CN204034293U - Lactic acid enrichment facility - Google Patents
Lactic acid enrichment facility Download PDFInfo
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- CN204034293U CN204034293U CN201420366218.4U CN201420366218U CN204034293U CN 204034293 U CN204034293 U CN 204034293U CN 201420366218 U CN201420366218 U CN 201420366218U CN 204034293 U CN204034293 U CN 204034293U
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Abstract
The utility model discloses a kind of lactic acid enrichment facility, comprise: compensator, MVR evaporation concentration system and TVR bis-imitate evaporation concentration system, in described MVR evaporation concentration system, compensator, plate type preheater A, plate type preheater B, MVR plate-type evaporator, MVR cyclone separator are connected by materail tube successively, are connected bottom MVR cyclone separator by materail tube with plate type preheater A; TVR bis-is imitated in evaporation concentration system, plate type preheater A, feed surge drum, plate type preheater C, plate type preheater D, an effect plate-type evaporator, an effect cyclone separator, two effect plate-type evaporators, two effect cyclone separators are connected by materail tube successively, and material is discharged from discharging pump.The utility model is by MVR technique and TVR technique organic assembling, Part I utilizes MVR plate type evaporating apparatus, give full play to the advantage that its operating cost is low, Part II TVR two is imitated plate evaporation and be compensate for the not high deficiency of MVR plate type evaporating apparatus discharge concentration, achieves equipment investment and operating cost optimization.
Description
Technical field
The utility model relates to a kind of lactic acid enrichment facility.
Background technology
Lactic acid, formal name used at school is α-hydracrylate, and its molecular formula is: C
2h
5o-COOH is a kind of simple carboxylic acid.It is one of a kind of ancient and important organic acid, extensively be present in occurring in nature, all find that there is lactic acid in vivo, lactic acid has been found from useless Ruzhong as far back as Sweden chemist in 1780, lactic acid is easy to water and dissolves each other, be not easy crystallization very much, lactic acid concn reaches more than 60%, existing very high hygroscopicity.Lactic acid is generally colourless or micro-yellow liquid.Lactic acid, lactate and derivative thereof, be widely used in the fields such as food, medicine, feed, chemical industry.
Acidity due to lactic acid is soft and stable, contributes to the local flavor of food, and food industry is widely used as acid, anticorrisive agent and reducing agent.Can be used for the production of cold drink, candy, cake, also can be used for fish, meat, the processing of vegetables and preservation.Compared with edible with citric acid, malic acid etc., there is very strong competitiveness.In the U.S., lactic acid is used for soft drink aspect, instead of citric acid, phosphoric acid etc. significantly.On Brewage, the U.S. prohibits the use the inorganic acids such as phosphoric acid to regulate RH value, all uses lactic acid instead.Lactic acid directly can also be used as the disinfectant in the places such as operating room, ward, laboratory, workshop.Lactic acid can make an addition in tobacco, can keep the humidity of tobacco, improves the quality of tobacco.Also can be used for the deliming in leather industry, it can make lime become the calcium lactate salt of solubility and remove.Make leather soft, fine and closely woven, thus make high leather.It is used for processing textile fabric, can make it to be easy to painted, increases gloss, makes soft-touch.
Traditional lactic acid concentration technology is generally adopt MVR plate evaporation mode, and just can reach predetermined requirement, complex process after needing material repeatedly to circulate, energy consumption is high.
MVR system English Mechanical VaRor RecomRression abridges, i.e. function of mechanical steam recompression; TVR system English thermal VaRor RecomRression abridges, i.e. thermodynamic steam recompression.
Utility model content
For overcoming the deficiencies in the prior art, the utility model provides the high lactic acid enrichment facility of a kind of efficiency of energy utilization.
