Waste oil multi-component separation device

Abstract

The utility model relates to the technical field of waste oil separation, and discloses a waste oil multi-component separation device which comprises a preheating box and a plurality of collecting tanks, the top of the left side of the preheating box is communicated with an oil inlet pipe, a plurality of electric heating rods are fixedly installed at the top of the preheating box at equal intervals, and the tail ends of the electric heating rods penetrate through the interior of the preheating box; and a conveying pump is fixedly installed on the right side of the preheating box, the input end of the conveying pump communicates with the bottom end of the right side of the preheating box, the output end of the conveying pump communicates with an oil supply pipe, and the output end of the oil supply pipe communicates with a separation tower. According to the utility model, the preheating box is used for heating to increase the oil temperature, then the separation tower is used for enabling the waste oil to sequentially flow through the sieve plates with gradually decreased aperture and inclination angles under the action of gravity, and particles with different particle sizes are respectively intercepted and fall, so that the efficient treatment of the waste lubricating oil is realized, the separation efficiency is greatly improved, the energy consumption is reduced, and the pollutant emission is reduced; and the waste oil resource is effectively recycled.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste oil separation technical field especially relates to a waste oil multi-component separation device. BACKGROUND

[0002] Lubricating oil is widely used in industrial production and transportation field equipment lubrication, with the long time operation and use of equipment, lubricating oil will gradually deteriorate metamorphism, form so-called waste lubricating oil, these waste lubricating oil contains the degradation product of base oil under high temperature, high pressure and oxidation condition, and the decomposition of metal debris, dust, moisture and additives mixed in the equipment operation process, the production amount of waste lubricating oil is huge, if not properly handled, not only will cause serious resource waste, also will have great pollution risk to the soil and water ecological environment, threatens the ecological balance and human health.

[0003] The existing waste lubricating oil separation device mainly separates different components in it through heating distillation to realize the resource utilization of waste oil, avoids the direct harm to the environment caused by direct discharge, however, due to the use of the oil tank in the processing process is relatively large, the existing heating device is difficult to realize the uniform heating of waste lubricating oil, leading to in the distillation process, part of the components with close boiling point cannot be accurately separated, so that the separation effect is greatly discounted, it is difficult to obtain high-purity recycled oil products, at the same time, in order to make up for the deficiency of separation effect, it is often necessary to maintain high distillation temperature and pressure for a long time, which undoubtedly greatly increases the energy consumption and improves the processing cost, and in the separation process, the existing device lacks effective pretreatment means for impurities and moisture contained in waste lubricating oil, these impurities are easy to accumulate in the distillation equipment, causing pipeline blockage and equipment corrosion, further reducing the separation efficiency and the reliability of the equipment, shortening the service life of the equipment, so as to meet the efficient, low-cost and environmental waste lubricating oil processing demand. UTILITARIAN CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a waste oil multi-component separation device, which aims at improving the problem that impurities are easy to accumulate in the distillation equipment, causing pipeline blockage and equipment corrosion, and reducing the separation efficiency in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of waste oil multi-component separation device, including preheating tank and multiple collection tanks, the left top of the preheating tank is communicated with oil inlet pipe, the top of the preheating tank is fixedly installed with multiple electric heating rods at equal intervals, the end of multiple electric heating rods is all penetrated in the inside of preheating tank, the right side of the preheating tank is fixedly installed with conveying pump, the input end of the conveying pump is communicated at the right side bottom end of preheating tank, the output end of the conveying pump is communicated with oil supply pipe, the output end of the oil supply pipe is communicated with separation tower, the output end of the oil supply pipe is communicated at the top of separation tower, the bottom of the separation tower is fixedly connected with temperature insulation plate, the inside of the separation tower is fixedly connected with multiple sieve plates at equal intervals, the top wall of multiple sieve plates is all opened with multiple screen holes at equal intervals, the screen hole aperture of the top wall of multiple sieve plates is gradually from big to small from top to bottom, multiple sieve plates are all designed with inclination, the bottom of multiple sieve plates is all communicated with discharge pipe, the bottom end of multiple discharge pipes is all penetrated in the right side bottom end of separation tower and is communicated with connecting pipe, multiple connecting pipes are communicated with multiple collection tanks respectively by cooling mechanism.

