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46results about How to "Thorough descaling" patented technology

Self-powered ultrasonic scale removal tube cleaner

The invention discloses a self-powered ultrasonic scale removal tube cleaner. The self-powered ultrasonic scale removal tube cleaner comprises a body, and an ultrasonic generation apparatus, an electromagnetic induction power generation apparatus, a power supply apparatus and a protection apparatus, which are arranged on the body, wherein the body comprises a barrel and a cone; the ultrasonic generation apparatus comprises an ultrasonic generator; the electromagnetic induction power generation apparatus comprises a transmission connecting rod, an induction coil and a converter; the power supply apparatus comprises a packing cup and an impeller with a runner; and the protection apparatus is a metal protection cover, and the metal protection cover is provided with a leak flow hole. The tube cleaner is adopted as a carrier to be combined with the ultrasonic scale removal apparatus, so that the ultrasonic scale removal effect is more remarkable than the scale removal effect by only adopting the tube cleaner; and meanwhile, the self-powered ultrasonic scale removal tube cleaner carries a self-powered power generation apparatus, the automation degree is relatively high, scales are automatically removed, and the tube cleaner is only required to be transmitted and received by a tube cleaner receiving and transmitting barrel. Compared with a chemical tube cleaning way, the problem of changing the water quality is avoided, the phenomenon that a great amount of scales are dropped is avoided, and the tube cleaner plugging phenomenon is avoided.
Owner:SOUTHWEST PETROLEUM UNIV

Steel strip descaling method

InactiveCN102601742AWashing surface is largeGood cleaning and descaling effectBlast gunsAbrasive machine appurtenancesHigh pressure waterBrush device
The invention belongs to the field of steel strip production, and particularly relates to an environment-friendly thorough method for removing oxide, namely scale, on the surface of a steel strip with a fine condition. The method includes the steps: A, feeding the steel strip into a scale breaking device to break the scale on the surface of the steel strip; B, feeding the steel strip treated in the step A into a sand blaster, blasting steel shots, high-pressure water and high-pressure air to the surface of the steel strip, and further breaking and washing the scale on the surface of the steel strip; C, feeding the steel strip treated in the step B into a brush roll device, polishing and brushing the surface of the steel strip and further removing residual scale and smoothening the surface of the steel strip; D, feeding the steel strip treated in the step C into a strip brush device and brushing off cuttings and remaining scale on the upper surface of the steel strip after polishing and brushing; E, feeding the steel strip treated in the step D into a cleaning device and washing the surface of the steel strip with clear water; and F, rolling the cleaned steel strip by the aid of a gripping roll.
Owner:HUZHOU JINYE ELECTRONICS MATERIAL +1

Horizontal multistage roller scaling apparatus for processing large number of freshwater fish, and scaling method thereof

The invention relates to a horizontal multistage roller scaling apparatus for processing a large number of freshwater fish, and a scaling method thereof. Fish for processing is continuously conveyed to a rotating multistage roller, scales are removed through scaling structure members having diversified shapes on the inner walls of all-stage rollers, a plurality of axial spiral channels are arranged on the inner wall of each of cylindrical connecting pieces and can push the fish to a next-stage scaling roller from a previous-stage scaling roller, a hairbrush roller shafting and the multistage roller are coaxially arranged and are driven by two variable-frequency speed control power devices having different powers at the upper portion of a frame, the rotating speed and the turning direction of the hairbrush roller shafting are mutually associated and coupled, a plurality of hairbrush rollers in the hairbrush roller shafting can realize the scaling assistance and the feeding control of the fish, scales removed from the surface of the fish go through scale through holes on the all-stage scaling rollers and fall in a scale deposition tank for convenient collection, and pressurized water flow in a central tube shaft goes through a plurality of small holes arranged on the wall of the central tube shaft and sprays the processed fish in the multistage roller for flushing.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI

Water heater capable of being descaled

The invention relates to a water heater capable of being descaled. The water heater capable of being descaled comprises a support, a water storage tank, transparent pipes and heat collection pipes. Each heat collection pipe is divided into an inner layer and an outer layer. Each outer layer is a heat absorbing pipe made from a hard material. Each inner layer is a spiral pipe formed by spiraling and curling a long-strip elastic piece. The heat absorbing pipes extend into the water storage tank. The upper end of each spiral pipe is fixed to the water storage tank, and the lower end of each spiral pipe is installed on a rotary plate. Through holes are formed in the rotary plates. A scale accumulation cavity is further fixed to the lower portion of each rotary plate. A smashing rod is further arranged on the axis of each heat collection pipe. One end of each smashing rod is installed on the water storage tank, and the other end of each smashing rod is installed on the support. Smashing pins extending in the radial direction of the smashing rod are further distributed on the periphery of each smashing rod. The length of the smashing pins is smaller than the radius of the corresponding heat collection pipe. The water heater capable of being descaled is ingenious in structure and capable of being descaled completely and efficiently, and meanwhile water pipe blockage and human body harms are not caused.
Owner:佛山市史麦斯卫厨电器有限公司

Hydraulic jet casing descaling device and process method for applying hydraulic jet casing descaling device

The invention belongs to the technical field of casing descaling in oil and water wells, and particularly relates to a hydraulic jet casing descaling device and a process method for applying the hydraulic jet casing descaling device. The hydraulic jet casing descaling device comprises a sand pot, a sand mixing truck, a pump truck, a liquid supplying pump, a water tank and a spraying gun; the liquid supplying pump conveys water in the water tank into the sand mixing truck, quartz sand from the sand pot and water are mixed by the sand mixing truck and then conveyed to the pump truck, the spraying gun is down to a downhole through an oil tube, water mixed with the quartz sand is pressurized by the pump truck through the oil tube and is conveyed to the spraying gun, high-pressure water is jet through a spraying nozzle on the spraying gun to form high-speed jet, so that scales on a well wall are broken and separated from a casing wall, the water sprayed from the spraying nozzle returns back to the water tank from a wellhead. According to the hydraulic jet casing descaling device and the process method for applying the hydraulic jet casing descaling device, a spiral spraying nozzle distribution method is adopted, descaling without dead angles is ensured, meanwhile, descaling is complete, the efficiency is high, crushing, cleaning and scraping are completed once, meanwhile, dirt in a shot hole can be effectively cleaned, a seepage channel is improved, and the descaling effect is excellent through field application.
Owner:DAQING XINZHIHE TECH

Rotary hearth furnace smoke comprehensive treatment system and method

The invention relates to a rotary hearth furnace smoke comprehensive treatment system and method. The treatment system comprises a rotary hearth furnace, a high-temperature smoke outlet of the rotaryhearth furnace is connected with a waste heat boiler, an outlet of the waste heat boiler is connected with an air heat exchanger, the air heat exchanger is connected with a bag type dust collector, anoutlet of the bag type dust collector is connected with a cyclone dust collector through a pipeline, and the cyclone dust collector is connected with a chimney. A frequency-adjustable high-sound-intensity acoustic wave soot blower located on the air heat exchanger can conduct effective blockage removing and descaling on the air heat exchanger; after zinc-containing metal dust and other metal dustenter the bag type dust collector, ultrafine particles are aggregated into large particles through a first acoustic wave aggregation device, and the metal dust recovery efficiency of the bag type dust collector is improved; the bag type dust collector is further subjected to real-time blockage removing, the service life of the bag type dust collector is prolonged, the cost is reduced, and high-sound-intensity acoustic waves conduct collaborative efficiency improving and descaling on the bag type dust collector in the rotary hearth furnace smoke system; and the ultralow emission requirement for smoke of the rotary hearth furnace is met on the front section of the chimney through an acoustic wave aggregation dedusting device.
Owner:NANJING CHANGRONG ACOUSTIC INC +2

