34results about How to "Extend the time of single use" patented technology

The invention belongs to the technical field of preparation of insulators for the construction of asphalt pavement road rollers and relates to an insulator for the low-temperature construction of road rollers and a method for preparing the same. The insulator is mainly prepared by mixing silicone oil, compound emulsifier, glycerin, pH regulator, preserving agent and water. The insulator has the advantages of high chemical stability, high high-low temperature resistance, no corrosion to steel wheels, small amount of coating, lasting insulating effect, environment friendliness and the like. By using the insulator, the asphalt mixture pavement is guaranteed to be constructed at the ultralow temperature (15 DEG C below zero), so that the working season is greatly prolonged; and during normal-temperature construction, by using the insulator, the mixing temperature of the asphalt mixture is reduced to 15 to 20 DEG C under the condition of unchanging the compaction degree and the emitted greenhouse gases are reduced in the mixing process and the environment-friendly and energy saving requirements are met.

The invention relates to a steam condensation recovery structure for a steam box. The steam condensation recovery structure comprises a condensation device and a steam generator. The condensation device comprises a condensation body with a steam inlet, an exhaust port and a condensate outlet, a condensation cavity and a water storage cavity are formed in the condensation body and are communicatedwith each other through a water guide groove, the steam inlet and the exhaust port are formed in the condensation cavity, and the condensate outlet is formed in the water storage cavity and communicated with the steam generator via fluid. Compared with the prior art, the steam condensation recovery structure can effectively avoid the situation that as moisture in steam is carried to external spacealong with gas, deterioration of the external use environment of the steam box is caused, and the use experience of a user is affected; besides, the structure can achieve moisture recycling, so thatthe single use time of the steam box is prolonged.

The invention relates to a double-blade mowing device which comprises a shell, wherein a first motor and a second motor are arranged in the shell; the output shaft of the first motor is provided with a first blade; the output shaft of the second motor is provided with a second blade; the first blade and the second blade are staggered between the front and back of the interior of the shell; and at least parts of vertical projections of the first blade and the second blade are overlapped along the moving direction of a cropper. According to the double-blade mowing device, the mowing current can be greatly lowered, the consumed power is lowered, and the single-time use time of a direct-current battery pack is prolonged; and the mowing time is longer and the mowing area is bigger on the premise of same battery volume.

The invention relates to a cleaning method for removing metal oxide deposited on the surface of ceramic. The cleaning method comprises the following steps: incoming inspection; soaking in pure water;wiping with scouring pads; washing with pure water; soaking in isopropanol; surface sand blasting; cleaning with potassium hydroxide and hydrogen peroxide; cleaning with nitric acid and hydrofluoric acid; soaking in pure water; baking at high temperature; washing under high pressure; ultrasonic cleaning; nitrogen purging; and drying. Aluminum oxide sand blasting treatment is adopted, the roughnessof the surface of a ceramic component is improved, the sediment adsorption capacity is improved, permeation pollutants in micropores of the ceramic component can be cut off easily through a high-temperature baking process, the surface of the ceramic component is cleaned through ultrasonic cleaning and nitrogen, and particle pollutants on the surface of the ceramic component are greatly reduced. Particle pollutants and deposited pollutants on the surface of the ceramic part and in micropores can be completely removed, the single use time of the ceramic part is doubled, the use frequency of theceramic part is increased, and the use cost of customers is reduced.

The invention relates to a cleaning method for filter cloth of a centrifugal machine, and particularly relates to a cleaning method and system for filter cloth of a centrifugal machine in wire cutting waste mortar recycling, aiming to provide a cleaning method and a cleaning system which can clean filter cloth of a scraper efficiently so as to solve the problems that in the prior art, the filter cloth of the scraper is not cleaned thoroughly, the residual impurities are high in content, and the filter cloth is required to be replaced frequently in the production process. The cleaning method comprises the following steps of (1) alkaline washing, (2) acid pickling, (3) washing, and (4) drying. The cleaning method and the cleaning system which are provided by the invention have the positive beneficial effects that the method is used for cleaning fine powder and polyethylene glycol in clearances of the filter cloth of the scraper clearly by the combined action of acid pickling, alkaline washing and ultrasonic wave, the filter cloth of the scraper can be effectively cleaned, the service life of the filter cloth is prolonged, and the cost is saved.

