29results about How to "Reduce dryness" patented technology

This invention discloses a high-performance vitrified microsphere composite polystyrene particle insulation board and its preparation method, comprising the following steps: premixing hydrophobic vitrified microspheres and expandable polystyrene particles coated with expanded graphite at a mass ratio of (2.5~4):1 to obtain composite lightweight aggregate. The insulation board prepared by this invention, with a dry density of only 184-193 kg / m³, exhibits a compressive strength as high as 0.275-0.302 MPa, significantly superior to traditional inorganic insulation boards (0.15-0.25 MPa) and organic insulation boards (0.10-0.15 MPa); its thermal conductivity is as low as 0.034-0.041 W / (m·K), and its insulation efficiency is more than 40% higher than that of traditional inorganic materials, while also possessing Class A fire safety performance; furthermore, the process is simple and controllable, with an industrial solid waste utilization rate of up to 70%, demonstrating significant economic benefits and environmental value, and possessing broad prospects for widespread application.

The utility model relates to walnut processing equipment technical field discloses a kind of self-cleaning intelligent walnut green skin step-by-step pressing solid-liquid separation equipment, including rack, the rack right side outer wall is fixedly connected with driving motor, the rack top is fixedly connected with protective housing, the protective housing inside is rotatably connected with screw shaft by bearing, the screw shaft outer wall is fixedly connected with helical blade, the protective housing inside is fixedly connected with filter screen, the driving motor output end and the screw shaft outer wall between are connected by belt pulley, the protective housing top is provided with cleaning assembly, the protective housing outer wall is provided with extrusion component. In the utility model, adopt three-step-by-step pressing structure, through the design of screw shaft diameter increment and helical blade pitch decrease, gradually enhance pressing pressure, fully extrude walnut green skin material. After juice is efficiently separated by filter screen, juice extraction rate is significantly improved, and residue dryness is greatly reduced, to ensure that juice extraction is complete.

The utility model discloses a tampon which comprises a tampon assembly, a wrapping ring, a pull rope fixed at the bottom end of the wrapping ring, an elastic ring fixed in an inner cavity of the wrapping ring, a leakage-proof ring fixed on the inner wall of the elastic ring and a film storage tube fixed in an inner cavity of the leakage-proof ring. A peculiar smell removing agent is stored in the thin film storage pipe; the flow guide holes are evenly formed in the wrapping ring, the inner-layer absorption cotton is fixed in an inner cavity of the wrapping ring, the inner-layer absorption cotton is located between the wrapping ring and the elastic ring, when the device is pressed, the film bag can be pinched broken, lubricating liquid is released, and the dry feeling in the using process is reduced; when menstrual blood is absorbed, one part of the menstrual blood is absorbed by the wrapping ring, and the other part of the menstrual blood is absorbed by the inner-layer absorption cotton through the flow guide holes, so that the expansion degree of the wrapping ring after too much liquid is absorbed is reduced, the extrusion of the device on the inner wall of the vagina is reduced, and the air permeability is improved.

This invention belongs to the field of fiber material technology, and relates to a composite fiber containing nano-natural tea fiber, its preparation method, and its application. The raw materials for preparing the composite fiber include nano-natural tea fiber and basic fiber pulp, wherein the nano-natural tea fiber is a yerba mate nanofiber microemulsion. This invention integrates nanotechnology into the preparation of natural tea fiber. The microemulsion method allows for the simultaneous and uniform dispersion of multiple effective components from tea leaves in the yerba mate nanofiber microemulsion, effectively showcasing the multifunctionality of the fabric. The microemulsion system exhibits high uniformity and long-term stability, eliminating the need for additional surfactants during spinning to achieve high dispersion of the nano-tea fiber in the spinning solution, ensuring the long-lasting effectiveness of the resulting functional fabric. Furthermore, yerba mate contains abundant tea polyphenols and unique yerba mate alkaloids, which further enhance the overall performance of the composite fiber.

