782results about "Rotary device cleaning" patented technology

The invention relates to a cooling tower device for recovering heat from waste steam, which adopts three layers of transversely arranged heat exchange tube groups, realizes cascade recovery of heat energy of waste steam through communication of an air inlet and an air outlet, and is additionally provided with fins on the surfaces of heat exchange tubes to enhance the gas-liquid mass transfer efficiency. The core innovation lies in that a built-in mechanical cleaning mechanism is arranged, a driving assembly is in linkage with multiple sets of bidirectional adapters through a rotating shaft, brush rods distributed in the circumferential direction are driven to conduct high-frequency physical scraping on heat exchange pipes and fins, scale deposition is effectively restrained, and compared with traditional chemical cleaning, the shutdown maintenance time is shortened; the steam latent heat recovery rate can be increased, meanwhile, secondary pollution is avoided through a full-mechanical cleaning scheme, modular layout is adopted in structural design, interlayer fluid distribution of the heat exchange pipe set is achieved through a U-shaped pipe and a straight pipe, it is ensured that the resistance coefficient of the system is lower than that of similar equipment, and the device has remarkable energy-saving benefits in industrial scenes such as chemical engineering and metallurgy.

The present invention discloses a plate heat exchanger, which belongs to the field of heat exchange, comprising a plate body, a plurality of guide pillars fixedly connected to one side of the plate body, a plate body two movably sleeved on the outside of the guide pillars, and a heat exchange plate located between the plate body one and the plate body two, wherein one side of the plate body one is connected with a vertical installation component, and the vertical installation component comprises a support column fixedly connected to one side of the plate body one, a rotating seat rotatably sleeved on the outside of the support column, two lower side plates symmetrically fixed to the upper end of the rotating seat, two upper side plates respectively fixed to the upper ends of the two lower side plates, and a guide portion fixed to one side of the two upper side plates and the two lower side plates; the heat exchange plate can be vertically inserted between the two upper side plates and the two lower side plates, thereby avoiding the process of bending the heat exchange plate during installation, significantly reducing the mechanical stress on the heat exchange plate, reducing the damage such as deformation, scratches and creases that may be caused during the installation process, and improving the structural integrity and service life of the heat exchange plate.

The invention relates to the technical field of waste heat recovery, in particular to a waste heat recovery device and method for a dried fruit processing and producing workshop. The device comprises a heat exchanger, an air inlet of the heat exchanger is fixedly connected with a fan, a plurality of snakelike heat exchange pipes are fixedly connected into the heat exchanger, one ends of the multiple heat exchange pipes are fixedly connected with the same water inlet pipe, and the other ends of the multiple heat exchange pipes are fixedly connected with the same water outlet pipe. A collecting frame is arranged at the bottom of the heat exchanger in a sliding and inserting mode, a cleaning device for cleaning heat exchange tubes is arranged in the heat exchanger and comprises a cleaning roller, a plurality of bristles are fixedly connected to the arc surface of the cleaning roller, and an air blowing device for cleaning the bristles on the cleaning roller is arranged in the heat exchanger. Dirt is cleaned through the bristles of the cleaning device, and meanwhile, the blowing device blows air to the bristles, so that impurities are prevented from adhering to the bristles.

The invention relates to the technical field of heat exchange equipment, and discloses a gas-fired boiler equipment power heat exchange device which comprises a heat exchange box, a heat exchange pipe is installed in the heat exchange box, a plurality of heat exchange fins are installed on the heat exchange pipe, and the heat exchange fins are connected through heat conduction fins; the cleaning block is slidably mounted on the heat exchange fins, and a cleaning brush is mounted on the surface, facing the heat exchange fins, of the cleaning block; the driving assembly is mounted in the heat exchange box; through the arrangement of the heat conduction fins, the temperature difference between the windward heat conduction fins and the leeward heat conduction fins can be reduced, and after the heat conduction fins are used for a period of time, the driving assembly drives the cleaning block to rotate, so that the cleaning block slides on the surfaces of the heat exchange fins to clean dirt attached to the surfaces of the heat exchange fins, and it is ensured that each heat exchange fin is in a clean state; the heat exchange fins can conduct heat sufficiently, so that it is guaranteed that the temperature of the heat exchange fins in all the areas is not uneven, and the heat exchange efficiency of the device is effectively improved.

