29results about "Water circulation promotion" patented technology

The present application relates to a method for reducing the start-up time of a water-cooled wall standby furnace, which uses equipment including a gasifier water-cooled wall, a steam drum and a water-cooled wall circulating water pump. The present application makes full use of the heat of the continuous blowdown of the operating series steam drum, and realizes the maintenance of the standby series water-cooled wall temperature, and the system is simple and the control is convenient; compared with the prior art, the present application can reduce the start-up time of the standby furnace, reduce the impact of the gasifier trip on the device operation load, and reduce the economic loss caused by shutdown. According to the water baking time of 8 hours, the present application can reduce the economic loss of 8 hours caused by unplanned shutdown, and according to the gasification scale of 100,000 standard cubic meters / hour of effective gas production, the economic loss can be reduced by nearly 500,000 yuan.

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.

The utility model relates to the technical field of constant pressure, in particular to a constant-pressure circulating device for a gas-fired boiler, which comprises a water storage tank and a water inlet pipe. A water inlet pipe is arranged at the top end of the water storage tank, two ends of the water pump are fixedly connected with the water inlet pipe, and a water outlet pipe is arranged on the outer wall of the lower end of the water storage tank; the water storage tank is fixedly connected with the constant-pressure tank through a connecting pipe, containing grooves are formed in the two sides of the constant-pressure tank, and the glass sheets are fixed to the inner walls of the containing grooves in a sealed mode; by improving the constant-pressure circulating device for the gas-fired boiler, the constant-pressure circulating device for the gas-fired boiler has the advantages of being reasonable in structural design and capable of stabilizing instantaneous water pressure and flexibly adjusting water flow, and therefore the problems and defects in the prior art and equipment are effectively solved.

The present application relates to a kind of heat pump steam system control method and device, controller.The heat pump steam system control method described in the present application includes the following steps: obtaining steam demand quantity increases adjustment instruction;Determine whether heat pump steam system is in flash mode or hot water mode;If it is flash mode, steam outlet is opened, hot water outlet is closed, electric heating element is closed, the output power of heat pump system is increased, the frequency of pressurizing pump is increased, the opening of water supply valve is increased, and the opening of steam outlet valve is increased;If the current steam production does not meet the set steam demand, and meet the first preset condition, then control system enters hot water mode, steam outlet is closed, hot water outlet is opened, and electric heating element is started.The heat pump steam system control method described in the present application has the advantages of high efficiency in steam generation and low energy consumption of the system.

The application provides a boiler intermediate mixing header system and a boiler water circulation system, wherein the boiler intermediate mixing header system comprises a header structure, the header structure comprises an inlet box section and an outlet box section in communication with the inlet box section, a first channel is arranged in the inlet box section, a second channel is arranged in the outlet box section, and the cross-sectional area of the first channel is smaller than that of the second channel in the direction perpendicular to the extension direction of the first channel to the second channel; a plurality of inlet portions are arranged on the header structure at intervals and in communication with the inlet box section; and a plurality of outlet portions are arranged on the header structure at intervals and in communication with the outlet box section. Therefore, the technical scheme of the application effectively solves the problem of large outlet steam-water temperature deviation of the boiler spiral pipe ring in the related art, and further causes the uniformity of the steam-water temperature entering the vertical pipe ring water wall to be poor.

A pump uses the steam hammer effect to pump water from a reservoir into a control volume. Steam is injected into a water conduit extending between a liquid water reservoir and the control volume forms a liquid steam interface. Steam within the conduit condenses on the interface creating a region of partial vacuum. Water accelerates into the region of partial vacuum and is vented into the control volume, flow being controlled by a valve.

The utility model provides a liquid-gas separation circulating system, and relates to the field of energy-saving devices. The problem that an existing steam system cannot recycle used steam is solved. The liquid-gas separation circulating system comprises a steam generator, a sterilization tank and a cooling device; wherein a steam outlet of the steam generator is communicated with a steam inlet of the sterilization tank through a first pipeline and a first electromagnetic valve, and a liquid inlet of the steam generator is communicated with an overflow port of the cooling device through a second pipeline and a second electromagnetic valve; and a steam outlet of the sterilization tank is communicated with a steam inlet of the cooling device through a third pipeline and a third electromagnetic valve. According to the scheme, steam is recycled, pollution is reduced, and the utilization rate of resources is increased.

