17 results about "Salt deposit" patented technology

The invention relates to a corrosion and scale inhibitor for TRT and a preparation method of the corrosion and scale inhibitor, and relates to the technical field of chemical reagents. The corrosion and scale inhibitor is prepared from the following components in percentage by mass: 15 to 20 percent of morpholine, 25 to 30 percent of aminoethyl ethanolamine, 15 to 20 percent of 1-hydroxyethyl-2-undecylimidazoline onium salt, 12 to 18 percent of sodium polyaspartate, 8 to 12 percent of itaconic acid-allylsulfonic acid copolymer, 1 to 3 percent of alkyl glycoside and the balance of a mixture of water and glycerol in a mass ratio of 1 to (1 to 3). The corrosion and scale inhibitor disclosed by the invention can synchronously inhibit corrosion of an acid medium and scale deposition of salts such as NH4Cl and the like, and the corrosion inhibition rate and the scale inhibition rate are effectively improved.

An improved solar water distillation system which is effective for processing supersaturated brine commonly used in lithium mining comprising: a flushing system for controlling and substantially minimising cross-contamination of condensate stream(s) and salt deposits and / or treatment liquid, having a first flushing station integrated at a first location on a frame part of a solar still upstream from a treatment liquid separator, and including transfer means; wherein liquid from a liquid source is transferred to the first flushing station by the transfer means at a predetermined rate effective for dislodging and displacing solid salt deposits on the solar still.

The present application relates to the technical field of cooling tower, and particularly relates to a salt control and mist removal natural ventilation cooling tower and a working method thereof, which comprises a tower body, a water remover and a water collecting pool, the water remover is arranged above the inside of the tower body, the water collecting pool is arranged at the bottom of the tower body, a total cooling area is arranged below the inside of the tower body, the total cooling area is composed of staggered combination of wet cooling areas and dry cooling areas, the wet cooling areas and the dry cooling areas are used for changing the temperature and the humidity content of the flowing air, through cooperation of the dry cooling areas and the wet cooling areas, the mist can be removed, meanwhile, the salt-containing droplets can be evaporated in the flowing process, so that a large amount of salt deposition near the cooling tower can be avoided, the cooling of the circulating water by the dry cooling area does not cause evaporation loss, and water saving benefit is achieved.

The application discloses an anti-salt deposition automatic solar evaporator which comprises a transparent condensing collector, a seawater bearing container, a transparent water collecting container, an anti-salt deposition device, a fresh water tank, a control module, a seawater storage container and a solar panel; the transparent condensing collector is connected with the transparent water collecting container in a butt joint mode; the condensing collector and the water collecting container have a containing space after being connected in the butt joint mode; the seawater bearing container and the anti-salt deposition device are arranged in the containing space; the anti-salt deposition device and the seawater bearing container are arranged from top to bottom; the bottom of the transparent water collecting container is provided with a water outlet hole; and the lower portion of the transparent water collecting container is provided with the fresh water tank; the anti-salt deposition device comprises a foam plate and a wood-based aerogel with a porous structure; the upper surface of the wood-based aerogel is coated with a light-absorbing material capable of being converted into heat by light; the wood-based aerogel is inlaid on the foam plate; and the seawater storage container is provided with the control module. The application has less surface salt deposition, better evaporation effect and high use efficiency.

The utility model discloses a rectangular tube inner wall high-salt sediment removal device in the technical field of rectangular tube inner wall cleaning, which comprises a liquid conveying main tube, a tube head cleaning component is mounted at one end of the liquid conveying main tube, the tube head cleaning component comprises a connecting base, a sediment removal part is arranged in the connecting base, and the sediment removal part comprises a supporting piece. According to the technical scheme, the tube head cleaning assembly is additionally arranged at one end of the liquid conveying main tube, high-salt sediments on the inner wall of the rectangular tube can be effectively removed through cooperative use of the deposit removing component and the inner wall scraping pieces, and the inner wall scraping pieces are arranged on the periphery of the outer wall of the supporting piece. The pipe head cleaning assembly comprises a connecting base and an accumulated matter removing component arranged in the connecting base, the accumulated matter removing component is supported through a supporting piece, a plurality of groups of inner wall scraping pieces distributed in a circumferential array mode are arranged on the outer wall of the supporting piece, and when the inner wall scraping pieces move on the inner wall of the pipeline, high-salt sediments attached to the inner wall can be scraped; and the pipeline is prevented from being damaged by corrosive substances.

