50results about How to "Avoid incomplete separation" patented technology

The invention relates to a diaphragm spring for a normally open type clutch, belonging to the technical field of the automatic clutch of the automobile. The diaphragm spring is of disc-shaped structure and comprises a disc-spring part, a plurality of jointing finger parts and a plurality of stress releasing holes, wherein the plurality of jointing finger parts with the same structure are centrally symmetrical by the center of a circle of the diaphragm spring; and the outer ends of the jointing finger parts are fixedly connected with the disc-spring part which is provided with the plurality of stress releasing holes along the peripheral direction. The diaphragm spring not only reserves the advantages of being capable of reducing resilience force and having zero rigidity in a wearing route of a frictional plate, but also overcomes the problem of overlarge pressure, thus leading the elastic deformation of a thrust plate and a housing to decrease, leading the starting operation of an executive device to become easy and leading the load borne in the process of the executive device to obviously decrease.

The invention discloses a screening device capable of conveniently crushing and screening mineral raw materials. The screening device comprises a box body, a vertical bar and grinding tables. A material hopper is arranged above the box body, a crushing block is arranged below the material hopper, and the crushing block is arranged in the box body. Protruded blocks are fixed on the inner side of abearing. Loop bars are fixedly arranged on the inner sides of third gears and the loop bars are arranged below screening buckets. The screening buckets are provided with grinding ribs and screening holes. The grinding tables are arranged on the inner sides of the screening buckets, penetrate through the loop bars, and are fixedly connected with the box body. A discharging outlet is formed below the box body. According to the screening device capable of conveniently crushing and screening mineral raw materials, crushing processing is conveniently carried out on the hard mineral raw materials, rotating grinding and extruding grinding are carried out simultaneously, so that the crushing method is more abundant, the crushing effect of the mineral raw materials is improved, the need of multiplecrushing and grinding is avoided, and the beneficiation flowsheet is simplified.

The invention discloses an Fmoc-protected amino acid purity and related substance analysis method. The method comprises the following steps of S1, preparing an Fmoc-Osu impurity control solution, andenabling the ratio of Fmoc-Osu to Fmoc-protected amino acid to be (0.1-1.0): 100 to obtain an Fmoc-Osu impurity control solution; S2, preparing a related impurity control solution, enabling the ratioof single related impurity to Fmoc-protected amino acids to be 0.1-1.0: 1 100, obtaining a plurality of reference substance solutions, etc. According to the invention, a mobile phase, an impurity control solution and the gradient elution conditions are comprehensively designed and optimized, the analysis method is applied to the operation process of the system, the baseline is smooth, no interference peak basically exists in a blank test, the impurity separation effect is prominent, and the specificity is good. The test data shows that the detection limit can achieve 0.002%, the sensitivity isextremely high, the detection result can provide the reliable and effective information for the research, the production and the purification of the product, the solid foundation is established for the protected amino acid quality control standard, and the positive effect is provided for the quality control of the final product.

The invention belongs to the field of sludge and sewage treatment in environmental engineering, and particularly relates to a phosphorus recovery device for excess sludge. The device comprises a nitrogen-phosphorus recovering device and a sludge anaerobic reactor which is connected with the nitrogen-phosphorus recovering device, wherein the sludge anaerobic reactor is provided with a sludge standing reactor which is used for releasing phosphorus in the excess sludge by adopting the anaerobic reaction method; and a struvite nitrogen-phosphorus recovering device is used for receiving phosphorus elements in the excess sludge through a magnesium ammonium phosphate crystal (struvite). The recovery device is simple to operate, remarkable in phosphorus releasing effect, stable to run, and relatively low in cost.

