41 results about "Steam line" patented technology

The utility model relates to the technical field of chute steam pipelines, and discloses an improved chute steam pipeline cut-off structure which comprises a chute pipe, a discharging pipe is fixedly connected to the top of the chute pipe, a limiting block is fixedly connected to the interior of the discharging pipe, a first connecting cylinder is fixedly connected to the interior of the limiting block, and a second connecting cylinder is fixedly connected to the interior of the first connecting cylinder. A sealing assembly for clamping is slidably connected into the first connecting cylinder, a second connecting cylinder is slidably connected to the outer portion of the sealing assembly, connecting rings are fixedly connected to the outer portion of the first connecting cylinder and the outer portion of the second connecting cylinder, and sealing grooves are formed in the outer portions of the connecting rings. And a fastening assembly for limiting is mounted outside the sealing assembly. According to the steam cutting-off device, through a linkage mechanism of the air cylinder, the push rod, the rack plate and the gear, when the air cylinder is started, the rotating pipe can be accurately driven to rotate, an inner channel of the second connecting cylinder is not communicated with a channel of the conveying pipe any more, and steam cutting-off is achieved.

The utility model discloses a high-temperature steam recycling device which comprises a direct heat exchange steam pipeline, an indirect heat exchange steam pipeline, a heat exchange condenser a and a cold medium pipeline, the direct heat exchange steam pipeline is communicated with a fine filter box, and a microporous membrane is arranged in the fine filter box. Steam output by the fine filter box is communicated with the mixing tank through an output pipeline and an indirect heat exchange steam pipeline, and the mixing tank is communicated with the heat exchange condenser a through a condensation pipeline. According to the high-temperature steam recycling device, alumina particles with the particle diameter larger than that of water vapor drop particles or aluminum hydroxide suspended solids which are not completely decomposed in steam are filtered and separated in a microporous filtering mode, the temperature of the alumina particles or the aluminum hydroxide suspended solids is increased in a compression mode, and the alumina particles or the aluminum hydroxide suspended solids are recycled through heat exchange and then enter the next condenser to be released, so that the temperature of the alumina particles or the aluminum hydroxide suspended solids is reduced; therefore, heat energy can be recycled, meanwhile, the recycling efficiency of condensate water can be improved, and waste of water resources and heat energy is avoided.

The application provides an air-cooled steam pipeline drainage system, which effectively solves the problems of noise emission, high temperature radiation and white steam diffusion in the drainage process, and has a significant role in environmental protection and urban beautification. The system comprises a drainage device connecting and installing pipeline, a steam-water connecting pipe, a steam-water guide pipe, an air-cooled sleeve pipe and a heat dissipation sleeve pipe. The output end of the second pipeline is located at the lower end cavity of the air-cooled sleeve pipe, the upper part of the steam-water connecting pipe is fixedly provided with the steam-water guide pipe, the lower segment of the steam-water connecting pipe and the steam-water guide pipe is located in the upper cavity of the air-cooled sleeve pipe, the upper segment of the steam-water guide pipe is inserted into the lower cavity of the heat dissipation sleeve pipe, the upper end of the steam-water guide pipe is annularly provided with a plurality of height-directional arranged openings, and the inner wall of the upper cavity of the heat dissipation sleeve pipe is provided with a plurality of layers of fins.

The invention relates to a device for generating steam, comprising a heat source (17) for heating water, a first flash device (1) in which water heated by transferring heat from the heat source (17) is partly evaporated, and at least one compressor (23) having at least one compression stage (25.1,25.2) for compressing steam, the compressor being connected to a steam chamber in the first flash device (1) via a first steam line (21). A second flash device (9) is included which is connected to the first flash device (1) via a first connecting line (7) and a second connecting line (13) in such a way that non-evaporated water is conducted from the first flash device (1) into the second flash device (9) through the first connecting line (7) and non-evaporated water is conducted from the second flash device (9) into the first flash device (1) via the second connecting line (13), the second connecting line (13) being equipped with the heat source (17) and a pump (15) by means of which the pressure of the water can be increased. A second steam line (27) branches off from the second flash device (9) and opens into the first steam line (21) upstream of the at least one compressor (23), and at least one compensation compressor (29) is provided in the second steam line (27). The invention also relates to a method for generating steam in such a device.

