677results about "Steam separation arrangements" patented technology

The invention discloses a boiler internal steam-water separator and a using and adjusting method. The boiler internal steam-water separator comprises a main shell, a main cavity is formed in the main shell, a steam-water inlet pipe is fixedly connected to the outer side of the main shell, and a steam outlet pipe is fixedly connected to the outer side of the main shell; by means of the quick connecting mechanism, the steam-water inlet pipe can be quickly and conveniently connected with an external pipeline, meanwhile, tight connection can be guaranteed through traction force of the two spring rods, liquid leakage and steam leakage are effectively prevented, the cleaning brush is driven by the double-rotor motor to rotate on the thin-wire screen plate, and the cleaning efficiency is improved. Impurities possibly attached to the filament screen plate can be automatically removed, smoothness of the steam-water inlet pipe is kept, the operation efficiency is improved, the steam-water separation efficiency is remarkably improved under the combined action of a wind field system composed of fan blades arranged in the steam-water inlet pipe and a double-rotor motor and a shielding cover arranged below the steam-water inlet pipe, and the steam-water separation effect is improved. And the steam-water separation effect is ensured.

The utility model discloses a high-parameter thermal power generating unit depressurization blowpipe temporary system, which belongs to the technical field of unit depressurization blowpipes and comprises a primary steam-water system, a secondary steam system, a target plate device and a silencer which are sequentially connected. The primary steam-water system comprises a separator, a superheater and a main steam pipeline which are connected in sequence, the secondary steam system comprises a hot resteam pipeline, a reheater and a cold resteam pipeline which are connected in sequence, the cold resteam pipeline is provided with a main adjacent blowing door, the main steam pipeline is communicated with the cold resteam pipeline through a high-pressure bypass pipeline, and the reheater is communicated with the high-pressure bypass pipeline. And the high-pressure bypass pipeline is provided with a high-pressure bypass adjacent blowing door. The secondary steam system and the high-pressure bypass system both participate in pipe blowing heat storage, the effective time of pipe blowing each time can be prolonged, the pipe blowing frequency is reduced, high efficiency and energy conservation are achieved, and stress damage to a boiler is relieved.

The invention belongs to the technical field of fused salt energy storage, and particularly relates to a thermal power generating unit deep peak shaving system and method of a fused salt heat storage coupling high-temperature heat pump. In the high-generation time period of renewable energy sources, the load of a thermal power generating unit needs to be reduced, at the moment, a boiler operates at the lowest stable combustion load, a fused salt heat storage system is added, all main steam is extracted to enter the heat storage system to heat fused salt, a high-pressure cylinder of a steam turbine is stopped, and an intermediate-pressure cylinder and a low-pressure cylinder of the steam turbine operate under the low-load working condition; the output load of the unit only meets the plant power, and the load is not output to the power grid; in the load rising time period, heat stored by the fused salt heat storage system is used for generating steam in the unit load rising stage to increase the unit steam turbine load rising rate and peak power generation; the problems of operation safety and low energy grade in the unit peak regulation process are solved. In the peak period of electricity utilization, heat stored in the fused salt heat storage system is released into the unit, and the output load of the unit is rapidly increased. An outlet of the deaerator serves as a water taking point, part of supplied water is extracted to pass through the preheater, the evaporator and the superheater to generate high-temperature and high-pressure steam, the high-temperature and high-pressure steam enters a high-pressure cylinder of the steam turbine to do work, and therefore the output load of the steam turbine is rapidly increased. The invention provides a thermal power generating unit deep peak regulation system and method of a fused salt heat storage coupling high-temperature heat pump, and aims to realize deep peak regulation of a unit and power generation by absorbing renewable energy sources such as wind and light.

