43results about How to "Adjust load" patented technology

The invention belongs to the technical field of a structured catalyst and an application thereof, in particular to a porous carborundum surface single-layered and b-axis oriented ZSM-5 zeolite coating material and a preparation method thereof. Foamy carborundum or honeycomb structured carborundum is taken as a carrier, wherein a porous layer which is composed of overlapped carborundum grains is formed on the outer surface of the carrier; a zeolite coating layer is uniformly formed in the zeolite coating; the zeolite coating layer has a single-layer structure; and a b axis of a zeolite crystalis vertical to the surface of the carborundum carrier. The preparation method comprises the following steps: growing a layer of seed crystal colloid in situ on a carborundum ceramic surface in advance; controlling the basicity of a secondary growing solution, the concentration of nutrient substances and an added quantity of alkali metallic ions; and realizing the controllable growth of zeolite crystal on the surface of the carborundum carrier. The channel of the structured catalyst is opened; the molecular diffusion property is excellent; a specific surface area and a load are bigger; a contact area between the zeolite crystal and the carborundum carrier is big; the strengthened mass transfer and heat transfer are boosted; and the contact time among the reactant, the reaction product and the catalyst is shortened.

The invention discloses a preparation method of a vanadium compound electrode material and application of the vanadium compound electrode material in an aqueous zinc ion battery. The method comprisesthe following steps: dispersing a vanadium compound into a water solvent; performing maintaining for 2 to 120 hours at a temperature of 100 to 200 DEG C; performing cooling to room temperature, performing washing and drying to obtain a vanadium compound active material; mixing the obtained vanadium compound active material with a conductive adhesive according to a mass ratio of (6-9): (4-1) to prepare a slurry, immersing a current collector into the slurry, taking out the current collector, performing drying, and repeating the immersing and drying processes for 10-30 times to obtain a vanadiumcompound electrode material; and taking the obtained vanadium compound electrode material as a positive electrode material, taking a Zn foil as a negative electrode, and preparing the aqueous zinc ion battery from the vanadium compound electrode material and a battery electrolyte. By utilizing the conductive adhesive and the three-dimensional current collector, the conductivity of the electrode is improved, the unit area loading capacity of an active material on the electrode is improved, and the electrochemical performance of the aqueous zinc ion battery is improved.

The invention discloses a method for preparing an iron phthalocyanine-graphene porous composite material. The iron phthalocyanine is dissolved into absolute ethyl alcohol, and fully dissolved by ultrasonic, wherein the concentration range of the iron phthalocyanine is 0.1-0.4mg mL<-1>; the graphene porous composite material is ultrasonically soaked in the prepared solution for 0.5-1.5h; and the soaked graphene porous composite material is taken out and dried to obtain the iron phthalocyanine-graphene porous composite material. According to the method, the graphene porous composite material has a good porous structure and a large surface area, so that iron phthalocyanine can be better contacted with graphene; the iron phthalocyanine is loaded to the surface and the hole wall surface of the graphene porous composite material through a simple impregnating method, so that the experimental procedures are greatly simplified; a more convenient and faster operation, and a stable process are realized; and the preparation complexity and preparation cost of the material are effectively lowered.

The present invention discloses a method for constructing a terpyridyl ruthenium electrochemiluminescence sensor from a graphene porous material. The method is as below: first, reducing graphene oxide composite material freeze-dried graphene three-dimensional porous material (porous graphene, PGR) by high-temperature; fixing terpyridyl ruthenium (Ru(bpy)3<2+>) to a PGR modified glassy carbon electrode by using Nafion ion exchange effect; and successfully applying the sensor to detection of tripropylamine. The linear range is 1*10<-6> to 1*10<-4>M, and the test line is 1*10<-9>M. The sensor has excellent stability and repeatability.

The invention provides a method of preparing a ruthenium nano-particle catalyst with cucurbit urils and reduction-oxidation graphene serving as common carriers in a synthesis mode, and the catalyst is used for catalytic synthesis of an aromatic sulfamide compound. The chemical component of the nano-particle catalyst is ruthenium, cucurbit urils and reduction-oxidation graphene, cucurbit urils and reduction-oxidation graphene serve as the common carriers, reduction-oxidation graphene is effectively prevented from agglomerating by means of the electrostatic interaction and volume effect of cucurbit urils, and the prepared ultra-small Ru nano-particles are uniform in particle size and are dispersed evenly. The prepared nano-particle catalyst is high in catalytic activity and stability and capable of efficiently catalyzing a sulfamide and aromatic alcohol reaction to prepare the aromatic sulfamide compound. The catalyst can be repeatedly used while activity is not reduced obviously. The method has the advantages of being simple in synthesis, convenient to operate, wide in application range, mild in preparation condition, simple and low in cost, and special equipment is not needed.