The present application relates to the technical fields of synthetic ammonia waste heat recovery, in particular to a multi-stage waste heat boiler heat recovery device and a switching method, wherein the heat recovery device is connected with a 1.3MPa waste heat boiler, the 1.3MPa waste heat boiler is connected with a first water separator, the first water separator is connected with a first 0.5MPa waste heat boiler and a second 0.5MPa waste heat boiler, the first 0.5MPa waste heat boiler and the second 0.5MPa waste heat boiler are connected with a second water separator, the 1.3MPa waste heat boiler is connected with a 1.3MPa steam pipe network, the 1.3MPa steam pipe network is connected with a high-temperature heater, a low-methane separation tower reboiler and a 1.3MPa-0.5MPa steam pipeline, and the 1.3MPa-0.5MPa steam pipeline is connected with a 0.5MPa steam pipe network. The heat recovery device can convert part of low-quality steam into high-quality steam, fully utilize the waste heat of the shift gas, and realize the online switching of the 1.3MPa waste heat boiler through the control of the temporary temperature and pressure increasing pipeline and the guide valve.

The utility model provides an energy -conserving rectifying device, including raw material conveying pipeline, raw material conveying pipeline connects high pressure tower, low pressure tower respectively, high pressure tower connects high pressure tower reboiler, high pressure tower reboiler connects steam generator, steam generator still connects low pressure tower reboiler, low pressure tower reboiler connects low pressure tower, the top of high pressure tower is connected high pressure tower overhead cooler through cooling pipeline, high pressure tower overhead cooler connects tower top re -cooler, tower top re -cooler connects high pressure tower tank pump, high pressure tower tank pump connects tower top product output pipeline. High pressure tower overhead cooler is connected low pressure tower through steam pipeline. The utility model sets up low pressure tower, uses in combination with high pressure tower, carries out the secondary full use to the heat of rectification product of high pressure tower tower top output, saves the energy.

The utility model relates to the technical field of wine brewing equipment, and provides a rice husk steaming device which comprises a rack main body, a rice husk bin, a steam conveying pipeline, an exhaust pipeline and a pneumatic hammer pipeline, the chaff bin is arranged on the rack main body, a feed port is formed in the top of the chaff bin, a discharge port and a steam inlet are formed in the bottom of the chaff bin, and the steam conveying pipeline is connected with the steam inlet; the exhaust pipeline is communicated with the rice husk bin and is used for exhausting gas in the rice husk bin; the pneumatic hammer pipeline is arranged on the rack, and an air outlet of the pneumatic hammer pipeline is formed in the rice husk bin and is close to the discharging port. According to the utility model, the steam pipeline is arranged at the bottom of the rice husk bin, so that steam is used for steaming from bottom to top, the contact time of materials and the steam is prolonged, the whole rice husk bin is a closed environment, and the utilization rate of the steam is improved; and therefore, auxiliary scattering operation is realized by outputting pulse high-pressure gas during discharging, and the material is prevented from blocking a discharge port.

The utility model provides an automatic drainage device of a steam pipeline, which comprises a DN800 steam pipeline, the DN800 steam pipeline is communicated with a water inlet of a water collecting tank through a first condensate water drainage pipe, a temperature measuring point A and a temperature measuring point B are arranged in the water collecting tank, and the temperature measuring point A and the temperature measuring point B are communicated with a temperature controller; the temperature controller is used for controlling the electric switch valve, the function requirement for automatic drainage of the steam pipeline is met, economy and reliability are achieved, and leakage of pipeline steam during drainage can be reduced. The water collecting tank is installed on the horizontal drainage pipeline, the action frequency of the switch valve is reduced, steam leakage is reduced, the net-shaped grating is arranged in the water collecting tank, the blow-down valve is installed at the bottom of the water collecting tank, dirt in the water collecting tank can be cleaned regularly, and the influence of the dirt in the steam pipeline on the switch valve is reduced.

