34results about How to "Guaranteed melting effect" patented technology

The invention belongs to the technical field of smelting furnaces, and particularly relates to an environment-friendly smelting furnace for a nickel-based alloy powder coating. The furnace aims to solve the problem that an existing smelting furnace is not energy-saving and environment-friendly. According to the technical scheme, the furnace comprises a smelting furnace body, a smelting furnace cover body, a material storage tank and a purification heat absorption tank, wherein the smelting furnace cover body is arranged on the smelting furnace body, the material storage tank is arranged on thesmelting furnace cover body, a material conveying pipe is arranged on the material storage tank, a liquid storage cavity is formed in the material storage tank, a connecting pipe communicates the liquid storage cavity and the purification heat absorption tank, a water pump is arranged on the connection pipe, a liquid discharge pipe is arranged on the material storage tank and communicates with the liquid storage cavity, the purification heat absorption tank is arranged on the smelting furnace cover body, one end of an air inlet pipe extends into the smelting furnace body, the other end of theair inlet pipe extends into the purification heat absorption tank, and a gas exhaust pipe is arranged on the purification heat absorption tank. According to the furnace, the operation is convenient,the safety performance is good, the heat preservation effect is good, the energy consumption is reduced, waste gas in the smelting process can be purified, the heat in the waste gas can be absorbed and utilized, and the energy-saving and environment-friendly effects are realized.

The invention relates to the field of noble metal melting, in particular to a method for preparing a noble metal melting vessel, which solves the problems that the prior noble metal melting vessel consists of a formed crucible and an induction coil which are difficult to match with each other and do not closely contact each other, so that the metal melting effect is influenced. The method comprises: firstly, mixing zirconia and dextrin with different mesh numbers according to certain weight ratio, and adding water into the mixture for uniform mixing; secondly, tamping forming, namely placing a refractory bottom board at the bottom of the induction coil, wrapping two pieces of asbestos cloth inside the bottom board and the induction coil respectively, placing a model into the melting vessel, filling prepared raw materials on the periphery of the model, and performing tamping and demolding; thirdly, coating, namely preparing a zirconia phosphoric acid solution, and coating the zirconia phosphoric acid solution on the inner wall of the melting vessel; and fourthly, roasting. Due to adoption of the method, the melting vessel is closely matched with the induction coil and integrated into a whole, and has the advantages of high mechanical intensity and thermal stability, high temperature resistance, convenient manufacture, low cost and the like. Moreover, the melting vessel does not contain base metals and has long service life.

The invention belongs to the technical field of communication equipment manufacturing, and discloses a heating and cooling injection mold for a flame-retardant shell of a data interaction device, which solves the problem of poor injection molding quality of the existing shell made of flame-retardant plastic. The invention comprises a fixed mold installation plate and a fixed mold, the fixed mold is installed above the fixed mold installation plate, guide columns are arranged around the fixed mold installation plate, and the upper end of the guide column is covered with a movable mold installation plate A movable mold is installed under the movable mold mounting plate, the movable mold includes a movable mold cavity, the fixed mold includes a fixed mold cavity, and the movable mold cavity and the fixed film cavity together form a pouring cavity, and the pouring The mold cavity is connected with a pouring channel, and it is characterized in that the fixed mold includes a mold core and a template provided with a fixed mold cavity, a heating and cooling device is arranged between the mold core and the template, and the heating and cooling device includes a heat transfer module, Cooling and heating modules.

The invention discloses a uniform-heating fusion device for petroleum asphalt. The uniform-heating fusion device structurally comprises a stirrer, a stirring barrel, supporting columns, a heating disc, two heating rods, a discharging port, fixing angle iron, a control box, a stirring motor and a barrel cover, a thread at the front end of the stirrer and an internal thread of an open hole at the front end of the stirring barrel are in clearance fit, the heating disc is a cylinder and is horizontally welded at the bottom of the stirring barrel, the upper circle of the cylinder is big while the lower circle of the same is small, the heating rods are mounted between the supporting columns, the stirring motor is vertically fixed at the center of the top of the barrel cover through bolts, and astirring shaft at the bottom is fixed on the inner wall of the stirring barrel. The stirrer stirs beside the stirring barrel again; the stirrer is added beside the stirring barrel while middle stirring is performed and can fully stir petroleum asphalt beside the barrel, so that fusion effect is better.

The invention discloses a preparation method and device of a polyethylene molten spun filament of ultra-high molecular weight. On the basis of a conventional extruder, the structure of the extruder is improved, an end part of a sleeve extends out of a melting region and a compaction region, a raw material is extruded, melted and extruded into a silk, the silk is cured, reheated and drawn into a finished filament. The integral structure and process are simple; when the extruder is in a continuous working mode, the sleeve is a vacuum section, and the temperature of a melting region is 350 DEG C, so the melting effect of the polyethylene can be effectively protected without degradation.

