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2124 results about "Treatment unit" patented technology

An aerobic treatment unit (ATU) consists of several processes that function together to provide a high quality effluent. These are gross solids (trash) removal, aeration, clarification, and sludge return.

Aerobic aeration treatment system for plateau domestic sewage treatment

The invention relates to the technical field of sewage treatment, in particular to an aerobic aeration treatment system for plateau domestic sewage treatment, which comprises a pretreatment unit, a biological treatment unit, an advanced treatment unit and a recycling unit which are connected in sequence, the system further comprises a data acquisition module, an aerobic aeration intelligent regulation and control module, a biochemical environment constant-temperature maintenance module, a carbon-nitrogen proportion and backflow dynamic regulation and control module, a digital twinning and sludge characteristic simulation module and an energy collaborative scheduling module. Compared with the prior art which adopts a standard aeration strategy and cannot adapt to the special environment of low air pressure and low oxygen partial pressure of the plateau, the system can accurately adapt to the plateau environment by integrating real-time atmospheric pressure and water temperature monitoring, dynamically calculating the oxygen saturation solubility and correcting the aeration control target according to the oxygen saturation solubility, so that the aeration control target is optimized. Stable supply of dissolved oxygen required by biochemical reaction is ensured, and the technical bottleneck of low efficiency of traditional sewage treatment in plateau regions is fundamentally overcome.
Owner:HUNAN ZHONGTUO ENVIRONMENTAL ENG CO LTD

Indoor water tank sediment displacement characteristic acquisition system and method

The invention discloses an indoor water tank sediment pushing characteristic acquisition system and method, the system mainly comprises a water tank main body, a buffer unit, a drainage adjusting unit, a sediment throwing device, an imaging unit, an adjustable support and a data processing unit, and according to the method, non-contact data acquisition is carried out through a high-definition camera and a three-dimensional terrain measuring instrument; automatic identification, parameter extraction and migration speed calculation of landforms such as sand waves are achieved, the sediment bed surface is not touched in the whole process, damage to the bed surface form caused by traditional contact type measurement is eliminated, and the authenticity and reliability of data are ensured. Meanwhile, the buffer design of the combination of the flow slowing plate and the multi-stage water baffle is adopted, the kinetic energy of water flow is effectively dissipated through the graded water outlet structure, the impact force of injected water flow is greatly reduced, the bed surface is prevented from being scoured in the initial water injection stage, and the stability of the initial test condition is powerfully protected.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Liquid air energy storage and terrestrial heat coordinated underground space air regulation and control system and method

The invention relates to a liquid air energy storage and terrestrial heat coordinated underground space air regulation and control system and method. Comprising a first-stage compressor, a second-stage compressor, a third-stage compressor, an expansion refrigerator, a first-stage compression heat exchanger, a second-stage compression heat exchanger, a third-stage compression heat exchanger, a cold box, a separator, a liquid air storage tank, a cryogenic pump, an evaporator, a cold storage circulating pump, a cold storage box, a compression heat exchange circulating pump, a compression heat storage box, a first heater, a second heater and a third heater. The system comprises a first air expander, a second air expander, a third air expander and a generator. The regeneration heater is used for guiding the compression heat generated by the compressor into the regeneration heater for regeneration and / or guiding the geothermal energy output by the geothermal energy output end into the regeneration heater for regeneration; the rotary wheel dehumidification device is used for performing cryogenic drying on the wet air; the fresh air processing unit is composed of a fresh air filter, a regeneration fan, a regeneration filter and an air supply fan.
Owner:GUODIAN SCI & TECH RES INST

Self-adaptively adjustable magnetic separation-membrane filtration coupling sewage treatment system and method thereof

The invention discloses a self-adaptive adjustment magnetic separation-membrane filtration coupling sewage treatment system and a self-adaptive adjustment magnetic separation-membrane filtration coupling sewage treatment method. The system comprises a pretreatment unit, a magnetic separation core unit, a self-adaptive intermediate buffer unit, a membrane filtration unit and a sludge treatment unit which are communicated in sequence. The core of the system is that a plurality of on-line sensors are linked through a central control system, water quality parameters are monitored in real time, the adding amount of magnetic powder and a coagulant, the rotating speed of a stirrer, the membrane flux, the backwashing period and a cleaning program are adjusted in a self-adaptive mode, and intelligent cooperation and accurate regulation and control of magnetic separation and membrane filtration processes are achieved. According to the invention, the problems of easy membrane pollution, high magnetic powder consumption, high operation cost and dependence on manual operation in the traditional process are effectively solved, the service life of the membrane is obviously prolonged, the operation and maintenance cost is reduced, and the effluent quality is stable and meets the high-standard discharge or reuse requirement.
Owner:GUONENG LANGXINMING NANJING ENVIRONMENTAL PROTECTION TECH CO LTD

