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41results about How to "Prevent backflow from entering" patented technology
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Top entry low temperature ball valve
InactiveCN103591326AGuaranteed sealing performanceGood sealing effectPlug valvesBall valveEngineering
The invention discloses a low temperature ball valve, in particular to a top entry low temperature ball valve. The top entry low temperature ball valve comprises a valve body, a sphere, a valve rod and an actuator, wherein the valve body is provided with an inlet and an outlet, a cavity is formed inside the valve body, the sphere is arranged in the cavity of the valve body, the upper portion of the valve body is fixedly connected with a valve deck through a bolt, one end of the valve rod is connected with the sphere, the other end of the valve rod is connected with the actuator, the actuator drives the sphere to rotate through the valve rod so that the ball valve can be opened or closed, an inlet valve seat is arranged between the inlet of the valve body and the sphere, a single-lip-type seal ring is arranged on the left side of the inlet valve seat, an outlet valve seat is arranged between the outlet of the valve body and the sphere, and a double-lip-type seal ring is arranged on the right side of the outlet valve seat. According to the top entry low temperature ball valve, the unique design of the inlet valve seat and the outlet valve seat is adopted, and the properties of the lip-type seal rings are utilized so that the sealing performance of the top entry low temperature ball valve can be extremely improved; meanwhile, the service life of the valve can also be prolonged.
Owner:JIAOCHENG COUNTY XINSHENG MACHINERY
Copper dissolving tank for 6-micrometer copper foil production
ActiveCN110117812APrevent backflowPrevent backflow from enteringCellsRotary stirring mixersMicrometerControl arm
The invention discloses a copper dissolving tank for 6-micrometer copper foil production. The copper dissolving tank comprises a liquid spraying bin, a stirring bin and a liquid discharging valve which are connected in sequence, and further comprises a driving mechanism. The copper dissolving tank has the beneficial effects that the stirring operation and the liquid discharging operation are actually controlled through one and the same motor, and the resource distribution for a stirring shaft and the liquid discharging valve can be achieved through a clutch; a shielding ring in the liquid spraying bin is used for shielding liquid feeding pipes, so that dust and other impurities can be prevented from entering the liquid spraying bin during the off-work process as well as an acid liquid canbe prevented from flowing back into sulfuric acid liquid spraying pipes; the liquid discharging valve is controlled through control arms, so that the transverse rotation of a gear plate used for transferring the motor can be converted into the turning of a valve; and the entire copper dissolving tank takes both the sulfuric acid liquid spraying operation and the reaction liquid stirring operationinto account, and the rotation switchover between the stirring shaft and the valve is performed through an air cylinder, so that the copper dissolving efficiency can be effectively improved.
Owner:GUANGDONG FINE YUAN SCI TECH CO LTD
System for connecting supply lines
ActiveCN101080333APrevent backflow from enteringTractor-trailer combinationsTowing devicesCoupling systemSemi-trailer
The invention relates to a system for connecting supply lines (1) between a tractive vehicle (2) and a semi-trailer (3) that can be coupled to the latter, a semi-trailer coupling (4) and an automatic line coupling system (5) comprising at least one connector jack (6) being situated on the tractive vehicle (2) and the semi-trailer (3) having at least one supply circuit (7) comprising a first supply console (8) for connecting to the tractive vehicle (2) and for receiving a plug-in element (9) that is located on at least one supply line (1) of the tractive vehicle (2) and / or a plug (10) that is configured to fit the connector jack (6). The aim of the invention is to provide a system for connecting supply lines (1) for tractive vehicles (2), comprising an automatic line coupling system (5) that permits the coupling of conventional semi-trailers (3). To achieve this, a second supply console (11) is located on the tractive vehicle (2) and is permanently connected to the connector jack (6) of the line coupling system (5) and the plug-in element (9) can be selectively connected to the first or second supply console (8, 11).
