51 results about "Clarifying agent" patented technology

The invention discloses a passion fruit juice clarification process which comprises the following steps: S1, pectinase treatment: adding pectinase into passion fruit juice, and stirring and reacting for 24-72 hours under the conditions that the temperature is 20-30 DEG C and the pH value is 3.5-4.5; the addition amount of the pectinase is 0.5-1.5% of the mass of the passion fruit juice; s2, bentonite treatment: adding bentonite into the fruit juice treated in the step S1, and standing and adsorbing for 24-48 hours under the condition that the temperature is 25-35 DEG C; the addition amount of the bentonite is 0.1-0.5% of the mass of the passion fruit juice; and S3, performing centrifugal treatment: putting the fruit juice treated in the step S2 into a centrifugal machine, performing centrifugal treatment for 6-12min under the conditions that the temperature is 4-6 DEG C and the rotating speed is 3500-4500r / min, and collecting supernate, thereby obtaining the clear passion fruit juice. By accurately regulating and controlling the combination ratio and process parameters of the clarifying agent, the turbid substances in the passion fruit juice can be efficiently removed.

The invention provides an extraction process and application of tea leaves, and particularly relates to the technical field of cosmetics. The extraction process of the tea leaves comprises the following steps: extracting raw dark green tea leaves with a color fixative, decolorizing with a clarifying agent, activated carbon and a clarifying agent in sequence, filtering, and finely filtering to obtain the tea leaf extract. The extraction process provided by the invention solves the problems of easy oxidation of active ingredients, many impurities, poor storage stability and the like in the traditional tea extraction process, can efficiently retain the active ingredients such as tea polyphenol and the like, and the extract is high in purity and good in stability and can be used in anti-aging and anti-inflammatory cosmetics. The tea leaf extract and the artemia extract have a remarkable synergistic effect in the anti-oxidation and anti-inflammatory aspects, can be used in anti-aging and anti-inflammatory cosmetics, and have a good application prospect.

The invention discloses a method for comprehensive recovery of lead-tin white soot containing arsenic and zinc and harmless vitrification of arsenic and a method for preparing an arsenic glass clarifying agent. The method comprises the steps of first-stage acid leaching, second-stage acid leaching, copper sulfide precipitation, zinc arsenate precipitation, alkaline leaching, calcium arsenate precipitation, calcium arsenate drying and harmless vitrification of arsenic. According to the method, the zinc raffinate acid liquor for zinc extraction is adopted for acid leaching, zinc in the zinc raffinate acid liquor can be recycled, sulfuric acid in the zinc raffinate acid liquor can be utilized, and two-stage acid leaching is conducted in sequence, so that the leaching rate of arsenic, zinc and copper is increased, the separation effect of valuable metal such as arsenic, zinc and copper from lead and tin is improved, and the recycling grade of lead and tin in the soot is improved; the processes of copper sulfide precipitation, zinc arsenate precipitation, alkaline leaching and calcium arsenate precipitation are adopted in sequence, and copper, zinc and arsenic in the leachate are extracted respectively; the arsenic-containing glass clarifying agent which is economic and environment-friendly is prepared from calcium arsenate extracted from the ash, and harmless resourceful treatment of arsenic in the white ash is realized.

This invention discloses an energy-saving and healthy glass, belonging to the field of glass product technology. The energy-saving and healthy glass comprises a functional layer formed by an inorganic functional oil-based coating and a glass substrate. The inorganic functional oil-based coating, by weight, comprises 8-30 parts modified SiO2, 2-10 parts LiNbO3, 2-8 parts Al2O3, 5-12 parts CaF2, 10-20 parts rare earth boride, 0.4-1 part dispersant, 0.2-0.5 parts defoamer, 0.2-1 part clarifying agent, 3-6 parts negative oxygen ion initiator, and 25-70 parts solvent. Simultaneously, this invention also provides a method for preparing the energy-saving and healthy glass, which is simple to operate and has low preparation cost. Without affecting the light transmittance of the glass, it ensures the energy-saving and healthy glass's effects of UV protection, infrared protection, antibacterial and bactericidal properties, and chemical corrosion resistance. The transmittance of ultraviolet and infrared rays is less than 5%, while the transmittance of visible light can reach over 70%.