Boiler descaling agent

A boiler descaling agent comprises the following raw materials in parts by weight: 80 to 100 parts of water, 10 to 20 parts of benzotriazole, 30 to 60 parts of acetic acid, 5 to 10 parts of lauryl sodium sulfate, 4 to 15 parts of thiourea, 3 to 8 parts of ammonium fluoride and 0.2 to 0.5 part of spice. According to the invention, installation and operation on a cleaning site are simplified and facilitated; the corrosion inhibition efficiency is high, the cleaning speed is fast, washing waste liquid treating is simple and convenient, and pre-filming after washing is facilitated; equipment safety is guaranteed, the descaling is thorough and the corrosion rate is low; corrosion and poisonousness to operating personnel are basically avoided, and the operation is simple, safe and reliable; meanwhile, the boiler descaling agent is free from toxic and harmful substances, can be discharged after simple neutralizing treatment, and is safe and environment-friendly; the boiler descaling agent adopts solid components, is safe, simple and convenient to use, has no harms to human bodies, is non-corrosive to equipment and has no influences on the environment.
Owner:苏丹

Pipe cleaner

InactiveCN105618443AAvoid cloggingImprove descaling and dredging effectHollow article cleaningSheet steelEngineering
The invention discloses a pipe cleaner. The pipe cleaner comprises a pipe cleaner component formed by bowl-shaped internal blades and bowl-shaped external blades overlaid and sleeved on a central shaft, wherein the slits are uniformly distributed on the external blade wall and the internal blade wall along radial directions at intervals, the slits on the external blade wall and the internal blade wall are alternatively arranged, the slit width on the external blade wall is 4mm, the slit width on the internal blade wall is 4.5mm, the vertical spacing between the internal blades and external blades is 2-5mm, and each of the internal blades and the external blades is made of 60Si2Mn spring sheet steel, and the thickness of each of the internal blades and the external blades is 1-2mm; the pipe cleaner is formed through back-and-forth series connection of at least two groups of pipe cleaner components through a bending structure; and the arrangement directions of two groups of pipe cleaner components are the same. Through the adoption of the pipe cleaner disclosed by the invention, the piping descaling dredging effect can be greatly improved, and the cleaning effect is good.
Owner:XINJIANG YONGSHENG ENERGY CO LTD

Scale cleaning device for oil pipe external thread

The invention discloses a scale cleaning device for an oil pipe external thread. The scale cleaning device comprises a barrel body and cleaning pieces. The inner wall of the barrel body is provided with an internal thread matched with the oil pipe external thread. The cleaning pieces are arranged on the inner periphery of the barrel body. According to the scale cleaning device for the oil pipe external thread, operation of the scale cleaning device is conducted by screwing the oil pipe external thread into the scale cleaning device and then screwing the oil pipe external thread out of the scale cleaning device, so that cleaning of the oil pipe external thread is facilitated; a wiping effect can be produced on the oil pipe external thread through the cleaning pieces, and hence scale cleaning processing is more thorough; meanwhile, scale can be blocked from falling to the ground around through the cleaning pieces, the follow-up cleaning work amount is reduced, and the pollution of the scale to the surrounding environment is avoided; and compared with the prior art, the cleaning efficiency and quality can be improved, and the stability of an oil pipe connection structure is improved.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Scale removal equipment and method of plate heat exchanger

The invention discloses scale removal equipment for a plate heat exchanger. The scale removal equipment comprises a plate heat exchanger body (15) and an electric control device (7), wherein the plate heat exchanger body (15) is respectively connected with an ultrasonic generating device (8) and a gas pulse generating device (10); and the electric control device (7) is connected with an energy transducer (11) and the gas pulse generating device (10). The scale removal equipment can be used for rapidly and thoroughly removing scales.
Owner:王子韬

