185 results about "Ethylbenzene" patented technology

The invention provides a method for preparing p-chloromethyl styrene, which comprises the following steps: (1) in the presence of a catalyst and an assistant, carrying out reaction on paraformaldehyde and hydrogen chloride to obtain a chloromethylation reagent; (2) reacting beta-halogenated ethyl benzene with the chloromethylation reagent obtained in the step (1) to obtain chloromethyl halogenated ethyl benzene; (3) adding an extracting agent into the chloromethyl halogenated ethylbenzene reaction liquid obtained in the step (2) for extraction to obtain an oil layer containing chloromethyl halogenated ethylbenzene and a water-containing acid layer, and crystallizing the oil layer to obtain purified p-chloromethyl halogenated ethylbenzene; and (4) in the presence of a solvent, carrying out elimination reaction on the purified p-chloromethyl halogenated ethyl benzene and alkali to obtain p-chloromethyl styrene.

The invention relates to a catalyst for preparing acetophenone by efficiently catalyzing selective oxidation of ethylbenzene in a hydrocarbon selective oxidation reaction, especially under a mild condition, a preparation method of the catalyst, and application of the catalyst provided by the invention. According to the catalyst for catalyzing selective oxidation of ethylbenzene to prepare acetophenone, monatomic Fe is anchored on a nitrogen-doped carbon carrier through a Fe-Nx coordination bond, the Fe content is 4-23 wt%, the BET specific surface area is 200-500 m / g, and Fe exists in Fe < + > and Fe < + > valence states. The catalyst can be used for preparing acetophenone through selective oxidation of hydrocarbons and has the advantages of being high in catalytic performance, stable in structure and good in substrate universality.

This invention discloses a catalyst for the alkylation of tert-butanol with styrene to prepare tert-butylethylbenzene and ethylbenzene, its preparation method, and its application. The catalyst consists of a support and active components loaded on the support. The active components are oxides of rare earth metals and high-valence oxides of transition metals. The support is H-β zeolite. The mass contents of the oxides of rare earth metals and high-valence oxides of transition metals on the support are 3-5% and 2-4%, respectively. This invention makes a breakthrough in the reaction mechanism by loading rare earth metals and transition metals onto a β-molecular sieve and using tert-butanol and styrene as raw materials for alkylation. This avoids the polymerization of styrene (raw material) and the dimerization of isobutylene (intermediate product), reduces the generation of by-products, and makes the catalytic process controllable.

A method for preparing ethylbenzene by using nanosheet molecular sieve as catalyst, the hydrogen type nanosheet molecular sieve is broken and loaded into a fixed bed reactor, benzene and ethanol are used as raw materials, nitrogen is used as carrier gas, the reaction is carried out at 280-350 DEG C and 0.1-1.0 MPa; the hydrogen type nanosheet molecular sieve is ZSM-5 molecular sieve, the length of b axis direction is 70-100 nm, the length ratio L b / L a is less than 0.40. The method for preparing ethylbenzene provided by the application can be directly used for catalyzing ethanol and benzene to prepare ethylbenzene without secondary treatment such as modification of acid, alkali and alkali metal and rare earth metal elements based on the special structure of the nanosheet molecular sieve with ultra-short b axis, can ensure that the product is desorbed and diffused from the surface of the catalyst in time, reduces the probability of deep reaction of the product molecules, realizes high selectivity of the product ethylbenzene, and reduces the cracking and other side reactions.

The application provides a C8 aromatic hydrocarbon isomerization catalyst and a preparation method and application thereof. The catalyst contains an active component and a carrier; wherein, based on the weight of the carrier, the carrier contains 5wt%-25wt% of HZSM-23, 5-30wt% of mordenite, 20-60wt% of macroporous alumina and 10wt%-25wt% of a binder component. The method comprises preparation of the carrier and loading of the active metal, wherein the preparation process of the carrier is as follows: HZSM-23 molecular sieve, mordenite, macroporous alumina and a binder are mixed and formed, and the carrier is prepared after drying and calcination. The catalyst is used for C8 aromatic hydrocarbon isomerization reaction, and has the characteristics of high ethylbenzene conversion rate and high xylene yield when the xylene is at an equilibrium concentration.

The invention relates to a method for producing styrene, starting from ethylbenzene, the method in particular involving the process of transferring heat from the obtained product gas flow to an H2O-containing flow. It has been found that the present method for producing styrene allows the heat required to carry out the dehydrogenation reaction to be efficiently recycled, in particular in order to heat the H2O-containing input flow being used.