The invention discloses an electrostatic discharge protection circuit which is provided with a resistor and at least one protective transistor. The resistor is coupled between an output/input signal node and an internal node of an internal circuit, the protective transistors are connected between a voltage node and the internal node in serial, and grid electrodes of the protective transistors are coupled with drain electrodes thereof. Voltage of the electrostatic discharge protection circuit when triggered and conducted can be reduced effectively, capacitive load on signal windings can be decreased, and application efficiency of arrangement area can be increased.

The present invention relates to compressors including a compression mechanism whose volume can be changed by partially ejecting, through a bypass passage, refrigerant in a compression chamber. The area of an opening of the bypass passage formed in a compression chamber is sufficiently ensured. A compressor (20) includes a low-stage side compression mechanism (40a) having a low-stage side cylinder (41a) and a low-stage side piston (47a) and configured to compress refrigerant in the low-stage side cylinder (42a). The low-stage side compression mechanism (40a) is provided with a bypass passage (66) whose upstream end is opened to a low-stage side cylinder chamber (42a) and through which refrigerant is partially ejected from the low-stage side cylinder chamber (42a) so as to be returned to a suction side of the low-stage side compression mechanism (40a). The cross section of the upstream end of the bypass passage (66) is elongated circumferentially about a rotational axis (X).

The invention relates to application of a unary linear regression frequency measurement algorithm in a direct-current charging machine. The application comprises the steps of detecting a signal zero crossing point position and carrying out unary linear regression analysis on a signal value near the zero passing point so as to obtain an intercept of the signal on a time axis coordinate to serve asa signal zero passing point time value. By applying the method, the phenomena of quite long filtering time and unstable measurement results caused by harmonic waves, noise and interference of an electric power system in the traditional zero passing point detection method are avoided; frequency calculation precision is improved; the method is not sensitive to accuracy of the zero passing point positions of the actual signal, and the algorithm detection processes are simplified; through the designed integrated direct-current charging machine, output power can be adjusted in real time according to frequency fluctuations of a power grid input source, so an effect of adjusting load of the power grid is achieved; and the application of the algorithm is very important in stabilization and balancing of power generation and the load.

The invention provides a solid particle heat exchange system for a fluidized bed, and belongs to the field of heat exchangers. The solid particle heat exchange system for the fluidized bed comprises afluidized bed heat exchanger, an air supply part and a reflux part; the air supply part comprises an air supply pipeline which is provided with a heat; the air supply pipeline is provided with a first air inlet end, a first air outlet end and an air mixing section positioned between the first air inlet end and the first air outlet; the reflux part comprises a reflux pipeline; the reflux pipelineis provided with a second air inlet end and a second air outlet end; the first air inlet end is connected with a fresh air inlet; the first air outlet end communicates with a fluidizing air inlet of the fluidized bed heat exchanger; a fluidizing air outlet of the fluidized bed heat exchanger communicates with the second air inlet end; the second air outlet end is connected with the air mixing section; and the air mixing section is used for mixing the gas introduced from the first air inlet end and the gas flowing out from the second air outlet end. Preheating and temperature rising of the fluidized bed heat exchanger and prepacking can be completed effectively, so that high-temperature particles are prevented from entering the fluidized bed heat exchanger to affect the service life of theheat exchanger because of rising temperature too fast.

The invention relates to an old community orderly charging method and device based on an intelligent electric meter. The device comprises charging equipment, wherein the charging equipment comprises a power supply control module, a leakage current protector and a Bluetooth module, the power supply control module is connected with the Bluetooth module, and the power supply control module communicates with the intelligent electric meter through the Bluetooth module. According to the invention, the charging state of the automobile battery is adjusted according to the charging characteristics of the battery, the access quantity of ordered charging is improved by adopting a first-coming first-service multi-limit and less-supplement mode, meanwhile, the problem of residential electricity consumption is fully considered in ordered charging in the community, ordered charging is carried out on time according to needs under the condition that the residential electricity consumption is not affected, and the user experience of residents and automobile charging is ensured.

