1701results about "Furnace components" patented technology

The invention relates to the technical field of vacuum electric furnace monitoring, and discloses a state monitoring system suitable for a vacuum electric furnace. A multi-source sensor array of the system collects multi-dimensional physical signals such as temperature distribution, pressure change and vacuum degree fluctuation in a furnace in real time; a furnace cavity feature reconstruction module extracts sampling point feature parameters and correlates coordinates to construct a three-dimensional dynamic feature field; the process anomaly analysis module calculates a process deviation degree in combination with a preset reference parameter, and marks an anomaly coordinate area; the state transition evaluation module analyzes an abnormal trend according to historical records and predicts a state transition path and rate; the collaborative regulation and control decision-making module generates a multi-stage vacuum maintenance compensation strategy and a heating power regulation gradient scheme according to the multi-stage vacuum maintenance compensation strategy; and the running log feedback module records a strategy execution process, and associates the three-dimensional feature field data to generate a state tracing log. The system can realize comprehensive monitoring of the state of the vacuum electric furnace, accurate abnormity identification, trend prediction, cooperative regulation and control and state tracing, and helps to improve the operation management level of the vacuum electric furnace.

A system for monitoring fuel consumption in a rotary kiln includes IR sensors and computing systems. The computing systems: obtain a sequence of images; determine a map of temperature values of the infrared images in the sequence of infrared images; obtain a digital model of fuel consumption in relation to temperature values of the rotary kiln, wherein the digital model of the fuel consumption is based on a measured infrared temperature for the infrared images; determine the fuel consumption of the rotary kiln based on the measured infrared temperature with the digital model of the fuel consumption; and provide the fuel consumption in a fuel consumption report. The computing systems: analyze the fuel consumption of the kiln; obtain a correlation factor for the fuel consumption that identifies an amount of carbon dioxide emissions; and determine the emissions for the fuel consumption.

The invention relates to a furnace door self-lubricating quadrilateral connecting rod opening mechanism, and relates to the technical field of furnace door opening structures. The furnace comprises a furnace body shell, a furnace door and a driving assembly, a feeding opening is formed in the furnace body shell, the furnace door is arranged on the furnace body shell and used for blocking the feeding opening, and the driving assembly is arranged on the furnace body shell, connected with the furnace door and used for driving the furnace door to move upwards. The furnace door has the effects that the furnace door is opened obliquely upwards, and the occupied space in front of the furnace body is small.

The utility model discloses an anti-splash safety device for metal smelting, which relates to the technical field of splash prevention for metal smelting and comprises two support frames and a waste residue collecting barrel, the two support frames are symmetrically distributed, the tops of the two support frames are jointly connected with a movable platform in a sliding manner, one side, close to the support frames, of the movable platform is movably connected with a refining furnace, and the other side of the movable platform is connected with the waste residue collecting barrel. The two supporting frames are each provided with a splash-proof assembly, a waste residue collecting barrel is jointly and fixedly connected between the two supporting frames, a cleaning and knocking assembly is arranged on the waste residue collecting barrel, a steel ladle is arranged on the waste residue collecting barrel in a supporting mode, and the height of the splash-proof plate is adjusted through the arranged adjusting assembly, so that the splash-proof plate is just located between the steel ladle and the refining furnace; the anti-splashing device has the advantages that the anti-splashing device is arranged on the anti-splashing plate, the heat insulation and anti-splashing effects are achieved, the steel ladle is vibrated and knocked through the arranged cleaning and knocking assembly, air holes in metal liquid are reduced, the metal liquid is prevented from expanding and splashing, and metal residues attached to the anti-splashing plate can be collected through the additionally-arranged scraping plate.

The utility model relates to the technical field of rotary kilns, in particular to an energy-saving heat preservation structure of a rotary kiln. Comprising a rotary kiln cylinder and a refractory lining arranged in the rotary kiln cylinder, a composite heat preservation layer is arranged between the inner wall of the rotary kiln cylinder and the refractory lining, the composite heat preservation layer comprises a heat insulation plate and a heat insulation bonding coating arranged between the heat insulation plate and the inner wall of the rotary kiln cylinder, and the heat insulation bonding coating is used for heat insulation and used for bonding and fixing the heat insulation plate. And one surface of the heat insulation plate is coated with a heat insulation bonding coating. The heat insulation bonding coatings on the inner wall of the rotary kiln cylinder and the surface of the heat insulation plate are combined with the multi-structure staggered arrangement design, and the heat insulation efficiency, the structural reliability and the economical efficiency are remarkably improved through the synergistic effect of three mechanisms of heat resistance superposition, stress buffering and construction optimization.

