CN214438894U - Impinging stream-hydrodynamic cavitation treatment system for strengthening ester exchange reaction in biodiesel preparation - Google Patents
Impinging stream-hydrodynamic cavitation treatment system for strengthening ester exchange reaction in biodiesel preparation Download PDFInfo
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Abstract
The utility model relates to an impinging stream-hydrodynamic cavitation processing system for strengthening ester exchange reaction in the preparation of biodiesel. The device comprises a raw material storage tank, a double-orifice plate-Venturi tube combined cavitator I, a double-orifice plate-Venturi tube combined cavitator II and an impinging stream chamber, wherein the impinging stream chamber is respectively connected with the double-orifice plate-Venturi tube combined cavitator I and the double-orifice plate-Venturi tube combined cavitator II; one end of the return pipeline is communicated with a material liquid outlet arranged at the top of the impinging stream cavity, and the other end of the return pipeline extends into the raw material storage tank below the liquid level of the raw material. The utility model discloses easy and simple to handle, treatment effeciency is high, the liquid drop particle diameter that makes the mixed liquid is showing the liquid drop particle diameter that is less than mechanical stirring, and ester exchange reaction is fast, the conversion rate is high.
Description
Technical Field
The utility model relates to the technical field of biodiesel preparation, in particular to an impinging stream-hydrodynamic cavitation processing system for strengthening ester exchange reaction in the biodiesel preparation.
Background
With the increasing exhaustion of fossil energy and the increasing rise of human demand for fuel, the development of new alternative fuel energy has become a focus of attention in the whole society. The biodiesel is prepared from renewable animal and vegetable oil, belongs to a degradable renewable energy source, has extremely low sulfur content, generates little waste and waste gas during combustion, has little pollution to the environment, has combustion performance not inferior to that of petroleum diesel at all, and is considered as a substitute of the petroleum diesel. At present, the main method for producing biodiesel is an ester exchange method, which comprises the steps of carrying out ester exchange reaction on vegetable or animal oil and methanol or ethanol under the action of an acid or alkaline catalyst to generate corresponding fatty acid methyl ester or ethyl ester, and then washing and drying to obtain the biodiesel. However, reactants of the ester exchange reaction, namely methanol and grease, are not compatible, a reaction system is in an alcohol-oil two-phase state, a catalyst is dissolved in the methanol phase, the traditional production process has the defects of high energy consumption of stirring equipment, poor mixing effect and unsatisfactory mass transfer, and the reaction is only carried out in a phase interface region and is slow. Therefore, in order to increase the transesterification reaction rate, it is necessary to increase the alcohol-oil contact area by enhancing the mixing effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an impinging stream-hydrodynamic cavitation processing system for strengthening the ester exchange reaction in the preparation of the biodiesel based on the impinging stream-hydrodynamic cavitation technology, aiming at the defects of poor mixing effect of the ester exchange reaction, unsatisfactory mass transfer, slow reaction speed and the like when the traditional production process is used for preparing the biodiesel.
In order to achieve the above object, the utility model adopts the following technical scheme: the impinging stream-hydrodynamic cavitation treatment system for strengthening the ester exchange reaction in the preparation of biodiesel comprises a raw material storage tank, a double-orifice plate-Venturi tube combined cavitator I, a double-orifice plate-Venturi tube combined cavitator II and an impinging stream chamber, wherein a material liquid inlet is symmetrically formed in each of two sides of the impinging stream chamber and is respectively connected with a liquid outlet of the double-orifice plate-Venturi tube combined cavitator I and a liquid outlet of the double-orifice plate-Venturi tube combined cavitator II; one end of the return pipeline is communicated with a material liquid outlet arranged at the top of the impinging stream cavity, and the other end of the return pipeline extends into the raw material storage tank below the liquid level of the raw material.
Preferably, in the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel, the double-orifice plate-venturi tube combined cavitator I is structurally characterized in that a porous inlet section I, a contraction section I, a throat section I, a divergence section I and a porous outlet section I are sequentially arranged from the liquid inlet end to the liquid outlet end, the porous inlet section I is a cylindrical main body provided with a plurality of liquid inlet through holes I, and the porous outlet section I is a cylindrical main body provided with a plurality of liquid outlet through holes I.
