218results about How to "Reduce consumption costs" patented technology

The invention discloses an electric drive fracturing semitrailer with dual engines and dual pumps. The electric drive fracturing semitrailer with the dual engines and the dual pumps comprises a semitrailer body, two plunger pumps, two radiators and an electrical control cabinet. The electric drive fracturing semitrailer with the dual engines and the dual pumps is characterized by further comprising two electromotorsand an inverter unit. The plunger pumps, the radiators, the electrical control cabinet, the electromotors and the inverter unit are integrated in the semitrailer body, the inverterunit is arranged on the gooseneck of the semitrailer body, the output end of the inverter unit individually drives the two electromotors, the other ends of the two electromotors are connected with theplunger pumps correspondingly, lubricating oil of the plunger pumps is cooled through the radiators, and local operation of the electric drive fracturing semitrailer with the dual engines and the dual pumps is realized through the electrical control cabinet. The electric drive fracturing semitrailer with the dual engine and the dual pump has the beneficial effects that the electromotors are adopted to drive the plunger pumps through a transmission shaft, the volume is small, and the economic efficiency, energy conservation and environment protection are achieved. The signal pump power of theplunder pumps is improved, design that the dual pumps are driven by the two electromotors is adopted by the whole fracturing device, the output power of the fracturing device is greatly improved, andthe using requirements are better met.

The invention discloses a latent heat storage type gypsum-based building material which is formed by combining a composite phase change material with building gypsum, wherein, the composite phase change material takes expanded graphite as a adsorbing medium; the mixing amount of the composite phase change material is 3 percent-6 percent of the total amount of the material; the mixing amount of the building gypsum is 94 percent-97 percent of the total amount of the material; the expanded graphite is made from expandable graphite, namely crystalline flake graphite processed by intercalation, the expandable graphite presents a flake shape, the granularity is 40-60 meshes, the carbon content is larger than or equal to 99 percent, and the expansion multiple is 200 mL / g-300 mL / g; and the phase change material is paraffin wax, the phase-transition temperature thereof is 50 DEG C-70 DEG C, the phase-transition temperature of butyl stearate is 18 DEG C-24 DEG C, and the phase-transition temperature of palmitic propyl ester is 18 DEG C-24 DEG C. The building material can play the roles of adjusting the environmental temperature and reducing the building energy consumption without influencing original functions.

The invention discloses a biomass fuel crusher. The biomass fuel crusher comprises a supporting base, wherein a rack is arranged on the supporting base, a feeding bin is arranged at the front part of the rack, a crawler-type feeding conveyer is horizontally distributed in the feeding bin, a forced feeding roll is arranged at the top part of the rear end of the crawler-type feeding conveyer, a crushing compartment is arranged on the rack at the rear part of the forced feeding roll, a crushing roll is arranged in the crushing compartment, a crushing cutter bit is arranged on the surface of the crushing roll, a crushing separating screen is coaxially sheathed at the periphery of the crushing roll, a crushing feeding hole matched with the forced feeding roll is formed at the front part of the crushing separating screen, a discharging compartment communicated with the crushing compartment is arranged at the bottom of the crushing compartment, a discharging hole is formed at the bottom of the discharging compartment, and a discharging conveyer is arranged under the discharging hole. According to the biomass fuel crusher, the universality of the crusher is improved, various biomass fuels in wastes in the fields of agriculture, forest industry, industry, construction industry and the like can be subjected to crushing processing, the operating efficiency and the crushing quality of the crusher are improved, the service life of the crusher is prolonged, the power consumption is reduced, and the using cost and the operating expense are reduced.

