207 results about "Limescale" patented technology

The present invention relates to the technical field of exhaust valves, and specifically to a pneumatically controlled exhaust valve. The pneumatically controlled exhaust valve comprises a housing, a connecting hole being formed in one end of the housing, and an exhaust channel being formed in a side wall of the end of the housing distant from the connecting hole. An exhaust pipe is mounted in the exhaust channel, and a sealing bolt is installed at an end of an exhaust pipe channel close to an outer side wall of the housing. An exhaust hole is provided on the sealing bolt, and an end of the exhaust pipe distant from the sealing bolt is connected to a swing rod by means of a first spring, a sealing gasket being mounted at an end of the swing rod close to the exhaust pipe. A floating block is disposed in the housing, and the swing rod and the floating block are non-reliably connected. The present invention mounts an alarm device on the exhaust valve such that, when the exhaust valve leaks or cannot exhaust, the alarm device gives a prompt to a user to remind the user to clean the exhaust valve, thereby solving the problem of the time taken for limescale to affect the exhaust valve being shorter than a prescribed time for regular cleaning, causing water supply difficulties or leakage in heating pipes.

According to the raw ore classification method, device and equipment provided by the invention, the recognition performance of a YOLOv8 model is optimized by training and verifying a raw ore image data set, especially a scheelite calcareous degree image data set, and setting an overlapping degree IoU loss function for measuring the matching degree of the position and the scale between a prediction frame and a target frame, so that the recognition efficiency is improved. The precision and the speed of raw ore automatic identification are improved, and the double requirements of an ore separation system for real-time performance and accuracy are met.

The invention discloses a real-time coal gangue recognition and intelligent sorting method based on machine vision in the technical field of coal sorting. The method comprises the following steps that S1, parameter calibration is conducted on a camera; determining a conversion coefficient of the pixel coordinate and the real coordinate; s2, image information is collected, coal and coal gangue are manually labeled, and a semantic segmentation data set is made; s3, training the acquired image data set through a deep learning network, searching a semantic segmentation weight file with optimal precision, loading the trained weight file, testing the coal and the coal gangue by using a verification set, and carrying out semantic segmentation on the coal and the coal gangue; and S4, identifying the segmented coal gangue grey-scale map, solving a centroid coordinate of the target area through a centroid method, obtaining the position of the centroid in the image, and converting the centroid coordinate into a real coordinate by using the coordinate conversion coefficient calibrated in the step S1 to complete sorting and positioning. According to the scheme, the problem that an existing coal gangue recognition system can cause inaccurate positioning of a coal gangue sorting system is solved.

A steam-water separator for steam relates to the field of steam-water separators and comprises a separator barrel and a partition plate, a spiral liquid separation assembly is mounted on the lower end face of the partition plate and comprises a connecting plate and a rotating bottom ring, the connecting plate is fixedly connected to the partition plate, and the rotating bottom ring is rotatably connected to the lower end face of the connecting plate. The lower end face of the rotating bottom ring is rotationally connected with a liquid separation barrel, and a spiral plate is fixedly arranged on the end face of the outer side of the liquid separation barrel. According to the steam-water separator for the steam, part of water drops generated on the central inner cavity are effectively prevented from being attached in the follow-up water vapor rising process, the water vapor separation effect is effectively prevented from being reduced, and the situation that scale appears on the side wall of the central inner cavity of the liquid separation barrel in the long-time use process can be avoided; the steam-water separation effect is good, energy is saved and consumption is reduced.

The invention discloses a wine brewing condenser, which belongs to the technical field of wine brewing equipment, and comprises a shell and an inner core, the inner core comprises a plurality of straight condensing pipes, the condensing pipes are of a double-layer structure, cold water enters the bottom of the shell, and hot water is discharged from the middle part and the upper part of the shell; introducing wine steam into the top of the shell, and discharging condensed wine from the bottom of the shell; the inner wall and the outer wall of the condensation pipe are communicated with cold water; and one group of discharged hot water is introduced into domestic water. After integral application, wine steam can be condensed in the interlayer of the inner pipe and the outer pipe, the inner wall and the outer wall of the wine steam can be condensed, the condensation efficiency is higher, only the shell needs to be taken down when scale is cleaned, and the outer wall of the condensation pipe is directly exposed and can be cleaned by a brush; the inner wall of the condenser pipe can be cleaned through a brush structure similar to a brush feeding bottle, cleaning is convenient, meanwhile, cold water used for cooling the condenser pipe is heated after being cooled, and water resources can be recycled by introducing domestic water.

