CN102827701A - System for controlling temperature of oil pool - Google Patents
System for controlling temperature of oil pool Download PDFInfo
- Publication number
- CN102827701A CN102827701A CN2012103186732A CN201210318673A CN102827701A CN 102827701 A CN102827701 A CN 102827701A CN 2012103186732 A CN2012103186732 A CN 2012103186732A CN 201210318673 A CN201210318673 A CN 201210318673A CN 102827701 A CN102827701 A CN 102827701A
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- steam
- oil sump
- oil
- coils
- pipe
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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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Abstract
The invention discloses a system for controlling the temperature of an oil pool, which comprises the oil pool, a steam coil, a pneumatic regulating valve and a DCS control system, the system is characterized in that the steam coil is arranged in the oil pool, the steam pipelines are connected to a steam outlet and a steam inlet of the steam coil, the pneumatic regulating valve is arranged on the steam pipeline connected to the steam inlet of the steam coil, and the DCS control system is provided between the oil pool and the pneumatic regulating valve. The crude oil in the production of biodiesel can be controlled in a stable temperature scope, thereby pipe blockage in subsequent step can be avoided, the coking and carbon deposition generated in an esterification reaction process and processes of separation and purification of the product can be reduced, and the operation period of the device can be prolonged.
Description
Technical field
The present invention relates to a kind of temperature controlling system that is applied to chemical industry, specifically is a kind of oil sump temperature controlling system that is applied to the production of biodiesel field.
Background technology
Along with the fast development of world economy, the production technology of every profession and trade is brought in constant renewal in, and constantly pursues more economical more practical technical process and equipment.Day by day under the condition of limited, biofuel enjoys favor as a kind of new bioenergy at the petrifaction diesel reserves.Problems such as charcoal are tied for also existing coking in the production biofuel in the whole world at present, and are being not major reasons through effectively handling aspect the raw oil pre-treatment.
At present; China is the raw material production biofuel with acidifying oil, swill wet goods waste grease mainly; And usually contain impurity such as silt, dregs of beans, vegetable fibre, phosphatide, protein in the waste grease, in the pretreatment process of common raw oil, mainly with natural subsidence as the removal of impurities means; Only raw oil is placed on and lets its natural subsidence in the oil sump, impurity-eliminating effect is bad.Also or feed steam heating, but temperature control is unstable, and is low when high during temperature, causes sedimentation insufficient.Owing to contain the sfas of more C14～C18 in the raw oil, and the fusing point of sfas is low excessively like temperature at 45 ℃～55 ℃; Then can solidify; It can comprise the impurity of poor heat stability such as silt, dregs of beans, vegetable fibre, phosphatide, protein when solidifying, and these impurity are heated when heating up in subsequent handling; The thermopolymerization coking can take place, and causes line clogging; And if temperature is too high, it is inhomogeneous to be heated, and then can cause the waste of heat.
Summary of the invention
The technical problem that the present invention will solve provides a kind of oil sump temperature controlling system; Can the raw oil in the production of biodiesel be controlled at stable TR; Thereby avoid the line clogging of follow-up workshop section; Alleviate esterification reaction process and product separation purification process and produce coking and knot carbon, the cycle of operation of extension fixture.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The oil sump temperature controlling system comprises oil sump, steam coils, pneumatic adjusting valve and DCS system; Said steam coils is located in the oil sump, and the steam entry and exit of steam coils are connected with steam-pipe; On steam-pipe that the steam-in of steam coils links to each other, be provided with said pneumatic adjusting valve; Said DCS system is located between said oil sump and the pneumatic adjusting valve.
Further, in order more effectively to utilize the heat of steam, reduce energy consumption, said oil sump temperature controlling system is provided with two oil sumps arranged side by side, and two oil sumps are respectively equipped with corresponding steam coils, pneumatic adjusting valve and DCS system; The steam-pipe of the steam outlet of one of them steam coils, the steam-pipe of locating with the steam-in of another steam coils is connected.
Further,, reduce variation of temperature and float, also be provided with TP on the said oil sump in order to strengthen the present invention to temperature controlled real-time.
Preferably, said steam coils is a fence type stainless steel coil pipe.
The invention has the beneficial effects as follows:
1, type of heating of the present invention is for being passed to raw oil through steam coils with the heat of steam, compares with the type of heating of general direct feeding steam, and heat interchanging area is bigger, and it is more even to be heated.
2, on the oil sump of the present invention TP is housed, but the temperature of DCS system TP is controlled the steam flow that inserts steam coils automatically through pneumatic adjusting valve, thereby realize automatic constant-temperature control, guarantee the quality of raw oil oil sump.
Description of drawings
Fig. 1 is a frame assumption diagram of the present invention.
Fig. 2 is a schema of the present invention.
