245results about "Furnace safety devices" patented technology

Apparatuses, systems, and methods to monitor the integrity of a container protected by a refractory material are disclosed having a first radiation detector to measure an external surface temperature of the container, a first radiation source to measure a thickness of the refractory material, and a central controller configured to display to a user the measurement of the external surface temperature of the container and the measurement of the thickness of the refractory material.

A fault diagnosis method for an electrical fused magnesia furnace includes steps of: 1) arranging six cameras; 2) obtaining video information by the six cameras and sending the video information to a control center; then analyzing the video information by a chip of the control center; wherein a multi-view-based fault diagnosis method is used by the chip, comprising steps of: 2-1) comparing a difference between two consecutive frame histograms for shots segmentation; 2-2) computing a set of characteristic values for each shot obtained by the step 2-1), and then computing color, texture, and motion vector information; finally, evaluating shot importance via entropy; 2-3) clustering shots together by calculating similarity; 2-4) generating and optimizing a multi-view video summarization with a multi-objective optimization model; and 2-5) providing fault detection and diagnosis; and 3) displaying results of the fault detection and diagnosis on a host computer inter face of the control center.

A ceramic capacitor comprises a ceramic sintered body, and first and second terminal electrodes formed on outer surfaces of the ceramic sintered body. The first terminal electrode is electrically connected to a land formed on a substrate through a first metal terminal. The first metal terminal has a first capacitor connecting portion mechanically connected to the first terminal electrode, a first terminal portion mechanically connected to the land, and a first intermediate portion electrically connecting the first capacitor connecting portion and the first terminal portion to each other. The first capacitor connecting portion of the first metal terminal is parallel to the substrate.

A continuous sintering furnace has an entrance-side deaerating chamber through which trays each with an material to be sintered being mounted thereon may pass, preheating, heating and cooling zones into which the trays are sequentially fed from the deaerating chamber, an exit-side deaerating chamber through which the trays having passed through the cooling zone may pass, a pusher for pushing the tray from the deaerating chamber to the preheating zone, a puller for pulling the tray from the cooling zone to the deaerating chamber, an intermediate puller for pulling the tray from the heating zone to the cooling zone, a vertically movable door between the deaerating chamber and the preheating zone, a vertically movable intermediate door adjacent to the door and arranged at an upstream end of the preheating zone in the direction of transportation of the trays, a vertically movable intermediate door between the heating and cooling zones and a vertically movable door between the cooling zone and the deaerating chamber. With the door being at a lowered position thereof for closing, heat input is suppressed to the cooling zone. Movement of the trays in the cooling zone is effected by the intermediate puller so as to decrease the number of trays needing to be pushed by the pusher.

The invention concerns an alumnium melting method, which consists in introducing solid aluminium into a furnace (2), melting the aluminium to form an aluminium bath (4), detecting variations in carbon monoxide (CO) and / or hydrogen (H2) concentration and the temperature in the fumes (6) exiting from the furnace, deducing therefrom the formation of aluminium oxide at the surface of the alumnium bath (4), regulating the melting process on the basis of aluminium oxide formation. The invention also concerns a device for detecting and analyzing fumes exiting from the furnace and an aluminium melting furnace comprising said detecting device.

A process and a device for melting aluminum where solid aluminum is melted in a furnace to form aluminum melt pool. The temperature and carbon monoxide (CO) concentration of the flue gas generated in the melting process is detected and examined for variations. Using this variation information, it is determined if aluminum oxides have formed on the surface of the aluminum melt pool and if they have, the melting process is regulated accordingly.

Cracking of a crucible can cause heavy damage to the system in melting furnaces. A reliable monitoring of threatening breaking out of the melt is therefore needed. For this purpose a monitoring device for melting furnaces is provided to monitor the breaking out of melt and includes a closed circuit consisting of several conductor sections with at least a partially conducting surface and a measuring / displaying device. A first conductor section is series connected through an ohmic resistor R to a second conductor section. The first conductor section is arranged directly adjacent, however, electrically isolatingly spaced from and with respect to the second conductor section.

The present invention provides a technique in which a reduction in yield rate caused by particles occurring in the processing furnace is suppressed. The technique includes a substrate processing apparatus comprising a transfer chamber including a gas supply mechanism on a side surface thereof and configured to transfer a substrate to a substrate holder, a processing furnace, a furnace opening, a cap having the substrate holder placed thereon and configured to close the furnace opening, a raising / lowering mechanism configured to raise and lower the cap, a measurer installed at a position facing the gas supply mechanism in the transfer chamber with the substrate holder interposed therebetween, and configured to count a number of particles at the furnace opening, and a control unit configured to control the raising / lowering mechanism and the measurer so as to start measurement of a number of particles by the measurer when the furnace opening is opened.

