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

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 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 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.