67results about How to "Change dependencies" patented technology

A method of reducing sulfur dioxide emissions of a circulating fluidized bed boiler includes the steps of (a) feeding a first stream comprising a sulfur-containing carbonaceous fuel to a furnace of the boiler; (b) feeding a second stream comprising calcium carbonate to the furnace at a rate relative to the first stream such that the molar ratio of calcium in the second stream to sulfur in the first stream (the Ca/S molar ratio) is between about 1.2 and about 0.6; (c) combusting the fuel so that the sulfur is oxidized to form sulfur dioxide and ashes are produced in the furnace; (d) calcining the calcium carbonate to form calcium oxide in the furnace and utilizing the calcium oxide to sulfate the sulfur dioxide to form calcium sulfate; (e) discharging flue gases and particles entrained in the flue gases from the furnace; (f) separating the particles from the flue gases using a hot loop separator, and returning the separated particles to the furnace; (g) discharging the ashes from the boiler; and (h) further reducing the sulfur content of the flue gases in a sulfur-reduction stage downstream of the furnace.

The invention discloses a water borne floating bed, the main body of which is a foam board. A plurality of taper base holes are arranged on the foam board according to space requirement of the rice growth line distance. A taper plastic retainer cap is installed in the taper base hole. Small holes are provided on the cup bottom and the cup wall of the taper plastic retainer cap. The invention also discloses a method for planting rice on the floating bed. The invention develops the novel technology for planting rice in the natural water area, decreases the planting costs, alters the station of the paddy field rice and the water culture rice depending on the fertilizer and pesticide, saves water, electricity and labor force and purifies the water and environment.

The invention discloses a display module and a rugged tablet personal computer thereof. The display module comprises a panel module unit and an LCD (Light Crystal Display) module unit which are independent mutually, wherein the panel module unit is arranged in front of the LCD module unit and is detachably and fixedly connected with the LCD module unit. The rugged tablet personal computer comprises a host module and a display module, wherein the host module and the display module are independent respectively and are detachably and fixedly connected together; the host module comprises a rear cover and a host unit arranged in the rear cover; the host unit comprises a mainboard, a rigid disk, an IO (Input/Output) interface board, a power source and a power filter; the mainboard is respectively and electrically connected with the IO interface board, the power source and the power filter; and the mainboard is spliced with the IO interface board. The display module provided by the invention is strong in compatibility and easy to maintain and replace. The rugged tablet personal computer has the characteristics of complete computer modularization, high assembling efficiency, easiness for maintaining and replacing and balanced customization and industrialization.

The invention relates to a turbine tester which comprises a combustion gas generator including a compressor, a combustion chamber and a working turbine, and a fuel control module. The turbine tester further comprises a tester including an interstage combustion chamber and a tested turbine. The interstage combustion chamber is arranged behind the combustion gas generator, so that the high temperature high pressure gas in the combustion chamber flows by the working turbine and enters into the interstage combustion chamber. The tested turbine is arranged behind the interstage combustion chamber, the high temperature high pressure combustion gas of the interstage combustion chamber flows by the tested turbine and pushes the test turbine to rotate. The combustion gas generator is decoupled from the test turbine.

The invention discloses a method for synthesizing cyclohexenone through the catalytic oxidation of cyclohexene. The method comprises the following steps: adding reactants including cyclohexene, a solvent and a solid catalyst into a reactor to mix, and carrying out ultrasonic processing on the obtained mixture so as to form suspension liquid, wherein the solid catalyst is a carbon material, the carbon material is a carbon nanotube, a nitrogen-doped carbon nanotube, diamond, graphite or activated carbon, and the solvent is an organic solvent mutually soluble in cyclohexene and oxidation products thereof; heating the suspension liquid to 40-150 DEG C, feeding oxygen or air as an oxidant, and reacting 0.1-20 h at a pressure of 0.1-5 MPa; separating the obtained reaction mixture so as to obtain the solid catalyst and a liquid mixture containing a reaction product, unreacted reactants and the solvent; carrying out separation and purification to obtain a product cyclohexenone, mixing residual mother liquor with reaction raw materials and then returning the mixture to the reactor. According to the invention, the used nonmetal catalyst is non-corrosive, environment-friendly, cheap, reusable, high in reaction selectivity, and good in activity.

