1921results about "Non-rotary device cleaning" patented technology

The invention discloses a horizontal shell and tube heat exchanger, which relates to the technical field of heat exchangers and comprises a shell, two sides of the shell are fixedly connected with a first tube box and a second tube box respectively, an inner cavity of the shell is provided with a plurality of baffle plates, each baffle plate is provided with a plurality of heat exchange tubes, and one side of each baffle plate is provided with a control assembly mounted in the second tube box. According to the horizontal shell and tube heat exchanger, the scraping ring can move left and right along with the movable rod, impurities on the outer wall of the heat exchange tube can be scraped away, in the long-term operation process of heat exchange equipment, various impurities are prone to being accumulated on the outer wall of the heat exchange tube, the impurities can reduce the heat exchange efficiency and increase the energy consumption of the equipment, and the scraping ring can slide to clean the heat exchange tube. The impurities can be effectively removed in time, the surface of the heat exchange pipe is kept clean, it is ensured that heat exchange equipment is in a good working state all the time, good heat exchange between a heat exchange medium and the heat exchange pipe can be ensured through the clean outer wall of the heat exchange pipe, heat resistance is reduced, and therefore the heat exchange efficiency is improved.

The invention discloses a chemical heat exchanger with energy-saving improved structural design, which comprises a heat exchange tank body, a connecting disc is fixedly mounted at the end part of the heat exchange tank body, a tank cover is arranged on one side, far away from the heat exchange tank body, of the connecting disc, and a processing assembly is arranged on the inner side of the tank cover. When the heat exchanger is used, dirt generated by liquid can adhere to the interior of the heat exchange tank body and needs to be cleaned, at the moment, a waterproof motor is started, a rotating rod fixedly installed at the output end of the waterproof motor starts to rotate, and a limiting ring fixedly installed at the end of the rotating rod drives a reciprocating lead screw to rotate along with the reciprocating lead screw; the rotating reciprocating lead screw drives the sleeve plate arranged on the outer wall of the reciprocating lead screw in a sleeving mode to move in a reciprocating mode, the sleeve plate drives the scraping ring to slide on the outer wall of the heat exchange pipe through the extrusion rod, and due to the fact that the scraping ring is attached to the outer wall of the heat exchange pipe to slide, dirt attached to the outer wall of the heat exchange pipe can be cleaned.

The invention belongs to the technical field of heat exchange, and particularly relates to a vertical heat exchanger which comprises a heat exchanger body, two tube plates are symmetrically and fixedly connected to the interior of the heat exchanger body, and the heat exchanger body is divided into a heat exchange cavity located in the middle and flow guide cavities located on the two sides by the two tube plates. A heat exchange assembly is arranged in each flow guide cavity, and the side walls, located on the two sides, of the flow guide cavities communicate with a hot end input pipe and a hot end output pipe correspondingly. By arranging the adjusting mechanism, when the temperature difference between the hot fluid and the cold fluid is large, the conveying rate of the hot fluid and the cold fluid is increased, so that the two kinds of fluid impact on the thermal boundary layer at the higher flow speed, and when the temperature difference between the hot fluid and the cold fluid is small, the conveying rate of the hot fluid and the cold fluid is reduced; the staying time of the two fluids in the heat exchanger is prolonged, so that the defect that the heat transfer rate is low due to small temperature difference is overcome, unnecessary energy consumption is reduced, and the purposes of saving energy and improving efficiency are achieved.

The invention discloses a boiler flue gas waste heat recovery device, and relates to the technical field of boilers. Comprising a base, a heat exchanger and a dust collecting box which are arranged on the base, and five groups of heat exchange tubes which are transversely arranged in the heat exchanger; the cleaning unit comprises a smoke exhaust pipe and a smoke guide pipe, the smoke exhaust pipe is arranged between the heat exchanger and the ash collecting box, the smoke guide pipe is arranged on one side of the heat exchanger, and the smoke exhaust pipe and the smoke guide pipe are both communicated with the heat exchange pipe. By arranging the transverse cleaning assembly and the vertical cleaning assembly, dirt in the heat exchange pipe and the communicating pipe can be effectively and automatically removed in time, the effect of centralized treatment of the cleaned dirt can be achieved through the blocking assembly, it is ensured that the device can stably operate for a long time, the service life of the device is prolonged, and the using effect is better; dirt on the inner wall of the heat exchange pipe is automatically cleaned, so that the heat exchange efficiency is kept, and heat resistance increase caused by scaling is prevented.

