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84results about How to "Low installation cost" patented technology

Deployable solar panel system

A deployable solar panel system includes a plurality of solar cell panels that are mechanically and electrically coupled to each other prior to shipment to an installation site, folded in a stacking arrangement within a packaging container for shipment to the installation site, and then unfolded to deploy the solar cell panels at a desired tilt angle during installation at the installation site. In one embodiment, the solar cell panels are mechanically coupled to each other using a hinge assembly, such as a hinge bracket and hinge pin. Each solar cell panel system is electrically coupled to each other using a series string. The series string may be electrically coupled to a DC-DC converter and / or a DC-AC inverter.
Owner:GENERAL ELECTRIC CO

High-speed image acquisition and processing system

InactiveCN104902167ALow installation costEliminate spatial position errors and processing errorsTelevision system detailsColor television detailsCcd cameraImage synthesis
The present invention provides a high-speed image acquisition and processing system. The system comprises a beam splitter prism, two CCD cameras, a camera adjusting device and an FPGA. The beam splitter prism is used for splitting incident light into two sub light beams to respectively enter the two CCD cameras. The camera adjusting device is used for adjusting the spatial positions of the two CCD cameras. The FPGA includes a camera timing control unit, an image synthesis unit and an image pre-processing unit. The camera timing control unit is used for sending pulse control signals, via two triggering wires, to the two CCD cameras to control the two CCD cameras to be triggered by time and make exposures at different times for acquiring images. The image synthesis unit combines the images of the two CCD cameras into a continuous image. The image pre-processing unit is used to pre-process the image. The high-speed image acquisition and processing system of the present invention achieves high-frequency image acquisition with low-frequency image sensors, so that the device cost is significantly lowered, the image collection acquisition is increased, and the system is particularly suitable for image acquisition and processing of high-speed moving object measurement.
Owner:HUAZHONG UNIV OF SCI & TECH

Method for directly carrying out innocent treatment on electrolytic manganese residues in filter pressing plate frames

Provided is a method for directly carrying out innocent treatment on electrolytic manganese residues in filter pressing plate frames. The electrolytic manganese residues treated through the method are filter cakes obtained after filter pressing in the filter pressing plate frames of a plate-and-frame filter press, and sodium dihydrogen phosphate, calcium oxide, magnesium oxide and polyacrylamide are included in a treating agent. The method comprises the steps that 1, the electrolytic manganese residue filter cakes in all the filter pressing plate frames are washed through solutions obtained by mixing the sodium dihydrogen phosphate and water; 2, after the magnesium oxide, the calcium oxide and the polyacrylamide are dissolved in filter liquor collected in the step 1, the electrolytic manganese residue filter cakes are washed again; 3, filter liquor generated in the step 2 is collected, the plate-and-frame filter press is loosened to unload the filter cakes, and the electrolytic manganese residues generated after the innocent treatment are obtained. According to the method, soluble manganese in the electrolytic manganese residues is fixed, meanwhile, soluble ammonia nitrogen in the electrolytic manganese residues is fixed, and compared with the prior art, the advantages in the prior art are kept, the defects in the prior art are overcome, and the total cost of innocent treatment on the electrolytic manganese residues is lowered.
Owner:CHONGQING UNIV

Experimental apparatus for demonstrating movement rule of charged particle in uniform magnetic field

The invention discloses an experimental apparatus for demonstrating the movement rule of a charged particle in a uniform magnetic field. The experimental apparatus comprises a power supply unit, a current reversing unit and an electrolytic bath, wherein the electrolytic bath comprises a water tank containing electrolyte and an annular coil arranged below the water tank; the coil is externally connected with exciting current to generate a magnetic field; a first electrode is arranged at the middle part of the water tank; a metal ring arranged in the water tank along the inner wall is a second electrode, and the first electrode and the second electrode are respectively connected with the power supply unit. According to the experimental apparatus, the movement rule of the charged particle in the magnetic field is visually and intuitively demonstrated; the interestingness is also increased, and the interest of a student to learn science is stimulated. The apparatus is low in cost, simple to manufacture, simple in operation and obvious in effect. The apparatus can explain the electrical conductivity of the electrolyte solution and the characteristics that freely moving cation and anion, electric field and magnetic field in the internal part have the effect of force and acting force on the charged particle, and the movement rule of the charged particle in the magnetic field can be visually and intuitively demonstrated.
Owner:SOUTHWEST UNIVERSITY

