783results about "Non-rotary device cleaning" patented technology

The invention relates to the technical field of plate heat exchangers, and provides a plate heat exchanger with a self-cleaning function, which comprises a bottom plate, a device frame fixedly mounted on the bottom plate, a heat exchange structure mounted on the device frame and used for heat exchange, a heat exchange pipeline set, a liquid storage tank, a cleaning assembly and a recovery assembly, the heat exchange pipeline set is installed on the device frame and comprises a cold fluid conveying assembly used for conveying cold fluid and a hot fluid conveying assembly used for conveying hot fluid, the liquid storage tank is fixedly installed on the bottom plate, cleaning fluid is stored in the liquid storage tank, and cleaning assemblies are installed on the cold fluid conveying assembly and the hot fluid conveying assembly correspondingly. The cold fluid conveying assembly and the hot fluid conveying assembly are each provided with a recovery assembly, and the technical problems that in the prior art, when the plate heat exchanger is cleaned, mechanical damage is likely to be caused to metal plates, then the service life of equipment is affected, and the operation and maintenance cost is increased are solved.

The multifunctional partitioned temperature control medical storage cabinet comprises a multifunctional medical temperature control cabinet, and a drying mechanism and a heat dissipation auxiliary mechanism are arranged in the multifunctional medical temperature control cabinet; according to the multifunctional partitioned temperature control medical storage cabinet, by arranging the drying mechanism, the heat dissipation auxiliary mechanism and the cleaning mechanism, the multiple improvement effect on the environment in the cabinet is achieved, firstly, a motor drives a lead screw to drive a support to move, a cleaning wiping plate can be periodically attached to the back face of the partitioned storage cabinet, condensate water formed due to temperature difference is cleaned and scraped, and the cleaning effect is improved; according to the drying device, local moisture accumulation caused by long-term adhesion of water drops is avoided, the mildew risk is reduced from the source, meanwhile, condensate water is extruded to flow into the water storage tank and is discharged through the drainage pipe, the internal humidity control capacity is further improved, and then the drying box is heated by the heating plate, so that drying agent particles continuously keep active; and the transmission plate drives the transmission ring and the transmission blades to rotate to stir the drying agent particles, so that moisture absorption is more uniform and efficient.

The invention discloses an energy-saving boiler, and relates to the technical field of boilers, the energy-saving boiler comprises a boiler body and a smoke exhaust pipeline mounted on the boiler body, the energy-saving boiler further comprises an air preheater mounted at the tail end of the smoke exhaust pipeline, and a pair of heat exchange pipe sets distributed in the smoke exhaust direction is mounted in the air preheater; the heat exchange tube set is composed of a plurality of heat exchange tube bundles, expanding parts and reducing parts which are alternately distributed along the axes of the heat exchange tube bundles are arranged on the heat exchange tube bundles, spiral flow deflectors and movable cleaning frames with upper and lower openings are arranged on the inner walls of the reducing parts, and the movable cleaning frames are movably installed in the heat exchange tube set and provided with through holes allowing the heat exchange tube bundles to penetrate through. Annular cleaning turbulent flow pieces corresponding to the heat exchange tube bundles are rotationally installed in the movable cleaning frame. By arranging the movable cleaning frame and a plurality of annular cleaning turbulent flow pieces in the movable cleaning frame, the outer wall of the heat exchange tube bundle can be continuously scraped in the moving process, and compared with a traditional soot blowing mode, the mechanical scraping mode is more thorough in soot cleaning.

The invention relates to the technical field of dry-type heat exchanger equipment, in particular to a dry-type heat exchanger assembly for a water chiller, which comprises a front shell and a rear shell which are detachably connected through bolts. A supporting frame is fixedly arranged in the rear shell, the supporting frame is connected with the inner wall of the rear side of the rear shell through four fixing rods, a coil pipe is erected, and the coil pipe is sleeved with a plurality of fins. A cleaning mechanism is arranged at the top of the rear shell, comprises a supporting block, a sliding block, a brush plate and a driving assembly and is used for automatically cleaning dust on the surfaces of the coil pipe and the fins. A ventilation hole is formed in the front side wall of the front shell, a fan is installed, a dust filtering mesh cover capable of being conveniently disassembled is arranged, a groove is formed in the rear side of the dust filtering mesh cover and slidably connected with the sealing strip in an inserted mode, and clamping grooves in the two sides are matched with a clamping mechanism to achieve rapid assembly and disassembly. Impurities are effectively intercepted through the dust filtering mesh cover and the clamping mechanism, and the pollution speed and the cleaning frequency of the heat exchange coil pipe are reduced; meanwhile, an automatic cleaning and blowing system is integrated, the cleaning efficiency is improved, and the heat exchange effect and the continuous operation reliability of equipment are guaranteed.

