33results about How to "Fully tempered" patented technology

The invention relates to a tempering-resistant air adjusting type gas stove with an upper air inlet, which comprises a panel, a combustor, a nozzle, an air cavity with an upper opening and a cover plate, wherein a burner comprises a premixing cavity and an ejector tube; the cover plate is positioned above the upper opening of the air cavity; a gap is formed between the cover plate and the upper opening; the upper opening of the air cavity is stretched out of the panel after passing through the panel; the front and rear side walls of the air cavity are respectively provided with an air outlet hole and an air inlet hole; the air inlet hole is communicated with the ejector tube; the nozzle is arranged on the air inlet hole; the air inlet end of the nozzle is in screw thread fit with the air outlet hole; the air outlet end of the nozzle is opposite to the air outlet hole; a door plate arranged on the air outlet end of the nozzle is matched with the air outlet hole; and the door plate is in screw thread fit with the nozzle. Because the structure is adopted, the nozzle can be exchanged; the door plate is rotated, so that the door plate is far away from or close to the air outlet of the air cavity to achieve the purpose of adjusting the air intake flow of the air once to supply sufficient air to gas, thereby achieving full combustion; and a temperature sensor is provided to prevent the explosion because the tempering occurs.

The invention discloses a device for producing toughened glass, comprising a heating device, a toughening device and a roller way device connected between the heating device and the toughening device. The toughening device comprises a screw air compressor, an air filter, an air tank and a quenching cold air grid sequentially connected by an air supply pipeline. The invention also discloses a method for producing toughened glass by utilizing the device above. the device and the method can be used for completely toughening ultra-thin glass with the thickness of 2mm and have the advantages of low energy consumption, low noise, and the like.

The invention discloses a method for machining a male mould of a flywheel extrusion mould, aiming at providing the machining method capable of improving the segregation distribution of the carbide in the mould, preventing the mould from being invalid, and improving the service life of the mould. The method comprises the steps of: forging, wherein the heating temperature is 1100-1150 DEG C, the heat preservation time is 0.8-1.2 min / mm, the initial forging temperature is 1040-1080 DEG C and the finish forging temperature is 850-900 DEG C, and embedding in a cooling way with sand ash; annealing forged mould material; slowly heating the mould material at 840-860 DEG C; preserving temperature for 4 h; opening a furnace door and reducing the temperature at 740-760 DEG C; preserving temperature for 6 h; cooling the furnace at 550 DEG C; putting the material out of the furnace and cooling in air; mechanically machining the processed mould material to obtain the male mould of the flywheel extrusion mould; and quenching the male mould of the flywheel extrusion mould and tempering at three times to obtain a final product. The method crushes the carbide in a forging way, promotes the carbide to be evenly distributed, improves the segregation distribution of the carbide in the mould, and prolongs the service life of the mould.

The present invention relates to a specific large-scale grass carp puffed compound feed and a preparation method thereof, and belongs to the technical field of aquatic product puffed feed production. The feed comprises 10-35 parts of soybean meal, 10-35 parts of rapeseed meal, 5-15 parts of cottonseed meal, 8-15 parts of DDGS, 5-15 parts of rice bran, 8-20 parts of flour, 3-8 parts of cassavas, 3-8 parts of sorghum, 2-4 parts of soybean oil, 1-3 parts of calcium dihydrogen phosphate, 1-2.5 parts of bentonite, 0.05-0.2 part of 98.5% lysine hydrochloride, 0.01-0.05 part of Kelikang (a feed additive), 0.05-0.1 part of choline chloride, 0.3-0.5 part of multivitamin premix, 1.0-3.0 parts of compound mineral premix, 0.01-0.05 part of antioxidant and 0.1-0.15 part of mildew preventive. The provided large-scale grass carp specific floated and puffed compound feed aims at the situation that no specific feed is provided in the breeding process of the large-scale grass carps currently. By combining the nutrient demand and digestive physiology demand characteristics, the puffed compound feed can greatly improve the breeding efficiency under the premise of not affecting the production performances.

