251results about How to "Improve purification efficiency" patented technology

The present application relates to a multi-column combined low-pressure column chromatography device and a process for purifying (S)-1-(carbamoyl)methyl-4-hydroxy-2-pyrrolidinone reaction liquid. It comprises a sample column (1), a rough separation column (2), a fine separation column (3), a target product collection tank (4), a waste mobile phase collection tank (5), a waste mobile phase regeneration system (6), a mobile phase storage tank (7), a cleaning liquid storage tank (8), a waste liquid tank (9), a pump (10), and a valve (11). The device cooperates with a specific process to significantly improve the column chromatography separation efficiency and impurity removal capacity, completely separates the impurities with similar polarity, realizes high productivity and high impurity removal capacity under the condition of severe load overload of the chromatographic column, and correspondingly reduces the use amount of the mobile phase by more than 60%. The purity of the crude product after the column can reach more than 99%, and the yield is stable at more than 85%.

The utility model provides a kind of etching liquid's acid-base waste gas spray tower, including tower body, water outlet pipe being passed in tower body, the top of tower body is equipped with exhaust port, tower body is sequentially provided with the aeration device for being used to pass into waste gas and carry out aeration, the purification device for purifying waste gas and the spray device for spraying from below to top in it, the bottom of tower body is formed with water storage pool, and aeration device is located in water storage pool;Purification device includes the partition plate being arranged in tower body, the purification piece being arranged on partition plate, partition plate is equipped with mounting groove, the bottom of mounting groove is equipped with through hole, and through hole is through in partition plate and is communicated with mounting groove;Purification piece includes the mesh enclosure being arranged in mounting groove, the adsorption ball being arranged in mesh enclosure and the cover plate being arranged on mesh enclosure, and adsorption ball is filled in mesh enclosure, cover plate is arranged on the top of mesh enclosure, and micro gap is formed between cover plate and partition plate.The utility model has the advantages of low energy consumption and high purification performance.

The utility model discloses a multi-layer conveying mechanism for plate purification and a drying cabin, relates to the technical field of plate purification, and can solve the problems that the number of plates in a purification drying cabin at the same time is small and the purification efficiency is low due to an existing conveying mechanism. The multi-layer type conveying mechanism for plate purification comprises two sets of circular track mechanisms arranged on the front side and the rear side of a cabin body correspondingly, and each circular track mechanism comprises an upper circular track assembly and a lower circular track assembly which are arranged at the top and the bottom of the cabin body correspondingly; the upper circular track assembly and the lower circular track assembly are arranged in parallel; a gap for accommodating a plate main body to transversely pass through is formed between the two groups of circular track mechanisms; the bearing plates are vertically arranged on the two sets of circular rail mechanisms, and the bearing assemblies are distributed on the bearing plates at intervals along a plurality of height arrangement planes and used for bearing plate bodies. The top and the bottom of the bearing plate are fixed to an upper circular track assembly and a lower circular track assembly of the circular track mechanism respectively.

The utility model belongs to the technical field of roadway dust removal, and relates to an air flow purification device of a fully-mechanized face air return crossheading, which comprises a frame type component, a lifting component, a lower rotating component, an upper rotating component and a spraying component, the frame type component is used for allowing an operation vehicle to pass through, and the lifting components are arranged on the two sides of the frame type component and used for achieving lifting of an upper structure in the frame type component; a spraying component is arranged in the middle of the upper structure of the frame type component and used for treating dust in an area where a vehicle passes through. The rotating lower part is hinged with one side of the lower structure of the frame type part, and the spraying part is arranged at the upper part of the rotating lower part; the rotating upper part is hinged to the side, close to the rotating lower part, of the upper structure in the frame type part, and a dust catching net is arranged between the rotating upper part and the frame type part. Sufficient passing space is provided for vehicles, obstruction of a traditional dust catching net to traffic is avoided, different roadway heights and environment conditions can be flexibly adapted, and the stability of the treatment effect is ensured.