The utility model relates to the technical field of fin type heat exchangers, and discloses an anti-blocking fin type heat exchanger which comprises a base tube used for introducing heat exchange liquid; the mounting ring is arranged between the two base pipes, a guide ring is arranged on the inner wall of the mounting ring in a sealing and rotating fit mode, and the guide ring rotates through a driving unit; the scraper is arranged in the base pipe, the end of the scraper is fixed to the guide ring, and the scraper is used for cleaning scale in the base pipe; and the driving unit drives the scraper to circumferentially move around the axis of the base tube through the guide ring. The device has the effects of conveniently cleaning scale attached to the inner wall of the base pipe and reducing blockage of the base pipe.

The invention relates to the technical field of medicine production, in particular to condensing equipment for distillation separation of medical intermediates, which comprises a condensing tank, a refrigerant feeding pipe mounted on the lower side of the condensing tank and a refrigerant discharging pipe mounted on the upper side of the condensing tank, the condensation pipe assembly comprises a plurality of spiral condensation pipes, a feeding pipeline and a liquid outlet pipe, the feeding pipeline is arranged on the side, away from the refrigerant inlet pipe, of the condensation tank, the spiral condensation pipes are arranged downwards in a spiral mode, the multiple spiral condensation pipes are arranged in an up-down parallel mode, and the liquid outlet pipe is arranged among the multiple spiral condensation pipes; a flow guide ring layer is arranged on the inner side of the condensation pipe, a plurality of annular condensation grooves which are arranged in parallel up and down are formed in the flow guide ring layer, a flow guide cavity is formed in the flow guide ring layer, and a plurality of spraying openings communicated with the flow guide cavity are annularly formed in the annular condensation grooves. The contact time of a refrigerant and the spiral condensation pipe is prolonged, and therefore the condensation efficiency is improved.

The utility model belongs to the technical field of tubular heat exchangers, and particularly relates to a heat exchanger for high-salinity wastewater treatment, which comprises a tube shell, a first seal head and a second seal head. The first sealing head is fixedly connected with a high-salinity wastewater inlet pipe and a high-salinity wastewater outlet pipe; a supporting table, a hot medium outlet pipe and a hot medium inlet pipe are fixedly connected to the outer wall of the pipe shell; the two ends of the tube shell are fixedly connected with a first tube plate and a second tube plate; a group of heat exchange tubes are fixedly connected between the first tube plate and the second tube plate, and the heat exchange tubes are positioned in the tube shell; the heat exchange tube is fixedly connected with a group of baffle plates; a rotating rod is arranged in the heat exchange tube; the rotating rod is fixedly connected with a pair of symmetrical scraping blades; the scraping blades are spirally arranged; the problems that when a tubular heat exchanger is used for conducting heat exchange treatment on high-salinity wastewater, along with continuous circulating evaporation and concentration of the high-salinity wastewater, the inner wall of a heat exchange tube is prone to scaling, and the heat exchange efficiency is reduced are solved.

The invention discloses a flue gas waste heat recovery device and method for a garbage incinerator. Relates to the technical field of waste incineration treatment and comprises a waste heat recovery box, a heat exchange pipe set driven by a main control gear, a transfer gear and a fixed gear ring is arranged in the waste heat recovery box, and heat exchange pipes conduct revolution and autorotation in smoke at the same time to enhance heat exchange. Accumulated dust on the outer surface of the heat exchange tube is removed through the rotating treatment scraper and the removing brush cylinder, and the reciprocating treatment kettle is used for knocking the tube wall of the heat exchange tube to shake off the dust; the flow speed and the flow direction of flue gas can be intelligently adjusted through an angle-adjustable speed adjusting plate on a treatment scraper, so that the device is suitable for different working conditions; the device realizes efficient and stable recovery of flue gas waste heat, can keep a heat exchange surface clean on line, and is high in adaptability.

