23results about How to "Guaranteed regeneration effect" patented technology

The invention provides a seawater uranium extraction material elution and regeneration device, which comprises an elution and regeneration tank, an eluent collection flow path and a regeneration liquid collection flow path, the elution and regeneration tank is internally provided with at least two spacer regions, the adjacent spacer regions are communicated with each other, and fiber materials after uranium adsorption are separately placed in the spacer regions at intervals; the inlet end and the outlet end of the eluent collecting flow path are respectively connected with the elution regeneration tank, and at least two parallel eluent collecting tanks are arranged on the eluent collecting flow path so as to collect eluents with different concentrations flowing through the spacer region; the inlet end and the outlet end of the regenerated liquid collecting flow path are respectively connected with the elution regeneration tank, at least two regenerated liquid collecting tanks which are connected in parallel are arranged on the regenerated liquid collecting flow path, and the regenerated liquid collecting tanks are used for collecting regenerated liquid which flows through the spacer region and has different concentrations, so that the regenerated liquid is treated and discharged or returned to the elution regeneration tank for recycling. The seawater uranium extraction material elution and regeneration device can reduce the discharge of eluent and regeneration liquid, and improves the environmental friendliness.

The invention relates to the technical field of oil gas recovery, and discloses a cascade pressurized adsorption oil gas recovery system which comprises an absorption and dehumidification device, a first-stage adsorption and desorption device and a second-stage adsorption and desorption device which are sequentially communicated through a pipeline, the absorption and dehumidification device comprises an oil gas feeding line, an oil gas buffer tank, a frequency conversion fan, an absorption tower, a demister and a dehumidification tank which are sequentially communicated through pipelines, the first-stage adsorption and desorption device comprises two first-stage adsorption towers which are arranged in parallel, and the second-stage adsorption and desorption device comprises two second-stage adsorption towers which are arranged in parallel. The invention also provides a cascade pressurization adsorption oil gas recovery method. The device has the beneficial effects that low-temperature absorption of diesel oil is performed firstly, then two-stage serial tower type pressurized adsorption is performed, adsorption of light hydrocarbon components is enhanced, negative-pressure desorption regeneration of hot nitrogen is performed, and the content of non-methane total hydrocarbon discharged from treated tail gas is less than or equal to 100mg / m < 3 >, so that ultralow up-to-standard discharge is realized.

The invention relates to a belt type vacuum filter capable of automatically adjusting blanking speed, which comprises a main body, a rubber belt sleeved on the main body and filter cloth sleeved on the outer side of the rubber belt, a feeding assembly used for paving slurry on the filter cloth is arranged on the main body, and the feeding assembly comprises a feeding pipeline and a blanking hopper arranged below the feeding pipeline. A baffle is arranged on the feeding pipeline in a sliding mode, a tensioning roller is arranged below the rubber belt in a sliding mode, the tensioning roller descends in the process that the slurry is poured into the feeding assembly and drives the baffle to slide to block the feeding pipeline, and a filtering assembly for filtering the slurry is arranged on the side face of the feeding assembly. The side surface of the main body is provided with a scraper for discharging the slurry on the filter cloth, and a cleaning assembly for cleaning the filter cloth is arranged below the scraper, so that the problems that the discharging speed is fixed, and the slurry density or thickness is too high, so that thorough filtration cannot be ensured during filtration, and the quality of finished products is influenced due to non-uniform filtration are solved.

The present invention discloses a regeneration control method, device, hybrid vehicle and medium for a hybrid vehicle. The regeneration control method for a hybrid vehicle includes: when the vehicle enters a driving regeneration control mode, obtaining the real-time engine speed and the real-time engine torque; obtaining a regeneration torque correction value according to the real-time engine speed and the real-time engine torque; obtaining the real-time engine exhaust temperature; obtaining an exhaust temperature correction coefficient according to the real-time engine exhaust temperature; obtaining the engine torque under the regeneration control mode according to the real-time engine torque, the regeneration torque correction value and the exhaust temperature correction coefficient; completing driving regeneration according to the engine torque under the driving regeneration control mode, and by correcting the engine torque, increasing the engine exhaust temperature, improving the regeneration efficiency, and ensuring the regeneration effect under low-load conditions.

