65results about How to "Efficient deodorization" patented technology

The invention discloses a chemical type deodorant for a waste transfer station and a preparation method thereof, and belongs to the technical field of deodorant preparation. The deodorant comprises the following components in percentage by mass: 55 to 58% of water, 1 to 3% of an antioxidant, 10 to 20% of a desulphurizing reagent, 2 to 4% of an accelerant, 3 to 7% of an organic acid, 2 to 6% of an aldehyde solution, 1 to 3% of 1, 2-propylene glycol, 0.2 to 0.4% of a surfactant, and 0.1 to 0.25% of essence. The preparation method of the deodorant comprises the following steps: firstly, preparing an antioxidant water solution; then, adding the desulphurizing reagent to obtain a green solution; adding the accelerant to the green solution to obtain a blue-green solution after stirring; adding the organic acid to the blue-green solution to obtain a dark-green solution; adding the aldehyde solution and continuously stirring; then adding 1, 3-propylene glycol, the surfactant and the essence and fully stirring to prepare the deodorant provided by the invention. The deodorant provided by the invention has the benefits of good deodorization performance and long-acting deodorization, and further can be degraded automatically, thereby having no secondary pollution to the environment.

The invention relates to a nano antibacterial agent and process for preparation, wherein the raw materials include (by weight percent) nano titanium oxide 1-25%, nano silver 1-10%, nano zinc oxide 1-50% and balancing water. The preparing process consists of charging nano titanium dioxide into autoclave, elevating temperature and stirring to 150 deg C, charging zinc oxide and nano silver for reacting 3 hrs, finally cooling down to 30 deg. C.

The invention discloses efficient mould-proof, antibacterial, insect-prevention and deodorization functional microcapsules and application thereof. The functional microcapsules are prepared from the following raw materials in parts by weight: 40-50 parts of a normal-temperature sublimation agent, 10-15 parts of an antibacterial agent, 10-15 parts of a deodorization agent, 10-15 parts of an insect-prevention agent, 10-15 parts of a mould-proof gent, 100 parts of a solvent, 600-1000 parts of a slow-release agent, 6000-10000 parts of a diluent, and 0.2-0.25 part of an emulsifier. The functional microcapsules can be prepared according to the formula disclosed by the invention, and shoe packing boxes manufactured by the functional microcapsules has efficient mould-proof, antibacterial, deodorization and insect-prevention functions, and can be used for protecting and packaging shoes leaving the factory and used by consumers to perform sanitary maintenance on the shoes in the future as the period of validity of the shoe packing boxes is long.

The invention discloses a sludge modified diaphragm compressed deep dehydration process and system. The process comprises the following steps: (1) metering sludge, and entering an elliptical cascade sludge pre-thickening system for thickening and dehydration; (2) enabling the thickened sludge to directly enter a sludge conditioning tank for conditioning, sequentially adding a conditioner a and a conditioner b to be uniformly stirred, and modifying the sludge; and (3) enabling the modified sludge to enter a special sludge compressed dehydration equipment system for performing deep compressed dehydration treatment, and enabling the finally obtained cake sludge to enter an outwards sludge transport system. The improved process is simple and convenient to operate, and the moisture content of the treated sludge is 60% or less. The invention further provides a sludge modified diaphragm compressed deep dehydration system. According to the system, the dehydration efficiency of a filter press can be improved, the sludge volume is reduced, the cost is reduced, the land utilization efficiency is improved, the low-cost goal of the sludge is achieved, and convenience is brought to subsequent resource treatment.

The invention discloses a natural highly effective environmental protection type cleaning agent and its making method , wherein the cleaning agent comprises (by weight ratio) lucid asparagus extract 0.2-4%, radish seed extract 0.5-5%, coconut oil 8-15%, citric acid 0.3-0.5%, sodium carbonate 35.9-40.5%, zeolite 4-6%, basified protease 0.3-3%, plant cellulose enzyme 1-5%, cellulose filling agent 7-10%, and balancing water.