Owner:JOST WERKE GMBH
Waste heat recovery energy-saving device applicable to boiler chimney and chimney comprising same
ActiveCN103438472AImprove heat transfer efficiencyEfficient recyclingCombustion technology mitigationStationary tubular conduit assembliesEngineeringWaste heat recovery unit
The invention aims to provide a waste heat recovery energy-saving device applicable to a boiler chimney and a chimney comprising the same. The waste heat recovery energy-saving device applicable to the boiler chimney comprises an upper conducting ring and a lower conducting ring, wherein a heat exchange pipe is mounted between the upper conducting ring and the lower conducting ring; the upper conducting ring and the lower conducting ring both are in hollow structures, and are communicated with the heat exchange pipe; the upper conducting ring is fixed in an upper position inside the chimney through an upper connecting plate; the lower conducting ring is fixed under a lower position inside the chimney through a lower connecting plate; a water inlet and a water outlet are formed in the upper conducting ring, respectively. The chimney comprising the waste heat recovery energy-saving device applicable to the boiler chimney is characterized in that the section of the inner wall of the chimney is circular, the diameter of the inner wall of the chimney at the upper conducting ring is greater than the diameter of the inner wall of the chimney at other part, and the upper end portion of a guide rail is located at the upper conducting ring. The waste heat recovery energy-saving device applicable to a boiler chimney is capable of increasing the temperature difference during heat exchange; therefore, the temperature rise speed of water in the heat exchange pipe is increased.
Owner:HARBIN ENG UNIV
Oil-immersed transformer containing treating device
PendingCN108831698AImprove performanceReduce contentTransformers/inductances coolingFiltration circuitsDistribution transformerTransformer oil
The invention belongs to the field of power distribution transformers, and particularly relates to an oil-immersed transformer containing a treating device. In the using process, a gaseous cavity inside a shell of the transformer can be eliminated, the performance of the transformer is improved, due to the fact that gaseous impurities such as water vapor generated by heating of water can rise along an oiling cylinder and an exhaust sleeve and exhaust from an exhaust hole in the using process of the transformer, simultaneously, oiling towards the interior of the transformer from the interior ofan oiling pipe is performed, so that old transformer oil can enter into the interior of a purification device from an oil outlet of the exhaust sleeve, purification treatment is carried out on the old transformer oil, circulation purification application of the transformer oil is realized in a sealed environment, and the content of maintenance work of the transformer is reduced.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH +1
Disc-type aerator
InactiveCN105585144AImprove fatigue strengthExtend your lifeWater aerationSustainable biological treatmentEngineeringCheck valve
The invention relates to a disc-type aerator, which includes, from top to bottom successively, a spiral press cover, a membrane sheet, a flow guide supporting board, and a base. A hole-valve-integrated check valve is disposed between the flow guide supporting board and the base. The membrane sheet includes a first membrane sheet and a second membrane sheet thereon. A plurality of first bar-shaped micro-pores is formed in the first membrane sheet and a plurality of second bar-shaped micro-pores is formed in the second membrane sheet. The first bar-shaped micro-pores and the second bar-shaped micro-pores are disposed in an up-and-down correspondingly staggered manner with central points of all the micro-pores in the same line. An inverted saddle-shaped wedge board is disposed under the base. The disc-type aerator is simple in structure, is convenient to assemble or disassemble, is not liable to block, is good in sealing, can effectively prevent backflow of water, is large in effective aeration area, is significantly improved in anti-fatigue strength, reduces aeration resistance and is prolonged in service life.
Owner:YANCHENG HUAWEI CASTING MACHINERY
Grain storage box with moth prevention, detoxification and sterilization functions
InactiveCN108174699AEasy to useHas the function of insect repellent, detoxification and sterilizationAgriculture tools and machinesSeed preservation by irradiation/electric treatmentMotor protectionEngineering
The invention discloses a grain storage box with moth prevention, detoxification and sterilization functions. The grain storage box comprises a box body, a grain inlet pipe is fixedly connected to themiddle of the upper surface of the box body, a cover is in threaded connection with the end, away from the box body, of the grain inlet pipe, screw holes are formed in one side of the upper surface of the box body, bolts are in threaded connection in the screw holes, the box body is fixedly connected with a protection shell through the bolts, an ozone generator is fixedly installed in the protection shell, an air inlet pipe is fixedly connected to the side, close to the box body, of the ozone generator and penetrates through the top of the box body to extend into the box body, a one-way movable valve is fixedly connected to the end, close to the ozone generator, of the air inlet pipe, a partition plate is fixedly connected to the bottom end in the box body, and a motor protection case isfixedly connected to the middle of the upper surface of the partition plate. The grain storage box with moth prevention, detoxification and sterilization functions has the advantages of being convenient to use, good in moth prevention effect, convenient to move and the like.
