81results about "Flush cleaning" patented technology

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 belongs to the technical field of nuclear power plant operation control, and particularly relates to a nuclear power plant seawater plate heat exchanger pressure difference and temperature control system and method. An equipment cooling water outlet of the plate heat exchanger is provided with an equipment cooling water thermometer, and a plate heat exchanger bypass pneumatic control valve and a plate heat exchanger differential pressure gauge are arranged between a seawater inlet and a seawater outlet of the plate heat exchanger in parallel. A seawater inlet of the plate heat exchanger is respectively connected with the plate heat exchanger positive flushing inlet pneumatic isolating valve and the plate heat exchanger back flushing outlet pneumatic isolating valve, and a seawater outlet of the plate heat exchanger is respectively connected with the plate heat exchanger positive flushing outlet pneumatic isolating valve and the plate heat exchanger back flushing inlet pneumatic isolating valve. Automatic backwashing of the plate heat exchanger can be achieved, impurities on the seawater side in the plate heat exchanger can be washed away, and the temperature of cooling water of equipment can be controlled to be not lower than the temperature limit value required by design in winter.

The utility model relates to condensing equipment field, concretely relates to a tar residue pyrolysis gas condensing separation device, including a plurality of shell, the upper and lower both ends of shell are provided with the outlet pipe and the inlet pipe, the outlet pipe and the inlet pipe between adjacent shell adopt the connection of conveying pipe, the inside of shell is provided with the outlet box and the inlet box, the outlet box and the inlet box are connected with the outlet pipe and the inlet pipe respectively, a plurality of gas pipes are vertically arranged between the outlet box and the inlet box, the shell is filled with heat -conducting oil, the shell is provided with electric heating unit, the outlet pipe on the outside of shell is provided with first branch pipe, first branch pipe and outlet pipe all are provided with first valve, the inlet box is provided with the liquid collection pipe extending to the outside of shell, the liquid collection pipe is provided with second valve, the bracket is provided in the outlet box, a plurality of downward nozzles are arranged on the bracket. The utility model has the effect that the inside of condenser can be cleaned, and the good heat exchange performance of condenser can be maintained.

The utility model discloses a kind of cleaning devices for heat exchange station, belong to heat exchange station technical field, including plate heat exchanger and box, the bottom of the box is provided with cleaning mechanism, water supply mechanism is provided on the box, hot fluid inlet pipe is provided on the plate heat exchanger, cold fluid outlet pipe is provided on the plate heat exchanger, hot fluid outlet pipe is provided on the plate heat exchanger. In the utility model, when the inside of plate heat exchanger is cleaned, the first water pump is used to make the water suction pipe draw out the cleaning agent in the inner cavity of the box, and the high-pressure gas is filled into the inner cavity of the tee joint by using the high-pressure fan, so that the gas and the cleaning agent are in contact, the high-speed water gas enters the plate heat exchanger, the kinetic energy and impact force of high-speed water gas flow are used to clean the inner wall of the plate heat exchanger completely, to ensure the cleaning effect of the plate heat exchanger.

The utility model relates to a waste heat recovery technical field, proposes a kind of waste heat recovery device of waste gas in sodium methoxide production process, including distillation column body: the one side of distillation column body is fixedly connected with two connecting pipes one, the other side of two the connecting pipe one is respectively fixedly connected with heat exchange tube one and heat exchange tube two, heat exchange tube one and heat exchange tube two between fixedly connected with connecting pipe three, the inside fixedly connected with water delivery valve of connecting pipe three, the one side fixedly connected with water inlet two of heat exchange tube two, the one side fixedly connected with water outlet of heat exchange tube one, since hot waste gas is discharged by distillation column body first into the inside of heat exchange tube one and heats, when reaching heat exchange tube two inside, it is the hot waste gas after cooling, at this time, by the cold water of water inlet two can make the hot waste gas after cooling more thorough cooling.

