1. The environment-friendly polymer rolling liquid is characterized by being prepared from the following raw materials in parts by weight:

40-240 parts of high-molecular nano vegetable oil, 5-30 parts of mineral oil, 10-60 parts of an oiliness agent, 20-150 parts of an extreme pressure agent, 0.1-0.5 part of an antirust agent, 1.2-2.5 parts of a surfactant, 10-60 parts of acrylic acid, 3-20 parts of sodium hydroxide, 0.5-2 parts of an emulsifier, 0.1-0.6 part of a cross-linking agent and 1-3 parts of a flame retardant.

2. The environment-friendly polymer rolling liquid as claimed in claim 1, wherein the rolling liquid is mainly prepared from the following raw materials in parts by weight:

80-200 parts of high-molecular nano vegetable oil, 10-25 parts of mineral oil, 20-50 parts of an oiliness agent, 40-120 parts of an extreme pressure agent, 0.2-0.4 part of an antirust agent, 1.8-2.2 parts of a surfactant, 20-50 parts of acrylic acid, 7-17 parts of sodium hydroxide, 1-1.8 parts of an emulsifier, 0.2-0.5 part of a cross-linking agent and 1.5-2.8 parts of a flame retardant.

3. The environment-friendly polymer rolling liquid as claimed in claim 2, wherein the rolling liquid is mainly prepared from the following raw materials in parts by weight:

150 parts of high-molecular nano vegetable oil, 19 parts of mineral oil, 39 parts of an oiliness agent, 80 parts of an extreme pressure agent, 0.3 part of an antirust agent, 2 parts of a surfactant, 39 parts of acrylic acid, 13 parts of sodium hydroxide, 1.5 parts of an emulsifier, 0.35 part of a crosslinking agent and 2.2 parts of a flame retardant.

4. A preparation method of the environment-friendly polymer rolling fluid as claimed in any one of claims 1 to 3, wherein the preparation method comprises selecting polymer nano vegetable oil, mineral oil, an oiliness agent, an extreme pressure agent, an antirust agent, a surfactant, acrylic acid, sodium hydroxide, an emulsifier, a cross-linking agent and a flame retardant according to corresponding proportions, mixing uniformly, adding a defoaming agent, mixing uniformly, and cooling to obtain a finished product.

5. The method for preparing environment-friendly polymer rolling fluid according to claim 4, wherein the mass ratio of the total mass of the polymer nano vegetable oil, the mineral oil, the oiliness agent, the extreme pressure agent, the antirust agent, the surfactant, the acrylic acid, the sodium hydroxide, the emulsifier, the crosslinking agent and the flame retardant to the defoaming agent is 1-2: 0.01-0.02.

6. The method for preparing environment-friendly polymer rolling fluid as claimed in claim 4, wherein the temperature is reduced to 30-35 ℃.

7. The method for preparing environment-friendly polymer rolling fluid as claimed in claim 4, wherein the finished product is microemulsion rolling concentrate.

8. The use method of the environment-friendly polymer rolling fluid as claimed in any one of claims 1 to 3, wherein the rolling fluid is used as a stock solution and diluted in a solvent ratio.

9. The use method of the environment-friendly polymer rolling liquid as claimed in claim 8, wherein the volume ratio of the rolling liquid to the solvent is 1: 100-200.

10. The use method of the environment-friendly polymer rolling fluid as claimed in claim 9, wherein the solvent comprises water.

Background

Rolling fluids in the prior art conventionally include water-based rolling fluids and oil-based rolling fluids. Water-based rolling fluids are being vigorously developed in many countries, especially in the hydraulic fluids and metal working industries. Compared with oil-based rolling liquid, the water-based rolling liquid has the problems of poor lubricating property, poor slow-release antirust property and the like, and the development and application of the water-based rolling liquid are limited to a certain extent. The use of the traditional oil-based rolling liquid has the defects of oil fume pollution, severe production environment, cooling water polluted by residues and the like, and is increasingly limited in the use process.