The present invention discloses an evaporator for an automobile air-conditioner, which relates to the technical field of automobile air-conditioning, and comprises a supporting outer frame and an evaporator body, wherein the evaporator body is fixedly connected to the interior of the supporting outer frame, and the internal top wall of the supporting outer frame is fixedly connected to two diversion boxes, and the outside of the diversion box is fixedly connected to a plurality of blocking and shrinking airbags, and the supporting outer frame is fixedly connected to the micro air pump, and the air outlet of the micro air pump is connected to an air supply hose. When the plurality of blocking and shrinking airbags continue to expand laterally, the evaporator body can be sealed in a separate space in cooperation with the supporting outer frame, so that the evaporator body is no longer in contact with the outside air when not in use, thereby reducing the phenomenon that dust in the outside air adheres to the louver fins of the evaporator body, and the plurality of blocking and shrinking airbags filled with gas are lighter in overall weight, thereby reducing the burden on vehicle operation.

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 utility model discloses a submerged arc furnace cooling water waste heat recycling device which comprises a recycling assembly, and the recycling assembly comprises a heat exchange shell, a partition plate, a heat exchange pipe, a driving motor, a threaded rod, a scraping plate, a second water inlet pipe, a second water pump, a liquid storage tank and a liquid inlet pipe. Two partition plates are symmetrically and fixedly connected to the inner side wall of the heat exchange shell, heat exchange pipes are evenly and fixedly connected between the two partition plates, two driving motors are symmetrically installed at the top of the heat exchange shell, and output shafts of the driving motors are fixedly connected with one ends of threaded rods. Cleaning liquid is stored in the liquid storage tank, after the waste heat recovery device works for a period of time, the cleaning liquid is fed into the heat exchange shell through the liquid inlet pipe, the threaded rod is driven by the driving motor to rotate, the scraper blade moves along the heat exchange pipe, scales on the heat exchange pipe are removed, the scales are prevented from hindering heat transfer, and the waste heat recovery efficiency is improved. Meanwhile, the water flow resistance is reduced, and the energy consumption of the waste heat recycling device is reduced.

The utility model discloses a heat exchanger tube bundle with adjustable baffle plate spacing, which comprises a tube plate, one side of the tube plate is provided with a plurality of heat exchange tubes, the plurality of heat exchange tubes are provided with baffle plates which are alternately distributed up and down at equal intervals, and the joints of the two sides of the baffle plates and the heat exchange tubes are provided with adjusting locking components. The baffle plate heat exchanger is provided with the threaded chucks, the locking nuts, the set screws and the screw holes, the distance between the baffle plates is adjusted by adjusting the locking assemblies, the distance between the baffle plates is convenient to adjust, and the heat exchange efficiency is improved by adjusting the distance between the baffle plates and increasing the flow speed.

A heatsink comprising a heat exchange device having a plurality of heat exchange elements each having a surface boundary with respect to a heat transfer fluid, having successive elements or regions having varying size scales. According to one embodiment, an accumulation of dust or particles on a surface of the heatsink is reduced by a removal mechanism. The mechanism can be thermal pyrolysis, vibration, blowing, etc. In the case of vibration, adverse effects on the system to be cooled may be minimized by an active or passive vibration suppression system.

The invention discloses an intelligent control method and system for preventing blockage of an air preheater, and the method comprises the steps: determining the flue gas flow difference data of the front and rear sides of the air preheater, evaluating the blockage condition of the air preheater to obtain a blockage evaluation value, and setting the initial working condition of a blowing device according to the blockage evaluation value; acquiring flue gas temperature data and flue gas flow data of the front side of the air preheater, and determining a flue gas temperature coefficient and a flue gas flow coefficient through analysis; and a regulation and control coefficient is determined based on the flue gas temperature coefficient and the flue gas flow coefficient, and after the initial working condition of the air blowing device is adjusted, the air blowing device is controlled to conduct anti-blocking air blowing on the air preheater. By monitoring the flue gas flow difference data in real time, analyzing the flue gas temperature and flow data and combining an intelligent algorithm and a control strategy, intelligent anti-blocking control over the air preheater can be achieved in time, stable operation of equipment is ensured, the service life of the equipment is prolonged, the maintenance cost is reduced, and the production efficiency is improved.

