30results about How to "Solve development and utilization problems" patented technology

The invention discloses a preparation method of surface modified pine needle loaded lanthanum hydroxide phosphorus adsorbent. Surface modified pine needles serve as the carrying material, and surfaces of the pine needles are loaded with lanthanum hydroxide through the chemical deposit effect. According to the main preparation process, smashed pine needle cuticle is broken and organic substances in pine needle tissue structures are extracted through an alkali-alcohol mixed solution, and therefore the surfaces of pine needle tissue are loaded with lanthanum hydroxide through deposition. The phosphorus adsorbent is stable in phosphorus removal effect, convenient to recover and little in organic substance dissolution in the adsorption process; meanwhile, forestry by-products are utilized as resources, and quite good application prospects and environment benefits are achieved.

The invention provides a method of extracting methyl o-phenylenediamine from TDI organic bottom and synthesizing TTA by it, solving development and utilization problem of TDI organic bottom. Using TDI organic bottom as raw material, in a certain temperature and pressure, using the method of dissolution and vacuum extract distillation to extract methyl o-phenylenediamine from TDI organic bottom, medium pressure one-step synthesizing methylbenzene-trinitrogen azoles sodium salt by extracted methyl o-phenylenediamine and excess erinitrit solution, and then by acidification, poaching, vacuum hydroextraction, distillation and purification to produce methylbenzene-trinitrogen azoles TTA product. The material temperature of TDI organic bottom in purification process is 160-190deg C,the evacuation in still is 50-380Pa,the synthesized process of TTA is in temperature 250+-20deg C, pressure 4.6-5.2Mpa, synthesis reacting for 3.5-4h in constant temperature and constant pressure. It is adapted for comprehensive development and utilization of organic bottom, environmental conservation and resoure utilization.

The invention relates to a method for preparing potassium fluoride by utilizing potassium fluosilicate. The method comprises the following steps: adding a potassium fluosilicate slurry into ammonia water and reacting to obtain a mixing slurry; standing, subsiding and filtering the mixing slurry to obtain a filtrate and a filter cake; drying the filter cake and preparing white carbon black; cooling, crystallizing, filtering, separating and drying the filtrate to obtain a mixing crystal; calcining the mixing crystal, thereby respectively obtaining a potassium fluoride product and an ammonium hydrogen fluoride product. According to the method, the potassium aluminosilicate and the ammonia water are used as raw materials, so that the cost is low; and the problems of the development utilization and the environmental friendliness of crude potassium fluosilicate are solved effectively. When the potassium fluoride is prepared, the white carbon black and the ammonium hydrogen fluoride are prepared at the same time, so that the utilization rate of the raw materials is high. Based on the characteristics that the ammonium fluoride is easily decomposed when being heated, the ammonium hydrogen fluoride as a decomposition product is easily sublimated and the heat stability of the potassium fluoride is high, the potassium element and the nitrogen element are separated effectively by utilizing a calcination method.

The invention relates to a method for preparing high-purity potassium fluoride and co-producing white carbon black by adopting potassium fluosilicate by adopting potassium fluosilicate. The method provided by the invention comprises the following steps of: firstly carrying out an ammonolysis reaction on ammonia water and potassium fluosilicate to obtain mixed slurry of ammonium fluoride, potassium fluoride and silicon dioxide solid; filtering the mixed slurry, washing a filter cake, and then drying to obtain the white carbon black; adding potassium hydroxide into filtrate to carry out an alkaline hydrolysis reaction, so as to obtain a potassium fluoride solution, and absorbing ammonia gas discharged by a reaction and recycling the absorbed ammonia gas; and standing and settling the potassium fluoride solution, taking supernatant liquor and carrying out induced crystallization on the supernatant liquor, and filtering, washing and drying to obtain the potassium fluoride finished product. The method provided by the invention is low in cost, can effectively solve the problems of development and utilization of crude potassium fluosilicate and environmental protection and has good economic benefit and social benefit; the prepared potassium fluoride is high in purity, and the ammonia water is recycled in the whole reaction process, utilization rate of raw materials is high; and the method provided by the invention is simple in processing steps, no product harmful to the environment is produced, and production environment is friendly.

