913results about "Flush cleaning" patented technology

The invention relates to the technical field of sludge treatment, in particular to a sludge heat drying treatment system which comprises a drying machine used for drying sludge entering the drying machine and generating mixed gas; the metal sintering filter is used for carrying out dust removal treatment on the sludge dry dust in the mixed gas from the drying machine; the plate heat exchanger is used for carrying out heat exchange condensation treatment on water vapor in the mixed gas subjected to dust removal treatment by the metal sintering filter and discharging condensed wastewater generated by condensation; the gas-liquid separator is used for carrying out gas-liquid separation treatment on non-condensable gas in the mixed gas subjected to heat exchange and condensation treatment by the plate heat exchanger; and the negative pressure fan is connected to the downstream of the gas-liquid separator and used for enabling the mixed gas generated by the drying machine to sequentially flow through the metal sintering filter, the plate heat exchanger and the gas-liquid separator and then be conveyed to an air feeder opening. By using the system, blocking of condensing equipment and water accumulation of an air supply pipeline caused by sludge dry dust which is not completely removed during steam condensation can be effectively avoided.

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 invention belongs to the technical field of closed cooling towers, and discloses a countercurrent closed cooling tower and a cooling method.The countercurrent closed cooling tower comprises a tower body, a draught fan is fixedly connected to the top of the tower body, an air inlet is formed in the side wall of the bottom of the tower body, a water collecting tank is formed in the bottom of the tower body, and a pair of coil pipes is fixedly connected to the middle of the tower body; through cooperation of structures such as an annular shell, an annular spraying pipe and a concave panel, the possibility that scale is generated by the coil pipe is reduced, the heat exchange effect can be improved, during heat exchange, water in a collecting groove of the annular spraying pipe moving in a reciprocating mode is pumped and pressurized, the surface of the coil pipe is scoured in an annular mode, and the scale forming risk is reduced; and meanwhile, the sliding columns continuously extrude the wave-shaped grooves, so that the whole annular shell rotates in a reciprocating mode, close-distance washing can be more uniform, and therefore the heat exchange effect and durability of the coil pipe are efficiently improved.

The invention provides a pipeline cleaning system which comprises a support unit, a cleaning agent spraying unit, a dry ice spraying unit and a high-pressure gas unit, a plurality of moving units are arranged on the support unit, and the moving units are suitable for moving in a pipeline; the cleaning agent spraying unit is arranged on the support unit and comprises a first feeding assembly and a plurality of first nozzles, and the first feeding assembly is connected with the first nozzles and is suitable for conveying a cleaning agent to the first nozzles; the dry ice spraying unit is arranged on the support unit and comprises a second feeding assembly and a plurality of second nozzles, and the second feeding assembly is connected with the second nozzles and suitable for conveying dry ice to the second nozzles; the high-pressure gas unit is arranged on the support unit and communicates with the cleaning agent spraying unit and the dry ice spraying unit so as to be suitable for conveying high-pressure gas. The cleaning method combining cleaning agent cleaning and dry ice cleaning is adopted, rapid stripping and deep removal of pollutants on the inner wall of the pipeline can be achieved, and the safety of the pipeline in the cleaning process is improved while the cleaning effect is improved.

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 relates to a waste heat recovery device, in particular to a waste heat recovery device for a high-temperature reaction furnace. Comprising a tank body, an air outlet pipe, an air inlet pipe, a drainage pipe, a rotating pipe, a fixed pipe, a water inlet pipe, a water storage cavity, a rotating body, a heat exchange pipe assembly, a cleaning mechanism and a collecting assembly, the right side of the tank body is sequentially connected with the air outlet pipe and the air inlet pipe from bottom to top, the fixed pipe penetrates through the middle of the top end of the tank body, and the bottom end of the fixed pipe is rotationally connected with the rotating pipe; a water inlet pipe is connected to the front side of the tank body; a water storage cavity is connected to the lower side of the interior of the tank body; a rotating body is rotationally connected to the water storage cavity; a heat exchange pipe assembly is connected to the rotating body; by arranging the rotatable heat exchange pipe assembly, automatic rotation of the heat exchange pipe assembly is achieved, and the overall heat exchange efficiency is improved.

