2992 results about "Grease" patented technology

The invention relates to a kitchen waste oil recovery treatment method, which comprises: S1, carrying out multi-field synergistic pretreatment: sequentially carrying out ultrasonic wave and high-frequency pulse electric field treatment on waste oil to break an emulsion layer, adding magnetic nanoparticles to adsorb polar impurities, and carrying out magnetic field separation to obtain high-purity oil; s2, supercritical catalytic reaction: under the CO2 supercritical condition, using a core-shell structure composite catalyst to synchronously perform transesterification reaction and glycerol dehydration reaction; s3, dynamic membrane separation: separating biodiesel and glycerol in real time through an intelligent membrane assembly; s4, gradient utilization of energy: recovering reaction waste heat to drive membrane distillation to concentrate wastewater, and using tail gas CO2 for carbonation reaction to generate calcium carbonate. Through four core technologies of multi-field collaborative pretreatment, low-temperature supercritical catalysis, dynamic membrane separation and energy gradient utilization, triple limitations on efficiency, cost and environmental protection in the prior art are remarkably broken through.

The invention belongs to the technical field of polymer composite materials, and particularly relates to an oil-resistant interior material. The material comprises a porous base material layer, a fluorine-containing polymer and organic silicon resin blended oil-resistant functional layer and a micro-nano structure layer with a periodic micro-bulge array, surface modified nanoparticles are distributed in the functional layer in a gradient manner, and the micro-bulge surface is covered with a perfluoropolyether / fluorinated silicon dioxide composite coating; through a synergistic effect of a low-surface-energy oleophobic interface formed through chemical bonding and curing and a micro-structure capillary lifting effect, anti-permeation barrier of high-viscosity grease is realized, and meanwhile, mechanical wear resistance and thermal stability are improved by virtue of a nano-particle enhanced cross-linked network; and continuous imprinting and an ultraviolet-thermal dual-curing process are combined to achieve high-efficiency manufacturing with zero solvent residue, and finally the interior material with long-acting oil resistance, high environmental tolerance and industrial mass production feasibility is obtained.

The invention belongs to the technical field of steel sheet piles, and discloses a steel sheet pile for compensating stratum loss during pile pulling and a construction method.The steel sheet pile comprises a plurality of steel sheet pile units, and each steel sheet pile unit comprises a plurality of steel sheet piles; the foundation pit sides of the steel sheet pile units are connected with a plurality of compensation bags, and grouting systems are arranged on the foundation pit sides of the compensation bags. The foundation pit side of the steel sheet pile is coated with viscous grease, the side, facing the steel sheet pile, of the compensation bag is coated with pressure-sensitive adhesive, and the compensation bag is temporarily connected with the steel sheet pile; the grouting system comprises a main grouting pipe, the bottom of the main grouting pipe is connected with a horizontal grouting pipe, the side, facing the steel sheet pile, of the horizontal grouting pipe is connected with a plurality of flow dividing pipes, and the flow dividing pipes correspond to the compensation bags. A vertical branch pipe is upwards separated from the middle position of the flow dividing pipe, and is connected with a grouting connector at the bottom end of the corresponding compensation bag; the tail end of the flow dividing pipe is downwards divided into an inclined grouting pipeline, and the inclined grouting pipeline faces the lower portion of the steel sheet pile. The technical problem that filling is not timely due to the fact that grouting pipes are installed to fill gaps after steel sheet piles are pulled out in the prior art is solved.

The invention provides a rotary table bearing-torque motor thermal vibration coupling modeling method, and relates to the technical field of machine tool reliability analysis. Comprising the steps of calculating bearing restoring force, torque and elastic rigidity; giving a dynamic balance equation of the main shaft system; unbalanced magnetic pulling force and unbalanced mass excitation are calculated; a displacement field is solved, and load changes caused by the displacement field are transmitted to the thermal model; the contact force borne by the bearing is updated by considering the load effect related to displacement, and the friction heat generation of the bearing and the heat generation of each part of the motor are calculated; calculating thermal deformation and thermal displacement of the bearing; thermal resistance among nodes is calculated, and a temperature field equilibrium equation is given through a thermal resistance network to achieve rapid thermal-mechanical coupling analysis; the thermal equilibrium equation is solved to calculate temperature response; importing the latest temperature into the kinetic model; lubricating grease viscosity and bearing thermal deformation are updated; and repeating the steps to finally obtain the main shaft displacement field and temperature field response. The method is high in accuracy, high in universality, low in test cost and high in test efficiency.