The invention belongs to the technical field of lactitol production, and provides a purification and regeneration device and a regeneration method in a lactitol production process. The purification and regeneration device comprises an ion exchange column, one end of which is connected with a sewage pipe and a backwashing water inlet pipe, and the other end of which is connected with a desalted water inlet pipe and a regeneration agent feed pipe; the ion exchange column is connected with a temporary storage cylinder through a connecting pipe, so as to solve the technical problem that the resin cannot be completely regenerated due to repeated use of the regeneration agent in the prior art, thereby affecting its exchange capacity. The invention realizes repeated recycling of the low-concentration regeneration agent by mixing a set volume of high-concentration regeneration agent with a low-concentration regeneration agent in a modulation cylinder and finally forming a regeneration agent of a set concentration, thereby ensuring that the concentration of the flushing regeneration agent is the set concentration. The invention can be widely used in operation scenarios for reducing solution consumption.

The present invention provides a frost-free air source air-increasing heat pump for solution dehydration, including an air-increasing heat-increasing heating cycle and an ice-dehydration cycle; the ice-dehydration cycle includes a solution heat exchange pipeline, a storage liquid circulation pipeline and a solution regeneration pipeline, wherein the solution heat exchange pipeline includes a first evaporator, a heat exchange tower, a second stop valve and a first pump; the storage liquid circulation pipeline includes a dilute solution discharge pipeline and a concentrated solution circulation pipeline, the dilute solution discharge pipeline includes a second pump and a first liquid storage tank, and the concentrated solution circulation pipeline includes a second liquid storage tank and a first pump; the solution regeneration pipeline includes a first expansion valve, a dehydrator, a first liquid storage tank and a third pump. The present invention not only reduces the exhaust temperature of the compressor, but also can realize three operating modes such as heating + ice-dehydration + deicing, ensure the continuous operation of heating and the regeneration effect of the solution, occupy a low area and investment cost, is simple to operate, saves the consumption of heat energy, and improves the energy efficiency of the frost-free air source heat pump system.

The utility model relates to the technical field of water treatment, in particular to a structure capable of automatically adjusting dosing concentration for regeneration of a condensate polishing mixed bed. The structure comprises a tap water conveying pipeline, a compressed air conveying pipeline, an automatic dosing system, a mixed bed body and a mixed ion exchanger, the automatic dosing system comprises an anion resin regeneration ejector, an anion resin adjusting pipeline, a cation resin regeneration ejector and a cation resin adjusting pipeline, a regenerated water inlet branch pipe adopts raw water as a regeneration medium, and a backwashing pipeline and a cation resin conveying pipeline are shared, so that the construction cost is saved; on the basis of an anion resin regeneration ejector and a cation resin regeneration ejector, an anion resin adjusting pipeline and a cation resin adjusting pipeline are additionally arranged, it is guaranteed that liquid medicine at the suction end is sufficient, and the maximum supply flow is larger than the flow needed by the target concentration, by means of the technical scheme, the regeneration quality of a mixed bed body can be improved, and the purpose of saving water is achieved; the water production cost per ton of the mixed bed body is reduced.

