62 results about "Substance removal" patented technology

The invention provides an integrated containment pressure suppression, filtration and discharge system. The integrated containment pressure suppression, filtration and discharge system comprises a containment, a discharge valve, a discharge pipeline, a spray pipe, a first-stage pressure suppression water tank, a second-stage pressure suppression water tank, a baffle plate steam-water separator, an expansion tank, a rupture disk structure, a combined metal fiber filter layer, a radioactivity monitor, a first stop valve and a second stop valve. The two-stage pressure suppression water tank is arranged, the high removal efficiency of airborne radioactive substances is achieved through two-stage bubbling water washing, then the combined metal fiber filter is arranged by means of an existing cabin, and the requirements for rapid pressure reduction and radioactive substance removal of the containment under the LOCA accident working condition can be met; meanwhile, the problem that the containment filtering and discharging system of the existing nuclear power station occupies too many resources is solved, and the economical efficiency is high.

The invention relates to the technical field of wastewater treatment, in particular to a pretreatment device and process for petroleum storage wastewater. Comprising a sedimentation tank, an auxiliary assembly and an ozone generation device, and the auxiliary assembly comprises a treatment box, an oil removal pipe, a storage hopper, an oil collecting tray, an upper mounting frame, a lower mounting frame, a guide pipe, a stirring component, a pumping component and a connecting component. The pretreated wastewater can be quickly pumped and conveyed to the next treatment process, and the wastewater is correspondingly reduced in pretreatment and subsequent treatment steps, so that quick treatment is facilitated, the petroleum wastewater can be effectively pretreated, and quicker subsequent treatment of the wastewater is facilitated.

The utility model provides drilling fluid ferromagnetic substance removing equipment, and relates to the technical field of drilling auxiliary equipment, the drilling fluid ferromagnetic substance removing equipment comprises a material screening module, a machine body frame, a liquid draining module, a magnetic suction module, a cleaning module and a PLC, the material screening module is fixed above the machine body frame in a bolted mode, the liquid draining module is fixedly connected below the material screening module, and the magnetic suction module is fixedly connected below the cleaning module. A magnetic attraction module is arranged below the liquid draining module, the magnetic attraction module is fixed to the inner side of the machine body frame in a bolting mode, a cleaning module is arranged below the magnetic attraction module, the cleaning module is fixed to the machine body frame in a bolting mode, and the PLC is electrically connected with the material screening module and the magnetic attraction module. Drilling fluid can be evenly distributed on the sheet base band through the liquid draining plate, the adsorption time is prolonged, the adsorption capacity of the powerful magnet is improved, the device has a stronger magnetic adsorption effect, ferromagnetic substances in the drilling fluid can be efficiently removed through the device, through multi-layer adsorption filtration, the removal effect is good, and the efficiency is high.

The present invention discloses a method for removing odorous substances based on oxidation technology, which relates to the field of water purification and treatment. The method comprises the following steps: adjusting the 2-MIB concentration in raw water and controlling the pH to a range conducive to the oxidation reaction; introducing the raw water into an oxidation device containing a reaction column, adding ozone and hydrogen peroxide, and adding a transition metal oxide catalyst and an organic synergist for synergistic oxidation, wherein the transition metal oxide catalyst is at least one of MnO2, Fe2O3, and CuO, which is prepared into nano-sized particles and loaded onto a porous carrier; and subjecting the oxidized water to a coagulation and sedimentation treatment. By adjusting the raw water quality and using ozone, hydrogen peroxide, a transition metal oxide catalyst, and an organic synergist for synergistic oxidation, the present invention effectively improves the odorous substance removal rate, enhances catalyst stability and recycling efficiency, addresses the shortcomings of existing technologies in odorous substance removal, and meets the demand for standard treatment of odorous substances in drinking water.

A water treatment device includes an oxidizing substance removal device removing oxidizing substances from water to be treated. The oxidizing substance removal device includes: a hydrogen adder adding hydrogen to the water to be treated; a catalyst tower with a platinum group metal-supported catalyst through which the water to be treated to which hydrogen has been added passes; a control unit that controls an additive amount of hydrogen; and a first meter measuring the dissolved hydrogen concentration in the outlet water of the catalyst tower. A layer height of a packed material in the catalyst tower, including the platinum group metal-supported catalyst, is 10 cm or more, and the control unit performs a first additive amount control that controls the additive amount of hydrogen so that a measured value by the first meter is within a first range.

