Waste oil regeneration rectification device

Abstract

The utility model belongs to the technical field of waste oil recovery, and particularly relates to a waste oil regeneration rectification device which comprises a rectification tower, the top of the rectification tower is fixedly connected with a condenser, and a rectification mechanism is arranged in the rectification tower; the rectification mechanism comprises a dispersing unit and a heating unit; the dispersing unit comprises a liquid inlet pipe, a dispersing disc, a liquid outlet hole, a separating disc, a steam hole, a rotating ring, a stirring strip, a stirring shaft and a motor, one end of the liquid inlet pipe penetrates through the left side of the rectifying tower and extends inwards, the dispersing disc is arranged at the other end of the liquid inlet pipe, the liquid outlet hole is formed in the bottom of the dispersing disc, and the separating disc is fixedly connected to the lower portion of the dispersing disc. According to the waste oil regeneration rectification device, the internal space of the rectification tower is divided into a plurality of areas through the separation discs, the multi-stage rectification effect is favorably formed, the separation efficiency of waste oil and the product purity are improved, steam is allowed to circulate among the separation discs through the steam holes, full contact and mixing of the waste oil and the steam are promoted, and the rectification effect is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste oil recovery, in particular to a waste oil regeneration and distillation device. Background Art

[0002] Waste oil regeneration distillation is a technical process that aims to separate and purify different components in waste oil according to their boiling points through distillation (distillation), so as to restore the use value of waste oil or convert it into other valuable products. Waste oil, such as waste engine oil, waste lubricating oil, etc., will be mixed with various impurities, moisture, additive degradation products, etc. during use, resulting in its performance degradation and inability to continue to be used. Waste oil regeneration distillation technology heats the waste oil so that the light components (such as solvents, light hydrocarbons, etc.) evaporate first, followed by medium boiling point components, and finally heavy components. These components will be collected at different temperatures during the distillation process to obtain oil products with different properties.

[0003] A Chinese patent with publication number CN210974545U discloses a waste oil regeneration and distillation device, comprising a distillation tank, a circular ring welded to the distillation tank, a jacket welded to the circular ring, a height of the jacket equal to 2 / 3 of the distillation tank, a bottom of the jacket connected to a bottom support plate, an interlayer between the jacket and the distillation tank, an electric heating pipe installed in the interlayer, an interlayer cavity between the bottom of the distillation tank and the bottom support plate, an electric heating plate installed in the interlayer cavity, the electric heating pipe connected to a first thermostat, the electric heating plate connected to a second thermostat, 1 / 3 of the height of the distillation tank connected to an insulation sleeve, an air outlet is opened at the top of the distillation tank, the air outlet is connected to an air outlet pipe, and the air outlet pipe is connected to an air tank.

[0004] The above-mentioned prior art solutions have the following defects: the above-mentioned technical solutions do not mention a stirring mechanism, which may result in the waste oil in the distillation tank being unable to be fully mixed and flowed during the heating process, further exacerbating the problem of uneven temperature distribution.

[0005] Therefore, we proposed a waste oil regeneration distillation device to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a waste oil regeneration and distillation device to solve the problem that the waste oil cannot be fully mixed with steam in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste oil regeneration distillation device, comprising a distillation tower, a condenser is fixedly connected to the top of the distillation tower, and a distillation mechanism is arranged inside the distillation tower;

[0008] The distillation mechanism includes a dispersion unit and a heating unit;

[0009] The dispersion unit comprises a liquid inlet pipe, a dispersion plate, a liquid outlet hole, a separation plate, a steam hole, a rotating ring, a stirring bar, a stirring shaft and a motor. One end of the liquid inlet pipe passes through the left side of the distillation tower and extends inwardly. The dispersion plate is arranged at the other end of the liquid inlet pipe. The liquid outlet hole is arranged at the bottom of the dispersion plate. The separation plate is fixedly connected to the bottom of the dispersion plate. The steam hole is arranged at the bottom of the separation plate. A through hole is arranged in the middle of the separation plate. The stirring shaft is rotatably connected to the inside of the through hole. A rotating ring is arranged outside the through hole. The rotating ring is fixedly connected to the stirring shaft. The output end of the motor is connected to the bottom of the stirring shaft.

