2922results 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 relates to the technical field of aluminum ash treatment, in particular to a non-contact cooling and settling tower for pyrogenic treatment of secondary aluminum ash and a cooling method, the non-contact cooling and settling tower comprises a cooling and settling tower body, and the cooling and settling tower body is internally provided with a snake-shaped cooling pipe of a layered structure; the feeding hole and the discharging hole are respectively formed in two sides of the cooling settling tower body; the mounting frame is mounted on the feeding hole in a sliding manner, and two groups of filter plates are detachably mounted on the mounting frame; the switching structure is arranged on the cooling settling tower body and is connected with the mounting frame, the switching assembly can enable the two groups of filter plates to be alternately matched with the feeding hole, so that when one group of filter plates is blocked by impurities, the switching structure can drive the other group of filter plates to be switched to an area matched with the feeding hole, and the other group of filter plates can be switched to an area matched with the feeding hole. Therefore, the impurity filtering effect of the filter plate is improved, the speed of the aluminum ash entering the cooling settling tower body is more constant, and the treatment capacity and effect of the cooling settling tower body are improved.

The utility model discloses an automatic cleaning plate heat exchanger which comprises a plurality of heat exchange plates which are sequentially arranged at intervals and further comprises a plurality of sets of cleaning mechanisms. The cleaning mechanism comprises a movable bracket, a cleaning piece and a driving piece; each cleaning piece is arranged in a gap between every two adjacent heat exchange plates; one end of the movable bracket is connected with a swing mechanism, and the other end of the movable bracket is rotationally connected with a mounted bearing through a rotating shaft; the driving piece is in driving connection with the swinging mechanism; the driving piece drives the swing mechanism to swing, the connecting rod rotates along with swing of the swing mechanism, the cleaning piece is driven to swing on the heat exchange plate in a reciprocating mode, and therefore impurities on the heat exchange plate are cleaned through friction and collision between the cleaning piece and the heat exchange plate, and the heat exchange plate can be cleaned without shutdown. And ash and impurity removal treatment can be carried out on the plate heat exchanger without manual work. And the requirement for manual cleaning is reduced, and the maintenance cost is reduced.

The invention discloses a steam waste heat recovery and cyclic utilization device for a periodic blowdown flash tank, and relates to the technical field of heat recovery, the steam waste heat recovery and cyclic utilization device comprises a tank body, the tank body is internally provided with a steam absorption assembly and a heat exchange assembly used for absorbing heat of high-temperature waste hot water and secondary steam; the heat exchange assembly comprises a mounting box, a plurality of horizontally-arranged heat exchange pipes are rotationally arranged in the mounting box, a plurality of buffer plate sets corresponding to the heat exchange pipes are arranged in the mounting box, and belt transmission mechanisms are arranged among the heat exchange pipes. According to the heat exchanger, the rotatable heat exchange pipes are arranged, scale removing scraping strips on the first flow guide plate are matched to automatically remove scale generated in the heat exchange process, and the problem that the heat exchange efficiency is reduced due to scale accumulation is effectively solved; and soft water formed after the bottom surface of the heat exchange pipe and secondary steam are subjected to heat exchange and condensation is collected into the liquid collecting tank, so that secondary utilization of water resources is realized.

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 utility model discloses a flue gas waste heat recovery device, which relates to the technical field of flue gas waste heat recovery and comprises a heat preservation tank, an upper water storage tank, a lower water storage tank and a water pipe. The upper water storage tank is rotatably mounted at the top of the heat preservation tank, the lower water storage tank is rotatably mounted at the bottom of the heat preservation tank, the upper water storage tank is communicated with the lower water storage tank through the water pipes, a plurality of slag inlets are formed in the top wall of the lower water storage tank, and the slag inlets are communicated with the lower water storage tank through the water pipes. A slag storage chamber is fixedly arranged in the lower water storage tank, the bottoms of the multiple water pipes all penetrate through the slag storage chamber to be communicated with the interior of the lower water storage tank, and the multiple water pipes are all sleeved with scraping sleeves used for cleaning the outer walls of the water pipes. Impurities in the flue gas can fall on the wall of the heat exchange tube after long-time use, and the interior of the heat exchange tube is convenient to clean, so that the heat exchange efficiency of the flue gas is influenced.

