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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 24. Отображено 24.
15-04-2009 дата публикации

Nano silicon oxide modified high polymer composite material and preparation technique thereof

Номер: CN0101407627A
Автор: GUO XIAOFENG, LI QINGSHAN, ZHAO MENG, PENG GUIRONG, QI HAIDONG, XIAO HAIWEN, WANG XIAOZHOU, LI BAIFENG, MA LIN, DU BAOXIAN, TANG HUI, WANG JIANWEI, LI ZHIHUI, MA PENGSHENG, XIE LEI, LI QINGSONG, ZHANG CHENGBO, XIAOFENG GUO, QINGSHAN LI, MENG ZHAO, GUIRONG PENG, HAIDONG QI, HAIWEN XIAO, XIAOZHOU WANG, BAIFENG LI, LIN MA, BAOXIAN DU, HUI TANG, JIANWEI WANG, ZHIHUI LI, PENGSHENG MA, LEI XIE, QINGSONG LI, CHENGBO ZHANG
Принадлежит:

The invention relates to a series superfine powder which adopts nano silicon oxide and can release negative ions. Anion series negative ion additive is prepared by a doping and mixing method, and is added into the high molecular materials of fibers of polyurethane, polyether, polystyrene, polyvinyl chloride, polyvinyl acetal, polypropylene, polyethylene and epoxide resin, plastics, rubber, paintings, bonding agents and the like, thus successfully producing modified high molecular material of nano silicon oxide with the function of releasing the negative ions. The nano silicon oxide and superfine powder which can release the negative ions in the composite material has good dispersion and does not have any technique defects in the processing process.

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Номер записи: 1
04-08-2010 дата публикации

Sewage treatment method

Номер: CN0101792236A
Автор: WEIMIN LI, JIE LIU, QIDONG WANG, TAO WANG, HAIWEN XIAO, LI WEIMIN, LIU JIE, WANG QIDONG, WANG TAO, XIAO HAIWEN
Принадлежит:

The invention relates to a sewage treatment method, in particular to a sewage treatment method which can solve the contradiction between denitrification as well as dephosphorization and sludge reduction. The method improves the operating way of the conventional A2/O technique, and a sludge reduction device is designed. As the improved A2/O technique and the sludge reduction device are adopted to operate in a combining way, a system can implement a dephosphorization way combining bypass chemical dephosphorization and biological dephosphorization, and the sludge reduction device can be used for reducing high-concentration sludge in a secondary sedimentation tank in a special operating way. The whole system has better sludge reduction effect and better denitrification and dephosphorization effect, and solves the contradiction between denitrification as well as dephosphorization and sludge reduction in the existing sludge reduction method.

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Номер записи: 2
27-06-2012 дата публикации

Improved dredging boat for large-diameter sewage pipe

Номер: CN0102094454B
Автор: ZHAI JUN, XIAO HAIWEN, HE QIANG, AI HAINAN, LI HUAFEI, QIN CHUAN, HAIWEN XIAO, QIANG HE, HAINAN AI, HUAFEI LI, CHUAN QIN
Принадлежит:

The invention relates to an improved dredging boat for a large-diameter sewage pipe. The improved dredging boat comprises a buoy body, an underwater agitating device arranged on the buoy body, and self-elongation adjustable mud scraping rake teeth, wherein, the buoy body is an integral buoy in a hydraulic streamline shape, and the lower part of the buoy body is indent; the underwater agitating device comprises at least one submersible agitator, and the submersible agitator is arranged in the indent space of the buoy body and obliquely downwards dives into water to form a certain included angle with a horizontal plane; and the self-elongation adjustable mud scraping rake teeth are formed by assembling at least three single rake teeth, rake teeth connecting steel plates and transverse rake teeth ribs, the single rake teeth are fixed below the front part of the buoy body through bolts by utilizing the rake teeth connecting steel plates, and the single rake teeth are connected with the rake ...

