77 results about "Steam line" patented technology

The invention discloses a steam pipeline pressure control method, which comprises the following steps of: acquiring operation information of each key position of a pipe network in real time by constructing a data acquisition system and deploying an execution unit; a multivariable analysis method is utilized, topological structure characteristics of a steam pipeline are combined, a load change model of a steam consumption unit is constructed, the pressure change process caused by operation of different devices is recognized in advance, and a long-term pressure control strategy is made; meanwhile, an accumulative deviation curve is constructed based on a prediction and actual measurement residual evolution sequence, the potential fault risk of the system is identified in an auxiliary manner, and structured alarm output is formed, so that the safety guarantee capability of pipe network operation is enhanced. The steam pipeline pressure control method is suitable for the application scene that the overall steam use requirement is stable, but the local high-frequency disturbance behavior exists, the tiny pressure fluctuation trend can be accurately predicted under the high-disturbance working conditions such as frequent starting and stopping, and it is guaranteed that the steam pressure is stable.

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 invention provides a high-temperature steam pipeline running state detection method and system based on failure mode recognition. The method comprises the steps that real-time state data of a steam pipeline are acquired; performing feature extraction on the real-time state data to obtain real-time state features of the steam pipeline; inputting the real-time state characteristics into a preset failure mode recognition model, so that the failure mode recognition model recognizes a dominant failure mode of the steam pipeline according to the real-time state characteristics; extracting corresponding target features from a plurality of historical state data of the steam pipeline according to the type of the dominant failure mode; and inputting stress distribution characteristics in the real-time state characteristics and the target characteristics into a preset operation state detection model, so that the operation state detection model generates the current operation state and the residual life of the steam pipeline according to input data, and the accuracy of detecting the operation state of the high-temperature steam pipeline is improved.

A gas turbine engine including a core air passage, a combustor, and a steam line. The combustor is located in the core air passage and combusts hydrogen fuel producing combustion gases. The steam line is fluidly coupled to the core air passage at a position downstream of the combustor to receive a portion of the combustion gases. A conduit thermally coupled to an external surface of an aircraft may be fluidly coupled to the steam line to receive the combustion gases and to heat the external surface. The gas turbine engine may also include a water vapor condenser fluidly connected to the steam line to receive the combustion gases and to condense the water vapor of the combustion gases. At least one nozzle may be fluidly coupled to the water vapor condenser to inject the condensed water into the core air passage.

The utility model discloses a waste heat recovery system for an instant noodle factory. The waste heat recovery system comprises a first ejector, a frying line, a first flash tank, a second ejector, a second flash tank, a noodle steaming line and a heat exchanger, a branch pipeline is arranged at the high-pressure front end of the main pipeline and is connected with a first flash tank; a steam outlet of the first flash tank is connected with an ejection opening of a first ejector; one pipeline outlet of the main pipeline is connected with a high-pressure inlet of the first ejector, and an outlet of the first ejector is connected with the frying line; another pipeline outlet of the main pipeline is connected with a high-pressure inlet of the second ejector, an outlet of the second ejector is connected with the noodle steaming line, and an outlet of the noodle steaming line is connected with the heat exchanger. The waste heat recovery device has the advantages that waste heat of high-temperature condensate water of 0.8 Mpa is fully utilized, direct discharge is avoided, and a large amount of energy is recovered; waste heat of 1.2 Mpa high-temperature and high-pressure hot water is fully utilized, and low-pressure steam is generated; the pressure energy of high-pressure steam is fully utilized, and pressure reduction is not needed.

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 invention discloses a pressurized water reactor nuclear power unit power adjusting system and method, and belongs to the technical field of pressurized water reactor nuclear reactors, the system comprises a pressurized water reactor nuclear steam supply system and a bypass system arranged on a steam generator secondary side steam pipeline of the pressurized water reactor nuclear steam supply system; wherein the bypass system comprises a steam bypass subsystem, a composite material heat storage subsystem and an air power generation subsystem; the steam bypass subsystem is used for introducing excess steam in the pressurized water nuclear reactor nuclear steam supply system into the composite material heat storage subsystem for heat energy storage, and the air power generation subsystem absorbs the heat energy stored in the composite material heat storage subsystem through compressed air to drive a turbine to generate power. Under the condition that the operation power of the nuclear reactor is not changed, the steam heat energy of the bypass steam turbine is stored in a mode of sensible heat energy of the composite material, the problem of mismatching between power supply and power demand is solved, and power adjustment of the pressurized water reactor nuclear power unit is achieved.

The invention relates to the technical field of high-temperature and high-pressure medium discharge noise reduction, and particularly discloses a high-temperature and high-pressure steam-water discharge noise reduction system for a reactor voltage stabilizer. The noise reduction system comprises a pressure stabilizer and a steam-water separator, an outlet of the pressure stabilizer is connected with an inlet of the steam-water separator through a steam-water pipeline, the upper portion of the steam-water separator is connected with the pressure container through a steam pipeline, and the lower portion of the steam-water separator is connected with the open water tank through a first liquid pipeline. The multi-stage depressurization silencing device is composed of a first-stage depressurization silencer, a second-stage vortex type silencing cabin and a third-stage microplate silencer which are connected in series, a generator is arranged between the second-stage vortex type silencing cabin and the third-stage microplate silencer, a porous discharge pipe is arranged in the pressure container, and an inlet of the porous discharge pipe is connected with an outlet of the third-stage microplate silencer. By means of the system, safe noise reduction discharging of high-temperature and high-pressure liquid water in the pressure stabilizer can be achieved, and meanwhile energy of high-temperature and high-pressure steam can be efficiently and reliably recycled.

