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405results about How to "Improve flow" patented technology

Pantograph active control method and device

The invention provides an active control method and device for a pantograph, and relates to the technical field of locomotive pantographs, and the method comprises the steps: obtaining the real-time operation parameters of a train through a train network interface; matching a corresponding pantograph control curve based on the real-time operation parameters and the configuration information; according to the current speed of the train and the matched pantograph control curve, the target pressure of an air bag is determined; receiving the actual pressure in the air bag continuously monitored by the air pressure sensor; and comparing the actual pressure with the target pressure to control the airbag pressure. According to the pantograph active control method and device provided by the invention, the pantograph net contact force detection and the pantograph controller are fused to realize the closed-loop active control function of the high-speed pantograph, the pantograph net active controller is optimized, the pantograph net current collection performance of the high-speed motor train unit is improved, and the pantograph net contact force detection and the pantograph controller are integrated to realize the closed-loop active control function of the high-speed pantograph. And a good effect is achieved through experimental research on an actual line, and related design and performance requirements can be met.
Owner:CHINA ACADEMY OF RAILWAY SCI CORP LTD +2

MABR (Membrane Aerated Baffled Reactor) sewage treatment device

The invention relates to the technical field of sewage treatment, and discloses an MABR (Membrane Aerated Baffled Reactor) sewage treatment device which comprises an upper bracket and a lower bracket, the upper bracket and the lower bracket are fixedly connected through a connecting frame, a membrane wire group is mounted between the upper bracket and the lower bracket, the interior of the lower bracket is hollow, and the interior of the lower bracket is communicated with the membrane wire group; the top of the lower support fixedly communicates with a Y-shaped air inlet pipe, and a stirring assembly is arranged on the back face of the lower support. The stirring assembly comprises a gas collecting frame fixed to the back face of the lower support through a support. According to the sewage treatment device for the MABR membrane bioreactor, the driving assembly mounted on the drainage pipe can be used for rotating and driving the plurality of aeration pipes, so that sewage can be stirred in a large range, the contact area of water and a biological membrane on the outer side of the membrane wire group is increased, and meanwhile, an auxiliary oxygen supply effect is also achieved, so that the reaction efficiency is enhanced; and the washing assembly can be matched to wash and clean the membrane filament group, so that the practicability of the equipment is improved.
Owner:HEBEI YUCHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Engineering bacterium of high-yield ornamental blue as well as construction method and application of engineering bacterium

The invention relates to an engineering bacterium of high-yield ornamental blue as well as a construction method and application of the engineering bacterium, and belongs to the technical field of natural dye synthesis by a biological method. The engineering bacterium capable of highly producing the ornamental blue, disclosed by the invention, expresses icd, bpsA, glnAY405F and gd hA; acnR, yggB, glsK, aceA and ldh are knocked out from the engineering bacteria. According to the application, yggB and aceA genes are knocked out, site-directed mutagenesis (Y405F) is carried out on a glnA gene, a glsK gene is replaced by a glnAY405F gene, an acnR gene is replaced by an icd gene, an ldh gene is replaced by a gdhA gene, and a bpsA gene is integrated, so that the formation of by-products such as lactate and succinic acid in a blue-viewing synthesis process can be blocked; the flow direction of a passage from citric acid to isocitric acid to alpha-ketoglutaric acid to glutamic acid to glutamine is improved, so that the concentration of glutamine in cells is improved, and the yield of the ornamental blue is improved.
Owner:VERTEXYN (NANJING) BIOWORKS CO LTD

Beam frame type automatic punching machine applied to photovoltaic frame machining

The invention relates to the technical field of mechanical part punching, in particular to a beam frame type automatic punching machine applied to photovoltaic frame machining, which comprises a public bottom plate, and a punching machine feeding mechanism, a punching mechanism, a waste recycling mechanism, a punching machine discharging mechanism and a discharging interval conveying mechanism are arranged on the public bottom plate; a feeding gripper in the punching machine feeding mechanism turns over a product by 90 degrees and conveys the product into the punching mechanism, and a discharging gripper in the punching machine discharging mechanism drives the product to rapidly avoid a punching machine base in a C-shaped track and then move into the discharging interval conveying mechanism. The overall structural design is ingenious, the punching machine is assembled in an up-and-down and left-and-right stacking mechanism mode, the equipment layout occupied size is small, transportation is convenient, the flow direction of photovoltaic frame products is improved, the defects that a traditional punching machine cannot automatically load and unload materials, and the production rhythm is slow are overcome, and the production efficiency is improved. And the stamping and transferring efficiency of the photovoltaic frame is improved.
Owner:SHANGHAI YINKAI PRECISION MASCH MFG CO LTD

