A method of testing a lubrication system for steel cord testing

Abstract

The application discloses a kind of steel cord test lubricating system's trial method, including circulation system, including machine back liquid tank, horizontal sedimentation tank, primary back liquid circulation tank, vertical sedimentation tank, secondary back liquid circulation tank, paper tape filter, copper precipitator, filtrate tank, plate heat exchanger, wet drawing machine, by closing eleventh to fourteenth valve in circulation system And liquid level balance port form horizontal sedimentation tank+vertical sedimentation tank operating system or by closing third, fourth, fifth, seventh, thirteenth, fourteenth valve in circulation system form horizontal sedimentation tank operating system or by closing first, second, third, sixth, eleventh, twelfth, liquid level balance port Form vertical sedimentation tank operating system to lubricating liquid is tested. Other brands of lubricating liquid can be tested, reduce test cost, if test is successful, more cost-effective lubricating liquid can be used, reduce production cost, no need to invest new equipment in trial process.

Description

Technical Field

[0001] This invention relates to a technical method for selecting lubricating oil for steel cords, and more specifically to a trial method for a lubrication system used in steel cord testing. Background Technology

[0002] Steel cord is a strand or rope of fine steel wires with a brass-plated surface, made of high-quality high-carbon steel and with special uses. It is mainly used as a skeleton material for passenger car tires, light truck tires, heavy truck tires, construction machinery tires, aircraft tires, and other rubber products. Radial tires made with steel cord as the skeleton material have advantages such as long service life, puncture resistance, good elasticity, safety, and comfort, leading to a sharp increase in demand for radial tires in the automotive industry, which in turn promotes the development of the steel cord industry.

[0003] The production of steel cord is divided into several stages: large and medium drawing, copper plating, and wet drawing. The wet drawing stage is the key process, requiring a large amount of lubricant to complete the drawing process. The main functions of the lubricant are cooling, reducing friction and wear, preventing scratches and cracks on the steel cord surface to ensure quality, and improving its adhesion to rubber. However, there are many brands of lubricants on the market, and the lubrication effects of lubricants from different manufacturers vary, resulting in inconsistent steel cord surface quality and adhesion to rubber. This often leads to a dull steel cord surface and defects such as wire breakage and shrinkage during the drawing process.

[0004] Currently, there are few lubricants on the market with relatively good overall performance, and their prices tend to be high. Other lubricants, although cheaper, may have problems such as poor lubricity and extreme pressure anti-wear properties, high wire breakage rate, and low and unstable adhesion between the drawn steel wire and rubber. Steel cord manufacturers generally use large-scale lubrication systems for production, and the cost of trying other lubricants would be too high. Therefore, steel cord manufacturers rarely change lubricant brands, which leads to the inability to effectively verify newly developed lubricants.

[0005] To address the aforementioned issues, this invention proposes a trial method for a lubrication system used in steel cord testing. This method allows for testing other lubricants, reducing testing costs. If the test is successful, a more cost-effective lubricant can be used, further reducing production costs. Simultaneously, it enables effective testing of newly developed lubricants, promoting the development of lubricants. Summary of the Invention

[0006] This invention addresses the problems existing in the prior art by proposing a trial method for a lubrication system used in steel cord testing. This method allows for testing of lubricants from other brands, reducing testing costs. If the test is successful, a more cost-effective lubricant can be used, further reducing production costs. The trial process does not require the investment of new equipment.