The invention relates to a graphene water purifying filter element and a water purifier. The water purifying filter element comprises a first-level graphene PP cotton composite filter element, a second-level graphene modified activated carbon composite filter element, and a third-level graphene modified activated carbon composite filter element which are sequentially connected. The water purifierprepared by adopting the water purifying filter element has better effects on filtering and removing various impurities, rusts, bacteria and organic matters. The bacteria in the tap water are effectively removed without increasing content of nitrate and heavy metal ingredients in the water. The graphene water purifying filter element has the characteristics of being high in efficiency, convenientto use, and low in cost and raw material consumption. The contents of the beneficial elements in the water treated through the water purifying filter element are on the same level with the contents ofthe beneficial elements in the tap water, the PH value of the filtered water reaches 7.40 and is much closer to the optimal PH value of the drinking water of human beings, and the filtered water is more suitable for drinking directly.

The invention provides solid gel capable of eliminating formaldehyde and odor in rooms and vehicles. The solid gel at least comprises gel powder, essential oil, a deodorant, a nonionic surfactant, parachlorometaxylenol, ethanol and water. The solid gel has the advantages that the solid gel is simple cheap in raw materials and simple in preparation process; the incompatibility among compounding rawmaterials can be avoided effectively, and the odor eliminating, sterilizing and formaldehyde eliminating performance can be brought into play in a most efficient manner.

The invention discloses an attapulgite rod refrigerator deodorization particle and a preparation method, and belongs to the technical field of attapulgite. The particle is prepared from the following ingredients: high-viscosity attapulgite clay, pasty attapulgite clay, thermally modified attapulgite clay, activated carbon, white carbon black, folium artemisiae argyi, rhizoma atractylodis, licorice root, rhizome of acorus calamus, clove oil, tea tree essential oil and herba menthae essential oil. The preparation method comprises the following steps: weighing, smashing and mixing the traditional Chinese medicines to obtain a traditional Chinese medicine mixture, and extracting in a Soxhlet extractor to obtain extracting solution; mixing and evenly stirring the high-viscosity attapulgite clay, the pasty attapulgite clay, the thermally modified attapulgite clay and the activated carbon, then, adding the extracting solution and the essential oil into mixed materials, evenly stirring and applying ultrasound; adding the white carbon black into the mixture, drying after evenly mixing, and carrying out granulation to obtain the attapulgite refrigerator deodorization particle. The attapulgite refrigerator deodorization particle has an efficient deodorization effect and a certain sterilizing effect. The preparation method is simple and practicable, and has a good application value.

The invention relates to a middle school physical experiment demonstration device and a learning method thereof and relates to an experiment device. An opening is arranged on an outer side wall of a cylinder, multiple plugging boards in interference fit with two inner side walls of the opening are arranged in the opening on the outer side wall of the cylinder, outer sides of the multiple pluggingboards are detachably provided with reducing type leakage nozzles, an outer surface of the cylinder is matched with annular boards matched with the cylinder in a gap matching mode, the annular boardsare provided with liquid collection boxes, the cylinder is clamped on a support, an upper portion of the support is hung with a spring dynamometer, a lower portion of the spring dynamometer is provided with a tightening sleeve rope, and an inner bottom surface of the cylinder is provided with a bottom fixed pulley. The experiment equipment is advantaged in that the experiment device not only can carry out demonstration teaching of the physical buoyancy experiment, but also can carry out targeted experimental demonstration on the buoyancy of the object at different depths in the solution, greatly deepens understanding and mastery of the physical buoyancy of students and greatly improves quality of teaching of teachers.

The invention relates to a refrigerator, in particular to an antibacterial odor removal refrigerator and a control method thereof, wherein, a CPU is used to automatically control a working time of a multi-stage high voltage generator circuit of ozone and anion, so that a half-life of ozone can be precisely controlled, and anions which are beneficial to physical health of users are contained in a refrigerator, which comprises a refrigerator body and an internal control device, wherein, the refrigerator body is provided with a refrigerator compartment, an antibacterial odor removal device is arranged in the inner wall of the refrigerator compartment, the antibacterial odor removal device is arranged as a discharger which can release ozone and anions, which are released into the refrigerator compartment through a release port on the inner wall of the refrigerator body; the internal control device comprises a CPU and peripheral circuits thereof, the discharger is provided with a control circuit, which is arranged between the CPU and the discharger which is arranged as a closed loop type discharger and provided with a positive electrode and a negative electrode which are arranged in the refrigerator compartment.

