279results about How to "Guaranteed heat transfer efficiency" patented technology

The invention relates to the technical field of waste heat recovery, in particular to an intelligent waste heat recovery device and method.The intelligent waste heat recovery device comprises a heat exchange box, a heat exchange structure is arranged on the inner side of the heat exchange box, a connecting structure is connected between the heat exchange structure and the heat exchange box, and a positioning structure is arranged on the inner side of the connecting structure; a cleaning structure is arranged on the side face of the heat exchange box, ventilation structures are arranged at the two ends of the heat exchange box, and a sealing structure is arranged on the top side of the heat exchange box. The heat exchange plate can be disassembled and assembled through the heat exchange structure, the sealing performance of liquid flowing in the heat exchange plate can be guaranteed through the connecting structure, meanwhile, the heat exchange plate can be disassembled and assembled conveniently, the fixing state of the heat exchange plate can be controlled through the positioning structure, overhaul and maintenance are convenient, and the surface of the heat exchange plate can be cleaned through the cleaning structure. The heat exchange efficiency of the heat exchange plate is kept, multiple devices can be connected in series for use through the ventilation structure, the use flexibility is improved, and the top side of the heat exchange box can be sealed through the sealing structure.

The utility model discloses a carbon calcining furnace flue gas waste heat recovery device, which relates to the technical field of waste heat recovery, and comprises two groups of saddle type supports arranged in parallel, a heat exchange tank is fixedly connected above the two saddle type supports, a first connecting flange is arranged on the right side of the heat exchange tank, and a second connecting flange is arranged on the right side of the first connecting flange. A flow speed control assembly is fixedly installed on the right side of the heat exchange tank through a first connecting flange, a heat exchange assembly is arranged in the heat exchange tank, a second connecting flange is fixedly connected to the left side of the heat exchange tank, and a flow dividing assembly is fixedly installed on the left side of the heat exchange tank through a second connecting flange. The leftmost side of the top of the heat exchange tank is fixedly connected with a smoke outlet pipe, and the rightmost side of the bottom of the heat exchange tank is fixedly connected with a smoke inlet pipe. The system has the advantages that waste heat of high-temperature flue gas is effectively utilized and converted into heat energy, so that recycling of energy is achieved, energy consumption can be reduced, the overall energy utilization efficiency can be improved, and energy consumption is reduced.

The invention relates to an enhanced urban terrestrial heat exploitation system and method based on nanofluid. The system comprises a heat collection pipeline, a heat exchange assembly and a nanofluid adjusting assembly. The nanofluid adjusting assembly is connected into the heat collecting pipeline. The nanofluid adjusting assembly comprises a storage pool, a control unit, a concentration detection sensor, a temperature sensor and a concentration adjusting unit, the concentration detection sensor, the temperature sensor and the concentration adjusting unit are connected with the control unit, the storage pool communicates with the heat collecting pipeline, the concentration detection sensor is used for detecting the concentration of nanofluid in the storage pool, and the temperature sensor is used for detecting the temperature of the nanofluid. And the concentration adjusting unit is used for adjusting the concentration of the nanofluid in the storage tank. Compared with the prior art, the method has the advantages that the fluid concentration in the whole circulation pipeline is adjusted in real time according to the appropriate heat transfer concentration of the hybrid nanofluid at all temperatures, then the heat exchange performance of the nanofluid is effectively guaranteed, and the heat exchange efficiency of the geothermal circulation system is improved.