The invention relates to a method for reducing fracture zones of high-hardenability cold-rolled high-strength steel cold-rolled edges. The method comprises the steps of high-strength steel smelting, heating by heating furnace, rough rolling, descaling, 2250 mm hot continuous rolling, laminar cooling and reeling, wherein the laminar cooling adopts a rear section 1 / 2, and meanwhile, the water spraying on the fine adjusting area side is closed. According to the method, the defect of fracture zones of the high-hardenability high-strength steel cold-rolled edges can be effectively solved under thecondition that normal production and product performance are not influenced, and the yield and the instant production of strip steel are improved.

The invention relates to a heat treatment technology for a high-carbon chromium bearing ring with extremely low retained austenite, and relates to the technical field of heat treatment technologies. The heat treatment technology specifically comprises the following steps of holding the high-carbon chromium bearing ring heat-treated for 60+ / -5 min at 835+ / -5 DEG in a quenching heat preservation area; cooling the high-carbon chromium bearing ring held in the first step, the temperature of cooling medium which is salt is 190+ / -5 DEG C; air-cooling the high-carbon chromium bearing ring cooled in the second step, the level of the air cooling is 4, and the time for a single station is 6 min; going on the last step, performing secondary cleaning, the cleaning temperature is controlled within 50+ / -5 DEG C, then performing cleaning at room temperature, the time for the single station is 6 min; and performing secondary cooling and tempering. According to the heat treatment technology, through multi-stage air cooling, cleaning, selection of a proper cooling amount and cleaning temperature, adding of secondary cooling and the tempering process, the retained austenite is changed thoroughly, andfinally the retained austenite of the high-carbon chromium bearing ring is no more than 3%.

The invention relates to the technical field of oil-containing sludge treatment, in particular to a quenching and tempering system for oil-containing sludge. The system comprises a body, the body is provided with a quenching and tempering chamber and a quenching and tempering device. The quenching and tempering device comprises two quenching and tempering blades which are located in the quenchingand tempering chamber of the body with opposite rotation directions, the quenching and tempering blades comprise two quenching and tempering parts which are symmetrically arranged, the quenching and tempering parts comprise rotary members and stirring members which are mutually connected, and the stirring parts of the two quenching and tempering parts are mutually connected and coaxial with the rotary members; the quenching and tempering chamber is internally provided with a viscosity level detecting device, the body is provided with a water inlet device, and the starting and stopping of the water inlet device are controlled by the viscosity level detecting device. According to the quenching and tempering system, a quenching and tempering agent is added to the quenching and tempering chamber when quenching and tempering are conducted, oil-containing sludge is fully quenched and tempered by the rotation of the two quenching and tempering blades; by arranging multiple quenching and tempering blades which achieve quenching and tempering by rotating in different directions, the quenching and tempering is thorougher, the quenching and tempering effect is better, deep reduction of oil-containing sludge quenching and tempering is achieved; the refining and using of resources can be achieved by quenched and tempered oil-containing sludge more easily.

The invention relates to the technical field of oily sludge treatment, and relates to a conditioning system for oily sludge, which includes a main body provided with a conditioning chamber and a conditioning device. The tempering device includes two tempering blades located in the main body tempering chamber and turning in opposite directions. The tempering blades include two tempering parts arranged symmetrically in the center. The stirring parts of the two tempering parts are connected to each other and the shaft parts are coaxially arranged; the viscosity detection device is installed in the quenching and tempering chamber, and the water inlet device is installed on the main body, and the viscosity detection device controls the start and stop of the water inlet device . When conditioning, oily sludge and conditioner are added to the conditioning chamber, and the two conditioning blades rotate to fully condition the sludge. The invention realizes tempering by arranging a plurality of tempering blades to rotate in different directions, so that the tempering is more sufficient, the tempering effect is better, the depth reduction of oil sludge conditioning is realized, and the oil sludge after conditioning can be more easily realized. repurposing and utilization.