Meanwhile, most of the traditional water-based rolling fluids and oil-based rolling fluids have high temperature resistance and molecular weight, so the traditional water-based rolling fluids are easy to agglomerate, thicken and block nets, the product quality fluctuation is easy to cause, preservatives are required to be added to prevent peculiar smell, and the pollution, waste and other problems are caused by periodic discharge and replacement.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a high-molecular environment-friendly rolling liquid, and a preparation method and a use method thereof.

The technical scheme adopted by the invention is as follows: the polymer environment-friendly rolling liquid is mainly prepared from the following raw materials in parts by weight:

40-240 parts of high-molecular nano vegetable oil, 5-30 parts of mineral oil, 10-60 parts of an oiliness agent, 20-150 parts of an extreme pressure agent, 0.1-0.5 part of an antirust agent, 1.2-2.5 parts of a surfactant, 10-60 parts of acrylic acid, 3-20 parts of sodium hydroxide, 0.5-2 parts of an emulsifier, 0.1-0.6 part of a cross-linking agent and 1-3 parts of a flame retardant.

The environment-friendly polymer rolling fluid is synthetic grease type rolling fluid which takes polymer nanometer vegetable oil (non-mineral oil) as base oil and is formed by compounding a plurality of synthetic grease and various auxiliary materials for multiple times. After the high-molecular nano vegetable oil and the mineral oil are fused, under the neutralization reaction of acrylic acid and sodium hydroxide, an emulsifier and a cross-linking agent are added to complete the emulsification and cross-linking processes, so as to obtain the micro-emulsified concentrated rolling liquid. The diameter of the oil drops of the diluent reaches the nanometer level when emulsifying, the diameter of the oil drops of the diluent is smaller than 1 mu m, and the diluent is transparent or semitransparent. Meanwhile, by utilizing the extreme pressure agent, the antirust agent and the flame retardant, the rolling liquid is further ensured to have the characteristics of good lubricity, high concentration, no caking, good net permeability, no peculiar smell, no pollution discharge, high temperature resistance, long antirust period, no harm to human bodies, strong antioxidant capacity and the like. The high-molecular environment-friendly rolling liquid has the advantages of good cooling effect of the water-based rolling liquid and good lubricating property of the oil-based rolling liquid, makes up the defects of the water-based rolling liquid and the oil-based rolling liquid, and achieves excellent combination of comprehensive properties. The high-molecular environment-friendly rolling liquid has good stability, high temperature resistance, small molecular weight and good lubricity, can achieve long-term sterilization, algae removal and peculiar smell elimination by utilizing an electromagnetic circulation technology under the condition of no need of heating, thus being capable of avoiding caking and blocking a net, realizing zero emission and being a novel energy-saving, safe and environment-friendly product.

Preferably, the rolling liquid is mainly prepared from the following raw materials in parts by mass:

80-200 parts of high-molecular nano vegetable oil, 10-25 parts of mineral oil, 20-50 parts of an oiliness agent, 40-120 parts of an extreme pressure agent, 0.2-0.4 part of an antirust agent, 1.8-2.2 parts of a surfactant, 20-50 parts of acrylic acid, 7-17 parts of sodium hydroxide, 1-1.8 parts of an emulsifier, 0.2-0.5 part of a cross-linking agent and 1.5-2.8 parts of a flame retardant.

The polymer nano vegetable oil is a polymer material obtained by modifying vegetable oil by ferroferric oxide nano particles. The polymer material is a material based on a polymer compound. The polymer material is a material composed of compounds with relatively high molecular mass, and comprises rubber, plastics, fibers, paint, an adhesive and a polymer-based composite material, and the polymer is a life existing form. All living organisms can be regarded as a collection of macromolecules.

Preferably, the rolling liquid is mainly prepared from the following raw materials in parts by mass:

150 parts of high-molecular nano vegetable oil, 19 parts of mineral oil, 39 parts of an oiliness agent, 80 parts of an extreme pressure agent, 0.3 part of an antirust agent, 2 parts of a surfactant, 39 parts of acrylic acid, 13 parts of sodium hydroxide, 1.5 parts of an emulsifier, 0.35 part of a crosslinking agent and 2.2 parts of a flame retardant.