The invention discloses a marine energy-saving variable air volume indirect type air conditioner, and relates to the technical field of air conditioning systems, the marine energy-saving variable air volume indirect type air conditioner comprises an air conditioner assembly, the air conditioner assembly comprises an air conditioner shell, one side of the air conditioner shell is fixedly communicated with a fresh air pipeline, and an air return opening is formed in the position, close to one side, of the top of the air conditioner shell. According to the marine energy-saving variable-air-volume indirect type air conditioner, by starting a multi-stage electric push rod, a piston plate is driven to extrude a citric acid solution forwards into a return air inlet pipeline and a fresh air inlet pipeline, in the air inlet process, the citric acid solution can enter the heat exchanger body in air flow, descaling is conducted on the pipeline in the heat exchanger body, and the heat exchange efficiency is improved. Citric acid has good chelation ability and can generate chelation reaction with ions such as calcium and magnesium in incrustation to form a water-soluble complex, so that the purpose of removing the incrustation is achieved, and the citric acid has low corrosivity to stainless steel due to weak acidity.

The device comprises a connecting box body, a heat exchange plate spacing adjustable structure and a swing flushing structure are arranged in the box body, the end face of the box body is connected with a water pump, the side wall of the box body is connected with a controller, a water outlet pipe is arranged at the bottom of the box body, and the water pump and two motors are electrically connected with the controller. The heat exchange plate spacing adjustable structure drives a lead screw, a sliding block, a pull rod and the like to perform transmission through a driving motor, so that the movable heat exchange plates are clamped or uniformly separated; the swing flushing structure drives a gear to transmit through a rotating motor, so that a cleaning nozzle swings back and forth between heat exchange plates and cooperates with a water pump to spray water for flushing. The method comprises the steps that the driving motor is controlled to separate the heat exchange plates, the rotating motor is started to drive the nozzles to swing, the water pump is started to wash the plugs, and finally the driving motor clamps the heat exchange plates for sealing. Spacing adjustment and automatic cleaning are achieved without disassembly, the problems that an existing device is tedious in operation and wastes time and labor are solved, the heat exchange efficiency and use convenience are improved, waste heat is effectively recycled, and energy waste is reduced.

The invention discloses an air cooler device based on dual-mode finned tubes, and relates to the technical field of heat exchange, the air cooler device comprises an air cooling box, horizontal finned tubes and a circulating fan, gathering hoppers are arranged on the two side faces of the air cooling box, and the circulating fan is fixedly arranged at one end of one gathering hopper. The circulating fan is arranged on the side face of the air cooler, the spraying assembly is arranged on the top of the air cooler, so that the whole air cooler has a spraying mode and an air cooling mode at the same time, the circulating fan is arranged on the side face of the air cooler, the spraying assembly is arranged on the top of the air cooler, and the air cooler has the air cooling mode and the spraying mode at the same time; cooling modes can be intelligently switched according to different working conditions, air cooling is adopted under conventional conditions to reduce energy consumption, cooling is accelerated through spraying under high-temperature or high-load working conditions, and cooling efficiency is improved; and meanwhile, spraying can assist in cleaning the surfaces of the fins, dust accumulation is reduced, the service life of equipment is prolonged, and the energy-saving performance, adaptability and reliability of the air cooler are integrally improved.

