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46results about How to "Meet energy requirements" patented technology

Recovering system and method of C2 in refinery dry gas by compound adsorption method

The invention provides a recovering system and a method of C2 in refinery dry gas by a compound adsorption method. The recovering system comprises a compressor, a pretreatment unit, a refinery dry gas cooling unit, a compound adsorption unit and a rectification unit. The adsorption unit comprises a gas-liquid separating tank, a C2 adsorption tower, and a methane desorption tower. The rectification unit comprises a C2 removing tower and an ethylene rectification tower. The refinery dry gas, after being compressed, pretreated and cooled, is subjected to gas-liquid separation to obtain a gas phase and a liquid phase. The gas phase is fed into the C2 adsorption tower and subjected to C2 adsorption by using a C4 mixture or a C5 mixture as an absorbent. The liquid phase is fed into the methane desorption tower, and subjected to methane desorption through stripping. The mixed adsorption oil at the bottom of the C2 adsorption tower and desorption gas at the top of the methane desorption tower are returned to the gas-liquid separation tank after being mixed and cold with the refinery dry gas. Tower bottom of the methane desorption tower is cooled and fed into the C2 removing tower and the ethane rectification tower to be rectified to obtain an ethylene product and an ethane product. The method provided by the invention adopts moderate operating conditions. The ethylene and the ethane both have the high recovering rate and the high purity.
Owner:CHINA PETROCHEMICAL CORP +1

Reset type SMA piezoelectricity-friction mixed damper

The invention relates to a reset type SMA piezoelectricity-friction mixed damper, comprising a damper box, wherein a piezoelectric ceramic actuator box with a piezoelectric ceramic actuator is arranged in the damper box, a vertical left sliding plate is arranged on the left side of the piezoelectric ceramic actuator box, a vertical right sliding plate is arranged on the right side of the piezoelectric ceramic actuator box, the upper end and the lower end of the left sliding plate stretch out from a left chute in the damper box, the upper end and the lower end of the right sliding plate stretch out from a right chute in the damper box, and an SMA wire is connected between the left sliding plate and the right sliding plate outside the damper box; reset springs are arranged between the left side wall of the damper box and the left sliding plate and between the right sliding plate and a fixed baffle in the damper box; and an actuating rod sequentially passes through the left side wall of the damper, the left sliding plate, the piezoelectric ceramic box, the right sliding plate and the fixed baffle to be fixed with the left sliding plate and the right sliding plate by a left clamping ring and a right clamping ring on the actuating rod. The damper is simple in structure, convenient to process, strong in energy dissipating capability, and good in control effect, and can be effectively applied to the field of energy dissipation and seismic mitigation.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Flexible water-based sodium-ion batteries and preparation method thereof

The invention belongs to the technical field of energy storage devices, and in particular relates to flexible water-based sodium-ion batteries and a preparation method thereof. The flexible water-based sodium-ion batteries take sodium manganate as a positive active material and carbon-coated sodium-titanium phosphate as a negative active material; the flexible water-based sodium-ion batteries with excellent electrochemical performance are prepared from the sodium manganate and the carbon-coated sodium-titanium phosphate according to an appropriate mass ratio; the two types of flexible water-based sodium-ion batteries are a two-dimension band-shaped flexible water-based sodium-ion battery and a one-dimensional thread-shaped flexible water-based sodium-ion battery. The band-shaped flexible water-based sodium-ion battery takes soft stainless steel as a current collector; the thread-shaped water-based sodium-ion battery enables the active materials to be rolled into an orientation carbon nano tube (CNT) to prepare composite fibers, and the CNT is used as a current collector and a conductive additive at the same time, so that the mass and volume of the battery are reduced, the flexibility of the battery is improved, and the thread-shaped water-based sodium-ion battery is easy to weave and integrate. The two-dimension band-shaped flexible water-based sodium-ion battery and the one-dimensional thread-shaped flexible water-based sodium-ion battery have excellent electrochemical performance, and have the advantages of being light in mass, low in cost, high in flexibility and safety, environmental-friendly, and the like, thus providing possibility for the application in the field of wearable electronic devices. The thread-shaped flexible water-based sodium-ion battery can even be implanted in a human body for assisting health monitoring and treatment of diseases.
Owner:FUDAN UNIV

Micromolecule organic solar energy battery materials based on a heterocycle containing boron and nitrogen and a preparation method thereof

Micromolecule organic solar energy battery materials based on a heterocycle containing boron and nitrogen and a preparation method thereof are disclosed. The synthetic route includes (1) synthesizinga center structure containing a boron-nitrogen unit, (2) introducing a bridging unit through a Stille coupling reaction, and (3) introducing an electron withdrawing group through Knoevenagel condensation. The general structure formula of the materials is M, wherein Ar is an aromatic cyclic substitute, A is the electron withdrawing group, and Pi is the bridging unit. The materials (shown as M) havegood planarity, belong to a rare wide-band-gap donor structure and have a huge application prospect in the field of solar energy batteries, especially active layers.
Owner:SOUTH CHINA UNIV OF TECH

