CN204151425U - A kind of bipolar membrane electrodialysis method production system of gluconic acid - Google Patents
A kind of bipolar membrane electrodialysis method production system of gluconic acid Download PDFInfo
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- CN204151425U CN204151425U CN201420404902.7U CN201420404902U CN204151425U CN 204151425 U CN204151425 U CN 204151425U CN 201420404902 U CN201420404902 U CN 201420404902U CN 204151425 U CN204151425 U CN 204151425U
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Abstract
The utility model provides a kind of bipolar membrane electrodialysis method production system of gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.By arranging pretreatment unit before bipolar membrane device, making pretreated Sunmorl N 60S index be applicable to follow-up bipolar membrane electrodialysis technique, the object that the gluconic acid rate of recovery is high, energy consumption is low, stable can be reached.
Description
Technical field
The utility model belongs to gluconic acid production unit field, is specifically related to a kind of bipolar membrane electrodialysis method production system of gluconic acid.
Background technology
Gluconic acid derivatives is the material obtained by certain combination reaction by gluconic acid, along with people's life, the progressively in-depth of nutrition science theory, the higher requirement of renewal is proposed to the exploitation of food and manufacture, the exploitation of nutrition-fortifying agent is subject to people's attention day by day, and gluconic acid derivatives is exactly the series products wherein had a extensive future.
Gluconic acid-lactone has been widely used as the peptizer of protein (bean curd), acidic flavoring agent, flour products modifying agent, pH adjusting agent, food preservative and sanitas etc. in the food industry, is applied to chemical and medicine industry, cement water reducing agent and washing composition aspect.Fermentation method, enzymatic measurement, chemical catalysis and electrolytic oxidation etc. 4 kinds are had from the method for Dextrose production gluconic acid.At present, domestic gluconic acid derivatives is from the Cultivar development multi items till now that the past is more single, and scale develops into the level producing now 260,000 tons per year from the upper kiloton annual production that the past is lower.These derivative major parts are all from the production of raw materials of glucose acid, at present existingly bipolar embrane method is produced gluconic acid replace present traditional processing technology, in energy-saving and emission-reduction, reduce production cost, improve the quality of products in produce remarkable benefit.
As 200910192646.3, name is called the patent of invention of " a kind of production method of Gluconolactone ", disclose a kind of production method of Gluconolactone, employing ceramic membrane filter instead of the sock filtration in traditional technology, adopts continuous fluid separation method replace fixed-bed ion exchange and adopt reverse osmosis to concentrate gluconic acid.What continuous fluid separation method adopted is resin method, can produce a large amount of acid-bearing wastewater and spent resin, and environmental pollution is large, and production cost is high.
Document " Bipolar Membrane legal system is for the research of gluconic acid suitability for industrialized production " (" water technology "; 37th volume o. 11th) and " bipolar embrane method produces the mass-producing research of gluconic acid " (" China Science & Technology University's journal "; 38th volume the 6th phase), report the production technique adopting bipolar embrane method to prepare gluconic acid from catalytic oxidation Sunmorl N 60S feed liquid respectively.Two sections of documents all do not carry out pre-treatment to entering the Sunmorl N 60S before Bipolar Membrane, do not control the index of Sunmorl N 60S feed liquid, cause that production efficiency is low, production cost is high.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of bipolar membrane electrodialysis method production system of gluconic acid, by arranging pretreatment unit before bipolar membrane device, make pretreated Sunmorl N 60S index be applicable to follow-up bipolar membrane electrodialysis technique, the object that the gluconic acid rate of recovery is high, energy consumption is low, stable can be reached.
For achieving the above object, the utility model adopts following technical scheme:
A bipolar membrane electrodialysis method production system for gluconic acid, is characterized in that: comprise flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
In described flame filter press, the density of filter cloth is 1100 ~ 1300g/m
2.
The filter cloth surface of described flame filter press scribbles diatomite, can prevent filter cloth duct from being blocked by the particle of microorganism, and can the filtrate obtaining at the very start clarifying, and meanwhile, the flintiness of filter cake is reduced, voidage increases, and contributes to improving filtering velocity.