The invention provides a flow petrol and electricity dual-purpose multifunctional plants straw block press. It includes plants straw shearing device, hydraulic forming device and power output device, the plants straw shearing device and connected with the hydraulic forming device, plants straw shearing device consists of storing materials basket 5, shearing machine cavity 8, adjustable shear cutter 7 installed on the storing materials basket 5 and fore guard board 6 installed on the side of storing materials basket 5; the hydraulic forming device consists of returning material ageing effect machine installed on the side of storing materials basket 5, material cavity, tanks, fore bearing plate 13, pressure plunger piston 18, mold cavity lateral roof 20 and lateral pressure plate 21. The invention can select production broad bean and equipments according to the resources condition of production raw materials; and decide the production power mode according to whether the production broad bean has electronic power. The block press can produce high-protein high-density tablet feed of corn straws and other plants directly, and produce architectural energy-saving, environment-friendly light brick and plants straw and grasses tablet fuels, and products of other aspects.

The invention provides a preparation method for combustion gas by using a ground and extruded straw-slack cylindrical particle to substitute lump coal. According to the method, straw and slack are ground and extruded at a high temperature so as to obtain the cylindrical particle which includes no binder and a small amount of moisture, the phenomenon of explosion and breaking with heat does not occur when the cylindrical particle enters into a high temperature combustion gas generation furnace, the cylindrical particle reacts with steam, hydrogen content in produced combustion gas is greater than 30%, and when the combustion gas is applied to an internal combustion engine, efficacy is improved by 25% due to detonation performance of hydrogen; and after cooling of the cylindrical particle obtained by extruding straw and slack having undergone grinding at grinding temperatures of more than 270 DEG C and more than 320 DGE C, respectively, a semi-coked granular fuel with little smoke is obtained. The method provided by the invention overcomes disadvantages of the prior art.

The invention provides a method and a device for preparing gas by large-scale grinded and squeezed straws and broken coal granules instead of lump coal and coke. A grinding and squeezing hole plate is internally provided with a grinding groove and three rows of squeezing holes. In order to achieve high-yield capacity, the depth of the grinding groove is designed to be 15-25mm, and the width of the grinding groove is designed to be matched with the thickness (width) of a grinding wheel; the broken straws and broken coal are uniformly rotated, grinded and cut in the groove; the groove is internally provided with three rows or multiple rows of squeezing holes; the space between the upper row and the lower row of outer squeezing holes is 4-6mm; the squeezing holes of the same diameter are arranged at the tangential position of the radius of middle staggered round holes; and the number of rollers blocked by the straw and the broken coal is reduced. Not only are the effective discharge areas of the squeezing holes increased, but also the discharge yield of granules formed by the broken straw of the squeezing holes is also improved; and the efficiency of granulators of six groups of grinding wheels is improved by ten times.

The invention relates to a method for preparing high-purity potassium fluoride and co-producing white carbon black by adopting potassium fluosilicate by adopting potassium fluosilicate. The method provided by the invention comprises the following steps of: firstly carrying out an ammonolysis reaction on ammonia water and potassium fluosilicate to obtain mixed slurry of ammonium fluoride, potassium fluoride and silicon dioxide solid; filtering the mixed slurry, washing a filter cake, and then drying to obtain the white carbon black; adding potassium hydroxide into filtrate to carry out an alkaline hydrolysis reaction, so as to obtain a potassium fluoride solution, and absorbing ammonia gas discharged by a reaction and recycling the absorbed ammonia gas; and standing and settling the potassium fluoride solution, taking supernatant liquor and carrying out induced crystallization on the supernatant liquor, and filtering, washing and drying to obtain the potassium fluoride finished product. The method provided by the invention is low in cost, can effectively solve the problems of development and utilization of crude potassium fluosilicate and environmental protection and has good economic benefit and social benefit; the prepared potassium fluoride is high in purity, and the ammonia water is recycled in the whole reaction process, utilization rate of raw materials is high; and the method provided by the invention is simple in processing steps, no product harmful to the environment is produced, and production environment is friendly.