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Номер записи: 3
03-09-2014 дата публикации

Oil-water separation method and oil-water separation device

Номер: CN104016503A
Автор: WANG KUNPING, ZHAI JUN, XIAO HAIWEN, HE QIN, ZHANG KUN, JIANG JIAYUE, LI YUFEN, FU YIBEN
Принадлежит:

The invention discloses an oil-water separation method and an oil-water separation device. The device consists of a primary oil-water separation unit, an adsorption and desorption unit, an advanced oil-water separation unit and a drainage unit, wherein a breather pipe is arranged at the top end of the primary oil-water separation unit and communicated with the atmosphere, and a transverse communicating hole is formed in the upper part of a partition between the adjacent units; a coarse grid residue basket in the primary oil-water separation unit is communicated with a fine grid residue basket by virtue of a diversion opening, and both the coarse grid residue basket and the fine grid residue basket are turnover and removable; an oil discharge mechanism consisting of a floating ball accommodating cavity, a floating ball and a plugging cylinder is connected with an oil discharge pipe; an adsorption and desorption packing layer is arranged in the adsorption and desorption unit; the advanced ...

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Номер записи: 4
27-06-2012 дата публикации

Buoyant box type steady-flow water outlet device of sewage treatment regulating pond

Номер: CN0101811741B
Автор: HE QIANG, TANG CHUANDONG, XIAO HAIWEN, ZHAI JUN, QIANG HE, CHUANDONG TANG, HAIWEN XIAO
Принадлежит:

The invention relates to a buoyant box type steady-flow water outlet device of a sewage treatment regulating pond. The buoyant box type steady-flow water outlet device comprises a buoyant box, a water suction pipe, a pressure balancing pipe, a water delivery hose and the like. The buoyant box is formed by two isometric buoyant boxes which are connected with each other through a connecting piece. The water suction pipe is formed by a horn mouth and a straight pipe in a welding way and is provided with a movable fixing component. The pressure balancing pipe is a communicating pipe which stretches out of liquid surface. The water delivery hose is made of materials which can be freely bent. The two ends of the water delivery hose are provided with fixed connecting pieces. The water suction pipe is vertically connected with the buoyant box through the movable fixing component. The height of the water suction pipe can be adjusted according to water passing requirements and the caliber of the ...

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Номер записи: 5
14-04-2010 дата публикации

Dredging system of sewage pipeline with large-pipe diameter

Номер: CN0101693243A
Автор: Zhai Jun, He Qiang, Xiao Haiwen, Qin Chuan, Li Huafei, Wu Zhengsong
Принадлежит:

The invention relates to a dredging system of a sewage pipeline with large-pipe diameter and a method thereof. The dredging system comprises a small downhole dredger, an overground operation system, an air-charged rubber gate and an overground charging-discharging device. The small downhole dredger comprises a dredger body and an underwater stirring device arranged on the dredger body; the small downhole dredger is connected with a ground operation control system through a rope and a control line; when in operation, the underwater stirring device stirs up sludge at the bottom of a pipeline. Before small downhole dredger works, the air-charged rubber gate is placed in a downstream pipeline of a dredged pipe section and charged with air so as to lead water level in the dredged pipe section to rise up, thus facilitating the operation of the small downhole dredger. On the ground, an operation system is arranged so as to control the operation of the small downhole dredger in the pipeline. After ...

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Номер записи: 6
05-05-2010 дата публикации

Silt operation device of large-caliber sewage conduit desilting system

Номер: CN0101701471A
Автор: GUO DAJING, HAO JING, HE QIANG, LIU HONGXIA, XIAO HAIWEN, ZHAI JUN, DAJING GUO, JING HAO, QIANG HE, HONGXIA LIU, HAIWEN XIAO
Принадлежит:

The invention provides a silt operation device of a large-caliber sewage conduit desilting system, comprising an underground desilting boat and a ground operation control system connected by a cable and a control line. The underground desilting boat comprises a hull and a submarine stirring device mounted on the hull; the ground operation control system comprises the cable, a pulley block, a guide rod, a winch and a control box, wherein the guide rod is fixed relative to a manhole or the ground; the pulley block is mounted on the guide rod; the cable is respectively connected with the hull and the winch by the pulley block; and the control box is connected with the submarine stirring device by the control line. The device is one part of the whole desilting system, is used by matching with a sewage discharge control device arranged at the downstream of a pipeline to be desilted in operation, desilts a sewage conduit with a caliber larger than 1 m, frees manpower from in-conduit operation ...