The invention provides an integrated vehicle-mounted steam-injection boiler with high maneuvering characteristics and a using method of the integrated vehicle-mounted steam-injection boiler. The integrated vehicle-mounted steam-injection boiler comprises a steam-injection boiler pressed assembly, an auxiliary system and a carrying tool, and the steam-injection boiler pressed assembly and the auxiliary system are arranged on the carrying tool; and the carrying tool is used for driving the steam-injection boiler compression assembly and the auxiliary system to move. The components are integrally arranged, so that the vehicle-mounted steam injection boiler can form a complete independent working unit from water supply to steam production, the dismounting workload in the steam injection transition and movement process is reduced, a carrying tool with a good suspension system is adopted, and the vehicle-mounted steam injection boiler is convenient to use. And the vehicle-mounted steam-injection boiler has good field driving capability and maneuverability.

The invention relates to the technical field of boilers, in particular to a saturated dual-purpose steam boiler and a flue structure thereof.The saturated dual-purpose steam boiler comprises a first boiler used for combusting fuel to generate smoke and converting liquid water into steam through heat exchange; the second boiler is used for burning fuel to heat the saturated steam into superheated steam; the smoke outlet is used for discharging smoke generated by the boiler; the communicating flue is used for guiding flue gas of the second boiler into the first boiler; the steam-water separator is used for separating water drops in the steam to obtain purer and dry saturated steam; the water draining module is used for draining condensed water separated by the steam-water separator and preventing steam leakage at the same time; the water supply module is used for conveying water to the first boiler and the second boiler; and the overpressure discharge module is used for discharging overheated steam to reduce the pressure in the second boiler. The steam generator has the beneficial effects that saturated steam and superheated steam under different working conditions can be produced, local vortex caused by direct hedging of smoke can be prevented, one smoke outlet is shared, and the applicability is improved.

The invention relates to the technical field of steam exhaust recycling and reusing and steam compression, in particular to a steam absorbing and revaporizing device which mainly comprises a water pump (1), a two-stage ejector and a steam-water separator (6), and the two-stage ejector is composed of a first ejector (3) and a second ejector (5). The water pump, the steam-water separator and the two-stage ejector are sequentially connected, an outlet of the two-stage ejector is connected with an inlet of the water pump to form a circulating system, the circulating system is provided with a steam suction inlet (4), a steam outlet (6.5) and a bypass pipe (2), one end of the bypass pipe is connected with the outlet of the water pump through a tee joint, and the other end of the bypass pipe is connected with the steam inlet. And the other end of the bypass pipe is connected with one injection inlet of the two-stage ejector. According to the steam pressurization technology, low-temperature and low-pressure steam is firstly mixed into medium-high-pressure circulating water to be liquefied, and then the liquefied steam is vaporized in a steam-water separator.

The invention relates to the technical field of underground water treatment, in particular to a heat conduction reinforced in-situ aeration system for treating underground water pollution, which comprises a hot water circulation and hot steam generation system, a heat conduction pipe and an aeration well, the system comprises an underground cavity used for containing water, a chemical adding system used for injecting chemicals into the water-containing layer, and an extraction system used for extracting gas in the underground cavity and purifying the gas, and hot steam is injected into the pollution plume, so that the temperature around the pollution plume is increased, pollutant diffusion and the gas-liquid mass transfer rate are increased, the remediation range is expanded, and the air disturbance (AS) remediation efficiency is improved. The hot steam also forms an airflow barrier on the outer side of the pollution plume to separate the pollution plume from the outside, so that the migration and diffusion of pollutants are avoided; and hot water is introduced into the heat conducting pipe, so that the temperature of underground water is increased, the volatilization efficiency is improved, and the utilization rate of heated water is improved.

The invention discloses an evaporation and overheating integrated heat exchanger and a superheated steam generation method.The heat exchanger comprises a horizontal shell and a partition plate arranged in the shell and provided with evaporation holes, the partition plate divides the shell into an evaporation cavity and an overheating cavity, and a first heating assembly is arranged in the evaporation cavity of the shell; the second heating assembly is arranged in the overheating cavity of the shell, and the liquid inlet and the steam outlet are formed in the upper portion and the lower portion of the same end of the shell. During use, water is guided into the evaporation cavity through the liquid inlet; starting the first heating assembly and the second heating assembly; the first heating assembly is used for heating water in the evaporation cavity to generate steam; steam enters the overheating cavity through the evaporation holes and is output through the steam outlet after being heated into superheated steam by the second heating assembly. The device is small in occupied area, compact in structure and small in pressure loss in the steam evaporation process; the partition plate is creatively used as the gas-liquid separator, and an independent gas-liquid separator is not needed. Therefore, the evaporation efficiency is high, and the quality of the generated steam is good.

