CN114250477A - Lubricating oil filling device for mechanical equipment - Google Patents

Lubricating oil filling device for mechanical equipment Download PDF

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Publication number
CN114250477A
CN114250477A CN202111576908.3A CN202111576908A CN114250477A CN 114250477 A CN114250477 A CN 114250477A CN 202111576908 A CN202111576908 A CN 202111576908A CN 114250477 A CN114250477 A CN 114250477A
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aqueous solution
nickel
foamed nickel
temperature
lubricating oil
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CN202111576908.3A
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CN114250477B (en
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赵连明
鲁宗虎
张椿
王俊
马成智
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Xinjiang Industrial Cloud Big Data Innovation Center Co ltd
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Xinjiang Industrial Cloud Big Data Innovation Center Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/58—Treatment of other metallic material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/76—Applying the liquid by spraying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration

Abstract

The invention discloses a lubricating oil filling device for mechanical equipment, which comprises a pressurizer, a lubricating oil filter barrel and a filling pipeline, wherein the inner cavity of the lubricating oil filter barrel is divided into an upper cavity and a lower cavity by a filter plate, the top of the upper cavity is provided with a first air pressure outlet, the upper part of the side wall of the lower cavity is provided with a second air pressure outlet, the first air pressure outlet and the second air pressure outlet are respectively connected with the pressurizer through pipelines, a first electric control regulating valve is arranged on the pipeline between the first air pressure outlet and the pressurizer, a second electric control regulating valve is arranged on the pipeline between the second air pressure outlet and the pressurizer, the first electric control regulating valve and the second electric control regulating valve are respectively connected with a control panel through leads, one end of the filling pipeline is communicated with the bottom of the lower cavity, and the other end of the filling pipeline is a lubricating oil filling port. According to the invention, by optimizing the preparation process of the filter plate in the lubricating oil filling device, the strength of the filter plate is improved, the filtering effect is improved a little, and the mechanical abrasion is reduced.

Description

Lubricating oil filling device for mechanical equipment
Technical Field
The invention relates to the technical field of lubricating oil filtering equipment, in particular to a lubricating oil filling device for mechanical equipment.
Background
The lubricating oil in mechanical equipment mainly has the following functions: 1. lubrication: reducing surface friction between moving parts of the mechanical equipment; 2. and (3) cooling: reducing the temperature of moving parts of the mechanical equipment; 3. rust prevention: the oil film of the lubricating oil can prevent the parts from being rusted due to oxidation. The main function of lubricating oil filtration is to clean the lubricating oil so as to reduce the abrasion of parts and energy loss; the filtration of the lubricating oil can remove impurity particles, carbon precipitates and the like in the lubricating oil so as to protect mechanical equipment. Therefore, in the whole lubricating system, the filtering function of the lubricating oil is very important, and the filtering capacity of the filtering device directly influences the lubricating effect of the mechanical equipment, so that the operation of the lubricating system of the mechanical equipment is directly influenced.
