155results about How to "Has the effect of reducing vibration and noise" patented technology

The invention provides a vapor-liquid two-phase flow tube shell type heat exchanger. The heat exchanger comprises a shell, wherein sealing heads are arranged at two ends of the shell respectively; tube plates are arranged in connection positions between the sealing heads and the shell; heat exchange tubes are connected with the tube plates at two ends; vapor phase in vapor-liquid two-phase flow can be condensed into liquid phase in the heat exchange process; the vapor-liquid two-phase flow flows in a tube process; separation devices used for decreasing vibration and reducing noise are arranged in the heat exchange tubes; a plurality of separation devices are arranged in the same heat exchange tube; the length of the separation devices is gradually reduced along the flowing direction of flow in the heat exchange tubes. According to the vapor-liquid two-phase flow tube shell type heat exchanger, the vibration of the tubes can be decreased to a maximum extent due to the length change of the separation devices when the vapor-liquid two-phase flow flows in the tubes; the noise level is reduced; meanwhile, the flowing resistance is reduced; the heat exchange uniformity is improved.

The invention provides a heat pipe which comprises an evaporation collecting pipe, a condensation collecting pipe, ascending pipes and return pipes, wherein the ascending pipes are communicated with each of the evaporation collecting pipe and the condensation collecting pipe; the evaporation collecting pipe is positioned at the lower part; the condensation collecting pipe is positioned at the upper part; a fluid absorbs heat and evaporates in the evaporation collecting pipe, the vapor passes through the ascending pipes to enter the condensation collecting pipe and is condensed in the condensation collecting pipe after being subjected to heat exchange, and the condensed fluid returns back into the evaporation collecting pipe through the return pipes; the flow stabilizing devices are arranged in each of the same ascending pipe; the lengths of the flow stabilizing devices are constantly increased in the height directions of the ascending pipes;. According to the heat pipe with multi-hole flow stabilizing devices, the lengths of the flow stabilizing devices are changed, so that when vapor-liquid two-phase flows exist in the ascending pipes, heat transfer is enhanced, the vibration of the ascending pipes is weakened, and the noise level is reduced.

The invention provides a damping steam boiler. The damping steam boiler comprises an upper boiler barrel, a lower boiler barrel, rising pipes and falling pipes, wherein the rising pipes and the falling pipes are connected between the upper boiler barrel and the lower boiler barrel. The rising pipes are internally provided with flow stabilizers, and the multiple flow stabilizers are arranged in the same rising pipe; and the space between every two adjacent flow stabilizers is constantly reduced in the fluid flowing direction of the rising pipes. According to the damping steam boiler, through gap changing of the flow stabilizers, when steam-liquid two phase flowing exists in the rising pipes, heat transmission is reinforced; and meanwhile, vibration of the rising pipes is weakened, and the noise level is reduced.

The invention provides a steam boiler. The steam boiler comprises an upper boiler barrel, a lower boiler barrel, ascending pipes and descending pipes, wherein the ascending pipes and the descending pipes are arranged between the upper boiler barrel and the lower boiler barrel; the ascending pipes are internally provided with flow stabilizing devices, the same ascending pipe is internally provided with a plurality of the flow stabilizing devices, and the diameters of through holes of the flow stabilizing devices are smaller and smaller in the fluid flowing direction of the ascending pipes. The steam boiler is provided with the flow stabilizing devices of novel structures, and through the change of the diameters of the through holes, when gas-liquid two-phase flowing exists in the ascending pipes, heat transfer is strengthened; and meanwhile, vibration of the ascending pipes is weakened, and the noise level is lowered.

