553 results about "Melting tank" patented technology

The invention discloses waste reutilization equipment for silicone adhesive packaging film production, and relates to the technical field of plastic waste recovery treatment, the waste reutilization equipment comprises a melting tank and a heating module mounted on the melting tank, and further comprises a partition plate; the stirring mechanism comprises a main shaft and a plurality of material mixing assemblies, and each material mixing assembly comprises a plurality of stirring blades; the material control mechanism comprises a material guide plate mounted outside the plurality of stirring blades, a plurality of through grooves formed in the material guide plate, two scraping plates mounted in the through grooves, two cutting assemblies mounted in the through grooves and a linkage assembly used for driving the scraping plates to rotate; the scraping plate is driven to move towards the edge direction of the partition plate along with the material guide plate, packaging film waste materials with different melting degrees on the surfaces of the stirring blades are scraped away, and the packaging film waste materials which are not completely molten are easily attached to the outer portions of the stirring blades, so that the waste materials are easily carried to move towards the heating module; and the part of waste enters a high-temperature area close to the heating module, and melting of the part of waste is accelerated.

Process for feeding plastic material, e.g. a plastic waste, to a processor such as a thermochemical reactor, e.g. a pyrolysis reactor. The process comprises an optional shredder or disintegrator (1), a conveying system (2), a feed hopper (3) with a lock hopper or rotary valve, a melting tank (6) with an agitator (5) followed by a melt pump (7) for the delivery of molten plastic to the processor. The advantage of the current process includes the ability to supply a consistent, metered flow to the processor, independent of the recycled plastic's melt properties, or the form or particle size and distribution of the plastic material.

The utility model discloses a blender for manufacturing wax mould coating, which comprises a moving seat, a filtering structure and a melting discharging structure, the filtering structure is arranged on the moving seat, the melting discharging structure is arranged on the filtering structure, and the melting discharging structure is arranged on the moving seat. The filtering structure comprises a melting tank, a fixed seat, a supporting frame, a motor, a stirring shaft, stirring blades, an impurity collecting box, an inclined plate and a filtering plate, the melting tank is fixedly arranged on the movable seat, the fixed seat is fixedly arranged on the melting tank, the supporting frame is fixedly arranged on the fixed seat, and the motor is fixedly arranged on the supporting frame. The utility model belongs to the technical field of wax mould coating equipment, in particular relates to a stirrer for manufacturing wax mould coating, and effectively solves the problems that when a wax block is melted by a stirrer for manufacturing wax mould coating in the current market, solid impurities contained in the wax block can not be cleaned and are easily doped into a wax mould material, and the wax block cannot be cleaned during casting. And solid impurities are easy to remain on the surface of the mold shell and easily influence the quality of a product.

The invention provides a laser welding in-situ process monitoring device and method based on a molten pool mirror reflection area, and belongs to the technical field of laser material machining. The device comprises a welding plate, a high-power laser is arranged over the welding plate, and a semiconductor laser and a high-speed camera are arranged on the two sides of the high-power laser respectively; illumination laser beams of the semiconductor laser and the axis of the high-speed camera are symmetrically distributed relative to the laser beam direction of the high-power laser and act on the surface of a molten pool at the same time, the semiconductor laser is connected with a semiconductor laser power source, the high-speed camera is connected with a computer, and two band-pass filters and an attenuation piece are arranged in front of a lens of the high-speed camera. According to the laser welding in-situ process monitoring device and method based on the molten pool mirror reflection area, the dynamic behavior of the molten pool can be directly and clearly represented, and a new way is provided for monitoring of the laser welding process.