The technical scheme that the utility model is taked is: a kind of lactic acid enrichment facility, for concentrated lactic acid solution, comprising: compensator, MVR evaporation concentration system and TVR bis-imitate evaporation concentration system,
Described MVR evaporation concentration system comprises plate type preheater A, plate type preheater B, MVR plate-type evaporator, MVR cyclone separator, MVR vapour compression machine, compensator, plate type preheater A, plate type preheater B, MVR plate-type evaporator, MVR cyclone separator is connected by materail tube successively, be connected with plate type preheater A by materail tube bottom MVR cyclone separator, MVR cyclone separator top is connected with MVR vapour compression machine by jet chimney, plate type preheater B, MVR plate-type evaporator is connected with steam pipeline (trace) with MVR vapour compression machine, live steam enters plate type preheater B from steam pipeline (trace), in MVR plate-type evaporator and MVR vapour compression machine, MVR plate-type evaporator is connected with MVR vapour compression machine by jet chimney, plate type preheater B and MVR plate-type evaporator are connected with plate type preheater A by condensing water conduit, condensed water is discharged from plate type preheater A,
TVR bis-is imitated evaporation concentration system and is comprised heat pump, feed surge drum, plate type preheater C, plate type preheater D, one effect plate-type evaporator, one effect cyclone separator, two effect plate-type evaporators, two effect cyclone separators, discharging pump, condenser, plate type preheater A, feed surge drum, plate type preheater C, plate type preheater D, one effect plate-type evaporator, one effect cyclone separator, two effect plate-type evaporators, two effect cyclone separators are connected by materail tube successively, material is discharged from discharging pump, one effect cyclone separator by jet chimney respectively with heat pump, two effect plate-type evaporators connect, heat pump is imitated plate-type evaporator by steam pipeline (trace) and and is connected, heat pump and plate type preheater D are provided with heating steam inlet, one effect plate-type evaporator, two effect plate-type evaporators, two effect cyclone separators are provided with jet chimney and are connected with condenser, one effect plate-type evaporator, two effect plate-type evaporators are connected with plate type preheater C by condensing water conduit.
Further, also comprise MVR steam-water separator, an effect steam-water separator and two effect steam-water separators, described plate type preheater B, MVR plate-type evaporator is connected with MVR steam-water separator by condensing water conduit, the external world is linked by jet chimney in the top of MVR steam-water separator, the bottom of MVR steam-water separator is connected with plate type preheater A by condensing water conduit, and plate type preheater A links the external world by condensing water conduit;
One effect plate-type evaporator is imitated steam-water separator by condensing water conduit and and is connected, the top of one effect steam-water separator is imitated plate-type evaporator by jet chimney with heat pump and two and is connected, and the bottom of an effect steam-water separator is connected with plate type preheater C by condensing water conduit;
Two effect plate-type evaporators are imitated steam-water separator by condensing water conduit and two and are connected, and the top of two effect steam-water separators is connected with condenser by jet chimney, and the bottom of two effect steam-water separators is connected with plate type preheater C by condensing water conduit.
Further, described condenser is plate-type condenser.
The beneficial effects of the utility model following points:
(1) by MVR technique and TVR technique organic assembling, Part I utilizes MVR plate type evaporating apparatus, give full play to the advantage that its operating cost is low, Part II TVR two is imitated plate evaporation and be compensate for again the not high deficiency of MVR plate type evaporating apparatus discharge concentration, both with the use of, achieve the optimum combination of equipment investment and operating cost.
(2) achieve continuous feeding and discharging in evaporation process, without the need to circulating and evaporating, improve production efficiency.
(3) MVR plate type evaporating apparatus, material after concentrated, indirect steam and condensed water all can utilize and carry out preheating to material, and waste heat is all fully used, and energy-saving effect is remarkable.
(4) plank frame vapo(u)rization system is applied to lactic acid solution to concentrate, MVR plate evaporation system and TVR two are imitated evaporimeter, preheater, condenser in plate evaporation system and are all adopted sheet structure form, instead of old-fashioned tubular structure, it is high that plank frame has heat exchange efficiency, system bulk is little, lightweight, easy to maintenance, the feature such as the low and thermal loss of operation and maintenance expense is very little.
