CN209759412U - continuous crude oil degumming reaction device - Google Patents
continuous crude oil degumming reaction device Download PDFInfo
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- CN209759412U CN209759412U CN201822103988.0U CN201822103988U CN209759412U CN 209759412 U CN209759412 U CN 209759412U CN 201822103988 U CN201822103988 U CN 201822103988U CN 209759412 U CN209759412 U CN 209759412U
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- degumming
- crude oil
- degumming reaction
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- stirring
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Abstract
The utility model discloses a continuous type crude oil reaction unit that comes unstuck is applied to the concise technical field of grease. Comprises a mixer, a degumming reaction kettle and a separation device. The external heat tracing pipe that is equipped with of cauldron of reation kettle comes unstuck, and the top of the cauldron body is equipped with agitating unit, and agitating unit includes the motor on upper portion and downwards wears into the internal shaft coupling and the (mixing) shaft of cauldron perpendicularly, is located the cauldron is internal the (mixing) shaft top-down is equipped with the stirring rake of a plurality of differences. The grease and degumming agent are subjected to gradual dispersion of the mixer and the dispersion stirring slurry and full mixing of the splayed stirring slurry, so that the problems of low reaction efficiency, poor colloid removal and the like caused by uneven material dispersion and mixing, poor circulation effect, difficult flocculation of colloidal particles into micelles and the like are thoroughly solved, the degumming efficiency is improved, the energy consumption is saved, and the production cost of enterprises is reduced.
Description
Technical Field
the utility model belongs to grease refining device field, concretely relates to continuous type crude oil reaction unit that comes unstuck.
background
in recent years, with the development and utilization of fossil energy such as coal, oil and natural gas in large quantities, social and ecological problems such as resource exhaustion and environmental pollution are brought about while social civilization progress and economic prosperity are promoted. Therefore, alternative energy sources such as solar energy, wind energy, biofuel, hydrogen energy and the like are actively sought in all countries in the world to relieve the problem of petroleum tension. The biofuel has the characteristics of abundant reserves, renewability, cleanness, environmental protection and greenhouse gas emission reduction, meets the future social energy demand and conforms to the concepts of sustainable scientific development and circular economy, so the development and the use of the biofuel become important components of the energy strategy of developed countries in the world at present.
However, in the production process of liquid biofuels (biodiesel and aviation biofuel), raw materials account for more than 60% of the total cost, so how to obtain oil resources which are available in large scale, cheap and can be used as energy resources is the key for industrialization. According to the development principle that the biomass energy does not compete with grains and land with grains in China, resources of inedible grease such as jatropha curcas, castor oil, aleurites montana and the like also become important raw materials for preparing liquid biofuels and other chemical products.
The grease squeezed or impregnated from oil seeds is called crude oil, the main components of the grease are free fatty acid and triglyceride, in addition, peptizing impurities (phospholipid, saccharide, protein and the like), fat-soluble impurities (pigment, sterol and the like) and toxic components (aflatoxin, polycyclic aromatic hydrocarbon and the like) exist, and the components not only influence the safe storage and edible value of the grease, but also seriously influence the equipment, catalyst and product quality in the production process of the biofuel. Therefore, the crude oil is subjected to refining treatment to various degrees, and unwanted and harmful impurities are removed therefrom.
Hydration degumming, acid degumming and enzymatic degumming are the most widely applied oil degumming methods in the current industrial production. The process is that water, acid or enzyme are mixed with grease, and the trace impurities such as phospholipid, pigment, heavy metal, protein, aflatoxin and the like in the grease are removed under the conditions that the temperature is 50-80 ℃ and the time is 30-120 min, so that the trace impurities in the grease are removed to the maximum extent under the lowest loss.
