30results about How to "Improve clearance" patented technology

The invention discloses a casein-sourced multifunctional peptide, and belongs to the field of food science and nutriology. The casein is subjected to enzymolysis through pepsin, a method combining activity verification and mass spectrum identification is adopted, the novel multifunctional peptide YPE with a clear sequence is screened and verified, the highest ABTS clearance rate of the casein peptide YPE can reach 77.76%, the highest hydroxyl radical clearance rate of the casein peptide YPE can reach 40.18%, and the casein peptide YPE can be used for preparing the novel multifunctional peptide YPE. The inhibition rate of alpha-glucosidase reaches 30.47%, the inhibition rate of escherichia coli is 10.18%, and the limitation of an existing single-function peptide in application is overcome.

This utility model discloses an environmentally friendly, high-cleanliness steel drum edge-rolling clamping device, including a base, a square box fixedly connected to the upper surface of the base, a cleaning component disposed on the upper surface of the base, two connecting columns disposed in front of the square box, and two arc-shaped clamping claws fixedly connected to the outer surface of each connecting column, and a power component for driving the connecting columns to move inside the square box. This device uses an electric push rod of the cleaning component to move the square base and the rinsing nozzle up and down, allowing adjustment of the rinsing position according to the height of the steel drum. Furthermore, the pump pressurizes and delivers the cleaning liquid from the storage tank to the nozzle, greatly increasing the rinsing pressure and improving the oil removal rate. The power component drives the T-shaped slider and connecting columns to move via an electric telescopic rod, causing the arc-shaped clamping claws to automatically adjust the clamping position according to different sized steel drums, thus adapting to different specifications of steel drums and achieving a secure fixation.

This invention discloses a dual-filtration sequential high-clearance hemodialysis filtration device and method, belonging to the field of medical device technology. The invention comprises five units: dual-filtration sequential filtration, parameter acquisition, intelligent control, fluid delivery, and flushing / reinfusion. The filtration unit consists of a primary coarse filter, a secondary fine filter, and a dialyzer connected in series, all using micro-wave-shaped hollow fiber high-flux polysulfone membranes to achieve graded convection filtration of medium and large molecules and diffusion clearance of small molecules based on gradient pore sizes. The parameter acquisition unit acquires real-time data from the entire process using multiple sensors. The fluid delivery unit provides power and fluid delivery using a precision adjustable pump. The intelligent control unit incorporates three core algorithms to drive the coordinated operation of each unit, achieving intelligent preoperative parameter matching, dynamic intraoperative adjustment of transmembrane pressure and other process parameters, and postoperative sequential alternating flushing of the two catheters. This invention achieves graded blood purification and safe reinfusion of residual blood, improving the efficiency and intelligence level of dialysis filtration.

This invention belongs to the field of biological sample contaminant screening, specifically involving a pretreatment method for liquid chromatography-tandem mass spectrometry analysis of chemical contaminants in serum. The pretreatment method includes the following steps: (1) Preparation of Ti / Zr MOF: Zirconium source, 1,3,5-tris(4-carboxyphenyl)benzene, titanium source, and organic acid are placed in a container, dissolved in an aprotic polar solvent, heated to react, cooled, and the white powder product is collected by centrifugation and washing, which is Ti / Zr MOF, and dried for later use; (2) Extraction: The serum sample is mixed with acetonitrile, ultrasonically vortexed, centrifuged, and a portion of the supernatant is taken as the purification solution; (3) Purification: The purification solution in step (2) is mixed with the Ti / Zr MOF in step (1), ultrasonically vortexed, centrifuged, and the supernatant is taken to obtain the purified sample.

The utility model discloses a carton processing and conveying cleaning device, including device main part still includes setting conveying assembly on device main part, setting dust extraction assembly on device main part, install filter assembly on dust extraction assembly, first fixed bolster fixed mounting on device main part, first threaded rod on first fixed bolster is screwed, first knob fixed connection first threaded rod one end, first sliding seat sliding connection on device main part, first motor fixed mounting on first sliding seat. Through first motor work drive rotation axis and rotary support overturn, by installation component and cleaning roller body overturn alternation and carry out cleaning work, this alternation mechanism completely changed traditional single cleaning roller need to stop and dismantle replacement mode, will clean the roller replacement and cause production line interruption time to shorten greatly, avoid the production stagnation caused by long time stop, effectively guarantee the continuous operation of production line, thereby significantly improve overall production efficiency.

