51results about How to "Meet the needs of production and life" patented technology

The invention discloses a method for preparing an I-type snow melting agent from fly ash of waste. The method includes the steps of washing with water, heavy metal removal, decolorization, calcium removal and evaporative crystallization, realizes harmless disposal of fly ash, recycles waste material, produces the I-type snow melting agent has good economic benefit, can also produce calcium carbonate or calcium sulfate, greatly reduces cost of fly ash disposal, causes no emission of waste water in treatment process, and is energysaving and environmentally friendly.

The invention discloses a brick hearth type hot blast stove. The hot blast stove comprises a horizontal plane (1), an ash removing cover (2), an underground ash pit (3), a furnace door (4), a hydrochloric acid silica alumina plate (5), a second combustion chamber (6), refractory bricks (7), a first combustion chamber (8), a feeding hole (9), a heat exchanger (10), a vent hole (11), an access hole (12), a draught fan (13) and a secondary tuyere (14); the hearth of the hot blast stove are all built with the refractory bricks, a layer of the hydrochloric acid silica alumina plate is sandwiched in the middle and used for heat preservation and insulation, and the heat exchanger is arranged on the hot blast stove; materials used by the hot blast stove are the refractory bricks or refractory bricks and common bricks. The hot blast stove has the advantages of no damage to a pipeline by permanent combustion, long service life, high combustion efficiency, easiness for repair, low manufacturing cost and easiness for popularization.

The invention discloses a method for improving the hardness of tungsten alloy, which comprises the following steps: Step 1, weighing metal powder; Step 2, mixing materials; Step 3, isostatic pressing; Step 4, sintering; , take an appropriate amount of tungsten powder, nickel powder, iron powder and chromium powder respectively; Mix in the middle to obtain mixed powder; the mass percentage of tungsten powder in the mixed powder is 85%~98%, the mass ratio of nickel powder and iron powder in the described mixed powder is (1.8~3.0): 1, Cr adds The content is in the range of 0.04% to 2.0%. The sintered tungsten alloy of the present invention can increase the hardness of the tungsten alloy by adding the element Cr without further treatment by other methods, so that the hardness of the tungsten alloy can reach above HRC31, which can better meet the needs of people's production and life. .

The invention relates to a combined electric appliance fixing seat with a wire inlet device. The combined electric appliance fixing seat comprises a support seat, a base body and the wire inlet device, wherein the support seat comprises a detachable upper support plate, a lower support plate and two groups of support assemblies, chutes are formed in both sides of the upper support plate in a transverse direction, first bulges are arranged on the upper edges of the chutes in the forming direction of the chutes, and the support assemblies comprise four support rods and L-shaped connecting plates; the base body comprises a plurality of bottom plates, first round holes are formed in the middle of the bottom plates, an upper pressing plate is arranged above the first round holes, a sleeve is installed below the first round holes, a first damping spring sleeves the sleeve, and a lower pressing plate which is the same as the inside diameter of the sleeve is arranged in the middle of the uppersupport plate; and the wire inlet device comprises a boss arranged on the lower support plate and a containing cavity formed in the middle of the boss, and a wire and cable clip is arranged in the containing cavity. The combined electric appliance fixing seat has the advantages of the simple structure, easiness in removal and installation and good damping effect and is suitable for electric appliances of different sizes, less space is occupied after retraction, and electric appliance wires are safely arranged.

The invention discloses a composite binder for forming coal powder, which comprises the following components: 20-50wt% of coke powder, 10-50wt% of coal tar, 5-20wt% of quicklime, 2-10wt% of diboron trioxide or boron powder , 5-30wt% caking coal. The invention also discloses a method for preparing molded coal, which includes the following steps: (1) stirring the long-flame coal and the composite binder evenly to obtain a mixture; (2) putting the mixture into a molding device and pressing it into shape; (3) ) Pyrolytic treatment of the compressed mixture. The composite binder disclosed in the present invention has good thermal stability, wide sources of ingredients, low cost, no harmful impurities, and can also realize waste recycling; the method for preparing briquettes disclosed in the present invention is simple and wide in application It is suitable for large-scale production, and the obtained briquettes have high pyrolysis strength, compressive strength and drop strength, which can meet the needs of subsequent production.

The invention discloses a biomass back-burning multi-return low-carbon energy-saving blast stove, which consists of a stove door (1), a biomass back-burning hearth (2), a biomass back-burning fire hole (3), a biomass hearth (4), a biomass charging hole (5), a refractory material (6), a cold air inlet (7), a sealing plate (8), an air partition board (9), a biomass multi-return fire tube (10), a hot air outlet (11), a smoke receiving pipe hole (12) and an access door (13). The fire tube of the blast stove is vertically welded. A layer of refractory material is filled and compacted below the fire tube. Flame flows bottom up in the vertical tube and then returns top down in another channel to form a plurality of back-burning returns. The blast stove is made from iron plates, iron pipes and the refractory material. The biomass back-burning multi-return low-carbon energy-saving blast stove realizes full burning, has long service life, and is energy-saving and environment-friendly.

