222results about "Boiler supporting/setting arrangements" patented technology

The invention relates to the field of boiler fixing devices, in particular to a boiler fixing device which comprises two rotating frames, two sets of clamping pieces, an adjusting piece, a plurality of rotating wheels and a limiting rod. The two rotating frames are symmetrically arranged on the fixed seat, and the first openings of the two rotating frames are opposite to each other; the two sets of clamping pieces are installed in the two rotating frames respectively, a clamping space is formed between each set of clamping pieces, a second opening is formed in the side, close to the first opening, of the clamping space, the width of the second opening is smaller than the inner diameter of the clamping space, and the width of the second opening is adjustable; the adjusting piece is inserted into the end parts of the rotating frames, is in transmission connection with the clamping piece and is used for adjusting the clamping piece to move along the opposite directions of the two rotating frames; the multiple rotating wheels are installed on the surface of the clamping piece and attached to the pipeline in the clamping space. The limiting rod is inserted into the fixing base, and when the clamping piece is in a stopped state, the surface of the limiting rod is clamped to the upper end face and the lower end face of the clamping piece, and the clamping piece is fixed.

The utility model relates to a multifunctional sliding execution truss for tube bundle washing, which comprises a supporting bottom plate sliding on a movable underframe along the z direction, operating platforms are arranged on two sides of one end of the movable underframe, a turnover pedal is arranged between the two operating platforms, and the turnover pedal is driven by a turnover component to turn over; the turnover pedal has at least two states: firstly, the turnover pedal is connected with the two operation platforms and is positioned on a moving path of the supporting bottom plate; secondly, the overturning pedal keeps away from the moving path of the supporting bottom plate; the operation platform is used for installing various devices and allowing workers to walk. During working, the overturning pedal is in an open state and does not interfere with the movement of the six-axis robot on the movable bottom frame; in the non-working process, in order to facilitate walking of workers on the operating platforms, the overturning pedals are in a closed state to connect the two operating platforms, and suspension caused by the moving underframe and the moving path of the six-axis robot on the moving underframe is avoided.

The waste heat boiler steel structure auxiliary supporting device comprises a boiler body and supporting frames, the supporting frames are located on the two sides of the boiler body, two suspension plates of T-shaped structures are welded to the upper portions of the two ends of the boiler body respectively, a plurality of fixing holes are formed in the suspension plates, and the fixing holes are communicated with the boiler body. The suspension plate is connected with the supporting frame through bolts penetrating through the multiple fixing holes, the supporting frame is composed of a base and two steel columns, a limiting mounting groove is formed in one side of each steel column, positioning holes matched with the multiple fixing holes in shape are formed in the two sides of each limiting mounting groove, a balance weight groove is formed in the base, and the balance weight groove is connected with the base. A counterweight groove is formed in one side of the middle of the base, a counterweight block is arranged in the counterweight groove, a movable seat is arranged on one side of the middle of the base, a first screw rod is rotationally connected to the movable seat, a second screw rod is connected to the first screw rod through an auxiliary ring, a supporting plate is rotationally connected to one end of the second screw rod, and the supporting plate abuts against one side of the bottom of the boiler body.

The utility model discloses a supporting structure of a glass kiln waste heat boiler, which is provided with at least four bottom steel structure stand columns vertically fixed on the ground, bottom layer steel plates are fixed at the tops of the bottom steel structure stand columns to form a bottom layer structure, and a plurality of layers of boiler frames are stacked above the bottom layer structure. Each boiler frame is composed of a top plate, a bottom plate and frame stand columns located at the four corners and used for supporting the top plate and the bottom plate. According to the bottom supporting structure of the waste heat boiler of the vertical glass kiln, the whole boiler is formed by stacking the frame-shaped frameworks, the construction and installation difficulty of the boiler can be greatly reduced, the occupied area of boiler equipment can be correspondingly reduced, and therefore the initial investment cost of the boiler is reduced.