Air conditioner temperature and humidity independent control system and method based on two-stage coil pipe chilled water

The invention relates to an air conditioner temperature and humidity independent control system and method based on two-stage coil chilled water. On the basis of the existing chip plant temperature and humidity independent control based on a fresh air processing unit, a return air drying and cooling coil and a fan filtering unit, low-temperature chilled water outlet of a water chilling unit firstly passes through a fresh air re-cooling coil; return water obtained after the temperature of the fresh air re-cooling coil pipe rises serves as water supply of the fresh air pre-cooling coil pipe and the return air cooling dry coil pipe, so that two-stage coil pipe chilled water is formed, and the return water of the fresh air pre-cooling coil pipe and the return water of the return air cooling dry coil pipe are mixed and then serve as chilled water return water of the water chilling unit. By increasing the return water temperature of the water chilling unit, the average evaporation temperature of an evaporator of the water chilling unit is increased. A bypass is arranged between an inlet and an outlet of the return air cooling dry coil, and the air temperature in the plant is controlled by adjusting the bypass flow through an electric two-way adjusting valve and a PID controller. Compared with the prior art, the invention has the advantages of high unit energy efficiency ratio, low refrigeration energy consumption, simplified system and the like.
Owner:TONGJI UNIV

Dynamic balance detection system of fan impeller

The invention relates to the technical field of impeller detection, discloses a dynamic balance detection system of a fan impeller, and solves the problem of inconvenience in actual operation caused by repeated start and stop of a test host and surface treatment of the impeller in dynamic balance detection of a conventional impeller. The unbalance amount of the impeller and the corresponding direction of the impeller are detected through the analysis system, measured data are sent to the control system, the control system controls the liquid separation unit to rotate to the corresponding angle, the balance weight liquid with the weight corresponding to the unbalance amount is discharged, then the balance weight liquid flows into the corresponding balance weight cavity through the flow guide cavity under the action of centrifugal force, and the balance weight liquid is discharged. By simulating counterweight compensation on a plurality of point positions on the surface during rotation of the impeller, required compensation weights of the plurality of point positions are obtained, then impeller surface treatment is performed in a concentrated manner, the time for repeatedly starting and stopping a test host and the step of treating the surface of the impeller for multiple times are saved, and the time for repairing the impeller is greatly saved.
Owner:SUZHOU DEYUE AERATION ELECTROMECHANICAL EQUIP CO LTD

Accurate proportioning fermentation device for tricholoma matsutake beverage production and beverage production process thereof

The present invention provides a precise proportioning fermentation device for tricholoma matsutake beverage production, and relates to the technical field of beverage proportioning fermentation, the precise proportioning fermentation device comprises a mixed fermentation mechanism, the mixed fermentation mechanism can be used for preparing a beverage and storing the prepared beverage, the mixed fermentation mechanism is arranged at the top of the mixed fermentation mechanism, and the conveying mechanism is arranged at the bottom of the mixed fermentation mechanism. Raw materials are injected into the mixed fermentation mechanism from the conveying mechanism, the proportioning mechanism is arranged above the conveying mechanism, and the proportioning mechanism extends into the conveying mechanism and is matched with the conveying mechanism to control the injection amount of the raw materials. During use, the internal volume of the metering cylinder is changed through the volume piston in advance, then raw materials are fully injected into the metering cylinder through the feeding pipe, then the bottom of the metering cylinder is driven to exceed the bottom of the proportioning pipe for discharging, and the feeding pipe is sealed through the outer surface of the metering cylinder to avoid leakage; meanwhile, the flow speed of the raw materials in the metering cylinder is increased through extrusion of the volume piston, and the effect of improving the fermentation matching accuracy is achieved.
Owner:青岛本草经生物科技有限公司

