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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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 26. Отображено 26.
25-04-2019 дата публикации

CROSS FLOW IMPELLER MOUNTING STRUCTURE, AIR DUCT ASSEMBLY AND DEVICE PROVIDED WITH CROSS FLOW IMPELLER

Номер: WO2019076127A1
Автор: HU, Xiaobo, SUN, Tuchun, HOU, Jianfei, YANG, Hai, HU, Yabo, JIANG, Zhiyong, ZENG, Li, ZHENG, Bowen
Принадлежит:

A cross flow impeller mounting structure, an air duct assembly and a device provided with a cross flow impeller, the cross flow impeller mounting structure comprising a shell (1) and an impeller shaft supporting structure which is mounted on the shell (1) and is suitable for being mounted and supported at one endof a cross flow impeller shaft far from a motor (5); the shell (1) is suitable for mounting a cross flow impeller (4) and matches the cross flow impeller (4) to form an air duct. The shell (1) comprises: a side wall (11); a first end wall (12), connected to one end of the side wall (11) and provided with a first mounting through hole (121) suitable for mounting the motor (5), the hole diameter of the first mounting through hole (121) matching the outer diameter of the motor (5) which drives the cross flow impeller (4) to rotate; and a second end wall (13), connected to the other end of the side wall (11), and provided with a second mounting through hole (131) where the cross flow ...

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Номер записи: 1
07-06-2018 дата публикации

SYSTEM AND METHOD FOR CONTROLLING EXPOSURE DOSE OF LIGHT SOURCE

Номер: WO2018099325A1
Автор: LI, Pingxin, LI, Meng, JIANG, Zhiyong, MA, Pengchuan
Принадлежит:

Disclosed are a system and method for controlling an exposure dose of a light source. The system comprises an LED light source (1), a dodging unit (2), an energy detection unit (31, 32) and an exposure dose control unit (4) connected to the LED light source and the energy detection unit respectively, wherein the energy detection unit comprises an energy detector (31) corresponding to the LED light source or the dodging unit, and a point energy sensor (32) corresponding to a silicon wafer. By using an LED light source capable of generating UV light to replace an existing light source, namely, a mercury lamp, a risk that harmful metal vapour enters an environment after the mercury lamp is broken is prevented, thereby reducing dangers of the system and keeping the system safer. Adjustment of the illuminance of an exposure system is realised by controlling the LED light source by means of an exposure dose control unit, and at the same time, silicon wafer exposure with high dose precision is ...

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Номер записи: 2
02-05-2023 дата публикации

Block chain state storage method, block chain state verification method and block chain node

Номер: CN116049170A
Автор: HE JIAHUA, LIU QIAN, JIANG ZHIYONG
Принадлежит:

The invention discloses a block chain state storage method, a block chain state verification method and a block chain node. To-be-stored target state data is state data of a first parameter in a block chain. The storage method comprises the steps that a first state tree and a first Merck tree corresponding to a previous block are obtained from a block chain, the first Merck tree comprises multiple pieces of first state data of a first parameter, and the first state tree comprises a first root hash value of the first Merck tree; and based on the target state data, updating the first Merck tree to obtain a second Merck tree, the second Merck tree comprising a second root hash value. And updating the first state tree based on the second root hash value to obtain a second state tree. A second state tree and a second Merck tree are stored in association with the current block.

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Номер записи: 3
06-06-2023 дата публикации

Line loss monitoring and positioning system and line loss monitoring and positioning method

Номер: CN116223966A
Автор: ZHANG PENGFEI, WANG FANG, YANG ZELIANG, ZHENG CONG, JIANG ZHIYONG
Принадлежит:

The invention discloses a line loss monitoring and positioning system, belongs to the field of power equipment and data processing, overcomes the problems of low monitoring efficiency and incapability of positioning wrong lines, and adopts the technical scheme that the line loss monitoring and positioning system mainly comprises a data acquisition unit, a data storage unit, a data analysis unit and a display alarm unit, the data storage unit comprises a theoretical line loss storage unit, a real-time data storage unit and a comparison result storage unit, the data analysis unit comprises a grading unit, a calculation unit and a comparison unit, and the grading unit is used for dividing data stored in the real-time data storage unit according to the hierarchy of partition, voltage division, line division and transformer area division; and the calculation unit is used for calculating the actual line loss rates of the subareas, the partial voltages, the partial lines and the partial transformer ...