Provided in the present invention are a system and method for inhibiting operational corrosion of a condenser. The system comprises a chemical dispensing system. The chemical dispensing system comprises a chemical stock solution tank used for containing a hydrogen peroxide stock solution, a desalted water tank, a chemical dispensing tank in communication with the desalted water tank, and a chemical sample intake system, wherein the upper surface of the chemical dispensing tank is provided with a chemical inlet, and the chemical dispensing tank is provided with a chemical concentration measurement instrument; a chemical pool in communication with the chemical stock solution tank, a cleaning pool in communication with the desalted water tank, and a waste water pool are provided on the upper surface of the chemical dispensing tank; the chemical sample intake system comprises a chemical sample intake device; and the chemical concentration measurement instrument is electrically connected to both the chemical sample intake system and a second control valve for desalted water. In the system for inhibiting operational corrosion of a condenser provided in the present invention, using the chemical sample intake device to achieve micro-dose chemical intake improves the control precision of the amount of a chemical sample and the control precision of chemical concentration; and the chemical sample intake device performs cleaning and chemical rinsing before each instance of chemical acquisition, thereby ensuring the concentration of a chemical conveyed into the chemical dispensing tank, and preventing the introduction of other impurities into the chemical dispensing tank.

The utility model provides a compact heat exchange device of a gas water heater, which belongs to the technical field of heat energy conversion, mainly aims at solving the problem that the traditional compact heat exchange device is inconvenient to clean, and adopts the following technical scheme that the compact heat exchange device comprises a heat exchanger body arranged in a combustion chamber, a plurality of groups of through grooves and a plurality of groups of smoke exhaust holes are formed in the top of the heat exchanger body, a pipeline cleaning assembly is arranged on the heat exchanger body, the pipeline cleaning assembly comprises a heat exchange pipe, and the heat exchange pipe penetrates through the plurality of groups of through grooves and is longitudinally arranged in the heat exchanger body in a penetrating manner; a water valve assembly is arranged on the pipeline cleaning assembly and comprises a cleaning pump, and the heat exchange pipe is connected with the cleaning pump through the pipeline cleaning assembly; through the arrangement of the pipeline cleaning assembly and the water valve assembly, a cleaning agent can be pressed into the pipeline from the cleaning pump, then the water valve assembly is started to wash the cleaning agent, and the problem that a traditional heat exchange device is inconvenient to clean is solved through the cleaning mode that pipeline disassembly and assembly are not needed.

The invention relates to the technical field of evaporative condensers, and discloses a scaling inhibition type evaporative condenser which comprises a shell, adjustable air valves are arranged on the two sides of the shell, two partition plates are fixed in the shell, a water baffle is fixed to each partition plate, and a gap is formed between the two water baffles. The top end of each water baffle is provided with an opening, dry coil pipe condensers are installed on the two partition plates, a wet coil pipe condenser is arranged between the two water baffles and installed on the support, a first water collector, a second water collector and a spraying pipe set are installed in the shell, and the spraying pipe set is located above the wet coil pipe condenser. The dry coil condenser and the wet coil condenser are arranged, a high-risk temperature area is separated, the dry coil condenser is used for reducing the temperature of a refrigerant firstly, then the refrigerant enters the wet coil condenser, the temperature of the refrigerant is reduced to 40-45 DEG C at the moment, and scale is easy to clean.

The invention discloses cleaning equipment for a power transformer radiator. The cleaning equipment comprises a bearing unit, a mechanical arm unit, a cleaning unit and a controller. The bearing unit comprises a fixing assembly, a first moving frame and a second moving frame, and the fixing assembly is arranged close to the radiator; the first moving frame is movably arranged on the fixing assembly in the first direction. The second moving frame is movably arranged on the first moving frame in the second direction; the mechanical arm unit is rotatably arranged on the second moving frame; the cleaning unit comprises a cleaning main body and at least two nozzles, and the cleaning main body is rotatably arranged at the tail end arm section of the mechanical arm unit; the at least two nozzles are rotatably arranged on the cleaning main body so as to be suitable for spraying cleaning media on the two sides of the cooling fins; the controller is used for controlling the bearing unit, the mechanical arm unit and the cleaning unit to operate. According to the device, automatic comprehensive cleaning of the radiator can be achieved, the cleaning efficiency and the cleaning effect are remarkably improved, and the safety of the cleaning process is improved.

