CN114247694A - Hydrocarbon oil-removing cleaning process for metal and nonmetal fine powder and placing container - Google Patents
Hydrocarbon oil-removing cleaning process for metal and nonmetal fine powder and placing container Download PDFInfo
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- CN114247694A CN114247694A CN202111240442.XA CN202111240442A CN114247694A CN 114247694 A CN114247694 A CN 114247694A CN 202111240442 A CN202111240442 A CN 202111240442A CN 114247694 A CN114247694 A CN 114247694A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 81
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 65
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 65
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 65
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 49
- 239000002184 metal Substances 0.000 title claims abstract description 49
- 239000000843 powder Substances 0.000 title claims abstract description 49
- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 46
- 239000012459 cleaning agent Substances 0.000 claims abstract description 32
- 238000010407 vacuum cleaning Methods 0.000 claims abstract description 28
- 238000001035 drying Methods 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 11
- 238000007872 degassing Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007602 hot air drying Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims 3
- 238000005406 washing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000010730 cutting oil Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The application relates to a hydrocarbon oil removal cleaning process for metal and nonmetal fine powder and a placing container, wherein the method comprises the following steps: the method comprises the steps of vacuum hydrocarbon rough washing, wherein metal, nonmetal fine materials and powder are placed in a hydrocarbon cleaning agent with the temperature of 40-60 ℃, ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% are connected into the hydrocarbon cleaning agent, and vacuum cleaning is carried out alternately.
Description
Technical Field
The application relates to the technical field of environment-friendly recovery of metal and nonmetal waste products, in particular to a hydrocarbon oil-removing cleaning process and a container for metal and nonmetal fine powder.
Background
The industry is the social substance production department of exploitation, collection and various raw materials processing of the natural resources, the industry is the manufacturing industry, the industry is the products that the society divides the labour to develop, through several development stages of hand-made industry, machine industry, the industry is the composition part of the second industry, divide into light industry and heavy industry two kinds, in the industrial production process at present, produce a large amount of stainless steel, aluminum alloy, copper alloy, high-density plastics, etc. metal bits, non-metal bits and mixed bits, powder, small granule material, because of also doping the chemical products such as tensile oil, lubricating oil, cutting fluid used for machining, become the hazardous waste solid rubbish harmful to environment, the method of processing at present is mostly that the smeltery removes the non-metal substance in advance at high temperature, however this kind of method increases the exhaust emission and waste gas treatment cost; the main metal chips are doped with other metal chips, and can be smelted in a melting furnace only through complex process treatment, so that the recovery cost is high.
Disclosure of Invention
The invention aims to solve the defects and provide a hydrocarbon oil removing and cleaning process for metal and nonmetal fine powder.
A hydrocarbon oil removing and cleaning process for metal and nonmetal fine powder comprises the following steps:
s1, carrying out vacuum hydrocarbon ultrasonic rough cleaning for the first time, putting metal, nonmetal fine materials and powder into a hydrocarbon cleaning agent with the temperature of 40-50 ℃, and simultaneously, accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately carry out vacuum cleaning;
s2, performing vacuum hydrocarbon ultrasonic cleaning for the second time, namely placing the metal, nonmetal fine materials and powder obtained in the step S1 after the primary rough cleaning into a hydrocarbon cleaning agent at the temperature of 40-60 ℃, and simultaneously accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately perform vacuum cleaning and gas inlet cleaning;
s3, carrying out third vacuum fine hydrocarbon cleaning, namely placing the metal, nonmetal fine materials and powder obtained in the step S2 after secondary cleaning into a hydrocarbon cleaning agent with the temperature of 40-60 ℃, and simultaneously accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately carry out vacuum cleaning and gas inlet cleaning;
s4, preheating by hot air, and vacuum drying, wherein the metal, nonmetal fine materials and powder materials obtained in the step S3 after the three times of cleaning are transferred into a hot air preheating machine for hot air preheating, and after the preheating is finished, the preheated materials are placed into a vacuum drying machine for vacuum drying; the preheating temperature of hot air is 90-150 ℃; setting the vacuum degree to be-90 KPa; the hot air preheating time is 60-300S; the low-speed rotation speed is 10-30 HZ; the high-speed rotation speed is 30-70HZ, and the drying vacuum degree is-100 KPa; the drying time is 300-900 s; the drying temperature is 60-150 ℃.