The invention provides a tube-shell heat exchanger. The tube-shell heat exchanger comprises a housing, wherein sealing heads are arranged at two ends of the housing; tube plates are arranged at positions where the sealing heads are connected to the housing; heat exchange tubes are connected to the tube plates at two ends; gas phase in gas-liquid two-phase current is insoluble or slightly-soluble gas, namely, gas cannot dissolve in liquid in the heat exchanging process. The tube-shell heat exchanger is characterized in that current stabilizers for absorbing vibration and reducing noise are arranged in the heat exchange tubes; a plurality of current stabilizers are arranged in one heat exchange tube; the spacing between adjacent current stabilizers gradually increases in the flowing direction of the liquid in the heat exchange tubes until reaching some position, and then the spacing between the adjacent current stabilizers gradually decreases from the some position. According to the heatexchanger, the vibration of pipelines can be minimized based on the spacing change of the current stabilizers while the pipelines are subjected to gas-liquid two-phase flowing, and moreover, the noise level is decreased, and meanwhile, the flowing resistance is reduced.

The invention provides a steam boiler which comprises an upper boiler barrel, a lower boiler barrel, ascending pipes and descending pipes. The ascending pipes and the descending pipes are connected between the upper boiler barrel and the lower boiler barrel. Flow stabilizing devices are arranged in the ascending pipes. Each flow stabilizing device comprises a core body and a shell, wherein the core body is arranged in the shell, the shell is connected and fixed to the inner wall of the corresponding ascending pipe, and the core body is formed by adjacently connecting a plurality of pipes in a combined mode. According to the steam boiler, the flow stabilizing devices are of novel structures; and when vapor-water two-phase flow exists in the ascending pipes, heat transfer is enhanced, meanwhile, the vibration of the ascending pipes is weakened, and the noise level is reduced.

The invention provides a condensable heat exchanger with annular separation devices. The condensable heat exchanger comprises a shell. End sockets are arranged at the two ends of the shell correspondingly. A pipe plate is arranged at the connecting position of each end socket and the shell. A heat exchange pipe is connected with the pipe plates at the two ends. A steam phase in steam-phase and liquid-phase flow can be condensed to form a liquid phase in the heat exchange process, and the steam-phase and liquid-phase flow flows in a pipe pass. The separation devices are arranged in the heat exchange pipe. Each separation device comprises a core and a housing, wherein the core is arranged in the housing, the housing is connected with and fixed to the inner wall of the heat exchange pipe, the core comprises a plurality of concentric pipes and fins, and the fins are connected with the adjacent concentric pipes. According to the heat exchanger of a novel structure and with the separation devices, heat transfer is intensified when the steam-phase and liquid-phase flow flows in the pipe, meanwhile, pipe vibration is weakened, and the level of noise is lowered.

The invention provides a steam boiler which comprises an upper boiler barrel, a lower boiler barrel, ascending pipes and descending pipes; the ascending pipes and the descending pipes are connected between the upper boiler barrel and the lower boiler barrel; flow stabilization devices are arranged in the ascending pipes; each flow stabilization device comprises a core body and a shell; the core bodies are arranged in the shells; the shells are connected with and fixed to the inner walls of the ascending pipes; each core body comprises a plurality of radial rods extending from the center of thecore body to the radial directions; a plurality of fins extending from the radial rod down are arranged on each radial rod; the fins are provided with sharp parts; and the sharp parts face downwards.With the adoption of the novel structure steam boiler with the flow stabilization devices, when gas-liquid two-phase flowing exists in the ascending pipes, heat transfer is improved, vibration of theascending pipes is weakened, and the level of noise is lowered.

The invention provides a loop heat pipe comprising an evaporation header, a condensation header, a riser tube and a return tube; the riser tube is in communication with the evaporation header and thecondensation header, the evaporation header is located at a lower portion, and the condensation header is located at an upper portion; the fluid absorbs heat in the evaporation header and evaporates,passes through the riser tube and enters the condensing header, and condenses after heat exchange in the condensing header, and the condensed fluid returns to the evaporation header through the returntube; a flow stabilization device is disposed in the riser tube, and the flow stabilization device comprises a central rod disposed along a central axis of the riser tube and a plurality of radial rods extending radially along the central rod; the radial rod is provided with a plurality of fins extending downward from the radial rod, the fins having a tip with the tip facing downward. The invention provides a loop heat pipe of a new type of flow stabilization device. By providing the radial rod and the downward tip fin, when there is a vapor-liquid two-phase flow in the riser tube, the heat transfer is enhanced, and the vibration of the riser tube is weakened, and the noise level is lowered.