The utility model discloses a high-efficiency heat exchange device of a pure waste water system, and relates to the technical field of heat exchangers, the high-efficiency heat exchange device comprises a box body, heat exchange pipes and joint cavities, a plurality of heat exchange pipes are arranged in the box body, the joint cavities are arranged at the two ends of the box body, the corresponding joint cavities are communicated with the ends of the heat exchange pipes, and the joint cavities are further connected with corresponding water inlet / outlet pipes. The cleaning device is characterized in that a cleaning agent inflow assembly and a cleaning agent outflow assembly are arranged in connector cavities in the two ends of the box body respectively; the cleaning agent inflow assembly and the cleaning agent outflow assembly are respectively in driving connection with the corresponding action driving mechanisms; and the action driving mechanism can enable the cleaning agent inflow assembly, the heat exchange tube and the cleaning agent outflow assembly to be connected or disconnected. The heat exchange tube to be cleaned is switched under the condition that the heat exchange process is not affected, deposition of microorganisms and / or dirt in the heat exchange tube caused by a waste water heat medium is avoided, and the heat exchanger does not need to be disassembled frequently.

The utility model discloses a special actuating mechanism for heat exchanger shell pass cleaning, which relates to the technical field of heat exchanger cleaning and comprises a support, a fixed seat and a movable seat are respectively connected inside the support, the top and the bottom of the movable seat are respectively connected with a second anti-slip line and a pointer, and two-way screw rods penetrate through two sides of the top of the support. Through the arrangement of the fixed seat, the movable seat, the two-way screw rod, the clamping plates, the first anti-skid lines and the second anti-skid lines, when the position of the movable seat needs to be adjusted, only the two-way screw rod needs to be rotated to enable the two clamping plates to be far away from each other, so that the first anti-skid lines are separated from the second anti-skid lines, and clamping and limiting of the movable seat are finished at the moment; therefore, a worker can conveniently adjust the position of the movable seat; after adjustment is completed, the worker rotates the two-way lead screw reversely to enable the two clamping plates to be close to each other, and therefore the first anti-skid lines are attached to the second anti-skid lines; and the distance between the multiple spray pipes can be conveniently adjusted, so that heat exchangers with different row pipe distances can be adapted.

The utility model belongs to the technical field of heat exchanger cleaning, and discloses a heat exchanger cleaning device which comprises a box body, a circulating system and an acidity meter, acid liquid is contained in the box body, the circulating system is connected with the box body and a heat exchanger and can enable the acid liquid in the box body to enter the heat exchanger in a circulating mode, and the acidity meter comprises a probe and a display screen. The probe is arranged in the box body and used for detecting the concentration of the acid liquid in the box body, and the display screen is used for displaying the real-time acid concentration of the acid liquid. According to the heat exchanger cleaning device provided by the utility model, the acid liquid is used for circularly cleaning the heat exchanger, so that the heat exchanger is prevented from being disassembled and assembled, and the working difficulty of workers is reduced; it is ensured that the acid liquid can chemically react with scale every time the acid liquid enters and exits the heat exchanger, effective cleaning is achieved every time the acid liquid enters and exits the heat exchanger, and the cleaning efficiency of the heat exchanger is effectively improved.

The utility model discloses an evaporator and a pickling facility low-corrosion treatment device thereof. A concentrated acid tank, a first connecting pipe, a diluted acid tank and a second connecting pipe are used for a pickling process and can also be used for alkali neutralization, water washing and blow-drying. After pickling is completed, the acid storage tank can neutralize residual acid, the pipeline is neutralized by alkali and / or flushed by neutralizing liquid, and under the condition that the pump body design is saved, waste acid discharged by pickling of the evaporator can be returned to the tank for treatment, so that environmental acid pollution is avoided; the reduction evaporator and pickling equipment thereof can be further washed and blown off, so that the corrosion risk is greatly reduced; the service life of a tank pipeline is prolonged by more than 50%, the overhaul cost is reduced, the leakage condition is reduced, and the safety coefficient is improved.