Owner:ANHUI DAYI GRAIN & OIL FOOD
Through-flow vacuum seawater desalination plant and method thereof
InactiveCN1778693AImprove thermal efficiencyEliminate cyclic power consumptionGeneral water supply conservationSeawater treatmentVapor–liquid separatorSoftened water
A through-flow vacuum seawater desalination plant and method are disclosed. Seawater pump is communicated with seawater tower by pipeline, seawater tower is connected with degassing tank, which is communicated with multi-effect tank, single decalcification softening tank, boiler and heat exchanger, multi-effect tanks are connected serially, which are communicated with condenser, condenser is communicated with gas-liquid separator, condenser is connected with gas-liquid separator or heat exchanger, and multi-effect tank is connected with concentrating tank. The process is carried out by vacuum supplying from multi-effect tank, pre-dipping fresh water outlets in fresh water pool, locating gas extraction opening at the top with level 10 meters above fresh water pool, shutting vacuum pump after vacuum supplying, opening softened water outlet valve with single decalcification, entering softened water into 1-N effect, flowing it into concentrated tank, reaching level of concentrated tank to certain position, operating concentrated tank and evaporating.
Owner:蔡梅初
Rainwater collecting, storing and filtering device
InactiveCN105971058AGood filtering effectEasy to cleanFatty/oily/floating substances removal devicesSewerage structuresRainwater harvestingEngineering
The rainwater collection, storage and filtration device includes a vertical cylinder; a horizontal water outlet is provided at the bottom of the cylinder, and a filter mesh cylinder is arranged inside the cylinder, and the diameter of the mesh cylinder is the same as the inner diameter of the cylinder; the filter cylinder is lower than or higher than At the height of the cylinder, the lower end of the filter cylinder covers the water outlet; when the filter cylinder is higher than the height of the cylinder, the upper end of the filter cylinder is convex arc-shaped; when the filter cylinder is lower than the height of the cylinder, the upper end of the filter cylinder for the plane. The invention can be used together or integrated with the existing device for collecting rainwater by discarding flow, and can prevent municipal drainage pipe network from flowing backward into the rainwater collection storage module. The invention can efficiently filter out leaves, plastic bags, etc., will not easily cause garbage blockage, and is particularly convenient for cleaning, ensuring high-quality rainwater collection.
Owner:江阴市星宇塑胶有限公司
Mooring multi-rotor unmanned aerial vehicle power management device and method
PendingCN114180094AProtect dronesExtend your lifeCircuit monitoring/indicationDifferent batteries chargingElectric machineryAutomotive engineering
The invention discloses a power management device and method for a mooring multi-rotor unmanned aerial vehicle, and the power management device serves as a management device for a main power supply and a standby power supply when the mooring multi-rotor unmanned aerial vehicle flies, and comprises a main control unit, a reverse irrigation prevention unit, a reverse electromotive force absorption unit, a charging unit, a main power supply and an airborne lithium battery. The charging unit is used for providing constant-current and constant-voltage charging for the airborne lithium battery through the main power supply; the anti-backflow unit is used for preventing large current from flowing back into the airborne lithium battery when the main power supply outputs the large current; the back electromotive force absorption unit is used for absorbing back electromotive force generated by a motor on an arm of the mooring multi-rotor unmanned aerial vehicle into an airborne lithium battery; the main control unit is used for acquiring voltage, current and temperature data of the airborne lithium battery in real time through an I2C bus; and the state information of the airborne lithium battery, the charging current, the anti-backflow state and the number of times of reverse electromotive force absorption are fed back to the mooring multi-rotor unmanned aerial vehicle ground station through a CAN bus interface.