The invention requests to protect a handheld descaling device for performing valve cold water loop voltage-sharing electrode based on an ultrasonic technology, and belongs to the technical field of ultrasonic nondestructive removal. The voltage-sharing electrode descaling device mainly comprises a current injection module, a scale layer thickness detection module, a high-frequency electric signalgeneration module, a power amplification module and a transducer signal module. The thickness detection module measures the potential of the voltage-sharing electrode by applying current excitation, and determines the scaling thickness of the voltage-sharing electrode according to different measurement impedances; the frequency of a signal sent by the high-frequency electric signal generation module, the amplification factor of the power amplification module and the ultrasonic action time are intelligently optimized through the measured thickness information, and the optimal descaling effect is achieved; and finally, ultrasonic waves are output through a transducer module, and a scale layer on the surface of the electrode is removed through a cavitation effect. In the past, the voltage-sharing electrode needs to be dismounted by sampling during converter valve maintenance.

The invention discloses a conversion type adsorption and desorption device and a method thereof, and belongs to the technical field of resin adsorption. The device comprises an adsorption tower and a desorption tower, wherein the adsorption tower is arranged above the desorption tower, the bottom of the adsorption tower and the top of the desorption tower are correspondingly arranged, a partition plate allowing a resin to pass through is arranged between the adsorption tower and the desorption tower, an adsorption water inlet channel, an adsorption layer and an adsorption water outlet channel are sequentially arranged in the adsorption tower in the direction from bottom to top, a desorption liquid inlet channel, a desorption layer and a desorption liquid outlet channel are sequentially arranged in the desorption tower from top to bottom, and the sizes of the cross sectional areas of the adsorption layer and the desorption layer are specifically set. According to the invention, the adsorption and desorption efficiency and the cyclic utilization rate of the resin can be effectively improved.

The invention relates to a new energy mine truck driving motor with an efficient heat dissipation structure. The new energy mine truck driving motor comprises a motor, a friction disc, a friction wheel, a heat dissipation device and an eccentric adjusting assembly. The friction disc is installed on a main shaft of the motor. The friction wheel can rotate along with the friction disc. The heat dissipation device is configured to improve the heat dissipation capacity along with increase of the rotating speed of the friction wheel; the eccentric adjusting assembly comprises a transmission rod anda connecting sleeve, the transmission rod can be rotationally arranged along with a main shaft of the motor, a centrifugal adjusting block is arranged on a transmission rod, a linkage mechanism and two threaded meshing blocks are arranged in the centrifugal adjusting block, and the linkage mechanism is configured to enable only one threaded meshing block to be matched with a connecting sleeve; the connecting sleeve is configured to be meshed with different threaded meshing blocks so as to drive the friction wheel to move away from the circle center of the friction disc at different speeds along with rotation of the transmission rod, and the rotating speed of the friction wheel is increased. When the motor load is reduced and the rotating speed of the main shaft is increased, the moving speed of the connecting sleeve is stably increased by switching the threaded meshing block to be matched with the connecting sleeve, and then the heat dissipation capacity is stably improved.

The invention discloses a self-breathing self-charging type mask which is mainly formed by a mask body, an air supply body, an air draft body, a fan, a small generator, a rechargeable battery, a filter membrane and a mask front cover. Square holes are formed at two sides of the mask body to be used for matching with the air supply body, a hollow cylinder is arranged at the front part of the mask body, the hollow part of the hollow cylinder communicates with the inner chamber of the mask body, support ribs are arranged in the hollow cylinder to be used for supporting the filter membrane at the front end; and a headband is arranged on the mask body to be used for fixing the mask body. The air draft body can timely discharge exhaled air and send fresh air to the nasal cavity, so that a wearer can smoothly breathe; the air supply body sends air into the mask body via air vents, so that the air cannot directly blow to the face of the wearer, thus preventing the wearer from catching cold and preventing dry skin; and the generator can converter residual air of the air supply body and air exhaled by the wearer into electric energy to be charged to the battery of the fan, thus increasing the one-time use time of the mask and saving energy.