The invention discloses a preparation method of a micro-nano composite structure wick of a titanium water ultrathin plane heat pipe, and belongs to the field of plane heat pipe wick. The invention aims to solve the problem of hydrophobicity of a planar heat pipe wick micron structure. On the basis of a rolling forming method, a regular micron-sized wick microstructure is manufactured; and then a hydrophilic nano structure is prepared on the surface of the microstructure through a strong alkali solution hydrothermal method, and the wick of the micro-nano composite structure capable of achieving bubble nucleation density increase and strong capillary action at the same time is manufactured. The micron-level wick is obtained through rolling, so that the capillary force of the heat pipe and the machining efficiency of the microstructure are greatly improved. Meanwhile, the titanium dioxide nanotubes are obtained in a strong alkali solution through a hydrothermal method, and the hydrophilicity of the wick is improved. Therefore, the wick of the ultrathin planar heat pipe can be stably and effectively prepared.

The utility model relates to the technical field of backwashing of spiral-plate heat exchangers, in particular to a backwashing device of a spiral-plate heat exchanger, which comprises a backwashing pipe and a feeding assembly, the backwashing pipe is used for communicating with a discharge pipe, and the feeding assembly communicates with the discharge pipe and is located on a liquid inlet path of the backwashing pipe. When the spiral-plate heat exchanger needs to be subjected to backwashing, a worker firstly installs a backwashing pipe on the discharging pipe, then adds cleaning powder into the feeding assembly, after the cleaning powder is accumulated in the feeding assembly, the worker injects clean water into the backwashing pipe, the clean water enters each spiral channel through the discharging pipe, and the spiral-plate heat exchanger is subjected to backwashing. And finally, the water flows out through each feeding pipe, so that the backwashing of the spiral channel is realized. And in the flowing process of the clear water, the clear water passes through the feeding assembly, so that the powder for cleaning in the feeding assembly is melted in the clear water, and the oil dirt impurities in the spiral channel are removed.

The utility model belongs to the technical field of flushing devices, and particularly relates to an indirect cooling tower flushing device convenient to install, which comprises a vertical frame and a movable frame, the movable frame is provided with rotatable supporting wheels, the movable frame is hinged with an installation frame, the movable frame is provided with a driving mechanism, and the installation frame is driven by the driving mechanism to rotate; a water spraying pipe is detachably connected to the mounting frame; the movable vehicle frame is provided with a limiting wheel assembly, the limiting wheel assembly comprises two limiting frames and a positive and negative lead screw, the two limiting frames are oppositely arranged, limiting wheels are rotationally connected to the two limiting frames, the positive and negative lead screw is rotationally connected with the movable vehicle frame, and the two limiting frames are in threaded connection with the positive and negative lead screw; relative movement of the two limiting frames can be achieved by rotating the positive and negative lead screws, so that the two limiting wheels move relative to each other and are matched with the supporting wheels, connection between the movable frame and the vertical frame can be completed, and each limiting wheel does not need to be installed independently.

The utility model discloses cooling equipment capable of being cleaned on line, which comprises a machine body, a water inlet pipe, a water outlet pipe, a first cleaning pipe, a second cleaning pipe, a plurality of first three-way valves, a plurality of second three-way valves and a plurality of groups of tubular heat exchangers, the other end of each tubular heat exchanger is connected with a second three-way valve, each first three-way valve is further connected with a water inlet pipe and a first cleaning pipe, and each second three-way valve is further connected with a water outlet pipe and a second cleaning pipe. The three-way valves are arranged at the two ends of the tubular heat exchanger, so that the tubular heat exchanger can be switched at any time during cleaning and using, cleaning of the tubular heat exchanger is achieved, the cooling equipment can be cleaned without stopping the whole machine, normal operation of the cooling equipment is well guaranteed, cleaning is convenient and fast, cleaning can be conducted without professional cleaning personnel, and cleaning efficiency is improved. And the labor cost can be reduced.

