Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 16. Отображено 16.
31-03-2004 дата публикации

高镁磷矿制备磷酸氢钙的方法

Номер: CN0001485269A
Автор: ZHANG ZHIYE, CHEN XIN, HAN XIUFENG, ZHIYE ZHANG, XIN CHEN, XIUFENG HAN, 张志业
Принадлежит:

A method of preparing calcium bicarbonate from phosphorite with the high content of magnesium, comprises, preparing a mixed acid by vitriol and an acid solution soluble for calcium to decompose phosphoritee, obtaining wet phosphorite, pre-neutralizing the wet phosphoite with milk of lime, separating coarse fertilizer, neutralizing the clear solution, controlling pH at 5.0-7.0. After filtering anddrying, calcium bicarbonate (CaHPO4íñH2O) for feedingstuff is produced. Magnesium ion in the mother liquid is precipitated by milk of lime, the end point pH 8.0-9.0. The invention could directly produce calcium bicarbonate (CaHPO4íñH2O) for feedingstuff by phosphorite with the high content of magnesium, save the process, reduce the total investment.

Подробнее
Номер записи: 1
21-07-2023 дата публикации

Access door for crusher

Номер: CN116464350A
Автор: ZHANG HONGWEI, ZHANG ZHIYE, HU XIONGWEI, YOON UP-HEE, SUN CHUNQING, WANG XU, YAN HESHUN
Принадлежит:

The access door comprises a door seat, the door seat can be arranged around an opening of the crusher and fixed to the outer wall of the crusher, a first hinge seat is arranged at the first end of the door seat, and a first hinge pin hole is formed in the first hinge seat; a second hinge seat is arranged at the first end of the door body, and a second hinge pin hole is formed in the second hinge seat; a hinge pin shaft is arranged in the second hinge pin hole and the first hinge pin hole in a penetrating mode, the hinge pin shaft can be movably arranged in the first hinge pin hole in the thickness direction of the door seat relative to the first hinge pin hole, and the hinge pin shaft is in driving connection with the second hinge pin hole. And the pin shaft movement driving device is connected with the hinge pin shaft and can drive the hinge pin shaft to move in the thickness direction of the door seat so as to drive the door body to be away from or close to the door seat through the second ...

Подробнее
Номер записи: 2
08-10-2015 дата публикации

METHOD FOR PREPARING CALCIUM FERRITE

Номер: WO2015149703A1
Автор: YANG, Lin, LUO, Xianming, ZHANG, Zhiye, LUO, Shufeng, WANG, Xinlong, MA, Xianlin, CHEN, Xiaodong, FU, Quanjun
Принадлежит:

The present invention relates to a method for preparing calcium ferrite, and relates to the technical field of metallurgy. The technical problem to be solved by the present invention is to provide a method for preparing calcium ferrite. The method comprises the following steps: (a) mixing gypsum, pyrite and an iron supplement to obtain a mixed material, wherein the molar ratio of calcium sulphate in gypsum to ferrous disulfide in pyrite to iron elements in the iron supplement is 1:(0.1-2.5):(0-2), the molar ratio of calcium elements to iron elements in the mixed material is 1:(1-2.5), the water content of the gypsum is less than 10wt%, and the water content of the pyrite is 0.1-15wt%; and (b) roasting the mixed material for 0.1-4 hours at a roasting temperature of 900-1500°C under a protective atmosphere, and after the roasting is finished, cooling to obtain calcium ferrite, wherein the protective atmosphere is an inert atmosphere or a reductive atmosphere or a weak oxidative atmosphere ...

Подробнее
Номер записи: 3
23-05-2023 дата публикации

Vertical shaft type impact crusher and sand making system

Номер: CN116140017A
Автор: ZHANG HONGWEI, ZHANG ZHIYE, HU XIONGWEI, YOON UP-HEE, SUN CHUNQING, WANG XU, YAN HESHUN
Принадлежит:

The invention discloses a vertical shaft type impact crusher and a sand making system. The vertical shaft type impact crusher comprises a rack assembly; the crushing mechanism comprises a rotor assembly and is used for throwing materials into a crushing cavity to be crushed; the axis of the rotor assembly is vertically arranged; the main shaft assembly is used for transmission; the transmission system comprises a speed reducer, a base located below the crushing mechanism and a motor horizontally installed on the base, and an input shaft of the speed reducer and an output shaft of the speed reducer are arranged at an angle of 90 degrees so as to perform reversing transmission; the output end of the motor is connected with the input end of the reducer through a first coupler, and the output end of the reducer is in driving connection with the spindle assembly through a second coupler. The motor is horizontally installed so as to be suitable for selecting and installing the high-voltage motor ...

