16 results about "Regenerative system" patented technology

The utility model relates to the technical field of anti -burning oil regeneration, specifically is a kind of anti -burning oil regeneration system, including pipeline and dehydration device and regenerator that are sequentially communicated on pipeline, still include temperature control assembly between dehydration device and regenerator;The temperature control assembly includes self-limiting temperature electric heat tracing band that is wound on the outer wall of pipeline, pipeline radiator and pipeline thermometer that are communicated on pipeline, and pipeline thermometer is located at the pipeline inlet of regenerator.This system sets temperature control assembly on the inlet pipeline of regenerator, utilizes the cooperation temperature control of pipeline radiator and self-limiting temperature electric heat tracing band, ensure that anti -burning oil is in proper temperature zone when entering regenerator, avoid the regeneration effect of the fluctuation of oil temperature from good to bad, guarantee the stability of oil quality after regeneration and the reliability of long-term operation of system.

This invention provides a catalyst regeneration energy recovery heat pump system, belonging to the field of heat pump technology. An external air channel connects to a coke-regeneration system via a heat source regenerator. The coke-regeneration system has a flue gas channel connecting to the outside via a high-temperature heat exchanger and a heat source regenerator. An external gas channel connects to a compressor, a high-temperature heat exchanger, a high-temperature expander, a high-temperature steam generator, and a low-temperature steam generator. A heater connects to the low-temperature steam generator via a booster pump. The heater connects to an evaporator via a throttling valve. The evaporator connects to the low-pressure port of an ejector. The low-temperature steam generator connects to the high-pressure port of an ejector. The ejector connects to the heater via a second compressor. An external liquid medium pipeline connects to the high-pressure port of a second ejector via a second booster pump and a high-temperature steam generator. An external heated medium channel connects to the low-pressure port of the second ejector via the heater. The second ejector connects to the outside. The evaporator also has a low-temperature heat medium channel connecting to the outside, forming a catalyst regeneration energy recovery heat pump system.

The application provides a flexible regenerative system and method for improving the variable load rate of a coal-fired power generating unit, and belongs to the field of heat storage peak regulation. The system comprises a steam turbine, a generator, a condenser, a steam extraction pipeline, an exhaust steam pipeline, a first regenerative unit, a heat storage tank, a sprayer, a spray water pipeline and a boiler. The generator is connected to the steam turbine, the inlet of the steam turbine is connected to the outlet of the boiler, the first outlet of the steam turbine is connected to the first inlet of the first regenerative unit through the steam extraction pipeline, the condenser is arranged between the second outlet of the steam turbine and the second inlet of the first regenerative unit, and the outlet of the first regenerative unit is connected to the inlet of the boiler. The sprayer is arranged in the heat storage tank, the spray water pipeline is connected to the sprayer, the inlet of the heat storage tank is connected to the first outlet of the steam turbine, and the first outlet of the heat storage tank is connected to the first inlet of the first regenerative unit. Through the system provided by the application, the deep peak regulation capacity and the rapid variable load capacity of the steam turbine generator unit can be further improved.

The application discloses a regeneration system and method of activated carbon used in a deodorization system of a municipal sewage treatment plant, which comprises an in-situ regeneration cabin, one end of the in-situ regeneration cabin is provided with a feeding port and the other end is provided with a discharging port, a steam inlet, a tail gas outlet and a waste water outlet are further arranged on the in-situ regeneration cabin, the feeding port is in sealing connection with an activated carbon discharging port, the steam inlet is in sealing connection with a steam outlet of an existing steam system in the plant, the discharging port is in sealing connection with an activated carbon feeding port through a discharging conveying mechanism, the tail gas outlet is in sealing connection with a waste gas inlet of an existing waste gas treatment system in the plant, and the waste water outlet is in sealing connection with a waste water inlet of an existing waste water treatment system in the plant; a stirring conveying mechanism is arranged in the in-situ regeneration cabin. The regeneration system can adapt to the characteristics of the activated carbon used in the deodorization system of the municipal sewage treatment plant, fully utilize the existing steam system in the plant, the existing waste gas treatment system in the plant and the existing waste water treatment system in the plant, and realize in-situ regeneration of saturated activated carbon in the plant.

