CN113500071A - Oil drum residual oil liquid collecting device and using method thereof - Google Patents
Oil drum residual oil liquid collecting device and using method thereof Download PDFInfo
- Publication number
- CN113500071A CN113500071A CN202110633681.5A CN202110633681A CN113500071A CN 113500071 A CN113500071 A CN 113500071A CN 202110633681 A CN202110633681 A CN 202110633681A CN 113500071 A CN113500071 A CN 113500071A
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- Prior art keywords
- oil
- collecting
- barrel
- engine oil
- collection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/083—Removing scrap from containers, e.g. removing labels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
- B08B9/30—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking and having conveyors
Abstract
The invention discloses a device for collecting residual oil in an engine oil barrel, which comprises an operating platform, an engine oil collecting assembly and an engine oil barrel cleaning assembly, wherein the engine oil collecting assembly and the engine oil barrel cleaning assembly are respectively arranged at two sides in the operating platform, the engine oil collecting assembly comprises a collecting box, an oil suction assembly and a lifting assembly, two groups of electric sliding tables are symmetrically arranged on the upper surface of the operating platform, the lifting assembly is fixedly arranged on the two groups of electric sliding tables, the lifting assembly comprises two groups of cylinders and two groups of top blocks, the top blocks are in threaded connection with telescopic rod ends of the cylinders, one side of each top block is elastically connected with a first arc-shaped plate, the oil suction assembly comprises an air suction fan and an oil collection box, the oil collection pipe is arranged in a coil pipe structure, an oil collection pipe with the air suction fan is arranged in the collection barrel, the oil collection pipe can be driven to rotate by a motor, and except for inverted collection, the hanging oil on the wall of the engine oil cylinder is collected through high pressure, and the collection efficiency of the residual oil is improved.
Description
Technical Field
The invention relates to the technical field of book borrowing, in particular to an oil drum residual oil collecting device and a using method of the oil drum residual oil collecting device.
Background
The engine oil can play roles in lubrication, wear reduction, auxiliary cooling, sealing, leakage prevention, rust prevention, corrosion prevention, shock absorption, buffering and the like for the engine. Is known as the 'blood' of the automobile. At present, most automobiles go to a 4S store for maintenance, the maintained empty engine oil barrel is generally processed by the 4S store, the previous 4S store directly recovers the empty engine oil barrel, the engine oil remained in the empty engine oil barrel cannot be recycled, and the part of the engine oil which is not recovered is too little to cause serious resource waste;
and the engine oil drum which does not recover residual oil is not convenient to clean, certain restriction exists on subsequent recovery and reutilization, and the efficiency of manpower cleaning or mechanical cleaning is reduced.
Disclosure of Invention
The invention aims to provide a device for collecting residual oil in an oil barrel and a using method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the device for collecting the residual oil in the oil drum comprises an operation table, an oil collecting assembly and an oil drum cleaning assembly, wherein the oil collecting assembly and the oil drum cleaning assembly are respectively arranged on two sides in the operation table;
the engine oil collecting assembly comprises a collecting box, an oil absorption assembly and a lifting assembly, two groups of electric sliding tables are symmetrically arranged on the upper surface of the operating platform, the lifting assembly is fixedly arranged on the two groups of electric sliding tables, the lifting assembly comprises two groups of cylinders and two groups of ejector blocks, the ejector blocks are in threaded connection with the telescopic rod ends of the cylinders, and one side of each ejector block is elastically connected with a first arc-shaped plate;
the oil absorption assembly comprises an air suction fan and an oil collection box, four groups of oil collection pipes are annularly and equidistantly arrayed at the top of the oil collection box, the oil collection pipes are arranged in a serpentine pipe structure and are fixedly communicated with the oil collection box, the air suction fan is fixedly arranged at the bottom of the collection box, the oil collection box is fixedly communicated with an air inlet of the air suction fan through a pipeline, the surface of the pipeline is in transmission connection with a motor, and a filter plate is fixedly arranged at the pipe orifice of the oil collection pipe;
the machine oil barrel cleaning assembly comprises a cleaning box and a water pump, and a water outlet of the water pump is fixedly communicated with a high-pressure nozzle through a water pipe.
Preferably, pulleys are fixedly mounted at four corners of the bottoms of the collecting box and the cleaning box, one end of the pipeline, away from the air suction fan, penetrates through the collecting box and extends into the collecting box, and a sealing ring is fixedly mounted at the position, located at the penetrating position of the pipeline, of the bottom of the collecting box.
