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70results about How to "Protection from impact" patented technology
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Data storage protection device
InactiveUS20060075509A1Maintain internal temperatureAvoid shockError detection/correctionVolume/mass flow measurementHard disc driveEngineering
The present invention involves a networked device that protects electronically stored data in case of impact, fire, flood, or other damaging condition. The invention includes a hard disk drive enclosed within a waterproof enclosure that is encapsulated within a fire resistant ceramic box. A vent assembly is used to cool the disk drive, and insulation including phase change materials is used to maintain the internal temperature of the drive during normal operation and fire conditions. In addition, a second drive which is user removable is provided (the removable hard disk drive) that is used to mirror the data stored in the sealed drive. The two drives are configured in RAID1 configuration providing redundancy and protection against data corruption. The invention utilizes electronic sensors to detect potential damaging conditions, and upon such detection, power to the device is disconnected and software automatically causes an alarm message to be displayed at a host computer. The invention contains software to provide a graphical user interface that allows authorized personnel to monitor the device and enable security features such as when the disk drive can be removed, who can remove it, and when it can be accessed.
Owner:KISHON JAKOB
Electromagnetic skin treatment device
ActiveUS20150282878A1Easy to integrateAffect efficiency of hair removalSurgical instrument detailsMachines/enginesElectricityHair removal
A hand-held skin treatment device comprises a source of electromagnetic radiation, an energy supply electrically coupled to the source and a controller arranged to control the energy supplied to the source of electromagnetic radiation. The source, the energy supply and the controller are enclosed in a watertight housing allowing use of the hand-held skin treatment device in a wet environment. To provide sufficient cooling of the source, the device comprises an internal heat exchanger in heat conducting relation with the source, an external heat exchanger outside of the watertight housing, and a heat path from the internal heat exchanger to the external heat exchanger that passes hermetically through a wall of the watertight housing. With this device, users can conveniently integrate their skin treatment activities with the daily washing routine in a shower or bath. The device is especially useful in the context of hair removal.
Owner:KONINKLJIJKE PHILIPS NV
System and method for a sensor protection system
ActiveUS20210179025A1Protection from impactPrevent degradationPedestrian/occupant safety arrangementVehicle cleaningEmbedded systemElectrical and Electronics engineering
The present teaching relates to method and system for sensor protection. A sensor protection system includes an assembly having a first structure embedded in a second structure, wherein a sensor is firmly placed in the first structure for sensing information through the assembly and protected from negative impact of outside environment, and one or more devices mounted on the second structure for providing means to clean a slanted surface of the second structure through which the sensor senses the surrounding information, wherein the one or more devices can be individually or jointly activated as needed to clean the slanted surface in order to prevent degradation of information sensed by the sensor through the assembly.
Owner:PLUSAI INC
Integrated sample needle loading and stirring system
InactiveCN103941031ASimple structureImprove operational efficiencyMaterial analysisDrive wheelSystem structure
The invention discloses an integrated sample needle loading and stirring system which comprises a fixing seat (10), a stirring motor (1), a driving wheel (2), an eccentric wheel (4) and a sample needle (5), wherein the stirring motor (1) is fixed on the fixing seat (10); the eccentric wheel (4) is arranged on the fixing seat (10) through a first bearing (11); the sample needle (5) is arranged in an eccentric hole of the eccentric wheel (4) through a second bearing (6); the stirring motor (1) drives the eccentric wheel (4) to rotate through the driving wheel (2). The integrated sample needle loading and stirring system is simple and ingenious in structure and has the functions of sample loading, stirring and collision avoidance, and by using the system, equipment can be obviously simplified, and the working efficiency is improved.
