40results about How to "Increase the maximum pressure" patented technology

The invention relates to a high-pressure reheating gas-steam combined cycle power generation system and a power generation method. The system consists of a gas turbine subsystem and a steam turbine subsystem, wherein the gas turbine subsystem comprises a device used for two-stage air compression, twice combustion as well as high-pressure and medium-pressure twice turbine acting; after primary acting of high-temperature gas, the high-temperature gas enters a medium-pressure combustion chamber and is reheated for secondary acting, so that the average heat absorption temperature of the whole cycle is improved; and at least a one-stage intercooler is arranged between two-stage compressors, and heat flow of the intercooler is connected with the two-stage compressors. The steam turbine subsystem adopts a three-pressure reheating type boiler and a steam turbine, cooling water of the intercooler is connected with high-pressure water, and high-pressure, medium-pressure and low-pressure water as well as the cooling water of the intercooler absorb heat in a staged manner for multiple times, so that heat energy is efficiently utilized. When the high-pressure reheating gas-steam combined cycle power generation system provided by the invention operates with the best parameters, the combined cycle efficiency is increased by 3-5 percentage points compared with a combined cycle system which mainly adopts a gas turbine class F, and the single-machine output power is increased by more than 70%, and reaches 800MW class.

The invention provides a rotor system and a control method of the rotor system as well as a gas turbine generator set and a control method of the gas turbine generator set. The rotor system comprisesa rotating shaft, a motor, a gas compressor and a turbine as well as a thrust bearing and at least two radical bearings, wherein a shaft body of the rotating shaft is of an integrated structure, the rotating shaft is vertically arranged, the motor, the gas compressor and the turbine are sequentially arranged on the rotating shaft, the thrust bearing and the radial bearings are arranged on the rotating shaft, the thrust bearing and the radial bearings are non-contact bearings, the thrust bearing is arranged at a preset position of one side, close to the gas compressor, of the turbine, and the preset position is the position where the center of gravity of the rotator system can be located between the two radial bearings which are spaced by the largest distance. According to the rotator system, the non-contact type bearings are adopted so that the rotor system can be vertically arranged; and in this way, the gravity center of the rotator system is located at the axis, static deflection cannot be generated, moreover, the torque generated by the gravity on the axis is zero, therefore, the influence of the gravity on the rotation of the rotator system can be eliminated, and then the stability of the rotator system can be improved.

The invention discloses a high-pressure composite metal hydride hydrogen storage tank and a hydrogen storage method thereof. The hydrogen storage tank comprises a base support and a hydrogen storage tank shell with an opening in the bottom, and the hydrogen storage tank shell is installed on the base support in a sealed and buckled mode. A hydrogen inlet and a hydrogen outlet are formed in the hydrogen storage tank shell. A hydrogen storage alloy storage space, a gaseous hydrogen storage gap and a circulating heat exchange system are arranged in the hydrogen storage tank shell. The hydrogen storage alloy storage space is filled with hydrogen storage alloy, and the circulating heat exchange system is used for absorbing heat when the hydrogen storage alloy absorbs hydrogen and heating the hydrogen storage alloy when the hydrogen storage alloy releases hydrogen. According to the high-pressure composite metal hydride hydrogen storage tank and the hydrogen storage method thereof, a gas hydrogen storage gap is formed in the hydrogen storage tank, the size of a reserved gap can be adjusted according to the requirement of hydrogen storage mass density, hydrogen storage of different mass densities is achieved, the advantages of high mass density of high-pressure gas hydrogen storage and high volume density of solid hydrogen storage are fully combined, and the volume of the solid hydrogen storage part is adjusted, the purpose of storing more hydrogen under equal pressure is achieved.

The invention provides a rotor system and a control method thereof and a gas turbine generator set and a control method thereof. The rotor system comprises a rotating shaft, a generator, a gas compressor, a turbine, a thrust bearing, two radial bearings, a first casing and a second casing; the shaft body of the rotating shaft is of an integrated structure, and the rotating shaft is horizontally arranged or vertically arranged; the generator, the gas compressor, the turbine, the thrust bearing and the two radial bearings are arranged on the rotating shaft, and the thrust bearing and the two radial bearings are non-contact bearings; the first casing is connected to the second casing; the generator, the thrust bearing and the two radial bearings are arranged in the first casing, and the gas compressor and the turbine are arranged in the second casing; and the impeller of the gas compressor is arranged close to the impeller of the turbine in the second casing. According to the system and the control method, the machining precision and assembly precision of the gas turbine generator set are reduced, the cost is reduced, and the gas turbine generator set is suitable for engineering batchproduction.

