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 22. Отображено 22.
01-12-2016 дата публикации

METHOD FOR SORTING MINERALS

Номер: WO2016187858A1
Автор: ZHANG, Baoxiang
Принадлежит:

A method for sorting minerals, comprising: feed mineral aggregate and water into an inner cavity of a transversely arranged primary sorting barrel, a central axis of the primary sorting barrel being arranged along a transverse direction; drive the primary sorting barrel to rotate, and apply a magnetic field to the inner cavity of the sorting barrel at the same time; accurately sort ore pulp by means of a classifier; enable the selected minerals in the ore pulp to form magnetic aggregate and/or magnetic flux linkage in the processes of rising along with a barrel wall and dropping due to gravity under the actions of the magnetic field and the classifier; after the magnetic aggregate and/or magnetic flux linkage that are/is big enough are/is aggregated, the magnetic aggregate and/or magnetic flux linkage attach(es) to an inner wall of the primary sorting barrel and move(s) upwards all the way along with the rotation of the primary sorting barrel until reaching a blanking area located at the ...

Подробнее
Номер записи: 1
27-08-2021 дата публикации

Grain drying tower

Номер: CN214065541U
Автор: ZHANG BAOXIANG, 张宝祥
Принадлежит: HEILONGJIANG FENGYE DRYING TECH SERVICE CO LTD, HEILONGJIANG FENGYE DRYING TECHNOLOGY SERVICE CO., LTD., 黑龙江丰烨烘干科技服务有限公司

The utility model relates to the technical field of drying equipment, in particular to a grain drying tower which can automatically remove dust. Comprising a liftable rotary drying cylinder mechanism, a liftable exhaust cylinder mechanism and a grain collecting mechanism, the liftable rotary drying cylinder mechanism is connected to the liftable exhaust cylinder mechanism, the liftable exhaust cylinder mechanism is connected to the grain collecting mechanism, and the liftable rotary drying cylinder mechanism is connected to the grain collecting mechanism. The liftable rotary drying cylinder mechanism is located in the liftable exhaust cylinder mechanism, the liftable exhaust cylinder mechanism is located over the grain collecting mechanism, and the liftable rotary drying cylinder mechanism comprises a rotary motor, a hanging bracket, a clamping block, a drying cylinder, a cleaning brush, a grain outlet valve, a lifting beam, a fixing frame, a friction wheel motor and a friction wheel. The ...

Подробнее
Номер записи: 2
01-12-2016 дата публикации

CLASSIFIER FOR CONCENTRATING MACHINE

Номер: WO2016187859A1
Автор: ZHANG, Baoxiang
Принадлежит:

A classifier (280, 380) for a concentrating machine. The classifier is arranged in a sorting chamber (215) of a separation barrel (210), having a transversely arranged central axis, of the concentrating machine; the classifier extends along a direction parallel to the central axis of the separation barrel; the classifier is arranged close to a barrel wall of the separation barrel, and a gap, through which mineral aggregate can pass, is formed between the classifier and an inner wall of the separation barrel; and the classifier and a magnetic field generation device (220) arranged along the circumference of the separation barrel correspond to each other and interact with each other.

Подробнее
Номер записи: 3
23-06-2023 дата публикации

Titanium alloy orthodontic self-ligating bracket and manufacturing method thereof

Номер: CN116269860A
Автор: DONG XIANFENG, SUN TI, ZHANG BAOXIANG, JIANG YINGQI, CHEN YONGDA, WANG ZHENQIANG, LIAO ZAN, LI JUNTAO
Принадлежит:

The invention discloses a titanium alloy orthodontic self-ligating bracket and a manufacturing method thereof, and relates to the technical field of orthodontics, the titanium alloy orthodontic self-ligating bracket comprises a bracket body and a sliding locking plate, one side of the bracket body is provided with an arch wire groove, the other side of the bracket body is provided with a bonding bottom plate, and the bonding bottom plate is provided with a clamping groove; a sliding groove for the sliding locking plate to slide is formed in one side, close to the notch of the arch wire groove, of the bracket body. Elastic pieces are arranged on the two sides of the sliding locking plate; locking structures are arranged on the side walls, positioned at the two ends of the sliding groove, of the bracket body. The manufacturing method of the titanium alloy orthodontic self-ligating bracket comprises the following steps: S1, respectively processing the bracket body, the sliding locking plate ...

