CN106379977A - Method and device for improving water treatment capability through pressurizing manner - Google Patents
Method and device for improving water treatment capability through pressurizing manner Download PDFInfo
- Publication number
- CN106379977A CN106379977A CN201610951903.7A CN201610951903A CN106379977A CN 106379977 A CN106379977 A CN 106379977A CN 201610951903 A CN201610951903 A CN 201610951903A CN 106379977 A CN106379977 A CN 106379977A
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- China
- Prior art keywords
- water
- water treatment
- sludge
- treatment capacity
- sedimentation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Abstract
The invention relates to a method and a device for improving a water treatment capability through a pressurizing manner, which are mainly applied to precipitation, filtering and sludge treatment systems. By taking a sedimentation tank as an example: coagulation output water containing flocculating constituents is conveyed into a sealed pressurizing sedimentation tank; the volume change of water is extremely small under a pressurizing condition while pressure can act on the flocculating constituents with better elasticity or plasticity through a water body, so that the volume of the flocculating constituents is remarkably compressed and the density is increased, and furthermore, the buoyancy of the flocculating constituents in the water is reduced, the accelerated speed of downward depositing the flocculating constituents is increased and the sedimentation efficiency is effectively improved. According to the method provided by the invention, the physical characteristic that the elasticity or the plasticity of the flocculating constituents is better than that of the water body is utilized, and the deposition of the flocculating constituents is initiatively accelerated; a water treatment capability of the sedimentation tank can be improved; meanwhile, the turbidity of sedimentation output water is reduced. The method is also applicable to sludge treatment; the compression and sedimentation time of sludge deposition and under-tank deposited sludge can be shortened and the sludge treatment capability is effectively improved. The invention provides a novel water treatment technology which has practical value and promotion significance.
Description
Technical field
The present invention relates to lift the method and device of water treatment capacity by pressuring method, water treatment procedure can be effectively improved
Middle floccule body or the settling efficiency of particle, especially can be greatly improved deposition efficiency in sedimentation basin for the floccule body after coagulation, simultaneously
The treatment effeciency of follow-up filter tank technique can be improved, the method has the new water process skill of practical value and dissemination by becoming
Art.Processed by the acceleration that pressuring method also apply be applicable to mud, effectively lifting sludge system disposal ability simultaneously.
Background technology
The water treatment technology commonly used at present is coagulation-precipitation-filtration-sterilization process, after wherein precipitation refers to coagulation in water
Floccule body rely on the process that is separated from the water of Action of Gravity Field, the deposition efficiency of this technique unit becomes restriction water treatment system energy
The key link of power.
Horizontal sedimentation tank floor space is big, and deposition efficiency is not high；After application shallow pool theory, it is developed to multilayer many lattice precipitation
Pond, on the premise of sedimentation basin dischargeable capacity is constant, desilting area is increased, and deposition efficiency obtains a certain degree of lifting,
But there is spoil disposal problem；It is developed to inclined tube, after inclined-plate clarifying basin, solve spoil disposal while increasing effective desilting area and ask
Topic, applies more in the market.
Under conventional condition of water quality, the floccule body after coagulation is settled in sedimentation basin and is separated, when source water qualitative change
When change or coagulation effect be not good enough, the floc settlement performance in sedimentation basin reduces, and deposition efficiency declines, and leads to water treatment system energy
The reduction of power.Especially when water quality assumes low-temperature and low turbidity, the characteristic of the high algae of high temperature, the floccule body after coagulation is tiny, loose, heavy
It is difficult to settle in the pond of shallow lake and removes, have a strong impact on deposition efficiency, the floccule body being mingled with water outlet is gathered in the filtrate in follow-up filter tank
In, will also result in the blocking of filtrate and the shortening of filter fly, thus leading to the decline of whole water treatment system ability.
The treatment effeciency problem of mud generally becomes the bottleneck problem of old water factory upgrading in recent years, how effectively to carry
The disposal ability problems demand of high sludge treating system solves.
Content of the invention
For sedimentation basin application present situation, it is an object of the invention to provide by increasing sedimentation basin water body pressure, thus right
In water, the volume of floccule body is compressed, and reduces the buoyancy that floccule body is subject to, and then the method accelerating floc settlement, and application should
Method can effectively improve deposition efficiency, lifts water treatment capacity；The mud of precipitation bottom is concentrated simultaneously, can be directly entered dirt
Mud dewatering unit, forms precipitation-sludge condensation integrated apparatus；In sedimentation basin water outlet, carried overbottom pressure can also be used for improving subsequently mistake
The treatment effeciency of filtering technology, is the new water technology with practical value and dissemination.
