Chi bank, build 10 system units of the present invention as shown in Figure 1.
Each system unit intake pool 1, discharge bay 2 be that 4 meters, floor space are 4 meters * 12 meters deeply;
1 meter, intake pool 1 top is fixed with as shown in Figure 4 gas, water mixing device 5, and Open Side Down and be positioned at below the liquid level for gas, water mixing device 5, and its specification is a square, and 1.5 meters of the length of sides are high 80 centimetres.Material is the PPR plastics;
Each filtration beds height equates that height overall is 1.5 meters, fills filtering material to be: coarse filtration material layer 11,15 is that the haydite of 2cm-4cm, middle filtering material layer 12,14 are granularity 200 purpose river sands for granularity 30 purpose river sands, thin filtering material layer 13 for particle size diameter;
Be stamped sealing plate 17 on the uppermost filtration beds, for sealing discharge bay fully, with water pump water pipe 10 connected modes are seal weldings;
Water inlet webmaster 8, water outlet webmaster 9 are embedded in respectively in the coarse filtration material layer 11,15, and the water-in and water-out webmaster is the iron pipe of diameter 20cm, gets out the hole 18 of 2 centimetres of diameters on the pipe, and the hole spacing is 5 centimetres,
The lower end of discharge bay 2 and intake pool 1 adjacent wall on average has the hole 6 of 20.5 centimetres of 4 diameters, and is corresponding with water inlet webmaster 8 nozzle diameter sizes and webmaster quantity.
When purifying lake water, lake water is entered in the gas, water mixing device 5 of intake pool 1 top by water pump water pipe 3 with water pump, the mist supercharging with CO2 or CO2 and O2 simultaneously also enters gas, water mixing device 5 by air inlet pipe 4, carries out pressure and mixes; Regulate the pH value of water by the inflow of control water and carbon dioxide, pressure carbon dioxide is that 10PMa imports, and lake water is 40 cubic metres of flows per hour.
The lake water that regulates pH value enters the discharge bay 2 that is negative pressure state by water inlet webmaster 8; Water enters behind the discharge bay 2 and flows upward fast, through thick 11, in 12, thin by 13, in 14, coarse filtration material layer 15 is purified, pump from water outlet webmaster 9 at last.
In the present embodiment, the CO2 that one ton of water needs 1 kilogram of purity 96% produces a kiloton clear water daily, and the pH value that purifies back water is 6, has avoided the breeding of blue-green algae in water, plants planting submerged plant, has recovered the ecology of Dian Chi.
Embodiment seven
Build 10 system units of the present invention on the limit, Dian Chi.
Each system unit intake pool 1, discharge bay 2 be that 4 meters, floor space are 10 meters * 20 meters deeply.1 meter, intake pool 1 top is fixed with gas, water mixing device 5, and Open Side Down and be positioned at below the liquid level for gas, water mixing device 5, and it is oval, and one meter in diameter is high 1 meter;
Each filtration beds height does not wait, respectively 0.6 meter on coarse filtration layer, 0.2 meter of middle filtration beds, 0.05 meter of thin filtration beds;
The filling filtering material is: coarse filtration material layer 11,15 is granularity 200 purpose nonwoven for the haydite of particle size diameter 4-7cm, middle filtering material layer 12,14 for granularity 70 purpose river sands, thin filtering material layer;
Water inlet webmaster 8, water outlet webmaster 9 are embedded in respectively in the coarse filtration material layer, and the water-in and water-out webmaster is the iron pipe of diameter 50cm, gets out the hole 18 of 2 centimetres of diameters on the pipe, and the hole spacing is 10 centimetres;
The lower end of discharge bay 2 and intake pool 1 adjacent wall on average has the hole 6 of 50.5 centimetres of 4 diameters, and is corresponding with water inlet webmaster 9 nozzle diameter sizes and webmaster quantity.
With the lake water of required purification with water pump per hour 85 tons suck in aqueous vapor, the water mixing device, simultaneously with carbon dioxide by being pressurized to 15PMa, also enter in gas, the water mixing device, gas mixes in gas, water mixing device internal pressure with water, regulates the pH value of water by the inflow of control water and carbon dioxide.
In the present embodiment, one ton of water needs 1 kilogram of purity 95% left and right sides CO2, produces about 2000 tons of clear water daily, and the pH value that purifies back water is 5.8, avoids the breeding of blue-green algae in water, plants planting submerged plant, has recovered the ecology of Dian Chi.
