CN101602553A - A kind of method and stirring-granulating tank thereof of handling trade effluent - Google Patents
A kind of method and stirring-granulating tank thereof of handling trade effluent Download PDFInfo
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- CN101602553A CN101602553A CNA2009103049038A CN200910304903A CN101602553A CN 101602553 A CN101602553 A CN 101602553A CN A2009103049038 A CNA2009103049038 A CN A2009103049038A CN 200910304903 A CN200910304903 A CN 200910304903A CN 101602553 A CN101602553 A CN 101602553A
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- stirring
- trade effluent
- tank
- flocculation agent
- granulating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of method and stirring-granulating tank thereof of handling trade effluent, the present invention flows to trade effluent earlier in the one-level settling tank it is carried out precipitation process, and add 0～40 the gram flocculation agent, then waste water is flowed into and carry out stirring-granulating in the into next stirring-granulating tank and handle and to add flocculation agent more simultaneously, these trade effluents that contain the macrobead thing of crossing through stir process sewage surface in the stirring-granulating tank is fed directly to carries out precipitation process in the second-level settling pond.The present invention not only have handle that wastewater flow rate is big, high efficiency, advantage that running cost is low, but also have advantages such as cost is low, applied widely, stable and reliable working performance.Method and apparatus provided by the present invention is a kind of economy, treatment process and device efficiently, and the present invention is specially adapted to the processing to a large amount of waste water in colliery, and also effect is remarkable to the mining area wastewater treatment of other type.
Description
Technical field
The present invention relates to a kind of method and stirring-granulating tank thereof of handling trade effluent, belong to technical field of sewage.
Background technology
At present, the method and apparatus of handling trade effluent in the prior art has a lot, though these method and apparatus of handling trade effluent all have self certain advantage separately, but ubiquity, and working cost is higher, treatment process and treatment unit are complicated, Operation and Maintenance difficulty, to handle waste water subject range narrower and handle shortcomings such as the efficient of trade effluent is lower, particularly existing integrated sewage treatment equipment is outstanding especially for the problem of above-mentioned existence.Therefore, existing process for treating industrial waste water and device still are not ideal enough.
Summary of the invention
The objective of the invention is: provide a kind of working cost than the end, treatment process and treatment unit all fairly simple and processing ease and working efficiency is higher and the method and the stirring-granulating tank thereof of the processing trade effluent that can handle continuously, to overcome the deficiencies in the prior art.
The present invention is achieved in that a kind of method of handling trade effluent of the present invention is, earlier trade effluent is flow to earlier in the one-level settling tank it is carried out precipitation process, when carrying out the one-level precipitation process, size according to Pollutant levels in the trade effluent adds flocculation agent in trade effluent, the add-on of flocculation agent adds 0～40 gram flocculation agent control by every cubic metre water, like this suspended particle that its small part volume is bigger under the effect of flocculation agent of the suspended substance in the trade effluent will accumulation in settling tank, the less suspended particle of most of volume is flowed into water carries out stirring-granulating in the next stirring-granulating tank and handle; After the trade effluent that contains suspended substance flows in the stirring-granulating tank, adding flocculation agent when trade effluent is stirred in stirring-granulating tank stirs with trade effluent, the add-on of flocculation agent adds 30～60 gram flocculation agent controls by every cubic metre water, its granularity will further increase under suspended substance in the industrial sewage acts in stirring and flocculation agent, these trade effluents that contain the macrobead thing of crossing through stir process sewage surface in the stirring-granulating tank is fed directly to carries out precipitation process in the second-level settling pond, and the less alumen ustum of the formed granularity of the suspended substance in the stirring-granulating tank (i.e. the less flocs unit of the volume of Xing Chenging) is done entad motion under the swirling action that stirring produced of stirring-granulating tank, and the central position that is extruded to stirring-granulating tank is further mixed the back and is formed the bigger particle of volume with the flocculation agent that adds from the stirring-granulating tank medium position, the particle that these volumes are bigger is downward along the stirring-granulating tank center, flow by the pool wall direction around the mind-set at the bottom of the pond again after arriving at the bottom of the pond, carry out precipitation process in the second-level settling pond along flowing into after pool wall rises to the pond face then.
