CN104118950A - Efficient waste water purification system and waste water purification process - Google Patents
Efficient waste water purification system and waste water purification process Download PDFInfo
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- CN104118950A CN104118950A CN201410313781.XA CN201410313781A CN104118950A CN 104118950 A CN104118950 A CN 104118950A CN 201410313781 A CN201410313781 A CN 201410313781A CN 104118950 A CN104118950 A CN 104118950A
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- waste water
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Abstract
The objective of the invention is to provide an efficient waste water purification system having precipitation, filtration and adsorption functions simultaneously, and a waste water purification process utilizing the system. The system comprises a waste water supplying tank, and also comprises a flocculant metering pump, a mixing tank, a waste water pump, a purification tower and a sludge pot. The flocculant metering pump is connected to a pipeline between the waste water supply tank and the mixing tank. A discharging port of the mixing tank is communicated with the water inlet of the waste water pump. The water outlet of the waste water pump is connected to the feeding port of the purification tower. The lower part of the purification tower is communicated with the sludge pot. The sludge pot discharges sludge to the outside. The upper part of the purification tower is communicated with a water discharging pipe. By utilization of the system, "precipitation", "filtration" and "adsorption" are achieved by the waste water purification process so that treated water can reach the standard of discharging. The system and the process can be used for the field of treatment of industrial waste water and domestic sewage.
Description
Technical field
The present invention relates to a kind of effluent purifying device, relate in particular to and a kind ofly can possess the efficient waste water purification system that precipitation, filtration and adsorption function are integrated simultaneously, and utilize this system to carry out the technique of purification of waste water.
Background technology
The waste water that industrial production produces is fatefulue to the pollution of environment, and the various metallic elements that contain in trade effluent etc. all can produce irreversible having a strong impact on to environment.Trade effluent is varied, mainly to divide according to industrial product is different, as papermaking, food, chemical industry, weaving, iron and steel, process hides, oil and coal, cement, metal products and non-ferrous metals industry, and the waste water treatment producing for paper industry is reported more one-level materialization processing both at home and abroad and mostly is to adopt chemical coagulation, neutralization, precipitation, centrifugation, air supporting, ultrafiltration or ultrafiltration and centrifugal combining.In recent years, also there is a kind of crying " integral flocculation-biochemical sewage water treatment method and equipment ", but this equipment is in fact also a kind of method of coagulating sedimentation, by waste water, is just also simply that " mud " is separated with throw out, there is no the function of adsorption filtration.There is in addition the invention of the report U.S. to have a kind of SPR of crying wastewater processing technology, the throw out that has utilized exactly waste water to produce, but adopted filler in this technology, equipment operation certain hour needs back flushing, wastewater treatment continuous and steady operation is affected, therefore though this technology is introduced by domestic Yi Jia environmental protection company, promotes and is subject to certain restrictions at home.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, a kind of efficient waste water purification system simultaneously with precipitation, filtration and adsorption function is provided, and utilizes this system to carry out the technique of purification of waste water.
The technical scheme that efficient waste water purification system of the present invention adopts is: described system comprises waste water feed cistern, this system also comprises flocculation agent volume pump, mixing tank, waste water pump, scavenging tower and sludge tank, described flocculation agent volume pump is connected on the pipeline between described waste water feed cistern and described mixing tank, the discharge port of described mixing tank is communicated with the water-in of described waste water pump, the water outlet of described waste water pump connects the opening for feed of described scavenging tower, the bottom of described scavenging tower is communicated with described sludge tank, described sludge tank outwards discharges mud, the top of described scavenging tower is communicated with rising pipe.
Further, in described scavenging tower, be provided with waste water hybrid reaction district, flocculation zone, sludge discharging area and clear water zone, described waste water hybrid reaction district, described flocculation zone, described sludge discharging area and described clear water zone are successively set in described scavenging tower from the bottom to top, in described sludge discharging area, be provided with a shore pipe I, the outer end of described shore pipe I is connected with described sludge tank.
Further, this system is provided with two-way pipeline in the exit of described rising pipe, and wherein a road is as clear water pipeline up to standard, and another road is provided with biochemical treatment tank, is provided with valve on pipeline described in two-way.
Further, the discharge port place of described sludge tank is provided with two-way outlet, is wherein provided with on the way pressure filter, is separately provided with on the way slanted screen, on the tie point of two-way outlet, is provided with sludge pump.
Further, in the bottom of described scavenging tower, be also provided with shore pipe II.
The technical scheme that the purification process of efficient waste water purification system of the present invention adopts is that this technique comprises the following steps:
(1) start 2～3min carries out spoil disposal, simultaneously the stopping property of detection system;
(2) according to ratio, to described flocculation agent volume pump, add flocculation agent, the waste water in described waste water feed cistern mixes with flocculation agent in course of conveying, enters described mixing tank and mixes, and mixing time is 2～20min;
(3) waste water pump is by the mass transport in mixing tank in described scavenging tower, precipitates, filtration, absorption reaction in described scavenging tower, and the time is 40～150min;
(4) described scavenging tower is discharged clear water by rising pipe, to described sludge tank discharge mud.
