CN107760442A - Biodiesel rectifying waste heat recycling system and technique - Google Patents
Biodiesel rectifying waste heat recycling system and technique Download PDFInfo
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- CN107760442A CN107760442A CN201711096612.5A CN201711096612A CN107760442A CN 107760442 A CN107760442 A CN 107760442A CN 201711096612 A CN201711096612 A CN 201711096612A CN 107760442 A CN107760442 A CN 107760442A
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- 239000003225 biodiesel Substances 0.000 title claims abstract description 187
- 239000002918 waste heat Substances 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000000498 cooling water Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 24
- 239000010426 asphalt Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 7
- 235000014171 carbonated beverage Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 24
- 239000002283 diesel fuel Substances 0.000 description 12
- 238000004821 distillation Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/12—Refining fats or fatty oils by distillation
-
- 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
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- 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
- B01D3/42—Regulation; Control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/16—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Microbiology (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention provides a kind of biodiesel rectifying waste heat recycling system and technique,It is related to heat recovery technology field,Including rectifying column,Steam generator,Biodiesel oil product tank and water tank,The rectifying column is provided with biodiesel vapor outlet port,The steam generator is provided with thermal medium entrance,Thermal medium outlet,Cold water inlet and steam outlet,The thermal medium entrance is connected with the biodiesel vapor outlet port,The thermal medium outlet is connected with the biodiesel oil product tank,The cold medium entrance is connected with the water tank,Alleviate existing biodiesel steam not only needs to consume a large amount of cooling waters in liquefaction cooling procedure,And the technical problem that the latent heat of release can not be used directly,Reach and be used to cooling water heating generation water vapour by caused waste heat in biodiesel steam liquefaction cooling procedure,To be used in direct utilization,Reduce energy waste,Reduce the technique effect of production cost.
Description
Technical field
The present invention relates to heat recovery technology field, more particularly, to a kind of biodiesel rectifying waste heat recycling system
And technique.
Background technology
Biodiesel distillation system is the unit for being related to a high vacuum high temperature operation, is whole biodiesel manufacturing system
Main energy consumption field, therefore, the optimization of biodiesel distillation system operation directly determines biodiesel processing cost.Biology
Diesel oil becomes liquid biological diesel oil to be stored up by distillation operation generation biodiesel steam, biodiesel steam through supercooling
Deposit, but existing biodiesel steam is usually cooled down using cooling water during progress is liquefied, not only needs to disappear
Substantial amounts of cooling water is consumed, and the hot water (70-90 DEG C of temperature) obtained after exchanging heat can not be used directly, cause substantial amounts of heat energy white
Whitecap takes.
In view of this, it is special to propose the present invention.
The content of the invention
An object of the present invention is to provide a kind of biodiesel rectifying waste heat recycling system, existing to alleviate
Biodiesel steam of the biodiesel by rectifying generation in technology not only needs consumption a large amount of during progress is liquefied
Cooling water, and after exchanging heat obtained hot water can not directly using and cause substantial amounts of heat energy to waste.
Biodiesel rectifying waste heat recycling system provided by the invention, including rectifying column, steam generator, biological bavin
Oil product tank and water tank, the rectifying column are provided with biodiesel vapor outlet port, and the steam generator is provided with thermal medium and entered
Mouth, thermal medium outlet, cold water inlet and steam outlet, the hot immediate access are connected with the biodiesel vapor outlet port
Logical, the thermal medium outlet is connected with the biodiesel oil product tank, and the cold medium entrance is connected with the water tank.
Further, the biodiesel rectifying waste heat recycling system also includes steam-water separation tank, the carbonated drink point
It is connected from tank with the steam outlet, and the steam-water separation tank is additionally provided with atmospheric valve.
Further, biodiesel pans are provided between the biodiesel oil product tank and the steam generator,
The biodiesel pans are communicated with tail cooler.
Further, the tail cooler includes the cold and hot medium channel of tail and the cold medium channel of tail, the cold and hot medium of tail
The entrance of passage is connected with the biodiesel pans, and the outlet of the cold and hot medium channel of tail has the cold biological bavin of tail
Oily receiving tank, the cold biodiesel receiving tank of tail are connected with the biodiesel oil product tank.
Further, the biodiesel pans are also connected with the rectifying column, the biodiesel pans with
Reflux pump is provided between the rectifying column.