The above-mentioned purpose of the present invention can be realized by following technical proposals, and it comprises the following steps：Coagulation containing floccule body
Through delivering in the closing sedimentation basin being in pressurized state, pressure is acted on by water body and has more elasticity compared with water body or mould for water outlet
Property floccule body, so that floccule body volume is substantially compressed, density increases, thus reducing buoyancy suffered in water, increase to
The acceleration of lower motion, and then effectively lift deposition efficiency.And deposition efficiency and pressure applied present preferable related
Property, the carried overbottom pressure of sedimentation basin water outlet can be used in subsequent filter link or precipitation-filtering integral device.
Lift the method and device of water treatment capacity by pressuring method, also can be applied individually to any the concentration work of sludge system
Skill, application the method can shorten the compression precipitating time of mud, and effectively lifting sludge system disposal ability comprises the following steps：
Through delivering into backflow pond, spoil disposal pond or the concentration basin being in pressurized state, the floccule body volume in spoil disposal water is subject to spoil disposal water
To compression, reduce suffered buoyancy, increase the acceleration moving downward, and shorten the time of base sludge compression precipitating,
And then effectively improve Treatment of Sludge efficiency.
Lift the method and device of water treatment capacity by pressuring method, also can be applied individually to any filtering technique, application should
Method can effectively extend the filter fly in filter tank, the disposal ability in lifting filter tank, comprises the following steps：Precipitation water outlet adds through delivering into
The filter tank of pressure condition, increases the discharge capacity of filtrate, thus lifting the disposal ability in filter tank by pressure.
Lift the method and device of water treatment capacity by pressuring method, can be using continuation pressurization or intermittent pressurization side
Formula, such as using continuation pressurization, then requires sedimentation basin to intake as water with pressure, that is, after coagulation, water outlet conveys pressurization through pump, also can be by
Coagulating basin is arranged on high water level position, with the pressurization of potential energy difference form.
Floccule body compared with water body more elasticity or plasticity of the present invention is coherency particle, including wadding original in water again
Solidifying body, and by adding various organic and inorganic coagulated agents or the floccule body helping solidifying medicament and being formed in water.
Pressurized precipitation pond of the present invention includes horizontal sedimentation tank, tube settler, inclined-plate clarifying basin, high density precipitation
Pond, depositing reservoir etc. are various to apply pressurization to accelerate detached pond type.
Filter tank classification is not limited in filter tank of the present invention, can be applicable to various filling filter material filter pools and immersed membrane filter,
The carried overbottom pressure of sedimentation basin water outlet all can be utilized.
Closing sedimentation basin of the present invention carries ftercompction and pressure relief device, flexibly can be adjusted according to process conditions, condition of water quality
Seamless power.
Spoil disposal pond of the present invention or concentration basin do not limit pond type, can be applicable to various closed pond bodies.
Method and principle：
Floccule body after coagulating sedimentation refers to coagulation in water relies on Action of Gravity Field, the process being separated from the water out, flocculation
Body is when the settling velocity in water depends primarily on floccule body in the gravity in water, sinking between the resistance of suffered water and floccule body
Interaction force, the acceleration that the official post floccule body generation of gravity and resistance moves downward.
The resistance of wherein water suffered by floccule body refers mainly to buoyancy straight up, according to Archimedes' principle, is immersed in
Object in liquid is subject to the size of buoyancy to be equal to the gravity of the liquid being arranged by this object, and that is, F floats=G row=ρ liquid g V
Row.
Under an increased pressure, the variable density of water is minimum, negligible.
Floccule body is the material having more elasticity or plasticity compared with water body, and under an increased pressure, volume is vulnerable to compression, and density adds
Greatly, that is, V row reduces.
Summary, in the sedimentation basin of pressurization, floccule body produces the acceleration moving downward with the increase of pressure
Increase, the deposition efficiency of floccule body under conditions of not changing sedimentation basin dischargeable capacity, can be obviously improved using the method, thus
Increase water treatment capacity.
Sludge system disposal ability can be increased in the same manner.
The features and advantages of the invention are：
1st, make full use of the physical features that floccule body has more elasticity or plasticity than water body, under an increased pressure, flocculate in water
Body volume is subject to ratio compressing that water body becomes apparent from, and then reduces buoyancy, that is, reduce the resistance moving downward, thus effectively being lifted
Deposition efficiency, and then increase water treatment capacity.
2nd, lift the method and device of water treatment capacity by pressuring method, be particularly suited for the not good enough operation of coagulation effect
State, when coagulation effect is not good enough, in water, floccule body is loose, and density is little, not free settling, sometimes assists and various helps solidifying mode also to imitate
Really little, water treatment capacity is had a greatly reduced quality, and application pressuring method lifts the method and device of water treatment capacity, to such floccule body
Effect is especially apparent, and variable passive wait floccule body sinks for actively accelerating floccule body to separate, and has both ensured water treatment capacity, and
Improve the water quality of precipitation water outlet.
