CN104370432A - Sewage processing technology reducing usage amount of flocculating agent - Google Patents
Sewage processing technology reducing usage amount of flocculating agent Download PDFInfo
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- CN104370432A CN104370432A CN201410333611.8A CN201410333611A CN104370432A CN 104370432 A CN104370432 A CN 104370432A CN 201410333611 A CN201410333611 A CN 201410333611A CN 104370432 A CN104370432 A CN 104370432A
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- settling tank
- filtrate
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- pool
- mud
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- 239000010865 sewage Substances 0.000 title claims abstract description 34
- 238000005516 engineering process Methods 0.000 title abstract description 6
- 239000008394 flocculating agent Substances 0.000 title abstract description 6
- 238000012545 processing Methods 0.000 title abstract description 5
- 239000000706 filtrate Substances 0.000 claims abstract description 76
- 239000010802 sludge Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 239000006228 supernatant Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000012065 filter cake Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 23
- 239000000725 suspension Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 10
- 238000004062 sedimentation Methods 0.000 abstract description 6
- 239000002244 precipitate Substances 0.000 abstract description 2
- 229940079593 drug Drugs 0.000 abstract 8
- 238000005086 pumping Methods 0.000 abstract 7
- 239000003795 chemical substances by application Substances 0.000 description 27
- 238000005189 flocculation Methods 0.000 description 25
- 230000016615 flocculation Effects 0.000 description 23
- 239000002245 particle Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000000207 volumetry Methods 0.000 description 1
Classifications
-
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention belongs to the technical field of sewage processing, and especially relates to a sewage processing technology reducing the usage amount of a flocculating agent. The sewage processing technology comprises the following steps: step 1, pumping sludge into a sludge concentrating pool for sludge concentrating; step 2, pumping the concentrated sludge obtained in the step 1 into a dynamic mixer by a sludge pump; step 3, pumping a drug liquid in a drug-liquid stirring pool into a drug adding pool for drug adding and proportioning; step 4, pumping the drug liquid subjected to drug adding and proportioning in the drug adding pool in the step 3 into the dynamic mixer by a drug pump; step 5, performing dynamic uniform mixing on the concentrated sludge and the drug liquid by the dynamic mixer; step 6, pumping sludge subjected to dynamic uniform mixing in the step 5 into a sludge filter press for filter pressing operation; step 7, discharging the filter cake obtained by filter pressing in the step 6 from the sludge filter press, and discharging the residual filtrate into a filtrate sedimentation pool for concentrated sedimentation; step 8, pumping the supernatant in the sedimentation pool into the drug-liquid stirring pool for uniform stirring; step 9, repeating operation of the step 3; and step 10, pumping out the precipitate in the filtrate sedimentation pool in the step 7 from the pool bottom, and introducing into the sludge concentrating pool to perform the operation of the step 6.
Description
Technical field
The invention belongs to technical field of sewage, particularly a kind of sewage treatment process reducing flocculant usage.
Background technology
Along with improving constantly of China's urban wastewater treatment rate, town sewage plant sludge output also sharply increases.Put into operation the whole nation in 2009 urban wastewater treatment firm 1992, sewage load 280 billion cubic meter, produces the mud 2,005 ten thousand of water ratio about 80%.Put into operation successively along with in the 2000 Duo Zuo sewage works built, national mud generation will break through 3,000 ten thousand tons very soon.The most sludge from wastewater treatment plant treatment process of China adopts thickening, and adopts sewage work's ratio of stabilization treatment less than 20%, the ultimate disposal that have impact on mud to a great extent not in place of most of sludge of sewage treatment plant process.The excess sludge that sewage produces in biochemical treatment process is the electronegative population of water ratio abundant (water ratio reaches 95%-99.5%), therefore dehydration operation must be carried out to it, to reduce moisture percentage in sewage sludge, reduce quality and the volume of mud, so that dispose further.At present, effectively reducing most moisture percentage in sewage sludge approach is select suitable flocculation agent as the case may be, its action principle is by adding flocculation agent, chemically react on mud gelatinous layer surface, in and the electric charge of mud gelatinous layer, and impel mud granule to be condensed into large particle flock by bridging action, make water spin off from mud granule simultaneously, thus improve dewatering performance of sludge., how processing this problem for sewage is extremely urgent all the time, and the technique of current sewage disposal is continue to use traditional technology always, that is, agent-feeding treatment, and sludge dewatering, waste water is arranged outward.In the agent-feeding treatment stage, " flocculation agent " is that sewage is requisite, and so-called flocculation agent refers to that the fine-grained solids that can make to disperse in liquid forms the high molecular polymer of throw out; Inorganic and organic two classes totally can be divided into according to its chemical composition.Wherein inorganic flocculating agent comprises inorganic flocculant and inorganic polymer flocculant, organic floculant comprises Syn-Organic flocculants, natural organic high-molecular flocculant and microbial flocculant, theoretical basis is that " coalescence " is theoretical, flocculation agent is mainly by neutralizing with the particle being electrically difficult to be separated with negative (just) in some water with just (bearing) in electrical group, thus to reduce sewage electromotive force be that in sewage, particle tends towards stability state, and the character utilizing it to be polymerized makes these particles concentrate, separate eventually through physics or chemical process, and after mud after agent-feeding treatment is separated, its waste water is usually just directly outer have been arranged, so prior art Problems existing is: adopting flocculation agent sewage to be carried out cohesion is disposable operation, flocculation agent is not only made to cause a large amount of wastes, also easy secondary pollution is caused to environment.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of and flocculation agent can be avoided to waste and environment is caused to the sewage treatment process of reduction flocculant usage of secondary pollution.
