47 results about "Hot box" patented technology

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The invention provides a hot box and a false twist texturing machine. The hot box comprises a box body, a plurality of hot rails arranged in the box body and a flow guide device arranged at the bottoms of the hot rails. The flow guide device comprises a flow guide wall which is obliquely arranged downwards relative to the horizontal plane, and a flow guide pipe connected to the flow guide wall; the bottom end, close to the flow guide device, of the hot rail is provided with an inclined guide part extending towards the flow guide wall, the end, close to the hot rail, of the flow guide wall abuts against the inclined guide part or partially extends into the inclined guide part, and the oil dirt is guided to the flow guide pipe from the inclined guide part through the flow guide wall. According to the flow guide device disclosed by the invention, the energy consumption of the hot box and the false twist texturing machine is reduced.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The utility model provides a hot box with a flow guide structure and a false twist texturing machine, the hot box with the flow guide structure comprises a box body and a plurality of hot rails arranged in the box body, the box body integrally forms the flow guide structure, and the flow guide structure extends to the bottom ends of the hot rails along the length direction; the flow guide structure comprises a bottom wall inclining downwards relative to the horizontal plane, two oppositely-arranged side walls extending in the length direction of the bottom wall, and a flow guide pipe connected to the bottom wall, wherein the end, close to the hot rail, of the bottom wall abuts against the bottom end of the hot rail or partially extends into the bottom end of the hot rail. The bottom wall and the side wall jointly form a diversion trench communicated with the diversion pipe, and the diversion trench and the diversion pipe jointly form a discharge channel for discharging oil dirt and / or oil fume out of the box body. According to the hot box with the flow guide structure, the energy consumption of the hot box and the false twist texturing machine is reduced.

The utility model provides a hot rail, a hot box and a false twist texturing machine. The hot rail comprises a rail body, a plurality of channels for heating chemical fibers are formed in the rail body in the length direction of the rail body, and groove walls are formed on the two sides of the channels. At least part of the bottom end, in the length direction, of the rail body is constructed into a guide part inclining downwards relative to the horizontal plane, and the groove channel and the groove wall extend to the guide part along the bottom end, in the length direction, formed by the rail body. According to the hot rail, the hot box and the false twist texturing machine, oil dirt at the bottom end of the hot rail is prevented from dripping from a gap between the hot rail and the door plate.

The utility model relates to the field of building thermal performance detection, especially a kind of house wall thermal insulation performance detection device, including cold box, hot box and test piece frame, the cold box and hot box are located respectively two sides of the test piece frame, the test piece frame includes top frame and bottom frame, the top frame and bottom frame are all U-shaped structure, two relatively set assembly connection, the horizontal portion of the bottom frame is provided with clamping device, the clamping device is clamped and fixed to wall body.The test piece frame in the utility model adopts split assembly type structure, is favorable to the disassembly of worker to wall body, improves the convenience of detection work.

The invention discloses a thin strip steel continuous casting and rolling unit and a strip steel rolling process method thereof, and the thin strip steel continuous casting and rolling unit comprises a steel ladle, a tundish, a transition ladle, a casting roller, a first pinch roller, a first rolling mill, a second rolling mill, a plate shape instrument, a cooling device, a second pinch roller, a flying shear, a turning roller and a coiling machine which are sequentially arranged in the rolling direction. A hot box and a loop are arranged between the first rolling mill and the second rolling mill. The thin-strip continuous casting and rolling unit further comprises a controller electrically connected with the strip shape instrument and a thermodetector electrically connected with the controller, and the thermodetector is used for obtaining the temperature of the strip steel at the preset position. The continuous rolling unit capacity of a thin-strip continuous casting and rolling production line can be brought into full play, guarantee is provided for improving the steel product quality, improving the production efficiency, lowering the operation cost and the like, and conditions are provided for development of high-end steel types (such as ultrahigh-strength steel and silicon steel).