Drying mechanism of air compression pump

The invention belongs to the technical field of automobile air suspension systems, and particularly relates to a drying mechanism of an air compression pump with a good dehumidification effect. A first molecular sieve is arranged in the first mounting space of the shell, and a second molecular sieve is arranged in the second mounting space of the shell; an air channel for communicating the first mounting space with the second mounting space is arranged in the shell; the shell is provided with a first air nozzle communicated with the air channel, and a throttling valve is installed at the first air nozzle. The shell is provided with a second air nozzle communicated with the first mounting space and a third air nozzle communicated with the second mounting space; the second air tap and the third air tap are both used for being connected with a compressed air outlet of an air compression pump; when the compressed air is dehumidified, the second air nozzle and the third air nozzle are used as air inlet nozzles, and the first air nozzle is used as an air outlet nozzle; when the first molecular sieve and the second molecular sieve are subjected to back flushing and moisture removal, the second air nozzle and the third air nozzle serve as air outlet nozzles, and the first air nozzle serves as an air inlet nozzle.
Owner:SICHUAN NINGJIANG SHANCHUAN MACHINERY

Airflow pattern testing tool, testing device and airflow pattern testing method

The invention provides an airflow pattern testing tool, a testing device and an airflow pattern testing method, and relates to the technical field of airflow pattern testing. The air flow pattern test tool comprises a test piece; the surface of the test piece is a curved surface, a closed cavity is formed in the test piece, and the closed cavity is filled with gas with the density smaller than that of gas in the to-be-tested space, so that the test piece can float under the blowing action of the gas flow in the to-be-tested space and move in the flow direction of the gas flow. The airflow flow type testing tool can indicate the overall movement track of airflow through the testing piece which can float along with airflow blowing and move in the airflow direction, the testing process is continuous, all airflow movement tracks can be reflected, the testing accuracy is improved, operation is convenient and fast, and smoke residues cannot be generated to pollute the space to be tested.
Owner:TIANJIN INST FOR DRUG CONTROL

Papermaking residue recycling equipment

The utility model discloses papermaking residue recycling equipment, and relates to the technical field of papermaking device.The papermaking residue recycling equipment comprises a base and a working mechanism, the upper end of the base is fixedly connected with the working mechanism, the working mechanism comprises a wastewater treatment assembly fixedly connected to the upper end of the base, and the outer side of the wastewater treatment assembly is fixedly connected with a water storage assembly; according to the papermaking residue recycling equipment, through the arrangement of the working mechanism, during use, the design of the working mechanism of the papermaking residue recycling equipment embodies the concepts of environmental protection and resource recycling, the influence of the papermaking industry on the environment is effectively reduced, and through the wastewater treatment assembly and the water storage assembly, the papermaking residue can be recycled. The equipment can reduce wastewater discharge and recycle water resources, meanwhile, the fixed protection assembly ensures the safety of operators, the heat dissipation assembly and the treatment assembly work cooperatively, the heat efficiency and the treatment capacity of the equipment are improved, and stable operation of the equipment is ensured.
Owner:HEBEI MINGGUAN MOLDING TECHNOLOGY CO LTD

Medical sewage deep denitrification device and operation method thereof

The invention discloses a medical sewage deep denitrification device and an operation method thereof, and particularly relates to the technical field related to sewage treatment.The medical sewage deep denitrification device comprises a reaction bin, a filtering bin and a water inlet bin, and a stirring assembly used for conducting denitrification reaction on sewage is arranged above the reaction bin; a gain assembly used for premixing an added denitrifying agent and sewage is arranged above the filtering bin, a filtering assembly used for filtering a catalyst in effluent is arranged above the gain assembly, a rotating shaft is driven by a motor, the rotating shaft rotates to drive a half gear and a rotating sleeve to rotate, and the half gear and the rotating sleeve are driven to rotate; a rotating sleeve can drive a gear ring to rotate, and a matching gear can be driven to rotate forwards and backwards through synchronous rotation of a half gear and the rotating sleeve, so that multiple groups of stirring blades on the surface of a stirring shaft are driven to rotate forwards and backwards, sewage in a reaction bin can be fully stirred, and a denitrification agent is fully mixed and reacted with the sewage; the sewage denitrification and organic matter treatment efficiency can be improved, and the treatment quality is relatively high.
Owner:BEIJING SHENGHE ZHENGTAI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Pantograph ice scraping device and method for removing ice in real time