The invention discloses a bio-based PHA oil-resistant and moisture-permeable coating for hamburger paper, coated paper and a preparation method, and belongs to the technical field of bio-based high polymer materials and paper-based food packaging. The coating is a PHA aqueous dispersion, and mainly comprises a semi-crystalline matrix PHA and a low-crystallinity or amorphous toughening PHA. The core of the coating is that after the coating is dried to form a film, a functional gradient structure can be spontaneously formed in the thickness direction of the coating: an interface layer close to a paper base is rich in toughening PHA so as to enhance toughness and adhesive force; and the surface layer of the coating is rich in matrix PHA so as to maximize the oil resistance. By means of the functional gradient structural design, the packaging material integrates oil resistance, moisture permeability and flexibility of the packaging material, has the degradable environment-friendly characteristic and is suitable for packaging high-grease food.

The preparation method comprises the following steps: mixing walnut oil and idesia oil according to a mass ratio of (85-90): (10-15), stirring and heating to 68-72 DEG C under the condition of a rotating speed of 55-70 rpm, adding a gel compounded by edible wax and polyglycerol fatty acid ester according to a mass ratio of (4-6): 1, continuing to stir until complete dissolution, adding an emulsifying agent, and uniformly stirring to obtain the beta '-crystal-form woody oil-based oleogel, so as to obtain the beta'-crystal-form woody oil-based oleogel, namely the beta '-crystal-form woody oil-based oleogel. The preparation method comprises the following steps: preparing a liquid grease gel solution, directly putting the liquid grease gel solution under the condition of-10 to-40 DEG C for quick freezing, then stirring for 3-6 minutes under the condition of the rotating speed of 150-250 rpm, and standing for 5-6 days under the environment of 20-25 DEG C to prepare the woody oil-based grease gel. The grease gel prepared by the method disclosed by the invention contains a stable beta'crystal form, is high in oil holding rate and proper in hardness, has relatively good oxidation stability, and can be applied to baking instead of animal butter or hydrogenated vegetable oil.

The invention discloses a preparation method of a V-shaped porous starch-grease inclusion compound. According to the method, V-type porous starch is used as a raw material and is blended with grease to prepare the starch-grease inclusion compound. The method specifically comprises the following steps: dispersing grease in a 60% ethanol aqueous solution, adding V-shaped porous starch, magnetically stirring for 2 hours at 25-30 DEG C, centrifuging the solution, washing the obtained precipitate twice by absolute ethyl alcohol, freeze-drying the washed precipitate, grinding, and sieving by a 100-mesh sieve, thereby obtaining the V-shaped starch-grease inclusion compound. According to the method, 60% ethanol is adopted as a solvent, efficient embedding of the grease is achieved under the normal temperature condition, and the adverse effect of a traditional heat treatment method on the oxidation stability of the grease is avoided. According to the method, on the basis of a spiral cavity structure and a honeycomb-shaped pore structure of V-shaped porous starch, grease is efficiently embedded in an inner cavity of the starch by utilizing a blending adsorption method, the content of free grease on the surface is reduced through the synergistic effect of physical adsorption and intermolecular acting force, and the stability of grease embedding is improved.

A crossed roller bearing and an isolation block belong to the technical field of bearings, and are characterized in that oil storage holes are respectively formed in the centers of contact surfaces of two rollers; the four vertical surfaces are respectively provided with a guide oil groove, and the guide oil grooves extend and penetrate through the whole thickness of the corresponding vertical surfaces; and an included angle is formed between the extending direction of the guide oil groove and the central axis of the isolation block, so that a pumping effect is generated when the roller rotates, and lubricating grease is promoted to flow in the guide oil groove. The internal grease storage space of the bearing is optimized, and the internal lubrication state is greatly improved.