The invention relates to a residual heat recovery system of sewage water of a coke dry quenching boiler. The system is characterized in that a sewage water heat exchanger is additionally arranged, desalting water which is delivered to an auxiliary coal saver by a water feed pump of a deaerator is used as a cooling medium to exchange heat with the sewage water nearby, and then the heat-exchanged desalting water is delivered to the deaerator to be deaerated. The system has the advantages that the problem of quantity distribution of water entering the heat exchanger and the auxiliary coal saver is avoided, and the operation and the control are convenient; the temperature of the desalting water entering the heat exchanger is minimum, the heat exchange temperature difference is high, and the heat recovery effect is good; the temperature of air at an inlet of the coke dry quenching boiler is controlled to 115 DEG C to 135 DEG C, and the temperature of actual running is controlled to about 125 DEG C and has a space of 10 DEG C from the maximum temperature, so the adjusting capability is high; and in addition, the quantity of circulating air is higher, so the temperature of the water entering the auxiliary coal saver is raised by about 8 DEG C in comparison with the temperature of the previous arrangement, the effect on the temperature of circulating air is little, and the running parameters of a coke dry quenching groove and the boiler are controlled within the specified range.

A hydraulic plug-in board includes reinforcement concrete pile board and water pipes installed in it vertically, water distribution pipes which bottom is installed horizontally and connected with water distribution pipes, preformed reinforcement which is buried and one side is equipped with slideway, another side is equipped with slide board and the top is equipped with hoisting lifting ring, vertical baffle water way which is installed on said concrete pile board, two sides of slideway and slide board. Its usage includes:(A) lifting the reinforcement concrete pile board with hoisting equipment, putting it into ground layer by the mode of hydraulic injection through the water pipes and the water distribution pipes, inserting the slide board of another reinforcement concrete pile board into ground layer through the hollow square steel slideway with gap in ground layer; (B) overall connectivity between the boards, firstly cleaning-up the baffle water way with flush pipe, then putting rectangular casting bag into it and filling with cement mortar to forming a inner chamber water between boards and isolated with outer of board; (C) putting the slip casting pipe into the hollow square steel in said inner chamber, filling it with cement mortar from bottom to up, to making the whole combining part between boards form a concrete pile board whole device with sandwich steel board; (D) casting-in-situs or not the top beams.

The invention is about the PCR detecting method of a respiratory tract pathogen and the reagent box. The character is to design the vector and the probe according to the highly special base groups of the pathogen by analyzing the nucleic acid sequence of the pathogen. So next to amplify the PCR or the RT-PCR in the fluorescent PCR instrument.

The invention relates to an HTEE series nocturnal radiation paint which is a special energy-saving material for a high temperature furnace and is applicable to petrochemical engineering furnaces and furnaces in the metallurgic, electric power, ceramic, architectural and aviatic industries and other industries, as well as civil furnaces. The invention utilizes a Y2O3 rare-earth nanophase material for enhancing the strength and the aging resistance performance of nocturnal radiation paint and provides a high temperature nocturnal radiation paint which is directly coated on the lining of a metal heating device or on a heater or a fire-resistant ceramic material of the high temperature furnace. The high temperature radiation paint has the advantages of high thermal efficiency, high temperature resistance, stable adhesive property, capability of effectively saving energy, furnace-body service life prolonging, and the like. The invention adopts the hydro-thermal method to synthesize the Y2O3 rare-earth nanophase material, the solid material of the high temperature paint is selected to comprise 50% of zirconia, 20% of monox, 8-15% of aluminum oxide, 3-6% of ferric oxide, 10-14% of chromium trioxide, 3-9% of sodium sodium phosphate and 1-3% of calcium carbonate. A corresponding liquid material (adhesive agent) is a special high temperature adhesive agent and mainly comprises 0.5-3% of Y2O3, 2-6% of aluminum oxide, 1-3% of ferric oxide, 0.4-2% of manganese oxide, 1-3% of calcium carbonate, and the balance of tap water. The ratio of the solid material and the liquid material is maintained to be 3:2. The solid material and the liquid material are proportionally mixed and then evenly stirred at the normal temperature, and then the special nocturnal radiation paint for the high temperature furnace can be obtained. The use temperature of the nocturnal radiation paint ranges from 1,200 DEG C to 1,800 DEG C.