Owner:中国兵器装备集团自动化研究所有限公司 +1
High-pressure cleaning machine with novel water outlet device
ActiveCN104525515AOutstanding and Beneficial Technical EffectsQuick assemblyCleaning using liquidsEngineeringIntegrated design
The invention provides a high-pressure cleaning machine with a novel water outlet device and belongs to the technical field of high-pressure cleaning machines. The problems that a water outlet device of an existing structure is high in production cost, complex in structure and inconvenient for users to use in the integrated design or split design are solved. The high-pressure cleaning machine with the novel water outlet device is characterized in that a water outlet channel of a high-pressure pump is connected with a water outlet pipe, the output end of the water outlet pipe is connected with a high-pressure water pipe, the water outlet pipe is communicated with a water return pipe connected with a high-pressure pump water return channel, an overflowing valve is fixed in the water return pipe, the water outlet channel and the water outlet pipe are connected or fixed through a clamping pin, the water outlet pipe and the high-pressure water pipe are connected or fixed through a clamping pin, the water return channel and the water return pipe are connected or fixed through a clamping pin, the interior of the water return pipe and the overflowing valve are connected or fixed through a clamping pin, and the water outlet pipe and the water return pipe are of a structure integrally formed by plastics in an injection molding mode. The high-pressure cleaning machine has the advantages that the plastic manufacturing cost is low, the effects of gun closing and pressure maintaining and backflow prevention are achieved, and insulation is safe.
Owner:LUTIAN MASCH CO LTD
A high-pressure cleaner with a new water outlet device
ActiveCN104525515BQuick assemblyCompact structureCleaning using liquidsWater dischargeIntegrated design
Owner:LUTIAN MASCH CO LTD
Infusion bag reminding and speed limiting device
InactiveCN108744151AGuaranteed to workRelieve pressureMedical devicesFlow monitorsBottleLight signal
Provided is an infusion bag reminding and speed limiting device. The infusion bag reminding and speed limiting device is characterized by comprising an infusion bag, a drip capsule and a drip tube; adetector and a speed limiter are connected through a connection line, the detector is clamped at the bottle mouth of the infusion bag, and the speed limiter is clamped on the drip tube; a light emitter and a light receiver are arranged on the portions, at the two ends of the bottle mouth of the infusion bag, on the detector and used for emitting and receiving light signals, and the speed limiter controls the flow speed of medicine liquor in the drip tube after receiving the signals of the detector; when the light emitter and the light receiver are arranged at the two ends of bottle mouth of the infusion bag, a light emitting element in the light emitter aslant emits light to the bottle mouth of the infusion bag. The infusion bag reminding and speed limiting device aims at avoiding the defect that people need to pay attention to new change of the medicine liquor in the infusion bag multiple times for a long time by themselves, and burdens of patients, patient families and nurses are reduced.
Owner:邓润丹
Infusion reminder
ActiveCN104491953AReduce negative pressureIncrease air pressureFlow monitorsFlow controlMedicineAirbag
An infusion reminder mainly comprises a reminder and an isolator, wherein the reminder is hung on an infusion bag for use. Through application of the isolator, when medicinal liquid in the infusion bag is used up, air pressure above the medicinal liquid can be increased through downward deformation of an airbag, so that on one hand, the speed of the medicinal liquid injected into a human body is lowered and a nurse has enough time to take away or change the infusion bag, and one the other hand, blood can be prevented from backflowing into a dropper. An infusion apparatus is disposable, but the reminder is required to be reused, and in order to avoid cross infection which is possibly caused by connection between the infusion apparatus and the reminder, the disposable isolator is arranged between the reminder and the infusion apparatus, so that the cross infection which is possibly caused by the connection between the infusion apparatus and the reminder can be effectively prevented.
Owner:常熟在路上创业孵化器有限公司
Rain-proof charging pile
PendingCN106541848AAvoid enteringSimple structureCharging stationsCouplings bases/casesEngineeringMobile phone
The invention provides a rain-proof charging pile. The rain-proof charging pile comprises a shell and a charging socket. The shell is hung on a fixed object. A recessed part is arranged on the bottom face of the shell. The socket is arranged in the recessed part of the bottom face of the shell, and a downward baffle is arranged on the periphery of the bottom face of the charging socket. A control panel is arranged on the side face of the shell. The control panel is a waterproof electronic screen. The bottom of the shell is connected with an electric wire clamping part. The electric wire clamping part comprises a rod used for connecting the shell, and the rod is provided with a fixing clamp. The socket is arranged in the recessed part of the bottom, and rainwater can be prevented from flowing back into the socket. The socket and the baffle are arranged at the bottom and cannot be impacted and damaged easily. By means of IC card swiping or mobile phone app recharging, operation is made convenient and easy; and the clamping part is arranged at the bottom and used for fixing an electric wire, and thus the electric wire cannot fall off easily. The rain-proof charging pile has the beneficial effects of being simple in structure, capable of not being damaged easily, safe and reliable, and capable of preventing rainwater from entering the socket.