The oily agent is usually animal and vegetable oil or a compound having a polar group at the terminal of a hydrocarbon chain, and the compound has a strong affinity for metals, and the function of the oily agent is to adsorb the polar group on a friction surface to form a molecular orientation adsorption film to prevent the metals from contacting with each other, thereby reducing friction and abrasion. Also known as an oil additive. A compound having a polar group at the end of a hydrocarbon chain. An adsorption film can be formed on the metal surface, thereby preventing contact friction between metals. The following are mainly available: (1) higher fatty acids such as palmitic acid and oleic acid; (2) higher alcohols such as lauryl alcohol and cetyl alcohol; (3) fatty acid esters such as fats and oils and butyl stearate; (4) alkylamines, such as cetylamine and oleamide; (5) acid phosphates such as lauryl acid phosphate and oleyl acid phosphate; (6) organic sulfur compounds, such as sulfurized sperm oil and sulfurized oleic acid.

Extreme pressure agents include, but are not limited to, chlorinated paraffins, sulfurized olefins, sulfurized lard, phosphate esters, phosphates, ZDDP, sulfurized oleic acid, sulfurized cottonseed oil.

Rust inhibitors include, but are not limited to, alkaline earth metal salts of fatty acids or naphthenic acids, lead naphthenate, zinc naphthenate, sodium petroleum sulfonate, barium petroleum sulfonate, calcium petroleum sulfonate, tallow diamine trioleate, rosin amine, and the like.

Surfactants include, but are not limited to, anionic surfactants (calcium octacosanoate, dodecasodium phytate, hexasodium phytate), cationic surfactants (tallow amine polyoxyethylene ether hydrochloride, chlorhexidine di (undecylenic acid) salt), nonionic surfactants (ginseng seed oil, ayurvedic seed fat), and zwitterionic surfactants (nicotinyl tartrate).

Emulsifiers include, but are not limited to: 1. and (3) a negative ion type emulsifier. Is an emulsifier which is ionized in water to generate negative ion hydrophilic groups with alkyl or aryl, such as carboxylate, sulfate, sulfonate and the like. Such emulsifiers are most commonly used and are commonly commercially available: soap (C)_15～17H_31～37COONa), stearic acid sodium salt (C)₁₇H₃₅COONa), sodium dodecyl sulfate (C)₁₂H₂₅SO₄Na) and calcium dodecylbenzenesulfonate. The anionic emulsifier is required to be used under alkaline or neutral conditions. When a plurality of emulsifiers are used for preparing the emulsion, the anionic emulsifiers can be mixed with each other or can be mixed with the nonionic emulsifiers for use. The anionic and cationic emulsifiers cannot be used simultaneously in one emulsion, and if used in combination, the emulsion stability is impaired. 2. A cationic emulsifier. Is ionized in water to generate a positive ion hydrophilic group with alkyl or aryl. The emulsifier is a few in variety and is a derivative of an amine, such as N-dodecyl dimethylamine, which can be used for polymerization. 3. A non-ionic emulsifier. It features no ionization in water. The hydrophilic part of the hydrophilic part is various polar groups, and polyoxyethylene ether and polyoxypropylene ether are common. Its lipophilic part (alkyl or aryl) is directly bonded to the oxyethylene ether bond. Typical products are p-octylphenol polyoxyethylene ether: the oxygen atoms of the polyether chain of the nonionic emulsifier can be hydrogen bonded to water and thus can be dissolved in water. It can be used under acidic condition or alkaline condition, and has good emulsifying effect, and can be extensively used in the production of chemical industry, textile, pesticide, petroleum and latex, etc..

Crosslinking agents include, but are not limited to, dicumyl peroxide (DCP), Benzoyl Peroxide (BPO), di-t-butyl peroxide (DTBP), dicumyl peroxide, 2, 5-dimethyl-2, 5-di-t-butylperoxyhexane.

