69 results about "Carbolineum" patented technology

A modified coal asphalt with linear resin molecule structure and adjustable softening point is prepared from one or more of coal tar, antracene oil, phenol oil, naphthelene oil and the coal asphalt with softening point lower than 130 deg.C through using acid to regulate pH value, and polymerizing reaction on formaldehyde or tripolyformaldehyde or polyformaldehyde which controlling temp, pressure and time.

The invention relates to taphole clay for maintaining the a blast furnace iron notch and a preparation method thereof, aiming at solving the defects of heavy population or high cost caused by the full application of tar, carbolineum or phenolic resin, difficult low temperature tapping, complex process, and the like of the prior art. The measure is as follows: the blast furnace taphole clay, which is characterized by including the components according to parts by weight: 70 to 97 parts of refractory material matrix, 5 to 15 parts of carbon-containing material and 15 to 30 parts of composite binder, wherein the carbon-containing material is asphalt or regenerative carbon powder; and the composite binder is the mixture of phenolic resin and tar. The technology comprises the following steps: the components formed the refractory material matrix are uniformly mixed and are heated to the temperature ranging from 30 to 100 DEG C; the carbon-containing material is heated to 20 to 80 DEG C; the composite binder is heated to 35 to 90 DEG C; the heated refractory material matrix is stirred with the carbon-containing material for 5 to 15min; the heated composite binder is added into the mixture obtained in the last step, and the action of rolling compaction is executed for 20 to 60min; and the rolled and compacted materials are added into an extruder to be shaped and packed for standby use. The invention has the advantages of low pollution, favorable strength of the taphole clay, high application property, favorable associativity of old and new taphole clay and simple process.

The invention discloses anhydrous stemming for a blast furnace. The anhydrous stemming is made of the following raw materials in percentage by weight: 16-22 percent of alumina, 18-22 percent of coke, 14-16 percent of clay, 18-22 percent of composite powder, 6-7 percent of modified pitch, 4-6 percent of kyanite and 11-18 percent of composite binder. The composite binder consists of tar and anthracene oil, wherein the weight ratio of tar to anthracene oil is 3:7. The composite powder consists of the following raw materials in percentage by weight: 34-38 percent of brown aluminum oxide, 14-18 percent of sericite, 18-22 percent of silicon carbide and 26-30 percent of silicon nitride. The anhydrous stemming for the blast furnace has the advantages that the qualification rate of iron notch depth is improved, the opening leakage and reopening rate and the dill immobility rate are reduced, the molten iron drainage time is prolonged, the anti-scouring and anti-erosion capacity is stronger, theprobability of iron notch opening leakage and the moisture of the iron notch are greatly reduced and the material consumption during iron notch opening at the front of the furnace is lower.

The invention relates to a processing method of coal tar. The processing method is characterized by comprising the following steps of: dewatering tar; distilling the tar; sequentially distilling the dewatered tar by adopting continuous type distillation devices, namely a first-stage evaporator and a second-stage evaporator, to respectively obtain light oil, asphalt, anthracene oil II, anthracene oil I, mixed oil III; washing and decomposing: alkalizing the mixed oil III to generate water-soluble phenoxide which can be separated from water-insoluble naphthalene washing distillates so as to provide a raw material for industrial naphthalene; evaporating the separated neutral phenoxide to obtain pure sodium phenolate; decomposing by using sulphuric acid to finally obtain crude phenol of which phenol content is more than or equal to 83%; and distilling industrial naphthalene: dewatering washed mixed distillates, carrying out heat exchange with industrial naphthalene steam to 190-210 DEG C, cutting phenol oil distillates in a primary distillation tower, and cutting the industrial naphthalene and wash oil distillates in a rectifying tower. The process method disclosed by the invention is simple and reasonable in process, reduces the energy consumption and plays an energy conservation role by sufficiently utilizing the afterheat of products in the distillation process of the tar and prevents the flue gas from polluting the environment by arrangement of an exhaust cleaning tower in a washing and decomposing procedure.

