240results about How to "Has a cooling effect" patented technology

The invention discloses a laser cladding nozzle convenient for cooling, comprising a nozzle wick and a connector which is connected above the nozzle wick and is externally connected with a laser system, wherein the nozzle wick is provided with a light beam channel, cooling cavities and a plurality of powder feeding channels; the cooling cavities are formed by the periphery of the light beam channel and the periphery of each powder feeding channel; the outer side wall of the upper end of the nozzle wick is provided with powder inlets communicated with the powder feeding channels and a water outlet communicated with the cooling cavities respectively; the lower end of the nozzle wick is provided with powder outlets communicated with the powder feeding channels and a water inlet communicated with the cooling cavities; and the water inlet and the water outlet are respectively connected with a cooling system externally. The invention also discloses a manufacturing method of the nozzle, comprising the steps of model drawing, slicing treating, rapid forming, after-treatment, etc. The nozzle has simple structure, high cooling effect and better powder feeding quality and is directly manufactured by the rapid forming method, thus design of the nozzle is free from limitation of the traditional processing methods and the structure of the nozzle is further diversified.

The invention provides a polyolefin color masterbatch having an infrared reflection effect. The polyolefin color masterbatch comprises, by weight, 40 to 85% of a carrier resin, 5 to 35% of an infrared reflection pigment, 0 to 15% of color blending pigments, 2 to 15% of a dispersant and 5 to 10% of an anti-aging agent. The color masterbatch has the function of infrared camouflage and the effect oflowering down temperature.

Methods and systems are provided for estimating a cooling demand of a vehicle powertrain component and selecting a mode of operation of a vehicle cooling system based on the estimated cooling demands of the vehicle powertrain component and the energy usage of the cooling system components. Based on the selected operating mode, each of a radiator fan speed, a coolant system pump output, a vehicle grille shutter opening, and an opening of vents coupled to a powertrain component insulating enclosure may be concurrently adjusted to minimize the cooling parasitic losses while satisfying the cooling requirements of the vehicle.

The invention discloses a spray header of a garden spraying device, and belongs to the technical field of spraying devices. The device comprises a bottom plate, wherein the lower portion of the bottomplate is fixedly connected to universal wheels, a water filtering cavity is arranged above the bottom plate, the surface of the water filtering cavity is provided with a scale display column, the upper portion of the water filtering cavity is provided with a medicine inlet and a water inlet, the left and right sides of the water filtering cavity are provided with spraying devices, each spraying device comprises a water outlet pipe, the upper end of each water outlet pipe is connected to a corrugated pipe, the water outlet end of each corrugated pipe is connected to a sprayer, each water outlet pipe and corrugated pipe are respectively connected with a control valve, and an adjusting hoop is arranged under each control valve. The spray header of a garden spraying device has the advantagesthat the spraying efficiency is high, the spraying angle can be vertically rotatably adjusted during the spraying process, the working water jet capacity can be controlled, the sprayed moisture can beatomized, dehydration of roots or death of plants do not occur, the device moves conveniently, and the operation is simple.

The invention relates to a warp-knitted spacing fabric dual-purpose cushion used both in winter and summer and a producing method thereof. The cushion has two faces respectively used in winter and summer and is provided with an independent support frame, and by the invention, the problems of deformation and the like during the processes of use, transportation, storage and the like of soft cushion type products can be effectively solved. The dual-purpose cushion is provided with a thermal cycle heating layer, a cool layer and the support frame, wherein the thermal cycle heating layer is provided with a heating system and a warp-knitted spacing fabric layer, and the heating system is arranged in the warp-knitted spacing fabric layer; the support frame is arranged around the thermal cycle heating layer and the cool layer. The processing method comprises the following steps of: manufacturing the support frame, the thermal cycle heating layer and the cool layer in sequence; placing the thermal cycle heating layer and the cool layer into the warp-knitted spacing fabric reinforced composite support frame, assembling with a warp-knitted spacing fabric reinforced composite plane three-dimensional forming component, fixing the support frame together with the thermal cycle heating layer and the cool layer, and combining to obtain the warp-knitted spacing fabric dual-purpose cushion used both in winter and summer.

The invention discloses an ultraviolet resistant cold-feeling finishing fabric and a processing method thereof, and application of a silica coated dodecanol microcapsule to ultraviolet resistant cold-feeling finishing fabric. The fabric is characterized in that the inner surface and outer surface of the fabric and the interior of the fabric are distributed with silica coated dodecanol microcapsules. The processing method of the fabric comprises the step that the silica coated dodecanol microcapsules are finished to the fabric by using a padding method. The microcapsule particles have size distribution of 0.2-6 mum; in the padding process, rolling waste rate is 80-90%; a capsule dosage is 40-60g / L; drying conditions include a temperature at 80-100 DEG C and a time of 3-5 min; and baking conditions include a temperature at 140-160 DEG C and a time of 1-2 min. A polyurethane adhesive can be used together with the microcapsules. The fabric has ultraviolet resistant and cold-feeling effects.

