112results about How to "Reduce sediment" patented technology

The invention relates to an environment-friendly composite microbial preparation, preparation thereof, and application thereof to aquaculture. An environment-friendly composite microbial water purifying agent comprises the following components in percentage by weight: 20 to 40 percent of bacillus subtilis, 10 to 20 percent of bacillus licheniformis, 10 to 15 percent of bacillus megaterium, 10 to 15 percent of brevibacillus laterosporus, 5 to 10 percent of bacillus pumilus, 5 to 20 percent of bacillus coagulans and 2 percent of biological activating agent. The high-concentration composite microbial preparation is prepared by screening eight strains of probiotics by simulating the physiological functions of normal microbial flora in an aquaculture environment and through scientific compatibility, so that division and cooperation amount the bacterial strains can be realized, a biological enhancement technology can be combined with an indigenous flora activating technology, complex problems in a culture water body can be solved completely, the using amount is small, the cost is low, and the competitive advantage is remarkable.

The present invention is one kind of environment friendly energy-saving diesel oil and its compounding process, and belongs to the field of petroleum technology. The environment friendly energy-saving diesel oil is compounded with fatty methyl ester 5-50 wt%, base oil 10-60 wt%, GB diesel oil 5-50 wt%, cetane number improver 0.1-2 wt%, pour point depressant 0.1-2 wt%, viscosity regulator 1-10 wt%, deodorant 0.1-2 wt%, smoke-eliminating oil saver 0.1-2 wt%. The production process of the present invention is simple and low in cost, and the environment friendly energy-saving diesel oil has lowered consumption, high dynamic property, high stability, good low temperature starting performance and environment friendship.

The composite flocculant for treating printing and dyeing effluent consists of natural high molecular water soluble chitosan and polyaluminium chloride. The usage of the composite flocculant in treating printing and dyeing effluent includes regulating effluent to pH 6-8, and throwing composite flocculant in the amount of chitosan in 1-2 ppm and polyaluminium chloride in 100-250 ppm to result in printing and dyeing effluent decolorizing rate up to 91 %. The composite flocculant of the present invention has simple compounding process, easy use, low cost, small thrown amount, excellent decolorizing performance, fast deposition, small sludge amount, easy biodegradation, less secondary pollution of water and thus wide application foreground.

The invention provides a urea mixer of an SCR system. The mixer is capable of fully changing the flow direction of urea to make urea evenly mixed with waste gas and reducing blockages such as crystals and sediment on the urea jet breadth to avoid ammonia leakage. A blade device is installed behind a urea nozzle, the number of blades is increased, and airflow is changed by the blades to form intense perturbance so as to improve the mixing effect of a urea water solution and waste gas spray. Under the stirring action of the multiple blades, the flowing direction of the urea water solution is changed, and the urea water solution is fully mixed with the waste gas. Meanwhile, the structure of a flow guide ring in the mixer is changed, so that urea on the urea jet breadth falls off from the flow guide ring under driving of the airflow, the crystals and the sediment are reduced, and ammonia leakage is avoided.

Provided are coated oil and gas well production devices and methods of making and using such coated devices. In one form, the coated oil and gas well production device includes an oil and gas well production device including one or more bodies, and a coating on at least a portion of the one or more bodies, wherein the coating is chosen from an amorphous alloy, a heat-treated electroless or electro plated based nickel-phosphorous composite with a phosphorous content greater than 12 wt%, graphite, MoS2, WS2, a fullerene based composite, a boride based cermet, a quasicrystalline material, a diamond based material, diamond-like-carbon (DLC), boron nitride, and combinations thereof. The coated oil and gas well production devices may provide for reduced friction, wear, corrosion, erosion, and deposits for well construction, completion and production of oil and gas.

The invention relates to a harmonic ingredient of high-power clean diesel oil, which is prepared by a cetane accelerant, a pour point depressant, a wear-resistant lubricant, a detergent dispersant, an oxidation stabilizer, a cosolvent and the like. The harmonic ingredient is based on improving the quality of the diesel oil, increasing the oil yield and reducing the production process, integrates assistants required in a harmonic process of the diesel oil, has the functions of reducing coagulation, increasing the cetane number of the diesel oil, improving lubrication and oxidation stability, cleaning efficiently and resisting static electricity, is non-toxic, free from heavy metal, low in addition and convenient to use, and can increase the power of the diesel oil greatly, reduce hazardous substance discharge of an automobile and reduce engine noise; the product quality is stable, the production process is simplified, the production and detection costs are lowered, and the mutual effect is controllable during production of an oil refinery; the quality of an oil product can be improved greatly for a refinery enterprise; and the benefit is improved.