The present application relates to a kind of anticoagulation, anti-oxidative stress hemodialysis apparatus and preparation method, belong to biomedical polymer and hemodialysis field.Oxygen-containing functional group carbon dots, anticoagulation monomer, initiator and crosslinking agent are added into water, to obtain modified liquid of anticoagulation and anti-oxidation;Protective gas is introduced into hemodialysis apparatus to remove oxygen, then modified liquid is introduced into dialysis apparatus, then sealing heating is carried out to initiate anticoagulation monomer in situ polymerization on the surface of dialysis membrane, and the oxygen-containing functional group carbon dots form gel microspheres under the wrapping of polymer, i.e., anticoagulation, anti-oxidative stress hemodialysis apparatus is obtained.The APTT of modified dialysis apparatus can reach 600s, and the removal rate of DPPH and ABTS free radicals is 71.25% and 97.47% respectively.The present application only needs to carry out one-step surface modification to dialysis apparatus finished product, which can give hemodialysis apparatus the dual functions of anticoagulation and anti-oxidative stress, is simple and convenient, and has good application prospect.

This utility model discloses a heat pump air conditioner with a cleanable photovoltaic module, comprising: a heat pump air conditioning unit, an externally mounted multi-mode self-cleaning mechanism and an installation mechanism, the heat pump air conditioning unit and the photovoltaic module being electrically connected via a controller and a battery, the multi-mode self-cleaning mechanism including an installation plate mounted on the bottom of the heat pump air conditioning unit, a telescopic support column fixedly connected to the upper end of the installation plate, a photovoltaic frame fixedly connected to the upper end of the telescopic support column, a photovoltaic panel body mounted on the photovoltaic frame, and a guide plate fixedly connected to the upper surface of the photovoltaic frame. This heat pump air conditioner with a cleanable photovoltaic module can utilize a three-in-one multi-mode cleaning execution unit to perform adaptive cleaning of the photovoltaic panel during self-cleaning, improving dust removal rate and bird droppings removal time, resulting in a cleaner photovoltaic panel surface and enhancing the practicality and cleaning effect of the device.

The invention provides an LED display screen electrostatic elution dust removal device and method, and belongs to the field of LED display screen dust removal. The device comprises an electrostatic generator, an electrostatic dust collection rod integrating a blowing and sucking module and a washing and mopping module, a dust collection bin and an anti-static cleaning liquid supply module. The core is that efficient dust removal and self-cleaning are achieved through a precise and controllable static positive and negative switching mechanism in cooperation with blowing and suction cooperation, roller washing and mopping and anti-static cleaning liquid supply functions, a conductive dust removal head generates static electricity to adsorb dust on the surface of a screen body through positive voltage, the blowing function assists in breaking stubborn dust viscosity, roller washing and mopping strengthens physical stripping, and the dust removal effect is good. The dust collection function captures fine dust; the reverse voltage generates a reverse electric field to separate the dust removal head from dust on the surface of the roller, and centralized collection of dust is accelerated by cooperating with a blowing and sucking function; the problems that an existing dust removal mode is poor in fine / stubborn dust removal effect and prone to secondary pollution, and the self-cleaning capacity of tools is insufficient are solved, and the LED display screen dust removal device is suitable for daily cleaning and maintenance of various LED display screens.

