147results about "Steam separation arrangements" patented technology

The utility model relates to the technical field of waste heat recovery, in particular to a waste heat boiler steam condensate recovery device which comprises a tank body, a discharge pipeline arranged at the top of the tank body, a steam pipeline communicated with the tank body and a backflow pipeline communicated with the bottom of the tank body. The periphery of the condensation plate is in contact with the inner wall of the tank body, and air holes are formed in the condensation partition plate; the connection position of the steam pipeline and the tank body is lower than the condensation partition plate. According to the utility model, the problem that secondary steam discharged by the blowdown expander can be directly discharged into the atmosphere to form loss is solved.

The invention discloses a water-vapor separation high-temperature steam boiler, which relates to the technical field of steam boilers, and comprises a water-vapor play prevention mechanism, an evaporation chamber, a condensing device, a driving device and a combustion device, the condensing device exchanges heat with high-temperature flue gas, preheats water entering the evaporation chamber, reduces thermal stress, and improves the combustion efficiency. The water vapor moving prevention mechanism controls a water vapor flowing path in the evaporation chamber, so that more sufficient wall-attached flowing or disturbance flowing of water is formed in the evaporation chamber, the heat exchange area of water and the inner wall of the evaporation chamber is increased, the water is promoted to rapidly absorb heat and evaporate, meanwhile, an ascending path of water vapor in the boiler is prolonged, and the heat exchange efficiency is improved. And the retention time and evaporation time of water are prolonged in a limited boiler space, so that the water in the steam can be heated and evaporated more sufficiently, the content of the water carried in the steam is reduced, the dryness and output temperature of the steam are improved, and the energy-saving and water-saving effects in the boiler operation process are achieved.

A biomass steam boiler comprises a combustion chamber and a cylindrical body arranged above the combustion chamber, an upper cavity and a lower cavity are communicated through a plurality of heat exchange pipes, a water pressing strip with the width smaller than the inner diameter of each heat exchange pipe is fixed to the top in each heat exchange pipe, and semicircular water pressing pieces arranged up and down are arranged on the sides of the water pressing strips respectively. The semicircular water pressing piece is formed by stamping, cutting and bending a water pressing strip body, a notch structure corresponding to the water pressing piece in shape is formed in the cutting portion of the water pressing strip, a smoke exhaust pipe is arranged on one side of the top of the outer portion of the body, a steam outlet is formed in the top of the upper cavity, and a water adding opening is formed in one side of the lower cavity. The water pressing strip and the water pressing piece form a good water blocking structure, water in the heat exchange pipe, particularly heated boiling water, can be greatly reduced, water resources can be effectively utilized, heat discharged along with the water is reduced, and liquid water can be effectively prevented from entering external equipment to corrode the external equipment for a long time.

The invention belongs to the technical field of nuclear power station water chemical working conditions, and relates to an anti-corrosion system and method for a nuclear power station secondary circuit MSR drainage system. A heat exchange pipe is arranged on a steam-water separation reheater, an inlet of the heat exchange pipe is connected with a high-pressure cylinder steam extraction pipeline, an outlet of the heat exchange pipe is connected with an MSR reheater drain tank, and the shell side of the steam-water separation reheater is connected with a high-pressure cylinder steam exhaust pipeline and an MSR separator drain tank. The hydrogen peroxide solution tank is connected with the high-pressure cylinder steam extraction pipeline through a first dosing pump, a second hydrogen peroxide meter and a first iron meter are arranged at an outlet of the MSR reheater drain tank, and the hydrogen peroxide solution tank is connected with the high-pressure cylinder steam exhaust pipeline through a second dosing pump; the 3-methoxypropylamine solution tank is connected with the high-pressure cylinder steam exhaust pipeline through a third dosing pump, and a third hydrogen peroxide meter, a conductivity meter and a second iron meter are arranged at an outlet of the MSR separator drain tank.