An automatic charge hearth access door assembly for a melting furnace includes an access door movable between a closed position for covering a furnace opening located on a face of the furnace and an opened position for providing access to the furnace opening. A latch mechanism is configured to automatically secure the access door to the face of the furnace in the closed position. An open-and-close drive assembly includes a motor and arm operably connected to the motor. The open-and-close drive assembly is configured to automatically move the access door relative to the face of the furnace between the closed position and opened position and simultaneously move the access door relative to the arm.

A device to mitigate hydrogen explosions in a vacuum furnace includes at least one igniter, an ignition transformer, and an electrical switch. The at least one igniter includes a set of high-voltage electrodes and is connected to the ignition transformer by high-voltage wires. The electrical switch activates the ignition transformer to provide power to the at least one igniter forming a continuous electrical arc between the electrodes. The at least one igniter is located inside the vacuum furnace at an opening where air may enter the vacuum furnace, which may contain a hydrogen and steam gas mixture under accident conditions. The device consumes hydrogen by controlled combustion as flammable mixtures are formed.

Apparatuses, systems, and methods to monitor the integrity of a container protected by a refractory material are disclosed having a first radiation detector to measure an external surface temperature of the container, a first radiation source to measure a thickness of the refractory material, and a central controller configured to display to a user the measurement of the external surface temperature of the container and the measurement of the thickness of the refractory material.

A system and method for removing impurities in an induction furnace cooling system is disclosed. An induction furnace for heating a workpiece includes a chamber, an induction coil positioned in the chamber to provide for heating of the workpiece when a current is provided to the induction coil, and a cooling system fluidly coupled to an interior volume of the chamber, the cooling system including a heat exchanger, a blower fluidly coupled to the heat exchanger and configured to cause a gas to flow through the heat exchanger, and a filter assembly comprising a filtering device, the filter assembly fluidly coupled to the blower and configured to remove impurities from the gas flowing through the cooling system.

A system and method for facilitating the maintenance of an industrial heat treating furnace are disclosed.

The invention provides an adjustable furnace roller deformation monitoring and alarming device based on infrared intrusion sensors. One end of each furnace roller is a power input end, and the other end of each furnace roller is a free end; furnace roller deformation monitoring devices are installed on two sides of the free ends of one column of furnace rollers and are infrared emitting / receivingportions separately; each emitting / receiving portion comprises a damping base, a slide board, a damping table, a lifting mechanism, an infrared emitter, an infrared receiver, a processing circuit module and an acousto-optic alarm; each infrared emitter emits a horizontal light beam to the corresponding receiver; when the furnace rollers deform or are broken, the light beam is shielded, a receivedelectric signal frequency map changes and cannot be matched with a reference signal frequency, the acousto-optic alarms give an alarm; the sliding boards and lead screw lifting mechanisms can controlthe specific positions of infrared intrusion devices, and monitoring of different deformation amounts is achieved; the damping tables can greatly reduce the longitudinal and transverse vibration transmitted to the sensors when a furnace body works, monitoring and alarming for furnace roller deformation can be carried out, and the operation safety of a furnace is guaranteed.

An apparatus and method is disclosed for continuously sintering a web of multiple layers of media material with a sintering furnace. In a preferred form of the invention, a plurality of web media materials are interposed between refractory materials and are simultaneously sintered in the sintering furnace. Following sintering the plurality of web media materials are separated from the refractory materials and the web media materials are independently rolled onto a plurality of output rollers. A tension device applies a tension acting upon opposed ends of the refractory materials for maintaining a constant tension therebetween for maintaining a constant force on the upper and lower surfaces of the plurality of media materials.

The present disclosure relates in general to a furnace apparatus and in particular to a system including a method and apparatus for detecting leaks in fluid-cooled panels, burner housings, and / or any fluid cooled component for industrial furnaces such as metal smelting furnaces, blast furnaces, electric arc furnaces (EAFs) or the like.

A system and method for insulating an induction vacuum furnace is disclosed. An induction furnace for heating a workpiece includes a chamber, an insulation cylinder positioned within the chamber, and an induction coil positioned to surround at least a portion of the insulation cylinder. A susceptor is positioned within the insulation cylinder and inductively heated by the induction coil when a current is provided to the induction coil. An insulating jacket assembly including one of a carbide material and a refractory metal is positioned in a space between the insulating cylinder and the susceptor.

The furnace equipment comprises partition walls in which hot gases from roasting carbonaceous blocks circulate, and heating ramps (21, 22, 23) with nozzles or fuel injectors rotating relative to said furnace. A gas circulation line (24) is enclosed along said partition between the air blowing arm (20) and the corresponding gas suction arm (12). In order to detect even partial partition blockages, the method comprises, continuously: a) for each gas circulation line, recording at least one of the following measured parameters: temperature, pressure, flow, oxygen concentration and carbon monoxide concentration; b) evaluating the at least one factor obtained by measuring the parameter; c) comparing the factor with a corresponding reference value; and d) signaling a fault when the comparison between said factor and said corresponding reference value does not satisfy a predetermined safety criterion.