The invention provides an electric control hydraulic actuating mechanism of a direct-drive clutch of a motor and a method for controlling the electric control hydraulic actuating mechanism. The electric control hydraulic actuating mechanism comprises a mechanical assembly and an electric control assembly. A clutch release bearing of the mechanical assembly is mounted on a piston rod on the left side of a hydraulic cylinder, a return spring is mounted on a piston rod on the right side of the hydraulic cylinder, two ends of the clutch release bearing closely cling to release fingers of a clutch diaphragm spring and an end surfaces of a hydraulic cylinder piston, and the direct-current motor, gear pumps and a switch valve are sequentially connected with a cavity on the right side of the hydraulic cylinder; a controller of the electric control assembly is in signal connection with the switch valve and the direct-current motor, and motor control programs are burned in the controller. The method includes allowing the controller to transmit control signals to the direct-current motor by the aid of the motor control programs according to current vehicle operating signals; controlling the gear pumps to control displacement of the hydraulic cylinder piston in the hydraulic cylinder; ultimately controlling the clutch. The electric control hydraulic actuating mechanism and the method have the advantages that the electric control hydraulic actuating mechanism is simple in structure and good in reliability, and the clutch can be stably, quickly and accurately controlled.

The invention relates to the technical field of high-voltage line inspection, in particular to a high-voltage line inspection device with a foreign matter cleaning function. The technical problems that an electric power worker climbs to an electric power tower to clean a plastic film, the inspection efficiency is reduced, or an unmanned aerial vehicle is used for carrying a flame gun to conduct combustion treatment on the plastic film, and the combusted plastic film falls onto the ground, so that fire disasters are likely to happen are solved. According to the technical scheme, the high-voltage line inspection device with the foreign matter cleaning function comprises an inspection device, the right portion of the inner upper side of the inspection device is fixedly connected with a control module, the control module is in signal connection with an operator handheld control terminal, and the left portion and the right portion of the upper side face of the inspection device are each provided with a cutting mechanism. By arranging the cutting mechanism, the situation that subsequent operation is affected due to incomplete separation of the plastic film and the high-voltage cable is avoided.

The invention discloses a yellow phosphorus sewage treatment method and a yellow phosphorus sewage treatment device, belonging to the technical field of a chemical engineering technology and chemical equipment. The yellow phosphorus sewage treatment method comprises the following steps: adjusting the temperature of yellow phosphorus sewage to be 60-80 DEG C; separating dust in the yellow phosphorus sewage from yellow phosphorus and water to obtain phosphorus dreg and liquid containing the liquid yellow phosphorus and the water; and standing and layering the liquid yellow phosphorus and the water to obtain dreg-removed water and yellow phosphorus. According to the yellow phosphorus sewage treatment method, the time for treating the yellow phosphorus sewage is short and the efficiency is high; the content of the phosphorus in the treated phosphorus dreg is low and the waste of phosphorus resources is reduced; the pollution to the environment by the yellow phosphorus sewage is alleviated.

The invention relates to the technical field of residue conveying equipment for building construction, in particular to a building solid residue conveying device with a separation structure for building construction. The building solid residue conveying device comprises a conveying part, the conveying part comprises a support frame, the left side and the right side of the support frame are symmetrically and rotatably connected with conveying rollers, and the outer sides of the two sets of conveying rollers are sleeved with a conveying belt; and the two sets of conveying rollers are in transmission connection through a conveying belt, and the outer side of one set of conveying rollers is fixedly connected with a first servo motor. According to the building solid residue conveying device, dust particles in residues and waste are separated and flushed out through water mist flushing, the residues and waste are conveniently recycled, the middle positions of the conveying rollers are arranged to be in a concave shape, the middle position of the conveying belt is made to be concave downwards, water flow is conveniently collected and guided, the water flow is effectively prevented from overflowing at will, and in cooperation with rotary stirring of a wheel cylinder, it is guaranteed that the device comprehensively removes dust particles.

The invention relates to a shell breaking separating integrated machine for camellia oleifera seeds. The machine comprises a frame, a discharging device, a shell breaking device and a shell breaking separating device, the shell breaking separating device comprises a shell breaking separating bottom plate arranged on the frame, the shell breaking separating bottom plate is provided with a shell breaking separating side plate and is in inserting sleeve matching with a separating inserting slot by a separating inserting block, the middle of the shell breaking separating bottom plate is provided with a shell breaking separating partition plate, the shell breaking separating side plate on the left side is provided with a separating second screen mesh and a separating first screen mesh from topto bottom in sequence, the separating second screen mesh is in a break angle shape, meshes are larger than seed kernels, the separating first screen mesh tilts backwards and downwards, meshes are smaller than seed kernels, and separation fans are embedded in the shell breaking separating side plate on the right side with horizontal wind direction from right to left; the machine adopts the classification fans to cooperate with two layers of the screen meshes, broken shells lager and smaller than the seed kernels are screened and separated through the screen meshes, the seed kernels and the broken shells with the same size as the seed kernels are separated by the fans, and complete separation of the seed kernels and the broken shells is achieved.

