CN101745243A - Rectification energy-saving new process - Google Patents
Rectification energy-saving new process Download PDFInfo
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- CN101745243A CN101745243A CN200810179834A CN200810179834A CN101745243A CN 101745243 A CN101745243 A CN 101745243A CN 200810179834 A CN200810179834 A CN 200810179834A CN 200810179834 A CN200810179834 A CN 200810179834A CN 101745243 A CN101745243 A CN 101745243A
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- oil
- new process
- tower
- heat exchanger
- saving new
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- 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
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a rectification energy-saving new process in the biodiesel production process, and in particular relates to a rectification energy-saving new process which takes vegetable oil as raw material to produce the biodiesel; the rectification energy-saving new process is characterized in that: a heat exchanger is additionally arranged below a discharging plate of a refining tower, the raw material oil is directly conveyed to the heat exchanger in the refining tower by a material pump from a second pot, the raw material oil is pre-heated to 120 DEG C by utilizing the vapor phase waste heat, and then the oil is refined at the lower part of the refining tower, so as to save a great amount of heat energy; in addition, the raw material oil can be used for cooling the vapor-phase refined oil, and a great amount of cooling water can be saved; according to actual measurement in the production, the energy can be saved by 2 percent and water can be saved by 10 percent.
Description
Affiliated technical field
The present invention relates to rectification energy-saving new process in a kind of production of biodiesel process, particularly a kind of is a kind of rectification energy-saving new process in the raw material production biodiesel process with the waste animal vegetable oil.
Background technology
Usually, in the refining process of biodiesel, feedstock oil will be delivered to preheater through the punishment in advance pump and carry out preheating, with fuel oil preheating to 120 ℃, enters the refining of refining tower at preheater again, and this process need expends a large amount of energy; And in refining process, have a large amount of gas phase waste heat amounts in the refining tower without utilization; Simultaneously, the biodiesel that refining makes needs the biodiesel after a large-area cooler will be vaporized to be cooled to liquid phase to the discharge port plate discharging on discharge port plate top, and this technology has caused the waste of a large amount of heat energy and cooling water.
Summary of the invention
The objective of the invention is to be to provide rectification energy-saving new process in a kind of production of biodiesel process, particularly a kind of is a kind of rectification energy-saving new process of raw material production biodiesel with the waste animal vegetable oil; It is characterized in that below the discharge port plate of refining tower, having increased a heat exchanger, feedstock oil directly can be delivered to heat exchanger in the refining tower through the material pump since second pot, utilize vapour phase waste heat in the tower with fuel oil preheating to 120 ℃, carry out refining to refining tower bottom again, thereby save a large amount of heat energy; Simultaneously, can utilize feedstock oil to cool off the refined oil of vapour phase, can save a large amount of cooling waters again; According to producing actual measurement, utilization the present invention can save energy 2%; Water saving 10%.
Technical scheme
Main points of the present invention are to relate to rectification energy-saving new process in a kind of production of biodiesel process, this technology contains an energy-conservation purifier at least, and the structure of purifier is: cooler, discharge port plate, heat exchanger, pitch memory, preheater, reboiler, raw oil pump, buffer tank; It is characterized in that feedstock oil directly to be delivered to the heat exchanger in the refining tower through expecting pump since second pot, utilize vapour phase waste heat in the tower with fuel oil preheating to 120 ℃, carry out refining to the refining tower again, preheat link, save a large amount of electric energy and steam resource thereby saved feedstock oil; Because of design below discharge port plate has heat exchanger, can utilize feedstock oil to cool off the refined oil of vapour phase again simultaneously, can save a large amount of cooling waters again.
Description of drawings:
Fig. 1 is a kind of rectification energy-saving new process schematic diagram of the present invention
Cooler (1), discharge port plate (2), heat exchanger (3), pitch memory (4), preheater (5), reboiler (6), raw oil pump (7), concise tower (8), buffer tank (9)
The invention has the advantages that:
1, feedstock oil directly can be delivered to heat exchanger in the refining tower through the material pump since second pot, utilize vapour phase waste heat in the tower with fuel oil preheating to 120 ℃, carry out refining to the refining tower again, thereby save a large amount of heat energy, according to producing actual measurement, use the present invention to can save energy 2%.
2, simultaneously, because feedstock oil directly is delivered to heat exchanger in the refining tower through the material pump, can utilize like this feedstock oil to cool off the refined oil of vapour phase, can save a large amount of cooling waters, according to producing actual measurement, use the present invention can economize on water 10%.