A sampling device includes a sampling channel, a detection unit and a sample introduction channel. A cell culturing device or the sample introduction channel includes an aseptic filter in a section before the sampling channel. A sampling method includes a sampling step for introducing the sample from the culturing device and detecting the sample by the detection unit and an adhering substance removal step for removing an adhering substance adhering to the aseptic filter by allowing a fluid to flow from the sampling channel to the sample introduction channel.

The invention relates to the technical field of fly ash treatment, and discloses a fly ash washing leachate particulate matter collecting system which comprises a reaction kettle, the reaction kettle comprises a kettle body, a funnel part is integrally formed at the bottom of the kettle body, a mud storage part is integrally formed at the bottom of the funnel part, and a mud discharging assembly is arranged on the left side of the mud storage part. A stirring assembly is arranged in the kettle body, a mud turning assembly is attached to the inner wall of the funnel part, and an aeration assembly is fixedly mounted at the bottom of the mud storage part. A motor II drives a driving shaft to rotate, so that a rotating pipe is driven to rotate, a U-shaped rod, an inclined plate and a sludge scraping plate synchronously rotate along with the rotating pipe to stir the interior of the kettle body, in the rotating process of the driving shaft, an air guide pipe, a grating and a shovel plate are driven to rotate, and the shovel plate turns over sludge on the inner wall of a funnel part; the air is sprayed upwards through the aeration nozzle for aeration; therefore, the purposes of sufficient contact between the fly ash and water, good soluble substance removal effect and good purity of the obtained leached particles are achieved.

The invention relates to the technical field of road drainage pipe crystal substance removal and collection, and discloses a road drainage pipe crystal substance removal and collection device which comprises two sets of supporting plates symmetrically installed on the left side of the top of a bottom plate, and a second water pipe is wound between the two sets of supporting plates. The washing assembly is mainly used for washing the interior of the road pipeline, the collecting assembly comprises a waste water tank fixed to the top of the bottom plate, the collecting assembly is mainly used for collecting stains generated after cleaning of the interior of the road pipeline, and the cleaning assembly comprises a first arc-shaped pipe fixed to the right end of a second water pipe. According to the device, crystal substances on the inner wall of the road drainage pipe can be rapidly cleaned, the working efficiency is improved, the labor cost is reduced, and meanwhile, the cleaned crystal substances in the road drainage pipe can be collected.

The present disclosure provides for a membrane comprising a substrate, an interlayer, and a polymer layer, wherein the interlayer is disposed on a surface of the substrate and the polymer layer is disposed on a surface of the interlayer opposite the substrate, further wherein the substrate comprises a thermoplastic, the interlayer comprises a two-dimensional nanomaterial and cellulose nanocrystals (CNC), and the layer comprises a polymer. Further provided herein is a method of water filtration comprising filtering a water mixture through the membrane as disclosed herein. Additionally, a method of separating a first solute and a second solute is provided. Further provided herein is a method of per- and polyfluoroalkyl substance (PFAS) removal comprising filtering a substance comprising PFAS through the membrane as disclosed herein, resulting in a retentate and a permeate.

The invention relates to the field of corrugated pipe cleaning, and provides a method for removing fluorescent substances on the surface of a welded corrugated pipe in order to solve the problem that the fluorescent substances on the surface of the corrugated pipe are difficult to effectively remove, and the method comprises the steps that S100, the corrugated pipe is completely immersed in a degreasing agent solution, and then an ultrasonic cleaning process is conducted; s200, the inside and the outside of the corrugated pipe are washed through pure water; s300, obtaining a fluorescent substance residue parameter through a fluorescent substance detection process, and obtaining a cleaning parameter of an ultrasonic secondary cleaning process according to the fluorescent substance residue parameter; and S400, after the corrugated pipe is cleaned according to the cleaning parameters, the cleaned corrugated pipe is obtained through a purging process. According to the method, grease is removed through the degreasing agent in the step S100, and the residual degreasing agent solution and grease on the surface of the corrugated pipe are removed through the pure water in the step S200. Due to the fact that the grease removal difficulty and the fluorescent substance removal difficulty are greatly reduced, the cleaning parameters of the ultrasonic secondary cleaning process can be set according to the fluorescent substance residue condition, and the removal efficiency is improved while the removal effect is ensured.