The invention discloses a water quality detection device for an industrial boiler, and particularly relates to the technical field of industrial boilers, the water quality detection device comprises a boiler, and one end of the boiler is provided with a water inlet pipeline. Through the arrangement of the detection tank, the first connecting pipe, the detection mechanism, the cleaning mechanism and other structures, under the action of the moving mechanism, the connecting frame can drive the detection mechanism to move to the position above the detection tank, then boiler water injected into the detection tank can be detected through the detection mechanism, and in cooperation with a controller, water quality detection can be rapidly achieved; the cleaning mechanism is driven to be shifted to the position above the detection tank, multiple sets of scraping plates can extend outwards at the same time and abut against the inner wall of the detection tank, then the scraping plates rotate on the inner wall of the detection tank and ascend and descend vertically in cooperation, and therefore scale impurities on the inner wall of the detection tank can be effectively removed; through repeated transposition operation of the detection mechanism and the cleaning mechanism, the inner wall of the detection tank can be effectively ensured to be clean, and the accuracy and reliability of water quality detection are greatly improved.

An online pipeline limescale monitoring method for a heat exchange system, comprising: firstly, determining several monitoring points on a pipeline along a length direction, acquiring a flow velocity in the pipeline at each monitoring point, and acquiring a flow velocity at an inlet of the pipeline at the same time; then comparing the flow velocity in the pipeline at each monitoring point with the flow velocity at the inlet of the pipeline, and determining a monitoring point with the flow velocity exceeding a flow velocity deviation threshold as an abnormal monitoring point; and finally calculating, on the basis of the flow velocity of the abnormal monitoring point and the flow velocity at the inlet of the pipeline, a limescale thickness, and if the limescale thickness exceeds a preset limescale thickness alarm threshold, then issuing an alarm. The method is simple to implement and has a high degree of automation, and is able to monitor the limescale thickness in the pipeline in real time, quantitatively calculate the limescale thickness, and issue the alarm without delay, thereby enabling daily limescale prevention and subsequent descaling work to be guided, and ensuring safe and stable operation of power stations. Further disclosed are an online pipeline limescale monitoring system for a heat exchange system.

The invention relates to the technical field of boilers, in particular to a gas boiler which comprises a shell, a heat supply mechanism and an evaporation mechanism, the evaporation mechanism comprises a plurality of outer pipes and a plurality of inner pipes, the outer pipes and the inner pipes are distributed in the shell in an annular array mode with the axis of the shell as the center, and the inner pipes are arranged on the inner sides of the outer pipes; according to the gas-fired boiler, when much scale is accumulated in the outer pipe, the driving assembly drives the rotating assembly to move, the rotating assembly drives the outer pipe and the inner pipe to be away from the heat supply mechanism, then the adjusting assembly drives the outer pipe on the rotating assembly to move to the inner side of the inner pipe through the hinge assembly, and finally the driving assembly drives the rotating assembly to reset; the outer pipe is made to be close to the heat supply mechanism, heating of the outer pipe is prevented from being affected, meanwhile, the speed of generating scale in the inner pipe can be reduced, and the situation that the shell needs to be frequently disassembled for cleaning due to long-time rapid accumulation of the scale in the inner pipe is avoided.

The invention relates to the technical field of water heating devices, in particular to a cold and hot water sufficient mixing device which comprises a shell, a mixing mechanism, a driving mechanism, a water scale fishing mechanism, a linkage scraping mechanism, a rotation limiting mechanism, a water scale collecting mechanism and an opening and closing discharging mechanism. The bottom of the cold water tank is fixedly connected with a cold water pipe, the inner wall of the shell is fixedly connected with a hot water tank, and the lower portion of the hot water tank is fixedly connected with a heating mechanism. And meanwhile, the driving mechanism is in linkage with the incrustation salvage mechanism and the linkage scraping mechanism, incrustation can be collected and salvaged, then the incrustation is discharged through the opening and closing discharging mechanism, no part needs to be disassembled, and the water leakage phenomenon cannot occur.

