30results about How to "Use long-acting" patented technology

The invention relates to the field of odor removal, in particular to a preparing method of an odor removal bead with a core-shell structure and the function of absorbing water. The core-shell structure is involved and comprises an outer layer and an inner core covered with the outer layer, and the bead is mainly prepared by steps of preparation of a clathrate compound, preparation of the inner core, preparation of the outer layer and drying granulation. The material which forms a micropore structure when swelling in the presence of water restores the original shape when losing water, the innercore is slow-release particles formed by the clathrate compound containing camphor essential oil, eucalyptus essential oil or yucca schidigera plant essential oil and other natural odor removal materials, high-molecular water-absorbing capsule walls of the outer layer swell in the presence of water, then micropores in the high-molecular capsule walls are opened, thus water enters the micropores and is in contact with the inner core, the inner core releases odor removal substances in the presence of water, and then the odor removal substances are slowly released through the micropores; when the adsorbed water molecules reach the saturation value, along with water loss, the odor removal bead is gradually shrunk day by day until the bead restores the original size, after water is re-added into the bead, the original odor removal function can be restored, the bead can be repeatedly used multiple times, and the safe, long-acting and lasting odor removal effects are achieved.

The invention discloses a large slag ladle repairing technology. The large slag ladle repairing technology is characterized in that a hanger shaft of a slag ladle is milled through a machining device in a manner that a cutter rotates while the workpiece stays still, so that the diameter of the hanger shaft is reduced; the hanger shaft with the reduced diameter is then sleeved by a shaft sleeve, and the outer diameter of the shaft sleeve is identical to the diameter of the hanger shaft before the diameter reduction. The large slag ladle repairing technology disclosed by the invention has the advantages that the diameter of the worn-out hanger shaft of the slag ladle is reduced to 270 mm through machining, and the hanger shaft is then sleeved by the shaft sleeve with a diameter of 300 mm, so that the slag ladle can be reused after repair, which greatly prolongs the service life of the slag ladle and saves the production cost.

The invention discloses an anti-rust protective film for a building steel stamping part. The anti-rust protective film is prepared from the following raw materials in parts by weight: 40-75 parts of chlorosulfonated polyethylene, 20-35 parts of polyamino resin, 12-18 parts of ethyl silicate, 5-10 parts of sulfur dioxide, 2-8 parts of toughening resin, 5-15 parts of styrene-acrylic emulsion, 3-9 parts of dodecenyl succinic acid, 4-9 parts of aluminum powder, 2-4 parts of superfine palm wax micro powder, 3-7 parts of zinc sulfate and 6-10 parts of sepiolite powder. The protective film has the advantages of being high in strength, wear resistance and adhesive force, good in isolation performance and weather resistance, resistant to impact and the like, the stamping part can be repeatedly usedafter being subjected to one-time treatment, and the purposes of long-acting use, rust prevention and corrosion prevention and steel saving are achieved.

The invention provides a frictional pendulum sliding support. Through a first slide block and a second slide block which are arranged at intervals and arranged between a first installing plate and a second installing plate, and a through hole arranged in the center of the first slide block and the second slide block, an elastic element is arranged in the through hole. Friction plates at both ends of the elastic element, and the first installing plate and the second installing plate are respectively rubbed with a first friction curve face of the first installing plate and a second friction curve face of the second installing plate under the pressure function provided by the elastic element so as to eliminate the shock energy. For the elastic element can continuously provide stable pressure for the first friction curve face and the second friction curve face, the frictional pendulum sliding support has higher stability, and can be used for a long time.