Flame retardants include, but are not limited to, organic and inorganic flame retardants, halogenated flame retardants (organic chlorides and organic bromides), and non-halogenated. Organic flame retardants are represented by bromine, phosphorus-nitrogen, red phosphorus and compounds, and inorganic flame retardants are mainly flame retardant systems such as antimony trioxide, magnesium hydroxide, aluminum hydroxide, silicon and the like. Aluminum-magnesium based flame retardants, i.e., magnesium hydroxide, aluminum hydroxide; phosphorus flame retardants, red phosphorus master batches, and the like; nitrogen flame retardants MCA, MA, etc.; some also employ silicone flame retardants.

A method for preparing environment-friendly polymer rolling fluid as claimed in any one of claims 1 to 3, wherein the method comprises selecting polymer nano vegetable oil, mineral oil, oiliness agent, extreme pressure agent, antirust agent, surfactant, acrylic acid, sodium hydroxide, emulsifier, cross-linking agent and flame retardant according to corresponding proportion, mixing uniformly, adding defoaming agent, mixing uniformly, and cooling to obtain the finished product.

The preparation method of the environment-friendly high-molecular rolling fluid is simple in preparation process, free of addition of preservatives, capable of obtaining a finished product without heating and long-term stirring, energy-saving, consumption-reducing and free of toxic and side effects.

Preferably, the mass ratio of the total mass of the high-molecular nano vegetable oil, the mineral oil, the oiliness agent, the extreme pressure agent, the antirust agent, the surfactant, the acrylic acid, the sodium hydroxide, the emulsifier, the crosslinking agent and the flame retardant to the defoaming agent is 1-2: 0.01-0.02.

Preferably, the temperature is reduced to 30-35 ℃.

Preferably, the finished product is a micro-emulsified concentrated rolling liquid.

The use method of the environment-friendly polymer rolling fluid as defined in any one of claims 1 to 3, wherein the rolling fluid is used as a stock solution and diluted in a solvent ratio.

Preferably, the volume ratio of the rolling liquid to the solvent is 1: 100-200.

Preferably, the solvent comprises water.

The rolling liquid is used as the stock solution, is convenient to transport, has the convenience of random use and dilution at any time, has a longer quality guarantee period and low production cost, and is convenient for industrial production.

The invention has the beneficial effects that:

the invention provides a high molecular environment-friendly rolling fluid, which is a synthetic grease type synthetic rolling fluid taking high molecular nano vegetable oil (non-mineral oil) as base oil, and is formed by compounding multiple synthetic greases and various auxiliary materials through multiple synthesis. After the high-molecular nano vegetable oil and the mineral oil are fused, under the neutralization reaction of acrylic acid and sodium hydroxide, an emulsifier and a cross-linking agent are added to complete the emulsification and cross-linking processes, so as to obtain the micro-emulsified concentrated rolling liquid. The diameter of the oil drops of the diluent reaches the nanometer level when emulsifying, the diameter of the oil drops of the diluent is smaller than 1 mu m, and the diluent is transparent or semitransparent. Meanwhile, by utilizing the extreme pressure agent, the antirust agent and the flame retardant, the rolling liquid is further ensured to have the characteristics of good lubricity, high concentration, no caking, good net permeability, no peculiar smell, no pollution discharge, high temperature resistance, long antirust period, no harm to human bodies, strong antioxidant capacity and the like.

The high-molecular environment-friendly rolling liquid has the advantages of good cooling effect of the water-based rolling liquid and good lubricating property of the oil-based rolling liquid, makes up the defects of the water-based rolling liquid and the oil-based rolling liquid, and achieves excellent combination of comprehensive properties. The environment-friendly high-molecular rolling liquid has good stability, can resist the high temperature of 600 ℃, has small molecular weight and good lubricity, can achieve long-term sterilization, algae removal and peculiar smell elimination by utilizing the electromagnetic circulation technology under the condition of no need of heating, thus being capable of avoiding caking and blocking a net, realizing zero emission and being a novel energy-saving, safe and environment-friendly product.

The preparation process is simple, no preservative is added, the finished product can be obtained without heating and long-term stirring, the energy is saved, the consumption is reduced, and no toxic or side effect is caused.