The utility model belongs to the technical field of air conditioners, and discloses an air outlet mesh enclosure and an outdoor unit panel, main ribs are additionally arranged, and the minimum width of the main ribs in the radial direction of a center plate is limited to be larger than the width of radiation ribs in the radial direction of the center plate, so that the structural strength of the air outlet mesh enclosure is enhanced; therefore, when the air outlet mesh enclosure is designed, the number of the annular ribs can be reduced, so that the density of grids of the grating is reduced, the air outlet resistance of the air outlet mesh enclosure is reduced, and the noise of the air outlet mesh enclosure is reduced. Meanwhile, the minimum width of the main ribs in the radial direction of the center plate is limited to be larger than the width of the radial ribs in the radial direction of the center plate, the structural strength of the whole air outlet mesh enclosure can be improved, and the identification degree of the air outlet mesh enclosure is improved. In addition, the radiation ribs and the main ribs extend in the radial direction of the center plate in an arc mode, so that the radiation ribs and the main ribs are matched with the arc in the blade rotating direction of the wind wheel, the wind resistance of the air outlet mesh enclosure is smaller, and the air outlet noise is lower.

The invention relates to the technical field of flue gas waste heat recovery, and discloses an online regulation and control system and method for regulating the flue gas waste heat recovery amount of a wide-channel plate type low-temperature economizer. The system comprises a flue gas treatment main process assembly, a low-temperature economizer water circulation assembly and an intelligent regulation and control assembly. Sensors are arranged at all key parts, an intelligent control unit is used for regulating and controlling a circulating water pump, a valve and other assemblies on the basis of a control model and real-time data, and the flue gas waste heat recovery amount is precisely regulated and controlled. Meanwhile, the system has the functions of data storage and analysis, fault diagnosis and interaction with external meteorological equipment, can optimize a control strategy, guarantees the system stability, and improves the adaptability. According to the system and method, the energy utilization efficiency is effectively improved, it is ensured that the system stably operates under complex working conditions, and the system and method have wide application prospects in the fields of thermal power generation and the like.

The invention discloses an explosion-proof motor for an underground coal mine, and relates to the technical field of explosion-proof motors, and the explosion-proof motor comprises a housing, the outer wall of the housing is fixedly connected with a plurality of short fins at equal intervals, the inner wall of the housing is fixedly connected with a stator around the circumference, and the inner wall of the center of the housing is rotatably connected with a rotating shaft. Through vertical separation of the flow guide plate and flow guide of concave arc faces on the two sides, the resistance of hot air shunting to the two sides can be reduced, after the hot air enters the ventilation cavity, the heat dissipation area is increased under the flat arrangement of the hot air, and heat on the surface of the ventilation cavity is rapidly guided out through cooperation of the unfolded first fins, the unfolded second fins and the unfolded third fins, so that the heat dissipation efficiency is improved. The temperature exchange rate can be increased through double heat conduction, hot air in the ventilation cavity can be rapidly cooled, airflow and temperature on the two sides can be balanced, the stability of the system is improved, the equipment temperature can be reduced through good heat dissipation, and electric sparks caused by overheating are reduced.

The utility model discloses a fused salt energy storage heat exchange device which comprises a tank body, a heater, a heat exchanger and a spiral feeding mechanism, the tank body comprises a heat storage cavity and a conveying cavity from bottom to top, and the heat exchanger comprises a liquid inlet pipe, a liquid outlet pipe and a heat exchange pipe arranged in the heat storage cavity in a snake shape; two ends of the heat exchange pipe extend out of the tank body and are communicated between the liquid inlet pipe and the liquid outlet pipe; the heat storage cavity is provided with an upper channel and a lower channel which are communicated with the top and the bottom of the conveying cavity; the conveying part of the spiral feeding mechanism is located in the conveying cavity and used for conveying the fused salt from bottom to top to circularly flow between the heat storage cavity and the conveying cavity, the fused salt is in a flowing state in the heat exchange process, the fused salt in different areas in the heat storage cavity can make full contact with the heat exchange pipe for heat exchange, and the heat exchange efficiency of fused salt energy storage and heat exchange is improved.