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 discloses a multi-type combined crystallization system. Comprising a steam line, a plurality of heaters and a plurality of separators, the steam line comprises a plurality of steam branches, each steam branch is provided with a first control valve, a second control valve is connected between each steam branch and a steam loop, and a third control valve is arranged on the steam loop between the adjacent heaters or separators. The first control valve can independently control opening and closing of each steam branch, and after the first control valve controls opening and closing of a certain heater and separator, the second control valve and the third control valve are matched with the first control valve to enable steam to flow out of the steam loop, so that an operator can control the steam branch to flow out according to specific process requirements. And the heater or the separator or the combination of the heaters or the separators is selected to carry out crystallization work, so that the device can be suitable for various different crystallization processes and production scenes.

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 invention provides an apparatus and method for analysing the purity of a steam flow in a steam line (1). A sample of the steam flow from the steam line (1) is directed into a sampling pocket (4) and condensed into water in the sampling pocket. The purity of the condensed sample is determined (5) and the sample is returned back to the steam line (1).

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.

The invention provides a steam pipeline purging targeting device which comprises a flow monitoring module arranged on a steam pipeline and used for acquiring steam flow data and sending the steam flow data to a control module; the control module is electrically connected with the flow monitoring module and controls the opening degree of the adjusting valve and the opening degree of the temporary flushing door. The regulating valve is arranged at the output end of the steam pipeline, the opening and closing degree of the regulating valve is controlled by an instruction of the control module, and the regulating valve is used for controlling the flow of steam flowing into the purged pipeline; the temporary flushing door is arranged at the output end of the purged pipeline, and the temporary flushing door is used for storing energy or releasing steam in the purged pipeline; the target plate device is arranged at the output end of the blown pipeline and used for receiving steam discharged by the blown pipeline, and the blowing effect is embodied. The control module automatically obtains steam flow data in the steam pipeline through the flow monitoring module, the opening degree of the adjusting valve and the opening degree of the temporary flushing door are controlled respectively, the purging process is completed, and unmanned on-site monitoring is achieved.

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.

This invention discloses a multi-stage evaporation-condensation heat dissipation device for variable loads, comprising an evaporator, a condenser, a liquid receiver, steam lines, and liquid lines. The evaporator consists of a shell, reinforcing columns, a capillary wick, a liquid channel, a steam channel, a liquid plug, and a steam plug. The condenser consists of a base plate, condensation channels, and movable baffles. The condenser has multiple corresponding steam inlets and liquid outlets, connected to multiple evaporators via steam and liquid lines, respectively. The baffles can move left and right within the condenser to adjust the area of ​​adjacent condensation channels. This invention features a simple structure; the condensation area of ​​each region can be adjusted to correspond to different heating powers of each evaporator, thus improving its heat dissipation efficiency. Furthermore, the evaporators and condensers are connected in series, eliminating the need for flow distribution and avoiding the heat dissipation deterioration problem caused by uneven flow distribution, as seen in parallel evaporator loop systems.

The utility model relates to the field of chemical production, and discloses a chemical centrifugal protection device for preventing free water from separating, which comprises a fixed base, a centrifugal machine is arranged at the top end of the fixed base, an air inlet pipe is arranged on the right side of the centrifugal machine, a steam valve is arranged on the periphery of the air inlet pipe, and a connecting hose is sleeved at the right end of the air inlet pipe. The right side of the connecting hose is sleeved with an air inlet assembly, the periphery of the connecting hose is in contact with an extrusion ring, a deformation notch is formed in the inner side of the extrusion ring, an extrusion slope is arranged on the outer side of the extrusion ring, and the extrusion slope on the right side of the extrusion ring is in contact with a fixed extrusion block. According to the utility model, the fixed extrusion block, the extrusion ring, the movable extrusion block and the rotating bolt are arranged to fix the extrusion ring, so that the hose is ensured to be tightly connected with an air inlet and steam pipeline, the air tightness is enhanced, the damage of vibration of a centrifugal machine to the pipeline is reduced, the steam pipeline is prevented from being damaged and leaked, and the production safety is ensured.

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 hot water preparation device for lyocell fiber production and relates to the technical field of industrial heat energy engineering and energy saving, which comprises a horizontal oil-fired boiler, a hot water preparation heat exchanger, a hot water circulating pipeline and a circulating water pump. The horizontal oil-fired boiler is connected with the hot water preparation heat exchanger through a steam pipeline. The hot water obtained by heating steam delivered from the horizontal oil-fired boiler is delivered to a dissolving section equipment in lyocell production through a hot water outlet pipeline in the hot water circulating pipeline connected with the hot water preparation heat exchanger. The horizontal oil-fired boiler is adopted to produce high-temperature steam when a main steam source fault or interruption occurs in lyocell fiber production, high-temperature hot water is prepared based on the high-temperature steam and used as process water for lyocell fiber production, so that the decomposition or hardening of glue liquid in the pipeline caused by insufficient or unstable hot water supply is effectively avoided, and the continuous and stable production of lyocell fiber is ensured.

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.