A reaction system for the synthesis of methanol from a make-up gas comprising hydrogen and carbon dioxide, comprising a catalytic converter and a steam system wherein the converter comprises at least one internal heat exchanger connected to the steam system and arranged to generate steam using heat of a methanol synthesis reaction, wherein the steam system comprises a steam drum separate from the converter, the steam drum is connected to the heat exchanger via a water inlet line to supply water to the heat exchanger and collects steam formed in the heat exchanger via a steam line, and wherein the steam system comprises an electric heater mounted inside the steam drum, and the electric heater is arranged to heat the feed water sent to the converter.

The utility model discloses a kind of anti-drop devices for steam pipeline, steam pipeline bottom is fixed with pipe support, pipe support is configured with the pipe support beam that it supports, anti-drop device includes: supporting component, it is arranged along the length reverse extension of steam pipeline, for supporting pipe support, the length of supporting component in the length direction of steam pipeline is greater than the length of pipe support;Limiting portion is formed on supporting component, for limiting pipe support;Fixed component is fixedly connected on supporting component, and the clamping portion with bottom opening is formed on fixed component, and clamping portion is used for clamping pipe support beam;Locking assembly is assembled on fixed component, is blocked in opening, for connecting fixed component and pipe support beam.The anti-drop device for steam pipeline proposed in the utility model can effectively support pipe support, and pipe support is hardly dropped when steam pipeline moves in small distance, greatly reduces the probability of pipe support due to moving drop, improves the security of use.

This application discloses a steam regulating valve assembly for a polycrystalline silicon differential pressure coupled distillation column. The steam regulating valve assembly is installed on the steam pipeline to regulate the amount of steam entering the reboiler. The steam regulating valve assembly includes: a main regulating valve unit, which is installed on the steam pipeline and has a first through-hole, and is used to regulate the flow rate of the main steam during the stable operation phase of the distillation column; and an auxiliary regulating valve unit, which is also installed on the steam pipeline and has a second through-hole, which is smaller than the first through-hole, and is used to perform micro-flow control of steam during the start-up phase of the distillation column.

The utility model discloses a composite two-stage core flat plate type loop heat pipe evaporator and a loop heat pipe system, and relates to the technical field of heat dissipation, the composite two-stage core flat plate type loop heat pipe evaporator comprises an evaporation mechanism and a loop pipeline mechanism, the evaporation mechanism comprises an evaporator upper shell, an evaporator lower shell, a first-stage liquid absorption core and a second-stage liquid absorption core, the evaporator upper shell is of a flat plate type cavity structure, and the loop pipeline mechanism comprises a first steam pipeline, a second steam pipeline, a third steam pipeline, a stainless steel ferrule type elbow, a liquid pipeline and jacket type condensing equipment. Efficient heat dissipation of a high-heat-flux and complex heat source environment is achieved, the heat transfer performance and stability of the loop heat pipe system are remarkably improved, and the loop heat pipe system can be widely applied to the fields of electronic equipment heat dissipation, spacecraft thermal control, industrial thermal management and the like.

The utility model belongs to the technical field of steam pipeline equipment, and relates to an anti-freezing energy-saving superheated steam pipeline which comprises a steam main pipe, a direct discharge pipe is led out of the steam main pipe and connected to a heat preservation pool, a root valve and a direct discharge valve are respectively arranged on the direct discharge pipe, a drain pipe is led out of the direct discharge pipe, a steam trap is arranged on the drain pipe, and the root valve and the direct discharge valve are connected to the heat preservation pool. A stirring fan and an electric heating wire are arranged in the heat preservation pool; and outlet pipes are arranged on two sides of the heat preservation pool. According to the utility model, the problem of freezing of the steam pipeline in a low-temperature environment is effectively prevented, meanwhile, the energy-saving effect is realized through the matching of the electric heating wire and the stirring fan, and the operation efficiency and the safety of the steam pipeline are improved.

