164 results about "Descaling agent" patented technology

The invention provides a composite synergistic system for a shale gas old well and an immovable string production increasing process. The composite synergistic system mainly comprises the following substances: 10-12% of a wetting improver; 4%-6% of a scale remover; 2%-3% of a scale inhibition dispersant; 5%-10% of a resistance-reducing discharge aiding agent; 15%-20% of a synergistic accelerant; the wetting improver is a mixture of alkyl polyglucoside, an anionic surfactant sodium dodecyl benzene sulfonate and deionized water, the content of the alkyl polyglucoside in the wetting improver is 5%-10%, and the content of the anionic surfactant sodium dodecyl benzene sulfonate is 15%-18%; the descaling agent is a mixture of sodium alpha-olefin sulfonate and nonylphenol polyoxyethylene ether ammonium sulfate, and the mass ratio of the sodium alpha-olefin sulfonate to the nonylphenol polyoxyethylene ether ammonium sulfate in the descaling agent is (2: 1)-(3: 1). According to the composite synergistic system, through combination and reuse of different materials and different doses, the multifunctional composite synergistic system integrating vibration, permeation and dispersion effects is researched and developed, and therefore immovable tubular column yield increase construction of a shale gas old well is achieved.

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 utility model relates to the technical field of water boiling machines, and provides a water boiling machine with a built-in descaling instrument, which comprises a water boiling machine shell and a water boiling machine inner container, and a quick connection normally closed solenoid valve, a water inlet solenoid valve, a water mixing quick connection tee joint and a storage tank are respectively arranged between the water boiling machine shell and the water boiling machine inner container. The storage tank and the quick-connection normally-closed solenoid valve are jointly and fixedly connected with a descaling agent conveying pipe, the water inlet solenoid valve is fixedly connected with a water inlet pipe, the storage tank, the water mixing quick-connection tee joint and other structures are arranged, a descaling agent is arranged in the storage tank, the quick-connection normally-closed solenoid valve, the water inlet solenoid valve and the water drainage solenoid valve are accurately controlled, and the descaling agent conveying pipe is connected with the water inlet pipe. By means of the technical scheme, automatic regular descaling of the device is achieved, the additional installation cost of the water purification filtering device is avoided, the high efficiency and quality of descaling operation are guaranteed, regular descaling is conducted, the descaling quality and efficiency are guaranteed, and the problems that in the prior art, cost is low, and practicability is poor are solved.

The invention relates to the technical field of oil and gas field development, in particular to a descaling agent for removing composite scale and a preparation method thereof.The descaling agent comprises a biological activator and a bio-based chelating descaling composition, and the bio-based chelating descaling composition comprises an organic scale dissolving agent and an inorganic scale dissolving agent; the organic scale dissolving agent comprises a biological surfactant and a biological enzyme; the mass ratio of the biological activator to the bio-based chelating descaling composition is (1-3): (3-1). According to the scale remover and the preparation method thereof, the problems that the mass transfer efficiency is low and the scale remover is difficult to permeate into the deep part of composite scale can be effectively solved.

Substance dispenser (1) for temporarily placement on a flush bowl (100), comprising a flexible connecting part (21) including a layer of film material (20) defining a first surface, in particular a rear surface. The first surface is provided with a first adhesive (31) for temporary connecting said connecting part to a rim of the flush bowl. The substance dispenser further comprises a handle part (22), connected to the connecting part (21) at or near a first end region of said connecting part, for handling the substance dispenser (1) during placement on the flush bowl (100) and for handling the substance dispenser (1) during removal from the flush bowl (100). Further, the substance dispenser comprises a substance holder (50) holding a substance. In particular, the substance may comprise a cleaning agent, disinfectant, air freshener, and / or a descaling agent. The substance holder (50) is connected to the connecting part (21) at or near a second end region of said connecting part.

The utility model provides an integrated tubular heat exchanger which comprises a shell, and the shell is provided with a hot fluid inlet pipe, a cold fluid inlet pipe, a hot fluid outlet pipe and a cold fluid outlet pipe, ultrasonic waves are generated through the ultrasonic generator and then transmitted to the first heat exchange pipeline and the second heat exchange pipeline of the radiating surface of the ultrasonic transducer through the ultrasonic transmission cable, so that fluid in the first heat exchange pipeline and the second heat exchange pipeline generates bubbles; impact waves generated by the bubbles enable scale layers and impurities on the inner walls of the first heat exchange pipeline and the second heat exchange pipeline to be effectively impacted, broken and disengaged, and therefore descaling of the inner walls of the first heat exchange pipeline and the second heat exchange pipeline is achieved; and meanwhile, a dosing pipe is arranged, so that a descaling agent is convenient to put, ultrasonic waves are matched for deep descaling, corrosion and damage of a scale layer and impurity accumulation to a pipeline are prevented, the heat exchange efficiency of the heat exchanger is improved, energy consumption is reduced, the operation efficiency of the whole heat exchanger is improved, and the service life of the heat exchanger is prolonged.

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 invention provides nylon 12 modified plastic as well as a preparation method and application thereof. The preparation raw materials comprise 60-98 wt% of nylon 12, 0-14 wt% of a liquid plasticizer, 1-20 wt% of a solid toughening agent, 0.1-1 wt% of a solid antioxidant, 0.1-1 wt% of a heat stabilizer, 0-1 wt% of a light stabilizer, 0-2 wt% of a coloring agent and 0.03-1 wt% of a liquid descaling agent. And the neck mold scale cleaning times are reduced, the possibility of generating large-particle impurity points is reduced, the neck mold scale cleaning time is prolonged, the product quality is improved, and the method is suitable for the fields of automobile pipeline preparation and the like.