[0007] The technical solution adopted in this invention is: a lubrication system for testing steel cord, comprising: The circulation system includes a machine return liquid tank, a horizontal sedimentation tank, a primary return liquid circulation tank, a vertical sedimentation tank, a secondary return liquid circulation tank, a paper tape filter, a copper precipitator, a filtrate tank, a plate heat exchanger, and a wet drawing machine. The machine return liquid tank is connected to the horizontal sedimentation tank via a first pipeline, on which a first valve is installed. The high-level overflow port on the horizontal sedimentation tank is connected to the primary return liquid circulation tank via a second pipeline, on which a second valve is installed. The primary return liquid circulation tank is connected to the vertical sedimentation tank via a third pipeline, on which a third valve is installed. The high-level overflow port on the vertical sedimentation tank is connected to the secondary return liquid circulation tank via a fourth pipeline, on which a fourth valve is installed. The secondary return liquid circulation tank is connected to the plate heat exchanger via a fifth pipeline, on which a fifth valve is installed. The plate heat exchanger is connected to the wet drawing machine via a main supply pipe. The wet drawing machine is connected to the machine return liquid tank via a return liquid main pipe. The primary return liquid circulation tank is connected to the copper precipitator via a sixth pipeline. A sixth valve is installed on the pipeline. The high-level overflow port of the vertical sedimentation tank is connected to the paper tape filter through the seventh pipeline. A seventh valve is installed on the seventh pipeline. The paper tape filter and copper precipitator are connected to the filtrate tank through the eighth and ninth pipelines. The eighth and ninth pipelines are equipped with corresponding eighth and ninth valves. The filtrate tank is connected to the plate heat exchanger through the tenth pipeline. A tenth valve is installed on the tenth pipeline. The primary return liquid circulation tank and the plate heat exchanger are connected through the eleventh pipeline. An eleventh valve is installed on the eleventh pipeline. The primary return liquid circulation tank and the copper precipitator are connected through the twelfth pipeline. A twelfth valve is installed on the twelfth pipeline. A liquid level balance port is provided between the primary return liquid circulation tank and the secondary return liquid circulation tank. The machine return liquid tank and the vertical sedimentation tank are connected through the thirteenth pipeline. A thirteenth valve is installed on the thirteenth pipeline. The vertical sedimentation tank and the copper precipitator are connected through the fourteenth pipeline. A fourteenth valve is installed on the fourteenth pipeline. In use, a horizontal sedimentation tank + vertical sedimentation tank operating system can be formed by closing valves 11 to 14 in the circulation system and the liquid level balance port, or a horizontal sedimentation tank operating system can be formed by closing valves 3, 4, 5, 7, 13, and 14 in the circulation system, or a vertical sedimentation tank operating system can be formed by closing valves 1, 2, 3, 6, 11, 12, and the liquid level balance port in the circulation system.

[0008] Based on the above scheme, as a preferred option, the horizontal sedimentation tank and copper precipitator are connected to the waste liquid tank through the fifteenth and sixteenth pipelines.

[0009] Based on the above scheme, as a preferred option, when operating the horizontal sedimentation tank + vertical sedimentation tank system, the machine return tank transfer pump sends the lubricating fluid in the machine return tank into the horizontal sedimentation tank through the first pipeline. The lubricating fluid separated by sedimentation in the horizontal sedimentation tank is sent to the primary return circulation tank through the second pipeline. The primary return circulation tank transfer pump sends the lubricating fluid into the vertical sedimentation tank and copper precipitator through the third and sixth pipelines. The lubricating fluid separated in the vertical sedimentation tank flows into the secondary return circulation tank and paper tape filter through the fourth and seventh pipelines, and is then sent into the paper tape filter. After filtration, the lubricating fluid in the filter is discharged into the filtrate tank through the eighth pipeline. The lubricating fluid sent to the copper precipitator is discharged into the filtrate tank through the ninth pipeline after copper removal. The lubricating fluid separated in the filtrate tank is sent to the secondary return circulation tank through the tenth pipeline by the filtrate pump. The secondary return circulation tank transfer pump sends the lubricating fluid in the secondary return circulation tank to the plate heat exchanger through the fifth pipeline for cooling. The cooled lubricating fluid is sent to the wet drawing machine through the main supply pipe. The lubricating fluid in the wet drawing machine is sent to the machine return tank through the return pipe, forming a circulation of the entire lubrication system.

[0010] Based on the above scheme, as a preferred option, when operating the horizontal sedimentation tank system, the machine return tank transfer pump sends the lubricating fluid from the machine return tank into the horizontal sedimentation tank through the first pipeline. The lubricating fluid separated by sedimentation in the horizontal sedimentation tank is sent to the primary return circulation tank through the second pipeline. The primary return circulation tank transfer pump sends the lubricating fluid into the copper precipitator, paper tape filter, and plate heat exchanger through the sixth, twelfth, and eleventh pipelines. The lubricating fluid entering the copper precipitator and paper tape filter flows into the filtrate tank after filtration. The filtrate transfer pump sends the lubricating fluid in the filtrate tank into the secondary return circulation tank through the tenth pipeline. The secondary return circulation tank sends the lubricating fluid into the primary return circulation tank through the liquid level balance port. The lubricating fluid sent into the plate heat exchanger is cooled and then sent to the main supply pipe. Through the main supply pipe, it is sent to the wet drawing machine. The lubricating fluid in the wet drawing machine is sent back to the machine return tank through the return pipe, forming a circulation of the entire lubrication system.