The invention provides a geothermal pipeline inner wall cleaning device which comprises a plate frame assembly and a positioning sealing mechanism, and the plate frame assembly comprises a first plate frame, a second plate frame, a third plate frame, a fourth plate frame and two storage grooves; wherein the second plate frame is arranged on one side of the first plate frame, and the third plate frame is arranged on one side of the second plate frame; the air bag expands to drive the sealing ring to be attached to the inner wall of the pipeline, so that the first plate frame, the second plate frame, the third plate frame and the fourth plate frame are fixed to the inner wall of the pipeline, meanwhile, a relatively-sealed water collecting space is formed between the second plate frame and the third plate frame, and then water is injected into the water collecting space through the flushing mechanism for filling; and then the inner wall of the pipeline is scrubbed and descaled in water in a rotating mode through the scrubbing mechanism, damage to the inner wall of the pipeline caused by dry scrubbing is avoided, the descaling and cleaning effect is improved, and scale falling off from the water collecting space can be discharged through the flushing mechanism.

[Problem] To provide a hole cleaning method with which it is possible to appropriately remove scale that has formed in hard-to-clean locations around a hole (foundation drainage hole, etc.) using a small, lightweight device that can be transported by human power. [Solution] A cleaning water tank, a bubble generating means, a cleaning water supply pipe, and a cleaning water transfer means are installed in a hole cleaning method for cleaning a cleaning location in a hole (foundation drainage hole, etc.), the cleaning location being near the bottom end of the hole, which should be maintained as an underground water flow inlet. By driving the bubble generating means and the cleaning water transfer means and supplying micro-nano-bubble-containing cleaning water (micro nano bubble water) from the distal end part of the cleaning water supply pipe toward the cleaning location, the cleaning location is cleaned and the cleaning water supplied to the cleaning location is returned to the cleaning water tank through a gap between the inner wall of the hole and the outer wall of the cleaning water supply pipe and a gap between the inner wall of a cleaning water return pipe and the outer wall of the cleaning water supply pipe, whereby cleaning is performed while the cleaning water is circulated between the cleaning water tank and the cleaning location.

The utility model belongs to the technical field of kettles, and particularly relates to an electric kettle convenient to clean scale, which comprises a base and a kettle body, the kettle body is arranged at the top of the base, a handle is fixedly connected to the circumferential surface of the kettle body, a button is arranged on the outer surface of the handle, and a soaking device is arranged in the kettle body. The soaking device comprises a fixing plate, a motor fixedly penetrates through the bottom of the fixing plate, a rotating shaft is fixedly connected to the tail end of an output shaft of the motor, and a reciprocating screw rod is fixedly connected to the circumferential surface of the rotating shaft. The problems that white vinegar water in the kettle cannot be stirred, the white vinegar water cannot be fully heated, and consequently the heating speed of the white vinegar water cannot be increased are solved, so that the white vinegar water in the kettle is stirred, the water can be fully heated and is fully attached to a place with scale, and the heating speed of the white vinegar water is increased. The white vinegar water is soaked and boiled, so that scale falls off, and the heating speed of the white vinegar water is increased.

The invention discloses a horizontal volumetric heat exchanger, which relates to the field of heat exchangers and solves the problem that scale and impurities on the inside of an existing heat exchanger are difficult to clean. The invention comprises: an outer shell and a heat exchange tube installed on the inner side of the outer shell, a heat exchange bundle tube is installed on the outer side of the heat exchange tube, a drainage pipe and a heat medium tube are fixedly installed on one side of the heat exchange tube, a cold water butt joint tube and a hot water butt joint tube are installed on the bottom and top of the outer shell respectively, and a supporting base is installed on the bottom of the outer shell; the invention also comprises: a cleaning mechanism for cleaning scale and impurities on the inner side of the outer shell, and the cleaning mechanism is installed on the inner side of the outer shell; the invention scrapes and cleans scale and impurities on the inner side of the outer shell by means of a spiral scraping method through the cleaning mechanism, and can concentrate and transport scale and impurities, facilitate the discharge of scale and impurities, and facilitate the rapid heat exchange of water flow by the heat exchange bundle tube, thereby achieving the effect of comprehensive cleaning and improving heat exchange efficiency.