The present invention is process of synthesizing methyl mercapto benzimidazole with TDI by product, belongs to the field of chemical technology, and aims at utilizing the hydrogenated organic slime from TDI production. The synthesis process with the TDI by product as material includes dissolving methyl o-phenylenediamine in water solution at certain temperature, adding carbon bisulfide in the molar ratio to methyl o-phenylenediamine of 0.8-2.0 to 1, heating to certain temperature for reaction for certain period, alkali dissolving, decolorizing with active carbon, acid separating, press filtering, washing and stoving to obtain methyl mercapto benzimidazole. The process is simple, feasible and easy in control and may be used in industrial production, and the methyl mercapto benzimidazole product may be used widely in rubber industry.

The invention discloses a method for primarily separating the components of oat bran, which comprises the following steps of: adding the oat bran serving as a raw material into salt solution for stirring to inhibit viscous polysaccharide from precipitating and ensure that the fiber polysaccharide, starch, protein of the oat bran are more fully separated in the salt solution, and filtering with a screen to obtain an oversize product and an undersize product respectively, wherein the oversize product is mainly the fiber polysaccharide, and the undersize product is mainly the starch and the protein. The method solves the technical problem that: a single function ingredient is obtained by breaking other components, so that various functional factors in the oat bran cannot be developed simultaneously in the conventional process.

The invention discloses a method for producing succinic acid by Canna edulis ker fermentation, belonging to the technical field of microbial fermentation. The invention utilizes Actinobacillus succinogenes CGMCC1593 screened from a beef rumen to ferment Canna edulis ker hydrolysed syrup or Canna edulis ker liquefied mash or a mixture of the Canna edulis ker hydrolysed syrup and one or more than one sugar raw material. The concentration of the product succinic acid reaches 40-66 g / L, the sugar yield is 70-90% (the sugar use ratio is 80-95%), and the production strength reaches 0.9-1.2 g / (L.hour), so that the invention is very suitable for the industrial production of low-cost succinic acid.

The invention relates to an ITS fragment of a dogwood ribosomal DNA and a method for producing the same, effectively solving the problems of variety identification, variety improvement, breeding and exploitation and use of germplasm resources. The ITS fragment consists of three parts which are ITS1, 5.8 S, and ITS2. The method comprises the following steps of: grinding leaves of a dogwood tree; adding PVP powder into the ground leaves and grinding the mixture into fine powder; placing the fine powder into an extraction buffer solution for configuration; removing supernatant; adding beta-Mercaptoethanol and extract made of Vc+2xCTAB into the residuum and mixing the mixture uniformly; adding a solution made of saturated phenol chloroform isoamyl alcohol twice at the same volume; removing impurities and configuring; getting supernatant and adding isopropyl alcohol into the supernatant; collecting sedimentations; and draining off alcohol, and thus obtaining the DNA; carrying out PCR amplification and purification to the DNA by a primer; and sequencing the purified PCR resultant to obtain the ITS fragment. The method is simple, scientific, economic and excellent in social effect.

The invention discloses a device and method for regulating and controlling a fly ash deposition layer based on an impinging stream technology, and belongs to the technical field of ash deposition prevention and control. The device for regulating and controlling the fly ash deposition layer based on the impinging stream technology comprises a high-temperature hearth, a nano-particle spraying systemand a fly ash spraying system, the nano-particle spraying system and the fly ash spraying system are used for spraying nano-particles and micron fly ash into the high-temperature hearth correspondingly, and the spraying directions of the nano-particle spraying system and the fly ash spraying system are oppositely arranged. According to the method for regulating and controlling the fly ash deposition layer, nano-particles are introduced into the high-temperature hearth, so that the surface of coal-fired fly ash is coated with the nano-particles, the surface viscosity of the coal-fired fly ashcan be effectively reduced, the structure and composition of the fly ash deposition layer are regulated and controlled, and finally the purpose of remarkably solving the ash deposition problem is achieved.