A vibration and noise reduction structure of a highway tunnel includes tunnel segments and ballast beds, A first arc-shaped steel bar and a second arc-shaped steel bar are equally spaced between the ballast bed and the tunnel segment, A first arcuate steel bar is oriented opposite to a second arcuate steel bar, At that bottom of the tunnel segment, a steel pipe pile is penetrate between the adjacent first arc-shaped steel bar and the second arc-shaped steel bar, A dome form is arranged on the inner side of the tunnel segment, A metal mesh is arrange on that outer side wall of the dome form andthe inn wall of the tunnel segment, A lay of sound-absorbing material is sandwiched between that two metal mesh, the invention also discloses a construction method of the vibration and noise reduction structure of the highway tunnel, At that same time, the first arc-shape steel bar and the second arc-shaped steel bar have certain deformation performance and certain vibration damping effect, and the sound-absorbing material lay is arranged on the tunnel wall, so that the sound-absorbing effect is achieved, and the noise brought by echo is reduced.

The invention provides an annular structure separating device shell-and-tube heat exchanger with non-condensable gas. The heat exchanger comprises a shell body, heads are arranged at the two ends of the shell body correspondingly, a tube plate is arranged on the connection position of each head and the shell body, heat exchange tubes are connected with the tube plates at the two ends, and the gaseous phase in two-phase gas-liquid flow is an insoluble or slightly soluble gas, namely the gas does not dissolve in liquid in the heat exchange process; and separating devices are arranged in each heat exchange tube, each separating device comprises a core body and a shell, the cores are arranged in the shells, each shell is fixedly connected with the inner wall of the corresponding heat exchange tube, each core body comprises a plurality of concentric tubes and fins, and the fins connect adjacent concentric tubes. According to the annular structure separating device shell-and-tube heat exchanger with non-condensable gas, a heat exchanger with separating devices with a novel structure is provided, when two-phase gas-liquid flow exists in a pipeline, compared with the background technology, the heat exchanger further enhances heat transfer, weakens vibration of the pipeline and reduces the noise level.

The invention provides an automatic control boiler system. The system comprises a monitoring diagnosis controller and a boiler; a steam drum comprises a water quality analyzer; the water quality analyzer comprises a PH value testing unit for measuring the PH value of water in the steam drum; the water quality analyzer is in data connection with the monitoring diagnosis controller to receive measured PH data; the boiler termly discharges pollutions; the pollution discharge speed is kept invariable; a central diagnosis monitor automatically sets a pollution discharge time according to the measured PH value to automatically control the pollution discharge quantity; the monitoring diagnosis controller is in data connection with a cloud server for transferring monitored data to the cloud server; the cloud server is connected with a client; and the client can obtain the monitored data through the cloud server. Through real-time monitoring of the PH data of each boiler, the pollution discharge time is automatically adjusted according to a dynamic proportional relation; the client can timely master the operation conditions of a boiler pollution discharge system; and pollution discharge parameters are adjusted timely through the client to prevent a lot of heat energy wastes caused by faults of the boiler pollution discharge system.

The invention provides a steam boiler which comprises an upper boiler barrel, a lower boiler barrel, ascending pipes and descending pipes; the ascending pipes and the descending pipes are connected between the upper boiler barrel and the lower boiler barrel; flow stabilization devices are arranged in the ascending pipes; each flow stabilization device comprises a core body axially arranged the center of the corresponding ascending pipe and a plurality of radial rods extending along the center rod to the radial directions; a plurality of fins extending from the radial rod downwards are arrangedon each radial rod; the fins are provided with sharp parts; and the sharp parts face downwards. With the adoption of the novel structure steam boiler with the flow stabilization devices, when gas-liquid two-phase flowing exists in the ascending pipes, heat transfer is improved, vibration of the ascending pipes is weakened, and the level of noise is lowered.

