39results about How to "Guaranteed heating rate" patented technology

The invention belongs to the field of waste disposal in petroleum industry, and relates to an industrialization scale pyrolysis treatment system for oily sludge. The industrialization scale pyrolysis treatment system comprises a feeding pre-separation unit for performing secondary screening and solid-liquid separation on the oily sludge, a drying pyrolysis unit for performing drying and pyrolysis reaction on the oily sludge, a dust removal and condensation unit for performing dust removal and condensation on a pyrolysis gas mixture generated by the drying pyrolysis unit, and a discharge treatment unit which receives and treats separated substances of the other units respectively. Solid or solid-liquid mixed waste such as the oily sludge can be finally treated to achieve reduction, stabilization, harmlessness and recycling.

The invention belongs to the field of metal amorphous composite materials, and discloses amorphous composite materials, and a preparation method and applications thereof. The amorphous composite materials comprise nickel, zirconium, titanium, niobium, aluminum and copper with a nickel-based amorphous phase as a matrix phase and beta-Ti and (Cu,Ni) Ti2 as reinforcing phases, and comprise the specific components according to the atomic percentage: 30-59 at.% of Ni, 10-24 at.% of Zr, 10-35 at.% of Ti, 7-10 at.% of Nb, 3-7 at.% of Al, 1-3 at.% of Cu, and the balance being inevitable trace impurities. The amorphous composite materials are prepared by rapidly sintering a nickel-based amorphous powder and a titanium-based amorphous powder. With control of the addition amount of the nickel-based amorphous powder, the amorphous composite materials with different amorphous phase content can be obtained. The amorphous composite materials are nearly fully dense, and can be applied in the fields of aeronautics and astronautics, military industry and the like.

The invention discloses a petroleum coke calcining rotary kiln, which comprises a rotary kiln(9); an insert plate valve(1) is arranged below a calcining front chamber; an adhesive tape constant feeder(2) is arranged below the insert plate valve, and an adhesive tape conveyer(3) is arranged behind the adhesive tape constant feeder (2) and connected with the rotary kiln(9) by an oblique cutting feed tipping tube of an electric insert plate valve(6); the tail part of the rotary kiln(9) is connected with a dust deposition chamber(8), and the head part of the rotary kiln(9) is connected with a cooling machine(16) and provided with a burner nozzle(13) and a burner nozzle hanger(14); the petroleum coke calcining rotary kiln is also provided with a one-time combustion fan(10) matched with the burner nozzle; and a dust-containing waste gas processing system(15) is arranged beside the cooling machine(16). The petroleum coke calcining rotary kiln has the advantages of improving the unit volume capacity, greatly enhancing comprehensive utilization of waste heat and adaptability of other calcining materials such as needle coke, anthracite and the like, reducing burning loss of charcoal, saving raw materials and energy, improving automatization level and reducing labor intensity of a worker.

The invention discloses a vertical recycling, drying and calcining furnace for SCR (selective catalytic reduction) denitration catalysts. The vertical recycling, drying and calcining furnace comprises a furnace body, a material transport return system, a fire-resistant heat-insulation system, a drying zone, a calcining zone, a cooling zone, a first electric heating system, a second electric heating system, a first internal hot-air circulation unit, a second internal hot-air circulation unit, a third internal hot-air circulation unit, a moisture removing system, a waste gas exhaust system, a cooling and aerating air system, a waste heat recycling system and a control system. The material transport return system is matched with the furnace body, the fire-resistant heat-insulation system is arranged in the furnace body, the drying zone, the calcining zone and the cooling zone are sequentially arranged in the furnace body, the first electric heating system is arranged in the drying zone, the second electric heating system is arranged in the calcining zone, the first internal hot-air circulation unit is arranged in the drying zone, the second internal hot-air circulation unit is arranged in the calcining zone, the third internal hot-air circulation unit is arranged in the cooling zone, the moisture removing system is matched with the drying zone, the waste gas exhaust system is matched with the calcining zone, the cooling and aerating air system is matched with the cooling zone, the waste heat recycling system is connected between the cooling zone and the calcining zone, and the calcining furnace can work under the control of the control system. The vertical recycling, drying and calcining furnace has the advantages that calcining conditions such as heating rates, product calcining cycles, waste gas contents and product temperature field uniformity can be accurately controlled and guaranteed, and accordingly quality index requirements on products can be assuredly met.