This invention discloses the application of rice qGRB1 protein in enhancing rice resistance to the rice stem borer. This invention provides the application of qGRB1 protein, or substances regulating the expression of the gene encoding the qGRB1 protein, or substances regulating the activity or content of the protein, in regulating plant resistance to the rice stem borer. The qGRB1 protein may be a protein with the amino acid sequence of SEQ ID No. 1 or a protein with the amino acid sequence of positions 11-1455 of SEQ ID No. 1. Results show that introducing the qGRB1 gene into rice can significantly increase the expression level of qGRB1 in rice, and significantly improve rice resistance to the rice stem borer.

This invention discloses a method for preparing chili oil for hot pot that reduces dryness and spiciness while enhancing aroma, comprising: obtaining crushed chili peppers with a moisture content of 60-70%; weighing a predetermined weight of crushed chili peppers, adding 0-10% salt, 1-10% glucose or fructose, 1% lactic acid, 0.2-0.5% crushed chili stems, 0.5-1% yeast extract, and 50-100% water to obtain a fermentation mash; sterilizing the obtained fermentation mash at 121℃ for 10 minutes, and then transferring it to a sterile fermentation container; inoculating the fermentation mash with *Gnaphalium affine*, mixing evenly, and fermenting under anaerobic or low-oxygen conditions at 28-30℃ for 3 days; inoculating the fermentation mash with methyltrophic Bacillus and / or *Clostridium difficile*, mixing evenly, and then fermenting aerobically at 35-40℃ for 4-7 days. The preparation method provided by this invention can reduce the content of capsaicin in chili peppers used in hot pot, thereby reducing the dryness of hot pot; it can also increase the content of flavor substances in chili peppers while improving the dissolution ability of pigments in chili peppers in hot pot oil, and can replace the use of spicy broad beans in the preparation of hot pot.

The utility model belongs to the field of automobile part manufacturing, and particularly relates to a spraying device for a tire self-repairing coating, which comprises a processing bin, an air cylinder is fixedly connected to one side of the processing bin; the outer wall of the processing bin is slidably connected with a glass door; the output end of the air cylinder is fixedly connected with a coating storage device. Telescopic nozzles are fixedly connected to the two sides of the coating storage device; a Y-shaped spray head is mounted at the end part of the telescopic nozzle; a group of rotating motors are fixedly connected to one side of the processing bin; the output end of the rotating motor is fixedly connected with a rotating rod; the end of the rotating rod is rotationally connected with the inner side wall of the processing bin, the air cylinder can quickly and accurately reach the designated position, the moving time is shortened, the telescopic nozzle can make the spray head closer to the inner surface of a tire, waste caused by the fact that paint is sputtered to the outside of the tire is reduced, and the special structure of the Y-shaped spray head can disperse the paint into finer particles. The coating is more uniformly attached to the inner surface of the tire, and the phenomena of sagging, spraying leakage and the like are reduced.

This application discloses a vehicle refrigeration unit and its refrigeration system, belonging to the related technical field of vehicle refrigeration units. It includes an installation frame with a housing and an inner housing detachably mounted on both sides. An air outlet assembly is located at the top of the inner housing, and the assembly includes a vertically structured mounting plate. External and internal air outlets are respectively located on the two sides of the vertically arranged mounting plate. The beneficial effects of this application are: the refrigerant from the condenser is directly split. During this splitting, one path is throttled and cooled by a throttling device before entering the economizer, while the other path, the un-throttled mainstream refrigerant, enters the economizer. The two refrigerants undergo sufficient heat exchange within the economizer. The throttled, low-temperature refrigerant can more effectively absorb heat from the mainstream refrigerant, thereby significantly increasing the subcooling of the mainstream refrigerant. This results in a lower dryness and higher liquid ratio of the refrigerant entering the evaporator, leading to a higher cooling capacity per unit mass of refrigerant.