The present invention relates to the field of noble metal melting, in particular to a method for preparing a noble metal melting vessel, which solves the problems that the prior noble metal melting vessel consists of a formed crucible and an induction coil which are difficult to match with each other and do not closely contact each other, so that the metal melting effect is influenced. The method comprises: firstly, mixing zirconia and dextrin with different mesh numbers according to certain weight ratio, and adding water into the mixture for uniform mixing; secondly, tamping forming, namely placing a refractory bottom board at the bottom of the induction coil, wrapping two pieces of asbestos cloth inside the bottom board and the induction coil respectively, placing a model into the melting vessel, filling prepared raw materials on the periphery of the model, and performing tamping and demolding; thirdly, coating, namely preparing a zirconia phosphoric acid solution, and coating the zirconia phosphoric acid solution on the inner wall of the melting vessel; and fourthly, roasting. Due to adoption of the method, the melting vessel is closely matched with the induction coil and integrated into a whole, and has the advantages of high mechanical intensity and thermal stability, high temperature resistance, convenient manufacture, low cost and the like. Moreover, the melting vessel does not contain base metals and has long service life.

The invention relates to a production formula for alkali-resistant glass marble in building material industry, a production method and a production kiln thereof. The invention is reasonable in selecting weight proportions of ingredients, which is favorable for the control of quality system, and the produced finished product of the glass marble has high clarity and good quality; the entire technological process consists of screening, weighting and mixing raw materials, founding and discharging, the technology is simple and the operation is convenient; using a horseshoe-fired furnace for producing the alkali-resistant glass marble solves the technical prejudice in a long term that the horseshoe-fired furnace is unsuitable for the production of the alkali-resistant glass marble; a general glass marble kiln is utilized to realize the production of the alkali-resistant glass marble without improving kiln refractory, which has the advantages of large production scale, easy control and regulation for the production process, good scale effect and prominent energy-saving effect; the cost is dramatically reduced while the production rate is greatly improved in contrast to a full-electric melting kiln.

The invention relates to the technical field of asphalt sampling, and discloses a quantitative type indoor solid-state asphalt quick heating and extracting system. The quantitative type indoor solid-state asphalt quick heating and extracting system comprises a spiral sampling transmission rod and a barrel body, wherein the barrel body is arranged at the outside of the spiral sampling transmissionrod in a sleeving manner, an opening is formed in one end of the barrel body, a heating chamber is arranged in the barrel body, one end of the spiral sampling transmission rod penetrates into the heating chamber, and the other end of the spiral sampling transmission rod extends towards one side with the opening of the barrel body. Through adoption of the quantitative type indoor solid-state asphalt quick heating and extracting system disclosed by the invention, the problems that the asphalt sampling operation is tedious and the asphalt samples are easy to age can be solved.

The invention discloses an energy-saving and environment-friendly sulfur melter, which comprises a tank body, the upper end of the tank body is connected with a feed pipe, the feed pipe is equipped with a first valve, and the lower end of the tank body is connected with a discharge pipe. The second valve is installed on the discharge pipe, the inner shell and the outer shell are sleeved on the outside of the tank from the inside to the outside, and the upper end of the feed pipe runs through the inner shell and the outer shell in turn. And respectively sealed with the inner shell and the outer shell, the lower end of the discharge pipe runs through the inner shell and the outer shell in turn and is respectively sealed with the inner shell and the outer shell, and the tank body and the inner shell are provided There is a heating mechanism. The advantage is that by filling the heat conduction oil between the tank body and the inner shell, the loss of high temperature energy during the transfer process is reduced, and the heat can be evenly transferred to the inside of the tank body, thereby ensuring the melting effect of the tank body and effectively The sulfur vapor in the exhaust gas is removed, and it can be fully recycled to improve the utilization rate.

The invention discloses luminescent glaze for enamel painted porcelain and a preparation method and application thereof. The luminescent glaze for enamel painted porcelain comprises basic glaze for the enamel painted porcelain and a protective-glaze luminescent material, wherein the protective-glaze luminescent material is prepared by firstly mixing and then repeatedly braking the flux for the protective-glaze luminescent material and a luminescent material, and the flux for the protective-glaze luminescent material comprises the following components in percentage by weight: 42-48 percent of SiO2, 3-7 percent of SrO, 15-21 percent of B2O3, 0.2-1.2 percent of Al2O3, 3-7 percent of Li2O, 2-7 percent of Na2O, 1-3 percent of K2O, 0.6-3.8 percent of metal fluoride, 2-3.5 percent of P2O5, 0-0.5 percent of Ta2O3, 0-1 percent of Nb2O5, 0-0.5 percent of ZrO2, 0-3 percent of CeO2, 0-0.5 percent of La2O3, 0-2 percent of Y2O3, 5-10 percent of ZnO, and 0-5 percent of MgO. According to the luminescent glaze for the enamel painted porcelain provided by the invention, the thermal stability and luminescence properties of the luminescent material can be guaranteed so as to improve the luminance and luminous time of the prepared painted porcelain after irradiation, while the various characteristics of the traditional enamel painted porcelain can be maintained.

