73 results about "White oil" patented technology

According to the contact type cast piece double-face cooling system, a cooling medium flowing circularly is contained in a chilling roller, a leaning roller and a tensioning roller are arranged close to the chilling roller, the leaning roller and the tensioning roller are in transmission connection through a cooling belt, the cooling belt is provided with an arc face concentric with the outer surface of the chilling roller, and a cooling area allowing a cast piece to penetrate is formed between the arc face and the chilling roller. The spraying direction of the nozzles faces the inner surface of the cooling zone. The two surfaces of the casting piece are synchronously cooled through the chilling roller and the cooling belt correspondingly, rapid and uniform cooling of the casting piece is achieved, and the consistency of the thickness of a diaphragm finished product can be improved. And a large amount of white oil can be extruded on the surface of the casting piece through the opposite pressing effect of the chilling roller and the cooling belt, and the content of the white oil in the subsequent working procedure is reduced, so that oil spots and thin points on the surface of the diaphragm are reduced, and the production qualification rate of the diaphragm is improved.

The invention discloses a multifunctional blending-free full-suspension resistance reducing agent as well as a preparation method and application thereof, and belongs to the technical field of fracturing fluids. The multifunctional blending-free full-suspension resistance reducing agent comprises the following raw materials in parts by weight: 30-50 parts of partially hydrolyzed polyacrylamide, 35-60 parts of white oil, 2-5 parts of an anionic surfactant, 0-3 parts of a bactericide, 0.5-2 parts of organic clay, 0.5-1.5 parts of an alcohol compound and 1-3 parts of an emulsifier. The invention further discloses a preparation method and application of the multifunctional blending-free full-suspension resistance reducing agent. The multifunctional blending-free full-suspension resistance reducing agent is a multifunctional suspension type resistance reducing agent, can achieve the integrated functions of salt resistance reduction, sand carrying, swelling prevention, discharge aiding and sterilization without additional auxiliary agents, and has good application value.

The invention discloses a purification treatment method for waste white oil in an assembly calcination process. The waste white oil is pretreated by carclazyte, and viscous impurities in the waste white oil are adsorbed. The feed liquid is transferred to a plate-and-frame filter, carclazyte and viscous impurities are used as filter cakes, the obtained pretreated waste white oil is used as filtrate, and the viscosity of the pretreated waste white oil is greatly reduced. The pretreated waste white oil is collected and then pumped into a chromatographic tower filled with a decolorizing agent for deep purification, and purified white oil is obtained. According to the method, the advantages of high solid-liquid separation efficiency of the plate-and-frame filter and good purification effect of the decolorizing tower are fully exerted, the purity and chromaticity of the purified waste white oil are greatly improved and reach the use standard of a production system, the waste white oil can be recycled, and the problem of high purification treatment difficulty of the waste white oil in the assembly calcination process is solved.

The invention relates to the technical field of veterinary biological products. The invention provides a poultry epidemic disease inactivated vaccine adjuvant as well as a preparation method and application thereof. The adjuvant is prepared from the following raw materials in dosage ratio: 70 to 80mL of white oil, 0.5 to 1.5 mL of Tween-80, 1 to 2g of chitosan, 0.5 to 1.5 g of astragalus polysaccharide and 0.5 to 1.5 g of vitamin E. According to the invention, multiple raw materials are utilized, and a triple synergistic mechanism of long-acting slow release, efficient activation and safety protection is formed through emulsion stabilization and targeted delivery at a physical level, multi-channel activation (including natural immunity, adaptive immunity, humoral immunity and mucosal immunity) at an immune level and synergistic oxidation resistance and inflammatory reaction regulation at a safety level; the immune response efficiency, the antibody duration and the safety of the vaccine can be remarkably improved, and the vaccine is particularly suitable for the special immune physiological characteristics of poultry.

