CN1532154A - Waste water treating technology for glass fiber industry - Google Patents
Waste water treating technology for glass fiber industry Download PDFInfo
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- CN1532154A CN1532154A CNA031120091A CN03112009A CN1532154A CN 1532154 A CN1532154 A CN 1532154A CN A031120091 A CNA031120091 A CN A031120091A CN 03112009 A CN03112009 A CN 03112009A CN 1532154 A CN1532154 A CN 1532154A
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Abstract
The present invention discloses waste water treating technology for glass fiber industry. Waste water is first alkali regulated and demulsified; then added with M-type chemical and P-type chemical for coagulation and flocculation to produce alum bloom, deposited to eliminate alum bloom, oxidized via adding strong oxidant and aerated; and finally filtered and adsorbed to reach exhaust standard. The technological process includes the following steps: alkali regulation and demulsification, coagulation, flocculation, deposition, oxidization and aeration, filtering, and adsorption. The present invention has good tackling effect, and the treated waste water reaches the relevant exhaust standard, has the features of simple technological process, low cost and less investment.
Description
One, technical field
The present invention is a kind of improvement technology that is used for glass fibre industrial waste water, also can be used to administer other polymer organic industrial sewage.
Two, background technology
Because glass fibre is with its light-high-strength, anti-fatigue performance is good, damping property is good, resistance to chemical attack, the electrical insulating property height, thermal conductivity is low, linear expansivity is little, can make characteristics such as transparent and various colors, forming technology superior performance, be promoted the use of rapidly in a lot of fields, the development of glass fibre manufacturing enterprise rapidly.But can produce a large amount of with serious pollution waste water in the glass fibre production process.And these waste water dispersity are very high, the good emulsion of stability, and chemical constitution is very complicated, and difficulty of governance is very big.Domestic production enterprise does not have comparatively effective means to the improvement of this trade effluent at present, general all adopting and conventional sewage disposal way, and it is very big apart from the discharging standards gap to handle the back emission result, only a few enterprise is also arranged, though sewage disposal can be up to state standards, but cost is too high, the investment is too big, can not can accept for general enterprise.Therefore the development and the application of glass fibre have been blocked up.
Three, summary of the invention
The purpose of this utility model provides a kind of governing glass fibre industrial waste water technology for glass fibre manufacturing enterprise exactly, and its regulation effect is good, and the discharging of the water after the improvement can reach the discharging standards requirement, and technology is simple, low, the less investment of cost.
Technical scheme of the present invention is: earlier waste water is transferred the alkali breakdown of emulsion, to transfer waste water behind the alkali breakdown of emulsion to add [M] type medicament again and carry out coagulation, make [M] type medicament and pollutants in waste water and colloid impurity generate little alumen ustum, with behind the coagulation and the waste water that generates little alumen ustum add [P] type medicament and flocculate, make little alumen ustum flocculate into big alumen ustum, flocculation back and the waste water that generates big alumen ustum are precipitated, removed big alumen ustum.This moment, waste water obtained preliminary improvement, but did not reach discharging standards yet.The waste water of post precipitation being removed big alumen ustum carries out the quick-fried gas of oxidation, in waste water, add strong oxidizer, carry out quick-fried gas simultaneously, residual impurity (as solvability tensio-active agent and lower-molecular substance etc.) in the waste water is fully reacted with strong oxidizer, generate inorganics impurity, waste water behind the quick-fried gas of oxidation is carried out quartz sand filtration and activated carbon adsorption, remove the objectionable impurities in the waste water, further reduce COD content.Waste water just can reach the discharging standards requirement after above-mentioned processing, and can directly discharge, and can be used for the production reuse, or flushing, or be used for field irrigation etc.
Its specific embodiment is as follows: steps A: transfer alkali breakdown of emulsion → step B: coagulation → step C: flocculation → step D: precipitation → step e: the quick-fried gas → step F of oxidation: filtration → step G: absorption.