The application relates to the technical field of letterpress printing, in particular to a one-way driving device for film processing, which is characterized in that a one-way bearing is connected with a first driving motor and an oil absorption roller, independent driving of the first driving motor and the oil absorption roller is realized, the first driving motor is connected with the oil absorption roller through the one-way bearing, rotation of the oil absorption roller is no longer dependent on existence of a transmission assembly, the first driving motor independently drives the oil absorption roller to continuously rotate, and the situation that oil on the surface of the oil absorption roller is dried due to long-time static because the transmission assembly cannot transmit the rotating motion to the oil absorption roller is reduced; when the transmission assembly normally operates, the first driving motor does not operate, and the one-way transmission characteristic of the one-way bearing blocks reverse torque of the oil absorption roller from being transmitted to the first driving motor, so that the probability of reverse damage of the first driving motor is reduced.

This invention relates to a spray-formed microspherical modified titanium-silicon molecular sieve catalyst, its preparation method, and its application in the production of epoxide, belonging to the field of petrochemical catalyst preparation technology. The method first prepares a spray mother liquor containing titanium-silicon molecular sieves, alumina sol, and a pore-forming agent. Then, the spray mother liquor is spray-dried to form a spray-formed product. This product is then dried and calcined to obtain a catalyst precursor. A stable impregnation solution is prepared by mixing a silanizing agent, disodium ethylenediaminetetraacetate, and cyclohexane. The impregnation solution is used to impregnate the catalyst precursor using an equal-volume impregnation method. The catalyst precursor is then removed, dried, and calcined to obtain the spray-formed microspherical modified titanium-silicon molecular sieve catalyst. This catalyst can be applied in the catalytic liquid-phase epoxidation of butene to synthesize epoxide. The method of this invention effectively controls the catalyst structure, and by regulating the structure-property relationship, it greatly improves the production efficiency of epoxide.

The invention belongs to the technical field of soil reinforcement and ecological restoration, and particularly discloses a slope consolidation material based on carbon-iron synergistic microbial mineralization and an application method thereof, and the application method comprises the following steps: preparing a carbon-iron-containing consolidation base material, laying the carbon-iron-containing consolidation base material on the surface layer of a to-be-treated slope, and compacting; spraying a urease-producing microbial bacterial liquid to the slope surface on which the carbon-iron-containing consolidation base material is laid; after spraying the urease-producing microbial bacterial liquid for 1-4 hours, spraying a calcium-containing cementing liquid to the slope surface; and naturally curing for 7-28 days to form a microbial mineralization consolidation layer on the surface layer of the slope surface. The microbial mineralization consolidation layer obtained by the invention has the advantages of high compressive strength, strong wind erosion resistance, good water retention capacity, better ecological compatibility and the like, and is suitable for protection and ecological restoration of loess sandstorm slope surfaces and side slope surface layers.

This utility model relates to the field of respiratory therapy equipment technology, and discloses a mask pad, a nasal mask, and an oronasal mask. The mask pad includes a connecting portion, a pressure support portion, a contact support portion, and a facial contact portion arranged sequentially along the wearing direction. The connecting portion, pressure support portion, contact support portion, and facial contact portion constitute a single-layer pad. The contact support portion and the facial contact portion form a curved structure extending inward and bending towards the connecting portion. The pad is a single-layer membrane pad, which can optimize the support structure to relieve facial pressure, avoid the edge-cutting effect, and improve airflow guidance while ensuring a tight seal, thereby improving wearing comfort. This solves the technical problem of existing mask pads having a contradiction between sealing and comfort, and poor adaptability.