The invention discloses a heat conduction oil heater for an EVA foaming material internal mixer, and belongs to the technical field of EVA foaming material processing.The heat conduction oil heater comprises a heating furnace, the outer surface of the heating furnace is fixedly connected with a support, the right side of the heating furnace is in bolted connection with a feeding pipe, and the left side of the heating furnace is in bolted connection with a discharging pipe; the inner wall of the heating furnace is fixedly connected with an inner plate; a connecting shaft is rotationally arranged in the inner plate, and a water wheel is fixedly connected to the right side surface of the connecting shaft; a cleaning assembly is arranged between the feeding pipe and the connecting shaft. When the heat conduction oil heater for the EVA foaming material internal mixer works, in the circulation process of heat conduction oil, the heat conduction oil enters a heating furnace through a feeding pipe and is discharged out of the heating furnace through a discharging pipe, when the heat conduction oil enters the heating furnace through the feeding pipe, a connecting shaft is driven by a water wheel to rotate in an inner plate, and at the moment, mixing blades rotate; furthermore, the mixing blades play a role in mixing materials, so that the heat-conducting oil is uniformly heated.

The invention relates to the technical field of fluidized bed roamers, in particular to an intelligent anti-blocking system, method and device for a gas distribution plate of a fluidized bed roaster. Installing two groups of nozzle arrays on the side wall of the fluidized bed roaster, and adjusting the spraying direction of nozzles to be aligned with the small hole area of the distribution plate; high-precision temperature and pressure sensors are installed at the edge and corner blockage high-incidence area of the distribution plate, real-time and continuous monitoring of temperature-pressure data is achieved, and key supporting data are provided for system diagnosis and control. An integrated programmable logic controller system is introduced, when a sensor captures signals indicating that small holes are possibly blocked, such as abnormal temperature drop or obvious pressure rise, a PLC immediately judges the existence and position of blockage and triggers a preset blockage clearing program, a nozzle is driven to spray high-pressure pulse airflow, and blockages are efficiently cleared. The system has the characteristics of intelligence, automation, high efficiency and the like, can prevent the problem of blockage of the gas distribution plate of the fluidized bed roaster, and ensures high efficiency and stability of equipment operation.

The invention relates to a solar seawater desalination system for ships, which belongs to the technical field of seawater desalination and comprises a mechanical filter device, a seawater heat exchange device, a reverse osmosis desalination device and a fresh water tank which are sequentially connected through pipelines. The seawater heat exchange device comprises a heat exchange box and a heat exchange pipe arranged in the heat exchange box, the heat exchange pipe comprises a plurality of straight pipes and bent pipes, the multiple straight pipes are arranged at intervals in the horizontal direction, the straight pipe at one end of the multiple straight pipes is used for being communicated with a steam exhaust port of a ship steam turbine, and the straight pipe at the other end of the multiple straight pipes is used for exhausting gas. The bent pipes are communicated between the adjacent straight pipes, cleaning brushes are arranged on the straight pipes in the circumferential direction of the straight pipes in a sliding mode, the cleaning brushes abut against the outer walls of the corresponding straight pipes, and a driving assembly used for driving the multiple cleaning brushes to slide synchronously is arranged in the heat exchange box. The seawater heat exchange device has the advantage that the seawater heat exchange efficiency in the seawater heat exchange device is guaranteed.

The invention discloses a temperature control structure of a new energy vehicle. The temperature control structure comprises a heat exchange plate and a driving structure. At least part of the heat exchange plate extends into a battery pack accommodating cavity of the vehicle and is arranged to be capable of moving close to or away from a battery pack; and the driving structure is arranged to be capable of driving the heat exchange plate and the battery pack to be compressed or separated. According to the temperature control structure, the temperature control structure such as the heat exchange plate is relatively independent from the battery pack, and the heat exchange plate structure capable of controlling compression and separation cooperation with the battery pack is designed, so that the water cooling plate can be independently disassembled, repaired and replaced conveniently, the maintenance cost is reduced, the water cooling plate pipeline butt joint step during disassembly and assembly of the battery pack is omitted, and the disassembly difficulty of the battery pack is reduced; the service life of the heat exchange structure is prolonged, the fault and damage probability is reduced, when the battery pack needs to be disassembled, the heat exchange plate is actively separated, and the operation difficulty of disassembling or plugging the battery pack is further reduced. The invention further relates to a battery compartment and a battery-changing type new energy vehicle.