The invention relates to the technical field of injection molds, in particular to a plastic product processing injection mold with a quantity control conveying structure, which comprises a base, a fixed mold and a movable mold are arranged at the top of the base, a material conveying assembly is arranged at the top of the base, the material conveying assembly comprises a conveying pipe, and a material melting tank is arranged above the conveying pipe; the material conveying assembly is combined with the material melting tank and the air suction assembly, during injection molding, the adjustable quantity-controlled conveying effect is achieved, meanwhile, air in the injection molding cavity is extracted synchronously, and the injection efficiency of molten plastic is accelerated in an auxiliary mode; during material pumping, a negative pressure environment is formed in the conveying pipe, molten plastic is automatically and rapidly pumped, the problem that the injection molding quality of plastic products is low due to the fact that outside air and water vapor cooperate with the molten plastic to be injected into an injection molding cavity is solved, meanwhile, the pumped air is used for accelerating the cooling efficiency after injection molding in the discharging process, and the injection molding quality and efficiency are improved.

The utility model provides a pipeline welding machine head. The pipeline welding machine head comprises a base used for being fixedly connected with a pipeline to be welded; the rotating structure is rotatably arranged on the base and can rotate in the circumferential direction of a to-be-welded pipeline; the welding structure is used for welding a welding seam, the welding structure is arranged on the rotating structure, and the rotating structure is used for driving the welding structure to rotate in the circumferential direction of a to-be-welded pipeline; the pipeline welding machine head further comprises an imaging structure arranged on the rotating structure, and a lens of the imaging structure can point to the welding pool and is used for shooting an image of the welding pool. By means of the pipeline welding machine head, welding visualization can be achieved. By means of the pipeline welding machine head, welding visualization can be achieved.

A submerged combustion burner, a submerged combustion melter including the submerged combustion burner, and method of operating the submerged combustion burner are disclosed. The submerged combustion burner includes central burner tube and a heat pipe that surrounds and extends beyond a terminal end of the central burner tube. When received in a burner opening defined in a melting tank of a submerged combustion melter, the heat pipe of the submerged combustion burner is disposed between the central burner tube and the floor of the melting tank. The heat pipe transfers or pumps heat via a sealed working fluid to a cooling fluid that thermally communicates with the heat pipe exterior to the melting tank.

The film raw material hot melting machine comprises a hot melting tank, supporting legs and a cover body, a discharging pipe, a screening assembly and a filtering assembly are fixedly arranged in the middle of the bottom end of the hot melting tank, and the screening assembly comprises a screening box arranged in the middle of the cover body and a feeding frame arranged in the middle of the upper portion of the screening box. The screening box and the cover body are elastically arranged through vibration springs, motor mounting plates are fixedly arranged in the middles of the two ends of the outer wall of the screening box, vibration motors are mounted outside the motor mounting plates, and the filtering assembly comprises a filtering cylinder arranged in the middle of the lower portion of the hot melting tank and a cover cylinder arranged outside the filtering cylinder. The screening assembly is arranged above the hot melting tank, foreign matter doped in thin film raw material particles can be intercepted and blocked in a magnetic attraction and vibration combined screening mode, in addition, the filtering assembly is arranged below the hot melting tank, slurry obtained after hot melting can be filtered in a centrifugal pressing mode, and the filtering effect is good. Therefore, the film raw materials are subjected to secondary screening.

The present invention discloses a melting device for sintered neodymium iron boron permanent magnet materials, which relates to the technical field of melting of neodymium iron boron permanent magnet materials and includes: a melting tank, a melting assembly and a feeding assembly; the melting assembly includes a heating assembly arranged inside the melting tank, and a stirring assembly is arranged at the bottom end of the heating assembly; the feeding assembly includes a pushing assembly arranged at the top end of the melting tank, and a recycling assembly is arranged on the side of the pushing assembly; the recycling assembly includes a recycling part, a condensation part and a material returning part, the recycling part is connected to the condensation part through a pipeline, and the bottom end of the condensation part is fixedly connected with the material returning part; the stirring assembly further includes a piston part, a driving part and an adjusting part, the bottom end of the piston part is fixedly connected with the driving part, and the bottom end of the driving part is fixedly connected with the adjusting part. The present invention can ensure uniform distribution of the melting temperature and recycle neodymium vapor, improving the melting effect.