Further, condenser is provided between the biodiesel pans and the biodiesel oil product tank, it is described
Discharging pump is provided between biodiesel pans and the condenser.
Further, the steam-water separation tank is also connected with the water tank, the water tank and the steam generator it
Between be additionally provided with small pump.
Further, the biodiesel rectifying waste heat recycling system also includes Biological asphalt products pot, the life
Thing asphaltic products tank is connected with the rectifying column.
Further, the biodiesel rectifying waste heat recycling system also includes feed pump, and the feed pump is used for
Coarse biodiesel is delivered in rectifying column.
The second object of the present invention is to provide a kind of biodiesel rectifying heat recovery technique, existing to alleviate
Biodiesel steam of the biodiesel by rectifying generation in technology not only needs consumption a large amount of during progress is liquefied
Cooling water, and after exchanging heat obtained hot water can not directly using and cause substantial amounts of heat energy to waste.
Biodiesel rectifying heat recovery technique provided by the invention, comprises the following steps：Coarse biodiesel is sent
Enter and rectifying is carried out in rectifying column, caused biodiesel steam after rectifying is sent into steam generator and cooled down, obtains liquid
The biodiesel of state, while the latent heat discharged in biodiesel steam liquefaction process will be evaporated in generator as heating source
Cooling water heating generation water vapour.
Biodiesel rectifying waste heat recycling system provided by the invention, by steam generator to biodiesel steam
Cooled down, biodiesel steam is liquefied, obtain liquid biological diesel oil, and will be released in biodiesel steam liquefaction process
The latent heat put changes into the heating source of cooling water in steam generator, cooling water is thermally generated water vapour, and cooling water is turned
Change water vapour into directly to utilize, so as to both reduce the consumption of cooling water, be effectively utilized in biodiesel distillation process and produce again
Raw waste heat, has saved the energy, reduces biodiesel processing cost.
Biodiesel rectifying heat recovery technique provided by the invention, it is raw by the way that coarse biodiesel is carried out into rectifying
Into biodiesel steam, the impurity in biodiesel is removed, biodiesel steam cooled down by steam generator,
The biodiesel of liquid is obtained, and using the latent heat discharged in biodiesel steam liquefaction process as cooling water in steam generator
Heating source, cooling water is thermally generated water vapour, cooling water is converted into water vapour directly utilizes, so as to both reduce it is cold
But the consumption of water, caused waste heat in biodiesel distillation process is effectively utilized again, the energy has been saved, has reduced biodiesel
Processing cost.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the biodiesel rectifying waste heat recycling system that the embodiment of the present invention 1 provides.
Icon：101- rectifying columns；102- steam generators；103- condensers；104- steam-water separation tanks；105- biodiesel
Pans；106- tail coolers；The cold biodiesel receiving tank of 107- tails；108- small pumps；109- discharging pumps；110- reflux pumps；
111- feed pumps；112- atmospheric valves；113- pitch discharge pumps.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment 1
Fig. 1 is the structural representation for the biodiesel rectifying waste heat recycling system that the embodiment of the present invention 1 provides；Such as figure
Shown in 1, a kind of biodiesel rectifying waste heat recycling system, including rectifying column 101, steam generator are present embodiments provided
102nd, biodiesel oil product tank and water tank, the rectifying column 101 are provided with biodiesel vapor outlet port, the steam generator
102 are provided with thermal medium entrance, thermal medium outlet, cold water inlet and steam outlet, the hot immediate access and the biology
Diesel vapor outlet is connected, the thermal medium outlet is connected with the biodiesel oil product tank, the cold medium entrance and
The water tank is connected.
In the present embodiment, rectifying column 101 is additionally provided with coarse biodiesel entrance, will slightly be given birth to by coarse biodiesel entrance
Thing diesel oil adds in rectifying column 101 and carries out rectifying, to produce biodiesel steam, so as to which the impurity in coarse biodiesel be gone
To remove so that biodiesel is purified, but the temperature of biodiesel steam is high, directly can not store and utilize, therefore, it is necessary to
Biodiesel steam is liquefied, to be stored and be utilized.During biodiesel steam is liquefied, it can release big
The latent heat of amount, these heats such as without sufficiently utilize, substantial amounts of energy loss can be caused, cause biodiesel rectifying into
This is high.Existing biodiesel distillation system is usually liquefied by the way of water cooling to biodiesel steam, but
That this not only needs to consume substantial amounts of cooling water, and cooling water be heated during the condensation after the hot water that generates can not yet
Directly utilize, cause the substantial amounts of energy to be wasted.