The invention provides a preparation method of a filter material with denitration and dioxin-removal effects. The preparation method comprises the following steps: (1) after an active metal catalyst powder and PTFE resin powder are mixed, catalyst-containing PTFE fiber and a catalyst-containing PTFE micro-porous membrane are respectively prepared; (2) the catalyst-containing PTFE fiber and high-strength PTFE fiber are made into warp beams by a 1-10:1-10 alternate arrangement mode, and a PTFE base cloth layer is prepared by a weaving mode; (3) the catalyst-containing PTFE short fiber and a base material undergo composite acupuncture or spunlace on the surface of the PTFE base cloth layer so as to prepare a PTFE felt layer; (4) an active metal catalyst emulsion and a PTFE emulsion are mixed to prepare a catalyst mixed treating fluid, and the PTFE felt layer undergoes mass-impregnation treatment and then is sintered at 300-350 DEG C; and (5) the sintered PTFE felt layer and the catalyst-containing PTFE micro-porous membrane are simultaneously introduced into a hot laminator to undergo surface hot-press lamination processing. According to the invention, filtration accuracy and denitration and dioxin-removal efficiency can be enhanced remarkably.

The invention provides a beam-slab framework early removal construction method. The method comprises the following steps: (1) span changing treatment is performed, wherein a technical measure of adding a single row of upright poles under a secondary joist of 10*10cm square lumber at the bottom of a longitudinal mid-span part of a slab for supporting is adopted, the square lumber secondary joist separates the slab with the span more than 4m into a bidirectional plate structure with the early removal span between 2 and 4m in a beam support mode; and in the same way, the technical measure that double poles are vertically added at the bottom of the beam every other 2.6 to 4m for a supporting is adopted, and the beam is turned into a framework removal structure with the early removal span between 2.6 and 4m; (2) the structure strength, rigidity and crack width in framework early removal are determined and calculated according an existing formula, and when the calculation results meet requirements at the same time, early removal construction is permitted; and (3) framework early removal construction is performed, wherein after the lowest permitted framework removal strength is determined, the actual early removal strength of concrete is calculated on the basis of the pressure testing strength of a test block is maintained under the same condition; whether the actual early removal strength is more than the calculated early removal strength or not is judged, and if the actual early removal strength is more than the calculated early removal strength, a later removal support system can be maintained, and other framework supports are removed.

The invention discloses a measuring method of carbon, hydrogen and nitrogen contents in biomass fuel. The measuring method comprises the following steps of burning a sample to be measured, collecting mixed gas generated by burning, measuring and calculating full carbon, full hydrogen and full nitrogen percentage contents of the sample to be measured, and calculating the carbon, hydrogen and nitrogen contents in the biomass fuel to be measured. The method has the advantages that the measuring accuracy of the method is higher than that of an infrared-thermal conductance method of a coal sample, the measuring efficiency of the method is higher than the combined measuring efficiency of standard measuring methods, namely a semimicro Kelvin method and a three-section furnace method, and the method is applicable to quickly and efficiently measuring the carbon, hydrogen and nitrogen contents in the biomass fuel, can achieve high accuracy of measuring results and is low in implementation cost.

The invention provides an augmented-reality-based simulation training system of a transformer substation. A construction method of the system comprises: acquiring an original model data and attributeinformation of a transformer substation building structure and equipment, carrying out compression and sampling on the original model data to generate discrete model data, and combining the discrete model data to generate a lightweight three-dimensional model based on power business features; generating an attribute information database based on the attribute information of the transformer substation; carrying out physical and electrical behavior modeling on the transformer substation according to an operating mode of the transformer substation so as to generate a physical behavior model and an electrical behavior model; and carrying out configuration packaging on the lightweight three-dimensional model, an information database, the physical behavior model and the electrical behavior modelto generate a transformer substation simulation model. Therefore, the compression efficiency and quality of the model are improved, the computing load of data is reduced substantially, and a simulation model is provided for the simulation training system of the transformer substation.