The present application relates to a kind of corrosion and scale inhibitor for TRT and its preparation method, it is related to chemical reagent technical field, wherein, by mass percentage content, the corrosion and scale inhibitor includes: morpholine 15-20%, aminoethyl ethanolamine 25-30%, 1-hydroxyethyl-2-undecyl imidazolinium salt 15-20%, polyaspartic acid sodium 12-18%, itaconic acid-acrylic sulfonic acid copolymer 8-12%, alkyl glycoside 1-3%, the rest is the mixture of water and glycerol with mass ratio 1:1-3.It is synchronous to inhibit acid medium corrosion and NH4Cl and other salt deposits, effectively improve the corrosion rate and scale inhibition rate.

The invention discloses a deposition salt density type proportion determination method, device and equipment in combination with atmospheric pollutant concentration and a storage medium, and belongs to the technical field of environmental monitoring. The method comprises the steps that the concentration of various atmospheric pollutants and the types of various metals in a to-be-detected area are obtained; forming an atmospheric pollutant-metal combination based on each atmospheric pollutant and each metal, and respectively obtaining a dirt deposition proportion coefficient of each combination in a preset database; on the basis of the concentration of each atmospheric pollutant and the pollution deposition proportionality coefficient, the pollution deposition rate of each combination is calculated; for each piece of metal, based on the placement time and the saturated equivalent salt deposit density of the metal and the multiple dirt deposition rates corresponding to the metal, the salt accumulation amount corresponding to each salt deposit of the metal is calculated, and then the deposit salt deposit density type proportion is calculated; and determining a metal corrosion sensitivity partition map of the to-be-detected region based on the deposition salt density type proportion of each metal. By implementing the method, the problem of low analysis accuracy of the deposited salt deposit density of the pollutants can be solved.

The utility model discloses a saline-alkaline water filtering device which comprises a pretreatment tank, and a filter screen, a quartz sand filtering layer and an activated carbon filtering layer are sequentially arranged in the pretreatment tank from top to bottom; the bottom end of the pretreatment tank is provided with a first pipeline, the first pipeline is connected with a middle water tank, and the middle water tank is provided with a stirring assembly used for stirring pretreated saline-alkaline water; the water outlet end of the middle water tank is connected with a reverse osmosis filter tank through a second pipeline, and a first booster pump is arranged on the second pipeline; a purified water outlet is formed in the bottom end of the reverse osmosis filter tank and is connected with a purified water tank through a third pipeline. According to the utility model, by arranging the pretreatment tank, the saline-alkaline water can be preliminarily pretreated through the pretreatment tank, the pretreated saline-alkaline water enters the middle water tank, the filtering efficiency of the saline-alkaline water can be improved through the stirring device of the middle water tank, and salt precipitation is avoided; and then the reverse osmosis filter tank is used for filtering the saline-alkaline water.

The utility model relates to sensor mounting support technical field especially adjustable protective mounting support of monitoring sensor, including fixed plate, fixed base, first fixed knob, first connecting seat, connect straight board, first mounting seat, second fixed knob, second connecting seat, right angle connecting plate, third connecting seat, second mounting seat, third fixed knob, mounting panel and protective cover, the utility model discloses adopt multi -shaft adjusting mechanism, support mounting support's 360 degree rotation and pitch angle adjustment, improve the convenience and flexibility of support adjustment operation, and through the double -layer structure design of protective cover, the inner and outer layer are stainless steel material, and fill aerogel heat insulation layer between the inner and outer layer, make the cover body have better salt mist corrosion prevention and heat insulation effect, and spray hydrophobic nano coating on the surface of the outer cover body, reduce the sea salt deposition, improve the reliability, and through the first sealing ring and second sealing ring that are equipped with in protective cover and mounting panel junction, realize double -layer sealing and reach better protection effect.