The invention provides a pantograph ice scraping device and method for real-time deicing and relates to the technical field of rail transit, and the method comprises the steps that the train speed, the gravity of a contact line under icing and the contact force of a current-receiving pantograph are collected in real time; inputting the train speed and the gravity into a preset pantograph-catenary dynamical model to calculate the optimal lifting force of the ice-scraping pantograph; based on the optimal lifting force of the ice scraping pantograph, the height of the ice scraping pantograph is controlled in real time for ice scraping; calculating a difference value between the contact force and a preset contact force, and updating the optimal lifting force of the current-collecting pantograph through the difference value; and the height of the current-receiving pantograph is controlled based on the optimal lifting force of the current-receiving pantograph, and optimal pantograph-catenary matching during ice scraping of the pantograph is achieved. According to the method, the problems that under the conditions that the icing speed of the overhead line system is high and the skylight time is short, the overhead line system cannot be conveniently and efficiently deiced, and good contact between pantograph catenaries cannot be guaranteed in an existing method are solved.
Owner:SOUTHWEST JIAOTONG UNIV

Mixing device and method for degradable bio-based polyhydric alcohols / polyatomic acids

The invention relates to the technical field of bio-based polyols, and discloses a mixing device capable of degrading bio-based polyols / polyprotic acids, the mixing device comprises a tank body and a heating device, the heating device comprises a gas outlet bin, the gas outlet bin is installed at the top of the tank body, the inner side of the gas outlet bin is connected with a gas inlet bin, the gas outlet bin is connected with a gas outlet pipe, and the gas outlet pipe is connected with a gas inlet pipe. The air inlet bin is connected with an air inlet pipe, a plurality of ventilation pipes are slidably installed on the inner wall of the air inlet bin and the inner wall of the air outlet bin, and the bottoms of the ventilation pipes are connected with a plurality of circulating pipes respectively. Through the arrangement of the heating device, the multiple circulating pipes can exchange heat of steam in the circulating pipes into reactants in the tank body, so that the heating effect is achieved, and the multiple circulating pipes can increase the contact area with the reactants through vertical reciprocating motion, so that the heating rate is increased; and moreover, the heat contacted with reactants in the tank body is relatively uniform.
Owner:SHANGHAI TANTAI TECH CO LTD

Efficient heat exchanger for petrochemical industry

The invention relates to an efficient heat exchanger for petrochemical engineering, and relates to the technical field of heat exchangers. The device comprises a heat exchange shell, a corrosion inhibition box fixed to the heat exchange shell, a plurality of heat exchange pipes and two baffle plates which are rotationally arranged on the heat exchange shell, a processing mechanism for conducting scraping, brushing, fracture detection and marking on the heat exchange pipes correspondingly, and a rotating assembly for conducting rotating driving on the heat exchange pipes. The translation assembly is used for carrying out translation driving on the two baffle plates; the test assembly is used for carrying out deformation detection on the inner wall of the heat exchange shell; the corrosion inhibition box is used for storing a corrosion inhibitor, and a control assembly used for controlling the release amount of the corrosion inhibitor is arranged on the heat exchange shell. The purpose of heat exchange between the petroleum raw material and the heat medium can be achieved, the petroleum raw material can be guided to be evenly distributed in the tube pass, the phenomenon that the petroleum raw material forms laminar flow or uneven flow in the tube pass is avoided, heat stress caused by uneven heating of the heat exchange tube is prevented, and deformation and cracking of the heat exchange tube due to the heat stress are prevented.
Owner:HUBEI CHANGJIAN PETROCHEM EQUIP CO LTD

Dust treatment equipment of coal conveying system

The invention discloses dust treatment equipment of a coal conveying system, and belongs to the technical field of dust treatment, the dust treatment equipment comprises a gas collection pipeline, and a water bath dust removal chamber, a sedimentation dust removal chamber, a sinter plate dust removal chamber and a gas purification chamber which are sequentially arranged from bottom to top, the outlet of the gas purification chamber is connected with the input end of a smoke exhaust pipeline, and an induced draft fan is arranged in the smoke exhaust pipeline; the output tail end of the gas collection pipeline is connected with a flow equalizing plate in the water bath dust removal chamber, a bottom turbulent flow layer, a streaming layer and a top turbulent flow layer are arranged in the sedimentation dust removal chamber, the streaming layer is formed by Y-shaped streaming elements in a matrix distribution mode, one end of a turbulent flow pipe is open, and the other end of the turbulent flow pipe is connected with an induced draft fan; the sinter plate dust removal chamber is used for further treating the gas treated by the water bath dust removal chamber and the sedimentation dust removal chamber; the flow layer enhances the agglomeration of coal dust gas and water turbulence and the phase change agglomeration of water vapor, and ensures that the airflow is uniformly distributed in the dust removal equipment, so that the dust filtering strength borne by each sinter plate is roughly the same, the dust removal efficiency of the sinter plate is improved, and the service life of the sinter plate is prolonged.
Owner:JIANGSU GUOXIN YANGZHOU POWER GENERATION