Preferably, in the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel, the double-orifice plate-venturi tube combined cavitator ii is structurally characterized in that a porous inlet section ii, a contraction section ii, a throat section ii, a diffusion section ii and a porous outlet section ii are sequentially arranged from the liquid inlet end to the liquid outlet end, the porous inlet section ii is a cylindrical main body provided with a plurality of liquid inlet through holes ii, and the porous outlet section ii is a cylindrical main body provided with a plurality of liquid outlet through holes ii.
Preferably, in the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of the biodiesel, the lengths of the contraction section I and the contraction section II are respectively 15-25 mm; the throat part I and the throat part II are respectively of a tubular structure, the inner diameter of the throat part I is 0.2-0.3 mm, and the length of the throat part II is 1-4 mm; the lengths of the divergent section I and the divergent section II are 65-75 mm respectively; the incidence half angle alpha of the contraction section I and the contraction section II is 20-24 degrees, and the divergence half angle beta of the divergence section I and the divergence section II is 4-8 degrees.
Preferably, the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of the biodiesel is characterized in that the double-orifice plate-venturi tube combined cavitator I and the double-orifice plate-venturi tube combined cavitator II are coaxially and symmetrically arranged.
Preferably, the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of the biodiesel comprises a liquid inlet through hole I, a liquid outlet through hole I, a liquid inlet through hole II and a liquid outlet through hole II, wherein the through holes are cylindrical holes, the length of each through hole is 4-6 mm, and the radius of each through hole is 0.1-0.2 mm.
Preferably, in the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel, the bottom of the raw material storage tank is provided with a discharge hole controlled by a valve II.
Preferably, in the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel, a constant temperature water bath device is arranged outside the raw material storage tank.
Preferably, the impinging stream-hydrodynamic cavitation treatment system for enhancing the ester exchange reaction in the preparation of the biodiesel is provided with an auxiliary pipeline, one end of the auxiliary pipeline is connected to a main pipeline between the high-pressure pump and the branch pipeline I and the branch pipeline II, the other end of the auxiliary pipeline extends into the position below the liquid level of the raw material in the raw material storage tank, and a valve I is arranged on the auxiliary pipeline.
Preferably, in the impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of the biodiesel, the pressure gauge I and the pressure gauge II are respectively arranged on the branch pipeline I and the branch pipeline II.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses impinging stream-hydrodynamic cavitation processing system, production simple process, treatment effeciency are high, and the device is simple low-priced, low in production cost is honest and clean, no secondary pollution, green.
2. The utility model discloses impinging stream-hydrodynamic cavitation processing system, diplopore board-venturi combination cavitator combine venturi and perforated plate ingenious as an organic whole, make the raw materials through tertiary hydrodynamic cavitation, improve hydrodynamic cavitation treatment efficiency.
3. The utility model discloses impinging stream-hydrodynamic cavitation processing system combines hydrodynamic cavitation effect and impinging stream in coordination to strengthen the mutual immiscible system ester exchange process of alcohol oil, has shortened reaction time, has improved mass transfer efficiency, and the mixed liquid droplet particle diameter that makes can show the droplet particle diameter that is less than traditional mechanical stirring.
4. The utility model discloses impinging stream-hydrodynamic cavitation processing system, with orifice plate cavitation, venturi cavitation and impinging stream synergistic effect in the ester exchange reaction, hydrodynamic cavitation makes the mellow wine oil system produce strong turbulence on the microscale, greatly increased mellow wine oil area of contact to the extreme environment of high temperature high pressure that hydrodynamic cavitation process produced also can influence the reaction balance, impel the ester exchange reaction to go on more thoroughly; under the action of the impinging stream, shearing force generated by collision between the oil phase and the alcohol phase particles further causes the liquid drops to be broken, so that the reaction efficiency is further improved. Adopt the utility model discloses the liquid drop particle diameter of the mixed liquid that makes is showing and is being less than the liquid drop particle diameter of mechanical stirring, and ester exchange reaction is fast, the conversion rate is high.
Drawings
Fig. 1 is a structural diagram of the impinging stream-hydrodynamic cavitation treatment system of the present invention.