The present invention relates to a continuous extrusion method of rod material and its equipment. In particular, it relates to a rod material preheating continuous extrusion method. Firstly, said blank material is heated, then is fed into a continuous extrusion equipment, extruded and formed. The equipment described by said invention includes rod material pretreatment device, heating device, oxidation proof protection device and continuous extrusion device which are successively dynamically connected together.

The invention provides a technology which can finish decolorization and dewaxing of vegetable oil within one step. The technology is described as following: after being heated, the vegetable oil needed to be treated is mixed with argil and active carbon; the mixture is sent into a decolorization tower for absorption; the materials after being absorbed then is sent into a deacidification tower for re-absorption; the materials after being re-absorbed then is pumped into a crystallizer for crystallization; the materials after being crystallized then is sent into a separator to separate the vegetable oil. The technology finishes decolorization and dewaxing treatment within one step. The materials after being decolorized directly enter into the decolorization tower without separating, with the result that the intermediate links between the decolorization and the dewaxing processes are reduced. The technology saves the equipment input and steam, power and manpower consumption necessary during the separation process, avoids the loss of the vegetable oil produced by the separation, has good decolorization and dewaxing effects, can recycle the argil and the active carbon when dewaxing, does not need to add filter acid any more, saves consumption costs of the filter acid, and greatly reduces the production cost of the vegetable oil.

The invention discloses a data processing method and system. The method comprises the steps of: matching obtained rate short messages with automatic machine files, and obtaining a matching result, wherein the automatic machine files include files generated when compiling is carried out on at least one pre-storage template through set automatic machine compiling rules; determining at least one matching template matched with the rate short messages according to the matching result; extracting at least one piece of rate data corresponding to the at least one matching template in the rate short messages; and according to the extracted at least one piece of rate data and the at least one matching template and according to rules, generating a data statistics result. The data processing method and system solve the problems that the data processing efficiency is low, and the accuracy is poor.

The invention belongs to the technical field of refrigeration and air-conditioning, in particular to a multifunction six-in-one air cooled heat pump unit for refrigeration, heating and domestic hot water. A water side heat exchanger and an air side heat exchanger can be used as a condenser or an evaporator, a regenerator can be used as the condenser and a partial heat regenerator, and a four-way valve, a heat reclaim valve and magnet valves are used for assistance and combined to form six functions: 1, refrigeration; 2, the refrigeration and total heat recovery; 3, the refrigeration and partial heat recovery; 4, independent domestic hot water; 5, heating; and 6, the heating and the partial heat recovery. The heat pump unit is environment-protecting, energy-saving and can be served for multiple purposes.

The invention discloses an ignition experimental device and an ignition experimental method of an airplane fuel tank. A temperature and a pressure of the ignition experimental device are controlled respectively through a heater and a boosting pump to simulate status change in the fuel tank, extinguishment, burning and exploding of sparks in the fuel tank when the fuel tank is punctured by a threatening weapon and the sparks are generated with different anti-explosion materials placed in the airplane fuel tank or in different filling manners. Changes of the temperature and the pressure in the fuel tank are recorded through temperature sensors and pressure sensors at different positions so that performances of different anti-explosion materials and different filling manners under different flight statuses can be determined. The ignition experimental device is simple in structure. The temperature sensors and the pressure sensors are respectively connected to a computer. A ventilating hole and a vacuum pump, a fuel inlet and a pump, and a fuel outlet are respectively connected to each controlling button on a control panel. An ignition device is connected to a power supply. The device and the method can provide basis for selection of built-in materials and the filling manners in the airplane fuel tank according to an experimental result, thereby performing high-survivability evaluation to the airplane fuel tank.

