119 results about "Saggar" patented technology

The invention relates to a heat treatment method and device, computer equipment, a computer readable storage medium and a computer program product. The method is applied to the roller kiln, and at least one sagger and a plurality of temperature control devices are arranged in the roller kiln. The method comprises the following steps: acquiring space temperature distribution data of the roller kiln; according to the space temperature distribution data, target material distribution of the materials to be subjected to heat treatment in the roller kiln is determined, and target temperatures corresponding to the temperature control devices are configured, so that the heating uniformity of the materials to be subjected to heat treatment in the heat treatment process is higher than a preset uniformity threshold value; wherein in the heat treatment process, the filling amount of the to-be-heat-treated material in each sagger is determined based on the target material distribution, and the sagger filled with the to-be-heat-treated material is subjected to heat treatment in the roller kiln with the temperature configuration completed. By adopting the method, the particle size distribution range of products processed by the roller kiln can be narrowed.

A powder feeding device configured to fill a saggar with powder by compressing the powder thereinto may include: a pressing plate configured to compress the powder in the saggar; and a pressing mechanism configured to press the pressing plate toward the powder in the saggar. The pressing plate may include a compression plate including a pressing surface that compresses the powder by contacting the powder; and a plurality of slit plates disposed on the pressing surface and extending downward from the pressing surface. The slit plates may be arranged radially as the powder feeding device with the saggar placed therein is viewed from above. When the saggar is placed in the powder feeding device, distances between the slit plates and a sidewall of the saggar may be substantially equal and the distances between the slit plates and the sidewall of the saggar may be 30 mm or less.

1. A grilling apparatus for use within a cooking chamber of an oven, the apparatus comprising: a panini press comprising an upper grill including a pair of oppositely disposed, downward facing, first guide rails; and a lower grill including a pair of oppositely disposed, upward facing guide surfaces, the upper grill being disposed within each of a pair of upwardly facing guide surfaces coupled to the lower grill and vertically reciprocatable toward and away from the lower grill by a pair of oppositely disposed alignment devices coupled to either side of the upper grill; and a paddle for holding at least one food item, the paddle comprising a base and a pair of oppositely disposed, upwardly facing, second guide rails that align with respective first guide rails such that as the paddle enters the cooking chamber, the second guide rails contact respective first guide rails and the upper grill moves upwardly and away from the lower grill thereby allowing a food item to be positioned between a lower surface of the upper grill and an upper surface of said lower grill, and upon removal of the paddle, the upper grill moves toward the food item to apply sufficient pressure to compress and brown the food item during the cooking process.

The invention relates to the technical field of metallurgical solid waste resource utilization and powder metallurgy, and discloses a method for realizing coke foam recycling in reduced iron powder production, and the method comprises the following steps: mixing, kneading and drying first-cycle coarse coke foam, dolomite powder and primary cross-linking bonding slurry to prepare a modified main reducing agent; mixing secondary circulation fine coke foam, rolled steel scale coarse powder, limestone powder and the slurry, pressing and air-drying to prepare a composite sacrificial block; the silicon carbide saggar is alternately filled with high-purity fine iron powder and a modified main reducing agent to form a bottom-layer material bed, and composite sacrificial blocks are laid on the top layer in a staggered mode; and after cooling and discharging from the kiln, stripping porous slag blocks formed by sintering at the top, and carrying out coarse crushing and magnetic separation on the material at the middle lower part to obtain a sponge iron product. Directional cyclic utilization of coke foam is achieved, mineral is utilized to absorb heat step by step to stabilize local heat load, an exhaust pressure relief path is constructed through material phase change shrinkage, sagger damage is avoided, and the impurity removal process is simplified.

The utility model discloses a calcining powder block breaking device and processing equipment, the calcining powder block breaking device is arranged above a conveying line body used for conveying saggars, and the calcining powder block breaking device comprises a driving mechanism; the slotting tool fixing plate is connected with the driving mechanism and is driven by the driving mechanism to do lifting motion; the cross-shaped slotting tool is fixedly mounted on the slotting tool fixing plate, and a tool bit of the cross-shaped slotting tool is downwards opposite to the saggar flowing through the conveying line body; the first air vibration device is installed on the slotting tool fixing plate, the first air vibration device and the cross slotting tool ascend and descend synchronously, and the slotting tool fixing plate forms a vibration transmission path from the first air vibration device to the cross slotting tool. According to the calcined powder block crushing device, through integration of the cross slotting tool and the first air vibration device, efficient and uniform crushing of calcined block materials is achieved, the problem that the materials adhere to the tool and the inner wall of a sagger is effectively solved, and therefore production continuity and stability are guaranteed, and the overall efficiency of the powder post-treatment procedure is improved.