Cross-laminated wood processing equipment

The invention discloses cross-laminated wood processing equipment. The cross-laminated wood processing equipment comprises a longitudinal plate charging mechanism, a transverse plate charging mechanism, a glue showering mechanism, laying trucks, presses, a transport truck and a discharging car. Longitudinal plates are laid on the laying trucks at an assembly station through the longitudinal plate charging mechanism. Transverse plates are laid on the laying trucks through the transverse plate charging mechanism. The longitudinal plates and the transverse plates are vertically and alternately laid layer by layer. The glue showering mechanism is arranged above the assembly station and showers the upper surfaces of assembly plates with glue. The transport truck moves between a material transfer station and the unoccupied presses back and forth passing through the assembly station, bears the laying trucks and assembled plates and sends the plates into the presses for compaction. The discharging car moves between the presses completing compaction and a discharging station back and forth and conveys the unoccupied laying trucks to the assembly station. Compared with other international similar equipment, fall-automatic cross-laminated wood processing production can be achieved, the device cost is low, the production capacity is high, the processing efficiency is high, and the cross-laminated wood processing equipment has a great advantage.
Owner:JIANG SU GLOBAL CLT CO LTD

Recognition device and method for radical driving state of driver

The invention relates to a recognition device and method for the radical driving state of a driver. The recognition device comprises a data collecting unit, a processing unit and a voice prompt unit. The data collecting unit collects the image of a lane where a target car runs, the speed and the distances between the target car and front and back cars, transmits the collected target car information to the processing unit and obtains the lane deviation amount and speed of the target car, and the speeds of the front and back cars. In addition, the processing unit works out the radical driving degrees of the driver in the transverse and longitudinal directions through the processed information. When the radical driving degrees in the transverse and longitudinal directions are larger than a threshold value, the target car is in a radical driving state, and the driver is provided with early warning information through the voice prompt unit.
Owner:JIANGSU UNIV

Method and device for controlling washing of station of bottle washing machine

The invention discloses a method and device for controlling washing of a station of a bottle washing machine. According to the method for controlling washing of the station of the bottle washing machine, when a central control unit confirms that a bottle or a bucket is placed on the station according to information fed back by a detecting device, a station valve, corresponding to the station, on a washing pipeline is controlled to be opened, a corresponding water pump on the washing pipeline is controlled to operate at a high speed, and a spraying head on the station is made to wash the bottle or the bucket in a spraying mode; when the central control unit confirms that no bottle or bucket is placed on the station, the station valve is controlled to be closed, the water pump is controlled to operate at a low speed, and the spraying head is made to stop washing. The device for controlling washing of the station of the bottle washing machine comprises the central control unit, the detecting device, the station valve, the water pump, the spraying head and the washing pipeline, wherein the detecting device, the station valve and the water pump are connected with the central control unit electrically, and the water pump, the station valve and the spraying head are installed on the washing pipeline in sequence in the flowing direction of water in the washing pipeline. The method and device for controlling washing of the station of the bottle washing machine has the advantages that energy consumption, water consumption and acid and alkali water consumption can be reduced and the phenomenon of leakage of the station is avoided.
Owner:GUANGZHOU TECH LONG PACKAGING MACHINERY CO LTD

