CN105865191A - Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling - Google Patents
Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling Download PDFInfo
- Publication number
- CN105865191A CN105865191A CN201610253367.3A CN201610253367A CN105865191A CN 105865191 A CN105865191 A CN 105865191A CN 201610253367 A CN201610253367 A CN 201610253367A CN 105865191 A CN105865191 A CN 105865191A
- Authority
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- China
- Prior art keywords
- vinasse
- tail gas
- exhaust gas
- steam
- feeding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/007—Energy recuperation; Heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/001—Heating arrangements using waste heat
- F26B23/007—Heating arrangements using waste heat recovered from the dried product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F2025/005—Liquid collection; Liquid treatment; Liquid recirculation; Addition of make-up liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to a method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling. The method comprises the following steps: (1), after centrifuging vinasse, obtaining a wet vinasse material and vinasse clear liquid, and after concentrating the vinasse clear liquid, feeding concentrated liquid into a concentrated liquid storage tank; (2), conveying the wet vinasse material and the concentrated liquid to a material return spiral conveyor, conveying the wet vinasse material and the concentrated liquid to a mixing spiral conveyor together, mixing, and after mixing uniformly, feeding the mixture into a tube bank type drying machine; (3), feeding saturated steam into the tube bank type drying machine, and heating and drying the material mixture in a reverse flow manner so as to obtain a dried material, exhaust gas and condensed water; (4), after separating the exhaust gas by a cyclone separator, obtaining a separated material and separated exhaust gas, feeding the separated material into the material return spiral conveyor, and cyclically utilizing the separated material; (5), feeding the separated exhaust gas into a sprinkling tower, washing the exhaust gas, and separately producing secondary steam A and washing water left after heat exchange; and (6), feeding the condensed water into a condensed water flash evaporation tank, carrying out flash evaporation on the condensed water, and separately producing secondary steam B and condensed liquid. The method is simple and reliable, is continuous in running, saves energy, reduces consumption and is safe and environment-friendly.
Description
Technical field
The present invention relates to energy regenerating, energy conservation field, particularly relate to vinasse bundled tube and be dried tail gas and steam condensate heat recovery method.
Background technology
Vinasse can produce substantial amounts of tail gas and steam condensate in dry run, and direct discharge can cause the waste of the energy, simultaneously also can be to environment.In this case it is desirable to a kind of suitably technology of exploitation carries out energy regenerating to tail gas and steam condensate.
Summary of the invention
The technical problem to be solved is to provide a kind of operation simple and reliable, continuous, energy-saving and cost-reducing, the vinasse bundled tube of safety and environmental protection is dried tail gas and steam condensate heat recovery method.
For solving the problems referred to above, vinasse bundled tube of the present invention is dried tail gas and steam condensate heat recovery method, comprises the following steps:
(1), after being centrifuged under the speed of 2500 ~ 3500rpm by vinasse, respectively obtain wet grain material and distiller's grains liquor；Described distiller's grains liquor enters concentrate storage tank after concentrating under the conditions of temperature is 65 ~ 75 DEG C；
(2) described wet grain material is delivered to returning charge conveying worm, the concentrated liquid pump of concentrate in the most described concentrate storage tank is squeezed in described returning charge conveying worm, now, described wet grain material is delivered to mixing auger conveyer together with described concentrate and is stirred, and through feeding spiral conveyer enters Pipebundledrier after mixing under the speed of 1000 ~ 3000rpm；
(3), by saturated vapor input to described Pipebundledrier, use the mode of heating indirectly to make the mixed material adverse current heat drying of described saturated vapor and described step (2) gained, respectively obtain dried material and tail gas and condensed water；Described dried material is delivered to product storehouse through discharging spiral conveyor；
The most described tail gas, after cyclone separator separates, respectively obtains the material after separation and separates tail gas；The rotated discharge valve of material after described separation recycles in entering described returning charge conveying worm；
The most described separation tail gas enters spray column, and meanwhile, described spray column squeezed into by the washings scrubbed liquid circulating pump in washing liquor tank, after the two carries out abundant heat exchange, produces the washings after indirect steam A and heat exchange respectively；Described indirect steam A is used for other workshop section needing heat as thermal source；Washings after described heat exchange flow in described washing liquor tank, continue as circulation washings through described detergent circulator supercharging rear portion, and a part is arranged as outside clear liquid；
The most described condensed water enters and carries out flash distillation in condensed water flash tank, produces indirect steam B and lime set respectively；Described indirect steam B is used for other workshop section needing heat as thermal source after being mixed by saturated vapor injection by jet pump；Described lime set is by arranging outside condensate transfer pump or being delivered to boiler water reuse.