The invention belongs to the technical field of food lipid and processing, particularly discloses a one-pot enzymatic cascade degumming and deacidification method for grease and application, and particularly relates to a method for performing cascade degumming and deacidification on multiple kinds of grease, generating functional lipid, improving the quality of the grease and maintaining the flavor of the grease. According to the method, phospholipase is immobilized through the porous carrier and is successfully applied to enzymatic cascade degumming and deacidification, and degumming, deacidification or cascade degumming and deacidification can be carried out on different raw materials according to requirements. Moreover, the prepared grease is rich in functional lipid components, the flavor is efficiently reserved, the oxidation stability is improved, the nutritional quality is improved, the immobilized carrier is cheap and easy to obtain, the immobilized enzyme can be repeatedly used for multiple times and is remarkably superior to free enzyme, and the industrial application potential is huge.

A lubricating grease for electric vehicle applications includes thickener 6% by weight (wt. %) to 12 wt. %, lubricating oil 57 wt. % to 92.98 wt. %, and surface-active ester 1 wt. % to 10 wt. %. The lubricating grease also includes additives including friction reducer and modifier 0.1 wt. % to 5 wt. %, anti-wear agent 0.1 wt. % to 5 wt. %, and a balance of extreme pressure agent, oxidation inhibitor, and corrosion inhibitor.

The invention relates to a lubricating grease porous material permeability test device, and relates to the technical field of material performance analysis, the device comprises a placing table for placing a sample, the placing table is provided with a driving device and a test seat, and the test seat is provided with a test cavity; the driving device is used for driving the testing seat to move in the direction close to the placing table so as to contain the sample into the testing cavity; a sensing device used for sensing lubricating grease below the sample is arranged on the placing table, a sealing device used for sealing the peripheral wall of the sample is arranged in the testing cavity, a conveying device used for conveying the lubricating grease to the position above the testing cavity is arranged on the placing table, and a pressurizing device used for applying pressure to the lubricating grease above the sample is arranged on the placing table. The multiple steps of sample clamping, sealing, grease injection, pressurization and detection are integrated into a coherent automatic process, the test efficiency is remarkably improved, the consistency of test conditions is ensured through mechanical positioning and automatic control, and high repeatability and high reliability of test results are ensured.

The invention relates to the technical field of food processing machinery, in particular to a double-shaft stirring dough kneading device for high-oil and high-sugar dough, which comprises a stirring tank main body, a tank cover is arranged at the top of the stirring tank main body, and a main stirring shaft and an auxiliary stirring shaft which are positioned in an inner cavity of the stirring tank main body are respectively arranged on two sides of the lower surface of the tank cover; wave-shaped blades are evenly distributed on the outer side of the main stirring shaft, fan-shaped blades are evenly distributed on the outer side of the auxiliary stirring shaft, synchronous driving mechanisms corresponding to the main stirring shaft and the auxiliary stirring shaft are arranged on the upper surface of the tank cover, and a temperature control mechanism is arranged at the bottom of the stirring tank body. The double-shaft staggered reverse differential stirring device has the beneficial effects that through double-shaft staggered reverse differential stirring, a grease wrapping layer can be quickly and effectively broken, sugar oil is promoted to be uniformly dispersed and uniformly distributed and fully blended into dough, and then grease and sugar are fully blended into the dough, so that the dough is compact in structure, and the stirring and dough kneading effects are relatively good.