Owner:SHENZHEN ICUBIO BIOMEDICAL TECH
Anti-collision method and device for isolated double protection pier with auxiliary pier
InactiveCN102286937AReduce construction costsReduce occupancyClimate change adaptationBridge structural detailsStructural engineeringWater level
An isolated double protection bridge pier anti-collision method and device with auxiliary piers, on both sides of the bridge pier, one or more auxiliary piers are arranged on both sides of the bridge pier along the bridge direction, the anti-collision device is installed on the auxiliary pier, the anti-collision device is not connected with the auxiliary pier The protected pier acts directly to prevent the impact force from being directly transmitted to the protected pier, and the main body of the anti-collision device adopts a buoyant structure, which can float up and down with the change of the water level, and can give sufficient protection in the vertical direction of the main pier; the use of the anti-collision device The anti-collision double protection for the protected pier is achieved by itself and the auxiliary pier; and guide wheels are installed at both ends of the outer anti-collision buoyancy tank. When the ship is colliding with the end of the anti-collision device, the guide wheel can adjust the direction of the bow to disperse the impact force , to protect the pier while reducing the damage to the anti-collision device. The invention is an anti-collision device for bridge piers with sufficient protection for bridge piers, elegant appearance, small occupied water area, low cost, easy installation and maintenance.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH
Portable apparatus with an accelerometer device for free-fall detection
ActiveUS20060150731A1Reduce thicknessProtection from impactRecord information storageAcceleration measurement in multiple dimensionsElectricityEngineering
A portable apparatus having an accelerometer device and a supporting element in the accelerometer device, having a first body of semiconductor material integrating a sensor element that detects movements of the first body and generates a signal correlated to the detected movement; a second body of semiconductor material that integrates a conditioning electronics and that is electrically connected to the first body; and conductive bumps that provide electrical connection of the first and second bodies to the supporting element. In particular, the conductive bumps connect the first and second bodies to the supporting element without the interposition of any packaging.
Owner:STMICROELECTRONICS SRL
Method for simultaneously realizing sampling, sample addition and stirring of sample needle
InactiveCN103926417AEasy to limitAccurate insertionMaterial analysisDrive wheelBiochemical engineering
The invention discloses a method for simultaneously realizing the sampling, sample addition and stirring of a sample needle. A fixed seat (10), a stirring motor (1), a driving wheel (2), an eccentric wheel (4) and the sample needle (5) are adopting, wherein the stirring motor (1) is fixed on the fixed seat (10); the eccentric wheel (4) is arranged on the fixed seat (10) through a first bearing (11); the sample needle (5) is arranged in an eccentric hole of the eccentric wheel (10) through a second bearing; the stirring motor (1) drives the eccentric wheel (4) to rotate through the driving wheel (2); the eccentric wheel drives the sample needle to stir liquid in a container during the sample addition or the sampling. The method for simultaneously realizing the sampling, sample addition and stirring of the sample needle is ingeniously implemented, the sample addition, stirring and collision prevention functions can be realized, equipment can be remarkably simplified, and the working efficiency can be improved.
Owner:SHENZHEN ICUBIO BIOMEDICAL TECH
Stopping structure and server having the same
A stopping structure and a server having the same are provided. The server includes a rack, at least one chassis, and a stopping structure. The chassis disposed in the rack moves relative to the rack. The stopping structure is disposed between the rack and the chassis. The stopping structure includes an actuator, a guiding element, and a damper. The actuator is disposed on the chassis. The guiding element is disposed on the chassis, and the actuator moves parallelly between a first position and a second position along the guiding element relative to the chassis. The damper is disposed in the rack. When the chassis is moved out from the rack and the actuator is at the first position, the damper is interfered with the actuator. When the chassis is moved out from the rack and the actuator is at the second position, the damper is not interfered with the actuator.
Owner:INVENTEC CORP
Industrial mat with molded core and outer abuse surfaces
ActiveUS20160222597A1Avoid shockEasy to manufactureSingle unit pavingsTemporary pavingsThermoplasticElastomer
An industrial mat having a core construction that provides strength and rigidity to the mat, an encapsulation of a durable skin of a thermoplastic, thermosetting or elastomeric material that surrounds the core construction, and upper and / or lower surfaces formed by a plurality of elongated members. The elongated members of the upper and / or lower surfaces are advantageously arranged in spaced relation in at least one layer and are attached together or to the core construction for protecting the durable skin from abrasion and impact during transport, installation and use of the industrial mat. The resulting industrial mat has a load bearing capacity that is able to withstand a load of at least 600 to 1000 psi without permanent deformation. The mats of the invention typically have a width of 2 to 12 feet, a length of 2 to 40 feet and an overall thickness of 2 to 18 inches.
