385results about "Cleaning heat-transfer devices" patented technology

The invention relates to the technical field of heat exchangers, in particular to a tubular heat exchanger which comprises a shell, a scale dissolving assembly is mounted in the shell and comprises a push plate, a scale dissolving plate and a scale dissolving spring, and the push plate is slidably mounted in the shell; the scale dissolving plate is located on the side, away from the push plate, of the baffle plate. The push plate and the scale dissolving plate are each provided with a sliding hole allowing the tube bundle to penetrate through. The push plate is fixedly connected with the connecting column; the outer surface of the tube bundle is sleeved with a scale-dissolving spring, one end of the scale-dissolving spring is fixed to the push plate or the scale-dissolving plate, and the other end of the scale-dissolving spring is a free end. The push plate, the scale removing plate and the spring are ingeniously added in the shell, dirt on the inner surface of the shell and the outer surface of the tube bundle can be cleaned away through driving movement of the cleaning liquid, the heat exchanger does not need to be detached from a heat exchange system, and the heat exchange efficiency is improved. Dirt in the shell can be frequently removed only by controlling the flow of the condensate, the hot fluid and the cleaning fluid, so that the heat exchange efficiency of the outer surface of the tube bundle is guaranteed.

The invention discloses an air conditioner outdoor unit cleaning method, device and system and an air conditioner, and belongs to the field of air conditioner cleaning. The method comprises the following steps: firstly, acquiring the networking condition of the air conditioner, acquiring real-time weather when the air conditioner is always networked, then determining a smudginess value according to the real-time weather, and when the smudginess value is greater than or equal to a preset smudginess value, controlling an outdoor unit of the air conditioner to start self-cleaning and resetting the smudginess value. Under the networking condition, only the air quality and the air humidity need to be obtained through the network, the smudginess degree of the outdoor unit can be determined based on the air quality and the air humidity, then whether self-cleaning is started or not is determined, a sensor does not need to be additionally installed, it is guaranteed that the air conditioner outdoor unit can be cleaned in time, and meanwhile additional cost does not need to be increased.

The invention relates to the technical field of heat exchangers, and particularly discloses an efficient heat transfer device of a heat exchanger for a geothermal source heat pump, which comprises a heat exchanger shell, a water tank and a buried pipe, end covers are installed at the two ends of the heat exchanger shell, and heat exchange pipes are arranged in the heat exchanger shell. A cold source water inlet pipe and a cold source water outlet pipe are arranged on the outer wall of the heat exchanger shell; the water tank is arranged outside the heat exchanger shell; the buried pipe is buried in soil; a heat source water inlet pipe communicated with the buried pipe is arranged on the end cover at one end of the heat exchanger shell, and a heat source water outlet pipe communicated with the water tank is arranged on the outer wall of the end cover at the other end; a water conveying mechanism is further arranged outside the heat exchanger shell. A descaling mechanism is arranged in the heat exchanger shell; in the long-time working process of the heat exchange pipe, the outer wall of the heat exchange pipe is cleaned through the descaling mechanism, water scales on the outer wall of the heat exchange pipe are scraped off, and the heat exchange efficiency is improved.

The invention relates to the technical field of condensers, and discloses a high-efficiency heat exchange condenser system which comprises a mounting box and further comprises a fan arranged at the top of the mounting box, a plurality of heat exchange pipes fixedly connected into the mounting box, a plurality of spraying pipes and a plurality of water storage sleeves. The bottom of the transmission part is meshed with the stress wheel, one side of the stress wheel is attached to the transmission lead screw, the water storage sleeve is used for storing fluid, and the transmission part is impacted by fluid fluctuation, so that the multiple cleaning and scraping parts reciprocate outside the heat exchange pipe. The thickness of a water film formed by spraying water on the outer wall of the heat exchange pipe can be effectively limited through the water storage sleeve, dirt on the outer wall of the heat exchange pipe is treated through synchronous reciprocating movement of the multiple transmission lead screws, the cleanliness of the heat exchange pipe is guaranteed, the thickness of the pipe wall of the heat exchange pipe is uniform, the heat transfer efficiency of the heat exchange pipe is improved, and meanwhile the service life of the heat exchange pipe is prolonged. And the heat exchange effect of the fluid is improved.