The invention relates to the technical field of blood separation, and specifically discloses a centrifugal separation device for serum extraction, which includes a fixed seat, a fixed shell, a connecting pipe and a rotating seat. The upper surface of the fixed seat is fixed with a hollow fixed shell, and the inside of the fixed shell is A frustum-shaped rotating seat is provided for rotation, the bottom of the rotating seat is coaxially fixedly connected with a driven wheel, the side of the driven wheel is fixedly installed with a motor inside the fixed seat, and the output shaft of the motor is coaxially fixedly connected with a driving wheel, and the driving wheel and the The driven wheel is connected by a belt. The inside of the rotating seat is evenly provided with a blood collection tube placement groove and a serum tube placement groove. The serum tube placement groove is outside the blood collection tube placement groove. Perforations corresponding to the serum tube placement groove and the blood collection tube placement groove are provided. The invention has the advantages of simple structure, convenient operation, high separation efficiency, good quality and convenient implementation and popularization.

The invention relates to a cell separation system and method and relates to the technical field of cell separation. The cell separation system comprises a base, a separation cylinder component, a screening component, a power component, a reciprocating drive mechanism, drive wheel components, a stirring component and a blocking-preventing component and is characterized in that the separation cylinder component is fixedly connected to the base, the screening component is fixedly connected between the base and the separation cylinder component, the power component is fixedly connected to the upper end of the separation cylinder component, the reciprocating drive mechanism is fixedly connected to the upper end inside the separation cylinder component, the power component is connected to the reciprocating drive mechanism in a slide fit manner, and the two drive wheel components are symmetrically fixedly connected to the separation cylinder component. The cell separation system has the advantages that cells can be sufficiently separated from mixed liquid, the cells are filtered and separated in a gradient manner through filter holes with gradually reduced hole diameters, and a good retention rate can be kept for cells of different sizes; screen blocking can be effectively avoided.

The invention relates to a recovery technology of tellurium, and particularly discloses a recovery technology of tellurium from a complex solution through a carrier method. By means of the technology,tellurium is leached by controlled potentials under an acidic condition, separation of tellurium and precious metals is achieved, and the precious metals can be made to be enriched; according to theatomic radius coprecipitation principle, by using the phenomenon of carrier hydrolysis coprecipitation, separation of tellurium and other metals is achieved; through acidic atmospheric pressure leaching and reduction of sulfur dioxide, separation of tellurium and a carrier is achieved; and other metals are separated through a coagulation technology, so that the other metals are recycled synthetically, and a leaching solution can be regenerated. By means of the technology, tellurium is enriched from the complex leaching solution through the carrier method, the carrier is high in specificity andwide in applicability, and incomplete separation caused by a disproportionation reaction of copper when tellurium and copper are subjected to reduction commonly is avoided specially; the carrier capacity is large, and the enrichment ratio tellurium can be up to 95%; and the whole technology further has the characteristics of being simple in equipment, safe, environment-friendly, low in productioncost and high in yield.

The invention discloses an oil-water separation and purification device for catering and a purification method of the oil-water separation and purification device, and belongs to the technical field of environmental protection equipment. The oil-water separation and purification device comprises a box body and further comprises a filter plate arranged in the box body, a motor, a spiral propeller , waterproof telescopic rods, a movable plate and an annular air bag ; the motor is mounted on one side, far away from the slag discharging opening, of the box body through a bracket; the spiral propeller is rotationally connected to the filter plate, and the end, far away from the slag discharging opening of the box body, of the spiral propeller is fixedly connected with the output end of a motor; the waterproof telescopic rods are mounted on the two sides of the lower end in the box body; the movable plate is connected into the box body in a sealed and sliding mode, the lower end of the movable plate is fixedly connected with the telescopic end of the waterproof telescopic rod, and an annular penetrating opening is formed in the movable plate; and the annular air bag is fixedly connected to the annular penetrating opening in a sealed mode. According to the oil-water separation and purification device , grease and residues in restaurant wastewater are removed, the oil-water separation effect is good, floating oil is convenient to remove, and purified water can be used for watering flowers, washing vehicles and the like.

