77results about How to "Reduce operating energy consumption" patented technology

The invention discloses a semi-solid-state complex no-tillage dry direct seeding method for crop seeds. The no-tillage dry direct seeding method comprises the following steps: S1, keeping a water layer of 1cm-5cm in a ditch, and paving straws obtained by harvesting preceding crops on a ditch surface; S2, applying a base fertilizer on the ditch surface paved with the straws and cleaning the ditch; S3, seeding the crop seeds on the ditch surface, and mixing the crop seeds with semi-solid-state biomass materials, a compound fertilizer and a biopesticide before seeding before seeding seeds, wherein the mixing mass ratio is that the crop seeds to the semi-solid-state biomass materials to the biopesticide is (1-10) to (70-800) to (1-3), and the moisture content of the semi-solid-state biomass materials is 40%-80%; and S4, after seeding the seeds, keeping the ditch surface at a dry state for 3-7 days. According to the semi-solid-state complex no-tillage dry direct seeding method, tillage and combustion of winter crop straws are not carried out, a whole land of field immersing water is not used for irrigation and the water immerses after the seeding, and the biological benefits are obvious; the working energy consumption is reduced, stubbles are not killed by pesticides, haze is reduced and the irrigation water is reduced.

The utility model discloses an aerogel energy -conserving tunnel furnace, including conveyer belt and split -type tunnel furnace, the utility model discloses a split -type tunnel furnace is set up at conveyer belt top, through having laid aerogel felt on the inner frame outer surface, and aerogel felt has excellent heat -insulating effect, can effectively reduce the heat loss inside inner frame, thereby reduce the heating pipe operation energy consumption, reach the energy -conserving effect to reach the energy -conserving effect, and aerogel felt reduces the thickness of heat -preserving layer under the condition of realizing equivalent heat -insulating effect, greatly save the space, improve the space utilization, in addition, need to maintain the split -type tunnel furnace operation, first remove the screw connection of connecting pillar and mounting hole, can take off the outer frame from the inner frame outside, make aerogel felt expose, the convenient replacement maintenance of heat -preserving layer, greatly reduce the maintenance standby time.

The utility model discloses a multilayer combined filter structure of desulfurization dust remover, including tower body, at least one layer composite filler layer is arranged in the tower body, the composite filler layer is multilayer structure, and the regular shaped filler area, transition flow guide area, bulk packing area and support grating from top to bottom include successively, the regular shaped filler area and bulk packing area outside all are provided with fixed frame, the regular shaped filler area and bulk packing area are filled in the corresponding fixed frame respectively, through the high specific surface area of bulk packing, can effectively strengthen gas liquid contact in bulk packing area, improve mass transfer rate, and the low resistance characteristic of regular shaped filler can avoid partial pressure drop surge in regular shaped filler area, realizes the balance of desulfurization efficiency and energy consumption, reduces operating energy consumption while guaranteeing desulfurization effect.

This invention discloses a data-driven method for monitoring marine phytoplankton abundance using underwater acoustic networks. The method includes: constructing and training a multi-level spatiotemporal feature ensemble model based on historical marine phytoplankton abundance and corresponding marine environmental data to determine the optimal spatial location and monitoring time window of the underwater acoustic network nodes; constructing a teacher model for channel prediction, including a multi-layer cascaded structure and residual modules, and compressing the teacher model into a student model using spatiotemporal knowledge distillation; training the student model to achieve real-time channel state prediction at the underwater acoustic network nodes; matching suitable underwater acoustic communication devices and seasonal optimal routing strategies to each underwater acoustic network node based on the optimal spatial location and real-time predicted channel state, and performing adaptive modulation and coding at the link level, while simultaneously monitoring phytoplankton abundance using the underwater acoustic network. This invention can improve data throughput and prediction accuracy under strict energy consumption constraints.

The invention discloses an automatic pool cleaning device, an automatic pool cleaning system and a method for controlling the automatic pool cleaning device. The method comprises the following steps: acquiring data about a boundary of a to-be-cleaned area in a pool; determining a path for cleaning the to-be-cleaned area; and controlling the automatic pool cleaning equipment to move according to the path so as to clean the to-be-cleaned area.