The invention relates to a secondary anvil of an octahedral pressure cavity static high-pressure device. An anvil body is in a cube shape; an anvil surface is a regular triangular surface formed by cutting a corner of the cubic anvil body; at least one circle of outer ring surface is arranged around the anvil surface; the outer ring surface in each same circle comprises three trapezoidal slants which are same in shape and size; a regular triangle is enclosed by the bottom edges of the three trapezoidal slants. The secondary pressurizing unit of the octahedral pressure cavity static high-pressure device comprises the eight secondary anvils, a previous sealing strip and an octahedral pressure transmitting medium. Compared with the traditional secondary pressurizing unit, for the secondary pressurizing unit which comprises the secondary anvils disclosed by the invention, experiments indicate that the blasting probability is obviously reduced during operation and the maximal pressure which can be achieved a the body of an octahedral pressure cavity can be increased.

The invention provides a tesla turbine and a control method. The tesla turbine comprises a rotating shaft, a shell, a plurality of discs, a thrust bearing and at least two radial bearings; the shell is arranged on the rotating shaft, and a medium inlet and a medium outlet are formed in the shell; the plurality of discs are arranged in the shell, the plurality of discs are fixedly connected to therotating shaft, a gap is formed between every two adjacent disks of the plurality of disks, and at least one exhaust hole is formed in each of the plurality of disks; and the thrust bearing and at least two radial bearings are arranged on the rotating shaft, and the thrust bearing and the at least two radial bearings are non-contact bearings. According to the tesla turbine, non-contact thrust bearings of the thrust bearing and the radial bearings are adopted, the power loss of the tesla turbine on the bearings is reduced, so that the efficiency of the tesla turbine is improved.

The invention mainly provides a side shifter device in the up and down linkage, the side shifter device comprises a side-shift frame and a fork arm fixed on the side-shift frame, wherein cylinders on which a plurality of fixed blocks are fixed are respectively fixed on the inner wall of the upper and lower beams of the side-shift frame and a second threaded hole is formed in each fixed block respectively, a plurality of screwing handles are fixed on the contacting side of the fork arm and the side-shift frame in a vertical direction, and the fork arm can be fixed on the two cylinders by the screwing handles; Inside the side-shift frame, a connecting rod, on the upper and lower end surfaces of which slide rails are respectively arranged, is fixed in a horizontal direction, slide blocks are fixed on the vertical contacting side of the fork arm and the connecting rod, and the slide blocks can slide left and right on the slide rails. The side shifter device has the advantages that the load capacity of the side shifter and the linkage of the fork arm are increased, and further the requirement of transportation is met to the maximum extent through fixing two oil cylinders on the side shift frame.

The invention discloses a device installed in an elastomer in confined space, which aerates air for the confined space by deformation generated by repeated constant pressure and realizes constant pressure. The device is composed of a large air pump and a small air pump which are connected in series; the compression area of the small air pump is smaller than that of the large air pump; and in practical work process, the two air pumps work together or work alternatively, so as to realize the aeration of high-pressure air in the elastomer and stops charging air under a constant pressure. The final aeration air pressure can be regulated by regulating the starting air pressure of the single-way valve at the output end of the large air pump.

The invention belongs to the technical field of geological survey, and discloses a single-cavity high-pressure pre-drilling shear lateral pressure gauge. The single-cavity high-pressure pre-drilling shear lateral pressure gauge comprises a jacking device, a lateral pressure gauge probe, a control system and a pipeline system, wherein the lateral pressure gauge probe comprises a core rod, a neck bush and a rubber film; the upper end of the core rod is sequentially provided with a first shaft shoulder and a second shaft shoulder; the lower end of the core rod is provided with an annular pressing cap; the neck bush is sleeved at the outer side of the core rod between the second shaft shoulder and an annular pressing sleeve; pressing rings for pressing the rubber film are arranged at the two ends of the neck bush; a fixing screw nut is arranged at the lower side of the annular pressing cap; the periphery of the core rod is sleeved with a double-layer metal armor; the upper end of the double-layer metal armor is fixedly connected with the first shaft shoulder; the lower end of the double-layer metal armor is attached to the fixing screw nut; the pipeline system comprises a liquid inlet pipeline; the liquid inlet pipeline communicates with a gap between the neck bush and the core rod; and a liquid inlet through hole is formed in the middle part of the neck bush. After high pressure is applied a measuring cavity, the two ends of the rubber film can be prevented from extending outwards in the axial direction, and the rubber film can be prevented from being pierced or cut by rocks in a hard soil layer.