The utility model relates to the technical field of chemical engineering, in particular to a fluidized bed residual oil hydrocracking device fractionating tower coking treatment system which comprises a fractionating tower, an atmospheric tower hot feeding line, a fractionating tower outlet line, an atmospheric wax oil circulation line, a circulation branch line, a diesel oil extraction line and an inlet steam line which are connected to the atmospheric wax oil circulation line, a normal-pressure wax oil collecting tank is arranged in the fractionating tower; a hot feeding line of the atmospheric tower is connected to an inlet of the fractionating tower; one end of the fractionating tower outlet line is connected with an outlet of the fractionating tower, the other end of the fractionating tower outlet line is connected with an inlet of the normal-pressure wax oil stripping tower, a tower inlet valve is arranged on the fractionating tower outlet line, a first bypass pipeline is arranged on the tower inlet valve, and a valve group is arranged on the first bypass pipeline. A normal-pressure wax oil collecting tank of a fractionating tower is forwards or reversely cleaned by introducing a diesel oil extraction line, and the normal-pressure wax oil collecting tank of the fractionating tower can be reversely cleaned by introducing an inlet steam line, so that the problem of coking and blockage of the normal-pressure wax oil collecting tank is solved.

The utility model discloses a sampling pipe reverse blowing device for measuring coke oven gas amount by a pore plate, which relates to the technical field of instrument maintenance and comprises the pore plate, a first pressure tapping pipeline, a second pressure tapping pipeline, a first three-way valve, a differential pressure transmitter, a first heat preservation heat tracing steam pipeline and a second heat preservation heat tracing steam pipeline, one end of the first pressure tapping pipeline is communicated with the coke oven gas pipeline at the front end of the pore plate, one end of the second pressure tapping pipeline is communicated with the coke oven gas pipeline at the rear end of the pore plate, and one ends, far away from the coke oven gas pipeline, of the first pressure tapping pipeline and the second pressure tapping pipeline are communicated with the differential pressure transmitter; the first heat preservation tracing steam pipeline is communicated with the first pressure tapping pipeline, and a fifth valve is arranged on the first heat preservation tracing steam pipeline; the flow measuring device has the advantages that the flow measuring device is simple in structure and convenient to use, and the flow measuring accuracy of the orifice plate can be effectively guaranteed.

A carbon dioxide recovery system includes: a regeneration tower that releases carbon dioxide from an absorption liquid that has absorbed the carbon dioxide; a reboiler that heats the absorption liquid by exchanging heat between the absorption liquid in the regeneration tower and reboiler steam; a reclaimer that heats the absorption liquid by exchanging heat between the absorption liquid supplied from the regeneration tower and reclaimer steam to generate absorption liquid steam, which is steam of the absorption liquid; an absorption liquid steam line for supplying the absorption liquid steam generated by the reclaimer to the regeneration tower; and a first compressor that compresses the reclaimer steam before supplying the reclaimer steam to the reclaimer. The first compressor compresses steam supplied from a steam supply source to the carbon dioxide recovery system.

The invention belongs to the technical field of lead-bismuth reactors, and particularly relates to a direct immersion type passive container cooling system. A water storage tank is mounted at the top of a reactor building, an outer pit and an inner pit jointly form a cooling tunnel, the outer pit and the inner pit are separated by a waterproof reactor container supporting structure, a reactor core is placed in the inner pit, a wall cooling channel is arranged on the periphery of the reactor core, the inner pit is communicated with a bottom opening of the wall cooling channel, and a steam pipeline is arranged on the wall cooling channel. A water outlet pipeline is arranged at the lower end of the water storage tank and located at the upper end of the outer pit, and an isolating valve is arranged on the water outlet pipeline. According to the method, under the extreme working condition that all accident heat removal paths are lost or an accident residual removal system cannot effectively remove heat, the integrity of the coolant boundary within a long time after emergency shutdown of the pool type lead-bismuth reactor can be ensured, it is ensured that the reactor core has a cooling shape, and sufficient response time is provided for an operator to analyze, make a decision and carry out accident relieving operation.