The invention relates to the field of glass products, and particularly discloses a light-weight glass bottle formula and a processing technology thereof. The formula of the light-weight glass bottle comprises 17.3%-19.1% of quartz sand, 4.6%-5.0% of sodium carbonate, 2.9%-3.2% of calcite, 5.0%-5.5% of potassium feldspar, 0.70%-0.85% of a clarifying agent, 0.23%-0.28% of chromium powder, 0.39%-0.47% of mirabilite, 0.009%-0.011% of carbon powder and 63.8%-70.5% of glass particles, wherein the glass particles are particles with the particle size of 5 mm to 20 mm, and the particles are prepared by smashing recycled colorless glass waste and removing impurities. The light-weight glass bottle formula provided by the invention has the advantage of synchronously ensuring the internal pressure strength and the mechanical impact strength of the glass bottle on the premise of realizing the light weight of the glass bottle.

The invention provides a preparation method of salicornia europaea bio-salt. The preparation method comprises the following steps: step 1, pretreating raw materials: preparing a culture solution from salicornia europaea raw materials; step 2, mixing and extracting; step 3, sterilization; step 4, inoculating bacillus subtilis; step 5, fermenting; step 6, centrifuging; step 7, carrying out solid-liquid separation; 8, clarifying: removing impurities from the liquid obtained after solid-liquid separation in the step 7 by using a natural clarifying agent, so that the solution is clear and transparent; and 9, crystallizing to obtain the salicornia europaea biologic salt. According to the method disclosed by the invention, the bio-salt is prepared by coupling bacillus subtilis fermentation with ZTC 1 + 1 natural clarifying agent clarification, so that zero-emission, zero-pollution and zero-load environment-friendly manufacturing is realized.

The application discloses low-expansion radiation-proof glass ceramics and a preparation method and application thereof, and belongs to the technical field of lithium-aluminum-silicon glass ceramics. The raw materials of the low-expansion radiation-proof glass ceramics include the following components in terms of molar percentage: 50-83.5% of SiO2, 12-20% of Al2O3, 0-7% of B2O3, 2-5% of Li2O, 0-4% of Na2O, 0-2% of K2O, 0-8% of MgO, 0-6% of CaO, 0-2% of SrO, 0-1% of BaO, 1-3% of P2O5, 0-4% of ZnO, 0.5-0.7% of CeO2, 1-4% of ZrO2, 0-0.8% of TiO2 and 0-0.1% of a clarifying agent. The preparation method is as follows: the raw materials are mixed according to the components, and a base glass is obtained through melting; and the base glass is heated through two-step ceramming or one-step ceramming to obtain the glass ceramics.

The invention belongs to the technical field of glass ceramics, and particularly relates to high-performance glass ceramics and a preparation method thereof.The preparation method comprises the following steps that S101, all component raw materials for preparing the glass ceramics are evenly mixed, put into an alumina crucible and placed in a high-temperature furnace to be melted for 3-5 h at the temperature of 1550-1650 DEG C; s102, after melting is completed, the temperature is reduced to 1450-1550 DEG C, and a clarifying agent accounting for 0.1%-0.8% of the total mass of all the raw materials of the microcrystalline glass is scattered for clarification; s103, after the clarification is finished, taking out the crucible, rapidly pouring the crucible into deionized water for quenching, and then drying, grinding and sieving to obtain basic glass powder; s104, a mold is preheated to 550-580 DEG C, the basic glass powder is put into the mold to be pressed, then two times of nucleation and one time of crystallization are carried out, and the high-performance glass ceramic is obtained. The microcrystalline glass prepared by the invention has relatively high transmittance and optical performance.

1. The name of the design product: packaging bag (multi-effect alkali removal and rapid clarifying agent conventional type). 2. The use of the design product: the design product is used for packaging of multi-effect alkali removal and rapid clarifying agent. 3. The design points of the design product: the combination of patterns and colors. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought includes colors. 6. The design product is a thin product, and the left view, right view, top view, and bottom view are omitted.

The invention belongs to the technical field of glass bottle materials, and particularly relates to a high-transmittance low-cost glass bottle formula which is prepared from the following raw materials in parts by weight: 68-72 parts of low-iron quartz sand, 12-14 parts of sodium carbonate, 6-8 parts of limestone, 3-5 parts of dolomite, 4-6 parts of potassium feldspar, 30-40 parts of cullet, 0.3-0.5 part of a clarifying agent and 0.02-0.05 part of a decolorizing agent. The technical problem that an existing high-transmittance glass bottle is high in cost is solved, the formula takes low-iron quartz sand as a core to optimize the proportion of auxiliary materials, the process focuses on melting and annealing links, and energy consumption is reduced.