This utility model provides an adjustable-angle rain lintel and carbon dioxide adsorption box, relating to carbon dioxide adsorption equipment. The rain lintel includes: a mesh plate having multiple continuous air inlet zones; multiple rain lintel units, each rain lintel unit including multiple stacked baffles and a first connecting rod, each baffle being rotatably connected to the mesh plate at the end near the air inlet zone and rotatably connected to the first connecting rod at the end away from the air inlet zone, forming an air inlet channel between adjacent baffles; and a linear drive mechanism for driving the first connecting rod of each rain lintel unit to move, thereby rotating the baffles of each rain lintel unit. The beneficial effects of this utility model are: under conditions of no sandstorms and no rainfall, airflow with a set direction is delivered to the mesh plate through the air inlet channel, meeting the airflow requirements for gas adsorption operations on the outlet side of the mesh plate; under severe conditions of sandstorms or rainfall, completely blocking the air inlet side of the mesh plate can effectively prevent sandstorms and rainwater from entering the interior.

The application discloses an airplane ground air conditioner energy-saving control method combining environmental parameter prediction, and relates to the technical field of airplane ground support equipment. The method comprises the following steps: collecting airport environmental parameters in real time, training a machine learning prediction model in combination with historical data, and predicting environmental change trends in advance; analyzing the thermal characteristics of an airplane according to the characteristics of the airplane, performing landing time error compensation, and accurately obtaining an environmental parameter sequence of a landing period; calculating an environmental parameter and a cabin thermal characteristic deviation coefficient, and dynamically configuring temperature and energy-saving weights; and iteratively optimizing air conditioner control parameters by using a multi-objective optimization algorithm to obtain optimal air conditioner control parameters. The application realizes the transformation from passive control to active prediction, effectively solves the problems of control lag and high energy consumption in the prior art, significantly reduces energy consumption while ensuring comfort, and improves the intelligent level and operation efficiency of an airplane ground air conditioner system.

This utility model relates to the technical field of boiler furnace air conditioning and distribution devices, and discloses a boiler furnace air conditioning and distribution device, including a furnace body, which is the combustion space of the boiler and has a hollow structure; a primary air inlet duct connected to the bottom of the furnace body for inputting primary air; a secondary air inlet duct connected to different height positions in the upper middle part of the furnace body for inputting secondary air; a primary air volume regulating valve installed on the primary air inlet duct for regulating the primary air volume; and a secondary air volume regulating valve installed on the secondary air inlet duct for regulating the secondary air volume. In this utility model, the inclined air outlet of the air cap at the bottom of the primary air inlet duct and the air distributor in the upper middle part of the secondary air inlet duct cooperate to achieve precise stratified distribution of air in the furnace body. The tangential primary air and the downwardly inclined secondary air form a composite flow field, enhancing the mixing efficiency of fuel and air and improving combustion completeness.

This invention provides an adsorption device for hydrogen peroxide oxidation tail gas, comprising an adsorption tank, an inner filter cartridge, an outer filter cartridge, an adsorption chamber, several air inlets, an adsorption resin layer, an inlet pipe, and an outlet pipe; both the inner and outer filter cartridges are located inside the adsorption tank. This invention optimizes the traditional "flat-lay" structure into a "sleeve-type" coaxial double-layer filter cartridge structure, improving the contact efficiency between the tail gas and the resin, preventing the resin from being blown away or worn, extending its service life, and simplifying the filling process. The elimination of quartz sand filler also simplifies the filling process. The system adopts a "five-in-one-out" operating mode, enabling multiple adsorption tanks to operate in rotation. Combined with steam regeneration, nitrogen purging, and spray cooling processes, it achieves efficient resin regeneration and reuse, significantly reducing operating energy consumption and material replacement frequency. The adsorption system operates stably, has a compact structure, and can continuously and efficiently remove aromatic organic pollutants from the oxidation tail gas, balancing operational economy and environmental friendliness.