This invention relates to the field of biotechnology, and more particularly to the application of *Lactobacillus plantarum* SS18-119 and its fermentation products. The application of the aforementioned *Lactobacillus plantarum* SS18-119 in the preparation of products that improve eye function. The fermentation products obtained from the fermentation of the aforementioned *Lactobacillus plantarum* SS18-119 are used in any of the following (1)-(4): (1) preparing products that reduce the content of pro-inflammatory factors in the eyes; (2) preparing products that increase the content of anti-inflammatory factors in the eyes; (3) preparing products that relieve dry eyes; (4) preparing products that regulate the fundus. This invention utilizes the application of *Lactobacillus plantarum* SS18-119 in improving eye function, and has significant effects in preventing myopia and relieving eye fatigue.

The invention relates to the technical field of refrigeration, heating and heat pumps, and discloses an ejector synergistic double-evaporator heat pump drying system and method for material drying. The system comprises an air circulation loop and a refrigerant circulation loop. Wet air at an outlet of the drying chamber is sequentially cooled and dehumidified by the high-temperature evaporator and the low-temperature evaporator in a stepped manner, heated by the condenser and then returned to the drying chamber; the refrigerant circulation loop comprises a compressor, a condenser, an auxiliary condenser, an ejector, a high-temperature evaporator, a gas-liquid separator, a throttling element and a low-temperature evaporator. According to the heat pump drying system, the high-temperature evaporator and the low-temperature evaporator are arranged to cool air in a stepped mode, the average evaporation temperature is increased, meanwhile, the ejector is introduced into a loop to recycle expansion work, irreversible loss in the throttling process is reduced, and therefore the efficiency of the heat pump drying system is improved; and saturated liquid at the outlet of the gas-liquid separator enters the low-temperature evaporator after being throttled, so that the dehumidification capability of the low-temperature evaporator is effectively improved.

The utility model belongs to the technical field of respiratory apparatus, specifically relates to an oral cavity pasting formula breathing pipe, including the mutual connection of mouth bite device and pharyngeal cavity air duct, wherein, mouth bite device includes front end mouth, lip stop, tooth socket pipe and tooth stop, and front end mouth and lip stop are connected, and front end mouth and lip stop are connected, and lip stop is oval thin ring, and tooth stop is irregular oval ring, and lip stop and tooth stop are connected through tooth socket pipe, and tooth stop is arranged in the front end of pharyngeal cavity air duct, and front end mouth, tooth socket pipe and pharyngeal cavity air duct are all partial oval pipe body structure, and the front end surface of tooth stop, tooth socket pipe and the rear end surface of lip stop constitute tooth socket, and mouth bite device and pharyngeal cavity air duct are integrally formed.The utility model reduces even eliminates the symptom generation of lip part chapped, tongue front area mucous membrane dry and oral cavity ulcer, reduces the number of night awakening, alleviates snore frequency, improves sleep quality and daytime work efficiency, has the effective prevention of oral cavity pasting formula breathing pipe frequent drop out of the body, and can improve the comfort of wearing.

The application discloses an eye-protecting functional blueberry juice and a preparation method thereof, and relates to the technical field of functional beverage preparation. The blueberry juice comprises 30ml of blueberry juice, 5-8mg of lutein microcapsule powder, 1-2mg of corn xanthophyll microcapsule powder, 20-30mg of DHA algal oil, 5g of cassia seed extract liquid, 5g of chrysanthemum extract liquid and 30ml of auxiliary materials. The core raw materials of the application are all natural or functional raw materials which meet the national food safety standards and have the eye-protecting function.

This invention discloses a low-carbon foamed concrete wall panel production device and method. The production device includes a water storage tank for providing foaming liquid, a carbon dioxide foaming machine and an air foaming machine for generating gas-water solution foam through liquid foaming, a foamed concrete mixer for mixing the corresponding gas-water solution foam with concrete raw materials, and a wall panel mold frame for casting foamed concrete wall panels. The wall panel mold frame includes a movable base, several wall panel partitions arranged parallel to each other on the movable base, forming side plates arranged perpendicular to the wall panel partitions, and a curing mechanism for curing during the wall panel casting process. This invention can produce lightweight foamed concrete wall panel products with higher strength and denser structure, while increasing the carbon dioxide sequestration capacity, achieving high-efficiency and energy-saving production.