The invention provides a heat pipe which comprises an evaporation header, a condensation header, a rising pipe and a backflow pipe. The rising pipe is communicated with the evaporation header and the condensation header, the evaporation header is located at the lower portion, the condensation header is located at the upper portion, fluid absorbs heat and evaporates in the evaporation header, passes through the rising pipe to enter the condensation header and conducts heat exchange and condensation in the condensation header, and condensation fluid returns to the evaporation header through the backflow pipe; and a current stabilizer is arranged in the rising pipe and comprises a core body and a shell, the core is arranged in the shell, the shell is fixedly connected with the inner wall of the rising pipe, the core is an integrated structure piece extending in the length direction of the shell, and a plurality of through holes are formed in the structure piece. According to the heat pipe with the current stabilizer of the new structure, when vapor-liquid two-phase flow exists in the rising pipe, heat transfer strengthening is achieved; and meanwhile, vibration of the rising pipe is weakened, and the noise level is reduced.

The invention provides a rod-fin type loop heat pipe with varying sizes. The rod-fin type loop heat pipe includes an evaporation header, a condensation header, rising pipes and return pipes, flow stabilizing devices are arranged in the rising pipes, the flow stabilizing devices each include a core body and an outer shell, the core bodies are arranged in the outer shells, the outer shells are connected and fixed to the inner walls of the rising pipes, the core bodies each include a plurality of radial rods extending from the centers of the core bodies to the radial direction, and a plurality offins extending downwards from the radial rods are arranged on each radial rod; and the core bodies each include a core column arranged at the center of each core body, one ends of the radial rods arefixed into the core columns, and from the core columns of the rising pipes to the radial extension direction, the size of the fins on the same radial rods is getting larger and larger. According to the rod-fin type loop heat pipe with the varying sizes, the size of the fins on the rising pipe walls is increased, so that the ability to cut vapor phases and liquid phases near the pipe walls is enhanced. The ability to cut near the pipe walls is focused to be strengthened, and noise reduction and vibration damping can be targeted for specific situations, so that the effects of noise reduction and vibration damping are further achieved, and meanwhile, heat transfer can be further enhanced.

The invention provides a gas-liquid two-phase flow multi-tube type shell-tube heat exchanger. The gas-liquid two-phase flow multi-tube type shell-tube heat exchanger comprises a shell. Sealing heads are arranged at the two ends of the shell correspondingly. Tube plates are arranged at the connecting positions of the sealing heads and the shell. Heat exchange tubes are connected with the tube plates at the two ends, and a gas phase in gas-liquid two-phase flow can be condensed into a liquid phase in the heat exchange process. Each heat exchange tube is internally provided with flow stabilizersfor damping and noise lowering. The same heat exchange tube is internally provided with the multiple flow stabilizers. In the flowing direction of fluid in the heat exchange tubes, the distance between the adjacent flow stabilizers is gradually increased. According to the provided gas-liquid two-phase flow multi-tube type shell-tube heat exchanger, through the length changes of the flow stabilizers, when gas-liquid two-phase flow exists in a pipeline, pipeline vibration is weakened to the maximum degree, the noise level is reduced, meanwhile, flowing resistance is reduced, and the heat exchange uniformity is improved.