Efficient clearing method for scale in evaporation tank

The invention discloses an efficient clearing method for scale in an evaporation tank. The method comprises the following steps of (1) clearing residual juice, specifically, washing the residual juicein an evaporation tube for 3-5 minutes; (2) carrying out first-stage descaling, specifically, carrying out heating firstly by utilizing waste gas and a heating tube of the evaporation tank, then blowing cold air inside for cooling, and then enabling part of the scale to fall off by utilizing ultrasonic waves of an ultrasonic generator; (3) carrying out secondary descaling, specifically, carryingout soaking for 30-60 minutes after carrying out high-pressure washing by utilizing a dissolving agent, then carrying out high-pressure washing again for 15-30 min, and then discharging sewage; and (4) carrying out deep washing, specifically, carrying out high-pressure washing on the wall of the evaporation tank and the heating tube for 1-10 minutes by using clean water, and after discharging thecleaning sewage, introducing the waste gas for drying. The efficient cleaning method for the scale in the evaporation tank has the advantages of being simple, convenient and rapid to operate, environmentally friendly, energy-saving, good in cleaning effect and high in speed.
Owner:GUANGXI JIRAN TECH CO LTD

Scavenger specially for lane in expressway toll gate

The scavenger specially for lane in expressway toll gate consists of: smoke-free kerosene with flash point over 50 deg.c 93 wt%; industrial lauric acid 2 wt%; industrial triethanolamine 1.28 wt%; industrial banana essence 0.58 wt%; and industrial cresol 3.14 wt%. It has fast dirt dissolving speed, complete dirt eliminating effect, no corrosion to road surface and low cost.
Owner:戴庭

Cleaning device for plate heat exchanger

The invention discloses a cleaning device for a plate heat exchanger. The cleaning device for the plate heat exchanger comprises the plate heat exchanger (15) and a control system (7). The plate heat exchanger (15) is connected with a reaction still (8) and an ultrasonic reaction device (10). The control system (7) is connected with an energy converter (11) and the ultrasonic reaction device (10). The cleaning device for the plate heat exchanger can remove scale quickly and thoroughly.
Owner:南通海轶锶换热设备有限公司

Shell-and-plate blast furnace evaporation air cooling system using soft water closed recirculation cooling system and plate scale treatment method thereof

The invention discloses a shell-and-plate blast furnace evaporation air cooling system using a soft water closed recirculation cooling system and a plate scale treatment method thereof and belongs to the technical field of blast furnace iron making production. The shell-and-plate blast furnace vaporation air cooling system using the soft water closed recirculation cooling system comprises a base, a shell body which is over the base and is fixedly connected with the base, a cooling plate set which is a vertical layered layout is arranged in the shell body in a fixation mode, and induced air cooling towers which are connected with the shell body in a fixation mode and right above the shell body. Through replacing an induced air motor with an air suction function with the induced air cooling towers, installed gross and production running cost are lowered, there is no need to frequently change and maintain a soggy and fragile fan motor, and the induced air cooling towers are capable of being at a normal working state for a long time and saves electric energy and water consumption of refrigerant water. Physical descaling can be conducted periodically in the whole operational process of the system through the plate scale treatment method, and also thorough descaling can be conducted in a stopping process. The induced air cooling towers are flexible and mobile and through in treatment effect. The heat exchange and cooling effects of the whole system are improved, and the continuous working period and service life are prolonged.
Owner:安徽马钢输送设备制造有限公司

Novel hydraulic jet unblocking device

The invention belongs to the technical field of oil-water well casing descaling, and particularly relates to a novel hydraulic jet unblocking device. The novel hydraulic jet unblocking device comprises a filter, a short pipe, a barrel, a motor, a reciprocating motion mechanism and a rotating disc, wherein the filter and the barrel are fixedly connected to the upper end and the lower end of the short pipe respectively, the motor is fixedly installed in the barrel through a motor support, the power input end of the reciprocating motion mechanism is connected with an output shaft of the motor, and the power output end of the reciprocating motion mechanism is fixedly connected with the rotating disc. According to the device, compared with the prior art, a brand-new descaling and unblocking mode, and the device has the advantages of simple construction process, low construction cost and large treatment depth; and meanwhile, an emulsifier is rotationally sprayed, so that jet flows of the emulsifier impact scales on the inner wall of a casing in the radial direction and the tangential direction, the scales are easier to remove, and a descaling effect is effectively improved.
Owner:大庆永铸石油技术开发有限公司