The invention relates to a high density ultramicro formation testing working solution and a preparation method thereof. The high density ultramicro formation testing working solution comprises the following raw material components in parts by weight: 100-500 parts of water, 0.1-10 parts of high temperature resistance dispersing agent, 0.1-10 parts of high temperature resistance dispersion stabilizer, 0.6-2.0 parts of sodium hydroxide, 5-30 parts of anti-agglomerant, 0.1-10 parts of flow pattern modifier, 0.1-8 parts of filtration control agent, and a weighting agent, and the density of the high density ultramicro formation testing working solution is 1.5-2.5g / cm<3>. The preparation method comprises the following steps of: sequentially adding the raw materials into the water under the condition of stirring, and after uniform blending, obtaining the high density ultramicro formation testing working solution. The high density ultramicro formation testing working solution has excellent high temperature sedimentary stability and rheological property, and is applicable to formation testing working conditions of a deep well and an ultra deep well.

The invention discloses an industrial circulating water treatment technology which comprises the following steps: sterilizing, namely putting a sterilizing agent in circulating water for sterilization; chemically cleaning, namely putting a cleaning agent for chemical cleaning after the sterilization treatment is finished; chemically pre-filming, namely putting a chemical pre-filming agent after the chemical cleaning is finished. Thus, the sterilizing agent is put into the circulating water, the circulating water can carry the sterilizing agent to flow into a relevant pipeline to sterilize the pipeline, settlings attached on the pipeline can be stripped from the pipeline, settlings in the pipeline can be reduced; through chemical cleaning, the settlings and microorganisms in the pipeline can be further reduced, so that the settlings and the microorganisms in the pipeline can be cleaned; through chemical pre-filming, a protection film can be formed on the surface of the inner wall of the pipeline, so that the corrosion of the microorganisms and the settlings to the pipeline can be slowed down, the cleanness of the pipeline is ensured, and further the stable and efficient operation of a circulating system can be ensured.

The invention discloses an engine cleaning lubricant and a preparation method thereof. The engine cleaning lubricant is prepared through combining high-base-number sulfurized alkylphenol calcium, polyacrylate, polyisobutylene, polyisobutylene succinimide, organic molybdenum and cleaning oil, is used for cleaning an engine, can decompose quickly and is used for removing various colloids, stubborn scales, carbon deposits and attachments, such as metal powder and the like generated through metal friction from the interior of the engine, so that good lubricating property is guaranteed, the frictional resistance is reduced, the power of an automobile is increased, the elasticity of various sealing gaskets and cushions inside the engine is recovered, and the sealing performance is enhanced; and a layer of protective film is formed inside the engine, so that the rust preventing and wear resisting functions of the engine are improved, the oil consumption and engine wear are reduced, and the service lives of engine oil and the engine are prolonged.

The invention relates to a milk tea, more specifically relates to a nutrient milk tea and its preparation method, which belongs to the beverage field. According to the invention, Chinese herbal medicines such as gen-seng and the like are added in the milk tea, the efficacy of invigorating energy and nourishing blood provides great help on human body, deionized water taken as a solvent is capable of minimizing the sediment in milk tea and raising the internal quality of the milk tea. Citric acid is a sour additive, an antistaling agent, a flavoring agent and an antiseptic, and is used for adjusting the pH value and mouthfeel of celery milk tea.

A taro beverage is proportionally prepared from taro powder, edible thickening agent, edible flavouring, edible sweetening agent and drinking water through proportional mixing, stirring to become slurry, high-pressure homogenizing, deaerating, diluting, and sterilizing.

The invention discloses a seawater pond breeding tail water treatment system and a seawater pond breeding tail water treatment method. The system comprises a first-stage sedimentation tank, a second-stage sedimentation tank, a filter-feeding animal purification tank, a microbial purification tank and a seaweed purification tank, wherein the tanks are sequentially communicated, and purify tail water. According to the system, proper shellfish, microorganisms and algae varieties are selected to form advantage complementation in purification effect, so that the comprehensive and efficient purification of breeding tail water is realized, the equipment is simple, the use is convenient, and toxic and harmful substances such as organic matters, ammonia nitrogen, suspended matters, COD and the likeaffecting the ecological environment of sea areas in the breeding tail water of southern seawater ponds can be effectively solved.