The invention discloses an air conditioner fresh air device, which comprises a casing (1), a fan (2) arranged on one side of the casing (1), an air outlet arranged on the other side of the casing (1), and the casing ( 1) The connected air inlet pipe (3), the air filter (4) on the air inlet pipe (3), the regulator (5) on the housing (1) and the regulator (5) through The control panel (6) connected by wires; the housing (1) is provided with a heating device (7); the air outlet is provided with a filter plate (8); the fan (2) and the heating device (7) are connected with The regulator (5) is connected in communication; the air outlet of the housing (1) is provided with a temperature sensor matching the regulator (5). The invention adopts the fresh air device of the air conditioner, and the structure design is reasonable.

The invention provides a reprocessing method and device of an EVA foamed product and a board made through the reprocessing method and device of the EVA foamed product and relates to the field of recycling of the EVA foamed products. The reprocessing method comprises the steps that the EVA foamed product or/and waste of the EVA foamed product is/are heated and fused into an EVA material; the EVA material and an auxiliary material are heated and fused into an auxiliary material-material mixture; and the mixed EVA material and auxiliary material are made to form a designated shape and/or a structure, wherein the auxiliary material is polyethylene or/and polyester fiber or/and polypropylene fiber. In this way, the ineffective product can be fully used as the raw material of the reprocessing method, on the one hand, the demand for recycling the EVA foamed product and/or the waste of the EVA foamed product can be met, and on the other hand, the produced new material or product can meet production and life demands of people. Hence, environmental protection can be facilitated, and huge commercial value is achieved at the same time.

The invention discloses a biomass environmental-friendly energy-saving steam boiler of a spiricle fire tube. The steam boilder is composed of a back combustion opening (1), a flame inlet (2), a flame outlet (3), a spiricle fire tube extruded edge (4), a spiricle fire tube (5), a water sleeve (6), an ellipsoidal end (7), a charging opening (8), a semi-gasification furnace chamber (9), a water grate (10) and a secondary combustion chamber (11), wherein the spiricle fire tube is welded in a furnace body vertically or horizontally, and the furnace body is sealed up and down with the flame inlet and the flame outlet remained; when in combusion, the flame enters the fire tube, is not discharged upward directly, but is guided by the extruded edge in the spiricle fire tube. The steam boiler provided by the invention has the advantages of full combustion, high heat utilization ratio, energy-conservation and emmission reduction and favarable economic benefit, and is easy to popularize and implement.

The invention discloses an accelerated orthodontic device for teeth, which comprises a housing (1), a tooth bracket arranged on the housing (1), a vibration device adapted to the tooth bracket and arranged in the housing, and a vibration device arranged in the housing and connected to the housing A control device that is compatible with the vibration device, the vibration device includes an eccentric wheel (301), a rotating gear (302) and a micro-motor (303), the rotation shaft of the micro-motor passes through the through hole of the shell and fits the tooth tray; the said The micro-motor is compatible with the control device; the control device includes a circuit control device, a power supply and control buttons. The circuit control device is equipped with a memory chip, a microcontroller chip and a circuit board, and the housing is provided with a circuit control device that is compatible with the circuit control device. the USB connection port (5). The invention loads the vibration force of a specific frequency on the tooth through transmission, and the direction and size change all the time, which can accelerate the flow of blood, and is beneficial to accelerate the formation of osteoclasts and osteoblasts in specific parts of the alveolar bone, thereby reducing positive abnormal time.

The invention discloses a biomass low-carbon energy-saving boiler with a spiral grain fire tube, mainly comprising a secondary burning chamber (1), a boiler bridge (2), a semi-gasification burning chamber (3), a feeding door (4), a banking smoke outlet (5), a fire outlet (6), a fire inlet (7), a water jacket (8), a spiral grain fire tube (9), a spiral grain fire tube convex edge (10), a smoke drum joint (11), an ash cleaning door (12) and a back burning port (13), wherein the spiral grain fire tube is vertically welded or welded in a boiler body in a balanced manner, the upper part and the lower part of the spiral grain fire tube are sealed, the fire inlet and the fire outlet are provided, and in burning, the flame enters the fire tube and is directed to move by the convex edge in the spiral grain tube without rising or being discharged directly. The biomass low-carbon energy-saving boiler has the advantages of full burning, high heat utilization ratio, energy conservation, emission reduction, easiness for promotion and implementation and better economic benefit.