The utility model discloses a high-temperature sterilization waste steam recycling device which comprises a shell, an evaporator, a supporting seat, a fixing structure, an adjusting assembly and a positioning assembly, the top of the shell is rotatably connected with a cover plate through a rotating shaft, the bottom of the inner wall of the shell is fixedly connected with the supporting seat, and the top of the supporting seat is fixedly connected with two supporting arms; the heat exchanger comprises a shell, two supporting arms and a supporting seat, the top of each supporting arm is movably connected with three evaporators, a fixing structure is arranged in the middle of the supporting seat and comprises an adjusting assembly and a positioning assembly, and the problem that when existing evaporators conduct heat transfer on high-temperature steam, the heat transfer efficiency of the evaporators is greatly improved is solved by arranging the shell, the evaporators, the supporting seat, the fixing structure, the adjusting assembly and the positioning assembly. If the evaporator is inconvenient to be stably fixed in the reservoir, a heat transfer channel between the evaporator and the reservoir may be blocked, the evaporator may not be in close contact with the reservoir, heat loss is increased, and heat transfer efficiency is reduced.

A nuclear power plant comprising at least one nuclear reactor having a steam generator, a steam cycle including the steam generator, a first turbine fluidly coupled to the steam generator, a first condenser fluidly coupled to the first turbine, and a feedwater heater fluidly coupled to the first condenser and the steam generator, an intermediate thermal loop including the first condenser, and an evaporator, and an organic cycle including the evaporator, a second turbine fluidly coupled to the evaporator, a second condenser fluidly coupled to the second turbine, and a heat exchanger fluidly coupled to the second condenser and the evaporator.

The utility model provides an independent circulation pipeline evaporator which comprises an ascending pipe connected to a steam pocket; the first evaporation screen is communicated with the ascending pipe through a first ascending communicating pipe, the first evaporation screen comprises a plurality of first pipe pieces, and the first pipe pieces are arranged on two flues in parallel; each first duct piece is arranged in a bow shape in the vertical direction, so that the heating area of each first duct piece is increased, and meanwhile, a steam soot blower can penetrate through each first duct piece and carry out decoking and soot cleaning on each first duct piece; the first descending communicating pipe is connected between the first evaporation screen and a descending pipe, and the descending pipe is connected to the bottom of the steam pocket and used for conveying water in the steam pocket to the first descending communicating pipe and then conveying the water to the first evaporation screen. The problems of overtemperature and high-temperature corrosion of the superheater mentioned in the background technology are solved.

The utility model discloses a hazardous waste incineration waste heat boiler with an internal hanging screen. The hazardous waste incineration waste heat boiler comprises a steel frame, a boiler barrel and a boiler body. The boiler body comprises a hearth, and partition walls are arranged in the hearth to divide the hearth into a plurality of cavities which are sequentially communicated in the smoke flowing direction. In the chambers, the chamber communicated with the flue gas inlet of the hearth is a first chamber, and the chamber communicated with the flue gas outlet of the hearth is a second chamber; a hanging screen heating assembly is arranged in the second cavity; the hanging screen heating assembly is a plurality of groups of heating surfaces formed by an upper header, a lower header and a membrane wall, and the distance between the heating surfaces of the hanging screen heating assembly is not less than 800mm; the hanging screen heating assembly is hung in the steel frame through the hanging assembly, and meanwhile shock wave ash removal devices are arranged between the heating surfaces of the hanging screen heating assembly in the height direction. Therefore, according to the hazardous waste incineration waste heat boiler, the requirement for the heating area is met, the height and the occupied area of the hazardous waste incineration waste heat boiler are reduced, and the equipment cost and the site utilization rate are effectively reduced.

The utility model relates to a natural gas steam boiler in the technical field of steam boilers. A supporting base used for supporting the steam boiler body is installed at the lower end of the steam boiler body, and a moving assembly facilitating moving of the supporting base is installed at the lower end of the middle of the supporting base. When the steam boiler body is moved, a hand wheel is rotated, a rotating rod drives a worm to rotate synchronously, a worm gear drives a reciprocating lead screw to rotate, lead screw nuts located at the left end and the right end of the reciprocating lead screw are far away from each other, the angle of two connecting rods is changed, a supporting plate is driven to move downwards, and universal wheels abut against the ground; and the hand wheel continues to rotate, and after the supporting legs are far away from the ground, the steam boiler body can be moved. And after the position of the steam boiler body is adjusted, the hand wheel is reversely rotated to enable the supporting legs to support the steam boiler body.