The invention discloses a method for preparing a carbon-based mineralized active fertilizer. The method includes the steps that forestry and agricultural residues and woody brown coal biomass serve as basic materials, the basic materials and a catalyst formed by mixing and blending powdered rock phosphate, pumice stones, serpentine, medical stone and bentonite are crushed respectively, mixed according to a certain proportion for pelleting and then placed into a carbonation reaction kettle for a reaction, output materials are cooled and then crushed again, wood vinegar, a biological agent and humic acid are added, stirred and mixed, and the carbon-based mineralized active fertilizer is obtained through pelleting. The carbon-based mineralized active fertilizer prepared through a simple and effective method is environmentally friendly, microcellular structures are increased by 20% and above compared with traditional charcoal, the fertilizer contains richer nitrogen, phosphorus, potassium and medium trace elements compared with the charcoal obtained just through biomass, the total quantity of nitrogen, phosphorus and potassium available to plants is increased by 15-30%, the total content of N-P-K is larger than or equal to 10% and above, the content of organic matter is larger than or equal to 36%, the fertilizer contains rich organic acid, the fertilizer consumption can be lowered, and fertilizer efficiency can be improved.

This invention provides a compound dragon fruit and watermelon beverage. The compound dragon fruit and watermelon beverage is made from, by mass, dragon fruit juice, watermelon juice, sugar, citric acid, a stabilizer, sodium ascorbate and distilled water, wherein the total content of the dragon fruit juice and the watermelon juice is 10-50%, the sucrose content is 6-14%, the citric acid content is 0.10-0.30%, the stabilizer content is 0.12-0.20%, and the mass ratio of the dragon fruit juice to the watermelon juice is 4:6. The compound dragon fruit and watermelon beverage has a mellow and full taste, a light fragrance and palatable sweetness and sourness, can be in a uniform state for a long time, contains less sediments and has a good stable effect. The betanin processing derating rate in the beverage is only 13.2%, and the betanin loss rate after three months is only 3.8%.

The invention relates to a functional astragalus polysaccharide drink with functions of immunity enhancement and fatigue resistance and a preparation technology of the functional astragalus polysaccharide drink. The preparation method comprises steps as follows: a dry astragalus root is cleaned, dried in air and then smashed into astragalus powder; purified water is added for reflux extraction; ethanol is used for polysaccharide precipitation, a precipitate is dried, purified water is added to dissolve the precipitate, and then a clarifying agent is added for standing and clarification; centrifugation is performed for obtaining supernatant, and the supernatant is a concentrated liquid of astragalus polysaccharide; the concentrated liquid of the astragalus polysaccharide is evenly mixed with drink additives and purified water, wherein the drink per kg contains 200-400 mg of the astragalus polysaccharide, 4.5-6 g of lysine, 1-1.5 g of inositol, 8-32 g of citric acid, 10-20 mg of nicotinamide, 260-390 mu g of folic acid, 1.4-2.1 mg of vitamin B6, 2.4-3.6 mu g of vitamin B12, 0.02-0.1 mg of lactic acid, 20-60 g of a sweetening agent and the balance of purified water. The functional astragalus polysaccharide drink tastes comfortable without medicine flavor, is golden yellow, has high transparency with no suspended particles or sediment, has health-care function and good effect and has a single characteristic ingredient.

The invention discloses a medicinal material washing device with a filtering net unlikely to block. The medicinal material washing device comprises supporting feet, a supporting plate, a fixed U-shaped plate, a speed reduction motor, a rotating shaft, a washing cylinder, a feeding opening, a sewage outlet, short pipes, a stirring plate, a cavity, an air outlet hole, an air pump, a heating box, a temperature-adjustable heating belt, an air outlet pipe, a one-way valve, a straight pipe, a sealing cap, a connecting shaft, connecting rods, the cylinder-type filtering net, springs, a row brush, guiding rods, a water tank, a supercharged water pump, a water outlet pipe, a three-way pipe, a water parting pipe, a fixed strip plate, a connecting pipe, a water gun, a plurality of nozzles, supportinground rods, a limiting round rod, a flat plate, a vibration motor, a storing sieve bucket, a round hole, belt wheels, a belt, a blocking ring and a water inlet pipe. According to the medicinal material washing device, during medicinal material washing, through the combined function of the cylinder-type filtering net, the connecting rod, the connecting shaft, the belt wheel and the belt, the cylinder-type filtering net can be made to do the circumference motion around the connecting shaft, and by being combined with the function of the row brush and the nozzles, the cylinder-type filtering netcan be cleaned up.