The invention discloses edible oil added with a natural antioxidant. The natural antioxidant is added into the edible oil, and the edible oil is single-product edible vegetable oil or edible vegetableblend oil; the natural antioxidant is a mixture of rosemary extract, lipo-soluble tea polyphenol and vitamin E, or a mixture of lipo-soluble tea polyphenol and vitamin E, or a mixture of rosemary extract, lipo-soluble tea polyphenol and an antioxidant of bamboo leaves, or a mixture of rosemary extract, vitamin E and a liquorice root antioxidant. The invention further discloses a method for preparing the edible oil added with the natural antioxidant, and the method comprises the following steps: mixing the single-product raw oil or the single-product raw oil according to a scientific proportion, then adding the natural antioxidant, and meanwhile performing stirring and heating to 40-80 DEG C. The nutritional healthy edible oil disclosed by the invention belongs to a pure natural edible oilproduct, is nutritional, safe and healthy, has no toxic or side effect on a human body, has long storage time and is not prone to go bad; and the preparation method of the edible oil added with the natural antioxidant is simple, raw materials are easy to obtain, and the edible oil is suitable for batch production.

The invention provides a concave-convex channel type air conditioner sterilization and deodorization nano adhesive filter. Concave-convex connection upper supports of a middle framework and concave-convex connection lower supports of the middle framework are arranged on the two sides of the middle framework respectively, the two concave-convex connection upper supports of the middle framework are embedded to an upper layer framework, the two concave-convex connection lower supports of the middle frame are embedded to concave-convex connection supports of a lower layer framework, and the lower portion of the middle framework are provided with a plurality of nano adhesive lower supports of the middle framework. Nano adhesive is prepared from, by weight, loose wax, microcrystalline wax, nano silver, essence oil and the like. After the raw materials are completely melted into liquid, the liquid is added into a reaction kettle, the reaction temperature is controlled at 142 DEG C, and then the liquid is cooled. By means of an innovative concave-convex ventilation channel structure, the deodorization, oxidization and decomposition processes of the unique nano adhesive filter are combined due to the creatively prepared nano adhesive, toxic and harmful gas is decomposed at high efficiency, the filter is not blocked forever, and PM2.5, legionella, viruses, germs, acarid and mildew are quickly removed. The air amount is large, and the filter is diversified in shape and can be matched with various air conditioners, automobile air conditioners and air purifiers in use.

The invention provides a multifunctional microbial compound deodorant, a preparation method and application thereof. The multifunctional microbial compound deodorant is prepared from the following rawmaterials in parts by mass: 5-15 parts of compound microbial flora, 0.01-0.1 parts of abamectin, 60-80 parts of active carbon particle and 5-15 parts of traditional-Chinese-medicine additive, whereinthe compound microbial flora consists of filamentous sulfur bacteria, nitrifying bacteria, bacillus and hansenula polymorpha; the total number of effective viable bacteria is more than or equal to 5*10<8> per gram. The multifunctional microbial compound deodorant not only plays an efficient role in deodorization, insect killing and sterilization for the pig manure, but also adopts the componentssuch as microbial strains and traditional Chinese medicines and the like, so that the ecological and environment-friendly effects are achieved, the cost is low and the use is convenient; in addition,the microbial compound deodorant also has fresh medicine fragrance, so that the air environment for culture can be further improved.

The invention discloses deodorization and disinfection liquid free of stimulation. The deodorization and disinfection liquid contains the following components in percentage by mass: 0.1%-0.5% of food-grade sodium hypochlorite, 0.1%-0.5% of food-grade hydrochloric acid, 0.1%-1% of food-grade hyaluronic acid and 98%-99.5% of purified water. The deodorization and disinfection liquid has the advantages that the deodorization and disinfection liquid is efficient, has good deodorization and disinfection effects, is orally non-toxic and free of stimulation to animals, the sterilizing time is short, and the sterilizing rates of the deodorization and disinfection liquid to escherichia coli, Candida albicans, staphylococcus aureus and spore bacteria reach up to 99.9%.

The invention provides a sanitary protection pad capable of removing foreign smell. The sanitary protection pad comprises a skin-friendly pure cotton surface layer, an absorbing core layer and a breathable bottom film layer, wherein an anion biochip is arranged between the skin-friendly pure cotton surface layer and the absorbing core layer, a faint scent deodorizing layer is arranged between the absorbing core layer and the breathable bottom film layer, the faint scent deodorizing layer is a peony faint scent deodorizing layer or a lavender faint scent deodorizing layer, and all the layers are bonded together. The sanitary protection pad has the beneficial effects that the anion biochip is arranged, so that when the sanitary protection pad is used, anions with high concentration can be emitted, and therefore, the effects of removing and killing bacteria and removing foreign smell can be achieved; and meanwhile, the faint scent deodorizing layer is arranged and can generate a synergistic effect with the anion biochip, so that the effect of efficiently removing the foreign smell is achieved, and meanwhile, the sanitary protection pad has the faint scent.