The invention belongs to the technical field of finned tube heat exchangers, and particularly discloses an energy-saving type tube fin heat exchanger. Comprising a machine frame, the machine frame is fixedly connected with a heat exchange shell, the heat exchange shell communicates with circulating pipes distributed in a mirror image mode, flow dividing shells distributed in a mirror image mode are arranged in the heat exchange shell, the flow dividing shell on one side is provided with a water inlet pipe, and the flow dividing shells distributed in the mirror image mode are jointly provided with heat exchange pipes distributed in a circumferential array mode. Fins distributed in an array mode in the circumferential direction are fixedly connected to the exterior of the heat exchange pipe, and the water inlet pipe is fixedly connected with a monitoring shell. According to the device, the temperature of high-temperature cooling water injected into the device is monitored through the monitoring shell, and the adhesion amount of solid impurities in unit time is judged according to the temperature and the flow of the high-temperature cooling water, so that the solid impurities on the heat exchange pipes and the fins influence heat exchange between the high-temperature cooling water and seawater to be accurately and timely cleaned; and the stability of the heat exchange effect of the device on the high-temperature cooling water is ensured.

The invention discloses a heat exchanger capable of strengthening hedging heat transfer, and relates to the technical field of heat exchangers, the heat exchanger comprises a shell, two supporting legs are fixedly installed at the lower end of the shell, the heat exchanger further comprises a tube box fixedly installed on the left side of the shell, and a feeding port and a discharging port fixedly communicate with the tube box; the shell is fixedly communicated with a liquid inlet and a liquid outlet, a fixed tube plate is fixedly mounted on the left side of the shell, a floating tube plate is mounted on the right side of the shell through a hook ring, and a floating head is mounted on the right side of the shell. The heat exchanger has the advantages that by means of cooperation of the baffle plates and the flow deflectors, parallel flow between cooling liquid and the heat exchange pipes can be converted into cross flow, the hedging heat transfer effect is enhanced, meanwhile, the contact effect between the cooling liquid and the heat exchange pipes is improved, driving can be provided for removal of scale on the heat exchange pipes through the flow guiding effect on the cooling liquid, and the heat exchange efficiency is improved. The overall heat exchange effect and heat exchange efficiency are effectively improved, and the possibility of energy waste is reduced.

The invention discloses an adjustable air heat exchanger which comprises a shell, two heat conduction plates are arranged in the shell, a heat exchange finned tube is fixed between the two heat conduction plates, one end of the heat exchange finned tube is an air inlet, and the other end of the heat exchange finned tube is an air outlet. According to the adjustable air heat exchanger, through the arrangement of the pipeline stepping moving mechanism, the extending amount of the air inlet pipe in the heat exchange fin pipe is automatically adjusted, the air inlet position of the air inlet pipe in the heat exchange fin pipe is changed, then the heat exchange time of the heat exchange fin pipe is changed, and the purpose of freely controlling the heat exchange efficiency is achieved; when the extending amount of the air inlet pipe is larger, the distance of air passing through the heat exchange fin pipe is shorter, the heat exchange time is shorter, and the heat exchange efficiency is lower, when the extending amount of the air inlet pipe is smaller, the distance of air passing through the heat exchange fin pipe is longer, the heat exchange time is longer, and the heat exchange efficiency is higher, and adaptive adjustment can be conducted according to the external environment temperature, the air flow or the heat exchange requirement.

The invention relates to the technical field of heat exchange devices, and discloses a stainless steel heat exchange plate for concentrate drying and an assembling structure thereof, through the arrangement of a clamping assembly, when a plate sheet is maintained, a driving rod is rotated in the forward direction or the reverse direction, so that the driving rod drives a cylindrical pressing block to drive a movable clamping plate to clamp the plate sheet, and assembling is rapidly completed; or the driving rod drives the cylindrical pressing block to drive the movable clamping plate to loosen the sheet bar to quickly complete disassembly, so that the time required for maintenance is greatly saved, the working efficiency is improved, the sheet bar is made of stainless steel, the sheet bar has extremely high corrosion resistance, and due to the fact that the stainless steel has high strength and hardness, the service life of the sheet bar is prolonged. The plate can be used for a long time in a harsh environment and is not prone to deformation or damage, and therefore the service life of the plate is prolonged.