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Номер записи: 4
22-06-2016 дата публикации

Oscillating device of fluid in moon pool when reducing drill ship navigation

Номер: CN0205327328U
Автор: YANG YUPENG, GU JIAYANG, JIANG ZHIYONG, YAO ZHENQIU, HUANG XIANGHONG
Принадлежит:

... 本实用新型公开了一种减小钻井船航行时月池内流体振荡的装置，包括设置在月池底部的第一阻尼箱和第二阻尼箱，所述第一阻尼箱和第二阻尼箱的一端分别铰接在月池内壁上，第一阻尼箱和第二阻尼箱的另一端均为圆弧状，第一阻尼箱和第二阻尼箱水平时，第一阻尼箱和第二阻尼箱将月池底部封闭，第一阻尼箱和第二阻尼箱分别与驱动装置连接，驱动装置驱动第一阻尼箱和第二阻尼箱绕月池内壁转动。本实用新型的减小钻井船航行时月池内流体振荡的装置，阻尼箱能很好地消除由于月池大开口的存在导致流体流经月池底部因为结构突变产生的漩涡，从而减弱了漩涡对月池内壁冲击作用，减弱了船舶的晃荡，减小了船舶航行阻力。 ...

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Номер записи: 5
02-08-2018 дата публикации

SHUTTER DEVICE AND CONTROL METHOD THEREFOR, MASK ALIGNER AND EXPOSURE DOSE CONTROL METHOD THEREFOR

Номер: WO2018137676A1
Автор: JIANG, Zhiyong, ZHANG, Fuping, WANG, Yanfei
Принадлежит:

Disclosed are a shutter device and a control method therefor, a mask aligner and an exposure dose control method therefor. The shutter device comprises: a light blocking unit and a voice coil electric motor (100), wherein the voice coil electric motor (100) comprises a permanent magnet module (110), a drive guide rail module (120) and coil structures (130). The coil structures (130) are arranged on the drive guide rail module (120). The permanent magnet module (110) generates a magnetic field inside the drive guide rail module (120). The light blocking unit comprises two shutter blades (200). The shutter blades (200) are connected to the coil structures (130). After being energised, the coil structures (130) generate magnetic fields the opposite of or the same as the magnetic field in the drive guide rail module (120), so that the coil structures (130) move forwards or reversely along the drive guide rail module (120) to drive the opening or closing of the two shutter blades (200). By means ...

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Номер записи: 6
25-04-2023 дата публикации

Flexible high-speed rail wireless access network networking method

Номер: CN116017748A
Автор: LIN WEI, LIANG YIQUN, WANG FANG, LIU CHENXI, XUE WENJUAN, JIANG ZHIYONG, GUO QIANGLIANG, JIANG BO, LI YI
Принадлежит:

The invention discloses a flexible high-speed rail wireless access network networking method. Corresponding networking schemes are deployed according to different line scenes of a high-speed rail; accessing a network through a related networking scheme according to a line scene where the high-speed rail is located, and determining a scheduling priority of each communication service according to a high-speed rail service type and a corresponding QoS priority; performing adaptive wireless access network rearrangement on each communication service according to the scheduling priority of each communication service; and performing resource scheduling on each communication service through a scheduling algorithm in combination with the scheduling priority of each communication service. According to the method, differential wireless network facility deployment of different high-speed rail service areas can be realized, so that service quality of access performance, mobility performance, channel ...