Method and system for recycling hydrogen in mixed gas by using pressure swing adsorption

The invention relates to the technical field of gas separation and purification, in particular to a method and system for recycling hydrogen in mixed gas through pressure swing adsorption. The method comprises the following steps: performing multi-layer adsorption impurity removal on mixed gas containing 20-25% of silane, 10-15% of disilane and 60-70% of hydrogen, and cooling to 22-28 DEG C; the mixed gas subjected to primary impurity removal enters a pressure swing adsorption device, and an adsorbent in the adsorption device is modified activated carbon. The system comprises a mixed gas cylinder, a pretreatment unit, a pressure swing adsorption unit and a hydrogen collection unit which are connected in sequence. By adopting the pressure swing adsorption method, the hydrogen recovery rate is remarkably increased and can reach 93%, the purity can reach 99.2% or above, and the strict requirement of high-end industrial production for high-purity hydrogen can be met.
Owner:PERIC SPECIAL GASES CO LTD

Inerting and releasing combined safety protection device for solid hydrogen storage tank

The utility model discloses an inerting and discharging combined safety protection device for a solid hydrogen storage tank, and belongs to the technical field of hydrogen storage and supply. The device comprises a solid hydrogen storage tank main body, a pressure and temperature sensing module, an inert gas injection system, a flameless relief device and a hydrogen treatment unit, the pressure and temperature sensing module monitors parameters in the tank in real time, when the parameters exceed a preset threshold value, the inert gas injection system injects inert gas from the lower portion of the tank body at constant pressure, the air pressure is stabilized through flow control, and meanwhile hydrogen is pumped out of an opening in the upper portion of the tank body to the processing unit; and a discharge port is formed in the side surface of the tank body and is linked with the flameless discharge device. According to the device, through the design of inerting inhibition and safe release, the potential safety hazard of overtemperature and overpressure in the solid hydrogen storage process is solved, the stability and safety of a hydrogen storage system are improved, and the device is convenient to operate and adapts to transformation of an existing solid hydrogen storage tank.
Owner:DALIAN UNIV OF TECH

Coastal saline-alkali land drainage and salt change intelligent regulation and control method and system based on artificial intelligence

The invention relates to the technical field of soil drainage and salt improvement, in particular to a coastal saline-alkali soil drainage and salt improvement intelligent regulation and control method and system based on artificial intelligence, and the method specifically comprises the following steps: dividing treatment units, arranging sensing equipment, and collecting multi-source heterogeneous data to form a data set; after data cleaning and time-space synchronization are conducted, standardized feature vectors are obtained through sectional physical perception standardization processing; constructing a graph neural network micro-area irrigation volume demand prediction model, and predicting recommended irrigation volume and soil salinity variation; calculating a loss function of the model and performing iterative training on the model; and performing periodic decision regulation and control circulation on the trained model, converting the output of the multi-source heterogeneous data collected at each decision moment through the model into an instruction, issuing the instruction, and synchronously performing drainage regulation and control. According to the invention, water-salt environment optimization regulation and control can be realized, and an intelligent treatment closed loop is formed.
Owner:WATER RESOURCES RES INST OF SHANDONG PROVINCE

High-voltage cable buffer layer ablation characteristic gas detection device

The utility model relates to a high-voltage cable buffer layer ablation characteristic gas detection device which comprises a gas acquisition unit, a gas detection unit, a data processing unit and an alarm unit, the gas collection unit comprises a circulating pump, a vacuum pump, a sampling gas cylinder, a pressure sensor and a plurality of valves, the gas detection unit comprises two detection modules, the gas inlet pipe is connected with a first electromagnetic valve, then is connected with the sampling gas cylinder and is connected with the circulating pump through a second electromagnetic valve, and the circulating pump is connected with the two detection modules through an electromagnetic three-way switching valve. An outlet of the sampling gas cylinder is connected with a third electromagnetic valve, then connected with an inlet of a vacuum pump, connected with a fourth electromagnetic valve and then connected with two detection modules at the same time; the first detection module is composed of a gas concentration sensor, a temperature sensor and a humidity sensor, and the second detection module is a gas sensor array. The device can perform field detection on gas generated in the ablation process of the buffer layer of the high-voltage cable, so that potential faults of the cable can be found and early warned in time.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +1

