Lubricating oil filtering and recycling device

By designing a filtration device that is easy to clean and a lubricant filtration and recovery device that uses vacuum distillation technology, the problems of difficulty in cleaning and poor recycling of existing devices are solved, and efficient and stable lubricant recovery is achieved.

CN222534201UActive Publication Date: 2025-02-28HUBEI YOUHAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421130484.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-02-28
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The existing lubricating oil filtration and recovery devices are not easy to clean up the filtered impurities, and the recycling effect is poor.

Method used

A lubricating oil filtration and recovery device including a filter bucket and a reduced pressure distillation bin was designed to facilitate cleaning of impurities through the design of the frame and filter mesh, and to achieve efficient oil volatilization and sulfur removal by using a vacuum pump and evaporator to improve recovery effect.

Benefits of technology

The device is easy to clean filtered impurities, and the recycling effect is significantly improved. It can quickly evaporate lubricant at low temperatures, avoid thermal cracking, and ensure high yield and high quality recycling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lubricating oil filtering and recycling device which comprises a filtering hopper and a reduced pressure distillation bin, the filtering hopper is arranged at the upper end of the side portion of the reduced pressure distillation bin, a feeding pipe is connected between the lower end of the filtering hopper and the upper end of the side portion of the reduced pressure distillation bin, and an electric valve is arranged in the feeding pipe. A frame is arranged at the upper end of the interior of the filter hopper, a filter screen is arranged between the lower ends of the frame, clamping blocks are arranged at the two ends of the upper portion of the filter hopper, clamping grooves are formed in the two ends of the frame, the clamping blocks are connected with the clamping grooves in a clamped mode, handles are hinged to the two ends of the frame, and an evaporator is arranged at the bottom of the reduced pressure distillation bin. A supporting cover is arranged on the side portion of the reduced pressure distillation bin, and a vacuum pump is arranged in the supporting cover. According to the utility model, filtered impurities are easy to clean, and the recovery effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of lubricating oil filtering and recovering equipment, in particular to a lubricating oil filtering and recovering device. Background Art

[0002] Lubricating oil is a liquid or semi-solid lubricant used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. It mainly plays the roles of lubrication, auxiliary cooling, rust prevention, cleaning, sealing and buffering. Waste oil refers to waste lubricating oil replaced from various machinery, vehicles and ships. Lubricating oil is contaminated by the outside world during use and produces a large amount of colloid and oxide, which reduces or even loses its effectiveness and has to be replaced. The chlorine-containing, sulfur-containing, phosphorus-containing and other organic compounds in it are toxic, and many countries in the world list it as hazardous waste.

[0003] Conventional lubricating oil filtering and recovery devices have some disadvantages. First, it is not easy to clean the filtered impurities. Second, the recovery effect is not good. Utility Model Content

[0004] The purpose of the utility model is to provide a lubricating oil filtering and recovering device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lubricating oil filtering and recovery device, comprising a filter bucket and a vacuum distillation chamber, the filter bucket is arranged at the upper end of the side of the vacuum distillation chamber, a feed pipe is connected between the lower end of the filter bucket and the upper end of the side of the vacuum distillation chamber, and an electric valve is arranged in the feed pipe, a frame is arranged at the upper end of the interior of the filter bucket, and a filter screen is arranged between the lower ends of the frame, blocks are arranged at both ends of the upper part of the filter bucket, slots are arranged at both ends of the frame, and the block is clamped with the slot, and handles are hinged at both ends of the frame.

[0006] Preferably, an evaporator is provided at the bottom of the vacuum distillation chamber, a support cover is provided at the side of the vacuum distillation chamber, and a vacuum pump is provided inside the support cover.

[0007] Preferably, a catalytic bin is provided on the side of the vacuum distillation bin, a storage bin is provided on the upper end of the catalytic bin, and a connecting pipe is connected between the catalytic bin and the vacuum distillation bin.

[0008] Preferably, a protective cover is provided at the lower end of the side portion of the catalytic bin, and an extraction pump is provided inside the protective cover.

[0009] Preferably, one end of the extraction pump is connected to a derivation pipe, and the other end of the extraction pump is connected to a feed pipe.

[0010] Preferably, a filter tube is provided at the front of the catalytic bin, and one end of the filter tube is fixedly connected to one end of the feed introduction tube.

[0011] Preferably, a sealing ring is provided on the outside of one end of the filter tube, and the upper end and the lower end of the sealing ring are connected to ear plates.

[0012] Preferably, a positioning bolt is threadedly matched in the ear plate, and the positioning bolt is threadedly matched with the front portion of the catalytic bin.

[0013] Compared with the prior art, the utility model has the following beneficial effects: it is easy to clean the filtered impurities and has a good recycling effect;

[0014] (1) The frame can be placed in the filter bucket so that the block is engaged with the slot, and the slot limits the block, which is conducive to the stable placement of the filter. Therefore, the frame can be disassembled and assembled regularly, and the filter can be cleaned. In addition, the positioning bolts can be turned to separate the positioning bolts from the catalyst bin and the ear plate, and then the sealing ring can be removed from the catalyst bin, so that the filter tube can be separated from the catalyst bin together with the sealing ring. Therefore, the sealing ring can be cleaned and maintained regularly, and the filtered impurities can be easily cleaned.