The invention provides a method for eliminating the color difference defect on the surface of hot-rolled low-carbon thin strip steel with high efficiency and low cost. According to the method, the chemical components and the strip casting temperature of the hot-rolled low-carbon thin strip steel and the introduction amount of N2 protective atmosphere in the first hot box, the second hot box and the third hot box are optimized, meanwhile, the air flow of the upper surface and the lower surface in the third hot box is controlled, the low oxidation environment is kept, it is guaranteed that rolling lubrication of the hot-rolled low-carbon thin strip steel is guaranteed, and thin oxide skin is generated before rolling; and then the layer cooling outlet temperature and the coiling temperature are controlled, and the uniformity of the strip steel transverse cooling outlet temperature and the coiling temperature is guaranteed. By applying the method, the thickness and the structure of the hot-rolled low-carbon thin strip steel oxide skin can be uniform and consistent, and the defect of color difference on the surface of the thin-strip cast-rolled low-carbon thin strip steel is efficiently eliminated at low cost.

The invention relates to a multi-mode automobile part cold and hot water circulation test system and method. The invention discloses a multi-mode automobile part cold and hot water circulation test system which comprises a refrigeration system, an inner circulation system and an outer circulation system. The internal circulation system is provided with a cold box and a hot box; the outer circulation system is provided with an outer circulation main path and a water circulation branch path; the water circulation branch comprises a first water inlet branch, a second water inlet branch, a first water return branch and a second water return branch which can be independently controlled; the first water inlet branch and the second water inlet branch are arranged on the water inlet side of the outer circulation main path in parallel. The first water return branch and the second water return branch are arranged on the water return side of the outer circulation main path in parallel. The first water inlet branch and the first water return branch are connected with the cold box; and the second water inlet branch and the second water return branch are connected with the hot box. According to the cold and hot water circulation test system, multiple test modes are integrated, high and low temperature conversion is achieved through linkage switching of multiple electromagnetic valves, and the energy utilization rate is increased.

The invention belongs to the technical field of stainless steel production, and particularly relates to a stainless steel double-roller ultrathin strip cast rolling and on-line solid solution integrated arrangement structure which is sequentially provided with a double-roller cast rolling machine, a hot box, a single-rack four-roller irreversible rolling mill, an on-line solid solution device, an ultrafast cooling device, a flying shear and a coiling machine in the direction of a solid solution stainless steel strip production line. Compared with the prior art, the cast rolling and online solid solution integrated arrangement structure for the stainless steel double-roller ultrathin strip has the advantages that on one hand, waste heat generated after cast rolling is fully utilized, and secondary heating before solid solution is omitted; on the other hand, the process chain is shortened, and the energy consumption of intermediate carrying and storage is reduced; and finally, waste heat can be efficiently recycled, and the waste heat after casting and rolling is used for solution treatment, so that carbon emission is reduced.

The utility model provides a hot box and a false twist texturing machine. The hot box comprises a box body, a plurality of hot rails arranged in the box body, a heating channel formed in the length direction of the box body and provided with the hot rails, and a connecting and guiding structure arranged in the heating channel and arranged below the hot rails in the vertical direction. The heating channel forms an outlet part for discharging chemical fibers in the box body; the guide structure comprises a flow guide wall intersecting with the vertical normal of the bottom end of the hot rail, a window allowing chemical fibers to pass through is formed in the flow guide wall, the flow guide pipe is connected to the flow guide wall to discharge greasy dirt and / or lampblack out of the box body, and the flow guide wall seals part of the outlet part. According to the hot box disclosed by the invention, the energy consumption of the hot box and the false twist texturing machine is reduced.