A gas production device that makes it possible to raise the temperature of a reaction unit by separating a removal unit from a reactor. The device has at least two reactors and a removal unit. The two reactors are connected in series and are configured to supply an oxidizing gas containing carbon dioxide, and a reducing gas containing a reducing substance. Each of the reactors accommodates a metal and / or a metal oxide which promotes reduction of the carbon dioxide or the reaction between the carbon dioxide and the reducing substance, thereby generating a valuable carbon substance. The removal unit is connected between the two reactors and has a phase separation mechanism that carries out phase separation of a gaseous component and a separated component including at least one of a liquid component and a solid component produced through cooling, thereby removing products derived from the gas supplied to the reactors.

A method for treating an object to be treated, the method including a step of bringing a boron-containing substance removal solution containing orthoperiodic acid and water into contact with an object to be treated having a boron-containing substance to remove the boron-containing substance. Further, a removal liquid for removing a boron-containing substance from an object to be treated having a boron-containing substance, the removal liquid containing positive periodic acid and water.

To provide a dust collection and purification device which removes fire factor substances at a level at which fire occurrence is sufficiently prevented and discharges clean air from which harmful substances, such as manganese in fine dust form, are removed.SOLUTION: A dust collection and purification device includes: a body 1 having a suction port 11 and a discharge port 12; a first cyclone 2 which performs a first stage cooling separation process by upward current; a second cyclone 3 which performs a second stage cooling separation process by downward current; a non-flammable filter 4 which performs a first stage removal process; and a high performance filter 5 which performs a second stage removal process. The first cyclone 2, the second cyclone 3, the non-flammable filter 4, and the high performance filter 5 are arranged within the body 1 so that air suctioned from the suction port 11 by a negative pressure is processed in order of the first cyclone 2, the second cyclone 3, the non-flammable filter 4, and the high performance filter 5 and discharged from the discharge port 12.SELECTED DRAWING: Figure 1

The invention discloses a mechanism for automatically removing magnetic substances in fluid materials, which comprises a support steel frame, a plurality of groups of material filter pipes are fixed on the support steel frame through pipe clamps, a U-shaped pipe is connected between every two adjacent material filter pipes through a stainless steel fast-assembly hoop, a lifting assembly is mounted on the support steel frame, and the lifting assembly is connected with the U-shaped pipe through the stainless steel fast-assembly hoop. A floating connector is installed on the lifting assembly, and a magnetic bar is installed at the bottom of the floating connector. The lifting assembly is arranged to control the magnetic bar to move up and down in the material filtering pipe, the magnetic bar is used for adsorbing magnetic substances when fluid flows through, efficient removal is achieved, a non-magnetic area is reserved at the bottom of the magnetic bar to serve as guidance, it is guaranteed that the magnetic bar is smoothly inserted into a magnetic sleeve, and the reliability and stability of magnetic substance removal are improved; the outer diameter of the magnetic bar is smaller than the inner diameter of the magnetic sleeve, the outer circle surface of the magnetic bar is ground to a mirror surface, it is guaranteed that the magnetic bar can be smoothly inserted into and pulled out of the magnetic sleeve, and abrasion generated by friction between the magnetic bar and the magnetic sleeve is small.

In variants, an air treatment module can include a sorption module defining a sorption cavity, an air intake channel, an air exhaust channel, and a target substance exhaust channel. The air treatment module can include a sorbent encapsulated within a sorbent structure (e.g., microencapsulated carbon sorbent) which can sorb carbon dioxide from air passing through the sorption cavity. The air treatment module can desorb carbon dioxide from the air and store the carbon dioxide in long term storage.