This invention discloses a method for preparing Hu sheep bone polypeptides, belonging to the field of polypeptide preparation technology. Specifically, it involves pretreating fresh Hu sheep bones to obtain Hu sheep bone powder, and then enzymatically hydrolyzing the Hu sheep bone powder to obtain Hu sheep bone polypeptides. The enzymatic hydrolysis uses a complex protease, including trypsin and papain, with a mass ratio of trypsin to papain of 1:0.1-10. The enzymatic hydrolysis is purified using silica gel column separation. The silica gel column packing material includes silica gel or modified silica gel. In the preparation of modified silica gel, the silica gel is first activated with acid, then functionalized with 3-aminopropyltriethoxysilane, and then reacted with a modified monomer, cyclohexylvinyl ether, to obtain modified silica gel. This invention also discloses a method for preparing Hu sheep bone polypeptides with high hydroxyl radical scavenging rate, high calcium chelation rate, and good cell proliferation effect after calcium chelation.

This invention relates to the field of microbial technology, specifically to Kluyveromyces martensii YF51-1 and its application in semi-dry fermented whey wine. This strain can efficiently ferment lactose and galactose, while also exhibiting a high ABTS scavenging rate. The fermentation broth contains a high amount of amino acid nitrogen. Under conditions where sucrose is present, the amino acid nitrogen content in the sweetened whey fermentation broth is significantly higher than that in the unsweetened whey fermentation broth. Through process optimization, the optimal fermentation conditions for strain YF51-1 were obtained, ultimately producing a semi-dry whey fermented wine with a rich aroma and a sweet and sour taste, achieving an amino acid nitrogen content of 0.337 g / L, significantly higher than existing technologies. Through optimization of the freeze-drying process, a freeze-drying protectant suitable for strain YF51-1 was derived. This protectant consists of mannose, corn steep liquor powder, lysine, and calcium chloride. After optimization, this protectant demonstrates good protective effect on the strain, with a survival rate of up to 97.22%.

This utility model relates to the field of cable production winding technology, and discloses a cable production winding device, including a cable, a winding device for winding the cable, a guide device for guiding the cable's direction, and a cleaning device located in front of the guide device for pre-treating and cleaning the cable's outer wall. The cleaning device includes a fixing component and a cleaning component. The cleaning component includes a cleaning tape for direct contact with the cleaned cable, a cleaning shaft for storing the cleaning tape to be used, a take-up shaft for retrieving the used cleaning tape, a guide wheel for changing the direction of the cleaning tape, and a cleaning motor for providing power to the take-up shaft. This application fundamentally avoids damage to the cable's outer wall from impurities during the winding process, effectively ensuring the integrity of the cable's insulation and protective performance, significantly extending the cable's service life, reducing the risk of safety failures caused by damage to the cable's outer wall, and providing a stable and reliable cable product for subsequent use scenarios such as power transmission.

The utility model relates to vehicle technical field provides a kind of front end frame and vehicle with it.The front end frame includes the main body, first frame, second frame, third frame and fourth frame that integrally injection moulded piece is respectively;The first frame and the second frame are located in the width direction side of the main body, the first frame and the second frame are spaced apart in the height direction of the main body, and the first frame and the second frame are connected with the main body respectively;The third frame and the fourth frame are located in the width direction side of the main body, the third frame and the fourth frame are spaced apart in the height direction of the main body, and the third frame and the fourth frame are connected with the main body respectively.According to the front end frame provided in the utility model embodiment, the improvement of the gap difference of the front part area of vehicle is realized, and the use experience of consumer is improved.

The invention belongs to the technical field of cosmetics, and particularly discloses an anti-oxidation fucoidan composition for delaying skin stem cell aging and a preparation method and application of the anti-oxidation fucoidan composition. The antioxidant algin composition is prepared from the following components in parts by weight: 5 to 10 parts of algin extract, 5 to 10 parts of herba houttuyniae extract, 2 to 4 parts of black pine needle extract, 4 to 6 parts of sorbitan olivate, 4 to 6 parts of squalane, 5 to 10 parts of glycerol, 0.1 to 0.5 part of sodium hyaluronate, 0.1 to 0.5 part of xanthan gum, 0.1 to 1 part of ethylhexylglycerin and 0.1 to 1 part of p-hydroxyacetophenone. The invention discloses an antioxidant fucoxanthin composition for delaying skin stem cell aging and a preparation method and application thereof. The antioxidant fucoxanthin composition is high in antioxidant capacity and capable of effectively promoting collagen synthesis and delaying skin stem cell aging.