The present application belongs to the technical field of conveying mechanism auxiliary, and discloses a sagger deviation correction mechanism of roller furnace, which comprises a conveying mechanism and a group of saggars placed thereon. Through the cooperation of the correction assembly and other structures, when the sagger deviates, the second correction rod is folded and pushes the counterweight frame up through the connecting rod, and is higher than the other counterweight frame. The counterweight block slides to the first correction rod. Under the deviation state, the supporting force of the conveying roller on the sagger is uneven, the counterweight frame and the counterweight block increase the weight on one side of the sagger, the force applied to the folding of the first correction rod increases, the conveying roller drives the roller to rotate instead of directly contacting the correction rod, and four factors are added. The other side of the sagger is preferentially moved by the conveying roller rotation, and when the two correction rods are located on the same axis, the sagger can move normally. The position deviation during the sagger placement is solved, so that the sagger is stuck on the furnace wall or scratches appear between the sagger and the furnace wall, and the sintering condition is affected.

[Problem] The present invention addresses the problem of providing: a saggar equipped with a two-dimensional code in which the two-dimensional code can be read, the occurrence of defective products can be reduced, and mass production is facilitated; and a method for affixing a two-dimensional code to a saggar. [Solution] A saggar 1 equipped with a two-dimensional code according to the present invention has: a base material layer 3 for ceramic label adhesion, the base material layer 3 being formed on a required portion of a saggar body 2; and a ceramic label 4 equipped with a two-dimensional code, the ceramic label 4 being fixed to the surface of the base material layer 3 for ceramic label adhesion.

A kind of sagger residual material removing device, including support, upper portion is equipped with rotary table support platform;Rotary table is supported in the upper side of rotary table support platform towards;Rotary table drive mechanism is equipped in the upper side of rotary table support platform towards;First, second chopper drive mechanism is equipped in the upper side of rotary table towards;First, second chopper push plate lifting guide mechanism is equipped in rotary table and lower portion extends to the below of rotary table support platform, sagger cavity bottom wall residual material layer first, second chopper mechanism is arranged in the below of rotary table support platform and is connected with the lower portion of first, second chopper push plate lifting guide machine respectively;The lower portion of first, second chopper drive machine is connected with the upper portion of sagger cavity bottom wall residual material layer first, second chopper machine respectively. Advantage: it is helpful to adapt to the work rhythm of other workstations of sagger conveying mechanism and meet the line production requirements;Improve the removal efficiency of the sticky layer on the bottom wall of sagger cavity;Simplify the related action in removal process;Reflect good adaptability to sagger.

The oven comprises an oven body, conveying rollers arranged in the oven body and arranged in the conveying direction of the ridge tiles at intervals and rotating shafts connected with the two ends of the conveying rollers respectively, the rotating shafts are provided with connectors, the connectors are provided with inserting grooves, first springs are arranged at the bottoms in the inserting grooves, and second springs are arranged at the bottoms in the inserting grooves. The outer surface of the connector is sleeved with a limiting sleeve which extrudes the limiting balls to move towards the inner side of the connector, a limiting block is arranged on the outer surface of the connector and located on the side, close to the rotating shaft, of the limiting sleeve, and a second spring is connected between the limiting sleeve and the limiting block. And the conveying rollers can be quickly disassembled and assembled.