The invention relates to a real-time measurement method for automatically measuring quality of actually shot bullets when a small arm in stillness or motion shoots at a target. The method includes: aiming for each bullet, arranging an acoustic transducer at the lower position of a muzzle to collect a bullet shockwave signal and a muzzle shockwave signal, selecting a specific time difference between the bullet shockwave signal and the muzzle shockwave signal received by the acoustic transducer, and calculating the quantity of the actually shot bullets with a mathematical model. The method is free of influences of bullet shape and structure parameters as well as optical, magnetic, electrical and acoustic interferences, high in measurement accuracy and convenient to use, and calibration coefficients are not required. The high-accuracy measurement method is provided for measuring the quantity of the actually shot bullets automatically in real time when the small arm shots at the target.

The invention discloses a compact material flow adjusting valve, which comprises a valve body, a manhole door, a tapered sleeve and a liner barrel, wherein the manhole door is correspondingly arranged at the side part of the valve body; the tapered sleeve is supported inside the valve body; the liner barrel is supported inside the tapered sleeve; the compact material flow adjusting valve further comprises a first valve plate, a second valve plate and an executing mechanism, wherein the first valve plate and the second valve plate are correspondingly arranged below the liner barrel; the first valve plate and the second valve plate move relatively and are used for controlling the velocity or the time of material flow; and the executing mechanism are used for driving the first valve plate and the second valve plate so as to transmit power to the first valve plate and the second valve plate in a linkage way. With the adoption of the compact material flow adjusting valve, the stable and smooth operation of a blast furnace is ensured, the furnace burden segregation is prevented, the structure is compact, the height is relatively low, and the production cost is reduced effectively.

The invention provides a dual three-dimensional coordinate line cutting discharge processing device, which consists of two sets of wire movement systems which are not used at the same time; the two upper wire guiding components in the two sets of wire guiding mechanisms are both arranged on an upper wire guiding component installation plate; the two lower wire guiding components are arranged on a lower wire guiding component installation plate. Therefore, the invention establishes the two three-dimensional position coordinate system which consists of two sets of X, Y, U, V, Z five coordinate axises and is formed by the electrode wire section between the upper wire guiding component and the lower wire guiding component corresponding to the workpiece in space position relation; the origin of each coordinate system is the center of the wire guiding hole of respective lower wire guiding elements. A fixed distance L in an X-Y plane is arranged between the origins of the two coordinate systems. When the rough cutting process of the first wire movement mechanism is achieved by a rough wire electrode, an X-Y axis motion trailing bar moves the fixed distance L correspondingly in the X-Y horizontal plane, thus leading the three-dimensional position coordinate system of the second wire movement mechanism to be coincident to the three-dimension position coordinate system of the first wire movement mechanism; a precise cutting discharge process is achieved to the profile of the workpiece for a plurality of times by fine electrode wire of the second wire movement mechanism, thus achieving the cutting process for a plurality of times to the same workpiece sequentially by the two wire movement mechanisms.

The invention discloses a combined jet blade wheel underwater aerator which comprises a motor (1), a reductor (2), a mounting frame (4), a transmission mechanism and a blade wheel (20). The motor (1) is fixedly connected with the reductor (2). Blades (20) are radially fixed on the blade wheel (20). A water inlet hole (26) is formed at the bottom of the blade wheel (20). The combined jet blade wheel underwater aerator is characterized in that a pedestal (3) is arranged at the bottom of the reductor (2); the upper surface of the pedestal (3) is fixedly connected with the reductor (2) and the lower surface thereof is fixedly mounted on the mounting frame (4); and the upper end of the transmission mechanism passes through the pedestal (3) and then is connected with the output shaft of the reductor (2) in a sliding manner and the lower end thereof is fixedly connected with the blades (20). The combined jet blade wheel underwater aerator can be mounted on a pond with convenience in installation, connection, maintenance and repair and low labor intensity of the operating staff, and can ensure uniform distribution of dissolved oxygen in water in three layers, increase the dynamic efficiency and reduce the cost of purifying various sewages.