The utility model provides an energy -saving civil air defence air circulation device belongs to civil air defence engineering field, including solution storehouse and bottom disc, the bottom disc fixed connection is in the bottom of solution storehouse, the surface of solution storehouse is provided with air inlet subassembly, the surface of air inlet subassembly is provided with air outlet subassembly, air inlet subassembly includes movable bin, air inlet pipe, filter plate, fan, contraction pipe, motor, pivot, resist plate no.

The utility model discloses a kind of organic pollutant purification equipment for electroplating solution, it is related to electroplating solution processing technical field.The utility model includes box, the box is internally and fixedly connected with isolating plate, the isolating plate one side is fixedly connected with heating plate, the box top side is fixedly connected with pneumatic cylinder, the pneumatic cylinder output end is fixedly connected with push plate, the box top side is communicated with exhaust pipe.The utility model is provided with heating plate and gas pipe, significantly improve the mixing uniformity and pollutant degradation efficiency of electroplating solution, heating plate can reduce electroplating solution viscosity, promote the diffusion reaction of oxidant or flocculating agent, and the air or ozone input by gas pipe can further strengthen mixing effect, make organic pollutant contact purification medium fully, and, push plate driven by pneumatic cylinder can drive electroplating solution to flow, avoid local reaction insufficient, to improve overall purification efficiency.

The utility model provides an air purifier which comprises a shell provided with an airflow channel, and the airflow channel penetrates through the two opposite sides of the shell; the condensation filter screen is arranged at the air inlet end of the airflow channel and is used for uniformly distributing and condensing the inlet airflow; the composite filter element is arranged in the airflow channel, located between the air inlet end and the air outlet end of the airflow channel and used for filtering liquid pollutants, aerosol particles and gas pollutants in the condensed airflow; the fan is arranged at the air outlet end of the airflow channel, and the fan is used for guiding airflow to flow in from the air inlet end of the airflow channel and to be discharged from the air outlet end of the airflow channel; wherein the airflow channel is linear. According to the air purifier, the airflow backflow probability can be effectively reduced, the turbulent flow energy generation rate is greatly reduced, and airflow flows more smoothly in the airflow channel, so that airflow around the air purifier smoothly flows into the airflow channel, the smoke escape amount can be effectively reduced, and the oil smoke purification efficiency is improved.

The utility model relates to the technical field of environment-friendly treatment of industrial sewage, in particular to a yellow phosphorus production sewage circulating purification system, which is provided with a yellow phosphorus sewage tank, a multi-stage sedimentation mechanism, a concentration filtering mechanism and a clear liquid collecting tank which are sequentially arranged along a sewage treatment flow, the yellow phosphorus sewage tank is used for collecting yellow phosphorus production sewage; the multi-stage sedimentation mechanism is provided with a plurality of deep cone sedimentation machines which are arranged in series and are used for carrying out sedimentation separation on the conveyed yellow phosphorus sewage; the concentrating and filtering mechanism is used for concentrating and separating the conveyed settling floating liquid; and the clear liquid collecting tank is used for collecting the clear liquid separated by the concentrating and filtering mechanism and conveying the clear liquid to the phosphorus collecting tower through a water conveying pipe. Aiming at the special characteristics of yellow phosphorus production sewage purification treatment, the utility model constructs a closed circulation purification system, has the technical characteristics of greatly reducing the occupied area, being low in construction and operation cost and excellent in separation and purification effect, and has remarkable technical effect and economic benefit.

The invention discloses an efficient hydrogen purification device suitable for an ultra-high-temperature working condition. The efficient hydrogen purification device comprises a pressure-bearing shell; the Getter material bed layer is arranged in the pressure bearing shell; the heating system is used for heating the Getter material bed layer, and the heating system is configured to maintain the operation temperature of the Getter material bed layer at 600 DEG C + / -10 DEG C; the invention further discloses an efficient hydrogen purification method suitable for the ultrahigh-temperature working condition. According to the invention, high-efficiency purification of hydrogen under high-temperature and high-pressure conditions is realized, the impurity content is obviously reduced, the service life of the device is prolonged, and reliable technical support is provided for industrial hydrogen purification.