The application discloses a kind of sodium-cooled fast reactor main steam pipeline system debugging method, comprising the following steps: according to sodium-cooled fast reactor main steam pipeline system function, sodium-cooled fast reactor main steam pipeline system needs to be screened out and is debugged equipment;According to the equipment needing to be debugged of sodium-cooled fast reactor main steam pipeline system, the performance of equipment is analyzed, determines the debugging test item and content that each equipment should execute;Determine the debugging technical requirement and order of the debugging test item that each equipment should execute.The sodium-cooled fast reactor main steam pipeline system debugging method, by analyzing the design characteristics of sodium-cooled fast reactor main steam pipeline system and the actual demand of system debugging work execution, the debugging technical requirement of this system is described in detail, the adoption of this debugging technical requirement will be able to fully, efficiently verify the function of sodium-cooled fast reactor main steam pipeline system, to ensure that sodium-cooled fast reactor main steam pipeline system fully play system function when sodium water accident occurs provides strong guarantee.

The invention discloses a monitoring system and method for a main steam pipeline of a steam turbine, and relates to the technical field of sensor devices.The monitoring system comprises a monitoring mechanism, an auxiliary mechanism comprises a single-opening pipe and two mounting holes, a pipe cover is additionally arranged at one end of the single-opening pipe, and a plurality of first through holes are formed in the surface of the pipe cover in advance; an annular filter disc is additionally arranged on one end face of the pipe cover, a fan blade is fixed to one end of each rotating shaft, chain wheels are fixed to the positions, close to the other ends, of the outer surfaces of the two rotating shafts, and a plurality of second through holes are formed in one end face of the single-opening pipe in advance; by arranging the auxiliary mechanism, the heat dissipation component can be driven to start without providing a power source, so that heat dissipation operation on non-high-temperature-resistant components on the monitoring system is realized.

This utility model relates to the field of steam regulation and distribution technology, and is a high-efficiency steam regulation and distribution device for an ammonia synthesis system. It includes a first boiler, a second boiler, a third boiler, a desuperheater and pressure reducer, an air separation turbine, an ammonia synthesis turbine, and a medium-pressure user steam network. A first high-pressure steam pipeline connects the third boiler to the air separation turbine; a second high-pressure steam pipeline connects the second boiler to the ammonia synthesis turbine; a first medium-pressure steam pipeline connects the third boiler to the medium-pressure user steam network; a second medium-pressure steam pipeline connects the second high-pressure steam pipeline to the first medium-pressure steam pipeline; and a desuperheater and pressure reducer are connected to the second medium-pressure steam pipeline. This utility model has a reasonable and compact structure, is easy to use, shortens the time and resource consumption for chemical cleaning and steam purging of power steam pipelines, reduces steam transport heat energy loss, and also ensures stable operation of steam-using equipment in the ammonia synthesis system.

The utility model relates to the field of pressure monitoring, in particular to a real-time monitoring and conveying hydraulic device of a steam pipeline, which comprises a pipeline main body, the inner side of the pipeline main body is slidably connected with the mounting pipe, the upper end part of the mounting pipe is fixedly connected with a supporting table, the inner side of the supporting table is provided with a rotating table, the upper end part of the rotating table is fixedly connected with a hand wheel, and the lower end part of the rotating table is fixedly connected with a partition plate for partitioning steam; the installation pipe and the supporting table are connected into the pipeline body, the height of the rotating table is controlled through the hand wheel and the threaded groove, so that the pipeline is closed to transport steam, escaping steam is reduced through the partition plate, and during pressure measurement, the piston is matched with the installation pipe to bear steam pressure in the pipeline body, so that the piston is pushed to rise. And then the connecting rod and the limiting block are pushed, the limiting block is used for pushing the pressure measuring device to indirectly measure pressure, the possibility that the core pressure measuring device is damaged is reduced, and maintenance and replacement can be conducted in the steam transportation process.