High-salt waste liquid electric flocculation hardness removal and electrodialysis resourceful treatment method and system

The invention relates to the technical field of electrochemical water treatment, and discloses a high-salt waste liquid electric flocculation hardness removal and electrodialysis resourceful treatment method and a high-salt waste liquid electric flocculation hardness removal and electrodialysis resourceful treatment system. The method comprises the following steps: collecting water quality parameters of the high-salt waste liquid and initial electrochemical impedance spectroscopy parameters of a polar plate; calculating the initial current density according to the hardness and the conductivity, carrying out electric flocculation treatment, monitoring impedance spectrum change in real time, identifying the scaling type, and predicting the residual operation time of the polar plate; the current density is optimized according to the prediction time, and the residual hardness is calculated; and adjusting electrodialysis parameters by taking the residual hardness as a feedforward signal for concentration, and performing bipolar membrane electrodialysis on the concentrated solution to obtain acid-alkali liquor. The problems that in the electrochemical treatment process of the high-salt waste liquid, the state of a polar plate cannot be monitored in real time, consequently, operation parameters are adjusted blindly, and energy consumption is high and the recycling efficiency is low due to the fact that parameters of a pretreatment unit and parameters of a pretreatment unit are not linked are solved.
Owner:TIANJIN BINHAI RES INST FOR ENVIRONMENTAL INNOVATION

SF6 micro-water density monitoring sensor for GIS (Gas Insulated Switchgear) gas chamber

The utility model provides a gas insulated switchgear (GIS) gas chamber sulfur hexafluoride (SF6) micro-water density monitoring sensor, and relates to the technical field of high-voltage electrical equipment state monitoring and sensors. The sensor comprises a sensor main body, an immersion type probe, a micro heating module and a communication module, the sensor body is a sealed shell, and a data processing unit and a power interface are arranged in the sensor body. The immersion type probe penetrates through the bottom of the main body and is fixedly connected with and exposes the pressure, humidity and temperature sensor. The micro-heating module is fixed on the surface of the probe and electrically connected with the humidity sensor. And the data processing unit is integrated with a temperature compensation module and is in signal connection with the pressure and temperature sensor. And the communication module is arranged at the top of the main body, comprises an RS485 interface and is connected with the data processing unit to realize data transmission. The sensor is used for monitoring the micro-water density of SF6 gas in a GIS gas chamber, and solves the technical problem of how to realize high-precision and anti-interference real-time online monitoring of the micro-water density on the premise of not discharging the SF6 gas.
Owner:XIAN YUANSHUN INSTR TECH CO LTD

Water electrolysis hydrogen production auxiliary device

The invention discloses an auxiliary device for hydrogen production by water electrolysis, which relates to the technical field of hydrogen production by water electrolysis and is characterized by comprising a base frame, a water inlet pretreatment unit, an electrolysis unit, a gas-liquid separation and gas monitoring module and an intelligent operation regulation and control unit. The inlet water pretreatment unit is used for deeply purifying a water source through a multi-stage filtering device to produce deionized water meeting the electrolysis requirement; the electrolysis unit electrolyzes the purified water into a gas-liquid mixture of hydrogen, oxygen and water vapor; the gas-liquid separation and gas monitoring module adopts a vertical separation structure and a secondary separation system, and is combined with a hydrogen side oxygen sensor and an oxygen side hydrogen sensor to realize efficient gas-liquid separation and real-time gas purity monitoring; the intelligent operation regulation and control unit dynamically regulates electrolysis parameters and gas pipeline states based on monitoring data, and automatic closed-loop control is achieved. The device has the advantages of thorough water purification, high gas purity, safe and reliable operation, intelligent control and the like.
Owner:ORDOS INST OF APPLIED TECH

Oily sewage treatment system based on intelligent regulation and control and operation method

