585results about "Rotary device cleaning" patented technology

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 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 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 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 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 technical field of waste heat recovery, and particularly discloses a waste heat recovery device of a steam boiler, the waste heat recovery device comprises a boiler body, the top of the boiler body is provided with a flue pipe, a fixed pipe, a heat recovery assembly and a discharge pipe, and the flue pipe is fixedly communicated with the top of the boiler body; flue gas enters the chimney through the flue pipe and the fixed pipe and then exchanges heat with the multiple sets of heat conducting plates, and heat is transmitted to runners of the chimney and the movable cylinder and runners of the movable cylinder and the fixed cylinder through the heat conducting plates to heat combustion air introduced into the runners of the fixed cylinder and the movable cylinder through the air inlet pipe. The boiler feed water is introduced into a movable barrel and a smoke barrel flow channel through a water inlet pipe, contact between smoke and the plate face can be enhanced through rotation of a heat conduction plate, the heat transfer area is increased, the waste heat recovery efficiency is improved, and heat loss is reduced; meanwhile, the air flow channel is arranged on the outer side of the water flow channel, heat dissipated in the water flow heating process can be reutilized, and the waste heat utilization efficiency and the recovery effect are further improved.

To provide a boiler low temperature state quick flushing method.SOLUTION: A boiler flushing device includes: an activation mechanism comprising a boiler body and a power assembly provided at the boiler body; a scale removal mechanism comprising a transmission assembly provided at the power assembly and a scale scraping assembly provided at the transmission assembly; and a uniform stirring mechanism comprising a fixed column provided at the boiler body, a limiting assembly provided at the fixed column, and a motion assembly provided at the limiting assembly. The scale removal mechanism allows a scale scraping brush to perform circular motion on an inner wall of the boiler body to scrape scales on the inner wall of the boiler body. A scraping member is provided on the inner wall of the boiler body and cleans the scale scraping brush. At the same time, the uniform stirring mechanism is provided on the fixed column to avoid the scraped scales from accumulating on a bottom part of the boiler body and being discharged from the boiler body with water flow through a drain pipe and allow cleaning to be performed more thoroughly.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of boilers, in particular to an online ash removal device for a boiler. According to the technical scheme, the boiler on-line ash removal device comprises a boiler body, the right side of the boiler body is connected with an air pre-heater through a pipeline, a tail heating surface is installed on the right side surface of the air pre-heater, symmetrical slag discharging openings are formed in the right side of the bottom surface of the tail heating surface, and fixing discs are arranged in the middles of the left side and the right side of the tail heating surface correspondingly; a screw rod is arranged between the two fixed discs, a movable seat is arranged on the outer surface of the screw rod, a cleaning disc is arranged on the right side surface of the movable seat, and a slag scraping rod is arranged on the outer surface of the cleaning disc. By arranging the screw rod, the screw rod can drive the moving seat on the surface of the screw rod to move left and right when rotating, so that the cleaning disc is driven to move left and right, and the cleaning disc rotates to drive the slag scraping rods on the surface of the cleaning disc to rotate, so that accumulated dust on the inner wall of the tail heating surface is scraped.

The utility model relates to a waste heat recovery device for waste water after fabric dyeing treatment, the waste heat recovery device comprises a barrel body, a heat exchange pipe and a cleaning assembly, the heat exchange pipe is a spiral coil pipe and is located in the barrel body, the cleaning assembly comprises a cleaning ring, a brush and a driving part, the cleaning ring is arranged on the heat exchange pipe in a sleeving manner, and the brush is located in the barrel body. The brush is arranged on the cleaning ring and used for brushing the outer side wall of the heat exchange pipe, and the driving part is used for driving the cleaning ring to move in a reciprocating mode in the spiral direction of the heat exchange pipe. The heat exchanger has the effect of reducing impurities in waste water adhered to the outer side wall of the exchanger so as to prolong the service life of the heat exchange pipe.

The invention relates to the technical field of steam recycling, and discloses a manganese sulfate concentration bled steam recycling device which comprises an outer shell, a condensation mechanism for cooling steam is arranged in the outer shell, and a slag scraping mechanism for cleaning scales is arranged in the condensation mechanism. A transmission mechanism for providing kinetic energy for the slag scraping mechanism and the condensation mechanism is arranged on one side of the outer shell, a vibration filtering and collecting mechanism for separately collecting water and scale generated in the steam recovery process is arranged below the outer shell, and the slag scraping mechanism and the condensation mechanism are driven to operate at the same time through the arranged transmission mechanism; a first rotating rod rotates to drive a worm blade slag scraping plate to scrape dirt on the inner wall of the cooling pipeline, meanwhile, an annular gear drives a slag scraping piece to scrape dirt on the outer wall of the cooling pipeline, and finally condensate water and the scraped dirt are filtered and collected through an arranged vibration filtering and collecting mechanism.

