12results about How to "Avoid affecting heat transfer efficiency" patented technology

The invention discloses a tail gas purification device for smelting of a closed industrial silicon submerged arc furnace, and relates to the technical field of silicon iron smelting. The device comprises a purification tank, a feeding assembly is arranged on the lower portion in the purification tank, a heat exchange assembly is arranged at the center position in the purification tank, and a drying assembly is further arranged at the top of the purification tank. The U-shaped frame and the feeding pipe are driven by the driving rod to rotate, tail gas in the submerged arc furnace is evenly conveyed into the purification tank through the rotating feeding pipe, the problem that in the prior art, even feeding is not convenient is solved, the U-shaped frame drives the washing pipe to rotate in a reciprocating mode, and the tail gas purification device is convenient to use. A filter screen and a coiled pipe in the heat exchange box are washed and cleaned through a washing pipe and a high-pressure spray head, so that the problem that self-cleaning of a heat exchange structure is inconvenient in the prior art is solved, and meanwhile exhaust gas of the purification tank is dried through a folded plate and a water absorption filler in the drying assembly; the problem that in the prior art, treated tail gas is inconvenient to dry is solved.

This utility model discloses a waste heat recovery device for an oxalyl chloride distillation column, relating to the field of waste heat recovery technology. The utility model includes a heat exchange tank; the heat exchange tank is frustoconical in shape, and a water storage tank is fixedly connected inside the heat exchange tank. The water storage tank and the heat exchange tank have the same inverted cone inclination angle. An annular slide rail is fixedly connected to the bottom surface of the heat exchange tank, and a turntable is rotatably connected to the surface of the heat exchange tank. Several sets of extension plates are symmetrically hinged to the bottom surface of the turntable. Several sliding rods are symmetrically slidably connected inside the extension plates. Stops are fixedly connected to the periphery of the sliding rods, and springs are provided between the stop blocks and the extension plates. Moving plates are fixedly connected between the sliding rods in the same group, and brush bristles are provided on the moving plates. In use, by pulling the handle back and forth, multiple sets of brush bristles can be driven to repeatedly scrape away impurities on the outer surface of the water storage tank, preventing impurities on the steam from contaminating the outer surface of the water storage tank during waste heat recovery, thus avoiding impact on waste heat recovery efficiency.

This utility model discloses an optimized structure for an aluminum alloy heat exchanger, relating to the field of heat exchanger technology. It includes a top plate, a partition plate attached to the bottom side of the top plate, and several sequentially stacked flow channel layers attached to the bottom side of the partition plate. A bottom plate is attached to one side of each flow channel layer. Several flow distribution ports are symmetrically arranged on the flow channel layers. Mutually perpendicular heat exchange mechanisms are provided on both sides of the flow channel layers. Each heat exchange mechanism includes a flow distribution groove connected to the corresponding flow distribution port, one end of which is connected to a mixing groove. Several corrugated heat exchange plates are installed between the two sets of mixing grooves of the heat exchange mechanism. Several flow distribution plates are installed within the heat exchange mechanism. This utility model solves the problems of low utilization rate and low heat exchange efficiency of the flow channel layers caused by the gaps in the diffusion grooves in the prior art. This utility model increases the path of the medium flow by using corrugated heat exchange plates, and the heat exchange plates of adjacent flow channel layers are arranged at intervals, increasing the heat exchange area between the flow channel layers and the medium, thereby improving the heat exchange efficiency.

The utility model discloses a melting device for manufacturing rubber articles, which comprises a base, a melting barrel is mounted on the left side above the base, a barrel cover is mounted above the melting barrel, a material lifting barrel is mounted in the melting barrel, a heating barrel is mounted on the inner wall of the material lifting barrel, a second electric heating wire is mounted in the heating barrel, and a second electric heating wire is mounted in the heating barrel. A supporting block is fixedly mounted below the material lifting barrel, and a dispersing plate is fixedly mounted above the material lifting barrel; and the connecting frame is fixedly installed above the barrel cover, and a motor is installed in the connecting frame. According to the melting device for manufacturing the rubber products, the spiral rod is arranged to drive rubber to move upwards in the heating cylinder to be heated, all the rubber can make contact with the heating cylinder to be heated, the rubber is heated more evenly, meanwhile, the rotating spiral rod can scrape off the rubber attached to the surface of the heating cylinder, and the melting effect is better. And the adhered rubber is prevented from influencing the heat transfer efficiency and being damaged due to excessive heating.