The invention provides a corrosion-resistant boiler structure, and relates to the technical field of boilers, the corrosion-resistant boiler structure comprises a fixing frame, a boiler body is fixedly mounted at the top of the fixing frame, a water cooling mechanism is arranged on one side of the fixing frame, a descaling mechanism is arranged at the bottom in the boiler body, and a heat exchange mechanism is arranged in the boiler body. According to the corrosion-resistant boiler structure, the descaling mechanism is arranged in the boiler body, impurities such as water scale settled at the bottom of the boiler can be removed in time, the quality of a water body in the boiler body is effectively guaranteed, high efficiency of heat exchange of the water body of the boiler is achieved through the heat exchange mechanism, and the service life of the boiler is prolonged. And meanwhile, corrosion caused by scale attachment on the heat exchange mechanism is avoided, the side wall of the boiler body can be effectively cooled through the arranged water cooling mechanism, the side wall of the boiler body is protected against high-temperature damage, the influence of scale corrosion in the boiler body can be effectively reduced, and meanwhile the side wall of the boiler body is protected against high-temperature flue gas damage.

The utility model relates to a household appliance for generating steam, which comprises a water tank under atmospheric pressure; a boiler adapted to contain water to be evaporated to a predetermined water level wherein an interior portion of the boiler is divided into a first lower portion, typically occupied by water, and a second upper portion, above the first lower portion, typically occupied by steam; a water level sensor disposed such that at least a portion thereof is located within the second upper portion of the boiler; control means adapted to maintain the water level in the boiler within a predetermined water level range, and adapted to cooperate with said water level sensor, and to operate the means to supply water to deliver an amount of water to the boiler when said water level sensor detects a temperature above a preset threshold. A water level sensor is disposed such that at least a portion thereof is located within the second upper portion of the boiler. In addition, the household appliance further comprises a plate fixed on the bottom surface of the boiler lower cover. Therefore, the water level sensor is not easily covered by incrustation existing in water, so that the service life of the water level sensor is longer.

The utility model relates to the technical field of water vapor cooling treatment, in particular to a cooling device of a water vapor sampler, which comprises a cooling cavity and a cooling pipe arranged in the cooling cavity, the cooling pipe comprises a first liquid inlet pipe, a first liquid outlet pipe, straight pipes and U-shaped pipes, the plurality of U-shaped pipes are sequentially connected with two adjacent straight pipes so that a passage is formed among the plurality of straight pipes, and the first liquid inlet pipe is communicated with the first liquid outlet pipe. The upper end and the lower end of the straight pipe are fixed into the cooling cavity through supporting plates, a scraping plate is arranged on the portion, between the two supporting plates, of the straight pipe through a linear driving piece in an up-down moving mode, and a plurality of through holes corresponding to the straight pipes one to one are formed in the scraping plate in a penetrating mode. A second liquid inlet pipe for introducing a cooling medium and a liquid outlet mechanism are arranged on the outer side wall of the cooling cavity, the cooling pipe is arranged to be a plurality of straight pipes and U-shaped pipes for connecting two adjacent straight pipes, the flowing path of steam and water can be prolonged, cooling is more sufficient, meanwhile, scale and the like on the surfaces of the straight pipes can be scraped off through scrapers, and the cooling efficiency is improved. And the heat exchange effect is prevented from being influenced.

The invention relates to the technical field of energy-saving steam ironing in garment factories, in particular to an energy-saving steam generator capable of automatically removing scale and used for ironing, which comprises a heat preservation tank, a heat preservation inner container is fixedly mounted in the heat preservation tank, and a first spacer ring fixedly sleeves the outer side of the top end of the heat preservation inner container. The inner side of the top end of the heat preservation inner container is fixedly sleeved with a partition plate. After cleaning is finished, water flow is injected into the bottom of an inner cavity of the heat preservation inner container, a main sealing piston plate is pushed to move upwards, the water flow is guided into a fixed pipe through a top notch of a partition plate and finally guided out through a high-temperature-resistant flexible pipe and an air suction ring frame, and the effect of cleaning the high-temperature-resistant flexible pipe and the air suction ring frame is achieved; and finally, after the main sealing piston plate reaches the position, the butt-joint sealing pipe and the fixing pipe are inserted, reset and sealed, the permanent magnet is attracted to the magnetic attraction position at the bottom of the partition plate, and therefore cleaning, resetting and flushing operation of the structure is achieved, and the using effect of the structure is further improved.