The invention relates to the field of geotechnical engineering, in particular to an undisturbed soil body sample saturation method and application of the undisturbed soil body sample saturation method in an indoor triaxial test, according to the method, light white oil W2-40 is adopted as a saturation material to replace pure water for soil body saturation, the basic physical index of the light white oil W2-40 is close to the index of the pure water to the maximum extent, and the light white oil W2-40 can be used for soil body saturation. And in the aspect of chemical property, chemical reaction with various inorganic matters / polar molecules in the soil body is avoided, so that the problem of structural damage of the soil body can be fundamentally solved, and the most real strength index can be obtained through an indoor triaxial test for guiding engineering application. And the light white oil W2-40 has no danger and is high in operability.

The present invention relates to a separation device for a dichloromethane and white oil mixed liquid, comprising a distillation system, a white oil treatment system, and a dichloromethane treatment system, wherein the distillation system comprises a distillation tower, an evaporator, and a gas-liquid separator; the white oil treatment system comprises an oil rectifying device, a white oil cooler, and a white oil collector; and the dichloromethane treatment system comprises a dichloromethane condenser, a water separator, and a dichloromethane collector. The present invention adopts a falling film evaporator, the material residence time is short, the steam working pressure is small, and the steam consumption is low. At the same time, the temperature of the evaporated white oil concentrate is low, the color is light, and the purity is high. After the evaporated dichloromethane gas is subjected to gas-liquid separation, condensation, and water separation, the white oil content in the dichloromethane is within 20ppm. After the white oil is rectified and cooled, the dichloromethane content in the finished white oil is within 80ppm. In addition, the structure is simple and the implementation is convenient.

The utility model relates to the technical field of waste oil regeneration, and discloses a waste white oil alkali washing device which comprises a tank body, a heating assembly is installed on the periphery of the tank body, a sleeve, a servo motor and a feeding pipe are sequentially and fixedly connected to the top of the tank body from left to right, and a liquid discharging pipe is fixedly connected to the bottom of the tank body. A stirring assembly is installed in the tank body, a top ring is slidably connected to the middle of a sleeve, a filtering barrel is fixedly connected to the bottom of the top ring, a connecting pipe is fixedly connected to the top of the top ring, an elastic assembly is installed in the middle of the top ring, a clamping block is slidably connected to the middle of the top ring, and a clamping groove is formed in the middle of the sleeve; and the middle part of the sleeve is slidably connected with a push rod. According to the utility model, firstly, waste white oil is input through the connecting pipe, and larger impurities can be filtered under the action of the filtering barrel at the bottom of the connecting pipe, so that the mixing efficiency of the waste white oil and a sodium hydroxide aqueous solution is ensured, and the impurities are prevented from blocking the pipeline.

The invention relates to a cherry valley duck PLV virus vaccine as well as a preparation method and application thereof, and belongs to the technical field of virus immunity. The vaccine is prepared by taking a Parry's Lagon virus (PLV) virus strain PLV-20155 as an immunogen, the strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC NO.46296. The invention further discloses a preparation method of the vaccine. The vaccine is a PLV-20155 virus inactivated vaccine, and the preparation method of the vaccine comprises the following steps: inoculating the PLV-20155 virus into an SPF chick embryo for propagation, harvesting a virus liquid, inactivating with formaldehyde, verifying safety, emulsifying with white oil to prepare the vaccine and the like. In addition, the vaccine disclosed by the invention can be used for effectively preventing diseases such as laying rate reduction, follicle necrosis and fallopian tube atrophy of the cherry valley ducks caused by the PLV-20155 virus, and the economic benefit of breeding is remarkably improved.