[0006] Through the above technical scheme: through oil inlet pipe, make lubricating oil enter preheating tank heating and promote oil temperature, then conveying pump is sent to preheating oil to separation tower, in separation tower, waste oil is subjected to gravity and successively flows through screen hole aperture gradually decreases and has the sieve plate of inclination, and different particle sizes are retained and fall respectively, realize the efficient treatment of waste lubricating oil, greatly improve the separation efficiency, reduce energy consumption, reduce pollution emission, make waste oil resources effectively recover and utilize.

[0007] As further description of the above technical scheme:

[0008] The cooling mechanism includes shell, two flat plate type cooling pipes are arranged in the inside of the shell, the left end of two flat plate type cooling pipes is communicated with each other, the top right end of the shell is fixedly installed with water injection valve, multiple heat dissipation pipes are arranged between the adjacent two flat plate type cooling pipes, the output end of multiple connecting pipes is respectively communicated in the left end of multiple heat dissipation pipes, the output end of multiple heat dissipation pipes is respectively communicated in the outer wall of multiple collection tanks, the bottom wall of the bottom flat plate type cooling pipe is fixedly connected with multiple radiating fins at equal intervals, multiple radiating fins are all penetrated in the bottom of the shell, and the front side of the shell is provided with flow assembly.

[0009] Through the above technical scheme: through water injection valve, water is injected into flat plate type cooling pipe, waste oil in heat dissipation pipe and cooling pipe heat exchange, radiating fin auxiliary heat dissipation, flow assembly optimization, realize the rapid, efficient cooling of waste oil, guarantee that each component of waste oil is effectively cooled, prevent mixing, improve separation quality, ensure that cooling system is stable operation simultaneously, improve the working efficiency of the whole device.

[0010] As further description of the above technical scheme:

[0011] The flow assembly comprises a flow water pump fixedly installed in the middle of the front side of the shell, an input end of the flow water pump is communicated with a conveying pipe, an input end of the conveying pipe is communicated with the front side of the bottom flat cooling pipe, and an output end of the flow water pump is communicated with a supply pipe, and an output end of the supply pipe is communicated with the front side of the top flat cooling pipe.

[0012] Through the above technical scheme: the flow assembly in the cooling mechanism constitutes a cooling water circulation system through the flow water pump, the conveying pipe and the supply pipe. When the flow water pump operates, the cooling water in the bottom flat cooling pipe can be extracted through the conveying pipe and then delivered to the top flat cooling pipe through the supply pipe, so that the cooling water continuously circulates and flows, accelerates heat transfer and improves cooling efficiency.

[0013] As a further description of the above technical scheme:

[0014] The top front side of the right end of the shell is fixedly connected with a control console, and a plurality of control buttons are fixedly installed on the top of the control console.

[0015] Through the above technical scheme: the control console and the plurality of control buttons thereon facilitate the operator to adjust the power of the electric heating rod and control the start and stop of the conveying pump, so as to realize precise operation and flexible control.

[0016] As a further description of the above technical scheme:

[0017] The top wall of the shell is fixedly connected with a temperature table at the middle of the front side, and the temperature table is electrically connected with the preheating box.

[0018] Through the above technical scheme: the temperature table is electrically connected with the preheating box, so that the temperature of the waste oil in the preheating box can be monitored in real time, accurate temperature data is provided for the operator, so as to timely adjust the heating state, ensure that the waste oil reaches the optimal separation temperature and guarantee the separation effect.

[0019] As a further description of the above technical scheme:

[0020] The middle of the oil inlet pipe is fixedly installed with a closing valve, and the outside of the closing valve is designed with anti-skid.