The invention relates to the technical field of self-adaptive learning, and discloses a learner-centered self-adaptive learning system, which comprises an infrastructure support layer, a data resourcelayer, a core service layer and a visual presentation layer, wherein the infrastructure support layer is used for providing a development and operation environment, computing and storage resources and a data acquisition interface for the system; the data resource layer is used for providing data support and data archiving management service for the adaptive learning core business; the core business layer is used for realizing core business of adaptive learning; and the visual presentation layer is used for providing an input interface and output presentation for the system, providing visual interface service for self-adaptive teaching data retrieval and operation for a user and providing an operation and maintenance management service interface for system management. Students can be helped to construct a knowledge structure of the system, and learning efficiency is improved; teaching data service and teaching participation means are provided for teachers; and automatic generation anddigital asset conversion services of the domain knowledge model are provided for learning content service providers.

The invention relates to the technical field of chemical metallurgy, particularly to a method for distributively utilizing heat in a process of producing direct reduction iron by a dry quenching coupling shaft furnace. System heat in the method of the invention is provided by dry quenching recovery red coke sensible heat, methane-contained non-catalytic conversion reaction chemical heat, and stockgas generated by a vertical shaft, and all the stock gas is used as a system reducing agent, so that the increment of gas consumption and the reduction of use value caused by combustion heat supply of reduction gas are reduced. Moreover, the carbon-hydrogen ratio and temperature of burner gas are adjusted by supplementing system reduction gas and adding converted gas obtained by methane-containednon-catalytic conversion, so that the control of a reaction temperature in the shaft furnace is facilitated, the thermal agglomeration of burdens is reduced, and smooth implementation of a reductionreaction in the shaft furnace is guaranteed.

The invention discloses a calculation method for determining safety and optimization of a shaft lining. The method is technically characterized in that (1) a shaft is divided into a plurality of segments; (2) surrounding rock vertical stress at the lowermost end of each segment of the shaft is calculated; (3) surrounding rock horizontal pressure borne by the shaft lining at the lowermost end of each segment of the shaft is calculated; (4) maximum supporting force provided by each segment of the shaft lining is calculated; (5) the safety coefficient of each segment of the shaft lining is calculated; and (6) parameters of each segment of the shaft lining are adjusted and optimized. Through the calculation method for safety and optimization of the shaft lining, the current situation that shaft lining design depends on norms or experience is changed, segmented judgment and optimization are performed according to shaft depths, different lining optimization parameters are adopted for the shaft at different depths, and therefore the method is beneficial for saving cost and lowering construction cost. The method can also be applied to safety and optimization of an inclined shaft lining.

The invention relates to a wind power generating equipment with a production equipment for arc-light hydrogen carbon composition common fuels, which includes a wind power generating unit, a transformer connected with public electric network, an AC/DC conversion device, a production equipment for arc-light hydrogen carbon composition common fuels, a compressing device, a drying device, a gas turbine generator, a gas storage tank, a liquefaction device and a long-term gas storage tank; wherein the output end of the transformer connected with the wind power generating unit is connected with the AC/DC conversion device, the output end of the AC/DC conversion device provides electric power for the production equipment for arc-light hydrogen carbon composition common fuels, the gas output end of a production device for static hydrogen is connected with the gas turbine generator and the liquefaction device respectively after being processed in the compressing device and a drying device, the electricity output end of the gas turbine generator is connected with a public electric network via the transformer; the liquefaction device is communicated with the long-term gas storage tank via a bi-directional pipeline; the gas supply outlet of the liquefaction device is communicated with the gas supply outlet of the gas turbine generator. The invention resolves the problem of the wind power generating equipment such as week stability of output electricity.

The invention discloses a die back surface silicone printing encapsulation method, which adopts a die, a silicone layer and a substrate, and is used for carrying out thinning, silicone brushing, blue film adhering, cutting, die attaching and baking processes on the whole die. The die back surface silicone printing encapsulation method comprises the steps of thinning the back surface of the die, brushing the silicone on the back surface of the die, adhering the blue film on the back surface of the die, cutting the die, attaching the die and baking. The die back surface silicone printing encapsulation method is characterized in that: the die which is subjected to silicone brushing and blue film adhering on the back surface is cut into single die particles, the dependence of the die on the DAF film is changed, and direct material cost of die bonding is greatly reduced; and silicone layer cavities formed by uneven silicone dispersing process are avoided, reliability of the encapsulation technology is improved, and chip flatness after die bonding is increased, thereby being conductive to stabilizing a wire bonding process, reducing cost without increasing complexity of the processes, and improving bonding quality of the die and the substrate.