Подробнее
Номер записи: 4
07-04-2023 дата публикации

Method for producing hexafluorophosphate by taking yellow phosphorus as raw material

Номер: CN115924881A
Автор: YANG LIN, ZHANG PAN, ZHANG ZHIYE
Принадлежит:

The invention relates to a method for producing hexafluorophosphate by using yellow phosphorus as a raw material, and belongs to the technical field of hexafluorophosphate production. The technical problem to be solved by the invention is to provide a method for producing hexafluorophosphate by using yellow phosphorus as a raw material. The method comprises the following steps: a, reacting liquid yellow phosphorus, anhydrous hydrogen fluoride and dry air to generate a PF5 crude product; b, freezing and purifying the PF5 crude product, introducing the PF5 crude product into a reaction kettle with liquid yellow phosphorus, and igniting the PF5 crude product to obtain purified PF5 gas; and c, reacting the PF5 gas with fluoride salt, extracting the resultant, standing, layering and filtering to obtain the liquid hexafluorophosphate. According to the invention, transverse development of multi-product coupling is realized through material replacement and process innovation, and resource and energy ...

Подробнее
Номер записи: 5
14-04-2023 дата публикации

Process for producing hexafluorophosphate at low cost

Номер: CN115959687A
Автор: YANG LIN, ZHANG DEXIN, ZHANG ZHIYE
Принадлежит:

The invention relates to a process for producing hexafluorophosphate at low cost, and belongs to the technical field of hexafluorophosphate production. The technical problem to be solved by the invention is to provide a novel process for producing hexafluorophosphate at low cost. The process comprises the following steps: a, reacting dry air, fluorite, sulfur and a phosphorus-containing substance to generate a PF5 crude product; b, freezing and purifying the PF5 crude product, introducing the purified PF5 crude product into a reaction kettle with liquid yellow phosphorus, and igniting the PF5 crude product to obtain purified PF5 gas; and c, reacting the purified PF5 gas with fluoride salt, extracting the resultant, standing, layering and filtering to obtain the liquid hexafluorophosphate. According to the invention, transverse development of multi-product coupling is realized through material replacement and process innovation, a three-dimensional industrial structure for resource utilization ...

Подробнее
Номер записи: 6
02-05-2023 дата публикации

Comprehensive recycling method for enriching phosphorite magnesium removal liquid by nitric acid method

Номер: CN116040662A
Автор: YANG XIUSHAN, ZHANG ZHIYE, WU JUNHU, XU DEHUA, YUAN JINGHUA
Принадлежит:

The invention relates to a comprehensive recycling method for enriching phosphorite magnesium removal liquid through a nitric acid method, and belongs to the technical field of chemical engineering. The method comprises the following steps: mixing the nitric acid process phosphorite magnesium removal liquid with lime milk, reacting for 60-120 minutes at the temperature of 60-80 DEG C, carrying out solid-liquid separation to obtain a solid A and a liquid A, and enabling the addition amount of the lime milk to be stable for 10-15 minutes when the pH value is 6.0-6.5 at the reaction end point; concentrating the liquid A at the temperature of 50-80 DEG C and the pressure of 20-100KPa until CaO in the liquid is 12-16% to obtain liquid B; and mixing the liquid B with a decalcifying agent, completely reacting at 60-80 DEG C, carrying out solid-liquid separation to obtain a solid C and a liquid C, carrying out subsequent treatment on the liquid C to obtain magnesium nitrate, and washing and drying ...

Подробнее
Номер записи: 7
18-04-2023 дата публикации

Method for recycling sulfuric acid and valuable metals in titanium dioxide waste acid

Номер: CN115974123A
Автор: YANG LIN, ZHOU QINGLIE, WANG BAOQI, ZHANG ZHIYE, CHEN XIAODONG
Принадлежит:

The invention relates to a method for recycling sulfuric acid and valuable metals in titanium dioxide waste acid, and belongs to the technical field of titanium dioxide waste acid wastewater treatment. The technical problem to be solved by the invention is to provide a method for recycling sulfuric acid and valuable metals in titanium dioxide waste acid. The method comprises the steps of concentration and crystallization, sulfuric acid extraction, pre-neutralization, valuable metal ion extraction, two-stage neutralization, reverse extraction of valuable metal ions, high-quality utilization of gypsum and carbon dioxide and the like. According to the method, sulfur and other valuable metal ions in the titanium dioxide waste acid can be recycled, the product value is high, the waste acid can reach the emission standard after being treated and is directly discharged, and meanwhile, valuable metal elements such as scandium, vanadium, cobalt, manganese, magnesium, titanium, aluminum and iron ...