The invention discloses a millimeter wave filtering frequency-selecting assembly, and the assembly comprises: a first single-pole N-throw switch which receives a millimeter wave signal and outputs themillimeter wave signal through one non-fixed output port; a filter bank which comprises N-1 dielectric filters which are connected in parallel between the two switches, wherein the millimeter wave signal output by the first single-pole N-throw switch is filtered by using a corresponding dielectric filter to output a filtered signal; and a second single-pole N-throw switch which receives the filtering signal through one non-fixed input port and outputs the filtering signal through the output port. Each of the first single-pole N-throw switch and the second single-pole N-throw switch comprisesa multi-coupling coil circuit and a transistor control circuit, port isolation is realized by utilizing the multi-coupling coil circuit, and a port load is adjusted by utilizing a load switching technology; and the first single-pole N-throw switch is provided with a fixed output port connected with a 50-ohm load, and the second single-pole N-throw switch is provided with a fixed input port connected with the 50-ohm load. According to the invention, low out-of-band rejection, low insertion loss and high isolation can be realized.

The invention discloses a load changing tool which comprises at least two loads, a carrier and an extraction device. The carrier is used for bearing loads, and for any load, at least part of the structure of the carrier is made of metal; electromagnets are arranged on the loads, when the electromagnets are powered on, the two adjacent loads can be attracted and connected together, and after the electromagnets are powered off, the two adjacent loads can be separated; when the load of the carrier is changed, redundant loads are adsorbed together, then the redundant loads are taken away through the extracting device, adjustment of the load on the carrier can be completed, the structure is simple, and operation is convenient. The invention further discloses a shock absorber testing device which comprises the load changing tool and the shock absorber. The shock absorber is arranged on the carrier and is used for bearing a load; or, the carrier is arranged on the shock absorber, and the shock absorber is used for bearing the carrier and the load; the load of the shock absorber can be easily adjusted by using the load changing tool, so that the performance of the shock absorber under different load conditions can be conveniently tested.

The invention relates to an over-voltage protection arrangement comprising a horn gap (1) located in an insulating housing having a deionization chamber (4) for arc extinguishing, wherein the deionization chamber has a plurality of extinguishing plates (9), which are spaced apart from each other, and a trigger electrode (7) is located in the ignition region of the horn gap, wherein a disconnectingdevice has a fuse element (8), which is located in the region of the deionization chamber, and is subjected to a load there caused by power follow current, wherein the fuse element holds a, preferably spring force supported, disconnecting element (15) in a first position and releases said disconnecting element upon melting, such that the disconnecting element assumes a second position, wherein, upon the second position being reached, an electrical connection to the trigger electrode (7) is interrupted and the trigger electrode is thus disconnected.

The invention discloses a method for determining a parameter threshold in a search service and related equipment. The method for determining the parameter threshold in the search service comprises thesteps: obtaining the performance data of a search server in a process of providing the search service in real time; determining a performance index corresponding to the performance data; comparing the performance index with a preset performance index, and generating a first parameter threshold of a target search parameter when a comparison result meets a preset condition; sending the first parameter threshold of the target search parameter to the search server, wherein the search server provides a search service according to the first parameter threshold of the target search parameter. According to the method, the first parameter threshold value of the target search parameter is associated with the real-time performance data of the search server in the search service to realize dynamic change, so that the load of the search server can be effectively adjusted, the change of the parameter threshold value is completely automatic, the process is simple, and the maintenance is easy.

The invention provides a rotational flow ultralow NOX gas burner. The rotational flow ultralow NOX gas burner comprises a burner shell, a primary gas inlet component, a flue gas and air mixed gas inlet component and an igniter; the burner shell is of a cylindrical barrel structure, one end of the burner shell is a gas inlet, and the other end of the burner shell is a gas outlet; the primary gas inlet component comprises a primary gas pipeline coaxial with the burner shell, cyclone blades, combustion stabilizing baffles and a primary gas nozzle, the cyclone blades, the combustion stabilizing baffles and the primary gas nozzle are sequentially arranged on the primary gas pipeline in the gas conveying direction, and the primary gas nozzle is arranged at the end of the inserting end of the primary gas pipeline, the primary gas nozzle is used for spraying primary gas into a gas boiler, and the multiple cyclone blades and the multiple combustion stabilizing baffles are annularly and obliquely arranged along the outer side wall of the inserting end of the primary gas pipeline. The rotational flow ultralow NOX gas burner is simple in structure and ingenious in design, the temperature of the local high-temperature position of flame in combustion can be effectively reduced, generation of NOX is effectively reduced, and therefore the emission amount of nitric oxide can be effectively reduced.