The utility model relates to the technical field of water tank radiators, and discloses an aluminum core water tank radiator which comprises a radiator body, a groove is formed in the top of the radiator body, a sealing cover is clamped in the groove, a water inlet pipe is fixedly installed on one side of the radiator body, a filtering assembly is arranged in the water inlet pipe, and a water outlet pipe is fixedly installed on the other side of the radiator body. A mounting pipe is fixedly mounted at one end of the water inlet pipe, a threaded groove is formed in the top of the mounting pipe, a penetrating bolt is in threaded connection with the interior of the threaded groove, supporting plates are fixedly mounted on the two sides of the surface of the radiator, and cleaning assemblies are arranged on the surfaces of the supporting plates. According to the aluminum core water tank radiator, through the arrangement of the water inlet pipe, the filtering assembly and the mounting pipe, in the using process, a pipeline is connected with the water inlet pipe through the mounting pipe, then water flow passing through the water inlet pipe is filtered by the filtering assembly, and the situation that the water inlet pipe is blocked by foreign matter in the water flow is reduced; the service life of the water inlet pipe is prolonged.

The invention relates to the technical field of waste heat recovery, and particularly discloses an efficient waste heat recovery system based on secondary lead smelting and a cascade using method thereof.The efficient waste heat recovery system comprises a smelting furnace, an air preheater, a cyclone dust collector, a box type dust collector, a waste heat boiler and a raw material drying machine which are sequentially connected; a vertical cylinder with the lower end extending out is concentrically fixed to the top of the heat preservation outer shell, a heat exchange rotor is rotationally arranged at the upper end of the vertical cylinder, the interior of the heat exchange rotor is evenly divided into a plurality of sealed fan-shaped spaces, the fan-shaped spaces are filled with phase change heat storage materials, and a plurality of sets of vertical tubes are arranged in each fan-shaped space. A plurality of groups of radial through heat exchange tubes are arranged in each fan-shaped space; according to the waste heat efficient recovery system and the waste heat cascade using method, on the premise that high-temperature flue gas waste heat is efficiently utilized, corrosion of high-temperature strong acid gas to the heat exchange pipes and the heat exchange media can be avoided, and the service life of the air preheater is guaranteed.

The utility model discloses air-cooled ultra-high temperature air conditioning equipment, which belongs to the technical field of air conditioning equipment and comprises a cabinet, a condenser is mounted on the inner bottom wall of the cabinet, a plurality of radiating fins are arranged outside the condenser, a motor is arranged outside the cabinet, and a first chain gear and a second chain gear are in transmission connection through a toothed chain. The inner side of the toothed chain is connected with a connecting rod, the outer surface of the connecting rod is connected with a brush, the outer surface of the brush is in sliding contact with one side of the heat dissipation fins, and power is provided for rotation of the rotating shaft through cooperation of the supporting rail, the brush, the toothed chain and the motor by using the motor as an original power source; after the rotating shaft rotates, the connecting rod is driven to move through transmission of the first chain gear, the second chain gear and the toothed chain, the connecting rod drives the brush to move, dust adhering to the surfaces of the cooling fins is cleaned away while the brush moves, and the cooling effect of the condenser is improved.

The invention relates to an efficient heat exchanger for petrochemical engineering, and relates to the technical field of heat exchangers. The device comprises a heat exchange shell, a corrosion inhibition box fixed to the heat exchange shell, a plurality of heat exchange pipes and two baffle plates which are rotationally arranged on the heat exchange shell, a processing mechanism for conducting scraping, brushing, fracture detection and marking on the heat exchange pipes correspondingly, and a rotating assembly for conducting rotating driving on the heat exchange pipes. The translation assembly is used for carrying out translation driving on the two baffle plates; the test assembly is used for carrying out deformation detection on the inner wall of the heat exchange shell; the corrosion inhibition box is used for storing a corrosion inhibitor, and a control assembly used for controlling the release amount of the corrosion inhibitor is arranged on the heat exchange shell. The purpose of heat exchange between the petroleum raw material and the heat medium can be achieved, the petroleum raw material can be guided to be evenly distributed in the tube pass, the phenomenon that the petroleum raw material forms laminar flow or uneven flow in the tube pass is avoided, heat stress caused by uneven heating of the heat exchange tube is prevented, and deformation and cracking of the heat exchange tube due to the heat stress are prevented.