The invention discloses a once-through boiler corrosion and scaling risk evaluation and diagnosis method. The method comprises the step of judging nine risk factors such as whether a once-through boiler runs or not, whether reasonable boiler shutdown protective measures are taken or not, whether reasonable water washing is carried out or not, whether a once-through boiler water supply system container copper or not, whether a reasonable water treatment way is adopted or not, whether all chemical instruments are provided or not, whether chemical addition equipment has high reliability and availability or not, whether monitoring data are qualified or not and whether timely treatment is carried out according to a tertiary treatment rule or not, so that the systematic step-by-step diagnosis method is formed, and a conclusion that corrosion and scaling tendency is serious or no serious corrosion or scaling tendency exists is obtained through evaluation. By means of the method, boiler corrosion and scaling factors can be known in advance, so that the boiler corrosion speed is effectively decreased, boiler pipe sediment and scale amount are reduced, the steam quality is improved, and safe and economical running of a unit is ensured.

The invention discloses an oil composition for emulsified diesel oil engines. According to the oil composition, II-class base oil and polyinternalolefins are used as base oil, and a plurality of additives are matched. The oil composition comprises an antirusting agent, an oxidation-corrosion inhibitor, an anti-foaming agent, a viscosity index improver, a metal deactivator, a clearing agent, a dispersing agent, an antioxidant, a reinforcing agent, an oiliness agent and an anti-creaming agent. The oil composition for the engines has excellent clean dispersion effect, so that sediments of piston rings are reduced; the oil composition has excellent viscosity-temperature characteristics, alkali value retentivity and acid neutralization capacity, and can inhibit the generation of black oil sludge, so that the engines are relatively clean; the oil composition has good high temperature oxidation resistance stability, high shear stability, anti-emulsifying property, rubber compatibility, good low temperature startability, excellent fuel economy performance and has no corrosion and rusting for moving parts, enough oil film strength of oil is guaranteed, and the abrasion and the oil consumption are reduced.

The invention relates to a reaction device suitable for preparing hydrogen fluoride from calcium fluoride. The reaction device comprises a reactor and a heat energy device, wherein the reactor is of fully sealed vertical type hollow structure; a first material inlet and a gas outlet are formed in the top part of the reactor; a material output outlet is formed in the bottom part of the reactor; thereactor is also internally provided with a stirrer and a material bearing device; the heat energy device is used for providing heat energy for the material bearing device; the heat energy device comprises a thermal medium input pipe and a thermal medium output pipe; a heat transfer layer of a sealed structure is arranged on the bottom surface of the material bearing device; the thermal medium input pipe and the thermal medium output pipe are respectively communicated with the heat transfer layer. According to the reaction device disclosed by the invention, the heat transfer area is larger, and a heat transfer effect is better; energy consumption is reduced; power consumption is reduced under the same productivity; the reaction device is suitable for producing the hydrogen fluoride from calcium fluoride fine powder; flying dust cannot be generated while entering the reactor, a hydrogen fluoride gas is discharged out of the reactor after passing through wet powder, and dust cannot be taken away.

A fuel injector includes an injector body forming an actuator portion. An actuator bore is formed in the actuator portion and is at least partially defined by an inner surface and by an end surface. An actuator disposed in the actuator bore and has an outer surface such that a flow channel can be defined between the inner surface of the actuator bore and the outer surface of the actuator. A cooling flow passage is formed in the injector body, in fluid communication with the actuator bore, and is adapted to supply cooling fluid to the actuator bore. A drain passage is formed in the injector body, in fluid communication with the actuator bore. An internal cooling fluid flow path extends from the cooling flow passage, through the flow channel, and from the flow channel through the drain passage.

The invention provides a shower cream containing rice vinegar, wherein the raw materials include (by weight percent) potash soap 20-40%, lycine 2-4%, carboxymethyl cellulose 0.5-1.5%, rice vinegar 0.5-1.5%, perfume compound 0.5-1.5%, distilled water 48-68%, preservative agent 0.5-1% and penetrating agent 0.2-1%.