Fig. 2 is a schematic view of the connection between the dual orifice plate-venturi tube combined cavitator and the impinging stream chamber of the present invention.
Fig. 3 is a schematic structural view of the dual orifice plate-venturi tube combined cavitator of the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the dual orifice plate-venturi tube combined cavitator.
In the figure: 1-a feed inlet; 2-raw material storage tank; 3-constant temperature water bath device; 4-a high pressure pump; 5-main pipeline; 6-auxiliary pipeline; 7-valve I; 8-branch pipeline I; 9-pressure gauge I; 10-double orifice plate-Venturi tube combined cavitator I; 11-branch line II; 12-pressure gauge II; 13-double orifice plate-Venturi tube combined cavitator II; 14-an impinging stream chamber; 15-return line; 16-valve II; 17-discharge port; 10-1-porous inlet section I; 10-2-contraction section I; 10-3-throat I; 10-4-divergent section I; 10-5-porous outlet section I; 10-6-liquid inlet through hole I; 10-7-a liquid outlet through hole I; 13-1-porous inlet section II; 13-2-shrink section II; 13-3-throat II, 13-4-divergent section II; 13-5-porous outlet section II; 13-6-liquid inlet through hole II; 13-7-liquid outlet through hole II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figures 1-4, the impinging stream-hydrodynamic cavitation treatment system for strengthening the ester exchange reaction in the preparation of biodiesel comprises a raw material storage tank (2), a high-pressure pump (4), a double-orifice plate-Venturi tube combined cavitator I (10), a double-orifice plate-Venturi tube combined cavitator II (13) and an impinging stream chamber (14).
The raw material storage tank (2) is used for containing reaction raw materials, a feed inlet (1) is formed in the upper end of the raw material storage tank (2), and the reaction raw materials such as plant or animal fat, methanol or ethanol, acid or alkaline catalyst are fed into the raw material storage tank (2) through the feed inlet (1). A discharge hole (17) controlled by a valve II (16) is arranged at the bottom of the raw material storage tank (2), and after the reaction is finished, the reaction product is discharged from the discharge hole (17).
Because the temperature has a large influence on the conversion rate of the ester exchange reaction, the conversion rate is low when the temperature is too low, and the temperature is raised by heat generated in the hydrodynamic cavitation process, the cavitation effect and devices such as a water pump, a venturi tube and the like are prevented from being damaged by too fast temperature rise in order to improve the conversion rate of the ester exchange reaction. Preferably, a constant temperature water bath device (3) is arranged outside the raw material storage tank (2) to maintain the temperature of the raw material mixed liquid at 40-60 ℃.
The device is provided with a double-orifice-Venturi tube combined cavitator I (10), a double-orifice-Venturi tube combined cavitator II (13) and an impinging stream chamber (14). Two sides of the impinging stream chamber (14) are symmetrically provided with a material liquid inlet respectively, and the material liquid inlets are respectively connected with the liquid outlets of the double-orifice plate-Venturi tube combined cavitator I (10) and the double-orifice plate-Venturi tube combined cavitator II (13). The impinging stream chamber (14) is respectively connected with the double-orifice plate-Venturi tube combined cavitator I (10) and the double-orifice plate-Venturi tube combined cavitator II (13) through threads.
The double-orifice plate-Venturi tube combined cavitator I (10) is connected with the main pipeline (5) through a branch pipeline I (8), and the double-orifice plate-Venturi tube combined cavitator II (13) is connected with the main pipeline (5) through a branch pipeline II (11). The double-orifice plate-Venturi tube combined cavitator I (10) is in threaded connection with the branch pipeline I (8). The double-orifice plate-Venturi tube combined cavitator II (13) is in threaded connection with the branch pipeline II (11).
The main pipeline (5) is communicated with the raw material storage tank (2) through a high-pressure pump (4).
One end of the return pipeline 15 is communicated with a material liquid outlet arranged at the top of the impinging stream chamber (14), and the other end thereof extends into the raw material storage tank (2) below the liquid level of the raw material.