The invention relates to the technical field of separating devices and discloses a cyclone desander which comprises a device base and a hydrocyclone, wherein a support frame is fixedly mounted on thetop of the device base; a sand grain spiral discharging device is fixedly mounted on the inner side face of the support frame; a discharging cylinder is fixedly mounted on the top of the support frame; an upper water outlet fixedly communicates with the top of the hydrocyclone; the top of the upper water outlet fixedly communicates with the bottom of the discharging cylinder; and a feeding cylinder is fixedly mounted on the back of the support frame. According to the cyclone desander, a partial pressure seat communicating with a pump body as well as a medium communicating cavity and an air communicating cavity formed in the partial pressure seat are arranged, so that the air communicating cavity communicates with the hydrocyclone through a negative pressure communicating hole, the bottom of the hydrocyclone further forms rotational flow under the action of negative pressure, and the centrifugal force of the medium in the hydrocyclone is not reduced while reducing the impact force to the hydrocyclone inner wall from the pump body pressure to ensure the separating effect of the hydrocyclone.

The invention relates to a garlic bulblet peeling device. The garlic bulblet peeling device comprises a bracket, a housing, an outer rubber cylinder body and an inner rubber cylinder body, wherein thehousing is mounted on the bracket; a roller is rotatably arranged in the housing; the outer rubber cylinder body adopting a hollow structure is embedded in the inner wall of the roller; the inner rubber cylinder body adopting a solid structure is rotatably arranged in the outer rubber cylinder body; the rotating direction of the inner rubber cylinder body is opposite to that of the roller; a gapis reserved between the outer rubber cylinder body and the inner rubber cylinder body; a peeling channel for kneading garlic bulblets to divide the garlic bulblets into peeled garlic cloves and garlicskins is formed by the gap; and the peeling channel is continuously bended from top to bottom. The garlic bulblet peeling device disclosed by the invention has the beneficial effects that the garlicbulblets can be thoroughly divided into the peeled garlic cloves and the garlic skins, so that the phenomenon that the garlic bulblets are not thoroughly divided is avoided.

The invention relates to a special adjustable metal separating device for PET (polyethylene terephthalate) bottle pieces. The special adjustable metal separating device comprises a feeding port, magnets, a transparent connecting belt, an impurity channel, PET bottle piece channels, a PET bottle piece outlet, an impurity outlet and an adjustable guiding rail. The special adjustable metal separating device is characterized in that since the moving direction of a charged object can be changed due to the action of the Lorentz force when the charged object moves in a magnetic field, charged PET bottle pieces and uncharged metal materials can be separated, so that the purpose of separating metal impurities is achieved. The special adjustable metal separating device has the advantages that due to full application of the action of the Lorentz force, the charged PET bottle pieces to be separated fall into the PET bottle piece channels in the non-vertical direction under the action of the magnetic field, so that the complete removal of the metal impurities is realized, the problem of incomplete separation of the metal materials due to magnets is avoided, and the detectable rate of the metal impurities in the materials is furthest increased; and the position of the feeding port can be adjusted by the adjustable guiding rail, so that the purpose of adjusting the separation effect is achieved.

The invention relates to sand and stone separating equipment. The sand and stone separating equipment comprises a rack, a sand and stone separating tank is arranged on the rack, the sand and stone separating tank is divided into a first separating chamber and a second separating chamber by a vertically-arranged partition plate, an opening is formed in the partition plate, a feed port is formed in the upper end of the first separating chamber, a conveying belt is arranged outside the sand and stone separating tank, one end of the conveying belt is arranged above the feed port, a cross beam which is arranged in an inclined mode is fixed into the sand and stone separating tank, the cross beam penetrates through the opening, a screen plate with filtering holes formed in the surface is placed on the cross beam, the screen plate penetrates through the opening, filtering gaps are formed between one end of the bottom end of the horizontal position of the screen plate and the lateral wall of the second separating chamber, a vibrator is arranged in the first separating chamber, a vibration rod of the vibrator is fixedly connected with the side edge of the screen plate, the axis direction of the vibration rod is the same as the inclination direction of the screen plate, a first discharge port is formed in the lower end of the first separating chamber and a second discharge port is formed in the lower end of the second separating chamber. The sand and stone separating equipment is high in sand and stone separating speed, high in efficiency and suitable for separation of sand and stone which are large in quantity.