The invention discloses a protective device for electrical automation of electrical engineering based on the Internet of Things, and relates to the technical field of electrical automation of electrical engineering, in particular to a protective device for electrical automation of electrical engineering based on the Internet of Things, which comprises a cover box, an auxiliary heat dissipation mechanism is arranged in the cover box, and a bottom shaft is arranged on the cover box. A side gear is fixedly embedded in the outer wall of the bottom shaft, one side of the side gear is connected with a steering gear in an engaged mode, the input end of the steering gear is connected with a driving motor, and a bottom box is arranged at the bottom of the cover box. The protective device for electrical automation of electrical engineering based on the Internet of Things is provided with a guide clamping mechanism, clamping plates can be effectively pulled to rotate along the outer portion of a connecting pin by adjusting a hydraulic oil cylinder, the rotating angle of the clamping plates can be effectively changed, and therefore the distance between the clamping plates can be effectively changed; and therefore, grabbing of the clamping plates can be effectively controlled, and short-distance picking or grabbing can be effectively achieved.

The invention discloses multifunctional composite lubricating grease and a preparation method thereof. The multifunctional composite lubricating grease comprises the following components in parts by weight: 5-20 parts of fatty acid, 10-50 parts of grease, 12-30 parts of a strong alkali aqueous solution, 5-30 parts of organic bentonite, 2-5 parts of an anti-wear agent, 0.1-0.3 part of an anti-rust agent, 0.1-0.2 part of a stabilizer, 5-6 parts of an extreme pressure agent and 10-50 parts of base oil. The multifunctional composite lubricating grease has the following advantages that the dropping point reaches about 420 DEG C, the cutting resistance is high, the oxidation resistance is excellent, use is long-acting, the low-temperature fluidity is high, the use range is wide, the biodegradability is high, the extreme pressure performance is high, the rust resistance is strong, the water resistance is high, and the like.

The invention belongs to a nylon composite material with low temperature resistance and high temperature resistance. The nylon composite material is prepared from the following raw materials in parts by weight: 65-90 parts of nylon-66 resin, 5-20 parts of nylon-6 resin, 2-10 parts of polyolefin elastomer, 0.1-1 part of cuprous iodide, 0.1-1 part of a nucleating agent and 0.1-1 part of montan wax. The prepared nylon composite material has low temperature resistance and high temperature resistance at the same time and can be used in a long-acting manner under the condition that high temperature of 180 DEG C and low temperature of -40 DEG C are alternate.

The invention relates to a friction-type coupler which comprises a main transmission shaft (3), a friction plate (7), a clutch shell (5), an inner spline connecting sleeve (17) and a device, wherein the device positions the friction plate (7) in axial direction and is subjected to axial spring pressure; when the coupler is started, a friction block (25) is in contact friction with the radial inner surface of the clutch shell (5) under the action of centrifugal force to control the friction between the friction plate (7) and friction rings (6 and11) at the inner side surface of the clutch shell, and power transfer is realized; in overload, the friction plate and the friction rings have friction to cause temperature rise, liquid in an enclosed cavity (12) of the friction plate has temperature rise and expands to force the fraction plate to separate from the friction rings, and then a motor is separated from the load. The friction-type coupler has the advantages of light weight, stable connection, sensitive power transfer, great contact friction force and long-acting effect in use, and the surface temperature of the coupler can be controlled; the over-temperature safety hazard is eliminated thoroughly, and the couple is especially suitable for occasions with the high temperature safety requirement.

The invention provides a three-dimensional shock insulation supporting seat which realizes consumption of seismic energy by rubbing a first friction hook face with a first rubbing piece arranged at the first end of a first elastic component. As the elastic component can continuously supply stable pressure for the first rubbing piece, the three-dimensional shock insulation supporting seat has relatively high stability, and can be used effectively for a long time.

The invention discloses a stainless steel embedded sleeve. The stainless steel embedded sleeve comprises a main body, wherein the main body comprises an anti-pulling device and a sleeve which are integrally formed and manufactured; a central hole is formed in the sleeve; an internal thread is arranged at one end of the central hole; the anti-pulling device is arranged at one end, far away from the internal thread, of the sleeve; and the ratio of the height of the anti-pulling device to the outer diameter of the sleeve to the height of the main body is (1.2-2): 1: (2.5-5). According to the stainless steel embedded sleeve, the anti-pulling device and the sleeve are integrally formed, the structure is simple, the processing is convenient, and the production efficiency can be effectively improved. In addition, the height of the anti-pulling device, the outer diameter of the sleeve and the height of the main body are limited, so that the maximum limited axial drawing force can be guaranteed, and the strength of the stainless steel embedded sleeve can be guaranteed to meet the mechanical requirements of pulling resistance and rotary shearing.