Owner:ZHENJIANG BUYUN ELECTRONICS
Transfusion bag prompting and speed limiting device
InactiveCN106492304AGuaranteed to workRelieve pressureMedical devicesFlow monitorsEngineeringLight signal
A transfusion bag prompting and speed limiting device includes a transfusion bag, a dripping bag, and a dripping pipe; a detector and a speed limiter are connected by a connection line; the detector is clamped on a bottle opening of the transfusion bag; the speed limiter is lamped on the dripping pipe; two ends for clamping the bottle opening of the transfusion bag, of the detector are provided with a light-emitting device and a light-receiving device respectively; and the light-emitting device and the light-receiving device are used for emitting and receiving a light signal respectively. The transfusion bag prompting and speed limiting device can avoid the situation that a man must see new change of medicine liquid in the transfusion bag for long time and many times, and can reduce burden of patients, patient family members and nurses.
Owner:邓润丹
A lifting-free oil receiving mechanism for automobile maintenance
ActiveCN111765364BReceive inefficiencyClosely connectedVehicle componentsLubrication elementsOil canControl engineering
The invention discloses a hoist-free engine oil receiving mechanism for automobile maintenance, which relates to the technical field of automobile maintenance; in order to solve the problem of improving the recovery method; it specifically includes a bottom plate, an exhaust assembly and a recovery mechanism, and the recovery mechanism includes a diversion component, The sealing assembly and the spray head assembly, the diversion assembly includes the first screw sleeve and the main sleeve, the inner wall of the first screw sleeve is connected to the outer wall of the main sleeve through threads, the inner wall of the main sleeve is sleeved with an inflatable tube, and the inflatable tube is connected to the inlet through the sealing assembly. Air pipe, the outer wall of one end of the intake pipe is connected to the second hose, and one end of the second hose is fixedly connected to the air pump. A second threaded sleeve is connected by threads, and the outer wall at one end of the second threaded sleeve is attached to the outer wall of the main casing. The present invention can separate the recovered oil from the inflation pipeline by arranging the main casing and the auxiliary casing.
Owner:台州霆麦网络科技有限公司
Piston and anchor rod for preventing anchor agent from returning and method
ActiveCN113417680AAvoid anchorage length reductionSimple structureAnchoring boltsStructural engineeringWasher
The invention discloses a piston and an anchor rod for preventing an anchor agent from returning and a method. The piston for preventing the anchor agent from returning comprises a bolt, a spring buckle, two sealing washers and nuts, wherein the spring buckle, the two sealing washers and the nuts are arranged on the bolt; the spring buckle is arranged at the tail end of the bolt; the first nut is arranged between the two sealing washers; and the second nut is arranged at the head of the bolt. The piston can prevent the anchor agent from flowing back into the rod and avoid the reduction of the anchoring length; the anchor agent is prevented from flowing back into the rod body by adopting the spring buckle, the structure is simple, and the effect is stable and reliable; double-layer sealing can effectively seal high-pressure water and keep the piston rod centered, so that the piston is prevented from being eccentric in the rod and influencing the use; a barb of the spring buckle is helpful to scratch the anchor agent in the stirring process of the anchor agent, so that the stirring effect of the anchor agent is improved; and the piston sealing structure adopts an isolated double-rubber flat washer, so that on the one hand, when the anchor rod is floating, the piston can be well matched with the inner hole of the rod body without influencing the sealing.