A cooking appliance includes: a housing having a cooking chamber disposed in the housing and bounded by at least one cooking chamber wall of the housing; and a camera disposed in the housing for observing the cooking chamber and / or an item to be cooked placed in the cooking chamber, the camera being in image transmission connection with the cooking chamber via a housing opening in the at least one cooking chamber wall, the housing opening being sealed with respect to the cooking chamber by a transparent cover. The transparent cover is in heat transfer connection with a cover heater such that the transparent cover remains free from condensation in any operating state of the cooking appliance.

The present application relates to a graphite sintering furnace having four spliced insulation panels that can be removably spliced to form a square insulation lining. The insulation lining is mounted on a support seat, and an adjustable tightening device abuts and tightens against a second side surface. Multiple adjustable tightening devices are used to tighten the four spliced insulation panels. The spliced insulation panels are, from the outside to the inside, sequentially composed of a first ceramic fiber board layer, an asbestos felt layer, a first graphite felt layer, and a first graphite board layer, with the asbestos felt layer and the first graphite felt layer being filled and disposed between the first ceramic fiber board layer and the first graphite board layer. Only the burned spliced insulation panels need to be replaced, without replacing the entire insulation lining, thereby avoiding waste of a portion (the unburned side) of the insulation lining and reducing the replacement and maintenance costs of the insulation lining. Furthermore, the spliced insulation panels have good thermal insulation performance, thereby improving the thermal insulation performance of the insulation lining and preventing heat dissipation within the insulation lining to the greatest extent possible, thereby resolving related problems in the prior art.

To provide a monolithic refractory for dry spraying, which is made of all dry powder materials without using any material that is not dry powder, and is dry sprayed using water to form a construction body that has the same air permeability as that of a conventional material that is made of a non-dry powder but contains silica sol added, and dries quickly, thereby reducing the workload. [Solution] This is an unshaped refractory used when water is added to a powder mixture and sprayed from the tip of a nozzle, wherein the powder mixture contains dry powder refractory material, dry powder alumina cement, dry powder alumina gel, and dry powder cement mineral-based quick-setting agent, and the alumina cement is contained in an amount such that the calcium oxide component is within the range of 0.3 to 3.0% outer percentage relative to 100% refractory material, the dry powder alumina gel is contained in an amount within the range of 0.1 to 5.0% outer percentage relative to 100% refractory material, and the cement mineral-based quick-setting agent is contained in an amount within the range of 0.1 to 3.0% outer percentage relative to 100% refractory material. This is an unshaped refractory for dry spraying.

The invention belongs to the technical field of electric furnace temperature monitoring, and particularly discloses a distributed optical fiber temperature measurement calibration and early warning method avoiding interference of an electric furnace cooling pipe. The influence of the cooling pipe on the temperature sensing point is quantified according to the heat flux density ratio between the temperature sensing point and the cooling pipe, and the interfered temperature sensing point is screened based on the influence; the fitting temperature of the interfered temperature sensing point is corrected based on heat conduction loss or flow deviation of the cooling pipe; identifying peak temperature sensing points, and removing temperature sensing points with the gradient of the peripheral thermal field lower than a peak threshold in the heat affected area of the cooling pipe; performing early warning judgment based on the temperature rise rate of the peak temperature sensing point and a dynamic early warning threshold value; noise data in early warning judgment is eliminated based on the simulated heating rate; and finally, a temperature change curve of each temperature sensing point is smoothed based on the heat flow conservation constraint of the thermal field. According to the method, accurate monitoring of the electric furnace temperature under the influence of the electric furnace cooling pipe is achieved, and powerful support is provided for efficient production and safe operation of the electric furnace.

The invention relates to the field of semiconductor manufacturing equipment, in particular to a vertical furnace door sealing safety mechanism which comprises a lifting driving device, an inflation sealing ring and an inflation control system, and the inflation control system comprises a gap detection module, a material response model module, a temperature compensation module and an execution module. By constructing the multi-parameter coupling model among the gap size, the material performance, the temperature field and the inflation parameters, predictability and controllability of the sealing state are achieved, and the technical contradiction that the cold-state sealing integrity and the hot-state overpressure risk cannot be considered at the same time in a traditional fixed-pressure inflation mode is solved; the adaptability and safety of a sealing system under the variable-temperature working condition are remarkably improved, and the problems that according to a traditional sealing mode, an O-shaped sealing ring is poor in sealing performance and prone to aging due to the fact that the operation precision of a lifting device and the detection precision of a travel switch are reduced are solved.