The invention relates to the technical field of reaction kettles, and discloses a coil pipe type heating reaction kettle which comprises a tank body, a connecting seat is fixedly assembled at the top of the tank body, a driving motor is mounted at the top of the connecting seat, a power output shaft of the driving motor is fixedly sleeved with a stirring rod, and a heating assembly is mounted on the outer wall of the tank body; the heating assembly comprises a stainless steel coil pipe, and a left water outlet pipe penetrates through an inner cavity of the stainless steel coil pipe. The steel wire rope and the rubber scraper are arranged in the stainless steel coil pipe, the steel wire rope is pulled to move to drive the rubber scraper to move, at the moment, dirt on the inner wall of the stainless steel coil pipe can be scraped through movement of the rubber scraper, and the service life of the reaction kettle can be prolonged through regular scraping; the problems that dirt is left in a pipeline on an existing reaction kettle, the dirt is inconvenient to clean, heat conduction can be affected by long-time accumulation of the dirt, the material heating effect is poor, and a large amount of energy is consumed are solved.

The invention discloses an efficient condenser assembly, and relates to the technical field of condensers, the efficient condenser assembly comprises a self-adaptive adjusting mechanism and a wind scooper mounted on the back of the self-adaptive adjusting mechanism, a filtering mechanism is arranged on one side of the self-adaptive adjusting mechanism, and a cleaning water tank is arranged on one side of the top of the filtering mechanism; the self-adaptive adjusting mechanism comprises a condenser body, cooling fins are arranged in the condenser body, condensation pipes are fixedly installed in the cooling fins, a base is fixedly installed at the bottom of the condenser body, an air inlet and a liquid outlet are formed in one side of the base, and a water outlet is formed in the other side of the base. Heat dissipation frames are fixedly installed on the front face and the back face of the condenser body, when heat dissipation fan blades rotate to be horizontal, the heat dissipation fan blades are started, when the heat dissipation fan blades rotate to be horizontal, the heat dissipation fan blades are closed in a non-horizontal state, starting and closing of a heat dissipation fan can be automatically controlled according to the inlet amount of high-temperature gas, and therefore the effect of saving energy is achieved, meanwhile, continuous work of the heat dissipation fan is avoided, and the service life of the heat dissipation fan is prolonged. Therefore, the service life of the cooling fan is influenced.

The utility model discloses a medium-change gas deoxygenization water cooler, and belongs to the field of coolers, the medium-change gas deoxygenization water cooler comprises a shell, the bottom of the shell is provided with a fixing mechanism, one side of the fixing mechanism is provided with a height adjusting mechanism, the top of the height adjusting mechanism is provided with a filtering mechanism, and one side of the filtering mechanism is fixedly connected with a second water inlet pipe; a third water inlet pipe is fixedly connected to the side, away from the second water inlet pipe, of the filtering mechanism, a motor is fixed through a fixing block, then the output end of the motor rotates to drive a threaded rod to rotate, and then the threaded rod rotates to drive a scraper arranged on the surface of a heat exchange pipe in a sleeving mode to move to clean scale on the surface of the heat exchange pipe. According to the medium-temperature-change gas deoxygenization water cooler, the problem that when an existing medium-temperature-change gas deoxygenization water cooler cleans water scale on the surface of a heat exchange tube, the position of a brush cannot be moved, and the water scale still remains on the surface of the heat exchange tube after cleaning is solved, and practicability is improved.

The invention discloses a self-cleaning anti-blocking tubular heat exchanger, and relates to the technical field of heat exchangers, the self-cleaning anti-blocking tubular heat exchanger comprises a main body assembly, the main body assembly comprises a shell, a plurality of U-shaped tubes are arranged in the shell, and cleaning assemblies are arranged in the U-shaped tubes. According to the self-cleaning anti-blocking tube type heat exchanger, a winding traction rope, a first limiting block and a second limiting block are arranged on the two sides of cleaning scraping rings, the cleaning scraping rings and anti-blocking scraping rings are positioned, and therefore the multiple cleaning scraping rings can be stretched and unfolded, dirt on the inner wall of a U-shaped tube can be cleaned, and after cleaning is completed, the U-shaped tube is prevented from being blocked. When the U-shaped tube nest is cleaned, the connecting rope is wound, the anti-blocking scraping ring can be pulled, the multiple cleaning scraping rings are overlapped and collected together, the multiple cleaning scraping rings are collected in the collecting cover, influences on flowing of fluid in the U-shaped tube nest are avoided, the U-shaped tube nest does not need to be detached for cleaning in the cleaning process, and the situation that dirt in a bent tube of an existing U-shaped tube nest is difficult to automatically remove is avoided.