The utility model provides an automatic blanching device which comprises a groove body, and a containing space is formed in the groove body. The combustion heater is arranged in the accommodating space; a containing space is formed in the blanching, boiling and fishing pot, a stirring mechanism is rotationally arranged in the containing space, and a plurality of communicating open holes enabling the containing space to communicate with the containing space are formed in the blanching, boiling and fishing pot; the boiling and fishing pot is rotationally connected with the tank body, the boiling and fishing pot is located in the containing space in a boiling state, and the combustion heater is located below the boiling and fishing pot. The automatic sea cucumber blanching device has the advantages that automatic sea cucumber blanching can be achieved, blanching efficiency is improved, blanching cost is greatly reduced, and the automatic sea cucumber blanching device is small in overall size, easy, safe and convenient to operate and suitable for being used by a large number of farmers and manufacturers.

The invention discloses an energy-saving and environment-friendly waste heat recovery type heat exchange system, and relates to the technical field of heat exchange, a heat-insulation shell is provided with a heat exchange dust removal assembly, the outer side of a heat exchange water pipe assembly is uniformly sleeved with fixed heat exchange sheets, and the side, close to the fixed heat exchange sheets, of a movable heat exchange sheet is fixedly clamped with a scraper; the electric push rod pushes the sliding block to slide along the sliding rail, the scraping plate can scrape off dust adhering between the fixed heat exchange pieces, the movable sleeve pushes the fixed lead screw to move upwards, the movable lead screw can move upwards, the movable lead screw can move upwards, the movable lead screw can move upwards, and therefore the dust can be removed, and the dust can be removed. The protruding plates and the movable heat exchange pieces which are connected with the lifting plates are pushed to penetrate through the guide scraping holes, the scraping plates penetrate through the scraping plate holes, the movable heat exchange pieces are also cleaned, cleaning is easy while the large heat exchange area of the internal structure is guaranteed, the heat exchange efficiency is guaranteed, and the cleaning difficulty is greatly reduced.

A modular immersed liquid-cooled energy storage battery thermal management system with an inverse opal structure surface relates to the field of energy storage battery thermal management, and is characterized in that a cooling liquid supply system feeds a cooling liquid into an immersion bin through a liquid inlet of the immersion bin at the foremost end, and the cooling liquid flows through a heat dissipation structure on the outer side of a battery monomer for heat exchange; and the cooling liquid after heat exchange flows into the next immersion bin through the liquid outlet of the immersion bin, sequentially passes through the immersion bins to exchange heat with the battery monomers, and then flows out from the liquid outlet of the immersion bin at the rearmost end. The heat dissipation structure can increase the heat exchange area with the cooling liquid and improve the heat exchange efficiency of the battery monomers.

The invention discloses a condenser for cooling a steam turbine, and relates to the technical field of condensers. The condenser for cooling the steam turbine comprises a condensing box, a water inlet box, a water drainage box and a filtering unit, the condensing box is provided with a condensing cavity, a steam inlet and a water collecting box, and a plurality of condensing pipes with the two ends extending out of the condensing box are arranged in the condensing cavity; the water inlet tank and the water outlet tank are arranged on the two sides of the condensation tank corresponding to the two ends of the condensation pipe respectively and communicated with the condensation pipe, the water inlet tank is provided with a water inlet and a water outlet, and the filtering unit is arranged at the position of the water inlet and used for filtering water entering the condensation pipe. According to the condenser for cooling the steam turbine, water before entering the condensation pipe can be filtered, the situation that impurities in the water accelerate crystallization and separation of salts in the condensation pipe and consequently the condensation pipe is blocked is avoided, the through-flow section of the condensation pipe and the heat exchange efficiency of the condenser are guaranteed, and the production cost is reduced.