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 discloses a waste heat recovery heat pump with a heat storage device, and relates to the technical field of heat pumps, the waste heat recovery heat pump comprises a case, a waste heat recoverer is mounted in the case, a heat accumulator is arranged on the side surface of the waste heat recoverer, and a scrap scraper is mounted in the heat accumulator. According to the waste heat recovery heat pump with the heat storage device, the purposes of cleaning scale in real time and guiding water flow to increase the heat storage efficiency during use are achieved, the scrap scraper and the flow guiding component work cooperatively, the surfaces of related heat exchange components can be cleaned actively, scale attachment is reduced, the propeller can stir water flow, local water flow retention is avoided, and a scale layer is formed; the angle of the flow guide component can be flexibly adjusted, the flow guide component is matched with the flow dividing component to accurately adjust the flow direction and flow of a working medium, it is ensured that the working medium is evenly distributed in the heat exchange component, local overload or retention is avoided, and the non-return component avoids damage to circulation balance due to backflow of the working medium.

The invention discloses a power station air cooling island dry ice auxiliary cooling cleaning system and method, and belongs to the technical field of power station air cooling island cooling. The device is composed of a bimodal gas-solid two-phase flow nozzle, a flow field optimization nozzle support, a working medium supply unit and an intelligent control system. A dual-mode gas-solid two-phase flow nozzle is integrated on the flow field optimization nozzle support, an adjustable rotational flow generator is arranged in the nozzle, dry ice particles can be injected into the inner space of the air cooling unit, the environment temperature is reduced by means of the characteristic that dry ice sublimates to absorb heat, or the dry ice is directly injected to the outer surface of a heat dissipation pipe bundle to achieve efficient cleaning. The intelligent control system automatically switches a cooling mode and a cleaning mode and dynamically adjusts the rotational flow strength, the injection pressure and the dry ice particle size of the nozzle. The heat dissipating capacity of the air cooling island can be enhanced, and the heat dissipating tube bundle can be cleaned in a lossless mode.

The utility model discloses a heat energy converter with a self-cleaning function, which comprises a heat energy converter main body which is provided with a heat exchange pipe fitting through a heat exchange chamber inside the heat energy converter main body, a pure water storage and heating cavity for heating pure water to generate hot steam to heat a heat exchange pipe fitting is formed in the bottom end in the heat exchange chamber through a sealing partition plate, through cooperation of a micro pump body, a three-way valve and a cleaning filter, the pure water in the pure water storage and heating cavity can be conveniently and periodically filtered in a circulating mode, scale impurities are effectively removed, and the service life of the heat exchange pipe fitting is prolonged. The water scale is prevented from being accumulated and condensed in the cavity and on the heat exchange pipe fitting, and the problem that the water scale is condensed on the inner wall of the combustion heating chamber and the surface of the heating rod is solved, so that the service life of the heat energy converter is prolonged, and the maintenance cost is reduced.

The utility model relates to the field of heat exchange stations, and discloses a disassembly-free heat exchange station plate online cleaning device which comprises a bottom plate, wheels, a vertical plate and cleaning assemblies, the wheels are fixedly installed at the four corresponding corners of one face of the bottom plate, the face, away from the wheels, of the bottom plate is fixedly connected with one side of the vertical plate, and the cleaning assemblies are installed on the face, perpendicularly corresponding to the bottom plate, of the vertical plate. A push-aside structure is arranged in the vertical plate, an equidistant adjusting structure is arranged on the push-aside structure, a cleaning structure is arranged on the vertical plate, a disassembly-free design is adopted, the risk of equipment damage caused by disassembly operation is avoided, meanwhile, through accurate push-aside and cleaning operation, it is ensured that dirt on the surface of the heat dissipation plate and in gaps is thoroughly removed, and the service life of the heat dissipation plate is prolonged. And the normal operation and the service life of equipment are ensured.