The utility model relates to the field of filtering devices, in particular to a quick white oil filtering device which comprises a tank fixed to a rack, a water inlet pipe is fixed to the top of the tank, a water drainage pipe is fixed to the bottom of the tank, a mounting plate is fixed in the tank, and a liquid drainage opening penetrating through the mounting plate is formed in the mounting plate. A filter pipe is fixed above the liquid outlet, filter holes are uniformly formed in the filter pipe, a piston in sliding connection with the filter pipe is arranged in the filter pipe, a push rod is fixed to the top of the piston, a sliding groove is fixed to the push rod, a motor is further fixed to the tank body, a rotating disc is fixed to the output end of the motor, a fixing column is fixed to the rotating disc, and a liquid outlet is formed in the fixing column. The tail end of the fixing column is arranged in the sliding groove and is in sliding connection with the sliding groove, and a scraping plate is further arranged in the tank body and surrounds the filter pipe. According to the device, the motor drives the piston to move up and down, so that white oil is quickly filtered through the filter pipe, and the white oil filtering speed is greatly increased.

The utility model relates to the technical field, and discloses identification equipment for silicone sealant doped with white oil, which comprises a working table, a cover plate is rotatably connected onto the working table, an air inlet fan is mounted on the bottom side of the working table, an air exhaust fan is mounted on the rear side wall of the working table, a fixing ring is mounted on the rear side of the air exhaust fan, and the cover plate is rotatably connected onto the working table. An arc-shaped plate is arranged on the fixing ring, and a filter element is arranged in the arc-shaped plate. An air inlet fan is installed on the lower side table top of the infrared spectrum device and the thermal weight loss detection device installed on the workbench, and an air exhaust fan is installed on a baffle behind the infrared spectrum device and the thermal weight loss detection device. When a spectrum detection chamber and a thermal weight loss detection chamber in the infrared spectrum equipment and the thermal weight loss detection equipment are used for detecting a sample, an air inlet fan and an air exhaust fan are started to discharge harmful gas generated during detection, and the harmful gas can be filtered and purified through a filter element inserted into a fixing ring during discharge; and finally, the air is guided out and discharged through the flow guide pipe.

The invention belongs to the technical field of drilling fluid chemistry in the petroleum industry, and particularly relates to a high-temperature-resistant viscosity reducer as well as a preparation method and application thereof. The preparation method of the high-temperature-resistant viscosity reducer provided by the invention comprises the following steps: (1) adding vegetable oleic acid and polyethylene polyamine into a reactor, and reacting at a first temperature under the protection of inert gas to obtain a first intermediate; (2) reducing the temperature of the first intermediate to a second temperature, slowly adding anhydride, then heating to a third temperature, and continuously reacting to obtain a second intermediate; and (3) reducing the temperature of the second intermediate to room temperature, adding trimethylchlorosilane, reacting at a fourth temperature, and adding white oil for dilution after the reaction is finished, thereby obtaining the high-temperature-resistant viscosity reducer. The high-temperature-resistant viscosity reducer disclosed by the invention has an excellent temperature-resistant effect, and the viscosity reduction effect of the high-temperature-resistant viscosity reducer on an oil-based drilling fluid can still reach 20% or above after the high-temperature-resistant viscosity reducer is aged at 180 DEG C for 16 hours.

The invention relates to the technical field of petrochemical engineering, in particular to white oil special for SEBS thermoplastic elastomers and a preparation method and application thereof.The white oil special for the SEBS thermoplastic elastomers is obtained according to the following steps that paraffin-based distillate oil and hydrogen are subjected to a hydrotreating stage reaction, the obtained hydrotreating generated oil is mixed with the hydrogen to be subjected to a hydroisomerization reaction, and the white oil is obtained; and mixing the obtained hydroisomerization generated oil with hydrogen to carry out hydrofinishing reaction, carrying out vacuum fractionation on the obtained third-stage hydrogenated generated oil to obtain distillate oil with the boiling point higher than 320 DEG C, and mixing the distillate oil with hydrogen to carry out hydrogenation deep aromatic saturation reaction to obtain the special white oil for the SEBS thermoplastic elastomer. The low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-volatility high-flash-point low-