With the throw out in one-level settling tank and the second-level settling pond deliver to make drying and other treatment in the mummifying pool after, use with its landfill or as industrial stopping composition or fuel again; Clear water in the second-level settling pond is directly discharged or reclaims as process water and reuse.
Above-mentioned trade effluent is the sewage that discharge in mining area or colliery.
Above-mentioned flocculation agent is a polymerize aluminum chloride.
Also be added with the polyacrylamide of using as coagulant aids in above-mentioned polymerize aluminum chloride, the shared weight part of its polymerize aluminum chloride and polyacrylamide is respectively 40～50 parts of polymerize aluminum chlorides, 1～2 part of polyacrylamide.
An aerator and a chlorine dioxide generator also are installed in the water inlet of above-mentioned one-level settling tank.
A kind of stirring-granulating tank of handling trade effluent that is used for the inventive method is, the pond body of stirring-granulating tank is the drum shape, center position at stirring-granulating tank is equipped with a tubular shaft, the stirring blade that haves three layers is installed on tubular shaft at least, and the length of middle one deck stirring blade is the shortest, the length of last layer and basecoat stirring blade is the longest, on tubular shaft, be provided with the through hole of using as blowing air, upper center position at stirring-granulating tank is provided with the hopper that adds the flocculation agent spice, above stirring-granulating tank, be provided with motor, and motor is by the transmission mechanism drive sleeve.
The number of plies of the stirring blade on being installed in tubular shaft is more than or equal to 5 the time, and the length from last layer to the stirring blade of other layer middle one deck shortens from top to bottom gradually, and promptly the length of last layer stirring blade is greater than the length of one deck stirring blade down; And the length of the stirring blade from middle one deck to other layer the basecoat increases gradually, and promptly the length of last layer stirring blade is less than the length of following one deck stirring blade.
The blade quantity of every layer of stirring blade is 2～5, and is fixed on the tubular shaft by the circumference uniform distribution.
Owing to adopted technique scheme, the present invention has the following advantages:
1, continuity is good, stable performance.Treatment process of the present invention belongs to continuity and handles waster water process, and sewage is flowing to continuously from water-in, constantly discharges from water outlet after treatment.
2, processing efficiency height.The present invention is by one-level settling tank dosing post precipitation, the flocs unit sinking (having reduced the load of subsequent processing) that contains all contaminations that particle is bigger, most of little flocs unit particle then enter stirring-granulating tank add continue behind the flocculation agent flocculation (particle bigger directly enter second-level settling pond, the less quilt of particle constantly sucks discharges along wall from the pond face at the bottom of the pond after the stirring-granulating tank center adds flocculation agent, to granularity according to not reaching the subsequent processing requirement, circulation enters stirring-granulating tank and continues flocculation) form bigger particle at last, in second-level settling pond, further precipitate, by three sections operations, particularly greatly improved the processing rate of suspended substance and other pollutent by stirring-granulating tank.Through facts have proved, the clearance that the present invention removes suspended substance reaches more than 99.4%.
3, sewage load is big, and floor space is few.The present invention is owing to adopt continuous Treatment Design principle, changes that traditional waste water treatment process need be built special sewage collecting pool and handle the aeration tank, thereby causes that floor space is big, the affected situation of the amount of disposing of sewage.
4, technological flexibility is big, and is applied widely.When Pollutant levels are not high, in the one-level settling tank, just do not throw in flocculation agent, allow waste water flow directly into stirring-granulating tank, after stirring-granulating tank is handled, enter second-level settling pond and handle.When waste water suspension is dense, throws in a certain amount of flocculation agent at one-level settling tank water-in, and handle and three grades of Combined Processing of two-stage precipitation process and reach necessary requirement through the one-level stirring-granulating.When Pollutant levels such as COD, Fe, Mn are not high in the waste water, at one-level settling tank water-in an aerator (both played the aeration effect, and played the effect of stirring flocculation agent again) are installed and just can be reached processing requirements.If above-mentioned Pollutant levels are very high, then start chlorine dioxide generator (being installed in one-level settling tank water inlet) and carry out catalyzed oxidation, with the above-mentioned pollutent of a large amount of removals, simultaneously again can disinfection.
