47results about How to "Adequate contact response" patented technology

The invention relates to the technical field of wastewater defluorination control, in particular to a wastewater defluorination control system suitable for a self-crystallization fluidized bed, which comprises a wastewater defluorination platform, an information acquisition unit, a defluorination state unit, a dosing supervision unit, a treatment matching unit, a tracking supervision unit and a management response unit, according to the method, analysis is carried out from two points of the target equipment and dosing, so that the defluorination efficiency of the target equipment is ensured, defluorination demand matching supervision analysis is carried out on the processing data in an information feedback mode, so that a defluorination scheme is reasonably matched according to the data processing condition, resource waste is avoided, the operation cost is reduced, and the method is suitable for popularization and application. Meanwhile, dosing control supervision feedback analysis is deeply carried out, on one hand, stirring interference of dosing is adjusted so as to ensure full contact reaction of fluorine ions in the wastewater, and on the other hand, the dosage is adjusted so as to ensure the fluorine removal efficiency of the wastewater and the rationality of automatic dosing control of chemicals.

The invention relates to the technical field of sulfur hexafluoride (SF6) gas thermocatalytic degradation, and discloses an SF6 dynamic degradation device which comprises a gas feeding unit, a reaction unit and a product post-treatment unit, and the reaction unit is a vertical reaction tube arranged vertically. A catalyst supporting component is arranged in the reactor, the catalyst supporting component is annular, and holes for gas to penetrate through are formed in the catalyst supporting component. According to the invention, the gas feeding unit, the reaction unit and the product post-treatment unit are integrated, and the reaction tube is arranged to be vertical, so that gas can uniformly move downwards under the assistance of gravity, the catalytic efficiency is further improved, the integrality of the device is improved due to high integration, and the overall movement and convenient use of the device are facilitated.

The application discloses a raw material storage device for nitrate production in the chemical industry, and belongs to the technical field of raw material storage devices, which comprises a storage tank body, relief ports are connected to the two sides of the top of the storage tank body, a breather valve is installed on the relief port, a main pipeline is connected to the air inlet and outlet of the breather valve, and an air inlet pipe is connected to the main pipeline; tail gas recovery mechanisms are symmetrically arranged on the storage tank body, the tail gas recovery mechanisms comprise recovery boxes which are fixed to the storage tank body through supporting rods, the two recovery boxes are connected to the main pipelines on the two sides respectively, a solution tank is fixed to the top wall of each recovery box, and two liquid outlet hoses are connected to the bottom of the solution tank; the raw material storage device can realize automatic spraying after waste gas accumulation reaches a standard and automatic shutdown after a reaction is completed, does not need uninterrupted spraying operation, greatly saves electric energy consumption and alkali consumption, and reduces invalid volatilization and loss of alkali.

The utility model discloses a production device for a cotton fabric pretreatment refining agent. The production device comprises a kettle body, a stirring unit, a driving unit, a material returning unit and a seat sleeve, the stirring unit comprises a stirring shaft, an upper stirring assembly and a lower stirring assembly which are respectively arranged above and below the stirring shaft, and a scraping and sweeping assembly which is correspondingly arranged; a feeding pipe is arranged at the top of the kettle body, and a discharging pipe is arranged at the bottom of the kettle body; the stirring unit composed of the stirring shaft, the upper stirring assembly, the lower stirring assembly and the scraping and sweeping assembly is arranged in the kettle body, the stirring unit is driven by the driving unit to rotate, materials in the kettle body are stirred, the stirring degree is higher, and a better stirring effect is generated; and by arranging the material returning unit, the materials in the kettle body circularly flow up and down, so that the preparation effect is relatively better. The stirring device has the advantages of relatively better stirring effect and better preparation effect.