The utility model relates to a kind of ice bar machine, comprising: vortex tube heating unit, with hot gas outlet and cold gas outlet;Cooking heating module, including pot and base, the base is equipped with hot gas stream air inlet, this hot gas stream air inlet is connected with the hot gas outlet of vortex tube heating unit, for the hot gas stream is guided into the bottom of pot to heat the food material of ice bar liquid production;Cooling module, including ice bar tray for placing ice bar mold and cold gas delivery pipeline, the cold gas delivery pipeline is connected with the cold gas outlet of vortex tube and the inside of ice bar tray, for injecting cold gas stream to ice bar tray to solidify ice bar liquid in ice bar mold. Advantage is: it is with single vortex tube unit to generate cold, hot two gas streams simultaneously, replace traditional independent compression refrigeration system and external heating equipment, independent heating furnace in prior art is saved, equipment component quantity and overall structural complexity are significantly reduced.

This invention relates to an electrochemical lithium-ion sieve-based lithium extraction apparatus and method, belonging to the field of electrochemical lithium extraction. The apparatus and method mainly comprise: a first end plate, a second end plate, and several electrolytic cell units assembled together. The electrolytic cell units are located between the two end plates. After brine and supporting electrolyte enter the electrolytic cell unit, due to the crisscrossing of the flow guide holes on the cathode and anode guide plates, the brine and supporting electrolyte flow to the cathode and anode respectively. Under the action of an electric field, lithium ions in the brine are absorbed by the lithium-deficient ion sieve on the cathode, transforming into lithium-rich ion sieves. Lithium ions from the lithium-rich ion sieve on the anode are released into the supporting electrolyte, transforming into lithium-deficient ion sieves. After draining the brine and supporting electrolyte, the apparatus is rinsed with pure water, and the brine and supporting electrolyte are exchanged, with the current direction changed, repeating the cycle to achieve selective extraction of lithium from the brine.

The utility model discloses a double cooling snow making is with sliding vane type air compressor, including mainframe shell, mainframe shell one end installs middle oil cooler, middle oil cooler side surface is connected motor cooling fan, motor cooling fan side surface installs drive motor, drive motor one end is equipped with rear air cooler, middle oil cooler side surface is connected oil gas separator. This double cooling snow making is with sliding vane type air compressor, through installing middle oil cooler in mainframe shell one end, simultaneously in middle oil cooler side surface is connected motor cooling fan, and in motor cooling fan side surface installs drive motor, and the layout is reasonable compact, utilizes motor fan and carries out air cooling, need not for air cooler alone design air duct or installation position, when using, it is more convenient in the snow making site deployment and transportation of limited space, not only reduced manufacturing cost also reduced operating energy consumption, improved the economy and reliability of system.

The utility model belongs to high temperature oxidation blackening production line technical field discloses high temperature oxidation blackening production line with waste heat recovery and waste gas purification function, including feeding mechanism, oxidation furnace and cooling tank connected in proper order, and the exhaust port of oxidation furnace is connected with preheating recovery purification unit, preheating recovery purification unit includes spiral flow guide heat exchange pipe, inertial separation chamber, catalytic oxidation bed and hot air circulation pipe, and spiral flow guide heat exchange pipe, inertial separation chamber and catalytic oxidation bed are connected in proper order through connecting flange, and hot air circulation pipe is linked with one side of catalytic oxidation bed, and the inner wall of spiral flow guide heat exchange pipe is equipped with spoiler, and the pipe of spiral flow guide heat exchange pipe is wound with cooling water pipe, the utility model discloses a spiral flow guide heat exchange pipe cooling water system and hot air circulation reuse mechanism are used, and high temperature waste gas heat energy is converted into cooling water heat energy and drying / combustion -supporting hot air, so as to improve comprehensive energy utilization rate, and the problem of energy waste caused by traditional process direct emptying is solved simultaneously.