The invention relates to the technical field of glass production, and provides a compound glass clarifying agent and a preparation method thereof. The clarifying agent comprises the following components in percentage by weight: 10-30% of cerium oxide, 8-15% of calcium sulfate, 0.3-2% of ferric oxide, 2-6% of sodium fluoride, 5-12% of barium carbonate, 4-10% of potassium nitrate, 3-8% of zinc oxide, 1-5% of aluminum oxide and the balance of unavoidable impurities and trace additives. Through decomposition and interaction of multiple components at different temperature sections, a multi-stage gas release system covering 1400-1600 DEG C is arranged and used for promoting generation-coalescence-floating and removal of high-temperature bubbles. The preparation method is used for preparing the compound glass clarifying agent. Compared with the prior art, the invention has the following beneficial effects: by arranging a multi-stage collaborative clarification system, the residual rate of high-temperature bubbles in a glass melt is reduced, and the transparency and quality of glass are improved.

The invention relates to the technical field of glass production auxiliaries, and discloses a clarifying agent for producing photovoltaic glass and a preparation method thereof.The clarifying agent is prepared from, by weight, 10-20 parts of sodium nitrate, 40-70 parts of sodium sulfate, 1-5 parts of antimony compound and 5-15 parts of recycled powder; the recycled powder comprises the optical glass polishing waste powder subjected to recycling treatment. The optical glass polishing waste powder is used for preparing the photovoltaic glass clarifying agent, and the problems that existing polishing waste powder is difficult to economically recycle, rare earth resources are wasted, and the rare earth raw material cost of the glass clarifying agent is high are effectively solved.

The invention discloses an OLED (Organic Light Emitting Diode) glass granulated material as well as a preparation method and a preparation device thereof, and relates to the technical field of glass granulated materials. Silica sand, a clarifying agent and a decolorizing agent are mixed in a mass ratio of (9-11): 1 to obtain a premix; uniformly mixing the premix, boride and silica sand according to the mass ratio of the OLED glass to obtain a batch; granulating the mixed material to obtain a spherical material of 15-20 mm; the obtained spherical material is dried for 1-2 h at the temperature of 100-200 DEG C, and the granulated material is obtained.The mechanical strength of the granulated material is remarkably improved, and the stability of the granulated material is improved.

The utility model discloses a monitoring device for a composite clarifying agent, which belongs to the field of composite clarifying agents and comprises a detection table. Two monitoring frames are oppositely arranged on the detection table; the two monitoring frames are each provided with a bottom plate and a cross beam, and the bottom plates and the cross beams are vertically arranged in parallel. And height adjusting assemblies are assembled on the two monitoring frames. According to the monitoring device for the composite clarifying agent, by controlling the descending height of the bearing plate, the monitor body can monitor the composite clarifying agents at different heights and layers, compared with traditional handheld monitoring, the monitoring device can cover different areas in a storage tank by vertically lifting the monitoring instrument, and the monitoring effect is good. According to the composite clarifying agent storage tank, comprehensive monitoring of the distribution condition of the composite clarifying agent in the whole storage tank is guaranteed, meanwhile, a monitoring instrument is assembled and matched with the two bearing plates, real-time monitoring of the distribution condition of the composite clarifying agent can be achieved, problems can be found in time, measures are taken, and therefore manual labor is greatly reduced, and the monitoring effect is improved.

The invention discloses glass encapsulation slurry and a preparation method and application thereof, and belongs to the technical field of encapsulation slurry, the glass encapsulation slurry comprises the following components by mass: 60-70% of glass powder, 20-25% of a solvent, 6-12% of resin, 0.5-2% of a leveling agent, and 0.5-2% of a dispersant; the glass powder comprises the following components in percentage by mass: 51-66% of silicon oxide, 10-15% of boron oxide, 6-15% of alkaline earth metal oxide, 11-18% of alkali metal oxide, 1-3% of a stabilizer and 1-3% of a clarifying agent; the alkali metal oxide comprises lithium oxide and sodium oxide in a mass ratio of (1-3): (10-15); the alkaline earth metal oxide comprises barium oxide and calcium oxide in a mass ratio of (5-10): (1-5); the stabilizer comprises zirconium oxide; the clarifying agent comprises cerium oxide. The glass encapsulation slurry has a wide use window in the application field of electronic components.