The diatomaceous thickness of described filter cloth surface is 2mm.
In described ultrafilter, the membrane pore size of ultra-filtration membrane is 0.001 ~ 0.02 μm.
Bipolar membrane electrodialysis device of the present utility model, comprise pole liquid runner plate, electrode, dividing plate, homogeneous phase anode membrane, homogeneous phase cavity block, Bipolar Membrane, pole liquid runner plate, anode terminal, cathode terminal, described cathode terminal welds with cathode vertical, anode terminal and anode vertical welding; Between negative electrode and positive electrode, form a membrane stack space, in described membrane stack space, place film group; It is characterized in that:
Being placed as of described film group: Bipolar Membrane, dividing plate, homogeneous phase cavity block, dividing plate, homogeneous phase anode membrane, dividing plate, be arranged in order; Film group in membrane stack space is 1-200 group, and the outermost of membrane stack is two-layer is homogeneous phase anode membrane; Described film group is clamped by a pair pole liquid runner plate, and pole liquid runner plate has anolyte import, catholyte import, anolyte outlet, catholyte outlet; Be fixedly clamped by a pair clamping steel plate in the outside of pole liquid runner plate; Described clamping steel plate is provided with liquor inlet, material liquid outlet, alkali lye outlet, alkali lye import, acid solution outlet, acid solution import.
Dividing plate described in the utility model comprises sheet frame, cloth water flow passage, delivery hole, pole liquid delivery hole, filter, delivery hole is connected with cloth water flow passage, and through with the inner chamber of sheet frame, sheet frame inner chamber cloth filter, the Thickness Ratio of described filter and sheet frame is 105 ~ 120:100.
Preferably, the thick 0.5 ~ 0.8mm of described sheet frame.
Described filter is double-deck fine-structure mesh, and hank knotting intersects to be placed, and mesh staggers up and down, and mesh size is 5-10mm, and mesh wire diameter is 3-5mm.
Described battery lead plate, anode material is substrate with titanium, adds coating lead peroxide after intermediate conductive layer.Anode is corrosion-resistant, long service life, and resistance is low, good conductivity.
Described positive plate is meshed anode plate.
Dividing plate is of a size of 400*800mm.
Film is of a size of 400*800mm.
Cathode-anode plate is of a size of 400*800mm.
The beneficial effects of the utility model are:
1, the utility model adopts the system of flame filter press-ultrafilter-bipolar membrane electrodialysis to gluconic acid sodium raw materials, by the state modulator to flame filter press in pre-treatment and ultrafilter, obtain the index of Sunmorl N 60S permeate, meet the requirement of bipolar membrane electrodialysis process, electrodialysis can be carried out better, effective reduction energy consumption, improve osmotic efficiency, obtain gluconic acid purity high, and stable.
2, by adopting the system of Plate Filtration-ultrafiltration-bipolar membrane electrodialysis, obtain the optimizing index of Sunmorl N 60S permeate, the transformation efficiency of gluconic acid is more than 98%, and energy consumption is 200-300 degree electricity/ton product.First mate improves current efficiency, effectively reduces production cost and energy consumption, improves the quality of products.After electrodialysis terminates, the gluconic acid mass concentration of sour room can reach 25-50%, and Sunmorl N 60S reacts completely, and significantly exceeds the gluconic acid concentration of conventional resins method output, is the further guarantee that current efficiency is the highest, electrodialysis maximizing efficiency.
3, the utility model smears diatomite at the filter cloth surface of flame filter press, can prevent filter cloth duct from being blocked by the particle of microorganism, and can the filtrate obtaining at the very start clarifying, simultaneously, the flintiness of filter cake is reduced, and voidage increases, and contributes to improving filtering velocity.
figure of description
Fig. 1 is the schematic cross-section of bipolar membrane electrodialysis device of the present utility model.
Fig. 2 is the side schematic view of bipolar membrane electrodialysis device of the present utility model.
Fig. 3 is diaphragm structure schematic diagram of the present utility model.
Fig. 4 is electrode of the present utility model, clamping steel plate assembly structure figure.