[0015] (2) The vacuum pump extracts air from the vacuum distillation chamber to reduce the pressure until the vacuum distillation chamber reaches a high vacuum degree of 20 Pa to 30 Pa. Under the action of the evaporator, the oil product rapidly forms an oil film in the evaporator for many times. Therefore, the distillation temperature will not exceed 300 ° C, and it can evaporate quickly, avoiding thermal cracking and coking of the oil product and ensuring a high yield. At the same time, there are desulfurizers and catalysts in the storage bin. The desulfurizers and catalysts are added into the catalytic bin through the storage bin, which is beneficial to convert sulfides into hydrogen sulfide, thereby removing sulfur, improving the quality of waste lubricating oil, and achieving a good recovery effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the filter bucket and frame structure of the utility model;

[0019] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0020] Figure 5 This is a schematic diagram of the sealing ring and filter tube structure of the utility model;

[0021] In the figure: 1. filter screen; 2. filter bucket; 3. vacuum pump; 4. support cover; 5. evaporator; 6. vacuum distillation chamber; 7. connecting pipe; 8. storage chamber; 9. catalyst chamber; 10. filter tube; 11. feed pipe; 12. extraction pump; 13. protective cover; 14. outlet pipe; 15. frame; 16. handle; 17. slot; 18. block; 19. sealing ring; 20. ear plate; 21. positioning bolt; 22. electric valve; 23. feed pipe. DETAILED DESCRIPTION

[0022] 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. 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.

[0023] See also Figure 1-5 The utility model provides an embodiment: a lubricating oil filtering and recovery device, comprising a filter bucket 2 and a vacuum distillation chamber 6, the filter bucket 2 is arranged at the upper end of the side of the vacuum distillation chamber 6, a feed pipe 23 is connected between the lower end of the filter bucket 2 and the upper end of the side of the vacuum distillation chamber 6, and an electric valve 22 is arranged in the feed pipe 23, a frame 15 is arranged at the upper end of the filter bucket 2, and a filter screen 1 is arranged between the lower ends of the frame 15, a clamping block 18 is arranged at both ends of the upper part of the filter bucket 2, a clamping groove 17 is arranged at both ends of the frame 15, and the clamping block 18 is clamped with the clamping groove 17, and a handle 16 is hinged at both ends of the frame 15;

[0024] When in use, the frame 15 can be placed in the filter bucket 2, so that the block 18 is engaged with the slot 17, and the slot 17 limits the block 18, which is conducive to the stable placement of the filter 1. Then, the lubricating oil and waste oil can be put into the filter bucket 2 and roughly filtered on the filter 1. In this way, the frame 15 can be disassembled and assembled and the filter 1 can be cleaned regularly;

[0025] An evaporator 5 is provided at the bottom of the vacuum distillation chamber 6, a support cover 4 is provided at the side of the vacuum distillation chamber 6, and a vacuum pump 3 is provided inside the support cover 4;

[0026] When in use, the vacuum pump 3 extracts air from the vacuum distillation chamber 6 to reduce the pressure until the vacuum distillation chamber 6 is at a high vacuum degree of 20 Pa to 30 Pa. Under the action of the evaporator 5, the oil product forms an oil film in the evaporator multiple times and quickly, so that the distillation temperature will not exceed 300 ° C, and it can volatilize quickly, avoiding thermal cracking and coking of the oil product and ensuring a high yield;

[0027] A catalytic bin 9 is disposed on the side of the vacuum distillation bin 6, a storage bin 8 is disposed on the upper end of the catalytic bin 9, and a connecting pipe 7 is connected between the catalytic bin 9 and the vacuum distillation bin 6;

[0028] When in use, the storage bin 8 contains desulfurizer and catalyst, which are fed into the catalytic bin 9 through the storage bin 8, so as to convert sulfide into hydrogen sulfide, thereby removing sulfur and improving the quality of waste lubricating oil;

[0029] A protective cover 13 is provided at the lower end of the side of the catalytic bin 9, and an extraction pump 12 is provided inside the protective cover 13, one end of the extraction pump 12 is connected to a derivation pipe 14, and the other end of the extraction pump 12 is connected to a feed pipe 11, and a filter pipe 10 is provided at the front of the catalytic bin 9, and one end of the filter pipe 10 is fixedly connected to one end of the feed pipe 11;

[0030] When in use, multiple filter layers are distributed in the filter tube 10. Under the action of the extraction pump 12, the lubricating oil after the reaction in the catalytic chamber 9 is filtered out of impurities through the filter tube 10 and introduced into the feed pipe 11, and then introduced into the outlet pipe 14 through the feed pipe 11;