The application discloses a feeding device in a TPE modified plastic material production process, and relates to the technical field of plastic production. The feeding device comprises a hopper main body, a butt joint ring for connecting materials, and a dispersion assembly assembled in the inner cavity of the butt joint ring. The dispersion assembly comprises a power rod and a conical plate I for receiving the powder falling from the butt joint ring, and a spraying part for spraying and wrapping the powder during the falling process. The dispersion assembly drives the conical plate I to make synchronous extension and rotation movement through the power rod, so that the powder falling from the hopper main body is uniformly dispersed along the conical surface of the conical plate I, and the dispersed single powder is sprayed with white oil synchronously through the spraying part. The powder particles can be more fully and uniformly contacted with the white oil, the formation of the wet outside and dry inside lumps is avoided, the product performance fluctuation is reduced, the lump accumulation in the hopper is avoided to cause the bridging and blocking, and the continuity of production is ensured.

The invention is a process for producing a white oil having an initial boiling point of at least 300° C., the process comprising a step of catalytically hydrogenating a hydrocarbon feedstock at a temperature of from 80 to 190° C., at a pressure of from 50 to 160 bars, a liquid hourly space velocity of 0.2 to 5 hr−1 and an hydrogen treat rate up to 200 Nm3 / ton of feed, the hydrocarbon feedstock having a sulphur content of less than 10 ppm by weight, an initial boiling point within the range from 150 to 350° C. and a final boiling point within the range from 350 to 550° C.

The invention relates to a method for detecting the content of white oil in polystyrene, which is applied to the field of polystyrene resin detection and comprises the following steps: S1, weighing a polystyrene sample, putting the polystyrene sample into a conical flask with a plug, adding methylbenzene into the conical flask with the plug, and oscillating and dissolving; s2, putting the conical flask with the stopper into a warm water bath, and meanwhile, adding a precipitator into the conical flask with the stopper to precipitate a polymer; s3, adding a precipitant while shaking when the precipitant is dropwise added, and quickly cooling after the precipitant is completely precipitated; s4, filtering by using suction filtration equipment, collecting the filtered solution, concentrating to obtain a concentrated sample solution, and weighing the concentrated sample solution; and S5, sucking a proper amount of concentrated sample liquid by using a microsyringe, then injecting the concentrated sample liquid into a chromatographic instrument, and determining, by accurately controlling precipitation conditions and a separation process, the problems of white oil wrapping by precipitation, filter membrane blockage and insufficient detection limit in a traditional method are solved, and high-precision and high-repeatability white oil content detection is realized.

The application discloses a production method of a low-cost anti-fogging black sunscreen preservative film, belongs to the technical field of anti-fogging film materials, and utilizes kerosene or heavy oil to generate carbon black with heat through cracking under heating and oxygen deficiency; carbon black particles are attached to the surface of the film; the carbon black particles are cooled and fixed due to the arrangement of a cold air blower above the film; the surface is difficult to be wetted, the anti-fogging effect is realized, the previous smoke generator is a smoke generator generated by the evaporation of mineral oil; the previous smoke bomb is special for fire drill; whether a sealed container such as a boiler leaks and whether air circulates are detected; propylene glycol, white oil and the like are utilized to generate air mist by the smoke generator; the carbon black has certain adsorption; oily substances are adsorbed; the anti-fogging performance of the surface of the film is further enhanced; the operation method is simple; the air mist and the smoke are conveniently recycled; the production cost is low; the black color can be realized without additional black color master batches; the black color is realized at one time; the method can be used for the packaging of vegetables, fruits, flowers, sun exposure, picking and transportation.