The invention provides a sample water control system for a hydrogen conductivity measurement system and a use method thereof, the sample water control system comprises a main electric regeneration ion exchanger and a standby electric regeneration ion exchanger, the main electric regeneration ion exchanger and the standby electric regeneration ion exchanger are respectively connected with a chemical sampling water pipeline; solenoid valves are arranged between the main electric regeneration ion exchanger and the chemical sampling water pipeline and between the standby electric regeneration ion exchanger and the chemical sampling water pipeline, the rear side of the main electric regeneration ion exchanger and the rear side of the standby electric regeneration ion exchanger are sequentially connected with a flow transmitter, a pressure transmitter and a first electric control valve, and the first electric control valve is connected with a hydrogen conductivity instrument. The two electric regeneration ion exchangers are used for replacing traditional cation exchange resin, when a control system judges that the measured value of a hydrogen conductivity instrument exceeds the standard or the change speed of the measured value exceeds the limit, the standby electric regeneration ion exchanger is automatically switched to operate, and whether the ion exchangers fail or the water quality exceeds the standard is judged according to the actual situation.

This invention relates to the field of hydrogen peroxide technology and discloses a system and method for preparing hydrogen peroxide. The system includes a hydrogenation unit, an oxidation unit, and an extraction unit connected in sequence. The hydrogenation unit includes a fixed-bed reactor, comprising: a reactor body; a liquid phase inlet, N gas phase inlets, a liquid phase outlet, and a gas phase outlet arranged sequentially from bottom to top on the reactor body; and N catalyst bed sections and a gas-liquid separation component arranged sequentially from bottom to top within the reactor body; N is a natural number and N≥2; a gas distributor is provided below each catalyst bed section and is connected to the gas phase inlet; the gas-liquid separation component is divided into a two-phase zone, a liquid phase zone, and a gas phase zone; the liquid phase zone has a liquid phase outlet; and the gas phase zone has a gas phase outlet. Using this system to prepare hydrogen peroxide can significantly improve hydrogenation efficiency and hydrogenation selectivity, has good safety, effectively improves the selectivity of the hydrogenation reaction and the efficiency of the device, and extends the service life of the catalyst.

This invention relates to a marine exhaust gas treatment system, specifically a shipboard biphase absorbent carbon capture system based on a centrifugal phase-coalescing-heat exchanger integrated unit. This invention proposes a highly efficient and low-energy-consumption shipboard carbon capture system based on a centrifugal phase-coalescing-heat exchanger. This technology combines a centrifugal phase separator, a heat exchanger, and a coalescer. The lean and rich liquids flowing from the bottom of the absorber tower undergo heat exchange and centrifugal phase separation in the integrated centrifugal phase-coalescing-heat exchanger. This technology not only reduces the need for reheating, temperature rise, and centrifugal separation after the phase separator, effectively solving the problem of low phase separation efficiency caused by ship rolling, but also effectively reduces equipment size and floor space by combining the phase separator and centrifugal heat exchanger.

The invention provides an ion exchange resin regeneration dose and concentration control method, which comprises the following steps of: additionally arranging a first concentration meter on a liquid inlet pipeline of a resin regeneration device for metering the concentration of acid liquor or alkali liquor entering the resin regeneration device; a second concentration meter is additionally arranged on a liquid outlet pipeline of the resin regeneration device and is used for metering the concentration of acid liquor or alkali liquor discharged out of the resin regeneration device; and when the difference value between the second concentration meter and the first concentration meter is + / -0.1%, the treatment of the ion exchange resin in the resin regeneration device is completed. According to the method provided by the invention, the optimal acid and alkali consumption and proper acid and alkali concentration required by cation and anion resin regeneration can be designed, so that the optimal control of the acid and alkali consumption is realized on the premise of ensuring the resin regeneration effect.

The invention provides a sodium pyrophosphate system for coupled adsorbent regeneration, the sodium pyrophosphate system for coupled adsorbent regeneration comprises a regeneration assembly, a first heat exchange assembly, a drying assembly and a stock bin assembly, the regeneration assembly comprises a regeneration tower and a heating assembly, the regeneration tower comprises a preheating section, a heating section and a cooling section, the heating assembly is connected with the heating section, and the drying assembly is connected with the stock bin assembly. A hot side inlet of the first heat exchange assembly is used for introducing steam, the first heat exchange assembly is connected with the heating assembly so that heat exchange can be conducted between a heating medium in the heating assembly and the steam in the first heat exchange assembly, the drying assembly comprises a drying piece and a second heat exchange assembly, and a cold side inlet of the second heat exchange assembly is connected with the drying piece. And a hot side inlet of the second heat exchange assembly is connected with a hot side outlet of the first heat exchange assembly, so that in the second heat exchange assembly, steam subjected to heat exchange exchanges heat with drying gas, and a drying medium subjected to heat exchange is introduced into the drying piece. The sodium pyrophosphate system for coupling adsorbent regeneration has the advantages of high energy utilization rate and high production benefit.