The invention relates to the technical field of heat exchangers, and discloses a coal-fired boiler fluoroplastic steel efficient heat exchanger which comprises a shell, a first cold flow pipe is fixedly connected to the upper circumferential face of the shell, a second cold flow pipe is fixedly connected to the lower circumferential face of the shell, and a support is fixedly connected to the lower circumferential face of the shell. A first sleeve shell is fixedly connected to the right side face of the shell, a first pipe box is fixedly connected to the right side face of the first sleeve shell, and a fixing plate is fixedly connected to the right side face of the first pipe box. The roller rotates to drive the rotating rod and the cleaning brush to rotate, the whole circumferential face of the cleaning brush can make contact with the inner wall of the heat exchange tube when the cleaning brush rotates, more smoke can be removed, and the cleaning effect is improved.

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 invention provides an anti-blocking industrial heat pump, and aims to solve the problems that when an existing water source heat pump works, an external water source generates scale in a plurality of condensation pipes in a condenser, the heat exchange efficiency is reduced, and the pumping energy consumption is increased, the anti-blocking industrial heat pump comprises the condenser, a water inlet pipe and a water outlet pipe are arranged at the two ends of the condenser respectively, a left side plate and a right side plate are fixedly installed at the two ends in the condenser respectively, a plurality of storage barrels are fixedly installed on the left side plate, and a plurality of condensation pipes are fixedly installed on the right side plate. The two servo motors switch the steering direction at intervals, so that the traction rope is driven to reciprocate left and right in the condensation pipe, the multiple scrapers and the spiral bristles are driven to reciprocate left and right in the condensation pipe, and the scrapers have the scraping effect on the inner wall of the condensation pipe in the moving process; loose dirt is further cleaned through reciprocating motion of the spiral bristles, and the function of cleaning the inner wall of the condenser pipeline is achieved.

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 corrosion-resistant and wear-resistant economizer comprises a water inlet pipe, a water outlet pipe and a heat exchange pipe, the water inlet pipe is connected with the water outlet pipe through the heat exchange pipe, a water inlet valve is installed on the water inlet pipe, a rotatable ash removal assembly is installed on the heat exchange pipe, and protruding reverse rotation protruding blocks are arranged on the side faces of the two ends of the heat exchange pipe correspondingly; the ash removal assembly comprises a supporting frame, three sets of brush plates arranged on the supporting frame and air scoops installed on the brush plates, and a preparation method of the corrosion-resistant and wear-resistant economizer comprises the following steps that firstly, materials are prepared; step 2, manufacturing and assembling components; step 3, integrally assembling and debugging; and a brush of the dust removal assembly can effectively remove dust and solid particles on the pipe wall. The reasonable design of the air scoop and the automatic reverse rotation function of the ash removal assembly ensure comprehensive cleaning of the pipe wall, the ash removal assembly automatically rotates and reversely rotates through waste gas blowing, and frequent manual operation is not needed for ash removal.

The invention discloses a biological bacterial fertilizer preparation pelletizer, and relates to the technical field of biological bacterial fertilizer pelletizers, the biological bacterial fertilizer preparation pelletizer comprises a machine body, one side of the machine body is provided with heat dissipation holes at equal intervals, the biological bacterial fertilizer preparation pelletizer further comprises a cleaning protection mechanism and an auxiliary heat dissipation mechanism, the auxiliary heat dissipation mechanism is driven by the cleaning protection mechanism, and the cleaning protection mechanism is used for cleaning the heat dissipation holes. The auxiliary heat dissipation mechanism is used for assisting heat dissipation of the machine body, through insertion of cleaning balls and air blown out of air holes of the cleaning balls, impurities on the outer sides of heat dissipation hole bodies can be effectively cleaned, meanwhile, impurities in the heat dissipation hole bodies and impurities entering the heat dissipation hole bodies under the action of external force can be cleaned, and the phenomenon that when a worker wipes the machine body, the heat dissipation hole bodies are damaged is avoided. The problem that dust particles are extruded by an external wiping tool, and generated extrusion force pushes part of impurities to penetrate through the heat dissipation hole bodies to enter the machine body is solved, the cleaning effect of the heat dissipation hole bodies is improved, the heat dissipation stability of the heat dissipation hole bodies is guaranteed, and then the stability of biological bacterial fertilizer granulation is improved.