This invention belongs to the interdisciplinary field of machine learning and data center thermal management, specifically disclosing a machine learning-based intelligent control method for data center cooling systems. This method configures each cooling unit as an intelligent agent with perception and decision-making capabilities, achieving distributed collaboration through a digital pheromone communication mechanism. It autonomously adjusts the opening of air and water valves based on pheromone concentration gradients and optimizes energy consumption and temperature deviation using a local reinforcement learning model. In the event of a fault, neighboring agents can automatically identify the anomaly and take over the cooling task. Through the above technical solution, this invention achieves sub-second real-time control, highly reliable self-healing operation, and a significant improvement in cooling energy efficiency.

This invention relates to the field of brine purification technology in the salt production industry, and discloses a silicon carbide flat-sheet membrane brine purification system and process for the salt production industry. The invention uses a modular silicon carbide flat-sheet membrane filtration unit as its core, combined with a minimalist pretreatment feeding unit. Through the modular collaborative design of an open-top membrane tank shell at atmospheric pressure, a detachable stackable membrane tower, a negative pressure water production component, an array-type aeration component, and a refined brine backwashing component, it achieves negative pressure suction filtration with the membrane tower completely submerged in the crude brine, directly treating crude brine containing calcium and magnesium precipitates without the need for pre-filtering and circulation equipment. The modular design of each component in this system allows for easy assembly and disassembly, high filtration accuracy, low energy consumption, strong anti-fouling properties, and stable production of calcium and magnesium precipitates. 2+ +Mg 2+ The refined brine with ≤1ppm and SS≤1ppm has significant advantages over traditional ceramic membrane systems in terms of equipment investment, operating costs, membrane life and industrial adaptability. It can be widely used in brine refining in the salt industry and brine refining in chlor-alkali systems.

The application discloses a fresh water circulating aquaculture whole-process water treatment system and method, and belongs to the technical field of circulating aquaculture water treatment. The system comprises a water inlet treatment subsystem, an aquaculture pond subsystem and a tail water treatment subsystem which are sequentially and circularly connected. The water inlet treatment subsystem comprises a water storage tank, a sand filter tank and a filtered water tank which are sequentially connected. The aquaculture pond subsystem comprises a plurality of aquaculture pond circulation combinations, and each aquaculture pond circulation combination comprises an aquaculture pond cluster, a first microfilter, a circulating pump pond, a biological aerated filter, a disinfection pond, a decarbonization device and an oxygenation and temperature adjustment pond which are sequentially and circularly connected. The tail water treatment subsystem comprises a second microfilter, a sulfur autotrophic denitrification pond and an SBR reaction pond cluster which are sequentially connected. The system integrates fresh water circulating water treatment, tail water treatment and source water treatment, can meet the requirements of medium and large fresh water circulating aquaculture plants on aquaculture water quality, can save land occupation and investment, and meets the requirements of green and sustainable development.

This invention discloses a process flow for water injection in a hydrogenation unit. It uses condensate from high-pressure (4.0–3.5 MPa) or medium-pressure steam (1.0–2.0 MPa) as the injection water, continuously injected before the amine salt crystallization temperature along with the reaction effluent or before the high-pressure gas heat exchanger, eliminating the need for a continuous water injection point before the air cooler. Compared with existing technologies, this method offers the following advantages: it minimizes the impact of water injection on the heat exchange of the high-pressure medium, maximizing heat recovery; it avoids the risk of intermittent water injection before conventional heat exchangers; it saves on water injection pipelines and valves before the high-pressure air cooler; and it incidentally recovers the heat from the high-temperature condensate, reducing overall plant energy consumption.