The invention relates to the technical field of dust-containing gas heat exchange, and discloses a wide coal transformation gas-gas heat exchanger exchange treatment system which comprises a vertical heat exchange tower with a fluidized suspended bed composed of a large number of independent inert particles as a dynamic heat exchange medium, and a fluidized bed threatened instability early warning and self-healing unit is integrated; the unit applies high-pressure airflow pulse for intervention before the instability process by analyzing frequency spectrum characteristics of aerodynamic parameters, heat exchange and ash removal are decoupled on a physical mechanism, so that when the system treats high-dust-content gas, process interruption and heat energy loss caused by periodic ash removal in a traditional mode are avoided, and the stability of the system is improved. And the reliability and the operation continuity of the system in a complex industrial environment are improved in combination with the threatened instability early warning and self-healing capability of the system on the operation state.

The utility model discloses a descaling device of an alkali liquor condensation device, and mainly relates to indigo production. The descaling device is arranged on the outer wall of a heat exchange pipe of the heat exchange evaporation device, and a plurality of semicircular grooves are formed in the heat exchange pipe in an array mode. The descaling device comprises a negative pressure adsorption assembly and a plurality of descaling assemblies connected with the negative pressure adsorption assembly, and each descaling assembly is provided with a plurality of runner cavities; the negative pressure airflow generated by the negative pressure assembly sucks cigarette ash from the flow channel cavity, meanwhile, air flows through the narrow flow channel cavity at a high speed, and the negative pressure airflow rubs on the suction inlet of the flow channel cavity and the wall face to generate vibration. The device disclosed by the utility model has the beneficial effects that the device is used for removing scale generated on the surface of the heat exchange tube when the alkali liquor condensation device is used for concentrating alkali liquor and removing soot generated in the heat exchange part of the alkali liquor condensation device due to accumulation of flue gas, and the soot is adsorbed while the scale is removed; therefore, the influence of other factors on the heat exchange efficiency of the alkali liquor condensation device is reduced.

The utility model provides waste gas condensation treatment equipment based on a chemical tank area. The waste gas condensation treatment equipment comprises a shell, a cooling cylinder fixedly mounted in the shell and a worm gear pipe arranged in the cooling cylinder, one end of the worm gear pipe is fixedly connected with an air inlet pipe, and the other end of the worm gear pipe is connected with an air outlet pipe. After use, the air pump is started, air is input into the air inlet pipe through the air conveying pipe, so that water staying in the worm wheel pipe can be cleaned, when the air pump continuously conveys air into the air conveying pipe, after the air pressure reaches a certain range, the other end of the blocking plate is jacked to tilt, and therefore the air cylinder passes through; and the plugging plate can be driven to reset through the first spring and the second spring, the gas conveying pipe is plugged, and gas in the gas inlet pipe is prevented from entering the gas conveying pipe.

The invention relates to the technical field of heat exchange equipment, and discloses an environment-friendly self-cleaning plate heat exchanger which comprises fixed clamping plates, guide rods are installed at the upper ends and the lower ends of the interiors of the two fixed clamping plates correspondingly, a plurality of plate sheets are clamped on the inner sides of the guide rods, and the plate sheets and the fixed clamping plates are attached to each other; a cold outlet and a hot outlet are formed in one side of the outer wall of the fixed clamping plate, a cold inlet and a hot inlet are formed in the other side of the outer wall of the fixed clamping plate, and a self-cleaning mechanism is installed in the sheet bar and used for automatically cleaning an inner channel of the sheet bar. A bubble cleaning mechanism is mounted on one side of the outer wall of the fixed clamping plate and used for introducing carbon dioxide bubbles into the plate to complete cleaning. And tiny bubbles are released through the bubble cleaning mechanism, dirt on the inner wall of the plate is deeply cleaned through the adhesive force of the bubbles and the high-pressure impact force generated when the bubbles are broken, and the continuity and stability of production operation are improved.

