21 results about "Twin-turbo" patented technology

The invention relates to the technical field of wind power generation, and particularly discloses a duct double-turbine supercharged windmill which comprises a duct and a blade type rotating structure arranged in the duct. The duct sequentially comprises a first contraction section, a first straight section, a second contraction section and a second straight section in the air flow direction, and the diameter of the first straight section is larger than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a first-stage turbine and a second-stage turbine, the first-stage turbine and the second-stage turbine are arranged on the rotating shaft, the first-stage turbine and the second-stage turbine are correspondingly arranged on the first straight section and the second straight section respectively, and the rotating shaft is connected with the generator through a transmission structure. Structural improvement is carried out through the blade type rotating structure and the duct, the turbofan located at the front end drives the turbofan located at the rear end to rotate, and therefore the wind energy utilization rate is increased.

The present application relates to the field of wind power generation technology, and discloses a ducted double turbocharged windmill, which comprises a duct and a blade type rotating structure arranged in the duct. The duct comprises a first contraction section, a first straight section, a second contraction section and a second straight section in sequence along the wind direction, and the diameter of the first straight section is greater than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a primary turbine and a secondary turbine arranged on the rotating shaft, the primary turbine and the secondary turbine are arranged in the first straight section and the second straight section respectively, and the rotating shaft is connected with a generator through a transmission structure. The present application improves the structure of the blade type rotating structure and the duct, and realizes that the turbine fan at the front end drives the turbine fan at the rear end to rotate, so as to improve the wind energy utilization rate.

Hydrokinetic fluid turbines utilize a flowing body of liquid to translate the kinetic energy of the fluid into electric power or other useful energy. The available kinetic energy is proportional to the squared fluid velocity in an open channel with a fixed cross-sectional area. The proposed twin turbine system coupled with a cycloidal magnetic gear exploits the hydrokinetic energy existing in open-channels.

The invention discloses a powder additive conveying system which comprises a main body structure composed of a stirring barrel assembly, a storage barrel assembly, a pumping mechanism and a plurality of groups of conveying pipes, a metering type feeding hopper and a liquid quantitative injection valve are arranged at the top of the stirring barrel assembly, and the bottom of the stirring barrel assembly is communicated with the storage barrel assembly through a pneumatic stop valve; the storage barrel assembly is connected with a conveying pipe set with an atomizing nozzle at the tail end through a pumping mechanism, the stirring device is of a double-shaft differential structure, an inner-layer stirring shaft is provided with variable-pitch propeller blades, an outer-layer stirring shaft is provided with an annular flow guide plate for adjusting the inclination angle, and a rotating speed difference is formed through driving of an independent servo motor so as to generate a three-dimensional shear flow field. In the conveying control device, an electromagnetic valve adopts a pulse width modulation control mode and is integrated with a self-cleaning flow channel, a flow regulator is internally provided with a double-turbine flowmeter to form a redundancy measurement mechanism, and a monitoring module is integrated with a capacitive liquid level sensor, an infrared spectrum concentration sensor and a non-contact temperature sensor array.

The invention relates to a monitoring process of the state of health of at least two vibration sensors of a twin turbomachine comprising a low-pressure body and a high-pressure body, a vibration sensor being located at the front of the turbomachine, a vibration sensor being located at the rear of the turbomachine, each of the sensors being configured to measure vibrations of the low-pressure and high-pressure bodies at the front and at the rear of the turbomachine, the process being executed in a processing unit (20) of the turbomachine communicating with each of the sensors and comprising the following steps:reception of the low-pressure (NBP) and high-pressure (NHP) speeds of the turbomachine and when said speeds are simultaneously in predetermined ranges,reception of the front and rear vibratory levels of the low- and high-pressure bodies registered by each sensor;determination of the average of the values of the vibratory levels of the low- and high-pressure bodies received over a predetermined reception period;determination of the state of health of said at least first and second vibration sensors from comparison of the average values of the vibratory levels of the low- and high-pressure bodies determined at predetermined thresholds.

The invention provides a method, system, equipment and medium for obtaining the average velocity of well logging shaft fluid, and the method comprises the steps that double-turbine well logging information is collected, and the double-turbine well logging information comprises large-diameter blade turbine velocity profile information and small-diameter blade turbine velocity profile information; corresponding large-diameter blade turbine apparent velocity and small-diameter blade turbine apparent velocity are obtained based on the large-diameter blade turbine velocity profile data and the small-diameter blade turbine velocity profile data; a speed model is established based on the relation between fluid speed distribution of the wellbore shaft and the distance between the measuring point and the wellbore shaft, the apparent velocity of the large-diameter blade turbine and the apparent velocity of the small-diameter blade turbine, and the average velocity of wellbore fluid is obtained based on the speed model; according to the method, the output profile logging evaluation precision is improved, the output profile logging interpretation precision is improved, and reliable technical support is provided for dynamic analysis of gas reservoir production and formulation of adjustment measures.

