CN202786191U - Nigre desolventizer - Google Patents
Nigre desolventizer Download PDFInfo
- Publication number
- CN202786191U CN202786191U CN2012204649968U CN201220464996U CN202786191U CN 202786191 U CN202786191 U CN 202786191U CN 2012204649968 U CN2012204649968 U CN 2012204649968U CN 201220464996 U CN201220464996 U CN 201220464996U CN 202786191 U CN202786191 U CN 202786191U
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- CN
- China
- Prior art keywords
- tank body
- cavity
- heating plate
- desolventizing
- heating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
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Abstract
The utility model discloses a nigre desolventizer, which comprises a tank body, wherein a stirring shaft is arranged in the center of the tank body, heating trays are arranged in the tank body, the stirring shaft passes through the heating trays, and stirring fins are connected to the stirring shaft positioned above the heating trays; a feeding cavity is formed in a tank body cavity above the topmost heating tray, a desolventizing cavity is formed in a tank body cavity below the bottommost heating tray, an intermediate cavity is formed in a cavity between two layers of heating trays, and the intermediate cavity and the desolventizing cavity are respectively communicated with the feeding cavity through a steam guide pipe; a heat exchanging assembly is arranged in the desolventizing cavity, the tank body at the bottom of the desolventizing cavity is provided with a direct steam inlet, and the bottommost end of the tank body is provided with a discharging hole; and the top of the tank body is provided with a feeding hole, a steam outlet and a driving device. According to the nigre desolventizer, the heating trays are used for preheating, and dual heating by direct steam and indirect steam are carried out from the bottom of the tank body to ensure that the temperature of nigre quickly reaches the desolventizing temperature. After the nigre desolventizer is used, the solvent content in the nigre is reduced to 100ppm, and therefore, the desolventizing efficiency and effect are greatly improved.
Description
Technical field
The utility model relates to grease processing technology field, especially a kind of soap stock desolventizing equipment for miscella refining.
Background technology
In grease processing technology field, the miscella refining technology refers to the refining process that carries out under the mixing oil state in leaching the workshop.In the miscella refining process, can produce a kind of by product---soap stock, soap stock need to leach the workshop in oily factory and carry out carrying out precipitation treatment.
That the method for solvent in the soap stock of generally removing is the boiling point that utilizes solvent is lower than the boiling point of soap stock, hold volatile characteristics, adopts principle desolvation from soap stock of evaporation or distillation.In the technical development process, in this respect explored two schemes.
A kind of is the aqueous solution that the soap stock behind the miscella refining is injected alcohol and acetone, uses this solvent of mineral acid treatment, and the solution that floats lipid acid is removed, and separates in the solvent evaporation device.The solvent loss root is few in this case, but this method must be used alcohol and acetone, and reclaims them, if contain sulfuric acid in the solvent, will increase the loss of solvent.
Another kind is that soap stock is sent into desolventizing in the dregs of rice vaporizer, but this has wasted soap stock.
At present, domestic have producer to adopt the cylindricality distiller to remove solvent in the soap stock, is with pump soap stock to be sucked and presses through preheater, and the top that then is injected into distiller is sprayed by atomizer.In distiller and atomizer, superheated vapour is by the solvent in the heating and separating soap stock.But adopt distillation column, spray method, residual solvent is that residual concentration is higher between the 0.01%--0.20% in the soap stock after the distillation.
The utility model content
The soap stock desolventizing device that provides a kind of dissolvent residual concentration lower is provided the purpose of this utility model.