The invention relates to a wire annealing process (1) for annealing a wire (7), in particular a metallic wire, in a continuous process with two contact discs (2, 3), an annealing section (4) arranged between them and annealing media for annealing the wire (7) in the annealing section (4). The wire annealing furnace (1) further comprises a first temperature sensor (9) for generating at least one first temperature measurement for the temperature of the wire (7) and a control device for controlling the temperature of the wire (7) to a setpoint temperature value, which is configured to control the annealing power generated by the annealing media as a function of the at least one first temperature measurement value such that the first temperature measurement value is essentially equal to the setpoint temperature value. The setpoint temperature value corresponds to a recrystallization temperature of the wire (7). In this way it is possible to set and maintain the temperature of the wire (7) in the annealing section (4) as precisely as possible at the value of the desired recrystallization temperature.

The utility model discloses a metal smelting splash-proof safety device, and particularly relates to the technical field of metal smelting protection, the metal smelting splash-proof safety device comprises a first shell, a protection plate is slidably connected in the first shell, ceramic coatings are connected to the front side and the rear side of the protection plate, first through holes are formed in the left side and the right side of the first shell, and the first through holes are communicated with the first shell. Second shells are connected to the positions, close to the first through holes, of the two sides of the first shell, lifting mechanisms are arranged in the second shells, a protection plate is arranged, and ceramic coatings are arranged on the two sides of the protection plate, so that the high-temperature tolerance of the protection plate is improved, and the protection effect is further enhanced; the protective plate can slide up and down in the first shell, so that splashing metal particles and melts are prevented from penetrating through the protective plate, the splash-proof effect is achieved, the protective plate can slide up and down in the first shell, the height of the protective plate can be adjusted according to on-site splash-proof requirements, the splashing metal particles and melts are prevented from being splashed to staff bodies, and the splash-proof effect is further improved.

The invention discloses a high-temperature purification furnace for CKM type graphite production, which comprises a high-temperature purification furnace body, the outer wall of the bottom of the high-temperature purification furnace body is fixedly connected with a supporting base, and the two sides of the outer wall of the bottom of the supporting base are both welded with supporting legs, and the high-temperature purification furnace also comprises a climbing mechanism which is fixedly connected to the outer wall of the top of the supporting base, the outer wall of the top of the climbing mechanism is fixedly connected with a supporting frame, and the climbing mechanism is used for overhauling and cleaning the high-temperature purification furnace body. The stirring mechanism is fixedly connected to the outer wall of the bottom of the supporting frame and comprises a first stirring unit, a first turning and stirring rod, a second stirring unit and a second turning and stirring rod. According to the high-temperature purification furnace for CKM type graphite production, graphite powder is stirred through the stirring mechanism, so that the graphite powder on the upper layer and the graphite powder on the bottom layer in the high-temperature purification furnace body are heated alternately, the heating uniformity in the graphite powder purification process is guaranteed, and the uniformity of the graphite powder purification degree is improved.

The utility model discloses a molybdenum concentrate self-heating type roasting device, and particularly relates to the technical field of molybdenum concentrate production, the molybdenum concentrate self-heating type roasting device mainly comprises a roasting furnace body, a plurality of heat exchange annular grooves are sequentially formed in each heat exchange annular groove from front to back, conveying inclined pipes are welded and communicated to the top ends of the heat exchange annular grooves, and flow dividing pipes are fixedly communicated to the top ends of the conveying inclined pipes; a recycling heat storage mechanism is installed on one side of the flow dividing pipe. The recycling heat storage mechanism comprises a three-way pipe installed on one side of the flow dividing pipe, and a pump machine used for pressurizing the oil body is installed at the bottom end of the three-way pipe. A pump machine is started through the recovery heat storage mechanism, so that the spiral inner pipe sucks oil into the suction pipe, the heated oil continues to circulate into the heat exchange ring grooves along the spiral inner pipe, roasting operation can be achieved through heat generated by self-heating of molybdenum concentrate, heat conduction oil in the heat preservation tank can be heated, and the heat conduction oil can be recycled. And the heat utilization rate is greatly improved in the molybdenum concentrate roasting process.