This invention discloses a photovoltaic and fuel-based drying steam generation system, relating to the field of drying equipment. The system includes a photovoltaic water heater, an insulated water tank, a steam generator, and a heat exchanger. The outlet of the photovoltaic water heater is connected to the inlet of the insulated water tank via a first pipe. The outlet of the insulated water tank is connected to the inlet of the steam generator via a second pipe. The steam inlet of the steam generator is connected to the heat exchanger via a third pipe. The drain outlet of the heat exchanger is connected to the inlet of the insulated water tank via a fourth pipe. The photovoltaic water heater converts solar energy into heat energy to heat water. The heated water is stored in the insulated water tank and supplied to the steam generator. The steam generator heats the water to its boiling point to generate steam. The steam heats air through the heat exchanger, and the hot air is delivered to the drying equipment to dry agricultural products. Because the hot water is directly heated, steam is generated quickly, reducing energy consumption and lowering costs.

The application relates to a heat pump steam system control method and device, and a controller. The heat pump steam system control method comprises the following steps: obtaining a steam quality increasing adjustment instruction; judging whether the heat pump steam system is in a flash mode or a hot water mode; if the heat pump steam system is in the flash mode, opening a steam outlet, closing a hot water outlet, and closing an electric heating element to increase the output power of the heat pump system; if the current steam quality does not meet a set steam quality and a first preset condition is met, the system is controlled to enter the hot water mode, the steam outlet is closed, the hot water outlet is opened, and the electric heating element is started. The heat pump steam system control method has the advantages of high efficiency in generating required steam and low energy consumption of the system.

To provide a steam generator which can prevent a temperature of a heat transfer surface of an evaporator from increasing excessively during start of circulation of a liquid material.SOLUTION: A steam generator includes: a gas-liquid separator 10 having a first storage part 11a forming a space for storing a liquid material La, a liquid material supply part 12 configured to supply the liquid material La to the first storage part 11a, and a gas discharge part 13 serving as a discharge path of a gas in the first storage part 11a; an evaporator 20 having a second storage part 21a forming a space for storing the liquid material La, and heating means 23 configured to heat the liquid material La in the second storage part 21a; a lower pipe 30 serving as a passage that allows a lower part of the first storage part 11a and a lower part of the second storage part 21a to communicate with each other; an upper pipe 40 serving as a passage which allows an upper part of the second storage part 21a and an upper part of the first storage part 11a to communicate with each other; and a noncondensable gas supply part 50 which supplies a noncondensable gas Gb to the second storage part 21a or the lower pipe 30.SELECTED DRAWING: Figure 2

The invention provides a steam, heat and power cogeneration system under a deep peak regulation working condition and an operation method. The system comprises a coal-fired unit, a first transformer, a second transformer, an electric boiler, an electric superheater and a desalting water tank. The first transformer is connected with the electric boiler; the second transformer is connected with the electric superheater; an inlet of the electric boiler is connected with an outlet of the demineralized water tank through a water supply pipeline, an outlet of the electric boiler is connected with an inlet of the electric superheater through a first hot water pipeline, and an outlet of the electric superheater is communicated with a steam supply main pipe of the coal-fired unit through a steam supply pipeline. When the coal-fired unit operates at low load, steam generated by the electric superheater in the steam supply pipeline and steam in the steam supply mother pipe are supplied to industrial steam users together. According to the system, the peak regulation depth of the coal power unit is further improved, the new energy consumption capability is improved, and the overall income of a coal power enterprise is improved; the system has good adaptability, high return on investment and operation reliability, and lays a solid foundation for large-scale popularization and application of the system.