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Номер записи: 7
07-09-2011 дата публикации

Silt operation device of large-caliber sewage conduit desilting system

Номер: CN0101701471B
Автор: GUO DAJING, HAO JING, HE QIANG, LIU HONGXIA, XIAO HAIWEN, ZHAI JUN, DAJING GUO, JING HAO, QIANG HE, HONGXIA LIU, HAIWEN XIAO
Принадлежит:

The invention provides a silt operation device of a large-caliber sewage conduit desilting system, comprising an underground desilting boat and a ground operation control system connected by a cable and a control line. The underground desilting boat comprises a hull and a submarine stirring device mounted on the hull; the ground operation control system comprises the cable, a pulley block, a guide rod, a winch and a control box, wherein the guide rod is fixed relative to a manhole or the ground; the pulley block is mounted on the guide rod; the cable is respectively connected with the hull and the winch by the pulley block; and the control box is connected with the submarine stirring device by the control line. The device is one part of the whole desilting system, is used by matching witha sewage discharge control device arranged at the downstream of a pipeline to be desilted in operation, desilts a sewage conduit with a caliber larger than 1 m, frees manpower from in-conduit operation ...

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Номер записи: 8
22-06-2011 дата публикации

Integrated initial rainwater draining well and method for draining rainwater

Номер: CN0102102392A
Автор: ZHAI JUN, HAIWEN XIAO, QIANG HE, HAIBO HU, JIE LIU, YAWEN LUO, XIAO HAIWEN, HE QIANG, HU HAIBO, LIU JIE, LUO YAWEN
Принадлежит:

The invention provides an integrated initial rainwater draining well, which is a device capable of draining certain millimeters of initial rainwater on an appointed water catchment panel and separating out later clean rainwater so as to greatly enhance the quality of the recycled rainwater. The integrated initial rainwater drainage well consists of a buried rainwater inspection well and a storagepool; the rainwater inspection well is connected with a water inlet pipe and a water outlet pipe; a bevel board precipitation structure is arranged at the bottom of the storage pool; a drainage pipe is arranged at a position a certain distance from the pool bottom; a lower sink and a flow baffle plate are arranged between the rainwater inspection well and the storage pool; at the highest water level, short flow is formed between the water inlet pipe and the water outlet pipe, so the later rainwater passes through the rainwater inspection well and directly enters the water outlet pipe to be recycled ...

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Номер записи: 9
15-06-2011 дата публикации

Improved dredging boat for large-diameter sewage pipe

Номер: CN0102094454A
Автор: ZHAI JUN, HAIWEN XIAO, QIANG HE, HAINAN AI, HUAFEI LI, CHUAN QIN, XIAO HAIWEN, HE QIANG, AI HAINAN, LI HUAFEI, QIN CHUAN
Принадлежит:

The invention relates to an improved dredging boat for a large-diameter sewage pipe. The improved dredging boat comprises a buoy body, an underwater agitating device arranged on the buoy body, and self-elongation adjustable mud scraping rake teeth, wherein, the buoy body is an integral buoy in a hydraulic streamline shape, and the lower part of the buoy body is indent; the underwater agitating device comprises at least one submersible agitator, and the submersible agitator is arranged in the indent space of the buoy body and obliquely downwards dives into water to form a certain included angle with a horizontal plane; and the self-elongation adjustable mud scraping rake teeth are formed by assembling at least three single rake teeth, rake teeth connecting steel plates and transverse rake teeth ribs, the single rake teeth are fixed below the front part of the buoy body through bolts by utilizing the rake teeth connecting steel plates, and the single rake teeth are connected with the rake ...