The invention discloses a photochromic TiO2-PEG200 (Polyethylene Glycol 200) nano particle and an application of the photochromic TiO2-PEG200 nano particle in photocatalytic oxidation of a C-H bond. The catalyst is synthesized through a solvothermal method, PEG200 is used as a solvent and a modifier, and self-doped Ti < 3 + > and surface oxygen vacancies are introduced into TiO2. Under the irradiation of blue light (405nm), the catalyst generates a photochromic effect, Ti < 4 + > is reduced into high-concentration Ti < 3 + > in situ, and meanwhile, a large amount of superoxide free radicals (O < 2 + >) are generated. A photo-generated hole directly activates an ethylbenzene alpha-C-H bond to generate a benzyl free radical, and the benzyl free radical reacts with a superoxide free radical (O2.) and is finally converted into acetophenone. The catalyst has excellent visible light response and charge separation efficiency, and the acetophenone yield is up to 56 mmol.g <-1 >. H <-1 > and is 10 times that of traditional TiO2. The reversible circulation of Ti < 3 + > / Ti < 4 + > enables the catalyst to maintain good stability, and the activity is still maintained at 95% or above after five times of circulation. The operation conditions are mild (room temperature and normal pressure), a strong oxidant is not needed, an efficient, stable and environment-friendly photocatalysis solution is provided for C-H bond activation, and the method has important application value in the field of fine chemical synthesis.

According to the multi-construction layered metal oxide and the application thereof in hydro-conversion of the polystyrene waste plastic pyrolytic oil, the prepared multi-construction layered metal oxide serves as a catalyst and is fully mixed with the polystyrene waste plastic pyrolytic oil after being pretreated, and then the mixture is transferred into a reaction kettle; after sealing, filling hydrogen into the reaction kettle, controlling the reaction temperature to be 90-100 DEG C, and stirring to react for 6-12 hours; according to the invention, the multi-constructed NixAl-LDO is combined with the hydrogenation process, and the styrene conversion rate and ethylbenzene selectivity are improved by utilizing the combined action of the structural advantage of the multi-layer catalyst and the hydrogenation reaction.

The application discloses a lanthanum-cobalt composite catalyst and a preparation method and application thereof. The lanthanum-cobalt composite catalyst is composed of La2O2SO4, Co4S3 and Co3O4. Co(NO3)2.6H2O, La(NO3)3.6H2O, urea and sodium dodecyl sulfate are dissolved in an isopropyl alcohol solution to form a reaction solution, a precursor is obtained through a solvothermal method, and the lanthanum-cobalt composite catalyst is prepared through calcination. The prepared catalyst is used for selectively oxidizing ethylbenzene into acetophenone under the condition that molecular oxygen is used as an oxidant and no solvent is used, and excellent catalytic performance is shown. The catalytic system meets the requirements of green chemical industry and sustainable development.

The invention provides polyether sulphone and a preparation method thereof. The preparation method comprises the following steps: mixing a polar aprotic solvent, a bisphenol monomer and an alkaline substance, introducing protective gas, heating, dehydrating, cooling to T1, adding a diphenyl sulfone monomer, and carrying out heat preservation at T1 to carry out a first-stage polymerization reaction; adding a low-polarity solvent, heating to T2, and carrying out second-stage polymerization reaction to obtain polyether sulfone; wherein the low-polarity solvent is selected from one or a combination of more than two of normal hexane, cyclohexane, methylbenzene, ethylbenzene, biphenyl and diphenyl ether. By reducing or partially inhibiting the generation of the cyclic oligomer in the reaction process, the polyarylether sulfone with narrow molecular weight distribution and low content of the cyclic polymer is obtained. The method provided by the invention is simple and easy to implement, is convenient to control, avoids complex product purification and separation processes, and is beneficial to industrial implementation.

The invention belongs to the technical field of high polymer material preparation, and particularly discloses narrow-distribution high-light-transmittance MS resin and a preparation method thereof. The preparation method specifically comprises the following steps: (1) conveying 25-65 parts by mass of methyl methacrylate (MMA), 25-65 parts by mass of styrene (ST) and 5-15 parts by mass of ethylbenzene (EB) into a mixing kettle, and uniformly mixing; (2) continuously conveying the mixed solution of methyl methacrylate, styrene and ethylbenzene into a plug flow reaction kettle according to a certain flow, initiating polymerization reaction through an initiator, and adding a chain transfer agent to adjust the polymerization molecular weight; and (3) carrying out two-stage devolatilization extrusion treatment to obtain the high-light-transmittance MS resin. The prepared MS resin has the following properties that the haze is smaller than or equal to 1.2%, and the light transmittance is larger than or equal to 92.5%.