The invention relates to the technical field of large-size silicon carbide saggar dry-method mechanical pressing, and discloses a large-size thin-wall silicon carbide saggar dry-method mechanical pressing method and a large-size thin-wall silicon carbide saggar dry-method mechanical pressing forming die. The large-size thin-wall silicon carbide saggar dry-method mechanical pressing forming method comprises the steps that firstly, silicon carbide saggar raw materials are treated; step 2, processing and mounting a mechanical pressing forming frame and a movable block; step 3, positioning the loose piece; step 4, intervening the distribution of the mixed fine powder; 5, layered material distribution and pressing of the raw materials; and sixthly, the large-size thin-wall silicon carbide saggar is demolded. The invention discloses a dry-method mechanical pressing forming die for a large-size thin-wall silicon carbide saggar. The mechanical pressing die comprises a die sleeve I and a die sleeve II, the outer side wall of the die cavity is tightly attached and fixed to the interior of a square cavity defined by the first die sleeve and the second die sleeve. And the mechanical pressing forming frame is mounted in the mold cavity. The method has the beneficial effects that the forming strength and the density distribution uniformity are improved, so that the thermal shock stability is improved, and the defects of unfilled corners and pitted surfaces which are easy to generate during demolding are reduced.

A cleaning device for a battery positive electrode material sintering sagger comprises a cleaning assembly used for spraying water to clean the sagger and a drying assembly used for drying the sagger, and further comprises a conveying and overturning assembly used for pouring out water in the sagger, and the cleaning assembly and the drying assembly are sequentially arranged in the conveying direction of the conveying and overturning assembly. The conveying and overturning assembly comprises a first-stage conveying roller set and a second-stage conveying roller set, the set heights of the first-stage conveying roller set and the second-stage conveying roller set are sequentially decreased, the first-stage conveying roller set is used for conveying the saggar sprayed by the spray head to the second-stage conveying roller set for overturning and water pouring, and a first air cylinder is arranged between the first-stage conveying roller set and the second-stage conveying roller set; a first vertical baffle is fixed to the second-stage conveying roller set, the lower end of the inclined saggar moved to the second-stage conveying roller set from the first-stage conveying roller set abuts against the first vertical baffle in cooperation with pushing of a first air cylinder to complete overturning and water pouring, and the second-stage conveying roller set is used for conveying the saggar subjected to overturning and water pouring. According to the sagger, water in the sagger can be poured out.

The application discloses a lithium aluminate composite saggar and a preparation method and application thereof, and belongs to the technical field of saggar, wherein the saggar comprises an inner surface working layer and an outer matrix layer from inside to outside; the thickness of the inner surface working layer is 1-3 mm; the inner surface working layer comprises the following preparation raw materials in parts by weight: synthetic lithium aluminate 5-20 parts, kaolin 2-10 parts, fused zirconium mullite 0-10 parts, zirconium oxide 0-15 parts, zirconium silicate 0-10 parts, spinel 60-80 parts, alumina 0-10 parts, organic binder 0-5 parts, and water 1-5 parts. The synthetic lithium aluminate is added in the saggar formula system, the structure is solidified during saggar firing, according to the principle of Fick's first law, the addition of lithium aluminate can slow down the alkali corrosion of the material to the saggar, effectively restrict the volume change in the positive electrode material, and effectively improve the service life of the saggar.

The utility model relates to a production device, in particular to a continuous production device of a silicon dioxide material. The production device comprises a conveying frame, a quartz saggar flows on the conveying frame, a shielding cover is arranged at the top of the conveying frame, and the interior of the shielding cover above the conveying frame is sequentially divided into a feeding area, a gelling area, a drying area, a water crushing area, a drying area and a receiving area through isolation doors which are arranged at intervals and driven by a lifting cylinder. An ultrasonic rod is installed above the conveying frame of the gel area through an ultrasonic rod lifting machine, a spraying head is installed above the conveying frame of the water crushing area through a water crushing lifting machine, quartz electric heating pipes are arranged above the conveying frame of the drying area and the conveying frame of the drying area respectively, and a material collecting device is arranged on the conveying frame of the material collecting area. According to the utility model, the continuous production of silicon dioxide materials can be realized, and the production efficiency and the productivity can be effectively improved. The problems that an existing reaction kettle production mode cannot achieve continuous production, so that the productivity is low, and impurities are easily introduced are solved.