Further, this technique is also externally connected with pressure filter and slanted screen at described sludge tank, and when fibre content in mud is higher, mud arrives described slanted screen and carries out fiber recovery; When the fibre content in mud is not high, mud arrives described pressure filter and press dry processing.
Further, when the water flowing out from described rising pipe is below standard, water arrives biochemical treatment tank and carries out biochemical reaction, last qualified discharge.
Further, described flocculation agent is one or more the combination in sodium hydroxide, Tai-Ace S 150, ferrous sulfate, polymerize aluminum chloride, poly-ferric chloride or polymer PAM.
Further, the pH value in described mixing tank is 6.5～8.5.
The invention has the beneficial effects as follows: the present invention by adding flocculation agent to make fiber fines, pigment and the adhesive etc. of waste water produce flocculation in waste water, form stronger " flocculate precipitate " of similar netted absorption ability, and in scavenging tower, form certain altitude, the filtration absorption body that waste water forms by this " flocculate precipitate ", make waste water except realizing solid-liquid separation, the purifying treatment that can also realize filtration and similar " gac " absorption, pollutants removal rate is higher by 25～30% than traditional " coagulating sedimentation " or " air supporting " technique.After mud bed forms, medicament expense can reduce 20～30% than traditional " coagulating sedimentation " or " air supporting " technique.Make full use of in the present invention waste water and react i.e. " mud " stable " the Filtration Adsorption fluidized-bed " of form in equipment of the throw out that generates with coagulating agent, waste water is by filtration and the absorption of this " Filtration Adsorption fluidized-bed ", not only make waste water obtain solid-liquid separation, the more important thing is the purifying treatment that has obtained similar " charcoal absorption ".Waste water has completed " precipitation ", " filtration " and " absorption " multiple treatment process in efficient purifying system, just solid substance and waste water are isolated less than further purifying treatment is different from traditional one-level materialization treatment process (coagulating sedimentation or air supporting), efficient waste water purification system not only has traditional one-level materialization treatment process feature, and equipment that can be to the further advanced treatment of waste water (" filtration " and " absorption "), to recycling in a large number the high COD of rear formation
cr, high SS, high chroma the clearance effect highly significant of paper waste.Empirical tests, paper waste pollutants removal rate reaches: suspended substance (SS) clearance is greater than 99%; Chemical oxygen demand (COD
cr) clearance is greater than 90%, biological oxygen demand (BOD
5) clearance is greater than 80%, the clearance of colourity is greater than 99%.
Accompanying drawing explanation
Fig. 1 is the easy structure schematic diagram of system of the present invention;
Fig. 2 is the easy structure schematic diagram of described scavenging tower.
Embodiment
As illustrated in fig. 1 and 2, in the present embodiment, the present invention includes waste water feed cistern 1.This system also comprises flocculation agent volume pump 2, mixing tank 3, waste water pump 4, scavenging tower 5 and sludge tank 6, and described flocculation agent volume pump 2 is connected on the pipeline between described waste water feed cistern 1 and described mixing tank 3.In the present embodiment, flocculation agent volume pump 2 also can adopt the combination of dosing pump and under meter can reach same flocculation agent interpolation metering effect; Certainly, also can adopt other metering method to carry out flocculation agent interpolation, as adopted feed hopper can realize too, but while utilizing feed hopper, need to carry out encapsulation process.The discharge port of described mixing tank 3 is communicated with the water-in of described waste water pump 4, the water outlet of described waste water pump 4 connects the opening for feed of described scavenging tower 5, the bottom of described scavenging tower 5 is communicated with described sludge tank 6, and described sludge tank 6 is discharge mud outwards, and the top of described scavenging tower 5 is communicated with rising pipe 7.