The utility model provides a novel constant-temperature valve element capable of reducing water scale and long in service life, and belongs to the technical field of valves. The problems that scale produced between a plunger and a shell of an existing thermostatic valve element made of copper accelerates corrosion of the plunger and the shell, and the overall service life is affected are solved. The novel constant-temperature valve element capable of reducing water scale and long in service life comprises an outer shell, a plunger, a cold water inlet and a hot water inlet, the outer shell and the plunger are both made of copper materials, a plastic inner sleeve for separating the outer shell from the plunger is arranged in the outer shell in a sleeved mode, and the plastic inner sleeve is provided with a cold water through opening and a hot water through opening which are communicated with the cold water inlet and the hot water inlet respectively. Cold water flows into the plunger through the cold water inlet and the cold water through hole, and hot water enters the plastic inner sleeve through the hot water inlet and the hot water through hole and is mixed with the cold water to form cold and hot mixed water. The utility model has the advantages that the scale is reduced, the mutual corrosion and adhesion of the copper plunger and the copper shell are avoided, and the overall service life is prolonged.

This application provides a method, control device, and readable storage medium for prompting descaling, relating to the field of laundry equipment technology. The method reminds users to promptly remove scale buildup caused by prolonged use of the steam care function in a laundry detergent unit with a steam care function, thus improving the effectiveness of the steam care function. The method includes: determining a first parameter value for the operating parameters of the steam care function of the laundry detergent unit; and, in response to the first parameter value satisfying a first trigger condition, controlling the control panel of the laundry detergent unit to display a first prompt message. The first prompt message prompts the user to activate the descaling function of the laundry detergent unit. By using the parameter value of the operating parameters of the steam care function as the condition for activating descaling, the user can be promptly reminded to descaling when the condition is met.

The utility model discloses an ozone disinfection device for drinking water, which relates to the technical field of ozone disinfection and comprises a disinfection box body, a kettle body is mounted in the disinfection box body, the inner wall of the kettle body is connected with an arc-shaped sealing plate in a sliding manner, and two dismounting components are arranged outside the arc-shaped sealing plate. The two dismounting assemblies each comprise a fixing block and a fixing bin, the fixing blocks are fixed to the outer surface of the arc-shaped sealing plate, the fixing bins are fixed to the outer surface of the kettle body, and a sieve plate body is arranged on the inner wall of the kettle body in a sliding mode. Through cooperation of the kettle body, the arc-shaped sealing plate, the dismounting assembly and the opening and closing door, after the opening and closing door is opened, the arc-shaped sealing plate and the sieve plate body can be rapidly dismounted from the interior of the kettle body, the surface of the sieve plate body can be conveniently and regularly cleaned, and the situation that scale is accumulated on the surface of the sieve plate body to fill sieve holes in the sieve plate is avoided; the drinking water discharge efficiency is influenced.

The invention discloses a heating assembly with an anti-scaling function and an instant water heater. The heating assembly with the anti-scaling function has a heating mode and comprises a water inlet pipe communicated with a tap water pipe, a water outlet pipe communicated with a faucet and a shell, a water inlet is formed in the bottom of the shell, and a water outlet is formed in the top of the shell; when the heating assembly stops running, normal-temperature water in the water storage tank is circulated through the diaphragm pump by means of the first branch pipe, and the normal-temperature water and high-temperature water are neutralized through the second branch pipe, so that the water temperature in the heating mechanism is continuously reduced, the water temperature is kept below the temperature which is not prone to scaling, incrustation scale is greatly reduced, and the service life of the heating assembly is prolonged. The inner wall of the heating pipe is kept relatively clean for a long time, the possibility of pipeline blockage is reduced, the heat exchange performance and power stability of the heating assembly in long-term use can be guaranteed, the energy-saving effect is improved, and the service life of the heating assembly is guaranteed.

The invention relates to the technical field of electric water heating boilers, in particular to a coil pipe type electric water heating boiler which comprises a base, a damping seat fixedly installed at the front end of the top of the base, a supporting plate movably installed on the inner side of the damping seat, a boiler shell fixedly installed on the top of the supporting plate, and an inner container fixedly connected to the interior of the boiler shell. A heat conduction coil pipe is fixedly installed in the inner container, a descaling assembly is installed in the inner container and located on the inner side of the heat conduction coil pipe, a filter box is fixedly installed at the rear end of the top of the base, a filter assembly is fixedly installed in the filter box, and a water pump is fixedly installed at the top of the base and located on the right side of the filter box. The boiler has the beneficial effects that scale can be prevented from being deposited on the inner wall and the outer wall of the heat conduction coil pipe through design, the heat conduction efficiency is guaranteed, meanwhile, the working stability of the boiler is improved, the service life of the boiler is effectively prolonged, the loosening frequency of boiler foundation bolts can be reduced, and the maintenance cost is reduced.