Preferably, as shown in fig. 3, the double-orifice plate-venturi tube combined cavitator I (10) has a structure that a porous inlet section I (10-1), a contraction section I (10-2), a throat section I (10-3), a divergence section I (10-4) and a porous outlet section I (10-5) are sequentially arranged from a liquid inlet end to a liquid outlet end, the porous inlet section I (10-1) is a cylindrical main body provided with a plurality of liquid inlet through holes I (10-6), and the porous outlet section I (10-5) is a cylindrical main body provided with a plurality of liquid outlet through holes I (10-7).
Preferably, the length of the contraction section I (10-2) is 15-25 mm; the throat part I (10-3) is of a tubular structure, the inner diameter of the throat part I is 0.2-0.3 mm, and the length of the throat part I is 1-4 mm; the length of the divergent section I (10-4) is 65-75 mm; the incident half angle alpha of the contraction section I (10-2) is 20-24 degrees, and the divergence half angle beta of the divergence section I (10-4) is 4-8 degrees.
Preferably, as shown in fig. 3, the double-orifice plate-venturi tube combined cavitator ii (13) has a structure that a porous inlet section ii (13-1), a contraction section ii (13-2), a throat section ii (13-3), a divergence section ii (13-4) and a porous outlet section ii (13-5) are sequentially arranged from the liquid inlet end to the liquid outlet end, the porous inlet section ii (13-1) is a cylindrical main body provided with a plurality of liquid inlet through holes ii (13-6), and the porous outlet section ii (13-5) is a cylindrical main body provided with a plurality of liquid outlet through holes ii (13-7).
Preferably, the length of the contraction section II (13-2) is 15-25 mm; the throat part II (13-3) is of a tubular structure, the inner diameter of the throat part II is 0.2-0.3 mm, and the length of the throat part II is 1-4 mm; the length of the divergent section II (13-4) is 65-75 mm; the incidence half angle alpha of the contraction section II (13-2) is 20-24 degrees, and the divergence half angle beta of the divergence section II (13-4) is 4-8 degrees.
Preferably, the double orifice plate-Venturi tube combined cavitator I (10) and the double orifice plate-Venturi tube combined cavitator II (13) are coaxially and symmetrically arranged. As shown in FIG. 3, the structure of the dual orifice plate-venturi tube combined cavitator I (10) and the dual orifice plate-venturi tube combined cavitator II (13) is completely the same.
Preferably, the liquid inlet through hole I (10-6), the liquid outlet through hole I (10-7), the liquid inlet through hole II (13-6) and the liquid outlet through hole II (13-7) are in the structure that the through holes are cylindrical holes, the length of the through holes is 4-6 mm, and the radius of the through holes is 0.1-0.2 mm.
Preferably, an auxiliary pipeline (6) is arranged, one end of the auxiliary pipeline (6) is connected to a main pipeline (5) between the high-pressure pump (4) and the branch pipeline I (8) and the branch pipeline II (11), the other end of the auxiliary pipeline (6) extends into the position below the liquid level of the raw materials in the raw material storage tank (2), and a valve I (7) is arranged on the auxiliary pipeline (6). The auxiliary pipeline (6) is used for controlling the pressure of the main pipeline (5) by adjusting the flow through the valve I (7), and the pressure of the liquid inlet ends of the double-orifice-venturi tube combined cavitator I (10) and the double-orifice-venturi tube combined cavitator II (13) is guaranteed to be 3-5 bar.
Preferably, a pressure gauge I (9) and a pressure gauge II (12) are respectively arranged on the branch pipeline I (8) and the branch pipeline II (11). The device is used for observing the pressure at the inlet end of the double-orifice plate-Venturi tube combined cavitator, so that the pressure at the inlet end is controlled to be 3-5 bar.
The utility model discloses a working process is: the raw material mixed liquid in the raw material storage tank (2) is simultaneously conveyed to a coaxial and symmetrical double-orifice plate-Venturi tube combined cavitator I (10) and a double-orifice plate-Venturi tube combined cavitator II (13) through a main pipeline (5), a branch pipeline I (8) and a branch pipeline II (11) by a high-pressure pump (4), and enters an impinging stream chamber (14) through a left material liquid inlet and a right material liquid inlet of the impinging stream chamber (14) to complete coaxial impinging, so that impinging stream is generated. The top of the impinging stream chamber (14) is provided with a material liquid outlet, the impinged material liquid returns to the raw material storage tank along with the return pipeline (15) to continue the circular reaction, and after the complete reaction, a valve II (16) is opened to discharge the reaction product from a discharge hole (17).