The invention relates to the field of deodorizer application, in particular to a deodorizing method by matching a microbial deodorizer with fog gun equipment. The method comprises the following steps of deodorizer preparation, equipment installation, deodorizer adding, spraying liquid preparation and spraying. The invention aims at providing the deodorizing method by matching the microbial deodorizer with the fog gun equipment. The microbial deodorizer is automatically sprayed to a refuse landfill through the fog gun equipment; in addition, the spraying time, the spraying quantity and the size of sprayed fog drops can be well and automatically controlled; and then, the microbial deodorizer fog drops can sufficiently react with odor molecules; a great number of deodorizers and labor can be saved; a good deodorization effect is achieved.

In this toilet deodorizing method, air is blown into the bowl body (11) of a toilet (1A) from a blower outlet (117) and the air inside the bowl body (11) is sucked in through an intake opening (118),whereby are formed a horizontal swirling flow (R1) of air that swirls horizontally along the inner surface of the bowl body (11), and a transverse flow (R2) of air that traverses the interior of the bowl body (11). The odor portion of the air that flows due to the horizontal swirling flow (R1) and the transverse flow (R2) and is sucked in through the intake opening (118) is removed with a deodorizing cartridge (deodorizing means) (113c) and the odor in the bowl body (11) is deodorized.

The invention discloses sterilizing equipment for removing indoor formaldehyde. The sterilizing equipment comprises a shell and a control system, wherein a formaldehyde-removing sterilizing liquor inlet is formed in the top part of the shell; a gas generator is arranged in the shell; the gas generator is connected with the sterilizing liquor inlet, a sterilizing gas outlet and an air compressor; and the air compressor conveys compressed air into the gas generator, so sterilizing liquor entering the gas generator reacts and generates sterilizing gas. The sterilizing equipment for removing indoor formaldehyde disclosed by the invention has quick and long-acting effects, no return of peculiar smell, no secondary pollution, no toxic or side effects and wide application range.

The invention relates to a multi-effect disinfection spraying agent for vehicles and a preparation method thereof, belongs to the technical field of disinfectants, and provides a disinfectant which islow in irritation to human bodies and capable of efficiently removing harmful gas in a vehicle. The multi-effect disinfection spraying agent for vehicles is composed of the following raw materials inparts by weight: 0.2 to 8 parts of an anion dealdehyde complex composed of a natural polar mineral compound and a photocatalyst compound, 33 to 73 parts of a sterilization stabilizer composed of a bamboo leaf extract, a moraceae plant leaf extract, a cacumen biotae extract and deionized water, 0.1 to 5 parts of odor removal compound hydrolat and 0 to 80 parts of deionized water. The multiple-effect disinfection spraying agent for vehicles is green, environmentally friendly, safe, non-toxic, excellent in performance and low in irritation to human bodies, can continuously and effectively removeharmful gas, peculiar smell and pathogenic bacteria in vehicles, and has a health-care effect on the human bodies.

The invention discloses a high-voltage electric field deodorization tower, and relates to the technical field of flue gas treatment devices. The tower comprises a tower body, a flue gas inlet is formed in the side part of the tower body; an exhaust port is formed in the top of the tower body; the tower body is sequentially provided with a liquid storage layer, an alkali liquor spraying layer, a water spraying layer, a demisting layer and a high-voltage electric field layer from bottom to top, the flue gas inlet is located between the liquid storage layer and the alkali liquor spraying layer, the liquid storage layer is connected with an alkali liquor pool through a pipeline with a pump, the alkali liquor spraying layer comprises a first spraying device, and a liquid inlet of the first spraying device is connected with the liquid storage layer. The tower solves the technical problem of poor flue gas deodorization effect in the prior art, can be completely suitable for flue gas with complex components, and has the advantages of obvious deodorization effect and high deodorization efficiency.