The utility model relates to the technical field of waste heat utilization equipment, and discloses a waste heat utilization device of a flue gas heat exchanger, which comprises a flue gas heat exchanger casing, a connecting groove communicated with the inside of the flue gas heat exchanger casing is arranged on the outer surface of the flue gas heat exchanger casing, and a plurality of heat conduction pipes are fixedly sleeved on the flue gas heat exchanger casing. The surface of the front side of the flue gas heat exchanger shell is fixedly connected with a flue gas inlet communicated with the interior of the flue gas heat exchanger shell, a cleaning mechanism is arranged on the flue gas heat exchanger shell, and according to the waste heat utilization device of the flue gas heat exchanger, the scraping frame moves up and down to scrape the inner wall of the flue gas heat exchanger shell up and down, so that dust in the flue gas heat exchanger shell is cleaned; dust after cleaning falls out through the connecting groove, cleaning is convenient and fast, manpower is saved, resource waste is avoided, the utilization efficiency of smoke waste heat is guaranteed, the heating efficiency of the heat conduction pipe is guaranteed, and then the practicability of the device is guaranteed.

The invention discloses a sealed phase change heat exchanger structure for guiding liquid through a capillary wick, and belongs to the technical field of phase change heat exchangers, the sealed phase change heat exchanger structure comprises a machine body, a hot air pipe and a cold air pipe, the hot air pipe and the cold air pipe are installed on the two sides of the machine body in a sealed mode, heat pipes are connected to the inner ends of the hot air pipe and the cold air pipe in a sealed mode, and a row of cooling fins are correspondingly arranged on the side, close to the machine body, of a fan. And one row of radiating fins are arranged on the outer side surface of the machine body. According to the sealed phase change heat exchanger structure for guiding liquid through the capillary wick, the movable frames are arranged, the driving motor is started to drive the two rotating shafts to rotate through the two transmission belts at the same time, and then the two rotating shafts drive the two reciprocating lead screws through the two bevel gear sets at the same time to drive the two movable frames to move in a reciprocating mode; at the moment, a row of cleaning fins arranged on the inner sides of the two movable frames can conduct reciprocating movement cleaning on a row of cooling fins, and it can be avoided that external dust and impurities adhere to the surfaces of the cooling fins, and the later cooling efficiency is affected.

The present application relates to the field of asphalt mixing, especially to a drum-type asphalt mixing equipment flue gas waste heat recovery system. The drum-type asphalt mixing equipment flue gas waste heat recovery system comprises a flue gas pipeline, which is composed of a straight pipe part, a corrugated part and a connecting part, one corrugated part is fixedly connected to each end of the straight pipe part, and one connecting part is fixedly connected to the end of each of the two corrugated parts; a plurality of hollow rings are arranged, which are fixedly connected to the straight pipe part and are equidistantly distributed in the straight pipe part, and a solid ring is arranged between every two adjacent hollow rings; and an outer layer stepped heat exchange system is arranged on the plurality of hollow rings and the plurality of solid rings. The temperature of the hot water discharged from the infusion pipe is adjusted within a preset range, the recovered heat is distributed in steps, the demand for hot water of different temperatures in the actual use process is met through further adjustment, the adaptability and practicality are improved, and energy waste caused by cooling or heating after recovering heat is avoided.

The invention discloses waste heat resource recovery VOCs combustion purification treatment equipment, and belongs to the technical field of gas treatment.The waste heat resource recovery VOCs combustion purification treatment equipment comprises a mounting frame, three heat storage chambers used for alternately feeding gas, exhausting gas and cleaning ash are equidistantly mounted on the mounting frame, and combustion chambers communicated with one another are mounted among the top ends of the three heat storage chambers; according to the waste heat resource recovery VOCs combustion purification treatment equipment, an ash removal pipe is arranged, VOCs gas can be horizontally blown into an ash removal chamber, the VOCs gas flows through a cylindrical vibration column, the Karman vortex street effect is generated, the vibration column generates induced vibration in the vertical direction, and when the vibration column vibrates, a first telescopic air bag and a second telescopic air bag are driven to stretch out and draw back; and the second telescopic air bag can drive a cleaning brush to move when stretching out and drawing back, dust and impurities adhering to the bottom of the ceramic heat accumulator and the surface of the grid can be cleaned away when the cleaning brush moves, and the circulation effect of the ceramic heat accumulator on the VOCs gas is conveniently improved.