The invention discloses a process for preparing lithium manganate by a high-temperature solid-phase method, which comprises the following steps: S1, mixing a manganese source, a lithium source, an additive and grinding balls together, and carrying out mixed material ball milling, so that the materials are uniformly mixed; s2, the materials obtained after ball milling are loaded into a sagger, the materials in the sagger are punched through a puncher to form soaking holes, and the heating uniformity of the materials is improved; s3, the saggar loaded with the material punched by the puncher is fed into a kiln for gradient sintering; and S4, crushing and sieving the sintered material to obtain a lithium manganate finished product. The arrangement of the soaking holes formed by punching the material through the puncher can effectively increase the contact area between the material and the atmosphere and heating energy in the kiln, promote the heat conduction rate and heating uniformity in the material, and improve the uniformity of chemical reaction, phase formation and microstructure of the material, thereby improving the comprehensive performance of the lithium manganate material.

The invention discloses an automatic feeding and discharging system of a kiln, and relates to the technical field of feeding and discharging of kilns, the automatic feeding and discharging system of the kiln comprises a closed-loop conveying line used for circularly conveying saggars, and the closed-loop conveying line comprises a sintering section located inside the kiln and a loading and unloading section located outside the kiln; the recycling material frame is used for recycling the sintered materials in the saggar; the loading conveying line is used for conveying saggars; the automatic feeding mechanism comprises a discharging part, and the discharging part is arranged above the upstream section of the loading conveying line and used for filling the empty saggar with materials; the material flattening mechanism comprises a flattening part, and the flattening part is arranged above the downstream section of the loading conveying line and used for flattening materials on the top of the saggar; and the robot is used for grabbing the sintered saggar on the loading and unloading section, pouring materials in the saggar into the recycling material frame, placing the empty saggar on the upstream section of the loading conveying line to realize filling, and then re-placing the flattened saggar on the loading and unloading section. The system can automatically complete feeding and discharging operation, the labor cost is reduced, and the productivity and efficiency are improved.

1. The name of the design product: sagger. 2. The use of the design product: sagger for sintering of ceramic materials. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: A-A sectional view is a sectional view of the A-A direction of the top view, and the use state reference drawing is a use state drawing of the combination of multiple saggars.

An instrumented plate (300) intended for the monitoring of a refractory part of a furnace, the instrumented plate comprising:a support plate (310) through which a plurality of orifices (304) pass and which is at least partially made of a material consisting of fibers interconnected by a ceramic matrix, referred to as “ceramic-matrix composite”, or consisting of a precursor of said ceramic-matrix composite;a sensor (312) borne by said support plate, a ceramic-matrix composite precursor being a material which is capable of transforming into said ceramic-matrix composite under the effect of heating.

A vertical roasting furnace and a battery material processing device. The vertical roasting furnace comprises a vertical furnace body (1), a feeding mechanism (2), sintering pipes (3), and a heating mechanism (4). The vertical roasting furnace uses a vertical structure, and under the action of gravity, materials sequentially flow through a plurality of reaction zones in a material sintering cavity (10) in a fluid state, so as to carry out real-time transmission and dynamic heating and cooling on the materials, thereby realizing dynamic sintering of the materials and improving the sintering effect. In addition, there is no need to provide a power device for driving the materials to move, thereby saving energy. The dried materials having a high temperature do not need to be loaded into a saggar for cooling, but are directly introduced into the top reaction zone in the material sintering cavity (10) by means of the feeding mechanism (2), thereby improving the sintering efficiency of the materials.

The invention relates to the technical field of sagger loading, and discloses a sagger loading control method and system.The control method comprises the steps that a weighing bin is controlled to output materials with the set mass, and the set mass is determined based on the capacity of a sagger to be loaded; a sagger conveying device is controlled to convey to-be-loaded saggers to the loading replacement chamber; the charging mechanism is controlled to charge the materials output by the weighing bin into the saggar to be charged in the charging replacement chamber; and the saggar conveying device is controlled to convey the saggar loaded in the loading replacement chamber out of the loading replacement chamber. According to the technical scheme, the mass of output materials is accurately controlled to be matched with the sagger, and it is ensured that the charging amount of the sagger is basically constant every time; conveying of the to-be-loaded saggar is controlled to be matched with material output of the weighing stock bin, and the to-be-loaded saggar can complete the material loading action timely and rapidly. Matching and butt joint of all the working procedures are controlled, effective management is achieved, all the working procedures are timely and smoothly transited / converted, and the production efficiency of the production line is improved.