The present invention belongs to the technical field of cooling towers, and specifically is a spray device of a closed cooling tower, comprising a cooling tower body, a plurality of air outlets are arranged at the top of the cooling tower body, exhaust fans are installed inside the air outlets, air inlets are arranged at both ends of the cooling tower body, a cooling pipe is installed in the middle of the cooling tower body, a water pump is installed at the bottom end of one side of the cooling tower body, a water delivery pipe is installed at the water outlet end of the water pump, a plurality of water guide pipes are fixed at the top end of the water delivery pipe, a plurality of water spray heads are installed at equal intervals at the bottom end of the water guide pipe, a cleaning structure for cleaning dirt is installed inside the water guide pipe; the scraper is driven by the rotation of the rotating column to scrape off impurities and algae on the inner surface of the water guide pipe, and the top block is flipped to drive the moving column to rise and fall inside the water spray head, and during the lifting process, the moving column drives the scraper to scrape and clean the inner wall of the water spray head, so that the water guide pipe and the water spray head can be cleaned during operation.

The invention belongs to the technical field of heat pump units. The air energy heat pump unit comprises a unit main machine, a fixing frame is fixedly connected to the top face of the unit main machine, an evaporator is fixedly mounted in the fixing frame, mounting plates are arranged on the front side and the rear side of the evaporator, and displacement assemblies are arranged between the mounting plates and the fixing frame. Connecting plates are movably connected to the two sides of the mounting plate, a same circular pipe is movably connected between the two connecting plates on the same side, two annular plates are movably connected to the outer side wall of the circular pipe, locking assemblies are arranged on the circular pipe and located between the annular plates and the connecting plates, and rotating driving assemblies are arranged between the mounting plate and the annular plates; a same movable shell is fixedly connected between the two annular plates on the same circular pipe, a plurality of cleaning brushes are fixedly connected to the side wall of the movable shell, and a plurality of through holes are formed in the side wall of the movable shell; dust sweeping and deep cleaning operation can be conducted on the evaporator, and the using effect is improved.

The utility model discloses a desulfurization waste liquid waste heat exchange device, which relates to the technical field of desulfurization waste liquid waste heat recovery, and comprises a pair of side plates, a plurality of hot water pipes and a cold water pipe, the pair of side plates is fixedly arranged at two ends of the plurality of hot water pipes, and two adjacent hot water pipes are connected through a connecting pipe. The multiple hot water pipes form an S-shaped hot water circulation channel through the connecting pipes, S-shaped cold water pipes are fixedly arranged in the multiple hot water pipes, a first rotating sleeve is rotationally arranged on the portion, located in each hot water pipe, of the cold water pipe, a plurality of scrapers are fixedly arranged on the two sides of each first rotating sleeve, and each scraper makes contact with the outer surface of the corresponding cold water pipe located in the corresponding hot water pipe. When hot water flows in the hot water pipe, the rotating sleeve I can be rotated under the action of the paddle, the scraping plate is driven by the rotating sleeve I to circumferentially rotate on the cold water pipe, the outer surface of the cold water pipe is cleaned, the scraping plate can be conveniently taken out through the plugging cover and the elbow which are detachably connected, and the scraping plate can be conveniently maintained or replaced.