Owner:QUALITY MAT
Method for adopting inverse suspension polymerization to prepare humic acid super absorbent resin
The invention discloses a method for adopting an inverse suspension polymerization to prepare humic acid super absorbent resin. The preparing method specifically comprises the first step of taking decomposed coal, and conducting grinding, sieving and drying treatment in sequence on the obtained decomposed coal to obtain decomposed coal powder; the second step of extracting humic acid in the decomposed coal powder through an oxido-degradation with a nitric acid method after obtaining the decomposed coal powder from the first step; the third step of using acrylic monomer and the humic acid from the second step as the raw material, using N,N'-Methylenebisacrylamide solution as a cross-linking agent, using potassium persulfate solution as an initiator, using span-60 as a dispersing agent and using a sodium hydroxide solution as a neutralizer, and preparing humic acid super absorbent resin through the inverse suspension polymerization in cyclohexane. According to the method for adopting the inverse suspension polymerization to prepare humic acid super absorbent resin, inverse suspension polymerization is adopted to prepare the humic acid super absorbent resin, decomposed coal humid acid is used as a raw material, the humic acid super absorbent resin is prepared on the basis of inverse suspension polymerization, and performance of water-absorbent resin is thus effectively improved.
Owner:XI'AN POLYTECHNIC UNIVERSITY
Electrically heated filter screens
ActiveUS20160311552A1Protection from impactFuel tank safety measuresTurbine/propulsion fuel heatingMaterials science
Owner:RTX CORP
Motor vehicle door with a lateral impact protection device
ActiveUS20070145772A1Produced simply and economicallyEasy to manufactureVehicle seatsDashboardsMotorized vehicleCar door
A motor vehicle door has a lateral impact protection device with a lateral impact beam and a fastening device to connect the lateral impact beam to a door part. The fastening device has a fastening bracket being a cast part and is connected to the door part. The fastening bracket has a fork-shaped seat for receiving the lateral impact beam. A holding bolt passes through the lateral impact beam and the fork-shaped seat. The fork-shaped seat contains at least two inner surfaces which face the lateral impact beam and lie opposite one another with a spacing and a fork bottom. For ease of production, the fork-shaped seat widens with its inner surfaces in its direction pointing away from the fork bottom. The inner surfaces are configured as unfinished cast surfaces, and the lateral impact beam has a trapezoidal cross section adapted to the widening seat.
Owner:DR ING H C F PORSCHE AG
Welding method for thin-walled titanium alloy spherical member
PendingCN112077440AAvoid accumulationAvoid buildup during solderingLaser beam welding apparatusShielding gasEngineering
The invention discloses a welding method for a thin-walled titanium alloy spherical member. The welding method is applied to a thin-walled titanium alloy spherical member; the spherical member comprises an upper hemispherical housing, a lower hemispherical housing, a connecting disc, a flange and a joint which are made of a titanium alloy material; the method comprises the following steps of: pre-processing the upper hemispherical housing, the lower hemispherical housing, the connecting disc, the flange and the joint; assembling the pre-processed upper and lower hemispherical shousings, connecting disc, flange and joint to obtain a spherical member; fixing the spherical member to a welding tool of a specific back inflation protection device, and introducing protective gas into the back inflation protection device to make sure that the oxygen content in a cavity of the back inflation protection device is lower than a preset threshold value; and conducting spot fixation on the joint weldseams concentrated according to stress in sequence from the inner ring to the outer ring, and conducting welding in a pulse-modulated laser swing welding mode according to the spot fixation sequence.The welding method disclosed by the invention solves the technical problem about relatively poor reliability of welding of thin-walled titanium alloy spherical members in the prior art.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
Method and system for safely destroying and recycling waste ammunition through ultrahigh-pressure water jet
InactiveCN110530225AIncrease moisture contentNo trigger for detonationAmmunitionBlastingUltra high pressureWastewater
The invention discloses a method and a system for safely destroying and recycling waste ammunition through ultrahigh-pressure water jet. The method and the system are characterized in that the methodcomprises the following steps that firstly, an explosion-proof safe area is arranged, and water cutting equipment, high-pressure flushing equipment and ammunition clamping equipment are installed in the explosion-proof area; secondly, ammunition needing to be destroyed is clamped on the ammunition clamping equipment through a manual or automatic clamping technology; thirdly, the projectile body iscut through ultrahigh-pressure water jet; fourthly, cutting jet flow of the high-pressure water cutting head is closed, the high-pressure flushing head is automatically aligned with the ammunition storage cavity, and explosives in the ammunition storage cavity are flushed out of the storage cavity and enter the workbench water tank; and the second step to the fourth step are repeated to completethe cutting separation of the next ammunition and the recovery of the ammunition body material; and fifthly, the ammunition dehydration device is connected with the workbench water tank, so that the explosives are separated from water, the separated explosives are dried and recycled, and separated wastewater is treated and then discharged. The method is simple, safe and efficient.