A method for detecting a leakage in the area of at least one cooling device of a furnace, wherein, in the event of a leakage, liquid coolant gets into a furnace chamber of the furnace from the at least one cooling device, and wherein a stream of exhaust gas is continuously removed from the furnace chamber over a period of time Z. The steps include dividing off a representative partial stream from the stream of exhaust gas during the period of time Z; condensing vaporous constituents contained in the partial stream; determining a stream of condensate obtained; comparing the stream of condensate obtained with a condensate-stream limit value; and indicating a leakage if the stream of condensate exceeds the condensate-stream limit value. Also a device for carrying out the method and a furnace with such a device are disclosed.

The invention discloses an anti-explosion safety industrial furnace which comprises a working block. A combustion space is arranged in the working block. A first pipeline with the right end wall communicated with the combustion space and the left end wall communicated with the outside space is arranged in the left end wall of the combustion space. A second pipeline with the right end wall communicated with the combustion space and the left end wall communicated with the outside space is arranged in the lower end wall of the first pipeline. A buffering pipeline with the upper end wall communicated with a slide groove in the right end of a first partition plate is arranged in the lower end wall of the slide groove. A buffering groove with the upper end wall communicated with the buffering pipeline and the left end wall communicated with the outside space is formed in the lower end wall of the buffering pipeline. The anti-explosion safety industrial furnace is simple in structure and convenient to operate, can rapidly and effectively detect whether gas in the furnace can explode or not after being ignited, has a buffering effect after a small amount of gas is ignited, is quite well protected against explosion, and has quite high applicability.

The invention relates to a measurement device and a measurement method for a smelter, in particular to a measurement controller and a measurement control method for the smelter, and belongs to the technical field of medical equipment. The measurement controller structurally comprises a high-temperature-resistant controller body; a measurement rod passage extending leftwards and a measurement passage extending rightwards are formed in the two ends of the controller body correspondingly; a left outer shell is arranged from the left side of the controller body to the outside of the measurement rod passage; a right outer shell is arranged from the right side of the controller body to the outside of the measurement passage; the inner walls of the left outer shell and the right outer shell are provided with linings; an end cover is arranged at the end of the measurement rod passage; and the measurement passage is connected with a to-be-measured position of the smelter. It is ensured that high-temperature and high-pressure gas in the smelter does not leak while gas and charge in the smelter are taken out during blast furnace production.

The invention relates to a lifting frame device, in particular to a high-temperature vacuum sintering furnace lifting frame device. The high-temperature vacuum sintering furnace lifting frame device is high in safety and simple to use. According to the technical scheme, the high-temperature vacuum sintering furnace lifting frame device comprises a bottom plate and supporting frames, a placing assembly and a lifting mechanism, wherein the supporting frames are arranged on the bottom plate at equal intervals; the placing assembly is connected between the supporting frames; and the lifting mechanism is arranged on the placing assembly. Through cooperation of the placing assembly and the lifting mechanism, a vacuum sintering furnace can move up and down, and therefore people can use the vacuumsintering furnace conveniently.

The invention relates to an energy-saving environment-friendly efficient hot blast cupola. The energy-saving environment-friendly efficient hot blast cupola comprises a smelting device and a waste gas treatment device which are connected. The smelting device comprises a cupola body, a front ladle, a first smoke pipe, a combustion chamber, a preheating furnace, a cold air fan, a heat exchanger, an air blower and a second smoke pipe, wherein the cupola body is provided with a hot air inlet; a feeding inlet is formed in the upper end of the cupola body, and the lower end of the cupola body communicates with the front ladle; the cupola body comprises a smoke chamber which communicates with the combustion chamber through the first smoke pipe; the preheating furnace communicating with the combustion chamber is arranged on the lower portion of the combustion chamber; the two sides of the upper portion of the combustion chamber communicate with the cold air fan and the heat exchanger correspondingly; the air blower is arranged on one side of the heat exchanger; a cold air inlet of the heat exchanger communicates with an air outlet of the air blower, and a hot air outlet of the heat exchanger communicates with the hot air inlet of the cupola body; and the lower portion of the heat exchanger communicates with the waste gas treatment device through a cooling chamber. According to the energy-saving environment-friendly efficient hot blast cupola, pig iron and scrap iron are both smelted into molten iron, the purity of the generated molten iron is high, the energy-saving and conversion efficiency is high, and meanwhile discharged waste gas is free of pollution.