[0021] Through the above technical scheme: the closing valve on the oil inlet pipe can effectively control the process of waste oil entering the preheating box, the anti-skid design facilitates the operator to open and close the valve, realizes precise feeding control, avoids waste oil leakage and guarantees operation safety.

[0022] As a further description of the above technical scheme:

[0023] The bottom of the shell is fixedly connected with a supporting leg at each of the four corners, and the bottom end of each of the plurality of supporting legs is fixedly connected with an anti-skid pad.

[0024] Through the technical scheme, the supporting legs and the anti-skid pads at the bottom of the shell provide stable support for the whole device, prevent displacement of the device during operation, ensure stable operation of each component, reduce the risk of equipment damage caused by shaking or displacement, and improve the safety of equipment operation.

[0025] Further description of the technical scheme is as follows:

[0026] The bottom of each of the plurality of collection tanks is fixedly connected with a heat preservation pad, and the bottom four corners of each of the plurality of heat preservation pads are fixedly connected with a mounting rack.

[0027] Through the technical scheme, the heat preservation pad at the bottom of the collection tank can reduce heat loss of separated components in the collection tank and maintain the stable state thereof, and the mounting rack facilitates installation and fixation of the collection tank and makes the collection tank placed neatly and stably.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1. In the utility model, the lubricating oil enters the preheating box through the oil inlet pipe to heat and raise the oil temperature, and then the preheated oil is delivered to the separation tower by the delivery pump. In the separation tower, the waste oil flows through the sieve plate with decreasing hole diameter and an inclination angle in turn under the action of gravity, and different particle sizes are intercepted and fall, realizing efficient treatment of waste lubricating oil, greatly improving the separation efficiency, reducing energy consumption, reducing pollution emission, and effectively recycling waste oil resources.

[0030] 2. In the utility model, water is injected into the flat cooling pipe through the water injection valve, the waste oil in the radiator exchanges heat with the cooling pipe, the cooling fins assist in heat dissipation, the flow assembly is optimized, the waste oil is quickly and efficiently cooled, the effective cooling of each component of the waste oil is ensured, mixing is prevented, the separation quality is improved, the stable operation of the cooling system is ensured, and the working efficiency of the whole device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of a waste oil multi-component separation device is provided for the utility model;

[0032] Figure 2 A front view of a waste oil multi-component separation device is provided for the utility model;

[0033] Figure 3 A sectional view of a separation tower in a waste oil multi-component separation device is provided for the utility model;

[0034] Figure 4 A partial structure schematic view of a waste oil multi-component separation device is provided for the utility model;

[0035] Figure 5 AFigure 2 Enlarged view at A.

[0036] Legend:

[0037] 1, preheating box; 2, cooling mechanism; 201, shell; 202, flat plate type cooling pipe; 203, water injection valve; 204, heat dissipation pipe; 205, heat dissipation fin; 206, flow water pump; 207, conveying pipe; 208, supply pipe; 3, oil inlet pipe; 4, electric heating rod; 5, conveying pump; 6, oil supply pipe; 7, separation tower; 8, temperature insulation plate; 9, sieve plate; 10, sieve hole; 11, discharge pipe; 12, connecting pipe; 13, collection tank; 14, control console; 15, control button; 16, thermometer; 17, closing valve; 18, supporting leg; 19, non-slip pad; 20, heat preservation pad; 21, mounting rack. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] With reference to Figure 1 , Figure 2 and Figure 3 , an embodiment provided by the present application is as follows: a waste oil multi-component separation device, comprising a preheating box 1 and a plurality of collection tanks 13, the left side top of the preheating box 1 is communicated with an oil inlet pipe 3, a plurality of electric heating rods 4 are fixedly installed at the top of the preheating box 1 at equal intervals, the ends of the plurality of electric heating rods 4 all penetrate into the inside of the preheating box 1, a conveying pump 5 is fixedly installed at the right side of the preheating box 1, the input end of the conveying pump 5 is communicated at the right side bottom end of the preheating box 1, the output end of the conveying pump 5 is communicated with an oil supply pipe 6, the output end of the oil supply pipe 6 is communicated with a separation tower 7, the output end of the oil supply pipe 6 is communicated at the top of the separation tower 7, a temperature insulation plate 8 is fixedly connected at the bottom of the separation tower 7, a plurality of sieve plates 9 are fixedly connected at equal intervals in the inside of the separation tower 7, a plurality of sieve holes 10 are opened at equal intervals in the top wall of the top sieve plates 9, the sieve hole diameters of the sieve holes 10 opened in the top wall of the plurality of sieve plates 9 are successively from large to small from top to bottom, the plurality of sieve plates 9 are all designed with an inclination angle, the bottoms of the plurality of sieve plates 9 are all communicated with discharge pipes 11, the bottoms of the plurality of discharge pipes 11 all penetrate into the right side bottom end of the separation tower 7 and are communicated with connecting pipes 12, the plurality of connecting pipes 12 are respectively communicated with the plurality of collection tanks 13 through a cooling mechanism 2;