The invention discloses a finished product dust prevention and odor removal device for garment production. The device comprises box bodies, sealing devices, placing frames, a guide device, driving devices, an air inlet device, an air outlet and an air plate, the box bodies are symmetrically arranged, and an outer port of each box body is provided with the sealing device which is flexibly rolled up; the placing frames for spirally guiding clothes to be hung are installed in the box bodies, the driving devices are symmetrically installed between the box bodies, the driving devices are in transmission connection with the placing frames, and the stretching type guiding device for guiding and discharging is installed at the position, located above the driving devices, between the box bodies; and the multi-stage filter air inlet device is mounted at the bottom between the box bodies. According to the finished product dust prevention and odor removal device for garment production, the box bodies are adopted to be matched with the sealing devices to achieve sealed placement of garments, dust prevention is effectively conducted, uniform hanging and discharging of the garments are facilitated through spiral guiding of the placing frames, and the air flow is guided into the box bodies through the air inlet device, and efficient odor removal is achieved.

The invention discloses a tableware detergent taking a coriander extract as a fishy smell removing component and a preparation method thereof, relates to a detergent in daily-use chemical industry, and solves the problem that the existing detergent cannot effectively remove residual fishy smell on tableware and hands. The tableware detergent taking the coriander extract as the fishy smell removingcomponent comprises the following components in percentage by mass: 0.1 to 25 percent of coriander extract, 1 to 20 percent of anionic surfactant, 0 to 15 percent of non-ionic surfactant, 1 to 5 percent of cocamidopropyl betaine, 0 to 10 percent of amino acid surfactant, 1 to 5 percent of glycerol, 0.1 to 0.5 percent of citric acid, 0.1 to 0.5 percent of tetrasodium glutamate diacetate, 0.1 to 0.5 percent of potassium sorbate and the balance of deionized water. The tableware detergent taking the coriander extract as the fishy smell removing component can efficiently remove oil stains and fishy smell, and is healthy, safe, green and environmentally friendly.

The invention provides an anti-hardening and acid-corrosion-resistant fluffy biological deodorization composite filler, which is characterized by comprising the following components in percentage by volume: 70-80% of original ecological bamboo charcoal; 1%-2% of plastic hollow sphere / Pall ring; 8%-12% of pine barks, pine scales and / or coconut shell blocks; 2%-3% of light biological ceramsite; and 9%-13% of oyster shell / oyster shell. The composite filler is suitable for attached growth of deodorization microorganisms, raw materials are easy to obtain, wide in source, high in porosity and void ratio, light in weight, small in air resistance, large in biological loading capacity, resistant to microbial acid corrosion and capable of neutralizing acid production, and collapse is reduced after long-term operation; and the deodorization efficiency is high, the service life is long, supplementation is easy in the later period, the autonomy of a user is high, carbon is low, energy is saved, the use cost is low, and the cost performance is high.

The invention belongs to the technical field of ecological environmental protection of microorganisms, and provides an odor-free and solid waste-free squeezed liquid treatment process for a refuse transfer station. The treatment of garbage squeezed liquid is divided into two steps of deodorization and purification. After the method provided by the invention is adopted, the garbage squeezed liquidcan be treated to meet requirement of up-to-standard discharge in a short time, the effluent is enabled to be odorless, clean, clear and recyclable, and the refuse transfer station does not dischargeodor and solid wastes. Compared with other methods, the squeezed liquid treatment process provided by the invention has the advantages of no toxicity, environment friendliness, less investment, quickresponse, high efficiency, good stability, small occupied area, simple operation, convenience in management and maintenance, and the like. The squeezed liquid treatment process fills in the gap of microbiological treatment of the garbage squeezed liquid in China, enables the refuse transfer station not to discharge odor and solid wastes, and realizes the up-to-standard discharge and recycling of the garbage squeezed liquid.

The invention discloses an electromagnetic membrane suspension deodorization system for a large-span sludge landfill. The system comprises a beam column, a cross beam, a suspension guide rail, a motor, an electric pulley, an electromagnetic membrane suspension deodorization main machine, a cable pipe winding and unwinding device, a sling chain, an electromagnetic chuck, an electric guide pipe, a covering membrane, a deodorization panel and a secondary odor treatment device. The motor drives the electric pulley to enable the electromagnetic suspension deodorization main machine to move and position on the suspension guide rail, and the electromagnetic membrane suspension deodorization main machine sucks the deodorization panel pre-buried below the covering membrane into the air through the permanent magnetic chuck. Furthermore, the invention also comprises an operation method of the system. Odor generated by the sludge landfill is collected and purified through deodorization agent spraying and the secondary odor treatment device, large-area damage to the covering membrane is not needed, the system is convenient to move and deodorize above the large-span sludge landfill in an electromagnetic suspension mode, the adaptability is very high, and the possibility of odor poisoning of local construction personnel of the landfill can be effectively reduced.