This invention discloses a separation process for cold hydrogenation synthesis gas. The synthesis gas exiting the cold hydrogenation reactor undergoes heat recovery and rapid cooling for dust removal. A portion of the condensed chlorosilanes is further cooled by a chlorosilane water cooler and used as the absorbent in the middle of the absorption tower. The circulating mixed gas is cooled by a circulating mixed gas water cooler and then enters the lower part of the absorption tower. Silicon tetrachloride feedstock is then used as the absorbent in the upper part of the absorption tower, while the middle absorbent is cooled chlorosilane. The circulating mixed gas entering from the lower part of the absorption tower achieves separation of the cold hydrogenation product chlorosilane through the middle absorbent chlorosilane and the upper absorbent silicon tetrachloride feedstock. Only circulating water coolant is needed; low-temperature coolants (7°C coolant, -40°C coolant, etc.) are not required for multi-stage condensation of the circulating mixed gas to achieve the separation of the cold hydrogenation product chlorosilane, thus eliminating the need for a dedicated low-temperature coolant system for the cold hydrogenation unit.

The utility model discloses a tail gas purification treatment device of biological oxidation gold extraction relates to tail gas purification treatment device technical field, the utility model discloses a main frame mechanism, the main frame mechanism includes the purification tower, the left side fixedly connected with the air inlet pipeline of purification tower outer surface, the top fixedly connected with the exhaust pipe of purification tower, the bottom fixedly connected with the deflector of purification tower inside, the utility model discloses a purification subassembly is set up, specifically is through setting up multilayer carbon filling layer, and carbon filling layer adopts the mixture of active carbon and modified molecular sieve, can increase the contact area and contact time of tail gas and absorption liquid and adsorbent, improve the removal efficiency to harmful gas, simultaneously, sodium hydroxide and hydrogen peroxide in absorption liquid can carry out chemical reaction and oxidation decomposition to different properties harmful gas, thereby realize the efficient purification to multiple harmful gas, effectively reduced the emission concentration of harmful substance in tail gas, and the environmental protection emission standard has been greatly improved.

This invention provides an energy storage device. The energy storage device includes: a cabinet having a first receiving cavity and a second receiving cavity; a battery pack structure disposed within the first receiving cavity, the battery pack structure including a shell having a liquid inlet end, a mounting cavity, and a liquid outlet end, the liquid inlet end communicating with the liquid outlet end through the mounting cavity, the mounting cavity being used to mount battery modules; and a coolant circulation system, at least partially disposed within the second receiving cavity, the liquid inlet end communicating with the liquid outlet end through the coolant circulation system, the coolant circulation system being used to realize the circulation flow of coolant; wherein, the cavity between the cavity wall of the first receiving cavity and the outer surface of the shell is a sealed cavity. This invention effectively solves the problem of low dehumidification reliability in existing battery cabinet dehumidification methods.

The invention discloses a heat supply secondary pipe network regulation and control method and system based on multi-dimensional data modeling, and belongs to the technical field of intelligent regulation and control of heat supply pipe networks. Preprocessing the multi-dimensional data to obtain preprocessed data; and a prediction model is constructed and trained based on the preprocessed data, and the predicted room temperature of the target room, the target valve opening degree and the corresponding regulation and control instruction are output. And adjusting the opening degree of the corresponding valve according to the regulation and control instruction, and feeding back the adjusted data to the model for optimization. According to the method, full data of the user side and the pipe network side are integrated, the prediction model is established, the opening degree of the valve is pre-judged in advance and precisely regulated and controlled, meanwhile, individual differences of different units and rooms are considered, and the heat supply uniformity and the energy utilization efficiency are improved.

The present application relates to a kind of permanent magnet electromagnetic hybrid's traction suspension guide three-in-one's magnetic suspension system, including track beam, vehicle-mounted permanent magnet array, track electromagnet coil, vehicle-mounted permanent magnet array is fixed to the bottom of vehicle suspension frame;Track electromagnet coil is correspondingly arranged on the upper surface of track beam, and is oppositely arranged with vehicle-mounted permanent magnet array.The system relies on the repulsion between the constant magnetic field generated by vehicle-mounted permanent magnet array and the controlled electromagnetic field generated by track electromagnet coil after energization, while realizing the non-contact suspension, guidance and traction of vehicle.The present application solves the problems of existing magnetic levitation system, such as complex structure, difficult control, high energy consumption and poor compatibility with existing infrastructure.