The invention discloses a brick-built furnace-type biomass hot-water boiler which is composed of a fire grate (1), a ground level (2), a deashing opening (3), a boiler door (4), a biomass second furnace (5), a silicic acid aluminum plate (6), firebricks (7), a biomass semi-gasification furnace (8), a biomass feeding port (9); a biomass boiler (10), a back stroke furnace (11), a smoke pipe connecting port (12), a deashing door (13), a backfire port (14), an underground ash pit (15), a draught fan (16) and an air blower port (17); the biomass steam boiler furnace is built with the firebricks or the combination of the firebricks and common bricks, and a layer of silicic acid aluminum plate is sandwiched among the firebricks to play a role of temperature conservation and heat isolation, the upper part of the silicic acid aluminum plate is provided with the biomass boiler (10), and the underground ash pit (15) is arranged below the ground level (2). The boiler provided by the invention has low cost and long service life, and is easy to overhaul.

The invention provides a self-adaption sleeve and a spanner and relates to the field of production tools. The self-adaption sleeve comprises a central shaft, a shaft sleeve body and abutting components. A fixing hole is formed in the shaft sleeve body; sliding grooves are formed in the side wall of the fixing hole in the circumferential direction; the central shaft is arranged in the fixing hole;a mounting hole is formed in the central shaft in the axis direction; positioning holes are formed in the central shaft in the radial direction of the mounting hole and communicate with the mounting hole; the abutting components are arranged in the positioning holes correspondingly, one ends of the abutting components abut against the interiors of the sliding grooves correspondingly, and the otherends of the abutting components are used for abutting against a fastener; the abutting components slide in the corresponding sliding grooves so as to change the lengths of the portions, stretching into the mounting hole, of the abutting components, and accordingly, the abutting components can abut against fasteners of different specifications. The self-adaption sleeve can be used for production operation of bolts or nuts of different specifications and models, the production efficiency is improved, and the application cost is also lowered.

The invention discloses a planar diode, which comprises an anode lead (1) and a silicon dioxide layer (2), the N-type silicon layer (3) is compatible with the silicon dioxide (2) layer, and the N-type silicon layer (3) Covered with a P-type silicon chip (4), one side of the P-type silicon chip (4) is adapted to the silicon dioxide layer (2), and one side of the N-type silicon layer (3) is set There is a negative lead (5). The invention has reasonable structural design, low production cost, good use effect and meets the needs of production and life.

The invention relates to a marine bank-based dual-refrigerant combined type air conditioner. A refrigerating compressor is connected with a heat absorbing flow channel inlet of a plate heat exchanger through an air-cooled condenser, a liquid reservoir and a heating power expansion valve in sequence, the refrigerating compressor is connected with a heat absorbing flow channel outlet of the plate heat exchanger, an air heat exchanger is connected between the heat absorbing flow channel inlet and the heat absorbing flow channel outlet of the plate heat exchanger, a heat emission flow channel inlet of the plate heat exchanger is connected with the air heat exchanger through a heat exchanger water outlet pipe, and a refrigerant water pump communicated with the plate heat exchanger and the air heat exchanger and an air heat exchanger water outlet valve are arranged on the heat exchanger water outlet pipe. The connection and switching of a refrigerant water inlet pipe, a refrigerant water outlet pipe, a water inlet pipe and a water outlet pipe of the air heat exchanger and the plate heat exchanger is adopted, the marine bank-based dual-refrigerant combined type air conditioner is connected with an air conditioning water circulating system and an air circulating system of a vessel, in this way, the refrigeration function of air cooling or water cooling of a marine air conditioner after the vessel is berthed is achieved, the requirements for local area comfort, temperature reduction and dehumidification of the vessel are met, and the production and living demands in necessary equipment and cabins are met when the vessel is maintained or berthed in a dock.

The invention relates to the field of engines driven by fluids and specifically relates to an Organic Rankine Cycle generation device for low-pressure diffused steam and a use method for the same. The Organic Rankine Cycle generation device for the low-pressure diffused steam comprises a heat collector (1), an evaporator (2) and a condenser (6) and is characterized by comprising an energy storage working medium pump (3), a water pump (4), an organic working medium condensation pump (5) and a screw expander (7); and the evaporator (2), the organic working medium condensation pump (5), the condenser (6) and the screw expander (7) compose a generator set system. The use method for the Organic Rankine Cycle generation device for the low-pressure diffused steam is characterized in that the method is implemented at the successive steps that heat exchange is carried out between the low-pressure diffused steam and an energy storage working medium; heat exchange is carried out between the energy storage working medium and an organic working medium; and working medium steam works for the screw expander (7). The device provided by the invention has the advantages of high thermal energy use ratio and high adaptability.