Described step (2) in concentrate pump be Pulp pump.
Described step (2) in Pipebundledrier be boundling shell and tube, and equipped with flight on tubulation.
Described step (5) in spray column be plate column or packed tower.
Described step (6) in jet pump be venturi jet pump.
The present invention compared with prior art has the advantage that
1, simple and reliable process, continuous operation, temperature-controllable.
Present invention process system is simple and reliable, and whole system is all made up of conventional equipment, and flow process is simple, and operation is continuously.Meanwhile, the indirect steam of generation can need to carry out temperature regulation according to the external world.
2, energy-saving and cost-reducing, heat recovery rate is high, safety and environmental protection.
The present invention, first against the source of respective energy and feature, uses suitable method that dry tail gas and steam condensate are carried out heat recovery.Dry tail gas carries out direct aqueous vapor heat exchange, and evaporation produces indirect steam as thermal source；Steam condensate carries out flash vaporization pressurizeed as thermal source by the mixed temperature of jet pump with live steam.Heat recovery efficiency is high in this way, and the thermal source use value of generation is high, reduces discharging consumption reduction effect obvious, safety and environmental protection simultaneously.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Fig. 1 is the schematic flow sheet of the present invention.
Fig. 2 is drying process schematic diagram in the present invention.
In figure: 1-Pipebundledrier, 2-cyclone separator, 3-rotary discharge valve, 4-spray column, 5-washing liquor tank, 6-detergent circulator, 7-condensed water flash tank, 8-jet pump, 9-condensate transfer pump, 10-concentrate storage tank, 11-returning charge conveying worm, 12-concentrate pump, 13-mixing auger conveyer, 14-feeding spiral conveyer, 15-discharging spiral conveyor.
Detailed description of the invention
As shown in Figure 1 and 2, vinasse bundled tube is dried tail gas and steam condensate heat recovery method, comprises the following steps:
(1), after being centrifuged under the speed of 2500 ~ 3500rpm by vinasse, respectively obtain wet grain material and distiller's grains liquor；Distiller's grains liquor enters concentrate storage tank 10 after concentrating under the conditions of temperature is 65 ~ 75 DEG C.
(2) wet grain material is delivered to returning charge conveying worm 11, the concentrated liquid pump of concentrate 12 in concentrate storage tank 10 is squeezed in returning charge conveying worm 11 simultaneously, now, wet grain material is delivered to mixing auger conveyer 13 together with concentrate and is stirred, and through feeding spiral conveyer 14 enters Pipebundledrier 1 after mixing under the speed of 1000 ~ 3000rpm.
Wherein:
Concentrate pump 12 is Pulp pump.
Pipebundledrier 1 is boundling shell and tube, and equipped with flight on tubulation.
(3), by saturated vapor input to Pipebundledrier 1, use the mode of heating indirectly to make the mixed material adverse current heat drying of saturated vapor and step (2) gained, respectively obtain dried material and tail gas and condensed water；Dried material is delivered to product storehouse through discharging spiral conveyor 15.
(4) tail gas is after cyclone separator 2 separates, and respectively obtains the material after separation and separates tail gas；The rotated discharge valve of material 3 after separation recycles in entering returning charge conveying worm 11.