The utility model provides a heat recovery type air-cooled heat pump unit which comprises a unit body, and a protective net is connected to the surface of the unit body through bolts. An air guide fan is supported by bolts at the upper end of the unit body; a heat exchange cleaning box structure is connected into the unit main body; the heat exchange cleaning box structure is characterized in that the heat exchange cleaning box structure comprises a working box, and a partition plate is welded to the left side of the inner wall of the working box; a heat exchange tube is embedded in the partition plate; an assembly pipe is welded to the right end of the heat exchange pipe. The right lower part of the working box is in bolted connection with a communicating box; heating medium connectors are welded to the lower end of the communicating box and the upper left portion of the working box. The upper end in the communication box is in embedded connection with the lower end of the assembly pipe; refrigerant connectors are welded on the left side of the lower part and the right side of the upper part of the working box; a movable cleaning seat structure is connected into the partition plate. Through the arrangement of the movable cleaning seat structure, sundries attached to the surface are cleaned during moving, and the heat recovery effect and efficiency are prevented from being affected by accumulation.

The invention relates to an automatic cleaning anti-blocking falling film evaporator, which mainly comprises a spiral power wheel, an anti-blocking pipe orifice bearing bracket, a pipe orifice cleaning steel wire, a steel wire spiral, an intelligent numerical control cabinet, a liquid distribution disc, a spraying hole cleaning steel wire and an intelligent numerical control cabinet. Falling film liquid flow impacts the steel wire spirals to drive radial vibration of hundreds of times per minute and slow rotation of less than 5 revolutions per minute, uniform and automatic cleaning of the heat exchange tubes is achieved, and possible abrasion of the heat exchange tubes is prevented. And the spiral power wheel utilizes the rotating power obtained by a rapid two-phase flow formed by mixing secondary steam at the outlet section of the heat exchange tube and a falling film liquid flow, so that the power for automatically cleaning the steel wire spiral is enhanced. The spraying hole cleaning steel wire and the pipe opening cleaning steel wire are driven to continuously rotate by utilizing the power of liquid flow impulse, so that timely cleaning and blockage prevention are realized. The intelligent numerical control cabinet can automatically adjust the automatic cleaning strength of the steel wire spiral according to the temperature data of the operation of the evaporator, and periodically assists the steel wire spiral which may stop rotating to recover to rotate again. And the reliability of automatic cleaning is improved.

The invention discloses a flue gas waste heat recovery device and method for a glass bead smelting furnace, and relates to the technical field of flue gas heat recovery. The glass bead smelting furnace flue gas waste heat recovery device comprises a rack, a filtering mechanism and a heat exchange mechanism, the filtering mechanism and the heat exchange mechanism are fixedly connected to the top of the rack, the filtering mechanism filters glass bead smelting furnace flue gas and then discharges the glass bead smelting furnace flue gas into the heat exchange mechanism for heat exchange and energy storage, and the filtering mechanism and the heat exchange mechanism both have a self-cleaning function; smoke can be filtered and heat can be recovered in sequence, an airflow channel forms a loop, after heat is released in the heat exchange mechanism, the heat can be discharged back to the filtering mechanism, a filtering disc in the filtering mechanism is separated into a left part and a right part, when initial smoke is filtered in the left half part of the filtering disc, impurities are attached to the bottom of the filtering disc, and the smoke is filtered in the left half part of the filtering disc. And the backflow flue gas can be used for blowing the filter disc from top to bottom, so that impurities attached to the bottom of the filter disc can fall into water on the lower layer, and the two sides can be cleaned in sequence.

The invention relates to the technical field of desulfurization wastewater treatment, and discloses a PPS tube power plant desulfurization wastewater heat exchange system which comprises a heat exchange tube box, a heat exchange assembly arranged in the heat exchange tube box, a cleaning assembly arranged in the water inlet end water guide tank and a turbulent flow assembly arranged in the heat exchange assembly, and the two sides of the heat exchange tube box are both connected with water guide tanks. The heat exchange assembly comprises a first heat exchange tube plate and a second heat exchange tube plate which are fixedly arranged on the inner wall of the heat exchange tube box, a plurality of heat exchange tubes communicating with the interiors of the first heat exchange tube plate and the second heat exchange tube plate are fixedly connected between the first heat exchange tube plate and the second heat exchange tube plate, and the turbulent flow assembly comprises a plurality of spiral plates rotationally arranged on one side of the first heat exchange tube plate. Desulfurization waste water is subjected to heat transfer and energy regulation and control through the heat exchange assembly, fibers and floccules at the water inlet position of the heat exchange assembly are removed through the cleaning assembly, a medium boundary layer in the heat exchange tube box is damaged through the turbulent flow assembly, and the heat transfer efficiency is enhanced.