The invention discloses a constant-temperature wax therapy instrument control system and method, and the system comprises a main control module, a wax melting box control module, a cake making box control module, a heating control module, a wax material read-write module, a voice system, a display device, a filtering system, and an automatic control module. The main control module performs corresponding analysis operation according to parameter information selected by a user, adjusts temperature parameters of a wax melting groove in a wax melting box and a constant temperature chamber in a cake making box through temperature input feedback of an adjusting unit, and analyzes the current state of wax therapy through a wax material read-write module; according to the constant-temperature electric wax therapy instrument, wax cakes with different thicknesses can be determined according to parameters selected by a user, the temperature of the wax melting groove and the temperature of the constant-temperature chamber can be adjusted through temperature input feedback, intelligent time management is synchronously carried out, a wax material remaining amount monitoring function is achieved, and supply, demand and quality consistent stability and economic benefits of the constant-temperature electric wax therapy instrument are improved.

The utility model discloses an efficient melting device for waste plastic reprocessing, which belongs to the technical field of waste plastic reprocessing, and adopts the technical scheme that the efficient melting device comprises a processing box, a melting tank is fixedly connected to the middle of the processing box, a heater is arranged at the bottom of the processing box, and the heater is in contact with the bottom of the melting tank; a storage tank is fixedly connected to the top of the melting tank, a feeding port is formed in the bottom of the storage tank, the adding amount of crushed plastic raw materials through the feeding port can be controlled through a closing mechanism, waste heat of waste gas generated during plastic melting can be recycled through a flue gas waste heat recycling mechanism, and the waste heat of the waste gas is recycled. Plastic to be melted is preheated through heat in waste gas through heat transfer, the plastic melting efficiency can be improved, plastic raw materials in the melting tank and the storage tank are stirred through the stirring mechanism, the plastic melting efficiency in the melting tank can be improved, and the plastic raw materials in the storage tank can be evenly heated.

The utility model relates to the technical field of false tooth manufacturing equipment, and provides a false tooth processing wax melter which comprises a shell, a wax melting groove, a C-shaped clamp spring and a heating device, the wax melting groove is embedded in the shell, and the heating device is arranged at the bottom of the wax melting groove; the part, close to the groove opening, of the wax melting groove is bent outwards to form a bent part, and the lower part of the bent part abuts against the upper surface of the shell; an annular groove is formed in the outer side wall of the wax melting groove in the circumferential direction, the annular groove is close to the bent part, the C-shaped clamping spring is clamped in the annular groove, and the top of the C-shaped clamping spring abuts against the upper surface of the shell. The part, close to the notch, of the wax melting groove is bent outwards, and then the wax melting groove and the shell are clamped together through the C-shaped clamping spring, so that the wax melting groove is prevented from falling out of the shell when the wax melter is placed upside down.

The invention relates to the technical field of silicone adhesive packaging film waste recycling, in particular to silicone adhesive packaging film production waste recycling equipment which comprises a melting tank, a discharging pipe, an exhaust pipe, a heating module, a stirring mechanism, a wall scraping mechanism, a reciprocating motion mechanism and a cleaning mechanism. The melting tank is fixedly communicated with the exhaust pipe and located above the melting tank, the heating module is fixedly connected with the melting tank and located on the outer wall of the lower end of the melting tank, the stirring mechanism is located in the melting tank, the wall scraping mechanism is located in the melting tank, the reciprocating movement mechanism is located in the melting tank and located above the cleaning mechanism, and the cleaning mechanism is arranged on the stirring mechanism. Through the mode, frequent stirring, uniform heating and sufficient stirring of the silicone adhesive are realized, and the recycling efficiency of the silicone adhesive is greatly improved.