The invention provides a steam boiler method for pipe diameter design. The steam boiler method involves an upper boiler cylinder, a lower boiler cylinder, ascending pipes and descending pipes, whereinthe ascending pipes and the descending pipes are connected between the upper boiler cylinder and the lower boiler cylinder, the ascending pipes are internally provided with flow stabilizing devices,and each ascending pipe is internally provided with multiple flow stabilizing devices, wherein the design method comprises the steps that the distance from an inlet of one of the ascending pipes is H,the pipe diameter of each flow stabilizing device is D shown in the formula, wherein D' is first derivative of D, and D' is less than 0. The provided novel steam boiler design method has the advantages that heat transfer is strengthened, the vibration of the ascending pipes is weakened, and the noise level is reduced.

The invention provides a gas-liquid two-phase flow multitube type tubular heat exchanger. The gas-liquid two-phase flow multitube type tubular heat exchanger comprises a shell. The two ends of the shell are each provided with an end enclosure. The connection position of each end enclosure and the shell is provided with a tube plate. Each heat exchange tube is connected with the tube plates at thetwo ends. A gas phase in gas-liquid two-phase flow is insoluble or indissolvable gas, and in other words, in the heat exchange process, the gas is not dissolved into liquid. The gas-liquid two-phase flow multitube type tubular heat exchanger is characterized in that the heat exchange tubes are internally provided with the flow stabilizing devices used for absorbing shock and reducing noise; each heat exchange tube is internally provided with the multiple flow stabilizing devices; and the lengths of the flow stabilizing devices are reduced to a certain position gradually in the flowing direction of fluid inside the heat exchange tubes in the first place, and then the lengths of the flow stabilizing devices are gradually increased from the certain position. According to the gas-liquid two-phase flow multitube type tubular heat exchanger, the lengths of the flow stabilizing devices are variable; when the gas-liquid two-phase flow exists in a pipe, vibration of the pipe is weakened to a greatest extent, and the noise level is lowered; and meanwhile, flow resistance is reduced.

The invention provides a tubular heat exchanger. The tubular heat exchanger comprises a shell, heat exchange tubes, a tube pass inlet tube, a tube pass outlet tube, a tube pass inlet connecting tube and a tube pass outlet connecting tube. A heat exchange tube bundle formed by the multiple heat exchange tubes which are arranged in parallel is connected to a front tube plate and a rear tube plate. The front end of the front tube plate is connected with a front sealing head. The rear end of the rear tube plate is connected with a rear sealing head. The tube pass inlet tube is arranged on the rearsealing head. The tube pass outlet tube is arranged on the front sealing head. The tube pass inlet connecting tube and the tube pass outlet connecting tube are both arranged on the shell. Fluid of two-phase flow enters through the tube pass inlet tube, carries out heat exchange through the heat exchange tubes, and goes out of the tube pass outlet tube. The fluid in the heat exchange tubes is thegas and liquid two-phase flow in which the gas phase is insoluble or slightly soluble gas, and in other words, the gas will not dissolve in the liquid in the process of heat exchange. The ratio of thelength L of each heat exchange tube to the diameter of the shell of the heat exchanger ranges from 6 to 10. The tubular heat exchanger is a gas and liquid two-phase flow heat exchanger of a novel structure.

The invention relates to a loop heat pipe. The loop heat pipe comprises an evaporation part, a condensation part, a heat insulation part connecting the evaporation part and the condensation part, anda backflow part, wherein fluid absorbs heat and evaporates in the evaporation part, enters the condensation part through the heat insulation part, and condenses after heat exchange in the condensationpart, and the condensed fluid returns to an evaporation header through a backflow pipe. The loop heat pipe is characterized in that the evaporation part comprises a heat absorption pipe, the backflowpart comprises a condensation pipe, and the pipe diameter of the heat absorption pipe is larger than that of the condensation pipe. The loop heat pipe with the novel structure mainly increases the resistance of the condensation pipe and reduces the resistance of the evaporation part, so that steam can flow more easily from the evaporation part and the loop heat pipe can better form circulation.

