CN109022248A - A kind of electric power liquid fuel thinning process units and method - Google Patents
A kind of electric power liquid fuel thinning process units and method Download PDFInfo
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
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- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
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Abstract
The invention discloses a kind of electric power liquid fuel thinning process units and method, belong to fuel producing technology field, including liquid body, the boiling mechanism being connected with the liquid body, the saccharifying tank being connected with the boiling mechanism, the cooling body being connected with the saccharifying tank, the fermentor being connected with the cooling body；The liquid body includes that will be sequentially connected one to the N grade of preheating tower connect, the liquefied pot being connected with the N grades of preheating tower；The boiling mechanism includes that the heater being connected with the liquefied pot by the conveyance conduit equipped with liquefaction material pump, the boiling column being connected with the heater and the boiling column are sequentially connected one to the N+1 grade of flash tank connect, N >=2.The present invention reduces the consumption of steam by the way of multistage recycling heat, obtains good liquefying-saccharifying effect, and purity of alcohol is high.
Description
Technical field
The invention belongs to fuel producing technology fields, and in particular to a kind of electric power liquid fuel thinning process units and
Method.
Background technique
In recent years, the renewable electric power development impetus in China is swift and violent, and the renewable electric power installation such as photovoltaic, wind-powered electricity generation, water power is strong
The Continuous optimization of domestic electrical supply structure is pushed.In comparison, the development of China's regeneratable liquors fuel is then obvious lags,
Have become the protrusion short slab of current energy transition, it would be highly desirable to accelerate development.Ethyl alcohol is a kind of important basic industries raw material, in the energy
Field is also used as a kind of fresh fuel instead of gasoline, and fermentation alcohol is it compared to the maximum advantage of gasoline as fuel
Reproducibility；It is as alcohol fuel that dosage is maximum at present.Alcohol fuel can have as a kind of reproducible green energy resource
World oil contradiction in short supply is alleviated on effect ground, can also realize the conversion of agricultural resource abundant and industrial energy, both be agricultural
Raw material deep processing and comprehensive utilization provide an important channel and significantly reduce row of the harmful substance in vehicle exhaust again
It puts, to protect ecological environment for the survival of mankind to contribute.Traditional alcohol fermentation can generate big in liquefaction, digestion process
The steam of amount wastes a large amount of energy, therefore, effectively by the energy recycling of this part, improves the productivity of ethyl alcohol, right
Saving production has great meaning.
Notification number discloses a kind of complete equipment for producing straw cellulosic ethanol for the patent of CN201545830U, including successively
Grinding device, feeding device, infiltration tank, pretreatment tank, saccharifying tank, fermentor, distilling apparatus and the ethanol storage tank of connection.The straw
Stalk fiber ethyl alcohol production complete set of equipments forms complete process units system according to the intrinsic physicochemical property of stalk, this is at being arranged
Standby to have engineering, rationally, high degree of automation, low energy consumption, and continuous operation effect is good, the good technology of unfailing performance for design
Feature may advantageously facilitate the commercial conversion process of China's future stalk fibre ethyl alcohol.But the equipment carried out level-one distillation and
Secondary distillation generates a large amount of steam in distillation process and does not recycle, energy dissipation, and equipment includes two-step distillation device
With two-stage cooling device, cost is big, and occupied space is larger.
The patent that notification number is CN101948875B discloses a kind of starch raw material low temperature boiling thick mash fermentation and prepares ethyl alcohol
Method.Belong to fermentation process synthesizing alcohol.It is liquefied using low temperature boiling, thick mash fermentation process, including step is operated as follows
Rapid: the cleaning of a. raw material crushes, and b., which precooks, prepares slurry liquid, the liquefaction of c. low temperature boiling, d. saccharification, fermentation, distillation.One kind is provided
Liquefier moisture content is low, and pol is high；Low energy consumption, yield is high, and production is stablized, lower-cost starch raw material low temperature boiling thick mash
The method of alcohol prepared by fermenting.The water that this method prepares slurry liquid is the water additionally added, not by the steaming in digestion process
Vapour collects liquefaction and is used to prepare slurry liquid, increases cost investment, and this method is saccharified, distills after fermentation, and does not cool down, system
The impurity such as the methanol contained in standby ethyl alcohol are more.