5, simple to operate, be easy to safeguard.Technology of the present invention and equipment are all simple, are installed in the pond.Solved when handling when using integration apparatus in the prior art, fouling is difficult to removing and problems such as processing, the easy variation of water quality in jar, and the present invention is easier to operation and maintenance.
6, saves energy.Technology of the present invention is removed the minority sewage works according to practical situation, need once use beyond the water pump lifting water level, adopts from stream mode more.Carry out wastewater treatment relatively with the existing integration apparatus of use, the present invention has saved electric energy widely.
Therefore, the present invention compared with prior art, the present invention not only have handle that wastewater flow rate is big, high efficiency, advantage that running cost is low, but also have advantages such as cost is low, applied widely, stable and reliable working performance.Method and apparatus provided by the present invention is a kind of economy, treatment process and device efficiently, and the present invention is specially adapted to the processing of the waste-water from coal mine big to water yield, that concentration is high, also can adopt the mining area wastewater treatment of other type.
Description of drawings
Fig. 1 is the structural representation of stirring-granulating tank of the present invention.
Embodiment
Embodiments of the invention: the method for processing trade effluent of the present invention is applicable to the trade effluent of handling all kinds of mining areas, but be particularly suitable for handling trade effluent or the sewage that discharge in the colliery, when adopting the present invention to handle trade effluent, trade effluent flow to earlier in the one-level settling tank it is carried out precipitation process, an aerator and a chlorine dioxide generator (finished product that aerator and chlorine dioxide generator can directly adopt market to sell) are installed in advance in the water inlet of one-level settling tank, when the one-level precipitation process, size according to Pollutant levels in the trade effluent adds flocculation agent in trade effluent, the add-on of flocculation agent adds 0～40 gram flocculation agent control by every cubic metre water, if the Pollutant levels in the trade effluent just need not add flocculation agent when relatively lower, when the Pollutant levels in the trade effluent are higher, can add a spot of flocculation agent, also can start the aerator assist process simultaneously (starts aerator and had both played the aeration effect, play the effect of stirring flocculation agent again), if above-mentioned Pollutant levels are very high, and COD in industrial wastewater, Fe, when Pollutant levels such as Mn are also very high, the flocculation agent that adds maximum, and the startup chlorine dioxide generator carries out catalyzed oxidation, with the above-mentioned pollutent of a large amount of removals, simultaneously again can disinfection, can make like this suspended substance suspended particle that its small part volume is bigger under the effect of flocculation agent in the trade effluent will accumulation in settling tank, the less suspended particle of most of volume flows into water and carries out stirring-granulating in the into next stirring-granulating tank and handle simultaneously; After the trade effluent that contains suspended substance flows in the stirring-granulating tank, adding flocculation agent when trade effluent is stirred in stirring-granulating tank stirs with trade effluent, the add-on of flocculation agent adds 30～60 gram flocculation agent controls by every cubic metre water, its granularity will further increase under suspended substance in the industrial sewage acts in stirring and flocculation agent, these trade effluents that contain the macrobead thing of crossing through stir process sewage surface in the stirring-granulating tank is fed directly to carries out precipitation process in the second-level settling pond, and the less alumen ustum of the formed granularity of the suspended substance in the stirring-granulating tank (i.e. the less flocs unit of the volume of Xing Chenging) is done entad motion under the swirling action that stirring produced of stirring-granulating tank, and the central position that is extruded to stirring-granulating tank is further mixed the back and is formed the bigger particle of volume with the flocculation agent that adds from the stirring-granulating tank medium position, the particle that these volumes are bigger is downward along the stirring-granulating tank center, flow by the pool wall direction around the mind-set at the bottom of the pond again after arriving at the bottom of the pond, carry out precipitation process in the second-level settling pond along flowing into after pool wall rises to the pond face then; With the throw out in one-level settling tank and the second-level settling pond deliver to make drying and other treatment in the mummifying pool after, use with its landfill or as industrial stopping composition or fuel again; Clear water in the second-level settling pond is directly discharged or reclaims as process water and reuse.Flocculation agent can directly adopt the flocculation agent of any kind of selling on the market, but preferably adopt polymerize aluminum chloride as flocculation agent according to experimental analysis, in order to reach better treatment effect, also can in polymerize aluminum chloride, add the polyacrylamide of using as coagulant aids, the shared weight part of its polymerize aluminum chloride and polyacrylamide is respectively 40～50 parts of polymerize aluminum chlorides, 1～2 part of polyacrylamide.