The utility model relates to the technical field of wastewater treatment, in particular to a low-carbon biological treatment system which comprises a pretreatment module, a decarbonization module and a biological denitrification module, the pretreatment module comprises an adjusting tank and a pretreatment section, the adjusting tank is used for homogenizing and homogenizing wastewater entering the adjusting tank, and the pretreatment section is used for removing toxic and harmful pollutants which cannot be biologically degraded; the decarburization module comprises an aeration tank and a sedimentation tank and is used for removing organic matters in the wastewater. An MABR reaction zone and an anaerobic ammonia oxidation reaction zone are integrated into an up-flow reactor, an MABR reaction layer and an anaerobic ammonia oxidation reaction layer are formed in the reactor, multifunctional pollutant removal can be achieved, meanwhile, a pipeline for sludge dredging and discharging is arranged, it is guaranteed that the two processes can complement each other, partition reaction can be achieved, and the effect that the two processes can be recycled is achieved. And the function is not influenced by integrated design.

This utility model relates to the field of air handling equipment technology, specifically an airflow regulating device for an air handling equipment. The device includes a purification box with an air inlet slot at the top. A suction fan is rotatably connected to the bottom of the inner wall of the air inlet slot. A connecting block is fixedly connected inside the air inlet slot and above the suction fan. Airflow regulating plates are symmetrically arranged on the outer side of the connecting block. A connecting rod is fixedly connected to the end of each airflow regulating plate away from the connecting block. The end of each connecting rod away from the airflow regulating plate extends to the outer side of the purification box and is fixedly connected to a gear. A gear ring is rotatably connected to the outer side of the purification box, and the gears mesh with the gear ring. Closing slots are provided on both sides of the airflow regulating plates. The beneficial effect of this utility model is that the motor drives one of the gears to rotate, causing the gear ring to link all the gears, enabling precise control of the rotation angle of the airflow regulating plates and achieving precise airflow regulation to meet the precise airflow requirements of different usage scenarios.

The present disclosure provides a gravity-assisted heat dissipation device, comprising an evaporator, a horizontal pipe, a vertical pipe and a condenser; the evaporator is arranged above and in contact with a component to be cooled, so as to vaporize working medium in the evaporator by using heat of the component to be cooled; an outlet of the evaporator is connected with a first connecting end of the horizontal pipe; a second connecting end of the horizontal pipe is connected with a first connecting end of the vertical pipe; the horizontal pipe is used for transmitting working medium; the distance between the first connecting end of the horizontal pipe and a horizontal plane is less than the distance between the second connecting end of the horizontal pipe and the horizontal plane; a second connecting end of the vertical pipe is connected with a bottom of the condenser; the vertical pipe is used for transmitting working medium; the distance between the second connecting end of the vertical pipe and the horizontal plane is greater than the distance between the first connecting end of the vertical pipe and the horizontal plane; and the condenser is used for liquefying working medium in a vaporized state.

This invention belongs to the technical field of tobacco processing equipment, and provides a modified nylon idler roller for a tobacco processing belt conveyor and its manufacturing process. The idler roller includes a roller shaft, a three-section roller, a positioning sleeve, and a sealing end cap. The three-section roller is integrally formed from modified nylon material, and has an axially extending sleeve groove inside, with friction texture on its outer circumference. The positioning sleeve is embedded in the sleeve groove, and its outer ring has a guide rail that cooperates with the sleeve groove. The three-section roller and the positioning sleeve are axially limited by a snap-fit ​​structure. A brass sleeve is fixed to the inner ring of the positioning sleeve, and the brass sleeve has a bearing housing cavity that rotatably cooperates with the reduced diameter shaft section. The outer wall of the brass sleeve slides in contact with the inner wall of the sleeve groove. The sealing end cap is fixedly connected to the end of the three-section roller and together with the roller shaft and the positioning sleeve, forms a closed chamber. This invention enables oil-free, low-resistance, and sealed rotation, and is suitable for the harsh working conditions of tobacco processing workshops.