The furnace door control structure comprises a furnace door opening and closing assembly for controlling a furnace door to move relative to a furnace opening, so that the furnace opening is opened or closed; the furnace door opening and closing assembly is connected with the furnace door through a plurality of fine adjustment assemblies of the furnace door, each fine adjustment assembly comprises a rotating part connected with the furnace door and a positioning part connected with the furnace door opening and closing assembly, and the positioning parts and the rotating parts are controlled by adjusting parts to rotate relatively around a rotating shaft. And the angle of the furnace door can be adjusted in multiple directions relative to the furnace opening. The invention provides a furnace door control structure with multi-stage adjustment and accurate positioning functions to solve the problems that in existing PECVD equipment, fitting precision of a furnace door and a furnace opening is insufficient, sealing performance is poor, and heat is prone to leakage. According to the structure, the furnace door can open or close the furnace mouth through the furnace door opening and closing assembly, and the furnace door can be subjected to micron-order posture correction in a three-dimensional space by combining multi-dimensional angle adjustment of the fine adjustment assembly, so that the fitting precision of the furnace door and the edge of the furnace mouth is remarkably improved.

The invention discloses a die steel electric arc furnace top slag spraying and drainage device, and relates to the technical field of electric arc furnace auxiliary equipment, the die steel electric arc furnace top slag spraying and drainage device comprises a main body cover which covers a top furnace mouth of an electric arc furnace and is used for shielding and drainage of slag spraying of the electric arc furnace, and a driving upper seat is fixedly arranged at the center position of the upper end of the main body cover; the clamping parts are fixedly installed on the lower portion of the periphery of the main body cover in an annular array mode and used for fixedly installing the main body cover on a furnace opening of the electric arc furnace; the protection part is adjustably mounted on the driving upper seat and is used for protecting the electrode column and preventing sprayed slag from adhering to the surface of the electrode column; the scraping component is mounted on the main body cover and is used for scraping and guiding sprayed slag adhered to the interior of the main body cover; and the driving part is installed in the driving upper base and used for controlling movable adjustment of the protection part, the spraying slag is effectively prevented from being attached to the surface of the electrode column, and secondary mechanical damage caused by a traditional scraping mode is avoided.

The utility model provides a high-temperature kiln masonry structure, and belongs to the technical field of kiln masonry. Comprising refractory bricks, heat preservation bricks, connecting bricks and connecting heat preservation bricks, the refractory bricks are built to form kiln walls, the connecting bricks are arranged between the two sets of kiln walls, the heat preservation bricks are built on the outer sides of the refractory bricks, and the connecting heat preservation bricks are built on the outer sides of the connecting bricks; one side of each refractory brick is provided with a mounting groove, the mounting grooves of every two adjacent refractory bricks are combined to form an assembling groove, one side of each insulating brick is fixedly connected with a protruding block, the protruding blocks are mounted in the mounting grooves, and the width of the protruding blocks is larger than the depth of the mounting grooves. The insulating brick has the advantages that the approximately closed cavity is formed between the insulating brick and the refractory brick, the insulating brick does not make large-area contact with the refractory brick through the arrangement of the protruding block, heat enters the cavity through the refractory brick, the solid contact area is reduced, conduction heat is reduced, and the insulating effect is improved.

The invention discloses a temperature prediction method and device and a readable storage medium, and relates to the technical field of data processing. The temperature prediction method comprises the following steps: acquiring M time periods corresponding to the heating furnace and a furnace temperature prediction model, wherein M is an integer greater than 1; based on M groups of operation data corresponding to the M time periods, a first input data set of the furnace temperature prediction model is determined, and the M groups of operation data are in one-to-one correspondence with the M time periods; based on N historical input data sets of the furnace temperature prediction model, data updating processing is conducted on the first input data set to obtain a second input data set, and N is an integer larger than 1; and inputting the second input data set into the furnace temperature prediction model, and determining temperature prediction data of the heating furnace. And the temperature prediction accuracy of the heating furnace is improved.

The utility model relates to the technical field of refractory bricks, in particular to a refractory brick with a splicing structure, which comprises a refractory brick main body, an upper splicing piece is integrally arranged above the refractory brick main body, a lower splicing piece is integrally arranged below the refractory brick main body, and the upper splicing piece and the lower splicing piece are arranged in a staggered manner. The upper splicing pieces and the lower splicing pieces are of an engaged matching structure, clamping grooves are formed between the upper splicing pieces and the lower splicing pieces correspondingly, clamping pieces are clamped between the clamping grooves in the same layer, and heat dissipation grooves are formed in the front face and the rear face of the refractory brick body correspondingly. According to the refractory brick with the splicing structure, the splicing pieces clamped with each other are arranged above and below the refractory brick, meanwhile, the refractory brick is spliced in a staggered mode, integrity is higher, the splicing pieces are stable in structure and not prone to damage, and splicing stability is ensured. According to the refractory brick with the splicing structure, the penetrating clamping pieces are arranged between the splicing pieces, the clamping pieces are of a steel bar structure, and the structural strength of refractory brick splicing can be enhanced.