Steps A: transfer the alkali breakdown of emulsion: in waste water, add 8～15% lime aqueous solution and stir, add 2～3 kilograms in lime in the waste water per ton, pH value in the waste water behind the adding lime aqueous solution is controlled at 10～12, the waste water adding lime aqueous solution afterreaction time was controlled at 5～15 minutes, produces the visible molecule and occur in waste water.
Step B: coagulation: will transfer to add [M] type medicament in the waste water behind the alkali breakdown of emulsion, and stir simultaneously, and add 0.15～0.5 kilogram of [M] type medicament in the waste water per ton, the reaction times is 5～10 minutes, obviously occurs more little alumen ustum in waste water.
Step C: flocculation: the waste water behind coagulation adds [P] type medicament, and the add-on of [P] type medicament is that waste water per ton adds 1.5～5 grams, and stirs simultaneously, and the reaction times is 8～15 minutes, makes little alumen ustum flocculation, is condensed into big alumen ustum.
Step D: precipitation: the waste water after will flocculating precipitates, and removes big alumen ustum.
Step e: the quick-fried gas of oxidation: the waste water of post precipitation is added strong oxidizer, carry out quick-fried gas simultaneously, make solvability tensio-active agent and the abundant oxidation of lower-molecular substance in the waste water, generate inorganics impurity and fold, and a large amount of micro-bubble come-up during with quick-fried gas, remove then.
Step F: filter: the waste water behind the quick-fried gas of oxidation is filtered the impurity that folds in the quick-fried gas of filtering oxidation with quartz sand.
Step G: absorption: the waste water after will filtering adsorbs with activated carbon, further remove the impurity after filtering, thereby the waste water of realizing fiber glass industry has just reached discharging standards after treatment.
Because the present invention transfers the alkali breakdown of emulsion with glass fibre industrial waste water earlier, could more help coagulation and precipitation after having only breakdown of emulsion, through coagulation, generate alumen ustum after the flocculation treatment, can remove the COD in the waste water preferably, this moment is after preliminary improvement, COD in the waste water is removed mostly, but still fail to reach discharging standards, reach discharging standards for further handling waste water, carry out the quick-fried gas of oxidation again, filter, processing such as absorption, utilize the residual impurity oxidation in the waste water after strong oxidizer will tentatively be administered, generate inorganics impurity, be convenient to remove, thereby reach discharging standards through quartz sand filtration and activated carbon adsorption.
Therefore it is good that the present invention has a regulation effect, can make the discharging of the water after the improvement reach discharging standards.And technology is simple, and cost is low, characteristics such as less investment.
Four, description of drawings
Fig. 1 is a process flow sheet of the present invention;
Fig. 2 is a process route view of the present invention.
Among Fig. 1: A: transfer the alkali breakdown of emulsion, B: coagulation, C: flocculation, D: precipitation, E: the quick-fried gas of oxidation, F: filter G: absorption;
Fig. 2 is the process route view of one embodiment of the present of invention.
Five, embodiment
Introduce the present invention in detail in conjunction with Fig. 2:
Squeeze into the waste water of fiber glass industry in the accent alkali breakdown of emulsion container 3 that is provided with whipping appts by sewage lagoon 1, again the lime aqueous solution in the lime aqueous solution pond is added and transfer in the alkali breakdown of emulsion container 3, the concentration of liming is 8～15%, and add-on is that waste water per ton adds 2～3 kilograms in lime.After adding liming, the pH value of waste water is controlled at 10～12, stirs 10 minutes, has occurred a large amount of molecules in the waste water significantly.
To transfer the waste water behind the alkali breakdown of emulsion to put into the coagulation container 7 that is provided with whipping appts, simultaneously [M] type medicament aqueous solution of 4% is joined in the coagulation container 7, carry out coagulation.The add-on of [M] type medicament is 0.25～0.35 kilogram of a waste water per ton, stirs simultaneously, and churning time is 6～7 minutes, and generated a large amount of little alumen ustum in the waste water this moment.