The invention discloses an automatic waveform piece sorting equipment which comprises a mechanical part and an electrical part connected with the mechanical part, wherein the mechanical part comprises a material guide plate, a mistake-proof material feeding device, a limiting device and a waveform piece loading trough; the material guide plate is connected with the mistake-proof material feeding device; the mistake-proof material feeding device is connected with the limiting device; the limiting device and the waveform piece loading trough are correspondingly arranged on the material guide plate; the material guide plate gets in and out for material conveying through a guide rail on the waveform piece loading trough; the electrical part comprises a cylinder connected with the material guide plate, and a control air pressure valve, a conversion switch and a power control switch which are respectively connected with the cylinder; the cylinder is connected with the control air pressure valve through an access switch; and the access switch controls the cylinder to return, and then a limiting switch controls the cylinder to push out a waveform piece. The automatic waveform piece sorting equipment can realize automatic sorting; 8 waveform pieces for mounting can be sorted at each automatic control, so that the mistake of incomplete separation is avoided, the working efficiency is improved, and the labor intensity of a worker is relieved; and furthermore, the automatic waveform piece sorting equipment is simple in structure and low in cost.

The invention discloses a continuous working device for oil-water separation. The continuous working device comprises a rotating disc and a mixing tank, wherein the bottom of the mixing tank is in sealed sliding connection with a tank bottom, a motor is concentrically welded and fixed at the lower end of the rotating disc, a plurality of separation pools are annularly arranged in the rotating disc, the middle of the upper end of each separation pool is in sealed welding with a feed pipe in a penetration manner, and each feed pipe is welded and fixed to the tank bottom. The continuous working device has the following advantages: the rotating disc drives each separation pool to rotate fast to rapidly layer petroleum and water in the separation pool, the original time for standing and then layering is shortened greatly, two elbows on each float block after layering are located in two liquids respectively, water and petroleum can be pumped into two annular pools respectively by a water pump and an oil pump in a power box, and rapid oil-water separation is realized.

The invention discloses a method for removing silver from a gold-containing material. According to the method, the gold-containing material is subjected to steps of high-temperature acid pickling, high-temperature oxidation chlorination and low-temperature filtration, high-temperature controlled electroreduction, high-temperature oxidation impurity removal and the like, and finally gold powder with the grade of more than or equal to 99.99% is prepared. The method is easy and convenient in operation, low in cost, simple in technological process and low in requirement for equipment, the recovery rate of gold in the whole technological process is high, the problems that gold powder and silver impurities produced through a traditional chlorination controlled electroreduction technology are not thoroughly separated, chlorination is conducted many times, system occupation is high are solved, and the problems that production cost is high and operation intensity is large are solved; and the gold powder with the purity higher than 99.99% can be prepared through the method, and the method is suitable for wide application and popularization.

The invention discloses an automatic separating and discharging device for double-fork forgings, and belongs to the field of punching, separating and conveying. The device comprises a recess separating and conveying slide way, the recess separating and conveying slide way is inclined downwards, a stop lever is arranged below the tail end of the recess separating and conveying slide way, and when the double-fork forgings slide downwards, double forgings at the bottom are in contact with the stop lever to turn over the double-fork forgings; a flash separating and conveying line is arranged at the bottom of the tail end of the recess separating and conveying slide way, the recess separating and conveying line comprises two parallel flash conveying chains, a pressing device is arranged above the two flash conveying chains, the double forks of the double-fork forgings on the flash conveying chains can be pressed down by the pressing device, and a double-fork conveying line is arranged at the bottom of the middle of the two parallel flash conveying chains; and the device further comprises a recess conveying chain, the recess conveying chain is arranged on one side of the flash separating and conveying line, a wad collecting inclined sliding way is arranged at the bottom of the recess separating and conveying sliding way, the recess conveying chain is arranged at the tail end of the wad collecting inclined sliding way, and separation and collection of flashes, recesses and the double forks can be achieved through the structure.