The invention discloses a transformer radiator self-cleaning anti-blocking system and method based on forward and reverse rotation switching. The system comprises a driving module, a cleaning execution module, a sensor module, a control module and an anti-blocking evaluation module. The driving module comprises a forward and reverse rotation motor and a transmission mechanism, and the forward and reverse rotation motor is connected to the cleaning execution module through the transmission mechanism. Through a forward and reverse rotation switching driving mechanism, the multi-mode cleaning unit is combined, the characteristics of different impurities can be dynamically adapted, efficient anti-blocking is achieved, the system adopts high-frequency vibration and airflow backflushing for large-particle impurities, adhesive impurities are subjected to the synergistic effect of hot air and micro-oscillation, cleaning thoroughness is improved, and meanwhile, the cleaning efficiency is improved. The self-adaptive control strategy adjusts cleaning parameters according to the blockage degree, energy consumption and abrasion are reduced, and the service life of equipment is prolonged. According to the method, the cleaning efficiency is improved, the maintenance cost is reduced, and stable operation of the transformer is ensured.

The invention relates to the technical field of waste heat recovery, in particular to an electric steam boiler smoke tube waste heat recycling device which comprises a pneumatic energy supply mechanism, an intermittent flow guide mechanism installed in the pneumatic energy supply mechanism, a heat recovery mechanism installed on the pneumatic energy supply mechanism and a face cleaning mechanism installed in the heat recovery mechanism. The pneumatic energy supply mechanism comprises an air pipe, two air inlet ends are installed on two ports in the top of the air pipe and used for guiding smoke to be input, and a transfer pipe is fixedly installed on the inner side of the air pipe. Flue gas of the electric steam boiler is transferred into the heat recovery mechanism through the double-flow-channel gas pipe, the flue gas is evenly transmitted into the four heat conduction pipes in a pressure dividing mode, and the large-area heat conduction pipes make full contact with condensate, so that efficient release of heat energy in the flue gas is improved, and the heat recovery efficiency of the electric steam boiler is improved. And finally, the acidic substances in the flue gas can be prevented from being in direct contact with the condensate water, so that the phenomenon that the condensate water is mixed with the acidic substances to corrode the flue gas pipe is avoided.

The invention belongs to the technical field of heat supply, and discloses a phase change heat storage device for a heat supply unit, which comprises a heating radiator. Through cooperation of the heat exchange assembly, the water supply assembly and other structures, the water supply assembly guides water to enter one end of the flow dividing cavity, the inclined face of the cleaning plate located at the upper end is impacted by water flow and descends, part of the water flow enters a gap between the cleaning plate and the flow dividing cavity through a notch in the edge of the cleaning plate at the lower end, and the water flow reversely flows; water pressure can drive the cleaning plate located at the lower end to ascend, hard objects rub the inner wall of the flow dividing cavity, most hard impurities can be broken and fall off, the impurities are discharged through the notch, the retention condition is prevented, sewage is stored in the water storage assembly, water entering the heating radiator is used for backwashing, the water does not contain too many impurities, and therefore the backwashing quality is ensured. The water storage assembly can prestore a part of water, water feeding and water discharging of the heating radiator are not affected too much, meanwhile, the purposes of cleaning and non-stop can be achieved, and the influence of the device on real life is reduced.