The invention relates to the technical field of petrochemical equipment maintenance process treatment, and particularly discloses a shutdown airtight treatment method for an electric desalting tank. The device comprises an electric desalting tank body, and a crude oil feeding pipeline, a crude oil outlet pipeline, a safety valve overline, a close-packed pipeline, a low-pressure steam pipeline and a backwashing water supply flow which are connected with the body, the crude oil feeding pipeline is provided with a crude oil feeding valve and a raw material bypass valve connected in parallel, and a water injection flow with a water injection valve is branched; the tank top is provided with an outlet collector and a safety valve overline with a tank top safety valve overline valve, the tank bottom is provided with a close-packed pipeline with a drain valve and a low-pressure steam pipeline with a tank bottom low-pressure steam valve, and a backwashing distributor communicated with a backwashing water supply flow with a backwashing water supply valve is arranged in the tank. According to the device, by optimizing the original technological process, segmented replacement and recovery, fully-closed discharge and rapid backflushing cooling are achieved, additional equipment does not need to be additionally arranged, the operation difficulty and cost are reduced, and the shutdown period is shortened.

This utility model discloses a steam pipeline for a steam humidification mechanism. A drying mechanism is installed on the left and right frames. The drying mechanism includes a steam inlet, an inner steam channel, and a drain outlet connected in sequence. The steam inlet and drain outlet are connected to a steam distributor for water circulation. The inner steam channel includes two sub-channels, forming a symmetrical S-shaped path on both sides for the horizontal, meandering transport of steam to heat the inner surface. By dividing the inner steam channel into left and right sub-channels, this utility model increases the circulation speed of the two steam paths, thus avoiding the problem of reduced heating and drying capacity due to temperature drops in the later sections of a longer channel. Halving the length of the channel in the width direction also reduces the temperature difference between the left and right sides, which helps maintain consistent evaporation performance throughout the width direction. Dividing the channel into two reduces the initial setup cost and the subsequent cleaning and maintenance costs and difficulties.

The invention pertains to a plant for producing carbon dioxide (CO2), featuring a separation system connected to a gas mixture of flue gas and CO2. This system separates CO2 from the flue gas and operates with steam from a steam line. A first CO2 line, connected to the separation system, directs the separated CO2 through a preheater, increasing its temperature. A multi-stage compressor, linked to the preheater, raises the CO2's temperature and pressure. After one stage, CO2 passes through a steam generator, where its thermal energy generates steam from water. The cooled CO2 is recirculated to the compressor's next stage. The steam produced is connected back to the separation system via the steam line. Finally, CO2 exiting the compressor's last stage is reheated in the preheater and directed into an outlet line.

The application discloses a nuclear power plant steam extraction heat supply system with a steam heat accumulator, comprising a power generation module, a steam extraction module, a heat supply module and a heat accumulator module: a steam generator is connected with a high-pressure cylinder, a low-pressure cylinder and a condenser in sequence; the low-pressure cylinder is connected with a generator; a steam extraction inlet is connected with a steam pipeline between the high-pressure cylinder and the low-pressure cylinder; a first steam extraction outlet and a second steam extraction outlet are connected with a first steam inlet, the second steam extraction outlet is connected with a second steam inlet, a steam outlet of the low-pressure cylinder and the first steam extraction outlet are connected with a steam inlet of the condenser, a condensate outlet of the condenser is connected with an inlet of a feed water pump through a water extraction port, and an outlet of the feed water pump is connected with a second water inlet. The application uses condenser warm drainage as the water inlet of the steam heat accumulator, can enhance the flexibility of the nuclear power plant heat supply, improve the upper limit of the heat supply capacity, improve the heat utilization efficiency of the reactor and prolong the service life of the steam heat accumulator under the premise of no adjustment of the steam extraction amount and stable power operation of the reactor.