The invention provides a length-changing non-condensable gas porous flow stabilizer heat exchanger which comprises a shell. Sealing heads are arranged at the two ends of the shell correspondingly. A pipe plate is arranged at the connecting position of each sealing head and the shell. Heat exchange pipes are connected with the pipe plates at the two ends. A gas phase in gas-liquid two-phase flow isinsoluble or indissolvable gas, that is, gas cannot be dissolved in liquid in the heat exchange process. Flow stabilizers used for vibration reduction and noise reduction are arranged in each heat exchange pipe. The corresponding multiple flow stabilizers are arranged in the same heat exchange pipe. In the flowing direction of fluid in the heat exchange pipes, the lengths of the flow stabilizersare gradually decreased to a certain position, and then the lengths of the flow stabilizers are gradually increased from a certain position. According to the length-changing non-condensable gas porousflow stabilizer heat exchanger, through length changing of the flow stabilizers, when gas-liquid two-phase flowing exists in a pipeline, pipeline vibration is weakened to the largest degree, the noise level is reduced, and meanwhile flowing resistance is reduced.

The invention provides a steam heat exchanger. The steam heat exchanger comprises a header and a steam pipe; steady flow devices are arranged inside the steam pipe and are each of a sheet structure; the sheet structures are arranged on the cross section of the steam pipe; the steady flow devices are composed of square through holes and right octagon through holes; the length of each side of the square through holes is equal to the length of each side of the right octagon through holes; the four sides of each square through hole are the sides of four different right octagon through holes; and the four spaced sides of each right octagon through hole are the sides of four different square through holes. Compared with a steady flow device in the prior art, the steam heat exchanger with the steady flow structures further improves the steady flow effect, enhances heat transfer and is easy to manufacture.

The invention provides a steam heat exchanger capable of evenly distributing flow. The steam heat exchanger comprises an upper collecting box, a lower collecting box and heat exchange pipes arranged between the upper collecting box and the lower collecting box. A heat source in the heat exchange pipe is steam. The heat exchanger comprises an inlet pipe. The inlet pipe is arranged on the lower collecting box. Partition devices are arranged in the heat exchange pipes. Each partition device is of a sheet structure and is composed of square through holes and regular octagonal through holes. The side lengths of the square through holes in the different heat exchange pipes are different, and the longer the distances away from the inlet pipe are, the larger the side lengths of the square throughholes are. By changing the side lengths of the square through holes along with the distances away from the inlet pipe, fluid is made to flow into the heat exchange pipes which are small in flowing resistance and long in distances away from the inlet pipe, and therefore the fluid can be evenly distributed in the heat exchange pipes, the heat exchange efficiency is improved, and the service life isprolonged.

The invention provides a liquid-vapor two-phase flow tubular shell type heat exchanger. The heat exchanger comprises a shell, wherein the two ends of the shell are separately provided with end sockets, tube plates are arranged at the connecting positions of the end sockets and the shell, and heat exchange pipes are connected with the tube plates at the two ends; a vapor phase in liquid-vapor two-phase flow can be condensed into a liquid phase in the heat exchange process, and the liquid-vapor two-phase flow flows in a tube pass; and flow stabilizing devices used for reducing vibration and noise are arranged in the heat exchange pipes, a plurality of flow stabilizing devices are arranged in the same heat exchange pipe, and the length of the flow stabilizing devices is gradually reduced in the flowing direction of fluid in the heat exchange pipes. According to the heat exchanger provided by the invention, through the length variation of the flow stabilizing devices, when the liquid-vaportwo-phase flow occurs in the pipeline, the vibration of the pipeline is reduced to an utmost degree, and the noise level is reduced; and at the same time, flow resistance is reduced, and the heat exchange uniformity is improved.