The invention provides an equipment cabinet system and exhaust equipment thereof. The equipment cabinet system comprises a closed equipment cabinet, a rack and a heat sink. The rack is arranged inside the closed equipment cabinet. The heat sink is contained in the closed equipment cabinet, the heat sink and the rack are adjacent and parallel, and the heat sink and the rack altogether enable inner space of the closed equipment cabinet to be divided into a cold blast channel and a hot blast channel. The heat sink is provided with an air outlet and an air inlet, the air outlet is arranged corresponding to the cold blast channel, and the air inlet is arranged corresponding to the hot blast channel. Therefore, the heat sink and the rack are adjacent and parallel and altogether enable the inner space of the closed equipment cabinet to be divided into the cold blast channel and the hot blast channel, so that servers which are arranged inside the rack in a stacked mode can all be evenly cooled, and thus the equipment cabinet system has good energy service efficiency.

The invention relates to a composite acetate fiber non-woven material applicable to cigarette filters and a preparation method of the composite acetate fiber non-woven material. The composite acetatefiber non-woven material is prepared by mixing acetate fiber and other fibers, wherein the other fibers is one, two or three of polylactic acid fibers, metal fibers and carbon fibers. The composite acetate fiber non-woven material comprises 5-99wt% of cellulose acetate fibers and 1-95wt% of non-acetate-fiber material. The preparation method includes: opening the cellulose acetate fibers, mixing with the non-acetate-fiber material, carding, lapping, and performing spunlace to obtain the acetate fiber non-woven material. The acetate fiber non-woven material has a certain heat absorption effect and certain filtering performance and can lower smoke temperature and filter harmful components in smoke. After fiber mixing, the tensile strength of the non-woven material is enhanced, and the strength requirement of the cigarette filters produced by the non-woven material can be satisfied. The composite acetate fiber non-woven material can be used to produce incombustible cigarette filters.

The invention relates to a method for synthesizing aluminium oxide powder by using a combustion method, and belongs to the technical field of chemical synthesis of powder materials. The method comprises the following steps: (1) ignition: continuously or intermittently igniting in a reaction device; (2) oxygen delivery: feeding oxygen into the reaction device; (3) aluminum powder conveying: conveying aluminum powder with the grain size less than or equal to 100 mu m into the reaction device through gas; (4) combustion: igniting the aluminum powder so that the aluminum powder is combusted in oxygen; and (5) cooling: cooling combustion products and collecting the combustion products to obtain the aluminium oxide powder. The problem that preparation of aluminium oxide powder by an existing aqueous solution method has lots of procedures, and is long in production period and large in water consumption is solved. Water is not used in the method, and the aluminium oxide powder which has the size of nanoscale or above and has the various purities of 2N-6N is obtained at one step by using aluminum as a raw material; and the product is high in purity, low in sodium content, uniform in particle size, good in dispersibility and good in spheroidization. A synthetic process is short in technological process, the equipment is simple, the cost is low, energy consumption is low, synthesis efficiency is high, pollution does not exist, and waste gas, waste water and solid wastes do not exist.

The invention belongs to the technical field of cigarettes and particularly relates to a composite filter tip. The composite filter tip comprises a tobacco rod (6), a first hollow filter (2) and a second hollow filter (7), wherein the tobacco rod (6) is formed by wrapping a tobacco material with first tipping paper (5); the first hollow filter (2) is formed by wrapping a polymer fiber material with third tipping paper (3) and is provided with a first hollow cavity (4); the second hollow filter (7) is formed by wrapping a polymer fiber material with fourth tipping paper (8) and is provided with a second hollow cavity (9); the tobacco rod (6), the first hollow filter (2) and the second hollow filter (7) are connected and are wrapped with second tipping paper (1), and the composite filter tip is obtained. The invention further discloses an application of the composite filter tip in reducing the content of aldehyde substances in smoke of the heating and incombustible cigarette.