The utility model provides an automatic cleaning mechanism for an air pre-heater, which belongs to the technical field of industrial cleaning equipment and comprises a fixed plate, a speed reducer is arranged on one side of the fixed plate, a rotating body is rotatably arranged in the speed reducer, the bottom end of the rotating body is vertically connected with the output end of a motor, and a sleeve is arranged at the top end of the rotating body. A connecting pipe is arranged at the top end of the sleeve, a T-shaped pipe is in threaded connection with the top end of the connecting pipe, L-shaped pipes are connected to the two sides of the T-shaped pipe, a high-pressure spray head is arranged at the top end of each L-shaped pipe, a protective cover is arranged at the top end of each L-shaped pipe, a water inlet pipe is arranged on one side of the sleeve, and a water outlet pipe of a water suction pump is arranged in the water inlet pipe in a clamped mode; the cleaning device has the advantages that water in the water bucket is pumped by the water pump and enters the water inlet pipe, the water passes through the connecting pipe and the T-shaped pipe and is finally conveyed to the L-shaped pipe to be sprayed out by the high-pressure spray head, and the motor drives the rotating body, the connecting pipe, the T-shaped pipe, the L-shaped pipe and the high-pressure spray head to rotate synchronously for cleaning.

The invention discloses a solid heat storage boiler, and relates to the technical field of ocean sampling, the solid heat storage boiler comprises a heat insulation box, a partition plate is arranged in the heat insulation box, the partition plate divides the interior of the heat insulation box into a heat storage bin and a heat exchange bin, an air duct is arranged in the heat storage bin, a heat storage brick is arranged in the heat storage bin, and a heating wire is arranged in the heat storage brick. A plurality of sets of heat exchange pipes are arranged in the heat storage bin, the circulating motor injects water into the heat exchange pipes, the electromagnetic valve close to one side of the water inlet tank is closed after injection is completed, the heat storage bin and the heat exchange bin are arranged in the heat storage bin, an air duct opening is formed between the heat storage bin and the heat exchange bin, a frame body is arranged in the heat exchange bin, and heat exchange pipes are arranged at the end of the frame body. According to the solid boiler, heat exchange is conducted on water in the heat exchange pipe through the air duct, the heated water flows into the water outlet tank to be temporarily stored and used, and therefore the purpose that hot water service is continuously provided without a water storage tank can be achieved, and the occupied area of the solid boiler is reduced.

The utility model discloses a waste heat utilization pipeline for boiler combustion optimization, which comprises a pipeline body, a plurality of heat exchange plates and a plurality of cleaning components, and the plurality of heat exchange plates are arranged in parallel at intervals along the length direction of the pipeline body. The corresponding cleaning assemblies are arranged on the contact faces of all the heat exchange plates and smoke and used for removing smoke steam impurities accumulated on the heat exchange plates. The heat exchange plate is of a wave-shaped structure and is used for increasing the contact area between the heat exchange plate and smoke. Corresponding cleaning assemblies are arranged at the bottoms of all heat exchange plates installed in a waste heat utilization pipeline, so that the cleaning assemblies are driven by rotating driving parts to move in the length direction of lead screws, and then a cleaning roller installed between the two lead screws moves along the heat exchange plates; and furthermore, metal bristles on the cleaning roller are used for removing smoke impurities accumulated on the heat exchange surface of the heat exchange plate, so that the waste heat utilization efficiency of the waste heat utilization pipeline for boiler combustion optimization is improved.

A sludge lance system for cleaning a tube bundle of a steam generator is disclosed. The sludge lance system comprises a mount, an index drive, and a sludge lance comprising a longitudinal rail, a manifold, an oscillator assembly, and a distal head. The oscillator assembly comprises a rotary output shaft. The distal head comprises a body portion, a first nozzle body on a first side of the distal head, and a second nozzle body on a second side of the distal head opposite the first side. The first nozzle body is rotatable relative to the body portion about a first longitudinal axis in a first direction in response to a rotation of the rotary output shaft. The second nozzle body is rotatable relative to the body portion about a second longitudinal axis in a second direction opposite the first direction in response to the rotation of the rotary output shaft.