The utility model provides a control circuit and an electric toothbrush, which are applied to the electric toothbrush, and the control circuit comprises a power supply circuit, an information acquisition circuit, a motor driving circuit, a main control circuit, a pressure sensing lamp circuit and a Bluetooth communication circuit. The operation state of the electric toothbrush is monitored in real time, the operation state comprises the pressure applied during tooth brushing, when it is detected that the pressure exceeds the safety threshold value, a user is prompted to adjust the force through tactile feedback and optical warning, and gingival injury and tooth hard tissue abrasion caused by excessive pressure are avoided. Meanwhile, a motor driving circuit is adopted to drive a motor to form sound wave vibration, so that water flow and toothpaste foam form micro jet flow which permeates into blind areas such as tooth slits and gingival sulcus which are difficult to cover by a traditional vibration type scheme, the dental plaque removal rate is increased, and the risk of caries and periodontal diseases is reduced. In addition, the operation state information of the electric toothbrush is synchronized to the mobile terminal through the Bluetooth communication circuit, and the user is helped to establish a scientific tooth brushing habit.

The invention relates to the technical field of automobile engine tests, in particular to an engine hot test bench cooling liquid purging method and device and a vehicle. The method comprises the steps that after a hot test is finished, the gas-liquid mixing ratio of fluid in an engine is detected; the residual liquid amount of the cooling liquid is determined according to the fluid gas-liquid mixing ratio; and according to the residual liquid amount, generating a vibration excitation action of the electromagnetic vibration exciter to execute the vibration excitation action so as to purge the cooling liquid of the engine hot test bench, and ending purging until the residual liquid amount is smaller than a preset threshold value. Therefore, the problems that in the related technology, due to attachment of liquid to a water channel and a complex water channel structure, residual liquid is difficult to completely remove by driving cooling liquid or gravity drainage depending on compressed air, due to the fact that complex pipeline butt joint is needed in manual operation, consumed time is long, purging efficiency is low, and a large amount of compressed air is consumed in fixed purging, and the cost is low are solved. And resource waste caused by incapability of timely closing is avoided.

The application refers to Fe-Ni / polysulfone inorganic-organic hollow fiber hybrid membrane and a preparation method thereof, including a preparation process: step 1: dissolving polysulfone in an organic solvent and adding an additive, stirring to form a uniform solution; then adding 0.5% to 30% of Fe and Ni metal powder by mass ratio under stirring to obtain a spinning solution; step 2: mixing pure water and a polar solvent according to a certain ratio to form a uniform solution, obtaining an inner coagulation bath; step 3: transferring the spinning solution to a liquid supply tank after vacuum degassing, quantitatively and constantly conveying to a spinneret, at the same time, quantitatively and constantly conveying the inner coagulation bath into the spinneret, the spinning solution passing through an air gap and entering an outer coagulation bath, the hollow fiber membrane being coagulated and formed under the action of the inner / outer coagulation bath, being washed by pure water and dried to obtain the Fe-Ni / polysulfone hollow fiber membrane, which has a typical asymmetric structure, high mechanical strength and good biocompatibility, can significantly improve the hydrophilicity of the membrane and can also enhance the protein contamination resistance of the membrane.

The utility model discloses a kind of steel pipe positioning code spraying devices based on vertical truss, belong to warehouse automation technical field.The device includes vertical truss, including lifting rod and multifunctional integrated module;The multifunctional integrated module includes range finder, surface pretreatment component, blowing material pipe, code printer and code scanning inspection camera;Steel pipe positioning mechanism, including multiple groups V-shaped cylinder and end positioning roof plate.This steel pipe positioning code spraying device based on vertical truss is integrated five big function modules by vertical truss and is cooperatively controlled with steel pipe positioning machine, and process is continuously switched by the linear movement of lifting rod, and the processing period of single steel pipe is shortened, efficiency is improved, equipment floor area is reduced, and degree of automation is high;In addition, length measurement is linked based on range finder and end positioning roof plate, combined with polishing angle control and blowing material pipe reverse spray, device code spraying offset rate reduces, and scrap removal rate, code scanning inspection pass rate and identification information integrity rate are greatly improved, meet high-precision warehouse traceability demand.