A system may include a turbine and a recuperative heat exchanger system. The recuperative heat exchanger system is configured to receive exhaust gases from the turbine. The recuperative heat exchanger system may include a precool section to cool the exhaust gases, a major heating section to receive the cooled the exhaust gases, and a minor heating section to receive the cooled the exhaust gases.

The invention belongs to the technical field of nuclear reactor systems, and particularly relates to a steam generator secondary side partition plate limiting and supporting structure. According to the device, a bottom limiting seat module is fixedly installed at the center of a tube plate of the steam generator, a secondary side partition plate is placed on the surface of a secondary side tube roadway area of the tube plate of the steam generator through the bottom limiting seat module, and the bottom limiting seat module is connected with the secondary side surface of the tube plate in a welded mode; the two side faces of the secondary side partition plate and the inner wall of a tube bundle sleeve of the steam generator are fixed and limited through side face limiting groove modules. A transverse tube supporting plate is arranged in the center of the tube bundle sleeve, and the secondary side partition plate penetrates through the multiple layers of tube supporting plates located on the lower portion of the tube bundle and is in mutual limiting supporting with the tube supporting plates through the middle supporting limiting module. The supporting device is used for effectively and stably supporting the secondary side partition plate and the tube bundle supporting plate, and the problems that deformation is not coordinated due to thermal expansion, and gaps of supporting parts are not stable are solved.

This invention discloses a self-locking height-adjustable support for power plant boiler equipment, belonging to the technical field of power plant boiler support. It includes a base with a height-adjustable mechanism mounted on top of the base; it also includes a support seat movably mounted above the height-adjustable mechanism, on which the boiler is placed; a cooling mechanism disposed on the support seat, which cools the boiler by reducing the contact area with the boiler and by blowing air; and a self-locking anti-fall mechanism symmetrically disposed at both ends of the support seat, used to improve the stability of the boiler during lifting and lowering. This self-locking height-adjustable support for power plant boiler equipment ensures safety during boiler height adjustment through the self-locking anti-fall mechanism, preventing accidental falls and potential dangers. Furthermore, it reduces heat transfer by adjusting the contact area between the support and the boiler, and can cool the contact area when the temperature is too high.

The utility model discloses a temporary reinforcing and supporting equipment for boiler equipment transformation and installation, which comprises a connecting plate, a movable component, a connecting component and a supporting component, the movable component is arranged above the connecting plate, the connecting component is arranged above the movable component, the supporting component is arranged on one side of the connecting component, and the supporting component is arranged on the other side of the connecting component. A supporting plate, a mounting shell and a connecting assembly are mounted and connected, right-hand and left-hand threads are arranged on a threaded rod, a threaded hole is formed in one side of the supporting plate, the supporting plate is in threaded connection with the threaded rod through the threaded hole, a sliding groove is formed in one side of the supporting plate, the supporting plate is in sliding connection with a sliding rod through the sliding groove, and the threaded rod is rotationally connected with the mounting shell. When the boiler is supported, the motor drives the threaded rod to rotate, the two sets of supporting plates are driven to synchronously and reversely move on the threaded rod, auxiliary supporting is carried out on the boiler, accordingly, the boilers of different sizes are supported, and the problem that the boilers of different sizes cannot be matched is solved.

The invention relates to the technical field of steam boilers, in particular to a safety protection type steam boiler which comprises a boiler body, two bearing strips are arranged at the bottom of the boiler body, three adjusting blocks are slidably connected to the bearing strips, driving plates are fixedly connected to the tops of the adjusting blocks, and rotary knobs are rotatably connected to the positions, close to the driving plates, of the bearing strips. The driving plate is in threaded connection with the rotary knob, bases are arranged on the back faces of the adjusting blocks, supports are connected between the two symmetrical bases in a sliding mode, a furnace body is fixedly connected among the three supports, the two bearing strips are arranged on the ground, the rotary knob is rotated, and the adjusting blocks are driven to slide up and down along the bearing strips by means of threaded connection of the rotary knob and the driving plate; the furnace body reaches a horizontal state by sequentially adjusting the heights of the multiple adjusting blocks, gaskets do not need to be repeatedly increased or decreased, and the damper plays a buffering role in equipment operation.

