87 results about "Descaling agent" patented technology

The invention relates to the technical field of water treatment, in particular to a self-adaptive desalting and recycling treatment device for high-silicon and high-salinity wastewater, which comprises a membrane desalting device, a descaling and dosing device positioned in front of the membrane desalting device, a collection and storage integrated module, a data collection module, an operation analysis module and a dynamic regulation and control module, the operation analysis module corrects the operation mode according to the historical incoming water volume data and the operation mode of the membrane desalination device in combination with the previous incoming water volume data; the dynamic regulation and control module adjusts the dosage of a descaling agent according to the current incoming water quality data, and determines the working state of the data acquisition module according to the pipeline basic data so as to determine the self-regulation mode of the membrane desalination device; the problem that the quality and quantity of high-silicon and high-salt wastewater are unstable due to changes of a front-end production process is solved, automatic switching of the running state of the membrane desalting device and dynamic adjustment of running data are achieved, then impact of the wastewater on a membrane is reduced, the membrane cleaning period is prolonged, and the running stability of the membrane desalting device is improved.

The invention relates to the technical field of process optimization, in particular to a preparation process optimization method and system for an organic descaling agent, and the method comprises the steps: obtaining raw material characteristic data, formula parameters and reaction condition parameters of a to-be-optimized preparation process; wherein the formula parameters comprise a plurality of reaction stages, an optimal process path of each reaction stage and a preset regulation and control node corresponding to the optimal process path, and the preset regulation and control node is set as a reaction turning point; based on the raw material characteristic data and the reaction condition parameters, parameter sensitivity distribution in the preparation process is calculated through reaction kinetics simulation, and the influence range of technological parameters is determined according to a parameter coupling model. According to the present invention, by carrying out the multi-stage process path optimization on the reaction process, the most suitable optimization measure can be adopted according to the reaction characteristic of each stage, such that the reaction efficiency of each stage is improved, and the unnecessary energy consumption and the raw material waste during the reaction process are reduced.

The ultrahigh-pressure pulse descaling system comprises a kettle body and a cleaning device, the kettle body is provided with a cleaning opening capable of being closed, the cleaning device comprises a water pump, a pipeline, a sprayer and a plugging device, the water pump is communicated with the sprayer through the pipeline, the pipeline penetrates through the cleaning opening so that the sprayer can stretch into the kettle body, and the plugging device is arranged in the kettle body. The sprayer is provided with a plurality of water outlet holes and is rotationally connected with the pipeline, the water pump conveys a descaling agent into the sprayer through the pipeline, the sprayer can rotate under the action of the descaling agent, and the plugging device is arranged on the pipeline and used for plugging the cleaning opening. Compared with the prior art, the ultrahigh-pressure pulse descaling system of the high-pressure reaction kettle provided by the invention has the advantages that the water pump is used for pushing the descaling agent to flow at a high speed so as to push the sprayer to rotate, and meanwhile, the descaling agent is sprayed from the sprayer, sprayed in all directions in the high-pressure reaction kettle and uniformly covers scale at all positions of the inner wall; and a blind area which is not sprayed by the descaling agent is eliminated, and the descaling operation effect is improved.

The utility model discloses a gasified hydrogen peroxide supply device which comprises an evaporator, a hydrogen peroxide supply pipeline, a sterile air supply pipeline for atomization and a sterile hot air supply pipeline for gasification. The hydrogen peroxide supply pipeline and the sterile air supply pipeline for atomization are connected with the mist input end of the evaporator, the sterile hot air supply pipeline for gasification is connected with the hot air input end of the evaporator, and the gasified hydrogen peroxide supply device further comprises a descaling pipeline. The hydrogen peroxide evaporation path is covered with the descaling agent conveying path, it is guaranteed that the descaling agent makes contact with all dirt, the dirt is removed along the original gasified hydrogen peroxide generation path, the heat conduction efficiency of the evaporator is maintained, and the gasification quality of the whole gasified hydrogen peroxide supply device is guaranteed.