The embodiment of the utility model provides a charging barrel assembly and a smoothie machine, the charging barrel assembly comprises a feeder, the feeder is provided with a feeding port and a discharging port, the feeding port is formed in the top wall of the feeder, the discharging port is formed in the first side wall of the feeder, and the bottom wall of the feeder inclines downwards from the first end to the second end of the feeder and extends to the discharging port; the charging barrel is provided with a top opening communicated with the interior of the charging barrel; wherein the feeder is detachably arranged at a top opening of the charging barrel, the outer periphery of a feeding port of the feeder is combined with the inner periphery of the top opening, and a discharging port of the feeder is communicated with the interior of the charging barrel. The charging barrel assembly provided by the embodiment of the utility model is provided with the detachable feeder, so that not only can the mold and process of the injection molding charging barrel be simplified, but also the lubricating grease and metal scraps generated by friction are prevented from being brought into liquid plastic for injection molding of the charging barrel, and the food sanitation risk is reduced. And moreover, the feeder is detachable, so that the feeder is convenient to clean.

The invention relates to the technical field of coal mine underground drilling equipment, in particular to a gyrator for a coal mine directional drilling machine and a using method.The gyrator comprises a shell, an input shaft and an output shaft, the shaft extension end of the output shaft is provided with a pressure balance type multiple dynamic sealing system, and the sealing system comprises a main sealing unit, a pressure balance unit and a dustproof sealing unit; the pressure balance unit comprises a sealing cavity, a lubricating grease injection channel and a grease injection nozzle; pressure lubricating grease is injected into the sealing cavity through the grease injection nozzle, so that a dynamic positive pressure barrier higher than the internal medium pressure of the gyrator and the external pressure of the environment is formed in the sealing cavity; through a triple sealing structure formed by combining the spring seal main seal, the pressurization balance cavity and the V-shaped dustproof ring and by combining an active injection and dynamic balance using method, passive blocking of traditional sealing is converted into active defense, the problem of invasion of high-pressure slurry and pulverized coal is effectively solved, and the service life of the sealing device is prolonged. And the working reliability and the service life of the equipment are obviously improved.

A strain wave gearing (1) is configured to have a unitized structure having a main bearing (5) that supports an internally toothed gear (2) and an externally toothed gear (3) in a manner that allows relative rotation, and an output flange (6) that is linked to the externally toothed gear (3). The externally toothed gear (3) is formed in the shape of a wine glass and ensures a large hollow diameter, which is required in cases where the externally toothed gear (3) is incorporated into a robot joint part or the like. A strain gauge (101) of a torque sensor (100) is attached to an outward-facing end surface portion of the output flange (6) linked to the externally toothed gear (3). The torque sensor (100) is capable of precisely detecting rotational torque without being affected by flexing of the externally toothed gear (3), and elements such as the strain gauge (101) are not exposed to oil, grease, or the like.

The invention provides a self-lubricating structure of a tapered roller bearing, and relates to the field of bearing lubrication.The self-lubricating structure comprises a bearing assembly, the bearing assembly is composed of an outer ring mechanism, an inner ring mechanism and a pressure piston, lubricating grease can be stored in the outer ring mechanism for standby application, and self-lubricating use of the bearing assembly can be achieved for a long time through single-time filling; the outer ring mechanism can achieve the function of automatically lubricating the bearing assembly under the cooperative use of the inner ring mechanism and the pressure piston, manual control is not needed, the bearing assembly can automatically achieve starting and stopping of the lubricating grease adding function according to the operation working condition of the bearing assembly, manual regulation and control are not needed, and the working efficiency is improved. And only a proper amount of lubricating grease is added each time, so that the phenomenon that the lubricating grease is added too much or too little each time is avoided, and the problems that an oil storage structure is not arranged in an existing tapered roller bearing, only a small amount of lubricating grease can be added each time of lubrication, and the lubrication efficiency maintaining time is short are solved.

A grease filling method for a ball screw device includes the steps of covering an outer periphery of a screw shaft protruding from one end portion of a nut with a covering member, supplying grease to a portion between a nut inner peripheral surface on one end portion side of the nut and the screw shaft, inserting the protruding screw shaft into a nut inner side while being covered with the covering member, bringing a tip of the covering member in an insertion direction closer to an end portion of an infinite circulation path on the one end portion side of the nut, and sending the grease supplied to the nut inner side to a region of the infinite circulation path, pulling out the covering member together with the screw shaft from the one end portion of the nut, and taking out the covering member from the screw shaft.