A glass melting furnace for preparing glass bottles relates to the technical field of glass melting furnaces and comprises a melting furnace and a heat recoverer. The smelting furnace is provided with an opening, and the heat recoverer is connected with the opening in a sealed mode. A feeding area, a heating area, a homogenizing area and a cooling area are sequentially arranged in the smelting furnace in the direction of an assembly line, the depth of molten glass in the feeding area, the depth of molten glass in the heating area and the depth of molten glass in the cooling area are the same and are all lower than the depth of molten glass in the homogenizing area, and a feeding port is formed in the side wall of the feeding area of the smelting furnace. A material receiving platform is arranged in the feeding area and matched with the feeding port, and raw materials enter the smelting furnace from the feeding port, are melted on the material receiving platform and then flow into the bottom of the feeding area in the smelting furnace. The material receiving platform is arranged for buffering the added glass raw materials, and the glass raw materials are melted on the material receiving platform and then enter the molten glass in the melting furnace in the form of high-temperature molten glass, so that the condition of convection in the furnace is avoided, and the homogenizing and clarifying temperature of the molten glass in the melting tank is increased.

The invention discloses a low-carbon glass melting furnace adopting a pre-melting pool, which relates to the technical field of glass manufacturing, solves the technical problem of reducing energy consumption, and comprises a pre-melting pool adopting electric melting or submerged combustion and a clarification pool communicated with the pre-melting pool and adopting flame combustion, a cold top structure is arranged in the upper space of the pre-melting tank, and the upper structure of the clarification tank adopts an arch structure and is hermetically connected with the upper space of the pre-melting tank through an L-shaped hanging wall; in the glass melting process, the silicate forming stage and the glass forming stage are completed in a pre-melting pool, and the molten glass clarifying stage is completed in a clarifying pool. A pre-melting pool is communicated with a clarification pool, electric melting or submerged combustion heating is adopted in the pre-melting pool, combustion space flame heating is adopted in the clarification pool, and a novel function partition structure is developed and designed in a targeted manner according to the fact that all stages of the glass melting process have different required effects on all areas of an energy supply area of the glass melting furnace. And the carbon emission and the energy consumption are obviously reduced.

The present invention concerns a furnace for melting vitrifiable materials, comprising (i) a melting tank with heating means configured to melt vitrifiable materials; (ii) a fining tank with heating means configured to refine the melt; (iii) a neck separating the melting tank and the fining tank; (iv) inlet means located at the melting tank to charge the vitrifiable materials; (v) outlet means at the fining tank to flow the refined melt to a working zone; wherein the heating means in the fining tank comprises a plurality of thermal plasma torches configured to emit from a working fluid a plasma flame above the melt.

The invention discloses an aluminum profile manufacturing process and device, and belongs to the field of aluminum material recycling and manufacturing. An aluminum profile manufacturing device comprises an equipment frame, and further comprises a hot melting assembly, a hot pressing assembly and a hot pressing assembly, the hot melting assembly is installed on the equipment frame, and the hot melting assembly is used for heating and melting recycled aluminum metal; the casting assembly is mounted on the equipment frame, and the casting assembly is used for casting and shaping the molten metal; the bubble discharging mechanism is arranged on the equipment frame, and the bubble discharging mechanism is used for discharging bubbles contained in the molten metal; and the cooling mechanism is arranged on the equipment frame, and the cooling mechanism is used for rapidly cooling and shaping the molten metal. Through rotation of the hot melting tank, aluminum metal in the hot melting tank rolls over and then makes uniform contact with heat transferred into the hot melting tank, and the hot melting effect is effectively improved; and the upper die and the lower die are arranged in a matched mode, so that remanufacturing of recycled aluminum metal materials is completed, and the energy-saving effect is effectively improved.

The invention discloses a preparation method of a stabilized fertilizer and granulation equipment for production, and relates to the technical field of fertilizer production, and the preparation method comprises the following steps: heating a nitrogen fertilizer in a melting tank to a molten state, and sequentially adding a crushed potash fertilizer, a crushed phosphate fertilizer, a crushed trace element fertilizer and a nitrification inhibitor into the melting tank to obtain a molten mixed fertilizer; feeding the molten-state mixed fertilizer to a high-tower granulation device to obtain an inner core; polylactic acid, acetone, alginate oligosaccharide, glycerin and starch are sequentially sent to a stirring kettle to be stirred and mixed, the mixture is sprayed to the outer wall of the cooled inner core, and an adhesion layer is formed on the outer wall of the inner core after drying; spraying the slurry to the surface of the adhesion layer, and then drying at low temperature to form a dormant bacterium layer on the outer wall of the adhesion layer; and spraying the coating solution to the outer wall of the dormant bacterium layer, and performing low-temperature cooling to obtain an outer coating layer. Therefore, through the combination of the inner core, the adhesion layer, the dormant bacterium layer and the outer coating layer, the fertilizer efficiency release rate is greatly slowed down, so that the fertilizer provided by the scheme can be more lasting and effective.