Avalanche tolerance test device of power MOSFET device

The invention discloses an avalanche tolerance test device of a power MOSFET device. The avalanche tolerance test device of the power MOSFET device comprises a front end power MOSFET device to be tested and a peripheral test circuit thereof, and a back end sampling control system; the test circuit comprises an adjustable direct current power supply, a fuse, an adjustable inductor, a voltage sampling resistor, a voltage dividing resistor and a current sampling resistor; and the sampling control system comprises an operational amplifier module, an AD module, a CPU module, a driving module, and an upper computer. The avalanche tolerance test device of the power MOSFET device disclosed by the invention has safe operation, simple equipment, low cost and objective test result, and can display the drain-source voltage of the MOSFET power device to be tested and the waveform of the current flowing through the drain-source in the upper computer; meanwhile, the avalanche tolerance test device ofthe power MOSFET device realizes a high instantaneous energy avalanche tolerance test, and provides important parameter indexes for device performance evaluation.
Owner:ZHEJIANG UNIV

Auto-tracking suitcase

The invention discloses an auto-tracking suitcase, comprising a suitcase body and a transmitter. The transmitter is capable of emitting infrared in various directions. A row of infrared receiving tubes are evenly and horizontally arranged in the front of the suitcase body and are triggered on receiving infrared signals. A controller is disposed in the suitcase body, electrically connected with the infrared receiving tubes and capable of reading trigger information of the infrared receiving tubes, judges the position of the transmitter according to the amount and positions of the triggered tubes and thus controls the positions of the suitcase and transmitter through a drive system. An ultrasonic sensor is disposed on the side of the suitcase body. The upper side of the suitcase body is provided with a button and an alarm. An auto-tracking mode and a hand pull mode may be set through the button. The transmitter is carried by an owner of the suitcase, thus the owner can be tracked and the trouble of dragging the suitcase in travelling is omitted.
Owner:HANGZHOU GUOCHEN ROBOT TECH CO LTD

Method and Apparatus For Spanning Gutter Gaps in Wall Panels

The wall panel system of the present invention includes a flexible sheet interlock to flexibly seal a joint defined by adjacent perimeter framing members and a capillary break to inhibit the entry of water into drainage or weep holes in gutters in the perimeter framing member.
Owner:ELWARD SYST

Double-reaction-electrode water half-electrolysis device

The invention concretely relates to a double-reaction-electrode water half-electrolysis device. The device is characterized in that a reaction electrode I (5) and a reaction electrode II (10) in an electrolytic tank (8) are located at two sides or the other side of a capacitor electrode (2); or the capacitor electrode (2) is laid on the inner wall and the bottom of the electrolytic tank (8), the electrolytic tank (8) provided with the capacitor electrode (2) is filled with an electrolyte (9), and the reaction electrode I (5) and the reaction electrode II (10) are located in the electrolyte (9). A current collector I (3) is connected with the positive electrode of a power supply (1), a current collector II (6) is connected with the negative electrode of the power supply (1), and hydrogen isevolved on a reaction electrode body I (7); or the current collector I (3) is connected with the negative electrode of the power supply (1), a current collector III (11) is connected with the positive electrode of the power supply (1), and oxygen is evolved on a reaction electrode body II (12). The device has the characteristics of avoiding of gas mixing, reduction of the device cost, increase ofthe electrolysis rate and significant reduction of the energy consumption for electrolysis.
Owner:WUHAN UNIV OF SCI & TECH

Remote control method for television screen

InactiveCN106792058ARealize remote controlIntelligent and convenient remote control operationSelective content distributionComputer hardwareRemote control
The invention provides a remote control method for a television screen. The remote control method comprises the following steps: a browser which supports an HTML5 application is installed in an intelligent terminal, and a browser or APP which supports the HTML5 application is installed in the intelligent terminal; the intelligent terminal scans and acquires a QR code on the television screen through a camera, and sends identity information of the intelligent terminal and the QR code to a server; the server receives the QR code and the identity information of the intelligent terminal, and binds the television screen corresponding to the QR code with the intelligent terminal; the intelligent terminal sends a control instruction to the server, and the server receives the control instruction and sends the control instruction to the television screen; the television screen executes the control instruction after receiving the control instruction. By remote control over the television screen through the intelligent terminal based on HTML5, the remote control method is convenient to operate, and no hardware is added.
Owner:FUJIAN NEW DOONE TECH