The invention provides a method for harmlessly discharging high-salt flowback liquid wastewater and producing a byproduct sodium hypochlorite, and relates to the field of wastewater recycling. The method comprises the following steps: mixing high-salt flowback fluid wastewater with a liquid gel breaker, and carrying out micro-nano bubble aeration treatment to obtain gel-broken viscosity-reduced wastewater; the method comprises the following steps: mixing gel-breaking viscosity-reducing wastewater with a sodium-containing impurity removal agent A, and reacting to obtain primary hardness and impurity removal clear liquid; mixing the primary hardness and impurity removal clear liquid with alkali liquor, and performing ozone nano-bubble treatment to obtain organic matter removal clear liquid; mixing the organic matter removal clear liquid with a sodium-containing impurity removal agent B, and reacting to obtain secondary hardness and impurity removal clear liquid; and filtering the secondary hardness and impurity removal clear liquid through activated carbon, evaporating and concentrating to obtain a sodium chloride solution, and electrolyzing the sodium chloride solution to obtain a sodium hypochlorite solution. According to the method, chloride ions are converted into the sodium hypochlorite solution, and resource utilization is achieved; the treatment pressure of the high-salt flowback fluid can be effectively relieved, and an effective way is found for resource utilization of the high-salt calcium wastewater.

The invention belongs to the technical field of well wall maintenance, and particularly relates to a well wall descaling and derusting device and method. The well wall descaling and derusting device comprises a hollow pipe; the ultrasonic thickness gauge is arranged on the hollow pipe; the spraying mechanism is arranged at the lower end part of the hollow pipe and is connected with a chemical scale remover barrel and a chemical rust remover barrel; the plugging bridge plug is arranged at the lower end part of the injection mechanism, and the plugging bridge plug is constructed to be capable of repeatedly plugging the well wall; and a data analysis module, wherein the ultrasonic thickness gauge, the injection mechanism and the plugging bridge plug are electrically connected with the data analysis module.

The invention discloses a scale dissolving agent for rapidly dissolving wet-process phosphoric acid scaling substances as well as a preparation method and application of the scale dissolving agent, and belongs to the technical field of descaling. The scale dissolving agent comprises the following components in percentage by weight: 20-30% of a scale remover, 3-5% of a penetrating agent, 0.3-0.8% of a penetrating aid, 0.5-1% of a surfactant, 0.3-0.5% of a synergist and the balance of water, wherein the descaling agent comprises trisodium citrate dehydrate, sodium ethylene diamine tetracetate and ammonium fluoride; the penetrating agent is prepared from dioctyl sodium sulfosuccinate and perfluoroalkyl ethyl acrylate; the permeation auxiliary agent comprises disodium hydrogen phosphate and sodium carbonate; and the synergist is 1-ethyl-3-methylimidazolium acetate. The scale dissolving agent is specially used for dissolving wet-process phosphoric acid scaling substances and has the advantages of being high in scale dissolving speed, mild in reaction condition, low in formula cost and the like, the pH value of the scale dissolving agent is neutral and slightly alkalescent, and corrosion to production equipment is effectively avoided.

Using the systems and methods disclosed herein, components of a dishwasher are automatically descaled. Automatic descaling logic injects a descaling agent into the dishwasher. When the automatic descaling process begins, the descaling agent is pumped into the water tank of the dishwasher. Water is added to the disincrustant, and the temperature of the water / disincrustant mixture is increased to a predetermined temperature by a heater. After reaching the predetermined temperature, the mixture is maintained in the tank for a predetermined period of time, allowing the detergent to act on the surface of the tank. After the predetermined period of time has elapsed, the mixture is moved from the water tank to a wash tank. A wash cycle is initiated such that the mixture is applied to the surface of the wash tank.