The utility model discloses a split type hot box top device which comprises a top plate body arranged on the top of a hot box frame, and the top plate body is fixedly connected with the hot box frame through a plurality of fasteners. A water inlet and a water return hole are formed in the top of the top plate body, a cooling liquid channel is formed in the bottom of the top plate body, one end of the cooling liquid channel is connected with the water inlet, the other end of the cooling liquid channel is connected with the water return hole, and the water inlet is communicated with the water return hole. The top of the top plate body is further fixedly connected with a hot box cover plate used for pressing the top plate body, and hydraulic cylinders used for overturning the hot box cover plate are arranged on the two sides of the hot box cover plate. According to the utility model, the top plate main body and the hot box frame body form a detachable assembly by arranging the fastener and the sealing strip, so that the replacement of the top plate main body and the development of various maintenance work in the hot box are facilitated, the maintenance efficiency and the installation quality are improved, the labor intensity can be reduced, and the top plate can be widely applied to continuous casting equipment.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The utility model discloses an elasticizer hot box using steam for uniform heating, which comprises a box body structure, an adjusting heating structure is arranged in the box body structure, the box body structure comprises a box body, a clamping groove is formed in the upper part of the box body, a wire penetrating hole is formed in the surface of the box body in a penetrating manner, and meanwhile, a hollow seat is fixedly arranged in the box body; and a heating water tank with a heating plate inside is fixedly mounted above the hollow seat. A draught fan is fixedly installed on the surface of the heating water tank, a branch pipe is installed in the hollow base in a penetrating mode, one end of the draught fan is connected with the branch pipe in an embedded installation mode through a connecting pipe, L-shaped pipes are installed at the two ends of the branch pipe, corrugated pipes are installed above the L-shaped pipes, and clamping grooves are matched with the tank cover in a clamped mode through clamping blocks. And the adjusting heating structure comprises a cavity frame with the interior being of a hollow structure, and the elasticizer hot box achieving uniform heating through the steam plays a role in split-flow conveying through the arranged branch pipes.

The invention relates to the technical field of hot boxes, and provides a hot box door locking mechanism, a hot box and a false twist texturing machine, the hot box door locking mechanism comprises at least one hold-down mechanism, a transmission shaft driving the hold-down mechanism to rotate, and a hold-down handle driving the transmission shaft to rotate; the hold-down mechanism comprises a rotary hold-down piece and a holding assembly, the transmission shaft penetrates through the holding assembly and is connected with the rotary hold-down piece, the hold-down handle rotates to form a first shaft, and in the process that the transmission shaft drives the rotary hold-down piece to rotate, mutual separation of the rotary hold-down piece and the hot box door is changed into mutual contact, so that the hot box door is pressed to rotate to the closed state face. The pressing handle drives the at least one pressing mechanism to apply pressing force to the edge area of the hot box door so as to press the hot box door to rotate to the closed state face, and the problems of heat loss and high energy consumption caused by the fact that the hot box door cannot effectively close the heating cavity are solved.

The utility model discloses a lifting heating track door and energy -conserving heat box of false twist texturing machine, in the light of traditional heat box energy consumption is high, the problem of big heat loss, lifting heating track door adopts arc heat preservation covering structure, curvature radius R20010 1mm, and the clearance control is at 5 15mm between hot rail, cooperates " connecting rod + elastic piece + double fulcrum " structure, ensures that the micro -gap is under the stable opening and closing, and the door body is equipped with multilayer composite heat preservation structure and mirror surface reflection film, and the heat preservation and heat radiation utilization are strengthened. Energy -conserving heat box adopts the modular vertical design, utilizes the heat medium natural convection, and is equipped with the asbestos heat preservation layer between the box and the shell. The experiment shows that the energy consumption is reduced by 69% than the traditional heat box when the clearance is 5mm, and the operation is convenient, the temperature uniformity is promoted, is applicable to the chemical fiber false twist texturing process, and the energy consumption and production cost are reduced significantly.