The invention relates to the technical field of building materials, and discloses a dust-free lightweight gypsum self-leveling, wherein the self-leveling gypsum comprises the following components in parts by weight: gypsum base material: 300-400 parts of semi-hydrated gypsum; 100-150 parts of α high-strength gypsum; lightweight aggregate: 150-200 parts of vitrified microspheres; 50-100 parts of expanded perlite, and also provides a preparation method of dust-free lightweight gypsum self-leveling, comprising the following steps: S1, performing hydrophobic modification on the aggregate to improve the bonding force between the aggregate and the base material; and at the same time, mixing and dissolving the liquid phase additive to form a uniformly distributed dynamic network reinforcement system; S2, adding the dry raw materials into a mixer and mixing them to form a uniform dry mix. The present invention improves the fluidity, crack resistance, construction adaptability and environmental protection performance of the material through the hydrophobic modification of the aggregate, the dynamic network reinforcement system and the white oil spraying technology, and meets the needs of modern construction.

The present application relates to a kind of preparation methods of veterinary white oil, comprising the following steps: crude oil is extracted A after normal pressure device and / or vacuum device;Extract A is extracted B after first group of reaction device;Veterinary white oil is extracted after at least one group X reaction device of extract B, the pressure speed ratio of the X reaction device is 1.8 mbar.s / t-5.4 mbar.s / t, the pressure ratio is 2.94×10^(‑5) mbar / ℃-10.17×10^(‑5) mbar / ℃.The purpose of the present application is to overcome the defects existing in the prior art, provide a kind of high quality veterinary white oil with high effectiveness, high safety, fast absorption speed, little local irritation to injection.

This invention relates to the field of industrial white oil processing, and more particularly to a container for holding light white oil, comprising a tank body. A replenishment pipe with a valve is fixed to the top of the tank body. A connecting groove is fixed to one side of the bottom of the tank body, and a metering tube is fixed to the end of the connecting groove. A metering column is installed inside the metering tube, and multiple metering slots are arranged around the metering column. A connecting shaft is fixed to the top of the metering column, passing through the metering tube and rotatably connected to it. An oil outlet pipe with a valve is also fixed to the bottom of one side of the metering tube. A push plate, cooperating with the metering slots, is installed inside the metering tube above the oil outlet pipe. A push rod is fixed to the top of the push plate, passing through the metering tube and slidably connected to it. This device can discharge a certain amount of white oil from the oil outlet pipe, effectively avoiding white oil waste.

The utility model discloses a dichloromethane and white oil mixed liquid treatment system which comprises a storage tank, a first conveying pipeline is installed on the storage tank, the end, away from the storage tank, of the first conveying pipeline is connected with a heat exchange structure A, a second conveying pipeline is installed on the heat exchange structure A, and a heat exchange structure B is installed at the end, away from the heat exchange structure A, of the second conveying pipeline. The heat exchange structure B is connected with the high-temperature rectification device through a third conveying pipeline. The device is simple in structure, heat energy of white oil subjected to high-temperature rectification treatment and heat energy of steam condensate water are reutilized, heat exchange and cooling can be achieved, and energy consumption of circulating water and chilled water can be saved; meanwhile, after the dichloromethane-white oil mixed liquid is subjected to two-stage heat exchange, the initial temperature is increased, and the problems of temperature fluctuation, steam supply intermittency, flow fluctuation and the like possibly occurring when a low-temperature medium is heated by high-temperature steam can be solved.

The light white oil production filling device comprises a main body unit and a filling unit, the main body unit comprises a machining table, a vertical plate is fixed to the top of the machining table, a transverse plate is fixed to the top of the vertical plate, an oil storage tank is fixed to the top of the transverse plate, supporting legs are fixed to the four corners of the bottom of the machining table, and a storage barrel is placed on the machining table; the filling unit comprises an oil conveying hard pipe, and an oil conveying hose is fixed to and communicated with the oil conveying hard pipe. A second motor is started to drive a screw rod to rotate reversely, so that a moving plate and an oil conveying hard pipe are driven to move upwards, and when the storage barrel is about to be full of light white oil, a third motor is started to drive a second rotating rod and an oil baffle plate to rotate, so that the oil baffle plate shields part of an oil leakage hole, and a small amount of light white oil still falls into the storage barrel from the oil leakage hole; in the process, a small amount of light white oil is added, the distance between the bottom of the oil conveying hard pipe and the top of the storage barrel is controlled to be small, and the situation that the light white oil is sputtered is avoided.