The utility model discloses low-temperature concentration equipment for whey protein peptide production, and relates to the technical field of whey protein peptide production, the low-temperature concentration equipment comprises an enzymatic hydrolysate low-temperature concentration tank, the upper end of the enzymatic hydrolysate low-temperature concentration tank is connected with a modularized end cover through a bolt, a shaft end power coupler is arranged above the modularized end cover, and the shaft end power coupler is connected with the modularized end cover through a bolt. A stirring mechanism connected with the shaft end power coupler is arranged in the enzymatic hydrolysate low-temperature concentrated steaming tank, the upper end of the modular end cover is fixedly connected with an annular water storage sleeve, and the lower end of the modular end cover is fixedly connected with a plurality of Venturi self-suction type spraying units; the upper ends of the plurality of Venturi self-suction type spraying units penetrate through the modularized end cover and are communicated with the annular water storage sleeve, a water feeding mechanism connected with the annular water storage sleeve is arranged on one side of the enzymatic hydrolysate low-temperature concentrated steaming tank, and a heating mechanism is arranged on the outer wall of the enzymatic hydrolysate low-temperature concentrated steaming tank. Liquid milk is effectively prevented from being adhered to the inner wall of the enzymatic hydrolysate low-temperature concentrated steaming tank, heat transfer efficiency and product quality are prevented from being affected, equipment sanitation is ensured through an automatic cleaning system, and cleaning difficulty is lowered.

The embodiment of the invention provides an aluminum bar preheating device for aluminum alloy door and window machining. The aluminum bar preheating device comprises a platform, a heat insulation shell, a heating resistance wire and a feeding mechanism. The feeding mechanism comprises a motor, a screw rod, a sleeve, a first limiting rod, a back plate, a push rod and a bracket; the output end of the motor is connected with the screw rod, the screw rod is rotationally connected with the support, the screw rod is in threaded connection with the sleeve, the first limiting rod penetrates through the sleeve and is connected with the back plate, the back plate is connected with the push rod, and the push rod can push an aluminum bar into the heat insulation shell from the platform. Relates to the field of aluminum alloy door and window processing equipment. And the aluminum bar is pushed into the heat insulation shell through the push rod to be heated, it is guaranteed that the aluminum bar is accurately and stably pushed, and the problems that the position of the aluminum bar is inaccurate or pushing is uneven possibly caused by manual operation are effectively solved. The operation efficiency of the equipment is improved, and errors and uncertainty of manual intervention are reduced.

This utility model discloses an energy-saving low-temperature desalination and dehydration device, relating to the technical field of desalination and dehydration equipment. It includes a vacuum evaporator and a feed inlet: the feed inlet is located above the vacuum evaporator. After the concentrated water discharged from the membrane separation component of this energy-saving low-temperature desalination and dehydration device enters the crystallization reactor, a second motor drives the drive shaft to rotate, causing the wall-scraping agitator to operate continuously within the crystallization reactor. This agitation promotes uniform crystallization of salts in the solution, preventing disordered crystal growth due to localized supersaturation, thus improving crystallization efficiency and purity. Furthermore, the outer end of the wall-scraping agitator moves closely against the inner wall of the crystallization reactor, effectively preventing crystals from adhering to the reactor wall and forming scale, thus avoiding impact on the reactor's heat transfer efficiency and subsequent cleaning difficulty. This ensures uniform solid-liquid distribution of the mixed liquid entering the centrifugal separator, providing favorable conditions for subsequent solid-liquid separation, thereby guaranteeing the efficient and stable operation of the entire desalination and dehydration process.

The utility model relates to a radiant panel with good heat transfer performance, which belongs to the technical field of radiant panels and comprises an outer frame, a heat transfer processing mechanism is arranged in the outer frame, a positioning mounting component is arranged on the outer side of the outer frame, and the heat transfer processing mechanism comprises a heat insulation frame fixedly connected to the inner side of the outer frame. A flow dividing box and a flow collecting box are fixedly connected to the interior of the heat insulation frame, and a plurality of heat conduction straight pipes are fixedly connected to the opposite sides of the flow dividing box and the flow collecting box. According to the radiant panel with the good heat transfer performance, the installation efficiency of the radiant panel can be improved, uniform heat exchange of the radiant panel can be achieved through flowing of a heat exchange medium in the multiple heat conduction straight pipes, and the situation that the heat transfer efficiency is affected by temperature difference is avoided; in the process, the corrugated surface arranged on the heat conduction straight pipe can increase the heat exchange area, and the superconducting layer can improve the heat transfer efficiency, so that the heat transfer effect of the heat conduction straight pipe and the heat conduction panel can be conveniently enhanced, the heat transfer performance of the radiant panel is effectively improved, and the practicability of the device is enhanced.