The utility model relates to industrial automation equipment cleaning technical field, especially related to a kind of ash removal dust removal equipment of industrial automation equipment, including dust suction box, the left end middle part of dust suction box and right end middle part are all fixedly connected with connecting pipe, the lower part of left end of dust suction box is provided with door leaf, the middle part of the front end of dust suction box is opened with chute, the front part of the upper end of dust suction box is fixedly connected with adjusting mechanism;The adjusting mechanism includes electric push rod and double-shaft motor, the outer surface upper part of gear is jointly meshed and connected with suction assembly, the outside of double-shaft motor is fixedly installed with slider long plate.The ash removal dust removal equipment of industrial automation equipment, by electric push rod adjusting suction assembly height, double-shaft motor drives dust suction box reciprocating motion before and after, cooperate with double brush strip and the integrated design of sweeping and sucking of negative pressure suction, realize the efficient removal of complex surface full coverage cleaning and boarded dust of equipment.

This utility model discloses a tooling mold for a measuring box limiting groove, relating to the field of measuring box manufacturing technology. The utility model includes an upper mold and a lower mold. A hydraulic push rod is fixedly connected to the left side of the upper mold via a mounting plate, and a support plate is fixedly connected to the top of the hydraulic push rod. A cleaning mechanism is provided on one side of the support plate, including a housing fixedly connected to one side of the support plate and a drive motor fixedly connected to the inner cavity of the housing. This utility model utilizes the synergistic action of a gear tooth plate meshing transmission mechanism and a reciprocating lead screw to create a spiral propulsion cleaning trajectory for the cleaning roller. Combined with a high-speed rotating airflow ejected by a guide plate, this achieves rapid debris removal. The soft brush of the cleaning roller and the airflow from the fan blades form an orthogonal interaction; after the soft brush removes surface deposits, the high-speed airflow directionally blows away residual debris, improving the debris removal rate at the bottom of the deep groove.

The application discloses an ultrasonic dust removal device and a screen printing equipment, which are used for removing the impurities on the surface of a silicon wafer on a conveying belt of the screen printing equipment. The ultrasonic dust removal device comprises an ultrasonic air knife, the ultrasonic air knife comprises a first end and a second end, the first end is provided with an air outlet, the air outlet is arranged towards the conveying belt, the ultrasonic air knife is arranged obliquely, along the conveying direction of the conveying belt, the ultrasonic air knife gradually moves away from the conveying belt from the first end to the second end, and a dust collector is arranged upstream of the ultrasonic air knife along the conveying direction of the conveying belt, and the dust collector is used for adsorbing the impurities stripped by the ultrasonic air knife. The high-frequency vibration and cavitation effect of the ultrasonic air knife can improve the removal capacity of the micro-particles, avoids scratching the surface of the silicon wafer, the dust collector prevents the impurities from spreading in the working environment, the effective removal of the impurities on the surface of the silicon wafer reduces the abrasion of the printing screen caused by the impurities, reduces the probability of occurrence of the bad phenomenon, thereby prolongs the service life of the printing screen and improves the production efficiency.

This utility model provides a high-efficiency separating type magnetic separator for rice, relating to the technical field of rice magnetic separators. It includes a frame, with a first transmission component mounted on top of the frame. A second transmission component is arranged below one side of the first transmission component. A housing is fixed to the top of the frame on the other side of the first transmission component. The top of the housing is connected to a feed hopper, which contains multiple partitions forming multiple chambers. A waste hopper is correspondingly positioned below the first and second transmission components, and a cleaning component is installed inside the waste hopper. The stepped arrangement of the first and second transmission components forms a dual magnetic separation path. During the gradual fall of the rice, the magnetic fields of the first and second magnetic rollers work synergistically to adsorb metal impurities in layers, significantly improving separation efficiency and impurity removal rate, especially with superior secondary adsorption effect on small metal particles.