Water heat system adaptive electronic descaling device

The invention relates to a water heat system adaptive electronic descaling device, comprising a device case, a total water inlet, a check valve, a coiled pipe, a coil, an electronic control box, a micro water pump, an internal cycle water inlet, an internal cycle water outlet, an electrode and measuring sensor, a total water outlet, a common water pipe, a three-way pipe and a storage container, wherein the lower part of the total water inlet is connected with the check valve, and the check valve is connected with the common water pipe and the snakelike pipe by virtue of the three-way pipe; the common water pipe is connected with the micro water pump and the internal cycle water inlet; the coil is wound by utilizing the snakelike pipe so that the range of magnetic action is expanded, and the lower part of the coil is connected with the internal cycle water outlet; the internal cycle water inlet and the internal cycle water outlet are connected with the storage container, the upper partof the storage container is connected with the electronic control box, and the treatment effect of an open water heat system is improved by virtue of the micro water pump; and the storage container is internally provided with the electrode and measuring sensor, the sensor is used for monitoring a water medium in real time, and the automation optimization is realized by means of the controller. The device provided by the invention has a novel structure, is simple and easy to operate, can save energy and is environmentally friendly.
Owner:HAISAI NEW TECH CHANGSHA

Energy-saving composite boiler water conditioner for drum boiler, and preparation method thereof

The invention discloses an energy-saving composite boiler water conditioner for a drum boiler, and a preparation method thereof. The energy-saving composite boiler water conditioner comprises, by mass, 3-20% of organic polyamine, 2-20% of polycarboxylate, 0-10% of organic phosphate, 3-10% of a chelating agent, 2-15% of a corrosion inhibitor, 1-5% of an alkalizing agent, 0.1-2% of an emulsifying agent, 0.1-1% of a defoaming agent, and the balance of deionized water. The method comprises the following steps: adding a certain amount of deionized water into a reactor with a stirring device, heating the deionized water, adding the polycarboxylate and the organic phosphate into a reaction kettle when the water temperature reaches 40 DEG C, adding the chelating agent and the corrosion inhibitor 20 min later, performing continuous stirring for 10-15 min, heating the obtained mixture to 60-70 DEG C, adding the emulsifier and the organic polyamine, adding the alkalizing agent, performing stirring for 10-15 min, finally adding the defoaming agent, performing stirring for 30-40 min, and standing the obtained mixture for 3 h. The energy-saving composite boiler water conditioner can form a continuous hydrophobic protective film on the surface of metal to prevent the metal from being corroded, can be complexed with Ca<2+>, Mg<2+>, iron ions, copper ions and silicon ions to destroy or preventthe formation of crystal sprouts and promote crystal lattice distortion.
Owner:山东银汉水处理技术有限公司

Stripping agent for pickling undrawn wire as well as preparation and using methods of stripping agent

The invention aims at solving the problems that an overcorrosion phenomenon easily appears on the surface of a traditional wire pickled by using sulfuric acid, an occasional fracture phenomenon appears in a wire drawing process, a film layer is nonuniform after the wire is phosphated and the treatment cost of waste acids is high, provides a stripping agent for pickling an undrawn wire as well as preparation and using methods of the stripping agent and belongs to the technical field of metal surface treatment. The stripping agent disclosed by the invention is composed of the following components in percentage by mass: 5-50% of concentrated phosphoric acid, 1.0-20% of compound organic acid, 0.2-10% of a compound corrosion inhibitor, 0.5-5% of an accelerant, 0.05-3% of a compound surfactant and the balance of water. The stripping agent disclosed by the invention is mainly prepared from the phosphoric acid and the compound organic acid and is remarkable in pickling effect, and an effluentcan be recycled after being regenerated, so that not only is the requirement for environment protection met, but also the production cost is greatly reduced.
Owner:ANSHAN FALAN STEEL STRIP CO LTD

