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18results about How to "Improve the operating environment" patented technology
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Powder material tubular conveying mechanism with vibration function
The utility model relates to powder conveying technical field, and disclose a kind of tubular transmission mechanism of powdery material with vibration function, including conveying pipe, displacement device, vibration ring, vibration ring is slidably installed in the outer periphery of conveying pipe, and vibration ring is driven to reciprocate along the axis direction of conveying pipe by displacement device, the inner wall of vibration ring is provided with the multiple vibration components of circumferential uniform distribution, and vibration is transmitted to powdery material by dynamic knocking of vibration component to the outer wall of displacement device.The utility model drives vibration ring to reciprocate along the axis of conveying pipe by displacement device, simultaneously, vibration component of vibration ring inner wall carries out circumferential dynamic knocking to pipe wall, and forms the unblocking mode of "global coverage+multiple point vibration", when conveying strong viscosity milk powder, vibration frequency can reach 0-100Hz, can effectively break powder bridging, reduce pipeline blockage rate, solve the problem of poor conveying caused by powder adhesion, caking.
Owner:ANHUI YUYUAN NEW MATERIAL TECHNOLOGY CO LTD
A water-soluble shearing oil and its preparation method
This invention discloses a water-soluble punching and shearing oil, comprising the following components in 100 parts by weight: 20.0-35.0 parts rust inhibitor; 10.0-20.0 parts lubricant; 3.0-10.0 parts surfactant; 0.5-3.5 parts bactericide and mildew inhibitor; 0.5-2.0 parts other additives; and the balance being deionized water. This punching and shearing oil can be used in various sheet metal deep drawing and punching processes. It can be diluted for use, effectively reducing users' oil costs. Simultaneously, it avoids oil mist and VOC problems caused by using oily products in the workshop, thus purifying the workshop operating environment. Parts punched and sheared using this invention have smooth surfaces, complete cuts, good gloss, and are burr-free. Processed parts are easy to clean or require no cleaning, significantly saving on overall costs such as materials, water resources, and labor.
Owner:DONGGUAN PACIFIC BOGAO LCBRICANT CO LTD
Adjustable supporting device for municipal foundation pit construction
Owner:沧州市市政公用事业服务中心
Deposition apparatus
ActiveCN224378197UImprove performance consistencyavoid reactionRotary stirring mixersTransportation and packaging
The utility model discloses a deposition device, including the reaction chamber, the reaction chamber has the reaction cavity in, the reaction chamber upper portion is provided with the feed port for the single atom from top to bottom to enter the reaction cavity, the reaction chamber upper still is provided with the gas inlet and the gas outlet for the gas to go in and out, be provided with the deposition chamber for the single atom and powder mix in the reaction cavity, the deposition chamber is provided with the stirring mechanism for making the single atom with powder can mix even, the utility model discloses setting stirring mechanism continuously turns over the powder in the deposition chamber, the contact surface of dynamic adjustment powder and single atom / cluster particle, effectively solved the powder easy to conglomeration in the prior art, the low problem of coating efficiency, quality stability difference caused by uneven contact, ensure that powder surface evenly coats single atom / cluster, promote material performance consistency, the structure detachable design has strengthened the operation convenience and environmental adaptability.
Owner:SHENZHEN KUOWEI ATOMIC NEW MATERIALS CO LTD
Asymmetric cooperative control three-phase balance motor soft starter
ActiveCN224289648Ureduce vibrationreduce noiseStarter detailsPolyphase induction motor starterThree phase asynchronous motorControl signal
The utility model discloses an asymmetric cooperative control three-phase balance motor soft starter, comprising a three-phase AC power supply input end, a power adjusting unit, an output end connected to a three-phase asynchronous motor, and a main controller which are connected in sequence. The power adjusting unit comprises an A-phase control module which is internally provided with a first thyristor at least controlled by a main controller; the B-phase control module is internally provided with a pair of antiparallel second thyristors controlled by the main controller; and the C-phase control module is internally provided with a pair of third thyristors which are controlled by the main controller and are reversely connected in parallel. The main controller cooperatively controls the conduction angles of the first thyristor, the second thyristor pair and the third thyristor pair in the starting process of the motor by outputting a control signal so as to adjust the voltage applied to the motor and improve the balance of the three-phase output voltage. According to the utility model, the three phases are controlled, so that the three-phase balance during starting is effectively improved, and the vibration and noise of the motor are reduced.