The invention discloses a casting melting device with a splash-proof component. The device comprises a heat-insulating furnace body, a crucible is placed in the furnace body, a heating piece is fixedly arranged on the inner wall of the furnace body, a cover plate is placed at the top of the furnace body, the splash-proof component for feeding is fixedly arranged at the middle end of the top of the cover plate, a movable assembly is arranged between the cover plate and the furnace body, the relative displacement of the cover plate and the furnace body is changed, and a discharging mechanism is arranged between the crucible and the furnace body; and the furnace body made of the heat insulation material can reduce outward loss of heat, so that the influence of the heat on the surrounding environment is reduced, in addition, the feeding safety can be improved by arranging the splash-proof component, molten metal cannot be splashed out and intercepted in the furnace body under the shielding of the splash-proof component, meanwhile, the splash-proof component has certain sealing performance, the heat loss can be prevented in a molten state, heat loss can be prevented in time under the feeding condition, and the high-temperature influence in the feeding process is reduced.

The invention provides a kiln cooling wall leakage acquisition unit and device and a cooling wall detecting method. The acquisition unit used for acquiring environment information of a cooling wall isprovided, sudden changes of the environment information are read by acquiring the environment information of the cooling wall, and weather the cooling wall has leakage or not and the leaking positionare further judged. By means of the scheme, influences to supply of cooling liquid are small, the acquisition and detection precision is high, and the cooling wall leakage detection precision and convenience are improved.

The present invention relates to a remote wireless communication control system for submerged arc furnace reactive compensation. The system includes a remote wireless communication control machine and a submerged arc furnace reactive compensation device. The remote wireless communication control machine further includes a MS-RSCM302 security communication module integrated with a MS-3G network communication module, and a MS-NC2 serial port conversion module. The submerged arc furnace reactive compensation device includes a control cabinet and a capacitance automatic compensation cabinet. The control cabinet comprises a MS-RSCM302 security communication module, a MS-NC2 serial port conversion module, a DVPEH2 PLC controller, a programmable multi-function network instrument and a touch screen; while the capacitance automatic compensation cabinet comprises multiple compensation units. The present invention performs remote Internet communication and data collection via cable modem, wireless transmission and 3G, while remote monitoring and data reading on each site are realized through installation of customized software in the computers and smart phones, to further remotely manage the actual operation status of the submerged arc furnace reactive compensation device and to solve such maintenance burdens as tedious on-site maintenance and long maintenance time.

The invention discloses an ignition optimal control method for a sintering machine. The ignition optimal control method comprises the steps that valves controlling natural gas and air flow are connected with PLC / DCS systems correspondingly, and PID closed-loop control is adopted; a flow follow-up regulation mode is used, an air-fuel ratio and natural gas flow are set, and according to the formulathat natural gas flow*air-fuel ratio=air flow, the set air flow is obtained; then an ignition temperature control mode is used, and according to the deviation of target temperature and the current temperature, a new natural gas flow target value is calculated; then an ignition strength control module is used, the current ignition strength is obtained, and then target ignition strength is given according to the current ignition strength; and then according to the target ignition strength, the natural gas flow needing to be achieved is obtained, and then air flow is obtained through the air-fuelratio. According to the ignition optimal control method, a waste or flameout phenomenon of natural gas is avoided, meanwhile stability of PID closed-loop control in the regulation process is ensured,instable burning is prevented, and thus operation of the sintering machine is safer, more reliable and more stable.

The invention discloses a bell-type furnace which comprises a furnace body with a hearth, a movable furnace door for sealing a furnace opening of the hearth and an air inlet device for introducing protective atmosphere into the hearth. A plurality of air inlets for introducing the protective atmosphere into the hearth are formed in the movable furnace door, and all the air inlets are connected with an air source supplying the protective atmosphere. The bell-type furnace has the advantages of being simple in structure, low in cost, easy to install and maintain, good in temperature and atmosphere uniformity, capable of improving the product quality and the like.

The invention discloses a trolley grate bar image shooting and detecting method for a sintering machine, and the method can also detect the total number of grate bars very conveniently and accurately,can locate the missing positions of the grate bars, carries out the fault diagnosis and the like according to the missing conditions of the grate bars, and takes corresponding maintenance measures. And secondly, the inclination angle of the grate bar can be detected very conveniently and accurately, and the grate bar with an overlarge inclination angle can be positioned, so that fault diagnosis and the like can be carried out, and corresponding maintenance measures can be taken. And thirdly, the method can very conveniently and accurately detect the pasting and blocking proportion condition of the grate bars, and can position the missing position of the grate bars which are pasted and blocked seriously, so that fault diagnosis and the like are carried out, and corresponding maintenance measures are taken. And fourthly, the method can very conveniently and accurately detect the spacing of the grate bars, and can position the grate bars with overlarge spacing, so that fault diagnosis and the like can be carried out, and corresponding maintenance measures can be taken.