The invention discloses a tunneling machine. The tunneling machine comprises a heading machine body and a tightly supporting shield, wherein the heading machine body is connected with a propulsion oilcylinder, the tightly supporting shield is arranged in back of the propulsion oil cylinder and used for providing reaction thrust for the propulsion oil cylinder, and the outer side of the tightly supporting shield is provided with transition rings used for axially supporting duct pieces spliced on the wall of a tunnel to balance the axial load of the duct pieces. The tunneling machine has the advantages that during tunnel construction with better geological conditions, duct piece splicing is not performed on the wall of the tunnel, the tunneling machine still can achieve normal tunneling andstepping, the construction efficiency can be improved, and the construction cost is reduced; in a transition section between construction with duct pieces and construction without duct pieces, ring pieces of the transition rings can support the duct pieces under the support of a supporting mechanism to balance the axial load of the duct pieces so that the load of the duct pieces is balanced so asto keep stability. The provided construction method of the tunneling machine does not need to splice duct pieces on the wall of the tunnel in the same way, the normal tunneling and stepping can be achieved, the construction efficiency can be improved, and the construction cost can be reduced.

The invention discloses an overlay alignment mark and an overlay measuring method. By utilizing the overlay alignment mark provided by the invention, a clearance is existent between a front layer mark and a current layer mark in a first direction and a second direction vertical to each other. When performing overlay measurement, through measuring the distance between the front layer mark and the bottom of the current layer mark in the first direction and the second direction, and then subtracting a predetermined distance from the measured distance, to obtain the offset. With the distance measurement, the dependency on an overlay table in the prior art is changed, the problem that the capture of boundary signal of the overlay table is inaccurate when the current layer mark is too thick is avoided, and therefore the measurement accuracy is improved.

The invention relates to an asymmetry arch rail sunlight greenhouse system special for fruit trees and a construction method of the asymmetry arch rail sunlight greenhouse system. The asymmetry arch rail sunlight greenhouse system comprises a greenhouse. The greenhouse comprises a greenhouse body and side walls arranged at the two ends of the greenhouse body. Asymmetry arches are arranged on the outer portion of the greenhouse body. The greenhouse body comprises a plurality of greenhouse frameworks arranged side by side, and transverse pull rods arranged at equal intervals. Each greenhouse framework comprises an upper chord, a lower chord and connection rods, wherein the upper chord and the lower chord are fixedly connected through the connection rods. The transverse pull rods are fixedly connected with the lower chords. A plastic thin film and a heat preservation rear wall are arranged on the outer surface of the greenhouse body. By means of the asymmetry design of the greenhouse body, the sun incidence angle is improved to the maximum degree, more optical energy and heat energy are absorbed, the requirements of crop physiology for illumination and temperature are met, and the asymmetry arch rail sunlight greenhouse system is particularly suitable for out-of-reason production of the fruit trees. The facility input cost is greatly saved, the asymmetry arch rail sunlight greenhouse system is suitable for operation of enterprises and individuals, and the input-output ratio of out-of-season production is increased.

The invention provides a multi-backup uninterrupted network broadcast cloud audio transmission system, which is used for solving the problem that a wired network broadcast audio transmission network can interrupt transmission under the conditions of network disconnection and power failure. The system comprises a wired network broadcast audio mainboard for providing an audio signal; a wireless cellular communication cloud streaming media mainboard which is connected with the cloud audio streaming media server and receives a cloud network audio signal; a backup automatic switching module, wherein a constant-voltage audio signal is backed up in the backup automatic switching module, and the backup automatic switching module is connected with the wired network broadcast audio mainboard and thewireless cellular communication cloud streaming media mainboard, and selects and outputs one of an audio signal sent by the wired network broadcast audio mainboard, an audio signal sent by the wireless cellular communication cloud streaming media mainboard and a backup constant-voltage audio signal in the backup automatic switching module; a audio signal output interface which is connected with the backup automatic switching module and outputs an audio signal to the loudspeaker; and a power supply module which supplies power to the system.

The invention discloses a novel beer preparation process. Mixtures of soybean peptide and carbohydrate serve as beer raw materials, and the novel beer preparation process comprises the following steps: 10, mixing the beer raw materials with water for preparing a liquid mixture; 20, adding hops to the liquid mixture, and conducting boiling for a period of time; 30, filtering away thermal coagula generated in the liquid mixture obtained after boiling, and then conducting cooling; 40, injecting the liquid mixture which is cooled into a fermentation tank, introducing beer yeast for conducting fermentation, controlling the fermentation degree of the fermentation raw materials within the range from 60% to 75%, and obtaining beer. According to the novel beer preparation process, soybean peptide and various carbohydrate are used for substituting carbon sources and nitrogen sources in malt, the situation of dependence on malt in the beer industry at present can be changed, the novel preparation process is designed out according to raw material characteristics, so that beer production cost is remarkably lowered, in addition, quality of the beer which is produced out can be guaranteed, mouthfeel is pure, and obvious beer fragrance is obtained.

