CN208454896U - A kind of fraction oil deacidification system - Google Patents
A kind of fraction oil deacidification system Download PDFInfo
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- CN208454896U CN208454896U CN201821040344.5U CN201821040344U CN208454896U CN 208454896 U CN208454896 U CN 208454896U CN 201821040344 U CN201821040344 U CN 201821040344U CN 208454896 U CN208454896 U CN 208454896U
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Abstract
A kind of fraction oil deacidification system, including sequentially connected neutralization reaction unit, stand phase splitting unit, oil strain unit and oil recovery storage element, wherein the neutralization reaction unit is provided with fraction oil-in, water filling port, weak caustic solution entrance and inorganic salt solution entrance, and bottom is mutually connected with water phase discharge pipe with neutral distillate discharge pipe and cream respectively；Vertical oil separating plate is provided in the standing phase splitting unit, in the side of the oil separating plate, the top for standing phase splitting unit is mutually connected with water phase discharge pipe with the cream of the neutralization reaction unit, bottom is provided with water phase outlet, in the other side of oil separating plate, the bottom for standing phase splitting unit is provided with newborn mutually outlet；Mutually outlet is connected the oil strain unit with the cream, and the oil strain unit is internally provided with oil strain material, and bottom is provided with discharge outlet, and top is connected with oil recovery storage element.The utility model is neutralized using weak base, and waste water is easy to handle, is settled without high voltage electric field, low energy consumption.
Description
Technical field
The utility model belongs to chemical technology field, and in particular to a kind of fraction oil deacidification system.
Background technique
Distillate caustic washing electric refining deacidifying process is the important means of acid-containing raw oil processing.Since the 1930s,
It is at home and abroad widely used.In existing caustic washing electric refining deacidifying process, alkali is excessive, petroleum acid sodium,
Alkali, high temperature and under the conditions of being stirred, reaction with same mole, the petroleum acids of generation occur for the petroleum acids in sodium hydroxide and distillate
Sodium is a kind of anionic surfactant, has emulsification and solubilization to distillate, it is serious to cause oil-water emulsion.This is just needed
Fraction oil deacidification agent is added.Fraction oil deacidification agent be made of sodium hydroxide, demulsifier, extractant, de-oiling agent equal solvent one
The multi-functional complexing agent of kind.Wherein demulsifier plays demulsification, eliminates emulsification, and finish is accelerated mutually to separate；Extractant extracts petroleum acids
Sodium；De-oiling agent deviates from the neutral oil in alkaline residue, improves oil yield.Deacidification agent, which has, to react with petroleum acids, is demulsified, extracting stone
Enuatrol and de-oiling function.Existing distillate caustic washing electric refining deacidifying process has the following problems: 1. are added highly basic hydroxide
Sodium, alkali charge is big, and waste liquor contamination environment is not easy to administer；2. grease easily emulsifies, demulsifier consumption is big, it is difficult to recycle, product yield
It is low；3. using high voltage electric field sedimentation separation, energy consumption is high.
In the past 20 years, people are studying always efficient, clean acid stripping method, but these methods exist to some extent
Invest the problems such as larger, operating cost is high and incomplete.
Utility model content
In order to solve the problems in the existing technology, it the utility model proposes a kind of fraction oil deacidification system, is used for
Efficient, clean depickling processing is carried out to distillate.
In order to achieve the above object, the utility model proposes a kind of fraction oil deacidification system, including it is sequentially connected in
With reaction member, stand phase splitting unit, oil strain unit and oil recovery storage element,
Wherein the neutralization reaction unit is provided with fraction oil-in, water filling port, weak caustic solution entrance and inorganic salt solution
Entrance, bottom are mutually connected with water phase discharge pipe with neutral distillate discharge pipe and cream respectively；
It is provided with vertical oil separating plate in the standing phase splitting unit, the standing phase splitting unit is divided into two parts,
The side of the oil separating plate, the cream phase and water phase discharge pipe phase at the top for standing phase splitting unit and the neutralization reaction unit
Even, bottom is provided with water phase outlet, and in the other side of oil separating plate, the bottom for standing phase splitting unit is provided with newborn phase and exports；
Mutually outlet is connected the oil strain unit with the cream, and the oil strain unit is internally provided with oil strain material, bottom
It is provided with discharge outlet, top is connected with oil recovery storage element.