The utility model relates to the technical field of electrode boilers, and discloses an anti-scaling electrode boiler which comprises a bottom plate, a filtering tank is fixedly connected to the upper surface of the bottom plate, a water inlet pipe is fixedly connected to one side of the interior of the filtering tank, a first base is fixedly connected to one side of the interior of the filtering tank, a clamping groove is formed in the first base, and a water outlet pipe is fixedly connected to the other side of the interior of the filtering tank. A second base is slidably connected to the inner wall of the first base, a pressing block is slidably connected to the inner wall of the second base, a connecting column is fixedly connected to the lower surface of the pressing block, a sliding block is fixedly connected to one end of the connecting column, a spring is fixedly connected to the upper surface of the sliding block, and one end of the spring is fixedly connected to the lower surface of the pressing block. According to the water purifier, water enters the filtering tank through the water inlet pipe, impurities and calcium and magnesium ions in the water are removed through the filter element, scale can be reduced, the pressing block moves downwards to drive the connecting column to move downwards, then the filter element is rapidly replaced and installed, and the working efficiency is improved.

The utility model discloses a cleaning device and a rubber ball receiving device thereof, the rubber ball receiving device comprises a cylinder body, the cylinder body is provided with a water inlet, a ball containing chamber, a water outlet and a ball outlet, a ball receiving assembly is arranged in the ball containing chamber, the rubber ball receiving device further comprises an energy enhancer, and the energy enhancer is arranged in the ball containing chamber. When energy increased into water by the energy increasing device reaches a certain amount, the crystal form of CaCO3 can be changed to form soft scale (aragonite) which can be taken away by water flow, so that hard scale cannot be generated on the pipe wall of the condenser, and oxygen atoms in the water can be recycled under the condition that certain energy is obtained. And a steel oxidation product of a cooling water system exists in the form of a black magnet layer (Fe3O4), or a copper material in cooling water exists in the form of an oxide of red cuprous oxide (Cu2O), so that further corrosion of equipment can be effectively controlled.

The utility model discloses an electromagnetic heating water dispenser which is characterized in that a shell cavity is formed in a shell, a kettle container opening is formed in the top of a non-magnetized inner container, and a kettle shell opening is formed in the top of the shell; the non-magnetized inner container is fixedly installed in an inner shell cavity of the shell, and the wall body of a kettle container opening and the wall body of a kettle shell opening are tightly connected and fixed. The kettle cover can cover the kettle shell opening and / or the kettle liner opening in an openable manner; a master control circuit board is fixed at the inner bottom of the shell cavity; the electromagnetic heating generation device is fixed to the lower section of the exterior of the non-magnetized inner container in a surrounding mode. An inner container magnetized ring device is arranged on the inner lower section wall of the non-magnetized inner container; a function operation controller is fixed to the outer wall of the shell in a protruding mode, an electric water outlet device is connected between the function operation controller and the bottom of the non-magnetized inner container, and a water outlet nozzle of the electric water outlet device is located at the bottom of the function operation controller. The product has the advantages of wide heating area, high water heating efficiency, no scorching and dry burning phenomena, no adhesion and precipitation of scale, convenience in arrangement of a water outlet nozzle structure and reduction of the complexity of structural design.

A main body and a steam iron brush provided by the present invention relate to the technical field of ironing equipment, and to solve to a certain extent the technical problem that scale in the vaporization cavity of the main body cannot be discharged, resulting in blockage of the air outlet of the main body and affecting the ironing effect. The main body provided by the present invention, for use in a steam iron brush, comprises a housing, a water inlet pipe, a vaporization cover and a heating element; the heating element is arranged in the housing, the vaporization cover is covered at the end of the heating element along the length direction of the heating element, and forms a first vaporization cavity with the heating element; the water inlet pipe is arranged in the housing, and one end of the water inlet pipe is communicated with the first vaporization cavity; an air outlet is formed at one end of the housing, one end of the air outlet is communicated with the exhaust port of the first vaporization cavity, the side wall on one side of the air outlet and the side wall on one side of the exhaust port are arranged in a stepped manner, and the height difference between the side wall on one side of the air outlet and the side wall on one side of the exhaust port is not greater than 4 mm.