The application discloses a high-voltage heating single molten salt tank steam outlet device, a molten salt pump is arranged outside the molten salt tank, the molten salt pump is connected with a high-temperature molten salt distributor, a steam drum is provided with a steam drum high-temperature molten salt inlet, a low-temperature molten salt outlet, an oxygenated water inlet and a steam outlet, the steam drum high-temperature molten salt inlet and the low-temperature molten salt outlet are communicated through a heat exchange molten salt pipe, the steam drum high-temperature molten salt inlet is communicated with a mixed liquid outlet through a pipeline one, the low-temperature molten salt outlet is communicated with a low-temperature molten salt distributor through a pipeline three, the pipeline three is provided with a proportional valve, the proportional valve is communicated with the low-temperature molten salt inlet through a pipeline four, and the molten salt pump is communicated with the mixed device high-temperature molten salt inlet through a pipeline two.The application has the following characteristics: a single tank design is adopted, a hot tank and a cold tank are not needed, an external circulation structure is reduced, and thus the investment of a molten salt heating furnace is reduced, cost is saved, molten salt in a gravity recovery pipeline can be recovered, a high-pressure sleeve type electric heater is adopted to reduce the investment of a transformer and a secondary cable, and molten salt does not need to be discharged when the heater is replaced.

An air inlet device and an exhaust mechanism are connected to the two sides of the recuperative boiler body respectively, and the recuperative boiler body comprises a water inlet bin, a combustion layer and a steam storage bin which are sequentially arranged from bottom to top. The combustion layer comprises a combustion bin communicated with the air inlet device and the exhaust mechanism, and an isolation bin for isolating the combustion bin from the outer wall; a plurality of steam guide pipes which vertically communicate with the water inlet bin and the steam storage bin and are arranged at intervals are arranged in the combustion bin; two membrane walls for separating the isolation bin from the combustion bin are arranged in the combustion layer; the membrane wall guides high-temperature airflow to flow to the exhaust mechanism; and the combustion bin is provided with a convex inner cavity which is gradually expanded close to the exhaust mechanism. According to the utility model, the structural design is reasonable, the convex space is arranged in the combustion bin, the narrower air duct is arranged at the ignition port to guide high-temperature air flow to quickly pass through, and the larger space is arranged at the position far away from the ignition port, so that the retention time of the high-temperature air flow is prolonged, and the balance of the heating efficiency of the front space and the rear space in the combustion bin is realized; and equipment loss caused by local high temperature is reduced.

Even if water accumulates in the guide discharge section that sends the steam generated in the steam generating container to the destination, the steam will not be sent to the destination if condensation occurs inside the section. [Solution] The steam generator 30 comprises a steam generating container 31 having a nozzle 31a for ejecting steam generated from water stored inside, a heating means 36 for heating the water inside the steam generating container 31, and a guided discharge unit 40 for guiding the steam generated inside the steam generating container 31 from the nozzle 31a to an adjacent discharge destination in the horizontal direction. The steam discharge port 44a for discharging the steam guided by the guided discharge unit 40 to the discharge destination 20 is provided with a shielding unit 46b that covers at least the lower part in a manner that allows steam to pass through, preventing water inside the guided discharge unit 40 from flowing out of the discharge port 44a.

The utility model provides a system configuration for a coal power unit to adapt to deep peak regulation flexible operation, which is characterized in that a newly-added external steam cooler is arranged at an existing final-stage high-pressure water supply outlet of a water supply pipeline, and a steam side inlet of the newly-added external steam cooler is connected with a pressurization module; steam lower than the target steam extraction pressure grade is introduced into an inlet of the pressurization module, and a steam side outlet of the newly-added external steam cooler communicates with a steam inlet of an existing final-stage high-pressure heater; the steam lower than the target steam extraction pressure grade is pressurized by the pressurization module, firstly enters the newly-added external steam cooler to heat the feed water, and then enters the existing final-stage high-pressure heater to heat the feed water, so that the temperature of the feed water entering the furnace of the unit is increased; and meanwhile, a certain feed water pressure is maintained, so that feed water at an outlet of the economizer is kept at a certain supercooling degree, dry-state operation of the boiler is maintained under the deep peak regulation working condition, the hydrodynamic stability is maintained, and the denitration system is continuously and stably put into operation.