Подробнее
Номер записи: 8
04-07-2023 дата публикации

Preparation method of iron phosphate

Номер: CN116374979A
Автор: YANG XIUSHAN, GU RENQUAN, ZHANG ZHIYE, XU DEHUA
Принадлежит:

The invention relates to a preparation method of iron phosphate, and belongs to the technical field of new energy battery raw materials. The technical problem to be solved by the invention is to provide a preparation method of high-quality iron phosphate with high yield. The preparation method comprises the following steps that ferric nitrate crystals and a phosphoric acid solution are mixed and react for 30 min or above at the temperature of 120-200 DEG C, ferric phosphate crystals are obtained, and the concentration of the phosphoric acid solution is larger than or equal to 85 wt%. The preparation method of the battery-grade iron phosphate can be provided aiming at the requirement on high-quality iron phosphate at present, the method is simple and high in yield, the obtained iron phosphate is high in purity and stable in performance, the process cost is reduced from the source, and the process route has great economic value.

Подробнее
Номер записи: 9
31-03-2004 дата публикации

饲料级磷酸氢钙结晶改性的方法

Номер: CN0001485270A
Автор: ZHANG ZHIYE, CHEN XIN, WEI FANGFEI, ZHIYE ZHANG, XIN CHEN, FANGFEI WEI, 张志业
Принадлежит:

A method of modifying calcium bicarbonate for feedingstuff. It is characterized in, adopting two continuous neutralization to produce feedingstuff-grade calcium bicarbonate with coarse crystals in the period of main neutralization, the product could increase the volume of crystal in a better environment; in order to recycle P2O5 in the solution, the product with fine crystals will be back to the first main neutralization to increase the volume of crystal; or separate the product with fine crystals, to prepare some fine-crystal products to improve the utilization rate of the devices.

Подробнее
Номер записи: 10
04-07-2023 дата публикации

Novel anti-loose and anti-skid spacer for split conductors of power transmission and transformation system

Номер: CN116388100A
Автор: MIN KAILONG, WEN GANG, TAN XIAOYAN, LAI LE, SHAN DESHUAI, LI FEIXIANG, MEN HONGYUE, PENG MIN, ZHOU QING, HE WENWU, LI XIN, ZHANG BEIJING, YANG KUN, WANG YONG, ZHANG ZHIYE, ZHANG XU
Принадлежит:

The invention discloses a novel power transmission and transformation system split conductor anti-loose and anti-skid spacer which comprises a spacer body and wire clamps symmetrically arranged on the spacer body, each wire clamp comprises a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are fixedly connected through a fastening bolt, the fastening bolt is sleeved with an elastic piece, and the elastic piece is fixedly connected with the spacer body. A clamping hole is formed between the first clamping plate and the second clamping plate, a sleeve is arranged in the clamping hole, a notch for a wire to penetrate through is formed in the side wall of the sleeve, the length of the sleeve is larger than that of the clamping hole, the outer wall of the axial section of the sleeve is an inclined face or an arc face, the outer wall of the sleeve is matched with the inner wall of the clamping hole, and a wire groove matched with the wire ...

Подробнее
Номер записи: 11
28-04-2023 дата публикации

Multi-channel powder selecting equipment

Номер: CN116020742A
Автор: ZHANG HONGWEI, ZHANG ZHIYE, HU XIONGWEI, YOON UP-HEE, SUN CHUNQING, WANG XU, YAN HESHUN
Принадлежит:

The invention discloses multi-channel powder selecting equipment which comprises a material distributing device used for receiving and conveying materials, a powder selecting device used for selecting powder from the materials, an air supply device used for introducing high-speed airflow into the powder selecting device and a separating device used for filtering the high-speed airflow. The distributing device comprises a discharging assembly arranged above the powder selecting channels, feeding ports communicated with discharging ports of the discharging assembly are formed in the tops of the powder selecting channels, discharging ports used for discharging materials after powder selecting are formed in the bottoms of the powder selecting channels, and the multiple powder selecting channels are arranged in the transverse direction. The discharging assemblies and the powder selecting channels are arranged in a one-to-one correspondence mode and used for adjusting the amount of materials ...