The utility model belongs to the technical field of air purification, and particularly relates to a high-voltage electrostatic improved air purification device which comprises a shell frame, a coarse filtering piece, a high-voltage electrostatic device and a coupling catalysis piece are detachably connected in the shell frame in sequence, and the coarse filtering piece is located on one side of an air inlet of the shell frame. A supporting plate is slidably connected to the upper portion of the shell frame, a connecting mechanism is arranged at the bottom end of the supporting plate, the supporting plate is connected with the high-voltage electrostatic device through the connecting mechanism, a high-voltage direct-current power supply device is arranged at the top end of the supporting plate, and the high-voltage direct-current power supply device is electrically connected with the high-voltage electrostatic device. All the components are detachably connected, maintenance and replacement are convenient, particles are adsorbed through the high-voltage electrostatic device, redundant ozone generated by high-voltage static electricity is converted into oxygen through the coupling catalysis part, and the purification efficiency is improved.

The application discloses an oil fume purification device and integrated cooker, which comprises a smoke baffle for guiding the smoke cavity of the integrated cooker body, an oil collecting box, a movable oil fume separating box and a fixed oil fume separating box are sequentially arranged above the smoke baffle, a plurality of oil separating funnels are arranged in communication between the top wall of the oil collecting box and the bottom end of the inner wall of the movable oil fume separating box, an oil fume separating pipe is arranged in the fixed oil fume separating box and located at the air outlet side of the air guiding accelerating cylinder, a rotating rod is rotatably arranged at the air inlet side of the oil fume separating pipe, an oil fume separating block is arranged at the outer end of the rotating rod, windward pushing grooves are symmetrically arranged on the outer side wall of the oil fume separating block, an oil-repellent layer is coated on the outer surface of the oil fume separating block, the collected oil in the oil collecting box is discharged into the oil collecting box of the integrated cooker body through the oil conveying pipe, and the preliminary oil fume separation effect is achieved; meanwhile, the reciprocating movement of the movable oil fume separating box above the smoke baffle makes the oil fume discharged from the oil separating net mouth evenly and scattered, the uniform purification of the oil fume in the oil fume purification box of the smoke guiding pipe is facilitated, and the purification efficiency is improved.

The present invention discloses a controlled-release type polymeric ferric sulfate water treatment agent and its preparation method, belonging to the technical field of water treatment functional materials. The water treatment agent consists of polymeric ferric sulfate, an iron ion color indicator, a gel matrix, a cross-linking calcium agent, amino diatomaceous earth, a pore-forming agent and an inert filler. The preparation method includes: first preparing a network gel, then preparing soft materials, and finally obtaining the product through pill-making and drying. The present invention realizes the slow release and controllability of polymeric ferric sulfate, and the color indicator can directly reflect the consumption state of polymeric ferric sulfate, facilitating storage, transportation, dosing and recovery.

The utility model discloses an automatic smoke purifying and collecting device for metal processing and welding, which comprises a machine body, and a decomposition bin, an adsorption bin and a filtering bin which are uniformly arranged in the machine body through partition plates, and further comprises a smoke collecting component, the smoke collecting assembly comprises an L-shaped pipeline installed on the top of the machine body through a connecting base and a smoke sucking cover arranged at the bottom of one end of the L-shaped pipeline through a telescopic corrugated pipe. The filter box is arranged in the filter bin and below the exhaust hood; the adsorption box is arranged in the adsorption bin below the filtering bin; and the catalysis box is arranged in the decomposition bin below the adsorption bin. Through the arrangement of the L-shaped pipeline and the smoke sucking cover in the smoke collecting assembly, smoke generated in the welding process can be effectively sucked in, and diffusion of the smoke in the working environment is avoided. The servo motor drives the L-shaped pipeline to rotate, and flexible adjustment of the smoke suction hood is achieved through meshing of the driving gear and the gear ring.