Technical solution of the present invention is: a kind of sewage treatment process reducing flocculant usage, is characterized in that: comprise the steps:
Step 1, pumps into sludge thickener and carries out sludge condensation operation by mud;
Step 2, pumps into dynamic mixer by the thickened sludge in step 1 by sludge pump;
Step 3, pumps into dosing pond by the liquid in medicinal liquid agitating pond and carries out dosing proportioning;
Step 4, pumps into dynamic mixer by the liquid of dosing pond after dosing proportioning in step 3 through compound pump;
Step 5, dynamic mixer dynamically mixes thickened sludge and liquid;
Step 6, will pump into sludge filter press and carry out press filtration operation by mud after step 5 dynamically mixing;
Step 7, discharges sludge filter press by the filter cake after step 6 press filtration, and remaining filtrate enters filtrate settling tank and carries out concentrating precipitation;
Step 8, pumps into medicinal liquid agitating pond by the supernatant liquor in settling tank and carries out uniform stirring;
Step 9, the operation of repeating step 3;
Step 10, extracts out the throw out in filtrate settling tank in step 7 at the bottom of pond, and importing sludge thickener carries out step 6 and operates;
After adopting above scheme, compared with prior art, the present invention has the following advantages: the filtrate after mud-water separation is concentrated precipitation, and extract the important component part that supernatant liquor carries out the production of flocculation agent decrement, volume is larger, and filtrate settling ratio is higher.Filtrate settling tank after waste water after sludge dewatering imports press filtration machine room is precipitated, adds holding water pump, pipe laying, extract supernatant liquor and import dosing pond between pressure mud, replace clear water to mix medicine, constitute utilization process flow process.Wastewater recycling device, utilizes " flocculation agent " molecule content in waste water, reduces " flocculation agent " and produce consumption, flocculation agent so not only can be avoided to waste, save the consumption of flocculation agent, and not have trade effluent and arrange outward, all the time circulate in inside, avoid secondary pollution.
As preferably, remaining filtrate enters filtrate settling tank and carries out mud that concentrated precipitation specifically refers to that sludge pump place produces through mechanical dehydration, and the filtrate after mud, water separation is entered filtrate settling tank; Enter the flocculating agent molecule that the filtrate in filtrate settling tank contains so more, and supernatant liquor recovery utilization rate after precipitate and separate is higher.
As improvement, the electron density survey meter for detecting flocculant concentration in agitated pool is also housed in described medicinal liquid agitating pond; Due to electron density survey meter existence can scientific and effective regulate and control " flocculation agent " consumption.
As preferably, described filtrate settling tank comprise water-in, water outlet and mud discharging mouth, described mud discharging mouth is positioned at the bottom of settling tank, and described water-in and water outlet are all positioned on settling tank pool wall and the height of water-in is less than the height of water outlet; Such structure can ensure filtrate effectively to precipitate, and the mud of bottom can be discharged in time, and is the supernatant liquor in filtrate settling tank when being sent into made up a prescription pond by filtrate settling tank.