Preferably, the neutralization reaction unit and the top setting nitrogen for standing phase splitting unit seal.
Preferably, it is provided with float interfacial meter in the standing phase splitting unit, for controlling the boundary position of newborn phase and water phase not
More than the height of the oil separating plate.
Preferably, mutually by cream, mutually pump is connected the cream for standing phase splitting unit with the oil strain unit for outlet.
Preferably, 0.2~3.0Mpa of outlet pressure that the cream mutually pumps.
Preferably, the oil strain material is non-woven fabrics filter core.
Preferably, the discharge outlet of the water phase outlet and the oil strain unit for standing phase splitting unit is respectively arranged with draining
Pump.
Preferably, the top setting glass interfacial meter and draining valve of the oil strain unit, when oil level reaches glass circle
When the predetermined position of position meter, opens the draining valve and carry out oil extraction.
Preferably, the oil recovery storage element and the neutralization reaction unit and/or the neutral distillate discharge pipe
It is connected.
Preferably, oil recovery storage element bottom is provided with recovery pump.
Compared with prior art, the technical solution of the utility model has the advantages that
1. the fraction oil deacidification system of the utility model is neutralized using weak base, waste water is easy to handle；
2. cream accompanies after water phase inflow after simple inorganic salt solution demulsification is added in the fraction oil deacidification system of the utility model
Continuous workshop section is handled, and oil mutually recycles, and product yield is high；
3. the fraction oil deacidification system of the utility model is settled without high voltage electric field, low energy consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment intermediate distillates deacidification system.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is described in further detail.
As shown in Figure 1, in one embodiment, raw material initially enters neutralization reactor R-1, reactor head, which is respectively equipped with, to be evaporated
Divide oil, water, inorganic salts demulsifier, solution of potassium carbonate pipeline.Reactor head setting nitrogen seals and Staged cotrol (is arranged on nitrogen line
Front and back twice valve, respectively pressure-supplementing valve and blow valve, connect to form Staged cotrol with distance-transmission pressure gauge: when pressure is lower than setting value
When pressure-supplementing valve open the pressurising into tank, blow valve is closed；When pressure is higher than setting value, blow valve opening releases pressure inside the tank
Put, pressure-supplementing valve is closed), keep 0.25~0.35MPa of reactor internal pressure.
Distillate and suitable solution of potassium carbonate, inorganic salt solution are first sufficiently stirred 2-3 hours, after complete reaction,
Stratification 0.5-1 hours, standing phase separation tank is mutually discarded to by outlet at bottom pipe with water phase by newborn, then water filling carries out water
It washes, removes extra lye, appropriate inorganic salt solution is equally added in when washing.
After washing, stratification 0.5-1 hours, it mutually is discarded to standing phase separation tank with water phase by newborn, then by neutral fraction
Oil discharge neutralization reactor R-1.
Setting oil separating plate and float interfacial meter in phase separation tank V-1 are stood, cream is controlled mutually and the boundary of water phase position is not higher than it
The height of oil separating plate, more than oil separating plate height newborn phase overflow to the other side of oil separating plate.Setting nitrogen seals and divides at the top of phase separation tank
Process control (Staged cotrol method is identical as neutralization reactor) keeps 0.2~0.3MPa of internal pressure.
(when every current process neutralization reactor not feeding, i.e., it is believed that starting to stand) after standing 1 hour, water phase is passed through
Water phase pump P-1 is sent to water treatment unit；Aqueous emulsion is sent by newborn mutually pump P-2 to oil filter V-2.
Aqueous emulsion is sent by newborn mutually pump P-2 into oil filter V-2, and the newborn mutually pump P-2 outlet pressure 0.2 of control~
3.0Mpa。
Glass interfacial meter is arranged in setting non-woven fabrics filter core or other similar oil strain materials inside oil filter, top.Hydrone
It can be accumulated by filter core in container bottom；Oil molecule can not be agglomerated into larger oil droplet on its surface by filter core, rise to container
Top.