The invention discloses a tar-type coal water slurry additive prepared from composite raw materials and a production technology of the tar-type coal water slurry additive.The tar-type coal water slurry additive is synthesized by mixing the main materials such as scrubbing oil, naphthalene oil, anthracene oil and papermaking wastewater in different mass ratios, subjecting a mixture to processes such as sulfonation and condensation, and adding a pore blocking agent carbonate into a synthesized product.The tar-type coal water slurry additive has the advantages that the tar-type coal water slurry additive has the characteristic of general dispersants, namely improvement in coal surface hydrophility; electrostatic repulsion among particles is enhanced, so that improvement in coal slurry fluidity is benefited; since strong stereo-hindrance effect is generated, slurry rheologic stability is achieved; the tar-type coal water slurry additive has specific cooperative synergism characteristic, and accordingly mutually complementary cooperative synergism is achieved; the tar-type coal water slurry additive is good for slurry forming ability of coal types different in coalification degree, is particularly applicable to low-rank coal, and is high in slurry forming concentration and excellent in coal slurry fluidity and stability under the condition that additive coal-based consumption is not more than 1.0%.

The invention relates to a cathode paste for slit connection between the moistening cathode blocks of aluminum cell and method of use, wherein the cathode paste comprises binder with 1:4-5 weight ratio and dry matter with 8mm particle size, the composition by weigh percent of the dry matter is, calcinations anthracite coal 10%-60%, calcinations petroleum coke 5%-15%, metallurgy coke 5%-30%, TiB2 15%-60%, coal pitch 20%-80% containing 5%-20% wt. percent of artificial graphite or native graphite, coal tar 5%-80%, anthracene oil 5%-40% as binder.

A method for preparing mesotherm and modified asphalt in single tower at onece time includes dewatering coal tar material to be water content less than or equal to 5%, heating hearth temperature to be 800-900 deg.C for causing negative pressure at interval tower with vacuum degree of 0.04-0.075 Pa, heating and distilling to extract out trivalent oil and anthrasol, obtaing mesotherm asphalt by cooling residue and heating mesotherm asphalt to obtain modified asphalt through cooling.

The invention provides a preparation method for a carbon cathode material of a lithium ion battery. The method comprises the following steps of: performing polyreaction on petroleum asphalt or coal pitch used as a raw material at the temperature of 400-460 DEG C; at the later stage of reaction, sampling and observing by use of a polarizing microscope; when the system interphase content reaches 20-80%, terminating the reaction; cooling and then smashing so as to obtain a raw material A; preparing a raw material B from powdered carbon, natural graphite powder, artificial graphite powder or a mixture thereof, wherein the average grain diameter of any of the powdered carbon, the natural graphite powder and the artificial graphite powder is 10-25 mu m; preparing a raw material C from organic solvents such as heavy oil, absorber oil and anthracene oil; mixing the raw material A, the raw material B and the raw material C at a temperature of 150-200 DEG C according to the condition that A/B is equal to (5-70)/(30-95) or (A+B)/C is equal to (20-70)/(30-80); then performing thermal treatment at a temperature of 400-600 DEG C while stirring; and finally performing carbonizing treatment and graphitization treatment. The carbon cathode material prepared by the preparation method provided by the invention has the advantages of high capacity and long cycle life.