The invention relates to the field of petrochemical gas treatment, and discloses an alkali liquor oxidation regeneration tail gas cleaning treatment and reutilization method and system. The method comprises the steps that a, tail gas of an alkali liquor oxidation regeneration tower passes through an adsorption tank containing an adsorbent from bottom to top, N2, H2O and hydrocarbon in the tail gasare removed, and oxygen extraction concentrated gas is obtained; b, the oxygen-extracted concentrated gas is subjected to settling separation by an oxygen-extracted concentrated gas liquid separationtank to obtain liquid, and the liquid is boosted by a supercharger and sent to a gas cooler for cooling; c, the cooled oxygen extraction concentrated gas is mixed with external factory air in a mixerto obtain mixed gas; d, the mixed gas is returned to an air inlet in the lower part of the alkali liquor oxidation regeneration tower through an on-line analyzer; and e, when the adsorption of the adsorbent in the adsorption tank is saturated, the adsorption tank is desorbed, and desorbed gas is sent to a gas cabinet gas collection header pipe. By adopting the method and the system, the situationthat alkali liquor oxidation regeneration tail gas treatment seriously depends on combustion treatment of an incinerator or a heating furnace can be changed, and clean production and flexible arrangement are realized.

A glycerin aromatization method is disclosed. The method is characterized in that glycerin is adopted as a raw material and is mixed with one or more selected from water, methanol, ethanol, isopropanol or isobutanol according to a certain ratio; the mixture is heated, gasified and fed into a fixed bed reactor filled with a catalyst; the catalyst adopts one of ZSM-5, SBA-15, ZSM-22, MCM-41 or MCM-22 zeolite as a carrier and adopts one or more selected from zinc, gallium, copper, tin, platinum or molybdenum as active component(s); an aromatization reaction is performed at 300-500 DEG C under 0.01-5.0 MPa with the weight hourly space velocity being 0.01-10.0 h<-1>; a liquid product obtained by condensation and separation after the reaction mainly comprises light aromatic hydrocarbons (benzene, toluene and xylene); the raw material conversion ratio is 95-100%; and the yield of BTX aromatic hydrocarbons is 30-70%. The raw material of the process is cheap, easily available, and rich in source. The whole process is reasonable. The method is low in environment pollution, high in raw material conversion ratio and high in product yield.

The invention discloses an anti-interference transformer partial discharge positioning method and device based on sound pressure. According to the device, whether a sound source comes from the insideof a transformer is judged by utilizing sound pressure information of internal and external sensors, and when the sound source is judged to come from the inside of the transformer, the partial discharge position is judged through the sound pressure value of the built-in sensor group. According to the method, based on a sound pressure-distance model, the occurrence position of partial discharge isroughly judged according to received information of a sound pressure sensor, a sound pressure-distance equation set is established through the position of the sensor and sound pressure information, and the partial discharge position is solved through a simulated annealing algorithm to obtain the specific position of partial discharge. The sound pressure-distance model provided by the invention ishigh in positioning precision, can resist the interference of external sound waves, and avoids the impact on positioning from the refraction and reflection of the sound waves in the transformer.

The invention provides a light-weight explosion-proof energy storage power cable and belongs to the technical field of power cables. The light-weight explosion-proof energy storage power cable comprises a cable core and a sheath layer, wherein the cable core is composed of two cores. The light-weight explosion-proof energy storage power cable is characterized in that the light-weight explosion-proof energy storage power cable is provided with an energy storage element, each core is composed of a conductor and an electrode layer wrapping the outer layer of the conductor, an electrolyte layer is arranged outside the cable core, a crosslinked polyethylene insulating layer is extruded out of the electrolyte layer, a protective layer is arranged outside the crosslinked polyethylene insulating layer, the sheath layer made from high-performance halogen-free low-smoke flame-retardant polyolefin is arranged outside the protective layer, and the electrolyte layer and the electrolyte layer form the energy storage element. The light-weight explosion-proof energy storage power cable is made of a light-weight material, is light in whole structure weight, capable of saving energy and storing energy quickly and conveniently, long in service life, wide in application field, safe and reliable in quality and high in corrosion resistance, adopts high-temperature explosion-proof design and can be used in various severe environments.