The invention provides a method for remedying high-nitrogen and high-phosphorus river water bodies. The method includes steps of S1, periodically measuring water body parameters of the high-nitrogen and high-phosphorus river water bodies; S2, aerating the to-be-remedied water bodies; S3, releasing beneficial algae into the water bodies when the dissolved oxygen levels of the water bodies reach thelevels of 2 mg / L and allowing the beneficial algae to breed in the water bodies; S4, releasing microbial agents into the water bodies when the coverage rates of the beneficial algae in the water bodies reach 50%; S5, releasing alga eating worms into the water bodies when the ammonia nitrogen levels of the water bodies are reduced and reach the levels of 2 mg / L. The aeration intensity at the stepS2 is set according to the difference between actual values and expected values of the dissolved oxygen concentration of the water bodies. The invention further provides a bacterium and alga system for remedying the high-nitrogen and high-phosphorus river water bodies. The method and the bacterium and alga system have the advantages that the water quality of the water bodies can be effectively improved, organic pollutants in bottom mud and the water bodies can be degraded, and ecological systems of the water bodies can be remedied.

The invention discloses an automatic cooling device for a submersible sewage pump, and relates to the technical field of submersible sewage pumps. According to the technical scheme, the automatic cooling device comprises a three-way pipe mounted between a water outlet and a drain pipe of the submersible sewage pump, and two of three ports of the three-way pipe are separately connected with the water outlet and the drain pipe; a mounting pipe is connected to the other port of the three-way pipe, a connecting pipe is connected to the mounting pipe, and a spray head is connected to the end, awayfrom the mounting pipe, of the connecting pipe; and a switch used for controlling the spray head to spray water is arranged at the joint of the mounting pipe and the connecting pipe. By adoption of the automatic cooling device, the problems that part of the submersible sewage pump is exposed out of water due to the decrease of the water level in the place where the submersible sewage pump is used,and the dissipation speed of heat generated by the submersible sewage pump in the operation process is smaller than the heating speed of the submersible sewage pump are solved; and by mounting the automatic cooling device on the submersible sewage pump, the submersible sewage pump can be cooled more conveniently when working above water.

The invention discloses Chinese caterpillar fungus cyanine oral liquid which comprises the following components expressed in weight parts: 10 to 20 parts of an extract solution of Chinese caterpillar fungus mycelia, 10 to 20 parts of an extract solution of anthocyanidin and 2 to 5 parts of a concentrated solution of cordyceps militaris. The invention also discloses a preparation method for the Chinese caterpillar fungus cyanine oral liquid. Based on the principle that the above mentioned medicines are compatible and mutually synergistic, the method improves the disadvantage of insufficient efficacy when Chinese caterpillar fungus or anthocyanidin is individually used. The prepared Chinese caterpillar fungus cyanine oral liquid has good taste and the effects of lung moistening, phlegm reducing, blood sugar adjusting and the like and can enhance immunity, refresh one's spirit, treat insomnia and allow people to glow when taken for a long time.

The invention discloses a system for remediating bottom mud in a black and odorous water body based on the electrodynamic principles. The system comprises a positive electrode module, a negative electrode module and a power supply module, wherein the positive electrode module and the negative electrode module are inserted into bottom mud in parallel; the positive electrode module comprises a positive component, a positive filling component and a positive transmission component, the positive component and the positive filling component are both arranged in the positive transmission component, and the positive component is completely wrapped by the positive filling component; the negative electrode module comprises a negative component, a negative filling component and a negative transmission component, the negative component and the negative filling component are both arranged in the negative transmission component, and the negative component is completely wrapped by the negative filling component; and a positive electrode of the power module is connected to the positive component and a negative electrode of the power module is connected to the negative component. According to the system, bottom mud acidification and sediment generation can be reduced, and rising of bottom mud temperature is inhibited; and power consumed in the process of bottom mud purification is reduced, andpollutant removal efficiency is improved.