[0011] Based on the above scheme, as a preferred option, when operating the vertical settling tank system, the machine return tank transfer pump sends the lubricating fluid from the machine return tank into the vertical settling tank through the thirteenth pipeline. The lubricating fluid separated in the vertical settling tank flows into the secondary return circulation tank, paper tape filter, and copper precipitator through the fourth, seventh, and fourteenth pipelines. After further filtration, the lubricating fluid in the paper tape filter and copper precipitator flows into the filtrate tank. The filtrate pump sends the lubricating fluid in the filtrate tank into the secondary return circulation tank through the tenth pipeline. The secondary return circulation tank sends the lubricating fluid into the plate heat exchanger for cooling through the fifth pipeline. The cooled lubricating fluid is then sent into the wet drawing machine through the main supply pipeline. The lubricating fluid in the wet drawing machine is sent back to the machine return tank through the main return pipeline, forming a circulation of the entire lubrication system.

[0012] Based on the above scheme, as a preferred embodiment, the secondary return fluid circulation tank is connected to the new fluid system for periodically adding new lubricating fluid to its interior. The new fluid system includes a new fluid preparation tank, a new fluid storage tank, and a new fluid metering tank. The new fluid preparation tank is used to prepare new lubricating fluid, which is then pumped into the new fluid storage tank by a new fluid pump. The new lubricating fluid in the new fluid storage tank is then transferred to the new fluid metering tank via a level difference. The new fluid metering tank is connected to the secondary return fluid circulation tank, which periodically adds new lubricating fluid to the secondary return fluid circulation tank.

[0013] Based on the above scheme, as a preferred option, when the liquid level in the new liquid preparation tank is too low or the liquid level in the new liquid storage tank is too high, the new liquid pump will stop working, and the new liquid storage tank will be equipped with a new liquid outlet at the bottom, which will be sent into the new liquid metering tank through the liquid level difference.

[0014] Based on the above scheme, as a preferred option, a pressure relief valve is installed at the end of the main supply pipe, and the end of the pressure relief valve pipeline is connected to the return pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. This invention can be used to test other brands of lubricants, reducing testing costs. If the test is successful, a more cost-effective lubricant can be used, reducing production costs. 2. This invention can effectively test newly developed lubricants, thus promoting the development of lubricants; 3. This invention can realize three operating modes: horizontal sedimentation tank + vertical sedimentation tank, horizontal sedimentation tank or vertical sedimentation tank. It can be used to test the sedimentation effect of impurities and copper powder in lubricating fluid and determine the sedimentation scheme with the best sedimentation effect and the lowest cost. 4. The waste liquid discharge pipe of the horizontal sedimentation tank has a slope of 0.1% to 0.5%, which reduces the maintenance cost of pipe blockage in the later stage; 5. The waste liquid discharge pipe of the copper precipitator is directly introduced into the trench, which can avoid the pipe blockage caused by excessive pipe length and at the same time reduce the investment cost of copper precipitator waste liquid discharge. 6. A liquid level balance port is provided between the primary return liquid circulation tank and the secondary return liquid circulation tank to avoid the situation where the liquid levels of the two circulation tanks are unbalanced; 7. A pressure relief valve is installed at the end of the main supply pipe to prevent the lubricant from overflowing or splashing out of the wet drawing machine due to excessive flow and velocity. At the same time, the end of the pressure relief valve is connected to the return pipe to speed up the return speed and prevent the lubricant from overflowing from the wet drawing machine due to slow return flow. 8. When using the horizontal sedimentation tank + vertical sedimentation tank operation mode, the inlet pipe of the paper belt filter is connected to the overflow port of the vertical sedimentation tank. Since the lubricating fluid has undergone two sedimentation processes, the usage time of the paper belt filter paper can be reduced, the amount of filter paper used can be reduced, and thus the cost can be reduced. 9. The outlet of the horizontal sedimentation tank adopts a high-level overflow outlet, which improves the separation effect of lubricating fluid with impurities and particles such as copper powder. 10. The horizontal sedimentation tank is equipped with a sedimentation optimization zone. When the sedimentation effect of the lubricating fluid in the horizontal sedimentation tank is not good, stainless steel can be inserted into the Y-shaped bayonet to form an isolation zone that can block impurities and copper powder particles from continuing to flow to the outlet, thereby further improving the separation effect of the lubricating fluid from impurities and copper powder particles. Attached Figure Description