The invention discloses a disc type sword bean sheller, which comprises a frame, a feed hopper, a vibrating bed, a vibrating motor, shock-absorbing springs, a conical disc shelling mechanism, a main drive mechanism, a vibration separating screen and a collection box. The disc type sword bean sheller can be used for batch shelling of sword bean pods of different varieties, shapes and sizes, one-time shelling rate is high, breakage rate of shelled kernels is low, and the disc type sword bean sheller is simple in structure, low in cost and high in market feasibility.

The invention discloses an environmentally-friendly factory facility and method for the factorization production of food and vegetable. In order to solve the ever-increasing grain requirement, change the dependence on farmlands by agricultural production, get rid of severe influence on the production by adverse natural factors and truly realize the wish of the factorization production of crops, the invention provides an environmentally-friendly factory facility and method for the factorization and assembly line production of food and vegetable. The facility consists of a vinyl house, a production assembly line in the vinyl house, an underground rainwater collection pool system of the vinyl house, a biogas digester and a subsequent processing and machining facility.

The invention relates to the technical field of power automation, especially to an intelligent detection system and method for a current temperature signal. The intelligent detection system is composed of a current temperature sensor, a transmission fiber, and a fault indication host. The current temperature sensor consists of a coil sampling loop, a processing control unit, a current memory unit, a comparator, an adding device, and a photovoltaic conversion. A current temperature signal is transmitted by one fiber. When a digital signal is transmitted by a fiber, the interference from any clutter like electromagnetism or radio frequency is avoided and the fault detection accuracy is improved. Because of fiber application, the damage on the fault indication host and the threat on the personal safety by one-time link leakage can be eliminated. With the current memory unit, the comparator, and the adding device, the operating line is monitored by using an adaptive algorithm, so that a problem of wrong reporting faults for closing, a surge current, an instantaneous heavy current according to an original calculation method can be solved. The system power consumption is reduced.

The invention relates to a multifunctional cooking device, and the device comprises a housing, a control circuit board and an electromagnetic wire coil, wherein the control circuit board and the electromagnetic wire coil are located in the housing. The electromagnetic wire coil is electrically connected with the control circuit board, and the control circuit board comprises a pan detection unit and a heating control unit. The housing is provided with a panel which allows heat to pass. The panel is provided with an electric heating film which allows the magnetic field of the electromagnetic wire coil to pass, and the electric heating film is set to be corresponding to a heating region of the electromagnetic wire coil. The electric heating film is electrically connected with the control circuit board. The heating control unit sequentially controls the electric heating film and the electromagnetic wire coil to work independently through signals of the pan detection unit. Therefore, a user can place any type of pans on the device to cook food, thereby greatly improving the adaptability of an electromagnetic heating device, and changing the dependence of electromagnetic heating products on the pans.

The invention discloses a circuit structure for on-board microwave transceiving modules. The circuit structure comprises a microstrip board and a plurality of layers of printed circuit boards; the printed circuit boards are disposed under the microstrip board layer by layer; each printed circuit board is provided with a plurality of ground holes; the ground holes of every two adjacent printed circuit boards correspond to one another. The invention further discloses a manufacturing method of the circuit structure. The circuit structure has good performances and is easy to manufacture and low in manufacturing cost.

The invention relates to a method for preparing gyphosate solution from glyphosate raw material, comprising the following steps of: preparing materials according to 30% of gyphosate solution per ton, and feeding raw material comprising glyphosate of 95% of 320 kg; then taking deionized water of 160 L as a solvent, dropping industrial ammonia water with a concentration of 15% to 25% in stirring condition, and controlling the temperature between 35 DEG C and 60 DEG C for about half an hour; and then preserving the temperature between 50 DEG C and 65 DEG C for one hour, regulating the Ph value of the product to a scope of 6.5 to 7.0 when the reaction is ended, feeding ammonium sulfate of 50 kg as a solubilizer and a synergist, feeding glycine ethyl ester hydrochloride of 40 kg as an assistant, and finally feeding an industrial general pigment and diluting by using deionized water so as to obtain a gyphosate solution product with an active ingredient content of 30%. Compared with conventional method, the method provided by the invention has the advantages that the production device is simple, the reaction conditions are easy to be controlled, the security is high, the energy consumption is low, the yield is high, the three wastes are less and are easy to be treated, the economic benefit is obvious, and the method is suitable for the production of enterprises.