The utility model relates to heat exchanger technical field, and disclose a kind of high-efficiency heat recovery heat exchanger, box, the heat exchange mechanism is arranged in the inside of box;The heat exchange mechanism includes hollow plate installed in the inside bottom end of box, the heat exchange fin is uniformly fixed in the top side of hollow plate, the input valve is fixed in the one end of hollow plate through box, the heat pump is provided in the one end of box, the input end of heat pump is communicated with the inside of hollow plate through input pipe cooperation through box, the output end of heat pump is fixed with three-way pipe through output pipe cooperation, the air inlet is provided in the one end of box, the exhaust port is provided in the other end of box, the water tank is provided in the one side of box.The utility model is through the structure of heat exchange mechanism, under the cooperation of heat exchange fin, the contact area of heat exchanger and waste gas can be increased, so as to sufficiently absorb the heat of waste gas, improve the heat exchange efficiency of heat exchanger, and the condensate water in its box inside can also be recycled, reduce the waste of water resources.

The utility model discloses a kind of cleaning mechanism of evaporator, belong to evaporator technical field.It include evaporator, and maintenance passage is connected and arranged on evaporator, and installation plate is fixedly arranged on maintenance passage, and limit slot is opened on installation plate, and fixed plate is set on maintenance passage side, and limit plate is fixedly set at one end of fixed plate, limit plate can be inserted with limit slot, limit structure for being used to the limit of limit plate is set on installation plate, and fixed plate side towards maintenance passage is provided with spray pipe, and a plurality of spray heads are provided on spray pipe.The utility model needs to clean maintenance passage on evaporator, first limit plate is inserted to the inside of limit slot by fixed plate, while fixed plate also drives spray pipe and spray head to move to the inside of maintenance passage, then cleaning liquid in spray pipe is sprayed out through spray head to clean the inner wall of maintenance passage, while rotating structure drives spray head to rotate.

This utility model relates to the field of air conditioning technology and discloses an energy-saving air conditioner, including an outdoor unit casing and a compressor, a condenser, and a cooling fan that cooperates with the condenser, all housed within the outdoor unit casing. A water storage tank is provided inside the outdoor unit casing, and a water inlet pipe that cooperates with the indoor unit is connected to the water storage tank. A high-pressure pump is connected to the water storage tank, and a flexible hose is connected to the output end of the high-pressure pump. A lateral moving device is provided on the top of the outdoor unit casing, and a longitudinal moving device is provided at the output end of the lateral moving device. The end of the flexible hose away from the high-pressure pump is located on the longitudinal moving device. The advantages of this utility model compared to existing technologies are: utilizing the condensate water generated by the indoor unit to clean the condenser and assist in heat dissipation, thereby reducing air conditioning energy consumption.

A method is used for cleaning heat exchanger systems. The method is performed at a computer system having one or more processors and memory storing one or more programs configured for execution by the one or more processors. The method determines component percentages of a cleaning solution based, at least in part, on operational parameters of a heat exchanger system. The operational parameters include chemical composition of fluids passing through the heat exchanger system and operating temperatures of the fluids passing through the heat exchanger system. The component percentages of the cleaning solution include: (1) hydrogen peroxide. 2-90 wt. %: (2) a complexing agent. 3-30 wt. %: (3) water-soluble calixarene. 0.01-10 wt. %; and (4) water. The complexing agent includes a polybasic organic acid or a sodium salt thereof, or a derivative of phosphorous acid.

A cooling tower is disclosed comprising a chamber defined by a peripheral wall and a top wall, wherein the top wall defines an outlet of the cooling tower; a gas inlet formed in the peripheral wall for introducing a gas into the chamber; one or more nozzles configured to spray a liquid to be cooled into the chamber; a fluid outlet for allowing cooled liquid to exit the chamber; and one or more mist eliminators arranged within the chamber. The mist eliminators are arranged such that fluid moving from within the chamber to the outlet passes substantially radially inwardly through the one or more mist eliminators towards a centreline of the cooling tower before reaching the outlet. A method of cooling a liquid in a cooling tower and a method of cleaning a cooling tower are also disclosed.