The invention relates to a wireless centralized control tension measuring instrument which comprises a probe and a handheld display, wherein the probe comprises a sensor, a first single-chip microprocessor, a first wireless communication module and a first power module; the handheld display comprises a second wireless communication module, a second single-chip microprocessor, a display screen, a second power module and a buzzer; the probe is connected with the handheld display via a wireless network; the sensor is connected with the first single-chip microprocessor; the first single-chip microprocessor is bi-directionally connected with the first wireless communication module; the first power module is respectively connected with the sensor, the first single-chip microprocessor and the first wireless communication module; the second wireless communication module is bi-directionally connected with the second single-chip microprocessor; the second single-chip microprocessor is respectively connected with the display screen and the buzzer; and the second power module is respectively connected with the second wireless communication module, the second single-chip microprocessor, the display screen and the buzzer. Compared with the prior art, the wireless centralized control tension measuring instrument has the advantages of light weight, easy quantized control, high precision, long single-use time and the like, and is convenient in use.

The invention discloses an OLED display panel and a display. The OLED display panel comprises a light-emitting device, a brightness enhancement film, a phase compensation film and a linear polarizer which are sequentially stacked. According to the OLED display panel, the utilization rate of light emitted by the light-emitting device can be improved by more than 30%, equivalently, the brightness of a screen is greatly improved on the premise that the light-emitting energy consumption is not changed, or the energy consumption of the screen is reduced on the condition that the brightness of the screen is not changed. By using the OLED display panel, the single-time use time of the portable electronic equipment can be prolonged, the service life of a screen is prolonged, the performance of an electronic device is improved, and the service life of a battery of the portable equipment is prolonged.

The invention discloses a multifunctional 3D printing pen. The printing pen comprises a printing pen body, a multi-color ink box is arranged at the top of the printing pen body, and a spray head outersleeve is installed at the bottom of the printing pen body; the multi-color ink box is connected with the printing pen body through a rotating sleeve, moreover, ink outlets of the multi-color ink boxis connected with a pen material cavity through an ink outlet hose, and the pen material cavity communicates with a feeding port of the printing pen body through a plastic tube; the pen material cavity is sequentially provided with an air pressure cylinder, a heating electric sheet ring, a hydraulic pump and an electromagnetic heating ring from right to left, wherein a rubber gasket ring is installed on a piston rod of the air pressure cylinder, a main battery and a standby battery are symmetrically arranged on the two sides of the heating electric sheet ring respectively, and the main battery and the standby battery are provided with battery cover plates respectively; the hydraulic pump is arranged in the pen material cavity in a nested mode; and an adapter spray head is installed in themiddle of the spray head outer sleeve. According to the printing pen, quick color changing can be achieved through the multi-color ink box, moreover, the adapter spray head can be replaced conveniently, and the anti-blocking effect is achieved.

The invention discloses a wearable electrocardiograph and a using method thereof. The wearable electrocardiograph comprises an electrocardiograph body and a charging bench, and two through holes are formed in the lower end face of a base of the electrocardiograph body; two electrocardio electrode buckles are embedded inside the two through holes respectively; a snap switch is arranged at the lowerend face of the base; a data transmission and charging chip is arranged at the lower end face of the base; a notch in the upper end face of a housing of the charging bench is matched with the base ofthe electrocardiograph body in shape; two padlocks are matched with the two electrocardio electrode buckles, a switch thimble is opposed to the snap switch, and multiple pin-type contacts which can be snapped are opposed to the data transmission and charging chip. In the wearable electrocardiograph, the electrocardio electrode buckles themselves serve as placing and locking places, the snap switch replaces a physical switch which is operated manually, and thus misoperation is avoided; wireless data transmission and physical data transmission are applied, the charging bench and the electrocardiograph body can transmit data to each other, so that the energy consumption of the electrocardiograph body is reduced, and the single using time of the electrocardiograph body is prolonged.