The invention discloses a thermoelectric unit boiler surface pollution discharge waste heat recovery method and device. Steam discharged by a boiler drum is heated by a superheater and then sequentially enters a high-pressure air cylinder, a medium-pressure air cylinder and a low-pressure air cylinder to push a steam turbine to generate electricity, and superheated steam obtained after step-by-step cooling and pressure reduction serves as heat supply steam to be output; boiler water obtained after regular surface pollution discharge or continuous surface pollution discharge of a boiler drum is fed into a vaporizer and sprayed downwards, meanwhile, part of superheated steam discharged by a low-pressure air cylinder is introduced into the vaporizer and flows upwards, the boiler water makes reverse contact with the superheated steam in the vaporizer, and the boiler water is vaporized to generate continuously-discharged steam; continuously-discharged steam is collected into heat supply steam after being filtered, and concentrated water collected at the bottom of the vaporizer is returned through a reflux pump to be circularly evaporated and vaporized. The superheated steam is introduced to vaporize the high-temperature and high-pressure wastewater discharged from the surface of the boiler, so that 100% utilization of waste heat discharged from the surface of the boiler and zero discharge of the wastewater can be realized.

The utility model discloses a cooling water circulation system for a biomass steam boiler, which belongs to the technical field of cooling water circulation, and comprises a support table, the left side of the top of the support table is fixedly connected with a steam boiler body, and the inner wall of the steam boiler body is fixedly connected with a circulation mechanism. A pre-cooling mechanism is fixedly connected to the rear side of the top of the supporting table, a circulating mechanism can effectively absorb heat in the boiler, cooling of key parts of the boiler is guaranteed, cooling pipes are arranged on the inner wall of the boiler and can make contact with the area needing to be cooled in a large area, heat is transferred to water in the pipes, local overheating of the boiler is prevented, and the service life of the boiler is prolonged. Normal operation and safety of the boiler are guaranteed, the pre-cooling mechanism receives hot water discharged from the steam boiler, and the hot water is prevented from directly entering the cooling tower, so that the load of the cooling tower is reduced, the hot water is changed into small liquid drops, the contact area of the hot water and a cooling medium is increased, heat dissipation is accelerated, and the pre-cooling efficiency is improved.

The invention discloses a double-water-inlet double-cavity independent temperature control type steam boiler which comprises a main body, an upper vaporizing cavity and a lower vaporizing cavity which are arranged up and down and isolated from each other are formed in the main body, and a first heating body used for controlling the vaporizing temperature in the upper vaporizing cavity and a second heating body used for controlling the vaporizing temperature in the lower vaporizing cavity are arranged in the main body; moreover, a first liquid inlet communicated with the upper vaporizing cavity and a second liquid inlet communicated with the lower vaporizing cavity are further formed in the main body and are used for injecting liquid flow into the upper vaporizing cavity and the lower vaporizing cavity respectively; at least one first steam outlet communicated with the upper vaporizing cavity and at least one second steam outlet communicated with the lower vaporizing cavity are further formed in the outer wall of the main body and used for allowing steam in the upper vaporizing cavity and the lower vaporizing cavity to flow out respectively. According to the technical scheme, the purposes of double-water-inlet double-cavity and independent temperature control can be achieved, and the vaporization degree in the vaporization cavity is effectively improved.

The invention discloses a boiler water system, superheater and reheater collaborative chemical cleaning system and cleaning method.The boiler water system, superheater and reheater collaborative chemical cleaning system comprises a boiler water system, a superheater system, a reheater system, a cleaning assembly, a flushing assembly, a control pipeline assembly and a discharge pipeline assembly; the cleaning assembly comprises a cleaning box, a cleaning pump and a cleaning pipeline, the flushing assembly comprises a large flushing tank, a flushing pump and a flushing pipeline, the cleaning pipeline is used for cleaning the boiler water system, the superheater system and the reheater system, and the flushing pipeline is used for flushing the boiler water system, the superheater system and the reheater system. The discharging pipeline assembly is used for discharging waste liquid generated by cleaning or flushing. According to the collaborative chemical cleaning system for the boiler water system, the superheater system and the reheater, the overall cleaning time of the boiler water system, the superheater system and the reheater system can be effectively shortened, and the overall cleaning efficiency of the boiler water system, the superheater system and the reheater system is improved.