The invention relates to the technical field of high-efficiency recovery of low-temperature exhaust gas, in particular to a high-temperature cooking waste heat recovery system for white spirit brewing. The white spirit brewing high-temperature cooking waste heat recovery system comprises a cooking barrel, a compressor, an embedded plate heat exchanger, a condensate water tank and a circulating pump, a liquid inlet of the cooking barrel is communicated with one end of a water supplementing pipe, an air inlet of the compressor is communicated with a waste gas outlet of the cooking barrel, and the compressor is used for compressing steam to obtain high-temperature and high-pressure steam. A steam inlet of the embedded plate heat exchanger is communicated with an air outlet of the compressor, and a steam outlet of the embedded plate heat exchanger is communicated with a steam inlet of the cooking barrel through a steam conveying pipe. By adopting the arrangement mode, waste heat steam is utilized twice to recover heat, high-efficiency energy utilization can be realized, energy consumption and carbon emission are reduced, and meanwhile, the cooking efficiency and the grain quality are improved.

Disclosed are a device and a method for producing high-pressure or super high-pressure steam as a byproduct from a maleic anhydride producing device. The device includes a super high-pressure steam drum, a molten salt pump, an oxidation reactor, a regulating valve, molten salt coolers, a switching cooler and a gas cooler. The molten salt pump, the oxidation reactor, the regulating valve and the molten salt coolers are connected. A boiler water buffer device and a boiler water booster pump are arranged between the switching cooler and the gas cooler. The unique design of the boiler water intermediate pressure boosting and the gas cooler in the disclosure makes the gas cooler and the switching cooler very easy to manufacture. Heat can be effectively recovered from process gas to produce high-pressure or super high-pressure steam while accumulation of dust in the process gas is avoided and tar adhesion is easy to clean.

The invention discloses a steam-water separator, which belongs to the technical field of steam-water separation and comprises a separator main body, an upper end socket is arranged at the upper end of the separator main body, and a lower end socket is arranged at the lower end of the separator main body. A spiral separation guide plate is used for primary separation of steam and water, an inclined partition plate is matched with an auxiliary separation structure for further separation of the steam and water, the steam and water separation effect is improved, and the steam quality is improved, a cooling guide assembly and a centrifugal assembly are arranged in the auxiliary separation structure, and steam and water blown out of a separation inner sleeve form acting force on steam turbine blades; the steam turbine blades rotate to apply centrifugal force, so that part of steam and water are diffused all around, part of steam and water penetrate through the steam turbine blades to make contact with the condensation guide assembly, the steam and water separation efficiency can be improved, meanwhile, water drops on the condensation guide assembly are blocked, the water drops are prevented from falling off from the separation inner sleeve, and normal conveying of steam and water cannot be affected; and the separation efficiency is further guaranteed.

The utility model discloses a steam-water separation device for a steam boiler, which comprises a barrel body, an upper cover is arranged at the top of the barrel body, an inserting barrel is welded on the outer wall of the bottom of the upper cover, an inclined plane is arranged at the bottom of the inserting barrel, a vertical pipe is welded on the outer wall of the bottom of the inclined plane, a spiral plate is welded on the outer wall of the vertical pipe, and an air outlet is arranged on the outer wall of one side of the inserting barrel. And a fixing mechanism is arranged between the upper cover and the cylinder body. According to the steam-water separation device, the inserting barrel is inserted into the barrel body, the spiral plate is fixed with the vertical pipe at the bottom of the inserting barrel, and when the interior of the steam-water separation device needs to be cleaned, the inserting barrel can be taken out of the interior of the barrel body, and the spiral plate is moved out of the barrel body, so that the interior of the steam-water separation device can be conveniently cleaned and maintained.