To provide a cooling tower system that enables water saving by recovering evaporation water from a cooling tower and enables sound facility maintenance through water quality management.SOLUTION: A cooling tower 1 includes: a tower body 2 having a side surface with a louver 3, a top part with an exhaust fan 8 and a lower part with a lower water tank 4; a filler 5 that is disposed in the tower body 2 and to which water is poured from the upper side; and a controller 17 that controls a makeup water supply valve 15 on basis of detection electric conductivity from an electric conductivity sensor 16. Condensation water generated by a heat exchanger 22 for cooling exhaust gas from the exhaust fan 8 is used as makeup water.SELECTED DRAWING: Figure 1

The invention provides automatic flexible shaft propeller equipment for cleaning a heat exchanger pipeline. The automatic flexible shaft propeller equipment comprises a fixed support assembly and a flexible shaft conveying mechanism. The fixing support assembly comprises a horizontal moving part and a vertical rotating part, the flexible shaft conveying mechanism is installed on the horizontal moving part and can horizontally move on the horizontal moving part to adjust the position, and the end of the horizontal moving part is installed on the top of the vertical rotating part and can circumferentially rotate on the vertical rotating part to adjust the position. The bottom of the vertical rotating piece is detachably mounted in a mounting hole in the end part of the heat exchanger; the flexible shaft conveying mechanism comprises an installation shell, and two pairs of clamping conveying wheel assemblies are installed on the side wall of the installation shell and used for clamping a flexible shaft. The device solves the problem of on-site installation of the device and the heat exchanger, is convenient to transport, mount and dismount, can realize 360-degree rotary cleaning of a pipeline of the heat exchanger, can push the flexible shaft to advance and retreat by utilizing low voltage, improves the working efficiency, and has a good cleaning effect.

The invention discloses a sleeve type heat recovery heat exchanger for smoked ducks and capable of preventing heat dissipation, and relates to the technical field of smoked duck production. The sleeve type heat recovery heat exchanger for smoked ducks and capable of preventing heat dissipation comprises a heat exchange bin, an air inlet, an air outlet, a liquid inlet and a liquid outlet are formed in the side face of the heat exchange bin, and connecting hoses are assembled on the side face of the air inlet and the side face of the air outlet; a fixed bin is assembled on the side face of the heat exchange bin, and an impeller is rotationally connected into the fixed bin. According to the sleeve type heat recovery heat exchanger for preventing heat dissipation and used for smoked ducks, when heat exchange operation is carried out, fast flowing liquid can drive an impeller to rotate, and through cooperation of a fixed bin, the impeller, a first rotating rod, a first bevel gear, a second rotating rod, a second bevel gear, a first chain wheel, a chain, a first reciprocating lead screw, a second chain wheel and a first sliding plate, the heat exchange efficiency is improved; and the heat exchange sleeve reciprocates by a certain distance in the vertical direction, so that the heat exchange efficiency of the device is improved.

The invention relates to the field of phase change cold storage cabinets, and discloses a phase change cold storage cabinet for the tail end of a central air conditioner, which comprises a fan coil, and the fan coil is provided with a liquid inlet pipe and a liquid outlet pipe; a box body is arranged on the fan coil, a liquid inlet box is mounted on one side in the box body, a liquid discharge box is mounted on the other side in the box body, the liquid inlet box is communicated with a liquid inlet pipe through a communicating pipe, and the liquid discharge box is communicated with a liquid discharge pipe through an auxiliary communicating pipe and a circulating pump; a phase change material is arranged in the box body, the liquid inlet box and the liquid outlet box are communicated through a plurality of exchange pipes so as to achieve flowing of liquid and heat exchange, and a plurality of turbulent flow cleaning mechanisms are arranged in the exchange pipes. Through the turbulent flow cleaning mechanism and the magnetic component, the movable part moves in the pipe length direction under the magnetic action during water passing, the inner wall is scraped, the water flow direction is changed, and the heat exchange efficiency and the water temperature uniformity are improved. Meanwhile, the magnetic field enhances the activity of calcium and magnesium ions in water and reduces incrustation adhesion, the moving part moves back to clean the inner wall again when water is cut off, and the heat exchange effect is guaranteed.