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 relates to the technical field of gas separation, and particularly discloses a waste gas treatment device which comprises a shell, a gas inlet and a gas outlet are formed in the shell, a condensing part and a filtering part are arranged in the shell and are both in a conical barrel shape, and a gap is formed between the condensing part and the filtering part; a plurality of condensation plates are evenly arranged in the condensation part in the circumferential direction, the high ends and the low ends of every two condensation plates arranged at intervals are located on the same bus of the condensation part, a storage cavity is detachably formed in the small end of the condensation part, and a plurality of flow guide assemblies are arranged on the condensation part. A plurality of filtering units are arranged on the side wall of the filtering part, a cleaning assembly is further arranged on the filtering part and comprises a connecting part, a movable part and a cleaning part, the connecting part is fixed to the filtering part, a connecting groove is formed in the connecting part, the movable part and the cleaning part are both in sliding fit with the connecting groove, and the cleaning part is in sliding fit with the plate face of the condensation plate. The treatment device provided by the invention improves the separation effect of water vapor in the anesthetic waste gas.

The invention relates to a double-tube-plate heat exchanger which comprises a bottom frame and a shell fixedly arranged on the bottom frame, two tube plates are arranged in the shell, a plurality of heat exchange tubes are arranged between the two tube plates, and a tube pass fluid inlet, a tube pass fluid outlet, a shell pass fluid inlet and a shell pass fluid outlet are formed in the shell. A multifunctional sliding piece is arranged between the two tube plates in the shell, a sliding piece driving device is arranged outside the shell, a first sealing device is arranged between the shell and the tube plates, and a second sealing device is arranged between the tube plates and the heat exchange tubes. By arranging the multifunctional sliding sheets and the sliding sheet driving device, the outer walls of the heat exchange tubes can be cleaned on the premise that the tube plates are not detached, it is guaranteed that the interior of the heat exchanger is clean and free of impurities, when the heat exchange tubes are damaged, it can be accurately determined that one or more heat exchange tubes are damaged at a time, the damaged heat exchange tubes can be directly detached and replaced conveniently, and the heat exchange efficiency is improved. And the maintenance difficulty is greatly reduced.

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 utility model relates to the technical field of incinerator waste heat boilers, and discloses a structure of an incinerator waste heat boiler, which comprises a waste heat box, communication boxes are fixedly mounted in the middles of two sides of the waste heat box, and one end of the communication box positioned on one side is communicated with the top of an incinerator through a smoke pipe. Uniform water spray is continuously sprayed on the multiple sets of copper pipes through the water spraying disc, the high-temperature copper pipes can heat and vaporize water, high-temperature steam is generated and discharged from the steam pipe, meanwhile, after the waste heat box is used for a period of time, the motor can be driven to drive a screw in the self-cleaning mechanism to rotate, and the self-cleaning effect is achieved. The movable block in threaded connection with the screw can drive the multiple sets of cleaning cylinders to move on the copper pipe, scale attached to the copper pipe can be cleaned, the cleaned scale can be pushed into the recycling pipe along with movement of the cleaning brush, and the situation that the water heating efficiency of the copper pipe is greatly reduced and the waste heat recycling efficiency is reduced along with continuous increase of the scale is avoided.

The invention discloses a heat exchanger based on cyclopentane, and relates to the technical field related to heat exchangers. The heat exchanger comprises a heat exchanger body, fixing discs are arranged at the two ends in the heat exchanger body, a cleaning mechanism is arranged in the heat exchanger body and comprises heat exchange pipes arranged on the fixing discs, the heat exchange pipes are slidably connected to an upper baffle and a lower baffle, and the upper baffle and the lower baffle are provided with a first threaded rod and a second threaded rod correspondingly; a first cylinder cover is arranged at one end of the heat exchanger body and internally provided with a cooling chamber. By rotating the first threaded rod and the second threaded rod, the upper baffle and the lower baffle can be driven to scrape the inner wall of the heat exchanger body and the outer wall of the heat exchange pipe, dirt accumulated on the inner wall of the heat exchanger body and the outer wall of the heat exchange pipe is scraped away, and the dirt is prevented from adhering to the inner wall of the heat exchanger body and the outer wall of the heat exchange pipe; and the heat utilization rate of the heat exchanger main body is seriously influenced.

The invention discloses a double-working-condition solar heat pump air conditioning unit, and relates to the technical field of air conditioning units, the double-working-condition solar heat pump air conditioning unit comprises a solar panel and an air conditioning host, the outer wall of the air conditioning host is fixedly connected with condenser fins, and a spraying device is arranged above the condenser fins; through vertical movement of a first soft cloth roller and a second soft cloth roller, a spraying device is matched to spray water on the surfaces of condenser fins and a spraying device arranged in a second frame is matched to spray water on the surfaces of solar panels, and therefore dust on the surfaces of the condenser fins and dust on the surfaces of the solar panels are wiped and cleaned. The first soft cloth roller removes dust to keep condenser fins clean, so that the heat exchange efficiency is improved, the clean surfaces of the condenser fins are beneficial to maintaining smooth air circulation and reducing equipment energy consumption, the second soft cloth roller can remove dust and dirt in time, it is ensured that the solar panel receives sunlight to the maximum extent, and the power generation efficiency is improved. And meanwhile, the service life of the solar panel is prolonged.

