110results about How to "Stable energy consumption" patented technology

The invention discloses an external energy-consumption self-resetting bridge pier stud structure system and a realization method thereof, belonging to the field of bridgework. The structure system mainly comprises a bridge pier stud, a bridge abutment, an unbonded prestressed reinforcement, an external energy consumption device, a pier embedded part and a bridge abutment embedded part, wherein the bridge pier stud and the bridge abutment are connected by the unbonded prestressed reinforcement and the external energy consumption device, so that residual deformation can be effectively reduced, and energy consumption can be guaranteed. The external energy-consumption self-resetting bridge pier stud structure system is flexible in design and has specific structure stress. The unbonded prestressed reinforcement on the axis position of the pier stud can be used for generating self-resetting restoring force. The problem that the traditional bridge pier has larger residual deformation and cannot continuously serve after the earthquake loading action is solved. The bridge pier has enough strength and rigidity. The external energy-consumption self-resetting bridge pier stud structure system is realized in a cast-in-situ or prefabricating mode and is easy to construct and is a novel pier stud structure system which is advanced and practical and can realize quick replacement and repair after the earthquake..

The invention relates to an accurate predication control and energy saving system and method in a wet-process desulfurization technology. The accurate predication control and energy saving system comprises a field instrument signal acquisition system, an outlet concentration predication model, an optimization control system of an executing mechanism, and a continuous adjustment system of the executing mechanism, which are communicated in sequence, wherein the field instrument signal acquisition system is connected with a desulfurization tower; the field instrument signal acquisition system iscommunicated with the optimization control system of the executing mechanism; the continuous adjustment system of the executing mechanism is communicated with the field instrument signal acquisition system. According to the accurate predication control and energy saving system, intelligent control of a desulfurization process is realized by utilizing model predication and optimization calculation;a control level is improved and stable operation of the system is ensured; meanwhile, the energy consumption is reduced and the cost is reduced, so that energy saving and efficiency increasing of a wet-process desulfurization technology system are realized; the accurate predication control and energy saving system and method are applicable to fields adopting the wet-process desulfurization technology, such as thermal power plants, steel works and industrial coal-fired boilers.

The invention relates to a frequency-modulation mass buckling-restrained brace, which comprises a frequency-modulation mass vibration reduction part and a buckling-restrained energy dissipation and vibration reduction part, wherein the buckling-restrained energy dissipation and vibration reduction part consists of steel cores which are connected between important gussets of a structure, sleeved steel tubes which are sleeved on active sections of the steel cores, filled concrete and flexible materials which are glued on the surfaces of the steel cores; the frequency-modulation mass vibration reduction part consists of mass blocks, resilient elements and damping materials; the mass blocks are formed by the sleeved steel tubes and the filled concrete; the resilient elements are made of steel plate springs and fixed between gusset plate connecting pieces and the sleeved steel tubes or fixed between support connecting pieces and the sleeved steel tubes; and the damping materials and the flexible materials between the steel cores and the filled concrete of the buckling-restrained energy dissipation and vibration reduction part are shared. The frequency-modulation mass buckling-restrained brace integrates TMD vibration reduction technology and energy dissipation and vibration reduction technology of buckling-restrained braces, has the characteristics of easy manufacture, convenient assembly, economy and durability, non-maintaining and changeability, and simultaneously has the function of vibration reduction in the horizontal direction and the vertical direction.

The invention belongs to the technical field of structural engineering technique, more particularly relates to a flexure restriction stepping shock-absorption strut that consists of a flexure restriction strut, a lower sleeve, an upper sleeve, a wing plate and a girder, wherein, the lower sleeve is a columnar structure with a hollow middle part, the circumference of one end of the lower sleeve is provided with the wing plate and the other end thereof is sleeved at the bottom end of the flexure restriction strut, and the lower sleeve is fixed at one end of the flexure restriction strut by a bolt and the wing plate is fixed above a base by the bolt; the upper sleeve is a columnar structure with a hollow middle part, the circumference of one end of the upper sleeve is provided with a node plate, the upper sleeve is sleeved at the strut top of the flexure restriction strut and is fixed at the strut foot of the flexure restriction strut by the bolt and the node plate is fixed below the girder by the bolt. The invention has the advantages of no residual deformation and small shock effect and so on, and has excellent shock resistance performance and ductility and hysteresis energy consumption capability, thereby being a predominant shock-absorption energy consumption member.