The invention relates to the technical field of energy-saving heat exchange devices, in particular to an energy-saving jacketed heat exchanger for resorcinol production. Comprising an outer shell, a heat conduction shell is fixedly connected into the outer shell, the heat conduction shell and the outer shell are matched to form a steam cavity, the outer shell is provided with an air inlet and an air outlet which are both communicated with the steam cavity, and a water outlet communicated with the steam cavity is formed in the lower side of the outer shell. A steam cavity is formed in the outer shell, a liquid separation shell is installed on the upper side in the outer shell through a supporting plate, the outer shell is fixedly connected with a liquid inlet pipe communicating with the liquid separation shell, the outer shell is slidably and rotationally connected with a rotary drum located in the steam cavity, and a spiral flow guide plate is arranged on the inner wall of the rotary drum. Steam rises along a spiral path through the flow guide plate, sufficient heat exchange between the steam and liquid medicine is guaranteed, the contact time of the steam and the liquid medicine is prolonged, the steam is prevented from being discharged before heat exchange is completed, and therefore the purpose of saving energy is achieved.

The utility model discloses a closed cooling tower with a descaling structure, which comprises a heat exchange coil, the heat exchange coil is positioned in a shell, a descaling mechanism is arranged between the heat exchange coil and the shell, two sides of the heat exchange coil are respectively bent to form a bent groove, the descaling mechanism comprises a cleaning roller arranged along the extending direction of the bent groove, and the cleaning roller is positioned in the shell. The cleaning roller is inserted into the bending groove and moves relative to the bending groove so as to clean the surface of the heat exchange coil pipe; a cleaning roller matched with a bending groove formed by the structure of the heat exchange coil pipe is arranged, the cleaning roller is inserted into the bending groove, the cleaning roller is driven to reciprocate in the bending groove, and therefore the interior of the bending groove is effectively cleaned, a rotating shaft is arranged to drive bristles to rotate in the bending groove, and the cleaning efficiency is improved. The brush bristles rotate so as to increase contact and friction between the cleaning roller and the surface of the heat exchange coil pipe, the descaling and cleaning effect is enhanced, and even and effective cleaning of the bending position of the heat exchange coil pipe is guaranteed in combination with horizontal movement in the front-back direction.

The invention relates to the technical field of heat exchangers, in particular to a heat exchange device based on high-strength alloy conversion tube finish machining, which comprises a tube shell, a shell cover is fixedly mounted at the right end of the tube shell, a shell column is fixedly mounted on the outer surface of the tube shell, and a hydrothermal liquid inlet pipe is fixedly mounted above the outer surface of the tube shell. A hot liquid inlet pipe is fixedly mounted below the outer surface of the tube shell, a hot liquid outlet pipe is fixedly mounted below the outer surface of the tube shell, a cold liquid inlet pipe is fixedly mounted below the outer surface of the tube shell, and a cold liquid outlet pipe is fixedly mounted above the outer surface of the tube shell. The scraping block has the double functions of linearly scraping the pipe wall back and forth and rotationally stirring hydrothermal liquid, grease and impurities on the pipe wall can be effectively removed through linear motion, and a heat insulation layer is prevented from being formed; rotation movement enables to-be-cooled liquid in the pipe to make uniform contact with the pipe wall, heat transfer is accelerated, and compared with a traditional shell-and-tube heat exchanger, the heat exchange efficiency is remarkably improved.