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Номер записи: 7
27-06-2023 дата публикации

Multi-system fusion vehicle-mounted antenna and vehicle-mounted communication system

Номер: CN116345160A
Автор: KO SANG-YONG, LI HUI, DOU YAXI, XU ZONGCHANG, NIE XIN, DONG GENCAI, JIANG ZHIYONG, JIANG HONGMIN, CHEN SONG, LI XU, JIANG BO, GUO QIANGLIANG, LI CHUNDUO, ZHANG HONGYI, LIU YANXIN, WANG QIANRU, YU JIN, ZHOU RUIWEN, HAO YANG, XUE ZHU, TIAN YUAN
Принадлежит:

The invention discloses a multi-system fusion train antenna and a vehicle-mounted communication system. The antenna comprises a first PCB monopole antenna, an oval PCB monopole antenna and a second PCB monopole antenna which are sequentially arranged on a metal bottom plate at intervals from front to back. The positioning antenna module is arranged above the PCB elliptical monopole antenna in a supporting manner through a third plastic supporting piece; the outer cover is fixedly buckled on the metal bottom plate and buckles the PCB monopole antenna I, the PCB elliptical monopole antenna, the PCB monopole antenna II and the positioning antenna module; the PCB monopole antenna I is used as a GSM-R antenna and works at a GSM-R frequency band; the PCB elliptic monopole antenna is used as a public network antenna and works in a public network frequency band; the PCB monopole antenna II is used as a 5G-R antenna and works at a 5G-R frequency band; the positioning antenna module is a positioning ...

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Номер записи: 8
18-04-2023 дата публикации

Privacy intersection method and device

Номер: CN115982768A
Автор: WU XIAOCHEN, LI YANG, XU YAN, JIANG ZHIYONG
Принадлежит:

A privacy intersection method and device are used for performing privacy intersection for two data sets, and the privacy intersection method comprises the following steps: adjusting a first encryption item of each piece of first data in a first data set by using a first adjustment key obtained in advance to obtain a first adjustment item; and performing privacy intersection on the first data set and the second data set based on the first adjustment item and the second encryption item of each piece of second data in the second data set. Wherein the first adjustment key is determined based on a first encryption key corresponding to the first encryption item and a second encryption key corresponding to the second encryption item.

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Номер записи: 9
07-12-2017 дата публикации

ADAPTIVE RESOURCE ALLOCATION METHOD AND APPARATUS

Номер: WO2017206749A1
Автор: JIANG, Zhiyong, YANG, Zhenkun
Принадлежит:

The present application provides an adaptive resource allocation method and apparatus. The method comprises: obtaining a request time, an actual execution time, and a response time of each service statement in a cycle; determining different time periods of each service statement in the cycle according to the request time; and determining, according to the actual execution time and the response time of each service statement in each time period, a type of each service statement, and adjusting resource quotas for different types of service statements in the same time period of the next cycle. According to the present application, a system can adaptively adjust resource quotas of different types of services in different time periods according to types of service requests received during operation and load situations of service requests of different types, so that a core service (such as a transaction service) can run stably, and system resources are fully utilized.

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Номер записи: 10
05-03-2020 дата публикации

DATABASE QUERY OPTIMIZATION METHOD AND APPARATUS AND COMPUTER DEVICE

Номер: WO2020042804A1
Автор: YAO, Yingying, XIAO, Yi, LI, Yang, PAN, Yi, JIANG, Zhiyong
Принадлежит:

Disclosed are a database query optimization method and apparatus and a computer device, the method comprising: receiving a data query request sent by a client; analyzing the data query request, and determining, according to an analysis result, an execution plan for executing the data query request; if the execution plan is a nested loops anti-join, determining whether it is possible for a NULL value to exist in a field to be queried of a data table to be queried indicated by the data query request; and if so, generating a filter condition, and optimizing the execution plan on the basis of the filter condition.

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Номер записи: 11
23-05-2023 дата публикации

Railway 5G private network MCX trunking communication service roaming method

Номер: CN116156475A
Автор: GUO QIANGLIANG, LI HUI, YAN XIAOYU, LI CHUNDUO, FU WENGANG, WANG KAIFENG, LIN WEI, JIANG ZHIYONG, ZHANG XINDAN, WANG CHENG, WANG FANG, SHI BO, DONG GENCAI, JIANG YUN, BAI XIAONAN, WANG YAO, CUI MINGXING, LI DE, LIU YUN, WANG YUFEI, LI ANNING
Принадлежит:

The invention discloses a railway 5G private network MCX trunking communication service roaming method, which solves the problem that the existing roaming service processing scheme is not suitable for railway 5G private network MCX broadband trunking communication services, and enables a user terminal to accurately judge that cross-office roaming occurs through cross-office roaming perception. By registering the roaming bureau MCX system and performing the service roaming processing of the user terminal through the roaming bureau MCX system, the trunking communication service time delay of the roaming terminal is reduced, the railway operation and maintenance requirements are met, and the command and communication efficiency is improved.