Подробнее
Номер записи: 4
01-12-2016 дата публикации

MATERIAL SORTING METHOD

Номер: WO2016187864A1
Автор: ZHANG, Baoxiang
Принадлежит:

Disclosed is a material sorting method. The method comprises the following steps: feed a mixed material to be sorted into an inner cavity (215) of a sorting barrel (210), a central axis of the sorting barrel (210) being transversely arranged; drive the sorting barrel (210) to rotate around its own central axis, and apply a magnetic field to the inner cavity (215) of the sorting barrel (210) along a circumferential direction of the sorting barrel (210) at the same time, so as to enable selected materials in the mixed material to attach to a barrel wall of the sorting barrel and move upwards along with the barrel wall until leaving away from the mixed material; and an unloading device (270) enables the selected materials to leave away from the barrel wall of the sorting barrel (210), fall into a material receiving device (250) and leave away from the sorting barrel through a first outlet.

Подробнее
Номер записи: 5
01-12-2016 дата публикации

MINERAL CONCENTRATING MACHINE

Номер: WO2016187863A1
Автор: ZHANG, Baoxiang
Принадлежит:

Disclosed is a mineral concentrating machine (200), comprising: a separation barrel (210), the sorting barrel (210) being an internal hollow roller, a central axis of the roller being transversely arranged, and a sorting chamber (215), through which raw ore pulp can pass, being arranged in the roller; a magnetic field generation device (220), the magnetic field generation device (220) being arranged along the circumference of the separation barrel (210) so as to generate a magnetic field around the sorting chamber (215); a rack (230), configured to support the separation barrel; a driving device (240), configured to drive the separation barrel (210) to rotate around its own central axis; and a blanking mechanism (270), a feeding mechanism (250) and a discharge mechanism (260), wherein the discharge mechanism (260) comprises a first discharge hole (261) configured to convey selected minerals, and a second discharge hole (262) configured to convey remaining materials, the blanking mechanism ...

Подробнее
Номер записи: 6
11-02-2004 дата публикации

燃煤锅炉无烟囱洁净排放系统

Номер: CN0001137754C
Автор: ZHANG BAOXIANG, JIN XIANRONG, XIA RUNFANG, BAOXIANG ZHANG, XIANRONG JIN, RUNFANG XIA, 张宝祥
Принадлежит:

... 燃煤锅炉无烟囱洁净排放系统，属于一种燃煤锅炉烟气净化系统。包括锅炉和净化系统。净化系统包括湿式除尘脱硫器、脱硫除尘塔，锅炉的出烟口通过管路与湿式除尘脱硫器的进气口连接，湿式除尘脱硫器的上端出烟口通过输气管、引风机的进气口连接。脱硫除尘塔设置在湿式除尘脱硫器的一侧，引风机的出风口通过管路与脱硫除尘塔的进气口连接。在脱硫除尘塔的一侧设置有碱水池和喷碱泵，喷碱泵的出液口通过管路与脱硫除尘塔的碱水入口连接，喷碱泵的进液口连接一进液管，进液管的另一端插入碱水池的设定深度。本发明由于去掉烟囱，又能达到燃气锅炉排放国标，有利于美化净化城市，实现所有城市只有高楼，没有烟囱。 ...

Подробнее
Номер записи: 7
09-06-2023 дата публикации

Water circulation negative pressure suction type inner chip removal drill bit special for anterior cruciate ligament reconstruction

Номер: CN116236253A
Автор: ZHANG QIANG, ZHANG FEI, SONG SHOULONG, SHENG XIANHAO, ZHANG BAOXIANG, XIONG WENTAO, WANG XIAOLIN, LIAO WEIXIONG, LI JI, ZOU LIN, XU LIN, WANG JIAXIN, YANG JINYUAN, LAI SHENGWEI, WANG ZIRAN
Принадлежит:

The invention discloses a water circulation negative pressure suction type inner chip removal drill bit special for anterior cruciate ligament reconstruction, belongs to the technical field of orthopedic sports medical surgical instruments, and aims to prevent crushed bone chips from entering articular cavities so as to reduce osteoarthritis after anterior cruciate ligament reconstruction. A plurality of blades are arranged on the surface of the drill bit body, a needle guide hole is formed in the center of the drill bit body, a water inlet cavity is formed in the drill bit body and extends in the length direction of the drill bit body, and a chip removal cavity is formed in the drill bit body and extends in the length direction of the drill bit body. A water inlet communicated with the water inlet cavity and a water outlet communicated with the chip removal cavity are formed in the outer wall of the drill bit body, the water outlet is communicated with a negative pressure suction mechanism ...

Подробнее
Номер записи: 8
01-12-2016 дата публикации

TAILINGS RESOURCE RECOVERY TECHNOLOGY

Номер: WO2016187862A1
Автор: ZHANG, Baoxiang
Принадлежит:

A tailings recovery technology, comprising: feed ore pulp into a concentration barrel of a concentrating machine; drive the concentration barrel to rotate around its own central axis while the ore pulp flows so as to enable the ore pulp to be continuously stirred and turn over in an inner cavity of the concentration barrel; apply a magnetic field to the ore pulp by means of a magnetic field generation device; accurately sort the ore pulp by means of a classifier so as to enable selected minerals in the ore pulp to be under the action of the magnetic field in processes of rising and dropping, thus attaching to an inner wall of the concentration barrel and moving upwards until reaching a blanking area; the selected minerals fall into a material receiving trough of the concentrating machine in the blanking area; and except the selected minerals, other materials in the ore pulp enter a tailings trough of the concentrating machine from the bottom of the inner cavity of the concentration barrel ...

Подробнее
Номер записи: 9
01-12-2016 дата публикации

SEPARATION BARREL FOR MINERAL SEPARATION

Номер: WO2016187861A1
Автор: ZHANG, Baoxiang
Принадлежит:

Disclosed is a separation barrel (210) for mineral separation. A central axis of the separation barrel (210) is transversely arranged, and a sorting chamber (215), through which minerals to be separated can pass, is arranged in the separation barrel (210); the separation barrel (210) is supported on a rack (230) and can rotate around its own central axis; a magnetic field generation device (220) is arranged on the circumference of the separation barrel (210); the magnetic field generation device comprises a plurality of pairs of magnetic plates; and the magnetic plates are arranged around the circumference of the separation barrel and are fixed on the separation barrel.

Подробнее
Номер записи: 10
27-06-2023 дата публикации

Industrial production abnormal behavior situation detection method and system

Номер: CN116343359A
Автор: LIU XIANGYING, ZHANG BAOXIANG, ZHANG HAITAO, LI ZHIQIANG, ZHANG XIANG, ZHANG RUIBO, WANG HAITAO, LI ZHENBAO, SU BAOSHENG, DONG ZHIQIANG, YAO SHUANGLI, DONG JUNBO, LI HONGYING, WANG HONGXIA, TANG ZHUWEI, JIANG MINGHAN, ZHANG QIANG, WU JIE, WANG BIN, HAN HUIYU
Принадлежит:

The invention provides an industrial production abnormal behavior situation detection method and system, and the method comprises the steps: obtaining the industrial production information of a target factory, constructing an equipment abnormal behavior situation feature set based on big data and the industrial production information, collecting the image of a production product through an image collection device, obtaining an image collection result, and carrying out the detection of the abnormal behavior situation. The method comprises the following steps: acquiring an image acquired by a data acquisition device, performing product quality identification on an image acquisition result, generating a quality identification result, performing equipment operation data acquisition on the data interaction device, obtaining an equipment operation data set, performing data matching on the equipment operation data according to an equipment abnormal behavior situation feature set, and obtaining ...