Owner:陈波
77GHz vehicle-mounted radar low sidelobe microstrip array antenna with shielding cover
PendingCN110828978AReduce performanceHigh gainAntenna adaptation in movable bodiesRadiating elements structural formsMicrostrip array antennaRadar antennas
The invention relates to a 77GHz vehicle-mounted radar low sidelobe microstrip array antenna with a shielding cover. The antenna comprises a dielectric substrate, a radiation antenna array, a feed structure and the shielding cover; the radiation antenna array and the feed structure are arranged on one surface of the dielectric substrate; the feed structure comprises a power divider and a feed microstrip line; the input end of the power divider is connected with an external radio frequency chip through the feed microstrip line, and the output end of the power divider is connected to the radiation antenna array through the feed microstrip line; and the shielding cover is fixed on the dielectric substrate and covers the power divider. The antenna has the beneficial effects that the shieldingcover is arranged on the feed structure, so that the influence and interference of environmental radiation on the working state of the radar antenna are effectively prevented, large-angle radiation leakage is shielded, and the gain and low sidelobe performance of the array antenna are improved. Meanwhile, the antenna also has the advantages of high stability, low cost, array antenna protection andthe like.
Owner:NANJING DESAY SV AUTOMOTIVE CO LTD
Motor vehicle door with a lateral impact protection device
ActiveUS7325862B2Produced simply and economicallyEasy to manufactureVehicle seatsDashboardsEngineeringCar door
Owner:DR ING H C F PORSCHE AG
Packing for injection device
InactiveCN101384287AProtection from surrounding environmentProtection from impactMedical devicesInfusion needlesMedicineInjection equipment
Owner:UNOMEDICAL AS
Ocean wind power foundation safety monitoring platform and monitoring method
ActiveCN113431108AReal-time monitoring of water depthAvoid interruptionFoundation testingCharacter and pattern recognitionLandformSafety monitoring
The invention discloses an ocean wind power foundation safety monitoring platform and a monitoring method. The monitoring platform comprises a first multi-wave-velocity depth finder and an integrated system, the output end of the first multi-wave-velocity depth finder is connected with the integrated system, the first multi-wave-velocity depth finder is installed on a first guide rail, and the first guide rail is installed on the peripheral face of a fan pile foundation; the multi-wave-velocity depth finder is used for measuring the water depth around the pile foundation and transmitting the water depth to the integrated system, topographic changes around the pile foundation are monitored in real time through an underwater double-track multi-channel ultrasonic depth finder, the scouring problem is reflected through data fusion and comparison with a regional AI technology for regular scanning measurement, the moving speed of a whole seabed is eliminated, and meanwhile, the influence of scouring on the safety of a fan is found by comparing actually measured safety data of the fan.