The invention discloses a descaling and anti-blocking flowmeter and method, and belongs to the technical field of flowmeters.The descaling and anti-blocking flowmeter comprises a flowmeter body and a descaling assembly, one side of the flowmeter body is connected with a liquid inlet pipe, the other side of the flowmeter body is provided with a liquid outlet pipe, and the descaling assembly is arranged at the lower end of the liquid inlet pipe; and the descaling assembly comprises a recycling pipe, a water tank, a pump body, a water conveying pipe, a water injection pipe, a blow-down valve, a non-woven fabric filter plate, an activated carbon filter plate and an electric heating wire, the bottom of the liquid inlet pipe is connected with the recycling pipe, and the water tank is fixed to one end of the recycling pipe. When dirt accumulated in the flow meter body needs to be removed, cleaning liquid mixed with a descaling agent is added into the water tank through the water injection pipe, the pump body conveys the cleaning liquid into the liquid outlet pipe through the water conveying pipe during cleaning, and after the descaling agent dissolves the dirt in the flow meter body, the cleaning liquid flows into the liquid outlet pipe through the water conveying pipe. And the water flows back into the water tank through the liquid inlet pipe and the recovery pipe.

This application relates to the field of chemical equipment maintenance, and particularly to a cleaning method for a hollow paddle cooler. The hollow paddle cooler has rotary joints at both ends. The method includes: fixing the elbows connected to the rotary joints upwards; adding descaling agent to the rotary joints until the liquid level reaches a preset height, then continuously adding descaling agent to the rotary joints via high-level discharge, allowing it to stand, and then rotating the hollow paddle cooler to initially corrode the scale inside the hollow paddle cooler; after the initial cleaning is completed, circulating the descaling agent within the hollow paddle cooler and starting the hollow paddle cooler; determining whether to stop the machine based on the descaling agent outflow from the hollow shaft of the hollow paddle cooler; if so, stopping the machine to complete the cleaning of the hollow paddle cooler; this method avoids the inconvenience of disassembling the main shaft for cleaning and allows for a relatively quick restoration of the equipment's cooling capacity.

The utility model relates to efficient scaling-free steam generator equipment, and relates to the related technical field of steam heating. The device comprises a furnace body, a heating assembly, a liquid inlet pipeline, a sealing plate, an exhaust port, a descaling agent storage barrel, a descaling agent spraying unit, an ultrasonic generation device and a waste discharge pipeline. According to the efficient scaling-free steam generator equipment, a descaling agent in the descaling agent storage barrel is injected into the furnace body through the descaling agent spraying unit, stubborn scale is softened, and the descaling agent generates high-frequency vibration through the ultrasonic generating device; dirt on the inner wall of the furnace body and the periphery of the heating assembly can be softened and fall off due to high-frequency vibration of the descaling agent and is discharged through the waste discharge pipeline, and therefore the descaling efficiency of the furnace body and the heating assembly is effectively guaranteed.

The application discloses an expansion water tank for a dual-purpose stove, which comprises a tank body (81), and the inside of the tank body (81) is provided with a liquid cavity (810b) for containing and supplementing the expansion and contraction amount of circulating water in a circulating loop, and is characterized in that the tank body (81) is provided with a descaling agent supply channel (8130), the inlet of the descaling agent supply channel (8130) is connected with a descaling agent storage box (83), the outlet of the descaling agent supply channel (8130) is communicated with the liquid cavity (810b), and the descaling agent supply channel (8130) is provided with a valve (84) for controlling the opening and closing of the descaling agent supply channel (8130). The application further discloses a dual-purpose stove provided with the expansion water tank. Compared with the prior art, the expansion water tank for the dual-purpose stove is convenient for descaling the circulating water path.

The utility model discloses a descaling and filtering comprehensive treatment device for a cooling water tower, which comprises a treatment cylinder, a filtering mechanism is arranged on the inner wall of the treatment cylinder, auxiliary mechanisms are arranged on the filtering mechanism and the treatment cylinder, and a detection mechanism is mounted on one side of the treatment cylinder. A descaling agent can be actively added into cooling water, so that the descaling agent is in full contact with scale components in the water and is subjected to chemical reaction, and meanwhile, a detection mechanism is arranged in a treatment barrel, so that water quality parameters of the cooling water can be monitored online in real time, an operator can know the water quality condition in time, and it is ensured that the cooling water is in the optimal water quality state all the time; the operation efficiency and reliability of the cooling water tower are improved, various impurities in cooling water can be more effectively removed through the filtering mechanism arranged in the treatment barrel, and therefore water scale formation is reduced, and the heat dissipation efficiency of the cooling water tower and the operation stability of equipment are improved.