The utility model relates to the technical field of steam generators, and discloses a novel high-quality pure steam generator which comprises a pure steam generator body, the pure steam generator body is provided with a purified water input end and a steam output end, purified water enters the pure steam generator body through the purified water input end, and the steam output end is communicated with the pure steam generator body. Steam generated by the pure steam generator body is discharged through the steam output end, the steam generated by the pure steam generator body can enter a buffer tank through a first steam outlet and a connecting pipe through the arranged buffer tank, and the steam is guided to rotate at a high speed along the tank wall of the buffer tank through a cyclone liquid removing device in the buffer tank; liquid drops in the pure steam fall to the bottom along the inner wall of the buffer tank under the action of centrifugal force and gravity, so that the purpose of separation is achieved, moisture in the pure steam is further removed, the proportion of dry steam in the steam is increased, and the problem that the processing capacity of the dryness of the pure steam is insufficient in the prior art is solved.

This invention provides a waste heat utilization device and process for the production of long-chain nylon resin. The waste heat utilization device includes a polymerization reactor, an evaporator, a steam manifold, and a hot water circulation system. The hot water circulation system includes a hot water storage tank and a hot water circulation pump. The polymerization reactor is connected to the inlet of the hot water storage tank via an exhaust pipe to the hot water storage tank and to the inlet of the evaporator via an exhaust pipe to the evaporator. The outlet of the evaporator is connected to the steam manifold via an inlet pipe. The steam manifold is connected to the steam user end via a steam pipeline to the steam network. The outlet of the hot water storage tank is connected to the hot water user end via the hot water circulation pump and a hot water pipeline. This invention uses the steam discharged during the polymerization process as a heat medium to heat deionized water to obtain saturated steam and hot water, which are then supplied to the factory's steam and hot water users. This fully utilizes the waste heat from the polymerization process, reduces the factory's steam consumption, and lowers production energy consumption.

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 discloses a gas-fired boiler combined with finned tubes for heat exchange, which comprises a burner and a hearth, the side wall of the hearth is a water-cooled wall, a finned tube group is arranged in the hearth and in front of the burner, finned tubes of the finned tube group and the top end of the water-cooled wall are communicated with a steam pocket positioned at the upper part of the hearth, and the top end of the steam pocket is communicated with a heat exchanger. A settling pipe is arranged on the side, away from the combustor, in the hearth, the upper end of the settling pipe penetrates out of the top of the steam pocket and is communicated with the steam pocket through a backflow pipe, the area of the communication section of the backflow pipe and the steam pocket is smaller than that of the settling pipe, and a water level electrode is arranged in the settling pipe. And the bottom ends of the settling tube, the finned tubes of the finned tube group and the water-cooled wall tubes of the water-cooled wall are communicated with one another. The water level detection accuracy of the built-in water level electrode can be improved.

The utility model provides a boiler cogeneration device, which relates to the technical field of waste incineration devices and comprises a boiler and a steam turbine which are connected through a steam pipeline, the steam pipeline is communicated with a steam branch pipe, and the tail end of the steam branch pipe is communicated with a heat consumer. The steam branch pipe is sequentially provided with a first valve assembly, a temperature and pressure reducer and an outlet electric door in the steam flowing direction. A steam exhaust port of the steam turbine communicates with a steam condensing assembly, the steam condensing assembly communicates with the boiler through a water supply pipeline, the water supply pipeline is sequentially provided with a heater assembly, a deoxidizing assembly and a desuperheating water branch in the flowing direction of condensed water, the desuperheating water branch is connected with a temperature and pressure reducer, and a second valve assembly is arranged on the desuperheating water branch. The technical problems that in the prior art, the waste heat recovery efficiency is low, and parts for waste heat recovery at different positions are lacked are solved, and the technical effects that waste heat is utilized in a gradient mode, the energy utilization rate is increased, and energy consumption is reduced are achieved.

The utility model relates to the technical field of steam condensate recycling in the operation process of an industrial boiler, in particular to a device for recycling steam condensate of the industrial boiler, which comprises a water return tank connected with the input end of the boiler through a first pump body. A steam branch leading to the paper dryer heat exchange sleeve is arranged on the steam main pipeline at the output end of the boiler, the output end of the paper dryer heat exchange sleeve is connected with the steam-water separator, and the steam output end of the steam-water separator is connected with the steam main pipeline through a steam return pipe. And the condensate water output end of the steam-water separator is connected with the water return tank through a water return pipe. The device contributes to simultaneous recycling of heat energy in steam condensate and clean water, and the purposes of saving energy and reducing consumption are achieved.