The invention relates to a gas generator with a gas inlet supercharging structure. The gas generator comprises a generator body, an engine, double turbochargers, double intercooling box type intercoolers and a mixer. The generator is connected with an output shaft of the engine, the exhaust end of the engine drives the double turbochargers to supercharge air and fuel gas independently, and the risk of premixed combustion is avoided. Pressurized gas enters the corresponding intercooling boxes, is cooled and then converged into the mixer, and then is introduced into an air inlet of an engine, so that the problem of tempering of an air inlet of a traditional premixing unit is solved. The intercooling box is provided with an S-shaped air channel to prolong the gas retention time, a rectangular heat exchange groove is formed in the side wall, hollow heat dissipation fins (cooling water is introduced) are arranged in the groove in parallel and matched with a heat dissipation fan on the side wall of the intercooler to form double heat exchange of water cooling and air cooling, and the heat exchange efficiency is greatly improved. The heat exchange groove is provided with double cleaning brushes, heat dissipation is prevented from being affected by dust and oil stains, and the heat dissipation structure is simplified. The water pipe is provided with a branch pipe connector with an electromagnetic valve, water stain cleaning equipment can be connected, and water scale in the fins can be cleaned regularly.

The application relates to a performance testing device for a double-turbocharged engine air intake system, which is used for testing the performance of a double-turbocharged engine air intake system and comprises an air inlet pipeline unit connected with an air inlet end of the tested air intake system, a first air outlet pipeline unit and a second air outlet pipeline unit connected with air outlet ends of the tested air intake system, the air inlet pipeline unit is used for air inlet, the first air outlet pipeline unit and the second air outlet pipeline unit are used for air outlet, and the first air outlet pipeline unit and the second air outlet pipeline unit are respectively provided with a pressure gauge, an absolute filter assembly, a flowmeter, a flow controller and a flow fan. The device can simultaneously measure the system pressure values of the double air inlet pipelines, more accurately reflects the performance of the system in the actual situation, provides more real simulation test, and can more accurately provide reliable data support for actual design.

The present application belongs to the technical field of turbine flowmeter, and discloses a double turbine flowmeter, which comprises a flowmeter, a detection flow channel is arranged in the flowmeter; a first sealing step and a second sealing step are arranged in the detection flow channel, and a backflow channel is communicated between the first sealing step and the second sealing step; a quick connecting assembly is used for mounting the flowmeter to a pipeline; the quick connecting assembly comprises a fixing assembly and a sealing ring which is sealed between the outer wall of the pipeline and the inner wall of the detection flow channel, the fixing assembly is configured to make the pipeline and the sealing ring abut to the first sealing step and the second sealing step respectively; the sealing ring comprises a first sealing ring and a second sealing ring which are mutually abutted along the axial direction through guide inclined surfaces, when fluid impacts the sealing ring axially through the backflow channel, part of the axial impact force is decomposed into a radial inner component force acting on the first sealing ring and a radial outer component force acting on the second sealing ring through the guide inclined surfaces.

The invention belongs to but not limited to the technical field of # imgabs0 # analysis, and particularly relates to an advanced # imgabs1 # analysis method and system for an S-CO2 double-turbine power generation system, and the method comprises the steps: S1, constructing an S-CO2 double-turbine power cycle simulation model by using process simulation software Aspen HYSYS; s2, conventional # imgabs2 analysis is carried out on the S-CO2 double-turbine power generation system; S3, advanced # imgabs3 analysis is completed for the system, and the improvement space of the system and component performance is analyzed; s4, exploring the action relationship of irreversible loss in the system; and S5, proposing a priority sequence of component improvement. According to the method, an S-CO2 double-turbine power generation system is constructed, Aspen HYSYS software is used as a tool to simulate system operation, a REFPROP database is called to perform physical property calculation, advanced # imgabs4 # analysis is performed on the system, the improvement space of system performance is analyzed, the action relation of irreversible loss in the system is explored, the priority sequence of component improvement is discussed, and the system performance is improved. And discussing the comparison with the conventional # imgabs5 # analysis result.