For achieving the above object, soap stock desolventizing device of the present utility model comprises the tank body of vertical setting, and the tank body center vertically is provided with stir shaft, and level is provided with at least one deck heating plate in the tank body, described stir shaft passes described heating plate, is connected with stirring wing on the stir shaft at place, each layer heating plate top; Tank body cavity on the superiors' heating plate forms feed cavity, and the tank body cavity under the orlop heating plate forms the precipitation chamber, and the cavity between each layer heating plate forms intermediate cavity, and described intermediate cavity and precipitation chamber all are connected with feed cavity by airway; Described heating plate comprises the support heat transfer plate, supports the coiling of heat transfer plate lower surface and is provided with preheating tube, and preheating tube one end is provided with the indirect gas import of the heating plate that stretches out tank body, and the other end of preheating tube is provided with the indirect gas outlet of the heating plate that stretches out tank body; The support heat transfer plate that indirect gas exports a side is provided with feed opening, and the feed opening place is provided with the blanking valve; Described precipitation is provided with heat-exchanging component in the chamber, and the upper end of heat-exchanging component is provided with the indirect gas import of stretching out tank body, and the lower end of heat-exchanging component is provided with the indirect gas outlet of stretching out tank body; The tank body of bottom, described precipitation chamber is provided with direct gas inlet mouth, and the tank body lowermost end is provided with discharge port; Described tank body top is provided with opening for feed, air outlet and is used for driving the drive unit of described stir shaft.
Described heating plate is provided with two-layer, is respectively upper strata heating plate and lower floor's heating plate.
Described drive unit comprises the motor that is arranged on the tank body top and the step-down gear that is connected with motor, and step-down gear is connected with described stir shaft.
For improving the effect of desolvation, the utility model adopts different device structure forms in the past, utilizes heating plate to preheat, carries out dual-heated from tank base with direct vapour heating and indirect vapour, so that the temperature of soap stock reaches the temperature of middle solvent removal very soon.After using this equipment, the solvent in the soap stock drops to 100ppm, has greatly improved removal efficiency and the effect of solvent.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, soap stock desolventizing device of the present utility model comprises the tank body 1 of vertical setting, and tank body 1 center vertically is provided with stir shaft 6, and tank body 1 interior level is provided with two-layer heating plate, is respectively upper strata heating plate and lower floor's heating plate.
Described upper strata heating plate is identical with the structure of lower floor's heating plate, include and support heat transfer plate 8, support the coiling of heat transfer plate 8 lower surfaces and be provided with preheating tube 10, preheating tube 10 1 ends are provided with the indirect gas import 12 of the heating plate that stretches out tank body 1, and the other end of preheating tube 10 is provided with the indirect gas outlet 13 of the heating plate that stretches out tank body 1.The support heat transfer plate 8 that the indirect gas of heating plate exports 13 1 sides is provided with feed opening 9, and feed opening 9 places are provided with blanking valve 14.
Described stir shaft 6 passes described upper strata heating plate and lower floor's heating plate, is connected with stirring wing 7 on the stir shaft 6 at place, each layer heating plate top; Tank body cavity on the heating plate of upper strata forms feed cavity 11, tank body cavity under lower floor's heating plate forms precipitation chamber 17, cavity between the upper and lower layer heating plate forms intermediate cavity 16, and described intermediate cavity 16 and precipitation chamber 17 all are connected with feed cavity 11 by airway 21.
Be provided with heat-exchanging component 18(heat-exchanging component 18 in the described precipitation chamber 17 and can adopt coil pipe or coil pipe with various heat exchange structures such as fins), the upper end of heat-exchanging component 18 is provided with the indirect gas import 19 of the heat-exchanging component that stretches out tank body 1, and the lower end of heat-exchanging component 18 is provided with the indirect gas outlet 20 of the heat-exchanging component that stretches out tank body 1.
The tank body 1 of 17 bottoms, described precipitation chamber is provided with direct gas import 4, and tank body 1 lowermost end is provided with discharge port 5.
Described tank body 1 top is provided with opening for feed 2, air outlet 3 and is used for driving the drive unit of described stir shaft 6.
Described drive unit comprises the motor 22 that is arranged on tank body 1 top and the step-down gear 23 that is connected with motor 22, and step-down gear 23 is connected with described stir shaft 6.
During work, start drive unit, make stir shaft 6 drive each stirring wing 7 rotation.Gas enters the preheating tube 10 of each heating plate by the indirect gas import 12 of each heating plate indirectly, and is finally flowed out by the indirect gas outlet 13 of each heating plate; Gas flows into heat-exchanging component 18 by the indirect gas import 19 of heat-exchanging component indirectly, and is finally flowed out by the indirect gas outlet 20 of heat-exchanging component.Meanwhile, directly gas flows into precipitation chamber 17 by direct gas import 4, and with the solvent gas that is evaporated, the gas that flows into the 16 interior generations of feed cavity 11(intermediate cavity through airway 21 also flows into feed cavity 11 by airway 21), and finally discharged by air outlet 3.