The invention belongs to the technical field of phase change energy storage heat exchange, and particularly relates to a phase change energy storage recycling device based on surplus electric quantity of a nuclear power station and a thermoelectric conversion system. The contradiction between electric energy supply and demand mismatch is a key problem in the industry. At present, methods such as transformation and capacity expansion of power generation equipment are adopted, consumption is large, and the energy utilization rate is low. Therefore, surplus electric quantity in the low-load period is converted into heat energy to be stored, and then the heat energy is converted into electric energy to be used in the peak-load period. The adopted phase change energy storage material (Al-Si-Fe-Sn) has the advantages of being large in heat conductivity coefficient, high in latent heat density, low in material cost, efficient, energy-saving, environment-friendly and the like, heat energy at the temperatures of about 200 DEG C, about 500 DEG C, about 600 DEG C or above and the like can be continuously absorbed according to multiple phase change points of the phase change material, and the high, medium and low heat energy is integrally stored for efficient utilization; therefore, the problem that the energy utilization rate is low due to mismatching and non-uniformity of energy supply on time or places is solved, and the heat utilization rate of the whole system is improved to the maximum extent.

The invention discloses a drainage flash heat supply system of a once-through boiler under low load and an operation method of the drainage flash heat supply system. The drainage flash heat supply system comprises a drainage flash control valve, a drainage flash tank, a heat supply steam throttle valve, an electric heater and a condensation drainage recirculation pump which are sequentially arranged behind a water storage tank. When a unit undertakes a peak regulation task and a boiler enters a wet state operation mode under an ultra-low load working condition, drain water generated by a steam-water separator is introduced into a flash evaporation heat supply system, generated high-pressure steam is used for industrial heat supply, the steam meets the requirements of pressure and superheat degree of industrial steam through a throttling valve and an electric heater, and the heat supply efficiency is improved. The drain water produced in the flash tank is re-introduced into the feed line through a condensed drain water recirculation pump. According to the system, power supply and heat supply can be decoupled during low-load operation of a unit, meanwhile, the stable combustion requirement of boiler operation is met, and the hydrodynamic safety of each water cooling wall is protected.

The invention discloses a double-medium hanging pipe structure for a deep peak shaving tower type boiler, belongs to the technical field of coal-fired power generation boilers, and aims to solve the problems that under the working condition of long-time wet operation, the cooling capacity of an existing hanging pipe structure is seriously insufficient, the risk of pipe explosion and shutdown exists, and safe and stable operation of a unit is seriously affected. The device comprises a separator, a separator outlet connecting pipe, a separator inlet connecting pipe, a superheater, a water cooling wall and a plurality of in-furnace hanging pipe panels, the water cooling wall is communicated with the in-furnace hanging pipe panels, and the in-furnace hanging pipe panels are communicated with the separator through the separator inlet connecting pipe. The separator is communicated with the superheater through a separator outlet connecting pipe, steam-water double media discharged by the water cooling wall pass through a plurality of in-furnace hanging pipe panels from bottom to top, then enter the separator and are subjected to steam-water separation in the separator, and then steam media enter the superheater. The hanging pipe structure is mainly used as the hanging pipe structure of the deep peak shaving tower type boiler.

The invention discloses a boiler drum with a preheating device, and relates to the technical field of boiler equipment.The boiler drum mainly comprises an air supply device body, an air supply pipe, an incinerator, an air outlet pipe and the like, a main air supply pipe is arranged at the bottom of the air supply pipe, an air supply side pipe is arranged at the tail end of the right side of the air supply pipe, and the right side of the main air supply pipe is connected with a connecting pipe and a mixing pipe; by means of a multi-channel air supply structure, the fuel combustion efficiency is improved, fuel combustion is more sufficient, a smoke inlet pipe, a heat conduction pipe, a smoke removal box and the like are arranged above an air outlet pipe, heat conduction fins are arranged on the outer side of the heat conduction pipe, and inner fins are arranged in the heat conduction pipe. And the fuel conveying branch pipe and the connecting pipe can be independently detached and overhauled, equipment maintenance is facilitated, the use process is clear, and high practicability and innovativeness are achieved.