The utility model relates to biogas fermentation tank technical field especially relates to a kind of double-membrane fermentation tank of high-efficiency biogas fermentation, the utility model discloses fermentation tank body, the inside rotation of fermentation tank body is connected with lifting cylinder, the inboard of lifting cylinder is fixed with several lifting slurry, the inside of fermentation tank body and located the inboard rotation of lifting cylinder is connected with transmission rod, the outboard of transmission rod is fixed with several stirring vane, the top end of stirring vane inside is provided for the drive mechanism of the reverse rotation of lifting cylinder and transmission rod, the utility model provides a kind of double-membrane fermentation tank of high-efficiency biogas fermentation, by starting drive mechanism to drive lifting cylinder and stirring vane to carry out reverse rotation, and lifting cylinder drives lifting slurry to be deposited organic matter in the bottom end inside fermentation tank body to be lifted upwards, deposited organic matter re-enters tank body, to effectively mix the organic matter and biogas slurry inside fermentation tank body, and the progress of fermentation reaction is accelerated.

The utility model relates to the technical field of steel smelting deslagging, and discloses a steel smelting deslagging device which comprises a placing table, the top of the placing table is fixedly connected with a connecting supporting plate, the top of the connecting supporting plate is fixedly connected with a bottom block, and the inner wall of the bottom block is rotationally connected with a rotating block. A slag removal tank body is fixedly connected to the top of the rotating block, a lower connecting block is fixedly connected to the side wall of the connecting supporting plate, a hydraulic rod is rotationally connected to the inner wall of the lower connecting block, an upper connecting block is rotationally connected to the top end of the hydraulic rod, and the upper connecting block is fixedly connected with the slag removal tank body. According to the device, the hydraulic rod structure and the collecting box structure are arranged, so that the effect of recycling products after work is finished can be better achieved, manual participation is reduced to a certain extent, time is saved, and during collecting, the liquid filter screen arranged at the bottom of the drawer can better filter molten steel, and convenience and rapidness are achieved.

The invention discloses chemical sewage treatment equipment, and belongs to the field of sewage treatment.The chemical sewage treatment equipment comprises a base, the top of the base is fixedly connected with a treatment box, a push plate is slidably mounted in the treatment box, the chemical sewage treatment equipment further comprises a mixing mechanism, and the mixing mechanism comprises an L-shaped plate slidably mounted on the outer wall of one side of the treatment box; a first motor is fixedly mounted at the top of the L-shaped plate, a rotating rod is fixedly mounted at the output end of the first motor, the bottom end of the rotating rod is rotationally connected with the push plate, the rotating rod is rotationally connected with the L-shaped plate, a scraping plate is in contact with the top of the push plate, and the scraping plate is fixedly connected with the rod wall of the rotating rod; according to the sewage treatment device, a chemical reagent can fully react with sewage, the situation that dissolving of organic substances in the sewage and decomposition of refractory substances are inconvenient in the past can be effectively avoided, the concentration of organic pollutants can be effectively reduced, and then the sewage treatment efficiency can be effectively improved.

The utility model relates to silicone sealant technical field especially, it relates to a base material production system used in the preparation of silicone sealant, including dehydration kettle and modification reation kettle, and the outlet of dehydration kettle and the outlet of modification reation kettle are connected with the reaction unit respectively, the top and bottom of reaction unit are equipped with inlet and outlet respectively, and the top of reaction unit is equipped with vacuum port, and the vacuum port is connected with vacuum buffer device, the outside of reaction unit is equipped with first heating part, and the inside of reaction unit is equipped with second heating part and pivot, and one end of pivot is connected with motor, and first dispersion part, second dispersion part and third dispersion part are equipped on pivot. The production system is reasonable in design, can guarantee that material mixes evenly, contacts reaction fully, also discharges the moisture in material, reduces and avoids the generation of air bubble when stirring, guarantees the quality of base material.

This invention belongs to the field of oil and gas field wastewater treatment technology, and discloses a treatment system and method for oil and gas field fracturing flowback fluid. The system comprises a de-gelling and flocculation system, a microbubble ozone system, a reverse osmosis interception system, and a bio-enhanced degradation system connected in sequence. The de-gelling and flocculation system receives the raw water to be treated and, through the synergistic effect of chemical de-gelling and physical swirling fields, separates and removes oily substances and suspended solids from the raw water, forming de-gelling permeate. The microbubble ozone system is used to deeply oxidize the de-gelling permeate, forming oxidation permeate. The reverse osmosis interception system is used to desalinate and deeply purify the oxidation permeate, forming reverse osmosis permeate. The bio-enhanced degradation system is used to degrade biodegradable pollutants in the reverse osmosis permeate to obtain system effluent. This invention achieves the comprehensive goal of a compact process and stable effluent that meets standards for reuse or discharge through a closed-loop treatment path of progressive pollutant reduction and differentiated purification.