[0040] Specifically, the waste lubricating oil enters the preheating box 1 through the oil inlet pipe 3, and the multiple electric heating rods 4 installed equidistantly at the top of the preheating box 1 heat the waste oil, so that the temperature of the waste oil is increased to a suitable separation state. The electric heating rods 4 can uniformly transfer heat to the waste oil, ensuring the overall temperature of the waste oil to be increased. The preheated waste oil is conveyed to the top of the separation tower 7 through the oil supply pipe 6 under the action of the conveying pump 5. The heat insulation plate 8 at the bottom of the separation tower 7 is used to reduce heat loss and maintain temperature stability during the separation process. The waste oil entering the separation tower 7 starts to flow downward under the action of gravity. Multiple sieve plates 9 are arranged equidistantly inside the separation tower 7, and the top wall of each sieve plate 9 is provided with sieve holes 10. The hole diameters of the sieve holes 10 decrease from top to bottom, so that when the waste oil flows through the sieve plates 9, the particles with larger particle sizes are intercepted by the upper sieve plates 9, and the particles with smaller particle sizes continue to fall and are further separated by the lower sieve plates 9 with smaller hole diameters. The multiple sieve plates 9 are designed with an inclination angle, which helps the waste oil to flow better on the sieve plates 9, avoids particle accumulation, and improves the separation efficiency. The particles of different components intercepted by the multiple sieve plates 9 are discharged through the discharge pipes 11 connected to the bottom of the sieve plates 11. The bottom ends of the discharge pipes 11 penetrate through the right bottom end of the separation tower 7 and are connected to the cooling mechanism 2 through the connecting pipes 12. The cooling mechanism 2 rapidly cools the separated components to prevent them from mixing again. After cooling, the components flow into the corresponding collection tanks 13 through the connecting pipes 12, completing the separation process of the multiple components of the waste oil and realizing efficient and accurate separation of the multiple components of the waste lubricating oil, improving the separation efficiency, and reducing energy consumption and environmental pollution.

[0041] With reference to Figure 1 , Figure 2 and Figure 4 , the cooling mechanism 2 comprises an outer shell 201, two flat plate type cooling pipes 202 are arranged inside the outer shell 201, the left ends of the two flat plate type cooling pipes 202 are communicated with each other, a water inlet valve 203 is fixedly installed at the top right end of the outer shell 201, multiple heat dissipation pipes 204 are arranged between the adjacent flat plate type cooling pipes 202, the output ends of the multiple connecting pipes 12 are respectively communicated with the left ends of the multiple heat dissipation pipes 204, the output ends of the multiple heat dissipation pipes 204 are respectively communicated with the outer walls of the multiple collection tanks 13, multiple cooling fins 205 are fixedly connected to the bottom wall of the bottom flat plate type cooling pipe 202 equidistantly, the multiple cooling fins 205 penetrate through the bottom of the outer shell 201, and a flow assembly is arranged on the front side of the outer shell 201;