Owner:华能烟台新能源有限公司 +1
Experimental method for measuring avoidance capability of fishes using tributaries under supersaturated stress of dissolved gas
InactiveCN109287531AAccurate assessment of adverse effectsImpact Accurate EvaluationClimate change adaptationPisciculture and aquariaSupersaturationProduct gas
The invention relates to an experimental method for measuring the avoidance capability of fishes using tributaries under supersaturated stress of dissolved gas. The method includes the following stepsof a, selecting experimental samples; b, preparing an experimental model; c, selecting experimental equipment; d, adjusting the concentration of water in a dissolved gas supersaturation water tank ofa main tank to the specified dissolved gas supersaturation concentration; e, using a water pump for introducing the water in the dissolved gas supersaturation water tank into the main tank and adjusting the water to a determined flow rate; f, using the water pump for introducing a clean water tank into a branch tank to adjust the flow rate of water in the clean water tank to be identical to thatof water in the main tank; g, placing the fishes at a mesh plate at the downstream tail end of the main tank and observing the avoidance conditions of the fishes. According to the experimental methodfor measuring the avoidance capability of the fishes using tributaries under the supersaturated stress of the dissolved gas, through a simple experimental device and professional instruments and equipment, relatively accurate measurement results are obtained; in this way, basic parameters are provided for an avoidance space creation engineering design conveniently.
Owner:SICHUAN UNIV
Train operation monitoring device with novel design structure
ActiveCN110254472AProtection from impactAchieve strippingSignalling indicators on vehicleDisplay deviceCommunication boards
The invention provides a train operation monitoring device. The train operation monitoring device comprises a monitoring host, a screen display and external extension equipment; the monitoring host comprises a host board, a communication board, a locomotive signal communication board, a simulating board, an input board, an output board, a recording board and a power supply board; the host board completes mutual communication with the communication board, the locomotive signal communication board and the simulating board through an internal CAN bus; the host board accesses the input board and the output board through a parallel interface; the host board communicates with the screen display through an external CAN bus; the external extension equipment is connected with the communication board through an extension equipment CAN bus; and a recorder board is connected with the internal CAN bus and the external CAN bus simultaneously. The train operation monitoring device has the following technical advantages: in a new monitoring host structure, system internal communication and external communication buses are isolated, so that the influence on the internal part of the system by system external interference is effectively protected; meanwhile, a recording function is independently completed through bus monitoring, so that stripping of a control function and the recording function is realized.
Owner:BEIJING JIAODA SIGNAL TECH
Energy-efficient railway traction power supply system
ActiveCN106394317AMeet the needs of the loadReduce risk of damagePower supply linesSingle network parallel feeding arrangementsPower gridTraction transformer
The invention discloses an energy-efficient railway traction power supply system, comprising a photovoltaic power station, a three-phase photovoltaic inverter, an YNd11 wiring boosting transformer, a traction transformer and a traction power supply system. The power output terminal of the photovoltaic power station is connected to the primary side port of the YNd11 wiring boosting transformer through the three-phase photovoltaic inverter, the secondary side port of the YNd11 wiring boosting transformer is connected to the traction power supply system, and the traction power supply system is also connected to the traction transformer connected to a power grid transmission line. The YNd11 wiring boosting transformer adopts an YNd11 wiring boosting transformer. According to the invention, the generation form of self-generation for self-use and residual power for grids is adopted, the residual power is consumed by grids under the condition of guaranteeing the normal operation of the traction power supply system, the structure is simple, and the investment cost is low.
Owner:CGN WIND ENERGY +1
Foldable logistics box
ActiveCN108639568AEasy to storeEasy to collectPackage recyclingContainers to prevent mechanical damageEngineering
The invention belongs to the technical field of logistics packaging and particularly relates to a foldable logistics box. The foldable logistics box comprises a box body formed by defining a bottom wall and four side walls and a box cover detachably connected with the upper end of the box body. The bottom edges of the four side walls of the box body and the four side edges of the bottom wall are connected in a hinged mode and can be turned over towards the surface where the bottom wall is located. A limiting part is arranged between every two adjacent side walls and can prevent the two adjacent side walls from being turned over far away from the bottom wall when the adjacent sides of the two adjacent side walls collinear. The logistics box is convenient to store, reusable and capable of avoiding unnecessary resource wasting, the disposal difficulty of express waste is effectively reduced, and the foldable logistics box has the positive effect on environmental protection. The logisticsbox is of a foldable structure and can be collected and stored by an addressee so as to be uniformly returned to an express company.