A combined pressure and bend defense support for hot rolling angle (BRAB) belongs to civil engineering energy dissipating and damping of vibration technology field. The prior international steel core which defend pressure and bend is made by low yield point steel, but the domestic steel products market can not bulk provide high grade low yield point steel and its products steel, and the cross-section shape is difficult to choosing, so it can not meet the engineering requirements. The invention prepares the steel core which cross-section shape meets the engineering requirements using the carbon structural hot-rolled angle which yield strength is 300-400MPa; the area of the cross-section of steel core work part Ac meets the requirement of 0.5Al<=Ac<=0.8Al, the length lc meets 0.4l<=lc<=0.7l; the structural gap thickness is 1.5-2.5 times of the lateral deformation when steel core yield after compressed. The pressure and bend-proof support dissipating energy of the combined hot-rolling angle is stable, it is not instable, the low-cycle fatigue resistance is fine, and it has excellent aseismic behavior to meeting the different requirements of engineering seismic design and increases the sidesway resistance stiffness.

The invention discloses a friction plate-based friction force adjustable fan-shaped node friction energy dissipater. The fan-shaped node friction energy dissipater comprises two fan-shaped friction plates which are mounted between a beam and a column and are in mutual inserted connection, wherein the two fan-shaped friction plates comprise two tooth friction plates or two pressure friction plates; one ends of the fan-shaped friction plates adopting two different structural styles are connected with the beam and the column through slideways, and the other ends, namely the free ends, are in mutual inserted connection, and are fixed connected through spring attached stiffening bolts. According to the two different embodiments, the friction manner is adopted for energy dissipation, and the slideway mounting manner is adopted to change the rotating centroid of a component. According to the fan-shaped node friction energy dissipater, the pressure between the two pieces of metal is changed to adjust the magnitude of the friction force, so that the limitation of the friction energy dissipation component due to the material is solved. The used two pieces of metal have large contact surfaces, and nuts on the friction plates can be adjusted to extrude springs so as to increase the friction force between the two materials.

The invention discloses an improved support seat with the functions of energy consumption, and seismic mitigation and isolation, and belongs to the technical field of anti-seismic designs of bridge engineering. The improved support seat disclosed by the invention comprises an upper cover plate, wherein an upper connection plate is fixed below the upper cover plate, a lead core is fixed at the centre below the upper connection plate, a lower connection plate is fixed below the lead core, and a lower cover plate is fixed below the lower connection plate; a rubber high-strength metal plate mixed cushion layer is arranged between the upper connection plate and the lower connection plate, the rubber high-strength metal plate mixed cushion layer sleeves the lead core, and an anti-corrosive rubber protection layer is arranged on the outer sidewall of the rubber high-strength metal plate mixed cushion layer; and U-shaped dampers are arranged between the upper cover plate and the lower cover plate at the outer side of the anti-corrosive rubber protection layer, each U-shaped damper is fixed on the upper cover plate and the lower cover plate through high-strength bolts, and a rubber cushion layer is arranged between each upper high-strength bolt and the corresponding U-shaped damper. The improved support seat disclosed by the invention has the characteristics of being high in damping, stable in energy consumption, capable of resisting high seismic action, and the like. In addition, each U-shaped damper is connected with a main body part of the support seat through the high-strength bolts, and therefore is convenient to replace.

The invention discloses a slip vibration isolation support which comprises an upper support and a lower support. The upper support is supported by the lower support, and interlayer surfaces are arranged between the upper support and the lower support; the upper support and the lower support are both filled with lead core rubber and internally provided with annular permanent magnets in a staggered mode, and the upper permanent magnet and the lower permanent magnet are both arranged to be close to the interlayer surfaces so as to provide sufficient magnetic induction intensity; the vibration support adopts aluminum plates as the interlyaer surfaces, outer sealing is conducted through annular steel tanks, and the interlayer surfaces are covered with polytetrafluoroethylene plates. Compared with a traditional vibration isolation support, the internally arranged magnet type vibration isolation support has the advantages of being small in abrasion, high in sensitivity, good in filtering property, high in energy consumption, small in impact effect, high in self reset capacity, capable of saving space, good in tensile property and the like, and important significance in solving the technical problems that deformation of the vibration isolation support of the area with high seismic intensity is too large, the impact effect is significant, and the tensile property is weak is achieved.

