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266results about "Steam separation arrangements" patented technology

Thermal power generating unit deep peak shaving system and method of fused salt heat storage coupling high-temperature heat pump

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.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP

White spirit brewing high-temperature cooking waste heat recovery system

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.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Steam-water separation device for steam boiler

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.
Owner:WUHAN GREEN ENERGY SHUANGYUAN BOILER CO LTD

Drainage flash evaporation heat supply system of once-through boiler under low load and operation method of drainage flash evaporation heat supply system

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.
Owner:XI AN JIAOTONG UNIV

Steam condensate water recovery device of waste heat boiler

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.
Owner:HENAN YUGUANG GOLD & LEAD

Water-steam separation high-temperature steam boiler

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.
Owner:YANGZHOU WILTON BOILER CO LTD

Methods for stabilizing boiler water quality

To stabilize the water quality of boiler water in a boiler, thereby preventing the generation of carry-over in which a large amount of boiler water is mixed into generated stream, corrosion of each part of a can body, and an overheat state of a heat transfer surface due to the adhesion of scale to a can wall surface.SOLUTION: A method of stabilizing the water quality of boiler water in a boiler is provided. A water supply pump for supplying the boiler water to the boiler is intermittently operated. Whenever the water supply pump is intermittently operated, blow operation for discharging the boiler water to the outside of a can is performed.SELECTED DRAWING: Figure 2
Owner:HIRAKAWA CO LTD

High-capacity subcritical coal-fired CFB type oil field steam-injection boiler

The invention relates to the field of oil field steam injection boiler equipment, in particular to a high-capacity subcritical coal-fired CFB type oil field steam injection boiler, the highest pressure of the boiler can reach subcritical pressure, the boiler comprises a steel frame, and a boiler barrel, a hearth water cooling wall and a flue are arranged on the steel frame. A superheater, an upper-level economizer, SCR equipment, a lower-level economizer and an air preheater are sequentially arranged on the flue, a softened water pipeline used for conveying oilfield sewage is arranged on the steel frame, the softened water pipeline is sequentially communicated with the lower-level economizer, the upper-level economizer and a bottom coil pipe of a hearth water cooling wall, and the middle and a top coil pipe of the hearth water cooling wall are communicated with a boiler barrel. A separating assembly used for separating saline water and steam is arranged in the boiler barrel, a steam pipeline is communicated between the top of the boiler barrel and the superheater, the bottom of the boiler barrel is communicated with a salt discharging pipe, and a pressure measuring piece used for monitoring pressure changes in a coil pipe is arranged on the coil pipe of the hearth water cooling wall. The method has the effect of reducing the equipment investment cost.
Owner:WUXI TAIHU BOILER

Biomass steam boiler

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.
Owner:SHANDONG XIANGMIN NEW ENERGY TECHNOLOGY CO LTD

Apparatus for maleic anhydride apparatus to produce high-pressure or ultra-high-pressure steam as byproduct, and apparatus production method

The disclosure discloses a device and method for producing high-pressure or super high-pressure steam as a byproduct from a maleic anhydride producing 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, wherein the molten salt pump, the oxidation reactor, the regulating valve and the molten salt coolers are connected; and 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.
Owner:CHANGZHOU RUIHUA CHEMICAL ENGINEERING TECHNOLOGY CO LTD

Emptying control device for low-pressure steam drum deaerator of gas-fired boiler

The invention relates to the technical field of gas-fired boiler steam drums, and discloses a gas-fired boiler low-pressure steam drum deaerator emptying control device which comprises two oxygen content monitoring devices, namely a first oxygen content monitoring device and a second oxygen content monitoring device, the first oxygen content monitoring device is installed at an outlet of a deaerator emptying pipeline, and the second oxygen content monitoring device is installed at an outlet of a deaerator emptying pipeline. The second oxygen content monitoring device is mounted at an inlet of an emptying pipeline of the deaerator; the control device further comprises a flow monitoring device installed in the emptying pipeline of the deaerator, an emptying door opening adjusting device installed on the emptying door and a controller. The controller receives numerical values measured by the first oxygen content monitoring device, the second oxygen content monitoring device and the flow monitoring device, calculates the numerical values and then controls the emptying door opening degree adjusting device to adjust the opening degree of the emptying door in real time; according to the method, the opening degree of the emptying door is adjusted in real time by combining actual parameter conditions in the emptying pipeline, and the method has the advantages that the emptying amount is set more accurately and reasonably, unnecessary emission is reduced, and resources are saved.
Owner:HUANENG TAIYUAN DONGSHAN GAS TURBINE THERMAL POWER CO LTD

Anti-corrosion system and method for nuclear power station secondary circuit MSR drainage system

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.
Owner:XIAN THERMAL POWER RES INST CO LTD

A high-voltage heating single molten salt tank steam outlet device

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.
Owner:DALIAN TRANSEN TECH

Heat exchange furnace body of steam boiler

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.
Owner:HENAN QIANFENG HVAC TECH

Steam generator

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.
Owner:HOSHIZAKI ELECTRIC CO LTD