The invention discloses a traveling heat exchanger using three-dimensional finned tubes, belongs to the technical field of heat exchangers, and provides the following scheme that the traveling heat exchanger comprises a shell, end sockets are detachably mounted at the two ends of the shell, and fixed tube plates are mounted at the two ends of the interior of the shell; a plurality of three-dimensional heat transfer tubes are jointly arranged in the two fixed tube plates, and a plurality of three-dimensional fin bodies are arranged on the outer walls of the three-dimensional heat transfer tubes; through the arrangement of the cleaning structure and the knocking structure, the knocking frame knocks the interior of the three-dimensional heat transfer pipe, so that stubborn scale stones in the three-dimensional heat transfer pipe are knocked, the scale stones can be conveniently cleaned by a cleaning scraper at the rear, loosening and falling of stubborn dirt are effectively promoted, and the service life of the three-dimensional heat transfer pipe is prolonged. Meanwhile, vibration waves generated by knocking can also be transmitted to the three-dimensional fin body, fine scale stones attached to the outer wall of the three-dimensional fin body can be naturally peeled off due to vibration, therefore, the effect of comprehensively and deeply cleaning the whole heat exchange surface is achieved, operation is convenient and fast, and the working efficiency is guaranteed.

A heat exchanger assembly (10) is proposed comprising: a heat exchanger (12) forming one or more electrically connected partitions (26) separating a first fluid (22) and a second fluid (24). The assembly (10) further comprises: a first electrical connector (14) and a second electrical connector (16) that are operationally connected to the partitions (26) of the heat exchanger (12) and an electrical power source (18) operationally connected to the first electrical connector (14) and the second electrical connector (16). The electrical power source (18) is configured to supply an electric current to the one or more partitions (26) of the heat exchanger (12) via the first electrical connector (14) and the second electrical connector (16).

The invention discloses a graphite heat exchanger dirt removing device which specifically comprises a base, a lifting column installed in the middle of the top of a circular plate body and made of a water absorption expansion polymer-mineral composite material, and a dirt removing device body installed on the top of the lifting column and made of a water absorption expansion polymer-mineral composite material. The dirt removing device comprises a protection plate, a heat dissipation air hole ring plate and a cleaning device, the heat dissipation air hole ring plate is installed on the sides, close to each other, of the disc plates and located on the outer side of the turbine motor, and the cleaning device is installed on the side, away from the double-disc plate, of the heat dissipation air hole ring plate. The invention relates to the technical field of graphite heat exchangers. The lifting column can be recovered after water absorption, expansion and dehydration, sustainable operation is formed, meanwhile, the lifting column absorbs water and expands to lift the dirt removing device, the graphite heat exchanger is prevented from making contact with sewage after cleaning is completed, and secondary pollution of the graphite heat exchanger is avoided.

The utility model discloses a condenser, which relates to the technical field of condensers and comprises a condenser main body, the upper end of the condenser main body is fixedly connected with a wrapping shell, the inner side of the wrapping shell is fixedly connected with an advancing mechanism, the lower end of the advancing mechanism is connected with a transverse moving mechanism, the lower end of the advancing mechanism is slidably connected with a power shell, and the power shell is in threaded connection with the transverse moving mechanism. The inner side of the power shell is fixedly connected with a cleaning motor, and the output end of the cleaning motor is fixedly connected with an infusion pipe. The cleaning device is reasonable in design structure, airflow can pass through the air inlet shell to reach the infusion pipe by starting the air blower, the airflow is blown out from the surface of the cleaning rod, and cleaned dust can be rapidly removed; and the cleaning rod rotates to clean dust on the cooling fins on the surface of the condenser body through a brush on the surface, the self-cleaning effect is achieved through the built-in brush and airflow cleaning, and the problem that the cooling fins are mixed with dust and need to be detached for cleaning is solved.