When implementing method of the present invention, preferably use the stirring-granulating pool device of processing trade effluent of the present invention, when making a kind of stirring-granulating tank of handling trade effluent of the present invention, its structure as shown in Figure 1, during making, the pond system of stirring-granulating tank 1 is made the drum shape, center position at stirring-granulating tank 1 is installed a tubular shaft 2, the stirring blade 3 that haves three layers is installed on tubular shaft 2 at least, be made as the length of middle one deck stirring blade 3 the shortest, be made as the length of last layer and basecoat stirring blade 3 the longest, the number of plies of the stirring blade 3 on being installed in tubular shaft 2 is more than or equal to 5 the time, length from last layer to the stirring blade 3 of other layer middle one deck is made into from top to bottom and shortens gradually, and promptly the length of last layer stirring blade 3 is made into greater than the length of one deck stirring blade 3 down; And the length of the stirring blade 3 from middle one deck to other layer the basecoat is made into growth gradually, the length that is last layer stirring blade 3 is made into less than the length of descending one deck stirring blade 3, can reach better granulation effect so in use, the blade quantity of every layer of stirring blade 3 is made as 2～5, and it is fixed on the tubular shaft 2 by the circumference uniform distribution; On tubular shaft 2, produce the through hole 4 that several are used as blowing air simultaneously, produce in the upper center position of stirring-granulating tank 1 and to add the hopper 5 that the flocculation agent spice is used, above stirring-granulating tank 1, install motor 6, and make the motor 6 can drive sleeve 2 by transmission mechanism.Its transmission mechanism can adopt traditional belt transmission or wheel gearing.
Claims (9)
1. method of handling trade effluent, it is characterized in that: trade effluent is flow to earlier in the one-level settling tank it is carried out precipitation process, when the one-level precipitation process, size according to Pollutant levels in the trade effluent adds flocculation agent in trade effluent, the add-on of flocculation agent adds 0～40 gram flocculation agent control by every cubic metre waste water, like this suspended particle that its small part volume is bigger under the effect of flocculation agent of the suspended substance in the trade effluent will accumulation in settling tank, the less suspended particle of most of volume is flowed into water carries out stirring-granulating in the next stirring-granulating tank and handle; After the trade effluent that contains suspended substance flows in the stirring-granulating tank, adding flocculation agent when trade effluent is stirred in stirring-granulating tank stirs with trade effluent, the add-on of flocculation agent adds 30～60 gram flocculation agent controls by every cubic metre water, its granularity will further increase under suspended substance in the industrial sewage acts in stirring and flocculation agent, these trade effluents that contain the macrobead thing of crossing through stir process sewage surface in the stirring-granulating tank is fed directly to carries out precipitation process in the second-level settling pond, and the less alumen ustum of the formed granularity of the suspended substance in the stirring-granulating tank (i.e. the less flocs unit of the volume of Xing Chenging) is done entad motion under the swirling action that stirring produced of stirring-granulating tank, and the central position that is extruded to stirring-granulating tank is further mixed the back and is formed the bigger particle of volume with the flocculation agent that adds from the stirring-granulating tank medium position, the particle that these volumes increase gradually is downward along the stirring-granulating tank center, flow by the pool wall direction around the mind-set at the bottom of the pond again after arriving at the bottom of the pond, further carry out precipitation process in the second-level settling pond along flowing into after pool wall rises to the pond face then.
2. the method for processing trade effluent according to claim 1 is characterized in that: with the throw out in one-level settling tank and the second-level settling pond deliver to make drying and other treatment in the mummifying pool after, use with its landfill or as industrial stopping composition or fuel again; Clear water in the second-level settling pond is directly discharged or reclaims as process water and reuse.
3. the method for processing trade effluent according to claim 1 is characterized in that: described trade effluent is the sewage that discharge in mining area or colliery.
4. the method for processing trade effluent according to claim 1 is characterized in that: described flocculation agent is a polymerize aluminum chloride.