The utility model discloses an external steam-water separator of a steam generator, and relates to the technical field of steam-water separation equipment. The steam generator comprises a steam generator body, a steam-water separator body is arranged on the side edge of the steam generator body, a steam exhaust pipe is fixedly connected to the top of the steam-water separator body, a water drainage pipe is fixedly connected to the side, away from the steam generator body, of the steam-water separator body, and a fixing device and a separating device are arranged on the steam-water separator body. The fixing device comprises a butt joint pipe, through the fixing device, when the steam generator body and the steam-water separator body are in butt joint, the air bag is extruded through the air outlet connecting pipe, air in the air bag can be conveyed into the air pressure cabin through the air conveying pipe, and the air pressure cabin can drive the air pressure rod and the fixing clamp to move; and the outside of the air outlet connecting pipe is fixed, the fixing state is enhanced, steam leakage can be prevented, and practicability is high.

The utility model belongs to the technical field of evaporators, and particularly relates to a tubular steam generator which is characterized in that treated water is introduced into a horizontal combustion tank body, an operating air blower discharges air into the horizontal combustion tank body from an air inlet pipe, and under high-temperature combustion, internal water vapor is evaporated and internal oxygen is heated out; steam enters the ascending pipe under the action of hot pressing and sequentially penetrates through the two sets of filter boxes along the ascending pipe, so that impurities in the steam are filtered, meanwhile, the booster pump on the outer side is started, high-temperature steam is introduced into the spiral heat exchange pipe from the connecting pipe, the retention time of the high-temperature steam in the spiral heat exchange pipe can be prolonged through the spiral heat exchange pipe, and then the cooling effect is improved; after steam cooling is completed, the rotating speed of the booster pump can be continuously increased, liquefied water drops remaining on the inner wall of the spiral heat exchange pipe are blown into an external separator, and the steam-water separation effect is completed; the spiral finned tube with the spiral fins can strengthen heat transfer, reduce flow resistance and accelerate the heat dissipation effect of high-temperature steam.

The invention discloses a rapid peak and frequency regulation system and method for a coal-fired unit with a regenerative system coupled with high-temperature working medium for heat storage, and relates to the technical field of conventional heating power and electricity technologies and energy storage, and the rapid peak and frequency regulation system comprises a coal-fired unit thermodynamic cycle system and a high-temperature working medium heat storage system, the high-temperature working medium heat storage system is deeply coupled with a thermodynamic cycle heat regeneration system of the coal-fired unit, and rapid combined peak regulation and frequency modulation of the unit are achieved by reducing the steam extraction amount of each stage of a steam turbine and cooperating with energy supply of the high-temperature working medium heat storage system. Firstly, when the unit needs to rapidly increase the load, rapid increase of the power generation output of the unit is achieved by reducing the steam extraction amount of each stage of a steam turbine, and meanwhile, high-temperature and high-pressure saturated water stored in a high-temperature working medium heat storage tank generates a certain amount of saturated steam through pressure reduction to replace steam extraction of each stage of the steam turbine to heat boiler feed water in a regenerative system; therefore, the water supply temperature of the boiler is kept unchanged or increased, and the variable load response capability of the coal-fired unit is quickly improved.

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 belongs to the field of condensation steam generators, and provides an integrated horizontal type condensation steam generator device and system which comprises a pipe box, a secondary refrigerant inlet, a secondary refrigerant outlet, a liquid blocking sub-device, a shell, a steam outlet, a base, a cold water inlet, a liquid level stabilizing and monitoring sub-device, a heat transfer pipe, a supporting plate, a liquid homogenizing pipe and a partition plate. Heat exchange between cold water in the shell and a secondary refrigerant is achieved through the heat transfer pipe; the heat transfer pipes are arranged at unequal intervals, bubbles are discharged in time, and the heat exchange efficiency is improved; separation of steam and liquid drops is achieved through the liquid blocking sub-device, and the drying degree of the steam is improved; control over the liquid content in the shell is achieved through the liquid level stabilizing and monitoring sub-device, and the steam generation efficiency is improved; and uniform supply of cold water is achieved through the liquid homogenizing pipe, and the balance of the temperature in the shell and the heat exchange efficiency are improved.