The bar counter machine comprises a shell and a water storage inner container fixed in the shell, a feeding port is formed in the top of the water storage inner container, the feeding port is sealed through a sealing plug, a water discharging port is formed in the bottom of the water storage inner container and sealed through a water discharging plug, the feeding port is formed in the shell, and the water discharging plug is arranged in the shell. An operation window is formed in the top of the shell, a sealing plate is arranged below the operation window, and the sealing plate moves to be used for sealing or opening the operation window. The descaling device has the advantages that the possibility of misoperation is reduced, water containing the descaling agent is prevented from being drunk by mistake in the descaling process, and the use safety is improved.

The invention relates to an ultra-high pressure pulse descaling system for an autoclave, comprising the autoclave body and the cleaning device, wherein the autoclave body has a closable cleaning port, and the cleaning device comprises a water pump, a pipeline, a sprayer and a blocking device. The water pump is connected to the sprayer through a pipeline, and the pipeline passes through the cleaning port to allow the sprayer to extend into the autoclave body. The sprayer has multiple water outlets and is rotatably connected to the pipeline. The water pump transports the descaling agent into the sprayer through the pipeline. The sprayer can rotate under the action of the descaling agent. The blocking device is arranged on the pipeline to block the cleaning port. Compared with the prior art, the ultra-high-pressure pulse descaling system for autoclaves provided by the present invention utilizes a water pump to drive the descaling agent to flow at a high speed, thereby driving the sprayer to rotate. At the same time, the descaling agent is sprayed out from the sprayer and sprayed in all directions in the autoclave, evenly covering the scale on the inner wall, eliminating the blind areas that are not sprayed by the descaling agent and improving the effect of the descaling operation.

The application relates to the technical field of a shell-and-tube condenser, in particular to a condensing device of a shell-and-tube condenser, which comprises a condensing pipe, a quantitative feeding mechanism is arranged at a liquid inlet of the condensing pipe; the quantitative feeding mechanism comprises a feeding pipe communicated with the condensing pipe; an upper end surface of the feeding pipe is provided with a sliding plate; the sliding plate is slidably connected with a feeding barrel driven by a first driving mechanism; a medicine discharging assembly is arranged in the feeding barrel; a lower end surface of the feeding barrel is provided with a first abutting plate capable of abutting against the sliding plate; a medicine discharging barrel is fixedly arranged on the condensing pipe, a lower end surface of the medicine discharging barrel is provided with a medicine discharging opening; an upper end surface of the feeding barrel is provided with a second abutting plate abutting against the lower end surface of the medicine discharging barrel. The quantitative feeding mechanism cooperates with the first driving mechanism driven by fluid to realize dynamic quantitative feeding of the descaling agent according to flow, and the problems of scaling and feeding control are solved.

Method for descaling a fluid flow system as an automatically running process in a beverage maker, wherein a first quantity of the descaling agent (2) provided as a saturated solution in a storage container (1) is dispensed into the flow system in a first time interval for a first time period, characterized in that at least a further quantity of the descaling agent (2) provided as a saturated solution in the storage container (1) is dispensed into the flow system in a further time interval for a further time period, wherein the first quantity of the descaling agent (2) is dosed less than the further quantity.