The waste water of will be behind coagulation and generating little alumen ustum is sent in the flocculation container 11 that is provided with whipping appts, to advance to give birth to flocculation in [P] type aqueous solution adding flocculation container 11 of 0.05%, the add-on of [P] type medicament is waste water 1.5～5 grams per ton, stir simultaneously, churning time is 10～12 minutes, and the little alumen ustum in the waste water flocculates into big alumen ustum at this moment.
The waste water that will be after flocculating and generate big alumen ustum is put into precipitation vessel 15, precipitates, and precipitation vessel preferably adopts the tube settling device that inclined tube is housed, and the tube settling device can improve sedimentation effect, shortens sedimentation time, reduces the settler area.Sedimentation time is 60～90 minutes, and water outlet load can be controlled in q=5～6 meter
3/ rice
2Hour.
After the preliminary improvement of above-mentioned four procedures, the content of the foreign material COD in the waste water reduces to 350～400 mg/litre by former 2000～4000 mg/litre, and waste water becomes transparency " clear water " preferably by former oyster white, but does not reach discharging standards yet.
To send in the quick-fried air-capacitor device 17 of the oxidation that is provided with quick-fried device of air 18 and screeding device 19 through the waste water of post precipitation again, carry out the quick-fried gas of oxidation, can add strong oxidizer potassium permanganate during oxidation, potassium permanganate is configured to 0.5% the aqueous solution and joins in the quick-fried air-capacitor device 17 of oxidation, the add-on of potassium permanganate is that waste water per ton adds 5～10 grams.Carry out quick-fried gas then, tensio-active agent and lower-molecular substance in potassium permanganate and the waste water are reacted, further reduced the content of COD, generate inorganics impurity, and a large amount of micro-bubbles come-ups during with quick-fried gas, strike off by screeding device 19.
To send in the quartz sand filtration container 22 through the waste water behind the quick-fried gas of oxidation and filter.
Waste water after filtering sent in the activated carbon adsorption unit 23 adsorb.
Waste water behind the quick-fried gas of oxidation has been removed the residual impurity in the waste water after quartz sand filtration and activated carbon adsorption.Discharge index by the water of activated carbon adsorption unit 23 discharging can reach national grade one discharge standard.
The specification of [M] type medicament and [P] type medicament can be selected for use according to each foreign material content in the glass fibre industrial waste water of required improvement, used accent alkali breakdown of emulsion, the container of coagulation, flocculation, precipitation, the quick-fried gas of oxidation, filtration, absorption can use jar, also can use the pond, the water of discharging can be directly used in the production glass fibre after administering, the flushing of an also available quartz sand filtration device 22, activated carbon adsorption unit 23 also can be used for field irrigation etc.And the dirt of discharging in the operation, mud are concentrated and are sent into the dirt pond, treat to handle again.
Therefore, it is good that the present invention has a regulation effect, and the discharging after the improvement can reach the discharging standards requirement, and technology is simple, characteristics such as cost is low, less investment are for a glass fibre production industry is administered the improvement technology that glass fibre industrial waste water provides a kind of novelty.
Claims (2)
1, a kind of governing glass fibre industrial waste water technology, it is characterized in that earlier waste water being transferred the alkali breakdown of emulsion, to transfer waste water behind the alkali breakdown of emulsion to add [M] type medicament again and carry out coagulation, with behind the coagulation and the waste water that generates little alumen ustum add [P] type medicament and flocculate, flocculation back and the waste water that generates big alumen ustum are precipitated, the waste water of post precipitation being removed big alumen ustum carries out the quick-fried gas of oxidation, and the waste water behind the quick-fried gas of oxidation is carried out quartz sand filtration and activated carbon adsorption.