Lift the method and device of water treatment capacity by pressuring method, the mud of its precipitation bottom is concentrated simultaneously,
Sludge dewatering unit can be directly entered, form precipitation-sludge condensation integrated apparatus.
3rd, the carried overbottom pressure of sedimentation basin water outlet can continue with subsequent filter link or precipitation-filtering integral device, both
Improve the disposal ability of total system, reduce the loss of energy again.
4th, sedimentation basin carries ftercompction and pressure relief device, can be according to condition of water quality, Capability Requirement flexible modulation pressure size.
5th, lift the method and device of water treatment capacity by pressuring method, the overall energy of water treatment system can be substantially improved
Power, thus the impact to water supply and facility can be reduced in the transformation process of old water factory to greatest extent.
6th, under conditions of water treatment capacity is constant, can be shown by the method and device that pressuring method lifts water treatment capacity
Write the floor space reducing water processing establishment, simultaneously facilitate and be equipped to container-type, existing emergent water treatment system is greatly improved
Disposal ability.
7th, lift the method and device of water treatment capacity by pressuring method, can effectively lift Treatment of Sludge ability and concentration
Efficiency, lowers the moisture percentage in sewage sludge after concentrating simultaneously, significantly reduces construction and the operating cost of follow-up specific resistance to filtration.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing 1 is the pressurized precipitation-sludge condensation integrated apparatus schematic diagram of the present invention.
Accompanying drawing 2 is the pressurized precipitation-sludge condensation-filtering integral schematic diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only two kinds of embodiments of the present invention, rather than whole embodiments, is based on
Embodiment in the present invention, the every other embodiment that other staff are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1：
The method and device embodiment 1 lifting water treatment capacity by pressuring method of the present invention：Precipitation-mud is dense
Compression integrated device, as shown in Figure 1：Water to be precipitated 2 after coagulating treatment enters the pressurized precipitation pond 1 of closing, and water is through tiltedly
Pipe or swash plate 7 move from the bottom to top, collect to outlet pipe 3；In water, floccule body and particulate matter are quickly downward under pressure
Motion, forms compression mud 9 at the bottom of pond portion, is flowed out by discharge pipeline 4；8 is sedimentation basin operating water level, and it is with pond top spacing as sky
Controlled atmosphere nip；10 is pressure gauge, continues to monitor sedimentation basin pressure, and compensation device 6 and pressure relief device 5 are used for flexible modulation sedimentation basin
Interior pressure；11 is pressure regulation area；12 is clear water zone；13 inclined tubes or swash plate area；14 water distributing areas；15 depositions and enrichment region.
Concrete principle is：Pressure acts on floccule body and particulate matter in water by water body, floccule body and particulate matter because
The elasticity itself having or plastic behavior volume are compressed, and density increases, thus reducing suffered buoyancy in water, increase
The acceleration that moves downward, and then obtain the effect of lifting deposition efficiency.
In the same manner, floccule body and particulate matter are enriched with the bottom of pond, under pressure continuous compression precipitating being concentrated, its
Spoil disposal can be directly entered dewatering technology of mud.
To sum up, this device had both had High-rate sedimentation efficiency, and completed sludge condensation simultaneously, therefore it is dense to be named as precipitation-mud
Compression integrated device.
In the present embodiment, by pressuring method lifted water treatment capacity method and device can using continuation pressurization or
Having a rest property pressuring method, such as using continuation pressurization, then requires sedimentation basin to intake as water with pressure, that is, after coagulation water outlet through pump conveying plus
Coagulating basin also can be arranged on high water level position by pressure, with the pressurization of potential energy difference form.
Sedimentation basin in the present embodiment is not limited to horizontal sedimentation tank, also includes tube settler, inclined-plate clarifying basin, highly dense
The various classification lifting water treatment capacity by pressuring method such as degree sedimentation basin, depositing reservoir.
Including but not limited to rectangle form pool type, that can take any enclosed can pressurized reservoir type for sedimentation basin in the present embodiment.
Floccule body in the present embodiment is coherency particle again, including floccule body original in water, and by water
Add various organic and inorganic coagulated agents or the floccule body helping solidifying medicament and being formed.
Embodiment 2：
The method and device embodiment 1 lifting water treatment capacity by pressuring method of the present invention：Precipitation-mud is dense
Contracting-filtering integral device, as shown in Figure 2：Precipitation-sludge condensation process enters envelope with embodiment 1, the water outlet with pressure after precipitation
The pressurization filter tank 16,17 closed is pressure gauge, continues to monitor filter tank pressure, and compensation device 18 and pressure relief device 19 are used for flexible modulation
Pressure in filter tank, water outlet after filtration is exported to subsequent process unit by outlet pipe 20, and spent filter backwash water is provided by flush pipe 21.