The present invention provides a frost-free air source cascade heat pump for solution dehydration, including a cascade heating cycle and an ice dehydration cycle; the ice dehydration cycle includes a solution heat exchange pipeline, a storage liquid circulation pipeline and a solution regeneration pipeline, the solution heat exchange pipeline includes an evaporator, a heat exchange tower, a second stop valve and a first pump; the storage liquid circulation pipeline includes a dilute solution discharge pipeline and a concentrated solution circulation pipeline, the dilute solution discharge pipeline includes a second pump and a first liquid storage tank, and the concentrated solution circulation pipeline includes a second liquid storage tank and a first pump; the solution regeneration pipeline includes a first throttle valve, a dehydrator, a first liquid storage tank and a third pump. The frost-free air source cascade heat pump of the present invention can realize three operating modes such as heating + ice dehydration + deicing, ensure the continuous operation of heating and the regeneration effect of the solution, occupy a low area and investment cost, is simple to operate, saves the consumption of heat energy, and improves the energy efficiency of the frost-free air source heat pump system.

This invention discloses a PTC regeneration bypass control method for window-type oxygen-enriched membrane fresh air systems, belonging to the field of air handling equipment control technology. The method includes: real-time monitoring of the oxygen-enriched membrane component performance degradation rate, dew point of the drying unit, indoor carbon dioxide concentration, and indoor-outdoor temperature difference; comprehensively determining the oxygen-enriched membrane performance degradation and the drying unit regeneration needs, and calculating and selecting the optimal time point with the least impact on the indoor environment to initiate regeneration, taking into account indoor air quality and heat load conditions; first switching to bypass ventilation mode to maintain basic air exchange, while simultaneously regenerating the drying unit and independently expelling moisture outdoors; and smoothly switching back to the original operating mode after regeneration is complete. This method solves the problems of improper regeneration timing, impact on indoor ventilation and comfort during regeneration, and high regeneration energy consumption in existing technologies, achieving efficient, energy-saving, and intelligent regeneration and maintenance of core consumables while ensuring continuous indoor air quality.

The invention provides a hydrogen drying system and a drying method. The hydrogen lossless drying system comprises at least two drying modules used for drying raw material hydrogen; the raw material hydrogen main inlet pipe (H1) is used for providing raw material hydrogen for the at least two drying modules; the product hydrogen total outlet pipe (H9) is used for outputting the product hydrogen treated by the at least two drying modules; and the pipeline assembly comprises a hydrogen pipeline and a valve arranged on the hydrogen pipeline, and is used for controlling the flow direction and the flow rate of the raw material hydrogen so as to realize the switching of a series connection state, a parallel connection state or a hot standby state between the at least two drying modules. According to the hydrogen drying system, the load range of hydrogen purification can be widened, and the hydrogen purity is improved.