2, governing glass fibre industrial waste water technology according to claim 1 is characterized in that specific embodiment is as follows: steps A: transfer alkali breakdown of emulsion → step B: coagulation → step C: flocculation → step D: precipitation → step e: the quick-fried gas → step F of oxidation: filtration → step G: absorption;
Steps A: transfer the alkali breakdown of emulsion: in waste water, add 8～15% lime aqueous solution and stir, add 2～3 kilograms in lime in the waste water per ton, pH value in the waste water behind the adding lime aqueous solution is controlled at 10～12, produces the visible molecule and occur in waste water;
Step B: coagulation: will transfer to add [M] type medicament in the waste water behind the alkali breakdown of emulsion, and stir simultaneously, and add 0.15～0.5 kilogram of [M] type medicament in the waste water per ton, and more little alumen ustum in waste water, obviously occur;
Step C: flocculation: the waste water behind coagulation adds [P] type medicament, and the add-on of [P] type medicament is that waste water per ton adds 1.5～5 grams, and stirs simultaneously, makes little alumen ustum flocculation, is condensed into big alumen ustum;
Step D: precipitation: the waste water after will flocculating precipitates, and removes big alumen ustum;
Step e: the quick-fried gas of oxidation: the waste water of post precipitation is added strong oxidizer, carry out quick-fried gas simultaneously, make solvability tensio-active agent and the abundant oxidation of lower-molecular substance in the waste water, generate inorganics impurity and fold, and a large amount of micro-bubble come-up during with quick-fried gas, remove then.
Step F: filter: the waste water behind the quick-fried gas of oxidation is filtered with quartz sand;
Step G: absorption: the waste water after will filtering adsorbs with activated carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031120091A CN1532154A (en) | 2003-03-20 | 2003-03-20 | Waste water treating technology for glass fiber industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031120091A CN1532154A (en) | 2003-03-20 | 2003-03-20 | Waste water treating technology for glass fiber industry |
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| CN1532154A true CN1532154A (en) | 2004-09-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434439B (en) * | 2008-11-28 | 2012-05-30 | 巨石集团有限公司 | Glass fibre wastewater pretreatment method |
| CN102910756A (en) * | 2011-07-31 | 2013-02-06 | 浦江儒意水晶环保设备开发有限公司 | Treatment device for glass wastewater |
| CN106277668A (en) * | 2016-08-29 | 2017-01-04 | 武汉锦星科技有限公司 | A kind of joint disposal method of glass refuse |
| CN108002614A (en) * | 2018-01-10 | 2018-05-08 | 东莞市盛源石油化工有限公司 | A kind of oil-containing sewage treatment technique |
| CN108059298A (en) * | 2017-12-01 | 2018-05-22 | 山东玻纤集团股份有限公司 | A kind of glass fibre production wastewater treatment equipment and processing method |
-
2003
- 2003-03-20 CN CNA031120091A patent/CN1532154A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434439B (en) * | 2008-11-28 | 2012-05-30 | 巨石集团有限公司 | Glass fibre wastewater pretreatment method |
| CN102910756A (en) * | 2011-07-31 | 2013-02-06 | 浦江儒意水晶环保设备开发有限公司 | Treatment device for glass wastewater |
| CN106277668A (en) * | 2016-08-29 | 2017-01-04 | 武汉锦星科技有限公司 | A kind of joint disposal method of glass refuse |
| CN106277668B (en) * | 2016-08-29 | 2019-05-28 | 武汉锦星科技有限公司 | A kind of joint disposal method of glass waste |
| CN108059298A (en) * | 2017-12-01 | 2018-05-22 | 山东玻纤集团股份有限公司 | A kind of glass fibre production wastewater treatment equipment and processing method |
| CN108059298B (en) * | 2017-12-01 | 2020-12-11 | 山东玻纤集团股份有限公司 | Glass fiber production wastewater treatment equipment and treatment method |
| CN108002614A (en) * | 2018-01-10 | 2018-05-08 | 东莞市盛源石油化工有限公司 | A kind of oil-containing sewage treatment technique |
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