The invention belongs to the technical field of emergency water treatment, and particularly relates to an oily sewage treatment system based on intelligent regulation and control and an operation method. The system comprises an intelligent regulation and control server, a preprocessing unit, a separation unit, an online detection unit and a regulation and control unit, the intelligent regulation and control server is internally provided with a pretreatment module, a separation module, an online detection module, a data analysis module and a real-time regulation and control module, and the separation module provides a T-shaped pipe and air floatation pipe technology and is used for separating floating oil and emulsified oil. The intelligent regulation and control server is connected with all the units, before operation, calculation formulas of floating oil separation efficiency and emulsified oil separation efficiency are input into the intelligent regulation and control server in advance, and initial values of all parameters are set; during operation, data are transmitted in real time so as to calculate the floating oil separation efficiency and the emulsified oil separation efficiency, the data are stored, and parameters are adjusted in real time according to the optimal separation efficiency. According to different working conditions, automatic adjustment can be achieved, intelligent regulation and control are achieved, and the application range is wider.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Spray gun path planning system of automatic spraying equipment

The invention relates to the technical field of automatic spraying, and discloses a spray gun path planning system for automatic spraying equipment. An acquisition unit of the system acquires three-dimensional point cloud data of the surface of a workpiece to be sprayed, operation state data of spraying equipment and environment monitoring data, and performs space-time alignment to form a spraying operation multi-dimensional data set; the processing unit performs sparse reconstruction on the multi-dimensional data set to obtain target surface feature data and abnormal spraying indication data; the planning unit combines target surface feature data and preset parameters of a spraying process parameter library to generate a multi-target optimized spray gun path planning scheme containing a spray gun moving track, a spraying speed and a paint output amount control sequence; and the adjusting unit determines abnormal conditions in real-time updating according to the abnormal spraying indication data, and dynamically adjusts the original planning scheme to generate a new scheme. The system can improve the spraying quality and efficiency, reduce coating waste and meet the requirements of complex spraying scenes.
Owner:CHINA MACHINE KAIBO SURFACE TECHNOLOGY (JIANGSU) CO LTD

Apparatus and method for aerosol delivery comprising a biodegradable outer body

An apparatus and method for aerosol delivery, wherein the apparatus includes a biodegradable outer body, a power source, an aerosolizable material reservoir, a control circuit comprising an aerosol generation mechanism, a channel on top of the aerosolizable material reservoir, an absorption pad encasing the channel, and a support feature on either side of the channel on top of the reservoir. The method includes using a processing unit of the apparatus to configure the control circuit after determining a device usability.
Owner:SKYX IP HOLDINGS I LLC

Waste gas treatment system and method based on wet desulphurization

The invention relates to the technical field of industrial waste gas treatment, in particular to a waste gas treatment system and method based on wet desulphurization. The system comprises a waste gas pretreatment unit, a composite absorption reaction unit, a gas-liquid separation unit, an absorption liquid circulation system, an intelligent control system and a waste liquid treatment unit, wherein each unit is communicated with a shielding signal line through a corrosion-resistant pipeline to form a closed-loop operation system; industrial waste gas is subjected to pre-dedusting and cooling through the waste gas pretreatment unit and then enters the composite absorption reaction unit to be in countercurrent contact with a composite absorbent to achieve sulfur dioxide removal, a gas-liquid mixture obtained after reaction is separated through the gas-liquid separation unit, purified gas is directly discharged, and absorption liquid enters the absorption liquid circulation system to be recycled. And the saturated absorption liquid with the density of 1.15-1.25 g / cm < 3 > is conveyed to a waste liquid treatment unit for treatment. According to the invention, sulfur dioxide in waste gas can be efficiently removed through synergistic absorption and intelligent control, the operation cost is reduced, and equipment corrosion is reduced.
Owner:BEIJING XINLIN ENVIRONMENTAL TECH CO LTD

Sludge low-temperature oxidation treatment system and method thereof

The invention discloses a sludge low-temperature oxidation treatment system and method. The system comprises a pretreatment unit, a feed lifting mechanism, a low-temperature oxidation furnace, a flue gas purification unit and an automatic control unit. The low-temperature oxidation furnace is divided into a feeding area, a low-temperature oxidation area and an air distribution and slag discharge area from top to bottom, an air distribution plate is provided with air outlets which are uniformly arrayed, the temperature of the low-temperature oxidation area is controlled to be 420-480 DEG C, and generation of dioxin is inhibited from the source. The pretreatment unit is used for mixing sludge, biomass and quartz sand to form a loose breathable material to prevent the sludge from hardening; the method comprises the steps of material mixing, continuous feeding oxidation, temperature closed-loop regulation and control, flue gas purification and ash treatment, high-water-content municipal sludge can be stably treated, the energy consumption is low, the dioxin generation amount is low, flue gas emission reaches the standard, ash can be recycled, and the method is suitable for large-scale municipal sludge harmless treatment.
Owner:XIANGSHAN DMAN MASCH CO LTD