The invention discloses a method for preparing flame retardant with phosphate rock. According to the invention, phosphate rock, particularly phosphate rock of middle-low-grade, is taken as an initial raw material, phosphorus-nitrogen type halogen-free composite flame retardant is synthesized directly, and the cost of the phosphorus-nitrogen type halogen-free composite flame retardant is reduced. Moreover, according to the method, the utilization ratio of phosphorus in phosphate rock can be more than 95 percent, so that the method is an effective method for solving problems in developing and utilizing Chinese middle-low-grade phosphate rock.

A process for preparing ammonium hydrogen fluoride and white carbon black simultaneously includes such steps as fast reaction between fluorosilicic acid (or ammonium fluorosilicate) and ammonia water to obtain the crystal seeds of white carbon black, adding water, fluorosilicic acid (or ammonium fluorosilicate) and ammonia water, reacting while controlling pH=8-9 to obtain the slurry of white carbon black deposit and ammonium fluoride solution, filtering, washing to obtain white carbon black paste and ammonium fluoride solution, and respectively preparing white carbon black and ammonium hydrogen fluoride from them.

The invention provides a flow petrol and electricity dual-purpose multifunctional plants straw block press. It includes plants straw shearing device, hydraulic forming device and power output device, the plants straw shearing device and connected with the hydraulic forming device, plants straw shearing device consists of storing materials basket 5, shearing machine cavity 8, adjustable shear cutter 7 installed on the storing materials basket 5 and fore guard board 6 installed on the side of storing materials basket 5; the hydraulic forming device consists of returning material ageing effect machine installed on the side of storing materials basket 5, material cavity, tanks, fore bearing plate 13, pressure plunger piston 18, mold cavity lateral roof 20 and lateral pressure plate 21. The invention can select production broad bean and equipments according to the resources condition of production raw materials; and decide the production power mode according to whether the production broad bean has electronic power. The block press can produce high-protein high-density tablet feed of corn straws and other plants directly, and produce architectural energy-saving, environment-friendly light brick and plants straw and grasses tablet fuels, and products of other aspects.

The invention discloses a high-grade matte-contained copper smelting converter slag treatment process. The process crushes and screens converter slag to feed in a drum type dry magnetic separator for magnetic separation; a white matte nonmagnetic material obtained by magnetic separation directly serves as a copper concentrate product for smelting; and a magnetic material is fed in an ore grinding classification flow consisting of a ball mill and classification equipment, and then is fed in a flotation flow. The process achieves early recovery of copper ores as far as possible to the greatest extent, reduces the material grinding quantity, reduces the flotation grade, improves the treatment capacity of dressing plants, saves the construction investment and the treatment cost of the converter slag, directly improves the enterprise benefit, and solves the development and the utilization of converter slag resources.

The invention relates to a method for preparing potassium fluoride by utilizing potassium fluosilicate. The method comprises the following steps: adding a potassium fluosilicate slurry into ammonia water and reacting to obtain a mixing slurry; standing, subsiding and filtering the mixing slurry to obtain a filtrate and a filter cake; drying the filter cake and preparing white carbon black; cooling, crystallizing, filtering, separating and drying the filtrate to obtain a mixing crystal; calcining the mixing crystal, thereby respectively obtaining a potassium fluoride product and an ammonium hydrogen fluoride product. According to the method, the potassium aluminosilicate and the ammonia water are used as raw materials, so that the cost is low; and the problems of the development utilization and the environmental friendliness of crude potassium fluosilicate are solved effectively. When the potassium fluoride is prepared, the white carbon black and the ammonium hydrogen fluoride are prepared at the same time, so that the utilization rate of the raw materials is high. Based on the characteristics that the ammonium fluoride is easily decomposed when being heated, the ammonium hydrogen fluoride as a decomposition product is easily sublimated and the heat stability of the potassium fluoride is high, the potassium element and the nitrogen element are separated effectively by utilizing a calcination method.