The utility model relates to a furnace wall with high heat preservation performance, which comprises a wall plate, a furnace wall upright post and a closed inserting plate, the wall plate is specifically arranged, and particularly a cavity inlet section and a cavity vertical section of a heat preservation cavity are specifically arranged, so that the heat preservation in the furnace can be realized through the heat preservation cavity when the heat preservation in the furnace is required; when heat dissipation is needed, the technical effect of efficient heat dissipation can be achieved by conducting gas communication between the heat preservation cavity and the interior of the furnace.

An electric arc furnace (10) usable for melting a metal charge (M), the electric arc furnace (10) comprising a vessel (11) having at least one peripheral wall (20) with a top opening (21), a side slag discharge opening (22) and a side input opening (43). A selectively openable roof (15) can be placed over the top opening (21) of the vessel (11), the roof (15) having a central portion (30) with one or more through holes (31) through which electrodes (32) for melting the metal charge (M) can be inserted to provide clearance.

The application discloses a kind of high-temperature-resistant impact-resistant heat-absorbing heat-insulating composite ceramic brick and its preparation method and application, the ceramic composite brick includes heat-insulating layer and heat-absorbing layer;The main component of the heat-insulating layer is vacuum nanometer heat-insulating ceramic particles and alloy metal particles containing one or more of tungsten, cobalt, molybdenum or vanadium elements;The main component of the heat-absorbing layer is 3N grade and above high-purity alumina and black pigment;The components of the heat-insulating layer and the heat-absorbing layer are filled in the same mold in sections, and then are pressed to form a composite.The heat-insulating layer not only has excellent heat-insulating performance, but also has good toughness and impact resistance;The heat-absorbing layer can quickly absorb heat and accumulate heat, the temperature rising speed in the furnace is increased by more than 30%, the set temperature is quickly reached, the heat-insulating performance is increased by more than 2 times, and has good practical value and important energy-saving and environmental protection social value.

The present invention relates to a double-door observation sight glass for a furnace, which is characterized in that: it includes a housing, ear seats, a glass sight glass door, a metal door and a locking assembly. Ear seats are symmetrically arranged on the left and right sides of the end of the housing. A glass sight glass door and a metal door are respectively rotatably installed on each ear seat through a pivot. The glass sight glass door and the metal door are locked at the port of the housing through the locking assembly. The design of the present invention is scientific and reasonable, and has the advantages of unrestricted aperture, strong anti-pollution ability, good heat insulation effect, easy maintenance, convenient use and easy implementation. It is a double-door observation sight glass for a furnace with high innovation.

The application discloses a multi-channel shaft kiln for calcining magnesite, wherein a distributing vehicle and a discharging device are located at the top and bottom of a kiln body. The kiln body is provided with a preheating section, a calcining section and a roasting section from top to bottom, and square strip-shaped channels are arranged in the kiln. A combustion chamber is arranged in the furnace wall on both sides of the calcining section with a width of 40-80 cm, the combustion chamber is built by hollow integral combustion bricks, the combustion chamber is communicated with the calcining section by cross-distributed through holes, the through hole outlet is downwardly inclined, and an inclined convex block is arranged at the top. The lower part of the roasting section is provided with an upper collecting opening and a lower expanding opening structure, an air pressure pipe is arranged in the inclined brick of the upper collecting opening, the opening of the air pressure pipe is downwardly inclined and communicated with the roasting section, and the lower expanding opening is matched with the upper semicircular surface of the discharging device. The middle part of the upwardly inclined distributing main pipe of the distributing vehicle is communicated with the branch pipe which is inclined and changed in direction, and a change valve is arranged in the main branch pipe. The application provides a comprehensive solution of the shaft kiln with high calcining quality, energy saving, low investment and long service life for calcining magnesite, and can also be used for high-quality calcining of small-particle materials.