The invention discloses an efficient clarification method for cane juice in cane sugar manufacturing. The method comprises the following steps: step 1, pretreatment; 2, preparing and adding a composite clarifying agent; step 3, gradient temperature control reaction; 4, efficient settling separation; step 5, fine filtration with a ceramic membrane; step 6, recycling filter residues; the method is high in clarification efficiency and good in clarification effect, the multistage clarification process of pretreatment-composite clarification-gradient temperature control reaction-settling separation-ceramic membrane refined filtration is adopted, the steps are standardized, parameters are clear, the gradient temperature control reaction is subjected to staged temperature control, the action efficiency of a clarifying agent and the stability of cane sugar are both considered, the clarification time is greatly shortened, and the quality of cane sugar is improved. The clarification efficiency is obviously improved; the compound clarifying agent can efficiently remove impurities such as colloids, pigments and suspended solids through the synergistic effect of all the components in combination with the gradient temperature control reaction, the clarity and purity of cane juice are greatly improved, and the compound clarifying agent is far superior to the existing process and can be directly used for producing high-quality white granulated sugar.

The application discloses an alkali-free glass substrate, characterized by comprising the following components in terms of mol percentage: 60-72% of SiO2, 8-20% of Al2O3, 6-14% of B2O3, 3-6% of MgO, 3-5% of CaO, 3-5% of SrO, 0-2% of BaO and 0.1-1% of a composite clarifying agent; wherein the sum of the mol percentages of MgO, CaO, SrO and BaO in the alkali-free glass substrate is 9-17%. The application provides an alkali-free glass substrate, a preparation method and a preparation device thereof, reduces the use of clarifying agents, has good clarifying effect, adopts a mixture tabletting process, avoids the problems of stratification and agglomeration of the mixture, and can reduce the energy consumption in a melting process.

This invention relates to a method for preparing high-purity sodium pyroantimonate from antimony-containing waste, belonging to the field of sodium pyroantimonate preparation technology. Specifically, the method includes: crushing and ball milling the antimony-containing waste, followed by sulfidation-alkali leaching in the presence of modified inorganic mineral additives. Antimony enters the solution as Na3[SbS3], while lead, copper, and iron precipitate as sulfides in the slag phase. The additives improve the settling and filtration performance of the leaching slag and assist in the adsorption of colloidal arsenic. After deep purification of the leachate with sodium sulfide, the mother liquor is cooled and crystallized to remove arsenic, which is separated as sodium arsenite crystals. The purified liquid undergoes air oxidation precipitation under seed crystal induction, followed by liquid-solid separation, washing, and drying to obtain high-purity sodium pyroantimonate product. This invention meets the quality requirements of electronic-grade glass clarifying agents, and features strong process compatibility, controllable additive costs, and recyclable mother liquor.

The invention relates to an antimony-free compound clarifying agent for photovoltaic glass as well as a preparation method and a use method of the antimony-free compound clarifying agent. The antimony-free compound clarifying agent is characterized by being prepared from the following raw materials in percentage by weight: 43.65 wt.%-35.19 wt.% of mirabilite, 47.62 wt.%-44.44 wt.% of sodium nitrate, 0.79 wt.%-3.80 wt.% of manganese dioxide powder, 7.94 wt.%-5.56 wt.% of sodium chloride powder and 0.0 wt.%-12.5 wt.% of tin dioxide powder. The antimony-free composite clarifying agent for the photovoltaic glass has the advantages that the antimony-free composite clarifying agent for the photovoltaic glass does not contain an antimony oxide component, is harmless to a human body and pollution-free to the environment, can completely replace an antimony-based clarifying agent, and is lower than the antimony-based clarifying agent in cost; when the antimony-free composite clarifying agent is used for producing photovoltaic glass, various properties of the prepared photovoltaic glass are the same as those of photovoltaic glass produced by an antimony-containing clarifying agent.