The invention provides a fibrous seawater uranium extraction material elution and regeneration device, which comprises an elution and regeneration tank, an eluent collection flow path and a regeneration liquid collection flow path, the top of the elution and regeneration tank is provided with a material suspension bracket, fiber materials after uranium adsorption are respectively suspended on the material suspension bracket at intervals in a single strand manner, and the height of the material suspension bracket is adjustable; the inlet end and the outlet end of the eluent collecting flow path are respectively connected with the elution regeneration tank, and the eluent collecting flow path is provided with at least two eluent collecting tanks which are connected in parallel so as to collect eluents with different concentrations; the inlet end and the outlet end of the regenerated liquid collecting flow path are respectively connected with the elution regeneration tank, the regenerated liquid collecting flow path is provided with at least two regenerated liquid collecting tanks which are connected in parallel, and the regenerated liquid collecting tanks are used for collecting regenerated liquid with different concentrations so as to treat and discharge the regenerated liquid or return the regenerated liquid to the elution regeneration tank for recycling. According to the fibrous seawater uranium extraction material elution and regeneration device, the discharge of eluent and regeneration liquid can be reduced, and the environmental friendliness is improved.

The invention relates to the technical field of demineralized water treatment devices, in particular to a thermal power generating unit cooling demineralized water closed circulation device which comprises a base, and a cation exchanger and an anion exchanger are fixedly installed on the two sides of the front end of the upper end face of the base respectively. The water inlet end of the top of the back face of the cation exchanger communicates with a water guide pipe, the water outlet end of the cation exchanger communicates with the water inlet end of the top of the back face of the anion exchanger through a guide pipe, a second valve is arranged on the guide pipe, and a hole is formed in the top of the anion exchanger and communicates with a liquid inlet pipe. The two sides of the end, away from the anion exchanger, of the liquid inlet pipe communicate with a solution communicating pipe and a clear water communicating pipe correspondingly, and the water outlet end of the bottom of the back face of the anion exchanger communicates with a drainage pipe. The cooling effect of the generator set is guaranteed, and through automatic control and resource recovery design, the regeneration effect of resin is optimized, and the service life of the resin is prolonged.

The present invention discloses a spherical sodium zirconium phosphate powder, a preparation method and application thereof, and belongs to the technical field of dialysis materials. The preparation process of the sodium zirconium phosphate powder of the present invention comprises: + Zirconium phosphate synthesis, secondary H + The steps of synthesizing the sodium zirconium phosphate, washing, preparing the slurry, adding sodium reaction and structural stabilization reaction, adjusting the pH value, washing twice, drying and structural strengthening, screening and the like are included. The sodium zirconium phosphate powder prepared by the present invention is spherical in shape, has the characteristics of narrow particle size distribution range, high cation exchange capacity, recyclability, low Hausner ratio, low free phosphorus precipitation value, low zirconium element precipitation value, and excellent biochemical properties. The cation exchange capacity of the sodium zirconium phosphate powder is improved by more than 30% compared with the layered α zirconium phosphate materials in the prior art, and can be reused for more than 15 times, and the regeneration method is simple, so it has broad application value and prospects in the fields of hemodialysis and the like.

The invention relates to the technical field of dry-type transformers, in particular to an air-cooled dry-type transformer which comprises a shell, a transformer body and a fan, the fan is provided with an air inlet and an air outlet, the shell is provided with an air inlet and an air outlet, the air inlet is communicated with the air inlet, a mounting cavity is formed in the shell, a mounting frame is mounted on the shell, and the air inlet is communicated with the air outlet. A dehumidification cavity and an overturning assembly are arranged in the mounting frame, a regeneration assembly is arranged on the shell, a regeneration cavity is formed in the regeneration assembly, drying agents are arranged in the dehumidification cavity and the regeneration cavity, and the air inlet and the air outlet communicate with the dehumidification cavity and the regeneration cavity correspondingly. The overturning assembly is driven to overturn through resistance generated by the dehumidification cavity to the air inlet, so that the dehumidification cavity and the regeneration cavity are switched to the air outlet and the air inlet correspondingly, a drying agent in the dehumidification cavity is regenerated through the regeneration assembly, and the dehumidification effect and equipment safety of the air-cooled dry-type transformer are guaranteed.