The invention provides an air source heat pump unit with a dust removal function, and relates to the technical field of heat pumps, the air source heat pump unit comprises a heat pump rack, a heat pump mechanism facilitating low-temperature heat transfer is arranged on the heat pump rack, and a cleaning mechanism facilitating dust removal cleaning is arranged on the heat pump rack; the heat pump mechanism comprises an air inlet and outlet pipe, a compressor, a condenser, a central control machine and an evaporator. The cleaning mechanism comprises a driving power source, a lower fixing plate, a concentric-square-shaped frame, a dust collecting box, a C-shaped rod and an ash guide pipe. According to the device, the C-shaped rod is arranged to be matched with the cleaning brush, when fins on the evaporator are cleaned, the evaporator does not need to be manually cleaned after being dismounted, the dismounting of the evaporator from shutdown and dismounting to subsequent mounting and debugging consumes more manpower and material resources, the cleaning work can be rapidly completed through the cleaning brush on the C-shaped rod, and the cleaning efficiency is improved. The downtime is shortened, the production efficiency is improved, the evaporator does not need to be disassembled, and the labor consumption is reduced.

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 invention discloses a self-cleaning MVR (mechanical vapor recompression) evaporator which comprises a heat exchange shell, mounting discs which are spaced up and down are arranged in the heat exchange shell, and a plurality of heat exchange pipes which are distributed in the circumferential direction are connected between the two mounting discs; an upper cleaning assembly is arranged at the upper end of the heat exchange tube; a lower cleaning assembly is arranged at the lower end; the upper cleaning assembly comprises a first upper brush wheel, an upper driving rod, a valve body and a second upper brush wheel; the valve body penetrates through the first upper brush wheel in a sliding manner; an energy storage elastic piece is arranged between the valve body and the upper driving rod; the lower cleaning assembly comprises a first lower brush wheel, a lower driving rod, a reset spring and a second lower brush wheel. The reset spring is arranged between the first lower brush wheel and the second lower brush wheel; and therefore, scaling of the heat exchange tube is effectively delayed, the cleaning frequency of the evaporator is reduced, the production cost is reduced, and the production efficiency is improved.

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 discloses an efficient evaporative condenser which comprises a processing box, a sealing cover plate arranged in the processing box, an air outlet pipe, a filter screen arranged on the inner wall of the air outlet pipe, a transmission shaft, a driving motor arranged at the bottom of the transmission shaft and a belt arranged on the side wall of the transmission shaft. The fan blades are arranged on the side wall of the rotating rod. The invention relates to the technical field of evaporative condensers. When the evaporation condensation mechanism operates, scale on the side wall of a second condensation pipe can be rubbed into powder through cooperation of a first electric sliding rail, an annular sliding rail, a rotating ring, a trigger switch, an electric push rod and a friction disc, and the situation that too much scale is attached to the side wall of the second condensation pipe, and consequently the working efficiency is affected is avoided. And meanwhile, through cooperation of a driving motor, a transmission shaft, a belt, a rotating rod, a water spraying disc and an atomizing nozzle, water mist can be sprayed to the friction disc to lubricate the side wall of the second condensation pipe when the friction disc cleans the second condensation pipe, and the friction disc is prevented from abrading the side wall of the second condensation pipe.

A sludge lancing system for use in a steam generator including a no tube lane disposed between a first bank of tubes and a second bank of tubes that are transverse to a horizontal reference plane, having a rail that extends through the no tube lane and includes a longitudinal center axis that lies in a first plane that is parallel to the reference plane, and a first lancing head, having a body portion a conduit, a nozzle assembly that is mounted to the body portion and is pivotable with respect to the body portion about an axis of rotation, the nozzle assembly including a manifold defining a conduit that is in fluid communication with the conduit of the body portion, at least a first nozzle that is mounted to the manifold and defines a conduit that generates a lancing fluid jet, wherein the conduit of the first nozzle lies in a first plane that is transverse to the longitudinal center axis of the rail so that the lancing fluid jet of the first nozzle is disposed in the first plane when the manifold is pivoted about the axis of rotation.