Utilize the pressurization floating method to purify the purifying method and the device thereof of water quality such as sea, lake, river
Technical field
The present invention relates to a kind of device that utilizes the pressurization floating method to purify the purifying method of water quality such as sea, lake, river and realize this method.
Background technology
The refining plant 100 in general Hai Hu river, as shown in Figure 1.Through absorption tube 101, utilize force (forcing) pump 102 to suck former water from processed A, former water under pressurized state and the pressurized air of compressor 103 compressions together, through gas liquid mixer 104, be transported in the pressurized tank 105.From the pressure valve 106 of pressurized tank 105 through water service pipe, its front end, arrive the inside of the floating separated part B of going up, in water, break, expand, the micro bubble that produces is attached to the oil content in the water and the surface of other pollutents, on climbing up on top of the water, the scum silica frost S that floats up is recovered in the scum silica frost pallet 107.The scum silica frost S that reclaims in the scum silica frost pallet 107, horizontally disposed recovery tube 108 in scum silica frost pallet 107 by foldback device 109, through transfer lime 110, is returned in the cyclonic separator 111, is reclaimed by cyclonic separator 111.
Aforesaid operations is to carry out repeatedly continuously, so the water of processed A is cleaned in turn.So total internal circulating load is bigger, water to be processed all will circulate through force (forcing) pump 102, so power consumption is bigger.
Also there is following problem in above method: be installed in the compressor 103 between force (forcing) pump 102 and the gas-liquid circulator 104, owing to suck air outside, discharge the air of compression in the inside of system, at this moment produce the nitrogen more than 60%, it and oxygen can not merge, so the bubble that produces is not small, inhomogeneous, thereby reduces former water purification degree, so decontamination effect improving is relatively poor.Simultaneously, compressor will start for a long time, so equipment is thrown and energy expenditure is all very big.
Because aforesaid method is provided with separated part B, and the scum silica frost separation system, so device is complicated, the cost height.
Summary of the invention
The present invention has overcome the shortcoming of prior art, provides a kind of pressurization preparation water that contains gas that utilizes part to prepare, directly the method that water quality such as sea, lake, river are purified.
Also provide a kind of pressurization preparation water that is rich in oxygen and/or ozone that utilizes part to prepare, directly the method that water quality such as sea, lake, river are purified.
The present invention also provides the device of realizing aforesaid method.
In order to achieve the above object, a kind of purifying method of utilizing the pressurization floating method to purify water quality such as sea, lake, river of the present invention comprises the following steps: successively
(1) the preparation water that will prepare is introduced force (forcing) pump, makes its pressure treatment;
(2) the preparation moisture after the pressurization is two strands, and one flows into the secondary water tank, after the mixed gases that a stock-traders' know-how squirt pump and airing system provide, the pressurization, flows into one time water tank;
(3) when the pressure of the gas-liquid mixture in water tank is higher than pressure in the secondary water tank, open connection one-way cock on the pipeline once and between the secondary water tank, make described gas-liquid mixture flow into the secondary water tank;
(4) keep constant positive pressure in the secondary water tank, and constant level, when pressure is higher than set(ting)value, by the pressure relief valve emptying; When liquid level is higher than the regulation of level pipe when suitable for reading, overflow in three water tanks by the regulation of level pipe;
(5) draw the preparation water that has prepared from three water tanks bottom, prepare water through the pressure regulator valve goalkeeper and be discharged in the water to be processed, preparation water discharges the micro bubble that adds gas in (2) step, is attached to the pollutent surface in the water, on float to water surface.
At the airing system described in above-mentioned (2) step can be to utilize blower fan to blow air, and air can pass through porous stone, with koniology and part nitrogen adsorption, and the air that provides oxygen concentration to increase.
At the airing system described in above-mentioned (2) step also can be to utilize ozonizer that ozone is provided.
Certainly above two airing systems also can in parallelly simultaneously use.
A kind of device that is used to realize above-mentioned purifying method of the present invention, this device comprises:
Force (forcing) pump, the preparation water of introducing, pressurize;
Two arms of branch behind force (forcing) pump: pipeline and secondary pipeline;
On the described pipeline squirt pump is installed, the inlet mouth of described squirt pump connects the air-supply duct of airing system;
Water tank is divided into three portions up and down, a water tank, and secondary water tank and three water tanks, a described pipeline links to each other with a water tank;
In the secondary water tank, be provided with the pressure valve pipe, described pressure valve pipe is communicated with water tank and secondary water tank, the one-way cock that opens and closes according to pressure is set on the described pressure valve pipe, and the secondary water tank links to each other with the secondary pipeline, the last setting pressure relief valve of secondary water tank;
Three water tanks are positioned at the below of secondary water tank, are communicated with the inside that extend into the secondary water tank suitable for reading of described regulation of level pipe by the regulation of level pipe between secondary water tank and three water tanks;
Lower end at above-mentioned three water tanks is provided with escape route, is used for deriving preparation water, at the end of escape route the pressure regulator valve door that opens and closes according to pressure is installed.