This utility model discloses a continuous deoiling device for microcrystalline wax, including a sealed wax melting tank and a deoiling device. The sealed wax melting tank transports the mixture to the inside of a spiral plate heat exchanger via a variable frequency pump. The spiral plate heat exchanger is connected to a high and low temperature integrated machine, which can circulate and cool the coolant flowing inside the spiral plate heat exchanger. The spiral plate heat exchanger transports the crystallized mixture to the inside of a centrifuge. The centrifuge separates the crystallized wax from the filtrate through centrifugal action, and the separated filtrate enters the sealed filtrate tank for recycling. This utility model can achieve continuous deoiling of microcrystalline wax through the synergistic effect of components such as the sealed wax melting tank, variable frequency pump, spiral plate heat exchanger, and centrifuge. At the same time, the curved structure in the channel of the spiral plate heat exchanger forces the fluid to form a strong spiral flow. The high flow velocity and turbulence can scour the wall surface and prevent wax crystals or impurities from depositing.

To provide an at least partially electric glass furnace suitable for melting vitrifiable materials. [Solution] The present invention relates to an at least partially electric glass furnace (1), comprising a melting tank (2) made of refractory material suitable for containing a bath (3) of molten vitrifiable material, and a plurality of electrodes (An, Bn, Cn, Dn) supplied with alternating current by an electrical installation (4) for heating the bath (3), the electrical installation (4) comprising at least one transformer (6) adapted to generate a plurality of single-phase output groups having a phase difference between each output group, each output being connected to at least one of the electrodes (An, Bn, Cn, Dn) by a single-phase conductor (7) for generating a first magnetic field (B1), and including a device arranged in the first magnetic field capable of generating a counter magnetic field.

The invention relates to the technical field of vitamin production, in particular to high-efficiency vitamin production equipment which comprises a bottom plate, a crusher mounted on the bottom plate, an emulsifying tank and a control console fixedly connected to the bottom plate, a suction device assembled on the bottom plate, and a melting device assembled below the suction device. Through cooperation of structures such as the nitrogen generator and the nitrogen tank, the absorption pipe performs directional absorption on crushed materials, so that the materials are driven to flow in a closed environment and are fed into the storage tank connected with the output end of the nitrogen generator, and the materials in the storage tank are discharged through the discharge pipe mounted on one side; the tail end of the discharging pipe is connected with a first corrugated pipe, the first corrugated pipe is flexibly connected to a feeding port of the melting tank, continuous conveying of powder from the suction device to the melting device is achieved, the whole process is completed under nitrogen protection, and oxidation reaction, moisture absorption deterioration or leakage pollution of the powder in the conveying process are avoided; the stability and the transfer efficiency of the vitamin raw materials are improved.

The utility model relates to the technical field of melting furnace discloses a kind of dangerous and useless incineration ash melting furnace of inert gas torch, including melting tank, ash storage tank and exhaust pipe, the lower end of melting tank is fixedly connected with ash storage tank, the middle part of the upper end of melting tank is connected with exhaust pipe through, the inside of melting tank is provided with rotating mechanism, the rotating mechanism includes driving gear and two stirring rods, rotating groove is arranged in the middle part of the front end in the inside of melting tank, the front end of the outer wall of stirring rod stem is fixedly connected with driven gear, the driven gear is all engaged with driving gear, the inside of stirring rod is all provided with cooling channel. In the utility model, the driving gear in rotating mechanism is engaged with the driven gear fixedly connected on stirring rod, so that two stirring rods can stir internal slag, and the rotating threaded rod in filtering mechanism drives the lower movement of limiting block to remove the clamping state of filter plate, facilitating the disassembly of filter plate.