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Номер записи: 10
14-04-2010 дата публикации

Sewage level controlling device of dredging system for sewage pipeline with large-pipe diameter

Номер: CN0101694108A
Автор: Zhai Jun, He Qiang, Xiao Haiwen, Kong Hua, Li Huafei, Liang Jianjun
Принадлежит:

The invention provides a sewage level controlling device of a dredging system for a sewage pipeline with large-pipe diameter, which comprises a gas-charged rubber gate and a ground charging-discharging device. The gas-charged rubber gate comprises a gas-charged rubber leather bag and a positioning mechanism; after being charged with gas, the outer diameter of the gas-charged rubber leather bag is equal to the inner diameter of a downstream pipe section of a dredged pipe section; the center of the gas-charged rubber leather bag is provided with a water passing hole for sewage to pass through transversely, and the water passing hole is positioned at the center of the gas-charged rubber leather bag; and the positioning mechanism fixes the gas-charged rubber leather bag and an inspection well oppositely. The ground charging-discharging device is connected with a gas-charged rubber balloon through an air hose. As a constituent part of the dredging system, the sewage level controlling device ...

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Номер записи: 11
25-03-2015 дата публикации

Composite biological enhanced denitrification oxidation ditch system and process

Номер: CN104445617A
Автор: ZHAI JUN, XIAO HAIWEN, HE QIANG, YANG MENGLI, HUANG ZEJIN
Принадлежит:

The invention relates to a composite biological enhanced denitrification oxidation ditch system and process and belongs to the fields of sewage treatment and environmental protection. Aiming at the problems that the denitrification capacity of a low hydraulic retention time oxidation ditch is insufficient and the effluent quality is lower than the conventional sewage standard, the invention discloses a composite oxidation ditch system and process with small occupied area and good denitrification effect. The system and the process can be used for newly built wastewater treatment plants with land shortage and also can be used for low-cost upgrading and reconstruction of the oxidation ditch in the original sewage plant in which the total nitrogen and ammonia nitrogen emission does not reach the standard under the low hydraulic retention time. The system is characterized by a biologically enhanced nitrification area, the biologically enhanced nitrification area is isolated in a main ditch of ...

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Номер записи: 12
01-09-2010 дата публикации

Rocker string bag type grating slag removing machine in waste water treatment

Номер: CN0101817566A
Автор: QIANG HE, CHUANDONG TANG, HAIWEN XIAO, ZHAI JUN, HE QIANG, TANG CHUANDONG, XIAO HAIWEN
Принадлежит:

The invention relates to a rocker string bag type grating slag removing machine in waste water treatment. The slag removing string bag device comprises parallel steel guide rails, a ground hanger rod and a steel string bag, wherein the steel string bag is manufactured by adopting metal grid bars with a certain interval and a frame according to slag removing requirements; the steel string bag is arranged on the parallel steel guide rails; and waste water passes through the steel string bag to achieve the purpose of intercepting and filtering to remove the slag. The steel string bag is lifted to the ground by the ground hanger rod to periodically clean the intercepted dirt in the string bag. The slag removing string bag device can realize the function of cleaning coarse dirt at the preceding stage in middle and small-scale waste water treatment plants, and can replace thick and thin grids arranged in the general waste water treatment plans. The device has good slag removing effect, simple ...