Polishing device and automatic metallurgical polishing machine

The present invention relates to the technical field of metallographic polishing equipment, in particular to a polishing device and an automatic metallographic polishing machine; the polishing device includes a feeding mechanism and a clamping mechanism, and the feeding mechanism is connected to the clamping mechanism; The feed mechanism includes a housing and an extrusion head, and the extrusion head is connected to the housing through threads; a sliding partition is provided in the housing, and the sliding partition is slidingly connected to the box body; An extrusion spring is arranged between the extrusion head and the sliding partition, and the sliding partition is connected with the clamping mechanism. In the polishing device and the automatic metallographic polishing machine disclosed in the present invention, firstly, the extrusion head part is controlled by thread, which has high precision and is easy to control; the innovative use of springs to realize the force feeding realizes the gradual change of the force and satisfies the test requirements. The polishing requirements of the sample; the bearing is installed at the bottom clamping device, so that the sample can not only revolve with the polishing cloth, but also rotate, so that the sample can be polished more ideally.
Owner:东北大学秦皇岛分校

Panel Installation Set and Method of Installing Panel Using the Same

InactiveUS20080066407A1Easily and simply installed and assembleLow installation costCovering/liningsWallsSurface plateCoupling
The present invention relates to a panel installation set used to finish the surface of a building, and to a method of installing panels using the panel installation set. The panel installation set comprises a support member (10) having a coupling projection (15) and a panel (20) having a coupling groove (25). The installation method includes the steps of fixing a support member (10) having a coupling projection to a building and assembling a panel (20) having a coupling groove (25) to the support member (10) in a manner such that the coupling projection (15) is inserted into the coupling groove (25). According to the present invention, since panels are assembled in a sliding manner, the panel installation set has the advantage of enabling easy and simple assembly of the panels, and reducing installation cost by reducing the use of subsidiary material.
Owner:LG CHEM LTD

Reaction rod arrangement

The present invention refers to a reaction rod arrangement, in particular a V-stay suspension, for a vehicle including a bushing (1), wherein the bushing (1) comprises a rigid core member (3) having a bearing portion (9) and defining a longitudinal axis (z), and an elastomer body (11) being arranged on at least a portion of the radially outer surface of the bearing portion (9), characterised in that the bearing portion (9) comprises a first and a second tapering portion (37, 39), wherein the first tapering portion (37) tapers towards one axial end of the bearing portion (9) and the second tapering portion (39) tapers towards the other opposite axial end of the bearing portion (9), wherein the axial extension of the bearing portion (9) is larger than its maximal radial extension with respect to the longitudinal axis (z), and wherein the elastomer body (11) is movably arranged on the bearing portion (9) such that the elastomer body (11) is able to perform a rotational movement about thelongitudinal axis (z) relative to the rigid core member (3) and a tilting movement about an axis perpendicular to the longitudinal axis (z) relative to the rigid core member (3).
Owner:孔斯贝格汽车公司

System for purifying trichlorosilane by utilizing quadruple-effect coupled distillation and treatment method thereof

The invention provides a system for purifying trichlorosilane by utilizing quadruple-effect coupled distillation and a treatment method thereof. The system comprises a first lightness removing tower, a first heaviness removing tower, a second lightness removing tower, a second heaviness removing tower, a fed-material preheater, a first lightness tower reboiler, a first heaviness removing tower reboiler, a second heaviness tower reboiler and a heat-pump compressor. The system provided by the invention has the advantages that steam at the top of the first heaviness removing tower is used for heating materials of a tower kettle of the first lightness removing tower, steam at the top of the second lightness removing tower is used for heating materials of a tower kettle of the first heaviness removing tower, and steam at the top of the second heaviness removing tower is used for heating materials of a tower kettle of the second lightness removing tower and preheating materials fed into the first lightness removing tower; simultaneously, the steam at the top of the first lightness removing tower is pressurized and heated by the heat-pump compressor and then is used for heating the materials of the tower kettle of the second heaviness removing tower. The heat in a distillation system is fully utilized in the whole process flow, so that the consumption of steam and cooling water is saved and simultaneously the cost of the device is also reduced.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Reflux water saving device for water heater