In described scavenging tower 5, be provided with waste water hybrid reaction district 51, flocculation zone 52,53Ji clear water zone, sludge discharging area 54, described waste water hybrid reaction district 51, described flocculation zone 52, described sludge discharging area 53 and described clear water zone 54 are successively set in described scavenging tower 5 from the bottom to top, in described sludge discharging area 53, be provided with a shore pipe I 55, the outer end of described shore pipe I 55 is connected with described sludge tank 6.Bottom at described scavenging tower 5 is also provided with shore pipe II 56.In described scavenging tower 5, the opening for feed of described scavenging tower is communicated with described waste water hybrid reaction district 51, and by the pressure of described waste water pump 4, the waste water that enters into described waste water hybrid reaction district 51 rotates from stirring; After mixing completes, and under the pressure-acting of described waste water pump 4, waste water flows out downwards and from the lower openings in described waste water hybrid reaction district 51, walks around behind the edge in described waste water hybrid reaction district 51, moves upward, and enters described flocculation zone 52; In described flocculation zone 52, in, there is gradually to flocculate and adsorb the pollutent in waste water in waste water, and flocbed continues to thicken; In 53He clear water zone, the sludge discharging area on upper strata 54, mud is deposited in sludge discharging area 53 gradually, and by described shore pipe I 55, the mud in sludge discharging area 53 is pulled away.In fact, whole flocculation zone 52 and described sludge discharging area 53 can not be distinguished significantly, and under the effect of shore pipe I 55, the mud on upper strata is taken away gradually, and the mud of lower floor moves on gradually, and it is constantly circulating, and forms a Filtration Adsorption fluidized-bed.
This system is provided with two-way pipeline in the exit of described rising pipe 7, and wherein a road is as clear water pipeline up to standard, and another road is provided with biochemical treatment tank 8, is provided with valve 9 on pipeline described in two-way.The discharge port place of described sludge tank 6 is provided with two-way outlet, is wherein provided with on the way pressure filter 10, is separately provided with on the way slanted screen 11, is provided with sludge pump 12 on the tie point of two-way outlet.
It is as follows that the present invention utilizes said system to carry out the processing step of purification of waste water processing:
(1) start 2～3min, carries out spoil disposal by described shore pipe II 56, simultaneously the stopping property of detection system;
(2) according to ratio, to described flocculation agent volume pump, add flocculation agent, the waste water in described waste water feed cistern mixes with flocculation agent in course of conveying, enters described mixing tank and mixes, and mixing time is 2～20min;
(3) waste water pump is by the mass transport in mixing tank in described scavenging tower, precipitates, filtration, absorption reaction in described scavenging tower, and the time is 40～150min;
(4) described scavenging tower is discharged clear water by rising pipe, to described sludge tank discharge mud.
This technique is also externally connected with pressure filter and slanted screen at described sludge tank, and when fibre content in mud is higher, mud arrives described slanted screen and carries out fiber recovery; When the fibre content in mud is not high, mud arrives described pressure filter and press dry processing.When the water flowing out from described rising pipe is below standard, water arrives biochemical treatment tank and carries out biochemical reaction, last qualified discharge.Described flocculation agent is one or more the combination in sodium hydroxide, Tai-Ace S 150, ferrous sulfate, polymerize aluminum chloride, poly-ferric chloride or polymer PAM.As usingd sodium hydroxide 100mg/L, polymerize aluminum chloride (PAC) 250 mg/L and polymer PAM10 mg/L as flocculation agent, or using sodium hydroxide 100mg/L, Tai-Ace S 150 600 mg/L and polymer PAM10 mg/L as flocculation agent, or using sodium hydroxide 100mg/L, poly-ferric chloride 500 mg/L and polymer PAM mg/L as flocculation agent, then or using sodium hydroxide 100mg/L, ferrous sulfate 600 mg/L and polymer PAM10 mg/L as flocculation agent.PH value in described mixing tank is 6.5～8.5.
Known through experiment, system of the present invention and process makes full use waste water react the throw out generating with coagulating agent be " mud " stable " Filtration Adsorption fluidized-bed " of form in system, waste water is by filtration and the absorption of this " Filtration Adsorption fluidized-bed ", not only make waste water obtain solid-liquid separation, and obtained the purifying treatment of similar " charcoal absorption ".Waste water has completed " precipitation ", " filtration " and " absorption " multiple treatment process in system, just solid substance and waste water are isolated less than further purifying treatment is different from traditional one-level materialization treatment process (coagulating sedimentation or air supporting), the present invention not only has traditional one-level materialization treatment process feature, and equipment that can be to the further advanced treatment of waste water (" filtration " and " absorption ").
Certainly, the present invention also may be used in the middle of sanitary sewage disposal.Sanitary sewage is through the processing of system of the present invention, can qualified discharge, can not cause detrimentally affect to environment.
The present invention can be applicable to trade effluent and sanitary sewage disposal field.
Claims (10)
1. an efficient waste water purification system, comprise waste water feed cistern (1), it is characterized in that: this system also comprises flocculation agent volume pump (2), mixing tank (3), waste water pump (4), scavenging tower (5) and sludge tank (6), described flocculation agent volume pump (2) is connected on the pipeline between described waste water feed cistern (1) and described mixing tank (3), the discharge port of described mixing tank (3) is communicated with the water-in of described waste water pump (4), the water outlet of described waste water pump (4) connects the opening for feed of described scavenging tower (5), the bottom of described scavenging tower (5) is communicated with described sludge tank (6), described sludge tank (6) outwards discharges mud, the top of described scavenging tower (5) is communicated with rising pipe (7).