Disclosure of Invention
The invention provides a lubricating oil filling device for mechanical equipment, which comprises a pressurizer, a lubricating oil filter barrel and a filling pipeline, the inner cavity of the lubricating oil filter barrel is divided into an upper cavity and a lower cavity by a filter plate, the top of the upper cavity is provided with a first air pressure outlet, a second air pressure outlet is arranged at the upper part of the side wall of the lower chamber, the first air pressure outlet and the second air pressure outlet are respectively connected with the pressurizer through pipelines, a first electric control regulating valve is arranged on a pipeline between the first air pressure outlet and the pressurizer, a second electric control regulating valve is arranged on a pipeline between the second air pressure outlet and the pressurizing machine, the first electric control regulating valve and the second electric control regulating valve are respectively connected with a control panel through leads, one end of the filling pipeline is communicated with the bottom of the lower chamber, the other end of the filling pipeline is a lubricating oil filling port, and the preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into proper size according to the size of the inner cavity of the lubricating oil filter barrel, soaking the foamed nickel in a container filled with acetone, then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10-20 min, then balancing the internal and external atmospheric pressures, taking out the container, emptying the acetone, adding deionized water into the container, then placing the container in the vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10-20 min, taking out the foamed nickel after the pressure maintaining is finished, and drying the foamed nickel to constant weight at the temperature of 80 +/-5 ℃ to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and a iridium trichloride and nickel dichloride composite aqueous solution, firstly carrying out oil bath on the aluminum isopropoxide aqueous solution at a constant temperature of 90 +/-5 ℃ and carrying out heat preservation for 2-3 h, then adding a nitric acid solution into the aluminum isopropoxide aqueous solution, continuously stirring and carrying out heat preservation at a constant temperature of 90 +/-5 ℃ after the addition is finished, and carrying out condensation reflux for 12-15 h; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 15-20 min at a constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 10-18 min at the temperature of 80 +/-5 ℃, then soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 15-20 min again after drying, then taking out the nickel foam, and drying for 10-18 min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 450-500 ℃ under the protection of nitrogen, preserving the heat for 3-4 h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, soaking the modified nickel foam in an aqueous solution of lauryl alcohol polyoxyethylene ether for 5-10 min, taking out and draining, then placing the modified nickel foam in a sealing tube, injecting nitrogen into the sealing tube to form a nitrogen atmosphere, then heating the sealing tube to raise the temperature in the tube to 780-800 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the tube after the temperature is reached, preserving the temperature for 6-10 min after the spraying is finished, then spraying the mixed solution of ferrocene and xylene into the sealing tube, preserving the temperature for 2-3 h after the spraying is finished, and naturally cooling the nickel foam to the normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a nickel foam compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 8-10 min, taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate.
Further, in the aqueous solution of aluminum isopropoxide, the concentration of aluminum isopropoxide is 10-12 g/100mL, and the balance is water; the concentration of iridium trichloride in the iridium trichloride and nickel dichloride composite aqueous solution is 2-3 g/100mL, the concentration of nickel dichloride is 5-7 g/100mL, and the balance is water; the mass percentage of the solute in the nitric acid solution is 5% -8%, and the mass of the added nitric acid solution is 1/5 of the mass of the aqueous solution of aluminum isopropoxide.
Further, the mass of the aqueous solution of aluminum isopropoxide is more than 8 times of the mass of the cleaned nickel foam, and the mass of the composite aqueous solution of iridium trichloride and nickel dichloride is more than 8 times of the mass of the cleaned nickel foam.
Further, in the mixed solution of ferrocene and xylene, the amount of ferrocene and xylene is more than that of ferrocene: 4-6 g of xylene: 100mL, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 5-7%.
Further, the spraying speed of the hexamethyldisiloxane is 20-23 mL/h, the total spraying amount is 30-40 mL, and the spraying speed of the mixed solution of ferrocene and xylene is 16-20 mL/h.
Further, in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percentage of potassium hydroxide is 5-6%, and the mass percentage of potassium sodium tartrate is 10-14%.
The invention has the beneficial effects that: according to the invention, by optimizing the preparation process of the filter plate in the lubricating oil filling device, the strength of the filter plate is improved, the filter plate is not easy to deform and lose efficacy in actual use, meanwhile, the filtering effect is improved a little, metal particles or dust particles remained in engine oil are removed well, and the mechanical abrasion is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is further described with reference to the following embodiments in conjunction with the accompanying drawings.