Anti-deviation structure for mechanical drilling

The invention discloses an anti-deviation structure for mechanical drilling, and particularly relates to the technical field of machining, the anti-deviation structure comprises a supporting frame and a fixing frame, limiting grooves are formed in the left side and the right side in the supporting frame, a connecting plate is fixedly connected to the top of the fixing frame, and an air cylinder is fixedly connected to the top of the connecting plate. By integrating the high-precision laser sensor, the position of the drill bit can be monitored and adjusted in real time, and it is ensured that each time of drilling can meet the preset precision requirement. The positioning of the drill bit is more accurate, the deviation problem of the drill bit is reduced, and the drill bit can be easily adjusted at multiple angles and multiple directions so as to meet the drilling requirements of different materials, different thicknesses and different angles. According to the device, the use range of the device is enlarged, the drill bit and the motor can be effectively cooled through the arrangement of the cooling box and the pressing spray head, abrasion caused by high-temperature operation is reduced, and therefore the service life of the drill bit is remarkably prolonged, and the maintenance cost and the downtime are reduced.
Owner:INNER MONGOLIA TECHNICAL COLLEGE OF MECHANICS & ELECTRICS

Self-locking hydraulic anchor

The invention provides a self-locking hydraulic anchor which comprises a hydraulic anchor body, a sliding mandrel capable of making contact with the hydraulic anchor body, an elastic piece connected with the sliding mandrel, a one-way valve and a sealing mandrel. The one-way valve comprises a valve seat arranged in the hydraulic anchor body and a valve element capable of being separated from or making contact with the valve seat. A part of the outer wall of the sealing mandrel and a part of the inner wall of the hydraulic anchor body form a closed cavity, the first end of the one-way valve is communicated with the closed cavity, the second end of the one-way valve is communicated with an inner tubular column of the sliding mandrel, and the sliding mandrel can abut against the hydraulic anchor body under the action of the elastic piece and push the valve element to leave the valve seat at the same time. And the valve element can move away from the hydraulic anchor body under the action of external force, so that the valve element is in contact with the hydraulic anchor body. According to the self-locking type hydraulic anchor, in the reservoir transformation period, the pressure in the self-locking type hydraulic anchor is always larger than the pressure borne by the outside, so that the anchor fluke is in a locked state, a packer is prevented from being unblocked, and an oil pipe is prevented from being communicated with a sleeve.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Air conditioner multi-stage heat dissipation device and method with heat accumulation prevention function

The invention relates to the technical field of air conditioner heat dissipation, in particular to an air conditioner multi-stage heat dissipation device and method with a heat accumulation prevention function. The air conditioner multi-stage heat dissipation device comprises an air guide pipe and a discharge pipe fixed to the side wall of the air guide pipe, a first sieve plate is fixed to the end, away from the discharge pipe, of the air guide pipe, and a second sieve plate is fixed to the side wall of the discharge pipe; a liquid storage tank is further fixed on the air guide pipe; the fan is rotationally mounted in the air guide pipe and used for controlling external air to enter the air guide pipe; the driving mechanism is arranged in the air guide pipe, a water-cooling circulating mechanism connected with the driving mechanism is further arranged in the air guide pipe, and a circulating cooling pipe communicated with the liquid storage tank is connected to the water-cooling circulating mechanism; according to the multi-stage air conditioner, multi-stage heat dissipation of the air conditioner can be achieved through cooperation of water cooling and air cooling, the output power of water cooling and the output power of air cooling are automatically adjusted according to the temperature of the air conditioner, and therefore the heat dissipation effect is automatically adjusted.
Owner:ZHUHAI ARCHITECTURAL DESIGN INST