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Номер записи: 12
16-05-2023 дата публикации

All-weather wind-light-coke complementary stable hydrogen production and liquefaction co-production device and working method thereof

Номер: CN116123817A
Автор: JIANG QINGFENG, TAO XIANGKUN, LI HUAIBING, FENG HANSHENG, WEI QIANG, GU JIAYANG, JIANG ZHIYONG, JIAO CHEN
Принадлежит:

The invention discloses an all-weather wind-light-coke complementary stable hydrogen production and liquefaction co-production device and a working method thereof. The device comprises a coke oven gas hydrogen production system, a water electrolysis hydrogen production system and a hydrogen liquefaction system. According to the working method, three working modes, namely a coke oven gas hydrogen production coupling hydrogen liquefaction mode, a water electrolysis hydrogen production system coupling hydrogen liquefaction mode and a coke oven gas and water electrolysis hydrogen production coupling hydrogen liquefaction mode, are set for stably generating the liquid hydrogen product all day long. The coke oven gas hydrogen production system is used for carrying out pretreatment, desulfurization and pressure swing adsorption procedures on coke oven gas, the water electrolysis hydrogen production system is used for carrying out water electrolysis hydrogen production by utilizing direct current ...

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Номер записи: 13
22-06-2016 дата публикации

But foldable moon pool retaining device of switching

Номер: CN0205327356U
Автор: CHEN YU, GU JIAYANG, JIANG ZHIYONG, YAO ZHENQIU, HUANG XIANGHONG
Принадлежит:

... 本实用新型公开了一种可开闭折叠式月池挡板装置，包括主动挡板、从动挡板和驱动装置，所述主动挡板一端铰接在曲柄上，另一端与从动挡板一端铰接，所述主动挡板靠近曲柄的一端与驱动装置铰接，驱动装置和曲柄固定在结构物上，在结构物上设有导轨，在从动挡板上设有沿导轨运动的导轮；当驱动装置驱动主动挡板绕曲柄转动时，从动挡板的导轮沿导轨运动。本实用新型的可开闭折叠式月池挡板装置，结构巧妙，能够有效抑制月池内波浪爬升方和波浪垂直方向振荡，减小波浪对月池内部结构的影响，缓解海水对平台冲击，保证平台在各种工况下正常稳定工作的装置。 ...

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Номер записи: 14
04-04-2023 дата публикации

Shallow water seating tubular column

Номер: CN115898276A
Автор: MI LIJUN, WANG BIN, WANG MINGCHUN, FAN BAITAO, QIU HAO, WEI JIANFEI, WEN MIN, JIANG ZHIYONG, ZHANG HUIZENG
Принадлежит:

The invention relates to a shallow water seating pipe column which comprises a ground testing tree, a blowout prevention short section, a quick connector, a gate valve, a plurality of oil pipes, a shearing blowout prevention valve and an oil pipe hanger feeding tool. The bottom of the ground test tree is detachably connected with the blowout prevention short section, the bottom end of the blowout prevention short section is detachably connected with the quick connector in an inserted mode, the bottom end of the quick connector is detachably connected with the gate valve, the bottom end of the gate valve is detachably connected with one oil pipe, and the other oil pipe is detachably connected with the other oil pipe. The multiple oil pipes are detachably connected, the bottom ends of the oil pipes are detachably connected with the top end of the shearing blowout prevention valve, and the bottom end of the shearing blowout prevention valve is detachably connected with the oil pipe hanger ...