The utility model provides a kind of pressure monitoring equipment, including pressure monitoring equipment, the side of pressure monitoring equipment is provided with monitoring pipeline, the side of monitoring pipeline is provided with drying piece, the left and right sides of drying piece are all provided with joint, the side of joint is provided with fixed groove, multiple push rods that are circumferentially equidistant distribution are provided in fixed groove, the inside of drying piece is provided with activated carbon bag, the left and right sides of drying piece are all provided with filter screen.Set with drying piece, activated carbon bag, clamping block, clamping piece and other structures, utilize activated carbon bag to dry water vapor, avoid condensed liquid after water vapor condensation to enter monitoring pipeline and make pipeline blockage reduce the accuracy of pressure measurement, and the clamping block, clamping piece and other structures set make drying piece can be periodically replaced, guarantee the drying effect of drying piece to water vapor, to guarantee the result measured by pressure monitoring equipment more accurate, provide effective guarantee for normal production of production workshop.

The application discloses a drying and impurity removing device for artemisia annua plants, which comprises a mesh belt conveyor, a plurality of hot air machines arranged below the mesh belt of the mesh belt conveyor, a negative pressure recovery cover arranged above the mesh belt of the mesh belt conveyor, a negative pressure device in communication with the negative pressure recovery cover, a screening mechanism in communication with the negative pressure device through a hot air pipeline, a plurality of roller shafts connected to the screening frame, and a collecting frame arranged below the output end of the roller shafts. The application also discloses a drying and impurity removing method for artemisia annua plants. The artemisia annua plants are directly placed on the mesh belt conveyor, and the artemisia annua plants are dried by the hot air machines, so that the labor intensity is reduced, the efficiency is improved, and the loss rate of the artemisia annua plants is reduced. Meanwhile, the waste heat of the hot air machines is recycled and reused, the screening mechanism is further screened and impurities are removed by using the waste heat of the hot air machines, the whole drying process of the artemisia annua plants is shortened, and the mechanical damage to the artemisia annua leaves is effectively reduced.

The invention discloses a solder patterning preparation process suitable for a ceramic copper-clad substrate, which comprises the following specific steps of: S1, preparing a ceramic substrate, molding slurry into the ceramic substrate, and drying the ceramic substrate; s2, circuit printing is carried out, only a circuit pattern is subjected to silk-screen printing, and no solder is subjected to silk-screen printing in a non-pattern area; s3, brazing treatment is conducted, and a reaction layer capable of being wetted by the liquid brazing filler metal is generated; s4, film pasting exposure treatment: enabling ultraviolet light to penetrate through the mask plate to irradiate the photoresist surface of the product to be exposed, enabling the ultraviolet light to penetrate through the transparent part of the mask plate to cause photoresist reaction, and projecting a pattern on the mask plate onto the photoresist coating on the mother card; and S5, performing copper etching treatment, forming an etching pattern, controlling the etching speed, and forming a copper-solder-ceramic step. According to the invention, the use of solder is saved, the production process is simplified, the quality and performance of a product are improved, the pollution of a chemical solution to the environment is avoided, and the production cost is reduced.

This invention relates to the field of traditional Chinese medicine composition technology, and in particular to a ginseng-frog oil composition for reducing the dryness of ginseng and its application. The frog oil in the composition provided by this invention can significantly reduce the dryness caused by ginseng alone, specifically by reducing the levels of serum inflammatory factors (IL-6, TNF-α), malondialdehyde (MDA), and cortisol (CORT), increasing superoxide dismutase (SOD) activity, reducing saliva secretion, and decreasing animal thermoresponsiveness. This effectively solves the technical pain points of significant dryness caused by ginseng alone and its limited long-term application, achieving a "nourishing without drying" effect. The composition provided by this invention has high safety and reproducibility, consists of only two natural components, requires no additional excipients, and can be widely used in the preparation of mild tonic health products, pharmaceuticals, and functional foods, possessing good application prospects and promotional value.