The invention relates to the technical field of cooling-water machines, in particular to an industrial water-cooled automatic cooling-water machine structure which comprises four liquid passing pipes, a cavity heat exchange structure is installed among the four liquid passing pipes, and liquid cavity structures which are transversely and longitudinally adjacent and alternately distributed are arranged in the cavity heat exchange structure. The four liquid passing pipes are installed in a transversely-distributed liquid cavity structure and a vertically-distributed liquid cavity structure of the cavity heat exchange structure in a communicating mode correspondingly, the front side and the rear side of the cavity heat exchange structure are each provided with a gas-liquid flow dividing structure capable of moving through power, and a high-pressure gas supply box is arranged on the upper side of the cavity heat exchange structure. The two gas-liquid diversion structures communicate with the transversely-distributed liquid cavity structure and the vertically-distributed liquid cavity structure of the cavity heat exchange structure through corresponding liquid passing pipes correspondingly. High-pressure air flow can be filled into the transversely-distributed liquid cavity structure and the vertically-distributed liquid cavity structure in the cavity heat exchange structure through the high-pressure air supply box and the liquid passing pipe, and impurities attached to the interior are separated when the air flow flows.

The invention discloses waste heat recycling equipment based on high-salt hazardous waste incineration flue gas purification treatment, and belongs to the technical field of high-salt hazardous waste flue gas waste heat. The waste heat recycling equipment specifically comprises a stacked barrel, a plurality of supporting frame bodies are arranged on the inclined face of the bottom of the stacked barrel, and slag discharging valves connected with the inclined face of the bottom of the stacked barrel are arranged in the supporting frame bodies in a sleeved mode; an air inlet valve is embedded in the center of the bottom end surface of the stacked cylinder; the design of triangular pipe primary heat exchange and staggered heat exchange is adopted, heat is fully recycled, temperature difference damage is reduced, in the aspect of purification, multi-stage impurity removal is achieved through air dissipation interception, grid filtration and component collaborative cleaning, the purification effect is improved, in the maintenance level, components are convenient to replace through a high-temperature filter residue box pull-out structure, and the maintenance cost is reduced. A ring plug scraping disc is matched with an adjusting valve for directional cleaning, the downtime is shortened, a main exchange mechanism and an auxiliary exchange mechanism can be independently adjusted and controlled, flexible and stable operation of equipment is guaranteed, and efficient recycling and long-term use are both considered.

The invention relates to the technical field of gas dust removal and purification, in particular to a dust removal and purification device for sesame processing gas emission, which comprises a box body, one side of the box body is provided with a gas inlet end, the upper side of the box body is provided with an exhaust port, and the upper side of a flow equalizing shell is fixedly provided with an exhaust filtering assembly. A circulating cooling assembly is fixedly mounted on one side of the flow equalizing shell; an electronic spray head is started through a controller, under the action of a reset spring, a driving rack is driven to move upwards through pulling force, the driving rack drives a movable plate to move upwards in a flow equalizing shell, an air inlet filter screen is driven to move upwards, a connecting rod is driven to rotate, and the connecting rod drives a cleaning plate to move upwards along the surface of a condensation pipe; an oil film generated by condensation on the surface of the condensation pipe is scraped, so that the surface of the condensation pipe is kept clean, and the problem of low condensation purification efficiency caused by the fact that grease is adhered to the surface of the condensation pipe to form the oil film and hinder heat transfer is prevented.

This utility model discloses an evaporative air cooler for chemical production, relating to the field of air cooler technology. It includes an air cooler housing, a fan cover fixedly installed on the top of the housing, a fan assembly fixedly installed on the top of the fan cover, a material inlet fixedly installed on one side of the housing, an evaporator plate fixedly installed at the bottom of the housing's inner cavity, a water tank fixedly connected to one side of the evaporator plate, and a heat exchange tube bundle fixedly installed inside the evaporator plate. This utility model utilizes a telescopic shaft to move the filter plate and surface dirt towards the fixed plate during its telescopic movement until the transfer pipe reaches a predetermined position with the fixed plate. Then, a movable push rod extends and retracts, driving a cleaning brush to perform a reciprocating sweeping motion on the filter plate surface, achieving convenient dirt removal and enhancing the device's anti-clogging performance, thus facilitating normal operation of the equipment after filtration.