A lubricating oil filling device for mechanical equipment comprises a pressurizer 1, a lubricating oil filter barrel 2 and a filling pipeline 3, wherein the inner cavity of the lubricating oil filter barrel 2 is divided into an upper chamber 201 and a lower chamber 202 by a filter plate 8, the top of the upper chamber 201 is provided with a first air pressure outlet 4, the upper part of the side wall of the lower chamber 202 is provided with a second air pressure outlet 5, the first air pressure outlet 4 and the second air pressure outlet 5 are respectively connected with the pressurizer 1 through pipelines, a first electric control regulating valve 6 is arranged on the pipeline between the first air pressure outlet 4 and the pressurizer 1, a second electric control regulating valve 7 is arranged on the pipeline between the second air pressure outlet 5 and the pressurizer 1, the first electric control regulating valve 6 and the second electric control regulating valve 7 are respectively connected with a control panel through leads, and the circulation of the first electric control regulating valve 6 and the second electric control valve 7 is set through the control panel, and thus the gas pressures of the first gas pressure outlet 4 and the second gas pressure outlet 5. One end of the filling pipeline 3 is communicated with the bottom of the lower chamber 202, and the other end is a lubricating oil filling port 9.
During the use, earlier pour lubricating oil into last cavity 201 in to the charge door that goes up cavity 201 is sealed, opens first automatically controlled governing valve 6 through control panel, pressurizes last cavity 201, and lubricating oil falls into cavity 202 down through filter 8 gradually because the effect of pressure differential, and lubricating oil is through filtration processing when passing through filter 8, filters out the solid particle in the lubricating oil. Because the filter plate 8 has certain strength, the filter plate is not easy to deform and leak when the upper chamber 201 is pressurized. When the amount of the lubricating oil entering the lower chamber 202 is enough, the second electrically controlled regulating valve 7 is opened through the control panel to pressurize the lower chamber 202, so that the lubricating oil flows out of the filling pipeline 3 to perform the filling operation of the lubricating oil.
In order to explore the preparation process of the filter plate 8 to obtain a filter plate 8 with high filterability and strength, the following examples or comparative examples were designed:
example 1
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and an iridium trichloride and nickel dichloride composite aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 10g/100mL, and the balance of water; the concentration of iridium trichloride in the compound aqueous solution of iridium trichloride and nickel dichloride is 2g/100mL, the concentration of nickel dichloride is 5g/100mL, and the balance is water; the quality of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel, and the quality of the composite aqueous solution of iridium trichloride and nickel dichloride is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 5%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 20min after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 450 ℃ under the protection of nitrogen, preserving heat for 4 hours, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 4 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 5%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing pipe, injecting nitrogen into the sealing pipe to form a nitrogen atmosphere, heating the sealing pipe to enable the temperature in the pipe to rise to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the pipe after the temperature is reached, keeping the temperature for 10min after spraying is finished, spraying the mixed solution of ferrocene and dimethylbenzene into the sealing pipe, and keeping the temperature for 2h after spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and dimethylbenzene is 16mL/h, and the spraying total amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 5%, the mass percent of potassium sodium tartrate is 10%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio (solid/liquid-1/8), taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate.
Example 2
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and an iridium trichloride and nickel dichloride composite aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 11g/100mL, and the balance of water; the concentration of iridium trichloride in the compound aqueous solution of iridium trichloride and nickel dichloride is 2g/100mL, the concentration of nickel dichloride is 6g/100mL, and the balance is water; the quality of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel, and the quality of the composite aqueous solution of iridium trichloride and nickel dichloride is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 6%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 20min after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 480 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 5 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 6%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing pipe, injecting nitrogen into the sealing pipe to form a nitrogen atmosphere, heating the sealing pipe to enable the temperature in the pipe to rise to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the pipe after the temperature is reached, keeping the temperature for 10min after spraying is finished, spraying the mixed solution of ferrocene and dimethylbenzene into the sealing pipe, and keeping the temperature for 2h after spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and dimethylbenzene is 16mL/h, and the spraying total amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 5%, the mass percent of potassium sodium tartrate is 12%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio (solid/liquid-1/8), taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate.