[0016] Figure 1 This is a flowchart of the present invention.

[0017] Figure 2 This is a flowchart of the operation system of a horizontal sedimentation tank + vertical sedimentation vessel; Figure 3 This is a flowchart of the horizontal sedimentation tank operation system; Figure 4 This is a flowchart of the vertical settling tank operating system. Detailed Implementation

[0018] The present invention will be further illustrated by the following examples, but the scope of the present invention is not limited thereto.

[0019] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0020] like Figure 1-4 As shown, a trial method for a lubrication system used in testing steel cord includes: The circulation system includes a machine return tank 1, a horizontal sedimentation tank 2, a primary return circulation tank 3, a vertical sedimentation tank 4, a secondary return circulation tank 5, a paper tape filter 6, a copper precipitator 7, a filtrate tank 8, a plate heat exchanger 9, and a wet drawing machine 10. The machine return tank is connected to the horizontal sedimentation tank via a first pipeline 11, on which a first valve 12 is installed. The high-level overflow port on the horizontal sedimentation tank is connected to the primary return circulation tank via a second pipeline 13, on which a second valve 14 is installed. The primary return circulation tank is connected to the secondary return circulation tank via a third pipeline 10. Pipeline 15 connects to the vertical settling tank. A third valve 16 is installed on the third pipe. The high-level overflow port of the vertical settling tank is connected to the secondary return liquid circulation tank via the fourth pipe 17. A fourth valve 18 is installed on the fourth pipe. The secondary return liquid circulation tank is connected to the plate heat exchanger via the fifth pipe 19. A fifth valve 20 is installed on the fifth pipe. The plate heat exchanger is connected to the wet drawing machine via the main supply pipe 21. The wet drawing machine is connected to the machine's return liquid tank via the return liquid main pipe 22. The primary return liquid circulation tank is connected to the copper settling tank via the sixth pipe 23. A sixth valve 24 is installed on the pipeline. The high-level overflow port of the vertical sedimentation tank is connected to the paper tape filter through the seventh pipeline 25. A seventh valve 26 is installed on the seventh pipeline. The paper tape filter and the copper precipitator are connected to the filtrate tank through the eighth pipeline 27 and the ninth pipeline 28. The eighth valve 29 and the ninth valve 30 are installed on the eighth and ninth pipelines, respectively. The filtrate tank is connected to the plate heat exchanger through the tenth pipeline 31. A tenth valve 32 is installed on the tenth pipeline. The primary return liquid circulation tank and the plate heat exchanger are connected through the eleventh pipeline 33. An eleventh valve 34 is installed on the eleventh pipeline. The primary return liquid circulation tank and the paper tape filter are connected through the twelfth pipeline 35. A twelfth valve 36 is installed on the twelfth pipeline. A liquid level balance port is provided between the primary return liquid circulation tank and the secondary return liquid circulation tank. The machine return liquid tank and the vertical sedimentation tank are connected through the thirteenth pipeline 37. A thirteenth valve 38 is installed on the thirteenth pipeline. The vertical sedimentation tank and the copper precipitator are connected through the fourteenth pipeline 39. A fourteenth valve 40 is installed on the fourteenth pipeline. In use, a horizontal sedimentation tank + vertical sedimentation tank operating system can be formed by closing valves 11 to 14 in the circulation system and the liquid level balance port, or a horizontal sedimentation tank operating system can be formed by closing valves 3, 4, 5, 7, 13, and 14 in the circulation system, or a vertical sedimentation tank operating system can be formed by closing valves 1, 2, 3, 6, 11, 12, and the liquid level balance port in the circulation system.