The invention provides a photo-thermal nanoparticle, a photo-thermal self-driven hydrophobic anti-icing coating and a preparation method and application thereof, and belongs to the technical field of hydrophobic anti-icing materials. The invention provides a preparation method of photo-thermal nano-particles, which comprises the following steps: mixing a nano-material and tetraethoxysilane under an alkaline condition for hydrolysis, and coating the surface of the nano-material with a silicon dioxide shell to obtain coated nano-particles; and mixing the coated nanoparticles with a silane coupling agent, and carrying out a grafting reaction to obtain the photo-thermal nanoparticles. The preparation method comprises the following steps: by taking a nano material as a carrier, generating a silicon dioxide shell on the surface of the nano material through modification, and then modifying the silicon dioxide shell (carrying out grafting reaction), so that the silicon dioxide shell is grafted with a silane group, and the prepared photo-thermal nano particle has high sunlight absorptivity and super-hydrophobic and super-oleophobic characteristics. The photo-thermal self-driven hydrophobic anti-icing coating is prepared by using the photo-thermal nanoparticles as a main filler and coupling a high-hardness film-forming substance and a related auxiliary agent.

The invention belongs to the technical field of boiler waste heat recovery, and particularly relates to boiler continuous emission waste heat recovery equipment which comprises a recovery part, a material guide mechanism, a filtering mechanism, a circulating mechanism, a cleaning mechanism and a control mechanism. The recycling part comprises a storage tank, a bearing seat and a material conveying pipe, the storage tank is fixedly mounted at the upper end of the bearing seat, and the material conveying pipe extends into an inner cavity of the storage tank and is spirally distributed in the storage tank; the material guiding mechanism comprises a feeding pipe and a discharging pipe, and the feeding pipe and the discharging pipe are distributed at the two ends of the storage tank respectively. The filtering mechanism comprises a mounting frame, a filtering plate and a connecting cylinder, the connecting cylinder is fixedly mounted in the feeding pipe, and the filtering plate is mounted on one side of the connecting cylinder through the mounting frame; the circulating mechanism is used for controlling waste liquid in an inner cavity of the storage tank to circularly flow; the cleaning scraping plate is driven to rotate through cooperation of the structure, so that impurities attached to the outer wall of the filter plate are scraped, the filter plate is prevented from being blocked, the filter efficiency is kept, impurity attachment is prevented during use, and the heat exchange efficiency is kept.

The embodiment of the utility model provides a compression device using liquid cooling for cooling. The compression device comprises at least one compressor unit, the compressor unit comprises a compressor and a gas-liquid separator, and a gas outlet of the compressor is connected with a gas inlet of the gas-liquid separator; the cooling unit comprises at least one medium cooler and at least one aftercooler; a hot side channel of at least one medium cooler is connected with a lubricating medium outlet of the gas-liquid separator and a lubricating medium inlet of the compressor through a lubricating medium pipeline to form a lubricating medium circulation loop; a hot side channel of at least one aftercooler is connected with a gas outlet of the gas-liquid separator through a gas conveying pipeline; the cold side channel of the at least one medium cooler and the cold side channel of the at least one aftercooler are connected in series through a refrigerant pipeline. Therefore, the pipeline structure is simple, miniaturization of the cooling unit is facilitated, and the overall size of the compression device is reduced.

The invention provides a die-casting machine and a charging barrel assembly thereof, and relates to the technical field of die-casting machines, the charging barrel assembly comprises a charging barrel body, a heat exchange path adjusting structure, an annular groove, a connecting pipe, an annular baffle, a descending type circumferential distribution baffle structure, a cooling medium circulating pipeline and a heating medium circulating pipeline, and the die-casting machine adopts the charging barrel assembly; lifting type circumferentially-distributed baffle structures are evenly assembled on the outer wall of an annular groove in the length direction, the bending degree of a medium channel formed between the inner side ends of the lifting type circumferentially-distributed baffle structures and annular baffles is changed through lifting control, and the larger the bending degree is, the longer the medium flowing path is; in this way, the length of the heat exchange path can be controlled according to the amount of molten metal needing heat exchange, the heat exchange path and the molten metal are matched, the heat exchange effect is accurately regulated and controlled, and the heat exchange efficiency is guaranteed.