The invention provides a method for melting EPS wastes. The method comprises the following steps that firstly, according to the daily treating capacity of the EPS wastes, a melting box is prepared, one end of the melting box is opened to form a waste inlet, and a melt collecting box is movably placed in the melting box; then the EPS wastes are cleaned, and sundries are removed; then the EPS wastesare placed in the melting box from the waste inlet, an intelligent controller is started, the melting temperature is regulated well, and a high-temperature region is formed in the melting box; afterbeing placed in the melting box, the EPS wastes are melted under the high temperature of the high-temperature zone to form melts; during melting, the produced waste gas is exhausted out by an externalfan from a waste gas outlet, and is transported to the other end of the melting box through a waste gas pipe, so that the waste gas is subjected to high-temperature treatment, and an air circulationis formed in the melting box; and after being fully collected, the melt collecting box is drawn out from the melting box.

The invention provides an outdoor unit and a control method thereof, and an air conditioner. The outdoor unit comprises a controller, a base tray (1) and an outdoor heat exchanger (2), a microwave heating device (3) and / or an infrared heating device are / is arranged in a manner of corresponding to the base tray (1), a heating part of the microwave heating cavity (3) and / or a heating part of the infrared heating device face / faces the base tray (1), and can heat the base tray (1), a temperature sensor is arranged on the base tray (1), and is electrically connected to the controller, and the controller controls the microwave heating device (3) and / or the infrared heating device according to the temperature, detected by the temperature sensor, of the base tray (1). According to the outdoor unit, the deicing effect of the outdoor unit can be improved, and the friction between fan blades and an ice block can be effectively avoided.

The invention discloses a tin melting furnace for producing tin ingots and belongs to the technical field of tin ingot production equipment. A lining is arranged in a furnace body, electric heaters are arranged between the lining and the furnace body, the electric heaters are connected with an external power supply through wires, a feeding opening and a discharging opening are arranged in the furnace body, a supporting rod is arranged on the lining, hydraulic pumps are arranged in the supporting rod, push plates are arranged outside the supporting rod, the hydraulic pumps are connected with the push plates through hydraulic rods, the amount of the push plates is two or more than two, movable plates are arranged at the upper ends of the push plates, the movable plates are connected with thepush plates through rotating shafts, pushers are arranged on the push plates, the pushers are connected with the movable plates, movable angles of the movable plates are 30 to 45 degrees, and a thermal-insulation layer is arranged outside the furnace body. The movable plates are driven by the pushers to move fro and back, so that the melting effect is improved; the thermal-insulation layer is used for thermal insulation, and energy is saved.

The invention relates to a high-efficiency detection method for particle steel, which includes: sampling the particle steel three times, determining the quality difference coefficient Z according to the sample ratio, and then processing the sample to ensure the representativeness of the sample, sieving the sample, and classifying the sample. It is the rough material group, the sieve material group, and the sieve material group. At the same time, the above sample groups are measured to determine the particle steel irregularity coefficient G and estimate the estimated particle steel water yield Y0 according to the preset rules, and determine Estimate whether the water yield Y0 can be used as the final total water yield. If not, melt the particle steel, and accurately adjust the current and melting time of the high-frequency reaction furnace during the melting process to ensure the melting effect, so as to determine the particle steel Water yield.

The invention relates to a rod clamping mechanism for an efficient rod changing and wire drawing feeding device. The rod clamping mechanism is used for solving the technical problems that an existing rod clamping mechanism is tedious and troublesome in operation, low in efficiency and poor in quartz rod positioning precision. The rod clamping mechanism for the efficient rod changing and wire drawing feeding device comprises a fixed clamping plate, a transverse guide rod, a movable clamping plate, a sliding rod and a driving mechanism. The sliding rod is driven by the driving mechanism to move so as to drive the at least two connecting rod groups to act, and each connecting rod group drives the two movable clamping plates to synchronously move towards the corresponding fixed clamping plates, so that the two rows of quartz rods are synchronously clamped. The quartz rod clamping device has the advantages of being convenient, fast and efficient to operate, high in quartz rod positioning precision and uniform and consistent in clamping force on all quartz rods.