Biodiesel rectifying waste heat recycling system provided in an embodiment of the present invention, by steam generator 102 to life
Thing diesel vapor is cooled down, and biodiesel steam is liquefied, and obtains liquid biological diesel oil, and by biodiesel steam liquid
The latent heat discharged during change changes into the heating source of cooling water in steam generator 102, cooling water is thermally generated water steaming
Vapour, cooling water is converted into water vapour and directly utilized, so as to both reduce the consumption of cooling water, be effectively utilized biological bavin again
Olein caused waste heat during evaporating, has saved the energy, reduces biodiesel processing cost.
In the present embodiment, steam generator 102 is provided with thermal medium entrance, thermal medium outlet, cooling water inlet and water
Steam (vapor) outlet, by caused heat in thermal medium cooling procedure, cooling water is heated, and the cooling water after heating is turned
Change steam into, so that steam can be utilized directly, heat energy is made full use of, also avoid the consumption of cooling water simultaneously.
In the present embodiment, thermal medium entrance is connected with biodiesel vapor outlet port, thermal medium outlet and biodiesel
Products pot is connected, and cold medium entrance is connected with water tank, biodiesel steam enter steam generator 102 after, by with it is cold
Water carries out heat exchange, releases heat, becomes the biodiesel of liquid, and cold water becomes in steam generator 102 after absorbing heat
Water vapour, then discharged from steam outlet.
In the present embodiment, the heating source that water vapour can both react as biodiesel, can also be used as before rectifying slightly
The thermal source of intermediate products dehydration dealcoholysis in the pre- thermal source and biodiesel distillation process of biodiesel raw material.
In the preferred embodiment of the present embodiment, biodiesel rectifying waste heat recycling system also includes steam-water separation
Tank 104, steam-water separation tank 104 are connected with steam outlet, and steam-water separation tank 104 is additionally provided with atmospheric valve 112.
In order to which the water vapour discharged from steam generator 102 is purified, in the biodiesel that the present embodiment provides
Steam-water separation tank 104 is additionally provided with rectifying waste heat recycling system, the top of steam-water separation tank 104 is provided with water vapour and entered
Mouthful, steam entry is connected with the steam outlet on steam generator 102, by setting steam-water separation tank 104, will enter
The water carried secretly into the water vapour in steam-water separation tank 104 further separates, to avoid influenceing the application of water vapour.
In the preferred embodiment of the present embodiment, the bottom of steam-water separation tank 104 is connected with water tank, in order to by vapour
The water separated in water separation tank 104 is reclaimed.
In the preferred embodiment of the present embodiment, steam-water separation tank 104 is additionally provided with atmospheric valve 112, is put by setting
Empty valve 112, when the pressure in steam-water separation tank 104 exceedes warning pressure, can be let out by opening atmospheric valve 112
Pressure, to avoid, because internal pressure is excessive, causing steam-water separation tank 104 to explode, potential safety hazard is brought to staff.
In the preferred embodiment of the present embodiment, life is provided between biodiesel oil product tank and steam generator 102
Thing diesel oil pans 105, biodiesel pans 105 are communicated with tail cooler 106.
Biodiesel pans 105 are provided with charging aperture and discharging opening, and the thermal medium of charging aperture and steam generator 102 goes out
Mouth is connected, and discharging opening is connected with biodiesel oil product tank, and the top of biodiesel pans 105 is additionally provided with gas and gone out
Mouthful, the gas vent is communicated with tail cooler 106.
In order to avoid steam generator 102 liquefies biodiesel steam not exclusively, the quality of biodiesel is influenceed, at this
In the preferred embodiment of embodiment, by setting biodiesel pans 105, and at the top of biodiesel pans 105
Gas vent is provided with, the biodiesel steam through not partly being liquefied carries out cooling liquid by tail cold air, to reduce biology
The waste of diesel oil.If biodiesel liquefaction is incomplete, the normal operation of whole system is influenceed.