The invention discloses an efficient self-cleaning method for a heat exchanger of an air conditioner, relates to the technical field of efficient air conditioners, and designs the steps of multi-source data acquisition and residual dirt identification, residual cumulative effect prediction and formula optimization decision, directional deep cleaning, dynamic parameter control and the like according to the self-cleaning requirements of the heat exchanger of the air conditioner. Accurate positioning and grading of stubborn dirt are realized by utilizing data of multiple types of sensors; on the basis of machine learning or a nonlinear model, predicting an accumulative effect of residual dirt in subsequent operation, dynamically generating a cleaning formula and optimizing cleaning parameters; strengthening treatment is carried out on key parts through mechanical vibration, high-pressure ultrasound and real-time feedback control; and performing secondary detection on the cleaning effect, comparing the cleaning effect with a predicted value, and if the deviation is obvious, correcting the weight of the model to form a closed-loop self-learning lifting strategy. Damage to materials and energy waste caused by excessive cleaning can be effectively reduced, and long-term efficient operation of the heat exchanger can be kept in various complex scenes.

The utility model relates to the field of activated carbon tail gas treatment, and discloses an activated carbon tail gas waste heat utilization and collection device which comprises a water tank, a protective cover is arranged at the top end of the water tank, a driving motor is arranged at the top end of the protective cover, an exhaust pipe is spirally wound on the inner wall of the water tank, and a cleaning assembly is arranged on the inner wall of the protective cover. And the cleaning assembly comprises a gear ring, the outer side of the gear ring is fixedly connected to the inner wall of the protective cover, the inner side of the gear ring is meshed with three sets of first gears, and the top ends of the three sets of first gears are rotationally connected with a stabilizing plate. The water tank, the protective cover, the exhaust pipe and the cleaning assembly are used in cooperation, when the device works, water in the water tank is driven to be stirred through operation of the cleaning assembly, so that the heat energy transmission efficiency and the heating uniformity are improved, meanwhile, the inner wall of the water tank is scraped through the scraping plate, incrustation is prevented from being attached to the inner wall of the water tank, and the service life of the water tank is prolonged. The heat exchange efficiency of the device is maintained.

The invention relates to the technical field of heat exchange devices, and provides a metallurgical heat exchanger structure which is characterized in that the top ends of a heat exchange cylinder and a second cover bin fixedly communicate with a first transmission frame and a second transmission frame correspondingly, the outer sides of a plurality of heat exchange pipes are jointly provided with a flow blocking assembly, and an outer wall cleaning mechanism is arranged between the first transmission frame and the second transmission frame; and in the process that heat flow in the heat exchange pipe is discharged into the second cover bin, the outer wall cleaning mechanism can be driven, so that the flow blocking assembly can move left and right in a reciprocating mode through the outer wall cleaning mechanism, and then the outer wall of the heat exchange pipe and the inner wall of the heat exchange cylinder can be self-cleaned. An inner wall cleaning mechanism is arranged in each heat exchange tube, and the installation direction of the inner wall cleaning mechanism located in the heat exchange tube on the upper side of the partition plate is opposite to that of the inner wall cleaning mechanism located in the heat exchange tube on the lower side of the partition plate. And the inner wall of the heat exchange tube can be self-cleaned through the inner wall cleaning mechanism.

The utility model discloses a heat exchanger, which belongs to the technical field of heat exchange equipment and comprises a flow channel component, the flow channel component comprises a barrel and a baffle plate, and a shell pass inlet connecting pipe of the barrel is communicated with a main line pipe; the flushing pipe assembly comprises a main pipe and a tail end flushing mechanism, the main pipe is used for providing cleaning fluid needed by flushing for the tail end flushing mechanism, and the tail end flushing mechanism is arranged at the root flowing dead zone of the baffle plate and sprays the cleaning fluid conveyed by the main pipe out of the root flowing dead zone of the baffle plate; the heat exchanger can fully disturb shell pass fluid in a flowing dead zone at the root of the baffle plate, the impurity settling rate is reduced, the self-cleaning function of the heat exchanger in the operation process is achieved to a certain extent, and the equipment cleaning period is prolonged; the shell pass fluid stagnation at the root of the baffle plate is reduced, the heat exchange area of the heat exchange tube is fully utilized, the heat exchange dead zone is reduced, and the effective heat exchange capacity of the heat exchanger is enhanced.