Accompanying drawing explanation
Fig. 1 is the structural representation of compensator of the present utility model and MVR evaporation concentration system.
Fig. 2 is the structural representation that TVR bis-of the present utility model imitates evaporation concentration system.
Below in conjunction with accompanying drawing detailed description of the invention of the present utility model done and illustrate further.
Detailed description of the invention
embodiment 1
See Fig. 1 and Fig. 2, this lactic acid enrichment facility, for concentrated lactic acid solution, comprising: compensator 1, MVR evaporation concentration system and TVR bis-imitate evaporation concentration system,
Described MVR evaporation concentration system comprises plate type preheater A2, plate type preheater B3, MVR plate-type evaporator 4, MVR cyclone separator 5, MVR vapour compression machine 6, compensator 1, plate type preheater A2, plate type preheater B3, MVR plate-type evaporator 4, MVR cyclone separator 5 is connected by materail tube successively, be connected with plate type preheater A2 by materail tube bottom MVR cyclone separator 5, MVR cyclone separator 5 top is connected with MVR vapour compression machine 6 by jet chimney, plate type preheater B3, MVR plate-type evaporator 4 is connected with steam pipeline (trace) with MVR vapour compression machine 6, live steam enters plate type preheater B3 from steam pipeline (trace), in MVR plate-type evaporator 4 and MVR vapour compression machine 6, MVR plate-type evaporator 4 is connected with MVR vapour compression machine 6 by jet chimney, plate type preheater B3 and MVR plate-type evaporator 4 are connected with plate type preheater A2 by condensing water conduit, condensed water is discharged from plate type preheater A2,
TVR bis-is imitated evaporation concentration system and is comprised heat pump 7, feed surge drum 8, plate type preheater C9, plate type preheater D10, one effect plate-type evaporator 11, one effect cyclone separator 12, two effect plate-type evaporators 13, two effect cyclone separators 14, discharging pump 15, condenser 16, plate type preheater A2, feed surge drum 8, plate type preheater C9, plate type preheater D10, one effect plate-type evaporator 11, one effect cyclone separator 12, two effect plate-type evaporators 13, two effect cyclone separators 14 is connected by materail tube successively, material is discharged from discharging pump 15, one effect cyclone separator 12 by jet chimney respectively with heat pump 7, two effect plate-type evaporators 13 connect, and heat pump 7 is imitated plate-type evaporator 11 by steam pipeline (trace) and and is connected, and heat pump 7 and plate type preheater D10 are provided with heating steam inlet, an effect plate-type evaporator 11, two effect plate-type evaporators 13, two effect cyclone separators 14 are provided with jet chimney and are connected with condenser 16, an effect plate-type evaporator 11, two effect plate-type evaporators 13 are connected with plate type preheater C9 by condensing water conduit.
Also comprise MVR steam-water separator 17, and imitate steam-water separator 18 and two effect steam-water separators 19, described plate type preheater B3, MVR plate-type evaporator 4 is connected with MVR steam-water separator 17 by condensing water conduit, the external world is linked by jet chimney in the top of MVR steam-water separator 17, the bottom of MVR steam-water separator 17 is connected with plate type preheater A2 by condensing water conduit, and plate type preheater A2 links the external world by condensing water conduit;
One effect plate-type evaporator 11 is imitated steam-water separator 18 by condensing water conduit and and is connected, the top of one effect steam-water separator 18 is imitated plate-type evaporator 13 by jet chimney and heat pump 7 and two and is connected, and a bottom of imitating steam-water separator 18 is connected with plate type preheater C by condensing water conduit;
Two effect plate-type evaporators 13 are imitated steam-water separator 19 by condensing water conduit and two and are connected, and the top of two effect steam-water separators 19 is connected with condenser 16 by jet chimney, and the bottom of two effect steam-water separators 19 is connected with plate type preheater C9 by condensing water conduit.