The invention relates to the technical field of oilfield sewage treatment, and particularly discloses a composite water clarifier for oilfield sewage treatment and a preparation method of the composite water clarifier. The invention relates to a composite water clarifier for oilfield sewage treatment. The composite water clarifier is prepared from the following raw materials: dual modified polyacrylamide, an imidazoline quaternary ammonium salt grafted copolymer, a scale inhibitor, an adsorbent, dodecyl dimethyl betaine, a coagulant aid and deionized water, the double modified polyacrylamide is obtained by performing double modification on polyacrylamide by using 2, 3-epoxypropyl trimethyl ammonium chloride and a hydrophobic monomer; the imidazoline quaternary ammonium salt grafted copolymer is a grafted copolymer of imidazoline quaternary ammonium salt, acrylamide and acrylamide-2-methylpropanesulfonic acid. The composite water clarifier can be used for treating high-salt and high-oil sewage generated in the middle and later periods of oilfield exploitation, has the advantages of being high in salt resistance, thorough in demulsification and good in flocculation effect, can efficiently remove oil and suspended solids, ensures that effluent reaches the standard, and meets the complex sewage treatment requirements of an oilfield.

1. The name of the design product: packaging bag (multi-effect alkali removal and rapid clarifying agent high-efficiency type). 2. The use of the design product: the design product is used for packaging of multi-effect alkali removal and rapid clarifying agent. 3. The design points of the design product: the combination of patterns and colors. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought includes colors. 6. The design product is a thin product, and the left view, right view, top view, and bottom view are omitted.

The invention discloses a glass composition with a low expansion coefficient, and belongs to the technical field of glass. The glass composition with the low expansion coefficient is prepared from the following components in percentage by weight: 60 to 70 percent of SiO2, 16 to 25 percent of Al2O3, 0.6 to 4.8 percent of B2O3, 6.5 to 10.5 percent of MgO, 0 to 3 percent of CaO, 0.01 to 3 percent of fluxing agent and 0.01 to 0.5 percent of clarifying agent. According to the invention, a compact glass network is formed based on specific component type design and content regulation and control, so that the glass composition has low thermal expansion coefficient, low dielectric constant and high elastic modulus, also has batch production performance, meets the requirements of high-frequency and high-speed signal transmission and the like in actual use, and has a wide application prospect.

The application provides an improved high-quality low-cost glass formula, and belongs to the technical field of glass manufacturing, and solves the technical problems of poor chemical stability and high cost. The improved high-quality low-cost glass formula comprises an A component and a B component, the A component is composed of coarse glass fragments and fine glass fragments, and the B component is composed of the following raw materials in parts by weight: fine sand 1300-1500 parts, soda ash 450-550 parts, calcite 400-500 parts, potassium sodium feldspar 300-400 parts, clarifying agent 35-45 parts, functional auxiliary material 1-12 parts, and color adjusting auxiliary material 1300-1500 parts. The application has the advantages of improving the chemical stability of the glass and reducing the production cost.

The invention discloses lithium-aluminum-silicon glass, a preparation method thereof and lithium-aluminum-silicon dual-strength glass, and relates to the technical field of glass. Comprising the following components in percentage by weight: 60%-66% of SiO2, 15%-20% of Al2O3, 4%-7% of Na2O, 2%-4% of K2O, 1.5%-3.5% of MgO, 0.15%-0.5% of CaO, 1.5%-3.5% of ZrO2, 1%-3% of Y2O3, 4%-6% of Li2O, 0.3%-0.8% of La2O3, 0.4%-1% of Ta2O5 and 1%-1.5% of a clarifying agent. The clarifying agent is prepared from the following components in percentage by weight: 0.2 to 0.5 percent of NaNO3, 0.2 to 0.5 percent of Na2SO4, 0.2 to 0.4 percent of CaF2, 0.15 to 0.35 percent of CeO2 and 0.05 to 0.15 percent of C powder. The lithium-aluminum-silicon glass disclosed by the invention is low in thermal expansion coefficient and excellent in thermal property, mechanical property, optical property and chemical resistance.

The invention discloses a novel composite clarifying agent and a preparation method thereof, the novel composite clarifying agent comprises the following raw materials by weight: 20-40 parts of dolomite, 20-30 parts of limestone, 5-10 parts of anhydrous sodium sulphate, 3-5 parts of cerium oxide, 5-10 parts of chitosan, 3-5 parts of poly dimethyl diallyl ammonium chloride and 3-5 parts of a composite additive, and the invention relates to the technical field of inorganic nonmetal material preparation. According to the novel composite clarifying agent and the preparation method thereof, cerium oxide and sodium nitrate have a synergistic effect to generate oxygen, sodium sulfate and sodium chloride have a synergistic effect to generate chlorine, and tin oxide and water vapor react to generate hydrogen, so that a multi-gas synergistic effect is formed, and bubbles in molten glass are rapidly combined, grow, float and are discharged. According to the present invention, the prepared clarifier can continuously act for 72-100 h at the high temperature of 1550-1610 DEG C, the bubble elimination rate can achieve more than 98%, which is improved by 15-20% compared with the traditional clarifier, and the modern green manufacturing requirement can be met by abandoning the highly toxic white arsenic (As2O3) and the fluorine-containing compound and adopting the non-toxic and harmless cerium oxide, tin oxide and other components.