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Номер записи: 15
23-06-2023 дата публикации

Vehicle-mounted multi-band combined antenna and vehicle-mounted communication system

Номер: CN116315582A
Автор: DOU YAXI, KO SANG-YONG, JIANG ZHIYONG, BAO JUNSONG, LIU CHANG, JIANG YUN, WANG KAIFENG, OUYANG ZHIHUI, FU WENGANG, WANG WEI, BAI XIAONAN, LIU YUN, WANG YUFEI, LIANG YIQUN, SHI BO, WEI JUN, WANG YAO, LI ZHENG, WANG CHENG, ZHANG XINDAN, MENG ZHAO
Принадлежит:

The invention discloses a vehicle-mounted multi-band combined antenna and a vehicle-mounted communication system, and belongs to the field of vehicle-mounted communication. The antenna comprises a GSM-R narrow-band oscillator, a 5G-R narrow-band oscillator, a GNSS satellite positioning module and an ultra-wideband mobile public network communication oscillator which are fixedly arranged on a base at intervals from front to back; the passive director oscillator is fixedly arranged on the base and located in front of the GSM-R narrow-band oscillator; the GSM-R narrow-band oscillator, the 5G-R narrow-band oscillator, the GNSS satellite positioning module and the ultra-wideband mobile public network communication oscillator are electrically connected with corresponding communication input terminals of the bunched cable respectively, and the other end of the bunched cable is provided with a GSM-R communication port, a 5G-R communication port, a satellite positioning port and a mobile public ...

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Номер записи: 16
07-07-2023 дата публикации

Function addressing grading processing and function number rapid maintenance method

Номер: CN116405927A
Автор: GUO QIANGLIANG, LIN WEI, LI CHUNDUO, ZHANG XINDAN, JIANG ZHIYONG, YAN XIAOYU, FU WENGANG, WANG KAIFENG, WANG CHENG, WANG FANG, SHI BO, LI XU, LIU XIAO, MA JUN, ZHOU RUIWEN, LIU YANXIN, LI ZHENG, HAO YANG, MENG ZHAO, LUO YUHAO, XUE ZHU
Принадлежит:

The invention discloses a function addressing grading processing and function number rapid maintenance method, which can effectively reduce the participation degree of all-path shared intelligent network equipment and avoid the problem that function addressing cannot be realized when the all-path shared intelligent network equipment fails through a function addressing service grading processing method. Through the function number rapid maintenance method, timely and effective maintenance of the user and the function number thereof can be realized, and influence on use of other users when the user terminal does not log out the function number abnormally is avoided; the storage and recording of function number data at a road bureau level can be realized through a function number registration, query, logout and cross-bureau function number grading maintenance and management method; generally speaking, the invention not only is favorable for reducing the influence of the common equipment fault ...

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Номер записи: 17
08-08-2023 дата публикации

Track lamp assembly and track lighting device

Номер: CN116567898A
Автор: PENG QING, JIANG JINBIAO, ZOU WEIHONG, JIANG ZHIYONG
Принадлежит:

The invention discloses a track lamp assembly and a track lighting device, and belongs to the technical field of electronics and electrics. The track lamp assembly comprises a data transmitting circuit which is configured to provide a positive power supply voltage signal to a data receiving and transmitting end after current limiting when the voltage at a signal output end is at a first level, and provide a voltage signal of which the voltage is at a second level to the data receiving and transmitting end when the voltage at the signal output end is at the second level; the data receiving circuit is configured to set the voltage at the signal input end to be the same level as the voltage at the data receiving and transmitting end; and a control circuit configured to provide a data signal whose voltage is switched between a first level and a second level to the signal output terminal in a data transmission period, and receive the data signal transmitted on the data transmission line by determining ...

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Номер записи: 18
23-06-2023 дата публикации

Screw locking device and equipment

Номер: CN116276012A
Автор: HU JIANGTAO, WANG CHUNLEI, JIANG ZHIYONG, SUN YIZHUANG
Принадлежит:

The invention relates to the technical field of mechanical workpieces, and discloses a screw locking device and equipment. The device comprises a positioning device and an electric screwdriver blade; the positioning device comprises a clamping assembly, a fixing sleeve, a piston cylinder, an air cylinder, a piston body and a spring. The fixed sleeve, the piston cylinder, the air cylinder and the piston are all of hollow structures and communicate with one another to form a cavity. The side wall of the air cylinder is provided with a vacuum pump connector communicated with the cavity. The second matching end of the piston body is connected with the clamping assembly in a matched mode, and the piston body can move in the first direction relative to the clamping assembly so that opening and closing of the clamping assembly can be achieved. According to the arrangement mode, under the condition that the production requirement is guaranteed and the labor intensity is reduced, locking of the ...