The rolling liquid is used as a stock solution, is convenient to transport, has the convenience of random use and dilution at any time, has a longer quality guarantee period and low production cost, and is convenient for industrial production.

Drawings

FIG. 1 is a schematic diagram of a sample for product detection.

Detailed Description

The present invention is further illustrated below with reference to specific examples. It will be appreciated by those skilled in the art that the following examples, which are set forth to illustrate the present invention, are intended to be part of the present invention, but not to be construed as limiting the scope of the present invention. The reagents used are all conventional products which are commercially available.

Example 1:

a preparation method of a high molecular environment-friendly rolling liquid comprises the steps of selecting 400 g of high molecular nano vegetable oil, 50 g of mineral oil, 100 g of an oiliness agent, 200 g of an extreme pressure agent, 1 g of an antirust agent, 12 g of a surfactant, 100 g of acrylic acid, 30 g of sodium hydroxide, 5 g of an emulsifier, 1 g of a cross-linking agent and 10 g of a flame retardant according to corresponding proportions, mixing uniformly after 9.09 g of a defoaming agent is added, mixing uniformly, and cooling to 30 ℃ to obtain a finished product of the micro-emulsified concentrated rolling liquid.

The application method of the environment-friendly polymer rolling liquid comprises the step of diluting the rolling liquid serving as a stock solution with water according to a volume ratio of 1: 100.

Example 2:

a preparation method of a high molecular environment-friendly rolling liquid comprises the steps of selecting 2400 g of high molecular nano vegetable oil, 300 g of mineral oil, 600 g of an oiliness agent, 1500 g of an extreme pressure agent, 5 g of an antirust agent, 25 g of a surfactant, 600 g of acrylic acid, 200 g of sodium hydroxide, 20 g of an emulsifier, 6 g of a cross-linking agent and 30 g of a flame retardant according to corresponding proportions, mixing uniformly after adding 56.86 g of a defoaming agent, and cooling to 35 ℃ to obtain a finished product of the micro-emulsified concentrated rolling liquid.

The application method of the environment-friendly polymer rolling liquid comprises the step of diluting the rolling liquid serving as a stock solution with water according to a volume ratio of 1: 100.

Example 3:

a preparation method of a high molecular environment-friendly rolling liquid comprises the steps of selecting 80 g of high molecular nano vegetable oil, 100 g of mineral oil, 200 g of an oiliness agent, 400 g of an extreme pressure agent, 2 g of an antirust agent, 18 g of a surfactant, 200 g of acrylic acid, 70 g of sodium hydroxide, 10 g of an emulsifier, 2 g of a cross-linking agent and 15 g of a flame retardant according to corresponding proportions, uniformly mixing, adding 18.17 g of a defoaming agent, uniformly mixing, and cooling to 30 ℃ to obtain a finished product of the micro-emulsified concentrated rolling liquid.

The application method of the environment-friendly polymer rolling liquid comprises the step of diluting the rolling liquid serving as a stock solution with water according to a volume ratio of 1: 200.

Example 4:

a preparation method of a high molecular environment-friendly rolling liquid comprises the steps of selecting 2000 g of high molecular nano vegetable oil, 250 g of mineral oil, 500 g of an oiliness agent, 1200 g of an extreme pressure agent, 4 g of an antirust agent, 22 g of a surfactant, 500 g of acrylic acid, 170 g of sodium hydroxide, 18 g of an emulsifier, 5 g of a cross-linking agent and 28 g of a flame retardant according to corresponding proportions, mixing uniformly, adding 46.97 g of a defoaming agent, mixing uniformly, and cooling to 35 ℃ to obtain a finished product of the micro-emulsified concentrated rolling liquid.

The application method of the environment-friendly polymer rolling liquid comprises the step of diluting the rolling liquid serving as a stock solution with water according to a volume ratio of 1: 200.