[0042] Specifically, when the preheated and separated waste oil components enter the cooling mechanism 2 through the connecting pipe 12, water can be injected into the two flat plate type cooling pipes 202 connected to each other through the water injection valve 203 at the top right end of the shell 201. The cooling water flows in the flat plate type cooling pipes 202, absorbs heat, thereby reducing the temperature of the entire cooling mechanism 2. A plurality of heat dissipation pipes 204 are arranged between the two flat plate type cooling pipes 202. The waste oil components from the connecting pipe 12 flow in the heat dissipation pipes 204. Since the heat dissipation pipes 204 are adjacent to the flat plate type cooling pipes 202 with lower temperature, the heat in the waste oil is quickly transferred to the cooling water in the flat plate type cooling pipes 202, achieving the cooling of the waste oil. The cooled waste oil flows from the output end of the heat dissipation pipes 204 into the corresponding collection tank 13. The plurality of heat dissipation fins 205 fixedly connected to the bottom wall of the bottom flat plate type cooling pipe 202 at equal intervals further enhance the heat dissipation effect. The heat dissipation fins 205 penetrate through the bottom of the shell 201 and contact the outside air, dissipating the heat in the flat plate type cooling pipes 202 to the surrounding environment, improving the cooling efficiency of the cooling water, thereby ensuring the continuous and effective cooling of the waste oil components. The flow assembly arranged on the front side of the shell 201 can further optimize the cooling process, make the cooling water in the flat plate type cooling pipes 202 cool faster, and thus improve the cooling performance of the entire cooling mechanism 2, ensuring that the waste oil components can be quickly and efficiently cooled to prevent re-mixing.

[0043] Referring to Figure 1 , Figure 2 and Figure 5 , the flow assembly includes a flow water pump 206 fixedly installed on the front side of the shell 201. The input end of the flow water pump 206 is communicated with a delivery pipe 207, the input end of the delivery pipe 207 is communicated on the front side of the bottom flat plate type cooling pipe 202. The output end of the flow water pump 206 is communicated with a supply pipe 208, the output end of the supply pipe 208 is communicated on the front side of the top flat plate type cooling pipe 202. The top of the control console 14 is fixedly installed with a plurality of control buttons 15. The front side of the top wall of the shell 201 is fixedly connected with a thermometer 16, and the thermometer 16 is electrically connected with the preheating tank 1. The middle of the oil inlet pipe 3 is fixedly installed with a closed valve 17, and the outside of the closed valve 17 is designed with anti-skid. The bottom of the shell 201 is fixedly connected with a plurality of legs 18, and the bottom of the plurality of legs 18 is fixedly connected with an anti-skid pad 19. The bottom of the plurality of collection tanks 13 is fixedly connected with a plurality of heat preservation pads 20, and the bottom of the plurality of heat preservation pads 20 is fixedly connected with a mounting bracket 21.

[0044] Specifically, the flow assembly in the cooling mechanism 2 constitutes a cooling water circulation system through the flow water pump 206, the conveying pipe 207 and the supply pipe 208. When the flow water pump 206 operates, the cooling water in the bottom flat plate type cooling pipe 202 can be extracted through the conveying pipe 207 and then delivered to the top flat plate type cooling pipe 202 through the supply pipe 208, so that the cooling water continuously circulates and flows, accelerates heat transfer and improves cooling efficiency. The console 14 and the plurality of control buttons 15 thereon facilitate the operator to adjust the power of the electric heating rod 4 and control the start and stop of the conveying pump 5, so as to realize precise operation and flexible control. The temperature meter 16 is electrically connected with the preheating tank 1, so as to monitor the temperature of the waste oil in the preheating tank 1 in real time and provide accurate temperature data for the operator, so as to timely adjust the heating state, ensure that the waste oil reaches the optimal separation temperature and guarantee the separation effect. The closed valve 17 on the oil inlet pipe 3 can effectively control the process of the waste oil entering the preheating tank 1, the anti-skid design facilitates the operator to open and close the valve, realizes precise feeding control, avoids waste oil leakage and guarantees operation safety. The supporting legs 18 and the anti-skid pads 19 at the bottom of the shell 201 provide stable support for the whole device, prevent the device from moving during operation, ensure stable operation of each component, reduce the risk of equipment damage caused by shaking or displacement and improve equipment operation safety. The heat preservation pads 20 and the mounting frames 21 at the bottom of the collection tank 13 can reduce heat loss of the separated components in the collection tank 13 and maintain the stable state of the collection tank 13. The mounting frames 21 facilitate the installation and fixation of the collection tank 13, so that the collection tank 13 is placed neatly and stably.