The invention discloses processing equipment for a hot box and a hot rail of an elasticizer. The processing equipment comprises a workbench, a clamping device, a cutting device, a polishing device and a driving device, the cutting device comprises a sliding plate and a cutting motor; the cutting motor is connected with a cutting blade through a cutter shaft; the grinding device comprises a fixing plate and a transmission shaft, the fixing plate is arranged at the top of the sliding plate and connected with a support, the bottom of the support is connected with a grinding wheel, the transmission shaft is connected between the fixing plate and the support, and the two ends of the transmission shaft are provided with a first bevel gear and a second belt wheel respectively. The first bevel gear is meshed with the second bevel gear, a first belt wheel is arranged on the cutter shaft, and the first belt wheel is connected with a second belt wheel through a belt; the driving device is used for driving the sliding plate to translate. According to the machining equipment for the hot box and the hot rail of the elasticizer, the problems that in the prior art, due to the fact that hot rail profiles need to be cut and polished step by step on different equipment, efficiency is low, repeated positioning precision is poor, and labor intensity is large are solved.

A twin roll casting method and apparatus for producing a steel strip with high surface quality are disclosed. The method comprises controlling conditions in a hot box located between a twin roll caster and a hot rolling mill and generating a target thin scale comprising compact, well-adhered and ductile scale on the as-cast cast strip before the strip reaches a hot rolling mill. The conditions include the temperature of the cast strip, the flow rate of N2 into the hot box, and the flow rate of air towards upper and lower surfaces of the cast strip in the hot box. In addition, the method may comprise controlling an exit temperature from a cooling step after the hot rolling step and a coiling temperature in a subsequent coiling step to suppress excessive growth of the scale on the strip steel.

The utility model discloses a constant-temperature cold and hot all-in-one machine which comprises a cold and hot box, a compressor and a storage box are installed in the cold and hot box, a conveying pipe is welded to the output end of the compressor, a heat dissipation box is connected to the top of the cold and hot box in a threaded mode, and heat dissipation grooves and sliding grooves are formed in the front face and the back face of the heat dissipation box. A heat dissipation net is fixed to the inner side of the heat dissipation groove in a threaded mode, sliding frames are slidably connected to the two sides of the heat dissipation box through sliding grooves, outer cleaning brushes are fixed to the two sides of each sliding frame through bolts, inner cleaning brushes are fixed to the bottoms of the sliding frames in a threaded mode, a cleaning motor is installed on the front face of the heat dissipation box, and a cleaning lead screw is fixed to the driving end of the cleaning motor through a coupler; according to the constant-temperature cooling and heating all-in-one machine, through the arrangement of the sliding frame, the outer cleaning brush and the inner cleaning brush, the constant-temperature cooling and heating all-in-one machine can automatically clean dust, workers do not need to use tools for cleaning, therefore, the workload of the workers is reduced, and meanwhile the cooling efficiency is guaranteed.

The invention discloses a hot box body electric cart, which relates to the technical field of metallurgy, and comprises a box body moving guide rail used for guiding a material receiving box body; the trolley rack is arranged on the box body moving guide rail in a sliding manner; the cart driving assembly is used for driving the cart rack to move along the box body moving guide rail and comprises a driving motor fixedly arranged on the cart rack, a driving gear in driving connection with the driving motor and a transmission rack fixedly installed on the box body moving guide rail; the transmission rack extends in the length direction of the box body moving guide rail, and the driving gear is meshed with the transmission rack. The material receiving box body is pushed by the electric cart to move on the box body moving guide rail, so that transportation and automatic material receiving of the material receiving box body are realized, the transportation efficiency of molten slag is improved, and the labor intensity of operators is reduced.