Example 5:

the preparation method of the environment-friendly polymer rolling liquid comprises the steps of selecting 1500 g of polymer nano vegetable oil, 190 g of mineral oil, 390 g of oiliness agent, 800 g of extreme pressure agent, 3 g of antirust agent, 20 g of surfactant, 390 g of acrylic acid, 130 g of sodium hydroxide, 15 g of emulsifier, 3.5 g of cross-linking agent and 22 g of flame retardant according to corresponding proportion, mixing uniformly, adding 34.635 g of defoaming agent, mixing uniformly, and cooling to 35 ℃ to obtain a finished product of the micro-emulsified concentrated rolling liquid.

The application method of the environment-friendly polymer rolling liquid comprises the step of diluting the rolling liquid serving as a stock solution with water according to a volume ratio of 1: 100.

Test examples

The test product is the finished product of the microemulsion concentrated rolling liquid prepared in the experimental example 5.

The properties of the test product were:

first, preparation of early stage of experiment

The northern gulf new material metal rolling limited company, Guangxi Eisenge mechanical and electrical equipment limited company and Shanghai Yuan Runzhi limited company have conducted extensive technical communication with innovative environment-friendly high-molecular rolling liquid from 2020, and all the parties consider that the high-molecular rolling liquid has technical advancement advantages in various aspects such as safety, environmental protection, quality assurance, energy conservation and comprehensive cost, and decide to perform use test on No. 5 solid solution three continuous rolling continuous back washing composite line of the northern gulf new material metal rolling limited company, and test and examination items are as follows: safety, environmental protection, quality, energy conservation and comprehensive benefits.

Trial and evaluation time:

11-2021-6 months in 2020 for 8 months

Preparation of evaluation

1.1, design of concentration and proportion of rolling liquid: according to a sequential descending mode, on the premise of ensuring the rolling quality of the stainless steel plate, the preset high polymer material proportion and concentration interval target is gradually reached to 1% -2.5%.

1.2, quality assurance requirements

The quality inspection departments of metal rolling mills measure the surface uniformity, smoothness and roughness of different stainless steel plates, implement judgment on the surface quality, record whether scratches, color differences and quality objections exist or not, and determine whether the quality meets the qualified requirements or not.

1.3 preparation for trial

(1) The total amount of the polymer rolling liquid is 8.5 tons.

(2) And installing an electromagnetic circulating device.

(3) And installing an intelligent online liquid adding concentration instrument.

Second, evaluation procedure

2.1, safety assessment

2020.12 month, the high-molecular rolling liquid is verified to resist the high temperature of 600 ℃ by a field test method. According to the on-site high-temperature combustion comparison conclusion, the high-molecular rolling liquid is not combusted at all, and other original rolling liquids are instantaneously ignited and combusted at the same temperature. The stand and the vacuum filter paper are clean, so that the potential ignition hazard that oil mist or oil sludge is easily generated by the oil rolling liquid in a rolling production line and a production environment in the metallurgical industry can be avoided by the high-molecular rolling liquid, and a solid foundation is tamped for the safety production of enterprises in the product technology.

2.2 evaluation of environmental protection

2.2.1 zero emission

2020.11-2021.5 pass the comprehensive verification of on-site rolling of polymer rolling liquid for six months, oil tank switching and circulating storage time in long period of the oil tank, and no waste is discharged in the period. The macromolecule rolling liquid can be matched with a unique electromagnetic circulation technology, so that long-period recycling can be ensured, sterilization and algae removal can be carried out for a long time, peculiar smell can be eliminated, the purposes of recycling the rolling liquid and realizing zero emission of grease waste are achieved, and the rolling liquid is a novel zero-emission environment-friendly rolling liquid product.

2.2.2 environmental cleaning

Through on-site verification, the polymer rolling liquid on-site is tasteless and free of any oil smoke and oil mist during trial rolling, the on-site environment is clean, the physical and mental health of on-site workers can be guaranteed, the surface of the plate can be clean, the quality of the plate is improved, and the rolling liquid is a novel safe and environment-friendly rolling liquid product.

2.3, quality assessment

2.3.1 trial rolling 2021.4.15 in the first stage, rolling 5-gauge 200-series 2B plate, hardness 230-256 HV, rolling force 16.362MN, rolling reduction 38.4-42.24% and rolling liquid concentration 1.85%.