A kind of purifying method and device that utilizes the pressurization floating method to purify water quality such as sea, lake, river of the present invention, owing to adopt preparation water process, make the high pressure preparation water that is rich in gas, utilize preparation water directly the water in sea, lake, river to be purified again, whole like this device is when operation, only pressurization preparation water can be saved energy consumption greatly.
A kind of purifying method and device that utilizes the pressurization floating method to purify water quality such as sea, lake, river of the present invention, owing to adopted the part nitrogen in the porous stone absorbed air, provide oxygen concn bigger air, make in the preparation water and be rich in oxygen, so when come-up, can produce even, small bubble, make decontamination effect improving better.
A kind of purifying method and device that utilizes the pressurization floating method to purify water quality such as sea, lake, river of the present invention, because airing system provides ozone, make in the preparation water and be rich in ozone, because ozone is a kind of strong oxidizer, can sterilization, sterilization, therefore the water of the preparation water treatment through being rich in ozone obtains very clean purifying waste water.
A kind of purifying method and device that utilizes the pressurization floating method to purify water quality such as sea, lake, river of the present invention saved the treatment facility of scum silica frost, do not have air compressor, so facility investment is little, and the efficient height.
A kind of pressurization floating method that utilizes of the present invention purifies the purifying method and the device thereof of water quality such as sea, lake, river, owing to adopted multistage water tank, so help quick supercharging and keep a jar internal pressure, makes stable working state.
Description of drawings
Fig. 1 represents the setting drawing of existing refining plant;
Fig. 2 represents the setting drawing of the refining plant of the embodiment of the invention.
Embodiment
With reference to accompanying drawing 2, will be described in detail the specific embodiment of the present invention.
Refining plant 1 of the present invention, the preparation water of preparing enters system through tail pipe 2, on tail pipe 2, medicine storage bucket 3 can be installed, can store white lime or treatment solution medicine in the described medicine storage bucket 3, described treatment solution medicine can be PAC or polymer coagulant, and described medicine storage bucket 3 can be one or more, as shown in Figure 2, two medicine storage buckets 3 are arranged, store different types of medicine respectively.Behind described medicine storage bucket 3, force (forcing) pump 5 is set, gives the pressurization of preparation water.In order to make medicine and preparation water thorough mixing, can on the tail pipe 2 between medicine storage bucket 3 and the force (forcing) pump 5, install static mixer 4, if a plurality of medicine storage buckets 3 are arranged, can establish static mixer in each medicine storage bucket 3 one of back installing.
Preparation water through above-mentioned force (forcing) pump 5 pressurizations through an one-way cock 6, can be: 1: 1 proportional diverting to time pipeline 7 and secondary pipeline 8 with volumetric flow rate.Squirt pump 13 is installed on a described pipeline 7, and the inlet mouth of described squirt pump 13 connects airing system.
Described airing system can be following several mode: one, in porous stone implement 9, porous stone is housed, described porous stone can be the porous sorbent material, as zeolite, or other alkali or alkali-metal pure aluminium silicate hydrate mineral, utilize blower fan 9` to blow air, through the porous stone in the porous stone implement 9, with koniology and part nitrogen adsorption, the concentration of airborne oxygen is increased, be connected on the inlet mouth of squirt pump 13 by air-supply duct 14 again.Its two, produce ozone with ozonizer 10 after, be connected to by air-supply duct 15 on the inlet mouth of squirt pump 13.Above-mentioned dual mode can use separately, also air-supply duct 14,15 can be merged into mixing tube 16 after, simultaneously in parallel the use.Above-mentioned functions can realize by the switching of opening-closing valve 30 and 30`.Its three, also can directly utilize blower fan 9` to blow air, be connected to by air-supply duct on the inlet mouth of squirt pump 13.