The invention relates to the field of hydrogenation device pipeline temperature-maintaining hot water heat exchangers, in particular to a hydrogenation device temperature-maintaining hot water heat exchanger structure which comprises a bottom frame, a sliding plate, side plates, rectangular frames, a transverse pipe, a spiral pipe, a wiping unit, a driving assembly, a pipeline assembly, a connecting assembly and a driving unit. Petroleum flows into the spiral pipe through the transverse pipe and exchanges heat with hot water in the closed frame. The wiping unit is in magnetic linkage with a magnetic ring through an electromagnetic plate to synchronously clean the inner side and the outer side of a spiral pipe, and a brush assembly cleans scale on the inner wall of a rectangular frame; the branch water inlet pipe is matched with multiple pipelines to operate alternately, water can be supplied selectively, and the sliding plate and the supporting plate are linked to achieve separation of the rectangular frame and convenient disassembly and assembly of the spiral pipe. The device improves the heat exchange efficiency and the temperature control precision, reduces the maintenance difficulty, reduces the energy waste, and guarantees the smooth operation of the pipeline.

The invention relates to the field of heat exchangers, in particular to a three-dimensional variable-space bulging heat exchange plate and an equal-flow-path closed heat exchanger. The heat exchange plate comprises two sets of plate pieces with the edges welded and fixed, plate bodies of the two plate pieces are welded and fixed through evenly-arranged welding spots, a plate cavity of the heat exchange plate is pressurized and expanded to form a plurality of sets of heat exchange medium flowing cavities, and each heat exchange medium flowing cavity takes four sets of welding spots arranged in a rhombus shape as boundary points. Openings of the heat exchange medium flowing cavities are formed between the two adjacent sets of welding spots of the upper plate piece and the lower plate piece, and the openings of the heat exchange medium flowing cavities are communicated with the adjacent heat exchange medium flowing cavities. While the size of the heat exchanger is reduced, it can be guaranteed that the heat exchanger has high heat exchange efficiency, and the interior of the heat exchanger is not prone to blockage.

The utility model relates to the technical field of heat exchange devices, in particular to a blow-down water circulation heat exchange device of a power plant boiler, which comprises a heat exchange box and a heat exchange pipe arranged in the middle of the heat exchange box, a first vertical pipe is arranged at the top of the heat exchange box and communicated with the end of the heat exchange pipe, and a second vertical pipe is arranged at the bottom of the heat exchange box. A filtering part communicated with the heat exchange box is arranged at one end of the heat exchange box, the filtering part and the heat exchange box are both cylinders, a filtering net is fixedly installed in the filtering part, a second vertical pipe is arranged at the top of the filtering part, a third vertical pipe is arranged at the bottom of the heat exchange box, and a first scraping ring is arranged on the heat exchange pipe in a sliding mode; according to the blow-down water circulation heat exchange device of the power plant boiler, impurities adhering to the outer wall of the heat exchange pipe and the inner wall of the heat exchange box can be scraped away, high efficiency and stability of heat exchange are guaranteed, and practicability is high.

The invention belongs to the technical field of heat exchangers, and particularly relates to a tube nest-winding tube partition coupling type heat exchanger and a gradient tube distribution method thereof.The tube nest-winding tube partition coupling type heat exchanger comprises a tube shell, end sockets are installed at the two ends of the tube shell, and spiral heat exchange tubes are installed in the tube shell; small blades are mounted at the end parts of the spiral heat exchange tubes; a steel wire is wound on the spiral heat exchange tube and is connected to the rotating ring; a central rod is mounted in the tube shell, the central rod is positioned in the middle of each group of spiral heat exchange tubes, two ends of the central rod are rotationally mounted on the tube plate, a large blade is mounted at one end of the central rod, and the large blade is positioned in a space defined by the end socket, the tube plate and the tube shell; an impeller is mounted on the center rod and is a centrifugal impeller; the heat exchanger is simple in structure, the multiple sets of spiral heat exchange pipes are arranged in the pipe shell and surround the impeller in the middle of the pipe shell, dirt on the surfaces of the heat exchange pipes is cleaned through the steel wire ropes, heat exchange is promoted, and the heat exchange effect is improved.