Oil level is periodically observed by glass interfacial meter, when oil level reaches interfacial meter middle part, opens top draining valve, it will be oily
Drain into oil recovery surge tank V-3.
Oil recovery buffers tank deck setting pressure gauge and drop out line, and keeping overpressure constant is normal pressure.
After establishing liquid level in oil surge tank V-3 to be recycled, starts recovery pump P-4, send oil recovery back to neutralization reactor R-1
It is interior, complete the recycling of light fraction oil；Also visual operating condition directly will be in oil recovery carrying device, with neutralization reactor R-1 discharge
Property distillate mixing.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of fraction oil deacidification system, which is characterized in that including sequentially connected neutralization reaction unit, stand phase splitting unit,
Oil strain unit and oil recovery storage element,
Wherein the neutralization reaction unit is provided with fraction oil-in, water filling port, weak caustic solution entrance and inorganic salt solution entrance,
Bottom is mutually connected with water phase discharge pipe with neutral distillate discharge pipe and cream respectively；
It is provided with vertical oil separating plate in the standing phase splitting unit, the standing phase splitting unit is divided into two parts, described
The side of oil separating plate, the top for standing phase splitting unit are mutually connected with water phase discharge pipe with the cream of the neutralization reaction unit,
Bottom is provided with water phase outlet, and in the other side of oil separating plate, the bottom for standing phase splitting unit is provided with newborn mutually outlet；
Mutually outlet is connected the oil strain unit with the cream, and the oil strain unit is internally provided with oil strain material, bottom setting
There is discharge outlet, top is connected with oil recovery storage element.
2. fraction oil deacidification system according to claim 1, wherein the neutralization reaction unit and the standing split-phase list
The top setting nitrogen of member seals.
3. fraction oil deacidification system according to claim 1, wherein be provided with float circle position in the standing phase splitting unit
Meter, for controlling the newborn height for being mutually no more than the oil separating plate with the boundary of water phase position.
4. fraction oil deacidification system according to claim 1, wherein the cream for standing phase splitting unit mutually passes through cream in outlet
Mutually pump is connected with the oil strain unit.
5. fraction oil deacidification system according to claim 4, wherein 0.2~3.0Mpa of outlet pressure that the cream mutually pumps.
6. fraction oil deacidification system according to claim 1, wherein the oil strain material is non-woven fabrics filter core.
7. fraction oil deacidification system according to claim 1, wherein it is described stand phase splitting unit water phase outlet and it is described
The discharge outlet of oil strain unit is respectively arranged with draining pump.
8. fraction oil deacidification system according to claim 1, wherein glass interfacial meter is arranged in the top of the oil strain unit
And draining valve opens the draining valve and carries out oil extraction when oil level reaches the predetermined position of the glass interfacial meter.
9. fraction oil deacidification system according to claim 1, wherein the oil recovery storage element and the neutralization reaction
Unit and/or the neutral distillate discharge pipe are connected.
10. fraction oil deacidification system according to claim 1, wherein oil recovery storage element bottom is provided with back
Receive pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821040344.5U CN208454896U (en) | 2018-06-29 | 2018-06-29 | A kind of fraction oil deacidification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821040344.5U CN208454896U (en) | 2018-06-29 | 2018-06-29 | A kind of fraction oil deacidification system |
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| CN208454896U true CN208454896U (en) | 2019-02-01 |
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ID=65172020
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| CN201821040344.5U Active CN208454896U (en) | 2018-06-29 | 2018-06-29 | A kind of fraction oil deacidification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655951A (en) * | 2018-06-29 | 2020-01-07 | 内蒙古伊泰煤基新材料研究院有限公司 | Distillate oil deacidification method and system |
-
2018
- 2018-06-29 CN CN201821040344.5U patent/CN208454896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655951A (en) * | 2018-06-29 | 2020-01-07 | 内蒙古伊泰煤基新材料研究院有限公司 | Distillate oil deacidification method and system |
| CN110655951B (en) * | 2018-06-29 | 2023-09-26 | 内蒙古伊泰煤基新材料研究院有限公司 | Method and system for deacidifying distillate oil |
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