The invention relates to a process and equipment for preparing carbon nanofiber. A liquid-state or gas-state hydrocarbon is taken as a carbon source, and the carbon source is one or the mixture of aromatic heavy oil, residual oil, coal tar, mixed benzene, coal pitch, coke oven gas, anthracene oil, naphthalene oil, carbolic oil, CH4, C2H2 or toluene. The process comprises the following steps of: uniformly mixing the carbon source and a catalyst in a static mixer according to a certain proportion; spraying under a high pressure by using a honeycomb duct and introducing into a cracking reaction furnace; performing a cracking reaction at the material flow speed of between 1,000 <3>h<-1> and 3,000 m<3>h<-1> at the temperature of between 1,000 DEG C and 1,400 DEG C under the pressure of between 0.5 MPa and 3.0 MPa so as to obtain carbon nanofiber; separating gas from solid by using a cyclone separator; and recycling hot air stream for preheating raw materials so as to save energy. The diameter of the prepared carbon nanofiber can be between 20 nanometers and 100 nanometers, the length is between 300 nanometers and 5 microns, and the content of fiber in a product is up to 90 percent. In a method, gas-state and liquid-state carbon-containing hydrocarbons are taken as the carbon source, so that carbon source is very rich, and price is low. The invention has the characteristics that: the method is safe and easy and is easy to realize industrial production, price is low, carbon source transformation rate is high, and the like.

The invention relates to a bonding agent used for magnesia carbon-containing refractory materials , which consists of materials with weight proportions as follows: 100 proportions of phenolic resin; aromatic polyester and coal tar pitch with the weight accounting for 15-30% of the weight of the phenolic resin or polyamide resin; coal tar distillation anthracene oil product with the weight accounting for 50-60% of the weight of the coal tar pitch; and solvent with the weight accounting for 17-32% of the weight sum of the four materials. The beneficial effects are as follows: a series of products of the bonding agent used for the magnesia carbon-containing refractory materials are provided, and the production cost is reduced greatly, thus having obvious economic and social benefits. The product quality is stable and reliable, the performance of the bonding agent meets the standard of the existing bonding agent by inspection, and solid content and residual carbon amount are significantly higher than the existing bonding agent of the refractory materials, thus leading the performance indicators of the refractory materials to be improved.

The invention relates to a formula of imitative wood filling slurry of a building formwork supporting keel and a processing method. The formula comprises reclaimed rubber powder, plant fibers, hydraulic cementing materials, an additive agent and water. The processing method comprises the following steps of: (1) detecting and adjusting the particle size of the reclaimed rubber powder to accord with a combination requirement for later use; (2) carrying out immersion treatment on sawdust or pulverized matters of crop platycodon grandiflorum by using antiseptic oil or coal tar or anthracene oil for later use; (3) firstly, placing the reclaimed rubber powder, the plant fibers and the hydraulic cementing materials processed for later use in a high-speed mixing device according to the proportion of the components, adding water and the additive agent after mixing for 2-3 minutes, mixing for 2-3 minutes again to prepare the imitative wood filling slurry for the building formwork supporting keel. The imitative wood filling slurry has the remarkable advantages of low cost, high strength and convenience for processing.

The invention discloses a method for producing N375 carbon black from blended oil. Carbon black production raw material oil is composed of 50% of ethylene bottom oil, 20% of anthracene oil and 30% ofcoal tar through proportioning or 35% of ethylene bottom oil, 35% of anthracene oil and 30% of coal tar. The method has the technical effects that 1) the source of carbon black production raw materialoil is expanded, a part of coal tar series oil is replaced by ethylene bottom oil as the carbon black production raw material oil; 2) an oil formula is optimized and adjusted, control on internal indexes of carbon black is intensified, the product quality is improved, and the production cost is lowered; 3) the supply channels of the carbon black production raw material oil are expanded, a part ofother oil products are supplemented, the shortage of tar supply is alleviated, and a technical foundation for further reducing the cost of raw materials and increasing the benefits is made; and 4) carbon black raw material oil with stable supply sources and lower price is obtained, and stable operation of carbon black production equipment is ensured.