And (4) conclusion: the stainless steel plate with the widest and the hardest difficulty in China is tried to be rolled, the rolling reduction and the rolling force are not easy to achieve, and the rolling liquid in the proportion can completely meet the rolling quality requirement of the stainless steel plate with the conventional quality.

2.3.2 the second stage is trial rolling 2021.4.21-4.23, the rolling variety 200 is 4-ruler black skin 2E plates, the total number of the trial rolling is 163 coils with the hardness of 275-310 HV, the average rolling force is 13.46MN, the rolling reduction is 31.81-42.22%, the concentration of rolling liquid is 1.45%, and the quality is not objected.

And (4) conclusion: the rolling liquid in the proportion can completely meet the continuous rolling quality requirement of stainless steel plates with conventional quality, and 9 coils of the stainless steel plates are not changed in rolls, so that the roll changing time of the rolling liquid is nearly doubled compared with that of the conventional rolling liquid, and the yield can be greatly improved.

2.3.3 third stage trial rolling 2021.5.2-5.11

2021.5.2-5.7 rolling variety 300 series four-ruler black skin 2E plates, the hardness is 260HV, the total number of trial rolling is 141 coils, the average rolling force is 11.95MN, the rolling reduction is 46.42-51.85%, the concentration of rolling liquid is 1.25%, and the quality is not different.

2021.5.8-5.11 rolling variety S600 white skin plates, the hardness is 22-32 HRB, the total number of trial rolling is 93 coils, the average rolling force is 10.56MN, the rolling reduction is 42.2%, the concentration of rolling liquid is 1.25%, and the quality is not objected.

And (4) conclusion: the rolling liquid in the proportion can completely meet the requirements of long-period continuous rolling quality and yield of stainless steel plates with conventional quality.

2.4 energy saving assessment

2.4.1 reduction of heating losses in Rolling Mill Roots

White leather board	Original rolling liquid	High-molecular rolling liquid
			Heating temperature of rolling liquid	50～60℃	Normal temperature 35-38 deg.C
Consuming energy	1.5～2.1t/h	0
			Black board	Original rolling liquid	High scoreChild rolling liquid
Heating temperature of rolling liquid	50～60℃	Normal temperature 35-38 deg.C
			Consuming energy	1.5～2.0t/h	0

Remarking: the saturated steam of a procurement power plant is 180 ℃, the pressure is 0.8-1.0 MPa, and 158 yuan per ton.

2.4.2 reduction of post-Process degreasing fluids, Water consumption and heating losses

The high molecular rolling liquid is synthetic fat type rolling liquid with non-mineral oil as base oil, and has nanometer level diameter, oil drop diameter smaller than 1 micron, and transparent or translucent diluent. Through this rolling trial, verify that the face is clean and greasy dirt free. Not only the product quality is ensured, but also the concentration and the dosage of the degreasing fluid in the subsequent degreasing process of the rolling line can be greatly reduced; the degreasing fluid can be recycled, so that 90% of water resource waste and sewage discharge are reduced; if the macromolecule degreasing fluid matched with the macromolecule rolling fluid is continuously adopted, the weak degreasing or degreasing-free effect can be achieved, and the high energy consumption and waste of the heating of the original degreasing fluid can be avoided.

2.5, evaluation of comprehensive benefits

2.5.1 reduction of Rolling Mill waste disposal costs

Item	Original rolling liquid	High-molecular rolling liquid	Comparison
				Discharge of annual wastes	660m3	300m3	-360m3
Annual waste disposal fee	15180 yuan	3750 yuan	-11430 element

Note: the comprehensive cost of the original rolling oil is higher by about 23 yuan/m and the comprehensive cost of treating oil-containing wastewater by adding agents such as a calcium chloride demulsifier and the like to the emulsion treatment³(ii) a Normal wastewater treatment of high-molecular rolling liquid at 12.5 yuan/m³。

2.5.2 reduction of heating costs of Rolling Mill and spent degreasing fluids

Item	Original rolling liquid	High-molecular rolling liquid	Comparison
				Annual heating steam amount	5256 ton	O	All can save
Annual heating costs	83.05 ten thousand yuan	0	All can save

Remarking: the saturated steam of a procurement power plant is 180 ℃, the pressure is 0.8-1.0 MPa, and 158 yuan per ton.