The utility model relates to the technical field of concrete production wastewater circulation treatment equipment, in particular to a commercial concrete production wastewater circulation treatment device, which treats most solid impurities in wastewater in a slow flow sedimentation manner by arranging a slow flow sedimentation device, can prevent a machine from being blocked during filtration, and can effectively prevent the blockage of the machine during filtration. The machine purification efficiency is improved; comprising a body; the filter further comprises a slow flow sedimentation device, a plurality of discharging devices, a cyclone separation device, a filtering device and a backwashing device, the slow flow sedimentation device, the cyclone separation device and the filtering device are all mounted on the machine body, the plurality of discharging devices are all mounted on the slow flow sedimentation device, and the backwashing device is mounted on the filtering device.

The utility model discloses a filter body for wastewater purification and wastewater purification equipment, and belongs to the technical field of wastewater purification equipment, the filter body comprises a filter body, the filter body is detachably mounted on the inner side of a purification box, the filter body comprises a shell, and a water storage barrel is arranged in the middle of the shell; the space between the shell and the water storage barrel is divided into a plurality of cavities through partition plates, the multiple cavities are sequentially arranged to be a water inlet cavity, a first filtering cavity, a second filtering cavity, a third filtering cavity and a fourth filtering cavity in the water flow direction, and the fourth filtering cavity is communicated with the water storage barrel. According to the utility model, the filter body is detachably arranged in the purification box and is convenient to take out, a filter object in the filter body is convenient to replace, assemble and disassemble through the sealing cover, and the water inlet cavity, the first filter cavity, the second filter cavity, the third filter cavity, the fourth filter cavity and the water storage cylinder are arranged, so that the filter body is convenient to use. After entering the purification box, the wastewater is filtered by quartz sand, ceramsite, activated carbon and PP cotton in sequence, so that the purification efficiency is higher.

The invention relates to a soil microorganism high-efficiency water purification filter material and a preparation process thereof, and aims to solve the problems of low removal efficiency, high cost, easiness in secondary pollution, insufficient affinity with soil microorganisms and the like of the existing microorganism filter material. The filter material is prepared by taking volcanic rock, activated carbon, bentonite and modified cellulose as main raw materials, combining the main raw materials according to a specific ratio, preparing porous particles by virtue of processes such as calcining, activating, mixing, granulating and sintering, and finally loading the porous particles by virtue of a microbial bacterial liquid. The product has a large specific surface area, good adsorption performance and high chemical stability, and can provide an excellent adhesion and growth environment for soil microorganisms. Experiments prove that the filter material can significantly improve the removal efficiency of pollutants such as COD, ammonia nitrogen and total phosphorus in sewage, and the filter material has the advantages of easily available raw materials, low cost and environmental friendliness, and is suitable for the fields of sewage treatment, ecological restoration and the like.

This utility model relates to the field of chicken coop technology, specifically a chicken coop with deodorizing function. It includes a coop frame with a mesh screen fixedly connected to its middle section, and a filter box fixedly connected to the top of the frame. The filter box contains a filtration mechanism. An air outlet is located on the front of the bottom of the coop frame, and an air inlet is located on the front of the filter box. This utility model, through the combined use of the filter box and a porous rectangular box, achieves active air circulation and purification within the chicken coop, effectively solving the problem of low air purification efficiency caused by relying solely on natural ventilation in existing technologies. It maintains a stable deodorizing effect, especially in enclosed environments or under still wind conditions, significantly reducing the accumulation of harmful gases such as ammonia in the chicken house.