Summary of the invention
In view of this, the present invention provides a kind of electric power liquid fuel thinning process units and method, returned using multistage
The mode for receiving heat reduces the consumption of steam, obtains good liquefying-saccharifying effect, and purity of alcohol is high.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of electric power liquid fuel thinning process units, including liquid body, the boiling being connected with the liquid body
Mechanism, the saccharifying tank being connected with the boiling mechanism, the cooling body being connected with the saccharifying tank and the cooling body
The fermentor being connected；
The liquid body includes that will be sequentially connected one to the N grade of preheating tower connect, the liquefaction being connected with the N grades of preheating tower
Tank；The boiling mechanism includes with the liquefied pot by being equipped with the heater and institute that the conveyance conduit of liquefaction material pump is connected
It states heater and is sequentially connected the boiling column connect, one to N+1 grade of flash tank, N >=2.
Preferably, level-one preheating tower is equipped with feed inlet in the liquid body.
Preferably, the heater is equipped with steam input interface.
Preferably, described one to N grade of flash tank passes sequentially through flash distillation waste gas delivery pipeline road and the corresponding N to level-one
Preheating tower is connected, and described one to N grade of preheating tower is all connected with a vacuum pump, and the N+1 grades of flash tank and setting are in the flash distillation
The gas converting heat module of tank side is connected, and the gas converting heat module equally connects vacuum pump, and the gas converting heat module is N
+ 1 grade of preheating tower or condenser.
Preferably, the entrance of the saccharifying tank is connected with the N+1 grades of flash tank, and the outlet of the saccharifying tank is by setting
There is the conveyance conduit of saccharification discharging pump to be connected with cooling body, the saccharifying tank is equipped with enzyme import.
Preferably, the fermentor is equipped with discharge port.
Preferably, a kind of electric power liquid fuel thinning production method, comprising the following steps:
S1: check whether each component work is normal, under the premise of ensuring working properly, by crushing material, adds water, α-amylase
Slurry is made in stirring；
S2: putting into slurry into level-one preheating tower by feed inlet, and slurry is successively after one to N grade of preheating tower preheats, vacuum
Pump takes the incoagulable gas in preheating tower away, and slurry, which enters in liquefied pot, to liquefy, and obtains liquefied mass；
S3: the liquefied mass that step S2 is obtained is added by being equipped with the conveyance conduit of liquefaction material pump and being transported in heater
Heat, after boiling for a period of time in boiling column, entrance one is flashed into N+1 grades of flash tanks, obtains boiling mash；
S4: the boiling mash that step S3 is obtained is transported in saccharifying tank, after being saccharified by enzyme import addition carbohydrase, is led to
The conveyance conduit equipped with saccharification discharging pump is crossed to be transported to cooling body and cooled down, after being fermented in fermentor,
Pass through discharge port output.
Preferably, the water in the step S1 is N+1 grades of flash distillations in one to N grade of preheating tower in the step S2 and step S3
Remaining high-temperature steam liquefaction gained in tank.
Preferably, in the step S2, the high-temperature steam in one to N grade of preheating tower is one to N grade in the step S3
The remaining high-temperature steam that flash tank generates, and be transported in one to N grade of preheating tower by conveyance conduit.
Preferably, in the step S3, heater conveys steam by steam input interface.
The beneficial effects of the present invention are:
The present invention includes being sequentially connected the liquid body connect, boiling mechanism, saccharifying tank, cooling body and fermentor.Liquid body
Slurry is heats liquefied, and including that will be sequentially connected the N connect grade preheating tower, liquefied pot, material liquefies in liquefied pot.Boiling mechanism
Including with liquefied pot by be equipped with liquefaction material pump conveyance conduit be connected heater, be connected with heater boiling column,
One to the N+1 grade of flash tank connect is sequentially connected with boiling column, the preferred jet heater of heater saves steam.Material is flashing
In tank after flash distillation, into connected saccharifying tank, carbohydrase is added by enzyme import and is saccharified, after saccharification, is passed through
Conveyance conduit equipped with saccharification discharging pump is transported to cooling body and is cooled down, and after being fermented in fermentor, leads to
Cross discharge port output.Cooling body can be tubular heat exchanger, or the board-like cooling of grade, the board-like cooling of grade is by the heat of hot material
Amount passes to cold burden by heat-dissipating pipe, improves the thermal efficiency, reduces the enrichment of material.The board-like preferred broad passage plate of cooling of grade
Heat exchanger, compared with other types equipment, broad passage plate heat exchanger has compact-sized, and heat transfer efficiency is high, after channel blockage
Openable end cap through wash improves heat transfer efficiency compared with traditional tubular heat exchanger, reduces investment outlay, and reduces occupied area.