Alkaline boiler scale inhibitor

The invention discloses an alkaline boiler scale inhibitor. The alkaline boiler scale inhibitor comprises the following ingredients in percentage by weight: 75% to 85% of pure water, 3% to 10% of strong base, 5% to 15% of scale inhibitor, 1% to 5% of deoxidizer and 0.2% to 1.0% of metal corrosion inhibitor. The invention aims at providing the alkaline boiler scale inhibitor which is applicable tosurface water with more microorganisms, seawater desalinization and river and lake water, the scale inhibiting effect is good, the service life of a boiler can be prolonged, and the alkaline boiler scale inhibitor is environmentally friendly.
Owner:TIANJIN PRIMETECH CHEM

Descaling device for water tank of air energy water heater

The invention discloses a descaling device for a water tank of an air energy water heater. The descaling device comprises a water tank body, a cold water inlet, a detergent inlet and a sewage outlet, wherein a rotating wheel is arranged at the inclined bottom of the water tank; the sewage outlet is connected with a vacuum pump capable of sucking scale. A small amount of detergent and a small amount of cold water are mixed and poured from the detergent inlet, then, a motor is powered on to drive the rotating wheel to rotate, and the mixed liquid can abrade the surface of the inner wall of the water tank body, so that the effect of rapid descaling is achieved.
Owner:广西高企科技有限公司

Method for electrochemically removing scale from platinum electrodes of ultrahigh-voltage direct-current converter valves

The invention discloses a method for electrochemically removing scale from platinum electrodes of ultrahigh-voltage direct-current converter valves. The method includes steps of (1), assuredly filling internal water cooling systems with water in periods when the internal water cooling systems of the converter valves of ultrahigh-voltage converter stations stop working; (2), respectively connecting the platinum electrodes at the bottoms of valve towers with cathode and anode wiring ends of constant-potential rectifiers, electrochemically polarizing the platinum electrodes and draining water with the scale after the platinum electrodes are completely polarized. The method has the advantages that the scale can be removed in a batch manner at the speed higher than the manual scale removal speed; the method is high in scale removal efficiency, low in risk and cost and easy to implement, is safe and reliable and has a broad application prospect, and the scale can be thoroughly removed by the aid of the method.
Owner:STATE GRID CORP OF CHINA +2

Ceramic tile seam detergent

The invention discloses a ceramic tile seam detergent which is prepared from the following raw materials: 3-4 parts of nonylphenol polyethenoxy ether, 2-4 parts of alkylphenol polyoxyethylene, 3-5 parts of castor oil polyethenoxy ether, 1-3 parts of Turkey red oil, 1-2 parts of p-toluenesulfonic acid, 2-5 parts of potassium permanganate, 3-5 parts of 4-aminobenzenesulfonic acid, 2-6 parts of tartaric acid, 3-5 parts of ethylene glycol monophenyl ether, 5-8 parts of 1,2-propanediol, 2-5 parts of thermosetting phenol aldehyde resin, 3-6 parts of polypropylene, 5-8 parts of amino resin, 5-10 parts of polycarbamate, 5-10 butyl acrylate, 3-5 parts of sodium carboxymethyl cellulose, 6-8 parts of sodium hexametaphosphate, 8-10 parts of paraffin emulsifier and 120-150 parts of deionized water. The ceramic tile seam detergent can thoroughly remove scales and resist stains and molds, and can not corrode the ceramic tile seam material; and after being applied to the ceramic tile seam, the ceramic tile seam detergent can remove dust and other oxides, can not leave wash marking after volatilization, is bright, can form a protective film on the surface, has the advantages of dirt resistance and low cost, and is convenient to use.
Owner:谢伟杰

A self-help ultrasonic descaling pig

The invention discloses a self-powered ultrasonic scale removal tube cleaner. The self-powered ultrasonic scale removal tube cleaner comprises a body, and an ultrasonic generation apparatus, an electromagnetic induction power generation apparatus, a power supply apparatus and a protection apparatus, which are arranged on the body, wherein the body comprises a barrel and a cone; the ultrasonic generation apparatus comprises an ultrasonic generator; the electromagnetic induction power generation apparatus comprises a transmission connecting rod, an induction coil and a converter; the power supply apparatus comprises a packing cup and an impeller with a runner; and the protection apparatus is a metal protection cover, and the metal protection cover is provided with a leak flow hole. The tube cleaner is adopted as a carrier to be combined with the ultrasonic scale removal apparatus, so that the ultrasonic scale removal effect is more remarkable than the scale removal effect by only adopting the tube cleaner; and meanwhile, the self-powered ultrasonic scale removal tube cleaner carries a self-powered power generation apparatus, the automation degree is relatively high, scales are automatically removed, and the tube cleaner is only required to be transmitted and received by a tube cleaner receiving and transmitting barrel. Compared with a chemical tube cleaning way, the problem of changing the water quality is avoided, the phenomenon that a great amount of scales are dropped is avoided, and the tube cleaner plugging phenomenon is avoided.
Owner:SOUTHWEST PETROLEUM UNIV