The utility model relates to the technical field of desulfurization devices, in particular to a desulfurization device for waste gas treatment, which is characterized in that the inner wall of a treatment tower is fixedly connected with a plurality of baffle plates which are uniformly distributed along the vertical direction and are staggered left and right, and the upper end of each baffle plate is integrally provided with a desulfurization tank; a plurality of evenly-distributed overflow pipes are integrally embedded in the baffle plates respectively, the lower ends of the overflow pipes are in threaded connection with sprayers respectively, the backflow pipe is fixedly communicated with a liquid storage device, the bottom of the liquid storage device is fixedly communicated with the inlet end of a liquid supply pipe, and the outlet end of the liquid supply pipe is fixedly communicated with the inlet end of a lifting pump. The outlet end of the lifting pump is fixedly communicated with the inlet end of a spraying pipe, the inlet end of the spraying pipe penetrates into the tower body and corresponds to the desulfurization tank on the uppermost side, the inner wall of the treatment tower is fixedly connected with a longitudinal shaft, and the longitudinal shaft is rotationally connected with a buffer impeller corresponding to the outlet end of the spraying pipe; a smoke exhaust auxiliary assembly is also arranged at the upper part of the treatment tower.

The present invention relates to a catalyst support structure comprising: a mesh structure containing a catalyst; the screen plate is arranged on the end face of the lower tube plate; the locking piece is used for pressing the screen plate; wherein one end of the net structure is arranged in a tube hole of the lower tube plate, and the other end of the net structure is arranged along the end face of the lower tube plate; the mesh plate exposes the tube holes of the lower tube plate; the locking piece penetrates through the net plate and is connected with the end face of the lower tube plate; the density of the net structure is gradually increased in the medium flowing direction. Mutually staggered plate spaces are alternately formed on the two sides of the screen plate; the plate space on one side is communicated with a tube hole of the lower tube plate; a curled edge is formed in the position, close to the pipe hole of the lower pipe plate, of the net plate; and the plate space on the other side is communicated with the hemming position. The problems that in an existing scheme, fine particles in a catalyst accumulate near a metal net to form blockage, the flow speed of a medium is decreased, the fine particles in the catalyst flow out through the metal net, and the medium quality is affected are solved.

The utility model discloses a wastewater treatment device for titanium zirconium ore processing, which belongs to the technical field of ore processing and comprises a treatment tank and a tank cover. The driving rod is rotationally connected to the tank cover; the storage barrel is fixedly connected to the bottom of the driving rod; the plurality of groups of stirring pipes are fixedly connected to the side wall of the storage barrel; a pressure release valve is connected in the stirring pipe; according to the utility model, the driving cylinder intermittently inflates and accumulates pressure into the material storage cylinder, so that a disinfectant in the material storage cylinder can be discharged into the treatment tank in batches, and the disinfectant is fully mixed with wastewater, thereby solving the problems of uneven mixing and slow disinfection rate due to the fact that the disinfectant is discharged into the wastewater at one time in the prior art; the mixing effect is effectively improved, and the disinfection efficiency is improved; meanwhile, the stirring pipe is arranged in an arc shape, the liquid spraying direction is opposite to the rotating direction, the disinfectant can effectively collide with the stirred waste water when being sprayed out, the mixing effect and the disinfection efficiency are further enhanced, and the disinfectant and the waste water are promoted to be more fully contacted and reacted.