The invention provides a separation method of oily sludge and application of sludge impurities to preparation of active carbon. The separation method comprises the following steps of (1) pretreating the oily sludge: putting the oily sludge under microwave conditions for microwave treatment; performing demulsification treatment and dewatering on the oily sludge subjected to microwave treatment to obtain pretreated oily sludge; (2) separating the oily sludge: in a nitrogen environment, putting the pretreated oily sludge under heating conditions; performing dry distillation; respectively collecting gas phase and impurities after dry distillation. The application concretely comprises the steps of under the existence condition of activating agents, under the inert gas protection conditions, putting the impurities after the dry distillation under the temperature condition of 280 to 350 DEG C; performing pre-activation for 20 to 30 min; then, performing activation for 1 to 2 h under the temperature condition of 700 to 850 DEG C to obtain the high specific area active carbon. The separation method achieves the effects that the separation effect is good; the separated impurities can be effectively utilized.

The invention discloses an oil-water separation device for extracting plant essential oil. The oil-water separation device comprises a separation device body, the outer side of the separation device body is connected with a rack, one side, far away from the rack, of the separation device body is connected with a steam condensation tank, a floating extraction mechanism is arranged in the separation device body, and the floating extraction mechanism comprises a supporting floating plate; a balance weight ring is connected to the outer side of the supporting floating plate, a suction nozzle fixing plate is arranged in the supporting floating plate, and a plurality of evenly-distributed extraction suction nozzles are connected to the side, away from the supporting floating plate, of the suction nozzle fixing plate. The corresponding floating type extraction mechanism is additionally arranged on the oil-water separation device, so that the effect of extracting and separating the plant essential oil in the oil-water separation device is remarkably improved, the situation that the plant essential oil in the oil-water separation device is not thoroughly separated is avoided, waste of the plant essential oil is reduced, the extraction and separation efficiency of the plant essential oil in the oil-water separation device is greatly improved, and the production cost of the plant essential oil is reduced.

The invention discloses a perfume continuous rectification production control system, and the system specifically comprises a distillation device which comprises a raw material conveying module, a water source preheating module, a distillation module, a water level detection module and a cooling molding module, and then the water source preheating module is started. Then a water source is pumped into the top end in the first distillation tower through a water inlet, then the water source regularly flows to a heating pipe through a round hole formed in a round fixing block in a primary heating mechanism, the temperature of the water source in the heating pipe is increased through heating of a heater, and then the water source flows out from the bottom end and is mixed with perfume at the bottom end; according to the invention, the water source does not need to be heated for a long time, so that the situation that the processing efficiency is reduced due to overlong heating time is effectively prevented, and then boiling water and water vapor simultaneously permeate into plant raw material tissues, so that essential oil in the tissues is gradually and continuously diffused to the surfaces of plants.

The invention discloses a yellow phosphorus sewage treatment method and a yellow phosphorus sewage treatment device, belonging to the technical field of a chemical engineering technology and chemical equipment. The yellow phosphorus sewage treatment method comprises the following steps: adjusting the temperature of yellow phosphorus sewage to be 60-80 DEG C; separating dust in the yellow phosphorus sewage from yellow phosphorus and water to obtain phosphorus dreg and liquid containing the liquid yellow phosphorus and the water; and standing and layering the liquid yellow phosphorus and the water to obtain dreg-removed water and yellow phosphorus. According to the yellow phosphorus sewage treatment method, the time for treating the yellow phosphorus sewage is short and the efficiency is high; the content of the phosphorus in the treated phosphorus dreg is low and the waste of phosphorus resources is reduced; the pollution to the environment by the yellow phosphorus sewage is alleviated.