The invention discloses a reflux water saving device for a water heater, which comprises a water storage box, a water inlet pipe of the water storage box and a water outlet pipe of the water storage box, wherein one end of the water inlet pipe of the water storage box is connected with a hot water pipe of the water heater, and the other end of the water inlet pipe of the water storage box is connected with the water storage box; one end of the water storage box is connected with a water mixing valve of the water heater, and the other end of the water outlet pipe of the water storage box is connected with the water storage box; the water inlet pipe of the water storage box and the water outlet pipe of the water storage box are both provided with control valves; or the water storage box is internally provided with a switching-out system, a floating plate system, a movable wedge system and a water valve control system, wherein the switching-off system is connected with the floating platesystem and used for pulling the floating plate system; the floating plate system drives the movable wedge system, and therefore the water inlet valve control system connected with the movable wedge system is started; in addition, the water outlet pipe of the water storage box is internally provided with a check valve. The reflux water saving device has the advantages of lower cost, capability of batch production, wide application, easiness in popularization and small energy dissipation and can be applied to hotels, communal facilities and common families and accords with the current requirements of energy saving and emission reduction.
Owner:TONGJI UNIV

Underwater scanning measurement device and measurement method thereof

The invention relates to an underwater scanning measurement device and a measurement method thereof. The underwater scanning measurement device comprises a scanning device and an electric control device connected with the scanning device, wherein the scanning device comprises a mounting frame, a scanning frame and a servo transmission mechanism; the scanning frame is slidably connected with the mounting frame through the servo transmission mechanism; the electric control device comprises a computer and a movement controller connected with the computer; and the scanning frame is provided with a hydrophone. The measurement method utilizes a wireless transmission technology to feed data obtained by scanning back to the computer by the movement controller through utilizing the computer to control a movement manner of the scanning frame, so as to analyze and synthesize. According to the underwater scanning measurement device and method, disclosed by the invention, parameters including suitable scanning steps and the like are selected according to actual requirements, such as parameters including sizes and measurement frequencies, of a detected sound structure body; a corresponding scanning array is provided according to the shape and working characteristics of the detected sound structure body, so as to carry out two-dimensional scanning; and therefore, a measurement scheme is flexible and automatic intelligentization is realized.
Owner:武汉普惠海洋光电技术有限公司

Polyacrylonitrile-based carbon fiber production device and method

The invention provides a polyacrylonitrile-based carbon fiber production device and method. The production device comprises a precursor unwinder, a conveyor, a pre-oxidation device, a heat storage recoverer, a multilayer heater, an air flow distributor, a cooling water processing system, a medium temperature carbonization device, a high temperature carbonization device, a tar processor, a cleaning device, a drying apparatus, an impregnation device and a waste liquor recoverer. The production method can meet the requirements for polyacrylonitrile and viscose silk based carbon fiber industrialization, the cost of the device is lowered by more than 80%, energy consumption is lowered by more than 80%, no contaminant is discharged, the production device with the production value being more than one billion yuan only needs 60 workers (three shifts), and the whole device can achieve automation and intelligence, maintenance is easy and operation is convenient. The production device breaks through blockade on techniques of developed countries, and localization is achieved totally.
Owner:RONGCHENG COMPOSITE MATERIALS