The application discloses a solar cell module and its preparation method, which belongs to the technical field of solar cells, and solves the problem of external force at the edge of the overlapping area of ​​the solar cell module in the prior art during the preparation process of the solar cell module and in the lamination process. It is prone to cracks or even slivers, and the problem of inconvenient processing. The preparation method of the present application includes the following steps: sequentially laying the first encapsulation film, the battery string, the second encapsulation film and the front cover on the rear cover to obtain a laminate; laminating the laminate to obtain a solar cell The assembly; the battery string includes a plurality of battery sheets connected in a head-to-tail overlapping manner; the first encapsulation film includes a main body and a plurality of local protrusions arranged on the main body and corresponding to the overlapping areas of the battery sheets, and / or Alternatively, the second encapsulation film includes a main body and a plurality of local protrusions disposed on the main body and corresponding to overlapping regions of the battery sheets. This application can be used for solar power generation.

The invention provides a vaginal sustained and controlled release drug delivery system containing an aromatase inhibitor and a preparation method thereof. The drug delivery system is an aromatase inhibitor reservoir-type vaginal ring prepared by loading aromatase inhibitor drugs with EVA as a carrier material. The vaginal ring includes a core layer and a film layer wrapped outside the core layer. The core layer It is formed after the aromatase inhibitor drug is evenly mixed with the EVA material; the film layer is formed of the EVA material. The release period of the vaginal sustained and controlled release drug delivery system of the present invention is 28 days to 42 days, the use process is more flexible, the preparation cost is also lower, and there is no obvious burst release effect, and the desired release can be achieved in a short time Therefore, the drug release is more stable and the application is safer.

The invention belongs to the technical field of masks, and in particular relates to a sterilization and disinfection mask with a photocatalytic apatite wrapping technology, comprising a sterilization and disinfection outer layer and a textile inner layer in contact with a human face, wherein the sterilization and disinfection outer layer comprises a base fabric, and the The surface of the base fabric is coated with apatite-nano-titanium dioxide composite photocatalyst, and the base fabric is composed of three kinds of fibers: nano-silver fibers, bamboo charcoal fibers and photocatalytic fibers. The present invention improves the photocatalysis, sterilization and disinfection efficiency of titanium dioxide as a whole by coating the composite photocatalyst with titanium dioxide and apatite as materials on the outer layer of the mask as the main sterilization and disinfection agent, and the mask of the present invention has The effect of long-term use.

The invention relates to a cold smoking and deodorizing disinfectant, and belongs to the technical field of household daily chemical care. The cold smoking and deodorizing disinfectant disclosed by the invention comprises the following components: 80-90 parts of water, 0.1-2 parts of a germicide, 0.1-2 part of a deodorant, and 5-10 parts of a smoking agent. The cold smoking and deodorizing disinfectant has high-efficiency sterilization and long-acting antibacterial ability, and is capability of removing various peculiar smells while emitting natural faint scent; and thus, the disinfectant is ahealthy and safe deodorizing and sterilizing disinfectant for space environment.

The invention discloses a large slag ladle repairing technology. The large slag ladle repairing technology is characterized in that a hanger shaft of a slag ladle is milled through a machining device in a manner that a cutter rotates while the workpiece stays still, so that the diameter of the hanger shaft is reduced; the hanger shaft with the reduced diameter is then sleeved by a shaft sleeve, and the outer diameter of the shaft sleeve is identical to the diameter of the hanger shaft before the diameter reduction. The large slag ladle repairing technology disclosed by the invention has the advantages that the diameter of the worn-out hanger shaft of the slag ladle is reduced to 270 mm through machining, and the hanger shaft is then sleeved by the shaft sleeve with a diameter of 300 mm, so that the slag ladle can be reused after repair, which greatly prolongs the service life of the slag ladle and saves the production cost.