This utility model relates to the field of aluminum flat tube heat exchange technology, and discloses an aluminum flat tube with few pores and microchannels. The tube includes a tube body with multiple channels inside. Each channel's inner wall is fixedly connected to an anti-corrosion and wear-resistant layer, and each anti-corrosion and wear-resistant layer's inner wall is fixedly connected to a spiral guide rib. An installation ring is fixedly connected to the right side of the tube body's outer wall. A flow divider plate is fixedly connected to the center of the installation ring's inner wall, and a flow divider cone is fixedly connected to the inner wall of the flow divider plate. A cleaning mechanism is provided on the front right side of the tube body's outer wall to unclog the multiple anti-corrosion and wear-resistant layers. In this utility model, the flow divider cone and flow divider plate work together to initially guide and disperse the fluid, which is then evenly distributed to each channel by the flow divider plate, ensuring uniform fluid distribution. The spiral guide ribs increase the surface area, promoting turbulence and guiding spiral flow, thereby improving heat exchange efficiency and preventing a decrease in fluid flow rate due to increased resistance.

The application relates to the technical field of heat exchangers, and discloses a tubular heat exchanger for chemical engineering, which comprises a connecting shell and a heat exchange mechanism, a pipe body is fixed on one side of the connecting shell through bolts, the heat exchange mechanism comprises a heat exchange tube bundle located in the pipe body; further comprising: a cleaning mechanism arranged at the middle part of the pipe body, the cleaning mechanism comprises a plurality of installation pipes connected head to tail, a piston rod is arranged in the cavity of the installation pipe, a first pipe opening and a second pipe opening are respectively arranged on the surface of the piston rod, and materials enter and exit the installation pipe cavity through the first pipe opening and the second pipe opening; a pushing mechanism is arranged at the middle part of the connecting shell. By injecting acidic or alkaline cleaning materials into the pipe body, full-range immersion descaling treatment of the pipe body and the heat exchange tube bundle is realized, and the cleaning of the inner wall dirt of the heat exchanger is simpler and more convenient.

The utility model discloses a kind of air preheater regenerative element cleaning devices of convenient dismounting, it is related to cleaning device technical field, including device base, sewage bin is arranged inside the device base, support box body is fixedly installed in the middle above sewage bin, and clamping frame is slidably connected in the left and right two sliding grooves of support box body upper surface, the left and right sides of the upper surface of device base are evenly provided with roof rack, and slide bar is fixedly installed in the front and back sides of roof rack bottom, horizontal frame is slidably connected outside slide bar, and the side of horizontal frame close to device base is evenly provided with several high-pressure water guns. The air preheater regenerative element cleaning device of convenient dismounting solves the problem that traditional device is complicated to dismount, not completely cleaned, the device quickly dismounts element, cleaning efficiency is improved, is suitable for different width regenerative element cleaning, provides automated solution for the efficient maintenance of air preheater.

A method (200) for cleaning a condenser (106) in a system (100) for heat treatment of liquid food, wherein the system comprises a direct-fired apparatus (102), a flash vessel (104), the condenser (106), one or more cleaning apparatuses (108a-108e), a liquid separator (110), and a vacuum pump (112). The method comprises: operating the direct-fired apparatus to produce a stream comprising a mixture of steam while operating the vacuum pump, said stream being fed to the flash vessel; drawing a stream of steam from the stream from the flash vessel into the condenser, where a majority of the stream of steam becomes condensate; injecting a cleaning solution into the stream of steam via the one or more cleaning apparatuses (108a-108e); drawing the cleaning solution and the condensate from the condenser to the liquid separator; and separating the cleaning solution and the condensate from the stream by the liquid separator before feeding the stream to the vacuum pump.

The utility model discloses a kind of self-cleaning four fluorine heat exchangers with backwashing, the utility model relates to heat exchanger technical field.This self-cleaning four fluorine heat exchanger with backwashing, including shell, the inside of shell is provided with guide assembly, the top of shell is provided with pressure relief assembly, the guide assembly includes the guide plate of fixed mounting in the inside of shell, the inner bottom wall of shell is fixedly installed with baffle, the bottom of shell is connected with cover, the bottom of cover is connected with backwashing pipe, the side of shell is connected with water inlet pipe, the other side of shell is connected with water outlet pipe, the utility model is conveniently guided to water operation by being set up guide assembly, in the process of using, it is also convenient to carry out backwashing operation to it in the process of using subsequently, so that the use convenience of the heat exchanger will be improved in the process of using subsequently, the use efficiency of the heat exchanger is improved, and subsequent normal operation is facilitated.

