CN101560441A - Heat recovery device and method thereof in oil and fat refining process - Google Patents
Heat recovery device and method thereof in oil and fat refining process Download PDFInfo
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- CN101560441A CN101560441A CNA2009101109689A CN200910110968A CN101560441A CN 101560441 A CN101560441 A CN 101560441A CN A2009101109689 A CNA2009101109689 A CN A2009101109689A CN 200910110968 A CN200910110968 A CN 200910110968A CN 101560441 A CN101560441 A CN 101560441A
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Abstract
The invention relates to a heat recovery device and a method thereof in the oil and fat refining process, comprising the following steps: (1) raw oil is sent into a second oil-to-oil heat exchanger to exchange heat with the oil from a first oil-to-oil heat exchanger of a deodorizing unit; (2) the oil after heat exchange is heated, and then mixed with argil and decolorized after the heating is finished; (3) the oil after decolorization enters the first oil-to-oil heat exchanger to exchange heat with the oil from a deodorizing tower; and (4) the oil is heated after heat exchange, and deodorized after heating, and the oil after deodorization is cooled after heat exchange by the first oil-to-oil heat exchanger and the second oil-to-oil heat exchanger. Compared with the prior art, the invention arranges the second oil-to-oil heat exchanger at front of the heater of a decolorizing unit and the water cooler of the deodorization unit, and then utilizes the surplus afterheat with the temperature of about 120 DEG C after heat exchange by the first oil-to-oil heat exchanger, thus achieving the aims of saving energy and reducing consumption.
Description
Technical field
The present invention relates to field of energy-saving technology, be meant heat reclaim unit and method thereof in a kind of oil and fat refining process especially.
Background technology
As everyone knows, need to consume a large amount of heating agent sources in the oil and fat refining process, especially need consume a large amount of steam and other heating agents in deodorization workshop section, enter the oil plant of deodorization system, need be warmed up to about 250 ℃ by about 110 ℃ and produce, after deodorization is finished again the deodorization oil plant about 240 ℃ be cooled to about 40 ℃, get the workshop and enter stockyard, for save energy, reduce production costs, usually at the oil plant that enters the deodorization tower and between the oil plant after finishing deodorization, utilize oily oil heat exchanger to carry out heat exchange, after a large amount of thermal energy exchange, enter watercooler and carry out water cooling its temperature is reduced in the safety range, but before carrying out water cooling, also residue has the waste heat about 120 ℃ to waste.
Summary of the invention
Main purpose of the present invention is to overcome the shortcoming of prior art, and heat reclaim unit and method thereof in a kind of oil and fat refining process are provided.
The present invention adopts following technical scheme: the heat reclaim unit in a kind of oil and fat refining process, comprise a decolouring unit and a deodorization unit, this decolouring unit comprises a well heater, a mixing tank and a bleaching tower, this deodorization unit comprises a well heater, a deodorization tower and a watercooler, before the unitary well heater of deodorization He after the deodorization tower, be equiped with at least one first oily oil heat exchanger, adding at least one second oily oil heat exchanger before the unitary well heater of decolouring with before the unitary watercooler of deodorization.
Heat recovery method in a kind of oil and fat refining process comprises the steps: that (1) send stock oil into the second oily oil heat exchanger, carries out heat exchange with the oil plant that is come out by the deodorization unitary first oily oil heat exchanger; (2) oil plant after the heat exchange heats, and mixes, decolours with carclazyte after heating is finished; (3) oil plant after decolouring is finished enters the first oily oil heat exchanger and carries out heat exchange with the oil plant that comes out from the deodorization tower; (4) heat after heat exchange is finished, carry out deodorization after heating is finished, the oil plant after the deodorization is through the first oily oil heat exchanger and the second oily oil heat exchanger heat exchange postcooling.
The temperature of stock oil is an envrionment temperature in the described step (1).
Oil plant temperature in the described step (1) after the second oily oil heat exchanger heat exchange is 80～90 ℃.
Oil plant temperature in the described step (2) after the heating is 110～115 ℃.
Oil plant temperature after heat exchange is finished in the described step (3) is 215～225 ℃.
