CN216972440U - Refining equipment based on waste mineral oil solvent extraction - Google Patents

Abstract

The utility model provides refining equipment based on solvent extraction of waste mineral oil, which comprises a tower body, wherein the bottom and the top of the tower body are respectively provided with a raffinate outlet and an extract outlet, the interior of the tower body is sequentially divided into an upper clarification section, a mixing section and a lower clarification section which are communicated with each other from top to bottom by two grid plates, the mixing section is cylindrical, at least two annular baffles are arranged from top to bottom in the tower body, extraction chambers are formed between adjacent annular baffles, the center of each extraction chamber is provided with a fixed turntable rotating along with a rotating shaft, the rotating shaft vertically penetrates through the whole tower body and is rotatably connected with the tower body, the rotating shaft is also sleeved with a rotating assembly rotating by kinetic energy carried by liquid entering the tower body, and the kinetic energy carried by an extracting agent and waste mineral oil entering the tower body can be converted into power for rotating the rotating shaft through the arrangement of the rotating assembly, the energy loss is reduced.

Description

Refining equipment based on waste mineral oil solvent extraction

Technical Field

The utility model relates to the technical field of recovery and processing of waste mineral oil, in particular to refining equipment based on solvent extraction of waste mineral oil.

Background

Extraction is a common separation method, the principle of which is to separate mixtures by virtue of the difference in solubility of the components in incompatible solvents or the difference in adsorption on adsorbents. The extraction methods are diverse and include liquid-liquid extraction (or extraction), liquid-solid extraction (or leaching), gas-liquid extraction, and gas-solid extraction. The existing extraction equipment is various and comprises a sieve plate extraction tower, a filler extraction tower, a vibration extraction tower, a rotary disc extraction tower and the like, wherein a fixed rotary disc rotating along with a stirring shaft is arranged in the rotary disc extraction tower, when the extraction equipment works, a heavy phase and a light phase respectively enter from the top of the tower and the bottom of the tower, dispersed phases form small droplets under the stirring of the fixed rotary disc, the mass transfer area is increased, and after the extraction process is finished, the light phase and the heavy phase respectively flow out from outlets at the top of the tower and the bottom of the tower. It is widely applied to the field of refining waste mineral oil due to high extraction efficiency and large operation flexibility.

However, the rotation of the stirring shaft needs to be driven by a driving device at the top of the tower, so that the energy consumption is high, and the reduction of the cost of the recovery processing of the waste mineral oil is not facilitated.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the background technology, the utility model provides refining equipment based on waste mineral oil extraction, which can make full use of kinetic energy of waste mineral oil and an extracting agent when the waste mineral oil and the extracting agent enter the equipment to reduce energy consumption.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a refining equipment based on waste mineral oil extraction, includes the tower body, and tower body bottom and top are provided with respectively and extract the surplus export and take out the mouth, and the tower body is inside to separate into the last clarification section, mixing section and the clarification section down that communicates each other by two grid plate from the top down in proper order, and wherein mixing section is cylindricly, and its inside annular baffle of being no less than two is provided with by last under to, forms the extraction room between the adjacent annular baffle, and every extraction room center is provided with one along with the rotatory fixed rotating disc of rotation axis, the rotation axis is vertical to be passed whole tower body and to be connected with the tower body rotation, still the cover is equipped with the rotating assembly with the synchronous rotation of rotation axis on the rotation axis, and rotating assembly is located between grid plate and the annular baffle for carry kinetic energy conversion to the rotatory power of rotation axis when getting into waste mineral oil or extractant equipment.

Preferably, rotating assembly is including fixing on the rotation axis and with the sleeve of rotation axis synchronous revolution, the sleeve is provided with outside and is no less than two arc blade, the inlet pipe export that sets up on the tower body is just to arc blade, the inlet pipe level sets up.

Preferably, the both ends of rotation axis are hollow cylinder, rotating assembly including fix on the rotation axis and with the sealed sleeve of rotation axis synchronous revolution, the sleeve outer level is provided with and is no less than two shower nozzles, shower nozzle and rotation axis all communicate with the sleeve, the telescopic radial direction of axis direction deviation of shower nozzle.

Preferably, the top of the rotating shaft penetrates through the tower body and is connected with a driving assembly.