Material from a upper technique enters compensator, then plate type preheater A is entered successively, plate type preheater B, enter in MVR plate-type evaporator after being preheated in plate type preheater A with plate type preheater B and be heated into liquid-vapor mixture material, then vapor-liquid separation in MVR cyclone separator is entered, steam is sucked by MVR vapour compression machine, MVR plate-type evaporator is entered as heating steam after being compressed, material bottom MVR cyclone separator is sent to plate type preheater A and carries out preheating material, the condensed water of plate type preheater B and MVR plate-type evaporator enters in MVR steam-water separator, after vapor-liquid separation, gas is discharged from the top of MVR steam-water separator, liquid enters plate type preheater A from the bottom of MVR steam-water separator, for heating material, the condensed water that plate type preheater A produces is discharged, plate type preheater B, MVR plate-type evaporator is connected with steam pipeline (trace) with MVR vapour compression machine, live steam enters plate type preheater B from steam pipeline (trace), in MVR plate-type evaporator and MVR vapour compression machine,
MVR evaporation concentration system evaporation and concentration data:
Total evaporation: 12000kg/h
Input concentration: 19%
Discharge concentration: 50%
Feeding temperature: 30 DEG C
Drop temperature: 70 DEG C
Inlet amount: 19355kg/h
Evaporating temperature: 90 DEG C, heating steam temperature 100 DEG C;
TVR bis-is imitated in evaporation concentration system, feed surge drum is entered by the material of lowering the temperature after preheating cold material in plate type preheater A, then under the effect of pump, plate type preheater C is entered successively, plate type preheater D is preheated, enter again in an effect plate-type evaporator and be heated into liquid-vapor mixture material, then vapor-liquid separation in an effect cyclone separator is entered, a steam part is siphoned away by heat pump, another part enters two effect plate-type evaporators as two effect heating steams, liquid material enters two effect plate-type evaporators, be heated into liquid-vapor mixture material, then vapor-liquid separation in two effect cyclone separators is entered, steam enters discharge after cooling in condenser, liquid material is discharged by discharging pump, the condensed water that one effect plate-type evaporator produces enters in an effect steam-water separator, after being separated, gas enters heat pump from a top part for an effect steam-water separator, another part enters in two effect plate-type evaporators as two effect heating steams, it is material preheating that liquid enters plate type preheater C from the bottom of an effect steam-water separator,
The condensed water that two effect plate-type evaporators produce enters in two effect steam-water separators, after being separated, gas enters discharge after cooling condenser from the top of two effect steam-water separators, it is material preheating that liquid enters plate type preheater C from the bottom of two effect steam-water separators, and the condensed water that plate type preheater C produces is discharged.
Heat pump sucks live steam, supplies one imitate plate-type evaporator and imitate heating steam as one with one after imitate the isolated a part of steam of cyclone separator, separately has live steam supply plate type preheater D.
TVR bis-imitates evaporation concentration system evaporation and concentration data:
Total evaporation: 4000kg/h
Input concentration: 50%
Discharge concentration: 85%
Feeding temperature: 70 DEG C
Drop temperature: 70 DEG C
Inlet amount: 9715kg/h
One effect evaporating temperature: 90 DEG C, two effect evaporating temperatures: 70 DEG C.