(5) separating tail gas and enter spray column 4, meanwhile, spray column 4 squeezed into by the washings scrubbed liquid circulating pump 6 in washing liquor tank 5, after the two carries out abundant heat exchange, produces the washings after indirect steam A and heat exchange respectively；Indirect steam A is used for other workshop section needing heat as thermal source.Washings after heat exchange flow in washing liquor tank 5, and scrubbed liquid circulating pump 6 supercharging rear portion continues as circulation washings, and a part is arranged as outside clear liquid.
Wherein: spray column 4 is plate column or packed tower.
(6) condensed water carries out flash distillation in entering condensed water flash tank 7, produces indirect steam B and lime set respectively；Indirect steam B is used for other workshop section needing heat as thermal source after being mixed by saturated vapor injection by jet pump 8；Lime set is by arranging outside condensate transfer pump 9 or being delivered to boiler water reuse.
Wherein: jet pump 8 is venturi jet pump.
Claims (5)
1. vinasse bundled tube is dried tail gas and steam condensate heat recovery method, comprises the following steps:
(1), after being centrifuged under the speed of 2500 ~ 3500rpm by vinasse, respectively obtain wet grain material and distiller's grains liquor；Described distiller's grains liquor enters concentrate storage tank (10) after concentrating under the conditions of temperature is 65 ~ 75 DEG C；
(2) described wet grain material is delivered to returning charge conveying worm (11), the concentrated liquid pump of concentrate (12) in the most described concentrate storage tank (10) is squeezed in described returning charge conveying worm (11), now, described wet grain material is delivered to mixing auger conveyer (13) together with described concentrate and is stirred, and through feeding spiral conveyer (14) enters Pipebundledrier (1) after mixing under the speed of 1000 ~ 3000rpm；
(3), by saturated vapor input to described Pipebundledrier (1), use the mode of heating indirectly to make the mixed material adverse current heat drying of described saturated vapor and described step (2) gained, respectively obtain dried material and tail gas and condensed water；Described dried material is delivered to product storehouse through discharging spiral conveyor (15)；
The most described tail gas, after cyclone separator (2) separates, respectively obtains the material after separation and separates tail gas；The rotated discharge valve of material (3) after described separation recycles in entering described returning charge conveying worm (11)；
The most described separation tail gas enters spray column (4), and meanwhile, described spray column (4) squeezed into by the washings scrubbed liquid circulating pump (6) in washing liquor tank (5), after the two carries out abundant heat exchange, produces the washings after indirect steam A and heat exchange respectively；Described indirect steam A is used for other workshop section needing heat as thermal source；Washings after described heat exchange flow in described washing liquor tank (5), continue as circulation washings through described detergent circulator (6) supercharging rear portion, and a part is arranged as outside clear liquid；
The most described condensed water enters and carries out flash distillation in condensed water flash tank (7), produces indirect steam B and lime set respectively；Described indirect steam B is used for other workshop section needing heat as thermal source after being mixed by saturated vapor injection by jet pump (8)；Described lime set is arranged outward by condensate transfer pump (9) or is delivered to boiler water reuse.
2. vinasse bundled tube as claimed in claim 1 is dried tail gas and steam condensate heat recovery method, it is characterised in that: described step (2) in concentrate pump (12) be Pulp pump.
3. vinasse bundled tube as claimed in claim 1 is dried tail gas and steam condensate heat recovery method, it is characterised in that: described step (2) in Pipebundledrier (1) be boundling shell and tube, and equipped with flight on tubulation.
4. vinasse bundled tube as claimed in claim 1 is dried tail gas and steam condensate heat recovery method, it is characterised in that: described step (5) in spray column (4) be plate column or packed tower.