Film drum evaporator. The invention relates to the separation of liquid media by evaporation, applicable in liquid solution concentration and desalination plants. The evaporator comprises a cylindrical body with ends, a heated steam supply pipe, a secondary steam discharge pipe, and a condensate discharge pipe from the lower part of the body. The drum, partially filled with the solution to be evaporated, is mounted on bearing supports and equipped with a rotation drive. One pipe supplies the solution to be evaporated into the drum cavity, while another pipe discharges the concentrate from the bottom of the drum. A device located below the liquid level in the drum ensures continuous mechanical cleaning of salt deposits from the evaporation surface.To reduce metal consumption, the drum wall thickness is decreased by means of stiffening rings distributed along its entire length. Some of these rings serve as support bushings for a series of bearing supports, evenly distributing the load along the drum's length. This configuration increases drum productivity by reducing wall thickness while simultaneously increasing the drum's diameter and length with a limited number of bearing supports. The evaporator is designed for the separation of liquid media by evaporation in the nuclear, chemical, food, pharmaceutical, energy, oil, and gas industries, among others.

The invention provides a coastal external insulation ocean type salt pollution value prediction method, and relates to the technical field of coastal external insulation, and the method comprises the steps: obtaining environment feature data of a to-be-predicted place; carrying out numerical simulation on the particle size distribution and spatial distribution of the ocean salt mist along with the change of the offshore distance to obtain a data prediction model; substituting the environmental characteristic data into the data prediction model, and calculating the sea salt deposition rate and deposition rate of a preset threshold value from the coastal area to the coastal area; and inputting the environment characteristic data into the constructed calculation equation of the ocean type salt pollution value of the external insulation surface, and obtaining the ocean type salt pollution value of the external insulation surface in combination with the sea salt deposition amount and the deposition rate. Full-flow calculation of salt mist generation, transportation and deposition is driven through environmental characteristic parameters, a particle size distribution correction mechanism is introduced, and a deposition conversion model for correcting insulator salt dirt from the salt mist based on collision efficiency and resuspension is provided and is suitable for the distance gt between a to-be-predicted site and a coast; and predicting the marine salt pollution value of 1km.

The invention relates to methods for preparing aqueous solutions of mineral salts with a composition corresponding to that in equilibrium with solid rock minerals under the target conditions of the experiment. The technical result achieved by implementing the invention is to provide the possibility of obtaining a model of formation water with a composition closest to real formation water at target values of temperature and pressure, without the need for water sampling in the field. In accordance with the proposed method of preparation of the formation water model, a rock sample containing soluble hard skeleton minerals and / or salt deposits in the pore space, which was initially saturated with formation water and contains at least one area that has not been exposed to drilling fluid, is taken from the formation. The amount and composition of soluble sediments in the collected sample and the water saturation of the sample under reservoir conditions are determined. At least one internal region in the sample, not exposed to the drilling fluid, is selected and a three-dimensional digital model of the selected region is built, reflecting the pore structure and spatial arrangement of minerals. The water solubilization chemical reactions for all water-soluble minerals found in the sample are set. Numerical modeling of the initial saturation of the sample under study with water is carried out, taking into account the dissolution of minerals included in the sample at the required temperature and pressure until equilibrium is reached. The final ionic composition of the aqueous solution saturating the pore space of the numerical model after equilibrium is reached is determined, and the solution is prepared by dissolving the calculated amount of salts in the calculated amount of water while stirring. The resulting salt solution is brought to the required thermobaric conditions.

The invention discloses a hot salt corrosion fatigue test device and a test method, the hot salt corrosion fatigue test device comprises: a test bin for placing a sample and heating the sample; the weighing sensor is arranged in the test bin and is used for weighing the sample in real time so as to obtain the salt deposition mass ms on the surface of the sample in real time; the laser scattering sensor is arranged in the test bin and is used for measuring the salt mist particle number concentration Cp in real time; the salt mist generator is connected with the test bin through an air inlet pipeline and is used for supplying air containing salt mist to the test bin; the proportional pressure valve is arranged on the air inlet pipeline; the control system is used for adjusting the opening degree of the proportional pressure valve in real time according to the sample surface salt deposition mass ms, the salt mist particle number concentration Cp and the sample crack propagation state so as to dynamically adjust the salt mist concentration. According to the method, the test repeatability and the life prediction precision are improved, the salt deposition fluctuation is obviously reduced, the fatigue life dispersity is reduced, and the test accuracy is effectively improved.