Owner:SUZHOU VAIDNOR ELECTRONICS TECH
A condensate recovery system
ActiveCN224340735Uavoid damageSolve safety hazards such as diffusionPositive displacement pump componentsSteam/vapor condensersWater temperatureChiller
The utility model relates to the technical field of condensate water recovery, specifically relates to a condensate water recovery system, the condensate water recovery system includes condensate water recovery unit, conveying unit and temperature regulation unit, condensate water recovery unit is used to be connected with the steam seal cooler of steam drive compressor, to collect the condensate water that steam seal cooler discharged, conveying unit intercommunication condensate water recovery unit and the target utilization equipment of open system, temperature regulation unit is used to the condensate water temperature control between condensate water recovery unit with target utilization equipment, the condensate water recovery system provided by the utility model can reduce or avoid the steam seal condensate water of steam drive compressor direct discharge, thereby reduce the waste of resources and the influence to the environment.
Owner:SHENGHONG REFINING & CHEM (LIANYUNGANG) CO LTD
A storage device for potassium hydroxide
The utility model discloses a kind of storage device of potassium hydroxide, including storage container, KOH input port, inert gas input port, circulating pump system, observation port, sealing unit, cooling unit and control module are equipped on storage container;The control module is connected with metal ion concentration sensor, temperature sensor, flow sensor and pH monitor;The control module is used to collect the above sensor data, controls circulating pump system and cooling unit operating state, adjusts soft water supply flow, and triggers early warning when parameter is abnormal, simultaneously, operating data is uploaded to remote platform.
Owner:UNID JIANGSU CHEM CO LTD
Dust collection type grinding workbench
ActiveCN224274656UReduce health impactReduce labor intensityGrinding carriagesLighting elementsStructural engineeringWorkbench
The utility model relates to the technical field of dust collection devices, and discloses a dust collection type polishing workbench which comprises a machine body, the machine body comprises an operation part, an operation plate is horizontally arranged on an operation table of the operation part, the operation table further comprises a vertical baffle perpendicular to the end edge of the operation table, and a ventilation opening is formed in the vertical baffle in a penetrating mode. Dust blocking cloth is slidably connected to the opposite inner side faces of the side baffles at the two ends of the operation table, one end of the dust blocking cloth is fixed to a rotating rod, the rotating rod is rotationally connected to the end edge of a top plate of the operation table, and the other end of the dust blocking cloth is fixed to a connecting rod; the dust blocking device has the advantages that the dust blocking cloth is arranged, the influence of dust on the health of workers is further reduced, and due to the fact that the dust blocking cloth is transparent, the influence of operation of the workers is reduced.
Owner:WUHAN YUECHENG ENVIRONMENTAL PROTECTION VENTILATION EQUIP CO LTD
Automatic cleaning and flushing integrated device for sludge dewatering cake scattering block
ActiveCN224372186URealize automatic cleaningReduce job safety risksDirt cleaningCleaning using tools
The utility model relates to a sludge dewatering cake scattering block automatic cleaning and flushing integrated device, its characterized in that: contain cleaning device body, sliding guide, mud cake desorption water collection system, plate frame machine control cabinet, drain groove, cleaning device body sliding connection is in the sliding guide, sliding guide fixed setting is in the inner wall's upper end of drain groove, plate frame machine control cabinet and cleaning device body electric signal coupling, and be used for the power supply of cleaning device body, the top of cleaning device body and mud cake desorption water collection system intercommunication, mud cake desorption water collection system and plate frame machine side's drain faucet intercommunication, and mud cake desorption water collection system is used for collecting the waste water that drain faucet discharged, the utility model replaces manual cleaning, reduces the operation safety risk, effectively reduces the water consumption, reduces the sludge compression workshop peculiar smell, improves the plant operation environment.
Owner:WUHAN OPTICS VALLEY ENVIRONMENTAL TECH CO LTD
Atmospheric pollution circulating treatment device
PendingCN122251955AImprove atomization effectImprove dust removal efficiencyUsing liquid separation agentWater/sewage treatmentFiltrationDust control
This invention discloses an air pollution circulation and treatment device, belonging to the field of air pollution control technology. It includes a frame, a gas-liquid separation cylinder mounted on the frame, and a water tank. The gas-liquid separation cylinder has an air inlet, and the water outlet of the water tank is connected to a circulating water pump. The outlet of the circulating water pump is connected to a Venturi spray system, and a drain pipe is located at the bottom of the water tank. This invention uses a horizontal plate and a filter screen to form an independent filtration chamber within the water tank corresponding to the circulating water pump inlet. When the filter screen is clogged by dust particles, causing the liquid level inside the filtration chamber to drop, a purely mechanical rotary drive mechanism consisting of a float, magnetic metal block, magnet, rack, and ratchet assembly can be automatically triggered. Without manual intervention or an additional electrical control system, it can automatically coordinate with a scraping mechanism to clean the filter screen surface online. This effectively solves the problems of insufficient circulating water volume and water pressure drop caused by filter screen clogging, ensuring stable Venturi atomization effect and dust removal efficiency.