This invention discloses an SPJ-type atomizing desuperheating device for a steam turbine exhaust chamber, comprising a water supply pipe (2) that cooperates with the exhaust chamber (1), including a main water supply pipe (21) and branch pipes (22). The main water supply pipe (21) is equipped with a flow accumulator (3) before entering the exhaust chamber (1). After entering the exhaust chamber (1), it is divided into two symmetrically arranged branch pipes (22) through a stainless steel flange (4), a reducer (5), and a tee. The two branch pipes (22) are respectively located on both sides of the throat of the exhaust chamber. A set of SPJ-type atomizing nozzles (6) are evenly distributed on each branch pipe (22). The nozzles adopt an optimized coating and a quick-connect self-sealing joint, and the flow parameters of each nozzle are consistent. The advantages of this invention are to improve the deoxygenation capacity of the entire regenerative system, atomize heat absorption, reduce waste heat loss, enhance heat exchange, reduce exhaust temperature, improve unit vacuum, reduce circulating water volume, and save circulating water evaporation.

This utility model discloses a regeneration system for an oil and naphthalene removal tower in a coke oven gas to LNG process. The system includes an oil and naphthalene removal tower, a regulating valve, a regeneration gas cooler, a regeneration gas-liquid separator, a regeneration gas electric heater, and a regeneration gas steam heater. The oil and naphthalene removal tower has a bottom gas inlet and a top gas inlet. The bottom gas inlet of the tower is connected to a regeneration gas source via a pipeline and a regulating valve. The bottom gas inlet is sequentially connected to the regeneration gas electric heater and the regeneration gas steam heater via pipelines and a regulating valve. The outlet of the regeneration gas steam heater is connected to the top gas inlet of the tower via a pipeline and a regulating valve. The top gas inlet is sequentially connected to the regeneration gas cooler and the regeneration gas-liquid separator via pipelines and a regulating valve. This system uses a heater and a heat exchanger to heat and cool the regeneration gas, performing cold blowing and regeneration of tar and naphthalene-saturated activated carbon, eliminating the need for an external gas source for cold blowing and regeneration.

This utility model provides a rear-extraction centrifugal fan for a catalyst regeneration system in a PDH unit, relating to the field of centrifugal fan technology, to address the technical problem that impeller maintenance or replacement in existing centrifugal fans can affect the normal operation of the production system. It includes a fan body, a drive assembly, and a movable base. The fan body includes a housing and an impeller housed within the housing; a removable cover is provided on one side of the housing, allowing the impeller to communicate with the external environment when the cover is separated from the housing. The drive assembly includes a drive motor, the output shaft of which is connected to the impeller via a coupling. The movable base includes a first base, a second base, and a connecting assembly. This utility model effectively reduces the difficulty of impeller maintenance and replacement, thereby improving the technical problem of impeller failure affecting the normal operation of the production system.

The utility model discloses a coal fired unit quick peak load regulation and frequency modulation system of high temperature working medium heat storage of heat recovery system coupling relates to conventional heating power electric technology and energy storage technical field, including coal fired unit thermodynamic cycle system and high temperature working medium heat storage system, wherein, high temperature working medium heat storage system and coal fired unit thermodynamic cycle heat recovery system carry out the deep coupling, through the mutual cooperation of reducing steam turbine each stage extraction steam amount and high temperature working medium heat storage system energy supply, realizes the quick combined peak load regulation and frequency modulation of unit. First, when the unit needs quick load, through reducing steam turbine each stage extraction steam amount, realizes the quick promotion of unit power output, at the same time, the high temperature, high pressure saturated water stored in high temperature working medium heat storage tank produces a certain amount of saturated steam through pressure reduction to replace the boiler feed water in steam turbine each stage extraction heating heat recovery system, thereby guaranteeing that the boiler feed water temperature still keeps unchangeable or has the improvement, and then realizes the quick promotion of coal fired unit variable load response ability.

The present application relates to the technical field of thermal power plants, and particularly relates to a high-pressure heater drain regulating valve auxiliary opening device for a thermal power plant, which comprises a connecting flange, a control unit arranged on the outer surface of the connecting flange, an electric drive unit arranged on the upper surface of the control unit, and a manual unit arranged on the outer surface of the electric drive unit; the control unit comprises a control assembly arranged on one side of the connecting flange and a heating assembly arranged on the outer surface of the control assembly; the electric drive unit comprises a driving assembly arranged on the outer surface of the control unit; and the manual unit comprises a connecting assembly arranged on the outer surface of the electric drive unit and a manual assembly arranged on the outer surface of the connecting assembly. The device is driven by mechanical and electrical complementation, actively temperature-controlled, protected and modularly integrated, thereby realizing fast, safe and reliable processing of the high-pressure heater drain regulating valve sticking defect, and significantly improving the operation stability of the steam extraction regenerative system and the overall maintenance level of the unit.