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 invention discloses a carbon dioxide energy accumulator, and relates to the technical field of low-carbon and clean energy, the carbon dioxide energy accumulator comprises a heat exchange cylinder, a plurality of spoilers are arranged in the heat exchange cylinder, gaps are formed in the outer sides of the spoilers, and the positions of the gaps of every two adjacent spoilers are opposite; an adjusting assembly used for adjusting the distance between the spoilers is arranged in the heat exchange cylinder. The adjusting assembly and the multiple spoilers are arranged, due to the fact that the positions of the notches of every two adjacent spoilers are opposite, a heat exchange water source continuously flows in the heat exchange cylinder in an S shape, the adjusting assembly adjusts the distance between every two adjacent spoilers in the heat exchange cylinder, and therefore the flowing path of the heat exchange water source is controlled; therefore, under the condition that the power of the external water pump is not changed, the flowing time of the heat exchange water source in the heat exchange cylinder is changed, the energy consumption is reduced, and meanwhile the situation that low-temperature water stays in the heat exchange cylinder for a long time is prevented.

The invention discloses an industrial efficient heat insulation humidifying air cooler, and relates to the technical field of humidifying air cooling. Comprising a supporting frame with a side baffle mounted on one side, a plurality of mounting supports are mounted on the two sides of the supporting frame, a plurality of cooling mechanisms are fixedly connected to one sides of the mounting supports, a heat exchange component and a pre-cooling component are arranged in each cooling mechanism, and one end of each heat exchange component is fixedly connected with a first heat exchange pipeline and a second heat exchange pipeline; a plurality of cooling fins are fixedly connected into the heat exchange component, and a plurality of atomization nozzles are fixedly connected into the pre-cooling component. Air is humidified and cooled through liquid evaporation, then low-temperature air passes through a heat exchange component, a plurality of heat dissipation fins are compactly installed in the heat exchange component in a parallel mode or in a compact mode at an included angle, a cooling medium is discharged and fed from one side of a pipeline, and the space between the fins and the number of pipe rows are designed to be optimal wind resistance. The device is more suitable for large chemical equipment, can save water by 80%-90%, and is suitable for being applied to northwest arid and water-deficient areas.

The utility model relates to the technical field of calcining furnaces, in particular to a calcining furnace with a furnace gas waste heat recovery function, which comprises a calcining furnace main body, and the top end of the calcining furnace main body is communicated with a gas guide pipe; the recycling mechanism capable of quickly recycling the waste heat of the furnace gas is arranged on one side of the gas guide pipe; by arranging the recycling mechanism, the first heat exchange pipe is spirally arranged on the inner wall of the heat exchange cylinder, the second heat exchange pipe is spirally arranged on the outer wall of the first heat exchange pipe, the first heat exchange pipe and the second heat exchange pipe are matched, the contact area between the heat exchange pipes and furnace gas can be increased, and the waste heat recycling efficiency of the heat exchange pipes is improved; the heat gathering plate between the two heat exchange pipes can gather heat in the furnace gas, the recovery effect of the device can be improved through cooperation with the two heat exchange pipes, the heat insulation plate on the outer wall of the heat exchange barrel can conduct heat insulation and heat preservation on the heat exchange barrel, the baffle can slow down the conveying speed of the furnace gas, the waste heat of the furnace gas can be efficiently recovered, and the recovery efficiency of the device is improved. The recovery efficiency of the device is improved.