Fluidized bed reactor for preparing ammonia by virtue of pyrolysis of urea

The invention discloses a fluidized bed reactor for preparing ammonia by virtue of pyrolysis of urea. The fluidized bed reactor comprises a reactor body, wherein an air inlet for introducing air or smoke is formed in the lower part of the reactor body; a reaction product outlet is formed in the upper part of the reactor body; a plurality of solution inlets for introducing a urea solution into the reactor body are formed in the side surface of the reactor body; the outer side of the reactor body is coated with a plurality of groups of resistive heaters from top to bottom, and each group of resistive heaters are respectively connected with corresponding temperature control devices. By forming the solution inlets for introducing the urea solution in the side surface of the reactor body and arranging the resistive heaters for heating the reactor on the outer side of the reactor body, the urea can be pyrolyzed and transformed in the reactor, therefore the fluidized bed reactor disclosed by the invention is low in cost, simple to control and free of secondary pollution.
Owner:XI AN JIAOTONG UNIV

Photovoltaic module temperature real-time calculation method based on Lambert W function

The invention provides a photovoltaic module temperature real-time calculation method based on a Lambert W function. According to the method, under different temperature and irradiance conditions, theI-V characteristic curve of the same photovoltaic module changes along with the change of the temperature and the irradiance; the method comprises the following steps: obtaining a working temperatureequation of the photovoltaic module, i.e., the characteristic of I = f (V, S, T), performing explicit processing through a Lambert W function after the working characteristic equation is inversely solved, thereby obtaining a working temperature equation of the module, and substituting information convenient to obtain in the photovoltaic power station into a temperature calculation equation, thereby obtaining the actual working temperature of the photovoltaic module through relatively accurate calculation. According to the method, the temperature of the photovoltaic module can be accurately obtained without installing a large number of temperature sensors, so that the related problems of module power generation capacity prediction, module fire early warning and the like can be solved.
Owner:HEFEI UNIV OF TECH +1

Image processing device capable of achieving multiple-screen image displaying and processing method thereof

The invention relates to an image processing device capable of achieving multiple-screen image displaying and a processing method thereof. The processing device comprises a two-dimensional mobile platform, a color sensor probe, a computer and a real-time addition and correction module, wherein the two-dimensional mobile platform is arranged facing the project direction of a peripheral to-be-added-and-corrected multiple-screen display device; the color sensor probe is connected on the two-dimensional mobile platform; the computer is connected with the two-dimensional mobile platform, the color sensor probe and the to-be-added-and-corrected multiple-screen display device; and the real-time addition and correction module is connected with the computer. According to the an image processing device capable of achieving multiple-screen image displaying and the processing method thereof, the high-precision color sensor probe which can accurately move and locate on the two-dimensional mobile platform and the computer which has a color analysis function are adopted to analyze color uniformity of a picture which is projected by the to-be-added-and-corrected multiple-screen display device, and the real-time addition and correction module is used for adding and correcting, and repairing chrominance and luminance of the picture.
Owner:万正彪 +2

Multi-disk arrangement for a multi-disk clutch

The invention relates to a multi-disk arrangement (10) for a multi-disk clutch for coupling a drive shaft of a vehicle motor to at least one transmission input shaft of a motor vehicle transmission, comprising a plurality of annular inner multi-disks (12) arranged parallel to one another, an inner connecting device (14) arranged on an inner circumference (16) of the inner multi-disk (12) for connecting the multi-disks (12) to one another, a plurality of annular outer multi-disks (18) arranged parallel to the inner multi-disks (12) for the frictional compression of the inner multi-disks (12), wherein a number n of outer multi-disks (18) and a number n-1 of inner multi-disks (12) are provided, and wherein the inner multi-disks (12) and the outer multi-disks (18) are arranged alternately andaxially displaceably relative to one another, and a outer connecting device (22) arranged on an outer circumference of the our multi-disk (18) for connecting the outer multi-disks (18) to one another.The invention further relates to a method for assembling the multi-disk arrangement according to the invention.
Owner:SCHAEFFLER TECH AG & CO KG

