CN105692988A - System for recovering acid and base from glass production wastewater - Google Patents
System for recovering acid and base from glass production wastewater Download PDFInfo
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- CN105692988A CN105692988A CN201410689599.4A CN201410689599A CN105692988A CN 105692988 A CN105692988 A CN 105692988A CN 201410689599 A CN201410689599 A CN 201410689599A CN 105692988 A CN105692988 A CN 105692988A
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- connects
- defecator
- alkali
- outfan
- input
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- 239000002351 wastewater Substances 0.000 title claims abstract description 50
- 239000002253 acid Substances 0.000 title claims abstract description 27
- 239000011521 glass Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 238000000909 electrodialysis Methods 0.000 claims abstract description 29
- 238000002425 crystallisation Methods 0.000 claims abstract description 18
- 230000005712 crystallization Effects 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 239000003513 alkali Substances 0.000 claims description 50
- 235000011149 sulphuric acid Nutrition 0.000 claims description 25
- 239000001117 sulphuric acid Substances 0.000 claims description 25
- 230000001112 coagulant Effects 0.000 claims description 18
- 230000001105 regulatory Effects 0.000 claims description 18
- 239000000701 coagulant Substances 0.000 claims description 17
- 238000001556 precipitation Methods 0.000 claims description 16
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 13
- 239000002699 waste material Substances 0.000 abstract description 19
- 238000004062 sedimentation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract 3
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 238000010979 pH adjustment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 18
- 150000007528 brønsted-lowry bases Chemical class 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000007688 edging Methods 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- -1 sulfur bronsted lowry acids Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 150000007516 brønsted-lowry acids Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Abstract
The present invention relates to a system for recovering an acid and a base from glass production wastewater, the system includes a wastewater tank, a coagulation sedimentation tank, a filtration device I, a PH adjustment tank, a filtering device II, a crystallization device, a dissolving pool, a bipolar membrane electrodialysis membrane group device, a low temperature multi-effect enrichment device, a sulfuric acid recovery pipeline and a base recovery pipeline, the wastewater tank is internally provided with an agitator, and the agitator includes a stirring shaft fixed on the bottom of the wastewater tank and a stirring blade mounted on the stirring shaft. The system not only prevents environmental pollution and is environmentally-friendly; the reusable sulfuric acid and base can be obtained by the bipolar membrane electrodialysis membrane group device, waste is turned into treasures, the base with the concentration controlled in 15% to 15% can be directly recycled, the effect is remarkable, and the agitator can effectively prevent sedimentation on the bottom of the wastewater tank.
Description
Technical field
The present invention relates to glass production field of waste liquid treatment, particularly relate to a kind of system for reclaiming soda acid from glass production sewage。
Background technology
At present, in process of glass, producing substantial amounts of waste water, if obtaining recycling bronsted lowry acids and bases bronsted lowry from waste water, becoming the important topic of wastewater treatment。
Such as the Chinese utility model patent " the collection reclaiming system of a kind of glass edging waste water " that application number is 201220150706.2, disclose the collection reclaiming system of novel glass edging waste water, its problem that can solve the clean-up effect difference existed in traditional glass edging wastewater collection reuse process, ensure the cooling effect of glass edging processing, improve product quality and production efficiency, and effectively process the glass granulated slag in waste water, reduce environmental pollution。It includes sedimentation tank, wastewater equalization pond and combination equipment for separating liquid from solid, the edging waste water of glass edge-grinding machine connects into wastewater equalization pond by wastewater drainage pipe, wastewater equalization pond connects into sedimentation tank by elevator pump, sludge-tank is connected by mud discharging pipeline bottom sedimentation tank, sedimentation tank connects combination equipment for separating liquid from solid by supernatant transfer pipeline, combination equipment for separating liquid from solid is provided with mud discharging mouth and supernatant delivery pipe, mud discharging mouth connects into sludge-tank, supernatant delivery pipe is connected to reuse pool by reuse pipeline, reuse pool connects into the cooling device of glass edge-grinding machine by pipe network。But this patent is disadvantageous in that: in the process disposed waste liquid, all cannot reclaim recycling sulfur bronsted lowry acids and bases bronsted lowry from waste liquid so that a large amount of waste liquids containing bronsted lowry acids and bases bronsted lowry are wasted。