The invention relates to the technical field of heat exchangers, and provides a sulfide production heat exchanger which comprises a shell, end covers are fixedly connected to the two ends of the shell, an outer liquid outlet pipe is fixedly connected to the upper portion of the left end cover, an outer liquid inlet pipe is fixedly connected to the lower portion of the right end cover, and a driving motor is fixedly installed on the right side of the right end cover. An output shaft of the driving motor is fixedly connected with a transmission shaft, the middle of the transmission shaft is in threaded connection with a threaded sleeve, the curved surface of the threaded sleeve is fixedly connected with a moving plate, a plurality of scraping rings are fixedly installed in the moving plate, a stirring mechanism is installed on the right side of the threaded sleeve, and a scraping plate is fixedly installed at the left end of the transmission shaft. According to the technical scheme, the problems that the overall heat transfer performance of the heat exchanger becomes poor, the stability and efficiency of the technological process are affected and it is difficult to ensure that heat can be evenly transferred from a hot medium to a cold medium due to the fact that existing dissolved substances are separated out and deposited on the pipeline wall and thermal resistance is increased along with the increase of the thickness of a scaling layer are solved.

The invention discloses a steel plant high-temperature flue gas waste heat recovery system and method, and relates to the technical field of waste heat recovery, the steel plant high-temperature flue gas waste heat recovery system comprises a spiral conveyor, a flue gas pipeline and a waste heat recovery furnace, a main flue on process equipment in a steel plant is connected into a flue gas inlet of the waste heat recovery furnace through the flue gas pipeline, and a plurality of snakelike heating pipes are evenly distributed in the waste heat recovery furnace; one end of the snakelike heating pipe is connected with a water inlet pipe, the other end of the snakelike heating pipe is connected with a water outlet pipe, a plurality of ash discharge hoppers are arranged at the bottom of the waste heat recovery furnace, spiral conveyors are arranged at the bottoms of the ash discharge hoppers, a cleaning mechanism is arranged in the waste heat recovery furnace, and a smoke outlet of the waste heat recovery furnace is connected to next process equipment through a smoke exhaust pipeline. According to the system, the surfaces of the two sides of the S-shaped heating pipe can be cleaned, meanwhile, the knocking head of the knocking assembly can knock the inner wall of the waste heat recovery furnace, soot attached to the inner wall falls into the ash discharging hopper, automatic and comprehensive cleaning of heat exchange equipment is achieved, and the cleanliness of the surfaces of the heat exchange equipment is guaranteed.

The invention discloses an all-welded heat exchanger convenient to maintain and a maintenance method thereof, and belongs to the technical field of heat exchangers. An all-welded heat exchanger convenient to maintain comprises an installation box used for refrigerant circulation and further comprises a heat exchange pipe fixedly installed in the installation box, a top pipe opening of the heat exchange pipe extends to the position above the installation box, and a bottom pipe opening of the heat exchange pipe extends to the position below the installation box. The two sides of the mounting box are fixedly connected with a liquid inlet pipe and a liquid outlet pipe correspondingly, and the inner diameter of the heat exchange pipe is not smaller than 100 MM; the inner diameter of the heat exchange pipe is set to be not smaller than 100 MM, compared with a traditional heat exchanger pipeline, the diameter of the pipeline is increased, the cleaning and maintaining difficulty is reduced, the increased inner diameter of the pipeline is matched with the conical ring, the pressure of airflow passing through the heat exchange pipe is increased, meanwhile, the contact area of the airflow and the heat exchange pipeline is increased, and the heat exchange efficiency is improved. Therefore, the heat exchange effect of the airflow and the heat exchange medium is improved.

The invention discloses a fire grate ash removal structure for a biomass boiler, and relates to the technical field of pipeline cleaning, the fire grate ash removal structure comprises a boiler structure, the boiler structure comprises a boiler body, a combustion furnace, a rotary chamber and a flow dividing chamber, and a plurality of first heat exchange pipes and a plurality of second heat exchange pipes are fixedly connected between the rotary chamber and the flow dividing chamber; a first blocking frame is fixedly connected between the flow dividing chamber and the inner wall of the boiler body, a pipeline dredging structure is arranged between the rotary chamber and the flow dividing chamber, a plurality of first heat exchange pipes and a plurality of second heat exchange pipes are fixedly connected between the rotary chamber and the flow dividing chamber, and a second blocking frame is fixedly connected between the flow dividing chamber and the inner wall of the boiler body. A pipeline dredging structure is arranged between the rotary chamber and the flow dividing chamber, a transmission assembly and a back-flushing cleaning assembly are installed in the boiler body, and dust and impurities attached to the interiors of the second heat exchange pipes can be rapidly cleaned.