Device for preparing molten carbon fertilizer through solid waste microwave pyrolysis and waste heat recovery

The invention discloses a device for preparing a molten carbon fertilizer through solid waste microwave pyrolysis and waste heat recovery, and belongs to the field of solid waste treatment and recycling. The device is composed of a pretreatment unit, a microwave pyrolysis unit, a gas-solid separation unit, a gas phase treatment unit, a solid phase treatment unit and a waste heat circulation unit, solid waste enters a microwave rotary kiln after being dried and crushed, a magnetron generates microwave anaerobic pyrolysis under photovoltaic power supply, and a high-temperature gas-solid product is generated; the cyclone separator is used for separating flue gas from solid carbon, the flue gas is condensed to obtain pyrolytic oil and gas, and waste heat of medium-temperature flue gas is recovered through the heat accumulating type heat exchanger for drying; cooling the solid carbon through a heat pipe heat exchanger, recovering waste heat and liquefying urea, and mixing the solid carbon and the urea in a stirring melting pool to prepare a molten carbon fertilizer; and the waste heat backflow fan sends the carbon waste heat back to the drying chamber. The system is driven by green electricity, gas and solid phase waste heat is recovered through double paths, solid waste efficient pyrolysis-product high value-energy self-circulation is achieved, and energy consumption and carbon emission are reduced.
Owner:GUANGDONG OCEAN UNIVERSITY

Efficient sewage treatment system for high-calcium wastewater

The utility model provides an efficient sewage treatment system for high-calcium wastewater, which comprises a biological decalcification unit and a biochemical treatment unit, the bottom of a first anaerobic tank of the biological decalcification unit is communicated with the top of a first anoxic tank, the bottom of the first anoxic tank is communicated with a first aerobic tank, and the first aerobic tank is communicated with a first sedimentation tank; the bottom of a second anaerobic tank in the biochemical treatment unit is communicated with the top of a second anoxic tank, and the bottom of the second anoxic tank is communicated with a second aerobic tank; the first sedimentation tank is communicated with the upper part of the second anaerobic tank. The sewage treatment system is based on two-stage A2O, most of calcium ions in water are removed through first-stage A2O, decalcification treatment is carried out, a basis is provided for COD removal, denitrification and other biochemistry through second-stage A2O, the biological treatment effect of high-calcium wastewater is improved, meanwhile, sludge is screened and concentrated through the cyclone device, residual sludge is subjected to resourceful treatment, and the treatment effect of the high-calcium wastewater is improved. And the effects of reducing the cost, improving the efficiency and recycling resources are achieved.
Owner:GUANGZHOU EBO ENVIRONMENTAL PROTECTION TECHCO

Hydrogen production system and method by cold plasma micro-bubbles cooperating with biomass supercritical water gasification

The application discloses a cold plasma microbubble and biomass supercritical water gasification hydrogen production system and method, and belongs to the field of biomass hydrogen production. The system comprises a raw material processing unit, a cold plasma pre-activation unit, a high-pressure subcritical pretreatment unit, a supercritical gasification reaction unit, a gas-liquid separation unit, a hydrogen gas purification unit, a waste heat recovery unit and a circulating water treatment unit. After being pulped, the raw material is modified by the cold plasma pre-activation unit to improve the activity, and then enters the supercritical reactor with a built-in catalytic bed through the high-pressure subcritical pretreatment unit containing plasma microbubble generated active species to complete the gasification. After the product gas-liquid separation, the hydrogen-containing gas is purified to obtain high-purity hydrogen gas, the liquid phase water is purified and reused, the waste heat is recovered to supply system energy consumption, and the circulating water is treated to discharge crystalline salt to prevent salt analysis. The application realizes the deep cooperation of cold plasma and supercritical water gasification, improves the gasification efficiency and hydrogen production selectivity, reduces the energy consumption, tar and carbon deposition, guarantees the stable operation of the system, reduces the comprehensive cost, and is suitable for the industrialization of biomass hydrogen production.
Owner:NORTHEAST DIANLI UNIVERSITY

Evaluation system for salt freezing resistance durability of composite green concrete in soil environment of frozen soil region