The invention concerns a process for melting vitrifiable materials to produce flat glass, comprising the steps of (i) providing a furnace comprising at least one main melting tank with electrical heating means, at least one auxiliary melting tank, a fining tank with oxy-combustion heating means, a neck separating main melting tank and fining tank; (ii) charging the vitrifiable materials comprising raw materials and cullet in main melting tank and / or in auxiliary melting tank, the total amount of cullet being at least 10wt% of vitrifiable materials; (iii) melting the vitrifiable materials in main melting tank by heating with the electrical heating means and flowing to the fining tank through the neck; (iv) melting at least a part of the cullet in the auxiliary melting tank and flowing to the neck or to the fining tank, with electrical input fraction ranging from 50% to 85%; (v) fining melt in the fining tank by heating with the oxy-combustion heating means alimented with gas and / or hydrogen, (vi) flowing the melt from the fining tank to a working zone (vii) capturing CO2 from flue gas comprising step(s) of compression and / or dehydration, said flue gas having CO2 concentration of at least 35%.

The invention relates to the technical field of zinc melting, and discloses automatic zinc melting equipment which comprises a zinc melting tank, a partition bottom plate is arranged in the zinc melting tank, an upper-layer zinc melting tank is arranged above the partition bottom plate, a lower-layer tank is arranged below the partition bottom plate, a plurality of groups of zinc melting baskets are arranged in the upper-layer zinc melting tank, and a zinc plate is arranged in each zinc melting basket. An alkaline plating solution overflow pipe is arranged on the left side of the zinc melting tank and communicates with the upper-layer zinc melting tank, a plug pulling device is arranged in the upper-layer zinc melting tank, a plug body is arranged at the bottom of the plug pulling device, and a circulation opening is correspondingly formed in the partition bottom plate. The upper-layer zinc melting tank is divided into independent spaces by a partition bottom plate arranged in the upper-layer zinc melting tank, a zinc melting basket is arranged in each space, zinc plates in the zinc melting baskets and alkaline plating liquid are subjected to zinc melting reaction to generate zinc ions, and the generation amount of the zinc ions can be accurately controlled by controlling the number of the zinc plates in the zinc melting baskets and the zinc melting time. After the reaction, the plating solution with higher zinc ion content flows into the separation plate of the separation tank through the overflow lower plate, and floating oil and other suspended matters on the surface of the plating solution are blocked by the separation plate and float on the liquid level, so that the cleaning is convenient, and the plating solution is kept pure.

The utility model relates to the technical field of floating ball type liquid level meters, in particular to a floating ball type liquid level meter for a sulfur melting tank, which comprises a junction box and further comprises a first quick-release assembly, a second quick-release assembly and a third quick-release assembly, and the second quick release assembly is arranged on the outer side of the assembling part and can position and install the protective shell outside the connecting seat. According to the utility model, through the first quick-release assembly and the second quick-release assembly, the two protective housings on the outer side of the junction box can be quickly disassembled and assembled conveniently, and the disassembly and assembly efficiency of the protective housings is improved; omnibearing protection of the periphery of the junction box is realized through the two protective shells, so that corrosion of gaseous sulfur to a dial plate of the junction box can be avoided, and influence on checking of numerical values of the dial plate of the junction box due to continuous adhesion of the sulfur can also be prevented; and the first locking nut and the second locking nut can be prevented from falling off and being lost through the anti-falling block and the sliding block, the practicability is improved, and the protective shell is more worry-saving to disassemble and assemble.