To provide a control system which enables reduction of a water circulation pipe clean-up process in a gas-gas heater device 200.SOLUTION: At a control system of a water circulation pipe 4 clean up process in a gas-gas heater device 200, including a heat recovery device 2 configured to recover heat from exhaust gas of a boiler 71, a heater 3 which increases a temperature of a process gas, and the water circulation pipe 4 located between the heat recovery device 2 and the heater 3, in a flushing process of the water circulation pipe 4, drainage tank draining control means 102 of an information processing device 1 controls drainage tank draining means 46 so that a water level of a drainage tank 52 received by drainage tank water level receiving means 104 is maintained at a level lower than a setting value. Further, water circulation control means 105 of the information processing device 1 controls a water supply valve 47 and circulation water draining means 45 so that a water storage amount of a circulation water tank 51 received by circulation water tank water storage amount receiving means 103 is maintained in a predetermined amount or larger amount and the water level of the drainage tank 52 received by the drainage tank water level receiving means 104 becomes lower than a predetermined value.SELECTED DRAWING: Figure 7

This utility model relates to the field of waste heat utilization technology, specifically a device for utilizing waste heat from coke oven gas. To address the problem in existing waste heat utilization devices where cleaning the heat exchange tubes is difficult due to the parallel direction of the cleaning fluid flushing the tubes, multiple rotating shafts are rotatably connected to the end face of the heat exchange shell along the gas conveying direction. Each shaft is concentrically positioned with its corresponding heat exchange tube. A spiral blade is connected to the rotating shaft inside the heat exchange tube, with the outer edge of the spiral blade aligning with the inner surface of the heat exchange tube. Power is transmitted through a transmission mechanism to drive all rotating shafts to rotate in the same direction. The tar on the spiral blade surface is directly dissolved by the cleaning fluid and easily flushed off. The spiral blade also guides the cleaning fluid to flush the tube wall, resulting in excellent cleaning performance. During tube wall cleaning, the spiral blade rotates synchronously, scraping off the tar condensed on the inner wall of the heat exchange tube. The scraped tar, combined with the cleaning fluid, is transported to the tail end of the heat exchange shell for collection. This significantly improves the cleaning effect compared to existing direct flushing techniques.

The utility model relates to a municipal sludge blending combustion wastewater cooling system which can receive high-temperature and high-pressure evaporation tail gas, preliminarily condense the high-temperature and high-pressure evaporation tail gas into wastewater with the first temperature, and then gradually cool the wastewater with the first temperature through a wastewater cooling assembly. And inputting the wastewater into the biochemical pool until the wastewater reaches a set temperature which can be accepted by the biochemical pool. Therefore, the waste water is gradually cooled by arranging a plurality of waste water cooling devices, so that the heat exchange efficiency of the cooling system is improved; and the wastewater cooling device realizes efficient cooling and anti-blocking functions through double design of circulating water shell pass heat exchange and tube pass backwashing, and each valve body controls the flow direction of a medium through opening and closing combination, so that the whole system is ensured to be flexibly switched among normal cooling, backwashing and pollution discharge modes, and the service life of the system is prolonged. Sediments in the tube pass of the waste water cooling device can be removed regularly, so that the efficient heat exchange efficiency of the waste water cooling device is maintained.

This invention relates to high-pressure cleaning equipment for heat exchanger tube bundles, including a spraying mechanism and a rolling base assembly supporting the heat exchanger tube bundles. It also includes a control room and a water supply system. The control room houses a controller that connects the spraying mechanism and the rolling base assembly via signal transmission. The spraying mechanism is connected to the water supply system. A camera on the spraying mechanism transmits images to the controller, which displays the images and controls the cleaning posture of the spraying mechanism. This achieves automated and visualized control of the cleaning process, improving cleaning efficiency and quality, reducing operator workload, and ensuring operational safety.