The utility model discloses a kind of PE protective film winding mechanisms, it includes workbench, the workbench top is provided with removal component, the removal component includes shell and inclined plane plate, the shell top is welded with connecting plate, the connecting plate side wall is provided with scraping component, the scraping component includes scraper and spring, the connecting plate side wall top is provided with fixed component, the fixed component includes snap ring and sliding block, this kind of PE protective film winding mechanism, adopt transmission system that screw rod one and bevel gear are made, cooperation screw rod two converts into the vertical displacement of lifting plate with rotary motion, cooperation inclined plane plate realizes winding roll jacking force amplification effect, the linkage limit of rotary snap ring, effectively reduce radial constraint tolerance, secondly, by installing pre-press spring group in the support side wall of scraper, adjustable bubble scraping structure is formed, by spring group structure realizes the self-adapting compensation film thickness deviation of scraper, effectively improve bubble removal rate.

The embodiment of the invention provides a cleaning method and system and a storage medium, and belongs to the technical field of cleaning equipment. The cleaning method is applied to the cleaning equipment, the cleaning equipment comprises a machine body and a cleaning part connected to the machine body, the cleaning part is provided with a driving part, the driving part can drive the cleaning part to expand outwards to multiple gears, and the cleaning method comprises the steps that in the state that the cleaning part expands outwards, the cleaning equipment moves to the corner point of an obstacle and rotates; detecting a dynamic distance from the boundary of the corner of the obstacle; and under the condition that the dynamic distance between the cleaning equipment and the boundary of the corner point of the obstacle is increased, the external expansion distance of the cleaning part is synchronously adjusted according to the dynamic distance change so as to clean the corner point of the obstacle. The external expansion distance of the cleaning part is synchronously adjusted according to the dynamic distance change, so that the cleaning equipment and the cleaning part are protected from being collided and damaged, and efficient cleaning of the corner point of the obstacle is ensured.

A biomimetic active-passive coordinated low-resistance anti-clogging stubble-breaking device includes a frame assembly, a power transmission device, and a stubble-breaking component. The stubble-breaking component includes a transmission fixing bracket, a dual-disc active stubble-breaking unit, and a corrugated disc passive stubble-breaking unit. The dual-disc active stubble-breaking unit comprises two back-to-back biomimetic concave serrated discs. The corrugated disc passive stubble-breaking unit comprises a corrugated disc, wherein the biomimetic concave serrated disc adopts the concave serrated disc of the third tooth of a biomimetic tea geometrid moth, and its surface has an asymmetrical progressive serrated structure, which can efficiently cut straw and prevent entanglement. The passive auxiliary unit is a corrugated disc, connected to the active stubble-breaking unit through a double-row angular contact bearing, to assist in breaking up residual straw and throwing it to both sides of the seedbed. This invention, through the active-passive combined design, reduces operating power consumption and soil disturbance rate by 22.5% and 20.19%, respectively, and increases the straw removal rate of the seedbed by 9.09%, making it suitable for no-till sowing stubble-breaking operations in wheat-corn rotation areas.

The present application relates to a kind of lycopene and resveratrol microbead and preparation method thereof, to provide a kind of lycopene and resveratrol microbead capable of stable package, not only improve the solubility of two, and have significant antioxidant effect, can make active ingredient stable storage before use, belong to the skin care product technical field.

The utility model discloses a kind of high-efficiency cutting device of laser cutting machine, it is related to laser cutting technical field, to solve the problem that slag can be attached on workpiece placement structure (such as placement rack), if not timely cleaning, it can lead to subsequent workpiece placement uneven, and then reduce cutting accuracy;Chain is connected through placement assembly between, and in order to improve the stability when chain runs, two groups of supporting members are equipped on the inner wall of machine body, the bottom surface of upper supporting member and placement assembly is slidably connected, and the lower supporting member is slidably connected between chain;Combination cleaning tooth plate preliminary cleaning and reciprocating cleaning mechanism depth cleaning, realize the double cleaning effect of "dynamic conveying preliminary stripping and reciprocating wiping after overturning". The inclination design of cleaning tooth plate makes more than 80% large particle slag slide along gravity, and reciprocating cleaning mechanism is driven by half gear to reciprocate, and the removal rate of small slag remaining between placement rack teeth is improved to more than 95%.