The invention provides a real-time imaging detection system for the X-ray detection of a weld joint of a cylinder. The system comprises a control console provided with a control computer, a high pressure generator, an X-ray tube head connected with the high pressure generator, an X-ray imaging receiver, a motion transmission mechanism, a gantry bracket, a guide rail pair positioned below the gantry bracket, a circulating water cooler for cooling the X-ray tube head, and a tool for mounting a to-be-detected weld joint cylinder, wherein X-ray imaging software is arranged on the control computer; the X-ray tube head and the X-ray imaging receiver are arranged on different motion output members of the motion transmission mechanism opposite to each other; the tool for mounting the to-be-detected weld joint cylinder is a tool which is driven by a motor to rotate around a vertical axis; at least four rollers matched with the guide rail pair are arranged below a tool bracket; and the signal control ends of the X-ray tube head, the X-ray imaging receiver and a motion transmission mechanism driving motor of the X-ray tube head, the X-ray imaging receiver and the signal control end of a tool rotation driving motor are respectively connected with the signal control end of the control computer.

The invention discloses a preparation method of a high-emissivity energy-saving infrared radiation coating. The preparation method comprises steps as follows: step one, preparation of coating materials; step two, pretreatment of a base body; step three, spraying of the coating; and step four, sintering and curing of the coating. The coating is stable in structure under high-temperature sintering, performance is comprehensively promoted, the emissivity of the coating cannot be attenuated and aged during use, and the service life of the coating is longer than six years; glazing ceramic coating with a compact structure is formed on the furnace lining surface, the service life of a furnace is prolonged by more than two times, and maintenance and overhaul workload of a furnace lining, consumption of raw materials and maintenance cost are reduced.

The invention discloses an electricity arrangement method for resident user cooperate gaming in consideration of a household distributed power supply. A plurality of resident users adopt the cooperation gaming mode to optimize the electricity arrangement of the load and the result of the cooperation gaming effectively reduces the energy source consumption cost of the plurality of users and has the definite benefit guiding. Besides, the invention also introduces the user distributed power supply equipped with the energy storage device into the resident household, which enables the resident user to use the electric energy emitted by the distributed power supply, the choices of arranging the electric consumption periods are more, and the electric consumption is less than the normal resident.

The invention relates to a light beam projector display screen for illuminating by using easily removable coating, especially relates to a display screen of an illumination beam projector, the above light beam projector display screen for illuminating comprises: a plate-shaped component (1a); a removable coating which coats the above plate-shaped component (1a) that is solified, so that a non-transparent or translucent coating film layer (2) is formed, the removable coating can be removed after set time after solidifying or by contacting with water after solidifying, thus the removable coating is removable and comprises silica fine particles.

The invention provides a preparation method of a high performance polytetrafluoroethylene functional filter material for denitration and dioxin removal. The method includes the steps of: (1) mixing active metal catalyst powder with PTFE resin powder to make catalyst-containing PTFE fiber and a catalyst-containing PTFE microporous film respectively; (2) making the catalyst-containing PTFE fiber and high strength PTFE fiber into a warp beam by means of 1-10:1-10 alternate arrangement, and making a PTFE base cloth layer by machine weaving; (3) mixing an active metal catalyst emulsion with a PTFE emulsion to prepare a catalyst mixed treatment solution, conducting overall impregnation treatment on the PTFE base cloth layer, and then performing sintering at 300-350DEG C; and (4) introducing the sintered PTFE base cloth layer and the catalyst-containing PTFE microporous film into a hot film laminator simultaneously, and carrying out hot pressing laminating processing. The high performance polytetrafluoroethylene functional filter material provided by the invention can significantly improve the filtering precision and the efficiency of denitration and dioxin removal.