Preferably, a first synchronous pulley is fixedly mounted on the surface of one end of the pipeline, a second synchronous pulley is fixedly mounted on the output shaft of the motor, the first synchronous pulley and the second synchronous pulley are connected through synchronous belt transmission, and an oil baffle plate is fixedly mounted above the first synchronous pulley and the second synchronous pulley.
Preferably, a bulge is arranged in the central position of the bottom of the oil collecting box, an oil discharge pipe is fixedly communicated with one side of the bulge, the height of the bottom plane of the oil discharge pipe is higher than that of the oil baffle plate, and the height difference is 5-10 mm.
Preferably, a second arc-shaped plate is fixedly mounted on the upper surface of the ejecting block, springs are symmetrically and fixedly connected between the second arc-shaped plate and the first arc-shaped plate, and telescopic rods penetrate through the springs.
Preferably, two sets of fixed mounting has the connecting plate on the slider of electronic slip table, the through-hole that is used for the engine oil drum to run through is offered to the position placed in the middle in the connecting plate, cylinder fixed mounting is in connecting plate upper surface and symmetry in through-hole both sides.
Preferably, the water pump is fixedly installed on one side of the operating platform, and the high-pressure nozzle is arranged in a rotary nozzle structure.
Preferably, the operation panel includes platform and four groups of landing legs of fixed mounting in the platform bottom surface, the waist type logical groove has been seted up to the platform internal bit between two sets of electronic slip tables, the collecting box with wash the case.
The invention also provides a use method of the device for collecting the residual oil in the oil barrel, which comprises the following steps:
s1: inverting and clamping the engine oil barrel, namely inverting the engine oil barrel with residual oil, placing the engine oil barrel between the two groups of first arc-shaped plates, and clamping and fixing the engine oil barrel by utilizing the acting force of a spring, so that the barrel opening of the engine oil barrel is completely immersed into the opening of the collecting box, and four groups of oil collecting pipes are ensured to extend into the engine oil barrel;
s2: starting oil collection, after the engine oil barrel is inverted, the residual liquid begins to flow into the collection box, and simultaneously starting an air suction fan and a motor, after the air suction fan is started, a pipe orifice of an oil collection pipe begins to adsorb the barrel wall of the engine oil barrel, and simultaneously the motor drives a pipeline to rotate and simultaneously drives four groups of oil collection pipes to rotate, so that the adsorption area of the oil collection pipes is increased, and the recovery rate of residual waste liquid is accelerated;
s3: cleaning an oil drum, after a certain time, collecting residual oil, starting an air cylinder, lifting the oil drum, completely separating the oil drum from a collecting pipe, starting an electric sliding table to drive the oil drum to be right above a cleaning tank, returning a telescopic rod of the air cylinder, starting a water pump, and enabling a high-pressure spray head to spray water in the oil drum in a rotating manner, so that the cleaning effect and efficiency of the oil drum are improved;
s4: recovering residual oil, respectively pulling the collecting box and the cleaning box out of an operation table, purifying the recovered engine oil in the collecting box, canning and warehousing;
s5: and recovering the engine oil barrel, starting the air cylinder to lift the engine oil barrel, separating the engine oil barrel from the high-pressure spray head, lifting the engine oil barrel until the engine oil barrel is completely separated from the first arc-shaped plate, and recovering the engine oil barrel.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the oil collecting pipe with the air suction fan is arranged in the collecting barrel, and the oil collecting pipe can be driven to rotate by the motor, so that the hanging oil on the wall of the engine oil barrel is collected by high pressure except for inverted collection, and the collection efficiency of the residual oil is improved;
2. according to the invention, the engine oil collecting assembly and the engine oil barrel cleaning assembly are respectively arranged in the operating platform, the engine oil barrel is moved to the upper part of the cleaning tank after residual oil is collected, and the engine oil barrel is cleaned and recycled by using the high-pressure rotating spray head, so that resources are saved.
Drawings
FIG. 1 is a schematic sectional view of the present invention in a front view;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the transmission structure of the pipe in the collecting box of the present invention;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a schematic diagram of the top view of the arrangement of the oil collecting box and the oil collecting pipe of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 1 according to the present invention;
fig. 7 is a schematic sectional view of the oil collecting pipe of the present invention.