Preferably, the grating plate is communicated with the upper clarification section, the mixing section and the lower clarification section through a plurality of through holes which are concentrated in the central position of the grating plate.

Preferably, the driving assembly comprises a driven gear sleeved on the rotating shaft and a driving gear meshed with the driven gear, and the driving gear is driven by a driving motor.

The refining equipment based on waste mineral oil extraction, which is obtained by the technical scheme, has the beneficial effects that: kinetic energy carried when the waste mineral oil and the extractant enter the tower body is fully utilized to drive the fixed turntable on the rotating shaft to rotate, so that the mass transfer area is increased, and the extraction effect is improved.

Drawings

FIG. 1 is a schematic view of the construction of the refining apparatus based on waste mineral oil extraction.

FIG. 2 is a schematic diagram of one embodiment of a rotating assembly.

Fig. 3 is a schematic structural view of another embodiment of a rotating assembly.

In the figure, 1, a tower body; 2. a grid plate; 3. a rotating shaft; 4. fixing the rotary table; 5. an annular baffle; 6. a sleeve; 7. a spray head; 8. an arc-shaped blade; 9. a driven gear; 10. a drive motor; 11. an raffinate outlet; 12. an extraction outlet; 13. a feed pipe; 14. a drive gear; a. an upper clarification section; b. a mixing section; c. and a lower clarification section.

Detailed Description

All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

The embodiment provides a refining device based on waste mineral oil extraction, which can fully utilize the impact force when the waste mineral oil enters the device and convert the waste mineral oil into the power for rotating the rotating shaft 3.

As shown in fig. 1, the refining equipment comprises a tower body 1, wherein a raffinate outlet 11 and an extract outlet 12 for raffinate phase outflow and extract phase outflow are respectively arranged at the bottom and the top of the tower body 1, the inside of the tower body 1 is sequentially divided into an upper clarification section a, a mixing section b and a lower clarification section c from top to bottom, specifically, the upper clarification section a, the mixing section b and the lower clarification section c are divided by a grid plate 2 with through holes, the outer edge of the grid plate 2 is connected with the tower wall of the tower body 1, the through holes on the grid plate 2 are multiple and concentrated at the center of the grid plate 2, the mixing section b is cylindrical, at least two annular baffles 5 are arranged from top to bottom in the mixing section b, an extraction chamber is formed between adjacent annular baffles 5, a fixed rotary disc 4 is arranged at the center of each extraction chamber and can rotate along with a rotating shaft 3 coaxially arranged with the fixed rotary disc 4, the radius of the fixed rotary disc 4 is larger than the inner diameter of the annular baffles 5, rotation axis 3 is vertical to be passed whole tower body 1 and to be connected through bearing and tower body 1 rotation, still the cover is equipped with the rotating assembly with 3 synchronous revolutions of rotation axis on the rotation axis 3, and rotating assembly is located between grid plate 2 and ring baffle 5 for carry kinetic energy when getting into equipment with waste mineral oil or extractant and convert into the rotatory power of rotation axis 3.

As shown in fig. 2, in an embodiment of the present invention, the rotating assembly includes a sleeve 6 fixed on the rotating shaft 3 and rotating synchronously with the rotating shaft 3, at least two arc-shaped blades 8 are disposed outside the sleeve 6, outlets of feeding pipes 13 respectively disposed on the tower body 1 for conveying waste mineral oil and extractant are opposite to the arc-shaped blades 8, specifically, the feeding pipes 13 are disposed horizontally, and after liquid moving at high speed enters the tower body 1 from the feeding pipes 13, kinetic energy carried by the liquid impacts the arc-shaped blades 8, so that the arc-shaped blades 8 drive the rotating fixed turntable 4 to rotate.

As shown in fig. 3, in another embodiment of the present invention, two ends of the rotating shaft 3 are hollow cylinders and are connected to a storage tank for supplying waste mineral oil (extractant) through a rotating joint, the rotating assembly includes a sealing sleeve 6 fixed on the rotating shaft 3 and rotating synchronously with the rotating shaft 3, at least two nozzles 7 are horizontally arranged outside the sleeve 6, both the nozzles 7 and the rotating shaft 3 are communicated with the sleeve 6, the axial direction of the nozzles 7 deviates from the radial direction of the sleeve 6, and after liquid is sprayed from the nozzles 7, the recoil force of the liquid can drive the entire rotating assembly to rotate, thereby realizing the rotation of the fixed turntable 4 on the rotating shaft 3.