SMA (shape memory alloy) bar assembled self-resetting damper

PendingCN108316507AGood Plastic Energy DissipationSolve the problems of complex structure, poor reset ability and low durabilityProtective buildings/sheltersShock proofingAgricultural engineeringShape-memory alloy
The invention discloses an SMA (shape memory alloy) bar assembled self-resetting damper, belonging to the field of buildings. The damper comprises a first restraining plate, a second restraining plate, a bottom plate, a core plate, an upper cover plate, a lower end plate, SMA bars and a dissipative cell; the lower ends of the first restraining plate and the second restraining plate are fixedly connected with the bottom plate, ribbed angle steel plates are fixedly arranged at the inner sides of the first restraining plate and the second restraining plate, and a connecting plate is fixedly arranged at the lower surface of the bottom plate; the core plate is located between the first restraining plate and the second restraining plate, an upper driving block and a lower driving block are fixedly arranged on the core plate, the upper cover plate penetrates the core plate and is located above the first restraining plate, the second restraining plate and the upper driving block, the lower endplate penetrates the core plate and is located below the lower driving block and the two ribbed angle steel plates, and the SMA bars penetrate the upper cover plate and the lower end plate and are fixed; the dissipative cell is located between the first restraining plate and the second restraining plate and is fixed. The SMA bar assembled self-resetting damper, provided by the invention, has highshock resistance and high stability, and ensures the energy dissipation and self-resetting ability of the SMA bars under the two states of pulling and pressing.
Owner:SHANDONG UNIV

Shearing type staged yield metal damper

The invention provides a shearing type staged yield metal damper which solves the technical problems that an existing metal damper can not meet the requirements for wind vibration, small shock and large shock energy consumption at the same time, and is inconvenient to install and maintain. The metal damper structurally comprises two steel flange plates arranged in parallel, a first rectangular energy consumption steel plate and a second rectangular energy consumption steel plate, wherein the first rectangular energy consumption steel plate and the second rectangular energy consumption steel plate are fixedly arranged between the two steel flange plates. The first rectangular energy consumption steel plate and the second rectangular energy consumption steel plate have different kinds of yield strength. Steel side wing plates needed by the first rectangular energy consumption steel plate and the second rectangular energy consumption steel plate are arranged between the two steel flange plates. According to the metal damper, the two rectangular energy consumption steel plates with the different kinds of yield strength are adopted as the core energy consumption parts of the yield metal damper, under the conditions of wind vibration, small shock and the large shock, the corresponding energy consumption requirements can be met, the structure is simple and easy to realize, and the metal damper is more convenient to install compared with the prior art.
Owner:YUNNAN QUAKESAFE SEISMIC ISOLATION TECH

A system and method for recovering carbon dioxide in refinery dry gas by combined absorption method

The invention provides a recovering system and a method of C2 in refinery dry gas by a compound adsorption method. The recovering system comprises a compressor, a pretreatment unit, a refinery dry gas cooling unit, a compound adsorption unit and a rectification unit. The adsorption unit comprises a gas-liquid separating tank, a C2 adsorption tower, and a methane desorption tower. The rectification unit comprises a C2 removing tower and an ethylene rectification tower. The refinery dry gas, after being compressed, pretreated and cooled, is subjected to gas-liquid separation to obtain a gas phase and a liquid phase. The gas phase is fed into the C2 adsorption tower and subjected to C2 adsorption by using a C4 mixture or a C5 mixture as an absorbent. The liquid phase is fed into the methane desorption tower, and subjected to methane desorption through stripping. The mixed adsorption oil at the bottom of the C2 adsorption tower and desorption gas at the top of the methane desorption tower are returned to the gas-liquid separation tank after being mixed and cold with the refinery dry gas. Tower bottom of the methane desorption tower is cooled and fed into the C2 removing tower and the ethane rectification tower to be rectified to obtain an ethylene product and an ethane product. The method provided by the invention adopts moderate operating conditions. The ethylene and the ethane both have the high recovering rate and the high purity.
Owner:CHINA PETROCHEMICAL CORP +1

DC converter valve restoration period transient forward voltage test method

The invention discloses a method for testing instantaneous forward voltage in a dc converting valve recovering period, which belongs to the power electronics and electric system field, and comprisesfollowing steps: taking a specimen valve VT as a back to back 6 impulse bridge whose one bridge arm is connected with a high pressure little current source circuit, connecting in series impulse voltage generators on two ends of the VT, connecting with a circuit which is connected in parallel between an auxiliary valveV1 and a low-pressure large electric current source, and adding a pulse trigger into the circuit in a testing period. A time sequence process comprises following steps:, t0-t1, controlling the 6 impulse bridge to trigger an angel alpha, operating in inversion, triggering and conducting valve VT and valve V1 through t1time, introducing a half wave direct current, a zero-crossing half wave current t2 which is from a large electric current circuit, switching off the V1, t2-t3, switching off the V1, wherein a little electric current of a valve arm which contains the VT transverses through the specimen valve, zero-crossing and switching off t3 and VT, providing specimen voltagethrough a high pressure little current source back to back circuit, t3-t4, and loading the impulse voltage on the specimen valve. The method can satisfy an energy taking requirement for the specimenvalve and have wide specimen range and good equivalence.
Owner:CHINA ELECTRIC POWER RES INST +1