[0010] The heating unit includes a steam generator and a steam pipe. The steam generator is arranged on the right side of the distillation tower. One end of the steam pipe is fixedly connected to the outlet of the steam generator, and the other end of the steam pipe passes through the lower right side of the distillation tower and extends inward to below the partition plate.

[0011] Preferably, there are three partition plates, the outer sides of which are fixedly connected to the inner wall of the distillation tower, and each partition plate is equidistantly connected to the inside of the distillation tower. The internal space of the distillation tower is divided into multiple areas by three equidistantly distributed partition plates, which is conducive to forming a multi-stage distillation effect.

[0012] Preferably, an air outlet pipe 1 is fixedly connected to the right side of the condenser, one end of the air outlet pipe 1 is fixedly connected to the left wall of the purification box, an air inlet hole is opened on the left wall of the purification box, one end of the air outlet pipe 1 extends inward through the air inlet hole, an air outlet hole is opened on the right wall of the purification box, and an air outlet pipe 2 is arranged at the air outlet hole. The setting of the purification box can remove harmful substances in the gas and protect the environment and the health of the operators.

[0013] Preferably, placement grooves are respectively provided on the front and back of the purification box, and purification panels are arranged inside the placement grooves. The placement grooves facilitate installation and replacement of the purification panels and are easy for maintenance and operation.

[0014] Preferably, there are two groups of placement slots, each group has two, which are respectively opened on the front and back sides of the purification box. A purification plate is arranged inside each placement slot. The arrangement of multiple groups of purification plates increases the processing capacity of the purification box, ensuring that a large amount of gas can be effectively purified at the same time.

[0015] Preferably, activated carbon is arranged inside the purification plate. Activated carbon is a highly efficient adsorbent that can adsorb harmful substances such as organic solvents, grease, etc. in the gas to ensure the cleanliness of the exhaust gas.

[0016] Preferably, a chassis is fixedly connected to the bottom surface of the inner wall of the distillation tower, a through hole is opened in the middle of the chassis, and the stirring shaft is rotatably connected to the through hole. The chassis is convenient for collecting residues generated during the distillation process, and the through hole on the chassis allows the stirring shaft to pass through it, which is convenient for the installation and fixation of the stirring shaft.

[0017] Preferably, support members are fixedly connected around the bottom of the distillation tower, and the support members increase the stability of the distillation tower and prevent it from tipping over or deforming due to gravity or vibration during operation.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The waste oil regeneration distillation device divides the internal space of the distillation tower into multiple areas through the partition plate, which is conducive to forming a multi-stage distillation effect and improving the separation efficiency and product purity of the waste oil. The steam holes allow steam to flow between the partition plates, promote the full contact and mixing of the waste oil and steam, and enhance the distillation effect. The stirring system can effectively stir and turn the waste oil in the partition plate to ensure uniform contact and mixing of the waste oil and steam.

[0020] 2. The waste oil regeneration distillation device, the setting of the purification box can effectively remove harmful substances in the gas generated during the distillation process, such as organic solvents, grease, etc., and the placement slot on the purification box also makes the installation and replacement of the purification plate very convenient, reducing the maintenance cost and time of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the separator plate of the utility model;

[0024] Figure 4 This is a schematic diagram of the internal structure of the purification box of the utility model.

[0025] In the figure: 1 distillation tower, 2 liquid inlet pipe, 3 support, 4 condenser, 501 outlet pipe 1, 502 outlet pipe 2, 6 purification box, 601 air inlet hole, 602 air outlet hole, 603 placement tank, 604 purification plate, 7 steam generator, 701 steam pipe, 8 bottom plate, 9 dispersion plate, 901 liquid outlet hole, 10 separation plate, 1001 steam hole, 1002 rotating ring, 1003 stirring bar, 1101 stirring shaft, 1102 motor. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0028] Embodiment 1:

[0029] A waste oil regeneration distillation device includes a distillation tower 1, and a condenser 4 is fixedly connected to the top of the distillation tower 1, which is used to cool the steam discharged from the top of the distillation tower 1 and condense it into liquid. A chassis 8 is fixedly connected to the bottom surface of the inner wall of the distillation tower 1, and a through hole is opened in the middle of the chassis 8, and a stirring shaft 1101 is rotatably connected to the through hole to provide stable support for the stirring shaft 1101 and ensure the smooth progress of the stirring process. It is convenient to collect the residues generated during the distillation process and keep the distillation tower 1 clean. Support members 3 are fixedly connected to the bottom of the distillation tower 1 around to increase the stability of the distillation tower and prevent it from tipping over or deforming. The weight of the distillation tower is dispersed to reduce the pressure on the ground. A distillation mechanism is arranged inside the distillation tower 1;