The invention discloses a closed filtering and collecting device for nanometer material purification, and relates to the technical field of nanometer material purification, the closed filtering and collecting device comprises a purification tank main body; the interior of the purification tank main body is divided into a filter chamber, a purification chamber and a blanking chamber, a hollow pipe is arranged in the middle of the purification chamber, fixed filter pipes are annularly and uniformly distributed on the periphery of the hollow pipe, and a nano material is settled and purified in the fixed filter pipes; a piston plate is movably arranged in the hollow pipe, and a movable inner cylinder is movably arranged on the outer side of the fixed filter pipe. According to the invention, stable ascending airflow disturbance can be provided in the purification and sedimentation process of the nano material, so that the floating purification treatment time of the nano material in the fixed filter tube is prolonged; meanwhile, airflow disturbance in the horizontal direction is carried out to promote the purified gas to be in full contact with the nanometer material; metal impurities in the carbon nanotubes are fully reacted with purified gas, the metal impurities are separated from the carbon nanotubes, the high-purity carbon nanotubes are prepared, the steps are simple, the conditions are mild, and high efficiency and rapidness are achieved.

The utility model relates to a mechanical part machining and deburring device which comprises a machining frame, a deburring table is welded to the inner wall of one side of the machining frame, a driving motor is connected to one side of the interior of the deburring table through bolts, a rotating disc is welded to the end of the driving motor, and an elastic strip is arranged on one side of the bottom of the rotating disc. A clamping piece is movably connected to the bottom, close to the elastic strip, of the rotating disc, a chassis is movably clamped to the top of the deburring table, a clamping groove is formed in the bottom of the chassis, a machining table is connected to the top of the chassis through bolts, a connecting frame is welded to one side of the top of the machining frame, and a limiting groove is formed in one side of the connecting frame. According to the deburring device, after the rotating disc moves, the clamping piece facilitates rotating adjustment of the chassis, deburring of accessories on a machining table at different angles is facilitated, after the swing rod moves, the pushing frame drives the deburring wheel to move, and the deburring wheel can be operated more flexibly.

The utility model discloses an industrial smoke purification system, which relates to the technical field of industrial smoke purification, and comprises a fixing frame, a denitration structure is arranged on the fixing frame, the denitration structure comprises a denitration tank body, the middle part of the fixing frame is provided with the denitration tank body, the middle part in the denitration tank body is fixedly connected with a dispersion component, and the dispersion component is used for dispersing a denitration catalyst; the rotating assembly is arranged between the fixing frame and the denitration tank body, and the rotating assembly is used for rotating the denitration tank body; the limiting assembly is arranged between the rotating assembly and the fixing frame, and the limiting assembly is used for locking the denitration tank body; and the positioning assembly is arranged on the limiting assembly, and the positioning assembly is used for jacking the limiting assembly. According to the utility model, the denitration structure is arranged, so that the denitration tank body can be conveniently turned by utilizing the matching of the rotating component, the limiting component and the positioning component, and a denitration catalyst can roll along the dispersing component, so that the denitration catalyst can be fully contacted with industrial smoke.

The invention discloses a high-purity polyene fish oil extracting and distilling device, and relates to the technical field of distilling devices.The high-purity polyene fish oil extracting and distilling device comprises a distilling retort and a support for installing the distilling retort on the distilling retort, a motor is fixedly installed on the support, the output end of the motor rotationally penetrates through the outer wall of the support, and a rotating shaft is fixedly installed at the output end of the motor; the circumferential surface of the rotating shaft is in contact with the distillation retort, a fixed frame is fixedly mounted on the outer wall of the rotating shaft, the outer wall of the fixed frame is in contact with the distillation retort, and a distillation heater is mounted in the fixed frame; the high-purity polyene fish oil extracting and distilling device further comprises a turning mechanism mounted on the rotating shaft and an anti-sticking mechanism mounted on the rotating shaft, and during distillation and extraction, the rotating shaft drives the turning plate to turn over an extract, so that the extract is prevented from standing on an evaporation surface to form a liquid film boundary layer; the component separation rate in unit time is greatly improved, and the distillation time consumption is reduced.

The utility model provides a flue gas desulfurization, denitrification and dust removal device, and relates to the technical field of flue gas treatment, the flue gas desulfurization, denitrification and dust removal device comprises a shell, a desulfurization and denitrification assembly and a filter screen; the desulfurization and denitrification assembly comprises a liquid storage tank, a liquid supply pump, a liquid supply pipe and a plurality of partition plates; the filter screen is located above the partition plate, an air inlet pipe is arranged on the shell in a penetrating mode, the air inlet pipe is located below the partition plate, an air outlet pipe is arranged on the shell in a communicating mode, and the air outlet pipe is located above the filter screen. According to the device, flue gas and a desulfurization and denitrification agent are in contact for multiple times, the flowing time of the flue gas in the shell can be prolonged through the S-shaped channel, then the contact time of the flue gas and the desulfurization and denitrification agent is prolonged, the flue gas and the desulfurization and denitrification agent are subjected to full contact reaction, and the flue gas desulfurization and denitrification effect is improved.