at present, when oil enterprises degum by using an intermittent process or a continuous process, a centrifugal mixing pump or a mixer is adopted to quickly premix the degelling agent and the oil, and then the degelling agent and the oil enter a degumming reactor and are stirred by using a plurality of layers of straight-blade pulp to carry out degumming reaction. But the degumming agent has the problems of uneven dispersion or larger formed liquid drops and the like in the premixing process, so that the degumming reaction is insufficient and the efficiency is reduced; meanwhile, with the large-scale degumming reactor, when the straight-leaf pulp is adopted for stirring and mixing, a local 'dead zone' is easily formed at the inner wall accessory of the reactor, and the phenomenon of material retention is caused, so that phospholipid colloidal particles can not be gradually combined and grow to flocculate into large micelles, and the separation effect is poor, and the removal rate of colloid is reduced.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a continuous type crude oil reaction unit that comes unstuck, the device utilize blender and multistage mixing stirring leaf to disperse the material step by step, fully mix in the reactor, thoroughly solve the reaction efficiency that the material dispersion mixes inequality, the circulation effect is poor and the micelle is difficult for wadding into micelle etc. to cause low, the poor scheduling problem of colloid desorption to efficiency, the energy consumption of having practiced thrift, the manufacturing cost of enterprise has been reduced to come unstuck has been improved.
In order to achieve the above object, the present invention provides a continuous crude oil degumming reaction device, comprising:
The degumming reaction kettle is provided with a material inlet at the bottom and a material outlet at the upper part;
the stirring device is arranged at the top of the degumming reaction kettle and extends into the degumming reaction kettle;
The heat tracing pipe is spirally wound on the outer wall of the degumming reaction kettle, a heating medium is introduced into the heat tracing pipe, and a heating medium outlet and a heating medium inlet are formed in the heat tracing pipe;
the mixer is connected with the material outlet;
A degumming agent pipe for injecting degumming agent, which is connected with the mixer;
and the crude oil pipe is connected with the mixer, and the degumming agent and the crude oil form micro liquid drops to be dispersed in the crude oil under the action of the mixer.
In one embodiment, a separating device for separating materials is further provided and is connected with the material outlet.
In one embodiment, the separation device is a butterfly centrifuge having a refined oil outlet and a gum outlet, and the refined oil is discharged from the refined oil outlet after the material is processed by high-speed centrifugation in the butterfly centrifuge, and the gum is discharged from the gum outlet.
In one embodiment, the stirring device further comprises: the motor, the shaft coupling, the (mixing) shaft that are located on reation kettle upper portion come unstuck that connect gradually, the shaft coupling stretches into with the (mixing) shaft is perpendicular downwards in the reation kettle that comes unstuck, the (mixing) shaft top-down is equipped with a plurality of different stirring rakes.
In one embodiment, the stirring paddles are a multi-layer mixing structure, wherein the upper portion is a splayed stirring paddle, and the lower portion is a dispersing stirring paddle.
in one embodiment, the stirring paddle is a three-layer mixing structure, wherein the upper two layers are the splayed stirring paddle, and the lower layer is the dispersing stirring paddle.
In one embodiment, the inlet of the heat tracing pipe is connected with a circulating pump, and the outlet of the heat tracing pipe is connected with a storage tank.
In an embodiment, the degumming reaction kettle is provided with a thermometer interface, and the thermometer interface is arranged at the lower part of the degumming reaction kettle.
In one embodiment, the mixer is a static mixer.
In one embodiment, the refined oil outlet is connected to a finished product storage tank.
Compared with the prior degumming device, the continuous crude oil degumming reaction device has the following effects.
1. the degumming agent forms tiny droplets by using a static mixer and a dispersing stirring paddle, and the tiny droplets are uniformly dispersed into the oil phase, so that the reaction of the degumming agent and phospholipid is promoted, and the degumming reaction is more complete.
2. the stirring paddles in different forms on the stirring device are utilized to enable the materials to generate lateral flow, radial flow and axial flow, so that the problems of local material retention, insufficient reaction and poor colloidal particle flocculation effect are solved, and the colloid removal rate is improved.
3. The degumming reaction time is ensured through the material flow mode of 'bottom-in and top-out', the problem of material back mixing is solved, and the degumming efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a continuous crude oil degumming reaction apparatus.
FIG. 2 is a schematic view of a structure of a dispersion stirring paddle.
wherein the reference numerals are:
1-degumming reaction kettle;
2-heating medium outlet;
3-splayed stirring paddle;
4-stirring shaft;
5-thermometer interface;
6-material inlet;
7-degumming agent pipe;
8-a capillary tube;
9-a mixer;
10-a separation device;
11-a gum outlet;
12-outlet of refined oil;
13-dispersing stirring paddle;
14-heating medium inlet;
15-material outlet;
16-a coupling;
17-motor.