The invention provides a nozzle assembly, a water distribution device and a cooling tower. The nozzle assembly comprises a communicating pipe, and a variable flow groove is formed in the side wall of the communicating pipe; the casing pipe is movably arranged on the communicating pipe, and the effective water inlet area of the variable flow groove can be adjusted through movement of the casing pipe; the communicating pipe is arranged in the water distribution disc, and buoyancy of fluid in the water distribution disc can drive the sleeve to move. According to the spray head assembly, the water distribution device and the cooling tower, buoyancy of liquid in the water distribution disc is used for driving the sleeve to move, so that the sleeve can dynamically adjust the effective water inlet area of the variable flow groove according to the liquid level height in the water distribution disc, and the effective water inlet area is in direct proportion to the liquid level height in the water distribution disc; the water inlet pressure entering the communicating pipe is basically unchanged, the water inlet flow speed of the communicating pipe can be basically unchanged, the spraying range of the nozzle is further guaranteed, the spraying effect of the nozzle assembly is guaranteed, and the heat exchange efficiency of the cooling tower is guaranteed.

The utility model relates to a packing module with water sealing edges and a cooling tower. The packing module with the water sealing edges is provided with rectangular packing sheets A, packing sheets B and first heat exchange parts, wherein the packing sheets A and the packing sheets B are alternately stacked at specified intervals, and the first heat exchange parts are alternately stacked and formed between the packing sheets B and A; the first heat exchange part is formed between the packing sheets A and B, and the second heat exchange part is formed between the packing sheets A and B. The upper-section guide part of the packing sheet A is formed in the mode that the first upper-section guide part and the second upper-section guide part on the two sides in the horizontal direction are offset towards the rear side and the front side respectively, and the edge of one side of the packing sheet A is integrally offset towards the front side to form a first edge sealing part; the upper section guide part of the packing sheet B is formed in a way that a third upper section guide part and a fourth upper section guide part on the two sides in the horizontal direction are respectively deviated from the front side and the rear side, the edge of one side of the packing sheet B is wholly deviated to the rear side to form a second edge sealing part, and the first edge sealing part and the second edge sealing part are closed to form a sealing edge during stacking. The sealing edge can well achieve sealing of the first flow path, and hot water in the first flow path is prevented from permeating into the second flow path.

The utility model provides an indoor unit of an air conditioner, which comprises a water pan arranged below an indoor heat exchanger; the indoor heat exchanger comprises a first-section heat exchanger, and the bottom end of the first-section heat exchanger is located behind the top end of the first-section heat exchanger in the front-back direction of the main body; in the front-back direction of the main body, the bottom end of the second-section heat exchanger is located in front of the top end of the second-section heat exchanger; the second-section heat exchanger is positioned behind the first-section heat exchanger; the third-section heat exchanger is positioned above the first-section heat exchanger; the space on the front side of the indoor fan can be fully utilized, the space in the height direction is fully utilized, the heat exchange area is increased, the heat exchange effect is improved, the height size is small, and the air conditioner indoor unit can be installed above a window or a door; an indoor air inlet is formed in the front side of the water pan; at least part of the indoor air inlet is located on the front side of the water pan and located below the third-section heat exchanger, and heat exchange of the first-section heat exchanger and the third-section heat exchanger is facilitated.