[0031] A sealing ring 19 is provided on the outside of one end of the filter tube 10, and the upper and lower ends of the sealing ring 19 are connected to ear plates 20, and a positioning bolt 21 is threadedly matched in the ear plate 20, and the positioning bolt 21 is threadedly matched with the front thread of the catalyst bin 9;

[0032] When in use, the positioning bolt 21 can be screwed to separate the positioning bolt 21 from the catalytic bin 9 and the ear plate 20, thereby causing the sealing ring 19 to fall off the catalytic bin 9, so that the filter tube 10 is separated from the catalytic bin 9 along with the sealing ring 19, thereby the sealing ring 19 can be cleaned and maintained regularly;

[0033] When the embodiment of the present application is in use: first, the frame 15 can be placed in the filter bucket 2, so that the block 18 is engaged with the slot 17, and the slot 17 limits the block 18, which is conducive to the stable placement of the filter screen 1. Therefore, the frame 15 can be disassembled and assembled regularly, and the filter screen 1 can be cleaned. In addition, the lubricating oil waste oil can be put into the filter bucket 2 and coarsely filtered on the filter screen 1. Subsequently, the vacuum pump 3 extracts air from the vacuum distillation chamber 6 to reduce the pressure until the vacuum distillation chamber 6 is at a high vacuum degree of 20 Pa to 30 Pa. Under the action of the evaporator 5, the oil product quickly forms an oil film in the evaporator for many times. Therefore, the distillation temperature will not exceed 300°C, and it can evaporate quickly, avoiding thermal cracking and coking of the oil product and ensuring a high yield. At the same time, there is a desulfurizer and a catalyst in the storage bin 8. The desulfurizing agent and the catalyst are added into the catalytic bin 9 through the storage bin 8, which is beneficial to converting the sulfide into hydrogen sulfide, and then removing sulfur, which is beneficial to improving the quality of the waste lubricating oil. In addition, multiple filter layers are distributed in the filter tube 10. Under the action of the extraction pump 12, the lubricating oil after the reaction in the catalytic bin 9 is filtered out of impurities through the filter tube 10, introduced into the feed pipe 11, and then introduced into the lead pipe 11 and the lead pipe 14. In addition, the positioning bolt 21 can be turned to make the positioning bolt 21 detach from the catalytic bin 9 and the ear plate 20, and then the sealing ring 19 can be fallen off from the catalytic bin 9, so that the filter tube 10 is detached from the catalytic bin 9 along with the sealing ring 19. Therefore, the sealing ring 19 can be cleaned and maintained regularly. In summary, the device is easy to clean the filtered impurities and has a good recovery effect.

Claims

1. A lubricating oil filtering and recovery device, characterized in that: The invention comprises a filter hopper (2) and a vacuum distillation chamber (6), wherein the filter hopper (2) is arranged at the upper end of the side of the vacuum distillation chamber (6), a feed pipe (23) is connected between the lower end of the filter hopper (2) and the upper end of the side of the vacuum distillation chamber (6), and an electric valve (22) is arranged in the feed pipe (23), a frame (15) is arranged at the upper end of the filter hopper (2), and a filter screen (1) is arranged between the lower ends of the frame (15), blocks (18) are arranged at both ends of the upper part of the filter hopper (2), slots (17) are arranged at both ends of the frame (15), and the blocks (18) are engaged with the slots (17), and handles (16) are hinged at both ends of the frame (15).

2. A lubricating oil filtering and recovery device according to claim 1, characterized in that: An evaporator (5) is arranged at the bottom of the vacuum distillation chamber (6), a support cover (4) is arranged on the side of the vacuum distillation chamber (6), and a vacuum pump (3) is arranged inside the support cover (4).

3. A lubricating oil filtering and recovery device according to claim 2, characterized in that: A catalytic bin (9) is arranged on the side of the vacuum distillation bin (6), a material storage bin (8) is arranged on the upper end of the catalytic bin (9), and a connecting pipe (7) is connected between the catalytic bin (9) and the vacuum distillation bin (6).

4. A lubricating oil filtering and recovery device according to claim 3, characterized in that: A protective cover (13) is provided at the lower end of the side of the catalytic bin (9), and an extraction pump (12) is provided inside the protective cover (13).

5. The lubricating oil filtering and recovery device according to claim 4, characterized in that: One end of the extraction pump (12) is connected to a delivery pipe (14), and the other end of the extraction pump (12) is connected to a feed pipe (11).

6. A lubricating oil filtering and recovery device according to claim 4, characterized in that: A filter tube (10) is provided at the front of the catalytic bin (9), and one end of the filter tube (10) is fixedly connected to one end of the feed introduction tube (11).

7. A lubricating oil filtering and recovery device according to claim 6, characterized in that: A sealing ring (19) is arranged outside one end of the filter tube (10), and the upper end and the lower end of the sealing ring (19) are both connected to ear plates (20).

8. The lubricating oil filtering and recovery device according to claim 7, characterized in that: The ear plate (20) is threadedly matched with a positioning bolt (21), and the positioning bolt (21) is threadedly matched with the front thread of the catalytic bin (9).