This utility model relates to the field of hydraulic transmission equipment technology, specifically to a composite dual-turbine hydraulic torque converter, comprising a dual-turbine hydraulic torque converter body, an input shaft disposed at the input end of the dual-turbine hydraulic torque converter body, and an output shaft disposed at the output end of the dual-turbine hydraulic torque converter body. Both the input and output shafts are fitted with sealing sleeves, which are detachably mounted on the dual-turbine hydraulic torque converter body. A rigid clamping ring is disposed inside the sealing sleeve and fitted onto the corresponding shaft. An inner sealing ring is disposed between the rigid clamping ring and the front cylindrical body of the sealing sleeve. An inner bushing is disposed on the rear side of the rigid clamping ring. Inner fitting gaskets are disposed on both the inner and outer end faces of the inner bushing. The inner fitting gasket on the inner side fits onto the corresponding shaft, and the inner fitting gasket on the outer end face abuts against the rear side of the rigid clamping ring. This utility model has good sealing performance, achieving the effect of improving sealing reliability and ensuring stable equipment operation.

A vertical-axis double-turbine tidal energy (reverse power) power generation device and an efficient working method are characterized in that a primary turbine and a secondary turbine are adopted for the first time, and the primary turbine starts the secondary turbine through natural hydraulic power; the secondary turbine drives the generator to generate power by using relative hydraulic power, and the relative attack angles of all blades of the secondary turbine at any position are equal to 0 degree because the directions of the relative hydraulic power are opposite, so that all the blades can synchronously output power at any position; in this way, the problem that blades of an existing vertical shaft turbine cannot synchronously output force is solved. The blades of the primary turbine or the secondary turbine are connected with the hub in the horizontal direction, and therefore the problem that the diameter of an existing vertical shaft turbine cannot be enlarged is solved. A brand-new salix leaf type reverse power blade is adopted for a primary turbine or a secondary turbine, the cross section structure of the blade is in a salix leaf type, namely, the upper arc face and the lower arc face are completely symmetrical, and the efficient working method of the blade is that the blade is kept in a completely horizontal working state, namely, the zero lift angle and the relative attack angle are both zero. As a result, the rotating resistance is parallel to the chord line, so that the rotating resistance and the blade tail eddy current loss are extremely small, the laminar flow boundary layer is relatively stable, and the reverse power efficiency is relatively high.

The utility model discloses an ozone turbine mixer, which relates to the technical field of sewage treatment equipment and comprises a mixer shell, support legs are arranged on the left side and the right side of the bottom of the mixer shell, a base is connected and mounted at the bottoms of the support legs, and a water inlet pipe is connected and mounted above the left side of the mixer shell. The water outlet pipe is connected and installed below the right side of the mixer shell, the ozone pipe is connected and installed below the left side of the mixer shell and located below the water inlet pipe, a driving motor is installed on the outer side of the front face of the mixer shell, a visual screen is installed below the driving motor, and a frequency conversion regulator is arranged in the mixer shell; turbine bodies are arranged on the upper portion and the lower portion in the mixer shell. According to the ozone turbine mixer, vortex is formed through rotation of the double turbines in the water flow direction, ozone and raw water are rapidly mixed, the ozone reaction efficiency is improved, the states of the turbine bodies are monitored in real time through the visualization function, and the effluent quality is improved.

A double turbine, includes: a rotatable deflector disc including a first base plate and a second base plate facing opposing directions along an axis of rotation; a first plural number of first vanes each pivotally mounted on the first base plate and uniformly spaced around the axis of rotation by a vane spacing angle; a second plural number of second vanes each pivotally mounted on the second base plate, and uniformly spaced around the axis of rotation by the vane spacing angle, the second plural number being equivalent to the first plural number; wherein each first vane is angularly positioned with respect to the rotation axis as between two second vanes. Multiple such double turbines can be stacked with a progressive helical twist such that each one double turbine is offset from at least one adjacent double turbine by a common twist angle with respect to the axis of rotation.

The utility model discloses a kind of ammonia circulation gas turbine-double turbine expander combined structure, including air supply unit, compressor, combustor, gas turbine and flue gas discharge channel being sequentially connected in series, and coil pipe, booster pump, turbine expander, compressor is mechanically linked with gas turbine by a rotating shaft, first coil pipe is filled with ammonia decomposition catalyst, liquid ammonia supply unit is sequentially connected booster pump, second coil pipe, first turbine expander, first coil pipe, second turbine expander and fuel regulating valve by pipeline, finally access the fuel inlet of combustor;The output end of first turbine expander and second turbine expander is connected kinetic energy conversion device respectively.The utility model is to the staged utilization of ammonia fuel energy by double turbine expander, combined with the heat exchange of flue gas waste heat in coil pipe and the chemical energy release of ammonia decomposition, when not combined with heat and power, single machine thermal efficiency can be as high as 70% or more, compared with traditional single cycle gas turbine efficiency is greatly improved.

