CN204151321U - Lixiviation process crude cotton seed oil refining plant - Google Patents
Lixiviation process crude cotton seed oil refining plant Download PDFInfo
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- CN204151321U CN204151321U CN201420645341.XU CN201420645341U CN204151321U CN 204151321 U CN204151321 U CN 204151321U CN 201420645341 U CN201420645341 U CN 201420645341U CN 204151321 U CN204151321 U CN 204151321U
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Abstract
Lixiviation process crude cotton seed oil refining plant, comprises the preheater, spray unit, the vacuum unit that are communicated with successively.Described spray unit by tower reactor and on spray cylinder form, arrange mesh-like filler in spray cylinder inside, spray nozzle is established in upper end, and extraction pipe is established at top.Heating coil is established in tower reactor.Between spray unit and vacuum unit, trap is set.Vacuum unit is made up of jet-pump and negative pressure pump head thereof, erosion control separating box.Preheater exports with the weary gas of the heating coil in tower reactor and is connected.Not only can remove crude oil peculiar smell, and the organic solvent in the crude cotton seed oil of lixiviation process production can be separated further.Vacuumizing effect is good, and negative pressure value is low, energy-conservation, and grease deodorization is thorough, and work efficiency is higher.
Description
Technical field
The utility model belongs to oil and fat chemical field, relates to a kind of fats and oils processing device and technique, is specially a kind of lixiviation process crude cotton seed oil refining plant.
Background technology
Cottonseed occupies the second in world's oil-bearing crops, is only second to soybean.And Oleum Gossypii semen is the 5th in world's edible oil rank at present, because the cottonseed of nearly 16% is used as feed.Cottonseed whole seed oil-containing 15%-25%, cotton benevolence oil-containing 32%-46%, containing protein about 30%, are important oil resource and plant protein resource.Oleum Gossypii semen contains the unsaturated fatty acids (linoleic plus oleic acid) of 60%-90%, has reduction cholesterol, prevents the effects such as arteriosclerosis, is a kind of important food plant oil.
But due to the nonglyceride composition such as gossypol, phosphatide, lipid acid containing more than 2% in crude cotton seed oil, affect local flavor and the Oranoleptic indicator of Oleum Gossypii semen, have to pass through come unstuck, depickling, decolouring, the technique such as deodorization reaches food sanitation standard.Refining is a step very crucial during Oleum Gossypii semen is produced, and the quality that directly impact is oily, yield and consumption, refinery practice different-effect is also different.Oil and fat refining is the combined process of a complicated multiple physics and chemistry process.This physics and chemistry process optionally can play a role to accompaniment wherein, makes the combination of itself and tri-glyceride weaken and separate from oil.
In the crude cotton seed oil technique that two step lixiviation process are produced, owing to employing organic solvent lixiviate grease, and use methanol solution removing techniques, also containing a small amount of organic solvent and methyl alcohol in formed crude cotton seed oil, also affect the quality of oil product, need to remove further in refinery practice.
Deodorization is an indispensable step in oil and fat refining process.Grease deodorization is the very big-difference utilizing stink substance and tri-glyceride volatility in grease, removes the technological process of stink substance under high temperature and high vacuum by wet distillation.Wet distillation, the principle also known as stripping deodorization be water vapour by grease " vapour-liquid " surface containing malodor components contact steam by the component of volatilization saturated and overflow by the ratio of its dividing potential drop, thus reach the object removing malodor components.Almost free fatty acids can be removed completely in deodorising process.Through the superoxide added in heat collapse grease, remove its volatile malodor composition, thus local flavor and the oxidative stability of grease can be improved.
Traditional stripping deodorization completes in refining plant usually, owing to being subject to the impact that vacuum tightness is inadequate, often needs higher temperature, larger distillation plant.Need in Oleum Gossypii semen production practice innovative design go out vacuum tightness high, remove work efficiency high, save take up an area, energy-conservation deodorization device and processing method.。
Utility model content
The utility model is for providing a kind of crude cotton seed oil produced lixiviation process to carry out the high-performance device of deodorization purifying treatment.
Lixiviation process crude cotton seed oil refining plant, comprise the preheater, spray unit, the vacuum unit that are communicated with successively, it is characterized in that: described spray unit by tower reactor and on spray cylinder form, in spray cylinder inside, mesh-like filler is set, spray nozzle is established in upper end, and extraction pipe is established at top.In tower reactor, establish heating coil, bottom sets out hydraulic fluid port; Between spray unit and vacuum unit, trap is set.Vacuum unit is made up of jet-pump and negative pressure pump head thereof, erosion control separating box.This negative pressure pump head is followed successively by negative pressure cavity from top to bottom, the pipe that narrows, trunnion, tail pipe composition; This erosion control separating box comprises the separating box of erosion control case and below thereof, and mother liquor outlet and the jet-pump of separating box are connected to form circulation.Preheater exports with the weary gas of the heating coil in tower reactor and is connected.
