47 results about "Substance removal" patented technology

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 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 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 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.

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.

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 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.

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 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.

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.

The invention discloses a smelly substance removal method based on an oxidation technology, and relates to the field of water purification treatment. The method comprises the following steps: adjusting the concentration of 2-MIB in raw water, and controlling the pH value in a range beneficial to oxidation reaction; raw water is introduced into oxidation equipment containing a reaction column, ozone and hydrogen peroxide are added, a transition metal oxide catalyst and an organic synergist are added for synergistic oxidation, the transition metal oxide catalyst is at least one of MnO2, Fe2O3 and CuO, and nano-scale particles are prepared and loaded on a porous carrier; and carrying out coagulating sedimentation treatment on the oxidized water body. By adjusting the water quality of raw water and utilizing ozone, hydrogen peroxide, a transition metal oxide catalyst and an organic synergist for synergistic oxidation, the removal rate of odor substances is effectively increased, the stability and cyclic utilization efficiency of the catalyst are enhanced, and the defects in the aspect of odor substance removal in the prior art are overcome; the requirement of standard treatment of odor substances of drinking water is met.

The application provides an integrated containment pressure-suppression filter discharge system, which comprises a containment, a discharge valve, a discharge pipeline, a nozzle, a first-stage pressure-suppression water tank, a second-stage pressure-suppression water tank, a baffle plate steam-water separator, an expansion tank, a bursting disc structure, a combined metal fiber filter layer, a radiation monitor, a first stop valve and a second stop valve. The application is provided with two-stage pressure-suppression water tanks, and the two-stage bubbling water washing realizes a high removal efficiency of gas-borne radioactive substances, and then the existing cabin arrangement combined metal fiber filter is used, so that the requirement of rapid pressure reduction and radioactive substance removal of the containment under LOCA accident conditions can be met, and the problem of too many resources occupied by the existing containment filter discharge system of a nuclear power plant is solved, and the economic efficiency is high.

The invention discloses a gradient heating polymerization method and system for ultrahigh molecular weight hydroxyl silicone oil, and belongs to the field of preparation of organic silicon materials. The invention aims to solve the problems of wide molecular weight distribution of products, low polymerization efficiency, poor stability and inaccurate process control in the prior art. The method comprises the steps of raw material pretreatment (accurate mixing of octamethylcyclotetrasiloxane, deionized water and a composite catalyst), three-stage gradient heating polymerization (combining pressure regulation and control and regular water replenishing) and post-treatment (neutralizing with acetic acid and purging with inert gas to remove low-boiling-point substances). The system comprises a raw material pretreatment unit (provided with a constant-temperature jacket and a metering device), a polymerization reaction unit (PLC temperature control and online monitoring) and a post-treatment unit (provided with a low-boiling-point substance removal device with stainless steel corrugated packing). The whole process is accurately controlled, the molecular weight distribution index of the product is smaller than or equal to 1.3, the hydroxyl retention rate is larger than or equal to 95%, the low-boiling-point residue is smaller than or equal to 0.1%, and the product quality and the production efficiency are improved.

This substance removal thickness estimation method involves: estimating, by using a solid heat conduction equation, a rising temperature in the vicinity of a laser irradiation point when a coating, rust, a deposit, or the like on the surface of a material such as a metal is irradiated with a laser beam; introducing a virtual substance which is a solid in the whole temperature range; and assuming that energy per unit area absorbed by the substance from the laser is equal to the energy per unit area required for vaporizing the substance having a prescribed depth from the surface, thereby estimating the thickness at which the substance on the surface is removed.

An ultrapure water production apparatus includes: a receiving unit that accepts water to be treated; a first pump that feeds the water to be treated; an ultraviolet irradiation device at a secondary side of the first pump to perform ultraviolet oxidation treatment; an oxidizing substance removal device remove at least oxidizing substances from the outlet water of the ultraviolet irradiation device; and a second pump installed at a subsequent stage of the oxidizing substance removal device to feed outlet water of the oxidizing substance removal device as ultrapure water. At least a portion of the ultrapure water produced is circulated to receiving unit. The oxidizing substance removal device includes a chamber positioned between an anode and a cathode, and filled with an ion exchanger. At least a portion of the ion exchanger is an ion exchanger on which a metal catalyst is supported.

The utility model provides a trimethylthio-propionaldehyde purification device, and relates to the technical field of chemical production, the trimethylthio-propionaldehyde purification device comprises a light substance removal assembly and a heavy substance removal assembly, organic liquid enters a light substance removal tower, after boiling, light substances containing trimethylthio-propionaldehyde enter a light substance condenser through a light substance exhaust pipe, and the light substances containing trimethylthio-propionaldehyde enter a heavy substance condenser through a heavy substance exhaust pipe; by means of the light substance condenser and the first backflow pipe, light substances of the trimethylthiopropionaldehyde are repeatedly distilled, so that the light substances do not contain the trimethylthiopropionaldehyde, the yield of the trimethylthiopropionaldehyde is increased, the trimethylthiopropionaldehyde containing heavy substances enters the heavy component removal tower through the feeding pipe, and the heavy component removal tower is used for removing heavy components of the trimethylthiopropionaldehyde. The heavy component removal tower is used for removing heavy substance components higher than the trimethylthiopropionaldehyde, the boiled trimethylthiopropionaldehyde and a small amount of heavy substance components are converted into gas phases, the gas phases enter the heavy substance condenser through the distillation exhaust pipe and then are repeatedly distilled through the heavy substance condenser and the second return pipe, so that the trimethylthiopropionaldehyde does not contain heavy substances, and the trimethylthiopropionaldehyde does not contain heavy substances. The yield of the trimethylthiopropionaldehyde is improved.