In the present invention, the series of preheating tower and flash tank may be configured as second level, three-level, even more, and flash distillation has antiscale
Performance is good, be easy to enlargement, operating flexibility is big and the advantages that using Lowlevel thermal energy and waste heat, the present invention uses Multi-stage flash
It steams, is rapidly heated to material, sloughs moisture and exhaust gas extra in material rapidly, improve the solid content of material, improve ethyl alcohol
Output capacity and purity.The flash distillation exhaust gas generated in flash process in the present invention is transported in preheating tower by conveyance conduit, is pre-
Thermal tower provides heat, does not need to be additionally provided steam to preheating tower, reduces the consumption of steam, saved the energy.In preheating tower
After slurry is preheated, remaining high-temperature steam is exported by pipeline in preheating tower, and is liquefied as water, remaining in N+1 grades of flash tanks
High-temperature steam enter gas converting heat module after, be equally liquefied as water, for smashed material being mixed before producing, stirring system
At slurry, slurry is prepared in the present invention, does not need additionally to consume water.
The present invention adds α-amylase stirring that slurry is made first by crushing material with from the liquefied water of remaining high-temperature steam；Then
Slurry is put into level-one preheating tower by feed inlet, and slurry is successively after the preheating of multistage preheating tower, and vacuum pump is by preheating tower
Interior incoagulable gas is taken away, maintains the vacuum degree in preheating tower, slurry, which enters in liquefied pot, to liquefy, and obtains liquefied mass；Liquid
Compound material is transported in heater and is heated by being equipped with the conveyance conduit of liquefaction material pump, subsequently into boiling in boiling column,
Make to liquefy more uniform thorough, subsequently into flashing in N+1 grades of flash tanks, obtains boiling mash；Boiling mash is transported to saccharification
In slot, after being saccharified by enzyme import addition carbohydrase, the conveyance conduit by being equipped with saccharification discharging pump is transported to cooler
Structure is cooled down, and after being fermented in fermentor, passes through discharge port output.
The present invention provides a kind of electric power liquid fuel thinning process units and method, the flash distillation that will be generated in flash tank
Exhaust gas is transported in preheating tower by conveyance conduit, provides heat for preheating tower, energy saving；It is remaining after preheating in preheating tower
High-temperature steam liquefaction is water for mixing slurry.Whole process utilizes steam circulation, energy-saving and water-saving, improves the utilization rate of equipment, energy
Consume low, continuous operation effect is good.Traditional production method, the methanol content adulterated in ethyl alcohol are 0.18g/ 100ml, use this
Equipment carries out multistage preheating and flash distillation, obtains preferable liquefying-saccharifying effect, the purity of alcohol of production is high, the methanol content contained
It is 0-0.001g/ 100ml for 0.02-0.03g/ 100ml and fusel oil content, alcohol yied is high.
Detailed description of the invention
Following further describes the present invention with reference to the drawings.
Fig. 1 is the structural schematic diagram of electric power liquid fuel thinning process units of the embodiment of the present invention.
Fig. 2 is the process flow chart of electric power liquid fuel thinning process units of the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, 1-2 with reference to the accompanying drawings of the specification,
The technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is of the invention one
Divide embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art are obtained
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
Refering to fig. 1, the present embodiment provides electric power liquid fuel thinning process units, including liquid body and the liquefaction
Boiling mechanism that mechanism is connected, the saccharifying tank 9 being connected with the boiling mechanism, the cooling being connected with the saccharifying tank 9
Mechanism, the fermentor 13 being connected with the cooling body；
The liquid body include will be sequentially connected the level-one preheating tower 1 connect, second level preheating tower 3, with the second level preheating tower phase
The liquefied pot 4 of connection；The boiling mechanism includes being connected with the liquefied pot 4 by being equipped with the conveyance conduit of liquefaction material pump 5
Heater 6, be connected with the heater 6 boiling column 7, with the boiling column 7 be sequentially connected the primary flash tank 15 connect,
Two-stage flash tank 14, three stages of flashing tank 11.