Подробнее
Номер записи: 11
01-12-2016 дата публикации

ANHYDROUS TYPE MINERAL SORTING APPARATUS

Номер: WO2016187860A1
Автор: ZHANG, Baoxiang
Принадлежит:

Disclosed is an anhydrous type mineral sorting apparatus (200), comprising: a separation barrel (210), the sorting barrel being an internal hollow roller, a central axis of the roller being transversely arranged, and a sorting chamber (215), through which raw ore materials can pass, being arranged in the roller; a magnetic field generation device (220), the magnetic field generation device (220) being arranged along the circumference of the separation barrel (210) so as to generate a magnetic field around the sorting chamber (215); a rack (230), configured to support the separation barrel; a driving device (240), the driving device (240) being configured to drive the separation barrel (210) to rotate around its own central axis; and a blanking mechanism (270), a feeding mechanism (250) and a discharge mechanism (260), wherein the discharge mechanism (260) comprises a first discharge hole (261) configured to convey selected minerals, and a second discharge hole (262) configured to convey ...

Подробнее
Номер записи: 12
23-06-2023 дата публикации

Orthodontic bracket

Номер: CN116269861A
Автор: CUI XU, LIAO ZAN, DONG XIANFENG, YU XUEBAO, KE JING, JIANG YINGQI, ZHANG BAOXIANG, LI JUNTAO
Принадлежит:

The invention relates to the technical field of orthodontics, in particular to an orthodontic bracket which comprises a main body and a bottom plate, a rotary table is arranged between the bottom plate and the main body, the rotary table is rotatably connected with the main body, and a connecting assembly used for enabling the rotary table to be detachably connected with the main body is arranged between the rotary table and the main body. The bracket has the effect that the bracket main body can be replaced.

Подробнее
Номер записи: 13
21-07-2023 дата публикации

Novel shoulder joint postoperative functional rehabilitation oversleeve

Номер: CN116459060A
Автор: ZHANG QIANG, SHENG XIANHAO, SONG SHOULONG, ZHANG BAOXIANG, XIONG WENTAO, WANG XIAOLIN, LIAO WEIXIONG, LI JI, ZOU LIN, WANG JIAXIN, LAI SHENGWEI, YANG JINYUAN, SU ZHIHUI
Принадлежит:

The invention discloses a novel shoulder joint postoperative functional rehabilitation oversleeve, belongs to the technical field of orthopedic sports medical surgical instruments, and aims to provide the novel shoulder joint postoperative functional rehabilitation oversleeve to solve the problems that a patient feels uncomfortable and wearing is difficult due to the fact that an existing triangular towel is used for fixing. The oversleeve comprises an oversleeve body, the oversleeve body comprises a strap, the strap is connected with a shoulder strap, the side edge of the shoulder strap is connected with a sleeve strap, the strap, the shoulder strap and the sleeve strap are filled with air bags, and the air bags are communicated with air ports. And self-adhesive magic tapes are arranged at the connecting parts at the two ends of the strap. Fabric layers are arranged on the sides, close to the skin of the human body, of the straps, the shoulder straps and the sleeve straps. The invention ...

Подробнее
Номер записи: 14
27-06-2023 дата публикации

Preparation method of beta-type titanium alloy dental arch wire

Номер: CN116329306A
Автор: PANG BAOLIN, WANG ZHENQIANG, ZHANG BAOXIANG, WANG JIANGBO, LIU KUO, LIANG HONGWEI, LIAO ZAN, LI JUNTAO
Принадлежит:

The invention discloses a preparation method of a beta-type titanium alloy dental arch wire, and relates to the technical field of dental arch wires, the preparation method comprises the following steps: S1, carrying out hot drawing treatment on a beta-type titanium alloy wire rod to obtain a thick wire blank; s2, the thick wire blank in the S1 is subjected to annealing treatment; s3, cold deformation drawing is conducted on the thick wire blank obtained after annealing treatment in the S2; s2 and S3 are repeated, and a medium wire blank is obtained; s4, the middle wire blank is polished; s5, the polished medium wire blank is subjected to annealing treatment; s6, multi-pass large-deformation cold deformation drawing is conducted on the medium wire blank obtained after annealing treatment in the S5, and a thin wire blank is obtained; and S7, after polishing, square wire rolling, arch winding and shaping are conducted on the thin wire blank obtained in the S6, cutting and acid pickling are ...