Example 3
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and an iridium trichloride and nickel dichloride composite aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 11g/100mL, and the balance of water; the concentration of iridium trichloride in the compound aqueous solution of iridium trichloride and nickel dichloride is 3g/100mL, the concentration of nickel dichloride is 6g/100mL, and the balance is water; the quality of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel, and the quality of the composite aqueous solution of iridium trichloride and nickel dichloride is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 7%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 20min after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 480 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 5 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 6%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing pipe, injecting nitrogen into the sealing pipe to form a nitrogen atmosphere, heating the sealing pipe to enable the temperature in the pipe to rise to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the pipe after the temperature is reached, keeping the temperature for 10min after spraying is finished, spraying the mixed solution of ferrocene and dimethylbenzene into the sealing pipe, and keeping the temperature for 2h after spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and dimethylbenzene is 16mL/h, and the spraying total amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 6%, the mass percent of potassium sodium tartrate is 13%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio (solid/liquid-1/8), taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate.
Example 4
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and an iridium trichloride and nickel dichloride composite aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 12g/100mL, and the balance of water; the concentration of iridium trichloride in the compound aqueous solution of iridium trichloride and nickel dichloride is 3g/100mL, the concentration of nickel dichloride is 7g/100mL, and the balance is water; the quality of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel, and the quality of the composite aqueous solution of iridium trichloride and nickel dichloride is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 8%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 20min after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 500 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 6 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 7%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing pipe, injecting nitrogen into the sealing pipe to form a nitrogen atmosphere, heating the sealing pipe to enable the temperature in the pipe to rise to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the pipe after the temperature is reached, keeping the temperature for 10min after spraying is finished, spraying the mixed solution of ferrocene and dimethylbenzene into the sealing pipe, and keeping the temperature for 2h after spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and dimethylbenzene is 16mL/h, and the spraying total amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 6%, the mass percent of potassium sodium tartrate is 14%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio (solid/liquid-1/8), taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate.
Comparative example 1
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) preparing an aluminum isopropoxide aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 11g/100mL, and the balance is water; the mass of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 6%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after the heat preservation is finished, soaking the cleaned foamed nickel in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the foamed nickel, and drying for 15min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 480 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 5 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 6%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing pipe, injecting nitrogen into the sealing pipe to form a nitrogen atmosphere, heating the sealing pipe to enable the temperature in the pipe to rise to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the pipe after the temperature is reached, keeping the temperature for 10min after spraying is finished, spraying the mixed solution of ferrocene and dimethylbenzene into the sealing pipe, and keeping the temperature for 2h after spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and dimethylbenzene is 16mL/h, and the spraying total amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 5%, the mass percent of potassium sodium tartrate is 12%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio of solid to liquid being 1/8, taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate of the comparative example.
Comparative example 2
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and a nickel dichloride aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 11g/100mL, and the balance of water; the concentration of the nickel dichloride in the nickel dichloride aqueous solution is 6g/100mL, and the balance is water; the mass of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned nickel foam, and the mass of the aqueous solution of nickel dichloride is 8 times of that of the cleaned nickel foam. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 6%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after the heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the aqueous solution of nickel dichloride for 20min again after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 480 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 5 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 6%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing pipe, injecting nitrogen into the sealing pipe to form a nitrogen atmosphere, heating the sealing pipe to enable the temperature in the pipe to rise to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the pipe after the temperature is reached, keeping the temperature for 10min after spraying is finished, spraying the mixed solution of ferrocene and dimethylbenzene into the sealing pipe, and keeping the temperature for 2h after spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and dimethylbenzene is 16mL/h, and the spraying total amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 5%, the mass percent of potassium sodium tartrate is 12%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio of solid to liquid being 1/8, taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate of the comparative example.
Comparative example 3
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and an iridium trichloride and nickel dichloride composite aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 11g/100mL, and the balance of water; the concentration of iridium trichloride in the compound aqueous solution of iridium trichloride and nickel dichloride is 2g/100mL, the concentration of nickel dichloride is 6g/100mL, and the balance is water; the quality of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel, and the quality of the composite aqueous solution of iridium trichloride and nickel dichloride is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 6%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 20min after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 480 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 5 g: 100 mL; placing modified foam nickel in a sealing tube, injecting nitrogen into the sealing tube to form a nitrogen atmosphere, heating the sealing tube to raise the temperature in the tube to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the tube after the temperature is reached, keeping the temperature for 10min after the spraying is finished, spraying the mixed solution of ferrocene and xylene into the sealing tube, and keeping the temperature for 2h after the spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and xylene is 16mL/h, and the spraying total amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 5%, the mass percent of potassium sodium tartrate is 12%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio of solid to liquid being 1/8, taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate of the comparative example.