The invention relates to the technical field of gas cooled reactor operation, and discloses a steam-water system started by a steam generator of a high-temperature gas cooled reactor and a using method of the steam-water system. The steam-water system comprises a condenser, a deaerator, a main water feeding pump, an auxiliary water feeding pump, a gas-liquid separator, an adjusting mechanism, an evaporator and a steam turbine; circulating water is heated through the deaerator, steam and water are separated through the gas-liquid separator, the flow and pressure of the steam are adjusted through the adjusting mechanism, in the starting process, the steam can be transmitted to the deaerator through the gas-liquid separator and the steam turbine, water supplied to the evaporator is heated, heat is effectively recycled, thermal shock to the condenser is avoided, and the service life of the condenser is prolonged. Meanwhile, water is supplied to the evaporator through the main water feeding pump and the auxiliary water feeding pump, water supply is finely adjusted through the auxiliary water feeding pump with small power so as to adjust water supply of the evaporator in real time, the technical problems that in the prior art, heat loss is large, and the service life of a condensing device is shortened are solved, and the purposes of small heat loss and low energy consumption are achieved. And the service life of the condensing device is longer.

The utility model discloses a water and steam containing structure of a horizontal boiler, which comprises a D-shaped left membrane type wall, a V-shaped middle membrane type wall and a right membrane type wall, and the left membrane type wall, the middle membrane type wall and the right membrane type wall are communicated at the top and are gathered on an upper header; the left membrane type wall, the middle membrane type wall and the right membrane type wall are communicated at the bottom and are gathered at the lower collecting pipe; a water inlet pipe is arranged at the bottom of the lower header; a plurality of steam pipes are arranged at the top of the upper collecting pipe, the tops of the steam pipes are all communicated with a gas collecting bag, a plurality of external flanges are arranged at the top of the gas collecting bag, and steam-water separators are arranged in the steam pipes and used for separating steam from water. The steam-water separator has the advantages that the tops of the steam pipes are communicated with the steam collecting bag, the steam-water separators are arranged in the steam pipes and used for separating steam from water, drying of the steam and backflow of the water are better facilitated, and the steam is formed through reheating.

This utility model relates to a hand-held steam device, including a housing with a handle, a steam boiler placed inside the housing and capable of heating water into steam, a steam nozzle disposed on the housing, a steam output path formed between the steam boiler and the steam nozzle, and operable one-way valves distributed along the steam output path. The handle and the steam nozzle are disposed on opposite sides of the housing in the lateral direction. The steam boiler includes a boiler body with a vaporization chamber inside, and an opening is formed on the side wall of the boiler body. A sleeve is installed at the opening, and the sleeve has a first end and a second end that are laterally separated from each other. The first end is engaged with the opening and defines a steam outlet, and the second end extends into the vaporization chamber and defines a steam inlet. A steam outlet channel is formed inside the sleeve that fluidly connects the steam outlet and the steam inlet, and the steam outlet channel constitutes part of the steam output path.

The present application relates to steam generator technical field, specifically to a kind of microgravity high-efficiency steam generation separation integrated device, including steam generation tank and steam separation tank, steam separation tank is located in the upper of steam generation tank, one end of steam generation tank is communicated with steam separation tank by steam outlet pipe, the other end is communicated with steam separation tank by backwater pipe, steam generation tank is equipped with tube sheet and multiple heat exchange tubes, two ends of multiple heat exchange tubes are inserted in tube sheet, the upper end of steam generation tank is equipped with the working medium inlet for working medium to enter, and the lower end is equipped with working medium outlet, the inlet of steam separation tank is equipped with baffle, and the upper end of steam separation tank is equipped with steam outlet.Working medium condenses outside the tube, water directly forms high-temperature water mist and water vapor by heat absorption in the tube, water mist and water vapor are separated in steam separation tank, realize efficient heat exchange in the tube, efficient condensation outside the tube, improve the comprehensive heat exchange efficiency, simplify the overall process of heat pump unit.