Air energy heat pump all-in-one machine and using method thereof

The invention discloses an air energy heat pump all-in-one machine and a using method thereof, and relates to the technical field of heat pumps. Comprising a machine body, an evaporator, an adjusting module and an airflow driving module, the adjusting module is installed on the outer side of the evaporator, and the airflow driving module is installed on the adjusting module; the method further comprises the following steps that S1, in the daily operation mode, air flow is enhanced; s2, switching to a dust removal mode in a specific period of time every day, and removing dust on the surface of the evaporator; s3, dust removal is conducted on the ventilation plate; s4, switching to a defrosting mode; and S5, the angle is automatically adjusted, and the evaporator is defrosted from bottom to top. In a daily operation mode, the air conditioner is cooperatively matched with the fan to enhance air flow and improve heat exchange efficiency, in a dust removal mode, the air duct can remove dust on the evaporator and the ventilation plate at regular time, in a defrosting mode, the air duct moves from bottom to top to defrost, the upper half part of the air duct preheats and melts a frost layer, and the defrosting effect is improved. And the lower half part evaporates and dries the defrosted water drops.
Owner:SHANDONG MUYANG NEW ENERGY CO LTD

High-load injection-molded bearing retainer and bearing

The utility model discloses a high-load injection-molded bearing retainer, and relates to the technical field of bearings. Comprising a retaining ring; the lintels are arranged at intervals in the circumferential direction of the retaining ring; the support frame is connected between two adjacent lintels, and pockets for accommodating the balls are formed in the support frame; windowsills protruding away from the supporting frame are arranged on the two sides, in the axis direction of the pockets, of the supporting frame; spherical acting surfaces which are connected with the inner arc surfaces of the pockets and are used for bearing balls are arranged in the windowsill; the situation that lubricating oil is thrown to the two sides of the bearing in the radial direction due to the edge of the lubricating oil retainer under the action of centrifugal force during high-speed rotation is avoided, more lubricating oil can be pushed to the surface of the rolling body, lubricating between the rolling body and the retainer is more sufficient, the lubricating effect is enhanced, and the service life of the bearing is prolonged. Heat between the retainer and the rolling body can be fully taken away, and the service life of the bearing is prolonged.
Owner:SHANDONG GOLDEN EMPIRE PRECISION MACHINERY TECH CO LTD

Efficient reaction device for mixing chamber of extraction box

The utility model relates to the technical field of non-ferrous metal hydrometallurgy extraction, in particular to an efficient reaction device for a mixing chamber of an extraction box, which comprises a power system, a mixing chamber box body, an organic phase inlet short section, a water phase inlet short section and a mixing chamber bottom plate, a mixing chamber bottom plate is mounted at the lower part in the mixing chamber box body, a bottom plate inner cavity is formed between the lower part of the mixing chamber bottom plate and the mixing chamber box body, and a vertically-through communicating hole is formed in the center of the upper part of the mixing chamber bottom plate; a power system is arranged right above the mixing chamber box body, and the bottom of the power system is located on the inner side of the mixing chamber box body and extends to the position above the communicating hole; organic matter enters the inner cavity of the bottom plate through the organic phase inlet short section, water enters the inner cavity of the bottom plate through the water phase inlet short section, and when two phases of oil and liquid enter the mixing chamber box body through the communicating hole in the cavity of the bottom plate, the oil and liquid are continuously lifted through the totally-closed disc turbine, and negative pressure is formed in the inner cavity of the bottom plate; therefore, the suction force of the mixing chamber box body to the oil in the inner cavity of the bottom plate is increased, and the two-phase excess flow of the oil in the mixing chamber box body is improved.
Owner:JINCHUAN GRP NICKEL SALTS CO LTD

Forging forming method of integral bulkhead

The invention provides a forging forming method for an integral bulkhead, aims to solve the problems that materials cannot well fall into a cavity in the forging process of a forge piece, so that positioning is not stable, and the materials cannot well enter the cavity, and relates to the field of forging. A forging forming method of an integral bulkhead comprises the steps that a plate-shaped initial blank is formed; the rod-shaped blank is pressed downwards in the diameter direction of the rod-shaped blank, the rod-shaped blank is widened, and therefore the plate-shaped initial blank is obtained; forming a target forge piece; during forming, the plate-shaped initial blank is placed in a forming die designed according to the target forge piece to be pressed to obtain the target forge piece, the forming die comprises an upper die and a lower die, and the distance from a wad part forming boss of the lower die to a parting surface is larger than the distance from a wad part forming boss of the upper die to the parting surface; a plurality of bridge part extending parts for positioning are arranged on the lower die, and when a target forge piece is formed, the bridge part extending parts are matched with the edge of the plate-shaped initial blank in an abutting mode for positioning, so that the plate-shaped initial blank is fixed.
Owner:CHINA NAT ERZHONG GRP DEYANG WANHANG DIE FORGING CO LTD