Comparative example 4
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and an iridium trichloride and nickel dichloride composite aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 11g/100mL, and the balance of water; the concentration of iridium trichloride in the compound aqueous solution of iridium trichloride and nickel dichloride is 2g/100mL, the concentration of nickel dichloride is 6g/100mL, and the balance is water; the quality of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel, and the quality of the composite aqueous solution of iridium trichloride and nickel dichloride is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 6%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 20min after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 480 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 5 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 6%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing tube, injecting nitrogen into the sealing tube to form a nitrogen atmosphere, heating the sealing tube to raise the temperature in the tube to 790 +/-10 ℃ at 30 ℃/min, spraying the mixed solution of the ferrocene and the dimethylbenzene into the sealing tube after the temperature is reached, and preserving heat for 2 hours after the spraying is finished, wherein the spraying speed of the mixed solution of the ferrocene and the dimethylbenzene is 16mL/h, and the total spraying amount is 40 mL. Naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a foamed nickel compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percent of potassium hydroxide is 5%, the mass percent of potassium sodium tartrate is 12%, and the balance is water; and (3) soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 10min according to the solid-liquid mass ratio of solid to liquid being 1/8, taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate of the comparative example.
Comparative example 5
The preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into a proper size according to the size of the inner cavity of the lubricating oil filter barrel, wherein the thickness of the foamed nickel is 0.4cm, and soaking the foamed nickel in a container filled with acetone, wherein the mass of the acetone is 10 times that of the foamed nickel; then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, balancing the internal and external atmospheric pressures, taking out the container, emptying acetone, and adding deionized water into the container, wherein the mass of the deionized water is 10 times that of the foamed nickel; placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10min, taking out the foamed nickel after the pressure maintaining is finished, and drying at the temperature of 80 +/-5 ℃ to constant weight to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and an iridium trichloride and nickel dichloride composite aqueous solution, wherein the concentration of aluminum isopropoxide in the aluminum isopropoxide aqueous solution is 11g/100mL, and the balance of water; the concentration of iridium trichloride in the compound aqueous solution of iridium trichloride and nickel dichloride is 2g/100mL, the concentration of nickel dichloride is 6g/100mL, and the balance is water; the quality of the aqueous solution of aluminum isopropoxide is 8 times of that of the cleaned foamed nickel, and the quality of the composite aqueous solution of iridium trichloride and nickel dichloride is 8 times of that of the cleaned foamed nickel. Firstly, the water solution of aluminum isopropoxide is subjected to oil bath at a constant temperature of 90 +/-5 ℃ and is kept warm for 2h, then nitric acid solution is added into the water solution of aluminum isopropoxide, the mass percentage of solute in the nitric acid solution is 6%, and the mass of the added nitric acid solution is 1/5 of the mass of the water solution of aluminum isopropoxide; continuously stirring and preserving heat at the constant temperature of 90 +/-5 ℃ after the feeding is finished, and carrying out condensation reflux for 12 hours; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 20min at the constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 15min at the temperature of 80 +/-5 ℃, soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 20min after drying, then taking out the nickel foam, and drying for 18min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 480 ℃ under the protection of nitrogen, preserving heat for 3h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, wherein the amount of the ferrocene and the xylene in the mixed solution of the ferrocene and the xylene is more than that of the ferrocene: xylene ═ 5 g: 100 mL; soaking the modified foamed nickel in an aqueous solution of polyoxyethylene lauryl ether for 10min, taking out, and draining, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 6%, and the mass of the aqueous solution of the polyoxyethylene lauryl ether is 8 times of that of the modified foamed nickel soaked in the aqueous solution of the polyoxyethylene lauryl ether. And then placing the modified foamed nickel in a sealing pipe, injecting nitrogen into the sealing pipe to form a nitrogen atmosphere, heating the sealing pipe to enable the temperature in the pipe to rise to 790 +/-10 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the pipe after the temperature is reached, keeping the temperature for 10min after spraying is finished, spraying the mixed solution of ferrocene and dimethylbenzene into the sealing pipe, and keeping the temperature for 2h after spraying is finished, wherein the spraying speed of the hexamethyldisiloxane is 20mL/h, the spraying total amount is 30mL, the spraying speed of the mixed solution of ferrocene and dimethylbenzene is 16mL/h, and the spraying total amount is 40 mL. And naturally cooling the foamed nickel to normal temperature in the nitrogen atmosphere after heat preservation is finished to obtain the filter plate of the comparative example.