The invention provides high-temperature-resistant, mute and long-life bearing lubricating grease and a preparation method of the high-temperature-resistant, mute and long-life bearing lubricating grease, and belongs to the technical field of lubricating materials. The composite additive comprises a special antioxidant, a special anti-wear reagent at extreme pressure, an anti-rust preservative, a microencapsulation self-repairing agent and a noise inhibitor, and a rare earth organic complex can be further introduced as a high-temperature stabilizer according to needs, so that multi-performance synergy is realized. The comprehensive adaptability of the lubricating grease under the high-temperature-resistant condition is remarkably improved, the service life of a bearing is prolonged, energy consumption and noise are reduced, and the lubricating grease has outstanding technical advancement and application and popularization value.

A lubricating grease filling device relates to the technical field of lubricating grease filling equipment and comprises a grease storage barrel and an oil filling gun, a pump body unit for sucking lubricating grease from the grease storage barrel and pumping the grease is arranged at the top of the grease storage barrel, the oil filling gun is communicated with the pump body unit through an oil conveying pipeline, an oil outlet of the oil filling gun is provided with an oil outlet pipe, and a smearing assembly is arranged at a port of the oil outlet pipe; the smearing assembly comprises a supporting circular plate, a grease storage groove communicating with the oil outlet pipe is formed in the supporting circular plate, a supporting pipe communicating with the grease storage groove is fixedly arranged at the end of the supporting circular plate, the outer wall of the supporting pipe is fixedly sleeved with a fixing cylinder, a first beating plate is arranged in the fixing cylinder, and a first sliding pipe fixedly penetrates through the end of the first beating plate; one end of the first sliding pipe penetrates through the supporting pipe and extends into the grease storage groove, the first sliding pipe is in sliding sealing connection with the supporting pipe, and a plurality of rotating pipes which synchronously rotate are arranged at the end of the supporting circular plate in the circumferential direction. The lubricating grease filling device solves the problem that an existing lubricating grease filling device is poor in smearing area adjustability. And the lubricating grease permeation effect is poor.

This invention discloses a cleaning structure, a range hood, and a cleaning method thereof. The cleaning structure includes a cleaning component and a turbidity sensor. The cleaning component is used to clean the interior of the range hood's main body, and the turbidity sensor is used to detect the turbidity of the wastewater generated inside the main body during cleaning. The cleaning component is configured to shut off when the turbidity sensor detects that the turbidity of the wastewater is lower than or equal to a preset turbidity value. The cleaning component can be used to clean the interior of the range hood's main body. When the turbidity of the wastewater is higher than the preset turbidity value, it indicates that there is still a significant amount of grease inside the main body, and cleaning can continue to ensure a more thorough removal of grease. When the turbidity of the wastewater is lower than or equal to the preset turbidity value, it indicates that there is less grease inside the main body or that it has been cleaned. At this point, the cleaning component can be shut off to reduce water and electricity waste. The turbidity sensor allows for monitoring the degree of cleaning of the interior of the main body, ensuring a more thorough cleaning and preventing resource waste.

The invention relates to the technical field of grease filtering, and discloses a filtering and purifying device for edible oil production, which comprises a supporting seat, a filtering pot is arranged on the supporting seat, a guide column is fixedly connected to the supporting seat, the guide column is located in the middle of the filtering pot, an inclined plane is arranged at the upper end of the guide column, and the inclined plane is located in the middle of the filtering pot. A lower supporting disc sleeves the guide column, a filter screen is arranged above the lower supporting disc, an upper supporting disc is arranged above the filter screen, and the lower supporting disc and the filter screen are in sliding connection with the inner wall of the filter pot. According to the filtering and purifying device for edible oil production, in the oil filtering process, the distance between two filter screens can be automatically increased, meanwhile, through the design of an upper supporting disc, in the process that the distance between the two filter screens is increased, the upper supporting disc can rotate, impurities on the filter screens can be spread out, and the filtering and purifying device is convenient to use. The filter screen is prevented from being blocked by impurities.