The utility model discloses all design the entry liquid mouth end and the liquid outlet end at diplopore board-venturi combination cavitator I (10) and diplopore board-venturi combination cavitator II (13) both ends for the perforated plate shape, make the feed liquid that gets into through tertiary hydrodynamic cavitation, be favorable to producing more cavitation bubbles, improved cavitation effect, also more strengthened ester exchange reaction efficiency.
The utility model discloses combine together venturi and orifice plate technique, the effectual hydrodynamic cavitation intensity that has improved, orifice and venturi's throat all can make liquid receive the influence of velocity variation and induce the cavitation, produce a large amount of cavitation bubbles, and the cavitation bubble grows at the throat, bursts in the divergent zone, produces local high temperature high pressure, transient focus to and high-speed little efflux and strong shock wave, utilize such extreme environment to strengthen ester exchange reaction process.
Hydrodynamic cavitation is a new process strengthening technology, and is widely applied to strengthening of physical and chemical processes due to the characteristics of good strengthening effect, high energy utilization rate, small equipment corrosivity, continuous production and the like. The principle of hydrodynamic cavitation for strengthening ester exchange reaction is as follows: when the local pressure is reduced to a certain point lower than the saturated vapor pressure of the liquid, cavitation can occur to generate a large amount of cavitation bubbles, the cavitation bubbles grow gradually and flow along with the liquid, the flow channel is gradually expanded to enable the liquid pressure to gradually rise, and the volume of the cavitation bubbles is reduced rapidly under the action of the surrounding pressure until the cavitation bubbles are collapsed. Local high-temperature high-pressure transient hot spots can be generated at the moment of cavitation bubble collapse, and the highly concentrated energy is easy to enable an alkaline catalyst (such as KOH) to react with methanol to form a large amount of strongly active alkane oxide anions CH3O-(ii) a At the same time, collapse of cavitation bubbles can also generate high-speed microjets and intense shock waves, which cause CH3O-Can smoothly enter the oil phase to form an emulsion with the glyceride, CH3O-Attack of glycerides sp2The first carbon atom of the hybridized carbonyl group forms an intermediate of tetrahedral structure, and the intermediate reacts with methanol to generate new CH3O-Final intermediate rearrangement of tetrahedral structureFatty acid methyl ester.
Impinging stream rationale: two equal two-phase flows flow coaxially toward each other and impinge at the midpoint, resulting in a highly turbulent impingement zone between the two acceleration tubes, greatly enhancing the transfer process. Under the action of the impinging stream, shearing force generated by collision between the oil phase and the alcohol phase can further cause liquid drops to be broken, so that the mass transfer efficiency is further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The impinging stream-hydrodynamic cavitation treatment system for strengthening the ester exchange reaction in the preparation of the biodiesel comprises a raw material storage tank (2), and is characterized in that: the device is provided with a double-orifice plate-Venturi tube combined cavitator I (10), a double-orifice plate-Venturi tube combined cavitator II (13) and an impinging stream chamber (14), wherein a material liquid inlet is symmetrically formed in each of two sides of the impinging stream chamber (14) and is respectively connected with a liquid outlet of the double-orifice plate-Venturi tube combined cavitator I (10) and a liquid outlet of the double-orifice plate-Venturi tube combined cavitator II (13), the double-orifice plate-Venturi tube combined cavitator I (10) is connected with a main pipeline (5) through a branch pipeline I (8), the double-orifice plate-Venturi tube combined cavitator II (13) is connected with the main pipeline (5) through a branch pipeline II (11), and the main pipeline (5) is communicated with a raw material storage tank (2) through a high-pressure pump (4); one end of the return pipeline (15) is communicated with a material liquid outlet arranged at the top of the impinging stream chamber (14), and the other end of the return pipeline extends into the raw material storage tank (2) below the liquid level of the raw material.