The invention provides a composite plate emery wire cutting machine. The composite plate emery wire cutting machine comprises a coordinate table, a wire conveying mechanism, a fixed holding device, a floating pressing vibration damper, a vacuum pump powder suction system and a digital program control system. According to the working process of the cutting machine, a to-be-cut nonmetallic plate is clamped through clamps on the coordinate table, a steel ball on the fixed holding device holds the nonmetallic plate, and a steel ball on the floating pressing vibration damper presses the nonmetallic plate so as to reduce vibration and frictional resistance of the nonmetallic plate during cutting; an emery wire deviation-proof device reduces transverse and longitudinal vibration during emery wire cutting; the wire conveying mechanism makes an emery wire move, the digital program control system operates a program to control the coordinate table to drive the clamp X and the clamp Y clamping a workpiece to move, and then the cutting shape of the machined workpiece is controlled; and nonmetallic powder generated during cutting is sucked and cleared away by the vacuum pump powder suction system always operating during machining.

The invention relates to an exterior wall coating with a solar heat reflecting function and a preparation method of the exterior wall coating. The exterior wall coating with the solar heat reflecting function is prepared from the following components: water, an emulsion, a self-made solar heat reflecting powder, titanium dioxide, calcined kaolin, calcium carbonate, talcum powder, a wetting agent, a dispersing agent, a defoaming agent, an antibacterial preservative, a coalescing agent, an antifreezing agent and a thickening agent. The exterior wall coating with the solar heat reflecting function is relatively high in total solar energy reflectivity, capable of playing a favorable heat insulation effect after being thinly coated and also capable of avoiding the condition that a film is crude and nonresistant to dirt.

The invention provides a manual diamond wire cutting machine, comprising: a bed, a gear transmission device, a crank slider guide rod mechanism, a wire take-up and release device, a fixed supporting and floating pressing device, a wire transporting mechanism, and a fixed workbench. The working process of the whole machine is: the motor drives the driving gear to rotate, so that the two working gears with the same geometric size meshing with the upper and lower gears respectively rotate, and cranks with a phase difference of 180 degrees and equal eccentricity are installed on the working gears. The shaft is connected with the slider guide rod through the rolling bearing, which converts the rotary motion of the working gear into the linear reciprocating motion of the upper and lower slider guide rods. In the working section of the emery line, the non-metal plate is pressed by the floating pressing material and the fixed supporting device, so that the instantaneous forward movement distance and speed of the emery line installed on the guide rods of the upper and lower sliders are equal to the instantaneous backward movement distance and speed, and the alignment is completed. Reciprocating cutting of non-metallic workpieces.

The invention provides a smoking set, which comprises an elongated shell, a power source, an opening, a cavity and an airflow passage. The power source is arranged in the shell, the end of the shell is provided with the opening, the cavity extends along the shell from the opening longitudinally and used for cigarette storage, and the airflow passage extends longitudinally along a gap between a cigarette and the shell and internally provided with a blocking layer for weakening transverse air flowing. By arrangement of the blocking layer for weakening transverse air flowing in the airflow passage, outward heat diffusion is blocked while a tube wall cooling function is achieved; the blocking layer is intrinsically made from a heat insulation material, the speed of heat diffusion from the storage cavity to the tube wall is sharply decreased while air is partitioned into multiple parts; due to a large contact area between the blocking layer and the flowing airflow, intrinsic heat of the blocking layer and heat of the outer wall of the shell are effectively taken away by air flowing in smoking, so that cooling of the tube wall of the shell is realized.

The invention relates to a dry-wet-combining multi-stage dust removing device for a mine. The dry-wet-combining multi-stage dust removing device comprises a Venturi-tube dust capturing mechanism arranged on the outer side of a dust removing device box, a cyclone-dust-remover first-stage dry dust removing mechanism arranged in the dust removing device box and a water-spray-dust-removing second-stage wet dust removing mechanism arranged in the dust removing device box. As traditional draught fan dust sucking is replaced with Venturi tube dust sucking, a better safety effect and a better energy saving effect are achieved, and the dry-wet-combining multi-stage dust removing device can adapt to more working environments; as a cyclone dust remover serves as a mine-dust first-stage processing module, most of respirable dust can be removed, workloads of spray dust removing are reduced, and a large number of water resources are saved; as spray dust removing is used as second-stage dust removing, the dust removing effect is improved, and meanwhile the cooling effect is achieved. The dry-wet-combining multi-stage dust removing device is simple in structure, convenient to use, low in production cost, good in dust removing effect and good in large-scale popularization performance accordingly.