Electric spark vibration source excitation method and vibration source setting method

The application provides an electric spark vibration source excitation method and a vibration source setting method. The method comprises the following steps: geological data of an object exploration area is obtained, an optimal excitation depth is determined according to a geological data analysis result, drilling operation is conducted in the object exploration area, depth of a drilling well is not less than the optimal excitation depth, an electrode gun head of an electric spark vibration source is plugged into a position of the optimal excitation depth in the drilling well, water liquid of a specified content is injected, an electric spark vibration source excitation well is formed and then excited, and artificial seismic waves are picked. According to all embodiments of the electric spark vibration source excitation method and the vibration source setting method, large vibration energy can be obtained via vibration source excitation, environment requirements for seismic exploration construction can be satisfied, seismic exploration requirements for energy intensity during electric spark vibration source excitation processes can be satisfied, a signal to noise ratio of seismic data can be provided, damage caused to an earth surface can be effectively reduced, the electric spark vibration source excitation method and the vibration source setting method can be well applied to marsh and transition belt zones, and exploration and construction problems of those zones can be effectively solved.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Hydraulic two-stage oil source for supplying energy through two-stage energy accumulator

The invention relates to the technical field of robots, and discloses a hydraulic two-stage oil source for supplying energy through a two-stage energy accumulator. The hydraulic two-stage oil source comprises the energy accumulator, a switching valve A, a switching valve B, a constant displacement pump and an overflow valve. The energy accumulator comprises a high-pressure energy accumulator bodyand a low-pressure energy accumulator body. Through the arrangement of the high-pressure energy accumulator body and the low-pressure energy accumulator body, the degrees that gas is compressed in theoil charge process and the oil drainage process are different, and the oil pressure in the energy accumulator changes constantly; when the working cycle of the energy accumulator is smaller than 3 min, it can be considered that the energy accumulator works under the adiabatic condition; when the energy accumulator serves as an auxiliary power source, the inflation pressure should be lower than 90% of the lowest work pressure and higher than 25% of the highest work pressure, at this moment, the pressure change range in the energy accumulator does not exceed 20% of the work pressure, and the energy supply requirement of a hydraulic drive unit is met; and in the process that the energy accumulator stores and releases energy, less energy is lost, the requirement of a quadruped robot hydraulicsystem for energy consumption is completely met, and reasonable parameter selection is achieved.
Owner:ARMOR ACADEMY OF CHINESE PEOPLES LIBERATION ARMY +2

Cold-resistant rare earth energy storage power source package for communication base station

The invention belongs to the technical field of battery grouping, in particular to a cold-resistant rare earth energy storage power source package for a communication base station. The power source package comprises a battery box divided into upper and lower layers, wherein battery packets are respectively distributed in the two layers and connected in series, the battery packets comprise a box body, a top cover and a side top fastening component, batteries are arranged in parallel in the box body, adjacent batteries are connected in series in sequence, partitions are arranged between adjacentbatteries, an insulation plate is arranged between the top cover and the top of the batteries, the top of the top plate is provided with a plug socket that is provided with a plug hole, one of the battery packs leads a total positive pole and a total negative pole that are respectively connected to the plug connectors through inner connecting wires and the plug connectors are respectively installed in the plug hole. 10-100kWh series energy packs can be provided to meet the energy requirements of various communication base stations, and lead-acid batteries can be completely replaced to improvethe reliability of communication base stations. The batteries adopt a small package group structure, which is naturally radiated to dissipate heat, and is easy to install and disassemble.
Owner:包头昊明稀土新电源科技有限公司

A reset type sma piezoelectric friction hybrid damper

A reset-type SMA piezoelectric friction hybrid damper, including a damper box, a piezoelectric ceramic driver box with a piezoelectric ceramic driver is arranged in the damper box, and a vertical The left slide plate is set up vertically on the right side. The upper and lower ends of the left slide plate protrude from the left chute on the damper box, and the upper and lower ends of the right slide protrude from the right chute on the damper box. SMA wires are connected between the left slide plate and the right slide plate outside the damper box, and return springs are arranged between the left side wall and the left slide plate, and between the right slide plate and the fixed baffle in the damper box, and the actuating rods are in turn Pass through the left side wall of the damper, the left slide plate, the piezoelectric ceramic box, the right slide plate and the fixed baffle plate, and fix the left slide plate and the right slide plate through the left snap ring and the right snap ring on the actuating rod. The structure of the present invention is simple, The utility model has the advantages of convenient processing, strong energy dissipation capacity and good control effect, and can be effectively applied in the field of energy dissipation and shock absorption.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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