This invention discloses a cleaning system and method for air cooler finned tube bundles, applied to air cooler assemblies. The air cooler assembly includes a heat exchange component, a support frame, and ventilation louvers. The support frame is located below the heat exchange component, and the ventilation louvers are positioned above the heat exchange component. The air cooler finned tube bundle cleaning system includes a spray assembly, a control valve assembly, a feed valve assembly, a collection assembly, and a roller assembly. The spray assembly is positioned above the ventilation louvers, and the spray assembly, control valve assembly, and feed valve assembly are connected sequentially. The roller assembly is located in the middle of the support frame and arranged parallel to the heat exchange component. Collection assemblies are respectively provided on both sides of the roller assembly, with one collection assembly higher than the roller assembly and the other collection assembly lower than the roller assembly. This invention includes an expandable and retractable waste collection device, which can collect detached dirt, excess cleaning fluid, and dirt-liquid mixtures, preventing dirt from falling and affecting equipment operation.

The utility model discloses a kind of dirt reverse cleaning systems for water source heat pump unit, including two or more water source heat pumps, valve I, valve II and liquid storage tank, liquid storage tank is also provided with cleaning fluid output pipe and cleaning fluid recovery pipe, cleaning fluid output pipe is connected with the wastewater outlet of first water source heat pump, cleaning fluid recovery pipe is connected with the wastewater inlet of last water source heat pump, the wastewater inlet and wastewater outlet remaining in water source heat pump unit are connected, to form a closed loop water source heat pump unit cleaning passage by this. The utility model not only can realize the repeated use of cleaning fluid and save raw material cost, but also can completely realize the cleaning backflush of water source heat pump unit, carry out thorough cleaning and blowdown, can long-term reliable work, system is simple, low in cost, again completely automatic operation, greatly reduce artificial burden.

This invention relates to a method for removing lithium carbonate scale from the surface of equipment such as crystallization apparatus and evaporation apparatus. A non-acidic cleaning solution, such as water, is introduced into the apparatus. Once inside the apparatus, CO2 is injected and mixed with the cleaning solution. This converts the lithium carbonate scale into lithium bicarbonate, which dissolves in the cleaning solution. Subsequently, the cleaning solution containing the dissolved lithium bicarbonate is discharged from the apparatus.

This utility model relates to the field of backflushing technology for supercritical boilers, and particularly to a backflushing system for a high-temperature superheater and high-temperature reheater of a supercritical boiler. The backflushing system for a high-temperature superheater and high-temperature reheater of this utility model includes a reheater desuperheating water header, a main flushing pipeline, a first branch pipe, a second branch pipe, a high-temperature reheater, and a high-temperature superheater. One end of the main flushing pipeline is connected to the reheater desuperheating water header. One end of the first branch pipe and the second branch pipe are respectively connected to the other end of the main flushing pipeline. The other end of the first branch pipe is connected to the main steam outlet header of the high-temperature superheater, and the other end of the second branch pipe is connected to the outlet header of the high-temperature reheater. A filter pipeline is connected in parallel to the inlet header drain line of the high-temperature reheater, and a filter is installed on the filter pipeline. Advantages: The structure is reasonably designed, which can efficiently remove oxide scale, shorten the downtime maintenance cycle, reduce operation and maintenance costs, extend equipment life, and the whole process is safe and environmentally friendly.

This application relates to the field of fan coil units and discloses a cleaning device for surface cooler fan coil units. In this application, a mixing tank serves as a mixing container for the cleaning solution, thoroughly mixing clean water and detergent to form a uniform cleaning solution. An electric butterfly valve, through electric control, adjusts the valve opening, thereby controlling the flow rate of detergent from the detergent tank. By controlling the opening time of the electric butterfly valve, the dosage of detergent flowing into the mixing tank is quantitatively controlled. A stirring roller, through rotation, stirs and mixes the clean water and detergent in the tank, ensuring they are fully integrated to form a uniform cleaning solution. A servo motor serves as the power source for the stirring roller's rotation, enabling the stirring of the clean water and detergent inside the mixing tank. By integrating a water supply component for cleaning the surface cooler into this device, continuous cleaning of the fan coil unit surface cooler is possible. Furthermore, the device allows for the quantitative addition and stirring of detergent into the clean water, improving the cleaning effect.