The utility model provides an incrustation removing structure for a commercial heat pump water heater, relates to the field of heat pump water heater accessory maintenance, and solves the problems that incrustation is generated in the existing scraping assembly along with the supply of water, and the incrustation is difficult to remove when the existing incrustation is removed. The problems that in the prior art, water scale attached to the inner wall of a water tank needs to be manually removed by going deep into the water tank manually, inconvenience is caused due to the fact that the water scale needs to go deep into the water tank in the removing process, and secondary pollution is prone to being caused to the water tank are solved by arranging a scraping assembly fixedly connected to the bottom end face of a transmission assembly; and when the scraping assembly moves along the inner wall of the circulating mechanism along with the transmission assembly, the scraping assembly can make contact with the inner wall of the circulating assembly to achieve rapid scraping and removing operation on scale on the inner wall of the circulating mechanism, and then the purpose of being more practical is achieved.

The invention relates to the technical field of descaling of steam-injection boilers in oil fields, in particular to a descaling method for recycling and purifying sewage of a steam-injection boiler, which comprises the following steps: on the basis of a hydrochemistry theory, establishing a function relationship of existence states of minerals, on the basis of a hydrolysis reaction, establishing a dynamic model, and on the basis of a process flow of the steam-injection boiler and the dynamic model, calculating a descaling result of the steam-injection boiler. And the scale layer type of the scale is judged, and according to the scale layer type of the scale, based on the dynamic model, the hydrolysis reaction and the field operation parameters, a relation schematic diagram of different types of scale layers is fitted. Based on a dissolution theory based on key factors such as mineral dissolution balance, fluid mixing parameters, gas separation caused by pressure drop or boiling, interaction of organic matters and inorganic matters and the like, boiler scale is eliminated by adopting flushing and soaking methods after the scale type of the boiler tube is pre-judged, so that the maintenance workload is reduced, the production cost is reduced, and the production efficiency is improved. And the running time rate is improved, and the method has a relatively good application prospect in production.

The invention belongs to the technical field of pipeline cleaning, and particularly relates to a pipeline scale removing device for a warm water heater, which comprises a pipe body, and a self-adaptive guide mechanism, a liquid spraying assembly, a cleaning mechanism and a propelling mechanism are sequentially arranged on the pipe body from front to back; the self-adaptive guide mechanism is arranged in the pipeline and used for adapting to pipelines with different pipe diameters, the liquid spraying assembly is used for spraying liquid medicine or liquid to the inner wall of the pipeline, the cleaning mechanism is used for removing scale on the inner wall of the pipeline, and the propelling mechanism is used for enabling the pipeline scale removing device to move in the pipeline; the cleaning mechanism comprises a cleaning assembly, a coupling piece and a driving assembly, the cleaning assembly is arranged on the outer wall of the pipeline, the driving assembly is arranged in the pipe body, and the driving assembly is in transmission fit with the cleaning assembly through the coupling piece. According to the device, automatic advancing, rotary cleaning and liquid medicine spraying of the device in a pipeline are achieved, descaling operation is completed at a time, the cleaning efficiency is remarkably improved, and the labor cost and the labor intensity are reduced.

The invention relates to the field of heat exchangers, and discloses a heat exchanger convenient for cleaning internal dirt, which comprises a shell structure, the shell structure comprises a shell side, a hot water inlet pipe is arranged at one end of the top of the shell side, a hot water outlet pipe is arranged at one end of the bottom of the shell side, and a cold water inlet pipe is arranged at the top of the shell side. A shell pass is arranged at one end of the top of the inner water pipe, a cold water outlet pipe is arranged at the other end of the top of the shell pass, a baffle is arranged at the other end of the shell pass, the baffle is of a hollow interlayer design, and a hand wheel is arranged on one side of the baffle. And internal cleaning can be carried out under the condition that the machine is not stopped. A user only needs to rotate the hand wheel, the scraping plate can be driven to scrape the outer wall of the inner water pipe, and attached water scales are effectively removed. The cleaning efficiency and thoroughness are improved, the service life of the heat exchanger is prolonged, and meanwhile the stability of the heat exchange efficiency is guaranteed.