In the preferred embodiment of the present embodiment, tail cooler 106 includes the cold and hot medium channel of tail and the cold medium of tail leads to
Road, the entrance of the cold and hot direct channel of tail are connected with biodiesel pans 105, and the outlet of the cold and hot medium channel of tail has tail
Cold biodiesel receiving tank 107, the cold biodiesel receiving tank 107 of tail are connected with biodiesel oil product tank.
In the preferred embodiment of the present embodiment, on the entrance and biodiesel pans 105 of the cold and hot medium channel of tail
Gas vent be connected, cold medium passage is used to be passed through cooling material, will to pass through heat exchange such as water or other cooling materials
Biodiesel steam cooling in hot media channel, to enable biodiesel steam to liquefy.
In the preferred embodiment of the present embodiment, the outlet of hot media channel, which is connected, the cold biodiesel receiving tank of tail
107 so that by tail cold air cool down after liquid biological diesel oil can be received, the cold biodiesel receiving tank 107 of tail with
Biodiesel oil product tank is connected, and the diesel oil after liquefaction is discharged into biodiesel oil product tank and stored.
In the preferred embodiment of the present embodiment, biodiesel pans 105 are also connected with rectifying column 101, biology
Reflux pump 110 is provided between diesel oil pans 105 and rectifying column 101.
In the preferred embodiment of the present embodiment, the bottom of biodiesel pans 105 is additionally provided with refluxing opening, backflow
Mouth is connected with rectifying column 101.To be required to carry out the adjustment of reflux ratio according to biodiesel quality.
In the preferred embodiment of the present embodiment, backflow is provided between biodiesel pans 105 and rectifying column 101
Pump 110, by setting reflux pump 110, the biodiesel in biodiesel pans 105 is discharged into rectifying column 101 and carried out
Distillation operation.
In the preferred embodiment of the present embodiment, set between biodiesel pans 105 and biodiesel oil product tank
There is condenser 103, discharging pump 109 is provided between condenser 103 and biodiesel pans 105.
By being provided with condenser 103 between biodiesel pans 105 and biodiesel oil product tank, by biological bavin
After the biodiesel exported in oily pans 105 further cools down completely, then it is delivered to biodiesel oil product tank and is stored.
The input of discharging pump 109 is connected with the discharge gate of biodiesel pans 105, the output of the discharging pump 109
End is connected with condenser 103, by setting the discharging pump 109, to accelerate the discharging speed of biodiesel pans 105, carries
Height discharging efficiency.
In the preferred embodiment of the present embodiment, steam-water separation tank 104 connects with water tank, water tank and steam generator
Small pump 108 is provided between 102.
By the way that steam-water separation tank 104 is connected with water tank, the aqueous water separated in steam-water separation tank 104 is entered
Row recovery, by being provided with small pump 108 between water tank and steam generator 102, to accelerate moisturizing efficiency.In this implementation
In preferred embodiment, the input of small pump 108 is connected with water tank, output end and the steam generator 102 of small pump 108
Cold water inlet be connected.
In the preferred embodiment of the present embodiment, the biodiesel rectifying residual neat recovering system also includes Biological asphalt and produced
Product tank, Biological asphalt products pot are connected with rectifying column 101.
Rectifying column 101 is used to coarse biodiesel carrying out rectifying, during rectifying is carried out, a coarse biodiesel part
Biodiesel steam discharge rectifying column 101 is changed into, the bottom that another part high boiling component is deposited on rectifying column 101 is biology
Pitch, in the preferred embodiment of the present embodiment, Biological asphalt outlet, biology drip are provided with the bottom of rectifying column 101
Blue or green outlet is connected with Biological asphalt products pot, and the life discharged from the bottom of rectifying column 101 is collected by Biological asphalt products pot
Thing pitch.
In the preferred embodiment of the present embodiment, drip is provided between Biological asphalt outlet and Biological asphalt products pot
Blue or green discharge pump 113, by pitch discharge pump 113 to accelerate the velocity of discharge of Biological asphalt.
In addition, it is necessary to explanation, asphaltic products tank is delivered to from a Biological asphalt part for the bottom of rectifying column 101 discharge
Stored, another part is transmitted back in rectifying column 101 by pitch discharge pump 113 and continues to participate in biodiesel rectification and purification.