[0021] The horizontal sedimentation tank and copper precipitator are connected to the waste liquid tank 41 via the fifteenth and sixteenth pipelines.

[0022] The secondary return fluid circulation tank is connected to the new fluid system for periodically adding new lubricating fluid to its interior. The new fluid system includes a new fluid preparation tank, a new fluid storage tank, and a new fluid metering tank. The new fluid preparation tank is used to prepare new lubricating fluid, which is then pumped into the new fluid storage tank by a new fluid pump. The new lubricating fluid in the new fluid storage tank is then transferred to the new fluid metering tank via a level difference. The new fluid metering tank is connected to the secondary return fluid circulation tank, which periodically adds new lubricating fluid to the secondary return fluid circulation tank.

[0023] When the liquid level in the new liquid preparation tank is too low or the liquid level in the new liquid storage tank is too high, the new liquid pump will stop working. The new liquid storage tank has a new liquid outlet at the bottom, which is sent into the new liquid metering tank through the liquid level difference.

[0024] A pressure relief valve 42 is installed at the end of the main supply pipe. The end of the pressure relief valve pipe is connected to the return pipe to prevent the lubricant from overflowing or splashing out of the wet drawing machine due to excessive flow and velocity. The end of the pressure relief valve pipe is connected to the return pipe to speed up the return speed and prevent the lubricant from overflowing in the wet drawing machine due to slow return flow.

[0025] The horizontal sedimentation tank has two tanks, one for standby and one for operation. The valve outside the drain hopper of the operating horizontal sedimentation tank is open, while the valve of the standby tank is closed. A scraper periodically scrapes impurities and particles such as copper powder settled in the horizontal sedimentation tank slowly to the drain hopper. Simultaneously, the pneumatic valve above the waste liquid metering tank opens, discharging the waste lubricating fluid containing impurities and copper powder into the waste liquid metering tank through a waste liquid pipe. A level sensor is installed above the waste liquid metering tank. When the waste liquid reaches the sensor's level, the pneumatic valves outside the drain hopper and above the waste liquid metering tank close, while the pneumatic valve below the waste liquid metering tank opens, discharging the waste lubricating fluid into a waste liquid tank. Waste liquid from the vertical sedimentation tank is pumped to the waste liquid treatment station via a bottom-mounted vertical sedimentation tank waste liquid transfer pump. Waste liquid from the copper precipitator is discharged directly into a ditch through a bottom copper precipitator drain pipe, from where it is then transferred to a waste liquid tank.

[0026] According to process requirements, this invention can realize three operating modes: horizontal sedimentation tank + vertical sedimentation tank operating system, horizontal sedimentation tank operating system, and vertical operating system.

[0027] In a horizontal sedimentation tank + vertical sedimentation tank operating system, such as Figure 2As shown, the machine's return tank pump delivers lubricating fluid into a horizontal settling tank. After separation from impurities and copper powder in the horizontal settling tank, the lubricating fluid is sent to a primary return circulation tank via a high-level overflow port. The primary return circulation tank pump then delivers the lubricating fluid to a vertical settling tank and a copper settling device. In the vertical settling tank, the lubricating fluid is further separated from impurities and copper powder before flowing into a secondary return circulation tank and a paper belt filter via a high-level overflow port. After filtration, the lubricating fluid in the paper belt filter is directly discharged into the filtrate. The lubricating fluid fed into the copper precipitator, after copper removal, is directly discharged into the filtrate tank. The lubricating fluid in the filtrate tank is then pumped into the secondary return circulation tank. The secondary return circulation tank's transfer pump sends the lubricating fluid to a plate heat exchanger for cooling. The cooled lubricating fluid is then sent to the wet drawing machines through the main supply pipe. The lubricating fluid in the wet drawing machines flows through their respective overflow ports into their respective branch pipes, which in turn flow into the return main pipe. From there, the lubricating fluid is sent to the machine's return tank, forming a complete circulation system. The fresh lubricating fluid system adds fresh lubricating fluid to the secondary return circulation tank periodically based on its various parameters. The waste fluid discharge system discharges a portion of the lubricating fluid to the waste fluid tank periodically and quantitatively based on its various parameters, ensuring that all lubricating fluid parameters are within the optimal range and guaranteeing the continuous operation of the horizontal sedimentation tank + vertical sedimentation tank system.