In the figure: 1. an operation table; 101. a platform; 102. a support leg; 2. an engine oil collection assembly; 3. an engine oil drum cleaning assembly; 301. a cleaning tank; 302. a water pump; 303. a high pressure spray head; 4. a collection box; 5. an oil absorption assembly; 501. an air suction fan; 502. an oil collecting box; 503. an oil collecting pipe; 6. a lifting assembly; 601. a cylinder; 602. a top block; 603. a first arc-shaped plate; 7. an electric sliding table; 8. a pipeline; 9. a motor; 10. a first timing pulley; 11. a second timing pulley; 12. a protrusion; 13. an oil discharge pipe; 14. a second arc-shaped plate; 15. a spring; 16. a connecting plate; 17. a through hole; 18. a waist-shaped through groove; 19. a filter disc; 20. oil baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a device for collecting residual oil in an oil drum comprises an operation table 1, an oil collecting assembly 2 and an oil drum cleaning assembly 3, wherein the oil collecting assembly 2 and the oil drum cleaning assembly 3 are respectively arranged on two sides in the operation table 1;
the engine oil collecting assembly 2 comprises a collecting box 4, an oil absorption assembly 5 and a lifting assembly 6, two groups of electric sliding tables 7 are symmetrically arranged on the upper surface of the operating platform 1, the lifting assembly 6 is fixedly arranged on the two groups of electric sliding tables 7, the lifting assembly 6 comprises two groups of cylinders 601 and two groups of ejector blocks 602, the ejector blocks 602 are in threaded connection with telescopic rod ends of the cylinders 601, and one side of each ejector block 602 is elastically connected with a first arc-shaped plate 603;
the oil absorption assembly 5 comprises an air suction fan 501 and an oil collection box 502, four sets of oil collection pipes 503 are annularly and equidistantly arrayed on the top of the oil collection box 502, the oil collection pipes 503 are arranged in a serpentine pipe structure, the oil collection pipes 503 are fixedly communicated with the oil collection box 502, the air suction fan 501 is fixedly arranged at the bottom of the collection box 4, the oil collection box 502 is fixedly communicated with an air inlet of the air suction fan 501 through a pipeline 8, the surface of the pipeline 8 is in transmission connection with a motor 9, and a filter plate 19 is fixedly arranged at the pipe orifice of the oil collection pipe 503;
the engine oil barrel cleaning assembly 3 comprises a cleaning tank 301 and a water pump 302, and a water outlet of the water pump 302 is fixedly communicated with a high-pressure spray head 303 through a water pipe.
Specifically, the four corners of the bottoms of the collecting box 4 and the cleaning box 301 are fixedly provided with pulleys, one end of the pipeline 8, far away from the air suction fan 501, penetrates through the collecting box 4 and extends into the collecting box 4, and the bottom of the collecting box 4 is fixedly provided with a sealing ring at the penetrating position of the pipeline 8.
Specifically, 8 one end fixed surface of pipeline installs first synchronous pulley 10, the output shaft end fixed mounting of motor 9 has second synchronous pulley 11, first synchronous pulley 10 and second synchronous pulley 11 pass through synchronous belt drive and connect, first synchronous pulley 10 and 11 top fixed mounting of second synchronous pulley have the oil baffle.
Specifically, a protrusion 12 is arranged in the central position of the bottom of the oil collecting box 502, an oil discharge pipe 13 is fixedly communicated with one side of the protrusion 12, the height of the bottom plane of the oil discharge pipe 13 is higher than that of the oil baffle plate, and the height difference is 5-10 mm.
Specifically, fixed surface installs second arc 14 on kicking block 602, symmetry and fixedly connected with spring 15 between second arc 14 and the first arc 603, run through in the spring 15 and install the telescopic link.
Specifically, two sets of fixed mounting has connecting plate 16 on the slider of electronic slip table 7, the through-hole 17 that is used for the engine oil drum to run through is offered to the position placed in the middle in connecting plate 16, cylinder 601 fixed mounting is in connecting plate 16 upper surface and symmetry 17 both sides in the through-hole.
Specifically, the water pump 302 is fixedly installed on one side of the operating platform 1, and the high-pressure nozzle 303 is arranged in a rotary nozzle structure.
Specifically, the operating platform 1 comprises a platform 101 and four groups of supporting legs 102 fixedly mounted on the bottom surface of the platform 101, a waist-shaped through groove 18 is formed in the platform 101 between two groups of electric sliding tables 7, and the collecting box 4 and the cleaning box 301 are arranged.