The invention provides a viscoelastic friction type energy dissipation self-resetting buckling-restrained brace. The viscoelastic friction type energy dissipation self-resetting buckling-restrained brace comprises an upper fixing cylinder, a lower fixing cylinder, fixing guide plates, a piston rod, a fixing end plate, springs, a first viscoelastic energy dissipation assembly, a second viscoelasticenergy dissipation assembly, first friction structures and second friction structures. Both ends of the fixing guide plates are separately inserted and fixed into the upper fixing cylinder and the lower fixing cylinder. The piston rod is arranged between the interior of the upper fixing cylinder and the interior of the lower fixing cylinder. The first viscoelastic energy dissipation assembly andthe second viscoelastic energy dissipation assembly separately sleeve both ends of the piston rod. The springs are arranged between the first viscoelastic energy dissipation assembly and the second viscoelastic energy dissipation assembly. The first end of the piston rod limits the first viscoelastic energy dissipation assembly, and the fixing end plate limits the second viscoelastic energy dissipation assembly. The viscoelastic friction type energy dissipation self-resetting buckling-restrained brace has self-resetting capability, can be automatically adjusted according to the brace force deformation characteristics to prevent damage to the internal components of the brace, and has stable and efficient energy dissipation capability.

The invention discloses a self-resetting double-bow opposite-pull double energy dissipation supporting device. A belleville spring is adopted as a reset system, an arc-shaped steel plate is used as ametal energy dissipation element, in the case of the metal energy dissipation element, the arc-shaped steel plate belongs to a bending yield energy dissipation type, compared with other traditional metal energy dissipation modes, the energy dissipation performance of the arc-shaped steel plate is stable, damaged positions of the element are easy to control, in addition, the arc-shaped steel plateenergy dissipation element is easy to replace after an earthquake, recycling of integral support is realized, the economical and practical requirements are confirmed, and wide popularization is easy;in the case of a reset device, the price of the belleville spring is low, restoring force can be stably provided, and the influence on the temperature, humidity and other external factors is smaller;and no damage and low damage during the earthquake and self-resetting after the earthquake of the supporting device are realized, the structural construction is simple and clear, and the manufacturingand mounting process is simple and convenient.

The invention discloses a fabrication type self-reset combined disc spring U metal energy dissipation damper, and belongs to the technical field of disaster prevention shock absorption. The fabrication type self-reset combined disc spring U metal energy dissipation damper is formed through parallel combination of a U metal damper and a combined disc spring, a U metal plate, high-strength bolts, anouter casing pipe, an inner casing pipe, left and right end plates and baffles are mainly included, the two sides of the U metal plate are fixed to the outer side of the inner casing pipe and the inner side of the outer casing pipe correspondingly through the high-strength bolts, the outer casing pipe is connected with the left end plate, the inner casing pipe is connected with the right end plate, one set of baffles are fixed to the outer side of the inner casing pipe, the other set of baffles are fixed to the inner side of the outer casing pipe, the combined disc spring is pre-pressed to bemounted on the outer side of the inner casing pipe in a penetrating and sleeving manner and is arranged between the two sets of baffles, the fabrication type self-reset combined disc spring U metal energy dissipation damper is applied to a lateral load resistance part in the building field of building engineering, the deforming and bearing force needs of a structure under the earthquake effect can be met, and the damper is simple in structure, definite in working mechanism, and capable of achieving stable energy dissipation performance and good self resetting performance.

The invention discloses a prefabricated knee brace bearing energy-consuming support and a construction method thereof. The prefabricated knee brace bearing energy-consuming support includes an energy-consuming supporting connecting steel assembly, energy-consuming strip steel plates and out-of-plane restraint steel plate sleeves, wherein the energy-consuming supporting connecting steel assembly includes transverse parts and vertical parts, the upper ends of the energy-consuming strip steel plates are fixed to the transverse parts, and the lower ends of the energy-consuming strip steel plates are fixed to the vertical parts; cavity spaces are arranged in the middle part of the out-of-plane restraint steel plate sleeves, the energy-consuming strip steel plates are inserted into the cavity spaces, and energy-consuming displacement gaps are pre-reserved between the out-of-plane restraint steel plate sleeves and the energy-consuming supporting connecting steel assembly. On the one hand, theprefabricated knee brace bearing energy-consuming support consumes energy, and on the other hand, the prefabricated knee brace bearing energy-consuming support prevents the falling of beams; and in the event of a failure of pre-stressed tendons in the beam, shear resistant support plates can bear the shear force transmitted by the beams and provide a second line of defense for the structure. Onesupport or a plurality of supports can be used at one beam-column joint, and the multiple supports can be operated together as a parallel system. The prefabricated knee brace bearing energy-consumingsupport is convenient to replace after an earthquake, and provides better post-earthquake recoverability.