The application relates to the technical field of modular cabin temperature control, and discloses an integrated thermal management system for a modular steel cabin and a control method thereof, the system comprising a main refrigerant circuit, a human cabin water circulation circuit, a plate heat exchanger coupling the two, a fluorine path electromagnetic valve arranged on a refrigerant pipeline leading to the plate heat exchanger, and an intelligent controller, the core of which is that the intelligent controller is configured to, when the system is in a refrigeration mode and it is judged that the human cabin temperature demand has been met while the equipment cabin has a heat dissipation demand, execute cooperative control: keeping the compressor in the main refrigerant circuit running while closing the fluorine path electromagnetic valve. Through the above-mentioned cooperative control logic, the refrigeration capacity is dynamically transferred from the human cabin which has met the demand to the equipment cabin, the compressor is prevented from frequently starting and stopping, the energy utilization efficiency and system operation stability are significantly improved on the basis of not increasing the hardware cost, and the system structure is simplified.

The application provides a continuous carbon dioxide capturing system, and belongs to the technical field of carbon dioxide capturing, which comprises at least one carbon dioxide capturing unit; the carbon dioxide capturing unit comprises a pressurizing device and two capturing tanks, and the two capturing tanks are used for high-pressure adsorption and normal-pressure or negative-pressure desorption of carbon dioxide; the two ends of the capturing tank are respectively provided with a first interface and a second interface, the first interfaces of the two capturing tanks are connected to a high-pressure output end of the pressurizing device through an adsorption air inlet pipe and are connected to a centralized gas conveying pipeline through a desorption gas outlet pipe, the second interfaces of the two capturing tanks are connected to a post-treatment pipeline through a waste discharge pipeline, and a low-pressure input end of the pressurizing device is connected to a pre-treatment pipeline; the adsorption air inlet pipe, the desorption gas outlet pipe and the waste discharge pipeline are provided with alternately opened and closed first linkage valve groups and second linkage valve groups. The continuous carbon dioxide capturing system can realize continuous and efficient capturing of carbon dioxide by a single system through the alternate adsorption and desorption of the two capturing tanks.

This application discloses an energy-saving explosion-proof electrical cabinet based on pressure compensation and a control method for the same cabinet, belonging to the technical field of electrical cabinets. The energy-saving explosion-proof electrical cabinet includes: a pressure sensor mounted on the cabinet body for real-time detection of the internal pressure and outputting a pressure detection signal; a controller for receiving the pressure detection signal and outputting a first control command when the pressure detection signal falls within a first preset range; a gas storage tank for pre-storing high-pressure gas and replenishing the cabinet body with gas according to the first control command; a controller for receiving the pressure detection signal and outputting a second control command when the pressure detection signal falls within a second preset range; and a main gas source for replenishing the cabinet body with gas according to the second control command at a first preset power. This technical solution allows for daily leakage to be compensated solely by the gas storage tank, eliminating the need for continuous operation of the main gas source and significantly reducing equipment operating energy consumption.

The application discloses a product separation method of phenylenediamine prepared by a phenol hydroxylation method, which comprises the following steps: (1) sending the phenol hydroxylation reaction liquid into a vacuum dehydration tower for dehydration; (2) sending the mixture in the tower kettle of the vacuum dehydration tower into a thin film scraped blade evaporator for coke removal; (3) sending the gas phase mixture collected from the top of the thin film scraped blade evaporator into a phenol removal tower, and separating phenol; (4) sending the mixture in the tower kettle of the phenol removal tower into an o-phenylenediamine rectification tower for product refining, and separating o-phenylenediamine; (5) washing, filtering and removing coke from the p-phenylenediamine crude product solution in the tower kettle of the o-phenylenediamine rectification tower; and (6) decolorizing and crystallizing the p-phenylenediamine solution after the coke removal, and obtaining p-phenylenediamine. By means of the above-mentioned synergistic effect, the phenol hydroxylation reaction liquid is efficiently and high-quality separated.