[0028] In the operation system of a horizontal sedimentation tank, such as Figure 3 As shown, the machine's return liquid tank transfer pump sends the lubricating fluid into a horizontal sedimentation tank. After the lubricating fluid in the horizontal sedimentation tank is separated from impurities and copper powder particles, it is sent to the primary return liquid circulation tank through the high-level overflow port of the horizontal sedimentation tank. The primary return liquid circulation tank transfer pump sends the lubricating fluid into a copper precipitator, a paper tape filter, and a plate heat exchanger. The lubricating fluid entering the copper precipitator and the paper tape filter flows into the filtrate tank after filtration. The filtrate transfer pump sends the lubricating fluid in the filtrate tank into the secondary return liquid circulation tank. The secondary return liquid circulation tank sends the lubricating fluid into the primary return liquid circulation tank through the liquid level balance port between the primary and secondary return liquid circulation tanks. The lubricating fluid sent into the plate heat exchanger is cooled and then sent to the main supply pipe. Through the main supply pipe, it is sent to the wet drawing machines. The lubricating fluid in the wet drawing machines flows into their respective branch pipes through their respective overflow ports. Each branch pipe flows into the return liquid main pipe, and through the return liquid main pipe, the lubricating fluid is sent back to the machine's return liquid tank, forming a circulation of the entire lubrication system. The new fluid system adds new lubricating fluid to the secondary return circulation tank at regular intervals based on the various indicators of the lubricating fluid. The waste fluid discharge system discharges a portion of the lubricating fluid to the waste fluid tank at regular intervals and in measured quantities based on the various indicators of the lubricating fluid, ensuring that all indicators of the lubricating fluid are within the optimal range, so as to ensure the continuous operation of the horizontal sedimentation tank + vertical sedimentation tank system.

[0029] In the vertical settling tank operating system, such as Figure 4As shown, the machine's return liquid tank delivery pump directly sends the lubricating fluid into the vertical settling tank. After the lubricating fluid in the vertical settling tank is separated from impurities and copper powder particles, it flows through the high-level overflow port of the vertical settling tank into the secondary return liquid circulation tank, paper tape filter, and copper precipitator. The lubricating fluid in the paper tape filter and copper precipitator is further filtered and then flows into the filtrate tank. The filtrate pump sends the lubricating fluid in the filtrate tank into the secondary return liquid circulation tank. The secondary return liquid circulation tank sends the lubricating fluid into the plate heat exchanger for cooling. The cooled lubricating fluid is then sent to the wet drawing machine through the main supply pipe. The lubricating fluid in the wet drawing machine flows into its respective branch pipe through the overflow port of each wet drawing machine. Each branch pipe flows into the return liquid main pipe with a 0.3% slope, and the lubricating fluid is sent back to the machine's return liquid tank through the return liquid main pipe, forming a circulation of the entire lubrication system. The new fluid system adds new lubricating fluid to the secondary return circulation tank at regular intervals based on the various indicators of the lubricating fluid. The waste fluid discharge system discharges a portion of the lubricating fluid to the waste fluid tank at regular intervals and in measured quantities based on the various indicators of the lubricating fluid, ensuring that all indicators of the lubricating fluid are within the optimal range, so as to ensure the continuous operation of the horizontal sedimentation tank + vertical sedimentation tank system.

[0030] In the technical solution of this application, the horizontal sedimentation tank is divided into an inlet buffer zone, a sedimentation zone for impurities and particles such as copper powder, and a sedimentation optimization zone.

[0031] The sedimentation optimization zone has Y-shaped slots on both sides of the pool wall. When the sedimentation effect of horizontal sedimentation is not good, stainless steel can be inserted into the Y-shaped slots to form an isolation zone that can block impurities and copper powder particles from continuing to flow to the outlet.

[0032] There are two horizontal sedimentation tanks, one for backup and one for use. The backup tank also serves as a temporary storage tank when cleaning equipment.

[0033] The inlet pipe of the vertical sedimentation tank is located in the lower middle part of the tank body, and a buffer device is provided at the end of the inlet pipe.

[0034] The waste liquid discharge pipe of the horizontal sedimentation tank has a slope of 0.1% to 0.5% flowing to the waste liquid metering tank.

