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 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 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 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 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 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.