The invention provides a gas-liquid two-phase flow shell-and-tube heat exchanger, which includes a shell, and the two ends of the shell are respectively provided with heads, and the connection position between the head and the shell is set with a tube plate, and the heat exchange tube Connect the tube sheets at both ends, the vapor phase in the vapor-liquid two-phase flow can condense into a liquid phase during the heat exchange process, and the vapor-liquid two-phase flow flows in the tube side, and a flow stabilization device is installed in the heat exchange tube, and the stabilization The flow device includes a central rod arranged along the central axis of the heat exchange tube and a plurality of radial rods extending radially along the central rod, and a plurality of radial rods are arranged on the radial rods in the direction opposite to the fluid flow Extended fins having tips extending in opposite directions of fluid flow. The invention provides a heat exchanger of a flow stabilizing device with a new structure, which can enhance heat transfer, weaken the vibration of the pipeline and reduce the noise level when there is a vapor-liquid two-phase flow in the pipeline.

The invention provides a design method for a steam boiler. The steam boiler comprises an upper boiler cylinder, a lower boiler cylinder, an ascending pipe and a descending pipe, wherein the ascending pipe and the descending pipe are connected between the upper boiler cylinder and the lower boiler cylinder, and flow stabilizing devices are arranged in the ascending pipe. The design method comprises the following step that along with the increase of the pipe diameter of the ascending pipe, the distance between the adjacent flow stabilizing devices is continuously reduced. According to the provided design method for the steam boiler with the flow stabilizing devices with novel structures, the boiler which is designed by using the method has the advantages that when the steam and liquid two phases flow in the ascending pipe, the heat transfer is enhanced, meanwhile, the vibration of the ascending pipe is weakened, and the noise level is reduced.

The invention provides a cloud-computing boiler blow-off system. According to the cloud-computing boiler blow-off system, automatic control is carried out according to the amount of steam generated by boilers and the amount of water input to the boilers, the boilers are periodically subjected to blow-off operation, and a central diagnosis monitor automatically sets the blow-off amount according to the ratio of the mass of the steam to the mass of the water input to the boilers; and the monitoring diagnosis controller is in data connection with a cloud server so that the monitored data can be transmitted to the cloud server conveniently, the cloud server is connected to a client side, and the client side can obtain the monitored data through the cloud server. According to the cloud-computing boiler blow-off system, the amount of the input water and the amount of the generated steam of each boiler are monitored in real time so that the dynamic ratio relation of the amount of the input water and the amount of the generated steam can be obtained, the blow-off amount of the boilers can be automatically calculated according to the dynamic ratio relation, the blow-off time and the blow-off speed can be adjusted according to the blow-off amount, the operation condition of the boiler blow-off system can be timely mastered by the client side, the blow-off parameters can be adjusted timely through the client side, and therefore a large amount of heat energy waste caused by faults of the boiler blow-off system can be prevented.

The invention provides a design method of a steam boiler. The steam boiler comprises an upper boiler cylinder, a lower boiler cylinder, lifting pipes and falling pipes, wherein the lifting pipes and the falling pipes are connected between the upper boiler cylinder and the lower boiler cylinder. The design method comprises the steps that with the increase of the lifting pipe diameter, the lifting pipe spacing increases continuously. The change of a law is obtained by a large number of numerical simulation and experiments, and through the changes of the law, the heat transfer effect can be further improved.

The invention provides a steady flow evaporator. The steady flow evaporator comprises an inlet header, an outlet header, and a heat exchange component connected between the inlet header and the outletheader, wherein the inlet header and the outlet header are respectively connected with a steam inlet pipe and a condensate outlet pipe; the steam inlet pipe of the inlet header is internally providedwith a flow stabilizer, and the flow stabilizer has a sheet structure; the sheet structure is arranged on the cross section of the steam inlet pipe; the flow stabilizer is formed by a square structure and a regular octagonal structure, so that a square through hole and a regular octagonal through hole are formed. The flow stabilizer with the novel structure is adopted, namely, a flow stabilizer in a loop heat pipe is subjected to field transfer and is applied to an inlet pipe at an evaporation end of the loop heat pipe, so that a water hammer phenomenon caused by the space expansion when a steam-water mixture enters the inlet header can be reduced.