The invention belongs to the technical field of boilers, and provides a superheating corner tube steam boiler and an operation method thereof. The superheating corner tube steam boiler comprises a boiler body, a boiler barrel, a superheater, an air preheater, an energy saver and a condenser; a water pipe system is arranged on the heating surface of the hearth and the flue gas channel, the water pipe system comprises a slag solidification pipe set and a convection pipe set, the flue gas channel comprises a first channel, a side flow channel and a second channel which are arranged in the flue gas flowing direction, and the slag solidification pipe set, a second superheater, a first superheater and the convection pipe set are sequentially arranged in the second channel in the flue gas flowing direction; the first superheater and the second superheater form a two-way steam system working synchronously, the first superheater comprises two stages of superheating structures, a first desuperheater is arranged between the two stages of superheating structures, and a second desuperheater is arranged at an outlet of the second superheater. The device can stably operate under the condition of low-calorific-value gas calorific value fluctuation, double-path steam is synchronously output, and load change of a steel production line is flexibly adapted.

The invention provides a waste heat recovery device used in front of and behind a square and round billet continuous casting withdrawal and straightening machine, which is characterized by comprising a pipeline system, the heating surface 1 is arranged on a before-cutting roller way between a cutting machine and a withdrawal and straightening machine and is used for absorbing heat of a continuous casting billet; the heating surface 2 is arranged on the arc-shaped section in front of the withdrawal and straightening machine and is used for absorbing the heat of the continuous casting billet; one end of the steam pocket is connected with the heating surface through the pipeline system, and the steam pocket is used for collecting hot steam generated after the heating surface absorbs heat; one end of the circulating water pump is connected with the heating surface 1 through the pipeline system, and the other end of the circulating water pump is connected with the steam pocket to provide circulating power for the whole device. The device has the beneficial effects that heat dissipated to the surrounding environment by blanks in front of and behind a withdrawal and straightening machine of a billet or round billet continuous casting machine is absorbed, the heat is partially converted into heat energy, and steam meeting industrial requirements is formed.

The utility model provides an operation system configuration of a coal power unit based on feed water supplementary heating, which is characterized in that on the basis of an existing boiler feed water heating system, a newly-added final-stage high-pressure heater and a newly-added external steam cooler are additionally arranged on a water supply pipeline, and a steam side inlet of the newly-added external steam cooler is connected with a pressurization module; steam lower than the target steam extraction pressure grade is introduced into an inlet of the pressurization module, and a steam side outlet of the newly-added external steam cooler is connected with a steam inlet of the newly-added final-stage high-pressure heater; supplementary heating is conducted on feed water heated by an existing final-stage high-pressure heater at the position of a newly-added external steam cooler and in the newly-added final-stage high-pressure heater, so that the temperature of feed water entering a furnace of a unit under the deep peak regulation working condition is increased, and meanwhile certain feed water pressure is maintained to enable the feed water at an outlet of a coal economizer to be kept at a certain supercooling degree; dry-state operation of the boiler is maintained under the deep peak regulation working condition, the hydrodynamic stability is kept, and the denitration system is continuously and stably put into operation.

This utility model discloses a solvent evaporator vapor phase heat recovery system. The solvent vapor outlet of the descaling machine is connected to the shell side of the first evaporator, the outlet of the mixed oil inlet pipe is connected to the tube side inlet of the first evaporator, the bottom outlet of the first evaporator tank is connected to the shell side inlet of the mixed oil heat exchanger, the shell side outlet of the mixed oil heat exchanger is connected to the tube side inlet of the second evaporator, the secondary steam outlets of the first and second evaporator tanks are connected to the shell side inlet of the heat pump evaporator, the tube side outlet of the heat pump evaporator is connected to the compressor inlet, the compressor outlet is connected to the shell side inlet of the heat pump condenser, the shell side outlet of the heat pump condenser is connected to the tube side inlet of the heat pump evaporator through an expansion valve, the tube side outlet of the heat pump condenser is connected to the flash tank, the bottom outlet of the flash tank is connected to the tube side inlet of the heat pump condenser through a circulating pump, and the top secondary steam outlet of the flash tank is connected to the steam inlet of the descaling machine. This system can reduce the consumption of steam and cooling water in oil processing.