The invention relates to a silicon carbide hot melt solid repairing paste and a preparation method thereof, and relates to the technical field of blast furnace and submerged arc furnace taphole repairing. The silicon carbide hot melt solid repairing paste is prepared by mixing silicon carbide powder, graphite powder, metal silicon powder, medium temperature modified pitch and anthracene oil according to a specific proportion; the silicon carbide powder with three particle size ranges is mixed and used according to reasonable gradation. The raw materials are easy to obtain and reasonable in matching, rapid repairing of the taphole can be achieved, limitation by the shape of the taphole is avoided, and the advantages that the service lifetime is long, and slag hanging and iron hanging are not prone to occurring after repairing are achieved. The embodiment of the invention further provides a method for repairing the taphole of the blast furnace and the submerged arc furnace, the silicon carbide hot melt solid repairing paste is adopted for repairing, operation is easy and convenient, and rapid repairing of the taphole of the blast furnace and the submerged arc furnace can be achieved.

The invention discloses a composite graphite coated product, a graphite composite material and a preparation method and application of the composite graphite coated product and the graphite composite material. The preparation method of the composite graphite coated product comprises the following steps: (1) carrying out heat treatment on a mixed solution of single-particle artificial graphite A and a coating agent A to obtain single-particle artificial graphite B; wherein the coating agent A is asphalt and/or anthracene oil; and the asphalt comprises coal asphalt and/or petroleum asphalt; and (2) carbonizing a mixed solution of single-particle artificial graphite B and a coating agent B to prepare a composite graphite coated product; wherein the coating agent B is one or more of asphalt, anthracene oil and resin; the asphalt comprises coal asphalt and/or petroleum asphalt; the carbonization temperature ranges from 1200 DEG C to 1700 DEG C. The graphite composite material containing the composite graphite coated product has the characteristic of compact surface coating layer structure, and shows better first discharge efficiency, capacity retention ratio and rate capability when being applied to the lithium ion battery as a negative electrode material.

The invention discloses an anti-rusting and anticorrosive paint for steel and iron and a preparation method thereof. Solid red lead, vinylacetylene, ethylenediamine, aluminum powder, dibutyl phthalate, acetone, anthracene oil, coal pitch, talcum powder, mica powder, iron oxide red, zinc chrome, wollastonite powder and cyclohexanone are weighed and taken; the raw materials are agitated, and then are ground, so as to prepare the anti-rusting and anticorrosive paint for the steel and the iron. The anti-rusting and anticorrosive paint for the steel and the iron has favorable bonding strength to metal of the steel, the iron and the like, adapts to cold contraction, does not fall off, does not crack, has bonding strength of 4.2MPa to 4.6MPa, viscosity of 20s to 60s, flexibility of 1mm to 3mm, adhesive force of level 1, heat resistance which does not change within 8h to 12h at 100 DEG C, shock strength of 50kg/cm to 90kg/cm, fineness of 20 to 30 microns, solid content of 40 to 60 percent and good durability, has quite good acid resistance, alkali resistance and chemical corrosion resistance, and has quite good heat resistance and mechanical properties.

The invention relates to the technical field of pigment carbon black, and discloses a production method of pigment carbon black applied to leather color paste. Natural gas serves as fuel, anthracene oil serves as a raw material, potassium hydroxide serves as an additive, the natural gas and hot air heated through a high-temperature air preheater are completely combusted in a combustion chamber to generate high-temperature combustion residual gas, and the additive and raw oil are fully mixed in a mixer and then sprayed into the high-temperature combustion residual gas through a raw oil gun. Under the action of thermal kinetic energy provided by high-temperature combustion residual gas, raw oil is cracked to generate carbon black, demineralized water is sprayed into high-temperature flue gas in a horizontal quenching section (vaporization) for direct cooling to terminate a carbon black generation reaction (main reaction), medium-pressure steam is sprayed in a vertical quenching section to perform an activation reaction (side reaction) on carbon black particles, and the carbon black obtained by the method disclosed by the invention has the characteristics of high purity, good blackness, strong covering power, easiness in dispersion compared with products of the same series, and the like.