By accurately predicting the industrial aging process (IAP), such as the slow deactivation of catalysts in chemical plants, maintenance events can be scheduled further in advance, ensuring the cost - effectiveness and reliable operation of the plant. So far, these degradation progressions have typically been described by mechanical models or simple empirical prediction models. To accurately predict the IAP, data - driven models are proposed, comparing some traditional stateless models (linear and kernel ridge regression, and feed - forward neural networks) with more complex state - recursive neural networks (echo state network and long - short - term memory network). In addition, variants of the stateful models are discussed. In particular, stateful models that use mechanical pre - knowledge about the degradation dynamics (hybrid models). Stateful models and their variants may be more suitable for generating near - perfect predictions when trained on a sufficiently large dataset, while hybrid models may be more suitable for better generalization in the case of smaller datasets under changing conditions.

According to the deterioration diagnosis device of the water heat exchanger, under the condition that the differential pressure flow rate determined by the differential pressure flow rate determination part is larger than the capacity flow rate determined by the capacity flow rate determination part, a deterioration mode determination part determines that the deterioration mode of the water heat exchanger is a flow path blockage mode of blockage in a water conveying pipeline; when the actual temperature difference determined by the actual temperature difference determination unit is greater than the estimated temperature difference determined by the estimated temperature difference determination unit, it is determined that the deterioration mode of the water heat exchanger is a heat transfer resistance mode in which the heat transfer of the heat transfer unit is resistance.

To provide a cooling tower system that realizes water conservation by recovering evaporated water from a cooling tower and realizes sound facility maintenance by managing water quality. [Solution] A cooling tower 1 has a tower body 2 with louvers 3 on the sides, an exhaust fan 8 on the top, and a lower water tank 4 at the bottom, a filler 5 placed inside the tower body 2 onto which water is poured from above, and a controller 17 that controls a make-up water valve 15 based on the electrical conductivity detected by an electrical conductivity sensor 16. Condensed water generated by a heat exchanger 22 for cooling the exhaust air from the exhaust fan 8 is used as make-up water.

The invention discloses a hot dry rock underground heat storage and energy extraction device, and relates to the technical field of heat storage and energy extraction, the hot dry rock underground heat storage and energy extraction device comprises a heat exchange box, a heat exchanger is arranged in the heat exchange box, a guide rail and a fixing frame are arranged at the top of the heat exchange box, supporting frames are arranged on the guide rail, and a rotating disc is slidably arranged between the top ends of the two supporting frames; a sliding groove is formed in the rotating disc, a fixing block is arranged in the sliding groove, a sleeve is arranged on the fixing block, a heat exchange pipe is arranged in the sleeve, a communicating pipe is wound around the outer portion of the heat exchange pipe and located in the sleeve, and impurities in a high-temperature medium settle in the heat exchange pipe. The rotating disc rotates and switches the use state of the heat exchange tube, the scaled heat exchange tube is rotated to the cleaning position, the rotating disc type double-station design is matched with the cleaning mechanism, seamless switching between the working state and the cleaning state is achieved, the heat exchange efficiency of equipment is maintained, and the system can continuously operate in an efficient state.

The utility model relates to hydrogen fluoride production technical field discloses a pipeline descaling system for hydrogen fluoride production, include: evaporative cooling device has the accommodation cavity, fills with domestic water in the accommodation cavity, the cooling pipe inside fills with freon, first pipeline sets up the outside of evaporative cooling device, the import of first pipeline communicates with the below outside end surface of evaporative cooling device, and the export of first pipeline communicates with the outside end surface of the above of evaporative cooling device, first pipeline circulates domestic water through the drive part, and the parallelly connected setting of permanent magnet descaling device is in first pipeline, the utility model discloses through setting permanent magnet descaling device, utilizes the magnetic field effect, changes the scale layer crystallization form, makes it difficult to adhere to the pipe wall, the freon in cooling pipe can more efficiently carry out the cooling at this moment, and the heat exchange effect is high.