Method for enhancing chemical reaction of flow battery based on local ultrasonic assistance

The invention provides a method for assisting and strengthening a chemical reaction of a flow battery based on local ultrasound, which comprises the following steps of: (1) arranging ultrasonic transducers on bipolar plates of a positive half battery and a negative half battery of the flow battery, the arrangement position of the ultrasonic transducer on the bipolar plate and the size of the ultrasonic transducer enable the action area of ultrasound applied by the ultrasonic transducer to cover the flow dead zone in the porous electrode; (2) connecting a signal generator with an ultrasonic transducer through a power amplifier; and (3) in the operation process of the flow battery, starting the signal generator and the power amplifier to apply ultrasound to the flow battery through the ultrasonic transducer, and improving the flow velocity and the flow uniformity of the electrolyte in the porous electrode by utilizing the ultrasound so as to strengthen the chemical reaction of the flow battery. According to the method, the flow uniformity of the electrolyte in the porous electrode can be effectively improved, the flexible regulation and control of the flow field in the porous electrode of the flow battery are realized, and the ultrasonic power consumption of the regulation and control of the flow field in the electrode is reduced.
Owner:DALIAN UNIV OF TECH

General syrup processing filter

The utility model relates to a general syrup processing filter which comprises a filter box, a filter plate is fixed between the upper end and the lower end of the inner wall of the filter box, an annular plate is fixed on the outer surface of the filter plate, an anti-blocking mechanism is arranged on the filter box, a cleaning mechanism is arranged on the filter box, and a feeding pipe is fixed at the top end of the filter box. Two discharging pipes and a slag discharging pipe are fixed to the bottom end of the filtering box, a servo motor is fixed to the bottom end of the filtering box, a rotating shaft is fixed to an output shaft of the servo motor, and a stirring shaft is fixed to the outer surface of the rotating shaft. According to the general syrup processing filter, an anti-blocking mechanism is arranged on the filter box, so that a filter plate can be dredged by a dredging rod when being blocked, syrup can conveniently flow through filter holes of the filter plate, and a cleaning mechanism is arranged on the filter box, so that the interior of the filter box can be conveniently cleaned; water sprayed by the spray heads can be used for cleaning the dredging rod and the filter plate.
Owner:SHANDONG JINTIAN BIOLOGICAL SCI & TECH CO LTD

High-energy metal ion implanter

The invention discloses a high-energy metal ion implanter. The high-energy metal ion implanter comprises an ion source system, a movable electrode, an accelerator, a deflection system, a scanning system and a target chamber system which are arranged in sequence, the ion source system focuses laser on the surface of a refractory metal target material for bombardment to generate refractory metal plasma; the movable electrode is used for leading out a refractory metal ion beam; the accelerator is used for accelerating the refractory metal ion beam; the deflection system is used for performing mass-to-charge ratio screening on the accelerated ion beam; and the scanning system is used for controlling the screening ion beam to scan the material surface in the target chamber system. According to the method, the laser is focused on the surface of the refractory metal target material for bombardment to generate the refractory metal plasma, so that the flow intensity of the refractory metal ion beam is improved, and the injection efficiency and the injection effect are improved.
Owner:XI AN JUNENG MEDICAL ENGINEERING TECHNOLOGY CO LTD