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Номер записи: 13
08-04-2015 дата публикации

Biologically enhanced denitrification structure suitable for composite oxidation ditch

Номер: CN104496021A
Автор: HE QIANG, XIAO HAIWEN, ZHAI JUN, YANG MENGLI, HUANG ZEJIN
Принадлежит:

The invention relates to a biologically enhanced denitrification structure suitable for a composite oxidation ditch. According to the invention, an oxidation ditch is formed by tank walls. A main ditch channel of the oxidation ditch comprises a biological denitrification zone and an organic matter oxidation zone. The biologically enhanced denitrification structure is a biologically enhanced nitrification zone. According to the biologically enhanced nitrification zone, a sub ditch channel section is separated from the oxidation ditch main ditch channel with a diversion wall. The starting end of the biologically enhanced nitrification zone is positioned in the organic matter oxidation zone, and the tail end of the biologically enhanced nitrification zone is closed. Water is pumped out with a water pump. Baffle plates (baffle plates I and II) are alternatively arranged up and down in the biologically enhanced nitrification zone, such that hydraulic retention time can be prolonged. A porous ...

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Номер записи: 14
24-06-2015 дата публикации

Water-saving, energy-saving and environment-friendly toilet

Номер: CN104727400A
Автор: ZHAI JUN, HE QIANG, XIAO HAIWEN, LIAO KAISEN, XIAO JUN, CHEN XING
Принадлежит:

The invention belongs to the technical field of pollutant disposal and particularly relates to a water-saving, energy-saving and environment-friendly toilet. The water-saving, energy-saving and environment-friendly toilet comprises a hand washing basin, a recycle water regulation and storage box, a urine disposal system, an excrement disposal system and a recycle water reflux pump. The toilet has the advantages that excrement is disposed through the microbial fuel cell technology, urine is disposed through the algae bioreactor technology, and the toilet is harmless, free of pollutant emission, low in operation cost, and the like; material recycling is achieved, and an external water pipe, a sewer or a power supply grid is not needed.

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Номер записи: 15
21-09-2011 дата публикации

Small dredger of sewage pipeline with large pipe diameter

Номер: CN0101693244B
Автор: HE QIANG, ZHAI JUN, XIAO HAIWEN, ZOU JINSONG, HAO JING, CHAI HONGXIANG, QIANG HE, HAIWEN XIAO, JINSONG ZOU, JING HAO, HONGXIANG CHAI
Принадлежит:

The invention relates to a small dredger of a sewage pipeline with large pipe diameter, which comprises a dredger body and an underwater stirring device arranged on the dredger body, wherein the dredger body is formed by adopting at least two buoyant boxes which are connected by a connecting piece; the underwater stirring device comprises at least one set of high-speed water-proof motor and a stirring propeller, the water-proof motor is arranged at the middle of the dredger body, and the power-output shaft of the water-proof motor is connected with the underground stirring propeller; and the stirring propeller extends into water obliquely. The small dredger is connected with an external ground operation control system through two regulating ropes so as to regulate the position thereof in the sewage pipeline; and a control line of the underwater stirring device is connected with the ground operation control system. The small dredger can realize dredgeing of the pipeline with large pipediameter ...

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Номер записи: 16
25-08-2010 дата публикации

Buoyant box type steady-flow water outlet device of sewage treatment regulating pond

Номер: CN0101811741A
Автор: QIANG HE, CHUANDONG TANG, HAIWEN XIAO, ZHAI JUN, HE QIANG, TANG CHUANDONG, XIAO HAIWEN
Принадлежит:

The invention relates to a buoyant box type steady-flow water outlet device of a sewage treatment regulating pond. The buoyant box type steady-flow water outlet device comprises a buoyant box, a water suction pipe, a pressure balancing pipe, a water delivery hose and the like. The buoyant box is formed by two isometric buoyant boxes which are connected with each other through a connecting piece. The water suction pipe is formed by a horn mouth and a straight pipe in a welding way and is provided with a movable fixing component. The pressure balancing pipe is a communicating pipe which stretches out of liquid surface. The water delivery hose is made of materials which can be freely bent. The two ends of the water delivery hose are provided with fixed connecting pieces. The water suction pipe is vertically connected with the buoyant box through the movable fixing component. The height of the water suction pipe can be adjusted according to water passing requirements and the caliber of the ...