2.5.3 reduction of Rolling Mill

Item	Original rolling liquid	High-molecular rolling liquid	Comparison
				Consumption per ton of steel rolled	0.89kg/t	0.05kg/t	-0.84kg
Cost per ton of steel rolling liquid	19.14 Yuan/t	12.5 Yuan/t	6.64 Yuan/t

Note: the consumption obtains the total amount according to the annual planned yield, and the normal calculation of unit consumption is accurate.

2.5.4 the roll change time of the rolled meter number roll is prolonged, and the yield of the plate can be improved

2.5.5 reducing the cost of sewage disposal

Item	Raw degreasing fluid	High-molecular degreasing fluid	Comparison
				Annual sewage discharge	90000m3	54000m3	36000m3
Annual sewage disposal fee	172.8 ten thousand yuan	67.5 ten thousand yuan	-105.3 ten thousand yuan

Note: about 250m of original degreasing fluid³About one day, and the degreased oily wastewater is 19.2 yuan/m³(ii) a The macromolecule degreasing fluid is easy to process 12.5 yuan/m³Large amount after useReducing the amount of water and oily wastewater.

In conclusion, the polymer rolling liquid has the following safety: the high-molecular rolling liquid can resist the high temperature of 600 ℃, the volatilization loss of the rolling liquid is less, and the potential safety hazard of ignition of oil mist or oil sludge generated by the oily rolling liquid is avoided;

has the following environmental protection: the oil smoke-free cleaning agent is harmless to human bodies, does not cause itching when skin is contacted, is easy to clean, is beneficial to a rolling line environment, and has no oil smoke volatilization in a system; the system can be recycled for a long period by matching with a unique electromagnetic circulation technology, and does not need to be discharged.

Has the following lubricating property: the polymer concentrated solution with super strong formula is matched with 95-99% of demineralized water, so that the lubricating property is excellent;

no smell: the principle of the method is that anaerobic bacteria are converted into aerobic bacteria under the action of electromagnetic water waves, so that the common phenomena that rolling liquid in the industry needs a large amount of steam for heating and has peculiar smell after being used for a period of time are solved;

has the antirust capacity: the rust prevention time in the metallurgical industry can reach 5 to 7 days;

has the following oxidation resistance: the oxidation resistance of the nonferrous metal industry can reach three months;

has the following stability: the nano-scale product water solution has small molecular weight, good stability, no adhesion, no agglomeration and good net permeability;

comprehensive cost performance: the imported product has the performance, the price of the domestic product and the high cost performance.

Product detection report:

the detection sample is the finished product of the micro-emulsified concentrated rolling liquid in the example 5.

Detection report number: no. shamlp 1915934701.

Detection unit: SGS standard technical service (shanghai) ltd.

Sample number: SN 1; SGS sample ID SHA 19-159347.001; description of the samples: translucent liquid as shown in fig. 1.

Remarking: (1) 0.0001% for 1 mg/kg; (2) MDL is the method detection limit; (3) ND ═ undetected (< MDL); (4) "-" is not specified.

The test method comprises the following steps: reference IEC 62321-4: 2013+ AMD 1: 2017, IEC62321-5:2013, IEC62321-7-2:2017, IEC62321-6:2015 and IEC62321-8:2017, and ICP-OES, UV-Vis and GC-MS are adopted for analysis.

The present invention is not limited to the above alternative embodiments, and any other products in various forms can be obtained by the present invention, and the present invention is within the protection scope of the present invention. The above embodiments should not be construed as limiting the scope of the present invention, and it will be understood by those skilled in the art that modifications may be made to the technical solutions described in the above embodiments, or equivalent substitutions may be made to some or all of the technical features thereof, without departing from the scope of the present invention, and at the same time, such modifications or substitutions may not make the essence of the corresponding technical solutions depart from the scope of the embodiments of the present invention.