The utility model discloses a refrigerating system and refrigerating equipment, and relates to the technical field of refrigerating equipment, the refrigerating system comprises a compressor, a condenser, a capillary tube and an evaporator, the compressor, the condenser, the capillary tube and the evaporator are communicated in sequence; the refrigerating system further comprises a gas-liquid separator, the capillary tube comprises a first branch tube and a second branch tube, the first branch tube is communicated with an outlet of the condenser and an inlet of the gas-liquid separator, and the second branch tube is communicated with a liquid outlet of the gas-liquid separator and a first inlet of the evaporator. The evaporator is further provided with a second inlet, and a gas outlet of the gas-liquid separator is communicated with the second inlet. According to the refrigerating system and the refrigerating equipment, noise can be reduced.

The application discloses a composition for treating rhinitis and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine formulae. The composition for treating rhinitis can effectively treat symptoms of nasal congestion and rhinorrhea, relieve nasal pain and dryness, stabilize the mood of a patient, and promote the exertion of drug efficacy. Meanwhile, the composition can eliminate inflammation, improve the microenvironment of a nasal cavity, promote metabolism waste to be discharged outside the body, improve the health and anti-allergy ability of the nasal cavity, and achieve the effect of treating both the symptoms and the root cause. The components are synergistically combined through fine proportioning and a specific decocting method, the effective components in the medicine are maximally reserved, the combination of the components is promoted, the prepared medicinal liquid is safe, has high safety, is suitable for a wide range of people, directly reaches the affected area, has smaller side effects on the body, can treat various types of rhinitis, is suitable for various treatment methods, and can break the curse that rhinitis cannot be radically treated.

The utility model relates to the technical field of high-pressure kettles, in particular to a high-pressure kettle convenient to wash, which comprises a tank body, a cover body is mounted on the outer surface of the tank body in a clamping manner, and an elastic buckling mechanism is arranged between an inserting buckle and the cover body. According to the high-pressure kettle convenient to wash, when the interior of the high-pressure kettle needs to be cleaned, the tank body and the cover body can be separated or mounted only by rotating the cover body, the buckle, the inserting buckle and the embedding clamping groove can be buckled, the tank body and the cover body can be rapidly connected, fixed and sealed, and meanwhile the tank body and the cover body rotate in place, so that the tank body and the cover body can be conveniently cleaned. According to the high-pressure kettle, the elastic plug pins can be inserted into the grooves of the plug buckles, so that when the main stirring motor rotates, the cover body cannot be separated from the tank body due to rotation, the tank body and the cover body can be firmer, compared with traditional bolt connection, the mounting and dismounting time can be greatly shortened, and the interior of the high-pressure kettle can be exposed more thoroughly when cleaned; and cleaning and flushing can be more convenient.

The invention provides a material bin and a material dehydration and degassing method, and relates to a material storage device. The material bin comprises a bin body, a material inlet is formed in the top of the bin body, a material outlet is formed in the bottom of the bin body, and a circle of round pipe is arranged on the lower portion in the bin body and tightly attached to the inner wall. A plurality of water collecting holes are evenly formed in the positions, close to the inner wall of the stock bin body, of the upper portions of the round pipes in the circumferential direction. And a plurality of gas injection holes are uniformly formed in the top of the circular pipe in the circumferential direction. The material in the stock bin can be degassed and dehydrated at the same time, the water content of the material can be reduced to the water content required by a product, the drying process is omitted, and the production cost of the material is reduced.