It should be noted that the rotating assemblies sleeved on the rotating shaft 3 are two groups, and are respectively located below the upper clarification section a and above the lower clarification section, and the rotating directions of the rotating assemblies are the same, if the rotating assemblies adopt the structure shown in fig. 2, the tower body 1 is provided with a feeding pipe 13 which is opposite to the arc-shaped blade 8 located at the lower clarification section and is used for conveying an extracting agent, and if the rotating assemblies adopt the structure shown in fig. 3, the lower end of the rotating shaft 3 is also a hollow cylinder, and the extracting agent enters the sleeve 6 from the lower end of the rotating shaft 3 and is sprayed into the tower body 1 through the spray head 7.

In order to avoid insufficient power, the top of the rotating shaft 3 penetrates through the tower body 1 and is connected with a driving assembly, so that the rotating shaft 3 can be assisted to rotate when the waste mineral oil and the extracting agent cannot provide enough rotating power for the rotating shaft 3.

In one embodiment, the driving assembly comprises a driven gear 9 sleeved on the rotating shaft 3 and a driving gear 14 engaged with the driven gear 9, and the driving gear 14 is driven by a driving motor 10.

The waste mineral oil and the extractant respectively serve as a heavy phase and a light phase to enter the tower body 1 from the high position of the tower body 1 and the low position of the tower body 1, kinetic energy carried by the heavy phase is converted into power for rotating the rotating component, the rotating component drives the fixed turntable 4 on the rotating shaft 3 to rotate, the dispersed phase forms small droplets under the stirring of the fixed turntable 4, the mass transfer area is increased, the extraction efficiency is improved, meanwhile, the rotation of the rotating component enables the waste mineral oil to approach the side wall of the tower body 1, the waste mineral oil positioned in the center becomes thinner, and the extraction phase is favorable for moving upwards to enter an upper clarification section and then being discharged through an extraction port.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a refining equipment based on extraction of waste mineral oil solvent, a serial communication port, including the tower body, tower body bottom and top are provided with the raffinate export respectively and extract out the mouth, and the tower body is inside separates into the last clarification section that communicates each other, mixing section and lower clarification section by two grid plate from the top down in proper order, and wherein mixing section is cylindricly, and its inside annular baffle of being no less than two is provided with by last under to, forms the extraction chamber between the adjacent annular baffle, and every extraction chamber center is provided with a fixed rotating disc along with the rotation axis is rotatory, the rotation axis is vertical to be passed whole tower body and to be connected with the tower body rotation, still the cover is equipped with on the rotation axis and utilizes the rotatory rotating assembly of kinetic energy that the liquid that enters into in the tower body carried, rotating assembly is located between grid plate and the annular baffle.

2. The refining apparatus based on solvent extraction of waste mineral oil as claimed in claim 1, wherein the rotating assembly includes a sleeve fixed on the rotating shaft and rotating synchronously with the rotating shaft, at least two arc-shaped blades are provided outside the sleeve, the outlet of the feeding pipe provided on the tower body is opposite to the arc-shaped blades, and the feeding pipe is horizontally provided.

3. The refining apparatus for solvent extraction of waste mineral oil according to claim 1, wherein both ends of the rotation shaft are hollow cylinders, the rotation assembly includes a sealing sleeve fixed to the rotation shaft and rotating in synchronization with the rotation shaft, at least two spray heads are horizontally disposed outside the sleeve, both the spray heads and the rotation shaft are communicated with the sleeve, and an axial direction of the spray heads is deviated from a radial direction of the sleeve.

4. The refining apparatus based on solvent extraction of waste mineral oil as claimed in claim 1, wherein the top of the rotating shaft penetrates the tower body and is connected with a driving assembly.

5. The refining apparatus based on solvent extraction of waste mineral oil according to claim 1, wherein the grid plate is communicated among the upper clarification section, the mixing section and the lower clarification section through a plurality of through holes concentrated at the center of the grid plate.

6. The refining apparatus based on solvent extraction of waste mineral oil as claimed in claim 4, wherein the driving assembly comprises a driven gear sleeved on the rotation shaft and a driving gear engaged with the driven gear, and the driving gear is driven by a driving motor.

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