The invention discloses a preparation method of a soft soil similar material meeting the requirements of transparency and similarity, which ensures the transparency of the material by accurately controlling the preparation of mixed oil, calibrating an Abbe refractometer and standardizing the mixing ratio of n-dodecane to 15 # white oil and the stirring and standing process; the white carbon black dispersion and quartz sand mixing and stirring processes are strictly standardized, and it is guaranteed that the mechanical properties such as the material weight and the internal friction angle are similar to those of real soft soil. Meanwhile, strict operation standards are set in the steps of model filling, air exhaust saturation, sample sampling and the like, the environment and measuring tool conditions are controlled, and parameters and reserved samples are completely recorded. The method effectively solves the problems that transparency and mechanical properties of a traditional material are difficult to balance, and configuration lacks accuracy and repeatability, and provides a reliable soft soil similar material preparation means for geotechnical engineering research and engineering practice.

The invention is a process for producing a white oil having an initial boiling point of at least 250° C., the process comprising a step of catalytically hydrogenating a base oil feedstock at a temperature of from 120 to 210° C., at a pressure of from 30 to 160 bars and a liquid hourly space velocity of 0.2 to 5 hr−1, the base oil feedstock comprising less than 5 ppm by weight of sulphur.

The utility model relates to the technical field of online switching of filter elements, and discloses online switching equipment for white oil filter elements of an extruder, which comprises a connecting column, a connecting component is arranged on the outer wall of the connecting column, the connecting component is used for connecting other pipelines, a pipeline component is arranged on the outer wall of the connecting column, and the pipeline component is used for connecting other pipelines. And the pipeline assembly is used for controlling the problem of air in the filtering tank and comprises a first connecting pipe, one end of the first connecting pipe is fixedly connected to the outer wall of the connecting column, the filtering tank is fixedly connected to one end of the first connecting pipe, and a bypass valve is fixedly connected to one end of the filtering tank. According to the utility model, air in the filtering tank is firstly exhausted through the exhaust port, exhausted through the T-shaped connecting pipe, exhausted through opening the bypass valve, and replaced by closing the first exhaust control valve, so that the effect of switching the filter elements on line is achieved, the problem that the product quality is influenced by adding a filter screen traditionally is solved, and the stability is improved.

The invention belongs to the technical field of plugging agents, and particularly relates to a high-temperature-resistant plugging anti-collapse agent for drilling fluid and a preparation method of the high-temperature-resistant plugging anti-collapse agent. The high-temperature-resistant plugging anti-collapse agent is prepared from the following raw materials in parts by mass: 50 to 120 parts of water; 110 to 380 parts of polyolefin; 100 to 210 parts of hydrogen; 50 to 130 parts of silicate; 60 to 150 parts of weak organic acid; 60 to 140 parts of white oil; 38-90 parts of an alcohol amine compound; 50 to 120 parts of polyether polyol; and 12-32 parts of an alkaline regulator. The invention further discloses a preparation method of the drilling fluid, through the synergistic effect of all the components, the drilling fluid cannot be decomposed under the high-temperature complex stratum condition, stratum collapse and instability of a water-sensitive shale stratum are effectively prevented, and safe and smooth drilling operation is guaranteed.