Summary of the invention
It is an object of the invention to the problems referred to above overcoming prior art to exist, it is proposed to a kind of system for reclaiming soda acid from glass production sewage。The present invention not only prevent environmental pollution, environmental protection；Also by bipolar membrane electrodialysis film group device obtain can again with sulfur bronsted lowry acids and bases bronsted lowry；Turn waste into wealth, and adopt agitator effectively to prevent the situation that alluvial occurs bottom wastewater disposal basin。
The present invention realizes by the following technical solutions:
For reclaiming the system of soda acid from glass production sewage, it is characterized in that: include wastewater disposal basin, coagulant precipitation pond, defecator I, PH regulating reservoir, defecator II, crystallization apparatus, dissolving tank, bipolar membrane electrodialysis film group device, low-temperature multi-effect enrichment facility, retrieval of sulfuric acid pipeline and alkali collection pipeline, the outfan of described wastewater disposal basin connects with the input in coagulant precipitation pond, the outfan in described coagulant precipitation pond connects with the input of defecator I, the outfan of defecator I connects with the input of PH regulating reservoir, the outfan of PH regulating reservoir connects with the input of defecator II, the outfan of defecator II connects with the input of crystallization apparatus, the outfan of crystallization apparatus connects with the input of dissolving tank, the outfan of dissolving tank connects with the input of bipolar membrane electrodialysis film group device, the sulphuric acid end that goes out of described bipolar membrane electrodialysis film group device connects with the sulphuric acid end that enters of low-temperature multi-effect enrichment facility, go out alkali end to connect with the alkali end that enters of low-temperature multi-effect enrichment facility, described low-temperature multi-effect enrichment facility go out sulphuric acid end with go out alkali end respectively with retrieval of sulfuric acid pipeline and alkali collection pipeline communication, it is provided with agitator in described wastewater disposal basin, agitator includes the shaft being fixed on bottom wastewater disposal basin and the paddle being arranged on shaft。
Described bipolar membrane electrodialysis film group device is provided with heat sink。
Described heat sink is heat exchanger。
Described defecator I is flame filter press, and defecator II is PP microporous filter。Flame filter press and PP microporous filter are physical filtering, it is possible to filter out a certain size the large granular impurity in waste liquid and float。
The diameter 0.22um-0.45um of PP micropore filtering film in described PP microporous filter。
Also including sulphuric acid storage tank and alkali storage tank, the acid end that goes out of described acid recovery pipeline connects with sulphuric acid storage tank, and the alkali end that goes out of alkali collection pipeline connects with alkali storage tank。
The present invention compared with prior art, has an advantage in that:
1, the present invention not only prevent environmental pollution, environmental protection；Also by bipolar membrane electrodialysis film group device obtain can again with sulfur bronsted lowry acids and bases bronsted lowry；Turn waste into wealth。
2, being provided with agitator in wastewater disposal basin of the present invention, agitator includes the shaft being fixed on bottom wastewater disposal basin and the paddle being arranged on shaft, effectively prevents from occurring bottom wastewater disposal basin the situation that alluvial causes pipeline obstructed。
3, the present invention adopts low-temperature multi-effect enrichment facility that alkali is concentrated, and can directly reclaim alkali concn and control the alkali for 15%-30%, and effect is notable。
4, this practicality newly adopts bipolar membrane electrodialysis film group device to be provided with heat sink, and heat sink is heat exchanger；Bipolar membrane electrodialysis film group device can be lowered the temperature, facilitate the carrying out of follow-up matting。
5, this practicality newly adopts described defecator I to be flame filter press, and defecator II is PP microporous filter。Flame filter press and PP microporous filter are physical filtering, it is possible to filter out a certain size the large granular impurity in waste liquid and float。