The invention discloses a method for producing succinic acid by Canna edulis ker fermentation, belonging to the technical field of microbial fermentation. The invention utilizes Actinobacillus succinogenes CGMCC1593 screened from a beef rumen to ferment Canna edulis ker hydrolysed syrup or Canna edulis ker liquefied mash or a mixture of the Canna edulis ker hydrolysed syrup and one or more than one sugar raw material. The concentration of the product succinic acid reaches 40-66 g / L, the sugar yield is 70-90% (the sugar use ratio is 80-95%), and the production strength reaches 0.9-1.2 g / (L.hour), so that the invention is very suitable for the industrial production of low-cost succinic acid.

The invention discloses a preparation method of surface modified pine needle loaded lanthanum hydroxide phosphorus adsorbent. Surface modified pine needles serve as the carrying material, and surfaces of the pine needles are loaded with lanthanum hydroxide through the chemical deposit effect. According to the main preparation process, smashed pine needle cuticle is broken and organic substances in pine needle tissue structures are extracted through an alkali-alcohol mixed solution, and therefore the surfaces of pine needle tissue are loaded with lanthanum hydroxide through deposition. The phosphorus adsorbent is stable in phosphorus removal effect, convenient to recover and little in organic substance dissolution in the adsorption process; meanwhile, forestry by-products are utilized as resources, and quite good application prospects and environment benefits are achieved.

The invention provides a method and a device for preparing gas by large-scale grinded and squeezed straws and broken coal granules instead of lump coal and coke. A grinding and squeezing hole plate is internally provided with a grinding groove and three rows of squeezing holes. In order to achieve high-yield capacity, the depth of the grinding groove is designed to be 15-25mm, and the width of the grinding groove is designed to be matched with the thickness (width) of a grinding wheel; the broken straws and broken coal are uniformly rotated, grinded and cut in the groove; the groove is internally provided with three rows or multiple rows of squeezing holes; the space between the upper row and the lower row of outer squeezing holes is 4-6mm; the squeezing holes of the same diameter are arranged at the tangential position of the radius of middle staggered round holes; and the number of rollers blocked by the straw and the broken coal is reduced. Not only are the effective discharge areas of the squeezing holes increased, but also the discharge yield of granules formed by the broken straw of the squeezing holes is also improved; and the efficiency of granulators of six groups of grinding wheels is improved by ten times.

The invention discloses a method for storing waste concrete and sealing carbon dioxide in a newly-abandoned coal mine. All roadways of the newly-abandoned coal mine are separated, and the size of eachspace after separation is determined; from the end farthest away from a portal of the newly-abandoned coal mine, separation walls are constructed in sequence according to the determined size of eachspace after separation; a material transportation system of the newly-abandoned coal mine is adopted to transport the waste concrete into the space after separation for accumulation, and in the accumulation process, a water supply system is adopted to spray saturated lime water; sealing walls are constructed to seal the space where the waste concrete is accumulated, and high-pressure pipelines arearranged on the sealing walls; after the sealing walls meet the sealing requirements, by means of compressed air pipelines, connected with the high-pressure pipelines, of the newly-abandoned coal mine, the carbon dioxide gas is injected into the space; when injection of the carbon dioxide gas with a certain volume is completed, injection is stopped, and the high-pressure pipelines are sealed. Bymeans of the method, the purposes of waste concrete placement, newly-abandoned coal mine filling and carbon dioxide sealing can be achieved, and soil pollution and the atmospheric greenhouse effect can be reduced.

The embodiment of the invention provides a process for preparing a chloramphenicol adsorbent. The process comprises the following steps: grinding pine needles to obtain a large surface area; soaking the pine needle powder in a modifier solution to load the modifier on the pine needle powder; and performing standing and washing, and performing second drying treatment on the pine needle powder to obtain the chloramphenicol adsorbent. The preparation process is simple in method and low in production cost. According to the preparation process provided by the embodiment, primary waste pine needlesare subjected to resource utilization, and chloramphenicol adsorbed pine needles can be used as organic fertilizer for improving the soil condition, so that the problem of forestal by-product development and utilization can be solved to a certain extent, a new means is provided to water body eutrophication, and the application prospect and environmental benefit are excellent.