1. Name of the product in this design: Main body of an oven. 2. Purpose of this design: This design and its main body are used for baking. 3. The key design features of this product are: the shape of the parts indicated by solid lines. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other matters requiring explanation: This design is a partial design, and the parts indicated by the dashed lines in each view are not within the scope of protection.

A thermal insulation oven structure for a single-beam SERF atomic magnetometer can achieve rapid and uniform heating of the alkali metal gas chamber while preventing heat from being transferred outward, thereby achieving good thermal insulation effects. It is characterized in that it includes a gas chamber bracket and a bracket cover plate that are combined to form an oven box structure. The cavity bottom surface of the oven box structure is covered with a ceramic heating structure to form a cavity for accommodating the alkali metal gas chamber. A heating film is attached to the upper surface of the ceramic heating structure. The ceramic heating structure is provided with a groove for placing a temperature measuring platinum resistor. The gas chamber bracket and the bracket cover plate are both made of polyetheretherketone (PEEK).

The invention discloses a color-changing glass ceramic which is characterized by comprising the following components in percentage by weight: 50-66% of SiO2, 20-32% of Al2O3, 1-5% of Li2O, 0.1-5% of MgO, 0-2% of B2O3, 0-2% of Na2O, 1-8% of ZnO, 0.1-5% of Ag2O, 0.05-0.2% of CeO2, 0.5-3% of P2O5, 0-1.5% of BaO and 0.15-0.35% of Sb2O3, the total mass is 100%, the Tg temperature of matrix glass of the glass ceramic is 651-723 DEG C, Ag2O is adopted as a nucleating agent, a proper amount of CeO2 and Sb2O3 are added to assist conversion of Ag < + > into Ag atoms in a heat treatment process to form nucleation points, and the glass ceramic is prepared from the following components in The low-expansion microcrystalline glass with three different colors of light blue, light yellow or black is obtained by controlling crystallization heat treatment, can be effectively applied to stove panels of induction cookers, electric ceramic cookers, integrated stoves and the like, fire-resistant heat insulation plates of fireplaces, ovens and the like in high-temperature environments and the like, and is low in raw material cost and relatively low in lithium content (less than or equal to 5wt%).

A method for holding a saggar conveyed out from a heat treatment furnace is disclosed. The method may include: holding the saggar by a pair of holding members configured to be movable in a left-right direction; and positioning the saggar held by the pair of holding members in an up-down direction at a predetermined position by moving the saggar in the up-down direction perpendicular to the left-right direction relative to the pair of holding members.

A heat treatment system disclosed herein may include: one or more saggars, each of which is configured to accommodate powder of a lithium positive electrode material; and a heat treatment furnace configured to heat-treat the powder accommodated in the one or more saggars. Each of the one or more saggars may include a contact surface which is to make contact with the powder, wherein at least the contact surface of each saggar is constituted of a nickel-based alloy. The heat treatment furnace may be configured to heat-treat the powder accommodated in the one or more saggars at a temperature of 300° C. or more and 1000° C. or less for a duration of 10 hours or more and 30 hours or less.

The invention relates to the field of precision casting, and particularly discloses a preparation method of a ceramic core of an oversized blade of a heavy-duty gas turbine, which comprises the following steps: preparing a ceramic core material which comprises the following raw materials in percentage by weight: 55-60% of a matrix, 15-20% of a mineralizer, 3-5% of a pore forming agent, 5-10% of a modifier and 15-18% of a plasticizer, and uniformly mixing; performing injection molding; carrying out box filling, carrying out water bath secondary shape correction before box filling, hanging the ceramic core on a box filling tool, uniformly scattering a landfill material, and carrying out vibration tamping; sintering: charging the saggar filled with the ceramic core into a furnace and sintering in sections; strengthening the ceramic core, and soaking the sintered ceramic core in hexyl silicate hydrolysate and an epoxy resin diluted solution; depoling: loading the blade mold shell with the mold core into a depoling kettle body, and then filling alkali liquor into the depoling kettle body; according to the method, batch production of the ceramic core of the oversized blade of the heavy-duty gas turbine is achieved, it is guaranteed that the size and performance meet the requirements, the overall percent of pass reaches 90% or above, core breakage and core leakage are avoided in the casting process of a casting, and the wall thickness size meets the requirements of a design drawing.