As improvement, the Turbidity measurement instrument for detecting the muddy degree of filtrate in filtrate settling tank is also had in described filtrate settling tank, described Turbidity measurement instrument is arranged in filtrate settling tank, such benefit is the muddy degree that can detect in time in filtrate settling tank, enters unnecessary outstanding solidifying agent molecule into dosing pond after suspended substance can be made to precipitate further again.
As improvement, also have the chromaticity detector for detecting colourity in filtrate settling tank in described filtrate settling tank, the inductor block of described chromaticity detector is arranged on the middle part of filtrate settling tank; In settling tank, the colourity of precipitated liquid is also one of performance of concentration of suspension in reflection settling tank, so set up chromaticity detector can detect concentration of suspension in settling tank further.
As improvement, be also provided with concentration of suspension detector in described filtrate settling tank, the inductor block of described concentration of suspension detector is arranged on the middle part of filtrate settling tank; Suspended substance detector also can detect the concentration of the suspended substance in settling tank further, multinomial detection thus guarantee that the liquid entered in dosing agitated pool is the supernatant liquor containing outstanding solidifying agent.
Figure of description
Accompanying drawing 1 is the sewage treatment process figure of prior art.
Accompanying drawing 2 is sewage treatment process figure of the present invention.
Accompanying drawing 3 is the working model of filtrate settling tank.
Embodiment
As can be seen from Figure 1 in the current sewage disposal of China, sludge treating block technical process, the mud cake outward transport formed after sludge dewatering is disposed, use is dumped outside filtrate mixing spray water after mud-water separation, some enterprises enter environment the waste water of discharging, or import wastewater inlet, enter sewage disposal production line, form re-treatment, cause resource waste and pollution environment.
Sewage disposal uses " flocculation agent " to belong to macromolecular compound, there is " extremely water-soluble " same characteristic, take water molecules as matrix flocculated suspension thing, coagulating sedimentation, stable chemical nature, after after dilution, " flocculation agent " mixes with primary sludge, form free molecule, through dewatering technology of mud flow process, mud-water separation, the rear water body of separation carries " flocculation agent " molecule in a large number and is discharged, we with dosing pond " flocculation agent " levels for reference data, adopt volumetry, settling ratio, do chemical content test, to calculate after mud-water separation in filtrate contained " flocculation agent " content at more than 0.22mg/L, there is very high utility value.
Experimental comparison:
We are that point of penetration is studied from sludge treating block, and in the original sludge treatment technique flow process of maintenance, creativity and innovation, newly designs a set of technical process, waste water recycling, reduces the production consumption of " flocculation agent ".
As shown in Figure 2: a kind of sewage treatment process reducing flocculant usage, is characterized in that: comprise the steps:
Step 1, pumps into sludge thickener and carries out sludge condensation operation by mud;
Step 2, pumps into dynamic mixer by the thickened sludge in step 1 by sludge pump;
Step 3, pumps into dosing pond by the liquid in medicinal liquid agitating pond and carries out dosing proportioning;
Step 4, pumps into dynamic mixer by the liquid of dosing pond after dosing proportioning in step 3 through compound pump;
Step 5, dynamic mixer dynamically mixes thickened sludge and liquid;
Step 6, will pump into sludge filter press and carry out press filtration operation by mud after step 5 dynamically mixing;
Step 7, discharges sludge filter press by the filter cake after step 6 press filtration, and remaining filtrate enters filtrate settling tank and carries out concentrating precipitation;
Step 8, pumps into medicinal liquid agitating pond by the supernatant liquor in settling tank and carries out uniform stirring;
Step 9, the operation of repeating step 3;
Step 10, extracts out the throw out in filtrate settling tank in step 7 at the bottom of pond, and importing sludge thickener carries out step 6 and operates;
The supernatant liquor that can ensure in filtrate settling tank through above step enters medicinal liquid agitating pond again, maximum benefit is that of avoiding secondary pollution, thus " three cause the effect " (teratogenesis decreased because flocculation agent secondary pollution causes, mutagenesis, carcinogenic), remaining filtrate enters filtrate settling tank and carries out mud that concentrated precipitation specifically refers to that sludge pump place produces through mechanical dehydration, by mud, filtrate after water is separated enters filtrate settling tank, the filtrate entering filtrate settling tank like this contains more flocculating agent molecule, but also still also have more mud granule thing simultaneously, flocculation process is proceeded in filtrate settling tank, mud granule thing can sink to the