Detailed Description
The detailed description and technical contents of the present invention are described below with reference to the drawings:
See fig. 1. The continuous crude oil degumming reaction device comprises a degumming reaction kettle 1, a stirring device, a heat tracing pipe, a mixer 9, a degumming agent pipe 7 for injecting degumming agent, a crude oil pipe 8 for injecting crude oil and the like.
the bottom of the degumming reaction kettle is provided with a material inlet 6, and the upper part is provided with a material outlet 15; the stirring device is arranged at the top of the degumming reaction kettle 1 and extends into the degumming reaction kettle; the heat tracing pipe is spirally wound on the outer wall of the degumming reaction kettle 1, a heating medium is introduced into the heat tracing pipe, and a heating medium outlet 2 and a heating medium inlet 14 are arranged on the heat tracing pipe; a mixer 9 connected to the material outlet 15; a degumming agent pipe 7 for injecting degumming agent and a crude oil pipe 8 for injecting crude oil are both connected with a mixer 9; wherein, under the action of the mixer, the degumming agent and the crude oil form tiny liquid drops to be dispersed in the crude oil.
The stirring device comprises a motor 17 at the upper part, a coupler 16 and a stirring shaft 4 which vertically penetrate into the degumming reaction kettle 1 downwards, and the stirring shaft 4 in the degumming reaction kettle 1 is provided with a plurality of different stirring paddles from top to bottom. In this embodiment, the stirring paddle has a three-layer mixing structure, in which the upper two layers are splayed stirring paddles 3, and the lower layer is a dispersing stirring paddle 13, so that the side flow, radial flow and axial flow of the materials can meet the dispersing requirement and mixing requirement of the oil degumming reaction. Referring to fig. 2, fig. 2 is a schematic view of a structure of the dispersing stirring paddle. The stirring blades of the dispersing and stirring paddle 13 are dumbbell-shaped, two ends of the dispersing and stirring paddle are respectively provided with a hollow round ball, and the two hollow round balls are connected with the stirring shaft through a cross arm and a shaft sleeve. The figure of the splayed stirring paddle 3 is 8-shaped. The dispersing and stirring paddle 13 further mixes the materials after the rapid premixing, so that the degumming agent is uniformly dispersed in the oil phase, the reaction of the degumming agent and the phospholipid is promoted, and the degumming reaction is more complete. The two splayed stirring paddles 3 enable the materials to generate lateral flow, radial flow and axial flow, solve the problems of local material detention, insufficient reaction and poor colloidal particle flocculation effect, and improve the colloid removal rate.
the mixer 9 is a static mixer, and the static mixer is connected with the degumming agent pipe 7 and the crude oil pipe 8, so that the degumming agent can be formed into tiny droplets which are dispersed into a crude oil phase, and the quick premixing of the raw materials is realized. The heat tracing pipe outside the degumming reaction kettle 1 of the degumming reaction kettle 1 ensures that the degumming reaction temperature is adjustable and controllable; the material outlet 15 is connected via a line to the separating apparatus 10 for material separation. The separation device 10 is a butterfly centrifuge, which has a refined oil outlet 12 and a colloid outlet 11, the refined oil is discharged from the refined oil outlet 12 after the material is processed by the high-speed centrifugation of the butterfly centrifuge, and the colloid is discharged from the colloid outlet 11. The material is centrifuged at high speed, the colloid is discharged from a colloid outlet 11, and the product enters a finished product storage tank from a refined oil outlet 12. The degumming reaction kettle is provided with a thermometer interface 5, and the thermometer interface 5 is arranged at the lower part of the degumming reaction kettle 1.