The invention discloses suckling pig feed tempering equipment and a working method thereof. The equipment comprises a feeding hole, a first cavity, a second cavity and a discharge hole, wherein the feeding hole is positioned in the upper part of the first cavity; the feeding hole communicates with the first cavity; a first motor is fixedly mounted at the bottom of the first cavity; a first rotating shaft is fixedly mounted on the output shaft of the first motor; first blades are connected with the first rotating shaft; a steam inlet is formed in the top of the first cavity; a microwave deviceis mounted at a side part of the first cavity; a second motor is fixedly mounted at the bottom of the second cavity; second blades are mounted on the second rotating shaft; the bottom of the first cavity is positioned at the bottom of the first cavity; an ultrasonic generation device is fixedly mounted at a side part of the second cavity; the second blades consist of lower blades and upper blades;and the discharge hole is positioned in the upper part of the second cavity. Compared with the prior art, the equipment has the beneficial effects that a suckling pig feed is high in aging degree, high in nutrition value, good in molding quality and sanitary and safe.

The invention discloses a high-speed steel heat treatment technology. The heat treatment technology includes the following steps that A, annealing treatment is performed, and annealing holding time should be 3-4h or above; B, quenching treatment is conducted, and preheating is performed for 1-3 times in the quenching process; and C, high-temperature tempering treatment is carried out. According to the high-speed steel heat treatment technology, preheating is performed for three times in the quenching process, the quenching technological requirements are guaranteed, impact toughness of a material is enhanced, and tempering is made more sufficient by means of tempering treatment for three times.

The invention discloses a tempering method and device, which is characterized in that after the material processed by the pre-conditioned layer enters the quality-preserving layer, it is further mixed with steam in the quality-preserving layer for conditioning and quality-preserving, and the rotor of the quality-preserving layer runs forward and backward. The material flows back and forth in the quality-preserving fuselage to obtain sufficient heating and tempering time. Under the joint action of the heating and heat preservation system and steam, the temperature rises rapidly. After the temperature rises to the set value, the material is discharged downstream for granulation. The device includes pre-conditioning layer, preservation layer, pre-conditioning drive system, heating and heat preservation system, pre-conditioning rotor, pre-conditioning body, steam addition system, preservation drive system, preservation rotor, preservation body, material temperature sensor ,Temperature Sensor. The invention can reduce the discharge of the head material during the start-up process, simplify the layout of the production process, improve the utilization rate of raw materials and feed safety and sanitation, reduce the energy consumption of the granulator, and reduce the labor intensity of workers.

A combined equipment for artificially culturing plants is composed of a number of hexagonal transparent culture containers which are combined in cellular mode, the overflow unit of nutritive liquid, nano lamp, humidity controller, CO2 source, speed-adjustable motor, blower and pipelines. Its advantages are low pollution, high quality of seedlings and short culture period.

The invention discloses a heat treatment device for a round-link chain and an application method thereof. The device comprises a quenching part and a tempering part which are sequentially arranged, wherein first cooling parts are arranged at the quenching part and the tempering part; the quenching part is provided with a quenching temperature regulating box; the tempering part is sequentially provided with an uniform-temperature tempering heating box, at least one tempering temperature regulating box and a differential-temperature tempering heating box; the quenching temperature regulating box is provided with a second cooling part. The device has the characteristics of being high in integration degree and high in working efficiency; after the round-link chain is quenched, an uniform and small low-carbon lath martensite structure can be obtained; the quenching quality is high; the second cooling part and the first cooling parts are correspondingly connected to a cooling source, so that the cooling quality can be improved, and the requirements of each part of the round-link chain on hardness and toughness can be met.

The invention discloses a device for producing toughened glass, comprising a heating device, a toughening device and a roller way device connected between the heating device and the toughening device. The toughening device comprises a screw air compressor, an air filter, an air tank and a quenching cold air grid sequentially connected by an air supply pipeline. The invention also discloses a method for producing toughened glass by utilizing the device above. the device and the method can be used for completely toughening ultra-thin glass with the thickness of 2mm and have the advantages of low energy consumption, low noise, and the like.

The invention discloses a heat treatment process of high-speed steel. The heat treatment process comprises the following steps that A, annealing treatment is carried out, the annealing heat preservation time is over 3-4h; B, quenching treatment is carried out, and preheating for 1-3 times is carried out during quenching; and C, high-temperature tempering treatment is carried out. According to theheat treatment process of the high-speed steel, the preheating for 3 times is carried out in the quenching process, so that the process requirement for quenching is guaranteed, the impact toughness ofthe materials is enhanced, the tempering treatment for 3 times is carried out, and the tempering is more sufficient.