A highly integrated wide- and narrow-band RF transceiver module includes a housing made of aluminum alloy with a flat structure. An upper cavity is formed with an opening on the housing's surface, and a lower cavity is formed with an opening on the lower surface of the housing. An upper control card and an upper partition are located at the bottom of the upper cavity, with the upper partition fixed to the bottom of the upper cavity by screws. Multiple compartments are formed on the upper partition. An upper cover is fixed to the upper end of the upper cavity. A lower control card and a lower partition are located at the bottom of the lower cavity, with the lower partition located below the lower control card and fixed to the bottom of the lower cavity. Multiple holes are formed on the lower partition, with electronic components on the lower control card located within each hole. A lower cover is fixed to the lower end of the lower cavity. This invention's dual-cavity design evenly distributes the gain in the RF link across both sides, achieving physical isolation and increasing electromagnetic shielding. Simultaneously, power amplifiers and RF front-end circuits arranged on the same side are physically isolated through the upper and lower partitions, ensuring electromagnetic shielding effectiveness.

The invention relates to a homogenizing device for flame-retardant PVC film raw materials, comprising an external support structure, a stirring structure and a cooling structure. The external support structure is composed of an external support cylinder, a feeding and discharging mechanism at two ends and an internal annular gasket ring, the gasket ring is provided with a sliding support groove, the stirring structure is composed of an external stirring cylinder and an internal stirring cylinder, the external stirring cylinder is connected to the gasket ring through the sliding support groove, the internal stirring cylinder is in sliding sealing contact with the feeding and discharging mechanism, the cooling structure is located between the external support cylinder and the external stirring cylinder, a cooling medium is filled therein and circulates for heat exchange, the external stirring cylinder and the internal stirring cylinder are driven by an external driving shaft and an internal driving shaft respectively, and the inner wall of the cylinder is provided with extrusion and stirring protrusions.

The utility model relates to the technical field of shell-and-tube heat exchangers, in particular to a shell-and-tube heat exchanger with a filtering effect, which comprises a shell, the top of the shell is fixedly connected with a feed inlet, the bottom of the shell is fixedly connected with a support frame, one side of the shell is fixedly connected with a motor, the output end of the motor is provided with a rotating shaft, and the rotating shaft is fixedly connected with the support frame. One side of the rotating shaft is connected with a reciprocating mechanism and a vibrating mechanism, one side of the reciprocating mechanism is connected with a scraping plate, the interior of the shell is fixedly connected with a supporting block, the interior of the supporting block is slidably connected with a filter screen, the scraping plate corresponds to the filter screen, and the vibrating mechanism corresponds to the filter screen; the reciprocating mechanism comprises a rotating rod, the rotating rod is fixedly connected with the rotating shaft, one side of the rotating rod is rotationally connected with a rocker, and the rocker is rotationally connected with the scraper.

The utility model relates to the technical field of civil air defense engineering, in particular to a civil air defense filtering absorber with a ventilation conversion function, which comprises a shell, a cooling cavity is arranged in the shell, cooling water is stored in the cooling cavity, a water replenishing pipe is arranged on the outer side of the shell, and an air cooling mechanism is arranged in the shell. The air cooling mechanism comprises an air guiding pipe fixedly connected to the top end of the shell, a plurality of sets of cooling coiled pipes are arranged on the two sides of the cooling cavity, the bottom end of the shell is fixedly connected with a coolant storage box, the coolant storage box is communicated with the cooling coiled pipes, and a circulating pump is installed at the bottom end of the coolant storage box. The shell is matched with the air cooling mechanism, filtered clean air is guided into the snakelike passing pipe through the air guiding pipe, heat exchange is conducted between the snakelike passing pipe and cooling water in the cooling cavity, and therefore the heat exchange efficiency of the cooling water in the cooling cavity is guaranteed, and damage caused by high-temperature air is avoided.