The invention relates to the technical field of protective clothing, in particular to pressurized drying protective clothing. An eyepiece and a protective clothing body are integrally connected and cannot be detached. Hydrophobic poly-p-xylylene (parylene) coatings are arranged on the inner sides of the eyepiece and the protective clothing body, so that the eyepiece can be kept clear, no water vapor is attached to the interior of the protective clothing, and the comfort of medical personnel wearing the protective clothing for a long time is further improved. Through the arrangement of a dryingand disinfecting bottle, a direct-current fan, a 100-level high-pressure clean air bottle, an air inlet hose system, an air exhaust hose system and a pressurizing hose system, the positive-pressure environment in the protective clothing and drying and non-toxicity of circulating air can be achieved, and the safety and comfort in the protective clothing are improved. A breathing filtering device and a crotch opening can be opened, pressurization is conducted in combination with the 100-level high-pressure clean air bottle, pressurized air can flow towards the outside of the protective clothingin a one-way mode through the opening, the necessary eating and defecation requirements of medical staff during work are met, and the single-time use time of a single piece of protective clothing isprolonged.

The invention discloses an efficient slurry dewatering device and method based on ultrasonication. The method comprises steps as follows: to-be-dewatered slurry is added to the device, most of water in the slurry permeates a water permeable layer under the gravity or pressure effect, and the preliminary slurry and water separation step is finished; after the dewatering process is performed for a longer time, the water permeable layer can form a slurry film due to coverage of intercepted slurry, the sludge film layer thickens gradually, and the water permeability of the water permeable layer is reduced; an ultrasonic generator is started, and the slurry film is subjected to ultrasonication and the water permeability of the water permeable layer is remodeled under the ultrasonic cavitation effect. According to the efficient slurry dewatering method based on ultrasonication, the slurry film covering the surface of the water permeable layer is destroyed and the water permeability is remodeled under the ultrasonic cavitation effect, the dewatering period can be shortened, the dewatering efficiency can be improved, quick slurry reduction can be realized, the slurry treatment field is narrowed, and the slurry treatment cost is reduced.

The invention discloses a radio frequency signal awakening method and device, electronic equipment and a storage medium. The method comprises the following steps: receiving a radio frequency signal; carrying out band-pass filtering on the radio frequency signal, and reserving a signal in a preset frequency band; performing amplification and detection on the signal in the reserved preset frequencyband, and outputting an enhancement signal capable of exciting a circuit module to be awakened; and shaping the enhanced signal, and outputting a wake-up signal which can be identified by a circuit module to be waken up. According to the invention, the standby state of the electronic product is adjusted to a low-power-consumption dormant state; energy loss of batteries is reduced, when needing towork, the circuit module to be awakened is stimulated to enter a working state from the low-power-consumption dormant state through radio frequency signal awakening. According to the technical scheme,the single use time of the electronic product can be prolonged without increasing the battery capacity, ultra-long standby is achieved, the use pleasure of a user can be improved to the maximum extent, and the electronic product is stable, reliable, good in energy-saving effect, high in practicability and wide in application range.

The invention belongs to the field of unmanned wave-piercing navigation vehicles, and specifically relates to an unmanned wave-piercing navigation vehicle. By means of the up and down movement of a double-body floating body above water, the unmanned wave-piercing navigation vehicle performs autonomous adjusting on the floating state of the navigation vehicle, helps the navigation vehicle to perform a concealed working task above the water, and proposes a new design idea for diversified application of the wave-piercing navigation vehicle. The unmanned wave-piercing navigation vehicle controls the navigation vehicle to always maintain a certain height difference with the liquid surface in waves and still water by means of the up and down free movement of the floating body with a certain buoyancy on a straight rod fixedly connected to the navigation vehicle, thereby ensuring that the floating state of the navigation vehicle is unchanged and the platform equipment on the floating body is protected from large damage. At the same time, compared with an unmanned surface vessel, the floating platform structure is smaller in size and is more concealed, and can complete the working tasks required to be completed above the water surface.