6, present invention additionally comprises sulphuric acid storage tank and alkali storage tank, the acid end that goes out of acid recovery pipeline connects with sulphuric acid storage tank, and the alkali end that goes out of alkali collection pipeline connects with alkali storage tank；Soda acid after concentration can be stored, easy to use。
7, the present invention adopts coagulating sedimentation principle under the effect of coagulant, the colloid in waste water and fine suspension is made to be condensed into floccule body, the PH of waste liquid is regulated to 7 by PH regulating reservoir, defecator I and defecator II by the large granular impurity of a certain size in waste liquid and suspended substance removal, last waste liquid passes sequentially through crystallization apparatus, dissolving tank II, bipolar membrane electrodialysis film group device obtain can again with sulfur bronsted lowry acids and bases bronsted lowry；Not only prevent environmental pollution, environmental protection；Also by bipolar membrane electrodialysis film group device obtain can again with sulfur bronsted lowry acids and bases bronsted lowry；Turn waste into wealth。
Accompanying drawing explanation
Fig. 1 is present system structural representation；
Fig. 2 is wastewater disposal basin structural representation of the present invention；
Labelling in figure: 1, wastewater disposal basin, 2, coagulant precipitation pond, 3, defecator I, 4, PH regulating reservoir, 5, defecator II, 6, crystallization apparatus, 7, dissolving tank, 8, bipolar membrane electrodialysis film group device, 9, retrieval of sulfuric acid pipeline, 10, alkali collection pipeline, 11, heat sink, 12, acid storage tank, 13, alkali storage tank, 14, low-temperature multi-effect enrichment facility, 15, shaft, 16, paddle。
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further detailed:
Embodiment 1:
For reclaiming the system of soda acid from glass production sewage, including wastewater disposal basin 1, coagulant precipitation pond 2, defecator I 3, PH regulating reservoir 4, defecator II 5, crystallization apparatus 6, dissolving tank 7, bipolar membrane electrodialysis film group device 8, low-temperature multi-effect enrichment facility 14, retrieval of sulfuric acid pipeline 9 and alkali collection pipeline 10, the outfan of described wastewater disposal basin 1 connects with the input in coagulant precipitation pond 2, the outfan in described coagulant precipitation pond 2 connects with the input of defecator I 3, the outfan of defecator I 3 connects with the input of PH regulating reservoir 4, the outfan of PH regulating reservoir 4 connects with the input of defecator II 5, the outfan of defecator II 5 connects with the input of crystallization apparatus 6, the outfan of crystallization apparatus 6 connects with the input of dissolving tank 7, the outfan of dissolving tank 7 connects with the input of bipolar membrane electrodialysis film group device 8, the sulphuric acid end that goes out of described bipolar membrane electrodialysis film group device 8 connects with the sulphuric acid end that enters of low-temperature multi-effect enrichment facility 14, go out alkali end to connect with the alkali end that enters of low-temperature multi-effect enrichment facility 14, the going out sulphuric acid end and go out alkali end and connect with alkali collection pipeline 10 with retrieval of sulfuric acid pipeline 9 respectively of described low-temperature multi-effect enrichment facility 14, it is provided with agitator in described wastewater disposal basin 1, agitator includes the shaft 15 being fixed on bottom wastewater disposal basin 1 and the paddle 16 being arranged on shaft 15。
In the present invention, described bipolar membrane electrodialysis film group device 8 is provided with heat sink 11。
In the present invention, described heat sink 11 is heat exchanger。
In the present invention, described defecator I 4 is flame filter press, and defecator II 5 is PP microporous filter。Flame filter press and PP microporous filter are physical filtering, it is possible to filter out a certain size the large granular impurity in waste liquid and float。
In the present invention, the diameter 0.22um of PP micropore filtering film in described PP microporous filter。
In use, shaft 15 is connected the present invention with the motor output shaft outside wastewater disposal basin 1, and motor powered shaft 15 rotates, and keeps the waste liquid in wastewater disposal basin 1 uniform by paddle 16。
Embodiment 2:
For reclaiming the system of soda acid from glass production sewage, including wastewater disposal basin 1, coagulant precipitation pond 2, defecator I 3, PH regulating reservoir 4, defecator II 5, crystallization apparatus 6, dissolving tank 7, bipolar membrane electrodialysis film group device 8, low-temperature multi-effect enrichment facility 14, retrieval of sulfuric acid pipeline 9 and alkali collection pipeline 10, the outfan of described wastewater disposal basin 1 connects with the input in coagulant precipitation pond 2, the outfan in described coagulant precipitation pond 2 connects with the input of defecator I 3, the outfan of defecator I 3 connects with the input of PH regulating reservoir 4, the outfan of PH regulating reservoir 4 connects with the input of defecator II 5, the outfan of defecator II 5 connects with the input of crystallization apparatus 6, the outfan of crystallization apparatus 6 connects with the input of dissolving tank 7, the outfan of dissolving tank 7 connects with the input of bipolar membrane electrodialysis film group device 8, the sulphuric acid end that goes out of described bipolar membrane electrodialysis film group device 8 connects with the sulphuric acid end that enters of low-temperature multi-effect enrichment facility 14, go out alkali end to connect with the alkali end that enters of low-temperature multi-effect enrichment facility 14, the going out sulphuric acid end and go out alkali end and connect with alkali collection pipeline 10 with retrieval of sulfuric acid pipeline 9 respectively of described low-temperature multi-effect enrichment facility 14, it is provided with agitator in described wastewater disposal basin 1, agitator includes the shaft 15 being fixed on bottom wastewater disposal basin 1 and the paddle 16 being arranged on shaft 15。
In the present invention, described bipolar membrane electrodialysis film group device 8 is provided with heat sink 11。
In the present invention, described heat sink 11 is heat exchanger。
In the present invention, described defecator I 4 is flame filter press, and defecator II 5 is PP microporous filter。Flame filter press and PP microporous filter are physical filtering, it is possible to filter out a certain size the large granular impurity in waste liquid and float。
In the present invention, the diameter 0.34um of PP micropore filtering film in described PP microporous filter。
In the present invention, also including sulphuric acid storage tank 12 and alkali storage tank 13, the acid end that goes out of described acid recovery pipeline 9 connects with sulphuric acid storage tank 12, and the alkali end that goes out of alkali collection pipeline 10 connects with alkali storage tank 13。
In use, shaft 15 is connected the present invention with the motor output shaft outside wastewater disposal basin 1, and motor powered shaft 15 rotates, and keeps the waste liquid in wastewater disposal basin 1 uniform by paddle 16。
Embodiment 3:
For reclaiming the system of soda acid from glass production sewage, including wastewater disposal basin 1, coagulant precipitation pond 2, defecator I 3, PH regulating reservoir 4, defecator II 5, crystallization apparatus 6, dissolving tank 7, bipolar membrane electrodialysis film group device 8, low-temperature multi-effect enrichment facility 14, retrieval of sulfuric acid pipeline 9 and alkali collection pipeline 10, the outfan of described wastewater disposal basin 1 connects with the input in coagulant precipitation pond 2, the outfan in described coagulant precipitation pond 2 connects with the input of defecator I 3, the outfan of defecator I 3 connects with the input of PH regulating reservoir 4, the outfan of PH regulating reservoir 4 connects with the input of defecator II 5, the outfan of defecator II 5 connects with the input of crystallization apparatus 6, the outfan of crystallization apparatus 6 connects with the input of dissolving tank 7, the outfan of dissolving tank 7 connects with the input of bipolar membrane electrodialysis film group device 8, the sulphuric acid end that goes out of described bipolar membrane electrodialysis film group device 8 connects with the sulphuric acid end that enters of low-temperature multi-effect enrichment facility 14, go out alkali end to connect with the alkali end that enters of low-temperature multi-effect enrichment facility 14, the going out sulphuric acid end and go out alkali end and connect with alkali collection pipeline 10 with retrieval of sulfuric acid pipeline 9 respectively of described low-temperature multi-effect enrichment facility 14, it is provided with agitator in described wastewater disposal basin 1, agitator includes the shaft 15 being fixed on bottom wastewater disposal basin 1 and the paddle 16 being arranged on shaft 15。
In the present invention, described bipolar membrane electrodialysis film group device 8 is provided with heat sink 11。
In the present invention, described heat sink 11 is heat exchanger。
In the present invention, described defecator I 4 is flame filter press, and defecator II 5 is PP microporous filter。Flame filter press and PP microporous filter are physical filtering, it is possible to filter out a certain size the large granular impurity in waste liquid and float。
In the present invention, the diameter 0.45um of PP micropore filtering film in described PP microporous filter。
In the present invention, also including sulphuric acid storage tank 12 and alkali storage tank 13, the acid end that goes out of described acid recovery pipeline 9 connects with sulphuric acid storage tank 12, and the alkali end that goes out of alkali collection pipeline 10 connects with alkali storage tank 13。
In use, shaft 15 is connected the present invention with the motor output shaft outside wastewater disposal basin 1, and motor powered shaft rotates, and keeps the waste liquid in wastewater disposal basin 1 uniform by paddle。