The invention relates to a detachable U-shaped corrugated belt double-layer inclined-slit steel plate damper, and belongs to the technical field of civil engineering energy dissipation and shock absorption. The metal damper is composed of a plurality of U-shaped energy dissipation parts, double-layer inclined-slit steel plates, an upper cover plate and a lower cover plate. The metal damper is based on the design concepts that multidirectional energy dissipation is achieved, energy dissipation parts are detachable, the shear bearing capacity is improved, out-of-plane buckling is restrained, multiple shear energy dissipation mechanisms work cooperatively, and a double-insurance mechanism is adopted, and the limitation of a traditional metal damper is broken through. U-shaped energy dissipation units are connected in parallel, so that the multidirectional energy dissipation of the damper is effectively realized. Through a reasonable design, the damper can achieve multi-position yield, theenergy dissipation performance is stable, and the shear bearing capacity is greatly improved. The U-shaped energy dissipation parts and the double-layer inclined-slit steel plates dissipate energy together to form the double-insurance mechanism. After an earthquake, the normal use function can be recovered only by replacing the energy dissipation parts. The metal damper develops towards the assembling direction, is easy and convenient to replace and obvious in economic benefit, can be effectively combined with a support, and provides lateral force for the support.

The invention provides an all-optical-fiber current transformer and a current measuring method thereof. The all-optical-fiber current transformer is mainly formed by three parts: a sensing unit, a signal processing unit, and a merging unit. The sensing unit employs the Faraday magneto-optic effect principle and used for inducing current of a measured conductor, and generating light intensity signals carrying data information of the Faraday rotation angle. The signal processing unit mainly completes input of optical singles of the sensing unit, analysis of the output optical signals, digitalization processing, and temperature compensation etc., and performs output according to a prescribed synchronous serial mode. The merging unit completes synchronization, switching or parallel logic of information of the signal processing unit, and transmits the information to an electrical measuring instrument and a relay protection device.

The invention relates to an inerter-based particle damper, comprising fixing plate (3) fixed on a ground, and an inerter unit and a particle damping unit slidably arranged on the bottom; the inerter unit is connected with the particle damping unit through connection spring (7); the fixing plate (3) is connected with the inerter unit through gear unit (2) and drives the inerter unit to move. Compared with the prior art, the inerter-based particle damper with various energy-dissipating aseismic measures has good energy-dissipating capacity and applicability.

The invention discloses a fabricated self-reset U-shaped metal damper. The metal damper comprises a steel plate composite component, a piston component, a box component, a bottom plate, a fastener, anelastic component and a plurality of U-shaped plate; the steel plate composite component comprises a flange plate and a web; two side plates of the U-shaped plates are fastened to a side plate of thepiston component and a side plate of the box component through a plurality of connecting members; the U-shaped plates enter an elastoplastic yielding state when vibrating, hysteresis is generated, and energy is consumed. According to the damper provided by the invention, the deformation energy consumption performance of the U-shaped plates can be adjusted according to different working conditionsthrough disassembly and replacement; metal has good hysteresis characteristics after entering the plastic state, and absorb a large amount of energy in the elastoplastic hysteresis deformation process, and the metal can provide additional damping and rigidity for the structure when being used as an energy-consuming device; and meanwhile, the damper components can be can be disassembled and replaced in time after fatigue fracture, the energy consumption effect is good, and the self-reset ability is high.

The invention provides a novel friction-viscous damping wall which comprises a friction assembly, an inner shear plate and an outer steel box. The friction assembly comprises an upper friction connecting plate, a lower friction connecting plate and an energy dissipation friction piece arranged between the upper and lower friction connecting plates. A plurality of long-elliptical shaped bolt holesare evenly distributed in the upper and lower friction connecting plates, and a plurality of circular bolt holes are evenly distributed in the energy dissipation friction piece. The top end of the inner shear plate is connected with the lower friction connecting plate. The inner shear plate is vertically inserted into a damping groove, and the damping groove is filled with viscous materials. By introducing the energy dissipation principle of a friction type damper, displacement related and speed related dampers are formed, the bearing capacity of a damping wall is defined within the preset bearing capacity range, the phenomenon that the large bearing capacity is caused by uncertainty of seismic waves is avoided, meanwhile, the dependency of the damping wall on the structure frequency is avoided, the energy dissipation capacity of the damping wall is stabilized, and the good damping effect is achieved.