Example 5
The compressive yield strength of the filter plates prepared in each example and comparative example was tested by a universal tester, and the compression rate was set to 2 mm/min; meanwhile, the filtration efficiencies of the filter plates prepared in each example and comparative example were respectively tested according to the requirements of national standard GB/T8243.12-2007, in which the average particle size of the impurity particles was 6 μm, and the results are shown in Table 1.
TABLE 1
Test group Compressive yield strength/MPa Efficiency of filtration
Example 1 15.3 91.0％
Example 2 15.6 90.7％
Example 3 15.9 90.4％
Example 4 15.5 90.8％
Comparative example 1 9.4 63.5％
Comparative example 2 10.1 78.3％
Comparative example 3 13.8 82.9％
Comparative example 4 9.9 77.1％
Comparative example 5 15.3 83.0％
As can be seen from table 1, according to the present invention, by optimizing the preparation process of the filter plate in the lubricating oil filling device, the strength of the filter plate is improved, the filter plate is not easily deformed or lost in practical use, and simultaneously, the filtering effect is improved a little, so that metal particles or dust particles remaining in the engine oil are removed well, and the mechanical wear is reduced.
The technical solutions provided by the present invention are described in detail above, and for those skilled in the art, the ideas according to the embodiments of the present invention may be changed in the specific implementation manners and the application ranges, and in summary, the content of the present description should not be construed as limiting the present invention.

Claims (6)

1. A lubricating oil filling device for mechanical equipment is characterized by comprising a pressurizer, a lubricating oil filter barrel and a filling pipeline, the inner cavity of the lubricating oil filter barrel is divided into an upper cavity and a lower cavity by a filter plate, the top of the upper cavity is provided with a first air pressure outlet, a second air pressure outlet is arranged at the upper part of the side wall of the lower chamber, the first air pressure outlet and the second air pressure outlet are respectively connected with the pressurizer through pipelines, a first electric control regulating valve is arranged on a pipeline between the first air pressure outlet and the pressurizer, a second electric control regulating valve is arranged on a pipeline between the second air pressure outlet and the pressurizing machine, the first electric control regulating valve and the second electric control regulating valve are respectively connected with a control panel through leads, one end of the filling pipeline is communicated with the bottom of the lower chamber, the other end of the filling pipeline is a lubricating oil filling port, and the preparation method of the filter plate comprises the following steps:
(1) cutting the foamed nickel into proper size according to the size of the inner cavity of the lubricating oil filter barrel, soaking the foamed nickel in a container filled with acetone, then placing the container in a vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10-20 min, then balancing the internal and external atmospheric pressures, taking out the container, emptying the acetone, adding deionized water into the container, then placing the container in the vacuum drying oven, vacuumizing to 0.01 standard atmospheric pressure, maintaining the pressure for 10-20 min, taking out the foamed nickel after the pressure maintaining is finished, and drying the foamed nickel to constant weight at the temperature of 80 +/-5 ℃ to obtain cleaned foamed nickel;