5. vinasse bundled tube as claimed in claim 1 is dried tail gas and steam condensate heat recovery method, it is characterised in that: described step (6) in jet pump (8) be venturi jet pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253367.3A CN105865191A (en) | 2016-04-22 | 2016-04-22 | Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253367.3A CN105865191A (en) | 2016-04-22 | 2016-04-22 | Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling |
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| Publication Number | Publication Date |
|---|---|
| CN105865191A true CN105865191A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253367.3A Pending CN105865191A (en) | 2016-04-22 | 2016-04-22 | Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595279A (en) * | 2016-11-29 | 2017-04-26 | 天华化工机械及自动化研究设计院有限公司 | Semicoke heat recovery method for rotary residue heat boiler |
| CN108426446A (en) * | 2017-02-15 | 2018-08-21 | 杭州金山仪表阀业有限公司 | A kind of drying equipment equipped with middle pressure steam temperature control equipment |
| CN109489345A (en) * | 2018-12-26 | 2019-03-19 | 郑州博大浓缩干燥设备有限公司 | Vinasse albumen Feed Manufacturing Air Dried System |
| CN109974467A (en) * | 2019-03-27 | 2019-07-05 | 泰兴金江化学工业有限公司 | A kind of system of acetate steam condensate (SC) heat reuse |
| CN112254499A (en) * | 2020-10-21 | 2021-01-22 | 张掖市三益化工外贸有限公司 | Fluorite drying and dust removing device and process |
| CN114754564A (en) * | 2022-05-13 | 2022-07-15 | 江苏格兰特干燥浓缩设备有限公司 | Low-energy-consumption tube bundle drying machine and using method thereof |
| CN114993030A (en) * | 2022-07-05 | 2022-09-02 | 北京中兴洁源科技有限公司 | System and method for eliminating peculiar smell of waste steam of tube bundle dryer |
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| CN105466171A (en) * | 2015-12-25 | 2016-04-06 | 孙发喜 | Vacuum tube bundle drying system with waste heat for pneumatic drying |
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| CN200983821Y (en) * | 2006-12-25 | 2007-12-05 | 郑州大学生化工程中心 | Device for producing DDGS feedstuff by using alcohol lees |
| CN101831314A (en) * | 2009-03-12 | 2010-09-15 | 兰州瑞德干燥技术有限公司 | Method for humidifying and drying coking coal in coke oven and equipment therefor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595279A (en) * | 2016-11-29 | 2017-04-26 | 天华化工机械及自动化研究设计院有限公司 | Semicoke heat recovery method for rotary residue heat boiler |
| CN106595279B (en) * | 2016-11-29 | 2019-05-31 | 天华化工机械及自动化研究设计院有限公司 | Rotary waste heat boiler semicoke heat recovery method |
| CN108426446A (en) * | 2017-02-15 | 2018-08-21 | 杭州金山仪表阀业有限公司 | A kind of drying equipment equipped with middle pressure steam temperature control equipment |
| CN109489345A (en) * | 2018-12-26 | 2019-03-19 | 郑州博大浓缩干燥设备有限公司 | Vinasse albumen Feed Manufacturing Air Dried System |
| CN109489345B (en) * | 2018-12-26 | 2024-01-30 | 郑州博大浓缩干燥设备有限公司 | Air flow drying system for distillers' grains protein feed production |
| CN109974467A (en) * | 2019-03-27 | 2019-07-05 | 泰兴金江化学工业有限公司 | A kind of system of acetate steam condensate (SC) heat reuse |
| CN112254499A (en) * | 2020-10-21 | 2021-01-22 | 张掖市三益化工外贸有限公司 | Fluorite drying and dust removing device and process |
| CN114754564A (en) * | 2022-05-13 | 2022-07-15 | 江苏格兰特干燥浓缩设备有限公司 | Low-energy-consumption tube bundle drying machine and using method thereof |
| CN114754564B (en) * | 2022-05-13 | 2023-05-30 | 江苏格兰特干燥浓缩设备有限公司 | Low-energy-consumption tube bundle dryer and application method thereof |
| CN114993030A (en) * | 2022-07-05 | 2022-09-02 | 北京中兴洁源科技有限公司 | System and method for eliminating peculiar smell of waste steam of tube bundle dryer |
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Application publication date: 20160817 |