This refining plant not only can remove crude oil peculiar smell, and can be separated the organic solvent in the crude cotton seed oil of lixiviation process production further.This device vacuumizing effect is good, and negative pressure value is low, and not only grease deodorization is thorough, and system purification work efficiency is higher.And save and take up an area, save facility investment.Weary gas second stage employ, energy consumption reduces.The circulation of jet-pump water liquid can be arranged on the end of cottonseed protein factory Extractive crudeoil, improves crude oil quality; Also can as the deodorizing workshop section of crude cotton seed oil refining plant, and refining obtains high-quality edible oil further.
Accompanying drawing explanation
Fig. 1 is the structural representation of this lixiviation process crude cotton seed oil refining plant.
Embodiment
As Fig. 1, lixiviation process crude cotton seed oil refining plant, comprises the preheating unit, spray unit, the vacuum unit that are communicated with successively, and described preheating unit is preheater 1, this preheater 1 is respectively equipped with crude oil entrance 34, weary gas import 35, weary gas outlet 33.Described spray unit by tower reactor 19 and on spray cylinder 4 form, in tower reactor 19, establish heating coil 18, bottom sets out hydraulic fluid port 21; Arrange mesh-like filler 6 in the inside of spray cylinder 4, spray nozzle 3 is established in upper end, and extraction pipe 5 is established at top; Weary gas import 35 is connected with the outlet of the heating coil 18 in tower reactor 19, and preheater 1 top is connected with spray nozzle 3 by shower 2.Trap 8 is set between spray unit and vacuum unit.The front end of trap 8 arranges check valve 7, and establishes oil collect port 24 bottom trap 8.Described vacuum unit is made up of jet-pump 10 and negative pressure pump head thereof, erosion control separating box, and this negative pressure pump head is followed successively by negative pressure cavity 11 from top to bottom, the pipe 12 that narrows, trunnion 13, tail pipe 14 form, and the airway 9 in the middle part of trap 8 stretches into negative pressure cavity 11.Erosion control separating box comprises the separating box 36 of erosion control case 15 and below thereof.In erosion control case 15, establish dash plate 25 that casing is divided into front and back two portions, tail pipe 14 stretches into casing front portion, and rear portion establishes conduit 31 to be communicated with the front bottom end of separating box 36.Establish front dividing plate 30 and rear bulkhead 37 in separating box 36, and front dividing plate 30 is lower than rear bulkhead 37, standpipe 29 is set at rear bulkhead 37 rear and draws overflow port 28 at its upper end; Solvent outlet 27 is established on the top of separating box 36 tail end, and mother liquor outlet 32 is established in bottom.Venting hole 26 is offered respectively at the end face of erosion control case 15 and separating box 36; Mother liquor outlet 32 and jet-pump 10 are connected to form circulation.
Mesh-like filler 6 in the spray cylinder 4 of the present embodiment is three layers of ripple Stainless Steel Helices, and the end face of described tower reactor 19 establishes access opening 17 and pressure relieving valve 16, and bottom level arranges the heating pipe 20 having pore 23, is communicated with setting and looks pipe 22 outside side.
Trunnion 13 in the erect type vacuum unit of the present embodiment is the narrow symmetric design up and down in wide centre, two ends, and the reducing ratio of the reducing pipeline be made up of the pipe 12 that narrows, trunnion 13 is 150:80:46:80, and length ratio is 150:900.Coordinate jet-pump 10 can form the vacuum environment of-0.095MP.The design of trunnion 13 can ensure that gas can not form convolution or be detained negative pressure cavity 11.
The vertical two-layer design of erosion control current divider box in the present embodiment, compact construction.Erosion control case 15 good buffer effect, separating box 36 3 grades precipitation, standpipe 29 and upper end overflow port 28 thereof ensure that the liquid level in separating box 36, and the organic solvent of lightweight is collected from solvent outlet 27 outflow on top.The mother liquor that overflow port 28 flows out and the mother liquor that mother liquor outlet 32 flows out converge, and common and jet-pump 10 is connected to form circulation.
The present embodiment check valve 7 can ensure not flow backwards when unusual service condition occurring and shuts down in addition.The end face of tower reactor 19 sets access opening 17 and pressure relieving valve 16 as keeping in repair design for subsequent use, and side is looked pipe 22 and played liquid level in auxiliary observation still, and Base Heat tracheae 20 strengthening is heated and promotes that gas delivery is overflowed.
The purification process corresponding with above-mentioned crude cotton seed oil refining plant, the crude cotton seed oil obtained through lixiviation process through preheating, the separation of spray negative pressure, grease trap, exhaust, solvent collection technique, makes crude oil be purified process successively; And spray the weary gas supply preheating workshop section of workshop section in this technique, negative pressure workshop section vacuumizes jet-pump and separating box forms Recycling Mother Solution loop.