Owner:CHINA RAILWAY LONGCHANG MATERIALS
Three-boiler type municipal domestic waste incinerator air and flue gas system
PendingCN111678135APrevent backflowPrevent backflow from enteringIndirect carbon-dioxide mitigationBlast-producing apparatusFresh airEngineering
The invention discloses a three-boiler type municipal domestic waste incinerator air and flue gas system, and relates to a waste incineration treatment system. The system comprises a waste storage pit; the waste storage pit is connected with a deodorization device I, a deodorization device II, a primary air blower I, a primary air pre-heater I, an incineration boiler I, a primary air blower II, aprimary air pre-heater II, an incineration boiler II, a primary air blower III, a primary air pre-heater III and an incineration boiler III through pipelines; a fresh air blower device is further connected onto the pipelines and is connected with the primary air pre-heater I and the primary air pre-heater II; air outlet isolation baffles are movably arranged on a fresh air outlet pipeline I and afresh air outlet pipeline II; mechanical fire grates are arranged at the bottom of the incineration boiler I, the bottom of the incineration boiler II and the bottom of the incineration boiler III; the top of the incineration boiler I, the top of the incineration boiler II and the top of the incineration boiler III are waste heat boilers; economizers are arranged at the tail ends of the waste heatboilers; and outlets of the economizers are connected with tail gas treatment devices. The system has the advantages of capability of improving the running reliability of a primary air system and increasing the economic benefit.
Owner:郑州东兴环保能源有限公司
Waste heat recovery energy-saving device adapted to boiler chimney and chimney including the device
ActiveCN103438472BImprove heat transfer efficiencyExtended service lifeCombustion technology mitigationStationary tubular conduit assembliesWaste heat recovery unitTemperature difference
The invention aims to provide a waste heat recovery energy-saving device applicable to a boiler chimney and a chimney comprising the same. The waste heat recovery energy-saving device applicable to the boiler chimney comprises an upper conducting ring and a lower conducting ring, wherein a heat exchange pipe is mounted between the upper conducting ring and the lower conducting ring; the upper conducting ring and the lower conducting ring both are in hollow structures, and are communicated with the heat exchange pipe; the upper conducting ring is fixed in an upper position inside the chimney through an upper connecting plate; the lower conducting ring is fixed under a lower position inside the chimney through a lower connecting plate; a water inlet and a water outlet are formed in the upper conducting ring, respectively. The chimney comprising the waste heat recovery energy-saving device applicable to the boiler chimney is characterized in that the section of the inner wall of the chimney is circular, the diameter of the inner wall of the chimney at the upper conducting ring is greater than the diameter of the inner wall of the chimney at other part, and the upper end portion of a guide rail is located at the upper conducting ring. The waste heat recovery energy-saving device applicable to a boiler chimney is capable of increasing the temperature difference during heat exchange; therefore, the temperature rise speed of water in the heat exchange pipe is increased.
Owner:HARBIN ENG UNIV
Anti-anchoring agent retraction piston, anchor rod and method
The invention discloses an anti-anchor agent retreat piston, an anchor rod and a method. The anti-anchor agent retreat piston includes a bolt, a spring buckle arranged on the bolt, two sealing washers and a nut, wherein the spring buckle is arranged on At the tail end of the bolt, a first nut is arranged between the two sealing washers, and a second nut is arranged at the head of the bolt. The piston of the present invention can prevent the anchoring agent from flowing back into the rod and avoid the reduction of the anchoring length; and the spring buckle is adopted to prevent the anchoring agent from flowing back into the rod body, with simple structure and stable and reliable effect; the double-layer seal can effectively seal high-pressure water and Keep the piston rod in the center to prevent the piston from being eccentric in the rod and affect the use; the barb of the spring buckle helps to break the anchoring agent during the stirring process of the anchoring agent and improve the stirring effect of the anchoring agent; the piston sealing structure adopts an isolated double Rubber flat washer, on the one hand, when the size of the inner hole of the anchor rod fluctuates, the piston and the inner hole of the rod can still cooperate well, without affecting the sealing.
Owner:CHINA RAILWAY LONGCHANG MATERIALS
An infusion reminder
An infusion reminder mainly comprises a reminder and an isolator, wherein the reminder is hung on an infusion bag for use. Through application of the isolator, when medicinal liquid in the infusion bag is used up, air pressure above the medicinal liquid can be increased through downward deformation of an airbag, so that on one hand, the speed of the medicinal liquid injected into a human body is lowered and a nurse has enough time to take away or change the infusion bag, and one the other hand, blood can be prevented from backflowing into a dropper. An infusion apparatus is disposable, but the reminder is required to be reused, and in order to avoid cross infection which is possibly caused by connection between the infusion apparatus and the reminder, the disposable isolator is arranged between the reminder and the infusion apparatus, so that the cross infection which is possibly caused by the connection between the infusion apparatus and the reminder can be effectively prevented.