Level-one preheating tower 1 is equipped with feed inlet in the liquid body, and the heater 6 is equipped with steam input interface.
The primary flash tank 15 is connected by flashing waste gas delivery pipeline road with the second level preheating tower 3, the second level
Flash tank 14 is connected by flashing waste gas delivery pipeline road with the level-one preheating tower 1, and flash distillation waste gas delivery pipeline road is equipped with valve
Door, the level-one preheating tower 1, second level preheating tower 3 are all connected with a vacuum pump 2, and the three stages of flashing tank 11 is with setting in the sudden strain of a muscle
The gas converting heat module 8 of steaming pot side is connected, the gas converting heat module 8 equally connection vacuum pump 2, the gas converting heat mould
Block 8 is three-level preheating tower, and remaining high-temperature steam is exported by pipeline in one, two, three preheating tower, condensation liquefaction Cheng Shui, is used
In preparation slurry.
The entrance of the saccharifying tank 9 is connected with the three stages of flashing tank 11, and the outlet of the saccharifying tank 9 is by being equipped with sugar
The conveyance conduit for changing discharging pump 10 is connected with cooling body 12, and the saccharifying tank 9 is equipped with enzyme import.On the fermentor 13
Equipped with discharge port.The cooling body 12 is tubular heat exchanger.
Embodiment 2
Refering to fig. 1, the present embodiment provides a kind of electric power liquid fuel thinning process units, the difference with embodiment 1
Be: in the present embodiment, the heater 6 is jet heater, saves steam, and the gas converting heat module 8 is condenser, from
The remaining high-temperature steam that three stages of flashing tank 11 exports, which is sent into condenser, is condensed into the higher liquid of pressure, and vacuum pump 2 extracts not
Solidifying property gas, maintains vacuum degree.
Embodiment 3
Refering to fig. 1, the present embodiment provides a kind of electric power liquid fuel thinning process units, the difference with embodiment 2
Be: in the present embodiment, the cooling body 12 is broad passage plate heat exchanger, improves heat transference efficiency, saves the energy, structure
Compact, occupied area is small.
Embodiment 4
Referring to Fig.2, the present embodiment provides a kind of electric power liquid fuel thinning production methods, comprising the following steps:
S1: check whether each component work is normal, under the premise of ensuring working properly, by crushing material, adds water, α-amylase
Slurry is made in stirring, and the solid content of slurry is conducive to material and conveys less than 35%, and material is amyloid biomass material；
S2: putting into slurry into level-one preheating tower by feed inlet, and slurry is successively after first and second grade of preheating tower preheats, very
Sky pump takes incoagulable gas in preheating tower away, and slurry, which enters in liquefied pot, to liquefy, and obtains liquefied mass；
S3: the liquefied mass that step S2 is obtained is added by being equipped with the conveyance conduit of liquefaction material pump and being transported in heater
Heat, subsequently into boiling in boiling column, temperature is 90-105 DEG C, then sequentially enters and flashes in first, second and third grade of flash tank,
Temperature is 88-107 DEG C, obtains boiling mash；
S4: the boiling mash that step S3 is obtained is transported in saccharifying tank, after being saccharified by enzyme import addition carbohydrase, is led to
The conveyance conduit equipped with saccharification discharging pump is crossed to be transported to cooling body and cooled down, after being fermented in fermentor,
Pass through discharge port output.
Water in the step S1 is remaining in three stages of flashing tank in I and II preheating tower in the step S2 and step S3
High-temperature steam liquefy gained.
In the step S2, high-temperature steam in I and II preheating tower be in the step S3 one or two, grade flash tank produces
Raw remaining high-temperature steam, and be transported in I and II preheating tower by conveyance conduit.