Owner:CARBON WALKER (WUHAN) ENVIRONMENTAL TECHNOLOGY CO LTD
A cable allowance management device for weak current engineering
The utility model discloses a cable surplus management device for weak current engineering, include: support base plate, the surface stamping forms continuous wave curved surface, contains the wave peak part and the wave trough part of alternate distribution, the curvature radius R of wave peak part and wave trough part satisfies: R >= 8Dmax, detachable wave baffle group includes the parallel arrangement of multiple groups's ABS engineering plastics baffle, and ABS engineering plastics baffle is set to continuous wave curved surface, and its wave curvature is in accord with the support base plate, the cover plate subassembly, covers the top of detachable wave baffle group, and the wave curvature of with support base plate is in accord with, constitutes closed cable channel jointly, fixed stake is set up in the downside of wave peak part and the upside of wave trough part, and is connected through the connecting rib plate between with support base plate, and the lower part of fixed stake sets up fixed column, and fixed column inserts the fixed connection of wiring groove's bottom plate. The utility model solves the problem that the lower layer cable maintenance can not be flexibly displaced because of the insufficient storage surplus of upper layer cable in the multilayer cable layered management technology.
Owner:上海炙意机电工程有限公司
1d / 2d dual piezoelectric photocatalytic composite material, and preparation method and application thereof
PendingCN122209428AImprove separation efficiencyIncrease the attachment areaPhysical/chemical process catalystsWater/sewage treatment by irradiation
This invention provides a 1D / 2D dual piezoelectric photocatalytic composite material, its preparation method, and its application, relating to the field of wastewater treatment technology. The 1D / 2D dual piezoelectric photocatalytic composite material of this invention comprises a heterojunction structure consisting of one-dimensional rod-shaped barium titanate and a two-dimensional bismuth-rich halide oxide; the one-dimensional rod-shaped barium titanate is rod-shaped BaTiO3 grown along the c-axis orientation; the two-dimensional bismuth-rich halide oxide is Bi... x O y X z X is at least one of Cl, Br, or I; the BaTiO3 and Bi x O y X z The molar ratio is (1-10):(1-10); the lattice matching degree of the heterojunction is >90%. This invention constructs a 1D / 2D dual piezoelectric heterojunction structure with high lattice matching degree, combined with a curing method involving chemical bonding of a hydroxylated modified layer and a silane coupling agent, and uses an aeration-driven approach to achieve synergistic enhancement of piezoelectric effect and photocatalytic performance. This significantly improves carrier separation efficiency and catalyst stability, reduces energy consumption, and provides a new direction for the efficient treatment of organic wastewater, showing promising application prospects.
Owner:HEBEI UNIVERSITY
Modular quick-assembly box-type substation convenient to disassemble
The utility model relates to box type substation technical field, concretely for modularization quick assembly box type substation of convenient to disassemble, including base and top seat, the base is connected with the mounting panel of slide groove through its bottom opening, the surface of mounting panel is fixedly connected with a plurality of electric element fixing piece, the mounting panel surface is rotatably connected with the frame board through the hinge, the frame board is located below electric element fixing piece, the bottom of frame board is connected with the support frame. The improved box type substation, the convenient splicing and assembly between each component are realized, in the transportation storage aspect, the side plate and the door panel can be folded and rotated, greatly reduce the volume, solve the problem that the traditional integral type substation occupies the space greatly, is vulnerable to damage, reduce transportation and storage cost and risk, the interior space utilization is very flexible, according to the size of electric element, through electric element fixing piece, frame board and so on different mode reasonable layout, significantly improved the space utilization.
Owner:SHANDONG HANLIN ELECTRIC TECH CO LTD
A treatment cartridge for sewage treatment
The utility model relates to a kind of processing cylinder for sewage treatment, including outer cylinder and the inner cylinder being set in outer cylinder;The processing space between outer cylinder and inner cylinder is divided into at least one sewage treatment process area, the internal space of inner cylinder is divided into mutually isolated air purification chamber, sludge chamber and water chamber;Air purification device is installed in air purification chamber, and air purification chamber is provided with pollution gas import and purification gas export;The upper space gas layer of sludge chamber and water chamber and the upper gas layer of processing space are all communicated with the gas inlet of air purification device gas-collecting pipeline.It has beneficial effect, not only avoid the dispersed setting of multiple devices, also reduce the connecting pipeline and accessory facilities between device, reduce construction cost and system complexity.