A storage tank for white oil finished products comprises a storage tank body, the storage tank body is a horizontal tank body, a white oil feeding connector and a manhole are formed in the top of the storage tank body, and the storage tank body comprises an upper cylindrical part, a lower conical hopper-shaped part and a bottom hollow semi-ellipsoidal part which are integrally formed. The volume of the bottom hollow semi-ellipsoidal part is 0.5% of the volume of the storage tank body; a storage tank supporting frame body is arranged below the storage tank body, and the storage tank supporting frame body comprises a top rectangular frame fixedly connected with the upper cylinder part and a group of supporting leg parts symmetrically arranged on the two sides of the top rectangular frame. The white oil storage tank has the advantages that water can sink to the bottom and be discharged conveniently, and the quality of white oil products is prevented from being influenced. And the follow-up maintenance and cleaning difficulty of the storage tank for the white oil finished product is greatly reduced.

The utility model relates to the technical field of white oil production, in particular to an industrial white oil production stirring mechanism which comprises a tank body, supporting legs, a feeding hopper, a discharging hopper and a stirring device, the supporting legs are fixedly connected with the bottom surface of the tank body, the feeding hopper is connected with the top surface of the tank body in a penetrating mode, and the discharging hopper is connected with the bottom surface of the tank body in a penetrating mode. The stirring device is arranged on the surface of the tank body and comprises two first rotating shafts, the two first rotating shafts are rotatably connected with the inner wall of the tank body, a fixing frame is fixedly connected to the surface of the top of the tank body, a motor is fixedly installed on the surface of the fixing frame, and the output end of the motor is fixedly connected with one end of any first rotating shaft; the surface of the first rotating shaft is fixedly connected with a first stirring rod, and the inner surface of the tank body is fixedly connected with two conveying bins. According to the utility model, by arranging the stirring device, raw materials at the bottom and raw materials at the top can be mixed and stirred, so that the time required for fully mixing the raw materials is shortened, and the usability of the equipment is effectively improved.

A white oil filtering and storing system comprises a blending device and a storing device, the blending device comprises a blending kettle body (21), a raw material feeding port (2s2) is formed in one side of the top of the blending kettle body (21), a finished white oil outlet (40) is formed in the bottom of the blending kettle body (21), and the raw material feeding port (22) is connected with an outlet of a turbine dynamic pipeline mixer (23) through a bent pipe; the device has the advantages of solving the stirring dead angle, realizing uniform mixing and improving the quality stability of the finished white oil product. And through cooperation of the double-layer storage tank and the leakage pool, leakage is effectively prevented, and pollution to the environment after leakage is reduced.

The present invention provides a suspension emulsion for fracturing fluid, comprising: 40-60 parts by weight of white oil; 30-60 parts by weight of a thickener; 1-5 parts by weight of a nonionic emulsifier; 1-3 parts by weight of bentonite; 0.5-2 parts by weight of a suspending agent; 0.5-2 parts by weight of a dispersant; and 0.1-1.2 parts by weight of a cosolvent. Compared with the prior art, the suspension emulsion for fracturing fluid provided by the present invention has good suspension stability and a fast swelling rate. It can be prepared and injected on-site without residual liquid, thus avoiding waste of fracturing fluid and reducing transportation costs and tank cleaning fees. Furthermore, by reducing the amount of bentonite used, damage to the reservoir is reduced.

The application relates to the technical field of plastic rubber particles, and discloses an antibacterial TPE plastic rubber particle and a preparation method thereof. The antibacterial TPE plastic rubber particle comprises the following raw materials in parts by weight: SEBS 50-60 parts, polypropylene 20-30 parts, white oil 20-30 parts, sodium carboxymethyl cellulose 5-10 parts, antioxidant 1010 0.5-1 part, coupling agent KH550 1-1.5 parts, carbon fiber 2-3 parts, modified antibacterial agent 0.5-1 part, and modified light stabilizer 2-4 parts. In the application, the modified antibacterial agent is prepared through multiple mechanisms to synergistically resist bacteria, can inhibit bacterial reproduction and metabolism, and reduces the pollution risk caused by the breeding of microorganisms; the modified light stabilizer is prepared, can efficiently absorb ultraviolet rays and block the photoaging chain reaction, effectively resists the erosion of ultraviolet rays on the plastic, and prolongs the service life of the product.