Heat exchange system capable of reducing structural vibration noise

The present application relates to heat exchange system technical field, provide a kind of heat exchange system of reducing structural vibration noise, including heat exchange component and communication pipeline, heat exchange component includes heat exchange body and heating element, heat exchange body has heating cavity, and heat exchange body is equipped with water inlet and steam outlet with heating cavity communication;Heating element is located in heating cavity;Heating element includes telescopic part, telescopic part can move back and forth along the extension direction of itself, to remove the bubble on the surface of telescopic part;Communication pipeline includes steam pipeline and water inlet pipeline, steam pipeline is communicated with steam outlet, and water inlet pipeline is communicated with water inlet.The present application is by being provided on heating element telescopic part, bubble on the surface of telescopic part can be removed in the process of moving back and forth along the extension direction of itself, prevent bubble from growing, reduce the number of large bubble in heating cavity, to reduce the vibration noise of heat exchange system.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

System configuration for coal power unit to adapt to deep peak regulation flexible operation

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.
Owner:SHANGHAI WAIGAOQIAO NO 3 POWER GENERATION

Steam optimization production method and equipment for steam injection boiler of thickened oil recovery coal-fired fluidized bed

The invention relates to the technical field of boilers, and provides a steam optimization production method and equipment for a steam injection boiler of a thickened oil recovery coal-fired fluidized bed, and the production method comprises the steps: 1, constructing a coupling model of a water supply quantity feedback controller and a steam dryness feedforward predictor, 2, training and optimizing the coupling model in a data driving mode, wherein the coupling model is used for predicting the dryness of steam produced under the data conditions of specific water supply quantity, fuel characteristics and fluidization air quantity; 3, inputting current water supply quantity, fuel characteristics and fluidization air quantity data, and predicting the dryness of steam produced under the current production condition by utilizing the trained model; 4, based on the predicted steam dryness, on the basis of steam dryness prediction, under the current water supply condition, on the basis of mean square errors of the predicted steam dryness and rated steam dryness, fuel characteristics and fluidization air volume data are optimized and adjusted, and steam optimized production is achieved; a feedforward predictor is constructed through a time-varying long-short-term memory network, and accurate capture is achieved.
Owner:SHANGHAI SIFANG WUXI BOILER ENG CO LTD

Novel high-quality pure steam generator

ActiveCN224121219USolve the problem of insufficient dryness processing capacityRaise the ratioSteam separation arrangementsSteam generation plantsThermodynamicsBuffer tank
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.
Owner:CHANGZHOU MACROPROCESS LUSTRATION TECH CO LTD

A waste heat recovery device and process for the production of long-chain nylon resin

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.
Owner:WUXI YINDA NYLON

Heat exchange device with vibration noise suppression function

The application provides a heat exchange device with vibration noise suppression function, which comprises a heat exchange body, a heating cavity in the heat exchange body, a water inlet and a steam outlet on the heat exchange body and in communication with the heating cavity, a heating element in the heating cavity, and a flow dividing element in the heating cavity, wherein the flow dividing element comprises a plurality of water injection holes, each of which is in communication with the water inlet and is used for injecting water to remove steam bubbles on the surface of the heating element. The heat exchange device with vibration noise suppression function aims to solve the problem of large operation noise of the heat exchange device in the prior art.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Gas cooled reactor nuclear power unit secondary loop and oxygen adding treatment method

The application provides a gas cooled reactor nuclear power unit secondary loop and oxygenation treatment method, and relates to the technical field of oxygenation treatment of a gas cooled reactor nuclear power unit secondary loop. The oxygenation treatment method of the gas cooled reactor nuclear power unit secondary loop comprises a post-starting feedwater oxygenation conversion stage, a normal operation oxygenation control stage and a pre-shutdown feedwater oxygenation conversion stage. The oxygenation treatment method of the gas cooled reactor nuclear power unit secondary loop can effectively prevent dissolved oxygen from entering a steam generator heat transfer pipe during the starting and stopping stages, thereby avoiding intergranular corrosion and stress corrosion of the steam generator nickel-based alloy caused by the synergistic effect of dissolved oxygen and high-concentration anions.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Steam generating device of boiler steam system

The utility model belongs to the technical field of boiler steam systems, and particularly relates to a steam generating device of a boiler steam system, which comprises a boiler and a gas-liquid separator connected with the boiler, a flue is arranged at the top of one side of the boiler, a material returning channel is arranged at the bottom of the boiler, a hearth is arranged in the boiler, and an air chamber is arranged at the bottom of the hearth. An air distribution plate is arranged between the hearth and the air chamber, a plurality of rows of air caps with different hole diameters are arranged on the air distribution plate, and the hole diameters of the air caps close to the front and rear walls of the boiler and the furnace walls on the left and right sides of the boiler are larger than those of the air caps in other areas. According to the air cap arrangement mode, the fluidization air volume is reduced, the fluidization effect is improved, and the carbon content is reduced.
Owner:ANHUI JINHE INDUSTRIAL CO LTD

A multi-stage waste heat boiler heat recovery device and cutting method

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.
Owner:SHANDONG JINMEI MINGSHENGDA CHEM CO LTD

Gas-fired boiler combined with finned tubes for heat exchange

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.
Owner:SUZHOU SHENGYAN LOW CARBON ENVIRONMENTAL PROTECTION TECH CO LTD

Combined heat and power supply device of boiler

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.
Owner:LIANYUNGANG GANYU KANGHENG ENVIRONMENTAL PROTECTION ENERGY CO LTD

Device for recycling steam condensate water of industrial boiler

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.
Owner:FUJIAN SPECIAL EQUIP TESTING RES INST

Steam-water system started by high-temperature gas cooled reactor steam generator and use method of steam-water system

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.
Owner:HUANENG NUCLEAR ENERGY TECH RES INST CO LTD

Water and steam containing structure of horizontal boiler

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.
Owner:SHANDONG NORTH GREEN TECHNOLOGY CO LTD