The utility model relates to wastewater waste heat recovery technical field discloses a kind of printing and dyeing wastewater waste heat recovery unit, including cold water pool, the cold water pool is connected with heat exchanger two and is provided with electromagnetic flowmeter on pipeline, the left end of the front side of heat exchanger two is connected with heat exchanger one by hot gas pipe, the right end of the back side of heat exchanger one is connected with the right end of the front side of heat exchanger two with cold gas pipe, the right side of heat exchanger one is fixedly connected with blowdown pipe, the right side of heat exchanger two is connected with energy storage tank by pipeline and is provided with pressure reducing valve on pipeline, the left side of heat exchanger one is connected with ultrasonic wave filter by pipeline and is provided with water pump and three-way valve one on pipeline.In the utility model, after the double filtration of pretreatment filtration and ultrasonic wave filter, the corrosivity of wastewater is significantly reduced, in addition, ceramic anticorrosive coating is sprayed in pipeline, further improve the service life of unit.

The utility model relates to washing machine evaporimeter production cleaning technical field, especially a washing machine evaporimeter production treatment device, solve the shortcoming box of washing machine evaporimeter production cleaning in prior art, the box side fixedly connected with base, the base surface is located with evaporimeter, the evaporimeter is placed in the inclination, the box side fixedly connected with fixed link, the box side is provided with cylinder assembly no.

The application discloses a cupronickel rust removal and passivation solution, a cleaning method and a shell-and-tube heat exchanger. The cupronickel rust removal and passivation solution is composed of 8-15% of inorganic acid, 0.1-0.5% of corrosion inhibitor and passivation agent (consisting of copper alloy corrosion inhibitor and black metal corrosion inhibitor) and the rest of B-grade water. After the cupronickel rust removal and passivation solution is circulated for 90-120 minutes, a uniform passivation film can be formed on the surface of BFe1011 or BFe3011 cupronickel, and the corrosion rate of the base material and the weld is less than 0.01 mm / a. The application also provides a corresponding pickling and passivation method, which comprises the steps of circulation treatment, displacement rinsing and drying and inspection. The problems of high corrosion rate, poor passivation film quality and lack of heterogeneous metal protection in the traditional pickling method are solved, and efficient and low-corrosion maintenance is realized.

The utility model provides a kind of replaceable flushing system for thermal power air cooling island, belong to thermal power plant energy saving technical field, comprising: softened water unit, desalted water unit, flushing and collection unit and air cooling unit;Desalted water unit includes the ultrafiltration device, reverse osmosis device and desalted water tank connected in turn in desalted water workshop;Softened water unit includes the double medium filter, sodium ion exchanger, softened water tank, constant pressure pump and water replenishing tank connected in turn;Air cooling unit includes air cooler and cooling fin;Flushing and collection unit includes high-pressure pump, flushing pipe, drain tank and water collecting pool connected by pipeline;Desalted water tank and water replenishing tank are connected with high-pressure pump inlet respectively by pipeline.The system uses diversified replaceable flushing water source to flush air cooler cooling fin, effectively reduces ash and deposit on it, improves the sustainability, mobility, reliability of air cooling island flushing system, improves the heat exchange efficiency and long-term stable operation safety of air cooling island.

A plate heat exchanger plate heating and soaking tank is characterized by comprising a tank body, a support, a grid, and a heater; the tank body is a hollow structure with an open top, containing soaking water, and has a drain hole at the bottom; the support is a hollow structure, located inside the tank body, with its bottom connected to the bottom of the tank body, and the top of the support having the same shape as the bottom of the tank body, dividing the interior of the tank body into a heating section and a placement section, with the height of the placement section being greater than that of the outer plates to be soaked; the grid is a plate-like structure with a preset thickness, located on top of the support and in the placement section, with multiple through holes penetrating the top and bottom of the grid, and the outer plates to be soaked are placed on the grid; the heater is located on one side of the tank body, in the heating section, and is used to heat the soaking water; this application, through the above design, not only saves space and improves space utilization, but also allows for uniform annealing and adaptability to different connecting devices, making it more practical.