The utility model discloses a device for impregnating a carbon composite material with resin, and relates to the technical field of resin processing. The device comprises a box body, a cover plate is connected to the top of the box body in an inserted mode, two sealing covers are fixedly connected to the interior of the cover plate, extrusion assemblies are arranged in front of and behind the box body, and a heating and pressurizing base is fixedly connected to the bottom of the inner wall of the box body. The extrusion assembly is arranged, specifically, the cover plate covers the top of the box body, at the moment, the two sealing covers on the cover plate are connected with the top of the impregnating tank and the top of the resin melting tank in an inserted mode respectively and make contact with sealing rings in the sealing covers, then the pressing plate is overturned to the top of the cover plate, the nut is connected with the threaded shaft in a threaded mode, and the pressing plate is extruded; the cover plate is pressed downwards to be fixed, at the moment, the sealing ring extrudes the top of the resin melting tank and the top of the impregnating tank, the situation that the sealing ring is loosened can be reduced, and therefore the sealing effect is improved, and air and impurities are prevented from entering.

The utility model provides a kind of melting device for macromolecular material processing, it is related to macromolecular material processing technical field, including melting tank main body, processing box main body and feed hopper, the surface of feed hopper is equipped with dust removal filter component, the dust removal filter component includes the support frame fixedly connected in the top end of feed hopper, under the action of fan, dust generated in crushing process is introduced into air inlet by air inlet pipe, dust is first filtered by filter plate and is primary filtered, larger particles are intercepted, smaller particles then enter next stage purification link with airflow through connecting channel, subsequently, fine dust and harmful gas in air continue to pass through activated carbon filter plate, activated carbon with its strong adsorption capacity to residual dust and volatile harmful substance are further filtered and purified, after processing, air is finally discharged through air outlet, to effectively reduce pollution to environment, improve air quality in workplace, ensure the health and safety of operator.

The invention relates to a continuous cold crown induction glass melter. An inductive glass melting system for producing glass includes a vertical melting tank to contain batch material for melting and molten glass. The system also includes a batch material feeder for feeding batch material to the melting tank at a top side of the melting tank, and a glass melt outlet for discharging the resulting glass melt at a bottom side of the melting tank. The system includes a multi-zone heating system having a plurality of induction coils around the perimeter of the melting tank to independently heat a plurality of heating zones vertically along the height of the melting tank. The system comprises in-situ monitoring and realizes a continuous cold crown melting process.

The utility model relates to the technical field of TPU (thermoplastic polyurethane) films, and discloses TPU film production and processing equipment which comprises a processing tank, a stirring device and a melting device, a plurality of heaters A are connected to the inner surface of the processing tank, the stirring device comprises the heaters A, a hole is formed in the middle of the upper surface of the processing tank, and a stirring rod A is connected to the middle of the upper surface of the processing tank; the upper end of the stirring rod A is connected with the output end of a motor A, the upper surface of the processing tank is connected with a protective cover, the melting device comprises the protective cover, the upper surface of the protective cover is provided with a hole and connected with a melting tank, the outer surface of the melting tank is connected with a plurality of heaters B, the upper surface of the melting tank is connected with a supporting plate, and the lower surface of the supporting plate is connected with the protective cover; a hole is formed in the surface of the supporting plate and connected with a stirring rod B, and the upper end of the stirring rod B is connected with a motor B. According to the utility model, by using the melting device, the effect of melting different raw materials is achieved, the molten raw materials are more fully melted, and the operation is simple and time-saving.

The invention relates to the technical field of plastic molding machines, and discloses a plastic injection molding machine with a cooling mechanism, the plastic injection molding machine comprises a base, the top of the base is fixedly provided with a melting box and an injection machine, and one side of the base is provided with a discharging plate; the cooling device is located on one side of the base, the cooling device comprises a cooling box arranged on one side of the base, a plurality of connecting plates are fixed between the cooling box and the base, the outer wall of the cooling box is connected with a water injection pipe and a water drainage pipe, and a heat conduction pipe is arranged in the base; the cooling device adopts a reasonable design, a cooling box conveys cooling liquid to a heat conduction pipe through a circulating pump, through mutual cooperation of a water suction pump, a control valve, a one-way valve, a valve body and an opening and closing valve, after cooling operation is completed, cooling water in the heat conduction pipe can be pumped out through the water suction pump, cooling water residues are avoided, and the cooling efficiency is improved. And the die can smoothly carry out next cycle operation, the service life of the die is prolonged, and the operation efficiency of the die is improved.