Owner:常熟在路上创业孵化器有限公司
Water body maintenance machine for fishpond
PendingCN113907035AEasy to carryAvoid lostFatty/oily/floating substances removal devicesSpecific water treatment objectivesMicroorganismUnderwater
The invention belongs to the field of aquaculture, and relates to a water body maintenance machine for a fishpond. The water body maintenance machine comprises a shell, wherein a mixing cavity is formed in the upper left portion of the shell, a mixing device is arranged in the mixing cavity, a separation cavity is formed in the lower side of the shell, a separation device is arranged in the separation cavity, a suspension cavity is formed in the shell, a sinking and floating device is arranged in the suspension cavity, a floating cavity is formed in the right side of the shell, and a floating device is arranged in the floating cavity. According to the water body maintenance machine for the fishpond, the cleaning machine can sink and float by itself so as to work underwater and is convenient to carry, and people can track the cleaning machine working underwater during working, so that the cleaning machine cannot float upwards and sinks to the water bottom, elements such as phosphorus in water can be absorbed into excrement, harmful microorganisms in sewage can be eliminated, and the excrement can be efficiently collected and prevented from flowing back into the separation device.
Owner:伍北森
Infusion tube capable of preventing reverse flow of blood
InactiveCN107596487ASimple structureLow production costFiltering accessoriesPediatricsSyringe needle
Owner:凡俊
Melting copper tank for 6 micron copper foil production
ActiveCN110117812BPrevent backflowPrevent backflow from enteringCellsRotary stirring mixersMelting tankGear wheel
The invention discloses a copper melting tank for the production of 6-micron copper foil, which includes a liquid spray chamber, a stirring chamber and a liquid outlet valve connected in sequence, and also includes a driving mechanism, and the stirring and liquid outlet are actually carried out by the same motor At the same time, the resource allocation of the stirring shaft and the liquid outlet valve is realized through the clutch. The retaining ring in the liquid spray chamber blocks the liquid inlet pipe to prevent dust and other debris from entering the liquid spray chamber during the stop of work, and also prevents acid The liquid flows back into the sulfuric acid spray pipe, and the liquid outlet valve is controlled by the control arm, which simply and efficiently converts the lateral rotation of the gear plate used to transmit the motor into a valve reversal. Stirring, and switching of the stirring shaft and valve rotation through the cylinder, effectively improving the efficiency of copper dissolution.
Owner:GUANGDONG FINE YUAN SCI TECH CO LTD
Novel air-supply fermentation equipment
PendingCN111842438AImproved air supplyImprove fermentation efficiencyBio-organic fraction processingTransportation and packagingManufacturing engineeringGas supply
The invention discloses novel air-supply fermentation equipment. The novel air-supply fermentation equipment comprises a container, a stirring module, and an air supply module, wherein a fermentationspace is formed in the container and used for fermenting materials, a plurality of first air outlet parts are further arranged at the bottom in the container, and the first air outlet parts are used for supplying air into the airtight container at the bottom of the airtight container in a first direction; the stirring module comprises a main shaft, a plurality of stirring blades and a drive mechanism, the stirring blades are arranged on the main shaft, the drive mechanism is used for driving the main shaft to rotate, a second air outlet part is arranged on at least one stirring blade, and thesecond air outlet part is used for leaving from the bottom of the airtight container to carry out air outlet; and the air supply module is used for independently supplying air to the first air outletparts and the second air outlet part separately. Gas supply is carried out through the cooperation of the first air outlet parts at the bottom and the second air outlet part at the middle part, so that a fermentation optimization effect is realized, and the fermentation efficiency is increased.