The present invention relates to the field of air conditioning technology, and specifically to an energy-saving air conditioning system. The present invention aims to solve the problem of high energy consumption of existing air conditioners. To this end, the energy-saving air conditioning system of the present invention includes: a traditional air conditioning structure; a cooling water tank, in which coolant is stored; a spray pipe, the first end of which is connected to the cooling water tank, the second end of which is provided with a spray hole, and a water pump is provided on the spray pipe; a dehumidification box, in which a solid adsorption component is fixed; a reduction component, the reduction component includes a reduction coil, the reduction coil is partially coiled on the solid adsorption component, and a heat exchange medium is allowed to flow through the reduction coil. The present application can reduce the operating energy consumption of the air conditioning system.

The application discloses a kind of FCC catalyst low carbon regeneration methods, which comprises the following steps: to be deactivated FCC catalyst is carried out vibration sieve pretreatment and removes dust impurities;The catalyst to be regenerated is sent into low-temperature regeneration reactor, control regeneration temperature is in preset low-temperature range, while mixed gas of carbon dioxide and oxygen is imported to carry out catalytic regeneration;Flue gas is carried out pressure swing adsorption separation and purification, and separated carbon dioxide is recycled into regeneration reactor;The activity index of catalyst after regeneration is monitored, and after reaching threshold, it is sent out and recycled.The application significantly reduces the energy consumption of regeneration process by using low-temperature regeneration technology, significantly reduces the emission by recycling and reusing carbon dioxide through flue gas recycling regeneration, further improves energy utilization efficiency through waste heat recovery system, realizes the dual goal of low energy consumption and low carbon dioxide emission, and provides technical support for green and low-carbon development of oil refining industry.

The invention relates to a continuous gas separation and adsorption system and method, and the system is characterized in that an adsorption tower adopts an adsorption bed to adsorb impurities in raw material gas to generate purified gas, the temperature in the adsorption tower is less than or equal to a preset temperature threshold value, a first conveying device conveys a saturated adsorbent in the adsorption bed to a regeneration device, and a second conveying device conveys the saturated adsorbent in the adsorption bed to the regeneration device; the regeneration device is arranged outside the adsorption tower and used for carrying out regeneration treatment on the saturated adsorbent to obtain a regenerated adsorbent, the second conveying device returns the regenerated adsorbent to the adsorption bed, only one adsorption tower is needed, regeneration of the saturated adsorbent is achieved through the regeneration device arranged outside the adsorption tower, and the regenerated adsorbent is returned to the adsorption tower. According to the invention, dynamic cyclic utilization of the adsorbent is realized, switching between an adsorption tower and a regeneration tower is not needed, the downtime is reduced, the regeneration effect of the adsorbent is ensured, the investment construction cost and the operation cost of a gas adsorption system are reduced, continuous adsorption of raw material gas and continuous regeneration of the adsorbent are realized, and the working efficiency is improved.

The present invention provides a solution ice dewatering device and a frost-free air source heat pump using the same. The solution ice dewatering device comprises a shell and an ice-making part, an ice storage chamber, a solution collector and a liquid storage chamber located in the shell; the top of the solution collector is isolated from the ice storage chamber by a partition, and the bottom of the solution collector is connected to the liquid storage chamber; the ice-making part is arranged on the top of the solution collector, and the ice-making part comprises an ice-making tray and a freezing plate arranged opposite to each other, one end of the ice-making tray is hinged to one side of the shell, and one end of the freezing plate is connected to a driving device; an ice-making heat exchange pipe and an ice-removing heat exchange pipe are attached to the side of the freezing plate facing away from the ice-making tray, a plurality of cold fingers are fixed to the side of the freezing plate facing the ice-making tray, a plurality of ice-making grooves are correspondingly arranged on the surface of the ice-making tray, and a solution pipe is arranged on one side of the surface of the ice-making tray. The dewatering device of the present invention has a good dewatering effect, can obtain a concentrated solution with a high concentration, has a simple structure, and is easy to operate; the heat pump using the dewatering device has high efficiency, low energy consumption, and excellent energy-saving performance.