In the preferred embodiment of the present embodiment, the biodiesel rectifying waste heat recycling system also includes feed pump
111, the feed pump 111 is used to coarse biodiesel being delivered in rectifying column 101.
In the preferred embodiment of the present embodiment, rectifying column 101 is provided with coarse biodiesel entrance, and coarse biodiesel leads to
Cross coarse biodiesel entrance and be added in rectifying column 101 and carry out distillation operation, input and the coarse biodiesel of feed pump 111 store up
Tank is connected, and the output end of feed pump 111 is connected with coarse biodiesel entrance, by setting feed pump 111 further
Accelerate the charging rate of coarse biodiesel, accelerate rectification efficiency.
Pressure transmitter and regulation are also equipped with the preferred embodiment of the present embodiment, at the top of steam-water separator
Valve, to enable steam pressure to control to adjust valve regulation by pressure transmitter according to required vapor (steam) temperature.
Embodiment 2
A kind of biodiesel rectifying UTILIZATION OF VESIDUAL HEAT IN recovery process is present embodiments provided, the present embodiment is in the base of embodiment 1
Improvement on plinth, the technical scheme described by embodiment 1 fall within the present embodiment, will not be repeated here.
A kind of biodiesel rectifying heat recovery technique is present embodiments provided, is comprised the following steps：By coarse biometric
Diesel oil is sent into rectifying column and carries out rectifying, and caused biodiesel steam after rectifying is sent into steam generator and cooled down,
The biodiesel of liquid is obtained, while caused heat is as heating source in biodiesel steam liquefaction process, by steam generation
Cooling water heating generation water vapour in device.
The biodiesel rectifying heat recovery technique that the present embodiment provides, by the way that coarse biodiesel is carried out into rectifying,
Biodiesel steam is generated, the impurity in biodiesel is removed, biodiesel steam is carried out by steam generator cold
But, the biodiesel of liquid is obtained, and using caused heat in biodiesel steam liquefaction process as cold in steam generator
But the heating source of water, makes cooling water be thermally generated water vapour, and cooling water is converted into water vapour directly utilizes, so as to both reduce
The consumption of cooling water, is effectively utilized caused waste heat in biodiesel distillation process, has saved the energy, reduced biology again
Diesel oil processing cost.In the preferred embodiment of the present embodiment, steam generator is communicated with steam-water separation tank, and steam is sent out
The steam discharged in raw device is further purified, and the water droplet wherein carried secretly is removed, avoids the presence of water droplet, influences adding for water vapour
Hot merit is imitated.
In the preferred embodiment of the present embodiment, atmospheric valve is provided with the top of steam-water separation tank, to avoid carbonated drink point
It is excessive from pressure in tank, and explode.
Pressure transmitter and regulation are also equipped with the preferred embodiment of the present embodiment, at the top of steam-water separator
Valve, to enable steam pressure to control to adjust valve regulation by pressure transmitter according to required vapor (steam) temperature.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of biodiesel rectifying waste heat recycling system, it is characterised in that including rectifying column, steam generator, biology
Diesel product tank and water tank, the rectifying column are provided with biodiesel vapor outlet port, and the steam generator is provided with thermal medium
Entrance, thermal medium outlet, cold water inlet and steam outlet, the thermal medium entrance are connected with the biodiesel vapor outlet port
Logical, the thermal medium outlet is connected with the biodiesel oil product tank, and the cold medium entrance is connected with the water tank.
2. biodiesel rectifying waste heat recycling system according to claim 1, it is characterised in that also including carbonated drink point
From tank, the steam-water separation tank is connected with the steam outlet, and the steam-water separation tank is additionally provided with atmospheric valve.
3. biodiesel rectifying waste heat recycling system according to claim 1, it is characterised in that the biodiesel
Biodiesel pans are provided between products pot and the steam generator, it is cold that the biodiesel pans are communicated with tail
Device.
4. biodiesel rectifying waste heat recycling system according to claim 3, it is characterised in that the tail cooler bag
Include the cold and hot medium channel of tail and the cold medium channel of tail, entrance and the biodiesel pans of the cold and hot medium channel of tail
It is connected, the outlet of the cold and hot medium channel of tail has the cold biodiesel receiving tank of tail, and the cold biodiesel of tail receives
Tank is connected with the biodiesel oil product tank.