The invention discloses an intelligent universal joint capable of being automatically maintained and a maintenance method thereof, and belongs to the technical field of mechanical transmission. The intelligent universal joint capable of being automatically maintained comprises a cross shaft body, wherein the cross shaft body is provided with an oil duct, a grease storage cavity and a switch sensor arranged in the grease storage cavity; the grease storage cavity is formed in the cross shaft body, one end of the grease storage cavity communicates with the oil duct, the other end of the grease storage cavity penetrates through the surface of the cross shaft body to communicate with the outside, and the grease storage cavity is used for storing lubricating grease; the switch sensor comprises a switch execution mechanism and a control chip, and the switch execution mechanism can achieve connection and disconnection between the grease storage cavity and the oil duct; the control chip is used for controlling the switch executing mechanism to act according to preset conditions, and then active lubricating maintenance of the universal joint is achieved. The problems that lubricating grease cannot be supplemented in the operation process of a traditional maintenance-free universal joint, and the maintenance capacity is poor are solved in a targeted mode, and finally the purposes of prolonging the service life of the universal joint and reducing the equipment failure risk and the operation and maintenance cost are achieved.

The present disclosure provides a kind of injection valve, belongs to automatic lubrication system technical field.The injection valve includes valve body, valve core structure and injection structure, the inside of the valve body has communication channel, oil inlet channel, air inlet channel, oil injection channel and jet channel, the first end of the oil inlet channel, the first end of the air inlet channel, the first end of the oil injection channel, the first end of the jet channel are communicated with the communication channel, the second end of oil injection channel is used to spray out grease, the second end of the jet channel is used to spray out compressed air;Valve core structure is movably located in the communication channel, the above injection valve can be introduced into grease, while introducing compressed air into injection valve at the same time to spray out grease, to avoid the waste of compressed air.

The utility model relates to the technical field of grease guns, in particular to a grease gun which comprises a grease gun body, a gear adjusting handle assembly is fixedly installed on one side of the grease gun body and comprises a fixed handle and a movable handle, and one end of the fixed handle is hinged to one end of the movable handle through a concave plate. The fixed handle is fixedly installed on one side of the top end of the oil gun body, one side of the top end of the movable handle is integrally connected with an adjusting plate, a gear adjusting groove is formed in the adjusting plate, and an elastic adjusting button is arranged to penetrate through the gear adjusting groove to enable the movable handle to be hinged to an oil injection rod of the oil gun body. The grease gun can be conveniently used for large-dose grease filling and small-dose grease filling, and the grease filling rod has the advantages that the grease feeding pressure can be adjusted, and the grease feeding dose can be changed.

An estimation system for estimating a service life of a grease lubricated bearing includes a processing unit configured to determine a duration of a churning phase of the grease lubricated bearing and to estimate a service life of the grease lubricated bearing based on the determined duration of the churning phase. Also a method for estimating a service life of a grease lubricated bearing

The invention provides high-temperature-resistant heat-conducting silicone grease. The high-temperature-resistant heat-conducting silicone grease comprises the following components in parts by weight: 100 parts of methyl phenyl silicone oil, 300-1000 parts of modified heat-conducting powder and 0.5-3 parts of a heat-resistant additive, wherein the viscosity of the methyl phenyl silicone oil at 25 DEG C is 50-500 mPa.s, and the phenyl content of the methyl phenyl silicone oil is 25-50%. By adding the combination of the methyl phenyl silicone oil and the heat-resistant additive, molecular chain breakage of an organic silicon-based material in a high-temperature environment can be inhibited, so that the durability of the silicone grease is ensured, the service time in the high-temperature environment is longer, and the high-temperature resistance of conventional heat-conducting silicone grease is improved.