[0035] The lubricating fluid in the wet drawing machine flows through the overflow port to the return manifold with a 0.3% slope.

[0036] It should be noted that the embodiments described above are only for explaining the present invention and do not constitute any limitation on the present invention. The present invention has been described with reference to typical embodiments, but it should be understood that the words used therein are descriptive and explanatory terms, not limiting terms. Modifications can be made to the present invention within the scope of the claims, and revisions can be made to the present invention without departing from the scope and spirit of the present invention. Although the present invention described herein relates to specific methods, materials, and embodiments, it does not mean that the present invention is limited to the specific examples disclosed herein; on the contrary, the present invention can be extended to all other methods and applications with the same function.

Claims

1. A trial method for a lubrication system used in testing steel cord, characterized in that, The system includes a circulation system comprising a machine return tank, a horizontal sedimentation tank, a primary return circulation tank, a vertical sedimentation tank, a secondary return circulation tank, a paper tape filter, a copper precipitator, a filtrate tank, a plate heat exchanger, and a wet drawing machine. The machine return tank is connected to the horizontal sedimentation tank via a first pipeline, on which a first valve is installed. The high-level overflow port of the horizontal sedimentation tank is connected to the primary return circulation tank via a second pipeline, on which a second valve is installed. The primary return circulation tank is connected to the vertical sedimentation tank via a third pipeline, on which a third valve is installed. The high-level overflow port of the vertical sedimentation tank is connected to the secondary return circulation tank via a fourth pipeline, on which a fourth valve is installed. The secondary return circulation tank is connected to the plate heat exchanger via a fifth pipeline, on which a fifth valve is installed. The plate heat exchanger is connected to the wet drawing machine via a main supply pipe. The wet drawing machine is connected to the machine return tank via a return pipe. The primary return circulation tank is connected to the copper precipitator via a sixth pipeline, on which a sixth valve is installed. The high-level overflow port of the sedimentation tank is connected to the paper tape filter through the seventh pipeline, and the seventh valve is installed on the seventh pipeline. The paper tape filter and the copper precipitator are connected to the filtrate tank through the eighth and ninth pipelines, and the corresponding eighth and ninth valves are installed on the eighth and ninth pipelines. The filtrate tank is connected to the plate heat exchanger through the tenth pipeline, and the tenth valve is installed on the tenth pipeline. The primary return liquid circulation tank and the plate heat exchanger are connected through the eleventh pipeline, and the eleventh valve is installed on the eleventh pipeline. The primary return liquid circulation tank and the copper precipitator are connected through the twelfth pipeline, and the twelfth valve is installed on the twelfth pipeline. A liquid level balance port is provided between the primary return liquid circulation tank and the secondary return liquid circulation tank. The machine return liquid tank and the vertical sedimentation tank are connected through the thirteenth pipeline, and the thirteenth valve is installed on the thirteenth pipeline. The vertical sedimentation tank and the copper precipitator are connected through the fourteenth pipeline, and the fourteenth valve is installed on the fourteenth pipeline. The secondary return liquid circulation tank is connected to the new liquid system for periodically adding new lubricating fluid to its interior. In use, the lubricant can be tested by closing valves 11 to 14 in the circulation system and the liquid level balance port to form a horizontal sedimentation tank + vertical sedimentation tank operating system, or by closing valves 3, 4, 5, 7, 13, and 14 in the circulation system to form a horizontal sedimentation tank operating system, or by closing valves 1, 2, 3, 6, 11, 12, and the liquid level balance port in the circulation system to form a vertical sedimentation tank operating system.

2. The trial method of a lubrication system for testing steel cord as described in claim 1, characterized in that, The horizontal sedimentation tank and copper precipitator are connected to the waste liquid tank via the fifteenth and sixteenth pipelines.