Be labeled as in figure: 1, anolyte import, 2, homogeneous phase anode membrane, 3, dividing plate, 4, homogeneous phase cavity block, 5, Bipolar Membrane, 6, catholyte import, 7, holding bolt, 8, liquor inlet, 9, pole liquid runner plate, 10, anode terminal, 11, clamping steel plate, 12, material liquid outlet, 13, alkali lye exports, 14, cathode terminal, 15, alkali lye import, 16, sheet frame, 17, cloth water flow passage, 18, delivery hole, 19, filter, 20, pole liquid delivery hole, 21, terminal stud duct, 22, electrode, 23, anolyte outlet, 24, catholyte exports, 25, acid solution exports, 26, acid solution import.
Embodiment
Below in conjunction with embodiment, essentiality content of the present utility model is described in further detail.
Embodiment 1
A bipolar membrane electrodialysis method production system for gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
Embodiment 2
A bipolar membrane electrodialysis method production system for gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
In described flame filter press, the density of filter cloth is 1100g/m
2.
Embodiment 3
A bipolar membrane electrodialysis method production system for gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
In described flame filter press, the density of filter cloth is 1300g/m
2.
The filter cloth surface of described flame filter press scribbles diatomite, and diatomaceous thickness is 2mm.
Embodiment 4
A bipolar membrane electrodialysis method production system for gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
In described flame filter press, the density of filter cloth is 1200/m
2.
The filter cloth surface of described flame filter press scribbles diatomite, and diatomaceous thickness is 2mm.
In described ultrafilter, the membrane pore size of ultra-filtration membrane is 0.001 μm.
Embodiment 5
A bipolar membrane electrodialysis method production system for gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
In described flame filter press, the density of filter cloth is 1150g/m
2.
The filter cloth surface of described flame filter press scribbles diatomite, and diatomaceous thickness is 2mm.
In described ultrafilter, the membrane pore size of ultra-filtration membrane is 0.02 μm.
Embodiment 6
A bipolar membrane electrodialysis method production system for gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
In described flame filter press, the density of filter cloth is 1250g/m
2.
The filter cloth surface of described flame filter press scribbles diatomite, and diatomaceous thickness is 2mm.
In described ultrafilter, the membrane pore size of ultra-filtration membrane is 0.01 μm.
Embodiment 7
A bipolar membrane electrodialysis method production system for gluconic acid, comprises flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device.
In described flame filter press, the density of filter cloth is 1180g/m
2.
The filter cloth surface of described flame filter press scribbles diatomite, and diatomaceous thickness is 2mm.
In described ultrafilter, the membrane pore size of ultra-filtration membrane is 0.015 μm.
Embodiment 8
The present embodiment is substantially the same manner as Example 7, on this basis:
Described bipolar membrane electrodialysis device, comprise pole liquid runner plate 9, electrode 22, dividing plate 3, homogeneous phase anode membrane 2, homogeneous phase cavity block 4, Bipolar Membrane 5, pole liquid runner plate 9, anode terminal 10, cathode terminal 14, described cathode terminal 14 welds with cathode vertical, anode terminal 11 and anode vertical welding; Between negative electrode and positive electrode, form a membrane stack space, in described membrane stack space, place film group;
Being placed as of described film group: Bipolar Membrane 5, dividing plate 3, homogeneous phase cavity block 4, dividing plate 3, homogeneous phase anode membrane 2, dividing plate 3, be arranged in order; Film group in membrane stack space is 1-200 group, and the outermost of membrane stack is two-layer is homogeneous phase anode membrane 2; Described film group is clamped by a pair pole liquid runner plate 9, and pole liquid runner plate 9 has anolyte import 1, catholyte import 6, anolyte outlet 23, catholyte outlet 24; Be fixedly clamped by a pair clamping steel plate 11 in the outside of pole liquid runner plate 9; Described clamping steel plate 11 is provided with liquor inlet 8, material liquid outlet 12, alkali lye outlet 13, alkali lye import 15, acid solution outlet 25, acid solution import 26.