The invention discloses a thermal power plant desulfurization wastewater discharge treatment process, which belongs to the technical field of wastewater treatment, solves the problems of difficult colloidal substance removal, long process route and high treatment cost in the prior art, and comprises the following steps: introducing to-be-treated wastewater into a pretreatment system, adjusting the pH value of the wastewater through the pretreatment system, sequentially adding a coagulant and a coagulant aid to enable suspended solids and colloidal substances in the wastewater to form larger alumen ustum, separating the alumen ustum, introducing the separated alumen ustum into a softening treatment system to obtain softened water, introducing the softened water into a membrane concentration system to generate clear liquid reaching the standard and concentrated saline water, and introducing the concentrated saline water into an evaporative crystallization system or a flue atomization evaporation system. The pH value of the wastewater is adjusted through the pretreatment system, the coagulant and the coagulant aid are added to form alumen ustum, suspended solids and colloidal substances in the wastewater are separated and removed, concentrated saline water is treated through the evaporative crystallization system or the flue atomization evaporation system, the process route is simplified, and the treatment cost is reduced.

This water treatment apparatus comprises: a first electrodeionization device which removes a first ionic material from raw water; a second electrodeionization device which removes a second ionic material having a different charge amount from the first ionic material from the raw water; a first storage chamber; a second storage chamber; a purified water flow path along which flows purified water obtained by removing at least one of the first ionic material or the second ionic material; a first ion flow path which guides first stored water stored in the first storage chamber to the purified water flow path; a second ion flow path which guides second stored water stored in the second storage chamber to the purified water flow path; at least one ion valve which opens and closes the first ion flow path and the second ion flow path; and a controller which controls the first electrodeionization device, the second electrodeionization device, and the at least one ion valve.

The utility model relates to the technical field of screening devices, in particular to a drying and screening device for adsorbent particles, an equipment main body comprises a screening barrel, a drying part and a screening part, the drying part comprises a first side wall heating piece and a negative pressure substance removal channel, and the screening part comprises a screening net rack and a screening discharging channel; the barrel cover is arranged at the bottom of the screening barrel body, the barrel cover comprises a feeding opening, a motor mounting opening and a negative pressure connecting opening, a stirring motor is connected to the motor mounting opening, the stirring motor is connected with a stirring shaft, stirring blades are arranged at the bottom of the stirring shaft, and the stirring blades are arranged close to the screening net frame; the vertical vibration motor is arranged at the bottom of the screening barrel, and eccentric heavy hammers are arranged at the upper end and the lower end of the vertical vibration motor. The drying and screening functions are achieved on the same equipment, and meanwhile low-density impurities and light powder generated by drying are removed on the upper portion of the device through negative pressure suction.

A harmful substance removal system and method include a direct contact liquid concentrator having a gas inlet, a gas outlet, a mixing chamber disposed between the gas inlet and the gas outlet, and a liquid inlet for importing liquid into the mixing chamber. Gas and liquid mixing are mixed in the mixing chamber and a portion of the liquid is vaporized. A demister is disposed downstream of the mixing chamber. The demister includes at least one stage of mist elimination having a first filter that removes liquid droplets less than 9 microns in size. A fan is coupled to the demister to assist gas flow through the mixing chamber.

A virtual material that is a solid in all temperature regions is assumed, and the temperature in the vicinity of a pulse laser irradiation point is derived by using a heat conduction equation for a solid. A temperature that is increased from an initial temperature Tini preceding laser irradiation by a temperature derived by dividing the energy per unit mass necessary to vaporize a substance by the heat capacity per unit mass of the substance in a solid state is regarded as a virtual boiling point Tb. From a time t1 at which the temperature on a surface of the substance reaches Tb to a first pulse end time t1', the energy Eabsorption per unit area absorbed from the laser by the substance and the energy Erequired per unit area necessary to vaporize the substance from a surface z=0 to z=L1 are regarded as being equal. The thickness L1 by which the substance is removed by the first pulse is estimated.

In this method for estimating the feasibility of substance removal, the equation of heat conduction in solids is used to estimate a temperature rise in the vicinity of a laser irradiation spot for when a laser beam irradiates paint, rust, extraneous matter, etc. on the surface of a metal or other material, a hypothetical substance that is solid over the entire temperature range is introduced, and the temperature rise due to laser irradiation is determined on the basis of the temperature obtained by dividing the energy per unit mass required to vaporize the substance by the heat capacity per unit mass of the substance in the solid state.