The utility model discloses a vertical separation device of a steam-injection boiler, which comprises a tank body, a first separation device, a second separation device, a first demister and a second demister, the top of the tank body is provided with a steam outlet, the bottom of the tank body is provided with a water outlet, and the side part of the tank body is provided with a steam inlet; the first separation device, the second separation device, the first demister and the second demister are sequentially mounted in the tank body from bottom to top, and the first separation device is positioned above the steam inlet. Through multiple times of separation and multiple times of demisting, the separation effect can be improved, and the degree of superheat and dryness of steam are improved.

The invention belongs to the technical field of thermal power generation and energy storage, and relates to a thermal power coupling multi-heat-source modular composite heat storage system and a control method thereof, and the thermal power coupling multi-heat-source modular composite heat storage system comprises a thermal power generation system and a multi-heat-source modular composite heat storage system; the thermal power generation system comprises a boiler, a steam turbine, a generator, a condenser, a low-temperature heater, a deaerator, a high-temperature heater, a first steam-water separator and an auxiliary steam header; the multi-heat-source modular composite heat storage system comprises an electric heater, a modular heat storage device, a second steam-water separator, an energy storage heat exchanger, a low-temperature storage tank, a high-temperature storage tank and an energy release heat exchanger. Cascade utilization of steam energy is achieved through coupling of the modular fused salt heat storage device and the heat conduction oil / pressurized water heat storage device, high-temperature sensible heat and medium-temperature latent heat of steam are completely stored, the steam extraction amount is greatly reduced, rapid and deep peak regulation of the thermal power generating unit is achieved in cooperation with an electric heat source of the modular fused salt heat storage device, and the thermal power generating unit is protected. Meanwhile, the boiler starting function is achieved, and thermal power flexibility and economical efficiency are effectively improved.

The application discloses a self-cleaning fluid heater and a heating method, and the structure of the self-cleaning fluid heater comprises a water inlet, a heating product outlet, a pressure gauge, a safety valve interface, a control panel and a heating box. The heating box is connected with the water inlet through a pipeline, and the heating box is connected with a steam conveying pipe through the heating product outlet. The pressure gauge and the safety valve interface are installed on the upper end of the heating box. The heating box comprises a steam-water separator, an outlet, a connecting pipe, a heat preservation layer, a heating device, a connecting port, a heating pipe and a heating cavity. The outlet is connected with the connecting pipe through the steam-water separator, and the connecting pipe is installed on the upper end of the heating cavity. When the heating cavity needs to be drained and replaced, the descending water level drives a scraping frame to move along a spiral path, so that the scraping plate synchronously scrapes off the water scale deposited on the inner wall, and the scraped-off scale is discharged from the bottom along with the drainage. Meanwhile, a scraping floating ball moves along a water temperature position rod along with the descending water level, and adhering matters on the surface of the rod body are removed, so that the heat conduction efficiency in the subsequent heating process is ensured.

This invention discloses a combined ammonia synthesis heat recovery device and method that is vibration-resistant, hydrogen corrosion-resistant, and operates under high temperature and high pressure. The ammonia synthesis heat recovery device includes a waste heat boiler and a boiler feedwater heater. The waste heat boiler includes a furnace shell, a furnace cavity, and a steam outlet pipe. The boiler feedwater heater includes a heat exchanger shell, heat exchange tubes, a left end cap, and a right end cap. The heat exchanger shell is composed of a left cylindrical section, a middle cylindrical section, and a right cylindrical section connected in sequence. The middle cylindrical section is axially fixed inside the furnace shell by a fixing plate assembly. It has an outlet at the top and an inlet at the bottom, and both the outlet and inlet communicate with the furnace cavity. This invention combines the boiler feedwater heater and the waste heat boiler into one unit, eliminating the need for a heated boiler feedwater pipeline, reducing heat loss in the pipeline, and improving heat exchange efficiency. It also solves the vibration problem caused by vaporization in the boiler feedwater pipeline.