Embodiment 9
The present embodiment is substantially the same manner as Example 8, on this basis:
Described dividing plate comprises sheet frame 16, cloth water flow passage 17, delivery hole 18, pole liquid delivery hole 20, filter 19, delivery hole 18 is connected with cloth water flow passage 17, and through with the inner chamber of sheet frame, sheet frame inner chamber cloth filter 19, described filter 19 is 105:100 with the Thickness Ratio of sheet frame.
Embodiment 10
The present embodiment is substantially the same manner as Example 8, on this basis:
Described dividing plate comprises sheet frame 16, cloth water flow passage 17, delivery hole 18, pole liquid delivery hole 20, filter 19, delivery hole 18 is connected with cloth water flow passage 17, and through with the inner chamber of sheet frame, sheet frame inner chamber cloth filter 19, described filter 19 is 120:100 with the Thickness Ratio of sheet frame.
The described thick 0.8mm of sheet frame 16.
Embodiment 11
The present embodiment is substantially the same manner as Example 8, on this basis:
Described dividing plate comprises sheet frame 16, cloth water flow passage 17, delivery hole 18, pole liquid delivery hole 20, filter 19, delivery hole 18 is connected with cloth water flow passage 17, and through with the inner chamber of sheet frame, sheet frame inner chamber cloth filter 19, described filter 19 is 110:100 with the Thickness Ratio of sheet frame.
The described thick 0.5mm of sheet frame 16.
Described filter is double-deck fine-structure mesh, and hank knotting intersects to be placed, and mesh staggers up and down, and mesh size is 5mm, and mesh wire diameter is 3mm.
Embodiment 12
The present embodiment is substantially the same manner as Example 8, on this basis:
Described dividing plate comprises sheet frame 16, cloth water flow passage 17, delivery hole 18, pole liquid delivery hole 20, filter 19, delivery hole 18 is connected with cloth water flow passage 17, and through with the inner chamber of sheet frame, sheet frame inner chamber cloth filter 19, described filter 19 is 115:100 with the Thickness Ratio of sheet frame.
The described thick 0.7mm of sheet frame 16.
Described filter is double-deck fine-structure mesh, and hank knotting intersects to be placed, and mesh staggers up and down, and mesh size is 10mm, and mesh wire diameter is 5mm.
Described electrode 22 is meshed anode plate, and anode material is substrate with titanium, adds coating lead peroxide after intermediate conductive layer.
Embodiment 13
The present embodiment is substantially the same manner as Example 8, on this basis:
Described dividing plate comprises sheet frame 16, cloth water flow passage 17, delivery hole 18, pole liquid delivery hole 20, filter 19, delivery hole 18 is connected with cloth water flow passage 17, and through with the inner chamber of sheet frame, sheet frame inner chamber cloth filter 19, described filter 19 is 108:100 with the Thickness Ratio of sheet frame.
The described thick 0.6mm of sheet frame 16.
Described filter is double-deck fine-structure mesh, and hank knotting intersects to be placed, and mesh staggers up and down, and mesh size is 8mm, and mesh wire diameter is 4mm.
Described electrode 22 is meshed anode plate, and anode material is substrate with titanium, adds coating lead peroxide after intermediate conductive layer.
The size of described dividing plate, film regulating YIN and YANG pole plate is 400*800mm.
Claims (9)
1. a bipolar membrane electrodialysis method production system for gluconic acid, is characterized in that: comprise flame filter press, ultrafilter, bipolar membrane electrodialysis device; The liquid outlet of described flame filter press connects the fluid inlet of ultrafilter, and the liquid outlet of ultrafilter connects the opening for feed of bipolar membrane electrodialysis device;
Described bipolar membrane electrodialysis device, comprise pole liquid runner plate (9), electrode (22), dividing plate (3), homogeneous phase anode membrane (2), homogeneous phase cavity block (4), Bipolar Membrane (5), pole liquid runner plate (9), anode terminal (10), cathode terminal (14), described cathode terminal (14) welds with cathode vertical, anode terminal (11) and anode vertical welding; Between negative electrode and positive electrode, form a membrane stack space, in described membrane stack space, place film group;
Being placed as of described film group: Bipolar Membrane (5), dividing plate (3), homogeneous phase cavity block (4), dividing plate (3), homogeneous phase anode membrane (2), dividing plate (3), be arranged in order; Film group in membrane stack space is 1-200 group, and the outermost of membrane stack is two-layer is homogeneous phase anode membrane (2); Described film group is clamped by a pair pole liquid runner plate (9), and pole liquid runner plate (9) has anolyte import (1), catholyte import (6), anolyte outlet (23), catholyte outlet (24); Be fixedly clamped by a pair clamping steel plate (11) in the outside of pole liquid runner plate (9); Described clamping steel plate (11) is provided with liquor inlet (8), material liquid outlet (12), alkali lye outlet (13), alkali lye import (15), acid solution outlet (25), acid solution import (26).
2. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 1, is characterized in that: in described flame filter press, the density of filter cloth is 1100 ~ 1300g/m
2.
3. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 1, is characterized in that: the filter cloth surface of described flame filter press scribbles diatomite, and diatomaceous thickness is 2mm.
4. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 1, is characterized in that: in described ultrafilter, the membrane pore size of ultra-filtration membrane is 0.001 ~ 0.02 μm.
5. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 1, it is characterized in that: described dividing plate comprises sheet frame (16), cloth water flow passage (17), delivery hole (18), pole liquid delivery hole (20), filter (19), delivery hole (18) is connected with cloth water flow passage (17), and it is through with the inner chamber of sheet frame, sheet frame inner chamber cloth filter (19), described filter (19) is 105 ~ 120:100 with the Thickness Ratio of sheet frame.
6. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 5, is characterized in that: described sheet frame (16) thick 0.5 ~ 0.8mm.
7. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 5, is characterized in that: described filter is double-deck fine-structure mesh, and hank knotting intersects to be placed, and mesh staggers up and down, and mesh size is 5-10mm, and mesh wire diameter is 3-5mm.
8. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 1, is characterized in that: described electrode (22) is meshed anode plate, and anode material is substrate with titanium, adds coating lead peroxide after intermediate conductive layer.
9. the bipolar membrane electrodialysis method production system of a kind of gluconic acid according to claim 1, is characterized in that: the size of described dividing plate, film regulating YIN and YANG pole plate is 400*800mm.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862730A (en) * | 2015-06-12 | 2015-08-26 | 广东航鑫科技股份公司 | Method for preparing potassium permanganate through ion-membrane electrolysis and special electrolytic bath applied to same |
| CN110237714A (en) * | 2019-07-19 | 2019-09-17 | 浙江蓝极膜技术有限公司 | A kind of xylitol electrodialysis deacidifying device |
| CN110407688A (en) * | 2019-08-20 | 2019-11-05 | 安徽省兴宙医药食品有限公司 | A kind of method that fermentation liquid directly processes gluconic acid |
| CN111172205A (en) * | 2019-12-31 | 2020-05-19 | 浙江赛蓝膜科技股份有限公司 | Method for producing gluconolactone by using bipolar membrane electrodialysis device |
-
2014
- 2014-07-22 CN CN201420404902.7U patent/CN204151425U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862730A (en) * | 2015-06-12 | 2015-08-26 | 广东航鑫科技股份公司 | Method for preparing potassium permanganate through ion-membrane electrolysis and special electrolytic bath applied to same |
| CN104862730B (en) * | 2015-06-12 | 2018-03-06 | 广东航鑫科技股份公司 | A kind of method that electrolysis with ion-exchange film prepares potassium permanganate |
| CN110237714A (en) * | 2019-07-19 | 2019-09-17 | 浙江蓝极膜技术有限公司 | A kind of xylitol electrodialysis deacidifying device |
| CN110407688A (en) * | 2019-08-20 | 2019-11-05 | 安徽省兴宙医药食品有限公司 | A kind of method that fermentation liquid directly processes gluconic acid |
| CN111172205A (en) * | 2019-12-31 | 2020-05-19 | 浙江赛蓝膜科技股份有限公司 | Method for producing gluconolactone by using bipolar membrane electrodialysis device |
| CN111172205B (en) * | 2019-12-31 | 2023-11-21 | 浙江赛蓝膜科技股份有限公司 | Method for producing glucose lactone by using bipolar membrane electrodialysis device |
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