The utility model belongs to rubber product cleaning technical field especially, it is air energy cleaning drying integrated machine, including cleaning drying box, the inside of cleaning drying box is provided with cleaning mechanism, the action of rubber product rotation cleaning is realized to cleaning mechanism. The bottom of cleaning drying box is provided with recovery filter mechanism, the action of recovery filter of wastewater after cleaning is realized to recovery filter mechanism. This air energy cleaning drying integrated machine, the rotation of cleaning flower basket and the even spraying of annular shower nozzle are realized to the overall removal of rubber product surface stain in the application, the driving motor is accurately controlled pivot disc movement through gear tooth ring, guarantees the cleaning evenness and stability. Wastewater is multilayer filtration through bottom recovery filter box, including metal net, plastic net, activated carbon, fibre and high density foam board, realizes rough filtration, fine filtration and harmful substance removal, improves water resource utilization efficiency through water pump backflow U type water inlet pipe simultaneously.

The invention discloses an in-situ iron removal and corrosion prevention and scale inhibition cooperative treatment process for high-salt and high-iron discharged and produced water, and relates to the technical field of coal bed gas exploitation water treatment. The method comprises the following steps: directionally converting dissolved Fe < 2 + > and generating an iron-containing hydrolysate in situ through homogeneous regulation, pH regulation and aeration enhanced oxidation, completing coagulation and flocculation by taking the iron-containing hydrolysate as an inorganic coagulation core and cooperating with a polymeric flocculation aid, carrying out solid-liquid separation and fine filtration to obtain reinjection effluent, and meanwhile, adding a corrosion and scale inhibition agent to realize corrosion and scale inhibition cooperative control. According to the method, coagulant does not need to be additionally added, the agent consumption and the sludge yield can be greatly reduced, the total iron removal rate and the suspended matter removal rate both reach 99% or above, and effluent meets the stratum reinjection index. The process disclosed by the invention is good in salt-tolerant adaptability and stable in operation, can effectively solve the problems of difficulty in iron removal, prominent corrosion and scaling, easiness in blockage during reinjection and the like of the high-salt and high-iron water body, and is high in engineering applicability.

The present application relates to the technical field of uranium purification conversion, and particularly relates to a method for removing organic matters in uranium-containing nitric acid-containing waste liquid by electro-catalytic oxidation, which comprises the following steps: insoluble organic matters in the uranium-containing nitric acid-containing waste liquid are removed by an oil removal tower, and the water phase is used as an original liquid for extraction; suspended matters, oil and gum substances in the raffinate water after extraction are removed by a gas float oil removal machine; the water phase after removal of the suspended matters, oil and gum substances is degraded by an electro-catalytic oxidation device under the action of an applied electric field; the mixed liquid after electro-catalytic oxidation is subjected to flocculation and sedimentation, so that the flocculation in the mixed liquid is polymerized and removed by filtration, and then the filtrate is transported to an evaporation concentration system and a membrane treatment system for deep uranium removal. The present application removes the organic matters in the uranium-containing nitric acid-containing waste liquid by electro-catalytic oxidation, so that the chemical oxygen demand in the waste liquid is reduced to below 100 mg / L, and the feeding requirements of the subsequent uranium deep treatment process and the final discharge requirements are met.

The application relates to the technical field of crushing waste batteries, in particular to an equipment and a process for dry crushing of waste batteries without fire, which comprises symmetrically arranged conveying belts, a detection area, a terminal removal area and an internal substance removal area arranged in sequence along the length direction of the conveying belts between the two conveying belts; the detection area can detect and process the power of the waste batteries; the waste batteries with power lower than a certain value can be processed in the next step; the waste batteries with power higher than a certain value are ejected from the equipment, so that the possibility of explosion of the batteries in the crushing process is reduced; the terminal removal area and the internal substance removal area can cooperate with each other to step by step and as completely as possible take out the battery shell, the carbon rod and the electrolyte of the waste batteries, so that the internal parts of the waste batteries are prevented from being randomly stacked together, the parts stacked together need to be sorted in subsequent recycling, the subsequent recycling efficiency is affected, and the relatively complete parts are beneficial to subsequent recycling and reuse.