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Номер записи: 19
27-06-2023 дата публикации

Ultra-wideband high-isolation 5G vehicle-mounted antenna and communication system

Номер: CN116345149A
Автор: JIANG ZHIYONG, CHEN SONG, YANG JUFENG, ZHOU HONGBING, WANG HONGLAI, LI YUEMING, TANG MAOSHUN, LIN WEI, DOU YAXI, WANG ZUYUAN, WANG FANG, ZHANG ZHE, LI YI, WANG YANG, YAN XIAOYU, ZHANG YUJIN, SUN BAOGANG, ZHU YUANZHENG, ZHOU XIAOZHI, HAN CE, LI DE, LI ANNING, KO SANG-YONG
Принадлежит:

The invention discloses an ultra-wideband high-isolation 5G vehicle-mounted antenna and a communication system, and the vehicle-mounted antenna comprises a bottom plate, and a first frequency band antenna, a second frequency band antenna and a third frequency band antenna which are sequentially and fixedly arranged on the bottom plate from front to back at intervals. One section of the bottom of the first frequency band antenna is sleeved with a first carbon fiber isolation rod; one section of the bottom of the second frequency band antenna is sleeved with a second carbon fiber isolation rod; and the third frequency band antenna adopts a vertical flat structure ultra-wideband antenna of which the arc-shaped flat end faces the front end of the bottom plate. According to the vehicle-mounted antenna, on the premise that the performance of the antenna is guaranteed, the isolation degree among multiple antennas is increased, and the windward area of the antenna is reduced.

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Номер записи: 20
18-07-2023 дата публикации

Product flatness detection device

Номер: CN116448021A
Автор: YANG TIANHAO, JIANG ZHIYONG
Принадлежит:

A product flatness detection device disclosed by the present invention comprises a bottom plate, the bottom plate is provided with a product positioning assembly and a product pressing mechanism, the bottom plate is provided with a first detection mechanism, a second detection mechanism and a display device, the first detection mechanism and the second detection mechanism each comprise a detector, and each detector comprises a cylinder body, a cylinder top column and a spring. The display device comprises a back plate which is vertically arranged, a graduated scale is arranged on the back plate, transparent pipes which are in one-to-one correspondence with the detectors are sequentially arranged on the back plate, the upper ends of the transparent pipes are communicated with the atmosphere, the lower ends of the transparent pipes are communicated with a rodless cavity of the cylinder body through adapters, and the rodless cavity of the cylinder body is filled with liquid. The multi-surface ...

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Номер записи: 21
06-06-2023 дата публикации

Database access method and device

Номер: CN116226900A
Автор: LI YANG, JIANG ZHIYONG
Принадлежит:

The embodiment of the invention provides a database access method and device. The method comprises the following steps: receiving a first access request for a database sent by a target application, wherein the first access request comprises a plaintext parameter value; replacing the plaintext parameter value in the first access request with a parameter placeholder to obtain a second access request; sending the second access request to a database server; receiving a response message returned by the database server, wherein the response message comprises information used for indicating a first encryption and decryption algorithm corresponding to the plaintext parameter value; encrypting the plaintext parameter value based on a first encryption and decryption algorithm to obtain a ciphertext parameter value; and sending the ciphertext parameter value to a database server for accessing a database.