The utility model relates to the technical field of carton line pressing, and discloses a line pressing device of a paper separator for carton production, which comprises a base and rotating rollers, first side plates are vertically fixed on two sides of the middle position of the surface of the base, two rotating rollers are transversely and rotatably mounted between the first side plates on two sides, line pressing wheels are further mounted on outer rings of the rotating rollers, and the first side plates are vertically fixed on the base. Transverse plates are transversely fixed between the first side plates above the upper rotating roller and below the lower rotating roller, inner grooves are formed in the transverse plates, sponge blocks are embedded in the inner grooves, and the line pressing wheels make contact with the surfaces of the sponge blocks through openings which are formed in the surfaces of the transverse plates and communicate with the inner grooves. According to the technical scheme, the transverse plate is arranged above or below the rotating roller, the sponge block arranged in the inner groove is aligned with the line pressing wheel and makes contact with the line pressing wheel at the same time, the interior of the sponge block can be wetted with clean water, the line pressing wheel rotates to remove the clean water on the sponge block, and the dryness of a line pressing area of a paperboard can be reduced during line pressing; therefore, the quality of the final carton is ensured.

The application discloses a light autoclaved aerated concrete block and relates to the technical field of concrete blocks.The light autoclaved aerated concrete block comprises the following raw materials: cement, lime, base material, modified palygorskite, calcium sulfate dihydrate, aluminum paste, foam stabilizer and deionized water.In the application, the fibrous structure of the modified palygorskite can form a network framework in the slurry, fill the internal pores and block the capillary channels, so that the overall structural compactness and surface strength of the block are improved, and the drying shrinkage and water absorption are reduced.The alkyl benzene sulfonic acid sodium in the foam stabilizer can reduce the surface tension of the slurry and promote the generation of a large number of bubbles.Nano silicon dioxide can form a rigid support framework in the bubble liquid film to prevent the bubbles from merging or breaking.Polyvinyl alcohol forms an elastic protective film on the bubble surface, prolongs the bubble life, greatly improves the block closed porosity, guarantees the light weight of the block, reduces the drying shrinkage due to the uniformity of the pores, and improves the impermeability and overall strength.

The utility model discloses a heat dissipation structure of an electric actuator, which comprises an electric actuator shell and two groups of heat dissipation components, the two groups of heat dissipation components are respectively arranged on two sides of the electric actuator shell, each heat dissipation component comprises a connecting frame, the outer walls of multiple sides of the connecting frame are jointly and fixedly connected with a mounting plate, a mounting frame is fixedly connected in the connecting frame, and the mounting plate is fixedly connected with the mounting frame. A semiconductor chilling plate is embedded in the mounting frame, one side of the mounting frame is fixedly connected with a temperature conducting plate, the cold end of the semiconductor chilling plate is in contact with the temperature conducting plate, the temperature conducting plate is inserted into the electric actuator shell, and the other side of the mounting frame is fixedly connected with a cooling fin. According to the electric actuator, the heat dissipation assemblies are arranged on the two sides of the shell of the electric actuator, so that heat dissipation can be conveniently conducted on the interior of the shell of the electric actuator, the electric actuator is prevented from being in an open state, noise generated when the electric actuator operates is reduced, and drying of lubricating oil in the electric actuator is slowed down.

The application belongs to the technical field of pipeline butt joint, and particularly relates to an auxiliary butt joint equipment for pipeline welding, which comprises a butt joint table, a supporting frame, a butt-sending type splicing mechanism and a heat-conducting type end grinding mechanism. The supporting frame is arranged on the two sides of the butt joint table. The butt-sending type splicing mechanism is arranged on the upper wall of the butt joint table. The heat-conducting type end grinding mechanism is arranged at the middle position of the upper wall of the butt joint table. The butt-sending type splicing mechanism comprises a clamping assembly, a driving assembly and a pushing assembly. The auxiliary butt joint equipment for pipeline welding can grind the end face of the pipeline before butt joint, improve the smoothness of the butt joint end face of the pipeline, reduce the splicing gap, keep the butt joint area and the surrounding surface of the pipeline dry, and improve the welding quality.