Owner:QINGDAO SHANQING HOTONE ENVIRONMENTAL TECH CO LTD
A fast self-healing alkoxylated polyethyleneimine material, preparation method and application thereof
The application discloses a kind of fast self-repairing alkoxylated polyethylene imine material and preparation method and application, it is related to solar photovoltaic packaging material technical field.The method includes alkoxylated ethenyl imidazole imidazolium double trifluoromethane sulfonimide monomer is dissolved in DMSO solvent, then a certain proportion of initiator is added as initiator, and under the protection of nitrogen atmosphere, radical polymerization reaction is initiated at 70~90 ℃, after multiple washing with ethyl acetate, alkoxylated polyethylene imine material is obtained.The application is based on alkoxylated imidazole monomer, through alkylation reaction, ion exchange reaction and radical polymerization reaction, successfully build alkoxylated polyethylene imine material, while designing to realize the fast self-repairing function of packaging material and the effect of inhibiting lead leakage, finally realize the lossless packaging of solar photovoltaic cell, improve the operating stability of photovoltaic product.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Vacuum casting trolley system
ActiveCN224273291Uimprove securityavoid unstable factorsMelt-holding vesselsVacuum castingHydraulic cylinder
This utility model belongs to the technical field of metallurgical casting production equipment, and relates to a vacuum casting trolley system, including a casting ladle, a trolley body, a locking device, a movable support frame, and a lifting device. Its operation is interference-free; upon reaching the casting position, it automatically locks, and a hydraulic cylinder drives the pouring port of the sliding gate at the bottom of the ladle to descend into the receiving port of the tundish for casting. After casting, the hydraulic cylinder lifts the ladle back to its original position, and the trolley returns to its initial position. This utility model has a simple and reliable structure, effectively solving the problems of frequent malfunctions, high risk of molten steel leakage, poor casting stability, high operational difficulty, and a dirty environment associated with traditional crane-lifted ladle casting equipment. It significantly improves production efficiency, casting quality, and safety, reduces labor and equipment costs, and improves the production environment and worker occupational health conditions. It has broad application prospects and significant practical value in the iron and steel metallurgy field.
Owner:CISDI ENGINEERING CO LTD
Sensorless control method for permanent magnet synchronous motor based on high frequency injection
PendingCN122292973AReduce noise disturbanceReduce electromagnetic interferencePhase currentsPermanent magnet synchronous motor
This invention discloses a sensorless control method for permanent magnet synchronous motors based on high-frequency injection, belonging to the field of sensorless control technology for permanent magnet synchronous motors. It constructs an input combination of a high-frequency square wave injection signal and a PWM triangular carrier signal; converts the high-frequency square wave injection signal in the input combination with the rotor position estimate into an α-β stationary coordinate system voltage, and then generates an inverter drive signal through an SVPWM module driven by the PWM triangular carrier signal; it acquires the stator three-phase current response signal, processes it to obtain a high-frequency current component, obtains the d-q rotating coordinate system fundamental frequency current, and inputs it to the current loop; based on the high-frequency current component, it obtains a high-frequency current envelope signal, inputs it to a PI-type phase-locked loop, calculates the rotor position estimate and speed estimate, and feeds them back to the speed loop and current loop, dispersing fixed-frequency harmonic concentrated energy and reducing audible noise and electromagnetic interference during zero-low speed operation of the motor.
Owner:ANHUI UNIV
Cotton spinning pre-oxidized fiber and preparation method thereof
PendingCN122082165Aevenly dispersedgood compatibilitySynthetic polymer filament chemical after-treatmentLiquid/gas/vapor yarns/filaments treatmentPolymer scienceSpinning
The invention relates to the technical field of pre-oxidized fibers, and particularly discloses a cotton spinning pre-oxidized fiber and a preparation method thereof. The preparation method comprises the following steps: mixing a polyacrylonitrile precursor with a first modified oil agent to obtain a pretreated precursor; the first modified oil agent comprises polytetrafluoroethylene dispersion liquid, nano aluminum oxide and a silane coupling agent; carrying out gradient pre-oxidation on the pre-treated precursor in an air atmosphere under the conditions that the temperature is 215-255 DEG C and the tension is 1650-2100 cN, so as to obtain a pre-oxidized fiber; immersing the pre-oxidized fiber into a second modified oiling agent for oiling and curling to obtain a cotton spinning pre-oxidized fiber; the second modified oiling agent comprises an antistatic agent, a bundling agent and a moisture absorption friction increasing agent. According to the invention, the structural stability and antistatic property of the fiber are improved by controlling the condition parameters of pre-oxidation and optimizing the components and proportion of the first modified oil agent and the second modified oil agent, so that the spinnability of the cotton spinning pre-oxidized fiber is improved, and high-quality and large-scale cotton spinning processing of the pre-oxidized fiber is realized.
Owner:河北碳谷碳纤维有限公司 +1