The application belongs to the technical field of natural product extraction and nanometer material preparation, and specifically discloses an enzyme-assisted green extraction and nanometer modification method of active polysaccharide of traditional Chinese medicinal materials. In the extraction stage, a three-stage biomimetic gradient layering degradation strategy is adopted to target the wall breaking, and subcritical water extraction is coupled to realize efficient release of polysaccharide, so that the extraction rate reaches 18-25%, and the purity is 85-95%. In the nanometer stage, the polysaccharide, chitosan, sodium alginate and tea polyphenol are constructed into core-shell type nanoparticles (50-200 nm) through ultrasonic driving layer-by-layer self-assembly, the water solubility of the polysaccharide is increased by 3-5 times, the thermal stability is increased by 30-45 DEG C, and the oral absorption rate is increased by more than 2 times.

The invention discloses a convenient-to-clean filter, which belongs to the technical field of gas desulfurization and comprises a mounting shell assembly, an exhaust assembly, an automatic cleaning assembly and a cleaning plate, the exhaust assembly is detachably connected to the top end of the fixed shell, the automatic cleaning assembly is arranged in the fixed shell, and the cleaning plate is in linkage with the automatic cleaning assembly and abuts against the upper surface of the filter screen. After a follow-up gear is meshed with a driving gear, a driving motor drives the cleaning plate to stably move along a guide rod and a limiting rod through a two-way screw, the cleaning plate always abuts against the surface of the filter screen, reciprocating cleaning is achieved through the two-way thread design, the impurity removal rate is increased, and the cleaning efficiency is improved. No cleaning blind area exists; and the cleaning process does not need to be manually disassembled and can be synchronously completed in the filtering process, shutdown cleaning is avoided, the production interruption cost is greatly reduced, and the device is particularly suitable for continuous production scenes.

The invention relates to electronic cigarette liquid containing a traditional Chinese medicine extracting solution and a preparation method thereof. The electronic cigarette liquid is prepared from the following raw materials in parts by weight: traditional Chinese medicine active components: 3-5 parts of ganoderma lucidum fermentation extracting solution and 10-20 parts of animal egg white protein hydrolysate; the alkaline carrier is 100 parts of a high-purity liquid alkali solution with the pH value of 10-14, and the high-purity liquid alkali solution is prepared from high-purity sodium hydroxide and distilled water according to the mass ratio of 1: (5-10); an atomization matrix: 15-25 parts of glycerol; a solvent: 450-550 parts of a glucose aqueous solution; the traditional Chinese medicine active components are obtained by the following processes: (1) mixing ganoderma lucidum baking powder, animal egg white and a high-purity liquid alkali aqueous solution, and standing and fermenting at 25-30 DEG C for 3-5 days to generate small molecular active components with the molecular weight of less than 500Da; (2) carrying out graded filtration by adopting a sand core funnel with the pore diameter of 16-30 microns, removing macromolecular impurities, and retaining micromolecular active ingredients with the molecular weight of less than 500Da;

The application provides a method for preparing fish skin collagen peptides with high antioxidant activity by DHPM and UIO-66 molecular imprinting, and relates to the technical fields of aquatic product deep processing and bioactive peptides. The method comprises the following steps: fish skin pretreatment, DHPM-induced collagen protein unfolding, endogenous enzyme autolysis, crude separation, selective target enrichment by using UIO-66 material with histidine as a molecular imprinting template, and drying collection. The application destroys the dense triple helix structure of collagen protein by using the physical field effect of dynamic high pressure microfluidization, exposes the enzyme cutting site, uses the endogenous enzyme of fish skin for autolysis, and then uses the histidine molecular imprinting UIO-66 material to accurately capture the high antioxidant activity peptide segment, so that the enzymolysis efficiency and the antioxidant activity of the product are significantly improved. The application does not need to add exogenous enzymes, and has the advantages of green process, low cost and high product purity. The obtained fish skin collagen peptides can be widely applied to the fields of functional food, cosmetics and medicine.