5. biodiesel rectifying waste heat recycling system according to claim 3, it is characterised in that the biodiesel
Pans are also connected with the rectifying column, and reflux pump is provided between the biodiesel pans and the rectifying column.
6. biodiesel rectifying waste heat recycling system according to claim 3, it is characterised in that the biodiesel
Condenser is provided between pans and the biodiesel oil product tank, between the biodiesel pans and the condenser
It is provided with discharging pump.
7. biodiesel rectifying waste heat recycling system according to claim 1, it is characterised in that the steam-water separation
Tank is also connected with the water tank, and small pump is additionally provided between the water tank and the steam generator.
8. the biodiesel rectifying waste heat recycling system according to claim any one of 1-7, it is characterised in that also wrap
Biological asphalt products pot is included, the Biological asphalt products pot is connected with the rectifying column.
9. the biodiesel rectifying waste heat recycling system according to claim any one of 1-7, it is characterised in that also wrap
Feed pump is included, the feed pump is used to coarse biodiesel being delivered in rectifying column.
10. a kind of biodiesel rectifying heat recovery technique, it is characterised in that comprise the following steps：By coarse biodiesel
It is sent into rectifying column and carries out rectifying, caused biodiesel steam after rectifying is sent into steam generator and cooled down, is obtained
The biodiesel of liquid, while the latent heat discharged in biodiesel steam liquefaction process is as heating source, by steam generator
Cooling water heating generation water vapour.
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| CN108727308A (en) * | 2018-05-16 | 2018-11-02 | 浙江工业大学 | A kind of technique that the different monooctyl ester of epoxyfatty acid is prepared based on biodiesel |
| CN114646150A (en) * | 2022-03-25 | 2022-06-21 | 中山大学 | Tower top waste heat recycling cooling system and cooling method thereof |
| CN117618961A (en) * | 2024-01-25 | 2024-03-01 | 河北隆海生物能源股份有限公司 | Rectification steam waste heat recovery system for biodiesel production |
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| CN205420316U (en) * | 2016-03-24 | 2016-08-03 | 山东金冠化工有限公司 | Biodiesel distillation column heat reclaim unit |
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| CN102430254A (en) * | 2011-09-16 | 2012-05-02 | 徐建涛 | Rectification technology and apparatus of aqueous solution of methanol or ethanol |
| CN104447216A (en) * | 2014-12-29 | 2015-03-25 | 唐山市丰南区佳跃化工产品有限公司 | 2-naphthol continuous rectification process |
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| CN108727308A (en) * | 2018-05-16 | 2018-11-02 | 浙江工业大学 | A kind of technique that the different monooctyl ester of epoxyfatty acid is prepared based on biodiesel |
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| CN114646150A (en) * | 2022-03-25 | 2022-06-21 | 中山大学 | Tower top waste heat recycling cooling system and cooling method thereof |
| CN114646150B (en) * | 2022-03-25 | 2023-02-03 | 中山大学 | Tower top waste heat recycling cooling system and cooling method thereof |
| CN117618961A (en) * | 2024-01-25 | 2024-03-01 | 河北隆海生物能源股份有限公司 | Rectification steam waste heat recovery system for biodiesel production |
| CN117618961B (en) * | 2024-01-25 | 2024-04-05 | 河北隆海生物能源股份有限公司 | Rectification steam waste heat recovery system for biodiesel production |
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Inventor after: Nie Yong Inventor after: Lu Meizhen Inventor after: Liu Yuanqing Inventor after: Ji Jianbing Inventor after: Li Xiuhong Inventor after: Xia Fan Inventor after: Qi Chuanhua Inventor after: Liang Xiaojiang Inventor after: Duan Yuanfu Inventor after: Jie Qinglong Inventor before: Liu Yuanqing Inventor before: Li Xiuhong Inventor before: Qi Chuanhua Inventor before: Duan Yuanfu |
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Effective date of registration: 20180426 Address after: 310004 Chao Wang Road, Xiacheng City, Hangzhou, Zhejiang Province, No. 18 Applicant after: Zhejiang University of Technology Applicant after: Shandong Ding Ting Bio Energy Co., Ltd. Address before: 271100 Wudang Mountain Road in Laiwu high and new zone in Shandong Province Applicant before: Shandong Ding Ting Bio Energy Co., Ltd. |
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Application publication date: 20180306 |