Stain filtering structure for pumped storage power station

The invention provides a stain filtering structure for a pumped storage power station, and relates to the technical field of filtering device.The stain filtering structure comprises a bottom shell, a drainage pipe is arranged on the outer side of the bottom of the bottom shell, a water inlet barrel is fixedly installed at the top of the bottom shell, a water inlet pipe is arranged on the outer side of the water inlet barrel, an inner barrel is arranged in the water inlet barrel, and a lower pipe body is arranged at the bottom of the inner barrel; the lower pipe body is communicated with the bottom shell, a plurality of filter holes are formed in the outer cylinder wall surrounding the inner cylinder, and a tamping mechanism for tamping the filter holes in a blocked state is arranged in the inner cylinder; the bottom of the inner barrel is fixedly sleeved with a carrying ring, the outer ring face of the carrying ring is fixedly sleeved with a piston sleeve, the piston sleeve is connected with the inner wall of the water inlet barrel, a water storage cavity is formed between the top face of the carrying ring and the inner wall of the water inlet barrel, a spiral conveying mechanism is arranged in the water storage cavity, and the arrangement height of the spiral conveying mechanism is larger than that of the water inlet barrel. Daily automatic maintenance of the filtering structure is achieved by arranging the mashing mechanism and the spiral conveying mechanism.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Mold drawing method and mold drawing apparatus

ActiveCN117020118Breliable separationimprove flowFoundry mouldsFoundry coresManipulator
The application discloses a mold stripping mode, which comprises three steps of positioning, pre-tightening and mold stripping; through the positioning, the first arm and the second arm of a manipulator can cooperate to clamp a sand mold; through the pre-tightening, jacking working pieces press against the manipulator and a bottom plate to overcome the gap between the arms and the sand box in the Z direction; the synchronous action of all the jacking working pieces is favorable for the sand mold to integrally separate from the bottom plate in a relatively horizontal stable state; after the sand mold separates from the bottom plate, the sand mold and a wooden mold are separated, and the sand mold can be easily and quickly lifted by the upward movement of the manipulator. The application also provides a mold stripping device for realizing the mold stripping mode; the mold stripping device comprises a manipulator, the manipulator comprises a hanging beam, a first arm, a second arm, a first support, a second support and jacking working pieces; the jacking working pieces can realize the reliable separation of the sand mold and the bottom plate through pre-tightening and synchronous force; after the manipulator lifts the sand mold, the first support and the second support cooperate to overturn the sand mold, so as to facilitate flow coating, mold closing and other operations.
Owner:WUXI XINAN FOUNDARY MACHINERY

Multi-path distribution self-starting fire extinguishing device

The invention discloses a multi-path distribution self-starting fire extinguishing device which comprises a fire extinguishing tank, a shunt, an alarm and a fusible pipeline, the fire extinguishing tank is provided with a liquid outlet, the liquid outlet is connected with a branching device through a main pipeline, one end, close to the branching device, of the main pipeline is communicated with an external air source through a pressurizing pipeline, the pressurizing pipeline is provided with a one-way valve, the branching device is connected with a plurality of branch pipelines extending to an inflammable area, and the branch pipelines are communicated with the main pipeline. The branch pipelines are connected with fusible pipelines located in the corresponding flammable areas. A pressure relief sensor is arranged on the fire extinguishing tank, and the pressure relief sensor is connected with the alarm in a closed loop manner; and the fire extinguishing tank is also provided with an anti-decompression valve and a pressurizing valve. The fire extinguishing device is reasonable in structural design and easy and convenient to operate, fire disasters can be extinguished automatically, rapidly and effectively, the safety and reliability of the agricultural machinery can be improved, and a powerful guarantee is provided for safe operation of the agricultural machinery.
Owner:杨玉慧

Heat dissipation devices and electronic equipment

This application provides a heat dissipation device and electronic device, including: a condenser having an internally vacuumed and sealed cavity; a liquid pipe containing a liquid working fluid, one end of which is connected to the condenser; a compensation chamber having an internally vacuumed and sealed cavity, through which the liquid pipe passes and communicates with the compensation chamber, and a liquid-absorbing core covering the surface of the liquid pipe within the compensation chamber; an evaporator having an internally vacuumed and sealed cylindrical structure, comprising a vapor channel, a first capillary core, and a second capillary core stacked sequentially from the outer wall surface of the cylindrical structure to the central axis, the other end of which penetrates a portion of the evaporator, and the second capillary core covering a portion of the surface of the liquid pipe; a gas pipe, one end of which is connected to the vapor channel, and the other end of which is connected to the condenser; and a heat-conducting plate covering the outer surface of the evaporator. The heat dissipation device and electronic device provided in this application embodiment at least improve the heat dissipation efficiency of electronic devices.
Owner:HUAQIN TECH CO LTD