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35results about How to "Improve particle fineness" patented technology

Environment-friendly paste discharge agent for textile printing and preparation method thereof

The invention discloses an environment-friendly paste discharge agent for textile printing and a preparation method thereof. The environment-friendly paste discharge agent comprises the following components in parts by weight: 30-60 parts of decamethyl cyclopentasiloxane, 40-70 parts of thiourea dioxide, 1-3 parts of surfactant and 3-6 parts of glycerin. The preparation method comprises the steps: putting the decamethyl cyclopentasiloxane into a ball grinder container; adding the surfactant to be uniformly dispersed or dissolved and uniformly agitated; and then adding the thiourea dioxide into the ball grinder container to blend and grind for 1-3 hours. Specific liquid compound decamethyl cyclopentasiloxane as a disperse medium and the thiourea dioxide are not subjected to chemical reaction; With the environment-friendly paste discharge agent provided by the invention, contact of the thiourea dioxide with the external water and air is isolated; the stability of the thiourea dioxide is improved; the discharge effect is excellent; and the problems of low solubility, poor dispersible uniformity in discharge pulp, poor net permeability and insufficient development of the discharge action caused by common thiourea dioxide used as the discharge agent are overcome.
Owner:HAINING GREEN SHIELD TEXTILE TECH CO LTD

Preparation method for active dendrobium candidum superfine powder

ActiveCN104906384AReduce contact areaIncrease pre-freezing and heat transfer effectPowder deliveryPlant ingredientsMicrometerSmall hole
The invention discloses a preparation method for active dendrobium candidum superfine powder. The preparation method comprises steps: first, leaves of harvested fresh dendrobium candidum are removed, and washing and draining are carried out; second, punching is carried out, the dendrobium officinale is fixed on a die, the die is placed on a shelf of a vacuum drying container, cooling is carried out, the die is a cube-shaped metal die body (1) with an upper surface equipped with a half-cylindrical groove (2), and small holes (3) are arranged in the die body; third, vacuum-pumping is carried out; fourth, the shelf is heated, the temperature is risen to 0 DEG C, the pressure intensity is kept at 20-100Pa, drying is carried out, the material temperature is risen from 0 DEG C to 20 DEG C, the pressure intensity is kept at 10-20Pa, drying is carried out, the material temperature is risen from 20 DEG C to 40 DEG C, the pressure intensity is kept within 10Pa, drying is carried out, pressurization to a normal pressure is carried out; fifth, low temperature air-flow crushing is carried out, and active dendrobium candidum superfine powder is obtained and more than 95% of active dendrobium candidum superfine powder has a particle size of being less than 20 micrometers. The freeze-drying rate is high, freeze-drying time is saved, energy consumption is lowered, the product has a small particle size and is easy to dissolve and absorb, and the bioavailability is high.
Owner:ZHEJIANG JIANFENG HEALTH TECH

Solid-liquid mixing equipment and solid-liquid mixing method

The invention discloses solid-liquid mixing equipment. The solid-liquid mixing equipment comprises a storage tank, a pump body, a spray nozzle, a material receiving pipe and a shearing device, whereina material inlet of the pump body is connected with the storage tank; the tail part of the spray nozzle is connected with a material outlet of the pump body; one end of the material receiving pipe islocated in a feed liquid spraying direction of the spray nozzle; a material inlet of the shearing device is connected to the other end of the material receiving pipe, and a material outlet of the shearing device is connected to the storage tank. The invention also discloses a solid-liquid mixing method. The solid-liquid mixing method comprises the following steps: adding to-be-mixed feed liquid in the storage tank; spraying the feed liquid from the spray nozzle under the driving of the pump body; enabling the feed liquid to enter the shearing device through the material receiving pipe, and enabling the feed liquid to flow into the storage tank after shearing and mixing. According to the solid-liquid mixing equipment disclosed by the invention, the storage tank is separated from the shearing device, solid-liquid mixed materials can be uniformly treated, a phenomenon of doping of large particles cannot occur, and particles can also be prevented from being excessively smashed; through the arrangement of the spray nozzle, ejected fluid is enabled to quickly enter the material receiving pipe, so that negative pressure is formed at the periphery of a pipe opening of the material receiving pipe, and materials can be sucked into the material receiving pipe.
Owner:哈尔滨万鑫石墨谷科技有限公司

Compound functional aid for wet grinding of concrete waste residues and application thereof

The invention discloses a compound functional aid for wet grinding of concrete waste residues and application thereof. The compound functional aid comprises the following components in parts by mass:140-160 parts of a grinding aiding component, 140-160 parts of a dispersing component, 60-80 parts of a retarding component, 10-20 parts of an early0strength component and 160-180 parts of water. Thefunctional additive is specially designed for concrete waste residues, has multiple functions including a grinding aiding function, a dispersing function, a slump retaining (retarding) function, an early-strength promoting function and the like, and is in a liquid state at normal temperature, low in mixing amount and friendly to environment. When the compound functional aid is used for wet grinding of concrete waste residues, wet grinding efficiency can be effectively improved, obtained waste residue slurry is uniformly and stably dispersed, has extremely high particle fineness and extremely high activity and is easy to store and convey, the early strength and the working performance of concrete can be effectively improved after the waste residue slurry replaces admixtures used for concrete production, and high engineering application value is obtained.
Owner:CHINA STATE CONSTR READY MIXED CONCRETE CO LTD +1