[0030] The distillation mechanism includes a dispersion unit and a heating unit;

[0031] The dispersion unit includes a liquid inlet pipe 2, a dispersion plate 9, a liquid outlet hole 901, a separator plate 10, a steam hole 1001, a rotating ring 1002, a stirring bar 1003, a stirring shaft 1101 and a motor 1102. One end of the liquid inlet pipe 2 passes through the left side of the distillation tower 1 and extends inward. The dispersion plate 9 is arranged at the other end of the liquid inlet pipe 2. The liquid outlet hole 901 is opened at the bottom of the dispersion plate 9. The separator plate 10 is fixedly connected to the bottom of the dispersion plate 9. The steam hole 1001 is opened at the bottom of the separator plate 10. A through hole is opened in the middle of the separator plate 10. There are three separator plates 10, and the outer side thereof is fixedly connected to the inner wall of the distillation tower 1, and each separator plate 10 is equidistantly connected to the inside of the distillation tower 1. The stirring shaft 1101 is rotatably connected to the inside of the through hole, and a rotating ring 1002 is arranged outside the through hole. The rotating ring 1002 is fixedly connected to the stirring shaft 1101. The output end of the motor 1102 is connected to the bottom of the stirring shaft 1101. The liquid inlet pipe 2 and the dispersion plate 9 ensure that the waste oil enters the distillation tower evenly. The separation plate 10 and the steam hole 1001 form a multi-stage distillation structure to improve the separation efficiency. The motor 1102 drives the stirring shaft 1101 to drive the stirring bar 1103 to rotate, ensuring that the waste oil and steam are fully mixed, and accelerating the distillation process;

[0032] The heating unit includes a steam generator 7 and a steam pipe 701. The steam generator 7 is arranged on the right side of the distillation tower 1. One end of the steam pipe 701 is fixedly connected to the outlet of the steam generator 7. The other end of the steam pipe 701 passes through the lower right side of the distillation tower 1 and extends inward to the bottom of the partition plate 10. The steam generator 7 generates stable steam to provide continuous heat for distillation. The steam pipe 701 introduces steam into the distillation tower 1 to ensure that the waste oil is distilled at a suitable temperature.

[0033] Embodiment 2:

[0034] On the basis of the first embodiment, an outlet pipe 501 is fixedly connected to the right side of the condenser 4, one end of the outlet pipe 501 is fixedly connected to the left wall of the purification box 6, an air inlet hole 601 is opened on the left wall of the purification box 6, one end of the outlet pipe 501 extends inward through the air inlet hole 601, and an air outlet hole 602 is opened on the right wall of the purification box 6, and an outlet pipe 2 502 is arranged at the air outlet hole 602. Placement slots 603 are respectively opened on the front and back of the purification box 6, and purification plates 604 are arranged inside the placement slots 603. There are two groups of placement slots 603, each group has two, which are respectively opened on both sides of the front and back of the purification box 6, and a purification plate 604 is arranged inside each placement slot 603. Activated carbon is arranged inside the purification plate 604 to effectively remove harmful substances in the gas and protect the environment. The activated carbon inside the purification plate 604 efficiently adsorbs harmful components to ensure the cleanliness of the exhaust gas.

[0035] Working principle: Start the steam generator 7, which generates stable steam, and introduces the steam into the distillation tower 1 through the steam pipe 701. The steam provides continuous heat for the distillation process, so that different components in the waste oil can be separated at a suitable temperature.

[0036] The waste oil is introduced into the distillation tower 1 through the liquid inlet pipe 2. The waste oil is introduced into the distillation tower 1 through the liquid inlet pipe 2. The waste oil is dispersed by the dispersion disk 9 and evenly distributed in the distillation tower through the liquid outlet hole 901. The separation disk 10 and the steam hole 1001 form a multi-stage distillation structure. The steam enters from the steam hole 1001 and fully contacts with the waste oil to promote the separation of different components. The motor 1102 drives the stirring shaft 1101 to rotate, driving the stirring bar 1103 to stir the waste oil, ensuring that the waste oil and steam are fully mixed, and improving the distillation efficiency.