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Номер записи: 17
14-04-2010 дата публикации

Small dredger of sewage pipeline with large pipe diameter

Номер: CN0101693244A
Автор: He Qiang, Zhai Jun, Xiao Haiwen, Zou Jinsong, Hao Jing, Chai Hongxiang
Принадлежит:

The invention relates to a small dredger of a sewage pipeline with large pipe diameter, which comprises a dredger body and an underwater stirring device arranged on the dredger body, wherein the dredger body is formed by adopting at least two buoyant boxes which are connected by a connecting piece; the underwater stirring device comprises at least one set of high-speed water-proof motor and a stirring propeller, the water-proof motor is arranged at the middle of the dredger body, and the power-output shaft of the water-proof motor is connected with the underground stirring propeller; and the stirring propeller extends into water obliquely. The small dredger is connected with an external ground operation control system through two regulating ropes so as to regulate the position thereof in the sewage pipeline; and a control line of the underwater stirring device is connected with the ground operation control system. The small dredger can realize dredgeing of the pipeline with large pipe diameter ...

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Номер записи: 18
02-11-2011 дата публикации

Sewage treatment method

Номер: CN0101792236B
Автор: LI WEIMIN, LIU JIE, WANG QIDONG, WANG TAO, XIAO HAIWEN, WEIMIN LI, JIE LIU, QIDONG WANG, TAO WANG, HAIWEN XIAO
Принадлежит:

The invention relates to a sewage treatment method, in particular to a sewage treatment method which can solve the contradiction between denitrification as well as dephosphorization and sludge reduction. The method improves the operating way of the conventional A2/O technique, and a sludge reduction device is designed. As the improved A2/O technique and the sludge reduction device are adopted to operate in a combining way, a system can implement a dephosphorization way combining bypass chemical dephosphorization and biological dephosphorization, and the sludge reduction device can be used forreducing high-concentration sludge in a secondary sedimentation tank in a special operating way. The whole system has better sludge reduction effect and better denitrification and dephosphorization effect, and solves the contradiction between denitrification as well as dephosphorization and sludge reduction in the existing sludge reduction method.

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Номер записи: 19
28-07-2010 дата публикации

Biological sewage treatment device and method for synchronous nitrogen and phosphorus removal and sludge reduction

Номер: CN0101786774A
Автор: DAN LI, WEI LI, WEIMIN LI, TAO WANG, HAIWEN XIAO, LI DAN, LI WEI, LI WEIMIN, WANG TAO, XIAO HAIWEN
Принадлежит:

The invention discloses a biological sewage treatment device and a biological sewage treatment method for synchronous nitrogen and phosphorus removal and sludge reduction. The device comprises a water inlet pipe 1, an anaerobic pond 2, a mid-sedimentation tank 3, an intermediate pool 4, a BAF 5, an anoxic pond 6, a post-aeration tank 7, a secondary sedimentation tank 8, and a water outlet pipe 9 in series connection in order; the treatment process comprises the following steps: mixing raw water and P-rich returned sludge in the anaerobic pond, wherein denitrifying phosphorus accumulating bacteria (DPBs) absorb and store VFA in a body in a form of PHB (poly-beta-hydroxybutyrate) and release a large amount of phosphorus; removing VOD remained in the BAF and nitrating the nitrogen; introducing BAF nitrification liquid and the sludge in the mid-sedimentation tank into the anoxic pond together, wherein the DPBs performs denitrification for absorbing the phosphorous by using the PHB in the body ...