The utility model discloses an internal descaling device for industrial boilers, which comprises a boiler main body, a driving motor is mounted on the surface of one side of the boiler main body, the output end of the driving motor is fixedly connected with a rotating support through a rotating shaft, and a descaling brush plate is mounted at one end of the rotating support. A detachable structure is arranged between the descaling brush plate and the rotating support, a detachable structure is arranged between the rotating support and the rotating shaft, a liquid inlet notch and a descaling agent inlet pipe are arranged on the surface of the upper end of the boiler body, and a waste liquid discharge pipe is installed at the lower end of the boiler body. According to the utility model, the descaling brush plate and the rotary bracket structure which can be conveniently mounted and dismounted are arranged in the industrial boiler, so that the inner wall of the boiler can be continuously brushed by injecting cleaning water and a descaling agent into the boiler and controlling the descaling brush plate through the driving motor, and dirt on the surface of the boiler can be thoroughly cleaned; and finally, sewage after cleaning can be discharged.

The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle cleaning device and a reaction kettle. The reaction kettle cleaning device comprises an inner cylinder, an outer cylinder, a plurality of sealing plates and a plurality of air bags, the inner cylinder is rotatably arranged in the kettle body, the inner cylinder is externally connected with an air source, the outer cylinder is arranged outside the inner cylinder in a sleeving mode and fixedly connected with the inner cylinder, the outer wall of the outer cylinder is provided with a plurality of openings evenly formed in the circumferential direction of the outer cylinder, and the sealing plates are located outside the outer cylinder; the sealing plates move relative to the corresponding openings, one sides of the air bags are fixedly connected with the sealing plates, and the other sides of the air bags are fixedly connected with the outer wall of the inner cylinder and communicate with the inner cylinder; when scale on the inner wall of the reaction kettle needs to be cleaned, the air bag expands towards the outside of the outer barrel, the corresponding sealing plate moves in the direction away from the opening until the sealing plate gradually occupies the inner cavity of the kettle body, at the moment, most of the inner cavity of the kettle body is occupied by the air bag, the inner actual space of the kettle body is effectively reduced, and the service life of the kettle body is prolonged. And only a small amount of the descaling agent needs to be poured, so that the cost is reduced.

The invention discloses a water boiler descaling agent residual liquid collecting container, a using device and a working method, belongs to the technical field of descaling of water boilers, and solves the problems that a water tank of a water boiler is manually detached and cleaned, manpower and time are consumed, and the cleaning efficiency is high. And meanwhile, the connection sealing performance between the water tank and each structure of the water boiler is poor in the dismounting process. A space exists in the detection cavity, the top surface and the bottom surface of the detection cavity are open, the area of a top opening of the detection cavity is larger than that of a bottom opening of the detection cavity, and an upper drainage hole is formed in the side wall of the detection cavity. The cleaning device can automatically clean scale on the inner wall of the water tank of the water boiler, the water tank and other structures do not need to be disassembled in the whole process, it can be ensured that no acid liquor or alkali liquor is left on the inner wall of the cleaned water tank, meanwhile, it can be ensured that the pH value is stable, and the cleaning efficiency is improved. The sealing performance of each structure in the water boiler is ensured not to be damaged due to disassembly and cleaning, and meanwhile, manpower is not consumed.

The utility model provides a kind of automatic descaling device for pipeline, at least includes: descaling agent tank, liquid-adding metering pump, dilution flushing tank, flushing circulating pump and control system;The descaling agent tank is used to store descaling agent stock solution, with stock solution filling port and stock solution discharge port;The liquid-adding metering pump is set to the stock solution discharge port, and descaling agent stock solution is transported to downstream by pipeline;The dilution flushing tank has the first inlet connected with water source by electric stop valve, the second inlet connected with the liquid-adding metering pump outlet, and dilution liquid outlet;One end of the flushing circulating pump is connected with the dilution liquid outlet by pipeline, and the other end is used to be connected with the pipeline to be cleaned;The control system controls the liquid-adding metering pump and the electric stop valve to open, and water and descaling agent stock solution are mixed to form descaling agent dilution after entering the dilution flushing tank, and then the flushing circulating pump is controlled to open, and the pipeline to be flushed is flushed and descaled using descaling agent dilution.