3. A trial method for a lubrication system for testing steel cord as described in claim 1 or 2, characterized in that, When operating the horizontal sedimentation tank + vertical sedimentation tank system, the machine return tank transfer pump sends the lubricating fluid from the machine return tank into the horizontal sedimentation tank via the first pipeline. The lubricating fluid separated by sedimentation in the horizontal sedimentation tank is sent to the primary return circulation tank via the second pipeline. The primary return circulation tank transfer pump sends the lubricating fluid into the vertical sedimentation tank and copper precipitator via the third and sixth pipelines. The lubricating fluid separated in the vertical sedimentation tank flows into the secondary return circulation tank and paper tape filter via the fourth and seventh pipelines. The lubricating fluid sent into the paper tape filter... After filtration, the lubricating fluid is discharged into the filtrate tank through the eighth pipeline. After copper removal, the lubricating fluid sent to the copper precipitator is discharged into the filtrate tank through the ninth pipeline. The lubricating fluid separated in the filtrate tank is sent to the secondary return circulation tank through the filtrate pump and the tenth pipeline. The secondary return circulation tank's delivery pump sends the lubricating fluid in the secondary return circulation tank to the plate heat exchanger through the fifth pipeline for cooling. The cooled lubricating fluid is sent to the wet drawing machine through the main supply pipe. The lubricating fluid in the wet drawing machine is sent to the machine's return tank through the return pipe, forming a circulation of the entire lubrication system.

4. A trial method for a lubrication system for testing steel cord as described in claim 1 or 2, characterized in that, When operating the horizontal sedimentation tank system, the machine return tank pump delivers lubricating fluid from the machine return tank into the horizontal sedimentation tank through the first pipeline. The lubricating fluid separated by sedimentation in the horizontal sedimentation tank is then delivered to the primary return circulation tank through the second pipeline. The primary return circulation tank pump delivers lubricating fluid to the copper precipitator, paper tape filter, and plate heat exchanger through the sixth, twelfth, and eleventh pipelines. The lubricating fluid entering the copper precipitator and paper tape filter flows into the filtrate tank after filtration. The filtrate delivery pump delivers lubricating fluid from the filtrate tank to the secondary return circulation tank through the tenth pipeline. The secondary return circulation tank delivers lubricating fluid to the primary return circulation tank through the liquid level balance port. The lubricating fluid delivered to the plate heat exchanger is cooled and then delivered to the main supply pipe. From there, it is delivered to the wet drawing machine. The lubricating fluid in the wet drawing machine is then delivered back to the machine return tank through the return pipe, forming a circulation of the entire lubrication system.

5. A trial method for a lubrication system for testing steel cord as described in claim 1 or 2, characterized in that, When the vertical settling tank system is in operation, the machine return tank pump delivers lubricating fluid from the machine return tank into the vertical settling tank through the thirteenth pipeline. The lubricating fluid separated in the vertical settling tank flows into the secondary return circulation tank, paper tape filter, and copper precipitator through the fourth, seventh, and fourteenth pipelines. After further filtration, the lubricating fluid in the paper tape filter and copper precipitator flows into the filtrate tank. The filtrate pump delivers the lubricating fluid in the filtrate tank into the secondary return circulation tank through the tenth pipeline. The secondary return circulation tank delivers the lubricating fluid into the plate heat exchanger for cooling through the fifth pipeline. The cooled lubricating fluid is then delivered into the wet drawing machine through the main supply pipeline. The lubricating fluid in the wet drawing machine is then delivered back into the machine return tank through the main return pipeline, forming a circulation of the entire lubrication system.

6. The trial method of a lubrication system for testing steel cord as described in claim 1, characterized in that, The new fluid system includes a new fluid preparation tank, a new fluid storage tank, and a new fluid metering tank. The new fluid preparation tank is used to prepare new lubricating fluid. The new lubricating fluid is sent to the new fluid storage tank by a new fluid pump. The new lubricating fluid in the new fluid storage tank is sent to the new fluid metering tank through the liquid level difference. The new fluid metering tank is connected to a secondary return fluid circulation tank and new lubricating fluid is added to the secondary return fluid circulation tank at regular intervals.

7. The trial method of a lubrication system for testing steel cord as described in claim 6, characterized in that, When the liquid level in the new liquid preparation tank is too low or the liquid level in the new liquid storage tank is too high, the new liquid pump will stop working. The new liquid outlet is set at the bottom of the new liquid storage tank, and the new liquid is sent into the new liquid metering tank through the liquid level difference.

8. The trial method of a lubrication system for testing steel cord as described in claim 1, characterized in that, A pressure relief valve is installed at the end of the main supply pipe, and the end of the pressure relief valve pipeline is connected to the return pipe.

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