Подробнее
Номер записи: 12
30-05-2023 дата публикации

Recycling method of titanium dioxide wastewater

Номер: CN116177779A
Автор: YANG LIN, WANG BAOQI, ZHOU QINGLIE, ZHANG ZHIYE, CHEN XIAODONG
Принадлежит:

The invention relates to a titanium dioxide wastewater recycling method, and belongs to the technical field of titanium dioxide waste acid and wastewater treatment. The technical problem to be solved by the invention is to provide the titanium dioxide wastewater recycling method. The method comprises the steps of pre-neutralization, membrane filtration or deep neutralization, concentration cooling crystallization, extraction and neutralization. The specific method is adopted, various valuable metal elements and sulfur elements are comprehensively recycled from the titanium dioxide wastewater with the low acid concentration, the wastewater can reach the discharge standard after being treated, and meanwhile all the elements in the wastewater can be separated and effectively utilized. The titanium dioxide wastewater is treated, and elements in the wastewater are utilized in a high-quality manner. The method is simple in process, low in cost and low in energy consumption, does not corrode equipment ...

Подробнее
Номер записи: 13
04-07-2023 дата публикации

Method for preparing iron phosphate

Номер: CN116374978A
Автор: YANG XIUSHAN, GU RENQUAN, ZHANG ZHIYE, XU DEHUA
Принадлежит:

The invention relates to a method for preparing iron phosphate, and belongs to the technical field of wet-process phosphoric acid subsequent preparation processes. The technical problem to be solved by the invention is to provide a method for preparing iron phosphate. The method comprises the following steps: a, mixing calcium nitrate, ferrous sulfate and water to obtain a mixed solution, reacting the mixed solution at 40-80 DEG C for 0.5-1 hour, and filtering to obtain a calcium sulfate precipitate and a ferrous nitrate solution; b, mixing the ferrous nitrate solution with dilute nitric acid, reacting for 0.5-1.5 hours at the temperature of 50-80 DEG C to obtain a ferric nitrate solution, and then concentrating and crystallizing to obtain ferric nitrate crystals; and c, mixing the ferric nitrate crystals with concentrated phosphoric acid, and reacting at 120-200 DEG C for more than 30 minutes to obtain ferric phosphate crystals and nitric acid, with the concentration of the concentrated ...

Подробнее
Номер записи: 14
25-04-2023 дата публикации

Process for co-producing hexafluorophosphate and byproduct light calcium carbonate by taking fluorite as raw material

Номер: CN116002655A
Автор: YANG LIN, ZHANG PAN, ZHANG ZHIYE
Принадлежит:

The invention relates to a process for co-producing hexafluorophosphate and byproduct light calcium carbonate by taking fluorite as a raw material, and belongs to the technical field of hexafluorophosphate production. The technical problem to be solved by the invention is to provide a process for co-producing hexafluorophosphate and byproduct light calcium carbonate by using fluorite as a raw material. The process comprises the following steps: a, reacting fluorite with fuming sulfuric acid to generate crude hydrogen fluoride gas; b, converting the crude hydrogen fluoride gas into PF5 gas; and c, the PF5 gas reacts with fluoride salt, the temperature is controlled to be below 15 DEG C in the reaction process, a product is extracted by adding a solvent of a lithium battery electrolyte, and liquid hexafluorophosphate is obtained through standing, layering and filtering. Transverse development of multi-product coupling is achieved through material replacement and process innovation, meanwhile ...

Подробнее
Номер записи: 15
02-05-2023 дата публикации

Method for comprehensively utilizing phosphoric acid by nitric acid process and wet process

Номер: CN116040596A
Автор: YANG XIUSHAN, ZHANG ZHIYE, YUAN JINGHUA, WU JUNHU, XU DEHUA
Принадлежит:

The invention relates to a method for comprehensively utilizing phosphoric acid by a nitric acid process and a wet process and belongs to the technical field of chemical engineering. The method for preparing the fine phosphate from the nitric acid process wet-process phosphoric acid comprises the following steps: firstly, mixing the nitric acid process wet-process phosphoric acid with sulfuric acid, and performing solid-liquid separation after complete reaction to obtain filtrate A and a solid A; evaporating 50-70% of nitrogen in the filtrate A, adding sulfuric acid, and performing solid-liquid separation after complete reaction at 50-80 DEG C to obtain filtrate B and a solid B; evaporating residual nitrogen from the filtrate B to obtain a solution C; wherein the use amount of the sulfuric acid in the step a is 70-100% of the theoretical use amount, and the use amount of the sulfuric acid in the step b is 0-30% of the theoretical use amount. By adopting the method disclosed by the invention ...

Подробнее
Номер записи: 16