The invention relates to an air purifier. The air purifier comprises a shell, an air duct device and a filter screen assembly. Wherein a mounting cavity is formed in the shell, a first opening and a second opening are formed in a pair of opposite two sides of the shell respectively, and a third opening and a fourth opening are formed in the other opposite two sides of the shell respectively; the multiple air duct devices are distributed in the mounting cavity at intervals in the direction from the first opening to the second opening, air outlets of the air duct devices communicate with the fourth opening, and a first air inlet and a second air inlet are formed in the two opposite sides of each air duct device correspondingly; the filter screen assembly is arranged on the shell. Openings in different directions are formed in the shell, the multiple air duct devices are distributed in the mounting cavity at intervals, every two adjacent air duct devices interact to enhance the suction force of external air entering the mounting cavity from the third opening, meanwhile, the external air can enter the mounting cavity from multiple directions, the air inlet amount of the air purification device in unit time is increased, and the air purification efficiency is improved. And rapid air purification is realized.

The invention discloses a carbon nitride composite material as well as a preparation method and application thereof, and designs and prepares an activated carbon loaded modified carbon nitride nanosheet, K ions are doped between layers of the modified carbon nitride nanosheet to form local geometric distortion caused by KN bridging and K + intercalation, and the local geometric distortion and a P gap state generate synergy, so that the performance of the carbon nitride composite material is improved. The adsorption and activation capabilities of the material on O2 molecules are jointly optimized, so that the reaction from * OO to * OOH is obviously accelerated. The adsorption and enrichment effects of the activated carbon and the oxidative degradation and sterilization capabilities of the photocatalytic material can be fully utilized.

The utility model provides a kind of hanging air purifier, relate to air purifier technical field.A kind of hanging air purifier, comprising: shell, air inlet and air outlet are provided on shell;Support frame, support frame is set in shell, and first accommodating space is provided in support frame;Filter element, filter element is set in first accommodating space;Plasma generating device, plasma generating device is set in first accommodating space, and filter element is set between plasma generating device and air inlet;Wherein, plasma generating device includes first frame and multiple plasma generating modules set in first frame.By being provided with plasma generating device in hanging air purifier, air is further treated by sterilization, deodorization etc. after passing through physical filtration, improve purification efficiency, and plasma generating device uses modular design to use multiple plasma generating modules, facilitate flexible configuration.

This application relates to the field of separation using physical or chemical methods, specifically to a chloride molten salt purification device and method. The chloride molten salt purification device includes a container holding assembly, an oxygen supply assembly, a purification furnace body, and a purification moving assembly. The container holding assembly holds multiple molten salt containers; the oxygen supply assembly supplies oxygen to the multiple molten salt containers and includes multiple oxygen supply pipes; the purification furnace body is configured to form a reaction space capable of temperature regulation and accommodating the molten salt containers, and the furnace body forms oxygen supply through-holes for the multiple oxygen supply pipes to enter the reaction space; the purification moving assembly aligns the multiple molten salt containers with the multiple oxygen supply pipes and moves the container holding assembly within the reaction space. The chloride molten salt purification device provided by the embodiments of this application is beneficial for improving the purification efficiency of chloride molten salt.

The present application relates to waste gas treatment technical field, specifically to a kind of acrylic resin waste gas treatment filter equipment, including main body, the main body inside is equipped with purification cavity, the main body circumferential outer wall is fixedly connected with shunt pipe, the shunt pipe bottom is equipped with several air pipes, the air pipe bottom end is penetrated to the inside of purification cavity;The inside of the purification cavity is provided with purification device, the purification device includes rotation installation in the center position of the inside bottom of purification cavity drive shaft, the inside of the purification cavity is located at the top position of drive shaft and is provided with limit frame, the center position of the limit frame bottom is penetrated and is equipped with docking interface.This application is through gas distribution plate, push plate and filter assembly linkage, to establish gas-liquid mixing neutralization system, improve the neutralization of acidic substances and the absorption efficiency of soluble VOCs, reduce the subsequent pollutant load, push plate, filter assembly and other collaborative impurities, clean filter screen, prevent secondary pollution, prolong the service life of filter material.