The invention relates to the technical field of edible salt production equipment and discloses crystallization equipment for edible salt production. The crystallization equipment comprises an equipment body; the inside of the equipment body is provided with a crystallization box; the inside of the crystallization box is provided with a crystallization chamber; and a heat insulation layer surroundsthe outer wall of the crystallization box. According to the crystallization equipment for edible salt production, a motor is started to drive a lead screw to rotate, and a scraping plate is driven tomove horizontally and stably by utilizing the support and limitation of a supporting rod, so that edible salt crystals separated out from the top, bottom and periphery of the crystallization chamberare scraped, the scraped edible salt crystals are pushed to a discharging hole, a sealing plate is jacked in advance by using a contact lever on the scraping plate to expose the discharging hole, andfurthermore, the edible salt crystals are pushed out of the crystallization chamber and are collected by a collecting box. The equipment is high in automation degree and capable of improving the efficiencies and effects of clearing and collecting the edible salt crystals, avoiding resource waste and saving manpower and time.

The invention discloses a primary baking process for improving tobacco leaf aroma volume . The process comprises a tobacco leaf yellowing stage, a withering stage, a color fixing stage and a stem drying stage. The technical key points of the process are as follows: (1) in the yellowing period, carrying out full yellowing under high temperature and humidity conditions; (2) in the withering period,carrying out temperature stabilization and moisture removal, and carrying out full withering; (3) in the color fixing period, carrying out cooling and humidifying and slowly drying the leaves; and (4)in the stem drying stage, controlling the temperature, adjusting the humidity and slowly drying the stems.

The invention discloses a well type high-temperature resistance furnace for the heat treatment of a PAN (polyacrylonitrile) based carbon felt. A heating body is placed at a center position in a furnace body; an upper circulation water tank is fixed at the upper surface of an upper heat insulation cover; and a lower circulation water tank is fixed at the lower end of the furnace body. The graphite plates of the heating body and annular graphite connection plates are arranged via the way that every two are connected in parallel and every four are connected in series, and are connected in a triangular shape by three electrodes. A water channel is arranged in the upper circulation water tank and the lower circulation water tank. The housing of the furnace body is an interlayer; and the interlayer space forms a channel of circulation water. With the adoption of the heating body, the temperature difference of a hearth uniform temperature zone ranges from 10 degrees centigrade below zero to 10 degrees centigrade. The circulation water of the cover and the bottom of the furnace body and the furnace body can uniformly and directionally flow, so that the heat radiation of the hearth can be effectively shielded, and the outer wall temperature of the furnace body is not higher than 25 degrees centigrade. With the adoption of the heat insulation layer in the furnace body, the hearth can be effectively heated, so that energy consumption is reduced; and the channel, which is simple in structure and reasonable to arrange, is convenient to maintain and exchange.

An analyzer of plaster softening point is prepared as setting beaker positioning ring at center of heating plate being set between its top cover and bottom cover, fixing said bottom cover on support frame through support column, setting fan in box and fixing it on box base through bolts. It is featured as using control circuit to control on and off of solid relay according to water bath temperature collected by temperature transducer, controlling water bath temperature by controlling the heating wire for satisfying requirement of each stage in analyzing course.