Owner:安徽企路石工程技术开发有限公司
Carbon dioxide supercritical fluid extraction device with heat recovery function
PendingCN112933650AWell mixedShort reaction timeDispersed particle filtrationSolid solvent extractionCo2 storageEngineering
The invention provides a carbon dioxide supercritical fluid extraction device with heat recovery, which comprises an extraction tank, the output end of a first connecting pipe is in pipe connection with a separation box, the bottom end of the separation box is in pipe connection with a second discharge pipe, the output end of a second connecting pipe is in pipe connection with a carbon dioxide storage tank, and a third connecting pipe is in pipe connection with a booster pump. A heat exchanger is connected to the third connecting pipe and located on one side of the booster pump through a pipe, an extraction barrel is arranged in the extraction tank, a rotating mechanism is arranged in the extraction tank and located on the top of one side of the extraction barrel, a rotating ring is rotationally connected to the side wall of the extraction barrel, and a supporting ring is slidably connected between the bottom of the side wall of the extraction barrel and the inner wall of the extraction tank; and the carbon dioxide supercritical fluid extraction device has the beneficial effects that the extraction time and the gas-liquid separation time are shortened, the extraction efficiency is improved, the separation effect is improved, the carbon dioxide can be recycled, and the emission of the carbon dioxide is reduced.
Owner:QINGHAI NORMAL UNIV
Prefabricated cabin door with double-sealing structure
InactiveCN112593826AProtection from impactWindow/door framesCondensed water drain-offClassical mechanicsEngineering
The invention relates to a prefabricated cabin door with a double-sealing structure and belongs to the technical field of sealing structures of cabin doors. The prefabricated cabin door with the double-sealing structure comprises a cabin door body, the cabin door body is arranged in a door frame, one side of the cabin door body is hinged into the door frame, a first sealing ring and a second sealing ring are arranged on the door frame in the circumferential direction, the second sealing ring is arranged in the first sealing ring, and the corners of the first sealing ring and the second sealingring are connected through a U-shaped flow guiding groove. The prefabricated cabin door has the beneficial effects that the two layers of sealing rings are arranged to prevent outdoor sand, dust or water from influencing a cabin body layer by layer; and after the cabin door is closed, the dust or the water enters a gap between two sides of the cabin door and is discharged from the bottom of the door through the flow guiding groove.
Owner:XINJIANG TBEA AUTOMATIC EQUIP
Ablation-resistant polyphenylene sulfide composite material and preparation method thereof
The invention discloses an ablation-resistant polyphenylene sulfide composite material and a preparation method thereof, and belongs to the technical field of ablation-resistant materials. The polyphenylene sulfide composite material mainly comprises the following components: polyphenylene sulfide resin, alkali-free glass fibers and polyadipoyl m-xylylenediamine. The preparation method comprises the following steps: firstly melting and mixing polyphenylene sulfide resin and alkali-free glass fibers, then adding polyadipoyl m-xylylenediamine for secondary melting and mixing, cooling, curing anddicing to obtain a target product. The polyphenylene sulfide composite material obtained by the preparation method can bear high-temperature and high-pressure effects generated in a micro-arc oxidation process, has good ablation resistance, and is simple in preparation process.
Owner:SUZHOU NAPO ADVANCED MATERIAL TECH CO LTD
Composite lithium membrane and lithium ion battery pole piece of diaphragm and preparation method thereof
InactiveCN107845757AProtection from impactImprove first-time efficiencyCell seperators/membranes/diaphragms/spacersSecondary cellsPole pieceEngineering
The invention discloses a composite lithium membrane and a lithium ion battery pole piece of a diaphragm. By compositing the lithium membrane at two sides of the battery pole piece, first efficiency of the battery pole piece after the battery is produced is increased, irreversible capacity in the battery is decreased, energy density is increased; at the same time, the diaphragm is composited at outside of the lithium membrane, influence of environment on the lithium membrane can be effectively protected, and safety is greatly increased. The invention also provides a method for preparing the composite lithium membrane and the lithium ion battery pole piece of the diaphragm, by prefabricating a lithium membrane composite sheet, security during production is guaranteed, through a stitching mechanism, a lithium membrane lamination step is realized during a winding process of the battery pole piece, winding difficulty is greatly reduced, and the winding efficiency is enhanced.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY
Treatment method of acid-containing tail gas of chlorohydrination reaction
InactiveCN104607024AReduce material requirementsLow investment costDispersed particle separationChemical/physical/physico-chemical processesVapor–liquid separatorGas phase
The invention relates to a treatment method of acid-containing tail gas of chlorohydrination reaction. The treatment method comprises the following steps: removing hydrogen chloride and residue chlorine of the acid-containing tail gas of chlorohydrination reaction through an alkaline washing tower firstly, cooling by a circulation gas cooler, removing liquid-phase components in a gas-liquid separator, introducing gas-phase components into a circulation gas blast blower for increasing the pressure, then mixing with chlorine gas and industrial water, and introducing the mixture into a second chlorohydrination tower for reaction, introducing the chlorine gas and hydrogen chloride which do not react at the top of the chlorohydrination tower into the washing tower, spraying industrial water to wash and absorb the gas, then exhausting non-condensable gas. The treatment method of acid-containing tail gas of chlorohydrination reaction is simple and convenient in process, low in equipment cost, good in production environment and low in overall device investment.