Claims (3)
1. a lactic acid enrichment facility, for concentrated lactic acid solution, comprising: compensator, MVR evaporation concentration system and TVR bis-imitate evaporation concentration system,
Described MVR evaporation concentration system comprises plate type preheater A, plate type preheater B, MVR plate-type evaporator, MVR cyclone separator, MVR vapour compression machine, compensator, plate type preheater A, plate type preheater B, MVR plate-type evaporator, MVR cyclone separator is connected by materail tube successively, be connected with plate type preheater A by materail tube bottom MVR cyclone separator, MVR cyclone separator top is connected with MVR vapour compression machine by jet chimney, plate type preheater B, MVR plate-type evaporator is connected with steam pipeline (trace) with MVR vapour compression machine, live steam enters plate type preheater B from steam pipeline (trace), in MVR plate-type evaporator and MVR vapour compression machine, MVR plate-type evaporator is connected with MVR vapour compression machine by jet chimney, plate type preheater B and MVR plate-type evaporator are connected with plate type preheater A by condensing water conduit, condensed water is discharged from plate type preheater A,
TVR bis-is imitated evaporation concentration system and is comprised heat pump, feed surge drum, plate type preheater C, plate type preheater D, one effect plate-type evaporator, one effect cyclone separator, two effect plate-type evaporators, two effect cyclone separators, discharging pump, condenser, plate type preheater A, feed surge drum, plate type preheater C, plate type preheater D, one effect plate-type evaporator, one effect cyclone separator, two effect plate-type evaporators, two effect cyclone separators are connected by materail tube successively, material is discharged from discharging pump, one effect cyclone separator by jet chimney respectively with heat pump, two effect plate-type evaporators connect, heat pump is imitated plate-type evaporator by steam pipeline (trace) and and is connected, heat pump and plate type preheater D are provided with heating steam inlet, one effect plate-type evaporator, two effect plate-type evaporators, two effect cyclone separators are provided with jet chimney and are connected with condenser, one effect plate-type evaporator, two effect plate-type evaporators are connected with plate type preheater C by condensing water conduit.
2. lactic acid enrichment facility according to claim 1, it is characterized in that: also comprise MVR steam-water separator, an effect steam-water separator and two effect steam-water separators, described plate type preheater B, MVR plate-type evaporator is connected with MVR steam-water separator by condensing water conduit, the external world is linked by jet chimney in the top of MVR steam-water separator, the bottom of MVR steam-water separator is connected with plate type preheater A by condensing water conduit, and plate type preheater A links the external world by condensing water conduit;
One effect plate-type evaporator is imitated steam-water separator by condensing water conduit and and is connected, the top of one effect steam-water separator is imitated plate-type evaporator by jet chimney with heat pump and two and is connected, and the bottom of an effect steam-water separator is connected with plate type preheater C by condensing water conduit;
Two effect plate-type evaporators are imitated steam-water separator by condensing water conduit and two and are connected, and the top of two effect steam-water separators is connected with condenser by jet chimney, and the bottom of two effect steam-water separators is connected with plate type preheater C by condensing water conduit.
3. lactic acid enrichment facility according to claim 1 and 2, is characterized in that: described condenser is plate-type condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366218.4U CN204034293U (en) | 2014-07-04 | 2014-07-04 | Lactic acid enrichment facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366218.4U CN204034293U (en) | 2014-07-04 | 2014-07-04 | Lactic acid enrichment facility |
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| CN204034293U true CN204034293U (en) | 2014-12-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524793A (en) * | 2014-12-31 | 2015-04-22 | 山东圣琪生物有限公司 | MVR evaporator |
| CN105833555A (en) * | 2016-05-10 | 2016-08-10 | 深圳市瑞升华科技股份有限公司 | Plate heat exchanger concentration system and concentration process thereof |
| CN111544913A (en) * | 2020-04-27 | 2020-08-18 | 广东中科光年数智科技有限公司 | Heat pump evaporation concentration system |
-
2014
- 2014-07-04 CN CN201420366218.4U patent/CN204034293U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524793A (en) * | 2014-12-31 | 2015-04-22 | 山东圣琪生物有限公司 | MVR evaporator |
| CN105833555A (en) * | 2016-05-10 | 2016-08-10 | 深圳市瑞升华科技股份有限公司 | Plate heat exchanger concentration system and concentration process thereof |
| CN111544913A (en) * | 2020-04-27 | 2020-08-18 | 广东中科光年数智科技有限公司 | Heat pump evaporation concentration system |
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