The application provides a preparation method of a C8 aromatic hydrocarbon isomerization catalyst, which comprises the following steps: 1) mixing and forming EUO zeolite and a binder precursor into a carrier, and preparing a hydrogen type carrier after roasting and ammonium exchange; 2) performing composite modification treatment, which comprises hydrothermal treatment, acid treatment, and co-impregnation treatment using one or more compounds containing group IIIA-VIA elements or lanthanide series elements and a compound containing group VIII metal; 3) drying, roasting and reducing the solid to prepare the C8 aromatic hydrocarbon isomerization catalyst; and the application also provides the C8 aromatic hydrocarbon isomerization catalyst prepared by the above method, which comprises a carrier containing 5-35 mass% of EUO zeolite and 65-95 mass% of a binder, 0.02-0.15 mass% of one or more than two of group IIIA-VIA elements or lanthanide series elements, and 0.1-0.5 mass% of group VIII metal, which are calculated based on the carrier. When the catalyst prepared by the method is used in the C8 aromatic hydrocarbon isomerization reaction, the isomerization activity and the ethylbenzene conversion rate are obviously improved, and the aromatic hydrocarbon loss rate is low.

The invention relates to the technical field of ethylbenzene dehydrogenation, in particular to a preparation method and application of a spinel CoFe2O4 oxygen carrier, and the preparation method comprises the following steps: dissolving cobalt salt and iron salt in water according to a specific molar ratio, adding ethylene glycol, methanol and a polymethyl methacrylate template agent, uniformly mixing, drying, carrying out programmed temperature rise calcination in an oxygen-containing atmosphere, and calcining to obtain the spinel CoFe2O4 oxygen carrier. The CoFe2O4 oxygen carrier with a single spinel crystal structure is obtained. The oxygen carrier is used as a recyclable lattice oxygen source and can catalyze ethylbenzene oxidative dehydrogenation to generate styrene at the ultralow temperature of 200-400 DEG C, especially about 250 DEG C, both the ethylbenzene conversion rate and the styrene selectivity can reach 96% or above, and the performance degradation rate is smaller than 5% after at least 41 times of redox cycles. The process conditions are mild, the oxygen carrier structure is stable, the activity is high, and a new way is provided for energy-saving and low-carbon production of styrene.

The invention discloses a solvent-participation-free synthesis process of p-ethyl propiophenone, which comprises the following steps: by taking ethylbenzene and propionyl chloride as raw materials and phosphorus trichloride and lewis acid as catalysts, carrying out Friedel-Crafts acylation reaction without adding other reaction solvents to obtain the p-ethyl propiophenone. Compared with the prior art, the method has the advantages that the generation of disubstituted impurity 1-(2, 4-diethyl phenyl) propan-1-ketone is unexpectedly and effectively avoided, the impurity generation amount is less than 5%, the yield and the purity of p-ethyl propiophenone are greatly improved, and the synthesis process is green, environment-friendly, low in cost and convenient for realizing industrial production, and can be used for industrial production of eperisone.

The invention discloses a method for separating and purifying hydrogen from ethylbenzene dehydrogenation tail gas by using an MOF (Metal Organic Framework) membrane separation device, which belongs to the technical field of advanced membrane separation, adopts a zeolite membrane, a polymeric membrane, a carbon membrane and an MOF membrane as membrane materials, can realize high purification of hydrogen in the tail gas, and comprises the following steps: pretreating the ethylbenzene dehydrogenation tail gas in a pretreatment unit; the pretreated raw materials are fed into MOF membrane separation equipment through a flow controller or a pump to be separated, a permeation component hydrogen is extracted from a permeation side by using a pump or N2 purging or differential pressure pushing, and a retentate side is connected with a back pressure valve to extract other impurity components of a retentate component. According to the method, efficient purification and recovery of hydrogen from ethylbenzene dehydrogenation tail gas are realized, the hydrogen production capacity can be remarkably increased, and the economic benefit is improved.