The utility model relates to dust removal board technical field, and disclose a kind of fixed structure of dust removal board for flue gas purification, including filter box, vibration plate is movably installed in the inside of filter box, installation component is fixedly installed in vibration plate bottom, the installation component contains the limiting frame fixedly installed in vibration plate bottom.The utility model compares with traditional fixed structure, the fixed structure is through positioning block one, positioning column and spring, it is convenient to limit and fix dust removal board, at the same time, through vibration motor drives dust removal board whole to vibrate, through dust removal board vibration design driven by vibration motor, effectively improve the dust removal efficiency, through the waste gas particle of adhering and shaking off, prevent accumulation and enhance particle collision, improve the capture probability, at the same time, vibration promotes particle more easily to fall off to filter box bottom, optimization collection process, reduce escape, improve collection rate.

The present application relates to sewage treatment technical field, specifically to a kind of acrylonitrile sewage treatment device, comprising: microbial purification tank, exhaust mechanism, the exhaust mechanism has two and symmetrically set in the two sides of the inner wall of microbial purification tank width direction, the exhaust mechanism includes the cavity plate fixedly connected in the inner wall of microbial purification tank. By cavity plate, partition block and air separation assembly in exhaust mechanism, air can be injected and extracted into microbial purification tank, so as to provide corresponding purification environment for aerobic microorganism or anaerobic microorganism to purify sewage, and then realize that when injecting air, air exposure area and immersion area can inject air into microbial purification tank simultaneously to provide sufficient oxygen for aerobic microorganism to purify sewage, help its efficient decomposition of pollutants in sewage, while when extracting air, air separation assembly disconnects the communication of air exposure area and immersion area, so that suction airflow is only discharged from air exposure area, avoid sewage from flowing out with cavity plate, while avoiding suction airflow from immersion area to interfere with anaerobic environment in tank.

The utility model discloses a purification device for continuously using chemical treatment liquid of electrical and electrical products, and relates to the technical field of electrical and electrical product processing. The device comprises a shell, a back-flushing anti-blocking assembly and a sediment scraping assembly, a filter screen is fixedly connected to the left side between the front side and the rear side of an inner cavity of the shell, a sewage disposal mechanism is arranged at the top of the shell, the back-flushing anti-blocking assembly comprises a water supply chamber, and the right side of the water supply chamber is fixedly connected with the shell. According to the back-flushing anti-blocking device, through the back-flushing anti-blocking assembly and the cooperation of the filter screen and the pulse jet mechanism, suspended pollutants attached to the surface of the filter screen can be subjected to back-flushing cleaning in the continuous circulation process of chemical treatment liquid, and the pulse jet mechanism impacts holes of the filter screen through periodic high-pressure jet flow, so that blocked dirt particles are effectively removed; the problem that the filtering efficiency of the filter screen is reduced due to pollutant accumulation is avoided. Meanwhile, the water conveying chamber and the conveying pipe form closed circulation, so that the cleanliness of the treating fluid can be maintained without stopping the machine and rotating the tank.

The utility model discloses a carton processing and conveying cleaning device, including device main part still includes setting conveying assembly on device main part, setting dust extraction assembly on device main part, install filter assembly on dust extraction assembly, first fixed bolster fixed mounting on device main part, first threaded rod on first fixed bolster is screwed, first knob fixed connection first threaded rod one end, first sliding seat sliding connection on device main part, first motor fixed mounting on first sliding seat. Through first motor work drive rotation axis and rotary support overturn, by installation component and cleaning roller body overturn alternation and carry out cleaning work, this alternation mechanism completely changed traditional single cleaning roller need to stop and dismantle replacement mode, will clean the roller replacement and cause production line interruption time to shorten greatly, avoid the production stagnation caused by long time stop, effectively guarantee the continuous operation of production line, thereby significantly improve overall production efficiency.