The invention discloses an epoxy asphalt quick-drying material, which comprises the following components in parts by mass: 25-30 parts of epoxy resin, 80-100 parts of solid red lead, 10-15 parts of zinc chrome, 4-8 parts of dimethylbenzene, 2-4 parts of methylbenzene, 6-8 parts of cyclohexanone, 20-28 parts of anthracene oil, 20-25 parts of coal tar pitch, 5-8 parts of curing agent, 1-1.5 parts of n-butyl alcohol, 12-15 parts of mica powder, 10-14 parts of talc powder, 1-2 parts of cured tung oil and 5-20 parts of diethylenetriamine. The time for surface dry is within 1.5-3 hours and the time for hard dry is within 20-22.5 hours, and the product is 80-100s in viscosity, less than or equal to 80 microns in fineness, and high in ductility and shear resistance. The product has temperature resistance and cold resistance as well as excellent fatigue resistance and aging resistance, and can be produced on a large scale to replace the conventional material continuously.

The invention provides a lithium ion battery negative electrode material and a preparation method thereof. The preparation method comprises the following steps: mixing coal tar pitch with a solvent which is a mixed solvent consisting of kerosene, absorber oil or anthracene oil in a certain proportion, conducting stirring at a certain temperature and pressure, and conducting standing and settling to obtain a coal tar pitch quinoline insoluble substance; mixing the coal tar pitch quinoline insoluble substances with a quinoline solution, performing centrifugal separation, and collecting solids; sequentially washing the solid with a quinoline solution and a toluene solution which are heated to 70 DEG C, and conducting drying; mixing the dried solid with KOH according to a certain proportion, conducting grinding, and conducting activating in a furnace under the protection of inert gas; and washing the activated product with an acid solution and water until the product is neutral, and conducting drying to obtain the lithium ion battery negative electrode material. The preparation method has the advantages of environmental friendliness, no pollution, simplicity in operation, low raw material price and excellent property of the battery negative electrode material.

The invention relates to the technical field of oil product production, and particularly discloses an oil product separation and refining method which comprises the following steps of rectifying by virtue of a plurality of rectifying towers according to components and properties of an aromatic hydrocarbon mixed oil product, and strictly controlling parameters of each rectifying tower to obtain crude benzene, crude methylbenzene, naphthalene oil, anthracene oil and pyrene oil with relatively high purity. The additional value of the original mixed oil product and the economic benefit of the coalhydrogasification technical process are improved. Furthermore, the connecting sequence of a plurality of rectifying towers is optimized, a set of simple and reasonable technological process is designed, energy transfer in the rectifying process is ingeniously utilized while the product quality is not affected, and the purpose of saving energy is achieved.

The invention belongs to the technical field of electrolytic cell structures, particularly relates to a cathode paste material and aims to provide a cathode paste material capable of reducing contact pressure reduction between a cathode block and a steel bar. In order to solve the problem, the invention provides the scheme as follows: the cathode paste material comprises the following components in percentage by weight: 1-80% of iron powder, 1-20% of asphalt, 0-20% of anthracene oil, 0-35% of graphite and 0-55% of electrically calcined anthracite or metallurgical cokes. The cathode paste material has the beneficial effects of effectively reducing the contact pressure reduction between the cathode block and the steel bar, further reducing the cell voltage and saving the electric energy.

The invention relates to the field of refractory materials for an iron-making blast furnace, in particular to a press-in material as filler for gaps of a blast furnace hearth. The press-in material comprises anthracene oil, SiC powder, graphite powder and an auxiliary binder. A preparation method of the press-in material comprises the following steps: the anthracene oil is added to a mixed material of the SiC powder and the graphite powder, the weight ratio of the anthracene oil to the mixed material is 3:1, and the mixture is heated and distilled; after distillation, samples are taken for component test, and the samples are taken out and cooled after the test result is qualified. The press-in material has good flowing property, the heat conduction coefficient is close to that of a carbon brick material, the press-in material can solidify quickly at a high temperature to block the gaps, so that gas leakage of the blast furnace hearth can be avoided, the thermal conductivity of the blast furnace hearth can be enhanced, and the press-in material has higher practical value.