The invention provides a method for repairing a water body ecosystem, and the method comprises the following steps: 1) adding a water body substrate improver into a raw water body, planting aquatic vegetation after the water quality becomes clear, improving the light compensation condition of the water body, and constructing an underwater forest system; 2) constructing ecological interception systems on two sides of the water body to reduce suspended solids in the water body and maintain water quality; and 3) constructing a surface runoff buffer area at the periphery of the ecological interception system to prevent the instability of a side slope caused by wind and rain and prevent turbid water from polluting the water body after water and soil loss. Through the method, the stepped restoration system of the water ecological system is formed; the concentration of suspended matters in the water body can be effectively reduced through the water ecological interception system, the transparency of the water body is greatly improved, a good environment for aquatic plant growth is provided for the water body, then submerged plants are planted to form an underwater forest system, aesthetics and hydrophilicity are considered, and good demonstration and education effects are achieved.

The invention relates to a milk tea, specifically to a jasmine flower milk tea and a production method thereof, belonging to the field of beverages. According to the invention, a fresh jasmine flower is utilized, growable microbes in the jasmine flower milk tea are completely destroyed by using an ultra-high temperature short-time sterilization method, nutritional ingredients in the jasmine flower milk tea are retained to a greatest extent, no antiseptic is needed, and the jasmine flower milk tea can be stored for a long time without deterioration and is particularly convenient to transport and store. Deionized water is used as a solvent to remove sediments in the milk tea and improve inherent quality of the milk tea.

The invention relates to an anti-oxidation and anti-fatigue astragalus root functional drink and a preparation process thereof. The preparation process comprises the following steps: cleaning and air-drying dry astragalus roots, and then grinding the dry astragalus roots into astragalus root powder; adding purified water for reflux extraction, and then adding a clarifying agent for standing and clarifying; centrifuging supernatant liquid to obtain an astragalus root extracting solution; and uniformly mixing the astragalus root extracting solution with drink additives and purified water. Each 1kg of the drink contains 20-50mg of total saponins of astragalus roots, 4.5-6g of lysine, 1-1.5g of inositol, 10-40mg of citric acid, 10-20mg of nicotinamide, 260-390mu g of folic acid, 1.4-2.1mg of vitamin B6, 2.4-3.6mu g of vitamin B12, 0.02-0.07mg of lactic acid, 20-60g of a sweetening agent and the balance of purified water. The prepared astragalus root functional drink has comfortable taste, is free of medicine smell, has an amber color and high transparency, is free of suspended particles or precipitates, has health-care functions and good effects, and contains a single symbolic ingredient.

The invention discloses a method for improving the pretreatment effect of acid catalysis ionic liquid with an organic solvent-aqueous solution. The method comprises the following steps: (1) smashing a fiber raw material; (2) adding the raw material into an ionic liquid-acid system for pretreatment and catalysis; (3) regenerating with an organic solvent-aqueous solution in an amount which is 2 to 5 times the volume of the raw material; (4) continually stirring; (5) centrifuging to obtain a coarse regenerated fiber raw material; (6) washing the coarse regenerated fiber raw material with a corresponding organic solvent-aqueous solution by 4 to 6 times, and drying to obtain a regenerated fiber raw material. By adopting the method disclosed by the invention, the structural characteristic of the fiber raw material is changed. The dense cell wall structure of fibers is broken, the prepared regenerated fiber raw material is porous on the surface, is less in sediment, and is lower in lignin content, and the problem of adhesion of a large amount of lignin sediment to the surface of a conventional regenerated fiber raw material and the problem of inhibition of enzymatic saccharification are solved.

The invention discloses an isocrotyl acylamide isoheptyl ester composition and a preparation method. The composition comprises tetrahydrofurfuryl alcohol, crotonamide, ethyl acetate, antioxidant and preservative; the preparation method comprises the following steps: weighing the chemical raw materials according to the mass ratio; adding the tetrahydrofurfuryl alcohol to a reaction kettle, vacuumizing and raising the temperature of the reaction kettle to 70-75 DEG C; adding the crotonamide and the ethyl acetate, stirring and cooling by a cooler to about 25 DEG C; and adding 6-di tert butyl paracresol and isothiazole quinoline ketone and stirring so as to obtain a product. The composition has no toxicity, no pollution, no special peculiar smell and little addition quantity, obviously improves the performance of a gasoline octane number promoter, is brown oil transparent liquid, and has the density of 970-990Kg / m<3>, the solidifying point of not higher than -50 DEG C, and the boiling point of 180+ / -5 DEG C. The invention has simple process, low cost, oil saving and pollution reduction, reduces the fuel oil sediment of an engine, lightens the abrasion of the engine and is widely usedfor petrochemicals.