The gas that preparation water in pipeline 7 and airing system provide can be 1~3: 1~3 mixed with volumetric flow rate, and more behind the thorough mixing, flows into one time water tank 12a in gas liquid mixer 17,
Only pass through preparation water on the above-mentioned secondary pipeline 8, its reason is the gaseous tension of airing system, and is bigger than the preparation water pressure of secondary pipeline 8, so preparation water can not rise, can only supply with secondary water tank 12b through secondary pipeline 8 with the reducing valve 11 of regulating the preparation water pressure.
Water tank can be an one-piece construction, be divided into three parts from top to bottom successively: a water tank 12a, secondary water tank 12b and three water tank 12c, between water tank 12a and secondary water tank 12b, form separates walls 18, along with the gas-liquid mixture in the pipeline 7 flows into a water tank 12a, one time the interior pressure of water tank 12a rises, during pressure in its pressure is higher than secondary water tank 12b, the one-way cock 20 of vertically disposed pressure valve pipe 19 in secondary water tank 12b then, can open by automatic or manual, preparation water supply secondary water tank 12b.Form separates walls 21 between secondary water tank 12b and three the water tank 12c, pressure valve pipe 19 and secondary pipeline 8 preferably extend under the liquid level among the secondary water tank 12b; Be communicated with by regulation of level pipe 22 between secondary water tank 12b and three the water tank 12c, the regulation of level pipe 22 secondary water tank 12b inside that extend into suitable for reading, middle and upper part preferably is to guarantee among the secondary water tank 12b certain liquid level being arranged; When the liquid level of preparation water is higher than regulation of level pipe 22 when suitable for reading, can overflow to water tank 12c three times by regulation of level pipe 22.The upper end of secondary water tank 12b connects airline 25, and the pressure relief valve 24 of air manometer 23 and relief pressure is installed on described airline 25.
Lower end at above-mentioned three water tank 12c, escape route 27 is set, there is the sedimentary throw out valve 26 of downward discharge described escape route 27 lower ends, expenditure is used to derive the recovery tube 28 of preparation water on escape route 27, and the end of this recovery tube 28 is equipped with the pressure regulator valve door 29 that opens and closes according to pressure.Described pressure regulator valve door 29 places the water of wanting purifying treatment, can directly place the Hai Hu river that will purify.Also can place recycling bin 31 as shown in Figure 2.
Described water tank also can be three jars that are separated, and is not to resemble an above-mentioned integral body to be divided into three parts, as long as three water tank 12c are positioned at the below of secondary water tank 12b, preparation water can get final product by overflowing to three water tank 12c from secondary water tank 12b.
Be rich in oxygen or ozone in the preparation water for preparing, therefore after from pressure regulator valve door 29, discharging, because pressure reduces, the bubble that can form rapidly is owing to the content of nitrogen in the gas contained in the preparation water is smaller, so the bubble that produces is more small, evenly, bubble is attached to the oil content in the water or the surface of other pollutents, drives the surface that pollutent floats to water, utilize sieve to remove the scum silica frost of these come-ups, remaining is exactly to purify waste water.
The pressure that described pressure relief valve 24 is preferably controlled in the secondary water tank 12b is 4~8kg/cm
2, when pressure was too low, bad by the preparation floating mixed effect waterborne of pressure regulator valve door 29 ejections, when pressure was too high, gas will directly overflow from water, can not form micro bubble, thereby did not also have cleaning action.
Described preparation water can be clean water, and work also can be to take from the water of wanting purifying treatment for convenience, directly uses.
The present invention can add the treatment solution medicine or/and white lime has so also been strengthened wanting the degree of purification for the treatment of water before the pressurization of preparation water.
Utilization pressurization floating method of the present invention purifies the purifying method and the device thereof of water quality such as sea, lake, river, owing to adopt by preparation water process, make the high pressure preparation water that is rich in ozone and oxygen, utilize preparation water directly the water in sea, lake, river to be purified again, whole like this device is when operation, only pressurization preparation water can be saved energy consumption greatly.For the waters of general pollution, the preparation water that every preparation is 1 ton can be handled about 100 tons treating water, can handle out about 10 tons pollutent (in the described pollutent moisture 97%), and as seen, the efficient for the treatment of water of the present invention is very high.
And saved the treatment facility of scum silica frost, so facility investment is little, the efficient height.Special because ozone is a kind of strong oxidizer, can sterilization, sterilization, therefore the water of the preparation water treatment through being rich in ozone obtains very clean purifying waste water.
Utilization pressurization floating method of the present invention purifies the purifying method and the device thereof of water quality such as sea, lake, river, owing to adopted multistage water tank, so help supercharging and keep a jar internal pressure, makes stable working state.