The invention discloses a waste heat boiler header convenient to assemble, and relates to the field of boilers, the waste heat boiler header convenient to assemble comprises a box body and a plurality of inlet and outlet pipes arranged on the box body, a communicating opening is formed in the inner side face of the box body, a butt joint groove communicated with the communicating opening is formed in the side face of the box body, and a connecting plate is embedded in the inner wall of the butt joint groove; the inlet and outlet pipes are installed on the connecting plate at equal intervals in the length direction of the connecting plate. And locking mechanisms located on the two sides of the butt joint groove are arranged on the surface of the box body and comprise cover plates installed at the two ends of the butt joint groove, and sliding grooves are formed in the cover plates. According to the waste heat boiler header convenient to assemble, the inlet and outlet pipe and the connecting plate are integrally arranged, so that under the cooperation effect of the locking mechanism, the waste heat boiler header can be conveniently and rapidly assembled, meanwhile, when the inlet and outlet pipe is damaged subsequently, the inlet and outlet pipe can be conveniently disassembled for maintenance, and the waste heat boiler header is more convenient to use.

The utility model relates to the technical field of boilers, in particular to a boiler tube panel and condensed water heat energy recycling device which comprises a water storage disc, a tube panel is arranged at the top of the water storage disc, a collecting structure is arranged at the top of the water storage disc, and the collecting structure comprises a fixed sleeve, a hinge and a movable sleeve. A fixed sleeve is fixedly connected to the top of the water storage disc, a hinge is fixedly connected to one side of the top of the fixed sleeve, a movable sleeve is rotationally connected to the top end of the hinge, conduction structures are arranged on the two sides of the tube panel, each conduction structure comprises a conduction ring and a conduction frame, and multiple groups of conduction rings are fixedly connected to the inner walls of the fixed sleeve and the movable sleeve; the bottom of the conduction ring is fixedly connected with a conduction frame, the conduction frame is arranged at the bottom of the water storage disc, and the boiler tube panel and condensed water heat energy recycling device has the advantage that residual heat generated by the tube panel can be conducted to the outer side through the arranged conduction structure.

The invention discloses a device for improving by-product low-pressure steam optimization of a natural gas-to-ethylene glycol rectification device, which comprises a dealcoholization tower A / B, a dealcoholization tower waste heat boiler A / B, a methanol recovery tower, a waste heat reboiler A / B, a side condenser, a steam compressor and a gas-liquid separation tank, and the tower top process material of the dealcoholization tower A / B is connected with the tube pass of the dealcoholization tower waste heat boiler A / B through a pipeline; shell side by-product low-pressure steam of a waste heat boiler A / B of the dealcoholization tower is gathered and then divided into three paths to be respectively connected with a shell side of a waste heat reboiler A / B, a shell side of a bypass condenser and a gas-liquid separation tank at an inlet of a steam compressor, and the top of the gas-liquid separation tank at the inlet is further connected with the steam compressor through a pipeline. And by-product steam is pressurized by a steam compressor and merged into a steam pipe network for recycling. According to the invention, the originally wasted byproduct steam of the waste boiler at the top of the dealcoholization tower can be recovered, the quality of the steam is improved by using the compressor, and the efficient reutilization of the steam is realized, so that the energy consumption in the ethylene glycol production process is reduced, and the economic benefits and environmental benefits of enterprises are improved.