The invention provides hydrothermal carbon-based biological nano-selenium as well as a preparation method and application thereof, the hydrothermal carbon-based biological nano-selenium is prepared by taking a selenium-resistant functional strain as a chassis cell and inorganic selenium as a precursor substance; then, with garden waste as a carbon-based raw material and biological nano-selenium as a selenium source, synthesizing hydrothermal carbon-based biological nano-selenium through a one-step hydrothermal carbonization method; finally, the obtained hydrothermal carbon-based biological nano-selenium is applied to harmful substance removal and biomass energy production of an arsenic-containing breeding wastewater anaerobic digestion system. The preparation process of the hydrothermal carbon-based biological nano-selenium is the combination of biological fermentation and hydrothermal reaction, the method is green, safe and low in energy consumption, the arsenic content in an anaerobic digestion final product of the aquaculture wastewater and the abundance of antibiotic resistance genes (ARGs) and pathogenic bacteria can be effectively reduced by adding the hydrothermal carbon-based biological nano-selenium prepared by the method into the arsenic-containing aquaculture wastewater, and the yield of the aquaculture wastewater is improved. Meanwhile, the methane yield is increased.

The invention provides an ecological restoration system for water pollution in the Yangtze river basin, and belongs to the technical field of ecological restoration. Comprising a floating island platform, a bioremediation assembly arranged on the floating island platform and a driving assembly, solid impurities large in size are filtered out through the primary filter screen plate, suspended solids, colloidal substances and the like in water are effectively intercepted through the MBR membrane plate, ammonia nitrogen, phosphate, organic matter and heavy metal in sewage are removed through the aquatic plants in all the planting grooves, and through the synergistic effect of the primary filter screen plate, the MBR membrane plate and the aquatic plants, the sewage treatment effect is improved. Large solid impurities are sequentially filtered, suspended colloidal substances are intercepted, and various pollutants are removed, so that the Yangtze River water pollution treatment effect is effectively improved.

The invention discloses a feed liquid combined purification device and a purification method, the device is used for oil-containing raw material pretreatment, and the device comprises: a filler layer used for intercepting solid particles and / or adsorbing substances dissolved in a water phase; the ceramic membrane substrates are arranged between the adjacent filler layers and serve as dividing walls of the filler layers; the ceramic membrane substrate is used for oil removal treatment of feed liquid and is provided with a plurality of channels vertically extending along a plate body, and the channels are used as inlet or outlet channels for feed liquid purification. According to the device and the method disclosed by the invention, the ceramic membrane substrate is used as a dividing wall of the filler layer, so that purification processes such as oil removal treatment, removal of solid particles and harmful substances dissolved in a water phase and the like can be completed in the same unit; two independent purification units, namely a ceramic membrane deoiling unit and a packed bed unit, are combined into a whole, so that the cost and the occupied space can be saved, and the investment of equipment such as a pump between the two existing independent units can also be saved.

A harmful substance removal system and method include a direct contact liquid concentrator having a gas inlet, a gas outlet, a mixing chamber disposed between the gas inlet and the gas outlet, and a liquid inlet for importing liquid into the mixing chamber. Gas and liquid mixing in the are mixed chamber and a portion of the liquid is vaporized. A demister is disposed downstream of the mixing chamber. The demister includes at least one stage of mist elimination having a first filter that removes particles greater than 9 microns. A fan is coupled to the demister to assist gas flow through the mixing chamber.

The application discloses an engineering slag pretreatment integrated equipment, which comprises an intelligent monitoring system and sequentially connected feeding system, multi-stage impurity removal system, multi-stage crushing system, granulation system and screening system, etc., the feeding system comprises a feeding bin with vibration, a screen mesh with spring damping is arranged at the inlet of the feeding bin, the multi-stage impurity removal system comprises an electromagnetic iron removal unit and a light substance removal unit, the multi-stage crushing system comprises a crushing bin and a three-stage rotary hammer unit, the granulation system comprises a granulation bin and a soil cutting knife unit, and the intelligent monitoring system monitors the working current fluctuation of each system in real time. The engineering slag adopts the pretreatment process of first removing impurities, then crushing, then granulating and finally screening, and has the advantages of reasonable process design, good pretreatment effect, high efficiency and the like; the slag wall sticking and blocking phenomenon is avoided, and the pretreatment efficiency is improved; the functions of impurity removal, crushing, granulation and screening are integrated, the adaptability to different characteristic engineering slags is high, and the application and popularization potential are great.