Experimental result is as follows: (by the check of Yunnan Province's Environmental Monitoring central station)
1 experimental data result, wherein the 1# sample is for implementing the water after the processing in one, and the 2# sample is a underground water in the cement plant, and the 3# sample is Dian Chi Yuan Shui.
2 draw by examining report: contained following material in the 1# sample: cyanide, chloride, sulfate radical, total arsenic.Its index and 3# sample do not have significant change.
3 draw by examining report: total chromium, copper, lead, zinc, cadmium, iron, manganese, selenium do not have significant change in the 1# sample.
4 draw by examining report: benzene hexachloride (BHC), DDT, Bravo, ammonia nitrogen, volatile phenol, total hardness, anionic detergent do not have significant change in the 3# sample in the 1# sample.
5 draw by examining report: suspension reduces to (4.0 by 27.2 of 3# sample in the 1# sample.Turbidity has 2.0 of 3# sample to reduce to 0.5.Colourity has 20 times of the 3# sample to reduce to 5 times, and nitrate anion will be 3.19 by 18.1 of 3# sample.Chlorophyll A has 141.1 of 3# sample to be reduced to 1.64.Permanganate index has 16.11 of 3# sample to reduce to 8.01.
6 petroleum-type have 0.034 of 3# to rise to 0.053.Analysis is because experiment is used due to the pollution of pond (sewage reservoir in the former cement plant).
7 show according to water environment quality standard (GB3838-2002) result of the test, and Dian Chi water can be used as fully and views and admires water after this improvement method is administered.
Attached: material therefor manufacturer among the embodiment:
Water pump: go up marine really pump valve Manufacturing Co., Ltd
Air inlet pipe is: the common Guan Ye in Chengdu company
Used iron plate: metal product Co., Ltd newly soars
Used filtering material: Gongyi City, Henan Province relates to Henan, villages and small towns high filtrate factory
Comb net: southwest, Tiantai County, Zhejiang filter cloth factory
Claims (15)
1, a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that said system unit comprises:
Intake pool (1), by the discharge bay (2) that is connected with intake pool (1) of water inlet webmaster (8);
Intake pool (1) top is provided with a gas, water mixing device (5), and is fixed on water pump water pipe (3) and air inlet pipe (4) in gas, the water mixing device (5);
Discharge bay is provided with filtration beds in (2), and filtration beds is arranged with following order from bottom to top: coarse filtration material layer (11) → middle filtering material layer (12) → thin filtering material layer (13) → middle filtering material layer (14) → coarse filtration material layer (15);
In the filtration beds of discharge bay (2) bottom, be provided with into water webmaster (8); Water inlet webmaster (8) passes the hole (6) of discharge bay pool wall, and an end enters in the intake pool (1), and intake pool (1) is connected with discharge bay (2); The part of water inlet webmaster (8) in discharge bay is furnished with hole (18), port sealing on the tube wall;
In the filtration beds of discharge bay (2) the superiors, be provided with water outlet webmaster (9), be evenly equipped with hole on the tube wall of water outlet webmaster (9); Both sides all seal;
On the top filtration beds of discharge bay (2), cover a sealing plate (17), water pump water pipe (10) passes sealing plate (17), is connected with water outlet webmaster (9);
On the inwall of discharge bay (2), the corresponding deflector (7) that is provided with each filtration beds.
2, according to claim 1ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that said gas, water mixing device (5) but square, cuboid, semicircular body, cone or the ladder type body of shape lower openings, it is fixed on the wall of intake pool and opening is buckled in the water down.
3, according to claim 1 and 2ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that said water pump water pipe (3) and air inlet pipe (4) are fixed in gas, the water mixing device (5) by fixing card (20), the outlet of water pump water pipe (3) is provided with spray equipment (19).
4, according to claim 3ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that being separated by with comb net (16) between each filtration beds.
5, according to claim 4ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that said filtering material is quartz sand, magnetic iron ore, manganese sand, haydite, shell, active carbon, zeolite, medical stone, fibrous nodules, stone, sand, glass; Filtering material in the thin filtering material layer can also be screen cloth, screen pack, filter paper, guipure, nonwoven, filter cloth.
6, according to claim 5ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that the filtering material particle size diameter in the said coarse filtration material layer is 2-20cm; Filtering material in the middle filtering material layer is the 2-100 order; Filtering material is the 40-500 order in the thin filtering material layer.