The invention relates to a combined condenser, and belongs to the technical field of condensers, the combined condenser comprises a bottom plate, two condenser bodies arranged at the top of the bottom plate and a butt joint mechanism arranged at the bottoms of the two condenser bodies, and cleaning mechanisms extending into the condenser bodies are arranged outside the condenser bodies. A liquid conveying structure is arranged outside the condenser body, and a discharging structure, an oscillating structure and a synchronizing structure which are used in linkage with the liquid conveying structure are arranged outside the cleaning mechanism. The cleaning mechanism comprises a double-shaft motor fixedly installed outside the condenser body, and a threaded rod is fixedly connected to an output shaft of the double-shaft motor. The combined condenser has the advantages of being efficient in cleaning, capable of automatically collecting impurities, high in adaptability, convenient to maintain and the like, and the problems that an existing condenser is poor in cleaning effect, residual corrosives are prone to accumulation, blockage or deposition is caused due to the fact that no collecting channel exists for the corrosives, and the maintenance cost is high are solved.

The invention provides a gas-fired boiler flue gas waste heat utilization device and method, and relates to the technical field of gas-fired boiler flue gas waste heat utilization, the gas-fired boiler flue gas waste heat utilization device comprises an outer cylinder, an inner cylinder, a heat exchange pipeline and a cleaning assembly, the outer cylinder is provided with a first flue gas outlet and a waste discharge port, and the inner cylinder is arranged in an inner cavity of the outer cylinder and provided with a flue gas inlet and a second flue gas outlet; the smoke inlet is suitable for being connected with a smoke exhaust pipeline of the gas-fired boiler; the heat exchange pipeline is arranged outside the inner cylinder, and the heat exchange pipeline is in contact with the inner cylinder and can generate heat transfer; the cleaning assembly comprises a driving part and a cleaning body, the driving part is in transmission connection with the cleaning body, the cleaning body and the heat exchange pipeline are both located in the cavity, the cleaning body is slidably connected with the side, away from the inner barrel, of the heat exchange pipeline, and the cleaning body comprises at least one of a cleaning brush and a high-pressure water spray head. Condensate water, dirt and the like attached to the heat exchange pipeline can be cleaned, so that the problem of low-temperature corrosion of flue gas to the wall surface of the heat exchange pipeline is solved, and the working performance of the heat exchange pipeline is guaranteed.

The application provides a boiler wastewater treatment device, and belongs to the field of boiler wastewater treatment devices.The boiler wastewater treatment device comprises a base, a plurality of stands are fixedly connected to the top of the base, an expansion tank is fixedly connected to the top of the stand, a first water inlet pipe and a first water outlet pipe are fixedly connected to the expansion tank, a group of stabilizing frames are fixedly connected to the top of the base, an adjusting tank is fixedly connected to the top of the stabilizing frame, a second water inlet pipe and a second water outlet pipe are fixedly connected to the adjusting tank, a protective cover is fixedly connected to the top of the base, and the boiler wastewater treatment device further comprises: a stirring assembly, which is arranged on the inner side of the protective cover and is used for mixing sewage in the adjusting tank; and a heat exchange assembly, which is arranged on the top of the adjusting tank and is used for recycling heat in the wastewater.The boiler wastewater treatment device can use high-temperature blowdown wastewater as a heat source to preheat low-temperature make-up water of a boiler, so that the heat that would be discarded is guided back to the boiler system, and the effect of energy saving and consumption reduction is achieved.

The present application relates to the field of electronic equipment heat dissipation, especially to a flue gas waste heat recovery system for oxygen-enriched combustion boiler, comprising a flue gas recovery tank, a heat exchange tank fixedly installed on the upper end of the flue gas recovery tank, a gear box fixedly installed on the upper end of the heat exchange tank, a jacket fixedly installed on the bottom of the heat exchange tank, the jacket being communicated with an external water pipe, the heat exchange tank being internally provided with a plurality of groups of double-layer jacket pipe heat exchange units, the inner wall of the heat exchange tank being fixedly installed with a partition plate one for sealing, the upper side of the partition plate one being provided with a partition plate two for blocking water flow, a water flow cavity being formed between the partition plate two and the partition plate one for concentrating heat source medium after heat exchange; the present application is provided with a plurality of groups of double-layer jacket pipe heat exchange units and gas collecting assemblies, the "diffusion effect" of the positive cone collecting cover is used to uniformly radiate and distribute the flue gas to each inner pipe, the fluid mechanics principle of "diffusion-stabilization-constriction" is used to realize natural flow equalization without internal guide vanes, the waste heat is used to preheat the working medium, and the cold end corrosion risk is eliminated.