Special water-soluble fertilizer for cucumbers and preparation method thereof

The invention discloses a special water-soluble fertilizer for cucumbers and a preparation method thereof, and belongs to the technical field of a water-soluble fertilizer. The special water-soluble fertilizer is prepared from the following raw materials in parts by weight: 25 to 30 parts of urea, 15 to 25 parts of industrial monoammonium phosphate, 45 to 55 parts of potassium nitrate, 10 to 14 parts of calcium nitrate, 0.2 to 0.4 part of hydrochloric acid and 60 to 80 parts of deionized water. The method comprises the following steps of 1, heating deionized water to 95 to 98 DEG C; 2, addinghydrochloric acid according to the proportioning ratio; performing uniform stirring; 3, adding hydrochloric acid according to the proportioning ratio; performing uniform stirring; 3, adding industrialmonoammonium phosphate according to the proportioning ratio; performing stirring to complete dissolution; performing uniform mixing; 4, adding potassium nitrate and urea according to the mixture ratio; performing stirring to complete dissolution; performing uniform mixing; 5, slowly adding calcium nitrate into the materials according to the mixture ratio; after the addition is completed, performing uniform stirring; 6, after spray drying, performing cooling to obtain a finished product. The fertilizer has the advantages that the particle fineness is good; the water-soluble speed is high; thecucumber yield can be improved, and the like.
Owner:HUBEI FUSOURCE BIOLOGY OF BIOLOGICAL TECH CO LTD

A kind of water-soluble fertilizer containing middle element to promote fruit expansion and preparation method thereof

The invention discloses a secondary element containing water soluble fertilizer for promoting fruit expansion and a preparation method of the water soluble fertilizer and belongs to the technical field of water soluble fertilizers. The water soluble fertilizer is prepared from raw materials in parts by weight as follows: 15-30 parts of urea, 6-20 parts of industrial monoammonium phosphate, 30-90 parts of potassium nitrate, 3-10 parts of calcium nitrate, 0.1-1 part of hydrochloric acid and 30-60 parts of deionized water. The preparation method comprises steps as follows: 1, the deionized water is heated to 95-98 DEG C; 2, hydrochloric acid is added in parts by weight, and the mixture is uniformly stirred; 3, the industrial monoammonium phosphate is added in proportion and stirred until the industrial monoammonium phosphate is completely dissolved, and the mixture is uniformly mixed; 4, potassium nitrate and urea are added in proportion and stirred until potassium nitrate and urea are completely dissolved, and the mixture is uniformly mixed; 5, calcium nitrate is added slowly in batches in proportion, and then, the mixture is uniformly stirred; 6, after spray drying, the mixture is cooled, and a finished product is obtained. The fertilizer has the advantages of good grain fineness, high water dissolving speed, high fertilizer nutrient activity and the like.
Owner:HUBEI XIANGYUN GROUP CHEM

A harmless and resourceful restoration method for chromium-contaminated soil

The invention relates to a heavy-metal-contaminated soil remediation technology, in particular to a harmless and recycling remediation method for chromium-contaminated soil. The to-be-treated chromium-contaminated soil is subjected to particle-grade component screening through a two-stage screening method and cleaned, and fine sand particle components of 0.05-0.2 mm and powder particle / clay particle components of smaller than 0.05 mm are obtained; the soil components of 0.05-0.2 mm and smaller than 0.05 mm are treated through soil pH adjusting, pH stability strengthening and hexavalent chromium (Cr(VI)) reduction; then according to the mixed material parameter optimization requirements (the plastic index, the calorific value, the silicon aluminum mass ratio and the particle grade), the contaminated soil of the fine sand particle components, the contaminated soil of the powder particle / clay particle components, coal gangue and fly ash with the established weight ratio are matched and mixed, and the mixed material is fully stirred and homogenized; and the mixed material is subjected to green brick pressing after water content adjusting and sintered into a brick in the mode that hightemperature sintering is combined with brick body internal combustion, and thus harmless and recycling remediation for the contaminated soil sintered brick is achieved. The harmless and recycling remediation method has the characteristics of heavy-metal-chromium-contaminated soil remediation and recycling utilization, and has large economic advantages and industrialization prospects compared withother heavy-metal-contaminated soil remediation technologies.
Owner:SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI

Solid-liquid mixing equipment and method

The invention discloses solid-liquid mixing equipment. The solid-liquid mixing equipment comprises a storage tank, a first pump body, a nozzle, a material receiving pipe, a second pump body, a sand mill,wherein a feed port of the first pump body is connected to the storage tank, the tail part of the nozzle is connected to a discharge port of the first pump body, one end of the material receiving pipe is located in the material liquid spraying direction of the nozzle, a feed port of the second pump body is connected to the other end of the material receiving pipe, a feed port of the sand mill is connected to a discharge port of the second pump body and is connected to the other end of the material receiving pipe, and a discharge port of the sand mill is connected to the storage tank. The invention further discloses a solid-liquid mixing method based on the solid-liquid mixing equipment. According to the solid-liquid mixing equipment, the storage tank is separated from the sand mill, a solid-liquid mixture can be uniformly treated, so that the mixing time of feed liquid is prolonged, and therefore the mixing degree is more uniform; and the nozzle is arranged, so that ejected fluid can enter the material receiving pipe quickly, so that negative pressure is formed at the periphery of a pipe orifice of the material receiving pipe, and the materials can be sucked into the material receiving pipe.
Owner:哈尔滨万鑫石墨谷科技有限公司
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