The utility model relates to the technical field of steam generation, in particular to a heat storage steam generation device, which comprises an energy storage tank, a steam generator, a steam generator, a steam generator, a steam generator, a steam generator, a steam generator and an energy storage tank, the energy storage tank is internally provided with a partition plate, and the partition plate divides the interior of the energy storage tank into a heating chamber and an energy storage chamber; the electric heater is arranged in the heating chamber; the heat exchange assembly is fixedly connected with the inner wall of the energy storage tank; the heat exchange assembly comprises a heat exchange pipe arranged in the energy storage chamber. The moving structure is fixedly connected with the heat exchange tube and is used for moving the heat exchange tube; the two heat insulation structures are symmetrically arranged on the two sides of the energy storage tank and fixedly connected with the energy storage tank. By operating the moving structure, the moving structure can enable the heat exchange pipe to vertically move, so that the heat exchange pipe is separated from the molten salt, the heat exchange pipe and the molten salt are separated by utilizing the heat insulation structure, liquid in the heat exchange pipe is prevented from being heated in the molten salt melting process, and thus heat loss is avoided.

The utility model belongs to the field of heat exchange, particularly relates to a dust removal device of a heat exchanger for an auxiliary boiler, and provides the following scheme aiming at the problems that the existing dust removal device cannot be applied to a heat exchanger containing electronic components and is easy to pollute the environment: the dust removal device comprises a support cylinder; the telescopic rod is connected to the interior of the supporting cylinder in a sliding mode; the auxiliary boiler heat exchanger dust collection disc is hinged to the left end of the telescopic rod; the connecting ring is in bolted connection with the top of the surface of the supporting cylinder; the dust collection assembly comprises a connecting cover, a filter cartridge, a dust collection fan, a sealing cover and a dust collection pipe, the right side of the connecting cover is in threaded connection with the left side of the filter cartridge, and the surface of the filter cartridge is in bolted connection with the interior of the connecting ring. And airflow mixed with dust can be adsorbed and filtered by suction force on two sides of a dust collection disc of the boiler auxiliary machine heat exchanger.

This invention discloses a heat exchange device for silica slurry, including a heat exchange frame and a heat exchange module. An arc-shaped frame is fixedly installed on the top of the heat exchange frame, and a curved frame is fixedly installed on the bottom of the heat exchange frame. The arc-shaped frame has an inlet at its top, and the curved frame has an outlet at its bottom. The heat exchange module includes a heat exchange component, a rotating rod, a rotating plate, a hollow frame, a connecting rod, a rotating wheel, a connecting plate, a connecting spring, and an arc-shaped block. The heat exchange component is disposed inside the heat exchange frame. The rotating rod rotates through the rear side of the arc-shaped frame, and the rotating plate rotates clockwise to contact the slurry and strike any undispersed silica lumps in the slurry. The striking action forcibly disperses the slurry particles, avoiding heat exchange dead zones caused by uneven local concentration. This prevents localized overheating of the slurry due to differences in thermal conductivity caused by silica lumps, thus affecting the heat exchange effect. This invention has the characteristic of preventing uneven slurry concentration.

The invention relates to the technical field of cleaning agents, in particular to a method for cleaning a titanium tetrachloride preheater. According to the method for cleaning the titanium tetrachloride preheater, provided by the invention, the titanium tetrachloride preheater is regularly cleaned by adopting dry ice. Dry ice cleaning is a physical process, a cleaning medium is solid carbon dioxide and does not chemically react with equipment materials (such as Inconel 601 alloy) and residual titanium tetrachloride, the problem that corrosive hydrogen chloride gas is generated by traditional water washing is completely eradicated, and an equipment body is protected. Efficient and lossless cleaning of the titanium tetrachloride preheater can be achieved, and the titanium dioxide quality problem caused by falling of a carbon scale layer of the titanium tetrachloride preheater is thoroughly solved.