The utility model provides a kind of magnetic substance removal device, it is related to silicon material cleaning technical field.The utility model includes conveyer belt, and circulating mechanism is located above conveyer belt, multiple magnetic rods are located on circulating mechanism, and cleaning block is located on circulating mechanism, wherein, the circulating mechanism drives multiple magnetic rods to do horizontal circulating motion parallel to the horizontal direction of conveyer belt, the magnetic rod elastically rotates on circulating mechanism, the cleaning block side wall is on the magnetic rod movement track and is uneven slope, and the circulating mechanism side is equipped with guide plate.The utility model magnetic rod has self-cleaning function, and automatically removes the adsorbed magnetic substance to keep the adsorption capacity to magnetic substance.

The utility model provides a magnetic substance removing device, which relates to the field of iron remover equipment and comprises a conveying belt, a frame body, a mounting plate, a horizontal moving component, a fixed plate, a first electromagnetic iron remover, a second electromagnetic iron remover and a suspension component, according to the device, the process of removing the magnetic substances in the powder flame retardant can be carried out in a fixed time period by changing the positions of the two electromagnetic iron removers in the horizontal direction, and the conveying belt does not need to be shut down for a long time in the subsequent discharging process of the electromagnetic iron removers, so that the shut-down time is greatly shortened; and the process flow for removing the magnetic substances in the powder flame retardant is better.

The invention relates to the technical field of water treatment, and discloses a targeted removal method for trace perfluorinated and polyfluoroalkyl substances in drinking water based on bionic adsorption-electric control membrane coupling, which comprises the following steps: constructing a bionic adsorption-electric control membrane coupling structure; a preceding-stage bionic adsorption material in the bionic adsorption-electric control film coupling structure is used for adsorbing trace perfluorinated and polyfluoroalkyl substances in drinking water in a targeted manner; determining optimal electric control membrane regulation and control parameters based on an intelligent algorithm of physical constraint and data driving fusion; the surface electrical property and the pore channel structure of the post-response type electric control membrane are adjusted by utilizing the optimal electric control membrane regulation and control parameters, and residual perfluoro and polyfluoroalkyl substances in the adsorbed water body are selectively intercepted. According to the invention, the problems of low removal efficiency, poor selectivity, high operation energy consumption, difficult material regeneration, lagging system regulation and control and the like of trace perfluorinated and polyfluoroalkyl substances in the existing drinking water treatment are effectively solved, and an innovative and practical solution is provided for the safety guarantee of drinking water.

The utility model discloses a removal device for pollutants in flue gas, and relates to the technical field of removal devices, the removal device for the pollutants in the flue gas comprises a flue tower, the flue tower defines a flue, an air inlet and an air outlet are formed in the flue tower, and the flue is communicated with the air inlet and the air outlet; the plurality of substance removal discs are used for removing pollutants in flue gas, the plurality of substance removal discs are sequentially arranged in the extending direction of the flue, at least part of each substance removal disc is located in the flue, and at least two substance removal discs are used for removing different types of pollutants in the flue gas. Therefore, the plurality of substance removal discs are arranged for removing the pollutants in the flue gas, the plurality of substance removal discs are sequentially arranged along the extending direction of the flue, and the at least two substance removal discs are used for removing different types of pollutants in the flue gas, so that various pollutants can be removed at one time, and the pollutant removal cost can be further reduced; and the device for removing the pollutants in the flue gas is simple in structure, simple to operate and small in occupied area.

The application discloses a kind of for smell substance removal gas-liquid dosing device, including first box, the first box both sides symmetry is equipped with rotary drum, rotary drum side sealed bearing is connected with shaft sleeve;With the vertical center line of the first box symmetry installation advances mechanism and swing mechanism, the advance mechanism includes and is inserted in the rotary drum outside not less than one leaf plate of limit, multiple the leaf plate is used in water body inside auxiliary first box advance;The swing mechanism includes the connecting head nested in the shaft sleeve one side inside.The device designed in the application, device can be small amplitude left and right swing in the process of advancing, and ozone and hydrogen peroxide are respectively added by first spray head and second spray head, and the adding track of two is different, cooperate the rotation of rotary plate on the both sides of rotary lever and the stirring effect of leaf plate, can effectively make ozone, hydrogen peroxide and smell substance in water body fully mixed reaction, greatly improve the removal efficiency of smell substance in water body.