5. the method for processing trade effluent according to claim 4, it is characterized in that: in polymerize aluminum chloride, also be added with the polyacrylamide of using as coagulant aids, the shared weight part of its polymerize aluminum chloride and polyacrylamide is respectively 40～50 parts of polymerize aluminum chlorides, 1～2 part of polyacrylamide.
6. the method for processing trade effluent according to claim 1 is characterized in that: an aerator and a chlorine dioxide generator are installed in the water inlet of one-level settling tank.
7. stirring-granulating tank of handling trade effluent, it is characterized in that: the pond body of stirring-granulating tank (1) is the drum shape, center position at stirring-granulating tank (1) is equipped with a tubular shaft (2), the stirring blade (3) that haves three layers is installed on tubular shaft (2) at least, and the length of middle one deck stirring blade (3) is the shortest, the length of last layer and basecoat stirring blade (3) is the longest, on tubular shaft (2), be provided with the through hole of using as blowing air (4), be provided with the hopper (5) that adds the flocculation agent spice in the upper center position of stirring-granulating tank (1), be provided with motor (6) in the top of stirring-granulating tank (1), and motor (6) is by transmission mechanism drive sleeve (2).
8. the stirring-granulating tank of processing trade effluent according to claim 7, it is characterized in that: the number of plies of the stirring blade (3) on being installed in tubular shaft (2) is more than or equal to 5 the time, length from last layer to the stirring blade (3) of other layer middle one deck shortens from top to bottom gradually, and promptly the length of last layer stirring blade (3) is greater than the length of one deck stirring blade (3) down; And the length of the stirring blade from middle one deck to other layer the basecoat (3) increases gradually, and promptly the length of last layer stirring blade (3) is less than the length of following one deck stirring blade (3).
9. the stirring-granulating tank of processing trade effluent according to claim 7 is characterized in that: the blade quantity of every layer of stirring blade (3) is 2～5, and is fixed on the tubular shaft (2) by the circumference uniform distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009103049038A CN101602553A (en) | 2009-07-28 | 2009-07-28 | A kind of method and stirring-granulating tank thereof of handling trade effluent |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009103049038A CN101602553A (en) | 2009-07-28 | 2009-07-28 | A kind of method and stirring-granulating tank thereof of handling trade effluent |
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| CN101602553A true CN101602553A (en) | 2009-12-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015114254A1 (en) | 2014-01-29 | 2015-08-06 | Roquette Frères | Method for treating water |
| CN105854771A (en) * | 2016-06-06 | 2016-08-17 | 无锡市翱宇特新科技发展有限公司 | Efficient reaction kettle |
| CN107262499A (en) * | 2017-06-28 | 2017-10-20 | 四川壹家易信息技术有限公司 | For the Recovery Purifying structure of remaining meal rubbish |
| CN109095748A (en) * | 2018-10-09 | 2018-12-28 | 湖北中瑞世家建筑工程有限公司 | A kind of highly effective sludge processing system |
| CN111153480A (en) * | 2020-04-08 | 2020-05-15 | 鲁东大学 | Chemical wastewater treatment device |
-
2009
- 2009-07-28 CN CNA2009103049038A patent/CN101602553A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015114254A1 (en) | 2014-01-29 | 2015-08-06 | Roquette Frères | Method for treating water |
| CN105854771A (en) * | 2016-06-06 | 2016-08-17 | 无锡市翱宇特新科技发展有限公司 | Efficient reaction kettle |
| CN107262499A (en) * | 2017-06-28 | 2017-10-20 | 四川壹家易信息技术有限公司 | For the Recovery Purifying structure of remaining meal rubbish |
| CN109095748A (en) * | 2018-10-09 | 2018-12-28 | 湖北中瑞世家建筑工程有限公司 | A kind of highly effective sludge processing system |
| CN109095748B (en) * | 2018-10-09 | 2024-05-31 | 武汉中能华源设计咨询有限公司 | Efficient sludge treatment system |
| CN111153480A (en) * | 2020-04-08 | 2020-05-15 | 鲁东大学 | Chemical wastewater treatment device |
| CN111153480B (en) * | 2020-04-08 | 2020-07-24 | 鲁东大学 | Chemical wastewater treatment device |
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Application publication date: 20091216 |