[0037] The steam at the top of the distillation tower 1 is cooled by the condenser 4 and condensed into liquid for easy collection and treatment. The gas discharged from the condenser 4 enters the purification box 6 through the outlet pipe 1 501. The purification plate 604 in the purification box 6 purifies the gas and absorbs harmful gas components. The purified gas is discharged through the outlet pipe 2 502 to ensure the cleanliness of the exhaust gas.

[0038] Finally, the steam generator 7 and the motor 1102 are turned off, the regenerated oil and residue are checked and collected, and necessary cleaning and maintenance are performed on the equipment.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A waste oil regeneration and distillation device, comprising a distillation tower (1), characterized in that: A condenser (4) is fixedly connected to the top of the distillation tower (1), and a distillation mechanism is arranged inside the distillation tower (1); The distillation mechanism includes a dispersion unit and a heating unit; The dispersion unit comprises a liquid inlet pipe (2), a dispersion plate (9), a liquid outlet hole (901), a separation plate (10), a steam hole (1001), a rotating ring (1002), a stirring bar (1003), a stirring shaft (1101) and a motor (1102); one end of the liquid inlet pipe (2) passes through the left side of the distillation tower (1) and extends inward; the dispersion plate (9) is arranged at the other end of the liquid inlet pipe (2); and the liquid outlet hole (901) is opened at the bottom of the dispersion plate (9). The separation plate (10) is fixedly connected to the bottom of the dispersion plate (9); the steam hole (1001) is provided at the bottom of the separation plate (10); a through hole is provided in the middle of the separation plate (10); the stirring shaft (1101) is rotatably connected to the inside of the through hole; a rotating ring (1002) is provided on the outside of the through hole; the rotating ring (1002) is fixedly connected to the stirring shaft (1101); and the output end of the motor (1102) is connected to the bottom of the stirring shaft (1101); The heating unit comprises a steam generator (7) and a steam pipe (701), wherein the steam generator (7) is arranged on the right side of the distillation tower (1), one end of the steam pipe (701) is fixedly connected to the outlet of the steam generator (7), and the other end of the steam pipe (701) passes through the lower right side of the distillation tower (1) and extends inward to the bottom of the partition plate (10).

2. A waste oil regeneration and distillation device according to claim 1, characterized in that: There are three separation plates (10), the outer sides of which are fixedly connected to the inner wall of the distillation tower (1), and each separation plate (10) is equidistantly connected to the inside of the distillation tower (1).

3. A waste oil regeneration and distillation device according to claim 1, characterized in that: An air outlet pipe 1 (501) is fixedly connected to the right side of the condenser (4), one end of the air outlet pipe 1 (501) is fixedly connected to the left wall of the purification box (6), an air inlet hole (601) is provided on the left wall of the purification box (6), one end of the air outlet pipe 1 (501) extends inward through the air inlet hole (601), an air outlet hole (602) is provided on the right wall of the purification box (6), and an air outlet pipe 2 (502) is arranged at the air outlet hole (602).

4. A waste oil regeneration and distillation device according to claim 3, characterized in that: The front and back sides of the purification box (6) are respectively provided with placement grooves (603), and purification plates (604) are arranged inside the placement grooves (603).

5. A waste oil regeneration and distillation device according to claim 4, characterized in that: There are two groups of placement slots (603), each group having two slots, which are respectively opened on both sides of the front and back of the purification box (6). A purification plate (604) is arranged inside each placement slot (603).

6. A waste oil regeneration and distillation device according to claim 5, characterized in that: Activated carbon is arranged inside the purification plate (604).

7. The waste oil regeneration and distillation device according to claim 1, characterized in that: A chassis (8) is fixedly connected to the bottom surface of the inner wall of the distillation tower (1), a through hole is opened in the middle of the chassis (8), and a stirring shaft (1101) is rotatably connected to the through hole.

8. The waste oil regeneration and distillation device according to claim 1, characterized in that: Support members (3) are fixedly connected around the bottom of the distillation tower (1).

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