The application discloses a photovoltaic module and its preparation method, which belongs to the technical field of solar cells, and solves the problems caused by the external force at the edge of the overlapped area of ​​the battery sheet in the lamination and lamination process in the photovoltaic module preparation process in the prior art. The effect is prone to the problem of cracks or even lobes. The preparation method of the present application includes the following steps: sequentially laying the first encapsulation film, the battery string, the second encapsulation film and the cover plate on the back plate to obtain a laminate; laminating the laminate; the battery string includes multiple The battery slices connected head to tail; the back plate includes a back plate main body and a plurality of back plate protrusions arranged on the surface of the back plate main body facing the battery string and corresponding to the overlapping area of ​​the battery slices. The photovoltaic module of the present application and its preparation method can be used for solar power generation.

The invention discloses an electric engraving pen for a ceramic artwork. The electric engraving pen comprises an engraving cutter head, a hand-tight clamping head is arranged below the engraving cutter head, and a clamping jaw is arranged in the hand-tight clamping head; a hand-tight rotating body is arranged below the clamping jaw, and a clamping jaw driving part is arranged below the hand-tightrotating body; a clamping head shell is arranged on the outer wall of the clamping jaw driving part, a connection end is arranged below the clamping head shell, a gripping part is arranged below the connection end, an anti-slip thread is arranged on the outer wall of the gripping part, and a lampshade is arranged on one side of the gripping part; a lighting lamp is mounted in the lampshade, a lighting lamp button is arranged on the outer wall of the lampshade, and a motor part is arranged below the gripping part. According to the electric engraving pen for the ceramic artwork, a USB interfaceis formed in one end of a wire, and thus the electric engraving pen can be charged through multiple equipment such as a power supply interface, a computer and a mobile phone and makes outdoor travelling more convenient.

The invention relates to a detergent for removing gypsum residues on a dewaxing handicraft. The stock solution is composed of the following components in parts by weight: 1-30 parts of penetrant, 5-50 parts of precipitant, 1-4.4 parts of pH regulator, 0.1-0.3 part of corrosion inhibitor, 0.1-1 part of surfactant and 30-92.7 parts of water. The penetrant is one or mixture of more of the following acids or salts capable of providing free fluorine ions: hydrofluoric acid, and sodium salt or potassium salt or ammonium salt thereof; fluoboric acid, and potassium salt or sodium salt or ammonium salt thereof; sodium bifluoride; potassium hydrogen fluoride; and ammonium acid fluoride. The detergent has favorable gypsum residue removal effect, does not generate the volatile toxic gas hydrofluoric acid, and has the characteristics of environmental protection, high economy and high efficiency.

The invention relates to an anticorrosion method for improving anticorrosion effect and fixing a rigid polyvinyl chloride plate through fusible interlining and belongs to the technical field of anticorrosion. an anticorrosion structure is composed of three layers, namely an isolation layer, resin mortar and the rigid polyvinyl chloride plate; the method comprises the steps of conducting treatment on a substrate, arranging the isolation layer on the surface of the substrate through fusible interlining, fixing the rigid polyvinyl chloride plate to the resin mortar through fusible interlining, wherein the thickness of the rigid polyvinyl chloride plate used for the fusible interlining is 2-25 mm, and drilling holes in the upper portion of the rigid polyvinyl chloride plate, wherein the drilling diameter is 3-10 mm and the drilling interval is 300-500 mm; before construction, covering the drilled holes with scotch tape in a pasted mode, and when fabricating and installing the rigid polyvinyl chloride plate, adjusting the position and distance to reach the requirements, and fixing the rigid polyvinyl chloride plate; after the rigid polyvinyl chloride plate is installed ready, pouring the resin mortar in the holes, using a wooden mallet or a vibrator for providing assistance, and making gaps be filled with the resin mortar slowly; judging the pouring height and filling condition of the resin mortar, till all the holes are filled through pouring completely; after the resin mortar is cured, combining the contact surface with the polyvinyl chloride plate into a whole by connecting the contact surface with the filling holes in an inserted mode, and achieving the purpose of fixing the polyvinyl chloride plate.