Intelligent, full-featured diesel engine exhaust treatment system

Disclosed is an intelligent, full-featured diesel engine exhaust treatment system, including: an exhaust flowing zone, a microcomputer processor, and an exhaust detecting device, the exhaust flowing zone defining a first exhaust treatment path and a second exhaust treatment path, the microcomputer processor selectively employing a soot filter and a catalyst converter to purify the engine exhaust based on the state of contaminants in the engine exhaust as detected by the exhaust detecting device.
Owner:TRIVISION TECH TAIWAN

Wall-mounted soap slicing device

The invention discloses a soap slicing device for family or public places. The soap slicing device comprises a hollow cube-shaped box, a binding, a rear baffle, an interlayer baffle, soap, an arc-shaped partition sheet, a threaded partition plate, a swivel bolt, a closed inner wall, a cube-shaped press block, a spring and a blade. The soap slicing device is fixed on a wall beside a wash basin, the soap is put in a soap inlet of the device, the position of the threaded partition plate is adjusted by virtue of the swivel bolt so as to set different soap slice thicknesses; then, one hand is under the arc-shaped partition sheet, the other hand presses down the press block of the device, and thus the soap slicing operation is finished. Different amounts of soap can be put in the device according to the different design sizes of the device. When not used, the device is just put on the wall beside the wash basin, and because the device has a beautiful shape design, people can enjoy the beauty of the device as an ornament. The soap slicing device has the advantages of reliable structure principle, low manufacturing cost, convenient maintenance, high soap utilization rate, convenient operation, good sanitary performance, high reliability, no secondary pollution and wide application range and therefore is worthy of popularization.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Device and method for efficiently converting volatile organic compounds

The invention discloses a device and method for efficiently converting volatile organic compounds. The lower section of the device is a fluidized bed section, the upper section of the device is a fixed bed section, the fluidized bed section and the fixed bed section are separated by a porous distribution plate, and a metal wire mesh layer for preventing solids of the fluidized bed section from moving upwards, inlets of volatile organic compounds, water vapor and catalysts and outlets of a carbon product and a gas product are arranged. The method comprises the following steps: respectively filling the fluidized bed section and the fixed bed section with the nano-metal supported catalysts with different particle sizes. Conversion energy is provided through external heating, and heat is supplied to the catalyst of the fixed bed section through gas of the fluidized bed section, water vapor is introduced into the middle of the reaction device, the fluidized bed section is controlled to produce a large number of the carbon product, carbon deposition is avoided in the fixed bed section, and a long catalyst life is maintained. By utilizing the method, the volatile organic compounds are efficiently converted and directly discharged, meanwhile, the carbon nano material is prepared, and the additional value is increased. The device has the advantages of compact structure, low investment and easiness in amplification.
Owner:TSINGHUA UNIV

Device for underwater observation and resource assessment of coral reef fishes and observation method

The invention relates to a device for underwater observation and resource assessment of coral reef fishes. The device includes a combined bracket, several measuring rulers, a moving frame and a camera. The combined bracket comprises a cross rod and a pair of mutually parallel straight rods, and the cross rod is connected between the two straight rods, the measuring rulers are installed on the straight rods, the moving frame is installed between the straight rods and can move back and forth in the extending directions of the straight rods, the camera is fixed in the moving frame, a lens of thecamera faces the measuring rulers, and the whole device is very economical and has high practicability. The invention further provides an observation method of the device for the underwater observation and resource assessment of the coral reef fishes, and the method includes the following steps that three observation points are set, the fishes are observed at each observation point in a period oftime and the fish density is calculated, operation is convenient and observation data is accurate.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

Normal butane method-based maleic anhydride production line

The invention discloses a normal butane method-based maleic anhydride production line. The normal butane method-based maleic anhydride production line is characterized in that a counterbalance valve is used for isolation of pressure inside and outside a reactor system so that necessary reaction pressure is kept in the reactor and normal pressure is kept outside the reactor. The pressure outside the system is greatly reduced and is close to normal pressure so that a safety risk of the device outside the reactor system is reduced, the pressure vessel is changed into an unpressurized vessel and device purchase and maintenance costs are reduced.
Owner:常州新日催化剂股份有限公司
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