The utility model discloses a bottom sealing head structure of a heat exchanger, which comprises a cylinder body, and an upper distribution plate is fixedly arranged at the top of the inner side of the cylinder body. According to the bottom sealing head structure of the heat exchanger, an upper distribution plate, a first lower distribution plate and a second lower distribution plate are sequentially and fixedly arranged in a barrel from top to bottom; a plurality of first through holes with the diameter of 16mm, a plurality of second through holes with the diameter of 13mm and a plurality of third through holes with the diameter of 14mm are respectively formed in the middle parts of the upper distribution plate, the first lower distribution plate and the second lower distribution plate, and the plurality of first through holes, the plurality of second through holes and the plurality of third through holes are distributed in a staggered manner; the fluid in the barrel can uniformly flow through the heat exchange area, the situation that the heat exchange efficiency is affected due to uneven local flow speed is avoided, the fluid can be guided to be in a turbulent state, the dead area is reduced, and the heat transfer effect is enhanced.

The utility model provides a vertical mill circulating fan, and relates to the technical field of vertical mills, the vertical mill circulating fan comprises a drying box, a first air pipe and a second air pipe, one side of the drying box is provided with an air heater, the air outlet end of the air heater is communicated with the interior of the drying box, the top of the drying box is provided with an air collecting cover communicated with the drying box, and the air collecting cover is connected with a first fan through the first air pipe; the first fan is connected with a heat recovery device through a second air pipe, the heat recovery device is communicated with the air inlet end of the hot-air blower, and a filter assembly is arranged in the air collecting cover. Hot air after drying returns to the hot-air blower again through the air collecting cover, the first air collecting pipe, the second air collecting pipe and the heat recovery device. When the hot air passes through the filtering assembly in the air collecting cover, dust in the hot air is filtered, the dust in the hot air is effectively prevented from entering the heat recovery device to affect the heat exchange efficiency or cause blockage, circulation of the hot air is guaranteed, and the circulating drying effect of the drying box is guaranteed.

The utility model belongs to the technical field of vanadium pentoxide production, and discloses a gas-gas heat exchange device based on a rotary kiln, which comprises a heat exchange cavity and an air cannon, a heat exchange plate is arranged in the heat exchange cavity and divides the heat exchange cavity into a first cavity and a second cavity, the first cavity is provided with a barrier plate, the barrier plate divides the first cavity into two small cavities, and the air cannon is arranged in the first cavity. The small cavity is provided with an air inlet and a first air outlet; a first sealing door is arranged on the cavity wall of the second cavity; the outlet end of the air cannon is connected with the second cavity, the inlet end of the air cannon is connected with a dust removal cavity which is connected with the tail gas outlet end of the rotary kiln, and the second cavity is provided with a second gas outlet. Two kinds of gas can be heated at the same time through the two small cavities, tail gas is subjected to dust removal through the dust removal cavity before entering the air cannon, then the tail gas enters the second cavity through the air cannon, remaining dust residues are prevented from remaining in the second cavity, and the influence on the heat exchange efficiency is avoided; and the interior of the second cavity can be cleaned by opening the first sealing door, and dust residue is avoided.

The invention provides a heating furnace capable of recovering waste heat, and belongs to the technical field of fluid heating, the heating furnace comprises a furnace body, the furnace body is internally provided with a partition plate for dividing the interior into an upper layer and a lower layer, and the interior of the lower layer is connected with a fuel pipe, an air inlet pipe and a smoke exhaust pipe; a section of snakelike bent pipe is arranged in the inner barrel in the axial direction of the inner barrel, the snakelike bent pipe is horizontally arranged, the two ends of the snakelike bent pipe penetrate out of the two ends of the inner barrel respectively, one end of the snakelike bent pipe is connected with the end, extending out of the furnace body, of the smoke exhaust pipe, and heat conduction oil is arranged in the inner barrel; the inner cylinder is coaxially sleeved with the outer cylinder, the front end and the rear end of the outer cylinder are connected with a water inlet pipe and a water outlet pipe respectively, an annular brush is connected into the outer cylinder in a sliding mode in the axial direction of the outer cylinder, the annular brush is driven by a linear mechanism, the inner cylinder is sleeved with the annular brush, and bristles abutting against the inner cylinder are arranged on the inner side of the annular brush; and the brush is used for brushing scale formed outside the inner barrel. The heating furnace can automatically remove scale on the outer wall of the smoke exhaust pipeline for heating water, and the heating efficiency is improved.