The utility model relates to a device for preventing a low-pressure evaporator of a waste heat boiler from being damaged due to fluid acceleration, which comprises an upper header, a finned tube and an ascending tube which are arranged in a steam-water separation area of the low-pressure evaporator of the waste heat boiler, and is characterized in that a fixed hanging lug plate is arranged in the steam-water separation area of the low-pressure evaporator of the waste heat boiler; the upper collecting box, the finned tube and the ascending tube are welded into a whole through the fixed hanging lug plate, so that a first rigid bending-resistant, deformation-resistant and displacement-resistant structure is formed; and the fixed hanging lug plate is fixedly connected to the boiler wall of the waste heat boiler to form a second rigid bending-resistant, deformation-resistant and displacement-resistant structure, namely, a dual-rigid bending-resistant, deformation-resistant and displacement-resistant structure. The device can solve the problem of leakage caused by damage of the waste heat boiler arranged on the 9F combined cycle unit, and has the substantive characteristics and technical progress that the vibration resistance, deformation prevention and leakage prevention capabilities of the high-pressure evaporator and the low-pressure evaporator of the waste heat boiler arranged on the combined cycle unit are improved, and pipe explosion and leakage caused by fluid acceleration damage of the low-pressure evaporator of the waste heat boiler are prevented.

The invention discloses a steam circulation system for corrugated board production. The steam circulation system comprises a main control unit, a paperboard drying unit, a steam generation unit and a steam recovery unit, and the steam recovery unit comprises a heat exchange assembly, a power assembly and a gas-liquid separation assembly; the heat exchange assembly comprises a heat exchange water tank, a steam recovery pipeline, a recovery connector and a filter assembly arranged in the recovery connector, the recovery rate of steam heat is increased, meanwhile, the filter assembly is additionally arranged on the heat exchange assembly, steam for drying paperboards is filtered, and therefore the steam recovery capacity is improved; therefore, the steam heat utilization rate is improved, and the heat supply cost is saved.

The present invention discloses a folding plate dryer, comprising a bottom plate, a drying sheet arranged on the bottom plate, a top plate arranged at the upper end of the drying sheet, a liquid discharge port arranged at the center of the bottom plate and penetrating the bottom plate, and an air outlet arranged at the center of the top plate and penetrating the top plate. The present invention also discloses a drying device based on a folding plate dryer, comprising a cylindrical drying cylinder, a folding plate dryer arranged inside the drying cylinder, a steam inlet arranged on the drying cylinder, a drain pipe penetrating the drying cylinder, and an air outlet arranged on the drying cylinder. The present application provides a folding plate dryer and a drying device thereof, which can effectively reduce the saturated water content in steam, effectively reduce the humidity of steam at each steam use point, thereby avoiding the steam from carrying endotoxins and causing wet packs, so that the steam generator can be better used in the food, pharmaceutical and medical industries, and well promotes the development and progress of the industry.

The utility model relates to the technical field of steam-water separation, and discloses a steam-water separation structure of a pure steam generator, which comprises a main body of the steam generator, an isolation plate and a stirring rod, the surface of the isolation plate is provided with through holes, and the isolation plate is installed in the main body in an up-down sliding mode. The stirring rod is provided with a driving assembly for driving the stirring rod to rotate, the driving assembly is mounted on the main body, the driving assembly comprises a transmission rod, the bottom end of the transmission rod penetrates into the main body and is fixedly connected with the middle of the stirring rod, a jacking assembly is connected between the transmission rod and the isolation plate, and the isolation plate is driven to move up and down through the jacking assembly. In the whole using process, the driving assembly and the jacking assembly are used for driving the isolation plate to slide up and down, and compared with the prior art, a sliding groove for sliding of the sliding block is eliminated, so that isolation between the gear and steam can be effectively formed, and it is guaranteed that lubricating grease on the gear can be stably lubricated.