This crude cotton seed oil refining plant is applied to the end of the crude cotton seed oil technique that lixiviation process is produced, and carries out purification pre-treatment to crude oil.Washing oil is heated to more than 100 DEG C in preheater 1, enters spray unit, is further heated to about 140 DEG C in tower reactor 19, foul smell, organic gas and moisture content are separated with grease, gasification is risen, and meet with descending washing oil phase in spray cylinder 4, temperature remains on more than 110 DEG C.Washing oil is about 20 minutes in the residence time of spray unit, can not destroy nutrition of lipids composition.Trap 8 can gather in the crops part by the grease taken out of and lipid acid.Enter erosion control case 15 and separating box 36 through vacuum unit afterwards, discharge the free gass such as foul smell from venting hole 26, collect organic solvent from solvent outlet 27 and enter extracting technology formation circulation.
This crude oil refining plant vacuumizing effect is good, and negative pressure value is low, and not only grease deodorization is thorough, and system purification work efficiency is higher.Identical production-scale equipment saves occupation of land 50%, and energy consumption reduces by 30%, and deodorization process work efficiency promotes 30%.Crude cotton seed oil is greatly improved through purifying treatment quality, and can meet country " Oleum Gossypii semen " (GB1537-2003) quality standard completely, part index number can reach processed oil secondary standard.
Index contrast before and after table 1 crude cotton seed oil purifying treatment
| Before purifying treatment | After purifying treatment | |
| Smell, flavour | The intrinsic smell of Oleum Gossypii semen | Odorlessness, mouthfeel are good |
| Moisture and volatile matter content (%) | ≦0.2 | ≦0.05 |
| Solvent residual amount (mg/kg) | ≦100 | － |
Claims (5)
1. lixiviation process crude cotton seed oil refining plant, comprise the preheating unit, spray unit, the vacuum unit that are communicated with successively, it is characterized in that: described spray unit by tower reactor (19) and on spray cylinder (4) form, in the inside of spray cylinder (4), mesh-like filler (6) is set, spray nozzle (3) is established in upper end, and extraction pipe (5) is established at top; In tower reactor (19), establish heating coil (18), bottom sets out hydraulic fluid port (21); Trap (8) is set between spray unit and vacuum unit.
2. refining plant as claimed in claim 1, it is characterized in that described vacuum unit is made up of jet-pump (10) and negative pressure pump head thereof, erosion control separating box, this negative pressure pump head be followed successively by negative pressure cavity (11) from top to bottom, the pipe (12) that narrows, trunnion (13), tail pipe (14) composition; This erosion control separating box comprises the separating box (36) of erosion control case (15) and below thereof, establish dash plate (25) that casing is divided into front and back two portions in erosion control case (15), tail pipe (14) stretches into casing front portion, and rear portion establishes conduit (31) to be communicated with the front bottom end of separating box (36); Establish front dividing plate (30) and rear bulkhead (37) in separating box (36), and front dividing plate (30) is lower than rear bulkhead (37), standpipe (29) is set at rear bulkhead (37) rear and draws overflow port (28) at its upper end; Solvent outlet (27) is established on the top of separating box (36) tail end, and mother liquor outlet (32) is established in bottom; Venting hole (26) is offered respectively at the end face of erosion control case (15) and separating box (36); Mother liquor outlet (32) is connected with jet-pump (10).
3. refining plant as claimed in claim 1 or 2, it is characterized in that described preheating unit is preheater (1), this preheater (1) is respectively equipped with crude oil entrance (34), weary gas import (35), weary gas outlet (33), wherein weary gas import (35) is connected with the outlet of the heating coil (18) in tower reactor (19), and preheater (1) top is connected with spray nozzle (3) by shower (2).
4. refining plant as claimed in claim 3, is characterized in that the front end of described trap (8) arranges check valve (7), and establishes oil collect port (24) in trap (8) bottom, and middle part establishes airway (9) to stretch into negative pressure cavity (11).
5. refining plant as claimed in claim 4, it is characterized in that the mesh-like filler (6) in described spray cylinder (4) is three layers of ripple Stainless Steel Helices, the end face of described tower reactor (19) establishes access opening (17) and pressure relieving valve (16), bottom level arranges the heating pipe (20) having pore (23), is communicated with setting and looks pipe (22) outside side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420645341.XU CN204151321U (en) | 2014-10-31 | 2014-10-31 | Lixiviation process crude cotton seed oil refining plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420645341.XU CN204151321U (en) | 2014-10-31 | 2014-10-31 | Lixiviation process crude cotton seed oil refining plant |
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| Publication Number | Publication Date |
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| CN204151321U true CN204151321U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420645341.XU Withdrawn - After Issue CN204151321U (en) | 2014-10-31 | 2014-10-31 | Lixiviation process crude cotton seed oil refining plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104327946A (en) * | 2014-10-31 | 2015-02-04 | 新疆正企生物科技有限公司 | Purification device and process for crude cotton seed oil produced by leaching process |
-
2014
- 2014-10-31 CN CN201420645341.XU patent/CN204151321U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104327946A (en) * | 2014-10-31 | 2015-02-04 | 新疆正企生物科技有限公司 | Purification device and process for crude cotton seed oil produced by leaching process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150211 Effective date of abandoning: 20170829 |
|
| AV01 | Patent right actively abandoned |