The utility model discloses a deashing device for an air preheater, which belongs to the technical field of air preheaters and comprises a bottom plate, the air preheater is fixedly mounted at the upper end of the bottom plate, and a rotary deashing mechanism is mounted on the air preheater. The rotary ash removal mechanism comprises a transverse moving assembly and an autorotation ash removal assembly; a plurality of brushes are mounted on the self-rotating ash removal assembly; a reciprocating ash scraping mechanism is mounted at the upper end of the bottom plate; and the scraping plate is mounted on the reciprocating ash scraping mechanism. Through the mode, dust is prevented from being accumulated between the upper heat conduction pipe and the lower heat conduction pipe, the heat exchange efficiency of the heat conduction pipes and air is improved, an additional driving assembly is not needed, and the manufacturing cost is reduced; and dust cleaning is carried out on positions which are difficult to treat, so that the extra workload of workers is reduced, and the practicability of the device is further improved.

The invention relates to the technical field of waste heat recovery, and discloses a power plant cooling water waste heat recycling device which comprises a cylinder. At least two hot water pipes; at least two water gathering rings; the dirt cleaning part comprises a cleaning belt, the cleaning belt wraps the heat exchange pipe through a limiting frame, the cleaning belt is driven by a driving mechanism, and the driving mechanism has driving force for driving the cleaning belt to be attached to the heat exchange pipe for circumferential transmission and linear displacement force for driving the cleaning belt to move in the radial direction of the heat exchange pipe; according to the design, through dual driving force of the driving mechanism, the cleaning belt is in circumferential fit transmission and radial movement along the heat exchange tubes, can be tightly attached to the outer walls of the bent and parallel heat exchange tubes and scrapes CaCO3 scale layers of all the tube sections, the cleaning problem of the heat exchange tubes of complex structures is solved, and the situation that dirt is attached to the outer walls of the heat exchange tubes, consequently, heat resistance is increased, and the service life of the heat exchange tubes is prolonged is avoided. And the heat exchange efficiency is reduced.

The invention relates to the technical field of geothermal energy recycling, and discloses a coal mine underground geothermal energy recycling device which comprises a mounting bottom plate, a plurality of supporting legs fixedly connected to the bottom of the mounting bottom plate, a mounting frame fixedly connected to the top of the mounting bottom plate, and a double-shaft motor fixedly connected to the outer wall of the mounting frame. A heat exchange space is arranged in the recycling mechanism; the cleaning mechanism is mounted in the recycling mechanism; and the sediment removing mechanism is mounted at the bottom of the cleaning mechanism. According to the coal mine underground hot water recycling device, two driving gears and two driven gear rings are arranged, when the coal mine underground hot water recycling device is used for recycling coal mine underground hot water, a double-shaft motor is started to drive two rotating shafts to rotate, drive the two driving gears to rotate, drive the two driven gear rings to rotate and drive a circular shell to rotate, and therefore a brush is driven to move; and various mineral impurities attached to the outer wall of the water inlet cylinder are removed.

The utility model relates to the technical field of cooling towers, and discloses a cooling tower descaling device which comprises a cooling tower body, a climbing piece used for moving up and down along the tower wall on the inner side of the cooling tower body is arranged in the cooling tower body, an electric sliding rail is arranged on the climbing piece, a telescopic assembly is arranged on the climbing piece, and the electric sliding rail is connected with the telescopic assembly. Compared with the prior art, the two hairbrushes can axially rotate along the center of the cooling tower body and are not affected by the diameter of the cooling tower body, the applicability is wider, meanwhile, the climbing pieces can drive the hairbrushes to reach different heights in the cooling tower body, and the climbing pieces can drive the hairbrushes to reach different heights in the cooling tower body. The cleaning range of the brush is further increased, so that the service life of the cooling tower is prolonged, the cooling effect is ensured, and the practicability is higher.

The invention relates to the technical field of condensers, and discloses a parallel arrangement type energy-saving condenser for a synthesis kettle and a method, the parallel arrangement type energy-saving condenser comprises a shell, a heat exchange pipe and an air inlet, the heat exchange pipe and the air inlet are arranged in the shell, the air inlet is fixedly communicated with one side of the shell, and the end, away from the air inlet, of the shell is fixedly communicated with a water inlet and a water outlet; the interior of the shell is fixedly connected with a ventilation cover, and an acceleration assembly is arranged in the ventilation cover; through cooperative use of a heat exchange pipe and an acceleration assembly, a water source in the heat exchange pipe enters a fixed disc through a flowing pipe, the water source drives a rotating rod to rotate through a rotating blade, the rotating rod drives an L-shaped plate to rotate through a cam, a first spring deforms when the L-shaped plate rotates, and when the cam does not make contact with the L-shaped plate any more, the first spring deforms when the cam makes contact with the L-shaped plate; and the first spring quickly recovers to the initial state and generates vibration, the vibration is transmitted to the heat exchange tube, and the condensate on the surface of the heat exchange tube flows through the vibration, so that the effect of accelerating flowing is achieved.