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 present invention belongs to the technical field of water supply equipment, specifically a water supply equipment with an automatic cleaning function. Water supply equipment generally has a water storage tank, but after the water storage tank has been used for a long time, scale is easily generated on the inner wall of the water storage tank, which reduces the quality of water and affects the water supply quality; it includes a bottom plate, support plates are installed on both sides of the bottom plate, the side surfaces of the support plate are grooved, and the bottom surface of the groove is provided with a fixed plate, and a pressure telescopic column is provided on the side of the fixed plate away from the bottom plate, and the end of the pressure telescopic column away from the fixed plate is connected to the control plate, and the control plate and the fixed plate are connected by a force reduction protection component; so that the descaling agent in the water storage equipment can be fully and evenly shaken, so that the scale on the inner wall of the water storage tank is removed under the action of the scraping ring plate and the scraping half ring, thereby improving the water quality.

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 relates to the technical field of preparation of carborundum foam cleaning agents, in particular to a carborundum foam cleaning agent in a semi-quicksand state, which comprises an alkaline substance, a surfactant, a descaling agent, a solvent, an inorganic builder, carborundum foam and sawdust according to a weight ratio of 10: 15: 5: 57: 5: 1: 2. Liquid raw materials are pressurized and fed through a first liquid pump, fixed raw materials falling from a feeding pipe are sprayed at a high speed through a spraying air pump, mixed liquid of carborundum foam cleaning agent production raw materials in a semi-quicksand state falling into a container is pumped through a second liquid pump, and the mixed liquid is discharged into the input end of the first liquid pump; the mixed raw materials are sprayed out of the wide-angle nozzle again through the first liquid pump, and naturally fall, settle and spread through the gravity of the mixed raw materials, so that the stain removal effect of the carborundum foam cleaning agent in the semi-quicksand state is improved, and meanwhile, the cleaning process is simpler and more convenient.

The invention discloses a vegetation recovery and reconstruction auxiliary device for natural forest protection, and belongs to the technical field of natural forest protection, the vegetation recovery and reconstruction auxiliary device comprises a bottom plate and a liquid medicine tank fixedly mounted at the top of the bottom plate, a liquid medicine filling port is fixedly mounted at the top of the liquid medicine tank, and a pesticide spraying mechanism for spraying pesticide to vegetation is fixedly mounted on one side of the liquid medicine tank. Through cooperative use of an upper soaking frame, a lower soaking frame, a chemical agent box, a communicating pipe and other structures, after a spray head is used for a period of time, chemical dirt adsorbed on the surface of the spray head and spray holes can be soaked and dissolved through a chemical dirt removing agent, and in the process, a driving assembly drives a cleaning brush to move to scrub the chemical dirt adsorbed on the surface of the spray head; by means of the cleaning brush, when the chemical descaling agent preliminarily dissolves agent dirt on the spray head, the chemical descaling agent can be cleaned through the cleaning brush, the agent dirt does not need to wait for natural falling off, the chemical descaling agent can make contact with the agent dirt on the inner side earlier, and the agent dirt removing efficiency is effectively improved.

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 present invention relates to a preparation method of a barium strontium sulfate descaling agent, comprising the following steps: adding a prepared additive solution to a prepared chelating agent alkaline solution, fully mixing and dissolving the solution, and adjusting the pH to alkaline, thereby obtaining the barium strontium sulfate descaling agent. The present invention has the following beneficial effects: the preparation method of the present invention can significantly improve the descaling effect of the descaling agent on barium strontium sulfate scale, increase the contact area with metal ions, thereby improving the overall descaling effect, effectively destroying the formation of barium strontium sulfate scale, and the descaling agent still maintains a stable descaling effect under high temperature conditions, and has broad industrial application prospects. The chelating agent used not only has good metal ion chelating effect, can effectively complex barium, strontium ions, and destroy the formation of barium sulfate and strontium sulfate crystals, but also has the characteristics of being stable under high temperature and high pH value, being suitable for complex industrial conditions, and performing well in neutral and alkaline water, and is also more environmentally friendly.

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

The utility model relates to the field of cooling tower water circulation, in particular to a cooling tower circulating water filtering device. The utility model provides a circulating water filtering device of a cooling tower. A cooling tower circulating water filtering device comprises a supporting column, a water collecting disc, a guide groove ring, a circulating pipeline, a filter element and a scale removing mechanism. The condensate water is recycled and collected by the water collecting tray, impurity water on the upper layer is guided and discharged through the guide groove ring, and water flow on the lower layer is filtered and discharged through the circulating pipeline and the filter element, so that separation treatment after the condensate water is collected is realized, and the recycling effect of the condensate water is improved; and the double-shaft motor is started after circulating treatment, so that the descaling agent can automatically and uniformly enter the water collecting tray, water scales on the inner side wall of the water collecting tray are softened, and cleaning treatment on the water scales is facilitated.

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 utility model discloses an industrial circulating cooling water descaling device, including a bottom plate, two water storage tanks, a treatment tank and a second water pump are arranged on the bottom plate, the water storage tank and the treatment tank are respectively provided with a first upper cover and a second upper cover, a treatment mechanism for treating cooling water is arranged in the treatment tank, the treatment mechanism includes a filter screen cover and a partition cover arranged in the treatment tank, and a drain pipe and a water outlet pipe are connected under the treatment tank and the partition cover. The utility model is provided with a treatment mechanism, which can send part of the water in the cooling water circulation system into the treatment tank for separate treatment, and does not need to use a descaling agent for descaling treatment of cooling water all the time, thereby reducing descaling costs and reducing pollution, and the descaling agent can be mixed with cooling water for a long enough time to improve the descaling effect of cooling water, thereby improving the practicality of the device.

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.