Claims (6)
1. for reclaiming the system of soda acid from glass production sewage, it is characterized in that: include wastewater disposal basin (1), coagulant precipitation pond (2), defecator I (3), PH regulating reservoir (4), defecator II (5), crystallization apparatus (6), dissolving tank (7), bipolar membrane electrodialysis film group device (8), low-temperature multi-effect enrichment facility (14), retrieval of sulfuric acid pipeline (9) and alkali collection pipeline (10), the outfan of described wastewater disposal basin (1) connects with the input of coagulant precipitation pond (2), the outfan of described coagulant precipitation pond (2) connects with the input of defecator I (3), the outfan of defecator I (3) connects with the input of PH regulating reservoir (4), the outfan of PH regulating reservoir (4) connects with the input of defecator II (5), the outfan of defecator II (5) connects with the input of crystallization apparatus (6), the outfan of crystallization apparatus (6) connects with the input of dissolving tank (7), the outfan of dissolving tank (7) connects with the input of bipolar membrane electrodialysis film group device (8), the sulphuric acid end that goes out of described bipolar membrane electrodialysis film group device (8) connects with the sulphuric acid end that enters of low-temperature multi-effect enrichment facility (14), go out alkali end to connect with the alkali end that enters of low-temperature multi-effect enrichment facility (14), the going out sulphuric acid end and go out alkali end and connect with alkali collection pipeline (10) with retrieval of sulfuric acid pipeline (9) respectively of described low-temperature multi-effect enrichment facility (14), described wastewater disposal basin is provided with agitator in (1), agitator includes the shaft (15) being fixed on wastewater disposal basin (1) bottom and the paddle (16) being arranged on shaft (15)。
2. the system for reclaiming soda acid from glass production sewage according to claim 1, it is characterised in that: described bipolar membrane electrodialysis film group device (8) is provided with heat sink (11)。
3. the system for reclaiming soda acid from glass production sewage according to claim 2, it is characterised in that: described heat sink (11) is heat exchanger。
4. the system for reclaiming soda acid from glass production sewage according to claim 1, it is characterised in that: described defecator I (3) is flame filter press, and defecator II (5) is PP microporous filter。
5. the system for reclaiming soda acid from glass production sewage according to claim 4, it is characterised in that: the diameter 0.22um-0.45um of PP micropore filtering film in described PP microporous filter。
6. the system for reclaiming soda acid from glass production sewage according to claim 1, it is characterized in that: also include sulphuric acid storage tank (12) and alkali storage tank (13), the acid end that goes out of described acid recovery pipeline (9) connects with sulphuric acid storage tank (12), and the alkali end that goes out of alkali collection pipeline (10) connects with alkali storage tank (13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689599.4A CN105692988A (en) | 2014-11-26 | 2014-11-26 | System for recovering acid and base from glass production wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689599.4A CN105692988A (en) | 2014-11-26 | 2014-11-26 | System for recovering acid and base from glass production wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105692988A true CN105692988A (en) | 2016-06-22 |
Family
ID=56941943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410689599.4A Pending CN105692988A (en) | 2014-11-26 | 2014-11-26 | System for recovering acid and base from glass production wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105692988A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202358976U (en) * | 2011-11-01 | 2012-08-01 | 东莞市凯达热能环保设备有限公司 | Glass wastewater treatment equipment |
| CN203393287U (en) * | 2013-07-24 | 2014-01-15 | 宜宾海翔化工有限责任公司 | System for recovering acid and alkali from viscose sodium sulfate waste liquor by bipolar membrane electrodialysis method |
| CN204265590U (en) * | 2014-11-26 | 2015-04-15 | 成都锦汇科技有限公司 | For reclaiming the system of soda acid from glass production sewage |
-
2014
- 2014-11-26 CN CN201410689599.4A patent/CN105692988A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202358976U (en) * | 2011-11-01 | 2012-08-01 | 东莞市凯达热能环保设备有限公司 | Glass wastewater treatment equipment |
| CN203393287U (en) * | 2013-07-24 | 2014-01-15 | 宜宾海翔化工有限责任公司 | System for recovering acid and alkali from viscose sodium sulfate waste liquor by bipolar membrane electrodialysis method |
| CN204265590U (en) * | 2014-11-26 | 2015-04-15 | 成都锦汇科技有限公司 | For reclaiming the system of soda acid from glass production sewage |
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Application publication date: 20160622 |
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