The invention discloses a rice dust removing device. The rice dust removing device comprises an upper cylinder and a lower cylinder; the upper cylinder is fixedly connected to the top of the lower cylinder; a rice scattering disc is arranged on the upper cylinder; a rice inlet hole is formed in the rice scattering disc; a mesh-shaped stop rod disc is fixedly connected into the rice inlet hole; water spraying pipes are peripherally distributed on the upper cylinder, and are connected with atomizing nozzles towards the inner side of the upper cylinder; air inlet holes are uniformly distributed in the axial direction of the lower cylinder; a water sucking cylinder is fixedly connected into the lower cylinder; spiral blades are arranged on the outer side wall of the water sucking cylinder; water sucking holes are uniformly distributed in the axial direction of the water sucking cylinder; and the water sucking cylinder is filled with water sucking materials. The invention further discloses a rice dust removing process; and the rice dust removing process comprises the steps of: (A) rice feeding; (B) rice scattering; (C) dust removal through water spraying; and (D) water and dust suction. The device directly uses atomized water for being matched with the water sucking cylinder to remove dust on the surface of rice; water can cool the rice, and can remove the dust, so that the dust removing effect is guaranteed, and the rice particle quality is guaranteed; and meanwhile, the process steps are simplified, so that the dust removing efficiency is improved.

The invention relates to the technical field of engineering plastics, and discloses modified engineering plastic and a preparation method thereof. The engineering plastic comprises the following components: in parts by weight, 80-90 parts of PC resin, 4-6 parts of a stabilizer, 2-5 parts of a toughening agent, 5-10 parts of a lubricant and 3-5 parts of an antioxidant BHT, and a halogen-free flameretardant is also included, and comprises 7-10 parts of p-aminophenyl boronic acid and 3-6 parts of magnesium hydroxide. The modified engineering plastic has the following advantages that a synergistic flame retardant effect is achieved by magnesium hydroxide and p-aminophenyl boronic acid, on the one hand, the amount of magnesium hydroxide can be reduced, and on the other hand, a double-layer flame retardant structure is formed through a magnesium oxide protective film and a B-O-C carbon layer, so that a better flame retardant effect is achieved.

The invention provides a geological survey drilling device and belongs to the technical field of geological survey. The problem that an existing geological survey drilling device is simplex in function is solved. The geological survey drilling device comprises a base. A traveling mechanism is arranged on the lower portion of the base. A workbench is arranged on the upper portion of the base. The workbench is fixed to the base through a connecting support. A drilling machine is fixed to the lower portion of the workbench. The drilling machine is a hydraulic drilling machine. The drilling machine is detachably connected with a drill bit. A working hole used for allowing the drill bit to penetrate through is formed in the base. The drill bit comprises a connecting part used for being connected with the drilling machine, and a working part used for drilling. A storage groove is formed in the base. A geological survey hammer is arranged in the storage groove. A deposit groove is formed in the base. A soil sampler is arranged in the deposit groove. The geological survey drilling device has the advantage of various functions.

The invention relates to an energy-saving tunnel drying oven. The energy-saving tunnel drying oven comprises an outer shell, an inner shell, an air channel, a conveyor belt, a heat exchanger, an air inlet, a heat pump system, fans, heating devices, an air flow distributor, an air exhaust pipe and the like. Outside air enters the air channel through the air inlet, the air is preheated by the heat exchanger, heated by the heat pump system and subjected to auxiliary constant temperature keeping by the heating devices, and the air heats and dries heated objects on the conveyor belt; and through distributing of the air flow distributor, the part of hot air is subjected to heat exchanging by the heat exchanger and then exhausted through the air exhaust pipe, and the other part of hot air is mixed with new air preheated by the heat exchanger, heated by the heat pump system and heated by the heating devices, then heats and dries the heated objects, and is distributed by the air flow distributor, in this way, heat energy in the air is circularly utilized, the energy is saved, and the heating efficiency is improved. When the working environment temperature is high, the heat pump system can further be used for cooling the working environment while being used for heating the air.

The invention belongs to the technical field of bridge construction, and particularly relates to punching equipment for a bridge construction site. The punching equipment is put forward to solve the problems that existing punching equipment for bridge construction is inconvenient to use, the time and labor are wasted, the working efficiency is low, a drill rod cannot be cooled, the service life ofthe drill rod is affected, and job schedule is influenced. The punching equipment comprises a top plate, wherein four supporting legs are fixedly installed at the bottom of the top plate, universal wheels are arranged at the bottoms of the four supporting legs, a perpendicular plate is vertically and slidably installed on the top plate, a motor installing plate is fixedly installed at one side ofthe perpendicular plate, a double-end motor is arranged on the motor installing plate, a lifting screw rod is fixedly installed on an output shaft of the double-end motor, a lifting screw hole is formed in the top plate, and the lifting screw rod is in threaded connection with the lifting screw hole. The punching equipment is convenient to operate, manual punching is avoided, the labor is saved,and the working efficiency is improved; and meanwhile, the punching equipment has the effects of collecting dust and cooling the drill rod, so that the situation that the temperature rise of the drillrod influences the service life of the drill rod is avoided.