The invention relates to the technical field of concrete durability evaluation, in particular to a compound green concrete salt freezing resistance durability evaluation system under a frozen soil environment, which comprises a data input unit, a decision information table storage unit, a rough set analysis processing unit and an evaluation output unit, the data input unit receives a sample data set containing freeze-thaw cycle times, dry-wet cycle times, freeze-thaw-dry-wet cycle times, long-term soaking time, composite salt concentration, gas content and fly ash mixing amount, and the decision information table storage unit stores a decision information table constructed based on a rough set theory. The influence factor combination and the relative dynamic elastic modulus percentage are associated, the rough set analysis processing unit establishes a mapping relation through attribute reduction and rule extraction and quantifies the weight of each factor, and the evaluation output unit outputs a relative dynamic elastic modulus predicted value, durability grade classification and key factor contribution sorting. And the salt freezing resistance durability of the concrete under the multi-factor coupling effect is accurately evaluated.
Owner:JILIN ELECTRIC POWER SURVEY & DESIGN INST

Deep water treatment device with suspended filler

The utility model relates to a deep water treatment device provided with suspended filler, which comprises a biochemical treatment system, a pretreatment tank positioned in the front of the biochemical treatment system, a secondary sedimentation tank positioned in the rear of the biochemical treatment system and a clean water tank positioned in the rear of the secondary sedimentation tank, and a biochemical treatment unit for forming the biochemical treatment system is provided with an aerobic tank and an anoxic tank. The anoxic tank is located in front of the aerobic tank in the same biochemical treatment unit, effluent of the anoxic tank is connected into the aerobic tank of the same biochemical treatment unit, suspended filler is arranged in the aerobic tank, and the anoxic tank is filled with or not filled with suspended filler; the suspended filler in the aerobic tank and the suspended filler in the anoxic tank are respectively and uniformly distributed in a part of or all water body space in the aerobic tank or the anoxic tank, the suspended filler is composed of a plurality of filler monomers, the filler monomers are connected to a three-dimensional filler frame, and motor assemblies with adjustable intervals are arranged in the pretreatment tank. The sewage deep treatment device is suitable for deep treatment of sewage, and has higher treatment efficiency and better treatment effect.
Owner:BEIJING HEHAIQINGYUAN ENVIRONMENTAL PROTECTION SCI & TECH CO LTD

Motor base casting forming device and method thereof

The invention discloses a motor base casting forming device and method, belongs to the technical field of motor manufacturing, and is suitable for production of motor bases for new energy automobiles. The device comprises an evanescent mode casting forming unit and a casting post-processing unit, the post-processing unit integrates a sand recycling conveying belt, a bearing buffering mechanism, a pre-cooling system, a driving assembly, a guiding-out piece and a transferring sand removing mechanism, the core is bearing pieces which are arranged in a staggered mode and provided with elastic buffering and built-in water ways, and the working states are switched in cooperation with air cylinder driving. The method is automatically achieved through the whole process of casting forming preparation, buffering receiving, sand-iron separation, precooling discharging, guiding-out and transferring and online sand removal. Through double protection of elastic buffering and water-cooling pre-cooling, impact damage and uneven cooling of castings are avoided, sand and iron are separated synchronously, the recovery rate is high, the automation degree is high, the forming precision and production efficiency of the motor base are effectively improved, and the requirements for batch production and high precision of automobile manufacturing are met.
Owner:ANHUI JINGYONGLIAN MECHANICAL & ELECTRICAL CO LTD

White spirit production wastewater treatment process and system

The invention relates to the technical field of fermentation industrial wastewater treatment, and particularly discloses a white spirit production wastewater treatment process and system. The system comprises a pretreatment unit, an anaerobic treatment unit, a denitrification unit, a multi-stage biochemical treatment unit, an advanced treatment unit, a sludge treatment unit and a backwashing water recovery unit which are connected through a corrosion-resistant pipeline, a variable frequency pump body and a control valve group. The method comprises the following steps: homogenizing water quality and water quantity through an adjusting tank, adjusting the pH value through a neutralizing tank, pretreating through a microfilter and an air flotation device, sequentially feeding into a hydrolysis acidification tank and a two-stage UASB reactor to degrade organic matters, reducing nitrogen concentration through a denitrification unit, deeply degrading pollutants through a multi-stage biochemical system, and finally realizing up-to-standard discharge through magnetic coagulation phosphorus removal and decoloration treatment. The sludge is subjected to resource utilization after being concentrated and dehydrated, and backwashing water and filtrate are recycled and retreated. The system is high in treatment efficiency, low in operation cost, high in resource recovery rate, stable in effluent and suitable for wastewater treatment of various white spirit production enterprises.
Owner:GUIZHOU CRRC GREEN ENVIRONMENT CO LTD