Подробнее
Номер записи: 15
25-04-2023 дата публикации

Flue gas treatment device

Номер: CN115999353A
Автор: ZHANG BAOXIANG
Принадлежит:

The invention discloses a flue gas treatment device. The flue gas treatment device comprises a reaction tower, a bag type dust collector, an induced draft fan and a smoke exhaust pipe, the reaction tower comprises a reaction tower body and a deposition chamber which are communicated with each other; the deposition chamber comprises a fixed part and a rotating part, a first opening is formed above the fixed part and is communicated with the reaction tower body, a second opening is formed in the side surface of the fixed part, the rotating part is arranged on the second opening, a rotating module is connected below the rotating part, and the rotating module can drive the rotating part to rotate and control the opening and closing of the second opening. In the flue gas treatment device, a reaction tower adopts a split type design, and a rotating part is driven to rotate through a rotating module, so that a deposition chamber has two stations, one station is a collection station for blocking ...

Подробнее
Номер записи: 16
23-06-2023 дата публикации

Shoulder arthroscopy surgery lateral position traction frame capable of being remotely adjusted

Номер: CN116269835A
Автор: ZHANG QIANG, ZHANG FEI, SONG SHOULONG, SHENG XIANHAO, ZHANG BAOXIANG, XIONG WENTAO, WANG XIAOLIN, LIAO WEIXIONG, LI JI, ZOU LIN, WANG JIAXIN, YANG JINYUAN, WANG ZIRAN, LAI SHENGWEI
Принадлежит:

The invention discloses a shoulder arthroscopy surgery lateral position traction frame capable of being remotely adjusted, belongs to the technical field of orthopedic sports medicine surgical instruments, and aims to solve the problems that an operator cannot adjust the traction angle and traction force in the surgery process through an existing traction frame, and the traction force adjustment is not accurate enough. The main structure comprises a base, a support, a traction rod and a traction arm. A rotating mechanism is installed in the base, and the driving end of the rotating mechanism is connected with the rotating base. The traction arm is located at the upper end and comprises a first supporting rod and a second supporting rod. A support is installed at the end, close to the patient, of the upper surface of the rotating seat, the top of the support is hinged to the first supporting rod, a traction rod is installed at the end, away from the patient, of the rotating seat and comprises ...

Подробнее
Номер записи: 17
09-04-2021 дата публикации

Metal wire fatigue performance testing device

Номер: CN212931866U
Автор: LIANG SIYUAN, YANG YANG, LI JUNTAO, LIAO ZAN, ZHANG BAOXIANG, WANG JIANGBO, CHEN GUI, YUAN ZHISHAN, WANG ZHENQIANG, ZHANG WEIPENG, 梁思远, 杨阳, 李君涛, 廖赞, 张宝祥, 王江波, 陈桂, 袁志山, 王振强, 张炜鹏
Принадлежит: GRIKIN MEDICAL DEVICE BEIJING CO LTD, GRIKIN MEDICAL DEVICE (BEIJING) CO., LTD., 有研医疗器械（北京）有限公司

The utility model discloses a metal wire fatigue performance testing device, and belongs to the technical field of material performance testing. The testing device mainly comprises a main shaft, a base, a motor, a transmission shaft, a fatigue testing machine main body, two planet wheel wire clamping shafts, a sensor, a wire, a display and a fixing clamp, wherein the fatigue testing machine main body is fixed on the main shaft through the fixing clamp, the distance between the wire clamping shafts on the left side and the right side can be adjusted according to different experiment requirements, the same motor provides power for the two clamping shafts, synchronous reverse rotation motion is realized under the driving of the motor, the wire for experiment rotates in a bending state, and a fatigue test is carried out; when the wire material is broken, the sensor sends a test stop instruction, the motor stops running, and the two planet wheel wire material clamping shafts stop rotating; and ...