The present invention relates to the technical field of water treatment, and specifically to a method for photocatalytic treatment of industrial oily wastewater. After a double core-shell structure photocatalyst is added to the industrial oily wastewater, light is continuously provided for photocatalytic treatment. The double core-shell structure photocatalyst has a bimetallic sulfide as a core, titanium dioxide as an intermediate shell layer, and a perovskite-type oxide as an outer shell layer. The photocatalytic treatment method provided by the present invention has an excellent treatment effect on industrial oily wastewater and can be widely promoted and applied.

The application relates to the technical field of sodium hypochlorite production and preparation, and particularly discloses a device for continuously preparing high-purity sodium hypochlorite, which comprises a first reaction kettle, a first water inlet pipe is connected with a water inlet of the first reaction kettle, and a first conveying pump is arranged on the first water inlet pipe; a first back pressure valve is arranged on the first water inlet pipe between the first conveying pump and the first reaction kettle; a first jacketed heat exchanger is sleeved on the outer circumferential surface of the first reaction kettle, a first jacketed heat exchanger inlet and a first jacketed heat exchanger outlet are arranged on the first jacketed heat exchanger, the first jacketed heat exchanger inlet is connected with a drain outlet of the first reaction kettle through a pipeline, the first jacketed heat exchanger inlet is connected with cooling water through a pipeline, and a second back pressure valve is arranged on the pipeline between the cooling water and the first jacketed heat exchanger inlet. The application has the characteristics of being capable of reducing by-products, improving the effective content and reducing the waste of raw material chlorine.

The invention relates to the technical field of water treatment, and specifically to a combined treatment method for industrial sewage. An ozone catalyst is first added to the industrial sewage, and ozone is continuously provided for ozone catalytic oxidation, and clear liquid is collected. A photocatalyst is then added to the clear liquid, and light is continuously provided for photocatalytic oxidation treatment. The ozone catalyst is a spinel ferrite. The photocatalyst has a multiple core-shell structure, and the photocatalyst uses Fe3O4 microspheres as the core, and from the inside to the outside, there are SiO2 layers, Ag layers and perovskite oxides. The invention achieves a removal efficiency of 99.9% for oil pollution in petroleum industrial sewage in a relatively short time through ozone catalytic oxidation combined with photocatalytic oxidation, and the catalysts are all magnetic and easy to remove, and the reaction conditions are mild and there is no secondary pollution.

The present application relates to the technical field of chemical equipment, and particularly relates to a reaction system for preparing butyraldehyde by propylene carbonylation, which comprises a carbonyl synthesis reactor, a condenser and a circulating pump, the top of the carbonyl synthesis reactor is connected with the gas inlet pipeline of the condenser, the top gas outlet of the condenser is provided with a tail gas discharge pipeline, the bottom liquid outlet of the condenser is connected with the upper pipeline of the carbonyl synthesis reactor; the bottom of the carbonyl synthesis reactor is connected with the liquid inlet of the circulating pump, the liquid outlet of the circulating pump is connected with the upper pipeline of the carbonyl synthesis reactor, and the liquid outlet of the circulating pump is also provided with a propylene adding pipeline on the pipeline connected with the upper part of the carbonyl synthesis reactor; the carbonyl synthesis reactor is also provided with a carbonyl reaction tail gas inlet pipeline and a reactant flow pipeline, and the carbonyl reaction tail gas inlet pipeline is provided with a synthesis gas inlet pipeline. The device can quickly reduce the carbon monoxide partial pressure.