The present application relates to the technical field of metal powder manufacturing, in particular to a metal powder metallurgy sintering furnace and a sintering method thereof, which comprises the following steps: feeding a blank into a sintering furnace for pre-sintering to obtain a pre-sintered blank; heating the pre-sintered blank to a preset sintering temperature and then keeping warm, and after keeping warm for a first preset time, a sintered blank is obtained; when it is determined that the preparation of the sintered blank is at risk of being unqualified according to a sintering distortion representation value, it is determined whether the preparation of the sintered blank is qualified according to a distortion peak value of the risk sintered blank; when it is determined that the preparation of the sintered blank is unqualified according to the sintering distortion representation value, a treatment strategy for the unqualified preparation of the sintered blank is determined according to a densification deviation representation value of the sintered blank; the sintered blank meeting the preset standard is kept warm for a second preset time, and the to-be-remedied blank is kept warm for a remediation warm-keeping time; after the warm-keeping is completed, unified cooling is performed to obtain a sintered product, thereby improving the sintering efficiency of the sintering furnace.

Disclosed herein is a furnace for producing single crystal boules, the furnace comprising a furnace wall; a plurality of crucibles, where each crucible is operative to contain a melt that is contacted by a different pull rod; where each pull rod is attached to seed crystal; a first drive system that is located above the furnace and is configured to drive a first main shaft that is either in a geared or belted communication with a plurality of first planetary shafts; where each pull rod is in rotary communication at least one planetary shaft; where each pull rod is operative to contact the melt while undergoing rotary and translational motion with respect to a melt in one of the plurality of crucibles; where each crucible is surrounded by an induction coil and a refractory lining; and wherein each induction coil and refractory lining lie within the furnace wall.

The utility model discloses an anti-falling and anti-unfixing structure for a side face installation grid, and belongs to the technical field of pressing machines. The anti-falling and anti-unfixing structure for side face installation of the grid is applied to a frame and the grid, an anti-inclination plate is welded to the top end of the frame and comprises a plate part, a bent part is arranged at one end of the plate part, a supporting plate is welded to the bottom end of the frame, and the grid is installed between the bent part and the supporting plate in a clamped mode. The utility model discloses an anti-falling grid which comprises a frame, a grid is arranged on the frame, the edge of the outer wall of the grid is connected with a fixing bolt in a penetrating mode, the grid is connected with the frame through the fixing bolt, the frame comprises a vertical rod, a transverse rod is welded to the bottom end of the outer wall of the vertical rod, and an angle plate is welded to one end of the transverse rod. And property loss or casualties caused by falling of the grids when the machine runs due to the fact that the grids are not fixed can be prevented.

According to exemplary embodiments of the present invention, an ammonia burner is provided. The ammonia burner comprises: an air supply pipe configured to provide air to a front end side; a main fuel supply pipe disposed inside the air supply pipe and configured to provide first fuel to the front end side; and a first auxiliary supply pipe disposed outside the main fuel supply pipe with respect to the central axis of the air supply pipe inside the air supply pipe, the first auxiliary supply pipe being configured to provide second fuel containing ammonia to the front end side, and the first auxiliary supply pipe comprising an injection port inclined in a direction away from the central axis of the air supply pipe.

The utility model belongs to the technical field of semiconductor process equipment, and discloses a sealing door mechanism and semiconductor process equipment. The sealing door mechanism comprises a sliding assembly, a door body and a driving assembly, the sliding assembly comprises a guide rail and a low-dust-generation sliding block, and the low-dust-generation sliding block is installed on the guide rail in a sliding mode. The door body is installed on the low-dust-generation sliding block and can move to a first preset position and a second preset position along the guide rail. The driving assembly comprises a driving piece and a low-dust-emission connecting piece, and the driving piece can enable the door body to move to any one of the first preset position and the second preset position through the low-dust-emission connecting piece. Through the sealing door mechanism, the opening and the sealing of the equipment opening can be realized, and meanwhile, the low-dust-emission sliding block and the low-dust-emission connecting piece can obviously reduce particulate matters and metal ions generated due to the friction effect, so that the cleanliness of the internal environment of the semiconductor process device is protected, and the service life of the semiconductor process device is prolonged. Therefore, high product quality and yield of the processing technology of products such as wafers and the like can be ensured.

A microwave process and apparatus for processing ore, including a supply of reaction gases from Unipolar electrolysis, which provides an efficient and economical source of reaction gases The process and apparatus includes a reaction gas microwave pre-heat zone to pre-heat the reaction gases to a first temperature prior to input into a main reactor body where the temperature is raised to a higher second temperature to melt the ore and process it into desirable products, such as green steel in an energy efficient manner with reduced emissions.