Label is among the figure:
11,21 ... The DCS system, 12,22 ... TP, 13,23 ... Steam coils, 14,24 ... Oil sump, 15,25 ... Pneumatic adjusting valve, 16,26,161,261 ... Steam-pipe.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
See figures.1.and.2, the oil sump temperature controlling system comprises oil sump 14,24, steam coils 13,23, pneumatic adjusting valve 15,25 and DCS system 11,21; Said steam coils 13,23 is located at respectively in the oil sump 14,24, and the steam-in of steam coils 13,23 is connected with steam- pipe 16,26 respectively, and vapour outlet is connected with steam-pipe 161,261 respectively; On the steam- pipe 16,26, be respectively equipped with said pneumatic adjusting valve 15,25; Said DCS system 11,21 is located at corresponding oil sump 14,24 and pneumatic adjusting valve 15 respectively, between 25.
This oil sump temperature controlling system is provided with two oil sumps arranged side by side 14,24, and is furnished with corresponding steam coils 13,23 respectively; Pneumatic adjusting valve 15,25 and DCS system 11,21; Be that steam-pipe 161 is connected with steam-pipe 26 for ease, thereby effectively utilize the heat of steam, reduce energy consumption.Simultaneously, be respectively equipped with TP 12,22 on the said oil sump 14,24, TP 12,22 is the temperature detection hot resistance, and it can in time feed back to DCS system 11,21 with temperature information, can strengthen the real-time control to raw material oil temperature in the oil sump 14,24.Said steam coils 13,23 is a fence type stainless steel coil pipe, has protection against corrosion, advantage that heat interchanging area is big.
The steam that the origin of heat of this oil sump temperature controlling system produces in vapour generators such as boilers; Steam realizes that through the conveying of steam-pipe 16,26,161,261 heat transmits, and realizes the raw oil in the oil sump 14,24 is heated through steam coils 13,23.This oil sump temperature controlling system is when work; The temperature of oil sump 14,24 feeds back to DCS system 11,21 in real time through TP 12,22; DCS system 11,21 can in time be controlled the aperture of pneumatic adjusting valve 15,25 according to the temperature information that feedback is come; Pass through the quantity of steam of steam coils 13,23 with control, thereby reach the purpose of the temperature (being generally 55 ℃ in the production of biodiesel) of the raw oil in the control oil sump 14,24.
Claims (4)
1. the oil sump temperature controlling system comprises oil sump, steam coils, pneumatic adjusting valve and DCS system, and it is characterized in that: said steam coils is located in the oil sump, and the steam entry and exit of steam coils are connected with steam-pipe; On steam-pipe that the steam-in of steam coils links to each other, be provided with said pneumatic adjusting valve; Said DCS system is located between said oil sump and the pneumatic adjusting valve.
2. oil sump temperature controlling system according to claim 1 is characterized in that: said oil sump temperature controlling system is provided with two oil sumps arranged side by side, and two oil sumps are furnished with corresponding steam coils, pneumatic adjusting valve and DCS system respectively; The steam-pipe of the steam outlet of one of them steam coils, the steam-pipe of locating with the steam-in of another steam coils is connected.
3. oil sump temperature controlling system according to claim 1 and 2 is characterized in that: said oil sump is provided with TP.
4. oil sump temperature controlling system according to claim 1 and 2 is characterized in that: said steam coils is a fence type stainless steel coil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103186732A CN102827701A (en) | 2012-09-02 | 2012-09-02 | System for controlling temperature of oil pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103186732A CN102827701A (en) | 2012-09-02 | 2012-09-02 | System for controlling temperature of oil pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102827701A true CN102827701A (en) | 2012-12-19 |
Family
ID=47331015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103186732A Pending CN102827701A (en) | 2012-09-02 | 2012-09-02 | System for controlling temperature of oil pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102827701A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117587A (en) * | 2007-09-12 | 2008-02-06 | 福建棱舒石油化工设备有限公司 | Mobile biodiesel production facility and its process flow |
| CN102140368A (en) * | 2011-01-28 | 2011-08-03 | 胡勇刚 | Heavy dirty oil recycling process |
| CN202115913U (en) * | 2011-05-27 | 2012-01-18 | 濮阳和美绿色饲料有限公司 | Automatic temperature control system for oil tank |
-
2012
- 2012-09-02 CN CN2012103186732A patent/CN102827701A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117587A (en) * | 2007-09-12 | 2008-02-06 | 福建棱舒石油化工设备有限公司 | Mobile biodiesel production facility and its process flow |
| CN102140368A (en) * | 2011-01-28 | 2011-08-03 | 胡勇刚 | Heavy dirty oil recycling process |
| CN202115913U (en) * | 2011-05-27 | 2012-01-18 | 濮阳和美绿色饲料有限公司 | Automatic temperature control system for oil tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121219 |