S5, natural cooling, namely cooling the dried metal and nonmetal fine materials and powder obtained in the step S4, wherein the cooling is natural cooling;
and S6, screening by using screens with different meshes, performing size separation on the metal and nonmetal fine materials and powder materials obtained in the step S5 by using an automatic screen or manual operation, and collecting and recovering the metal and nonmetal fine materials and powder materials.
Preferably, in the step S1, the vacuum cleaning condition is-65-85 Kpa, the degassing time is 1-6 times, and the vacuum cleaning residence time is 5-10S; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
Preferably, in the step S2, the vacuum cleaning condition is-65-85 Kpa, the degassing time is 1-6 times, and the vacuum cleaning residence time is 5-10S; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
Preferably, in the step S3, the vacuum cleaning conditions are-65-85 Kpa of vacuum degree, 1-6 times of degassing times and 5-10S of vacuum cleaning residence time; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
Preferably, in the step S4, the preheating temperature of the hot air is 90 to 150 ℃; setting the vacuum degree to be-90 KPa; the hot air preheating time is 60-300S; the low-speed rotation speed is 10-30 HZ; the high-speed rotation speed is 30-70HZ, and the drying vacuum degree is-100 KPa; the drying time is 300-900 s; the drying temperature is 60-150 ℃.
Preferably, the carbon chain range of the hydrocarbon cleaning agent is 10-18, the hydrogen is 22, and the hydrocarbon distillation range is 160-.
Preferably, the screen cloth comprises a box body, wherein a plurality of screen nets are distributed in the box body, and the screen nets are made of 10-800 meshes.
To sum up, the beneficial effect that this application has: the method is a hydrocarbon oil removing and cleaning process for metal and nonmetal fine powder, which comprises vacuum hydrocarbon fine cleaning, hot air preheating, vacuum drying and screen sorting, the innovative process of the process method can effectively remove cutting oil dirt on the surfaces of the metal, nonmetal fine powder and powder, improve the cleanness of waste metal and nonmetal, and facilitate recycling, the quality of the same material which can be smelted back is good, because the cleaned and separated fine powder and powder do not contain any sundries and oil dirt, the process has certain environmental protection effect, the quality is more stable after the hydrocarbon cleaning process is used, the energy consumption is reduced, the efficiency is improved, wherein, all cleaning processes are cleaned by vacuum ultrasonic, and the environment-friendly cleaning agent is selected, no influence is caused to human body and environment, the vacuum hydrocarbon coarse cleaning and the vacuum hydrocarbon fine cleaning adopt waterless cleaning, and the cleaning solution can be distilled and recycled, energy conservation and emission reduction, good environmental protection value and greatly reduced cleaning cost;
the processing oil stain is completely dissolved in the solvent by the principle of hydrocarbon cleaning agent similarity compatibility, and finally the purpose of completely stripping and cleaning the dirt on the surface of the cleaning object is achieved through the procedures of ultrasonic fine cleaning and drying.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application more clearly apparent, the present application is further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The first embodiment is as follows: a hydrocarbon oil-removing cleaning process for metal and nonmetal fine powder comprises the following steps; s1, carrying out vacuum hydrocarbon ultrasonic rough cleaning for the first time, putting metal, nonmetal fine materials and powder into a hydrocarbon cleaning agent with the temperature of 40-50 ℃, and simultaneously, accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately carry out vacuum cleaning;
s2, performing vacuum hydrocarbon ultrasonic cleaning for the second time, namely placing the metal, nonmetal fine materials and powder obtained in the step S1 after the primary rough cleaning into a hydrocarbon cleaning agent at the temperature of 40-60 ℃, and simultaneously accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately perform vacuum cleaning and gas inlet cleaning;
s3, carrying out third vacuum fine hydrocarbon cleaning, namely placing the metal, nonmetal fine materials and powder obtained in the step S2 after secondary cleaning into a hydrocarbon cleaning agent with the temperature of 40-60 ℃, and simultaneously accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately carry out vacuum cleaning and gas inlet cleaning;
s4, preheating by hot air, and vacuum drying, wherein the metal, nonmetal fine materials and powder materials obtained in the step S3 after the three times of cleaning are transferred into a hot air preheating machine for hot air preheating, and after the preheating is finished, the preheated materials are placed into a vacuum drying machine for vacuum drying; the preheating temperature of hot air is 90-150 ℃; setting the vacuum degree to be-90 KPa; the hot air preheating time is 60-300S; the low-speed rotation speed is 10-30 HZ; the high-speed rotation speed is 30-70HZ, and the drying vacuum degree is-100 KPa; the drying time is 300-900 s; the drying temperature is 60-150 ℃.