This utility model discloses a desalination device for the top of a catalytic fractionation column, relating to the field of catalytic fractionation column technology. It includes a fractionation column body, a tray fixed to the inside of the column body, and a desalination assembly. The desalination assembly is used to inject water to wash the surface of the top tray. The assembly includes an external delivery pipe, a distribution pipe, and nozzles. The pipeline formed by the external delivery pipe, distribution pipe, and nozzles is used to flush away salt deposits on the upper surface of the tray. By setting up the desalination assembly, water is transported to the inside of the fractionation column body through the pipeline formed by the external delivery pipe, distribution pipe, and nozzles, and washes the upper surface of the top tray, causing the salt crystals on the top tray to be washed away and dissolved. Simultaneously, the inclined guide plate allows the washed-away salt crystals to be smoothly carried by the water flow to the downcomer channel, preventing salt crystals from remaining on the upper surface of the tray and clogging the channel.

The utility model discloses a solar evaporator capable of preventing salt deposition, which relates to the technical field of seawater desalination and comprises a support frame, a mounting base is fixedly connected above the support frame, the mounting base is obliquely arranged, and a high-level brine tank is fixedly connected above the right side of the mounting base. A sealing box is fixedly connected to the position, located on the inclined face, of the upper portion of the mounting base, a wavy photo-thermal conversion layer is fixedly connected to the bottom face in the sealing box, at least six flow guide pipes are fixedly connected to the position, located above the wavy photo-thermal conversion layer, in the sealing box, and a plurality of liquid outlet holes are formed in the bottoms of the flow guide pipes. The upper end of the flow guide pipe penetrates through the side wall of the sealing box and is connected with the high-position brine tank, wave crests and wave troughs are arranged on the wave-shaped photothermal conversion layer, and salt discharging gaps are formed in the positions, at the wave troughs, of the upper surface of the wave-shaped photothermal conversion layer. The device has the advantages that due to the inclined mounting base, salt can slide to the salt water discharging groove along the salt discharging gap by utilizing gravity, salt scale is prevented from blocking the photo-thermal absorption surface, and long-term efficient evaporation efficiency is maintained.

A real-time monitoring device for an amount of surface salt deposition comprises a host and a monitoring probe. The host generates a fixed frequency AC excitation signal and transmits it to the interdigital electrode inside the monitoring probe. And then the host analyzes a feedback signal to obtain an information of impedance value. The amount of salt deposition on the interdigital electrode surface is determined by a predetermined relationship curve between the amount of salt deposition and the impedance value, and the actual amount of salt deposition in the environment can be obtained. The monitoring device can change the relative humidity of the environment around the interdigital electrode by adjusting the temperature, so that the salt deposited on the surface of the interdigital electrode absorbs moisture and forms a liquid film, achieving real-time monitoring of the amount of salt deposition on the surface of the interdigital electrode.

The invention discloses an atmospheric corrosion grade prediction method and device, a storage medium and electronic equipment, and relates to the technical field of atmospheric corrosion. The method comprises the steps that environmental parameters of a meteorological environment where a component is located are obtained, and the environmental parameters comprise the air temperature, the temperature difference, the humidity, the precipitation amount, the solar radiation amount and the sulfur dioxide concentration; calculating the salt deposition amount of the meteorological environment based on the air temperature, the temperature difference and the precipitation amount; according to the air temperature and the humidity, the water vapor content in unit volume air in the meteorological environment is calculated; calculating a radiation intensity factor of the meteorological environment based on the air temperature and the solar radiation amount; calculating pollutant acceleration factors of the meteorological environment according to the sulfur dioxide concentration; based on the salt deposition amount, the water vapor content, the radiation intensity factor and the pollutant acceleration factor, determining a corrosion intensity factor of the meteorological environment; and determining the atmospheric corrosion level of the meteorological environment according to the corrosion strength factor. The problems of long corrosion level prediction period and high cost in the prior art can be solved.