The specific embodiment
Below by example the present invention is further described:
Main points of the present invention are to relate to rectification energy-saving new process in a kind of production of biodiesel process, this technology contains an energy-conservation purifier at least, and the structure of purifier is: cooler (1), discharge port plate (2), heat exchanger (3), pitch memory (4), preheater (5), reboiler (6), raw oil pump (7), concise tower (8), buffer tank (9); It is characterized in that beginning first pot when concise, feedstock oil is gone into preheater (9) by raw oil pump (7), with fuel oil preheating to 120 ℃, enters reboiler (6) vaporization, inserts concise tower again and vaporizes concise; Feedstock oil directly can be delivered to heat exchanger in the refining tower (3) through material pump (7) since second pot, utilize vapour phase waste heat in the tower, enter reboiler (6) vaporization fuel oil preheating to 120 ℃; The vaporization biodiesel that rectifying produces through the cooling of heat exchanger (3), is cooled to the liquid phase biodiesel through cooler (1) earlier again, is stored in product buffer tank (9) through discharge port plate (2), and separated pitch is sent into pitch memory (4).
Claims (3)
1. rectification energy-saving new process, being particularly related to a kind of is a kind of rectification energy-saving new process of raw material production biodiesel with the waste animal vegetable oil, it is characterized in that beginning first pot when concise, feedstock oil is gone into preheater (9) by raw oil pump (7), with fuel oil preheating to 120 ℃, enter reboiler (6) vaporization, insert concise tower again and vaporize concise; Feedstock oil directly can be delivered to heat exchanger in the refining tower (3) through material pump (7) since second pot, utilize vapour phase waste heat in the tower, enter reboiler (6) vaporization fuel oil preheating to 120 ℃; The vaporization biodiesel that rectifying produces through the cooling of heat exchanger (3), is cooled to the liquid phase biodiesel through cooler (1) earlier again, is stored in product buffer tank (9) through discharge port plate (2), and separated pitch is sent into pitch memory (4).
2. a kind of rectification energy-saving new process as claimed in claim 1 is characterized in that the heat exchanger in the refining tower is that stainless steel tube is made, and area is not more than 15 square metres under 100 tons of scales of daily output.
3. a kind of rectification energy-saving new process as claimed in claim 1, it is characterized in that concise since second pot can with feedstock oil through the material pump directly be delivered to heat exchanger in the refining tower (3), utilize the vapour phase waste heat in the tower to be preheated to 120 ℃, enter reboiler (6) vaporization, rectifying.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200810179834A CN101745243A (en) | 2008-12-01 | 2008-12-01 | Rectification energy-saving new process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN200810179834A CN101745243A (en) | 2008-12-01 | 2008-12-01 | Rectification energy-saving new process |
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CN101745243A true CN101745243A (en) | 2010-06-23 |
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CN200810179834A Pending CN101745243A (en) | 2008-12-01 | 2008-12-01 | Rectification energy-saving new process |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101974370A (en) * | 2010-09-28 | 2011-02-16 | 上海绿铭环保科技股份有限公司 | Heat exchange system for industrialized production of biodiesel |
CN102798310A (en) * | 2012-09-01 | 2012-11-28 | 防城港市中能生物能源投资有限公司 | Two-stage heat-exchanging and energy-saving cooling device |
CN103285615A (en) * | 2013-06-26 | 2013-09-11 | 重庆江增船舶重工有限公司 | MVR (mechanical vapor recompression) fractionation system |
CN109260747A (en) * | 2018-12-04 | 2019-01-25 | 四川金尚环保科技有限公司 | Production of biodiesel distills separation system with energy-saving type |
-
2008
- 2008-12-01 CN CN200810179834A patent/CN101745243A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101974370A (en) * | 2010-09-28 | 2011-02-16 | 上海绿铭环保科技股份有限公司 | Heat exchange system for industrialized production of biodiesel |
CN102798310A (en) * | 2012-09-01 | 2012-11-28 | 防城港市中能生物能源投资有限公司 | Two-stage heat-exchanging and energy-saving cooling device |
CN103285615A (en) * | 2013-06-26 | 2013-09-11 | 重庆江增船舶重工有限公司 | MVR (mechanical vapor recompression) fractionation system |
CN103285615B (en) * | 2013-06-26 | 2014-11-26 | 重庆江增船舶重工有限公司 | MVR (mechanical vapor recompression) fractionation system |
CN109260747A (en) * | 2018-12-04 | 2019-01-25 | 四川金尚环保科技有限公司 | Production of biodiesel distills separation system with energy-saving type |
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Open date: 20100623 |