Scale inhibition method for boiler

The invention discloses a scale inhibition method for a boiler, and relates to the technical field of industrial boilers, and the scale inhibition method comprises the following steps: extracting a small amount of boiler water at a boiler dosing port in advance, collecting the index information of the boiler water, and obtaining the concentration of an added scale inhibitor; a scale inhibitor is added with the outlet end of a deoxidizing opening of the boiler as a dosing opening, and the scale inhibitor mainly comprises pure water, sodium alginate, organic phosphate, trisodium phosphate, sodium hydroxide, a deoxidant and a metal corrosion inhibitor; the action condition of the scale inhibitor is monitored, and the concentration of the scale inhibitor is adjusted. The corrosion and scale inhibitor has excellent corrosion and scale inhibition performance, can form a layer of protective film on the metal surface, greatly reduces the corrosion rate, and has the advantages of simple operation, thorough descaling, convenient cleaning, safety to equipment, safety and environmental protection.
Owner:扬州红耀锅炉有限公司

Method for evaluating anti-scaling agent of crude oil gathering pipeline in laboratory

The invention relates to a method for evaluating an anti-scaling agent for a crude oil gathering pipeline in a laboratory. The invention belongs to the technical field of laboratory evaluation. The method for evaluating the anti-scaling agent for the crude oil gathering pipeline in the laboratory is characterized by comprising the following technological processes: (1) putting an on-site oil and water sample into a circulator with a heater and a stirrer, starting the stirrer and the heater and heating to the on-site working condition temperature; (2) weighing a scale sample, putting the scale sample into a filtering box and fixing the filtering box in a circulating pipeline; (3) adding the anti-scaling agent into the oil and water sample of the circulator; (4) starting a circulating pump, circulating and accumulating the experimental time; (5) after the experiment, taking out the filtering box in the circulating pipeline, weighing the scale sample in the filtering box and calculating the loss rate of the scale sample. The method has the advantages that the operation is simple, the on-site process working condition can be simulated maximally, the obtained experimental result is more accurate, and the anti-scaling agent with good effect obtained by evaluation is more suitable for on-site use.
Owner:E TECH ENERGY TECH DEV CORP

High tower type geothermal production well and using method thereof

The invention relates to a high tower type geothermal production well and a using method thereof, and belongs to the field of geothermal energy development. The high tower type geothermal production well comprises an inner shaft and an outer protection structure, wherein the inner shaft is connected with a production well shaft through an annular connecting assembly, the interior of the outer protection structure wrapped around the inner shaft is filled with a thermal insulation material, the outer protection structure comprises two half bodies which are oppositely arranged, and the half bodies can move through sliding rails arranged on the ground surface. According to the high tower type geothermal production well and the using method thereof, under the assistance of hoisting equipment, the inner shaft is exposed through movement of the outer protection structure, the inner shaft is replaced with a prepared replacement sleeve, after replacement is completed, the outer protection structure is closed again, and normal production can be rapidly recovered; and after normal production is recovered, calcium scale removal operation can be carried out on the replaced shaft with calcium scales attached to the inner wall on the ground surface. According to the high tower type geothermal production well and the using method thereof, the duration of production halt caused by descaling operation can be greatly shortened, meanwhile, the calcium scale removing effect is improved, the calcium scale removing speed is increased, and high economic benefits are achieved.
Owner:TAIYUAN UNIV OF TECH
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