The invention discloses a system and a method for preparing ethylbenzene from benzene and ethanol, the system comprises a mixer, a first preheater and a first heater which are connected in sequence, and the mixer is respectively connected with a benzene feeding pipeline and an ethanol feeding pipeline; the multi-section adiabatic fixed bed reactor comprises a plurality of sections of adiabatic fixed bed reactors which are connected in sequence, an inlet of the first section of adiabatic fixed bed reactor is connected with the first heater, and an outlet of the last section of adiabatic fixed bed reactor is connected with a first separation tower through a condenser; the system further comprises a raw material supplementing pipeline; the tower top and the tower bottom of the first separation tower are respectively connected with a second separation tower and a third separation tower; and the tower bottom and the tower top of the third separation tower are respectively connected with a fourth separation tower and a fifth separation tower. The temperature difference between the inlet and the outlet of the reactor is small, the content of byproducts is reduced, the recovery purity of benzene is high, the moisture content is low, and the influence of moisture on the catalyst is reduced.

This invention discloses a method and device for monitoring anomalies in ethylbenzene production based on a semantically guided diffusion model. The method includes: acquiring multivariate raw time-series data of the ethylbenzene production process and extracting corresponding process logic text to construct multidimensional semantic feature guidance vectors; inputting the raw time-series data into a pre-trained diffusion model for reconstruction, obtaining reconstructed time-series data; employing an improved residual block structure in the diffusion model's denoising network, embedding semantic guidance branches in the residual paths, and injecting the semantic feature guidance vectors into the time-series feature space using a cross-attention mechanism; calculating the reconstruction residual between the raw time-series data and the reconstructed time-series data, and adjusting the constraint strength of the semantic features based on a classifier-free guidance strategy to amplify anomaly bias; calculating anomaly scores based on the reconstruction residuals to determine whether an anomaly has occurred in the ethylbenzene production process. This invention improves the detection accuracy of hidden anomalies under complex chemical operating conditions through deep coupling of process semantic features and the diffusion model.

The present invention relates to the technical field of separation of direct coal liquefaction oil, and provides a method for separating and purifying monocyclic aromatic hydrocarbons from direct coal liquefaction oil. The method comprises: (1) performing fractional distillation and composition analysis on direct coal liquefaction oil to determine a fraction having the highest content of monocyclic aromatic hydrocarbons; (2) removing low-carbon alkanes and cycloalkanes from a selected fraction by means of column chromatography; (3) separating toluene, a monocyclic aromatic hydrocarbon mixture, and high-carbon alkanes by means of an atmospheric and vacuum distillation column; (4) purifying ethylbenzene from the monocyclic aromatic hydrocarbon mixture by means of an extractive distillation column; and (5) purifying p-xylene by means of a solvent recovery column. The separation method provided by the present invention can make full use of the composition characteristics of direct coal liquefaction oil to obtain two or three high-purity monocyclic aromatic hydrocarbon monomers at a time without introducing additional chemical reaction steps, showing significant economic and environmental benefits.

The invention relates to the technical field of chemical catalysis, in particular to a method and system for preparing p-methyl-ethylbenzene through alkylation. According to the method, reactants and a catalyst react under the conditions that the temperature is 300-500 DEG C and the pressure is 0.1-2.0 MPa, and p-methyl-ethylbenzene is obtained, the reactants comprise an aromatic hydrocarbon raw material and an alkylation reagent; the catalyst is spherical particles, reactants are in countercurrent contact with the catalyst, and the mass space velocity of the aromatic hydrocarbon raw material is 1.0-20 h <-1 >. The method can efficiently convert an aromatic hydrocarbon raw material and an alkylating reagent under mild conditions, directly obtains p-methyl-ethylbenzene in one step, and is high in reaction efficiency and low in energy consumption; the selectivity of p-methyl-ethylbenzene is high, the product purity is high, the yield is high, and the catalyst is renewable; the system is simple in structure and suitable for large-scale production.

The invention relates to the technical field of chemical industry, in particular to a method for preparing styrene by oxidative dehydrogenation of ethylbenzene, which comprises the following steps: under the condition of low temperature of 150-300 DEG C, ethylbenzene is contacted with an oxygen storage catalyst in an oxidation state, the catalyst catalyzes ethylbenzene dehydrogenation to generate styrene and hydrogen, and then the hydrogen is selectively oxidized into water by self lattice oxygen, directional movement of reaction balance is realized; the catalyst consuming lattice oxygen is regenerated through oxygen-containing gas flow to recover the oxidation state and is recycled. The oxygen storage catalyst is a composite metal oxide or carbide-oxide composite material with a specific structure, and has the functions of ethylbenzene activation, lattice oxygen storage and release and molecular oxygen activation. The invention also provides two reactor implementation schemes of fixed bed switching and fluidized bed circulation. The problems that traditional high-temperature dehydrogenation is high in energy consumption and limited in selectivity and existing oxidative dehydrogenation uses pure oxygen to cause safety and excessive oxidation are solved, and low-temperature, efficient and safe styrene production is achieved.