Soap stock is entered in the feed cavity 11 by opening for feed 2, under the stirring of stirring wing 7, the upper strata heating plate carries out even preheating to soap stock, when the liquid level of soap stock reaches setting height, the blanking valve 14 at heating plate feed opening 9 places, upper strata is opened, soap stock enters in the intermediate cavity 16, and lower floor's heating plate further heats soap stock.When the liquid level of soap stock on lower floor's heating plate reached setting height, the blanking valve 14 at feed opening 9 places of lower floor's heating plate was opened, and soap stock enters into precipitation chamber 17.In precipitation chamber 17, heat-exchanging component 18 and soap stock is carried out dual-heated from the direct gas steam that direct vapour inlet mouth enters is evaporated the solvent of soap stock the inside from soap stock.Solvent gas and direct gas steam are discharged by air outlet 3 through airway 21, and the soap stock behind the desolvation is discharged by soap stock discharge port 5.The utility model utilizes heating plate to preheat, carries out dual-heated from tank base with direct vapour heating and indirect vapour, so that the temperature of soap stock reaches the temperature of middle solvent removal very soon.After using this equipment, the solvent in the soap stock drops to 100ppm, has greatly improved removal efficiency and the effect of solvent.
Claims (3)
1. soap stock desolventizing device, comprise the tank body of vertical setting, it is characterized in that: the tank body center vertically is provided with stir shaft, and level is provided with at least one deck heating plate in the tank body, described stir shaft passes described heating plate, is connected with stirring wing on the stir shaft at place, each layer heating plate top; Tank body cavity on the superiors' heating plate forms feed cavity, and the tank body cavity under the orlop heating plate forms the precipitation chamber, and the cavity between each layer heating plate forms intermediate cavity, and described intermediate cavity and precipitation chamber all are connected with feed cavity by airway;
Described heating plate comprises the support heat transfer plate, supports the coiling of heat transfer plate lower surface and is provided with preheating tube, and preheating tube one end is provided with the indirect gas import of the heating plate that stretches out tank body, and the other end of preheating tube is provided with the indirect gas outlet of the heating plate that stretches out tank body; The support heat transfer plate that indirect gas exports a side is provided with feed opening, and the feed opening place is provided with the blanking valve;
Described precipitation is provided with heat-exchanging component in the chamber, and the upper end of heat-exchanging component is provided with the indirect gas import of stretching out tank body, and the lower end of heat-exchanging component is provided with the indirect gas outlet of stretching out tank body;
The tank body of bottom, described precipitation chamber is provided with direct gas inlet mouth, and the tank body lowermost end is provided with discharge port;
Described tank body top is provided with opening for feed, air outlet and is used for driving the drive unit of described stir shaft.
2. soap stock desolventizing device according to claim 1, it is characterized in that: described heating plate is provided with two-layer, is respectively upper strata heating plate and lower floor's heating plate.
3. soap stock desolventizing device according to claim 1 and 2, it is characterized in that: described drive unit comprises the motor that is arranged on the tank body top and the step-down gear that is connected with motor, step-down gear is connected with described stir shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204649968U CN202786191U (en) | 2012-09-13 | 2012-09-13 | Nigre desolventizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204649968U CN202786191U (en) | 2012-09-13 | 2012-09-13 | Nigre desolventizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202786191U true CN202786191U (en) | 2013-03-13 |
Family
ID=47813496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204649968U Expired - Fee Related CN202786191U (en) | 2012-09-13 | 2012-09-13 | Nigre desolventizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202786191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152272A (en) * | 2014-07-23 | 2014-11-19 | 青岛和合汇途工程技术有限公司 | Two-stage efficient soapstock desolventizing system for mixed oil refinement |
-
2012
- 2012-09-13 CN CN2012204649968U patent/CN202786191U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152272A (en) * | 2014-07-23 | 2014-11-19 | 青岛和合汇途工程技术有限公司 | Two-stage efficient soapstock desolventizing system for mixed oil refinement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140913 |
|
| EXPY | Termination of patent right or utility model |