The utility model relates to the technical field of steam-water separators, and discloses an external steam-water separator of a steam generator, which comprises a steam generator body, a steam-water separator body movably sleeved on the outer circular wall surface of a steam outlet of the steam generator body, and a connecting assembly, the connecting assembly is used for connecting the steam generator body and the steam-water separator body, and the effect of connecting the steam generator body and the steam-water separator body can be achieved through mutual cooperative use of a connecting pipe, a supporting plate, a rotating plate and a moving ring; the hydraulic cylinder pushes the movable ring to drive the rotating plate to extrude the fixed ring according to the lever principle, so that the steam generator body is fastened to the air inlet pipe end of the steam-water separator body, manual operation is not needed, the scalding condition is avoided, meanwhile, the air bag material is reinforced, and the service life is prolonged; double sealing is formed through the sealing ring and the air bag, steam leakage caused by air leakage damage of the air bag is avoided, and the sealing effect is guaranteed.

The utility model relates to the technical field of saturated steam power generation, in particular to a saturated steam power generation waste heat drain recovery system which specifically comprises a steam-water separator drain pipe, a main steam pipeline drain pipe, a shaft seal heater drain pipe, a western region hot water pool and a western region waste water pool. The steam-water separator drain pipe comprises a main pipeline, and a steam-water separator hot water pool removal pipe and a steam-water separator wastewater pool removal pipe which are connected with the main pipeline and are respectively shunted to a western region hot water pool and a western region wastewater pool, and the main steam pipeline drain pipe is communicated to the western region hot water pool; a drain pipe of the shaft seal heater and an overflow water pipe of the water jetting tank converge and then are divided into two paths to be converged into a western region hot water pool and a western region waste water pool respectively, the system further comprises a steam-water separator expansion box connected with the main pipeline, and the output end of the steam-water separator expansion box converges into the western region hot water pool. According to the utility model, the drain water related to the saturated generator set is recycled, and the drain water with gas is discharged into the hot water pool after being released in the flash tank, so that the drain water efficiency of the set is enhanced.

The application discloses a waste heat boiler, which is used for solving the problem of unstable heat exchange efficiency and easy damage caused by ash deposition. The waste heat boiler comprises an outer cylinder, a gas-liquid outlet and a water inlet are arranged on the cylinder wall of the outer cylinder, an inner cylinder is arranged in the inner part of the outer cylinder, an evaporation cavity is formed between the outer cylinder and the inner cylinder, the gas-liquid outlet and the water inlet are communicated with the evaporation cavity, an ash discharge pipe is arranged at the bottom of the inner cylinder, a process gas inlet pipe is arranged on the cylinder wall of the outer cylinder, the process gas inlet pipe is communicated with the inner cylinder and is used for introducing high-temperature process gas into the inner cylinder, a process gas outlet pipe is arranged, the inlet end of the process gas outlet pipe is inserted into the inner cylinder, the outlet end of the process gas outlet pipe is arranged outside the inner cylinder and the outer cylinder, and a flow disturbing part is arranged in the inner cylinder along the axis of the inner cylinder and is used for guiding the high-temperature process gas to flow spirally in the inner cylinder. In the process that the high-temperature process gas is cooled and the steam is regenerated, the gas and part of solid particles are separated and discharged, the ash deposition in the waste heat boiler is reduced, and the stability of the heat exchange efficiency is maintained.

The utility model discloses a two-way control mechanism and a heating system, and belongs to the technical field of paperboard processing equipment, the two-way control mechanism comprises a support, an access pipeline, a first pipeline assembly, a second pipeline assembly, a steam-water separator and a water drainage pipe, the first pipeline assembly and the second pipeline assembly are both installed on the support, the access pipeline is provided with an access end and an output end, and the steam-water separator is installed on the support. The output end is connected with the first pipeline assembly and the second pipeline assembly, the steam-water separator is installed on the first pipeline assembly or the second pipeline assembly, the first end of the drainage pipe is communicated with the steam-water separator, and the second end of the drainage pipe is provided with a drainage connector. When steam of the first pipeline assembly enters the first end of the steam-water separator, the steam-water separator treats the steam of the first pipeline assembly and separates water from gas, and hot gas generated by treatment of the steam-water separator enters the first pipeline assembly from the second end of the steam-water separator, so that the first pipeline assembly outputs the hot gas. And water output from the third end of the steam-water separator is discharged from the drainage pipe.