The utility model belongs to the technical field of ethylene cracking equipment, and discloses a quenching heat exchanger. The quenching heat exchanger comprises a barrel, an upper tube plate, a lower tube plate, an inlet seal head, an outlet seal head and a plurality of heat exchange tubes, the upper tube plate and the lower tube plate are connected to the two ends of the barrel respectively in the vertical direction and jointly define a shell pass cavity, cooling water circulates in the shell pass cavity, the inlet end socket is connected to the end, away from the barrel, of the lower tube plate, the outlet end socket is connected to the end, away from the barrel, of the upper tube plate, and the heat exchange tubes are evenly distributed in the barrel. One end of the heat exchange tube penetrates through the lower tube plate and is communicated with the inlet seal head, and the other end of the heat exchange tube penetrates through the upper tube plate and is communicated with the outlet seal head, so that high-temperature cracking gas circulates in a tube pass chamber in the heat exchange tube; the upper tube plate is provided with an exhaust mechanism, and the exhaust mechanism is used for exhausting water vapor accumulated on the upper tube plate; the lower tube plate is provided with a sewage discharging mechanism which is used for discharging dirt accumulated on the lower tube plate. The quenching heat exchanger can discharge stains and water vapor, and the reliability of the quenching heat exchanger is improved.

The invention provides a vertical power module heat dissipation device and method and an aircraft, and belongs to the technical field of aircrafts, and the heat dissipation device comprises a heat exchanger fairing and a heat exchanger; the heat exchanger fairing is in a streamline shape with two sharp ends and a wide middle, the two ends of the heat exchanger fairing are fixedly arranged on the power arm body, and heat exchanger heat dissipation openings are formed in the top of the heat exchanger fairing and located below the forward-rotating propeller and the reverse-rotating propeller. Driving motor modules of the forward-rotating propellers and the reverse-rotating propellers are located in the heat exchanger fairing, and heat exchanger heat dissipation channels are formed between the inner side wall of the heat exchanger fairing and the two sides of the top of the power arm body; the heat exchanger is arranged in the heat exchanger fairing, and cooling fins of the heat exchanger are arranged at heat dissipation openings of the heat exchanger. And a hot liquid inlet and a cold liquid outlet of the heat exchanger are respectively connected with a cooling liquid outlet pipe and a cooling liquid inlet pipe of the driving motor module. The problem that in the prior art, a heat dissipation structure is arranged outside a power arm, and flight resistance is caused to cruise flight of an aircraft can be solved.

The present invention discloses a heat exchange plate with air conditioning function for a heating boiler system, and relates to the technical field of heating air conditioning. The present invention comprises a furnace body and a water collector fixedly mounted on a bracket, and a heat exchange plate fixedly mounted on a mounting frame, and further comprises: a water circulation part, the water circulation part comprises a water supply pump; a circulation heating part, the circulation heating part is used to heat the water in the furnace body; an air conditioning part, the air conditioning part cooperates with the heat exchange plate, and is used to adjust the indoor air humidity. The advantages are: during the heating process, the present invention can automatically exhaust the heat exchange plate at regular intervals to ensure the heat exchange efficiency of the heat exchange plate, and at the same time, the moisture overflowed during the exhaust process is used to adjust the indoor air humidity to avoid the discomfort caused by dry indoor air, and the output power of the burner can be automatically controlled according to the water temperature changes of the users entering and leaving, so as to realize intermittent dynamic heating and ensure the heating effect.

The utility model relates to an efficient displacement heat exchanger, and relates to the technical field of heaters, the efficient displacement heat exchanger comprises a displacement heat exchanger body, and the displacement heat exchanger body comprises a coal hot water inlet pipe, a coal hot water outlet pipe, a heated water inlet pipe and a heated water outlet pipe which are communicated with the displacement heat exchanger body; the coal hot water outlet pipe is fixedly connected and communicated with a waste heat recovery pipe, a first heat exchange coil pipe is installed in the waste heat recovery pipe, the heated water inlet pipe is fixedly connected and communicated with a preheating pipe, and a second heat exchange coil pipe is installed in the preheating pipe. The second heat exchange coil pipe and the first heat exchange coil pipe are fixedly connected and communicated through a connecting pipe used for connecting the second heat exchange coil pipe and the first heat exchange coil pipe, and a pump body used for driving a medium in the connecting pipe to circulate is installed on the connecting pipe. The method has the effect of improving the heat utilization rate of coal heat.