Owner:CHINA TIANCHEN ENG +1
Double-faced pressure-sensitive adhesive sheet
InactiveUS20130196142A1Improve adhesionImprove removabilityLayered productsThin material handlingPolymer chemistryAcrylic polymer
Provided is a double-faced PSA sheet comprising a first PSA layer formed of a first PSA composition comprising an acrylic polymer PA as a base polymer and a second PSA layer formed of a second PSA composition comprising an acrylic polymer PB as a base polymer provided respectively on a first face and a second face of a substrate. The weight average molecular weights MwA and MwB of the dried THF-soluble portions of the first and the second PSA compositions satisfy the next inequalities: MwA≧80×104; MwB<80×104; (MwA−MwB)≧10×104.
Owner:NITTO DENKO CORP
Engine cover locking mechanism
InactiveCN104085453AAvoid abnormal openingRealize automatic openingSuperstructure subunitsAutomotive engineeringHinge angle
The invention relates to an engine cover locking mechanism. The engine cover locking mechanism comprises an engine cover, a hinge, an engine cover lock and an engine cover position switch. The engine cover lock and the engine cover position switch are mounted on the engine cover; the hinge comprises a fixed leaf, a movable leaf, a hinge pin and an electromagnetic executing device, wherein the fixed leaf and the movable leaf are mounted on a vehicle body, the fixed leaf is provided with a fixed leaf limiting hole, the movable leaf is provided with a movable leaf limiting hole, the movable leaf and the fixed leaf are hinged to each other, and the electromagnetic executing device is fixedly connected with the fixed leaf and connected with the hinge pin. The engine cover locking mechanism has the advantages of not only meeting regulatory requirements, but also achieving automatic starting of engine cover locking, thereby bring great convenience to users, and meanwhile, due to the fact that the locking mechanism is arranged on the hinge, avoiding influence on protection of pedestrians in front of the engine cover.
Owner:卢世清
Method for decomposing phosphogypsum to produce SO2
InactiveCN103288056AThe process is simple and reasonableGood sealing performanceChemical industrySulfur compoundsProcess engineeringSulfuric acid
Relating to the technical field of production of sulfuric acid from phosphogypsum and co-production of cement, the invention discloses a method for decomposing phosphogypsum to produce SO2 so as to solve the technical problems that excessive energy consumption of phosphogypsum decomposition and too high sulfuric acid preparation cost in the prior art restrict the development, utilization and industrialization of phosphogypsum. The method includes: adopting a vertical retort as main production equipment, adding a mineralizer into phosphogypsum, mixing the obtained mixture with coke in a weight ratio of 22.67:1, carrying out milling, homogenizing, pelletizing and drying, adding dry pellets into the vertical retort, taking coal gas as the fuel to preheat the vertical retort to600DEG C-700DEG C by flame isolation heating so as to enter a reduction section, raising the temperature to 820DEG C, conducting heat preservation for 1 hour and 20 minutes, letting a draught fan lead furnace gas out, and performing two-stage dedusting, thus obtaining the needed product SO2. The energy consumption of the method accounts only 45%-50% of that of the prior art. Thus, the method provided in the invention plays an energy-saving and emission reduction role in subsequent production of sulfuric acid and co-production of cement.
Owner:昆明隆青化工有限公司
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