The utility model discloses a tower bottom reboiler for a redistillation tower of an MTBE (methyl tert-butyl ether) device, which relates to the technical field of reboilers and particularly comprises a shell, a collecting tank is arranged in the middle of the bottom of the shell, a cold fluid discharge pipe is arranged at one end of the collecting tank, and a cold fluid inlet pipe is arranged at the top end of an inner cavity of the shell. Nozzles are uniformly arranged at the bottom of the inner cavity of the cold fluid inlet pipe, and a gas exhaust pipe is arranged at the top of the inner cavity of the shell; a hot fluid inlet cavity and a hot fluid outlet cavity are formed in one end of the shell, a hot fluid inlet pipe is arranged on the outer side of the hot fluid inlet cavity, and a hot fluid outlet pipe is arranged on the outer side of the hot fluid outlet cavity. According to the tower bottom reboiler for the redistillation tower of the MTBE device, a cold fluid is in contact with the heat exchange pipe in a spraying mode, the heat transfer area of the cold fluid is increased, the product gasification speed is increased, the retention time of the cold fluid in the shell is shortened, and the scaling probability of the cold fluid on the heat exchange pipe is reduced; and moreover, the heat exchange tube can be washed in a spraying manner, so that the scaling probability of the heat exchange tube is further reduced.

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 utility model relates to the technical field of primary coolers, in particular to a descaling device for a primary cooler, which is characterized in that a backwashing water return valve is connected to a cooling water feeding pipe in parallel, a gas-water pulse flow feeding valve is connected to a cooling water return pipe in parallel, a gas-water mixing device, an ultrasonic flowmeter and a gas flowmeter are arranged at the tail end of the gas-water pulse flow feeding valve, and the gas-water mixing device is connected with the ultrasonic flowmeter and the gas flowmeter. The other end of the ultrasonic flowmeter is connected with a ball valve through a pipeline, the other side of the gas flowmeter is connected with a pressure stabilizing device through a pipeline, and the other end of the pressure stabilizing device is connected with an air compressor through a pipeline. The gas-water mixing device comprises a main pipe section, a backwashing water inlet interface, a backwashing gas inlet interface, a pressure sensor interface and a guide plate; the gas-water pulse flow water feeding valve and the backwashing water return valve are connected to the cooling water feeding pipe and the cooling water return pipe in parallel, so that the primary cooler pipeline is easier and more efficient to clean, the service life of the primary cooler is prolonged, and the effects of reducing cost and improving efficiency are achieved.

The water-cooled furnace cover assembly comprises a furnace cover body, the furnace cover body comprises a plurality of cooling coils, and the two ends of each cooling coil are the water inlet end and the water outlet end respectively; the two cold conveying assemblies are a cold inlet unit and a cold outlet unit respectively and each comprise a water pump, a main pipe and a branch pipe. The switching assembly comprises a driving unit and a switching piece, the switching piece is provided with two switching channels with the inner diameter being the same as that of the cooling coil pipe, and the cooling coil pipe and the two switching channels define a cooling pipeline; the cleaning balls are arranged in the cooling pipelines in a one-to-one correspondence mode and comprise ball bodies and cleaning pieces. According to the water-cooled furnace cover with the uniform cooling function, cooling water is driven to flow in the cooling coil through the two cold conveying assemblies, the cleaning ball moves along water flow along the cooling coil, a water film and scale on the inner wall of the cooling coil are damaged through the elastic cleaning piece, the flowability of water near the pipe wall is guaranteed, too large thermal resistance and local overheating are avoided, and cooling uniformity is guaranteed.

The invention relates to the technical field of waste heat recovery. The efficient energy-saving flue gas waste heat deep recovery boiler device comprises a base assembly, a cavity clamping and waste heat absorbing assembly and a top cleaning and waste heat driving assembly, and a boiler waste heat recovery hollow cavity is formed in the base assembly; the clamping and absorbing assembly comprises two sets of supporting and adjusting units and four annularly-distributed arc-shaped heat absorbing air bags and can be attached to the outer wall of the cavity in a self-adaptive mode. The top assembly achieves self-cleaning through the foldable rubber cleaning piece and the waste heat driving linkage mechanism. During working, the driving mechanism drives the air bag to be close to the cavity to strengthen heat absorption, flue gas waste heat drives the wind power propeller at the same time, and the cleaning piece slides up and down to remove accumulated dust. Double recovery of outer wall heat absorption and in-cavity waste heat reguiding is achieved, extra ash removal energy consumption is not needed, the device is suitable for cavities of different specifications, the problems that a traditional device is not thorough in recovery and tedious in maintenance are solved, and the energy utilization rate is increased.

The present invention relates to an installation and a method for hydroprocessing or hydroconversion using at least one tubular feed / effluent heat exchanger provided with inserts.