In the present embodiment, the carried pressure of sedimentation basin water outlet can continue to apply to filtration system, has both improve total system
Disposal ability, reduces the loss of energy again, therefore is named as precipitation-sludge condensation-filtering integral device.
In the present embodiment, filter tank classification is not limited in described filtration filter tank, can be applicable to various filling filter material filter pools and various
The immersed membrane filter of pattern.
In the present embodiment, pressurizeing of any enclosed, including but not limited to rectangle form pool type, can be taken in described filtration filter tank
Pond type.
Claims (10)
1. by pressuring method lifted water treatment capacity method and device it is characterised in that：Water body in pond is carried out continuous or
Batch (-type) pressurizes, and pressure acts on, by water body, the floccule body having more elasticity or plasticity in water compared with water body, makes floccule body volume bright
Aobvious compression, density increases, thus reducing the suffered buoyancy in water of floccule body, increasing the acceleration of floccule body sedimentation downwards, entering
And effectively lift floccule body deposition efficiency and sludge condensation efficiency.
2. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：The party
Method can be used for lifting the precipitation of water treatment system, filtration, the settling efficiency of sludge condensation and disposal ability it can also be used at sewage
Reason system and other based on the principle of the invention by pressuring method increase water in material separating rate system, former based on the present invention
Reason by the sedimentation basin of material separating rate in pressuring method quickening water, filter tank, sludge treating system, sewage disposal system and
Other water treatment systems based on present principles are all within the scope of the present invention.
3. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：The party
When method is applied to sedimentation basin, while lifting floccule body deposition efficiency, sedimentation basin bed mud is concentrated, and can be directly entered mud
Dewatering process.
4. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：Described
Have more elasticity compared with water body or the floccule body of plasticity is coherency particle again, including floccule body original in water, and by water
In add various organic and inorganic coagulated agents or the floccule body helping solidifying medicament and being formed.
5. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：Described
Pressurized precipitation pond include horizontal sedimentation tank, tube settler, inclined-plate clarifying basin, potassium permanganate composites, depositing reservoir etc. various should
Accelerate detached pond type with pressurization.
6. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：Described
Filter filter tank and do not limit to filter tank classification, can be applicable to the immersed membrane filter of various filling filter material filter pools and various types, precipitation
Water outlet carried overbottom pressure in pond all can be utilized.
7. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：Described
Treatment of Sludge includes spoil disposal pond, sludge concentration tank, process reflows pond etc..
8. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：Described
Including but not limited to rectangle, that can take any enclosed can pressurized reservoir type for sedimentation basin, filter tank, sludge-tank etc..
9. pass through as claimed in claim 1 the method and device of pressuring method lifting water treatment capacity it is characterised in that：Adopting
Take under continuation pressurized conditions, the pressuring method of coagulation water outlet can convey pressurization through pump after coagulation, also can set coagulating basin
Put in high water level position, with the pressurization of potential energy difference form.
10. the sedimentation basin of closing of the present invention carries ftercompction and pressure relief device, flexibly can be adjusted according to process conditions, condition of water quality
Seamless power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951903.7A CN106379977A (en) | 2016-11-03 | 2016-11-03 | Method and device for improving water treatment capability through pressurizing manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951903.7A CN106379977A (en) | 2016-11-03 | 2016-11-03 | Method and device for improving water treatment capability through pressurizing manner |
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| Publication Number | Publication Date |
|---|---|
| CN106379977A true CN106379977A (en) | 2017-02-08 |
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ID=57958373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610951903.7A Pending CN106379977A (en) | 2016-11-03 | 2016-11-03 | Method and device for improving water treatment capability through pressurizing manner |
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| CN (1) | CN106379977A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574350A (en) * | 2018-11-29 | 2019-04-05 | 王燕瑜 | A kind of solar energy separate heat pipe desalination plant |
| CN113165926A (en) * | 2018-11-23 | 2021-07-23 | 艾尔芬斯·舒尔兹·伊斯福特 | Method for purifying and sterilizing a liquid and/or aqueous medium (suspension) and device for carrying out said method |
-
2016
- 2016-11-03 CN CN201610951903.7A patent/CN106379977A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165926A (en) * | 2018-11-23 | 2021-07-23 | 艾尔芬斯·舒尔兹·伊斯福特 | Method for purifying and sterilizing a liquid and/or aqueous medium (suspension) and device for carrying out said method |
| CN109574350A (en) * | 2018-11-29 | 2019-04-05 | 王燕瑜 | A kind of solar energy separate heat pipe desalination plant |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170208 |
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| WD01 | Invention patent application deemed withdrawn after publication |