Briefly describing the working process of the continuous crude oil degumming device: preheating and starting the continuous oil degumming reactor, starting the crude oil metering pump and the degumming agent metering pump, continuously adding materials according to a proportion, and quickly dispersing the degumming agent into a crude oil phase by using a static mixer to realize quick premixing of raw materials. The premixed materials enter the degumming reactor from the bottom, and the degumming agent is uniformly dispersed into the oil phase under the combined action of the dispersing stirring blades and the splayed stirring paddle, so that the degumming reaction is more complete, and the problems of local material detention, insufficient reaction and poor colloidal particle flocculation effect are solved. Separating the reacted material by a disc centrifuge, removing colloid, and feeding the obtained degummed oil product into a storage tank.
Claims (10)
1. a continuous crude oil degumming reaction device is characterized by comprising:
The degumming reaction kettle (1) is provided with a material inlet at the bottom and a material outlet at the upper part, wherein the material inlet is arranged at the bottom of the degumming reaction kettle (1);
The stirring device is arranged at the top of the degumming reaction kettle (1) and extends into the degumming reaction kettle (1);
The heat tracing pipe is spirally wound on the outer wall of the degumming reaction kettle (1), a heating medium is introduced into the heat tracing pipe, and a heating medium outlet (2) and a heating medium inlet (14) are formed in the heat tracing pipe;
A mixer (9) connected to the material outlet;
A degumming agent pipe (7) for injecting degumming agent, which is connected with the mixer (9);
And the crude oil pipe (8) is used for injecting crude oil and is connected with the mixer (9), wherein the degumming agent and the crude oil form tiny liquid drops to be dispersed in the crude oil under the action of the mixer.
2. A continuous crude oil degumming reaction apparatus according to claim 1, further comprising a separation device for separating the materials, connected to the material outlet.
3. The continuous crude oil degumming reaction apparatus according to claim 2, wherein the separation device is a butterfly centrifuge having a refined oil outlet (12) and a pectin outlet (11), the refined oil is discharged from the refined oil outlet (12) after the material is processed by high speed centrifugation of the butterfly centrifuge, and the pectin is discharged from the pectin outlet (11).
4. the continuous crude oil degumming reaction device according to claim 1, wherein the stirring device further comprises: the device comprises a motor, a coupler and a stirring shaft which are sequentially connected from top to bottom and are positioned on the upper part of the degumming reaction kettle (1), wherein the coupler and the stirring shaft vertically extend into the degumming reaction kettle (1) downwards, and the stirring shaft is provided with a plurality of different stirring paddles from top to bottom.
5. The continuous crude oil degumming reaction device according to claim 4, wherein the stirring paddles are of a multi-layer mixing structure, wherein the upper part is a splayed stirring paddle, and the lower part is a dispersion stirring paddle.
6. The continuous crude oil degumming reaction device according to claim 5, wherein the stirring paddles are of a three-layer mixing structure, wherein the upper two layers are the splayed stirring paddles, and the lower one layer is the dispersion stirring paddles.
7. The continuous crude oil degumming reaction device according to claim 1, wherein the inlet of the heat tracing pipe is connected with a circulating pump, and the outlet is connected with a storage tank.
8. The continuous crude oil degumming reaction device according to claim 1, wherein a thermometer interface (5) is arranged on the degumming reaction kettle (1), and the thermometer interface (5) is arranged at the lower part of the degumming reaction kettle (1).
9. the continuous crude oil degumming reaction device according to claim 1, wherein the mixer is a static mixer.
10. the continuous crude oil degumming reaction apparatus according to claim 3, wherein the refined oil outlet (12) is connected to a finished product storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103988.0U CN209759412U (en) | 2018-12-14 | 2018-12-14 | continuous crude oil degumming reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103988.0U CN209759412U (en) | 2018-12-14 | 2018-12-14 | continuous crude oil degumming reaction device |
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| Publication Number | Publication Date |
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| CN209759412U true CN209759412U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822103988.0U Active CN209759412U (en) | 2018-12-14 | 2018-12-14 | continuous crude oil degumming reaction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433632A (en) * | 2022-09-30 | 2022-12-06 | 广西壮族自治区林业科学研究院 | Device and method for continuously degumming tea oil |
-
2018
- 2018-12-14 CN CN201822103988.0U patent/CN209759412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433632A (en) * | 2022-09-30 | 2022-12-06 | 广西壮族自治区林业科学研究院 | Device and method for continuously degumming tea oil |
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