The utility model discloses an efficient heat exchanger, which belongs to the technical field of heat exchangers and comprises a protection box, a supporting seat is arranged at the bottom of the protection box, a protection door is arranged on the surface of the protection box, a heat exchange box is arranged in the protection box, a temperature detection component is arranged on the surface of the heat exchange box, and a heat exchange tube is arranged in the heat exchange box. One end of the heat exchange pipe is connected with a gas conveying and filtering assembly, a descaling assembly is arranged on one side of the heat exchange box, and a filtering assembly is arranged at a drainage pipe of the heat exchange box. By arranging the descaling assembly, when the interior of the heat exchange box needs to be descaled, the conveying pump is started to pump a diluted hydrochloric acid descaling agent into the heat exchange box, and then the aeration assembly is started to enable water in the heat exchange box to be turned over, so that the water in the heat exchange box can be completely mixed with the diluted hydrochloric acid descaling agent; and then scale in the heat exchange box can be dissolved after being soaked in the diluted hydrochloric acid descaling agent, so that the situation that the scale is condensed on the surface of the heat exchange pipe to affect heat exchange is avoided.

The invention discloses a water outlet device which comprises a water outlet piece and a plugging piece. The water outlet piece is provided with a water outlet cavity, a water outlet hole and a descaling cavity, the water outlet cavity is suitable for being communicated with the water outlet hole, the descaling cavity is suitable for storing a descaling agent, the descaling cavity is provided with a release hole, the release hole is suitable for being communicated with the water outlet cavity, water enters the descaling cavity, and after the descaling agent acts, scale is decomposed, and scale accumulation is prevented; the blocking piece is suitable for moving to block the release hole when water flows through the water outlet piece, water is prevented from entering the descaling cavity, the descaling agent is prevented from being brought out, the body health of a user is not affected, and waste is reduced. When the water outlet piece stops water, the water outlet piece moves to open the release hole, so that water is allowed to enter the descaling cavity, and the descaling effect is achieved.

The invention discloses a recoverable environment-friendly water purifying agent and a preparation method thereof, and relates to the technical field of preparation of recoverable environment-friendly water purifying agents. The recyclable environment-friendly water purifying agent is prepared from, by weight, 3-5 g of activated carbon, 2-5 g of calcium aluminate powder, 4-5 g of inorganic high-molecular polymer, 4-5 g of ion exchange resin, 2-4 g of PH regulator, 4-6 g of descaling agent and 2-6 g of aluminum oxide powder. According to the recyclable environment-friendly water purifying agent and the preparation method thereof, impurities in sewage are adsorbed through activated carbon, meanwhile, colors in the sewage can be removed, sewage treatment is not affected, an ion exchange resin membrane on the surface of the recyclable environment-friendly water purifying agent can remove ionic pollutants dissolved in the sewage, and the recyclable environment-friendly water purifying agent is environmentally friendly. Meanwhile, the recyclable environment-friendly water purifying agent is arranged to be of a spherical structure, sewage can be subjected to multi-layer treatment when the recyclable environment-friendly water purifying agent settles, and the used recyclable environment-friendly water purifying agent can be conveniently recycled.

The invention discloses a filter disc descaling agent, belongs to the technical field of chemical cleaning agents, and is used for solving the problems that some detergents in the current market are not environment-friendly and unsafe to operate although having a certain descaling effect. The cleaning agent is composed of the following components in percentage by concentration range: 10-15% of organic acid; 10-15% of linear organic alcohol ether; 2-6% of a water softener; 2-6% of a surfactant; and 55-70% of water. The invention provides the filter disc descaling agent, the dosage form of the filter disc descaling agent is FCH-233, and the filter disc descaling agent can effectively clean scale and adhesion of paint mist, has the characteristics of being safe to operate and safe to the environment, and does not contain phosphorus and halogenated hydrocarbon.