7, according to claim 6ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that the filtering material particle size diameter in the said coarse filtration material layer is 2-4cm; Filtering material in the middle filtering material layer is the 30-80 order; Filtering material in the thin filtering material layer is the 150-200 order.
8, according to claim 7ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that to be divided into the 2-10 layer with the comb net respectively in described carse, medium and small each filtering material layer.
9, according to claim 8ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that the hole diameter that distributes on the described water-in and water-out webmaster wall is 1-3cm.
10, according to claim 9ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that described deflector is arranged on around the inwall of discharge bay, its shape is identical with discharge bay inside and outside wall shape, width is equal to or greater than 1 centimetre, thickness is 0.1-3 centimetre, is located in the middle filtering material of each filtration beds.
11, according to claim 10ly a kind ofly purify lake water, effectively control the system unit of algal grown in the water, it is characterized in that being provided with preformed hole with respect to each filtration beds on the described water outlet pool wall, the hole is provided with seal cover (21).
12, a kind ofly purify lake water, effectively control the usage of the system unit of algal grown in the water, it is characterized in that:
When purifying lake water, with lake water with in the gas of water pump by water pump water pipe (3) suction intake pool (1) top, the water mixing device (5), mist supercharging with CO2 or CO2 and O2 simultaneously also enters in gas, the water mixing device (5) by air inlet pipe (4), and water carries out pressure with gas to be mixed; The amount of control water and gas transfers to 4-7 with the pH value of entering lake water;
The lake water that regulates pH value enters the discharge bay (2) that is negative pressure state by water inlet webmaster (8); Water enters behind the discharge bay (2) and flows upward fast, through carse, medium and small, in, the coarse filtration material layer is purified, pump from the water pump water pipe (10) that is connected with water outlet webmaster (9) at last.
13, according to claim 12ly a kind ofly purify lake water, effectively control the usage of the system unit of algal grown in the water, it is characterized in that the pH value of entering lake water is transferred to 5.0-6.
14, describedly a kind ofly purify lake water, effectively control the usage of the system unit of algal grown in the water according to claim 12 or 13, it is characterized in that in intake pool under the anhydrous state, water is entered from discharge bay, filtration beds is carried out backwash, take out after the dirt in the filtration beds is rushed in intake pool.
15, describedly a kind ofly purify lake water, effectively control the usage of the system unit of algal grown in the water according to claim 12 or 13, it is characterized in that opening the seal cover of discharge bay pool wall, filtering material is taken out, clean or change the back and fill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510085559XA CN1312060C (en) | 2005-07-28 | 2005-07-28 | Lake purification system for controlling algae growth effectively and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510085559XA CN1312060C (en) | 2005-07-28 | 2005-07-28 | Lake purification system for controlling algae growth effectively and method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN1712646A true CN1712646A (en) | 2005-12-28 |
| CN1312060C CN1312060C (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200510085559XA Expired - Fee Related CN1312060C (en) | 2005-07-28 | 2005-07-28 | Lake purification system for controlling algae growth effectively and method thereof |
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| CN103880103A (en) * | 2014-03-21 | 2014-06-25 | 苏州腾纳环保科技有限公司 | Filter material with good regeneration effect |
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| CN86200675U (en) * | 1986-01-28 | 1986-10-29 | 曹国斌 | Sterilizing and purifying device for drinking water |
| JP3121287B2 (en) * | 1997-04-17 | 2000-12-25 | クランツ株式会社 | Water purification device |
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| CN2396040Y (en) * | 1999-11-12 | 2000-09-13 | 杨国高 | Equipment for treating water quality |
| CN2430440Y (en) * | 2000-07-14 | 2001-05-16 | 胡天军 | Lift flow biological denitrification filter pool |
| JP4298382B2 (en) * | 2002-09-19 | 2009-07-15 | 株式会社 山有 | Water purification method and water purification apparatus used for the method |
| CN1257850C (en) * | 2002-10-26 | 2006-05-31 | 崔树生 | Method and device for purifying water by self solidifying technology with microbe and carrier in river |
| CN1297490C (en) * | 2005-01-14 | 2007-01-31 | 王清熙 | Apparatus and method for treating river and lake water |
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- 2005-07-28 CN CNB200510085559XA patent/CN1312060C/en not_active Expired - Fee Related
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| CN103880103A (en) * | 2014-03-21 | 2014-06-25 | 苏州腾纳环保科技有限公司 | Filter material with good regeneration effect |
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