A heat utilization system includes: a heat recovery device configured to generate first steam and second steam with a lower pressure than the first steam from water by heat exchange between a heating fluid and the water; a discharge source which discharges the heating fluid; a first steam turbine driven by the first steam; a pressure reduction part configured to reduce pressure of exhaust steam which is steam that has driven the first steam turbine; a heat demand facility which utilizes heat of at least one of at least part of the exhaust steam or the second steam; an exhaust steam line connecting the first steam turbine and the heat demand facility; and a second steam line through which the second steam flows out of the heat recovery device. The second steam line is connected to the exhaust steam line at a position downstream of the pressure reduction part.

The invention relates to a nuclear power station. The nuclear power station comprises a water treatment system, a deaerator, a water pump, a heater and a nuclear steam generating device. The water treatment system is connected with the deaerator, and the deaerator is connected with the heater through the water pump; the nuclear steam generating device is connected with the deaerator through a first nuclear steam pipeline; and the deaerator is used for treating water in the water treatment system by adopting the nuclear steam generated by the nuclear steam generation device. By adopting the method, the nuclear steam generated by the nuclear steam generating device can be used as the deoxygenated steam of the deaerator, namely, the nuclear steam can be used for replacing medium-pressure steam in a medium-pressure steam pipe network to supply the deoxygenated steam to the deaerator, so that the nuclear steam can be effectively coupled with the nuclear power station, the carbon reduction target can be effectively achieved, and the energy consumption is reduced. And the heat supply effect of the nuclear power station can be improved.

The utility model relates to the field of loop heat pipes, in particular to a parallel type multi-evaporator loop heat pipe which comprises a plurality of evaporators, a condenser and a liquid storage device, capillary cores are arranged in the evaporators and divide the interiors of the evaporators into upper cavities and lower cavities, and a liquid pipeline comprises a liquid main pipeline and a plurality of liquid branch pipelines. According to the parallel type multi-evaporator loop heat pipe, when the number of heat sources changes, the number of the evaporators can be changed according to needs, and the steam pipelines and the liquid pipelines are designed to be of a detachable splicing structure, so that when the subsequent heat sources change, the length of the steam pipelines and the length of the liquid pipelines are not changed, and the number of the evaporators can be changed according to needs. And the length is correspondingly changed, so that the device can be suitable for being used in a multi-point heat source environment. And according to the evaporator loop heat pipe, the working medium phase change time of liquid is prolonged by changing the number of the filling strips blocking the water flow grooves, and the service life of the loop heat pipe is prolonged.

A computational method for investigating the gas compression and temperature rise phenomenon in the main steam pipe of a nuclear reactor is proposed. This method is applicable to simulating the abnormal temperature and pressure rise in the secondary steam pipe of the steam generator caused by the loss of secondary feedwater and the closure of the main steam isolation valve in a full-pressure small reactor. The method mainly includes the following parts: 1. Simplifying the geometry of the secondary steam main pipe and constructing a 3D model; 2. Using SpaceClaim software to perform 3D modeling of the simplified steam main pipe structure; 3. Using the mesh function of Fluent software to generate a computational mesh for the model; 4. Establishing suitable compressible flow and turbulence models; 5. Defining boundary conditions and initial conditions; 6. Setting the solver and solution method, and setting the time and spatial discretization formats; 7. Adjusting the sub-relaxation factor and setting the time step that conforms to the computational time scale; 8. Setting the convergence criterion and monitoring physical quantities such as cross-sectional temperature and inlet pressure until the pressurization process in the 3D model ends and the container reaches a steady state.

A steam cooking system includes a steam chamber, a door, a steam generator, a steam line, a steam valve, a vent / drain valve, and a controller. The steam chamber has an interior. The door is positioned on the steam chamber, and the door has an open position and a closed position. The steam line connects the steam generator to the interior of the steam chamber. The steam valve is positioned along the steam line. The vent / drain valve is mounted on the steam chamber in communication with the interior of the steam chamber. The controller is connected to and configured to operate the steam valve and the vent / drain valve. The controller operates the vent / drain valve to open when the door is in the open position, and operates the vent / drain valve to open periodically when the door is in the closed position.