The invention discloses an annular track device for flushing equipment of an indirect cooling tower, which is used for accommodating and moving a hose and a cable required by the flushing equipment and comprises a drag chain and a groove box, the drag chain can be folded to form a first drag chain part, a second drag chain part and a bent drag chain part connected between the first drag chain part and the second drag chain part, the first drag chain part, the second drag chain part and the bent drag chain part are arranged in the horizontal direction, and the groove box is in a circular ring shape and used for containing the drag chain. An outer annular groove and an inner annular groove which are concentrically arranged are formed in the groove box, the first drag chain part is contained in the outer annular groove, and the second drag chain part is contained in the inner annular groove. The problem that the drag chain falls off due to transverse deviation and vibration in the running process can be solved.

The utility model relates to the technical field of heating and ventilation pipeline internal cleaning equipment, disclose a kind of scale cleaning equipment in heating and ventilation pipeline inside, including base, it is characterized in that, the upper side of base is fixedly connected with load-bearing support, the upper side of load-bearing support is sequentially head-tail rotationally connected with multiple snake bone joints, each snake bone joint includes thimble and two pull rods, two pull rods are fixedly connected to the lower side of thimble respectively, and two pull rods are symmetrically distributed, two sides outside each thimble are respectively provided with limiting slot, the utility model can make the snake bone structure of multiple thimble groups make various space swing angles by servo motor pulling steel wire rope, turning, obstacle-crossing ability is stronger, so that high-pressure water gun assembly can shuttle in any heating and ventilation pipeline scene containing tee branch, can all be responsible for the work of cleaning pipeline internal scale.

The invention relates to the technical field of air cooling tower cleaning, and discloses a thermal power plant direct air cooling tower intelligent gas-water combined cleaning device which comprises a stable bottom plate, an angle iron support is fixedly installed on the upper surface of the stable bottom plate, and a supporting stand column is fixedly installed on the upper surface of the stable bottom plate; a horizontal sliding device is arranged on the upper surface of the angle iron support and the upper surface of the supporting stand column, and a trapezoidal inclined frame is fixedly installed on the upper surface of the horizontal sliding device. According to the intelligent gas-water combined cleaning device for the direct air cooling tower of the thermal power plant, a first gear motor drives a knurl wheel through a chain to drive a trapezoidal inclined frame to move in the horizontal direction along the upper surface of a C-shaped steel rail, all-directional cleaning coverage of different positions of the air cooling tower is achieved, and the flexibility and comprehensiveness of cleaning are greatly improved; the cleaning position does not need to be manually and frequently adjusted, the labor intensity is reduced, the cleaning efficiency is improved, and the use convenience of people is effectively improved.

The invention discloses a waterproof structure and a coal yard washing trolley. The waterproof structure comprises an inserting ring, and protruding parts protruding outwards are arranged on the surfaces of the upper side and the lower side of the inserting ring; the outer sealing elastic piece and the inner sealing elastic piece are arranged on the upper surface and the lower surface of the inserting ring in an attached mode respectively; wherein the top of the inserting ring is arranged in a herringbone shape or inclines in a one-way mode, and the surfaces of the sides, opposite to the inserting ring, of the outer sealing elastic piece and the inner sealing elastic piece are provided with a first concave part and a second concave part which are matched with the protruding parts respectively. The waterproof structure, the coal yard washing trolley, the water guide flow channel, the sinking surface, the groove and the like form a multi-layer liquid temporary storage structure, the function of liquid-to-liquid sealing is achieved, when the amount of external liquid is too large, the system can automatically slow down the water inflow rate, self-blocking is achieved, multi-stage structure sealing is matched with gravity guiding, and the sealing effect is good. And the water flow can be quickly discharged downwards along the inclined surface.