bottom of filtrate settling tank in flocculation process, supernatant liquor is then the liquid substantially without particle containing residue flocculation agent, supernatant liquor being pumped into medicinal liquid agitating pond replaces original clear water to mix medicine, when significantly can reduce dosing again, the consumption of flocculation agent, electron density survey meter for detecting flocculant concentration in agitated pool is also housed in the medicinal liquid agitating pond simultaneously, carry out real-time Concentration Testing with electronics concentration measuring apparatus and can detect concentration levels in medicinal liquid agitating pond in real time, thus prevent flocculant usage excessive.Described filtrate settling tank comprise water-in, water outlet and mud discharging mouth, described mud discharging mouth is positioned at the bottom of settling tank, and described water-in and water outlet are all positioned on settling tank pool wall and the height of water-in is less than the height of water outlet; It is convenient that such structure makes supernatant liquor extract, and the sedimentation effect of filtrate settling tank is better; The Turbidity measurement instrument for detecting the muddy degree of filtrate in filtrate settling tank is also had in described filtrate settling tank, described Turbidity measurement instrument is arranged in filtrate settling tank, such benefit is the muddy degree that can detect in time in filtrate settling tank, enters into dosing pond again after suspended substance can be made to precipitate further by unnecessary outstanding solidifying agent molecule; Also have the chromaticity detector for detecting colourity in filtrate settling tank in described filtrate settling tank, the inductor block of described chromaticity detector is arranged on the middle part of filtrate settling tank; In settling tank, the colourity of precipitated liquid is also one of performance of concentration of suspension in reflection settling tank, so set up chromaticity detector can detect concentration of suspension in settling tank further; Also be provided with concentration of suspension detector in described filtrate settling tank, the inductor block of described concentration of suspension detector is arranged on the middle part of filtrate settling tank; Suspended substance detector also can detect the concentration of the suspended substance in settling tank further, multinomial detection thus guarantee that the liquid entered in dosing agitated pool is the supernatant liquor containing outstanding solidifying agent; The shape of described settling tank can be square, rectangle, circle or oval.
Concerning filtrate settling tank, the assumed conditions of desirable settling tank:
1. particle carries out free setting, and size, density, heavy speed are constant;
2. on horizontal flow water-carrying section, each point flow velocity is equal, remains unchanged;
3. particle sinks at the bottom of pond and is namely removed, and no longer returns in recirculated water.
Working model below for the filtrate settling tank of Fig. 3 is analyzed:
Retain heavy fast u0
Setting tool has the movement locus of the particle of heavy fast u0 to be straight line III.
Consider horizontal flow:
Consider sinking direction:
So
∵ again
∴
(A: filtrate settling tank surface-area)
Therefore, u0 is numerically equal to the flow of unit surface, is called " surface load "
Retain heavy speed: settling tank the heavy speed of smallest particles in the particle that can all remove.
This description does not have restricted, and shown in figure is also one of embodiments of the present invention, and actual structure is not limited thereto.If generally speaking those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (7)
1. reduce a sewage treatment process for flocculant usage, it is characterized in that: comprise the steps:
Step 1, pumps into sludge thickener and carries out sludge condensation operation by mud;
Step 2, pumps into dynamic mixer by the thickened sludge in step 1 by sludge pump;
Step 3, pumps into dosing pond by the liquid in medicinal liquid agitating pond and carries out dosing proportioning;
Step 4, pumps into dynamic mixer by the liquid of dosing pond after dosing proportioning in step 3 through compound pump;
Step 5, dynamic mixer dynamically mixes thickened sludge and liquid;
Step 6, will pump into sludge filter press and carry out press filtration operation by mud after step 5 dynamically mixing;
Step 7, discharges sludge filter press by the filter cake after step 6 press filtration, and remaining filtrate enters filtrate settling tank and carries out concentrating precipitation;
Step 8, pumps into medicinal liquid agitating pond by the supernatant liquor in settling tank and carries out uniform stirring;
Step 9, the operation of repeating step 3;
Step 10, extracts out the throw out in filtrate settling tank in step 7 at the bottom of pond, and importing sludge thickener carries out step 6 and operates.
2. a kind of sewage treatment process reducing flocculant usage according to claim 1, it is characterized in that: remaining filtrate enters filtrate settling tank and carries out mud that concentrated precipitation specifically refers to that sludge pump place produces through mechanical dehydration, and the filtrate after mud, water separation is entered filtrate settling tank.