(2) respectively preparing an aluminum isopropoxide aqueous solution and a iridium trichloride and nickel dichloride composite aqueous solution, firstly carrying out oil bath on the aluminum isopropoxide aqueous solution at a constant temperature of 90 +/-5 ℃ and carrying out heat preservation for 2-3 h, then adding a nitric acid solution into the aluminum isopropoxide aqueous solution, continuously stirring and carrying out heat preservation at a constant temperature of 90 +/-5 ℃ after the addition is finished, and carrying out condensation reflux for 12-15 h; after heat preservation is finished, soaking the cleaned nickel foam in the solution for 15-20 min at a constant temperature of 90 +/-5 ℃, then taking out the nickel foam, drying for 10-18 min at the temperature of 80 +/-5 ℃, then soaking the nickel foam in the composite aqueous solution of iridium trichloride and nickel dichloride for 15-20 min again after drying, then taking out the nickel foam, and drying for 10-18 min at the temperature of 80 +/-5 ℃; after drying, heating the foamed nickel to 450-500 ℃ under the protection of nitrogen, preserving the heat for 3-4 h, and then air-cooling to normal temperature to obtain modified foamed nickel;
(3) preparing a mixed solution of ferrocene and xylene, soaking the modified nickel foam in an aqueous solution of lauryl alcohol polyoxyethylene ether for 5-10 min, taking out and draining, then placing the modified nickel foam in a sealing tube, injecting nitrogen into the sealing tube to form a nitrogen atmosphere, then heating the sealing tube to raise the temperature in the tube to 780-800 ℃ at 30 ℃/min, spraying atomized hexamethyldisiloxane into the tube after the temperature is reached, preserving the temperature for 6-10 min after the spraying is finished, then spraying the mixed solution of ferrocene and xylene into the sealing tube, preserving the temperature for 2-3 h after the spraying is finished, and naturally cooling the nickel foam to the normal temperature in the nitrogen atmosphere after the heat preservation is finished to obtain a nickel foam compound;
(4) preparing a mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, soaking the foamed nickel compound in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate for 8-10 min, taking out the foamed nickel compound, washing with deionized water, and drying to obtain the filter plate.
2. The mechanical equipment lubricating oil filling device according to claim 1, wherein in the aqueous solution of aluminum isopropoxide, the concentration of aluminum isopropoxide is 10-12 g/100mL, and the balance is water; the concentration of iridium trichloride in the iridium trichloride and nickel dichloride composite aqueous solution is 2-3 g/100mL, the concentration of nickel dichloride is 5-7 g/100mL, and the balance is water; the mass percentage of the solute in the nitric acid solution is 5% -8%, and the mass of the added nitric acid solution is 1/5 of the mass of the aqueous solution of aluminum isopropoxide.
3. The mechanical equipment lubricating oil filling device according to claim 1, wherein the mass of the aqueous solution of aluminum isopropoxide is more than 8 times of the mass of the cleaned nickel foam, and the mass of the composite aqueous solution of iridium trichloride and nickel dichloride is more than 8 times of the mass of the cleaned nickel foam.
4. The mechanical equipment lubricating oil filling device according to claim 1, wherein in the mixed solution of ferrocene and xylene, the amount of ferrocene and xylene is greater than that of ferrocene: 4-6 g of xylene: 100mL, wherein the mass percentage of the polyoxyethylene lauryl ether in the aqueous solution of the polyoxyethylene lauryl ether is 5-7%.
5. The mechanical equipment lubricating oil filling device according to claim 1, wherein the spraying speed of hexamethyldisiloxane is 20-23 mL/h, the total spraying amount is 30-40 mL, and the spraying speed of the mixed solution of ferrocene and xylene is 16-20 mL/h.
6. The mechanical equipment lubricating oil filling device according to claim 1, wherein in the mixed aqueous solution of potassium hydroxide and potassium sodium tartrate, the mass percentage of potassium hydroxide is 5-6%, and the mass percentage of potassium sodium tartrate is 10-14%.
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