The invention discloses a method for measuring the magnitude of a white light interferometer with an etalon. The method comprises the steps: a parallel light path system with the same clear aperture is additionally arranged in front of a light splitting light path in a light path of the white light interferometer, and the etalon is placed in the parallel light path system; interference fringes ofthe interferometer are adjusted, and two coherent light paths of the interferometer are adjusted to be completely vertical; the distances between two coherent lights from the light splitting point tothe two reference mirrors are adjusted to be equivalent, and a white light zero-order interference band appears; through the adjustment of the reference mirrors and a gauge block workbench, the interference band on steel flat crystal is parallel to the short edge of a measured block, and the zero-order interference band on the measured block passes through the midpoint of the middle part of the measured block; and the distance between the zero-order interference band on the steel flat crystal and the zero-order interference band on the central point of the measured block is measured and corrected. According to the method, the measurement precision of the gauge block is improved, gross errors are avoided, the measurement efficiency is improved, abrasion is avoided, the service life is long,measurement automation and semi-automation are easy to achieve, and many kinds of precision measurement can be conducted.

The corn harvester with straw collection function of the present invention belongs to the field of farming and animal husbandry; the technical problem to be solved is to provide a compact structure to reduce the volume without affecting the harvesting efficiency, and to use a disc-type cutting knife to crush the straw , a harvester with better crushing effect; the technical solution to solve this technical problem is: corn harvester with straw collection function, including frame, ear picking mechanism, peeling mechanism, driving platform and elevator. The ear picking mechanism will The stalks in the upright state are cut and the ear is separated from the stalk. The outlet of the ear picking mechanism is connected with the inlet of the peeling mechanism. The bract leaves are peeled off, the outlet of the peeling mechanism is connected with the inlet of the elevator, and the ears after peeling are transported to the ear box at the outlet of the elevator through the elevator, and the cutting knife is arranged in a disc Cut off the straw at the lower part of the gear case.

The invention provides a vegetable oil dewaxing process by using waste clay and waste activated carbon, which belongs to a process used in producing vegetable oil. The process is that the vegetable oil which is processed decolorizing treatment is heated. The separated clay, active carbon and vegetable oil after being processed decolorizing treatment are mixed together. After mixed, the mixture is sent into a bleaching tower to be absorbed. The materials formed after being processed absorption are pumped into a crystallizer to be crystallized. The crystallized materials are sent into a segregator to be separated. The vegetable oil is separated. The dewaxing process uses the separated clay and active carbon after being processed decolorizing treatment. The clay and the active carbon are reused. Diatomite and perlite are not needed to be added to be as the filter aid in the dewaxing process. The consumption cost of the filter aid is saved, and so the production cost of the vegetable oil can be greatly reduced. The dewaxing effect is good.

The invention discloses a bifunctional catalyst-based short-process Fischer-Tropsch synthesis novel oil preparation process. The process comprises the steps: desulfurating and purifying coarse synthesis gas prepared by taking coal, natural gas or biomass as raw materials, and then adjusting the coarse synthesis gas to raw material synthesis gas with a proper H2 / CO molar ratio through a water coal gas shift reaction; and feeding the raw material synthesis gas into a reactor for Fischer-Tropsch synthesis reaction in the presence of the bifunctional catalyst, separating the raw material synthesis gas to directly obtain a gasoline component with a high octane number, reforming methane steam, recovering hydrogen and low carbon hydrocarbon by treating tail gas, and carrying out wastewater treatment after removing alcohol substances from synthetic water, wherein the used catalyst is the bifunctional catalyst which comprises two parts: a molecular sieve and a metal active component, and the metal active component is embedded into a molecular sieve crystal. The Fischer-Tropsch synthesis oil preparation novel process provided by the invention can be used for directly obtaining gasoline which meets the purity and yield requirements with the high octane number through a one-step process, so that integration of Fischer-Tropsch synthesis reaction and product refining is realized, and the process is of great practicality and economical benefits.