The invention claims to protect a hand-held descaling device based on ultrasonic technology for equalizing electrodes of valve cooling water circuits, which belongs to the technical field of ultrasonic non-destructive removal. The voltage equalizing electrode descaling device proposed by the present invention mainly includes a current injection module, a scale layer thickness detection module, a high-frequency electric signal generation module, a power amplification module, and a transducer signal module. The thickness detection module measures the potential of the equalizing electrode by applying current excitation, and determines the thickness of the equalizing electrode scaling according to different measurement impedances. The ultrasonic adjustment module has a built-in Powell algorithm, which intelligently optimizes the high-frequency electrical signal generation module through the measured thickness information. The frequency of the signal, the amplification factor of the power amplifier module, and the ultrasonic action time achieve the optimal descaling effect; finally, the ultrasonic wave is output through the transducer module and the scale layer on the electrode surface is removed by the cavitation effect. In the past, the overhaul of the converter valve required sampling and dismantling of the equalizing electrodes.

The invention discloses an aroma sustained-release capsule and a preparation method thereof. The aroma sustained-release capsule comprises a composite microsphere, the composite microsphere comprises a plurality of microsphere units, a matched capsule shell is arranged outside the composite microsphere, and the diameter of the composite microsphere is smaller than that of the capsule shell. The invention also discloses a preparation method of the fragrance sustained-release capsule. The aroma sustained-release capsule is prepared from a starch-beta cyclodextrin composite microsphere and xanthan gum, so that the single use time of the original aroma releasing agent is prolonged to enhance the use effect, and the problems of resource waste, environmental pollution, harm to human health and the like caused by too high aroma volatilization speed and increased use times in the prior art are effectively solved.

The invention discloses an engine cylinder body cooling flow guide system. The engine cylinder body cooling flow guide system comprises an engine cylinder body, an assembling upper shell, an assembling sleeve shell and an assembling lower shell, wherein grooves are formed in the top and the bottom of the engine cylinder body, the assembling upper shell and the assembling sleeve shell are fixedly connected with limiting blocks respectively, the inner surfaces of the grooves are connected with the outer surfaces of the limiting blocks in a clamped mode, the bottom of the assembling upper shell is connected with the top of the assembling sleeve shell in a clamped mode, the top of the assembling lower shell is connected with the bottom of the assembling sleeve shell in a clamped mode, the topof the assembling upper shell is fixedly connected with a main water tank, and an upper cooling box is fixedly connected to the front side and the rear side of the assembling upper shell. The invention relates to the technical field of engine correlation. The engine cylinder cooling flow guiding system is used for carrying out full-aspect water cooling on the engine cylinder body, and meanwhile the temperature of the surface of the engine cylinder body is ensured to be consistent, the temperature of a water outlet is obviously higher than that of a water inlet due to an existing cooling mode,and the problem that the normal service life of an engine can be severely affected under the condition of long-term operation is solved.

The invention discloses an aroma sustained-release capsule and a preparation method thereof. An aroma sustained-release capsule includes composite microspheres, the composite microspheres include several microsphere units, the exterior of the composite microspheres is provided with a matching capsule shell, the composite microspheres The ball diameter is smaller than the capsule shell diameter. The present invention also includes the preparation method of the fragrance sustained-release capsule. The present invention uses starch-β-cyclodextrin composite microspheres and xanthan gum to make aroma slow-release capsules, prolongs the single use time of the original aroma release agent to enhance the use effect, and effectively solves the problem of excessive aroma volatilization speed in the prior art. Fast, increasing the number of times of use causes waste of resources, environmental pollution and hazards to human health.