The invention provides a heat exchanger on-line cleaning and anti-scaling system and method.The system comprises a gas-liquid two-phase generating device, a filtering device, a monitoring device and a controller, the gas-liquid two-phase generating device comprises a gas-liquid mixing tank and a Venturi tube, the gas-liquid mixing tank is connected with a gas storage tank and a cleaning agent metering pump, and the Venturi tube is connected with the gas storage tank; an outlet of the gas-liquid mixing tank is sequentially connected with the main control valve, the pulse generator and the Venturi tube; an outlet of the Venturi tube is communicated to an inlet of the heat exchanger; the filtering device comprises a plurality of filters arranged in parallel, inlets of the filters are communicated to an outlet of the heat exchanger, and outlets of the filters are communicated to the cleaning agent storage tank; the monitoring device is used for monitoring at least one of temperature difference, pressure difference and flow difference between an inlet and an outlet of the heat exchanger; the controller regulates and controls the gas-liquid two-phase generation device to operate according to data collected by the monitoring device, and online cleaning of the heat exchanger is achieved. Real-time monitoring, cleaning and anti-scaling treatment of the heat exchanger can be achieved, and normal work of the heat exchanger is guaranteed.

The utility model discloses a pipeline structure and a combined electric appliance, the pipeline structure is applied to refrigeration equipment and cleaning equipment, the refrigeration equipment comprises a radiator, the cleaning equipment comprises a water inlet, the pipeline structure comprises a first pipeline, the first pipeline is provided with a first water inlet end and a first water outlet end, the first water inlet end is used for being communicated with a water source, and the first water outlet end is used for being communicated with a water outlet; the first pipeline is arranged in a radiating area of the radiator and exchanges heat with the radiator; the second pipeline is provided with a second water inlet end and a second water outlet end, the second water inlet end is communicated with the first water outlet end, and the second water outlet end is communicated with the water inlet. The cleaning equipment and the refrigeration equipment are combined through the first pipeline and the second pipeline, the heat dissipation effect of the refrigeration equipment can be effectively improved, heating water is provided for the cleaning equipment through heat generated by the refrigeration equipment, and the energy consumption of the cleaning equipment can be reduced.

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

The utility model provides a condenser dredging mechanism which comprises a condenser body, a cold water opening and a backflow opening are formed in the two ends of one side of the top of the condenser body respectively, an automatic feeding dredging mechanism is arranged on one side of the condenser body, and the dredging mechanism comprises a cleaning water tank. The cleaning water tank is installed below one side of the condenser body, feeding ports are formed in the two ends of the middle of the top of the cleaning water tank, storage boxes are installed at the two ends of the middle of the top of the cleaning water tank, the bottoms of the storage boxes communicate with the feeding ports, and material fixing roller bodies are installed between the two ends of the lower portions in cavities of the two storage boxes. A plurality of quantitative cavities are formed in the outer sides of the two material fixing roller bodies in an annular array mode, a user can conveniently clean the interior of the bent condensation pipeline through the dredging mechanism, and the situation that due to the fact that incrustation is accumulated in the condensation pipeline, the cross sectional area of the condensation pipeline is reduced, the water passing rate is reduced, and normal operation and efficacy of the condenser are affected is avoided.

The present invention provides a heat exchanger assembly, a cleaning method, and an air conditioner, which relate to the technical field of air conditioners and solve the technical problem in the prior art that the unit is thick and affects the heat exchange efficiency of the unit due to the setting method of the heat exchanger. The heat exchanger assembly includes a heat exchanger unit and a water receiving tray. The heat exchanger unit is horizontally arranged and located at the air inlet. The water receiving tray is arranged between the heat exchanger unit and the air inlet, and an air inlet channel connected to the air inlet is formed on the water receiving tray, so that the water receiving tray has the functions of both ventilation and water collection. In this way, the airflow at the air inlet can flow to the heat exchanger unit through the air inlet channel under the drive of the fan for heat exchange. Compared with traditional ceiling-mounted air conditioners, the heat exchanger assembly is placed horizontally, which greatly reduces the overall thickness of the unit. It is located at the air inlet, so that the outlet air can avoid the heat exchanger, thereby reducing the air volume loss at the air outlet and reducing noise. The overall ventilation is good and the heat exchange efficiency is high.