In the step S3, heater conveys steam by steam input interface.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of electric power liquid fuel thinning process units, it is characterised in that: including liquid body and the liquid body
The boiling mechanism that is connected, the saccharifying tank being connected with the boiling mechanism, the cooling body being connected with the saccharifying tank, with
The fermentor that the cooling body is connected；
The liquid body includes that will be sequentially connected one to the N grade of preheating tower connect, the liquefaction being connected with the N grades of preheating tower
Tank；The boiling mechanism includes with the liquefied pot by being equipped with the heater and institute that the conveyance conduit of liquefaction material pump is connected
It states heater and is sequentially connected the boiling column connect, one to N+1 grade of flash tank, N >=2.
2. a kind of electric power liquid fuel thinning process units as described in claim 1, it is characterised in that: the liquefier
Level-one preheating tower is equipped with feed inlet in structure.
3. a kind of electric power liquid fuel thinning process units as described in claim 1, it is characterised in that: the heater
It is equipped with steam input interface.
4. a kind of electric power liquid fuel thinning process units as described in claim 1, it is characterised in that: described one to N
Grade flash tank passes sequentially through flash distillation waste gas delivery pipeline road and is connected with the corresponding N to level-one preheating tower, and described one to N grade
Preheating tower is all connected with a vacuum pump, and the N+1 grades of flash tank is connected with the gas converting heat module that the flash tank side is arranged in
It connects, the gas converting heat module equally connects vacuum pump, and the gas converting heat module is N+1 grades of preheating towers or condenser.
5. a kind of electric power liquid fuel thinning process units as described in claim 1, it is characterised in that: the saccharifying tank
Entrance be connected with the N+1 grades of flash tank, the saccharifying tank outlet by be equipped with saccharification discharging pump conveyance conduit with
Cooling body is connected, and the saccharifying tank is equipped with enzyme import.
6. a kind of electric power liquid fuel thinning process units as described in claim 1, it is characterised in that: the fermentor
It is equipped with discharge port.
7. using a kind of electric power liquid fuel thinning production method as claimed in any one of claims 1 to 6, feature exists
In: the following steps are included:
S1: check whether each component work is normal, under the premise of ensuring working properly, by crushing material, adds water, α-amylase
Slurry is made in stirring；
S2: putting into slurry into level-one preheating tower by feed inlet, and slurry is successively after one to N grade of preheating tower preheats, vacuum
Pump takes the incoagulable gas in preheating tower away, and slurry, which enters in liquefied pot, to liquefy, and obtains liquefied mass；
S3: the liquefied mass that step S2 is obtained is added by being equipped with the conveyance conduit of liquefaction material pump and being transported in heater
Heat, after boiling for a period of time in boiling column, entrance one is flashed into N+1 grades of flash tanks, obtains boiling mash；
S4: the boiling mash that step S3 is obtained is transported in saccharifying tank, after being saccharified by enzyme import addition carbohydrase, is led to
The conveyance conduit equipped with saccharification discharging pump is crossed to be transported to cooling body and cooled down, after being fermented in fermentor,
Pass through discharge port output.
8. a kind of electric power liquid fuel thinning production method as claimed in claim 7, it is characterised in that: the step S1
In water be high-temperature steam remaining in N+1 grades of flash tanks in one to N grade of preheating tower in the step S2 and step S3 liquefy institute
?.
9. a kind of electric power liquid fuel thinning production method as claimed in claim 7, it is characterised in that: the step S2
In, the high-temperature steam in one to N grade of preheating tower is that the remaining high temperature that one to N grade of flash tank in the step S3 generates steams
Vapour, and be transported in one to N grade of preheating tower by conveyance conduit.
10. a kind of electric power liquid fuel thinning production method as claimed in claim 7, it is characterised in that: the step
In S3, heater conveys steam by steam input interface.
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| CN201811126378.0A CN109022248A (en) | 2018-09-26 | 2018-09-26 | A kind of electric power liquid fuel thinning process units and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511864A (en) * | 2019-08-28 | 2019-11-29 | 宿州市皖神面制品有限公司 | A kind of thinning workshop section multiple-effect tandem flash distillation energy saving technique |
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| CN110511864A (en) * | 2019-08-28 | 2019-11-29 | 宿州市皖神面制品有限公司 | A kind of thinning workshop section multiple-effect tandem flash distillation energy saving technique |
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