The utility model relates to the technical field of equipment installation, and discloses a steam generator temporary supporting device which comprises a hydraulic system, a supporting table and a limiting part, and the supporting table comprises a hoisting part, a horizontal adjusting part, a supporting seat and a vertical adjusting part. By arranging the vertical adjusting part, the problems that in the prior art, a hydraulic cylinder is subjected to shear stress perpendicular to the axial direction of the hydraulic cylinder during working, and the hydraulic cylinder responsible for adjusting the longitudinal position of the steam generator is damaged due to excessive abrasion for a long time are solved; therefore, the overall operation stability of the supporting table is improved, and later maintenance work is facilitated; by arranging the lead screw, the adjusting rod and the sliding block, due to the fact that the lead screw rotates to drive the sliding block to move to achieve lifting of the steam generator, and due to the fact that threaded connection of the lead screw and the sliding block has a self-locking effect, it can be further guaranteed that when the power part loses efficacy, the steam generator can automatically keep the existing position, and falling is prevented.

The utility model discloses a boiler barrel supporting and bidirectional sliding device which comprises a boiler barrel base plate making contact with the outer side of a barrel body, a bottom plate arranged at the bottom end of the barrel body, a pressing plate used for transverse expansion sliding and a bottom plate used for longitudinal expansion sliding, and a supporting plate is arranged at the bottom end of the boiler barrel base plate in a welded mode. A rib plate for reinforcing and supporting is welded on the supporting plate; the pressing plate is welded to the bottom end of the supporting plate. Through the arrangement, thermal expansion of the boiler can be timely and effectively released, stress concentration caused by expansion and hidden danger to safe operation of the boiler are prevented, the boiler can be effectively supported, the boiler can safely operate, meanwhile, adjustment can be flexibly carried out when the boiler barrel is assembled in place, good reputation of customers and workers is obtained, and the boiler barrel can be widely applied to large-scale production. Moreover, unnecessary after-sales services are reduced, the cost is saved, the labor intensity is reduced, and a good effect is achieved in practical application; the device is simple in structure, convenient to operate and worthy of popularization.

The invention discloses a boiler installation structure and an installation method, and belongs to the field of boilers, the boiler installation structure specifically comprises a conveying frame and a fixing frame, the conveying frame is fixedly installed on one side of the fixing frame, a control panel is fixedly installed on one side of the fixing frame, a limiting assembly is fixedly installed in the fixing frame, the limiting assembly comprises a sliding groove, a moving plate and a rotating rod, and the sliding groove is located in the fixing frame; the two sides of the movable plate are movably installed in the sliding grooves. Through linkage cooperation of the conveying frame and the fixing frame, rapid installation of a plurality of boilers is achieved, data of the boilers during operation can be collected and analyzed, corresponding control signals are obtained according to analysis results, the operation process of the boilers is comprehensively and efficiently supervised in the using process, and the boiler operation efficiency is improved. And an operator can be quickly and timely reminded according to a data acquisition result when an abnormality occurs, so that the accurate judgment and control of the use condition of the boiler are realized.

The utility model discloses a steam generator, relates to the technical field of steam generators, and aims to solve the problems that fluid impacts a tube bundle, a heat exchange tube is easy to damage, the water content of steam is large, the effect of a demister is reduced along with time and the like in the design of the steam generator commonly used in the industry at present in the prior art. A tube pass inlet N1 and a tube pass outlet N2 are formed in the upper end and the lower end of the tube box 1 respectively, the tube pass inlet N1 is an inlet of hot fluid, the tube pass outlet N2 is an outlet of the hot fluid subjected to heat exchange, a liquid inlet N3 is formed in the side wall of the shell 3 and used for supplementing water to the steam generator, and a steam outlet N4 is formed in the top of the shell 3 and used for supplementing water to the steam generator. A wire mesh demister 10 is arranged on a steam outlet N4 of the shell 3 and used for further removing liquid water in steam, and the heat exchange tube bundle 4 is of a U-shaped tube type.