The invention discloses conductive lubricating grease and a preparation method thereof, and belongs to the technical field of lubricating grease materials, the conductive lubricating grease comprises the following components by mass: 50-80 parts of base oil, 5-15 parts of a thickening agent, 3-10 parts of an additive, 5-20 parts of an oil soluble ionic liquid, and 1-10 parts of nanoscale conductive solid particles; the oil-soluble ionic liquid is prepared from trioctylamine, bromohexadecane and sodium di-tert-butyl phosphate. According to the conductive lubricating grease provided by the invention, the oil-soluble ionic liquid and the nanoscale conductive solid particles synergistically conduct electricity, so that the conductive lubricating grease has a tunnel conductive effect and excellent conductivity; besides, due to synergistic conduction of the oil-soluble ionic liquid and the nanoscale conductive solid particles, the addition amount of the conductive solid particles can be reduced, the anti-attrition effect of the conductive lubricating grease is further improved, meanwhile, the nanoscale conductive solid particles have a good anti-attrition effect, the solid size and the oil film thickness are both in nanoscale sizes, and the conductive lubricating grease has a good anti-attrition effect. Therefore, the conductive lubricating grease is excellent in overall anti-wear effect.

The invention discloses a grease conveying line for food processing, and relates to the technical field of conveying lines. Comprising a conveying installation part, a guiding device is installed on the conveying installation part, and the guiding device is used for corner trimming; an alcohol applying part is mounted on the conveying mounting piece; the alcohol applying part is used for adding alcohol to prevent sticking; a volatilization device is mounted on the conveying mounting piece; the volatilization device is used for preventing alcohol residue; a cutter detection part is mounted on the conveying mounting part; a cut-off protection part is mounted on the conveying mounting part; the cutting damage pressure of the cutter on the conveying belt can be reduced by controlling the elastic support when the grease is nearly cut off, the stable support is kept at the lower cutting front section of the grease cutter, and the grease is prevented from sinking and deforming; the problem that according to an existing grease conveying line for food processing, it is inconvenient to control the cutting damage pressure of a cutter on a conveying belt when grease is approximately cut off is solved.

The invention discloses an analysis method for simultaneously determining residues of telolenol, pentnitrophenol, pentachlorophenol and poisonous phenol in grease. The method comprises the following specific steps: (1) dissolving a grease sample with dichloromethane, carrying out vortex uniform mixing and centrifugation with a sodium hydroxide solution, and taking supernatant; (2) adding formic acid, anhydrous magnesium sulfate, sodium chloride and acetonitrile into the supernatant, carrying out vortex centrifugation, taking the supernatant, freezing and filtering; (3) adding anhydrous magnesium sulfate, a 2% triethylamine solution, multi-walled carbon nanotubes and C18 powder into the filtrate for purification, and filtering after centrifugation to obtain a to-be-detected solution; (4) preparing a matrix blank solution from the negative blank grease through the same pretreatment, and preparing a standard solution with gradient concentration of 1-20ng / mL; and (5) performing quantitative analysis by adopting a matrix standard curve external standard method through an LC-MS / MS detection system. The method has the advantages of economy, simplicity, convenience, high accuracy and high sensitivity, is easy to popularize and use, and can meet the high-throughput detection requirement of phenolic pesticide residues in a complex grease matrix.

A high-flow dual-liquid screw valve comprises two stators vertically disposed and two rotors correspondingly disposed inside the stators, wherein an adhesive intake tube having an adhesive inlet is provided on the outer side of the upper end of each stator; a sealing block provided with a mounting through hole is connected to the upper end of each adhesive intake tube extending vertically; the lower end of each connecting rod, the upper end of which is connected to a driving assembly, sequentially passes through the mounting through hole in the corresponding sealing block and the corresponding adhesive intake tube, and is then connected to the corresponding rotor; several sealing rings sleeved on the outer side of each connecting rod are provided inside the corresponding mounting through hole; a spacer ring is provided between any two adjacent sealing rings that are sequentially vertically arranged; and a lubrication cavity configured to be filled with grease is formed between the inner wall of each spacer ring and the outer circumferential surface of the corresponding connecting rod. The present application can realize the real-time lubrication of the connecting rods, and improves the sealing performance, thereby preventing adhesive overflow caused by long-term excessive adhesive feeding pressure, and further ensuring the adhesive dispensing accuracy.