[0045] Working principle: The waste lubricating oil enters the preheating tank 1 through the oil inlet pipe 3, the plurality of electric heating rods 4 installed equidistantly at the top of the preheating tank 1 heat the waste oil, so that the temperature of the waste oil is increased to a suitable separation state. The electric heating rods 4 can uniformly transfer heat to the waste oil, so as to ensure the overall temperature of the waste oil is increased. The preheated waste oil is delivered to the top of the separation tower 7 through the oil supply pipe 6 under the action of the conveying pump 5. The heat insulation plate 8 at the bottom of the separation tower 7 is used to reduce heat loss and maintain temperature stability during the separation process. The waste oil entering the separation tower 7 starts to flow downward under the action of gravity. The top walls of the plurality of sieve plates 9 arranged equidistantly in the separation tower 7 are each provided with sieve holes 10, and the diameters of the sieve holes 10 gradually decrease from top to bottom, so that when the waste oil flows through the sieve plates 9, the particles with large particle size are intercepted by the upper sieve plates 9, and the particles with small particle size continue to fall and are further separated by the lower sieve plates 9 with smaller diameters. The plurality of sieve plates 9 are designed with an inclination, which is helpful for the waste oil to flow better on the sieve plates 9, avoids particle accumulation and improves separation efficiency. The particles of different components intercepted by the sieve plates 9 are discharged through the discharge pipes 11 connected to the bottoms of the sieve plates 9. The bottom ends of the discharge pipes 11 penetrate through the right bottom end of the separation tower 7 and are connected to the cooling mechanism 2 through the connecting pipes 12. The cooling mechanism 2 rapidly cools the separated components to prevent them from mixing again. After cooling, the components flow into the corresponding collection tanks 13 through the connecting pipes 12.

[0046] And, when the preheated and separated waste oil components enter the cooling mechanism 2 through the connecting pipe 12, water injection valve 203 at the top right end of the shell 201 can inject cooling water into the two mutually connected flat cooling pipes 202, the cooling water flows in the flat cooling pipes 202 and absorbs heat, thereby reducing the temperature of the entire cooling mechanism 2, a plurality of heat dissipation pipes 204 are arranged between the two flat cooling pipes 202, the waste oil components from the connecting pipe 12 flow in the heat dissipation pipes 204, and since the heat dissipation pipes 204 are adjacent to the flat cooling pipes 202 with lower temperature, the heat in the waste oil is quickly transferred to the cooling water in the flat cooling pipes 202, achieving the cooling of the waste oil, and the cooled waste oil flows into the corresponding collection tank 13 from the output end of the heat dissipation pipe 204, the plurality of heat dissipation fins 205 fixedly connected to the bottom wall of the bottom flat cooling pipe 202 at equal intervals further enhance the heat dissipation effect, the heat dissipation fins 205 penetrate through the bottom of the shell 201 and contact with the outside air, dissipating the heat in the flat cooling pipes 202 to the surrounding environment, improving the cooling efficiency of the cooling water, thereby ensuring the continuous and effective cooling of the waste oil components.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A waste oil multi-component separation device comprising a preheating tank (1) and a plurality of collection tanks (13), characterized in that: The left top of the preheating box (1) is communicated with an oil inlet pipe (3), a plurality of electric heating rods (4) are equidistantly and fixedly installed on the top of the preheating box (1), the ends of the electric heating rods (4) all penetrate into the preheating box (1), a delivery pump (5) is fixedly installed on the right side of the preheating box (1), the input end of the delivery pump (5) is communicated with the right bottom end of the preheating box (1), the output end of the delivery pump (5) is communicated with an oil supply pipe (6), the output end of the oil supply pipe (6) is communicated with a separation tower (7), the output end of the oil supply pipe (6) is communicated with the top of the separation tower (7), the bottom of the separation tower (7) is fixedly connected with a heat insulation plate (8), a plurality of sieve plates (9) are equidistantly and fixedly connected in the separation tower (7), a plurality of sieve holes (10) are equidistantly formed in the top wall of the top sieve plates (9), the sieve holes (10) formed in the top wall of the sieve plates (9) are in size from large to small from top to bottom, the sieve plates (9) are all designed with an inclination angle, the bottoms of the sieve plates (9) are all communicated with discharge pipes (11), the bottoms of the discharge pipes (11) all penetrate into the right bottom end of the separation tower (7) and are communicated with connecting pipes (12), the connecting pipes (12) are all communicated with a plurality of collection tanks (13) through a cooling mechanism (2).