The invention relates to a new energy mining truck driving motor with a high-efficiency heat dissipation structure, including a motor, a friction disc, a friction wheel, a heat dissipation device, and an eccentric adjustment assembly; the friction disc is installed on the main shaft of the motor, and the friction wheel can rotate with the friction disc; heat dissipation The device is configured to increase the heat dissipation capacity as the friction wheel speed increases; the eccentric adjustment assembly includes a transmission rod and a connecting sleeve, the transmission rod can be set to rotate with the main shaft of the motor, a centrifugal adjustment block is arranged on the transmission rod, and a linkage is arranged in the centrifugal adjustment block. Mechanism and two threaded engaging blocks, the linkage mechanism is configured so that only one threaded engaging block fits with the connecting sleeve; the connecting sleeve is configured to engage with different threaded engaging blocks, so as to drive the friction wheel away from the center of the friction disc with the rotation of the transmission rod Move at different speeds and increase the rotational speed of the friction wheel. When the load of the motor decreases and the rotational speed of the spindle increases, the movement speed of the connecting sleeve increases steadily by switching the cooperation between the threaded engagement block and the connecting sleeve, thereby stably improving the heat dissipation capacity.

The invention discloses a lifting check valve which is easy to replace the spring. Mechanism, the outside of the spring replacement mechanism is provided with two left and right symmetrical disc limit mechanisms; when the elastic force of the check valve spring decreases, turn the elastic force adjustment lever to restore the elastic force of the check valve spring to the original state, thereby reducing the force of the check valve spring. The frequency of spring replacement prolongs the single use time of the check valve spring. At the same time, through the valve disc limit mechanism, when the spring is replaced, the limit block is in contact with the upper end surface of the spring sleeve, so that the valve disc cannot move upward under the action of water flow. Movement, so that the water flow cannot enter the drain through the disc movable chamber, so that the check valve spring can be replaced without turning off the water source, and the maintenance efficiency of the check valve spring is improved.

The invention provides an agricultural greenhouse capable of precisely controlling temperature. A support is installed in a greenhouse body, an air-permeable layer is installed on the lateral wall ofthe greenhouse body, the top of the support is fixedly provided with a main channel, an air inlet channel is inserted into the bottom of the main channel, heating channels are inserted into the two sides of the air inlet channel, and an air valve is arranged on the bottom of the air inlet channel. A box body is put at the bottom of the support, the top of the box body is fixedly provided with a liquid condensing tank, a liquid discharging channel is inserted into the side wall of the liquid condensing tank, and an air discharging channel is inserted into the bottom of the liquid condensing tank. A top cover is installed on the top of the liquid condensing tank, the top of the top cover is connected with a connecting rod, a supporting rod is hinged to one end of the connecting rod, and thetop of the supporting rod is fixedly installed on the bottom of the air valve through a bolt. In the device, evaporative condensation of C4-C6 fractions serves as a controller for controlling the temperature of the greenhouse, labor is saved, and the change of the temperature difference in the greenhouse is smaller.

The invention belongs to the field of unmanned wave-piercing vehicles, in particular to an unmanned wave-piercing vehicle. With the help of the up and down movement of the double-body floating body in the water part, the invention can independently adjust the floating state of the aircraft and help the aircraft to perform concealed water operations, and proposes a multi-application method for the wave-piercing aircraft. A new design idea. In the present invention, by utilizing the floating body with a certain buoyancy to move freely up and down on the straight rod fixedly connected with the aircraft, the aircraft can always maintain a certain height difference with the liquid surface in both waves and still water, thereby ensuring navigation The floating state of the device remains unchanged and the platform equipment on the floating body is protected from major damage; at the same time, the structure of the floating body platform is smaller than that of the unmanned surface vehicle and has stronger concealment, which can complete the tasks that need to be completed above the water surface .

The invention belongs to the technical field of water purification filter elements, and relates to an activated carbon-based composite filter element which comprises a shell, the shell comprises a bottom plate, a water outlet is formed in the center of the bottom plate, a filter element main body is fixedly mounted in the shell, an early warning groove is formed in the side wall of the filter element main body, a movable device is fixedly mounted in the shell, a first spring is fixedly installed on the upper surface of a bottom plate of the shell, a movable ring is fixedly mounted at the upper end of the first spring, the outer side wall of the movable ring is in contact with the inner wall of the shell, pP cotton is fixedly installed on the inner side wall of the movable ring, and the PP cotton is in contact with the outer wall of the filter element main body and is compressed by the movable ring and the filter element main body. The activated carbon-based composite filter element is simple in structure; water flows into the composite filter element to trigger the movable ring to clean surface impurities, and the water is filtered by the filter element main body and enters a sterilization device so as to be sterilized.