The utility model discloses a modularization high-temperature hot box of an elasticizer, which belongs to the technical field of elasticizers and is characterized by comprising a box body, a heating assembly is arranged in the box body, a limiting assembly is arranged on the front side of the heating assembly, the heating assembly comprises a U-shaped supporting plate, a heating wire is arranged at the bottom of the inner wall of the U-shaped supporting plate, and the limiting assembly is arranged on the front side of the U-shaped supporting plate. The heating assembly comprises a U-shaped supporting plate, a heating wire is arranged in the U-shaped supporting plate, a hot rail is arranged in the U-shaped supporting plate, the bottom of the hot rail is tightly attached to the heating wire, sliding grooves are formed in the two sides of the inner wall of the U-shaped supporting plate, sliding blocks are fixedly connected to the bottoms of the two sides of the hot rail, and the sliding blocks are used in cooperation with the sliding grooves. Operators can easily draw out the hot rail along the sliding groove only by releasing limitation of the limiting assembly, compared with traditional fixed installation, numerous parts do not need to be disassembled, operation is easy, convenient and rapid, maintenance time is greatly saved, and production continuity is guaranteed.

The utility model relates to the technical field of electrochemical testing, in particular to an electric pile heat management device. A hot box and a supporting frame are installed on a working table plate of the rack, the electric pile is placed in a hearth of the hot box, a pressure rod is inserted into the hot box, and the lower end of the pressure rod abuts against the electric pile. A cooling system and a pressure system are installed on the supporting frame, the cooling system is connected with the pressure system and used for cooling the pressure system, and the pressure system is located above the pressure rod. The galvanic pile is placed in the hot box, pressure is applied to the galvanic pile through the pressure system, and the pressure rod is cooled through the cooling system, so that it is guaranteed that the test temperature is accurately controlled in the test process, and then the accuracy and repeatability of the test result are improved.

The utility model discloses an elasticizer hot box which comprises a machine body and a hot door, a heat insulation groove is formed in the upper portion of the machine body, a heating groove is formed in the lower portion of the heat insulation groove, a hot rail is arranged at the bottom of the heating groove, the hot door comprises a cover plate, a limiting table is arranged on the lower portion of the cover plate, the limiting table comprises a first boss, and a second boss is arranged on the lower portion of the first boss. The first boss can be inserted into the heat insulation groove, and the second boss can be inserted into the heating groove. The lifter drives the hot door to lift up and down, the heat insulation groove can be effectively covered, the heat insulation effect is improved, the protruding block is arranged and can be inserted into the heating groove, and therefore the space of the heating groove is reduced, the heating effect of the hot rail is improved, and energy loss is reduced.

The present application belongs to the technical field of steel production, and discloses a control method for foreign matter pressing into the surface of thin strip steel. 3 The control method comprises the following steps: (1) molten steel smelting control: controlling the oxygen blowing amount of the refining furnace to be 15-18 m 3 / h; controlling the total flow of the compressed air of the No. 3 hot box on the upper surface and the lower surface of the thin strip steel to be: when rolling the thin strip steel with a specification of 1.2 mm or above, the total flow of the compressed air is controlled to be lower than 100 m 3 / h; or when rolling the thin strip steel with a specification of 1.2 mm or below, the total flow of the compressed air is controlled to be not more than 350 m 3 / h. In addition, the control method further comprises (3) flow control of rolling oil: controlling the flow of the rolling oil in rolling to be not more than 150 cc / min on the upper surface and the lower surface of the thin strip steel, respectively.

A kind of hot box plug-in guide wire system of elasticizer, including box, guide pipe, slider, connecting rod assembly, spring, clamping assembly, partition;The inner wall of the box is slidably connected with slider, the inner wall of box is located below slider and is equipped with partition, the top of box is equipped with guide pipe hole, one end of guide pipe extends to below partition in turn and passes through guide pipe hole and slider, clamping assembly is arranged on the side wall of guide pipe below partition, the top of spring is connected with the bottom of slider, the bottom of spring is connected with the top of partition, and spring is sleeved on the side wall of guide pipe;The front of slider is equipped with sliding slot, clamping block is arranged in sliding slot, sliding rod of connecting rod assembly is embedded between sliding slot and clamping block, the bottom of connecting rod assembly is connected with the bottom of front of box, the bottom of box is equipped with through hole for the egress of guide wire rod, and through hole is coaxially arranged with guide pipe hole.The guide wire rod can be conveniently replaced, and the fixing after replacement is more flexible and convenient.