The utility model relates to the technical field of waste gas treatment, and discloses an indirect condensing device for VOCS waste gas treatment, which comprises a closed cooling cylinder and a closed transition cylinder fixedly sleeved in the closed cooling cylinder, and an annular abdicating space is formed between the closed cooling cylinder and the closed transition cylinder. A supporting rack is fixedly connected to the surface of the bottom of the closed cooling cylinder, and a spiral blade shaft is arranged in the closed transition cylinder in a sleeved mode. In order to solve the problem that frost blockage possibly exists between a closed cooling cylinder and a closed transition cylinder, the second servo motor can be started while a cooling medium is input, and the second servo motor is meshed with an inner gear ring arranged in a transmission mode through a corresponding transmission gear; and then the inner gear ring drives the arranged composite scraper assembly to circularly rotate between the closed cooling cylinder and the closed transition cylinder, and the inner wall of the closed cooling cylinder and the surface of the closed transition cylinder are scraped and cleaned through a supporting shaft and a scraper body.

The invention discloses a multi-medium heat exchanger for a new energy automobile and a control method of the multi-medium heat exchanger, and relates to the technical field of heat exchangers. A pair of edge sealing plates are fixedly installed between the two ends of a pair of collecting pipes respectively to form a frame-shaped structure serving as a rack; the heat dissipation flow channel is fixedly installed in the frame-shaped structure, and a heat dissipation inner cavity in the heat dissipation flow channel is divided into a plurality of branch flow channels through a plurality of partition plates arranged in parallel. An adjusting bin and an adjusting mechanism are further arranged, an adjusting inner cavity in the adjusting bin is divided into two adjusting cavities through an adjusting block driven by the adjusting mechanism, and the opening degree of each adjusting cavity is adjusted by changing the number of the communicated sub-runners. The flow of the heat dissipation flow channel can be distributed to different media through the adjusting mechanism and the adjusting block according to actual needs, so that the medium channel has adjustability, the heat exchange capacity of the heat dissipation flow channel is fully utilized, the problem of excessive cooling or insufficient heat supply existing in a fixed flow channel in the prior art is solved, and the service life of the heat dissipation flow channel is prolonged. The overall heat exchange efficiency of the heat exchanger is effectively improved.

The utility model relates to the technical field of condenser overhauling, disclose a descaling device of power plant condenser, including rotating pipe and the mobile pipe that is connected with rotating pipe through swivel joint, the rear end of rotating pipe is installed with brush, and the outside of rotating pipe is close to the front end interlaced installation of brush with several nozzles, the outside of mobile pipe is installed with mobile subassembly, and the rear end of mobile pipe is close to the installation of motor no.

The present invention relates to the technical field of esterification reactions, and specifically to a reactor loading device using an esterification method, comprising an esterification reactor body, the end of which is fixedly connected to a reactor sealing upper cover plate. In the reactor loading device using the esterification method, after entering a circulating cooling chamber, cold water continuously overflows in a space formed by a staggered arrangement of a plurality of first baffles and a plurality of second baffles, so that the cold water is always in a flowing state, thereby achieving a cooling and condensing measure for high-temperature steam in the circulating cooling chamber. The condensed cold water and esterification products are transported to a condensate delivery pipe along with the air flow, and are then transported to a condensate collection bottle along the condensate delivery pipe for storage. The cold water in the condensate collection bottle passes through a filter, enters the reaction delivery pipe, and is transported to the condensation chamber, where it is recycled to cool the hot steam transported in the condensation chamber.

The present invention relates to the technical field of heat exchangers. The present invention discloses a volumetric heat exchange unit with a function of cleaning water scale, which includes a tank body and an inner cylinder. The linkage rotation mechanism includes an electric push rod, and the electric push rod is fixed at the top of the groove. A movable plate is fixed at the bottom of the electric push rod, and lifting hooks are symmetrically fixed on both sides of the lower end surface of the movable plate. A second sleeve is fixed on the outside of the lifting hook, and a fourth spring is fixed at the inner top of the second sleeve. A clamping block is fixed at the bottom of the fourth spring. A first clamping groove is opened at the top of the outer cylinder, and the clamping block is clamped and connected in the first clamping groove. In the volumetric heat exchange unit with the function of cleaning water scale, when water is introduced into the tank body, the water is only stored between the outer cylinder and the inner wall of the tank body, which is convenient to achieve the effect of saving water. The stirring rod rotates to drive the outer cylinder and the inner cylinder to rotate, and the cleaning brush can automatically clean the water scale on the surface of the heat exchange pipeline, avoiding the influence of water scale accumulation on the heat exchange efficiency.