The invention relates to a side channel blower, in particular a secondary air pump for an internal combustion engine, comprising a multi-part housing which has at least one inlet (6, 7) and at least one outlet (20, 21) and has substantially one first and one second housing part (10, 16), wherein the inlet (6, 7) and the outlet (20, 21) are fluidically connected via at least one inlet region (8, 9), extending over at least one at least partially annular feed channel (12, 14) formed in the first and/or second housing part (10, 16) and via at least one outlet region (23, 25), comprising an impeller (4) which is rotatably mounted in the housing (2) and can be driven via a drive unit (3), wherein the impeller (4) has conveying blades (22) which interact with the opposite feed channel and comprising at least one interruption region (28, 30) between the inlet region (8); and in the outlet region (23, 25), in which the at least one feed channel (12, 14) is interrupted in the circumferential direction, wherein there is at least one feed channel (12, 14) which has a circumferential angle of 300 DEG.

The invention belongs to the related technical field of electrochemical pressure sensing, and discloses a working electrode based on a film nested structure and an electrochemical pressure sensor. Theworking electrode comprises a first thin film material and a second thin film material, and the first thin film material and the second thin film material are stacked. The first thin film material and the second thin film material are both materials capable of forming double electric layers together with electrolyte in a working environment, and the surface density of one of the first thin film material and the second thin film material and the specific capacitance of the double electric layers formed by the electrolyte are both larger than those of the other thin film material and the electrolyte. The working electrode can be used for assembling an electrochemical pressure force sensor, pressure energy is converted into electric energy through the pressure-induced electrochemical potential change characteristic of a two-dimensional film, high-sensitivity pressure detection in a wide range can be achieved due to the structural advantages, and then real-time distribution monitoring ofmulti-point pressure is achieved.

The invention provides a thrust bearing, a rotor system and a control method of the thrust bearing. The thrust bearing comprises a thrust disc, firsts stators and second stators, wherein the thrust disc is fixedly connected to a rotating shaft, the first stators and the second stators are arranged on the rotating shaft in a penetrating mode, and the first stators and the second stators are arranged on the two opposite sides of the thrust disc; each stator comprises a magnetic bearing and a foil bearing, a plurality of first magnetic parts are arranged on the magnetic bearings in the circumferential direction, and second magnetic parts are arranged on the foil bearings; and the foil bearings are arranged between the magnetic bearings and the thrust disc, bearing gaps are formed between thefoil bearings and the thrust disc, and the foil bearings can move in the axial direction of the rotating shaft under the action of magnetic force. According to the thrust bearing, the bearing gaps andthe magnetic bearings are arranged in the thrust bearing, so that the thrust bearing forms a gas and magnetic hybrid thrust bearing, and the dynamic performance and the stability of the thrust bearing under a high-speed running state can be improved due to the fact that gas bearings and the magnetic bearings can work cooperatively.

The invention provides a power generation system and a control method thereof. The power generation system comprises a waste heat boiler, a Tesla turbine and a motor, wherein the Tesla engine is connected with the motor, the Tesla turbine is used for driving the motor to work, and the Tesla turbine is provided with a medium inlet and a medium outlet; the waste heat boiler comprises a shell body, aliquid medium is filled in the shell body, at least one heat exchanger used for converting the liquid medium into a vapor state medium is further arranged inside the shell body, and the heat exchanger is immersed in the liquid medium; and a steam pipeline and a condensation pipeline are arranged on the shell body, wherein the steam pipeline communicating with the medium inlet is arranged on the shell body, and the condensation pipeline communicates with the medium outlet; and the at least one heat exchanger comprises a first heat exchanger, a heat medium inlet of the first heat exchanger communicates with an exhaust pipe of a gas turbine, and the heat medium outlet of the first heat exchanger is located outside the shell body. According to the system and the method, the high-efficiency Tesla turbine is used as a steam turbine, so that the efficiency of the fuel gas and steam combined cycle power generation system is improved.