The invention relates to the technical field of boiler heat exchangers, in particular to a winding pipe type heat exchange boiler which comprises a shell assembly, a heat exchanger assembly arranged in the shell assembly and an air bag located at the top of the shell assembly. The heat exchanger assembly is installed between the air inlet pipe and the exhaust pipe and fixedly installed on the inner wall of the shell assembly. According to the winding pipe type heat exchange boiler, through the arrangement of the stirring assembly, the purpose of improving the heat exchange efficiency of the heat exchange coil pipe is achieved, and the effects of reducing the impact force of water pressure on the heat coil pipe and improving the stability of the heat coil pipe are achieved through the conical turbine and the buffer assembly; the auxiliary damping assembly, the limiting support and the damping pad can reduce water flow impact borne by the heat exchange coil pipe and reduce vibration generated when bubbles are generated and disappear to a certain degree, and the purposes of double damping of the heat exchange coil pipe and adjustable damping capacity of the heat exchange coil pipe are achieved.

The utility model provides a steam boiler for heating and oxidation prevention of hair dyeing cream, which comprises a reaction kettle, a stirring assembly rotationally arranged on the reaction kettle, an aeration assembly arranged at the bottom of the reaction kettle, a nitrogen supply assembly arranged on the aeration assembly and a backflow assembly arranged on the reaction kettle, the aeration assembly is used for dispersing nitrogen into micro-nano bubbles and conveying the micro-nano bubbles into the reaction kettle, and the reflux assembly is used for collecting excessive nitrogen in the reaction kettle and refluxing the excessive nitrogen into the reaction kettle. Nitrogen is dispersed into micro-nano bubbles through the aeration assembly and then enters the reaction kettle, so that oxygen in the reaction kettle is effectively discharged, and the hair dyeing cream is prevented from being oxidized. Through cooperation of the stirring assembly and the aeration assembly, nitrogen and the hair dyeing cream are fully mixed, and the anti-oxidation effect is improved. The device has the advantages of simple structure, simplicity and convenience in operation, high raw material utilization rate, low implementation cost, effective improvement of product quality and convenience in popularization and implementation.

To improve operational stability and allow for shorter piping. [Solution] A thermosiphon circuit is configured including a condenser (22) and a gas-liquid separator (31). Separated circulating water of the liquid phase separated by the gas-liquid separator and supply water supplied from a water supply pump (34) after heat exchange with the refrigerant in the subcooler (22) are combined at a confluence point (P1). A steam generation unit (11) boils the combined water in the condenser and supplies it to the gas-liquid separator. A heat pump unit (12) evaporates and compresses the refrigerant with heat recovered from the heat source water, and uses the refrigerant to boil the combined water in the condenser. The circulation channel (32) connected from the gas-liquid separator to the condenser includes a first piping section (41) connected to the gas-liquid separator and supplying separated circulating water, and a second piping section (42) connecting the first piping section and the condenser. The second piping section has a confluence point and extends along the horizontal direction.

The utility model discloses a steam generator which is characterized in that a high-frequency coil and a magnetic induction heating rod are combined for heating in a steam generating bin, and a plurality of evaporation holes are formed in the magnetic induction heating rod. When water is heated in the evaporation holes, the evaporation holes can prevent bubbles generated by boiling from being combined with one another and destroy tension water to restrain the bubbles from being increased. After the bubbles are timely damaged, the liquid level is prevented from rolling over, so that the noise caused by bubble burst is remarkably reduced, and the use experience of a user is improved.

The utility model discloses a detachable composite heating plate, and particularly relates to the technical field of heating plates, which comprises a heating plate body, an air inlet pipe and an air outlet pipe are respectively arranged at two ends of the side surface of the heating plate body, an air distributing pipe is arranged on the side surface of one end of the heating plate body close to the air inlet pipe, and a plurality of connecting through pipes are arranged on one side of the heating plate body close to the air outlet pipe. According to the utility model, the interior of the heating plate can be cleaned, maintained or adjusted through the first sealing plug as required, and the first sealing plug is used for sealing the connecting through pipe during normal work to ensure that the water vapor circulation is not influenced; a complete water vapor circulation path can be formed, it is ensured that water vapor can smoothly circulate in the heating plate, the water vapor heating mode is environmentally friendly and free of pollution, the electric leakage risk of an electric heating mode is avoided, use safety is guaranteed, and the requirements for environmental protection and safety of the modern society are met.