The invention also provides a use method of the device for collecting the residual oil in the oil barrel, which comprises the following steps:
s1: inverting and clamping the engine oil barrel, namely inverting the engine oil barrel with residual oil, placing the engine oil barrel between the two groups of first arc-shaped plates 603, clamping and fixing the engine oil barrel by utilizing the acting force of the spring 15, completely immersing the barrel mouth of the engine oil barrel into the opening of the collecting box 4, and ensuring that the four groups of oil collecting pipes 503 extend into the engine oil barrel;
s2: starting oil collection, after the engine oil barrel is inverted, residual liquid begins to flow into the collection box 4, the air suction fan 501 and the motor 9 are started at the same time, after the air suction fan 501 is started, the pipe orifice of the oil collection pipe 503 begins to adsorb the barrel wall of the engine oil barrel, meanwhile, the motor 9 drives the pipeline 8 to rotate, and meanwhile, the four groups of oil collection pipes 503 are driven to rotate, so that the adsorption area of the oil collection pipes 503 is increased, and the recovery rate of residual waste liquid is accelerated;
s3: cleaning an oil drum, after a certain time, collecting residual oil, starting the air cylinder 601, lifting the oil drum, completely separating the oil drum from the oil collecting pipe 503, starting the electric sliding table 7 to drive the oil drum to be right above the cleaning tank 301, returning the telescopic rod of the air cylinder 601, starting the water pump 302, enabling the high-pressure spray head 303 to spray water in the oil drum in a rotating manner, and improving the cleaning effect and efficiency on the oil drum;
s4: recovering residual oil, respectively pulling the collecting box 4 and the cleaning box 301 out of the operating table 1, purifying the recovered oil in the collecting box 4, canning and warehousing;
s5: and recovering the oil drum, starting the air cylinder 601 to lift the oil drum to separate the oil drum from the high-pressure spray nozzle 303, and pulling the oil drum to be completely separated from the first arc-shaped plate 603 to recover the oil drum.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an engine oil barrel residual oil liquid collection device, includes operation panel (1), machine oil collection subassembly (2) and machine oil barrel cleaning assembly (3), its characterized in that: the engine oil collecting assembly (2) and the engine oil barrel cleaning assembly (3) are respectively arranged on two sides in the operating platform (1);
the engine oil collecting assembly (2) comprises a collecting box (4), an oil absorption assembly (5) and a lifting assembly (6), two groups of electric sliding tables (7) are symmetrically arranged on the upper surface of the operating platform (1), the lifting assembly (6) is fixedly arranged on the two groups of electric sliding tables (7), the lifting assembly (6) comprises two groups of cylinders (601) and two groups of ejector blocks (602), the ejector blocks (602) are in threaded connection with telescopic rod ends of the cylinders (601), and one side of each ejector block (602) is elastically connected with a first arc-shaped plate (603);
the oil absorption assembly (5) comprises an air suction fan (501) and an oil collection box (502), four oil collection pipes (503) are annularly arranged at the top of the oil collection box (502) in an equidistant array, the oil collection pipes (503) are arranged in a serpentine pipe structure, the oil collection pipes (503) are fixedly communicated with the oil collection box (502), the air suction fan (501) is fixedly arranged at the bottom of the collection box (4), the oil collection box (502) is fixedly communicated with an air inlet of the air suction fan (501) through a pipeline (8), the surface of the pipeline (8) is in transmission connection with a motor (9), and a filter plate (19) is fixedly arranged at the opening of the oil collection pipe (503);
the machine oil barrel cleaning assembly (3) comprises a cleaning box (301) and a water pump (302), and a water outlet of the water pump (302) is fixedly communicated with a high-pressure spray head (303) through a water pipe.
2. The device for collecting residual oil in an engine oil barrel according to claim 1, is characterized in that: the cleaning device is characterized in that pulleys are fixedly mounted at four corners of the bottoms of the collecting box (4) and the cleaning box (301), one end, away from the air suction fan (501), of the pipeline (8) penetrates through the collecting box (4) and extends into the collecting box (4), and a sealing ring is fixedly mounted at the penetrating position of the pipeline (8) at the bottom of the collecting box (4).
3. The device for collecting residual oil in an engine oil barrel according to claim 1, is characterized in that: pipeline (8) one end fixed surface installs first synchronous pulley (10), the output shaft fixed mounting of motor (9) has second synchronous pulley (11), first synchronous pulley (10) and second synchronous pulley (11) are connected through synchronous belt drive, first synchronous pulley (10) and second synchronous pulley (11) top fixed mounting have oil baffle (20).
4. The device for collecting residual oil in an engine oil barrel according to claim 1, is characterized in that: the oil collecting box (502) is provided with a bulge (12) in the middle of the bottom, one side of the bulge (12) is fixedly communicated with an oil discharge pipe (13), the bottom plane of the oil discharge pipe (13) is higher than the oil baffle, and the height difference is 5-10 mm.