2. efficient waste water purification system according to claim 1, it is characterized in that: in described scavenging tower (5), be provided with waste water hybrid reaction district (51), flocculation zone (52), sludge discharging area (53) and clear water zone (54), described waste water hybrid reaction district (51), described flocculation zone (52), described sludge discharging area (53) and described clear water zone (54) are successively set in described scavenging tower (5) from the bottom to top, in described sludge discharging area (53), be provided with a shore pipe I (55), the outer end of described shore pipe I (55) is connected with described sludge tank (6).
3. efficient waste water purification system according to claim 2, it is characterized in that: this system is provided with two-way pipeline in the exit of described rising pipe (7), wherein a road is as clear water pipeline up to standard, another road is provided with biochemical treatment tank (8), is provided with valve (9) on pipeline described in two-way.
4. efficient waste water purification system according to claim 3, it is characterized in that: the discharge port place of described sludge tank (6) is provided with two-way outlet, wherein be provided with on the way pressure filter (10), separately be provided with on the way slanted screen (11), on the tie point of two-way outlet, be provided with sludge pump (12).
5. efficient waste water purification system according to claim 2, is characterized in that: in the bottom of described scavenging tower (5), be also provided with shore pipe II (56).
6. a process for purifying waste water that utilizes efficient waste water purification system as claimed in claim 1, is characterized in that, this technique comprises the following steps:
(1) start 2～3min carries out spoil disposal, simultaneously the stopping property of detection system;
(2) according to ratio, to described flocculation agent volume pump, add flocculation agent, the waste water in described waste water feed cistern mixes with flocculation agent in course of conveying, enters described mixing tank and mixes, and mixing time is 2～20min;
(3) waste water pump is by the mass transport in mixing tank in described scavenging tower, precipitates, filtration, absorption reaction in described scavenging tower, and the time is 40～150min;
(4) described scavenging tower is discharged clear water by rising pipe, to described sludge tank discharge mud.
7. process for purifying waste water according to claim 5, is characterized in that, this technique is also externally connected with pressure filter and slanted screen at described sludge tank, and when fibre content in mud is higher, mud arrives described slanted screen and carries out fiber recovery; When the fibre content in mud is not high, mud arrives described pressure filter and press dry processing.
8. process for purifying waste water according to claim 5, is characterized in that: when the water flowing out from described rising pipe is below standard, water arrives biochemical treatment tank and carries out biochemical reaction, last qualified discharge.
9. process for purifying waste water according to claim 5, is characterized in that: described flocculation agent is one or more the combination in sodium hydroxide, ferrous sulfate, Tai-Ace S 150, polymerize aluminum chloride, poly-ferric chloride or polymer PAM.
10. process for purifying waste water according to claim 8, is characterized in that: the pH value in described mixing tank is 6.5～8.5.
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| CN201410313781.XA CN104118950A (en) | 2014-07-03 | 2014-07-03 | Efficient waste water purification system and waste water purification process |
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| CN201410313781.XA CN104118950A (en) | 2014-07-03 | 2014-07-03 | Efficient waste water purification system and waste water purification process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000715A (en) * | 2015-07-24 | 2015-10-28 | 启东市爱尔镀环保设备有限公司 | Sewage purification method |
| CN105036394A (en) * | 2015-07-24 | 2015-11-11 | 启东市爱尔镀环保设备有限公司 | Lignin sewage treatment method |
| CN105060527A (en) * | 2015-07-24 | 2015-11-18 | 启东市爱尔镀环保设备有限公司 | Efficient sewage purification method |
| CN105060548A (en) * | 2015-07-24 | 2015-11-18 | 启东市爱尔镀环保设备有限公司 | Sewage treatment method |
| CN106946380A (en) * | 2017-05-11 | 2017-07-14 | 济南蓝海洋环保科技有限公司 | A kind of high-turbidity water purifier and purification method for effluent |
-
2014
- 2014-07-03 CN CN201410313781.XA patent/CN104118950A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000715A (en) * | 2015-07-24 | 2015-10-28 | 启东市爱尔镀环保设备有限公司 | Sewage purification method |
| CN105036394A (en) * | 2015-07-24 | 2015-11-11 | 启东市爱尔镀环保设备有限公司 | Lignin sewage treatment method |
| CN105060527A (en) * | 2015-07-24 | 2015-11-18 | 启东市爱尔镀环保设备有限公司 | Efficient sewage purification method |
| CN105060548A (en) * | 2015-07-24 | 2015-11-18 | 启东市爱尔镀环保设备有限公司 | Sewage treatment method |
| CN106946380A (en) * | 2017-05-11 | 2017-07-14 | 济南蓝海洋环保科技有限公司 | A kind of high-turbidity water purifier and purification method for effluent |
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Application publication date: 20141029 |
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