S5, natural cooling, namely cooling the dried metal and nonmetal fine materials and powder obtained in the step S4, wherein the cooling is natural cooling;
and S6, screening by using screens with different meshes, performing size separation on the metal and nonmetal fine materials and powder materials obtained in the step S5 by using an automatic screen or manual operation, and collecting and recovering the metal and nonmetal fine materials and powder materials.
Preferably, in the step S1, the vacuum cleaning conditions are-65 Kpa to 85Kpa, the degassing times are 1 to 6 times, and the vacuum cleaning residence time is 5 to 10S; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
Preferably, in the step S2, the vacuum cleaning conditions are-65 Kpa to 85Kpa, the degassing times are 1 to 6 times, and the vacuum cleaning residence time is 5 to 10S; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
Preferably, in the step S3, the vacuum cleaning conditions are-65-85 Kpa of vacuum degree, 1-6 times of degassing times and 5-10S of vacuum cleaning residence time; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
Preferably, in the step S4, the preheating temperature of the hot air is 90 to 150 ℃; setting the vacuum degree to be-90 KPa; the hot air preheating time is 60-300S; the low-speed rotation speed is 10-30 HZ; the high-speed rotation speed is 30-70HZ, and the drying vacuum degree is-100 KPa; the drying time is 300-900 s; the drying temperature is 60-150 ℃.
Preferably, the carbon chain range of the hydrocarbon cleaning agent is 10-18, the hydrogen is 22, and the hydrocarbon distillation range is 160-.
The comparison is carried out:
comparing this embodiment with the prior art, we can obtain the following comparison table, please refer to:
in the process, the vacuum hydrocarbon cleaning agent is used for enhancing cleaning, so that the purpose of thoroughly cleaning dirt on the surface of the powder is achieved, the equipment is provided with the vacuum circulating distillation system, the hydrocarbon cleaning agent is separated from the dirt according to the boiling point difference of the hydrocarbon cleaning agent and the dirt, the hydrocarbon cleaning agent gas is recycled through the condensation system and is continuously supplemented to the 3# cleaning tank, the final cleaning tank is ensured to be very clean, the quality is ensured to be stable, and meanwhile, the cost of the cleaning agent is greatly reduced.
The method is a hydrocarbon oil removing and cleaning process for metal and nonmetal fine powder, which comprises vacuum hydrocarbon fine cleaning, hot air preheating, vacuum drying and screen sorting, the innovative process of the process method can effectively remove cutting oil dirt on the surfaces of the metal, nonmetal fine powder and powder, improve the cleanness of waste metal and nonmetal, and facilitate recycling, the quality of the same material which can be smelted back is good, because the cleaned and separated fine powder and powder do not contain any sundries and oil dirt, the process has certain environmental protection effect, the quality is more stable after the hydrocarbon cleaning process is used, the energy consumption is reduced, the efficiency is improved, wherein, all cleaning processes are cleaned by vacuum ultrasonic, and the environment-friendly cleaning agent is selected, no influence is caused to human body and environment, the vacuum hydrocarbon coarse cleaning and the vacuum hydrocarbon fine cleaning adopt waterless cleaning, and the cleaning solution can be distilled and recycled, energy conservation and emission reduction, good environmental protection value and greatly reduced cleaning cost;
the processing oil stain is completely dissolved in the solvent by the principle of hydrocarbon cleaning agent similarity compatibility, and finally the purpose of completely stripping and cleaning the dirt on the surface of the cleaning object is achieved through the procedures of ultrasonic fine cleaning and drying.
Example two: a placing container comprises a box body, wherein a plurality of screen meshes are distributed in the box body, and the screen meshes are made of 10-800 meshes. Before the step S1, metal chips and nonmetal chips with different shapes and sizes are placed in a layered mode through a sorting device made of a 10-800-mesh net, so that the metal chips and the nonmetal chips cannot leak from the net, and the cleaning in the subsequent step is facilitated.
And (4) screen separation, namely, using screens with different meshes to perform size separation on the metal and nonmetal fine materials and powder materials obtained in the step S6 through automatic screening or manual operation, and simultaneously collecting and recovering the metal and nonmetal fine materials and powder materials.
The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.
The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims of the present application.