Owner:青岛康普天成环境科技有限公司
Disc diaphragm aerator
InactiveCN106587400AUniform sizePlay a fixed roleTreatment using aerobic processesWater aerationEngineeringCheck valve
The invention relates to a disc diaphragm aerator. The disc diaphragm aerator comprises a spiral gland, a diaphragm and a base, wherein the diaphragm is arranged between the spiral gland and the base, a flow guide support plate is arranged between the diaphragm and the base, a check valve integrating a hole and a valve is arranged between the flow guide support plate and the base, a filter cover is arranged on the base, an inverted-saddle-shaped wedge plate is arranged below the base, multiple through holes are formed in the diaphragm, and through holes are formed in the edges of the periphery of the flow guide support plate; the base is composed of a bottom disc and a saddle-shaped support, holes are formed in the bottom disc and the saddle-shaped support respectively, the bottom disc is fixedly connected to the saddle-shaped support through a hollow bolt, an internal thread is arranged in the bottom disc and is matched with an external thread outside the spiral gland, and an external thread is arranged outside the bottom disc; an internal thread arranged on the inner wall of an opening in the lower end of the filter cover is matched with an external thread outside the bottom disc, and the filter cover is connected to the bottom disc through threads. The disc diaphragm aerator is not prone to blockage, large in effective aeration area, high in strength, long in service life and high in seal performance and effectively prevents backflow of a water body.
Owner:SUZHOU NIUDONG PRECISION MFG TECH CO LTD
Calling and drinking integrated device
InactiveCN105726180AWork lessEliminate frequent measurement workNon-surgical orthopedic devicesMedical staffEngineering
The invention relates to a calling and drinking integrated device. The calling and drinking integrated device comprises a Y-type pipe, a stem and branch end opening of the Y-type pipe is put into the mouth of a patient, a drinking branch at one side of the Y-type pipe is connected with a drinking device, a calling branch on the other side of the Y-type pipe is connected with a calling device, and a one-way valve is arranged on the calling branch and used for controlling the calling branch to be opened or closed. The calling and drinking integrated device further comprises a temperature detection device. The calling and drinking integrated device is reasonable in structure, by means of the two devices connected with the Y-type pipe, a patient with mobility difficulty can complete drinking water and calling medical workers by himself, work pressure of the medical workers in an ICU ward is relieved, temperature of the patient is monitored in real time through the temperature detection device, and the medical workers can monitor the body temperature of the patient conveniently.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
System for connecting supply lines
ActiveCN100526103CPrevent backflow from enteringTractor-trailer combinationsTowing devicesCoupling systemControl theory
A system for connecting supply lines between a tractive vehicle and a semi-trailer that can be coupled to the latter, a semi-trailer coupling and an automatic line coupling system comprising at least one connector jack being situated on the tractive vehicle and the semi-trailer having at least one supply circuit comprising a first supply console for connecting to the tractive vehicle and for receiving a plug-in element that is located on at least one supply line of the tractive vehicle and / or a plug that is configured to fit the connector jack. The aim of the invention is to provide a system for connecting supply lines for tractive vehicles, comprising an automatic line coupling system that permits the coupling of conventional semi-trailers. To achieve this, a second supply console is located on the tractive vehicle and is permanently connected to the connector jack of the line coupling system and the plug-in element can be selectively connected to the first or second supply console.
Owner:JOST WERKE GMBH
Medical mist outlet device used for ultrasonic atomizer
The invention discloses a medical mist outlet device used for an ultrasonic atomizer. The medical mist outlet device comprises a mist outlet tube and a mist outlet nozzle, the mist outlet tube comprises a non-return tube and a cooling tube, multiple anti-reverse flow pieces and a cone-frustum-shaped anti-reverse flow tube are arranged in the non-return tube, the anti-reverse flow pieces can be combined to form a round matched with the non-return tube in inner diameter, multiple rotating shafts are radically arranged inside a tube branch, and one side of each anti-reverse flow piece sleeves thecorresponding rotating shaft; the mist outlet nozzle comprises a base of a hollow structure, a first cannula, a second cannula and a holding-in-mouth tube, the base is connected with the cooling tube, the holding-in-mouth tube is in threaded connection into the second cannula, the second cannula is in threaded connection in the first cannula, the first cannula is in threaded connection in the base, a mist outlet is formed in the end, close to the base, of the first cannula, and a flowing-stopping piston is arranged in the first cannula. The medical mist outlet device has the advantages of preventing mist from reverse flow and controlling the flow of the mist in unit time.
Owner:成都环泰睿辰信息技术有限公司
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