The invention discloses a method for preparing flame retardant with phosphate rock. According to the invention, phosphate rock, particularly phosphate rock of middle-low-grade, is taken as an initial raw material, phosphorus-nitrogen type halogen-free composite flame retardant is synthesized directly, and the cost of the phosphorus-nitrogen type halogen-free composite flame retardant is reduced. Moreover, according to the method, the utilization ratio of phosphorus in phosphate rock can be more than 95 percent, so that the method is an effective method for solving problems in developing and utilizing Chinese middle-low-grade phosphate rock.

A process for preparing potassium fluoride and white carbon black simultaneously includes such steps as reaction between fluorosilicic acid (or potassium fluorsilicate) and potassium hydroxide to obtain the slurry of white carbon black and potassium fluoride solution, filtering, washing to obtain white carbon black paste and potassium fluoride solution, and respectively preparing white carbon black and potassium fluride from them.

The invention discloses a process for producing machine-made sand and coal powder from coal gangue, including six steps of crushing, grinding, screening, powder selection and dust collection; the invention uses rotary mortar mill + vibrating screen + selection The powder machine replaces the sand making machine + vibrating screen + sand washing machine in the process route, replaces wet sand making with dry sand making, and replaces impact crushing with material layer rolling and crushing, so as to fully dissociate the soft and hard substances in coal gangue and use them separately ; At the same time, the efficient use of coal gangue resources not only solves the weathering problem of coal gangue-made building materials, but also makes the entire process more energy-saving and environmentally friendly.

The invention provides a manufacturing method of electrician level magnesia powder additive, which includes steps of S1, fusing serpentine and separating it after cooling to obtain magnesium silicate coarse material and ferrosilicon; S2, grinding and grading the magnesium silicate coarse material; S3, performing alkali-washing on the magnesium silicate; S4, water-washing and drying magnesium-enriched silicate; S5, smashing, sieving and magnetic-selecting the magnesium-enriched silicate; S6, mixing the magnesium-enriched silicate with kaoline, and preparing the electrician level magnesia powder additive. By using serpentine and kaoline as raw materials, the electrician level magnesia powder additive is prepared; the additive is wide in raw material source and low in cost; moreover, after adding the electrician level magnesia powder additive to the electrician level magnesium oxide, electrical properties of electrician level magnesium oxide are improved; meanwhile, requirements on MgO content in electrically fused magnesite is reduced, thereby enlarging the applicable scale of the electrically fused magnesite raw material and improving the utilization rate of the low-grade the electrically fused magnesite; the manufacturing method is good for solving the development and utilization of low-grade magnesia.

The embodiment of the invention provides a process for preparing a chloramphenicol adsorbent. The process comprises the following steps: grinding pine needles to obtain a large surface area; soaking the pine needle powder in a modifier solution to load the modifier on the pine needle powder; and performing standing and washing, and performing second drying treatment on the pine needle powder to obtain the chloramphenicol adsorbent. The preparation process is simple in method and low in production cost. According to the preparation process provided by the embodiment, primary waste pine needlesare subjected to resource utilization, and chloramphenicol adsorbed pine needles can be used as organic fertilizer for improving the soil condition, so that the problem of forestal by-product development and utilization can be solved to a certain extent, a new means is provided to water body eutrophication, and the application prospect and environmental benefit are excellent.

The invention relates to a processing method of mactra veneriformis soup, which comprises the steps of: purifying fresh mactra veneriformis, entering a cooking and separating device for separating out mactra veneriformis juice after the mactra veneriformis spits sand; settling the separated mactra veneriformis in a settling pond, removing impurities; and concentrating the settled mactra veneriformis, adding ingredients according to different processing requirements, and canning after being sterilized at high temperature. The invention has simple process and reasonable design, effectively solves the problem of development and utilization of the mactra veneriformis juice, avoids environment pollution caused by the waste of the mactra veneriformis juice, provides various delicious condimentsfor people, and has better economic and social benefits.