The invention discloses a boiler room dead steam recovery device, and belongs to the technical field of dead steam recovery, the boiler room dead steam recovery device comprises a dead steam recovery mechanism, the dead steam recovery mechanism is internally provided with a dead steam heat exchange mechanism, the dead steam heat exchange mechanism comprises a heat exchange assembly, the heat exchange assembly is arranged in the dead steam recovery mechanism, the heat exchange assembly comprises a plurality of heat exchange pipes, and the heat exchange pipes are arranged in the dead steam recovery mechanism. A plurality of spiral blades are fixedly connected to the outer portion of the heat exchange assembly. According to the boiler room dead steam recovery device, a spiral piston assembly is controlled to move up and down through an adjusting assembly, the spiral piston assembly drives a magnetic suction type spiral advancing assembly to move up and down, a spiral sleeve advances along a spiral blade to achieve autorotation, and the magnetic suction type spiral advancing assembly controls a magnetic suction type cleaning assembly to rotate through magnetic force; the magnetic suction type cleaning assembly rotates to clean the inner wall of the heat exchange tube, the spiral sleeve moves along the spiral blade, attachment of pollutants can be reduced, and therefore the heat exchange effect of the heat exchange tube can be improved.

The invention discloses an efficient heat supply system of a solar coupled air source heat pump and a working method, and relates to the technical field of heat pumps. Comprising a solar heat collection module, an air source heat pump module and a user side. The air source heat pump module comprises a rack, a plurality of evaporators are fixedly connected to the rack, and cleaning assemblies used for cleaning the evaporators are arranged on the evaporators; the cleaning assembly comprises two electric sliding rails which are fixedly connected to the evaporator, and sliding blocks of the electric sliding rails are fixedly connected with L-shaped frames; and the brush roller is rotationally connected to the L-shaped frame, and the brush roller is fixedly connected with bristles. The brush bristles are inserted into the gaps of the fins of the evaporator, deformation of the fins is limited through the brush bristles, the water flow impact force borne by the fins is improved, then the fins are washed through water flow, in this way, the cleaning effect on the fins of the evaporator is enhanced, the cleanliness of the fins of the evaporator is improved, and the working efficiency of the evaporator is kept advantageously.

The invention discloses an energy-saving constant-temperature and constant-humidity unit and a method thereof, and relates to the technical field of heat exchangers, the energy-saving constant-temperature and constant-humidity unit comprises a heat exchange tube, a turbulent flow assembly is connected to the inner wall of the heat exchange tube in a clamped mode, and fluid in the heat exchange tube is adjusted through the turbulent flow assembly; according to the energy-saving constant-temperature and constant-humidity unit and the method thereof, when the rotating block moves, the overturning block rotationally installed at the end of the rotating block is driven to rotate around the end of the fixing rod, and the overturning plate is fixedly installed at the end of the overturning block, so that the overturning plate synchronously rotates along with the overturning block, and the flow speed of fluid in the heat exchange pipe is adjusted; non-uniform flowing phenomena such as turbulence and dead zones are reduced, and meanwhile, the flowing state of the fluid is optimized, so that the flowing efficiency is improved, and the energy loss is reduced; meanwhile, abrasion and corrosion in equipment are reduced, and the service life of the pipeline is prolonged.

The invention discloses an environment-friendly electromagnetic heat conduction oil heating energy-saving device which comprises a supporting frame body and a plurality of heat conduction cylinders which are parallel to one another and are arranged in the supporting frame body in a rectangular array mode, and every two heat conduction cylinders which are arranged in parallel up and down form a group. The heat conduction cylinder comprises end heads fixedly arranged at the two ends and a cylinder body rotatably embedded between the two end heads. At least two heating pipes are erected in each heat conduction cylinder, the heating pipes are continuously bent and arranged between the two ends, a plurality of heating sections are arranged on pipe bodies of the heating pipes, heating wires are wound around the heating sections, a stirring device is arranged in each heating section, one end of each stirring device extends out of the corresponding heating section, and a driven gear is arranged at the extending end of each stirring device. A transmission gear ring in meshed connection with the driven gear is circumferentially arranged on the section, corresponding to the driven gear, of the inner wall of the barrel body, the carbon deposition rate in the barrel is reduced, and the heat efficiency in the barrel is improved.