The utility model discloses a descaling device for a high-temperature industrial waste heat central heating pipeline. The descaling device comprises a movable box body, a driving mechanism is arranged on the movable box body, a descaling mechanism is arranged at the front end of the movable box body, and a flushing mechanism is arranged at the rear end of the movable box body. A descaling agent box and a water tank are arranged in the movable box body, and a first high-pressure pump and a second high-pressure pump are further arranged in the movable box body; and an energy storage battery is arranged in the movable box body. According to the descaling device for the high-temperature industrial waste heat central heating pipeline, descaling water is sprayed to the inner wall of the pipeline through the high-pressure spray head at the front end, so that scale on the inner wall of the pipeline is softened, the rotary scraper and the rotary steel brush are matched for scrubbing and removing, dirt is effectively scraped off, finally, the pipeline subjected to descaling is washed, scale residues are avoided, and the service life of the pipeline is prolonged. And the descaling effect of the heat supply pipeline is improved.

The utility model relates to the technical field of heat recovery, and discloses an anti-blocking and odor-resistant structure of a waste heat recovery energy-saving device. The first pipe body is connected with the pot body; the first isolation assembly is arranged between the pot body and the first pipe body; a first blow-down valve is arranged between the second pipe body and the first pipe body; the first branch pipe is connected with the first pipe body; the wastewater tank is connected with the first branch pipe; the wastewater tank is provided with more than one evaporator; the second branch pipe is connected with the wastewater tank and the second pipe body; the third branch pipe is connected with the wastewater tank and the second branch pipe; the control system is used for receiving and outputting a control instruction; a first barrier net is arranged at the joint of the first pipe body and the first branch pipe, and a first cleaner is arranged in the first pipe body, faces the first barrier net and is used for washing and cleaning the first barrier net. According to the utility model, residues and foreign matters in the pipeline are effectively filtered, the problems of stinking and blocking of the residues and foreign matters are avoided, and centralized pollution discharge is realized.

The invention relates to the field of solar heat pump air conditioners, in particular to intelligent electricity storage equipment of a photovoltaic solar heat pump air conditioner, which comprises a heat storage box, a heat exchange tube and a cleaning mechanism, the cleaning mechanism comprises two first arc plates arranged in the heat storage box, and the two first arc plates can be spliced into a complete circular ring; the two first arc plates are located on the two sides of the heat exchange pipe correspondingly and can make contact with the heat exchange pipe, a driving mechanism used for driving the two first arc plates to slide along the heat exchange pipe is installed in the heat storage box, and a driving piece used for driving the two first arc plates to get close to each other is arranged in the heat storage box. The problem that the heat exchange effect of the heat exchange tube is affected is solved.

The invention discloses a closed-loop control method based on the cleaning condition of an air preheater and a cleaning device, and relates to the technical field of maintenance of air preheaters of coal-fired power plants. The invention provides a closed-loop control method and an online cleaning device to solve the problems that in the prior art, the cleaning condition of an air preheater cannot be monitored in real time, a closed-loop control method feedback mechanism is lacked, and the cleaning effect is difficult to comprehensively evaluate. According to the closed-loop control method, closed-loop management of cleaning condition monitoring, cleaning action control and economical efficiency evaluation is achieved by measuring key parameters of the air pre-heater, establishing a numerical simulation model, calculating key indexes such as a resistance coefficient and a heat exchange coefficient and combining dynamic wall temperature control and an air energy pulse cleaning technology. The on-line cleaning device adopts an arc-shaped mother pipe and an adaptive flow guide cover, and by optimizing airflow distribution and adjusting the position of the mother pipe, the purging coverage rate and the sweeping effect of heat exchange pieces are improved, efficient and stable operation of the air preheater is guaranteed, and the economical efficiency and the safety of the generator set are improved.