This application relates to the field of boiler equipment technology and discloses an external bed thermal storage system and its operation method for hot standby during boiler shutdown. The thermal storage system includes a fluidized bed boiler unit and an external bed unit. The fluidized bed boiler unit is equipped with a low-temperature superheater and a low-temperature reheater. The external bed unit includes a feed valve connected to a return feeder and a second return pipe connected to the furnace. The external bed unit is equipped with one or more of a medium-temperature superheater, a high-temperature reheater, a high-temperature superheater, and a low-temperature reheater. A primary air supply device is connected to the bottom of the furnace. An external bed fluidizing air supply device is connected to the bottom of the external bed unit, and this device is connected to a regulating valve. This application utilizes the external bed unit to store heat during hot standby during boiler shutdown to ensure the safe operation of the steam turbine. Furthermore, the external bed unit avoids the use of a low-temperature superheater, ensuring the stability of the main steam parameters during high-temperature heat storage and extending the hot standby time.

This application provides a pickling waste liquid treatment and waste heat recovery system, belonging to the technical field of pickling waste liquid treatment in the metallurgical industry. The system includes a pickling waste liquid regeneration system and a tail gas waste heat recovery system. The pickling waste liquid regeneration system includes a spray roasting mechanism for roasting the pickling waste liquid and a regeneration mechanism for treating the flue gas output from the spray roasting mechanism. The tail gas waste heat recovery system includes a combustion fan and a tail gas heat exchanger connected to the tail gas output end of the regeneration mechanism. The combustion fan is connected to the tail gas heat exchanger through a combustion air input pipe, and the tail gas heat exchanger is connected to the spray roasting mechanism through a combustion air output pipe. Through this method, this application can efficiently treat the pickling waste liquid while recovering the waste heat from the generated high-temperature tail gas, and reuse the recovered waste heat in the spray roasting mechanism of the pickling waste liquid regeneration system, effectively improving energy utilization efficiency and economic benefits.

The utility model provides a rotary dehumidification regeneration device and system, relate to rotary dehumidification equipment technical field. The rotary dehumidification regeneration device includes generator, condenser, evaporimeter and absorber, and the second flow channel of generator is connected with the second flow channel of absorber, and the second flow channel in generator is configured to be heated by the first medium in the first flow channel of generator, so that at least part of solvent in the second medium solution is evaporated to form the third medium and is transported to the second flow channel of condenser, and the second flow channel of generator, the second flow channel of condenser, the second flow channel of evaporimeter and the second flow channel of absorber are communicated in proper order, and the outlet of the first flow channel of absorber is communicated with the inlet of the first flow channel of condenser. The rotary dehumidification regeneration system includes the rotary dehumidification regeneration device. The utility model provides a rotary dehumidification regeneration device and system to solve the technical problem that the system of high temperature air is generated by heat pump heating in prior art, needs to adopt compressor work and leads to the technical problem of large power consumption.

The application discloses a heat storage system and method for heating solid particles by electrodes, which makes flowing solid particles themselves as conductive heating medium, realizes direct access of high-voltage power supply and super-high-temperature stable heating, sets up sieve grid-shaped conductive metal blocks on the inner walls of the metal central cylinder and the metal electrodes, increases the contact area of the electrodes and the particles, reduces the contact resistance, guides the current to form three-dimensional distribution in the particle body, realizes volume heating, sets down push plate valves at the top entrance positions of the insulating material channel sections at the bottom of the metal central cylinder and the bottom of the metal electrodes, and can on-line and continuously adjust the resistance geometric size of the solid particle column, and further flexibly adjust the heating power, and completely encapsulates the high-voltage electrode in the high-temperature-resistant insulating material channel, cooperates with a nitrogen protection unit to establish an inert atmosphere micro-positive pressure environment, and improves the safety and long-term operation reliability of the system.

A carbon capture system. Traditional thermal power plants emit exhaust gases containing high concentrations of carbon dioxide, which is directly released into the atmosphere, exacerbating global warming. This invention comprises a scrubbing system, an absorption system, a regeneration system, and a lean liquor filtration system. After boiler dehumidification, the flue gas enters the water scrubbing tower of the scrubbing system. The outlet of the water scrubbing tower is connected to the inlet of the absorption tower of the absorption system via a pipeline. The scrubbed flue gas enters the absorption tower to remove carbon dioxide, and the amine solution that absorbs carbon dioxide becomes a rich solution, entering the bottom of the absorption tower. The bottom of the absorption tower is connected to the top of the regeneration tower of the regeneration system via a pipeline. The bottom of the regeneration tower is connected to the inlet of the lean-rich liquor heat exchanger. The lean liquor outlet of the lean-rich liquor heat exchanger is connected to the inlet of the lean liquor cooler. The outlet of the lean liquor cooler is connected to the lean liquor filtration system. This invention is used for carbon capture.