Claims (7)
1. A hydrocarbon oil removal cleaning process for metal and nonmetal fine powder is characterized in that: the method comprises the following steps; s1, carrying out vacuum hydrocarbon ultrasonic rough cleaning for the first time, putting metal, nonmetal fine materials and powder into a hydrocarbon cleaning agent with the temperature of 40-50 ℃, and simultaneously, accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately carry out vacuum cleaning;
s2, performing vacuum hydrocarbon ultrasonic cleaning for the second time, namely placing the metal, nonmetal fine materials and powder obtained in the step S1 after the primary rough cleaning into a hydrocarbon cleaning agent at the temperature of 40-60 ℃, and simultaneously accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately perform vacuum cleaning and gas inlet cleaning;
s3, carrying out third vacuum fine hydrocarbon cleaning, namely placing the metal, nonmetal fine materials and powder obtained in the step S2 after secondary cleaning into a hydrocarbon cleaning agent with the temperature of 40-60 ℃, and simultaneously accessing ultrasonic waves with the frequency of 28KHz-40KHz and the size of 60-100% into the hydrocarbon cleaning agent to alternately carry out vacuum cleaning and gas inlet cleaning;
s4, preheating by hot air, and vacuum drying, wherein the metal, nonmetal fine materials and powder materials obtained in the step S3 after the three times of cleaning are transferred into a hot air preheating machine for hot air preheating, and after the preheating is finished, the preheated materials are placed into a vacuum drying machine for vacuum drying; the preheating temperature of hot air is 90-150 ℃; setting the vacuum degree to be-90 KPa; the hot air preheating time is 60-300S; the low-speed rotation speed is 10-30 HZ; the high-speed rotation speed is 30-70HZ, and the drying vacuum degree is-100 KPa; the drying time is 300-900 s; the drying temperature is 60-1S 0 ℃.
S5, natural cooling, namely cooling the dried metal and nonmetal fine materials and powder obtained in the step S4, wherein the cooling is natural cooling;
and S6, screening by using screens with different meshes, performing size separation on the metal and nonmetal fine materials and powder materials obtained in the step S5 by using an automatic screen or manual operation, and collecting and recovering the metal and nonmetal fine materials and powder materials.
2. The hydrocarbon oil-removing cleaning process of metal and nonmetal fine powder material according to claim 1, which is characterized by comprising the following steps: in the step S1, the vacuum cleaning conditions are that the vacuum degree is-65-85 Kpa, the degassing times are 1-6 times, and the vacuum cleaning retention time is 5-10S; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
3. The hydrocarbon oil-removing cleaning process of metal and nonmetal fine powder material according to claim 1, which is characterized by comprising the following steps: in the step S2, the vacuum cleaning conditions are-65 Kpa to 85Kpa, the degassing times are 1 to 6 times, and the vacuum cleaning retention time is 5 to 10S; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
4. The hydrocarbon oil-removing cleaning process of metal and nonmetal fine powder material according to claim 1, which is characterized by comprising the following steps: in the step S3, the vacuum cleaning conditions are that the vacuum degree is-65-85 Kpa, the degassing times are 1-6 times, and the vacuum cleaning retention time is 5-10S; the gas inlet cleaning residence time is 10-30s, and the total cleaning time is 60-600 s.
5. The hydrocarbon oil-removing cleaning process of metal and nonmetal fine powder material according to claim 1, which is characterized by comprising the following steps: in the step S4, the preheating temperature of hot air is 90-150 ℃; setting the vacuum degree to be-90 KPa; the hot air preheating time is 60-300S; the low-speed rotation speed is 10-30 HZ; the high-speed rotation speed is 30-70HZ, and the drying vacuum degree is-100 KPa; the drying time is 300-900 s; the drying temperature is 60-150 ℃.
6. The hydrocarbon oil-removing cleaning process of metal and nonmetal fine powder material according to claim 1, which is characterized by comprising the following steps: the carbon chain range of the hydrocarbon cleaning agent is 10-18, the hydrogen is 22, and the hydrocarbon distillation range is 160-.
7. A placement container is characterized in that: the novel multifunctional screen is characterized by comprising a box body, wherein a plurality of screens are distributed in the box body, and the screens are made of 10-800 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240442.XA CN114247694A (en) | 2021-10-25 | 2021-10-25 | Hydrocarbon oil-removing cleaning process for metal and nonmetal fine powder and placing container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240442.XA CN114247694A (en) | 2021-10-25 | 2021-10-25 | Hydrocarbon oil-removing cleaning process for metal and nonmetal fine powder and placing container |
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| CN108275686A (en) * | 2018-04-18 | 2018-07-13 | 奈曼旗忠義砂产业有限公司 | A kind of production method of natural siliceous sand |
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