The utility model relates to the technical field of indoor environment adjustment, and discloses an indoor ecological health-care system which comprises an ecological room, and an embedded air pipe is fixedly mounted on the inner side of the ecological room. According to the indoor ecological health care system, by arranging the filter plate, the electrostatic dust collection net, the photocatalytic net, the negative ion generator, the cleaning assembly and other assemblies, the traditional passive purification mode of filter net interception is changed, the filter plate and the electrostatic dust collection net can effectively intercept particulate pollutants, the photocatalytic net can actively inhibit or decompose the activity of microorganisms, and the purification effect is improved. The negative ion generator generates negative ions, suspended particles in the air can be adsorbed and coagulated, the negative ions can be combined with bacteria, viruses and the like in the air, the structure of the air is destroyed, the microbial activity is reduced, multiple assemblies act synergistically, the purification treatment efficiency is greatly improved, the risk of secondary pollution in the high-humidity environment is reduced, frequent replacement of a filter screen is not needed, and the cost is reduced. The maintenance cost and the operation complexity are reduced, and a healthier and fresher indoor air environment is created.

The invention discloses an ultra-low temperature vacuum system of a Tokamak or star imitator adaptive to nuclear fusion, and relates to the technical field of nuclear fusion equipment, the ultra-low temperature vacuum system comprises a vacuum chamber, a plasma state sensor is embedded in the inner wall of the vacuum chamber, the outer end of the vacuum chamber is provided with a sealing interface, the outer end of the sealing interface is provided with a primary filter, and the primary filter is provided with a secondary filter. A getter bin is installed at the outer end of the primary filter, an auxiliary pump is installed at the outer end of the getter bin, a stop valve is installed at the outer end of the auxiliary pump, a cold trap is installed at the outer end of the stop valve, the side wall of the cold trap is connected with a refrigerating machine through a pipeline, and a main pump is installed at the outer end of the cold trap. By arranging a series of structures, the pain point of decoupling of a traditional system and plasma operation is thoroughly solved, all the components cooperate to guarantee the ultrahigh vacuum environment, interference of impurity gas on plasma constraint is greatly reduced, and the stability and success rate of a nuclear fusion experiment are remarkably improved.

The invention discloses mixing equipment for release agent production and a preparation process thereof, and relates to the technical field of environmental protection, the mixing equipment comprises a mixing unit and a decarburization unit, and further comprises a desulfurization unit; the decarburization unit is located at the rear end of the mixing unit, flue gas is firstly treated by the decarburization unit, carbon dioxide in the flue gas is removed, and then the flue gas enters the desulfurization unit to remove sulfur dioxide in the flue gas. The decarburization and desulfurization integrated device has the advantages that in the process of producing mixed raw materials through the release agent, decarburization and desulfurization integrated design is adopted for analyzing and absorbing harmful flue gas generated in the preparation process, the occupied area is reduced, waste utilization is achieved, in the analysis process, desulfurization operation does not need to be stopped, and the desulfurization efficiency is improved; the separation of solids in a mixed solution can be accelerated, and when the solids are heated, the probability that the separated solids are adhered to the analysis kettle is effectively reduced, so that the subsequent cleaning of the analysis kettle is facilitated.

The utility model discloses an oil mist purification device for a CNC (Computer Numerical Control) machining center, which relates to the technical field of CNC machines and comprises a purification chamber, a sliding plate, a mist inlet pipe, a cover plate, an oil mist purification mechanism, a fixed clamping plate, an HEPA (High Efficiency Particulate Air) filter screen, an activated carbon plate, a turbulent flow mechanism, a transverse reciprocating mechanism and a fan. Oil mist enters the purification chamber through the mist inlet pipe, oil drops are preliminarily separated through the oil mist purification mechanism, then airflow is disturbed through the flow disturbing mechanism, the purification efficiency is improved, fine particles are further filtered and peculiar smells are further adsorbed through the HEPA filter screen and the activated carbon plate, air inlet is optimized through the transverse reciprocating mechanism, and purified gas is exhausted through power provided by the draught fan. The device adopts a multi-purification structure, combines automatic cleaning and optimized air inlet design, is high in purification efficiency and convenient to maintain, and meets the oil mist purification requirement of the CNC machining center.