5. The device for collecting residual oil in an engine oil barrel according to claim 1, is characterized in that: fixed surface installs second arc (14) on kicking block (602), symmetry and fixedly connected with spring (15) between second arc (14) and first arc (603), run through in spring (15) and install the telescopic link.
6. The device for collecting residual oil in an engine oil barrel according to claim 1, is characterized in that: two sets of fixed mounting has connecting plate (16) on the slider of electronic slip table (7), through-hole (17) that are used for the engine oil drum to run through are offered to position placed in the middle in connecting plate (16), cylinder (601) fixed mounting is in connecting plate (16) upper surface and symmetry in through-hole (17) both sides.
7. The device for collecting residual oil in an engine oil barrel according to claim 1, is characterized in that: the water pump (302) is fixedly arranged on one side of the operating platform (1), and the high-pressure spray head (303) is arranged in a rotary spray head structure.
8. The device for collecting residual oil in an engine oil barrel according to claim 1, is characterized in that: the operation panel (1) includes platform (101) and four groups of landing legs (102) of fixed mounting in platform (101) bottom surface, waist type logical groove (18) have been seted up to lie in between two sets of electronic slip tables (7) in platform (101), collecting box (4) and washing case (301).
9. The use method of the oil drum residual oil collecting device according to claim 1, characterized in that: the method comprises the following steps:
s1: inverting and clamping the engine oil barrel, namely inverting the engine oil barrel with residual oil, placing the engine oil barrel between the two groups of first arc-shaped plates (603), and clamping and fixing the engine oil barrel by using the acting force of a spring (15), so that the barrel mouth of the engine oil barrel is completely immersed into the opening of the collecting box (4), and the four groups of oil collecting pipes (503) are ensured to extend into the engine oil barrel;
s2: starting oil collection, after the engine oil barrel is inverted, residual liquid begins to flow into the collection box (4), the air suction fan (501) and the motor (9) are started, after the air suction fan (501) is started, the pipe orifice of the oil collection pipe (503) begins to adsorb the barrel wall of the engine oil barrel, meanwhile, the motor (9) drives the pipeline (8) to rotate, and meanwhile, four groups of oil collection pipes (503) are driven to rotate, so that the adsorption area of the oil collection pipes (503) is increased, and the recovery rate of residual waste liquid is accelerated;
s3: cleaning an oil drum, after a certain time, collecting residual oil, starting an air cylinder (601), lifting the oil drum, completely separating the oil drum from an oil collecting pipe (503), starting an electric sliding table (7) to drive the oil drum to be right above a cleaning tank (301), returning a telescopic rod of the air cylinder (601), starting a water pump (302), enabling a high-pressure spray nozzle (303) to spray water in the oil drum in a rotating manner, and improving the cleaning effect and efficiency in the oil drum;
s4: recovering residual oil, respectively pulling the collecting box (4) and the cleaning box (301) out of the operating table (1), purifying the recovered engine oil in the collecting box (4), canning and warehousing;
s5: and recovering the oil drum, starting the air cylinder (601) to lift the oil drum to separate the oil drum from the high-pressure spray head (303), and pulling the oil drum to be completely separated from the first arc-shaped plate (603) to recover the oil drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633681.5A CN113500071A (en) | 2021-06-07 | 2021-06-07 | Oil drum residual oil liquid collecting device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633681.5A CN113500071A (en) | 2021-06-07 | 2021-06-07 | Oil drum residual oil liquid collecting device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113500071A true CN113500071A (en) | 2021-10-15 |
Family
ID=78009410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110633681.5A Withdrawn CN113500071A (en) | 2021-06-07 | 2021-06-07 | Oil drum residual oil liquid collecting device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113500071A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976574A (en) * | 2021-10-29 | 2022-01-28 | 徐州阿马凯液压技术有限公司 | Overturning oil control system and method suitable for hydraulic multi-way valve |
| CN114147042A (en) * | 2021-11-30 | 2022-03-08 | 广东中检源检测有限公司 | Hazardous waste treatment device and treatment method for motor vehicle maintenance |
-
2021
- 2021-06-07 CN CN202110633681.5A patent/CN113500071A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976574A (en) * | 2021-10-29 | 2022-01-28 | 徐州阿马凯液压技术有限公司 | Overturning oil control system and method suitable for hydraulic multi-way valve |
| CN114147042A (en) * | 2021-11-30 | 2022-03-08 | 广东中检源检测有限公司 | Hazardous waste treatment device and treatment method for motor vehicle maintenance |
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Application publication date: 20211015 |