The invention belongs to the technical field of feeding control, and provides a feeding device for powdery raw materials for hydrogen production and a feeding control method.The feeding device for the powdery raw materials for hydrogen production comprises a supporting frame, the supporting frame is fixedly connected with a material storage box, the material storage box is connected with a screening mechanism capable of screening the powdery raw materials, and the screening mechanism is arranged on the supporting frame. The screening mechanism is fixedly connected with a material guiding barrel, the interior of the material guiding barrel is divided into a first groove cavity and a second groove cavity through a partition plate, and the screening mechanism can guide screened powdery raw materials into the first groove cavity and the second groove cavity; a connecting frame is fixedly connected to the bottom of the material guiding barrel and rotationally connected with a flow guiding mechanism. According to the invention, under the vibration action of the sleeve, the powdery raw material is dispersed and is in full contact with hot air at the same time; furthermore, under the vibration effect of the sleeve, the dispersion uniformity of the powdery raw materials in the storage filter element can be further improved.

The invention relates to the technical field of 3D printing concrete, in particular to low-carbon 3D printing alkali-activated composite cement mortar and a preparation method thereof.The mortar is prepared from, by weight, 400-500 parts of low-calcium fly ash, 300-400 parts of granulated blast furnace slag, 180-220 parts of ordinary Portland cement, 1400-1600 parts of quartz sand, 47.5 parts of solid sodium carbonate, 10 parts of solid citrate and 359-370 parts of water. The preparation method comprises the following steps: preparing an alkali activator by using sodium carbonate, citrate and water as raw materials, and standing at normal temperature; preparing the low-calcium fly ash, the granulated blast-furnace slag, the Portland cement and the quartz sand according to a preset proportion, and stirring and mixing; and adding the standing alkali activator, continuously stirring, slowly stirring, preliminarily dispersing and mixing, and quickly stirring and mixing to obtain the low-carbon 3D printing alkali-activated composite cement mortar. The carbon emission can be reduced, and the safety can be improved.

The utility model relates to the technical field of waste gas treatment, in particular to an oil fume smell processor which comprises a top cover, a supporting frame is fixedly connected to the bottom of the top cover, oil fume suction assemblies are arranged on the left side and the right side of the supporting frame, a purification box is fixedly connected to the middle of the top of the top cover, and a feeding port is fixedly connected to the right side of the top of the purification box. A discharging assembly is arranged on the left side of the top of the purifying box, a driving motor is fixedly connected to the middle of the top of the purifying box, a rotating shaft is rotatably connected to the bottom end of the driving motor, the bottom end of the rotating shaft penetrates through the top of the purifying box and extends to an inner cavity of the purifying box, and stirring rods are evenly distributed on the surfaces of the left side and the right side of the rotating shaft; the number of the stirring rods is six, the six stirring rods are evenly distributed on the surfaces of the left side and the right side of the rotating shaft, the rotating shaft is arranged in an L shape, and oil dirt in smoke can be fully dissolved and absorbed.

A device for producing potassium chloride reverse flotation reagent using a granular copper-nickel catalyst, relating to the field of salt lake chemical technology, is disclosed. The device structure comprises: a connecting plate at the upper end of the reactor connected to a flange via bolts; a motor connected to a stirring shaft; the stirring shaft extending through the center of the flange into the reactor; and an upper stirring paddle and a stirring basket connected to the stirring shaft; the upper stirring paddle is a downward-pressure type. The advantages of this invention are: design tailored to the characteristics of granular catalysts; the use of a stirring basket; and the introduction of morpholine gas via a hydrogen gas flow, ensuring sufficient contact and reaction between hydrogen and morpholine gas and the granular catalyst. The combination of upward-tumbling and downward-pressure stirring effectively directs the escaping gas to the bottom of the catalyst mesh, facilitating the gas-liquid-solid three-phase reaction.

The invention relates to the field of solid foam scrubbing rods used for gas exhausting and gas recovery in gas field exploitation, in particular to a solid foam scrubbing rod manufacturing device and method.The manufacturing device comprises a heating reaction constant-temperature container, a cylindrical mold, a bullet mold and a cutter, and a heating constant-temperature system is arranged in the heating reaction constant-temperature container; the bullet mold is attached to the discharging end of the cylindrical mold, the heating reaction constant-temperature container communicates with the cylindrical mold, and liquid in the heating reaction constant-temperature container is input into the cylindrical mold and the bullet mold; pressurizing the cylindrical mold to enable the liquid to be filled in the cylindrical mold body and the bullet mold to be solidified and formed into a preset shape; the cutter is used for cutting formed rocket-shaped and cylindrical solid foam scrubbing rods. The invention further provides a method for manufacturing the solid foam scrubbing rods by using the device. The liquid foam scrubbing agent can enter the reverse mold of the mold to be formed through hydraulic extrusion, and higher quality and production efficiency are achieved.