2. The impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel according to claim 1, wherein the double-orifice plate-venturi tube combined cavitator I (10) has a structure that a porous inlet section I (10-1), a contraction section I (10-2), a throat portion I (10-3), a divergence section I (10-4) and a porous outlet section I (10-5) are sequentially arranged from a liquid inlet end to a liquid outlet end, the porous inlet section I (10-1) is a cylindrical main body provided with a plurality of liquid inlet through holes I (10-6), and the porous outlet section I (10-5) is a cylindrical main body provided with a plurality of liquid outlet through holes I (10-7).
3. The impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel according to claim 1, wherein the double-orifice plate-venturi tube combined cavitator II (13) is structurally characterized in that a porous inlet section II (13-1), a contraction section II (13-2), a throat section II (13-3), a divergence section II (13-4) and a porous outlet section II (13-5) are sequentially arranged from a liquid inlet end to a liquid outlet end, the porous inlet section II (13-1) is a cylindrical main body provided with a plurality of liquid inlet through holes II (13-6), and the porous outlet section II (13-5) is a cylindrical main body provided with a plurality of liquid outlet through holes II (13-7).
4. The impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel according to claim 2 or 3, wherein the lengths of the contraction section I (10-2) and the contraction section II (13-2) are respectively 15-25 mm; the throat part I (10-3) and the throat part II (13-3) are respectively of a tubular structure, the inner diameter of the throat part I (10-3) is 0.2-0.3 mm, and the length of the throat part II (13-3) is 1-4 mm; the lengths of the divergent section I (10-4) and the divergent section II (13-4) are 65-75 mm respectively; the incidence half angle alpha of the contraction section I (10-2) and the contraction section II (13-2) is 20-24 degrees, and the divergence half angle beta of the divergence section I (10-4) and the divergence section II (13-4) is 4-8 degrees.
5. The impinging stream-hydrodynamic cavitation processing system for enhancing transesterification reaction in the preparation of biodiesel according to claim 1, wherein the double orifice plate-venturi tube combined cavitator I (10) and the double orifice plate-venturi tube combined cavitator ii (13) are coaxially and symmetrically installed.
6. The impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel according to claim 1, wherein the liquid inlet through hole I (10-6), the liquid outlet through hole I (10-7), the liquid inlet through hole II (13-6) and the liquid outlet through hole II (13-7) are cylindrical holes, the length of the through hole is 4-6 mm, and the radius of the through hole is 0.1-0.2 mm.
7. The impinging stream-hydrodynamic cavitation processing system for enhancing transesterification reaction in biodiesel production as claimed in claim 1, wherein the bottom of the raw material storage tank (2) is provided with a discharge port (17) controlled by a valve II (16).
8. The impinging stream-hydrodynamic cavitation processing system for enhancing the transesterification reaction in the preparation of biodiesel according to claim 1, wherein a constant temperature water bath device (3) is provided outside the raw material storage tank (2).
9. The impinging stream-hydrodynamic cavitation processing system for enhancing the transesterification reaction in the preparation of biodiesel according to claim 1, wherein an auxiliary pipeline (6) is provided, one end of the auxiliary pipeline (6) is connected to the main pipeline (5) between the high-pressure pump (4) and the branch pipeline I (8) and the branch pipeline II (11), the other end of the auxiliary pipeline extends into the raw material storage tank (2) below the liquid level of the raw material, and a valve I (7) is provided on the auxiliary pipeline (6).
10. The impinging stream-hydrodynamic cavitation treatment system for enhancing the transesterification reaction in the preparation of biodiesel according to claim 1, wherein a pressure gauge I (9) and a pressure gauge II (12) are respectively arranged on the branch pipeline I (8) and the branch pipeline II (11).
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| CN202120139354.XU CN214438894U (en) | 2021-01-19 | 2021-01-19 | Impinging stream-hydrodynamic cavitation treatment system for strengthening ester exchange reaction in biodiesel preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797169A (en) * | 2022-04-11 | 2022-07-29 | 辽宁大学 | Hydrodynamic cavitation assisted liquid-liquid extraction device and extraction method |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797169A (en) * | 2022-04-11 | 2022-07-29 | 辽宁大学 | Hydrodynamic cavitation assisted liquid-liquid extraction device and extraction method |
| CN114797169B (en) * | 2022-04-11 | 2023-11-10 | 辽宁大学 | Hydrodynamic cavitation-assisted liquid-liquid extraction device and extraction method |
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