This invention relates to a low-antimony composite clarifying agent and its preparation method, belonging to the technical field of composite clarifying agents. The clarifying agent consists of a cascaded gas release component, a multi-solid waste synergistic composition, and sodium aluminate. The cascaded gas release component includes low-temperature nitrates, medium-temperature antimony compounds and nitrates, and high-temperature sulfates. The multi-solid waste synergistic composition is a mixture of sodium-calcium-silicon waste glass powder, waste daily-use ceramic powder, and blast furnace slag powder. Sodium aluminate migrates to the bubble interface at high temperatures, enriching aluminum components, and synergistically produces a dual effect of interface regulation and physical stirring with the semi-molten micro-regions of the multi-solid waste synergistic composition. This clarifying agent significantly reduces the amount of antimony used while lowering the ash bubble density to 0.5 bubbles / cm³. 3 With a flexural strength of 95MPa, it achieves a synergistic improvement in efficient degassing and mechanical reinforcement.

To provide a solvent-based paper transparentizing agent that does not require UV curing and that has excellent impregnation properties, transparency, and drying properties in a resin composition that is impregnated into opaque paper to allow the underlying printed matter or pattern to be seen through.SOLUTION: A paper transparentizing agent for making paper transparent according to the present invention contains an acrylic oligomer and an aliphatic ester solvent, wherein the weight average molecular weight of the oligomer is 1,000 to 15,000, the ratio of the aliphatic ester solvent to the total solvent is 30 wt.% or more, and the solid content is 25 to 65 wt.%.SELECTED DRAWING: None

The present application relates to a kind of glass materials and its preparation method and application.The composition of the glass material includes: 53-60wt% SiO2, 20-26wt% Al2O3, 3-4wt% Li2O, 1-4wt% ZnO, 0.5-3wt% MgO, 0.2-3wt% RO, 1-2wt% TiO2, 1-2wt% ZrO2, 3-5wt% P2O5, 0.5-3wt% Ln2O3 and 0-2wt% clarifying agent;Wherein, R=at least one of Sr, Ca, Ba;Ln=at least one of Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Tb, Er, Tm, Yb, Lu;The clarifying agent is selected from Sb2O3, CeO2 and at least one of combination.

The present application relates to a kind of glass materials and its preparation method and application.The composition of the glass material includes: 53-60wt% SiO2, 20-26wt% Al2O3, 3-4wt% Li2O, 1-4wt% ZnO, 0.5-3wt% MgO, 1-2wt% TiO2, 1-2wt% ZrO2, 3-5wt% P2O5, 0.5-3wt% M2O5, 0.5-3wt% Ln2O3 and 0-2wt% clarifying agent;Wherein, R=at least one of Sr, Ca, Ba;M=at least one of Ta, Nb;Ln=at least one of Ce, Sc, Pr, Y, La, Nd, Sm, Gd, Tb, Dy, Er, Tm, Yb, Lu;The clarifying agent is selected from at least one of Sb2O3, CeO2 and combination.

The invention provides sweet wormwood and antifebrile dichroa granules and a preparation method thereof. The sweet wormwood and antifebrile dichroa granules are prepared from, by weight, 300 g of sweet wormwood, 300 g of antifebrile dichroa, 200 g of Chinese pulsatilla roots and 200 g of hairyvein agrimony, wherein the auxiliary materials comprise 1-5 g of PEG-400, 5-10 g of ZTC-II clarifying agent, 10-30 g of beta-dextrin and 400-600 g of cane sugar. The product provided by the invention has strong stability, and changes the high-temperature decoction process under pressure and normal pressure in the traditional extraction tank, so that the energy can be saved, the dosage of a water solvent is reduced, the post-treatment process is simple and convenient, the storage process is reduced, the energy is saved, the process is simple, the operation is convenient, and the method is suitable for industrial production, popularization and application.