The invention discloses a method for deactivating an active catalyst of a modified starch and cyclododecatriene (CDT) reaction liquid. The method uses starch molecules as a skeleton, and obtains a modified starch containing hydroxyl and amino groups on a molecular chain through gelatinization reaction, oxidation reaction and amino modification reaction. The modified starch is used as a quencher to deactivate the active catalytic groups in the reaction liquid, and the active catalytic groups can be removed by a simple centrifugal filtration physical operation, thereby improving the stability of the CDT product and realizing low-cost, continuous and stable operation of the device.

The utility model discloses a low-temperature denitration device for hazardous waste incineration flue gas, which comprises a denitration tower body, and a plurality of pipelines are arranged on the denitration tower body; the reaction shell is arranged inside the denitration tower body, and an air inlet and an air outlet are respectively formed in the upper end and the lower end of the reaction shell; the liquid storage shell is arranged in the reaction shell, the end part of the liquid storage shell extends to the outside of the denitration tower body, and a discharge flue is formed in the reaction shell; the spraying mechanism comprises a spraying end, a backflow end and a stirring end, one end of the spraying end is communicated with the liquid storage shell, and the other end of the spraying end is arranged in the discharge flue and used for spraying flue gas; and the backflow end is arranged at the bottom of the denitration tower body. The low-temperature denitration device disclosed by the utility model has the beneficial effects that the technical problems that in a low-temperature denitration device in the prior art, after flue gas enters a tower body, the flue gas cannot be in full contact with a calcium carbonate solution, and meanwhile, spraying liquid cannot be reutilized, so that the flue gas filtering efficiency is relatively low are solved.

The invention discloses a method for extracting silicon resources through a low-temperature smelting method and application of the method, and relates to the technical field of inorganic oxide processing. Micro silicon powder and the like are used as raw materials, a small amount of surfactant is added to increase the dispersity of the raw materials and accelerate the reaction process, and the silicon resources in the raw materials are extracted through low-temperature smelting in an alkaline environment; and preparing the silicon dioxide aerogel by using a sol-gel method and normal-pressure drying. Low-temperature smelting is carried out at 300-550 DEG C, energy consumption is low, environmental pollution is small, calcination at the high temperature of 800 DEG C or above is not needed, a small amount of added water can be evaporated in the heating stage, and the method is fundamentally different from wet-method preparation. The invention opens up a new thought for exploring high-value utilization of industrial solid wastes.

The invention discloses a rubber tire waste gas peculiar smell decomposing agent as well as a preparation method and application thereof, relates to the field of peculiar smell and waste gas treatment in the rubber tire industry, and can effectively solve the problems of standard pollution and peculiar smell complaint of residents in the existing rubber tire waste gas treatment field. The rubber tire waste gas peculiar smell decomposing agent comprises the following components in percentage by mass: 2%-10% of linalool, 1%-15% of alpha-terpineol, 1%-15% of hexamethylenetetramine, 5%-30% of an auxiliary agent, 0.1%-5% of zinc pyrithione, 0.1%-3% of an antibacterial agent and the balance of water. The peculiar smell decomposing agent disclosed by the invention has an obvious treatment effect on peculiar smell gas discharged by the rubber tire industry, and can be used for treating part of VOC gas while efficiently removing peculiar smell, so that a synergistic treatment effect is achieved. The peculiar smell decomposing agent further has the following advantages that non-covering type thorough purification and peculiar smell removal are achieved; the cleaning agent is nontoxic, non-corrosive, non-irritant, safe, environment-friendly and free of secondary pollution; the preparation process is simple, the dilution ratio is high, the cost performance is high, and the operation cost is low; and the application form is flexible and the application scene is wide.