The invention discloses a rapid and flexible peak regulation boiler water working medium circulating system and method with energy storage bypass circulation, and relates to the technical field of boiler water working medium circulation.The rapid and flexible peak regulation boiler water working medium circulating system comprises a steam pocket, a heat storage tank, a descending pipe, a circulating water pump, a hearth water cooling wall, a first valve and a second valve, the heat storage tank is communicated with an inlet of a circulating water pump through a pipeline via a second valve, an outlet of the circulating water pump is communicated with a downcomer, the downcomer is communicated with a hearth water-cooled wall, the hearth water-cooled wall and the steam pocket form a circulation loop, and an economizer, a superheater and a water feeding pump can be selectively arranged. The method comprises an energy charging step and an energy releasing step, the high-enthalpy-value working medium in the steam pocket is stored in the heat storage tank during energy charging, and the high-enthalpy-value working medium in the heat storage tank is conveyed to the hearth water wall circulating system during energy releasing. Storage and quick release of the high-enthalpy working medium are achieved through bypass circulation, the enthalpy value of the working medium at the inlet of the boiler and the steam yield rate are directly increased, and the variable load response capacity of the boiler is remarkably improved.

The utility model provides a comprehensive utilization system for low-quality boiler water of a power plant, which relates to the technical field of boiler constant and continuous drainage water recovery and comprises a boiler water main pipe, a first stop valve is arranged at one end of the boiler water main pipe, and a check valve is arranged at one end, far away from the boiler water main pipe, of the first stop valve. According to the utility model, the low-quality definite and continuous drainage of the boiler and the external steam supply are combined, the definite and continuous drainage is used as the output of the external steam supply, the steam supply quality is controlled by utilizing the recovery control system, the energy and water resources in the definite and continuous drainage are recovered, and the key parts of the recovery system are reasonably selected and designed. The continuous and stable operation of the recovery system is guaranteed, a plurality of bypasses are arranged, an operator can conveniently conduct overhaul and maintenance at any time, the recovery control system monitors external steam supply parameters in real time, the opening degree of an electric control valve of the boiler water main pipe is adjusted and controlled in time, the external steam supply quality is guaranteed, and the labor cost is also saved.

A steam generation system (10) includes one or more liquid reservoirs (12) and a steam generator (14) converting liquid from the liquid reservoirs (12) into steam during a steam cycle. The liquid reservoirs (12) are connected to the steam generator (14) via a first liquid line (16) and via a second liquid line (22). First and second fluid level sensors are associated with a minimum level and with a maximum level of liquid in the steam generator (14), respectively. A fill pump (20) is located along the first liquid line (16) and controls liquid exiting the liquid reservoirs (12) and entering the steam generator (14). A drainage pump (24) is located along the second liquid line (22) and controls liquid exiting the steam generator (14) and entering the liquid reservoirs (12). The steam generator (14) is connected to steam output (28) via a steam line (26). The calibration method comprises the step of estimating a flow rate of a component of the steam generation system (10) which may be the steam generator (14) or the fill pump (20) or the drainage pump (24). The flow rate of the component of the steam generation system (10) may be estimated at the beginning of a steam cycle or during a steam cycle or after a steam cycle.

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.

The application relates to a downcomer and steam module industrial boiler for absorbing expansion, and relates to the technical field of large steam module industrial boilers. The downcomer and steam module industrial boiler comprises a first straight pipe, a second straight pipe, a first elbow pipe and a second elbow pipe. One end of the first straight pipe is connected to a top water tank, and the other end is connected to the first elbow pipe. One end of the second elbow pipe is connected to the tail end of the first elbow pipe, and the other end is connected to the second straight pipe. One end of the second straight pipe, which is far away from the second elbow pipe, is connected to a bottom water tank. The first elbow pipe and the second elbow pipe are used for absorbing the displacement generated by the thermal expansion of the pipe body. The application avoids the direct action of the thrust generated by the thermal expansion of the downcomer on the welding opening, reduces the stress concentration of the welding opening, and reduces the risk of cracking of the welding opening.