The invention relates to a special adjustable metal separating device for PET (polyethylene terephthalate) bottle pieces. The special adjustable metal separating device comprises a feeding port, magnets, a transparent connecting belt, an impurity channel, PET bottle piece channels, a PET bottle piece outlet, an impurity outlet and an adjustable guiding rail. The special adjustable metal separating device is characterized in that since the moving direction of a charged object can be changed due to the action of the Lorentz force when the charged object moves in a magnetic field, charged PET bottle pieces and uncharged metal materials can be separated, so that the purpose of separating metal impurities is achieved. The special adjustable metal separating device has the advantages that due to full application of the action of the Lorentz force, the charged PET bottle pieces to be separated fall into the PET bottle piece channels in the non-vertical direction under the action of the magnetic field, so that the complete removal of the metal impurities is realized, the problem of incomplete separation of the metal materials due to magnets is avoided, and the detectable rate of the metal impurities in the materials is furthest increased; and the position of the feeding port can be adjusted by the adjustable guiding rail, so that the purpose of adjusting the separation effect is achieved.

The invention discloses a glue spreading device and method of isolation paper of a damping fin and belongs to the field of machining auxiliary equipment of an automobile damping fin. The glue spreading device comprises an operation platform, an isolation paper roll holder and an aqueous glue barrel, and further comprises a dilution roller and an aqueous glue dilution belt, wherein the operation platform is of a slight declination type structure; the isolation paper roll holder is fixed at the bottom of the operation platform; the aqueous glue barrel and the dilution roller are fixed on the upper surface of the operation platform according to a process sequence; one end of the aqueous glue dilution belt is fixed at the bottom of the aqueous glue barrel, and a discharging hole is aligned to the aqueous glue dilution belt; the other end of the aqueous glue dilution belt is fixed on the surface of the operation platform at the bottom of the dilution roller; and after the isolation paper is unfolded by the isolation paper roll holder, the end of the isolation paper penetrates out from the bottom of the dilution roller, and the end of the aqueous glue dilution belt is in seamless contact with the isolation paper. According to the glue spreading device and method of the isolation paper of the damping fin, disclosed by the invention, the uniformity of aqueous glue dilution is improved; after dried aqueous glue is in contact with the damping fin, the jointing tightness can be guaranteed, and the problems that the damping fin is stuck due to too early separation and the damping fin is not easy to separate due to non-uniform stress are prevented.

The invention discloses a heatable asphalt mixture separator. The separator comprises a main body, wherein the main body is provided with a temperature regulating knob and a speed regulating knob, a temperature regulating switch and a speed regulating switch are arranged at lower ends of the temperature regulating knob and the speed regulating knob, a first protection ring and a second protection ring are arranged at upper parts of the temperature regulating switch and the speed regulating switch, the main body is made of a high-strength and rigid thermal-insulation material, and two displayers are arranged at upper parts of the temperature regulating knob and the speed regulating knob. According to the heatable asphalt mixture separator, the first protection ring and the second protection ring are arranged at the upper parts of the temperature regulating switch and the speed regulating switch, so that the switches can be protected and prevented from being touched due to human errors. The main body is made of the high-strength and rigid thermal-insulation material, so that effective thermal insulation is realized, and scalds can be avoided. The two displayers are arranged at the upper parts of the temperature regulating knob and the speed regulating knob, so that the rotating speed and the temperature can be effectively regulated, and non-thorough separation is avoided.

The invention discloses a method for analyzing the purity of Fmoc-protected amino acids and related substances, comprising the following steps: S1, preparing a Fmoc-Osu impurity control solution, so that the ratio of Fmoc-Osu to Fmoc-protected amino acids is 0.1-1.0:100, and obtaining Fmoc-Osu impurity contrast solution; S2, prepare relevant impurity contrast solution, make the ratio of single relevant impurity and Fmoc-protected amino acid be 0.1-1.0:100, obtain steps such as multiple reference substance solutions, the present invention passes mobile phase, impurity The control solution and gradient elution conditions were comprehensively designed and optimized. During the operation of the system, the analysis method of the present invention has a stable baseline, basically no interference peaks in the blank test, outstanding impurity separation effect, and good specificity. The test data proves that the detection The limit can reach 0.002%, and the sensitivity is extremely high. The test results can provide reliable and effective information for product development, production and purification, lay a solid foundation for the establishment of quality control standards for the protection of amino acids, and play a positive role in the quality control of the final product.