Подробнее
Номер записи: 18
01-08-2023 дата публикации

Novel shoulder joint postoperative lateral position throw pillow

Номер: CN116509615A
Автор: ZHANG QIANG, SONG SHOULONG, ZHANG FEI, SHENG XIANHAO, ZHANG BAOXIANG, XIONG WENTAO, WANG XIAOLIN, LIAO WEIXIONG, LI JI, ZOU LIN, WANG JIAXIN, LAI SHENGWEI, YANG JINYUAN, WANG ZIRAN
Принадлежит:

The invention discloses a novel shoulder joint postoperative side-lying position throw pillow, belongs to the technical field of orthopedic sports medical surgical instruments, and aims to provide the novel shoulder joint postoperative side-lying position throw pillow to solve the problems that an existing forearm sling is poor in fixing stability and low in patient comfort. The health care pillow inner comprises an upper arch-shaped pillow inner body, the outer surface of the upper arch-shaped pillow inner body is coated with a pillow inner sleeve, the upper arch-shaped pillow inner body comprises a U-shaped protruding part, a functional part and an L-shaped bent part which are sequentially connected, the functional part is provided with a heating sleeve hole and a massage sleeve hole which are used for containing the forearm, the heating sleeve hole is located in the side close to the L-shaped bent part, and the massage sleeve hole is located in the side close to the L-shaped bent part ...

Подробнее
Номер записи: 19
27-08-2021 дата публикации

Tail air processor for grain drying

Номер: CN214065579U
Автор: ZHANG BAOXIANG, 张宝祥
Принадлежит: HEILONGJIANG FENGYE DRYING TECH SERVICE CO LTD, HEILONGJIANG FENGYE DRYING TECHNOLOGY SERVICE CO., LTD., 黑龙江丰烨烘干科技服务有限公司

The utility model relates to grain processing, in particular to a grain drying tail wind processor which comprises a blower device, a grain loading system, a heat preservation tail wind processing system and a connecting frame, the grain loading system can shake left and right and up and down, impurities in grains can be filtered out, and meanwhile drying is more uniform. The blower device comprises a first hydraulic cylinder, a connecting block, a first motor, blades I, an electric heating plate, a cam and a first output shaft, the upper end of the first hydraulic cylinder is fixedly connected to the lower side of the connecting block, and the first motor is fixedly connected to the right side of the connecting block; the first output shaft is fixedly connected to the right side of the first motor, the blade I is fixed to the first output shaft, the electric heating plate is fixed to the first output shaft, and the cam is fixed to the right end of the first output shaft.

Подробнее
Номер записи: 20
08-09-2017 дата публикации

Method for disinfecting medical instrument by virtue of disinfection cabinet

Номер: CN0107137740A
Автор: HU CHUANHONG, ZHANG BAOXIANG
Принадлежит:

... 种利用消毒柜对医疗器械的消毒方法，包括将刚用过的医疗器械放入消毒柜中，用清水进行冲洗；清洗结束后利用消毒柜将2％碱性戊二醛溶液雾化，医疗器械置于雾化的碱性戊二醛中；向消毒柜内通入氮气、氧气和二氯乙烯混合气体；向消毒柜内通入氢气和氧气；在臭氧氛围下烘烤步骤。雾化的戊二醛蒸汽促使细胞内发生化学变化，破坏细胞蛋白质来杀死微生物；氮气、氧气结合二氯乙烯清除医疗器械外壁上的病毒和金属离子；本发明提供的消毒方法均在消毒柜中完成，可以通过预设程序次形性完成，操作简单，使用方便，自动化程度高。 ...

Подробнее
Номер записи: 21
09-05-2023 дата публикации

Trigger opening type self-ligating bracket

Номер: CN116077216A
Автор: YU XUEBAO, ZHANG BAOXIANG, JIANG YINGQI, SUN TI, DONG XIANFENG, LIAO ZAN, LI JUNTAO
Принадлежит:

The invention relates to a trigger opening type self-ligating bracket, and relates to the field of dental orthodontic instruments, the bracket comprises a main body, an arch wire groove is formed in the main body, the arch wire groove penetrates through the main body along the length direction of the main body, a locking plate capable of closing the arch wire groove is slidably connected to the main body along the width direction of the main body, and a bottom plate is connected to the lower part of the main body; an elastic piece is arranged between the body and the locking piece, one end, in the sliding direction of the locking piece, of the elastic piece is tilted to form a supporting arm, the side face, facing the elastic piece, of the locking piece is provided with a first locking face, a trigger hole is formed in the locking piece in the thickness direction of the locking piece in a penetrating mode, and when the locking piece slides to close the arch wire groove, the first locking ...

Подробнее
Номер записи: 22