The invention provides a preparation method of an iron-based catalyst, and belongs to the field of chemical synthesis. The invention provides a preparation method of an iron-based catalyst, which comprises the following steps: mixing a potassium source, iron oxide, a pore-foaming agent, a cocatalyst and an adhesive, and calcining to obtain the iron-based catalyst, the potassium source comprises potassium oxide and / or potassium carbonate; on the basis of K2O, the mass ratio of the ferric oxide to the potassium source is (4-99): 1; the mass of the pore-foaming agent is 4-30% of the total mass of the potassium source, the iron oxide, the pore-foaming agent, the cocatalyst and the adhesive; the calcining temperature is 750 to 850 DEG C. By limiting the ratio of iron to potassium, the content of the pore-foaming agent and the calcination temperature, the content of active ingredients of the iron-based catalyst is increased, and the activity and the stability of the iron-based catalyst are improved, so that the iron-based catalyst can effectively promote dehydrogenation reaction of acenaphthene and ethylbenzene, and the conversion rate of acenaphthene and ethylbenzene and the selectivity of acenaphthene and styrene are improved.

The invention provides a steel bar corrosion immediate response corrosion inhibition system and a preparation method and application thereof, and belongs to the technical field of corrosion inhibitors. The preparation method disclosed by the invention comprises the following steps: mixing triethanolamine, polyphenols and 4-dimethyl pyridine, and then carrying out a reaction, so as to obtain anti-rust molecules; the preparation method comprises the following steps: mixing aniline, ethylbenzene, a lauryl sodium sulfate aqueous solution and rust-inhibiting molecules, and emulsifying to obtain a microemulsion; and mixing the microemulsion with a polyvinyl alcohol aqueous solution, and dropwise adding an ammonium persulfate aqueous solution to carry out polymerization reaction, thereby obtaining the steel bar corrosion immediate response corrosion inhibition system. The corrosion inhibition molecule (at) PANI corrosion inhibition system can immediately respond to steel bar corrosion, the steel bar corrosion rate can be remarkably controlled within 3 h after active corrosion of steel bars occurs, a stable protection layer is formed within 12 h, and generation of steel bar corrosion products is reduced.

The invention discloses an aromatic hydrocarbon alkylation catalyst as well as a preparation method and application thereof. The catalyst comprises: 10 to 90 parts of a ZSM-5 molecular sieve; 0.05-10 parts of at least one selected from Co, Mo and La in terms of metal oxide; and 20-60 parts of a binder component. In an XRD diagram of the ZSM-5 molecular sieve, characteristic diffraction peaks of crystal faces (101), (200), (501) and (303) are broadened, and the aspect ratios of the broadened diffraction peaks are independently selected from 2-7. When the catalyst is used in a reaction for preparing C8 aromatic hydrocarbon, unsym-trimethylbenzene can be co-produced, and meanwhile, the content of m-xylene in xylene and the content of ethylbenzene in the C8 aromatic hydrocarbon are reduced, so that the quality of the product C8 aromatic hydrocarbon is improved.

The application discloses an ethylbenzene dehydrogenation catalyst and a preparation method and application thereof. The catalyst comprises an active component of a composite metal oxide and a carrier of an epihalloysite. Preferably, the carrier content is 52% to 90% and the active component content is 10% to 48% based on the weight of the catalyst. The catalyst has the characteristics of uniform dispersion of the active component, good thermal stability and simple preparation process, and is suitable for large-scale industrial production. The catalyst has high catalytic activity, selectivity and good stability when applied to ethylbenzene dehydrogenation reaction.

This invention discloses a method for separating o-toluene and m-toluene, using a bis(dibromoethoxy) column[6] aromatic crystalline material as an adsorbent. A mixture containing o-toluene and m-toluene is contacted with the adsorbent for adsorption, thereby achieving the separation of o-toluene and m-toluene. The chemical structural formula of the bis(dibromoethoxy) column[6] aromatic crystalline material is as follows: This invention also discloses the application of the bis(dibromoethoxy) column[6] aromatic crystalline material in selectively adsorbing and complexing o-toluene in a mixture containing o-toluene and m-toluene to achieve the separation of o-toluene and m-toluene. The separation process of this invention is simple to operate and requires low-level equipment; the separation process does not require distillation, resulting in low energy consumption, energy saving, and reduced production costs of o-toluene; the crystalline material used has high stability, can be recycled, and the separation effect will not decrease.