The utility model belongs to the technical field of gas-fired boilers, in particular to a low-nitrogen combustion device for a gas-fired boiler, which is characterized in that one end of a heat dissipation cylinder is fixedly connected with a filter screen, one side of the filter screen is movably connected with fan blades, a rotating rod is sleeved in the fan blades, one end of the rotating rod is rotatably connected with a first motor, and the surface of the first motor is fixedly connected with a fixed block; one end of the fixing block is fixedly connected with a connecting ring located on the inner wall of the heat dissipation cylinder, the inner wall of the heat dissipation cylinder is fixedly connected with a heat dissipation block located on one side of the connecting ring, and one end of the heat dissipation block fixedly communicates with a connecting boiler. Temperature in the boiler is absorbed through the heat dissipation block so that the temperature in the boiler can not reach a peak value easily, meanwhile, the absorbed temperature is dispersed into the heat dissipation barrel through the heat dissipation block, the rotating rod is driven by the first motor to rotate, the rotating rod rotates to drive the fan blades to conduct the high temperature in the heat dissipation barrel, and the heat dissipation efficiency is improved. And therefore, the heat dissipation effect on the boiler is achieved, and the nitrogen and oxygen emission during use of the boiler is effectively reduced.

A heat recovery steam generator (HRSG) includes a base and a top platform assembly disposed on the base. The top platform assembly includes a first top platform auxiliary module having a first rectangular frame in which a steam manifold is disposed, a second top platform auxiliary module having a second rectangular frame in which a high pressure (HP) drum is disposed, and a third top platform auxiliary module having a third rectangular frame in which a low pressure (LP) drum and an intermediate pressure (IP) drum are disposed. Each top platform auxiliary module may be pre-assembled on the ground prior to be raised to elevation for installed on the base.

The present invention relates to a method for monitoring the condition of at least one heat exchanger (8, 9, 10) arranged in the waste gas stream of a waste heat steam generator (1), in particular the water or steam conduit (14) of the heat exchanger which, viewed in the downstream direction, serves as a superheater, an evaporator and a feed water preheater, characterized in that the presence of water vapor in the waste gas stream is detected using a sensor (18) detecting a measurement representative of the humidity content of the waste gas stream and / or automatically using an optical detection system, and an alarm is activated upon detection.

The present invention relates to a heat exchanger with a thermal displacement compensation support mechanism, which can also be used in a steam generator and belongs to the technical field of heat exchangers. It includes a shell, an internal heat exchange unit and a plurality of thermal displacement compensation support mechanisms, wherein the plurality of thermal displacement compensation support mechanisms are evenly distributed in the shell along the circumference, and the thermal displacement compensation support mechanism is composed of a follower support, a guide rod, a disc spring assembly, an outer cylinder, a main support seat and a spring-shaped pipe. In the present invention, an elastic disc spring support structure is adopted, which can be adjusted according to the thermal displacement caused by the temperature difference or the inconsistency of the linear expansion coefficient of the material between the two connected rigid bodies, so as to avoid the thermal stress at the connection between the rigid bodies being unable to be released due to the rigidity limitation of the support, thereby causing damage to the equipment. The thermal displacement compensation support mechanism in the present invention is arranged in a lower temperature zone, which avoids the excessive selection of high-temperature materials, increases the range of material selection, reduces the material cost, and ensures the working reliability of the thermal displacement compensation support mechanism.

This application discloses a tube panel assembly and its tube clamp for preventing fin cracking. The tube clamp includes a left side plate, a right side plate, a connector, and a pin. The left and right sides are arranged opposite each other and sandwich the tube panel body. The left and right sides are connected by a connector and hung on the target upper pipe. The two ends of the pin are installed on the left and right sides and are located below the target lower pipe. The pin is also provided with an eccentric profile. The user controls the rotation of the pin so that the eccentric profile supports the target lower pipe, thereby lifting the target lower pipe upward, reducing the force on the fins, and thus preventing the fin weld from cracking at the end.

A nuclear plant steam generator is provided. The steam generator has an upright elongate body and has tension members extending from proximal ends attaching to respective attachment positions on the elongate body to distal ends which are configured to attach to respective load-supporting attachment positions in the nuclear plant. Each proximal end is lower than its respective distal end. In use, the tension members are loaded in tension by the steam generator to transmit substantially all of the weight of the steam generator to the load-supporting attachment positions in the nuclear plant.