The invention relates to an oblique-slotted steel plate shear wall. The oblique-slotted steel plate shear wall comprises a steel frame and at least one oblique-slotted steel plate with a plurality ofoblique slits, and the oblique-slotted steel plate is located inside the steel frame and is connected with the steel frame; the steel frame includes horizontally disposed steel beams, and columns which are connected with the ends of the steel beams and longitudinally arranged; and the long sides of the steel beams at the inner side of the steel frame are fixedly connected with connecting plates, and the connecting plates are connected with the oblique-slotted steel plate. According to the oblique-slotted steel plate shear wall, the problems of existing steel plate shear walls that the amount of steel consumption is large, the rigidity cannot be adjusted, the structure is complicated, the production process is cumbersome, and the cost is high can be solved, and excellent lateral force resistant parts are provided for the construction design of high-rise or super high-rise buildings in China.

A self-resetting frictional energy-dissipating support based on a shape memory alloy, comprising a first channel steel (1) and a second channel steel (2), the outer ends of the first channel steel (1) and the second channel steel (2) are respectively A round pipe (7) and a connecting plate (8) are connected in sequence; the opening of the first channel steel (1) is downward, and the opening of the second channel steel (2) is upward, and the two press the contact surface through the connecting piece (4) to provide Friction force; the left and right sides of the flange of the first channel steel (1) are respectively provided with four first bolts (5) equidistantly distributed, and the left and right sides of the flange of the second channel steel (2) are respectively provided with four second bolts ( 5‑1), the second bolts (5‑1) are symmetrically arranged in pairs relative to the central axis of the second channel steel (2); the shape memory is used between the first bolts (5) and the corresponding second bolts (5‑1) Alloy wires (3) are connected. The invention has simple structure, stable energy consumption performance, almost no residual deformation after unloading, and is easy to replace.

The invention discloses a grid damping support which comprises a grid damper, an elastic supporting body, a top plate and a bottom plate. The grid damper is a shell with the two ends open and the interior hollow, and the shell is made of steel. A plurality of weakening holes are formed in the shell; the elastic supporting body is embedded in a shell of the grating damper. A lower port of the shellis formed in the bottom plate and fixedly connected with the bottom plate, and the lower end face of the elastic supporting body makes contact with the upper surface of the bottom plate; an upper port of the shell is fixedly connected with the top plate, and the upper end face of the elastic supporting body makes contact with a lower panel of the top plate. The grid damping support has the beneficial effects that the steel grating damper is manufactured by forming a certain number of weakening holes with certain shapes in low-yield steel through the high ductility and weakening holes of the low-yield steel, and the novel shock absorption and isolation support is manufactured by combining the damper with the elastic supporting body; the support is high in energy dissipation capacity and has the damping effect in the horizontal direction and the bidirectional direction.

The invention belongs to the technical field of civil engineering, and particularly relates to a tension-pressure equal-strength type metal energy consumption re-centering damper and an installation and using method thereof. The tension-pressure equal-strength type metal energy consumption re-centering damper comprises a cylinder body, a guide rod, a first metal corrugated pipe, a belleville spring set, a pressure sensor and a second metal corrugated pipe, wherein the first metal corrugated pipe, the belleville spring set, the pressure sensor and the second metal corrugated pipe are connectedto the guide rod, the guide rod is connected with the cylinder body through a first connecting plate, a first limiting plate, a first connecting bolt and a third connecting bolt, a first lug plate anda second lug plate are arranged on the cylinder body and the guide rod respectively, and the first lug plate and the second lug plate are connected to the stress positions of a building structure. The tension-pressure equal-strength type metal energy consumption re-centering damper can be applied to the fields of shock absorption control of building and bridge structures, rapid recovery of the using function of the structure after an earthquake and the like, the metal corrugated pipes are used for energy consumption, the energy consumption capacity of the metal corrugated pipes is stable, theenergy consumption mechanism is clear, the out-of-plane instability problem does not exist during stress, and the tension-pressure equal-strength type metal energy consumption re-centering damper hasgood application prospects in the field of the civil engineering.