The invention discloses a low-temperature plasma deodorization device, belonging to the technical field of plasma deodorization and aiming at speeding up deodorization speed and improving deodorization efficiency. Mounting plates are arranged in parallel along the front-and-back direction of a deodorization box, marginal mounting plates are close to box walls on the left and right sides of the deodorization box, the lengths of mounting plates, which are arranged inside, are less than those of the box walls on the left and right sides, the internal mounting plates are arranged at intervals, a group of mounting plates are connected with a front side box wall of the deodorization box, and another adjacent group of mounting plates are connected with the rear side box wall of the deodorizationbox to form a single to-and-fro advancement air pipeline; the mounting plates are all provided with uniformly arranged electrode columns, and the electrode columns, which arranged on two groups of adjacent mounting plates, are in corresponding arrangement; the binding posts of the electrode columns are arranged in the hollow centers of the mounting plates, and the electrodes of any two adjacent groups of mounting plates are different; multiple groups of fence-shaped adsorption plates are arranged outside an air inlet and provided with active carbon plates, and the adsorption plates are all provided with rotational shafts. The low-temperature plasma deodorization device is mainly used for performing deodorization treatment on environmental air.

The invention discloses a paint deodorant. The paint deodorant is made by mixing 30-38% of natural plant essence extract, 3.2-4.3% of dihydrazide compound, 3.2-5.8% of nano anion powder, 2-3.6% of antifoaming agent, 2.8-3.3% of penetrant and 45-55% of purified water. The paint deodorant adopts the natural plant essence extract as a main component and has a strong, rapid and highly efficient deodorization effect. The paint deodorant can capture and decompose odorous molecules generated in decoration and furniture, quickly remove decoration odor, achieve a non-covering deodorization effect, andis not an aromatic. At the same time, the paint deodorant can not only remove benzene series on the surface of a paint product but also penetrate into paint to remove deep benzene series.

The invention discloses a method for treating VOCs (Volatile Organic Chemicals) and foul gas generated in a sucralose production process, which comprises the following steps: firstly, feeding waste gas into a spray tower, and pre-degrading macromolecular organic matters which are difficult to biologically treat originally and foul molecules with high biotoxicity to reduce the biotoxicity of the waste gas; and introducing the waste gas as a nutrient source and a gas source into a wastewater treatment system to quickly degrade the waste gas, thereby implementing simultaneous waste gas treatmentby using the wastewater system. According to the method, chemical reagent aqueous solution pretreatment and microbiological treatment are combined and cooperate with each other, so that the defect that single-stage treatment emission of a chemical solvent does not reach the standard is overcome, the toxicity of the waste gas to organisms is effectively reduced, and up-to-standard emission of VOCsand malodorous gas is realized. The method is simple in treatment process, low in operation cost, wide in applicability and high in waste gas removal rate, the risks of explosion and combustion are completely eradicated by adopting a wet treatment process, and a new way is provided for waste gas treatment in industrial production.

The invention discloses a heat treatment device for plastic deodorization. The heat treatment device comprises a tank body, a spiral guide plate, a central pipe, a heater, a vacuumizing mechanism and a driving mechanism, a spiral material lifting channel is formed between the spiral material guide plate and the inner wall of the tank body; the plastic particle feeding device has the beneficial effects that the driving mechanism drives the tank body to rotate along the axis of the tank body, so that plastic particles in the tank body spirally ascend upwards along the material lifting channel, and after reaching the upper end of the material lifting channel, the plastic particles enter the upper end of the central pipe, and under the action of gravity, the plastic particles are conveyed to the upper end of the central pipe. And the plastic particles enter the lower end of the material lifting channel from the lower end of the central pipe and then continue to ascend along the material lifting channel, the process is repeated, in the process, the heater heats the plastic particles, and the vacuumizing mechanism enables a negative pressure environment to be formed in the tank body, so that VOC gas is continuously released on the surfaces of the plastic particles and is pumped away and discharged through the vacuumizing mechanism. Therefore, the plastic particles can be efficiently deodorized through the device, and the energy consumption can be reduced.