The utility model relates to the technical field of boiler installation, and provides a column foot installation device suitable for a sintering and pelletizing waste heat boiler, which is arranged on a foundation and used for fixing three column feet of the sintering and pelletizing waste heat boiler, the column feet are provided with threaded sections, and the column foot installation device comprises two positioning plates which are fixedly installed on the two sides of the foundation respectively; the connecting plate is arranged between the two positioning plates in the transverse direction, the two ends of the connecting plate are connected with the two positioning plates respectively, three inserting holes are formed in the connecting plate and correspond to the three column feet, and the diameter of the inserting holes is larger than that of the column feet; the three column feet are sleeved with the three threaded sleeves respectively, the three threaded sleeves are in threaded connection with the column feet, the peripheral faces of the threaded sleeves make sliding contact with the inner walls of the corresponding insertion holes, and annular blocking parts protruding outwards are formed at the bottoms of the peripheral faces of the threaded sleeves. The utility model aims to provide a column foot mounting device suitable for a sintered pellet waste heat boiler, which is simple in structure and convenient to mount and construct.

The utility model relates to an anti-abrasion device for a boiler tube of a rear smoke well of a boiler, which is characterized in that a horizontal bent plate is mounted on a horizontal tube at the topmost position of a suspension tube, a fit circular groove is formed in the horizontal bent plate corresponding to the suspension tube, bent plates are fixedly connected to the bottom ends of two sides of the horizontal bent plate, and a porous flat plate is connected to one side of the horizontal bent plate; the porous flat plate is detachably connected with the horizontal bent plate through the fixing bolt, the horizontal bent plate and the bent plate are installed on the suspension pipe and the horizontal pipe so as to replace a traditional anti-abrasion angle steel structure, the porous flat plate can effectively reduce smoke resistance increased when an anti-abrasion device is installed, and compared with original anti-abrasion angle steel, the anti-abrasion device can be installed more conveniently. According to the boiler tail flue anti-abrasion device, the added weight of the boiler tail flue is greatly reduced, operation of a boiler is facilitated, meanwhile, the horizontal bent plate and the bent plate are connected through the fixing bolts, the whole anti-abrasion device is made to be of a smaller and exquisite structure, and the split type connecting structure is convenient to install and detach and beneficial to maintenance and detection of the boiler.

The invention mainly relates to a self-supporting module intended to be assembled around a heat exchanger of a boiler comprising a horizontal passage, which module (16) comprises at least one hollow tubular upright intended to extend along the layers (11a) of the exchanger (11) and that is in fluid connection with the top part of the tank of the boiler so as to allow dry saturated steam to circulate in the upright. The invention also relates to an assembly formed by a vaporiser or superheater heat exchanger around which such a self-supporting module is arranged. The invention further relates to a method for assembling the horizontal passage of a boiler and a method for disassembling and reassembling, from the bottom and from the top, an exchanger mounted in the horizontal passage.

The utility model relates to the technical field of steam generators, and discloses a noise reduction mechanism of a steam generator, which comprises the steam generator and a noise reduction component, the steam generator comprises a bottom plate, a base, a support plate and a machine body, the bottom of the base is fixedly connected with the top of the bottom plate, and the noise reduction component is fixedly connected with the support plate. The surface of the supporting plate is movably connected with the interior of the base. Structural components such as the steam generator and the bottom plate are arranged, steam is manufactured through the steam generator, noise generated in the running process of the steam generator is reduced through the noise reduction assembly, vibration generated in the running process of the machine body is reduced through the damping assembly, and the bottoms of the two noise reduction covers are kept stable through the stabilizing assembly; the effect of reducing the noise in the operation process of the steam generator is achieved, and the health problems that the noise generated by the steam generator interferes with the surrounding environment, and people are possibly damaged in hearing and increased in mental stress due to long-term exposure in the noise environment are solved.

A heat recovery steam generator (HRSG) includes a base and a top platform assembly disposed on the base. The top platform assembly includes a first top platform auxiliary module having a first rectangular frame in which a steam manifold is disposed, a second top platform auxiliary module having a second rectangular frame in which a high pressure (HP) drum is disposed, and a third top platform auxiliary module having a third rectangular frame in which a low pressure (LP) drum and an intermediate pressure (IP) drum are disposed. Each top platform auxiliary module may be pre-assembled on the ground prior to be raised to elevation for installed on the base.