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Номер записи: 22
25-04-2023 дата публикации

Group region setting method based on NR framework

Номер: CN116017286A
Автор: LIN WEI, GUO QIANGLIANG, JIANG BO, WANG WEI, WANG FANG, ZHANG XIUGUANG, LI HUI, JIANG ZHIYONG, LI YI, LI CHUNDUO, LIANG YIQUN, FU WENGANG, KO SANG-YONG, YANG JUFENG, JIANG YUN, LI YUEMING, DONG GENCAI, LI XU, BAI XIAONAN, SUN BAOGANG, WANG YAO, YU JIN, ZHOU RUIWEN, XUE ZHU, ZHOU XIAOZHI, TANG MAOSHUN
Принадлежит:

The invention discloses a group region setting method based on an NR framework, the setting of a group region is realized based on the NR framework, a cluster application is separated from the NR framework, and the framework is more reasonable; the group area can adopt a dynamic and static combination setting method, wireless resources are distributed more reasonably, the effect of optimizing the scheduling area is achieved, the capacity of users is expanded, the utilization rate of system resources is improved, the mobility requirement of cluster users is met, the cluster users are not limited by fixed areas any more, and the service requirements of part of the cluster users are met.

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Номер записи: 23
02-05-2023 дата публикации

Method for recovering ethanol in sulbactam sodium production

Номер: CN116041147A
Автор: YE QIUJIANG, CHEN YONGSHENG, JIANG ZHIYONG, XIA LING, LUO YUANSHUAI
Принадлежит:

The invention relates to a method for recovering ethanol in sulbactam sodium production. The method comprises the following steps: (1) adjusting the pH value of the sulbactam sodium mother liquor to 5-7 by using alkali, selectively adding sodium acetate into the sulbactam sodium mother liquor, and controlling the content of the sodium acetate to be not less than 4%; and (2) feeding the mixed solution obtained in the step (1) into a rectifying tower for rectification, obtaining an azeotrope containing water and ethanol at the tower top of the rectifying tower, enabling one part of the azeotrope containing water and ethanol to flow back, enabling the other part of the azeotrope containing water and ethanol to enter a steam permeable membrane assembly for dehydration, and obtaining ethanol at the interception side of the steam permeable membrane assembly. By adopting the rectification-pervaporation coupling technology, the steps of ethanol recovery are reduced, the process is simpler, and ...

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Номер записи: 24
04-07-2023 дата публикации

Distributed closed pump control system and control method thereof

Номер: CN116379025A
Автор: DING RUQI, WANG WEI, ZHAO YANG, JIANG HANQI, GUO YAN, DONG KE, XU JIWANG, JIANG ZHIYONG
Принадлежит:

The invention discloses a distributed closed type pump control system and a control method thereof.The distributed closed type pump control system comprises a bucket rod closed type pump control module, a movable arm closed type pump control module, a pressurization oil tank, a filtering mechanism and a cooling mechanism, and one end of the filtering mechanism communicates with an inlet of the cooling mechanism; an outlet of the cooling mechanism is communicated with an inlet of the pressurizing oil tank, the bucket rod closed type pump control module and the movable arm closed type pump control module are both communicated with the other end of the filtering mechanism, and the bucket rod closed type pump control module and the movable arm closed type pump control module are both communicated with an outlet of the pressurizing oil tank. By improving the loop, the bucket rod closed type pump control module and the movable arm closed type pump control module can share one pressurizing oil ...

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Номер записи: 25
28-07-2023 дата публикации

Air conditioner and defrosting control method and device thereof

Номер: CN116499076A
Автор: YUAN QIAN, CHEN WEI, GUO XIAOYING, YAN JINGXU, WANG CHENG, YAO JINDUO, JIANG ZHIYONG, ZHU NINGKAI, SUN YONGGUANG
Принадлежит:

The invention provides an air conditioner and a defrosting control method and device thereof, and the defrosting control method comprises the following steps: when the air conditioner enters a defrosting mode, the operation frequency of a compressor is reduced to a first operation frequency; calculating P1 = PH1-PL1 every first phase difference time; according to the relation between a first difference value P1 after the first phase difference time and a first target difference value, the four-way valve is controlled to reverse, and a refrigerating and defrosting mode is started; the operation frequency of the compressor is reduced to second operation frequency; p2 = PH2-PL2 is calculated every second phase difference time; and according to the relation between a second difference value P2 after the second phase difference time and a second target difference value, the four-way valve is controlled to reverse, and a heating mode is started. The problems that according to the technical scheme ...

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Номер записи: 26