1. The name of the design product: slippers (double turbine anti-skid drainage). 2. The use of the design product: slippers. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The utility model discloses a turbo type underground propeller, which relates to the field of underground propellers, and comprises an outer pipe and a filter sleeve arranged in the left side of the outer pipe, a double-turbine set is arranged on the right side of the filter sleeve, a turbine cavity is arranged on the right side of the double-turbine set, a turbine driving shaft is arranged between the turbine cavity and the double-turbine set, and the turbine driving shaft is connected with the outer pipe. A sliding sleeve is arranged at the right end of the outer pipe, and a shaft barrel is arranged on the left side of the sliding sleeve. The turbo type underground propeller is a tool for generating axial self-excitation pulse by utilizing rotation of a turbine. The tool can well solve the problems of poor drillability, low mechanical rotating speed, long drilling period and the like in the drilling process of a deep well hard formation, the drilling speed is improved, during drilling, a whole drill column smoothly enters the well bottom, a drilling tool is protected, meanwhile, the smoothness of a well hole is improved, and the drilling efficiency is improved. And safety accidents of workers during use are avoided, so that the safety of the device during use is improved.

A double turbine, includes: a rotatable deflector disc including a first base plate and a second base plate facing opposing directions along an axis of rotation; a first plural number of first vanes each pivotally mounted on the first base plate and uniformly spaced around the axis of rotation by a vane spacing angle; a second plural number of second vanes each pivotally mounted on the second base plate, and uniformly spaced around the axis of rotation by the vane spacing angle, the second plural number being equivalent to the first plural number; wherein each first vane is angularly positioned with respect to the rotation axis as between two second vanes. Multiple such double turbines can be stacked with a progressive helical twist such that each one double turbine is offset from at least one adjacent double turbine by a common twist angle with respect to the axis of rotation.

The utility model relates to a vertical-axis double-turbine breeze generator. The vertical shaft double-turbine breeze generator comprises a supporting assembly, a rotating blade assembly, an outer rotor generator assembly and a windward guide plate, the supporting assembly comprises a main bearing shaft, an auxiliary bearing shaft, an upper top plate and a lower top plate, and the main bearing shaft and the auxiliary bearing shaft are constructed to be of a vertical cylindrical structure; the upper top plate and the lower top plate are fixed to the upper end and the lower end of the main bearing shaft and the lower end of the auxiliary bearing shaft respectively, and the upper top plate and the lower top plate are constructed to be of a horizontal framework structure or a solid surface structure. The outer rotor generator assembly is arranged on the side, facing the rotating blade assembly, of the lower top plate, and an outer rotor of the outer rotor generator assembly is arranged to be mechanically connected with the rotating fixing shaft; the windward guide plate is constructed to be vertical and is fixed between the upper top plate and the lower top plate. According to the technical scheme, the power generation efficiency is improved, rotation unbalance is eliminated, noise is reduced, and rapid installation is achieved.

The present invention discloses a dual-turbine water purification backwash leakage protection pre-filter with an anti-water hammer valve, which relates to the technical field of filters and includes a filter bottle, a valve head fixedly connected to the top of the filter bottle, an anti-water hammer valve installed on the top of the valve head, a water inlet end and a water outlet end, a water inlet ball valve installed at the water inlet end of the valve head, a flow meter installed at the water outlet end of the valve head, a sewage ball valve installed at the bottom of the filter bottle, an external skeleton fixedly connected to the inside of the filter bottle, an internal skeleton fixedly connected to the external skeleton, and a water distributor fixedly connected to the internal skeleton. The present invention can close the water inlet ball valve immediately when a water leak occurs, reducing the loss caused by the water leak to the user's family; during filtration, the turbine turbulence generates centrifugal force, so that impurities will not be adsorbed; during backwashing, the inner turbine concentrates the water flow, increases the impact force, and rotates 360 degrees, so that the backwashing is cleaner, and the 360-degree spraying leaves no dead corners and does not cause uneven washing.

The utility model relates to the technical field of projectors, and discloses a projector three-dimensional cooling system based on a double-turbofan array, which is used for cooling a display unit surface of a projector main body and consists of turbofans, a cooling air duct, a projector display unit, two air inlets and two air outlets, wherein the turbofans comprise a first turbofan and a second turbofan, the two air inlets comprise a first air inlet and a second air inlet respectively, the two air outlets comprise a first turbofan air outlet and a second turbofan air outlet, and the heat dissipation air ducts comprise a first heat dissipation air duct and a second heat dissipation air duct; according to the projector three-dimensional heat dissipation system based on the double-turbofan array, the two groups of turbofan arrays are utilized to carry out omnibearing multi-surface heat dissipation on the projector, a display unit can be subjected to multi-surface heat dissipation, the temperature of the display unit is balanced, independent heat dissipation air channels and inlets and outlets on two surfaces are different, heat dissipation is efficient and rapid, and mutual interference is avoided.