Chromium-containing wastewater treatment system

The utility model discloses a chromium-containing wastewater treatment system which comprises a concentrated chromium waste liquid treatment unit, a dilute chromium wastewater treatment unit and a recovery treatment unit, a concentrated chromium waste liquid outlet of the unit line is communicated with an inlet of the concentrated chromium waste liquid treatment unit, and a liquid outlet of the concentrated chromium waste liquid treatment unit is communicated with a liquid return port of the unit line; a dilute chromium wastewater outlet of the unit line is communicated with an inlet of the dilute chromium wastewater treatment unit, a concentrated water outlet of the dilute chromium wastewater treatment unit is communicated with an inlet of the concentrated chromium waste liquid treatment unit, and a produced water outlet of the dilute chromium wastewater treatment unit is communicated with an inlet of the recovery treatment unit; a concentrated water outlet of the recovery treatment unit is communicated with an inlet of the concentrated chromium waste liquid treatment unit, and a produced water outlet of the recovery treatment unit is communicated with an industrial water pipeline. The device has the beneficial effects that the concentrated chromium waste liquid treatment unit, the dilute chromium waste water treatment unit and the recovery treatment unit are designed, concentrated chromium waste liquid and dilute chromium waste water are treated in a quality-divided manner, and the treatment manner can reduce the addition of chemicals, improve the utilization rate of the chemicals, reduce the treatment cost, and is green and economical.
Owner:WISDRI ENG & RES INC LTD

Fusion reactor tungsten-based dust electron beam melting tritium removal and solidification recovery system

The invention provides a fusion reactor tungsten-based dust electron beam melting tritium removal and solidification recovery system, and particularly discloses a metal dust recovery system which comprises a fusion reactor main machine vacuum chamber and a dust collecting and feeding unit, the dust collecting and feeding unit is connected with the fusion reactor main machine vacuum chamber, and the fusion reactor main machine vacuum chamber is connected with the fusion reactor main machine vacuum chamber. The dust collecting and feeding unit is connected with the fusion reactor main machine vacuum chamber and used for collecting dust generated by the fusion reactor main machine vacuum chamber, the high-temperature deuterium removal smelting treatment unit is connected with the dust collecting and feeding unit and used for treating the dust collected by the dust collecting and feeding unit, and the solid ingot block transferring and storing unit is connected with the high-temperature deuterium removal smelting treatment unit. And the solid ingot transferring and storing unit is connected with the high-temperature deuterium removal smelting treatment unit and used for transferring and / or storing the dust treated by the high-temperature deuterium removal smelting treatment unit, and the metal dust recycling system is efficient and safe.
Owner:聚变新能(安徽)有限公司

Raw material pretreatment automatic feeding device for oatmeal production

The invention relates to the technical field of oatmeal production feeding, in particular to an automatic feeding device for raw material pretreatment for oatmeal production, which comprises automatic feeding equipment consisting of a machine shell, a feeding bin, a driving assembly, a conveying unit and a hopper, and the hopper comprises a hollow material shell and a side panel fixed on the side wall of the material shell; a processing unit is arranged at the bottom of the material shell and comprises a gravity assembly arranged at the bottom of the material shell, a material pushing assembly and a swing assembly, wherein the material pushing assembly and the swing assembly are arranged on the material shell. The gravity assembly is connected with the pushing assembly and the swing assembly. According to the raw material pretreatment automatic feeding device for oatmeal production, during feeding and discharging, the relative position of gravity is changed by means of periodic changes of the spatial position and posture of the hopper when the conveying unit moves circularly, knocking vibration is triggered in cooperation with the gravity of the hopper, and raw materials possibly attached to the side wall of the material shell are effectively loosened through vibration; and hardening or material arch forming in the conveying process is prevented.
Owner:GUANGDONG DANDUN FOODSTUFF CO LTD

Indoor intelligent formaldehyde detection and purification device and use method thereof