Oil plant after heating is finished in the described step (4) is 250～260 ℃.
Oil plant temperature after deodorization is finished in the described step (4) is 235～245 ℃.
Oil plant temperature in the described step (4) after the first oily oil heat exchanger heat exchange is 115～125 ℃.
Oil plant temperature in the described step (4) after the second oily oil heat exchanger heat exchange is 60～75 ℃.
By the above-mentioned description of this invention as can be known, compare with prior art, the present invention is by adding the second oily oil heat exchanger before the unitary well heater of decolouring with before the unitary watercooler of deodorization, about 120 ℃ residue waste heat after the first oily oil heat exchanger heat exchange is made full use of, the temperature that needs heat up is gone up, simultaneously the temperature of needs cooling is lowered, reached energy saving purposes.
Description of drawings
Fig. 1 is a flowage structure synoptic diagram of the present invention.
Embodiment
Below by embodiment the present invention is further specified, what this will state be, because the main heat reclaim unit that is stressed that of the present invention, therefore the equipment such as strainer is not mentioned in decolouring unit and deodorization unit, but this also represents and does not have these equipment among the present invention.
With reference to Fig. 1, heat reclaim unit in a kind of oil and fat refining process of the present invention, comprise a decolouring unit and a deodorization unit, this decolouring unit comprises a well heater 10, a mixing tank 20 and a bleaching tower 30, this deodorization unit comprises a well heater 40, a deodorization tower 50 and a watercooler 60, before the unitary well heater 40 of deodorization He after the deodorization tower 50, be equiped with two first oily oil heat exchangers 70 and 80, adding one second oily oil heat exchanger 90 before the unitary well heater 10 of decolouring with before the unitary watercooler 60 of deodorization.
Heat recovery method in a kind of oil and fat refining process of the present invention comprises the steps: that (1) send stock oil under the normal temperature into the second oily oil heat exchanger 90, with carrying out heat exchange by deodorization unitary first oily oil heat exchanger 70 and the 80 about 120 ℃ oil plants that come out; (2) the about 85 ℃ oil plant after the heat exchange enters well heater 10 and is heated to about 115 ℃, enters mixing tank 20 after heating is finished and bleaching tower 30 mixes, decolours with carclazyte; (3) the about 110 ℃ oil plant of decolouring after finishing enters the first oily oil heat exchanger 70 and 80 and carry out heat exchange from about 240 ℃ oil plant that deodorization tower 50 comes out; (4) about 220 ℃ oil plant entered well heater 40 and heats after heat exchange was finished, enter deodorization tower 50 after being heated to about 255 ℃ and carry out deodorization, about 240 ℃ oil plant is gone into watercooler 60 and is cooled off through first oily oil heat exchanger 70,80 and second oily oil heat exchanger 90 heat exchange are laggard after the deodorization.
Above-mentioned only is a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (10)
1, the heat reclaim unit in a kind of oil and fat refining process, comprise a decolouring unit and a deodorization unit, this decolouring unit comprises a well heater, a mixing tank and a bleaching tower, this deodorization unit comprises a well heater, a deodorization tower and a watercooler, before the unitary well heater of deodorization He after the deodorization tower, be equiped with at least one first oily oil heat exchanger, it is characterized in that: adding at least one second oily oil heat exchanger before the unitary well heater of decolouring with before the unitary watercooler of deodorization.
2, the heat recovery method in a kind of oil and fat refining process is characterized in that comprising the steps: that (1) send stock oil into the second oily oil heat exchanger, carries out heat exchange with the oil plant that is come out by the deodorization unitary first oily oil heat exchanger; (2) oil plant after the heat exchange heats, and mixes, decolours with carclazyte after heating is finished; (3) oil plant after decolouring is finished enters the first oily oil heat exchanger and carries out heat exchange with the oil plant that comes out from the deodorization tower; (4) heat after heat exchange is finished, carry out deodorization after heating is finished, the oil plant after the deodorization is through the first oily oil heat exchanger and the second oily oil heat exchanger heat exchange postcooling.
3, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the temperature of stock oil is an envrionment temperature in the described step (1).
4, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the oil plant temperature in the described step (1) after the second oily oil heat exchanger heat exchange is 80～90 ℃.
5, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the oil plant temperature in the described step (2) after the heating is 110～115 ℃.
6, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the oil plant temperature after heat exchange is finished in the described step (3) is 215～225 ℃.
7, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the oil plant after heating is finished in the described step (4) is 250～260 ℃.
8, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the oil plant temperature after deodorization is finished in the described step (4) is 235～245 ℃.
9, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the oil plant temperature in the described step (4) after the first oily oil heat exchanger heat exchange is 115～125 ℃.
10, the heat recovery method in a kind of oil and fat refining process as claimed in claim 2 is characterized in that: the oil plant temperature in the described step (4) after the second oily oil heat exchanger heat exchange is 60～75 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101109689A CN101560441A (en) | 2009-01-20 | 2009-01-20 | Heat recovery device and method thereof in oil and fat refining process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101109689A CN101560441A (en) | 2009-01-20 | 2009-01-20 | Heat recovery device and method thereof in oil and fat refining process |
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| CN101560441A true CN101560441A (en) | 2009-10-21 |
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| CNA2009101109689A Pending CN101560441A (en) | 2009-01-20 | 2009-01-20 | Heat recovery device and method thereof in oil and fat refining process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226647A (en) * | 2011-04-02 | 2011-10-26 | 郑州远洋油脂工程技术有限公司 | Cooling circulating water technology and device of vacuum system condenser of grease deodorization workshop section |
| CN102250680A (en) * | 2011-06-16 | 2011-11-23 | 湖南盈成油脂工业有限公司 | Fat processing method |
| CN102492548A (en) * | 2011-10-28 | 2012-06-13 | 东北农业大学 | Novel method for producing soybean oil based on moderate clay decoloring and high temperature treatment |
| CN105154224A (en) * | 2015-09-14 | 2015-12-16 | 濮阳市广源油脂有限公司 | Device and method for recovering heat in oil and fat refining process |
| CN107255420A (en) * | 2017-06-27 | 2017-10-17 | 东营市瑞多节能环保科技有限公司 | The oily heat-exchange system of oily heat-exchange method and oil |
| CN111635819A (en) * | 2020-05-11 | 2020-09-08 | 益海（连云港）粮油工业有限公司 | Crude oil refining heat energy comprehensive utilization system |
-
2009
- 2009-01-20 CN CNA2009101109689A patent/CN101560441A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226647A (en) * | 2011-04-02 | 2011-10-26 | 郑州远洋油脂工程技术有限公司 | Cooling circulating water technology and device of vacuum system condenser of grease deodorization workshop section |
| CN102226647B (en) * | 2011-04-02 | 2012-07-11 | 郑州远洋油脂工程技术有限公司 | Cooling circulating water technology and device of vacuum system condenser of grease deodorization workshop section |
| CN102250680A (en) * | 2011-06-16 | 2011-11-23 | 湖南盈成油脂工业有限公司 | Fat processing method |
| CN102492548A (en) * | 2011-10-28 | 2012-06-13 | 东北农业大学 | Novel method for producing soybean oil based on moderate clay decoloring and high temperature treatment |
| CN105154224A (en) * | 2015-09-14 | 2015-12-16 | 濮阳市广源油脂有限公司 | Device and method for recovering heat in oil and fat refining process |
| CN105154224B (en) * | 2015-09-14 | 2019-06-11 | 濮阳市广源油脂有限公司 | Heat reclaim unit and recovery method in a kind of oil and fat refining process |
| CN107255420A (en) * | 2017-06-27 | 2017-10-17 | 东营市瑞多节能环保科技有限公司 | The oily heat-exchange system of oily heat-exchange method and oil |
| CN107255420B (en) * | 2017-06-27 | 2020-01-10 | 山东瑞多节能环保科技有限公司 | Oil-oil heat exchange method and oil-oil heat exchange system |
| CN111635819A (en) * | 2020-05-11 | 2020-09-08 | 益海（连云港）粮油工业有限公司 | Crude oil refining heat energy comprehensive utilization system |
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Open date: 20091021 |