A removable hot box is disclosed that includes a lower hot box portion, including: a lower housing including a plurality of lower clamping structures to clamp the lower housing to a press and locating structures to provide repeatable placing in the press; and a lower heating platen, received within the lower housing, wherein the lower housing or the lower heating platen includes lower electrical connectors to provide a lower electrical connection to a heating system and lower cooling connectors to provide a lower cooling connection to a cooling system; and an upper hot box portion, positionable above the lower hot box portion and includes: an upper housing includes a plurality of upper clamping structures to clamp the upper housing to the press; an upper heating platen, received within the upper housing.

Industrial cars for holding high-temperature materials, such as flat push hot cars for transporting hot coke and deposits, and associated systems and methods are disclosed herein. In some embodiments, an industrial car can include an at least partially enclosed hot box with a base and sidewalls, and one or more of the base or sidewalls can be covered by surface plates. The surface plates can be arranged in a floating configuration with gaps therebetween, such that the surface plates can move relative to one another and thermally expand without exerting excessive compressive force against adjacent surface plates. In some embodiments, the hot box can also include a roof with a first non-curved member and a second non-curved member abutting the first non-curved member. In some embodiments, the industrial car can include one or more emission ducts to remove dust and exhaust from within and around the industrial car.

The invention discloses a thin-strip continuous casting and rolling unit and a ferrite rolling process method, and the thin-strip continuous casting and rolling unit can realize ferrite rolling. The thin-strip continuous casting and rolling unit comprises a steel ladle, a tundish, a transition ladle, a casting roller, a hot box, a first pinch roll, a first rolling mill, a loop, a cooling device, a second rolling mill, a strip shape gauge, a second pinch roll, a flying shear, a steering roller and a coiling machine which are sequentially arranged in the rolling direction. The thin-strip continuous casting and rolling unit further comprises a controller electrically connected with the strip shape instrument and a thermodetector electrically connected with the controller, and the thermodetector is used for obtaining the temperature of the strip steel at the preset position. By means of the method, ferrite rolling can be well achieved.

The anti-oxidation hot box comprises a box body, a resistance wire heater is fixedly connected to the left side of the interior of the box body, a rotating structure is arranged in the box body, a cylindrical block is fixedly connected to the front side of the interior of the box body, a groove is formed in the outer side of the cylindrical block, and the inner side of the cylindrical block is fixedly connected with the resistance wire heater. A shielding block is fixedly connected to the upper side of the box body, a square groove is formed in the front side of the shielding block, a nitrogen structure and a dismounting structure are arranged on the upper side of the box body, a box door is movably connected to the front side of the box body, and the dismounting structure comprises a first clamping block. Through the arrangement of the shielding block, the square groove and the dismounting structure, when a worker replaces the nitrogen cylinder, work can be completed without the help of tools, time and labor are saved, convenience and rapidness are achieved, meanwhile, the shielding block protects the outer side of the nitrogen cylinder from dust accumulation, and the workload of the worker for cleaning the nitrogen cylinder is omitted.

The utility model provides a cold and hot box comprehensive test platform which comprises an electric control cabinet, a computer control system, a cold box and a hot box and further comprises a test piece fixing device, the test piece fixing device comprises an outer frame and a test piece clamping device, the outer frame is arranged between the cold box and the hot box and detachably connected with the cold box and the hot box, and the test piece clamping device is arranged on the outer frame. The test piece clamping device is fixedly mounted on the inner wall of the outer frame; compared with the prior art, the test piece fixing device can be quickly combined with a cold box and a hot box of a test platform, meanwhile, the test piece clamping device in the test piece fixing device can quickly fix an experimental test piece, so that the working hours for mounting the test piece are saved, the workload of experimenters is reduced, the test efficiency is improved, and meanwhile, the test efficiency is improved. According to the utility model, test pieces with larger sizes, such as heat preservation cotton quilts and the like, can be more conveniently fixed.