The invention provides a hand warmer utilizing phase change heat storage, and belongs to the field of hand warmers. The product comprises a base, an electric heating structure is arranged in the upperend face in the base, a heating bag is installed on the electric heating structure, and an inorganic phase change energy storage material is contained in the heating bag; the inorganic phase change energy storage material is sodium acetate trihydrate, and Na2HPO4.12H2O accounting for 1% of the volume of the sodium acetate trihydrate and sodium carboxymethyl cellulose accounting for 2% of the volume of the sodium acetate trihydrate are added into the sodium acetate trihydrate; a heat conduction cover body covers the top of the base, and the inner end face makes contact with the upper end faceof the heating bag. According to the equipment, the inorganic phase change heat storage material sodium acetate trihydrate is used for storing energy, latent heat can be used for storing heat, the single-time use time of the product is longer, the heat preservation effect is better, and therefore the purpose of saving energy is achieved. Meanwhile, an external power supply is used for heating, andwhen a certain temperature is reached, a temperature controller automatically cuts off a circuit, so that the use safety is ensured.

The invention relates to a cleaning method for filter cloth of a centrifugal machine, and particularly relates to a cleaning method and system for filter cloth of a centrifugal machine in wire cutting waste mortar recycling, aiming to provide a cleaning method and a cleaning system which can clean filter cloth of a scraper efficiently so as to solve the problems that in the prior art, the filter cloth of the scraper is not cleaned thoroughly, the residual impurities are high in content, and the filter cloth is required to be replaced frequently in the production process. The cleaning method comprises the following steps of (1) alkaline washing, (2) acid pickling, (3) washing, and (4) drying. The cleaning method and the cleaning system which are provided by the invention have the positive beneficial effects that the method is used for cleaning fine powder and polyethylene glycol in clearances of the filter cloth of the scraper clearly by the combined action of acid pickling, alkaline washing and ultrasonic wave, the filter cloth of the scraper can be effectively cleaned, the service life of the filter cloth is prolonged, and the cost is saved.

The invention belongs to the technical field of preparation of insulators for the construction of asphalt pavement road rollers and relates to an insulator for the low-temperature construction of road rollers and a method for preparing the same. The insulator is mainly prepared by mixing silicone oil, compound emulsifier, glycerin, pH regulator, preserving agent and water. The insulator has the advantages of high chemical stability, high high-low temperature resistance, no corrosion to steel wheels, small amount of coating, lasting insulating effect, environment friendliness and the like. By using the insulator, the asphalt mixture pavement is guaranteed to be constructed at the ultralow temperature (15 DEG C below zero), so that the working season is greatly prolonged; and during normal-temperature construction, by using the insulator, the mixing temperature of the asphalt mixture is reduced to 15 to 20 DEG C under the condition of unchanging the compaction degree and the emitted greenhouse gases are reduced in the mixing process and the environment-friendly and energy saving requirements are met.

The invention discloses a fragrance adsorption and slow release mobile phone shell and a production method thereof. The fragrance adsorption and slow release mobile phone shell comprises an inner layer, two sides of the inner layer are provided with matched outer layers, and the length of the inner layer is the same as that of the outer layers. The lengths of the inner layer and the outer layers are 80-120mm; and each outer layer is made of xanthan gum, and the inner layer is made of starch-beta cyclodextrin composite microspheres. The invention further discloses a production method of the fragrance adsorption and slow release mobile phone shell. According to the invention, the starch-beta cyclodextrin composite microspheres serve as the inner layer, the outer layers are coated with the xanthan gum to produce the mobile phone shell, the mobile phone shell has the fragrance adsorption and slow release functions, and the problems that an existing mobile phone shell does not have the fragrance slow release function, and the fragrance release time cannot be prolonged are effectively solved.