2. The multi-component separation apparatus for waste oil according to claim 1, characterized in that: The cooling mechanism (2) comprises an outer shell (201), two flat plate type cooling pipes (202) are arranged in the outer shell (201), the left ends of the flat plate type cooling pipes (202) are communicated with each other, a water injection valve (203) is fixedly installed on the top right end of the outer shell (201), a plurality of heat dissipation pipes (204) are arranged between the adjacent flat plate type cooling pipes (202), the output ends of the connecting pipes (12) are respectively communicated with the left ends of the heat dissipation pipes (204), the output ends of the heat dissipation pipes (204) are respectively communicated with the outer walls of the collection tanks (13), a plurality of heat dissipation fins (205) are equidistantly and fixedly connected to the bottom wall of the bottom flat plate type cooling pipe (202), the heat dissipation fins (205) all penetrate into the bottom of the outer shell (201), and a flow assembly is arranged on the front side of the outer shell (201).

3. A multi-component waste oil separation apparatus according to claim 2, wherein: The flow assembly comprises a flow water pump (206), the flow water pump (206) is fixedly installed on the front middle of the outer shell (201), the input end of the flow water pump (206) is communicated with a delivery pipe (207), the input end of the delivery pipe (207) is communicated with the front side of the bottom flat plate type cooling pipe (202), the output end of the flow water pump (206) is communicated with a supply pipe (208), and the output end of the supply pipe (208) is communicated with the front side of the top flat plate type cooling pipe (202).

4. The multi-component waste oil separation apparatus of claim 2, wherein: A control console (14) is fixedly connected to the top front right side of the outer shell (201), a plurality of control buttons (15) are fixedly installed on the top of the control console (14).

5. The multi-component waste oil separation apparatus of claim 2, wherein: A temperature table (16) is fixedly connected to the top front side of the outer shell (201), and the temperature table (16) is electrically connected with the preheating box (1).

6. The multi-component waste oil separation apparatus of claim 1, wherein: The middle part of the oil inlet pipe (3) is fixedly provided with a closing valve (17), and the outer part of the closing valve (17) is provided with an anti-skid design.

7. The waste oil multi-component separation device of claim 2, wherein: The bottom of the shell (201) is fixedly connected with four supporting legs (18), and the bottom of each supporting leg (18) is fixedly connected with an anti-skid pad (19).

8. The multi-component waste oil separation apparatus of claim 1, wherein: The bottom of each collecting tank (13) is fixedly connected with a heat preservation pad (20), and the bottom of each heat preservation pad (20) is fixedly connected with a mounting rack (21).

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