3. a kind of sewage treatment process reducing flocculant usage according to claim 1, is characterized in that: the electron density survey meter for detecting flocculant concentration in agitated pool is also housed in described medicinal liquid agitating pond.
4. a kind of sewage treatment process reducing flocculant usage according to claim 1, it is characterized in that: described filtrate settling tank comprise water-in, water outlet and mud discharging mouth, described mud discharging mouth is positioned at the bottom of settling tank, and described water-in and water outlet are all positioned on settling tank pool wall and the height of water-in is less than the height of water outlet.
5. a kind of sewage treatment process reducing flocculant usage according to claim 1, it is characterized in that: also have the Turbidity measurement instrument for detecting the muddy degree of filtrate in filtrate settling tank in described filtrate settling tank, described Turbidity measurement instrument is arranged in filtrate settling tank.
6. a kind of sewage treatment process reducing flocculant usage according to claim 1, it is characterized in that: also have the chromaticity detector for detecting colourity in filtrate settling tank in described filtrate settling tank, the inductor block of described chromaticity detector is arranged on the middle part of filtrate settling tank.
7. a kind of sewage treatment process reducing flocculant usage according to claim 1, it is characterized in that: be also provided with concentration of suspension detector in described filtrate settling tank, the inductor block of described concentration of suspension detector is arranged on the middle part of filtrate settling tank.
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| CN201410333611.8A CN104370432B (en) | 2014-07-14 | 2014-07-14 | A kind of sewage treatment process for reducing flocculant usage |
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| CN201410333611.8A CN104370432B (en) | 2014-07-14 | 2014-07-14 | A kind of sewage treatment process for reducing flocculant usage |
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| CN201410333611.8A Expired - Fee Related CN104370432B (en) | 2014-07-14 | 2014-07-14 | A kind of sewage treatment process for reducing flocculant usage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399897A (en) * | 2017-08-04 | 2017-11-28 | 胜利油田龙玺石油工程服务有限责任公司 | A kind of drilling mud processing unit for recycling sewage |
| CN109923076A (en) * | 2016-10-07 | 2019-06-21 | 凯米罗总公司 | For controlling the method and system of hydrophobic conditions and fouling during water intensity |
| CN111574020A (en) * | 2020-04-20 | 2020-08-25 | 广州珞珈环境技术有限公司 | River and lake sludge conditioning method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010069447A (en) * | 2008-09-22 | 2010-04-02 | Kubota Corp | Belt type concentrator and belt cleaning method of belt type concentrator |
| CN101935140A (en) * | 2010-07-23 | 2011-01-05 | 无锡市通用机械厂有限公司 | Dehydration treatment method for tail water sludge of water-work and special apparatus thereof |
| CN203212445U (en) * | 2013-04-12 | 2013-09-25 | 浙江金佰利环境科技有限公司 | Sludge treatment system |
-
2014
- 2014-07-14 CN CN201410333611.8A patent/CN104370432B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010069447A (en) * | 2008-09-22 | 2010-04-02 | Kubota Corp | Belt type concentrator and belt cleaning method of belt type concentrator |
| CN101935140A (en) * | 2010-07-23 | 2011-01-05 | 无锡市通用机械厂有限公司 | Dehydration treatment method for tail water sludge of water-work and special apparatus thereof |
| CN203212445U (en) * | 2013-04-12 | 2013-09-25 | 浙江金佰利环境科技有限公司 | Sludge treatment system |
Non-Patent Citations (1)
| Title |
|---|
| 韩念壮，马建录: "齐鲁乙烯污水处理场污泥脱水系统技术改进", 《工业用水与废水》, vol. 34, no. 4, 31 August 2003 (2003-08-31) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109923076A (en) * | 2016-10-07 | 2019-06-21 | 凯米罗总公司 | For controlling the method and system of hydrophobic conditions and fouling during water intensity |
| US11866356B2 (en) | 2016-10-07 | 2024-01-09 | Kemira Oyj | Method and system for controlling hydrophobic conditions and fouling in water intensive processes |
| CN107399897A (en) * | 2017-08-04 | 2017-11-28 | 胜利油田龙玺石油工程服务有限责任公司 | A kind of drilling mud processing unit for recycling sewage |
| CN111574020A (en) * | 2020-04-20 | 2020-08-25 | 广州珞珈环境技术有限公司 | River and lake sludge conditioning method and system |
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| CN104370432B (en) | 2017-03-15 |
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