The utility model provides a dead steam recovery device which comprises a U-shaped pipe, an air inlet pipe is fixed at one end of the U-shaped pipe, an air outlet pipe is fixed at the other end of the U-shaped pipe, an air exhausting device and a purifying device are arranged in the air outlet pipe, a refrigerating device is fixed on the air outlet pipe, a condensing device is arranged on the U-shaped pipe, and a water outlet pipe is arranged at the bottom of the U-shaped pipe. A water spraying head is fixed in the U-shaped pipe, and a water inlet pipe is fixed on the U-shaped pipe and communicated with the water spraying head. According to the utility model, the refrigerating device is arranged on the air outlet pipe, the condensing device is arranged on the U-shaped pipe, dead steam can enter a gas-liquid separator, so that gas or liquid can be independently recovered, and the air exhausting device and the purifying device are arranged in the air outlet pipe, so that the air pressure can be compensated, the gas can be smoothly exhausted, and the gas can be purified; the water spraying head is arranged in the U-shaped pipe, so that the dead steam is fully mixed with liquid, and the recovery is convenient.

The steam generating device comprises a compressor that draws in and compresses steam, a condensate line for combining water separated from the steam discharged from the compressor with the steam drawn into the compressor, and a pressure reducer provided in the condensate line that reduces the pressure of the water flowing in the condensate line. Preferably, the steam generating device further includes a pre-stage compressor that compresses the steam drawn into the compressor and has a configuration in which the low-pressure steam is compressed by a two-stage compressor.

The present disclosure relates to a waste heat recovery unit (10) comprising a main heat exchanger (13) configured to exchange heat between an exhaust fluid from a heat source and a working fluid of a waste heat recovery system, the waste heat recovery unit (10) comprising an additional heat exchanger (12) configured to exchange heat between the exhaust fluid and, alternatively, a cooling fluid or part or all of the working fluid during transient conditions.

The invention discloses a tubular energy-saving boiler which solves the problem that steam generated by an existing boiler is high in humidity. A gas burner is mounted in the hearth; a water collecting tank is arranged at the bottom of the hearth and is externally connected with a make-up pump; a space occupying rod is arranged in the heat exchange pipe, the evaporation box is located in the hearth, the water surface in the evaporation box is a steam-liquid interface, and saturated steam continuously enters the steam-water separation pipe. A bent pipe part is arranged in the steam-water separation pipe, a hole is formed in the low point of the bent pipe part, and the bent pipe part is connected back to the evaporation box through a return pipe for primary steam-water separation; a flow guide pipe is installed at the upper end opening of at least half of the steam-water separation pipe, steam is sprayed out at a high speed in the tangent and horizontal direction, vortex type steam is formed under guiding of the flow guide pipe, and secondary steam-water separation of the steam is achieved. When low-quality steam passing through the steam-water separation pipe passes through the structure, thermal movement of steam molecules enables the steam molecules to collide with one another, collide with the pipe wall, condense and the like to form mist-shaped micro water drops and flow back, and the steam quality of the boiler is improved.

The utility model discloses a horizontal steam generator, including a bottom plate, the upper surface of the bottom plate is fixedly connected to a support frame, the upper surface of the support frame is fixedly connected to the outer side of an outer shell, the inside of the outer shell is fixedly connected to an inner shell, one end of the inner shell is fixedly connected to an air inlet, the other end of the inner shell is fixedly connected to an air outlet, a heating chamber is arranged inside the outer shell, one end of the air outlet is fixedly connected to an air bleed pipe, the other end of the air bleed pipe is fixedly connected to a heat exchange pipe, the other end of the heat exchange pipe is fixedly connected to an induced draft fan, and the upper surface of the bottom plate is fixedly connected to a water tank. The utility model solves the problem of low efficiency of heat exchange water pipes around a combustion chamber by means of a heating chamber, a heat exchange pipe, a water tank, a water inlet pipe and a water outlet pipe, improves energy utilization, and simultaneously utilizes preheating for water preheating, thereby reducing energy consumption, reduces the content of condensed water in steam by means of a heating chamber, a condenser pipe, a motor, a guide plate and an exhaust pipe, and solves the problem of poor effect and low efficiency of baffle in collecting condensed water.