The invention discloses an indoor intelligent formaldehyde detection and purification device and a use method thereof. The device comprises a movable shell, a self-adaptive intelligent control system, a pretreatment unit, an efficient adsorption unit and a core catalysis unit. The pre-treatment unit is used for filtering and dehumidifying, the efficient adsorption unit is used for adsorbing formaldehyde and desorbing to realize regeneration of a composite adsorbent layer, and the core catalysis unit is used for catalytically decomposing formaldehyde and desorbed formaldehyde; and the self-adaptive intelligent control system is used for acquiring outdoor air data, dynamically tracking formaldehyde pollution and regulating and controlling purification. Through three stages of units, in combination with a multi-stage cooperative processing and intelligent feedback control technology, formaldehyde is efficiently and directionally removed by virtue of a three-stage linkage mechanism of pre-adsorption enrichment, gradient desorption regeneration and catalytic deep decomposition, the selectivity is good, safety is realized, no extra volatile organic compound is released, and the catalytic efficiency is high; adsorbent regeneration improves stability and reduces cost.
Owner:DALIAN MARITIME UNIVERSITY

Mining positive-pressure anti-explosion cooperative mechanical arm and gas control system and method thereof

The invention relates to the technical field of mining robot mechanical arms, in particular to a mining positive-pressure anti-explosion cooperative mechanical arm and a gas control system and method thereof. The mining positive-pressure anti-explosion cooperative mechanical arm gas control system comprises a gas source processing unit and a gas storage unit, gas is directly taken from a mine laneway environment through a gas pump, the concentration of methane in the gas is detected in real time through a methane gas sensor in a buffer cavity, and a circulating purification and waste discharge path is formed through an electromagnetic valve set; and it is ensured that only qualified gas is stored in the gas storage cavity. The whole machine adopts the vertical layout of the air cavity, the equipment cavity and the mechanical arm body, and the structure is compact; the control method comprises the steps of gas purification, purging, positive pressure maintaining and the like, and through multi-stage pressure sensing and closed-loop control, the stable positive pressure, 50 Pa higher than the ambient atmospheric pressure, in the equipment cavity is dynamically maintained. According to the invention, gas source self-supply in an underground explosive environment of a coal mine is realized, and the device has the advantages of high load self-weight ratio, small transformation degree and reliable operation.
Owner:TIANDI CHANGZHOU AUTOMATION +1

Intelligent material processing system and method

The invention relates to the technical field of automatic material treatment, in particular to an intelligent material treatment system and method.The intelligent material treatment system comprises a multi-floor treatment unit, a drying unit, a gas-solid separation unit, a conveying unit, a material mixing unit and an intelligent control unit; the multi-floor treatment unit is divided according to the functions of third-floor pretreatment, second-floor sanding and first-floor temporary storage and is seamlessly connected through a pipeline; the intelligent control unit adopts an MCGSPRO industrial control module and is provided with functional modules such as a layered operation interface and a parameter monitoring interface, so that full-process management and control are realized; the gas-solid separation unit adopts a cyclone separator and a dust remover for secondary purification, and the conveying unit comprises a quantitative hopper, so that the material recovery and quantification precision is guaranteed. The method comprises the five steps of pretreatment on the third floor, sanding treatment on the second floor, temporary storage and conveying on the first floor, drying and gas-solid separation and quantitative mixing. According to the scheme, the problems that a traditional system is poor in multi-floor cooperation, insufficient in sanding flexibility, low in intelligence and the like are solved, and the material recovery rate and the product consistency are remarkably improved.
Owner:WUXI HAIBO POWDER EQUIP CO LTD

Gate groove sill foreign matter cleaning method and system based on intelligent sensing

The invention discloses a gate groove sill foreign matter cleaning method and system based on intelligent sensing. The method comprises the following steps that the cleaning system is fixed to a gate through a self-adaptive hook beam; the multi-source sensing module collects underwater foreign matter and environment data and constructs a sill three-dimensional environment map; the decision processing unit analyzes and processes the preprocessed data to generate a high-quality foreign matter feature map, and fuses the high-quality foreign matter feature map with a three-dimensional environment map constructed in the earlier stage to generate a sill foreign matter distribution map; the decision processing unit identifies the foreign matter type and marks the cleaning priority, and meanwhile, the decision processing unit plans an optimal cleaning path; according to the dirt type, the decision processing unit sends a cleaning device conversion instruction to the dirt cleaning device, and the dirt cleaning device executes cleaning operation according to the instruction; a high-precision torque sensor arranged in each joint of the mechanical arm collects joint force application data in real time and transmits the joint force application data to the decision processing unit; the collecting device synchronously recovers chippings generated in the cleaning process, and the communication module achieves two-way data transmission. And after the cleaning operation is completed, the multi-source sensing module scans the sill again, and the cleanliness is verified through secondary scanning. According to the cleaning method and system, efficient and automatic cleaning of the gate groove sill of the hydropower station gate can be achieved.
Owner:CHINA YANGTZE POWER