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Номер записи: 20
15-02-2012 дата публикации

Rocker string bag type grating slag removing machine in waste water treatment

Номер: CN0101817566B
Автор: HE QIANG, TANG CHUANDONG, XIAO HAIWEN, ZHAI JUN, QIANG HE, CHUANDONG TANG, HAIWEN XIAO
Принадлежит:

The invention relates to a rocker string bag type grating slag removing machine in waste water treatment. The slag removing string bag device comprises parallel steel guide rails, a ground hanger rod and a steel string bag, wherein the steel string bag is manufactured by adopting metal grid bars with a certain interval and a frame according to slag removing requirements; the steel string bag is arranged on the parallel steel guide rails; and waste water passes through the steel string bag to achieve the purpose of intercepting and filtering to remove the slag. The steel string bag is lifted to the ground by the ground hanger rod to periodically clean the intercepted dirt in the string bag. The slag removing string bag device can realize the function of cleaning coarse dirt at the preceding stage in middle and small-scale waste water treatment plants, and can replace thick and thin grids arranged in the general waste water treatment plans. The device has good slag removing effect, simple ...

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Номер записи: 21
15-06-2011 дата публикации

Dredging system of sewage pipeline with large-pipe diameter

Номер: CN0101693243B
Автор: ZHAI JUN, HE QIANG, XIAO HAIWEN, QIN CHUAN, LI HUAFEI, WU ZHENGSONG, QIANG HE, HAIWEN XIAO, CHUAN QIN, HUAFEI LI, ZHENGSONG WU
Принадлежит:

The invention relates to a dredging system of a sewage pipeline with large-pipe diameter and a method thereof. The dredging system comprises a small downhole dredger, an overground operation system, an air-charged rubber gate and an overground charging-discharging device. The small downhole dredger comprises a dredger body and an underwater stirring device arranged on the dredger body; the small downhole dredger is connected with a ground operation control system through a rope and a control line; when in operation, the underwater stirring device stirs up sludge at the bottom of a pipeline. Before small downhole dredger works, the air-charged rubber gate is placed in a downstream pipeline of a dredged pipe section and charged with air so as to lead water level in the dredged pipe section to rise up, thus facilitating the operation of the small downhole dredger. On the ground, an operation system is arranged so as to control the operation of the small downhole dredger in the pipeline. After ...

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Номер записи: 22
12-01-2011 дата публикации

Sewage level controlling device of dredging system for sewage pipeline with large-pipe diameter

Номер: CN0101694108B
Автор: ZHAI JUN, HE QIANG, XIAO HAIWEN, KONG HUA, LI HUAFEI, LIANG JIANJUN, QIANG HE, HAIWEN XIAO, HUA KONG, HUAFEI LI, JIANJUN LIANG
Принадлежит:

The invention provides a sewage level controlling device of a dredging system for a sewage pipeline with large-pipe diameter, which comprises a gas-charged rubber gate and a ground charging-discharging device. The gas-charged rubber gate comprises a gas-charged rubber leather bag and a positioning mechanism; after being charged with gas, the outer diameter of the gas-charged rubber leather bag isequal to the inner diameter of a downstream pipe section of a dredged pipe section; the center of the gas-charged rubber leather bag is provided with a water passing hole for sewage to pass through transversely, and the water passing hole is positioned at the center of the gas-charged rubber leather bag; and the positioning mechanism fixes the gas-charged rubber leather bag and an inspection welloppositely. The ground charging-discharging device is connected with a gas-charged rubber balloon through an air hose. As a constituent part of the dredging system, the sewage level controlling device is ...

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Номер записи: 23
10-11-2004 дата публикации

抑制高压跳火电流的氧化铁高阻石墨材料及其用途

Номер: CN0001545125A
Автор: LU JUNSHUN, XIAO HAIWEN, LI YUQI, JUNSHUN,XIAO LU, 吕军顺
Принадлежит:

The invention advances a ferric oxide high-resistance graphite material prohibiting high-voltage sparking current and its use, containing ferric oxide 22%-27%, graphite 4%-6%, adhesive 47%-53% and pure water 14%-27%. Its use: it is used in the course of manufacturing kinescopes and uniformly sprayed on the inner surface of the kinescope cone. Because its resistivity is high, it has the special function and advantage of increasing in-painted graphite resistance, effectively prohibiting high-voltage sparking current and achieving the purpose in not damaging line devices of the whole device at the time of high-voltage sparking.

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Номер записи: 24