This invention relates to a dehydrogenation catalyst, specifically to a dehydrogenation catalyst, its preparation method and application, and a method for preparing alkenylbenzene. The dehydrogenation catalyst contains Fe, K, Ce, Mo, and alkaline earth metal elements, as well as at least one of P and S elements; wherein the catalyst phase contains KFe. 11 O 17 , and KFe 11 O 17 The average grain size is less than or equal to 60 nm. The catalyst described in this invention exhibits high yield and short induction period in the dehydrogenation reaction of alkylbenzenes (e.g., ethylbenzene) to alkenylbenzenes (e.g., styrene), achieving excellent technical results.

The present application relates to the field of hydrodealkylation catalyst, discloses a kind of hydrodealkylation catalyst and preparation method, the preparation method of xylene, the catalyst includes carrier and first active component and second active component supported on the carrier;Wherein, the first active component is selected from at least one of group IA metal, group IIA metal and phosphorus;The second active component is selected from group VIII metal and / or group IVB metal;The carrier is molecular sieve with multistage pore structure, and the volume ratio of micropore and mesopore in the carrier is 1.5-8.5.The hydrodealkylation catalyst provided by the present application has higher hydrodealkylation activity, low aromatic ring loss rate, and can improve the selectivity of xylene in the hydrodealkylation reaction of ethylbenzene.

The application discloses a kind of ultrasonic reinforced C8 aromatic hydrocarbon crystallization separation method and system, belong to C8 aromatic hydrocarbon separation technical field.The system of the present application mainly includes primary crystallizer, centrifugal filter, melting tank, ultrasonic generator and the like device.According to the different separation requirements of raw material, different process flow and process system are used in the present application, two-stage filtration process and the combination process of fine filtration are first proposed in C8 aromatic hydrocarbon separation, and the separation of ethylbenzene and xylene can be realized through primary crystallization and filtration, with high separation purity;At the same time, the present application can select coarse separation or fine separation according to the purity requirement of process product, and the raw material has wide adaptability and flexible process.

The invention relates to the technical field of electrochemical sensors, in particular to an ethylbenzene gas sensor, a detection system and a detection method.The sensor comprises a supporting part used for bearing a sensitive layer and / or an electrode; the sensitive layer is made of Zn-Co3O4 to form a mutually staggered nanorod-shaped structure, and the influence of ethyl benzene on the resistance of the sensitive layer is larger than that of other VOCs gas; the two electrodes are electrically connected to the two ends of the sensitive layer respectively, and the electrodes are used for transmitting electric energy to the sensitive layer. According to the detection system and the detection method provided by the invention, interpolation is carried out on the standard temperature-resistance-concentration curved surface according to the real-time resistance and the real-time temperature to calculate the real-time concentration, so that measurement errors caused by resistance baseline drift of the sensitive layer are effectively avoided, and meanwhile, whether data are reliable or not is judged by calculating the stability of the interpolation concentration; therefore, the use of inaccurate data for subsequent analysis and decision is avoided, and the accuracy and reliability of the detection result are improved.

The invention discloses steam deodorizing and drying equipment for plastics and composite materials and a working method of the steam deodorizing and drying equipment. The steam deodorizing and drying equipment comprises a feeding box; the switching valve is connected with the feeding box; the steam deodorization assembly comprises a steam tank, a stirrer and an air blower, a steam ring pipe is arranged in the steam tank, a plurality of steam holes capable of spraying steam are formed in the steam ring pipe, the stirrer is installed in the steam tank and penetrates through the steam ring pipe, and the air blower is connected with the steam tank so as to conduct hot air drying or cold air heat dissipation on materials in the steam tank; and the discharging box is connected with the steam tank and is used for discharging the materials in the steam tank. According to the equipment, water-soluble substances such as formaldehyde, acetaldehyde, acrolein and the like in VOC substances are removed by using steam, and high-boiling-point VOC substances such as benzene, methylbenzene, ethylbenzene, xylene, styrene and the like are removed while the materials are dried by using the air blower subsequently, so that full-process automatic material odor removal is completed. The invention relates to the technical field of plastic and composite material processing equipment.