This invention discloses a water-cooled circulation device for wind turbine generators with internal scale-cleaning function. The invention relates to the field of wind power generation technology and includes a frame. A housing is fixedly installed on the top of the frame, and a rotating shaft is rotatably installed at the center of one side of the outer surface of the housing. An inner cover is fixedly installed inside the housing. This water-cooled circulation device for wind turbine generators with internal scale-cleaning function works by mixing coolant and a descaling agent. The descaling agent treats the scale formed on the inner wall of the cavity, dissolving it through a reaction. Then, a water pump installed outside the housing draws the coolant. During coolant extraction, a cleaning component rotates inside the housing due to the suction force of the pump, rubbing against the inner wall of the housing to clean the drainage area and prevent dead zones during coolant extraction. This also prevents impurities from the coolant reacting with scale from settling inside the housing.

The invention discloses an efficient supramolecular barium sulfate scale remover which comprises the following components in parts by mass: 5-50 parts of crown ether modified sodium lignin sulfonate; 5 to 50 parts of hydroxyethylidene diphosphonic acid; 5-50 parts of a synergist; 5-42 parts of a pH regulator; the invention is suitable for the technical field of oilfield applied chemistry and environmental protection, the invention provides the preparation method of the supramolecular barium sulfate scale remover which is low in synthesis cost and high in scale dissolving rate, and the preparation method is simple in synthesis process, easy to operate, mild in reaction condition, low in cost and high in scale dissolving rate. The use of toxic and harmful organic solvents is effectively avoided, and meanwhile, the energy consumption is reduced, so that the method is a green and environment-friendly preparation process.

The present application relates to the technical field of scale removal, and discloses a scale removal device for electric kettle, which comprises a base, a supporting rod is slidably connected to the inner wall of the top of the base, a clamping device is arranged on the inner wall of the supporting rod, a cleaning device is arranged on the top of the base, a pushing device is arranged on the surface of the cleaning device, and a blocking device is arranged on the surface of the cleaning device. The phosphoric acid descaling agent can be sprayed out of the through hole on the surface of the pressing valve and used for descaling and softening the scale on the inner wall of the kettle, which facilitates the subsequent scraping of the scale, reduces the shaking of the kettle during scale removal, improves the stability of the kettle and the scraping effect of the scale inside the kettle, the clamping plate is gathered and used for clamping and fixing the kettle, the stability of the kettle during scale removal is further improved, and the operator does not need to manually press the limit, so that the safety of the device is improved.

The invention discloses a sterilizing and descaling system of an intelligent closestool and a control method, and belongs to the technical field of intelligent bathroom equipment. The system comprises a water tank connected with a water source through an electromagnetic valve, a second liquid pump, an instant heater, a multi-position switching valve and a descaling liquid tank with a liquid inlet and a liquid outlet. The outlet of the heater is connected with the inlet of the multi-position switching valve; a second working position outlet of the valve is connected with the water return tank through a descaling loop; an inlet of the first liquid pump is connected with a liquid outlet of the descaling liquid tank; the controller at least executes a descaling mode: responding to an instruction to control the water tank to drain water to a reserved water amount; controlling a first liquid pump to extract a descaling agent and inject the descaling agent into a water tank; and the second liquid pump and the heater are controlled to work, and the multi-position switching valve is switched to a second working position, so that liquid in the water tank circularly flows for the first time along a closed path formed by the water tank, the second liquid pump, the heater, the multi-position switching valve and the descaling loop. According to the invention, automatic proportioning and circulating descaling of the descaling agent are realized, and manual operation is reduced.

The invention discloses a novel steam generator capable of generating high-saturation steam, and relates to the technical field of steam generation, the novel steam generator comprises a generator shell and a supporting base, an exhaust pipe is fixedly inserted in the top end of the generator shell, the bottom end of the exhaust pipe is connected with a heating structure, and a plurality of electric heaters are automatically cleaned. According to the electric heater scale removing device, scale on the outer sides of a plurality of electric heaters can be rapidly and conveniently removed, and through cooperation of a first flow guide box, a flow control assembly, a plurality of second flow guide boxes, a plurality of hydraulic expansion pieces, a liquid supply assembly and other structures, on the premise that a small amount of scale remover is added, soaking softening and scraping work of the scale on the outer sides of the electric heaters can be achieved; scale removal work on the outer sides of the multiple electric heaters is completed in a self-labor-saving mode.