The invention discloses an energy-saving heat-preservation oil tank. The energy-saving heat-preservation oil tank comprises a shell, a feeding port, a tank body, a heating plate, a control cabinet, a refrigerating plate, supporting legs, a discharging port, a control switch, a button, a controller and a display screen, wherein the feeding port is formed right above the shell, the feed port is fixed on the shell through a screw, the discharging port is fixed at the bottom of the inner side of the shell through a screw, an electromagnetic valve is arranged at the discharging port, the tank body is arranged below the feeding port, the tank body is fixed inside the shell through a screw, a crude oil is poured into a tank body device, the tank body device is electrified, the controller, the control cabinet and the temperature sensor are started by the control cabinet, and the heating plate or the refrigerating plate is started; and the electromagnetic valve is arranged at the discharging port, buttons are connected with the electromagnetic valve through cables, and the control cabinet is fixed on the shell through a screw, the temperature sensor is fixed to the right side of the inner side of the shell through a screw. The energy-saving heat-preservation oil tank is used for controlling the switch, the buttons, the display screen and the temperature sensor in real time through the controller, the contact area is designed through the circular truncated cone at the bottom of the tank body, the heat energy consumption speed of the crude oil storage tank is reduced, and the energy-saving and heat-preserving effects are achieved.

The invention relates to the technical field of static crystallization, and particularly discloses a static crystallizer and a static crystallization method. The static crystallizer comprises a shell and a cavity formed in the shell, wherein at least one heat exchange pipe is arranged in the cavity, telescopic parts are arranged in the heat exchange pipes, and the telescopic direction of the telescopic part is not parallel to the axial direction of the heat exchange pipe. The method is carried out in the specific static crystallizer, so the heat exchange efficiency of a static crystallization process can be remarkably improved, the uniformity of crystallization and sweating processes is ensured, a high-purity and high-yield crystallization product is obtained, and the energy consumption of the crystallization process can be further reduced; and the method can be applied to industrial production of static crystallization, especially to purification and separation of high-end fine chemicals or high-added-value products with high purity requirements.

The invention discloses a primary baking process for increasing the aroma richness of tobacco leaves, and discloses a primary baking process for increasing the aroma volume of tobacco leaves. The process comprises a tobacco leaf yellowing period, a withering period, a color fixing period and a stem drying period. The method is technically characterized in that (1) in the yellowing stage, medium temperature and medium humidity are combined, and tobacco leaves are gradually yellowed; (2) in the withering period, high temperature and high humidity are combined, and the tobacco leaves are properlywithered; (3) in the color fixing period, cooling and humidifying are carried out and the leaves are slowly dried; and (4) in the stem drying stage, the temperature is controlled, the humidity is adjusted and stems are slowly dried.

A method for thermal shrinkage packaging of a battery comprises a rack, a transmission structure and a thermal shrinkage drying tunnel, and the transmission structure and the thermal shrinkage drying tunnel are installed on the rack; the transmission structure comprises a metal mesh belt, and the thermal shrinkage drying tunnel comprises a thermal shrinkage main drying tunnel; the metal mesh belt penetrates through the thermal shrinkage main drying tunnel of the thermal shrinkage drying tunnel; the thermal shrinkage drying tunnel comprises a preheating drying tunnel, a main drying tunnel and a heat preservation drying tunnel which are connected in sequence, and the main drying tunnel comprises a heating cover; an electric heater, fins, a heat shielding plate, a radiant plate and a main drying tunnel thermocouple are fixedly arranged in the heating cover; the fins are fixedly arranged above the electric heater, and the heat shielding plate is fixedly arranged above the fins; and an installation opening is formed in the lower portion of the radiant plate, and the main drying tunnel thermocouple is fixedly arranged on the inner wall of the heating cover. The preheating drying tunnel comprises a preheating drying tunnel thermocouple fixedly arranged on the inner wall of the bottom. According to the method, a draught fan, an air duct, accessories of the air duct and a drying tunnel air outlet are omitted, and packaged pieces are heated in a radiation and natural convection mode; and energy losses caused by the heat flow rate are reduced, and cost reduction, energy conservation and emission reduction are facilitated.